Zig zag eent Bhatta

In both natural zig-zag eent Bhatta and induced draft zigzag kilns, the setting of green bricks is done in chambers. In natural draft kilns, depending upon the width of the trench, bricks can be stacked to achieve single, double, or triple zigzag patterns. In induced draft kilns, bricks are mostly stacked in a denser single zigzag pattern. In the Gali, bricks are set in a straight line,
as in an FCBTK kiln.

Brick setting in chambers in a zig-zag eent Bhatta

In a natural draft zigzag kiln, bricks are set in five lines in each chamber. A gap of five inches is maintained between adjacent lines for the flow of air. The width of a column of green bricks caries with the width of the trench and the production capacity of the kiln. For a trench width of 33 feet and a daily brick production of 44,000 bricks (and triple zigzag pattern),
two columns of four bricks, two columns of 10 bricks, and 12 columns of six bricks are recommended.
In induced draft brick kilns, the size of each chamber is around six feet. Bricks are set in six lines in each chamber; the length of each line is equal to the length of a brick. A three-inch gap is maintained between adjacent lines to help airflow. Green bricks are stacked in columns, the width of which depends on the width of the trench and production capacity.
For a trench width of 33 feet and a daily brick production of 55,000, two columns of four bricks, four columns of six bricks, and 10 columns of seven bricks are recommended.

Chimney

The chimney is the most important and costly section of a kiln structure. Hence, chimney
design is of prime concern for all kiln owners.
Natural draft
In natural draft brick kilns, the temperature difference between the air inside and outside the kiln creates a draft inside the kiln, which is crucial in the processes of thermodynamics and aerodynamics of the kiln. The production capacity of a kiln depends on the chimney height.
For a daily production of 44,000 bricks, a chimney height of 145 feet is recommended.
A square chimney is faster to construct, and therefore, we have described the construction of a 145-feet-high square chimney in this section.

zigzagbhatta.com

WICKET GATE OR DWARI ZIG ZAG KILN

Wicket gates are provided in the outer wall of the kiln for transportation of bricks in and out of the kiln. There is no consistent design methodology to define size, positioning, and a number of wicket gates (dwarfs) in zigzag kilns. The width of the wicket gates should be sufficient for loaded vehicles to move in and out of the kiln. Smaller and fewer wicker gates reduce heat loss from the kiln.
The following considerations must be taken into account while designing a wicker gate:
• Heat loss must be minimized
• It should be easy to transport green bricks into and fired bricks out of the kiln
• It should be easy and to transport green bricks into the dug efficiently using any mode
of transport, either human, animal, electric cars or trucks
We propose a total of six-wicket gates (three on either side) for an 11-feet-long outer wall. No
wicket gates have been proposed in the Gali area.

The common practice is to close wicket gates with a two-brick-thick (18 inches) wall with mud plaster. Heat loss and air leakage from such constructions are significant. Therefore,
some progressive kiln owners construct two 18 inch brick walls with a four-inch gap in the middle filled with ash, for better insulation. This is also our recommendation.

Zig Zag kiln Technology

In zig-zag kiln technology, green bricks are arranged in a way that forces hot air to travel in a zigzag path. The length of the zigzag air path is about three times that of a straight line air path and this improves the heat transfer from the flue gases to the bricks, making the entire operation more efficient.

FCBTKS VS ZIGZAG KILNS TECHNOLOGY

Obviously, shifting from FCBTK to zigzag kiln technology is an attractive option in terms of energy consumed and emissions reduced. But how do other costs and benefits pan out?
The total cost incurred in retrofitting an FCBTK into a zigzag kiln ranges from Rs 17.5–
38.5 lakh (and depends on the size and condition of the kiln). Table 1: Techno-economic of retrofitting an FCBTK into zigzag brick kilns presents an overview of the gains and costs to be made from the transition. It is clear that the costs incurred can be recovered within a
year.

In case of natural draft zigzag kilns, the same chimney can be used if the daily production is up to 30,000 bricks. However, since we are using a daily production of 44,000 bricks in our calculations, the chimney needs to be rebuilt. This translates into an additional cost of Rs
8–10 lakh and does not require any external source to create a draught, thereby not putting any extra burden on operational costs.
In the induced draft zigzag kiln, erratic power supply sometimes necessitates the use of an external power source to run the fan. This requires around 1.5 litres of diesel per hour. The
average daily cost of diesel comes to around Rs 2,160 (considering the diesel price of Rs 60
per litre). The operation and maintenance cost of the fan and the DG set is over and above this.
The savings on diesel and operation and maintenance cost per kiln during a single brick
the season would be around Rs 250,000, thus the cost incurred in making new chimneys will
be recovered in four seasons.

Timeline of conversion to a natural draft kiln

NATURAL DRAFT KILNS

For retrofitting an FCBTK and converting it into a natural draft kiln, the chimney needs to be rebuild
and for that, the older chimney needs to be dismantled. For dismantling the older chimney, the kiln
owners have two options

1-To carry out the dismantling in such
a way that they can extract the
maximum number of bricks from the
older chimney. This method is time-consuming and requires 10–15 days

2-To cut the chimney at the base and let
it falls like a tree. This saves time (takes
only about 3 days) but reduces the
number of bricks that can be recovered

After this, construction on the new chimney starts and takes around 30 days
For the safety of the workers, the rest of the work begins only once the chimney is completed
The entire process takes around 80–90 days, after which stacking and firing can commence
The rest of the process is similar to that of retrofitting an FCBTK and converting it into an induced
draft brick kiln; the only difference is that natural draft kilns do not need to be equipped with a fan

Zig zag kiln technology design

In a natural draft zigzag kiln technology, bricks are set in five lines in each chamber. A gap of five inches
is maintained between adjacent lines for the flow of air. The width of a column of green bricks
caries with the width of the trench and the production capacity of the kiln. For a trench
width of 33 feet and a daily brick production of 44,000 bricks (and triple zigzag pattern),
two columns of four bricks, two columns of 10 bricks, and 12 columns of six bricks are
recommended.
In induced draft brick kilns, the size of each chamber is around six feet. Bricks are set in six lines in each chamber; the length of each line is equal to the length of a brick. A three-inch gap is maintained between adjacent lines to help airflow. Green bricks are stacked in columns, the width of which depends on the width of the trench and production capacity.
For a trench width of 33 feet and a daily brick production of 55,000, two columns of four bricks, four columns of six bricks, and 10 columns of seven bricks is recommended.

Bricks kiln

A bricks kiln is a thermally protected chamber, a kind of broiler, that produces temperatures adequate to finish some procedure, for example, solidifying, drying, or substance changes. Ovens have been utilized for centuries to divert objects produced using mud into ceramics, tiles, and bricks. Different businesses utilize rotational ovens for—to calcinate metals, to calcinate limestone to lime for concrete, and to change numerous different materials.

Bricks kiln technology

the kiln is a basic piece of the assembling all things considered. Earthenware production requires high temperatures so synthetic and physical responses will happen to for all time change the unfired body. On account of stoneware, earth materials are molded, dried, and afterward terminated in a kiln. The last qualities are dictated by the synthesis and readiness of the mud body and the temperature at which it is terminated. After a first terminating, coatings might be utilized and the product is terminated a subsequent time to meld the coating into the body. A third terminating at a lower temperature might be required to fix overglaze design. Present-day furnaces frequently have refined electronic control frameworks, despite the fact that pyrometric gadgets are regularly additionally utilized.

Mud comprises of fine-grained particles that are generally feeble and permeable. Earth is joined with different minerals to make a serviceable dirt body. The terminating procedure incorporates sintering. This warms the dirt until the particles mostly soften and stream together, making a solid, single mass, made out of a polished stage sprinkled with pores and crystalline material. Through terminating, the pores are diminished in size, making the material psychologist marginally. This crystalline material prevalently comprises of silicon and aluminum oxides.

In the broadest terms, there are two sorts of furnaces: discontinuous and constant, both being a protected box with controlled internal temperature and climate.

A constant oven, now and then called a passage furnace, is long with just the focal segment straightforwardly warmed. From the cool passageway, the product is gradually traveled through the oven, and its temperature is expanded consistently as it moves toward the focal, most blazing piece of the furnace. As it proceeds through the oven, the temperature is decreased until the product leaves the furnace almost at room temperature. A persistent furnace is vitality effective, in light of the fact that warmth radiated during cooling is reused to pre-heat the approaching product. In certain plans, the product is left in one spot, while the warming zone moves across it. Ovens in this sort include:

Hoffmann kiln

Bull’s Trench kiln

Habla (Zig-Zag)kiln

Roller furnace: An extraordinary kind of oven, normal in flatware and tile make, is the roller-hearth oven, in which products set on bats are brought through the oven on rollers.

In the irregular furnace, the product is set inside the oven, the oven is shut, and the interior temperature is expanded by a timetable. After the terminating is finished, both the oven and the product are cooled. The product is evacuated, the oven is cleaned and the following cycle starts. Ovens in this sort include:[7]

Brace furnace

Skove oven

Scotch oven

Down-Draft oven

Transport Kilns: this is a vehicle base oven with an entryway on one or the two finishes. Burners are situated top and base on each side, making a tempestuous roundabout wind current. This sort of oven is commonly a multi-vehicle plan and is utilized for preparing whitewares, specialized pottery, and refractories in clusters. Contingent on the size of the product, transport ovens might be furnished with the vehicle moving gadgets to move terminated and unfired products all through the furnace. Transport ovens can be either updraft or downdraft. A Shuttle Kiln gets its name from the way that oven vehicles can enter a van furnace from either end of the bricks kiln, though a passage furnace has streamed in just a single course.

Furnace innovation is extremely old. Furnaces created from a straightforward earthen channel loaded up with pots and fuel pit terminating, to current techniques. One improvement was to assemble a terminating load around pots with astounds and a feeding gap. This moderated heat. A smokestack stack improved the wind stream or draw of the furnace, in this way consuming the fuel all the more totally.

Chinese furnace innovation has consistently been a key factor in the improvement of Chinese stoneware, and until ongoing hundreds of years was the most developed on the planet. The Chinese created ovens equipped for terminating at around 1,000 °C before 2000 BC. These were updraft ovens, regularly worked subterranean. Two primary sorts of the kiln were created by around 200 AD and stayed being used until present-day times. These are the mythical serpent oven of bumpy southern China, as a rule, fuelled by wood, long and dainty and running up an incline, and the horseshoe-molded mantou bricks kiln of the north Chinese fields, littler and progressively conservative. Both could dependably deliver the temperatures of up to 1300 °C or increasingly required for porcelain. In the late Ming, the egg-formed furnace or Zhenya was created at Jingdezhen and for the most part, utilized there. This was something of a trade-off between different sorts and offered areas in the terminating chamber with a scope of terminating conditions.[8]

Both Ancient Roman ceramics and medieval Chinese earthenware could be terminated in modern amounts, with countless pieces in a solitary firing.[9] Early instances of less complex furnaces found in Britain incorporate those that made rooftop tiles during the Roman occupation. These furnaces have developed the side of an incline, to such an extent that a fire could be lit at the base and the warmth would ascend into the kiln.

Zig Zag kiln

zig zag kiln (furnace) offers a 15-20% decrease in Specific Energy Consumption and up to 80% decrease in SPM discharges over FC-BTK.

A higher level of Class first blocks is delivered when contrasted with FC-BTK (80-85% Class first blocks when contrasted with 55-60% in FC-BTK).

There is a possibility for simple Convert of FC-BTK to common draft Zig-zoom furnace and Savings from diminished fuel utilization and expansion in income because of a higher level of Class I blocks.

The capital expense of retrofitting of existing FC-BTKs ranges from INR 10-25 lakhs and takes care of in 3 months-2 years.

The compensation time frame for the new development of the Zig-zoom oven is 2-3 years. Crisscross oven required gifted labor for its activity.

Be that as it may, a similar workforce working in FC-BTK can be effortlessly prepared for working Zig-cross furnaces.

four people are required for terminating at a 6-hour move. Characteristic Draft Zigzag terminating oven is a moving fire furnace wherein the fire moves in a shut rectangular circuit.

It has numerous similitudes with FCBTK innovation; the primary contrast being the crisscross wind stream way.

The blocks are stacked in such a way to manage the wind stream in a crisscross way.

Crisscross Bhatta stream expands the wind current way length and choppiness noticeable all around, in this manner bringing about improved burning and warmth move rate and uniform temperature over the oven cross-segment.

the long terminating zone and fuel taking care of training improve the ignition effectiveness of the oven.

The primary development in a normal draft crisscross furnace is that while the customarily crisscross terminating was finished with the help of fan draft, in this ki

ln, the crisscross Bhatta activity is accomplished through the smokestack draft.

The primary preferences of normal draft crisscross furnaces are decreased vitality utilization, diminished toxin emanations, and improved item quality

Advantage of zig-zag kiln

-zig zag kiln furnace and high draft Bhatta decreases 20-25% Specific Energy Consumption.

2-zig zag kiln furnace and high draft oven decrease up to 75% in SPM outflows over FC-BTK.

3-Increase the level of the class first blocks.

4-crisscross furnace and high draft oven produce 85-90%, top-notch blocks.

History of Zigzag kiln

The crisscross terminating idea was first utilized in the Buhrer Kiln, which was protected in 1868 by Jacob Buhrer of Switzerland. The Buhrer Kiln was like a Hoffmann Kiln in development. The fundamental advancement was the crisscross way of wind current. The crisscross way expanded the separation went via air in the furnace and made choppiness. A fan was utilized to initiate the fundamental draft for the wind stream.

The crisscross terminating idea was later utilized in Habla Kilns, which were broadly utilized in Germany between the first and second World Wars. They were likewise mainstream in Australia. In India, the Zigzag Kiln was first presented by the Central Building Research Institute (CBRI) during the mid-1970s, which was later imitated in Bangladesh and Nepal. These ovens were called Induced/High Draft Zigzag Kilns as they utilized a fan to make the draft for wind stream in the furnace.

In the previous 40 years, numerous adjustments have happened to the first plan and a few distinct varieties of High Draft Zigzag Kilns can be found in the field. As of late, some block producers have changed the block setting and rehearses and are effectively working the oven with the regular draft of the smokestack without utilizing a fan.

The main features of Zigzag kiln technology are as given below.

zig zag Bhatta block Kiln is of rectangular shape. The blocks are terminated in the space (called ‘channel’ or ‘burrowed’) between the rectangular focal piece of the oven and the rectangular external mass of the furnace.

The smokestack can be found either at the focal point of the oven or on any side of the furnace.

It is a nonstop moving-fire oven where the fire consumes consistently and moves in a shut rectangular circuit through the blocks stacked in the channel.

The draft required for the progression of air in the oven is made either by the smokestack or by a fan.

In Zigzag Kilns, the blocks are stacked in a way with the end goal that unmistakable chambers are framed in the block set In interchange chambers, the openings for the progression of air through the block sets are given so that it causes the crisscross progression of air in the oven.

Typically, strong fills, for example, coal, wood, sawdust, and horticulture deposits are utilized in Zigzag Kilns.

The size (impression) of the furnace is commonly 65–100 feet (20–30 m) in width and 200–250 feet (60–75 m) long.

Run of the mill creation limit: 20,000–50,000 blocks for every day.

the Capital venture required: Rs 30 lakh to Rs 50 lakh (barring the expense of land and working capital).

The territory of land required: 4–6 sections of land (15,000–25,000 square meters) barring the land required for the unearthing of earth.

Regular activity: the furnace works during the dry season as it were.

What is the average execution of Zig zag Bhatta innovation?

The exhibition of Zigzag Kiln innovation as far as vitality utilization, item quality, and toxin emanation is given beneath.

Explicit vitality utilization (SEC) of Zigzag oven innovation: 0.95–1.15 MJ/kg of terminated blocks.

As a rule, over 80% of the blocks delivered in a Zigzag furnace are of Class-1 quality. The remaining are either over-consumed, under-consumed, or breakages.

The emanation of the particulate issue (PM) in the vent gases is in the scope of 30 to 250 mg/Nm3 or about 0.23 g/kg of terminated blocks.

Zig Zag kiln technology

in which innovation we need a dirt blender machine, high draft fan, and coal blender machine.

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It can control gearbox moreover. 8 MM AND 4 mm plate utilized for its spread and an unrivaled creation

This machine is support free, presumably uncommon opportunity to breakdown the main screw can be supplanted after around two seasons

Twofold haggle truck tire can be utilized in this and for the most part, the utilized tire is fit to run this

Weight of this machine around 2200 kg

Furthermore, the tire set relies upon the client pick since tire cost excluded from this.

ZIG ZAG BRICK KILN

In a zig-zag brick Kiln, air flows in a zigzag path. Zigzag Kilns are an improvement over Fixed Chimney Bull’s Trench Kilns (FCBTK), in which air flows in a straight-line path. The zigzag airflow considerably improves the combustion of fuel and heat transfer in a Zigzag Kiln, because of which its performance is better than an FCBTK.


what is zig-zag brick kiln technology

In which technology airflow in a zig-zag way. zig zag bricks kiln technology is an improvement over the fixed.

History of Zig zag Brick Kiln

The zigzag firing concept was first used in the Buhrer Kiln, which was patented in 1868 by Jacob Buhrer of Switzerland. The Buhrer Kiln was similar to a Hoffmann Kiln in construction. The main innovation was the zigzag path of airflow. The zigzag path increased the distance traveled by air in the kiln and created turbulence. A fan was used to induce the necessary draught for the airflow.

The zigzag firing concept was later used in Habla Kilns, which were widely used in Germany between the first and second World Wars. They were also popular in Australia. In India, the Zigzag Kiln was first introduced by the Central Building Research Institute (CBRI) during the early 1970s, which was later replicated in Bangladesh and Nepal. These kilns were called Induced/High Draught Zigzag Kilns as they used a fan to create draught for airflow in the kiln.

In the past 40 years, many modifications have happened to the original design and several different variations of High Draught Zigzag Kilns can be found in the field. In recent years, some brick makers have modified the brick setting and practices and are successfully operating the kiln with the natural draught of the chimney without using a fan.


What are the main characteristics/features of Zigzag Kiln technology?

The main characteristics/ features of Zigzag Kiln technology are as given below.

  1. Zig-zag brick Kiln is of rectangular shape. The bricks are fired in the space (called ‘trench’ or ‘dug’) between the rectangular central part of the kiln and the rectangular outer wall of the kiln.
  2. The chimney can be located either at the centre of the kiln or on any side of the kiln.
  3. It is a continuous moving-fire kiln in which the fire burns continuously and moves in a closed rectangular circuit through the bricks stacked in the trench.
  4. The draught required for the flow of air in the kiln is created either by the chimney or by a fan.
  5. In Zigzag Kilns, the bricks are stacked in a manner such that distinct chambers are formed in the brick setting. In alternate chambers, the openings for the flow of air through the brick sets are provided in such a way that it causes the zigzag flow of air in the kiln.
  6. Usually, solid fuels such as coal, wood, sawdust, and agriculture residues are used in Zigzag Kilns.
  7. The size (footprint) of the kiln is generally 65–100 feet (20–30 m) in width and 200–250 feet (60–75 m) in length.
  8. Typical production capacity: 20,000–50,000 bricks per day.
  9. Capital investment required: Rs 30 lakh to Rs 50 lakh (excluding the cost of land and working capital).
  10. Area of land required: 4–6 acres (15,000–25,000 square metres) excluding the land required for excavation of clay.
  11. Seasonal operation: the kiln operates during the dry season only.

What are various types of the zigzag brick setting being practised in Zigzag Kilns?

Single zigzag brick setting (one zigzag air flow stream)

Double zigzag brick setting (two parallel zigzag airflow streams)

Triple zigzag brick setting (three parallel zigzag airflow streams)

In Zigzag Kilns, air flows in a zigzag path. There can be one, two, or three parallel zigzag airflow streams in a kiln. Accordingly, the airflow and the brick sets are called single, double, or triple zigzag airflow and single, double, or triple zigzag brick setting, respectively.

Depending upon the trench width and the draught available in the kiln, single, double, or triple zigzag brick setting is practised in the kiln. For the same trench width, the draught required for airflow in a single zigzag brick setting is higher than that required in the double and triple zigzag brick setting. Also, the draught requirement increases with increase in trench width. Nowadays, in some of the bigger kilns, the quadruple zigzag brick setting is also practised in which there are four parallel zigzag airflow streams.

What are the types of Zigzag kilns?

Zigzag kilns are of two types.

  1. Natural Draught Zigzag Kiln (NDZK), in which the draught required for airflow in the kiln is created by the chimney.
  2. Induced or High Draught Zigzag Kiln (IDZK), in which a fan is used to create the draught for airflow in the kiln.

What are the differences between Natural Draught Zigzag Kilns and Induced Draught Zigzag Kilns?

Natural Draught Zigzag KilnInduced Draught Zigzag Kiln
Draught for airflow
Chimney creates the draught required for the airflow.The fan creates the draught required for the airflow.
Role of chimney
To create necessary draught as well as to expel the flue gases at a certain height as required under environmental rules.Mainly to expel the flue gases at a certain height as required under environmental rules.
Chimney height
Taller chimney (130–150 feet high); the height of the chimney is usually determined by draught requirement.Height of the chimney is relatively lower (80–90 feet); height is usually determined by environment rules.
Kiln draught
Kiln operates at lower draught (6–8 mm water column).Kiln operates at higher draught (30–50 mm water column).
Zigzag setting
Usually, double or triple zigzag brick settings are practised.Usually, a single zigzag brick setting is practised.
Setting density
Relatively loose brick setting (no. of bricks per unit volume is lower).Relatively denser brick setting (no. of bricks per unit volume is higher).
Electricity/diesel requirement
Not required in the operation of the kiln.       Required in the operation of the kiln (to power fan).

What is the typical performance of Zig zag brick Kiln technology?

The performance of Zigzag Kiln technology in terms of energy consumption, product quality, and pollutant emission is given below.

  1. Specific energy consumption (SEC) of Zigzag kiln technology: 0.95–1.15 MJ/kg of fired bricks.
  2. Usually, over 80% of the bricks produced in a Zigzag kiln are of Class-1 quality. The remaining are either over-burnt, under-burnt or breakages.
  3. The emission of particulate matter (PM) in the flue gases is in the range of 30 to 250 mg/Nm3 or about 0.23 g/kg of fired bricks.

What are the main advantages of Zig zag brick Kiln technology?

Zigzag Kilns have several advantages over the traditional FCBTKs:

  1. About 20%–25% savings in fuel consumption.
  2. Better product quality – over 90% of bricks are of Class-1 quality.
  3. Substantial reduction in carbon dioxide (CO2) and PM emissions.

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Zig Zag Bhatta Price

zig zag Bhatta price depends on your city. In India, the price of the material is different for each city.
If you want to make zig-zag kiln then the below material will be required.

zig zag Bhatta price depends on your location.

zig-zag Bhatta price in India


It will cost Rs 30 lakhs to make Zig Zig Bhatta. As per the Government of India rule, you will always have to convert the allowance into Zig Zig Allowance.

zig zag Bhatta (kiln) offers a 15-20% reduction in Specific Energy Consumption and up to 80% reduction in SPM emissions over FC-BTK.

A higher percentage of Class first bricks are produced as compared to FC-BTK (80-85% Class first bricks as compared to 55-60% in FC-BTK).

There is an option for easy Convert of FC-BTK to natural draught Zig-zag kiln and Savings from reduced fuel consumption and an increase in revenue due to a higher percentage of Class I bricks.

The capital cost of retrofitting of existing FC-BTKs ranges from INR 10-25 lakhs and pays back in 3 months-2 years. 

The payback period for the new construction of Zig-zag kiln is 2-3 years. Zig-zag kiln required skilled manpower for its operation.

However, the same workforce working in FC-BTK can be easily trained for operating Zig-zag kilns.

four persons are required for firing at a 6 -hour shift. Natural Draught Zigzag firing kiln is a moving fire kiln in which the fire moves in a closed rectangular circuit.

It has many similarities with FCBTK technology; the main difference being the zigzag airflow path.

The bricks are stacked in such a manner to guide the airflow in a zigzag path.

Zig zag Bhatta flow increases the airflow path length and turbulence in the air, thereby resulting in improved combustion & heat transfer rate and uniform temperature across the kiln cross-section.

 the long firing zone and fuel feeding practice improve the combustion efficiency of the kiln.

The main innovation in natural draught zigzag kiln is that while the traditionally zigzag firing was done with the assistance of fan draught, in this ki

ln, the zig-zag Bhatta operation is achieved through the chimney draught.

The main advantages of natural draft zigzag kilns are reduced energy consumption, reduced pollutant emissions, and improved product quality


Now two technologies are being used in India

1-zig zag kiln technology

1-high draught kiln technology


Zig Zag Bhatta Company is the only company that makes Zig Zig Bhatta and High Draft Bhatta.


We are making allowances for the last 30 years in India. Every year 30 to 40 allowances are being made all over India


The Indian government has now banned the furnace. Now you have to change the allowance to zig-zag or high draft allowance.

2-high draft technology in India

High Draught Kiln technologies that are more energy-efficient and cause lesser pollution.One such technology named fixed chimney Zig – Zag kiln. The Zig-Zag kiln or the High Draught kiln is similar to firing technologies with essential variations in brick setting patterns where the kiln basic structure remains the same. The principle followed in this family of high draught kiln types is to prolong the travel path of the fire. This high thermal efficiency of the kiln reduces fuel consumption by 25%. The earliest type of this technology was termed as Zig-Zag kiln and high draught kiln developed in the early 1900s. Various reforms were also built which were relatively inexpensive variants adopted by small brick manufacturers. The design of this type of kiln ensures continuous operation of the kiln. zig zag bhatta price
One of the more developed variants was The Habla Kiln. It was essentially an arch less zig-zag kiln patented in 1920 by British Engineer A. Habla. This had very wide and continuous open firing channels. Unlike zig-zag variants, there were no permanently built dividing walls. Thus, the energy savings were higher. However, the most important aspect of this kiln was that bricks could be loaded into the firing spaces through vehicular movement.
In Asian countries of India, Nepal, Bangladesh, and Pakistan the High Draught or HD Kiln is the most popular technology of Zig-Zag firing. Their difference with European variation is the absence of any dividing walls. In the European variety of HD kilns, the length of the kiln gallery is increased by zigzagging the chambers and the fire follows a zig-zag path instead of a straight path followed in BTK. In the early 1900s, these types of kilns were widely used in developed countries particularly in Germany and Australia. In Europe, the interior cross-section of the kiln used to be small in original zig-zag kilns (7.5 ft wide x 7.5 ft high) and the kiln used to have 16-20 chambers each 20-25 ft long. Fan draught was provided and the kiln operated on high draught at a very fast rate of fire travel (50-100 ft per day).
The High Draught or HD Kiln in India also follows the Zig-Zag firing concept. The Indian variation has several similarities with the Habla kiln. The kiln consists of a rectangular gallery which is divided into 24 chambers by providing temporary partition walls with green bricks. The wall of each chamber runs along the width of the gallery except one end, wherein a space of 60 to 65 cm is left for communication to the next chamber. Draught is created by an induced draught fan with a 20-35 HP motor for proper combustion of fuel. Depending on the design capacity of a kiln, a chamber can hold 7,500 to 15,000 bricks. Normally, two chambers are fired per day and an output of 15,000 to 30,000 bricks per day can be obtained. When brought to full firing, the kiln operates on a draught of 50 mm Hg.
High Draught kiln is a series of batch process kilns. Hoffmann kilns are the most common kiln used in the production of bricks and some other ceramic products. Patented by German Friedrich Hoffmann for brick making in 1860, it was later used for lime-burning and was known as the Hoffmann continuous kiln. The first Hoffmann kilns were in the form of a great circular ring chamber, with massive walls and a large chimney at the center, to which underground radial flues converged from the inside walls of each of the twelve chambers. The barrel-arched chambers (like a railway tunnel) have several small feed holes in the roof arches through which fine coal could be fed into spaces made among the bricks to be fired.
The Hoffmann kiln is a series of batch process kilns. Hoffmann kilns are the most common kiln used in the production of bricks and some other ceramic products. Patented by German Friedrich Hoffmann for brick making in 1858, it was later used for lime-burning and was known as the Hoffmann continuous kiln.
The first high draught kiln was in the form of a great circular ring chamber, with massive walls and a large chimney at the center, to which underground radial flues converged from the inside walls of each of the twelve chambers. The barrel-arched chambers (like a railway tunnel) have several small feed holes in the roof arches through which fine coal could be fed into spaces made among the bricks to be fired.
Around the outer wall of the kiln were the twelve openings for loading and unloading the individual firing chambers. These chambers were separated from each other by very large metal dampers that could be raised and lowered as the fire moved around the kiln from chamber to chamber.
Once the kiln is lit it is allowed to go out, and the sequence of operation is continuous. At regular intervals, the firing zone is moved forward and the corresponding changes made to the dampers between the chambers and into the chimney.
The chambers were loaded and unloaded move forward in the sequence, and this way heat is extracted from the cooling bricks and also from the hot combustion gases. As the fire passes round the kiln, the chambers in front of the actual firing zone are gradually warmed and the chambers behind cool off slowly.

Pak mail mixing machine

Pak mail mixing machine

we are supplying Pak mail mixing machine all over India.

Salient Features of Clay Mixing Machine:-

Boosting our revenue growth and future expansion, we are engaged as a manufacturer and exporter of Clay Mixing Machine in Sambhal Uttar Pradesh, India. A single and double screw clay mixing machine with the capacity of i.e. 60000 and 40000 bricks daily. Driven by tractor and JCB also required.

Brick TypeClay Bricks
MaterialMild Steel
Tractor RequiredReverse PTO Operated
Suitable HP Range45-50 Hp
Number of Tyres2

Product Description

Being a popular entity, we are providing an inclusive series of Simple Bricks Clay Mixing Machine. Our range is extensively employed by our customers owing to high strength and longer life service.

Product image

Pak mail mixing machine

Bricks Clay Mixing Machine

we are supplying the clay mixing machine all over india.we are manufacture clay mixer machine zig-zag kiln id fan and high draught kiln id fan -, coal mixture machine.

Rs 3.2 Lakh/Unit Get Latest Price

Model/Typesingle screw & double screw
Capacity50000-60000
Materialclay
Design TypeCustomized
ConditionNew
I Deal InNew 

Product Description Pak mail mixing machine

We are a supplier of Clay Mixing Machine Tractor Driven, Hydra Blower and Coal Crusher. The clay mixing machine is with the dual capacity 40000 bricks and 60000 bricks, the bricks kiln owner must be held JCB machine.
It can control gearbox also. 8 MM AND 4 mm plate used for its cover and a very superior production
This machine is a maintenance-free, probably rare chance to breakdown the only screw can be replaced after about two seasons
Double wheel and four truck tyre can be used in this and mostly used tyre is capable to run this
Weight of this machine about 2200 kg
And tyre set depend on the customer choose because tyre cost not included in this.

ZIG ZAG KILN ID FAN

Zig zag kiln id fan Backed by years of industry experience, we are engaged in offering a premium quality range Kiln ID Fans.

id fan used to reduce air pollutions and also increase the quality of bricks.

Product Specification

MaterialMild Steel
Surface FinishColor Coated
Outer Diameter6 feet
Motor Power Required15 hp
Power SourceElectric Motor, Diesel Engine
Minimum Order Quantity1 Piece

Zig zag Id Fan

We offering zig-zag kiln id fans Heavy Duty fans for high draft Bhatta in ss, FRB Coated big fans, High Draft Bhatta ID Fans, Brick Kiln high draft Fans from India.

Heavy Duty fan for Zig zag kiln id fans in ss

Rs 1.5 Lakhs / PieceGet Latest Price

Minimum Order Quantity: 1 Piece

TypeBrick kiln induced draft fan
Fan Speed180
MaterialStainless steel
Power15
Material Grade304 SS
Impeller Size6 fit
Outer Diameter6 feet
Power SourceElectric Motor, Diesel Engine

Advantage of zig-zag kiln id fans

1-zig zag id fan used to pass the air

2-zig zag id fans used to reduce air pollutions.

3-zig zag kiln id fans increase the quality of the first-class bricks.

4- zig zag Kiln technologies that are more energy-efficient and cause lesser pollution.One such technology named fixed chimney Zig – Zag kiln. The Zig-Zag kiln or the High Draught kiln is similar to firing technologies with essential variations in brick setting patterns where the kiln basic structure remains the same. The principle followed in this family of high draught kiln types is to prolong the travel path of the fire. This high thermal efficiency of the kiln reduces fuel consumption by 25%.

The earliest type of this technology was termed as Zig-Zag kiln and high draught kiln developed in the early 1900s.

Various reforms were also built which were relatively inexpensive variants adopted by small brick manufacturers. The design of this type of kiln ensures continuous operation of the kiln.

Bricks Clay Mixing Machine

we are supplying bricks clay mixing machine all over India.

Salient Features of Clay Mixing Machine:-

Boosting our revenue growth and future expansion, we are engaged as manufacturer and exporter of Clay Mixing Machine in Sambhal Uttar Pradesh, India. A single and double screw clay mixing machine with the capacity of i.e. 60000 and 40000 bricks daily. Driven by tractor and JCB also required.

Brick TypeClay Bricks
MaterialMild Steel
Tractor RequiredReverse PTO Operated
Suitable HP Range45-50 Hp
Number of Tyres2

Product Description

Being a popular entity, we are providing an inclusive series of Simple Bricks Clay Mixing Machine. Our range is extensively employed by our customers owing to high strength and longer life service.

Product image

bricks clay mixing machine

Bricks Clay Mixing Machine

we are supplying the clay mixing machine all over india.we are manufacture clay mixer machine zig-zag kiln id fan and high draught kiln id fan- coal mixture machine.

Rs 3.2 Lakh/Unit Get Latest Price

Model/Typesingle screw & double screw
Capacity50000-60000
Materialclay
Design TypeCustomized
ConditionNew
I Deal InNew 

Product Description bricks clay mixing machine

We are a supplier of Clay Mixing Machine Tractor Driven, Hydra Blower and Coal Crusher. The clay mixing machine is with the dual capacity 40000 bricks and 60000 bricks, the bricks kiln owner must be held JCB machine.
It can control gearbox also. 8 MM AND 4 mm plate used for its cover and a very superior production
This machine is a maintenance-free, probably rare chance to breakdown the only screw can be replaced after about two seasons
Double wheel and four truck tyre can be used in this and mostly used tyre is capable to run this
Weight of this machine about 2200 kg
And tyre set depend on the customer choose because tyre cost not included in this.

clay mixing machine

we are supplying clay mixing machine, coal mixer machine and all equipment of zig-zag Bhatta & high draught Bhatta. Pak mail mixer machine used to mix clay for making bricks.

We are a supplier of Pak mail mixer machine and Coal Crusher. The clay mixing machine is with the dual capacity 50000 bricks and 60000 bricks, the bricks kiln owner must be held JCB machine.
It can control gearbox also. 8 MM AND 4 mm plate used for its cover and very superior production.
This machine is a maintenance-free, probably rare chance to breakdown the only screw can be replaced after about two ya three seasons.


Double wheel and four truck tyre can be used in this and mostly used tyre is capable to run this Weight of this machine about 2200kg.
And tyre set depend on the customer choose because tyre cost not included in this.

Pak mail mixer machiner is used to mixing clay for making bricks. zig zag Bhatta technology and high draught Bhatta are used to making the best quality bricks. Natural zig-zag Bhatta is a new technology for making good quality.

High Draft Kiln ID Fans

high draft id fans Backed by years of industry experience, we are engaged in offering a premium quality range of High Draft Kiln ID Fans.

high draft id used to reduce air pollutions and also increase the quality of bricks.

Product Specification

MaterialMild Steel
Surface FinishColor Coated
Outer Diameter6 feet
Motor Power Required15 hp
Power SourceElectric Motor, Diesel Engine
Minimum Order Quantity1 Piece

High Draft Id Fans

We offer High draft Bhatta fans, Heavy Duty fan for high draft Bhatta in ss, FRB Coated big fan, High Draft Bhatta ID Fan, Zig-Zag Kiln ID Fan, and Brick Kiln high draft Fan from India.

source:-high draft id fans

Heavy Duty fan for high draft Bhatta in ss

Rs 1.7 Lakhs / PieceGet Latest Price

Minimum Order Quantity: 1 Piece

TypeBrick kiln induced draft fan
Fan Speed180
MaterialStainless steel
Power15
Material Grade304 SS
Impeller Size6 fit
Outer Diameter6 feet
Power SourceElectric Motor, Diesel Engine

Advantage of high draft kiln id fan

1-high draft id fan used to pass the air

2-high draft id fans used to reduce air pollutions.

3-high draft kiln id fan increases the quality of the first-class bricks.

4- High Draught Kiln technologies that are more energy-efficient and cause lesser pollution.One such technology named fixed chimney Zig – Zag kiln. The Zig-Zag kiln or the High Draught kiln is similar to firing technologies with essential variations in brick setting patterns where the kiln basic structure remains the same. The principle followed in this family of high draught kiln types is to prolong the travel path of the fire. This high thermal efficiency of the kiln reduces fuel consumption by 25%.

The earliest type of this technology was termed as Zig-Zag kiln and high draught kiln developed in the early 1900s.

Various reforms were also built which were relatively inexpensive variants adopted by small brick manufacturers. The design of this type of kiln ensures continuous operation of the kiln.