**What´s the Hoffman kiln and what´s its use?**
The Hoffmann kiln is a series of batch process kilns. Hoffmann kilns are the most common kiln used in production of bricks and some other ceramic products. It´s used for baking dried bricks.
**The structure and working principle of Hoffman kiln**
A Hoffmann kiln consists of a main fire passage surrounded on each side by several small rooms. Each room contains a pallet of bricks. In the main fire passage there is a fire wagon, that holds a fire that burns continuously. Each room is fired for a specific time, until the bricks are vitrified properly, and thereafter the fire wagon is rolled to the next room to be fired.
**Important technical parameters about HOFFMAN KILN**
The fuel for firingCoal ,gas ,oil etc.
Yield of perfect bricks>90%
Firing temperaturearound 1,000° Celsius (1830°F)
Working timeit burns 24 hours a day, 7 days a week, 365 days a year
Wooden-packing for spare parts of brick making production line, such as aguers, mixing paddles, air compressor is easy damage, it necessary packed in wooden box. Normally, we ship the goods by MAERSK,MSC,CMA-CGM etc. the big shipping company guarantee goods in safety.
**Our services**
Before sale: Give some advices to customer on how to build a new-brand brick plant and choose the best and economic plant according to the local situation for recovering the investment within a short time; We are also responsible for the offer, flow chart, and detailed information of each machine.
In sale: We will send the technicians to coach brick making machines installation and debug machines. We also train the local operators till they can fully control them.
After sale: Regularly visit customers, solve all the problems with the machine and take advice from customers.
**Company Introduction**
We, Xi'an Brictec Engineering Co. Ltd., not only majors in sale of brick making machines, but also concentrates on the overseas and domestic fired brick designing, kiln designing, factory building designing and turn-key project. Our company provide solutions to brick & tile making industry by a group of professionals who have more than 25 years experience in the brick and tile making process industry. There are 6 professor-level engineers and 10 with an high title.
We cooperates with brick machinery factories to supply customers with the most suitable machines. Until now ,we have accomplished over 50 brick projects of engineering, trading, technical supporting in Asia, Africa, South American countries. We also have successfully constructed over 20 production lines in China.
**FAQ**
1.Q: How many kinds of brick making machinery?
A: In a brick making production line, there are usually 4 processes:
Raw materials preparation, includes: box feeder, primary rolling crusher, fine pulverizing rolling crusher and etc.
Molding process, includes: extruder, brick cutter and etc.
Drying process, includes: drying cars, operation equipment.
Firing process, includes: kiln cars, operation equipment, fans and etc.
2. Q: Raw materials for making bricks?
A: Clay, shale, coal gangue, construction waste, city waste, fly ash and etc.
3. Q: What do I need to prepare before building a brick factory?
A: Land investigation, investment budget, water and electricity, government licenses, find a qualified supplier, make contract, initial design and etc. There can be a lot to prepare, but with the help of BRICTEC, you can get clear guidance and one-stop service the whole time.
4. Q: Does your company undertake turn-key projects?
A: Yes, we have turn-key projects in many countries, such as Russia, Kazakhstan, India, Iran, Bangladesh and so on
Hoffman kiln
(chambers) |
capacity |
Equipment of kiln |
Production days in a year |
18-24 |
15~20 million pcs annual |
auto green brick cart, tractor, three wheel cart, auto brick cart, etc |
330 days |
26-32 |
20~25 million pcs annual |
auto green brick cart, tractor, three wheel cart, auto brick cart, etc |
330 days |
32-42 |
25~35 million pcs annual |
auto green brick cart, tractor, three wheel cart, auto brick cart, etc |
330 days |
48-56 |
35~40 million pcs annual |
auto green brick cart, tractor, three wheel cart, auto brick cart, etc |
330 days |
56-60 |
40~50million pcs annual |
auto green brick cart, tractor, three wheel cart, auto brick cart, etc |
330 days |
72-80 |
70~80 million pcs annual |
auto green brick cart, tractor, three wheel cart, auto brick cart, etc |
330 days |
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