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Tunnel kiln

Modern technology Tunnel kiln (Clay brick making production line) 

A tunnel kiln is a type of continuous kiln that is typically open on both ends and heated centrally. 

Bricks, carried by the kiln cart, pass through the kiln in an uninterrupted fashion, allowing large

volumes to be processed without shutting off the kiln between batches. 

Although tunnel kilns are generally more expensive to build than Hoffman kilns they are more economical to run and lend themselves to high degrees of automatic control. It is essential that tunnel kilns are run on, a continuous basis for ideally several years at a time between shutdowns.

 Production capacity of Tunnel kiln

The production capacity is determined by the width of tunnel kiln.

Tunnel kiln

Auunal capacity   

Equipment of kiln

Production days in a

 year 

2.5meters width)

15~20 million pcs 

kiln cart, hydraulic ferry

pusher, blower, 

loading machine, etc

330 days

3.3meters width)

20~25 million pcs 

330 days

3.4 meters width

20~28 million pcs 

 330 days

4 meters width

25~30 million pcs 

330 days

4.6 meters width

25~38 million pcs  

330 days

6.9 meters width

35~40 million pcs  

330 days

The features of tunnel kiln as following

1. Operating temperature up to 1000 to 1280. Fast firing and according to various types and shapes 

    of work pieces. 

2. Fully automatic temperature control provides economic fuel consumption. 

3. The tunnel kiln is equipped with high efficiency burner and fuels can be fired completely without 

    any air pollution. 

4. The quality of firing products is very stable thus reducing unacceptable finished products.

Fuels can be used for tunnel kiln: Gas, oil, coal, etc. For firing every 1 kg of finished product, the engergy cost is about 350 kcal.

Overview of brick factory with tunnel kiln.


Tunnel kiln is the most popular kiln to adopt for building clay brick factory. Our company provides the engineering, 

procurement and construction of tunnel kiln of different capacities with modern technology.

 Inquire now and get a live quotation!

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