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Help CenterEasy Operation !! Automatic Clay Brick Firing Tunnel Kiln
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Brick Tunnel Kiln Project - we provide professional technical design and help you to set up project
The Production Line is with Yearly Output of 30 Million Bangladesh Clay Sintering Bricks.
Major Technological Parameters for Tunnel Kiln
Kiln |
144.35 meters |
Cart numbers contained |
3 pcs ( valid 32pcs) |
Inner width |
4.6 meters |
Setting height |
1.688m (12 layers, firing shrinkage about 5%, clearance between top about 87.8mm) |
Kiln cart loading capacity |
6336 bricks/cart |
Setting density |
187.6 bricks/cbm |
Firing temperature |
950°C~1000°C |
Firing cycle |
50.85 hours |
Firing yield |
95% |
Thermal consumption index |
1300-1500KJ/Kg products |
Annual output |
30million bricks |
Tunnel kiln Inner specification |
144.35×4.6×2.367 meters |
Tunnel kiln outer specification |
144.35×6.4×3.467 meters |
Tunnel kiln system and structure
The tunnel kiln has complete system of smoke discharging, cooling, waste heat releasing, pressure balancing under the kiln car, running and detecting system. Baking curve inside of the kiln will be more reasonable, production system more coordination through the adjustment of those system.
At the entrance side, there is a preparatory room, and a cut-off door between the preparatory room and the kiln pre-heating zone. There are entrance and exit doors at both ends of the tunnel kiln. Thus it effectively avoid entering the cold air and ensure the baking system inside not be influenced by outside.
Foundation: Tunnel kiln is with strip foundation. From bottom to up by order is lime soil, rubble, reinforced concrete girder (railway girder)/ board (under kiln wall).
Wall : Red brick is laid for the pre-heating zone and cooling zone where the temperature is below 200°C. The rest is adopt combined wall. The fireclay bricks will be laid on the baking zone and inner wall of insulting zone. The clay insulting bricks will be used for laying the insulting area. Meanwhile, refractory fabric felt (for the relative part of temperature curve above 600 Celsius) or rock wool felt will be used for stuffing and red bricks will be laid on the external wall.
Kiln roof structure: One kiln car space remained in low temperature zone on both sides, which adopt cast-in concrete top slab. For other position, clay material plate, hanger plate through davit hang under H type steel beam by cast product. Both sides firebrick wall support the main beam’s weight. Refractory fibrofelt, rock wool felt, rock wool board are put on the refractory hander plate, which compose complex insulation layer. High temperature binder is being filled up to the gap between the boards, and is being painted on the upside of the insulating layer, thus to ensure the material’s insulativity and structure’s durability.
Coal casting hole: It is with function such as following, replenish heat, debugging, observation, replenish oxygen or cooling under negative pressure, releasing heat under positive pressure etc. This is widely used for tunnel kiln process with inner fuel technology, which can not be cut down or cancelled.
Sand seal: Sand seal slot is being put in the kiln cart skirt board, which insulate the high temperature from outside, thus to avoid cold air sucked into kiln under negative pressure which will lower the kiln temperature, and to avoid high temperature gas go to kiln cart underside under positive pressure which will destroy the kiln cart steel structure or deform the railway.
Productive Technology
Sintering bricks are produced by using clays as raw materials and adopting two-time setting and baking processes, that is Semi-stiff Plastic Extruding Process; Drying in the Tunnel Drying Chamber Process and Baking in the Tunnel Kiln Process.
Main equipment has box feeder, primary roller crusher, fine pulverizing grinder, double shaft mixer, reversible belt conveyor, multi-buckets excavator, mixing and extruder, double stage vacuum extruding machine, tunnel dryer, tunnel kiln.
Our Running brick production video link
JZ300 Non-vacuum clay brick producing line:
http://youtu.be/sjg7GsfcYfk
JKR30 Vacuum clay brick production line with brick separator:
http://youtu.be/TBgEnsWOGyM
JKRL35 Vacuum brick production line with unloader and brick loading cars:
http://youtu.be/IQtzh_pjcxA
JKR40 Vacuum Clay block making machine:
http://youtu.be/jZmoW49xtF8 http://youtu.be/qOCe79N43ns
JKRL45 Vacuum Clay brick production line with auto brick loading cars:
http://youtu.be/3DCR2rR_wYA
JZK50 Vacuum Clay brick producing line with dryer and hoffman kiln:
http://youtu.be/h-m4Vnq8v3c
JKY60 Auto brick production line with tunnel kiln and dryer:
http://youtu.be/8R_XzKkDySU
Contact us:
China Mobile Number ( Whatsapp, Wechat ,Viber): 0086 18638712391
or 008615039963315
Email: kai(at) skype: fanchen588
Web:
How to visit us or check clay brick making machine quality
If you want to visit our Chinese factory, please note our city name, Zhengzhou city.
Our air port name is : Zhengzhou Xinzheng International air port.
Train station name is: Zhengzhou (Zhengzhou north) train station
You can also visit our brick plant in your local places
Send Inquiry to This Supplier
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