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Zhengzhou Boiler Co., Ltd.
Zhengzhou Boiler Co., Ltd.  

Gold Index: 23104

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membrane wall 

Payment Terms: T/T,L/C 
Place of Origin: Henan, China (Mainland) 
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Product Detail

Means of Transport: Ocean
Packing: standard export package
Fuel: Coal-fired
Usage: Industrial
Pressure: Low Pressure
Production Capacity: 100 Set/Sets per Year
Delivery Date: 3 months
Output: Steam/Hot Water
Structure: Water/fire Tube

Double Wings Gas Ducts structure. Boiler uses Membrane Water-cooling Wall wich has the features of small occupation, bigger output, quick pressure .

This boiler with Membrane Water-cooling Wall is steam boiler of horizontal type, single drum with traveling chain grate. The threaded gas pipe is inside the boiler drum, and both side water-cooling wall rounds thumb flue in drum's belly. This structure protects effectively the boiler drum and avoids the belly directly radiated by fire. Boiler drum connects the two headers by two side water cooling wall. Four downcast pipes are foreside and rearward of boiler drum, and every pipe is led from drum to header. By this design, the drum and headers becomes a circulation loop together with the two sides water-cooling walls.
During running, high temperature gas and ash come into soot separator from smokestack of rear arch blocking-smoke wall, then from thumb flue to front smoke chamber, then to threaded gas pipe passing single pass scour flue, finally through rear smoke box to tail flue.
Boiler heat surface includes four parts: boiler furnace radiation heat surface (right and left water-cooling wall), first bank of tubes convection heat surface, second bank of tubes convection heat surface, tail heat surface (economizer)
Single Pass Threaded Gas Tube
Remove welding thermal stress of tube end from double pass
Prevent breakage of tube-plate
Prevent breakage of tube-plate
The tube water side scale-forming iseasy to drop, improve gas disturbance, strengthen heat transmission
Improveheat efficiency
Nofouling, no need soot blowing
Improveheat efficiency
Thumb gas duct
Reduceinlet gas temperature of high-temp tube-plate
Reducewelding thermal stress of tube-plate
Prevent the breakage of front tube-plate
Reduce heat loading of drum bottom, strengthendisturbance of drum bottom, prevent accumulation of dust
Prevent drum protruding
Arch Tube-plate
Improveflexibility, Remove welding thermal stress of tube end
Prevent breakage of tube-plate
Big size down comer
Reduce resistance of downcomer, improver water speedof ascending pipe, the water circulation is more reliable.
Preventbreakage of tubes
Gas and dust separation in boiler
Separate gas and dust
Reduce smoke concentration
Independent air chamber, send air from two sides
Send air evenly
Improve heat efficiency and prevent partial burning
Rolling wheel device under chain grate
Change sliding friction to rolling friction
Reduce resistance and improve life of chain grate.
New type chain plate
With better tensile fatigue strength, more flexibility for coal andbetter burning effect.
Improve reliability
Single drum water and fire tube drum
Reduce dimension of the boiler, improve water volume in boiler comparingwith other type same capacity boiler
Improve reliability of boiler and flexibility of loading change
skype Ms. Yang

Tel: 86-371-67838018
Fax: 86-371-67838092
Mobile: 86- 139 4911 7539
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Company Info

Zhengzhou Boiler Co., Ltd. [China (Mainland)]

Business Type:Manufacturer, Trading Company, Agent, Distributor/Wholesaler, Service, Association, Other
City: Zhengzhou
Province/State: Henan
Country/Region: China (Mainland)

Miss Yang:   skype

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