Zhangjiagang Dehai Boiler Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 800 Tons / Month |
| Delivery Time | 80 Days |
| Packaging Details | Seaworthy packing |
| Application | Fire-tube / Water-tube/Package Boiler |
| Pressure | Low or High Pressure |
| Steam Output | 10-30 t/h |
| Color | Customized |
| Fuels | Coal gas / Heavy oil |
| Material | Carbon Steel |
| Brand Name | Dehai Boiler |
| Model Number | Membrane wall |
| Certification | ISO9001 , SGS , ABS , ASME |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 800 Tons / Month |
| Delivery Time | 80 Days | Packaging Details | Seaworthy packing |
| Application | Fire-tube / Water-tube/Package Boiler | Pressure | Low or High Pressure |
| Steam Output | 10-30 t/h | Color | Customized |
| Fuels | Coal gas / Heavy oil | Material | Carbon Steel |
| Brand Name | Dehai Boiler | Model Number | Membrane wall |
| Certification | ISO9001 , SGS , ABS , ASME | Place of Origin | China |
| High Light | water wall tubes ，boiler wall unit | ||
Water wall water tube fire tube package boiler manufacturer combustion fabricator
Industry Boiler Brief History
Fire-Tube Boiler
1. The fire tube boiler, the oldest design, is made so the products of combustion pass through tubes surrounded by water in a shell.
2. The furnace/flame volume can either be inside or external to the shell that contains the water.
3. The upper steam capacity of fire tube boilers is about 20,000 Ibm/hr, and the peak pressure obtainable is limited by their large shells to about 300 psi.
4. Fire-tube boilers are used for heating systems.
Water-Tube Boiler
1. A water-tube boiler is one in which the products of combustion pass around the outside and heat tubes containing the water. 2. The water tube diameter is much smaller than the shell diameter of a fire-tube boiler, so much higher pressures can be obtained, well over 2000 psi.
3. The furnace and boiler tube area must be surrounded by a heavily insulated refractory wall to prevent heat transfer through the boiler walls.
4. The refractory lining is a high maintenance item.
Package Boiler
1. All but the largest boilers used for heating and industrial purposes are packaged boilers.
2. They are factory-built and shipped whole or in modular components to the customer.
3. Many are constructed in an elongated shape that will fit through large building doors with minimal field adjustment required.
Waterwall Boiler
1. All large and many intermediate-sized boilers are water-tube boiler with a boiler section that consists of closely-spaced water tubes covering the furnace wall.
2. The waterwall boiler design allows much lighter, less expensive walls by having the waterwalls form an integral part of the boiler wall so that the wall is water cooled.
3. If so equipped, the superheater and reheater are separate sections hanging above the main furnace volume.
Advantages
1. The protective effect of membrane water cooling wall on the furnace wall is the most complete, so the furnace wall only needs insulation materials, rather than refractory materials, so that the thickness and weight of the furnace wall are greatly reduced, simplify the structure of the furnace wall, reduce the total weight of the boiler.
2. Membrane water wall also has good air tightness, can adapt to the requirements of positive pressure combustion on the boiler, not easy to slag formation, less air leakage, reduce the heat loss of smoke exhaust, improve the boiler thermal efficiency.
3. it can be welded into components by the manufacturer for quick and convenient installation.
4. the use of membrane wall structure of the boiler, simple maintenance, boiler service life can be greatly improved.
| Name | Membrane water panel |
| Material | Carbon steel,Alloy,Stainless steel |
| Tube size | Φ38 - 76 mm, Customize |
| Standard | ISO , ASME |
| Model | Studded |
| Application | Istallable around the boiler combustion chamber |
| Material of base pipe | Carbon steel,Alloy steel, Aluminium or Stainless |
| Material of fins | Carbon steel,Alloy steel,Aluminium or Stainless |
| Type of base pipe | Seamlesss,Welded |
| Type of fins | welded or whole |
| OD of Base pipes | 15mm-219mm |
| WT of base pipes | 1.5-6mm |
| Width of fins | 6mm-30mm |
| WT of fins | 0.8mm-3.0mm |
| Length of blank area | according to Customer's request. |
| Length of finned tubes | ≤23m |
Under Processing(Lining)
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1998
Total Annual:
30,000,000.00-50,000,000.00
Employee Number:
300~500
Ecer Certification：
Active Member
Dehai Boiler is a manufacturer of A-class boiler(Power station boiler,industrial boiler,HRSG,waste-to-energy boiler,biomass boiler) and correlated A-class pressure parts intergrating the design,fabrication,installation,repair and mainteance. Dehai has ISO9001:2008 certificate is... Dehai Boiler is a manufacturer of A-class boiler(Power station boiler,industrial boiler,HRSG,waste-to-energy boiler,biomass boiler) and correlated A-class pressure parts intergrating the design,fabrication,installation,repair and mainteance. Dehai has ISO9001:2008 certificate is...
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