Zhangjiagang HuaDong Boiler Co., Ltd.
| Payment Terms | L/C at sight, T/T |
| Supply Ability | 500 tons per month |
| Delivery Time | Within 80 days after getting the down payment or L/C |
| Packaging Details | Sea worthy Packing for Export with iron frame |
| Type | Tubular |
| Application | Power Station Maintenance |
| Material | carbon steel, ND steel |
| Advantage | Good sealing, high heat transfer efficiency |
| Brand Name | HD Boiler |
| Model Number | HDBBAP0118 |
| Certification | ASME, SGS, ISO9001, TUV, GRADE A, EN |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C at sight, T/T | Supply Ability | 500 tons per month |
| Delivery Time | Within 80 days after getting the down payment or L/C | Packaging Details | Sea worthy Packing for Export with iron frame |
| Type | Tubular | Application | Power Station Maintenance |
| Material | carbon steel, ND steel | Advantage | Good sealing, high heat transfer efficiency |
| Brand Name | HD Boiler | Model Number | HDBBAP0118 |
| Certification | ASME, SGS, ISO9001, TUV, GRADE A, EN | Place of Origin | China |
| High Light | Carbon Steel steam air preheater ，ASME steam air preheater ，ASME tubular type air preheater | ||
General Introduction: Air Preheater
Air preheater, or boiler preheater, is an important boiler part. It can be divided into two kinds, Tubular type air preheater and Vertical type air preheater.
Air preheater pipe type, mainly using industrial furnaces or smoke waste heat boiler combustion air preheating furnace enter, such not only improves the thermal efficiency of the stove and reduce the environment pollution.
Take the rotary type as a example to illustrate the working principles of air preheaters, when under operation, it would be slowly rotating, and exhaust gas will enter the gas flue side of air preheater, and then be dicharged. The heat carried by the gas flue will be absorbed by the cooling ribs of the air preheater, then the air preheater will be rotating slowly, the cooling ribs work to the side of the air, delivering the heat to the air before the air enters the boiler.
The air preheaters applied in boilers are mostly three warehouses type with fire alarm system, internal adjustment system and frequency conversion control system. It is convenient to use air preheaters with easy operation and safe running, meanwhile it can improve the performance of heat transferring of the bouler system, thus it is very common to apply air preheaters in the system of boiler gas flue.
Details
The main heat transfer component of tubular air preheater is thin-walled steel tube. The tubular air preheaters are mostly cubic. The steel tubes are arranged vertically and staggered with each other. Both ends are welded on the upper and lower tube sheets.The tubular air preheater is equipped with an intermediate tube sheet in the tube box. The flue gas passes through the preheater up and down the pipe, while the air passes through the preheater horizontally to complete heat transfer.
Tubular air preheater is widely used in power station boilers and industrial boilers because of its advantages of good sealing, high heat transfer efficiency, easy manufacturing and processing. The shortcomings of tubular air preheater are large volume, easy ash plugging of steel tube content, difficult cleaning and easy wear and tear at flue gas inlet.
Parameter
Layout item | Horizontal layout | Vertical layout |
| Tube arrangement | staggered arrangement / | staggered arrangement / |
| Sealing of pipe and plate | Packing heat- resistant material/ | welding |
| Anti-wearing | a,when gas scours external tube, welcoming smoke tubes have protective tile | |
Enamel air preheater products are classified as following by application
1.Enamel heat exchanger designed for denitration renovation projects
2.Enamel heat exchanger for circulating fluidized bed boiler and pulverized coal boilers Heat
exchanger parts for garbage incinerators and biomass boilers
3.Heat exchanger parts for grate furnaces, like chain grate furnaces4.Heat exchanger parts for gas-fueled boilers, such as kerosene boilers, coke ovens, etc.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
1985
Total Annual:
100,000,000-120,000,000
Employee Number:
1000~1100
Ecer Certification：
Verified Supplier
Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. ... Hua Dong Boiler Co., Ltd. is a high-tech enterprise specialized in manufacturing boilers. Established in early 1985s, has two manufacturing bases, this company covers 400,000㎡ with fixed assets amounting to USD 110,000,000. There are 1100 employees including 150 technicians and 600 coded welders. ...
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