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 | boiler air preheater, Heating Elements, Boiler Tube |
| Application | Power Station Maintenance |
| Material | Stainless Steel, enameled tubes, Carbon Steel |
| Advantage | Good sealing, high heat transfer efficiency |
| Usage | Power Station and industry |
| Port | Shanghai；Zhang jiagang |
| 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 | boiler air preheater, Heating Elements, Boiler Tube | Application | Power Station Maintenance |
| Material | Stainless Steel, enameled tubes, Carbon Steel | Advantage | Good sealing, high heat transfer efficiency |
| Usage | Power Station and industry | Port | Shanghai；Zhang jiagang |
| Brand Name | HD Boiler | Model Number | HDBBAP0118 |
| Certification | ASME, SGS, ISO9001, TUV, GRADE A, EN | Place of Origin | China |
| High Light | Horizontal Boiler Rotary Air Preheater ，Good Efficiency Boiler Rotary Air Preheater ，Carbon Steel Boiler Rotary Air Preheater | ||
General Introduction: Air Preheater
The plate air preheaters are mostly made of 1.5-4mm thin steel plates. The steel plate is welded into rectangular boxes, several boxes are put together in a group, and the entire air preheater consists of 2-4 boxes. The flue gas passes through the outside of the box from top to bottom, and the air passes through the inside of the box horizontally, turns upward in the lower part, and interacts with the flue gas twice to transfer energy, so that the flue gas and the air form a reverse flow and obtain a better heat transfer efficiency.
Working Principle
Taking the rotary air preheater as an example to illustrate the principle of air preheater, it will rotate slowly during operation, the flue gas will enter the flue gas side of the air preheater and then be discharged, and the heat carried in the flue gas will be absorbed by the heat sink in the air preheater, and then the air preheater rotates slowly, the heat sink moves to the air side, and then the heat is transferred to the air before entering the boiler.
The application of air preheater in boiler is mostly three-compartment type, with fire alarm system, gap adjustment system and frequency conversion control system. Air preheaters are easy to use, simple to operate, safe to operate, and can improve the heat exchange performance of the boiler system, so it is very commonly used in flue gas boiler systems.
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.
Functions
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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