Power Station Plant Boiler Fin Tube Economizer Parts For Utility , Long Life
Product Details
| Condition: | New | Structure: | Water Tube |
|---|---|---|---|
| Fuel: | Biomass, Coal-Fire | Pressure: | Low / High Pressure |
| Range Of Applications: | Power Station, Industrial | Specification: | Customized |
| Manufacturing Level: | A | Surface Treatment: | Painted |
| Highlight |
spiral fin tube,heat exchanger fin tube |
||
Product Description
Power Station Plant Boiler Fin Tube Economizer Parts For Utility , Long Life
Finned tube heat exchanger elements maintain a high capacity for heat transfer, possess superior self-cleaning properties and retain the ability to effect flue gas waste heat recovery in boiler renovations. Convective heat transfer coefficient is proportional to fin pitch, but inversely proportional to fin height and fin width. Integrated heat transfer capacity is related to fin efficiency, convective heat transfer coefficient and finned ratio. Pressure drop increases with the increase of fin height and fin width.
In order to improve the heat exchange efficiency and extend surface heat transfer, H-type finned tubes have been widely used in boilers and waste heat recovery in recent years. H-type finned tubes are derived largely from rectangle finned tubes. Because of their unique groove structure on the fin surface, H-type finned tubes have excellent anti-wear and anti-fouling performance.
Structure
Our products can be modified according to our customers' needs and the situation.we design and manufacture safe,reliable and efficient H-fin tubes.HD BOILER has also completed stand-alone product quality assurance systems.Production of H-fin tubes are with high heat transfer efficiency, they have flue gas resistance and are designed for a small space.
Advantages
1. Excellent wear resistance
The wear is mainly due to the impact and cutting effect of gray particles on the pipe. The wear is the most severe around the pipe at a level of 30 degrees. When S1/d=S2/d=2, the wear amount here is 3 times of the average value.
Due to the change of air flow direction, the second row has the most severe wear. When S1/d=S2/d=2, the second row is twice as much as the first row wear, and the subsequent row wear is generally 30% to 40% higher than the first row.
The arrangement of the first row is the same as the arrangement of the first row in the sequence.Under the same conditions, the maximum wear of the longitudinal tube bundle is 3-4 times less than that of the staggered tube bundle.
The abrasion speed of the pipe is directly proportional to the non-uniformity coefficient of the flue gas velocity KV3.33, and is directly proportional to the non-uniformity coefficient of the fly ash concentration Ku.
The h-shape finned tube economizer is arranged in sequence. The h-shaped fin divides the space into several small areas and has a uniform flow effect on the airflow. Compared with the optical tube economizer, spiral fin economizer and longitudinal fin economizer with staggered arrangement, the wear life is 3-4 times higher under other conditions.
Flue gas side damper protects the bend part.
2. Reduced dust accumulation
Ash formation occurs on the pipe's back and windward sides.It is easy to scour the pipe by disarrangement, and less dust accumulates on the back.As for the pipe arrangement in sequence, due to the fact that the air flow is not easy to flush the back of the pipe, there is more ash accumulation in the pipe arrangement in sequence than in the wrong column.
The h-type fin is welded on both sides of the pipe, which does not accumulate ash, while the air flow flows straight, the air flow direction does not change, and the fin does not accumulate ash.
A gap of 4-10 is left in the middle of the h-type fin, which can guide the air flow to sweep the pipe fin to accumulate dust.
As the spiral Angle of the fin guides the flow direction, the ash accumulation of the fin tube is more serious, and the economizer which does not form loose ash cannot be used.Field operation shows that the h-shaped fin tube does not accumulate ash, while the spiral fin is seriously.
The longitudinal fin tube is formed by the flow of air along the fin as the fin is welded on the surface and back of the accumulated ash.Some areas are prone to dust accumulation.
The h-shaped fin, which forms a straight channel on both sides, has the best blowing effect.
3. Compact space and low cost
The pipe set is much compact and reduces the height of tail smoke well.
The total weight is greatly reduced and the load of the suspension system is reduced.
Reduce cost of economizer and integral boiler.
4. Reduce smoke lateral resistance
Reduce the operating and investment cost of induced fan.
5. Reduce welding joint and improve reliability.
Technical Parameters
| Item | Base Tube O.D (mm) |
Base Tube Thickness (mm) | Fin Height (mm) | Fin thickness(mm) | Fin Pitch(mm) |
| Range | 25.4 mm ~1600mm | 2.5 mm ~40 mm | 0.5 mm ~20.0 mm | 0.5 mm ~3.0 mm | 5 mm ~ 25.4 mm |
| Material | Carbon Steel,Alloy Steel,Stainless Steel | ||||
| Length | 0<L≤ 12000 | ||||
| Product | H-fin Tube |
| Base Pipe | Welded or Seamless |
| Material | carbon steel, alloy steel, stainless steel, non-ferrous alloys and nickel alloys. |
| Application | H economizer,H evaporator,H superheater,H air heater and etc. |
Company Introduction
Established in 1985,Zhangjiagang Hua Dong Boiler Co.,Ltd.(trading as HD Boiler),produces power plant; industrial; waste heat; waste incineration; biomass; organic heat carrier and electric steam boilers. Coupled with a comprehensive range of heating surfaces, HD Boiler brings to the market a unique service including boiler design , fabrication, installation, maintenance and replacement of boiler pressure parts.
1. Fabrication area of 200,000 square meters
2. 80 Engineers
3. 200 Coded welders
4. 30 Licensed Inspectors(NDT Level-III instructors)
5. Class-A Licenses for Design and Manufacture Boiler
6. ISO 9001:2015 Quality System
7. ASME Certificate of Power Boilers
8. ASME 'S','U' and NB stamp authorization
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Power Station Plant Boiler Fin Tube Economizer Parts For Utility , Long Life Product Description Finned tube heat exchanger elements maintain a high capacity for heat transfer, possess superior self-cleaning properties and retain the ability to effect flue gas waste heat recovery in boiler ...
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