제품 세부정보
| 구조: | 전기 성분 | 압력: | 낮은/고압 |
|---|---|---|---|
| 연료: | 석탄/가스/석탄을 때는/물 열 | 상태: | 새롭습니다 |
| 재료: | 탄소 강철/스테인리스 | 색: | 빨강/파랑/회색 |
| 강조하다 |
Steam Boiler Superheater And Reheater,ASME Standard Superheater And Reheater,ASTM Standard Superheater And Reheater |
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제품 설명
ASTM / ASME Standard Steam Boiler Superheater And Reheater Heating Element
Product Description
The function of Super heater in the thermal power plant is to remove the last traces of moisture from the saturated steam coming out of boiler and to increase its temperature above saturation temperature as per requirement at inlet of steam turbine.
Details
Superheating raises overall efficiency as well as avoids too much condensation in last stages of turbine which avoids blade erosion.
The heat of combustion gases from furnace is utilised for removal of moisture from steam and to superheat the steam.
Super-heaters ususlly have several tube circuits in parallel with one or more return bends,connected between headers.
Heat from the hot gases to the vapour in the surperheater is transferred at high temperatures.
Therefore promary section of superheater is arranged in counterflow and secondary section in parallel flow to reduce the temp.stressing of the tube wall.
Principle
Principle of superheater is similar to steam generating tubes of boiler.
The hot gases at high temperature sweep over superheater tubes and raise the temperature of steam which magnitude depends upon exit gas temperature leaving the superheater and gas velocity.
use for heating saturated steam, steam temperature could be up to 900 degree C.
Superheater Capacity Upgrades to Increase Power Generation
Superheaters are the one of the most important accessories of boiler that improves the thermal efficiency.
In the boiler, the role of superheater is to heat the saturated steam to a certain temperature of superheated steam to increase power plant efficiency. Repeater essentially further improves the thermal power plant cycle efficiency.
Superheater is to increase the temperature of the steam above its saturation point.
Reheater is basically a superheater that superheats steam exiting the high-pressure stage of a turbine. The reheated steam is then sent to the low-pressure stage of the turbine. By reheating steam between high-pressure and low-pressure turbine it is possible to increase the electrical efficiency of the power plant cycle beyond 40%.The reheat cycle is used in large power boilers since it is feasible economically only in larger power plants.
Details
All the raw materials will be firstly made pipeline cutting.
It is consisted of a series of bare oil(carbon steel,alloy steel,or durable heat steel) and header and other auxiliaries. TubesΦ32,38,42 and so on,also as the request.
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Setting Information
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process
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welding
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structure
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horizontal or vertical
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material
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carbon steel, alloy steel
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tubes
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φ32, 38, 42, etc.
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size
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customized
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brand
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HTEG
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Warranty
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18 months
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Differences
| Type | Advantages | Disadvantages | Supporting method |
| Pendant-type | 1.Firm structural support | 1. Flow blockage by condensed steam 2. Needs slow restart to purge the water that accumulates in the bottom. | supported from above |
| Inverted-type | 1.Proper drainage of the condensed steam | 1. Lack the structural rigidity, especially in high speed gas flow | Supported from below |
| Horizontal -type |
1. Proper drainage 2. Good structural rigidity. |
1. They do not view the flam directly so they are mainly from the convective type | Usually supported in the vertical gas ducts parallel to the main furnace. |
Application
Use for heating saturated steam, steam temperature could be up to 900 degree C.
Superheater Capacity Upgrades to Increase Power Generation
Workshop
Send us required technical data, such as steam capacity, presure, required temperature etc. We will design accordingly.
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. 150 Engineers
3. 600 Coded welders
4. 60 Licensed Inspectors(NDT Level-III instructors)
5. Class-A Licenses for Design and Manufacture Boiler
6. ISO 9001:2008 Quality System
7. ASME Certificate of Power Boilers
8. ASME 'S','U' and NB stamp authorization
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