Power Plant Boiler Water Wall Tube Membrane Maintenance And Replacement
Product Details
| Function: | Wall Decoration And Heat Insulation | Maintenance: | Low |
|---|---|---|---|
| Fireproof: | Grade A | Installation Method: | Welding |
| Flexibility: | High | Hs Code: | 3215960855 |
| Welding Technique: | Submerged Arc Welding | Tube Material: | SA 210 A1 |
| Manufacturing Level: | A | Pressure Resistance: | High |
| Capacity: | 300-30 | Standard: | GB |
| Model: | Boiler Part | Range Of Applications: | Industrial/Power Station |
| Insulation: | Excellent | ||
| Highlight |
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Product Description
GB Standard Boiler Membrane for Power Plant Boiler Maintenance and Replacement
Introduction
Membrane water wall is an air-tight structure consisting of pipes and fins.The advantages are less air leakage in furnace; can use pipe-laying wall, less load on steel structure and lower cost of boiler; easy to use suspension structure and improve thermal expansion system, suitable for large-scale mechanized production, high assembly rate, low heat storage capacity and shorten star-up and shutdown time. The disadvantage is that the manufacturing process is complex. Membrane water wall is often used in large capacity, high temperature and high pressure boilers.
Membrane water wall is an air-tight structure consisting of pipes and fins.The advantages are less air leakage in furnace; can use pipe-laying wall, less load on steel structure and lower cost of boiler; easy to use suspension structure and improve thermal expansion system, suitable for large-scale mechanized production, high assembly rate, low heat storage capacity and shorten star-up and shutdown time. The disadvantage is that the manufacturing process is complex. Membrane water wall is often used in large capacity, high temperature and high pressure boilers.
Strong points of membrane water wall
(1) Ensure the sealing of furnace wall and reduce air leakage in combustion chamber.
(2)The realization of full water cooling in combustion chamber is beneficial to prevent coking under the condition of intensified combustion.
(3)The cooling time of start-up and shutdown of boilers can be shortened because of its small heat storage capacity, fast temperature rise and fast cooling in combustion chamber.
(4)Pipe-laying furnace wall is suitable, which greatly reduces the load of boiler frame and it is convenient for suspension and lifting.
(5)Compared with the bare tube type, the heat absorption capacity of the tube is improved.
(6)It improves the per-assembly degree of boiler components, facilitates and reduces the installation workload
Various Boiler Water Wall Panel Can Be Fabricated besides the membrane wall type:
- Membrane boiler water wall panel: spot welds many rolled finned tubes into a sealed combined heating surface, which improves the airtightness of the furnace and reduces air leakage.
- Studded water wall tubing: welds pins of 20 to 25 mm in length and 6 to 12 mm in diameter on the water wall tube, and then applies a chrome ore refractory plastic to reduce the water wall panel’s heat absorption, and increase the temperature in the combustion zone. It is appropriate for situations where it is difficult to set fire to the fuel, as well as specific slag tapping furnaces.
- Plain tube boiler water wall panel: composed of a whole row of seamless steel pipes, the simplest structure.
- Wall-attached boiler water wall tubing: embedded in the inner wall of the furnace wall, single-sided heat absorption.
- Double-sided heated water wall panel: installed in the middle of the large boiler furnace, which is divided into two parts that are independent of each other, and both sides are heated.
Product Highlights
GB Standard Boiler Membrane for Power Plant Boiler Maintenance and Replacement Introduction Membrane water wall is an air-tight structure consisting of pipes and fins.The advantages are less air leakage in furnace; can use pipe-laying wall, less load on steel structure and lower cost of boiler; easy ...
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