Q235B GB Standard Boiler Membrane Wall High Temperature Combustion
GB Standard Boiler Membrane Water Wall Panel Made of Carbon Steel for Power Plant Boiler
Introduction
Water wall panels are the main heating surface of boilers, composed of numbers of rows of steel tubes, arranged around the boiler corner. Inside is the flowing water or steam, and the outside accepts the heat of the flame in the furnace of the boiler, mainly absorbing the radiation heat of the high-temperature combustion products in the furnace. The working fluid rises in it and evaporates by heat.
Application
| 1 | Energy saving enviromental protection china supplier membrane water wall for CFB boiler are membrane walls that are made of tubes welded together with or without a strip of metal in between. |
| 2 | These walls form the enclosure of the coal combustion chamber. |
| 3 | Water wall tubes are also referred to as the evaporator section; they contain water mostly in liquid form which gradually evaporates as it rises in the boiler. |
Materials for water wall panels
20# Steel, SA192, SA 106B, 15CrMoVG, 12Cr1MoV
Standards
ASME Code standard, GB Standard
Quality inspection
MT, RT, Hydraulic test
Specification
The main function of water wall panels in boiler is to absorb the heat generated by high temperature flame or flue and to generate steam or hot water in tubes, hence to reduce the temperature in the chamber .
| Name | water wall panels |
| Material | ASME standard carbon steel or alloy steel |
| Tube size | Customized |
| Standard | As per ASME standard |
| Equipment | Automatic production equipment |
| Application | Maintenance of Sugar Mill Boiler |
Various Boiler Water Wall Panel Can Be Fabricated
- 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.
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