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Heat Exchange Membrane Water Wall Panels High Efficiency Boiler Spare Parts

Categories Water Wall Panel
Brand Name: HD Boiler
Model Number: Membrane Water Wall
Certification: ISO9001,ASME,Grade A,SGS,EN
Place of Origin: China
MOQ: 1Set
Price: Negotiable
Payment Terms: L/C, T/T, Western Union, D/P, MoneyGram
Supply Ability: 500 Tons/Month
Delivery Time: 30 Days
Packaging Details: Seaworthy Packing
Condition: New
Structure: Fire/Water Tube
Fuel: Coal/Gas/Coal-fired/Water heat
Pressure: Low/High Pressure
NDE: 100% PT,100 RT,100% UT
Material: Carbon Steel / Stainless Steel Etc
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    Heat Exchange Membrane Water Wall Panels High Efficiency Boiler Spare Parts


    Heat Exchange Membrane Water Wall Panels High Efficiency Boiler Spare Parts


    Product Introduction


    Water wall panels is the mainly heating part of industrial boiler.It usually combine with seveal tubes,distributed aroud combustion chamber.Flowing water or steam is in it and absorb heat from flame heat from chamber.Water wall panels absorb radition heat and working medium evaporates as it rises in boiler.


    Membrane water wall panels are widely used in industrial power station plant as it's good air leakproofness and efficient heat exchange.HDB fabricate membrane water wall panels using submerged welding machine to ensure product quality and save materials and energy.


    Product Description And Types



    Membrane water wall panels is air leaktight construction which combined by tubes and fins.It's usually installed on the inner of boiler chamber,mainly uesd to absorbe radition heat from flame and high temperature gas.It' a evaporation heat surface of modern boiler and also as a basis past for water circulation loop in boiler,which can cooling and protect furnace wall.


    HDB manufacture membrane water wall panels include below 3 types:

    1.Steel flat and bare tubes are weld to a raw,which is meterial saving and low costing ,can meed all variety requiments of pitch.

    2.Welding fin tubes in a row,this type only need short leadtime,can meeting rush product delivery.

    3.Bare tubes burnt and welding,the intertube fins are formed by the melting and filling of welding wires.It's mainly used in short pitch wall panels.


    Advantages of Membrane Water Wall


    1. To guarantee the leakproofness of furnace wall and reduce the air leak of combustion chamber.

    2. To achieve the full water cooling of combustion chamber, and the boiler accessories membrane water wall is benefit to prevent coking under the condition of supplemental firing.

    3. The thermal storage capacity is small, the warming of combustion chamber is fast and the cooling is also fast, which could shorten the cooling time of boiler’s start and furnace shut down.

    4. It is good to adopt top supported water cooled wall and it could reduce the load of boiler framework, which is benefit to overhang.

    5. Compared with the bare tubes, the membrane water wall improves the heat absorption capacity of tubes.

    6.The factory direct boiler membrane water wall could improve the Preliminary combination degree of boiler parts and reduce the installation workload.


    Additional


    1Water wall panels are used in Waste Heat recovery boilers.
    2We manufacture Water wall panels,these are fabricated out of carbon steel tubes to customers' drawings and specifications.
    3Special care is taken for ovality and thinning at the bent portion,during fabrication.
    4We are manufacturing and supplying a comprehensive range of Waterwall Panels.
    5The tubes offered by us are known to withstand a great internal pressure as a continual strip of fin material is wound spirally on the tube.
    6These tubes are known to provide heat uniformly that result in an increased heat output.
    7The 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.

    Application


    1Energy 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.
    2These 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.



    Notes


    1Control of weld penetration to satisfy mechanical and heat transfer requirements Control of the deformation to acceptable tolerances.
    2Panels routinely require straightening in the workshop after welding and heat treatment, the question to be answered is can the shop then meet the required dimensional tolerances for successful site installation?
    3Can existing shop handling procedures be used as-is without adding excessive controls that will add cost and schedule.
    4The importance of preheating and its maintenance through the welding process could cause a number of handling and shop processing issues that will substantially increase cost.

    Workshop



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