Butterfly Type Main Stack Damper
The frame shall transfer all dead loads, induced wind shear load and wind moment load as calculated at the proposed location, consequentially the damper shell thickness shall be the same as the thickest stack shell in which it is located. The damper blades shall operate freely with any of the imposed calculated loads transmitted through the damper frame.
The HRSG Stack Closure Damper is provided to slow HRSG component temperature decay rate by limiting convective heat loss through the HRSG and stack following gas turbine shutdowns.
The Main Stack Damper adopts the butterfly type to open type structure, the structure is simple and reliable, compared with the louver type structure, the sealing perimeter is reduced obviously, and the sealing effect is better.
Since the establishment of the company, in line with the tenet of "serving the society and benefiting mankind", insisting on technological innovation as the guide, vigorously develops energy-saving and environmentally friendly products that meet the encouragement of national policies. Five series of products have been formed, including boiler auxiliary machine series, waste incineration grate base series, shield machine series, special equipment for boiler manufacturing and various non-standard equipment. Among them, the self-developed flue gas baffle door and sealing device have obtained the national invention patent; products such as gas turbine bypass system, hot water grate base, waste incineration grate and hydraulic slag machine have a large market share; 2005 In 2008, the company began to set foot in the subway industry, and has successfully produced and manufactured 14 shield machines of various types, which are used in the construction of urban tunnel projects at home and abroad.
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