Sewage tank anti-hanging film capping mainly includes steel frame anti-hanging film capping and tensile anti-hanging film capping. Different capping methods have different effects on exhaust gas deodorization. There are two ways to cover the sewage tank with reverse hanging film, one is to add a lower cover, the other is to add a higher cover.
The lowered cover is to add a cover with a height of no more than 2m on the surface of the structure to expose all walkways and equipment outside the cover, and only cover the sewage water surface.
The heightening cover is to add a large cover with a height of about 1 to 5m on the structure to be covered, and cover all the pool surface and equipment inside (the aisle board may not be covered inside).
The specific method of collecting and deodorizing waste gas for the cover of the sewage pond shall be comprehensively determined according to the shape characteristics of the sewage pond body and the geographical environment. The tank body adopts a high cover, which can reserve enough maintenance space for internal equipment. For areas with more internal equipment and heavy maintenance tasks, the form of high cover should be adopted. The tank body is sealed with a low cover to reduce the amount of exhaust gas, reduce equipment investment, and save operating costs.
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