The anti-hanging membrane structure is a new type of sewage tank waste gas deodorization method, and its appearance has made outstanding contributions to environmental governance to a certain extent. For the construction of the anti-hanging membrane project, the processing of the membrane material steel is completed in the processing plant, made into semi-finished products and then transported to the site for installation. Furthermore, a certain processing flow is installed for construction. At this stage, the details of the construction should be controlled.
Quality control measures of reverse hanging film in sewage tank:
1. Quality control of the production of truss steel components, and process treatments such as rust removal/bending/coating of anti-corrosion coatings on steel pipes to ensure that each process meets engineering requirements. Steel trusses can be formed and marked one by one for convenient transportation to the site Welding treatment.
2. Steel structure welding, steel structure welding needs to be carried out by professional welding workers, and the welding process qualification standards shall be formulated, strictly implemented in accordance with the standards, and strict quality control. For steel truss with unqualified welding quality, it is strictly forbidden to enter the hoisting process, and only after the correction is completed Carry out hoisting and welding.
3. The steel truss is hoisted and fixed. After the steel truss is hoisted by a crane, the joints are welded and fixed, and the bottom structure is fastened and fixed with high-strength bolts. Due to the need for anti-hanging membrane installation on the steel structure, the stability of the steel structure must be ensured.
4. Membrane surface installation, the membrane surface of the steel supporting anti-hanging membrane needs to be designed/calculated and cut reasonably to ensure that the membrane material can be tightly connected to the steel structure to achieve a sealing effect.
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