What is the focus of inorganic fiber spraying construction
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What is the focus of inorganic fiber spraying construction
Inorganic fiber spraying thermal insulation technology is a new process after traditional thermal insulation construction in building thermal insulation construction. It has excellent characteristics such as good thermal insulation, sound absorption and noise reduction, fire prevention, adaptation to complex wall structure, etc. It is antibacterial and non-mildew, safe and environmentally friendly. Inorganic fiber spraying is a new type of environmental protection building coating, mainly composed of inorganic fiber and water-based adhesive, and sprayed by air pressure pump after mixing, it is mixed with atomized water and sprayed onto the substrate to be protected to form a coating.
Inorganic fiber spraying construction can be constructed only by surface treatment in the construction area. It is also suitable for fire protection of buildings and tunnels, especially for fire protection of high-rise steel structures with high fire resistance limit requirements. It is also suitable for heat preservation and sound absorption of buildings and heat preservation and energy saving of mechanical equipment. Inorganic fiber spraying construction points: spraying base surface treatment.
Spraying base surface treatment: clean up the dust and dirt on the spraying base surface with compressed air or water; check whether the hanging parts and embedded parts are reliable, and tighten the loose parts. If the original base surface has been damaged or has serious cracks, it should be repaired first. Protect doors and windows, various equipment, pipelines and non-spraying parts, and block the spraying parts and ventilation pipeline through holes.
Clean up the obstacles on the working surface, ensure the smooth movement space and safety of the spraying hand, and maintain the best spraying distance and spraying angle. Before the construction of raw material appearance quality inspection, the inorganic fiber sprayed cotton and adhesive shall be sampled for inspection. The fiber cotton shall be dry and free of caking, white and dirt, and the adhesive shall be free of delamination, foaming, deterioration and discoloration. Material preparation and debugging disperse compressed fiber cotton, continuously fill the inorganic fiber sprayed cotton into the spraying machine, and keep the fiber material in the material box sufficient.
Special personnel shall be responsible for diluting the adhesive stock solution in a professional matching container (200-liter scale plastic container equipped with high-speed stirrer) with clean water according to the instructions for spraying glue. The preparation ratio shall be strictly controlled, and the water dilution shall not be increased at will. The electric stirrer shall be continuously started for uniform stirring. The stirring time shall not be less than 5 minutes. Each barrel shall be prepared one by one, and the glue solution shall be prepared as required to avoid freezing and failure.
Pre-spraying primer on the surface of the base layer: after the surface of the base layer is cleaned, the base surface can be pre-sprayed with the prepared spraying adhesive, and the amount of glue is appropriate and uniform without flowing.
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