Insulation of ventilation equipment in clean room workshops

Insulation of ventilation equipment in clean room workshops

The chemical properties of the thermal insulation materials used for equipment should be stable and not corrosive to the equipment; the thermal insulation of the inspection points and maintenance parts on the equipment must be detachable in order to facilitate the maintenance and repair of the equipment; During thermal insulation construction, the equipment nameplate should be exposed, or the nameplate should be...

Text label: clean clean room modular workshop, ventilation equipment insulation

Insulation of ventilation equipment of clean clean room modular workshop

The chemical properties of the thermal insulation materials used for equipment should be stable and not corrosive to the equipment; the thermal insulation of the inspection points and maintenance parts on the equipment must be detachable in order to facilitate the maintenance and repair of the equipment; The nameplate of the equipment should be exposed during thermal insulation construction, or the nameplate should be fixed outside the thermal insulation layer. When the sign of the running direction of the equipment is covered by the thermal insulation layer, it should be re-marked; thermal insulation nails are generally used for all types of fans installed indoors. First, paste the insulation nails coated with adhesive on the fan surface evenly. When the insulation nails are laid, they are generally plum-shaped or diamond-shaped. The bonding density of insulation nails should not be less than 9 per square meter. On the surface of the pipe, press the exposed insulation nails with the cover plate; fill and fill the joints of the thermal insulation material with scraps, and seal the joints with aluminum foil adhesive tape, and the overlap of the adhesive tape is 50-60mm. Generally, it is at least twice the width of the tape; in construction, welding-type insulation nails are often used to fix the insulation layer, and the insulation nails are welded on the surface of the fan. Insulation materials such as centrifugal cotton and glass wool can be pasted and fixed with insulation nails for construction. Usually, a surface of these materials is adhered to a surface. layer of aluminum foil or reinforced aluminum foil as a protective layer and a moisture-proof layer; when used for thermal insulation of outdoor fans, the insulation nails should be bonded and fixed outside the insulation layer. Metal protective layer.

Most of the expansion water tank and its water supply tank are the roof platform of the building, and the insulation must be firm and reliable. Generally, the insulation method of bundling and pasting is adopted; Rock and other materials, glass wool, centrifugal cotton and other materials can also be used. The insulating square water tank can be made of sheet or felt material, and the insulating circular water tank is generally made of felt material or tile-like material. When bundling and insulating, use powder line to draw on the surface of the water tank. Line and mark the position of the hook nails. The distance between the hook nails is 300-350mm, and there should be no less than 6 per square meter. The groove nails can be made of 3-6mm galvanized steel wire or round steel, and the hook nails are directly welded to the steel plate of the water tank. On the outside of the thermal insulation layer, apply asbestos cement layer by layer. After the last layer of asbestos cement layer is applied, it should be smoothed and calendered, and attention should be paid to timely maintenance. It is also possible to use hemp cement as a protective layer, and wrap the plastering layer with felt. , foil, cloth protective layer, and then coated with waterproof material on the outside of the wrapping. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean rooms and clean workshops.

When used in a chilled water system, the water distributor and water collector with a diameter of less than or equal to 400mm can be insulated with tube shell or tile-like material, while when the diameter is greater than 400mm, felt and softer plates are generally used for heat insulation; When the head is bundled and insulated, the thermal insulation product is now processed into a fan-shaped block according to the size of the head, and the movable ring and the fixed ring or bracket are spot welded at the top and tangent of the head respectively, and one end of the processed fan-shaped insulation block is tied to the movable ring. The other end is tied to the fixing ring or bracket at the tangent point, and bundled into a radial tie strip; when the diameter of the water divider and water collector is greater than 600mm, a ring-shaped tie should be tied between the tie-in strips. , and then wrap it tightly with galvanized steel wire mesh, and fasten it with 1-1.5mm galvanized steel wire with the galvanized steel wire mesh of the straight pipe section, and then apply asbestos cement layer on the outside. After the asbestos cement is dry, brush two blends. paint. The fixed support of the water distributor and water collector can be made of floor steel support, but the steel support should be insulated, but the insulation length should be at least four times the thickness of the insulation layer from the outer surface of the insulation layer of the water distributor or water collector .

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