Shenyang ventilation pipeline Requirements for installation in the basement?
Ventilation duct The clear height of equipment in the basement shall not be less than 2m. The length of flexible stub pipe is generally 200mm, and it is necessary to use incombustible materials to make components for smoke control and ventilation system. The air duct at the fresh air suction end shall be insulated with 30mm thick centrifugal glass wool board with aluminum foil, and the insulation layer shall not be empty or damaged.
The indoor clear height of 623 buildings in the General Principles of Civil Planning should conform to the provisions of special building planning specifications; The clear height of the basement, some mezzanine floors, walkways and other low places with normal activities should not be less than 2m.
During the construction, the ventilation duct manufacturer shall arrange special personnel to reserve holes and embed pipes according to the progress of the civil engineering, and shall cooperate with each other to avoid missing and wrong burying, so as to prevent the waste of human and material resources. At the end of the construction phase, the civil engineering and equipment shall cooperate closely to protect each other's finished products, Create good conditions for completion inspection of the project.
In case of fire, the exhaust system and air supply system are separately converted into smoke exhaust system and air supplement system, and the smoke exhaust of ventilation duct manufacturer Axial flow fan Smoke exhaust that should be closed at 280 ℃ Fire damper Conduct electrical interlocking. When the air temperature exceeds 280 ℃, the smoke exhaust fire damper will automatically close, the fan will work intermittently, and the linked fresh air unit will work intermittently.
The fan of fresh air unit shall be linked with 70 ℃ fire damper. The fan of the fresh air unit of the ventilation duct manufacturer shall be interlocked with the electric heat preservation valve, so that the fresh air unit can work, the heat preservation valve can be opened, the heat preservation valve can be closed, and the fresh air unit can work intermittently. The fan shall also be interlocked with the fire vent closed at 70 ℃. When the air temperature of the ventilation duct manufacturer exceeds 70 ℃, the fire damper will automatically close and the fan will work intermittently.
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