Problems with fire dampers in engineering

Problems with fire dampers in engineering
There are often more or less problems in the use of fire dampers in engineering, so there are certain safety hazards. Let me share with you some questions about fire dampers in projects.
The control function of fire control equipment for fire prevention, smoke exhaust valve and other facilities is not perfect.
According to the provisions of Article 6.3.9 in the specification GB50116-98: after the fire alarm is confirmed, the air-conditioning air supply of the relevant parts must be stopped, the electric fire damper must be closed, and its feedback signal must be received; at the same time, the smoke prevention and smoke exhaust fans of the relevant parts must be started. , exhaust valve, etc., and receive its feedback signal. In some engineering linkage control, the smoke exhaust valve and exhaust port cannot be controlled by zone, and some cannot receive their feedback signals, and cannot reflect the opening and closing status of the valve parts.
Pipe network gas fire extinguishing system without pneumatic fire damper
Article of GB50116-98 requires: “In the delay stage, fire doors and windows should be automatically closed, ventilation and air conditioning systems should be stopped, and fire valves should be closed.” This requires that pneumatic gas fire extinguishing systems must be installed in the pipe network. Fire damper, linked with fire control equipment. This function is not available in individual projects.
There is no remote control for the stop valve when the air supply and exhaust air are combined
When the basement and parking lot of some buildings use the combined air duct for air supply and smoke exhaust, we found that the shut-off valve in front of the air supply fan and the smoke exhaust machine can only be manually operated on the spot, and the remote control of the control room cannot be realized. The valve is in the open state. In the event of a fire, someone needs to go to the scene to close the shut-off valve in front of the fan, which is very impractical and directly affects the smoke exhaust system. Therefore, it is recommended to increase the remote control function of its shut-off valve.
The problems of fire dampers in the above projects are some of the more common problems in peacetime. I hope the above problems will be helpful to you.


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