Traditional Culture Encyclopedia - Traditional customs - What are the components of automatic fire alarm system and fire linkage system?
What are the components of automatic fire alarm system and fire linkage system?
2. The fire fighting linkage system mainly includes wet, dry, dry-wet alternating, pre-action and automatic sprinkler system.
(1) wet type: mainly composed of closed nozzle, pipeline system, wet alarm valve, alarm device and water supply facilities.
(2) Dry type: it consists of closed nozzle, pipeline system, dry alarm valve, alarm device, inflation equipment, exhaust equipment and water supply equipment.
(3) Pre-action type: automatic fire alarm device is added on the basis of dry type, which has dual control functions and has the advantages of wet type and dry type. It consists of automatic sprinkler system, rain sprinkler system, water curtain system and sprinkler system.
(4) Rain automatic sprinkler system: it consists of open sprinkler, pipeline system, deluge valve, fire detector, alarm control device, control parts and water supply equipment.
Extended data:
Rain fire extinguishing system has the advantages of large water output, large fire extinguishing control area and timely fire extinguishing, but the water damage is greater than that in close system. Usually used in some serious dangerous places with intense combustion and rapid spread. According to GB 500 16-2006 Code for Fire Protection Design of Buildings, the following places should be provided with rain sprinkler systems:
1, match factory potassium chlorate crushing plant; The building area exceeds 100m? Production and use of nitrocellulose, inkjet cotton, collodion, celluloid film and nitrocellulose.
2. The building area exceeds 60m? Or a warehouse with a storage capacity of more than 2t of nitrocellulose, inkjet cotton, collodion, film and nitrocellulose.
3. Bottle filling rooms and real bottle warehouses of LPG storage and distribution stations with a daily bottling capacity of more than 3,000 bottles.
4. The lower part of the stage grape trellis of a special, first-class or other theater with more than 65,438+0,500 seats and an auditorium with more than 2,000 seats.
5. Is the building area greater than or equal to 400m? Studio, with a building area of over 500m? Film studio.
6, table tennis factory blank rolling, slicing, grinding, ball inspection parts.
References:
Baidu Encyclopedia-Automatic Fire Alarm and Fire Control System
References:
Baidu encyclopedia-rain fire extinguishing system
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