通風排煙預防火災的情況特點

發(fā)布人：http://www.hkcts.com.cn   發(fā)布時間：2018-03-14 18:10:19

1．空氣中含有容易起火或爆炸危險物質(zhì)的房間，其送、排風應采用防爆型的通風設(shè)備。送風機如設(shè)在單獨隔開的通風機房內(nèi)且送風干管上設(shè)有止回閥，可采用普通型通風設(shè)備。
1. air contains a room with easy fire or explosive material, and the air supply and exhaust air should be ventilated with explosion-proof type. The air blower is located in a separate ventilated machine room with a check valve on the air supply pipe, and ordinary ventilation equipment can be used.
2．排除有燃燒和爆炸危險粉塵的空氣，在進入排風機前應進行凈化。對于空氣中含有容易爆炸的鋁、鎂等粉塵，應采用不產(chǎn)生火花的除塵器；如粉塵與水接觸能形成爆炸性混合物，不應采用濕式除塵器。
2. remove the air that has the dangerous dust of burning and explosion, and should be cleaned before entering the exhaust fan. For air containing explosive aluminum and magnesium and other dust, we should use no spark cleaner, such as dust and water contact can form explosive mixture, and no wet dust collector should be used.

3．有爆炸危險粉塵的排風機、除塵器，宜分組布置，并應與其他一般風機除塵器分開設(shè)置。
3. the air exhauster and dust collector with dangerous explosive dust should be arranged in groups and should be set separately from other general fan dust remover.
4．凈化有爆炸危險粉塵的干式除塵器和過濾器，宜布置在生產(chǎn)廠房之外的獨立建筑內(nèi)，且與所屬廠房的防火間距不應小于10米。但符合下列條件之一的干式除塵器和過濾器，可布置在生產(chǎn)廠房的單獨房間內(nèi)：⑴有連續(xù)清灰設(shè)備。⑵風量不超過15000m3/h、且集塵斗的儲塵量小于60kg的定期清灰的除塵器和過濾器。
4., clean dry dust filters and filters with explosive hazardous dust. They should be arranged in the independent building outside the production plant, and the fire protection distance between the buildings and the factory buildings should not be less than 10 meters. But one of the following conditions the dry dust collector and filters can be arranged in a separate room within the production plant. The continuous cleaning equipment. ⑵風量不超過15000m3/h、且集塵斗的儲塵量小于60kg的定期清灰的除塵器和過濾器。
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