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通风排烟预防火灾的情况特点

发布人:http://www。sftfgd。com   发布时间:2018-03-14 18:10:19

1.空气中含有容易起火或爆炸危险物质的房间,其送、排风应采用防爆型的通风设备。送风机如设在单独隔开的通风机房内且送风干管上设有止回阀,可采用普通型通风设备。
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.排除有燃烧和爆炸危险粉尘的空气,在进入排风机前应进行净化。对于空气中含有容易爆炸的铝、镁等粉尘,应采用不产生火花的除尘器;如粉尘与水接触能形成爆炸性混合物,不应采用湿式除尘器。
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.

1786.jpg3.有爆炸危险粉尘的排风机、除尘器,宜分组布置,并应与其他一般风机除尘器分开设置。
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.净化有爆炸危险粉尘的干式除尘器和过滤器,宜布置在生产厂房之外的独立建筑内,且与所属厂房的防火间距不应小于10米。但符合下列条件之一的干式除尘器和过滤器,可布置在生产厂房的单独房间内:⑴有连续清灰设备。⑵风量不超过15000m3/h、且集尘斗的储尘量小于60kg的定期清灰的除尘器和过滤器。
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风量不超过15000m3/h、且集尘斗的储尘量小于60kg的定期清灰的除尘器和过滤器。
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