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为了降低煤矿、金属矿、井底车场及综采工作面的井下矿尘含量,改善井下工人劳动条件,佳木斯防爆研究所、合江工业科研所等12个单位研制成功BZSZ型防爆自动洒水组合装置。最近,佳木斯市经委邀请开滦、鹤岗、鸡西等各煤矿的科技
In order to reduce the underground mine dust content in coal mines, metal mines, bottom-end yard and fully mechanized coal mining face and improve working conditions for underground workers, 12 units of Jiamusi Explosion Protection Institute and Hejiang Industrial Scientific Research Institute were successfully developed BZSZ explosion-proof automatic sprinkler combination device . Recently, Jiamusi Economic Commission invited Kailuan, Hegang, Jixi and other coal mines technology