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改進燒毛機火口措施
舊式燒毛機火口火焰溫度較低(一般700~800℃),changcaiyongduohuokoushaomaodefangfa,yitigaoshaomaozhiliang。danjingchangqishijianguancha,shaomaohuokoudehuoyanwenduduishaomaozhiliangyouxianzhuyingxiang,tigaohuoyanwendu,budankeyishaomaojing,haikeyitigaochesu。xianzaigaijinhuokoucuoshizhuyaoyouxialiejizhongfangfa:
①輻射式火口:在火口上加裝異形耐火磚,使混合氣出噴口後在耐火磚小腔內燃燒,耐火磚是高溫載體,可以聚集熱量,提高燃燒溫度,強化燃燒過程(可達1300~1400℃)。
②多維火口:如國產SPS-IIxingshuangpenshehuokou,zaiyuanxiafengshihuokoujichushang,jiangpenkougaichengyizhuerfu,shiranqihunheqixingchengzhiwoliu,congerranshaodegengchongfen,tigaohuoyanwendu,huoyanpingzhengwending。shuangpenshehuokouhaiyouqitajiegouxingshi,danzuoyongyuanlileisi。gaijindeqitishaomaojihuokoukeyizhuandongyidingjiaodu,bianyukongzhishaomaochengdu。
燒毛時,織物引入進布架,然後經過刷毛箱,箱內裝有4~8根鬃毛或尼龍毛刷輥,毛刷輥旋轉方向和織物進行方向相反,用毛刷刷去附著在布麵的紗粒、雜(za)物(wu)和(he)灰(hui)塵(chen),並(bing)使(shi)布(bu)麵(mian)絨(rong)毛(mao)豎(shu)直(zhi)以(yi)便(bian)燒(shao)毛(mao),然(ran)後(hou)在(zai)火(huo)口(kou)或(huo)熱(re)金(jin)屬(shu)板(ban)表(biao)麵(mian)燒(shao)灼(zhuo)。織(zhi)物(wu)經(jing)燒(shao)毛(mao)後(hou)布(bu)麵(mian)溫(wen)度(du)升(sheng)高(gao),甚(shen)至(zhi)帶(dai)有(you)火(huo)星(xing),因(yin)此(ci)必(bi)須(xu)及(ji)時(shi)撲(pu)滅(mie)火(huo)星(xing),降(jiang)低(di)織(zhi)物(wu)溫(wen)度(du),以(yi)免(mian)影(ying)響(xiang)織(zhi)物(wu)質(zhi)量(liang)或(huo)造(zao)成(cheng)破(po)洞(dong),甚(shen)至(zhi)釀(niang)成(cheng)火(huo)災(zai)。滅(mie)火(huo)裝(zhuang)置(zhi)根(gen)據(ju)落(luo)布(bu)方(fang)式(shi)而(er)定(ding),濕(shi)布(bu)降(jiang)溫(wen)裝(zhuang)置(zhi)為(wei)1~2格平洗槽,槽內裝有熱水或退漿用的堿液或酶液,燒毛後的織物通過平洗槽滅火。幹落布時則向布麵噴霧、濕蒸汽,或繞經冷流水輥筒滅火。
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