公司主營:橋、門式起重機、大噸位起重機、冶金鑄造起重機、造船用門式起重機、港口門座起重機、集裝箱門式起重機、單、雙梁橋式起重機、抓鬥、電磁、防爆等係列起重機;電動葫蘆、環鏈葫蘆、手拉葫蘆、防爆、冶金、鋼絲繩等係列葫蘆;輕小型起重機、kbk輕柔型起重機、平衡吊、懸臂吊、電動平車、升降機、升降平台、導軌貨梯、叉車、等起重設備。本公司專業銷售、安裝、改造、維修保養各種單、雙梁起重機、電動葫蘆等起重設備,並配備各種型號起重配件。以產品批發價格給采購商提供起重機所需要的一切配件,幫助節省采購成本30%-50%。
防爆電動葫蘆的防爆特點
juyoufangbaowaikedediandonghuluchengweifangbaodiandonghulu。ketikechengshoubaozhaxingqitihunhewudebaozhayali,bingfangzhibaozhaxingqitihunhewukuosandaoketiwaibudezhouweiquyu。reliangcongranshaodecailiaoxunsuchuanbodaoweiranshaodecailiao。tongguoguandaohuoyanranshaoshiyan,faxianchanpindereliangbujinchuandigeiweiranshaodehunhewu,erqiechuandigeiguanbi。bufenreliangtongguoguanbisanshi,yincikaojinguanbideranshaosudujianman,zhengchangsudujihuweiling。
防爆原理:fangbaodiandonghuluyunxingshihuichanshengchuandaohejixiemoca,youshihuichanshengdianhu,huohuaheguorexianxiang。yinci,zaiyiranyibaochangsuoshiyongdefangbaoxingdiandonghuluyingcaiquxiangyingdecuoshi:防止電弧,火花或過熱的發生,即使產生,也不能點燃周圍的一些爆炸性混合物。鋼板電動葫蘆的防爆原理的出發點是:在(zai)設(she)計(ji)製(zhi)造(zao)防(fang)爆(bao)電(dian)動(dong)葫(hu)蘆(lu)時(shi),防(fang)爆(bao)電(dian)動(dong)葫(hu)蘆(lu)是(shi)由(you)防(fang)爆(bao)電(dian)氣(qi)設(she)備(bei)組(zu)成(cheng)的(de)整(zheng)套(tao)機(ji)電(dian)設(she)備(bei),金(jin)屬(shu)結(jie)構(gou),機(ji)構(gou)和(he)部(bu)件(jian),防(fang)爆(bao)電(dian)氣(qi)部(bu)件(jian)連(lian)接(jie),機(ji)械(xie)或(huo)液(ye)壓(ya)傳(chuan)動(dong)以(yi)及(ji)安(an)全(quan)裝(zhuang)置(zhi)。
當dang管guan徑jing較jiao小xiao到dao一yi定ding程cheng度du時shi,火huo焰yan傳chuan播bo速su度du將jiang降jiang至zhi零ling。這zhe是shi在zai管guan子zi中zhong滅mie火huo的de原yuan理li,該gai直zhi徑jing是shi臨lin界jie直zhi徑jing。通tong過guo防fang爆bao測ce試shi,防fang爆bao原yuan理li成cheng功gong地di應ying用yong於yu電dian動dong葫hu蘆lu的de防fang爆bao結jie構gou。在zai一yi定ding的de初chu始shi溫wen度du和he壓ya力li下xia,各ge種zhong爆bao炸zha性xing混hun合he物wu具ju有you自zi己ji的de爆bao炸zha性xing濃nong度du,通tong常chang以yi體ti積ji百bai分fen比bi表biao示shi。分fen為wei上shang限xian濃nong度du和he下xia限xian濃nong度du,兩liang者zhe之zhi間jian存cun在zai爆bao炸zha危wei險xian。下xia限xian濃nong度du是shi爆bao炸zha危wei險xian的de初chu始shi條tiao件jian。
因(yin)此(ci),防(fang)爆(bao)電(dian)動(dong)葫(hu)蘆(lu)的(de)防(fang)爆(bao)要(yao)求(qiu)一(yi)方(fang)麵(mian)要(yao)考(kao)慮(lv)高(gao)溫(wen)和(he)單(dan)台(tai)防(fang)爆(bao)電(dian)氣(qi)設(she)備(bei)產(chan)生(sheng)的(de)火(huo)花(hua),還(hai)要(yao)考(kao)慮(lv)機(ji)械(xie)火(huo)花(hua)和(he)機(ji)械(xie)運(yun)動(dong)部(bu)件(jian)引(yin)起(qi)的(de)摩(mo)擦(ca)和(he)衝(chong)擊(ji)。另(ling)一(yi)方(fang)麵(mian)。電(dian)動(dong)葫(hu)蘆(lu)防(fang)爆(bao)保(bao)護(hu)的(de)基(ji)本(ben)原(yuan)理(li)是(shi)采(cai)取(qu)相(xiang)應(ying)措(cuo)施(shi)在(zai)一(yi)定(ding)程(cheng)度(du)上(shang)控(kong)製(zhi)火(huo)花(hua)和(he)電(dian)弧(hu)的(de)產(chan)生(sheng)。電(dian)火(huo)花(hua)和(he)機(ji)械(xie)火(huo)花(hua)應(ying)通(tong)過(guo)相(xiang)應(ying)的(de)防(fang)爆(bao)技(ji)術(shu)加(jia)以(yi)控(kong)製(zhi)和(he)消(xiao)除(chu),以(yi)使(shi)它(ta)們(men)不(bu)會(hui)在(zai)環(huan)境(jing)區(qu)域(yu)點(dian)燃(ran)爆(bao)炸(zha)性(xing)氣(qi)體(ti)混(hun)合(he)物(wu)。



