選用(yong)阻(zu)燃電纜時(shi)注意的問題(ti)
作者: 發(fa)布(bu)時(shi)間:2023-12-23
設(she)(she)計人(ren)(ren)員(yuan)應(ying)該根(gen)據阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan)的(de)(de)具體(ti)特性(xing)對阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan)進行設(she)(she)計選(xuan)(xuan)用(yong)(yong)及敷設(she)(she)施工,并(bing)(bing)應(ying)注意(yi)以下幾個問(wen)題: (1)由于(yu)含鹵(lu)(lu)(lu)阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan)(包括阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan)、低鹵(lu)(lu)(lu)低煙阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan))在燃燒(shao)時會釋(shi)放具有腐蝕性(xing)的(de)(de)鹵(lu)(lu)(lu)酸氣(qi)體(ti),大(da)大(da)阻(zu)(zu)礙消防(fang)工作從而耽誤(wu)救火時間并(bing)(bing)加(jia)劇(ju)火勢蔓延,因(yin)此(ci)在人(ren)(ren)口密度較高的(de)(de)公眾(zhong)場所應(ying)盡(jin)量設(she)(she)計選(xuan)(xuan)用(yong)(yong)無(wu)鹵(lu)(lu)(lu)低煙阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan)。在人(ren)(ren)口密度較小的(de)(de)作業區可以選(xuan)(xuan)用(yong)(yong)任(ren)意(yi)一(yi)種阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan)。 (2)阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan)分(fen)為(wei)A、B、C3類(lei),其中(zhong)A類(lei)阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan)性(xing)能較B、C類(lei)更優,價格也最貴。設(she)(she)計人(ren)(ren)員(yuan)提供訂貨(huo)清冊時應(ying)標明(ming)阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan)的(de)(de)類(lei)別。 (3)從外觀上(shang)無(wu)法區分(fen)阻(zu)(zu)燃電(dian)(dian)(dian)纜(lan)的(de)(de)A、B、C類(lei)別,只有靠制(zhi)造(zao)廠家進行供貨(huo)保(bao)證,因(yin)此(ci)在設(she)(she)計選(xuan)(xuan)用(yong)(yong)時應(ying)慎重選(xuan)(xuan)擇電(dian)(dian)(dian)纜(lan)制(zhi)造(zao)廠家。 ...
如何判斷阻(zu)燃(ran)耐火電纜的質量
作者: 發布時間:2023-12-23
判斷阻(zu)(zu)燃耐(nai)火(huo)電纜質量的(de)(de)(de)一般要(yao)求(qiu)如下(xia): 1、阻(zu)(zu)燃耐(nai)火(huo)電纜顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)識別(bie)。 1)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)要(yao)求(qiu):徽(hui)標(biao)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)必(bi)須(xu)(xu)符合(he)或(huo)接近GB6995.2-86 《電線電纜識別(bie)標(biao)志(zhi)第2部分:標(biao)準顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)》中指定(ding)的(de)(de)(de)特(te)(te)定(ding)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)。 2)清(qing)晰(xi)(xi)度(du):標(biao)志(zhi)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)應易(yi)于識別(bie)或(huo)易(yi)于識別(bie)。 3)內(nei)摩擦(ca)性:標(biao)志(zhi)要(yao)有(you)內(nei)摩擦(ca),擦(ca)拭后(hou)的(de)(de)(de)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)基本(ben)不變(bian)。 2、阻(zu)(zu)燃耐(nai)火(huo)電纜數(shu)字(zi)識別(bie)。 1)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)要(yao)求(qiu):載體必(bi)須(xu)(xu)是相(xiang)同(tong)的(de)(de)(de)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se),所(suo)有(you)識別(bie)數(shu)字(zi)的(de)(de)(de)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)必(bi)須(xu)(xu)是相(xiang)同(tong)的(de)(de)(de)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)。載體顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)和(he)徽(hui)標(biao)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)必(bi)須(xu)(xu)有(you)很大差異,并且(qie)必(bi)須(xu)(xu)能夠(gou)滿(man)足或(huo)接近GB6995.2-86中指定(ding)的(de)(de)(de)特(te)(te)定(ding)顏(yan)(yan)(yan)(yan)色(se)(se)(se)(se)。 2)清(qing)晰(xi)(xi)度(du):數(shu)字(zi)標(biao)識要(yao)清(qing)晰(xi)(xi),書寫要(yao)清(qing)晰(xi)(xi)。 3)內(nei)摩擦(ca)性:數(shu)字(zi)標(biao)識必(bi)須(xu)(xu)...
怎(zen)么保(bao)管和(he)運(yun)輸電(dian)(dian)線電(dian)(dian)纜呢?
作者: 發布(bu)時間:2023-06-05
眾所(suo)周知(zhi),電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)是(shi)我(wo)們(men)賴以(yi)(yi)生活的(de)(de)電(dian)(dian)(dian)(dian)(dian)力(li)支持,電(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)(de)敷(fu)設我(wo)們(men)更應(ying)該(gai)謹慎嚴(yan)行。電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)出(chu)現(xian)故障,造(zao)(zao)成(cheng)的(de)(de)麻煩是(shi)巨大(da),同(tong)時(shi)(shi)在(zai)一(yi)定程度(du)上造(zao)(zao)成(cheng)的(de)(de)經濟(ji)損(sun)失也是(shi)巨大(da)。所(suo)以(yi)(yi)在(zai)電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)(de)運輸(shu)和保管(guan)中(zhong)(zhong)更應(ying)該(gai)確(que)保安(an)全(quan)。那么電(dian)(dian)(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)(de)運輸(shu)和保管(guan)有(you)(you)哪些注意(yi)事(shi)項呢今天小(xiao)編就來給大(da)家詳(xiang)細介紹下(xia)。1.運輸(shu)中(zhong)(zhong)嚴(yan)禁(jin)從(cong)高處扔下(xia)電(dian)(dian)(dian)(dian)(dian)纜(lan)或(huo)裝有(you)(you)電(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)(de)電(dian)(dian)(dian)(dian)(dian)纜(lan)盤(pan)(pan),特別(bie)是(shi)在(zai)較低溫度(du)時(shi)(shi)(一(yi)般為(wei)5℃左右(you)及(ji)以(yi)(yi)下(xia)),扔、摔電(dian)(dian)(dian)(dian)(dian)纜(lan)將有(you)(you)可(ke)能導(dao)致絕(jue)緣、護(hu)套開裂。2.盡可(ke)能避免(mian)在(zai)露天以(yi)(yi)裸露方(fang)式存(cun)放(fang)電(dian)(dian)(dian)(dian)(dian)纜(lan),電(dian)(dian)(dian)(dian)(dian)纜(lan)盤(pan)(pan)不允許平放(fang)。3.吊裝包裝件(jian)時(shi)(shi),嚴(yan)禁(jin)幾(ji)盤(pan)(pan)同(tong)時(shi)(shi)吊裝。在(zai)車輛、船舶等運輸(shu)工具上,電(dian)(dian)(dian)(dian)(dian)纜(lan)盤(pan)(pan)要用合適(shi)方(fang)法(fa)加以(yi)(yi)固定,防(fang)止互相(xiang)碰撞或(huo)翻倒,宜以(yi)(yi)防(fang)止機械損(sun)傷電(dian)(dian)(dian)(dian)(dian)纜(lan)。4.電(dian)(dian)(dian)(dian)(dian)纜(lan)嚴(yan)禁(jin)...