一、電氣和電器有什么區別和聯系
電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)是以電(dian)(dian)(dian)(dian)(dian)(dian)能、電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)設(she)備(bei)和(he)(he)電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)技術為手(shou)段來創造、維持(chi)與改善限定空間和(he)(he)環境的(de)一(yi)門(men)科學。電(dian)(dian)(dian)(dian)(dian)(dian)器指凡是根(gen)據外(wai)界(jie)特(te)定的(de)信號(hao)和(he)(he)要求,自動或手(shou)動接通或斷開電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu),繼續或連續地改變電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)參數,實現對電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)的(de)切換、控制、保護、檢測及調(diao)節的(de)電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)設(she)備(bei)。電(dian)(dian)(dian)(dian)(dian)(dian)子和(he)(he)電(dian)(dian)(dian)(dian)(dian)(dian)器都屬于電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)。
二、電氣設備的防火措施
電(dian)氣(qi)(qi)火(huo)災通常(chang)是因(yin)為(wei)(wei)電(dian)氣(qi)(qi)設備(bei)的(de)(de)絕緣(yuan)老化、接頭松動、過(guo)載(zai)或短(duan)路(lu)等(deng)因(yin)素導致(zhi)過(guo)熱而引起的(de)(de),危害非(fei)常(chang)大。為(wei)(wei)防止電(dian)氣(qi)(qi)火(huo)災事(shi)故的(de)(de)發生,必須采取防火(huo)措施,下面簡(jian)單介紹一下:
1、經常檢查電氣設(she)備的運行(xing)情況,檢查接(jie)頭是(shi)(shi)否松(song)動,有無電火花發生,電氣設(she)備的過(guo)載、短路保護裝置性(xing)能是(shi)(shi)否可靠,設(she)備絕緣(yuan)是(shi)(shi)否良好。
2、合理選用(yong)電氣設(she)備,有易(yi)燃易(yi)爆物品的場(chang)所,安裝使用(yong)電氣設(she)備時,應選用(yong)防爆電器,絕緣導(dao)線必(bi)須(xu)密封敷設(she)于鋼管內。應按爆炸危險場(chang)所等級選用(yong)、安裝電器設(she)備。
3、保(bao)持安(an)(an)(an)全的(de)安(an)(an)(an)裝位(wei)置,保(bao)持必要(yao)的(de)安(an)(an)(an)全間距是電氣(qi)防(fang)火(huo)的(de)重要(yao)措(cuo)施之(zhi)一(yi)。為(wei)防(fang)止電氣(qi)火(huo)花和危(wei)險(xian)高溫引起(qi)火(huo)災,凡能(neng)產生(sheng)火(huo)花和危(wei)險(xian)高溫的(de)電氣(qi)設備周(zhou)圍不應(ying)堆放易燃易爆物(wu)品。
4、保持電氣設備正常運行,電氣品牌產品運行中產生(sheng)的火花和(he)(he)危險(xian)高溫(wen)是引起(qi)電氣(qi)火災的重要原(yuan)因(yin)。為(wei)控制(zhi)過大的工作火花和(he)(he)危險(xian)高溫(wen)。電氣(qi)設備(bei)應由經培(pei)訓考(kao)核(he)合格的人(ren)員操作使用(yong)和(he)(he)維護(hu)保養(yang)。
5、通風(feng)(feng),在易燃易爆(bao)危險場所運行的電氣設備,應有良好的通風(feng)(feng),以降低爆(bao)炸性混合物的濃度。其通風(feng)(feng)系統應符合有關要求。
6、接地(di),在易燃易爆危險(xian)場所的接地(di)比一般場所要(yao)求高。不(bu)論其電壓高低(di),正常不(bu)帶電裝(zhuang)置均應按有(you)關規定可靠(kao)接地(di)。