一、電氣和電器有什么區別和聯系
電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)是以電(dian)(dian)(dian)(dian)(dian)(dian)能、電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)設備和電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)技術為手段來創造、維持與改善限定空間和環(huan)境的(de)一門科學。電(dian)(dian)(dian)(dian)(dian)(dian)器指(zhi)凡是根據(ju)外界特定的(de)信號和要求,自動(dong)或(huo)手動(dong)接(jie)通(tong)或(huo)斷開電(dian)(dian)(dian)(dian)(dian)(dian)路,繼(ji)續(xu)或(huo)連續(xu)地(di)改變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)路參(can)數,實現(xian)對電(dian)(dian)(dian)(dian)(dian)(dian)路的(de)切(qie)換、控制、保(bao)護、檢測及調節(jie)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)設備。電(dian)(dian)(dian)(dian)(dian)(dian)子和電(dian)(dian)(dian)(dian)(dian)(dian)器都屬于電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)。
二、電氣設備的防火措施
電(dian)氣火災通常(chang)是因為電(dian)氣設備的絕緣老(lao)化、接(jie)頭松動、過載或短(duan)路(lu)等因素導(dao)致(zhi)過熱而引(yin)起的,危(wei)害非(fei)常(chang)大。為防止電(dian)氣火災事故的發生,必須采取防火措施,下面簡單介(jie)紹一下:
1、經常檢(jian)查電氣設備的運(yun)行(xing)情(qing)況(kuang),檢(jian)查接頭是(shi)否(fou)松動,有無電火(huo)花發生,電氣設備的過載、短路保護(hu)裝置性能是(shi)否(fou)可靠,設備絕(jue)緣是(shi)否(fou)良好(hao)。
2、合(he)理選用(yong)電氣設備(bei),有易燃易爆物品的場所(suo),安裝使用(yong)電氣設備(bei)時,應(ying)(ying)選用(yong)防爆電器,絕緣導(dao)線必須密封敷(fu)設于鋼(gang)管內。應(ying)(ying)按爆炸危險場所(suo)等級選用(yong)、安裝電器設備(bei)。
3、保(bao)持(chi)安(an)(an)全的安(an)(an)裝(zhuang)位置(zhi),保(bao)持(chi)必要(yao)的安(an)(an)全間距是(shi)電(dian)氣(qi)防火的重要(yao)措施之一。為(wei)防止電(dian)氣(qi)火花(hua)和危險(xian)高溫(wen)(wen)引起火災,凡能(neng)產(chan)生火花(hua)和危險(xian)高溫(wen)(wen)的電(dian)氣(qi)設備周圍不應(ying)堆放易燃易爆物品。
4、保持電氣設備正常運行,電氣品牌產品運(yun)行(xing)中產生(sheng)的(de)(de)火(huo)花和(he)危(wei)險高(gao)溫是引(yin)起電氣(qi)火(huo)災的(de)(de)重要原因。為控制過大的(de)(de)工作(zuo)火(huo)花和(he)危(wei)險高(gao)溫。電氣(qi)設(she)備應由經培訓考(kao)核合格的(de)(de)人員操作(zuo)使用和(he)維護保養。
5、通風,在易燃易爆危險場所運行的(de)(de)電氣設備(bei),應有良好(hao)的(de)(de)通風,以降低爆炸性混(hun)合(he)物的(de)(de)濃度。其通風系(xi)統應符合(he)有關要(yao)求。
6、接(jie)(jie)地(di),在易燃易爆危險場所的接(jie)(jie)地(di)比一般場所要(yao)求高。不(bu)論其電壓高低,正常不(bu)帶電裝置均應按有關規定(ding)可(ke)靠接(jie)(jie)地(di)。