防爆(bao)(bao)加(jia)熱(re)(re)管(guan)(guan)(guan)是一種消(xiao)耗電能(neng)轉換為熱(re)(re)能(neng)，來對需加(jia)熱(re)(re)物料進(jin)(jin)行加(jia)熱(re)(re)。防爆(bao)(bao)加(jia)熱(re)(re)管(guan)(guan)(guan)是由外到(dao)(dao)里外殼（不繡(xiu)鋼/碳鋼/銅/鈦材等(deng)、發熱(re)(re)絲（鎳鉻鉛合金）、填充(chong)物（氧化鎂(mei)，作用(yong)是導熱(re)(re)、絕(jue)(jue)緣(yuan)）、外殼（不繡(xiu)鋼、碳鋼、鈦材、銅  等(deng)）、陶瓷封頭（作用(yong)：絕(jue)(jue)緣(yuan)）、防爆(bao)(bao)盒(he)組成的(de)(de)。加(jia)熱(re)(re)管(guan)(guan)(guan)在(zai)工(gong)作中低(di)溫(wen)(wen)流體介(jie)質通過管(guan)(guan)(guan)道在(zai)壓力作用(yong)下進(jin)(jin)入(ru)其輸入(ru)口(kou)，沿著(zhu)電加(jia)熱(re)(re)容器內部特(te)定換熱(re)(re)流道，運(yun)用(yong)空(kong)氣(qi)電熱(re)(re)管(guan)(guan)(guan)的(de)(de)流體熱(re)(re)力學(xue)原理設計的(de)(de)路(lu)徑(jing)，帶走(zou)空(kong)氣(qi)加(jia)熱(re)(re)管(guan)(guan)(guan)中的(de)(de)電熱(re)(re)元(yuan)件工(gong)作中所產(chan)生(sheng)的(de)(de)高溫(wen)(wen)熱(re)(re)能(neng)量，使(shi)空(kong)氣(qi)加(jia)熱(re)(re)管(guan)(guan)(guan)被(bei)加(jia)熱(re)(re)介(jie)質溫(wen)(wen)度升高，加(jia)熱(re)(re)管(guan)(guan)(guan)出口(kou)得到(dao)(dao)工(gong)藝要(yao)求的(de)(de)高溫(wen)(wen)介(jie)質。

產(chan)品特點

1.升(sheng)溫(wen)時(shi)間在(zai)試驗電壓(ya)下，元件從(cong)環境溫(wen)度升(sheng)至試驗溫(wen)度時(shi)間應不大于15min

2.額定(ding)(ding)功(gong)率偏差(cha)在充(chong)分發熱的(de)(de)(de)(de)條(tiao)件(jian)下(xia)，元(yuan)件(jian)的(de)(de)(de)(de)額定(ding)(ding)功(gong)率的(de)(de)(de)(de)偏差(cha)應(ying)不超(chao)過下(xia)列規定(ding)(ding)的(de)(de)(de)(de)范(fan)圍;對額定(ding)(ding)功(gong)率小于等于100W的(de)(de)(de)(de)元(yuan)件(jian)為:士(shi)10%。對額定(ding)(ding)功(gong)率大(da)(da)于100W的(de)(de)(de)(de)元(yuan)件(jian)為+5%~- 10%或(huo)10W,取(qu)兩者中(zhong)的(de)(de)(de)(de)較(jiao)大(da)(da)值。

3.泄(xie)(xie)露(lu)電(dian)(dian)(dian)流(liu)冷態泄(xie)(xie)露(lu)電(dian)(dian)(dian)流(liu)以及水壓和(he)密(mi)封試驗后泄(xie)(xie)露(lu)電(dian)(dian)(dian)流(liu)應不超(chao)過(guo)0.5mA工(gong)作溫(wen)度下的熱(re)態泄(xie)(xie)露(lu)電(dian)(dian)(dian)流(liu)應不超(chao)過(guo)公式(shi)中的計算值，但(dan)不超(chao)過(guo)5mA I=1/6 (tTX0.00001) I一 熱(re)態泄(xie)(xie)露(lu)電(dian)(dian)(dian)流(liu)mA t-發熱(re)長度mm T-工(gong)作溫(wen)度C多個元(yuan)件串聯到(dao)電(dian)(dian)(dian)源中時，應以這一組元(yuan)件為 整體(ti)進(jin)行泄(xie)(xie)露(lu)電(dian)(dian)(dian)流(liu)試驗。

4. 絕(jue)緣(yuan)電(dian)阻(zu)出(chu)廠檢(jian)驗時冷態(tai)絕(jue)緣(yuan)電(dian)阻(zu)應(ying)(ying)不小于(yu)50MQ密封試驗后(hou)，長期(qi)存放或(huo)者(zhe)使用(yong)后(hou)的絕(jue)緣(yuan)電(dian)阻(zu)應(ying)(ying)不消與MQ工作溫度下的熱態(tai)絕(jue)緣(yuan)電(dian)阻(zu)應(ying)(ying)不低(di)于(yu)公式中的計算值，但(dan)應(ying)(ying)不小于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態(tai)絕(jue)緣(yuan)電(dian)阻(zu)MQ t一-發(fa) 熱長度mmT一工作溫度°C

5.絕緣耐壓強度(du)元件應(ying)在規定的試(shi)驗(yan)條件和(he)試(shi)驗(yan)電壓下保持1min,而無閃絡(luo)和(he)擊穿現象

6.經(jing)受通斷(duan)電(dian)(dian)的能(neng)力元(yuan)件應能(neng)在規定的試驗(yan)條件下經(jing)歷2000次通斷(duan)電(dian)(dian)試驗(yan)，而不發生損壞