防(fang)爆(bao)加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)是一(yi)種(zhong)消耗(hao)電(dian)(dian)能轉換(huan)為熱(re)(re)(re)(re)能，來對需(xu)加(jia)(jia)熱(re)(re)(re)(re)物(wu)料進(jin)行加(jia)(jia)熱(re)(re)(re)(re)。防(fang)爆(bao)加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)是由外(wai)到里外(wai)殼(ke)（不(bu)(bu)繡(xiu)(xiu)鋼(gang)(gang)/碳鋼(gang)(gang)/銅(tong)/鈦材等(deng)、發熱(re)(re)(re)(re)絲（鎳鉻鉛合金）、填充(chong)物(wu)（氧化(hua)鎂，作用(yong)(yong)是導熱(re)(re)(re)(re)、絕(jue)(jue)緣(yuan)）、外(wai)殼(ke)（不(bu)(bu)繡(xiu)(xiu)鋼(gang)(gang)、碳鋼(gang)(gang)、鈦材、銅(tong)  等(deng)）、陶瓷封頭（作用(yong)(yong)：絕(jue)(jue)緣(yuan)）、防(fang)爆(bao)盒組成(cheng)的。加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)在工作中(zhong)低溫(wen)(wen)流體(ti)介質(zhi)通過管(guan)(guan)(guan)(guan)道在壓力作用(yong)(yong)下(xia)進(jin)入其輸入口，沿(yan)著電(dian)(dian)加(jia)(jia)熱(re)(re)(re)(re)容(rong)器內部特定換(huan)熱(re)(re)(re)(re)流道，運(yun)用(yong)(yong)空(kong)氣電(dian)(dian)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)的流體(ti)熱(re)(re)(re)(re)力學原(yuan)理設計的路(lu)徑，帶走空(kong)氣加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)中(zhong)的電(dian)(dian)熱(re)(re)(re)(re)元(yuan)件工作中(zhong)所產生的高(gao)(gao)(gao)溫(wen)(wen)熱(re)(re)(re)(re)能量，使空(kong)氣加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)被(bei)加(jia)(jia)熱(re)(re)(re)(re)介質(zhi)溫(wen)(wen)度升高(gao)(gao)(gao)，加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)(guan)出(chu)口得(de)到工藝要求的高(gao)(gao)(gao)溫(wen)(wen)介質(zhi)。

產品(pin)特點

1.升溫時間在試(shi)驗(yan)電(dian)壓下，元(yuan)件從環境溫度升至試(shi)驗(yan)溫度時間應不(bu)大(da)于15min

2.額(e)定(ding)(ding)功率(lv)(lv)偏(pian)差(cha)在充(chong)分發(fa)熱的(de)條件(jian)下，元(yuan)件(jian)的(de)額(e)定(ding)(ding)功率(lv)(lv)的(de)偏(pian)差(cha)應不超(chao)過(guo)下列規定(ding)(ding)的(de)范圍(wei);對額(e)定(ding)(ding)功率(lv)(lv)小于等于100W的(de)元(yuan)件(jian)為:士10%。對額(e)定(ding)(ding)功率(lv)(lv)大(da)于100W的(de)元(yuan)件(jian)為+5%~- 10%或10W,取兩(liang)者中的(de)較大(da)值(zhi)。

3.泄(xie)露(lu)電(dian)(dian)流(liu)冷態(tai)泄(xie)露(lu)電(dian)(dian)流(liu)以及(ji)水壓和密封試驗后泄(xie)露(lu)電(dian)(dian)流(liu)應(ying)不超(chao)過(guo)0.5mA工(gong)作溫度(du)(du)下(xia)的(de)熱(re)態(tai)泄(xie)露(lu)電(dian)(dian)流(liu)應(ying)不超(chao)過(guo)公(gong)式中的(de)計算值，但不超(chao)過(guo)5mA I=1/6 (tTX0.00001) I一 熱(re)態(tai)泄(xie)露(lu)電(dian)(dian)流(liu)mA t-發熱(re)長度(du)(du)mm T-工(gong)作溫度(du)(du)C多個(ge)元(yuan)件串聯到(dao)電(dian)(dian)源中時，應(ying)以這(zhe)一組元(yuan)件為 整(zheng)體進(jin)行泄(xie)露(lu)電(dian)(dian)流(liu)試驗。

4. 絕緣(yuan)(yuan)電(dian)阻(zu)出廠檢驗時冷(leng)態絕緣(yuan)(yuan)電(dian)阻(zu)應(ying)不(bu)小于50MQ密封(feng)試驗后，長期存放(fang)或(huo)者使用后的(de)絕緣(yuan)(yuan)電(dian)阻(zu)應(ying)不(bu)消與MQ工作溫度下的(de)熱(re)態絕緣(yuan)(yuan)電(dian)阻(zu)應(ying)不(bu)低(di)于公式中的(de)計算值，但應(ying)不(bu)小于1MQ R=「(10-0.015T) /t」X0.001 R熱(re)態絕緣(yuan)(yuan)電(dian)阻(zu)MQ t一(yi)(yi)-發 熱(re)長度mmT一(yi)(yi)工作溫度°C

5.絕緣耐壓強度元件應在規定的試(shi)驗條件和(he)試(shi)驗電壓下保持(chi)1min,而無閃絡和(he)擊(ji)穿現象

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