防爆(bao)加(jia)(jia)(jia)熱(re)(re)管是(shi)(shi)一(yi)種消耗電(dian)能轉換為熱(re)(re)能，來對需加(jia)(jia)(jia)熱(re)(re)物料(liao)進行(xing)加(jia)(jia)(jia)熱(re)(re)。防爆(bao)加(jia)(jia)(jia)熱(re)(re)管是(shi)(shi)由外(wai)(wai)(wai)到里外(wai)(wai)(wai)殼(ke)（不(bu)繡(xiu)鋼(gang)/碳鋼(gang)/銅/鈦材等(deng)、發熱(re)(re)絲（鎳鉻鉛合金）、填充物（氧化鎂，作(zuo)用是(shi)(shi)導熱(re)(re)、絕(jue)緣）、外(wai)(wai)(wai)殼(ke)（不(bu)繡(xiu)鋼(gang)、碳鋼(gang)、鈦材、銅  等(deng)）、陶瓷封頭（作(zuo)用：絕(jue)緣）、防爆(bao)盒組(zu)成的(de)。加(jia)(jia)(jia)熱(re)(re)管在工作(zuo)中(zhong)低溫流(liu)(liu)體(ti)(ti)介(jie)質通過(guo)管道(dao)在壓力(li)作(zuo)用下進入(ru)其輸入(ru)口，沿著電(dian)加(jia)(jia)(jia)熱(re)(re)容器(qi)內(nei)部特定換熱(re)(re)流(liu)(liu)道(dao)，運用空氣電(dian)熱(re)(re)管的(de)流(liu)(liu)體(ti)(ti)熱(re)(re)力(li)學原理設計的(de)路徑，帶走空氣加(jia)(jia)(jia)熱(re)(re)管中(zhong)的(de)電(dian)熱(re)(re)元件工作(zuo)中(zhong)所(suo)產生的(de)高溫熱(re)(re)能量，使空氣加(jia)(jia)(jia)熱(re)(re)管被加(jia)(jia)(jia)熱(re)(re)介(jie)質溫度(du)升(sheng)高，加(jia)(jia)(jia)熱(re)(re)管出口得到工藝要(yao)求(qiu)的(de)高溫介(jie)質。

產(chan)品(pin)特(te)點(dian)

1.升(sheng)(sheng)溫時(shi)(shi)間(jian)(jian)在試驗(yan)電壓下，元件從環境溫度升(sheng)(sheng)至(zhi)試驗(yan)溫度時(shi)(shi)間(jian)(jian)應(ying)不大于(yu)15min

2.額(e)定(ding)(ding)功(gong)(gong)率(lv)(lv)偏差(cha)(cha)在(zai)充(chong)分發(fa)熱的(de)條件(jian)(jian)下，元(yuan)(yuan)件(jian)(jian)的(de)額(e)定(ding)(ding)功(gong)(gong)率(lv)(lv)的(de)偏差(cha)(cha)應不(bu)超過(guo)下列(lie)規定(ding)(ding)的(de)范(fan)圍(wei);對額(e)定(ding)(ding)功(gong)(gong)率(lv)(lv)小于(yu)等(deng)于(yu)100W的(de)元(yuan)(yuan)件(jian)(jian)為:士10%。對額(e)定(ding)(ding)功(gong)(gong)率(lv)(lv)大(da)于(yu)100W的(de)元(yuan)(yuan)件(jian)(jian)為+5%~- 10%或(huo)10W,取兩者中的(de)較大(da)值。

3.泄(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)冷態(tai)(tai)泄(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)以及水壓(ya)和密封試(shi)驗后泄(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)應不超(chao)(chao)(chao)過(guo)0.5mA工作溫度(du)下的(de)(de)熱(re)態(tai)(tai)泄(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)應不超(chao)(chao)(chao)過(guo)公式中(zhong)(zhong)的(de)(de)計算值，但不超(chao)(chao)(chao)過(guo)5mA I=1/6 (tTX0.00001) I一 熱(re)態(tai)(tai)泄(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)mA t-發熱(re)長度(du)mm T-工作溫度(du)C多個元(yuan)件串聯到電(dian)(dian)(dian)(dian)源中(zhong)(zhong)時，應以這一組元(yuan)件為 整(zheng)體(ti)進行泄(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)試(shi)驗。

4. 絕(jue)緣電(dian)(dian)阻(zu)(zu)出廠檢驗時(shi)冷態(tai)絕(jue)緣電(dian)(dian)阻(zu)(zu)應(ying)(ying)不(bu)小于(yu)50MQ密封試驗后，長期存放或者使用后的絕(jue)緣電(dian)(dian)阻(zu)(zu)應(ying)(ying)不(bu)消與MQ工作溫度下的熱態(tai)絕(jue)緣電(dian)(dian)阻(zu)(zu)應(ying)(ying)不(bu)低于(yu)公式(shi)中的計算值，但應(ying)(ying)不(bu)小于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態(tai)絕(jue)緣電(dian)(dian)阻(zu)(zu)MQ t一-發(fa) 熱長度mmT一工作溫度°C

5.絕緣耐壓(ya)強度元件應(ying)在(zai)規定的試(shi)驗條(tiao)件和試(shi)驗電壓(ya)下保(bao)持1min,而(er)無閃(shan)絡(luo)和擊穿現象

6.經(jing)受通斷電的能(neng)力元件應能(neng)在規定的試(shi)驗(yan)(yan)條件下經(jing)歷(li)2000次(ci)通斷電試(shi)驗(yan)(yan)，而不發生損壞