防(fang)爆(bao)(bao)加(jia)(jia)熱(re)(re)(re)(re)管是(shi)(shi)一種(zhong)消耗電(dian)能轉換為熱(re)(re)(re)(re)能，來對(dui)需(xu)加(jia)(jia)熱(re)(re)(re)(re)物料進(jin)行加(jia)(jia)熱(re)(re)(re)(re)。防(fang)爆(bao)(bao)加(jia)(jia)熱(re)(re)(re)(re)管是(shi)(shi)由外(wai)到里外(wai)殼（不(bu)繡鋼/碳鋼/銅/鈦(tai)材等、發熱(re)(re)(re)(re)絲（鎳鉻鉛合(he)金）、填充物（氧化鎂，作(zuo)用是(shi)(shi)導熱(re)(re)(re)(re)、絕緣）、外(wai)殼（不(bu)繡鋼、碳鋼、鈦(tai)材、銅  等）、陶瓷封頭（作(zuo)用：絕緣）、防(fang)爆(bao)(bao)盒組(zu)成的(de)。加(jia)(jia)熱(re)(re)(re)(re)管在工(gong)作(zuo)中(zhong)低溫(wen)流(liu)體介(jie)質通過管道在壓力作(zuo)用下進(jin)入其(qi)輸入口，沿著電(dian)加(jia)(jia)熱(re)(re)(re)(re)容器內部特定(ding)換熱(re)(re)(re)(re)流(liu)道，運用空氣電(dian)熱(re)(re)(re)(re)管的(de)流(liu)體熱(re)(re)(re)(re)力學原理(li)設計的(de)路(lu)徑，帶(dai)走空氣加(jia)(jia)熱(re)(re)(re)(re)管中(zhong)的(de)電(dian)熱(re)(re)(re)(re)元件(jian)工(gong)作(zuo)中(zhong)所產生(sheng)的(de)高(gao)溫(wen)熱(re)(re)(re)(re)能量，使空氣加(jia)(jia)熱(re)(re)(re)(re)管被加(jia)(jia)熱(re)(re)(re)(re)介(jie)質溫(wen)度(du)升高(gao)，加(jia)(jia)熱(re)(re)(re)(re)管出口得到工(gong)藝要求的(de)高(gao)溫(wen)介(jie)質。

產品特點(dian)

1.升溫(wen)時間在試(shi)驗電壓下，元(yuan)件(jian)從環境溫(wen)度升至試(shi)驗溫(wen)度時間應不大于15min

2.額(e)定(ding)(ding)(ding)功(gong)(gong)(gong)率(lv)偏差在充分發熱(re)的(de)(de)條件(jian)下(xia)，元件(jian)的(de)(de)額(e)定(ding)(ding)(ding)功(gong)(gong)(gong)率(lv)的(de)(de)偏差應(ying)不超過下(xia)列規定(ding)(ding)(ding)的(de)(de)范圍;對額(e)定(ding)(ding)(ding)功(gong)(gong)(gong)率(lv)小于等于100W的(de)(de)元件(jian)為(wei):士10%。對額(e)定(ding)(ding)(ding)功(gong)(gong)(gong)率(lv)大于100W的(de)(de)元件(jian)為(wei)+5%~- 10%或(huo)10W,取兩者(zhe)中的(de)(de)較大值。

3.泄(xie)露電(dian)(dian)(dian)流(liu)(liu)冷態(tai)泄(xie)露電(dian)(dian)(dian)流(liu)(liu)以及水壓和密封試(shi)驗后泄(xie)露電(dian)(dian)(dian)流(liu)(liu)應不超過(guo)0.5mA工(gong)作(zuo)溫度下(xia)的熱(re)態(tai)泄(xie)露電(dian)(dian)(dian)流(liu)(liu)應不超過(guo)公(gong)式中的計算值，但(dan)不超過(guo)5mA I=1/6 (tTX0.00001) I一(yi)(yi) 熱(re)態(tai)泄(xie)露電(dian)(dian)(dian)流(liu)(liu)mA t-發熱(re)長度mm T-工(gong)作(zuo)溫度C多(duo)個元件串(chuan)聯到電(dian)(dian)(dian)源中時(shi)，應以這一(yi)(yi)組元件為 整體進行泄(xie)露電(dian)(dian)(dian)流(liu)(liu)試(shi)驗。

4. 絕(jue)(jue)緣電阻出(chu)廠檢(jian)驗(yan)時冷態絕(jue)(jue)緣電阻應不小于50MQ密封試驗(yan)后，長(chang)期存放(fang)或者使用后的絕(jue)(jue)緣電阻應不消與(yu)MQ工作溫(wen)度下(xia)的熱(re)態絕(jue)(jue)緣電阻應不低于公式中的計算值，但應不小于1MQ R=「(10-0.015T) /t」X0.001 R熱(re)態絕(jue)(jue)緣電阻MQ t一-發 熱(re)長(chang)度mmT一工作溫(wen)度°C

5.絕緣耐壓強(qiang)度元件(jian)應在規(gui)定的試驗條件(jian)和試驗電壓下保持(chi)1min,而無閃絡和擊穿現象(xiang)

6.經受通(tong)斷電(dian)的能力(li)元件應能在規定的試驗(yan)條件下經歷2000次通(tong)斷電(dian)試驗(yan)，而不發生損(sun)壞