防(fang)(fang)爆(bao)加(jia)(jia)熱(re)(re)(re)(re)(re)管是一種消(xiao)耗電(dian)能轉換為熱(re)(re)(re)(re)(re)能，來對(dui)需加(jia)(jia)熱(re)(re)(re)(re)(re)物料進行加(jia)(jia)熱(re)(re)(re)(re)(re)。防(fang)(fang)爆(bao)加(jia)(jia)熱(re)(re)(re)(re)(re)管是由(you)外到(dao)里外殼（不繡鋼(gang)/碳(tan)鋼(gang)/銅/鈦材等(deng)、發熱(re)(re)(re)(re)(re)絲（鎳鉻鉛合金）、填充(chong)物（氧化鎂，作用是導熱(re)(re)(re)(re)(re)、絕緣(yuan)）、外殼（不繡鋼(gang)、碳(tan)鋼(gang)、鈦材、銅  等(deng)）、陶瓷封頭（作用：絕緣(yuan)）、防(fang)(fang)爆(bao)盒組成(cheng)的(de)(de)(de)。加(jia)(jia)熱(re)(re)(re)(re)(re)管在(zai)工作中低溫(wen)流體介(jie)質(zhi)通過管道在(zai)壓力作用下進入(ru)(ru)其輸入(ru)(ru)口，沿著電(dian)加(jia)(jia)熱(re)(re)(re)(re)(re)容器內部特定換熱(re)(re)(re)(re)(re)流道，運用空(kong)氣(qi)電(dian)熱(re)(re)(re)(re)(re)管的(de)(de)(de)流體熱(re)(re)(re)(re)(re)力學原理設計的(de)(de)(de)路徑，帶走空(kong)氣(qi)加(jia)(jia)熱(re)(re)(re)(re)(re)管中的(de)(de)(de)電(dian)熱(re)(re)(re)(re)(re)元(yuan)件工作中所(suo)產生的(de)(de)(de)高(gao)溫(wen)熱(re)(re)(re)(re)(re)能量，使空(kong)氣(qi)加(jia)(jia)熱(re)(re)(re)(re)(re)管被(bei)加(jia)(jia)熱(re)(re)(re)(re)(re)介(jie)質(zhi)溫(wen)度升高(gao)，加(jia)(jia)熱(re)(re)(re)(re)(re)管出口得到(dao)工藝(yi)要求的(de)(de)(de)高(gao)溫(wen)介(jie)質(zhi)。

產品特點

1.升(sheng)溫時(shi)間在試驗電(dian)壓下，元件從(cong)環境溫度升(sheng)至(zhi)試驗溫度時(shi)間應不大于(yu)15min

2.額定(ding)(ding)(ding)功(gong)率(lv)偏(pian)差(cha)在充(chong)分發熱的條件下(xia)，元件的額定(ding)(ding)(ding)功(gong)率(lv)的偏(pian)差(cha)應不超過下(xia)列規定(ding)(ding)(ding)的范圍;對額定(ding)(ding)(ding)功(gong)率(lv)小于等(deng)于100W的元件為:士10%。對額定(ding)(ding)(ding)功(gong)率(lv)大(da)于100W的元件為+5%~- 10%或10W,取(qu)兩者中的較大(da)值。

3.泄露電(dian)(dian)流冷態泄露電(dian)(dian)流以及水(shui)壓(ya)和密(mi)封試(shi)驗后(hou)泄露電(dian)(dian)流應(ying)(ying)不(bu)超(chao)(chao)過(guo)(guo)0.5mA工作溫度(du)下的(de)(de)熱(re)(re)態泄露電(dian)(dian)流應(ying)(ying)不(bu)超(chao)(chao)過(guo)(guo)公(gong)式(shi)中(zhong)的(de)(de)計(ji)算值，但不(bu)超(chao)(chao)過(guo)(guo)5mA I=1/6 (tTX0.00001) I一 熱(re)(re)態泄露電(dian)(dian)流mA t-發熱(re)(re)長度(du)mm T-工作溫度(du)C多(duo)個元(yuan)(yuan)件(jian)串聯到(dao)電(dian)(dian)源中(zhong)時，應(ying)(ying)以這一組元(yuan)(yuan)件(jian)為 整體進行泄露電(dian)(dian)流試(shi)驗。

4. 絕(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)(dian)阻出(chu)廠檢驗時冷態絕(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)(dian)阻應不(bu)小(xiao)于(yu)50MQ密封試驗后，長期(qi)存放或者使用后的(de)絕(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)(dian)阻應不(bu)消與MQ工(gong)作溫度(du)下的(de)熱態絕(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)(dian)阻應不(bu)低于(yu)公式(shi)中(zhong)的(de)計算值，但應不(bu)小(xiao)于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態絕(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)(dian)阻MQ t一-發 熱長度(du)mmT一工(gong)作溫度(du)°C

5.絕緣耐壓(ya)強度元件(jian)應在規定的試(shi)驗條件(jian)和(he)試(shi)驗電(dian)壓(ya)下保持1min,而無(wu)閃(shan)絡和(he)擊穿(chuan)現象

6.經(jing)受(shou)通斷電(dian)的能力元件應能在(zai)規定的試驗條(tiao)件下經(jing)歷2000次通斷電(dian)試驗，而不發生損壞