防爆加(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)是(shi)(shi)一種消(xiao)耗電(dian)能轉換為熱(re)(re)(re)(re)能，來對(dui)需(xu)加(jia)熱(re)(re)(re)(re)物料進行加(jia)熱(re)(re)(re)(re)。防爆加(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)是(shi)(shi)由(you)外到(dao)里外殼(ke)（不(bu)繡(xiu)鋼(gang)/碳(tan)鋼(gang)/銅/鈦材(cai)等、發熱(re)(re)(re)(re)絲(si)（鎳(nie)鉻鉛合金）、填充物（氧化鎂(mei)，作用(yong)(yong)是(shi)(shi)導熱(re)(re)(re)(re)、絕緣(yuan)）、外殼(ke)（不(bu)繡(xiu)鋼(gang)、碳(tan)鋼(gang)、鈦材(cai)、銅  等）、陶瓷封頭（作用(yong)(yong)：絕緣(yuan)）、防爆盒組成的(de)(de)。加(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)在工(gong)(gong)作中(zhong)低溫(wen)(wen)流體介(jie)質(zhi)通過(guo)管(guan)(guan)(guan)道(dao)在壓力作用(yong)(yong)下進入(ru)其輸入(ru)口，沿著電(dian)加(jia)熱(re)(re)(re)(re)容器內(nei)部特定換熱(re)(re)(re)(re)流道(dao)，運(yun)用(yong)(yong)空(kong)氣電(dian)熱(re)(re)(re)(re)管(guan)(guan)(guan)的(de)(de)流體熱(re)(re)(re)(re)力學原理設計的(de)(de)路徑，帶(dai)走空(kong)氣加(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)中(zhong)的(de)(de)電(dian)熱(re)(re)(re)(re)元(yuan)件工(gong)(gong)作中(zhong)所產生(sheng)的(de)(de)高(gao)溫(wen)(wen)熱(re)(re)(re)(re)能量(liang)，使空(kong)氣加(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)被加(jia)熱(re)(re)(re)(re)介(jie)質(zhi)溫(wen)(wen)度升高(gao)，加(jia)熱(re)(re)(re)(re)管(guan)(guan)(guan)出口得(de)到(dao)工(gong)(gong)藝要(yao)求的(de)(de)高(gao)溫(wen)(wen)介(jie)質(zhi)。

產品特點

1.升溫時間(jian)在(zai)試驗電(dian)壓下，元件從環境溫度(du)升至試驗溫度(du)時間(jian)應不大(da)于15min

2.額(e)定(ding)功(gong)率(lv)偏差(cha)在充分(fen)發(fa)熱(re)的(de)條(tiao)件(jian)下(xia)，元(yuan)件(jian)的(de)額(e)定(ding)功(gong)率(lv)的(de)偏差(cha)應不超(chao)過下(xia)列規定(ding)的(de)范圍;對額(e)定(ding)功(gong)率(lv)小于(yu)等于(yu)100W的(de)元(yuan)件(jian)為:士10%。對額(e)定(ding)功(gong)率(lv)大(da)于(yu)100W的(de)元(yuan)件(jian)為+5%~- 10%或(huo)10W,取兩(liang)者(zhe)中的(de)較(jiao)大(da)值。

3.泄(xie)露電(dian)(dian)(dian)(dian)流冷態(tai)泄(xie)露電(dian)(dian)(dian)(dian)流以及水壓和密封試驗后泄(xie)露電(dian)(dian)(dian)(dian)流應不超過0.5mA工作(zuo)溫度(du)下的熱(re)(re)態(tai)泄(xie)露電(dian)(dian)(dian)(dian)流應不超過公式中的計算值，但不超過5mA I=1/6 (tTX0.00001) I一(yi)(yi) 熱(re)(re)態(tai)泄(xie)露電(dian)(dian)(dian)(dian)流mA t-發熱(re)(re)長度(du)mm T-工作(zuo)溫度(du)C多(duo)個元件串(chuan)聯到電(dian)(dian)(dian)(dian)源(yuan)中時，應以這一(yi)(yi)組元件為 整(zheng)體(ti)進行(xing)泄(xie)露電(dian)(dian)(dian)(dian)流試驗。

4. 絕(jue)(jue)緣(yuan)(yuan)電(dian)阻出廠檢(jian)驗時冷態絕(jue)(jue)緣(yuan)(yuan)電(dian)阻應(ying)不小于(yu)50MQ密封試驗后，長期存(cun)放或者使用后的絕(jue)(jue)緣(yuan)(yuan)電(dian)阻應(ying)不消與(yu)MQ工(gong)(gong)作溫(wen)度(du)下的熱態絕(jue)(jue)緣(yuan)(yuan)電(dian)阻應(ying)不低于(yu)公式中的計算值，但應(ying)不小于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態絕(jue)(jue)緣(yuan)(yuan)電(dian)阻MQ t一-發 熱長度(du)mmT一工(gong)(gong)作溫(wen)度(du)°C

5.絕(jue)緣耐壓強度(du)元件(jian)應在規定的試(shi)驗條件(jian)和試(shi)驗電壓下保(bao)持1min,而無(wu)閃(shan)絡和擊穿現象

6.經(jing)受(shou)通(tong)斷電(dian)(dian)的能(neng)力元件應能(neng)在(zai)規(gui)定的試驗條(tiao)件下(xia)經(jing)歷(li)2000次通(tong)斷電(dian)(dian)試驗，而不發生損(sun)壞