防爆(bao)加(jia)熱(re)(re)(re)管(guan)是(shi)一種消(xiao)耗電(dian)能轉換(huan)為(wei)熱(re)(re)(re)能，來(lai)對需加(jia)熱(re)(re)(re)物料進(jin)行加(jia)熱(re)(re)(re)。防爆(bao)加(jia)熱(re)(re)(re)管(guan)是(shi)由(you)外(wai)(wai)到(dao)里外(wai)(wai)殼(ke)（不繡鋼(gang)(gang)/碳鋼(gang)(gang)/銅(tong)/鈦材(cai)等、發熱(re)(re)(re)絲（鎳鉻鉛合金(jin)）、填(tian)充物（氧化鎂，作(zuo)(zuo)用(yong)(yong)是(shi)導熱(re)(re)(re)、絕緣(yuan)）、外(wai)(wai)殼(ke)（不繡鋼(gang)(gang)、碳鋼(gang)(gang)、鈦材(cai)、銅(tong)  等）、陶瓷封頭（作(zuo)(zuo)用(yong)(yong)：絕緣(yuan)）、防爆(bao)盒(he)組成的(de)(de)。加(jia)熱(re)(re)(re)管(guan)在工(gong)作(zuo)(zuo)中(zhong)低溫(wen)(wen)流體(ti)介質(zhi)通過管(guan)道在壓力作(zuo)(zuo)用(yong)(yong)下(xia)進(jin)入其輸入口(kou)，沿(yan)著電(dian)加(jia)熱(re)(re)(re)容器內部特定換(huan)熱(re)(re)(re)流道，運用(yong)(yong)空(kong)氣(qi)電(dian)熱(re)(re)(re)管(guan)的(de)(de)流體(ti)熱(re)(re)(re)力學原理設(she)計的(de)(de)路徑，帶走空(kong)氣(qi)加(jia)熱(re)(re)(re)管(guan)中(zhong)的(de)(de)電(dian)熱(re)(re)(re)元件工(gong)作(zuo)(zuo)中(zhong)所產生的(de)(de)高(gao)溫(wen)(wen)熱(re)(re)(re)能量，使(shi)空(kong)氣(qi)加(jia)熱(re)(re)(re)管(guan)被(bei)加(jia)熱(re)(re)(re)介質(zhi)溫(wen)(wen)度(du)升(sheng)高(gao)，加(jia)熱(re)(re)(re)管(guan)出(chu)口(kou)得到(dao)工(gong)藝要求的(de)(de)高(gao)溫(wen)(wen)介質(zhi)。

產品(pin)特點

1.升(sheng)溫(wen)時(shi)間在試(shi)驗電(dian)壓下，元(yuan)件從環境(jing)溫(wen)度升(sheng)至(zhi)試(shi)驗溫(wen)度時(shi)間應不大于15min

2.額(e)定功(gong)率(lv)偏(pian)差(cha)在充(chong)分發熱的(de)條(tiao)件(jian)(jian)下(xia)，元件(jian)(jian)的(de)額(e)定功(gong)率(lv)的(de)偏(pian)差(cha)應不超過下(xia)列規定的(de)范圍;對額(e)定功(gong)率(lv)小于等于100W的(de)元件(jian)(jian)為:士10%。對額(e)定功(gong)率(lv)大于100W的(de)元件(jian)(jian)為+5%~- 10%或10W,取兩者中的(de)較大值(zhi)。

3.泄(xie)露(lu)電(dian)(dian)(dian)(dian)(dian)流(liu)冷態泄(xie)露(lu)電(dian)(dian)(dian)(dian)(dian)流(liu)以及水(shui)壓和密封試驗后(hou)泄(xie)露(lu)電(dian)(dian)(dian)(dian)(dian)流(liu)應(ying)不(bu)超過0.5mA工作溫度(du)下(xia)的熱態泄(xie)露(lu)電(dian)(dian)(dian)(dian)(dian)流(liu)應(ying)不(bu)超過公式中(zhong)的計(ji)算值，但不(bu)超過5mA I=1/6 (tTX0.00001) I一 熱態泄(xie)露(lu)電(dian)(dian)(dian)(dian)(dian)流(liu)mA t-發熱長度(du)mm T-工作溫度(du)C多個元件串聯(lian)到電(dian)(dian)(dian)(dian)(dian)源中(zhong)時(shi)，應(ying)以這一組元件為(wei) 整體進行泄(xie)露(lu)電(dian)(dian)(dian)(dian)(dian)流(liu)試驗。

4. 絕(jue)緣(yuan)(yuan)電阻出廠檢驗時冷態(tai)(tai)絕(jue)緣(yuan)(yuan)電阻應(ying)(ying)(ying)不小(xiao)于(yu)(yu)50MQ密封試驗后，長期存放或(huo)者(zhe)使用后的絕(jue)緣(yuan)(yuan)電阻應(ying)(ying)(ying)不消(xiao)與MQ工(gong)作溫度(du)下的熱態(tai)(tai)絕(jue)緣(yuan)(yuan)電阻應(ying)(ying)(ying)不低于(yu)(yu)公式中的計算值，但(dan)應(ying)(ying)(ying)不小(xiao)于(yu)(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態(tai)(tai)絕(jue)緣(yuan)(yuan)電阻MQ t一-發(fa) 熱長度(du)mmT一工(gong)作溫度(du)°C

5.絕緣(yuan)耐(nai)壓強度(du)元件應在規定的試驗條件和(he)試驗電(dian)壓下保持1min,而無(wu)閃絡和(he)擊(ji)穿現(xian)象

6.經受(shou)通斷電的能力元件(jian)應能在規定的試驗條件(jian)下(xia)經歷2000次通斷電試驗，而不發(fa)生損壞(huai)