防爆加熱(re)(re)(re)(re)(re)管(guan)是(shi)(shi)(shi)一種消耗電(dian)(dian)能轉換(huan)為熱(re)(re)(re)(re)(re)能，來對需加熱(re)(re)(re)(re)(re)物料進行加熱(re)(re)(re)(re)(re)。防爆加熱(re)(re)(re)(re)(re)管(guan)是(shi)(shi)(shi)由外(wai)到里外(wai)殼(ke)（不繡(xiu)鋼/碳鋼/銅(tong)/鈦材等、發熱(re)(re)(re)(re)(re)絲（鎳鉻鉛合金）、填充物（氧化(hua)鎂，作(zuo)用(yong)(yong)是(shi)(shi)(shi)導熱(re)(re)(re)(re)(re)、絕緣）、外(wai)殼(ke)（不繡(xiu)鋼、碳鋼、鈦材、銅(tong)  等）、陶(tao)瓷封頭（作(zuo)用(yong)(yong)：絕緣）、防爆盒組成的。加熱(re)(re)(re)(re)(re)管(guan)在(zai)(zai)工作(zuo)中低溫(wen)(wen)流(liu)體(ti)介質通過管(guan)道在(zai)(zai)壓(ya)力(li)作(zuo)用(yong)(yong)下(xia)進入其輸入口(kou)，沿(yan)著(zhu)電(dian)(dian)加熱(re)(re)(re)(re)(re)容器內部(bu)特定(ding)換(huan)熱(re)(re)(re)(re)(re)流(liu)道，運用(yong)(yong)空(kong)氣(qi)電(dian)(dian)熱(re)(re)(re)(re)(re)管(guan)的流(liu)體(ti)熱(re)(re)(re)(re)(re)力(li)學(xue)原理設(she)計(ji)的路徑，帶走空(kong)氣(qi)加熱(re)(re)(re)(re)(re)管(guan)中的電(dian)(dian)熱(re)(re)(re)(re)(re)元件(jian)工作(zuo)中所(suo)產生的高(gao)(gao)溫(wen)(wen)熱(re)(re)(re)(re)(re)能量，使空(kong)氣(qi)加熱(re)(re)(re)(re)(re)管(guan)被加熱(re)(re)(re)(re)(re)介質溫(wen)(wen)度升高(gao)(gao)，加熱(re)(re)(re)(re)(re)管(guan)出口(kou)得到工藝要求的高(gao)(gao)溫(wen)(wen)介質。

產品(pin)特點

1.升溫時間在(zai)試驗(yan)電壓(ya)下(xia)，元件從環境溫度升至試驗(yan)溫度時間應不大于15min

2.額(e)(e)定(ding)(ding)功率(lv)偏(pian)差在充分(fen)發(fa)熱的(de)(de)條(tiao)件(jian)下，元(yuan)(yuan)件(jian)的(de)(de)額(e)(e)定(ding)(ding)功率(lv)的(de)(de)偏(pian)差應(ying)不(bu)超過下列規(gui)定(ding)(ding)的(de)(de)范圍(wei);對額(e)(e)定(ding)(ding)功率(lv)小于(yu)等于(yu)100W的(de)(de)元(yuan)(yuan)件(jian)為:士10%。對額(e)(e)定(ding)(ding)功率(lv)大(da)于(yu)100W的(de)(de)元(yuan)(yuan)件(jian)為+5%~- 10%或(huo)10W,取兩者(zhe)中(zhong)的(de)(de)較大(da)值。

3.泄露(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)冷(leng)態泄露(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)以及水壓(ya)和密封試(shi)驗后泄露(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)應(ying)(ying)不(bu)超過(guo)0.5mA工作溫度下的熱(re)(re)態泄露(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)應(ying)(ying)不(bu)超過(guo)公式中(zhong)的計(ji)算值，但不(bu)超過(guo)5mA I=1/6 (tTX0.00001) I一(yi) 熱(re)(re)態泄露(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)mA t-發熱(re)(re)長度mm T-工作溫度C多(duo)個元件串聯到(dao)電(dian)(dian)(dian)(dian)源(yuan)中(zhong)時，應(ying)(ying)以這一(yi)組元件為 整體進行泄露(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流(liu)(liu)試(shi)驗。

4. 絕(jue)緣(yuan)(yuan)電(dian)阻出廠檢(jian)驗時冷態(tai)絕(jue)緣(yuan)(yuan)電(dian)阻應不(bu)小于(yu)50MQ密封試驗后(hou)，長期存放或者使用后(hou)的絕(jue)緣(yuan)(yuan)電(dian)阻應不(bu)消(xiao)與MQ工(gong)作(zuo)溫度(du)下的熱態(tai)絕(jue)緣(yuan)(yuan)電(dian)阻應不(bu)低于(yu)公(gong)式中(zhong)的計算值，但應不(bu)小于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態(tai)絕(jue)緣(yuan)(yuan)電(dian)阻MQ t一(yi)-發 熱長度(du)mmT一(yi)工(gong)作(zuo)溫度(du)°C

5.絕緣耐壓(ya)強度元(yuan)件應(ying)在(zai)規定的(de)試(shi)(shi)驗(yan)條件和試(shi)(shi)驗(yan)電壓(ya)下保持(chi)1min,而無閃絡和擊穿(chuan)現象

6.經(jing)受通斷電(dian)的能力元件應能在規定的試(shi)驗條(tiao)件下(xia)經(jing)歷(li)2000次通斷電(dian)試(shi)驗，而不發生損壞(huai)