防爆(bao)加(jia)(jia)熱(re)(re)管(guan)(guan)(guan)是(shi)(shi)(shi)一種消(xiao)耗電(dian)(dian)能轉換為熱(re)(re)能，來對需加(jia)(jia)熱(re)(re)物料(liao)進(jin)行加(jia)(jia)熱(re)(re)。防爆(bao)加(jia)(jia)熱(re)(re)管(guan)(guan)(guan)是(shi)(shi)(shi)由(you)外(wai)(wai)到里外(wai)(wai)殼（不(bu)繡(xiu)(xiu)鋼/碳鋼/銅/鈦(tai)材(cai)等(deng)、發熱(re)(re)絲（鎳鉻(ge)鉛合金）、填(tian)充物（氧化(hua)鎂，作用(yong)是(shi)(shi)(shi)導熱(re)(re)、絕(jue)緣(yuan)）、外(wai)(wai)殼（不(bu)繡(xiu)(xiu)鋼、碳鋼、鈦(tai)材(cai)、銅  等(deng)）、陶瓷(ci)封頭（作用(yong)：絕(jue)緣(yuan)）、防爆(bao)盒組成的(de)。加(jia)(jia)熱(re)(re)管(guan)(guan)(guan)在(zai)工(gong)作中(zhong)(zhong)低溫(wen)流體(ti)介質通過管(guan)(guan)(guan)道在(zai)壓(ya)力作用(yong)下進(jin)入其輸入口(kou)，沿(yan)著電(dian)(dian)加(jia)(jia)熱(re)(re)容(rong)器內部特定換熱(re)(re)流道，運(yun)用(yong)空(kong)氣(qi)電(dian)(dian)熱(re)(re)管(guan)(guan)(guan)的(de)流體(ti)熱(re)(re)力學(xue)原理(li)設(she)計的(de)路徑，帶(dai)走空(kong)氣(qi)加(jia)(jia)熱(re)(re)管(guan)(guan)(guan)中(zhong)(zhong)的(de)電(dian)(dian)熱(re)(re)元件(jian)工(gong)作中(zhong)(zhong)所產生的(de)高溫(wen)熱(re)(re)能量(liang)，使空(kong)氣(qi)加(jia)(jia)熱(re)(re)管(guan)(guan)(guan)被加(jia)(jia)熱(re)(re)介質溫(wen)度升高，加(jia)(jia)熱(re)(re)管(guan)(guan)(guan)出口(kou)得到工(gong)藝要求(qiu)的(de)高溫(wen)介質。

產品(pin)特點

1.升(sheng)(sheng)溫時(shi)間(jian)在試驗電壓下，元件(jian)從(cong)環(huan)境溫度升(sheng)(sheng)至(zhi)試驗溫度時(shi)間(jian)應不大于15min

2.額(e)定(ding)功(gong)(gong)(gong)率(lv)偏(pian)差在充(chong)分發熱的(de)條件(jian)下(xia)，元(yuan)件(jian)的(de)額(e)定(ding)功(gong)(gong)(gong)率(lv)的(de)偏(pian)差應不超過下(xia)列規定(ding)的(de)范圍;對額(e)定(ding)功(gong)(gong)(gong)率(lv)小于(yu)(yu)等于(yu)(yu)100W的(de)元(yuan)件(jian)為(wei):士10%。對額(e)定(ding)功(gong)(gong)(gong)率(lv)大于(yu)(yu)100W的(de)元(yuan)件(jian)為(wei)+5%~- 10%或10W,取兩者中的(de)較(jiao)大值。

3.泄(xie)(xie)露(lu)(lu)電(dian)(dian)(dian)流(liu)冷態(tai)(tai)泄(xie)(xie)露(lu)(lu)電(dian)(dian)(dian)流(liu)以及(ji)水壓和密封試驗后泄(xie)(xie)露(lu)(lu)電(dian)(dian)(dian)流(liu)應(ying)不(bu)(bu)超過0.5mA工作(zuo)溫度下的熱態(tai)(tai)泄(xie)(xie)露(lu)(lu)電(dian)(dian)(dian)流(liu)應(ying)不(bu)(bu)超過公(gong)式中的計算值，但(dan)不(bu)(bu)超過5mA I=1/6 (tTX0.00001) I一 熱態(tai)(tai)泄(xie)(xie)露(lu)(lu)電(dian)(dian)(dian)流(liu)mA t-發熱長(chang)度mm T-工作(zuo)溫度C多個元(yuan)件串(chuan)聯(lian)到電(dian)(dian)(dian)源中時，應(ying)以這一組元(yuan)件為 整(zheng)體進(jin)行泄(xie)(xie)露(lu)(lu)電(dian)(dian)(dian)流(liu)試驗。

4. 絕(jue)緣電(dian)阻(zu)(zu)出廠(chang)檢驗時冷態絕(jue)緣電(dian)阻(zu)(zu)應(ying)不小(xiao)于50MQ密封(feng)試驗后(hou)，長(chang)期存(cun)放或者使用(yong)后(hou)的(de)絕(jue)緣電(dian)阻(zu)(zu)應(ying)不消與MQ工作(zuo)(zuo)溫度(du)(du)下的(de)熱態絕(jue)緣電(dian)阻(zu)(zu)應(ying)不低于公式中的(de)計算值，但(dan)應(ying)不小(xiao)于1MQ R=「(10-0.015T) /t」X0.001 R熱態絕(jue)緣電(dian)阻(zu)(zu)MQ t一-發 熱長(chang)度(du)(du)mmT一工作(zuo)(zuo)溫度(du)(du)°C

5.絕緣耐壓(ya)強度元(yuan)件(jian)應在規定的試(shi)驗條件(jian)和(he)試(shi)驗電壓(ya)下保持1min,而無(wu)閃絡和(he)擊穿現象

6.經受通斷電的能力元(yuan)件應能在規定的試驗條(tiao)件下經歷2000次通斷電試驗，而不發生損壞