防爆(bao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)是一種(zhong)消耗電能(neng)轉(zhuan)換(huan)為(wei)熱(re)(re)(re)能(neng)，來對需(xu)加(jia)(jia)(jia)(jia)熱(re)(re)(re)物料進(jin)行加(jia)(jia)(jia)(jia)熱(re)(re)(re)。防爆(bao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)是由(you)外(wai)到里外(wai)殼（不繡鋼(gang)/碳鋼(gang)/銅(tong)/鈦材等、發熱(re)(re)(re)絲（鎳鉻鉛合金(jin)）、填充物（氧化鎂，作(zuo)用(yong)是導熱(re)(re)(re)、絕(jue)(jue)緣(yuan)(yuan)）、外(wai)殼（不繡鋼(gang)、碳鋼(gang)、鈦材、銅(tong)  等）、陶瓷封頭（作(zuo)用(yong)：絕(jue)(jue)緣(yuan)(yuan)）、防爆(bao)盒組成(cheng)的。加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)在(zai)工作(zuo)中低溫(wen)流體介質(zhi)(zhi)通(tong)過管(guan)(guan)道在(zai)壓力(li)作(zuo)用(yong)下進(jin)入(ru)(ru)其輸入(ru)(ru)口，沿著電加(jia)(jia)(jia)(jia)熱(re)(re)(re)容(rong)器內(nei)部特定換(huan)熱(re)(re)(re)流道，運用(yong)空(kong)氣電熱(re)(re)(re)管(guan)(guan)的流體熱(re)(re)(re)力(li)學(xue)原理設計的路徑，帶走空(kong)氣加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)中的電熱(re)(re)(re)元件工作(zuo)中所(suo)產生的高溫(wen)熱(re)(re)(re)能(neng)量，使空(kong)氣加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)被加(jia)(jia)(jia)(jia)熱(re)(re)(re)介質(zhi)(zhi)溫(wen)度升高，加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)出口得(de)到工藝要(yao)求的高溫(wen)介質(zhi)(zhi)。

產品特點

1.升(sheng)溫時間(jian)在試驗(yan)電壓下，元件從環境溫度升(sheng)至試驗(yan)溫度時間(jian)應(ying)不大于15min

2.額(e)定(ding)功(gong)率偏差在充分發(fa)熱(re)的(de)條件(jian)(jian)(jian)下，元(yuan)件(jian)(jian)(jian)的(de)額(e)定(ding)功(gong)率的(de)偏差應不超(chao)過下列規定(ding)的(de)范圍;對(dui)額(e)定(ding)功(gong)率小(xiao)于等(deng)于100W的(de)元(yuan)件(jian)(jian)(jian)為:士10%。對(dui)額(e)定(ding)功(gong)率大(da)于100W的(de)元(yuan)件(jian)(jian)(jian)為+5%~- 10%或10W,取兩者(zhe)中的(de)較大(da)值。

3.泄(xie)(xie)(xie)露電(dian)(dian)(dian)流(liu)冷態(tai)泄(xie)(xie)(xie)露電(dian)(dian)(dian)流(liu)以(yi)(yi)及水壓(ya)和密封試驗后泄(xie)(xie)(xie)露電(dian)(dian)(dian)流(liu)應不(bu)超過0.5mA工(gong)作溫度(du)下的熱態(tai)泄(xie)(xie)(xie)露電(dian)(dian)(dian)流(liu)應不(bu)超過公(gong)式中的計算值，但不(bu)超過5mA I=1/6 (tTX0.00001) I一 熱態(tai)泄(xie)(xie)(xie)露電(dian)(dian)(dian)流(liu)mA t-發熱長(chang)度(du)mm T-工(gong)作溫度(du)C多個(ge)元件串聯(lian)到電(dian)(dian)(dian)源中時(shi)，應以(yi)(yi)這一組(zu)元件為 整體進行泄(xie)(xie)(xie)露電(dian)(dian)(dian)流(liu)試驗。

4. 絕緣(yuan)(yuan)電(dian)(dian)阻(zu)出(chu)廠檢(jian)驗時冷(leng)態絕緣(yuan)(yuan)電(dian)(dian)阻(zu)應(ying)不(bu)小(xiao)(xiao)于(yu)(yu)50MQ密(mi)封試驗后(hou)，長(chang)期存放或者(zhe)使用后(hou)的(de)絕緣(yuan)(yuan)電(dian)(dian)阻(zu)應(ying)不(bu)消(xiao)與MQ工(gong)作溫度(du)(du)下的(de)熱(re)態絕緣(yuan)(yuan)電(dian)(dian)阻(zu)應(ying)不(bu)低(di)于(yu)(yu)公式中(zhong)的(de)計算值，但應(ying)不(bu)小(xiao)(xiao)于(yu)(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱(re)態絕緣(yuan)(yuan)電(dian)(dian)阻(zu)MQ t一(yi)-發 熱(re)長(chang)度(du)(du)mmT一(yi)工(gong)作溫度(du)(du)°C

5.絕緣耐壓強度元件應在規(gui)定的(de)試驗條件和試驗電(dian)壓下保持(chi)1min,而無閃絡和擊穿現(xian)象

6.經受通(tong)斷電的(de)能力元件應能在規定的(de)試驗條件下經歷2000次通(tong)斷電試驗，而不發(fa)生損壞