防爆加(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)是(shi)一種(zhong)消耗電(dian)(dian)能(neng)轉(zhuan)換(huan)為熱(re)(re)(re)(re)(re)(re)能(neng)，來對(dui)需(xu)加(jia)(jia)熱(re)(re)(re)(re)(re)(re)物料(liao)進行加(jia)(jia)熱(re)(re)(re)(re)(re)(re)。防爆加(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)是(shi)由外到里外殼(ke)（不(bu)(bu)繡鋼(gang)(gang)/碳鋼(gang)(gang)/銅/鈦材等、發熱(re)(re)(re)(re)(re)(re)絲（鎳鉻鉛合(he)金）、填充物（氧化鎂，作用是(shi)導熱(re)(re)(re)(re)(re)(re)、絕緣）、外殼(ke)（不(bu)(bu)繡鋼(gang)(gang)、碳鋼(gang)(gang)、鈦材、銅  等）、陶瓷封(feng)頭（作用：絕緣）、防爆盒組成的。加(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)在(zai)工作中低溫流(liu)體(ti)介(jie)(jie)質(zhi)通過管(guan)(guan)(guan)道在(zai)壓力作用下(xia)進入(ru)其輸入(ru)口(kou)，沿著電(dian)(dian)加(jia)(jia)熱(re)(re)(re)(re)(re)(re)容器內部特定換(huan)熱(re)(re)(re)(re)(re)(re)流(liu)道，運用空氣(qi)電(dian)(dian)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)的流(liu)體(ti)熱(re)(re)(re)(re)(re)(re)力學原理(li)設計的路徑，帶走空氣(qi)加(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)中的電(dian)(dian)熱(re)(re)(re)(re)(re)(re)元(yuan)件工作中所產生的高(gao)溫熱(re)(re)(re)(re)(re)(re)能(neng)量，使(shi)空氣(qi)加(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)被加(jia)(jia)熱(re)(re)(re)(re)(re)(re)介(jie)(jie)質(zhi)溫度升(sheng)高(gao)，加(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)(guan)出口(kou)得到工藝要求的高(gao)溫介(jie)(jie)質(zhi)。

產品特(te)點(dian)

1.升溫時間(jian)在試驗電壓下，元件從環境溫度(du)升至試驗溫度(du)時間(jian)應不大于15min

2.額定(ding)功(gong)(gong)率偏(pian)差在充分發熱的條件下，元件的額定(ding)功(gong)(gong)率的偏(pian)差應不超過下列(lie)規定(ding)的范(fan)圍;對額定(ding)功(gong)(gong)率小于等(deng)于100W的元件為:士10%。對額定(ding)功(gong)(gong)率大于100W的元件為+5%~- 10%或10W,取兩者中的較大值(zhi)。

3.泄露(lu)電(dian)(dian)流(liu)冷態泄露(lu)電(dian)(dian)流(liu)以及水壓和密封(feng)試驗(yan)后泄露(lu)電(dian)(dian)流(liu)應(ying)不(bu)超過0.5mA工作溫度(du)下的熱(re)態泄露(lu)電(dian)(dian)流(liu)應(ying)不(bu)超過公(gong)式中的計算值，但(dan)不(bu)超過5mA I=1/6 (tTX0.00001) I一 熱(re)態泄露(lu)電(dian)(dian)流(liu)mA t-發熱(re)長度(du)mm T-工作溫度(du)C多個(ge)元(yuan)件(jian)串(chuan)聯到(dao)電(dian)(dian)源中時，應(ying)以這一組元(yuan)件(jian)為 整體進行(xing)泄露(lu)電(dian)(dian)流(liu)試驗(yan)。

4. 絕(jue)(jue)緣電(dian)(dian)(dian)阻(zu)(zu)出(chu)廠(chang)檢(jian)驗時冷態絕(jue)(jue)緣電(dian)(dian)(dian)阻(zu)(zu)應(ying)不小(xiao)(xiao)于(yu)50MQ密(mi)封(feng)試驗后(hou)，長(chang)期(qi)存(cun)放或者使(shi)用后(hou)的(de)絕(jue)(jue)緣電(dian)(dian)(dian)阻(zu)(zu)應(ying)不消與(yu)MQ工作(zuo)(zuo)溫(wen)度下的(de)熱態絕(jue)(jue)緣電(dian)(dian)(dian)阻(zu)(zu)應(ying)不低于(yu)公式中的(de)計算值，但應(ying)不小(xiao)(xiao)于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態絕(jue)(jue)緣電(dian)(dian)(dian)阻(zu)(zu)MQ t一-發 熱長(chang)度mmT一工作(zuo)(zuo)溫(wen)度°C

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

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