防爆加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)是一種消耗(hao)電能(neng)(neng)轉換為(wei)熱(re)(re)(re)(re)能(neng)(neng)，來對需加(jia)(jia)熱(re)(re)(re)(re)物(wu)料進行加(jia)(jia)熱(re)(re)(re)(re)。防爆加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)是由外(wai)(wai)到里外(wai)(wai)殼（不繡鋼(gang)/碳(tan)鋼(gang)/銅/鈦材(cai)等、發熱(re)(re)(re)(re)絲(si)（鎳鉻鉛合(he)金）、填充物(wu)（氧化鎂，作用(yong)(yong)是導熱(re)(re)(re)(re)、絕緣）、外(wai)(wai)殼（不繡鋼(gang)、碳(tan)鋼(gang)、鈦材(cai)、銅  等）、陶瓷封頭（作用(yong)(yong)：絕緣）、防爆盒組成(cheng)的。加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)在(zai)工(gong)作中低(di)溫流體介質通過管(guan)(guan)道(dao)在(zai)壓力(li)作用(yong)(yong)下進入其輸入口，沿著電加(jia)(jia)熱(re)(re)(re)(re)容器內部特定換熱(re)(re)(re)(re)流道(dao)，運用(yong)(yong)空(kong)氣電熱(re)(re)(re)(re)管(guan)(guan)的流體熱(re)(re)(re)(re)力(li)學原理(li)設計的路徑，帶走(zou)空(kong)氣加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)中的電熱(re)(re)(re)(re)元件工(gong)作中所產生的高(gao)溫熱(re)(re)(re)(re)能(neng)(neng)量，使空(kong)氣加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)被加(jia)(jia)熱(re)(re)(re)(re)介質溫度升(sheng)高(gao)，加(jia)(jia)熱(re)(re)(re)(re)管(guan)(guan)出口得到工(gong)藝要求的高(gao)溫介質。

產品特點(dian)

1.升(sheng)(sheng)溫時(shi)間(jian)在試驗電(dian)壓(ya)下，元件從(cong)環境溫度升(sheng)(sheng)至(zhi)試驗溫度時(shi)間(jian)應不大于(yu)15min

2.額(e)定(ding)功(gong)率(lv)偏(pian)差在充分發熱的(de)(de)(de)(de)條件(jian)(jian)(jian)下(xia)，元(yuan)(yuan)(yuan)件(jian)(jian)(jian)的(de)(de)(de)(de)額(e)定(ding)功(gong)率(lv)的(de)(de)(de)(de)偏(pian)差應不(bu)超過下(xia)列規定(ding)的(de)(de)(de)(de)范圍;對(dui)額(e)定(ding)功(gong)率(lv)小(xiao)于(yu)等(deng)于(yu)100W的(de)(de)(de)(de)元(yuan)(yuan)(yuan)件(jian)(jian)(jian)為:士10%。對(dui)額(e)定(ding)功(gong)率(lv)大(da)于(yu)100W的(de)(de)(de)(de)元(yuan)(yuan)(yuan)件(jian)(jian)(jian)為+5%~- 10%或(huo)10W,取兩者(zhe)中的(de)(de)(de)(de)較大(da)值。

3.泄露(lu)電(dian)(dian)流(liu)(liu)冷態泄露(lu)電(dian)(dian)流(liu)(liu)以(yi)及水壓(ya)和(he)密封試驗后泄露(lu)電(dian)(dian)流(liu)(liu)應不(bu)超(chao)過0.5mA工作溫度(du)下的(de)熱態泄露(lu)電(dian)(dian)流(liu)(liu)應不(bu)超(chao)過公式中的(de)計算(suan)值，但不(bu)超(chao)過5mA I=1/6 (tTX0.00001) I一 熱態泄露(lu)電(dian)(dian)流(liu)(liu)mA t-發熱長度(du)mm T-工作溫度(du)C多(duo)個元件串聯到(dao)電(dian)(dian)源中時，應以(yi)這一組元件為 整體進行(xing)泄露(lu)電(dian)(dian)流(liu)(liu)試驗。

4. 絕緣(yuan)(yuan)(yuan)電(dian)阻(zu)出廠檢驗(yan)時冷(leng)態絕緣(yuan)(yuan)(yuan)電(dian)阻(zu)應不小于(yu)50MQ密封試驗(yan)后，長(chang)期存放或者(zhe)使用后的(de)絕緣(yuan)(yuan)(yuan)電(dian)阻(zu)應不消(xiao)與(yu)MQ工(gong)作溫(wen)度下的(de)熱(re)態絕緣(yuan)(yuan)(yuan)電(dian)阻(zu)應不低于(yu)公式中的(de)計算值，但應不小于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱(re)態絕緣(yuan)(yuan)(yuan)電(dian)阻(zu)MQ t一(yi)-發(fa) 熱(re)長(chang)度mmT一(yi)工(gong)作溫(wen)度°C

5.絕緣(yuan)耐壓強度元(yuan)件應在(zai)規定(ding)的試(shi)驗條件和(he)試(shi)驗電壓下保持1min,而無閃(shan)絡和(he)擊穿現(xian)象

6.經受通(tong)斷(duan)電的能力元件(jian)(jian)應能在規定(ding)的試(shi)驗(yan)條件(jian)(jian)下經歷2000次通(tong)斷(duan)電試(shi)驗(yan)，而(er)不發生損壞