防(fang)爆加(jia)熱(re)(re)(re)(re)管(guan)(guan)是(shi)一種消耗電(dian)能(neng)轉(zhuan)換(huan)(huan)為(wei)熱(re)(re)(re)(re)能(neng)，來對需加(jia)熱(re)(re)(re)(re)物(wu)料(liao)進(jin)行(xing)加(jia)熱(re)(re)(re)(re)。防(fang)爆加(jia)熱(re)(re)(re)(re)管(guan)(guan)是(shi)由(you)外(wai)到(dao)里外(wai)殼（不(bu)繡鋼(gang)(gang)/碳鋼(gang)(gang)/銅(tong)/鈦材(cai)等(deng)、發熱(re)(re)(re)(re)絲(si)（鎳鉻鉛(qian)合金）、填充物(wu)（氧(yang)化鎂，作用(yong)是(shi)導熱(re)(re)(re)(re)、絕(jue)緣(yuan)）、外(wai)殼（不(bu)繡鋼(gang)(gang)、碳鋼(gang)(gang)、鈦材(cai)、銅(tong)  等(deng)）、陶(tao)瓷(ci)封頭（作用(yong)：絕(jue)緣(yuan)）、防(fang)爆盒組成的(de)(de)。加(jia)熱(re)(re)(re)(re)管(guan)(guan)在工(gong)作中低溫流體介質通過管(guan)(guan)道在壓(ya)力作用(yong)下(xia)進(jin)入其輸入口，沿著電(dian)加(jia)熱(re)(re)(re)(re)容器內部特定換(huan)(huan)熱(re)(re)(re)(re)流道，運用(yong)空(kong)氣(qi)電(dian)熱(re)(re)(re)(re)管(guan)(guan)的(de)(de)流體熱(re)(re)(re)(re)力學原理設計的(de)(de)路徑，帶(dai)走空(kong)氣(qi)加(jia)熱(re)(re)(re)(re)管(guan)(guan)中的(de)(de)電(dian)熱(re)(re)(re)(re)元件工(gong)作中所產生的(de)(de)高溫熱(re)(re)(re)(re)能(neng)量，使(shi)空(kong)氣(qi)加(jia)熱(re)(re)(re)(re)管(guan)(guan)被加(jia)熱(re)(re)(re)(re)介質溫度升高，加(jia)熱(re)(re)(re)(re)管(guan)(guan)出(chu)口得到(dao)工(gong)藝要求(qiu)的(de)(de)高溫介質。

產品(pin)特點

1.升溫時間(jian)在試(shi)驗電壓下，元件從環境(jing)溫度(du)升至試(shi)驗溫度(du)時間(jian)應不(bu)大于(yu)15min

2.額定功(gong)(gong)率(lv)偏(pian)差在充(chong)分發熱的條件(jian)(jian)下(xia)，元件(jian)(jian)的額定功(gong)(gong)率(lv)的偏(pian)差應不超過(guo)下(xia)列規(gui)定的范圍(wei);對(dui)額定功(gong)(gong)率(lv)小(xiao)于(yu)等于(yu)100W的元件(jian)(jian)為:士10%。對(dui)額定功(gong)(gong)率(lv)大于(yu)100W的元件(jian)(jian)為+5%~- 10%或10W,取兩者中的較大值(zhi)。

3.泄(xie)(xie)(xie)露(lu)電流(liu)冷(leng)態(tai)(tai)(tai)泄(xie)(xie)(xie)露(lu)電流(liu)以(yi)及水壓(ya)和密封試驗后泄(xie)(xie)(xie)露(lu)電流(liu)應(ying)不(bu)超過(guo)0.5mA工(gong)作溫(wen)度(du)(du)下的(de)熱(re)態(tai)(tai)(tai)泄(xie)(xie)(xie)露(lu)電流(liu)應(ying)不(bu)超過(guo)公式中的(de)計算值，但不(bu)超過(guo)5mA I=1/6 (tTX0.00001) I一 熱(re)態(tai)(tai)(tai)泄(xie)(xie)(xie)露(lu)電流(liu)mA t-發(fa)熱(re)長(chang)度(du)(du)mm T-工(gong)作溫(wen)度(du)(du)C多個元件串聯到電源中時，應(ying)以(yi)這一組元件為 整體進行泄(xie)(xie)(xie)露(lu)電流(liu)試驗。

4. 絕緣(yuan)(yuan)電(dian)阻出廠檢驗時(shi)冷態(tai)(tai)絕緣(yuan)(yuan)電(dian)阻應不(bu)小(xiao)于(yu)50MQ密封(feng)試驗后，長期存放或者使(shi)用后的絕緣(yuan)(yuan)電(dian)阻應不(bu)消與(yu)MQ工作溫(wen)度(du)(du)下的熱態(tai)(tai)絕緣(yuan)(yuan)電(dian)阻應不(bu)低于(yu)公式中的計算值，但應不(bu)小(xiao)于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態(tai)(tai)絕緣(yuan)(yuan)電(dian)阻MQ t一-發 熱長度(du)(du)mmT一工作溫(wen)度(du)(du)°C

5.絕緣耐壓強度元件(jian)(jian)應在規定的試驗條(tiao)件(jian)(jian)和試驗電壓下保持1min,而(er)無(wu)閃絡和擊穿現象

6.經(jing)受通(tong)斷(duan)電(dian)的能(neng)力(li)元件(jian)(jian)應能(neng)在規定的試驗條(tiao)件(jian)(jian)下經(jing)歷(li)2000次(ci)通(tong)斷(duan)電(dian)試驗，而(er)不(bu)發生損(sun)壞