防(fang)爆(bao)(bao)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)是一種(zhong)消耗電(dian)能(neng)轉(zhuan)換為熱(re)(re)(re)(re)(re)(re)能(neng)，來(lai)對需加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)物料(liao)進(jin)行加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)。防(fang)爆(bao)(bao)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)是由外到(dao)里外殼（不繡鋼(gang)/碳鋼(gang)/銅/鈦材等(deng)、發熱(re)(re)(re)(re)(re)(re)絲（鎳鉻鉛合金）、填充物（氧化(hua)鎂，作(zuo)(zuo)用(yong)是導熱(re)(re)(re)(re)(re)(re)、絕緣）、外殼（不繡鋼(gang)、碳鋼(gang)、鈦材、銅  等(deng)）、陶(tao)瓷封頭（作(zuo)(zuo)用(yong)：絕緣）、防(fang)爆(bao)(bao)盒組成的。加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)在(zai)工作(zuo)(zuo)中低溫(wen)(wen)流體介(jie)質通過管(guan)(guan)道在(zai)壓力作(zuo)(zuo)用(yong)下(xia)進(jin)入(ru)其(qi)輸(shu)入(ru)口，沿著(zhu)電(dian)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)容器內部特(te)定(ding)換熱(re)(re)(re)(re)(re)(re)流道，運用(yong)空氣(qi)(qi)電(dian)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)的流體熱(re)(re)(re)(re)(re)(re)力學原理(li)設計的路徑(jing)，帶走空氣(qi)(qi)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)中的電(dian)熱(re)(re)(re)(re)(re)(re)元(yuan)件工作(zuo)(zuo)中所產生(sheng)的高溫(wen)(wen)熱(re)(re)(re)(re)(re)(re)能(neng)量，使空氣(qi)(qi)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)被(bei)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)介(jie)質溫(wen)(wen)度升高，加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)(re)管(guan)(guan)出口得到(dao)工藝要求的高溫(wen)(wen)介(jie)質。

產品特點(dian)

1.升(sheng)溫時間在(zai)試驗(yan)電壓下，元件從環境溫度(du)(du)升(sheng)至試驗(yan)溫度(du)(du)時間應不(bu)大于15min

2.額定功(gong)率(lv)偏差(cha)在充分發熱的條件(jian)下，元件(jian)的額定功(gong)率(lv)的偏差(cha)應(ying)不超(chao)過(guo)下列規(gui)定的范圍;對額定功(gong)率(lv)小于等于100W的元件(jian)為:士10%。對額定功(gong)率(lv)大于100W的元件(jian)為+5%~- 10%或10W,取兩者(zhe)中的較大值。

3.泄(xie)(xie)露(lu)(lu)電(dian)(dian)流冷態(tai)泄(xie)(xie)露(lu)(lu)電(dian)(dian)流以及水壓和密封試(shi)驗后泄(xie)(xie)露(lu)(lu)電(dian)(dian)流應不超(chao)過0.5mA工作(zuo)溫度(du)下的熱態(tai)泄(xie)(xie)露(lu)(lu)電(dian)(dian)流應不超(chao)過公式(shi)中(zhong)的計算值，但不超(chao)過5mA I=1/6 (tTX0.00001) I一 熱態(tai)泄(xie)(xie)露(lu)(lu)電(dian)(dian)流mA t-發(fa)熱長度(du)mm T-工作(zuo)溫度(du)C多個元件串聯(lian)到電(dian)(dian)源(yuan)中(zhong)時(shi)，應以這一組元件為 整(zheng)體(ti)進行泄(xie)(xie)露(lu)(lu)電(dian)(dian)流試(shi)驗。

4. 絕(jue)緣(yuan)電(dian)(dian)阻(zu)出(chu)廠檢驗時冷態絕(jue)緣(yuan)電(dian)(dian)阻(zu)應(ying)(ying)不(bu)(bu)小于50MQ密封試驗后(hou)，長期存放或者(zhe)使(shi)用后(hou)的絕(jue)緣(yuan)電(dian)(dian)阻(zu)應(ying)(ying)不(bu)(bu)消與(yu)MQ工作(zuo)溫(wen)度(du)(du)下的熱態絕(jue)緣(yuan)電(dian)(dian)阻(zu)應(ying)(ying)不(bu)(bu)低(di)于公式中(zhong)的計算值，但應(ying)(ying)不(bu)(bu)小于1MQ R=「(10-0.015T) /t」X0.001 R熱態絕(jue)緣(yuan)電(dian)(dian)阻(zu)MQ t一-發 熱長度(du)(du)mmT一工作(zuo)溫(wen)度(du)(du)°C

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

6.經(jing)(jing)受通斷(duan)電(dian)的能(neng)力元件應(ying)能(neng)在規定的試驗(yan)條件下(xia)經(jing)(jing)歷2000次通斷(duan)電(dian)試驗(yan)，而不發生損壞