防(fang)爆加(jia)(jia)熱(re)(re)(re)管(guan)(guan)是(shi)一種(zhong)消耗電能轉換(huan)為熱(re)(re)(re)能，來對(dui)需(xu)加(jia)(jia)熱(re)(re)(re)物(wu)料進(jin)行加(jia)(jia)熱(re)(re)(re)。防(fang)爆加(jia)(jia)熱(re)(re)(re)管(guan)(guan)是(shi)由外(wai)到(dao)里外(wai)殼（不繡鋼(gang)/碳(tan)鋼(gang)/銅/鈦材等、發熱(re)(re)(re)絲（鎳鉻鉛合金）、填充物(wu)（氧化鎂，作用(yong)是(shi)導熱(re)(re)(re)、絕(jue)緣(yuan)(yuan)）、外(wai)殼（不繡鋼(gang)、碳(tan)鋼(gang)、鈦材、銅  等）、陶(tao)瓷封(feng)頭（作用(yong)：絕(jue)緣(yuan)(yuan)）、防(fang)爆盒組成的(de)。加(jia)(jia)熱(re)(re)(re)管(guan)(guan)在工作中(zhong)低(di)溫(wen)(wen)(wen)流體(ti)介質通過管(guan)(guan)道在壓力作用(yong)下進(jin)入(ru)其輸入(ru)口(kou)，沿著電加(jia)(jia)熱(re)(re)(re)容(rong)器內(nei)部特定換(huan)熱(re)(re)(re)流道，運(yun)用(yong)空(kong)氣電熱(re)(re)(re)管(guan)(guan)的(de)流體(ti)熱(re)(re)(re)力學(xue)原理設計的(de)路徑(jing)，帶(dai)走空(kong)氣加(jia)(jia)熱(re)(re)(re)管(guan)(guan)中(zhong)的(de)電熱(re)(re)(re)元件工作中(zhong)所產生的(de)高(gao)溫(wen)(wen)(wen)熱(re)(re)(re)能量(liang)，使(shi)空(kong)氣加(jia)(jia)熱(re)(re)(re)管(guan)(guan)被加(jia)(jia)熱(re)(re)(re)介質溫(wen)(wen)(wen)度升高(gao)，加(jia)(jia)熱(re)(re)(re)管(guan)(guan)出口(kou)得到(dao)工藝要求的(de)高(gao)溫(wen)(wen)(wen)介質。

產品特(te)點

1.升溫(wen)時(shi)間在試(shi)(shi)驗電(dian)壓(ya)下，元件從環境(jing)溫(wen)度升至(zhi)試(shi)(shi)驗溫(wen)度時(shi)間應不大于15min

2.額定(ding)(ding)功(gong)率偏(pian)(pian)差在充分發(fa)熱的條(tiao)件(jian)(jian)下，元件(jian)(jian)的額定(ding)(ding)功(gong)率的偏(pian)(pian)差應(ying)不超過下列(lie)規定(ding)(ding)的范圍(wei);對(dui)額定(ding)(ding)功(gong)率小于等于100W的元件(jian)(jian)為(wei):士10%。對(dui)額定(ding)(ding)功(gong)率大于100W的元件(jian)(jian)為(wei)+5%~- 10%或10W,取兩者中的較大值(zhi)。

3.泄(xie)露電(dian)(dian)(dian)流(liu)冷(leng)態泄(xie)露電(dian)(dian)(dian)流(liu)以及水(shui)壓和密(mi)封試(shi)驗后(hou)泄(xie)露電(dian)(dian)(dian)流(liu)應不超過(guo)0.5mA工(gong)作(zuo)溫度(du)下的熱(re)態泄(xie)露電(dian)(dian)(dian)流(liu)應不超過(guo)公式中(zhong)的計(ji)算值，但不超過(guo)5mA I=1/6 (tTX0.00001) I一 熱(re)態泄(xie)露電(dian)(dian)(dian)流(liu)mA t-發熱(re)長(chang)度(du)mm T-工(gong)作(zuo)溫度(du)C多個元(yuan)件串聯到電(dian)(dian)(dian)源中(zhong)時，應以這一組元(yuan)件為 整體進行泄(xie)露電(dian)(dian)(dian)流(liu)試(shi)驗。

4. 絕(jue)緣(yuan)(yuan)電(dian)(dian)(dian)阻(zu)出廠檢驗時冷態(tai)絕(jue)緣(yuan)(yuan)電(dian)(dian)(dian)阻(zu)應不(bu)小(xiao)于(yu)50MQ密封(feng)試驗后，長(chang)期存放或(huo)者使用后的(de)(de)絕(jue)緣(yuan)(yuan)電(dian)(dian)(dian)阻(zu)應不(bu)消與MQ工作溫度(du)(du)下的(de)(de)熱(re)態(tai)絕(jue)緣(yuan)(yuan)電(dian)(dian)(dian)阻(zu)應不(bu)低于(yu)公式(shi)中的(de)(de)計算(suan)值，但(dan)應不(bu)小(xiao)于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱(re)態(tai)絕(jue)緣(yuan)(yuan)電(dian)(dian)(dian)阻(zu)MQ t一(yi)-發 熱(re)長(chang)度(du)(du)mmT一(yi)工作溫度(du)(du)°C

5.絕緣耐壓強(qiang)度元件應在(zai)規定的試(shi)驗條件和試(shi)驗電壓下保持1min,而無閃絡(luo)和擊穿現象

6.經受(shou)通(tong)斷(duan)電的能(neng)力元件應(ying)能(neng)在規定的試驗條件下經歷2000次通(tong)斷(duan)電試驗，而不發(fa)生損壞