防爆(bao)加(jia)(jia)(jia)(jia)熱(re)(re)管(guan)(guan)是一種消耗電(dian)(dian)(dian)(dian)能(neng)(neng)轉換為(wei)熱(re)(re)能(neng)(neng)，來(lai)對需加(jia)(jia)(jia)(jia)熱(re)(re)物(wu)料進行加(jia)(jia)(jia)(jia)熱(re)(re)。防爆(bao)加(jia)(jia)(jia)(jia)熱(re)(re)管(guan)(guan)是由外(wai)到(dao)里外(wai)殼（不繡(xiu)鋼(gang)/碳鋼(gang)/銅(tong)/鈦材等、發熱(re)(re)絲（鎳鉻(ge)鉛(qian)合金）、填(tian)充物(wu)（氧化鎂，作(zuo)(zuo)用(yong)(yong)是導(dao)熱(re)(re)、絕緣）、外(wai)殼（不繡(xiu)鋼(gang)、碳鋼(gang)、鈦材、銅(tong)  等）、陶瓷封頭（作(zuo)(zuo)用(yong)(yong)：絕緣）、防爆(bao)盒組成的(de)。加(jia)(jia)(jia)(jia)熱(re)(re)管(guan)(guan)在工(gong)(gong)作(zuo)(zuo)中(zhong)(zhong)低(di)溫(wen)流(liu)(liu)體(ti)介質(zhi)通過管(guan)(guan)道在壓(ya)力作(zuo)(zuo)用(yong)(yong)下進入其輸入口，沿著(zhu)電(dian)(dian)(dian)(dian)加(jia)(jia)(jia)(jia)熱(re)(re)容器內部特(te)定換熱(re)(re)流(liu)(liu)道，運用(yong)(yong)空氣電(dian)(dian)(dian)(dian)熱(re)(re)管(guan)(guan)的(de)流(liu)(liu)體(ti)熱(re)(re)力學(xue)原(yuan)理設計的(de)路徑(jing)，帶走空氣加(jia)(jia)(jia)(jia)熱(re)(re)管(guan)(guan)中(zhong)(zhong)的(de)電(dian)(dian)(dian)(dian)熱(re)(re)元件工(gong)(gong)作(zuo)(zuo)中(zhong)(zhong)所(suo)產生的(de)高(gao)溫(wen)熱(re)(re)能(neng)(neng)量，使空氣加(jia)(jia)(jia)(jia)熱(re)(re)管(guan)(guan)被(bei)加(jia)(jia)(jia)(jia)熱(re)(re)介質(zhi)溫(wen)度升高(gao)，加(jia)(jia)(jia)(jia)熱(re)(re)管(guan)(guan)出口得到(dao)工(gong)(gong)藝(yi)要求的(de)高(gao)溫(wen)介質(zhi)。

產(chan)品特點

1.升(sheng)(sheng)溫(wen)時(shi)間(jian)在試(shi)驗電壓下，元(yuan)件從環境溫(wen)度(du)升(sheng)(sheng)至試(shi)驗溫(wen)度(du)時(shi)間(jian)應(ying)不大(da)于15min

2.額定(ding)(ding)功率偏差在充(chong)分(fen)發熱的(de)條件下(xia)，元件的(de)額定(ding)(ding)功率的(de)偏差應不超過下(xia)列規定(ding)(ding)的(de)范(fan)圍;對(dui)額定(ding)(ding)功率小于(yu)(yu)等于(yu)(yu)100W的(de)元件為(wei):士10%。對(dui)額定(ding)(ding)功率大(da)于(yu)(yu)100W的(de)元件為(wei)+5%~- 10%或(huo)10W,取(qu)兩(liang)者(zhe)中的(de)較(jiao)大(da)值。

3.泄(xie)露(lu)(lu)電流(liu)(liu)冷態泄(xie)露(lu)(lu)電流(liu)(liu)以(yi)及水壓和(he)密(mi)封試(shi)驗后(hou)泄(xie)露(lu)(lu)電流(liu)(liu)應不超過(guo)0.5mA工(gong)作溫度下的熱(re)態泄(xie)露(lu)(lu)電流(liu)(liu)應不超過(guo)公(gong)式中(zhong)的計算值(zhi)，但不超過(guo)5mA I=1/6 (tTX0.00001) I一 熱(re)態泄(xie)露(lu)(lu)電流(liu)(liu)mA t-發熱(re)長(chang)度mm T-工(gong)作溫度C多(duo)個元(yuan)(yuan)件串聯到(dao)電源中(zhong)時，應以(yi)這一組元(yuan)(yuan)件為 整體進行泄(xie)露(lu)(lu)電流(liu)(liu)試(shi)驗。

4. 絕緣(yuan)(yuan)電(dian)阻(zu)(zu)出廠檢驗(yan)時冷(leng)態絕緣(yuan)(yuan)電(dian)阻(zu)(zu)應不小(xiao)于(yu)50MQ密封試驗(yan)后，長期存放或者(zhe)使用后的絕緣(yuan)(yuan)電(dian)阻(zu)(zu)應不消與MQ工(gong)作(zuo)溫度(du)下的熱(re)態絕緣(yuan)(yuan)電(dian)阻(zu)(zu)應不低于(yu)公式中的計(ji)算(suan)值(zhi)，但應不小(xiao)于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱(re)態絕緣(yuan)(yuan)電(dian)阻(zu)(zu)MQ t一(yi)-發(fa) 熱(re)長度(du)mmT一(yi)工(gong)作(zuo)溫度(du)°C

5.絕緣耐壓(ya)強度元件應在規定(ding)的試(shi)驗(yan)條件和(he)試(shi)驗(yan)電壓(ya)下保持(chi)1min,而無閃絡(luo)和(he)擊穿現象(xiang)

6.經受通(tong)斷電(dian)的能力元(yuan)件應能在規(gui)定(ding)的試(shi)(shi)驗條件下經歷2000次通(tong)斷電(dian)試(shi)(shi)驗，而不發(fa)生(sheng)損壞