防(fang)爆(bao)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)管(guan)是(shi)一種消耗電(dian)(dian)能轉(zhuan)換(huan)為熱(re)(re)(re)(re)(re)能，來對(dui)需(xu)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)物料進行(xing)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)。防(fang)爆(bao)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)管(guan)是(shi)由外(wai)到(dao)里外(wai)殼（不(bu)繡鋼(gang)/碳鋼(gang)/銅/鈦材等(deng)(deng)、發熱(re)(re)(re)(re)(re)絲(si)（鎳鉻鉛合金）、填充(chong)物（氧化鎂(mei)，作(zuo)用是(shi)導(dao)熱(re)(re)(re)(re)(re)、絕緣）、外(wai)殼（不(bu)繡鋼(gang)、碳鋼(gang)、鈦材、銅  等(deng)(deng)）、陶瓷(ci)封(feng)頭(tou)（作(zuo)用：絕緣）、防(fang)爆(bao)盒(he)組成(cheng)的(de)。加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)管(guan)在工作(zuo)中(zhong)低溫流(liu)體介質(zhi)通過管(guan)道在壓(ya)力作(zuo)用下進入其(qi)輸入口(kou)，沿著電(dian)(dian)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)容器內部特定(ding)換(huan)熱(re)(re)(re)(re)(re)流(liu)道，運用空氣(qi)電(dian)(dian)熱(re)(re)(re)(re)(re)管(guan)的(de)流(liu)體熱(re)(re)(re)(re)(re)力學原理設計的(de)路徑，帶走(zou)空氣(qi)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)管(guan)中(zhong)的(de)電(dian)(dian)熱(re)(re)(re)(re)(re)元(yuan)件(jian)工作(zuo)中(zhong)所產生(sheng)的(de)高(gao)溫熱(re)(re)(re)(re)(re)能量，使空氣(qi)加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)管(guan)被加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)介質(zhi)溫度升高(gao)，加(jia)(jia)(jia)熱(re)(re)(re)(re)(re)管(guan)出口(kou)得到(dao)工藝(yi)要求的(de)高(gao)溫介質(zhi)。

產(chan)品(pin)特點

1.升溫時間在試驗(yan)電壓下，元件從環(huan)境溫度升至試驗(yan)溫度時間應不(bu)大于15min

2.額(e)定功(gong)(gong)率偏差(cha)在充分發熱的(de)(de)條(tiao)件(jian)下，元件(jian)的(de)(de)額(e)定功(gong)(gong)率的(de)(de)偏差(cha)應不超過下列規(gui)定的(de)(de)范圍;對(dui)額(e)定功(gong)(gong)率小(xiao)于等于100W的(de)(de)元件(jian)為:士10%。對(dui)額(e)定功(gong)(gong)率大于100W的(de)(de)元件(jian)為+5%~- 10%或10W,取兩(liang)者中的(de)(de)較大值。

3.泄(xie)(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)冷(leng)態(tai)泄(xie)(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)以及(ji)水壓和密封試驗(yan)后(hou)泄(xie)(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)應(ying)不超(chao)過(guo)0.5mA工作(zuo)溫度(du)下的熱(re)(re)態(tai)泄(xie)(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)應(ying)不超(chao)過(guo)公(gong)式(shi)中的計算值，但(dan)不超(chao)過(guo)5mA I=1/6 (tTX0.00001) I一 熱(re)(re)態(tai)泄(xie)(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)mA t-發熱(re)(re)長度(du)mm T-工作(zuo)溫度(du)C多個元件串聯到電(dian)(dian)(dian)(dian)源中時，應(ying)以這一組元件為 整(zheng)體(ti)進行(xing)泄(xie)(xie)(xie)露(lu)電(dian)(dian)(dian)(dian)流(liu)試驗(yan)。

4. 絕緣(yuan)(yuan)電(dian)(dian)阻出(chu)廠檢驗(yan)時冷態(tai)絕緣(yuan)(yuan)電(dian)(dian)阻應(ying)(ying)不(bu)小(xiao)(xiao)于50MQ密(mi)封(feng)試驗(yan)后，長(chang)期存(cun)放或者使用后的絕緣(yuan)(yuan)電(dian)(dian)阻應(ying)(ying)不(bu)消與MQ工(gong)作溫(wen)(wen)度下的熱態(tai)絕緣(yuan)(yuan)電(dian)(dian)阻應(ying)(ying)不(bu)低于公式中的計(ji)算(suan)值，但應(ying)(ying)不(bu)小(xiao)(xiao)于1MQ R=「(10-0.015T) /t」X0.001 R熱態(tai)絕緣(yuan)(yuan)電(dian)(dian)阻MQ t一(yi)-發 熱長(chang)度mmT一(yi)工(gong)作溫(wen)(wen)度°C

5.絕緣耐壓(ya)強(qiang)度元件(jian)應在規定的試驗(yan)條件(jian)和試驗(yan)電壓(ya)下保持1min,而無閃絡和擊穿現象

6.經受通斷電(dian)的能力元件(jian)應能在規定的試(shi)驗條(tiao)件(jian)下(xia)經歷(li)2000次(ci)通斷電(dian)試(shi)驗，而不發生(sheng)損壞(huai)