防爆(bao)(bao)加(jia)熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)是(shi)一種消耗(hao)電(dian)能轉(zhuan)換(huan)為熱(re)(re)(re)(re)(re)能，來對(dui)需加(jia)熱(re)(re)(re)(re)(re)物料進(jin)行加(jia)熱(re)(re)(re)(re)(re)。防爆(bao)(bao)加(jia)熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)是(shi)由外到里外殼（不繡鋼/碳鋼/銅(tong)/鈦(tai)材等、發(fa)熱(re)(re)(re)(re)(re)絲（鎳鉻鉛合(he)金(jin)）、填充物（氧(yang)化鎂(mei)，作(zuo)(zuo)用(yong)(yong)是(shi)導熱(re)(re)(re)(re)(re)、絕緣(yuan)）、外殼（不繡鋼、碳鋼、鈦(tai)材、銅(tong)  等）、陶(tao)瓷(ci)封頭(tou)（作(zuo)(zuo)用(yong)(yong)：絕緣(yuan)）、防爆(bao)(bao)盒組成的(de)。加(jia)熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)在工作(zuo)(zuo)中低溫(wen)(wen)(wen)流(liu)體介(jie)質(zhi)通過管(guan)(guan)(guan)道(dao)(dao)在壓力作(zuo)(zuo)用(yong)(yong)下進(jin)入其(qi)輸入口，沿著電(dian)加(jia)熱(re)(re)(re)(re)(re)容器(qi)內(nei)部特定換(huan)熱(re)(re)(re)(re)(re)流(liu)道(dao)(dao)，運(yun)用(yong)(yong)空氣(qi)電(dian)熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)的(de)流(liu)體熱(re)(re)(re)(re)(re)力學原理(li)設計的(de)路徑，帶走空氣(qi)加(jia)熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)中的(de)電(dian)熱(re)(re)(re)(re)(re)元件工作(zuo)(zuo)中所產(chan)生的(de)高溫(wen)(wen)(wen)熱(re)(re)(re)(re)(re)能量，使空氣(qi)加(jia)熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)被(bei)加(jia)熱(re)(re)(re)(re)(re)介(jie)質(zhi)溫(wen)(wen)(wen)度(du)升高，加(jia)熱(re)(re)(re)(re)(re)管(guan)(guan)(guan)出口得到工藝要求的(de)高溫(wen)(wen)(wen)介(jie)質(zhi)。

產品(pin)特點

1.升溫(wen)時間在試驗(yan)電(dian)壓下，元(yuan)件從(cong)環境溫(wen)度升至(zhi)試驗(yan)溫(wen)度時間應不大于15min

2.額定(ding)功(gong)率偏差(cha)在充分發熱的條件(jian)(jian)(jian)下，元(yuan)(yuan)件(jian)(jian)(jian)的額定(ding)功(gong)率的偏差(cha)應不(bu)超過下列規定(ding)的范圍;對額定(ding)功(gong)率小于等于100W的元(yuan)(yuan)件(jian)(jian)(jian)為:士10%。對額定(ding)功(gong)率大(da)于100W的元(yuan)(yuan)件(jian)(jian)(jian)為+5%~- 10%或(huo)10W,取兩者中的較大(da)值(zhi)。

3.泄(xie)(xie)露電(dian)(dian)(dian)(dian)流(liu)(liu)冷(leng)態泄(xie)(xie)露電(dian)(dian)(dian)(dian)流(liu)(liu)以(yi)及水壓和密封試(shi)(shi)驗后泄(xie)(xie)露電(dian)(dian)(dian)(dian)流(liu)(liu)應不(bu)超(chao)過0.5mA工作溫度下的熱(re)(re)態泄(xie)(xie)露電(dian)(dian)(dian)(dian)流(liu)(liu)應不(bu)超(chao)過公式(shi)中(zhong)的計算值，但不(bu)超(chao)過5mA I=1/6 (tTX0.00001) I一(yi) 熱(re)(re)態泄(xie)(xie)露電(dian)(dian)(dian)(dian)流(liu)(liu)mA t-發(fa)熱(re)(re)長度mm T-工作溫度C多個(ge)元件(jian)串聯到電(dian)(dian)(dian)(dian)源中(zhong)時，應以(yi)這一(yi)組元件(jian)為 整體進行泄(xie)(xie)露電(dian)(dian)(dian)(dian)流(liu)(liu)試(shi)(shi)驗。

4. 絕(jue)緣電(dian)阻(zu)出廠(chang)檢驗(yan)時(shi)冷態(tai)(tai)絕(jue)緣電(dian)阻(zu)應(ying)(ying)不小(xiao)于50MQ密封試驗(yan)后(hou)，長期存(cun)放或者(zhe)使用(yong)后(hou)的(de)絕(jue)緣電(dian)阻(zu)應(ying)(ying)不消與MQ工(gong)(gong)作溫度下的(de)熱態(tai)(tai)絕(jue)緣電(dian)阻(zu)應(ying)(ying)不低于公式中的(de)計算(suan)值(zhi)，但應(ying)(ying)不小(xiao)于1MQ R=「(10-0.015T) /t」X0.001 R熱態(tai)(tai)絕(jue)緣電(dian)阻(zu)MQ t一-發 熱長度mmT一工(gong)(gong)作溫度°C

5.絕緣耐(nai)壓(ya)強度(du)元件應在(zai)規定的試(shi)驗條(tiao)件和試(shi)驗電壓(ya)下(xia)保持1min,而無閃絡(luo)和擊穿現象

6.經受通(tong)斷電(dian)的能力元件(jian)應(ying)能在規定(ding)的試驗條件(jian)下經歷2000次通(tong)斷電(dian)試驗，而(er)不發生損壞