防(fang)爆(bao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)是(shi)一種(zhong)消耗電能(neng)(neng)轉(zhuan)換(huan)為(wei)熱(re)(re)(re)能(neng)(neng)，來對需加(jia)(jia)(jia)(jia)熱(re)(re)(re)物料進(jin)行加(jia)(jia)(jia)(jia)熱(re)(re)(re)。防(fang)爆(bao)加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)是(shi)由外到里外殼（不繡鋼(gang)(gang)/碳(tan)鋼(gang)(gang)/銅/鈦材等(deng)、發熱(re)(re)(re)絲（鎳鉻鉛合(he)金）、填充物（氧化鎂，作(zuo)用是(shi)導熱(re)(re)(re)、絕緣）、外殼（不繡鋼(gang)(gang)、碳(tan)鋼(gang)(gang)、鈦材、銅  等(deng)）、陶瓷封頭（作(zuo)用：絕緣）、防(fang)爆(bao)盒組成的(de)(de)。加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)在工作(zuo)中(zhong)低溫(wen)(wen)流體介(jie)質(zhi)通(tong)過管(guan)(guan)(guan)道(dao)在壓(ya)力作(zuo)用下進(jin)入其輸入口，沿著電加(jia)(jia)(jia)(jia)熱(re)(re)(re)容器(qi)內部特定換(huan)熱(re)(re)(re)流道(dao)，運用空氣電熱(re)(re)(re)管(guan)(guan)(guan)的(de)(de)流體熱(re)(re)(re)力學原理設計的(de)(de)路(lu)徑，帶走空氣加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)中(zhong)的(de)(de)電熱(re)(re)(re)元件(jian)工作(zuo)中(zhong)所產生的(de)(de)高溫(wen)(wen)熱(re)(re)(re)能(neng)(neng)量，使空氣加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)被加(jia)(jia)(jia)(jia)熱(re)(re)(re)介(jie)質(zhi)溫(wen)(wen)度升高，加(jia)(jia)(jia)(jia)熱(re)(re)(re)管(guan)(guan)(guan)出口得到工藝要求的(de)(de)高溫(wen)(wen)介(jie)質(zhi)。

產(chan)品特點

1.升溫(wen)時(shi)間在試驗電(dian)壓下，元(yuan)件從環(huan)境溫(wen)度(du)升至試驗溫(wen)度(du)時(shi)間應不大于15min

2.額(e)(e)定(ding)功(gong)率(lv)(lv)(lv)偏差(cha)在充(chong)分發熱(re)的(de)(de)條(tiao)件(jian)(jian)下，元(yuan)件(jian)(jian)的(de)(de)額(e)(e)定(ding)功(gong)率(lv)(lv)(lv)的(de)(de)偏差(cha)應不超(chao)過下列規定(ding)的(de)(de)范圍;對額(e)(e)定(ding)功(gong)率(lv)(lv)(lv)小于等于100W的(de)(de)元(yuan)件(jian)(jian)為:士10%。對額(e)(e)定(ding)功(gong)率(lv)(lv)(lv)大(da)于100W的(de)(de)元(yuan)件(jian)(jian)為+5%~- 10%或10W,取兩者中的(de)(de)較大(da)值。

3.泄(xie)露(lu)電(dian)(dian)(dian)流(liu)冷態泄(xie)露(lu)電(dian)(dian)(dian)流(liu)以及水壓(ya)和密封(feng)試(shi)驗(yan)后泄(xie)露(lu)電(dian)(dian)(dian)流(liu)應不超過0.5mA工(gong)作溫度下的(de)熱(re)態泄(xie)露(lu)電(dian)(dian)(dian)流(liu)應不超過公式中(zhong)的(de)計算值，但不超過5mA I=1/6 (tTX0.00001) I一 熱(re)態泄(xie)露(lu)電(dian)(dian)(dian)流(liu)mA t-發(fa)熱(re)長度mm T-工(gong)作溫度C多(duo)個元(yuan)件(jian)串聯(lian)到電(dian)(dian)(dian)源中(zhong)時(shi)，應以這一組元(yuan)件(jian)為 整體進行(xing)泄(xie)露(lu)電(dian)(dian)(dian)流(liu)試(shi)驗(yan)。

4. 絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)阻出廠檢驗(yan)時冷態(tai)絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)阻應不(bu)(bu)小于(yu)50MQ密封試驗(yan)后(hou)，長期(qi)存放或者使用(yong)后(hou)的絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)阻應不(bu)(bu)消與MQ工(gong)作(zuo)溫(wen)度(du)(du)下的熱態(tai)絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)阻應不(bu)(bu)低于(yu)公式中的計(ji)算(suan)值，但應不(bu)(bu)小于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態(tai)絕(jue)(jue)(jue)緣(yuan)(yuan)(yuan)電(dian)(dian)阻MQ t一-發 熱長度(du)(du)mmT一工(gong)作(zuo)溫(wen)度(du)(du)°C

5.絕緣(yuan)耐壓(ya)強度元件(jian)應在規定的試驗條(tiao)件(jian)和試驗電壓(ya)下保持1min,而無(wu)閃絡和擊穿現(xian)象

6.經受通斷電(dian)的(de)能(neng)力(li)元件應能(neng)在規定的(de)試驗條件下經歷2000次通斷電(dian)試驗，而不(bu)發生損壞