防爆加熱(re)(re)(re)管(guan)是(shi)一種(zhong)消耗(hao)電(dian)能(neng)轉換為熱(re)(re)(re)能(neng)，來對需加熱(re)(re)(re)物(wu)料進行加熱(re)(re)(re)。防爆加熱(re)(re)(re)管(guan)是(shi)由(you)外(wai)到里(li)外(wai)殼(ke)（不繡(xiu)鋼/碳鋼/銅/鈦(tai)材等、發熱(re)(re)(re)絲(si)（鎳鉻鉛(qian)合金）、填充物(wu)（氧化鎂(mei)，作(zuo)用(yong)是(shi)導熱(re)(re)(re)、絕緣(yuan)）、外(wai)殼(ke)（不繡(xiu)鋼、碳鋼、鈦(tai)材、銅  等）、陶瓷封頭（作(zuo)用(yong)：絕緣(yuan)）、防爆盒組成(cheng)的。加熱(re)(re)(re)管(guan)在(zai)工(gong)作(zuo)中(zhong)(zhong)低溫(wen)(wen)(wen)流(liu)體(ti)介質通(tong)過(guo)管(guan)道在(zai)壓(ya)力作(zuo)用(yong)下進入其(qi)輸入口(kou)，沿(yan)著電(dian)加熱(re)(re)(re)容器內(nei)部(bu)特(te)定換熱(re)(re)(re)流(liu)道，運用(yong)空(kong)氣電(dian)熱(re)(re)(re)管(guan)的流(liu)體(ti)熱(re)(re)(re)力學原理設計的路徑，帶走空(kong)氣加熱(re)(re)(re)管(guan)中(zhong)(zhong)的電(dian)熱(re)(re)(re)元(yuan)件工(gong)作(zuo)中(zhong)(zhong)所產生的高溫(wen)(wen)(wen)熱(re)(re)(re)能(neng)量，使空(kong)氣加熱(re)(re)(re)管(guan)被加熱(re)(re)(re)介質溫(wen)(wen)(wen)度升高，加熱(re)(re)(re)管(guan)出口(kou)得到工(gong)藝要求(qiu)的高溫(wen)(wen)(wen)介質。

產品特點

1.升溫時間在試(shi)驗電壓下，元件從(cong)環境溫度(du)升至試(shi)驗溫度(du)時間應不大于15min

2.額(e)定功率偏差在充分發熱的條件(jian)(jian)下，元件(jian)(jian)的額(e)定功率的偏差應不超過下列(lie)規(gui)定的范圍;對(dui)額(e)定功率小(xiao)于(yu)(yu)等于(yu)(yu)100W的元件(jian)(jian)為(wei):士10%。對(dui)額(e)定功率大于(yu)(yu)100W的元件(jian)(jian)為(wei)+5%~- 10%或10W,取兩(liang)者中的較(jiao)大值。

3.泄(xie)露電(dian)(dian)(dian)流(liu)(liu)冷態(tai)泄(xie)露電(dian)(dian)(dian)流(liu)(liu)以及水壓和密封(feng)試驗后泄(xie)露電(dian)(dian)(dian)流(liu)(liu)應不(bu)超過0.5mA工(gong)作溫度下的熱(re)態(tai)泄(xie)露電(dian)(dian)(dian)流(liu)(liu)應不(bu)超過公式中的計算值，但不(bu)超過5mA I=1/6 (tTX0.00001) I一(yi) 熱(re)態(tai)泄(xie)露電(dian)(dian)(dian)流(liu)(liu)mA t-發熱(re)長度mm T-工(gong)作溫度C多個元(yuan)件串聯到電(dian)(dian)(dian)源中時，應以這一(yi)組元(yuan)件為 整體進(jin)行泄(xie)露電(dian)(dian)(dian)流(liu)(liu)試驗。

4. 絕緣(yuan)(yuan)電(dian)阻(zu)出廠檢驗時冷態絕緣(yuan)(yuan)電(dian)阻(zu)應不(bu)(bu)小(xiao)于(yu)50MQ密封試驗后，長期存放或者(zhe)使用后的絕緣(yuan)(yuan)電(dian)阻(zu)應不(bu)(bu)消(xiao)與MQ工(gong)作(zuo)溫(wen)度下的熱態絕緣(yuan)(yuan)電(dian)阻(zu)應不(bu)(bu)低于(yu)公式中(zhong)的計算值，但應不(bu)(bu)小(xiao)于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態絕緣(yuan)(yuan)電(dian)阻(zu)MQ t一-發 熱長度mmT一工(gong)作(zuo)溫(wen)度°C

5.絕緣耐壓強度(du)元件應在規定(ding)的試驗(yan)條(tiao)件和(he)試驗(yan)電壓下保持1min,而無閃絡和(he)擊穿(chuan)現象

6.經受通斷電的能(neng)力元件應能(neng)在規定的試驗(yan)條件下(xia)經歷2000次通斷電試驗(yan)，而不發生損壞