防(fang)(fang)爆(bao)加熱(re)(re)(re)管(guan)(guan)(guan)(guan)是(shi)一種消(xiao)耗電能(neng)(neng)轉換為熱(re)(re)(re)能(neng)(neng)，來對需加熱(re)(re)(re)物料(liao)進行加熱(re)(re)(re)。防(fang)(fang)爆(bao)加熱(re)(re)(re)管(guan)(guan)(guan)(guan)是(shi)由外(wai)(wai)到里外(wai)(wai)殼（不繡鋼/碳鋼/銅/鈦材等(deng)、發熱(re)(re)(re)絲（鎳鉻鉛(qian)合金）、填充物（氧化鎂，作用(yong)是(shi)導(dao)熱(re)(re)(re)、絕緣(yuan)）、外(wai)(wai)殼（不繡鋼、碳鋼、鈦材、銅  等(deng)）、陶瓷(ci)封(feng)頭(tou)（作用(yong)：絕緣(yuan)）、防(fang)(fang)爆(bao)盒(he)組成的。加熱(re)(re)(re)管(guan)(guan)(guan)(guan)在工(gong)作中(zhong)(zhong)低溫流體介質通過管(guan)(guan)(guan)(guan)道在壓(ya)力(li)作用(yong)下進入其(qi)輸入口(kou)，沿著電加熱(re)(re)(re)容器內部特(te)定換熱(re)(re)(re)流道，運(yun)用(yong)空氣(qi)電熱(re)(re)(re)管(guan)(guan)(guan)(guan)的流體熱(re)(re)(re)力(li)學原理設計的路徑，帶走空氣(qi)加熱(re)(re)(re)管(guan)(guan)(guan)(guan)中(zhong)(zhong)的電熱(re)(re)(re)元件工(gong)作中(zhong)(zhong)所(suo)產生的高(gao)(gao)溫熱(re)(re)(re)能(neng)(neng)量，使空氣(qi)加熱(re)(re)(re)管(guan)(guan)(guan)(guan)被加熱(re)(re)(re)介質溫度升高(gao)(gao)，加熱(re)(re)(re)管(guan)(guan)(guan)(guan)出口(kou)得到工(gong)藝要求的高(gao)(gao)溫介質。

產品(pin)特點

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

2.額定功(gong)率(lv)(lv)偏差在充分發(fa)熱的(de)(de)條件(jian)(jian)下，元件(jian)(jian)的(de)(de)額定功(gong)率(lv)(lv)的(de)(de)偏差應不超過下列(lie)規定的(de)(de)范圍;對額定功(gong)率(lv)(lv)小(xiao)于等于100W的(de)(de)元件(jian)(jian)為(wei):士10%。對額定功(gong)率(lv)(lv)大于100W的(de)(de)元件(jian)(jian)為(wei)+5%~- 10%或10W,取兩者中的(de)(de)較大值。

3.泄(xie)露(lu)電(dian)流(liu)冷態泄(xie)露(lu)電(dian)流(liu)以及水壓和密(mi)封試驗后泄(xie)露(lu)電(dian)流(liu)應(ying)不超過0.5mA工(gong)作溫度下(xia)的熱態泄(xie)露(lu)電(dian)流(liu)應(ying)不超過公式中(zhong)的計算值，但不超過5mA I=1/6 (tTX0.00001) I一(yi) 熱態泄(xie)露(lu)電(dian)流(liu)mA t-發熱長(chang)度mm T-工(gong)作溫度C多個元件(jian)串聯到電(dian)源(yuan)中(zhong)時，應(ying)以這一(yi)組(zu)元件(jian)為 整體進(jin)行泄(xie)露(lu)電(dian)流(liu)試驗。

4. 絕(jue)緣(yuan)(yuan)電(dian)(dian)阻出(chu)廠檢(jian)驗(yan)時冷態(tai)絕(jue)緣(yuan)(yuan)電(dian)(dian)阻應不(bu)小(xiao)于50MQ密封試驗(yan)后，長期存放或者使用(yong)后的(de)絕(jue)緣(yuan)(yuan)電(dian)(dian)阻應不(bu)消與MQ工作溫度(du)(du)下的(de)熱(re)(re)態(tai)絕(jue)緣(yuan)(yuan)電(dian)(dian)阻應不(bu)低(di)于公(gong)式中的(de)計算值，但(dan)應不(bu)小(xiao)于1MQ R=「(10-0.015T) /t」X0.001 R熱(re)(re)態(tai)絕(jue)緣(yuan)(yuan)電(dian)(dian)阻MQ t一-發 熱(re)(re)長度(du)(du)mmT一工作溫度(du)(du)°C

5.絕(jue)緣耐(nai)壓強度(du)元件應在規定的試驗(yan)(yan)條件和試驗(yan)(yan)電壓下保持1min,而無閃絡(luo)和擊穿(chuan)現象(xiang)

6.經(jing)受通(tong)斷(duan)電(dian)的能力元件應(ying)能在(zai)規定的試驗(yan)條件下經(jing)歷(li)2000次通(tong)斷(duan)電(dian)試驗(yan)，而不發生損壞