防爆加熱(re)(re)管(guan)(guan)(guan)(guan)是一種(zhong)消耗電(dian)能轉換為熱(re)(re)能，來對需加熱(re)(re)物料進行加熱(re)(re)。防爆加熱(re)(re)管(guan)(guan)(guan)(guan)是由外到(dao)里外殼(ke)（不繡(xiu)鋼(gang)/碳鋼(gang)/銅/鈦(tai)材等、發熱(re)(re)絲（鎳鉻(ge)鉛合金）、填充物（氧化鎂，作用是導熱(re)(re)、絕(jue)緣）、外殼(ke)（不繡(xiu)鋼(gang)、碳鋼(gang)、鈦(tai)材、銅  等）、陶瓷封頭(tou)（作用：絕(jue)緣）、防爆盒組成的(de)。加熱(re)(re)管(guan)(guan)(guan)(guan)在工作中低(di)溫(wen)流(liu)體介質通過(guo)管(guan)(guan)(guan)(guan)道在壓(ya)力作用下進入其(qi)輸(shu)入口，沿著電(dian)加熱(re)(re)容器內部(bu)特定換熱(re)(re)流(liu)道，運用空(kong)氣(qi)電(dian)熱(re)(re)管(guan)(guan)(guan)(guan)的(de)流(liu)體熱(re)(re)力學原理設計的(de)路徑，帶走空(kong)氣(qi)加熱(re)(re)管(guan)(guan)(guan)(guan)中的(de)電(dian)熱(re)(re)元件工作中所產(chan)生的(de)高溫(wen)熱(re)(re)能量，使空(kong)氣(qi)加熱(re)(re)管(guan)(guan)(guan)(guan)被加熱(re)(re)介質溫(wen)度升高，加熱(re)(re)管(guan)(guan)(guan)(guan)出(chu)口得到(dao)工藝要求的(de)高溫(wen)介質。

產品(pin)特點

1.升溫(wen)時(shi)間在試(shi)驗電壓下，元件從環境溫(wen)度升至(zhi)試(shi)驗溫(wen)度時(shi)間應(ying)不(bu)大(da)于(yu)15min

2.額定(ding)(ding)功(gong)率(lv)(lv)偏差在充(chong)分(fen)發熱的(de)(de)條(tiao)件(jian)下，元件(jian)的(de)(de)額定(ding)(ding)功(gong)率(lv)(lv)的(de)(de)偏差應不(bu)超過下列(lie)規(gui)定(ding)(ding)的(de)(de)范圍;對額定(ding)(ding)功(gong)率(lv)(lv)小(xiao)于(yu)等于(yu)100W的(de)(de)元件(jian)為:士(shi)10%。對額定(ding)(ding)功(gong)率(lv)(lv)大(da)于(yu)100W的(de)(de)元件(jian)為+5%~- 10%或10W,取兩(liang)者中(zhong)的(de)(de)較大(da)值。

3.泄(xie)(xie)(xie)(xie)露電(dian)(dian)(dian)流冷態泄(xie)(xie)(xie)(xie)露電(dian)(dian)(dian)流以及(ji)水壓(ya)和密(mi)封試驗(yan)(yan)后泄(xie)(xie)(xie)(xie)露電(dian)(dian)(dian)流應不(bu)超過0.5mA工作溫度(du)下的熱態泄(xie)(xie)(xie)(xie)露電(dian)(dian)(dian)流應不(bu)超過公式中(zhong)的計(ji)算值，但不(bu)超過5mA I=1/6 (tTX0.00001) I一 熱態泄(xie)(xie)(xie)(xie)露電(dian)(dian)(dian)流mA t-發(fa)熱長(chang)度(du)mm T-工作溫度(du)C多個元(yuan)件串(chuan)聯到電(dian)(dian)(dian)源中(zhong)時，應以這一組(zu)元(yuan)件為 整體進行泄(xie)(xie)(xie)(xie)露電(dian)(dian)(dian)流試驗(yan)(yan)。

4. 絕(jue)緣(yuan)電(dian)阻(zu)(zu)出廠(chang)檢驗時冷態(tai)絕(jue)緣(yuan)電(dian)阻(zu)(zu)應不小于(yu)50MQ密(mi)封試驗后，長期(qi)存放或(huo)者使用后的絕(jue)緣(yuan)電(dian)阻(zu)(zu)應不消(xiao)與MQ工作(zuo)溫度(du)下的熱態(tai)絕(jue)緣(yuan)電(dian)阻(zu)(zu)應不低于(yu)公式中(zhong)的計算值，但應不小于(yu)1MQ R=「(10-0.015T) /t」X0.001 R熱態(tai)絕(jue)緣(yuan)電(dian)阻(zu)(zu)MQ t一-發 熱長度(du)mmT一工作(zuo)溫度(du)°C

5.絕緣耐壓強度元件應在規定的試(shi)驗條件和(he)試(shi)驗電壓下保(bao)持(chi)1min,而無閃絡和(he)擊穿現象

6.經(jing)受(shou)通(tong)斷電的能力元(yuan)件應(ying)能在規定(ding)的試驗條件下經(jing)歷2000次通(tong)斷電試驗，而不發生(sheng)損壞(huai)