法(fa)蘭式電加熱(re)管是采用U型(xing)管狀電熱(re)元(yuan)(yuan)件(jian)(jian)(jian),依(yi)據加熱(re)不同介質(zhi)設(she)(she)計(ji)規范,按照功(gong)率配置(zhi)要(yao)求(qiu)裝配在法(fa)蘭蓋上(shang),插(cha)入需加熱(re)物料中,發(fa)熱(re)元(yuan)(yuan)件(jian)(jian)(jian)工作時所(suo)發(fa)出(chu)的(de)大量熱(re)量傳導給被加熱(re)介質(zhi)使介質(zhi)溫(wen)度升(sheng)高,達(da)(da)(da)到所(suo)需的(de)工藝(yi)要(yao)求(qiu)。當(dang)介質(zhi)溫(wen)度達(da)(da)(da)到工藝(yi)要(yao)求(qiu)的(de)設(she)(she)定值(zhi)時控制(zhi)系統根據溫(wen)度傳感器信號,經PID運(yun)算后調節電加熱(re)器輸出(chu)功(gong)率,對發(fa)熱(re)元(yuan)(yuan)件(jian)(jian)(jian)的(de)電阻性負(fu)載(zai)實現溫(wen)度控制(zhi)。使介質(zhi)溫(wen)度均勻,達(da)(da)(da)到所(suo)需要(yao)求(qiu);當(dang)發(fa)熱(re)元(yuan)(yuan)件(jian)(jian)(jian)超溫(wen)或低(di)液位時,發(fa)熱(re)元(yuan)(yuan)件(jian)(jian)(jian)的(de)聯鎖保護裝置(zhi)立即切斷加熱(re)電源避免發(fa)熱(re)元(yuan)(yuan)件(jian)(jian)(jian)燒壞,延長使用壽命。
產品特點
法蘭(lan)(lan)式(shi)電(dian)加熱管(guan)表面(mian)(mian)功率大,是空氣(qi)加熱表面(mian)(mian)負荷的2~4倍高(gao)度密集式(shi)、結(jie)構緊(jin)湊。由于(yu)(yu)整體短而密集,故穩定性好(hao),安裝無需支(zhi)(zhi)(zhi)架組(zu)合式(shi)大多采用(yong)(yong)氬(ya)弧(hu)焊(han)接方式(shi)使電(dian)熱管(guan)于(yu)(yu)法蘭(lan)(lan)連接,也可利(li)用(yong)(yong)緊(jin)固裝置的形式(shi),即每支(zhi)(zhi)(zhi)電(dian)熱管(guan)上焊(han)由緊(jin)固件(jian)(jian)。然后與法蘭(lan)(lan)蓋(gai)采用(yong)(yong)螺母鎖緊(jin)。管(guan)子于(yu)(yu)緊(jin)固件(jian)(jian)采用(yong)(yong)氬(ya)弧(hu)焊(han)接,緊(jin)固件(jian)(jian)密封處采用(yong)(yong)科學的工藝。單(dan)支(zhi)(zhi)(zhi)更換方便(bian),節約以后的維(wei)修(xiu)成本。
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