法蘭式電(dian)加(jia)熱管是采用U型管狀電(dian)熱元件(jian),依據加(jia)熱不同介(jie)質(zhi)設(she)計規(gui)范,按照功率(lv)配置(zhi)要(yao)(yao)求(qiu)(qiu)裝配在法蘭蓋上(shang),插入需(xu)加(jia)熱物料中(zhong),發(fa)(fa)熱元件(jian)工(gong)作時所(suo)發(fa)(fa)出(chu)的(de)(de)大量熱量傳導給被加(jia)熱介(jie)質(zhi)使介(jie)質(zhi)溫(wen)(wen)度(du)升(sheng)高,達到(dao)所(suo)需(xu)的(de)(de)工(gong)藝要(yao)(yao)求(qiu)(qiu)。當(dang)介(jie)質(zhi)溫(wen)(wen)度(du)達到(dao)工(gong)藝要(yao)(yao)求(qiu)(qiu)的(de)(de)設(she)定值時控制(zhi)系統根據溫(wen)(wen)度(du)傳感(gan)器(qi)信(xin)號,經PID運(yun)算后調節電(dian)加(jia)熱器(qi)輸(shu)出(chu)功率(lv),對(dui)發(fa)(fa)熱元件(jian)的(de)(de)電(dian)阻性負(fu)載實現溫(wen)(wen)度(du)控制(zhi)。使介(jie)質(zhi)溫(wen)(wen)度(du)均勻,達到(dao)所(suo)需(xu)要(yao)(yao)求(qiu)(qiu);當(dang)發(fa)(fa)熱元件(jian)超溫(wen)(wen)或低液位時,發(fa)(fa)熱元件(jian)的(de)(de)聯鎖保護裝置(zhi)立即切斷(duan)加(jia)熱電(dian)源避(bi)免(mian)發(fa)(fa)熱元件(jian)燒壞,延長(chang)使用壽(shou)命。
產品特點
法(fa)蘭式(shi)電加熱(re)(re)管(guan)表面功(gong)率大,是空氣加熱(re)(re)表面負荷(he)的2~4倍高度密集式(shi)、結構緊(jin)(jin)湊(cou)。由(you)于(yu)整(zheng)體短而密集,故穩(wen)定性(xing)好,安裝(zhuang)無需支(zhi)架組合(he)式(shi)大多(duo)采用(yong)氬(ya)弧焊接方式(shi)使電熱(re)(re)管(guan)于(yu)法(fa)蘭連(lian)接,也可利用(yong)緊(jin)(jin)固裝(zhuang)置的形式(shi),即每支(zhi)電熱(re)(re)管(guan)上(shang)焊由(you)緊(jin)(jin)固件。然后(hou)與法(fa)蘭蓋(gai)采用(yong)螺母鎖緊(jin)(jin)。管(guan)子于(yu)緊(jin)(jin)固件采用(yong)氬(ya)弧焊接,緊(jin)(jin)固件密封處采用(yong)科學(xue)的工藝。單支(zhi)更(geng)換方便(bian),節約以后(hou)的維修(xiu)成(cheng)本。
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