燃氣系統
本(ben)系統由(you)燃(ran)(ran)(ran)氣(qi)(qi)閥組、燃(ran)(ran)(ran)氣(qi)(qi)熄(xi)滅(mie)機、助(zhu)燃(ran)(ran)(ran)風(feng)機,熱風(feng)爐(lu)和換(huan)熱器組成。由(you)燃(ran)(ran)(ran)料庫送來的燃(ran)(ran)(ran)料氣(qi)(qi),經過燃(ran)(ran)(ran)氣(qi)(qi)閥組送至熄(xi)滅(mie)機充沛熄(xi)滅(mie)。?
熄滅(mie)所需的空氣,經助(zhu)(zhu)燃風機進入爐膛協助(zhu)(zhu)熄滅(mie),高(gao)溫(wen)(wen)(wen)煙氣及冷空氣熱風爐內高(gao)溫(wen)(wen)(wen)換熱后,生成高(gao)溫(wen)(wen)(wen)氣體(ti)保送給(gei)用(yong)熱設備。?
自控特性
當熄(xi)(xi)(xi)滅機(ji)接納來自(zi)(zi)控(kong)制系統(tong)的起(qi)動(dong)信號時,熄(xi)(xi)(xi)滅器(qi)(qi)(qi)(qi)在其(qi)本(ben)身程(cheng)序(xu)控(kong)制器(qi)(qi)(qi)(qi)的作用下,開啟熄(xi)(xi)(xi)滅機(ji)鼓風機(ji)吹掃并點火(延時),開啟電(dian)磁閥至(zhi)點火位子,點火勝(sheng)利(li)(延時),著火(火焰監測),電(dian)磁閥開啟至(zhi)運轉(zhuan)(zhuan)位子,風門自(zi)(zi)動(dong)開大(da),進入(ru)全(quan)負荷(he)運轉(zhuan)(zhuan)(進入(ru)溫控(kong)階段(duan)),熄(xi)(xi)(xi)滅器(qi)(qi)(qi)(qi)運轉(zhuan)(zhuan)程(cheng)序(xu)完畢,如點火不勝(sheng)利(li),則熄(xi)(xi)(xi)滅器(qi)(qi)(qi)(qi)自(zi)(zi)動(dong)停機(ji),切斷供氣回(hui)路(lu),并報(bao)警自(zi)(zi)鎖(suo),下一次開機(ji)前(qian)必需先按(an)熄(xi)(xi)(xi)滅器(qi)(qi)(qi)(qi)程(cheng)控(kong)器(qi)(qi)(qi)(qi)上(shang)或電(dian)柜上(shang)的復位按(an)鈕,才干反復上(shang)面動(dong)作過程(cheng)。
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