減溫(wen)減壓(ya)(ya)裝置的工作(zuo)原理：減溫(wen)減壓(ya)(ya)裝置的結構形式很多，但(dan)無論其形式如何，一般都由(you)降溫(wen)系(xi)統、減壓(ya)(ya)系(xi)統（或(huo)降溫(wen)減壓(ya)(ya)系(xi)統）和主蒸(zheng)汽(qi)管體、安(an)全(quan)保護(hu)系(xi)統、熱控系(xi)統等幾(ji)部分組成。減溫(wen)減壓(ya)(ya)裝置的結構部件由(you)減壓(ya)(ya)閥(fa)、節流孔、混(hun)汽(qi)管（帶噴嘴）、安(an)全(quan)閥(fa)、供水(shui) 調(diao)節(jie)閥、節(jie)流閥、截止(zhi)閥、止(zhi)回閥、減壓水管、法(fa)蘭、標(biao)準件等。
1、降溫系統：冷卻水(shui)通過高壓差調節閥（或變頻(pin)水(shui)泵等）從不同(tong)形式的(de)噴嘴(zui)以霧狀噴入文丘里管(guan)或蒸汽(qi)管(guan)的(de)蒸汽(qi)中(zhong)，以降低(di)蒸汽(qi)溫度。
2、減壓系統：由減壓閥(fa)和孔板組成。減壓閥(fa)通過改變流通面積來達到調節壓力的(de)目的(de)。
3、降(jiang)溫減(jian)(jian)壓系統(tong)：降(jiang)溫系統(tong)和減(jian)(jian)壓系統(tong)合(he)二為(wei)一，減(jian)(jian)小了減(jian)(jian)溫減(jian)(jian)壓裝(zhuang)置的整體(ti)尺寸(cun)，增(zeng)加了技術復雜度(du)。
4、主(zhu)(zhu)蒸汽管(guan)(guan)體：由混合(he)管(guan)(guan)和(he)蒸汽管(guan)(guan)組成。根(gen)據用戶(hu)提供的(de)(de)參(can)數(shu)確定，是減(jian)溫(wen)(wen)減(jian)壓裝置的(de)(de)主(zhu)(zhu)要設備，目的(de)(de)是將降(jiang)溫(wen)(wen)減(jian)壓后的(de)(de)蒸汽送入用戶(hu)所需的(de)(de)管(guan)(guan)道(dao)中。
5、減(jian)溫減(jian)壓裝置安(an)全系統：為防止(zhi)二(er)次(ci)蒸汽(qi)壓力(li)超過規定值，自動(dong)開啟安(an)全閥排出多余蒸汽(qi)，從而達到減(jian)壓和安(an)全保護的功能。
減壓(ya)系(xi)統采用(yong)雙閥座減壓(ya)閥結(jie)構，不平(ping)(ping)衡力小，調節范圍(wei)大，動作平(ping)(ping)穩，無卡(ka)阻。 減(jian)(jian)(jian)(jian)溫(wen)(wen)(wen)系統(tong)(tong)采(cai)用(yong)(yong)文丘里管式(shi)(shi)噴嘴方式(shi)(shi)，無傳動部件(jian)，減(jian)(jian)(jian)(jian)溫(wen)(wen)(wen)水霧(wu)化(hua)效果好(hao)，噴嘴拆裝(zhuang)方便，減(jian)(jian)(jian)(jian)溫(wen)(wen)(wen)減(jian)(jian)(jian)(jian)壓(ya)(ya)裝(zhuang)置(zhi)(zhi)維修方便。減(jian)(jian)(jian)(jian)壓(ya)(ya)系統(tong)(tong)與(yu)減(jian)(jian)(jian)(jian)溫(wen)(wen)(wen)系統(tong)(tong)分(fen)離，主(zhu)要用(yong)(yong)于惡劣工況，如蒸汽流量(liang)低，不適合使(shi)用(yong)(yong)減(jian)(jian)(jian)(jian)溫(wen)(wen)(wen)減(jian)(jian)(jian)(jian)壓(ya)(ya)閥(fa)，飽和蒸汽（低壓(ya)(ya)）工況。減(jian)(jian)(jian)(jian)溫(wen)(wen)(wen)減(jian)(jian)(jian)(jian)壓(ya)(ya)裝(zhuang)置(zhi)(zhi)主(zhu)要采(cai)用(yong)(yong)文丘里管減(jian)(jian)(jian)(jian)溫(wen)(wen)(wen)方式(shi)(shi)，減(jian)(jian)(jian)(jian)溫(wen)(wen)(wen)水充分(fen)霧(wu)化(hua)，達到更(geng)好(hao)的減(jian)(jian)(jian)(jian)溫(wen)(wen)(wen)效果
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