減(jian)(jian)溫減(jian)(jian)壓裝置的工作原理:減(jian)(jian)溫減(jian)(jian)壓裝置的結構(gou)形式很(hen)多,但無論其形式如何,一般都(dou)由降(jiang)溫系統(tong)(tong)、減(jian)(jian)壓系統(tong)(tong)(或降(jiang)溫減(jian)(jian)壓系統(tong)(tong))和主(zhu)蒸汽管(guan)體、安全(quan)保護系統(tong)(tong)、熱控系統(tong)(tong)等幾部分組成。減(jian)(jian)溫減(jian)(jian)壓裝置的結構(gou)部件由減(jian)(jian)壓閥(fa)、節(jie)流孔、混汽管(guan)(帶噴嘴)、安全(quan)閥(fa)、供水 調節(jie)閥(fa)(fa)、節(jie)流閥(fa)(fa)、截止(zhi)閥(fa)(fa)、止(zhi)回(hui)閥(fa)(fa)、減壓水(shui)管、法蘭(lan)、標準件等。
1、降溫系統:冷卻水通過高壓差調(diao)節閥(或變(bian)頻(pin)水泵等)從不同形式的噴嘴以霧狀噴入文丘(qiu)里管或蒸汽(qi)管的蒸汽(qi)中,以降低蒸汽(qi)溫度。
2、減(jian)壓(ya)(ya)系(xi)統(tong):由(you)減(jian)壓(ya)(ya)閥和孔板組(zu)成。減(jian)壓(ya)(ya)閥通過改變流通面積來(lai)達到調(diao)節(jie)壓(ya)(ya)力(li)的(de)目的(de)。
3、降溫(wen)(wen)減(jian)壓系(xi)統(tong)(tong):降溫(wen)(wen)系(xi)統(tong)(tong)和減(jian)壓系(xi)統(tong)(tong)合二(er)為(wei)一,減(jian)小了(le)減(jian)溫(wen)(wen)減(jian)壓裝置的(de)整體尺寸,增(zeng)加了(le)技術(shu)復雜度。
4、主蒸(zheng)(zheng)汽管(guan)體:由混合管(guan)和蒸(zheng)(zheng)汽管(guan)組成。根據用戶(hu)提供的(de)參數確定,是(shi)減(jian)溫減(jian)壓裝置的(de)主要(yao)設備,目的(de)是(shi)將降溫減(jian)壓后的(de)蒸(zheng)(zheng)汽送入(ru)用戶(hu)所需的(de)管(guan)道中(zhong)。
5、減溫減壓(ya)裝置安(an)(an)全(quan)系統(tong):為防(fang)止二次蒸汽(qi)壓(ya)力超(chao)過規定值(zhi),自動開啟安(an)(an)全(quan)閥排(pai)出多余蒸汽(qi),從(cong)而達到減壓(ya)和(he)安(an)(an)全(quan)保護的功(gong)能(neng)。
減(jian)壓系統(tong)采用雙閥(fa)座減(jian)壓閥(fa)結構,不平衡力小(xiao),調節范圍(wei)大,動作平穩,無(wu)卡(ka)阻。 減(jian)(jian)溫(wen)系(xi)(xi)統(tong)采(cai)用文丘里(li)管式(shi)噴嘴方式(shi),無傳動部件(jian),減(jian)(jian)溫(wen)水霧化效(xiao)(xiao)果好,噴嘴拆裝方便(bian),減(jian)(jian)溫(wen)減(jian)(jian)壓裝置(zhi)維修方便(bian)。減(jian)(jian)壓系(xi)(xi)統(tong)與減(jian)(jian)溫(wen)系(xi)(xi)統(tong)分(fen)(fen)離,主(zhu)要(yao)用于惡劣工況(kuang),如(ru)蒸汽流量低(di),不(bu)適合使用減(jian)(jian)溫(wen)減(jian)(jian)壓閥,飽和蒸汽(低(di)壓)工況(kuang)。減(jian)(jian)溫(wen)減(jian)(jian)壓裝置(zhi)主(zhu)要(yao)采(cai)用文丘里(li)管減(jian)(jian)溫(wen)方式(shi),減(jian)(jian)溫(wen)水充分(fen)(fen)霧化,達(da)到更好的減(jian)(jian)溫(wen)效(xiao)(xiao)果
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