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TA型安全閥排汽消音器采用了噴阻抗復(fù)合型消音原理

發(fā)布時(shí)間:2025-02-13 01:25:09瀏覽數(shù):

排汽消音器適用于電站鍋爐PCVERV安全閥(動(dòng)力釋放閥)、鍋筒安全閥及過(guò)熱器安全閥、再熱器安全閥等壓力裝置的安全門(mén)。其蒸汽放空既應(yīng)避遙遙過(guò)大的噪聲，更應(yīng)讓汽流順利排出而不影響安全閥的排量、起跳和回座，為此，以往常見(jiàn)的多遙遙節(jié)流及小孔噴注的消音降音手段即不宜采用。用于安全閥的TA型安全閥排汽消音器采用了噴阻抗復(fù)合型消音原理，其中以大孔擴(kuò)容代替了直徑較小的控流孔，在結(jié)構(gòu)上更加強(qiáng)化了抗遙遙和阻遙遙消音降音機(jī)理，達(dá)到了安全系數(shù)更高的消音降噪遙遙。排汽消音器高壓蒸汽在消音器內(nèi)經(jīng)遙遙控流后進(jìn)入降壓體，經(jīng)大容積再次擴(kuò)容降壓后，從而形成低壓蒸汽后噴出，在此過(guò)程中，汽流內(nèi)能部分轉(zhuǎn)化成某種頻率的聲能，其噪聲雖然功率大為削弱，但往往會(huì)因排汽偏離設(shè)計(jì)值等諸多原因，使排氣噪聲仍然高于標(biāo)準(zhǔn)值。為此，在降壓體外設(shè)計(jì)了組合型多材料復(fù)合結(jié)構(gòu)的阻聲吸音罩，復(fù)合阻聲吸音罩是根據(jù)降壓體所噴出的剩余噪聲的頻譜特遙遙所設(shè)計(jì)，用以地吸收剩余噪聲。

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排汽消聲器是生產(chǎn)的主要用于電力、石油、化工、冶金、紡織等工業(yè)鍋爐蒸汽排放及其它氣體排放時(shí)的有-消-。是消除蒸汽放動(dòng)力-噪聲的-要降噪-設(shè)備。

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