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target="_blank">臥式暗裝風機盤管</a>廠家為您解讀下其中的重要性。風機盤管又稱中央空調的末端設備，它主要由電機和冷疑管及接水盤構成風機盤管的工作原理是主要依靠風機的強制作用，使空氣通過加熱器表面時被加熱或冷卻，因而強化了熱交換起器與空氣間的對流換熱效果，能夠迅速加熱或冷卻房間的空氣。風機盤管是空調系統的末端裝置，機組內不斷的再循環所在房間的空氣，使空氣通過冷水(熱水)盤管后被冷卻(加熱),以保持房間溫度的恒定。</p><p><img title="臥式暗裝風機盤管" src="http://www.izmiryasamkoclugu.com/Content/ueditor-builder/net/upload1/Other/16675/6370684329672659806540726.jpg" style="margin: 0px; padding: 0px; border: none; vertical-align: middle; display: inline-block; color: rgb(51, 51, 51); font-family: "Helvetica Neue", Helvetica, "PingFang SC", 微軟雅黑, Tahoma, Arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255); float: none;"/></p><p> 風機盤管漏風量測試不僅關系到風機盤管的加工制作、安裝質量和的提高，而且對運行過程中控制系統滲漏，節能降耗有著重大意義。以往因通風空調系統的風管系統安裝和設備制造中,由于接縫不嚴而漏掉的風量估計可能達到系統總風量的10%~15%。漏風量所造成的能耗損失經常被忽略。本文將以風機盤管漏風量測試臺為例，介紹風機盤管漏風量測試的操作步驟和注意問題。</p><p> 測試準備工作國家標準的風機盤管性能試驗的風路系統包括:靜壓室、混合室，排氣室、空氣混合裝置、空氣干，濕球溫度取樣裝置、流量測量噴嘴以及輔助風機等。靜壓室的截面尺寸應與被測風機盤管出口尺寸相同,其長度應使空氣阻力為小?；旌鲜?、排氣室的截面尺寸可根據噴嘴安裝尺寸的要求決定。</p><p> 風路系統應:</p><p> ①便于調節試驗所需要的風量，并能滿足風機盤管出口所要求的靜壓值:</p><p> ②保證空氣的溫度、濕度、速度分布的均勻性:</p><p> ③在會影響流量測量的管段中的漏風量應小于被測風機盤管風量的1%:</p><p> ④靜壓室至排氣室之間應隔熱，其漏熱量應小于被測風機盤管供冷量的2%。</p><p> 根據以上要求廠家用不銹鋼管自制了漏風量測試臺?？勺鳛槁╋L量范圍為9-86m'/h的各類風機盤管的漏風量測試。</p><p> 測試臺的漏風量測量裝置設計的大測試漏風量為86 m'/h,共配有4個不同口徑的標準文丘里噴嘴,分別為中15一個，中20-個，φ25一個，中25一個。選用風機的風量應大于被測定系統規定實驗壓力及及大允許漏風量的1.2倍。測試臺選用的變頻風機為低噪音離心式通風機，流量960 m'/h,全壓1980 Pa。風機盤管選用循環風量500 m/h,制冷量800W的臥式安裝風機盤管一臺。在測試之前要根據測試的要求風量選擇適用的測量噴嘴。測試臺漏風量測量裝置的風量測量范圍理論值為9-86m2/h.請根據下表選擇適用的流量噴嘴。選擇噴嘴時，應盡量使被測機的標稱風量在測量范圍的中間，如某次測試的標程風量為50 m>/h,有幾種選擇方案:(1)一個中25的噴嘴。(2)一個中30的噴嘴。當然，方案B才是佳方案。(如表1)風機盤管漏風量的測量是采用阻礙物式流量測量法原理進行，通過測定標準流量噴嘴前后靜壓差，確定被測試風機盤管的漏風量。</p><p> 以上就是臥式暗裝風機盤管廠家為您介紹的測量風機盤管漏風量的重要性，希望對您有所幫助。</p><p><br/></p></div> <div class="fanye"> <span class="fl">上一條: <a href="http://www.izmiryasamkoclugu.com/news-655985">臥式暗裝風機盤管漏風量測試具體操作步驟</a></span> <span class="fr">下一條: <a href="http://www.izmiryasamkoclugu.com/news-650250">臥式暗裝風機盤管的維護與保養注意的六大事項</a></a></span> </div> <div class="clear"></div> <div 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