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</ul> </div> </dd> </dl> </div> <div class="MainC fr"> <dl> <dt><span class="STitle fl"><b>技術文章</b></span><span class="Position fr">您的位置：<a href="/">網站首頁</a> ><a href="/article.html">技術文章</a> >防爆風機為何有別與一般風機？</span></dt> <dd> <div class="View"> <div class="PageView"> <h1 id="inside_rnewtil">防爆風機為何有別與一般風機？</h1> <div class="inside_rnewtime">發布時間：2021-03-01 點擊次數：33次</div> <div class="inside_rnewcon"> 　　<strong><a href="http://www.wgoys.com/SonList-2216023.html" target="_blank">防爆風機</a></strong>是采用電機與葉輪直聯的風機簡單結構，改變了當前煤礦抽出式軸流通風及全部采用皮帶傳動或長軸傳動的復雜結構，利于運行和維修。風機可反轉，其反風量可達正風量的65%-85%，無需另設反風道，具有節約基建投資的優點。防爆風機是工礦企業常用的一種風機，不同于一般的風機它的電機和風葉都在一個圓筒里，外形就是一個筒形，用于局部通風，安裝方便，通風換氣效果明顯，安全，可以接風筒把風送到規定的區域。<div>　　防爆風機主要由防爆電機、葉片、風筒等主要部件構成。電機性能可靠、能耗低、壽命長。低噪節能、性能可靠。主軸轉速、電機功率或風量可根據用戶要求選配。風量大、通風換氣效果好；風帽采用玻璃鋼精工制作而成、圓筒是鋼質材料、硬度強、不怕風吹雨淋。風機有外形美觀，抗風雨的特點；安裝不占用室內空間，對場地要求較低；選用防爆風機一般不需要接風管，安裝維護相對比較簡單。</div><div>　　防爆風機與一般風機的區別主要體現在：</div><div>　　1.所有與氣體接觸的風機部件必須是非鐵制材料。一般采用鋁制部件，能在250℃以下工作。</div><div>　　2.風機的葉輪與軸通孔處的封圈必須是非鐵制材料。一般采用鋁制葉輪或鋁合金機殼。能在250℃以下工作。</div><div>　　3.風機結構必須確保葉輪或軸在產生不良移動時與其部件摩擦不會產生任何火花，電機機采用符合國家認證要求的防爆特種電動機，在電動機內部了產生短路、電線擊穿、過載待故障時不會發出高溫的火花、煙霧。</div></div> <div class="inside_newsthree"> <span><a href="/article.html">返回列表</a><a href="#">返回頂部</a></span> <div id="clear" ></div> <div> <p>上一篇 : <a href="/Article-2606036.html">多級離心風機的幾大主要構成解讀</a></p> <p>下一篇 : <a href="/Article-2550019.html">了解下鍋爐風機的選型參考說明</a></p></div> </div>  </div> </div> </dd> </dl> </div> </div> <div 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