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style="font-size:14px"><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">本文用工程實例對燃氣鍋爐機組送、引風(fēng)機選型過程進行介紹。分別對設(shè)計參數(shù)輸入、燃燒計算、阻力計算等幾個關(guān)鍵步驟進行分析，對風(fēng)機選擇中一些需要注意的問題作出提示。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　關(guān)鍵詞：燃氣鍋爐風(fēng)機選型燃燒計算阻力計算 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　東北某煉鋼廠為實現(xiàn)節(jié)能減排和環(huán)保的需要，利用煉鋼、煉鐵的副產(chǎn)品高爐煤氣和轉(zhuǎn)爐煤氣作為燃料建設(shè)兩臺煤氣發(fā)電機組。本文對該煤氣發(fā)電機組</span><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">鍋爐風(fēng)機</span><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">選型過程作簡單介紹。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　1 工程概況與設(shè)計參數(shù) </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　工程裝機規(guī)模為2×25MW高溫高壓純凝式汽輪發(fā)電機組，配套建設(shè)2臺130t/h高溫高壓煤氣鍋爐，每臺鍋爐配置一臺送風(fēng)機和一臺引風(fēng)機，兩臺爐合用一座煙囪。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　燃料消耗量 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　鍋爐效率按給定值計算，在鍋爐大連續(xù)蒸發(fā)量工況下，130t/h高溫高壓煤氣鍋爐的耗氣量如下： </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　一臺爐每小時耗高爐煤氣氣量（Nm3/h）：70000轉(zhuǎn)爐煤氣18000。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　兩臺爐每小時耗高爐煤氣氣量（Nm3/h）：140000轉(zhuǎn)爐煤氣36000。 </span></span></p><p><strong>燃燒爐熱風(fēng)循環(huán)風(fēng)機廠家</strong></p><p><span style="font-size:14px"><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">產(chǎn)物計算 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　按燃料*燃燒產(chǎn)生的理論煙氣量： </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　三原子氣體體積：VRO2=VCO2+VSO2=0.01(CO2+CO+∑mCmHn+H2S) </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　理論水蒸氣體積：V0H2O =0.01（H2+H2S+∑CmHn+0.124d）+0.016V0 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　d——空氣的含濕量，g/m3 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　理論氮氣體積：V0N2=0.79V0+0.01N2；理論煙氣總體積：V0f= VRO2+V0H2O+V0N2 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　2.4 爐膛出口實際煙氣量 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　爐膛出口實際煙氣量包括理論煙氣量與*燃燒剩余的干空氣量及這部分干空氣攜帶的水蒸氣之和Vf=V0f+1.0161(α”-1)V0。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　2.5 燃燒計算結(jié)果介紹 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　單臺爐燃氣量：70000+18000=88000Nm3/h；單臺鍋爐空氣預(yù)熱器空氣量：82000Nm3/h；單臺鍋爐爐膛出口煙氣量：153000Nm3/h。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　2.6 風(fēng)管阻力計算 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　鍋爐空氣側(cè)全壓降Δhs包括燃燒器阻力、空氣預(yù)熱器阻力等，由鍋爐廠提供。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　風(fēng)道摩擦阻力△hm=λ*ρ** </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　式中λ——摩擦阻力系數(shù)金屬風(fēng)、煙道取0.02； </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　L——管段長度，m；de——管道當(dāng)量直徑，m；ρ——密度，kg/m3；ω——流速，m/s </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　風(fēng)道局部阻力Δhf=ρ*ξ*ω2/2式中：ξ-局部阻力系數(shù)，查規(guī)范得出。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　風(fēng)道總阻力Δh=Δhf+△hm+Δhs </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　2.7 煙道阻力計算中煙道摩擦阻力和局部阻力計算方法與風(fēng)道相同。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　煙道總阻力Δh=Δhf+△hm+Δhs+△hch+△hcc-△hsd </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　2.8 計算結(jié)果介紹如下 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　送風(fēng)機送風(fēng)量計算：Vff=k1*Vj**=1.2*81567* *=105063m3/h </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　式中：k1——流量備用系數(shù)，按規(guī)范選取；Vj——標(biāo)準(zhǔn)狀態(tài)下空預(yù)器風(fēng)量 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">tlf——進入送風(fēng)機的冷空氣溫度；b——當(dāng)?shù)卮髿鈮?，kpa </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　送風(fēng)機風(fēng)壓計算：Hff=k2*△h*=1.2*3451*=4141Pa </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　式中：K2——風(fēng)壓備用系數(shù)，按規(guī)范選??；△h——空氣側(cè)總壓降；b——當(dāng)?shù)卮髿鈮海琸pa。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　根據(jù)以上計算選用G4-73No14D送風(fēng)機，風(fēng)量110000m3/h，風(fēng)壓4500Pa。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　引風(fēng)機排風(fēng)量計算：Vif=k1*Vj**=1.2*158817* *=288314m3/h </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　式中：k1——流量備用系數(shù)，按規(guī)范選?。籚j——標(biāo)準(zhǔn)狀態(tài)下空預(yù)器風(fēng)量 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　Tp——引風(fēng)機銘牌溫度；b——當(dāng)?shù)卮髿鈮?，kpa。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　引風(fēng)機風(fēng)壓計算：Hif=k2*△h*=1.2*3382*=4058Pa </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　式中：K2——風(fēng)壓備用系數(shù)，按規(guī)范選??；△h——煙氣側(cè)總阻力；b——當(dāng)?shù)卮髿鈮海琸pa。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　根據(jù)以上計算選用Y4-73No20D送風(fēng)機，風(fēng)量286000m3/h，風(fēng)壓4220Pa。 </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　3 總結(jié) </span><br /><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">　　</span><strong><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana"> </span></strong><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">在我國燃煤機組送、引風(fēng)機選型已經(jīng)相當(dāng)成熟，利用高爐煤氣進行發(fā)電在近幾年才逐漸興起。本文重點對煤氣鍋爐風(fēng)機選型過程中的計算部分進行介紹，有助于理清設(shè)計思路，對新參加工作的設(shè)計人員有一定的指導(dǎo)作用。</span></span></p><p><span style="font-size:14px"><span style="color:rgb(51, 46, 56); font-family:微軟雅黑,宋體,times new roman,verdana">全風(fēng)風(fēng)機RB-200AS RB-200A(200W) RB-400AS RB-400A（400W）RB-750AS RB-750A（0.75KW） RB-022S RB-022（1.5KW） RB-033S RB-033(2.2KW) RB-055(3.7KW) RB-077(5.5KW) RB-1010(7.5KW) RB-1515(11KW) RB-1520(15KW) 1、中國臺灣鼓風(fēng)機CX透浦式型號如下： CX-1/4（200W）)(CX-75S（400W） CX-75（750W）CX-100（1.5KW）CX-125（2.2KW） CX-5（3.7KW）CX-7.5(5.5KW 全風(fēng)風(fēng)機TB透浦式型號如下： TB-201（0.75KW）TB-202(1.5KW)TB-505(2.2KW)TB-1007(5.5KW) TB-1010(7.5KW)TB-20015(11KW)TB-20020(15KW) TB-125(2.2KW)TB-150（3.7KW）TB-180(5.5KW) 3、透浦多段式鼓風(fēng)機HTB型號如下： HTB75-302HTB75-032HTB75-104HTB75-105HTB100-102 HTB100-203HTB100-304HTB100-505HTB125-503HTB125-704 HTB125-1005HTB200-1502HTB200-2002 4、中國臺灣風(fēng)機PF如下： PF-75PF-100LPF-125LPF1502PF-1503PF-2005PF-125二、全風(fēng)中壓離心鼓風(fēng)機 4、直葉式鼓風(fēng)機型號如下： PF-75PF-100LPF-125LPF1502PF-1503PF-2005PF-125 5、冷卻風(fēng)機型號如下： CS-50CS-65CS-75CS-100CS-551CS751 MS-202MS-405MS-751MS-1502FMS-202FMS-405FMS-751 6、多翼式鼓風(fēng)機型號如下： SSD-1/4SSD-1/2SSD-1SSD-2SSD-3 SSD-1/4CSSD-1/2CSSD-1CSSD-2CSSD-3C 全風(fēng)環(huán)保公司是專業(yè)生產(chǎn)制造全風(fēng)風(fēng)機，全風(fēng)鼓風(fēng)機，全風(fēng)高壓風(fēng)機，透浦式鼓風(fēng)機，工業(yè)吸塵機，鼓風(fēng)機。集塵機，集塵器，工業(yè)除塵器及除塵系統(tǒng)工程。環(huán)型高壓鼓風(fēng)機、透浦多段式鼓風(fēng)機等各種中、低壓風(fēng)機，吸塵機、等用于工業(yè)界馬達：依歐洲CE規(guī)格制作</span></span></p><br /> <br /> <div id="d9ig2e5v5" class="pro_con_tlt" id="cpzx"><span>留言詢價</span></div> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div id="d9ig2e5v5" class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產(chǎn)品：</h4> <div id="d9ig2e5v5" class="msg_ipt1"><input class="textborder" size="30" name="Product" id="Product" value="燃燒爐熱風(fēng)循環(huán)風(fēng)機廠家" placeholder="請輸入產(chǎn)品名稱" /></div> </li> <li> <h4>您的單位：</h4> <div id="d9ig2e5v5" 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