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href="http://www.cdcfah.com/cp/third-fenxiyiqinh_caiyangqiyt/">采樣器</a>?連云港鍋爐給水取樣冷卻器品牌歡迎咨詢連云港廣潤機械設(shè)備供應(yīng)</p><div id="wliacov" class="leftbox clearfix"><h1>連云港鍋爐給水取樣冷卻器品牌歡迎咨詢連云港廣潤機械設(shè)備供應(yīng)</h1><div id="237vx7q" class="proBig"><div id="6qzrikr" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637357848246601562/6977557.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="5gxpb2o" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637357848246601562/6977557.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="5zr3stq" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>連云港鍋爐給水取樣冷卻器品牌,取樣</p><p><span>***更新：</span>2020-11-20 10:27:42</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="532w3dv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">連云港廣潤機械設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>王以坦</p><p><span>郵箱: </span>13511563155@163.com</p><p><span>電話: </span>13511563155</p><p><span>傳真: </span>135_</p><p><span>網(wǎng)址: </span>http://www.lyggrjx.com</p><p><span>手機: </span>135-1156</p><p><span>地址: </span>錦屏路88號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="t2yfmov" class="page-proshow02"><p class="title">詳細說明</p><div id="b3qxe2x" class="box"><p><p> 推入式煤粉取樣器是用于正壓直吹式制粉體系一次風送粉管道上煤粉取樣**設(shè)備。在磨煤機日常運行中，磨煤機研磨件的磨損、煤種、塊度的改變，煤粉細度將產(chǎn)生較大的改變，直接影響鍋爐燃燒效率，增加發(fā)電本錢，連云港鍋爐給水取樣冷卻器品牌，因而定時對煤粉細度取樣檢測，當煤粉細度超越規(guī)劃值時，及時調(diào)整、更換磨煤機研磨件或調(diào)整分離器折向門開度，以完成煤粉細度到達規(guī)劃要求，連云港鍋爐給水取樣冷卻器品牌。講講它有哪些設(shè)備要求： </p> <p> 現(xiàn)場需供給0.4—0.6Mpa壓縮空氣，連云港鍋爐給水取樣冷卻器品牌。 </p> <p> 該設(shè)備可筆直、水平設(shè)備在煤粉管道上密閉采樣器。它主要應(yīng)用于氣體或氣液混合的樣品收集。連云港鍋爐給水取樣冷卻器品牌</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港鍋爐給水取樣冷卻器品牌,取樣" src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637357848246601562/6977557.png"></div> 煤粉取樣器分別器和其底部的集粉瓶是密封銜接，能與外部連通的進口只需取樣頭和取樣管。所以負壓的出現(xiàn)促進煤粉管中的煤粉沿取樣管進入取樣設(shè)備，煤粉在分別器中被一次分別，并進入集粉瓶，而氣體及少量細粉從分別器的.上部出口經(jīng)出氣管內(nèi)的葉片作二次分別后，被壓縮空氣帶出，并從頭送入煤粉管道，對作業(yè)場所不發(fā)生污染。增加吹掃閥的效果就在于煤粉取樣前和取樣后，關(guān)吹掃閥,開取樣閥又能夠吹掃取樣管中的殘留在取樣管中的煤粉進行吹掃，以防取樣管被煤粉阻塞。并確保取樣精確具有典型性。 <p> 而固定式粉煤取樣設(shè)備，首要用于直吹式制粉體系一-次風煤粉管上守時煤粉取樣。因為磨煤機碾磨件的磨損、煤種、塊度的改動，煤粉細度將發(fā)生較大的改動，并直接影響鍋爐燃燒的功率，因而守時對煤粉細度取樣檢測，當煤粉的細度超越規(guī)劃值時，及時調(diào)整分別器折向]開度，或替換碾磨部件是十分必要的。連云港鍋爐給水取樣冷卻器品牌在磨煤機日常運行中，磨煤機研磨件的磨損、煤種、塊度的變化，煤粉細度將產(chǎn)生較大的變化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港鍋爐給水取樣冷卻器品牌,取樣" src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637357849318710937/9009317.png"></div><p> 多點自抽式飛灰取樣裝置工藝流程： </p> <p> 取樣過程中，當煙氣流進入取樣嘴后，經(jīng)過取樣管，沿器壁切線方向進入分離器，再沿器壁至上而下旋轉(zhuǎn)，在旋轉(zhuǎn)過程中，飛灰因重力慣性作用，被甩到器壁上，并沿器壁靠重力作用進入取樣瓶，而氣體由引出管排出。 </p> <p> 當煙氣流速為6m/s--14m/s 范圍時，等速取樣率＞95%，在機組負荷70~/F--全部范圍內(nèi)，具有等速調(diào)節(jié)功能。運行可靠，操作方便，無需專人維護。 </p> <p> 注： </p> <p> 1、該裝置一般裝空氣預(yù)熱器的煙道上，若煙道寬度大于2m時，應(yīng)在煙道上對稱安裝2臺取樣器，若寬度小于2m時，只安裝1臺取樣器。 </p> <p> 2、連接式過渡用的管接頭都采用水暖設(shè)備，中間應(yīng)加裝一些活動接頭，以便拆裝方便，焊接件盡量減少。 </p> <p> 3、連接式焊接要求密閉。 </p><p> 等圓環(huán)面積取樣，取樣qiang推進煤粉管道時，貫穿整個直徑，根據(jù)等圓環(huán)面積算法，離管壁越近煤粉通過量就越大，停留時間要長。離管中心近煤粉氣流量小，停留時間縮短，管心煤粉氣流量可視為0。實踐證明煤粉取樣按等圓環(huán)面積法，所取樣的樣品相當有有典型性。如圖所示 </p> <p> 等速煤粉取樣，為了正確測得氣固兩相流的濃度，并且使抽取的固體顆粒樣品具有典型性，對于氣固兩相流的直接取樣必須在等速的條件下進行。所謂等速取樣，即讓進入取樣探頭進口的吸入速度與探頭周圍的來流速度相等，當流速不一致時，可調(diào)整抽氣器抽壓力，使取樣qiang內(nèi)始終在等速狀態(tài)取樣。 </p> <p> <br /> </p> <p> <br /> 把操作人員和閥門管件被不銹鋼材質(zhì)的操作面板隔開，減小了因走漏、高壓、高溫對采樣操作人員的傷害。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港鍋爐給水取樣冷卻器品牌,取樣" src="https://tyunfile.71360.com/WaterMark/UploadFile/lyggrjx/637357848423212891/2312651.png"></div><p> 取樣冷卻器適用于蒸汽動力電站及供熱設(shè)備水汽化驗，檢測水汽品質(zhì)過程中的安全取樣冷卻用。鍋爐及熱力系統(tǒng)中的水汽大多溫度較高，因而不便于取樣，也不便于檢測，在取樣中應(yīng)加以冷卻，所以要把取樣點的樣品引進取樣冷卻器中進行冷卻，一般要求保證流量在500-700mL/min時，樣品能取到30-40度以下，滿足中華人民國家電力行業(yè)DL/T 457-91的標準，取樣的導(dǎo)管應(yīng)采用不銹鋼管，不宜采用碳鋼管或黃銅管，以免樣品在取樣過程中將采樣介質(zhì)被導(dǎo)管中的金屬物腐蝕污染。 </p> <p> <br /> </p> <p> 取樣冷卻器冷卻面積的計: </p> <p> 1: 如果已知樣品流量、冷卻水溫度及樣品的初始條件，則取樣冷卻器所需冷卻面積可由式(A1)求得： </p> <p> A= f ?1.0029/3600Δtm?U (A1) </p> <p> 式中 A——所需冷卻面積，m2； </p> <p> f——樣品流量，L/h； </p> <p> Δtm——平均溫差，℃； </p> <p> U——整體熱交換系數(shù)(對雙層螺旋管及浸液式冷卻器均取U=200)。 </p> <p> 當樣品為過熱蒸汽時，對每100℃過熱度，應(yīng)在由式(A1)計算出的冷卻面積基礎(chǔ)上增加12.6%。結(jié)構(gòu)簡單，無機械運動元件，免維護。取樣精細，簡單方便。連云港鍋爐給水取樣冷卻器品牌</p><p style="text-indent:25px">取樣冷卻器開啟取樣冷卻裝置閘閥取樣前打開冷卻水進水閥，注意調(diào)節(jié)進水閥的開度，勿使冷卻水從頂蓋處溢出。連云港鍋爐給水取樣冷卻器品牌</p><p> 隱臂式煤粉取樣器是運用壓縮空氣為動力，使取樣管、別離器、取樣瓶發(fā)生負壓來抽吸煤粉抵達取樣目的，并可運用壓縮空氣吹掃取樣管避免取樣管堵塞的問題。設(shè)備上備有壓縮空氣調(diào)壓閥，可經(jīng)過該閥調(diào)整壓縮空氣的壓力、流量來控制取樣速度和完結(jié)等速取樣。使取出的煤粉具有典型性。取樣管采用隱臂式規(guī)劃，不作業(yè)時取樣管筆直躲藏在煤粉管道外側(cè)，避開煤粉氣流對取樣管的沖刷，大幅度的進步取樣管的運用壽命。隱臂式固定煤粉取樣器主要有下列幾部分組成： </p> <p> 取樣管—伸入煤粉管道中，取樣口朝向煤粉氣流來向，煤粉由此進入取樣器。取樣為多點取樣。 </p> <p> 取樣瓶—將旋風別離器別離出的煤粉樣品會合寄存，供標定用。 </p> <p> 旋風別離器—將氣粉混合物進行固氣別離，煤粉因重力作用被旋轉(zhuǎn)氣流甩到器壁，再靠重力作用落入積粉器。別離后的氣體沿中心道路上升頂部，從頂部出氣口排出，經(jīng)射器抽氣器抽吸從頭送入煤粉管道，完結(jié)煤粉和氣體的別離。 </p> <p> 連接活接頭—以便拼裝時便當。連云港鍋爐給水取樣冷卻器品牌</p><p style="text-indent:25px">連云港廣潤機械設(shè)備有限公司致力于機械及行業(yè)設(shè)備，以科技創(chuàng)新實現(xiàn)***管理的追求。連云港廣潤機械深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的消音器.風機消音器，煤粉取樣裝置（器）濾水器，飛灰等速取樣器.換熱器，汽液兩相流（疏水器）。連云港廣潤機械始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。連云港廣潤機械始終關(guān)注機械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2070949.html</p></div></div></div></div></div><div id="etahy33" class="page-right twoColRt"><div id="9gdac7z" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hrogik7" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="vegdfbq" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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