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class="xypg-right-content">  <div id="qi79ntwaa" class="xypg-news-detail"> <h1 class="xypg-detail-title">在安裝通風(fēng)管道的時(shí)候要注意些什么呢</h1> <div id="qi79ntwaa" class="xypg-detail-info-bar"> <div id="qi79ntwaa" class="detail-info-time"><i class="iconfont icon-shijian"></i>2021-03-23</div> <div id="qi79ntwaa" class="detail-info-numbers"><i class="iconfont icon-chakan"></i><script src="http:///data/include/newshits.php?id=661"></script>次</div> </div> <div id="qi79ntwaa" class="xypg-detail-con"><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;"><a href='http:////' target='_blank' class='key_tag'><font><strong>通風(fēng)管道</strong></font></a>與附件的制造及裝置,在一道密閉閥門至工程口部的管道與配件，應(yīng)選用厚2~3mm的鋼板焊接制造。其焊縫應(yīng)豐滿、均勻、緊密，染毒區(qū)的<a href='http:///product/cpfl1e1/' target='_blank' class='key_tag'><font><strong>通風(fēng)管</strong></font></a>道應(yīng)選用焊接銜接。通風(fēng)管道與密閉閥門應(yīng)選用帶密封槽的法蘭銜接，其接觸應(yīng)平整；法蘭墊圈應(yīng)選用整圈無接口橡膠密封圈。</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;">主體工程內(nèi)通風(fēng)管與配件的鋼板厚度應(yīng)契合規(guī)劃要求。當(dāng)規(guī)劃無具體要求時(shí)。鋼板厚度應(yīng)大于0.75mm.工程測(cè)壓管在防護(hù)密閉門外的一端應(yīng)設(shè)有向下的彎頭；另一端宜設(shè)在通風(fēng)機(jī)房或控制室，并應(yīng)裝置球閥。通過防毒通道的測(cè)壓管，其接口應(yīng)選用焊接。</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;">通風(fēng)管的測(cè)定孔、洗消取樣管應(yīng)與管同時(shí)制造。測(cè)定孔和洗消取樣管應(yīng)封堵，通風(fēng)管內(nèi)氣流方向、閥門啟閉方向及開啟度，通風(fēng)管道及附件的制造和施工裝置檢驗(yàn)標(biāo)準(zhǔn)通風(fēng)管道及附件的制造和施工裝置檢驗(yàn)標(biāo)準(zhǔn)給水排水管道、供油管道與附件的裝置。</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;">壓力排水管宜選用給水鑄鐵管、鍍鋅管、鍍鋅鋼管或UPVC塑料管，其接口應(yīng)選用油麻填充或石棉水泥抹口，不得選用水泥砂漿抹口，油管絲扣銜接的填料，應(yīng)選用甘油和紅丹粉的調(diào)和物，不得選用鉛油麻絲。油管法蘭銜接的墊板，應(yīng)選用兩面涂石墨的石棉紙板，不得選用普通橡膠墊圈。</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;"></span></p><p style="text-align: center"><img src="/data/ueditor/php/data/upload/image/20210323/1616465794893731.jpg" title="通風(fēng)管道" alt="通風(fēng)管道" width="800" height="640" border="0" vspace="0" style="width: 800px; height: 640px;"/></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;"></span><br/></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;">通風(fēng)管道防腐保溫的必要性：當(dāng)風(fēng)道輸送一般氣體時(shí)，對(duì)黑鋼板風(fēng)道應(yīng)進(jìn)行除銹、刷防銹漆處理，對(duì)含塵氣體可噴涂防磨損保護(hù)層。在風(fēng)道輸送高溫氣體或低溫空氣時(shí)，風(fēng)道外壁應(yīng)做保溫(保冷)處理。當(dāng)周圍環(huán)境空氣濕度較大時(shí)，風(fēng)道外壁需做防腐蝕、防銹處理。對(duì)輸送高溫、山東通風(fēng)管道高濕氣體的鍍鋅鋼板風(fēng)道內(nèi)壁宜噴刷磷化底漆或其他耐蝕涂料。</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;">經(jīng)檢查合格并填寫有關(guān)驗(yàn)收資料后方可進(jìn)行安裝：風(fēng)口表面應(yīng)平整，偏差<=2mm，矩形風(fēng)口對(duì)角線之差<=3mm，圓形風(fēng)口任意正交兩直徑的允許偏差<=2mm。風(fēng)口各轉(zhuǎn)動(dòng)部分應(yīng)靈活，葉片或插板應(yīng)平直，葉片內(nèi)距應(yīng)均勻，散流器的擴(kuò)數(shù)環(huán)和調(diào)節(jié)應(yīng)同軸，軸向間距分布勻稱，葉片等啟閉應(yīng)完全，人防密閉閥方向與沖擊波相準(zhǔn)確，不可裝反，葉片全開或全閉，不可作調(diào)節(jié)風(fēng)量之用。</span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;">設(shè)計(jì)不合理：因在開業(yè)裝修時(shí)預(yù)計(jì)的進(jìn)餐人員飽和值低于現(xiàn)今進(jìn)餐飽和值，后廚工作量增加，多臺(tái)灶同時(shí)作業(yè)，原設(shè)計(jì)風(fēng)機(jī)轉(zhuǎn)數(shù)低，排煙量小，導(dǎo)致排煙不暢。遇到這個(gè)原因大家可以在排煙口加裝風(fēng)扇式四葉或六葉排煙風(fēng)機(jī)，提高排煙量，或更換大風(fēng)量風(fēng)機(jī)。 </span></p><p style="line-height: 1.75em; text-indent: 2em;"><span style="font-size: 16px;">設(shè)備陳舊老化：部分廚房設(shè)備中的老式排油煙設(shè)備排油煙罩老化，導(dǎo)致煙罩漏風(fēng)，排煙量降低。山東通風(fēng)管道老化導(dǎo)致轉(zhuǎn)速降低，排煙量降低，老式排油煙設(shè)備的油煙管道都比較細(xì)(管徑約300mm*300mm)，因長(zhǎng)時(shí)間積存油垢又不方便清洗，也同樣導(dǎo)致排煙效果不好。特別重要的是要加強(qiáng)平時(shí)通風(fēng)管道保養(yǎng)和清洗工作。</span></p><p><br/></p></div> <div id="qi79ntwaa" class="xypg-detail-tags"> <div id="qi79ntwaa" class="tags-title"> <h3>標(biāo)簽</h3> <div id="qi79ntwaa" class="baidu-share">  <div id="qi79ntwaa" class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到微信"></a> <a href="#" class="bds_sqq" data-cmd="sqq" title="分享到QQ好友"></a> <a href="#" class="bds_isohu" data-cmd="isohu" title="分享到我的搜狐"></a> <a href="#" class="bds_tqq" data-cmd="tqq" title="分享到騰訊微博"></a> <a href="#" class="bds_fbook" data-cmd="fbook" title="分享到Facebook"></a> </div> 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