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src="https://tyunfile.71360.com/UploadFile/bingpu/637401016144966144/9448833.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="n87eq7l" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bingpu/637401016144966144/9448833.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vpzqsr2" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>蘇州高效制冷劑,制冷劑</p><p><span>***更新：</span>2020-11-23 00:34:35</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="2w48edk" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海冰仆冷暖設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>徐佳華</p><p><span>郵箱: </span>444054147@qq.com</p><p><span>電話: </span>13761656620</p><p><span>傳真: </span>1_1</p><p><span>網(wǎng)址: </span>https://www.shbpln.com</p><p><span>手機: </span>1-1</p><p><span>地址: </span>美丹路222號629室</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="icurtah" class="page-proshow02"><p class="title">詳細說明</p><div id="nhovszw" class="box"><p><p style="text-indent:25px">液氨制冷劑透明無色，氨蒸氣無色，有強烈的刺激臭味。氨對人體有較大的毒性，當氨液飛濺到皮膚上時會引起凍著，蘇州高效制冷劑。當空氣中氨蒸氣的容積達到0.5-0.6%時可引起。故機房內(nèi)空氣中氨的濃度不得超過0.02mg/L。氨在常溫下不易燃燒，加熱至350℃時，分解為氮和氫氣，氫氣與空氣中的氧氣混合后會發(fā)生。與空氣混合的體積分數(shù)在11%-14%時即可燃燒。在16%-25%時遇明火可能。在0.5%-0.6%時，蘇州高效制冷劑，人在其中停留半小時就會中毒，蘇州高效制冷劑。氨極溶于水，0℃時每升水能溶解130升氨氣。一般規(guī)定液氨中含水量低于0.2%。要求制冷劑在高溫下具有良好的化學(xué)穩(wěn)定性，保證在較高工作溫度下工質(zhì)不發(fā)生分解。蘇州高效制冷劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州高效制冷劑,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401016144966144/9448833.png"></div><p style="text-indent:25px">在氣體壓縮式制冷機中，使用氣體制冷劑，如空氣、氫氣、氦氣等，這些氣體在制冷循環(huán)中始終為氣態(tài)；在吸收式制冷機中，使用由吸收劑和制冷劑組成的二元溶液作為工質(zhì)，如氨和水、溴化鋰（分子式：LiBr。白色立方晶系結(jié)晶或粒狀粉末，極易溶于水）和水等；蒸汽噴射式制冷機用水作為制冷劑。制冷劑的主要技術(shù)指標有飽和蒸氣壓強、比熱、粘度、導(dǎo)熱系數(shù)、表面張力等。1960年以后，人們對非共沸混合工質(zhì)的應(yīng)用進行了大量的試驗研究，并已將其用于天然氣的液化和分離等方面。蘇州高效制冷劑要求制冷劑的臭氧消耗潛能值與全球變暖潛能值盡可能小，以減小對大氣臭氧層的破壞及引起全球氣候變暖。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州高效制冷劑,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017203765055/9581392.png"></div><p style="text-indent:25px">目前我國空調(diào)行業(yè)使用較多的制冷劑是HCFC物質(zhì)R22。R290與R22的標準沸點、凝固點、臨界點等基本物理性質(zhì)非常接近，具備替代R22的基本條件。在飽和液態(tài)時，R290的密度比R22小，因此相同容積下R290的灌注量更小，試驗證明相同系統(tǒng)體積下R290的灌注量是R22的43%左右。另外，由于R290的汽化潛熱大約是R22的2倍左右，因此采用R290的制冷系統(tǒng)制冷劑循環(huán)量更小。R290具有良好的材料相容性，與銅、鋼、鑄鐵、潤滑油等均能良好相容。未來我國還將進一步加大使用R290制冷劑的空調(diào)產(chǎn)線改造示范試點力度。隨著對R290應(yīng)用技術(shù)研究的不斷深入、使用經(jīng)驗的不斷積累，環(huán)保型制冷劑R290未來將擁有廣闊的市場應(yīng)用前景。</p><p style="text-indent:25px">我國冷藏企業(yè)中，尤其是中小企業(yè)，許多未配備針對氨制冷劑的防護設(shè)備，缺乏有關(guān)制冷系統(tǒng)故障的應(yīng)急處理預(yù)案。冷庫安全問題必須引起企業(yè)和管理部門的高度重視。在國內(nèi)外大中型冷庫中，目前采用氨制冷劑是主流，今后氨仍然將是主要制冷劑。采用氨制冷劑關(guān)鍵是安全問題，應(yīng)該采取足夠的防護措施，保證操作人員安全和公共安全。根據(jù)國外**的評估，在蒸發(fā)溫度-35℃以上，壓縮式制冷采用氨制冷劑是較節(jié)能的。蒸發(fā)溫度在-35℃以下，采用CO2與氨復(fù)疊式制冷，不僅可以降低初次投入、提高效率，而且較大減少了系統(tǒng)的充氨量、提高了食品冷加工企業(yè)的安全系數(shù)。對制冷劑性質(zhì)要求的了解是不容忽視的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州高效制冷劑,制冷劑" src="https://tyunfile.71360.com/UploadFile/bingpu/637401017180395870/8685948.png"></div><p style="text-indent:25px">制冷劑高壓端加注，壓縮機排氣閥(高壓閥)的旁通孔(多用通道)加注，加入的是制冷劑液體。其特點是安全、快速，適用于制冷系統(tǒng)的首先次加注，即經(jīng)檢漏、抽真空后的系統(tǒng)加注。但用該方法時必須注意，加注時不可開啟壓縮機(發(fā)動機停轉(zhuǎn))，且制冷劑罐要求倒立。操作步驟：1）、當系統(tǒng)抽真空后，關(guān)閉歧管壓力計上的高、低壓手動閥。2）、將中間軟管的一端與制冷劑罐注入閥的接頭連接，打開制冷劑罐開啟閥，再擰開歧管壓力計軟管一端的螺母，讓氣體溢出幾分鐘，然后擰緊螺母。3）、擰開高壓側(cè)手動閥至全開位置，將制冷劑罐倒立。4）、從高壓側(cè)注入規(guī)定量的液態(tài)制冷劑。關(guān)閉制冷劑罐注入閥及歧管壓力計上的高壓手動閥，然后將儀表卸下。從高壓側(cè)向系統(tǒng)加注制冷劑時，發(fā)動機處于不起動狀態(tài)(壓縮機停轉(zhuǎn))，不要擰開歧管壓力計上的低壓手動閥，以防產(chǎn)生液壓沖擊。共沸制冷劑在既定壓力下，發(fā)生相變時對應(yīng)的溫度保持不變。蘇州制冷劑工廠</p><p style="text-indent:25px">要求制冷劑低廉，易于獲得。蘇州高效制冷劑</p><p style="text-indent:25px">國外化工企業(yè)在發(fā)展過程中也經(jīng)歷了被社會“誤解”的過程，但通過長期堅持安全環(huán)保標準和公開透明的溝通機制，**終取得了全社會的信任。我國化工產(chǎn)業(yè)轉(zhuǎn)型升級，要重視通過環(huán)保標準和法律法規(guī)引導(dǎo)企業(yè)減量、達標排放，實現(xiàn)綠色發(fā)展。世界各國對環(huán)境保護和綠色發(fā)展的重視程度日益提升，出臺了很多環(huán)境方面的政策、法規(guī)，同時環(huán)境執(zhí)法力度也在逐步提高，化工有限責(zé)任公司企業(yè)需要積極探索綠色低碳、安全環(huán)保的技術(shù)，加強與信息化技術(shù)融合，盡可能地發(fā)展環(huán)保型產(chǎn)品，實現(xiàn)清潔生產(chǎn)，并在節(jié)約能源和資源方面，采用工藝技術(shù)，降低原材料消耗；配備廢水、廢氣、廢固處理設(shè)備，極大限度地降低三廢排放量，增加節(jié)水措施，提高水的重復(fù)利用率等。可以說，“綠色化工”已經(jīng)成為行業(yè)發(fā)展潮流。制冷劑廠家直銷，冷凍油廠家直銷，壓縮機批發(fā)銷售，制冷配件批發(fā)銷售的發(fā)展任務(wù)是提升示范升級水平、解決環(huán)保問題，關(guān)注競爭力，努力實現(xiàn)相關(guān)產(chǎn)業(yè)融合發(fā)展。通過貿(mào)易型的優(yōu)化和升級，化工行業(yè)已經(jīng)從初期的以“三廢治理”為主，發(fā)展為包括環(huán)保產(chǎn)品、環(huán)境服務(wù)、潔凈產(chǎn)品、廢物循環(huán)利用，跨行業(yè)、跨地區(qū)，產(chǎn)業(yè)門類基本齊全的產(chǎn)業(yè)體系。蘇州高效制冷劑</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司主要經(jīng)營范圍是化工，擁有一支專業(yè)技術(shù)團隊和良好的市場口碑。冰仆冷暖設(shè)備致力于為客戶提供良好的制冷劑廠家直銷，冷凍油廠家直銷，壓縮機批發(fā)銷售，制冷配件批發(fā)銷售，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強企業(yè)重點競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于化工行業(yè)的發(fā)展。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2100247.html</p></div></div></div></div></div><div id="ix3yaxz" class="page-right twoColRt"><div id="hbtvxeb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mvnuwdk" 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="dnfrovs" class="recomPic likePro"><a 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