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src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909595595703/2034836.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="crtvpl2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909595595703/2034836.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7lkgnkw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>陜西家庭自采暖,儲(chǔ)熱</p><p><span>***更新：</span>2021-02-04 12:16:03</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wgikht2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">強(qiáng)野機(jī)械科技（上海）有限公司</a></p><p><span>聯(lián)系人：</span>陳經(jīng)理</p><p><span>郵箱: </span>328348633@qq.com</p><p><span>電話: </span>18621998725</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.qiangyeny.cn</p><p><span>手機(jī): </span>021-6192072</p><p><span>地址: </span>上海市青浦區(qū)滬青平公路9565號(hào)1幢2層L區(qū)260室</p><p>[當(dāng)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="txzw3ys" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ncebdul" class="box"><p><p style="text-indent:25px">發(fā)展高性能相變材料是大規(guī)模應(yīng)用相變儲(chǔ)熱技術(shù)的重要，其中提高相變材料的導(dǎo)熱性能以期獲得較高的充放熱速率受到了普遍的研究。這個(gè)研究方向是當(dāng)前高相變材料的研究方向之一。研究人員分別針對(duì)水合鹽相變材料熱導(dǎo)率較低和循環(huán)穩(wěn)定性較差以及有機(jī)相變材料的低熱導(dǎo)率、易泄露等問題，陜西家庭自采暖，提出了一種表面改性與吸附定形相結(jié)合的方法，陜西家庭自采暖，較好地解決了水合鹽相變材料熱導(dǎo)率較低和循環(huán)穩(wěn)定性較差等問題，陜西家庭自采暖。通過對(duì)材料的熱導(dǎo)率和儲(chǔ)熱性能進(jìn)行了測(cè)試和分析，結(jié)果表明該復(fù)合相變儲(chǔ)熱材料擁有較好的循環(huán)穩(wěn)定性以及良好的充放熱性能。相變儲(chǔ)熱系統(tǒng)技術(shù)比較為簡(jiǎn)單和普遍。陜西家庭自采暖</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西家庭自采暖,儲(chǔ)熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909595595703/2034836.png"></div><p style="text-indent:25px">從能源安全的角度來看，儲(chǔ)熱儲(chǔ)能是涉及基礎(chǔ)民生的工作，也是保障能源安全的重要環(huán)節(jié)。儲(chǔ)熱介質(zhì)吸收太陽(yáng)輻射或其他載體的熱量蓄存于介質(zhì)內(nèi)部，環(huán)境溫度低于介質(zhì)溫度時(shí)熱量即釋放。熱量以顯熱、潛熱或兩者兼有的形式儲(chǔ)存。顯熱是靠?jī)?chǔ)熱介質(zhì)的溫度升高來儲(chǔ)存。常溫下水和卵石均為常用的儲(chǔ)熱材料，水的儲(chǔ)熱量是同樣體積石塊的3倍。潛熱儲(chǔ)存是利用材料由固態(tài)熔化為液態(tài)時(shí)需要大量熔解熱的特性來吸收儲(chǔ)存熱量。熱量釋放后介質(zhì)回到固態(tài)，相變反復(fù)循環(huán)形成貯存、釋放熱量的過程。陜西家庭自采暖相變儲(chǔ)熱系統(tǒng)包括熱能在不同物質(zhì)載體之間的傳遞。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西家庭自采暖,儲(chǔ)熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332910230439453/4630890.png"></div><p style="text-indent:25px">有學(xué)者預(yù)測(cè)，通過增加相變儲(chǔ)熱物質(zhì)在復(fù)合材料中的含量和選擇相變焓更高的相變物質(zhì)，在未來數(shù)年內(nèi)，將有可能將相變儲(chǔ)能復(fù)合材料的儲(chǔ)能密度提高到150～200J/g。技術(shù)的應(yīng)用：人們對(duì)相變儲(chǔ)熱技術(shù)的研究雖然只有幾十年的歷史，但它的應(yīng)用十分普遍，已成為日益受到人們重視的一種新興技術(shù)。該技術(shù)主要有以下幾個(gè)方面的應(yīng)用。工業(yè)過程的余熱利用，工業(yè)過程的余熱既存在連續(xù)型余熱又存在間斷型余熱。對(duì)于連續(xù)型余熱，通常采取預(yù)熱原料或空氣等手段加以回收，而間斷型余熱因其產(chǎn)生過程的不連續(xù)性未被很好的利用，如有色金屬工業(yè)、硅酸鹽工業(yè)中的部分爐窯在生產(chǎn)過程中具有一定的周期性，造成余熱回收困難。</p><p style="text-indent:25px">1.一種相變儲(chǔ)熱材料，其特征在于組分按重量百分比為：熔鹽30～80％，高爐渣20～70％；所述的熔鹽為NaNO3和Na2CO3的混合物，其中NaNO3 25～75％，Na2CO3 25～75％。2.一種根據(jù)權(quán)利要求1所述相變儲(chǔ)熱材料的制備方法，包括如下步驟：1)采用常規(guī)濕法球磨將高爐渣充分研磨，磨至325目以下；2)將混合均勻的熔鹽與高爐渣按上述比例混合后使用壓力成型機(jī)壓制，成型壓力為5～25MPa；在管式爐中進(jìn)行燒制，燒成過程中始終通氮?dú)獗Ｗo(hù)，燒成時(shí)溫度不低于100℃要保溫大于30min，升溫速度為3-10℃/min，升溫至材料相變點(diǎn)之上10-30℃范圍，制得儲(chǔ)熱材料。在相同的溫度變化的條件下，儲(chǔ)冷比相變儲(chǔ)熱系統(tǒng)的質(zhì)更高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西家庭自采暖,儲(chǔ)熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909256220703/7131860.png"></div><p style="text-indent:25px">電力調(diào)峰儲(chǔ)熱：隨著經(jīng)濟(jì)的發(fā)展，我國(guó)電力市場(chǎng)呈現(xiàn)出新的特點(diǎn)：電力系統(tǒng)中的電力負(fù)荷峰谷差不斷增大，電力負(fù)荷低谷期發(fā)電量過剩，而電力負(fù)荷高峰期發(fā)電量不足，不利于解決電力負(fù)荷的峰谷差問題。以熱定電的運(yùn)行模式已不適應(yīng)現(xiàn)階段國(guó)內(nèi)電力、供熱市場(chǎng)的要求，同時(shí)面臨著新的運(yùn)行模式的挑戰(zhàn)。近年來我國(guó)民間和工業(yè)用電大幅上升，而在民用和工業(yè)熱水供應(yīng)、采暖、空調(diào)、工業(yè)干燥及電熱電器上，利用儲(chǔ)能技術(shù)來加快傳統(tǒng)工業(yè)和民用電氣產(chǎn)品改造，積極開發(fā)和利用儲(chǔ)能鍋爐和儲(chǔ)能式設(shè)備及電熱電器產(chǎn)品，甚至建立靈活機(jī)動(dòng)的中小型儲(chǔ)能熱電站，量大面廣和靈活使用谷期電力，是實(shí)現(xiàn)峰谷電價(jià)、改善電網(wǎng)負(fù)荷平衡和淘汰效率低下機(jī)組的切實(shí)可行的手段，也是使用廉價(jià)而又清潔的電力，改善城市環(huán)境的可行辦法，在全國(guó)已經(jīng)***實(shí)行分時(shí)記度電價(jià)政策時(shí)，儲(chǔ)熱技術(shù)便成為工業(yè)和民用的熱點(diǎn)。合金類相變儲(chǔ)熱材料相變溫度一般在 300 ℃以上。陜西家庭自采暖</p><p style="text-indent:25px">為適應(yīng)太空技術(shù)需求，相變儲(chǔ)熱系統(tǒng)材料需要往低溫方向拓展。陜西家庭自采暖</p><p style="text-indent:25px">儲(chǔ)熱介質(zhì)吸收太陽(yáng)輻射或其他載體的熱量蓄存于介質(zhì)內(nèi)部，環(huán)境溫度低于介質(zhì)溫度時(shí)熱量即釋放。熱量以顯熱、潛熱或兩者兼有的形式儲(chǔ)存。顯熱是靠?jī)?chǔ)熱介質(zhì)的溫度升高來儲(chǔ)存。常溫下水和卵石均為常用的儲(chǔ)熱材料，水的儲(chǔ)熱量是同樣體積石塊的3倍。潛熱儲(chǔ)存是利用材料由固態(tài)熔化為液態(tài)時(shí)需要大量熔解熱的特性來吸收儲(chǔ)存熱量。熱量釋放后介質(zhì)回到固態(tài)，相變反復(fù)循環(huán)形成貯存、釋放熱量的過程。當(dāng)然，儲(chǔ)熱技術(shù)的性能除了受到儲(chǔ)熱介質(zhì)密度等狀態(tài)量的影響外，還受到介質(zhì)本身在熱量交換和轉(zhuǎn)化等過程性能的影響。這些過程量包括介質(zhì)的換熱性能及流動(dòng)性能（儲(chǔ)熱介質(zhì)本身也可能是換熱工質(zhì)）等，即在理論上表現(xiàn)為傳熱學(xué)和流體力學(xué)方面的特征。陜西家庭自采暖</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3160409.html</p></div></div></div></div></div><div id="t2lnfxf" class="page-right twoColRt"><div id="tivs3pp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oyvhj8o" 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(qiáng) 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