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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>甘肅家庭自采暖系統(tǒng)價(jià)格,儲(chǔ)熱</p><p><span>***更新：</span>2021-02-02 00:19:23</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8fmyiel" 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="ztvc2ul" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7mtlaco" class="box"><p><p> 《無內(nèi)置熱源相變蓄熱裝置》 </p> <p> 中國(guó)工程建設(shè)標(biāo)準(zhǔn)化協(xié)會(huì)團(tuán)體標(biāo)準(zhǔn)，適用于熱水供水溫度滿足建筑供熱需求的無內(nèi)置熱源相變蓄熱裝置。該標(biāo)準(zhǔn)的修訂版報(bào)批稿目前已提交，預(yù)期不久將予以發(fā)布，甘肅家庭自采暖系統(tǒng)價(jià)格。 </p> <p> 該標(biāo)準(zhǔn)包含了有機(jī)類、無機(jī)類和復(fù)合類相變蓄熱產(chǎn)品。 </p> <p> 主要技術(shù)要點(diǎn)如下： </p> <p> 結(jié)構(gòu)要求：內(nèi)部結(jié)構(gòu)穩(wěn)定且保證蓄熱體不坍塌；傳熱介質(zhì)進(jìn)出的換熱器管道或傳熱介質(zhì)流道應(yīng)通暢；應(yīng)設(shè)置裝置內(nèi)部溫度測(cè)點(diǎn)，甘肅家庭自采暖系統(tǒng)價(jià)格，可拆卸并方便維修，甘肅家庭自采暖系統(tǒng)價(jià)格。 </p> <p> 相變材料：相變時(shí)不應(yīng)發(fā)生明顯過冷現(xiàn)象；在生產(chǎn)和使用過程中不應(yīng)對(duì)人身和環(huán)境造成危害；到達(dá)使用壽命周期后應(yīng)易于回收和二次利用。 </p> <p> <br /> 中高溫相變儲(chǔ)熱材料儲(chǔ)熱密度大，有利于設(shè)備的緊湊和微型化。甘肅家庭自采暖系統(tǒng)價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅家庭自采暖系統(tǒng)價(jià)格,儲(chǔ)熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909595595703/2034836.png"></div><p style="text-indent:25px">儲(chǔ)熱技術(shù)包括兩個(gè)方面的要素，其一是熱能的轉(zhuǎn)化，它既包括熱能與其他形式的能之間的轉(zhuǎn)化，也包括熱能在不同物質(zhì)載體之間的傳遞；其二是熱能的儲(chǔ)存，即熱能在物質(zhì)載體上的存在狀態(tài)，理論上表現(xiàn)為其熱力學(xué)特征。儲(chǔ)熱技術(shù)的性能受到儲(chǔ)熱介質(zhì)?密度等狀態(tài)量的影響，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，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。值得指出的是，儲(chǔ)熱技術(shù)并不單指儲(chǔ)存和利用高于環(huán)境溫度的熱能，還包括儲(chǔ)存和利用低于環(huán)境溫度的熱能，即日常所說的儲(chǔ)冷。河南相變儲(chǔ)熱系統(tǒng)生產(chǎn)企業(yè)熔融鹽類相變儲(chǔ)熱材料可以是單組分、雙組分或多組分的混合物。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅家庭自采暖系統(tǒng)價(jià)格,儲(chǔ)熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909256220703/7131860.png"></div><p style="text-indent:25px">潛熱儲(chǔ)熱（相變儲(chǔ)熱）是利用物質(zhì)在凝固/熔化、凝結(jié)/氣化、凝華/升華以及其他形式的相變過程中，都要吸收或放出相變潛熱的原理來進(jìn)行能量?jī)?chǔ)存的技術(shù)．利用相變材料相變時(shí)單位質(zhì)量（體積）潛熱，儲(chǔ)熱量非常大能把熱能貯存起來加以利用，如空間太陽(yáng)能發(fā)電用儲(chǔ)熱器，深夜電力調(diào)峰用儲(chǔ)熱器，其儲(chǔ)能比顯熱一個(gè)數(shù)量級(jí)，而且放熱溫度恒定，但其儲(chǔ)熱介質(zhì)一般有過冷、相分離、易老化等缺點(diǎn)。根據(jù)相變種類的不同，相變儲(chǔ)熱一般分為四類：固一固相變、固一液相變、液一氣相變及固一氣相變。由于后兩種相變方式在相變過程中伴隨有大量氣體的存在，使材料體積變化較大，因此盡管它們有很大的相變熱，但在實(shí)際應(yīng)用中很少被選用，固一固相變和固一液相變是實(shí)際中采用較多的相變類型。</p><p style="text-indent:25px">儲(chǔ)熱研究背景：能量是指物質(zhì)的做功能力，也是物質(zhì)載體在不同尺度空間下動(dòng)能或勢(shì)能的具體體現(xiàn)和存在形式。廣義而言，任何物質(zhì)都具有能量，但只有那些比較容易被人們利用和轉(zhuǎn)化的含能物質(zhì)才是我們?nèi)粘Ｋf的能源。能源是人類活動(dòng)的物質(zhì)基礎(chǔ)，在某種意義上講，人類社會(huì)的發(fā)展離不開較好能源和先進(jìn)能源技術(shù)的使用。在當(dāng)今世界，能源的發(fā)展是全世界、全人類共同關(guān)心的問題，也是我國(guó)社會(huì)經(jīng)濟(jì)發(fā)展的重要問題。能量雖然可以以機(jī)械能、聲能、化學(xué)能、電磁能、光能、熱能及核能等多種形式存在，但在人類的活動(dòng)中，絕大多數(shù)能量是需要經(jīng)過熱能的形式和環(huán)節(jié)被轉(zhuǎn)化和利用的，尤其是在我國(guó)，這個(gè)比例達(dá)到90%以上。儲(chǔ)能儲(chǔ)熱工作意義重大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅家庭自采暖系統(tǒng)價(jià)格,儲(chǔ)熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332908941503906/8521174.png"></div><p style="text-indent:25px">顯熱儲(chǔ)熱是目前應(yīng)用比較廣的一種儲(chǔ)熱方式，然而它的儲(chǔ)熱密度小。相比之下，相變儲(chǔ)熱的儲(chǔ)熱密度是顯熱儲(chǔ)熱的 5~10 倍甚至更高。由于具有溫度恒定和儲(chǔ)熱密度大的優(yōu)點(diǎn)，相變儲(chǔ)熱技術(shù)得到了普遍的研究，尤其適用于熱量供給不連續(xù)或供給與需求不協(xié)調(diào)的工況下。相變儲(chǔ)熱系統(tǒng)作為解決能源供應(yīng)時(shí)間與空間矛盾的有效手段，是提高能源利用率的重要途徑之一。相變儲(chǔ)熱可以分為固–液相變、液–氣相變和固–氣相變。然而，其中只有固–液相變具有比較大的實(shí)際應(yīng)用價(jià)值。有機(jī)類儲(chǔ)熱材料在固體狀態(tài)時(shí)一般不易出現(xiàn)過冷和相分離現(xiàn)象。山東相變?cè)韮?chǔ)熱器費(fèi)用</p><p style="text-indent:25px">相變儲(chǔ)熱系統(tǒng)有顯熱相變儲(chǔ)熱系統(tǒng)、潛熱相變儲(chǔ)熱系統(tǒng)和化學(xué)反應(yīng)相變儲(chǔ)熱系統(tǒng)等多種形式。甘肅家庭自采暖系統(tǒng)價(jià)格</p><p style="text-indent:25px">顯熱儲(chǔ)熱是利用儲(chǔ)熱材料的熱容量，通過升高或降低材料的溫度而實(shí)現(xiàn)熱量的儲(chǔ)熱或釋放的過程。顯熱儲(chǔ)熱原理簡(jiǎn)單，材料來源豐富，成本低廉，是研究非常早的，利用非常普遍，技術(shù)非常成熟的太陽(yáng)能熱儲(chǔ)熱方式。低溫范圍內(nèi)，水、土壤、砂石及巖石是非常常見的顯熱儲(chǔ)熱材料。德國(guó)漢堡生態(tài)村的設(shè)計(jì)中，采用了一個(gè)容量為 4500 的大儲(chǔ)水罐作為儲(chǔ)熱一年四季中所采集的太陽(yáng)能的儲(chǔ)熱設(shè)備。有人提出了在太陽(yáng)能煙囪電站集熱棚內(nèi)布置水管作為儲(chǔ)能系統(tǒng)的構(gòu)想。甘肅家庭自采暖系統(tǒng)價(jià)格</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3113643.html</p></div></div></div></div></div><div id="irdfydp" 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