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src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332908876132812/3226859.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cqnzyuw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332908876132812/3226859.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ng2xugx" 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>陜西電地暖采暖爐哪個(gè)牌子好,儲(chǔ)熱</p><p><span>***更新：</span>2021-01-22 04:10:33</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3wqnriz" 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="wvskop2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8qskmyf" class="box"><p><p> 國(guó)家標(biāo)準(zhǔn)《蓄熱型電加熱裝置（送審稿）》,本標(biāo)準(zhǔn)適用于以電為加熱熱源進(jìn)行蓄熱、采用熱能作為輸出形式，且額定工作電壓等級(jí)10kV及以下、標(biāo)稱蓄熱電功率5kW及以上的蓄熱型電加熱裝置（以下簡(jiǎn)稱“裝置”）。其他額定工作電壓或標(biāo)稱蓄熱電功率的裝置可參照使用，陜西電地暖采暖爐哪個(gè)牌子好，陜西電地暖采暖爐哪個(gè)牌子好。本標(biāo)準(zhǔn)不適用于特種設(shè)備和作為建筑供暖末端的器具。 </p> <p> 主要技術(shù)要點(diǎn)如下： </p> <p> 通用性要求：提出產(chǎn)品的共性規(guī)定，考慮了與其他已有相關(guān)標(biāo)準(zhǔn)的協(xié)調(diào)性問題，首先參考國(guó)內(nèi)現(xiàn)行的相關(guān)標(biāo)準(zhǔn)，然后再根據(jù)本產(chǎn)品的實(shí)際情況進(jìn)行細(xì)化。主要包括基本規(guī)定、防護(hù)，陜西電地暖采暖爐哪個(gè)牌子好、材料、部件與結(jié)構(gòu)以及運(yùn)行控制四個(gè)部分。合金類相變儲(chǔ)熱材料主要由單一金屬或多種金屬等組成的二元、三元或四元合金。陜西電地暖采暖爐哪個(gè)牌子好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西電地暖采暖爐哪個(gè)牌子好,儲(chǔ)熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332908876132812/3226859.png"></div><p style="text-indent:25px">熔鹽作為相變儲(chǔ)熱材料，相變焓較大、儲(chǔ)熱密度高、價(jià)格適中，在中高溫儲(chǔ)熱應(yīng)用領(lǐng)域具有較大的發(fā)展?jié)摿?。但是熔鹽導(dǎo)熱性不佳且與金屬合金相變材料都存在較嚴(yán)重的高溫腐蝕等問題，仍然是制約其規(guī)模應(yīng)用的難題。太陽(yáng)能、工業(yè)余熱的分散性和大能級(jí)跨度以及可再生能源的間歇性等，都需要中高溫相變儲(chǔ)熱技術(shù)。大規(guī)模儲(chǔ)熱技術(shù)的研究涉及到材料科學(xué)、化學(xué)工程、機(jī)械工程、傳熱傳質(zhì)學(xué)與多相流動(dòng)等多個(gè)學(xué)科的交叉領(lǐng)域。開發(fā)高性能中高溫相變儲(chǔ)熱材料對(duì)中高溫儲(chǔ)熱領(lǐng)域，尤其太陽(yáng)能熱發(fā)電、工業(yè)余熱回收等領(lǐng)域有著重要意義。長(zhǎng)春相變儲(chǔ)熱原理制造商從能源安全的角度來(lái)看，相變儲(chǔ)熱系統(tǒng)儲(chǔ)能是涉及基礎(chǔ)民生的工作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西電地暖采暖爐哪個(gè)牌子好,儲(chǔ)熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909325058594/2676052.png"></div><p style="text-indent:25px">近年來(lái)低品位工業(yè)余熱利用受到普遍重視。在采暖季，回收低品位工業(yè)余熱能夠在緩解城市供熱熱源緊張的同時(shí)提高一次能源利用效率；而在非采暖季，這部分熱量因?yàn)槠肺惠^低而被直接排放至大氣中，造成了巨大的能源浪費(fèi)。這類能源供給與需求之間的季節(jié)性不平衡問題同樣存在于太陽(yáng)能供熱等可再生能源供熱系統(tǒng)中。近年來(lái)，國(guó)外有較多項(xiàng)目通過將太陽(yáng)能光熱技術(shù)與跨季節(jié)儲(chǔ)熱技術(shù)相結(jié)合以解決太陽(yáng)能采暖系統(tǒng)的季節(jié)性用熱不平衡問題，獲得了良好的應(yīng)用效果。而對(duì)于工業(yè)余熱跨季節(jié)儲(chǔ)熱，國(guó)內(nèi)外均很少有項(xiàng)目涉及。事實(shí)上，相較于太陽(yáng)能，工業(yè)余熱具有更穩(wěn)定的供給特性和更低的價(jià)格，如果能夠與跨季節(jié)儲(chǔ)熱相結(jié)合，進(jìn)一步提高系統(tǒng)利用率和供熱保證率，將帶來(lái)可觀的節(jié)能和經(jīng)濟(jì)效益。</p><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(lái)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(lái)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。儲(chǔ)能相變儲(chǔ)熱系統(tǒng)工作意義重大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西電地暖采暖爐哪個(gè)牌子好,儲(chǔ)熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909293720703/6318137.png"></div><p style="text-indent:25px">潛熱儲(chǔ)熱是利用相變材料發(fā)生相變時(shí)吸收或放出熱量來(lái)實(shí)現(xiàn)能量的儲(chǔ)存，具有單位質(zhì)量(體積)儲(chǔ)熱量大、溫度波動(dòng)小(儲(chǔ)、放熱過程近似等溫)、化學(xué)穩(wěn)定性好和安全性好等特點(diǎn)。常見的相變過程主要有固-液、固-固相變兩種類型。固-液相變是通過相變材料的熔化過程來(lái)進(jìn)行熱量?jī)?chǔ)存，凝固過程來(lái)放出熱量；而固-固相變則是通過相變材料的晶體結(jié)構(gòu)發(fā)生改變或固體結(jié)構(gòu)進(jìn)行有序-無(wú)序的轉(zhuǎn)變而可逆地進(jìn)行儲(chǔ)、放熱。當(dāng)前正在考慮的潛熱儲(chǔ)熱材料有：氟化物、硫酸鹽、硝酸鹽以及石蠟等有機(jī)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。長(zhǎng)春相變儲(chǔ)熱原理制造商</p><p style="text-indent:25px">有機(jī)類相變儲(chǔ)熱材料對(duì)材料的腐蝕性較小，性能比較穩(wěn)定。陜西電地暖采暖爐哪個(gè)牌子好</p><p style="text-indent:25px">“電蓄熱裝置”是一種電鍋爐，與直熱式電鍋爐的大區(qū)別在于它具有蓄熱功能。根據(jù)該蓄熱方法，蓄熱材料可分為四種類型：顯熱儲(chǔ)熱材料，相變儲(chǔ)熱材料，熱化學(xué)儲(chǔ)熱材料和吸附儲(chǔ)熱材料?！半娦顭嵫b置”的工作過程包括兩個(gè)階段：一個(gè)是蓄熱階段，設(shè)備處于電網(wǎng)的低谷。余熱鍋爐低壓電，廢棄風(fēng)電，廢棄光電，核電等低成本電能通過電熱合金轉(zhuǎn)化為熱能。在炎熱的體內(nèi)，儲(chǔ)存的總能量是當(dāng)天加熱所需的總熱能;是熱量的釋放階段，當(dāng)需要熱量輸出時(shí)，儲(chǔ)存在儲(chǔ)熱體中的熱能通過熱交換系統(tǒng)釋放，以熱水，蒸汽，熱空氣和傳熱油的形式輸出用于加熱，加熱和生產(chǎn)。余熱鍋爐儲(chǔ)熱和釋放階段每天循環(huán)，以有效解決生產(chǎn)和能源使用效率低下的問題，實(shí)現(xiàn)節(jié)能和節(jié)能。陜西電地暖采暖爐哪個(gè)牌子好</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2954311.html</p></div></div></div></div></div><div id="cmewdof" class="page-right twoColRt"><div id="otvh8do" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="otfc7el" 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) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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