長春電地暖采暖爐費(fèi)用誠信服務(wù) 強(qiáng)野機(jī)械科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="由于儲熱材料制備方法的不同微膠囊相變材料也表現(xiàn)出不同的結(jié)構(gòu)，但以核殼結(jié)構(gòu)比較為多見，長春電地暖采暖爐費(fèi)用。定形相變材料不局限于微膠囊的核殼結(jié)構(gòu)，而是通過相變材料與基體的毛細(xì)作用保持復(fù)合材料的定形結(jié)構(gòu)。制備方法主要包括基體材料與相變材料直接混"><meta name="keywords" content="長春電地暖采暖爐費(fèi)用,儲熱"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909882412109/7365249.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bprtypz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909882412109/7365249.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7l73k9l" 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>長春電地暖采暖爐費(fèi)用,儲熱</p><p><span>***更新：</span>2021-01-09 10:14:29</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="2r9yph3" 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="oszrgxw" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="txpwtas" class="box"><p><p style="text-indent:25px">由于儲熱材料制備方法的不同微膠囊相變材料也表現(xiàn)出不同的結(jié)構(gòu)，但以核殼結(jié)構(gòu)比較為多見，長春電地暖采暖爐費(fèi)用。定形相變材料不局限于微膠囊的核殼結(jié)構(gòu)，而是通過相變材料與基體的毛細(xì)作用保持復(fù)合材料的定形結(jié)構(gòu)。制備方法主要包括基體材料與相變材料直接混合制備以及基體的預(yù)制結(jié)構(gòu)與相變材料的熔融浸滲。隨著微封裝工藝的不斷成熟，微膠囊結(jié)構(gòu)、定形結(jié)構(gòu)的復(fù)合材料制備方法都很好地解決了材料相變時的滲漏等問題，然而如何通過復(fù)合結(jié)構(gòu)強(qiáng)化材料的熱性能仍是目前的研究重點。復(fù)合結(jié)構(gòu)相變材料的相變，探討了原位溶膠-凝膠工藝對無機(jī)水和鹽的微封裝技術(shù)，發(fā)現(xiàn)二氧化硅作為壁材對水和鹽進(jìn)行微封裝有效地減少了相分離，長春電地暖采暖爐費(fèi)用，長春電地暖采暖爐費(fèi)用，并得出相分離程度的減少是相變焓值增加的主要原因的結(jié)論。目前主要應(yīng)用的顯熱儲熱材料有硅質(zhì)、鎂質(zhì)耐火磚，三氧化二鐵、水、導(dǎo)熱油、沙石等熱容較大的物質(zhì)。長春電地暖采暖爐費(fèi)用</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長春電地暖采暖爐費(fèi)用,儲熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909882412109/7365249.png"></div><p style="text-indent:25px">1.一種相變儲熱材料，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氣保護(hù)，燒成時溫度不低于100℃要保溫大于30min，升溫速度為3-10℃/min，升溫至材料相變點之上10-30℃范圍，制得儲熱材料。長春電地暖采暖爐費(fèi)用當(dāng)前儲熱技術(shù)主要可分為四類：顯熱儲熱、潛熱儲熱、吸附/吸收的熱化學(xué)儲熱、可逆反應(yīng)的熱化學(xué)儲熱。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長春電地暖采暖爐費(fèi)用,儲熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332910230439453/4630890.png"></div><p style="text-indent:25px">針對傳統(tǒng)太陽能熱水器的弊端，在線陽光在集熱器上采用細(xì)孔分流傳熱結(jié)構(gòu)、分拆模塊化結(jié)構(gòu)設(shè)計，整機(jī)自重是現(xiàn)有的1/3,安裝重量只有現(xiàn)有的1/20，解決了傳統(tǒng)太陽能集熱器太重的問題；用相變儲熱材料替代儲熱水箱，解決了制造儲熱水箱的能源浪費(fèi)問題；相變儲熱材料通過直接分級或可控降解技術(shù)得到不同熔點組成的梯度復(fù)合相變材料，然后采用磨盤剪切關(guān)鍵**技術(shù)使梯度復(fù)合相變材料彌散化，實現(xiàn)自誘導(dǎo)成核和定形，減少甚至省去成核劑、定形劑、導(dǎo)熱劑，提高主體相變材料占比，實現(xiàn)變溫集熱，提高儲熱量，解決了傳統(tǒng)太陽能儲熱效率低的問題。</p><p style="text-indent:25px">隨著能源緊缺問題日益緊張，儲能技術(shù)越來越受到重視，儲能技術(shù)可以實現(xiàn)能源供給與需求在時間、空間以及強(qiáng)度上的匹配，提高能源利用效率，全球90%的能源預(yù)算圍繞熱的轉(zhuǎn)換、輸運(yùn)和儲存，因此在熱能儲存技術(shù)在熱量調(diào)配和提高能源綜合利用效率方面具有非常重要的作用，基于相變材料的潛熱儲存具有儲熱密度高、放熱過程溫度近似恒定、結(jié)構(gòu)簡單、成本低等優(yōu)點。然而，相變材料的熱導(dǎo)率較低嚴(yán)重限制其充/放熱功率及熱響應(yīng)速度，進(jìn)而制約實際應(yīng)用。熱化學(xué)反應(yīng)儲熱特別適用于太陽能熱發(fā)電中的太陽熱能儲存。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長春電地暖采暖爐費(fèi)用,儲熱" src="https://tyunfile.71360.com/UploadFile/qyqyjx/637332909522041016/5723904.png"></div><p style="text-indent:25px">相變儲熱材料的比較好的選擇為DPT83，熔點為83攝氏度，非常接近電動汽車85攝氏度的冷卻液溫度標(biāo)準(zhǔn)。該材料為冷卻液提供的加熱溫度與正溫度系數(shù)加熱系統(tǒng)的效果基本相當(dāng)，潛熱容量為348焦耳/克，是同類八種材料中性能比較優(yōu)的，遠(yuǎn)高于傳統(tǒng)相變材料200焦耳/克的數(shù)值，比較大程度上幫助減少了封裝尺寸。性能表現(xiàn)稍遜一籌，但也具有潛在應(yīng)用價值的材料是DPT68，相變溫度為68攝氏度，潛熱容量342焦耳/克。車輛靜止怠速結(jié)束之后，空氣調(diào)節(jié)系統(tǒng)重新啟動，這時相變材料要能夠迅速轉(zhuǎn)化成初始狀態(tài)，為下一次的車輛停止前進(jìn)做好準(zhǔn)備。儲熱是二次能源，也是連接一次能源和二次能源的紐帶。山西儲熱儲能制造商</p><p style="text-indent:25px">相變儲熱系統(tǒng)有顯熱相變儲熱系統(tǒng)、潛熱相變儲熱系統(tǒng)和化學(xué)反應(yīng)相變儲熱系統(tǒng)等多種形式。長春電地暖采暖爐費(fèi)用</p><p style="text-indent:25px">以顯熱儲熱為例，熱能儲存的量即所儲存的熱量的大小，數(shù)學(xué)上表現(xiàn)為物質(zhì)本身的比熱容和溫度變化的乘積。具體地，假設(shè)儲熱材料本身的定壓比熱容恒定且大小為Cp，且在儲熱過程中物質(zhì)載體的溫度變化為△T，則在儲熱過程中物質(zhì)載體所儲存的熱量的大小△Q可計算為△Q =Cp△T可見，給定物質(zhì)載體，其所儲存熱量的大小只與溫差有關(guān)而與溫度無關(guān)，亦即儲存熱量的大小不能反映熱量的品位，因而需要借助熱力學(xué)中的另一個重要參數(shù) 來衡量所儲存熱量的質(zhì)（即有用功）。長春電地暖采暖爐費(fèi)用</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2772497.html</p></div></div></div></div></div><div id="od32k9g" 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