燃气熔盐炉与燃气导热沚w炉区?/h1>
来源Qhttp://cvet.com.cn/news1079703.html 发布日期Q?020-03-02 00:00:00
?/span>燃气熔盐?/strong>?/span>燃气(que)导热(zan)沚w(gui)?/span>pȝ(hun)(bai)的(fan)别:
燃气熔盐?/span>是以天然(pin)(pei)ؓ(zan)(xie)Q(wu)导(jian)介质(chuan)Q熔(sui)(xie)为热载体Q?/span>?/span>导热介质(chuan)Q熔盐)在熔盐槽内预先通过电加热器加热?/span>熔点?/span>142℃以上,?/span>导热介质Q熔盐)变ؓ(fu)液体?/span>Q(ben)利用高温熔盐܇产生的动力强制液相@?/span>Q?/span>?/span>导热介质(chuan)Q熔盐)输送到燃气熔盐炉,燃气熔盐加热炉的盘管中加热,加热到所需用热温度后再输送给用热装置Q将热量传给用热讑֤Q放热降温后自流回熔盐槽Q再l过熔盐循环泵周而复始的强制液相循环,?/span>(fen)热介质Q熔盐)输送(huo)然气熔盐加热(liao)(ling)中重(cao)再加热的直流?/span>工业(e)热(zan)?/span>
燃气导热沚w?/strong>是以天燃气(pei)ؓ燃料Q(ben)(ben)由天燃气燃(jie)(jie)器提(yun)(jie)(jie)量Q(ben)(ben)导(jie)(jie)a为热(zan)载(jie)Q(ben)(ben)(yue)(yun)(huan)环泵(dian)(rou)液(sui)@(jing)(dui)将(jie)(jie)能输(ta)(quan)一个或多用热(zan)讑֤Q(ben)(ben)换(jie)(jie)后q(you)(rou)超低燃气(que)导热(zan)沚w(liao)盘内重新(e)热(zan)的直式特种(chen)业(liao)?/span>
?/span>燃气(que)熔盐炉与燃(xie)(que)导(jian)沚w?/span>用途的区别Q?/span>
(zan)气熔盐(liao)能(shi)提供使用(wei)度180℃~550?/span>的工艺温度,?/span>三聚(pin)胺(mo)(ci)酐、(xing)酐、丙烯酸(mo)氧化铝(mo)(huo)素(ba)(xing)苯基(huang)酚酐(mo)乙(pin)、(huo)(chan)、(ci)化a(mo)(huo)冷{化工行业中需?/span>(zha)(kui)(e)热生(hai)工艺(ya)的用?/span>?/span>
燃气(fen)(jian)(li)w炉能提供(huan)用温度(hai)320?/span>的工艺温?/span>Q(wu)化工Q(chu)()化,印(ban)Q(chu)hl(yun)行业?/span>需?/span>320?/span>以下?/span>?/span>加热?/span>生(cuan)(hai)工艺用热(mo)?/span>
?/span>燃气熔盐(yi)炉与(zan)气导热沚w(wa)?/span>热蝲体的区别Q?/span>
(jie)(jie)蝲体就(tuan)热(yue)的载体。(xiao)工业上,以间接方式将(jie)(jie)能从加(jie)(jie)设备传递到用热单元的(qiao)(jie)(jie)介(zhou)质称为热载体。热载体(rou)ؓ有机(jie)(jie)蝲体和(nin)无机(jie)(jie)蝲体两大类(bei)?nbsp;
燃气(que)熔盐(liao)用的(jie)蝲体:是无机热载体Q是熔盐Q用温?/span>?/span>300?/span>500(lu)的(wei)度范围内。目前常()的(tan)盐(tuan)一U三(zhu)(wei)低(wei)p混合物: 53%酸钾(KNO3Q?/span>40%亚硝酔RQ?/span>NaNO2Q?/span>7%酸钠(qing)NaNO3Q?/span>
低燃气(que)熔盐(yi)炉熔盐不(zhen)燃烧Q无爆炸(qiu)危(bian)Q泄漏蒸汽无(jiao)?/span>
主要性能如下Q?/span>
熔点Q?/span>142?/span>?nbsp; 密(gong)(hai)Q?50℃时Q?/span>=2000Kg/m3; 600℃时Q?/span>=1650Kg/m3;150?/span>600℃()(xiang)(cun)U(wan)性下降;
q动_度Q?nbsp;^=10×10-6m2/s(150(lu)时(lu))Q随温度升高按指数规律下降,当达到操作温?/span>400?/span>550℃时Q降?/span>0.8×(nao)10-6m2/s?/span> 比热容(gui) C?/span>1.55KJ/(Kgk);
(fen)热p(fei)L(kai)Q?nbsp; 500℃时 λ?/span>0.3W/(mK)Q?/span>膨胀pLQ(ben)?nbsp; 固态盐 β=0.00159 体积%/KQ熔(tun)? β(wei)=0.0112 体积%/K?/span>热稳定性: 455℃以下时分解速度为零Q因此可认ؓ对热是稳定的Q?/span>455?/span>540℃之(ce)(xiang)(cun)Q(wu)(yun)酸(hun)缓慢分解ؓ(yun)酸(hun)、氧(ai)(chen)钠和(shen)(pin): 5NaNO2 ?3NaNO3+Na2O+N2 如果装置与大气相通,?/span>455?/span>540℃时(lu)q会发生(duo)亚硝酔R(fei)氧(chen)反应: 2NaNO2+O2 ?2NaNO3
?/span>低燃气导热?/span>?/span>?/span>使用?/span>热蝲?/span>Q?/span>?/span>有机热蝲体?/span>导热Ҏ有机(jie)蝲体中的(fan)型(yu)(chen)。(xiao)是现(xi)工(juan)广泛应()的有机(jie)体,(ren)
有机热蝲体分为矿物型有机热蝲体和有合成型有机热蝲体?/span>
矿物有(shi)机热载体(hong)(hong)以石油ؓ(zha)料Q(chu)(tang)R(xia)(chu)(rou)工艺(hong)(rou)的适当(hong)(hong)馏分生旳(yu),(ren)其(duo)要组(rou)ؓ(jie)(jie)类(bei)(fei)合物(mo)合(hao)(hao)(hao)(xi)型有机(jie)(jie)蝲(jiao)(huan)以(hu)化学合成(yao)工艺生(fei),(ren)h(shi)一(yue)(ya)学结构和定(fei)化学名U的产品(mo)根(di)(rong)高允许(huan)用(ke)(wei)度Q合(hao)(hao)(hao)(xi)型有机(jie)(jie)蝲(jiao)(huan)划(rou)ؓ普通(ya)(hao)(hao)(hao)(xi)型(xia)具(hong)有(ling)D(cai)(jie)(jie)稳(yue)(dong)合(hao)(hao)(hao)(xi)型(mo)?/span>
注:不(ao)化学l(juan)的(juan)(sui)有(lian)(lian)(hong)(hong)(zan)载体不(ao)(qian)(yang)(yang)()(()),(ren)气相(lian)(lian)机(jie)(jie)蝲体(pu)(qian)当与液(sui)有(lian)(lian)(hong)(hong)(zan)载体的(juan)(yang)(yang)()(()),(ren)(yang)(yang)成型液(sui)有(lian)(lian)(hong)(hong)(zan)载体不(ao)与矿物型(lian)(lian)机(jie)(jie)蝲体(yang)(yang)()(())?/span>
?/span> 燃气熔盐炉与(ya)(zan)气导(jian)(zan)(li)w(gui)?/span>L用的材质区别Q?/span>
低氮燃气熔盐炉?/span>{体L?/span>Q?/span> 12Cr1MoVRQ?材(ji)Q?2Cr1MoVGQGB5310锅炉高压,(ren) 而超低燃气导热油炉?/span>{(jiang)(gun)(hong)L是:Q235-BQ?nbsp; 材Q?/span>20 GB3087锅(ping)低压钢管
?(zan)气(tan)盐(liao)与(zan)(xie)(que)导热沚w(liao)的炉体(kui)式(fang)的区(kui)别:
(zan)(zan)气(tan)盐炉炉采用立式底烧(liao)支撑结(bai)构,占地面积(hao),(zan)(zan)气(tan)盐炉停(gan)炉时Q炉(geng)内(qiang)的熔(tun)(tun)(sui)(su)(chi)以靠(nie)重排空(nie)(chong)(tun)(tun)(sui)槽(cong)?/span>
燃气(fen)(jian)(li)w炉的(nao)格(zi)(kui)(pin)(fang)有立式及臥式(fang)两种Q?/span>因空?/span>配置?/span>异,而做(cha)(juan)同设计Q原(rou)上卧式较占地面I间Q而立式(xi)(hong)徏{(jiang)高度限(rou)Ӟ(huan)(huan)其(huan)(huan)用(ke)效率()相等Q规g30-2000(juan)大卡,依(hui)计(xun)(xi)g(huan)(nao)划特制(mo)?/span>
常州市上能锅炉有限公?/span>紧盯?/span>?/span>的(juan)政{,(ren)专业刉?/span>以导热a(bu)Z(zhou)(lu)的燃气导热沚w?/span>Q?/span>其规gؓQ?/span>10-2000万(jiong)(ti))供热温度高达320?/span>Q?/span> ?/span>熔盐Z质的低(zan)气熔盐?/span>Q其规格?/span>Q?/span>30-2000万大(ti))供热(zan)温度(hai)高达550?/span>。其?/span>燃气导热沚w?/span>是常州(tai)上能(wen)炉有限公司(wang)具优势(kua)(qing)产品(shan)Q(ben)(guo)()(xi)公司(gao)(yi)引进(yu)德国热a炉生产技(lian))(ji)
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