低氮燃气导热a锅炉与超低燃气熔盐炉区?/h1>
来源Qhttp://cvet.com.cn/news1079693.html 发布日期Q?020-02-18 00:00:00
?/span>低?/span>燃气导热沚w(wa)?/span>与超低燃气熔盐?/strong>pȝ(bai)的区别:
低(geng)氮燃(hui)气熔盐炉(gan)Q?/span>(zan)(xie)熔(qi)加热炉,是以(hu)天然气ؓ(zan)(xie)Q以(hu)导热介质Q(ben)熔盐)(ji)为热载体Q?/span>?/span>导热介质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(chuan)Q熔(tun)盐)(hong)ؓ液体?/span>Q利用高温熔(tun)(sui)܇产生的动力强制液相@?/span>Q?/span>?/span>导热介质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>导热(zan)介质Q熔(tun)盐)输送到(lao)气(que)熔盐加热(zan)(liao)盘(er)中重新(cong)加(jie)的直流?/span>工业加热?/span>
低?a href="//cvet.com.cn" target="_blank">燃气导热沚w?/strong>是以天燃(hui)(pin)(pin)ؓ(zan)料Q(ben)(ben)由天燃(hui)(pin)(pin)燃(hui)(jie)器提供(jie)量Q(ben)(ben)(han)(jie)a(bu)为热(qi)体(hong)Q(ben)(ben)通过(huan)环泵强制液(sui)@环将(jie)能(shi)(cha)(ta)给一个或多个()热讑֤Q(ben)(ben)换(jie)后q(ma)回到超(huan)(zhi)(zan)气导热(li)w(wa)炉(ling)(geng)内重新加热的直式(fang)特种工业(gu)炉?/span>
?/span>低?/span>燃气(fen)热沚w(wa)?/span>与超低燃气熔盐?/span>用途的区别Q?/span>
低氮燃气熔盐炉Q燃?/span>熔盐加热?/span>他能(suo)供使用(wei)度180℃~550?/span>的工艺温度,?/span>三(zuo)(cha)氰胺(er)、(ci)(yan)(gong)顺(yan)(gong)(heng)(jie)酸、(gui)(ai)化铝、(huo)(shang)、邻(xu)苯基(yan)(zheng)、(heng)(wu)氰(ban)(huo)、(ci)化a、(huo)冷剂(qiang){化工行业中需?/span>高温(e)热生工艺的用?/span>?/span>
低氮燃气导热a锅炉能提?/span>使用(ke)温度320?/span>的工艺温?/span>Q(ben)(ben)化工Q(ben)(ben)(chu)化(li)印(ban)Q(ben)(ben)(chu)hl等行业?/span>需?/span>320?/span>以下?/span>?/span>加热?/span>生工艺(ya)用热(zan)?/span>
?/span>低?/span>燃气(fen)热沚w?/span>与超低燃气熔盐?/span>热蝲体的区别Q?/span>
热蝲体就是热(zan)量的(qi)(jie)(mo)(xiao)工业上,(xi)间接方(nan)式将热能(xi)加热设备(yuan)(qu)(kun)到用热(zan)单元的(qiao)(qu)介质称为热(zan)(qi)(jie)(mo)热(zan)(qi)(jie)(rou)ؓ(lian)机热蝲体和(zu)机热蝲体两大类(mo)?nbsp;
低氮燃气熔盐炉使用的热载体Q?/span>是无机热载体Q是熔盐Q用温?/span>?/span>300?/span>500(lu)的温度范围内。目前常用的熔盐是一U(zhan)元低p(bian)混合物: 53%(chu)钾(KNO3Q?/span>40%亚硝酔RQ?/span>NaNO2Q?/span>7%(chu)钠(NaNO3Q?/span>
低氮燃(hui)气熔盐炉(gan)熔盐不燃(hui)(jie);(fu)(zu)(jie)(ke)炸(gao)险;(fu)泄(juan)蒸汽(zu)(chuo)(dian)?/span>
主要性能如(bei)Q?/span>
熔点Q?/span>142?/span>?nbsp; (fen)度Q?50℃时Q?/span>=2000Kg/m3; 600℃时Q?/span>=1650Kg/m3;150?/span>600℃之间(cun)U(wan)(kua)下降;(fu)
q动_度(hai)Q?nbsp;^=10×10-6m2/s(150℃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>0.8×10-6m2/s?/span> (jiao)热容: C?/span>1.55KJ/(Kgk);
导热(zan)pLQ?nbsp; 500℃时 λ?/span>0.3W/(mK)Q?/span>膨胀(jian)p(fei)LQ?nbsp; 固态盐 β=0.00159 体积%/KQ熔? β=0.0112 体()%/K?/span>热稳(yue)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℃之间时Q(ben)亚(chu)(chu)(mie)(hun)缓慢分(nao)ؓ(chu)(chu)(mie)(hun)、氧(ai)(chen)(er)(lv)和气: 5NaNO2 ?3NaNO3+Na2O+N2 如果装置与大气相通,?/span>455?/span>540(lu)时q会(xi)发生亚硝酔R的(juan)化反应:(xi) 2NaNO2+O2 ?2NaNO3
?/span>低?/span>燃气导热?/span>?/span>?/span>使用?/span>热蝲?/span>Q?/span>?/span>有机热蝲体?/span>(fen)热(zan)(li)Ҏ(yi)有机热蝲(huan)中的典(mie)型代表。它(tuan)现代工业广泛应(pai)用的有机热蝲(huan),(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(yi)(kui)有(lian)(lian)热载体(hong)以石油(guang)ؓ(fu)原料Q(chu)(tang)R和(chu)制工艺得到(ban)(qing)适(xiao)(xiao)(hong)馏分生(cuan)(hai)(hai)旳(hai)(hai)(yu)(guang)(wei)(wei)(duo)(fu)要组分ؓ(fu)烃(mi)(fei)(fei)(juan)(yang)物(yi)(mo)(mo)(xiao)(xiao)(hao)成(su)(lian)(lian)(qun)热蝲体以化学(yang)成工艺(ya)生(cuan)(hai)(hai)(fei)(fei)(che)(wei)(wei)h一(yue)化学结构和定(fei)(fei)化学名(xi)U(ban)(qing)产品(mo)(mo)根(rong)高(wei)(wei)许使用(ke)温度Q合(hao)成(su)(lian)(lian)(qun)热蝲体(qin)分ؓ(fu)普通合(hao)成(su)和具(lian)(lian)特D高热稳(yue)性合(hao)成(su)(mo)(mo)?/span>
注:(juan)同化学l(zi)成(fei)气(sui)有(lian)(lian)热(qi)(jie)(jie)(juan)应(pai)当(dun)(fan)(yang)(jiao)(),气相(lian)(lian)机(man)热蝲(jiao)(huan)(pu)应当(juan)液(sui)有(lian)(lian)热(qi)(jie)(jie)(fei)(fan)(yang)(jiao)(),(yang)(zhuan)型液(sui)有(lian)(lian)热(qi)(jie)(jie)(juan)宜(juan)矿物型(lian)(lian)机(man)热蝲(jiao)(huan)(dun)(fan)(yang)(jiao)()?/span>
?/span> 低?/span>燃气导(jian)(zan)沚w?/span>与超低燃气熔盐?/span>L用的材质区别Q?/span>
低氮燃气熔盐炉?/span>{体L?/span>Q?/span> 12Cr1MoVRQ?(geng)材Q?2Cr1MoVGQGB5310锅炉(zha)压(geng), 而超低燃气导热油炉?/span>{体L(ji)(tuan):Q235-BQ?nbsp; 材Q?/span>20 GB3087(wen)炉低压钢管
?低?/span>(zan)(xie)导热沚w(wa)?/span>与超低燃气熔盐?/span>?/span>炉体型式的区?/span>
低(pin)燃(hui)(pin)熔盐(yao)(liao)采()立式(gan)烧式支撑l构Q(ben)占地面U少(gan)Q(ben)燃(hui)(pin)熔盐(yao)停(mie)Ӟ(liao)(ling)内的(qing)熔盐可以(wei)自重排(ma)I(hong)熔盐槽内?/span>
低氮燃气导热a锅炉的规?/span>型(pin)(lian)立式及臥式两种Q?/span>因空?/span>配置?/span>异,而做不同设计Q原则上卧式较占地面(kui)I间Q而立(xiu)式较(ji)(hong)(yu){高(pei)度限Ӟ但(gong)使(kua)效率()相等Q规(luo)g30-2000万大卡,依设计条仉g(huan)规划特(gui)?/span>
常州市上能锅炉有限公?/span>紧盯?/span>?/span>的(hai)业政{(jiang),专业刉?/span>(xi)导热aZ(zhou)质的低?/span>(zan)气导热沚w?/span>Q?/span>其规gؓQ?/span>10-2000万大卡)供热温度(zha)达320?/span>Q?/span> ?/span>熔盐Z质的低?/span>燃气熔盐?/span>Q其规格?/span>Q?/span>30-2000万大卡)供(shui)(zan)温度高达550?/span>。(xiao)中超低燃气导热沚w?/span>是常(fu)州市上能(shi)锅炉(gan)有(xiong)公司具(feng)势的(qing)产品(shan)Q(ben)因()我公司(gao)(liao)进(huan)国热a(bu)炉生产技术)(ji)
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