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燃气(油)锅炉燃料消耗量计算及水泵选型

2020-03-17 09:38:48     浏览:280

FENXIANGDAO:

燃油、燃气锅炉的燃料消耗量估算

  天然气锅炉的耗气量可根据以下公式进行计算:天然气锅炉每小时的耗气量=锅炉热效率/天然气热值/锅炉效率。通过以上公式可以得出结论:天然气锅炉的耗气量主要取决于锅炉容量、天然气热值以及锅炉效率,而锅炉容量和天然气热值一般是无法改变的,能够决定天然气锅炉每小时耗气量的多少也就是锅炉的燃烧效率。

  TIANRANQIDEQydw=35.1597MJ/Nm3(8397.88kcal/Nm3),QUZHENGWEI8400kcal/kg,GUOLUREXIAOLVQU90%,1ZHENGDUNDERELIANG60×104kcal/h,ZERANQIDEXIAOHAOLIANGGUSUANWEI:B=60×104/(0.9×8400)=79.4Nm3/ZHENGDUNh。

锅炉房热力设备选型计算

  YIGEJIANDANDECHUNCAINUANGUOLUZHIGONGXITONGDEXUANXINGJISUAN。JIANZHUMIANJI12WANm2,MINYONGJIANZHU,JIANZHUZUIGAODIAN18m,REWANGZUIYUANDUAN500m。

  1.REFUHE

  PUTONGZHUZHAI:58W/m2(50kcal/hm2)

  GAOJIZHUZHAI:93W/m2(80kcal/hm2)

  BANGONGKEYAN:58W/m2(50kcal/hm2)

  SHANGYE:93W/m2(80kcal/hm2)

  FANDIANBINGUAN:93W/m2(80kcal/hm2)

  YIYUAN:76W/m2(65kcal/hm2)

  DAZHUANYUANXIAO:58W/m2(50kcal/hm2)

  ZHONGXIAOXUE:58W/m2(50kcal/hm2)

  TUOYOUERYUANSUO:76W/m2(65kcal/hm2)

  Q=q×F=58W/m2×12×104m2=6.96MW

  2.GUOLUANZHUANGRONGLIANGDEQUEDING

  XUANZE2TAI4.2MWHUOZHE3TAI2.8MW,ZONGRONGLIANGWEI8.4MW,KEYIMANZUFUHEYAOQIU,FUHELVWEI82.9%。

  3.XUNHUANSHUILIANG、REWANGZONGGUANGUANJINGDEQUEDING

  G=(1.1~1.2)×3.6×Qj/Cp(t2-t1)=1.2×3.6×8.4×103/(4.2×20)=432kg/h

  GENJUYAJIANGTUXUANZEZONGGUANGUANJINGWEIDN250(LIUSUKONGZHIZAI0.5~3m/s),LIUSU WEI1.6m/s,YAJIANGWEI100Pa/m。

  XUNHUANSHUIBENGYANGCHENG:H=FENGUANZULI+NEIBUZULI+(3~5)m

  FENGUANZULI:1000m×100Pa/m=0.1MPa

  NEIBUZULI:(GUOLU)0.05Mpa+GUANLU、FAMENJICHUWUQIDENG

  0.05Mpa=0.1MPa;H=0.25MPa

  4.BUJISHUIBENGDEQUEDING

  (1)DINGYAFANGSHIDEQUEDING

  RESHUIXUNHUANXITONGDEDINGYAFANGSHI,YIBANCAIYONGBUJISHUIBENGBUSHUI、DINGYA。

  ERBUJISHUIBENGDEKONGZHIFANGSHIDUIYURESHUIXUNHUANXITONGDEWENDINGDINGYAZHIGUANZHONG YAO。YIBANDI,BUJISHUIBENGDEKONGZHIFANGSHIYOUGAOWEIPENGZHANGSHUIXIANGGAODISHUIWEI(DIAN)XINHAO、DINGYAGUANYALI(DIAN)XINHAO、DIANJIEDIANYALIBIAOYALI(DIAN)XINHAO、BIANPINKONGZHIZHUANGZHIYALI(DIAN)XINHAO、ZILISHIYALIDIAOJIEFAJIZHONGFANGSHI。MUQIAN,CAIYONGBUJISHUIBENGBIANPINDINGYAFANGSHIDEBIJIAODUO。

  (2)BUJISHUIBENGLIULIANGDEQUEDING

  BUJISHUIBENGDELIULIANGYINGGENJUXUNHUANSHUIXITONGDEZHENGCHANGBUJISHUILIANGHESHIGUBUJISHUILIANGQUEDING。ZHENGCHANGBUJISHUILIANGYIBANWEIXITONGSHUIRONGLIANGDE1%;BUJISHUIBENGDELIULIANGYIBANWEIZHENGCHANGBUJISHUILIANGDE2BEI、JINJIBUSHUI4BEI。

  XITONGSHUIRONGLIANGZAISHIJIJISUANSHIBURONGYIJISUAN。DUOGEYUNXINGSHILIZHENGMING,BUJISHUIBENGDELIULIANGKESHEJIWEIXITONGXUNHUANSHUILIANGDE1~3%。

  (3)BUJISHUIBENGYANGCHENGDEQUEDING

  BUJISHUIBENGDEYANGCHENGJISUANGONGSHI:

  H=HB+Hx+Hy-h+(3~5)m

  SHIZHONG:HB—XITONGZHONGBUSHUIDIANDEYALI,m;

  Hx—BENGDEXISHUIGUANLUDEZULI,m;

  Hy—BENGDECHUSHUIGUANLUDEZULI,m;

  h—BUJISHUIXIANGZUIDISHUIWEIGAOCHUXITONGBUSHUIDIANSUOCHANSHENGDEJINGYA,m;

  3~5—JISUANFUJIAYULIANG,m。

  a.HBDEJISUAN

  YINGWEIXITONGZUIGAOCENGYONGHUANZHUANGGAODU(H0)JIASHANGRESHUIDEQIHUAYALI(BIAOYA),YIBANCAINUANYONGRESHUIWENDU≤95℃,QIQIHUAYALI(JUEDUI)WEI0.87kgf/cmBIAOYAWEI0。ZE:HB=H0。

  DIWEN(t≤95℃)GONGREXITONGDERESHUIDEQIHUAYALI(BIAOYA)WEI0,t=115℃SHIDERESHUIDEQIHUAYALI(BIAOYA)WEI0.73kgf/cm2(7.3m),t=130℃SHIDERESHUIDEQIHUAYALI(BIAOYA)WEI1.75kgf/cm2(17.5m),JISUANSHIYINGJIANGCIYALIJIASHANG。

  b.HxDEJISUAN

  YINGWEISHUIXIANGCHUKOUFAMEN、SHUIBENGJINKOUFAMENJIXISHUIGUANLUDEZULIZHIHE。GUANDUANFADEZULIYUE2m,SHEXISHUIGUANLUZHANG5m,ZULIWEI0.2m/m,Hx=3m。

  c.HyDEJISUAN

  YINGWEISHUIBENGCHUKOUZHIHUIFA、GUANDUANFAJICHUSHUIGUANLUDEZULIZHIHE。ZHIHUIFA、GUANDUANFADEZULIYUE4m,SHECHUSHUIGUANLUZHANG5m,ZULIWEI0.2m/m,ZEHx=5m。

  d.hDEJISUAN

  ZHONG、XIAOGUOLUFANGDEBUJISHUIXIANGYIBANYUXITONGBUSHUIDIANBUZHIZAITONGYICENGSHANG,QUh=0m。

  e.H=HB+Hx+Hy-h+(3~5)m=H0+3m+5m+3m=H0+11m

  (4)BUJISHUIBENGXUANXINGJISUANJIEGUO:

  LIULIANG:432×1%×2=8.64t/h

  YANGCHENG:18+11=29m

  ZHUYI:GAODIQUFENQUYUANZESHIANSANREQICHENGYAJINXINGQUFEN。

  6.SHUICHULIZHUANGZHIDEQUEDING

  XITONGBUCHONGSHUILIANGWEI4.32t/h,JISHUICHULISHEBEIDECHULIYINGMANZUCIYAOQIUDE2BEIJI8.64t/h。

  GENJUDANGDIDESHUIZHIFENXIZILIAO、JIEHESHUICHULISHEBEIDEJUTICANSHU,JISUANXUANZESHUICHULISHEBEIDEXINGHAO、GUIGE。

  7.RUANHUASHUIXIANGDEQUEDING

  RUANHUASHUIXIANGDERONGJIYINGGAIMANZU40FENZHONG-1XIAOSHIXITONGBUSHUILIANG,JI4.32t。

  8、PENGZHANGSHUIXIANGDEQUEDING

  PENGZHANGSHUIXIANGDERONGJIYINGGAIMANZU20FENZHONG-BANXIAOSHIXITONGBUSHUILIANG,JI2t。

  9、RANQIGUOLUYANDAOKEYIANDANTAIGUOLUYANDAODENGJIEMIANFAQUEDING。

  YANCONGCHUKOUNEIJINGYINGBAOZHENGZAIGUOLUFANGZUIGAOFUHESHI,YANQILIUSUBUZHIGUOGAO,YIMIANZULIGUODA;ZAIGUOLUFANGZUIDIFUHESHI,YANCONGCHUKOULIUSUBUDIYU2.5~3m/s,YIFANGZHIKONGQIDAOGUANYANCONG。

  YANCONGCHUKOUYANQISUBIAO(m/s):

YUNXINGQINGKUANG

QUANFUHESHI

ZUIXIAOFUHESHI

JIXIETONGFENG

12~20

2.5~3

WEIZHENGYARANSHAO

10~15

2.5~3

  SHENGHUORESHUIFUHE:

  (1)DAXITONGANJIANZHUMIANJI10-15W/m2;

  (2)XIAOXITONGANRENJUN50-100l/REN(60℃)

  SHENGHUORESHUISHUIXIANG:

  (1)24XIAOSHIJISHIGONGYINGXITONGAN20FENZHONG-1XIAOSHIDEYONGSHUILIANG。

  (2)CHUREGONGYINGXITONGYINGGAIMANZUQUANTIANDERESHUIGONGYINGLIANG。

了解更多燃气(油)锅炉燃料消耗量计算及水泵选型相关信息请拨打中正锅炉咨询热线:13506151202,并获取报价。

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