常見氣體物性參數(shù)

1、幾種常見氣體的物性參數(shù)表名稱化學(xué)式密度kg/m3分子量氣體常數(shù)(Kg,m)/(Kg. C :熱容 Kcal/(Kg. C)K=Cp/cv粘度沸點(diǎn)C汽化熱Kcal/kg臨界點(diǎn)導(dǎo)熱系數(shù)(kcal/h. C)熔點(diǎn)Ccpcv溫度C大氣壓ata密度kg/m3氮N21.250728.0230.260.2500.1781.40170-195.7847.58-147.1333.49310.960.0196-209氨NH330.77117.0349.790.530.401.29918-33.4328132.4111.52360.0185-77.7氬Ar1.78239.9421.260.1270.0771.662

2、09-185.8738.9-122.448.005310.0149-乙炔C2H21.17126.0232.590.4020.3231.2493.5-83.6619835.761.62310.0158-苯C&H6-78.0510.850.2990.2721.172+80.294288.547.73300.0076-正丁烷C4H102.67358.0814.600.4580.4141.10881.0-0.592.315237.52250.0116-空氣-1.293(28.95)29.270.2410.1721.40173-192/547-140.7537.25310/5 00.021-213水蒸汽

3、h2o1.0018.0247-125.5100595.9-J-0氫H20.089852.016420.63.4082.421.40784.2-252.754108.5-239.912.8310.140-259氦He1.7854.002212.01.2600.7601.66188-266.054.66-267.962.2669.30.124-272氧化氮NO1.340230.0128.260.2329(15-187.6-151.8106.6-0.0190-163.6二氧化氮no21.49146.0118.40.1920.1471.31-+21.2170.0+ 158.21005700.0344-

4、11.2氧O211.428953226.50.2180.1561.40203-182.9850.92-118.8249.71429.90.0206-218.4甲烷CH40.71716.0352.900.5310.4061.31103-161.58122-82.1545.61620.0258-氧化碳CO1.25028.0030.290.2500.1801.40166-191.4850.5-140.234.533110.0194-207二氧化碳CO21.97644.0019.270.2000.1561.30137-78.213731.172.94600.0118-56.6正戊烷C5Hl272.10

5、11.750.410.3761.0987.4+36.0886197.133.02320.0110丙烷C3H82.02044.0619.250.4550.3941.1379.5-42.110295.6432320.0127丙烯C3H61.91442.0520.190.3900.3431.1783.5-47.710591.445.4233硫化氫h2s1.53934.0924.900.2530.1921.30116.6-60.2131100.4188.9-0.0113二氧化硫SO22.92764.0613.240.1510.1201.25117-10.894157.577.785200.0066-三

6、氧化硫SO3.3 :2.7580.0710.57-44.8118.5-16.83氯cl23.21770.9111.960.1150.08481.36129-33.872.9514476.15730.0062-103氯甲烷ch3cl2.30850.4816.800.1170.1391.2898.9-24.196.914866.03700.0073-44.5乙烷C2H51.35730.0628.210.4130.3451.2085.0-88.5011632.148.852100.0155-乙烯C2H41.26128.0330.250.3630.2921.2598.5-103.701159.750.

7、72200.0141-氯化氫HCL1.63936.4723.30.1839 （15-142.6-83.798.7-112氟F211.63543822.3-18740.52-氟化氫HF0.921820.0142.3-19.4372.76-83ytzhanghui （張輝）15:59:43于公：原料烘干那里降低一個(gè)點(diǎn)的水分可以節(jié)省多少燃料，如何計(jì)算?yuguohai （于國(guó)海）17:04:021500T 原礦 *1%=15T 水ytzhanghui （張輝）17:05:10節(jié)省的燃料怎么算？yuguohai （于國(guó)海）17:05:5515 噸水 *（ 100-20）=120000 大卡ytzhan

8、ghui （張輝）17:06:14知道了yuguohai （于國(guó)海）17:09:38120000 大卡 /7000=17.14Kgyuguohai （于國(guó)海）17:10:10變成100度的水需要的標(biāo)煤ytzhanghui （張輝）17:11:14大卡是千卡還是卡yuguohai （于國(guó)海）17:13:01100度的水變成100度的水蒸汽需要的熱：15噸*1000*539 （汽化熱）595.5 （實(shí)際數(shù)）=8932500大卡/7000=1276Kgyuguohai （于國(guó)海）17:13:351000卡=1大卡yuguohai （于國(guó)海）17:22:47100度的水蒸氣再變?yōu)?05度需要的熱=0.

9、4952 （比熱）*（ 105-100）*15000=37141大卡/7000=5.306Kgyuguohai （于國(guó)海）17:42:11caochangsheng （曹常勝）17:21:02Q=W （t1 -t0） *C1+q 潛）+ （t2*C3） - （t1*C2） *VQ：水分蒸發(fā)消耗的熱量KJ;W:物料中水的總量Kg;t1:水的沸騰溫度，100攝氏度；t0 :水的初始溫度20攝氏度；C1：水的比熱容，4.2kj/ （kg*度）；q潛：水的蒸發(fā)熱，2264KJ/kg;t2:出爐煙氣溫度，1200度；C3:1200度水蒸氣的平均比熱容1.77KJ/ （m3*度）,C2： 100度水蒸氣的平均比熱容，1.51KJ/ （m3*度）；V:煙氣中水蒸氣的體積。yuguohai （于國(guó)海）17:46:48Q=15000 （100-20） *4.2+ （1200*1.77-100*1.51） *15000/0.149=203664161.1KJ=203664161.1KJ/4.18/7000=6960.5Kg 標(biāo)煤在1個(gè)標(biāo)準(zhǔn)大氣壓和100 情況下，水的汽化熱為2253.02焦耳/克，在常溫常壓下