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附录F 蒸汽表

Appendix F Steam Tables

F.1INTERPOLATION

When a value is required from a table at conditions which lie between listed values,interpo-lation is necessary.If M ,the quantity sought,is a function of a single independent variable X and if linear interpolation is appropriate,as in the tables for saturated steam,then a direct proportionality exists between corresponding differences in M and in X .When M ,the value at X ,is intermediate between two given values,M 1at X 1and M 2at X 2,then:

M = X 2?X X 2?X 1 M 1+ X ?X 1

X 2?X 1 M 2(F .1)

For example,the enthalpy of saturated vapor steam at 140.8?C is intermediate between

the following values taken from Table F.1:

t H

t 1=140?C H 1=2733.1kJ kg ?1

t =140.8?C H =?

t 2=142?C

H 2=2735.6kJ kg ?1

Substitution of values into Eq.(F.1)with M =H and t =X yields:

H =

1.22(2733.1)+0.82

(2735.6)=2734.1kJ kg When M is a function of two independent variables X and Y and if linear interpolation is

appropriate,as in the tables for superheated steam,then double linear interpolation is required.Data for quantity M at values of the independent variables X and Y adjacent to the given values are represented as follows:

2Y 1

M 1,1

M 1

Y M =?

Y 2

M 2,1

M 2,2

684

685

Double linear interpolation between the given values of M is represented by:

M = X 2?X X 2?X 1 M 1,1+

X ?X 1

X 2?X 1 M 1,2

Y 2?Y Y 2?Y 1

X 2?X X 2?X 1

M 2,1+

X ?X 1X 2?X 1

M 2,2

Y ?Y 1Y 2?Y 1

(F.2)

Example F.1

From data in the steam tables,?nd:

(a )The speci?c volume of superheated steam at 816kPa and 512?C.

(b )The temperature and speci?c entropy of superheated steam at P =2950kPa

and H =3150.6kJ kg ?1.

Solution F.1

(a )The following table shows speci ?c volumes from Table F.2for superheated steam at conditions adjacent to those speci ?ed:

P /kPa t =500?C t =512?C

t =550?C 800443.17

472.49

816V =?

825

429.65458.10

Substitution of values in Eq.(F.2)with M =V ,X =t ,and Y =P yields:

V = 3850(443.17)+1250(472.49)

925

+ 3850(429.65)+1250(458.10) 1625=441.42cm 3g ?1

(b )The following table shows enthalpy data from Table F.2for superheated steam

at conditions adjacent to those speci ?ed:

P /kPa t 1=

350?C t =

t 2=375

?C 2900

3119.73177.42950H t 1H =3150.6H t 23000

3117.5

3175.6

686APPENDIX F.Steam Tables Here,use of Eq.(F.2)is not convenient.Rather,for P=2950kPa,interpolate

linearly at t1=350?C for H t1and at t2=375?C for H t2,applying Eq.(F.1)twice,

?rst at t1and second at t2,with M=H and X=P:

H t

1=50

100

(3119.7)+50

100

(3117.5)=3118.6

H t

2=50

100

(3177.4)+50

100

(3175.6)=3176.5

A third linear interpolation between these values with M=t and X=H in Eq.(F.1)yields:

t=3176.5?3150.6

3176.5?3118.6

(350)+3150.6?3118.6

3176.5?3118.6

(375)=363.82?C

Given this temperature,a table of entropy values can now be constructed: P/kPa t=350?C t=363.82?C t=375?C

2900 6.7654 6.8563

2950S=?

3000 6.7471 6.8385

Application of Eq.(6.75)with M=S,X=t,and Y=P yields:

11.18

(6.7654)+13.82

(6.8563)

100

11.18

(6.7471)+13.82

(6.8385)

100

=6.8066kJ mol?1

687

STEAM TABLES Page Table F.1Properties of Saturated Steam,SI Units688 Table F.2Properties of Superheated Steam,SI Units694 Table F.3Properties of Saturated Steam,English Units726 Table F.4Properties of Superheated Steam,English Units732

All tables are generated by computer from programs1based on“The1976International For-mulation Committee Formulation for Industrial Use:A Formulation of the Thermodynamic Properties of Ordinary Water Substance,”as published in the ASME Steam Tables,4th ed.,

App.I,pp.11–29,The Am.Soc.Mech.Engrs.,New York,1979.These tables served as a world-wide standard for30years,and are entirely adequate for instructional purposes.How-ever,they have been replaced by the“International Association for the Properties of Water and Steam Formulation1997for the Thermodynamic Properties of Water and Steam for Industrial Use.”These and other newer tables are discussed by A.H.Harvey and W.T.Parry,“Keep Your Steam Tables up to Date,”Chemical Engineering Progress,vol.95,no.11,p.45,Nov., 1999.

1We gratefully acknowledge the contributions of Professor Charles Muckenfuss,of Debra L.Sauke,and of Eugene N.Dorsi,whose efforts produced the computer programs from which these tables derive.

688

APPENDIX F.Steam Tables

T a b l e F .1:S a t u r a t e d S t e a m ,S I U n i t s

V =S P E C I F I C V O L U M E

c m 3g

?1U =S P E C I F I C I N T E R N A L E N E R G Y

k J k g ?1

H =S P E C I F I C E N T H A L P Y

k J k g

?1S =S P E C I F I C E N T R O P Y

k J k g

?1K ?1S P E C I F I C V O L U M E V I N T E R N A L E N E R G Y U

E N T H A L P Y H E N T R O P Y S

T P s a t .s a t .s a t .s a t .s a t .s a t .s a t .s a t .?C

K k P a l i q .e v a p .

v a p .

l i q .e v a p .

v a p .l i q .e v a p .

v a p .

0273.150.6111.000206300.

206300.-0.042375.72375.6-0.042501.72501.60.00009.15789.15780.01273.160.6111.000206200.206200.0.002375.62375.60.002501.62501.60.00009.15759.15751274.150.6571.000192600.192600.4.172372.72376.94.172499.22503.40.01539.11589.13112275.150.7051.000179900.179900.8.392369.92378.38.392496.82505.20.03069.07419.10473276.150.7571.000168200.168200.12.602367.12379.712.602494.52507.10.04599.03269.07854277.150.8131.000157300.157300.16.802364.32381.116.802492.12508.90.06118.99159.05265278.150.8721.000147200.147200.21.012361.42382.421.012489.72510.70.07628.95079.02696279.150.9351.000137800.137800.25.212358.62383.825.212487.42512.60.09138.91029.00147280.151.0011.000129100.129100.29.412355.82385.229.412485.02514.40.10638.86998.97628281.151.0721.000121000.121000.33.602353.02386.633.602482.62516.20.12138.83008.95139282.151.1471.000113400.113400.37.802350.12387.937.802480.32518.10.13628.79038.926510283.151.2271.000106400.106400.41.992347.32389.341.992477.92519.90.15108.75108.902011284.151.3121.00099910.99910.46.182344.52390.746.192475.52521.70.16588.71198.877612285.151.4011.00093830.93840.50.382341.72392.150.382473.22523.60.18058.67318.853613286.151.4971.00188180.88180.54.562338.92393.454.572470.82525.40.19528.63458.829714287.151.5971.00182900.82900.58.752336.12394.858.752468.52527.20.20988.59638.806015288.151.7041.00177980.77980.62.942333.22396.262.942466.12529.10.22438.55828.782616289.151.8171.00173380.73380.67.122330.42397.667.132463.82530.90.23888.52058.759317290.151.9361.00169090.69090.71.312327.62398.971.312461.42532.70.25338.48308.736318291.152.0621.00165090.65090.75.492324.82400.375.502459.02534.50.26778.44588.713519292.152.1961.00261340.61340.79.682322.02401.779.682456.72536.40.28208.40888.690820293.152.3371.00257840.57840.83.862319.22403.083.862454.32538.20.29638.37218.668421294.152.4851.00254560.54560.88.042316.42404.488.042452.02540.00.31058.33568.646222295.152.6421.00251490.51490.92.222313.62405.892.232449.62541.80.32478.29948.624123296.152.8081.00248620.48620.96.402310.72407.196.412447.22543.60.33898.26348.602324297.152.9821.00345920.45930.100.62307.92408.5100.62444.92545.50.35308.22778.580625298.153.1661.00343400.43400.104.82305.12409.9104.82442.52547.30.36708.19228.559226299.153.3601.00341030.41030.108.92302.32411.2108.92440.22549.10.38108.15698.537927300.153.5641.00338810.38810.113.12299.52412.6113.12437.82550.90.39498.12188.516828301.153.7781.00436730.36730.117.32296.72414.0117.32435.42552.70.40888.08708.495929302.154.0041.004

34770.34770.121.5

2293.82415.3121.52433.12554.50.42278.0524

8.475

689

30303.154.2411.00432930.32930.125.72291.02416.7125.72430.72556.40.43658.01808.454631304.154.4911.00531200.31200.129.82288.22418.0129.82428.32558.20.45037.98398.434232305.154.7531.00529570.29570.134.02285.42419.4134.02425.92560.00.46407.95008.414033306.155.0291.00528040.28040.138.22282.62420.8138.22423.62561.80.47777.91638.393934307.155.3181.00626600.26600.142.42279.72422.1142.42421.22563.60.49137.88288.374035308.155.6221.00625240.25240.146.62276.92423.5146.62418.82565.40.50497.84958.354336309.155.9401.00623970.23970.150.72274.12424.8150.72416.42567.20.51847.81648.334837310.156.2741.00722760.22760.154.92271.32426.2154.92414.12569.00.53197.78358.315438311.156.6241.00721630.21630.159.12268.42427.5159.12411.72570.80.54537.75098.296239312.156.9911.00720560.20560.163.32265.62428.9163.32409.32572.60.55887.71848.277240313.157.3751.00819550.19550.167.42262.82430.2167.52406.92574.40.57217.68618.258341314.157.7771.00818590.18590.171.62259.92431.6171.62404.52576.20.58547.65418.239542315.158.1981.00917690.17690.175.82257.12432.9175.82402.12577.90.59877.62228.220943316.158.6391.00916840.16840.180.02254.32434.2180.02399.72579.70.61207.59058.202544317.159.1001.00916040.16040.184.22251.42435.6184.22397.32581.50.62527.55908.184245318.159.5821.01015280.15280.188.32248.62436.9188.42394.92583.30.63837.52778.166146319.1510.091.01014560.14560.192.52245.72438.3192.52392.52585.10.65147.49668.148147320.1510.611.01113880.13880.196.72242.92439.6196.72390.12586.90.66457.46578.130248321.1511.161.01113230.13230.200.92240.02440.9200.92387.72588.60.67767.43508.112549322.1511.741.01212620.12620.205.12237.22442.3205.12385.32590.40.69067.40448.095050323.1512.341.01212040.12050.209.22234.32443.6209.32382.92592.20.70357.37418.077651324.1512.961.01311500.11500.213.42231.52444.9213.42380.52593.90.71647.34398.060352325.1513.611.01310980.10980.217.62228.62446.2217.62378.12595.70.72937.31388.043253326.1514.291.01410490.10490.221.82225.82447.6221.82375.72597.50.74227.28408.026254327.1515.001.01410020.10020.226.02222.92448.9226.02373.22599.20.75507.25438.009355328.1515.741.0159577.99578.9230.22220.02450.2230.22370.82601.00.76777.22487.992556329.1516.511.0159157.79158.7234.32217.22451.5234.42368.42602.70.78047.19557.975957330.1517.311.0168758.78759.8238.52214.32452.8238.52365.92604.50.79317.16637.959558331.1518.151.0168379.88380.8242.72211.42454.1242.72363.52606.20.80587.13737.943159332.1519.021.0178019.78020.8246.92208.62455.4246.92361.12608.00.81847.10857.926960333.1519.921.0177677.57678.5251.12205.72456.8251.12358.62609.70.83107.07987.910861334.1520.861.0187352.17353.2255.32202.82458.1255.32356.22611.40.84357.05137.894862335.1521.841.0187042.77043.7259.42199.92459.4259.52353.72613.20.85607.02307.879063336.1522.861.0196748.26749.3263.62197.02460.7263.62351.32614.90.86856.99487.863364337.1523.911.0196468.06469.0267.82194.12462.0267.82348.82616.60.88096.96677.847765338.1525.011.0206201.36202.3272.02191.22463.2272.02346.32618.40.89336.93887.832266339.1526.151.0205947.25948.2276.22188.32464.5276.22343.92620.10.90576.91117.816867340.1527.331.0215705.25706.2280.42185.42465.8280.42341.42621.80.91806.88357.801568341.1528.561.0225474.65475.6284.62182.52467.1284.62338.92623.50.93036.85617.786469342.1529.841.0225254.85255.8288.82179.62468.4288.82336.42625.20.94266.82887.771470343.1531.161.0235045.25046.3292.92176.72469.7293.02334.02626.90.95486.80177.756571344.1532.531.0234845.44846.4297.12173.82470.9297.22331.52628.60.96706.77477.741772345.1533.961.0244654.74655.7301.32170.92472.2301.42329.02630.30.97926.74787.727073346.1535.431.0254472.74473.7305.52168.02473.5305.52326.52632.00.99136.72117.712474347.1536.961.0254299.04300.0309.72165.12474.8309.72324.02633.71.00346.69457.6979

690

APPENDIX F.Steam Tables

T a b l e F .1.S a t u r a t e d S t e a m ,S I U n i t s (C o n t i n u e d )

S P E C I F I C V O L U M E V I N T E R N A L E N E R G Y U

E N T H A L P Y H E N T R O P Y S

t T P s a t .s a t .s a t .s a t .s a t .s a t .s a t .s a t .?C

K k P a l i q .e v a p .

v a p .

l i q .e v a p .

v a p .l i q .e v a p .v a p .l i q .e v a p .

v a p .75348.1538.551.0264133.14134.1313.92162.12476.0313.92321.52635.41.01546.66817.683576349.1540.191.0273974.63975.7318.12159.22477.3318.12318.92637.11.02756.64187.669377350.1541.891.0273823.33824.3322.32156.32478.5322.32316.42638.71.03956.61567.655178351.1543.651.0283678.63679.6326.52153.32479.8326.52313.92640.41.05146.58967.641079352.1545.471.0293540.33541.3330.72150.42481.1330.72311.42642.11.06346.56377.627180353.1547.361.0293408.13409.1334.92147.42482.3334.92308.82643.81.07536.53807.613281354.1549.311.0303281.63282.6339.12144.52483.5339.12306.32645.41.08716.51237.599582355.1551.331.0313160.63161.6343.32141.52484.8343.32303.82647.11.09906.48687.585883356.1553.421.0313044.83045.8347.52138.62486.0347.52301.22648.71.11086.46157.572284357.1555.571.0322933.92935.0351.72135.62487.3351.72298.62650.41.12256.43627.558785358.1557.801.0332827.82828.8355.92132.62488.5355.92296.12652.01.13436.41117.545486359.1560.111.0332726.12727.2360.12129.72489.7360.12293.52653.61.14606.38617.532187360.1562.491.0342628.82629.8364.32126.72490.9364.32290.92655.31.15776.36127.518988361.1564.951.0352535.42536.5368.52123.72492.2368.52288.42656.91.16936.33657.505889362.1567.491.0352446.02447.0372.72120.72493.4372.72285.82658.51.18096.31197.492890363.1570.111.0362360.32361.3376.92117.72494.6376.92283.22660.11.19256.28737.479991364.1572.811.0372278.02279.1381.12114.72495.8381.12280.62661.71.20416.26297.467092365.1575.611.0382199.22200.2385.32111.72497.0385.42278.02663.41.21566.23877.454393366.1578.491.0382123.52124.5389.52108.72498.2389.62275.42665.01.22716.21457.441694367.1581.461.0392050.92051.9393.72105.72499.4393.82272.82666.61.23866.19057.429195368.1584.531.0401981.21982.2397.92102.72500.6398.02270.22668.11.25016.16657.416696369.1587.691.0411914.31915.3402.12099.72501.8402.22267.52669.71.26156.14277.404297370.1590.941.0411850.01851.0406.32096.62503.0406.42264.92671.31.27296.11907.391998371.1594.301.0421788.31789.3410.52093.62504.1410.62262.22672.91.28426.09547.379699372.1597.761.0431729.01730.0414.72090.62505.3414.82259.62674.41.29566.07197.3675100373.15101.331.0441672.01673.0419.02087.52506.5419.12256.92676.01.30696.04857.3554102375.15108.781.0451564.51565.5427.42081.42508.8427.52251.62679.11.32946.00217.3315104377.15116.681.0471465.11466.2435.82075.32511.1435.92246.32682.21.35185.95607.3078106379.15125.041.0491373.11374.2444.32069.22513.4444.42240.92685.31.37425.91047.2845108381.15133.901.0501287.91288.9452.72063.02515.7452.92235.42688.31.39645.86517.2615110383.15143.271.0521208.91209.9461.22056.82518.0461.32230.02691.31.41855.82037.2388112385.15153.161.0541135.61136.6469.62050.62520.2469.82224.52694.31.44055.77587.2164114387.15163.621.0551067.51068.5478.12044.32522.4478.32219.02697.21.46245.73187.1942116389.15174.651.0571004.21005.2486.62038.12524.6486.72213.42700.21.48425.68817.1723118391.15186.281.059945.3946.3495.02031.82526.8495.22207.92703.11.50605.64477.1507120393.15198.541.061890.5891.5503.52025.42529.0503.72202.22706.01.52765.60177.1293122395.15211.451.062839.4840.5512.02019.12531.1512.22196.62708.81.54915.55907.1082124397.15225.041.064791.8792.8520.52012.72533.2520.72190.92711.61.57065.51677.0873126399.15239.331.066747.3748.4529.02006.32535.3529.22185.22714.41.59195.47477.0666128401.15254.351.068

705.8706.9

537.5

1999.92537.4537.82179.42717.21.61325.43307.046

691

130403.15270.131.070667.1668.1546.01993.42539.4546.32173.62719.91.63445.39177.0261132405.15286.701.072630.8631.9554.51986.92541.4554.82167.82722.61.65555.35077.0061134407.15304.071.074596.9598.0563.11980.42543.4563.42161.92725.31.67655.30996.9864136409.15322.291.076565.1566.2571.61973.82545.4572.02155.92727.91.69745.26956.9669138411.15341.381.078535.3536.4580.21967.22547.4580.52150.02730.51.71825.22936.9475140413.15361.381.080507.4508.5588.71960.62549.3589.12144.02733.11.73905.18946.9284142415.15382.311.082481.2482.3597.31953.92551.2597.72137.92735.61.75975.14996.9095144417.15404.201.084456.6457.7605.91947.22553.1606.32131.82738.11.78035.11056.8908146419.15427.091.086433.5434.6614.41940.52554.9614.92125.72740.61.80085.07156.8723148421.15451.011.089411.8412.9623.01933.72556.8623.52119.52743.01.82135.03276.853*******.15476.001.091391.4392.4631.61926.92558.6632.12113.22745.41.84164.99416.8358152425.15502.081.093372.1373.2640.21920.12560.3640.82106.92747.71.86194.95586.8178154427.15529.291.095354.0355.1648.91913.22562.1649.42100.62750.01.88224.91786.8000156429.15557.671.098336.9338.0657.51906.32563.8658.12094.22752.31.90234.88006.7823158431.15587.251.100320.8321.9666.11899.32565.5666.82087.72754.51.92244.84246.7648160433.15618.061.102305.7306.8674.81892.32567.1675.52081.32756.71.94254.80506.7475162435.15650.161.105291.3292.4683.51885.32568.8684.22074.72758.91.96244.76796.7303164437.15683.561.107277.8278.9692.11878.22570.4692.92068.12761.01.98234.73096.7133166439.15718.311.109265.0266.1700.81871.12571.9701.62061.42763.12.00224.69426.6964168441.15754.451.112252.9254.0709.51863.92573.4710.42054.72765.12.02194.65776.6796170443.15792.021.114241.4242.6718.21856.72574.9719.12047.92767.12.04164.62146.6630172445.15831.061.117230.6231.7727.01849.52576.4727.92041.12769.02.06134.58536.6465174447.15871.601.120220.3221.5735.71842.22577.8736.72034.22770.92.08094.54936.6302176449.15913.681.122210.6211.7744.41834.82579.3745.52027.32772.72.10044.51366.6140178451.15957.361.125201.4202.5753.21827.42580.6754.32020.22774.52.11994.47806.5979180453.151002.71.128192.7193.8762.01820.02581.9763.12013.12776.32.13934.44266.5819182455.151049.61.130184.4185.5770.81812.52583.2772.02006.02778.02.15874.40746.5660184457.151098.31.133176.5177.6779.61804.92584.5780.81998.82779.62.17804.37236.5503186459.151148.81.136169.0170.2788.41797.32585.7789.71991.52781.22.19724.33746.5346188461.151201.01.139161.9163.1797.21789.72586.9798.61984.22782.82.21644.30266.5191190463.151255.11.142155.2156.3806.11782.02588.1807.51976.72784.32.23564.26806.5036192465.151311.11.144148.8149.9814.91774.22589.2816.51969.32785.72.25474.23366.4883194467.151369.01.147142.6143.8823.81766.42590.2825.41961.72787.12.27384.19936.4730196469.151428.91.150136.8138.0832.71758.62591.3834.41954.12788.42.29284.16516.4578198471.151490.91.153131.3132.4841.61750.62592.3843.41946.42789.72.31174.13106.4428200473.151554.91.156126.0127.2850.61742.62593.2852.41938.62790.92.33074.09716.4278202475.151621.01.160121.0122.1859.51734.62594.1861.41930.72792.12.34954.06336.4128204477.151689.31.163116.2117.3868.51726.52595.0870.51922.82793.22.36844.02966.3980206479.151759.81.166111.6112.8877.51718.32595.8879.51914.72794.32.38723.99616.3832208481.151832.61.169107.2108.4886.51710.12596.6888.61906.62795.32.40593.96266.3686210483.151907.71.173103.1104.2895.51701.82597.3897.71898.52796.22.42473.92936.3539212485.151985.21.17699.09100.26904.51693.52598.0906.91890.22797.12.44343.89606.3394214487.152065.11.17995.2896.46913.61685.12598.7916.01881.82797.92.46203.86296.3249216489.152147.51.18391.6592.83922.71676.62599.3925.21873.42798.62.48063.82986.3104218491.152232.41.18688.1789.36931.81668.02599.8934.41864.92799.32.49923.79686.296

692

APPENDIX F.Steam Tables

T a b l e F .1.S a t u r a t e d S t e a m ,S I U n i t s (C o n t i n u e d )

S P E C I F I C V O L U M E V I N T E R N A L E N E R G Y U

E N T H A L P Y H E N T R O P Y S

t T P s a t .s a t .s a t .s a t .s a t .s a t .s a t .s a t .?C

K k P a l i q .e v a p .

v a p .

l i q .e v a p .

v a p .l i q .e v a p .v a p .l i q .e v a p .

v a p .220493.152319.81.19084.8586.04940.91659.42600.3943.71856.22799.92.51783.76396.2817222495.152409.91.19481.6782.86950.11650.72600.8952.91847.52800.52.53633.73116.2674224497.152502.71.19778.6279.82959.21642.02601.2962.21838.72800.92.55483.69846.2532226499.152598.21.20175.7176.91968.41633.12601.5971.51829.82801.42.57333.66576.2390228501.152696.51.20572.9274.12977.61624.22601.8980.91820.82801.72.59173.63316.2249230503.152797.61.20970.2471.45986.91615.22602.1990.31811.72802.02.61023.60066.2107232505.152901.61.21367.6868.89996.21606.12602.3999.71802.52802.22.62863.56816.1967234507.153008.61.21765.2266.431005.41597.02602.41009.11793.22802.32.64703.53566.1826236509.153118.61.22162.8664.081014.81587.72602.51018.61783.82802.32.66533.50336.1686238511.153231.71.22560.6061.821024.11578.42602.51028.11774.22802.32.68373.47096.1546240513.153347.81.22958.4359.651033.51569.02602.51037.61764.62802.22.70203.43866.1406242515.153467.21.23356.3457.571042.91559.52602.41047.21754.92802.02.72033.40636.1266244517.153589.81.23854.3455.581052.31549.92602.21056.81745.02801.82.73863.37406.1127246519.153715.71.24252.4153.661061.81540.22602.01066.41735.02801.42.75693.34186.0987248521.153844.91.24750.5651.811071.31530.52601.81076.11724.92801.02.77523.30966.0848250523.153977.61.25148.7950.041080.81520.62601.41085.81714.72800.42.79353.27736.0708252525.154113.71.25647.0848.331090.41510.62601.01095.51704.32799.82.81183.24516.0569254527.154253.41.26145.4346.691100.01500.52600.51105.31693.82799.12.83003.21296.0429256529.154396.71.26643.8545.111109.61490.42600.01115.21683.22798.32.84833.18076.029*******.154543.71.27142.3343.601119.31480.12599.31125.01672.42797.42.86663.14846.0150260533.154694.31.27640.8642.131129.01469.72598.61134.91661.52796.42.88483.11616.0010262535.154848.81.28139.4440.731138.71459.22597.81144.91650.42795.32.90313.08385.9869264537.155007.11.28638.0839.371148.51448.52597.01154.91639.22794.12.92143.05155.9729266539.155169.31.29136.7738.061158.31437.82596.11165.01627.82792.82.93973.01915.9588268541.155335.51.29735.5136.801168.21426.92595.01175.11616.32791.42.95802.98665.9446270543.155505.81.30334.2935.591178.11415.92593.91185.21604.62789.92.97632.95415.9304272545.155680.21.30833.1134.421188.01404.72592.71195.41592.82788.22.99472.92155.9162274547.155858.71.31431.9733.291198.01393.42591.41205.71580.82786.53.01312.88895.9019276549.156041.51.32030.8832.201208.01382.02590.11216.01568.52784.63.03142.85615.8876278551.156228.71.32629.8231.141218.11370.42588.61226.41556.22782.63.04992.82335.8731280553.156420.21.33228.7930.131228.31358.72587.01236.81543.62780.43.06832.79035.8586282555.156616.11.33927.8129.141238.51346.82585.31247.31530.82778.13.08682.75735.8440284557.156816.61.34526.8528.201248.71334.82583.51257.91517.82775.73.10532.72415.8294286559.157021.81.35225.9327.281259.01322.62581.61268.51504.62773.23.12382.69085.8146288561.157231.51.35925.0326.391269.41310.22579.61279.21491.22770.53.14242.65735.7997290563.157446.11.36624.1725.541279.81297.72577.51290.01477.62767.63.16112.62375.7848292565.157665.41.37323.3324.711290.31284.92575.31300.91463.82764.63.17982.58995.7697294567.157889.71.38122.5223.901300.91272.02572.91311.81449.72761.53.19852.55605.7545296569.158118.91.38821.7423.131311.51258.92570.41322.81435.42758.23.21732.52185.7392298571.158353.21.396

20.9822.38

1322.2

1245.62567.81333.91420.82754.73.23622.48755.723

饱和蒸汽压力温度对照表

压力(MPa) 温度(℃) 0.001 6.9491 0.002 12.9751 0.002 17.5403 0.003 21.1012 0.003 24.1142 0.004 26.6707 0.004 28.9533 0.005 31.0533 0.005 32.8793 0.006 34.6141 0.006 36.1663 0.007 37.6271 0.007 38.9967 0.008 40.2749 0.008 41.5075 0.009 42.6488 0.009 43.7901 0.010 44.8173 0.010 45.7988 0.011 47.6934 0.012 49.4281 0.013 51.0488 0.014 52.5553 0.015 53.9705 0.016 55.3401 压力(MPa) 温度(℃) 0.017 56.5955 0.018 57.8053 0.019 58.9694 0.020 60.0650 0.021 61.1378 0.022 62.1422 0.023 63.1237 0.024 64.0596 0.025 64.9726 0.026 65.8628 0.027 66.7074 0.028 67.5291 0.029 68.3280 0.030 69.1041 0.032 70.6106 0.034 72.0144 0.036 73.3611 0.038 74.6508 0.040 75.8720 0.045 78.7366 0.050 81.3388 0.055 83.7355 0.060 85.9496 0.065 88.0154 0.070 89.9556 压力(MPa) 温度(℃) 0.075 91.7816 0.080 93.5107 0.085 95.1485 0.090 96.7121 0.095 98.2014 0.100 99.6340 0.110 102.3160 0.120 104.8100 0.130 107.1380 0.140 109.3180 0.150 111.3780 0.160 113.3260 0.170 115.1780 0.180 116.9410 0.190 118.6250 0.200 120.2400 0.210 121.7890 0.220 123.2810 0.230 124.7170 0.240 126.1030 0.250 127.4440 0.260 128.7400 0.270 129.9980 0.280 131.2180 0.290 132.4030 压力(MPa) 温度(℃) 0.300 133.5560 0.310 134.6770 0.320 135.7700 0.330 136.8360 0.340 137.8760 0.350 138.8910 0.360 139.8850 0.370 140.8550 0.380 141.8030 0.390 142.7320 0.400 143.6420 0.410 144.5350 0.420 145.4110 0.430 146.2690 0.440 147.1120 0.450 147.9330 0.460 148.7510 0.470 149.5500 0.480 150.3360 0.490 151.1080 0.500 151.8670 0.520 153.3500 0.540 154.7880 0.560 156.1850 0.580 157.5430 压力(MPa) 温度(℃) 0.600 158.8630 0.620 160.1480 0.640 161.4020 0.660 162.6250 0.680 163.8170 0.700 164.9830 0.720 166.1230 0.740 167.2370 0.760 168.3280 0.780 169.3970 0.800 170.4440 0.820 171.4710 0.840 172.4770 0.860 173.4660 0.880 174.4360 0.900 175.3890 0.920 176.3250 0.940 177.2450 0.960 178.1500 0.980 179.0400 1.000 179.9160 1.050 18 2.0480 1.100 184.1000 1.150 186.0810 1.200 187.9950 压力(MPa) 温度(℃) 1.250 189.8480 1.300 191.6440 1.350 193.3860 1.400 195.0780 1.450 196.7250 1.500 198.3270 1.550 199.8870 1.600 201.4100 1.650 20 2.8950 1.700 204.3460 1.750 205.7640 1.800 207.1510 1.850 208.5080 1.900 209.8380 1.950 211.1400 2.000 212.4170 2.050 21 3.6690 2.100 214.8980 2.150 216.1040 2.200 217.2890 2.250 218.4520 2.300 219.5960 2.350 220.7220 2.400 221.8290 2.450 222.9180 1 / 2

水的饱和蒸汽压与温度对应表

水的饱和蒸汽压与温度对应表一、水的饱和蒸汽压与温度的关系蒸汽压是一定外界条件下，液体中的液态分子会蒸发为气态分子，同时气态分子也会撞击液面回归液态。这是单组分系统发生的两相变化，一定时间后，即可达到平衡。平衡时，气态分子含量达到最大值，这些气态分子对液体产生的压强称为蒸气压。水的表面就有水蒸气压，当水的蒸气压达到水面上的气体总压的时候，水就沸腾。我们通常看到水烧开，就是在100摄氏度时水的蒸气压等于一个大气压。蒸气压随温度变化而变化，温度越高，蒸气压越大，当然还和液体种类有关。一定的温度下，与同种物质的液态(或固态)处于平衡状态的蒸气所产生的压强叫饱和蒸气压，它随温度升高而增加。如：放在杯子里的水，会因不断蒸发变得愈来愈少。如果把纯水放在一个密闭的容器里，并抽走上方的空气。当水不断蒸发时，水面上方气相的压力，即水的蒸气所具有的压力就不断增加。但是，当温度一定时，气相压力最终将稳定在一个固定的数值上，这时的气相压力称为水在该温度下的饱和蒸气压力。当气相压力的数值达到饱和蒸气压力的数值时，液相的水分子仍然不断地气化，气相的水分子也不断地冷凝成液体，只是由于水的气化速度等于水蒸气的冷凝速

度，液体量才没有减少，气体量也没有增加，液体和气体达到平衡状态。所以，液态纯物质蒸气所具有的压力为其饱和蒸气压力时，气液两相即达到了相平衡。饱和蒸气压是物质的一个重要性质，它的大小取决于物质的本性和温度。饱和蒸气压越大，表示该物质越容易挥发。二、水的饱和蒸汽压与温度对应表水的饱和蒸汽压与温度对应表

三、水的饱和蒸汽压与温度的换算公式当10℃≤T≤168℃时，采用安托尼方程计算：lgP=7.07406-（1657.46/(T+227.02)）式中：P——水在T温度时的饱和蒸汽压，kPa； T——水的温度，℃ 四、水的饱和蒸汽压曲线

水的饱和蒸汽压与温度对应表

水的饱和蒸汽压与温度对应表蒸气压蒸气压指的是在液体（或者固体）的表面存在着该物质的蒸气，这些蒸气对液体表面产生的压强就是该液体的蒸气压。比如，水的表面就有水蒸气压，当水的蒸气压达到水面上的气体总压的时候，水就沸腾。我们通常看到水烧开，就是在100摄氏度时水的蒸气压等于一个大气压。蒸气压随温度变化而变化，温度越高，蒸气压越大，当然还和液体种类有关。一定的温度下，与同种物质的液态(或固态)处于平衡状态的蒸气所产生的压强叫饱和蒸气压，它随温度升高而增加。如：放在杯子里的水，会因不断蒸发变得愈来愈少。如果把纯水放在一个密闭的容器里，并抽走上方的空气。当水不断蒸发时，水面上方气相的压力，即水的蒸气所具有的压力就不断增加。但是，当温度一定时，气相压力最终将稳定在一个固定的数值上，这时的气相压力称为水在该温度下的饱和蒸气压力。当气相压力的数值达到饱和蒸气压力的数值时，液相的水分子仍然不断地气化，气相的水分子也不断地冷凝成液体，只是由于水的气化速度等于水蒸气的冷凝速度，液体量才没有减少，气体量也没有增加，液体和气体达到平衡状态。所以，液态纯物质蒸气所具有的压力为其饱和蒸气压力时，气液两相即达到了相平衡。饱和蒸气压是物质的一个重要性质，它的大小取决于物质的本性和温度。饱和蒸气压越大，表示该物质越容易挥

发。当气液或气固两相平衡时，气相中A物质的气压，就为液相或固相中A物质的饱和蒸气压，简称蒸气压。下面为影响因素： 1.对于放在真空容器中的液体，由于蒸发，液体分子不断进入气相，使气相压力变大，当两相平衡时气相压强就为该液体饱和蒸汽压，其也等于液相的外压；温度升高，液体分子能量更高，更易脱离液体的束缚进入气相，使饱和蒸气压变大。 2.但是一般液体都暴露在空气中，液相外压=蒸气压力+空气压力=101.325KPa），并假设空气不溶于这种液体，一般情况由于外压的增加，蒸气压变大（不过影响比较小） 3.一般讨论的蒸气压都为大量液体的蒸气压，但是当液体变为很小的液滴是，且液滴尺寸越小，由于表面张力而产生附加压力越大，而使蒸气压变高（这也是形成过热液体，过饱和溶液等亚稳态体系的原因）。所以蒸气压与温度，压力，物质特性，在表面化学中液面的曲率也有影响. 不同物质的蒸气压不同，下面总结给出水在不同温度下的饱和蒸气压：

饱和蒸汽密度表

饱和蒸汽密度表表中压力为绝对压力，密度单位为kg/m3 温度(t)℃压力(P)MPa密度(ρ)温度(t)℃压力(P)MPa密度(ρ) 1000.10130.59771280.2543 1.415 1010.10500.61801290.2621 1.455 1020.10880.63881300.2701 1.497 1030.11270.66011310.2783 1.539 1040.11670.68211320.2867 1.583 1050.12080.70461330.2953 1.627 1060.12500.72771340.3041 1.672 1070.12940.75151350.3130 1.719 1080.13390.77581360.3222 1.766 1090.13850.80081370.3317 1.815 1100.14330.82651380.3414 1.864 1110.14810.85281390.3513 1.915 1120.15320.87981400.3614 1.967 1130.15830.90751410.3718 2.019 1140.16360.93591420.3823 2.073 1150.16910.96501430.3931 2.129 1160.17460.99481440.4042 2.185 1170.1804 1.0251450.4155 2.242 1180.1863 1.0571460.4271 2.301 1190.1923 1.0891470.4389 2.361 1200.1985 1.1221480.4510 2.422 1210.2049 1.1551490.4633 2.484 1220.2114 1.1901500.4760 2.548 1230.2182 1.2251510.4888 2.613 1240.2250 1.2611520.5021 2.679 1250.2321 1.2981530.5155 2.747 1260.2393 1.3361540.5292 2.816 1270.2467 1.3751550.5433 2.886 1560.5577 2.958184 1.0983 5.629 1570.5723 3.032185 1.1233 5.752 1580.5872 3.106186 1.1487 5.877 1590.6025 3.182187 1.1746 6.003 1600.6181 3.260188 1.2010 6.131 1610.6339 3.339189 1.2278 6.264 1620.6502 3.420190 1.2551 6.397 1630.6666 3.502191 1.2829 6.553 1640.6835 3.586192 1.3111 6.671 1650.7008 3.671193 1.3397 6.812

饱和蒸汽温度与压力对照表

饱和蒸汽温度压力对照表问题：饱和蒸汽温度与压力对照表说明：

蒸汽是常用的换热介质，而温度控制是通过一定压力下的流量调节来实现的，希望大家建立一个基本的概念。在热交热器或者其它需要蒸汽阀门的地方，大家在选型时经常会用到。现将饱和蒸汽的温度与压力对照表整理，供大家参考！

可以说对的,10公斤绝对大气压对应的饱和蒸汽温度就是179度,楼上的说的184度是10公斤表压(也就是压力表上指示的压力;压力表是从0开始记数的,而大气本身就有1公斤的压力，绝对大气压=表压+1),184度是11公斤绝对大气压下的饱和蒸汽对应温度。这里都强调“饱和蒸汽”，因为还有“过热蒸汽”，过热蒸汽的温度是不于压力成对应关系的。 Antoine公式: ln(P)=9.3876-3826.36/(T-45.47)【T在290～500K之间】 P：MPa T：K 我用这个公式算出来是T=452.77K 约179度. 不知道对不对?请高手指教! 《饱和蒸汽压力、温度对照表》制硝2008-05-24 10:53:57 阅读16207 评论10 字号：大中小订阅

加热室温度差=壳层压力(真空度)相应温度-加热室料液温度蒸汽过热度=蒸汽温度-饱和蒸汽压力相应温度压力单位非常的多,如果要全部写出来……呵呵,我还做不到，我至今也没都认识全,不过有很多很少使用。主要还是学习国际单位和几个常用单位就可以了。常用压力单位有：帕斯卡N/m2（Pa）千帕(kPa) 兆帕(MPa) 巴（bar）毫巴（mbar）微巴（μbar）标准大气压（atm）磅力/英寸^2 lb/inch2（psi) 工程大气压(kgf/cm2) 托（Torr）=毫米汞柱（mmHg）英寸汞柱（inchHg）毫米水柱（mmH2O）达因/厘米2（dyn/cm2）换算关系： 1兆帕(MPa)＝1000000帕(Pa) 1巴(bar)＝1000毫巴(mbar) 1毫巴(mbar)＝1000微巴(μbar)＝1000达因/厘米2(dyn/cm2) 1托(Torr)＝1毫米汞柱(mmHg)＝133.329帕(Pa) 1工程大气压＝1千克力/厘米2(kgf/cm2) 1物理大气压＝1标准大气压(atm)

饱和蒸汽焓值表

（单位：密度ρ为kg/m3，压力P为MPa，温度t为℃）温度t 0 1 2 3 4 ℃ 压力P 密度ρ压力P 密度ρ压力P 密度ρ压力P 密度ρ压力P 密度ρ 100 0.1013 0.5977 0.1050 0.6180 0.1088 0.6388 0.1127 0.6601 0.1167 0.6952 110 0.1433 0.8265 0.1481 0.8528 0.1532 0.8198 0.1583 0.9075 0.1636 0.9359 120 0.1985 1.122 0.2049 1.155 0.2114 1.190 0.2182 1.225 0.2250 1.261 130 0.2701 1.497 0.2783 1.539 0.2867 1.583 0.2953 1.627 0.3041 1.672 140 0.3614 1.967 0.3718 2.019 0.3823 2.073 0.3931 2.129 0.4042 2.185 150 0.4760 2.548 0.4888 2.613 0.5021 2.679 0.5155 2.747 0.5292 2.816 160 0.6181 3.260 0.6339 3.339 0.6502 3.420 0.6666 3.502 0.6835 3.586 170 0.7920 4.123 0.8114 4.218 0.8310 4.316 0.8511 4.415 0.8716 4.515 180 1.0027 5.160 1.0259 5.274 1.0496 5.391 1.0737 5.509 1.0983 5.629 190 1.2551 6.397 1.2829 6.532 1.3111 6.671 1.3397 6.812 1.3690 6.955 200 1.5548 7.864 1.5876 8.025 1.6210 8.188 1.6548 8.354 1.6892 8.522 210 1.9077 9.593 1.9462 9.782 1.9852 9.974 2.0248 10.17 2.0650 10.37 220 2.3198 11.62 2.3645 11.84 2.4098 12.07 2.4559 12.30 2.5026 12.53 230 2.7975 14.00 2.8491 14.25 2.9010 14.52 2.9546 14.78 3.0085 15.05 240 3.3477 16.76 3.4070 17.06 3.4670 17.37 3.5279 17.68 3.5897 17.99 温度t 5 6 7 8 9 ℃ 压力P 密度ρ压力P 密度ρ压力P 密度ρ压力P 密度ρ压力 P 密度ρ 100 0.1208 0.7105 0.1250 0.7277 0.1294 0.7515 0.1339 0.7758 0.1385 0.8008

水的饱和蒸汽压和温度对应表

水的饱和蒸汽压和温度对应表来源: 发布时间: 2011-08-18 08:33 3392 次浏览大小: 16px14px12px 温度(Temperature) 饱和蒸气压(Saturated water vapor pressure) 温度(Temperature) 饱和蒸气压(Saturated water vapor pressure) 温度(Temperatu 温度(Temperatu re) 饱和蒸气压 (Saturated water vapor pressure) 温度 (Temperature) 饱和蒸气压 (Saturated water vapor pressure) 温度 (Temperatu re) 饱和蒸气压(Saturated water vapor pressure) t/℃ /(×10^3 Pa)t/℃ /(×10^3 Pa)t/℃ /(×10^3 Pa) 00.61129125232.012503973.6 10.65716126239.242514041.2 20.70605127246.662524109.6 30.75813128254.252534178.9 40.81359129262.042544249.1 50.8726130270.022554320.2 60.93537131278.22564392.2 7 1.0021132286.572574465.1 8 1.073133295.152584539 9 1.1482134303.932594613.7 10 1.2281135312.932604689.4 11 1.3129136322.142614766.1 12 1.4027137331.572624843.7 13 1.4979138341.222634922.3 14 1.5988139351.092645001.8 15 1.7056140361.192655082.3 16 1.8185141371.532665163.8 17 1.938142382.112675246.3

饱和水蒸气焓值表

压力温度汽化潜热 p tγ Mpa℃m3/kg m3/kg kJ/kg kJ/kg kJ/kg kJ/(kg·K）kJ/（kg·K）0.001 6.94910.0010001129.18529.212513.292484.10.10568.9735 0.00217.54030.001001467.00873.582532.712459.10.26118.722 0.00324.11420.001002845.666101.072544.682443.60.35468.5758 0.00428.95330.001004134.796121.32553.452432.20.42218.4725 0.00532.87930.001005328.101137.722560.552422.80.47618.393 0.00636.16630.001006523.738151.472566.4824150.52088.3283 0.00738.99670.001007520.528163.312571.562408.30.55898.2737 0.00841.50750,0010085 18.102173.812576.062402.30.59248.2266 0.00943.79010.001009416.204183.362580.152396.80.62268.1854 0.0145.79880.001010314.673191.762583.7223920.6498.1481 0.01553.97050.00101410.022225.932598.212372.30.75488.0065 0.0260.0650.00101727.6497251.432608.92357.50.8327.9068 0.02564.97260.0010198 6.2047271.962617.432345.50.89327.8298 0.0369.10410.0010222 5.2296289.262624.562335.30.9447.7671 0.0475.8720.0010264 3.9939317.612636.12318.5 1.0267.6688 0.0581.33880.0010299 3.2409340.552645.312304.8 1.09127.5928 0.0685.94960.0010331 2.7324359.912652.972293.1 1.14547.531 0.0789.95560.0010359 2.3654376.752659.552282.8 1.19217.4789 p tγ Mpa℃m3/kg m3/kg kJ/kg kJ/kg kJ/kg kJ/(kg·K）kJ/（kg·K）0.0893.51070.0010385 2.0876391.712665.332273.6 1.2337.4339 0.0996.71210.0010409 1.8698405.22670.482265.3 1.26967.3943 0.199.6340.0010432 1.6943417.522675.142257.6 1.30287.3589 0.12104.810.0010473 1.4287439.372683-26 2243.9 1.36097.2978 0.14109.3180.001051 1.2368458.442690.222231.8 1.4117.2462 0.16113.3260.0010544 1.09159475.422696.292220.9 1.45527.2016 0.18116.9410.00105760.97767490.762701.692210.9 1.49467.1623 0.2120.240.00106050.88585504.782706.532201.7 1.53037.1272 0.25127.4440.00106720.71879535.472716-83 2181.4 1.60757.0528 0.3133.5560.00107320.60587561.582725.262163.7 1.6721 6.9921 0.35138.8910.00107860.52427584.452732.372147.9 1.7278 6.9407 0.4143.6420.00108350.46246604.872738.492133.6 1.7769 6.8961 0.5151.8670.00109250.37486640.352748.592108.2 1.861 6.8214 0.6158.8630.00110060.31563670.672756.662086 1.9315 6.76 0.7164.9830.00110790.27281697.322763.292066 1.9925 6.7079 0.8170.4440.00111480.24037721.22768.862047.7 2.0464 6.6625 0.9175.3890.00112120.21491742.92773.592030.7 2.0948 6.6222 1179.9160.00112720.19438762.842777.672014.8 2.1388 6.5859饱和水和饱和水蒸气热力性质表(按压力排列) 比熵比焓比体积

饱和蒸汽温度与压力对照表

饱和蒸汽温度与压力对照表附图1：饱和蒸汽压力温度对照表压力温度压力温度压力温度压力温度MPa ℃MPa ℃MPa ℃MPa ℃ 0.0010 0.0015 0.0020 0.0025 0.0030 6.9491 12.9751 17.5403 21.1012 24.1142 0.30 0.31 0.32 0.33 0.34 133.556 134.677 135.770 136.836 137.876 2.50 2.55 2.60 2.65 2.70 223.990 225.046 226.085 227.110 228.120 9.5 9.6 9.7 9.8 9.9 307.289 308.050 308.806 309.556 310.299 0.0035 0.0040 0.0045 0.0050 0.0055 26.6707 28.9533 31.0533 32.8793 34.6141 0.35 0.36 0.37 0.38 0.39 138.891 139.885 140.855 141.803 142.732 2.75 2.80 2.85 2.90 2.95 229.115 230.096 231.065 232.020 232.962 10.0 10.2 10.4 10.6 10.8 311.037 312.496 313.933 315.348 316.743 0.0060 0.0065 0.0070 0.0075 0.0080 36.1663 37.6271 38.9967 40.2749 41.5075 0.40 0.41 0.42 0.43 0.44 143.642 144.535 145.411 146.269 147.112 3.0 3.1 3.2 3.3 3.4 233.893 235.718 237.499 239.238 240.936 11.0 11.2 11.4 11.6 11.8 318.118 319.474 320.811 322.130 323.431 0.0085 0.0090 0.0095 0.010 0.011 42.6488 43.7901 44.8173 45.7988 47.6934 0.45 0.46 0.47 0.48 0.49 147.933 148.751 149.550 150.336 151.108 3.5 3.6 3.7 3.8 3.9 242.597 244.222 245.812 247.370 248.897 12.0 12.2 12.4 12.6 12.8 324.715 325.983 327.234 328.469 329.689 0.012 0.013 0.014 0.015 0.016 49.4281 51.0488 52.5553 53.9705 55.3401 0.50 0.52 0.54 0.56 0.58 151.867 153.350 154.788 156.185 157.543 4.0 4.1 4.2 4.3 4.4 250.394 251.862 253.304 254.719 256.110 13.0 13.2 13.4 13.6 13.8 330.894 332.084 333.260 334.422 335.571 0.017 0.018 0.019 0.020 0.021 56.5955 57.8053 58.9694 60.0650 61.1378 0.60 0.62 0.64 0.66 0.68 158.863 160.148 161.402 162.625 163.817 4.5 4.6 4.7 4.8 4.9 257.447 258.820 260.141 261.441 262.721 14.0 14.2 14.4 14.6 14.8 336.707 337.829 338.939 340.037 341.122 0.022 0.023 0.024 0.025 0.026 62.1422 63.1237 64.0596 64.9726 65.8628 0.70 0.72 0.74 0.76 0.78 164.983 166.123 167.237 168.328 169.397 5.0 5.1 5.2 5.3 5.4 263.980 265.221 266.443 267.648 268.835 15.0 15.2 15.4 15.6 15.8 342.196 343.258 344.309 345.349 346.378

蒸汽和饱和蒸汽热焓表

热焓表（饱和蒸汽或过热蒸汽）1、饱和蒸汽压力- 焓表（按压力排列）

2、饱和蒸汽温度－焓表（按温度排列）

3、过热蒸汽温度、压力－焓表(一) 4、过热蒸汽温度、压力－焓表(二)

1吨280度的1MPa的过热蒸汽热焓为 1吨280度的1MPa的过热蒸汽折合3008300/29307600=0.1026吨标煤 1度电=404g标煤大型电厂折合390g标煤 1吨标煤减排二氧化碳2.4567（t-CO2/tce） 1度电折合二氧化碳：2.4567*404g=992.5g 1度(千瓦时)= 3600000焦耳，而标准煤的定义是：凡能产生29.27MJ的热量（低位）的任何数量的燃料折合为1kg标准煤。这样就可以算出来理论上（即能量完全转化的情况下）一千克标准煤可以发多少电了。

不过，实际上因为不可能完全转化，所以肯定会低于理论值。国家发改委提供的数据是火电厂平均每千瓦时供电煤耗由2000年的392g标准煤降到360g标准煤,2020年达到320g标准煤。即一千克标准煤可以发三千瓦时的电。按2009年全国发电标煤消耗342克/度计算： 1、反应式：C + O2 = CO2 2、条件：标煤碳元素含量85％（重量）；C分子量12；CO2分子量44；理想气体常数22.4升/摩尔。则每发一度电产生的二氧化碳为：342克×0.85/12×44＝1065.9克 1万立方的水如何折成吨标煤？悬赏分：50 - 解决时间：2009-8-31 18:39 问题补充：急用！我只要水的折算方法！提问者：mapla - 二级最佳答案各类能源折算标准煤的参考系数能源名称平均低位发热量折标准煤系数原煤20934千焦／公斤0．7143公斤标煤／公斤洗精煤26377千焦／公斤0．9000公斤标煤／公斤其他洗煤8374 千焦／公斤0．2850公斤标煤／公斤焦炭28470千焦／公斤0．9714公斤标煤／公斤原油41868千焦／公斤1．4286公斤标煤／公斤燃料油41868千焦／公斤1．4286公斤标煤／公斤汽油43124千焦／公斤1．4714公斤标煤／公斤煤油43124千焦／公斤1．4714公斤标煤／公斤柴油42705千焦／公斤1．4571公斤标煤／公斤液化石油气47472千焦／公斤1．7143公斤标煤／公斤炼厂干气46055千焦/ 公斤1．5714公斤标煤／公斤天然气35588千焦/立方米12．143吨/万立方米焦炉煤气16746千焦/立方米5．714吨/万立方米其他煤气3．5701吨/万立方米热力0.03412吨／百万千焦电力3．27吨/万千瓦时 1、热力其计算方法是根据锅炉出口蒸汽和热水的温度压力在焓熵图(表)内查得每千克的热焓减去给水(或回水)热焓，乘上锅炉实际产出的蒸汽或热水数量(流量表读出)计算。如果有些企业没有配齐蒸汽或热水的流量表，如没有焓熵图(表)，则可参下列方法估算： (1)报告期内锅炉的给水量减排污等损失量，作为蒸汽或热水的产量。 (2)热水在闭路循环供应的情况下，每千克热焓按20千卡计算，如在开路供应时，则每千克热焓按70千卡计算(均系考虑出口温度90℃，回水温度20℃)。