長度單位、壓力單位換算

壓力單位換算

牛頓公斤/

/米厘米2

磅/

2(N/m(kg/cm大氣壓毫米汞柱英寸汞柱英寸水柱

巴英寸2毫米水柱

2)2)(atm)(標(biāo)

(15℃)

準(zhǔn)大氣(0℃)(mm(0℃)(in(15℃)

(bar)(lb/in(mmH20)

或帕或工程壓)①Hg)Hg)(inH20)

2)

斯卡大氣壓

(Pa)(at)

1.021.45

9.869X7.501X2.953X4.018X

110-5X10X100.1021

10-610-310-410-3

-5-4

1.021X

10511.02014.50.9869750.129.53401.8

104

9.807

1.001X

X100.9807114.220.9678735.628.96394.1

104

4

6.8956.8957.031

6.805X7.037X

X10X10X10151.712.03627.7

10-2102

3-2-2

1.013

1.034X

X101.0131.03314.7176029.92407.2

104

5

1.3331.3331.361.934

1.316X3.937X

X10X10X10X10113.610.5357

10-310-2

2-3-3-2

3.3863.3863.453

3.342X3.456X

X10X10X100.491225.4113.61

10-2102

3-2-2

9.7989.9911.421

9.67X7.349X2.893X3.937X

9.798X10X10X101

10-510-210-310-2

-5-5-3

2.4892.4892.5383.609

2.456X7.349X

X10X10X10X101.86725.41

10-310-2

2-3-3-2

1達(dá)因/厘引&2(dyn/cm2)=1巴利(barye)=l微巴(ubar)=10-6巴(bar)

1毫米水柱(mmH20)(4℃)=1公斤/米2(kg/m2)

1毫米汞柱(mmHg)(0℃)=1壬；(Torr)

1斤旁達(dá)/英尺2(pdl/ft2)=1.488牛頓/米2(N/m2)

長度單位

厘米英尺英寸厘米英尺英寸

米(m)米(m)

(cm)(ft)(in)(cm)(ft)(in)

11003.280839.370.304830.48112

0.0110.03280.39370.02542.540.08331

1微米(U)=10-6米；1絲=0.1毫米；1密耳(mil)=10-3英寸；1公

里(km)=2市里；1市里=150市丈=1500市尺；1碼(yd)=3英尺=0.9144

米；1米=3市尺；1浬(國際)(n.mile)=1852米

運(yùn)動粘度單位換算

厘米2/秒

米2/秒(m2米2/時(m2英尺2/秒英尺2/時

(cm2/s)或海

/s)/h)(ft2/s)(ft2/h)

①(St)

110-40.361.076X10-33.875

10413.6X10310.763.875X104

2.7782.778X10-412.99X10-310.76

9299.29X10-23.346X10213.6X103

0.2582.58X10-59.29X10-22.78X10-41

1厘漁(cSt)=10-2海(St)

海是斯托克斯(Stokes)的習(xí)慣稱呼。

導(dǎo)熱系數(shù)單位換算

焦耳/厘英熱單位/英

千卡/米?時?℃卡/厘米?秒?℃瓦/

米?秒?℃尺?時?°F

[kcal/(m?h?[cal/(cm?s?米.K[W/(m

[J/(cm?s?[Btu/(ft?h?

℃)]℃)]-K)]

℃)]°F)]

12.78X10-31.161.16X10-20.672

3601418.74.187242

0.85982.39X10-3110-20.578

85.980.239100157.8

1.494.13X10-31.731.73X10-21

常用單一可燃?xì)怏w的特性

氣完全燃燒需要著火溫

分燃燒生成氣組成及濕、干氣C02發(fā)熱量(kJ/

體密度量(Nm3/Nm理論燃

子/J*量(Nm3/Nm3)最大Nm3)

名(kg/Nm3)燒溫度(在空

式里

稱白里

3,I2濕氣干氣(℃)氣中)

02N2空氣CO2N2(%)QgQd

0里量(℃)

-

氧

化co28.011.2500.51.882.381.01.882.88237061034.712.6412.64

碳

H

氫2.020.0900.51.882.381.01.882.881.88223053012.7710.76

2

甲CH

16.040.7162.07.529.521.02.07.5210.528.52203064511.839.7735.71

烷4

C

乙2

30.071.3423.513.1616.662.03.013.1618.1615.16209753013.269.9963.75

烷H

6

C

丙3

44.091.9685.018.823.803.04.018.825.8021.80211051013.899.1291.25

烷H

8

C

丁4

58.122.5956.524.4430.944.05.024.4433.4428.44211849014.0128.47118.65

烷H

10

C

戊

5

烷72.153.2218.030.0838.085.06.030.0841.0835.08211951014.2157.87146.09

H

12

C

乙2

28.051.2523.011.2814.282.02.011.2815.2813.28228454015.063.0059.06

烯H

4

C

丙

3

烯42.081.8794.516.9221.423.03.016.9222.9219.92222445515.091.8486.02

H

6

C

丁

457.102.5496.022.5628.564.04.022.5630.5626.56220344515.0121.39113.52

烯

H

8

C

戊

5

烯70.133.1317.528.235.705.05.028.238.233.2218915.0150.70140.90

H

10

硫

H

化S02

234.081.5211.55.647.141.05.647.646.64190015.125.7023.69

氫=1.0

S

注：1.氣體密度為計(jì)算值。

2.理論燃燒溫度未考慮空氣中水分的影響。

SRZ型散熱器主要技術(shù)參數(shù)

散熱面熱介質(zhì)通過螺旋翅片管

通風(fēng)凈截面管排數(shù)連按管中

型號積（m截面積（m根數(shù)

積（m2）（排）時

2）2）（根）

SRZ5X5D10.130.154

SRZ5X5Z8.780.155

SRZ5X5X6.230.158

SZR10X5D19.920.3020.00433231(1/2)，

SRZ10X5Z17.260.306

SR10X5X12.220.312

SZR12X5D24.860.378

SZR6X6D15.330.231

SRZ6X6Z13.290.234

SRZ6X6X9.430.239

SRZ10X6D25.130.381

SRZ10X6X21.770.385

0.005532921

SRZ10X6Z15.420.393

SZR12X6D31.350.475

SRZ15X6D37.730.572

SRZ15X6Z32.670.579

SRZ15X6X23.130.591

SRZ7X7D20.310.320

SRZ7X7Z17.600.324

SRZ7X7X12.480.329

SRZ10X7D28.590.4500.00633332'

SRZ10X7Z24.770.456

SRZ10X7X17.550.464

SRZ12X7D35.670.563

SRZ15X7D42.930.678

SRZ15X7Z37.180.685

SRZ15X7X26.320.698

SRZ17X7D49.900.788

SRZ17X7Z43.210.797

SRZ17X7X30.580.812

SRZ22X7D62.750.9910.00633332(1/2),

SRZ15X10D62.140.921

SRZ15X10Z52.950.932

SRZ15X10X37.480.951

SRZ17X10D71.061.0720.00893472(1/2),

SRZ17X10Z61.541.085

SRZ17X10X43.561.106

SRZ20X10D81.271.226

進(jìn)出口氣體溫度與熱效率之間的關(guān)系

出口溫

度，℃

8090100110120130140150160

進(jìn)口溫度，℃

5000.8580.8300.8150.7950.7760.7550.7340.7140.693

4500.8200.7960.7740.7500.7270.7050.6820.659

0.841

4000.7960.7700.7450.7200.6940.6680.6410.616

0.821

3500.7650.7350.7070.6780.6480.6190.5880.559

0.795

3200.7440.7100.6790.6470.6140.5810.5480.516

0.775

3000.7260.6900.6550.6210.5860.5530.5170.483

0.760

2800.7060.6660.6300.5940.5560.5190.4810.445

0.742

2500.6690.6250.5850.5440.5000.4600.4160.376

0.710

2300.6380.5900.5460.5010.4540.4100.3630.318

0.683

2200.6200.5710.5250.4770.4290.3810.3320.286

0.667

2000.5800.5260.4740.4220.3680.3160.262

0.632

1900.5570.5000.4450.3910.3340.279

1800.6120.5320.4720.4130.356

1700.5900.5020.4370.3760.314

1600.5640.4690.4000.334

1500.5350.4310.358

1400.5020.3860.307

1300.4620.3360.250

1200.4180.2740.180

1000.364

0224

物料含固率與消耗能量之間的關(guān)系

漿料含固率進(jìn)料量蒸發(fā)水量干空氣用量輕柴油消耗量每千克產(chǎn)品消耗柴油量

%kg/hkg/hkg/hkg/hkg柴油/kg產(chǎn)品

52000190032300188.11.881

1010009001530089.10.891

15667567963956.10.561

20500400680039.60.396

25400300510029.70.297

30333233396123.10.231

35288188319618.60.186

40250150255014.90.149

45222122207412.10.121

5020010017009.90.099

551828213948.10.081

601676711396.60.066

65154549185.30.053

70143437134.30.043

75133335613.30.033

80125254252.50.025

85118183061.80.018

不同進(jìn)、排風(fēng)溫度的蒸發(fā)量（1kg重油蒸發(fā)20℃的水量,kg）

排風(fēng)溫度8090100110120130140150160170180

（℃）

熱風(fēng)溫度（℃）

50014.013.513.212.812.412.011.611.210.810.510.1

45013.813.312.912.412.011.511.110.710.39.99.5

40013.412.912.412.011.511.010.610.19.69.28.8

35013.012.411.911.410.810.39.89.38.88.37.8

32012.712.111.510.910.39.89.28.68.17.67.0

30012.411.811.110.59.99.38.78.17.67.06.4

28011.811.510.810.19.58.88.27.67.06.45.8

25011.610.910.19.48.77.97.36.55.95.24.5

23011.210.49.58.88.07.26.55.75.04.3

22010.910.19.28.47.66.86.05.24.5

20010.39.48.57.66.75.85.04.1

19010.09.18.17.16.25.34.4

1809.78.77.66.65.7

1709.28.27.16.05.0

1608.87.66.55.4

1508.27.05.8

1407.66.35.0

1306.85.54.0

1206.04.52.9

1104.93.3

1003.7

1kg水在排風(fēng)溫25592575259126062621263626502662267426842694

度下的氣化熱

(kj/kg)

進(jìn)料中固體含量對干燥器操作及燃料消耗的影響

進(jìn)料濃度進(jìn)/出口風(fēng)溫度進(jìn)料量蒸發(fā)量干燥用空氣輕柴油

(%)(℃)(kg/h)(kg/h)(kg/h)(kg/h)

5250/1002,0001,90032,300188.1

10250/1001,00090015,30089.1

15250/1006675679,63956.1

20250/1005004006,80039.6

25250/1004003005,10029.7

30250/1003332333,96123.1

35250/1002881883,19618.6

40250/1002501502,55014.9

45250/1002221222,07412.1

50250/1002001001,7009.9

55250/100182821,3948.1

60250/100167671,1396.6

65250/100154549185.3

70250/100143437314.3

75250/100133335613.3

80250/100125254252.5

85250/100118183061.8

基本參數(shù)：進(jìn)料溫度20℃,周圍環(huán)境溫度20℃,干粉產(chǎn)量:為100kg/h,輕柴油的熱

值為41868kJ/kg

干空氣的物理性質(zhì)(101.33Pa)

溫度t密度P比熱C,導(dǎo)熱系數(shù)人粘度普蘭德數(shù)

X102

(℃)(kg/m3)(kj/kg-r)uX105Pr

(W/m?℃)

(Pa,s)

-501.5841.0132.0351.460.728

-401.5151.0132.1171.520.728

-301.4531.0132.1981.570.723

-201.3951.0092.2791.620.716

-101.3421.0092.3601.670.712

01.2931.0092.4421.720.707

101.2471.0092.5121.770.705

201.2051.0132.5931.810.703

301.1651.0132.6751.860.701

401.1281.0132.7561.910.699

501.0931.0172.8261.960.698

601.0601.0172.8962.010.696

701.0291.0172.9662.060.694

801.0001.0223.0472.110.692

900.9721.0223.1282.150.690

1000.9461.0223.2102.190.688

1200.8981.0263.3382.290.686

1400.8541.0263.4892.370.684

1600.8151.0263.6402.450.682

1800.7791.0343.7802.530.681

2000.7461.0343.9312.600.680

2500.6741.0434.2682.740.677

3000.6151.0474.6052.970.674

3500.5661.0554.9083.140.676

4000.5241.0685.2103.310.678

5000.4561.0725.7453.620.687

6000.4041.0896.2223.910.699

7000.3621.1026.7114.180.706

8000.3291.1147.1764.430.713

9000.3011.1277.6304.670.717

10000.2771.1398.0714.900.719

11000.2571.1528.5025.120.722

12000.2391.1649.1535.350.724

對流干燥蒸發(fā)1kg水需要的空氣量(kg),計(jì)算值

出口溫度°C

708090100110120130140150160

進(jìn)口溫度℃

12055.671.485.5

13041.750.062.5

14037.013.552.666.7

15031.335.743.552.6

16028.632.337.043.452.6

17025.028.632.337.043.5

18023.325.628.632.337.043.4

19021.323.325.628.632.337.0

20019.621.223.325.730.332.337.0

21018.820.022.225.027.831.328.6

22017.518.520.022.223.827.030.333.3

23016.117.218.520.021.723.227.230.3

24015.215.817.518.220.021.723.827.028.5

25014.115.215.917.518.220.021.723.827.0

26013.514.715.616.717.919.220.023.325.028.5

27012.713.314.315.216.417.918.920.022.224.4

28012.213.013.714.715.616.717.919.221.322.7

29011.812.213.313.714.715.616.718.219.221.7

30011.411.812.313.213.715.015.916.918.219.6

31010.711.411.912.713.313.815.215.916.918.2

32010.310.611.411.812.513.313.915.215.916.9

33010.010.410.911.511.912.713.314.115.415.9

3409.59.910.410.911.411.612.713.314.115.2

3508.99.39.810.310.811.411.912.513.313.9

3608.89.29.610.010.511.011.612.212.813.5

3708.68.89.39.710.210.611.011.812.213.1

3808.28.58.89.39.610.210.611.011.612.2

3907.98.18.68.89.29.610.010.611.011.6

4007.78.08.38.78.99.49.710.510.711.0

4107.57.88.18.78.49.19.59.910.410.7

4207.37.57.98.18.48.79.110.110.210.4

4307.07.47.67.98.18.58.89.19.59.9

4406.87.07.37.57.98.18.58.79.19.5

4506.56.86.97.27.57.88.18.48.79.1

4606.46.66.87.17.47.78.08.38.68.9

4706.36.56.76.97.17.47.78.08.38.6

4806.26.46.56.87.07.27.57.98.18.4

4906.06.26.36.56.97.17.37.67.88.2

5005.86.16.26.36.46.87.07.37.58.0

不銹耐酸鋼的特性和用途

類型鋼號主要性能用途舉例

鐵素體鋼加熱時不發(fā)生制作抗水蒸汽、淡水、冷硝

相變，一般不能用熱處理酸、醋酸乙烯、尿素母液、

0Crl3

鐵強(qiáng)化，在氧化性介質(zhì)中有熱的含硫石油等腐蝕介質(zhì)中

良好的耐腐蝕性，同時具的設(shè)備

素

0Crl7的較高的高溫抗氧化性、硝酸工廠設(shè)備（如吸收塔、

良好的熱加工性（其切削硝酸的熱交換器、貯酸槽、

體

0Crl7Ti性是不銹鋼中最好的），桶、輸送管道等）、食品工

缺點(diǎn)是強(qiáng)度低、塑性韌性廠設(shè)備、人造纖維工業(yè)中的

型

lCrl7Ti差、焊接裂紋傾向大，尤容器、管道等

lCrl4S其是含銘較高的鋼在室用作抗大氣腐蝕的易切削

溫、低溫或高溫時脆性較鋼，可作自動機(jī)床上要求有

大，因而使用受到限制光滑表面的零件

制作硝酸濃縮設(shè)備、零件、

lCr28

管道以及發(fā)煙硝酸或磷酸的

容器，也可作次氯酸鈉及磷

lCr25Ti

酸設(shè)備

與醋酸接觸的設(shè)備、化學(xué)纖

lCrl7Mo2Ti

維工業(yè)設(shè)備等

lCrl3碳含量高，淬透性好，一制作抗弱腐蝕介質(zhì)、較高韌

般經(jīng)油淬或空泠后即可性及受沖擊負(fù)荷的零件，如

2Crl3得到馬氏體組織，因而具汽輪機(jī)葉片、水壓機(jī)閥、結(jié)

有較高的強(qiáng)度、硬度和耐構(gòu)架、不銹設(shè)備、襯里、螺

磨性，切削性能良好，是栓、螺帽等

3Crl3不銹鋼中機(jī)械性能最高、

較高硬度及耐磨性的熱油泵

馬切削性能較好的鋼組；同

軸、閥片、閥門、軸承、不

4Crl3時在各種條件下均有磁

銹彈簧、手術(shù)刀片及醫(yī)療器

氏性，消震性優(yōu)良，導(dǎo)熱性

械等零件

3Crl3Mo好，但缺點(diǎn)是耐蝕性較其

體

lCrl7Ni2它類型不銹鋼低，可焊性要求較高強(qiáng)度的耐硝酸及某

差，在370——560℃些有機(jī)酸腐蝕的零件、容器

型

回火溫度范圍內(nèi)有第一和設(shè)備

9Crl8類回火脆性傾向不銹切片機(jī)械韌具、手術(shù)刀

片、高耐磨耐蝕的零件（如

9Crl8MoV滾動軸承）

2Crl3Ni2同lCrl4S,但用于要求較

高強(qiáng)度的零件

!Crl8Ni9這類鋼一般強(qiáng)度不高，且制作耐硝酸、冷磷酸、有機(jī)

不能熱處理強(qiáng)化，無磁酸及鹽、堿溶液腐蝕的設(shè)備

2Crl8Ni9性、塑性、韌性及冷變形,零件以及船舶捽制設(shè)備的低

焊接工藝性能優(yōu)良，但切磁性件

2Crl3Ni4Mn9削性較差。在氧化介質(zhì)

（如硝酸）和某些還原性代替lCrl8Ni9制作有一定

奧

lCrl4Mnl4Ni介質(zhì)（如硫酸、鹽酸、磷耐蝕要求的沖壓件及結(jié)構(gòu)材

酸）以及蟻酸、醋酸、尿料

氏

lCrl8Ni5N素等有機(jī)酸中均有良好

0Crl8Ni9的耐蝕性。同時，高溫強(qiáng)

體

度和高溫抗氧化性也很焊接銀銘鋼用的焊芯

lCrl8NillNb

型好。主要缺點(diǎn)是含貴重合

0Crl8Ni9Ti金元素太多，在含硫氣氛焊芯、抗磁儀表、醫(yī)療器械、

中容易損壞。?般用于耐耐酸容器及設(shè)備襯里，輸送

lCrl8Ni9Ti蝕性要求較高的介質(zhì)中。管道等，有較好的耐晶間腐

蝕性

00Crl8Nil0不含穩(wěn)定化兀素（好

具有良好的耐蝕及晶間腐蝕

Ti、Nb）的鋼種，經(jīng)

00Crl7Nil4Mo2450——850℃間停留性能的微碳不銹耐酸鋼，可

易引起晶間腐蝕，一般經(jīng)用作化學(xué)工業(yè)、化肥工業(yè)及

00Crl7Nil4Mo3固溶處理后使用。含鋁的化纖工業(yè)用重要的耐蝕材料

鋼種在有機(jī)酸和某些還和焊接構(gòu)件

00Crl8Nil4Mo2Cu2原性酸中有更好的耐蝕

0Crl8Nil2Mo2Ti性；含鋁、銅的鋼種在含

硫的介質(zhì)中具有良好的用于制作抗硫酸、亞硫酸、

0Crl8Nil2Mo3Ti耐蝕性磷酸、蟻酸、醋酸、漂白粉、

亞硫酸鹽等腐蝕性介質(zhì)中的

!Crl8Nil2Mo2Ti設(shè)備，有良好的抗晶間腐蝕

性

!Crl8Nil2Mo3Ti

2Crl5Mnl5Ni2N制作低磁性能的零件，具有

良好的低磁穩(wěn)定性

0Crl8Nil8Mo2Cu2Ti抗硫酸、磷酸、鹽酸腐蝕的

設(shè)備，具有良好的耐晶間腐

蝕性

0Cr23Ni28Mo3Cu3Ti抗?jié)庀×蛩峒跋←}酸等強(qiáng)腐

蝕介質(zhì)的設(shè)備

奧0Cr21Ni5Ti屈強(qiáng)比高，耐蝕性與奧氏可作硝酸或硝錢工業(yè)設(shè)備及

體鋼相當(dāng)，在某些有機(jī)管道，尿素液蒸發(fā)部分設(shè)備

氏lCr21Ni5Ti酸、如醋酸、尿素中的耐及管道

lCrl8MnlONi5Mo3N蝕性更為優(yōu)越，比奧氏體對尿素有良好的耐蝕性，可

體鋼有更好的抗點(diǎn)蝕和抗制作尿素腐蝕的設(shè)備以及維

0Crl7Mnl3Mo2N應(yīng)力腐蝕開裂能力，也有尼龍生產(chǎn)和其它化工、化肥

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