魯氏鼓風機簡介與結構概述(1) - hvac-net.org.t · 2 表1...

1

(Gas machinery)()()

(

1 )

9.8196 kPa-9.8-80 kPa 510-2 kPa

(1)

2

1

P15 kPa 15 kPaP200 kPa P200 kPa

1.

( 1 )

()

2.

2

()

3

1

1. 2. 3. 4. 5. 6. 7. 8.

2

1.

()

(1)

()()()()

(2)

2.

4

(1)()

(2)

(3)

(4)

()

3.

0.5800 m3/min 1,400 m3/min -53.398 kPa 196 kPa-80 kPa 156.8 kPa-78.4 kPa 1999 3

1.

s-1 r/min

2.

5

3

A. B. C. D. E. F. G.

(1)

Pa kPa

(2)

sd PPP = kPa (1) Ps (kPa)Pd (kPa)P PsPd

(3)

sd PP /= (2) PsPd

3.

20 101.325 kPa 50% 20 101.325 kPa m3/s m3/min

0 101.325 kPa

6

Nm3/min

4.

W kW

5.

sd ttt = (3) tstd ()

1.

(SI)(Pa) 2 (Torr)1 Torr = 133.322 Pa(1 bf/in2)1 bf/in2 = 6,894.76 Pa(1 bf/ft2)(1 bf/ft2) = 47.8803 Pa

2

(Pa)

(atm)

(kgf/cm2)

(bar)

4(mmH2O)

0 (mmHg)

1 9.8692310-6 1.0197210-5 110-5 1.0197210-1 7.5006210-3 1.01325105 1 1.03323 1.01325 1.03323104 7.60102 9.80665104 9.6784110-1 1 9.8066510-1 1104 7.35559102

1105 9.8692310-1 1.0972 1 1.0972104 7.50062102 9.80665 9.6784110-5 110-4 9.8066510-5 1 7.3555910-2

1.33322102 1.3157910-3 1.3595110-3 1.3332210-3 1.3595110 1

2.

SI (m3/s)(m3/min)(l/s)(ft3/s)(in3/h)

1 m3/s = 60 m3/min = 1,000 l/s1 ft3/s = 0.0283168 m3/s1 in3/h= 4.5519610-6 l/s

3.

SI (W)(kW)(kgf.m/s)( chCV PS)(hp)(ft.1bf/s) 3

4.

()(K) K

1= 1K

7

T = t +273.15 T = t +273K

t ()T (K)

3

kW ./kgf.m/s ch hp ./ft.1bf/s 1 1.019716102 1.35962 1.34102 7.37562102

9.8066510-3 1 1.3333310-2 1.31510-2 7.23301 7.3549910-1 7.510 1 9.863210-1 5.42476102 7.457010-1 7.6040210 1.01387 1 5.50102 1.3558210-3 1.3825510-1 1.8434010-3 1.8181810-3 1

1.

40 100 mg/m3

2.

(1) 10 15,000 h 25,000 h GB 10095 7

(2)()4

4

m3/min % % 0.5

0.51.5 1.515 15

7 6 5 4

8 7 6 5

(3)() 11.2 mm/s

(4) 95 65

3.

(1) G 6.3

(2)

(3) 1.5 1530 min

(4)

8

1. 1854 (Francis Philander Roots) 1867 () 1951 19601970 1.

2. D SD

1980 L

1987 () R RK RN TS TRRV RW TRW

1990 20 SR WR JR JS RCT RVT

1990~1998 1 ( 4)

2.

(1)

(2)

(3)

(4)

9

4

(CFD)

SRE-200 5 () 5

1.

2.

10

3.

6

7

4.

11

5.

6.

(A) (B) (C)

6

11

5 SRE-200

()O

12

5 SRE-200

1

2

3

4

5

6

7

8

9

10

11

12

13

14

HT250

45

45

HT250

45

HT250

HT250

Q235-A

Q235-A

15

16

17

18

19

20

21

22

23

24

25

26

27

28

45

I-2

Q235-A

HT250

20CrMo

20CrMo

45

Q235-A

Q235-A

45

HT250

29

30

31

32

33

34

35

36

37

38

39

40

41

O

O

O

HT200

I-2

HT250

Q235-A

45

I-2

HT200

I-2

HT200

(A) (B) (C)

7