ΣΥΜΠΙΕΣΤΕΣ - ΕΙΣΑΓΩΓΗ

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1. ( - , , ) 1.1 , (FREON).

() . ' .

1

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, , . ( = -2C), ( = -35C). , , () , . , , . 1.2 1.2. , . : (open) (semihermetic)

(hermetic)

1.2.-1 (Open Type Compressors) , . , (). . , , - , () .

2

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. , () , . 1.1: , ,

1.2:

,

, () ,

()

,

, ,

3

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(. , ..). , , , , :

.

1.2.-2 (Semi-Hermetic Compressors) , . , ( ). -, , , .

-, . , () . , , , , . , , .

4

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1.3: ,

, . , .

. ( )

, , . . 1.2.-3 (Hermetic Compressors) , (), . ' - , .

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O ( ). . , . , , (). , , . 1.4: ,

. 1.2. , (5) , . : (reciprocating compressors) (rotary compressors)

(centrifugal compressors) (scroll compressors) (screw compressors) 1.5:

- , (10 - 50 kW). ( 10 kW). ( 50 kW). .

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1.2.-1 () (Reciprocating Compressors) . . , 0,1 100 . : 1. 2. () 3. () 4. 5. 6. 7. () 8. () 9. 10.

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1.2.-2 (Rotary Vane Compressor) . , .. , : #1:

1.8:

#1, :

#2:

( )

1.9:

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#2, :

1.6:

1.7:

. , , . 1.2.-2 (Centrifugal Compressors) . , , . , . . . , , . 3.000 R 18.000 R. . - , , . , . .

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() , . - ,

1.11: 2- -

( 20%).

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1.12:

, 700 - 4.000 kW (200 - 1.200 R). 1.8: .

1.9: .

700 kW (200 R )

1.2.-3 (Scroll Compressors) 3- . , , , ( ), . . , , . , , . .

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1.13: (scroll) 1

Scroll . , . , .

2 3 4

- 1 , (2) , . - 2 , ' . , , , ( ) . scroll, , (3)

. - . , 3.000 R. . , .

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.

1.14: 4 (scroll)

1.10:

, , ( )

(10 - 200 kW), R-22 R-134a . 1.2.-4 (Screw Compressors) , . .

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1.15: - (semi-hermetic screw compressors)

. . . :

2

. , , , . 15 . . 1.11:

, ' : , ,

.

,

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, , . R-12, R-22, R-502, R-117 () R-134a ( FR) 350 kW (100 R) .

1.16:

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1.3

1. ; 2. . 3. ; 4. . 5. ; 6. ; 7. ; 8. () ' ;

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