制冷系统课件

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Vapor-Compression Refrigeration

expansion

device condenser

compressor

evaporator

w

w

w

.

z

h

u

l

o

n

g

.

c

o

m

A

B

蒸发

制冷循环

龙网w w

w .

z h u

l o

n g

.c

o

A

C compressor enthalpy

evaporator 制冷循环

B

龙网

w w

w .

z h u

l o

n g

.c

o

A

condenser

enthalpy

evaporator 制冷循环

B

C compressor D

龙网

w w

w .

z h u

l o

n g

.c

o

expansion device

A

D

condenser

enthalpy

evaporator

制冷循环

B

C compressor 筑

w w

w .

z h u

l o

n g

.c

o

subcooler

outdoor air

condenser coil

propeller fan

风冷式冷凝器

w w

w .

z h u

l o

n g

.

A

D

enthalpy

B

C

Effect of Effect of Subcooling

A I

{

subcooling

refrigeration

effect D I 筑

龙网w w w .

z h u

l o

n g

.c

o

离心式风扇

centrifugal fan

condenser

coil

w

w

w

.

z

h

u

l

o

n

g

.

c

o

蒸发式冷凝器

sump

pump

condenser

coil

refrigerant

vapor

subcooler

fan

liquid refrigerant

w w

w .

z h u

l o

n g

.c

o m

cooling water

subcooled , liquid refrigerant

subcooler

水冷式冷凝器

C C 筑

w w

w .

z h

u

l o

n

冷却塔

sprays

from condenser

to

condenser

sump

propeller

fan

outdoor

air

2929º

ºC 35

35ººC 筑

w w

w .

z h u

l o

n g

.c

o m

冷凝器控制

enthalpy

full load

condenser heat rejection capacity

part load

full load Condenser Capacity

part load

condenser heat rejection capacity

筑龙网w w

w .

z h u

l o

n g

.c

o

冷凝温度控制

condenser water pump

flow-regulating

valve

condenser

w

w

w

.

z

h

u

l

o

n

g

.

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