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Wuhan Qiaoxin Refrigeration Equipment CO., LTD
Wuhan Qiaoxin Refrigeration Equipment Co., Ltd. Shell and Tube Heat Exchanger Expert
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Red Copper Tube Tubular Heat Exchanger , Double System Water Cooled Condenser

Wuhan Qiaoxin Refrigeration Equipment CO., LTD
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Wuhan Qiaoxin Refrigeration Equipment CO., LTD
City: Wuhan
Province/State: Hubei
Country/Region: China
Tel: 86-27-8337-2526

Red Copper Tube Tubular Heat Exchanger , Double System Water Cooled Condenser

Brand Name : GREEFOUN
Model Number : QXE155
Certification : CE
Place of Origin : CHINA
MOQ : 1piece
Payment Terms : T/T, L/C, Western Union
Supply Ability : 100000pieces/year
Delivery Time : within 15days
Packaging Details : Standard export package
Refrigerant : R22/R134a/R407C/R410A
Refrigerating medium : tap/underground/river/sea water, brine, glycol/sulfate solution
Shell material : seamless/304,316Lstainless steel pipe
Cooling capacity : 18KW~4000KW
System : Double system
Heat exchange tube : red copper tube
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Tubular Heat Exchanger


Dry Type Spiral Baffle Plate Water - Cooled Evaporator


Dry shell and tube evaporator is widely used in refrigeration and air conditioning industry, which has the

advantage of low refrigerant charging, high stability of the unit operation, the disadvantage is that the

heat transfer coefficient is low.

Some studies have shown that the distribution of refrigerant in the distribution of each tube is one of the

main reasons affecting its heat transfer performance, and domestic and foreign research for dry shell and

tube heat exchanger mostly concentrated in the water side, for the tube side refrigerant The distribution of

research less.

Therefore, in order to improve the overall energy efficiency and economy of the refrigeration unit, it is

necessary to develop a pipetting device having a good liquid separation function by seeking the

distribution mechanism of the tube side refrigerant.

Dry evaporators can be made of bare tubes, but also with longitudinal fins of the finned tube made of

straight tube or u-shaped tube structure, but their overall structure is basically the same.

The advantage of the dry evaporator is that the amount of the refrigerant is small; when the temperature

is controlled by the temperature relay, it is sensitive to the load change, the liquid supply is accurate; the

refrigerant flow rate is quick and the oil return is good; the refrigerant is flowing outside the pipe, Flow

resistance loss is small; water for the refrigerant, the water in the tube outside the constant mixing, rarely

icing phenomenon.

This evaporator when the aluminum core with the fin tube, the heat transfer coefficient of up to 1000 ~

1200kcal / m2h ℃; with a small diameter dense tube, the heat transfer coefficient of up to 900 ~ 1000kcal

/ m2h ℃.


DRY TYPE TUBE HEAT EXCHANGER EVAPORATOR (DOUBLE MACHINE)


CAPACITY: 120KW TO 310KW

ModelsQXU120D8QXU135D8QXU155D8QXU185D10QXU220D10QXU270D10QXU310D10

Rated data
Refrigerant R22

ti=12°C te=2°C

tu=7°C Dts=5°C

QnKW120135155185220270310
Kcal/h(×103 )103.2116133.3159189232267
Wnm3 /h20.623.226.731.837.846.453.3
Wmm3 /h25283041436568
Dpnbar0.410.440.370.360.430.420.43

ModelsQXU120D8QXU135D8QXU155D8QXU185D10QXU220D10QXU270D10QXU310D10
Dimension(mm)A1815211523152320232026542654
B219219219219273273273
C200200200200234234234
D1530183020302000200022802280
E240240240300300300300
VentS11/21/21/21/21/21/21/2
OutletS21/21/21/21/21/21/21/2
ConnectionW(DN)89898989114114114
D1(mm)22222222353535
D2(mm)42424242545454
P(kg)145155163232255279296

Qn-rated refrigerating capacity Wn-cooling water flow Wm-maximum cooling water flow

Dpn-pressure drop of recirculating cooling water Dts-overheat temperature


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Product Tags:

straight tube heat exchanger

      

dry type evaporator

      
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