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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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Dry Expansion Type Tube Heat Exchanger Seamless Steel Pipe Shell

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

Dry Expansion Type Tube Heat Exchanger Seamless Steel Pipe Shell

Brand Name : GREEFOUN
Model Number : QXE75
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 : R407C
Refrigerating medium : Methyl alcohol
Shell material : seamless steel pipe
Cooling capacity : 18KW~4000KW
System : Triple system
Heat exchange tube : Copper tube
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Dry Expansion Type Tube Heat Exchanger


Seamless Steel Pipe Shell



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 ℃.


The spiral baffle plate evaporator is the latest product designed and made by Qiaoxin and has obtained


the national technical patents, which can save 20% in copper consumption and 30% in ferrous metals,


reach the total energy saving rate 30% after test and satisfy the national economic policy of industrial


upgrading, saving energy and reducing consumption and environmental protection.


STRAIGHT SINGLE SERIES DRY SPIRAL BAFFLE PLATE EVAPORATOR


CAPACITY: 310KW TO 680KW


ModelsRE310S10RE360S12RE420S12RE470S12RE540S14RE620S14RE680S14

Rated data

Refrigerant R22

ti=12°C te=2°C

tu=7°C Dts=5°C

QnKW310360420470540620680

Kcal/h

(×103 )

267317361404464533585
Wnm3 /h53.36272.280.893107116
Wmm3 /h687081.7100105140145
Dpnbar0.430.430.350.460.410.470.49

ModelsRE310S10RE360S12RE420S12RE470S12RE540S14RE620S14RE680S14
Dimension(mm)A140140150150150170170
B273273325325355377377
C2500169024001500269026902860
D360360406406440460460
E370370380380400400400
F2586258624882586277627762946
VentS11/21/21/21/21/21/21/2
OutletS21/21/21/21/21/21/21/2
ConnectionW(DN)100100125125125150150
D1(mm)35354242424242
D2(mm)67678080909090
P(kg)296380398442459654669

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

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


FULL LIQUID TYPE EVAPORATOR AND CONDENSER EXTERNAL OIL


(SINGLE CIRCUIT) CAPACITY: 700KW TO 1800KW


ModelsQX-700MQX-820MQX-950MQX-1100QX-1300QX-1500QX-1800M
Refrigerant R22 (or other environmental refrigerants)Refrigerating capacity (KW)7008209501100130015001800
Heating capacity (KW)81095011201350162518752250
Wam3/h121141.5164190224258.5310
Wbm3/h151177205237280323387
Dpnbar0.630.650.680.720.760.790.86

ModelsQX-700MQX-820MQX-950MQX-1100MQX-1300MQX-1500MQX-1800M
Dimension(mm)A2710271027102710271028503050
A1500500550550550550550
A2400400450450450450450
L12860286028602860286030003200
B1420142015801580167016701670
B1740740820820860860860
C192092010031003105310531053
C292092010031003105310531053
D1480480566566616616616
D2530530616616666666666
H1350350420420420420420
H2280280380380420420420

Inlet/Outlet (diameter)

Connection

a/b(DN)200200250250250250250
c1-2 (mm)42424242545454
d1(mm)92105105105105105105
d2(mm)80808092929292
Corresponding external oilVolume (L)85100110160200240300
WeightP (KG)1360158017901930227024802660

Notes: Wa water flow capacity of evaporator Wb water flow capacity of condenser Dpn circulating cooling water

Refrigerating work position: evaporating temperature 5°C, condensing temperature 34°C, chilled water inlet temperature 12°C and outlet 7°C, cooling water inlet temperature 18°C and outlet 29°C

Heating work position: evaporating temperature 4.5°C, condensing temperature 50°C, hot water inlet temperature 40°C and 45°C, heat source water inlet temperature 16°C and 7°C.


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