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Shaoxing Donglong Refrigeration Air Conditioning

Contact person: 

Mr. Luo 139-0585-2840    

Mr. zhang138-5842-2119

Telephone:0575-8218 9677    8260 5100

Facsimile:0575-8218 9699

Web site:http://www.sydolo.com

E-mail:zj330622@163.com

Postcode:312300

Web site:www.sydolo.com

Address:Dongshan Road, Economic Development Zone, Shangyu District, Shaoxing City, Zhejiang Province

台州Evaporative condenser

  • description

DLX evaporative condenser is a new energy-saving environmentally friendly condenser that has been successfully developed on the basis of fully absorbing domestic foreign heat exchange technology updating improving.


It is used in the fields of chemical, pharmaceutical, industrial refrigeration low-temperature processing of beer, beverages, food, cold storage, building air conditioning.


DLX evaporative condenser uses water air as the cooling medium to exchange heat with the high-temperature gaseous refrigerant in the coil to condense the high-temperature gaseous refrigerant into a liquid state. The cooling water is pumped to the upper part of the condensing coil by the circulating water, sprayed on the outer surface of the condensing tube group through nozzles, forms a thin water film to flow downwards. At the same time, under the action of the fan, the inside of the condenser becomes negative pressure to accelerate the surface of the coil The evaporation of water in the water film absorbs a large amount of heat to condense the high-temperature, high-pressure refrigerant gas in the tube into a liquid. The fan discharges the evaporated hot humid gas into the atmosphere, the tiny water droplets in the hot humid gas are discharged into the collecting pool through the high-efficiency water collector. The high-temperature cooling water that has been evaporated flows into the packing layer the incoming air performs heat exchange, turning into low-temperature cooling The water is re-introduced into the spray water pipe by the circulating water pump to circulate.


DLX standard series evaporative condenser


model


Nominal heat rejection

KW

Axial Fan

Circulating pump

NH3

Charge

KG

weight

Number of units

Air volume

/h

power

KW

flow

/h

power

KW

net weight

KG

run

KG

DLX-375

375

1

60000

4

45

1.5

32

3785

4835

DLX-430

430

1

60000

4

45

1.5

40

3990

5040

DLX-475

475

1

60000

4

45

1.5

48

4225

5275

DLX-495

495

1

65000

5.5

45

1.5

48

4305

5355

DLX-525

525

1

75000

5.5

65

2.2

49

4400

5670

DLX-550

550

1

62000

4

65

2.2

61

4800

6070

DLX-595

595

1

75000

5.5

65

2.2

61

4895

6165

DLX-670

670

1

75000

5.5

65

2.2

73

5240

6510

DLX-700

700

1

75000

5.5

65

2.2

73

5750

7375

DLX-735

735

1

87000

7.5

65

2.2

73

5850

7460

DLX-870

870

2

2×60000

2×4

100

3

81

6655

8755

DLX-900

900

2

2×65000

2×5.5

100

3

81

6830

8930

DLX-960

960

2

2×60000

2×4

100

3

97

7120

9220

DLX-1000

1000

2

2×65000

2×5.5

100

3

97

7310

9410

DLX-1050

1050

2

2×72000

2×7.5

100

3

97

7390

9490

DLX-1165

1165

2

2×62000

2×4

130

4

124

8065

11285

DLX-1285

1285

2

2×75000

2×5.5

130

4

124

8220

11440

DLX-1335

1335

2

2×87000

2×7.5

130

4

124

8400

11620

DLX-1420

1420

2

2×75000

2×5.5

130

4

149

8875

12095

DLX-1490

1490

2

2×87000

2×7.5

130

4

149

9050

12270

DLX-1575

1575

3

3×60000

3×4

130

4

164

9350

12500

DLX-1620

1620

3

3×65000

3×5.5

130

4

164

9600

12750

DLX-1690

1690

3

3×72000

3×7.5

130

4

164

9765

12920

DLX-1710

1710

3

3×75000

3×5.5

170

5.5

170

10420

14560

DLX-1765

1765

3

3×87000

3×7.5

170

5.5

170

10640

14780

DLX-1935

1935

3

3×75000

3×5.5

170

5.5

186

11600

15740

DLX-2010

2010

3

3×87000

3×7.5

170

5.5

186

11820

15960

DLX-2140

2140

3

3×75000

3×5.5

170

5.5

224

12540

16680

DLX-2245

2245

3

3×87000

3×7.5

170

5.5

224

12780

16920

 

Specifications technical parameters

Selection method guidance


(1) Confirm use conditions: condensing temperature, wet bulb temperature.


(2) Calculate the total heat output of the system.


(3) Check Table 3 Table 4, the heat rejection correction coefficient.


(4) The total heat output multiplied by the correction coefficient is the condensing load under operating conditions.


(5) Check the selection of Table 1 Table 2, the selected heat output is less than the corrected heat output data.

 

Selection example

(1) Conditions of use: condensing temperature 36℃, bulb temperature 28℃.


(2) The total heat output of the ammonia refrigeration system is 900KW. (Compressor refrigeration + compressor shaft power = total heat rejection)


(3) Check Table 3, the correction coefficient of heat rejection is 1.22.


(4) Calculate the actual load of the condenser 900KW×1.22=1098KW.


(5) Check Table 1 Table 2, DLX-1165 DLX-1155A evaporative condenser, its heat output is more than 1098KW.

 

R717 calorific value correction coefficient table                                                  table 3

Condensation temperature(℃)

Air inlet wet bulb temperature(℃)

10

12

14

16

17

18

19

20

21

22

23

24

25

26

27

28

29

29

0.72

0.78

0.86

0.96

1.01

1.09

1.18

1.30

1.43

1.60

1.84

2.16

2.66

--

--

--

--

30

0.68

0.73

0.81

0.88

0.94

1.00

1.07

1.15

1.27

1.40

1.59

1.79

2.13

--

--

--

--

31

0.64

0.68

0.74

0.82

0.86

0.91

0.97

1.04

1.12

1.22

1.36

1.52

1.74

2.06

--

--

--

32

0.61

0.65

0.69

0.74

0.80

0.84

0.89

0.95

1.02

1.10

1.20

1.34

1.49

1.70

2.02

--

--

33

0.57

0.61

0.65

0.70

0.73

0.78

0.82

0.87

0.92

0.99

1.07

1.16

1.29

1.45

1.66

1.96

--

34

0.55

0.58

0.62

0.66

0.69

0.72

0.76

0.80

0.85

0.90

0.96

1.04

1.14

1.27

1.42

1.63

--

35

0.52

0.54

0.58

0.62

0.64

0.67

0.70

0.73

0.78

0.83

0.88

0.94

1.02

1.11

1.23

1.37

1.59

36

0.50

0.52

0.55

0.59

0.61

0.63

0.66

0.69

0.72

0.75

0.81

0.86

0.92

1.00

1.09

1.22

1.35

37

0.47

0.49

0.52

0.55

0.57

0.59

0.61

0.64

0.67

0.70

0.73

0.79

0.84

0.90

0.97

1.06

1.21

38

0.45

0.47

0.50

0.53

0.55

0.56

0.58

0.60

0.62

0.65

0.98

0.72

0.76

0.82

0.88

0.96

1.04

39

0.43

0.45

0.47

0.50

0.52

0.53

0.54

0.56

0.58

0.31

0.63

0.67

0.70

0.74

0.80

0.86

0.95

40

0.42

0.43

0.45

0.48

0.49

0.50

0.52

0.53

0.55

0.58

0.60

0.62

0.66

0.69

0.73

0.78

0.85

41

0.40

0.41

0.43

0.45

0.46

0.47

0.49

0.50

0.52

0.54

0.56

0.58

0.61

0.64

0.67

0.71

0.76

42

0.39

0.40

0.41

0.43

0.44

0.45

0.47

0.48

0.49

0.51

0.53

0.55

0.57

0.60

0.62

0.66

0.70

43

0.37

0.38

0.39

4.41

0.42

0.43

0.44

0.45

0.46

0.48

0.50

.051

0.53

0.55

0.58

0.61

0.65

44

0.36

0.37

0.38

0.39

0.40

0.41

0.42

0.43

0.44

0.46

0.47

0.49

0.50

0.52

0.54

0.57

0.60

45

0.34

0.35

0.36

0.37

0.38

0.39

0.40

0.41

0.42

0.43

0.44

0.46

0.47

0.49

0.51

0.53

0.56

 

R22 R134a heat rejection correction coefficient table

Condensation temperature

(℃)

Air inlet wet bulb temperature(℃)

10

12

14

16

18

19

20

21

22

23

24

25

26

28

29

0.86

0.94

1.03

1.15

1.37

1.43

1.43

1.56

1.73

1.95

2.23

2.64

3.24

--

30

0.77

0.83

0.90

0.99

1.10

1.17

1.17

1.27

1.37

1.50

1.65

1.87

2.14

2.53

33

0.69

0.73

0.79

0.86

0.94

1.00

1.00

1.05

1.12

1.21

1.31

1.43

1.59

1.78

35

0.62

0.66

0.70

0.76

0.83

0.86

0.86

0.91

0.95

1.01

1.08

1.16

1.26

1.38

37

0.57

0.60

0.63

0.67

0.72

0.76

0.76

0.79

0.83

0.84

0.92

0.98

1.03

1.11

39

0.53

0.55

0.58

0.61

0.65

0.67

0.67

0.69

0.72

0.76

0.80

0.84

0.88

0.93

41

0.49

0.50

0.53

0.55

0.58

0.60

0.60

0.62

0.64

0.67

0.69

0.72

0.77

0.80

43

0.45

0.47

0.49

0.51

0.53

0.55

0.55

0.56

0.58

0.60

0.62

0.64

0.67

0.67

45

0.42

0.43

0.45

0.47

0.49

0.50

0.50

0.51

0.53

0.54

0.56

0.57

0.59

0.62


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