Semi closed Screw Type Chiller

Author:huazhaochiller 2020-02-25 09:34:33 292 0 0

Semi closed Screw Type Chiller,Flooded Type Screw Type Chiller factory

Description:

The series water chiller adopts efficient semi-closed screw compressor. the compressor adopts a 5:6 asymmetric high-efficiency screw rotor, which is graded or steplessly energy regulated. It is automatically adjusted according to load changes and is more energy efficient. The unit heat exchanger adopts high-efficiency heat exchange tube to improve the refrigeration efficiency, and the unit is equipped with multiple protections to make the unit operate safely and reliably. Min.outlet temperature can be -60℃.

Jiangsu Huazhao Refrigeration Equipment CO., Ltd. is a manufacturing enterprise focus on high quality industrial refrigeration equipment research and development, production and sales.

Our company various industrial chiller with competitive price include: Air cooled chiller; Water cooled chiller; Low temperature glycol/brine water cooled chiller; Heat pump hot water chiller; Maglev inverter centrifugal water chiller; Oxidation dedicated water cooled chiller.

 

Features of chiller:

1. The unit adopts a semi-closed screw compressor. The compressor adopts a 5:6 asymmetric high-efficiency screw rotor, which is graded or steplessly energy regulated. It is automatically adjusted according to load changes and is more energy efficient.

2. The unit heat exchanger adopts high-efficiency heat exchange tube to improve the cooling efficiency. At the same time, in order to reduce the lubricating oil entering the heat exchanger, the unit increases the secondary oil content, minimizes the amount of oil entering the heat exchanger, and passes the specially designed ejector. The oil return device directs the lubricating oil in the heat exchanger back to the compressor to improve the refrigeration efficiency of the unit and also improve the reliability of the unit operation.

3. The unit is equipped with multiple protections to make the unit operate safely and reliably. The unit adopts direct cooling mode, which reduces the loss caused by the intermediate heat exchange and greatly reduces the running cost.

4. Environmentally friendly 134a refrigerant is used to improve unit operating efficiency. The unit is equipped with multiple protections to make the unit safe and reliable.

 

Flooded Type Water Cooled Screw Refrigeration Unit (R22)

Model

HTK-330M

HTK-390M

HTK-460M

HTK-520M

HTK-580M

HTK-650M

HTK-720M

HTK-800M

HTK-920M

HTK-1100M

Cooling

KW

330

392

460

518

581

653

720

795

920

1099

Capacity

Kcal/Hr

283800

337120

395600

445480

499660

561580

619200

683700

791200

945140


RT

93.83

111.46

130.79

147.28

165.2

185.67

204.72

226.04

261.59

312.48

Power

50HZ

3P-380V-50HZ

Input power(KW)

60.3

71.8

83.2

92.8

104

116.9

128.9

142.2

163.3

197.6

EER

COP

5.47

5.46

5.53

5.58

5.59

5.59

5.59

5.59

5.63

5.56

Freezing medium

R22

control mode

Electronic expansion valve

Comprosser

Mode

Semi-closed double screw

Working style

Y-Δ/Δ-Δ

Capacity

0-25%-50%-75%-100%

Condensor

Mode

Efficient external thread shell and tube type

Cooling water tempreture



In 30℃/Out 35℃

Cooling water flow (m³/h)

71.0

84.3

98.9

111.4

124.9

140.4

154.8

170.9

197.8

236.3

Pressure loss (Kpa)

55.0

55.0

55.0

58.0

58.0

58.0

60.0

61.0

61.0

65.0

waterpipe

DN100

DN125

DN125

DN125

DN150

DN150

DN150

DN150

DN200

DN200

Evaporater

mode

Hydraulic filling evaporater

Cooling water

In 12℃/Out 7℃

tempreture

Cooling water flow (m³/h)

56.8

67.4

79.1

89.1

99.9

112.3

123.8

136.7

158.2

189.0

Hydraulic (Kpa)

52.0

55

55

58

58

58

58

58

61

61

waterpipe

DN100

DN125

DN125

DN125

DN150

DN150

DN150

DN150

DN200

DN200

Safeguard

High and low pressure protection; overload protection; anti-phase protection, compressor over temperature protection; high pressure safety valve protection; oil pressure protection; exhaust over heat protection

Weight

Kg

1320

1480

2130

2560

3100

3500

3800

3580

4070

4150

Size

L

3600

3600

3600

3800

3800

3800

4000

4000

4000

4000

W

1460

1460

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