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China High-Efficiency Water-Cooled Screw Chiller

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Product Description

The series water-cooled type chiller adopts an 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 a high-efficiency heat exchange tube to improve refrigeration efficiency, and the unit is equipped with multiple protections to make the unit operate safely and reliably.


(1) The water-cooled screw machine is generally an open upper and lower structure of the chiller. Simple structure, fewer moving parts, convenient installation and debugging, reliable operation, low cost;
(2) the single machine has large cooling capacity and high volumetric efficiency;

(3) the cooling capacity can be a step-less adjustment.


This water-cooled screw chiller can be used as the cooling system for large commercial buildings, office buildings, factories, power plants, chemical plants, steel plants, hospitals, schools, shopping centers and production processing. For your upcoming project requiring water cooled chiller, please contact us. Explore how we can assist you in meeting your manufacturing needs.


Structure and Working Principle of High-Efficiency Water-Cooled Screw Chiller:


The screw chiller is composed of a screw compressor, a condenser, an evaporator, a throttle valve, etc. Among them, the screw compressor is its core component, which is composed of two screws tightly coupled. The screw runs inside to create high-pressure air, which releases heat after entering the condenser and discharges high-temperature and high-pressure steam. Then the steam flows into the throttle valve, reduces the pressure and passes through the evaporator. It absorbs heat and cools down, becomes low-temperature and low-pressure steam and returns to the compressor. The cycle is compressed again to form cold water.


Features of High-Efficiency Water-Cooled Screw Chiller:


The amount of steam generated in the evaporator of the screw chiller is large, and the heat dissipation area is also large, which makes the cooling effect better. Its cooling capacity and energy efficiency ratio can be guaranteed. At the same time, it has low noise, low vibration, easy installation, and low equipment requirements.

1. Energy with highly efficient

2. Operation noise and vibration is low

3. No friction loss

4. Low starting current

5. High system sustainability

6. Environmental protection


Safety system:


1 Compressor reverse protective

2 Freeze protector protective

3 Refrigerant safety valve

4 Buzzer

5 High-pressure gauge and Low-pressure gauge

6 Power phase failure protector

7 Coil over-heat protector

8 Temperature auto-switch

9 Refrigerant shortage protective


High-Efficiency Water-Cooled Screw Chiller Application:


Screw chillers have a larger cooling capacity than scroll chillers and are generally used in the following industries:

● The chemical industry

● The ink printing industry

● The food or medical manufacturing industry

● Other industrial refrigeration


High-Efficiency Water-Cooled Screw Chiller Parameters:


ModelHTK-180HTK-250HTK-300HTK-350HTK-410HTK-460HTK-520HTK-590HTK-640HTK-710HTK-820HTK-990
CoolingKW182245296351412464520585644712818985
CapacityKcal/Hr156520210700254560301860354320399040447200503100553840612320703480847100

RT51.7569.6684.1699.8117.15131.93147.85166.33183.11202.45232.58280.07
Power50HZ3P-380V-50HZ
Input power(KW)38.250.360.672.183.693.2104.4117.4129.4143167.2198.4
EERCOP4.764.874.884.874.934.984.984.984.984.984.894.96
Freezing mediumR22
control modeThermal expansion valve
CompressorModeSemi-closed double screw
Working styleY-Δ/Δ-Δ
Capacity0- 25% - 50% - 75% - 100%
CondensorModeEfficient external  thread shell and tube type
Cooling water temperatureIn 30℃/Out 35℃
Cooling water flow (m³/h)39.152.763.675.588.699.8111.8125.8138.5153.1175.9211.8
Pressure loss (Kpa)555558585861616365656667
waterpipeDN80DN100DN100DN125DN125DN125DN125DN150DN150DN150DN150DN200
EvaporatormodeEfficient internal  thread shell and tube type
Freeze water temperatureIn 12℃/Out 7℃
Freeze water flow (m³/h)31.342.150.960.470.979.889.4100.6110.8122.5140.7169.4
Pressure loss (Kpa)525558585858616161626464
waterpipeDN80DN100DN100DN125DN125DN125DN125DN125DN150DN150DN150DN200
SafeguardHigh and low pressure protection;  overload protection; anti-phase protection,  compressor over temperature protection;
high-pressure safety valve protection;  oil pressure protection; exhaust overheat protection
Units WeightKg98012501590172020402460278030603200385041004480
SizeL(mm)230023002800320032003600360038004000400041004100
W(mm)110011001250125013601360136014001480148015001500
H(mm)142014201530162016201760176017801820182019001900
Noise(dB)727273747475757677777881


Note:

1. The above cooling capacity parameters are all based on the conditions of condensation temperature 40℃, and evaporation temperature 2℃.

2. We can make orders according to your requirements.

3. Please indicate the hot recycled if needed, as the recycling rate can be up to 25%-30% of the unit refrigerating capacity, and the temperature can be up to 55℃.


Why Should You Choose Us For Your Custom Chillers Manufacturing?


We specialize in custom chiller products. We have our liquid chiller system designs in everything from Semiconductor process equipment, FCEV Hydrogen Refueling Stations and Bio-Pharmaceutical OEM process control systems. Huazhao can design any shape to fit around your equipment, pump selections to meet all your needs, air-cooled, water-cooled, and multiple cooling loops. Special interface requirements, digital or analog, pump output heat transfer fluid flow and pressure control, temperature cycling and ramping are all available.


Contact us today and learn more about our abilities in manufacturing custom chillers. Our staff welcomes any application challenges concerning your custom chillers.


FAQ:


Q: How do you choose the right chiller model?

A: Please make sure the details as follow:

1. What's the flow rate need?
2.Inlet and outlet temperature need?
Then we will calculate what's hte cooling capacity you need.


Q: How to quote a accurate solution for you?

A:After make sure the cooling capacity,please inform us:
1.What's the power supply need? Phase/Voltage/Frequency.
2.What's the refrigerant need? R22/R407C/R410A/R134A and etc.


If this water chiller not suitable for your working need, we have different chiller series, please choose it as follows.

1. Air Cooled Scroll Chiller: cooling capacity range from 1 ton to 35 tons;
2. Water Cooled Scroll Chiller: cooling capacity range from 1 ton to 40 tons;
3. Air Cooled Screw Chiller: cooling capacity range from 20 tons to 150 tons;
4. Water Cooled Screw Chiller: cooling capacity range from 25 ton to 400 tons;
Temperature range: -25 deg C~+35 deg C based on different industry working need.


China High-Efficiency Water-Cooled Screw Chiller

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