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I.Water-cooled Screw ChillerOverview
Shenzhen Chuanbenster Refrigeration Equipment Co., Ltd.The water-cooled screw chiller uses a screw compressor for compression refrigeration and water as the cooling medium for heat dissipation.Ultimately, it produces chilled water for industrial or air-conditioning use, and is mainly applied to large equipment matching or central air-conditioning systems. The machine body has the advantages of stable performance, simple operation, easy cleaning, strong refrigeration effect, energy saving and high efficiency. It is an ideal refrigeration equipment for enterprises!
II.Water-cooled Screw ChillerApplication Industries
In the industrial field, the applications of screw chillers include: pharmaceuticals, food freezing, plastics, heat treatment, chemical industry, fish farming, cosmetics, artificial leather, electroplating, aluminum oxidation, electrophoresis, electronics, laboratories, etc.
In the commercial field, the applications of screw chillers include: central air-conditioning systems in office buildings, office towers, hotels, villas, restaurants, factories, shopping malls, hospitals and other places.
III. Features
1. Compressor: Imported famous brand semi-hermetic screw compressors such as BITZER, HANBELL, and RefComp are selected. Among them, the 5:6 ultra-high efficiency screw rotor design has an energy efficiency 20 - 30% higher than that of general compressors. It has the advantages of stable and reliable operation, high efficiency, low failure rate, and convenient maintenance. For the unit operating at full or partial load, each compressor can be controlled using stepless or 75%-100% capacity.
2. The shell and tube semi-hermetic screw compressor has types suitable for various refrigerant working media such as R22, R407C, and R134a.
3. Condenser and Evaporator: The condenser of the screw chiller uses different types of heat exchange copper tubes imported from Germany and Japan and domestic ones. The outer surface of the copper tube is processed into trapezoidal low-fin tubes, which increases the heat exchange area and enhances the heat exchange performance. The inner surface of the copper tube is smooth, reducing the water pressure and making it easy to clean and maintain.
4. The evaporator uses internally threaded high-efficiency heat exchange copper tubes. The spiral smooth outer surface of the copper tube and the non-short-circuit design of the water-side baffle plate improve the mixing and heat exchange efficiency of the chilled water.
5. Refrigeration accessories: The refrigeration accessories are selected from the world's most well-known brands such as Danfoss, ALCO, and SPORLAN, with excellent quality and outstanding performance.
6. Adopt a highly intelligent PLC and PC-level microcomputer control system. It has sensitive response and precise control, with multiple functions such as automatic loading and unloading, timing on and off, and recording of fault causes, and can achieve remote or central monitoring.
7. Successfully passed the ISO9001:2000 international quality system certification.
8. When each compressor of the refrigeration system is at the minimum load (25%), it starts with star-delta step-down, effectively reducing the starting current and the impact on the power grid. The exhaust muffler installed in the compressor ensures the low-noise operation of the unit.
9. Automatic on/off, automatically realizes unmanned operation management according to the scheduled work plan
10. After the product has been comprehensively tested in the factory of Shenzhen Chuanbenster Refrigeration Equipment Co., Ltd. and passed the full-load operation test, it leaves the factory with refrigerant, ensuring that the equipment can work immediately after the water and electricity are in place
11. Explosion-proof, high-precision and other special models can be customized
12. Multiple protection functions: time delay, water shortage protection, water flow protection, high and low pressure control and display, temperature control and display, overload protection, phase loss and reverse phase protection, anti-freezing protection, fault display, automatic water replenishment and interlocking control circuit
The safety protection functions are complete
Pressure protection: Automatic protection devices for high and low pressure of the refrigeration system;
Power protection: Under-voltage protection, phase loss protection, reverse phase protection, overload protection, motor overheat protection;
Anti-freezing protection: When the chilled water temperature is too low, the unit will automatically stop;
Safety valve protection: When the refrigerant pressure exceeds a certain value, the safety exhaust valve will automatically open;
Delay protection: Compressor delay start protection to prevent the compressor from starting frequently;
Oil level protection: The protection device is activated when the compressor oil level is too low;
Water flow protection: When the water flow stops or decreases, and continuous operation will endanger the unit, the unit will automatically stop;
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