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Energy Saving Measures for Industrial Water Chillers

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Energy Saving Measures for Industrial Water Chillers


Industrial cooling pumps for chilled water or other liquids are passed through process or laboratory equipment. Industrial chillers are used in all walks of life to control the cooling of products, machines and plant machinery. Applied industrial chillers can be centralized, with each chiller cooling to meet multiple needs, or distributed across each application or facility with its own chiller.

1. Lower the condensation temperature. On the premise of meeting equipment safety and production requirements, try to increase the evaporation temperature and reduce the condensation temperature. To this end, the transformation of the cooling tower has been increased to ensure the cooling water efficiency.

2. Adjust the reasonable operating load of the chiller equipment. Under the condition of ensuring the safe operation of the equipment, the power consumption per unit of cooling capacity is smaller when the refrigeration host runs at 70%~80% load than when it runs under load. Using this method to start the machine should be considered in combination with the operation of the water pump and the cooling tower.

3. Prevent and reduce pipe fouling to improve the heat exchange efficiency of condenser and evaporator, and replenish water. If the water treatment is not done properly, calcium carbonate and magnesium carbonate from the heating of calcium bicarbonate and magnesium bicarbonate will deposit on the pipes. The thermal conductivity is reduced, the heat exchange efficiency of the condenser and the evaporator is affected, and the electricity cost of equipment operation is greatly increased. At this time, in addition to using water treatment technology, you can also use the regular automatic cleaning equipment for pipeline cleaning.

4. The frequency conversion device of the chiller is used to adjust the rotational speed of the compressor of the centrifugal chiller. After the low-pressure refrigerant passes through the centrifuge, the pressure rises. The higher the speed of the centrifuge, the higher the pressure rise. In actual operation, most of the equipment is not running at full load. Centrifuges with a fixed rotational speed cause energy waste when the equipment is operated with a small load. The frequency conversion centrifugal chiller can automatically adjust the compressor speed according to the change of the load, and the energy saving space is relatively large.

The industrial chiller is used in the cooling of plastic processing machinery forming molds, which can greatly improve the surface finish of plastic products, reduce the surface marks and internal stress of plastic products, make the products not shrink or deform, facilitate the demoulding of plastic products, and accelerate the finalization of products, thereby Greatly improve the production efficiency of plastic molding machines. The chiller is used in CNC machine tools, coordinate boring machines, grinding machines, machining centers, combined machine tools, and various types of precision machine tool spindle lubrication and hydraulic system transmission media cooling. It can effectively control the oil temperature, effectively reduce the thermal deformation of the machine tool, and improve the accuracy.

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