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Central air-conditioning energy-saving transformation project
Release time：2019-09-06 | Source：HUA LI JI DIAN.Optimising air-conditioned water system technology?Air-conditioning circulating water pump energy consumption accounts for 20% to 30% of the total energy consumption of the central air-conditioning system, because it is more ineffective energy consumption is an important part of the air-conditioning system energy saving. The real power consumption of the air conditioning pump Is equal to the product of the flow L and the pressure H of the pump divided by the efficiency of the product, i.e. W-L-H\/H,therefore, there are only three ways to reduce the energy consumption of the air-conditioning pump:1、Reduce the abnormal resistance H of the pipeline system;2、Appropriate reduction of excess flow of the system L;3、Trying to improve the actual operating efficiency of the pump
The Company through unique and effective energy-saving technology and after years of energy-saving engineering examples proved that, through the improvement of the elimination of abnormal resistance, replacement with the system matching the efficient pumps, air-conditioning pump energy saving space of 40% to 65%.
Cooling tower retrofit technology
Cooling tower water-cooled air-conditioning system is an indispensable supporting equipment, its cooling effect determines the air-conditioning unit energy consumption. Because the uniformity of its water distribution has a decisive effect on its cooling effect, for this reason, the selection of the cooling pump must leave a full margin of 5m for this, becoming one of the power points of the cooling pump energy saving. The company invented two kinds of patents can completely eliminate this surplus, the company's air-conditioning water system energy-saving transformation in one of the sharp instruments.
Variable flow control technologyCentral air conditioning is designed according to local meteorological data and the characteristics of buildings, thermal load is subject to the ambient temperature and indoor heat load size and changes, the maximum power of the year operating time of less than 10%, chillers can be adjusted according to load changes, and often prescribed flow control mode of energy consumption on the valve, There is a lot of energy saving space. The company's special control system through the inverter speed adjustment, so that the air conditioning water flow and ventilation and air conditioning load perfect match, can reach 30 to 50% energy-saving effect.
Energy saving softo sEnd-of-the-line equipment energy-saving solutions1.Rational use of new wind energy saving;2.Variable air volume energy saving control
Air conditioning system host energy savingThe operation process of the air conditioning system is the process of transferring and transferring heat from indoor low temperature environment to outdoor high temperature environment. All methods that reduce heat transfer and improve energy efficiency are the methods of energy saving in air conditioning systems.
Energy-saving solutions for chiller air conditioning systems:1.Add frozen polarized oil, peel off the outer oil film of the heat transfer tube, and restore the COP of the chiller;2.High efficiency magnetic levitation variable frequency centrifuge set. The replacement of the long-term inefficient units;3.Temperature and humidity independent control system, the use of high water temperature, improve the COP of chillers;4.reduce the temperature of cooling water, reduce the condensing pressure, raise the COP of the chiller;5.The application of heat recovery and water source heat pump unit;6.Make good use of natural cold sources, disable chillers
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