The problem of resource consumption has been plaguing the development of many industries, and the air purification engineering industry is no exception. Facing the energy consumption emphasized in Made in China 2025, manufacturers must consider the importance of energy saving. In recent years, the energy consumption of clean rooms has attracted wide attention. What are the main reasons for the high energy consumption in the clean room purification process? What energy-saving measures should be taken? Next, let's introduce the air purification project.
空气净化工程能耗大的主要原因:一般空调有的只具有一级过滤效果，要求较高的是一级过滤效果，二级过滤的中间效果。净化空调需要三级过滤，即一级、中级、高效三级过滤，或一级、中级、次高效三级过滤。随着每一阶段的过滤，空气更干净，但它也增加了过滤的成本。一般中央空调系统平均换气次数只有10次/小时以下，而净化空调系统需要超过12次/小时，甚至是一般中央空调系统换气次数的10倍以上。因此，净化空调系统每平方米的能耗是普通中央空调系统的10 ~ 20倍。
The main reason of high energy consumption in air purification project is that some air conditioners only have one-stage filtering effect, and the higher requirement is the first-stage filtering effect and the intermediate effect of the second-stage filtering. Purification air conditioning requires three-stage filtration, i.e. one-stage, intermediate and high-efficiency three-stage filtration, or one-stage, intermediate and sub-high-efficiency three-stage filtration. With each stage of filtration, the air is cleaner, but it also increases the cost of filtration. In general, the average ventilation times of central air-conditioning system are less than 10 times per hour, while the purification air-conditioning system needs more than 12 times per hour, even more than 10 times of the ventilation times of general central air-conditioning system. Therefore, the energy consumption per square meter of the purified air conditioning system is 10 to 20 times that of the ordinary central air conditioning system.
Energy-saving measures of clean room: It is necessary to purify the operating room from constant temperature, and the air-conditioning system of clean room should be equipped with independent cold and heat sources to avoid the excessive season of constant temperature in the central air-conditioning Hospital of clean room. Secondary return air system eliminates reheating by setting primary return air rate and secondary return air rate. It eliminates reheating power consumption and reduces cooling load of instrument cooler by adjusting primary return air rate and secondary return air rate. After the heat source is recovered, the heat of the condenser is the waste heat discharged into the atmosphere at first, which can be well re-heated by recycling. Many clean rooms in enterprises adopt air coolers, which can be installed by reforming the heat recovery cycle, which is more economical than electric heating and boiler hot water.
According to the requirement of small side, the cleaning parameters of clean room should be set according to the actual production demand of enterprises, and the setting of cleaning air conditioning system should be scientific and reasonable to reduce the large energy consumption of air purification project.
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