Clean air conditioning system for clean room workshop
Clean air conditioning system for clean room pharmaceutical cleanroom
The clean air-conditioning system not only has certain requirements on the temperature, humidity and wind speed of the indoor air, but also has higher requirements on the number of dust in the air and the concentration of bacteria; After filtering, it is mixed with the return air from the clean room and passed through...
Text label: clean room workshop, clean air conditioning system, design and installation
Clean room pharmaceutical cleanroom clean air conditioning system
The clean air-conditioning system not only has certain requirements on the temperature, humidity and wind speed of the indoor air, but also has higher requirements on the number of dust in the air and the concentration of bacteria; After filtering, it is mixed with the return air from the clean room, filtered through the primary filter, and then passed through the surface cooling section and the heating section for constant temperature dehumidification treatment, then filtered through the medium-efficiency filter, and then enters the air supply duct after passing through the humidification section. After noise reduction through the muffler on the air supply duct, it enters the high-efficiency filter at the end of the duct and then enters the room. Some rooms are equipped with an exhaust port, which is discharged to the outside through the exhaust port, and the rest of the air is mixed with the fresh air through the return air port and return air duct. Then enter the pre-filter cycle. The clean air-conditioning system is divided into fresh air system, primary return air system and secondary return air system according to the form of air supply and return, divided into constant air volume and variable air volume system according to air volume, and unidirectional flow and turbulent flow according to the form of supply air flow.
Centralized clean air-conditioning system, the clean air-conditioning equipment required for single or multiple clean rooms in the system are concentrated in the computer room, and clean air is distributed to each clean room with air supply pipes; decentralized clean air-conditioning system, Each clean room in the system is separately equipped with purification equipment or purification air conditioning equipment; the semi-centralized clean air conditioning system has both a centralized purification air conditioning machine room and air treatment equipment scattered in each clean room, which is a kind of centralized treatment. combined with local processing. The clean air conditioning system consists of heating or cooling, humidification or dehumidification and purification equipment. The auxiliary system includes the air conveying equipment and its pipelines that send the treated air into each clean room and circulate it, and provide heat and cooling to the system. The amount of heat and cold sources and their piping systems. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean rooms and clean workshops.
The clean room needs to maintain a constant positive pressure to prevent the air of different levels in the adjacent room from interfering with it. It is usually maintained by a reasonable air volume balance design and setting a residual pressure valve; because the air volume required for cleanliness is much larger than that of the air conditioner Control the amount of hot and cold air, so this requirement is basically met by two return air methods or short circulation methods. The cooling load of the clean air conditioner is large, the cooling load per unit area of u200bu200bthe office building is in the range of 100-130W/m2, and the cooling load of the semiconductor factory is as high as 500-1000
W/m2, and the components of load are also special, mainly for process equipment, fresh air and transportation energy consumption, because the clean room generally runs 24H, so the energy consumption is larger than other buildings. The air volume is large and the air pressure is high. Because it is a three-stage air filtration system, the air pressure of the fan is more than 400Pa higher than that of the general air conditioning system, so the air transportation energy consumption is large. With the increase of the filter resistance, the air volume of the system will change, so the air volume should be configured. The device has a constant air volume.
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