Energy saving measures of purification system in clean workshop
The energy consumed in the operation of the clean room mainly includes: the energy consumed by the heat and humidity treatment of the fresh air, the energy consumed by the operation of the fan in the system, and the power load of the clean room operation is 3 times to 30 times larger than that of the general air conditioner. Energy saving of purification air conditioning system in operation...
Text label: clean workshop purification system, clean workshop energy saving, clean workshop design, purification decoration company
Energy saving measures for purification system in clean pharmaceutical cleanroom
The energy consumed in the operation of the clean room mainly includes: the energy consumed by the heat and humidity treatment of the fresh air, the energy consumed by the operation of the fan in the system, and the power load of the clean room operation is 3 times larger than that of the general air conditioner- 30 times. The energy saving problem of the purification air-conditioning system in operation should mainly start from the projects that consume a lot of energy in the operation of the system, which can be reduced by reducing the air supply volume of the system; changing the temperature and humidity bases required by the clean workshop; reducing the exhaust air volume; Static pressure value; use low-resistance air filter; use the duty fan to run during non-working hours, turn off the supply and return fans in the system; minimize the consumption of air processing energy due to the temperature rise of the fan and motor; reduce the purification of the air conditioning system and air conditioning Considering the air leakage of the device and other aspects, take corresponding and effective measures and methods to achieve the purpose of energy-saving operation. Energy-saving measures for purifying air-conditioning operation:
Reduce the air supply volume of the system: The air supply volume in the clean room is much larger than that in the general constant temperature and humidity air-conditioned room. Trying to reduce the air supply speed of the system can effectively save the energy consumed by the air treatment , to achieve the purpose of energy-saving operation; under the premise of meeting the process conditions, the average indoor cross-sectional air speed is reduced by 20%, and the air supply volume of the room can be reduced by about 20% at this time, which not only reduces the energy consumed by air treatment, It also reduces the power consumption of the conveying equipment fan operation.
Use low-resistance air filter: try to use low-resistance air filter to reduce the head loss of the blower and reduce the consumption of electricity, or clean and replace the filter in time to reduce the operating resistance of the system and save operating costs. In use, the air filter can be replaced when its resistance reaches 2 times of the initial resistance. However, in order to reduce the power consumption during system operation, if it is economically reasonable, the resistance of the air filter can reach the initial resistance. Replace it at 1.5 times, which can save power consumption and reduce operating costs. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean workshops and purification projects.
Change the temperature and humidity base required by the clean workshop: It takes corresponding energy to maintain the clean pharmaceutical cleanroom to a certain temperature and humidity. Increasing the required temperature and humidity base can save energy. If the air parameters are required to be 22°C ± 2°C and 35%-50% relative humidity. In summer operation, if the air temperature in the clean room is controlled at 23°C and the relative humidity is controlled at 60%, the dew point of the purification air-conditioning system machine can be increased from 12.2°C to 16.5°C. If the air volume is calculated as 10000m3/H, the cooling energy consumption of the processed air can be saved in operation as 36.27kWH, and if the air volume is calculated as 16H throughout the day, the cooling capacity can be saved by 580.3kw/d.
Appropriately reduce the static pressure value in the clean workshop: the clean workshop must ensure a certain static pressure value during operation. The purpose is to maintain the necessary cleanliness of the room without being affected by the outside polluted air. The static pressure difference between clean rooms of different grades and clean areas and non-clean areas should not be less than 5Pa, and the static pressure difference between clean areas and outdoor should not be less than 10Pa; in the operation of clean workshops, clean rooms and clean areas of different grades should not be less than 10Pa. The static pressure difference between the clean area and the non-clean area is kept at 3Pa, and the static pressure difference between the clean area and the outdoor area is kept at 6Pa to ensure that the clean workshop is not polluted by the outside air; due to the reduction of the static pressure difference, the air conditioning system can be reduced. The processing capacity of fresh air can not only reduce the cold and heat consumed by processing the fresh air volume required to ensure static pressure, but also reduce the power consumption of the fan. The use of variable air volume operation mode is an ideal energy-saving method.
The on-duty fan is used for operation during non-working hours, and the return fan in the system is turned off. During non-working hours, both the supply fan and the return fan stop running. In order to prevent the outdoor polluted air from passing through the gap of the enclosure structure of the clean workshop and from the fresh air outlet through the return air duct into the clean workshop after the system stops running, it is set up to destroy the cleanliness of the room. On-duty fan; the air volume of the on-duty fan is generally considered according to the number of air changes required to maintain the required positive pressure value in the room. The power consumed by the on-duty fan during operation and the cold and heat consumed by the treated air are smaller than those when the system is running. In order to achieve better energy-saving effect, the purification air-conditioning system with on-duty fan should use the on-duty fan as much as possible when it is not working.
Minimize the energy consumption of processing air due to the temperature rise of fans and motors. When the fan is running, its own temperature rises, and when the motor is running, the surface temperature of the motor also rises. If the fan and the motor are both installed in the air handling room, the air conditioning system not only has to undertake the energy of processing air, but also undertakes to eliminate the energy caused by the fan. , the energy consumed by the motor to dissipate heat; for the purification air conditioning system, try to move the motor outside the air treatment room, or set the fan and the motor outside the air treatment room, you can reduce the increase in the air treatment due to the temperature rise of the motor. cooling load.
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