Water Washing Humidification System
Humidification and cooling, can handle a large number of air humidification operations.
The integrated control system can be installed for precise control.
The design is complicated and the cost is large.
Equal enthalpy humidification, need to preheat air.
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Water Mist Humidification
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Water Mist Humidification
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Product Detail
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Product Origin
In recent years, with the continuous shrinking of the line width of the electronic industry circuit manufacturing to the level of nanometers, and due to the high density of regional factory construction, the cross-contamination effect of exhaust gas from each factory has caused the concern about the environmental pollution of the process to be reduced from the original granular solid pollutants. Become gaseous molecular pollutants (AMC), such as SOx, NOx, CO, NH₃, HCL and other organic pollutants. The AMC produced in the clean room itself can be removed by the chemical filter on the fan filter (FFU), but the external air must be removed by the MAU chemical filter or the water washing humidification system. Although the efficiency of the chemical filter is high, the cost is expensive, and it is directly proportional to the amount of external air treatment. In addition, when the concentration of particles in the external air is high or the humidity is high, its service life will be shortened, so it has not been widely adopted by the electronics industry. use. As a good gas absorbing liquid and cheap water becomes the best way to remove AMC. In addition, the water-washing humidification system has certain effects in cooling air and temperature regulation. Therefore, the water-washing humidification system has gradually become the mainstream of the current electronics industry to remove chemical pollutants.
Working Principle
With water as the medium, the water is pressurized by the pump, and the water is refined into water particles within a certain diameter range by a special nozzle, which collides with the flowing air, mixes, heats and mass transfers, dissolves, etc., so that the AMC and VOC in the air , Particle is separated from the air, thus playing the role of washing the air. Humidification is only a subsidiary function of this product.
Three Basic Types
(1) Spray type: After the external air passes through the uniform flow plate for uniform air volume, it passes through the water mist curtain sprayed by the nozzles arranged in a network to increase the relative humidity of the air, and finally passes through a water retaining plate to filter impurities and The water drops are removed, and the treated air is sent out through the outlet. There must be a circulating water pump to circulate the water between the water tank and the nozzle, and automatically replenish water when the water level is insufficient. Such as: washing type humidification system.
(2) Spray type: the nozzles are evenly distributed, and the high-pressure water is atomized through the nozzles into smaller water droplets, which are easy to contact with the air, thus increasing the moisture content of the air. Such as the combination mode of high-pressure micro-mist humidification system and water baffle.
(3) Cell type: such as: wet film circulating water mode with water tank.
Function
The main function of the water washing humidification system is to filter and purify the air. Cooling and humidification are only auxiliary functions.
Conditions of Use
(1) Ambient temperature: 4°C~45°C
(2) Ambient humidity: ≤85%RH
(3) Water quality: clean tap water, demineralized water, PH value 6-7.
(4) Water supply pressure: 0.2-0.6Mpa
(5) Feed water temperature: 4°C-45°C
(6) Airflow wind speed: 0.5-3.5m/s
(7) Air inlet temperature: 4°C-65°C
The main purpose
(1) Air washing and static elimination: wafer field, photoelectric plant, chemical industry, petrochemical plant, chemical fiber plant, electronics plant, nuclear power plant, etc.
(2) Agricultural cultivation: greenhouse, inoculation room, sterilization room, etc.
(3) Drying and humidification: hospitals, textile factories, printing factories, food processing factories, etc.
Product components
(1) The water washing humidification system is mainly installed in fresh air air conditioning boxes and combined air conditioning boxes. It is mainly composed of circulating water tank, pressurized water pump, nozzle and pipeline system, uniform flow plate, water retaining plate and control system.
(2) The circulating water tank is made of stainless steel, with circulating pipelines, automatic water inlet and forced water inlet devices, circulating water pump filter devices, automatic overflow devices, high and low water level detection devices and tank flushing devices.
(3) The nozzle and pipeline system can adopt single-row spray, double-row spray and three-row spray. The number of sprays is determined according to the requirements of washing volume.
(4) The control system includes liquid crystal display operator (optional), water level detection system, water supply system, PH value control automatic cleaning system, automatic water supply system and water pump operation protection control system.
(5) The uniform flow plate and water retaining plate can be made of ABS or PPS, and can also be made of punched aluminum alloy and stainless steel.
Advantages and disadvantages and precautions
1. It needs professional and experienced staff to operate.
2. If it is used in a climate close to the freezing point, it must have anti-icing protection equipment.
3. The machine does not occupy much space, but it can handle a large number of air humidification operations.
4. Although the make-up water is recycled, the frequency of water change is also high. In order to prevent the air from being too dirty, it should be considered whether the water source is sufficient and whether the water cost is too high.
5. It can be used for precise control, but it is necessary to install a well-integrated control system, which is expensive.
6. If there is waste heat for utilization, considerable energy costs can be saved.
7. Dusty and dirty air must be filtered before humidification.
8. Moss and bacteria may grow in the machine, which requires frequent maintenance and chlorine disinfection.
9. The horsepower requirements of windmills are much larger than normal.
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Wet Film Humidifier
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