How to do well in the maintenance of ultrasonic humidifier

　　In IDC machine rooms, there are not only certain range requirements for temperature, but also strict range requirements for relative humidity. In order to achieve the relative humidity index, a humidification device is installed in the special air conditioner of the machine room, which is controlled by the computer board of the air conditioner of the machine room: when the relative humidity of the machine room is lower than the set lower limit of relative humidity, the humidification cycle is automatically started; When the relative humidity of the machine room is higher than the set upper limit of relative humidity, the humidification will be stopped automatically to keep the relative humidity of the machine room within the normal range.

　　Ultrasonic humidifier is divided into infrared ultrasonic humidifier and electrode boiler type according to humidification mode.

　　1. Infrared ultrasonic humidifier

　　(1) Composition of ultrasonic humidifier

　　The infrared ultrasonic humidifier is composed of high-strength quartz tube, stainless steel reflector, stainless steel evaporating water pan, temperature overheating protector, water inlet solenoid valve, manual valve, humidification water level controller, etc.

　　(2) Working principle of infrared ultrasonic humidifier

　　When the relative humidity in the air-conditioned room is lower than the set relative humidity, the computer outputs the humidification signal, the high-intensity quartz lamp is powered on, reflected by the stainless steel reflector, and the water can be evaporated within s~6s and sent to the air supply system to achieve the purpose of humidification.

　　The water level control is realized by the float valve, and an automatic water supply system is formed together with the water inlet solenoid valve. If the water supply is too small or there is no water supply, the power supply of the contactor coil of the infrared humidification lamp system will be automatically cut off through a time delay device to stop the work. There is an overheating protection device at the upper part of the stainless steel reflector of the ultrasonic humidifier and the lower part of the water pan. When the water is stopped or the water pressure is insufficient, the equipment will overheat, and when the temperature reaches the set value, the protection device will disconnect the working state of the ultrasonic humidifier and trigger a humidification alarm at the same time.

　　2. Electrode boiler type ultrasonic humidifier

　　(1) Composition of ultrasonic humidifier

　　The electrode boiler type ultrasonic humidifier is composed of electrode boiler, steam spray pipe, water inlet solenoid valve, drainage solenoid valve, water level controller, etc.

　　(2) Working principle of electrode boiler type ultrasonic humidifier

　　When the relative humidity of the air-conditioned room is lower than the set relative humidity, the computer outputs the humidification signal, the power is turned on, the solenoid valve is opened, and the water will be filled to the level of the transmitter. When the electrode in the ultrasonic humidifier is powered on, the current generated will become ions in the water

　　(an impure substance) that moves and heats up gradually, producing steam when it reaches the boiling point. Within a few minutes, there is a large amount of water vapor in the ultrasonic humidifier tank. The water vapor continuously overflows from the steam outlet pipe, enters the box evaporator, and then is sent to the machine room by the fan, so that the relative humidity of the environment is increased. During normal operation, the water supply solenoid valve will open every few minutes to recharge. When the ultrasonic humidifier works for a certain period of time, a large number of impurities will be retained inside, especially in areas with poor water quality. These impurities will form a scale layer after being detained for a long time. Therefore, the drainage solenoid valve of the system will be opened regularly to discharge residual water.

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