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Two-phase low-pressure driven ultrasonic atomization deodorization device and method

An ultrasonic atomization, low-pressure driven technology, applied in chemical instruments and methods, separation methods, atomized substances, etc., can solve the problems of low degree of automation, high operating pressure, easy blockage, etc., and achieve the effect of high degree of automation

Active Publication Date: 2021-06-01
BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Conventional atomization deodorization equipment in the prior art can only be applied to places such as toilets, farms and transfer stations, with low degree of automation and low deodorization efficiency. The clogging rate is high. When the ambient temperature is low, the odor removal rate will decrease, and the pipes will freeze, causing the equipment to be unusable at low temperatures, etc.
Therefore, it cannot be used in low temperature environment
[0003] Conventional high-pressure spray medium is liquid, which is not suitable for low-temperature environment, high operating pressure, small nozzle hole (0.2mm) and easy to block; electronic ultrasonic atomization transmission distance is short, the oscillating diaphragm is easy to scale, the end of the pipe is easy to drip, and the environmental wind speed image atomization effect

Method used

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  • Two-phase low-pressure driven ultrasonic atomization deodorization device and method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Manually start the spray in odor area A:

[0053] The air compressor 1 is working, and the compressed air is injected into the air storage tank 3 through the high-pressure pipe 2. When the pressure gauge 4 reaches 8bar, the air compressor is on standby, and the compressed air passes through the main air pipe 7, the gas filter 8 and the solenoid valve 9 of the A-area air pipe. , and then adjust the air pressure to 3bar through the air pipe pressure valve 10 in area A, and then transmit it to the air inlet of the ultrasonic atomizing nozzle 14 through the air pipe 11, tee 12, and hose 13 in area A; the municipal tap water is connected through the water supply port 38, and the The water solenoid valve 34 is opened, and the particulate impurities are removed through the multi-stage filter 32. After being pressurized by the booster pump 29, the water is transmitted through the standby pipeline heater 28, the main water pipe 24, the main water pipe solenoid valve 23 and the wa...

Embodiment 2

[0055] The ambient temperature is -5°C, the odor concentration in the odor area B triggers the spray air compressor 1 to be energized, and the compressed air is stored in the air storage tank 3. When the pressure of the air storage tank 3 reaches 8bar, the air compressor 1 is on standby, and the pressure of the air storage tank 3 is lower than 5bar. The time-space compressor 1 starts, the pressure of the gas storage tank 3 is greater than 8bar, and the pressure relief valve 5 of the gas storage tank automatically releases the pressure, the medicine box heating device 37 is normally open, it is standby when it is higher than 20°C, and starts heating when it is lower than 10°C; the gas sensor in zone B 43 When the concentration of hydrogen sulfide is detected to be higher than 45ppm, the programmable controller 40 in the control system receives the upper limit signal of the gas concentration in zone B, the compressed air passes through the air filter 8 to remove particulate matter...

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Abstract

The invention provides a two-phase low-pressure driven ultrasonic atomization deodorization device and method. The two-phase low-pressure driven ultrasonic atomization deodorization device comprises a compressed air management system, a spraying system host and an ultrasonic atomization nozzle which are sequentially connected through a pipeline, and a control system is in circuit connection with the compressed air management system, the spraying system host and the ultrasonic atomization nozzle. The compressed air management system comprises an air compressor, an air storage tank, an air filter, an air pressure valve and an air connecting pipeline, wherein the air connecting pipeline is a pipeline for connecting the air compressor, the air storage tank and an air inlet of the atomizing nozzle. The spraying system main machine comprises a multi-stage filter, a stainless steel cabinet, a water supply pipe, a water pressure valve, a medicine box, a dosing pump, a booster pump and a pipeline type heater. The control system comprises a programmable controller, a touch screen, a low-voltage electric appliance, a sensor, a pressure limiting valve and an electromagnetic valve. The device is suitable for open type pollution sources or point and surface pollution sources without centralized collection conditions, integrates humidification, sterilization and deodorization, has a networking operation mode, and is high in automation degree.

Description

technical field [0001] The invention relates to the technical field of malodorous gas treatment, in particular to a two-phase low-pressure driven ultrasonic atomization deodorization device and method. Background technique [0002] Gases containing odorous substances are often produced in places such as garbage transfer stations, garbage recycling workshops, sewage treatment plants, and public toilets. The existing odorous gas treatment methods are basically based on centralized collection and post-treatment. For open pollution sources, The cost of centralized collection is high, and the odor can only be neutralized and removed by spraying deodorant or chemical agent. The commonly used spraying method is to use a high-pressure pump to transport the mixed liquid to the polluted area through an atomizing nozzle and atomize it. Spray to achieve the purpose of removing peculiar smell. However, it is difficult or expensive to collect the odorous or peculiar smell exhaust gas gen...

Claims

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Application Information

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IPC IPC(8): A61L9/14B01D53/79B01D47/06
CPCA61L9/145B01D53/79B01D47/066
Inventor 刘建伟臧娜娜陈欣玥
Owner BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE