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High pressure atomization dust reduction equipment
The intelligent control of high-pressure atomization dust suppression equipment is reflected in the following two aspects: first, configure the dust c
Product details
The working principle of high-pressure atomization dust reduction equipment is to use the water pump in the host to pressurize the clean water to above 0.4Mpa, and then spray it out through a special nozzle. The sprayed water mist collides with the dust in the air, causing the dust to fall to the ground, and the improvement effect on the environment is very significant. The high-pressure spray equipment is mainly composed of high-pressure pump, nozzle, water treatment device, etc. At present, the commonly used swirl nozzles in foreign countries have defects such as large mist particles, poor fogging performance, and easy water accumulation when spraying mist.
Spray dust fall is mainly the collision capture and condensation sedimentation of fog droplets and dust particles. Through research and analysis, the factors that have a greater impact on the amount of dust deposition are mainly as follows: the relative speed of fog droplets and dust, the dust collection efficiency of isolated droplets, dust concentration, the area of the capture area, the water content of the space volume, the area of fog droplets, and the volume of fog droplets. It was found from the experiment that the smaller the droplet size, the higher the dust reduction efficiency, and the higher the water supply pressure, the higher the dust reduction efficiency.
Three induction control methods for high-pressure atomization dust reduction equipment:
1. Dust concentration sensing
Hangzhou "Mist King" shall be equipped with high-pressure spray dust suppression device and PLC control panel, which can enter microcomputer mode online for free setting of dust concentration. When the dust concentration in the workshop reaches the set value, the high-pressure micro fog dust removal device will automatically start the spray dust removal work, and spray suppression will be carried out on the dust starting point and floating dust to achieve the purpose of dust suppression and dust removal.
2. Infrared induction
Hangzhou "Mist King" shall be equipped with high-pressure spray dust suppression device, which can also realize automatic start or stop of spray dust removal through infrared induction. Connect the infrared system to the host of the high-pressure micro fog device, and then place the infrared sensing device in the required area. When someone or a vehicle passes, it will automatically start or stop spray for dust reduction, which is very suitable for road spray for dust removal.
3. Time sensitivity
The high-pressure spray dust suppression device can set the time of spray dust removal freely, such as when to start spray dust removal and when to turn off spray dust removal. When the start and stop time of spray dust suppression is set, the host of the high-pressure micro fog dust removal device will carry out spray dust removal in strict accordance with the set time.
When the diameter of water droplet particles is larger than that of dust particles, the dust only follows the airflow around the water droplet, and there is little or no chance of contact between the water droplet and the dust particles, which cannot achieve the effect of dust suppression. If the size of fog droplets is similar to that of dust particles, the surface tension of water will decrease, making it easier for dust particles and droplets to collide, come into contact, and bond together. As the droplet size becomes smaller, the probability of agglomeration increases, and the "filtering" effect of water mist on dust is formed.
The high-pressure micro mist dust suppression system directly pressurizes water to 80-150kg/cm3, and water is sprayed out of the equipment in the form of micro mist (water mist particles with a diameter<10 μ m) under high pressure. When the size of water mist particles is comparable to that of dust particles, water mist particles and dust particles are prone to agglomerate and begin to settle under the action of gravity, and then fall to the ground.
When a large number of small water droplets form a mist that completely covers the dust source, a very good dust suppression effect can be achieved. The micro fog dust suppression system uses high pressure to atomize water into water mist below 10 μ m, forming a mist cloud above the dust point that completely covers the dust point. This way, when the material is dusty, the dust completely enters the mist cloud, fully combines with the water mist, and gradually increases, falling to the ground under the action of gravity.
1. The equipment can treat dust at the source of pollution, curb dust diffusion, greatly improve work efficiency, and effectively control inhalable dust below 10um, avoiding the harm of silicosis
2. The water mist particles are delicate and have a specific gravity of 0.02% to 0.05% for increasing material humidity, which can be basically ignored. At the same time, the quality of water mist particles is good, forming a dense mist pool at the dust suppression point, which has no loss of calorific value for materials such as coal
3. Occupying a small area on the ground, it improves the utilization of space; High production, low consumption and energy saving are also the main features of the Wuwang product. The high-voltage spray dust removal system consumes less power than the traditional bag type dust removal system, and consumes less water than the ordinary spray type dust removal system.
4. Low water consumption and no secondary pollution; The equipment investment is small, and the operation and maintenance costs are low. Using the Fog King series products not only saves costs for the workshop, but also promotes green environmental protection, which is a responsibility that modern enterprises cannot shirk.
5. With the excellent performance of high-pressure spray dust removal system, the explosion probability of coal dust in the workshop is greatly reduced
6. In summer, a dense fog pool can cool down the workshop
7. Can be used as a pollution source for unorganized emissions, enclosed or semi enclosed spaces
Application areas:
1. Environmental protection industry, large-scale coal storage yards, seaside storage yards, coal transportation, dust pollution in transfer ports, coal consolidation stations, and dust control in outdoor operations;
2. Open or enclosed coal and iron ore storage yards and unloading areas, truck unloading ports, local dust generated by mechanical operations, and pollution control of large amounts of dust generated by heavy vehicles during transportation;
3. Dust pollution control projects in the chemical industry, steel mills, coking plants, coal washing plants, power plants, fly ash, ash storage plants, micro powder plants, iron concentrate powder plants, etc;
4. Dust control for sandblasting operations in shipyards, shipyards, and machinery industries;
5. Dust control in the construction industry, construction sites, building demolition, road dust, etc;
6. Dust reduction, cooling and disinfection of airports, highways, stations, docks, public places, sports venues, hot venues, etc.
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