Deji machinery pioneer in environmental protection
In life, there is a phenomenon. When we use humidifiers in the environment with relatively poor air quality, we will find that a small layer of dust will soon appear on the table in the room, but the phenomenon will not be obvious without using the former. After analysis, the particles of water mist produced by the humidifier are very small. Now, the ultrasonic humidifier adopts ultrasonic high frequency oscillation, and atomized water into 1-5 micron super fine particles. It not only has humidifying effect, but also plays a more significant role in lowering dust and settling a lot of PM2.5 particles. "Dry fog and dust suppression" is the extension of this technology.
Dry fog and dust suppression technology is an advanced technology developed and guided by DustSolutions Inc, which is superior to the traditional spray dedusting technology. It has been widely applied in mines, power plants, ports, garbage disposal stations and other fields. Dry fog dust suppression technology is through the "cloud" of the mist to capture dust, mist and dust particles in the air that combines agglomerate to form dust and mist, by the action of gravity settling down, realizing the source of dust, can effectively solve the local closed / semi closed state fugitive dust difficult
Abstract: several water mist smoke less than or equal to 2.8 mu m particles; water particles of 2.8 m dry fog < ultra dry fog is less than 10 mu m; industrial water particle dry fog 10 m < industrial dry fog is less than or equal to 50 mu m; moisture (rain) water particles > 50 m.
The main object of dust treatment is dust particles under 150 m, especially the respirable dust particles below 5 m diameter, which cause no recoverable damage to the human body. "Dry fog and dust suppression" combines the characteristics of wet dust collector and bag filter. The thick and fine dry fog formed by sprayer is like the network of bag filter, and the dust that is moving through the diffuse dry fog is bound to collide with dry fog. As we use the sprayer to spray water, the dust is wetted with the water mist, as if submerged in a scrubber. This phenomenon is called caking. We choose the atomized droplets generated by special nozzles to control the diffusion of dust, which is based on the principle of caking. This caking function can be defined as a part of a substance that becomes larger by capturing more material until it is clustered. The water is atomized without any chemical process, do not add any chemicals, all water were effectively atomized from 1 microns to 45 micron droplets, a large number of in the diameter range of the droplet formation we called "dry fog", which is also to fine mist droplets. When the size of dust is close to the size of water droplets, the probability of agglomeration will increase greatly, because the contact surface area between them is the largest and easy to combine. In particular, when the encounter dust and the diameter of 5 micron diameter was 200 micron droplets, dust will be due to airflow while bypassing the water droplets to progress to avoid collision; if water droplets and dust diameter is similar to the effect of gas flow will be reduced to between the two does not affect the collision, thus resulting in agglomeration.
The diameter of the droplet produced by the traditional spray dedusting technology is 200-300 microns m, which not only has low efficiency and low energy consumption, but also tends to cause excessive wetting of the material and affect the output of finished products. Dry fog and dust suppression technology can produce 1-10? M highly atomized water mist particles, so that water droplets and dust particles are fully collided and coagulate. The dust suppression effect is obviously better than the traditional spray dust removal technology. The high performance nozzle can produce 1-100 micron m dry fog particles, which can fully increase the contact area with the dust particles, and suppress dust and dust and respirable dust effectively. The effective spray distance of dry fog is far away, and the wind resistance is strong. It forms a high efficient cloud dust proof wall to capture and gather dust. Besides, the droplet formation is tiny, and the water consumption is small and the cost is low, which does not affect the appearance and quality of the subsequent process and products, and also prolongs the service life of the production equipment.
There are a lot of dust in the production process of asphalt mixing plant, especially in the unloading process of the loader of the cold storehouse and the conveying of the stone material of the belt conveyor. Deji machinery has successfully applied this technique to the environmental protection type of asphalt mixing station. At the same time, continue to study "the feasibility of Deji mechanical dry fog dust suppression" used in the mixing pot discharging dust high temperature field, contribute to environmental protection in various ways and dust suppression.
