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Nanyang plastic dust net

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Nanyang plastic dust net

南阳塑料防尘网
  • Category: Nanyang dust net

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  • Release Date: 2018/05/08
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Detailed introduction

Dust nets are also called " wind- proof dust suppression nets " and "flexible wind- proof dust suppression nets". They are an environmental protection project for the control of open-air stockyard dust pollution. It is widely used in bulk material ports, fuel yards of thermal power plants, raw material fuel yards of iron and steel enterprises, raw material fuel yards of chemical companies, coal storage yards of coal mines, etc.

的产品结构: Product structure of air filter :

It is composed of windshield, steel structure support and concrete foundation. At the same time, it can be attached with 1 ~ 2 meters of material retaining wall and lighting on the steel frame.

The windshield has a certain number of openings, and the material of the windshield can be divided into metal and non-metal. Among metal windshields, they can be divided into carbon steel plates, galvanized plates, aluminized zinc plates, stainless steel plates, aluminum-magnesium alloy plates, etc. due to different substrates; non-metallic materials include hand-made glass steel, machined glass steel, Molecular composites and more. Macromolecules are mainly processed from chemical raw materials. There are many varieties, and of course the quality varies greatly.

Steel structure supports can be mainly divided into truss structures and spiral ball net structures. Truss structures can be divided into space trusses and plane trusses, and their connection methods include welding and bolting. The connection method of the spiral ball net structure is a spiral ball connection. The steel structure supports the design of the structure according to the climatic conditions of the project site (mainly 50 years in case of wind pressure and maximum wind speed). In the support of steel structures, the truss form is preferred because the bolt ball net structure may loosen the connected bolt balls due to wind vibration.

The foundation is a reinforced concrete foundation. Design according to the size and moment of the superstructure.

Product principle of air filter:

The dust net is processed into a certain geometric shape, opening ratio and different hole shape combination wind and dust suppression wall according to the aerodynamic principle according to the results of the on-site environmental wind tunnel experiment, so that the circulating air (strong wind) passes through the wall from the outside. At the same time, the upper and lower interference airflows are formed on the inside of the wall to achieve the effect of strong wind on the outside, weak wind on the inside, small wind on the outside, and no wind on the inside, thereby preventing dust from flying. The technology is currently leading the country.

The wind and dust suppression wall consists of an independent foundation, a steel structure support, and a wind deflector.

There are two major types of dust on the stockpile: one is static dusting on the surface of the stockpile yard; the other is dynamic dusting in the process of stacking and reclaiming. The former is mainly related to the material surface moisture content and environmental wind speed, while the latter is mainly related to the drop in operation and loading and unloading strength.

For bulk storage yards, only the external wind speed reaches a certain intensity. When the wind forces the particles on the surface of the material pile to move upwards enough to overcome the particles' own gravity and friction between the particles and other external forces that hinder the migration of the particles, the particles leave. The stacking surface rises, and the wind speed at this time is called the starting wind speed.

According to the experimental study of the dust diffusion law of the open-air stockpile, the relationship between the amount of dust from the stockpile and the wind speed is as follows:

Q = a (V—V0)

In the formula:

Q ……………… ..Dusting rate of pile material

V …………… ..wind speed

V0 ……………… Dusting wind speed

a ……………… coefficient related to dust particle size distribution

n ………………. Index (n> 1.2); It can be seen from the formula that the dust quantity Q from the stack is proportional to the higher power of the wind speed difference (v-v0). Because, reducing the actual wind speed of the stockyard is the most effective way to reduce the amount of dust.

It can also be seen from the above formula that the dust quantity Q of the pile becomes smaller, and the main method is to reduce the difference of "V-V0". The purpose of setting a windshield and dust suppression net is to reduce V, and the purpose of wet dust suppression is to increase V0, so as to reduce Q. Therefore, for open-air stockyards, the use of wind and dust suppression nets and humidification and dust suppression are the two main technical measures to reduce the amount of dust.

Product use of air filter:

It is mainly used for wind and dust suppression in coal storage plants of coal mines, coking plants, power plants and other enterprises; coal storage plants in ports and docks and various stockyards; dust suppression in various open-air stockyards of steel, building materials, cement and other enterprises; crops Windproof, sandy weather, dustproof, and other harsh environments; railway, highway coal storage stations, coal storage yards, construction sites, road dust, sides of highways, etc. The dust suppression effect of single-layer wind-proof dust suppression wall can reach 65-85%, and the effect of double-layer wind-proof dust suppression wall can reach more than 95%.

Product features of air filter:

1. Anti-ultraviolet (aging resistance): The surface of the product is plastic-sprayed, which can absorb the ultraviolet rays in the sunlight, reduce the material's own oxidation rate, and make the product have better anti-aging performance and longer service life. At the same time, the ultraviolet transmittance is low, which avoids the damage of sunlight in the material.

2. Because the flame retardancy is a metal plate, it has good flame retardancy, which can meet the requirements of fire protection and safe production.

3. Impact resistance: The product has high strength and can withstand the impact of hail (strong wind). In the impact strength test, a steel ball with a mass of 1 kg was used to drop freely at a height of 1.5 meters from the peak of the wave in the middle and upper part of the sample, and the product did not break or penetrate the cavity.

4. Anti-static: The surface of the product is treated by electrostatic spraying. After being exposed to sunlight, it can oxidize and decompose the organic dirt attached to the surface of the product. In addition, its super-hydrophilicity makes the dust easy to be washed by rain, and it is self-sustaining. Clean results, no maintenance costs.

Production process of air filter:

Shear plate bending: Shear plate and bending are important links in production, and advanced processing equipment determines the quality of the product.

Punching: It is the second link in the production of windproof nets. Professional production workers process high-quality punching products for you.

Forming: The third link of the windproof net: windproof product processing and forming equipment, which has double-peak and triple-peak continuous forming equipment. The length of the windproof net can be 10 meters or longer.

Cleaning: The fourth step in the production of wind and dust suppression nets is to prepare for the subsequent electrostatic spraying. The cleaning effect of the cleaning directly affects the quality of the surface spraying.

Electrostatic spraying: The fifth link of the wind and dust suppression net is to powder spray the surface so that the product can withstand various harsh environments without corrosion and rust.


Related tags: Which is the cheapest dustproof net, which is the cheapest in Luoyang ?

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