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High-efficiency dust suppressant and preparation method thereof

A dust-reducing agent and high-efficiency technology, applied in the field of air purification, can solve the problems of clogging the sprinkler spray device, low efficiency of water mist capturing particulate matter, and air quality purification effect that cannot meet the demand, and achieve outstanding results

Active Publication Date: 2022-06-28
SHIJIAZHUANG LANJIANG BIOLOGICAL ENVIRONMENT PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the dust only moistened by watering or the dust particles captured by water mist can only stay on the road for a short time. After the water is lost, the dust and dust particles will return to the air and become suspended particles, which is difficult to reduce. The concentration of inhalable particulate matter in the air and the purpose of purifying the environment; in addition, the efficiency of water mist to capture particulate matter is low, and the purification effect of air quality often cannot meet the demand, and the quality of underground water or tap water has certain scaling and corrosiveness, and it will be blocked after long-term use Sprinkler, fog cannon nozzle and spray device

Method used

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  • High-efficiency dust suppressant and preparation method thereof
  • High-efficiency dust suppressant and preparation method thereof
  • High-efficiency dust suppressant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] This embodiment relates to the preparation and use effects of the high-efficiency dust suppressant of the present invention.

[0033] Involving raw materials acrylic acid, aspartic acid or aspartic acid polycondensate, liquid caustic soda or sodium hydroxide, trisodium phosphate, nonylphenol polyoxyethylene ether, benzethonium chloride and liquid flavoring agents are typical products purchased in the market , considering the friendliness to the environment, the raw material aspartic acid is recommended to use L-aspartic acid, and the aspartic acid polycondensate can be selected from polyaspartic acid, polyaspartic acid sodium salt, polyaspartic acid Potassium salts, etc., with a molecular weight of 3000-5000.

[0034] To prepare the dust suppressant:

[0035] a. Preparation of material A: firstly add a partial amount of lye and acrylic acid in the polymerization reaction kettle, then add the entire amount of aspartic acid or aspartic acid polycondensate, then heat up t...

Embodiment 2

[0045] This embodiment relates to the influence of the preparation conditions of material A on the dust reduction effect. Table 3 below provides data on the individual dust-reducing effects of raw material acrylic acid and aspartic acid or aspartic acid polycondensate with different ratios, different reaction temperatures and times, and obtained different molecular weight materials A.

[0046]

[0047]

[0048] From the results in the above table, it can be seen that material A with a molecular weight between 300,000 and 1,000,000 has the highest dust reduction effect. The reason for the analysis is that the polymerization reaction under low temperature conditions is not complete, the molecular weight of the obtained polymer is too low, and the low molecular weight polyacrylic acid can not achieve the purpose of adsorption bridging, net trapping, coagulation and sedimentation, but is used as a dispersant to disperse the air. The small dust particles in the dust are wrapp...

Embodiment 3

[0050] This example relates to the influence of the change of surfactant and bactericide in material B on the dust reduction effect. The following table 4 shows the effect of material A and different materials B (compounded by other conventional surfactants and bactericides) in Example 1.1 The dust-reducing effect data of the dust-reducing agent composed of the obtained) were obtained.

[0051]

[0052]

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Abstract

The invention discloses a high-efficiency dust-reducing agent used for air dust-reduction by spraying. Its raw material composition includes material A and material B. The material A is made of raw material acrylic acid and aspartic acid or aspartic acid condensation It is prepared by reacting at an environment and temperature of 75-85°C, and the material B includes trisodium phosphate, benzethonium chloride, nonylphenol polyoxyethylene ether and the like. The obtained dust suppressant can quickly capture and settle the suspended particles in the air, purify the particle pollution concentration in the air, and play an effective cleaning and purification effect, and the dust suppressant is non-toxic and non-irritating to the human body, and has no effect on the spraying equipment. The impact of corrosion, especially in the mitigation of haze weather, has shown outstanding results.

Description

technical field [0001] The invention relates to the technical field of air purification, in particular to a high-efficiency dust-reducing agent and a preparation method of the high-efficiency dust-reducing agent. Background technique [0002] In recent years, people have gradually realized that suspended particulate matter in the atmosphere is harmful to human health, especially inhalable particulate matter. After being inhaled by the human body, it will accumulate in the respiratory system and cause many diseases such as heart disease, lung disease, and respiratory disease. Inhalable particulate matter generally refers to particulate matter with a particle size of less than 10 microns, commonly known as PM10, which usually comes from the driving process of motor vehicles on unpaved asphalt and cement roads, the crushing and grinding process of materials, and the dust raised by the wind. Because it can float in the air for a long time, the pollution to the atmospheric enviro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/22
CPCC09K3/22
Inventor 赵永强倪元李静刘岩
Owner SHIJIAZHUANG LANJIANG BIOLOGICAL ENVIRONMENT PROTECTION TECH CO LTD
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