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Dust suppressant for fog gun dust fall

A dust suppressant and dust reduction technology, which is applied in other chemical processes, chemical instruments and methods, etc., can solve the problems of collision and poor dust reduction effect, and achieve the effect of improving efficiency, preventing settlement and aggregation, and facilitating spray dust reduction

Pending Publication Date: 2019-12-13
淮南中科盛联环保科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, since the dust particles are mostly hydrophobic, the water spray can only play the role of collision, interception, partial adhesion, etc. to reduce dust.
Larger particles of dust will settle due to inertia and gravity after colliding with water mist. However, fine dust such as PM2.5 is difficult to overcome the effect of gravity, and the dust fall effect is relatively poor

Method used

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  • Dust suppressant for fog gun dust fall

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A kind of dust suppression agent used for fog cannon dust suppression provided in this embodiment is configured by the following raw materials in percentage by weight: 2% of inorganic dust binder, 1% of dispersant, 10% of amphiphilic surfactant, and the remaining The amount is water.

[0019] Among them, the amphiphilic surfactant is a cholate surfactant; the inorganic dust binder is made by mixing kaolin, attapulgite and gypsum in a ratio of 3:1:1, and the median particle size of the inorganic dust binder is The diameter is 2500 mesh; the dispersant is made by mixing and boiling water glass and sodium hexametaphosphate at a ratio of 2:1 at a temperature of 40°C.

Embodiment 2

[0021] A kind of dust suppression agent for fog cannon dust suppression provided by the present embodiment comprises the raw materials configured in the following percentages by weight: 4% of inorganic dust binder, 2% of dispersant, 15% of amphiphilic surfactant, and the remaining The amount is water.

[0022] Among them, the amphiphilic surfactant is a cholate surfactant; the inorganic dust binder is made by mixing kaolin, attapulgite and gypsum in a ratio of 3:1:1, and the median particle size of the inorganic dust binder is The diameter is 2500 mesh; the dispersant is made by mixing and boiling water glass and sodium hexametaphosphate at a ratio of 2:1 at a temperature of 50°C.

Embodiment 3

[0024] A kind of dust suppression agent for fog cannon dust suppression provided by the present embodiment is composed of the following raw materials by weight percentage: 6% of inorganic dust binder, 3% of dispersant, 20% of amphiphilic structure surfactant, and the remaining The amount is water.

[0025] Among them, the amphiphilic surfactant is a cholate surfactant; the inorganic dust binder is made by mixing kaolin, attapulgite and gypsum in a ratio of 3:1:1, and the median particle size of the inorganic dust binder is The diameter is 2500 mesh; the dispersant is made by mixing and boiling water glass and sodium hexametaphosphate at a ratio of 2:1 at a temperature of 60°C.

[0026] The method for using the dust suppressant for fog cannon dust suppression in the above three embodiments comprises the following steps:

[0027] S1. First mix the inorganic dust binder and dispersant in proportion, then add the inorganic dust binder and dispersant to the water in turn for full ...

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Abstract

The invention relates to a dust suppressant for fog gun dust fall, and belongs to the technical field of dust suppressants. The dust suppressant is prepared from 2-6 wt% of an inorganic dust binder, 1-3 wt% of a dispersant, 10-20 wt% of an amphiphilic structure surfactant, and the balance of water. Hydrophobic fine-grained dusts can be quickly wetted by water through the amphiphilic structure surfactant with oleophylic and hydrophilic functions, and the inorganic dust binder can accelerate the wet fine-grained dusts to coagulate and settle, so that the spray dust falling efficiency of a fog gun is improved; and the dispersant in the formula is used for uniformly dispersing the inorganic dust binder, and also can prevent the inorganic dust binder particles from settling and condensing, so the spray dust falling of a fog gun truck is benefited.

Description

technical field [0001] The invention belongs to the technical field of dust suppressants, and in particular relates to a dust suppressant for fog cannon dust suppression. Background technique [0002] The vast number of scientific and technological workers have been researching and applying in the field of dust removal for many years. The dust removal technology has been greatly developed, and the dust removal efficiency has gradually increased. However, there is still a lack of effective means for the removal of PM2.5 fine dust. At present, the measures taken to remove PM2.5 fine dust mainly include mechanical dust removal, wet dust removal, and fog cannon spray dust reduction. Among them, fog cannon spray dust reduction is a relatively common dust reduction method due to its convenient use and high dust reduction efficiency. [0003] However, since the dust particles are mostly hydrophobic, the clear water spray can only play the role of collision, interception, and part...

Claims

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Application Information

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IPC IPC(8): C09K3/22
CPCC09K3/22
Inventor 李江波
Owner 淮南中科盛联环保科技股份有限公司
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