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Oily dust suppressant and preparation method thereof

A dust suppressant, oil-based technology, applied in the field of environmental pollution control, can solve the problems of short effective dust suppression time, low film forming strength, insufficient film strength, etc., and achieve long dust suppression time, high film forming strength and easy to dissolve. Effect

Active Publication Date: 2020-10-16
INNER MONGOLIA BORAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010]At the same time, there are also solid dust suppressants used in actual transportation, most of which are made of starch as the main component, together with some other additives, not only the film-forming strength is low , and the viscosity of the dissolved water is too high, it is not easy to spray, and it will also produce soft sediment, and even block the nozzle, causing inconvenience to the spray
[0011]The various dust suppressants disclosed or used above can play a certain role in reducing transportation loss and pollution, but they are all water-based dust suppressants, not only dry The final film strength is not enough, and the effective dust suppression time is short, and there is still coal dust along the railway, especially in and near the tunnel.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Add 2g of glycerin and 50g of water into a three-necked bottle, slowly add 1g of polyvinyl alcohol with stirring, and dissolve for 30min. Add 42g of waste lubricating oil, heat to 80~90℃ and stir for 15min to make it fully mixed. Cool down to 65°C, add 8g petroleum sodium sulfonate and 1g sodium benzoate, and stir for 40min. Then add a compound emulsifier composed of 12.8g T-80 and 3.2g S-80, stir for 40 minutes, and stand for cooling to obtain an oily dust suppressant product.

[0040] The main technical indicators of the product: Density (20℃) 1.002g / cm 3 ; Viscosity (20℃) 6.2mPa·s; pH value 6.61; wind erosion rate 0.7%; product standing for 72h without layering; product with 5 times the volume of water evenly dispersed, standing for 72h without layering. Other indicators meet the requirements of the Ministry of Railways industry standard TB / T 3210.1-2020 "Technical Conditions for Dust Suppression in Railway Coal Transportation Part 1: Dust Suppressants".

Embodiment 2

[0042] Add 2g of glycerin and 30g of water into a three-necked flask, and add 2g of sodium carboxymethyl cellulose to dissolve for 30 minutes while stirring. Add 60g waste lubricating oil and 20g lubricating base oil, heat to 80~90℃ and stir for 15min to make it fully mixed. Cool to 65°C, add 10g petroleum sodium sulfonate and 0.75g sodium benzoate, and stir for 40min. Then add a compound emulsifier composed of 12.8g T-80 and 3.2g S-80, stir for 40 minutes, and stand for cooling to obtain an oily dust suppressant product.

[0043] The main technical indicators of the product: Density (20℃) 1.01g / cm 3 ; Viscosity (20℃) 42mPa·s; pH value 8.64; wind erosion rate 0.4%; the product is left to stand for 72h without layering; the product is evenly dispersed in 2 times the volume of water, and the product is left for 72h without layering. Other indicators meet the requirements of the Ministry of Railways industry standard TB / T 3210.1-2020 "Technical Conditions for Dust Suppression in Ra...

Embodiment 3

[0045] Add 3 g of glycerin and 20 g of water into a three-necked flask, and add 1.5 g of sodium carboxymethyl cellulose to dissolve for 30 minutes while stirring. Add 75g waste lubricating oil, heat to 80~90℃ and stir for 15min to make it fully mixed. Cool to 65°C, add 6g petroleum sodium sulfonate and 0.75g sodium benzoate, and stir for 40min. Then add a compound emulsifier composed of 8g T-80 and 2g S-80, stir for 40 minutes, and stand for cooling to obtain an oily dust suppressant product.

[0046] The main technical indicators of the product: Density (20℃) 0.995g / cm 3 ; Viscosity (20℃) 30mPa·s; pH 8.76; wind erosion rate 0.6%; the product is allowed to stand for 72 hours without layering; the product is evenly dispersed in 5 times the volume of water and does not separate for 72 hours. Other indicators meet the requirements of the Ministry of Railways industry standard TB / T 3210.1-2020 "Technical Conditions for Dust Suppression in Railway Coal Transportation Part 1: Dust Sup...

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Abstract

The invention discloses an oily dust suppressant which is prepared by mixing and emulsifying the following raw material components in parts by weight: 15-80 parts of waste lubricating oil and / or lubricating oil base oil; 8-16 parts by weight of a nonionic emulsifier; 1-5 parts by weight of glycerol; 0.5-2 parts by weight of a viscosity modifier; 10-65 parts by weight of water. The oily dust suppressant disclosed by the invention is small in spraying dosage, high in film-forming strength, strong in cohesiveness, long in effective dust suppression time and ideal in dust suppression effect.

Description

Technical field [0001] The invention relates to a dust suppressant for suppressing dust during coal transportation, and belongs to the technical field of environmental pollution control. Background technique [0002] Dust pollution is one of the main factors leading to environmental pollution. In the production and storage sites such as ports, power plants, cement plants, coal storage yards, and railway and road transportation, a large amount of dust is often generated, which not only directly threatens the safety of production, but also causes great pollution to the surrounding environment. [0003] During the coal transportation process, due to the turbulence of the coal truck itself and the influence of wind weather, especially when the coal truck passes through the tunnel, the coal dust will fly and accumulate in the tunnel due to the strong piston wind of the wind tunnel effect, causing a large amount of coal. Losses, strong pungent smell in the tunnel, serious pollution of c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/22B65G69/18
CPCC09K3/22B65G69/18
Inventor 陈守东侯凤杨月华许献文
Owner INNER MONGOLIA BORAN TECH CO LTD