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Moisturizing dust suppressant and preparation method thereof

A dust suppressant, wet-type technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of large water consumption, short dust retention time, etc., to increase the dust suppression period, prolong the dust suppression time, compatible good effect

Active Publication Date: 2019-11-12
北京中科盛联集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In terms of road dust suppression, the main measure to reduce road dust and inhalable particulate matter is water sprinkling. The advantage of this method is that it is simple and easy to implement. The disadvantage is that the maintenance time of dust suppression is short and the water consumption is large. Therefore, it is necessary to invent an efficient dust suppression method. dust suppressant

Method used

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  • Moisturizing dust suppressant and preparation method thereof
  • Moisturizing dust suppressant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Moisturizing dust suppressant, comprising the following components by weight percentage:

[0032] Paraffin oil 4%, castor oil 1%, tricosanol 0.2%, pentacosanol 0.5%, octadecyl trichlorosilane 0.5%, lauryl alcohol 0.1%, polyvinyl alcohol 0.1%, inorganic salt additives 0.05%, filler 0.1%, the rest water;

[0033] Wherein, the preparation method of described filler is:

[0034] S1, put the mullite that is 5 parts by weight, 3 parts of volcanic stone pulverized and placed in the sulfuric acid solution of 2% mass concentration after soaking 5min, then be placed in the sodium hydroxide solution of 3% mass concentration and soak 10min , after filtering, set aside;

[0035] S2. Put 1 part by weight of corn stalks and 1 part of sugarcane stalks into an airtight container after pulverization, feed water vapor to make the pressure in the airtight container 1 MPa, keep it for 1 hour, release the pressure to 15 Pa within 10 seconds, and keep it for 2 minutes , continue to feed wa...

Embodiment 2

[0049] Moisturizing dust suppressant, comprising the following components by weight percentage:

[0050] Paraffin oil 5%, castor oil 2%, tricosanol 0.4%, pentacosanol 0.8%, octadecyltrichlorosilane 0.8%, lauryl alcohol 0.3%, polyvinyl alcohol 0.3%, inorganic salt additives 0.08%, filler 0.3%, the rest water;

[0051] Wherein, the preparation method of described filler is:

[0052] S1, put the mullite that is 8 parts by weight, 4 parts of volcanic stone pulverized and placed in the sulfuric acid solution of 3% mass concentration after soaking 8min, then be placed in the sodium hydroxide solution of 4% mass concentration and soak 13min , after filtering, set aside;

[0053] S2. Put 1 part by weight of corn stalks and 2 parts of sugarcane stalks into an airtight container after pulverization, feed water vapor to make the pressure in the airtight container 1.2MPa, keep it for 1.3h, and release the pressure to 18Pa within 15s. Keep it for 3 minutes, continue to introduce water v...

Embodiment 3

[0067] Moisturizing dust suppressant, comprising the following components by weight percentage:

[0068] Paraffin oil 6%, castor oil 3%, tricosanol 0.6%, pentadecyl alcohol 1%, octadecyltrichlorosilane 1%, lauryl alcohol 0.5%, polyvinyl alcohol 0.5%, inorganic salt additives 0.1%, filler 0.5%, the rest water;

[0069] Wherein, the preparation method of described filler is:

[0070] S1, after pulverizing 10 parts by weight of mullite and 5 parts of volcanic rock, soak in a sulfuric acid solution with a mass concentration of 5% for 10 minutes, and then place it in a sodium hydroxide solution with a mass concentration of 3 to 6%. Soak for 15 minutes, filter and set aside;

[0071] S2. Put 2 parts by weight of corn stalks and 2 parts of sugarcane stalks into an airtight container after crushing, feed water vapor to make the pressure in the airtight container 1.5MPa, keep it for 1.5h, and release the pressure to 20Pa within 20s. Keep it for 5 minutes, continue to introduce water...

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Abstract

The invention discloses a moisturizing dust suppressant which comprises the following components: paraffin oil, castor oil, tricosanol, pentacosanol, octadecyl trichlorosilane, lauryl alcohol, polyvinyl alcohol, an inorganic salt additive, a filler and water. The invention also discloses a preparation method of the moisturizing dust suppressant. According to the preparation method, mullite and volcanic rock as raw materials are subjected to acid and alkali treatment, corn straw and sugarcane straw are subjected to high-pressure water steam closed blasting treatment, and then are mixed with themullite and the volcanic rock for calcining to form a porous structure, and substances such as the paraffin oil, the castor oil, the tricosanol, the pentacosanol and the octadecyl trichlorosilane canbe adsorbed; and during use, the adsorbed substances such as the paraffin oil, the castor oil and the tricosanol are gradually released, so that dust is wetted, and dust suppression period can be increased and dust suppression time can be prolonged by adding the filler.

Description

technical field [0001] The invention relates to the technical field of dust suppressants, more specifically, the invention relates to a moisturizing dust suppressant and a preparation method thereof. Background technique [0002] At present, inhalable particulate matter is also a serious pollutant that endangers people's health. The largest sources of inhalable particulate matter are coal combustion and automobile exhaust emissions. Among them, automobiles, as a common means of transportation, produce pollutants not only from exhaust emissions, but also from dust brought in during driving and friction between tires and road surfaces. of carbon dust. [0003] In terms of road dust suppression, the main measure to reduce road dust and inhalable particulate matter is water sprinkling. The advantage of this method is that it is simple and easy to implement. The disadvantage is that the dust retention time is short and the water consumption is large. Therefore, it is necessary t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/22
CPCC09K3/22
Inventor 李江波
Owner 北京中科盛联集团有限公司
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