CN115820212A - Solid coal dust suppressant - Google Patents
Solid coal dust suppressant Download PDFInfo
- Publication number
- CN115820212A CN115820212A CN202211584165.9A CN202211584165A CN115820212A CN 115820212 A CN115820212 A CN 115820212A CN 202211584165 A CN202211584165 A CN 202211584165A CN 115820212 A CN115820212 A CN 115820212A
- Authority
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- China
- Prior art keywords
- parts
- solid
- coal dust
- dust suppressant
- coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000007787 solid Substances 0.000 title claims abstract description 55
- 239000002817 coal dust Substances 0.000 title claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 230000007797 corrosion Effects 0.000 claims abstract description 7
- 239000002270 dispersing agent Substances 0.000 claims abstract description 7
- 239000003112 inhibitor Substances 0.000 claims abstract description 7
- 239000004094 surface-active agent Substances 0.000 claims abstract description 7
- 150000002894 organic compounds Chemical class 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 6
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 239000001913 cellulose Substances 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 6
- 239000003999 initiator Substances 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 4
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 claims description 3
- DBTMGCOVALSLOR-UHFFFAOYSA-N 32-alpha-galactosyl-3-alpha-galactosyl-galactose Natural products OC1C(O)C(O)C(CO)OC1OC1C(O)C(OC2C(C(CO)OC(O)C2O)O)OC(CO)C1O DBTMGCOVALSLOR-UHFFFAOYSA-N 0.000 claims description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- RXVWSYJTUUKTEA-UHFFFAOYSA-N D-maltotriose Natural products OC1C(O)C(OC(C(O)CO)C(O)C(O)C=O)OC(CO)C1OC1C(O)C(O)C(O)C(CO)O1 RXVWSYJTUUKTEA-UHFFFAOYSA-N 0.000 claims description 3
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- 239000008121 dextrose Substances 0.000 claims description 3
- 239000008103 glucose Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 3
- FYGDTMLNYKFZSV-UHFFFAOYSA-N mannotriose Natural products OC1C(O)C(O)C(CO)OC1OC1C(CO)OC(OC2C(OC(O)C(O)C2O)CO)C(O)C1O FYGDTMLNYKFZSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004137 mechanical activation Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical group [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 3
- 238000010532 solid phase synthesis reaction Methods 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- FYGDTMLNYKFZSV-BYLHFPJWSA-N β-1,4-galactotrioside Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@H](CO)O[C@@H](O[C@@H]2[C@@H](O[C@@H](O)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O FYGDTMLNYKFZSV-BYLHFPJWSA-N 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 30
- 239000000428 dust Substances 0.000 abstract description 19
- 230000035699 permeability Effects 0.000 abstract description 9
- 238000004090 dissolution Methods 0.000 abstract description 7
- 238000005507 spraying Methods 0.000 abstract description 7
- 238000007711 solidification Methods 0.000 abstract description 6
- 230000008023 solidification Effects 0.000 abstract description 6
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 238000006731 degradation reaction Methods 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 2
- 239000007798 antifreeze agent Substances 0.000 description 2
- 239000013000 chemical inhibitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention relates to the technical field of dust control, in particular to a solid coal dust suppressant, which comprises a liquid component and a solid powder component; the liquid component comprises 30 to 65 parts of encrusting agent and 45 to 65 parts of antifreezing agent by mass part; the solid powder comprises, by mass, 3-5 parts of a dispersing agent, 2-3 parts of a corrosion inhibitor, 1 part of a surfactant and 60-80 parts of solid sugar. The invention not only can effectively adsorb the coal dust to ensure that the coal dust is not easy to blow away, but also forms a solidification shell with a net-shaped structure, has good permeability while fixing and locking the dust, is convenient for the dissipation of heat among the coal dust in the coal transportation process, and simultaneously can not influence the later use and combustion of the coal. The problems of difficult dissolution, blockage of spraying pipelines, poor permeability of a curing shell, large smell, difficult degradation and the like of the existing solid dust suppressant can be solved.
Description
Technical Field
The invention relates to the technical field of dust treatment, in particular to a solid coal dust suppressant.
Background
With the progress of industry, the environmental pollution problem becomes more serious, and the air pollution problem is one of the most important problems in the environmental problem, wherein the dust pollution seriously harms the safety production of industry and the breathing and health of human beings, and the effective prevention and treatment of the dust pollution is an indispensable aspect in the treatment of the air pollution.
Coal is one of the larger industrial raw materials used in modern industry, and a large amount of dust is generated in the production and transportation process of coal. Generally, in railway coal transportation, dust is inhibited by traditionally spraying water, however, as the transportation time increases, bumping of trains, serious water evaporation, reduced dust inhibiting effect, pulverized coal flying, further polluting the environment, causing pulverized coal loss and the like. For this reason, some chemical inhibitors have been invented to help suppress the dust produced by coal. The existing chemical inhibitor is generally sprayed on the surfaces of coal and coal dust by using high molecular polymers, and the high molecular polymers are not bonded, polymerized and solidified into shells, so that the coal dust is firmly locked and is not blown around. At present, products of the type are circulated in the market, and the products on the market still have some problems, such as difficult dissolution, blockage of a pipeline at a spraying end caused by high curing speed when a solid dust suppressant is prepared into a solution for spraying, poor permeability of a formed cured shell, obvious pungent smell, non-natural degradation of the cured shell, new pollution caused by burning of coal by using an end user and the like.
Disclosure of Invention
The solid coal dust suppressant provided by the invention can effectively adsorb coal dust, so that the coal dust is not easy to blow away, and the formed solidified shell is of a net structure, has good permeability while fixing and locking dust, is convenient for heat dissipation among the coal dust in the coal transportation process, and does not influence the later use and combustion of coal. The problems of difficult dissolution, blockage of spraying pipelines, poor permeability of a curing shell, large smell, difficult degradation and the like of the existing solid dust suppressant can be solved.
In order to achieve the purpose, the invention provides the following technical scheme: a solid coal dust suppressant comprises a liquid component and a solid powder component; the liquid component comprises 30 to 65 parts of encrusting agent and 45 to 65 parts of antifreezing agent by mass part; the solid powder component comprises, by mass, 3-5 parts of a dispersing agent, 2-3 parts of a corrosion inhibitor, 1 part of a surfactant and 60-80 parts of solid sugar.
Preferably, the preparation method of the liquid component comprises the following steps: fully stirring and mixing the encrusting agent and the antifreezing agent heated to 60-80 ℃ in an ultrasonic oscillation environment, and cooling to room temperature to form a solution component.
Preferably, the preparation method of the solid powder component comprises the following steps: mixing and stirring a 10-30% sodium hydroxide solution, a dispersant, a corrosion inhibitor, a surfactant and solid sugar uniformly to obtain a slurry; heating and evaporating the liquid slurry at 90-120 ℃ to obtain a residual product; and crushing and grinding the residual product to obtain the solid powder component.
Preferably, the solid sugar comprises the following components in parts by weight: dextrose 1 to 30 parts, maltose 1 to 30 parts, maltotriose 1 to 30 parts, and glucose polymer 30 to 90 parts.
Preferably, the solid powder component further comprises a hygroscopic material selected from one or more of magnesium chloride, sodium chloride, calcium chloride and potassium chloride.
Preferably, the encrusting agent is a modified high molecular organic compound obtained by graft copolymerization of starch or cellulose high molecules.
Preferably, the preparation method of the modified polymer organic compound comprises the following steps: the method comprises the steps of modifying a high-molecular organic compound by a mechanical activation solid phase method, namely taking a certain amount of cellulose, adding 1-3 times of acrylamide, mixing, adding an initiator, wherein the initiator is potassium persulfate or sodium bisulfite, stirring and mixing uniformly, placing the mixture into an ultrasonic vibration sieve, vibrating for 1-3 hours, taking out and sieving to obtain the modified high-molecular organic compound.
The invention has the beneficial effects that: not only can effectively adsorb the buggy, make the buggy difficult being blown away to the solidification shell that forms is network structure, has good permeability when fixed pinning dust, and the heat distributes between the coal dust in the coal transportation of being convenient for, also can not influence the use burning in coal later stage simultaneously. The problems of difficult dissolution, blockage of spraying pipelines, poor permeability of a curing shell, large smell, difficult degradation and the like of the existing solid dust suppressant can be solved. In the using process, the solid powder component can be uniformly covered on the surface of coal volatilized to be transported, the solution component is sprayed to the surface of the coal through the spray head, after the solid powder component is contacted with the solution component, the dissolution reaction is carried out, and a layer of viscous protective film is rapidly formed on the surface of the coal, wherein the antifreeze agent component prolongs the acting time, the protective film fully covers the surface of the coal, the solid sugar is attached to the surface of the coal after secondary solidification, and the coal surface solidification can be carried out without influencing the use of the coal in the later period. In addition, the independent solution component and the solid powder component can be separately constructed, so that the problem that the traditional dust suppressant is easy to cause nozzle blockage is avoided.
Detailed Description
The technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A solid coal dust suppressant comprises a liquid component and a solid powder component; the liquid component comprises 30 to 65 parts of encrusting agent and 45 to 65 parts of antifreezing agent by mass part; the solid powder comprises, by mass, 3-5 parts of a dispersing agent, 2-3 parts of a corrosion inhibitor, 1 part of a surfactant and 60-80 parts of solid sugar.
The preparation method of the liquid component comprises the following steps: the encrusting agent and the antifreezing agent heated to 60-80 ℃ are fully stirred and mixed in an ultrasonic oscillation environment, and the mixture is cooled to room temperature to form a solution component. The preparation method of the solid powder component comprises the following steps: mixing and stirring a 10-30% sodium hydroxide solution, a dispersant, a corrosion inhibitor, a surfactant and solid sugar uniformly to obtain a slurry; heating and evaporating the slurry at 90-120 ℃ to obtain a residual product; and (3) crushing and grinding the residual product to obtain the solid powder component.
The solid coal dust suppressant prepared from the raw materials can effectively adsorb coal dust, so that the coal dust is not easy to blow away, and a formed solidified shell is of a net structure, has good permeability while fixing and locking dust, is convenient for dissipation of heat among the coal dust in the coal transportation process, and can not influence the use and combustion in the later period of coal. The problems of difficult dissolution, blockage of spraying pipelines, poor permeability of a curing shell, large smell, difficult degradation and the like of the existing solid dust suppressant can be solved.
In the using process, the solid powder component can be uniformly covered on the surface of coal volatilized to be transported, the solution component is sprayed to the surface of the coal through the spray head, after the solid powder component is contacted with the solution component, the dissolution reaction is carried out, and a layer of viscous protective film is rapidly formed on the surface of the coal, wherein the antifreeze agent component prolongs the acting time, the protective film fully covers the surface of the coal, the solid sugar is attached to the surface of the coal after secondary solidification, and the coal surface solidification can be carried out without influencing the use of the coal in the later period.
The independent solution component and the solid powder component can be separately constructed, so that the problem that the traditional dust suppressant is easy to cause nozzle blockage is avoided.
The solid sugar comprises the following components in parts by weight: dextrose 1 to 30 parts, maltose 1 to 30 parts, maltotriose 1 to 30 parts, and glucose polymer 30 to 90 parts. The solid powder component further comprises a hygroscopic material selected from one or more of magnesium chloride, sodium chloride, calcium chloride and potassium chloride. The encrusting agent is a modified high molecular organic compound obtained by graft copolymerization of starch or cellulose high molecules.
The preparation method of the modified high-molecular organic compound comprises the following steps: the method comprises the steps of modifying a high-molecular organic compound by a mechanical activation solid phase method, namely taking a certain amount of cellulose, adding 1-3 times of acrylamide, mixing, adding an initiator, wherein the initiator is potassium persulfate or sodium bisulfite, stirring and mixing uniformly, placing the mixture into an ultrasonic vibration sieve, vibrating for 1-3 hours, taking out and sieving to obtain the modified high-molecular organic compound.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A solid coal dust suppressant is characterized by comprising a liquid component and a solid powder component; the liquid component comprises 30 to 65 parts of encrusting agent and 45 to 65 parts of antifreezing agent by mass part;
the solid powder comprises, by mass, 3-5 parts of a dispersing agent, 2-3 parts of a corrosion inhibitor, 1 part of a surfactant and 60-80 parts of solid sugar.
2. The solid coal dust suppressant of claim 1, characterized in that: the preparation method of the liquid component comprises the following steps: the encrusting agent and the antifreezing agent heated to 60-80 ℃ are fully stirred and mixed in an ultrasonic oscillation environment, and the mixture is cooled to room temperature to form a solution component.
3. The solid coal dust suppressant of claim 1, characterized in that: the preparation method of the solid powder component comprises the following steps: mixing and stirring a 10-30% sodium hydroxide solution, a dispersing agent, a corrosion inhibitor, a surfactant and solid sugar uniformly to obtain a slurry; heating and evaporating the slurry at 90-120 ℃ to obtain a residual product; and crushing and grinding the residual product to obtain the solid powder component.
4. The solid coal dust suppressant of claim 3, wherein said solid sugar comprises, in parts by weight: dextrose 1 to 30 parts, maltose 1 to 30 parts, maltotriose 1 to 30 parts, and glucose polymer 30 to 90 parts.
5. The solid coal dust suppressant of claim 3, characterized in that: the solid powder component further comprises a hygroscopic material selected from one or more of magnesium chloride, sodium chloride, calcium chloride and potassium chloride.
6. The solid coal dust suppressant of claim 1, characterized in that: the encrusting agent is a modified high molecular organic compound obtained by graft copolymerization of starch or cellulose high molecules.
7. The solid coal dust suppressant of claim 6, characterized in that: the preparation method of the modified high molecular organic compound comprises the following steps: the method comprises the steps of modifying a high-molecular organic compound by a mechanical activation solid phase method, namely taking a certain amount of cellulose, adding 1-3 times of acrylamide, mixing, adding an initiator, wherein the initiator is potassium persulfate or sodium bisulfite, stirring and mixing uniformly, placing the mixture into an ultrasonic vibration sieve, vibrating for 1-3 hours, taking out and sieving to obtain the modified high-molecular organic compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211584165.9A CN115820212A (en) | 2022-12-09 | 2022-12-09 | Solid coal dust suppressant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211584165.9A CN115820212A (en) | 2022-12-09 | 2022-12-09 | Solid coal dust suppressant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115820212A true CN115820212A (en) | 2023-03-21 |
Family
ID=85546220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211584165.9A Pending CN115820212A (en) | 2022-12-09 | 2022-12-09 | Solid coal dust suppressant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115820212A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1468867A (en) * | 2002-06-06 | 2004-01-21 | �ֵ����� | Soluble high branched glucose polymer and its producing process |
| CN101845291A (en) * | 2009-10-30 | 2010-09-29 | 莱芜钢铁股份有限公司 | Dust inhibitor and preparation method thereof |
| US20150115197A1 (en) * | 2013-10-28 | 2015-04-30 | Natural Alternatives, Llc | Dust suppression composition and method |
| CN108192569A (en) * | 2018-01-22 | 2018-06-22 | 天津圣洁环保科技有限公司 | Dust suppressant and preparation method thereof, application method and application |
| CN108192570A (en) * | 2018-01-22 | 2018-06-22 | 天津圣洁环保科技有限公司 | Dust suppressant and preparation method thereof, application method and application |
| CN109628066A (en) * | 2019-01-21 | 2019-04-16 | 北京睿鸿星科技有限公司 | Antifreeze dust inhibitor and the preparation method and application thereof |
| CN112300759A (en) * | 2020-11-25 | 2021-02-02 | 天津辰宇化工商贸有限公司 | Liquid railway coal dust suppressant and preparation method thereof |
| CN112300760A (en) * | 2020-11-25 | 2021-02-02 | 天津辰宇化工商贸有限公司 | Solid railway coal dust suppressant and preparation method thereof |
-
2022
- 2022-12-09 CN CN202211584165.9A patent/CN115820212A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1468867A (en) * | 2002-06-06 | 2004-01-21 | �ֵ����� | Soluble high branched glucose polymer and its producing process |
| CN101845291A (en) * | 2009-10-30 | 2010-09-29 | 莱芜钢铁股份有限公司 | Dust inhibitor and preparation method thereof |
| US20150115197A1 (en) * | 2013-10-28 | 2015-04-30 | Natural Alternatives, Llc | Dust suppression composition and method |
| CN108192569A (en) * | 2018-01-22 | 2018-06-22 | 天津圣洁环保科技有限公司 | Dust suppressant and preparation method thereof, application method and application |
| CN108192570A (en) * | 2018-01-22 | 2018-06-22 | 天津圣洁环保科技有限公司 | Dust suppressant and preparation method thereof, application method and application |
| CN109628066A (en) * | 2019-01-21 | 2019-04-16 | 北京睿鸿星科技有限公司 | Antifreeze dust inhibitor and the preparation method and application thereof |
| CN112300759A (en) * | 2020-11-25 | 2021-02-02 | 天津辰宇化工商贸有限公司 | Liquid railway coal dust suppressant and preparation method thereof |
| CN112300760A (en) * | 2020-11-25 | 2021-02-02 | 天津辰宇化工商贸有限公司 | Solid railway coal dust suppressant and preparation method thereof |
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