CN111995984A - High-concentration antifreezing liquid coal dust suppressant - Google Patents
High-concentration antifreezing liquid coal dust suppressant Download PDFInfo
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- CN111995984A CN111995984A CN201911010198.0A CN201911010198A CN111995984A CN 111995984 A CN111995984 A CN 111995984A CN 201911010198 A CN201911010198 A CN 201911010198A CN 111995984 A CN111995984 A CN 111995984A
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- dust suppressant
- coal dust
- liquid coal
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- 239000002817 coal dust Substances 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 title claims abstract description 24
- 239000000428 dust Substances 0.000 claims abstract description 27
- 239000002270 dispersing agent Substances 0.000 claims abstract description 9
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 229920002785 Croscarmellose sodium Polymers 0.000 claims abstract description 8
- 235000010947 crosslinked sodium carboxy methyl cellulose Nutrition 0.000 claims abstract description 8
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 8
- 239000000839 emulsion Substances 0.000 claims abstract description 8
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims abstract description 8
- 239000000375 suspending agent Substances 0.000 claims abstract description 8
- 239000000080 wetting agent Substances 0.000 claims abstract description 8
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229960001681 croscarmellose sodium Drugs 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000010008 shearing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 230000001804 emulsifying effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- -1 polyoxyethylene Polymers 0.000 claims description 6
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 238000004945 emulsification Methods 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 229940049964 oleate Drugs 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- 229920002367 Polyisobutene Polymers 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000001767 crosslinked sodium carboxy methyl cellulose Substances 0.000 claims description 3
- 150000002191 fatty alcohols Chemical class 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 239000010779 crude oil Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 claims description 2
- 230000002528 anti-freeze Effects 0.000 claims 8
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 7
- 230000001629 suppression Effects 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 5
- 241000251468 Actinopterygii Species 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 238000009736 wetting Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 description 1
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000000783 alginic acid Substances 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L calcium lactate Chemical compound [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 description 1
- 239000001527 calcium lactate Substances 0.000 description 1
- 229960002401 calcium lactate Drugs 0.000 description 1
- 235000011086 calcium lactate Nutrition 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- RZRNAYUHWVFMIP-UHFFFAOYSA-N monoelaidin Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-UHFFFAOYSA-N 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
Abstract
The invention relates to the technical field of coal dust suppression, in particular to a high-concentration antifreezing liquid coal dust suppressant, which can effectively suppress coal dust and has good antifreezing performance; the material comprises the following components in parts by weight: isoparaffin: 35-55 parts of a solvent; emulsifier: 1-10 parts; wetting agent: 1-10 parts; styrene-acrylic emulsion: 5-20 parts of a solvent; croscarmellose sodium: 5-15 parts of a solvent; polyacrylamide: 1-5 parts; suspending agent: 1-5 parts; dispersing agent: 1-10 parts; the concentration of effective substances is high, and the effective substances can be diluted by high times, so that the transportation and construction are convenient; the product has good dispersibility, can be quickly dissolved, and solves the problems that solid powder products are easy to agglomerate into fish eyes and are slow to disperse; the antifreezing property is good, the dust suppressant can be used at the temperature of below 30 ℃ below zero, and the problem that the liquid dust suppressant cannot be used in winter is solved; after the product is prepared into a solution and sprayed, the dust suppression effect is good, the crusting strength is high, the adsorption wetting effect is good, and the dust suppression effect is superior to that of the conventional liquid dust suppressant under the same addition amount.
Description
Technical Field
The invention relates to the technical field of coal dust suppression, in particular to a high-concentration antifreezing liquid coal dust suppressant.
Background
Coal inevitably generates a lot of dust in the stacking and transporting processes, and the generation of the dust not only causes the waste of coal resources, but also generates the produced dust which is a great pollution source of the environment. Therefore, the surface solidification research on the dust emission problem in coal stacking and transportation is significant.
In order to solve the problem of coal dust raising, a surface water spraying method is firstly used to wet the surface of coal dust so as to reduce dust, but the method has poor effect. To address this problem, the prior art discloses a series of coal dust suppression agents:
the invention patent CN201811145856.2 discloses a moisture-preserving water-in-oil emulsion dust suppressant: comprises 800-1200 parts by weight of water, 1-3 parts by weight of alginic acid, 2-4 parts by weight of calcium lactate, 0.5-1.5 parts by weight of dispersant, 400-600 parts by weight of soybean oil and 50-150 parts by weight of glycerol.
The invention patent CN200910080877.5 discloses a liquid coal dust suppressant: 0.5-1.5% sodium carboxymethylcellulose; 5-1.5% sodium carboxymethyl starch; 0.1-0.3% of glycerol.
The invention patent CN201811171817.X discloses a coal dust suppressant: the effective component is a solid powder auxiliary agent. The mixed powder comprises the following components in percentage by mass: 35-50% of sodium carboxymethylcellulose, 23-30% of sodium carboxymethyl starch, 19-25% of sodium silicate, 7-11% of citric acid and 0.4-1.0% of polyacrylamide.
The invention patent CN201510319326.5 discloses a dust suppressant: 0.05-0.15 part of polyanionic cellulose, 0.09-0.78 part of triton X-1000.01 part, 0.03-0.07 part of functional assistant and 100 parts of water.
According to the above knowledge, the dust suppressant in the prior art mainly has two dosage forms of solid and liquid, but has the following disadvantages: the content of effective substances of the solid dust suppressant is high, but the problem that the solid dust suppressant is low in dissolving speed and easy to form fish eyes to cause waste exists; the liquid dust suppressant has high dissolution speed, but also has the problems of poor anti-freezing performance and low content of effective substances.
Disclosure of Invention
In order to solve the technical problems, the invention provides the high-concentration anti-freezing liquid coal dust suppressant which can effectively suppress coal dust and has good anti-freezing performance.
The invention relates to a high-concentration antifreezing liquid coal dust suppressant, which comprises the following components in parts by weight:
isoparaffin: 35-55 parts of a solvent;
emulsifier: 1-10 parts;
wetting agent: 1-10 parts;
styrene-acrylic emulsion: 5-20 parts of a solvent;
croscarmellose sodium: 5-15 parts of a solvent;
polyacrylamide: 1-5 parts;
suspending agent: 1-5 parts;
dispersing agent: 1-10 parts;
the preparation method of the dust suppressant comprises the following steps:
s1, pre-emulsification at normal temperature: under the condition of normal temperature, adding isoparaffin into a reaction kettle respectively, starting stirring, slowly adding an emulsifier, a wetting agent, a styrene-acrylic emulsion, cross-linked sodium carboxymethylcellulose and polyacrylamide, and stirring for 30-60 minutes for later use;
s2, low-temperature emulsification and shearing: adding the suspending agent into a reaction kettle while stirring, heating to 80 ℃, stirring at constant temperature for 30 minutes, cooling to-3 ℃, and emulsifying and shearing for more than two times by using a shearing emulsifying pump;
s3, dispersing and mixing: heating the materials in the reaction kettle to 20-40 ℃, adding the dispersing agent while stirring, stirring for 30 minutes to obtain the produced product, then metering, filling into a packaging barrel, sampling, detecting and warehousing.
Furthermore, the isoparaffin is low-condensation-point oil obtained by subjecting crude oil distillate to hydroisomerization dewaxing.
Further, the emulsifier is one or a mixture of two of monoglyceride oleate, diglyceride oleate and polyoxyethylene fatty acid ether.
Further, the wetting agent is a mixture of fatty alcohol-polyoxyethylene ether and fatty acid diethanolamide.
Further, the styrene-acrylic emulsion is a mixture of styrene and acrylic ester with the concentration of 40% and the mass ratio of 1: 1.
Furthermore, the croscarmellose sodium is a product with the purity of more than 90% and the substitution degree of more than 0.5.
Furthermore, the polyacrylamide is a product with molecular weight more than 500 ten thousand and hydrolysis degree more than 20%.
Further, the suspending agent includes a tackifier such as organobentonite, rubber, polyisobutylene, and the like.
Further, the dispersing agent comprises alkylphenol polyoxyethylene and fatty alcohol polyoxyethylene.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a high-concentration low-pour-point liquid coal dust suppressant, which has the following advantages compared with the conventional coal dust suppressant:
1. the concentration of effective substances of the product is high, and the product can be diluted by a high multiple, so that the transportation and construction are convenient;
2. the product has good dispersibility, can be quickly dissolved, and solves the problems that solid powder products are easy to agglomerate into fish eyes and are slow to disperse;
3. the antifreezing property is good, the dust suppressant can be used at the temperature of below 30 ℃ below zero, and the problem that the liquid dust suppressant cannot be used in winter is solved;
4. after the product is prepared into a solution and sprayed, the dust suppression effect is good, the crusting strength is high, the adsorption wetting effect is good, and the dust suppression effect is superior to that of the conventional liquid dust suppressant under the same addition amount.
Drawings
FIG. 1 is a flow diagram of the production of the dust suppressant of the present invention;
FIG. 2 is a table comparing samples obtained in examples of the present invention with similar products.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Examples
As shown in fig. 1, under a normal temperature condition, respectively adding 50 parts of isoparaffin into a reaction kettle, starting stirring, slowly adding 3 parts of emulsifier (a mixture of oleic acid monoglyceride and oleic acid diglyceride), 2 parts of fatty alcohol-polyoxyethylene ether wetting agent, 15 parts of styrene-acrylic emulsion (with the content of 40%), 15 parts of cross-linked sodium carboxymethylcellulose and 5 parts of polyacrylamide, and stirring for 30-60 minutes;
adding 3 parts of polyisobutylene suspending agent into a reaction kettle while stirring, heating to 80 ℃, stirring at constant temperature for 30 minutes, cooling to-3 ℃, and emulsifying and shearing for more than two times by using a shearing emulsifying pump.
Heating the materials in the reaction kettle to 20-40 ℃, adding 5 parts of alkylphenol polyoxyethylene ether dispersing agent while stirring, stirring for 30 minutes to obtain the product, metering, filling into a packaging barrel, sampling, detecting and warehousing.
The performances of solid and liquid dust depressants commonly used in the same industry are compared and evaluated, and after the three dust depressants are prepared into 2% aqueous solutions, the technical condition requirements of the TB/T3210.1-2009 dust depressants for railway coal transportation are met. Compared with the similar liquid products, the product of the invention has better antifreezing performance; compared with the similar solid products, the product of the invention has a significantly higher dissolution rate (see figure 2).
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The high-concentration antifreezing liquid coal dust suppressant is characterized by comprising the following components in parts by weight:
isoparaffin: 35-55 parts of a solvent;
emulsifier: 1-10 parts;
wetting agent: 1-10 parts;
styrene-acrylic emulsion: 5-20 parts of a solvent;
croscarmellose sodium: 5-15 parts of a solvent;
polyacrylamide: 1-5 parts;
suspending agent: 1-5 parts;
dispersing agent: 1-10 parts;
the preparation method of the dust suppressant comprises the following steps:
s1, pre-emulsification at normal temperature: under the condition of normal temperature, adding isoparaffin into a reaction kettle respectively, starting stirring, slowly adding an emulsifier, a wetting agent, a styrene-acrylic emulsion, cross-linked sodium carboxymethylcellulose and polyacrylamide, and stirring for 30-60 minutes for later use;
s2, low-temperature emulsification and shearing: adding the suspending agent into a reaction kettle while stirring, heating to 80 ℃, stirring at constant temperature for 30 minutes, cooling to-3 ℃, and emulsifying and shearing for more than two times by using a shearing emulsifying pump;
s3, dispersing and mixing: heating the materials in the reaction kettle to 20-40 ℃, adding the dispersing agent while stirring, stirring for 30 minutes to obtain the produced product, then metering, filling into a packaging barrel, sampling, detecting and warehousing.
2. The highly concentrated antifreeze liquid coal dust suppressant of claim 1 wherein said isoparaffin is a low pour point oil obtained by hydroisomerization dewaxing of crude oil distillate.
3. The highly concentrated antifreeze liquid coal dust suppressant of claim 1, wherein said emulsifier is one or a mixture of two of monoglycerol oleate, diglycerol oleate and polyoxyethylene fatty acid ether.
4. The highly concentrated antifreeze liquid coal dust suppressant of claim 1 wherein said wetting agent is a mixture of fatty alcohol polyoxyethylene ether and fatty acid diethanolamide.
5. The highly concentrated antifreeze liquid coal dust suppressant according to claim 1, wherein said styrene-acrylic emulsion is a 1:1 by mass mixture of styrene and acrylic ester at a concentration of 40%.
6. The highly concentrated antifreeze liquid coal dust suppressant of claim 1 wherein said croscarmellose sodium is a product having a purity greater than 90% and a degree of substitution greater than 0.5 or greater.
7. The highly concentrated antifreeze liquid coal dust suppressant of claim 1 wherein said polyacrylamide is a product having a molecular weight greater than 500 million and a degree of hydrolysis greater than 20%.
8. The highly concentrated antifreeze liquid coal dust suppressant of claim 1 wherein said suspending agent comprises a tackifier such as organobentonite, rubber, polyisobutylene, etc.
9. The highly concentrated antifreeze liquid coal dust suppressant of claim 1, wherein said dispersant comprises alkylphenol ethoxylates and fatty alcohol ethoxylates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911010198.0A CN111995984A (en) | 2019-10-23 | 2019-10-23 | High-concentration antifreezing liquid coal dust suppressant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911010198.0A CN111995984A (en) | 2019-10-23 | 2019-10-23 | High-concentration antifreezing liquid coal dust suppressant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111995984A true CN111995984A (en) | 2020-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911010198.0A Pending CN111995984A (en) | 2019-10-23 | 2019-10-23 | High-concentration antifreezing liquid coal dust suppressant |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115746791A (en) * | 2022-12-09 | 2023-03-07 | 中国铁路北京局集团有限公司北京科学技术研究所 | Liquid coal dust suppressant |
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|---|---|---|---|---|
| CN1059128A (en) * | 1990-08-22 | 1992-03-04 | 中国市政工程华北设计院 | Coal and powder material heap coverture |
| CN102464971A (en) * | 2010-11-02 | 2012-05-23 | 山东科技大学 | Novel dust-inhibiting and fire-retarding covering agent for coal, and preparation method thereof |
| CN103074034A (en) * | 2012-12-21 | 2013-05-01 | 山西超强高级润滑油脂有限公司 | Dust suppression and antifreezing solution for coal transportation and preparation method thereof |
| CN105602525A (en) * | 2015-11-24 | 2016-05-25 | 陇东学院 | Cooperative moisture-retaining antifreezing coal dust inhibitors and preparation method thereof |
| CN106833523A (en) * | 2016-12-27 | 2017-06-13 | 华北水利水电大学 | Anti frozen liquid for bituminous paving and preparation method thereof |
| CN106928901A (en) * | 2017-03-27 | 2017-07-07 | 济南福君新材料科技有限公司 | Colorful environmentally friendly dust suppressant and its preparation and application |
| CN109456733A (en) * | 2018-12-12 | 2019-03-12 | 神木市锦界安顺煤矿机电修造有限公司 | Railway Coal transports dust suppression anti-icing fluid |
-
2019
- 2019-10-23 CN CN201911010198.0A patent/CN111995984A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059128A (en) * | 1990-08-22 | 1992-03-04 | 中国市政工程华北设计院 | Coal and powder material heap coverture |
| CN102464971A (en) * | 2010-11-02 | 2012-05-23 | 山东科技大学 | Novel dust-inhibiting and fire-retarding covering agent for coal, and preparation method thereof |
| CN103074034A (en) * | 2012-12-21 | 2013-05-01 | 山西超强高级润滑油脂有限公司 | Dust suppression and antifreezing solution for coal transportation and preparation method thereof |
| CN105602525A (en) * | 2015-11-24 | 2016-05-25 | 陇东学院 | Cooperative moisture-retaining antifreezing coal dust inhibitors and preparation method thereof |
| CN106833523A (en) * | 2016-12-27 | 2017-06-13 | 华北水利水电大学 | Anti frozen liquid for bituminous paving and preparation method thereof |
| CN106928901A (en) * | 2017-03-27 | 2017-07-07 | 济南福君新材料科技有限公司 | Colorful environmentally friendly dust suppressant and its preparation and application |
| CN109456733A (en) * | 2018-12-12 | 2019-03-12 | 神木市锦界安顺煤矿机电修造有限公司 | Railway Coal transports dust suppression anti-icing fluid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115746791A (en) * | 2022-12-09 | 2023-03-07 | 中国铁路北京局集团有限公司北京科学技术研究所 | Liquid coal dust suppressant |
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Application publication date: 20201127 |