CN115746791A - Liquid coal dust suppressant - Google Patents
Liquid coal dust suppressant Download PDFInfo
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- CN115746791A CN115746791A CN202211583126.7A CN202211583126A CN115746791A CN 115746791 A CN115746791 A CN 115746791A CN 202211583126 A CN202211583126 A CN 202211583126A CN 115746791 A CN115746791 A CN 115746791A
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- parts
- dust suppressant
- coal dust
- liquid coal
- stirring
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- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 239000002817 coal dust Substances 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 12
- 229920002785 Croscarmellose sodium Polymers 0.000 claims abstract description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 10
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 10
- 235000010947 crosslinked sodium carboxy methyl cellulose Nutrition 0.000 claims abstract description 10
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 10
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 10
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract description 10
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 10
- 239000000080 wetting agent Substances 0.000 claims abstract description 10
- 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 9
- 229960001681 croscarmellose sodium Drugs 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000010008 shearing Methods 0.000 claims description 9
- 238000004945 emulsification Methods 0.000 claims description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- 150000004665 fatty acids Chemical class 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000001804 emulsifying effect Effects 0.000 claims description 5
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 5
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 5
- 238000006467 substitution reaction Methods 0.000 claims description 5
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 4
- 229920002367 Polyisobutene Polymers 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000010779 crude oil Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 239000003999 initiator Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- -1 polyoxyethylene Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
- 238000007710 freezing Methods 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 229940049964 oleate Drugs 0.000 claims 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims 1
- 239000002671 adjuvant Substances 0.000 claims 1
- 239000013530 defoamer Substances 0.000 claims 1
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 claims 1
- 150000002191 fatty alcohols Chemical class 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 6
- 241000251468 Actinopterygii Species 0.000 abstract description 5
- 239000000843 powder Substances 0.000 abstract description 4
- 230000001629 suppression Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RZRNAYUHWVFMIP-UHFFFAOYSA-N monoelaidin Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-UHFFFAOYSA-N 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000001767 crosslinked sodium carboxy methyl cellulose Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000008297 liquid dosage form Substances 0.000 description 1
- 239000007909 solid dosage form Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Landscapes
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The invention relates to the technical field of dust control, in particular to a liquid coal dust suppressant, which comprises the following components in parts by weight: polyethylene glycol: 45-65 parts of a solvent; emulsifier: 10-20 parts; wetting agent: 10-20 parts; molybdate: 5-20 parts of a solvent; croscarmellose sodium: 5-15 parts; butadiene resin: 10-25 parts; sodium metasilicate: 10-25 parts; auxiliary materials: 15-25 parts; the invention provides a liquid coal dust suppressant, which 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.
Description
Technical Field
The invention relates to the technical field of dust treatment, in particular to a 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.
The dust suppressant in the prior art mainly comprises a solid dosage form product and a liquid dosage form product, but has the following defects: the content of effective substances of the solid dust suppressant is high, but the solid dust suppressant has the problems of low dissolving speed and waste caused by easy formation of fish eyes; 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
The invention provides a liquid coal dust suppressant, which 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.
In order to achieve the purpose, the invention provides the following technical scheme: a liquid coal dust suppressant comprises the following components in parts by weight: polyethylene glycol: 45-65 parts of a solvent; emulsifier: 10-20 parts; wetting agent: 10-20 parts; molybdate: 5-20 parts of a solvent; croscarmellose sodium: 5-15 parts; butadiene resin: 10-25 parts; sodium metasilicate: 10-25 parts; auxiliary materials: 15-25 parts;
the preparation method of the dust suppressant comprises the following steps:
step one, pre-emulsification at normal temperature: respectively adding polyethylene glycol into a reaction kettle at normal temperature, stirring, slowly adding an emulsifier, a wetting agent, molybdate, croscarmellose sodium and butadiene resin, and stirring for 30-60 minutes for later use;
step two, low-temperature emulsification and shearing: adding sodium metasilicate into a reaction kettle while stirring, stirring and heating to 90 ℃, stirring for 45 minutes at constant temperature, cooling to-15 ℃, and emulsifying and shearing for more than two times by using a shearing emulsification pump;
step three, dispersing and mixing: and (3) heating the materials in the reaction kettle to 30-50 ℃, adding the auxiliary materials while stirring, and stirring for 45 minutes after the addition is finished to obtain the product.
Preferably, the polyethylene glycol is low-condensation-point oil obtained by subjecting crude oil distillate to hydroisomerization dewaxing.
Preferably, the emulsifier is one or a mixture of two of oleic acid monoglyceride, oleic acid diglyceride and fatty acid polyoxyethylene ether.
Preferably, the wetting agent is a mixture of fatty alcohol-polyoxyethylene ether and fatty acid diethanolamide.
Preferably, the molybdate is a mixture of styrene and acrylic ester with a concentration of 40% and a mass ratio of 1.
Preferably, the croscarmellose sodium is a product with the purity of more than 90% and the substitution degree of more than 0.5.
Preferably, the butadiene resin is a product having a molecular weight of more than 500 ten thousand and a degree of hydrolysis of more than 20%.
Preferably, the sodium metasilicate includes a thickener such as organobentonite, rubber, polyisobutylene, or the like.
Preferably, the auxiliary materials comprise a surfactant, a defoaming agent, an acid-base regulator and an initiator.
The invention has the beneficial effects that: compared with the conventional coal dust suppressant, the coal dust suppressant has high concentration of effective substances, can be diluted by a high multiple, and is convenient to transport and construct; 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 for spraying, the dust suppression effect is good, the crusting strength is high, the adsorption wetting effect is good, and the dust suppression effect is better than that of the conventional liquid dust suppression agent under the same addition amount.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
A liquid coal dust suppressant comprises the following components in parts by weight: polyethylene glycol: 45. about 65 parts; emulsifier: 10-20 parts; wetting agent: 10-20 parts; molybdate: 5-20 parts of a solvent; croscarmellose sodium: 5-15 parts; butadiene resin: 10-25 parts; sodium metasilicate: 10-25 parts; auxiliary materials: 15-25 parts;
the preparation method of the dust suppressant comprises the following steps:
step one, pre-emulsification at normal temperature: respectively adding polyethylene glycol into a reaction kettle at normal temperature, stirring, slowly adding an emulsifier, a wetting agent, molybdate, croscarmellose sodium and butadiene resin, and stirring for 30-60 minutes for later use;
step two, low-temperature emulsification and shearing: adding sodium metasilicate into a reaction kettle while stirring, stirring and heating to 90 ℃, stirring for 45 minutes at constant temperature, cooling to-15 ℃, and emulsifying and shearing for more than two times by using a shearing emulsifying pump;
step three, dispersing and mixing: and (3) heating the materials in the reaction kettle to 30-50 ℃, adding the auxiliary materials while stirring, and stirring for 45 minutes after the addition is finished to obtain the produced product.
Compared with the conventional coal dust suppressant, the liquid coal dust suppressant prepared by the method has high concentration of effective substances, can be diluted by high times, and is convenient to transport and construct; 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, and the dust suppressant can be used at the temperature of below 30 ℃ below zero, so that 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 better than that of the conventional liquid dust suppressant under the same addition amount.
Wherein the polyethylene glycol is low-condensation-point oil obtained by subjecting crude oil distillate to hydroisomerization dewaxing. The emulsifier is one or a mixture of two of oleic acid monoglyceride, oleic acid diglyceride and fatty acid polyoxyethylene ether. The wetting agent is a mixture of fatty alcohol-polyoxyethylene ether and fatty acid diethanolamide. The molybdate is a mixture of styrene and acrylate with the concentration of 40% and the mass ratio of 1. The cross-linked sodium carboxymethyl cellulose is a product with the purity of more than 90 percent and the substitution degree of more than 0.5. The butadiene resin is a product with molecular weight more than 500 ten thousand and hydrolysis degree more than 20%. The sodium metasilicate comprises tackifier such as organic bentonite, rubber, polyisobutylene and the like. The auxiliary materials comprise a surfactant, a defoaming agent, an acid-base regulator and an initiator.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within 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 (9)
1. The liquid coal dust suppressant is characterized by comprising the following components in parts by weight: polyethylene glycol: 45-65 parts of a solvent; emulsifier: 10-20 parts; wetting agent: 10-20 parts; molybdate: 5-20 parts of a solvent; croscarmellose sodium: 5-15 parts; butadiene resin: 10-25 parts; sodium metasilicate: 10-25 parts; auxiliary materials: 15-25 parts;
the preparation method of the dust suppressant comprises the following steps:
step one, pre-emulsification at normal temperature: respectively adding polyethylene glycol into a reaction kettle at normal temperature, stirring, slowly adding an emulsifier, a wetting agent, molybdate, croscarmellose sodium and butadiene resin, and stirring for 30-60 minutes for later use;
step two, low-temperature emulsification and shearing: adding sodium metasilicate into a reaction kettle while stirring, stirring and heating to 90 ℃, stirring for 45 minutes at constant temperature, cooling to-15 ℃, and emulsifying and shearing for more than two times by using a shearing emulsifying pump;
step three, dispersing and mixing: and (3) heating the materials in the reaction kettle to 30-50 ℃, adding the auxiliary materials while stirring, and stirring for 45 minutes after the addition is finished to obtain the product.
2. The liquid coal dust suppressant of claim 1, wherein the polyethylene glycol is a low freezing point oil obtained by subjecting crude oil distillate to hydroisomerization dewaxing.
3. The liquid coal dust suppressant of claim 1, wherein the emulsifier is one or a mixture of two of monoglycerol oleate, diglycerol oleate and polyoxyethylene fatty acid ether.
4. The liquid coal dust suppressant of claim 1, wherein the wetting agent is a mixture of fatty alcohol polyoxyethylene ether and fatty acid diethanolamide.
5. The liquid coal dust suppressant of claim 1, wherein said molybdate is a mixture of styrene and acrylate at a concentration of 40% by mass ratio of 1.
6. The liquid coal dust suppressant of claim 1, wherein the croscarmellose sodium is a product with a purity greater than 90% and a degree of substitution greater than 0.5 or greater.
7. The liquid coal dust suppressant of claim 1, wherein said butadiene resin is a product having a molecular weight greater than 500 ten thousand and a degree of hydrolysis greater than 20%.
8. The liquid coal dust suppressant of claim 1, wherein the sodium metasilicate comprises a tackifier such as organobentonite, rubber, polyisobutylene, etc.
9. The liquid coal dust suppressant of claim 1, wherein the adjuvant comprises a surfactant, a defoamer, an acid-base modifier, an initiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211583126.7A CN115746791A (en) | 2022-12-09 | 2022-12-09 | Liquid coal dust suppressant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211583126.7A CN115746791A (en) | 2022-12-09 | 2022-12-09 | Liquid coal dust suppressant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115746791A true CN115746791A (en) | 2023-03-07 |
Family
ID=85345097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211583126.7A Pending CN115746791A (en) | 2022-12-09 | 2022-12-09 | Liquid coal dust suppressant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115746791A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995984A (en) * | 2019-10-23 | 2020-11-27 | 任丘市诚亿化工有限公司 | High-concentration antifreezing liquid coal dust suppressant |
-
2022
- 2022-12-09 CN CN202211583126.7A patent/CN115746791A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995984A (en) * | 2019-10-23 | 2020-11-27 | 任丘市诚亿化工有限公司 | High-concentration antifreezing liquid coal dust suppressant |
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