CN106047299A - Coal dust inhibitor and method for preparing same - Google Patents
Coal dust inhibitor and method for preparing same Download PDFInfo
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- CN106047299A CN106047299A CN201610357706.2A CN201610357706A CN106047299A CN 106047299 A CN106047299 A CN 106047299A CN 201610357706 A CN201610357706 A CN 201610357706A CN 106047299 A CN106047299 A CN 106047299A
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- coal dust
- dust inhibitor
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- hydrogen peroxide
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- 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
Abstract
The invention provides a coal dust inhibitor and a method for preparing the same, and relates to the field of environmental protection. The coal dust inhibitor comprises hydroxyethyl celluloses, 2, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, glycerin, hydrogen peroxide, calcium chloride and pH (potential of hydrogen) regulators. The coal dust inhibitor and the method have the advantages that surface tension of pulverized coal can be reduced by the coal dust inhibitor, and the pulverized coal can be quickly wetted to be quickly coagulated and settled; cured films with certain strength and toughness can be formed on surface layers of coal, accordingly, the coal can be prevented from being raised along with wind when transported, stacked and unloaded, and environmental pollution due to the pulverized coal can be effectively prevented; the calcium chloride is used as an antifreeze auxiliary for the coal dust inhibitor, the hydrogen peroxide is used as a sterilizing agent for the coal dust inhibitor, accordingly, the problem of freezing of existing inhibitors in winters can be effectively solved, and harmful bacteria in air around coal dust can be killed; raw materials for the coal dust inhibitor are easily degradable, accordingly, secondary pollution can be prevented, obvious dust inhibition effects can be realized, and the coal dust inhibitor and the method are wide in application range and worthy of being popularized and applied.
Description
[technical field]
The present invention relates to field of environment protection, be specifically related to a kind of coal dust inhibitor and preparation method thereof.
[background technology]
Coal dust is Coal Exploitation, store up, ship and store up during the fine particle that produces, air can be suspended in for a long time
In, cause ambient atmosphere low visibility, cause operator to suffer from pneumoconiosis disease, and industrial accident may be caused.Therefore, coal
Dirt suppression technology is always the focus of people's research.At present, suppression coal airborne dust most common method is watering, watering main
Effect is the dry coal dust that wet granulate is tiny so that it is relative density increases, and is bonded to bigger granule sedimentation, thus in external force
Can not fly upward under Zuo Yong.Although the method is simple and easy to do, but owing to coal dust is more weak with the adhesion of hydrone, and moisture easily steams
Send out, it is impossible to form the cured film of densification on coal surface, can not meet the needs of long-term dust suppression.
The disclosure of the invention of Publication No. CN102277135A " a kind of environment-friendly degradable type dust suppressant and preparation method thereof ", its
Described dust suppressant has film forming, moistening, coalescence function, can be formed after being sprayed onto material surface one layer continuous whole, firm and have
The shell membrane of flexible, makes dust be limited in shell, it is to avoid air pollution, reduces material loss, but this dust suppressant is for surrounding
Antibacterial in air does not has obvious inhibitory action, and uses in season in severe winter and there will be freezeout, is sprayed at material table
Layer can freeze and become fragile, and anti-dust effect weakens.
[summary of the invention]
It is an object of the invention to: for the problem of above-mentioned existence, it is provided that a kind of coal dust inhibitor and preparation method thereof, this
The coal dust inhibitor of invention is formed by 6 kinds of raw material reasonable preparations, can not only significantly reduce the surface tension of coal dust, quick humidification
Coal dust make its rapid flocking settling to reach dust suppression purpose, and can coal surface formed one layer have some strength and toughness
Cured film, it is to avoid coal transport, stack, kick up with the wind during unloading, be effectively prevented coal dust to environment.This
Bright described coal dust inhibitor uses calcium chloride as antifreeze auxiliary agent, and hydrogen peroxide, as antibacterial, not only efficiently solves and presses down
Preparation frozen problem in winter, also can effectively kill the noxious bacteria in coal dust surrounding air, and the raw material used has easily
Degradability, anti-dust effect is notable, applied widely, does not results in secondary pollution, is worthy of popularization.
To achieve these goals, the technical solution used in the present invention is as follows: and glue with hydroxyethyl cellulose for film former
Knot agent, Lauryl Alcohol ester is coalescents, and glycerol is wetting agent, and calcium chloride is antifreezing agent, and hydrogen peroxide is antibacterial, by closing
Reason preparation becomes one and has moistening, bonding, film forming, the coal dust inhibitor of the multiple actions such as antifreeze and sterilization.
A kind of coal dust inhibitor, the raw material of the effective ingredient of described coal dust inhibitor forms and parts by weight are:
Hydroxyethyl cellulose 1-5 part Lauryl Alcohol ester 10-20 part glycerol 20-30 part
Hydrogen peroxide 5-10 part calcium chloride 20-40 part
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
More preferably, raw material composition and the parts by weight of the effective ingredient of described coal dust inhibitor are:
Hydroxyethyl cellulose 2-4 part Lauryl Alcohol ester 12-18 part glycerol 23-27 part
Hydrogen peroxide 6-9 part calcium chloride 25-35 part
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
More preferably, raw material composition and the parts by weight of the effective ingredient of described coal dust inhibitor are:
Hydroxyethyl cellulose 15 parts of glycerol of 3 parts of Lauryl Alcohol esters 25 parts
30 parts of 8 parts of calcium chloride of hydrogen peroxide
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
The present invention also provides for the preparation method of above-mentioned coal dust inhibitor, comprises the following steps:
(1) weigh hydroxyethyl cellulose, Lauryl Alcohol ester, glycerol, hydrogen peroxide, calcium chloride and pH by weight to adjust
Joint agent, all above raw material is technical grade product；
(2) the Lauryl Alcohol ester of the hydroxyethyl cellulose weighed and half amount is poured into equipped with in the reactor of agitator,
Add the water of 80-120 weight portion, under the conditions of 50-60 DEG C, be sufficiently stirred for 40-60min with the rotating speed of 80-100r/min, obtain
Mixture, wherein, the water added is tap water or the deionized water meeting standard for drinking, agitator be helix(ribbon type) agitator,
Any one in propeller agitator or anchor agitator；
(3) in the mixture that step (2) obtains, add glycerol, hydrogen peroxide, calcium chloride and the surplus weighed
Lauryl Alcohol ester, under the conditions of 60-80 DEG C, stir 20-30min with the rotating speed of 100-150r/min, then drip pH adjusting agent
Continue stirring, obtain pH value be 7-9, viscosity be the mixture of 1000-2000mPa s, be required coal dust inhibitor, wherein,
Described hydrogen peroxide be mass fraction be the aqueous hydrogen peroxide solution of 25-35%, pH adjusting agent is in NaOH solution and KOH solution
One or both mixed liquor, and pH adjusting agent be mass fraction be the solution of 20-30%.
Further, heat temperature raising is conducive to accelerating the dissolution velocity of raw material, reduces mixing time；
Further, described Lauryl Alcohol ester adds its effect that can give full play at twice, there was added for the first time and beneficially moistens
Wet and dispersion hydroxyethyl cellulose, accelerate its dissolution velocity；Second time addition may advantageously facilitate film forming, improves stablizing of cured film
Property.
Further, the aqueous solution of hydrogen peroxide and calcium chloride all in faintly acid, add pH adjusting agent purpose be in order to
Realizing acid-base neutralization, making inhibitor is alkalescence, it is to avoid secondary pollution；
The using method of coal dust inhibitor of the present invention is as follows: it is 300-that described coal dust inhibitor is diluted with water to viscosity
The inhibitor aqueous solution of 500mPa s injects in sprinkler, then presses 1.5-2.0L/m2Consumption be uniformly sprayed on coal table
Layer.
Each raw material of coal dust inhibitor of the present invention with the use of, serve good synergism.Hydroxy ethyl fiber
Element is the main film former in coal dust inhibitor of the present invention and binding agent, and its aqueous solution has good film property, water-retaining property and sticks
Property, formed the cured rear toughness of film relatively strong, can effectively stop the evaporation of moisture in coal dust；Lauryl Alcohol ester is this
Coalescents in bright coal dust inhibitor, boiling point is high, and compatibility is good, and environmental-protecting performance is superior, with hydroxyethyl cellulose with the use of,
Can reduce film-forming temperature, contribute to forming excellent continuous print film, after film forming, coalescents volatilizees, and does not affect the characteristic of cured film；
Glycerol is the wetting agent in coal dust inhibitor of the present invention, has certain hygroscopicity and permeability, can reduce the surface of coal dust
Tension force, with hydroxyethyl cellulose with the use of, can quick humidification coal dust, increase Coal Dust relative density so that it is coagulate rapidly
Coagulation drops；Calcium chloride is the antifreeze auxiliary agent in coal dust inhibitor of the present invention, and the freezing point of its aqueous solution is low, not easy freezing, effectively
Solve inhibitor frozen problem in winter；Hydrogen peroxide is the antibacterial in coal dust inhibitor of the present invention, and oxidability is strong, can have
Killing the noxious bacteria in coal dust surrounding air to effect, the material after sterilizing is nonhazardous, the water that has no stimulation, does not results in
Secondary pollution；The aqueous solution of hydrogen peroxide and calcium chloride, all in faintly acid, adds pH adjusting agent and can realize acid-base neutralization, make to press down
Preparation is alkalescence, it is to avoid secondary pollution.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
(1) coal dust inhibitor of the present invention is formed by 6 kinds of raw material reasonable preparations, has film forming, moistening, bonds, antifreeze
With sterilization five functional, and each raw material sources are convenient, and production cost is low, has readily degradable, does not results in secondary pollution；
(2) coal dust inhibitor of the present invention is with hydroxyethyl cellulose as film former, its film uniformly continuous formed, and sprays
In coal surface, one layer of cured film with certain degree of hardness and toughness can be formed on coal surface, it is to avoid coal is at transport, heap
Put, kick up with the wind during unloading, effectively prevent coal dust to environment；
(3) coal dust inhibitor of the present invention, good film-forming property, can stop and slow down the evaporation of moisture in coal dust, have
Good anti-evaporating, the dust suppression time is long, and can significantly reduce the surface tension of coal dust, and quick humidification coal dust also makes it fast
Rapid hardening also settles, and anti-dust effect is notable；
(4) coal dust inhibitor of the present invention, uses calcium chloride as antifreeze auxiliary agent, and its aqueous solution freezing point is low, can be effective
Ground solves coal dust inhibitor frozen problem in winter；
(5) coal dust inhibitor of the present invention, uses hydrogen peroxide as antibacterial, and oxidability is strong, can effectively kill
Noxious bacteria in dead coal dust surrounding air, the material after sterilizing is nonhazardous, the water that has no stimulation, does not results in secondary dirty
Dye；
(6) coal dust inhibitor of the present invention be applicable to coal exploitation, transport, stack, unloading wait during, universality
Good, there is Social benefit and economic benefit widely, be worthy of popularization.
[detailed description of the invention]
Below by way of specific embodiment, the invention will be further described.
One, formulation Example
Embodiment 1
A kind of coal dust inhibitor, the raw material of described coal dust inhibitor effective ingredient forms and parts by weight are:
Hydroxyethyl cellulose 20 parts of glycerol of 5 parts of Lauryl Alcohol esters 30 parts
40 parts of 10 parts of calcium chloride of hydrogen peroxide
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
Embodiment 2
A kind of coal dust inhibitor, the raw material of described coal dust inhibitor effective ingredient forms and parts by weight are:
Hydroxyethyl cellulose 18 parts of glycerol of 4 parts of Lauryl Alcohol esters 28 parts
35 parts of 9 parts of calcium chloride of hydrogen peroxide
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
Embodiment 3
A kind of coal dust inhibitor, the raw material of described coal dust inhibitor effective ingredient forms and parts by weight are:
Hydroxyethyl cellulose 15 parts of glycerol of 3 parts of Lauryl Alcohol esters 25 parts
30 parts of 8 parts of calcium chloride of hydrogen peroxide
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
Embodiment 4
A kind of coal dust inhibitor, the raw material of described coal dust inhibitor effective ingredient forms and parts by weight are:
Hydroxyethyl cellulose 12 parts of glycerol of 2 parts of Lauryl Alcohol esters 23 parts
25 parts of 7 parts of calcium chloride of hydrogen peroxide
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
Embodiment 5
A kind of coal dust inhibitor, the raw material of described coal dust inhibitor effective ingredient forms and parts by weight are:
Hydroxyethyl cellulose 10 parts of glycerol of 1 part of Lauryl Alcohol ester 20 parts
20 parts of 5 parts of calcium chloride of hydrogen peroxide
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
Two, preparation embodiment
Embodiment 6
The method of the coal dust inhibitor preparing above-described embodiment 1-5 can follow the steps below:
(1) weigh hydroxyethyl cellulose by weight, Lauryl Alcohol ester, glycerol, calcium chloride, mass fraction are 25%
Hydrogenperoxide steam generator and mass fraction be the sodium hydroxide solution of 20%；
(2) the Lauryl Alcohol ester of the hydroxyethyl cellulose weighed and half amount is poured into equipped with in the reactor of agitator,
Add the water of 80 weight portions, under the conditions of 50 DEG C, be sufficiently stirred for 40min with the rotating speed of 80r/min, obtain mixture；
(3) in the mixture that step (2) obtains, add glycerol, hydrogen peroxide, calcium chloride and the residual gravity weighed
The Lauryl Alcohol ester of amount part, stirs 20min with the rotating speed of 100r/min under the conditions of 60 DEG C, and then dropping sodium hydroxide solution continues
Continuous stirring, obtaining pH value is 7, and viscosity is the mixture of 1000mPa s, is required coal dust inhibitor.
Embodiment 7
The method of the coal dust inhibitor preparing above-described embodiment 1-5 can follow the steps below:
(1) weigh hydroxyethyl cellulose by weight, Lauryl Alcohol ester, glycerol, calcium chloride, mass fraction are 30%
Hydrogenperoxide steam generator and mass fraction be the potassium hydroxide solution of 25%；
(2) the Lauryl Alcohol ester of the hydroxyethyl cellulose weighed and half amount is poured into equipped with in the reactor of agitator,
Add the water of 100 weight portions, under the conditions of 55 DEG C, be sufficiently stirred for 50min with the rotating speed of 90r/min, obtain mixture；
(3) in the mixture that step (2) obtains, add glycerol, hydrogen peroxide, calcium chloride and the residual gravity weighed
The Lauryl Alcohol ester of amount part, stirs 25min with the rotating speed of 125r/min under the conditions of 70 DEG C, and then dropping potassium hydroxide solution continues
Continuous stirring, obtaining pH value is 8, and viscosity is the mixture of 1500mPa s, is required coal dust inhibitor.
Embodiment 8
The method of the coal dust inhibitor preparing above-described embodiment 1-5 can follow the steps below:
(1) weigh hydroxyethyl cellulose by weight, Lauryl Alcohol ester, glycerol, calcium chloride, mass fraction are 35%
Hydrogenperoxide steam generator, mass fraction be 30% sodium hydroxide solution and mass fraction be the potassium hydroxide solution of 30%；
(2) the Lauryl Alcohol ester of the hydroxyethyl cellulose weighed and half amount is poured into equipped with in the reactor of agitator,
Add the water of 120 weight portions, under the conditions of 60 DEG C, be sufficiently stirred for 60min with the rotating speed of 100r/min, obtain mixture；
(3) in the mixed liquor that step (2) obtains, add glycerol, hydrogen peroxide, calcium chloride and the residual gravity weighed
The Lauryl Alcohol ester of amount part, stir 30min with the rotating speed of 150r/min under the conditions of 80 DEG C, then dropping sodium hydroxide solution with
The mixed liquor of potassium hydroxide solution continues stirring, and obtaining pH value is 9, and viscosity is the mixture of 2000mPa s, is required coal
Dust inhibitor.
The method using the coal dust inhibitor of above-described embodiment 1-5 is as follows: be diluted with water to glue by described coal dust inhibitor
The inhibitor aqueous solution that degree is 300-500mPa s injects in sprinkler, then presses 1.5-2.0L/m2Consumption be uniformly sprayed on
Coal surface.
Three, compliance test result
The coal dust inhibitor prepared above-described embodiment according to standard TB/T 3210.1-2009 carries out performance detection, result
For: viscosity (25 DEG C, mPa s): 1000-2000；PH (25 DEG C): 7-9；Applicable temperature (DEG C) :-35 40；Moisturizing rate (%, 70
DEG C forced air drying, 2h percentage of water loss) :≤20.15；Film formation time (25 DEG C, min): 35-50；Film forming thickness (25 DEG C, mm): >=10；
Bacteriostasis rate (25 DEG C, %): >=90.
Four, relative analysis
Taking 25kg and cross the coal dust 2 parts of 40 mesh standard sieves as test specimen, be positioned in outdoor environment, test group uses this
The coal dust inhibitor of invention, matched group uses the mode of watering, and two groups of experimental conditions are identical, Pass Test standard.
Test group: coal dust inhibitor of the present invention is diluted with water to the inhibitor aqueous solution that viscosity is 300-500mPa s,
1.5-2.0L/m is pressed after injecting sprinkler2Consumption be sprayed on selected test coal sample surface equably；Matched group: water is noted
Enter after sprinkler by 1.5-2.0L/m2Consumption be sprayed on selected test coal sample surface equably.Every other day survey once
Dust suppression rate, the cycle is 21 days, dust suppression rate=(example weight+dust suppressant weight after test)/(front example weight+dust suppressant of test
Weight).Measurement result such as following table:
Obtain according to the data of record in form: the dust suppression rate of test group use coal dust inhibitor of the present invention can in 72h
Being maintained at more than 99%, dust suppression rate was also positively retained at more than 70% at 21 days, and matched group uses watering dust suppression, and dust suppression rate was at 21 days
Time be held only in 1.1%, contrast understands, and uses the anti-dust effect of coal dust inhibitor of the present invention significantly, is worthy of popularization.
Claims (8)
1. a coal dust inhibitor, it is characterised in that: the raw material of described coal dust inhibitor effective ingredient forms and parts by weight are:
Hydroxyethyl cellulose 1-5 part Lauryl Alcohol ester 10-20 part glycerol 20-30 part
Hydrogen peroxide 5-10 part calcium chloride 20-40 part
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
A kind of coal dust inhibitor the most according to claim 1, it is characterised in that: described coal dust inhibitor effective ingredient former
Material forms and parts by weight are:
Hydroxyethyl cellulose 2-4 part Lauryl Alcohol ester 12-18 part glycerol 23-27 part
Hydrogen peroxide 6-9 part calcium chloride 25-35 part
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
A kind of coal dust inhibitor the most according to claim 1, it is characterised in that: described coal dust inhibitor effective ingredient former
Material forms and parts by weight are:
Hydroxyethyl cellulose 15 parts of glycerol of 3 parts of Lauryl Alcohol esters 25 parts
30 parts of 8 parts of calcium chloride of hydrogen peroxide
Wherein, also include appropriate pH adjusting agent, for the pH value of described coal dust inhibitor is adjusted to 7-9.
4. the preparation method of a coal dust inhibitor, it is characterised in that: comprise the following steps:
(1) hydroxyethyl cellulose, Lauryl Alcohol ester, glycerol, hydrogen peroxide, calcium chloride and pH regulator are weighed by weight
Agent；
(2) the Lauryl Alcohol ester of the hydroxyethyl cellulose weighed and half amount is poured into equipped with in the reactor of agitator, add
The water of 80-120 weight portion, is sufficiently stirred for 40-60min under the conditions of 50-60 DEG C with the rotating speed of 80-100r/min, is mixed
Thing；
(3) in the mixture that step (2) obtains, weighed glycerol, hydrogen peroxide, calcium chloride and surplus ten is added
Two carbon alcohol esters, stir 20-30min with the rotating speed of 100-150r/min under the conditions of 60-80 DEG C, and then dropping pH adjusting agent continues
Stirring, obtain pH value be 7-9, viscosity be the mixture of 1000-2000mPa s, be required coal dust inhibitor.
The preparation method of a kind of coal dust inhibitor the most according to claim 4, it is characterised in that: in described step (3)
Hydrogen peroxide be mass fraction be the aqueous hydrogen peroxide solution of 25-35%.
The preparation method of a kind of coal dust inhibitor the most according to claim 4, it is characterised in that: in described step (3)
PH adjusting agent is one or both the mixed liquor in NaOH solution and KOH solution.
The preparation method of a kind of coal dust inhibitor the most according to claim 4, it is characterised in that: in described step (3)
PH adjusting agent be mass fraction be the solution of 20-30%.
8. according to the using method of a kind of coal dust inhibitor according to any one of claim 1-3, it is characterised in that: by described
Coal dust inhibitor is diluted with water to the inhibitor aqueous solution that viscosity is 300-500mPa s and injects in sprinkler, then presses 1.5-
2.0L/m2Consumption be uniformly sprayed on coal surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357706.2A CN106047299A (en) | 2016-05-26 | 2016-05-26 | Coal dust inhibitor and method for preparing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357706.2A CN106047299A (en) | 2016-05-26 | 2016-05-26 | Coal dust inhibitor and method for preparing same |
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| CN106047299A true CN106047299A (en) | 2016-10-26 |
Family
ID=57175342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610357706.2A Pending CN106047299A (en) | 2016-05-26 | 2016-05-26 | Coal dust inhibitor and method for preparing same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940680A (en) * | 2021-03-27 | 2021-06-11 | 兰州天际环境保护有限公司 | Pavement dust suppressant |
| CN117586750A (en) * | 2024-01-15 | 2024-02-23 | 太原理工大学 | High-temperature rapid-condensation high-efficiency railway coal high-speed transportation dust suppressant and preparation thereof |
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| CN103045170A (en) * | 2012-09-10 | 2013-04-17 | 山西中阳实业有限公司 | Method for preparing high-performance coal dust suppressant |
| CN103602339A (en) * | 2013-11-15 | 2014-02-26 | 华电电力科学研究院 | High polymer-based stopping agent for inhibiting spontaneous combustion of brown coal dump and preparation method of high polymer-based stopping agent |
| CN104817997A (en) * | 2015-03-30 | 2015-08-05 | 内蒙古博冉科技有限责任公司 | Solid dust suppressant |
| CN105602525A (en) * | 2015-11-24 | 2016-05-25 | 陇东学院 | Cooperative moisture-retaining antifreezing coal dust inhibitors and preparation method thereof |
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2016
- 2016-05-26 CN CN201610357706.2A patent/CN106047299A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045170A (en) * | 2012-09-10 | 2013-04-17 | 山西中阳实业有限公司 | Method for preparing high-performance coal dust suppressant |
| CN103602339A (en) * | 2013-11-15 | 2014-02-26 | 华电电力科学研究院 | High polymer-based stopping agent for inhibiting spontaneous combustion of brown coal dump and preparation method of high polymer-based stopping agent |
| CN104817997A (en) * | 2015-03-30 | 2015-08-05 | 内蒙古博冉科技有限责任公司 | Solid dust suppressant |
| CN105602525A (en) * | 2015-11-24 | 2016-05-25 | 陇东学院 | Cooperative moisture-retaining antifreezing coal dust inhibitors and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940680A (en) * | 2021-03-27 | 2021-06-11 | 兰州天际环境保护有限公司 | Pavement dust suppressant |
| CN117586750A (en) * | 2024-01-15 | 2024-02-23 | 太原理工大学 | High-temperature rapid-condensation high-efficiency railway coal high-speed transportation dust suppressant and preparation thereof |
| CN117586750B (en) * | 2024-01-15 | 2024-03-26 | 太原理工大学 | High-temperature rapid-condensation high-efficiency railway coal high-speed transportation dust suppressant and preparation thereof |
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