CN109652016A - A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof - Google Patents
A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof Download PDFInfo
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- CN109652016A CN109652016A CN201811631898.7A CN201811631898A CN109652016A CN 109652016 A CN109652016 A CN 109652016A CN 201811631898 A CN201811631898 A CN 201811631898A CN 109652016 A CN109652016 A CN 109652016A
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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
Abstract
The present invention relates to a kind of inhibition miberal powders and the dust suppressant of exposed ground dust and preparation method thereof, including mass ratio be 1:(30~150) dust suppression powder and water, the dust suppression powder include the gelatinizing agent of 5~45 parts by weight, 5~55 parts by weight auxiliary material and account for the food grade preservatives of dust suppression powder gross mass 2~18 ‰, the gelatinizing agent includes one of sesbania gum, carboxymethyl cellulose, polyacrylamide, latex powder, maltodextrin, guar gum, xanthan gum or a variety of, and the auxiliary material is corn pre-gelatinized starch.The present invention is reasonably combined by converted starch, and the cohesive force between miberal powder is strong, weather-proof anti-dust effect is good, and the dust suppressant solution viscosity after preparation is low, the power for spraying needs is small, and stability is good, is not easy to be layered, and use cost is low, the raw materials for production of dust suppressant itself are easy to get, low in cost.
Description
Technical field
The present invention relates to environmentally friendly dust suppression technology fields, more particularly to the dust suppression of a kind of inhibition miberal powder and exposed ground dust
Agent and preparation method thereof is particularly suitable for administering the dust including the dust suppression of miberal powder class Product transport and miberal powder material heap, exposed ground
Inhibit.
Background technique
In the transportational process of railway scattered coal, speed and the wind-force effect to be moved ahead due to unit train, the coal dust on surface
Particle is easy to not only caused the waste of coal resources and the economic loss of the owner of cargo in this way by the car body that blows off, but also polluted railway
Along thread environment, especially in the railway line of mixed running, the pulverized coal particle raised can also be constituted the health of passenger train passenger
It seriously threatens.It is reported that the freight volume of railway scattered coal accounts for the 40% of entire volume of rail freigh at present, so inhibiting railway scattered coal fortune
Fugitive dust during defeated is most important.
Meanwhile all miberal powder substances can also generate dust when there is wind including dump, there are also construction site etc. is naked
Open country face can also generate fugitive dust when blowing.It is typically employed in its surface spray water at present to play the role of dust suppression, but in temperature
When height, wind speed are big and are air-dried, moisture will soon be vapored away, and not have the effect for inhibiting dust.In this feelings
Under condition, the particle that sprinkling dust suppressant can make the surface layer of these substances tiny on its surface is bonded to one layer of knot for having some strength
Shell, this crust layer can not generate fugitive dust when there is wind.
Dust suppression can also be played the role of using the Chemical Felter of similar performance, but currently used dust suppressant is mostly
The product of fossil feedstock, belongs to non-renewable resources.So developing a kind of main component with renewable resource product and its process
Dust suppressant product obtained from physical modification, the inhibition for carrying out miberal powder and exposed ground dust are of great significance.
Summary of the invention
The object of the present invention is to provide a kind of inhibition miberal powder of fully biodegradable environmental sound and open ground flour
Dust suppressant of dirt and preparation method thereof is raised with solving the generation of the fields such as miberal powder in bulk (including coal), miberal powder material heap, exposed ground
Dirt feature of environmental protection dust suppressant, and dust suppressant fully biodegradable itself do not have any injury to environment, belong to environmentally friendly system
Agent.
To achieve the above object, the present invention provides a kind of inhibition miberal powder and the dust suppressants of exposed ground dust, including matter
Amount than be 1:(30~150) dust suppression powder and water, the dust suppression powder includes the gelatinizing agent of 5~45 parts by weight, 5~55 weight
The auxiliary material of part and the food grade preservative for accounting for dust suppression powder gross mass 2~18 ‰, the gelatinizing agent includes sesbania gum, carboxymethyl
One of cellulose, polyacrylamide, latex powder, maltodextrin, guar gum, xanthan gum are a variety of, and the auxiliary material is jade
Rice pre-gelatinized starch.
Preferably, ratio of the corn pre-gelatinized starch in 40~80 mesh particle size ranges is greater than or equal to 60%.
Preferably, in the dust suppression powder, gelatinizing agent is 10~35 parts by weight, and auxiliary material is 5~40 parts by weight.
Another object of the present invention is to provide the dust suppressant preparation method of a kind of inhibition miberal powder and exposed ground dust, packets
Include following steps:
A, the auxiliary material of the gelatinizing agent of 5~45 parts by weight and 5~55 parts by weight is uniformly mixed, while adds 2~18 ‰
Dust suppression powder is made, wherein the gelatinizing agent includes sesbania gum, carboxymethyl cellulose, polyacrylamide, cream in food grade preservative
One of rubber powder, maltodextrin, guar gum, xanthan gum are a variety of, and the auxiliary material is corn pre-gelatinized starch；
B, dust suppression powder is uniformly mixed by colloid mill with water, wherein the mass ratio of dust suppression powder and water be 1:(30~
150), and at least 40 minutes dust suppressants produced above are stirred.
Preferably, ratio of the corn pre-gelatinized starch in 40~80 mesh particle size ranges is greater than or equal to 60%.
Preferably, in the dust suppression powder, gelatinizing agent is 10~35 parts by weight, and auxiliary material is 5~40 parts by weight.
Based on the above-mentioned technical proposal, the invention has the advantages that
The present invention makes it have following features by the reasonably combined of converted starch: it is nontoxic, non-corrosive, can biology drop
Solution, has no adverse effects to miberal powder after use, does not influence plant growth using in exposed ground；Can cold water dilution, it is easy to use；It is dilute
It is high to release ratio, 100 times of dilutable water or more；With miberal powder (including coal) cohesive force is strong, weather-proof anti-dust effect is good；Dust suppressant
Solution viscosity is low, and the power for spraying needs is small；Dust suppressant stability of solution after preparation is good, is not easy to be layered；Use cost is low, suppression
The raw materials for production of dust agent itself are easy to get, cheap.
Specific embodiment
Below by embodiment, technical scheme of the present invention will be described in further detail.
The present invention provides it is a kind of inhibition miberal powder and exposed ground dust dust suppressant, including mass ratio be 1:(30~
150) dust suppression powder and water, the dust suppression powder include the gelatinizing agent of 5~45 parts by weight, 5~55 parts by weight auxiliary material and
The food grade preservative of dust suppression powder gross mass 2~18 ‰ is accounted for, the gelatinizing agent includes sesbania gum, carboxymethyl cellulose, poly- third
One of acrylamide, latex powder, maltodextrin, guar gum, xanthan gum are a variety of, and the auxiliary material is corn pre-gelatinized shallow lake
Powder.
Preferably, ratio of the corn pre-gelatinized starch in 40~80 mesh particle size ranges is greater than or equal to 60%.It is excellent
Selection of land, in the dust suppression powder, gelatinizing agent is 10~35 parts by weight, and auxiliary material is 5~40 parts by weight.
Auxiliary material can also include cassava pre-gelatinized starch, the sodium humate, Portugal of 30~40 parts by weight in the dust suppression powder
One of grape sugar, humic acid, concave convex rod, diatomite are a variety of, wherein partial size model of the cassava pre-gelatinized starch in 30~90 mesh
Ratio in enclosing is greater than or equal to 60%.Or in the dust suppression powder auxiliary material can also include 10~20 parts by weight potato
Pre-gelatinized starch.
The present invention makes it have following features by the reasonably combined of converted starch: it is nontoxic, non-corrosive, can biology drop
Solution, has no adverse effects to miberal powder after use, does not influence plant growth using in exposed ground；Can cold water dilution, it is easy to use；It is dilute
It is high to release ratio, 100 times of dilutable water or more；With miberal powder (including coal) cohesive force is strong, weather-proof anti-dust effect is good；Dust suppressant
Solution viscosity is low, and the power for spraying needs is small；Dust suppressant stability of solution after preparation is good, is not easy to be layered；Use cost is low, suppression
The raw materials for production of dust agent itself are easy to get, cheap.
Of the invention additionally provides a kind of dust suppressant preparation method for inhibiting miberal powder and exposed ground dust, including walks as follows
It is rapid:
A, the auxiliary material of the gelatinizing agent of 5~45 parts by weight and 5~55 parts by weight is uniformly mixed, while adds 2~18 ‰
Dust suppression powder is made, wherein the gelatinizing agent includes sesbania gum, carboxymethyl cellulose, polyacrylamide, cream in food grade preservative
One of rubber powder, maltodextrin, guar gum, xanthan gum are a variety of, and the auxiliary material is corn pre-gelatinized starch；
B, dust suppression powder is uniformly mixed by colloid mill with water, wherein the mass ratio of dust suppression powder and water be 1:(30~
150), and at least 40 minutes dust suppressants produced above are stirred, is delivered to prepared dust suppression agent solution with equipment for liquid transportation
It is spare to store up night tank.
Preferably, ratio of the corn pre-gelatinized starch in 40~80 mesh particle size ranges is greater than or equal to 60%.It is excellent
Selection of land, in the dust suppression powder, gelatinizing agent is 10~35 parts by weight, and auxiliary material is 5~40 parts by weight.
Do not occur obvious lamination within dust suppression agent solution at least 72 hours using prepared by preparation method of the invention, completely
Meet railway parent company TB/T 3210-02009 part index number as described below:
Dust suppressant appearance: transparent color and luster, milky white or light without visible mechanical admixture and without the liquid of obvious irritation；
Dust suppressant density: 1~1.1g/m at 20 DEG C3；
Dust suppressant viscosity: > 5mPa*s at 25 DEG C；
Dust suppressant pH value: pH value 6~8；
Dust suppressant flash-point: 61 DEG C of >；
Skin irritatin degree: < 2.0；
Dust suppressant content of formaldehyde :≤5；
Wind erosion rate: less than 1%；
Cured layer thickness: greater than 10mm；
Oral toxicity test: >=60.0ml/kgBW；
≤ 0.1 is intended to the reduction amount of the high-low-position calorific value of coal；
The cured layer thickness formed after sprinkling is not less than 10mm, and fountain height is no less than 2.2L/m2, uniformly spray, and spray
The marking of cars is not covered afterwards.
Anti-dust effect test is measured using wind erosion rate, and test method is to press down cinder (10-30 mesh) sprinkling quantitatively
Dust agent solution is tested in the wind-tunnel of 30 meter per seconds after being completely dried, is then weighed again, lost after wind-tunnel
Cinder weight divided by dust suppression leading portion cinder, this weight is wind erosion rate.
Embodiment 1
The corn pre-gelatinized starch of the sesbania gum of 5 parts by weight and 55 parts by weight is uniformly mixed, while adding 2~18 ‰
Dust suppression powder is made in food grade preservative；Dust suppression powder is uniformly mixed by colloid mill with water, wherein dust suppression powder and water
Mass ratio is 1:30, and stirs 40 minutes obtained dust suppressants, is delivered to prepared dust suppression agent solution with equipment for liquid transportation
It is spare to store up night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2It is uniformly sprayed on coal dust, the cured layer thickness of formation is big
The marking of cars is not covered after 10mm, dust suppressant sprinkling.After measured, the wind erosion rate of dust suppression agent solution is less than in the present embodiment
10%.
Embodiment 2
The corn pre-gelatinized starch of the sesbania gum of 5 parts by weight and 55 parts by weight is uniformly mixed, while adding 2~18 ‰
Dust suppression powder is made in food grade preservative；Dust suppression powder is uniformly mixed by colloid mill with water, wherein dust suppression powder and water
Mass ratio is 1:150, and stirs 40 minutes obtained dust suppressants, is delivered to prepared dust suppression agent solution with equipment for liquid transportation
It is spare to store up night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 3
The corn pre-gelatinized starch of the sesbania gum of 45 parts by weight and 5 parts by weight is uniformly mixed, while adding 2~18 ‰
Dust suppression powder is made in food grade preservative；Dust suppression powder is uniformly mixed by colloid mill with water, wherein dust suppression powder and water
Mass ratio is 1:150, and stirs 40 minutes obtained dust suppressants, is delivered to prepared dust suppression agent solution with equipment for liquid transportation
It is spare to store up night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 4
The corn pre-gelatinized starch of the sesbania gum of 10 parts by weight and 40 parts by weight is uniformly mixed, while adding 2~18 ‰
Food grade preservative, be made dust suppression powder；Dust suppression powder is uniformly mixed by colloid mill with water, wherein dust suppression powder and water
Mass ratio be 1:90, and stir 40 minutes obtained dust suppressants, prepared dust suppression agent solution is conveyed with equipment for liquid transportation
It is spare to storage night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 5
The corn pre-gelatinized starch of the sesbania gum of 35 parts by weight and 5 parts by weight is uniformly mixed, while adding 2~18 ‰
Dust suppression powder is made in food grade preservative；Dust suppression powder is uniformly mixed by colloid mill with water, wherein dust suppression powder and water
Mass ratio is 1:90, and stirs 40 minutes obtained dust suppressants, is delivered to prepared dust suppression agent solution with equipment for liquid transportation
It is spare to store up night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 6
The corn pre-gelatinized starch of the sesbania gum of 25 parts by weight and 30 parts by weight is uniformly mixed, while adding 2~18 ‰
Food grade preservative, be made dust suppression powder；Dust suppression powder is uniformly mixed by colloid mill with water, wherein dust suppression powder and water
Mass ratio be 1:90, and stir 40 minutes obtained dust suppressants, prepared dust suppression agent solution is conveyed with equipment for liquid transportation
It is spare to storage night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 7
The corn pre-gelatinized starch of the carboxymethyl cellulose of 25 parts by weight and 30 parts by weight is uniformly mixed, while adding 2
Dust suppression powder is made in~18 ‰ food grade preservative；Dust suppression powder is uniformly mixed by colloid mill with water, wherein dust suppression powder
The mass ratio of material and water is 1:90, and stirs 40 minutes obtained dust suppressants, with equipment for liquid transportation that prepared dust suppressant is molten
It is spare that liquid is delivered to storage night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 8
The corn pre-gelatinized starch of the sesbania gum of 10 parts by weight, the carboxymethyl cellulose of 15 parts by weight and 30 parts by weight is mixed
It closes uniformly, while adding 2~18 ‰ food grade preservative, dust suppression powder is made；Dust suppression powder is mixed by colloid mill and water
It closes uniformly, wherein the mass ratio of dust suppression powder and water is 1:90, and stirs 40 minutes obtained dust suppressants, will with equipment for liquid transportation
It is spare that prepared dust suppression agent solution is delivered to storage night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 9
The corn pre-gelatinized starch of the maltodextrin of 25 parts by weight and 30 parts by weight is uniformly mixed, while addition 2~
Dust suppression powder is made in 18 ‰ food grade preservative；Dust suppression powder is uniformly mixed by colloid mill with water, wherein dust suppression powder
It is 1:90 with the mass ratio of water, and stirs 40 minutes obtained dust suppressants, with equipment for liquid transportation by prepared dust suppression agent solution
It is spare to be delivered to storage night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 10
The corn pre-gelatinized starch of the maltodextrin of 10 parts by weight, the xanthan gum of 15 parts by weight and 30 parts by weight is mixed
Uniformly, at the same addition 2~18 ‰ food grade preservative, be made dust suppression powder；Dust suppression powder is mixed by colloid mill with water
Uniformly, wherein the mass ratio of dust suppression powder and water is 1:90, and stirs 40 minutes obtained dust suppressants, will be matched with equipment for liquid transportation
It is spare that the dust suppression agent solution made is delivered to storage night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 11
By the polyacrylamide of 10 parts by weight, the maltodextrin of 5 parts by weight, the xanthan gum of 10 parts by weight and 30 parts by weight
Corn pre-gelatinized starch be uniformly mixed, while add 2~18 ‰ food grade preservative, be made dust suppression powder；By dust suppression powder
Material is uniformly mixed by colloid mill with water, and wherein the mass ratio of dust suppression powder and water is 1:90, and stirs obtained dust suppression in 40 minutes
Agent, with equipment for liquid transportation by prepared dust suppression agent solution be delivered to storage night tank it is spare.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 12
By the sesbania gum of 10 parts by weight, the carboxymethyl cellulose of 5 parts by weight, the polyacrylamide of 5 parts by weight, 5 parts by weight
Latex powder and 30 parts by weight corn pre-gelatinized starch be uniformly mixed, while add 2~18 ‰ food grade preservative, be made
Dust suppression powder；Dust suppression powder is uniformly mixed by colloid mill with water, wherein the mass ratio of dust suppression powder and water is 1:90, and is stirred
Mix 40 minutes obtained dust suppressants, with equipment for liquid transportation by prepared dust suppression agent solution be delivered to storage night tank it is spare.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 13
By the sesbania gum of 5 parts by weight, the carboxymethyl cellulose of 5 parts by weight, the polyacrylamide of 5 parts by weight, 5 parts by weight
The corn pre-gelatinized starch of latex powder, the maltodextrin of 5 parts by weight and 30 parts by weight is uniformly mixed, while adding 2~18 ‰
Food grade preservative, be made dust suppression powder；Dust suppression powder is uniformly mixed by colloid mill with water, wherein dust suppression powder and water
Mass ratio be 1:90, and stir 40 minutes obtained dust suppressants, prepared dust suppression agent solution is conveyed with equipment for liquid transportation
It is spare to storage night tank.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 14
By the sesbania gum of 5 parts by weight, the carboxymethyl cellulose of 5 parts by weight, the polyacrylamide of 5 parts by weight, 5 parts by weight
Latex powder, the maltodextrin of 5 parts by weight, the guar gum of 5 parts by weight and 30 parts by weight corn pre-gelatinized starch be uniformly mixed,
Dust suppression powder is made in the food grade preservative of addition 2~18 ‰ simultaneously；Dust suppression powder is uniformly mixed by colloid mill with water,
Wherein the mass ratio of dust suppression powder and water is 1:90, and stirs 40 minutes obtained dust suppressants, will be prepared with equipment for liquid transportation
Dust suppression agent solution be delivered to storage night tank it is spare.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Embodiment 15
By the sesbania gum of 5 parts by weight, the carboxymethyl cellulose of 5 parts by weight, the polyacrylamide of 5 parts by weight, 5 parts by weight
Latex powder, the maltodextrin of 5 parts by weight, the guar gum of 5 parts by weight, the corn of the xanthan gum of 5 parts by weight and 30 parts by weight are pre-
Gelatinized starch is uniformly mixed, while adding 2~18 ‰ food grade preservative, and dust suppression powder is made；Dust suppression powder is passed through into glue
Body mill is uniformly mixed with water, and wherein the mass ratio of dust suppression powder and water is 1:90, and stirs 40 minutes obtained dust suppressants, uses liquid
Conveying equipment by prepared dust suppression agent solution be delivered to storage night tank it is spare.
Dust suppressant fountain height obtained is no less than 2.2L/m2Uniformly sprinkling, the cured layer thickness of formation are greater than or equal to
10mm does not cover the marking of cars after dust suppressant sprinkling.After measured, in the present embodiment the wind erosion rate of dust suppression agent solution less than 10%.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (6)
1. a kind of dust suppressant for inhibiting miberal powder and exposed ground dust, it is characterised in that: including mass ratio be 1:(30~150)
Dust suppression powder and water, the dust suppression powder include the gelatinizing agent of 5~45 parts by weight, 5~55 parts by weight auxiliary material and account for dust suppression
The food grade preservative of powder gross mass 2~18 ‰, the gelatinizing agent include sesbania gum, carboxymethyl cellulose, polyacrylamide,
One of latex powder, maltodextrin, guar gum, xanthan gum are a variety of, and the auxiliary material is corn pre-gelatinized starch.
2. dust suppressant according to claim 1, it is characterised in that: the corn pre-gelatinized starch is in 40~80 mesh partial size models
Ratio in enclosing is greater than or equal to 60%.
3. dust suppressant according to claim 1, it is characterised in that: in the dust suppression powder, gelatinizing agent is 10~35 weights
Part is measured, auxiliary material is 5~40 parts by weight.
4. a kind of dust suppressant preparation method for inhibiting miberal powder and exposed ground dust, characterized by the following steps:
A, the auxiliary material of the gelatinizing agent of 5~45 parts by weight and 5~55 parts by weight is uniformly mixed, while adds 2~18 ‰ food
Grade preservative, is made dust suppression powder, wherein the gelatinizing agent includes sesbania gum, carboxymethyl cellulose, polyacrylamide, latex
One of powder, maltodextrin, guar gum, xanthan gum are a variety of, and the auxiliary material is corn pre-gelatinized starch；
B, dust suppression powder is uniformly mixed by colloid mill with water, wherein the mass ratio of dust suppression powder and water is 1:(30~150),
And stir at least 40 minutes dust suppressants produced above.
5. dust suppressant preparation method according to claim 4, it is characterised in that: the corn pre-gelatinized starch is 40~80
Ratio in mesh particle size range is greater than or equal to 60%.
6. dust suppressant preparation method according to claim 4, it is characterised in that: in the dust suppression powder, gelatinizing agent is
10~35 parts by weight, auxiliary material are 5~40 parts by weight.
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| CN111073600A (en) * | 2019-12-26 | 2020-04-28 | 神华准格尔能源有限责任公司 | Environment-friendly dust suppressant applied to non-disturbance area of strip mine and preparation method thereof |
| CN111087976A (en) * | 2019-12-30 | 2020-05-01 | 内蒙古科绿源精细化工有限责任公司 | Dust suppressant for stacking and transporting railway coal and mineral powder and preparation method thereof |
| CN111139034A (en) * | 2020-01-22 | 2020-05-12 | 内蒙古科绿源精细化工有限责任公司 | Dust suppressant for coal and iron ore powder storage yard roads and preparation method thereof |
| CN111349421A (en) * | 2020-04-24 | 2020-06-30 | 青岛神州通环保科技有限公司 | Environment-friendly dust suppressant and preparation method thereof |
| CN111349422A (en) * | 2020-04-27 | 2020-06-30 | 北京矿冶科技集团有限公司 | Dust suppressant and preparation method and application thereof |
| CN111662681A (en) * | 2020-07-02 | 2020-09-15 | 河北宝之宏环保科技有限公司 | Crusting type dust suppressant and preparation method thereof |
| CN113462360A (en) * | 2021-08-10 | 2021-10-01 | 北京首创大气环境科技股份有限公司 | Low-viscosity environment-friendly crusting dust suppressant |
| CN113528088A (en) * | 2021-08-10 | 2021-10-22 | 北京首创大气环境科技股份有限公司 | Soil raise dust environment-friendly crusting dust suppressant and preparation method thereof |
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| CN111662681A (en) * | 2020-07-02 | 2020-09-15 | 河北宝之宏环保科技有限公司 | Crusting type dust suppressant and preparation method thereof |
| CN113462360A (en) * | 2021-08-10 | 2021-10-01 | 北京首创大气环境科技股份有限公司 | Low-viscosity environment-friendly crusting dust suppressant |
| CN113528088A (en) * | 2021-08-10 | 2021-10-22 | 北京首创大气环境科技股份有限公司 | Soil raise dust environment-friendly crusting dust suppressant and preparation method thereof |
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Application publication date: 20190419 |