CN109499229A - A kind of Tailings Dam dust suppression spray agent and its application method - Google Patents
A kind of Tailings Dam dust suppression spray agent and its application method Download PDFInfo
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- CN109499229A CN109499229A CN201811548821.3A CN201811548821A CN109499229A CN 109499229 A CN109499229 A CN 109499229A CN 201811548821 A CN201811548821 A CN 201811548821A CN 109499229 A CN109499229 A CN 109499229A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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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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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of Tailings Dam dust suppressions to spray agent, including 20-40 parts of polyvinyl alcohol, 5-10 parts of poly (arylene ether nitrile), 2-5 parts of multivalent metal salt, 1-3 parts of organic crosslinking agent, 40-70 parts of starch and 300-500 parts of water, application method includes preparing AB solution, sprinkling Wheat Straw, spray solution and roll-in solidification.The beneficial effects of the present invention are: polyvinyl alcohol can be chemically crosslinked under the action of organic crosslinking agent in dust suppression spray agent of the present invention, poly (arylene ether nitrile) and multivalent metal salt, which can be complexed, to be reticulated, starch can further enhance the combination of each component, globality is strong after being attached on Wheat Straw, the part penetrated into hole can also increase the adhesive force of surface portion, dry sand of tailings reservoir area can be covered after roll-in for a long time repeatedly, there is preferable dust-proof dustproof effect.
Description
Technical field
The present invention relates to Mineral Dusts to administer field more particularly to a kind of Tailings Dam dust suppression spray agent and its application method.
Background technique
Tailings Dam management is the important component of mine daily management.Tailings Dam fugitive dust especially spring, autumn strong wind day
Gas dry sand of tailings reservoir region tailings fugitive dust causes seriously to pollute and endanger to mine and surrounding enviroment.As Environmental is protected
Pay attention to day by day is protected, environmental protection policy is increasingly stringent, the environmental protection risk that Tailings Dam fugitive dust brings enterprise production and management cost to improve
With social benefit risk.Thus, prevention dry sand of tailings reservoir region fugitive dust is the problem of each mine must face.
The measure of traditional tailing wind-proof dust-suppression mainly has spray watering, earthing, litters curtain and spray solidification cementing agent etc.
Several method.
Spray watering dust-suppression method dust suppression fast speed, but due to tailings own characteristic, sparse good water permeability, surface layer are of short duration
Can be dry and hard rapidly after wet, anti-dust effect is bad.Long-term spray watering also easily leads to saturation line of tailings pond raising to a certain extent,
Influence safety of dam body.Spray watering needs the flushers such as connecting line, spray head, for higher ranked Tailings Dam, long width
From big, spray head point is more, pipeline distance, and spray pressure is insufficient, so that management difficulty is larger, higher cost.
Earthing dust suppression is that more classical dust-suppression method is covered on tailing beach face by manually spreading soil or forklift earthing
The dirt bed of one thickness of lid about 2-3cm, to cover little particle tailings.This method expends a large amount of manpower and material resources, manually spreads local soil type
It is more to knit number, labor intensity is larger, and native uneven, use and maintenance cost height are spread with forklift.In addition, mentioning with environmental requirement
Height, earthing dust suppression mode are faced with problems, and such as covering is big with native dosage, take land sources few.Transportation cost, cost of labor
Etc. various expenses, about 20 yuan of every necromancer cost, higher cost.Meanwhile the earthing time period is long, dust suppression cannot quickly complete, suppression
Dirt effect is poor.A large amount of soil can also occupy effective storage, and the tailing base resource for keeping this rare becomes more nervous.
Woven straw earthing is also a kind of relatively conventional earthing method.Woven straw earthing specifically need manually by it is bundled (or
Volume) woven straw successively drawout, be covered in dry tailings surface.This method is similar to earthing dust suppression, not only needs a large amount of
Manpower and material resources, large labor intensity, and woven straw cost are high, every volume expense be up to 2.8 yuan/it is flat, and woven straw is easy to rot, tool
Once property feature, moves again after exposing to the weather and almost fails.
The method of the cementing tailings surface layer dust suppression of curing agent is a kind of dust-suppression method emerging in recent years, according to the physics of ore
Chemistry analysis makes tailings surface layer form " hardened " shell of some strength in the curing agent of tailings surface layer sprinkling different formulations
Body achievees the effect that dust suppression.In laboratory research, this method simple process, anti-dust effect are preferable, and compression strength reaches
247kPa has stronger water resistance, freezing and thawing performance and blowing-resistant performance.But in actual application, extensive place
Tailings Dam surface is managed, when needing the equipment such as blender, dry type concrete spraying machine, air compressor, and needing according to beach preservation is done
Between length determine curing agent reagent combination, cost factor is affected, economic rationality is greatly affected.
Summary of the invention
The problem that the present invention is poor for existing Tailings Dam wind-proof dust-suppression measure anti-dust effect, consumption is big, at high cost, provides one
Kind Tailings Dam dust suppression spray agent and its application method.
The technical scheme to solve the above technical problems is that a kind of Tailings Dam dust suppression sprays agent, which is characterized in that
According to parts by weight, including following component: 20-40 parts of polyvinyl alcohol, 5-10 parts of poly (arylene ether nitrile), 2-5 parts of multivalent metal salt, organic
1-3 parts of crosslinking agent, 40-70 parts of starch, 300-500 parts of water.
Wherein, the multivalent metal salt is FeCl3、AlCl3Or ZnCl2One of, the organic crosslinking agent is positive silicic acid
One of methyl esters, methacrylic acid or p-methyl benzenesulfonic acid.
Originally it returns and discloses above-mentioned dust suppression spray agent in the application method in dry sand of tailings reservoir area, comprising the following steps:
1) each component is weighed by weight, and water is divided into 2 parts, polyvinyl alcohol and poly (arylene ether nitrile) are dissolved in a water
Obtained solution A, by multivalent metal salt, organic crosslinking agent and starch dissolution in another water obtained solution B, by 2 parts of solution point
It Zhuan Jin not be in spray thrower；
2) Wheat Straw is clipped into 3-5cm long, takes out, is fitted into material spraying machine after the 3-5h that soaks；
3) it will sprinkle water and drench after dry sand of tailings reservoir area progress level treatment, drenching region with the idler wheel that surface is equipped with pillar
Roll-in, makes to drench region and is uniformly distributed circular hole；
4) Wheat Straw is uniformly sprayed with material spraying machine drenching region；
5) solution A and solution B are sprayed with spray thrower in equal volume simultaneously and is drenching region；
6) after 3-5h with round roller by roll-in 3-5 times repeatedly of the region after spray.
The optimization of the effect and economic expenditure of the dust-proof sand prevention in dry sand of tailings reservoir area in order to balance, concrete technology control in this method
Be made as: circular hole density is 4000-9000/m2, Wheat Straw fountain height is 500-1000g/m2, dust suppression spray agent spray flow
For 2-5kg/m2。
The beneficial effects of the present invention are: polyvinyl alcohol can be under the action of organic crosslinking agent in dust suppression of the present invention spray agent
Row chemical crosslinking, poly (arylene ether nitrile) and multivalent metal salt can be complexed, and starch can further enhance the combination of each component, be attached to wheat straw
Globality is strong after on stalk, and the part penetrated into hole can also increase the adhesive force of surface portion, repeatedly can be for a long time after roll-in
Dry sand of tailings reservoir area is covered, there is preferable dust-proof dustproof effect.Compared to existing single curing agent, the present invention is using chemistry
The mode combined with physics, component is simple, and ancillary equipment is few, easy to operate, and dust-proof dustproof effect is good, at low cost.
Specific embodiment
Below in conjunction with example, present invention is described, and the given examples are served only to explain the present invention, is not intended to limit this
The range of invention.
Embodiment 1
A kind of Tailings Dam dust suppression spray agent, according to parts by weight, including following component: 20 parts of polyvinyl alcohol, poly (arylene ether nitrile) 5
Part, FeCl32 parts, methyl orthosilicate part, 40 parts of starch, 300 parts of water.
In the step of dry sand of tailings reservoir area uses the present embodiment are as follows:
1) each component is weighed by weight, and water is divided into 2 parts, polyvinyl alcohol and poly (arylene ether nitrile) are dissolved in a water
Obtained solution A, by multivalent metal salt, organic crosslinking agent and starch dissolution in another water obtained solution B, by 2 parts of solution point
It Zhuan Jin not be in spray thrower；
2) Wheat Straw is clipped into 5cm long, takes out, is fitted into material spraying machine after the 5h that soaks；
3) it will sprinkle water and drench after dry sand of tailings reservoir area progress level treatment, drenching region with the idler wheel that surface is equipped with pillar
Roll-in makes to drench region and is uniformly distributed circular hole, and control circular hole density is 9000/m3；
4) Wheat Straw is uniformly sprayed with material spraying machine drenching region, fountain height 1000g/m2；
5) solution A and solution B are sprayed with spray thrower in equal volume simultaneously and is drenching region, spray flow 2kg/m2；
6) after 3h with round roller by roll-in 5 times repeatedly of the region after spray.
Embodiment 2
A kind of Tailings Dam dust suppression spray agent, according to parts by weight, including following component: 30 parts of polyvinyl alcohol, poly (arylene ether nitrile) 8
Part, AlCl34 parts, 2 parts of methacrylic acid, 55 parts of starch, 400 parts of water.
In the step of dry sand of tailings reservoir area uses the present embodiment are as follows:
1) each component is weighed by weight, and water is divided into 2 parts, polyvinyl alcohol and poly (arylene ether nitrile) are dissolved in a water
Obtained solution A, by multivalent metal salt, organic crosslinking agent and starch dissolution in another water obtained solution B, by 2 parts of solution point
It Zhuan Jin not be in spray thrower；
2) Wheat Straw is clipped into 4cm long, takes out, is fitted into material spraying machine after the 4h that soaks；
3) it will sprinkle water and drench after dry sand of tailings reservoir area progress level treatment, drenching region with the idler wheel that surface is equipped with pillar
Roll-in makes to drench region and is uniformly distributed circular hole, and control circular hole density is 6000/m2；
4) Wheat Straw is uniformly sprayed with material spraying machine drenching region, fountain height 750g/m2；
5) solution A and solution B are sprayed with spray thrower in equal volume simultaneously and is drenching region, spray flow 3.5kg/m2；
6) after 4h with round roller by roll-in 4 times repeatedly of the region after spray.
Embodiment 3
A kind of Tailings Dam dust suppression spray agent, according to parts by weight, including following component: 40 parts of polyvinyl alcohol, poly (arylene ether nitrile)
10 parts, ZnCl25 parts, 3 parts of p-methyl benzenesulfonic acid, 70 parts of starch, 500 parts of water.
In the step of dry sand of tailings reservoir area uses the present embodiment are as follows:
1) each component is weighed by weight, and water is divided into 2 parts, polyvinyl alcohol and poly (arylene ether nitrile) are dissolved in a water
Obtained solution A, by multivalent metal salt, organic crosslinking agent and starch dissolution in another water obtained solution B, by 2 parts of solution point
It Zhuan Jin not be in spray thrower；
2) Wheat Straw is clipped into 3cm long, takes out, is fitted into material spraying machine after the 3h that soaks；
3) it will sprinkle water and drench after dry sand of tailings reservoir area progress level treatment, drenching region with the idler wheel that surface is equipped with pillar
Roll-in makes to drench region and is uniformly distributed circular hole, and control circular hole density is 4000/m2；
4) Wheat Straw is uniformly sprayed with material spraying machine drenching region, fountain height 500g/m2；
5) solution A and solution B are sprayed with spray thrower in equal volume simultaneously and is drenching region, spray flow 5kg/m2；
6) after 5h with round roller by roll-in 3 times repeatedly of the region after spray.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of Tailings Dam dust suppression sprays agent, which is characterized in that according to parts by weight, including following component: polyvinyl alcohol 20-40
Part, 5-10 parts of poly (arylene ether nitrile), 2-5 parts of multivalent metal salt, 1-3 parts of organic crosslinking agent, 40-70 parts of starch, 300-500 parts of water.
2. Tailings Dam dust suppression according to claim 1 sprays agent, which is characterized in that the multivalent metal salt is FeCl3、
AlCl3Or ZnCl2One of.
3. Tailings Dam dust suppression according to claim 1 sprays agent, which is characterized in that the organic crosslinking agent is positive silicic acid first
One of ester, methacrylic acid or p-methyl benzenesulfonic acid.
4. a kind of application method of the Tailings Dam dust suppression spray agent as described in claim 1-3, which is characterized in that including following step
It is rapid:
1) each component is weighed by weight, water is divided into 2 parts, and polyvinyl alcohol and poly (arylene ether nitrile) are dissolved in a water and are made
Solution A, by multivalent metal salt, organic crosslinking agent and starch dissolution in another water obtained solution B, 2 parts of solution are filled respectively
Into in spray thrower；
2) Wheat Straw is clipped into 3-5cm long, takes out, is fitted into material spraying machine after the 3-5h that soaks；
3) it will sprinkle water and drench after dry sand of tailings reservoir area progress level treatment, drenching region roller with the idler wheel that surface is equipped with pillar
Pressure, makes to drench region and is uniformly distributed circular hole；
4) Wheat Straw is uniformly sprayed with material spraying machine drenching region；
5) solution A and solution B are sprayed with spray thrower in equal volume simultaneously and is drenching region；
6) after 3-5h with round roller by roll-in 3-5 times repeatedly of the region after spray.
5. according to the method described in claim 4, it is characterized in that, the circular hole density is 4000-9000/m2。
6. according to the method described in claim 4, it is characterized in that, the Wheat Straw fountain height is 500-1000g/m2。
7. according to the method described in claim 4, it is characterized in that, dust suppression spray agent spray flow is 2-5kg/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548821.3A CN109499229B (en) | 2018-12-18 | 2018-12-18 | Dust suppression spraying agent for tailing pond and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548821.3A CN109499229B (en) | 2018-12-18 | 2018-12-18 | Dust suppression spraying agent for tailing pond and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109499229A true CN109499229A (en) | 2019-03-22 |
| CN109499229B CN109499229B (en) | 2021-04-02 |
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ID=65753531
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811548821.3A Active CN109499229B (en) | 2018-12-18 | 2018-12-18 | Dust suppression spraying agent for tailing pond and application method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0411981A (en) * | 1990-04-27 | 1992-01-16 | Kaken Kogyo Kk | Contaminant removing method and agent |
| CN101292008A (en) * | 2005-12-08 | 2008-10-22 | 蒙诺苏尔有限公司 | Method of dust abatement |
| CN102153991A (en) * | 2010-06-21 | 2011-08-17 | 北京金元易生态工程技术中心 | High-efficiency dust suppressant and preparation method thereof |
| CN103320094A (en) * | 2013-06-28 | 2013-09-25 | 陕西煤业化工技术研究院有限责任公司 | Solid chemical dust suppression agent and preparation method thereof |
| CN106488796A (en) * | 2014-07-21 | 2017-03-08 | 希乐克公司 | Processing biomass |
| CN106833528A (en) * | 2017-02-07 | 2017-06-13 | 鄂尔多斯市贺泰汽车运输有限责任公司 | Starch dust suppressant and preparation method thereof |
| CN107746701A (en) * | 2017-10-21 | 2018-03-02 | 石磊 | A kind of preparation method of the special dust suppressant of soil surface |
| CN107828381A (en) * | 2017-11-16 | 2018-03-23 | 周长胜 | A kind of natural environmental-protective surface dust suppression curing agent and preparation method thereof |
-
2018
- 2018-12-18 CN CN201811548821.3A patent/CN109499229B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0411981A (en) * | 1990-04-27 | 1992-01-16 | Kaken Kogyo Kk | Contaminant removing method and agent |
| CN101292008A (en) * | 2005-12-08 | 2008-10-22 | 蒙诺苏尔有限公司 | Method of dust abatement |
| CN102153991A (en) * | 2010-06-21 | 2011-08-17 | 北京金元易生态工程技术中心 | High-efficiency dust suppressant and preparation method thereof |
| CN103320094A (en) * | 2013-06-28 | 2013-09-25 | 陕西煤业化工技术研究院有限责任公司 | Solid chemical dust suppression agent and preparation method thereof |
| CN106488796A (en) * | 2014-07-21 | 2017-03-08 | 希乐克公司 | Processing biomass |
| CN106833528A (en) * | 2017-02-07 | 2017-06-13 | 鄂尔多斯市贺泰汽车运输有限责任公司 | Starch dust suppressant and preparation method thereof |
| CN107746701A (en) * | 2017-10-21 | 2018-03-02 | 石磊 | A kind of preparation method of the special dust suppressant of soil surface |
| CN107828381A (en) * | 2017-11-16 | 2018-03-23 | 周长胜 | A kind of natural environmental-protective surface dust suppression curing agent and preparation method thereof |
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