CN113115687A - Dust suppressant for greening and preparation method and application thereof - Google Patents
Dust suppressant for greening and preparation method and application thereof Download PDFInfo
- Publication number
- CN113115687A CN113115687A CN201911397140.6A CN201911397140A CN113115687A CN 113115687 A CN113115687 A CN 113115687A CN 201911397140 A CN201911397140 A CN 201911397140A CN 113115687 A CN113115687 A CN 113115687A
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- dust suppressant
- water
- greening
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- mixed material
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/06—Coating or dressing seed
-
- 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
Abstract
The invention provides a dust suppressant for greening and a preparation method and application thereof, and relates to the technical field of environmental protection. The dust suppressant is prepared from the following raw materials in parts by mass: 25-30 parts of sesbania gum, 45-55 parts of a water-retaining agent, 450-550 parts of bentonite, 25-35 parts of grass seeds and 9000-11000 parts of water. The dust suppressant provided by the invention not only can play a role in suppressing dust, but also can improve the germination rate of grass seeds, the germination rate is as high as 95%, and the grass seeds are easy to survive and stably grow.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a dust suppressant for greening and a preparation method and application thereof.
Background
Environmental protection, which is called environmental protection in its entirety, refers to the collective name of various actions that human beings take to solve real or potential environmental problems, coordinate the relationship between human beings and the environment, and guarantee the sustainable development of economy and society. Greening refers to planting protective forests, roadside trees, crops, various plants in residential areas and parks and the like; the greening comprises national soil greening, urban greening, four-side greening, road greening and the like; greening improves environmental hygiene and plays a variety of roles in maintaining ecological balance. Greening plays an important role in environmental protection.
The traditional greening operation is simpler during construction, namely, grass seeds are sprinkled, and water is sprayed. However, for some coal gangue, tailings and other construction surfaces without patterns and nutrition, wind-scraping is performed, water evaporation is fast, seeds cannot normally germinate at all in the germination period, and even if few grass seeds germinate, the seeds cannot normally survive and grow.
Disclosure of Invention
In view of the above, the present invention aims to provide a dust suppressant for greening, and a preparation method and application thereof. The dust suppressant provided by the invention not only can play a role in suppressing dust, but also can improve the germination rate of grass seeds, the germination rate is as high as 95%, and the grass seeds are easy to survive and stably grow.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a dust suppressant for greening, which is prepared from the following raw materials in parts by mass: 25-30 parts of sesbania gum, 45-55 parts of a water-retaining agent, 450-550 parts of bentonite, 25-35 parts of grass seeds and 9000-11000 parts of water.
Preferably, the water retaining agent comprises an acrylamide-acrylate copolymeric cross-link and/or a starch grafted acrylate copolymeric cross-link.
Preferably, the grass seeds comprise one or more of tall fescue, zoysia japonica, bermuda grass and bluegrass.
The invention also provides a preparation method of the dust suppressant in the technical scheme, which comprises the following steps:
(1) mixing the bentonite with part of water to obtain a first mixed material; the part of water accounts for 45-55% of the total water consumption;
(2) mixing the sesbania gum, the water-retaining agent and the residual water to obtain a second mixed material; (3) mixing the second mixed material obtained in the step (2) with grass seeds to obtain a third mixed material;
(4) mixing the first mixed material obtained in the step (1) and the third mixed material obtained in the step (3) to obtain a dust suppressant;
no time sequence is defined between the steps (1) and (2).
The invention also provides the application of the dust suppressant in the technical scheme in greening coal gangue stacking fields.
Preferably, the dust suppressant is sprayed on a construction surface of a coal gangue stacking yard for greening, and the spraying amount of the dust suppressant is 5-10 kg/m2。
The invention also provides the application of the dust suppressant in the technical scheme in greening tailing stacking fields.
Preferably, the dust suppressant is sprayed on the construction surface of a tailing stacking yard for greening, and the spraying amount of the dust suppressant is 5-10 kg/m2。
The invention also provides the application of the dust suppressant in the technical scheme in greening waste ore storage yards.
Preferably, the dust suppressant is sprayed on the construction surface of a waste ore storage yard for greening.
The invention provides a dust suppressant for greening and a preparation method and application thereof. The dust suppressant provided by the invention can form a film on the soil surface, inhibit the evaporation of surface water, and enable seeds to be in a high-humidity environment for a long time, so that the germination rate of grass seeds is greatly improved and is as high as 95%, and the grass seeds are easy to survive and stably grow.
Detailed Description
The invention provides a dust suppressant for greening, which is prepared from the following raw materials in parts by mass: 25-30 parts of sesbania gum, 45-55 parts of a water-retaining agent, 450-550 parts of bentonite, 25-35 parts of grass seeds and 9000-11000 parts of water.
The dust suppressant comprises 25-30 parts by mass of sesbania gum, and preferably 28 parts by mass of sesbania gum. The source of the sesbania gum is not particularly limited, and the sesbania gum can be obtained by adopting a conventional commercial product. In the invention, the sesbania gum has the functions of dust suppression and soil moisture evaporation inhibition.
The dust suppressant comprises 45-55 parts by mass of a water retaining agent, and preferably 50 parts by mass. The water-retaining agent of the present invention is not particularly limited in kind, but preferably an acrylamide-acrylate copolymer cross-linked product and/or a starch graft acrylate copolymer cross-linked product. The source of the water-retaining agent is not particularly limited in the invention, and the water-retaining agent can be prepared from conventional commercial products. In the invention, the water-retaining agent has the functions of water retention and slow release.
The dust suppressant comprises 450-550 parts by mass of bentonite, and preferably 500 parts by mass of bentonite. The source of the bentonite is not particularly limited, and the bentonite can be prepared from conventional commercial products. In the present invention, the bentonite has strong water absorption and can suppress evaporation of surface water.
The dust suppressant comprises 25-35 parts by mass of grass seeds, and preferably 30 parts by mass of grass seeds. The species of the grass seeds are not particularly limited in the present invention, and preferably include one or more of festuca arundinacea, zoysia japonica, bermuda grass and bluegrass. The source of the grass seeds is not particularly limited, and the grass seeds can be obtained by adopting a conventional commercial product.
The invention also provides a preparation method of the dust suppressant in the technical scheme, which comprises the following steps:
(1) mixing the bentonite with part of water to obtain a first mixed material; the part of water accounts for 45-55% of the total amount of water;
(2) mixing the sesbania gum, the water-retaining agent and the residual water to obtain a second mixed material;
(3) mixing the second mixed material obtained in the step (2) with grass seeds to obtain a third mixed material;
(4) mixing the first mixed material obtained in the step (1) and the third mixed material obtained in the step (3) to obtain a dust suppressant;
no time sequence is defined between the steps (1) and (2).
Mixing the bentonite and part of water to obtain a first mixed material; the part of water accounts for 45-55% of the total amount of water, and preferably 50%. The mass ratio of the bentonite to the water is (450-550) - (4500-5500), and preferably 500: 500. The mixing mode is not particularly limited, and the conventional mixing method is adopted.
The sesbania gum, the water-retaining agent and the residual water are mixed to obtain a second mixed material. The mass ratio of the sesbania gum to the water is (25-30): 4500-5500, and preferably 28: 500. In the invention, the sesbania gum, the water retaining agent and water are mixed, and preferably, the sesbania gum and the water retaining agent are mixed and then mixed with the water. The mixing method is not particularly limited, and a conventional mixing method can be adopted.
The obtained first mixed material and the obtained third mixed material are mixed to obtain the dust suppressant. The mixing mode is not particularly limited, and the conventional mixing method is adopted.
The method for using the dust suppressant is not particularly limited, and a spraying method is preferably adopted, and the spraying is preferably carried out by using a water spraying truck. The spraying amount of the dust suppressant of the present invention is preferably 10000kg per 3500 square meters.
The invention also provides the application of the dust suppressant in the technical scheme in greening coal gangue stacking fields. In the invention, the dust suppressant is preferably sprayed on the construction surface of a coal gangue stacking yard for greening, and the spraying amount of the dust suppressant is preferably 5-10 kg/m2More preferably 7 to 9kg/m2。
The invention also provides the application of the dust suppressant in the technical scheme in greening tailing stacking fields. In the invention, the dust suppressant is preferably sprayed on the construction surface of a tailing stacking field for greening, and the spraying amount of the dust suppressant is 5-10 kg/m2More preferably 7 to 9kg/m2。
The invention also provides the application of the dust suppressant in the technical scheme in greening waste ore storage yards. In the present invention, it is preferable that the dust suppressant is sprayed to the construction surface of the waste ore yard for greening.
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The preparation method of the dust suppressant comprises the following steps:
(1) mixing 500kg of bentonite with 5000kg of water to obtain a first mixed material;
(2) mixing 25kg of sesbania gum, 50kg of water-retaining agent polyacrylate grafted starch and 5000kg of water to obtain a second mixed material;
(3) mixing the obtained second mixed material with 30kg of grass seeds to obtain a third mixed material;
(4) and mixing the obtained first mixed material and the obtained third mixed material to obtain the dust suppressant.
The dust suppressant of the invention has a wind erosion rate of 0.9%.
Example 2
The dust suppressant prepared in example 1 is used for greening coal gangue stacking fields:
a construction unit: handan municipal pottery coal mine
Construction address: coal gangue stacking yard
Construction area: 80000 square meters
The construction process comprises the following steps: 200 tons of the dust suppressant prepared in example 1 were sprayed onto a construction area of a coal gangue dump, which was 80000 square meters.
Construction period: spraying for 3 days from 26 months 4 to 28 months 4 and 28 days 2019.
The construction effect is as follows: after the dust suppressant is sprayed, the effect is good when the dust suppressant is observed in 2019, 5 and 16 months. During the period, rain flows in two fields, but the construction surface is not damaged, the grass seeds germinate well, and basic seedlings are grown out. The germination rates of the tested 4 test points are respectively 95%, 96%, 95% and 95%.
Example 3
The dust suppressant prepared in example 1 is used for greening a waste ore storage yard:
a construction unit: medium aluminum coke Co Ltd
Construction address: waste ore piling yard
Construction area: 30000 square meter
The construction process comprises the following steps: 100 tons of the dust suppressant prepared in example 1 was sprayed on a construction area of 30000 square meters in a waste dump.
Construction period: spraying for 3 days from 16 months in 2019 to 18 months in 3 months in 2019
And spraying water on the construction surface twice in 25 days and 30 days, and supplementing water according to 3 kilograms of common underground water per square.
The construction effect is as follows: the dust suppressant is observed in 2019, 4 months and 3 days after being sprayed, and the effect is good. The grass seeds germinate well and the basic seedlings grow well.
The embodiment shows that the greening dust suppressant is not easy to damage in rainy days, the seeds can be kept in a high-humidity environment for a long time by the aid of the greening dust suppressant, germination rate of the grass seeds is greatly improved, and the grass seeds are easy to survive and stably grow.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The dust suppressant for greening is characterized by being prepared from the following raw materials in parts by mass: 25-30 parts of sesbania gum, 45-55 parts of a water-retaining agent, 450-550 parts of bentonite, 25-35 parts of grass seeds and 9000-11000 parts of water.
2. A dust suppressant according to claim 1, wherein said water retaining agent comprises an acrylamide-acrylate copolymer cross-linker and/or a starch graft acrylate copolymer cross-linker.
3. A dust suppressant according to claim 1, wherein the grass seeds comprise one or more of festuca arundinacea, zoysia japonica, bermuda grass and poa annua.
4. A method for preparing a dust suppressant according to any one of claims 1 to 3, characterized by comprising the steps of:
(1) mixing the bentonite with part of water to obtain a first mixed material; the part of water accounts for 45-55% of the total water consumption;
(2) mixing the sesbania gum, the water-retaining agent and the residual water to obtain a second mixed material;
(3) mixing the second mixed material obtained in the step (2) with grass seeds to obtain a third mixed material;
(4) mixing the first mixed material obtained in the step (1) and the third mixed material obtained in the step (3) to obtain a dust suppressant;
no time sequence is defined between the steps (1) and (2).
5. The use of the dust suppressant of any one of claims 1 to 3 in greening coal gangue dump sites.
6. The application of the dust suppressant according to claim 5, wherein the dust suppressant is sprayed on a construction surface of a coal gangue stacking yard for greening, and the spraying amount of the dust suppressant is 5-10 kg/m2。
7. Use of the dust suppressant of any of claims 1 to 3 in greening tailings dumps.
8. The application of claim 7, wherein the dust suppressant is sprayed on the construction surface of a tailing yard for greening, and the spraying amount of the dust suppressant is 5-10 kg/m2。
9. Use of the dust suppressant of any one of claims 1 to 3 in greening dump sites of waste mines.
10. The use of claim 9, wherein the dust suppressant is sprayed onto the construction surface of a dump for greening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397140.6A CN113115687A (en) | 2019-12-30 | 2019-12-30 | Dust suppressant for greening and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397140.6A CN113115687A (en) | 2019-12-30 | 2019-12-30 | Dust suppressant for greening and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113115687A true CN113115687A (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911397140.6A Pending CN113115687A (en) | 2019-12-30 | 2019-12-30 | Dust suppressant for greening and preparation method and application thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113115687A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295915A (en) * | 2011-09-20 | 2011-12-28 | 北京中盛益世环保科技有限公司 | Dust inhibitor |
| CN102304349A (en) * | 2011-05-18 | 2012-01-04 | 北京化工大学 | Mineral powder railway transportation dust suppressant and preparation method thereof |
| CN106010453A (en) * | 2016-07-21 | 2016-10-12 | 合肥市东方美捷分子材料技术有限公司 | Dust prevention and suppression agent |
| CN106675522A (en) * | 2016-12-29 | 2017-05-17 | 河南省九金科技有限公司 | Dust depressor for railway coal transport and use method of dust depressor |
| CN107034904A (en) * | 2017-05-19 | 2017-08-11 | 深圳市方圆环保科技有限公司 | Sow grass seeds by duster fibrous material and preparation method thereof |
| CN107439216A (en) * | 2017-09-19 | 2017-12-08 | 四川大学 | City stockyard dust controlling method |
| CN107520217A (en) * | 2017-09-19 | 2017-12-29 | 四川大学 | City stockyard Dust Improvement construction technology |
-
2019
- 2019-12-30 CN CN201911397140.6A patent/CN113115687A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304349A (en) * | 2011-05-18 | 2012-01-04 | 北京化工大学 | Mineral powder railway transportation dust suppressant and preparation method thereof |
| CN102295915A (en) * | 2011-09-20 | 2011-12-28 | 北京中盛益世环保科技有限公司 | Dust inhibitor |
| CN106010453A (en) * | 2016-07-21 | 2016-10-12 | 合肥市东方美捷分子材料技术有限公司 | Dust prevention and suppression agent |
| CN106675522A (en) * | 2016-12-29 | 2017-05-17 | 河南省九金科技有限公司 | Dust depressor for railway coal transport and use method of dust depressor |
| CN107034904A (en) * | 2017-05-19 | 2017-08-11 | 深圳市方圆环保科技有限公司 | Sow grass seeds by duster fibrous material and preparation method thereof |
| CN107439216A (en) * | 2017-09-19 | 2017-12-08 | 四川大学 | City stockyard dust controlling method |
| CN107520217A (en) * | 2017-09-19 | 2017-12-29 | 四川大学 | City stockyard Dust Improvement construction technology |
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Application publication date: 20210716 |