CN110374081B - Plant sand fixation net - Google Patents
Plant sand fixation net Download PDFInfo
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- CN110374081B CN110374081B CN201910426256.1A CN201910426256A CN110374081B CN 110374081 B CN110374081 B CN 110374081B CN 201910426256 A CN201910426256 A CN 201910426256A CN 110374081 B CN110374081 B CN 110374081B
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- sand fixation
- plant sand
- fixation net
- net
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- 239000004576 sand Substances 0.000 title claims description 80
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 26
- 231100000719 pollutant Toxicity 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 139
- 241000196324 Embryophyta Species 0.000 claims description 73
- 239000010902 straw Substances 0.000 claims description 45
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 238000002386 leaching Methods 0.000 claims description 16
- 239000004927 clay Substances 0.000 claims description 15
- 230000007480 spreading Effects 0.000 claims description 14
- 238000011065 in-situ storage Methods 0.000 claims description 13
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 13
- 150000002910 rare earth metals Chemical class 0.000 claims description 12
- 238000007711 solidification Methods 0.000 claims description 11
- 230000008023 solidification Effects 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 10
- 241001133760 Acoelorraphe Species 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 6
- 229910000278 bentonite Inorganic materials 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- -1 ion rare earth Chemical class 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- 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
- A01G13/00—Protecting plants
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Agronomy & Crop Science (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Environmental Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a plant sand-fixing net and a use method thereof. The defect that pollutants in the fully weathered layer of the abandoned mine are easy to run off in the prior art is overcome.
Description
Technical Field
The invention belongs to the technical field of abandoned mine treatment, and particularly relates to a plant sand fixation net and a use method thereof.
Background
The ion rare earth in-situ leaching process is a mining method in which useful components are selectively leached from heterogeneous ore bodies under natural burial conditions with a leaching agent. Compared with the pool leaching process, the rare earth recovery rate is higher, and the damage to mountain forests, farmlands and landforms is less. Therefore, in the aspect of extracting ionic rare earth, the in-situ leaching process is widely applied.
The ion type rare earth in-situ leaching process needs to excavate a liquid injection well, a liquid collecting ditch, a working platform and the like, the actual in-situ leaching process is carried out on a fully weathered layer inside a mine, after the leaching is finished, the original mine is changed into an ion type rare earth in-situ leaching abandoned mine, and residual pollutants still exist in the abandoned mine under the action of external rainwater and enter the fully weathered layer of a ore body, and finally come out from the fully differentiated layer to pollute the surrounding environment on the mine.
Therefore, how to cure contaminants in fully weathered layers is a technical problem that is highly desirable in the art.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is the defect that pollutants in the existing fully weathered layer of the abandoned mine are easy to run off, and further the plant sand fixation net and the use method thereof are provided.
The plant sand fixation net is a net structure formed by palm leaves and straw warps and wefts, and comprises a first part embedded into the surface layer of the fully weathered layer.
The plant sand fixation net further includes a second portion disposed in a depth direction of the fully weathered layer.
The first portion and the second portion are embedded in the fully weathered layer to form a cover that is open toward the fully weathered layer.
The plant sand fixation net is arranged at the edge position of the fully weathered layer to form an annular net structure surrounding the edge of the fully weathered layer.
Straw is paved on the plant sand fixation net to form a straw layer, and a curing agent is spread on the straw layer.
And uniformly spreading 40-200kg of the curing agent on each square meter of the straw layer.
The straw is at least one of bamboo leaves, reed and rice straw; the curing agent comprises zeolite, bentonite and charcoal.
The application method of the plant sand fixation net comprises the following steps:
injecting clay substances into the fully weathered layer;
spreading straw on a plant sand fixation net to form a straw layer, and spreading a curing agent on the straw layer;
and driving the treated plant sand fixation net into the fully weathered layer, wherein part of the plant sand fixation net stretches into the fully weathered layer, part of the plant sand fixation net leaks out of the fully weathered layer, and a barrier layer is formed in the fully weathered layer, so that the solidification of pollutants in the fully weathered layer is realized.
The plant sand fixation net is of an annular net structure, and a plurality of plant sand fixation nets are sequentially sleeved.
The clay substance is at least one of clay, bentonite, kaolin and montmorillonite.
The fully weathered layer is an ionic rare earth in-situ leaching waste mine, and the ionic rare earth in-situ leaching waste mine sequentially comprises a base layer, a semi-weathered layer and a fully weathered layer from inside to outside.
The technical scheme of the invention has the following advantages:
1. the plant sand fixation net provided by the invention is a net structure formed by palm leaves and straw warps and wefts, and comprises a first part embedded into the surface layer of a fully weathered layer. The reticular structure formed by palm leaves and straw warp and weft knitting has the advantage of high elasticity, and can be effectively embedded into a fully weathered layer to form a barrier layer, so that the solidifying function of pollutants in the fully weathered layer is realized.
2. The plant sand fixation net provided by the invention further comprises a second part arranged in the depth direction of the fully weathered layer. The plant sand fixation net for preventing sand loss is arranged on the full-weathering layer surface and the depth direction of the abandoned mine, and the plant sand fixation net is buried into the full-weathering layer to effectively realize the solidification of pollutants in the full-weathering layer, so that the sand on the surface of the abandoned mine is wrapped, and the problem of sand loss is effectively prevented.
3. According to the plant sand fixation net provided by the invention, the first part and the second part are embedded into the fully weathered layer to form the cover body which is open towards the direction of the fully weathered layer. The cover body can effectively wrap the fully weathered layer, and ensures the solidification effect of pollutants in the fully weathered layer.
4. According to the plant sand fixation net provided by the invention, the plant sand fixation net is arranged at the edge position of the fully weathered layer to form an annular net structure surrounding the edge of the fully weathered layer. The plant sand fixation net with the annular net structure can effectively ensure the solidification effect of pollutants in the fully weathered layer while ensuring the economy.
5. The application method of the plant sand fixation net provided by the invention comprises the following steps: injecting clay substances into the fully weathered layer; spreading straw on a plant sand fixation net to form a straw layer, and spreading a curing agent on the straw layer; and driving the treated plant sand fixation net into the fully weathered layer, wherein part of the plant sand fixation net stretches into the fully weathered layer, part of the plant sand fixation net leaks out of the fully weathered layer, and a barrier layer is formed in the fully weathered layer, so that the solidification of pollutants in the fully weathered layer is realized. Firstly, injecting clay substances into a fully weathered layer, and solidifying the fully differentiated layer by using the clay substances; spreading straw on the curing net to form a straw layer, and spreading a curing agent on the straw layer; and finally, the treated curing net is driven into the fully weathered layer, part of the curing net stretches into the fully weathered layer, part of the curing net leaks out of the fully weathered layer, a barrier layer is formed in the fully weathered layer, and the curing of pollutants in the fully weathered layer is realized. Simultaneously, the curing net, the straw layer and the curing agent are mutually matched to form triple protection, so that not only can the pollutants in the abandoned mine be cured and adsorbed, but also the pollutants entering the abandoned mine outside the abandoned mine can be adsorbed and cured.
6. According to the application method of the plant sand fixation net provided by the invention, the plant sand fixation net is of an annular net structure, and a plurality of plant sand fixation nets are sequentially sleeved. The annular plant sand fixation net which is sleeved in sequence can be effectively embedded into the fully weathered layer while ensuring economy so as to form a barrier layer, and the curing function of pollutants in the fully weathered layer is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a plant sand fixation net according to an embodiment of the present invention;
FIG. 2 is a schematic view of a plant sand fixation net with a first part and a second part according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the positions of a plurality of plant sand fixation nets arranged in a sleeved mode according to the embodiment of the invention;
fig. 4 is a schematic diagram of an in-situ mineral leaching and discarding mine structure of an ionic rare earth with a plant sand fixation net according to an embodiment of the present invention.
Reference numerals illustrate:
1-a plant sand fixation net; 2-a first part; 3-a second part; 4-a straw layer; a 5-base layer; 6-semi-weathered layer; 7-a fully weathered layer; 8-ion type rare earth in-situ leaching abandoned mine.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
The embodiment of the invention provides a plant sand fixation net, as shown in fig. 1 to 4, wherein the plant sand fixation net 1 is a net structure formed by palm leaves and straw warps and wefts, and the net structure formed by the palm leaves and the straw warps and wefts has the advantage of high elasticity, and can be effectively embedded into a fully weathered layer 7 to form a barrier layer, so that the solidification function of pollutants in the fully weathered layer is realized. The plant sand fixation net 1 comprises a first part 2 embedded in the surface layer of the fully weathered layer 7, and a second part 3 arranged in the depth direction of the fully weathered layer 7. The first part 2 and the second part 3 are embedded in the fully weathered layer 7 to form a cover body which is open towards the fully weathered layer 7. Through arranging the plant sand fixation net 1 for preventing sand loss simultaneously on the surface of the full weathered layer 7 and the depth direction of the abandoned mine, the plant sand fixation net 1 is buried into the full weathered layer 7 to effectively realize the solidification of pollutants in the full weathered layer, and the sand on the surface of the abandoned mine is wrapped, so that the problem of sand loss is effectively prevented. Moreover, the cover body can effectively wrap the fully weathered layer 7, so that the curing effect of pollutants in the fully weathered layer is ensured. The fully weathered layer 7 is a fully weathered layer of an ionic rare earth in-situ leaching waste mine 8, and the ionic rare earth in-situ leaching waste mine 8 sequentially comprises a base layer 5, a semi-weathered layer 6 and the fully weathered layer 7 from inside to outside.
In this embodiment, the plant sand fixing net 1 is disposed at the edge of the fully weathered layer 7 to form a ring-shaped net structure around the edge of the fully weathered layer 7. The plant sand fixation net 1 with the annular net structure can effectively ensure the solidification effect of pollutants in the fully weathered layer while ensuring the economy.
In this embodiment, the plant sand fixation net 1 is tiled with straw to form a straw layer 4, and the straw layer 4 is spread with a curing agent. And uniformly spreading 40-200kg of the curing agent on each square meter of the straw layer 4. The straw is at least one of bamboo leaves, reed and rice straw; the curing agent comprises zeolite, bentonite and charcoal. The solidification and adsorption effects of pollutants in the fully weathered layer can be improved by optimizing the types and the contents of clay substances; by optimizing the types and the content of the curing agent, the curing and adsorbing effects of pollutants in the fully weathered layer and pollutants entering the mine outside the abandoned mine can be improved.
The application method of the plant sand fixation net comprises the following steps:
injecting clay substances into the fully weathered layer 7, wherein the clay substances are at least one of clay, bentonite, kaolin and montmorillonite;
spreading straw on the plant sand fixation net 1 to form a straw layer 4, and spreading a curing agent on the straw layer 4;
the treated plant sand fixation net 1 is driven into the fully weathered layer 7, part of the plant sand fixation net 1 stretches into the fully weathered layer 7, part of the plant sand fixation net leaks out of the fully weathered layer 7, a barrier layer is formed in the fully weathered layer 7, and solidification of pollutants in the fully weathered layer 7 is achieved.
Firstly, injecting clay substances into a fully weathered layer, and solidifying the fully differentiated layer by using the clay substances; spreading straw on the curing net to form a straw layer, and spreading a curing agent on the straw layer; and finally, the treated curing net is driven into the fully weathered layer, part of the curing net stretches into the fully weathered layer, part of the curing net leaks out of the fully weathered layer, a barrier layer is formed in the fully weathered layer, and the curing of pollutants in the fully weathered layer is realized. Simultaneously, the curing net, the straw layer and the curing agent are mutually matched to form triple protection, so that not only can the pollutants in the abandoned mine be cured and adsorbed, but also the pollutants entering the abandoned mine outside the abandoned mine can be adsorbed and cured.
The plant sand fixation net 1 is of an annular net structure, and a plurality of plant sand fixation nets 1 are sequentially sleeved. The annular plant sand fixing net 1 which is sleeved in sequence can be effectively embedded into the fully weathered layer 7 to form a barrier layer while ensuring economy, so that the curing function of pollutants in the fully weathered layer is realized.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations are within the scope of the invention as defined by the appended claims.
Claims (9)
1. The plant sand fixation net is characterized in that the plant sand fixation net (1) is a net structure formed by palm leaves and straw warps and wefts, and the plant sand fixation net (1) comprises a first part (2) embedded in the surface layer of a fully weathered layer (7);
the application method of the plant sand fixation net comprises the following steps:
injecting clay substances into the fully weathered layer (7);
spreading straw on the plant sand fixation net (1) to form a straw layer (4), and spreading a curing agent on the straw layer (4);
driving the treated plant sand fixation net (1) into a fully weathered layer (7), wherein part of the plant sand fixation net (1) extends into the fully weathered layer (7), part of the plant sand fixation net leaks out of the fully weathered layer (7), and a barrier layer is formed in the fully weathered layer (7) to realize solidification of pollutants in the fully weathered layer (7);
the plant sand fixation net (1) is of an annular net structure, and the plant sand fixation nets (1) are sequentially sleeved.
2. Plant sand fixation net according to claim 1, characterized in that the plant sand fixation net (1) further comprises a second part (3) arranged in the depth direction of the total regolith (7).
3. A plant sand fixation net according to claim 2, characterized in that the first part (2) and the second part (3) are embedded in the fully weathered layer (7) to form a cover opening in the direction of the fully weathered layer (7).
4. A plant sand fixation net according to any one of claims 1-3, wherein the plant sand fixation net (1) is arranged at the edge position of the fully weathered layer (7) to form an annular net structure around the edge of the fully weathered layer (7).
5. The plant sand fixation net according to claim 1, wherein the plant sand fixation net (1) is paved with straw to form a straw layer (4), and a curing agent is spread on the straw layer (4).
6. The plant sand fixation net according to claim 5, characterized in that 40-200kg of the curing agent is evenly spread on each square meter of the straw layer (4).
7. The plant sand fixation net as claimed in claim 5, wherein the straw is at least one of bamboo leaves, reed and straw; the curing agent comprises zeolite, bentonite and charcoal.
8. The plant sand fixation net as claimed in claim 1, wherein the clay is at least one of clay, bentonite, kaolin, and montmorillonite.
9. The plant sand fixation network according to claim 1, wherein the fully weathered layer (7) is a fully weathered layer of an ionic rare earth in-situ leaching waste mine (8), and the ionic rare earth in-situ leaching waste mine (8) is a bedrock layer (5), a semi-weathered layer (6) and a fully weathered layer (7) in sequence from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426256.1A CN110374081B (en) | 2019-05-21 | 2019-05-21 | Plant sand fixation net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910426256.1A CN110374081B (en) | 2019-05-21 | 2019-05-21 | Plant sand fixation net |
Publications (2)
| Publication Number | Publication Date |
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| CN110374081A CN110374081A (en) | 2019-10-25 |
| CN110374081B true CN110374081B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910426256.1A Active CN110374081B (en) | 2019-05-21 | 2019-05-21 | Plant sand fixation net |
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| CN (1) | CN110374081B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115035421B (en) * | 2022-06-30 | 2023-02-21 | 珠江水利委员会珠江水利科学研究院 | Mangrove forest ecological beach-fixing sand-binding method, device, equipment and storage medium |
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| CN210684647U (en) * | 2019-05-21 | 2020-06-05 | 中节能大地环境修复有限公司 | Plant sand fixation net |
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2019
- 2019-05-21 CN CN201910426256.1A patent/CN110374081B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763532A (en) * | 2011-05-05 | 2012-11-07 | 北京仁创铸造有限公司 | Sand-stabilizing planting method |
| CN202913198U (en) * | 2012-06-18 | 2013-05-01 | 浙江金海环境技术股份有限公司 | Plant fiber sand blocking and stabilizing net |
| CN104322312A (en) * | 2014-11-17 | 2015-02-04 | 青海大学 | Desert area sand stabilizing and vegetation planting structure |
| CN205399389U (en) * | 2016-03-07 | 2016-07-27 | 民勤县成功农业开发有限责任公司 | Sand prevention structure is fixed sand to two -stage |
| CN205681997U (en) * | 2016-06-13 | 2016-11-16 | 王宗明 | A kind of ecological pad is checked winds and fixed drifting sand net |
| CN107119664A (en) * | 2017-06-12 | 2017-09-01 | 娄志平 | The construction method of fillet Sand-fixation net sand-protecting barrier |
| CN107119663A (en) * | 2017-06-12 | 2017-09-01 | 娄志平 | A kind of method for inserting embedding fillet Sand-fixation net construction camber line sand-protecting barrier |
| CN107119662A (en) * | 2017-06-12 | 2017-09-01 | 娄志平 | A kind of method for inserting embedding fillet Sand-fixation net construction splayed sand-protecting barrier |
| CN207802883U (en) * | 2017-12-18 | 2018-09-04 | 重庆三峡环保（集团）有限公司 | A kind of sliceable submerged plant planting device of Water Ecological Recovery |
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| CN210684647U (en) * | 2019-05-21 | 2020-06-05 | 中节能大地环境修复有限公司 | Plant sand fixation net |
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| Publication number | Publication date |
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| CN110374081A (en) | 2019-10-25 |
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