CN111295961B - In-situ greening method and in-situ greening device for electrolytic manganese slag storage yard - Google Patents
In-situ greening method and in-situ greening device for electrolytic manganese slag storage yard Download PDFInfo
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- CN111295961B CN111295961B CN202010287093.6A CN202010287093A CN111295961B CN 111295961 B CN111295961 B CN 111295961B CN 202010287093 A CN202010287093 A CN 202010287093A CN 111295961 B CN111295961 B CN 111295961B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
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Abstract
The invention discloses an in-situ greening method for an electrolytic manganese slag storage yard, which comprises the following steps: s1, field shaping: digging a placing pit along a plurality of contour lines of the electrolytic manganese slag pile; placing an in-situ greening device in the placing pit, wherein the in-situ greening device is of a frame structure, the pH value of the in-situ greening device is alkaline, and the in-situ greening devices positioned on the same contour line are connected; s2, basic greening: planting herbaceous plants along the edge of the placement pit; s3, deep greening: and after the herbaceous plants on the surface layer of the electrolytic manganese slag pile body grow stably, planting woody plants in the in-situ greening device. The method can realize the in-situ planting of woody plants in the electrolytic manganese slag storage yard, reduce the greening and maintenance cost, reduce the entering of pollutants such as manganese compounds, free ammonia and the like in the electrolytic manganese slag into the water environment by utilizing the characteristics of large absorption amount and stable absorption of tall trees to elements such as manganese, sulfur, nitrogen and the like, and comprehensively solve the problems of pollution and ecological restoration of the electrolytic manganese slag storage yard.
Description
Technical Field
The invention relates to the technical field of electrolytic manganese slag transformation, in particular to an in-situ greening method and an in-situ greening device for an electrolytic manganese slag storage yard.
Background
The electrolytic manganese slag is a solid waste produced in the production process of manganese smelting enterprises, the electrolytic manganese slag is mainly used as a building material product at present, the manganese slag is not high in resource utilization degree and is disposed in a stacking mode for a long time, the electrolytic manganese slag is stacked in the open air for a long time, a large amount of land is occupied, large environmental risks are brought, particularly, pollutants such as manganese compounds, free ammonia and the like in the electrolytic manganese slag can enter a water body environment when being washed away by rainfall, and the quality of the water environment around a storage yard is reduced. Meanwhile, dust generated in the electrolytic manganese slag storage yard also influences the quality of surrounding air. In addition, the pile of the electrolytic manganese slag is too high, and is easy to collapse and slide in strong wind and rainy days. Meanwhile, the harmless treatment cost of the electrolytic manganese slag storage yard is higher. The environmental problem caused by long-term open-air stacking of the electrolytic manganese slag is large, the problem of electrolytic manganese slag yard management is urgent, and the current management idea of the electrolytic manganese slag yard is to comprehensively manage the electrolytic manganese slag yard by mainly adopting modes of pile slope cutting, film coating, soil covering, leakage liquid collection, retaining wall, flood interception ditch construction and the like and to implement slope surface greening. However, due to the acidic property of the electrolytic manganese slag, the plants are not easy to grow, and meanwhile, the planting maintenance cost is considered, at present, the greening plants are mainly herbaceous plants, woody plants are few in planting, a large number of trees are transplanted, the cost is high, the popularization and the application are difficult, the yard in-situ tree planting technology needs to be developed, and the problems of pollution and ecological restoration of the electrolytic manganese slag yard can be comprehensively solved only by utilizing the growth of tall trees to absorb a large amount of elements such as manganese, sulfur, nitrogen and the like. In order to solve the key contradiction between the increasing discharge and accumulation of the electrolytic manganese slag and the low resource utilization rate in the electrolytic manganese production process, the plant growth matrix is prepared by utilizing the solid wastes such as the electrolytic manganese slag and the like in a synergistic manner, so that the harmless utilization of the electrolytic manganese slag is solved, the resource recycling of the electrolytic manganese slag is realized, and the electrolytic manganese slag is changed into valuables. Therefore, there is a need for further solutions to the above problems.
Disclosure of Invention
The invention aims to provide an in-situ greening method and an in-situ greening device for an electrolytic manganese slag storage yard, which overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an in-situ greening method for an electrolytic manganese slag storage yard comprises the following steps:
s1, field shaping:
digging a placing pit along a plurality of contour lines of the electrolytic manganese slag pile;
placing an in-situ greening device in the placing pit, wherein the in-situ greening device is of a frame structure, the pH value of the in-situ greening device is alkaline, and the in-situ greening devices located on the same contour line are connected;
s2, basic greening:
planting herbaceous plants along the edge of the placement pit;
enlarging the volume of the in-situ greening device according to the rainfall condition and the plant growth condition;
s3, deep greening:
and after the herbaceous plants on the surface layer of the electrolytic manganese slag pile body grow stably, planting woody plants in the in-situ greening device.
Preferably, the method further comprises the steps of: and a drainage ditch is arranged along the direction of the plurality of slope lines of the electrolytic manganese slag pile body, and the in-situ greening device is communicated with the drainage ditch.
Preferably, the volume of the placing pit is (20-30) × (30-40) × (20-30) cm.
Preferably, the surface of the electrolytic manganese slag pile is 2-3m 2 And digging the placing pit.
Preferably, the volume of the in-situ greening device is enlarged along the direction tangential to the contour line of the electrolytic manganese slag pile body.
Preferably, the placing pit is conical, the opening end of the placing pit is large, and the bottom end of the placing pit is small.
The invention also provides an in-situ greening device for the electrolytic manganese slag storage yard, which comprises a modification part and an expansion part used for expanding the opening and the volume of the modification part,
the modified part is arranged in the electrolytic manganese slag stack body and is communicated with the outside, the modified part comprises a first part and a second part which are arranged in a frame shape in a surrounding mode, the first part and the second part are attached to the electrolytic manganese slag, the first part comprises two plate bodies which are arranged oppositely, and the pH value of the plate bodies is alkaline;
the extension portion include mobile jib, butt piece and both ends respectively with the mobile jib the butt piece rotates the extension rod of connecting, the mobile jib is located in the modification portion, the butt piece with the plate body butt.
Preferably, the second part is a degradable film, and the second part is connected with the side edges of the two plate bodies.
Preferably, the in-situ greening device further comprises a rope body, the rope body is connected with the upper end of the main rod, and the plurality of rope bodies can be connected with each other.
Preferably, a counterweight is arranged at the top end of the main rod.
Preferably, the plate body is made of phosphogypsum, lime and biomass materials.
Compared with the prior art, the invention has the beneficial effects that:
(1) The method can realize the in-situ planting of the woody plants in the electrolytic manganese slag storage yard, reduce the greening and maintenance cost, utilize the characteristics of large absorption capacity and stable absorption of tall trees to elements such as manganese, sulfur, nitrogen and the like, reduce the phenomenon that pollutants such as manganese compounds, free ammonia and the like in the electrolytic manganese slag enter the water environment to cause the reduction of the water environment quality around the storage yard, has better dust-fixing and soil-fixing effects, and comprehensively solves the problems of pollution and ecological restoration of the electrolytic manganese slag storage yard.
(2) According to the method, the electrolytic manganese slag pile is subjected to multi-point modification through field shaping and an alkaline in-situ greening device, so that the acidity of the electrolytic manganese slag pile is reduced, the growth suitability of plants is improved, and then the electrolytic manganese slag pile is subjected to basic greening expansion and deepening modification, so that the growth basification of the plants is realized, a foundation is laid for subsequent deep greening, and the survival rate of woody plant seedlings is improved; meanwhile, the three-dimensional greening of the electrolytic manganese slag storage yard is realized by both basic greening and deep greening, the landscape form is enriched, and the ecological restoration efficiency is improved.
(3) The modification of the electrolytic manganese slag pile body is realized through the in-situ greening device, and meanwhile, the form stability of the electrolytic manganese slag pile body is realized through the serial connection of the in-situ greening devices with the same contour line, so that the probability of collapse and landslide is reduced; and the redundant stored water in the in-situ greening device is timely discharged through the drainage ditch, so that the rainwater flows downwards directionally, and the probability of collapse and landslide of the electrolytic manganese slag pile body is further reduced.
(4) The in-situ greening device is used for forming multi-point water storage in the electrolytic manganese slag stack body, and alkaline substances and other nutrient substances are slowly released outwards through the modification part to perform plant growth matrix modification on the electrolytic manganese slag stack; the opening and the volume of the modification part are enlarged along with rainfall and plant growth through the expansion part, and the water capacity and the radiation range of the modification part are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a construction flow chart of the present invention;
FIG. 2 is an overall schematic view of the present invention applied to an electrolytic manganese slag yard;
fig. 3 is a perspective view of the in-situ greening apparatus according to the present invention.
Specifically, 100-electrolytic manganese slag pile, 200-placing pit, 300-in-situ greening device,
310-a modified part, 311-a first part, 312-a second part, 313-a flume,
320-expansion, 321-main rod, 322-abutment block, 323-expansion rod, 324-counterweight,
330-rope body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1 and 2, the in-situ greening method for the electrolytic manganese slag storage yard sequentially comprises the following steps: s1, field shaping, S2 basic greening and S3 deep greening. The method specifically comprises the following steps:
s1, field shaping:
generally, a plurality of electrolytic manganese slag piles are arranged in an electrolytic manganese slag yard, and a placement pit 200 is dug along a plurality of contour lines of the electrolytic manganese slag piles 100.
The in-situ greening apparatus 300 is placed in the placement pit 200, the in-situ greening apparatus 300 has a frame structure, has an alkaline pH, and connects the in-situ greening apparatuses 300 located on the same contour line.
The volume of the pit 200 is preferably (20-30) × (30-40) × (20-30) cm. In which the pit 200 is placedThe height direction can be vertical to the surface of the electrolytic manganese slag pile, and can also be vertical to the horizontal plane, depending on the specific situation of the electrolytic manganese slag pile body 100. Further preferably, the surface of the electrolytic manganese slag pile is 2-3m 2 And a placing pit 200 is dug, so that the electrolytic manganese slag pile is integrally transformed through the placing pits 200 distributed in a dotted manner, and the radiation is more uniform. The storage pit 200 may be tapered with a large open end and a small bottom end to better receive rainwater.
The in-situ greening device 300 is placed in the placement pit 200, the frame structure of the in-situ greening device is attached to the inner wall of the pit, the in-situ greening devices 300 located at the same contour line can be connected in series into a whole by adopting ropes, the electrolytic manganese slag pile 100 is stable in shape, the probability of collapse and landslide is reduced, natural material ropes such as hemp ropes can be adopted, the degradability is realized, and the pollution to the environment is reduced.
S2, basic greening:
herbaceous plants are planted along the edge of the placing pit 200. The herbaceous plant can be rye grass, clover grass and other pasture. The edge of the placement pit 200 is suitable for plant growth due to the modification of the electrolytic manganese slag by the in-situ greening device 300, and the modification range is further expanded and deepened through higher survival and growth capacity of herbaceous plants, so that the electrolytic manganese slag pile 100 realizes plant growth basification, a foundation is laid for subsequent deep greening, and the survival rate of woody plant seedlings is improved.
The volume of the in-situ greening apparatus 300 is enlarged according to the rainfall condition and the plant growth condition. When rainfall is excessive, the volume of the in-situ greening device 300 is enlarged to store more water, so as to provide water support for plant growth, reduce the scouring of rainwater sliding on the surface of the electrolytic manganese slag pile 100, reduce the outflow of elements and reduce the influence on the surrounding water environment.
Preferably, the volume of the in-situ greening device 300 is enlarged along the direction tangent to the contour line of the electrolytic manganese slag pile 100, namely the enlargement direction is a non-slope direction, so that the influence on the form of the electrolytic manganese slag pile 100 is reduced, and the risks of collapse and landslide are reduced.
S3, deep greening:
after the herbaceous plants on the surface layer of the electrolytic manganese slag pile 100 grow stably, woody plants are planted in the in-situ greening device 300. Through the transformation of the preorder on the electrolytic manganese slag stack body 100, the possibility of planting woody plants in situ in the electrolytic manganese slag stack field is realized, the greening and maintenance cost is reduced, the characteristics of large absorption amount and stable absorption of manganese, sulfur, nitrogen and other elements by tall trees are utilized, the pollutants such as manganese compounds, free ammonia and the like in the electrolytic manganese slag are reduced from entering the water environment, the water environment quality around the stack field is reduced, the dust-fixing and soil-fixing effects of the woody plants are better, and the problems of pollution and ecological restoration of the electrolytic manganese slag stack field are comprehensively solved. Meanwhile, the three-dimensional greening of the electrolytic manganese slag storage yard is realized by both basic greening and deep greening, the landscape form is enriched, and the ecological restoration efficiency is improved.
According to a preferred embodiment of the present invention, further comprising the steps of: a drainage ditch is arranged along the direction of a plurality of slope lines of the electrolytic manganese slag pile body 100, and the in-situ greening device 300 is communicated with the drainage ditch. The redundant stored water in the in-situ greening device 300 is discharged in time through the drainage ditch, so that the rainwater flows downwards directionally, and the probability of collapse and landslide of the electrolytic manganese slag pile 100 is further reduced. The drainage ditch may be provided near the settling pit 200 (in-situ greening apparatus 300) or may be provided therethrough.
As shown in fig. 3, an in-situ greening device 300 for an electrolytic manganese slag yard comprises a modification part 310 and an expansion part 320 for expanding the opening and the volume of the modification part 310.
The modification part 310 is arranged in the electrolytic manganese slag stack body 100 and is communicated with the outside, the modification part 310 comprises a first part 311 and a second part 312 which are enclosed into a frame shape, the first part 311 and the second part 312 are attached to the electrolytic manganese slag, the first part 311 comprises two oppositely arranged plate bodies, and the pH value of the plate bodies is alkaline. Specifically, the plate body can be made of phosphogypsum, lime and biomass materials, wherein the biomass materials include but are not limited to mushroom dregs, crop straw powder, biomass charcoal and the like, and various nutritional ingredients are added. The electrolytic manganese slag stack 100 forms multi-point water storage through the frame structure of the modification part 310, and slowly releases alkaline substances and other nutrient substances outwards, so that the electrolytic manganese slag stack is subjected to plant growth matrix modification.
The expanding portion 320 includes a main rod 321, a contact block 322, and an expanding rod 323 having both ends rotatably connected to the main rod 321 and the contact block 322, respectively, wherein the main rod 321 is located in the modifying portion 310, and the contact block 322 is in contact with the board body. The opening and the volume of the modification part 310 are enlarged by pressing the main rod 321, so that the modification part can store more water during rainfall, gradually enlarge the modification range and provide support for the growth of surrounding plants. Preferably, the top end of the main rod 321 is provided with a weight 324, and the modified part 310 is prevented from collapsing inward by stabilizing the expanded form by the weight 324. It can be understood that, when the woody plant is planted in the in-situ greening apparatus 300, it is preferable to take out the extension part 320 and plant it in the modification part 310, the extension part 320 does not directly modify the electrolytic manganese residue, and thus, its action is substantially completed after the basic greening is completed, and it can be taken out, and the modification part 310 provides an optimum plant growing environment by interacting with the electrolytic manganese residue around it, and thus planting it therein can improve the survival rate of the saplings.
According to a preferred embodiment of the present invention, the second portion 312 is a degradable film, the second portion 312 connects the sides of the two plate bodies, and the degradable film can store moisture better, and it can be understood that, in order to enlarge the volume of the in-situ greening apparatus 300 along the direction tangential to the contour line of the electrolytic manganese slag stack 100, the plate bodies are arranged along the contour line direction, and the degradable film is arranged on the slope surface and the opposite surface of the slope surface. The first part 311 (plate body) and the second part 312 (degradable film) can be degraded, so that the problem of environmental pollution is solved, and beneficial ingredients can be remained in the electrolytic manganese slag storage yard to be slowly released for a long time.
According to a preferred embodiment of the present invention, the in-situ greening apparatus 300 further comprises a rope 330, the rope 330 is connected to the upper end of the main rod 321, and the plurality of ropes 330 can be connected to each other, so as to stabilize the shape of the electrolytic manganese slag pile 100 and reduce the probability of collapse and landslide.
According to a preferred embodiment of the present invention, a water guide groove 313 is provided on any one of the plates for guiding the excess water in the in-situ greening apparatus 300 to a drainage ditch.
In conclusion, the method can realize the in-situ planting of the woody plants in the electrolytic manganese slag storage yard, reduce the greening and maintenance cost, and reduce the quality reduction of the water environment around the storage yard due to the fact that the tall trees have large and stable absorption capacity and absorption stability to elements such as manganese, sulfur, nitrogen and the like, and pollutants such as manganese compounds, free ammonia and the like in the electrolytic manganese slag enter the water environment, and the woody plants have better dust and soil fixing effects, thereby comprehensively solving the problems of pollution and ecological restoration of the electrolytic manganese slag storage yard.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An in-situ greening method for an electrolytic manganese slag storage yard is characterized by comprising the following steps:
s1, field shaping:
digging a placing pit along a plurality of contour lines of the electrolytic manganese slag pile;
placing an in-situ greening device in the placing pit, wherein the in-situ greening device is of a frame structure, the pH value of the in-situ greening device is alkaline, and the in-situ greening devices located on the same contour line are connected;
s2, basic greening:
planting herbaceous plants along the edges of the placement pits;
enlarging the volume of the in-situ greening device according to the rainfall condition and the plant growth condition;
s3, deep greening:
after the herbaceous plants on the surface layer of the electrolytic manganese slag pile body grow stably, planting woody plants in the in-situ greening device;
the in-situ greening device comprises a modification part and an expansion part for expanding the opening and the volume of the modification part,
the modified part is arranged in the electrolytic manganese slag stack body and is communicated with the outside, the modified part comprises a first part and a second part which are arranged in a frame shape in a surrounding mode, the first part and the second part are attached to the electrolytic manganese slag, the first part comprises two plate bodies which are arranged oppositely, and the pH value of the plate bodies is alkaline;
the expansion part comprises a main rod, a butting block and an expansion rod, two ends of the expansion rod are respectively rotatably connected with the main rod and the butting block, the main rod is positioned in the modification part, and the butting block is butted with the plate body; the in-situ greening device also comprises a rope body, wherein the rope body is connected to the upper end of the main rod, and the rope bodies can be mutually connected; the top end of the main rod is provided with a counterweight.
2. The in-situ greening method for the electrolytic manganese slag storage yard according to claim 1, further comprising the steps of: and a drainage ditch is arranged along the direction of the plurality of slope lines of the electrolytic manganese slag pile body, and the in-situ greening device is communicated with the drainage ditch.
3. The in-situ greening method for electrolytic manganese slag yard according to claim 1, wherein the surface of electrolytic manganese slag yard is 2-3m per surface 2 And digging the placing pit.
4. The method for in-situ greening of an electrolytic manganese slag pile field according to claim 1, wherein the volume of the in-situ greening device is enlarged in a direction tangential to the contour line of the electrolytic manganese slag pile body.
5. The method for in-situ greening of an electrolytic manganese slag storage yard according to claim 1, wherein the second part is a degradable film, and the second part connects the side edges of the two plate bodies.
6. The in-situ greening method for the electrolytic manganese slag storage yard according to claim 1, wherein the plate body is made of phosphogypsum, lime and biomass materials.
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| CN209685055U (en) * | 2019-01-29 | 2019-11-26 | 杭州庆业纺织有限公司 | A kind of cake silk device for spreading |
| CN110710409A (en) * | 2019-09-29 | 2020-01-21 | 阳泉煤业（集团）股份有限公司 | Vegetation recovery method for acid coal gangue dump |
| CN110683919A (en) * | 2019-11-14 | 2020-01-14 | 贵州大学 | Optimized formula of ecological restoration improvement matrix for acidic weathered coal gangue storage yard |
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