CN114988942B - Biological soil for recovering mine vegetation and preparation method thereof - Google Patents
Biological soil for recovering mine vegetation and preparation method thereof Download PDFInfo
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- CN114988942B CN114988942B CN202210590222.8A CN202210590222A CN114988942B CN 114988942 B CN114988942 B CN 114988942B CN 202210590222 A CN202210590222 A CN 202210590222A CN 114988942 B CN114988942 B CN 114988942B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C1/00—Ammonium nitrate fertilisers
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- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- 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
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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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
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- C09K2101/00—Agricultural use
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
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Abstract
The invention discloses biological soil for recovering mine vegetation and a preparation method thereof, which belong to the technical field of mining environment-friendly engineering and comprise the following components in parts by weight: 40-50 parts of starch plastic, 10-15 parts of dried sludge, 10-15 parts of fermented sludge, 5-10 parts of straw, 10-15 parts of humus, 5-8 parts of dead leaf powder, 4-8 parts of wood dust, 5-10 parts of water-retaining agent, 10-15 parts of regulator, 2-5 parts of biological flocculant and 1-3 parts of chelating agent. According to the invention, the starch plastic is used as a base material, the actual soil condition of the mine surface layer is considered, vegetation coverage is lacked, so that the surface soil is extremely easy to erode by rainwater and wind, the biological soil for restoration can be divided into areas by virtue of the sandwich net and the consolidation frame manufactured by the starch plastic, the soil material is fastened by the sandwich net, the erosion resistance and scouring resistance of the biological soil for restoration are improved, and further, the starch plastic is used as the base material, not only can play a role of bonding all components, but also can be degraded.
Description
Technical Field
The invention relates to biological soil, and belongs to the technical field of mining environment-friendly engineering.
Background
The mine is required to destroy mountain vegetation, in the subsequent recovery process, the mountain surface soil is not nutritional, so vegetation cannot be planted, and the existing biological soil for recovery is excessively focused on adding organic matters in the soil to attempt to reconstruct a micro ecological system, so that the nutrition of the surface soil is recovered, the mine surface lacks a stabilizing means, covered soil is extremely easy to suffer from gust and storm erosion, a large amount of loss is caused, and the environment in which vegetation can grow cannot be recovered.
How to research out biological soil for recovering mine vegetation and a preparation method thereof is a current problem to be solved urgently.
Disclosure of Invention
The invention aims to solve the problems in the prior art: the existing biological soil for restoration is excessively focused on adding organic matters in the soil to try to reconstruct a micro-ecological system, so that nutrition of surface soil is restored, the surface layer of a mine lacks a stable means, covered soil is extremely easy to suffer from erosion of storm and storm, and a large amount of loss is caused, and the provided biological soil for restoration of mine vegetation and a preparation method thereof are provided.
The aim of the invention can be achieved by adopting the following technical scheme:
the biological soil for recovering mine vegetation comprises a consolidation frame and a supporting plate arranged on the inner wall of the consolidation frame, wherein a sandwich net is arranged at the top of the supporting plate, a cotton net bag is arranged at the top of the sandwich net, a matrix body is arranged inside the cotton net bag, another sandwich net is arranged at the top of the cotton net bag, a leather layer plate is arranged at the top of the sandwich net, a shroud plate is arranged at the top of the leather layer plate, clamping grooves are formed in two sides of the consolidation frame, clamping columns are arranged in the other two sides of the consolidation frame, consolidation columns are arranged among the four consolidation frames, and leak holes are formed in the consolidation columns;
the cortex plate is composed of wood chips, dead leaf powder and humus;
the composition also comprises the following components in parts by weight: 40-50 parts of starch plastic, 10-15 parts of dried sludge, 10-15 parts of fermented sludge, 5-10 parts of straw, 10-15 parts of humus, 5-8 parts of dead leaf powder, 4-8 parts of wood dust, 5-10 parts of water-retaining agent, 10-15 parts of regulator, 2-5 parts of biological flocculant and 1-3 parts of chelating agent.
Furthermore, the water-retaining agent is composed of one or more of starch grafted acrylate, sodium polyacrylate and polyacrylamide.
Further, the regulator comprises chitin, potassium chloride, ammonium nitrate and cellulase preparation.
Further, the biological flocculant is composed of one or more of aspergillus sojae flocculant, rhodococcus erythropolis flocculant and paecilomyces flocculant.
Further, the chelating agent is made of one of xanthates and dithiocarbamate derivatives.
Further, the dried sludge and the fermented sludge are composed of slag sludge and river basin sludge;
the water content of the dried sludge is lower than 45%, and the pH value of the fermented sludge is 6.5-8.
The preparation method of the biological soil for recovering the mine vegetation comprises the following steps:
s1: processing the appearance; processing the raw materials of each part, shaping the raw materials, and filling the raw materials with the relevant materials conveniently;
s2: mixing and preparing; adding the fermented sludge into a mixing tank, and sequentially adding a regulator, a water-retaining agent, a biological flocculant and a chelating agent according to a proportion to stir;
s3: stacking and combining; placing a consolidation frame on an assembly table, flatly paving a supporting plate at the bottom, stacking a clamping net, forming an adhesive by means of a high-temperature water body and starch plastic, consolidating the supporting plate, a sandwich net and the consolidation frame, placing a cotton net bag, adding mixed fermented sludge into the cotton net bag, adding dry sludge into the cotton net bag for sealing to form a matrix, continuously placing the sandwich net, a cortex plate (6) and a covering plate, and finishing consolidation;
s4, performing S4; sealing for standby; and performing plastic packaging operation on the consolidation frame which is completed with stacking filling.
Further, in step S1, the method specifically includes the following steps:
a1: heating and melting starch plastic particles, and processing a consolidation frame of a frame structure, a consolidation column of a column sleeve structure and a sandwich net of a net structure in a die device and a braiding device respectively;
a2: pressing wood dust and dead leaf powder, adding part of molten starch plastic as adhesive, adhering humus to both sides of pressed plate, and preserving
A3: mixing slag sludge and river pond sludge materials, and dividing the slag sludge and river pond sludge materials into two parts, wherein one part is dried at a low temperature of 40-50 ℃ for 6-10 hours, the other part is piled up and fermented, the temperature is maintained at 60-80 ℃, the humidity is maintained at 40-60%, and the fermentation time is 3-6 hours;
a4: the raw material cotton net is sewn to form a cotton net bag, and the straw is rolled, stacked and pressed to form a supporting plate.
In the step A2, the ambient temperature is 5-15 ℃ and the storage period is 12-36 h.
Further, in step S4, the ambient temperature is maintained at 0 to 5 ℃ and the humidity is maintained at 5 to 15%.
The beneficial technical effects of the invention are as follows: according to the biological soil for mine vegetation restoration and the preparation method thereof, the starch plastic is used as a base material, the actual soil condition of the surface layer of a mine is considered, vegetation coverage is lacked, so that the surface layer soil is extremely easy to erode by rainwater and wind, the biological soil for restoration can be used for regional separation of soil by virtue of a sandwich net and a consolidation frame manufactured by the starch plastic, the soil material is fastened by the sandwich net, the erosion resistance and scouring resistance of the biological soil can be improved, and further, the starch plastic is used as the base material, not only can play a role of bonding all components, but also can degrade the biological soil, and simultaneously can provide energy substances for microbial activities in the soil of a region; the consolidation frames are made of the same material by means of the arrangement of the clamping columns and the clamping grooves, when the consolidation frames are stacked and arranged, the consolidation columns in the middle are clamped mutually, and meanwhile, one corner of each consolidation frame is pressed through a single point, so that the overall resistance can be enhanced; the veneer sheet consists of wood dust, dead leaf powder and humus, creates a microorganism activity space, and is combined with sludge in the matrix body to construct a consolidation frame area ecological system; the water-retaining agent is a functional polymer material with extremely strong water absorption capacity; the fertilizer is nontoxic and harmless, can repeatedly release and absorb water, can absorb fertilizer and pesticide, and can slowly release the fertilizer, thereby improving fertilizer efficiency and pesticide effect; the regulator can provide fertilizer and necessary trace elements for vegetation growth, and the biological flocculant can enable solid suspended particles which are not easy to degrade in the liquid to be condensed and precipitated as special high polymer metabolites; the chelating agent reacts and precipitates heavy metal ions existing in the mountain area, so that the heavy metal ions are prevented from entering the water body or vegetation; through setting up heating and melting process and mould and wire drawing processing for starch plastics can be through a plurality of products of output, and possess certain intensity, and in the cortex board preparation, carry out the low temperature and deposit, can avoid its inside microbiota to suffer destruction, and mud memory separately handles, utilizes fermented sludge to guarantee the stability of base member environment promptly, avoids its rotten, and dry-process mud then can lock most microbiological state to reduce its activity, thereby be favorable to long-time transportation and ground to arrange.
Drawings
FIG. 1 is a schematic diagram of a localized layout according to the present invention;
FIG. 2 is a schematic representation of a zoned architecture according to the present invention;
FIG. 3 is a schematic view of a multi-layer structure according to the present invention;
FIG. 4 is a schematic view of a web bag according to the present invention;
fig. 5 is a schematic view of a consolidated column structure according to the present invention.
In the figure: 1-consolidation frame, 2-consolidation column, 3-clamping groove, 4-clamping column, 5-cladding plate, 6-cladding plate, 7-cotton net bag, 8-supporting plate, 9-sandwich net, 10-basal body and 11-leak.
Detailed Description
In order to make the technical solution of the present invention more clear and obvious to those skilled in the art, the present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
Example 1:
as shown in fig. 1-5, the biological soil for recovering mine vegetation provided by the embodiment comprises a consolidation frame 1 and a supporting plate 8 arranged on the inner wall of the consolidation frame, wherein a sandwich net 9 is arranged at the top of the supporting plate 8, a cotton net bag 7 is arranged at the top of the sandwich net 9, a matrix 10 is arranged inside the cotton net bag 7, another sandwich net 9 is arranged at the top of the cotton net bag 7, a leather layer plate 6 is arranged at the top of the sandwich net 9, a shroud plate 5 is arranged at the top of the shroud plate 6, clamping grooves are arranged on two sides of the consolidation frame 1, clamping columns 4 are arranged on the other two sides of the consolidation frame 1, a consolidation column 2 is arranged between the four consolidation frames 1, and a leak 11 is formed inside the consolidation column 2;
the veneer sheet 6 consists of wood dust, dead leaf powder and humus;
the composition also comprises the following components in parts by weight: 40-50 parts of starch plastic, 10-15 parts of dried sludge, 10-15 parts of fermented sludge, 5-10 parts of straw, 10-15 parts of humus, 5-8 parts of dead leaf powder, 4-8 parts of wood dust, 5-10 parts of water-retaining agent, 10-15 parts of regulator, 2-5 parts of biological flocculant and 1-3 parts of chelating agent.
The water-retaining agent is composed of one or more of starch grafted acrylate, sodium polyacrylate and polyacrylamide;
the regulator comprises chitin, potassium chloride, ammonium hydrogen nitrate and cellulase preparation;
the biological flocculant is composed of one or more of aspergillus sojae flocculant, rhodococcus erythropolis flocculant and paecilomyces flocculant;
the chelating agent is prepared from one of xanthates and dithiocarbamates derivatives;
the dry sludge and the fermented sludge consist of slag sludge and river sludge;
the water content of the dried sludge is lower than 45 percent, and the pH value of the fermented sludge is 6.5-8.
By setting the starch plastic as a base material, taking the actual soil condition of the mine surface layer into consideration, and lacking vegetation coverage, the surface layer soil is extremely easy to erode by rainwater and wind power, the biological soil for restoration can be divided into areas by utilizing the starch plastic to manufacture the sandwich net 9 and the consolidation frame 1, and the sandwich net 9 is utilized to fasten the soil material, so that the erosion resistance and scouring resistance of the biological soil are improved, and further, the starch plastic is used as the base material, not only can play a role of bonding all components, but also can degrade the biological soil, and simultaneously can provide energy substances for microbial activities in the area soil; the consolidation frames 1 are made of the same material by means of the arrangement of the clamping columns 4 and the clamping grooves 3, are mutually clamped when stacked and arranged, and meanwhile, the consolidation columns 2 in the middle are pressed at one corner of the four consolidation frames 1 through the single-point position, so that the overall resistance can be enhanced, the cotton net bags 7 wrap the matrix body 10, and the clamping is completed by means of the supporting plates 8 and the cortex plates 6, so that loss of regional soil and nutrient components in the regional soil is avoided; the veneer sheet 6 is composed of wood dust, dead leaf powder and humus, creates a microorganism activity space, and is combined with sludge in the matrix 10 to construct an ecological system in the area of the consolidation frame 1; the water-retaining agent is a functional polymer material with extremely strong water absorption capacity; the fertilizer is nontoxic and harmless, can repeatedly release and absorb water, can absorb fertilizer and pesticide, and can slowly release the fertilizer, thereby improving fertilizer efficiency and pesticide effect; the regulator can provide fertilizer and necessary trace elements for vegetation growth, and the biological flocculant can enable solid suspended particles which are not easy to degrade in the liquid to be condensed and precipitated as special high polymer metabolites; the chelating agent reacts and precipitates heavy metal ions existing in the mountain area, so that the heavy metal ions are prevented from entering the water body or vegetation.
In this embodiment, the preparation method of the biological soil for mine vegetation restoration provided in this embodiment includes the following steps:
s1: processing the appearance; processing the raw materials of each part, shaping the raw materials, and filling the raw materials with the relevant materials conveniently; the method specifically comprises the following steps:
a1: heating and melting starch plastic particles, and processing a consolidation frame 1 of a frame structure, a consolidation column 2 of a column sleeve structure and a sandwich net 9 of a net structure in a die device and a braiding device respectively;
a2: pressing wood dust and dead leaf powder, adding part of molten starch plastic as an adhesive, respectively adhering humus on two sides of a pressed plate, and preserving after preparation is finished, wherein the environmental temperature is 5-15 ℃ and the storage period is 12-36 h;
a3: mixing slag sludge and river pond sludge materials, and dividing the slag sludge and river pond sludge materials into two parts, wherein one part is dried at a low temperature of 40-50 ℃ for 6-10 hours, the other part is piled up and fermented, the temperature is maintained at 60-80 ℃, the humidity is maintained at 40-60%, and the fermentation time is 3-6 hours;
a4: sewing raw material cotton nets to prepare cotton net bags 7, rolling, stacking and pressing straws to prepare supporting plates 8;
s2: mixing and preparing; adding the fermented sludge into a mixing tank, and sequentially adding a regulator, a water-retaining agent, a biological flocculant and a chelating agent according to a proportion to stir;
s3: stacking and combining; placing the consolidation frame 1 on an assembly table, flatly paving a supporting plate 8 at the bottom, stacking a clamping net 9, forming an adhesive by means of a high-temperature water body and starch plastics, consolidating the supporting plate 8, the sandwich net 9 and the consolidation frame 1, placing a cotton net bag 7, adding mixed fermented sludge into the cotton net bag, adding dry sludge into the cotton net bag for sealing to form a matrix 10, continuously placing the sandwich net 9, the cortex plate 6 and the cover plate 5, and finishing consolidation;
s4, performing S4; sealing for standby; and (3) carrying out plastic packaging operation on the consolidation frame 1 after stacking and filling, and maintaining the ambient temperature to be 0-5 ℃ and the humidity to be 5-15%.
Through setting up heating and melting process and mould and wire drawing processing for starch plastics can be through a plurality of products of output, and possess certain intensity, and in the preparation of cortex board 6, carry out the low temperature and deposit, can avoid its inside microbiota to suffer destruction, and mud memory separately handles, utilizes fermented sludge to guarantee the stability of base member environment promptly, avoids its metamorphism, and dry-made mud then can lock most microbiological state to reduce its activity, thereby be favorable to preserving transportation and ground to arrange for a long time.
In this embodiment, the method for using the biological soil for mine vegetation restoration provided in this embodiment includes the following steps:
b1: removing plastic packaging materials of the single consolidation frame 1, arranging according to mine ground surface planning, and simultaneously inserting consolidation columns 2 in middle areas of the four consolidation frames 1 after the consolidation frames 1 are arranged;
b2: adding part of starch plastics and a certain amount of colloid waste produced by a soil production line into the consolidation column 2, and adding grass seeds at the through holes of the cover plate 5;
b3: after the grass seeds are ripe, sampling and detecting the soil, after the standard is compounded, removing the cover plate 5 and the ripe turf, and planting tree seedlings in the central area of the consolidation frame 1.
Example 2:
as shown in fig. 1-5, the biological soil for recovering mine vegetation provided by the embodiment comprises a consolidation frame 1 and a supporting plate 8 arranged on the inner wall of the consolidation frame, wherein a sandwich net 9 is arranged at the top of the supporting plate 8, a cotton net bag 7 is arranged at the top of the sandwich net 9, a matrix 10 is arranged inside the cotton net bag 7, another sandwich net 9 is arranged at the top of the cotton net bag 7, a leather layer plate 6 is arranged at the top of the sandwich net 9, a shroud plate 5 is arranged at the top of the shroud plate 6, clamping grooves are arranged on two sides of the consolidation frame 1, clamping columns 4 are arranged on the other two sides of the consolidation frame 1, a consolidation column 2 is arranged between the four consolidation frames 1, and a leak 11 is formed inside the consolidation column 2;
the veneer sheet 6 consists of wood dust, dead leaf powder and humus;
the composition also comprises the following components in parts by weight: 40 parts of starch plastic, 10 parts of dried sludge, 10 parts of fermented sludge, 5 parts of straw, 10 parts of humus, 5 parts of dead leaf powder, 4 parts of wood dust, 5 parts of a water-retaining agent, 10 parts of a regulator, 2 parts of a biological flocculant and 1 part of a chelating agent.
The water-retaining agent consists of starch grafted acrylate;
the regulator comprises chitin, potassium chloride, ammonium hydrogen nitrate and cellulase preparation;
the biological flocculant is composed of aspergillus sojae flocculant;
the chelating agent is prepared from xanthate derivatives;
the dry sludge and the fermented sludge consist of slag sludge and river sludge;
the water content of the dried sludge is lower than 45 percent, and the pH value of the fermented sludge is 6.5 to 8;
in this embodiment, the preparation method of the biological soil for mine vegetation restoration provided in this embodiment includes the following steps:
s1: processing the appearance; processing the raw materials of each part, shaping the raw materials, and filling the raw materials with the relevant materials conveniently; the method specifically comprises the following steps:
a1: heating and melting starch plastic particles, and processing a consolidation frame 1 of a frame structure, a consolidation column 2 of a column sleeve structure and a sandwich net 9 of a net structure in a die device and a braiding device respectively;
a2: pressing wood dust and dead leaf powder, adding part of molten starch plastic as an adhesive, respectively adhering humus on two sides of a pressed plate, and preserving after preparation is finished, wherein the environmental temperature is 5-15 ℃ and the storage period is 12-36 h;
a3: mixing slag sludge and river pond sludge materials, and dividing the slag sludge and river pond sludge materials into two parts, wherein one part is dried at a low temperature of 40-50 ℃ for 6-10 hours, the other part is piled up and fermented, the temperature is maintained at 60-80 ℃, the humidity is maintained at 40-60%, and the fermentation time is 3-6 hours;
a4: sewing raw material cotton nets to prepare cotton net bags 7, rolling, stacking and pressing straws to prepare supporting plates 8;
s2: mixing and preparing; adding the fermented sludge into a mixing tank, and sequentially adding a regulator, a water-retaining agent, a biological flocculant and a chelating agent according to a proportion to stir;
s3: stacking and combining; placing the consolidation frame 1 on an assembly table, flatly paving a supporting plate 8 at the bottom, stacking a clamping net 9, forming an adhesive by means of a high-temperature water body and starch plastics, consolidating the supporting plate 8, the sandwich net 9 and the consolidation frame 1, placing a cotton net bag 7, adding mixed fermented sludge into the cotton net bag, adding dry sludge into the cotton net bag for sealing to form a matrix 10, continuously placing the sandwich net 9, the cortex plate 6 and the cover plate 5, and finishing consolidation;
s4, performing S4; sealing for standby; and (3) carrying out plastic packaging operation on the consolidation frame 1 after stacking and filling, and maintaining the ambient temperature to be 0-5 ℃ and the humidity to be 5-15%.
In this embodiment, the method for using the biological soil for mine vegetation restoration provided in this embodiment includes the following steps:
b1: removing plastic packaging materials of the single consolidation frame 1, arranging according to mine ground surface planning, and simultaneously inserting consolidation columns 2 in middle areas of the four consolidation frames 1 after the consolidation frames 1 are arranged;
b2: adding part of starch plastics and a certain amount of colloid waste produced by a soil production line into the consolidation column 2, and adding grass seeds at the through holes of the cover plate 5;
b3: after the grass seeds are ripe, sampling and detecting the soil, after the standard is compounded, removing the cover plate 5 and the ripe turf, and planting tree seedlings in the central area of the consolidation frame 1.
Example 3:
as shown in fig. 1-5, the biological soil for recovering mine vegetation provided by the embodiment comprises a consolidation frame 1 and a supporting plate 8 arranged on the inner wall of the consolidation frame, wherein a sandwich net 9 is arranged at the top of the supporting plate 8, a cotton net bag 7 is arranged at the top of the sandwich net 9, a matrix 10 is arranged inside the cotton net bag 7, another sandwich net 9 is arranged at the top of the cotton net bag 7, a leather layer plate 6 is arranged at the top of the sandwich net 9, a shroud plate 5 is arranged at the top of the shroud plate 6, clamping grooves are arranged on two sides of the consolidation frame 1, clamping columns 4 are arranged on the other two sides of the consolidation frame 1, a consolidation column 2 is arranged between the four consolidation frames 1, and a leak 11 is formed inside the consolidation column 2;
the veneer sheet 6 consists of wood dust, dead leaf powder and humus;
the composition also comprises the following components in parts by weight: 50 parts of starch plastic, 15 parts of dried sludge, 15 parts of fermented sludge, 10 parts of straw, 15 parts of humus, 8 parts of dead leaf powder, 8 parts of wood dust, 10 parts of a water-retaining agent, 15 parts of a regulator, 5 parts of a biological flocculant and 3 parts of a chelating agent.
The water-retaining agent consists of starch grafted acrylate;
the regulator comprises chitin, potassium chloride, ammonium hydrogen nitrate and cellulase preparation;
the biological flocculant is composed of aspergillus sojae flocculant;
the chelating agent is prepared from one of xanthate derivatives;
the dry sludge and the fermented sludge consist of slag sludge and river sludge;
the water content of the dried sludge is lower than 45 percent, and the pH value of the fermented sludge is 6.5 to 8;
in this embodiment, the preparation method of the biological soil for mine vegetation restoration provided in this embodiment includes the following steps:
s1: processing the appearance; processing the raw materials of each part, shaping the raw materials, and filling the raw materials with the relevant materials conveniently; the method specifically comprises the following steps:
a1: heating and melting starch plastic particles, and processing a consolidation frame 1 of a frame structure, a consolidation column 2 of a column sleeve structure and a sandwich net 9 of a net structure in a die device and a braiding device respectively;
a2: pressing wood dust and dead leaf powder, adding part of molten starch plastic as an adhesive, respectively adhering humus on two sides of a pressed plate, and preserving after preparation is finished, wherein the environmental temperature is 5-15 ℃ and the storage period is 12-36 h;
a3: mixing slag sludge and river pond sludge materials, and dividing the slag sludge and river pond sludge materials into two parts, wherein one part is dried at a low temperature of 40-50 ℃ for 6-10 hours, the other part is piled up and fermented, the temperature is maintained at 60-80 ℃, the humidity is maintained at 40-60%, and the fermentation time is 3-6 hours;
a4: sewing raw material cotton nets to prepare cotton net bags 7, rolling, stacking and pressing straws to prepare supporting plates 8;
s2: mixing and preparing; adding the fermented sludge into a mixing tank, and sequentially adding a regulator, a water-retaining agent, a biological flocculant and a chelating agent according to a proportion to stir;
s3: stacking and combining; placing the consolidation frame 1 on an assembly table, flatly paving a supporting plate 8 at the bottom, stacking a clamping net 9, forming an adhesive by means of a high-temperature water body and starch plastics, consolidating the supporting plate 8, the sandwich net 9 and the consolidation frame 1, placing a cotton net bag 7, adding mixed fermented sludge into the cotton net bag, adding dry sludge into the cotton net bag for sealing to form a matrix 10, continuously placing the sandwich net 9, the cortex plate 6 and the cover plate 5, and finishing consolidation;
s4, performing S4; sealing for standby; and (3) carrying out plastic packaging operation on the consolidation frame 1 after stacking and filling, and maintaining the ambient temperature to be 0-5 ℃ and the humidity to be 5-15%.
In this embodiment, the method for using the biological soil for mine vegetation restoration provided in this embodiment includes the following steps:
b1: removing plastic packaging materials of the single consolidation frame 1, arranging according to mine ground surface planning, and simultaneously inserting consolidation columns 2 in middle areas of the four consolidation frames 1 after the consolidation frames 1 are arranged;
b2: adding part of starch plastics and a certain amount of colloid waste produced by a soil production line into the consolidation column 2, adding grass seeds at the through holes of the covering plate 5, and carrying out primary irrigation;
b3: after the grass seeds are ripe, sampling and detecting the soil, after the standard is compounded, removing the cover plate 5 and the ripe turf, and planting tree seedlings in the central area of the consolidation frame 1.
Example 4:
because the invention adopts the space with fixed area as the soil cultivation area, when the comparison experiment is carried out, three kinds of market-selling restoration soil are more convenient to select, mine surface layer coverage is carried out according to the same area, the experiment is carried out for three months, and the soil is sampled and detected to obtain the following data;
the table shows that the product has great advantages in heavy metal deposition, moisture preservation and organic matter improvement, and the product has high strength resistance and is favorable for the growth of subsequent vegetation.
In summary, in this embodiment, according to the biological soil for mine vegetation restoration and the preparation method thereof in this embodiment, starch plastics are provided as a base material, and firstly, starch plastics are provided as a base material, so that actual soil conditions of a mine surface layer are considered, and vegetation coverage is lacking, which leads to that surface layer soil is extremely easy to be eroded by rainwater and wind, the biological soil for restoration can be used for regional separation of soil by virtue of the starch plastics to manufacture a sandwich net 9 and a consolidation frame 1, and the sandwich net 9 is used for fastening the soil material, so that erosion and scouring resistance of the soil material is improved, and further, the starch plastics are provided as a base material, so that not only can the effect of bonding all components be achieved, but also the starch plastics can degrade themselves, and meanwhile, energy substances are provided for microbial activities in the soil of regions; the consolidation frames 1 are made of the same material by means of the arrangement of the clamping columns 4 and the clamping grooves 3, are mutually clamped when stacked and arranged, and meanwhile, the consolidation columns 2 in the middle are pressed at one corner of the four consolidation frames 1 through the single-point position, so that the overall resistance can be enhanced, the cotton net bags 7 wrap the matrix body 10, and the clamping is completed by means of the supporting plates 8 and the cortex plates 6, so that loss of regional soil and nutrient components in the regional soil is avoided; the veneer sheet 6 is composed of wood dust, dead leaf powder and humus, creates a microorganism activity space, and is combined with sludge in the matrix 10 to construct an ecological system in the area of the consolidation frame 1; the water-retaining agent is a functional polymer material with extremely strong water absorption capacity; the fertilizer is nontoxic and harmless, can repeatedly release and absorb water, can absorb fertilizer and pesticide, and can slowly release the fertilizer, thereby improving fertilizer efficiency and pesticide effect; the regulator can provide fertilizer and necessary trace elements for vegetation growth, and the biological flocculant can enable solid suspended particles which are not easy to degrade in the liquid to be condensed and precipitated as special high polymer metabolites; the chelating agent reacts and precipitates heavy metal ions existing in the mountain area, so that the heavy metal ions are prevented from entering the water body or vegetation; through setting up heating and melting process and mould and wire drawing processing for starch plastics can be through a plurality of products of output, and possess certain intensity, and in the preparation of cortex board 6, carry out the low temperature and deposit, can avoid its inside microbiota to suffer destruction, and mud memory separately handles, utilizes fermented sludge to guarantee the stability of base member environment promptly, avoids its metamorphism, and dry-made mud then can lock most microbiological state to reduce its activity, thereby be favorable to preserving transportation and ground to arrange for a long time.
The above is merely a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present invention within the scope of the present invention disclosed in the present invention.
Claims (4)
1. The biological soil for recovering mine vegetation is characterized by comprising a consolidation frame (1) and a supporting plate (8) arranged on the inner wall of the consolidation frame, wherein a sandwich net (9) is arranged at the top of the supporting plate (8), a cotton net bag (7) is arranged at the top of the sandwich net (9), a basal body (10) is arranged inside the cotton net bag (7), another sandwich net (9) is arranged at the top of the cotton net bag (7), a leather layer plate (6) is arranged at the top of the sandwich net, a covering plate (5) is arranged at the top of the leather layer plate (6), clamping grooves are formed in two sides of the consolidation frame (1), clamping columns (4) are arranged at the other two sides of the consolidation frame, and consolidation columns (2) are arranged between the consolidation frame (1), and leak holes (11) are formed in the consolidation columns (2);
the cortex plate (6) is composed of wood dust, dead leaf powder and humus;
the composition also comprises the following components in parts by weight: 40-50 parts of starch plastic, 10-15 parts of dried sludge, 10-15 parts of fermented sludge, 5-10 parts of straw, 10-15 parts of humus, 5-8 parts of dead leaf powder, 4-8 parts of wood dust, 5-10 parts of water-retaining agent, 10-15 parts of regulator, 2-5 parts of biological flocculant and 1-3 parts of chelating agent;
the water-retaining agent is composed of one or more of starch grafted acrylate, sodium polyacrylate and polyacrylamide, the regulator comprises chitin, potassium chloride, ammonium hydrogen nitrate and a cellulase preparation, the biological flocculant is composed of one or more of aspergillus sojae flocculant, rhodococcus erythropolis flocculant and paecilomyces flocculant, and the chelating agent is prepared from one of xanthate and dithiocarbamate derivatives;
the preparation method of the biological soil for recovering the mine vegetation comprises the following steps:
s1: processing the appearance; processing the raw materials of each part, shaping the raw materials, and filling the raw materials with the relevant materials conveniently;
s2: mixing and preparing; adding the fermented sludge into a mixing tank, and sequentially adding a regulator, a water-retaining agent, a biological flocculant and a chelating agent according to a proportion to stir;
s3: stacking and combining; placing the consolidation frame (1) on an assembly table, laying a supporting plate (8) at the bottom, stacking a clamping net (9), forming an adhesive by means of a high-temperature water body and starch plastics, consolidating the supporting plate (8), the sandwich net (9) and the consolidation frame (1), placing a cotton net bag (7), adding mixed fermented sludge into the cotton net bag, adding dry sludge into the cotton net bag, sealing to form a matrix (10), continuously placing the sandwich net (9), the sandwich plate (6) and the cover plate (5), and finishing consolidation;
s4, performing S4; sealing for standby; performing plastic packaging operation on the consolidation frame (1) which is completed with stacking filling;
the preparation method of the biological soil for recovering the mine vegetation specifically comprises the following steps of:
a1: heating and melting starch plastic particles, and processing a consolidation frame (1) of a frame structure, a consolidation column (2) of a column sleeve structure and a sandwich net (9) of a net structure in a die device and a braiding device respectively;
a2: pressing wood dust and dead leaf powder, adding part of molten starch plastic as an adhesive, respectively adhering humus on two sides of a pressed plate, and preserving after preparation is completed;
a3: mixing slag sludge and river pond sludge materials, and dividing the slag sludge and river pond sludge materials into two parts, wherein one part is dried at a low temperature of 40-50 ℃ for 6-10 hours, the other part is piled up and fermented, the temperature is maintained at 60-80 ℃, the humidity is maintained at 40-60%, and the fermentation time is 3-6 hours;
a4: the raw material web is sewn to form a web bag (7), and the straw is rolled, stacked and pressed to form a supporting plate (8).
2. The biological soil for restoration of mine vegetation as claimed in claim 1 wherein the dried sludge and the fermented sludge are composed of slag sludge and river sludge;
the water content of the dried sludge is lower than 45%, and the pH value of the fermented sludge is 6.5-8.
3. The biological soil for recovering mine vegetation according to claim 1, wherein in the step A2, the environmental temperature is 5 to 15 ℃ and the storage period is 12 to 36 hours.
4. The biological soil for mine vegetation restoration according to claim 1, wherein in step S4, the environmental temperature is maintained at 0 to 5 ℃ and the humidity is maintained at 5 to 15%.
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| CN108797612A (en) * | 2018-06-19 | 2018-11-13 | 江苏东珠景观股份有限公司 | A kind of high stability side slope vertical planting ecological restoring method |
| WO2021012537A1 (en) * | 2019-07-25 | 2021-01-28 | 江苏绿岩生态技术股份有限公司 | Slope restoration method |
| CN212436539U (en) * | 2020-06-03 | 2021-02-02 | 广西世逸翔环保科技股份有限公司 | Greening component for vegetation configuration planting based on mine ecological restoration |
| CN112709234A (en) * | 2020-11-25 | 2021-04-27 | 宁波城市阳光环境建设工程有限公司 | Mine ecological restoration system and ecological restoration method |
| CN114190257A (en) * | 2021-12-02 | 2022-03-18 | 青岛润森生态建设工程有限公司 | Anti-scouring soil matrix for vegetation recovery and preparation method and application thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108797612A (en) * | 2018-06-19 | 2018-11-13 | 江苏东珠景观股份有限公司 | A kind of high stability side slope vertical planting ecological restoring method |
| WO2021012537A1 (en) * | 2019-07-25 | 2021-01-28 | 江苏绿岩生态技术股份有限公司 | Slope restoration method |
| CN212436539U (en) * | 2020-06-03 | 2021-02-02 | 广西世逸翔环保科技股份有限公司 | Greening component for vegetation configuration planting based on mine ecological restoration |
| CN112709234A (en) * | 2020-11-25 | 2021-04-27 | 宁波城市阳光环境建设工程有限公司 | Mine ecological restoration system and ecological restoration method |
| CN114190257A (en) * | 2021-12-02 | 2022-03-18 | 青岛润森生态建设工程有限公司 | Anti-scouring soil matrix for vegetation recovery and preparation method and application thereof |
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