CN108994076B - Semi-embedded soil remediation ball and using method thereof - Google Patents
Semi-embedded soil remediation ball and using method thereof Download PDFInfo
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- CN108994076B CN108994076B CN201810957139.3A CN201810957139A CN108994076B CN 108994076 B CN108994076 B CN 108994076B CN 201810957139 A CN201810957139 A CN 201810957139A CN 108994076 B CN108994076 B CN 108994076B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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Abstract
The invention discloses a semi-pre-buried soil restoration ball and a using method thereof, belonging to the technical field of soil restoration, the semi-pre-buried soil restoration ball comprises a soil restoration ball and an auxiliary restoration device, the soil restoration ball comprises a main hemisphere and an auxiliary hemisphere, the auxiliary restoration device comprises an internal thread cylinder, an extension pipe and a conical auxiliary rod, the lower end of the main hemisphere is fixedly connected with the internal thread cylinder, the inside of the main hemisphere is communicated with the outside through the internal thread cylinder, a plurality of oil absorption balls are placed in the main hemisphere, a plurality of first air holes which are uniformly distributed are respectively drilled on the internal thread cylinder and the auxiliary hemisphere, the semi-pre-buried soil restoration ball is pre-buried in an area which is easy to cause oil leakage in advance, a method of 'prevention is taken as a main part and treatment is taken as an auxiliary part' is adopted, the oil can be adsorbed firstly when the oil leakage occurs, the harm of the oil leakage to the soil is greatly reduced, and the difficulty and the, is beneficial to the environmental protection and sustainable development.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to a semi-embedded soil remediation ball and a using method thereof.
Background
Soil remediation is a technical measure to restore normal function to contaminated soil. In the soil remediation industry, the existing soil remediation technologies can be more than one hundred, the common technologies can be more than ten, and the existing soil remediation technologies can be roughly divided into three methods, namely physical methods, chemical methods and biological methods. Since the 80 s in the 20 th century, many countries in the world, especially developed countries, have established and developed contaminated soil remediation and remediation programs, thus forming an emerging soil remediation industry.
The remediation of petroleum-polluted soil is a worldwide problem, and the main difficulties are as follows: 1. the soil system is used as a final carrier of the petroleum pollutants, and substances in the system are not uniformly distributed and have poor controllability; 2. petroleum products have complex components and are not beneficial to bioremediation of a single strain; 3. the biodegradability of petroleum products varies with the type and size of its components; 4. the heavy content is high, the bioremediation speed is low, and the toxicity is strong after the bioremediation; 5. pollutants form dynamic phase equilibrium and chemical equilibrium in the local part of the system; 6. the toxic and harmful pollutants change the normal life behavior of the soil-biological system; 7. the hydrophobicity of the petroleum pollutants reduces the biological reactivity; 8. the factors influencing the soil microbial remediation are more, and the research is more difficult.
More importantly, the existing remediation of petroleum-polluted soil is carried out after pollution, which is very unfavorable for environmental protection, particularly in the process of transporting the above-ground petroleum pipelines, the phenomenon of petroleum leakage is easy to occur at joints or complex areas, a certain time is needed for leakage, the soil in the leakage areas can be seriously polluted by the petroleum, the petroleum can go deep into the soil, the remediation of the seriously polluted soil is difficult, the consumed cost is huge, and if the soil cannot be properly remedied, the local ecological environment can be seriously polluted.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a semi-pre-buried soil restoration ball and a using method thereof.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A semi-pre-buried soil restoration ball comprises a soil restoration ball and an auxiliary restoration device, wherein the soil restoration ball comprises a main hemisphere and an auxiliary hemisphere, the auxiliary restoration device comprises an internal thread cylinder, an extension pipe and a conical auxiliary rod, an internal thread cylinder is fixedly connected to the lower end of the main hemisphere, the inside of the main hemisphere is communicated with the outside through the internal thread cylinder, a plurality of oil absorption balls are placed in the main hemisphere, a plurality of first air holes which are uniformly distributed are drilled in the internal thread cylinder and the auxiliary hemisphere, a first through hole is drilled in the upper end of the auxiliary hemisphere, a dustproof mechanism is clamped in the first through hole, a waterproof air-permeable membrane mechanism is fixedly connected to the upper end of the internal thread cylinder, the lower end of the internal thread cylinder is connected with the extension pipe, the lower end of the extension pipe is connected with the conical auxiliary rod, a plurality of second air holes which are uniformly distributed are drilled in the extension pipe, and the second air holes are distributed in a staggered manner, and the soil restoration balls are semi-pre-embedded in the area where oil leakage easily occurs in advance, so that a method of 'prevention as a main part and treatment as an auxiliary part' is adopted, the oil can be adsorbed firstly when the oil leakage occurs, the harm of oil leakage to the soil is greatly reduced, the difficulty and the cost of soil restoration in the later period are greatly reduced, and the environment protection and sustainable development are facilitated.
Furthermore, threaded connection is formed between the main hemisphere and the auxiliary hemisphere, between the internal thread cylinder and the extension pipe, and between the conical auxiliary rod and the extension pipe, so that the assembly and disassembly are convenient, and the mass production is also convenient.
Furthermore, the oil absorption ball is made of high oil absorption resin, can directly absorb petroleum liquid and does not absorb water, the number of the oil absorption balls placed in the main hemisphere is not more than the capacity of the main hemisphere, the main hemisphere and the auxiliary hemisphere are convenient to assemble, the size of the oil absorption ball can be increased after the oil absorption ball absorbs the petroleum liquid, and a certain space needs to be reserved.
Furthermore, protective screens are fixedly connected to the inner side walls of the main hemisphere and the auxiliary hemisphere, the aperture of each protective screen is 1-3 mm, impurities with large volume can be prevented from entering, and petroleum liquid cannot enter the main hemisphere and the auxiliary hemisphere.
Furthermore, dustproof mechanism includes dust screen and dustproof solid fixed ring, dustproof solid fixed ring joint is on first through-hole, the material of dust screen is the nylon materials, the aperture of dust screen is 1-2 millimeters, and the nylon materials is comparatively stable, can prevent that great dust from getting into, is difficult for influencing the oil absorption ball and exerts the effect.
Further, waterproof ventilated membrane mechanism includes waterproof ventilated membrane and waterproof ventilated membrane frame, waterproof ventilated membrane frame joint is convenient for change and installation in an internal thread section of thick bamboo.
Furthermore, the extension pipe is made of PP-B material, the PP-B material has the characteristics of no toxicity, light weight, pressure resistance and corrosion resistance, and can adapt to a complex environment, and the extension pipe is light in weight and convenient to transport.
Furthermore, the conical auxiliary rod is made of hollow stainless steel materials, so that the strength is high, the weight is light, and the extension pipe can be conveniently inserted into the soil through the conical auxiliary rod.
Furthermore, the surfaces of the main hemisphere and the auxiliary hemisphere are coated with oil-repellent layers, so that petroleum liquid cannot be adhered to the surfaces of the main hemisphere and the auxiliary hemisphere and is not easy to dirty.
The utility model provides a half pre-buried formula soil repair ball which characterized in that: the using method comprises the following steps:
firstly, point selection and transportation: all the parts are transported to a place needing semi-embedding in batches, and the semi-embedding place can be a position where petroleum leakage is easy to occur;
secondly, assembling the soil remediation ball: clamping a dustproof mechanism on the auxiliary hemisphere, clamping a waterproof breathable film mechanism on the internal thread cylinder, and placing a proper amount of oil absorption balls in the main hemisphere, wherein the number of the oil absorption balls does not exceed the capacity of the main hemisphere;
thirdly, installing an auxiliary repairing device on the soil repairing ball: the auxiliary hemisphere is in threaded connection with the main hemisphere, the lower end of the internal threaded cylinder is in threaded connection with the extension pipe, and the lower end of the extension pipe is in threaded connection with the conical auxiliary rod, so that assembly can be completed;
fourthly, construction: selecting a proper number of soil repairing balls according to the size of a semi-embedded place and the leakage possibility of petroleum, wherein under the condition that the diameter of a main hemisphere is 20 cm, the number of the soil repairing balls is not less than 3 per square meter in principle, uniformly inserting the soil repairing balls into the soil of the semi-embedded place through an auxiliary repairing device until the main hemisphere is completely positioned in the soil, and optionally using other tools to make holes when encountering a complex environment so as to be convenient for inserting an extension pipe;
fifthly, treatment in case of pollution: when petroleum leakage occurs, the oil absorption ball in the main hemisphere can absorb a large amount of petroleum and increase the volume, and due to the existence of the waterproof and breathable film mechanism, the petroleum cannot enter the extension pipe and cannot pollute deep soil through the extension pipe and the second breathable holes;
sixthly, post-treatment of pollution: the oil-repellent layers are coated on the surfaces of the main hemisphere and the auxiliary hemisphere, so that the main hemisphere and the auxiliary hemisphere are not polluted by petroleum, the auxiliary hemisphere can be taken down in a rotating mode, the oil absorption ball and the waterproof breathable film mechanism are taken out, a proper soil remediation method is selected according to the pollution degree, when the pollution degree is light, that is, when most petroleum does not permeate into soil or permeates into soil shallowly, the waterproof breathable film mechanism can be directly replaced, when the pollution degree is serious, the in-situ microorganism remediation technology can be adopted, the polluted soil is not required to be moved away from the site, N, P and other nutrients are directly put into the polluted soil through the extension pipe and the second vent hole and oxygen is supplied, the metabolic activity of indigenous microorganisms or microorganisms with specific functions in the soil is promoted, pollutants are degraded, the soil can be remediated through the extension pipe and the second vent hole by using a biological ventilation method, and after remediation is finished, a waterproof breathable film mechanism is installed and a new oil absorption ball is replaced.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through half pre-buried soil restoration ball in the regional pre-buried of easily taking place oil leakage in advance, with "prevent as leading, administer as the method of assisting", can adsorb the oil earlier when taking place oil leakage, and only discover among the prior art that the oil leaks to pollute and can only administer, can waste a large amount of intervals between, in interval, it is very likely that the pollution further enlarges to pollute, and, equipment or the material of preparing to administer also can waste a lot of time, it controls again to discover earlier in the prior art to control, reduce the petroleum class by a wide margin and reveal the harm that causes soil, and reduced later stage soil remediation's the degree of difficulty and cost by a wide margin, do benefit to the protection and the sustainable development of environment.
(2) Threaded connection is formed between the main hemisphere and the auxiliary hemisphere, between the internal thread cylinder and the extension pipe, and between the conical auxiliary rod and the extension pipe, so that the auxiliary rod is convenient to disassemble and assemble and is convenient for batch production.
(3) The oil absorption ball is made of high oil absorption resin, can directly absorb petroleum liquid and does not absorb water, the number of the oil absorption balls placed in the main hemisphere is not more than the capacity of the main hemisphere, the main hemisphere and the auxiliary hemisphere are convenient to assemble, the volume of the oil absorption ball can be increased after the oil absorption ball absorbs the petroleum liquid, and a certain space needs to be reserved.
(4) Protective screens are fixedly connected to the inner side walls of the main hemisphere and the auxiliary hemisphere, the aperture of each protective screen is 1-3 mm, impurities with large volume can be prevented from entering, and petroleum liquid cannot enter the main hemisphere and the auxiliary hemisphere.
(5) The dustproof mechanism comprises a dustproof net and a dustproof fixing ring, the dustproof fixing ring is connected to the first through hole in a clamped mode, the dustproof net is made of nylon materials, the aperture of the dustproof net is 1-2 mm, the nylon materials are stable, large dust can be prevented from entering the dustproof net, and the oil suction ball cannot be easily affected to exert an effect.
(6) Waterproof ventilated membrane mechanism includes waterproof ventilated membrane and waterproof breathable membrane frame, and waterproof breathable membrane frame joint is convenient for change and installation in an internal thread section of thick bamboo.
(7) The extension pipe is made of PP-B material, and the PP-B material has the characteristics of no toxicity, light weight, pressure resistance and corrosion resistance, can adapt to a complex environment, and is light in weight and convenient to transport.
(8) The conical auxiliary rod is made of hollow stainless steel materials, is high in strength and light in weight, and facilitates insertion of the extension pipe into soil through the conical auxiliary rod.
(9) The oil-repellent layers are coated on the surfaces of the main hemisphere and the auxiliary hemisphere, so that petroleum liquid cannot be adhered to the surfaces of the main hemisphere and the auxiliary hemisphere and is not easy to stain.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a partial cross-sectional view of the present invention;
FIG. 4 is a schematic view of the present invention in use;
FIG. 5 is a schematic view of the present invention used as an adsorption bar;
fig. 6 is a schematic view of air inlet in the use state of the present invention.
The reference numbers in the figures illustrate:
the device comprises a main hemisphere 1, an internal thread cylinder 2, an auxiliary hemisphere 3, a dustproof mechanism 4, an extension pipe 5, a conical auxiliary rod 6, a first air hole 7, a second air hole 8, an oil absorption ball 9 and a waterproof and breathable film mechanism 10.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, a semi-pre-buried soil remediation ball comprises a soil remediation ball and an auxiliary remediation device, the soil remediation ball comprises a main hemisphere (1) and an auxiliary hemisphere (3), a plurality of oil absorption balls (9) are placed in the main hemisphere (1), the oil absorption balls (9) are made of high oil absorption resin, can directly absorb petroleum liquid and do not absorb water, the number of the oil absorption balls (9) placed in the main hemisphere (1) is not more than the capacity of the main hemisphere (1), the main hemisphere (1) and the auxiliary hemisphere (3) are convenient to assemble, the oil absorption balls (9) can increase in volume after absorbing the petroleum liquid, a certain space needs to be reserved, the inner side walls of the main hemisphere (1) and the auxiliary hemisphere (3) are both fixedly connected with a protective net, the aperture of the protective net is 1-3 mm, and impurities with large volume can be prevented from entering, petroleum liquid is not influenced to enter the main hemisphere (1) and the auxiliary hemisphere (3), and oil-repellent layers are coated on the surfaces of the main hemisphere (1) and the auxiliary hemisphere (3), so that the petroleum liquid cannot be adhered to the surfaces of the main hemisphere (1) and the auxiliary hemisphere (3), and the petroleum liquid is not easily polluted.
Referring to fig. 1-3, the auxiliary repairing device comprises an internal thread cylinder (2), an extension pipe (5) and a conical auxiliary rod (6), the lower end of the main hemisphere (1) is fixedly connected with the internal thread cylinder (2), the inside of the main hemisphere (1) is communicated with the outside through the internal thread cylinder (2), a plurality of first air holes (7) which are uniformly distributed are drilled on the internal thread cylinder (2) and the auxiliary hemisphere (3), a first through hole is drilled at the upper end of the auxiliary hemisphere (3), a dust-proof mechanism (4) is clamped on the first through hole, the dust-proof mechanism (4) comprises a dust-proof net and a dust-proof fixing ring, the dust-proof fixing ring is clamped on the first through hole, the dust-proof net is made of nylon material, the aperture of the dust-proof net is 1-2 mm, the nylon material is stable, large dust can be prevented from entering, and the oil absorption ball (9) is not easily affected to exert the effect, the upper end fixedly connected with waterproof ventilated membrane mechanism (10) of an internal thread section of thick bamboo (2), waterproof ventilated membrane mechanism (10) is including waterproof ventilated membrane and waterproof ventilated membrane frame, waterproof ventilated membrane frame joint is in an internal thread section of thick bamboo (2), is convenient for change and installation, the lower extreme and extension pipe (5) of an internal thread section of thick bamboo (2) are connected, extension pipe (5) are PP-B material, and PP-B material has nontoxic, matter light, withstand voltage and corrosion-resistant characteristic, adaptable more complicated environment, and matter light is convenient for the transportation, toper auxiliary rod (6) are hollow stainless steel material, and intensity is big and the quality is light, is convenient for insert extension pipe (5) in the soil through toper auxiliary rod (6), the lower extreme and the toper auxiliary rod (6) of extension pipe (5) are connected, between main hemisphere (1) and vice hemisphere (3), Be threaded connection between internal thread section of thick bamboo (2) and extension pipe (5), between toper auxiliary rod (6) and extension pipe (5), be convenient for dismantle and equipment, the mass production of also being convenient for, second bleeder vent (8) that cut a plurality of evenly distributed on extension pipe (5), and second bleeder vent (8) are crisscross to be arranged.
A semi-embedded soil remediation ball, which is used by the method:
firstly, point selection and transportation: all the parts are transported to a place needing semi-embedding in batches, and the semi-embedding place can be a position where petroleum leakage is easy to occur;
secondly, assembling the soil remediation ball: the dustproof mechanism (4) is clamped on the auxiliary hemisphere (3), the waterproof breathable film mechanism (10) is clamped on the internal thread cylinder (2), and a proper amount of oil absorption balls (9) are placed in the main hemisphere (1), wherein the number of the oil absorption balls (9) does not exceed the capacity of the main hemisphere (1);
thirdly, installing an auxiliary repairing device on the soil repairing ball: the auxiliary hemisphere (3) is in threaded connection with the main hemisphere (1), the lower end of the internal thread cylinder (2) is in threaded connection with the extension pipe (5), the lower end of the extension pipe (5) is in threaded connection with the conical auxiliary rod (6), and then assembly can be completed;
fourthly, construction: selecting a proper number of soil repairing balls according to the size of a semi-embedded place and the petroleum leakage possibility, under the condition that the diameter of a main hemisphere (1) is 20 cm, in principle, the number of the soil repairing balls is not less than 3 per square meter, uniformly inserting the soil repairing balls into soil of the semi-embedded place through an auxiliary repairing device, and referring to a figure 4 until the main hemisphere (1) is completely positioned in the soil, and when a complex environment is met, optionally using other tools to make a hole, so as to conveniently insert an extension pipe (5);
fifthly, treatment in case of pollution: when petroleum leakage occurs, the oil absorption ball (9) in the main hemisphere (1) can absorb a large amount of petroleum and increase the volume, and due to the existence of the waterproof and breathable film mechanism (10), the petroleum cannot enter the extension pipe (5) and cannot pollute deep soil through the extension pipe (5) and the second breathable hole (8);
sixthly, post-treatment of pollution: the surfaces of the main hemisphere (1) and the auxiliary hemisphere (3) are coated with oil-thinning layers and cannot be polluted by petroleum, the auxiliary hemisphere (3) can be taken down in a rotating mode, the oil absorption ball (9) and the waterproof breathable film mechanism (10) are taken out, a proper soil remediation method is selected according to the pollution degree, when the pollution degree is light, namely most of petroleum does not permeate into soil or permeates shallowly, the waterproof breathable film mechanism (10) can be directly replaced, when the pollution degree is serious, an in-situ microorganism remediation technology can be adopted, the polluted soil is not required to be removed from the site, nutrient substances such as N, P and the like are directly put into the polluted soil through the extension pipe (5) and the second breathable hole (8), the metabolic activity of indigenous oxygen supply microorganisms or specific function microorganisms in the soil is promoted, pollutants are degraded, and the soil remediation can also be carried out by a biological method through the extension pipe (5) and the second breathable hole (8), after the repair is finished, a waterproof breathable film mechanism (10) is installed, and a new oil absorption ball (9) is replaced.
Referring to fig. 5, the soil remediation ball and the auxiliary remediation device can be assembled, the conical auxiliary rod (6) can be taken down, and one end of the extension pipe (5) far away from the main hemisphere (1) can be held by hand to be used as an adsorption tool for petroleum liquid, so that emergency polluting petroleum leakage can be treated conveniently.
Referring to fig. 6, oxygen in the air can sequentially pass through the dust-proof mechanism (4) on the auxiliary hemisphere (3), the waterproof air-permeable membrane mechanism (10) and the second air holes (8) on the extension pipe (5) to enter the deep layer of the soil, so that the metabolic activity of indigenous microorganisms or specific functional microorganisms in the soil can be directly improved, and the self-repairing capability of the soil in the area can be conveniently improved.
According to the scheme, the soil restoration ball is pre-buried in advance in the area where petroleum leakage is prone to occur, and the method of 'preventing the petroleum mainly and treating the petroleum secondarily' is adopted, so that the petroleum can be adsorbed firstly when the petroleum leakage occurs, the harm to the soil caused by petroleum leakage is greatly reduced, the difficulty and cost of soil restoration in the later period are greatly reduced, and the environment protection and sustainable development are facilitated.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a half pre-buried formula soil repair ball, includes soil repair ball and supplementary prosthetic devices, its characterized in that: the soil repairing ball comprises a main hemisphere (1) and an auxiliary hemisphere (3), the auxiliary repairing device comprises an internal thread cylinder (2), an extension pipe (5) and a conical auxiliary rod (6), the lower end of the main hemisphere (1) is fixedly connected with the internal thread cylinder (2), the inside of the main hemisphere (1) is communicated with the outside through the internal thread cylinder (2), a plurality of oil absorption balls (9) are placed in the main hemisphere (1), first air holes (7) which are uniformly distributed are drilled in the internal thread cylinder (2) and the auxiliary hemisphere (3), a first through hole is drilled in the upper end of the auxiliary hemisphere (3), a dustproof mechanism (4) is clamped in the first through hole, a waterproof mechanism (10) is fixedly connected with the upper end of the internal thread cylinder (2), the lower end of the air permeable membrane (2) is connected with the extension pipe (5), the lower end of the extension pipe (5) is connected with the conical auxiliary rod (6), a plurality of second air holes (8) which are uniformly distributed are drilled in the extension pipe (5), and the second air holes (8) are arranged in a staggered mode.
2. The semi-embedded soil remediation ball of claim 1, wherein: the main hemisphere (1) and the auxiliary hemisphere (3), the internal thread cylinder (2) and the extension pipe (5), and the conical auxiliary rod (6) and the extension pipe (5) are in threaded connection.
3. The semi-embedded soil remediation ball of claim 1, wherein: the oil absorption balls (9) are made of high oil absorption resin, and the number of the oil absorption balls (9) placed in the main hemisphere (1) does not exceed the capacity of the main hemisphere (1).
4. The semi-embedded soil remediation ball of claim 1, wherein: protective nets are fixedly connected to the inner side walls of the main hemisphere (1) and the auxiliary hemisphere (3), and the hole diameter of each protective net is 1-3 mm.
5. The semi-embedded soil remediation ball of claim 1, wherein: the dustproof mechanism (4) comprises a dustproof net and a dustproof fixing ring, the dustproof fixing ring is connected to the first through hole in a clamped mode, the dustproof net is made of a nylon material, and the aperture of the dustproof net is 1-2 mm.
6. The semi-embedded soil remediation ball of claim 1, wherein: waterproof ventilated membrane mechanism (10) is including waterproof ventilated membrane and waterproof ventilated membrane frame, waterproof ventilated membrane frame joint is in an internal thread section of thick bamboo (2).
7. The semi-embedded soil remediation ball of claim 1, wherein: the extension pipe (5) is made of PP-B material.
8. The semi-embedded soil remediation ball of claim 1, wherein: the conical auxiliary rod (6) is made of hollow stainless steel materials.
9. The semi-embedded soil remediation ball of claim 1, wherein: the surfaces of the main hemisphere (1) and the auxiliary hemisphere (3) are coated with oil-repellent layers.
10. The semi-embedded soil remediation ball of claim 1, wherein: the using method comprises the following steps:
firstly, point selection and transportation: all the parts are transported to a place needing semi-embedding in batches, and the semi-embedding place is a position where petroleum leakage is easy to occur;
secondly, assembling the soil remediation ball: the dustproof mechanism (4) is clamped on the auxiliary hemisphere (3), the waterproof breathable film mechanism (10) is clamped on the internal thread cylinder (2), and a proper amount of oil absorption balls (9) are placed in the main hemisphere (1), wherein the number of the oil absorption balls (9) does not exceed the capacity of the main hemisphere (1);
thirdly, installing an auxiliary repairing device on the soil repairing ball: the auxiliary hemisphere (3) is in threaded connection with the main hemisphere (1), the lower end of the internal thread cylinder (2) is in threaded connection with the extension pipe (5), the lower end of the extension pipe (5) is in threaded connection with the conical auxiliary rod (6), and then assembly can be completed;
fourthly, construction: selecting a proper number of soil repairing balls according to the size of a semi-embedded place and the petroleum leakage possibility, under the condition that the diameter of the main hemisphere (1) is 20 cm, in principle, the number of the soil repairing balls is not less than 3 per square meter, uniformly inserting the soil repairing balls into the soil of the semi-embedded place through an auxiliary repairing device until the main hemisphere (1) is completely positioned in the soil, and selectively using other tools to make a hole when encountering a complex environment, so that an extension pipe (5) can be conveniently inserted;
fifthly, treatment in case of pollution: when petroleum leakage occurs, the oil absorption ball (9) in the main hemisphere (1) can absorb a large amount of petroleum and increase the volume, and due to the existence of the waterproof and breathable film mechanism (10), the petroleum cannot enter the extension pipe (5) and cannot pollute deep soil through the extension pipe (5) and the second breathable hole (8);
sixthly, post-treatment of pollution: the surfaces of the main hemisphere (1) and the auxiliary hemisphere (3) are coated with oil-thinning layers and cannot be polluted by petroleum, the auxiliary hemisphere (3) is taken down in a rotating mode, the oil absorption ball (9) and the waterproof breathable film mechanism (10) are taken out, a proper soil remediation method is selected according to the pollution degree, when the pollution degree is light, namely most of petroleum does not permeate into soil or permeates shallowly, the waterproof breathable film mechanism (10) is directly replaced, when the pollution degree is serious, an in-situ microorganism remediation technology is adopted, the polluted soil is not required to be moved away from the site, N, P nutrient substances are directly put into the polluted soil through the extension pipe (5) and the second breathable hole (8) and oxygen is supplied, the metabolic activity of indigenous microorganisms or special functional microorganisms in the soil is promoted, pollutants are degraded, or the soil is remedied through the extension pipe (5) and the second breathable hole (8) by using a biological ventilation method, after the repair is finished, the waterproof breathable film mechanism (10) is installed, and the new oil absorption ball (9) is replaced.
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| CN110449451B (en) * | 2019-01-18 | 2021-12-28 | 湖南高岭环保科技有限公司 | Device and method for repairing mine soil polluted by arsenic |
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