CN114472507B - In-situ remediation equipment for organic contaminated soil and remediation method thereof - Google Patents
In-situ remediation equipment for organic contaminated soil and remediation method thereof Download PDFInfo
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- CN114472507B CN114472507B CN202210130199.4A CN202210130199A CN114472507B CN 114472507 B CN114472507 B CN 114472507B CN 202210130199 A CN202210130199 A CN 202210130199A CN 114472507 B CN114472507 B CN 114472507B
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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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- 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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- 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 in-situ remediation equipment for organic contaminated soil and a remediation method thereof, and relates to the technical field of soil remediation. The in-situ restorer comprises a soil taking mechanism fixed on a traction mechanism, wherein the surface of the soil taking mechanism is provided with a restoring mechanism, and the soil taking mechanism conveys soil into the corresponding restoring mechanism through an electric auger assembly; the repairing mechanism comprises a power assembly, a drum screen assembly is arranged in the power assembly, and an abrasive assembly is rotatably connected to the bottom in the drum screen assembly; the bottom of the drum screen assembly is movably connected with an atomization repairing device; the power component is internally and rotatably connected with a soil mixing component. According to the invention, the in-situ restorer is arranged, the soil is collected, crushed and mixed with the microbial restorer, and then returns to the furrows generated by the movement of the in-situ restorer, and the biological restoration of the organic contaminated soil in the whole area is realized through the propagation and diffusion effects of the microbes in the soil, so that the input cost of strains is reduced.
Description
Technical Field
The invention belongs to the technical field of soil remediation, and particularly relates to in-situ remediation equipment for organic contaminated soil and a remediation method thereof.
Background
The organic contaminated soil remediation is a technical measure which reduces the concentration of soil pollutants by adopting physical, chemical, biological and ecological principles and adopting artificial regulation and control measures to realize the harmlessness and stabilization of the pollutants so as to achieve the detoxification effect expected by people. At present, theoretically feasible repair technologies include phytoremediation, microbial remediation, chemical remediation, physical remediation, comprehensive remediation and the like.
Through retrieval, the invention of China is a soil remediation method and soil remediation equipment with the patent number of CN111687196B, and the remediation method comprises the steps that soil leaves the ground; crushing soil; the soil enters a transportation channel; spraying a remediation agent on the soil in the transportation channel; carrying out secondary crushing and oxygen transfer on the soil in the transportation channel; crushing the soil again; the soil can be subjected to short ectopic remediation in situ, the soil enters the transportation channel and is discharged after remediation, the soil does not need to be transported out in an allopatric manner, the soil at different depths can be remedied, the remediation cost is low, the chemical remediation agent is used for remediating the soil, oxygen is blended into the soil, the soil remediation effect is enhanced, and the comprehensive remediation effect is good.
However, in the process of implementing the specific embodiment of the present invention, the inventors of the present application found that the above-mentioned technology has the following disadvantages: (1) The remediation agent can only enter the soil surface in the transportation auger through the penetration holes on the transportation auger, and the remediation agent and the soil cannot be fully mixed, so that the chemical remediation effect of the soil is poor; (2) The synchronous rotation technology of soil grinding and mixing and the technology of intermittent spraying of the repairing agent are not disclosed; (3) Only the technology of single furrow soil remediation is disclosed, and the technology of multi-furrow isolated soil microorganism remediation is not carried out. Therefore, an in-situ remediation device for organic contaminated soil and a remediation method thereof are designed to solve the technical problems.
Disclosure of Invention
The invention aims to provide in-situ remediation equipment for organic contaminated soil and a remediation method thereof, which solve the technical problems in the background technology through the design of a traction mechanism, a soil taking mechanism, a power assembly, a drum screen assembly, an abrasive assembly, an atomization remediation device, a soil mixing assembly and a linkage assembly.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to in-situ remediation equipment for organic contaminated soil and a remediation method thereof, wherein the in-situ remediation equipment comprises a traction mechanism, wherein a plurality of groups of in-situ remediation devices which are obliquely arranged are arranged on the traction mechanism; the in-situ restorer comprises a soil taking mechanism fixed on the traction mechanism, the restoring mechanism is arranged on the surface of the soil taking mechanism, and the soil taking mechanism conveys soil to the inside of the corresponding restoring mechanism through an electric auger assembly in the soil taking mechanism; the repairing mechanism comprises a power assembly, a cylindrical screen assembly with the same axis is installed in the power assembly, an abrasive material assembly is rotatably connected to the bottom in the cylindrical screen assembly, and the power assembly is used for driving the abrasive material assembly to rotate; the bottom of the drum screen assembly is movably connected with an atomization repair device, and the atomization repair device performs intermittent atomization repair through rotation of the abrasive assembly; the inside rotation of power component is connected with and is located the muddy native subassembly of atomizing restorer below, the abrasive material subassembly passes through the linkage subassembly and realizes mixing the synchronous rotation of native subassembly.
Furthermore, the traction mechanism comprises a mounting column, a traction frame is fixed on the surface of the mounting column, and a horizontal included angle between the mounting column and the traction frame is 30-45 degrees; the surface of the mounting column is provided with a mounting groove; the soil taking mechanism comprises a soil circulation assembly and a caliber adjusting assembly; the soil circulating assembly comprises a hollow circulating pipe, a fixing ring sleeved on the mounting column is arranged at the top of the hollow circulating pipe, and a soil taking shovel is arranged at the bottom of the hollow circulating pipe; the peripheral side of the fixed ring is provided with a plurality of mounting holes, and the mounting holes are connected with the mounting grooves through locking pieces.
Furthermore, a soil inlet is arranged on the peripheral side surface of the hollow circulation pipe, and an adjusting cavity is arranged at the top of the soil inlet; the soil inlet is provided with a threaded seat; the caliber adjusting assembly comprises a sealing arc plate in sliding fit with the adjusting cavity, and a threaded rod in threaded fit with the threaded seat is fixed at the bottom of the sealing arc plate; the electric packing auger assembly comprises an electric packing auger body which is rotatably connected with the inner bottom of the hollow circulating pipe, and a plurality of primary crushing rollers are arranged on the surface of the electric packing auger body.
Furthermore, the power assembly comprises a soil output pipe with an upper seal and a lower seal, and the soil output pipe is correspondingly connected with a discharge opening on the hollow circulating pipe through a connecting seat; the top of the soil output pipe is provided with a driving motor, two gear positioning ports are arranged on the upper side and the lower side of the peripheral side of the soil output pipe, and the two gear positioning ports are communicated through a through hole; the linkage assembly comprises a support shaft which is in running fit with the through hole, and linkage gears which are positioned in the gear positioning openings are fixed at two ends of the support shaft.
Further, the drum screen assembly comprises a drum body, and the circumferential side surface of the drum body is fixedly connected with the inner wall of the soil output pipe through a supporting seat; the side of the barrel is provided with sieve pores, and the bottom of the barrel is provided with leak holes.
Further, the grinding material assembly comprises a rotating shaft connected with an output shaft of the driving motor, and an external tooth arc plate meshed with the linkage gear above is fixed on the peripheral side surface of the rotating shaft through a support rod; the utility model discloses a crushing device, including pivot week side, two adjacent tooth mouth scrapers, two are provided with the secondary crushing roller between the tooth mouth scraper blade, be connected with the outside flexible part that is equipped with the elastic component that resets between secondary crushing roller and the pivot.
Furthermore, the atomization repairing device comprises a connecting ring movably connected to the bottom of the cylinder body, a repairing agent container is fixed to the bottom of the connecting ring, and a plurality of atomization nozzles are arranged on the peripheral side face of the repairing agent container; an atomization generating button is arranged at the top of the repairing agent container; the lower end of the rotating shaft is fixed with a plurality of starting pushing pieces through connecting columns.
Furthermore, the soil mixing assembly comprises an annular rotating body, a tooth-shaped annular opening is formed in the peripheral side face of the annular rotating body, and the tooth-shaped annular opening is meshed with a linkage gear below the tooth-shaped annular opening; the top of the annular rotating body is provided with a plurality of partition plates along the annular direction, and particle circulation holes are formed in the surfaces of the partition plates.
A repairing method of an in-situ repairing device for organic contaminated soil comprises the following steps:
the SS01 installs the traction mechanism on the mobile equipment, and drives the soil taking mechanism to carry out soil taking operation on the organic polluted soil through the mobile equipment;
the SS02 conveys the soil stripped by the soil taking shovel to the inside of the drum screen assembly in the soil output pipe after primary crushing through the electric auger assembly, and drives the grinding material assembly to carry out secondary crushing on the soil in the drum screen assembly through the power assembly;
SS03 is subjected to intermittent operation of a secondary crushing roller and a tooth mouth scraper, so that soil particles subjected to secondary crushing pass through sieve holes and leakage holes, and a repairing agent is sprayed to the surfaces of the soil particles through an atomizing nozzle operated intermittently;
the SS04 is sprayed with soil particles of the repairing agent and rolls down to the annular rotating body, the soil sprayed with the repairing agent is evenly mixed through the rotation of the annular rotating body, and then the soil output pipe is discharged from the middle of the annular rotating body under the self gravity of the soil, so that the soil sprayed with the repairing agent returns to the ploughing ditch again.
The invention has the following beneficial effects:
1. according to the invention, by arranging the plurality of groups of in-situ restorers, the soil is collected, crushed and mixed with the microbial restorer, and then returns to the furrows generated by the movement of the in-situ restorer again, so that the distribution of the microorganisms in the soil is realized, and the bioremediation of the organic contaminated soil in the whole area is realized through the propagation and diffusion action of the microorganisms in the soil, so that the input cost of strains is reduced.
2. According to the invention, the position of the sealing arc plate in the adjusting cavity can be adjusted by rotating the threaded rod, so that the adjustment of the size of the soil inlet is met, the biological remediation of organic pollutants in soil with different depths is adapted, and the biological remediation operation of the soil is facilitated.
3. According to the invention, through the specific design of the grinding material component, the soil in the cylinder can be ground, the atomization repairing device is driven to be started intermittently in the rotation process of the grinding material component, the atomized repairing agent can be uniformly dispersed in the soil particles passing through the sieve pores, and the atomization repairing device does not need to be kept in a running state all the time, so that the repairing agent is saved, and the investment cost of the repairing agent is reduced.
4. In the rotation process of the grinding material assembly, the synchronous rotation of the soil mixing assembly is realized through the action of the linkage assembly, so that soil particles mixed with the repairing agent after grinding are fully mixed on the annular rotator, and the uniform dispersion of the microbial repairing agent in soil is favorably improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an in-situ remediation device for organically-polluted soil.
Fig. 2 is a schematic structural view of the traction mechanism.
Fig. 3 is a schematic structural diagram of the soil taking mechanism.
Fig. 4 is a schematic diagram of a soil flow module.
Fig. 5 is a schematic structural view of the caliber adjusting assembly.
Fig. 6 is a schematic structural diagram of the electric auger assembly.
Fig. 7 is a schematic structural view of the repair mechanism.
Fig. 8 is a schematic structural view of the power assembly.
FIG. 9 is a schematic diagram of the construction of an abrasive assembly.
Fig. 10 is a top view of the structure of fig. 9.
Fig. 11 is a schematic structural view of the linkage assembly.
Fig. 12 is a schematic view of a construction of a trommel assembly.
Fig. 13 is a structural schematic view of the bottom view of fig. 12.
Fig. 14 is a schematic structural view of the aerosol repairing apparatus.
Fig. 15 is a schematic structural view of the soil mixing assembly.
In the drawings, the reference numbers indicate the following list of parts:
1-a traction mechanism, 101-a mounting column, 102-a traction frame, 103-a mounting groove, 2-an in-situ restorer, 3-a soil taking mechanism, 31-an electric auger assembly, 311-an electric auger body, 312-a primary crushing roller, 32-a soil circulating assembly, 321-a hollow circulating pipe, 322-a fixing ring, 323-a soil taking shovel, 324-a mounting hole, 325-a soil inlet, 326-a threaded seat, 33-a caliber adjusting assembly, 331-a sealing arc plate, 332-a threaded rod, 4-a restoring mechanism, 41-a power assembly, 411-a soil output pipe, 412-a connecting seat, 413-a driving motor, 414-a gear positioning port, 42-a barrel screen assembly, 421-a barrel, 422-a supporting seat, 423-a sieve hole, 424-a leakage hole, 43-an abrasive assembly, 431-a rotating shaft, 432-an outer tooth arc plate, 433-a tooth mouth scraper, 434-a linked crushing roller, 435-a starting pushing piece, 44-an atomized restorer, 441-an atomized restorer container, 442-an atomized restoring agent container, 442-an atomizing nozzle, 443-an atomizing button, 45-an annular soil mixing assembly, 451-a circular circulating pipe, 454-a spiral hole, 454-a toothed ring-isolating plate, 454-a particle separating plate, 454-a supporting shaft assembly, and a particle-linking and a supporting plate assembly.
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.
Example 1
Referring to fig. 1-15, the present invention is an in-situ remediation apparatus for organically polluted soil, including a traction mechanism 1, wherein the traction mechanism 1 is provided with a plurality of sets of in-situ remediation devices 2 arranged obliquely, and a plurality of furrows can be formed by installing the traction mechanism 1 on a mobile device and using the movement of the plurality of sets of in-situ remediation devices 2 on the surface layer of the soil; the in-situ restorer 2 comprises a soil taking mechanism 3 fixed on the traction mechanism 1, a restoring mechanism 4 is arranged on the surface of the soil taking mechanism 3, the soil taking mechanism 3 conveys soil to the inside of the corresponding restoring mechanism 4 through an electric auger assembly 31 in the soil taking mechanism, soil particles containing a restoring agent after being processed by the restoring mechanism 4 fall back to the corresponding ploughing ditch again, the distribution of microorganisms in the soil is realized, the biological restoration of the organic polluted soil in the whole area is realized through the propagation and diffusion action of the microorganisms in the soil, and the input cost of strains is reduced;
the repairing mechanism 4 comprises a power assembly 41, a coaxial drum screen assembly 42 is installed inside the power assembly 41, an abrasive assembly 43 is rotatably connected to the bottom inside the drum screen assembly 42 and used for grinding soil inside the drum screen assembly 42, and the power assembly 41 is used for driving the abrasive assembly 43 to rotate;
the bottom of the drum screen assembly 42 is movably connected with an atomization repair device 44, and the atomization repair device 44 performs intermittent atomization repair through rotation of the abrasive assembly 43; in the process of rotating the abrasive component 43, the atomizing repair device 44 can be driven to intermittently rotate, so that the atomizing repair device 44 can be intermittently started;
the power assembly 41 is rotatably connected with a soil mixing assembly 45 positioned below the atomization repair device 44, and the abrasive assembly 43 realizes the synchronous rotation of the soil mixing assembly 45 through a linkage assembly 46; in the rotation process of the abrasive assembly 43, the soil mixing assembly 45 synchronously rotates under the action of the linkage assembly 46, so that soil particles mixed with the repairing agent after grinding are fully mixed on the soil mixing assembly 45, and the uniform dispersion of the microbial repairing agent in soil is favorably improved.
In the embodiment, the traction mechanism 1 comprises a mounting column 101, a traction frame 102 is fixed on the surface of the mounting column 101, and a horizontal included angle between the mounting column 101 and the traction frame 102 is 30-45 degrees;
the soil taking mechanism 3 comprises a soil circulation component 32 and a caliber adjusting component 33; the soil circulating assembly 32 comprises a hollow circulating pipe 321, a fixing ring 322 sleeved on the mounting column 101 is arranged at the top of the hollow circulating pipe 321, a soil taking shovel 323 is arranged at the bottom of the hollow circulating pipe 321, soil is loosened by walking of the soil taking shovel 323, and the loosened soil is conveyed to the corresponding repairing mechanism 4 through an electric auger assembly 31 in the hollow circulating pipe 321;
the surface of the mounting column 101 is provided with a mounting groove 103; the circumferential side face of the fixing ring 322 is provided with a plurality of mounting holes 324, the mounting holes 324 are connected with the mounting groove 103 through locking pieces, the inclination angle of the soil taking mechanism 3 can be adjusted, and soil collection and bioremediation at different angles can be further met.
In this embodiment, a soil inlet 325 is disposed on the peripheral side of the hollow flow pipe 321, loosened soil enters the hollow flow pipe 321 through the soil inlet 325, and an adjusting cavity is disposed at the top of the soil inlet 325; the soil access opening 325 is provided with a threaded seat 326;
the caliber adjusting assembly 33 comprises a sealing arc plate 331 in sliding fit with the adjusting cavity, and a threaded rod 332 in threaded fit with the threaded seat 326 is fixed at the bottom of the sealing arc plate 331; through rotating threaded rod 332, the position of adjustable sealed arc board 331 in adjusting the chamber, and then satisfy the regulation of soil entry port 325 size of a dimension, adapt to the bioremediation of the organic pollutant of different degree of depth soil, be favorable to the bioremediation operation of soil.
The electric packing auger assembly 31 comprises an electric packing auger body 311 which is rotatably connected with the bottom in the hollow circulation pipe 321, and a plurality of primary crushing rollers 312 are arranged on the surface of the electric packing auger body 311; the soil entering the soil inlet 325 is conveyed upwards along the hollow flow pipe 321 under the rotation of the electric auger body 311, and the soil is primarily crushed by the primary crushing roller 312 in the process.
In this embodiment, the power assembly 41 includes a soil output pipe 411 with an upper seal and a lower seal, and the soil output pipe 411 is correspondingly connected with a discharge opening of the hollow circulating pipe 321 through a connecting seat 412; the soil transported upward through the hollow flow-through pipe 321 enters the trommel assembly 42 in the soil output pipe 411 through the discharge opening;
a driving motor 413 is installed at the top of the soil output pipe 411, two gear positioning ports 414 are arranged on the upper and lower sides of the peripheral side face of the soil output pipe 411, and the two gear positioning ports 414 are communicated through a through hole; the linkage assembly 46 includes a support shaft 461 rotatably engaged with the through-hole, and linkage gears 462 fixed to both ends of the support shaft 461 and located inside the gear positioning holes 414.
In this embodiment, the drum screen assembly 42 includes a drum 421, and the circumferential side of the drum 421 is fixedly connected with the inner wall of the soil output pipe 411 through a support seat 422; sieve holes 423 are formed in the peripheral side face of the cylinder 421, leakage holes 424 are formed in the bottom of the cylinder 421, and soil particles after being crushed in the cylinder 421 leak out of the cylinder 421 through the sieve holes 423 and the leakage holes 424.
In this embodiment, the abrasive assembly 43 includes a rotating shaft 431 connected to an output shaft of the driving motor 413, and an outer tooth arc plate 432 engaged with the upper linkage gear 462 is fixed to the peripheral side surface of the rotating shaft 431 through a strut; in the moving process of the in-situ repairing device 2, the driving motor 413 is used for driving the rotating shaft 431 to rotate, and the synchronous rotation of the linkage assembly 46 is realized under the meshing action of the outer tooth arc plate 432 and the corresponding linkage gear 462;
a plurality of tooth-shaped scraping plates 433 are arranged on the peripheral side face of the rotating shaft 431, a secondary crushing roller 434 is arranged between every two adjacent tooth-shaped scraping plates 433, and a telescopic component externally sleeved with a reset elastic component is connected between the secondary crushing roller 434 and the rotating shaft 431; after second grade crushing roller 434 rotates the soil in to barrel 421 and carries out the secondary crushing, utilize tooth mouth scraper 433 to scrape the bits of broken glass immediately to the soil on the barrel 421 inner wall, realize the abundant breakage of soil in the barrel 421 through this mode, the soil granule after the breakage leaks to the barrel 421 outside through sieve hole 423 and small opening 424.
In this embodiment, the atomization repairing device 44 includes a connection ring movably connected to the bottom of the cylinder 421, a repairing agent container 441 is fixed to the bottom of the connection ring, a microbial repairing agent for repairing organic pollutants in soil is contained in the repairing agent container 441, a plurality of atomizing nozzles 442 are disposed on the peripheral side of the repairing agent container 441, and are used for ejecting the microbial repairing agent in the repairing agent container 441 in an atomized manner, and the atomized microbial repairing agent is uniformly dispersed into soil particles leaking out of the cylinder 421;
the top of the repairing agent container 441 is provided with an atomization generating button 443; a plurality of starting push pieces 435 are fixed at the lower end of the rotating shaft 431 through connecting columns; in the rotating process of the rotating shaft 431 of the abrasive assembly 43, the intermittent starting of the repairing agent container 441 can be realized by utilizing the intermittent pushing action of the plurality of starting pushing pieces 435 on the atomization generating button 443, and the atomization repairing device 44 does not need to be kept in a running state all the time, so that the repairing agent is saved, and the investment cost of the repairing agent is reduced.
In this embodiment, the soil mixing assembly 45 includes an annular rotating body 451, a tooth-shaped annular opening 452 is arranged on the peripheral side surface of the annular rotating body 451, and the tooth-shaped annular opening 452 is meshed with a lower linkage gear 462; in the process that the rotating shaft 431 drives the linkage assembly 46 to synchronously rotate, the synchronous rotation of the abrasive assembly 43 and the soil mixing assembly 45 is realized through the meshing action of the tooth-shaped annular opening 452 and the corresponding linkage gear 462;
a plurality of partition plates 453 are annularly arranged at the top of the annular rotating body 451, and particle circulation holes 454 are formed in the surfaces of the partition plates 453; the surface of the annular rotating body 451 is divided into a plurality of mixing spaces by partition plates 453, soil particles between the mixing spaces flow and mix through the particle flowing holes 454, so that the soil with the repairing agent dispersed thereon is sufficiently mixed on the annular rotating body 451, and when the soil particles in the mixing spaces are brought to the obliquely upper side, the soil outlet pipe 411 is discharged from the middle of the annular rotating body 451 under the action of the gravity of the soil particles, so that the soil sprayed with the repairing agent is ploughed back into the furrow again.
Example 2
A repairing method of in-situ repairing equipment for organic contaminated soil comprises the following steps:
the SS01 installs the traction mechanism 1 on the mobile equipment, and drives the soil taking mechanism 3 to carry out the soil taking operation of the organic polluted soil through the mobile equipment to form a plurality of furrows;
the SS02 conveys the soil stripped by the soil taking shovel 323 through the electric auger assembly 31 to the inside of the cylindrical screen assembly 42 in the soil output pipe 411 after primary crushing, and drives the grinding material assembly 43 through the power assembly 41 to secondarily crush the soil in the cylindrical screen assembly 42;
the SS03 intermittently operates through the secondary crushing roller 434 and the tooth-shaped scraper 433, so that the soil particles after secondary crushing pass through the sieve holes 423 and the leakage holes 424, and the repairing agent is sprayed to the surfaces of the soil particles through the intermittently operated atomizing nozzles 442;
the SS04 rolls the soil particles sprayed with the repairing agent onto the annular rotating body 451, and after the soil sprayed with the repairing agent is uniformly mixed through the rotation of the annular rotating body 451, the soil output pipe 411 is discharged from the middle part of the annular rotating body 451 under the self gravity of the soil, so that the soil sprayed with the repairing agent returns to the plowing ditch again.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. An in situ remediation device for organically contaminated soil, characterized in that: the device comprises a traction mechanism (1), wherein a plurality of groups of obliquely arranged in-situ repair devices (2) are arranged on the traction mechanism (1); the in-situ repairing device (2) comprises a soil taking mechanism (3) fixed on the traction mechanism (1), a repairing mechanism (4) is installed on the surface of the soil taking mechanism (3), and soil is conveyed to the inside of the corresponding repairing mechanism (4) by the soil taking mechanism (3) through an electric auger assembly (31) in the soil taking mechanism;
the repairing mechanism (4) comprises a power assembly (41), a coaxial cylindrical screen assembly (42) is installed inside the power assembly (41), an abrasive assembly (43) is rotatably connected to the bottom inside the cylindrical screen assembly (42), and the power assembly (41) is used for driving the abrasive assembly (43) to rotate;
the bottom of the drum screen assembly (42) is movably connected with an atomization repairing device (44), and the atomization repairing device (44) performs intermittent atomization repairing through rotation of an abrasive assembly (43);
the power assembly (41) is connected with a soil mixing assembly (45) below the atomization repair device (44) in a rotating mode, and the abrasive assembly (43) achieves synchronous rotation of the soil mixing assembly (45) through a linkage assembly (46);
the traction mechanism (1) comprises a mounting column (101), and a mounting groove (103) is formed in the surface of the mounting column (101);
the soil taking mechanism (3) comprises a soil circulation assembly (32) and a caliber adjusting assembly (33);
the soil circulating assembly (32) comprises a hollow circulating pipe (321), a fixing ring (322) sleeved on the mounting column (101) is arranged at the top of the hollow circulating pipe (321), and a soil taking shovel (323) is arranged at the bottom of the hollow circulating pipe (321);
a plurality of mounting holes (324) are formed in the peripheral side face of the fixing ring (322), and the mounting holes (324) are connected with the mounting groove (103) through locking pieces;
a soil inlet (325) is arranged on the peripheral side surface of the hollow circulating pipe (321), and an adjusting cavity is arranged at the top of the soil inlet (325); the soil inlet (325) is provided with a threaded seat (326);
the caliber adjusting assembly (33) comprises a sealing arc plate (331) in sliding fit with the adjusting cavity, and a threaded rod (332) in threaded fit with the threaded seat (326) is fixed at the bottom of the sealing arc plate (331);
the electric auger assembly (31) comprises an electric auger body (311) which is rotatably connected with the inner bottom of the hollow circulating pipe (321), and a plurality of primary crushing rollers (312) are arranged on the surface of the electric auger body (311);
the power assembly (41) comprises a soil output pipe (411) with an upper seal and a lower seal, and the soil output pipe (411) is correspondingly connected with a discharge opening on the hollow circulating pipe (321) through a connecting seat (412);
a driving motor (413) is installed at the top of the soil output pipe (411), two gear positioning openings (414) are formed in the upper portion and the lower portion of the peripheral side face of the soil output pipe (411), and the two gear positioning openings (414) are communicated through a through hole;
the linkage assembly (46) comprises a support shaft (461) which is in running fit with the through hole, and linkage gears (462) which are positioned in the gear positioning holes (414) are fixed at two ends of the support shaft (461);
the abrasive assembly (43) comprises a rotating shaft (431) connected with an output shaft of a driving motor (413), and an external tooth arc plate (432) meshed with an upper linkage gear (462) is fixed on the peripheral side surface of the rotating shaft (431) through a support rod;
a plurality of tooth-shaped scraping plates (433) are arranged on the peripheral side surface of the rotating shaft (431), a secondary crushing roller (434) is arranged between every two adjacent tooth-shaped scraping plates (433), and a telescopic component externally sleeved with a reset elastic component is connected between the secondary crushing roller (434) and the rotating shaft (431);
the soil mixing assembly (45) comprises an annular rotating body (451), a tooth-shaped annular opening (452) is formed in the peripheral side face of the annular rotating body (451), and the tooth-shaped annular opening (452) is meshed with a linkage gear (462) below;
the top of the annular rotating body (451) is provided with a plurality of partition plates (453) along the circumferential direction, and the surfaces of the partition plates (453) are provided with particle circulation holes (454).
2. The in-situ remediation device for organically-polluted soil according to claim 1, wherein the traction frame (102) is fixed on the surface of the mounting column (101), and the horizontal included angle between the mounting column (101) and the traction frame (102) is 30-45 °.
3. The in-situ remediation device for organically-polluted soil according to claim 1, wherein the drum screen assembly (42) comprises a drum body (421), and the circumferential side surface of the drum body (421) is fixedly connected with the inner wall of the soil output pipe (411) through a supporting seat (422); sieve pores (423) are arranged on the peripheral side surface of the cylinder (421), and leak pores (424) are arranged at the bottom of the cylinder (421).
4. The in-situ remediation device for organically-polluted soil according to claim 3, wherein the atomization remediator (44) comprises a connection ring movably connected to the bottom of the cylinder (421), the bottom of the connection ring is fixed with a remediation agent container (441), and the circumferential side surface of the remediation agent container (441) is provided with a plurality of atomization nozzles (442);
the top of the repairing agent container (441) is provided with an atomization generating button (443); the lower end of the rotating shaft (431) is fixed with a plurality of starting push pieces (435) through connecting columns.
5. The method for repairing an in situ remediation device for organically contaminated soil as claimed in any one of claims 1 to 4, comprising the steps of:
the SS01 installs the traction mechanism (1) on the mobile equipment, and drives the soil taking mechanism (3) to carry out soil taking operation on the organic polluted soil through the mobile equipment;
the SS02 conveys the soil stripped by the soil taking shovel (323) to the inside of a cylindrical screen component (42) in a soil output pipe (411) after primary crushing through an electric auger component (31), and drives an abrasive component (43) to carry out secondary crushing on the soil in the cylindrical screen component (42) through a power component (41);
SS03 is subjected to intermittent operation of a secondary crushing roller (434) and a tooth opening scraper (433), so that soil particles after secondary crushing pass through a sieve hole (423) and a leakage hole (424), and a repairing agent is sprayed to the surfaces of the soil particles through an atomizing nozzle (442) which operates intermittently;
SS04 has the soil granule that the restoration agent sprayed roll to annular body (451), through the rotation of annular body (451) after will spraying the soil misce bene of restoration agent, unloads soil output tube (411) from annular body (451) middle part under soil self gravity for the soil that sprays the restoration agent returns to ploughing the ditch again.
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| CA2577510A1 (en) * | 2007-02-07 | 2008-01-08 | Tr3 Energy Inc. | Soil remedying trommel with vapor removal |
| CN109622596A (en) * | 2019-01-20 | 2019-04-16 | 王忠良 | A kind of polluted soil restorative procedure |
| CN212577153U (en) * | 2020-04-27 | 2021-02-23 | 田婉 | Soil remediation agent spray set for ecological remediation |
| CN113118204A (en) * | 2021-04-23 | 2021-07-16 | 北京林大林业科技股份有限公司 | Device and method suitable for soil in-situ remediation |
| CN113546955A (en) * | 2021-07-20 | 2021-10-26 | 广州龙惠环保科技有限公司 | Combined type contaminated soil repair system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2577510A1 (en) * | 2007-02-07 | 2008-01-08 | Tr3 Energy Inc. | Soil remedying trommel with vapor removal |
| CN109622596A (en) * | 2019-01-20 | 2019-04-16 | 王忠良 | A kind of polluted soil restorative procedure |
| CN212577153U (en) * | 2020-04-27 | 2021-02-23 | 田婉 | Soil remediation agent spray set for ecological remediation |
| CN113118204A (en) * | 2021-04-23 | 2021-07-16 | 北京林大林业科技股份有限公司 | Device and method suitable for soil in-situ remediation |
| CN113546955A (en) * | 2021-07-20 | 2021-10-26 | 广州龙惠环保科技有限公司 | Combined type contaminated soil repair system |
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