CN117505509A - Heavy metal contaminated soil restoration equipment and soil restoration method - Google Patents
Heavy metal contaminated soil restoration equipment and soil restoration method Download PDFInfo
- Publication number
- CN117505509A CN117505509A CN202310840815.XA CN202310840815A CN117505509A CN 117505509 A CN117505509 A CN 117505509A CN 202310840815 A CN202310840815 A CN 202310840815A CN 117505509 A CN117505509 A CN 117505509A
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- China
- Prior art keywords
- fixedly connected
- soil
- side wall
- frame
- heavy metal
- Prior art date
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- 239000002689 soil Substances 0.000 title claims abstract description 108
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000012216 screening Methods 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000008439 repair process Effects 0.000 claims abstract description 32
- 238000005067 remediation Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000004140 cleaning Methods 0.000 claims description 26
- 238000001914 filtration Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000002386 leaching Methods 0.000 abstract description 12
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 231100000171 higher toxicity Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000008121 plant development Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides heavy metal polluted soil restoration equipment and a soil restoration method, and relates to the field of soil restoration. The heavy metal contaminated soil remediation equipment comprises a remediation equipment shell, wherein sliding grooves are formed in the front side wall and the rear side wall of the remediation equipment shell, the remediation equipment shell is slidably connected with a sliding rod through the sliding grooves, the outer end of the sliding rod is movably connected with a sliding frame, the lower end of the sliding rod is fixedly connected with a supporting bracket, and the sliding rod is movably connected with a screening frame through the supporting bracket; the right side wall of the repair equipment shell is fixedly connected with a support side plate, and the upper side wall of the support side plate is fixedly connected with a transmission case and a second driving motor. The device integrates the functions of efficient screening of polluted soil, leaching of polluted soil, recycling of leaching solution and collection of heavy metals, has compact structure, small occupied area, convenient operation and low price, and can be widely used for leaching and repairing of multi-metal polluted soil.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to heavy metal polluted soil remediation equipment and a soil remediation method.
Background
The inorganic pollutants in the soil are more prominent in heavy metal, and are easy to accumulate mainly because the heavy metal cannot be decomposed by soil microorganisms, so that the heavy metal is converted into methyl compounds with higher toxicity, and even the methyl compounds are accumulated in human bodies through food chains in harmful concentration, so that the human health is seriously endangered.
The heavy metal pollutants in soil mainly comprise mercury, cadmium, lead, copper, chromium, arsenic, nickel, iron, manganese, zinc and the like, and arsenic is not heavy metal, but is generally discussed in heavy metals because the behavior, source and hazard of the heavy metal pollutants are similar to those of the heavy metal. For plant needs, metallic elements can be classified into 2 types: (1) the plant growth and development does not need elements, but has obvious harm to human health, such as cadmium, mercury, lead and the like. (2) The elements required by the normal growth and development of the plants have certain physiological functions on human bodies, such as copper, zinc and the like, but excessive elements can cause pollution to prevent the growth and development of the plants.
The invention patent like chinese patent CN 201110147310.2: the invention relates to a heavy metal contaminated soil leaching and repairing device, which adopts a double-circulation structure, and can improve contaminated soil repairing efficiency by repeatedly leaching for many times, avoid the improvement of the post-treatment cost of the contaminated leaching liquid and the waste of the leaching liquid, realize the circulating heating in water bath, uniformly heat the contaminated soil at constant temperature, reduce the heat dissipation of leaching environment by a leaching column heat-insulating layer, and eliminate the influence of the heat dissipation on the heating effect. But the device does not carry out the preliminary treatment to soil for the particle size uniformity of soil is inconsistent, influences the restoration efficiency of soil.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides heavy metal polluted soil restoration equipment and a soil restoration method, and solves the problems that the device does not pretreat soil, so that the uniformity of the particle size of the soil is inconsistent and the restoration efficiency of the soil is affected.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the heavy metal contaminated soil remediation equipment comprises a remediation equipment shell, wherein sliding grooves are formed in the front side wall and the rear side wall of the remediation equipment shell, the remediation equipment shell is connected with a sliding rod in a sliding mode through the sliding grooves, the outer end of the sliding rod is movably connected with a sliding frame, the lower end of the sliding rod is fixedly connected with a supporting bracket, and the sliding rod is movably connected with a screening frame through the supporting bracket;
the right side wall of the repair equipment shell is fixedly connected with a supporting side plate, the upper side wall of the supporting side plate is fixedly connected with a transmission box and a second driving motor, the output end of the transmission box is fixedly connected with two transmission rods, one end of each transmission rod is fixedly connected with a drive bevel gear, the front side wall and the rear side wall of the repair equipment shell are fixedly connected with rotating seats, connecting rods are rotatably connected in the rotating seats, the middle part of each connecting rod is fixedly connected with a transmission cam, and the transmission cams are matched with the sliding frame;
the inner wall all is provided with built-in change groove in the preceding inner wall of repair equipment shell and back inner wall, every the inside of built-in change groove rotates and is connected with driving gear and driven gear, driving gear and driven gear's lateral wall meshing is connected with the drive belt, two fixedly connected with cooperation pole between the drive belt, the lateral wall fixedly connected with connecting block of cooperation pole, the lower lateral wall fixedly connected with soft scraper blade of connecting block, the inside fixedly connected with filter stand of repair equipment shell.
Preferably, the left side wall of the repair equipment shell is fixedly connected with a water outlet pipe, so that the cleaning wastewater is discharged conveniently, and the middle part of the water outlet pipe is fixedly connected with a control valve for controlling the communication of the water outlet pipe 105.
Preferably, the front side wall of the repair device casing 1 is fixedly connected with a supporting front plate, the upper side wall of the supporting front plate is fixedly connected with a first driving motor, the output end of the first driving motor is fixedly connected with two driving gears, the first driving motor 2 can drive the driving gear 802 to rotate, so that the driving belt 8 is driven to rotate, the output end of the second driving motor is fixedly connected with the input end of the driving box, and the second driving motor 403 can drive the driving rod 401 to rotate through the driving box 4.
Preferably, the right side wall of repair equipment shell rotates and is connected with the side shield, the lower lateral wall of side shield aligns with the last lateral wall of filtering the frame, and the soil after the repair of being convenient for is discharged from side shield 102, soft scraper blade cooperatees with the last lateral wall of filtering the frame, scrapes the soil after the repair, the inside of filtering the frame is provided with the filter screen, and the filtering out of the washing water of being convenient for, built-in change groove and drive belt all set up to straight slot mouth form, are convenient for drive soft scraper blade 804 and circulate and rotate.
Preferably, one end of the connecting rod is fixedly connected with a driven bevel gear, the driven bevel gear is meshed with the driving bevel gear, and the driving bevel gear 402 drives the connecting rod 602 to rotate through the driven bevel gear 601, so as to drive the transmission cam 6 to rotate.
Preferably, the bottom fixedly connected with screening net of screening frame for filter soil, the inside wall fixedly connected with handrail of screening frame can pull out screening frame 7 through handrail 702.
Preferably, the inner fixedly connected with right joint of slide bar, the outer fixedly connected with left joint of slide bar, the lateral wall that the right joint runs through the screening frame, the lateral wall threaded connection of right joint has right adapter sleeve, the inside that the left joint runs through the slide frame, the lateral wall threaded connection of left joint has left adapter sleeve, the slide frame cooperatees with the drive cam, through the setting of slide bar 501 and two adapter sleeves for installation and fixed dismantlement between screening frame 7 and the slide frame 5 are more convenient.
Preferably, the front side wall and the rear side wall of the repair equipment shell are fixedly connected with water inlet interfaces, and one end of each water inlet interface is fixedly connected with a cleaning spray head.
A soil remediation method comprising the steps of:
firstly, pouring heavy metal contaminated soil to be repaired on a screening frame, starting a second driving motor, enabling the second driving motor to drive two transmission rods to rotate through a transmission box, driving a connecting rod to rotate through a driving bevel gear and a driven bevel gear when the transmission rods rotate, driving two transmission cams to synchronously rotate, driving a sliding frame to move up and down, further enabling the screening frame to vibrate up and down, screening heavy metal contaminated soil under the action of the screening frame, and enabling screened small-particle soil to fall on a filtering frame;
step two, cleaning water or a soil extractant is introduced into the cleaning nozzle through the water inlet connector, the soil extractant can be used for extracting heavy metals in soil, and the cleaning water can be used for cleaning the soil extractant in the soil;
step three, starting a first driving motor, wherein the first driving motor can drive a driving gear to rotate, the driving gear can drive a driving belt to rotate, and the driving belt can drive a matching rod to rotate in a straight slot shape when rotating, so that a soft scraper scrapes soil on the upper side of a filter frame, and the repaired soil is discharged from the right side wall of a casing of the repairing equipment;
and step four, electrifying the control valve to discharge the cleaning liquid through the water outlet pipe, and recovering heavy metal and soil extracting solution.
Working principle: when the device is used, firstly, the heavy metal contaminated soil to be repaired is reversely placed on the screening frame 7, the second driving motor 403 is started, the second driving motor 403 can drive the two driving rods 401 to rotate through the transmission case 4, the driving rods 402 and the driven bevel gears 601 drive the connecting rods 602 to rotate when the driving rods 401 rotate, thereby driving the two driving cams 6 to synchronously rotate, the sliding frame 5 is driven to move up and down, the screening frame 7 is further made to vibrate up and down, the heavy metal contaminated soil is screened under the action of the screening frame 7, small particle soil after screening falls on the filtering frame 9, then, cleaning water or soil extractant is introduced into the cleaning nozzle 301 through the water inlet joint 3, the soil extractant can be used for extracting heavy metals in the soil, the cleaning water can be used for cleaning the soil extractant in the soil, then, the first driving motor 2 is started, the driving gears 802 can drive the driving gears 802 to rotate, the driving belts 8 to rotate, the matching rods 805 can be driven to rotate up and down in a straight groove shape when the driving belts 8 rotate, the matching rods 805 can be made to rotate in a straight groove shape, the cleaning water is discharged from the filtering frame 9, the soil is recovered, and finally, the soil is recovered from the water outlet pipe is cut off, and the soil is recovered from the water outlet pipe is recovered, and the soil is recovered from the water pipe through the device.
(III) beneficial effects
The invention provides a heavy metal polluted soil restoration device and a soil restoration method. The device comprises the following
The beneficial effects are that:
1. the device has set up drive cam, screening frame and carriage, and second driving motor drives the transfer line through transfer case, transfer line, initiative bevel gear and driven bevel gear and rotates to can drive two drive cams and rotate in step, thereby drive the screening frame through the carriage and vibrate from top to bottom, vibrate the screening to heavy metal soil, drive cam drives the vibration can effectively to the screening effect of soil, effectively prevents that the screening net from being stopped up or adhesion, has improved soil remediation efficiency greatly.
2. The device has set up washing shower nozzle, soft scraper blade, drive belt and connecting block, and the washing water or the soil extractant that lets in the washing shower nozzle can restore soil, can drive the cooperation pole and be straight slot shape rotation when the drive belt rotates to make soft scraper blade scrape the soil of filtration frame upside, make the right side wall discharge of prosthetic soil follow repair equipment shell, it is simple convenient, can collect soil voluntarily, reduced soil restoration work load.
3. The device integrates the functions of efficient screening of polluted soil, leaching of polluted soil, recycling of leaching solution and collection of heavy metals, has compact structure, small occupied area, convenient operation and low price, and can be widely used for leaching and repairing of multi-metal polluted soil.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention;
FIG. 5 is an enlarged schematic view of the invention at A;
fig. 6 is a schematic diagram of the connection of the screening frames in the present invention.
1, repairing an equipment shell; 101. supporting the front plate; 102. side baffles; 103. supporting the side plates; 104. a chute; 105. a water outlet pipe; 106. a control valve; 107. a rotating seat; 108. a rotating groove is arranged in the inner part; 2. a first driving motor; 3. a water inlet port; 301. cleaning the spray head; 4. a transmission case; 401. a transmission rod; 402. a drive bevel gear; 403. a second driving motor; 5. a carriage; 501. a slide bar; 5011. a left joint; 5012. a right joint; 502. a support bracket; 503. a left connecting sleeve; 504. a right connecting sleeve; 6. a drive cam; 601. a driven bevel gear; 602. a connecting rod; 7. a screening frame; 701. screening net; 702. an armrest; 8. a transmission belt; 801. a driven gear; 802. a drive gear; 803. a connecting block; 804. a soft scraper; 805. a mating lever; 9. and a filter frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
as shown in fig. 1-6, the embodiment of the invention provides a heavy metal contaminated soil remediation device and a soil remediation method, comprising a remediation device shell 1, wherein the left side wall of the remediation device shell 1 is fixedly connected with a water outlet pipe 105, so as to facilitate the discharge of cleaning wastewater, the middle part of the water outlet pipe 105 is fixedly connected with a control valve 106 for controlling the communication of the water outlet pipe 105, the inside of the front side wall and the rear side wall of the remediation device shell 1 is provided with a sliding chute 104, the remediation device shell 1 is slidably connected with a sliding rod 501 through the sliding chute 104, the outer end of the sliding rod 501 is movably connected with a sliding frame 5, the lower end of the sliding rod 501 is fixedly connected with a supporting bracket 502, the inner end of the sliding rod 501 is fixedly connected with a right joint 5012, the outer end of the sliding rod 501 is fixedly connected with a left joint 5011, the right joint 5012 penetrates through the side wall of a screening frame 7, the outer side wall of the right joint 5012 is in threaded connection with a right connecting sleeve 504, the inside that left joint 5011 runs through carriage 5, left side joint 5011's lateral wall threaded connection has left adapter sleeve 503, carriage 5 cooperatees with drive cam 6, through the setting of carriage 501 and two adapter sleeves, make installation and fixed dismantlement between screening frame 7 and the carriage 5 more convenient, carriage 501 has screening frame 7 through supporting bracket 502 swing joint, screening frame 7's bottom fixedly connected with screening net 701, be used for filtering soil, screening frame 7's inside wall fixedly connected with handrail 702, can pull out screening frame 7 through handrail 702, connecting rod 602's one end fixedly connected with driven bevel gear 601, mesh between driven bevel gear 601 and the drive bevel gear 402, drive bevel gear 402 drives connecting rod 602 through driven bevel gear 601 and rotates, thereby drive cam 6 rotates.
The right side wall fixed connection support curb plate 103 of repair equipment shell 1, the upper side wall fixedly connected with transmission case 4 and the second driving motor 403 of support curb plate 103, the output fixedly connected with two transfer bars 401 of transmission case 4, the one end fixedly connected with initiative bevel gear 402 of transfer bar 401, the front side wall of repair equipment shell 1 and the equal fixedly connected with rotation seat 107 of back lateral wall, the inside rotation of rotation seat 107 is connected with connecting rod 602, the middle part fixedly connected with transmission cam 6 of connecting rod 602, transmission cam 6 cooperatees with carriage 5, the right side wall rotation of repair equipment shell 1 is connected with side shield 102, the lower lateral wall of side shield 102 aligns with the upper lateral wall of filter frame 9, be convenient for discharge from side shield 102 of the soil after repairing, soft scraper 804 cooperatees with the upper lateral wall of filter frame 9, scrape the soil after repairing, the inside of filter frame 9 is provided with the filter screen, be convenient for filter out wash water, built-in rotary trough 108 and drive belt 8 all set up to straight notch form, be convenient for drive soft scraper 804 and circulate and rotate.
The front inner wall and the rear inner wall of the repair equipment shell 1 are respectively provided with a built-in rotary groove 108, the inside of each built-in rotary groove 108 is rotationally connected with a driving gear 802 and a driven gear 801, the outer side walls of the driving gears 802 and the driven gears 801 are in meshed connection with a driving belt 8, a matching rod 805 is fixedly connected between the two driving belts 8, the outer side walls of the matching rods 805 are fixedly connected with a connecting block 803, the lower side wall of the connecting block 803 is fixedly connected with a soft scraper 804, the inside of the repair equipment shell 1 is fixedly connected with a filtering frame 9, the front side wall of the repair equipment shell 1 is fixedly connected with a supporting front plate 101, the upper side wall of the supporting front plate 101 is fixedly connected with a first driving motor 2, the output end of the first driving motor 2 is fixedly connected with the two driving gears 802, the first driving motor 2 can drive the driving gears 802 to rotate, thereby the driving belt 8 is driven to rotate, the output end of the second driving motor 403 is fixedly connected with the input end of a driving box 4, and the second driving motor 403 can drive the driving rod 401 to rotate through the driving box 4.
The front side wall and the rear side wall of the repair equipment shell 1 are fixedly connected with a water inlet interface 3, and one end of the water inlet interface 3 is fixedly connected with a cleaning spray head 301.
A soil remediation method comprising the steps of:
firstly, pouring heavy metal contaminated soil to be repaired on a screening frame, starting a second driving motor, enabling the second driving motor to drive two transmission rods to rotate through a transmission box, driving a connecting rod to rotate through a driving bevel gear and a driven bevel gear when the transmission rods rotate, driving two transmission cams to synchronously rotate, driving a sliding frame to move up and down, further enabling the screening frame to vibrate up and down, screening heavy metal contaminated soil under the action of the screening frame, and enabling screened small-particle soil to fall on a filtering frame;
step two, cleaning water or a soil extractant is introduced into the cleaning nozzle through the water inlet connector, the soil extractant can be used for extracting heavy metals in soil, and the cleaning water can be used for cleaning the soil extractant in the soil;
step three, starting a first driving motor, wherein the first driving motor can drive a driving gear to rotate, the driving gear can drive a driving belt to rotate, and the driving belt can drive a matching rod to rotate in a straight slot shape when rotating, so that a soft scraper scrapes soil on the upper side of a filter frame, and the repaired soil is discharged from the right side wall of a casing of the repairing equipment;
and step four, electrifying the control valve to discharge the cleaning liquid through the water outlet pipe, and recovering heavy metal and soil extracting solution.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Heavy metal contaminated soil remediation equipment, including remediation equipment shell (1), its characterized in that: the repairing device comprises a repairing device shell (1), wherein sliding grooves (104) are formed in the front side wall and the rear side wall of the repairing device shell (1), the repairing device shell (1) is connected with a sliding rod (501) in a sliding mode through the sliding grooves (104), the outer end of the sliding rod (501) is movably connected with a sliding frame (5), the lower end of the sliding rod (501) is fixedly connected with a supporting bracket (502), and the sliding rod (501) is movably connected with a screening frame (7) through the supporting bracket (502);
the right side wall of the repair equipment shell (1) is fixedly connected with a supporting side plate (103), the upper side wall of the supporting side plate (103) is fixedly connected with a transmission case (4) and a second driving motor (403), the output end of the transmission case (4) is fixedly connected with two transmission rods (401), one end of each transmission rod (401) is fixedly connected with a driving bevel gear (402), the front side wall and the rear side wall of the repair equipment shell (1) are fixedly connected with a rotating seat (107), a connecting rod (602) is connected to the inner part of the rotating seat (107) in a rotating mode, the middle part of the connecting rod (602) is fixedly connected with a transmission cam (6), and the transmission cam (6) is matched with a sliding frame (5);
the utility model discloses a repair equipment shell, including repair equipment shell, fixed equipment shell, filter frame, connecting block, flexible scraper blade (804), drive gear (802) and driven gear (801) are connected with in the inside rotation of every internal rotary groove (108), drive gear (802) and driven gear (801) lateral wall meshing are connected with drive belt (8), two fixedly connected with cooperation pole (805) between drive belt (8), lateral wall fixedly connected with connecting block (803) of cooperation pole (805), the lower lateral wall fixedly connected with flexible scraper blade (804) of connecting block (803), the inside fixedly connected with filter frame (9) of repair equipment shell (1).
2. The heavy metal contaminated soil remediation apparatus of claim 1 wherein: the left side wall of repair equipment shell (1) fixedly connected with outlet pipe (105), the middle part fixedly connected with control valve (106) of outlet pipe (105).
3. The heavy metal contaminated soil remediation apparatus of claim 1 wherein: the repair equipment comprises a repair equipment shell (1), wherein a front supporting plate (101) is fixedly connected to the front side wall of the repair equipment shell (1), a first driving motor (2) is fixedly connected to the upper side wall of the front supporting plate (101), the output end of the first driving motor (2) is fixedly connected with two driving gears (802), and the output end of a second driving motor (403) is fixedly connected with the input end of a transmission case (4).
4. The heavy metal contaminated soil remediation apparatus of claim 1 wherein: the right side wall of repair equipment shell (1) rotates and is connected with side shield (102), the lower lateral wall of side shield (102) aligns with the last lateral wall of filtration frame (9), soft scraper blade (804) cooperatees with the last lateral wall of filtration frame (9), the inside of filtration frame (9) is provided with the filter screen, built-in change groove (108) and drive belt (8) all set up to straight notch form.
5. The heavy metal contaminated soil remediation apparatus of claim 1 wherein: one end of the connecting rod (602) is fixedly connected with a driven bevel gear (601), and the driven bevel gear (601) is meshed with the driving bevel gear (402).
6. The heavy metal contaminated soil remediation apparatus of claim 1 wherein: the bottom fixedly connected with screening net (701) of screening frame (7), inside wall fixedly connected with handrail (702) of screening frame (7).
7. The heavy metal contaminated soil remediation apparatus of claim 1 wherein: the inner fixedly connected with right joint (5012) of sliding rod (501), the outer fixedly connected with left joint (5011) of sliding rod (501), the lateral wall that screening frame (7) was run through to right joint (5012), lateral wall threaded connection of right joint (5012) has right adapter sleeve (504), the inside that sliding frame (5) was run through to left joint (5011), lateral wall threaded connection of left joint (5011) has left adapter sleeve (503), sliding frame (5) cooperatees with drive cam (6).
8. The heavy metal contaminated soil remediation apparatus of claim 1 wherein: the repair equipment comprises a repair equipment shell (1), wherein a front side wall and a rear side wall of the repair equipment shell are fixedly connected with a water inlet interface (3), and one end of the water inlet interface (3) is fixedly connected with a cleaning spray head (301).
9. A soil remediation method using the heavy metal contaminated soil remediation apparatus of claim 1, comprising the steps of:
firstly, pouring heavy metal contaminated soil to be repaired on a screening frame, starting a second driving motor, enabling the second driving motor to drive two transmission rods to rotate through a transmission box, driving a connecting rod to rotate through a driving bevel gear and a driven bevel gear when the transmission rods rotate, driving two transmission cams to synchronously rotate, driving a sliding frame to move up and down, further enabling the screening frame to vibrate up and down, screening heavy metal contaminated soil under the action of the screening frame, and enabling screened small-particle soil to fall on a filtering frame;
step two, cleaning water or a soil extractant is introduced into the cleaning nozzle through the water inlet connector, the soil extractant can be used for extracting heavy metals in soil, and the cleaning water can be used for cleaning the soil extractant in the soil;
step three, starting a first driving motor, wherein the first driving motor can drive a driving gear to rotate, the driving gear can drive a driving belt to rotate, and the driving belt can drive a matching rod to rotate in a straight slot shape when rotating, so that a soft scraper scrapes soil on the upper side of a filter frame, and the repaired soil is discharged from the right side wall of a casing of the repairing equipment;
and step four, electrifying the control valve to discharge the cleaning liquid through the water outlet pipe, and recovering heavy metal and soil extracting solution.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310840815.XA CN117505509A (en) | 2023-07-10 | 2023-07-10 | Heavy metal contaminated soil restoration equipment and soil restoration method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310840815.XA CN117505509A (en) | 2023-07-10 | 2023-07-10 | Heavy metal contaminated soil restoration equipment and soil restoration method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118385267A (en) * | 2024-06-11 | 2024-07-26 | 湖南省地球物理地球化学调查所 | Restoration method for heavy metal contaminated soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118385267A (en) * | 2024-06-11 | 2024-07-26 | 湖南省地球物理地球化学调查所 | Restoration method for heavy metal contaminated soil |
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