CN115403130B - Device and process for repairing underground water based on in-situ chemical oxidation method - Google Patents
Device and process for repairing underground water based on in-situ chemical oxidation method Download PDFInfo
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- CN115403130B CN115403130B CN202211137856.4A CN202211137856A CN115403130B CN 115403130 B CN115403130 B CN 115403130B CN 202211137856 A CN202211137856 A CN 202211137856A CN 115403130 B CN115403130 B CN 115403130B
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- 239000000126 substance Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 40
- 230000003647 oxidation Effects 0.000 title claims abstract description 39
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 109
- 239000007924 injection Substances 0.000 claims abstract description 109
- 239000002689 soil Substances 0.000 claims abstract description 96
- 239000003814 drug Substances 0.000 claims abstract description 56
- 239000003673 groundwater Substances 0.000 claims abstract description 38
- 210000001503 joint Anatomy 0.000 claims abstract description 27
- 238000005553 drilling Methods 0.000 claims abstract description 25
- 238000005067 remediation Methods 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 13
- 238000003032 molecular docking Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 11
- 230000008439 repair process Effects 0.000 description 10
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000011066 ex-situ storage Methods 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/003—Drilling with mechanical conveying means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a device and a process for repairing underground water based on an in-situ chemical oxidation method, wherein the device comprises an equipment box, a driving assembly, a drilling assembly, an injection assembly and a PLC (programmable logic controller); the two driving assemblies are respectively arranged at two sides of the upper end of the equipment box and respectively provide power for the drilling assembly and the injection assembly; the drilling assembly comprises a butt joint rod, a soil outlet sleeve and a drill rod, wherein the butt joint rod is connected with one of the driving assemblies, the soil outlet sleeve is arranged in the equipment box, and the drill rod is arranged in the soil outlet sleeve; the injection assembly comprises a medicament box, a mounting tube and an injection head, wherein the medicament box is arranged in the equipment box, the mounting tube is linked with the other driving assembly, the injection head is arranged at the lower end of the mounting tube, and the injection head is provided with the injection tube; the PLC is respectively and electrically connected with each electric equipment; the device has reasonable structural design and high groundwater remediation efficiency, and is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of groundwater remediation equipment, in particular to a device and a process for remediating groundwater based on an in-situ chemical oxidation method.
Background
At present, common typical soil and groundwater remediation technologies mainly comprise an ectopic remediation technology and an in-situ remediation technology. The ex-situ remediation is mainly based on the P & T technology, which is the earliest soil groundwater remediation technology, namely, groundwater is extracted from an original position and is refilled into the position where the groundwater is located after being remediated in an ex-situ manner. However, the non-aqueous solution retained in the water layer is hardly drawn out from the pump due to capillary tension, and is thus not suitable for pollution remediation of petroleum and by-products thereof. The in-situ remediation technology is mainly carried out in soil and underground water, has low remediation cost, good effect, various remediation methods, low disturbance to the remediation area and wide application range, so that in the future soil and underground water pollution remediation process, the in-situ remediation technology is increasingly applied to the actual remediation process, particularly the sites polluted by petroleum and byproducts thereof.
The in-situ repair technology is mainly an in-situ chemical oxidation technology, and the in-situ chemical oxidation technology effectively damages pollutants by conveying chemical oxidants to the polluted groundwater and utilizing oxidation reaction of the oxidants and the pollutants, so that the harm to the environment is reduced. The in-situ chemical oxidation technology is suitable for various pollutants including chlorinated hydrocarbon solvents, petroleum hydrocarbons, polycyclic aromatic hydrocarbons and the like, has the advantages of short restoration period, moderate cost, capability of simultaneously treating various pollutants, high treatment efficiency, thorough treatment effect and the like, meets the requirement of quick restoration of polluted sites in China, and has wide application prospect in restoration of polluted groundwater.
However, in the groundwater pollution remediation process, when chemical oxidation remediation is performed by using an in-situ injection mode, the amount of the oxidant is very difficult to control through the water phase injection system due to the problems of limited number of injection wells and distribution of hydraulic conductivity coefficients.
Disclosure of Invention
Aiming at the technical problems, the invention provides a device and a process for repairing underground water based on an in-situ chemical oxidation method.
The technical scheme of the invention is as follows: an in-situ chemical oxidation method-based underground water remediation device comprises an equipment box, a driving assembly, a drilling assembly, an injection assembly and a PLC (programmable logic controller); a well pipe channel vertically penetrates through the equipment box; the upper end of the equipment box is provided with a movable frame, and an electric cylinder is arranged on the movable frame;
the driving assembly is provided with two guide cylinders, a pushing motor and a rotating motor, the two guide cylinders are respectively arranged at the upper end of the equipment box and are positioned at two sides of the well pipe channel, one guide cylinder is in sliding clamping connection with the movable frame and is fixedly connected with the output end of the electric cylinder, motor frames are arranged at the upper ends of the two guide cylinders, first lead screws are arranged at two inner sides of the two guide cylinders, and the top ends of the first lead screws penetrate through the guide cylinders at the opposite sides and are provided with pinions; the two first lead screws in the same guide cylinder are connected with mounting tables in a threaded manner; the two pushing motors are respectively arranged on the two motor frames, and the output shafts of the two pushing motors penetrate through the motor frames at the corresponding sides and are provided with driving gears which are in meshed connection with the pinions at the corresponding sides; the two rotating motors are respectively arranged on the two mounting tables in a one-to-one correspondence manner;
the drilling assembly comprises a butt joint rod, a soil outlet sleeve and a drill rod, wherein the butt joint rod is arranged in a guide cylinder fixedly connected with the equipment box and is connected with an output shaft of the rotating motor, and the bottom end of the butt joint rod penetrates through the equipment box; the soil outlet sleeve is fixedly arranged in the equipment box, and both ends of the soil outlet sleeve penetrate through the equipment box; the drill rod is movably sleeved in the soil outlet sleeve, the top end of the drill rod is movably clamped with the bottom end of the butt joint rod, the bottom end of the drill rod is provided with a soil breaking drill bit, and a plurality of lifting discs are uniformly sleeved on the outer wall of the drill rod;
the injection assembly comprises a medicament box, an installation tube and an injection head, wherein the medicament box is arranged in the equipment box, and a medicament injection tube communicated with the medicament box is arranged on the equipment box; the mounting pipe is arranged in the cartridge movably clamped with the movable frame and fixedly connected with the lower bottom surface of the mounting table, the injection head is fixedly arranged at the lower end of the mounting pipe, and the injection head is provided with an injection pipe connected with the medicament box; a booster pump is arranged at the joint of the injection tube and the medicament box;
the PLC controller is respectively and electrically connected with the electric cylinder, the pushing motor, the rotating motor and the booster pump.
Further, a stirrer electrically connected with the PLC is arranged inside the medicament box; through setting up the agitator in the medicament incasement portion, be favorable to improving the miscibility of oxidation medicament to improve the groundwater chemical oxidation restoration effect of pollution.
Further, a soil outlet through groove is formed in the upper position of the side wall of the soil outlet pipe, and a soil guide bucket communicated with the soil outlet through groove is arranged on the equipment box; by arranging the soil guide bucket, the soil excavated on the repair site is convenient to transfer, and reliable site conditions are provided for groundwater repair work.
Further, a soil collecting box communicated with the soil outlet through groove is sleeved on the soil outlet sleeve, a conveying disc is rotatably clamped in the soil collecting box, a conveying motor for providing power for the conveying disc is arranged on the lower bottom surface of the soil collecting box, and the conveying motor is electrically connected with the PLC; the soil guide bucket is communicated with the soil collecting box; the soil in the casing pipe enters the conveying disc through the soil outlet through groove, and then is discharged out of the equipment box through the soil guide bucket under the action of the conveying disc, so that the well construction efficiency in the groundwater remediation process is improved.
Further, a rotating shaft is rotatably clamped in the mounting pipe and is connected with an output shaft of the rotating motor; the two sides of the injection head are slidably clamped with injection pipes penetrating through the injection head, toothed plates are arranged at the ends, close to each other, of the two injection pipes, the bottom end of the rotating shaft penetrates through the injection head, and toothed rollers which are respectively meshed with the two toothed plates are arranged; the toothed roller is driven to rotate through the rotating shaft, and the two injection pipes extend out of the injection head and are finally inserted into the polluted water layer by utilizing the meshing effect of the toothed roller and the toothed plate, so that the repairing reliability of the polluted groundwater is improved.
Further, a movable well pipe is slidably clamped in the well pipe channel, and a propulsion assembly for pushing the movable well pipe into the ground is arranged in the equipment box; through setting up movable well pipe and propulsion subassembly, be favorable to improving the validity when chemical oxidation medicament is annotated.
Further, the propulsion assembly comprises a compression ring, a gear ring and a propulsion motor, wherein the compression ring is movably clamped at the top end of a movable well pipe, a plurality of guide screws are connected with the circumferential threads of the compression ring, two ends of each guide screw are respectively and rotatably clamped with the inner wall of the equipment box, connecting gears are sleeved at the bottom ends of each guide screw, the gear ring is sleeved outside the movable well pipe and rotatably clamped with the inner bottom of the equipment box, the gear ring is meshed with each connecting gear, and the propulsion motor is arranged at the bottom in the equipment box and is electrically connected with the PLC controller and provides power for the gear ring; the pushing motor is utilized to drive the gear ring and the connecting gear to rotate, so that the compression ring pushes the movable well pipe into the ground from the inside of the well pipe channel under the action of the guide screw, and the working efficiency of polluted groundwater restoration is improved.
Further, a movable wheel is arranged at the bottom of the equipment box; through setting up the removal wheel, be convenient for remove and shift the device.
Further, a limiting ring is arranged on the injection tube, and a limiting block which is in sliding clamping connection with the limiting ring is arranged inside the injection head; through spacing ring and stopper, be favorable to improving stability and the reliability that the syringe moved on the injection head.
The invention also provides a process for repairing groundwater based on an in-situ chemical oxidation method, which comprises the following steps:
s1, respectively connecting an electric cylinder, a pushing motor, a rotating motor and a booster pump with an external power supply, and injecting chemical oxidation agents into the medicament box through a medicament injection pipe;
s2, starting a pushing motor and a rotating motor on a guide cylinder fixedly connected with the equipment box, and driving a docking rod and a drill rod to rotate by using the rotating motor to drill a soil layer; simultaneously, in the rotating and rotating process of the docking rod and the drill rod, the docking rod and the drill rod continuously move downwards along the equipment box under the action of the pushing motor and the first screw rod until the earth breaking drill bit reaches a polluted water layer, and the drilling is completed;
s3, moving the equipment box to enable the well pipe channel to be located above the drilling hole, then starting the electric cylinder, and moving the guide cylinder which is in sliding clamping connection with the moving frame on the moving frame to be located above the well pipe channel by utilizing the output end of the electric lever;
s4, starting a pushing motor on a guide cylinder which is in sliding clamping connection with the moving frame, pushing the mounting pipe and the injection head to move downwards along the well pipe channel by using the pushing motor, and finally entering a drilled hole;
s5, starting a booster pump, injecting chemical oxidation chemicals in the chemical tank into the groundwater through an injection pipe on the injection head, and completing chemical oxidation restoration treatment of the groundwater.
Compared with the prior art, the invention has the beneficial effects that:
the device has reasonable structural design, and the integrated equipment can complete the whole process of well construction and medicament injection in the groundwater remediation process, so that the equipment investment in the groundwater remediation process is reduced, and the remediation difficulty of polluted groundwater is also reduced;
secondly, the injection head is pushed into the ground by using the mounting pipe capable of moving up and down on the guide cylinder, so that the oxidation repair of the groundwater polluted by different depths can be realized, and the reliability of the device is improved;
thirdly, in the well construction process, the soil in the drilled hole is discharged out of the equipment box by utilizing the action of the soil outlet sleeve and the lifting disc, so that reliable site conditions are provided for groundwater remediation work, and well construction efficiency is improved.
Drawings
FIG. 1 is a longitudinal cross-sectional view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic illustration of the connection of the guide cylinder to the mobile carriage of the present invention;
FIG. 4 is an enlarged partial schematic view of the present invention at A in FIG. 1;
FIG. 5 is a schematic view of the connection of the soil collecting box to the soil outlet sleeve of the present invention;
FIG. 6 is an enlarged partial schematic view of the present invention at B in FIG. 1;
FIG. 7 is a schematic illustration of the connection of the injector head of the present invention to a mounting tube;
FIG. 8 is a schematic illustration of the connection of a syringe to a syringe according to the present invention;
FIG. 9 is a schematic illustration of the connection of a ring gear to a connecting gear of the present invention;
wherein, 1-equipment box, 10-well pipe passage, 11-movable rack, 12-electric cylinder, 2-driving component, 20-guide cylinder, 21-pushing motor, 210-driving gear, 22-rotating motor, 23-motor rack, 24-first screw, 240-pinion, 25-mount table, 3-drilling component, 30-docking rod, 31-unearthing casing, 310-unearthing through slot, 311-earth bucket, 32-drill rod, 320-earth breaking bit, 321-lifting disk, 33-earth collecting box, 34-conveying disk, 35-conveying motor, 4-injection component, 40-medicine box, 400-stirrer, 41-mounting tube, 410-rotating shaft, 411-toothed roller, 42-injection head, 420-injection tube, 4200-limit ring, 4201-limit block, 421-toothed plate, 43-movable toothed plate, 44-pushing component, 440-compression ring, 441-toothed ring, 442-pushing motor, 443-guide screw, 444-connecting gear.
Detailed Description
Example 1
The device for restoring underground water based on the in-situ chemical oxidation method as shown in fig. 1 comprises an equipment box 1, a driving assembly 2, a drilling assembly 3, an injection assembly 4 and a PLC controller; a well pipe passage 10 is vertically and penetratingly arranged on the equipment box 1; the upper end of the equipment box 1 is provided with a movable frame 11, and an electric cylinder 12 is arranged on the movable frame 11;
as shown in fig. 1, 2, 3 and 4, the driving assembly 2 is provided with two driving assemblies, the driving assembly 2 comprises guide barrels 20, a pushing motor 21 and a rotating motor 22, the two guide barrels 20 are respectively arranged at the upper end of the equipment box 1 and are positioned at two sides of the well pipe channel 10, one guide barrel 20 is in sliding clamping connection with the movable frame 11 and is fixedly connected with the output end of the electric cylinder 12, motor frames 23 are respectively arranged at the upper ends of the two guide barrels 20, first lead screws 24 are respectively arranged at two inner sides of the two guide barrels 20, and the top ends of the first lead screws 24 penetrate through the opposite guide barrels 20 and are provided with pinions 240; the two first lead screws 24 in the same guide cylinder 20 are connected with a mounting table 25 in a threaded manner; the two pushing motors 21 are respectively arranged on the two motor frames 23, and the output shafts of the two pushing motors 21 penetrate through the motor frame 23 on the corresponding side and are provided with a driving gear 210 in meshed connection with a pinion 240 on the corresponding side; the two rotating motors 22 are respectively arranged on the two mounting tables 25 in a one-to-one correspondence manner;
as shown in fig. 1 and 6, the drilling assembly 3 comprises a docking rod 30, a soil outlet sleeve 31 and a drill rod 32, wherein the docking rod 30 is arranged in a guide cylinder 20 fixedly connected with the equipment box 1 and is connected with an output shaft of a rotating motor 22, and the bottom end of the docking rod 30 penetrates through the equipment box 1; the soil outlet sleeve 31 is fixedly arranged inside the equipment box 1, and both ends of the soil outlet sleeve 31 penetrate through the equipment box 1; the drill rod 32 is movably sleeved in the soil outlet sleeve 31, the top end of the drill rod 32 is movably clamped with the bottom end of the butt joint rod 30, the bottom end of the drill rod 32 is provided with a soil breaking drill bit 320, and 7 lifting discs 321 are uniformly sleeved on the outer wall of the drill rod 32;
as shown in fig. 1 and 4, the injection assembly 4 includes a medicine box 40, a mounting tube 41 and an injection head 42, the medicine box 40 is disposed inside the apparatus box 1, and the apparatus box 1 is provided with a medicine injection tube communicated with the medicine box 40; the mounting tube 41 is arranged in the cartridge 20 movably clamped with the movable frame 11 and fixedly connected with the lower bottom surface of the mounting table 25, the injection head 42 is fixedly arranged at the lower end of the mounting tube 41, and the injection head 42 is provided with an injection tube 420 connected with the medicament box 40; a booster pump is arranged at the joint of the injection tube 420 and the medicament box 40;
the PLC controller is respectively and electrically connected with the electric cylinder 12, the pushing motor 21, the rotating motor 22 and the booster pump, the PLC controller, the electric cylinder 12, the pushing motor 21 and the rotating motor 22 are all commercial products, and the booster pump is a QBY-50 type pneumatic diaphragm pump.
Example 2
This example describes a repair process for an apparatus for repairing groundwater based on an in situ chemical oxidation process of example 1, comprising the steps of:
s1, respectively connecting an electric cylinder 12, a pushing motor 21, a rotating motor 22 and a booster pump with an external power supply, and injecting hydrogen peroxide into a medicament box 40 through a medicament injection pipe;
s2, starting a pushing motor 21 and a rotating motor 22 on a guide cylinder 20 fixedly connected with the equipment box 1, and driving a docking rod 30 and a drill rod 32 to rotate by utilizing the rotating motor 22 so as to drill soil layers; meanwhile, in the rotating and rotating process of the butt joint rod 30 and the drill rod 32, the butt joint rod and the drill rod continuously move downwards along the equipment box 1 under the action of the pushing motor 21 and the first lead screw 24 until the earth breaking drill bit 320 reaches a polluted water layer, and the drilling is finished;
s3, moving the equipment box 1 to enable the well pipe channel 10 to be located above a drilling hole, then starting the electric cylinder 12, and moving the guide cylinder 20 which is slidably clamped with the moving frame 11 on the moving frame 11 to be located above the well pipe channel 10 by utilizing the output end of the electric cylinder 12;
s4, starting a pushing motor 21 on a guide cylinder 20 which is in sliding clamping connection with the movable frame 11, pushing the mounting tube 41 and the injection head 42 to move downwards along the well pipe channel 10 by using the pushing motor 21, and finally entering a drilled hole;
s5, starting a booster pump, injecting chemical oxidation medicament in the medicament box 40 into the groundwater through an injection pipe 420 on the injection head 42, wherein the injection amount is 20L/min, and the maximum flow rate of the booster pump is 200L/min, so that the chemical oxidation repair treatment of the groundwater is completed.
Example 3
The device for restoring underground water based on the in-situ chemical oxidation method as shown in fig. 1 comprises an equipment box 1, a driving assembly 2, a drilling assembly 3, an injection assembly 4 and a PLC controller; a well pipe passage 10 is vertically and penetratingly arranged on the equipment box 1; the upper end of the equipment box 1 is provided with a movable frame 11, and an electric cylinder 12 is arranged on the movable frame 11;
as shown in fig. 1, 2, 3 and 4, the driving assembly 2 is provided with two driving assemblies, the driving assembly 2 comprises guide barrels 20, a pushing motor 21 and a rotating motor 22, the two guide barrels 20 are respectively arranged at the upper end of the equipment box 1 and are positioned at two sides of the well pipe channel 10, one guide barrel 20 is in sliding clamping connection with the movable frame 11 and is fixedly connected with the output end of the electric cylinder 12, motor frames 23 are respectively arranged at the upper ends of the two guide barrels 20, first lead screws 24 are respectively arranged at two inner sides of the two guide barrels 20, and the top ends of the first lead screws 24 penetrate through the opposite guide barrels 20 and are provided with pinions 240; the two first lead screws 24 in the same guide cylinder 20 are connected with a mounting table 25 in a threaded manner; the two pushing motors 21 are respectively arranged on the two motor frames 23, and the output shafts of the two pushing motors 21 penetrate through the motor frame 23 on the corresponding side and are provided with a driving gear 210 in meshed connection with a pinion 240 on the corresponding side; the two rotating motors 22 are respectively arranged on the two mounting tables 25 in a one-to-one correspondence manner;
as shown in fig. 1, 4, 5 and 6, the drilling assembly 3 comprises a butt joint rod 30, an unearthed casing 31 and a drill rod 32, wherein the butt joint rod 30 is arranged inside a guide cylinder 20 fixedly connected with the equipment box 1 and is connected with an output shaft of a rotating motor 22, and the bottom end of the butt joint rod 30 penetrates through the equipment box 1; the soil outlet sleeve 31 is fixedly arranged inside the equipment box 1, and both ends of the soil outlet sleeve 31 penetrate through the equipment box 1; the drill rod 32 is movably sleeved in the soil outlet sleeve 31, the top end of the drill rod 32 is movably clamped with the bottom end of the butt joint rod 30, the bottom end of the drill rod 32 is provided with a soil breaking drill bit 320, and 7 lifting discs 321 are uniformly sleeved on the outer wall of the drill rod 32; a soil outlet through groove 310 is arranged on the upper side wall of the soil outlet pipe 31, and a soil guide bucket 311 communicated with the soil outlet through groove 310 is arranged on the equipment box 1; the soil collecting box 33 communicated with the soil outlet through groove 310 is sleeved on the soil outlet sleeve 31, the conveying disc 34 is rotatably clamped in the soil collecting box 33, the conveying motor 35 for providing power for the conveying disc 34 is arranged on the lower bottom surface of the soil collecting box 33, and the soil guiding hopper 311 is communicated with the soil collecting box 33;
as shown in fig. 1, 6, 7, 8 and 9, the injection assembly 4 comprises a medicine box 40, a mounting tube 41 and an injection head 42, the medicine box 40 is arranged inside the equipment box 1, and the equipment box 1 is provided with a medicine injection tube communicated with the medicine box 40; the mounting tube 41 is arranged in the cartridge 20 movably clamped with the movable frame 11 and fixedly connected with the lower bottom surface of the mounting table 25, the injection head 42 is fixedly arranged at the lower end of the mounting tube 41, and the injection head 42 is provided with an injection tube 420 connected with the medicament box 40; a booster pump is arranged at the joint of the injection tube 420 and the medicament box 40; a rotating shaft 410 is rotatably clamped in the mounting tube 41, and the rotating shaft 410 is connected with an output shaft of the rotating motor 22; the two sides of the injection head 42 are slidably clamped with injection tubes 420 penetrating through the injection head 42, tooth plates 421 are arranged at the ends, close to the two injection tubes 420, of the two injection tubes, the bottom end of the rotating shaft 410 penetrates through the injection head 42, and tooth rollers 411 which are respectively connected with the two tooth plates 421 in a meshed mode are arranged; the movable well pipe 43 is slidably clamped in the well pipe channel 10, and a propulsion component 44 for pushing the movable well pipe 43 into the ground is arranged in the equipment box 1; the propulsion assembly 44 comprises a compression ring 440, a gear ring 441 and a propulsion motor 442, wherein the compression ring 440 is movably clamped at the top end of the movable well pipe 43, 4 guide screws 443 are connected with the compression ring 440 in a circumferential threaded manner, two ends of each guide screw 443 are respectively rotationally clamped with the inner wall of the equipment box 1, the bottom ends of each guide screw 443 are respectively sleeved with a connecting gear 444, the gear ring 441 is sleeved outside the movable well pipe 43 and is rotationally clamped with the inner bottom of the equipment box 1, the gear ring 441 is meshed and connected with each connecting gear 444, the propulsion motor 442 is arranged at the inner bottom of the equipment box 1, and the propulsion motor 442 provides power for the gear ring 441;
the PLC controller is respectively and electrically connected with the electric cylinder 12, the pushing motor 21, the rotating motor 22, the conveying motor 35, the pushing motor 442 and the booster pump, the PLC controller, the electric cylinder 12, the pushing motor 21, the rotating motor 22, the conveying motor 35 and the pushing motor 442 are all commercial products, and the booster pump is a QBY-50 type pneumatic diaphragm pump.
Example 4
The embodiment describes a repair process of an apparatus for repairing groundwater based on an in situ chemical oxidation method of embodiment 3, comprising the steps of:
s1, respectively connecting an electric cylinder 12, a pushing motor 21, a rotating motor 22 and a booster pump with an external power supply, and injecting hydrogen peroxide into a medicament box 40 through a medicament injection pipe;
s2, starting a pushing motor 21 and a rotating motor 22 on a guide cylinder 20 fixedly connected with the equipment box 1, and driving a docking rod 30 and a drill rod 32 to rotate by utilizing the rotating motor 22 so as to drill soil layers; meanwhile, in the rotating and rotating process of the butt joint rod 30 and the drill rod 32, the butt joint rod 30 and the drill rod 32 continuously move downwards along the equipment box 1 under the action of the pushing motor 21 and the first screw rod 24 until the soil breaking drill bit 320 reaches a polluted water layer, in the drilling process, soil enters the conveying disc 34 through the soil outlet through groove 310, and then is discharged out of the equipment box 1 through the soil guide hopper 311 under the action of the conveying disc 34, and the drilling is completed;
s3, moving the equipment box 1 to enable the well pipe channel 10 to be located above a drilling hole, then starting the electric cylinder 12, and moving the guide cylinder 20 which is slidably clamped with the moving frame 11 on the moving frame 11 to be located above the well pipe channel 10 by utilizing the output end of the electric cylinder 12; then, the pushing motor 442 is utilized to drive the gear ring 441 and the connecting gear 444 to rotate, so that the pressing ring 440 pushes the movable well pipe 43 into the borehole from the inside of the well pipe channel 10 under the action of the guide screw 443;
s4, starting a pushing motor 21 and a rotating motor 22 on a guide cylinder 20 which is in sliding clamping connection with the movable frame 11, pushing a mounting tube 41 and an injection head 42 to move downwards along a well pipe channel 10 by using the pushing motor 21, and finally entering a drilled hole; the rotary motor 22 is used for driving the rotary shaft 410 to rotate, the toothed roller 411 is driven by the rotary shaft 410 to rotate, and the two injection pipes 420 extend out of the injection head 42 and penetrate through the movable well pipe 43 by the meshing action of the toothed roller 411 and the toothed plate 421 and are finally inserted into a polluted water layer;
s5, starting a booster pump, injecting chemical oxidation medicament in the medicament box 40 into the groundwater through an injection pipe 420 on the injection head 42, wherein the injection amount is 20L/min, and the maximum flow rate of the booster pump is 200L/min, so that the chemical oxidation repair treatment of the groundwater is completed.
Example 5
The device for restoring underground water based on the in-situ chemical oxidation method as shown in fig. 1 comprises an equipment box 1, a driving assembly 2, a drilling assembly 3, an injection assembly 4 and a PLC controller; a well pipe passage 10 is vertically and penetratingly arranged on the equipment box 1; the upper end of the equipment box 1 is provided with a movable frame 11, and an electric cylinder 12 is arranged on the movable frame 11; the bottom of the equipment box 1 is provided with a moving wheel;
as shown in fig. 1, 2, 3 and 4, the driving assembly 2 is provided with two driving assemblies, the driving assembly 2 comprises guide barrels 20, a pushing motor 21 and a rotating motor 22, the two guide barrels 20 are respectively arranged at the upper end of the equipment box 1 and are positioned at two sides of the well pipe channel 10, one guide barrel 20 is in sliding clamping connection with the movable frame 11 and is fixedly connected with the output end of the electric cylinder 12, motor frames 23 are respectively arranged at the upper ends of the two guide barrels 20, first lead screws 24 are respectively arranged at two inner sides of the two guide barrels 20, and the top ends of the first lead screws 24 penetrate through the opposite guide barrels 20 and are provided with pinions 240; the two first lead screws 24 in the same guide cylinder 20 are connected with a mounting table 25 in a threaded manner; the two pushing motors 21 are respectively arranged on the two motor frames 23, and the output shafts of the two pushing motors 21 penetrate through the motor frame 23 on the corresponding side and are provided with a driving gear 210 in meshed connection with a pinion 240 on the corresponding side; the two rotating motors 22 are respectively arranged on the two mounting tables 25 in a one-to-one correspondence manner;
as shown in fig. 1, 4, 5 and 6, the drilling assembly 3 comprises a butt joint rod 30, an unearthed casing 31 and a drill rod 32, wherein the butt joint rod 30 is arranged inside a guide cylinder 20 fixedly connected with the equipment box 1 and is connected with an output shaft of a rotating motor 22, and the bottom end of the butt joint rod 30 penetrates through the equipment box 1; the soil outlet sleeve 31 is fixedly arranged inside the equipment box 1, and both ends of the soil outlet sleeve 31 penetrate through the equipment box 1; the drill rod 32 is movably sleeved in the soil outlet sleeve 31, the top end of the drill rod 32 is movably clamped with the bottom end of the butt joint rod 30, the bottom end of the drill rod 32 is provided with a soil breaking drill bit 320, and 7 lifting discs 321 are uniformly sleeved on the outer wall of the drill rod 32; a soil outlet through groove 310 is arranged on the upper side wall of the soil outlet pipe 31, and a soil guide bucket 311 communicated with the soil outlet through groove 310 is arranged on the equipment box 1; the soil collecting box 33 communicated with the soil outlet through groove 310 is sleeved on the soil outlet sleeve 31, the conveying disc 34 is rotatably clamped in the soil collecting box 33, the conveying motor 35 for providing power for the conveying disc 34 is arranged on the lower bottom surface of the soil collecting box 33, and the soil guiding hopper 311 is communicated with the soil collecting box 33;
as shown in fig. 1, 6, 7, 8 and 9, the injection assembly 4 comprises a medicine box 40, a mounting tube 41 and an injection head 42, the medicine box 40 is arranged inside the equipment box 1, and the equipment box 1 is provided with a medicine injection tube communicated with the medicine box 40; the medicine box 40 is internally provided with a stirrer 400, the mounting tube 41 is arranged in the cartridge 20 movably clamped with the movable frame 11 and fixedly connected with the lower bottom surface of the mounting table 25, the injection head 42 is fixedly arranged at the lower end of the mounting tube 41, and the injection head 42 is provided with an injection tube 420 connected with the medicine box 40; a booster pump is arranged at the joint of the injection tube 420 and the medicament box 40; a rotating shaft 410 is rotatably clamped in the mounting tube 41, and the rotating shaft 410 is connected with an output shaft of the rotating motor 22; the two sides of the injection head 42 are slidably clamped with injection tubes 420 penetrating through the injection head 42, tooth plates 421 are arranged at the ends, close to the two injection tubes 420, of the two injection tubes, the bottom end of the rotating shaft 410 penetrates through the injection head 42, and tooth rollers 411 which are respectively connected with the two tooth plates 421 in a meshed mode are arranged; the movable well pipe 43 is slidably clamped in the well pipe channel 10, and a propulsion component 44 for pushing the movable well pipe 43 into the ground is arranged in the equipment box 1; the propulsion assembly 44 comprises a compression ring 440, a gear ring 441 and a propulsion motor 442, wherein the compression ring 440 is movably clamped at the top end of the movable well pipe 43, 4 guide screws 443 are connected with the compression ring 440 in a circumferential threaded manner, two ends of each guide screw 443 are respectively rotationally clamped with the inner wall of the equipment box 1, the bottom ends of each guide screw 443 are respectively sleeved with a connecting gear 444, the gear ring 441 is sleeved outside the movable well pipe 43 and is rotationally clamped with the inner bottom of the equipment box 1, the gear ring 441 is meshed and connected with each connecting gear 444, the propulsion motor 442 is arranged at the inner bottom of the equipment box 1, and the propulsion motor 442 provides power for the gear ring 441; the syringe 420 is provided with a limit ring 4200, and a limit block 4201 which is in sliding clamping connection with the limit ring 4200 is arranged in the syringe 42;
the PLC controller is respectively and electrically connected with the electric cylinder 12, the pushing motor 21, the rotating motor 22, the conveying motor 35, the stirrer 400, the pushing motor 442 and the booster pump, wherein the PLC controller, the electric cylinder 12, the pushing motor 21, the rotating motor 22, the conveying motor 35, the stirrer 400 and the pushing motor 442 are all commercial products, and the booster pump is a QBY-50 pneumatic diaphragm pump.
Example 6
The embodiment describes a repair process of the device for repairing groundwater based on an in-situ chemical oxidation method of embodiment 5, comprising the following steps:
s1, respectively connecting an electric cylinder 12, a pushing motor 21, a rotating motor 22 and a booster pump with an external power supply, injecting hydrogen peroxide into a medicament box 40 through a medicament injection pipe, and starting a stirrer 400;
s2, starting a pushing motor 21 and a rotating motor 22 on a guide cylinder 20 fixedly connected with the equipment box 1, and driving a docking rod 30 and a drill rod 32 to rotate by utilizing the rotating motor 22 so as to drill soil layers; meanwhile, in the rotating and rotating process of the butt joint rod 30 and the drill rod 32, the butt joint rod 30 and the drill rod 32 continuously move downwards along the equipment box 1 under the action of the pushing motor 21 and the first screw rod 24 until the soil breaking drill bit 320 reaches a polluted water layer, in the drilling process, soil enters the conveying disc 34 through the soil outlet through groove 310, and then is discharged out of the equipment box 1 through the soil guide hopper 311 under the action of the conveying disc 34, and the drilling is completed;
s3, moving the equipment box 1 to enable the well pipe channel 10 to be located above a drilling hole, then starting the electric cylinder 12, and moving the guide cylinder 20 which is slidably clamped with the moving frame 11 on the moving frame 11 to be located above the well pipe channel 10 by utilizing the output end of the electric cylinder 12; then, the pushing motor 442 is utilized to drive the gear ring 441 and the connecting gear 444 to rotate, so that the pressing ring 440 pushes the movable well pipe 43 into the borehole from the inside of the well pipe channel 10 under the action of the guide screw 443;
s4, starting a pushing motor 21 and a rotating motor 22 on a guide cylinder 20 which is in sliding clamping connection with the movable frame 11, pushing a mounting tube 41 and an injection head 42 to move downwards along a well pipe channel 10 by using the pushing motor 21, and finally entering a drilled hole; the rotary motor 22 is used for driving the rotary shaft 410 to rotate, the toothed roller 411 is driven by the rotary shaft 410 to rotate, and the two injection pipes 420 extend out of the injection head 42 and penetrate through the movable well pipe 43 by the meshing action of the toothed roller 411 and the toothed plate 421 and are finally inserted into a polluted water layer;
s5, starting a booster pump, injecting chemical oxidation medicament in the medicament box 40 into the groundwater through an injection pipe 420 on the injection head 42, wherein the injection amount is 20L/min, and the maximum flow rate of the booster pump is 200L/min, so that the chemical oxidation repair treatment of the groundwater is completed.
Claims (7)
1. The device for repairing the underground water based on the in-situ chemical oxidation method is characterized by comprising an equipment box (1), a driving assembly (2), a drilling assembly (3), an injection assembly (4) and a PLC controller; a well pipe channel (10) is vertically and penetratingly arranged on the equipment box (1); the upper end of the equipment box (1) is provided with a movable frame (11), and an electric cylinder (12) is arranged on the movable frame (11);
the driving assembly (2) is provided with two, the driving assembly (2) comprises guide cylinders (20), a pushing motor (21) and a rotating motor (22), the two guide cylinders (20) are respectively arranged at the upper end of the equipment box (1) and are positioned at two sides of the well pipe channel (10), one guide cylinder (20) is in sliding clamping connection with the movable frame (11) and is fixedly connected with the output end of the electric cylinder (12), motor frames (23) are respectively arranged at the upper ends of the two guide cylinders (20), first lead screws (24) are respectively arranged at two inner sides of the two guide cylinders (20), and the top ends of the first lead screws (24) penetrate through the opposite guide cylinders (20) and are provided with pinions (240); the two first lead screws (24) in the same guide cylinder (20) are connected with a mounting table (25) in a threaded manner; the two pushing motors (21) are respectively arranged on the two motor frames (23), and the output shafts of the two pushing motors (21) penetrate through the motor frames (23) on the corresponding sides and are provided with driving gears (210) which are in meshed connection with pinions (240) on the corresponding sides; the two rotating motors (22) are respectively arranged on the two mounting tables (25) in a one-to-one correspondence manner;
the drilling assembly (3) comprises a butt joint rod (30), a soil outlet sleeve (31) and a drill rod (32), wherein the butt joint rod (30) is arranged inside a guide cylinder (20) fixedly connected with the equipment box (1) and is connected with an output shaft of a rotating motor (22), and the bottom end of the butt joint rod (30) penetrates through the equipment box (1); the soil outlet sleeve (31) is fixedly arranged inside the equipment box (1), and both ends of the soil outlet sleeve (31) penetrate through the equipment box (1); the drill rod (32) is movably sleeved inside the soil outlet sleeve (31), the top end of the drill rod (32) is movably clamped with the bottom end of the butt joint rod (30), the bottom end of the drill rod (32) is provided with a soil breaking drill bit (320), and a plurality of lifting discs (321) are uniformly sleeved on the outer wall of the drill rod (32); a soil outlet through groove (310) is formed in the upper position of the side wall of the soil outlet sleeve (31), and a soil guide bucket (311) communicated with the soil outlet through groove (310) is arranged on the equipment box (1); a soil collecting box (33) communicated with the soil outlet through groove (310) is sleeved on the soil outlet sleeve (31), a conveying disc (34) is clamped in the soil collecting box (33) in a rotating mode, a conveying motor (35) for providing power for the conveying disc (34) is arranged on the lower bottom surface of the soil collecting box (33), the conveying motor (35) is electrically connected with a PLC, and the soil guiding hopper (311) is communicated with the soil collecting box (33);
the injection assembly (4) comprises a medicament box (40), a mounting pipe (41) and an injection head (42), wherein the medicament box (40) is arranged inside the equipment box (1), and the equipment box (1) is provided with a medicament injection pipe communicated with the medicament box (40); the mounting pipe (41) is arranged in the guide cylinder (20) movably clamped with the movable frame (11) and fixedly connected with the lower bottom surface of the mounting table (25), the injection head (42) is fixedly arranged at the lower end of the mounting pipe (41), and the injection head (42) is provided with an injection pipe (420) connected with the medicament box (40); a booster pump is arranged at the joint of the injection tube (420) and the medicament box (40);
the PLC controller is electrically connected with the electric cylinder (12), the pushing motor (21), the rotating motor (22) and the booster pump respectively.
2. The device for restoring groundwater based on an in situ chemical oxidation process according to claim 1, wherein a stirrer (400) electrically connected to a PLC controller is provided inside the chemical tank (40).
3. The device for repairing groundwater based on an in-situ chemical oxidation method according to claim 1, wherein a rotating shaft (410) is clamped in the installation tube (41) in a rotating way, and the rotating shaft (410) is connected with an output shaft of a rotating motor (22); injection head (42) both sides slip joint has injection tube (420) that run through injection head (42), and two injection tube (420) are close to one end all is provided with pinion rack (421), injection head (42) are run through to rotation axis (410) bottom, and are provided with respectively with pinion rack (411) of two pinion rack (421) meshing connection.
4. The device for restoring groundwater based on an in situ chemical oxidation method according to claim 1, wherein a movable well pipe (43) is slidably clamped in the well pipe channel (10), and a propulsion assembly (44) for pushing the movable well pipe (43) into the subsurface is arranged in the equipment box (1).
5. The device for repairing underground water based on the in-situ chemical oxidation method according to claim 4, wherein the propulsion assembly (44) comprises a compression ring (440), a gear ring (441) and a propulsion motor (442), the compression ring (440) is movably clamped at the top end of the movable well pipe (43), a plurality of guide screws (443) are circumferentially connected with the compression ring (440) in a threaded manner, two ends of each guide screw (443) are respectively rotatably clamped with the inner wall of the equipment box (1), the bottom end of each guide screw (443) is respectively sleeved with a connecting gear (444), the gear ring (441) is sleeved outside the movable well pipe (43) and is rotatably clamped with the inner bottom of the equipment box (1), the gear ring (441) is meshed with each connecting gear (444), the propulsion motor (442) is arranged at the inner bottom of the equipment box (1) and is electrically connected with the PLC controller, and the propulsion motor (442) provides power for the gear ring (441).
6. The device for restoring groundwater based on an in situ chemical oxidation method according to claim 1, wherein the bottom of the equipment box (1) is provided with a moving wheel.
7. A process for remediation of groundwater by a device according to any one of claims 1 to 6 including the steps of:
s1, respectively connecting an electric cylinder (12), a pushing motor (21), a rotating motor (22) and a booster pump with an external power supply, and injecting chemical oxidation medicament into a medicament box (40) through a medicament injection pipe;
s2, starting a pushing motor (21) and a rotating motor (22) on a guide cylinder (20) fixedly connected with the equipment box (1), and driving a docking rod (30) and a drill rod (32) to rotate by using the rotating motor (22) to drill a soil layer; simultaneously, in the rotating process of the butt joint rod (30) and the drill rod (32), the butt joint rod continuously moves downwards along the equipment box (1) under the action of the pushing motor (21) and the first screw rod (24) until the earth breaking drill bit (320) reaches a polluted water layer, and the drilling is finished;
s3, moving the equipment box (1), enabling the well pipe channel (10) to be located above a drill hole, then starting the electric cylinder (12), and moving the guide cylinder (20) which is slidably clamped with the moving frame (11) on the moving frame (11) to be located above the well pipe channel (10) by utilizing the output end of the electric cylinder (12);
s4, starting a pushing motor (21) on a guide cylinder (20) which is in sliding clamping connection with the movable frame (11), pushing the mounting tube (41) and the injection head (42) to move downwards along the well pipe channel (10) by using the pushing motor (21), and finally entering a drilled hole;
s5, starting a booster pump, injecting chemical oxidation chemicals in the chemical tank (40) into the groundwater through an injection pipe (420) on the injection head (42), and finishing chemical oxidation restoration treatment of the groundwater.
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