CN118652016A - Polluted groundwater extraction treatment equipment and treatment process - Google Patents
Polluted groundwater extraction treatment equipment and treatment process Download PDFInfo
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- CN118652016A CN118652016A CN202411137363.XA CN202411137363A CN118652016A CN 118652016 A CN118652016 A CN 118652016A CN 202411137363 A CN202411137363 A CN 202411137363A CN 118652016 A CN118652016 A CN 118652016A
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- elution
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- 238000000605 extraction Methods 0.000 title claims abstract description 58
- 239000003673 groundwater Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000010865 sewage Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000007664 blowing Methods 0.000 claims abstract description 38
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 25
- 231100000719 pollutant Toxicity 0.000 claims abstract description 25
- 230000003647 oxidation Effects 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 15
- 238000005086 pumping Methods 0.000 claims abstract description 12
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 9
- 238000010828 elution Methods 0.000 claims description 54
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 239000000945 filler Substances 0.000 claims description 15
- 238000007667 floating Methods 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 239000006004 Quartz sand Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000006479 redox reaction Methods 0.000 claims description 4
- 239000008213 purified water Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 12
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 abstract description 8
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 abstract description 8
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 abstract description 8
- PGPNJCAMHOJTEF-UHFFFAOYSA-N 1-chloro-4-phenoxybenzene Chemical compound C1=CC(Cl)=CC=C1OC1=CC=CC=C1 PGPNJCAMHOJTEF-UHFFFAOYSA-N 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000006864 oxidative decomposition reaction Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 210000003813 thumb Anatomy 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses polluted groundwater extraction treatment equipment and treatment process, wherein the treatment equipment comprises a base, and an extraction assembly, a blowing deodorizing assembly and an electrocatalytic oxidation assembly which are arranged on the base; the pumping assembly is used for pumping the sewage collected in the underground well into the blowing and deodorizing assembly, and the blowing and deodorizing assembly is used for converting peculiar smell pollutants in the sewage into gas phase and discharging the gas phase out of the equipment; the electrocatalytic oxidation assembly is used for oxidizing and decomposing pollutants such as benzene, carbon tetrachloride, chlorobenzene, chloroform, 4-chlorodiphenyl ether and the like in the sewage into micromolecular substances and discharging the pollutants out of the equipment so as to realize extraction treatment of the polluted underground water; the device has reasonable structural design, and prevents the surrounding environment from being further deteriorated due to the pollution of the underground water by removing the peculiar smell substances in the sewage; meanwhile, pollutants such as benzene, carbon tetrachloride, chlorobenzene, chloroform, 4-chlorodiphenyl ether and the like in the sewage are subjected to oxidative decomposition by utilizing the electrocatalytic oxidation assembly, so that the safety of sewage discharge is improved.
Description
Technical Field
The invention relates to the technical field of groundwater treatment, in particular to polluted groundwater extraction treatment equipment and a treatment process.
Background
Extraction treatment techniques (Pump and treatment) are one of the most commonly used groundwater remediation techniques. The polluted groundwater is extracted to the ground through a series of pumping wells, and then the pollutants in the groundwater are removed through treatment facilities and equipment, and discharged into a corresponding pipe network or water body after reaching the specified discharge standard, or directly reinjected into the underground environment.
The air stripping method is an effective means for treating polluted groundwater, and utilizes clean air to transfer soluble volatile compounds in water from a liquid phase to a gas phase so as to achieve the aim of removing chlorinated hydrocarbon pollutants in water, and is early applied to removing gases such as CO 2、H2S、NH3 dissolved in water, and environmental scientists continuously perform experiments of blowing and dewatering volatile organic matters from the mid seventies, and the technology is applied to sewage treatment polluted by the volatile organic matters.
However, when the stripping tower is independently used for treating the polluted underground water, only volatile pollutants in the underground water can be removed, the treatment object range is smaller, and further treatment means are needed for the organic matters which are difficult to volatilize, so that the treatment difficulty of the polluted underground water is increased, and the cost input of a treatment enterprise is also increased.
Disclosure of Invention
Aiming at the technical problems, the invention provides a polluted groundwater extraction treatment device and a treatment process.
The technical scheme of the invention is as follows: the polluted groundwater extraction treatment equipment comprises a base, and an extraction assembly, a blowing deodorizing assembly and an electrocatalytic oxidation assembly which are sequentially arranged on the base and are connected with each other; the extraction assembly comprises an extraction pump arranged on the base and an extraction pipe connected with the input end of the extraction pump;
The blowing and deodorizing component comprises an elution tower connected with the output end of the pumping pump, a mesh baffle plate, a packing frame and an air blowing component which are sequentially arranged inside the elution tower from top to bottom, a rotating motor which is arranged at the top end of the elution tower and provides power for the air blowing component, and a Roots blower which is arranged on the base and connected with the air blowing component;
The electrocatalytic oxidation assembly comprises a treatment cylinder arranged on the base and connected with the elution tower, an electrode component arranged at the inner bottom of the treatment cylinder, a driving motor arranged at the top end of the treatment cylinder and used for providing power for the electrode component, and a pulse power supply arranged on the base and electrically connected with the electrode component; the joint of the treatment cylinder and the elution tower is provided with a booster pump.
Further, an active carbon adsorption tank is arranged at the upper part of the outer side wall of the elution tower, and a drain pipe is arranged at the lower part of the outer side wall of the elution tower; the air blowing component comprises a plurality of folding rod modules which are arranged at the inner bottom of the elution tower in a scattering mode and mounting sleeves which are fixedly arranged at the inner bottom of the elution tower and connected with the folding rod modules, and a plurality of air blowing spray heads are distributed on the folding rod modules; the Roots blower is respectively connected with each blowing nozzle through a connecting pipe; the two ends of each folding rod module are movably hinged with connecting seats, the connecting seats at the ends, far away from each other, of each folding rod module are respectively and rotatably clamped with the inner wall of the elution tower, and the connecting seats at the ends, close to each other, of each folding rod module penetrate through the mounting sleeve and are connected with a first bevel gear; the output end of the rotating motor is provided with a rotating rod which penetrates through the mesh partition plate and the packing box respectively and is inserted into the installation sleeve; the rotating rod is sleeved with second bevel gears which are respectively connected with the first bevel gears in a meshed manner;
Description: the second bevel gear is driven to rotate through the rotary rod, and the rotation of each folding rod module is realized through the meshing effect of the second bevel gear and the first bevel gear, so that the air blowing nozzle blows outside air to sewage at different angles, and the air stripping effect of peculiar smell substances in the sewage is improved.
Further, a liquid adding pipe is arranged at the upper part of the outer side wall of the treatment cylinder, a mud discharging pipe and a water discharging pipe are arranged at the lower part of the outer side wall of the treatment cylinder, and the water discharging pipe is higher than the mud discharging pipe; a guide screw is arranged in the sludge discharge pipe, and a discharge hole is formed in the side wall of the sludge discharge pipe; the lower end of the inner part of the treatment cylinder is provided with a conical hopper, and the lower end of the conical hopper is provided with a deposition box connected with a mud discharge pipe; the electrode component comprises a mounting disc arranged in the conical hopper and positioned above the deposition box, a plurality of connecting rods distributed at equal intervals on the circumference of the mounting disc, telescopic rods respectively hinged to one end of each connecting rod far away from the mounting disc in a one-to-one correspondence manner, and anode rods and cathode rods arranged on each connecting rod at intervals; the output end of the driving motor is provided with a hollow shaft fixedly connected with the mounting plate; an adjusting seat is sleeved on the hollow shaft; one end of each telescopic rod, which is far away from the corresponding connecting rod, is movably hinged with the adjusting seat; the pulse power supply is respectively and electrically connected with the anode rod and the cathode rod;
Description: when the device is used, hydrogen peroxide is added into the treatment cylinder through the liquid adding pipe, the hollow shaft is utilized to drive the mounting plate and the adjusting seat to rotate, the connecting rod and the telescopic rod are utilized to continuously stir sewage, so that the sewage and the hydrogen peroxide are uniformly mixed, then a pulse power supply is utilized to supply power for the anode rod and the cathode rod respectively, so that oxidation-reduction reaction of pollutants in the sewage occurs on the surface of the electrode, and the pollutants are oxidized into small molecular substances which are easy to biodegrade by receiving electrons and are collected in the deposition box.
Further, a leveling disc positioned above the filling frame is connected to the rotating rod in a sliding clamping manner, a plurality of rotating press rollers are circumferentially distributed on the leveling disc at equal intervals, and a first compression spring which is abutted to the upper end face of the leveling disc is sleeved on the rotating rod;
description: the rotary rod drives the leveling disc to rotate in the rotating process, the rotary press roller is utilized to compress the filler inside the filler frame, gaps are avoided from being generated by the filler under the impact of sewage, the stability of a water film on the surface of the filler is improved, and the conversion efficiency of dissolved gas and volatile substances in sewage is promoted.
Further, a plurality of thumb wheels are connected to each rotary press roller in a sliding and clamping mode, sliding rods which are respectively connected with each thumb wheel in a sliding and clamping mode are arranged inside the rotary press rollers, and second compression springs positioned on two sides of the thumb wheels are sleeved on the sliding rods;
Description: in the rotating process of the rotary press roller, each thumb wheel slightly swings under the action of the second compression spring, so that the compression degree of the rotary press roller on the filler is improved.
Further, the folding rod module is formed by hinging a plurality of folding rods end to end, and reset torsion springs are arranged at the connecting positions of the folding rods; the rotating rod is sleeved with a follow-up sleeve; each connecting seat at one end, far away from each other, of each folding rod module penetrates through the follow-up sleeve respectively, idler wheels are arranged on the connecting seats, third compression springs which are abutted with the outer wall of the follow-up sleeve are sleeved on the connecting seats, and arc-shaped stop blocks are arranged on the inner wall of the elution tower and at positions corresponding to the idler wheels;
description: in the rotating process of the folding rod module, the idler wheels on the connecting seats at the end parts of the folding rods continuously collide with the arc-shaped stop blocks, so that the folding rods continuously stretch and expand, the spraying angle of the blowing nozzle in the horizontal direction is changed, and the diffusion uniformity of gas in sewage is facilitated.
Further, the adjusting seat is in sliding clamping connection with the hollow shaft, and a first electric push rod connected with the adjusting seat is arranged in the hollow shaft;
Description: utilize first electric putter to promote the regulation seat and reciprocate along the hollow shaft for the connecting rod deflects along its pin joint with the mounting disc, not only can improve the stirring effect of connecting rod to sewage, is favorable to improving the contact efficiency of anode rod and cathode rod and sewage moreover, improves the electrolytic oxidation effect of sewage.
Further, a floating disc positioned above the electrode component is connected to the hollow shaft in a sliding and clamping manner, a plurality of collecting net boxes are distributed on the lower bottom surface of the floating disc at equal intervals, and collecting ports are formed in two sides of each collecting net box in a penetrating manner;
Description: the hollow shaft is utilized to drive the floating disc to rotate, the floating disc always floats on the water surface, and pollutants floating on the water surface enter the collecting net box through the collecting opening to be collected in the rotating process of the collecting net box along with the floating disc, so that the purifying effect of the equipment on sewage is improved.
Further, the connecting rod is hollow, a second electric push rod is arranged in the connecting rod connected with the cathode rod, a cleaning sleeve is movably sleeved on the cathode rod, and the cleaning sleeve is in sliding clamping connection with the connecting rod and is connected with the second electric push rod;
description: and the second electric push rod is used for pulling the cleaning sleeve to slide on the surface of the cathode rod, so that pollutants attached to the surface of the cathode rod are cleaned, and the transfer efficiency of electrons on the cathode rod is ensured.
The invention also provides a polluted groundwater extraction treatment process, which is based on the polluted groundwater extraction treatment equipment and comprises the following steps:
s1, filling filter materials: filling water purification ceramsite into the filler frame, and filling quartz sand filter materials above the mesh partition plate;
s2, elution treatment: placing a pumping pipe in a pumping well, then introducing sewage in the pumping well into an elution tower by using a pumping pump, filtering the sewage by using quartz sand filter materials, flowing to the inner bottom of the elution tower by using purified water ceramsite in the form of water drops, injecting air into the elution tower by using a Roots blower through an air blowing component, and countercurrent contacting with the water drops of the sewage to finish a mass transfer process, so that peculiar smell gas in the sewage is converted into a gas phase and then is discharged out of the elution tower;
S3, electrolytic oxidation treatment: pumping the sewage after S2 elution treatment into the treatment cylinder through a booster pump, and injecting hydrogen peroxide into the treatment cylinder; the driving motor is utilized to drive the electrode component to rotate, so that the sewage and the hydrogen peroxide are uniformly mixed; and then, a pulse power supply is used for supplying power to the electrode component, so that the pollutants in the sewage undergo oxidation-reduction reaction on the surface of the electrode component, the pollutant accepted electrons are oxidized into small molecular substances which are easy to biodegrade and are deposited at the inner bottom of the treatment cylinder, and the sewage after the electrolytic oxidation treatment is discharged through a drain pipe.
Compared with the prior art, the invention has the beneficial effects that:
The equipment has reasonable structural design, and the peculiar smell substances in the sewage are effectively removed by eluting the extracted polluted underground water, so that the further deterioration of the surrounding environment caused by the polluted underground water is avoided; meanwhile, the electric catalytic oxidation assembly is utilized to carry out electrolytic oxidation treatment on the eluted sewage, so that pollutants such as benzene, carbon tetrachloride, chlorobenzene, chloroform, 4-chlorodiphenyl ether and the like in the sewage are effectively removed, and the safety of sewage discharge is improved;
secondly, when the device is used, the quartz sand filter material is utilized to carry out primary filtration treatment on the sewage, so that impurities in the sewage are prevented from blocking the device, and the running stability of the device is ensured; meanwhile, the tail gas generated in the sewage elution process is adsorbed and purified by the active carbon adsorption tank, so that the secondary pollution problem in the equipment operation process is avoided;
Thirdly, the invention utilizes the rotating electrode component, which not only can play a role of stirring sewage, but also is beneficial to improving the contact efficiency of the electrode component and the sewage, thereby improving the electrolytic oxidation treatment efficiency of the sewage and further improving the working efficiency of equipment.
Drawings
FIG. 1 is a longitudinal cross-sectional view of the apparatus of the present invention;
FIG. 2 is a front view of the apparatus of the present invention;
FIG. 3 is a schematic illustration of the connection of the blowing means of the present invention to the elution column;
FIG. 4 is a schematic illustration of the connection of a rotating press roll to a stuffing box of the present invention;
FIG. 5 is an enlarged partial schematic view of the present invention at A in FIG. 4;
FIG. 6 is a distribution diagram of the inside of a packing box of the rotating press roll of the present invention;
fig. 7 is a schematic structural view of an electrode member of the present invention;
FIG. 8 is a profile of the connecting rod of the present invention on a mounting plate;
FIG. 9 is a schematic view of the connection of the cleaning sleeve of the present invention to the cathode rod and connecting rod;
FIG. 10 is a distribution diagram of the collection cage of the present invention on a float plate;
FIG. 11 is a schematic illustration of the connection of the collection cage to the float of the present invention;
wherein, 1-draw out subassembly, 10-draw out pump, 11-draw out pipe, 2-blow out deodorization subassembly, 20-elution tower, 200-activated carbon adsorption tank, 201-blow off pipe, 21-mesh baffle, 22-packing box, 23-blowing component, 230-folding bar module, 2300-folding bar, 231-blow off shower head, 232-mounting sleeve, 233-connecting seat, 2330-roller, 2331-third compression spring, 2332-arc stopper, 234-first bevel gear, 24-rotating motor, 240-rotating rod, 241-second bevel gear, 25-Roots blower, 26-flattening disc, 260-rotating press roll, 2600-first compression spring, 261-thumb wheel, 2610-sliding rod, 2611-second compression spring, 27-follow-up sleeve, 3-electrocatalytic oxidation subassembly, 30-treating cylinder, 300-liquid adding pipe, 301-mud discharging pipe, 302-drain pipe, 31-electrode component, 310-mounting disc, 311-connecting rod, 312-telescoping rod, 313-anode rod, 314-cathode rod, 315-cleaning sleeve, 315-motor-cleaning sleeve, 32-320, 260-rotating press roll, 2600-driving sleeve, 35-collecting sleeve, 35-hollow shaft drive sleeve, 37-35-collecting box, 37-collecting box, 35-collecting box, electric box.
Detailed Description
Example 1: the polluted groundwater extraction treatment equipment shown in fig. 1 comprises a base, and an extraction assembly 1, a blowing and deodorizing assembly 2 and an electrocatalytic oxidation assembly 3 which are sequentially arranged on the base and are connected with each other; the extraction assembly 1 comprises an extraction pump 10 arranged on a base and an extraction pipe 11 connected with the input end of the extraction pump 10;
As shown in fig. 1, 2 and 3, the air deodorizing assembly 2 comprises an elution column 20 connected to the output end of a pump 10, a mesh partition 21, a packing box 22 and an air blowing member 23 which are sequentially disposed inside the elution column 20 from top to bottom, a rotary motor 24 disposed at the top end of the elution column 20 and powering the air blowing member 23, and a roots blower 25 disposed on the base and connected to the air blowing member 23; an activated carbon adsorption tank 200 is arranged at the upper part of the outer side wall of the elution tower 20, and a drain pipe 201 is arranged at the lower part of the outer side wall of the elution tower 20; the air blowing component 23 comprises 4 folding rod modules 230 which are arranged at the inner bottom of the elution tower 20 in a scattering mode and mounting sleeves 232 which are fixedly arranged at the inner bottom of the elution tower 20 and connected with the folding rod modules 230, and a plurality of air blowing spray heads 231 are uniformly distributed on the folding rod modules 230; the Roots blower 25 is respectively connected with each blowing nozzle 231 through a connecting pipe; the two ends of each folding rod module 230 are movably hinged with connecting seats 233, the connecting seats 233 at the ends, far away from each other, of each folding rod module 230 are respectively clamped with the inner wall of the elution column 20 in a rotating way, and the connecting seats 233 at the ends, close to each other, of each folding rod module 230 penetrate through the mounting sleeve 232 and are connected with the first bevel gear 234; the output end of the rotary motor 24 is provided with a rotary rod 240 penetrating through the mesh partition plate 21 and the packing box 22 respectively and inserted into the inside of the mounting sleeve 232; the rotating rod 240 is sleeved with second bevel gears 241 which are respectively connected with the first bevel gears 234 in a meshed manner; the second bevel gear 241 is driven to rotate by the rotating rod 240, and the rotation of each folding rod module 230 is realized by the meshing action of the second bevel gear 241 and the first bevel gear 234, so that the air blowing nozzle 231 blows outside air to sewage at different angles, thereby being beneficial to improving the blowing effect of peculiar smell substances in the sewage;
As shown in fig. 3, the folding bar module 230 is formed by hinging 9 folding bars 2300 end to end, and reset torsion springs are arranged at the joints of the folding bars 2300; the rotating rod 240 is sleeved with a follow-up sleeve 27; each connecting seat 233 of one end, far away from each other, of each folding rod module 230 penetrates through the follower sleeve 27 respectively, each connecting seat 233 is provided with a roller wheel 2330, each connecting seat 233 is sleeved with a third compression spring 2331 which is abutted against the outer wall of the follower sleeve 27, and each position, corresponding to each roller wheel 2330, of the inner wall of the elution tower 20 is provided with an arc-shaped stop block 2332;
As shown in fig. 1,2, 7 and 8, the electrocatalytic oxidation assembly 3 comprises a treatment cylinder 30 arranged on a base and connected with the elution column 20, an electrode member 31 arranged at the bottom inside the treatment cylinder 30, a driving motor 32 arranged at the top end of the treatment cylinder 30 and used for providing power for the electrode member 31, and a pulse power supply (not shown in the figure) arranged on the base and electrically connected with the electrode member 31; a booster pump 33 is arranged at the joint of the treatment cylinder 30 and the elution tower 20; the upper part of the outer side wall of the treatment cylinder 30 is provided with a liquid adding pipe 300, the lower part of the outer side wall of the treatment cylinder 30 is provided with a mud discharging pipe 301 and a water discharging pipe 302, and the water discharging pipe 302 is higher than the mud discharging pipe 301; the inside of the sludge discharge pipe 301 is provided with a guide-out screw 38, and the side wall of the sludge discharge pipe 301 is provided with a discharge hole; the lower end of the inside of the treatment cylinder 30 is provided with a conical hopper 34, and the lower end of the conical hopper 34 is provided with a deposition box 340 connected with a mud discharging pipe 301; the electrode member 31 comprises a mounting plate 310 arranged in the conical hopper 34 and positioned above the deposition box 340, 4 connecting rods 311 which are equidistantly distributed on the circumference of the mounting plate 310, telescopic rods 312 which are respectively and correspondingly hinged to one end of each connecting rod 311 far away from the mounting plate 310, and anode rods 313 and cathode rods 314 which are arranged on each connecting rod 311 at intervals; the output end of the driving motor 32 is provided with a hollow shaft 320 fixedly connected with the mounting plate 310; the hollow shaft 320 is sleeved with an adjusting seat 321; one end of each telescopic rod 312 far away from the corresponding connecting rod 311 is movably hinged with the adjusting seat 321; the pulse power supply is electrically connected with the anode rod 313 and the cathode rod 314 respectively; the anode rod 313 and the cathode rod 314 are graphite electrode rods.
Example 2: this example describes a contaminated groundwater extraction treatment process, based on the contaminated groundwater extraction treatment apparatus of example 1, comprising the steps of:
s1, filling filter materials: filling water purification ceramsite into the filler frame 22, and filling quartz sand filter materials above the mesh baffle plate 21; the particle size of the water purification ceramsite is 1-2 mm, and the particle size of the quartz sand filter material is 0.5-0.8 mm;
S2, elution treatment: placing the extraction pipe 11 in an extraction well, then introducing sewage in the extraction well into the elution tower 20 by using the extraction pump 10, filtering the sewage by quartz sand filter materials, then passing through purified water ceramsite, flowing to the inner bottom of the elution tower 20 in the form of water drops, injecting air into the elution tower 20 by using the Roots blower 25 through the blowing nozzle 231, driving the rotating rod 240 and the second bevel gear 241 to rotate by using the rotating motor 24, enabling each folding rod module 230 to rotate on the mounting sleeve 232 by using the meshing effect of the second bevel gear 241 and the first bevel gear 234, enabling the blowing nozzle 231 to make countercurrent contact between external air and sewage water drops at different angles, completing the mass transfer process, enabling peculiar smell gas in the sewage to be converted into gas phase, then entering the activated carbon adsorption tank 200, and discharging the gas after being adsorbed and purified by the activated carbon adsorption tank 200 out of the elution tower 20; contaminants deposited at the bottom of the eluting tower 20 are discharged through a drain pipe 201; wherein the gas-liquid ratio in the eluting tower 20 is 3cm 3:1L;
S3, electrolytic oxidation treatment: pumping the sewage after S2 elution treatment into the treatment cylinder 30 through a booster pump 33, and injecting hydrogen peroxide into the treatment cylinder 30 through a liquid adding pipe 300; the driving motor 32 is utilized to drive the hollow shaft 320, the mounting plate 310 and the adjusting seat 321 to rotate, and the connecting rod 311 and the telescopic rod 312 are utilized to continuously stir sewage, so that the sewage and hydrogen peroxide are uniformly mixed; then, a pulse power supply is used for respectively supplying power to the anode rod 313 and the cathode rod 314, so that oxidation-reduction reaction is carried out on pollutants in the sewage on the surfaces of the anode rod 313 and the cathode rod 314, the pollutants are oxidized into small molecular substances which are easy to biodegrade by electrons, the small molecular substances are collected in the deposition box 340, and finally, the small molecular substances are discharged through the sludge discharge pipe 301, and the sewage after the electrolytic oxidation treatment is discharged through the water discharge pipe 302; wherein, the adding amount of the hydrogen peroxide is 100ml/L.
Example 3: this embodiment is different from embodiment 1 in that 6 folding bar modules 230 are provided; the number of the connection bars 311 is 8.
Example 4: the difference between this embodiment and embodiment 1 is that, as shown in fig. 4, 5 and 6, a leveling disc 26 located above the packing box 22 is slidably clamped on a rotating rod 240, 4 rotating press rollers 260 are circumferentially and equidistantly distributed on the leveling disc 26, and a first compression spring 2600 abutting against the upper end surface of the leveling disc 26 is sleeved on the rotating rod 240; 7 thumb wheels 261 are in sliding clamping connection with each rotary press roller 260, sliding rods 2610 which are in sliding clamping connection with each thumb wheel 261 are arranged inside the rotary press rollers 260, and second compression springs 2611 positioned on two sides of each thumb wheel 261 are sleeved on the sliding rods 2610;
the rotary compression roller 260 is utilized to compress the filler inside the filler frame 22, so that gaps are avoided from being generated by the filler under the impact of sewage, the stability of a water film on the surface of the filler is improved, and the conversion efficiency of dissolved gas and volatile substances in sewage is promoted.
Example 5: this example describes a contaminated groundwater extraction treatment process, which is based on the contaminated groundwater extraction treatment apparatus of example 4, and differs from example 2 in that:
in the step S1, the particle size of the water purification ceramsite is 2-4 mm, and the particle size of the quartz sand filter material is 0.8-1.2 mm;
In step S2, the rotating rod 240 drives the leveling disc 26 to rotate during the rotation process, the rotating press roller 260 is used to compress the filler inside the filler frame 22, and each thumb wheel 261 swings slightly under the action of the second compression spring 2611, so as to further improve the compression degree of the rotating press roller 260 on the filler;
the gas-liquid ratio in the eluting tower 20 is 5cm 3 to 1L;
In the step S3, the adding amount of the hydrogen peroxide is 200ml/L.
Example 6: this embodiment differs from embodiment 4 in that 6 rotating press rollers 260 are equally distributed in the circumferential direction of the leveling disk 26.
Example 7: this embodiment is different from embodiment 4 in that the folding bar module 230 is formed by hinging 11 folding bars 2300 end to end.
Example 8: this example describes a contaminated groundwater extraction treatment process, which is based on the contaminated groundwater extraction treatment apparatus of example 7, and differs from example 5 in that:
In the step S1, the particle size of the water purification ceramsite is 3-4 mm, and the particle size of the quartz sand filter material is 0.7-0.9 mm;
in step S2, in the rotation process of the folding rod module 230, the rollers 2330 on the connection seats 233 at the end portions of the folding rods 2300 continuously collide with the arc-shaped stoppers 2332, so that the folding rods 2300 continuously stretch and expand, and the spraying angle of the blowing nozzle 231 in the horizontal direction is changed.
The gas-liquid ratio in the eluting tower 20 is 8cm 3:1L;
In the step S3, the adding amount of the hydrogen peroxide is 300ml/L.
Example 9: this embodiment is different from embodiment 7 in that the folding bar module 230 is formed by hinging 12 folding bars 2300 end to end.
Example 10: the difference between this embodiment and embodiment 7 is that, as shown in fig. 7, the adjusting seat 321 is slidably clamped with the hollow shaft 320, and the hollow shaft 320 is internally provided with a first electric push rod 35 connected with the adjusting seat 321;
Utilize first electric putter 35 to promote the regulation seat 321 and reciprocate along hollow shaft 320 for connecting rod 311 deflects along its pin joint with mounting disc 310, not only can improve the stirring effect of connecting rod 311 to sewage, is favorable to improving the contact efficiency of anode rod 313 and cathode rod 314 and sewage moreover, improves the electrolytic oxidation effect of sewage.
Example 11: this example describes a contaminated groundwater extraction treatment process, which is based on the contaminated groundwater extraction treatment apparatus of example 10, and differs from example 8 in that:
in step S3, the first electric push rod 35 is used to push the adjusting seat 321 to move up and down along the hollow shaft 320, so that the connecting rod 311 deflects along its hinge point with the mounting plate 310.
Example 12: the difference between this embodiment and embodiment 10 is that, as shown in fig. 1, 10 and 11, a floating disc 36 located above an electrode member 31 is slidably clamped on a hollow shaft 320, 4 collecting net boxes 360 are equidistantly distributed on the bottom surface of the floating disc 36, and collecting ports 3600 are arranged on two sides of the collecting net boxes 360 in a penetrating manner;
In the process that the collection net cage 360 rotates along with the floating disc 36, pollutants floating on the water surface enter the collection net cage 360 through the collection port 3600 to be collected, and the purification effect of the device on sewage is improved.
Example 13: this example describes a contaminated groundwater extraction treatment process, which is based on the contaminated groundwater extraction treatment apparatus of example 12, different from example 11 in that:
In step S3, the hollow shaft 320 rotates to drive the floating disc 36 to rotate, and the collection cage 360 at the bottom surface of the floating disc 36 is used to collect the pollutants floating on the water surface.
Example 14: this embodiment differs from embodiment 12 in that 6 collection cages 360 are equally spaced from the bottom surface of the float 36.
Example 15: the difference between this embodiment and embodiment 12 is that, as shown in fig. 8 and 9, the connecting rod 311 is hollow, a second electric push rod 37 is disposed inside the connecting rod 311 connected with the cathode rod 314, a cleaning sleeve 315 is movably sleeved on the cathode rod 314, and the cleaning sleeve 315 is slidably clamped with the connecting rod 311 and connected with the second electric push rod 37;
The cleaning sleeve 315 is used for cleaning the pollutants attached to the surface of the cathode rod 314, so that the transfer efficiency of electrons on the cathode rod 314 is ensured.
Example 16: this example describes a contaminated groundwater extraction treatment process, which is based on the contaminated groundwater extraction treatment apparatus of example 15, different from example 13 in that:
after step S3 is completed, the second electric push rod 37 is used to pull the cleaning sleeve 315 to slide on the surface of the cathode rod 314, so as to clean the pollutants attached to the surface of the cathode rod 314.
The pump 10, the blow nozzle 231, the rotary motor 24, the Roots blower 25, the anode rod 313, the cathode rod 314, the driving motor 32, the booster pump 33, the first electric push rod 35, the second electric push rod 37, the lead-out screw 38 and the pulse power source used in the present invention are all related art, and are not particularly limited herein, and corresponding products can be selected according to actual needs.
In order to verify the treatment effect of the treatment equipment of the invention on the polluted groundwater, the treatment equipment of the invention in example 1, example 4, example 7, example 10, example 12 and example 15 are respectively utilized to extract the polluted groundwater in a certain chemical field in the south of China, after the treatment is completed, the concentration of each pollutant in the equipment effluent of each example is respectively detected, the removal rate of each pollutant is calculated, and the calculation results are shown in table 1:
TABLE 1 removal rate of contaminants after treatment of contaminated groundwater
As can be seen from the data in Table 1, the treatment equipment in the embodiments 1,4, 7, 10, 12 and 15 of the invention is used for extracting the polluted underground water in a chemical industry park in the south of China, the removal rate of each pollutant in the polluted underground water can meet the requirement, and the treated polluted underground water can reach the discharge standard;
The treatment equipment in example 15 was used to extract the contaminated groundwater, the benzene removal rate in the contaminated groundwater was 89%, the carbon tetrachloride removal rate was 91%, the chlorobenzene removal rate was 95%, the chloroform removal rate was 93%, and the 4-chlorodiphenyl ether removal rate was 96%, and the data were superior to those of the other equipment in each example, and the treatment equipment in example 15 was the optimal equipment.
Claims (10)
1. The polluted groundwater extraction treatment equipment is characterized by comprising a base, and an extraction assembly (1), a blowing and deodorizing assembly (2) and an electrocatalytic oxidation assembly (3) which are sequentially arranged on the base and are connected with each other; the extraction assembly (1) comprises an extraction pump (10) arranged on a base and an extraction pipe (11) connected with the input end of the extraction pump (10);
The blowing and deodorizing assembly (2) comprises an elution tower (20) connected with the output end of the pumping pump (10), a mesh baffle plate (21), a packing frame (22) and a blowing component (23) which are sequentially arranged inside the elution tower (20) from top to bottom, a rotating motor (24) which is arranged at the top end of the elution tower (20) and is used for providing power for the blowing component (23), and a Roots blower (25) which is arranged on the base and is connected with the blowing component (23);
The electrocatalytic oxidation assembly (3) comprises a treatment cylinder (30) arranged on a base and connected with an elution tower (20), an electrode component (31) arranged at the inner bottom of the treatment cylinder (30), a driving motor (32) arranged at the top end of the treatment cylinder (30) and used for providing power for the electrode component (31), and a pulse power supply arranged on the base and electrically connected with the electrode component (31); a booster pump (33) is arranged at the joint of the treatment cylinder (30) and the elution tower (20).
2. The polluted groundwater extraction treatment equipment according to claim 1, wherein an activated carbon adsorption tank (200) is arranged at the upper part of the outer side wall of the elution tower (20), and a drain pipe (201) is arranged at the lower part of the outer side wall of the elution tower (20); the air blowing component (23) comprises a plurality of folding rod modules (230) which are arranged at the inner bottom of the elution tower (20) in a scattering mode and mounting sleeves (232) which are fixedly arranged at the inner bottom of the elution tower (20) and connected with the folding rod modules (230), and a plurality of air blowing spray heads (231) are distributed on each folding rod module (230); the Roots blower (25) is respectively connected with each blowing nozzle (231) through a connecting pipe; the two ends of each folding rod module (230) are movably hinged with connecting seats (233), the connecting seats (233) at the ends, far away from each other, of each folding rod module (230) are respectively clamped with the inner wall of the elution tower (20) in a rotating way, and the connecting seats (233) at the ends, close to each other, of each folding rod module (230) penetrate through the mounting sleeve (232) and are connected with the first bevel gear (234); the output end of the rotating motor (24) is provided with a rotating rod (240) which penetrates through the mesh partition plate (21) and the packing box (22) respectively and is inserted into the mounting sleeve (232); the rotating rod (240) is sleeved with second bevel gears (241) which are respectively connected with the first bevel gears (234) in a meshed mode.
3. The polluted groundwater extraction treatment equipment according to claim 1, wherein a liquid adding pipe (300) is arranged at the upper part of the outer side wall of the treatment cylinder (30), a sludge discharging pipe (301) and a water discharging pipe (302) are arranged at the lower part of the outer side wall of the treatment cylinder (30), and the water discharging pipe (302) is higher than the sludge discharging pipe (301); a guide-out screw (38) is arranged in the sludge discharge pipe (301), and a discharge hole is formed in the side wall of the sludge discharge pipe (301); a conical hopper (34) is arranged at the lower end of the inner part of the treatment cylinder (30), and a deposition box (340) connected with a mud discharge pipe (301) is arranged at the lower end of the conical hopper (34); the electrode component (31) comprises a mounting disc (310) arranged in the conical hopper (34) and positioned above the deposition box (340), a plurality of connecting rods (311) which are equidistantly distributed in the circumferential direction of the mounting disc (310), telescopic rods (312) which are respectively and correspondingly movably hinged to one end of each connecting rod (311) far away from the mounting disc (310), anode rods (313) and cathode rods (314) which are arranged on each connecting rod (311) at intervals; the output end of the driving motor (32) is provided with a hollow shaft (320) fixedly connected with the mounting disc (310); an adjusting seat (321) is sleeved on the hollow shaft (320); one end of each telescopic rod (312) far away from the corresponding connecting rod (311) is movably hinged with the adjusting seat (321); the pulse power supply is electrically connected with the anode rod (313) and the cathode rod (314) respectively.
4. The polluted groundwater extraction treatment equipment according to claim 2, wherein the rotating rod (240) is slidably clamped with a leveling disc (26) located above the packing frame (22), a plurality of rotating press rollers (260) are circumferentially and equidistantly distributed on the leveling disc (26), and a first compression spring (2600) abutting against the upper end face of the leveling disc (26) is sleeved on the rotating rod (240).
5. The polluted groundwater extraction treatment equipment according to claim 4, wherein a plurality of poking wheels (261) are slidably clamped on each rotary press roller (260), sliding rods (2610) slidably clamped with the poking wheels (261) are arranged inside the rotary press rollers (260), and second compression springs (2611) positioned on two sides of the poking wheels (261) are sleeved on the sliding rods (2610).
6. The polluted groundwater extraction treatment equipment according to claim 2, wherein the folding rod module (230) is formed by hinging a plurality of folding rods (2300) end to end, and reset torsion springs are arranged at the joints of the folding rods (2300); a follow-up sleeve (27) is sleeved on the rotary rod (240); each connecting seat (233) of one end that each folding rod module (230) is gone up and is kept away from each other runs through respectively follow-up cover (27), and all be provided with gyro wheel (2330) on this connecting seat (233), cover on connecting seat (233) be equipped with follow-up cover (27) outer wall butt third compression spring (2331), on the inner wall of elution tower (20) and with each department that corresponds in gyro wheel (2330) position all is provided with arc dog (2332).
7. A contaminated groundwater extraction treatment device according to claim 3, wherein the adjusting seat (321) is slidably clamped with the hollow shaft (320), and a first electric push rod (35) connected with the adjusting seat (321) is arranged inside the hollow shaft (320).
8. A contaminated groundwater extraction treatment device according to claim 3, wherein the hollow shaft (320) is slidably clamped with a floating disc (36) above the electrode member (31), a plurality of collecting net boxes (360) are equidistantly distributed on the lower bottom surface of the floating disc (36), and collecting ports (3600) are formed in two sides of the collecting net boxes (360) in a penetrating manner.
9. A polluted groundwater extraction treatment device according to claim 3, characterized in that the connecting rod (311) is hollow, a second electric push rod (37) is arranged in the connecting rod (311) connected with the cathode rod (314), a cleaning sleeve (315) is movably sleeved on the cathode rod (314), and the cleaning sleeve (315) is slidably clamped with the connecting rod (311) and connected with the second electric push rod (37).
10. A contaminated groundwater extraction treatment process based on a contaminated groundwater extraction treatment apparatus according to any one of claims 1 to 9, comprising the steps of:
s1, filling filter materials: filling water purification ceramsite into the filler frame (22), and filling quartz sand filter materials above the mesh partition plate (21);
S2, elution treatment: placing the extraction pipe (11) in an extraction well, then introducing sewage in the extraction well into an elution tower (20) by using an extraction pump (10), filtering the sewage by quartz sand filter materials, then passing through purified water ceramsite, flowing to the inner bottom of the elution tower (20) in the form of water drops, injecting air into the elution tower (20) by using a Roots blower (25) through a blowing component (23), and countercurrent contacting with sewage water drops to finish a mass transfer process, so that peculiar smell gas in the sewage is converted into gas phase and then discharged out of the elution tower (20);
s3, electrolytic oxidation treatment: pumping the sewage after S2 elution treatment into the treatment cylinder (30) through a booster pump (33), and injecting hydrogen peroxide into the treatment cylinder (30); the electrode component (31) is driven to rotate by the driving motor (32), so that the sewage and the hydrogen peroxide are uniformly mixed; and then a pulse power supply is used for supplying power to the electrode component (31), so that pollutants in the sewage undergo oxidation-reduction reaction on the surface of the electrode component (31), the pollutant accepted electrons are oxidized into small molecular substances which are easy to biodegrade and are deposited at the inner bottom of the treatment cylinder (30), and the sewage after the electrolytic oxidation treatment is discharged through the drain pipe (302).
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003126861A (en) * | 2001-10-29 | 2003-05-07 | Toshiba Corp | Method and apparatus for water treatment |
| CN106007122A (en) * | 2016-06-16 | 2016-10-12 | 安徽华丰节能环保科技有限公司 | Low-temperature plasma groundwater pollution remediation technology |
| CN107055877A (en) * | 2017-06-02 | 2017-08-18 | 清华大学 | A kind of mobile emergency handles the modular unit of organic contamination underground water |
| CN111410378A (en) * | 2020-04-30 | 2020-07-14 | 生态环境部南京环境科学研究所 | Microorganism-electrochemical coupling treatment system and treatment method for sulfate and fluoride ions in water |
| CN212198790U (en) * | 2020-11-24 | 2020-12-22 | 苏州市苏创环境科技发展有限公司 | Sewage nitrogen and phosphorus removal device |
| CN212741024U (en) * | 2020-06-15 | 2021-03-19 | 天津汉博特科技有限公司 | Chemical wastewater catalytic reactor capable of improving oxidation activity |
| CN215667271U (en) * | 2021-10-09 | 2022-01-28 | 湖南星城冶化环境科技有限公司 | Electrocatalytic oxidation device for treating ammonia nitrogen wastewater |
| CN114392594A (en) * | 2021-12-22 | 2022-04-26 | 内蒙古蒙电华能热电股份有限公司乌海发电厂 | Power plant is surperficial floater cleaning device for sewage treatment |
| CN114988533A (en) * | 2022-07-15 | 2022-09-02 | 山东森洋环境技术有限公司 | High-efficient electro-catalysis equipment |
| CN115093061A (en) * | 2022-07-25 | 2022-09-23 | 安徽久吾天虹环保科技有限公司 | Novel plasma sewage treatment system |
| CN117339382A (en) * | 2023-10-12 | 2024-01-05 | 信开环境投资有限公司 | Biological deodorization device and deodorization method |
| CN220496381U (en) * | 2023-07-27 | 2024-02-20 | 洪湖市卓发化机有限公司 | Packing compacting device |
-
2024
- 2024-08-19 CN CN202411137363.XA patent/CN118652016B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003126861A (en) * | 2001-10-29 | 2003-05-07 | Toshiba Corp | Method and apparatus for water treatment |
| CN106007122A (en) * | 2016-06-16 | 2016-10-12 | 安徽华丰节能环保科技有限公司 | Low-temperature plasma groundwater pollution remediation technology |
| CN107055877A (en) * | 2017-06-02 | 2017-08-18 | 清华大学 | A kind of mobile emergency handles the modular unit of organic contamination underground water |
| CN111410378A (en) * | 2020-04-30 | 2020-07-14 | 生态环境部南京环境科学研究所 | Microorganism-electrochemical coupling treatment system and treatment method for sulfate and fluoride ions in water |
| CN212741024U (en) * | 2020-06-15 | 2021-03-19 | 天津汉博特科技有限公司 | Chemical wastewater catalytic reactor capable of improving oxidation activity |
| CN212198790U (en) * | 2020-11-24 | 2020-12-22 | 苏州市苏创环境科技发展有限公司 | Sewage nitrogen and phosphorus removal device |
| CN215667271U (en) * | 2021-10-09 | 2022-01-28 | 湖南星城冶化环境科技有限公司 | Electrocatalytic oxidation device for treating ammonia nitrogen wastewater |
| CN114392594A (en) * | 2021-12-22 | 2022-04-26 | 内蒙古蒙电华能热电股份有限公司乌海发电厂 | Power plant is surperficial floater cleaning device for sewage treatment |
| CN114988533A (en) * | 2022-07-15 | 2022-09-02 | 山东森洋环境技术有限公司 | High-efficient electro-catalysis equipment |
| CN115093061A (en) * | 2022-07-25 | 2022-09-23 | 安徽久吾天虹环保科技有限公司 | Novel plasma sewage treatment system |
| CN220496381U (en) * | 2023-07-27 | 2024-02-20 | 洪湖市卓发化机有限公司 | Packing compacting device |
| CN117339382A (en) * | 2023-10-12 | 2024-01-05 | 信开环境投资有限公司 | Biological deodorization device and deodorization method |
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