CN120535147B - A device and method for treating shallow groundwater pollution - Google Patents

Abstract

This invention relates to the field of water pollution control technology, and discloses a treatment device and method for shallow groundwater pollution. The treatment device includes a surface, a treatment well located inside the surface, a slag discharge well located on one side of the treatment well, a lifting assembly located above the treatment well, a replacement assembly located above the slag discharge well, and an air intake and exhaust assembly located above both the treatment well and the slag discharge well. A scraper assembly, driven by a transverse moving assembly, rotates a driven gear. Due to the meshing of the two driven gears, the two driven shafts rotate in opposite directions, driving two external scrapers to scrape scum into the slag discharge trough. While the external scrapers rotate, to conform to the entire water surface, an internal scraper slides within the external scraper via a telescopic spring, repeatedly moving the lifting baffle plate up and down to perform multiple skimming operations, effectively cleaning scum in a timely manner, reflecting the importance of water resource protection in environmental protection concepts.

Description

Treatment device and treatment method for shallow groundwater pollution

Technical Field

The invention relates to the technical field of water pollution treatment, in particular to a treatment device and a treatment method for shallow groundwater pollution.

Background

With the improvement of environmental awareness and the aggravation of pollution, shallow groundwater pollution control is more and more critical. The pollution has the characteristics of concealment and the like, and the physical, chemical and biological methods are required to be combined. The ex-situ repair of the extraction treatment is mostly adopted in the early stage, and the efficiency and the cost are low. In recent years, new technologies such as in-situ chemical oxidation, biological repair and the like are emerging, and pollutants can be treated in situ, so that the method is environment-friendly, low in cost and good in effect, reduces secondary pollution and improves repair efficiency. The modern treatment device integrates a monitoring and control system, so that the repair safety and effectiveness are ensured. Meanwhile, the multi-stage sewage treatment technology is integrated, so that the environment-friendly technology is promoted, and the shallow groundwater pollution treatment is assisted.

The patent publication No. CN118359249A discloses a shallow groundwater pollution treatment device, which comprises a wall body, two lateral walls of wall body are all fixed mounting has a plurality of division boards, and the lateral wall of wall body is located the position between two adjacent division boards and all has seted up the intake channel, each trigger subassembly and shutoff subassembly are all installed to the inside of intake channel, the top fixed mounting of wall body has a plurality of treatment boxes the same with intake channel quantity, and the inside of each treatment box all is equipped with installation zone and stock solution district, a plurality of installation cavities have been seted up to the inside of wall body. The invention can avoid the cross contamination of pollutants of different laminar flows of the shallow groundwater by carrying out layered quantitative water pumping on the shallow groundwater, ensure the sufficiency of the shallow groundwater treatment, ensure the replacement of the reaction wall, automatically regulate and control the outflow of the treating agent based on the ion concentration of the groundwater and remind personnel to replace the reaction wall in time.

The prior art has the following defects:

The scum after pollution treatment cannot be cleaned timely, wherein scum can be generated in the process of pollution treatment of shallow groundwater, if the scum cannot be cleaned timely, a treatment system is blocked, the treatment efficiency and the water quality purifying effect are reduced, scum accumulation can be dissolved into water again, secondary pollution is caused, the treatment result is affected, in addition, the scum which is not cleaned occupies the treatment space, the treatment capacity of subsequent pollutants is affected, the effluent quality is not up to standard, and meanwhile, the scum possibly contains harmful substances, the ecological risk is increased due to long-term exposure to the environment, the surrounding environment and the biological health are threatened, and therefore, a device for cleaning the scum timely is required to be arranged, equipment blockage is prevented, the water flow is kept smooth, the treatment efficiency is improved, the long-term stable operation of the treatment device is maintained, and the effects of prolonging the service life of the equipment and reducing the environmental risk are achieved.

The underground water flow is unstable, the equipment cannot be operated at regular time for treatment, the equipment can be started for a long time to lower the operation efficiency and waste energy, and if operators need to intervene frequently and manually, the workload is increased, therefore, a device capable of storing water to a certain amount for triggering the equipment needs to be arranged, the operation efficiency of the equipment is improved, the equipment is ensured to work in an optimal state, the whole production or processing performance is improved, meanwhile, the manual intervention is reduced, the burden of operators is lightened, and the effects of improving the stability and the reliability of the equipment and reducing the energy consumption are achieved.

Disclosure of Invention

In view of the problems that the prior art cannot timely clean the scum after pollution treatment, cannot automatically adjust the equipment operation and the like, the treatment device and the treatment method for shallow groundwater pollution are provided.

According to the application, the scum is cleaned in time through the scum cleaning mechanism and the replacement assembly, so that the long-term stable operation of the treatment device is maintained, the effects of prolonging the service life of equipment and reducing the environmental risk are achieved, and the lifting assembly and the air inlet and outlet assembly are arranged, so that when the water storage reaches a certain amount, the equipment is triggered, the operation efficiency of the equipment is improved, the equipment is ensured to work in an optimal state, meanwhile, the manual intervention is reduced, the burden of operators is lightened, and the effects of improving the stability and the reliability of the equipment and reducing the energy consumption are achieved.

The invention has the technical scheme that the treatment device for shallow groundwater pollution comprises a ground, a treatment well arranged in the ground, a slag discharging well arranged at one side of the treatment well, a lifting component arranged above the treatment well, a replacement component arranged above the slag discharging well, an air inlet and exhaust component arranged above the treatment well and the slag discharging well, and a scum removing mechanism arranged in the treatment well, wherein a limiting plate and two symmetrically arranged first guide frames are fixedly arranged on the inner wall of the treatment well, a sediment filter cylinder is fixedly arranged at the bottom of the treatment well, a slag discharging groove is formed among the treatment well, the slag discharging well and the limiting plate, the scum removing mechanism comprises a buoyancy barrel which is slidably connected with the inner wall of the limiting plate, and a transverse moving component and a scraping plate component are arranged in the buoyancy barrel;

The scraper blade subassembly is including rotating two driven shafts of connecting in buoyancy bucket inner wall, two the equal fixedly connected with driven gear in top of driven shaft, two be the meshing state between the driven gear, two the equal fixedly connected with external scraper blade of outer wall of driven shaft, two external scraper blade all sets up in the bottom of buoyancy bucket, the inner wall sliding connection of external scraper blade has built-in scraper blade, fixedly connected with extension spring between the outer wall of built-in scraper blade and the inner wall of external scraper blade.

By adopting the scheme, through the scraper blade subassembly that sets up, drive driven gear rotation wherein by sideslip subassembly, because two driven gear meshing, two driven shafts reverse rotation thereupon, drive two external scrapers and scrape the dross into the sediment groove, external scraper blade pivoted is in the same time agreeing with whole surface of water, built-in scraper blade can slide in external scraper blade through the telescopic spring, reciprocate the lift breakwater repeatedly, carry out the effect of scraping the foam many times, play timely clearance dross, help maintaining processing apparatus's long-term steady operation, reach extension equipment life and reduce environmental risk's effect.

Further, the sideslip subassembly includes sliding connection in the sideslip post of buoyancy bucket inner wall, the one end fixedly connected with first sideslip rack that the sideslip post is close to the driven shaft, first sideslip rack and one of them driven gear engagement, the one end fixedly connected with second sideslip rack that the sideslip post was kept away from the driven shaft.

Further, the inner wall of the buoyancy barrel is rotatably connected with a driving gear, and the driving gear is meshed with the second transverse moving rack.

By adopting the scheme, through the sideslip subassembly and the driving gear that set up, lifting unit is triggered the operation back, and driving gear rotates and drives the sideslip post through the sideslip of second sideslip rack and sideslip to drive the scraper blade subassembly by first sideslip rack and scrape the foam operation, play transmission power and repetitive motion's effect.

Further, the lifting assembly comprises a lifting water baffle which is connected between the two first guide frames in a sliding mode, a driving rack is fixedly connected to the inner wall of the lifting water baffle, and when the lifting water baffle moves, the driving rack on the lifting water baffle is meshed with the driving gear.

Further, the lifting assembly further comprises a servo motor arranged on the ground, an output gear of the servo motor is meshed with a threaded rod, and the outer wall of the threaded rod is in threaded connection with the inner wall of the lifting water baffle.

By adopting the scheme, the servo motor operates for a period of time after the trigger equipment operates, the output gear of the servo motor drives the lifting water baffle to move upwards through the threaded rod, and when the driving rack on the lifting water baffle contacts with the driving gear, the transverse moving assembly drives the scraper assembly to scrape foam, so that the action of providing power is achieved.

Further, two second guide frames which are symmetrically arranged are fixedly connected to the inner wall of the slag discharging well, and a filtering reflux plate is fixedly connected to the bottom of the slag discharging well.

Further, change the subassembly and include fixed mounting in the capstan winch on ground, the output fixedly connected with couple of capstan winch, the below fixed mounting of couple has the crane, the inner wall of crane installs the active carbon adsorption piece, the active carbon adsorption piece sets up between slag runner and filtration return plate.

Further, advance exhaust assembly and include fixed mounting in air-blower and the suction fan on ground, the outer wall fixedly connected with blast pipe of air-blower, the end of blast pipe is through running through one of them first leading truck fixedly connected with porous exhaust frame, the outer wall fixedly connected with suction pipe of suction fan, two ends of suction pipe communicate respectively in another first leading truck and one of them second leading truck, correspond a plurality of suction holes have been seted up to the inner wall of first leading truck and second leading truck.

By adopting the scheme, through the replacement component and the air inlet and outlet component which are arranged, the buoyancy barrel is triggered to operate when reaching the designated position of the limiting plate along with the water level, the air blower and the suction fan are operated simultaneously, compressed air output by the air blower reaches the porous exhaust frame through the air blowing pipeline, a large amount of tiny bubbles are discharged from the porous exhaust frame, sewage treatment is carried out through the air floatation decontamination principle, scum is formed on the surface water layer, waste gas is formed on the upper layer of the treatment well, the waste gas is discharged into the suction fan through the air suction pipeline for collection treatment, then is cleaned by the scum cleaning mechanism, scum falls into the scum well through the air suction groove and is adsorbed by the activated carbon adsorption block, redundant water flows back to the underground water circulation path from the filtration reflux plate, and waste gas flowing along with the scum is discharged through the air suction hole on the second guide frame, when the activated carbon adsorption block needs to be replaced, the winch is operated manually, the lifting frame is pulled out of the well through the hook, and the activated carbon adsorption block is replaced and then is put back into the scum well, so as to play the role of air floatation decontamination.

In another aspect of the present application, there is provided a treatment method of a treatment apparatus for shallow groundwater pollution, comprising the steps of:

step one, groundwater is stored in a sediment filter cartridge;

step two, the buoyancy barrel is triggered to operate along with the rising of the water level;

Step three, the air inlet and outlet assembly operates to exhaust and suck air;

Step four, the servo motor operates to drive the lifting water baffle to move up and down;

step five, driving racks on the lifting water baffle plate drive the transverse moving columns to transversely move;

Step six, the transverse moving column drives the scraping plate component to scrape the scum into the scum discharging groove;

step seven, repeating the step four to the step six until the water level moves downwards;

turning off the equipment, resetting the lifting water baffle to store water, and repeating the first to seventh steps;

and step nine, operating the replacement assembly at regular time and manually replacing the activated carbon adsorption block.

By adopting the scheme, the buoyancy barrel is blocked to store water by the lifting water baffle, equipment operation is triggered when the buoyancy barrel reaches the appointed position of the limiting plate along with the water level, air inlet and exhaust treatment is carried out by the air inlet and exhaust assembly, a certain period of time is carried out by the servo motor after the air blower blows air, the output gear of the servo motor drives the lifting water baffle to move upwards through the threaded rod, when the driving rack on the lifting water baffle contacts with the driving gear, the traversing column is driven to move transversely through the second traversing rack, thereby one driven gear is driven to rotate by the first traversing rack, as the two driven gears are meshed, the two driven shafts reversely rotate along with the same, the two external scrapers are driven to scrape scum into the slag discharge groove, the external scrapers rotate and simultaneously fit the whole water surface, the internal scrapers can slide in the external scrapers through the telescopic spring, the lifting water baffle is repeatedly moved up and down for a plurality of times, the scum flows back to the underground water circulation path through the active carbon adsorption block after the slag falls into the slag discharge groove, and is discharged through the air suction hole on the second guide frame along with the flowing through the exhaust gas, after the scum is repeatedly scraped, the scum continuously moves upwards, the water level is larger than the water level, the scum is repeatedly moved down along with the water level, and reaches the appointed water level when the water level is repeatedly moved down, the equipment is triggered and reaches the appointed position.

The invention has the beneficial effects that:

1. through the scraper blade subassembly that sets up, drive wherein driven gear rotates by sideslip subassembly, because two driven gears meshing, two driven shafts reverse rotation thereupon, drive two external scrapers and scrape the dross into the sediment groove, external scraper blade pivoted is in the same place whole surface of water, and built-in scraper blade can slide in external scraper blade through the telescopic spring, reciprocates the lift breakwater repeatedly, carries out the effect of in time clearing up the dross, helps maintaining processing apparatus's long-term steady operation, reaches extension equipment life and reduces the effect of environmental risk.

2. Through lifting subassembly and the inlet and exhaust subassembly that set up, reach the equipment triggering of a certain amount when retaining, air-blower and suction fan move simultaneously, air-blower output compressed air reachs porous exhaust frame through the blast pipe, discharge a large amount of tiny bubbles by porous exhaust frame, carry out sewage treatment through the air supporting decontamination principle, and form the dross at the surface water layer, form waste gas in the upper strata of treating the well, waste gas is discharged into the suction fan through the suction inlet by the suction pipe and is collected the processing, a period servo motor operation after the air-blower is blown by the air, servo motor's output gear drives the lift breakwater through the threaded rod and moves up, equipment operating efficiency is improved, ensure that it works under the best state, reduce manual intervention simultaneously, alleviate operating personnel's burden, reach the effect that improves equipment stability and reliability and reduce the energy consumption.

3. Through the change subassembly that sets up, the dross falls into the sediment well through the sediment groove and is adsorbed by the active carbon adsorption piece, and unnecessary water flows back to on the groundwater flow path from filtering the return plate, and the waste gas that flows along with the dross is discharged by the induced draft hole on the second leading truck, when needs change active carbon adsorption piece, manually operation capstan winch, outside pulling out the well with the crane through the couple, put back in the sediment well after changing the active carbon adsorption piece again, play the effect that keeps the stable operation of system.

Drawings

FIG. 1 is a front elevational view of the body structure of the present invention;

FIG. 2 is a schematic diagram of the main structure of the present invention;

FIG. 3 is a top view of a treatment well structure according to the present invention;

FIG. 4 is a schematic diagram of the structure of the slag discharging groove of the present invention;

FIG. 5 is a schematic view showing the structure of the scum removing mechanism of the present invention;

FIG. 6 is a schematic view of a portion of the structure of the buoyancy can according to the present invention;

FIG. 7 is a schematic view of the enlarged portion of FIG. 6A according to the present invention;

FIG. 8 is a schematic cross-sectional view of the structure of the squeegee assembly of the present invention;

FIG. 9 is a schematic view of the squeegee assembly of the present invention in different states;

FIG. 10 is a schematic view of a portion of the structure of the replacement assembly of the present invention;

FIG. 11 is a schematic view of a part of the structure of the air intake and exhaust assembly of the present invention.

In the figure:

1. Treatment well, 11, first guide frame, 12, limiting plate, 13, sediment filter cartridge, 2, deslagging well, 21, second guide frame, 22, deslagging groove, 23, filtering reflux plate, 3, replacement component, 31, winch, 32, hook, 33, lifting frame, 34, active carbon adsorption block, 4, air inlet and exhaust component, 41, blower, 42, blast pipeline, 43, porous exhaust frame, 44, suction fan, 45, suction pipeline, 46, suction hole, 5, lifting component, 51, servo motor, 52, threaded rod, 53, lifting water baffle, 54, driving rack, 6, scum cleaning mechanism, 61, buoyancy barrel, 62, traversing component, 621, traversing column, 622, first traversing rack, 623, second traversing rack, 63, scraper component, 631, driven gear, 632, driven shaft, 633, external scraper, 634, telescopic spring, 635, built-in scraper, 64, driving gear.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Embodiment 1, refer to fig. 1-11, provide a shallow groundwater pollution treatment device, including ground, set up in the inside treatment well 1 of ground, set up in the sediment well 2 of treatment well 1 one side, set up in the lifting unit 5 of treatment well 1 top, set up in the change subassembly 3 of sediment well 2 top, set up in the inlet and outlet subassembly 4 of treatment well 1 and sediment well 2 top, and set up in the inside dross removal mechanism 6 of treatment well 1, the inner wall fixed mounting of treatment well 1 has limiting plate 12 and two symmetrically set up first leading truck 11, the bottom fixed mounting of treatment well 1 has silt cartridge filter 13, treatment well 1, set up the sediment groove 22 between sediment well 2 and the limiting plate 12, dross removal mechanism 6 includes the buoyancy bucket 61 of sliding connection in limiting plate 12 inner wall, the inside of buoyancy bucket 61 is provided with sideslip subassembly 62 and scraper blade subassembly 63.

Referring to fig. 8, the scraper assembly 63 includes two driven shafts 632 rotatably connected to the inner wall of the buoyancy barrel 61, the top portions of the two driven shafts 632 are fixedly connected with driven gears 631, the two driven gears 631 are engaged, the outer walls of the two driven shafts 632 are fixedly connected with external scrapers 633, the two external scrapers 633 are disposed at the bottom of the buoyancy barrel 61, the inner wall of the external scrapers 633 is slidably connected with an internal scraper 635, and a telescopic spring 634 is fixedly connected between the outer wall of the internal scraper 635 and the inner wall of the external scraper 633.

Specifically, shallow groundwater is located between ground and upper water-resisting layer, the flow direction is from top to bottom, receive nature and artificial influence, easy ponding department sets up between upper and lower stream and administers well 1, it sets up sediment well 2 to administer well 1 upstream department, and at ground installation equipment, administer well 1 upper strata is the sealing layer, the lower floor is silt cartridge 13, administer and install sediment groove 22 between well 1 and the sediment well 2, two driven shafts 632 symmetry set up in buoyancy barrel 61 inside, two driven gear 631 mesh, thereby two external scrapers 633 are the reverse rotation, the pivoted route of two external scrapers 633 forms a circular, can strike off the dross on surface of water surface layer.

Through the scraper assembly 63 that sets up, drive wherein driven gear 631 rotates by sideslip subassembly 62, because two driven gears 631 mesh, two driven shafts 632 reverse rotation thereupon, drive two external scrapers 633 scrape the dross into slag groove 22 in, external scraper 633 pivoted is the whole surface of water of agreeing simultaneously, built-in scraper 635 can slide in external scraper 633 through telescopic spring 634, repeatedly reciprocate and go up and down to manger plate 53, scrape the foam many times, play the effect of in time clearing up the dross, help maintaining processing apparatus's long-term steady operation, reach extension equipment life and reduce environmental risk's effect.

Referring to fig. 7-9, the traversing assembly 62 includes a traversing column 621 slidably connected to an inner wall of the buoyancy tank 61, a first traversing rack 622 is fixedly connected to an end of the traversing column 621 close to the driven shaft 632, the first traversing rack 622 is meshed with one of the driven gears 631, a second traversing rack 623 is fixedly connected to an end of the traversing column 621 far from the driven shaft 632, a driving gear 64 is rotatably connected to the inner wall of the buoyancy tank 61, and the driving gear 64 is meshed with the second traversing rack 623.

Through sideslip subassembly 62 and the drive gear 64 that set up, lifting unit 5 is triggered the operation back, and drive gear 64 rotates and drives sideslip post 621 through second sideslip rack 623 and sideslip to scrape the foam operation by first sideslip rack 622 drive scraper assembly 63, play transmission power and repetitive motion's effect.

Referring to fig. 6 to 7, the lifting assembly 5 includes a lifting water baffle 53 slidably connected between the two first guide frames 11, a driving rack 54 is fixedly connected to an inner wall of the lifting water baffle 53, when the lifting water baffle 53 moves, the driving rack 54 on the lifting water baffle 53 is meshed with a driving gear 64, the lifting assembly 5 further includes a servo motor 51 installed on the ground, an output gear of the servo motor 51 is meshed with a threaded rod 52, and an outer wall of the threaded rod 52 is in threaded connection with an inner wall of the lifting water baffle 53.

Specifically, the driving rack 54 disposed on the lifting water baffle 53 can support the driven shaft 632 to rotate for half a turn, and the two external scrapers 633 can be driven to scrape foam back and forth by the up-and-down movement of the driving rack 54, and the up-and-down movement of the lifting water baffle 53 can be set, so that manual intervention is reduced.

After the trigger equipment operates, a period of time is passed through the operation of the servo motor 51, the output gear of the servo motor 51 drives the lifting water baffle 53 to move upwards through the threaded rod 52, and when the driving rack 54 on the lifting water baffle 53 contacts the driving gear 64, the transverse moving assembly 62 drives the scraper assembly 63 to perform the foam scraping operation, so that the effect of providing power is achieved.

Referring to fig. 10-11, the inner wall of the slag well 2 is fixedly connected with two second guide frames 21 symmetrically arranged, the bottom of the slag well 2 is fixedly connected with a filtering reflux plate 23, the replacement assembly 3 comprises a winch 31 fixedly installed on the ground, the output end of the winch 31 is fixedly connected with a hook 32, a lifting frame 33 is fixedly installed below the hook 32, an activated carbon adsorption block 34 is installed on the inner wall of the lifting frame 33, the activated carbon adsorption block 34 is arranged between the slag discharging groove 22 and the filtering reflux plate 23, the air inlet and outlet assembly 4 comprises an air blower 41 and an air suction fan 44 fixedly installed on the ground, the outer wall of the air blower 41 is fixedly connected with an air blowing pipeline 42, the tail end of the air blowing pipeline 42 is fixedly connected with a porous air outlet frame 43 through penetrating through one of the first guide frames 11, the outer wall of the air suction fan 44 is fixedly connected with an air suction pipeline 45, and the two tail ends of the air suction pipeline 45 are respectively communicated with the other first guide frames 11 and one of the second guide frames 21, and a plurality of air suction holes 46 are formed in the inner walls of the corresponding first guide frames 11 and the second guide frames 21.

Through the replacement assembly 3 and the air intake and exhaust assembly 4, the buoyancy barrel 61 triggers the equipment to operate when reaching the designated position of the limiting plate 12 along with the rise of the water level, the air blower 41 and the suction fan 44 operate simultaneously, compressed air output by the air blower 41 reaches the porous exhaust frame 43 through the air blowing pipeline 42, a large amount of tiny bubbles are discharged by the porous exhaust frame 43, sewage treatment is carried out through the air floatation decontamination principle, scum is formed on the surface water layer, waste gas is formed on the upper layer of the treatment well 1, the waste gas is discharged into the suction fan 44 through the air suction pipeline 45 for collection treatment, then is cleaned by the scum cleaning mechanism 6, scum falls into the scum well 2 through the scum groove 22 and is adsorbed by the activated carbon adsorption block 34, redundant water flows back to the underground water circulation path from the filtering reflux plate 23, and waste gas flowing along with the scum flows out through the air suction hole 46 on the second guide frame 21, when the activated carbon adsorption block 34 needs to be replaced, the winch 31 is manually operated, the lifting frame 33 is pulled out of the well through the hook 32, the activated carbon adsorption block 34 is replaced, and the effect of air floatation decontamination is achieved.

In the use process, in an initial state, the lifting water baffle 53 is positioned at the bottommost part of the treatment well 1, groundwater is blocked by the lifting water baffle 53 for water storage after being preliminarily filtered by the sediment filter cartridge 13, the buoyancy barrel 61 triggers equipment operation when reaching the designated position of the limiting plate 12 along with the water level, the air inlet and outlet assembly 4 performs air inlet and outlet treatment, the air blower 41 blows air, the servo motor 51 operates for a period of time, the output gear of the servo motor 51 drives the lifting water baffle 53 to move upwards through the threaded rod 52, when the driving rack 54 on the lifting water baffle 53 contacts the driving gear 64, the second traversing rack 623 drives the traversing column 621 to traverse, so that the first traversing rack 622 drives one of the driven gears 631 to rotate, and as the two driven gears 631 are meshed, the two driven shafts 632 reversely rotate along with the two driven gears 631, the two external scrapers 633 are driven to scrape the scum into the slag discharging groove 22, the external scrapers 633 rotate and simultaneously fit the whole water surface, the internal scrapers 635 slide in the external scrapers 633 through the telescopic springs 634, the lifting water baffle 53 repeatedly moves up and down to scrape the scum for a plurality of times, the scum falls into the slag discharging well 2 through the slag discharging groove 22 and is adsorbed by the activated carbon adsorption block 34, the redundant water flows back to the groundwater flow path from the filtering reflux plate 23, the waste gas flowing along with the scum is discharged through the air suction holes 46 on the second guide frame 21, the lifting water baffle 53 continuously moves up after a plurality of times of scum scraping, the water yield is larger than the water inflow, the water level moves down, and when the buoyancy barrel 61 descends along with the water level to reach the designated position of the limiting plate 12, the device is triggered to stop running, and the operation is repeated in sequence.

Embodiment 2, referring to fig. 1 to 11, provides a treatment method of a treatment apparatus for shallow groundwater pollution, which comprises the following steps:

Step one, groundwater is stored in a sediment filter cartridge 13;

step two, the buoyancy barrel 61 triggers the equipment to operate along with the rise of the water level;

step three, the air inlet and outlet assembly 4 operates to perform air exhaust and air suction;

step four, the servo motor 51 operates to drive the lifting water baffle 53 to move up and down;

Step five, driving racks 54 on the lifting water baffle 53 drive the transverse moving columns 621 to transversely move;

step six, the transverse moving column 621 drives the scraping plate assembly 63 to scrape the scum into the slag discharging groove 22;

step seven, repeating the step four to the step six until the water level moves downwards;

Step eight, closing the equipment, resetting the lifting water baffle 53 for water storage, and repeating the steps one to seven;

and step nine, the replacement assembly 3 is operated regularly, and the activated carbon adsorption block 34 is replaced manually.

The working principle of the invention is as follows:

in an initial state, the lifting water baffle 53 is positioned at the bottommost part of the treatment well 1, underground water is blocked by the lifting water baffle 53 for water storage after being preliminarily filtered by the sediment filter cartridge 13, and the buoyancy barrel 61 triggers equipment to operate when reaching the designated position of the limiting plate 12 along with the rising of the water level.

The blower 41 and the suction fan 44 are operated simultaneously, compressed air output by the blower 41 reaches the porous exhaust frame 43 through the blower pipe 42, a large amount of tiny bubbles are discharged from the porous exhaust frame 43, sewage treatment is carried out through an air floatation decontamination principle, scum is formed on the surface water layer, waste gas is formed on the upper layer of the treatment well 1, and the waste gas is discharged into the suction fan 44 through the suction hole 46 by the suction pipe 45 for collection treatment.

After the blower 41 blows air, the servo motor 51 operates for a period of time, the output gear of the servo motor 51 drives the lifting water baffle 53 to move upwards through the threaded rod 52, when the driving rack 54 on the lifting water baffle 53 contacts the driving gear 64, the second traversing rack 623 drives the traversing column 621 to traverse, so that the first traversing rack 622 drives one of the driven gears 631 to rotate, the two driven gears 631 are meshed, the two driven shafts 632 rotate reversely, the two external scrapers 633 are driven to scrape scum into the slag discharge groove 22, the external scrapers 633 rotate and simultaneously engage the whole water surface, the internal scrapers 635 slide in the external scrapers 633 through the telescopic springs 634, and the lifting water baffle 53 is repeatedly moved up and down to scrape scum for a plurality of times.

The scum falls into the slag well 2 through the slag discharge groove 22 and is adsorbed by the activated carbon adsorption block 34, the surplus water flows back to the groundwater flow path from the filtering reflux plate 23, and the exhaust gas flowing along with the scum is discharged through the air suction hole 46 on the second guide frame 21.

After a plurality of foam scraping, the lifting water baffle 53 continues to move upwards, the water yield is larger than the water inflow, the water level moves downwards, and when the buoyancy barrel 61 descends along with the water level to reach the designated position of the limiting plate 12, the equipment is triggered to stop running, and the operation is repeated in sequence.

When the activated carbon adsorption block 34 needs to be replaced, the winch 31 is manually operated, the lifting frame 33 is pulled out of the well through the hook 32, and the activated carbon adsorption block 34 is replaced and then placed back into the slag discharging well 2.

It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims (3)

1. The utility model provides a shallow groundwater pollution is with administering device, including ground, set up in the inside treatment well (1) of ground, set up in sediment well (2) of treatment well (1) one side, set up in lifting unit (5) of treatment well (1) top, set up in change subassembly (3) of sediment well (2) top, set up in the inlet and outlet subassembly (4) of treatment well (1) and sediment well (2) top, and set up in the inside dross removal mechanism (6) of treatment well (1), wherein, the inner wall fixed mounting of treatment well (1) has limiting plate (12) and two symmetrically set up first leading truck (11), the bottom fixed mounting of treatment well (1) has cartridge filter (13), offer sediment groove (22) between treatment well (1), sediment well (2) and limiting plate (12), buoyancy barrel (61) of buoyancy barrel (61) including sliding connection in limiting plate (12) inner wall, the inside of buoyancy barrel (61) is provided with sideslip subassembly (62) and scraper blade subassembly (63);

The scraper assembly (63) comprises two driven shafts (632) which are rotatably connected to the inner wall of the buoyancy barrel (61), driven gears (631) are fixedly connected to the tops of the two driven shafts (632), the two driven gears (631) are in a meshed state, external scrapers (633) are fixedly connected to the outer walls of the two driven shafts (632), the two external scrapers (633) are arranged at the bottom of the buoyancy barrel (61), an internal scraper (635) is slidably connected to the inner wall of the external scraper (633), and a telescopic spring (634) is fixedly connected between the outer wall of the internal scraper (635) and the inner wall of the external scraper (633);

The transverse moving assembly (62) comprises a transverse moving column (621) which is connected to the inner wall of the buoyancy barrel (61) in a sliding manner, a first transverse moving rack (622) is fixedly connected to one end, close to the driven shaft (632), of the transverse moving column (621), the first transverse moving rack (622) is meshed with one of the driven gears (631), and a second transverse moving rack (623) is fixedly connected to one end, far away from the driven shaft (632), of the transverse moving column (621);

the inner wall of the buoyancy barrel (61) is rotatably connected with a driving gear (64), and the driving gear (64) is meshed with a second transverse moving rack (623);

The lifting assembly (5) comprises a lifting water baffle (53) which is connected between the two first guide frames (11) in a sliding manner, a driving rack (54) is fixedly connected to the inner wall of the lifting water baffle (53), and when the lifting water baffle (53) moves, the driving rack (54) on the lifting water baffle (53) is meshed with the driving gear (64);

The lifting assembly (5) further comprises a servo motor (51) arranged on the ground, a threaded rod (52) is meshed with an output gear of the servo motor (51), and the outer wall of the threaded rod (52) is in threaded connection with the inner wall of the lifting water baffle (53);

The inner wall of the slag discharging well (2) is fixedly connected with two second guide frames (21) which are symmetrically arranged, and the bottom of the slag discharging well (2) is fixedly connected with a filtering reflux plate (23);

The replacing assembly (3) comprises a winch (31) fixedly installed on the ground, the output end of the winch (31) is fixedly connected with a hook (32), a lifting frame (33) is fixedly installed below the hook (32), an activated carbon adsorption block (34) is installed on the inner wall of the lifting frame (33), and the activated carbon adsorption block (34) is arranged between the slag discharge groove (22) and the filtering reflux plate (23);

The buoyancy barrel (61) triggers the equipment to operate along with the rising of the water level.

2. The shallow groundwater pollution treatment device according to claim 1, wherein the air inlet and outlet assembly (4) comprises an air blower (41) and an air suction fan (44) which are fixedly installed on the ground, an air blowing pipeline (42) is fixedly connected to the outer wall of the air blower (41), a porous air exhaust frame (43) is fixedly connected to the tail end of the air blowing pipeline (42) by penetrating through one of the first guide frames (11), an air suction pipeline (45) is fixedly connected to the outer wall of the air suction fan (44), two tail ends of the air suction pipeline (45) are respectively communicated with the other first guide frame (11) and one of the second guide frames (21), and a plurality of air suction holes (46) are formed in the inner walls of the corresponding first guide frames (11) and the second guide frames (21).

3. A treatment method of a treatment device for shallow groundwater pollution, which adopts the treatment device for shallow groundwater pollution according to any one of claims 1-2, and is characterized in that: comprises the following steps:

step one, groundwater is stored in a sediment filter cartridge (13);

Step two, the buoyancy barrel (61) operates along with the water level rising triggering equipment;

step three, the air inlet and outlet assembly (4) operates to exhaust and suck air;

Step four, a servo motor (51) operates to drive a lifting water baffle (53) to move up and down;

step five, a driving rack (54) on the lifting water baffle (53) drives the transverse moving column (621) to transversely move;

Step six, the transverse moving column (621) drives the scraping plate component (63) to scrape the scum into the slag discharging groove (22);

step seven, repeating the step four to the step six until the water level moves downwards;

Turning off the equipment, resetting the lifting water baffle (53) to store water, and repeating the steps one to seven;

and step nine, operating the replacement assembly (3) at regular time and manually replacing the activated carbon adsorption block (34).