CN115572015A - Extraction type treatment device and method for removing insoluble organic pollutants in underground water - Google Patents
Extraction type treatment device and method for removing insoluble organic pollutants in underground water Download PDFInfo
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- CN115572015A CN115572015A CN202211327346.3A CN202211327346A CN115572015A CN 115572015 A CN115572015 A CN 115572015A CN 202211327346 A CN202211327346 A CN 202211327346A CN 115572015 A CN115572015 A CN 115572015A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 239000002957 persistent organic pollutant Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000000605 extraction Methods 0.000 title description 9
- 238000004062 sedimentation Methods 0.000 claims abstract description 72
- 239000010802 sludge Substances 0.000 claims abstract description 55
- 238000003756 stirring Methods 0.000 claims abstract description 54
- 230000001112 coagulating effect Effects 0.000 claims abstract description 50
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000003814 drug Substances 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 230000015271 coagulation Effects 0.000 claims description 19
- 238000005345 coagulation Methods 0.000 claims description 19
- 239000003673 groundwater Substances 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 8
- 238000011001 backwashing Methods 0.000 claims description 7
- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- 239000002244 precipitate Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000012377 drug delivery Methods 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 5
- 239000008394 flocculating agent Substances 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims 1
- 238000009298 carbon filtering Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000701 coagulant Substances 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000005067 remediation Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a draw-out type treatment device and a method for removing insoluble organic pollutants in underground water, and the draw-out type treatment device comprises an adjusting tank, a coagulating sedimentation tank, a sludge concentration tank, a screw stacking machine, a biological denitrification tank and an activated carbon filtering tank, wherein a rotating shaft is arranged in the adjusting tank, a plurality of driving blades are arranged on the rotating shaft, a first belt pulley is arranged on the rotating shaft, a gear mechanism is arranged in the coagulating sedimentation tank, the gear mechanism comprises a gear ring, a first gear, at least one second gear and a connecting rod, the first gear is provided with a first stirring roller, the second gear is provided with a second stirring roller, a medicine storage tank is arranged above the coagulating sedimentation tank, and the medicine storage tank is connected with the coagulating sedimentation tank through a medicine conveying pipe.
Description
Technical Field
The invention relates to the technical field of groundwater remediation, in particular to a draw-out type treatment device and method for removing insoluble organic pollutants in groundwater.
Background
The causes of groundwater pollution are mainly: industrial wastewater is directly discharged underground, contaminated surface water invades into underground aquifers, human and animal excreta or water contaminated by excessive use of pesticides permeates underground, and the like, and as a result of contamination, the contents of harmful components such as phenol, chromium, mercury, arsenic, radioactive substances, bacteria, organic substances, and the like in underground water increase, and contaminated underground water is harmful to human health and industrial and agricultural production.
The extraction treatment technology is widely applied in the world, is one of the most common groundwater remediation technologies, and is the earliest groundwater remediation technology, the technical principle is simple and mature, the polluted groundwater is pumped to the ground through a water pump, then pollutants in the groundwater are removed through treatment facilities and equipment, the polluted groundwater is discharged into a corresponding pipe network or a water body after reaching a specified discharge standard, or the polluted groundwater is directly injected into the underground environment, so that the groundwater is purified, the extraction treatment has the advantages of simple technology, can be combined with engineering precipitation, and is suitable for the pollution purification treatment of most of the difficult groundwater.
Disclosure of Invention
In order to solve the technical problems, the invention provides an extraction type treatment device and method for removing insoluble organic pollutants in underground water.
The technical scheme of the invention is as follows: the draw-out type treatment device for removing insoluble organic pollutants in underground water comprises an adjusting tank, a coagulating sedimentation tank, a sludge concentration tank, a screw stacking machine, a biological denitrification tank and an active carbon filter tank, wherein the adjusting tank is arranged on the ground through a support, one side of the adjusting tank is provided with a water inlet pipe, a water suction pump is arranged on the water inlet pipe, the other side of the adjusting tank is connected with the coagulating sedimentation tank through a drain pipe, the coagulating sedimentation tank is connected with the sludge concentration tank through a drain pipe, the top surface of the sludge sedimentation tank is provided with a support for supporting the coagulating sedimentation tank, one side of the sludge sedimentation tank is connected with the screw stacking machine through a sludge discharge pipe, the other side of the sludge sedimentation tank is sequentially connected with the biological denitrification tank and the active carbon filter tank through drain pipes, one side of the active carbon filter tank is provided with a water outlet pipe, and valves are arranged on the drain pipes;
a rotating shaft which penetrates through the top surface of the regulating tank and is rotatably connected with the top surface of the regulating tank is arranged in the regulating tank along the vertical direction, a plurality of driving blades are arranged on the rotating shaft in the regulating tank, and a first belt pulley is arranged on the rotating shaft outside the regulating tank;
the coagulating sedimentation tank is internally provided with a gear mechanism, the gear mechanism comprises a gear ring, a first gear, at least one second gear and a connecting rod, the gear ring is fixedly connected with the inner wall of the coagulating sedimentation tank, the first gear is positioned at the center of the gear ring, the second gear is arranged between the first gear and the gear ring and is respectively meshed with the first gear and the gear ring, the center of circle of the first gear is fixedly provided with a first stirring roller which penetrates through the top surface of the coagulating sedimentation tank and is rotatably connected with the top surface of the coagulating sedimentation tank along the vertical direction, the center of circle of the second gear is fixedly provided with a second stirring roller along the vertical direction, the connecting rod is rotatably sleeved on the first stirring roller and is rotatably connected with the second gear, the connecting rod is in sliding contact with the upper surface of the first gear, the top end of the first stirring roller is provided with a second belt pulley, and the second belt pulley is in transmission connection with the first belt pulley;
and a medicine storage tank is arranged above the coagulating sedimentation tank and is connected with the coagulating sedimentation tank through a medicine conveying pipe.
Description of the invention: through the aforesaid setting, set up the pivot in the equalizing basin, set up drive vane in the pivot, not only can reduce and alleviate the required space of rivers impact force, thereby can utilize the impact force of rivers to drive first belt pulley and make first belt pulley drive the second belt pulley and rotate, the second belt pulley then drives first stirring roller and rotates, through setting up gear mechanism can the second stirring roller revolve along the orbit of ring gear under the condition of rotation, the mixed effect that has improved groundwater and coagulated the medicament makes water and flocculation medicament carry out intensive mixing, the flocculation effect of water has been improved.
Further, a plurality of stirring blades are arranged on the first stirring roller and the second stirring roller.
Description of the invention: through the arrangement, the stirring effect of the first stirring roller and the second stirring roller can be improved, and the mixing efficiency of the water body and the coagulation agent is improved.
Further, be equipped with the baffle in the sludge thickening tank, the baffle is 20 jiaos of settings with the horizontal direction, just be equipped with a plurality of filtration pores that are used for the water to pass through on the baffle, be equipped with the slide rail in the sludge thickening tank, the slide rail is located the baffle top, and slide rail and baffle parallel arrangement, be equipped with electronic mud scraper on the slide rail.
Description of the drawings: through the aforesaid setting, can make mud flow into to folding the spiral shell machine along the baffle in to can make the water flow out to carrying out biological method denitrification treatment in the biological denitrification pond along the sieve mesh on the baffle, set up electronic mud version of scraping and not only can push mud to folding the spiral shell machine in, but also can play the clearance effect to the baffle, avoided mud too much to lead to the problem of sieve mesh jam.
Further, the biological denitrification pond is provided with the heating wire, the heating wire with locate the controller electric connection on the biological denitrification pond outer wall.
Description of the drawings: the optimal temperature for biological denitrification treatment by nitrifying bacteria is about 30 ℃, when the temperature is lower than 10 ℃, the biological denitrification treatment speed is obviously reduced, and when the temperature is as low as 3 ℃, the biological denitrification treatment effect is stopped.
Furthermore, an ultraviolet disinfection lamp is arranged in the activated carbon filter tank.
Description of the drawings: through the arrangement, the water in the activated carbon filter tank can be sterilized, and the purification efficiency of underground water is improved.
Furthermore, one side of the activated carbon filter tank is connected with a clean water tank through a water outlet pipe, and a back washing pump is arranged on the water outlet pipe.
Description of the drawings: through the arrangement, the purified water body can be collected, and the back washing pump is arranged to intermittently back wash the water outlet pipe, so that the problem of blockage of the water outlet pipe is avoided.
Further, it is equipped with the water strainer to fold spiral shell machine, the water strainer pass through the connecting pipe with the equalizing basin is connected, be equipped with the suction pump on the connecting pipe, the suction pump is located the equalizing basin top surface.
Description of the invention: through the arrangement, the water body seeped out after the screw stacking machine extrudes sludge can be collected for secondary purification, and the waste of the water body is avoided.
Furthermore, the upper end of the rotating shaft penetrates through the first belt pulley and is connected with an output shaft of a standby motor arranged on the first belt pulley.
Description of the drawings: through the setting, when the groundwater velocity of flow is slower, the produced kinetic energy of rivers impact can't drive the pivot and rotate, just can open stand-by motor this moment and drive the pivot to drive first stirring roller, second stirring roller and stir the coagulating sedimentation tank.
Furthermore, a medicine feeding mechanism is arranged above the coagulating sedimentation tank and comprises a switch and a driving assembly, the medicine conveying pipe is provided with a through hole, the switch penetrates through the through hole and is connected with the medicine conveying pipe in a sliding and sealing mode, an arc-shaped pressing plate is fixedly arranged at one end of the switch, a fixing plate is arranged on the top surface of the coagulating sedimentation tank, the other end of the switch is connected with the fixing plate through a spring, and an opening for liquid medicine to pass through is formed in the switch;
the driving assembly comprises a first driving disc, a second driving disc and a driven wheel, the first driving disc and the second driving disc are sequentially fixedly sleeved on the first stirring roller from top to bottom, a plurality of strip-shaped sliding grooves are formed in the driven wheel, a plurality of first arc-shaped grooves are formed in the driven wheel, the first driving disc is provided with a second arc-shaped sliding groove used for enabling the driven wheel to pass through, and a shaft pin matched with the strip-shaped sliding grooves and used for enabling the driven wheel to rotate is arranged at the position, corresponding to the second arc-shaped sliding groove, of the second driving disc.
Description of the drawings: through the setting, the rotation of usable first stirring roller drives the mechanism of giving medicine to make the flocculation medicament intermittent type nature in the storage tank flow in the coagulating sedimentation pond, saved the use cost of coagulating medicament.
The method for removing the insoluble organic pollutants in the underground water by using the extraction type treatment device comprises the following steps:
s1, pumping underground water into a regulating reservoir, opening a valve of a drain pipe between the regulating reservoir and a coagulation reservoir, and enabling the underground water to flow into the coagulation sedimentation reservoir along the drain pipe and drive a rotating shaft to rotate;
s2, adding a flocculating agent into the coagulating sedimentation tank, and driving the first stirring roller and the second stirring roller to rotate around the gear ring and rotate to mix and stir the water body and the medicament;
s3, opening a valve of a drain pipe between the coagulation sedimentation tank and the sludge concentration tank, opening a valve of the drain pipe between the sludge concentration tank and the biological denitrification tank, opening a switch of the electric sludge scraping plate, enabling the treated water to flow out through a filter hole on the baffle plate and flow into the biological denitrification tank through the drain pipe, and enabling the precipitate to enter the spiral shell stacking machine along the baffle plate under the action of the electric sludge scraping plate;
s4, opening a switch of an electric heating wire of the biological denitrification tank to heat the biological denitrification tank, denitrifying the water body in the biological denitrification tank, simultaneously opening a switch of a screw folding machine to extrude the precipitate, discharging the extruded water body into a water filtering tank by the screw folding machine, discharging and collecting the compressed blocky precipitate, and opening a water pump connected with the water filtering tank to pump the water body in the water filtering tank into a regulating tank for secondary treatment;
and S5, after the water body is treated in the biological denitrification tank for a period of time, turning on an ultraviolet lamp in the activated carbon filtering tank, turning on a valve of a drain pipe between the biological denitrification tank and the activated carbon filtering tank, discharging the water body into the activated carbon filtering tank for filtering, discharging the filtered water body into a clear water tank through a water outlet pipe, and turning on a back washing pump to back wash the water outlet pipe at intervals to prevent the water outlet pipe from being blocked.
The invention has the beneficial effects that:
(1) According to the extraction-type treatment device, the rotating shaft is arranged in the regulating reservoir, the driving blades are arranged on the rotating shaft, so that the space required by water body buffering is reduced, the impact force of water flow can be utilized to drive the stirring rod in the coagulating sedimentation tank to stir underground water and coagulating agent, the second stirring roller can revolve along the track of the gear ring under the condition of autorotation through the arrangement of the gear mechanism, and the mixing effect of the underground water and the coagulating agent is improved.
(2) According to the extraction-type treatment device, the first stirring roller is used for driving the medicine feeding mechanism to control the flocculating agent to be intermittently fed into the coagulating sedimentation tank, so that the use cost of the flocculating agent is reduced.
Drawings
FIG. 1 is a schematic view of the entire construction of a drawout type processing apparatus according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the configuration of the equalizing basin of the drawout processing apparatus of the present invention;
FIG. 3 is a schematic structural view of a coagulating sedimentation tank of the drawout type treating apparatus of the present invention;
FIG. 4 is a schematic view of a portion of the drawout processing apparatus of the present invention;
FIG. 5 is a schematic view showing the structure of a sludge thickener of the draw-out type treating apparatus according to the present invention;
FIG. 6 is a schematic view showing the overall construction of a draw-out type processing apparatus according to embodiment 2 of the present invention;
FIG. 7 is a schematic view showing a part of the configuration of a draw-out type processing apparatus according to embodiment 2 of the present invention;
FIG. 8 is a schematic structural view of a medicine dispensing mechanism of the draw-out type processing device in accordance with embodiment 2 of the present invention;
the device comprises a regulating tank 1, a water inlet pipe 11, a rotating shaft 12, a first belt pulley 13, a coagulating sedimentation tank 2, a gear mechanism 21, a gear ring 211, a first gear 212, a first gear 213, a second gear 214, a connecting rod 22, a first stirring roller 23, a second stirring roller 24, a second belt pulley 25, a medicine storage tank 26, a medicine conveying pipe 27, a medicine feeding mechanism 271, a switch 2711, an arc-shaped pressing plate 272, a driving component 2721, a first driving disc 2722, a second driving disc 2723, a driven wheel 2724, a shaft pin 28, a 3-sludge concentration tank 31, a baffle plate 32, a sliding rail 33, an electric sludge scraping plate 34, a sludge discharge pipe 34, a 4-stacking screw machine, a water filtering tank 41, a biological denitrification tank 5, an activated carbon filtering tank 6, an water outlet pipe 61, a water suction pump 7, a water suction pump 8 and a water cleaning tank 9.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments thereof for better understanding the advantages of the invention.
Example 1
As shown in fig. 1 and 2, the draw-out type treatment device for removing insoluble organic pollutants in underground water comprises an adjusting tank 1, a coagulating sedimentation tank 2, a sludge concentration tank 3, a snail stacking machine 4, a biological denitrification tank 5 and an active carbon filter tank 6, wherein the adjusting tank 1 is arranged on the ground through a support, a water inlet pipe 11 is arranged on the right side of the adjusting tank 1, a water suction pump 7 is arranged on the water inlet pipe 11, the water suction pump 7 is a commercially available water suction pump, the left side of the adjusting tank 1 is connected with the coagulating sedimentation tank 2 through a drain pipe, the coagulating sedimentation tank 2 is connected with the sludge concentration tank 3 through a drain pipe, a support for supporting the coagulating sedimentation tank 2 is arranged on the top surface of the sludge sedimentation tank, the right side of the sludge sedimentation tank is connected with the snail stacking machine 4 through a sludge discharge pipe 34, the left side of the sludge sedimentation tank is sequentially connected with the biological denitrification tank 5 and the active carbon filter tank 6 through a drain pipe, the left side of the active carbon filter tank 6 is connected with a clear water tank 9 through a water outlet pipe 61, an ultraviolet disinfection lamp is arranged on the market, an ultraviolet disinfection lamp is arranged in the ultraviolet disinfection lamp, and the ultraviolet disinfection lamp is arranged on the market;
a rotating shaft 12 which penetrates through the top surface of the adjusting tank 1 and is rotatably connected with the top surface of the adjusting tank 1 is arranged in the adjusting tank 1 along the vertical direction, eight driving blades are arranged on the rotating shaft 12 positioned in the adjusting tank 1, a first belt pulley 13 is arranged on the rotating shaft 12 positioned outside the adjusting tank 1, and the upper end of the rotating shaft 12 penetrates through the first belt pulley 13 and is connected with an output shaft of a standby motor arranged on the first belt pulley 13;
the spiral shell stacking machine 4 is provided with a water filtering tank 41, the water filtering tank 41 is connected with the adjusting tank 1 through a connecting pipe, a water suction pump 7 is arranged on the connecting pipe, the water suction pump 7 is arranged on the top surface of the adjusting tank 1, and the water suction pump 7 is a commercially available water suction pump;
as shown in fig. 1, 3, and 4, a gear mechanism 21 is arranged in the coagulation sedimentation tank 2, the gear mechanism 21 includes a gear ring 211, a first gear 212, two second gears 213, and a connecting rod 214, the gear ring 211 is fixedly connected to the inner wall of the coagulation sedimentation tank 2, the first gear 212 is located at the center of the gear ring 211, the second gear 213 is arranged between the first gear 212 and the gear ring 211 and respectively engaged with the first gear 212 and the gear ring 211, a circle center of the first gear 212 is vertically and fixedly provided with a first stirring roller 22 penetrating through the top surface of the coagulation sedimentation tank 2 and rotatably connected to the top surface of the coagulation sedimentation tank 2, a circle center of the second gear 213 is vertically and fixedly provided with a second stirring roller 23, the first stirring roller 22 and the second stirring roller 23 are each provided with a plurality of stirring blades, the connecting rod 214 is rotatably sleeved on the first stirring roller 22, the connecting rod 214 is rotatably connected to the second gear 213, the connecting rod 214 is in sliding contact with the upper surface of the first gear 212, the top end of the first stirring roller 22 is provided with a second belt pulley 24, and the second belt pulley 24 is connected to the second belt pulley 13;
a medicine storage tank 25 is arranged above the coagulating sedimentation tank 2, and the medicine storage tank 25 is connected with the coagulating sedimentation tank 2 through a medicine conveying pipe 26;
as shown in fig. 5, a baffle 31 is arranged in the sludge concentrating tank 3, the baffle 31 is arranged at an angle of 20 degrees with the horizontal direction, a plurality of filter holes for water to pass through are formed in the baffle 31, a slide rail 32 is arranged in the sludge concentrating tank 3, the slide rail 32 is arranged above the baffle 31, the slide rail 32 is arranged in parallel with the baffle 31, an electric sludge scraper 33 is arranged on the slide rail 32, and the electric sludge scraper 33 is a commercially available electric sludge scraper.
The use method of the extraction type processing device comprises the following steps: the water suction pump 7 on the water inlet pipe 11 is opened, the underground water is pumped into the regulating reservoir 1, the water body washes the driving blades on the rotating shaft 12, the rotating shaft 12 starts to rotate under the driving of the water flow while the impact force of the underground water is reduced, the rotating shaft 12 drives the first belt pulley 13 to rotate, and when the kinetic energy generated by the water flow cannot drive the rotating shaft 12 to rotate due to too low flow rate of the water flow, the standby motor arranged on the first belt pulley 13 can be opened to drive the rotating shaft 12;
opening a valve on a drain pipe between the regulating tank 1 and the coagulating sedimentation tank 2, wherein water flows into the coagulating sedimentation tank 2 along the drain pipe, meanwhile, agents such as PAC (polyaluminium chloride), PAM (polyacrylamide) and the like in the drug storage tank 25 flow into the coagulating sedimentation tank 2 along the drug delivery pipe 26, a second belt pulley 24 arranged at the upper end of a first stirring roller 22 in the coagulating sedimentation tank 2 is driven by a first belt pulley 13 to rotate, the first stirring roller 22 is driven by the second belt pulley 24 to rotate, the first stirring roller 22 drives a first gear 212 to rotate, the first gear 212 drives two second gears 213 arranged at two sides of the first gear 213 to rotate along the track of a gear ring 211, and the two second gears 213 drive the second stirring roller 23 to rotate along the track of the gear ring 211 while rotating;
after the underground water reacts with the coagulating agent in the coagulating sedimentation tank 2 for a period of time, a valve on a drain pipe between the coagulating sedimentation tank 2 and the sludge concentration tank 3 is opened, the underground water drives precipitates to flow into the sludge concentration tank 3, sludge enters the spiral shell stacking machine 4 through a sludge discharge pipe 34 along a baffle plate 31 under the action of an electric sludge scraper 33, the underground water mixed with the sludge flows down along sieve holes on the baffle plate 31, the spiral shell stacking machine 4 is opened to extrude the sludge, the extruded sludge is discharged from an outlet of the spiral shell stacking machine 4 to be collected, filtered water after the sludge is extruded flows into a water filtering tank 41, and water in the water filtering tank 41 flows into the regulating tank 1 through a water suction pump 7 arranged on the top surface of the regulating tank 1 to be purified again;
opening a valve of a drain pipe between the sludge concentration tank 3 and the biological denitrification tank 5, enabling underground water to flow into the biological denitrification tank 5, controlling the temperature of an electric heating wire of the biological denitrification tank 5, controlling the temperature of the biological denitrification tank 5 to be about 30 ℃, and enabling the underground water to carry out denitrification treatment in the biological denitrification tank 5;
and (3) opening a valve of a drain pipe between the biological denitrification tank 5 and the activated carbon filter tank 6, draining the underground water into the activated carbon filter tank 6, simultaneously opening an ultraviolet disinfection lamp to filter and disinfect the underground water for the last time, discharging the filtered underground water into a clear water tank through a water outlet pipe 61 to be collected, and opening a back washing pump 8 at intervals to back wash the water outlet pipe 61.
Example 2
The embodiment is substantially the same as embodiment 1, and is different therefrom in that, as shown in fig. 6, 7, and 8, a medicine dispensing mechanism 27 is arranged above the coagulating sedimentation tank 2, the medicine dispensing mechanism 27 includes a switch 271 and a driving assembly 272, the medicine conveying pipe 26 is provided with a through hole, the switch 271 penetrates through the through hole and is in sliding sealing connection with the medicine conveying pipe 26, one end of the switch 271 is fixedly provided with an arc-shaped pressing plate 2711, the top surface of the coagulating sedimentation tank 2 is provided with a fixing plate 28, the other end of the switch 271 is connected with the fixing plate 28 through a spring, and an opening for passing liquid medicine is arranged on the switch 271;
the driving component 272 includes a first driving disk 2721, a second driving disk 2722 and a driven wheel 2723, the first driving disk 2721 and the second driving disk 2722 are fixedly sleeved on the first stirring roller 22 from top to bottom in sequence, six strip-shaped chutes are formed in the driven wheel 2723, a plurality of first arc-shaped grooves are formed in the driven wheel 2723, six second arc-shaped chutes for allowing the driven wheel 2723 to pass through are formed in the first driving disk 2721, and a shaft pin 2724 for allowing the driven wheel 2723 to rotate is arranged at a position corresponding to the second arc-shaped chute on the second driving disk 2722 and matched with the strip-shaped chutes.
The use method of the extraction type processing device comprises the following steps: the application method is basically the same as that of embodiment 1, except that when the first stirring roller 22 rotates and simultaneously drives the first driving disk 2721 and the second driving disk 2722 to rotate, when the pivot 2724 rotates into the strip-shaped chute of the driven wheel 2723, the first driving disk 2721 and the second driving disk 2722 drive the driven wheel 2723 to rotate, the driven wheel 2723 presses the arc-shaped pressing plate 2711, so that the switch 271 slides in the drug delivery pipe 26, the coagulating drug liquid flows into the coagulating sedimentation tank 2 along the through hole of the switch 271, when the driven wheel 2723 leaves the arc-shaped pressing plate 2711, the switch is reset by the action of the spring to block the drug delivery pipe 26, and after the pivot 2724 leaves the strip-shaped chute, the first driving disk 2721 drives the driven wheel 2723 to rotate along the second arc-shaped groove of the driven wheel 2723.
Example 3
The method for removing the insoluble organic pollutants in the underground water by using the extraction type treatment device comprises the following steps:
s1, pumping underground water into a regulating tank 1, opening a valve of a drain pipe between the regulating tank 1 and a coagulation tank, and enabling the underground water to flow into a coagulation sedimentation tank 2 along the drain pipe and drive a rotating shaft 12 to rotate;
s2, adding a flocculating agent into the coagulating sedimentation tank 2, and driving the first stirring roller 22 and the second stirring roller 23 to rotate around the gear ring 211 and rotate to mix and stir the water body and the medicament under the driving of the rotating shaft 12;
s3, opening a valve of a drain pipe between the coagulation sedimentation tank 2 and the sludge concentration tank 3, opening a valve of a drain pipe between the sludge concentration tank 3 and the biological denitrification tank 5, opening a switch 271 of the electric sludge scraping plate, enabling the treated water body to flow out through a filter hole in the baffle 31 and flow into the biological denitrification tank 5 through the drain pipe, and enabling sediments to enter the screw stacking machine 4 along the baffle 31 under the action of the electric sludge scraping plate 33;
s4, opening a switch 271 of a heating wire of the biological denitrification tank 5 to heat the biological denitrification tank 5, denitrifying the water body in the biological denitrification tank 5, simultaneously opening a switch 271 of a screw folding machine 4 to extrude the sediment, discharging the extruded water body into a water filter tank by the screw folding machine 4, discharging and collecting the compressed blocky sediment, and opening a water pump 7 connected with the water filter tank to pump the water body in the water filter tank into the regulating tank 1 for secondary treatment;
s5, after the water body is treated in the biological denitrification tank 5 for a period of time, an ultraviolet lamp in the activated carbon filter tank 6 is turned on, a valve of a water discharge pipe between the biological denitrification tank 5 and the activated carbon filter tank 6 is turned on, the water body is discharged into the activated carbon filter tank 6 to be filtered, the filtered water body is discharged into a clean water tank through a water outlet pipe 61, and a back washing pump 8 is turned on at intervals to back wash the water outlet pipe 61 to prevent the water outlet pipe 61 from being blocked.
Claims (10)
1. The draw-out type treatment device for removing insoluble organic pollutants in underground water is characterized by comprising an adjusting tank (1), a coagulating sedimentation tank (2), a sludge concentration tank (3), a screw stacking machine (4), a biological denitrification tank (5) and an active carbon filter tank (6), wherein the adjusting tank (1) is arranged on the ground through a support, one side of the adjusting tank (1) is provided with a water inlet pipe (11), the water inlet pipe (11) is provided with a water suction pump (7), the other side of the adjusting tank (1) is connected with the coagulating sedimentation tank (2) through a drain pipe, the coagulating sedimentation tank (2) is connected with the sludge concentration tank (3) through the drain pipe, the top surface of the sludge sedimentation tank is provided with a support for supporting the coagulating sedimentation tank (2), one side of the sludge sedimentation tank is connected with the screw stacking machine (4) through a sludge discharge pipe (34), the other side of the sludge sedimentation tank is sequentially connected with the biological denitrification tank (5) and the active carbon filter tank (6) through the drain pipe, one side of the active carbon filter tank (6) is provided with a water outlet pipe, and valves are arranged on the drain pipe;
a rotating shaft (12) which penetrates through the top surface of the adjusting tank (1) and is rotatably connected with the top surface of the adjusting tank (1) is arranged in the adjusting tank (1) along the vertical direction, a plurality of driving blades are arranged on the rotating shaft (12) positioned in the adjusting tank (1), and a first belt pulley (13) is arranged on the rotating shaft (12) positioned outside the adjusting tank (1);
the coagulation sedimentation tank is characterized in that a gear mechanism (21) is arranged in the coagulation sedimentation tank (2), the gear mechanism (21) comprises a gear ring (211), a first gear (212), at least one second gear (213) and a connecting rod (214), the gear ring (211) is fixedly connected with the inner wall of the coagulation sedimentation tank (2), the first gear (212) is located at the center of the gear ring (211), the second gear (213) is arranged between the first gear (212) and the gear ring (211) and is respectively meshed with the first gear (212) and the gear ring (211), a first stirring roller (22) which penetrates through the top surface of the coagulation sedimentation tank (2) and is rotatably connected with the top surface of the coagulation sedimentation tank (2) is fixedly arranged at the circle center of the first gear (212) along the vertical direction, a second stirring roller (23) is fixedly arranged at the circle center of the second gear (213) along the vertical direction, the connecting rod (214) is rotatably sleeved on the first stirring roller (22), the connecting rod (214) is rotatably connected with the second gear (213), the connecting rod (214) is in contact with the first gear (212), and a second belt pulley (24) is connected with the upper surface of the second belt (24);
a medicine storage tank (25) is arranged above the coagulating sedimentation tank (2), and the medicine storage tank (25) is connected with the coagulating sedimentation tank (2) through a medicine conveying pipe (26).
2. The extraction-type treatment device for removing the insoluble organic pollutants in the groundwater according to claim 1, wherein a plurality of stirring blades are arranged on the first stirring roller (22) and the second stirring roller (23).
3. The draw-out type treatment device for removing the organic pollutants insoluble in underground water according to claim 1, wherein a baffle plate (31) is arranged in the sludge concentration tank (3), the baffle plate (31) is arranged at an angle of 20 degrees with the horizontal direction, a plurality of filter holes for water to pass through are formed in the baffle plate (31), a slide rail (32) is arranged in the sludge concentration tank (3), the slide rail (32) is arranged above the baffle plate (31), the slide rail (32) is arranged in parallel with the baffle plate (31), and an electric mud scraper (33) is arranged on the slide rail (32).
4. The extraction-type treatment device for removing the organic pollutants insoluble in underground water as claimed in claim 1, wherein the biological denitrification tank (5) is provided with an electric heating wire, and the electric heating wire is electrically connected with a controller arranged on the outer wall of the biological denitrification tank (5).
5. The draw-out type treatment device for removing the insoluble organic pollutants in the groundwater according to claim 1, wherein an ultraviolet disinfection lamp is arranged in the activated carbon filter tank (6).
6. The draw-out type treatment device for removing the insoluble organic pollutants in the groundwater according to claim 5, wherein one side of the activated carbon filter tank (6) is connected with a clean water tank (9) through a water outlet pipe (61), and a back washing pump (8) is arranged on the water outlet pipe (61).
7. The extraction-type treatment device for removing insoluble organic pollutants in groundwater according to claim 1, wherein the screw lamination machine (4) is provided with a water filter tank (41), the water filter tank (41) is connected with the adjusting tank (1) through a connecting pipe, a water pump (7) is arranged on the connecting pipe, and the water pump (7) is arranged on the top surface of the adjusting tank (1).
8. The extraction-type treatment device for removing the organic pollutants insoluble in underground water as claimed in claim 1, wherein the upper end of the rotating shaft (12) penetrates through the first belt pulley (13) and is connected with an output shaft of a standby motor arranged on the first belt pulley (13).
9. The extraction-type treatment device for removing insoluble organic pollutants in groundwater according to claim 1, wherein a dosing mechanism (27) is disposed above the coagulating sedimentation tank (2), the dosing mechanism (27) comprises a switch (271) and a driving assembly (272), the drug delivery pipe (26) is provided with a through hole, the switch (271) penetrates through the through hole and is in sliding and sealing connection with the drug delivery pipe (26), an arc-shaped pressing plate (2711) is fixedly disposed at one end of the switch (271), a fixing plate (28) is disposed on the top surface of the coagulating sedimentation tank (2), the other end of the switch (271) is connected with the fixing plate (28) through a spring, and an opening for passing a drug solution is disposed on the switch (271);
drive assembly (272) includes first driving-disc (2721), second driving-disc (2722) and follows driving wheel (2723), first driving-disc (2721), second driving-disc (2722) from the top down fix the cover in proper order and locate on first stirring roller (22), be equipped with a plurality of bar spouts from driving wheel (2723), and be equipped with a plurality of first arc recesses from driving wheel (2723), be equipped with on first driving-disc (2721) and be used for making follow driving wheel (2723) second arc spout that passes through, be equipped with on second driving-disc (2722) with the correspondence of second arc spout be equipped with bar spout cooperation makes from driving wheel (2723) pivoted pivot (2724).
10. A method for removing hardly soluble organic pollutants from underground water by using the extraction-type treatment apparatus according to any one of claims 1 to 9, comprising the steps of:
s1, pumping underground water into a regulating tank (1), opening a valve of a drain pipe between the regulating tank (1) and a coagulation tank, and enabling the underground water to flow into a coagulation sedimentation tank (2) along the drain pipe and drive a rotating shaft (12) to rotate;
s2, adding a flocculating agent into the coagulating sedimentation tank (2), and driving a first stirring roller (22) and a second stirring roller (23) to rotate around a gear ring (211) under the drive of a rotating shaft (12) and rotate to mix and stir the water body and the medicament;
s3, opening a valve of a drain pipe between the coagulation sedimentation tank (2) and the sludge concentration tank (3), opening a valve of a drain pipe between the sludge concentration tank (3) and the biological denitrification tank (5), opening a switch (271) of an electric sludge scraping plate, enabling the treated water body to flow out through a filter hole in a baffle plate (31) and flow into the biological denitrification tank (5) through the drain pipe, and enabling sediments to enter a screw stacking machine (4) along the baffle plate (31) under the action of an electric sludge scraping plate (33);
s4, opening a switch (271) of an electric heating wire of the biological denitrification tank (5) to heat the biological denitrification tank (5), denitrifying the water body in the biological denitrification tank (5), simultaneously opening the switch (271) of the screw stacking machine (4) to extrude the precipitate, discharging the extruded water body into a water filtering tank by the screw stacking machine (4), discharging and collecting the compressed blocky precipitate, and opening a water suction pump (7) connected with the water filtering tank to pump the water body in the water filtering tank into the regulating tank (1) to perform secondary treatment;
s5, after the water body is treated in the biological denitrification tank (5) for a period of time, an ultraviolet lamp in the activated carbon filter tank (6) is turned on, a valve of a water discharge pipe between the biological denitrification tank (5) and the activated carbon filter tank (6) is turned on, the water body is discharged into the activated carbon filter tank (6) to be filtered, the filtered water body is discharged into a clear water tank through a water outlet pipe (61), and a backwashing pump (8) is turned on at intervals to backwash the water outlet pipe (61) to prevent the water outlet pipe (61) from being blocked.
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