CN116462264A - Sewage treatment device based on heavy metal pollution - Google Patents
Sewage treatment device based on heavy metal pollution Download PDFInfo
- Publication number
- CN116462264A CN116462264A CN202310438734.7A CN202310438734A CN116462264A CN 116462264 A CN116462264 A CN 116462264A CN 202310438734 A CN202310438734 A CN 202310438734A CN 116462264 A CN116462264 A CN 116462264A
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- China
- Prior art keywords
- sedimentation part
- heavy metal
- connecting rod
- rotating column
- sewage treatment
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 57
- 238000011282 treatment Methods 0.000 title claims abstract description 46
- 239000010865 sewage Substances 0.000 title claims abstract description 45
- 238000004062 sedimentation Methods 0.000 claims abstract description 65
- 238000007790 scraping Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000001556 precipitation Methods 0.000 claims description 9
- 239000002351 wastewater Substances 0.000 claims description 7
- 239000003463 adsorbent Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 21
- 239000013049 sediment Substances 0.000 abstract description 16
- 238000004064 recycling Methods 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000000034 method Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- WDYMMLFNWBOKFO-UHFFFAOYSA-L aluminum;zinc;sulfate Chemical compound [Al+3].[Zn+2].[O-]S([O-])(=O)=O WDYMMLFNWBOKFO-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- MZGNSEAPZQGJRB-UHFFFAOYSA-N dimethyldithiocarbamic acid Chemical compound CN(C)C(S)=S MZGNSEAPZQGJRB-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical class O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- 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
Landscapes
- 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)
- Removal Of Specific Substances (AREA)
Abstract
The application relates to a sewage treatment device based on heavy metal pollution, which comprises a device main body provided with a liquid inlet and a liquid outlet, wherein the device main body comprises a treatment tank and an inverted round table-shaped sedimentation part positioned below the treatment tank, and the bottom of the sedimentation part can be opened and closed; a dredging mechanism is arranged in the sedimentation part and comprises an inner rotary table, a scraping plate and a driving structure; the inner rotating disc is rotationally connected to the bottom in the sedimentation part, the scraping plates are fixed to the inner rotating disc at intervals and are obliquely abutted to the inner wall of the sedimentation part, and the driving structure is located below the device main body and drives the inner rotating disc to rotate. The treatment tank is used for treating the sewage containing heavy metals, heavy metal adsorption sediments are precipitated to the sedimentation part, and the bottom of the sedimentation part is opened for recycling; the driving structure drives the inner rotating disc positioned in the sedimentation part to drive the scraping plate to rotate, and heavy metal adsorption sediments attached to the inner wall of the sedimentation part are scraped to be collected, so that the recycling efficiency of heavy metals after heavy metal sewage treatment is improved, and the resource waste is reduced.
Description
Technical Field
The application relates to the technical field of sewage treatment, in particular to a sewage treatment device based on heavy metal pollution.
Background
With the high-speed development of economy, a large amount of wastewater is generated in the industrial production process, so that the problem of heavy metal pollution of the water body in China is very outstanding.
Currently, chinese patent publication No. CN112794485a discloses a sewage treatment apparatus, which includes a main body having support legs, a grid plate disposed inside the main body, and a water receiving tank disposed below the main body and connected to the support legs; the top end area of the main body is communicated with a water inlet pipe, the bottom end area of the water receiving tank is communicated with a water suction pipe, a circulating water pipe is communicated between the water inlet pipe and the water suction pipe, the circulating water pipe is communicated with a water pump and a water drain pipe, the water drain pipe is provided with a water drain valve, and the water inlet pipe is provided with a water inlet valve; the water receiving tank is provided with a supporting rod, one end of the supporting rod is provided with a driving roller, the driving roller is connected with a motor, the other end of the supporting rod is provided with a driven roller, and the driven roller is provided with a positioning pin; the driving roller and the driven roller are sleeved with a filter screen together, and the filter screen is positioned between the main body and the water receiving tank.
Chinese patent publication No. CN115155516a discloses a heavy metal wastewater adsorbent and a preparation method thereof; the heavy metal wastewater adsorbent comprises the following raw materials in parts by weight: 15-18 parts of polymeric aluminum zinc sulfate, 7-10 parts of magnesium silicate, 4-9 parts of modified red mud, 12-15 parts of a mixture of modified zeolite and montmorillonite, 13-16 parts of hydroxyapatite and 5-7 parts of dimethyl dithiocarbamate.
With respect to the sewage treatment apparatus described above, the inventors believe that some of the current sewage treatments tend to neglect the recovery of heavy metals contained in sewage, resulting in some of the heavy metals that can be recovered being directly wasted, and thus there is room for improvement.
Disclosure of Invention
In order to improve the recycling efficiency of heavy metal after heavy metal sewage treatment, reduce the wasting of resources, this application provides a sewage treatment plant based on heavy metal pollution.
The application provides a sewage treatment plant based on heavy metal pollution adopts following technical scheme:
the sewage treatment device based on heavy metal pollution comprises a device main body provided with a liquid inlet and a liquid outlet, wherein the device main body comprises a treatment tank for placing heavy metal wastewater adsorbent and an inverted round table-shaped sedimentation part positioned below the treatment tank, and the bottom of the sedimentation part can be opened and closed; a dredging mechanism is arranged in the sedimentation part and comprises an inner rotary table, a scraping plate and a driving structure; the inner rotating disc is rotationally connected to the bottom in the sedimentation part, the scraping plates are fixed on the inner rotating disc at intervals and are obliquely abutted to the inner wall of the sedimentation part, and the driving structure is positioned below the device main body and drives the inner rotating disc to rotate.
By adopting the technical scheme, the sewage containing heavy metals is treated by the treatment tank, heavy metal adsorption sediments are precipitated to the sedimentation part, and the bottom of the sedimentation part is opened for recycling; the driving structure drives the inner rotating disc positioned in the sedimentation part to drive the scraping plate to rotate, and heavy metal adsorption sediments attached to the inner wall of the sedimentation part are scraped to be collected, so that the recycling efficiency of heavy metals after heavy metal sewage treatment is improved, and the resource waste is reduced.
Preferably, the driving structure comprises a rotating column, a connecting rod and a servo motor, wherein the rotating column is fixed at the center of the inner turntable, a rotatable supporting seat can be detachably connected to the bottom of the device main body and below the sedimentation part, the connecting rod is relatively fixed on the supporting seat and inserted into the symmetrical position in the rotating column, and an output shaft of the servo motor is fixed on the supporting seat and is coaxial with the rotating column; the bottom of the sedimentation part is provided with an arc-shaped through hole for the corresponding connecting rod to rotate.
By adopting the technical scheme, the rotating column drives the inner rotary table to rotate, the supporting seat can be detached so as to be installed as required, the servo motor drives the supporting seat to rotate, and the supporting seat is inserted into and drives the rotating column and the inner rotary table to rotate through the connecting rod; the arc through holes can provide rotating abdication spaces for the corresponding connecting rods, so that the rotating process of the inner rotary table driven by the supporting seat is more reasonable, the scraping plates can rotationally scrape heavy metal adsorption sediments on the inner wall of the sedimentation part, and the collection rate is improved.
Preferably, a jacking structure is arranged in the connecting rod, the jacking structure comprises a push rod and a sliding block, the push rod slides in the connecting rod and can be upwards penetrated in the connecting rod to be inserted into the rotating column, the sliding block is transversely connected in the connecting rod in a sliding manner and is positioned below the push rod, and the sliding block can be penetrated out of the side wall of the connecting rod; the upper part of the sliding block forms an inclined plane, and the opposite sliding blocks are higher at the side far away from each other; the bottom in the sedimentation part is provided with a containing groove for containing the rotating column; when the relative sliding blocks move in opposite directions, the ejector rod moves upwards, the rotating column ascends in the accommodating groove, the sliding blocks can be clamped and positioned on the connecting rod, and one side of the scraping plate, which is close to the inner wall of the sedimentation part, is fixed with a hairbrush which can be deformed and abutted against the inner wall of the sedimentation part.
By adopting the technical scheme, the ejector rod penetrating through the connecting rod can ascend to enable the rotating column to ascend to drive the scraping plate to ascend, so that the scraping plate can be suitable for the inner wall of the sedimentation part with higher height, the rotating column ascends in the accommodating groove, and sewage cannot leak from the arc-shaped through hole; the inclined surface of the sliding block is used for guiding the lifting process of the ejector rod, the purpose of positioning the rotating column is achieved through positioning of the sliding block, and the deformable hairbrush on the scraping plate can keep the scraping plate to be abutted against the inner wall of the sedimentation part in the lifting and descending processes, so that the collection rate of heavy metal adsorption sediments is improved.
Preferably, the bottom of the sliding block is movably connected in the connecting rod through a telescopic spring, and a plurality of salient points which can be clamped in the connecting rod are fixed on the sliding block at intervals.
Preferably, the side wall of the supporting seat is relatively provided with a mounting plate movably connected with the supporting seat, one end of the mounting plate, which is close to the supporting seat, is connected in the supporting seat through a connecting spring, and the other end of the mounting plate is bent towards the bottom of the sedimentation part and forms a plugboard which is inserted into the corresponding position of the bottom of the sedimentation part.
Preferably, the bottom of the sedimentation part is provided with a openable bottom plate, and the opposite bottom plate is provided with a rotating groove for the rotation of the plug board.
Preferably, reinforcing ribs are fixed between the inner rotating disc and the rotating column at circumferential intervals; the side wall of the accommodating groove is fixedly provided with a sealing ring which is abutted against the rotating column.
Preferably, the bottom of the arc-shaped through hole can be fixed with a filter screen matched with the shape of the arc-shaped through hole; a bolt which is connected with the outer bottom of the sedimentation part in a threaded manner is fixed at the corner of the filter screen; the outer side wall of the sedimentation part is relatively penetrated with a supporting rod sealed on the side wall of the sedimentation part, the outer end part of the supporting rod forms a threaded hole, and the supporting rod can be penetrated on the inner wall of the sedimentation part and is abutted against the side wall of the inner rotating disc.
Through adopting above-mentioned technical scheme, when sewage volume is few, needs fine treatment to collect heavy metal adsorption precipitate, and the spliced pole rises and deviate from the bottom plate, and the butt pole butt is fixed in interior carousel, can demolish the supporting seat this moment, and the sewage in the treatment tank can be followed arc through-hole and passed through the filter screen and filtered to the more degree is reserved and is retrieved.
In summary, the present application includes at least one of the following beneficial technical effects:
the sewage containing heavy metals is treated by the treatment tank, heavy metal adsorption sediments are precipitated to the sedimentation part, and the bottom of the sedimentation part is opened for recycling; the driving structure drives the inner rotating disc positioned in the sedimentation part to drive the scraping plate to rotate, and heavy metal adsorption sediments attached to the inner wall of the sedimentation part are scraped to be collected, so that the recycling efficiency of heavy metals after heavy metal sewage treatment is improved, and the resource waste is reduced;
the ejector rod penetrating through the connecting rod can ascend to enable the rotating column to ascend to drive the scraping plate to ascend, so that the scraping plate can be suitable for the inner wall of the sedimentation part with higher height, the rotating column ascends in the accommodating groove, and sewage cannot leak from the arc-shaped through hole; the inclined surface of the sliding block guides the lifting process of the ejector rod, the purpose of positioning the rotating column is achieved through the positioning of the sliding block, and the deformable hairbrush on the scraping plate can keep the scraping plate to be abutted against the inner wall of the precipitation part in the lifting and descending processes, so that the collection rate of heavy metal adsorption precipitates is improved;
when the sewage quantity is small and heavy metal adsorption sediment is required to be finely treated and collected, the rotating column ascends and falls out of the bottom plate, the supporting rod is abutted and fixed on the inner rotary table, the supporting seat can be removed at the moment, and the sewage in the treatment tank can be directly filtered through the filter screen from the arc-shaped through holes, so that the sewage is reserved and recovered to a greater extent; when the sewage treatment capacity is large and the recovery requirement is not high, the upper part of the sewage after the adsorption and precipitation treatment in the treatment tank can flow out from a larger liquid outlet, and the rest is filtered by a filter screen with an arc-shaped through hole, and is collected after the bottom plate is opened.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a schematic view in partial cross-section of a highlighted embodiment of the present application with a rotating post cooperatively coupled to an inner turntable and a support base, respectively;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic view showing a partial structure of a fixed screen at an arc-shaped through hole according to an embodiment of the present application.
Reference numerals illustrate: 1. a device body; 11. a liquid inlet; 12. a liquid outlet; 2. a treatment pool; 3. a precipitation section; 31. a bottom plate; 311. a receiving groove; 312. a rotating groove; 313. an arc-shaped through hole; 4. a dredging mechanism; 5. an inner turntable; 51. reinforcing ribs; 6. a scraper; 7. a driving structure; 71. rotating the column; 72. a connecting rod; 73. a servo motor; 8. a sealing collar; 9. a support base; 91. a mounting plate; 92. a connecting spring; 93. a plug board; 10. a jacking structure; 101. a push rod; 102. a sliding block; 13. a telescopic spring; 14. an inclined surface; 15. a filter screen; 16. a bump; 17. a butt joint rod; 18. a bolt.
Description of the embodiments
The present application is described in further detail below with reference to the accompanying drawings.
The application discloses a sewage treatment device based on heavy metal pollution, referring to fig. 1 and 2, comprising a device main body 1 with a liquid inlet 11 and a liquid outlet 12 respectively arranged at the upper end and the lower end, wherein the device main body 1 comprises a treatment tank 2 for placing heavy metal wastewater adsorbent and a reverse truncated cone-shaped sedimentation part 3 positioned below the treatment tank 2; the sewage enters from the liquid inlet 11, after being treated by the heavy metal wastewater adsorbent, heavy metal adsorption sediments fall into the sedimentation part 3, the liquid outlet 12 is positioned below the side wall of the device main body 1 corresponding to the treatment tank 2, and the treated sewage is discharged from the liquid outlet 12.
Referring to fig. 1 and 2, a openable bottom plate 31 is provided opposite to the bottom of the precipitation part 3, and heavy metal adsorption precipitates falling into the precipitation part 3 are collected intensively by opening the bottom plate 31 for treatment and recovery.
Referring to fig. 1 and 2, a dredging mechanism 4 is arranged in the sedimentation part 3, and the dredging mechanism 4 comprises an inner rotary disc 5, a scraping plate 6 and a driving structure 7; the inner rotary table 5 is rotationally connected to the bottom in the sedimentation portion 3, the scraping plates 6 are fixed to the inner rotary table 5 at intervals and are obliquely abutted to the inner wall of the sedimentation portion 3, a deformable brush is fixed to one side, close to the inner wall of the sedimentation portion 3, of each scraping plate 6, the driving structure 7 drives the inner rotary table 5 to rotate, and accordingly the scraping plates 6 rotate and scrape heavy metal adsorption sediments attached to the inner wall of the sedimentation portion 3.
Referring to fig. 2, the driving structure 7 includes a rotating column 71, the rotating column 71 is fixed at the center of the inner turntable 5, reinforcing ribs 51 are fixed between the inner turntable 5 and the rotating column 71 at intervals in the circumferential direction, a containing groove 311 for containing the rotating column 71 is formed on the opposite bottom plate 31, and a sealing ring 8 abutting against the rotating column 71 is fixed on the side wall of the containing groove 311; the rotating column 71 can rotate and lift in the accommodating groove 311, and the rotating column 71 rotates to drive the inner turntable 5 to rotate.
Referring to fig. 1 and 2, a rotatable supporting seat 9 is detachably connected to the bottom of the device body 1 and below the precipitation portion 3, a mounting plate 91 movably connected to the supporting seat 9 is relatively disposed on a side wall of the supporting seat 9, one end of the mounting plate 91, which is close to the supporting seat 9, is connected to the supporting seat 9 through a connecting spring 92, the other end of the mounting plate is bent back to the bottom of the corresponding bottom plate 31, a plug board 93 inserted into the corresponding position in the bottom plate 31 is formed, and a rotating groove 312 for rotating the plug board 93 is formed in the opposite bottom plate 31, so that the supporting seat 9 can be connected to the bottom plate 31 and rotate relative to the bottom plate 31.
Referring to fig. 1 and 2, the driving structure 7 further includes a connecting rod 72 and a servo motor 73, the connecting rod 72 is relatively fixed on the supporting seat 9 and inserted into a symmetrical position in the rotating column 71, an output shaft of the servo motor 73 is fixed on the supporting seat 9 and is coaxial with the rotating column 71, and an arc-shaped through hole 313 for the corresponding connecting rod 72 to rotate is formed in the bottom of the sedimentation portion 3; the support seat 9 is driven to rotate by the servo motor 73, so that the connecting rod 72 slides along the corresponding arc-shaped through hole 313, and the rotating column 71 and the inner rotating disc 5 are driven to rotate.
Referring to fig. 2 and 3, a jacking structure 10 is arranged in the connecting rod 72, the jacking structure 10 comprises a push rod 101 and a sliding block 102, the push rod 101 vertically extends and slides in the connecting rod 72, a vertical rod can be penetrated out of the connecting rod 72 upwards to be inserted into the rotating column 71, the sliding block 102 is transversely and slidably connected in the connecting rod 72 and is positioned below the push rod 101, and the sliding block 102 can be penetrated out of the side wall of the connecting rod 72; the upper part of the sliding block 102 forms an inclined surface 14, and the side of the opposite sliding blocks 102 away from each other is higher; when the opposite sliding blocks 102 move in opposite directions, the ejector rod 101 moves upwards along the corresponding inclined surface 14, the rotating column 71 rises in the accommodating groove 311, and the deformable brush on the scraper 6 always abuts against the inner wall of the sedimentation portion 3 along with the rising of the scraper 6.
Referring to fig. 2 and 3, the bottom of the sliding block 102 is movably connected in the connecting rod 72 through the telescopic spring 13, and a plurality of protruding points 16 capable of being clamped in the connecting rod 72 are fixed at intervals on the upper portion of the sliding block 102, so that the sliding block 102 can be positioned at a corresponding position of the connecting rod 72 after moving.
Referring to fig. 1 and 2, the rotating column 71 can rise to the falling-out accommodating groove 311, the outer side wall of the settling part 3 is relatively penetrated with the supporting rod 17, the supporting rod 17 is sealed on the side wall of the settling part 3 to avoid sewage leakage, and the outer end of the supporting rod 17 forms a threaded hole, so that the supporting rod 17 can be driven to move towards the inner wall of the settling part 3 from the outside through the insertion bolt, and the supporting rod 17 can penetrate through the inner wall of the settling part 3 and abut against the side wall of the inner turntable 5, thereby achieving the purpose of positioning the rotating column 71 after rising to fall out of the accommodating groove 311.
Referring to fig. 1 and 4, the bottom of the arc-shaped through hole 313 may fix a tight screen 15 in shape-fit with the arc-shaped through hole 313; pins 18 which are connected with the outer bottom of the bottom plate 31 in a threaded manner are fixed at four corners of the filter screen 15, so that the filter screen 15 is kept to be tightly attached to the arc-shaped through holes 313 all the time; a small amount of sewage to be treated is discharged from the filter screen 15, so that more heavy metal adsorption sediment is trapped, and the heavy metal recovery rate can be improved.
The working process of the embodiment of the application is as follows:
introducing sewage into the treatment tank 2 from the liquid inlet 11 for adsorption precipitation treatment, and discharging the treated sewage through the liquid outlet 12; the connecting rod 72 is inserted into the corresponding position in the rotating column 71, the opposite mounting plates 91 on the supporting seat 9 are extruded to move in opposite directions until the inserting plates 93 enter and are inserted into the rotating grooves 312, the servo motor 73 works, the supporting seat 9 and the connecting rod 72 drive the rotating column 71 to rotate, the connecting rod 72 circularly rotates along the positive and negative directions of the arc-shaped through holes 313, the inner rotary table 5 drives the scraping plate 6 to abut against and scrape heavy metal adsorption sediments on the inner wall of the sedimentation portion 3, and finally the bottom plate 31 is opened to recycle the heavy metal adsorption sediments.
When the height of the sedimentation portion 3 is higher, the sliding blocks 102 on the opposite connecting rods 72 are extruded in opposite directions, the ejector rod 101 is lifted along the inclined surface 14 to drive the rotating column 71 to lift in the accommodating groove 311, so that the scraper 6 is lifted relatively, and the deformable brushes on the scraper 6 keep the scraper 6 after being lifted to scrape heavy metal adsorption sediments on the inner wall of the sedimentation portion 3.
When a small amount of sewage is required to be treated finely, the filter screen 15 is installed at the bottom of the arc-shaped through hole 313, then the ejector rod 101 is driven to rise to the rotary groove 312 to be separated from the accommodating groove 311, the supporting rod 17 is abutted against the inner rotary disc 5, then the supporting seat 9 is dismantled, the sewage can directly flow out from the arc-shaped through hole 313 through the filter screen 15, and heavy metal adsorption sediments can be reserved to a large extent, so that the heavy metal recovery rate is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a sewage treatment plant based on heavy metal pollution which characterized in that: the device comprises a device main body (1) provided with a liquid inlet (11) and a liquid outlet (12), wherein the device main body (1) comprises a treatment tank (2) for placing heavy metal wastewater adsorbent and a reverse truncated cone-shaped sedimentation part (3) positioned below the treatment tank (2), and the bottom of the sedimentation part (3) can be opened and closed; a dredging mechanism (4) is arranged in the sedimentation part (3), and the dredging mechanism (4) comprises an inner rotary table (5), a scraping plate (6) and a driving structure (7); the inner rotary plate (5) is rotationally connected to the bottom in the sedimentation part (3), the scraping plates (6) are fixed on the inner rotary plate (5) at intervals and are obliquely abutted to the inner wall of the sedimentation part (3), and the driving structure (7) is positioned below the device main body (1) and drives the inner rotary plate (5) to rotate.
2. The heavy metal pollution-based sewage treatment device according to claim 1, wherein: the driving structure (7) comprises a rotating column (71), a connecting rod (72) and a servo motor (73), wherein the rotating column (71) is fixed at the center of the inner rotary table (5), a rotatable supporting seat (9) is detachably connected to the bottom of the device main body (1) and positioned below the sedimentation part (3), the connecting rod (72) is relatively fixed on the supporting seat (9) and inserted into the symmetrical position in the rotating column (71), and an output shaft of the servo motor (73) is fixed on the supporting seat (9) and is coaxial with the rotating column (71); the bottom of the sedimentation part (3) is provided with an arc-shaped through hole (313) for the corresponding connecting rod (72) to rotate.
3. A heavy metal pollution based sewage treatment device according to claim 2, wherein: the lifting structure (10) is arranged in the connecting rod (72), the lifting structure (10) comprises a push rod (101) and a sliding block (102), the push rod (101) slides in the connecting rod (72) and can be upwards penetrated through the connecting rod (72) to be inserted into the rotating column (71), the sliding block (102) is transversely connected in the connecting rod (72) in a sliding manner and is positioned below the push rod (101), and the sliding block (102) can be penetrated out of the side wall of the connecting rod (72); the upper part of the sliding block (102) forms an inclined surface (14), and the opposite sliding blocks (102) are higher at the side far away from each other; a containing groove (311) for containing the rotating column (71) is arranged at the bottom in the sedimentation part (3); when the relative sliding blocks (102) move in opposite directions, the ejector rod (101) moves upwards, the rotating column (71) rises in the accommodating groove (311), the sliding blocks (102) can be clamped and positioned on the connecting rod (72), and one side, close to the inner wall of the sedimentation part (3), of the scraping plate (6) is fixed with a hairbrush which can be deformed and abutted against the inner wall of the sedimentation part (3).
4. A heavy metal pollution based sewage treatment plant according to claim 3, wherein: the bottom of the sliding block (102) is movably connected in the connecting rod (72) through a telescopic spring (13), and a plurality of salient points (16) which can be clamped in the connecting rod (72) are fixed on the sliding block (102) at intervals.
5. A heavy metal pollution based sewage treatment device according to claim 2, wherein: the side wall of the supporting seat (9) is relatively provided with a mounting plate (91) which is movably connected with the supporting seat (9), one end of the mounting plate (91) close to the supporting seat (9) is connected into the supporting seat (9) through a connecting spring (92), and the other end of the mounting plate is bent towards the bottom of the precipitation part (3) and forms a plugboard (93) which is inserted into the corresponding position of the bottom of the precipitation part (3).
6. The heavy metal pollution-based sewage treatment device according to claim 4, wherein: the bottom of the sedimentation part (3) is provided with a openable bottom plate (31) relatively, and a rotary groove (312) for the rotation of the plug board (93) is formed in the opposite bottom plate (31).
7. A heavy metal pollution based sewage treatment plant according to claim 3, wherein: reinforcing ribs (51) are fixed between the inner rotating disc (5) and the rotating column (71) at circumferential intervals; a sealing ring (8) abutted against the rotating column (71) is fixed on the side wall of the accommodating groove (311).
8. A heavy metal pollution based sewage treatment device according to claim 2, wherein: the bottom of the arc-shaped through hole (313) can be fixed with a filter screen (15) matched with the arc-shaped through hole (313) in shape; a bolt (18) which is connected with the outer bottom of the sedimentation part (3) in a threaded way is fixed at the corner of the filter screen (15); the outer side wall of the sedimentation part (3) is relatively penetrated with a supporting rod (17) sealed on the side wall of the sedimentation part (3), the outer end part of the supporting rod (17) is provided with a threaded hole, and the supporting rod (17) can be penetrated on the inner wall of the sedimentation part (3) and is abutted against the side wall of the inner rotary disc (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310438734.7A CN116462264A (en) | 2023-04-13 | 2023-04-13 | Sewage treatment device based on heavy metal pollution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310438734.7A CN116462264A (en) | 2023-04-13 | 2023-04-13 | Sewage treatment device based on heavy metal pollution |
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| CN116462264A true CN116462264A (en) | 2023-07-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117263348A (en) * | 2023-11-21 | 2023-12-22 | 河北地质大学 | Copper-containing heavy metal wastewater treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117263348A (en) * | 2023-11-21 | 2023-12-22 | 河北地质大学 | Copper-containing heavy metal wastewater treatment device |
| CN117263348B (en) * | 2023-11-21 | 2024-02-06 | 河北地质大学 | Copper-containing heavy metal wastewater treatment device |
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