CN117263348B - Copper-containing heavy metal wastewater treatment device - Google Patents
Copper-containing heavy metal wastewater treatment device Download PDFInfo
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- CN117263348B CN117263348B CN202311549036.0A CN202311549036A CN117263348B CN 117263348 B CN117263348 B CN 117263348B CN 202311549036 A CN202311549036 A CN 202311549036A CN 117263348 B CN117263348 B CN 117263348B
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- tank
- stirring reaction
- reaction tank
- output shaft
- stirring
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 35
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 22
- 239000010949 copper Substances 0.000 title claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 126
- 238000006243 chemical reaction Methods 0.000 claims abstract description 104
- 238000004062 sedimentation Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 abstract description 29
- 238000007790 scraping Methods 0.000 abstract description 13
- 239000013049 sediment Substances 0.000 abstract description 11
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 2
- 241001330002 Bambuseae Species 0.000 abstract 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 2
- 239000011425 bamboo Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 1
- 235000013547 stew Nutrition 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- 238000001556 precipitation Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910001431 copper ion Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000012716 precipitator Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane 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
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
- C02F1/5281—Installations for water purification using chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
- B01F35/123—Maintenance of mixers using mechanical means using scrapers for cleaning mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The application provides a copper-containing heavy metal wastewater treatment device relates to heavy metal wastewater, including raw water pond, pretreatment tank, sedimentation tank and retort, and form wastewater treatment system jointly through first intercommunication in proper order between raw water pond, pretreatment tank, sedimentation tank and the retort, still include the stirring retort. This application is through the cooperation of stirring reaction section of thick bamboo and the scraping element that sets up, carry out the mixture of waste water and precipitant and stew in the stirring reaction tank and deposit, rotatory shutoff section of thick bamboo makes the drainage fall into the sedimentation tank and carries out subsequent treatment after the sediment is accomplished, and the stirring reaction tank is the lifting state simultaneously, neither can influence the processing operation of follow-up waste water in the sedimentation tank, can be synchronous again simultaneously handle the debris granule after the inside sediment of stirring reaction tank, when reducing space occupation, is favorable to the promotion of waste water treatment efficiency again.
Description
Technical Field
The invention relates to the field of heavy metal wastewater, in particular to a copper-containing heavy metal wastewater treatment device.
Background
The heavy metal wastewater refers to wastewater containing heavy metals discharged in industrial production processes of mining and metallurgy, mechanical manufacturing, chemical industry, electronics, instruments and the like, and the heavy metal (such as cadmium, nickel, mercury, zinc and the like) wastewater is one of industrial wastewater with the most serious environmental pollution and the greatest harm to human beings, and the water quality and the water quantity are related to the production process. Heavy metals in wastewater cannot be decomposed and destroyed generally, and only the existing positions and physical and chemical forms of the heavy metals can be transferred. The treatment method is characterized in that the production process is reformed, heavy metals with high toxicity are not used or are less used, the heavy metals in the treated water can be discharged or recycled below the discharge standard by adopting a chemical precipitation method, an ion exchange method and the like in the on-site treatment (such as not discharging the heavy metals from a production workshop) of the production site. Forming a new heavy metal concentrated product to be recycled or subjected to innocent treatment as much as possible;
in the process of copper-containing heavy metal wastewater treatment, the following methods are generally used: 1. pretreatment of wastewater; 2. heavy metal precipitation; 3. an ion exchange process; 4. electrolytic process; 5. membrane separation methods and the like, wherein the heavy metal precipitation method is one of them;
the heavy metal precipitation method is one of the key steps for treating copper-containing wastewater. The method is characterized in that a precipitator is added to enable copper ions in the wastewater to react with the precipitator to generate precipitate, so that the copper ions are removed from the wastewater. The common precipitants include sodium hydroxide, calcium hydroxide and the like, and the proper precipitants are selected by considering the factors such as copper ion concentration, pH value and the like in the wastewater;
a whole set of wastewater treatment system is used in the treatment process of copper-containing wastewater by a heavy metal precipitation method, the wastewater is treated sequentially, a precipitant is usually required to be added in the systematic treatment process for reaction precipitation, then upper-layer water after precipitation is pumped out, then lower-layer sediment is cleaned, and the pumped water is input into another treatment tank for subsequent reaction;
the above-described processing steps have the following drawbacks: because a certain period of time is needed for cleaning the sediment after the sediment reaction, the upper water after the sediment is extracted and transferred to another treatment tank for treatment, the reduction of the treatment efficiency is caused by cleaning, extraction and transfer, and a plurality of treatment tanks are simultaneously added for simultaneous use, so that the occupied resources are not saved.
Therefore, the improvement is made by us, and a copper-containing heavy metal wastewater treatment device is provided.
Disclosure of Invention
The invention aims to provide a copper-containing heavy metal wastewater treatment device, which solves the problem that the treatment efficiency is reduced due to cleaning and extraction and transportation when the traditional wastewater is subjected to reaction precipitation by arranging a stirring reaction tank.
In order to achieve the above object, the present invention provides the following technical solutions:
the copper-containing heavy metal wastewater treatment device comprises a raw water tank, a pretreatment tank, a sedimentation tank and a reaction tank, wherein the raw water tank, the pretreatment tank, the sedimentation tank and the reaction tank are sequentially communicated at first positions through pipelines to jointly form a wastewater treatment system, and the copper-containing heavy metal wastewater treatment device also comprises a stirring reaction tank;
the treatment chamber is formed in the sedimentation tank and is used for placing the stirring reaction tank;
the stirring reaction tank is provided with a draining tank formed on the side wall, a blocking cylinder sleeved on the surface of the stirring reaction tank and capable of rotating, and a filter screen embedded in the draining tank, wherein a draining tank corresponding to and communicated with the draining tank is formed on the blocking cylinder, and the blocking cylinder rotates to block and open the draining tank;
wherein the top of the stirring reaction tank is connected with the plugging cylinder through an adjusting part;
the lifting mechanism is arranged on the sedimentation tank and close to the upper edge of the processing chamber and is used for being connected with the stirring reaction tank to form a support;
the driving mechanism is arranged above the processing chamber and is matched with the adjusting part to form a driving mechanism for driving the stirring reaction tank.
As the preferable technical proposal of the application, the adjusting component is provided with a supporting disk which is arranged at the top of the stirring reaction tank in parallel and forms a gap with the stirring reaction tank, and adjusting blocks are symmetrically distributed on two sides of the upper surface of the supporting disk;
the edge of the supporting disc extends outwards and is fixed with the plugging cylinder, the plugging cylinder and the stirring reaction tank form a running fit, and the plugging cylinder is tightly attached to the outer surface of the stirring reaction tank to form a collision sealing state.
As the preferable technical scheme of the application, the driving mechanism is provided with a servo motor which is arranged above the sedimentation tank and is fixed with the sedimentation tank through a suspension bracket, and a main output shaft and a slave output shaft are sequentially arranged on the output shaft line of the servo motor;
one end of the main output shaft is inserted with the slave output shaft in a relative sliding manner, the other end of the main output shaft is in transmission fit with the output end of the servo motor, and one end of the slave output shaft far away from the main output shaft extends into the stirring reaction tank and is fixedly provided with a stirring frame.
As a preferable technical scheme of the application, a through groove passing through the output shaft is formed at the top of the stirring reaction tank, and the supporting disc is coaxially and fixedly matched with the output shaft;
the stirring reaction tank is lifted by the lifting mechanism, so that the regulating block on the stirring reaction tank moves on one side of the stirring block, and the servo motor drives the plugging cylinder.
As a preferred technical solution of the present application, further comprising a scraping member;
the scraping component is provided with two meshing discs which are arranged in parallel up and down, a collision disc which is connected to one meshing disc and is in sliding fit with the output shaft, and a spring which is arranged in the output shaft and is fixed with the collision disc, and the top wall of the stirring reaction tank is provided with a transmission part;
the other meshing disk is fixedly provided with a scraping frame, and the meshing disk is movably assembled with the stirring frame through a bearing.
As the preferable technical scheme of this application, the said driving medium has the drive block that slides and locates the roof of stirring the retort and locates and stirs the inside reset spring fixed with drive block of roof of the retort, the bottom of the drive block runs through the roof of stirring the retort and is laminated with the surface of the contradicting disc, and the top runs through the roof of the contradicting disc and locates in the interval;
and a bulge is arranged below the supporting disc and opposite to the transmission block.
As the preferred technical scheme of this application, lifting mechanism has the support frame of being connected in stirring retort outside bottom, and the end of support frame is connected with the sedimentation tank through hydraulic push rod.
As the preferred technical scheme of this application, stirring retort bottom is equipped with sealed bottom plate through the hinge rotation, and sealed bottom plate forms locking connection with stirring retort through the hasp.
Compared with the prior art, the invention has the beneficial effects that:
in the scheme of the application:
1. through the cooperation of the stirring reaction cylinder and the scraping component, mixing, standing and precipitating of the wastewater and the precipitant are carried out in the stirring reaction tank, the plugging cylinder is rotated after the precipitation is finished to enable filtered water to fall into the sedimentation tank for subsequent treatment, meanwhile, the stirring reaction tank is in a lifting state, the subsequent wastewater treatment operation in the sedimentation tank is not affected, meanwhile, the precipitated sundry particles in the stirring reaction tank can be synchronously treated, the space occupation is reduced, and meanwhile, the improvement of the wastewater treatment efficiency is facilitated;
2. through the cooperation of scraping element and the stirring frame that sets up, when driving the stirring frame from the output shaft and rotating in stirring retort realization waste water and precipitant more fully reacted, after the sediment is accomplished, the lifting part lifting makes adjusting part's effect and drives scraping element in stirring retort inner wall's rotation, both can promote the discharge of the interior sediment material internal moisture content, can form simultaneously again to the clearance of inner wall adhesion debris, be favorable to subsequent cleaning operation.
Drawings
Fig. 1 is a schematic structural diagram of a copper-containing heavy metal wastewater treatment device provided by the application;
fig. 2 is a schematic diagram of a plugging state of a sedimentation tank of a copper-containing heavy metal wastewater treatment device provided by the application;
fig. 3 is a schematic structural diagram of a draining state of a sedimentation tank of a copper-containing heavy metal wastewater treatment device provided by the application;
fig. 4 is a schematic structural diagram of a stirring reaction tank of a copper-containing heavy metal wastewater treatment device provided by the application;
FIG. 5 is a schematic cross-sectional structural view of a stirred tank reactor of a copper-containing heavy metal wastewater treatment device provided by the application;
FIG. 6 is a schematic diagram of a part of a stirring reaction tank of a copper-containing heavy metal wastewater treatment device provided by the application;
fig. 7 is a schematic view of a meshing plate structure of a copper-containing heavy metal wastewater treatment device provided by the application.
The figures indicate:
10. a raw water pool; 11. a pretreatment pool; 12. a sedimentation tank; 13. a reaction tank; 14. a processing chamber;
20. stirring the reaction tank; 21. a water draining tank; 22. a plugging cylinder; 23. a drainage channel; 24. a filter screen;
25. an adjusting member;
250. a gap; 251. a support plate; 252. an adjusting block; 26. sealing the bottom plate; 27. locking;
30. a lifting mechanism; 31. a support frame; 32. a hydraulic push rod;
40. a driving mechanism; 41. a suspension bracket; 42. a servo motor; 43. a main output shaft; 44. a slave output shaft; 45. a stirring rack; 46. a poking block;
50. a scraping member; 51. an engagement plate; 52. a collision plate; 53. a spring; 54. a transmission block; 55. a protrusion; 56. a return spring; 57. and a scraping frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the invention.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of some embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, under the condition of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Referring to fig. 1 to 7, the present invention provides a technical solution: the copper-containing heavy metal wastewater treatment device comprises a raw water tank 10, a pretreatment tank 11, a sedimentation tank 12 and a reaction tank 13, wherein the raw water tank 10, the pretreatment tank 11, the sedimentation tank 12 and the reaction tank 13 are sequentially communicated at first positions through pipelines to form a wastewater treatment system together, the copper-containing heavy metal wastewater treatment device also comprises a stirring reaction tank 20, a pipe body (not shown in the figure) communicated with the outside is arranged on the surface of the stirring reaction tank 20, wastewater and a precipitant can be injected into the stirring reaction tank 20 through the pipe body, and meanwhile, gas in the reaction process can be discharged;
a treatment chamber 14 formed inside the sedimentation tank 12 for placing the stirring reaction tank 20 therein;
the stirring reaction tank 20 is provided with a draining tank 21 formed on the side wall, a blocking cylinder 22 sleeved on the surface of the stirring reaction tank 20 and capable of rotating, and a filter screen 24 embedded in the draining tank 21, wherein a draining tank 23 corresponding to and communicated with the draining tank 21 is formed on the blocking cylinder 22, and the blocking cylinder 22 rotates to block and open the draining tank 21;
wherein, the top of the stirring reaction tank 20 is connected with the plugging cylinder 22 through an adjusting part 25;
the adjusting part 25 is provided with a supporting plate 251 which is arranged at the top of the stirring reaction tank 20 in parallel and is provided with a gap 250 with the supporting plate, and adjusting blocks 252 are symmetrically distributed on two sides of the upper surface of the supporting plate 251;
the edge of the supporting disc 251 extends outwards and is fixed with the plugging cylinder 22, wherein the plugging cylinder 22 and the stirring reaction tank 20 form a running fit, the plugging cylinder 22 is tightly attached to the outer surface of the stirring reaction tank 20 to form a collision sealing state, when the plugging cylinder 22 is subjected to external force, the positions of the water draining groove 23 and the water draining groove 21 are opposite to each other, the wastewater in the stirring reaction tank 20 can be discharged, and when the positions of the water draining groove 23 and the water draining groove 21 are staggered with each other, the plugging cylinder 22 can form a plugging of the water draining groove 21, so that the inside of the stirring reaction tank 20 is in a relatively closed state, and the use requirement of adding a precipitating agent for stirring reaction precipitation is met;
the lifting mechanism 30 is arranged on the sedimentation tank 12 near the upper edge of the processing chamber 14 and is used for being connected with the stirring reaction tank 20 to form a support; the lifting mechanism 30 is provided with a supporting frame 31 connected to the bottom of the outer side of the stirring reaction tank 20, and the tail end of the supporting frame 31 is connected with the sedimentation tank 12 through a hydraulic push rod 32;
a driving mechanism 40, which is arranged above the processing chamber 14 and is matched with the adjusting part 25 to form a driving mechanism 40 for driving the stirring reaction tank 20;
the driving mechanism 40 is provided with a servo motor 42 which is arranged above the sedimentation tank 12 and is fixed with the sedimentation tank 12 through a suspension bracket 41, and a main output shaft 43 and a slave output shaft 44 are sequentially arranged on the output shaft of the servo motor 42;
one end of the main output shaft 43 is inserted with the slave output shaft 44 in a sliding manner, the other end of the main output shaft is in transmission fit with the output end of the servo motor 42, and one end of the slave output shaft 44 far away from the main output shaft 43 extends into the stirring reaction tank 20 and is fixedly provided with a stirring frame 45;
a through groove passing through the output shaft 44 is formed at the top of the stirring reaction tank 20, and a support plate 251 is coaxially and fixedly matched with the output shaft 44;
the stirring block 46 is fixedly arranged at the tail end of the main output shaft 43, the stirring reaction tank 20 is lifted by the lifting mechanism 30, so that the adjusting block 252 on the stirring reaction tank 20 moves to one side of the stirring block 46, and the servo motor 42 drives the plugging cylinder 22;
as shown in fig. 2, the interior of the stirring reaction tank 20 is in a blocking state, external wastewater and precipitant are injected into the stirring reaction tank, a servo motor 42 is started to drive a main output shaft 43 and a secondary output shaft 44 to rotate, and a stirring frame 45 is driven by the secondary output shaft 44 to rotate in the stirring reaction tank 20, so that rapid mixing of the internal wastewater and the precipitant is promoted, and the stirring reaction tank 20 is positioned in the treatment chamber 14, so that the treatment chamber 14 can form an effective support for the stirring reaction tank 20, shaking in the mixing stirring process is reduced, meanwhile, exuded wastewater in the reaction process can be collected, and after the mixing is completed, precipitation is formed;
the lifting mechanism 30 is started, so that the hydraulic push rod 32 moves the supporting frame 31 upwards to lift the stirring reaction tank 20 to a state shown in fig. 3, at this time, the secondary output shaft 44 is partially contracted in the main output shaft 43, and the stirring blocks 46 on the secondary output shaft are arranged on two sides of the regulating block 252 to form a state shown in fig. 6;
starting the servo motor 42 again to drive the stirring block 46 on the output shaft 44 to rotate clockwise so as to abut against the adjusting block 252 to rotate, and the adjusting block 252 is linked with the plugging cylinder 22 to rotate on the surface of the stirring reaction tank 20 through the action of the supporting disc 251 at the moment, so that the water draining tank 23 and the water draining tank 21 form a position corresponding state (namely, the liquid in the stirring reaction tank 20 can be drained) to stop the servo motor 42;
at this time, the precipitated wastewater in the stirring reaction tank 20 is filtered by the filter screen 24 and is discharged into the processing chamber 14 for the next processing operation, if the wastewater discharge speed in the stirring reaction tank 20 is slow or insufficient, the hydraulic push rod 32 can be started to enable the stirring reaction tank 20 to fall back to a certain height, so that the stirring block 46 is separated from the adjusting block 252, and at this time, the servo motor 42 is started to drive the stirring rack 45 to rotate in the stirring reaction tank 20 to promote the stirring of the precipitate, so that the accumulated wastewater in the stirring reaction tank can be rapidly discharged;
as a further optimization of this embodiment: the bottom of the stirring reaction tank 20 is rotatably provided with a sealing bottom plate 26 through a hinge, the sealing bottom plate 26 is in locking connection with the stirring reaction tank 20 through a lock catch 27, and the lock catch 27 plays a role in locking and unlocking the sealing bottom plate 26 and the stirring reaction tank 20, which is not described in detail;
after the wastewater is discharged, the sealing bottom plate 26 is opened through the lock catch 27, the holding device is placed at the bottom of the stirring reaction tank 20, and impurities in the holding device are collected.
Through the operation of the steps, the wastewater treatment device can not influence the subsequent wastewater treatment operation in the sedimentation tank 12, simultaneously treat the sundry particles precipitated in the stirring reaction tank 20 synchronously, reduce the space occupation and simultaneously facilitate the improvement of the wastewater treatment efficiency.
As a further optimization of the present embodiment: also included is a scraping member 50;
the scraping member 50 has two engaging discs 51 arranged in parallel up and down, a abutting disc 52 connected to one of the engaging discs 51 and slidably engaged with the output shaft 44, and a spring 53 provided in the output shaft 44 and fixed to the abutting disc 52, a driving member is provided on a top wall of the stirring reaction tank 20, the abutting disc 52 can translate up and down with respect to the corresponding engaging disc 51 without relative rotation, and the abutting disc 52 on the abutting disc 52 is separated from the abutting disc 52 corresponding to the lower part in a natural state by an elastic force of the spring 53 (as shown in fig. 5);
the other meshing disc 51 is fixedly provided with a scraping frame 57, the meshing disc 51 is movably assembled with the stirring frame 45 through a bearing, the scraping frame 57 is tightly attached to the inner wall of the stirring reaction tank 20, and particle impurities attached to the inner wall can be scraped in the rotating process, so that the subsequent cleaning operation is facilitated;
the transmission member is provided with a transmission block 54 which is slidably arranged on the top wall of the stirring reaction tank 20 and a return spring 56 which is arranged in the top wall of the stirring reaction tank 20 and is fixed with the transmission block 54, the transmission block 54 is in a natural state under the action of the elasticity of the return spring 56, as shown in fig. 5, the bottom of the transmission block 54 penetrates through the top wall of the stirring reaction tank 20 to be attached to the surface of the abutting disc 52, the top end penetrates through the top wall of the abutting disc 52 to be arranged in a gap 250, and a protrusion 55 is arranged below the supporting disc 251 and opposite to the transmission block 54;
the edge of the transmission block 54 is provided with a cambered surface chamfer, the center of the top is inwards concave to form a recess corresponding to the protrusion 55, and by the arrangement of the chamfer, when the protrusion 55 rotates to the position of the transmission block 54 to be in contact with the transmission block 54, the protrusion can be placed into the top of the transmission block 54 more smoothly to form an abutting state, and the recess is matched with the protrusion 55, so that the protrusion is more stable when the protrusions are mutually clamped, and is not easy to generate relative sliding falling;
when the driving of the servo motor 42 is started to make the water draining groove 23 and the water draining groove 21 form a position corresponding state, at this time, the adjusting block 252 drives the protrusion 55 on the supporting disc 251 to synchronously rotate, when the water draining groove 23 and the water draining groove 21 stop rotating corresponding to the supporting disc 251, at this time, the protrusion 55 just rotates on the top of the driving block 54, after the driving block 54 receives the interference force, the driving block moves downwards against the elastic force given by the restoring spring 56, so that the driving block abuts against the abutting disc 52 to drive the meshing disc 51 on the driving block to slide on the surface of the output shaft 44, and the two meshing discs 51 are mutually blocked;
at this time, when the lifting mechanism 30 lifts the stirring reaction tank 20 to fall back and the adjusting block 252 and the stirring block 46 are separated, the stirring frame 45 is driven to rotate by rotating from the output shaft 44 to achieve the effect of promoting the stirring of the sediment, so that the waste water accumulated in the stirring frame can be rapidly discharged, and meanwhile, the rotating slave output shaft 44 can drive the meshing disc 51 sliding on the stirring reaction tank to rotate, and at this time, the two meshing discs 51 are mutually blocked, so that the stirring frame 57 is driven to rotate by rotating synchronously;
through the rotation of striking off the frame 57, both cooperate stirring frame 45 to realize stirring reaction tank 20 inside edge department sediment's stirring, promote the waste water discharge, can strike off the debris granule that the inner wall adheres to again simultaneously, be favorable to the unified clearance operation of follow-up sediment.
The above embodiments are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present invention; all technical solutions and modifications thereof that do not depart from the spirit and scope of the invention are intended to be included in the scope of the appended claims.
Claims (1)
1. The copper-containing heavy metal wastewater treatment device comprises a raw water tank (10), a pretreatment tank (11), a sedimentation tank (12) and a reaction tank (13), wherein the raw water tank (10), the pretreatment tank (11), the sedimentation tank (12) and the reaction tank (13) are sequentially communicated at first positions through pipelines to form a wastewater treatment system together, and the copper-containing heavy metal wastewater treatment device is characterized by further comprising a stirring reaction tank (20);
a treatment chamber (14) formed inside the sedimentation tank (12) for placing the stirring reaction tank (20);
the stirring reaction tank (20) is provided with a draining tank (21) formed on the side wall, a blocking cylinder (22) sleeved on the surface of the stirring reaction tank (20) and capable of rotating, and a filter screen (24) embedded in the draining tank (21), wherein a draining tank (23) corresponding to and communicated with the draining tank (21) is formed on the blocking cylinder (22), and the blocking cylinder (22) rotates to block and open the draining tank (21);
wherein the top of the stirring reaction tank (20) is connected with the plugging cylinder (22) through an adjusting part (25);
the lifting mechanism (30) is arranged on the sedimentation tank (12) near the upper edge of the treatment chamber (14) and is used for being connected with the stirring reaction tank (20) to form a support;
a driving mechanism (40), a driving mechanism (40) which is matched with the adjusting component (25) to drive the stirring reaction tank (20) is arranged above the processing chamber (14);
the adjusting part (25) is provided with a supporting disc (251) which is arranged at the top of the stirring reaction tank (20) in parallel and is provided with a gap (250) with the supporting disc, and adjusting blocks (252) are symmetrically distributed on two sides of the upper surface of the supporting disc (251);
the edge of the supporting disc (251) extends outwards and is fixed with the plugging cylinder (22), wherein the plugging cylinder (22) and the stirring reaction tank (20) form a running fit, and the plugging cylinder (22) is tightly attached to the outer surface of the stirring reaction tank (20) to form a collision sealing state;
the driving mechanism (40) is provided with a servo motor (42) which is arranged above the sedimentation tank (12) and is fixed with the sedimentation tank (12) through a suspension bracket (41), and a main output shaft (43) and a slave output shaft (44) are sequentially arranged on the output shaft line of the servo motor (42);
one end of the main output shaft (43) is inserted with the auxiliary output shaft (44) in a relative sliding way, the other end of the main output shaft is in transmission fit with the output end of the servo motor (42), and one end of the auxiliary output shaft (44) far away from the main output shaft (43) extends into the stirring reaction tank (20) and is fixedly provided with a stirring frame (45);
a through groove for allowing the output shaft (44) to pass through is formed at the top of the stirring reaction tank (20), and a supporting disc (251) is coaxially and fixedly matched with the output shaft (44);
the stirring reaction tank (20) is lifted by the lifting mechanism (30) to enable an adjusting block (252) on the stirring reaction tank (20) to move to one side of the stirring block (46), so that a servo motor (42) drives the plugging cylinder (22);
the lifting mechanism (30) is provided with a supporting frame (31) connected to the bottom of the outer side of the stirring reaction tank (20), and the tail end of the supporting frame (31) is connected with the sedimentation tank (12) through a hydraulic push rod (32);
the bottom of the stirring reaction tank (20) is rotatably provided with a sealing bottom plate (26) through a hinge, and the sealing bottom plate (26) is in locking connection with the stirring reaction tank (20) through a lock catch (27).
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| CN202311549036.0A CN117263348B (en) | 2023-11-21 | 2023-11-21 | Copper-containing heavy metal wastewater treatment device |
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| CN202311549036.0A CN117263348B (en) | 2023-11-21 | 2023-11-21 | Copper-containing heavy metal wastewater treatment device |
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