CN117049733A - Sewage treatment system for accelerating diffusion and mixing of medicament - Google Patents
Sewage treatment system for accelerating diffusion and mixing of medicament Download PDFInfo
- Publication number
- CN117049733A CN117049733A CN202311064231.4A CN202311064231A CN117049733A CN 117049733 A CN117049733 A CN 117049733A CN 202311064231 A CN202311064231 A CN 202311064231A CN 117049733 A CN117049733 A CN 117049733A
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- medicament
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- medicine
- mixing
- shaft
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- 239000003814 drug Substances 0.000 title claims abstract description 261
- 238000002156 mixing Methods 0.000 title claims abstract description 58
- 239000010865 sewage Substances 0.000 title claims abstract description 50
- 238000009792 diffusion process Methods 0.000 title claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 142
- 229940079593 drug Drugs 0.000 claims abstract description 28
- 238000004062 sedimentation Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 230000001276 controlling effect Effects 0.000 claims abstract description 7
- 238000005273 aeration Methods 0.000 claims abstract description 5
- 230000020477 pH reduction Effects 0.000 claims abstract description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 5
- 230000007062 hydrolysis Effects 0.000 claims abstract description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 3
- 239000010802 sludge Substances 0.000 claims abstract description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 32
- 238000005507 spraying Methods 0.000 claims description 30
- 239000006185 dispersion Substances 0.000 claims description 27
- 239000003344 environmental pollutant Substances 0.000 claims description 22
- 231100000719 pollutant Toxicity 0.000 claims description 22
- 238000004090 dissolution Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 14
- 230000033228 biological regulation Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000004458 analytical method Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 9
- 238000012377 drug delivery Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 16
- 238000004804 winding Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 238000005189 flocculation Methods 0.000 description 4
- 239000013043 chemical agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/10—Dissolving using driven stirrers
-
- 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
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
-
- 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
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
-
- 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
- B01F35/75—Discharge mechanisms
-
- 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
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
-
- 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
-
- 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
- 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
- C02F7/00—Aeration of stretches of water
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a sewage treatment system for accelerating the diffusion and mixing of chemicals, which comprises a grid tank, a regulating tank, a sludge tank, a hydrolysis acidification tank, a sedimentation tank, an aeration tank, a secondary sedimentation tank and a disinfection denitrification tank, which are sequentially connected through pipelines, and further comprises a chemical mixing device and a regulating and controlling module. The invention can discharge the medicines to be mixed into the stirring barrel in a fan shape uniformly through the medicine outlet, avoid the added medicines from being concentrated together, greatly improve the dispersing rate of the medicines, save the mixing time, and further improve the water treatment efficiency.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment system for accelerating diffusion and mixing of medicaments.
Background
The conventional treatment process flow of the existing water purification plant is generally mixing, flocculating, precipitating, filtering and sterilizing. In the water treatment process, mixing is generally combined with subsequent flocculation precipitation as one of the main links of the water treatment process, in the mixing stage, firstly, the chemical agent and clean water are fully mixed and dissolved, then the dissolved chemical agent is sprayed into raw water to perform chemical reaction (physical reaction) with substances causing pollution in the water, the raw water fully mixed with the chemical agent is coagulated to form smaller particles, and then the smaller particles enter the subsequent flocculation stage, so that the micro-flocculation particles are mutually contacted and collided to form larger flocculation particles through the water flow effect. In the process of forming the flocculating particles, not only the suspended particles can be adsorbed, but also a part of bacteria and dissolved substances can be adsorbed, so that the purifying effect is achieved. In the subsequent precipitation process, the floccules can be separated from water and settled out under certain precipitation conditions. The mixing process requires that the medicament is fully and uniformly diffused in the water body, plays an important role in obtaining a good coagulation effect, the mixing process is rapid mixing, the water flow generates severe turbulence after the medicament is added, the medicament is uniformly diffused in the whole water body in a short time, the mixing time is generally 10-60 s, and the mixing uniformity is required to be more than 95%.
In the process of mixing the medicines, a conventional medicine adding mode is to arrange a medicine adding pipe at the edge of a mixing barrel, add the prepared chemical medicines into the mixing barrel in a pumping mode, and uniformly stir the medicine liquid along with the operation of a stirring machine, generally, the faster and more uniform the medicines are mixed and dissolved, the shorter the time required by the water treatment process is, the medicines can be fully utilized, and the dosage of the medicines can be reduced.
Disclosure of Invention
The invention aims to provide a sewage treatment system for accelerating the diffusion and mixing of medicaments so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an accelerate reagent diffusion mixed sewage treatment system, includes grid pond, equalizing basin, mud pond, hydrolysis acidification pond, sedimentation tank, aeration tank, secondary sedimentation tank and disinfection denitrogenation pond, and it loops through the pipe connection, still includes reagent mixing arrangement and regulation and control module, reagent mixing arrangement with secondary sedimentation tank link up, reagent mixing arrangement is used for carrying out the mixing to the reagent for sewage treatment and dissolves, and spray the reagent after dissolving in the secondary sedimentation tank, regulation and control module is used for adjusting according to the solubility of reagent speed and angle of stirring axle in the reagent mixing arrangement, and according to reagent concentration control to spray the speed of reagent in the secondary sedimentation tank.
Further, medicament mixing arrangement includes the agitator, the inside (mixing) shaft that is equipped with of agitator and spill medicine subassembly, the (mixing) shaft top is connected with the flexible end of electric telescopic handle, electric telescopic handle is used for driving the (mixing) shaft displacement, the electric telescopic handle outside is equipped with fixed connection's protecting sheathing, protecting sheathing and driving motor's output shaft fixed connection, driving motor is used for driving the (mixing) shaft rotates, spill medicine subassembly with the (mixing) shaft synchronous rotation, spill medicine subassembly can evenly spill the medicament into in the agitator, be equipped with a plurality of stirring side axle on the (mixing) shaft, the stirring side axle is connected with adjusting part, adjusting part is used for adjusting the stirring angle of stirring side axle.
Further, the medicine scattering component comprises a medicine scattering box, a medicine scattering groove is formed in the medicine scattering box, a medicine discharging box in sliding connection is arranged in the medicine scattering groove, a plurality of medicine outlets are formed in the bottom of the medicine scattering groove, the medicine outlets are used for scattering medicines in the medicine scattering box into the stirring barrel, the bottom of the medicine outlets are arc-shaped, an arc-shaped baffle matched with the medicine outlets is arranged at the bottom of the medicine scattering box, a circular connecting plate in rotary connection is arranged on one end side wall of the medicine scattering box, the circular connecting plate is fixedly connected with the arc-shaped baffle, a plurality of first gear teeth are arranged on the circular connecting plate at equal intervals, a plurality of second gear teeth in equidistant distribution are arranged on the side wall of the stirring barrel, a plurality of third gear teeth in equidistant distribution are arranged on the side wall of the stirring barrel, the third gear teeth in staggered distribution with the third gear teeth in opposite directions with the second gear teeth, and the third gear teeth in meshed with the first gear teeth.
Further, put medicine box bilateral symmetry and be equipped with two haulage ropes, haulage rope one end is connected with the winding shaft, the winding shaft outer wall is equipped with the clockwork spring, winding shaft one end is connected with the gear two, both sides gear two dislocation distribution, be equipped with on the agitator lateral wall with gear two matched annular spout one, annular spout one inside is equipped with the teeth of a cogwheel four that a plurality of groups equidistance distribute, teeth of a cogwheel four with gear two looks meshing, two in the annular spout one the four dislocation distribution of teeth of a cogwheel.
Furthermore, the spring is arranged inside the spring barrel, an annular guide groove matched with the spring barrel is formed in the side wall of the stirring barrel, the spring barrel and the second gear are distributed at two ends of a T-shaped connecting shaft, the T-shaped connecting shaft is fixedly connected with one connecting plate, the first connecting plate is fixedly connected with the medicine scattering box, and the first connecting plate is fixedly connected with the protecting shell through a first connecting rod.
Further, the adjusting part comprises a universal coupling, the two ends of the stirring side shaft are respectively connected with the universal coupling, one of the universal couplings is connected with the stirring shaft, the other universal coupling is connected with a second connecting rod, a third gear is sleeved on the outer wall of one end of the second connecting rod, a second annular chute matched with the third gear is arranged on the side wall of the stirring barrel, and a fifth gear tooth meshed with the third gear is arranged in the second annular chute.
Further, an online concentration sensor is arranged inside the stirring barrel, the stirring barrel is connected with a metering pump through a connecting pipe, the metering pump is connected with a spray head through a connection, an electromagnetic valve is arranged on the connecting pipe, and the spray head is positioned above a water inlet of the secondary sedimentation tank.
Further, the regulation and control module comprises a medicament dispersion model building unit, a medicament dissolution analysis unit, a data acquisition unit, a control unit and an accuracy compensation unit, wherein the medicament dispersion model building unit is used for simulating a dispersing path of medicament molecules added into the stirring barrel to build a molecular dispersion model, the medicament dissolution analysis unit is used for calculating the solubility of the medicament and the concentration of the medicament after dissolution, the data acquisition unit is used for acquiring real-time flow rate and temperature data of the sewage to be treated and sending the acquired data to the control unit, the control unit is used for sending command signals, adjusting the stirring angle of the stirring side shaft according to the medicament molecular dispersion model, controlling the speed of the stirring shaft through the dissolved medicament concentration, controlling the speed of the spraying head to spray medicament according to the medicament concentration and combining the data acquired by the data acquisition unit, the accuracy compensation unit is used for measuring the content of pollutants in the sewage, feeding back the data to the data analysis unit, calculating errors between the content of the pollutants in the actual sewage and the content of the pollutants in the sewage according to the data of the pollutant content acquired in real time, and compensating the errors into the control unit, and adjusting the medicament spraying speed of the spraying head in real-time.
Further, the specific steps of the operation of the regulation and control module are as follows:
step S1, establishing a medicament molecule dispersion model, and simulating a dispersion path of medicament molecules during dissolution in real time;
s2, calculating the dispersity according to the medicament molecule dispersion model, and calculating the stirring angle of the stirring side shaft according to the dispersity of the medicament molecules;
s3, calculating the reagent solubility, calculating the stirring speed of a stirring shaft according to a reagent solubility change curve, obtaining the reagent concentration after dissolution according to the reagent solubility, and calculating the spraying speed of the reagent by combining the reagent concentration with the sewage quantity of sewage, the sewage real-time flow rate and the temperature data;
step S4, according to the stirring angle of the stirring side shaft calculated in the step 2, sending an adjusting instruction to the electric telescopic rod through the control unit, adjusting the stirring angle of the stirring side shaft, and according to the medicine spraying rate calculated in the step 3, sending a control instruction to the metering pump through the control unit, and adjusting the medicine spraying rate of the spraying head
And S5, monitoring the content of pollutants in the sewage in real time, calculating the error amount, compensating the error amount to the calculation in the step S3, and calculating the accurate medicament spraying rate.
Further, the adjusting module further comprises a medicament control unit, a wind speed measuring unit and a medicament delivery speed unit, wherein the medicament control unit is used for quantitatively delivering medicaments with specified content, the wind speed measuring unit is used for measuring the wind speed when the medicaments are delivered, and the medicament delivery speed unit is used for adjusting the medicament delivery speed of the medicament dispensing assembly and feeding back medicament delivery speed data to the control unit.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can discharge the medicament to be mixed into the stirring barrel in a fan-shaped uniform manner through the medicament outlet, so that the medicament is dispersed and discharged into the stirring barrel, the medicament is prevented from being concentrated together, the dispersing rate of the medicament is greatly improved, the mixing time is saved, the water treatment efficiency is improved, the structure of dispersing and discharging the medicament is realized, the utilized power source is a driving motor for driving the stirring shaft to rotate, no power source is additionally arranged, the resource is fully used, the resource utilization rate is improved, the stirring angle of the stirring side shaft is also adjustable, the medicament can be stirred and mixed in an omnibearing manner by the stirring side shaft, the medicament can be quickly and uniformly mixed and dissolved, the medicament mixing efficiency is improved, the spraying rate of the medicament can be regulated in real time, the medicament use amount is accurately controlled, the purposes of saving in terms of capital cost are achieved, the efficiency of whole water treatment is also improved, and the purpose of saving time cost is also achieved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the connection structure of a grille pool and an adjusting pool according to the present invention;
FIG. 2 is a schematic diagram of the distribution structure of the medicament mixing device and the secondary sedimentation tank of the invention;
FIG. 3 is a schematic perspective view of a stirring barrel according to the present invention;
FIG. 4 is a schematic view of another perspective view of the agitator of the present invention;
FIG. 5 is a schematic diagram of the distribution of the second and third gear teeth according to the present invention;
FIG. 6 is a schematic perspective view of a stirring shaft according to the present invention;
FIG. 7 is a schematic view of another perspective view of the stirring shaft of the present invention;
FIG. 8 is a front cross-sectional view of tooth four of the present invention;
FIG. 9 is a schematic top view of the spring of the present invention;
in the figure: 1. a grille pool; 2. an adjusting tank; 3. a sludge pool; 4. a hydrolytic acidification tank; 5. a sedimentation tank; 6. an aeration tank; 7. a secondary sedimentation tank; 8. a disinfection denitrification pool; 9. a medicament mixing device; 10. a stirring barrel; 11. a stirring shaft; 12. a dispensing assembly; 13. an electric telescopic rod; 14. a protective housing; 15. a driving motor; 16. a stirring side shaft; 17. an adjustment assembly; 18. a medicine spreading box; 19. a medicine tank; 20. a medicine box; 21. a medicine outlet; 22. an arc baffle; 23. a circular connecting plate; 24. gear teeth I; 25. gear teeth II; 26. gear teeth III; 27. a traction rope; 28. a spring; 29. a winding shaft; 30. a second gear; 31. an annular chute I; 32. gear teeth IV; 33. an annular guide groove; 34. a first connecting plate; 35. a first connecting rod; 36. a universal coupling; 37. a second connecting rod; 38. a third gear; 39. annular sliding grooves II; 40. fifth gear teeth; 41. a spray head.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1 to 9, the present invention provides the following technical solutions: the utility model provides an accelerate reagent diffusion mixed sewage treatment system, includes grid pond 1, equalizing basin 2, mud pond 3, hydrolytic acidification pond 4, sedimentation tank 5, aeration tank 6, secondary sedimentation tank 7 and disinfection denitrogenation pond 8, and it loops through the pipe connection, still includes reagent mixing arrangement 9 and regulation and control module, reagent mixing arrangement 9 with secondary sedimentation tank 7 link up, reagent mixing arrangement 9 is used for carrying out the mixing solution to the reagent for sewage treatment to spray the reagent after dissolving in the secondary sedimentation tank 7, regulation and control module is used for adjusting according to the solubility of reagent stirring shaft 11's in the reagent mixing arrangement 9 speed and angle, and according to reagent concentration control to spray the speed of reagent in the secondary sedimentation tank 7.
The medicament mixing device 9 comprises a stirring barrel 10, a stirring shaft 11 and a medicament scattering component 12 are arranged inside the stirring barrel 10, the top of the stirring shaft 11 is connected with the telescopic end of an electric telescopic rod 13, the electric telescopic rod 13 is used for driving the stirring shaft 11 to move, a fixedly connected protective shell 14 is arranged outside the electric telescopic rod 13, the protective shell 14 is fixedly connected with an output shaft of a driving motor 15, the driving motor 15 is used for driving the stirring shaft 11 to rotate, the medicament scattering component 12 and the stirring shaft 11 synchronously rotate, the medicament scattering component 12 can uniformly scatter medicaments into the stirring barrel 10, a plurality of stirring side shafts 16 are arranged on the stirring shaft 11, the stirring side shafts 16 are connected with an adjusting component 17, and the adjusting component 17 is used for adjusting the stirring angle of the stirring side shafts 16.
The medicine dispensing assembly 12 comprises a medicine dispensing box 18, a medicine dispensing groove 19 is formed in the medicine dispensing box 18, a medicine discharging box 20 which is in sliding connection is arranged in the medicine dispensing groove 19, a plurality of medicine outlet 21 is formed in the bottom of the medicine dispensing groove 19, the medicine outlet 21 is used for enabling medicines in the medicine dispensing box 18 to be dispensed into the stirring barrel 10, the bottom of the medicine outlet 21 is arc-shaped, an arc-shaped baffle 22 matched with the medicine outlet 21 is arranged at the bottom of the medicine dispensing box 18, a circular connecting plate 23 which is in rotary connection is arranged on one end side wall of the medicine dispensing box 18, the circular connecting plate 23 is fixedly connected with the arc-shaped baffle 22, a plurality of first gear teeth 24 are arranged on the circular connecting plate 23 in an equidistant manner, a plurality of second gear teeth 25 which are distributed in an equidistant manner are arranged on the side wall of the stirring barrel 10 are meshed with the first gear teeth 24, a plurality of third gear teeth 26 which are distributed in an equidistant manner are arranged on the side wall of the stirring barrel 10, the third gear teeth 26 are distributed with the second gear teeth 25, the third gear teeth 26 are staggered with the second gear teeth 25, the third gear teeth 26 are meshed with the first gear teeth 24, and the third gear teeth 26 are meshed with the third gear teeth 26, and the second gear teeth 26 are opposite to the first gear teeth 24.
The medicine box 20 bilateral symmetry of putting is equipped with two haulage ropes 27, haulage rope 27 one end is connected with take-up reel 29, take-up reel 29 outer wall is equipped with clockwork spring 28, take-up reel 29 one end is connected with gear two 30, both sides gear two 30 dislocation distribution, be equipped with on the agitator 10 lateral wall with gear two 30 assorted annular spout one 31, annular spout one 31 inside is equipped with the fourth 32 of the teeth of a cogwheel of a plurality of equidistance distributions, fourth 32 of teeth of a cogwheel with gear two 30 meshes, two in the annular spout one 31 fourth 32 dislocation distribution of teeth of a cogwheel.
The spring 28 is arranged inside the spring barrel, an annular guide groove 33 matched with the spring barrel is formed in the side wall of the stirring barrel 10, the spring barrel and the second gear 30 are distributed at two ends of a T-shaped connecting shaft, the T-shaped connecting shaft is fixedly connected with a first connecting plate 34, one of the first connecting plates 34 is fixedly connected with the medicine scattering box 18, the other connecting plate 34 is fixedly connected with the protective shell 14 through a first connecting rod 35, the spring 28 is tightened when the traction rope 27 is wound, and the acting force of the spring 28 is kept in a straight state all the time when the traction rope 27 is not wound.
The adjusting component 17 comprises a universal coupling 36, two ends of the stirring side shaft 16 are respectively connected with the universal coupling 36, one of the universal couplings 36 is connected with the stirring shaft 11, the other universal coupling 36 is connected with a second connecting rod 37, a third gear 38 is sleeved on the outer wall of one end of the second connecting rod 37, an annular chute second 39 matched with the third gear 38 is arranged on the side wall of the stirring barrel 10, and five gear teeth 40 meshed with the third gear 38 are arranged in the annular chute second 39.
The inside online concentration sensor that is equipped with of agitator 10, agitator 10 passes through the connecting pipe and is connected with the measuring pump, the measuring pump passes through the connection and is connected with sprinkler head 41, be equipped with the solenoid valve on the connecting pipe, sprinkler head 41 is located the water inlet top of secondary sedimentation tank 7.
The specific implementation mode of the medicament mixing is as follows: the medicine is put into the medicine placing box 20, the driving motor 15 is started, the driving motor 15 drives the stirring shaft 11 to rotate, the medicine dispensing box 18 can synchronously rotate, at the moment, the gears two 30 can synchronously move, two gears two 30 are arranged in the device, when one of the gears two 30 is meshed with the gear teeth four 32 in the moving process, the other gear two 30 cannot be meshed with the gear teeth four 32, when the gears two 30 are meshed with the gear teeth four 32, the winding shaft 29 is driven to rotate, the winding shaft 29 winds the traction rope 27, the traction rope 27 can pull the medicine placing box 20 to move, the medicine placing box 20 translates along the track of the medicine groove 19, because the two gears two 30 cannot be meshed with the gear teeth four 32 at the same time, the traction ropes 27 at two sides can also wind up at the same time, and the moving direction of the medicine placing box 20 is driven to be opposite in the winding process, the medicine placing box 20 moves back and forth to form reciprocating motion, at the moment, medicines in the medicine placing box 20 are uniformly discharged into the medicine outlet 21 of the medicine scattering box 18, the stirring shaft 11 drives the circular connecting plate 23 to move when rotating, so that when the first gear teeth 24 on the circular connecting plate 23 are meshed with the second gear teeth 25, the circular connecting plate 23 rotates, the arc baffle 22 is driven to move towards one side of the medicine outlet 21, the medicine outlet 21 is opened, medicines in the medicine scattering box 18 are discharged into the stirring barrel 10, the stirring shaft 11 rotates to stir and mix the medicines in the stirring barrel 10, when the first gear teeth 24 on the circular connecting plate 23 are meshed with the third gear teeth 26, the rotation direction of the circular connecting plate 23 is opposite to that of the first gear teeth 24 and the second gear teeth 25, the circular connecting plate 23 rotates reversely to drive the arc baffle 22 to move reversely, the drug outlet 21 is sealed again by the arc baffle 22, and the drug placing box 20 reciprocates in the closing process of the arc baffle 22, so that the drug is uniformly discharged into the drug outlet 21 again, the drug discharge quantity is the same each time, when the drug outlet 21 discharges drugs, the drug placing box 20 is positioned at one end of the drug groove 19, the bottom of the drug placing box is attached and sealed with the drug groove 19, and the drug leakage is prevented; after the medicament is discharged into the stirring barrel 10, the rotating speed of the driving motor 15 and the expansion and contraction amount of the electric telescopic rod 13 can be adjusted according to the instruction, when the electric telescopic rod 13 stretches or shortens, the stirring shaft 11 can drive the stirring shaft 11 to move, one end of the stirring shaft 16 is driven to move, the stirring shaft 16 is inclined, the stirring shaft 11 can drive the stirring shaft 16 to move when rotating, one end of the stirring shaft 16 can drive the connecting rod II 37 to move, the gear III 38 on the connecting rod II 37 is meshed with the five gear teeth 40, the connecting rod II 37 can be rotated, the stirring shaft 16 can be driven to rotate, the stirring shaft 16 can also rotate when taking the center of the stirring shaft 11 as a circle center, so that the medicament in the stirring barrel 10 can be stirred in all directions, the electric telescopic rod 13 can change the angle of the stirring shaft 16, the medicament in the stirring barrel 10 can be mixed all-directionally, the dispersing direction of the medicament can be changed, and the uniform dispersing rate of the medicament can be improved.
The regulation and control module comprises a medicament dispersion model building unit, a medicament dissolution analysis unit, a data acquisition unit, a control unit and an accuracy compensation unit, wherein the medicament dispersion model building unit is used for simulating a medicament molecule dispersion path added into the stirring barrel 10 to build a molecule dispersion model, the medicament dissolution analysis unit is used for calculating the solubility of medicament and the concentration of the medicament after dissolution, the data acquisition unit is used for acquiring the real-time flow rate and temperature data of the treated sewage and the sewage and sending the acquired data to the control unit, the control unit is used for sending command signals, regulating the stirring angle of the stirring side shaft 16 according to the medicament molecule dispersion model, controlling the speed of the stirring shaft 11 according to the medicament concentration and combining the data acquired by the data acquisition unit to control the medicament spraying speed of the spray head 41, and the accuracy compensation unit is used for measuring the content of pollutants in sewage, feeding back the data to the data analysis unit, calculating the error between the content of the pollutants in the actual sewage and the predicted content of the pollutants according to the data of the pollutant content acquired in real time and compensating the error into the control unit to regulate the medicament spraying speed of the spray head 41 in real time.
The specific steps of the operation of the regulation and control module are as follows:
s1, inputting parameters such as the quantity of the medicine put in, air speed, temperature in a stirring barrel 10 and the like, simulating the accurate environment of medicine diffusion, establishing a medicine molecule dispersion model, and simulating a dispersion path of medicine molecules in real time when the medicine molecules are dissolved;
step S2, calculating the dispersity according to the medicament molecule dispersion model, and calculating the stirring angle of the stirring side shaft 16 according to the dispersity of the medicament molecules;
the specific process of step S2 is as follows: according to the grid method, the area in the stirring barrel 10 is divided, then the dispersion of molecules in each grid area is calculated, if the dispersion of molecules is larger than a threshold value, the molecules are counted into an adjustment set, the stirring side shaft 16 is taken as a dividing line, the stirring barrel 10 is divided into a plurality of spaces, the total area of two adjacent grid areas in the adjustment set in the same space is calculated, the contour line of the area is marked, a target area is formed, then the stirring side shaft 16 closest to the target area is taken as a horizontal line, the included angle of the target area is calculated, the included angle closest to one end of the stirring side shaft 16 is extracted, the included angle is the angle range which needs to be adjusted by the stirring side shaft 16, and the angle of the stirring side shaft 16 can be adjusted to the position capable of sweeping the target area in the largest area.
Step S3, calculating the medicament solubility, calculating the stirring speed of the stirring shaft 11 according to a medicament solubility change curve, obtaining the concentration of the medicament after dissolution according to the medicament solubility, and calculating the medicament spraying speed by combining the medicament concentration with the sewage quantity of sewage, the real-time sewage flow rate and the temperature data;
the specific process of step S3 is as follows: the method comprises the steps of drawing a comparison graph of a medicament solubility change curve and stirring speed, regulating the stirring speed of a stirring shaft 11 in real time according to the solubility change curve and the temperature, so that the medicament can be dissolved to the greatest extent, for example, most of the medicament in the earlier stage is undissolved, the medicament is required to be rapidly stirred to be dissolved quickly, the medicament can be sufficiently dissolved after the medicament in the later stage is dissolved to a certain extent, if the temperature is high, the medicament is rapidly dissolved, the stirring time is short, otherwise, the stirring time is long, the concentration of the medicament is calculated after the medicament is sufficiently dissolved, the flow rate and the pollutant content of sewage are monitored, the spraying rate of the medicament is regulated in real time, for example, when the flow rate of the sewage is large, the flow rate is high, the medicament with the same concentration is required to be sprayed more, if the concentration of the medicament mixed is increased, and if the pollutant content in the sewage is high, more medicament is required to be sprayed for reacting with pollutants.
Step S4, according to the stirring angle of the stirring side shaft 16 calculated in step 2, sending an adjusting instruction to the electric telescopic rod 13 by the control unit, adjusting the stirring angle of the stirring side shaft 16, and according to the medicine spraying rate calculated in step 3, sending a control instruction to the metering pump by the control unit, adjusting the medicine spraying rate of the spraying head 41
Step S5, monitoring the content of pollutants in the sewage in real time, calculating the error amount, compensating the error amount to the calculation in the step S3, and calculating the accurate medicament spraying rate
The specific process of step S5 is as follows: if the same flow rate and flow rate are used, and the pollutant content in the sewage is high, a large amount of medicament is required for reacting with the pollutant, so that the spraying speed of the medicament is required to be increased, the pollutant content per unit can be calculated, and when the pollutant content exceeds the threshold value, the spraying speed of the medicament is recalculated.
The adjusting module further comprises a medicament control unit, a wind speed measuring unit and a medicament delivery speed unit, wherein the medicament control unit is used for quantitatively delivering medicaments with specified content, the wind speed measuring unit is used for measuring the wind speed when delivering the medicaments, the medicament delivery speed unit is used for adjusting the speed of delivering the medicaments by the medicament scattering component 12 and feeding back medicament delivery speed data to the control unit, the medicament control unit can control the medicament amount delivered into the medicament delivery box 20 according to the required medicament amount, the wind speed and the speed during delivery are monitored in real time, and the wind speed and the speed data are fed back to the medicament dispersion model building unit so as to ensure that a molecular dispersion model which is more attached in actual conditions can be built.
Examples: in actual use, the speed of the whole water quality treatment process can be improved due to the high medicament dispersing speed, and the time of 60s can be saved due to the improvement of medicament mixing when each ton of sewage is treated, and a small sewage station can treat 200 tons of sewage every day, so that the time can be saved by about 3.5 hours every day, and the efficiency is greatly improved; the device can also accurately control the dosage, and supposing that 200g of flocculant is used for each ton of sewage, 25g of flocculant can be saved after accurate control, and 20000 yuan of flocculant can be saved for each ton of sewage, 5000g of flocculant can be saved for each 200 tons of sewage, 100 yuan can be saved, if 10 sewage stations are used for the device, 1000 yuan can be saved for each 200 tons of sewage, 30000 can be saved for one month, which is equivalent to wages of two advanced workers, therefore, if a single sewage station uses the device of the invention, the time cost can be greatly saved, and if a plurality of sewage stations in a region are used simultaneously, the waste in the aspect of saving city funds can be greatly saved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a sewage treatment system for accelerating medicament diffusion mixing, includes grid pond (1), equalizing basin (2), sludge impoundment (3), hydrolysis acidification pool (4), sedimentation tank (5), aeration tank (6), secondary sedimentation tank (7) and disinfection denitrification tank (8), and its characterized in that loops through the pipe connection: still include medicament mixing arrangement (9) and regulation and control module, medicament mixing arrangement (9) with secondary sedimentation tank (7) link up, medicament mixing arrangement (9) are used for carrying out the mixing to sewage treatment with medicament and dissolve, and spray the medicament after dissolving in secondary sedimentation tank (7), regulation and control module is used for adjusting according to the solubility of medicament stirring shaft (11) speed and angle in medicament mixing arrangement (9), and according to medicament concentration control to spray the speed of medicament in secondary sedimentation tank (7).
2. A wastewater treatment system for accelerating the diffusion and mixing of a chemical according to claim 1, wherein: the medicament mixing device (9) comprises a stirring barrel (10), a stirring shaft (11) and a medicament scattering component (12) are arranged inside the stirring barrel (10), the top of the stirring shaft (11) is connected with the telescopic end of an electric telescopic rod (13), the electric telescopic rod (13) is used for driving the stirring shaft (11) to displace, a fixedly connected protective shell (14) is arranged outside the electric telescopic rod (13), the protective shell (14) is fixedly connected with an output shaft of a driving motor (15), the driving motor (15) is used for driving the stirring shaft (11) to rotate, the medicament scattering component (12) and the stirring shaft (11) synchronously rotate, the medicament scattering component (12) can uniformly scatter medicaments in the stirring barrel (10), a plurality of stirring side shafts (16) are arranged on the stirring shaft (11), the stirring side shafts (16) are connected with a regulating component (17), and the regulating component (17) is used for regulating the stirring angle of the stirring side shafts (16).
3. A wastewater treatment system for accelerating the diffusion and mixing of a chemical according to claim 2, wherein: the medicine scattering component (12) comprises a medicine scattering box (18), a medicine scattering groove (19) is formed in the medicine scattering box (18), a medicine discharging box (20) which is connected in a sliding mode is arranged in the medicine scattering groove (19), a plurality of medicine outlets (21) are formed in the bottom of the medicine scattering groove (19), the medicine outlets (21) are used for scattering medicines in the medicine scattering box (18) into the stirring barrel (10), the bottom of the medicine outlets (21) is arc-shaped, an arc-shaped baffle (22) matched with the medicine outlets (21) is arranged at the bottom of the medicine scattering box (18), a circular connecting plate (23) which is connected in a rotating mode is arranged on one end side wall of the medicine scattering box (18), a plurality of first gear teeth (24) are arranged on the circular connecting plate (23) in an equidistant mode, a plurality of second gear teeth (25) which are distributed in an equidistant mode are arranged on the side wall of the stirring barrel (10), the second gear teeth (25) are meshed with the first gear teeth (24), second gear teeth (26) which are distributed on the side wall of the stirring barrel (10) are distributed on the side wall of the circular connecting plate (23) which is fixedly connected with the arc-shaped baffle (22), and the third gear teeth (25) are distributed on the side wall of the circular connecting plate (23) which is staggered with the third gear teeth (26), the third gear tooth (26) is meshed with the first gear tooth (24).
4. A wastewater treatment system for accelerating the diffusion mixing of a chemical according to claim 3, wherein: drug delivery box (20) bilateral symmetry is equipped with two haulage ropes (27), haulage rope (27) one end is connected with reel (29), reel (29) outer wall is equipped with clockwork spring (28), reel (29) one end is connected with gear two (30), both sides gear two (30) dislocation distribution, be equipped with on agitator (10) lateral wall with gear two (30) assorted annular spout one (31), annular spout one (31) inside is equipped with four (32) of teeth of a cogwheel that a plurality of equidistance distribute, four (32) of teeth of a cogwheel with gear two (30) mesh, two in annular spout one (31) four (32) dislocation distribution of teeth of a cogwheel.
5. The wastewater treatment system for accelerating the diffusion and mixing of a chemical according to claim 4, wherein: the novel drug spraying device is characterized in that the spring (28) is arranged inside a spring barrel, annular guide grooves (33) matched with the spring barrel are formed in the side wall of the stirring barrel (10), the spring barrel and the second gear (30) are distributed at two ends of a T-shaped connecting shaft, the T-shaped connecting shaft is fixedly connected with a first connecting plate (34), one connecting plate (34) is fixedly connected with the drug spraying box (18), and the other connecting plate (34) is fixedly connected with the protective shell (14) through a first connecting rod (35).
6. A wastewater treatment system for accelerating the diffusion and mixing of a chemical according to claim 2, wherein: the stirring side shaft (16) is respectively connected with the universal couplings (36) at two ends, one of the universal couplings (36) is connected with the stirring shaft (11), the other universal coupling (36) is connected with a connecting rod II (37), a gear III (38) is sleeved on the outer wall of one end of the connecting rod II (37), an annular sliding groove II (39) matched with the gear III (38) is arranged on the side wall of the stirring barrel (10), and five gear teeth (40) meshed with the gear III (38) are arranged in the annular sliding groove II (39).
7. A wastewater treatment system for accelerating the diffusion and mixing of a chemical according to claim 2, wherein: the stirring barrel (10) is internally provided with an online concentration sensor, the stirring barrel (10) is connected with a metering pump through a connecting pipe, the metering pump is connected with a spray head (41) through a connection, an electromagnetic valve is arranged on the connecting pipe, and the spray head (41) is positioned above a water inlet of the secondary sedimentation tank (7).
8. A wastewater treatment system for accelerating the diffusion and mixing of a chemical according to claim 7, wherein: the regulation and control module comprises a medicament dispersion model building unit, a medicament dissolution analysis unit, a data acquisition unit, a control unit and an accuracy compensation unit, wherein the medicament dispersion model building unit is used for simulating a medicament molecule dispersion path added into a stirring barrel (10) to build a molecule dispersion model, the medicament dissolution analysis unit is used for calculating the solubility of the medicament and the concentration of the medicament after dissolution, the data acquisition unit is used for acquiring real-time flow rate and temperature data of the sewage to be treated and sending the acquired data to the control unit, the control unit is used for sending command signals, regulating the stirring angle of a stirring side shaft (16) according to the medicament molecule dispersion model, controlling the speed of a stirring shaft (11) through the medicament concentration after dissolution, controlling the speed of spraying the medicament by a spraying head (41) according to the medicament concentration and combining the data acquired by the data acquisition unit, and the accuracy compensation unit is used for measuring the content of pollutants in sewage and feeding back the data to the data analysis unit, calculating the error between the content of the pollutants in practice and the predicted sewage content error and controlling the error of the pollutants in the sewage according to the data of the pollutant content acquired in real time and regulating the speed of the spraying head (41) to the spraying speed.
9. A wastewater treatment system for accelerating the diffusion and mixing of a chemical according to claim 8, wherein: the specific steps of the operation of the regulation and control module are as follows:
step S1, establishing a medicament molecule dispersion model, and simulating a dispersion path of medicament molecules during dissolution in real time;
s2, calculating the dispersity according to a medicament molecule dispersion model, and calculating the stirring angle of a stirring side shaft (16) according to the dispersity of medicament molecules;
s3, calculating the reagent solubility, calculating the stirring speed of a stirring shaft (11) according to a reagent solubility change curve, obtaining the reagent concentration after dissolution according to the reagent solubility, and calculating the spraying speed of the reagent by combining the reagent concentration with the sewage quantity of sewage, the sewage real-time flow rate and the temperature data;
step S4, according to the stirring angle of the stirring side shaft (16) calculated in the step 2, sending an adjusting instruction to the electric telescopic rod (13) through the control unit, adjusting the stirring angle of the stirring side shaft (16), and according to the medicine spraying rate calculated in the step 3, sending a control instruction to the metering pump through the control unit, adjusting the medicine spraying rate of the spraying head (41)
And S5, monitoring the content of pollutants in the sewage in real time, calculating the error amount, compensating the error amount to the calculation in the step S3, and calculating the accurate medicament spraying rate.
10. A wastewater treatment system for accelerating the diffusion and mixing of a chemical according to claim 8, wherein: the adjusting module further comprises a medicament control unit, a wind speed measuring unit and a medicament delivery speed unit, wherein the medicament control unit is used for quantitatively delivering medicaments with specified content, the wind speed measuring unit is used for measuring the wind speed when the medicaments are delivered, and the medicament delivery speed unit is used for adjusting the medicament delivery speed of the medicament dispensing assembly (12) and feeding back medicament delivery speed data to the control unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311064231.4A CN117049733A (en) | 2023-08-23 | 2023-08-23 | Sewage treatment system for accelerating diffusion and mixing of medicament |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311064231.4A CN117049733A (en) | 2023-08-23 | 2023-08-23 | Sewage treatment system for accelerating diffusion and mixing of medicament |
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