CN117510001B - Sewage treatment device and application method thereof - Google Patents
Sewage treatment device and application method thereof Download PDFInfo
- Publication number
- CN117510001B CN117510001B CN202410022339.5A CN202410022339A CN117510001B CN 117510001 B CN117510001 B CN 117510001B CN 202410022339 A CN202410022339 A CN 202410022339A CN 117510001 B CN117510001 B CN 117510001B
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- Prior art keywords
- sewage
- tank
- ozone
- baffle
- flocculation
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- 239000010865 sewage Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 54
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000002156 mixing Methods 0.000 claims abstract description 41
- 238000005273 aeration Methods 0.000 claims abstract description 34
- 238000004062 sedimentation Methods 0.000 claims abstract description 32
- 238000005189 flocculation Methods 0.000 claims description 53
- 230000016615 flocculation Effects 0.000 claims description 52
- 238000005192 partition Methods 0.000 claims description 41
- 239000003814 drug Substances 0.000 claims description 40
- 238000003860 storage Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 claims 5
- 230000000249 desinfective effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 claims 1
- 239000008213 purified water Substances 0.000 claims 1
- 230000001954 sterilising effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 20
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 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
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
-
- 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
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
-
- 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
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
-
- 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
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
-
- 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
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/784—Diffusers or nozzles for ozonation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- 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)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The application provides a sewage treatment plant and application method thereof belongs to sewage treatment technical field, including the sedimentation tank, one side of sedimentation tank is provided with the emission pond, still includes: the lateral wall middle part of sedimentation tank is connected with the mixing box, and the pipe is all installed at the both ends of mixing box, and the inside of pipe runs through has hollow connecting axle, and the both sides of connecting axle are provided with two sections heliciform stirring rake respectively. In the scheme, through setting up mixing box, aeration dish, pipe, connecting axle, stirring rake and ozone generator, drive the stirring rake through rotating the connecting axle and rotate, helical stirring rake relies on its inclined plane extrusion sewage to reach the effect of carrying sewage, produces ozone through ozone generator, and wherein a part ozone passes through the aeration dish blowout, and ozone mixes with sewage in mixing box, along with the rotation of stirring rake, the position of venthole constantly changes when carrying sewage to make ozone and sewage intensive mixing, reach good disinfection effect.
Description
Technical Field
The application relates to the technical field of sewage treatment, in particular to a sewage treatment device and a use method thereof.
Background
In different production or living activities, sewage is often accompanied with the generation of sewage, the sewage has influence on the environment and human health, the requirements on sewage treatment are increasingly strict for protecting the environment, the basic sewage treatment methods comprise physical treatment, biological treatment and chemical treatment, and the process complexity of a sewage treatment system is different according to the different treatment degrees;
in the existing sewage physical treatment process, sewage is mainly conveyed through a water pump, the required treatment time and process requirements among the processes are different, the water pump needs to be repeatedly started and stopped in the precipitation process and the flocculation process so as to facilitate the deposition of harmful substances, the sewage often contains particles, the water pump is easy to fail, the filter screen is often accompanied by the blockage of the filter screen in the prior art by adopting the mode of separating flocculates, the dosage of flocculating agents is inconvenient to control, the flocculating matter separation efficiency is low, and the cleaning operation difficulty is higher.
Disclosure of Invention
In view of this, the purpose of this application is to provide a sewage treatment plant and application method thereof to the transport at each process of sewage is convenient for, separates the flocculation thing through the baffle cooperation filter screen of intermittent type nature displacement simultaneously, reduces the jam condition of filter screen, makes flocculation medicament can misce bene.
In order to solve the technical problems, the application provides the following technical scheme:
the utility model provides a sewage treatment plant, includes the sedimentation tank, one side of sedimentation tank is provided with the discharge tank, still includes: the middle part of the side wall of the sedimentation tank is connected with a mixing box, round pipes are arranged at the two ends of the mixing box, a hollow connecting shaft penetrates through the inside of the round pipe, two sections of spiral stirring paddles are respectively arranged at the two sides of the connecting shaft, an aeration disc is connected inside the mixing box, the middle part of the connecting shaft is sleeved with the aeration disc and communicated with the inner cavity of the connecting shaft, an ozone generator is fixedly connected to the top of the side wall of the sedimentation tank, and the ozone output end of the ozone generator is communicated with the aeration disc;
a flocculation groove communicated with the middle part of the side wall of the discharge tank is arranged at one end of the flocculation groove is communicated with the circular pipe, a partition plate is connected in the flocculation groove in a sliding manner, a filter screen is embedded in an inner window of the partition plate, and a spring is arranged between the partition plate and the side wall of the flocculation groove;
the end part of the connecting shaft is connected with a transmission rod, a cam is arranged on the outer side of the transmission rod, and the cam is abutted to one side of the partition plate.
Preferably, the outer edge of the stirring paddle is provided with a step, and the diameter of the outer edge of the stirring paddle is the same as the inner diameter of the circular tube;
the stirring paddle comprises a cavity, the inside of the cavity is communicated with the connecting shaft, and air outlets which are uniformly distributed are formed in the stirring paddle towards one side wall of the circular tube outlet.
Preferably, the number of the aeration discs is two, the two aeration discs are arranged in parallel, and the opposite surfaces of the two aeration discs are provided with air outlet holes.
Preferably, the flocculation tank top is provided with the limiting plate, the baffle laminating is in the limiting plate bottom, baffle both ends angle all runs through and is provided with the guide post, the one end of guide post is fixed in on the flocculation tank lateral wall, the guide post runs through the spring setting.
Preferably, grooves are formed in the periphery of the partition board, and sealing rings are embedded in the grooves in the outer surface of the partition board.
Preferably, the back of the baffle is hinged with a baffle, and the baffle covers one side of the filter screen facing the discharge pool.
Preferably, the top of the side wall of the discharge pool is provided with a medicine storage box, and the bottom of the medicine storage box is provided with a medicine outlet;
the top of baffle is provided with the boss, the boss laminating of baffle is in the bottom play medicine mouth of medicine storage box.
Preferably, the medicine outlet at the bottom of the medicine storage box is arranged right above the cam, and the two sides of the cam are provided with bulges.
Preferably, a servo motor is fixedly arranged on the back of the sedimentation tank, and the output end of the servo motor is fixedly connected with the connecting shaft;
the sedimentation tank is communicated with the mixing box through a round pipe.
Compared with the prior art, the application has at least the following beneficial effects:
according to the invention, the mixing box, the aeration disc, the circular tube, the connecting shaft, the stirring paddle and the ozone generator are arranged, the stirring paddle is driven to rotate by rotating the connecting shaft, the spiral stirring paddle extrudes sewage by means of the inclined surface of the spiral stirring paddle to achieve the effect of conveying sewage, the ozone generator generates ozone, part of the ozone is sprayed out by the aeration disc, the ozone is mixed with the sewage in the mixing box, and the positions of the air outlet holes are continuously changed while conveying the sewage along with the rotation of the stirring paddle, so that the ozone and the sewage are fully mixed, and a good sterilization and disinfection effect is achieved.
According to the invention, the flocculation tank, the partition plate, the filter screen, the spring, the transmission rod and the cam are arranged, the transmission rod and the connecting shaft synchronously rotate, the transmission rod drives the cam to rotate, the cam intermittently extrudes the partition plate, the partition plate intermittently reciprocates in a linear motion mode by matching with the spring, the flocculation agent is added into the flocculation tank, sewage is stirred by the reciprocation of the partition plate, the sewage and the flocculant are uniformly mixed, the intermittent reciprocation of the filter screen can well avoid the blocking condition, so that the separation efficiency of flocculates is ensured, and the cleaning operation difficulty is reduced.
According to the invention, the baffle plate, the filter screen and the baffle plate are arranged, when the baffle plate is extruded by the cam and moves away from the side wall of the flocculation tank, the baffle plate is impacted by water flow back to one side of the filter screen and is attached to the surface of the filter screen, the filter screen is shielded, and filtered sewage in the flocculation tank is pressed into the discharge tank, so that a good sewage conveying effect is realized.
According to the invention, the medicine feeding box, the partition plate and the cam are arranged, the medicine storage box is arranged right above the flocculation tank, and the intermittent opening and closing of the medicine outlet at the bottom of the medicine storage box are realized through the intermittent reciprocating motion of the partition plate during the reciprocating motion of the partition plate, so that the purpose of controlling the dosage of the flocculant is achieved, the condition that the flocculant is insufficiently dissolved due to excessive one-time addition is avoided, and when the medicine outlet at the bottom of the medicine storage box is opened, the flocculant falls onto the cam under the action of self gravity, the cam continuously rotates, the stirring effect is realized, the mixing of the flocculant and sewage is facilitated, and the flocculant can be ensured to be quickly mixed with suspended matters in water.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is a schematic view of the position structure of a circular tube in the present application;
FIG. 3 is a schematic view of the internal structure of the round tube in the present application;
FIG. 4 is a schematic view of the internal structure of the flocculation tank in the present application;
FIG. 5 is a schematic view of a structure of a stirring paddle in the present application;
FIG. 6 is a schematic cross-sectional view of a circular tube in the present application;
FIG. 7 is a schematic cross-sectional view of a flocculation tank in the present application;
FIG. 8 is a schematic view of a septum of the present application;
FIG. 9 is a schematic view of the position structure of the medicine storage box in the present application;
[ reference numerals ]
1. A sedimentation tank; 101. a servo motor; 2. a discharge pool; 3. a mixing box; 301. an aeration disc; 4. a round tube; 401. a connecting shaft; 402. stirring paddles; 5. an ozone generator; 6. a flocculation tank; 601. a partition plate; 6011. a seal ring; 602. a filter screen; 603. a spring; 604. a limiting plate; 605. a guide post; 606. a baffle; 7. a transmission rod; 701. a cam; 8. and a medicine storage box.
Detailed Description
As a sewage treatment device shown in fig. 1, 2, 3 and 4, the embodiment of the application provides, including sedimentation tank 1, one side of sedimentation tank 1 is provided with discharge tank 2, still includes: the middle part of the side wall of the sedimentation tank 1 is connected with a mixing tank 3, round tubes 4 are arranged at two ends of the mixing tank 3, a hollow connecting shaft 401 penetrates through the inside of the round tubes 4, two sections of spiral stirring paddles 402 are respectively arranged at two sides of the connecting shaft 401, the inside of the mixing tank 3 is connected with an aeration disc 301, the aeration disc 301 is sleeved at the middle part of the connecting shaft 401 and is communicated with the inner cavity of the connecting shaft, an ozone generator 5 is fixedly connected to the top of the side wall of the sedimentation tank 1, and the ozone output end of the ozone generator 5 is communicated with the aeration disc 301;
a flocculation groove 6 communicated with the discharge tank 2 is arranged in the middle of the side wall of the discharge tank 2, one end of the flocculation groove 6 is communicated with the circular pipe 4, a baffle 601 is connected in a sliding manner in the flocculation groove 6, a filter screen 602 is embedded in an inner window of the baffle 601, and a spring 603 is arranged between the baffle 601 and the side wall of the flocculation groove 6;
the end part of the connecting shaft 401 is connected with a transmission rod 7, a cam 701 is arranged on the outer side of the transmission rod 7, and the cam 701 is abutted against one side of the partition 601;
the sedimentation tank 1 is used for primarily purifying sewage, the sewage is placed in the sedimentation tank 1, suspended matters in the sewage are deposited below the inner part of the sedimentation tank 1, the precipitated sewage in the sedimentation tank 1 is layered, and the sewage is guided into the mixing box 3 through the circular tube 4 in the middle of the side surface of the sedimentation tank 1;
the stirring paddle 402 is driven to rotate by the rotating connecting shaft 401, the spiral stirring paddle 402 continuously extrudes sewage by means of the inclined surface of the stirring paddle 402, so that the sewage is continuously pushed into the mixing box 3 along the inclined surface, the mixing box 3 is filled with the sewage along with the continuous rotation of the spiral stirring paddle 402, ozone is generated by the ozone generator 5, part of the ozone is sprayed out through the aeration disc 301, the aeration disc 301 is orthogonal to the sewage flowing direction, the aeration disc 301 can generate good turbulent flow so as to be beneficial to the mixing of the ozone and the sewage in the mixing box 3, and the functions of sterilization and disinfection are achieved;
by arranging two sections of circular pipes 4, and arranging the mixing box 3 between the two sections of circular pipes 4, the circular pipe 4 at the front end of the mixing box 3 and the stirring paddle 402 cooperate to play a role in conveying water, so that the flowing direction and flowing pressure of sewage are maintained, and backflow is prevented;
the sewage entering the mixing box 3 is mixed with ozone and then enters the circular tube 4 at the front end of the mixing box 3, the sewage at the front end of the mixing box 3 keeps a good flowing direction, the flowing pressure is increased along with the injection of ozone, the circular tube 4 at the front end is matched with the stirring paddle 402 in the mixing box to generate a conveying effect, the stirring paddle 402 further promotes the sewage to be mixed with ozone when extruding the sewage, the stirring paddle 402 has good stirring and dividing effects on ozone bubbles, the ozone bubbles can be thinned, and the sterilization and disinfection effects are improved;
the injection of ozone further improves the pressure in the mixing tank 3 and the circular tube 4 so as to send sewage into the flocculation tank 6 more quickly, the transmission rod 7 and the connecting shaft 401 rotate synchronously, the transmission rod 7 drives the cam 701 to rotate, the cam 701 intermittently presses the partition plate 601, the partition plate 601 is made to reciprocate linearly by matching with the spring 603, flocculation medicament is added into the flocculation tank 6, and the sewage is stirred by the reciprocation of the partition plate 601, so that the sewage and the flocculant are mixed uniformly;
meanwhile, the filter screen 602 can separate flocculates, and the intermittent reciprocating linear motion of the filter screen 602 can well avoid the blocking, so that the flocculation separation efficiency is ensured, and the cleaning operation difficulty is reduced.
Wherein, filter screen 602 receives spring 603 extrusion and stay in the tangent position of external diameter with pipe 4, and the sewage that flows in the pipe 4 flows on parallel filter screen 602 surface, can strike filter screen 602 through rivers, reduces the dirty on filter screen 602 surface, produces the cleaning performance to filter screen 602, reduces the maintenance operation degree of difficulty to filter screen 602.
In this embodiment, as shown in fig. 3, 5 and 6; the outer edge of the stirring paddle 402 is provided with a step, and the diameter of the outer edge of the stirring paddle 402 is the same as the inner diameter of the circular tube 4;
the stirring paddle 402 comprises a cavity, the inside of which is communicated with the connecting shaft 401, and a side wall of the stirring paddle 402 facing the outlet of the circular tube 4 is provided with uniformly distributed air outlets;
the outer edge of the stirring paddle 402 is tightly attached to the inner wall of the circular tube 4, so that gaps are reduced, meanwhile, the contact area between the outer edge of the stirring paddle 402 and the inner wall of the circular tube 4 is increased through steps of the outer edge of the stirring paddle 402, water seepage is reduced, the efficiency of conveying sewage is improved, the spiral stirring paddle 402 has good conveying effect, and the spiral stirring paddle is suitable for sewage containing particles and sewage with high viscosity, and is convenient to use and maintain;
the venthole that inclined plane surface set up of stirring rake 402 is linked together with connecting axle 401 inner chamber, and ozone that ozone generator 5 produced is carried to stirring rake 402 surface blowout through connecting axle 401, and ozone blowout direction is the same with sewage direction of delivery, therefore ozone blowout is difficult for receiving the influence of sewage, along with the rotation of stirring rake 402, carries the continuous change of venthole's position when carrying sewage, and stirring's effect has been produced in the extrusion of stirring rake 402 to make ozone and sewage intensive mixing, reach good disinfection effect.
As shown in fig. 3; the number of the aeration discs 301 is two, the two aeration discs 301 are arranged in parallel, and the opposite surfaces of the two aeration discs 301 are provided with air outlets;
an ozone enrichment area is formed between the two aeration plates 301, so that sewage flowing through the aeration plates 301 can well react with ozone, the air outlet surfaces of the two aeration plates 301 are opposite, the air outlet parts of the aeration plates 301 can avoid being directly impacted by the sewage, the two aeration plates 301 generate complementary effects, ozone bubbles are enriched in the area with relatively slow water flow, and the ozone purification effect is improved.
As shown in fig. 7 and 9: the top of the flocculation tank 6 is provided with a limiting plate 604, a baffle 601 is attached to the bottom of the limiting plate 604, two end corners of the baffle 601 are provided with guide posts 605 in a penetrating way, one end of each guide post 605 is fixed on the side wall of the flocculation tank 6, and each guide post 605 is arranged in a penetrating way through a spring 603;
the top of the flocculation tank 6 is provided with the limiting plate 604, a cuboid structure with one open side is formed between the side wall of the flocculation tank 6 and the limiting plate 604, the baffle 601 is arranged at the opening part of the cavity of the cuboid structure, the baffle 601 is extruded by the cam 701 to press the filtered sewage in the flocculation tank 6 into the discharge tank 2 in cooperation with the reciprocating motion of the baffle 601, the sewage is intermittently conveyed by pressure, a frequent start and stop water pump is not needed, and the limiting plate 604 is arranged to effectively prevent the overflow of the sewage;
the guide column 605 has a limiting guide effect on the partition 601, so that the partition 601 is kept in a vertical state to prevent gaps, and meanwhile, the spring 603 is limited by the guide column 605 to avoid the inclination of the spring 603;
as shown in fig. 4 and 7: grooves are formed in the periphery of the partition 601, and sealing rings 6011 are embedded into the grooves in the outer surface of the partition 601;
the cooperation of baffle 601 and sealing washer 6011 has further improved the laminating degree between baffle 601 and the flocculation vat 6 lateral wall to guaranteed good leakproofness, kept the pressure when baffle 601 pressed sewage into discharge tank 2.
As shown in fig. 8, a baffle 606 is hinged to the back surface of the partition 601, and the baffle 606 covers the side of the filter screen 602 facing the discharge tank 2;
the inside of the baffle 601 is provided with a through hole, the filter screen 602 is embedded in the through hole, when the baffle 601 is extruded by the spring 603 and moves towards the center of the flocculation tank 6, the baffle 606 swings under the impact of water flow from one side of the filter screen 602, and a gap is formed between the baffle 606 and the filter screen 602 for sewage to pass through the filter screen 602;
when the baffle 601 is extruded by the cam 701 and moves away from the side wall of the flocculation tank 6, the baffle 606 is impacted by water flow back to one side of the filter screen 602 and is attached to the surface of the filter screen 602, so that the filter screen 602 is shielded, and filtered sewage in the flocculation tank 6 is pressed into the discharge tank 2, so that a good sewage conveying effect is realized;
in the process that the cam 701 intermittently presses the partition 601, the time for the cam 701 to contact the partition 601 is shorter than the time for the cam 701 to separate from the partition 601, and the corresponding partition 601 is kept stationary for a longer time, which is just used for the reaction of the flocculant and sewage, so that the time difference is fully utilized, and the overall efficiency of the system is improved.
As shown in fig. 9: the top of the side wall of the discharge pool 2 is provided with a medicine storage box 8, and the bottom of the medicine storage box 8 is provided with a medicine outlet;
the top of the baffle 601 is provided with a boss, and the boss of the baffle 601 is attached to a medicine outlet at the bottom of the medicine storage box 8;
the medicine storage tank 8 is arranged right above the flocculation tank 6, and intermittent opening and closing of a medicine outlet at the bottom of the medicine storage tank 8 are realized when the partition 601 reciprocates through intermittent reciprocation of the partition 601, so that the purpose of controlling the dosage of the flocculant is achieved, and the condition of insufficient flocculant dissolution caused by excessive one-time addition is avoided;
the baffle 601 has stirring effect on the extrusion of sewage in the flocculation tank 6, is favorable for mixing a flocculating agent with the sewage quickly, is convenient for separating flocculates through the filter screens 602, the cam 701 is arranged between the two filter screens 602, and can clean the area between the two filter screens 602 in the swing process of the cam 701, so that flocculates are stirred to one side far away from the filter screens 602, and the condition that flocculates are enriched near the filter screens 602 is reduced;
as shown in fig. 9, a medicine outlet at the bottom of the medicine storage box 8 is arranged right above a cam 701, and two sides of the cam 701 are provided with bulges;
when the medicine outlet at the bottom of the medicine storage box 8 is opened, the flocculant falls onto the cam 701 under the action of self gravity, the cam 701 continuously rotates, the stirring effect is achieved, the flocculant and sewage are favorably mixed, and the flocculant is guaranteed to be quickly mixed with suspended matters in water.
As shown in fig. 1: the back of the sedimentation tank 1 is fixedly provided with a servo motor 101, and the output end of the servo motor 101 is fixedly connected with a connecting shaft 401;
the sedimentation tank 1 is communicated with the mixing box 3 through a circular tube 4;
the connecting shaft 401 is driven to rotate by the servo motor 101, so that the stirring paddle 402 generates a continuous conveying effect.
According to the technical scheme, the connecting shaft 401 is driven to rotate by the servo motor 101, so that the stirring paddle 402 continuously conveys sewage from the sedimentation tank 1 to the discharge tank 2, the sewage is firstly conveyed into the mixing tank 3, ozone is generated by the ozone generator 5, part of the ozone is sprayed out through the aeration disc 301, and the ozone is mixed with the sewage in the mixing tank 3 to play a role in sterilization and disinfection;
the sewage in the mixing tank 3 is further conveyed into the flocculation tank 6, the transmission rod 7 and the connecting shaft 401 synchronously rotate, the transmission rod 7 drives the cam 701 to rotate, the cam 701 intermittently presses the partition 601, the partition 601 is intermittently reciprocated by the cooperation of the spring 603 to linearly move, and when the partition 601 reciprocates, the intermittent opening and closing of a medicine outlet at the bottom of the medicine storage tank 8 are realized, and the dosage of flocculant is controlled;
when the baffle 601 is extruded by the cam 701 and moves away from the side wall of the flocculation tank 6, the baffle 606 is impacted by water flow back to one side of the filter screen 602 and is attached to the surface of the filter screen 602, the filter screen 602 is shielded, and filtered sewage in the flocculation tank 6 is pressed into the discharge tank 2, so that a good sewage conveying effect is realized.
Claims (9)
1. The utility model provides a sewage treatment plant, includes sedimentation tank (1), one side of sedimentation tank (1) is provided with discharge tank (2), its characterized in that still includes: the utility model discloses a sedimentation tank, including sedimentation tank (1), mixing box (3), ozone generator (5) and aeration dish (301), mixing box (3) are connected to the lateral wall middle part of sedimentation tank (1), pipe (4) are all installed at the both ends of mixing box (3), hollow connecting axle (401) are run through to the inside of pipe (4), two sections heliciform stirring rake (402) are provided with respectively to the both sides of connecting axle (401), the internal connection of mixing box (3) has aeration dish (301), aeration dish (301) cover is located the middle part of connecting axle (401) and is linked together with its inner chamber, ozone generator (5) are connected fixedly to lateral wall top of sedimentation tank (1), ozone output of ozone generator (5) is linked together with aeration dish (301).
A flocculation groove (6) communicated with the flocculation groove is arranged in the middle of the side wall of the discharge tank (2), one end of the flocculation groove (6) is communicated with a circular pipe (4), a partition plate (601) is connected inside the flocculation groove (6) in a sliding manner, a filter screen (602) is embedded in an inner window of the partition plate (601), a spring (603) is arranged between the partition plate (601) and the side wall of the flocculation groove (6), a baffle (606) is hinged to the back surface of the partition plate (601), and the baffle (606) covers one side of the filter screen (602) facing the discharge tank (2);
the end part of the connecting shaft (401) is connected with a transmission rod (7), a cam (701) is arranged on the outer side of the transmission rod (7), and the cam (701) is abutted against one side of the partition plate (601);
the top of the side wall of the discharge pool (2) is provided with a medicine storage box (8).
2. The wastewater treatment apparatus according to claim 1, wherein: the outer edge of the stirring paddle (402) is provided with a step, and the diameter of the outer edge of the stirring paddle (402) is the same as the inner diameter of the circular tube (4);
the stirring paddle (402) comprises a cavity, the inside of the cavity is communicated with the connecting shaft (401), and air outlets which are uniformly distributed are formed in the stirring paddle (402) towards one side wall of the outlet of the circular tube (4).
3. The wastewater treatment apparatus according to claim 1, wherein: the number of the aeration discs (301) is two, the two aeration discs (301) are arranged in parallel, and the opposite surfaces of the two aeration discs (301) are provided with air outlet holes.
4. The wastewater treatment apparatus according to claim 1, wherein: the flocculation tank is characterized in that a limiting plate (604) is arranged at the top of the flocculation tank (6), the partition plate (601) is attached to the bottom of the limiting plate (604), guide posts (605) are arranged at two end corners of the partition plate (601) in a penetrating mode, one end of each guide post (605) is fixed on the side wall of the flocculation tank (6), and each guide post (605) is arranged through a spring (603).
5. The sewage treatment apparatus according to claim 4, wherein: grooves are formed in the periphery of the partition board (601), and sealing rings (6011) are embedded into the grooves in the outer surface of the partition board (601).
6. The wastewater treatment apparatus according to claim 1, wherein: the bottom of the medicine storage box (8) is provided with a medicine outlet;
the top of baffle (601) is provided with the boss, the boss of baffle (601) laminating is in the bottom play medicine mouth of Chu Yaoxiang (8).
7. The sewage treatment apparatus according to claim 6, wherein: the bottom medicine outlet of the medicine storage box (8) is arranged right above the cam (701), and protrusions are arranged on two sides of the cam (701).
8. The wastewater treatment apparatus according to claim 1, wherein: a servo motor (101) is fixedly arranged on the back of the sedimentation tank (1), and the output end of the servo motor (101) is fixedly connected with a connecting shaft (401);
the sedimentation tank (1) is communicated with the mixing box (3) through a round tube (4).
9. The method of using a sewage treatment apparatus according to any one of claims 1 to 8, wherein:
s1: precipitating sewage;
the sewage flows into a sedimentation tank (1) to be sedimentated, and particles with specific gravity greater than that of the water are deposited below the inner part of the sedimentation tank (1);
s2: sterilizing and disinfecting;
the servo motor (101) drives the connecting shaft (401) to rotate, the stirring paddle (402) rotates to push sewage to flow into the mixing box (3), ozone is generated through the ozone generator (5), the ozone is sprayed into the sewage in the mixing box (3) through the aeration disc (301), and meanwhile, part of the ozone is sprayed out from the side surface of the stirring paddle (402) to sterilize the sewage;
s3: flocculation treatment;
sewage is conveyed by the stirring paddle (402) and flows into the flocculation tank (6), the connecting shaft (401) drives the cam (701) to rotate in the rotating process, the cam (701) intermittently presses the baffle plate (601) to realize intermittent opening and closing of a medicine adding port at the bottom of the medicine storage tank (8), and the flocculant flows into the flocculation tank (6) from the medicine storage tank (8) to react with the sewage;
s4: filtering the flocculate;
when the cam (701) is not in contact with the baffle plate (601), the baffle plate (601) moves towards the center of the flocculation groove (6) to squeeze flocculate under the pushing of the spring (603), and flocculated water passes through the filter screen (602) to realize centralized treatment of the flocculate;
s5: discharging the purified water body;
the cam (701) presses the baffle (601), the baffle (601) overcomes the resistance of the spring (603) to move towards the discharge pool (2), the baffle (606) is attached to the surface of the filter screen (602) by the reaction force of the water body, and the water body passing through the flocculation groove (6) is pressed into the discharge pool (2).
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| CN117945603A (en) * | 2024-03-11 | 2024-04-30 | 山东龙安泰环保科技有限公司 | Membrane-free zero-emission treatment equipment for high-salt high-concentration refractory organic wastewater |
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