CN114716103A - Ecological breeding type rural sewage treatment device and method - Google Patents
Ecological breeding type rural sewage treatment device and method Download PDFInfo
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- CN114716103A CN114716103A CN202210369107.8A CN202210369107A CN114716103A CN 114716103 A CN114716103 A CN 114716103A CN 202210369107 A CN202210369107 A CN 202210369107A CN 114716103 A CN114716103 A CN 114716103A
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- 239000010865 sewage Substances 0.000 title claims abstract description 72
- 238000009395 breeding Methods 0.000 title claims abstract description 15
- 230000001488 breeding effect Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 68
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 67
- 238000003756 stirring Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 17
- 238000004062 sedimentation Methods 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 15
- 239000004576 sand Substances 0.000 claims description 11
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000001556 precipitation Methods 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 17
- 239000002585 base Substances 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 244000005700 microbiome Species 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000002681 soil colloid Substances 0.000 description 2
- 235000007849 Lepidium sativum Nutrition 0.000 description 1
- 244000211187 Lepidium sativum Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an ecological breeding type rural sewage treatment device and method, which comprises a pretreatment tank, a neutralization tank and an artificial wetland tank, wherein the top of one side of the pretreatment tank, which is far away from the neutralization tank, is provided with a plurality of sewage input pipes; a filter plate is arranged in the pretreatment tank, a cleaning rod is arranged at the top of the filter plate, the top of the cleaning rod is connected with a moving rod through a connecting rod, and a moving member is arranged at the top of the pretreatment tank and used for driving the moving rod to horizontally reciprocate; according to the invention, sewage enters the precipitation cavity through the filter plate, impurities can be effectively filtered by the filter plate, the cleaning rod reciprocates to clean the impurities on the top of the filter plate to the top of the partition plate, and the filtered sewage can enter the precipitation cavity through the filter plate and then is neutralized by acid and alkali.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an ecological breeding type rural sewage treatment device and method.
Background
Aiming at the problems of dispersibility, diversity and the like of rural sewage treatment, an artificial wetland treatment system is adopted for treatment at present, sewage is comprehensively treated by a biological system consisting of soil, plants and microorganisms, and the capability of removing organic matters such as nitrogen, phosphorus and the like is strong. The artificial wetland is a comprehensive ecological system, which applies the principles of species symbiosis, material cycle regeneration and structure and function coordination in the ecological system, fully exerts the production potential of resources on the premise of promoting the virtuous cycle of pollutants in wastewater, prevents the recontamination of the environment, obtains the best benefit of sewage treatment and resource utilization, can plant economic crops such as cress besides conventional pollution control plants such as reed in the wetland, and has certain economic benefit.
In the artificial wetland treatment method for farmland sewage disclosed by the prior patent publication No. CN110422974B, the sewage in the farmland can be pretreated by arranging the pretreatment tank, the sewage is prevented from blocking the water inlet of the treatment tank, the sewage entering the inside of the treatment tank can be purified by arranging the treatment tank, and the sewage is prevented from directly flowing into the river and causing the pollution of the river.
When above-mentioned preliminary treatment pond carries out preliminary treatment to farmland sewage, drive the cleaning plate through the second drive belt and rotate, can scrape pasture and water and other pollutants on the first drive belt, but sewage is in the flow, and the cleaning plate rotates and can not carry out effectual clearance to debris, and partial debris easily flows to preliminary treatment pond in, and the cleaning plate uses for a long time can pile up debris, influences the cleaning action to debris in the sewage. Aiming at the problems, an ecological breeding type rural sewage treatment device and method are provided.
Disclosure of Invention
The invention aims to provide an ecological breeding type rural sewage treatment device and method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an ecological breeding type rural sewage treatment device comprises a pretreatment tank, a neutralization tank and an artificial wetland tank, wherein the top of one side of the pretreatment tank, which is far away from the neutralization tank, is provided with a plurality of sewage input pipes;
a filter plate is arranged in the pretreatment tank, a cleaning rod is arranged at the top of the filter plate, the top of the cleaning rod is connected with a moving rod through a connecting rod, and a moving part is arranged at the top of the pretreatment tank and used for driving the moving rod to horizontally reciprocate;
the two sides of the pretreatment tank are connected with collecting boxes, and collecting pieces are arranged in the collecting boxes and used for collecting sundries on the filter plates;
a positioning column is arranged in the middle of the inner cavity of the neutralization tank, a rotating disc is arranged at the top of the positioning column, and one end of the moving rod, which is close to the neutralization tank, is connected with a traction part and is used for driving the rotating disc to rotate around the axis of the positioning column when the moving rod moves horizontally;
the bottom of the rotary disc is connected with a plurality of groups of stirring components for centering and stirring liquid in the inner cavity of the tank.
Preferably, the filter plate comprises an inclined plate and a transverse plate, one side of the transverse plate, which is far away from the inclined plate, is connected with a support plate, and a support seat for supporting the filter plate and the top end of the transverse plate is arranged on the inner wall of the pretreatment tank; the cleaning rod comprises an inclined rod matched with the inclined plate and a cross rod matched with the transverse plate, one side, away from the connecting rod, of the inclined rod and the cross rod is connected with a cleaning brush, and one end, away from the inclined rod, of the cross rod is connected with a supporting rod in sliding fit with the supporting plate.
Preferably, the moving member includes the lead screw and is used for driving lead screw pivoted drive box, the locating piece is connected to preliminary treatment roof portion both sides, the locating piece is connected in the rotation of lead screw tip, the drive box is installed and is close to collecting box one side at one of them set of locating piece, preliminary treatment roof portion still is connected with T type pole, T type pole section is the T type, the carriage release lever bottom be equipped with T type pole sliding fit's T type groove, preliminary treatment roof portion that the case is close to neutralization pond one side is connected the locating frame, be equipped with between locating frame and the preliminary treatment roof portion and be used for the carriage release lever to keep away from the gliding spout of T type pole one end.
Preferably, the collecting part comprises a partition plate arranged in the collecting box, the height of the partition plate is lower than that of the transverse plate, a communication port is formed in one side, close to the collecting box, of the pretreatment box, and the top of the inclined plate and the top of the transverse plate are communicated with the top of the partition plate through the communication port; the baffle plate is provided with a plurality of leak holes, and an opening on one side of the cavity at the top of the baffle plate is provided with a sealing door connected to the collecting box; the inner cavity of the pretreatment tank is positioned at the bottom of the filter plate and is provided with a sedimentation cavity, the inner cavity of the collection tank is positioned at the bottom of the partition plate and is provided with a discharge cavity, one side of the pretreatment tank is provided with a water through hole for communicating the discharge cavity with the sedimentation cavity, the water inlet end of the first output pipe is communicated with the sedimentation cavity, and the water outlet end of the first output pipe is communicated with the inner cavity of the neutralization tank through a water pump.
Preferably, the traction part comprises a pull rod, the position of the top of the rotary table, which deviates from the circle center, is connected with a limiting column, one end of the pull rod is rotatably connected with the limiting column, one end of the movable rod, which is close to the neutralization tank, is connected with the rotating seat, and the other end of the pull rod is rotatably connected with the rotating seat.
Preferably, be connected with four groups of extension boards on the carousel annular lateral wall, four groups of extension boards are circumference array and arrange, the support ring is connected to neutralization pond top, the support ring top is equipped with the ring channel, the extension board is kept away from carousel one end bottom and is connected with the pulley with ring channel complex.
Preferably, the stirring piece comprises a stirring rod, and the bottom of the stirring rod is connected with a roller which rolls at the bottom of the inner cavity of the neutralization tank; a plurality of groups of stirring parts are arranged at the bottom of the turntable in a circumferential array.
Preferably, the top of the inner wall of the neutralization tank is provided with an annular feeding pipe, one side of the neutralization tank is connected with a liquid conveying pipe connected with the water inlet end of the annular feeding pipe, and the bottom of the annular feeding pipe is provided with a plurality of liquid outlet holes.
Preferably, the water delivery spare includes water distributor and second output tube, the second output tube is intake end and neutralization pond inner chamber intercommunication, the water pump is connected to second output tube play water end, the water pump goes out the water end and passes through the pipe connection water distributor, the water distributor is installed and is close to neutralization pond one side top in the artifical wetland pond, and the water distributor is close to artifical wetland pond one side and is connected with the distributive pipe that a plurality of extended to the inside of artifical wetland pond, artifical wetland pond both sides are equipped with the grit filter bed, the distributive pipe extends to the grit filter bed in situ, is equipped with the matrix layer between two sets of grit filter beds.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, sewage enters the precipitation cavity through the filter plate, the filter plate can effectively filter impurities, the cleaning rod reciprocates to clean the impurities on the top of the filter plate to the top of the partition plate, and the filtered sewage can enter the precipitation cavity through the filter plate and then is neutralized by acid and alkali;
according to the invention, filtered sewage can be mixed with acid-base neutralization liquid after entering the neutralization tank, and when the movable rod horizontally reciprocates, the rotary disc is driven by the pull rod to rotate around the axis of the positioning column in a reciprocating manner, so that the stirring rod can mix the sewage with the acid-base neutralization liquid, and the mixing uniformity of the sewage and the acid-base neutralization liquid is improved;
in the invention, sewage enters the artificial wetland pool and then enters the substrate layer for planting plants through the sandstone filter layer, and the sewage adsorbed by the sandstone filter layer, the plants and the substrate layer can be discharged through the drain pipe, so that the sewage can be effectively utilized, and the production potential of resources can be fully exerted.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the pretreatment tank of the present invention.
FIG. 3 is a schematic view showing the inside structure of the pretreatment tank of the present invention.
FIG. 4 is a schematic sectional view showing the structure of the pretreatment tank of the present invention.
FIG. 5 is a schematic view of the structure inside the neutralization tank in the present invention.
In the figure: 11. a pretreatment tank; 12. a neutralization pond; 13. an artificial wetland pool; 14. a sandstone filter bed; 15. a substrate layer; 16. a drain pipe; 17. a water distribution pipe; 18. a collection box; 19. a sealing door; 20. a partition plate; 21. a water inlet; 22. a sedimentation chamber; 23. filtering the plate; 24. cleaning the rod; 25. a connecting rod; 26. a travel bar; 27. a screw rod; 28. positioning blocks; 29. a drive box; 30. a positioning frame; 31. a T-shaped rod; 32. a sewage input pipe; 33. a first output pipe; 34. a rotating seat; 35. a pull rod; 36. a turntable; 37. a limiting column; 38. an extension plate; 39. a support ring; 40. a stirring rod; 41. a roller; 42. a positioning column; 43. an annular feed pipe; 44. a second output pipe; 45. a communication port.
Detailed Description
Referring to fig. 1-5, in an embodiment of the present invention, an ecological breeding type rural sewage treatment apparatus includes a pretreatment tank 11, a neutralization tank 12 and an artificial wetland tank 13, wherein a top of the pretreatment tank 11, which is far away from the neutralization tank 12, is provided with a plurality of sewage inlet pipes 32, the pretreatment tank 11 is connected to the neutralization tank 12 through a first outlet pipe 33, and the neutralization tank 12 is connected to the artificial wetland tank 13 through a water conveying member;
a filter plate 23 is arranged in the pretreatment tank 11, a cleaning rod 24 is arranged at the top of the filter plate 23, the top of the cleaning rod 24 is connected with a moving rod 26 through a connecting rod 25, and a moving part is arranged at the top of the pretreatment tank 11 and used for driving the moving rod 26 to horizontally reciprocate;
the two sides of the pretreatment tank 11 are connected with collecting tanks, and collecting pieces are arranged in the collecting tanks and used for collecting sundries on the filter plates 23;
sewage enters the sedimentation chamber 22 through the filter plate 23, impurities can be effectively filtered by the filter plate 23, the cleaning rod 24 reciprocates, the impurities on the top of the filter plate 23 can be cleaned to the top of the partition plate 20, the filtered sewage can enter the sedimentation chamber 22 through the filter plate 23, and then acid-base neutralization is carried out;
a positioning column 42 is arranged in the middle of the inner cavity of the neutralization tank 12, a turntable 36 is mounted at the top of the positioning column 42, and one end of the moving rod 26, which is close to the neutralization tank 12, is connected with a traction part and is used for driving the turntable 36 to rotate around the axis of the positioning column 42 when the moving rod 26 moves horizontally; the bottom of the rotary disc 36 is connected with a plurality of groups of stirring components for stirring the liquid in the inner cavity of the neutralization tank 12;
when the movable rod 26 horizontally reciprocates, the rotating disc 36 is driven to rotate around the axis of the positioning column 42 in a reciprocating mode through the traction piece, so that the stirring piece can mix the sewage and the acid-base neutralization solution, and the mixing uniformity of the sewage and the acid-base neutralization solution is improved.
The filter plate 23 comprises an inclined plate and a transverse plate, one side of the transverse plate, which is far away from the inclined plate, is connected with a support plate, and the inner wall of the pretreatment tank 11 is provided with a support seat for supporting the filter plate 23 and the top end of the transverse plate; the cleaning rod 24 comprises an inclined rod matched with the inclined plate and a cross rod matched with the transverse plate, the side, far away from the connecting rod 25, of the inclined rod and the side, far away from the inclined rod, of the cross rod are both connected with cleaning brushes, and one end, far away from the inclined rod, of the cross rod is connected with a supporting rod in sliding fit with the supporting plate; when the cleaning rod 24 moves, the filter plate 23 can be cleaned;
the moving member comprises a screw rod 27 and a driving box 29 for driving the screw rod 27 to rotate, the two sides of the top of the pretreatment box 11 are connected with positioning blocks 28, the end part of the screw rod 27 is rotatably connected with the positioning blocks 28, the driving box 29 is installed on one side, close to the collection box 18, of one group of the positioning blocks 28, the top of the pretreatment box 11 is also connected with a T-shaped rod 31, the section of the T-shaped rod 31 is T-shaped, the bottom of the moving rod 26 is provided with a T-shaped groove in sliding fit with the T-shaped rod 31, the top of one side, close to the neutralization pond 12, of the pretreatment box 11 is connected with a positioning frame 30, and a sliding groove for enabling one end, far away from the T-shaped rod 31, of the moving rod 26 to slide is formed between the positioning frame 30 and the pretreatment box 11;
when the screw rod 27 rotates, the moving rod 26 can be driven to slide, and the moving rod 26 can move stably under the restriction of the T-shaped rod 31 and the positioning frame 30.
The collecting part comprises a partition plate 20 arranged in the collecting box 18, the height of the partition plate 20 is lower than that of the transverse plate, a communication port 45 is formed in one side, close to the collecting box 18, of the pretreatment box 11, and the tops of the inclined plate and the transverse plate are communicated with the top of the partition plate 20 through the communication port 45; a plurality of leak holes are formed in the partition plate 20, and a sealing door 19 connected to the collecting box 18 is arranged at an opening on one side of the cavity at the top of the partition plate 20; a sedimentation cavity 22 is arranged in the inner cavity of the pretreatment tank 11 and positioned at the bottom of the filter plate 23, a discharge cavity is arranged in the inner cavity of the collection tank 18 and positioned at the bottom of the partition plate 20, a water through hole 21 for communicating the discharge cavity with the sedimentation cavity 22 is formed in one side of the pretreatment tank 11, the water inlet end of the first output pipe 33 is communicated with the sedimentation cavity 22, and the water outlet end of the first output pipe 33 is communicated with the inner cavity of the neutralization tank 12 through a water pump;
the cleaning rod 24 can clean the sundries on the filter plate 23 onto the partition plate 20, and then the sealing door 19 is conveniently opened to clean the sundries on the partition plate 20;
the traction part comprises a pull rod 35, a limiting column 37 is connected to the position, deviating from the circle center, of the top of the rotary table 36, one end of the pull rod 35 is rotatably connected with the limiting column 37, one end, close to the neutralization pond 12, of the movable rod 26 is connected with the rotating seat 34, and the other end of the pull rod 35 is rotatably connected with the rotating seat 34; in the process of horizontal reciprocating motion of the movable rod 26, the pull rod 35 drives the rotary table 36 to rotate around the axis of the positioning column 42 in a reciprocating mode, the rotary table 36 does not need to rotate 360 degrees, and only reciprocating swing is needed to be carried out, so that the stirring rod 40 can be used for mixing the sewage and the acid-base neutralization solution.
Four groups of extension plates 38 are connected to the annular side wall of the turntable 36, the four groups of extension plates 38 are arranged in a circumferential array, the top of the neutralization tank 12 is connected with a support ring 39, the top of the support ring 39 is provided with an annular groove, and the bottom of one end, far away from the turntable 36, of each extension plate 38 is connected with a pulley matched with the annular groove; when the rotary table 36 rotates around the axis of the positioning column 42 in a reciprocating mode, the pulleys roll in the annular grooves, and the rotary table 36 can rotate stably.
The stirring piece comprises a stirring rod 40, and the bottom of the stirring rod 40 is connected with a roller 41 which rolls at the bottom of the inner cavity of the neutralization tank 12; a plurality of sets of stirring members are arranged in a circumferential array at the bottom of the rotating disk 36.
An annular feeding pipe 43 is installed at the top of the inner wall of the neutralization pond 12, an infusion tube connected with the water inlet end of the annular feeding pipe 43 is connected to one side of the neutralization pond 12, and a plurality of liquid outlet holes are formed in the bottom of the annular feeding pipe 43.
The water delivery part comprises a water distribution pipe 17 and a second output pipe 44, the water inlet end of the second output pipe 44 is communicated with the inner cavity of the neutralization tank 12, the water outlet end of the second output pipe 44 is connected with a water pump, the water outlet end of the water pump is connected with the water distribution pipe 17 through a pipeline, the water distribution pipe 17 is installed at the top of one side, close to the neutralization tank 12, of the artificial wetland tank 13, one side, close to the artificial wetland tank 13, of the water distribution pipe 17 is connected with a plurality of water distribution pipes extending to the inside of the artificial wetland tank 13, sand filter layers 14 are arranged on two sides of the artificial wetland tank 13, the water distribution pipes extend into the sand filter layers 14, and a matrix layer 15 is arranged between the two sand filter layers 14;
the water in the neutralization tank 12 is output to the water distribution pipe 17 through the second output pipe 44, and then enters the artificial wetland tank 13 through the water distribution pipe.
The sand and stone filter material layer 14 and the matrix layer 15 in the artificial wetland pool 13 are selected from the prior art, sewage enters the wetland system, solid particles in the sewage act with matrix particles, and the solid particles in water flow directly touch the surfaces of the matrix particles to be intercepted. Particles in water migrate to the surface of the substrate particles and are attached to the substrate particles by van der waals and electrostatic forces, as well as by certain chemical bonds and certain specific chemisorption forces, and may be adsorbed by the bridging effect of the flocculated particles. In addition, because the wetland bed body is in the state of soaking for a long time, the matrix forms soil colloid in many areas of the bed body, and soil colloid itself has very big adsorption performance, also can hold back and adsorb the suspended particles in the aquatic. The physical filtration and adsorption function is one of the important ways for the wetland system to intercept pollutants in the sewage so as to achieve the aim of purifying the sewage;
plants are planted in the artificial wetland pool 13, and can directly absorb available nutrient substances such as nitrogen, phosphorus and the like in the water body from the sewage through absorption and assimilation. Ammonium salts, nitrates and phosphates in the water can be absorbed by the plant body through the action, and finally leave the water body through being harvested; secondly, the root system of the plant can adsorb and enrich heavy metals and toxic and harmful substances. The root, stem and leaf of the plant have the function of absorbing and enriching heavy metals, wherein the absorption capacity of the root is strongest. Among different plant species, submerged plants have strong adsorption capacity. The plants with densely developed root systems interwoven together can also have the effect of intercepting and adsorbing solid particles. Again, the plants provide more surface area for the adsorptive growth of microorganisms. The roots of plants are important loci for the inhabitation, attachment and reproduction of microorganisms. The relevant literature indicates that the number of microorganisms in the rhizosphere of plants is much greater than the number of non-rhizosphere microorganisms, and that the microorganisms can play an important role in degrading pollutants in water. Finally, the plants can also deliver oxygen to the water body, increasing the activity of the water body.
When the device is used, sewage is input into the pretreatment tank 11 through the sewage input pipe 32, enters the sedimentation cavity 22 through the filter plate 23 and then is conveyed into the neutralization tank 12 from the first output pipe 33, acid-base neutralization liquid enters the neutralization tank 12 through the liquid conveying pipe and the annular feeding pipe 43, and the sewage and the acid-base neutralization liquid are mixed and then conveyed into the artificial wetland tank 13 through the water conveying piece;
when the sewage is conveyed to the pretreatment tank 11, the driving tank 29 is started to work, the screw rods 27 rotate positively and reversely to drive the moving rods 26 to reciprocate at the top of the pretreatment tank 11, the cleaning rods 24 clean impurities at the tops of the filter plates 23 to the tops of the partition plates 20, and the filtered sewage enters the sedimentation chamber 22; in the process of horizontal reciprocating motion of the movable rod 26, the pull rod 35 drives the rotary disc 36 to rotate around the axis of the positioning column 42 in a reciprocating mode, so that the stirring rod 40 mixes the sewage and the acid-base neutralization solution;
after entering the artificial wetland tank 13, the sewage enters the plant-growing matrix layer 15 through the sand filter layer 14, and the sewage adsorbed by the sand filter layer 14, the plants and the matrix layer 15 can be discharged through the drain pipe 16.
Claims (10)
1. An ecological breeding type rural sewage treatment device comprises a pretreatment tank (11), a neutralization pond (12) and an artificial wetland pond (13), wherein the top of one side, away from the neutralization pond (12), of the pretreatment tank (11) is provided with a plurality of sewage input pipes (32), the pretreatment tank (11) is connected with the neutralization pond (12) through a first output pipe (33), and the neutralization pond (12) is connected with the artificial wetland pond (13) through a water conveying piece;
the device is characterized in that a filter plate (23) is arranged in the pretreatment tank (11), a cleaning rod (24) is arranged at the top of the filter plate (23), the top of the cleaning rod (24) is connected with a moving rod (26) through a connecting rod (25), and a moving part is arranged at the top of the pretreatment tank (11) and used for driving the moving rod (26) to horizontally reciprocate;
the two sides of the pretreatment tank (11) are connected with collecting tanks, and collecting pieces are arranged in the collecting tanks and used for collecting sundries on filter plates (23);
a positioning column (42) is arranged in the middle of the inner cavity of the neutralization tank (12), a turntable (36) is mounted at the top of the positioning column (42), one end, close to the neutralization tank (12), of the movable rod (26) is connected with a traction piece, and the movable rod (26) is used for driving the turntable (36) to rotate around the axis of the positioning column (42) when moving horizontally;
the bottom of the rotary disc (36) is connected with a plurality of groups of stirring components for stirring the liquid in the inner cavity of the neutralization tank (12).
2. The ecological breeding type rural sewage treatment device according to claim 1, wherein the filter plate (23) comprises an inclined plate and a transverse plate, one side of the transverse plate, which is far away from the inclined plate, is connected with a support plate, and a support seat for supporting the filter plate (23) and the top end of the transverse plate is arranged on the inner wall of the pretreatment tank (11); clearance pole (24) include with swash plate complex down tube and with diaphragm complex horizontal pole, the clearance brush is all connected to one side that the pole (25) that links up is kept away from to down tube and horizontal pole, the horizontal pole is kept away from down tube one end and is connected with branch with backup pad sliding fit.
3. The ecological culture type rural sewage treatment plant according to claim 1, the moving piece comprises a screw rod (27) and a driving box (29) for driving the screw rod (27) to rotate, the two sides of the top of the pretreatment box (11) are connected with positioning blocks (28), the end part of the screw rod (27) is rotatably connected with the positioning blocks (28), the driving box (29) is arranged on one side of one group of positioning blocks (28) close to the collecting box (18), the top of the pretreatment box (11) is also connected with a T-shaped rod (31), the section of the T-shaped rod (31) is T-shaped, the bottom of the movable rod (26) is provided with a T-shaped groove which is in sliding fit with the T-shaped rod (31), the top of one side of the pretreatment box (11) close to the neutralization tank (12) is connected with a positioning frame (30), a sliding groove used for enabling one end of the moving rod (26) far away from the T-shaped rod (31) to slide is arranged between the positioning frame (30) and the pretreatment box (11).
4. The ecological breeding type rural sewage treatment device according to claim 2, wherein the collecting member comprises a partition plate (20) arranged in the collecting tank (18), the height of the partition plate (20) is lower than that of the transverse plate, a communication port (45) is formed in one side, close to the collecting tank (18), of the pretreatment tank (11), and the tops of the inclined plate and the transverse plate are communicated with the top of the partition plate (20) through the communication port (45); a plurality of leak holes are formed in the partition plate (20), and a sealing door (19) connected to the collecting box (18) is arranged at an opening on one side of the top cavity of the partition plate (20); the inner cavity of the pretreatment tank (11) is positioned at the bottom of the filter plate (23) and is provided with a sedimentation chamber (22), the inner cavity of the collection tank (18) is positioned at the bottom of the partition plate (20) and is provided with a discharge chamber, one side of the pretreatment tank (11) is provided with a water through hole (21) for communicating the discharge chamber and the sedimentation chamber (22), the water inlet end of the first output pipe (33) is communicated with the sedimentation chamber (22), and the water outlet end of the first output pipe (33) is communicated with the inner cavity of the neutralization pond (12) through a water pump.
5. The ecological breeding type rural sewage treatment device according to claim 1, wherein the pulling member comprises a pulling rod (35), a limiting column (37) is connected to the top of the rotary table (36) at a position deviated from the center of the circle, one end of the pulling rod (35) is rotatably connected with the limiting column (37), one end of the moving rod (26) close to the neutralization pond (12) is connected with the rotating seat (34), and the other end of the pulling rod (35) is rotatably connected with the rotating seat (34).
6. The ecological culture type rural sewage treatment device according to claim 1, wherein four sets of extension plates (38) are connected to the annular side wall of the rotary table (36), the four sets of extension plates (38) are arranged in a circumferential array, the top of the neutralization pond (12) is connected with a support ring (39), an annular groove is formed in the top of the support ring (39), and a pulley matched with the annular groove is connected to the bottom of one end, away from the rotary table (36), of each extension plate (38).
7. The ecological breeding type rural sewage treatment device according to claim 1, wherein the stirring member comprises a stirring rod (40), the bottom of the stirring rod (40) is connected with a roller (41) which rolls at the bottom of the inner cavity of the neutralization pond (12); the stirring components are arranged in a circumferential array at the bottom of the turntable (36).
8. The ecological culture type rural sewage treatment device according to claim 1, wherein an annular feeding pipe (43) is installed at the top of the inner wall of the neutralization pond (12), a liquid conveying pipe connected with the water inlet end of the annular feeding pipe (43) is connected to one side of the neutralization pond (12), and a plurality of liquid outlet holes are formed in the bottom of the annular feeding pipe (43).
9. The ecological breeding type rural sewage treatment plant according to claim 1, the water delivery part comprises a water distribution pipe (17) and a second output pipe (44), the water inlet end of the second output pipe (44) is communicated with the inner cavity of the neutralization tank (12), the water outlet end of the second output pipe (44) is connected with a water pump, the water outlet end of the water pump is connected with a water distribution pipe (17) through a pipeline, the water distribution pipe (17) is arranged at the top of one side of the artificial wetland pool (13) close to the neutralization pool (12), and one side of the water distribution pipe (17) close to the artificial wetland pool (13) is connected with a plurality of water distribution pipes extending to the interior of the artificial wetland pool (13), and sand filter layers (14) are arranged on two sides of the artificial wetland pool (13), the water distribution pipe extends into the sand filter layers (14), and a matrix layer (15) is arranged between the two sand filter layers (14).
10. The use method of the ecological breeding type rural sewage treatment device according to any one of claims 1 to 9, is characterized by comprising the following steps;
firstly, sewage is input into a pretreatment tank (11) through a sewage input pipe (32), the sewage enters a sedimentation chamber (22) through a filter plate (23), then is conveyed into a neutralization tank (12) from a first output pipe (33), acid-base neutralization liquid enters the neutralization tank (12) through a liquid conveying pipe and an annular feeding pipe (43), and the sewage is mixed with the acid-base neutralization liquid and then is conveyed into an artificial wetland tank (13) through a water conveying piece;
step two, when the sewage is conveyed to the pretreatment tank (11), the driving tank (29) is started to work, the screw rod (27) rotates forwards and backwards to drive the moving rod (26) to reciprocate at the top of the pretreatment tank (11), the cleaning rod (24) cleans sundries at the top of the filter plate (23) to the top of the partition plate (20), and the filtered sewage enters the sedimentation chamber (22); in the process of horizontal reciprocating motion of the movable rod (26), the pull rod (35) drives the rotary disc (36) to rotate around the axis of the positioning column (42) in a reciprocating mode, so that the stirring rod (40) mixes the sewage and the acid-base neutralization solution;
step three, the sewage enters the artificial wetland pool (13), then enters the substrate layer (15) for planting plants through the sand filter layer (14), and the sewage absorbed by the sand filter layer (14), the plants and the substrate layer (15) can be discharged through the drain pipe (16).
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| US7416668B1 (en) * | 2007-03-27 | 2008-08-26 | Earth Renaissance Technologies, Llc | Wastewater chemical/biological treatment plant recovery apparatus and method |
| CN108751595A (en) * | 2018-06-22 | 2018-11-06 | 衢州学院 | A method of utilizing Sewage treatment in constructed wetland |
| AU2020100085A4 (en) * | 2019-07-08 | 2020-02-20 | Agro‑Environmental Protection Institute, Ministry of Agriculture and Rural Affairs of the People's Republic of China | Rainwater and domestic water reutilization system |
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Application publication date: 20220708 |