CN120647015B - Solid-liquid anaerobic treatment device for bio-fertilizer wastewater - Google Patents
Solid-liquid anaerobic treatment device for bio-fertilizer wastewaterInfo
- Publication number
- CN120647015B CN120647015B CN202511107057.6A CN202511107057A CN120647015B CN 120647015 B CN120647015 B CN 120647015B CN 202511107057 A CN202511107057 A CN 202511107057A CN 120647015 B CN120647015 B CN 120647015B
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- liquid
- fixedly connected
- pipe
- conical
- groove
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention relates to the technical field of wastewater treatment devices, and discloses a solid-liquid anaerobic treatment device for bio-fertilizer wastewater, wherein a conical water distributor is arranged at the bottom of the inner wall of the wastewater treatment tank, a driving part is arranged above the conical water distributor, a separating part is arranged at the upper end of the driving part, and when the device is in operation, biogas bubble breaking and sludge particle separation are realized by using conical frame, liquid discharging hole and ring groove designs, liquid is reversely poured when a lifting ring descends, dredging of the liquid discharging hole and blowing-off of the sludge particles are completed, self-cleaning circulation is formed, the solid-liquid separation efficiency is improved, blocking is prevented, a self-driven lifting separation structure is adopted, a rotating rod and a reciprocating screw rod are driven to operate by using a water inlet flow impact fan blade, a connecting ring, a hollow rod and the separating part are driven to lift, no extra power is needed, and finally the cooperative operation of bubble breaking, sludge interception and liquid backflow is realized, and anaerobic treatment stability is optimized.
Description
Technical Field
The invention relates to the technical field of wastewater treatment devices, in particular to a solid-liquid anaerobic treatment device for biological fertilizer wastewater.
Background
The biological fertilizer wastewater contains a large amount of organic matters, the direct discharge can cause environmental pollution, the anaerobic treatment technology becomes a common treatment method because the organic matters can be degraded and methane is generated, but the traditional anaerobic treatment technology has the problems of long sludge residence time, low organic load rate and the like, and meanwhile, the biological fertilizer wastewater has higher solid content and is easy to block a pipeline, so that a special solid-liquid anaerobic treatment device is needed to improve the treatment efficiency and stability.
The invention discloses an anaerobic treatment device for intensive pig raising wastewater, which comprises a shell, wherein a water inlet pipe is arranged on one side of the shell, a water outlet pipe is arranged on the other side of the shell, a water flow mechanism is arranged in the shell, the water inlet pipe corresponds to one side of the water flow mechanism, a mounting cover mechanism is arranged on the shell and comprises a cover plate, a dosing piece, a separation component and a separation plate, the cover plate is arranged on the shell, the separation plate is arranged in the cover plate, the upper part of the cover plate is divided into a pre-collecting area by the separation plate, an exhaust pipe is arranged on the cover plate, the separation component is arranged in the cover plate, the dosing piece is fixedly arranged on the cover plate, and one end of the dosing piece penetrates out of the separation plate.
Aiming at the prior related technology, the inventor considers that the prior anaerobic treatment device and the prior comparison document have the defects that when methane is collected, the methane can drive sludge to be disturbed, part of sludge particles can be wrapped on bubbles, the sludge particles are inconvenient to separate, and finally the collected methane is impure and the sludge is lost.
Disclosure of Invention
The invention aims to solve the technical problems that in the anaerobic treatment operation in the prior art, biogas is wrapped with bubbles and is inconvenient to separate and collect, and therefore, the invention provides a solid-liquid anaerobic treatment device for biological fertilizer wastewater.
In order to achieve the aim, the application adopts the following technical scheme that the solid-liquid anaerobic treatment device for the bio-fertilizer wastewater comprises a wastewater treatment tank, wherein the outer side of the wastewater treatment tank is fixedly connected with a water inlet pipe, the bottom of the inner wall of the wastewater treatment tank is provided with a conical water distributor, a driving part is arranged above the conical water distributor, and the upper end of the driving part is provided with a separation part for breaking biogas bubbles;
The separating component comprises a lifting ring which is connected to the inner wall of the wastewater treatment tank in a sliding manner, a conical frame is fixedly connected to the bottom surface of the lifting ring, a liquid discharge hole is fixedly connected to the bottom surface of the conical frame, a liquid discharge pipe is fixedly connected to the bottom end of the conical frame, a conical cover is fixedly connected to the outer side of the liquid discharge pipe, an annular groove is further formed in the upper surface of the conical cover, the conical cover is matched with the conical frame to form a hollow groove with the liquid discharge pipe, a transverse plate is fixedly connected to the inner wall of the lifting ring, and a liquid injection component for backflow liquid supply is arranged on the upper surface of the lifting ring.
Preferably, the notch below the drain hole is larger than the notch above it.
Preferably, the outside of the liquid discharge pipe is provided with a liquid discharge groove, one side opening of the liquid discharge groove is arranged corresponding to the hollow groove, and the other side opening penetrates through the bottom side of the liquid discharge pipe.
Preferably, the driving part comprises a protection pipe fixedly connected to the upper surface of the conical water distributor, a rotating rod is rotatably connected inside the protection pipe, the bottom end of the rotating rod is arranged inside the conical water distributor, fan blades are fixedly connected to the outer side of the bottom end of the rotating rod, a liquid seal is arranged between the rotating rod and the protection pipe, a reciprocating screw rod is fixedly connected to the upper surface of the rotating rod, a connecting ring is connected to the outer side of the reciprocating screw rod in a threaded manner, the connecting ring is arranged inside the protection pipe, a hollow rod is fixedly connected to the upper surface of the connecting ring, the hollow rod penetrates through the protection pipe, a liquid seal is arranged at the joint of the hollow rod and the protection pipe, and the outer side of the hollow rod is fixedly connected with the reciprocating screw rod.
Preferably, the bottom surface of the liquid discharge pipe is also provided with a lifting groove, and the protection pipe is connected inside the lifting groove in a sliding way.
Preferably, the limiting groove is formed in the inner wall of the protection tube, the limiting block is fixedly connected to the outer side of the connecting ring, and the limiting block is slidably connected to the inside of the limiting groove.
Preferably, the waste water treatment jar inner wall fixedly connected with solid fixed ring, annotate the ejector pin of liquid subassembly including fixed connection in solid fixed ring bottom surface, lift ring upper surface fixedly connected with stock solution pipe, ejector pin bottom surface fixedly connected with clamp plate, clamp plate sliding connection are inside the stock solution pipe, and the stock solution pipe bottom surface is provided with one-way pressure valve B, and the arc cistern has been seted up to the lift intra-annular side, and the arc cistern corresponds the setting with one-way pressure valve B.
Preferably, a one-way pressure valve A is arranged on the outer side of the liquid storage pipe.
Preferably, a partition plate is fixedly connected between the conical frame and the conical cover, and the notch above the annular groove is larger than the notch below the annular groove.
Preferably, the upper end of the wastewater treatment tank is provided with a three-phase separator, the outer side of the wastewater treatment tank is fixedly connected with a water outlet pipe, and the water outlet pipe is correspondingly arranged with the three-phase separator.
The invention has the technical effects and advantages that:
According to the invention, on one hand, by means of bubble breaking, backflow and cleaning, biogas bubble breaking and sludge particle separation are realized by means of the design of the conical frame, the liquid discharge hole and the annular groove, liquid is reversely poured in when the lifting ring descends, dredging of the liquid discharge hole and blowing of the sludge particle are completed, self-cleaning circulation is formed, solid-liquid separation efficiency is improved, and blocking is prevented.
On the other hand, the self-driven lifting separation structure is adopted, the inflow is utilized to impact the fan blades, the rotating rod and the reciprocating screw rod are driven to operate, the connecting ring, the hollow rod and the separation part are driven to lift, extra power is not needed, the cooperative operation of bubble crushing, sludge interception and liquid backflow is realized, and the anaerobic treatment stability is optimized.
Drawings
The disclosure of the present invention is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts:
FIG. 1 is a schematic view of the overall structure of the device of the present invention;
FIG. 2 is a schematic view of the internal structure of the wastewater treatment tank of the present invention;
FIG. 3 is a schematic view of the structure of the separating member of the present invention;
FIG. 4 is a schematic view of a drain pipe and a conical cover according to the present invention;
FIG. 5 is a schematic view of the top structure of a conical frame according to the present invention;
FIG. 6 is a schematic view of the bottom structure of a conical frame according to the present invention;
FIG. 7 is a schematic view of the driving component structure of the present invention;
FIG. 8 is a schematic diagram of a liquid injection assembly according to the present invention;
fig. 9 is a cross-sectional view of the water flow movement state diagram of the present invention.
The illustration is 1, a wastewater treatment tank, 11, a water inlet pipe, 12, a water outlet pipe, 13, a three-phase separator, 2, a separation part, 21, a lifting ring, 22, a conical frame, 221, a liquid discharge hole, 222, a partition plate, 23, a transverse plate, 24, a liquid injection assembly, 241, a liquid storage pipe, 242, a push rod, 243, a pressing plate, 244, a one-way pressure valve A, 245, a one-way pressure valve B, 246, an arc-shaped liquid groove, 25, a fixed ring, 26, a liquid discharge pipe, 261, a liquid discharge groove, 262, a lifting groove, 27, a conical cover, 271, a ring groove, 3, a conical water distributor, 4, a driving part, 41, a rotary rod, 42, a fan blade, 43, a reciprocating screw rod, 44, a connecting ring, 45, a hollow rod, 46 and a protection pipe.
Detailed Description
It is to be understood that, according to the technical solution of the present invention, those skilled in the art may propose various alternative structural modes and implementation modes without changing the true spirit of the present invention. Accordingly, the following detailed description and drawings are merely illustrative of the invention and are not intended to be exhaustive or to limit the invention to the precise form disclosed.
Referring to figures 1-5, the invention provides a technical scheme that a solid-liquid anaerobic treatment device for bio-fertilizer wastewater comprises a wastewater treatment tank 1, wherein a water inlet pipe 11 is fixedly connected to the outer side of the wastewater treatment tank 1, a conical water distributor 3 is arranged at the bottom of the inner wall of the wastewater treatment tank 1, a driving part 4 is arranged above the conical water distributor 3, and a separation part 2 for breaking biogas bubbles is arranged at the upper end of the driving part 4;
The separating member 2 comprises a lifting ring 21 which is slidably connected to the inner wall of the wastewater treatment tank 1, a conical frame 22 is fixedly connected to the bottom surface of the lifting ring 21, a liquid discharge hole 221 is fixedly connected to the bottom surface of the conical frame 22, a liquid discharge pipe 26 is fixedly connected to the bottom end of the conical frame 22, a conical cover 27 is fixedly connected to the outer side of the liquid discharge pipe 26, a circular groove 271 is formed in the upper surface of the conical cover 27, the conical cover 27 cooperates with the conical frame 22 and the liquid discharge pipe 26 to form a hollow groove, a transverse plate 23 is fixedly connected to the inner wall of the lifting ring 21, a liquid injection component 24 for backflow liquid supply is arranged on the upper surface of the lifting ring 21, in the anaerobic treatment process, the transverse plate 23 is driven to lift by a driving member 4, so that the lifting ring 21 and the conical frame 22 below are driven to lift, wastewater and biogas bubbles which flow upwards enter between the conical frame 22 and the conical cover 27 through the liquid discharge hole 221, larger bubbles are broken when the bubbles pass through the liquid discharge hole 221, part of the particles in the interior are blocked at the notch of the liquid discharge hole 221, the sludge particles entering the hollow groove falls down under the action of gravity, and the top surface of the conical frame 22 is blown down under the action, and the action of the particles in the hollow groove falls down on the top surface of the side of the circular groove 22, and the top surface of the liquid particles are blown down by the circular groove through the circular groove 21, and the liquid particles are blown down on the top surface of the circular groove, and the top surface of the particles and the particles are blown down by the liquid particles down.
Referring to fig. 1-8, in this embodiment, the notch below the drain hole 221 is larger than the notch above the drain hole, and by setting the small upper opening and the large lower opening of the drain hole 221, when the conical frame 22 moves downwards, bubbles gather into the drain hole 221, so that the bubbles are easy to break, and meanwhile, larger and more sludge particles can be blocked at the notch of the drain hole 221, so as to prevent the sludge particles from continuously rising.
The drain tank 261 has been seted up in the drain pipe 26 outside, drain tank 261 one side opening corresponds the setting with the cavity groove, the opposite side opening runs through drain pipe 26 downside, through drain tank 261's setting, when drain pipe 26 moves down, partial waste water can directly get into inside drain pipe 26 through drain tank 261's bottom opening, supplementary waste water is carried, drain tank 261 inner wall is provided with the barrier for assist let the bubble break, in the upwards removal in-process of toper frame 22, the liquid of top passes through annular 271 and gets into the cavity inslot, drain down the mud granule in the cavity groove through drain tank 261.
The driving part 4 comprises a protection pipe 46 fixedly connected to the upper surface of the conical water distributor 3, a rotating rod 41 is rotatably connected to the inside of the protection pipe 46, the bottom end of the rotating rod 41 is arranged inside the conical water distributor 3, a fan blade 42 is fixedly connected to the outer side of the bottom end of the rotating rod 41, a liquid seal is arranged between the rotating rod 41 and the protection pipe 46, the upper surface of the rotating rod 41 is fixedly connected with a reciprocating screw rod 43, a connecting ring 44 is connected to the outer side of the reciprocating screw rod 43 in a threaded manner, the connecting ring 44 is arranged inside the protection pipe 46, a hollow rod 45 is fixedly connected to the upper surface of the connecting ring 44, the hollow rod 45 penetrates through the protection pipe 46, a liquid seal is arranged at the joint of the hollow rod 45 and the protection pipe 46, the outer side of the hollow rod 45 is fixedly connected with the reciprocating screw rod 43, a water inlet pipe 11 water outlet is correspondingly arranged with the fan blade 42, in the water injection process, the water flow is impacted to drive the fan blade 42 and the rotating rod 41 to rotate, the protection pipe 46 is driven to synchronously rotate through the rotating rod 41, the reciprocating screw rod 43, the connecting ring 44 is driven to repeatedly lift, the hollow rod 45 is further, the hollow rod is driven to lift and the hollow rod 45, the lifting is fixedly and the hollow rod 43.
The bottom surface of the drain pipe 26 is also provided with a lifting groove 262, the protection pipe 46 is slidably connected inside the lifting groove 262, and the stable lifting of the conical frame 22 and the lifting ring 21 is ensured by the arrangement of the protection pipe 46.
The limiting groove is formed in the inner wall of the protection tube 46, the limiting block is fixedly connected to the outer side of the connecting ring 44 and is slidably connected to the inside of the limiting groove, and stable lifting of the connecting ring 44 is guaranteed through the arrangement of the limiting block and the limiting groove.
The inner wall fixedly connected with solid fixed ring 25 of waste water treatment jar 1, annotate liquid subassembly 24 includes the ejector pin 242 of fixed connection in solid fixed ring 25 bottom surface, lifting ring 21 upper surface fixedly connected with stock solution pipe 241, ejector pin 242 bottom surface fixedly connected with clamp plate 243, clamp plate 243 sliding connection is inside stock solution pipe 241, the stock solution pipe 241 bottom surface is provided with one-way pressure valve B245, the arc cistern 246 has been seted up to lifting ring 21 inboard, arc cistern 246 corresponds the setting with one-way pressure valve B245, when lifting ring 21 upwards moves the in-process, utilize lifting ring 21 to drive stock solution pipe 241 upwards to remove, utilize clamp plate 243 to extrude the liquid of stock solution pipe 241 inside, discharge from arc cistern 246 through one-way pressure valve B245, discharge from the hollow tank in the liquid of arc cistern 246 for the mud granule in the auxiliary discharge hollow tank and the mud granule in the apopore 221.
The outside of the liquid storage tube 241 is provided with a one-way pressure valve A244, the one-way pressure valve A244 is communicated with the inside of the liquid storage tube 241, and through the arrangement of the one-way pressure valve A244, when the lifting ring 21 moves downwards, negative pressure is generated inside the liquid storage tube 241 by utilizing the downward movement of the liquid storage tube 241, the treated wastewater is pumped into the inside of the liquid storage tube 241 by utilizing the one-way pressure valve A244 for supplementing liquid so as to be discharged later.
The division plate 222 is fixedly connected between the conical frame 22 and the conical cover 27, the notch above the annular groove 271 is larger than the notch below, the hollow groove is divided by the division plate 222, air bubbles are conveniently discharged and liquid is conveniently discharged, and more liquid can be conveniently led into the annular groove 271 when the notch above the annular groove 271 is larger than the notch below and the lifting ring 21 moves upwards.
The upper end of the wastewater treatment tank 1 is provided with a three-phase separator 13, the outer side of the wastewater treatment tank 1 is fixedly connected with a water outlet pipe 12, the water outlet pipe 12 is arranged corresponding to the three-phase separator 13, biogas is collected through the arrangement of the three-phase separator 13, and meanwhile, the treated liquid is discharged through the water outlet pipe 12.
As shown in fig. 9, the left side of fig. 9 is the descending process of the separating member 2, the liquid injection assembly 24 is in a suction state, the water inlet pipe 11 is matched with the descending process of the separating member 2, the right side of fig. 9 is the ascending process of the separating member 2, part of water is pushed upwards to be discharged from the water outlet pipe 12, the other part of water enters the hollow groove to assist in flushing, and meanwhile, the liquid injection assembly 24 is pressed into the water to perform flushing.
The working principle is that in the wastewater treatment process, the water outlet of the water inlet pipe 11 is correspondingly arranged with the fan blades 42, the fan blades 42 and the rotating rod 41 are driven to rotate through water flow impact, the protection pipe 46 plays a role in protection, the reciprocating screw rod 43 is driven to rotate through the rotating rod 41, the connecting ring 44 is driven to repeatedly lift and fall along with the reciprocating screw rod 41, the lifting effect of the transverse plate 23 and the conical frame 22 is realized through the lifting of the hollow rod 45, when the conical frame 22 descends, wastewater and biogas bubbles which flow upwards enter between the conical frame 22 and the conical cover 27 through the liquid discharge hole 221, larger bubbles are broken when the bubbles pass through the liquid discharge hole 221, part of sludge particles wrapped inside are scattered, the particles are intercepted at the notch of the liquid discharge hole 221, the sludge particles entering the hollow groove slide down along the top surface of the conical frame 22 under the action of gravity, and the wastewater and the bubbles are discharged upwards through the annular groove 271 under the action of initial power, and subsequently when the lifting ring 21 descends, the liquid above the wastewater treatment tank 1 reversely enters through the annular groove 271, on the one hand, the sludge particles blocking the top surface of the conical frame 22 and the sludge particles at the position of the liquid discharge hole 221 are blown off, on the other hand, the sludge particles adhering to the sludge particles are reduced, and the sludge particles are discharged through the liquid discharge groove 261;
in addition, when the lifting ring 21 moves upwards, the liquid storage tube 241 is driven to move upwards by the lifting ring 21, liquid in the liquid storage tube 241 is extruded by the pressing plate 243 and is discharged from the arc-shaped liquid tank 246 through the one-way pressure valve B245, and the liquid discharged from the arc-shaped liquid tank 246 is discharged from the hollow tank and used for assisting in discharging sludge particles in the hollow tank and sludge particles in the liquid discharge hole 221.
The technical scope of the present invention is not limited to the above description, and those skilled in the art may make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and these changes and modifications should be included in the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511107057.6A CN120647015B (en) | 2025-08-08 | 2025-08-08 | Solid-liquid anaerobic treatment device for bio-fertilizer wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511107057.6A CN120647015B (en) | 2025-08-08 | 2025-08-08 | Solid-liquid anaerobic treatment device for bio-fertilizer wastewater |
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| Publication Number | Publication Date |
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| CN120647015A CN120647015A (en) | 2025-09-16 |
| CN120647015B true CN120647015B (en) | 2025-11-14 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112939216A (en) * | 2020-12-30 | 2021-06-11 | 南京大学 | Organic wastewater built-in block anaerobic reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207918523U (en) * | 2017-12-18 | 2018-09-28 | 台州市永丰纸业有限公司 | A kind of IC anaerobic towers |
| CN210505752U (en) * | 2019-08-29 | 2020-05-12 | 江苏南大环保科技有限公司 | Novel solid-liquid-gas three-phase separation device |
| CN218811153U (en) * | 2022-10-28 | 2023-04-07 | 江苏天清世恒环保节能集团有限公司 | Non-blocking high-load anaerobic tower wastewater treatment device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112939216A (en) * | 2020-12-30 | 2021-06-11 | 南京大学 | Organic wastewater built-in block anaerobic reactor |
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