Integrated biological reaction tank
By integrating anaerobic, anoxic, and aerobic reaction zones within a rectangular tank and optimizing wastewater flow using structures such as guide walls and agitators, the problems of large footprint and high energy consumption in existing technologies have been solved, achieving efficient and low-cost wastewater treatment.
Patent Information
- Application Number
- CN202520326639.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The existing wastewater treatment process, which separates wastewater into three stages—anaerobic, anoxic, and aerobic—has problems such as large land area, high engineering cost, and high energy consumption.
An integrated biological reactor is designed, which integrates anaerobic, anoxic, and aerobic reaction zones into a rectangular tank. The wastewater flows in a serpentine manner through structures such as guide walls, increasing the reaction time and the amount of microorganisms. The reaction effect is optimized by using underwater mixers and microporous aerators.
To improve processing efficiency within a limited space, reduce floor space and engineering costs, reduce energy consumption, and maintain good processing results.
Smart Images
Figure CN223852405U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment technical field especially is related to a kind of integrated biological reaction pool. BACKGROUND
[0002] Anaerobic anoxic aerobic activated sludge method is through anaerobic zone, anoxic zone and various combinations of aerobic zone and different reflux mode to remove organic pollutants and nitrogen, phosphorus and other activated sludge method sewage treatment method, it is a more mature, more widely used sewage treatment process.
[0003] In prior art, commonly used anaerobic-anoxic-aerobic zone is divided into three sections, but the combined pool body of the structure needs longer conveying pipeline and larger energy consumption for internal circulation between each section when denitrifying and dephosphorizing, and the overall land area is larger, and the engineering cost is higher. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of integrated biological reaction pool to solve the problems existing in prior art.
[0005] The utility model aims at realizing as follows: a kind of integrated biological reaction pool, including rectangular pool body, pool body is divided into first area, second area and third area from left to right by first longitudinal partition wall, second longitudinal partition wall, first area is divided into first front area and first rear area by horizontal partition wall, first front area, first rear area, second area and third area are communicated by water passage, underwater agitator is provided in first front area, longitudinal guide wall is provided in the middle of first rear area and second area, underwater thruster is provided on the both sides of longitudinal guide wall, arc guide wall is provided at the both ends of longitudinal guide wall, a plurality of horizontal guide walls are provided in third area, and microporous aerator is arranged at the bottom of third area.
[0006] The integrated biological reaction pool of the utility model integrates each reaction zone of sludge treatment in a pool body, and by the arrangement of guide wall, sewage is in the shape of snake in each reaction zone, and the contact reaction time is fully improved in limited space, and the treatment efficiency is improved, with the advantages of small land area, low engineering cost, good treatment effect, low treatment energy consumption and the like.
[0007] As further improvement of the utility model, first front area front wall is communicated with premixing pool, premixing pool is connected with sewage inlet pipe and sludge inlet pipe, and reflux passage and reflux pump are arranged between third area rear side and second area, so that part of sludge in third area (aerobic zone) can be refluxed to second area (anoxic zone), so as to increase the amount of microorganism in second area, and improve the reaction effect.
[0008] As a further improvement of the utility model, the first front area front wall and the premixing pool communication position are arranged at the lower right corner of the first front area, the underwater agitator is arranged at the lower left corner of the first front area, and the water passage between the first front area and the first rear area is arranged at the upper left corner of the transverse partition wall, thereby prolonging the flow path of sewage in the first front area (anaerobic area) and improving the reaction effect.
[0009] As a further improvement of the utility model, the third area rear side is provided with an overflow groove, the overflow groove is communicated with an overflow pool, the overflow pool is connected with a water outlet pipe, and the overflow groove facilitates the discharge of supernatant.
[0010] As a further improvement of the utility model, the microporous aerator is connected with the air blower through the aeration pipeline, and sufficient oxygen is provided for the aerobic reaction of the third area.
[0011] As a further improvement of the utility model, the number of transverse guide walls is a base number, and the number is not less than 5, thereby prolonging the residence time of sewage in the third area and ensuring the reaction effect in the limited space. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is an integrated biological reaction pool structure schematic view of the utility model.
[0013] Figure 2 It is Figure 1 A-A is attempted.
[0014] 1, the first longitudinal partition wall, 2, the second longitudinal partition wall, 3, the transverse partition wall, 4, the first front area, 5, the first rear area, 6, the second area, 7, the third area, 8, the underwater agitator, 9, the longitudinal guide wall, 10, the arc guide wall, 11, the underwater propeller, 12, the transverse guide wall, 13, the aeration pipeline, 14, the premixing pool, 15, the sewage inlet pipe, 16, the sludge inlet pipe, 17, the backflow pump, 18, the overflow groove, 19, the overflow pool, 20, the water outlet pipe, 21, the water passage. DETAILED DESCRIPTION
[0015] In the description of the utility model, it needs to be explained that the directions or position relations indicated by "front", "rear" and the like are defined according to the flow direction of sewage in the pool body; the directions or position relations indicated by "longitudinal", "transverse", "end", "side" and "left", "right" and the like are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the devices indicated must have a particular orientation, constructed in a particular orientation, so it cannot be understood as a limitation on the utility model.
[0016] As Figures 1-2The integrated biological reactor shown includes a rectangular tank body, which is divided from left to right into a first zone, a second zone, and a third zone, by a first longitudinal partition wall 1 and a second longitudinal partition wall 2. The first zone is further divided into a first front zone 4 and a first rear zone 5 by a transverse partition wall 3. The first front zone 4, the first rear zone 5, the second zone 6, and the third zone 7 are connected by a water passage 21. Wastewater flows along the first front zone 4, the first rear zone 5, the second zone 6, and the third zone 7. The first front zone 4 serves as the anaerobic reaction zone, the first rear zone 5 as the first anoxic reaction zone, the second zone 6 as the second anoxic reaction zone, and the third zone 7 as the aerobic reaction zone. Through an anaerobic-anoxic-aerobic reaction, the wastewater is treated.
[0017] The first front zone 4 is equipped with an underwater mixer 8. The front wall of the first front zone 4 is connected to the premixing tank 14, and the left and right sides of the premixing tank 14 are connected to the sewage inlet pipe 15 and the sludge inlet pipe 16. Specifically, the connection between the front wall of the first front zone 4 and the premixing tank 14 is located at the lower right corner of the first front zone 4, the underwater mixer 8 is located at the lower left corner of the first front zone 4, and the water passage 21 between the first front zone 4 and the first rear zone 5 is located at the upper left corner of the transverse partition wall 3, extending the flow path of sewage in the first front zone 4.
[0018] A longitudinal guide wall 9 is provided in the middle of the first rear zone 5 and the second zone 6. Arc-shaped guide walls 10 are provided at both ends of the longitudinal guide wall 9, and underwater propellers 11 are provided on both sides of the longitudinal guide wall 9 to extend the flow path of sewage in the first rear zone 5 and the second zone 6. Several transverse guide walls 12 are provided in the third zone 7. The number of transverse guide walls 12 is a minimum of 5 (in this embodiment, there are 7 transverse guide walls 12), extending the retention time of sewage in the third zone 7, thereby ensuring the reaction effect within a limited space. A microporous aerator (not shown) is provided at the bottom of the third zone 7. The microporous aerator is connected to a blower through an aeration pipe 13 to provide sufficient oxygen for the aerobic reaction in the third zone 7.
[0019] like Figure 1 As shown, a reflux channel is provided between the rear side of the third zone 7 and the second zone 6. A reflux pump 17 is installed at the reflux channel, which can reflux some of the sludge in the third zone 7 (aerobic zone) back to the second zone 6 (anoxic zone), thereby increasing the amount of microorganisms in the second zone 6 and improving the reaction effect. An overflow trough 18 is provided at the rear side of the third zone 7. The overflow trough 18 is connected to the overflow tank 19, and the overflow tank 19 is connected to the effluent pipe 20 to facilitate the discharge of the supernatant.
[0020] In summary, the integrated biological reactor of this embodiment integrates the various reaction zones of sludge treatment into one tank. Through the setting of guide walls and other features, the sewage flows in a serpentine manner within each reaction zone, which maximizes the contact reaction time and improves treatment efficiency within a limited space. It has the advantages of small footprint, low engineering cost, good treatment effect, and low energy consumption.
[0021] The utility model discloses not limited to the above embodiment, on the basis of the technical scheme disclosed in the utility model, the technical content disclosed in the utility model is not creative labor to replace and deformation to some technical features among them according to the technical content disclosed in the utility model, and these replacement and deformation are all within the protection scope of the utility model.
Claims
1. An integrated bioreactor tank comprising a rectangular tank body, characterized by: The pool body is divided into a first area, a second area and a third area from left to right by a first longitudinal partition wall and a second longitudinal partition wall, the first area is divided into a first front area and a first rear area by a transverse partition wall, the first front area, the first rear area, the second area and the third area are communicated through water passages, an underwater agitator is arranged in the first front area, longitudinal guide walls are arranged in the middle of the first rear area and the second area, underwater thrusters are arranged on both sides of the longitudinal guide walls, arc-shaped guide walls are arranged at both ends of the longitudinal guide walls, a plurality of transverse guide walls are arranged in the third area, and microporous aerators are arranged at the bottom of the third area.
2. The integrated bioreactor vessel of claim 1, wherein: The front wall of the first front area is communicated with a premixing pool, the premixing pool is connected with a sewage inlet pipe and a sludge inlet pipe, and a reflux passage and a reflux pump are arranged between the rear side of the third area and the second area.
3. The integrated bioreactor vessel of claim 2, wherein: The communication position of the front wall of the first front area with the premixing pool is arranged at the lower right corner of the first front area, the underwater agitator is arranged at the lower left corner of the first front area, and the water passage between the first front area and the first rear area is arranged at the upper left corner of the transverse partition wall.
4. The integrated bioreactor vessel of claim 1, wherein: The rear side of the third area is provided with an overflow tank, the overflow tank is communicated with an overflow pool, and the overflow pool is connected with a water outlet pipe.
5. The integrated bioreactor vessel of any of claims 1-4, wherein: The microporous aerators are connected with a blower through an aeration pipeline.
6. The integrated bioreactor vessel of any of claims 1-4, wherein: The number of the transverse guide walls is a cardinal number, and is not less than 5.