Multipurpose vertical sewage treatment device
By integrating UASB and A/O functions, the multi-purpose vertical wastewater treatment unit solves the problems of high cost and singleness caused by separate infrastructure construction of traditional equipment, realizes flexible adjustment of equipment functions and saves additional purchase costs, and improves the economy and flexibility of the system.
Patent Information
- Application Number
- CN202520102075.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Traditional UASB and A/O equipment require separate infrastructure construction, resulting in high investment and construction complexity. Furthermore, the wastewater treatment equipment has limited functionality, and system adjustments and additional purchases are costly.
Design a multi-purpose vertical wastewater treatment device that integrates UASB and A/O functions. By rationally arranging components such as water distribution tank, tank body, effluent weir, three-phase separator, aerator, and sludge bed, the device can achieve flexible adjustment of functions, reducing infrastructure investment and construction difficulty.
This enables the equipment to serve multiple purposes, reduces infrastructure investment and construction difficulty, saves additional purchase costs, and improves the system's flexibility and economy.
Smart Images
Figure CN223752547U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of sewage treatment equipment, and particularly relates to a multipurpose vertical sewage treatment device. BACKGROUND
[0002] The A / O process is a mature bio-chemical sewage treatment process, which removes organic substances and polluting substances such as nitrogen and phosphorus under anaerobic conditions, and then performs oxidation and biochemical treatment under aerobic conditions, so as to finally achieve the effect of removing the polluting substances; the A / O process connects the front-stage anoxic section and the rear-stage aerobic section together, the DO in the A section is not greater than 0.2 mg / L, the DO in the O section is 2-4 mg / L, the heterotrophic bacteria in the anoxic section hydrolyze the starch, fiber, carbohydrate and other suspended pollutants and soluble organic substances in the sewage into organic acids, so that the macromolecular organic substances are decomposed into small-molecular organic substances, and the insoluble organic substances are converted into soluble organic substances, when the products hydrolyzed in the anoxic section enter the aerobic tank for aerobic treatment, the biodegradability of the sewage is improved, and the oxygen efficiency is improved; the heterotrophic bacteria in the anoxic section ammonify the protein, fat and other pollutants (N on the organic chain or amino in the amino acid) to free ammonia (NH3, NH4+), under sufficient oxygen supply conditions, the autotrophic bacteria oxidize NH3-N (NH4+) to NO3- by nitrification, and the NO3- is returned to the A tank by reflux control, under the anoxic condition, the heterotrophic bacteria reduce the NO3- to molecular nitrogen (N2) by denitrification, so that the C, N and O in the ecology are recycled, and the sewage is harmlessly treated;
[0003] The UASB (Upflow Anaerobic Sludge Blanket) is a high-efficiency biological treatment technology, which is mainly used for treating sewage and organic wastewater, and it realizes the purification and resource utilization of the wastewater by decomposing the organic substances in the organic wastewater into methane and carbon dioxide under anaerobic conditions by using microorganisms; the working principle of the UASB treatment is that the sewage passes through the reactor from bottom to top, there is a sludge blanket with high concentration and high activity at the bottom of the reactor, most of the organic pollutants in the sewage are degraded into methane and carbon dioxide by anaerobic fermentation in the sludge blanket; a three-phase separator is arranged at the upper part of the reactor, which is used for separating the digestion gas, the digestion liquid and the sludge particles, the digestion gas is led out from the top of the reactor; the sludge particles automatically slide and settle to the sludge blanket at the bottom of the reactor; the digestion liquid is discharged from the clarification zone; and the UASB treatment has the following characteristics:
[0004] High treatment efficiency: due to the high sludge concentration and short hydraulic retention time in the reactor, the treatment efficiency is significantly improved;
[0005] Low operation cost: no aeration equipment is needed, and the energy consumption is low;
[0006] Small land occupation: compared with other treatment processes, the land occupation of the UASB reactor is smaller;
[0007] Strong adaptability: suitable for treating various organic wastewater, including high-concentration organic wastewater;
[0008] In summary, the UASB treatment technology is an efficient, economical and environmentally friendly wastewater treatment method, widely used in various industries, and has important significance for realizing the resource utilization of wastewater and environmental protection;
[0009] The traditional sewage treatment system is generally composed of multiple UASB and multiple A / O, and when the workload of UASB or the demand of A / O increases, the corresponding equipment needs to be purchased, and the application aims to provide a multipurpose sewage treatment device which can be used as UASB and A / O, and can be flexibly changed in actual use, saving the purchase cost. Practical new type
[0010] The purpose of the application is to provide a multipurpose vertical sewage treatment device, the traditional UASB equipment and A / O equipment need to be built separately, the investment of infrastructure is higher, and the construction complexity is higher, the application first combines UASB and A / O functions, which can be flexibly adjusted in actual use, achieving the purpose of one machine with multiple functions, the investment cost of infrastructure is relatively low, and the infrastructure project does not need to be designed and constructed according to the requirements of UASB and A / O, the application only needs to be constructed according to one version, and the difficulty of infrastructure is significantly reduced.
[0011] In order to solve the technical problems of high difficulty and high cost of separate infrastructure of UASB and A / O in the prior art, and the single function structure of sewage treatment equipment and high cost of sewage treatment system adjustment and purchase, the application provides a multipurpose vertical sewage treatment device, which comprises a water distribution tank and a tank body; the water distribution tank is communicated with a sewage pipeline, and the sewage pipeline is provided with a third valve; the tank body is sequentially arranged from top to bottom with a water outlet weir, a three-phase separator, an aerator and a sludge bed;
[0012] The tank body is provided with a water outlet at the position of the water outlet weir, and the water outlet is communicated with the water distribution tank through a water outlet pipeline;
[0013] The tank body is provided with a sludge backflow port at the position of the three-phase separator, and the sludge backflow port is communicated with the water distribution tank through a backflow pipeline;
[0014] The tank body is provided with an air inlet at the position of the aerator, and the aerator is communicated with an external aeration air pipe through the air inlet;
[0015] The tank body is provided with a sludge discharge port at the position of the sludge bed, and a water distribution system is arranged between the water distribution tank and the sludge bed.
[0016] Further, the application provides a multi-purpose vertical sewage treatment device, wherein a combined filler or MBR membrane is arranged between the three-phase separator and the aerator.
[0017] Further, the application provides a multi-purpose vertical sewage treatment device, wherein the backflow pipeline bypasses the sludge discharge pipeline, the sludge discharge pipeline is provided with a first valve, and a pipeline section of the backflow pipeline between the sludge discharge pipeline and the water distribution tank is provided with a second valve.
[0018] Further, the application provides a multi-purpose vertical sewage treatment device, wherein the water outlet pipeline bypasses the subsequent wastewater treatment pipeline, a pipeline section of the water outlet pipeline between the subsequent wastewater treatment pipeline and the water distribution tank is provided with a fourth valve, and the subsequent wastewater treatment pipeline is provided with a fifth valve.
[0019] Further, the application provides a multi-purpose vertical sewage treatment device, wherein the water distribution system comprises a water pump, a water distribution tank and a plurality of water distribution pipelines, the water pump is arranged between the water distribution tank and the water distribution tank, the outer end of the water distribution pipeline is communicated with the water distribution tank, and the inner end extends above the sludge bed; the inner ends of the plurality of water distribution pipelines are uniformly distributed above the sludge bed, the inner ends of the water distribution pipelines are divided into two branch pipelines, the end of each branch pipeline is sleeved with a tower joint, and the tower joint vertically points to the sludge bed; the purpose of the tower joint is to make the water flow obtain greater impact force, which is beneficial to the full contact of sewage and sludge.
[0020] Further, the application provides a multi-purpose vertical sewage treatment device, wherein a flow meter and an adjusting valve are connected in series on the pipeline of each water distribution pipeline.
[0021] Further, the application provides a multi-purpose vertical sewage treatment device, wherein a plurality of conical caps are arranged at the bottom of the sludge bed, the conical caps are welded to the bottom of the tank body, and the tower joint directly faces the tip of the conical cap; the purpose of this design is to facilitate the diffusion of water flow, fully stir the sludge of the sludge bed, and avoid sludge deposition at the bottom.
[0022] Further, the application provides a multi-purpose vertical sewage treatment device, wherein a plurality of vertical columns are arranged in the tank body, the top ends of the plurality of vertical columns support a funnel platform, the middle sections of the vertical columns fix the aerator, and the three-phase separator is fixed to the inner wall of the funnel platform through bolts.
[0023] Further, the application provides a multi-purpose vertical sewage treatment device, wherein the upper edge of the funnel platform is welded to the inner wall of the tank body, a plurality of biogas discharge outlets are arranged near the upper edge of the funnel platform, and the biogas discharge outlets are communicated with the biogas pipeline of the three-phase separator.
[0024] Compared with the prior art, the application has the following advantages: on the one hand, the sewage treatment device of the application is multipurpose, when more UASB or A / O is needed in the whole sewage treatment system, the traditional method is to purchase corresponding equipment, the present application can convert part of the A / O into UASB use, or convert part of the UASB into A / O use, which greatly saves the cost of additional purchase, and saves the capital construction cost brought by system reconstruction; on the other hand, the equipment of the application does not need to be constructed separately according to UASB and A / O at the beginning of system construction, only one version of construction is needed, and the construction difficulty is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS
[0025] Fig. 1 It is a structural schematic view of the multipurpose vertical sewage treatment device of the application;
[0026] Fig. 2 It is a structural schematic view of the water distribution system in the multipurpose vertical sewage treatment device of the application;
[0027] Fig. 3 It is a structural schematic view of the branch pipe in the water distribution system in the multipurpose vertical sewage treatment device of the application.
[0028] Wherein: 1, water distribution tank; 2, tank body; 3, sewage pipeline; 4, third valve; 5, water outlet weir; 6, three-phase separator; 7, aerator; 8, sludge bed; 9, water outlet; 10, water outlet pipeline; 11, subsequent wastewater treatment pipe; 12, fourth valve; 13, fifth valve; 14, sludge return port; 15, return pipeline; 16, sludge discharge pipeline; 17, first valve; 18, second valve; 19, aeration air pipe; 20, sludge discharge port; 21, water pump; 22, water distribution tank; 23, water distribution pipe; 24, branch pipe; 25, pagoda joint; 26, flow meter; 27, conical cap; 28, stand column; 29, funnel platform; 30, combined filler or MBR membrane. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.
[0030] In the description of the utility model, it is necessary to explain that, the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and so on indicate the position relation or position relation based on the position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the limitation to the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0031] In the description of the utility model, it is necessary to explain that, unless otherwise specified and limited, the terms "installation", "setting", "connection" and so on should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0032] The specific embodiment of the utility model is described in detail below in combination with the drawings, and the technical effects that the utility model can achieve are further explained.
[0033] As shown in Figs. 1-3 The utility model provides a multipurpose vertical sewage treatment device, which comprises a water distribution tank 1 and a tank body 2, the water distribution tank 1 is communicated with a sewage pipeline 3, the sewage pipeline 3 is provided with a third valve 4, the tank body 2 is sequentially arranged from top to bottom with a water outlet weir 5, a three-phase separator 6, an aerator 7 and a sludge bed 8,
[0034] The tank body 2 is provided with a water outlet 9 at the position of the water outlet weir 5, the water outlet 9 is communicated with the water distribution tank 1 through a water outlet pipeline 10, the water outlet pipeline 10 bypasses a subsequent wastewater treatment pipeline 11, the water outlet pipeline 10 is provided with a fourth valve 12 at the pipe section between the subsequent wastewater treatment pipeline 11 and the water distribution tank 1, and the subsequent wastewater treatment pipeline 11 is provided with a fifth valve 13.
[0035] The tank body 2 is provided with a sludge backflow port 14 at the position of the three-phase separator 6, the sludge backflow port 14 is communicated with the water distribution tank 1 through a backflow pipeline 15, the backflow pipeline 15 bypasses a sludge discharge pipeline 16, the sludge discharge pipeline 16 is provided with a first valve 17, and the backflow pipeline 15 is provided with a second valve 18 at the pipe section between the sludge discharge pipeline 16 and the water distribution tank 1,
[0036] The tank body 2 is provided with an air inlet at the position of the aerator 7, and the aerator 7 is communicated with an external aeration air pipe 19 through the air inlet.
[0037] The tank body 2 is provided with a sludge discharge port 20 at the position of the sludge bed 8, and a water distribution system is arranged between the water distribution tank 1 and the sludge bed 8; the water distribution system comprises a water pump 21, a water distribution tank 22 and a plurality of water distribution pipes 23, the water pump 21 is arranged between the water distribution tank 1 and the water distribution tank 22, the outer end of the water distribution pipe 23 is communicated with the water distribution tank 22, and the inner end extends to above the sludge bed 8; the inner ends of the plurality of water distribution pipes 23 are evenly distributed above the sludge bed 8, the inner ends of the water distribution pipes 23 are divided into two branch pipes 24, the end of each branch pipe 24 is sleeved with a tower joint 25, and the tower joint 25 vertically points to the sludge bed 8; a flow meter 26 and an adjusting valve are connected in series on the pipeline of each water distribution pipe 23; a plurality of conical caps 27 are arranged at the bottom of the sludge bed 8, the conical cap 27 is welded to the bottom of the tank body 2, and the tower joint 25 is opposite to the tip of the conical cap 27; in use, the water pump 21 transports the sewage in the water distribution tank 1 to the water distribution tank 22, the adjusting valves on each water distribution pipe 23 are adjusted to keep the flow entering the tank body 2 consistent, and the structure of the flow meter 26 mentioned in the embodiment is not limited;
[0038] As shown in Fig. 1 The tank body 2 in the embodiment is provided with a plurality of stand columns 28, the top ends of the plurality of stand columns 28 support a funnel platform 29, and the middle sections of the plurality of stand columns 28 fix the aerator 7; the three-phase separator 6 is fixed to the inner wall of the funnel platform 29 through bolts; the upper edge of the funnel platform 29 is welded to the inner wall of the tank body 2, a plurality of biogas discharge ports are arranged at the position close to the upper edge of the funnel platform 29, and the biogas discharge ports are communicated with the biogas pipeline of the three-phase separator 6;
[0039] In order to further improve the sedimentation effect, the combined filler or MBR membrane 30 is arranged between the three-phase separator 6 and the aerator 7; a filler support platform is arranged at the section of the stand column 28 between the aerator 7 and the funnel platform 29, and the combined filler or MBR membrane 30 can be installed on the filler support platform.
[0040] The multipurpose vertical sewage treatment device provided by the embodiment can be used as UASB by closing the first valve 17, the second valve 18 and the aerator 7, and adjusting the water outlet proportion of the fourth valve 12 and the fifth valve 13; when used as A / O, the position below the aerator 7 is used as an anoxic zone, the position between the aerator 7 and the three-phase separator 6 is used as an aerobic zone, and the position from the three-phase separator 6 to the water outlet weir 5 is used as a sludge-water separation zone.
[0041] The parts not described in the utility model are known to those skilled in the art.
[0042] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor based on the concept of the present application. Therefore, any technical solutions obtained by logical analysis, reasoning or limited experiments based on the existing technology within the concept of the present application shall be within the protection scope defined by the claims.
Claims
1. A multi-purpose vertical sewage treatment device, characterized in that, The application relates to a sewage treatment device, which comprises a water distribution tank and a tank body; the water distribution tank is communicated with a sewage pipeline, and a third valve is arranged in the sewage pipeline; a water outlet weir, a three-phase separator, an aerator and a sludge bed are sequentially arranged in the tank body from top to bottom; A water outlet is arranged at the position of the water outlet weir of the tank body, and the water outlet is communicated with the water distribution tank through a water outlet pipeline; A sludge backflow port is arranged at the position of the three-phase separator of the tank body, and the sludge backflow port is communicated with the water distribution tank through a backflow pipeline; An air inlet is arranged at the position of the aerator of the tank body, and the aerator is communicated with an external aeration air pipe through the air inlet; A sludge discharge port is arranged at the position of the sludge bed of the tank body, and a water distribution system is arranged between the water distribution tank and the sludge bed.
2. The multipurpose vertical sewage treatment device according to claim 1, characterized in that, Combined fillers or MBR membranes are arranged between the three-phase separator and the aerator.
3. The multipurpose vertical sewage treatment device according to claim 1, characterized in that, The backflow pipeline bypasses a sludge discharge pipeline, the sludge discharge pipeline is provided with a first valve, and a second valve is arranged in the pipeline section of the backflow pipeline and located between the sludge discharge pipeline and the water distribution tank.
4. The multipurpose vertical sewage treatment device according to claim 1, characterized in that, The water outlet pipeline bypasses a subsequent wastewater treatment pipeline, a fourth valve is arranged in the pipeline section of the water outlet pipeline and located between the subsequent wastewater treatment pipeline and the water distribution tank, and a fifth valve is arranged in the subsequent wastewater treatment pipeline.
5. The multipurpose vertical sewage treatment device according to claim 1, wherein The water distribution system comprises a water pump, a water distribution tank and a plurality of water distribution pipelines, the water pump is arranged between the water distribution tank and the water distribution tank, the outer end of the water distribution pipeline is communicated with the water distribution tank, and the inner end extends to above the sludge bed; the inner ends of the plurality of water distribution pipelines are arranged above the sludge bed, the inner ends of the water distribution pipelines are divided into two branch pipelines, a bonnet joint is arranged at the tail end of each branch pipeline, and the bonnet joint vertically points to the sludge bed.
6. The multipurpose stand-type sewage treatment device according to claim 5, wherein A flow meter and an adjusting valve are arranged in series on the pipeline of each water distribution pipeline.
7. The multipurpose vertical sewage treatment device according to claim 5, wherein A plurality of conical caps are arranged at the bottom of the sludge bed, the conical caps are welded to the bottom of the tank body, and the bonnet joint directly faces the conical tip of the conical cap.
8. The multipurpose vertical sewage treatment device according to claim 1, wherein A plurality of stand columns are arranged in the tank body, the top ends of the plurality of stand columns support a funnel platform, the middle sections of the plurality of stand columns fix the aerator, and the three-phase separator is fixed to the inner wall of the funnel platform through bolts.
9. The multipurpose stand-type sewage treatment device according to claim 8, characterized by An edge of the funnel platform is welded to the inner wall of the tank body, a plurality of biogas discharge ports are arranged at the position close to the edge of the funnel platform, and the biogas discharge ports are communicated with a biogas pipeline of the three-phase separator.