CN212954763U - Sewage treatment device - Google Patents
Sewage treatment device Download PDFInfo
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- CN212954763U CN212954763U CN202021731236.XU CN202021731236U CN212954763U CN 212954763 U CN212954763 U CN 212954763U CN 202021731236 U CN202021731236 U CN 202021731236U CN 212954763 U CN212954763 U CN 212954763U
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Abstract
The utility model provides a sewage treatment device, include: the tank body is hollow and is provided with an opening at the top end; the flow baffle comprises at least two sub flow baffles which are arranged in the inner space of the tank body; the flow guide plate comprises at least two sub flow guide plates, and the at least two sub flow guide plates are arranged between the at least two sub flow blocking plates along the horizontal direction; the inclined plates are obliquely arranged below the sub-guide plates, the upper ends of the inclined plates are connected with the lower ends of the sub-guide plates, and the horizontal cross-sectional area of the space between the inclined plates is increased along the direction close to the bottom of the tank body; the aeration device is arranged below the inclined plate and is positioned in the inner space of the tank body; and the water distributor is arranged below the aeration device. The anaerobic biochemical reaction, the aerobic biochemical reaction and the circulation sedimentation are combined into a whole by arranging corresponding equipment in the vertical direction, so that the occupied area of the whole sewage treatment system is smaller.
Description
Technical Field
The utility model relates to a sewage treatment technical field particularly, especially relates to a sewage treatment device.
Background
Due to the limitations of pipe network construction conditions, terrain environments and the like, many rural areas, highway service areas, newly-built remote areas and other areas where sewage cannot be collected and treated in a centralized manner are treated by integrated sewage treatment equipment. The existing integrated equipment mostly adopts improved A/O (anaerobic Oxic, anaerobic and aerobic process) A2The process includes processes such as Anaerobic-aerobic (Anaerobic-Anoxic-aerobic) process, Sequencing Batch Reactor (SBR), oxidation ditch, biological rotating disc, Membrane Bioreactor (MBR), Moving-Bed Biofilm Reactor (MBBR) and the like, and the processes are basically divided into zones for acting energy in the transverse direction, and have the problems of complex technology, large occupied area and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sewage treatment device, which aims to overcome the defect of the prior art and solves the problem that the occupied area of the sewage treatment device is large.
The utility model provides a sewage treatment device, include:
the tank body is hollow and is provided with an opening at the top end;
the flow baffle comprises at least two sub flow baffles which are arranged in the inner space of the tank body;
the flow guide plate comprises at least two sub flow guide plates, and the at least two sub flow guide plates are arranged between the at least two sub flow blocking plates along the horizontal direction;
the inclined plates are obliquely arranged below the sub-guide plates, the upper ends of the inclined plates are connected with the lower ends of the sub-guide plates, and the horizontal cross-sectional area of the space between the inclined plates is increased along the direction close to the bottom of the tank body;
the aeration device is arranged below the inclined plate and is positioned in the inner space of the tank body;
and the water distributor is arranged below the aeration device. Optionally, the tank body comprises a first cylinder part, a switching part and a second cylinder part which are sequentially arranged from top to bottom;
the baffle plate and the flow guide plate are both positioned in the first barrel part;
the inclined plate is positioned in the switching part;
the aeration device and the water distributor are both positioned in the second barrel part.
Optionally, the sewage treatment device further comprises an inclined plate filler, and the inclined plate filler is arranged on one surface of the flow baffle, which is far away from the flow guide plate, and is respectively connected with the flow baffle and the inner surface of the tank body; and one surface of the flow baffle, which is far away from the flow guide plate, is provided with an effluent overflow weir, and the effluent overflow weir is positioned above the inclined plate filler.
Optionally, the aeration device is arranged in the inner space of the second barrel part, an anoxic reaction zone is formed between the aeration device and the bottom of the tank body, an aerobic reaction zone is formed between the aeration device and the inclined plate, and biological fillers are arranged in the aerobic reaction zone.
Optionally, the horizontal cross section of the first cylinder part is rectangular, the horizontal cross section of the second cylinder part is circular, the upper end of the adapter part is connected with the lower end of the first cylinder part, and the lower end of the adapter part is connected with the upper end of the second cylinder part.
Optionally, a sludge return port is arranged between the lower end of the inclined plate and the inner surface of the tank body.
Optionally, a gas baffle is arranged below the sludge return port.
Optionally, the sewage treatment device further comprises a nitrifying liquid return pipeline, one end of the nitrifying liquid return pipeline is arranged in the inner space of the first barrel part and located between the at least two sub-guide plates, and the other end of the nitrifying liquid return pipeline is arranged at the bottom of the inner space of the second barrel part.
Optionally, the sewage treatment device further comprises a stirring device, and the stirring device is arranged at the bottom of the inner space of the second barrel part.
Optionally, the sewage treatment device further includes an effluent overflow weir, and the effluent overflow weir is disposed on one side of the sub flow baffle, which is far away from the ion flow baffle.
Compared with the prior art, the beneficial effects of the utility model include:
the inner space of the tank body is divided into a plurality of areas by corresponding equipment arranged in the vertical direction, the flow baffle plate, the flow guide plate and the inclined plate form a circulating sedimentation reaction area, an aerobic reaction area is formed between the aeration device and the inclined plate under the aeration action of the aeration device, and an anoxic reaction area is formed between the aeration device and the bottom of the tank. The sewage treatment device combines the anoxic biochemical reaction, the aerobic biochemical reaction and the circulation sedimentation into a whole in the vertical direction, so that the occupied area of the whole sewage treatment system is smaller, the sludge concentration and the volume load in the sewage treatment device can be improved, and the sewage treatment efficiency is effectively improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a sewage treatment apparatus provided in an embodiment of the present invention;
FIG. 2 is a partial sectional view of a sewage treatment apparatus provided in an embodiment of the present invention;
FIG. 3 is a schematic structural view of another angle of the sewage treatment apparatus provided in the embodiment of the present invention;
fig. 4 is an elevation view of the sewage treatment device provided by the embodiment of the utility model.
Description of reference numerals:
1-a pool body; 11-a first barrel portion; 12-a switching section; 13-a second cartridge;
21-a sub flow baffle; 22-a sub-deflector; 23-a sloping plate;
31-an aeration device;
41-water distributor;
51-sloping plate packing; 52-an effluent weir;
61-sludge return port; 62-air baffle;
71-a nitrifying liquid reflux pipeline; 72-stirring means.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Referring to fig. 1 to 4, as shown in fig. 1 to 4, the sewage treatment apparatus includes a tank body 1, a flow baffle, a flow guide plate, an inclined plate 23, an aeration device 31 and a water distributor 41. Cell body 1 cavity and top opening, cell body 1 include first section of thick bamboo portion 11, switching portion 12 and the second section of thick bamboo portion 13 that from top to bottom arranges in proper order, and the upper end of switching portion 12 is connected with the lower extreme of first section of thick bamboo portion 11, and the lower extreme of switching portion 12 is connected with the upper end of second section of thick bamboo portion 13, forms integrative cell body 1.
The inner space of the tank body 1 is provided with a flow baffle plate, which comprises at least two sub flow baffle plates 21, which are respectively connected with the inner surface of the tank body 1 and are positioned in the inner space of the tank body 1. The guide plate includes two piece at least sub-guide plates 22, and two sub-guide plates 22 are connected with 1 internal surface of cell body respectively, perhaps flow the board with shelves and be connected, and are located two piece at least and keep off between the board 21, and sub-guide plate 22 below is provided with swash plate 23, and the upper end of swash plate 23 is connected with sub-guide plate 22's lower extreme, and the horizontal cross section area in the space that forms between the swash plate 23 is along the direction increase of being close to 1 bottom of cell body, is big end down's shape. The baffle plate, the guide plate and the inclined plate 23 form a circulation sedimentation reaction zone. The aeration device 31 is arranged below the inclined plate 23 and is positioned in the inner space of the tank body 1, and the aeration device 31 is connected with a blower (not shown in the figure) outside the sewage treatment device through a pipeline so as to carry out aeration under the driving of the blower. A water distributor 41 is arranged below the aeration device 31, the water distributor 41 is positioned at the bottom of the inner space of the tank body 1, and the water distributor 41 is connected with a water inlet device (not shown in the figure) outside the sewage treatment device through a pipeline so as to introduce the sewage into the sewage treatment device.
In this embodiment, the baffle plate includes two sub baffle plates 21, and the baffle plate includes two sub baffle plates 22 as an example, as shown in fig. 2, the two sub baffle plates 21 are disposed in the inner space of the first cylindrical portion 11 in parallel, and the two sub baffle plates 22 are disposed between the two sub baffle plates 21 in parallel in the horizontal direction, and are parallel to the sub baffle plates 21 and located in the first cylindrical portion 11. The lower end of each sub-guide plate 22 is provided with an inclined plate 23, the inclined plate 23 is positioned in the adapter part 12, the side edge of the inclined plate 23 is connected with the inner surface of the tank body 1, the lower end of the inclined plate 23 is connected with the inner surface of the tank body 1, and a sludge return port 61 is arranged between the lower end of the inclined plate 23 and the inner surface of the tank body 1.
When sewage is treated, sewage enters the water distributor 41, water is uniformly discharged from the sewage treatment device through the water distributor 41, then the aeration device 31 is started, aerobic aeration of the aeration device 31 provides ascending power for the sewage in the sewage treatment device, meanwhile, due to the aeration effect, the oxygen content of the water body in the space above the aeration device 31 is higher, the space above the aeration device 31 and the inclined plate 23 forms an aerobic reaction zone, and the oxygen content in the space below the aeration device 31 and the bottom of the pool is lower, so that an anoxic reaction zone is formed.
After sewage is introduced into the sewage treatment device through the water distribution device, firstly, anoxic biological reaction is carried out in an anoxic reaction zone, then the sewage rises to the aerobic reaction zone to carry out aerobic biological reaction, the sewage continuously rises under the aeration lifting action of the aeration device 31 and enters a space between two sub-flow guide plates 22, then the sewage overflows from the upper surfaces of the sub-flow guide plates 22 to a position between the sub-flow guide plates 22 and the sub-flow baffle plates 21, the sewage sinks after being blocked by the sub-flow baffle plates 21, the sewage flows to a position between the sub-flow baffle plates 21 and the inner surface of the tank body 1 from the lower surfaces of the sub-flow baffle plates 21, then solid-liquid separation is carried out through the inclined plate 23, supernatant overflows from the top of the tank body 1, sludge naturally sinks under the action of the inclined plate 23 due to gravity and the action of the inclined plate 23, sinks to the.
In the above embodiment, the internal space of the tank body 1 is divided into a plurality of areas by arranging corresponding equipment in the vertical direction, the flow baffle plate, the flow guide plate and the inclined plate 23 form a circulation sedimentation reaction area, an aerobic reaction area is formed between the aeration device 31 and the inclined plate 23 under the aeration action of the aeration device 31, and an anoxic reaction area is formed between the aeration device 31 and the tank bottom. The sewage treatment device combines the anoxic biochemical reaction, the aerobic biochemical reaction and the circulation sedimentation into a whole in the vertical direction, so that the occupied area of the whole sewage treatment system is smaller, the sludge concentration and the volume load in the sewage treatment device can be improved, and the sewage treatment efficiency is effectively improved.
As shown in fig. 2 and 4, in some embodiments, the sewage treatment apparatus further includes an inclined plate filler 23 or an inclined tube filler, taking the inclined plate filler 23 as an example, the inclined plate filler 23 is disposed on a side of the flow baffle away from the flow baffle and is connected to the flow baffle and an inner surface of the tank body 1, respectively, the side of the flow baffle away from the flow baffle is further provided with an effluent overflow weir 52, and the effluent overflow weir 52 is located above the inclined plate filler 23. When sewage flows from the lower surface of the sub flow baffle 21 to the space between the sub flow baffle 21 and the inner surface of the tank body 1 for solid-liquid separation, sludge rising along with liquid is blocked by the inclined plate filler 23 and cannot rise and sink, and supernatant can pass through the inclined plate filler 23, so that the solid-liquid separation efficiency is improved, and the supernatant passing through the inclined plate filler 23 overflows from the effluent overflow weir 52.
In some embodiments, the aeration device 31 is disposed in the inner space of the second cylinder 13 below the inclined plate 23, the aeration device 31 can be a perforated pipe, an aeration plate, an aeration pipe, an aeration belt or a submersible aerator, etc. which can provide air, due to the aeration effect of the aeration device 31, the oxygen content of the water in the space above the aeration device 31 is higher, the space above the aeration device 31 to the inclined plate 23 forms an aerobic reaction zone, the oxygen content in the space below the aeration device 31 to the bottom of the tank is lower, an anoxic reaction zone is formed, and biological fillers are disposed in the aerobic reaction zone to retain microorganisms in the sewage to form a biological film, thereby improving the efficiency of sewage treatment.
In some embodiments, the horizontal cross section of the first cylindrical portion 11 is rectangular, the horizontal cross section of the second cylindrical portion 13 is circular, the upper end of the adapter portion 12 matches the horizontal cross section of the first cylindrical portion 11 and is connected to the lower end of the first cylindrical portion 11, the lower end of the adapter portion 12 matches the horizontal cross section of the second cylindrical portion and is connected to the upper end of the second cylindrical portion 13, and the length of the horizontal cross section of the first cylindrical portion 11 is equal to the diameter of the horizontal cross section of the second cylindrical portion 13.
In some embodiments, an air baffle plate 62 is disposed below the sludge return port 61 to reduce the ascending airflow generated by the aeration device 31 from entering the circulation sedimentation reaction zone through the sludge return port 61, thereby reducing the influence of the airflow on sludge sedimentation.
In some embodiments, the sewage treatment apparatus further comprises a nitrifying liquid return pipe 71, one end of the nitrifying liquid return pipe 71 is disposed in the inner space of the first cylinder part 11 between the sub-guide plates 22, and the other end is disposed in the inner space of the second cylinder part 13. When the sewage rises to the upper surfaces of the guide plate and the return pipeline 71, part of the sewage overflows from the guide plate to a position between the guide plate and the baffle plate, part of the sewage overflows to the nitrifying liquid return pipeline 71 and flows back to the bottom of the inner space of the second barrel part 13 from the nitrifying liquid return pipeline 71 to participate in the reaction again, so that the utilization rate of microorganisms in the sewage is improved, and the cost of sewage treatment is reduced.
In some embodiments, the stirring device 72 is disposed at the bottom of the inner space of the second cylindrical portion 13, the stirring device 72 may be a flow pushing device or a submersible stirrer, and the sludge settled at the bottom of the sewage treatment device tank 1 is sufficiently mixed with the sewage by the stirring action of the stirring device 72, so as to improve the sewage treatment efficiency.
It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A sewage treatment apparatus, comprising:
the tank body is hollow and is provided with an opening at the top end;
the flow baffle comprises at least two sub flow baffles which are arranged in the inner space of the tank body;
the flow guide plate comprises at least two sub flow guide plates, and the at least two sub flow guide plates are arranged between the at least two sub flow blocking plates along the horizontal direction;
the inclined plates are obliquely arranged below the sub-guide plates, the upper ends of the inclined plates are connected with the lower ends of the sub-guide plates, and the horizontal cross-sectional area of the space between the inclined plates is increased along the direction close to the bottom of the tank body;
the aeration device is arranged below the inclined plate and is positioned in the inner space of the tank body;
and the water distributor is arranged below the aeration device.
2. The sewage treatment device of claim 1, wherein the tank body comprises a first cylinder part, an adapter part and a second cylinder part which are sequentially arranged from top to bottom;
the baffle plate and the flow guide plate are both positioned in the first barrel part;
the inclined plate is positioned in the switching part;
the aeration device and the water distributor are both positioned in the second barrel part.
3. The sewage treatment device according to claim 2, further comprising an inclined plate filler, wherein the inclined plate filler is arranged on a surface of the flow baffle far away from the flow guide plate and is respectively connected with the flow baffle and the inner surface of the tank body; and one surface of the flow baffle, which is far away from the flow guide plate, is provided with an effluent overflow weir, and the effluent overflow weir is positioned above the inclined plate filler.
4. The sewage treatment device according to claim 2, wherein the aeration device is arranged in the inner space of the second barrel part, an anoxic reaction zone is formed between the aeration device and the bottom of the tank body, an aerobic reaction zone is formed between the aeration device and the inclined plate, and biological fillers are arranged in the aerobic reaction zone.
5. The sewage treatment apparatus according to claim 2, wherein the horizontal cross section of the first tubular portion is rectangular, the horizontal cross section of the second tubular portion is circular, an upper end of the adapter portion is connected to a lower end of the first tubular portion, and a lower end of the adapter portion is connected to an upper end of the second tubular portion.
6. The sewage treatment device according to claim 2, wherein a sludge return port is provided between the lower end of the inclined plate and the inner surface of the tank body.
7. The sewage treatment apparatus of claim 6, wherein an air baffle is arranged below the sludge return port.
8. The sewage treatment apparatus according to claim 2, further comprising a nitrified liquid return pipe, one end of the nitrified liquid return pipe being disposed in the inner space of the first cylinder and between the at least two sub-deflectors, and the other end of the nitrified liquid return pipe being disposed at the bottom of the inner space of the second cylinder.
9. The wastewater treatment apparatus according to claim 2, further comprising an agitation device provided at a bottom of the inner space of the second cylindrical section.
10. The wastewater treatment apparatus of claim 2, further comprising an effluent weir disposed on a side of the sub-baffle plate distal from the ion guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021731236.XU CN212954763U (en) | 2020-08-17 | 2020-08-17 | Sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021731236.XU CN212954763U (en) | 2020-08-17 | 2020-08-17 | Sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212954763U true CN212954763U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021731236.XU Active CN212954763U (en) | 2020-08-17 | 2020-08-17 | Sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212954763U (en) |
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2020
- 2020-08-17 CN CN202021731236.XU patent/CN212954763U/en active Active
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