CN213771490U - Oxygen deficiency and good oxygen interactive reaction device - Google Patents
Oxygen deficiency and good oxygen interactive reaction device Download PDFInfo
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- CN213771490U CN213771490U CN202022053305.2U CN202022053305U CN213771490U CN 213771490 U CN213771490 U CN 213771490U CN 202022053305 U CN202022053305 U CN 202022053305U CN 213771490 U CN213771490 U CN 213771490U
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Abstract
The utility model relates to a technical field of water treatment, more specifically relates to an oxygen deficiency aerobic interactive reaction device, include the cell body and connect in the inlet tube of cell body bottom, connect in the outlet pipe on cell body upper portion, inside reaction zone, oxygen deficiency activated sludge district and the good oxygen activated sludge district of being equipped with of cell body, be equipped with the partition wall between oxygen deficiency activated sludge district and the good oxygen activated sludge district, partition wall swing joint has the rotor plate that can select intercommunication reaction zone and oxygen deficiency activated sludge district or intercommunication reaction zone and good oxygen activated sludge district. The process of capturing and adsorbing carbon sources, the nitrification process and the denitrification process of the utility model control the reaction device to enter different reaction processes by controlling the rotation of the rotating plate, and utilize the original carbon source in the sewage to perform denitrification and denitrification on the nitrified sewage, thereby having better denitrification effect; and the method does not need to return sludge, and nitrify and denitrify the sludge to operate independently, and does not influence each other, and the equipment is simple, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to a technical field of water treatment, more specifically relates to an oxygen deficiency aerobic interactive reaction device.
Background
The eutrophication problem of water is a global problem, the eutrophication of water causes the use function, aesthetic effect and cultivation function of water to be greatly reduced or even lost, the substances such as algal toxins and the like caused in serious cases can directly damage human health, and the excessive discharge of nitrogen and phosphorus is a main reason of the eutrophication of water. Along with the continuous improvement of the environmental protection requirement in recent years, the requirement on the effluent of municipal sewage treatment plants is stricter, and the upgrading and modification become more and more urgent requirements of various sewage treatment plants. However, the total nitrogen in the effluent is difficult to be effectively controlled due to the shortage of the carbon source in the raw water. When dealing with urban sewage with relatively high organic matter concentration, sewage plants mostly adopt a method of supplementing external carbon sources to meet the biological requirements; for municipal sewage that needs upgrading, the increase of chemicals and carbon sources will increase the operating cost.
Chinese patent CN200910116556.6 discloses an integrated process for pre-denitrification and denitrification biological filter sewage treatment, which is formed by combining an anoxic denitrification biological filter and an aerobic nitrification biological filter in series, wherein sewage containing organic matters and ammonia nitrogen is firstly mixed with part of effluent of the aerobic nitrification biological filter which flows back to a water inlet end, and then the effluent is jointly and firstly passed through the anoxic denitrification biological filter, and denitrification bacteria attached to and growing on biological ceramsite in the anoxic denitrification biological filter utilize the organic matters in the sewage as a carbon source to reduce nitrate nitrogen in the return water from the aerobic nitrification biological filter into nitrogen, thereby realizing the denitrification function. However, in the above scheme, although the nitrification device and the denitrification device operate independently, the nitrification device and the denitrification device are connected in series through the pipeline, and the nitrification device and the denitrification device need to realize nitrification and denitrification through sludge backflow, so that the equipment is complex, the manufacturing cost is high, and the occupied area of the equipment is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides an anoxic and aerobic interactive reaction device, which can be independently operated by nitrification and denitrification without mutual influence and sludge backflow.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides an oxygen deficiency good oxygen interactive reaction device, includes the cell body and connects in the inlet tube of cell body bottom, connect in the outlet pipe on cell body upper portion, inside reaction zone, oxygen deficiency activated sludge district and the good oxygen activated sludge district of being equipped with of cell body, be equipped with the partition wall between oxygen deficiency activated sludge district and the good oxygen activated sludge district, partition wall swing joint has the rotor plate that can select intercommunication reaction zone and oxygen deficiency activated sludge district or intercommunication reaction zone and good oxygen activated sludge district.
The utility model discloses an oxygen deficiency good oxygen interactive reaction device, at first, reaction zone and oxygen deficiency activated sludge district intercommunication, raw water and the activated sludge in the oxygen deficiency activated sludge district mix, the carbon source in the raw water is fully absorbed and caught, after the water level reaches the highest liquid level and the sewage in the cell body is fully mixed with mud, the deposit of stewing, mud sinks and slides down to oxygen deficiency activated sludge district in the sewage; the carbon source of the sewage is used for denitrification of the sewage after nitrification, so that the denitrification effect of the sewage can be effectively improved; then the rotating plate rotates, the reaction zone is communicated with the aerobic activated sludge zone, the aerobic activated sludge zone and the reaction zone are in an aerobic state, the residual organic matters in the sewage are further degraded, ammonia nitrogen is oxidized and converted into nitrate nitrogen, and sludge sediment slides to the aerobic activated sludge zone; the rotating plate rotates again, the reaction area is communicated with the anoxic activated sludge area, sewage in the tank is in a denitrification state, denitrification is carried out on the nitrified sewage, and after the denitrification stage is completed, sludge is precipitated and slides to the anoxic activated sludge area. The utility model discloses the original carbon source in the make full use of sewage carries out the denitrification denitrogenation to nitrifying back sewage, just the utility model discloses nitrify and denitrification mud independent operation, each other do not influence, need not backward flow mud, equipment is simple, the simple operation.
Furthermore, a submersible stirrer is arranged at the bottom of the anoxic activated sludge zone, and an aeration pipe or an aeration head is arranged at the bottom of the aerobic activated sludge zone.
Further, the water inlet pipe is communicated with the bottom of the anoxic activated sludge area, and the water outlet pipe is communicated with the reaction area.
Further, the water outlet pipe is provided with a water discharge valve.
Furthermore, a first partition plate is arranged at the boundary of the reaction zone and the anoxic activated sludge zone, and a second partition plate is arranged at the boundary of the reaction zone and the aerobic activated sludge zone.
Furthermore, the partition wall is arranged in the middle of the tank body, and the first partition plate and the second partition plate are symmetrically arranged on two sides of the partition wall; the two end faces of the first clapboard, the second clapboard and the rotating plate are attached to the inner wall of the tank body.
Furthermore, one end of the rotating plate is hinged to the partition wall, and the other end of the rotating plate can be in lap joint with the first partition plate or the second partition plate.
Furthermore, the rotating plate and the first partition plate or the second partition plate are overlapped to form an inclined plane, and an included angle capable of accommodating downward sliding of the sinking sludge is formed between the inclined plane tank walls.
Further, the articulated department of rotor plate and partition wall is equipped with the articulated shaft, the end connection of articulated shaft has drive assembly, drive assembly installs in the cell body outer wall.
Further, the driving assembly is a stepping motor, and the rotating angle of the stepping motor is twice of the included angle.
Compared with the prior art, the beneficial effects of the utility model are that:
the anaerobic-aerobic interactive reaction device of the utility model controls the reaction device to enter different reaction processes by controlling the rotation of the rotating plate in the process of capturing and adsorbing carbon source, the nitrification process and the denitrification process, and utilizes the original carbon source in the sewage to perform denitrification on the nitrified sewage, thereby having better denitrification effect; and the method does not need to return sludge, and nitrify and denitrify the sludge to operate independently, and does not influence each other, and the equipment is simple, and the operation is simple and convenient.
Drawings
FIG. 1 is a perspective view of the anoxic and aerobic interactive reaction apparatus of the present invention;
FIG. 2 is a top view of the anoxic and aerobic interactive reaction apparatus of the present invention;
FIG. 3 is a schematic structural view of the anoxic and aerobic interactive reaction apparatus of the present invention;
in the drawings: 1-a pool body; 2-water inlet pipe; 3-water outlet pipe; 4-a reaction zone; 5-anoxic activated sludge zone; 6-aerobic activated sludge zone; 7-partition wall; 8-rotating plate; 9-a submersible stirrer; 10-an aerator pipe; 11-a first separator; 12-second separator.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Examples
Fig. 1 to fig. 3 show that the utility model discloses an embodiment of oxygen deficiency aerobic interactive reaction device, including cell body 1 and connect in the inlet tube 2 of cell body 1 bottom, connect in outlet pipe 3 on cell body 1 upper portion, cell body 1 is inside to be equipped with reaction zone 4, oxygen deficiency activated sludge district 5 and aerobic activated sludge district 6, be equipped with partition wall 7 between oxygen deficiency activated sludge district 5 and the aerobic activated sludge district 6, partition wall 7 swing joint has the rotor plate 8 that can select intercommunication reaction zone 4 and oxygen deficiency activated sludge district 5 or intercommunication reaction zone 4 and aerobic activated sludge district 6. Wherein, the anoxic activated sludge area 5 is provided with anoxic activated sludge, and the aerobic activated sludge area 6 is provided with aerobic activated sludge.
In the implementation of this embodiment: firstly, the reaction zone 4 is communicated with the anoxic activated sludge zone 5, raw water is mixed with activated sludge in the anoxic activated sludge zone 5, a carbon source in the raw water is fully absorbed and captured, the water level in the tank body 1 reaches the highest liquid level, and after sewage and sludge in the tank body 1 are fully mixed, the tank body is stood for precipitation, and the sludge in the sewage sinks and slides down to the anoxic activated sludge zone 5; then the rotating plate 8 rotates, the reaction zone 4 is communicated with the aerobic activated sludge zone 6, the aerobic activated sludge zone 6 and the reaction zone 4 are in an aerobic state, the residual organic matters in the sewage are further degraded, ammonia nitrogen is oxidized and converted into nitrate nitrogen, and sludge sediment slides to the aerobic activated sludge zone 6; the rotating plate 8 rotates again, the reaction area 4 is communicated with the anoxic activated sludge area 5, sewage in the tank is in a denitrification state, denitrification is carried out on the nitrified sewage, and after the denitrification stage is completed, sludge is precipitated and slides to the anoxic activated sludge area 5.
In this embodiment, the anoxic activated sludge zone 5 performs a process of carbon source capture and denitrification, the aerobic activated sludge zone 6 performs a process of nitrification, and the corresponding denitrification assembly can be installed in the anoxic activated sludge zone 5, and the denitrification assembly can adopt the existing denitrification assembly in the art; the aerobic activated sludge zone 6 can be provided with a corresponding nitrification assembly, and the nitrification assembly can adopt the existing nitrification assembly in the field.
In one embodiment, the submersible mixer 9 is disposed at the bottom of the anoxic activated sludge zone 5, the aeration pipe 10 or the aeration head is disposed at the bottom of the aerobic activated sludge zone 6, and other oxygen generating components capable of generating oxygen such as the aeration pipe 10 and the aeration head can also be applied to the present invention. The submersible stirrers 9 can be a group, and can also be a plurality of groups according to the volume of the tank body 1; the submersible stirrers 9 are arranged at the bottom of the anoxic activated sludge zone 5 for obtaining sufficient mixing effect, but not as a limiting rule of the utility model, the position and the number of the submersible stirrers 9 can be set according to the volume and the application requirement of the tank body 1; under the stirring action of the submersible stirrer 9, the anoxic activated sludge can fully absorb and capture the carbon source in the raw water, and the nitrified sewage can be fully denitrified in the denitrification process. In the aerobic activated sludge zone 6, the aeration pipe 10 or the aeration head generates oxygen, the oxygen floats upwards from the bottom of the tank body 1, the aerobic activated sludge zone 6 and the reaction zone 4 are in an aerobic state, the residual organic matters in the sewage can be further degraded, and ammonia nitrogen is oxidized and converted into nitrate nitrogen.
In one embodiment, the water inlet pipe 2 is communicated with the bottom of the anoxic activated sludge area 5, and the water outlet pipe 3 is communicated with the reaction area 4. The position of the water inlet pipe 2 determines the inflow position of raw water, the position of the water outlet pipe 3 determines the outflow position, and the positions of the water inlet pipe 2 and the water outlet pipe 3 are also determined by the sequence of sewage treatment processes. In this embodiment, the positions of the water inlet pipe 2 and the water outlet pipe 3 are set to meet the requirements of the treatment process of capturing and adsorbing the carbon source, namely nitrification and denitrification. In addition, in the embodiment, the water inlet pipe 2 is communicated with the bottom of the anoxic activated sludge area 5, and water enters from the bottom of the tank body 1, so that the anoxic activated sludge can fully capture and adsorb a carbon source in raw water; the water outlet pipe 3 is communicated with the upper part of the tank body 1, the treated sewage can have mud-water separation phenomenon, sludge sinks, and the upper part of the tank body 1 is supernatant liquid which is discharged. In order to better control the water inlet and drainage process, this embodiment can set up the inlet valve at inlet tube 2, set up the drainage valve in outlet pipe 3 department: stopping water inflow when the water inflow reaches the highest liquid level; after the raw water undergoes the processes of carbon source capture and adsorption, nitrification and denitrification, a drainage valve is opened, the supernatant in the pool body 1 is discharged, but the arrangement of the water inlet valve and the water outlet valve is not taken as the limiting regulation of the utility model.
In one embodiment, a first partition plate 11 is arranged at the boundary of the reaction zone 4 and the anoxic activated sludge zone 5, and a second partition plate 12 is arranged at the boundary of the reaction zone 4 and the aerobic activated sludge zone 6. Wherein, one end of the rotating plate 8 is hinged with the partition wall 7, and the other end of the rotating plate 8 can be lapped with the first clapboard 11 or the second clapboard 12. When the first partition plate 11 and the second partition plate 12 are not arranged, the end part of the rotating plate 8 can be contacted with the inner wall of the tank body 1 by setting the size of the rotating plate 8, so that the rotating plate 8 can be rotated to switch the communication between the reaction zone 4 and the anoxic activated sludge zone and the communication between the reaction zone 4 and the aerobic activated sludge zone. However, the rotating plate 8 is directly adopted to control the communication channel, so that a plurality of inconveniences exist, such as: the rotating plate 8 has a large area, and the disturbance of the sewage in the tank body 1 is easily caused during rotation; the end part of the rotating plate 8 is directly contacted with the inner wall of the tank body 1, and sludge is easily accumulated at the contact part and water leakage is easily caused. Therefore, in this embodiment, the first partition plate 11 and the second partition plate 12 are provided to reduce the area of the rotating plate 8, thereby preventing the occurrence of sludge accumulation and water leakage. Specifically, the ground of the rotating plate 8 may be directly overlapped on the surface of the first partition plate 11 or the second partition plate 12, and the rotating plate 8, the first partition plate 11, and the second partition plate 12 may also be configured such that when the rotating plate 8 is overlapped with the first partition plate 11 and the second partition plate 12, the rotating plate 8, the first partition plate 11, and the second partition plate 12 form a smooth slope so as to facilitate smooth sliding of sinking sludge. In addition, in this embodiment, the first partition plate 11 and the second partition plate 12 are both disposed in an inclined manner, the rotating plate 8 and the first partition plate 11 or the second partition plate 12 are overlapped to form an inclined surface, and an included angle that can accommodate the downward sliding of the sinking sludge under the action of self gravity is formed between the walls of the inclined tank.
In one embodiment, the partition wall 7 is arranged in the middle of the tank body 1, and the first partition plate 11 and the second partition plate 12 are symmetrically arranged on two sides of the partition wall 7; the two end faces of the first clapboard 11, the second clapboard 12 and the rotating plate 8 are attached to the inner wall of the tank body 1. In the embodiment, the partition wall 7 is positioned on the middle surface of the tank body 1, and the first partition plate 11 and the second partition plate 12 have the same size and are symmetrically arranged on two sides of the partition wall 7; when the rotating plate 8 is lapped with the first clapboard 11, the reaction zone 4 is communicated with the aerobic activated sludge zone 6, and the anoxic activated sludge zone 5 is sealed; when the rotating plate 8 is overlapped with the second partition plate 12, the reaction zone 4 is communicated with the anoxic activated sludge zone 5, and the aerobic activated sludge zone 6 is sealed. In order to ensure the sealing of the anoxic activated sludge zone 5 and the aerobic activated sludge zone 6 and avoid the mutual interference between the anoxic activated sludge zone 5 and the aerobic activated sludge zone 6, a sealing structure may be provided at the contact position of the rotating plate 8 and the inner wall of the tank body 1.
In one embodiment, the hinged position of the rotating plate 8 and the partition wall 7 is provided with a hinged shaft, the end part of the hinged shaft is connected with a driving component, and the driving component is arranged on the outer wall of the tank body 1. The output end of the driving component penetrates through the wall of the tank body 1 to be connected with the hinge shaft, or the hinge shaft penetrates through the wall of the tank body 1 to be connected with the output end of the driving component, but in order to prevent leakage of the tank body 1, a sealing structure can be arranged at the hinge shaft or the penetrating joint of the output end and the tank body 1. In this embodiment, the driving assembly is a stepping motor, and the rotation angle of the stepping motor is twice the included angle. The rotating angle of the stepping motor is twice of the included angle, and the rotating plate 8 just rotates to be respectively overlapped with the first partition plate 11 and the second partition plate 12 at the upper limit and the lower limit of the working stroke; in this embodiment, the rotation speed of the stepping motor should be correspondingly limited, and the rotation speed of the rotating plate 8 should be reduced to prevent the rotating plate 8 from stirring up sludge during the rotation process.
The anaerobic-aerobic interactive reaction device of the embodiment is adopted to treat sewage:
the device treats 4 tons of water per day, the COD concentration of raw water is 107mg/L, the ammonia nitrogen concentration is 12mg/L, the total nitrogen concentration is 17mg/L, and the total phosphorus concentration is 5 mg/L; the operation period of the device is 5 hours, under the condition that a flocculating agent is not added, after the device operates stably for 30 days, the average concentration of the ammonia nitrogen in effluent is 0.3mg/L, and the average concentration of the total nitrogen in the effluent is 8mg/L, compared with the conventional A2O process, the total nitrogen removal rate is improved by 17-24% under the condition that a carbon source is not increased.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an oxygen deficiency good oxygen interactive reaction device, its characterized in that includes cell body (1) and connects inlet tube (2) in cell body (1) bottom, connects in outlet pipe (3) on cell body (1) upper portion, cell body (1) inside is equipped with reaction zone (4), oxygen deficiency activated sludge district (5) and good oxygen activated sludge district (6), be equipped with between oxygen deficiency activated sludge district (5) and good oxygen activated sludge district (6) partition wall (7), partition wall (7) swing joint has rotor plate (8) that can select intercommunication reaction zone (4) and oxygen deficiency activated sludge district (5) or intercommunication reaction zone (4) and good oxygen activated sludge district (6).
2. The anoxic and aerobic interactive reaction device according to claim 1, wherein the anoxic activated sludge zone (5) is provided with a submersible stirrer (9) at the bottom, and the aerobic activated sludge zone (6) is provided with an aeration pipe (10) or an aeration head at the bottom.
3. The anoxic and aerobic interactive reaction device according to claim 1, wherein the water inlet pipe (2) is communicated with the bottom of the anoxic activated sludge zone (5), and the water outlet pipe (3) is communicated with the reaction zone (4).
4. An anoxic and aerobic interactive reaction device according to claim 3, wherein the outlet pipe (3) is provided with a drain valve.
5. An anoxic and aerobic interactive reaction device according to any one of claims 1 to 4, wherein a first partition (11) is provided at the boundary of the reaction zone (4) and the anoxic activated sludge zone (5), and a second partition (12) is provided at the boundary of the reaction zone (4) and the aerobic activated sludge zone (6).
6. The anoxic and aerobic interactive reaction device according to claim 5, wherein the partition wall (7) is arranged in the middle of the tank body (1), and the first partition plate (11) and the second partition plate (12) are symmetrically arranged on two sides of the partition wall (7); the two end faces of the first clapboard (11), the second clapboard (12) and the rotating plate (8) are attached to the inner wall of the pool body (1).
7. The anoxic and aerobic interactive reaction device according to claim 6, wherein one end of the rotating plate (8) is hinged with the partition wall (7), and the other end of the rotating plate (8) can be overlapped with the first partition plate (11) or the second partition plate (12).
8. The anoxic and aerobic interactive reaction device according to claim 7, wherein the rotating plate (8) is overlapped with the first partition plate (11) or the second partition plate (12) to form an inclined surface, and an included angle for allowing the downward sliding of the sinking sludge is formed between the walls of the inclined surface tank.
9. The anoxic and aerobic interactive reaction device according to claim 8, wherein the hinged joint of the rotating plate (8) and the partition wall (7) is provided with a hinged shaft, the end of the hinged shaft is connected with a driving component, and the driving component is mounted on the outer wall of the tank body (1).
10. The anoxic and aerobic interactive reaction device according to claim 9 wherein the driving assembly is a stepper motor, and the rotation angle of the stepper motor is twice the included angle.
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| CN202022053305.2U CN213771490U (en) | 2020-09-17 | 2020-09-17 | Oxygen deficiency and good oxygen interactive reaction device |
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| CN202022053305.2U CN213771490U (en) | 2020-09-17 | 2020-09-17 | Oxygen deficiency and good oxygen interactive reaction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125400A (en) * | 2020-09-17 | 2020-12-25 | 广东粤海水务股份有限公司 | Anoxic-aerobic interactive reaction device and reaction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125400A (en) * | 2020-09-17 | 2020-12-25 | 广东粤海水务股份有限公司 | Anoxic-aerobic interactive reaction device and reaction method |
| CN112125400B (en) * | 2020-09-17 | 2024-01-23 | 广东粤海水务股份有限公司 | Anoxic-aerobic interactive reaction device and reaction method |
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