CN113968623A - Inverted double-circulation micro-power aerobic granular sludge water treatment device - Google Patents
Inverted double-circulation micro-power aerobic granular sludge water treatment device Download PDFInfo
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- CN113968623A CN113968623A CN202110713332.4A CN202110713332A CN113968623A CN 113968623 A CN113968623 A CN 113968623A CN 202110713332 A CN202110713332 A CN 202110713332A CN 113968623 A CN113968623 A CN 113968623A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
An inverted double-circulation micro-power aerobic granular sludge water treatment device belongs to the technical field of water treatment equipment. Comprises an anoxic zone; the aerobic zone is communicated with the anoxic zone to form a first circulating waterway for water body flow; the water body accelerating device is arranged in the anoxic zone and is connected with the water inlet part, at least one part of the inner diameter of the water body accelerating device is reduced along the flowing direction of the water body, and the outlet end of the water body accelerating device is arranged towards one side where the water inlet end of the aerobic zone is located so as to provide force for the water body to move along the first circulating water path. According to the invention, the water body accelerating device is arranged to accelerate the water body through the reduction of the inner diameter, and the water body in the anoxic zone is driven to move towards the water body accelerating device through the low pressure formed at the outlet of the water body accelerating device, so that the water body has power for circulating flow along the first circulating waterway, and then the microorganisms can alternately enter the favorable growth environment, so that high biological activity is maintained, high-efficiency and rapid reaction is carried out on the water body, and the water purification treatment effect is enhanced.
Description
Technical Field
The invention relates to the technical field of water treatment equipment, in particular to an inverted double-circulation micro-power aerobic granular sludge water treatment device.
Background
The existing biochemical sewage treatment equipment is provided with an anoxic zone and an aerobic zone, sewage respectively performs aerobic reactions including nitrification reaction with nitrifying bacteria in the aerobic zone, and performs denitrification reaction with denitrifying bacteria in the anoxic zone to remove pollutants such as organic matters, nitrogen, phosphorus and the like in the sewage.
In order to enable various microorganisms to enter a growth environment which is favorable for the microorganisms per se in an alternative manner, the microorganisms are prevented from being inhibited in the growth environment which is unfavorable for the microorganisms per se for a long time, high biological activity is kept, high-efficiency and quick reaction is carried out on sewage, the sewage treatment effect is enhanced, the conventional biochemical sewage treatment equipment communicates the anoxic zone with the aerobic zone to form circulation, so that the sewage flows under the driving of gas generated by an aeration device arranged in the aerobic zone and reenters the anoxic zone after flowing out of the aerobic zone. However, the power generated by the aeration device in the existing equipment cannot completely meet the power requirement of sewage circulating flow, so that the existing equipment is additionally provided with a stirring device in an anoxic zone to drive the water in the anoxic zone to flow back to the anoxic zone or provided with an underwater flow pushing device to drive the water in the anoxic zone to flow to the aerobic zone, further pushes the water to circularly flow, so that the sewage flows under the common power action of the aeration device and the stirring device or the underwater flow pushing device, but the stirring device or the underwater flow pushing device needs auxiliary power and installation space, and the energy consumption and the occupied area of the existing equipment are larger.
Disclosure of Invention
Therefore, the invention aims to overcome the defects that the biochemical sewage treatment equipment in the prior art has large energy consumption and occupied area because the stirring device or the underwater plug flow device is arranged in the anoxic zone to circulate sewage in the anoxic zone and the aerobic zone, thereby providing the inverted double-loop micro-power aerobic granular sludge water treatment device.
The invention provides the following technical scheme:
a biochemical sewage treatment apparatus comprising:
a main body provided with a water inlet part and a water outlet part;
the first blocking cylinder is arranged in the main body, and an anoxic zone is formed inside the first blocking cylinder;
the second baffle cylinder is arranged in the main body, is sleeved outside the first baffle cylinder and forms an aerobic zone with the first baffle cylinder, the aerobic zone and the anoxic zone form a first circulating water path for water to flow, and the water inlet end of the aerobic zone is provided with an aerator;
the water body accelerating device is arranged in the first retaining cylinder and is connected with the water inlet part, at least one part of the inner diameter of the water body accelerating device is reduced along the flowing direction of the water body, and the outlet end of the water body accelerating device faces to one side where the aerator is located.
Optionally, the method further comprises:
the water distribution cone is arranged at the water outlet end of the anoxic zone and along the flowing direction of the water body, the width of the water distribution cone is gradually increased, and the water body accelerating device faces the water distribution cone.
Optionally, the inner diameter of the second damper decreases gradually along the flow direction of the water body at an end of the second damper away from the aerator.
Optionally, an inverted cone is arranged at one end of the second damper, which is far away from the aerator, and an outlet suitable for water to flow out is arranged on the inverted cone.
Optionally, the outlet of the inverted cone is provided with a guide plate, and the guide plate extends towards the anoxic zone.
Optionally, the method further comprises:
and the third retaining cylinder is arranged in the main body, a part of a transition area is formed between the third retaining cylinder and the inverted cone part, the transition area is communicated with the lower end of the second retaining cylinder, and the transition area and the inner space of the second retaining cylinder form a second circulating water path for water to flow.
Optionally, a sludge recirculation zone is formed between the second baffle and the main body, and the sludge recirculation zone is located downstream of the transition zone.
Optionally, the method further comprises:
and the aeration central cylinder is arranged at the outlet end of the inverted cone, and the rest part of the transition area is formed between the aeration central cylinder and the third baffle cylinder.
Optionally, a turbulence plate is arranged in the aeration central cylinder, and extends towards the axial direction of the aeration central cylinder along the flowing direction of the water body, and a backflow gap is formed between the turbulence plate and the aeration central cylinder.
Optionally, the turbulent flow plate is arranged in an included angle space formed by the guide plate and the aeration central cylinder along the flowing direction of the water body.
Optionally, the method further comprises:
and the overflow bell mouth is communicated with the outlet end of the inverted cone, and the side part of the overflow bell mouth is provided with a pore passage through which a water body passes.
Optionally, the third drum comprises: the degassing section, the overflow horn mouth is located in the space that the degassing section formed, just the degassing section is the diffusion form.
Optionally, a filtering area is formed between the third baffle cylinder and the main body, and the filtering area is communicated with the water outlet end of the transition area.
Optionally, the entrance of filtering area is equipped with the three-phase splitter plate, the three-phase splitter plate sets up in on the main part, and towards the third catch basin extends, just the three-phase splitter plate is equipped with and extends to the blast pipe in the second catch basin.
Optionally, a plurality of mud collecting hoppers are arranged in the filtering area, and the mud collecting hoppers are communicated with the outside of the main body through mud discharging pipelines.
Optionally, the water body accelerating device comprises: the spraying pipe is arranged along the flowing direction of the water body, and at least one part of the spraying pipe is in a conical shape.
Optionally, the water acceleration device further comprises: and the drainage mixing pipe is covered at the water outlet end of the spray pipe, a drainage water channel is formed between the spray pipe and the drainage mixing pipe, and the drainage water channel is communicated with the anoxic zone.
Optionally, at least a portion of the internal diameter of the drainage mixing tube is reduced.
The technical scheme of the invention has the following advantages:
1. the invention provides an inverted double-loop micro-power aerobic granular sludge water treatment device which comprises a main body, a water inlet part and a water outlet part, wherein the main body is provided with the water inlet part and the water outlet part; the first blocking cylinder is arranged in the main body, and an anoxic zone is formed inside the first blocking cylinder; the second baffle cylinder is arranged in the main body, is sleeved outside the first baffle cylinder and forms an aerobic zone with the first baffle cylinder, the aerobic zone and the anoxic zone form a first circulating water path for water to flow, and the water inlet end of the aerobic zone is provided with an aerator; the water body accelerating device is arranged in the first retaining cylinder and is connected with the water inlet part, at least one part of the inner diameter of the water body accelerating device is reduced along the flowing direction of the water body, and the outlet end of the water body accelerating device faces to one side where the aerator is located.
According to the invention, the first retaining cylinder and the second retaining cylinder form an anoxic zone and an aerobic zone, and form a first circulating waterway for water to flow, so that various microorganisms can alternately enter a growth environment favorable for the microorganisms, the microorganisms are not inhibited in the growth environment unfavorable for the microorganisms for a long time, high biological activity is maintained, high-efficiency and rapid reaction is carried out on the water, and the water purification treatment effect is enhanced; meanwhile, the aerobic zone is arranged around the anoxic zone, so that the water body is diffused into the annular aerobic zone at the water outlet end of the anoxic zone, compared with the prior art that the anoxic zone and the aerobic zone are arranged side by side, the water flow speed of one side of the anoxic zone and the aerobic zone close to the other side of the anoxic zone and the aerobic zone is higher than that of the other side of the anoxic zone and the aerobic zone when water flows, and the phenomenon of uneven water flow speed in the anoxic zone and the aerobic zone is generated, so that the circulation effect is reduced, the water flows in the anoxic zone and the aerobic zone are balanced by arranging the first retaining cylinder and the second retaining cylinder, the circulation effect is better, meanwhile, the aerator is arranged at the water inlet end of the aerobic zone, so that the air lifting direction of the aerator is superposed with the water body flowing direction of the aerobic zone, and the water inlet of the aerobic zone is subjected to air lifting action at the first time, thereby promoting the water body to flow.
The water body accelerating device is arranged to lead the water body containing the sewage into the equipment, and at least one part of the inner diameter of the water body accelerating device is reduced, so that the instantaneous flow velocity of the water body can be increased at the position to promote the flow velocity of the water body, and the water body can circularly flow along the first circulating water path;
meanwhile, the flow velocity of the water body at the outlet of the water body accelerating device is increased due to the fact that at least one part of the inner diameter of the water body accelerating device is reduced, according to the Bernoulli principle, the water pressure at the outlet of the water body accelerating device is relatively low, the water body in the anoxic zone moves towards the water body accelerating device under the action of pressure, and then the water body is driven to circularly flow along the first circulating water channel.
2. The inverted double-loop micro-power aerobic granular sludge water treatment device further comprises a water distribution cone, wherein the water distribution cone is arranged at the water outlet end of the anoxic zone, the width of the water distribution cone is gradually increased along the flowing direction of a water body, and the water body accelerating device is arranged towards the water distribution cone.
According to the invention, the water distribution cone is arranged at the water outlet end of the anoxic zone, the water body accelerating device is arranged towards the water distribution cone, the water outlet of the water body accelerating device is guided by the water distribution cone, the water body is guided by the cone with gradually increased width after impacting the water distribution cone and flows towards the water inlet end of the aerobic zone, and the water outlet of the water body accelerating device and the water body in the anoxic zone driven by the water distribution cone can conveniently enter the aerobic zone.
3. According to the inverted double-loop micro-power aerobic granular sludge water treatment device provided by the invention, the inner diameter of the second retaining cylinder is gradually reduced along the flowing direction of a water body at the end far away from the aerator.
The inner diameter of the second baffle is gradually reduced along the flowing direction of the water body at one end of the second baffle, so that the end of the second baffle plays a role in guiding the flowing of the water body, and when the water body flows to the end position, the water body flows back to the water inlet end of the anoxic zone under the action of self gravity and the guiding effect of the second baffle, so that the water body can flow along the first circulating water path conveniently.
4. According to the inverted double-circulation micro-power aerobic granular sludge water treatment device provided by the invention, one end of the second retaining cylinder, which is far away from the aerator, is provided with an inverted cone, and an outlet suitable for water to flow out is arranged on the inverted cone.
The inverted cone is arranged at one end, far away from the aerator, of the second retaining cylinder, so that the resistance of the water body to the flow of the water body is reduced through the conical structure while the water body is guided by the inverted cone, and compared with a structure which is folded in a bending way, the water body can be prevented from being blocked by the bending part to disturb the water flow when flowing, and the resistance of the water body flow in the first circulating water way is increased or decreased, so that the aerator is only provided with a water body accelerating device without arranging other power equipment;
meanwhile, the inverted cone is arranged, so that gas in the aerobic zone can be discharged conveniently, and the phenomenon that when the structure is folded in by bending, gas is accumulated at a dead angle formed by bending, and the space of equipment is occupied is avoided;
in addition, an outlet suitable for water to flow out is arranged on the inverted cone, so that the water flowing out of the first circulating waterway is partially completed.
5. According to the inverted double-loop micro-power aerobic granular sludge water treatment device provided by the invention, the outlet position of the inverted cone part is provided with the guide plate, and the guide plate extends towards the direction of the anoxic zone.
According to the invention, the guide plate extending towards the direction of the anoxic zone is arranged at the outlet of the inverted cone part, and when a water body flows to the position under the guiding action of the inverted cone part, the water body flows along the first circulating water channel by impacting the guide plate and reflowing to the anoxic zone under the guiding action of the guide plate, so that the water body circulates in the first circulating water channel as much as possible, and the purification effect of the water body flowing out of the outlet of the inverted cone part is ensured;
meanwhile, the guide plate also has the function of stopping sludge, after the water body impacts the guide plate, the sludge carried in the water body can be separated through impact, so that the sludge falls back into the anoxic zone and the aerobic zone, the content and the concentration of activated sludge in the aerobic zone and the anoxic zone are ensured, the water treatment effect of the aerobic zone and the anoxic zone is improved, the sludge separation also enables the sludge content in the water body flowing out from the outlet of the inverted cone part to be less, and the water outlet and purification effect of the equipment disclosed by the invention is better.
6. The invention provides an inverted double-loop micro-power aerobic granular sludge water treatment device, which further comprises a third retaining cylinder arranged in the main body, wherein a part of a transition area is formed between the third retaining cylinder and the inverted cone part, the transition area is communicated with the lower end of the second retaining cylinder, and a second circulating water path for water body flowing is formed between the transition area and the inner space of the second retaining cylinder.
The third baffle cylinder is arranged to form a transition area positioned at the downstream of the outlet of the inverted cone part, when the water body finishes the circulating flow of the first circulating waterway and flows out of the outlet of the inverted cone part, the water body enters the transition area and flows back to the inner space of the second baffle cylinder, namely flows back to the aerobic area, so that the water body finishes the circulating flow of the second circulating waterway, and compared with the prior art, the third baffle cylinder is arranged to increase one circulation, so that the purification effect of the equipment is better;
in addition, because the transition zone is a non-aeration zone, the water body can carry out dynamic standing mud-water primary separation in the transition zone, and the sludge is settled, compressed and gathered from the water body, thereby promoting granulation of floc sludge, reducing the content of the floc sludge in the water body and enhancing the purification effect of effluent.
7. According to the inverted double-circulation micro-power aerobic granular sludge water treatment device provided by the invention, a sludge backflow area is formed between the second retaining cylinder and the main body, and the sludge backflow area is positioned at the downstream of the transition area.
A sludge backflow area is formed between the second cylinder and the main body, water in the transition area flows back to the aerobic area through the sludge backflow area, and because the water in the transition area is subjected to dynamic standing sludge-water primary separation, sludge separated from water enters the aerobic area through the sludge backflow area, so that the content and concentration of activated sludge in the aerobic area and the anoxic area are improved, and the water treatment effect of the aerobic area and the anoxic area is improved.
8. The invention provides an inverted double-loop micro-power aerobic granular sludge water treatment device, which further comprises an aeration central cylinder arranged at the outlet end of the inverted cone part, and the rest part of the transition region is formed between the aeration central cylinder and the third baffle cylinder.
The aeration central cylinder is arranged to prolong the length of the transition area, so that the retention time of the water body in the transition area is increased, the time length of the water body for dynamic standing and primary mud-water separation is prolonged, the effects of mud-water separation and floc sludge granulation are improved, and the space of the equipment is fully utilized.
9. The invention provides an inverted double-loop micro-power aerobic granular sludge water treatment device, wherein a turbulent plate is arranged in an aeration central cylinder, the turbulent plate extends towards the axial direction of the aeration central cylinder along the flowing direction of a water body, and a backflow gap is formed between the turbulent plate and the aeration central cylinder.
The turbulence plate is arranged in the aeration central cylinder, so that a water body is impacted with the turbulence plate in the process of rising in the aeration central cylinder, turbulence is generated, the water body and bacteria are further promoted to be fully mixed and reacted, and the water purification effect of the device is improved; meanwhile, the sludge can be further blocked by turbulent flow, so that the sludge is separated from the water body and falls back to the aerobic zone and the anoxic zone.
10. According to the inverted double-loop micro-power aerobic granular sludge water treatment device provided by the invention, the turbulent flow plate is arranged in an included angle space formed by the guide plate and the aeration central cylinder along the flowing direction of a water body.
According to the invention, the turbulent flow plate is arranged in the included angle space formed by the guide plate and the aeration central cylinder, and the guide plate is arranged at the inlet of the aeration central cylinder, so that when water enters the aeration central cylinder through the guide plate, the ascending water flow cannot expand the aeration central cylinder in the first time, the water and the turbulent flow plate are impacted and cannot flow upwards through the backflow gap, and then the water bypasses the turbulent flow plate and flows back through the backflow gap to generate turbulent flow, so that the turbulent flow plate is arranged in the included angle space formed by the guide plate and the aeration central cylinder, and the turbulent flow plate realizes the optimal turbulent flow effect, thereby improving the water purification effect.
11. The invention provides an inverted double-loop micro-power aerobic granular sludge water treatment device, which further comprises an overflow bell mouth communicated with the outlet end of the inverted cone, wherein the side part of the overflow bell mouth is provided with a pore passage through which a water body passes.
According to the invention, the overflow bell mouth with the pore channel is arranged, and water flowing out from the outlet end of the inverted cone part enters the transition region through the overflow bell mouth, so that on one hand, the overflow bell mouth enables the water to flow more uniformly, the phenomenon that the water flow state in the transition region is disturbed due to non-uniform water flow velocity is avoided, and on the other hand, the water can form turbulence at the overflow bell mouth, and the separation of gas and sludge in the water is promoted.
12. The invention provides an inverted double-loop micro-power aerobic granular sludge water treatment device, wherein a third retaining cylinder comprises a degassing section, an overflow bell mouth is positioned in a space formed by the degassing section, and the degassing section is in a diffusion shape.
The invention is provided with the diffusion-shaped degassing section, so that the water body flowing out of the overflow bell mouth obtains larger space area in the space formed by the degassing section, the gas in the water body is promoted to be removed, and the flowing state of the water body which influences the water body to carry out preliminary mud-water separation in the transition area is avoided.
13. According to the inverted double-loop micro-power aerobic granular sludge water treatment device provided by the invention, a filtering area is formed between the third retaining cylinder and the main body, and the filtering area is communicated with the water outlet end of the transition area.
The filter area is arranged to carry out sedimentation type mud-water separation on the effluent of the transition area, so that the sludge in the water body is settled, and the suspended matters in the water body are gathered and settled, so that the mud-water separation is carried out, the content of the sludge in the water body is reduced, and the water purification effect of the equipment is improved.
14. According to the inverted double-loop micro-power aerobic granular sludge water treatment device provided by the invention, a three-phase separation plate is arranged at an inlet of the filtering area, the three-phase separation plate is arranged on the main body and extends towards the third baffle cylinder, and the three-phase separation plate is provided with an exhaust pipe extending into the second baffle cylinder.
According to the invention, the three-phase separation plate is arranged at the inlet of the filtering area, the water body impacts the three-phase separation plate and then enters the filtering area, and in the impacting process, gas in the water body is separated out and discharged through the exhaust pipe, so that the influence on the sedimentation state of the water body when the water body enters the filtering area is avoided, and meanwhile, part of suspended matters, smaller sludge and larger sludge are blocked by the three-phase separation plate and cannot enter the filtering area, so that the sludge content in the filtering area is reduced, and the water purifying effect of the equipment is improved.
15. The invention provides an inverted double-loop micro-power aerobic granular sludge water treatment device, wherein a plurality of sludge collecting hoppers are arranged in a filtering area and are communicated with the outside of a main body through sludge discharge pipelines.
According to the invention, the filter area is internally provided with the plurality of sludge collecting hoppers, and suspended matters and smaller sludge in the water body in the filter area are collected and discharged by the sludge discharge pipeline, so that the content of the smaller sludge and suspended matters in the filter area is reduced, and the phenomenon that the water body in the filter area is more and more turbid, so that the effluent contains more smaller sludge and suspended matters is avoided.
16. The invention provides an inverted double-loop micro-power aerobic granular sludge water treatment device.
According to the invention, at least one part of the spray pipe is arranged to be conical, so that at least one part of the inner diameter of the spray pipe is reduced, the instantaneous flow velocity of the water body at the position is increased, the flow velocity of the water body is further improved, lower water pressure is generated at the outlet of the spray pipe according to the Bernoulli principle, and the conical spray pipe has a guiding effect, so that the resistance generated by impact of the water body at the position can be effectively reduced compared with the rectangular spray pipe, and the loss of water power is avoided.
17. The inverted double-loop micro-power aerobic granular sludge water treatment device provided by the invention further comprises a drainage mixing pipe, wherein the drainage mixing pipe is covered at the water outlet end of the spray pipe, a drainage water channel is formed between the spray pipe and the drainage mixing pipe, and the drainage water channel is communicated with the anoxic zone.
According to the invention, the drainage mixing pipe and the spray pipe form a drainage water channel, due to the Bernoulli principle, lower water pressure is formed at the outlet of the spray pipe, and water in the anoxic zone enters the drainage water channel under the action of pressure and then enters the aerobic zone, so that the water circularly flows along the first circulation water channel.
18. According to the inverted double-circulation micro-power aerobic granular sludge water treatment device provided by the invention, at least one part of the inner diameter of the drainage mixing pipe is reduced.
At least one part of the inner diameter of the drainage mixing pipe is reduced, so that the water outlet of the spray pipe and the water body in the drainage water channel are accelerated again, the water body can circularly flow along the first circulating water channel, an additional auxiliary power device is not required to be arranged on the equipment, the energy consumption can be reduced, and the processing complexity and the occupied area of the device are reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front sectional view of example 1 of the present invention;
FIG. 2 is a side sectional view of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a sludge hopper and a sludge discharge pipe provided in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a turbulence plate provided in embodiment 1 of the present invention.
Description of reference numerals:
1. a water inlet part; 2. a nozzle; 3. a drainage mixing tube; 4. water distribution cone; 5. an anoxic zone; 6. an aerobic zone; 7. a sludge recirculation zone; 8. a guide plate; 9. a turbulent flow plate; 10. an overflow bell mouth; 11. a degassing section; 12. a transition zone; 13. a three-phase separator plate; 14. an exhaust pipe; 15. a separation zone; 16. an effluent weir; 17. a water outlet part; 18. a mud collecting hopper; 19. a sludge discharge branch pipe; 20. a first sludge discharge main pipe; 21. a second sludge discharge main pipe; 22. an aerator; 23. a first drum; 24. a second catch drum; 25. an aeration central cylinder; 26. a third drum; 27. a filtration zone; 28. a main body; 29. and (4) chamfering the cone part.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for distinguishing only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides an inverted double-loop micro-power aerobic granular sludge water treatment device, as shown in figures 1-4, comprising
The main body 28 is provided with a water inlet part 1 and a water outlet part 17, the water inlet part 1 is used for introducing a water body containing sewage into the main body 28, and the water outlet part 17 is used for introducing the water body treated by the equipment; in this embodiment, the structure of the main body 28 is not particularly limited, and in order to avoid forming a dead angle in the inner space of the main body 28, it is preferable that the structure of the main body 28 of this embodiment is a cylinder, and of course, in other embodiments, the main body 28 may also be configured to be rectangular, circular, and the like; in this embodiment, the material of the main body 28 is not limited, and a steel structure, a concrete structure, a polymer material, or the like may be used.
An anoxic zone 5 disposed in the inner space of the main body 28 for performing denitrification reaction on the water body, and preferably, as shown in fig. 1 and 2, in the embodiment, a first baffle 23 is disposed in the main body 28, and the anoxic zone 5 is formed inside the first baffle 23.
An aerobic zone 6 disposed in the inner space of the main body 28 for aerobic reaction of the water body, the aerobic reaction in this embodiment refers to aerobic microorganism metabolism, and preferably, as shown in fig. 1 and 2, the second baffle 24 is disposed in the main body 28, and the second baffle cylinder 24 is coaxially sleeved outside the first baffle cylinder 23, and the aerobic zone 6 is formed between the second baffle cylinder and the first baffle cylinder 23, because the two ends of the first baffle cylinder 23 are opened, the aerobic zone 6 is communicated with the anoxic zone 5 to form a first circulating water channel for water to flow, the water circularly flows along the first circulating water channel, so that various microorganisms can alternately enter a growth environment which is favorable for the water, the microorganisms cannot be inhibited in the growth environment which is unfavorable for the water for a long time, high biological activity is kept, the water is subjected to efficient and rapid reaction, and the water purification treatment effect is enhanced; meanwhile, the aerator 22 is arranged at the water inlet end of the aerobic zone 6, the water in the aerobic zone 6 is driven to flow under the action of air lift, and the water in the aerobic zone 6 is contacted with gas at the first time, so that the water can be subjected to efficient and rapid reaction.
In this embodiment, the structure of the second damper 24 is not particularly limited, and preferably, as shown in fig. 1 and fig. 2, one end of the second damper 24, which is far away from the aerator 22, has an inner diameter that gradually decreases along the flow direction of the water body, so that the effluent of the aerobic zone 6 is conveniently collected inwards, and the water body is conveniently refluxed into the anoxic zone 5, so as to realize that the water body flows along the first circulation water path.
Further, in order to prevent the portion of the second stopper 24 with the reduced inner diameter from forming a dead angle, hindering the water flow and forming the accumulation of gas, the embodiment preferably sets the portion of the second stopper 24 with the reduced inner diameter as the inverted cone 29, so as to facilitate the water and gas to smoothly flow along the side wall of the inverted cone 29, and meanwhile, an outlet suitable for the water to flow out is provided on the inverted cone 29, so as to discharge the water which completes the flow of the first circulation water path and facilitate the gas to be discharged; of course, in other embodiments, the reverse taper 29 may have a curvature.
In order to further promote the effluent of the aerobic zone 6 to flow back into the anoxic zone 5 to form a first circulating water path, in this embodiment, a guide plate 8 is arranged at an outlet of the inverted cone 29, the guide plate 8 extends towards the anoxic zone 5, and when the water flows to the position of the guide plate 8, the water is blocked and guided by the guide plate 8 and flows to a water inlet end of the anoxic zone 5 to form circulation; of course, in other embodiments, the deflector plate 8 may not be provided when the angle of inclination of the inverted cone 29 is sufficient to cause the water to flow back towards the anoxic zone 5.
Preferably, as shown in fig. 1, in order to facilitate the water flowing out of the aerobic zone 6 to flow back into the anoxic zone 5, in this embodiment, the inner diameter of the first baffle 23 is gradually reduced along the water flowing direction of the aerobic zone 6 at an end of the first baffle 23 away from the aerator 22, and the first baffle extends towards the guide plate 8, so that on one hand, the backflow water is collected conveniently, and on the other hand, the first baffle 23 is prevented from causing large resistance to the water flowing along the inverted cone 29.
The water body accelerating device is arranged in the anoxic zone 5, is connected with the water inlet part 1, at least one part of the inner diameter of the water body accelerating device is reduced along the flowing direction of the water body, the outlet end of the water body accelerating device faces to one side of the water inlet end of the aerobic zone 6, and at least one part of the inner diameter of the water body accelerating device is reduced, so that the water body can generate instant flow velocity increase at the position to improve the flow velocity of the water body and further provide the force for the water body to move along a first circulating water path, the water body accelerating device is arranged in the anoxic zone 5, the water body entering the device is firstly mixed with the water body in the anoxic zone 5 to generate denitrification reaction, namely, compared with the scheme of arranging the anoxic zone 5 behind the aerobic zone 6 in the prior art, the scheme of front denitrification is adopted, and as the aerobic reaction of the aerobic zone 6 including nitrification reaction consumes carbon sources in the water body, therefore, the scheme in the prior art may cause the denitrification reaction effect in the anoxic zone 5 to be poor, in this embodiment, the anoxic zone 5 is disposed in front, so that the water body first performs denitrification reaction, and because the carbon source in the water inlet of the apparatus is not consumed, the denitrification effect of the anoxic zone 5 in this embodiment is better, and further, the water purification effect of the apparatus in this embodiment is better, meanwhile, because the water body in this embodiment flows out from the anoxic zone 5 and directly enters the aerobic zone 6, and directly flows back to the anoxic zone 5 from the aerobic zone 6, there is rapid alternation of water bodies in the water body of the aerobic zone 6 and the anoxic zone 5 in the circulating flow, compared with the scheme in the prior art that the aerobic zone 6 flows to the anoxic zone 5, which has a certain distance, in this embodiment, because the alternation of water bodies also causes that in the single first circulating water path flowing process, the water body in the water body flowing back in the aerobic zone 6 has more carbon sources than the water outlet of the aerobic zone 6 in the prior art, strengthen the denitrification reaction after 6 backward flow waters of good oxygen district get into anoxic zone 5, and set up the air lift effect cooperation in water accelerating device and the good oxygen district 6, can promote the alternating efficiency of water, avoid simultaneously at the single first circulation water route flow in-process, the water leads to the carbon source consumption big because the retention time is long in good oxygen district 6, and then influence the denitrification reaction in the follow-up anoxic zone 5, consequently, this embodiment is because the higher denitrification reaction effect that makes this embodiment equipment of water alternating efficiency is better, and then the holistic water purification effect of equipment has been promoted.
The water accelerating device of the embodiment comprises a spray pipe 2, at least one part of the inner diameter of the spray pipe 2 is reduced along the flowing direction of the water, so that the water inflow of the equipment is accelerated, an additional auxiliary power device is not needed to be arranged in the embodiment, the part with the smaller inner diameter can be positioned in the middle of the spray pipe 2 or at the water outlet end, the embodiment is arranged at the water outlet end, the transition part with the changed inner diameter is arranged in a conical manner for reducing the flowing resistance of the water, the cross section of the spray pipe 2 can be in the shapes of a rectangle, a polygon, a circle and the like, and the embodiment adopts a circle for avoiding dead angles generated on the pipe wall of the spray pipe 2.
For further driving the water to flow along the first circulation water route, the water accelerating device of the embodiment further comprises a drainage mixing tube 3, the drainage mixing tube is covered at the water outlet end of the spray tube 2, a drainage water channel is formed between the spray tube 2 and the drainage mixing tube 3, the drainage water channel is communicated with the anoxic zone 5, because the water flow speed at the outlet of the spray tube 2 is large, lower water pressure can be generated at the outlet of the spray tube 2 according to the Bernoulli principle, the drainage mixing tube 3 is arranged so that the water in the anoxic zone 5 can enter the drainage water channel under the action of pressure, and then the water is carried out by the spray tube 2 to flow to the aerobic zone 6, meanwhile, the drainage mixing tube 3 is arranged so that the water in the equipment and the water in the drainage water channel can be fully mixed and then enter the aerobic zone 6, bacteria and nutrient substances in the original water of the equipment can be diffused to the water in the equipment at the first time through mixing, the subsequent reaction is convenient to carry out, and the reaction efficiency is enhanced; of course, in other embodiments, when the nozzle 2 is sufficient to move the water along the first circulation water path by its acceleration and low-pressure action, the diversion mixing pipe 3 may not be provided.
Further, at least a part of the inner diameter of the drainage mixing tube 3 is reduced to accelerate the mixed water body, in this embodiment, the part with the smaller inner diameter of the drainage mixing tube 3 may be located at the middle part or the water outlet end, in this embodiment, the drainage mixing tube is preferably arranged at the water outlet end, and the transition part with the changed inner diameter is arranged in a conical shape to reduce the resistance of the water body to flow, the cross section of the drainage mixing tube 3 may be rectangular, polygonal, circular, or the like, and in this embodiment, the drainage mixing tube 3 is circular to avoid dead corners on the tube wall.
In order to facilitate the water outlet of the anoxic zone 5 to enter the aerobic zone 6 and to make the water body uniformly distributed and flow, a water distribution cone 4 is further arranged at the water outlet end of the anoxic zone 5, the water distribution cone 4 can be welded or detachably connected with the bottom of the main body 28, the width of the water distribution cone 4 is gradually increased along the flow direction of the water body, the water body accelerating device is arranged towards the water distribution cone 4, the water outlet of the water body accelerating device is guided by the cone with the gradually increased width after impacting on the water distribution cone 4 and flows around and enters the aerobic zone 6, in this embodiment, the first retaining cylinder 23 and the second retaining cylinder 24 are preferably cylinders to facilitate the uniform flow of the water body in the aerobic zone 6 and the anoxic zone 5, so the water distribution cone 4 in this embodiment adopts an adaptive cone shape, and certainly, in other embodiments, the water distribution cone 4 can also adopt a multi-pyramid shape adapted to the first retaining cylinder 23 and the second retaining cylinder 24, for example, when the first baffle 23 and the second baffle 24 are rectangular cylinders, the water distribution cone 4 is a quadrangular pyramid.
In this embodiment, the water body acceleration device is disposed toward the water distribution cone 4, that is, along the gravity direction, and the outlet end of the water body acceleration device is disposed downward, that is, the water body acceleration device is disposed upside down, that is, is disposed upside down.
A third baffle cylinder 26 arranged in the main body 28, a part of the transition region 12 is formed between the third baffle cylinder 26 and the inverted cone 29, the transition region 12 is communicated with the lower end of the second baffle cylinder 24, a second circulating water path for water body flow is formed between the transition region 12 and the inner space of the second baffle cylinder 24, the water body flows out from the inverted cone 29 and then enters the transition region 12, and then flows back to the aerobic zone 6 through the lower end of the second baffle cylinder 24, so as to realize flow along the second circulating water path, further, various microorganisms can alternately enter a growth environment which is beneficial to the microorganisms per se, so that the microorganisms can not be inhibited in a growth environment which is unfavorable to the microorganisms per se for a long time, high biological activity is maintained, so as to perform efficient and rapid reaction on the water body, the water purification treatment effect is enhanced, meanwhile, because the transition region 12 is a non-aeration region, the water body can perform dynamic standing muddy water preliminary separation in the transition region 12, mud subsides from the water, the compression, gathers together to promote the miniaturation of floc mud, reduced the mud content of this embodiment play aquatic, promote water purification effect, and the mud that breaks away from in transition district 12 and the water that flows along the second circulation water route from transition district 12 back of flowing, can get into second fender section of thick bamboo 24 with form mud backward flow district 7 between the main part 28, then in the lower extreme backward flow to aerobic zone 6 through second fender section of thick bamboo 24, the backward flow of mud can promote the content and the concentration of active sludge in aerobic zone 6 and anoxic zone 5, promotes the water treatment effect in aerobic zone 6 and anoxic zone 5.
In order to further promote the dynamic standing preliminary separation of mud and water in the water body and reduce the sludge content in the water body, as shown in fig. 1 and fig. 2, an aeration central cylinder 25 is arranged at the outlet end of the inverted cone 29, and the rest part of the transition area 12 is formed between the aeration central cylinder 25 and the third baffle cylinder 26, so that the length of the transition area 12 is increased, the time for the water body to remain in the transition area 12 is prolonged, the time for the dynamic standing preliminary separation of mud and water in the water body is prolonged, and the effects of mud and water separation and floc sludge granulation are improved; of course, in other embodiments, when a part of the transition region 12 formed between the third baffle cylinder 26 and the inverted cone 29 can satisfy the requirements of the duration and effect of the dynamic standing preliminary separation of mud and water in the water body, the aeration central cylinder 25 may not be provided.
Furthermore, a turbulent flow plate 9 is arranged in the aeration central cylinder 25, the turbulent flow plate 9 extends towards the axial direction of the aeration central cylinder 25 along the flowing direction of the water body, a backflow gap is arranged between the turbulent flow plate 9 and the aeration central cylinder 25, when the water body flows in the aeration central cylinder 25, the turbulent flow plate 9 is impacted to form turbulent flow, the water body forming the turbulent flow bypasses the turbulent flow plate 9 to flow from the backflow gap, so that the water body forms the flowing around the turbulent flow plate 9, the mixing of bacteria and the water body is promoted, the effect of water purification reaction is enhanced, in addition, in the impacting process, the separation of sludge and gas can be promoted, the gas is prevented from entering the transition zone 12 to disturb the state that the water body is dynamically kept still and primarily separated, meanwhile, the sludge is prevented from entering the transition zone 12 to cause the water outlet of the device to have the sludge, and the sludge can be kept in the aerobic zone 6 and the anoxic zone 5, the content and the concentration of the activated sludge in the aerobic zone 6 and the anoxic zone 5 are ensured, and the water treatment effect of the aerobic zone 6 and the anoxic zone 5 is further ensured.
In this embodiment, the arrangement position of the turbulent flow plate 9 is not specifically limited, preferably, as shown in fig. 1 and 4, the turbulent flow plate 9 is arranged in an included angle space formed by the guide plate 8 and the aeration central cylinder 25 along the flow direction of the water body, because the guide plate 8 is arranged at the inlet position of the aeration central cylinder 25, when the water body enters the aeration central cylinder 25 through the guide plate 8, the rising water flow cannot expand and fill the aeration central cylinder 25 at the first time, so that the water body collides with the turbulent flow plate 9 and cannot flow upwards through the backflow gap, and further the water body flows back through the backflow gap after bypassing the turbulent flow plate 9 to generate turbulent flow, therefore, the turbulent flow plate 9 is arranged in the included angle space formed by the guide plate 8 and the aeration central cylinder 25, and the water body can be prevented from flowing upwards from the backflow gap, thereby ensuring that the water body forms stable turbulent flow, and in other embodiments, when the water flow velocity in the aeration central cylinder 25 reaches a certain velocity, the water flow velocity at the axis of the aeration central cylinder 25 is faster than the water flow velocity at the cylinder wall position of the aeration central cylinder 25, and at this time, the turbulent flow plate 9 can also be arranged at any height position of the aeration central cylinder 25 close to the cylinder wall position.
In order to facilitate the uniform inflow of the water body into the transition region 12, in the embodiment, the outlet end of the aeration central cylinder 25 is provided with the overflow bell mouth 10, the side part of the overflow bell mouth 10 is uniformly provided with the pore passage through which the water body passes, and the water body flows into the aeration central cylinder 25 from the outlet end of the inverted cone part 29 and then enters the transition region 12 through the pore passage, so that the water body flows uniformly, the water body flowing state in the transition region 12 is prevented from being disturbed, and meanwhile, the pore passage also plays a role in screening, and sludge is prevented from entering the transition region 12; of course, in other embodiments, when the aeration center tube 25 is not provided, the overflow bell mouth 10 is provided directly at the outlet end of the inverted cone 29.
In order to prevent a large amount of gas carried in the effluent of the overflow bell mouth 10 from entering the transition region 12 and disturbing the state of the water body in the transition region 12, in this embodiment, a diffusion-shaped degassing section 11 is further arranged on one side of the third baffle cylinder 26 facing the overflow bell mouth 10, the overflow bell mouth 10 is located in a space formed by the degassing section 11, and a larger space area is obtained when the effluent of the overflow bell mouth 10 enters the degassing section 11, so that gas is promoted to be removed; of course, in other embodiments, when the water body is acted by the turbulent plate 9 to make the gas escape meet the requirement, the third baffle cylinder 26 can be provided with no degassing section 11, and adopts a vertical cylinder structure at the end.
Furthermore, the degassing section 11 of the overflow bell mouth 10 deviates towards the effluent weir 16, so that the effluent load of the filtering area 27 is more uniform, and uneven rising caused by too fast water outflow around the lower side of the plate body forming the effluent weir 16 is avoided; an effluent weir 16 is provided at the inlet end of the effluent portion 17.
A filtering area 27 is formed between the third baffle cylinder 26 and the main body 28, the filtering area 27 is communicated with the water outlet end of the transition area 12, an inlet of the filtering area 27 is formed between the lower end of the third baffle cylinder 26 and the main body 28, and due to the air stripping effect generated by the aerator 22 in the aerobic area 6, the water in the sludge recirculation area 7 can continuously flow into the aerobic area 6, so that a part of the water outlet of the transition area 12 always enters the sludge recirculation area 7 to form a second circulating water path, the other part of the water outlet of the transition area 12 can enter the filtering area 27 from the inlet of the filtering area 27, and the sludge-water separation is realized by precipitation, and the water purification effect of the embodiment is improved.
In order to further improve the water purification effect, a three-phase separation plate 13 is arranged at an inlet of the filtering area 27, the three-phase separation plate 13 is arranged on the main body 28 and extends towards the third retaining cylinder 26, the three-phase separation plate 13 is provided with an exhaust pipe 14 extending into the second retaining cylinder 24, the inflow water of the filtering area 27 enters the filtering area 27 after impacting the three-phase separation plate 13, in the impacting process, the gas in the water body is further separated out and discharged by the exhaust pipe 14, the sedimentation of the water body in the filtering area 27 is prevented from being disturbed, meanwhile, the sludge in the water body is separated out in the impacting process, and then falls back into the sludge return area 7 and cannot enter the filtering area 27, a plurality of sludge receiving hoppers 18 are further arranged above the three-phase separation plate 13, and suspended matters in the water body entering the filtering area 27 can enter the sludge receiving hoppers 18 which are relatively static, thereby further purifying the water body; of course, in other embodiments, only the three-phase separation plate 13 may be provided, only the mud collection bucket 18 may be provided, neither may be provided, and only mud and water separation may be performed by sedimentation.
The mud collecting hopper 18 of the embodiment is communicated with the outside of the main body 28 through a mud discharging pipeline, preferably, as shown in fig. 2, the mud discharging pipeline comprises a plurality of mud discharging branch pipes 19, and the mud discharging branch pipes 19 are correspondingly connected with the mud collecting hopper 18; the first sludge discharge main pipe 20 is an annular pipeline, and the first sludge discharge main pipe 20 is communicated with the plurality of sludge discharge branch pipes 19; the second sludge discharge main pipe 21 is communicated with the first sludge discharge main pipe 20 and the outside of the main body 28, when water and suspended matters in the sludge collection hoppers 18 are discharged, the first sludge discharge main pipe 20 has a pressure stabilizing and balancing effect, so that the collection suction forces of the sludge collection hoppers 18 are the same, the water in the filtering area 27 is kept in a stable state, and the problem that the water in the filtering area 27 is disturbed and the sedimentation state is disturbed due to the different suction forces of the sludge collection hoppers 18 to influence the water outlet effect is avoided; the first sludge discharging main pipe 20 discharges sludge out of the main body 28 through the second sludge discharging main pipe 21; of course, in other embodiments, the mud collecting hoppers 18 can be communicated with the outside of the main body 28 through pipes arranged in a one-to-one correspondence.
This embodiment further sets up separation region 15 at filtering area 27 top, separation region 15 includes a plurality of swash plates of parallel arrangement, forms the route that the water flows between the swash plate, just separation region 15 is located receive mud fill 18 top, when the water flows from the route, thereby suspended solid and less mud can receive the hindrance and adsorb on the swash plate, fall after further gathering, consequently can further promote the water purification effect, reduce the suspended solid that this embodiment goes out the aquatic, in the water body that flows from separation region 15 can get into play water weir 16, and then through play water outlet 17 outflow main part 28.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. 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. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (18)
1. An inverted double-circulation micro-power aerobic granular sludge water treatment device is characterized by comprising:
a main body (28) provided with a water inlet part (1) and a water outlet part (17);
a first baffle cylinder (23) arranged in the main body (28), wherein an anoxic zone (5) is formed in the first baffle cylinder (23);
the second baffle cylinder (24) is arranged in the main body (28), the second baffle cylinder (24) is sleeved outside the first baffle cylinder (23), an aerobic zone (6) is formed between the second baffle cylinder and the first baffle cylinder (23), the aerobic zone (6) and the anoxic zone (5) form a first circulating water path for water to flow, and an aerator (22) is arranged at a water inlet end of the aerobic zone (6);
the water body accelerating device is arranged in the first retaining cylinder (23) and connected with the water inlet part (1), at least one part of the inner diameter of the water body accelerating device is reduced along the flowing direction of the water body, and the outlet end of the water body accelerating device faces to one side where the aerator is located.
2. The inverted double-loop micro-power aerobic granular sludge water treatment device according to claim 1, further comprising:
water distribution awl (4), the setting is in the play water end in anoxic zone (5), along the flow direction of water, the width of water distribution awl (4) increases gradually, just water accelerating device orientation water distribution awl (4) set up.
3. The inverted double-loop micro-power aerobic granular sludge water treatment device according to claim 1, wherein the inner diameter of the second baffle (24) is gradually reduced along the flow direction of the water body at the end far away from the aerator (22).
4. The inverted double-loop micro-power aerobic granular sludge water treatment device according to claim 3, wherein one end of the second baffle cylinder (24) far away from the aerator (22) is provided with an inverted cone (29), and the inverted cone (29) is provided with an outlet suitable for water to flow out.
5. The inverted double loop micro-power aerobic granular sludge water treatment device according to claim 4, wherein a guide plate (8) is arranged at the outlet position of the inverted cone part (29), and the guide plate (8) extends towards the anoxic zone (5).
6. The inverted double-loop micro-power aerobic granular sludge water treatment device according to claim 5, further comprising:
the third baffle cylinder (26) is arranged in the main body (28), a part of a transition area (12) is formed between the third baffle cylinder (26) and the inverted cone portion (29), the transition area (12) is communicated with the lower end of the second baffle cylinder (24), and the transition area (12) and the second baffle cylinder (24) form a second circulating water path for water to flow.
7. The inverted dual-loop oligodynamic aerobic granular sludge water treatment plant according to claim 6, wherein a sludge recirculation zone (7) is formed between the second baffle (24) and the main body (28), the sludge recirculation zone (7) being located downstream of the transition zone (12).
8. The inverted double-loop micro-power aerobic granular sludge water treatment device according to claim 6, further comprising:
an aeration central tube (25) disposed at an outlet end of the inverted cone portion (29), the aeration central tube (25) and the third baffle tube (26) forming a remaining portion of the transition zone (12).
9. The inverted double-loop micro-power aerobic granular sludge water treatment device according to claim 8, wherein a turbulence plate (9) is arranged in the aeration central cylinder (25), the turbulence plate (9) extends towards the axial direction of the aeration central cylinder (25) along the flowing direction of water, and a backflow gap is arranged between the turbulence plate (9) and the aeration central cylinder (25).
10. The inverted double-loop micro-power aerobic granular sludge water treatment device according to claim 9, wherein the turbulent flow plate (9) is arranged in an included angle space formed by the guide plate (8) and the aeration central cylinder (25) along the flow direction of the water body.
11. The inverted double-loop micro-power aerobic granular sludge water treatment device according to claim 6, further comprising:
the overflow bell mouth (10) is communicated with the outlet end of the inverted cone part (29), and the side part of the overflow bell mouth (10) is provided with a pore passage through which water passes.
12. The inverted dual-loop oligodynamic aerobic granular sludge water treatment plant according to claim 11, wherein the third drum (26) comprises: degassing section (11), overflow horn mouth (10) are located in the space that degassing section (11) formed, just degassing section (11) are the diffusion.
13. The inverted dual-loop micro-dynamic aerobic granular sludge water treatment device according to claim 6, wherein a filtering zone (27) is formed between the third baffle cylinder (26) and the main body (28), and the filtering zone (27) is communicated with the water outlet end of the transition zone (12).
14. An inverted dual-loop oligodynamic aerobic granular sludge water treatment plant according to claim 13, wherein a three-phase separation plate (13) is provided at the inlet of the filtration zone (27), the three-phase separation plate (13) is provided on the main body (28) and extends towards the third drum (26), and the three-phase separation plate (13) is provided with an exhaust pipe (14) extending into the second drum (24).
15. The inverted double-loop micro-power aerobic granular sludge water treatment device according to claim 13, wherein a plurality of sludge receiving hoppers (18) are arranged in the filtering area (27), and the sludge receiving hoppers (18) are communicated with the outside of the main body (28) through sludge discharge pipelines.
16. The inverted double-loop micro-power aerobic granular sludge water treatment device according to claim 1, wherein the water body acceleration device comprises: the water body flow control device comprises a spray pipe (2), wherein at least one part of the spray pipe (2) is arranged in a conical shape along the flow direction of the water body.
17. The inverted dual-loop micro-power aerobic granular sludge water treatment device according to claim 16, wherein the water body acceleration device further comprises: drainage mixing tube (3), the cover is established the play water end of spray tube (2), spray tube (2) with form the drainage water course between drainage mixing tube (3), drainage water course intercommunication anoxic zone (5).
18. The apparatus for the inverted double loop micro-dynamic aerobic granular sludge water treatment according to claim 17, wherein at least a part of the inner diameter of the diversion mixing pipe (3) is reduced.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116477763A (en) * | 2023-06-25 | 2023-07-25 | 成都理工大学 | Aerobic-anaerobic strict partition complete sewage treatment device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242050A (en) * | 2016-07-27 | 2016-12-21 | 广州鹏凯环境科技股份有限公司 | Circular integration sewage disposal device in a kind of vertical low energy consumption |
| CN205999127U (en) * | 2016-08-19 | 2017-03-08 | 中国医药集团联合工程有限公司 | Interior circulation biology compound reactor |
| CN106830315A (en) * | 2017-01-17 | 2017-06-13 | 崔炜 | A kind of organic wastewater manifold type integrated treatment unit |
| CN206521320U (en) * | 2016-12-30 | 2017-09-26 | 浙江大学苏州工业技术研究院 | A kind of biological denitrification apparatus of anti-shock loading |
| CN207313239U (en) * | 2017-09-08 | 2018-05-04 | 中国医药集团联合工程有限公司 | Efficient circulation biology recombination reaction sewage disposal system |
| CN207713494U (en) * | 2017-12-13 | 2018-08-10 | 中石化炼化工程（集团）股份有限公司 | Anoxic reacter and sewage disposal device |
| CN110734131A (en) * | 2018-07-18 | 2020-01-31 | 光大水务（深圳）有限公司 | Biological filler stirring process based on anaerobic/anoxic tank |
| WO2021036458A1 (en) * | 2019-08-30 | 2021-03-04 | 中清信益环境(南京)有限公司 | Efficient self-circulation biological denitrification device and working method therefor |
-
2021
- 2021-06-25 CN CN202110713332.4A patent/CN113968623A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242050A (en) * | 2016-07-27 | 2016-12-21 | 广州鹏凯环境科技股份有限公司 | Circular integration sewage disposal device in a kind of vertical low energy consumption |
| CN205999127U (en) * | 2016-08-19 | 2017-03-08 | 中国医药集团联合工程有限公司 | Interior circulation biology compound reactor |
| CN206521320U (en) * | 2016-12-30 | 2017-09-26 | 浙江大学苏州工业技术研究院 | A kind of biological denitrification apparatus of anti-shock loading |
| CN106830315A (en) * | 2017-01-17 | 2017-06-13 | 崔炜 | A kind of organic wastewater manifold type integrated treatment unit |
| CN207313239U (en) * | 2017-09-08 | 2018-05-04 | 中国医药集团联合工程有限公司 | Efficient circulation biology recombination reaction sewage disposal system |
| CN207713494U (en) * | 2017-12-13 | 2018-08-10 | 中石化炼化工程（集团）股份有限公司 | Anoxic reacter and sewage disposal device |
| CN110734131A (en) * | 2018-07-18 | 2020-01-31 | 光大水务（深圳）有限公司 | Biological filler stirring process based on anaerobic/anoxic tank |
| WO2021036458A1 (en) * | 2019-08-30 | 2021-03-04 | 中清信益环境(南京)有限公司 | Efficient self-circulation biological denitrification device and working method therefor |
Non-Patent Citations (1)
| Title |
|---|
| 苏州丝绸工学院: "合成革化学与工艺学", 中国轻工业出版社, pages: 275 - 114 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116477763A (en) * | 2023-06-25 | 2023-07-25 | 成都理工大学 | Aerobic-anaerobic strict partition complete sewage treatment device |
| CN116477763B (en) * | 2023-06-25 | 2023-09-08 | 成都理工大学 | Aerobic-anaerobic strict partition complete sewage treatment device |
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