CN213475523U - IC anaerobic reactor circulation system - Google Patents
IC anaerobic reactor circulation system Download PDFInfo
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- CN213475523U CN213475523U CN202021866448.9U CN202021866448U CN213475523U CN 213475523 U CN213475523 U CN 213475523U CN 202021866448 U CN202021866448 U CN 202021866448U CN 213475523 U CN213475523 U CN 213475523U
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Abstract
The utility model relates to a circulation system of an IC anaerobic reactor, which comprises a reaction device and a first circulation device. The part of the effluent from the anaerobic tower is circulated to the bottom of the anaerobic reactor by the first circulating pump, and the effluent pipeline of the first circulating pump is connected to the original sludge discharge pipe in parallel, so that the effluent of the first circulating pump enters the anaerobic reactor, the anaerobic effluent circulation function is realized, and the sludge discharge function of the original sludge discharge pipe is not influenced. The circulating water gets into from anaerobism tower bottom, can make a large amount of deposits suspend at the anaerobism granular sludge at the bottom of the tower, increases the upwelling velocity of reactor, improves the area of contact of anaerobism granular sludge and sewage, makes anaerobism granular sludge make the most use of change, improves the effect of getting rid of COD of reactor to, also plays the effect that reduces reactor COD concentration of intaking for the anti COD load impact of reactor promotes greatly. And the circulating water inflow and the anaerobic water inflow are independently separated, so that mutual influence is avoided, the water inflow is more stable, and the stable operation of the IC reactor is facilitated.
Description
Technical Field
The utility model relates to a IC anaerobic reactor field, in particular to IC anaerobic reactor circulation system.
Background
An IC (internal circulation) reactor is a new generation of high-efficiency anaerobic reactor, namely an internal circulation anaerobic reactor, and is similarly formed by connecting 2 layers of UASB reactors in series. It consists of an upper reaction chamber and a lower reaction chamber. The wastewater flows from bottom to top in the reactor, the pollutants are adsorbed and degraded by bacteria, and the purified water flows out from the upper part of the reactor.
The existing circulating system of the IC reactor is to circulate the effluent of the anaerobic tower to a water distribution pipe of the reactor through a circulating pump part by a circulating pump, and the effluent is mixed with the anaerobic influent and then enters the anaerobic reactor. Under the prerequisite of equal COD total amount of intaking, play the effect that reduces the reactor COD concentration of intaking for the anti COD load impact of reactor promotes greatly. Meanwhile, the rising flow velocity of the reactor is properly increased within a certain range, so that the anaerobic granular sludge and the sewage can obtain a larger contact area, and the removal effect of the reactor on COD is improved.
However, the circulating water outlet pipe of the circulating system and the water outlet pipe of the anaerobic feed pump are combined and enter the reactor, the control of the circulating flow and the control of the water inflow are mutually influenced, and when one of the flows fluctuates abnormally, the fluctuation of the other flow is inevitably caused. Meanwhile, as water enters from the water distribution pipe of the anaerobic reactor through the sludge cover at the bottom of the reactor, the problem of accumulation of a large amount of anaerobic sludge at the periphery of the sludge cover at the bottom of the tower cannot be solved, so that the accumulated anaerobic sludge does not play a role in removing COD.
SUMMERY OF THE UTILITY MODEL
Therefore, the circulating system of the IC anaerobic reactor needs to be provided for solving the technical problems that the existing circulating system of the IC reactor easily causes abnormal fluctuation of water inflow and a large amount of anaerobic sludge is accumulated around a sludge cover at the bottom of the tower.
To achieve the above object, the inventors provide an IC anaerobic reactor circulation system comprising a reaction device and a first circulation device;
the reaction device comprises an anaerobic tower, a water outlet pipe is arranged on the side surface of the top of the anaerobic tower, a water inlet pipe is arranged on the side surface of the bottom of the anaerobic tower, and a sludge discharge pipe is arranged at the bottom of the anaerobic tower;
the first circulating device comprises a water outlet tank and a first circulating pump, the water outlet tank is communicated with the water outlet pipe, a water inlet of the first circulating pump is connected to the bottom of the water outlet tank through a pipeline, and a water outlet of the first circulating pump is connected to the sludge discharge pipe in parallel through a pipeline.
As the utility model discloses a preferred structure, reaction unit still wraps row's mud house steward, the anaerobism bottom of the tower is equipped with the mud pipe more than two, and the mud pipe equipartition more than two is put in the anaerobism bottom of the tower, and the mud pipe more than two is parallelly connected on row's mud house steward, be equipped with row's mud mouth on the row's mud house steward, the delivery port of first circulating pump passes through the tube coupling on row's mud house steward.
As the utility model discloses a preferred structure, first circulating device still includes the mud valve, mud valve quantity is the same with mud pipe quantity, all is equipped with a mud valve on every mud pipe.
As the utility model discloses a preferred structure, first circulating device still includes temperature sensor, temperature sensor quantity is the same with mud pipe quantity, the temperature sensor equipartition is in anaerobism tower side, and a temperature sensor mounted position corresponds the mud pipe the row's mud region of mud pipe to interlocking with the mud valve on the mud pipe that corresponds.
As an optimized structure of the utility model, the mud valve is a pneumatic valve.
As the utility model discloses a preferred structure, first circulating device still includes the gate valve, the gate valve is connected between first circulating pump and play water tank.
As a preferred structure of the present invention, the first circulating device further comprises a check valve connected between the first circulating pump and the sludge discharge pipe.
As an optimized structure of the utility model, the first circulating device further comprises a butterfly valve, the butterfly valve is connected between the first circulating pump and the sludge discharge pipe.
As the utility model discloses a preferred structure, anaerobic reactor circulation system still includes the second circulation system, the second circulation system includes the second circulating pump, the second circulating pump water inlet passes through the tube coupling on the play water tank, the delivery port of second circulating pump passes through the pipeline and connects in parallel on the inlet tube of anaerobism tower.
Different from the prior art, the technical scheme provides an IC anaerobic reactor circulating system which comprises a reaction device and a first circulating device; the reaction device comprises an anaerobic tower, a water outlet pipe is arranged on the side surface of the top of the anaerobic tower, a water inlet pipe is arranged on the side surface of the bottom of the anaerobic tower, and a sludge discharge pipe is arranged at the bottom of the anaerobic tower; the first circulating device comprises a water outlet tank and a first circulating pump, the water outlet tank is communicated with the water outlet pipe, a water inlet of the first circulating pump is connected to the bottom of the water outlet tank through a pipeline, and a water outlet of the first circulating pump is connected to the sludge discharge pipe in parallel through a pipeline.
Utilize anaerobic cycle outlet pipe to set up a play water tank between the pipeline of acidizing pond, connect a pipeline intercommunication first circulating pump from a play water tank, through the water part circulation of first circulating pump in with a water tank to anaerobic reactor bottom, all the other water in the play water tank pass through pipeline flow direction acidizing pond, and first circulating pump outlet pipe way is through parallelly connected former mud pipe of arranging for first circulating pump goes out water and gets into anaerobic reactor, thereby realize the anaerobism and go out water circulation function, do not influence former mud pipe simultaneously and arrange the mud function. Circulating water gets into from the sludge discharge pipe, anaerobism tower bottom promptly, can make the anaerobism granular sludge of a large amount of deposits at the bottom of the tower suspend, increase the upwelling velocity of reactor, improve the area of contact of anaerobism granular sludge and sewage, make the biggest utilization of anaerobism granular sludge, improve the effect of getting rid of COD of reactor, under the prerequisite of equal COD total amount of intaking, also play the effect that reduces the reactor COD concentration of intaking, make the anti COD load of reactor strike and promote greatly. And the circulating water inflow and the anaerobic water inflow are independently separated, so that mutual influence is avoided, the water inflow is more stable, and the stable operation of the IC reactor is facilitated.
Drawings
FIG. 1 is a schematic diagram of the structure of the circulation system of an IC anaerobic reactor according to an embodiment;
FIG. 2 is a schematic bottom view of the circulation system of an IC anaerobic reactor according to an embodiment.
Description of reference numerals:
10. an anaerobic tower;
11. a water outlet pipe; 12. a sludge discharge pipe; 13. a mud discharge main pipe;
21. a water outlet tank; 22. a first circulation pump; 23. a gate valve; 24. a check valve; 25. a butterfly valve; 26. a temperature sensor; 27. a carbon steel pipe;
30. an aeration tank.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
Referring to fig. 1 and fig. 2, the present embodiment relates to a circulation system of an IC anaerobic reactor, which includes a reaction device and a first circulation device;
the reaction device comprises an anaerobic tower 10, a water outlet pipe 11 is arranged on the side surface of the top of the anaerobic tower 10, a water inlet pipe is arranged on the side surface of the bottom of the anaerobic tower 10, and a sludge discharge pipe 12 is arranged at the bottom of the anaerobic tower 10. Specifically, anaerobism tower 10 bottom is equipped with twelve mud pipes 12, twelve mud pipes 12 evenly arrange and are close to the edge in anaerobism tower 10 bottom, twelve mud pipes 12 are circular in a bottom wall, be equipped with a circular shape mud main pipe 13 in the below of mud pipes 12, twelve mud pipes 12 are connected respectively on mud main pipe 13, be equipped with a mud discharge mouth on mud main pipe 13, all be equipped with the mud valve on every mud pipe 12 simultaneously, be equipped with a mud main valve on mud main pipe 13's mud discharge mouth, when anaerobism tower 10 bottom somewhere needs the mud, open near mud pipe 12's mud valve, accumulational waste mud falls into mud main pipe 13 from mud pipe 12, open mud main valve again and discharge from mud main pipe 13.
The first circulating device comprises a water outlet tank 21 and a first circulating pump 22, the water outlet tank 21 is communicated with the water outlet pipe 11, a water inlet of the first circulating pump 22 is connected to the bottom of the water outlet tank 21 through a pipeline, and a water outlet of the first circulating pump 22 is connected to the sludge discharge pipe 12 in parallel through a pipeline. The power of the first circulating device is 37KW, and the flow rate is 420m3H, the lift is 20 meters. First circulating pump 22, play water tank 21 and arrange and connect through DN 250's carbon steel pipe 27 between the mud pipe 12, because of having twelve mud pipe 12 and arrange mud house steward 13, first circulating pump 22's water inlet only need through the tube coupling on arranging mud house steward 13 can, concrete position connection is near arranging mud mouth in arranging mud house steward 13. When circulating water is introduced, the sludge discharge valves on the twelve sludge discharge pipes 12 can be selectively opened, the sludge discharge valves of the sludge discharge pipes 12 nearby some areas with serious anaerobic granular sludge deposition at the tower bottom are pertinently opened, circulating water is introduced, the anaerobic granular sludge deposited is lifted, and the sludge discharge valves on the twelve sludge discharge pipes 12 are selectively opened to improve local water outlet at the bottom of the tower bottomThe pressure can flush the anaerobic granular sludge which is seriously piled up without increasing the power of the circulating pump, thereby being beneficial to reasonably allocating circulating water and improving the utilization rate of the circulating water.
Further, the first circulating device further comprises temperature sensors 26, the number of the temperature sensors 26 is the same as that of the sludge discharge pipes 12, the temperature sensors 26 are uniformly distributed on the side face of the anaerobic tower 10, and the installation position of one temperature sensor 26 corresponds to the sludge discharge area of one sludge discharge pipe 12 and is interlocked with the corresponding sludge discharge valve on the sludge discharge pipe 12. Specifically, the mud discharging valves are pneumatic valves, twelve temperature sensors 26 are mounted on the tower wall at a position one meter above the twelve mud discharging pneumatic valves at the bottom of the anaerobic tower 10, and the start and stop of the pneumatic valves are interlocked by setting the temperature of the tower wall. When the temperature of a certain position is lower than 30 ℃, automatically starting a pneumatic valve of the sludge discharge pipe 12 at the corresponding position (which indicates that anaerobic granular sludge is deposited at the current position, the anaerobic granular sludge does not float upwards, the local oxidation reaction is less, and the temperature is lower); when the temperature reaches 35 ℃, the pneumatic valve at the corresponding position is automatically closed (which shows that the anaerobic granular sludge at the current position is less deposited, the anaerobic granular sludge floats upwards, the local oxidation reaction is more, and the temperature is higher). Therefore, in the running process of the circulation system of the anaerobic reactor, whether the sludge discharge pipes 12 are opened for water inlet can be flexibly controlled, the purpose of avoiding sludge accumulation at the bottom of the tower is achieved, reasonable configuration of circulating water is facilitated, the utilization rate of the circulating water is improved, the amount of manual labor is reduced, and the automation degree is improved.
In the embodiment, a water outlet tank 21 is arranged between the anaerobic circulating water outlet pipe 11 and the pipeline of the acidification tank, the water outlet tank 21 is connected with a pipeline to be communicated with a first circulating pump 22, part of water in the water outlet tank 21 is circulated to the bottom of the anaerobic reactor through the first circulating pump 22, the rest of water in the water outlet tank 21 flows to the acidification tank or the aeration tank 30 through the pipeline, and the water outlet pipe 11 of the first circulating pump 22 is connected to the original sludge discharge pipe 12 in parallel, so that the effluent of the first circulating pump 22 enters the anaerobic reactor, the anaerobic water outlet circulating function is realized, and the sludge discharge function of the original sludge discharge pipe 12 is not influenced. Circulating water is from mud pipe 12, get into bottom anaerobic tower 10 promptly, can make the anaerobism granular sludge of a large amount of deposits at the bottom of the tower suspend, increase the upwelling velocity of reactor, improve the area of contact of anaerobism granular sludge and sewage, make the biggest utilization of anaerobism granular sludge, improve the effect of getting rid of COD of reactor, under the prerequisite of the equal COD total amount of intaking, also play the effect that reduces the reactor COD concentration of intaking, make the anti COD load of reactor strike and promote greatly. And the circulating water inflow and the anaerobic water inflow are independently separated, so that mutual influence is avoided, the water inflow is more stable, and the stable operation of the IC reactor is facilitated.
Further, the first circulation means further comprises a gate valve 23, and the gate valve 23 is connected between the first circulation pump 22 and the water outlet tank 21. When the first circulation device needs to be overhauled or maintained and the sludge discharge pipe 12 discharges sludge, the gate valve 23 can be closed to prevent water in the water outlet tank 21 from entering the first circulation pump 22 or the sludge discharge pipe 12.
Further, first circulating device still includes check valve 24, and check valve 24 is connected between first circulating pump 22 and mud pipe 12, and specifically, check valve 24 is installed between first circulating pump 22 and mud pipe 13, prevents the water and the mud refluence in mud pipe 12 and mud pipe 13, also prevents that first circulating pump 22 trouble back, the mud in the anaerobism tower 10 from flowing backwards to first circulating pump 22, damages first circulating pump 22.
Further, the first circulation means further comprises a butterfly valve 25, and the butterfly valve 25 is connected between the first circulation pump 22 and the sludge discharge pipe 12. Specifically, butterfly valve 25 installs between check valve 24 and row mud house steward 13, can adjust the circulating water flow who gets into in row mud house steward 13 through butterfly valve 25, can pile up the condition according to actual mud and adjust, when anaerobic tower 10 needs row mud, can close butterfly valve 25 and arrange mud simultaneously, development mud gets into check valve 24 and first circulating pump 22.
As an optimized structure of the utility model, the anaerobic reactor circulating system also comprises a second circulating system, the second circulating system comprises a second circulating pump, the water inlet of the second circulating pump is connected on the water outlet box 21 through a pipeline, and the water outlet of the second circulating pump is connected in parallel on the water inlet pipe of the anaerobic tower 10 through a pipeline.
In other embodiments, the circulation system of the anaerobic reactor further comprises a second circulation system, the second circulation system comprises a second circulation pump, the water inlet of the second circulation pump is connected to the water outlet tank 21 through a pipeline, and the water outlet of the second circulation pump is connected to the water inlet pipe of the anaerobic tower 10 in parallel through a pipeline. The second circulating pump circulates the effluent of the anaerobic tower 10 to the water inlet pipe of the reactor through the circulating pump part, and the effluent is mixed with the anaerobic influent and enters the anaerobic reactor. Under the prerequisite of equal COD total amount of intaking, play the effect that reduces the reactor COD concentration of intaking for the anti COD load impact of reactor promotes greatly. Meanwhile, the rising flow velocity of the reactor is properly increased within a certain range, so that the anaerobic granular sludge and the sewage can obtain a larger contact area, and the removal effect of the reactor on COD is improved.
In some embodiments, the number of the sludge discharge pipes 12 at the bottom of the anaerobic tower 10 varies according to the size of the anaerobic tower 10, when more than two sludge discharge pipes 12 are arranged at the bottom of the anaerobic tower 10, the sludge discharge main pipe 13 is connected to the first circulation pump 22, and when only one sludge discharge pipe 12 is arranged, the water outlet of the first circulation pump 22 is connected to the sludge discharge pipe 12 through a pipeline. The sludge discharge valves and the temperature sensors are arranged corresponding to the sludge discharge pipes 12 in number. The mud valve can also adopt a hydraulic valve or an electric valve to realize the on-off control.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (6)
1. An IC anaerobic reactor circulation system, which is characterized in that: comprises a reaction device and a first circulating device;
the reaction device comprises an anaerobic tower, a water outlet pipe is arranged on the side surface of the top of the anaerobic tower, a water inlet pipe is arranged on the side surface of the bottom of the anaerobic tower, and a sludge discharge pipe is arranged at the bottom of the anaerobic tower;
the first circulating device comprises a water outlet tank and a first circulating pump, the water outlet tank is communicated with the water outlet pipe, a water inlet of the first circulating pump is connected to the bottom of the water outlet tank through a pipeline, and a water outlet of the first circulating pump is connected to the sludge discharge pipe through a pipeline in parallel;
the reaction device also comprises a sludge discharge header pipe, wherein more than two sludge discharge pipes are arranged at the bottom of the anaerobic tower, the more than two sludge discharge pipes are uniformly distributed at the bottom of the anaerobic tower, the more than two sludge discharge pipes are connected in parallel to the sludge discharge header pipe, a sludge discharge port is formed in the sludge discharge header pipe, and a water outlet of the first circulating pump is connected to the sludge discharge header pipe through a pipeline;
the first circulating device also comprises mud valves, the number of the mud valves is the same as that of the mud pipes, and each mud pipe is provided with one mud valve;
the first circulating device further comprises temperature sensors, the number of the temperature sensors is the same as that of the sludge discharge pipes, the temperature sensors are uniformly distributed on the side face of the anaerobic tower, and one temperature sensor mounting position corresponds to the sludge discharge area of one sludge discharge pipe and is interlocked with the sludge discharge valve on the corresponding sludge discharge pipe.
2. The circulation system of an IC anaerobic reactor according to claim 1, wherein: the mud valve is a pneumatic valve.
3. The circulation system of an IC anaerobic reactor according to claim 1, wherein: first circulating device still includes the gate valve, the gate valve is connected between first circulating pump and play water tank.
4. An IC anaerobic reactor circulation system according to claim 3, wherein: the first circulating device further comprises a check valve, and the check valve is connected between the first circulating pump and the sludge discharge pipe.
5. An IC anaerobic reactor circulation system according to claim 4, wherein: the first circulating device further comprises a butterfly valve, and the butterfly valve is connected between the first circulating pump and the sludge discharge pipe.
6. The circulation system of an IC anaerobic reactor according to claim 1, wherein: the anaerobic reactor circulating system further comprises a second circulating system, the second circulating system comprises a second circulating pump, a water inlet of the second circulating pump is connected to the water outlet tank through a pipeline, and a water outlet of the second circulating pump is connected to a water inlet pipe of the anaerobic tower in parallel through a pipeline.
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| CN202021866448.9U CN213475523U (en) | 2020-08-31 | 2020-08-31 | IC anaerobic reactor circulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115611420A (en) * | 2022-09-26 | 2023-01-17 | 中国恩菲工程技术有限公司 | Anaerobic jar reaction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115611420A (en) * | 2022-09-26 | 2023-01-17 | 中国恩菲工程技术有限公司 | Anaerobic jar reaction system |
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