CN212712923U - Upflow anaerobic reactor water distribution system - Google Patents
Upflow anaerobic reactor water distribution system Download PDFInfo
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- CN212712923U CN212712923U CN202021244345.9U CN202021244345U CN212712923U CN 212712923 U CN212712923 U CN 212712923U CN 202021244345 U CN202021244345 U CN 202021244345U CN 212712923 U CN212712923 U CN 212712923U
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Abstract
The utility model relates to a water distribution system of an upflow anaerobic reactor, which comprises a water inlet pipe, a water distribution system and an internal circulation system, wherein the water distribution system is arranged at the bottom of an accommodating cavity of the reactor and comprises a main water distribution pipe, two return pipes and a plurality of domination water pipes, a plurality of water distribution holes are arranged on the domination water pipes, and the internal circulation system comprises a water pump; the two water return pipes are respectively arranged at two sides of the main water distribution pipe, the plurality of water distribution pipes are uniformly arranged between the water return pipes and the main water distribution pipe at intervals and communicated with the water return pipes and the main water distribution pipe to form a closed-loop pipeline, and the water inlet pipe is communicated with the main water distribution pipe; the inlet of the water pump is communicated with the containing cavity of the reactor through a pipeline and is positioned at the upper end of the three-phase separator, and the outlet of the water pump is communicated with the water inlet pipe through a pipeline. The closed-loop water distribution system of the utility model can realize uniform water distribution, and the arrangement of the internal circulation system can adjust the water outlet flow velocity of the water distribution hole, thereby avoiding the blocking of the orifice of the water distribution hole; additionally, the utility model discloses simple structure is convenient for be under construction, and is with low costs.
Description
Technical Field
The utility model relates to a sewage treatment device technical field especially relates to an upflow anaerobic reactor water distribution system.
Background
The upflow anaerobic reactor generally comprises a container, an anaerobic sludge bed positioned at the bottom of the container, a water inlet positioned at the bottom of the container and a three-phase separator positioned at the upper end inside the container, wherein sewage is reacted by the anaerobic sludge bed from bottom to top, and then solid, gas and water are separated and discharged by the three-phase separator. For the sewage treatment equipment, whether the sewage can be uniformly distributed after entering the container is an important prerequisite for determining the good and bad sewage treatment effect. At present, the water distribution modes mainly comprise a one-pipe multi-hole mode, a branch mode and a one-pipe one-hole mode, but when the water distribution modes are used for treating small-flow waste water, the flow speed of an orifice often cannot meet the standard requirement, the orifice is easy to block, the water distribution is not uniform, the branch type and the one-pipe one-hole mode are difficult to construct, and the cost is higher. In order to solve the problem of orifice blockage in the above mode, the current method adopts pulse intermittent water inflow, but the method can generate new problems that the pulse intermittent water inflow cannot meet the hydraulic stirring strength of a sludge bed, the reasonable ascending flow rate of sewage cannot be controlled, and the pulse equipment cost is high.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an upflow anaerobic reactor water distribution system, which can realize uniform water distribution, and is not easy to cause orifice blockage, and has simple structure, convenient construction and low cost.
In order to achieve the purpose, the utility model discloses an upflow anaerobic reactor water distribution system, which comprises a reactor, wherein the reactor is provided with an accommodating cavity with an open top and a three-phase separator arranged at the upper end of the accommodating cavity, and in addition, the upflow anaerobic reactor water distribution system also comprises a water inlet pipe, a water distribution system and an internal circulation system, the water distribution system is arranged at the bottom of the accommodating cavity and comprises a main water distribution pipe, two water return pipes and a plurality of water distribution pipes, the water distribution pipes are provided with a plurality of water distribution holes, and the internal circulation system comprises a water pump; the two water return pipes are respectively arranged at two sides of the main water distribution pipe, the plurality of water distribution pipes are uniformly arranged between the water return pipes and the main water distribution pipe at intervals and communicated with the water return pipes and the main water distribution pipe to form a closed-loop pipeline, and the water inlet pipe is communicated with the main water distribution pipe; the inlet of the water pump is communicated with the containing cavity through a pipeline and is positioned at the upper end of the three-phase separator, and the outlet of the water pump is communicated with the water inlet pipe through a pipeline.
Preferably, the water inlet pipe comprises a central water inlet pipe and an external water inlet pipe, the central water inlet pipe is vertically arranged in the center of the cavity, a pipe orifice at the upper end of the central water inlet pipe is not closed, a pipe orifice at the lower end of the central water inlet pipe is communicated with the main water distribution pipe, and the external water inlet pipe is communicated with the upper end of the central water inlet pipe.
Preferably, the mouth of the upper end of the central water inlet pipe is higher than the opening of the cavity by at least 500 mm.
Preferably, the outlet of the water pump is communicated with the central water inlet pipe through a pipeline, and the communication position is positioned below the three-phase separator.
Preferably, the distance between the water distribution system and the bottom of the containing cavity is 100-300 mm.
Preferably, the water distribution hole groups are formed by the water distribution holes in pairs, the water distribution hole groups are uniformly arranged at the lower half section of the water distribution pipe at intervals, the opening directions of the two water distribution holes in the water distribution hole groups and the horizontal plane respectively form fixed angles A and B, and then A is 20-60 degrees.
Preferably, a ═ B ═ 45 °.
Preferably, the aperture of the water distribution hole is 10-20 mm.
Preferably, the interval between any two adjacent water distribution hole groups is 400-1000 mm.
Preferably, the water pump further comprises a frequency converter or a valve for controlling the flow of the water pump, and the frequency converter is electrically connected with the water pump.
The utility model discloses following beneficial effect has:
1. the closed-loop water distribution system of the utility model can realize uniform water distribution, and the arrangement of the internal circulation system can adjust the water outlet flow velocity of the water distribution hole, thereby avoiding the blocking of the orifice of the water distribution hole; additionally, the utility model discloses simple structure is convenient for be under construction, and is with low costs.
2. Be provided with converter or valve in the inner circulating system with the flow of control water pump, and then make the velocity of flow regulation threshold value of joining in marriage water hole drill way bigger, the suitability is stronger.
Drawings
FIG. 1 is a schematic view of the present invention when applied to a reactor.
Fig. 2 is a schematic view of a water distribution system.
Fig. 3 is a schematic view of the water distribution hole.
Description of the main part symbols:
1: inlet tube, 11: outer water inlet pipe, 12: central inlet tube, 2: water distribution system, 21: main water distribution pipe, 22: water supply pipe, 221: water distribution hole, 23: return pipe, 3: water pump, 4: reactor, 41: a three-phase separator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in figures 1-3, the utility model discloses an upflow anaerobic reactor water distribution system, which comprises a water inlet pipe 1, a water distribution system 2 and an internal circulation system.
The water inlet pipe 1 comprises a central water inlet pipe 12 and an outer water inlet pipe 11, the central water inlet pipe 12 is vertically arranged in the center of the containing cavity of the reactor 4, and the pipe orifice at the upper end of the central water inlet pipe 12 is not closed and is at least 500mm higher than the containing cavity orifice of the reactor 4. The three-phase separator 41 at the upper end of the cavity of the reactor 4 is provided with a through hole for the central water inlet pipe 12 to pass through, and the through hole and the central water inlet pipe 12 are sealed in a gap. The outer inlet pipe 11 is communicated with the upper end of the central inlet pipe 12, and the sewage to be treated flows into the central inlet pipe 12 from the outer inlet pipe 11.
The water distribution system 2 is arranged at a position 100-300 mm away from the bottom of the containing cavity of the reactor 4 and comprises a main water distribution pipe 21, two water return pipes 23 and a plurality of water supply pipes 22. The two water return pipes 23 are respectively arranged on two sides of the main water distribution pipe 21 in a flush manner, the plurality of water distribution pipes 22 are evenly arranged between the water return pipes 23 and the main water distribution pipe 21 at intervals and communicated with the water return pipes 23 and the main water distribution pipe 21 to form a closed loop pipeline, and a pipe orifice at the lower end of the central water inlet pipe 12 is communicated with the main water distribution pipe 21 at the middle position of the main water distribution pipe 21. A group of water distribution holes 221 are formed in the lower half section of each water distribution pipe 22 at intervals of 400-1000 mm, each group of water distribution holes 221 is composed of two water distribution holes 221 with the hole diameters of 10-20 mm, the opening directions of the two water distribution holes 221 and the horizontal plane respectively form fixed angles A and B, the angle A is 20-60 degrees, and the angle A is preferably 45 degrees. In addition, the service area of each water distribution hole 221 is preferably 1 to 2 square meters.
The inner circulation system mainly comprises a water pump 3, an inlet of the water pump 3 is communicated with the cavity of the reactor 4 through a pipeline and is positioned at the upper end of the three-phase separator 41, an outlet of the water pump 3 is communicated with the central water inlet pipe 12 through a pipeline, and the communication position of the water pump and the central water inlet pipe 12 is positioned below the three-phase separator 41. The water pump 3 pumps the pure water separated by the three-phase separator 41 into the central water inlet pipe 12 to be mixed with the sewage to be treated, so that the high-concentration or high-toxicity sewage can be diluted, and the stable operation of the reactor 4 is ensured. The water pump 3 can increase the flow speed of the hole 221, so that the hole is not easy to be blocked.
In addition, a frequency converter or a valve for controlling the flow of the water pump 3 can be additionally arranged in the internal circulation system. The frequency converter is electrically connected with the water pump 3, and the purpose of controlling the flow is achieved by changing the rotating speed of the water pump 3; the valve is arranged at the inlet end or the outlet end of the water pump 3, and the flow is controlled by adjusting the opening of the valve. The frequency converter or the valve is additionally arranged, so that the control threshold of the flow of the water pump 3 is larger, and the device can adapt to sewage treatment with different flows.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides an upflow anaerobic reactor water distribution system, includes the reactor, be equipped with open-top's appearance chamber and setting on the reactor and hold the three-phase separator of chamber upper end, its characterized in that: the water distribution system is arranged at the bottom of the containing cavity and comprises a main water distribution pipe, two water return pipes and a plurality of water distribution pipes, a plurality of water distribution holes are formed in the water distribution pipes, and the internal circulation system comprises a water pump; the two water return pipes are respectively arranged at two sides of the main water distribution pipe, the plurality of water distribution pipes are uniformly arranged between the water return pipes and the main water distribution pipe at intervals and communicated with the water return pipes and the main water distribution pipe to form a closed-loop pipeline, and the water inlet pipe is communicated with the main water distribution pipe; the inlet of the water pump is communicated with the containing cavity through a pipeline and is positioned at the upper end of the three-phase separator, and the outlet of the water pump is communicated with the water inlet pipe through a pipeline.
2. An upflow anaerobic reactor water distribution system according to claim 1, which is characterized in that: the water inlet pipe comprises a central water inlet pipe and an external water inlet pipe, the central water inlet pipe is vertically arranged in the center of the containing cavity, the pipe orifice of the upper end of the central water inlet pipe is not closed, the pipe orifice of the lower end of the central water inlet pipe is communicated with the main water distribution pipe, and the external water inlet pipe is communicated with the upper end of the central water inlet pipe.
3. An upflow anaerobic reactor water distribution system according to claim 2, characterized in that: and the pipe orifice at the upper end of the central water inlet pipe is higher than the opening of the containing cavity by at least 500 mm.
4. An upflow anaerobic reactor water distribution system according to claim 2, characterized in that: the outlet of the water pump is communicated with the central water inlet pipe through a pipeline, and the communicated part is positioned below the three-phase separator.
5. An upflow anaerobic reactor water distribution system according to claim 1, which is characterized in that: the distance between the water distribution system and the bottom of the containing cavity is 100-300 mm.
6. An upflow anaerobic reactor water distribution system according to any one of claims 1 to 5, characterized in that: two liang of water distribution hole groups of constituteing in a plurality of water distribution holes, this water distribution hole group interval evenly sets up the lower half section of water pipe is ruled out, and the opening direction of two water distribution holes in the water distribution hole group is fixed angle A and B respectively with the horizontal plane, then A equals B equals 20 ~ 60.
7. An upflow anaerobic reactor water distribution system according to claim 6, wherein: and A is 45 degrees.
8. An upflow anaerobic reactor water distribution system according to claim 6, wherein: the aperture of the water distribution hole is 10-20 mm.
9. An upflow anaerobic reactor water distribution system according to claim 6, wherein: and the interval between any two adjacent water distribution hole groups is 400-1000 mm.
10. An upflow anaerobic reactor water distribution system according to claim 1, which is characterized in that: the water pump also comprises a frequency converter or a valve for controlling the flow of the water pump, and the frequency converter is electrically connected with the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244345.9U CN212712923U (en) | 2020-06-30 | 2020-06-30 | Upflow anaerobic reactor water distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244345.9U CN212712923U (en) | 2020-06-30 | 2020-06-30 | Upflow anaerobic reactor water distribution system |
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| Publication Number | Publication Date |
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| CN212712923U true CN212712923U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021244345.9U Active CN212712923U (en) | 2020-06-30 | 2020-06-30 | Upflow anaerobic reactor water distribution system |
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| CN (1) | CN212712923U (en) |
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2020
- 2020-06-30 CN CN202021244345.9U patent/CN212712923U/en active Active
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