CN115010253A - Multi-point water inlet upflow type hydrolysis acidification pool - Google Patents
Multi-point water inlet upflow type hydrolysis acidification pool Download PDFInfo
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- CN115010253A CN115010253A CN202210745254.0A CN202210745254A CN115010253A CN 115010253 A CN115010253 A CN 115010253A CN 202210745254 A CN202210745254 A CN 202210745254A CN 115010253 A CN115010253 A CN 115010253A
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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
- C02F3/28—Anaerobic digestion 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
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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
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- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a multipoint water inlet upflow hydrolysis acidification tank. The device comprises a hydrolysis acidification tank body, wherein a water inlet channel is arranged on one side of the upper part of the tank body along the side wall of the tank body, and a plurality of water distribution channels are arranged on the tank body on one side of the water inlet channel close to the tank body at intervals in parallel to the water inlet channel; a water inlet channel is arranged between each water distribution channel and the water inlet channel; and 4-6 water distribution branch pipes are arranged at the bottom of each water distribution channel, the water distribution branch pipes are vertically and downwards uniformly distributed at the bottom of the pool body, and outlets of the water distribution branch pipes are downwards. The invention provides a design configuration of an upflow hydrolysis acidification tank, which does not need the backflow of precipitated sludge. The pool type structure is simple, the water distribution and the sludge sedimentation are arranged at intervals, so that the mixed flow required by the biochemical reaction is coordinated with the water flow required by the mud-water separation, and the biochemical reaction and the sludge sedimentation can be well exerted.
Description
Technical Field
The invention belongs to the technical field of sewage treatment application, and particularly relates to a multi-point water inlet upflow hydrolysis acidification tank.
Background
In the sewage treatment, the hydrolysis acidification pool mainly has the functions of hydrolyzing insoluble organic matters into soluble organic matters and decomposing macromolecular substances into micromolecular substances by utilizing the reaction of hydrolysis and acid-producing bacteria, so that the biodegradability of the wastewater is improved, and the sewage is more suitable for subsequent aerobic treatment. The types of the current hydrolysis acidification tank mainly comprise a complete mixing type hydrolysis acidification tank, an up-flow type hydrolysis acidification tank, a composite hydrolysis acidification tank and an anaerobic reactor type reaction tank for realizing hydrolysis acidification, such as an anaerobic baffle reaction tank and the like.
The completely mixed hydrolysis acidification tank needs to be provided with a sedimentation tank behind the acidification tank, the sludge concentration in the tank is kept through sedimentation sludge backflow, and the occupied area, the engineering cost and the operation cost are increased; the upflow hydrolysis acidification tank forms an upflow hydraulic form through a water distribution device at the bottom of the tank, thereby controlling the ascending flow rate to ensure the stability of a suspended sludge layer, achieving the treatment purpose through the physical interception and biodegradation double-layer effects of the suspended sludge layer, simultaneously carrying out hydrolysis acidification reaction and sludge-water precipitation separation in the same tank body, completing the hydrolysis reaction and sludge precipitation separation when sewage rises in the tank, and needing no additional sedimentation tank, thereby saving the land.
The reasonable design of the water distribution device is very important for the good operation of the upflow hydrolysis acidification tank, and is related to water distribution, hydraulic stirring and the stability of a suspended sludge layer. At present, a plurality of water distribution forms exist in the market, but the following problems exist mostly: (1) one-pipe porous water distribution is easy to block due to small openings, and the water distribution is not uniform; (2) the branch water distribution needs to adopt large resistance water distribution, and the head loss is large; (3) when one-pipe one-hole type water distributor is adopted for water distribution, in order to deliberately pursue uniform water distribution, the service area of a single water distributor is limited, more water distributors are required to be arranged, the diameter of the water distribution pipe is small, the pipeline is easy to block, the observation and the clear maintenance are difficult after the blockage, meanwhile, the structure of the pool type is complex, and the investment of the civil engineering of the equipment is high.
Disclosure of Invention
The invention aims to provide a multi-point water inlet upflow hydrolysis acidification tank aiming at the defects of the prior art, the tank does not need to be provided with a sedimentation tank independently, the tank is simple in structure, the water distribution and sludge sedimentation are arranged at intervals, so that the mixed flow required by the biochemical reaction is coordinated with the water flow stillness required by the mud-water separation, and meanwhile, the pipe diameter and the flow speed of the water distribution are coordinated through the optimized design of the number of the water distribution pipes, and the pipe diameter is larger and is not easy to block.
In order to achieve the purpose, the multi-point water inlet upflow type hydrolysis acidification tank comprises a tank body of the hydrolysis acidification tank, wherein a water inlet channel is arranged on one side of the upper part of the tank body along the side wall of the tank body, and a plurality of water distribution channels are arranged on the tank body on one side of the water inlet channel close to the tank body at intervals and are parallel to the water inlet channel; a water inlet channel is arranged between each water distribution channel and the water inlet channel; and 4-6 water distribution branch pipes are arranged at the bottom of each water distribution channel, the water distribution branch pipes are vertically and downwards uniformly distributed at the bottom of the pool body, and outlets of the water distribution branch pipes are downwards.
Furthermore, the inlet pipe of the inlet channel is arranged at the bottom of the inlet channel from bottom to top. Preferably, when the inlet channel is long, in order to ensure that the water level of the inlet channel is consistent along the length direction, the inlet pipe enters the inlet channel through a plurality of uniformly arranged water inlets.
Furthermore, the water inlet channel arranged between the water inlet channel and the water distribution channel is a water distribution weir.
Furthermore, overflow water collecting tanks are arranged on the upper portion of the tank body along the periphery of the tank body, and water outlet pipes are arranged at the tail ends of the overflow water collecting tanks.
Furthermore, a trapezoidal section partition wall is arranged between the water distribution branch pipe groups of two adjacent water distribution channels at the bottom of the pool body.
Furthermore, the horizontal inclination angle of the partition wall is 60 degrees, the height of the partition wall is 1.2-1.8m, and a communicating pipe is arranged at the bottom of the partition wall. Preferably, the diameter of the communicating pipe is not less than DN200, and the outer bottom of the communicating pipe is flush with the bottom of the pool.
Further, evenly set up row's mud branch pipe between two adjacent partition walls, row's mud branch pipe through arrange the mud main pipe be connected to the sludge pump outside the pond on, arrange and set up the mud valve on the mud main pipe.
Furthermore, the water outlets of the water distribution branch pipes are 200mm higher than the bottom of the pool.
Furthermore, the water distribution branch pipe is fixed on the wall or the bottom of the pool body by a bracket or a support.
Preferably, the pipe diameter of the water distribution branch pipe is not less than DN50, and the turning part is connected by an elbow of 45 degrees as much as possible.
Preferably, the effective depth of the tank body is about 6 m.
The invention has the beneficial effects that:
(1) provides a design configuration of an upflow hydrolysis acidification tank without the backflow of precipitated sludge.
(2) The pool type structure is simple, the water distribution and the sludge sedimentation are arranged at intervals, so that the mixed flow required by the biochemical reaction is coordinated with the water flow required by the mud-water separation, and the biochemical reaction and the sludge sedimentation can be well exerted.
(3) Through the design of pond type, adopt multitube multiple spot water distribution, the water distribution mode is simple, and the pipe diameter is great difficult for blockking up, the maintenance management of being convenient for.
(4) The invention has stable effect, is convenient to operate and maintain, and has higher application prospect in the field of water treatment.
Drawings
FIG. 1 is a schematic view of the upper layer plan layout of the embodiment of the multi-point water-feeding upflow hydrolysis acidification tank of the invention
FIG. 2 is a schematic view of the middle layer plane layout of the embodiment of the multi-point water-feeding upflow hydrolysis acidification tank of the present invention
FIG. 3 is a schematic view of the bottom layer plan layout of the embodiment of the multi-point water-feeding upflow hydrolysis acidification tank of the present invention
FIG. 4 is a schematic sectional view of embodiment 1-1 of the upflow hydrolysis acidification tank with multiple water inlets
FIG. 5 is a schematic sectional view of embodiment 2-2 of the upflow hydrolysis-acidification tank of the present invention
FIG. 6 is a schematic sectional view of embodiment 3-3 of the upflow hydrolysis acidification tank with multiple water inlets
The sewage treatment system comprises a pond body 1, a water inlet pipe 2, a water inlet channel 3, a water inlet distribution weir 4, a water distribution channel 5, a water distribution branch pipe 6, an overflow water collecting tank 7, a water outlet pipe 8, a trapezoidal section partition wall 9, a communicating pipe 10, a sludge discharge branch pipe 11, a sludge discharge main pipe 12, a sludge pump 13 and a sludge discharge valve 14.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An embodiment of the present invention, as shown in fig. 1 to 6, includes: the device comprises a water inlet pipe, a water inlet and distribution channel, a water distribution pipe, a water outlet channel, a water outlet pipe, a sludge discharge system and the like. Wherein, inlet tube 2 gets into the left inlet channel 3 in 1 upper portion of cell body from bottom to top, and inlet channel 3 sets up many places at the one side interval that is close to the cell body and intakes water distribution weir 4, and the opposite side of water distribution weir 4 sets up water distribution channel 5, and 4 ~ 6 water distribution branch pipes 6 are established to 5 bottoms in every department water distribution channel, and water distribution branch pipe 6 is perpendicular downward evenly arranged in 1 bottoms of cell body, and the export is down, exceeds the bottom of the pool 200mm, and water distribution branch pipe 6 adopts support or support to be fixed in 1 walls of the pool of cell body or the bottom of the pool.
An overflow water collecting tank 7 is arranged at the upper part of the tank body 1 along the periphery of the tank body, and a water outlet pipe 8 is arranged at the tail end of the overflow water collecting tank 7.
Trapezoidal section partition walls 9 are arranged between the water distribution branch pipes 6 at the bottom of the tank body 1 and between the water distribution branch pipes 6 and the tank wall, the horizontal inclination angle of the partition walls is 60 degrees, the height of the partition walls is about 1.6m, and communicating pipes 10 are arranged at the bottom of the partition walls 9.
Sludge discharge branch pipes 11 are uniformly arranged between the partition walls 9 and are connected to a sludge pump 13 outside the tank body 1 through sludge discharge main pipes 12, and each sludge discharge main pipe 12 is provided with a sludge discharge valve 14.
When the device works, sewage enters the water inlet channel 3 from the water inlet pipe, is uniformly distributed to all water distribution channels 5 through the water inlet distribution weir 4, then enters the bottom of the tank through the water distribution branch pipe 6 at the bottom of the water distribution channel 5 to form ascending water flow, the outlet water is discharged through the overflow water collecting tank 7 and the water outlet pipe 8 in sequence after physical interception and biodegradation of a suspended sludge layer, and residual precipitated sludge is discharged through the sludge discharge pipes 11 and 12, the sludge discharge valve 14 and the sludge pump 13.
The present invention is described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Many other changes and modifications may be made without departing from the spirit and scope of the invention and should be considered as within the scope of the invention.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A multi-point water inlet up-flow hydrolysis acidification pool comprises a pool body of the hydrolysis acidification pool, and is characterized in that one side of the upper part of the pool body is provided with a water inlet channel along the side wall of the pool body, and a plurality of water distribution channels are arranged on the pool body on one side of the water inlet channel close to the pool body at intervals and parallel to the water inlet channel; a water inlet channel is arranged between each water distribution channel and the water inlet channel; and 4-6 water distribution branch pipes are arranged at the bottom of each water distribution channel, the water distribution branch pipes are vertically and downwards uniformly distributed at the bottom of the pool body, and outlets of the water distribution branch pipes are downwards.
2. The multi-point water inlet upflow hydrolysis-acidification tank as claimed in claim 1, wherein the water inlet pipe of the water inlet channel is arranged at the bottom of the water inlet channel from bottom to top.
3. The multi-point influent upflow hydrolytic acidification tank of claim 1, wherein the influent channel disposed between the influent channel and the distribution channel is a distribution weir.
4. The multi-point water inlet upflow hydrolysis acidification tank as claimed in claim 1, wherein an overflow water collection tank is arranged at the upper part of the tank body along the periphery of the tank body, and a water outlet pipe is arranged at the tail end of the overflow water collection tank.
5. The multi-point water inlet upflow hydrolysis-acidification tank as claimed in claim 1, wherein a partition wall with a trapezoidal section is arranged between the water distribution branch pipe groups of two adjacent water distribution channels at the bottom of the tank body.
6. The multi-point water inlet upflow hydrolysis acidification tank as claimed in claim 5, wherein the partition wall has a horizontal inclination angle of 60 ° and a height of 1.2-1.8m, and a communicating pipe is arranged at the bottom of the partition wall.
7. The multi-point water inlet upflow hydrolysis-acidification tank as claimed in claim 5, wherein a sludge discharge branch pipe is uniformly arranged between two adjacent partition walls, the sludge discharge branch pipe is connected to a sludge pump outside the tank body through a sludge discharge main pipe, and a sludge discharge valve is arranged on the sludge discharge main pipe.
8. The upflow hydrolytic acidification tank as in claim 1, wherein the water outlets of the water distribution branch pipes are 200mm higher than the bottom of the tank.
9. The multi-point water inlet upflow hydrolysis-acidification tank of claim 1, wherein the water distribution branch pipe is fixed on the wall or the bottom of the tank body by a bracket or a support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210745254.0A CN115010253A (en) | 2022-06-27 | 2022-06-27 | Multi-point water inlet upflow type hydrolysis acidification pool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210745254.0A CN115010253A (en) | 2022-06-27 | 2022-06-27 | Multi-point water inlet upflow type hydrolysis acidification pool |
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| CN115010253A true CN115010253A (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210745254.0A Pending CN115010253A (en) | 2022-06-27 | 2022-06-27 | Multi-point water inlet upflow type hydrolysis acidification pool |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110062080A1 (en) * | 2009-08-11 | 2011-03-17 | Kinder Morgan Operating L.P."C" | Bio-denitrification apparatus and method for making and using same |
| CN202089828U (en) * | 2011-05-20 | 2011-12-28 | 中冶华天工程技术有限公司 | Hydrolytic tank |
| CN102311168A (en) * | 2011-08-22 | 2012-01-11 | 天津市华水自来水建设有限公司 | water-channel water distribution-type water-distributing system for hydrolysis-acidification pool in industrial waste water treatment |
| CN202237402U (en) * | 2011-08-23 | 2012-05-30 | 上海复旦水务工程技术有限公司 | Peripheral water inlet sedimentation basin |
| CN104787876A (en) * | 2015-03-31 | 2015-07-22 | 绍兴精功机电有限公司 | Hydrolysis acidification pool pulse water distribution device |
| CN107459128A (en) * | 2017-08-28 | 2017-12-12 | 英普（北京）环境科技有限公司 | A kind of adjustable multiple spot water dispensing apparatus and method |
| CN112960771A (en) * | 2020-12-30 | 2021-06-15 | 武汉宝捷能环境工程技术有限公司 | Hydrolytic acidification and anaerobic composite ABR reactor and application method thereof |
| CN217555893U (en) * | 2022-06-27 | 2022-10-11 | 中冶华天南京工程技术有限公司 | Novel multi-point water inlet upflow hydrolysis acidification pool |
-
2022
- 2022-06-27 CN CN202210745254.0A patent/CN115010253A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110062080A1 (en) * | 2009-08-11 | 2011-03-17 | Kinder Morgan Operating L.P."C" | Bio-denitrification apparatus and method for making and using same |
| CN202089828U (en) * | 2011-05-20 | 2011-12-28 | 中冶华天工程技术有限公司 | Hydrolytic tank |
| CN102311168A (en) * | 2011-08-22 | 2012-01-11 | 天津市华水自来水建设有限公司 | water-channel water distribution-type water-distributing system for hydrolysis-acidification pool in industrial waste water treatment |
| CN202237402U (en) * | 2011-08-23 | 2012-05-30 | 上海复旦水务工程技术有限公司 | Peripheral water inlet sedimentation basin |
| CN104787876A (en) * | 2015-03-31 | 2015-07-22 | 绍兴精功机电有限公司 | Hydrolysis acidification pool pulse water distribution device |
| CN107459128A (en) * | 2017-08-28 | 2017-12-12 | 英普（北京）环境科技有限公司 | A kind of adjustable multiple spot water dispensing apparatus and method |
| CN112960771A (en) * | 2020-12-30 | 2021-06-15 | 武汉宝捷能环境工程技术有限公司 | Hydrolytic acidification and anaerobic composite ABR reactor and application method thereof |
| CN217555893U (en) * | 2022-06-27 | 2022-10-11 | 中冶华天南京工程技术有限公司 | Novel multi-point water inlet upflow hydrolysis acidification pool |
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