CN109368967B - A sludge storage tank - Google Patents
A sludge storage tank Download PDFInfo
- Publication number
- CN109368967B CN109368967B CN201811585040.1A CN201811585040A CN109368967B CN 109368967 B CN109368967 B CN 109368967B CN 201811585040 A CN201811585040 A CN 201811585040A CN 109368967 B CN109368967 B CN 109368967B
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- CN
- China
- Prior art keywords
- sludge
- storage tank
- sludge storage
- sedimentation device
- sedimentation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010802 sludge Substances 0.000 title claims abstract description 112
- 238000004062 sedimentation Methods 0.000 claims abstract description 54
- 238000005273 aeration Methods 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 25
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 25
- 239000011574 phosphorus Substances 0.000 abstract description 25
- 230000003111 delayed effect Effects 0.000 abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000010865 sewage Substances 0.000 description 8
- 239000013049 sediment Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
- Activated Sludge Processes (AREA)
Abstract
本发明公开一种污泥储池，包括储泥池、沉淀装置、曝气装置和溢流管，所述沉淀装置安装于所述储泥池内，所述沉淀装置与所述储泥池连通，所述曝气装置安装于所述储泥池底部，所述溢流管安装于所述沉淀装置上端。本发明提供的污泥储池系统，通过沉淀装置将污泥始终截留在储泥池中沉淀装置外部的曝气装置，由于曝气装置的存在，剩余污泥始终处于高好氧状态，由于碳源的严重缺乏及高好氧环境，使外部排过来的剩余污泥二次释磷会大大延迟，实现了本污泥储池延时释磷器延缓释磷的功能。
The present invention discloses a sludge storage tank, comprising a sludge storage tank, a sedimentation device, an aeration device and an overflow pipe, wherein the sedimentation device is installed in the sludge storage tank, the sedimentation device is connected with the sludge storage tank, the aeration device is installed at the bottom of the sludge storage tank, and the overflow pipe is installed at the upper end of the sedimentation device. The sludge storage tank system provided by the present invention is a sludge storage tank system that always retains the sludge in the aeration device outside the sedimentation device through the sedimentation device. Due to the presence of the aeration device, the remaining sludge is always in a highly aerobic state. Due to the severe lack of carbon sources and the highly aerobic environment, the secondary phosphorus release of the remaining sludge discharged from the outside will be greatly delayed, thereby realizing the function of delayed phosphorus release of the sludge storage tank delayed phosphorus release device.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sludge storage pool.
Background
After the biochemical excess sludge and materialized sludge of the sewage treatment plant are discharged into a sludge storage pool, if the sludge can not be dehydrated in time, secondary phosphorus release is easily generated under anaerobic conditions, so that the stable standard discharge of total phosphorus in the effluent of the sewage treatment plant is affected, the use amount of a dephosphorization medicament of the sewage treatment plant is increased, and the running cost of the sewage treatment plant is increased.
The phenomenon is more serious in secondary phosphorus release of residual sludge especially in medium-and small-scale decentralized sewage treatment stations under the condition of adopting periodic dehydration or outward transportation, and the phenomenon is extremely easy to cause that the total phosphorus of the decentralized sewage treatment stations can not reach the standard for discharge throughout the year.
Therefore, how to solve the problem of secondary phosphorus release of the residual sludge of the sewage treatment station is a technical problem to be solved urgently by the technicians in the field.
Disclosure of Invention
The invention aims to provide a sludge storage pool, which is used for separating sludge from water by a precipitation device from residual sludge discharged from the outside, and the sludge is always trapped in an external aeration zone in the sludge storage pool, so that secondary phosphorus release of the residual sludge discharged from the outside can be greatly delayed, and the function of delaying the phosphorus release of a delayed phosphorus releaser is realized.
In order to solve the technical problems, the invention provides a sludge storage pool, which comprises a sludge storage pool, a sedimentation device, an aeration device and an overflow pipe, wherein the sedimentation device is arranged in the sludge storage pool, the sedimentation device is communicated with the sludge storage pool, the aeration device is arranged at the bottom of the sludge storage pool and is used for blowing air, and the overflow pipe is arranged at the upper end of the sedimentation device.
Preferably, the sludge storage tank further comprises a sludge lifting device arranged in the sedimentation device and used for discharging sludge in the sedimentation device into the sludge storage tank.
Preferably, the mud lifting device comprises a suction pipe and a fan connected with the suction pipe, one end of the suction pipe extends to the bottom of the sedimentation device, and the other end of the suction pipe is communicated with the mud storage tank through the fan.
Preferably, the aeration device is arranged at the bottom of the mud storage tank through a fixing frame, and the other end of the aeration device is communicated with the fan through a connecting pipe.
Preferably, the aeration device is an air supply pipe with air holes.
Preferably, a mud inlet pipe is arranged above the mud storage pool, the mud inlet pipe is higher than the liquid level of the liquid inlet of the precipitation device, and the overflow pipe is lower than the liquid level of the mud inlet pipe.
Preferably, the overflow pipe is higher than the liquid level of the liquid inlet of the precipitation device.
Preferably, a filter screen is arranged at the liquid outlet of the overflow pipe.
The invention provides a sludge storage pool, which mainly comprises a sludge storage pool, a sedimentation device, an aeration device and an overflow pipe, wherein the sedimentation device is arranged in the sludge storage pool, the sedimentation device is communicated with the sludge storage pool, the aeration device is arranged at the bottom of the sludge storage pool, and the overflow pipe is arranged at the upper end of the sedimentation device. According to the sludge storage pool system provided by the invention, sludge is always trapped in the aeration device outside the sedimentation device in the sludge storage pool through the sedimentation device, the residual sludge is always in a high-aerobic state due to the existence of the aeration device, and secondary phosphorus release of the residual sludge discharged from the outside can be greatly delayed due to the serious shortage of a carbon source and the high-aerobic environment, so that the function of delaying the phosphorus release of the delay phosphorus releaser of the sludge storage pool is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a top plan view of the structure of FIG. 1;
Fig. 3 is a bottom plan view of the structure shown in fig. 1.
Wherein, in fig. 1-3:
a mud storage pool-1, a sedimentation device-2, an aeration device-3, an overflow pipe-4, a mud lifting device-5 and a mud inlet pipe-6.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 3, fig. 1 is a schematic overall structure diagram of an embodiment of the present invention, fig. 2 is a top plan view of the structure shown in fig. 1, and fig. 3 is a bottom plan view of the structure shown in fig. 1.
In one embodiment of the invention, the sludge storage tank mainly comprises a sludge storage tank 1, a sedimentation device 2, an aeration device 3 and an overflow pipe 4, wherein the sedimentation device 2 is arranged in the sludge storage tank 1, the sedimentation device 2 is communicated with the sludge storage tank 1, the aeration device 3 is arranged at the bottom of the sludge storage tank 1, and the overflow pipe 4 is arranged at the upper end of the sedimentation device 2.
Wherein, sediment device 2 installs in storing up mud pond 1, sediment device 2 and storing up mud pond 1 intercommunication, aeration equipment 3 install in storing up mud pond 1 bottom, overflow pipe 4 installs in sediment device 2 upper end.
Specifically, in the actual operation process, the surplus sludge enters the sludge storage tank 1 through the sludge inlet pipe 6, the surplus sludge in the sludge storage tank 1 enters the sedimentation device 2 under the action of liquid level difference to realize sludge-water separation, the separated supernatant is discharged out of the sludge storage tank through the supernatant overflow pipe 4, meanwhile, the separated sludge is sunk into the bottom of the sedimentation device 2 under the action of gravity, the sludge is lifted by the sludge lifting device 5 to the aeration device 3 outside the sedimentation device 2 from the bottom, so that the surplus sludge discharged from the outside is repeatedly subjected to sludge-water separation through the sedimentation device 2, the sludge is always trapped in the aeration device 3 outside the sedimentation device 2 in the sludge storage tank 1, and the surplus sludge is always in a high-aerobic state due to the serious shortage of a carbon source and the high-aerobic environment, so that the secondary phosphorus release of the surplus sludge discharged from the outside can be greatly delayed, and the function of delaying the phosphorus release of the sludge storage tank is realized. According to the sludge storage pool system provided by the invention, sludge is always trapped in the aeration device outside the sedimentation device in the sludge storage pool through the sedimentation device, the residual sludge is always in a high-aerobic state due to the existence of the aeration device, and secondary phosphorus release of the residual sludge discharged from the outside can be greatly delayed due to the serious shortage of a carbon source and the high-aerobic environment, so that the function of delaying the phosphorus release of the delay phosphorus releaser of the sludge storage pool is realized.
In order to optimize the advantage that the sludge storage pool can slow down secondary phosphorus release of residual sludge in the embodiment, the sludge storage pool further comprises a sludge lifting device 5 which is arranged in the sedimentation device 2 and used for discharging sludge in the sedimentation device 2 into the sludge storage pool 1, the sludge lifting device 5 comprises a suction pipe and a fan connected with the suction pipe, one end of the suction pipe extends to the bottom of the sedimentation device 2, the other end of the suction pipe is communicated with the sludge storage pool 1 through the fan, the fan blows air into the sedimentation device 2, negative pressure is formed in the suction pipe, and air flow drives the sludge in the sedimentation device 2 to rise and be discharged into the sludge storage pool 1. Because the utility model is through carrying out the secondary phosphorus release that constantly circulates the mud and slowing down surplus mud, so, through set up one in sediment device 2 carry mud device 5, can promote the mud that deposits to sediment device 2, then discharge to storage mud pond 1 here, circulate together with the surplus mud that next round arrived, when the aeration equipment 3 of sediment device 2 outside at every turn, can all make the mud be in the high oxygen state, lead to the outside surplus mud secondary phosphorus release of arranging to delay greatly. Of course, the sludge discharge driving device of the sludge lifting device 5 may also be a water pump, through which the sludge in the sedimentation device 2 is sucked and discharged into the sludge storage tank 1.
Further, the aeration device 3 is arranged at the bottom of the mud storage tank 1 through a fixing frame, the other end of the aeration device 3 is communicated with a fan through a connecting pipe, and the aeration device 3 is an air supply pipe with air holes. The air supply pipe is provided with air holes simultaneously by blowing air into the air blower, the air blown by the air blower can be dispersed into the sludge through the air holes, microorganisms in the sludge can continuously realize the function of biological metabolism to further improve the water quality of the discharged water, and the water quality of the discharged water is improved on the premise of ensuring mud-water separation, so that the sludge-water separation device has very strong functionality. Of course, the aeration device 3 may be other types of air supply devices.
Further, the overflow pipe 4 is higher than the liquid level of the liquid inlet of the precipitation device 2. The suction effect is realized through a water pump or an air blower, the sludge is pumped to the sludge storage pool area where the aeration device 3 is positioned outside the sedimentation device 2, and the supernatant separated out from the upper part of the sedimentation device 2 is discharged out of the sludge storage pool 1 through an overflow pipe. In addition, be provided with the filter screen that is used for filtering impurity on the overflow pipe 4, in the water fan suction process to mud-water separation's water, the filter screen can remove a small amount of impurity that carries in the water, makes the water of discharging more accord with emission standard.
To sum up, the sludge storage pool provided by the embodiment mainly comprises a sludge storage pool, a sedimentation device, an aeration device and an overflow pipe, wherein the sedimentation device is arranged in the sludge storage pool, the sedimentation device is communicated with the sludge storage pool, the aeration device is arranged at the bottom of the sludge storage pool, and the overflow pipe is arranged at the upper end of the sedimentation device. According to the sludge storage pool system provided by the invention, sludge is always trapped in the aeration device outside the sedimentation device in the sludge storage pool through the sedimentation device, the residual sludge is always in a high-aerobic state due to the existence of the aeration device, and secondary phosphorus release of the residual sludge discharged from the outside can be greatly delayed due to the serious shortage of a carbon source and the high-aerobic environment, so that the function of delaying the phosphorus release of the delay phosphorus releaser of the sludge storage pool is realized.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811585040.1A CN109368967B (en) | 2018-12-24 | 2018-12-24 | A sludge storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811585040.1A CN109368967B (en) | 2018-12-24 | 2018-12-24 | A sludge storage tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109368967A CN109368967A (en) | 2019-02-22 |
| CN109368967B true CN109368967B (en) | 2025-02-18 |
Family
ID=65371640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811585040.1A Active CN109368967B (en) | 2018-12-24 | 2018-12-24 | A sludge storage tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN109368967B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386751A (en) * | 2019-07-10 | 2019-10-29 | 浙江海牛环境科技股份有限公司 | A kind of sludge treating system of anti-system jams and anti-anaerobic phosphorus release |
| CN119390251B (en) * | 2024-12-11 | 2025-11-07 | 北京城市排水集团有限责任公司 | System and method for efficiently removing phosphorus from high-phosphorus easily biodegradable wastewater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395950A (en) * | 2013-08-18 | 2013-11-20 | 武汉宝捷能环境工程技术有限公司 | V-shape air-stripping technology for removing nitrogen and phosphorus of large and medium-sized sewage processing |
| CN209368089U (en) * | 2018-12-24 | 2019-09-10 | 欧基（上海）环保科技有限公司 | A kind of sludge storage pool |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001321791A (en) * | 2000-05-17 | 2001-11-20 | Sekisui Chem Co Ltd | How to store excess sludge |
| JP2003334591A (en) * | 2002-05-20 | 2003-11-25 | Takane Kitao | Treatment apparatus for organic wastewater and method therefor |
| CN101602548B (en) * | 2009-07-03 | 2011-06-01 | 重庆大学 | Method for controlling residual sludge reduction in activated sludge-sewage treatment system and reactor |
| CN201713383U (en) * | 2010-06-07 | 2011-01-19 | 中山火炬水务有限公司 | A mud storage tank with an adjustable overflow port |
| CN201942559U (en) * | 2010-12-14 | 2011-08-24 | 浙江海拓环境技术有限公司 | Sludge storage pool with aeration system |
| KR101033643B1 (en) * | 2011-03-29 | 2011-05-12 | 주식회사 한국종합기술 | Sludge reducing facility for reducing release of phosphorous |
| KR102076674B1 (en) * | 2013-10-14 | 2020-04-07 | 대우조선해양 주식회사 | Circulation System of Sludge Tank and Control Method |
| CN104445856B (en) * | 2014-12-10 | 2016-05-11 | 广东绿美环境科技有限公司 | A kind of anti-phosphorus sludge concentration tower of releasing |
| CN206486350U (en) * | 2017-02-21 | 2017-09-12 | 苏州清然环保科技有限公司 | Full biological denitrificaion and mud decrement system |
| CN206809839U (en) * | 2017-06-26 | 2017-12-29 | 江西洪城水业环保有限公司 | New precipitating type storage basin |
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2018
- 2018-12-24 CN CN201811585040.1A patent/CN109368967B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395950A (en) * | 2013-08-18 | 2013-11-20 | 武汉宝捷能环境工程技术有限公司 | V-shape air-stripping technology for removing nitrogen and phosphorus of large and medium-sized sewage processing |
| CN209368089U (en) * | 2018-12-24 | 2019-09-10 | 欧基（上海）环保科技有限公司 | A kind of sludge storage pool |
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| Publication number | Publication date |
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| CN109368967A (en) | 2019-02-22 |
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