CN109126224B - Circumferential inlet and outlet sedimentation tank inlet and outlet water flow guide modular device - Google Patents
Circumferential inlet and outlet sedimentation tank inlet and outlet water flow guide modular device Download PDFInfo
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- CN109126224B CN109126224B CN201811305831.4A CN201811305831A CN109126224B CN 109126224 B CN109126224 B CN 109126224B CN 201811305831 A CN201811305831 A CN 201811305831A CN 109126224 B CN109126224 B CN 109126224B
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- water
- water distribution
- water inlet
- sedimentation tank
- inlet channel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
- B01D21/2416—Liquid distributors with a plurality of feed points
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2444—Discharge mechanisms for the classified liquid
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Sewage (AREA)
Abstract
The invention discloses a modular device for guiding and distributing water flow entering and exiting a sedimentation tank, and belongs to the technical field of water treatment. The device is formed by splicing a plurality of groups of module units, each group of module units comprises a water inlet channel, a water outlet channel, a water distribution mechanism and a diversion skirt board, the water inlet channel and the water outlet channel are shared, the water inlet channel and the water outlet channel are separated by a partition board, the device integrally forms a box body structure, the box body is further provided with a cover body, the water inlet channel adopts a one-way water distribution mode with a gradually-narrowed section, the bottom of the water inlet channel is provided with a plurality of water distribution holes, adjacent water distribution holes are distributed in an unequal distance manner, the water distribution mechanism is arranged in the water distribution holes, and the diversion skirt board is arranged below the partition board. The invention obviously reduces the construction difficulty of civil engineering, has the advantages of convenient and fast field installation, accurate structure, small error, uniform water distribution and the like, and has good economic, environmental and social benefits.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a water inlet and outlet device of a sedimentation tank.
Background
With the arrival of the strict requirement era of environmental protection high standards, the standard and quantity lifting requirement of domestic sewage treatment plants is extended from secondary treatment to advanced treatment, and a secondary sedimentation tank is positioned behind a biochemical system and before advanced treatment, so that the method plays a vital role in the good operation of the whole sewage treatment system and ensuring the quality of effluent. Is limited by factors such as surface load of the secondary sedimentation tank, limited availability of a water plant and the like, and if the secondary sedimentation tank is not optimized and modified or newly built, the water yield is improved, so that the water outlet effect of the secondary sedimentation tank is poor.
The secondary sedimentation tank is widely applied to various large sewage treatment processes, is one of core structures of sewage treatment plants, and is used for separating mud from water under the action of gravity by discharging mixed liquid of a biological tank, and for removing sludge and various suspended matters in the water in a concentrated manner so as to achieve the aim of purifying sewage by solid-liquid separation. The water flow direction in the pool can be divided into: the radial flow type secondary sedimentation tank comprises a traditional radial flow type secondary sedimentation tank with middle water inlet and peripheral water outlet and a peripheral water inlet and peripheral water outlet type radial flow sedimentation tank which is increasingly widely applied in recent years. The peripheral water inlet and peripheral water outlet secondary sedimentation tank has the advantages of high surface load, effective prevention of short water inlet flow, good water outlet effect (low suspended matters), occupation area saving and the like.
At present, zhou Jinzhou among the prior art goes out sedimentation tank water distribution system and goes out water system main part and is reinforced concrete structure, and the water inlet channel adopts the one-way water distribution form of gradually narrowing section, and the construction degree of difficulty of width curve is high, the precision is difficult to guarantee, leads to water distribution system hardly even.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the modularized device for guiding and distributing the water flow entering and exiting the sedimentation tank, which is used for guiding and distributing the water flow entering and exiting the sedimentation tank into the modularized device, so that the civil construction difficulty is remarkably reduced.
The technical proposal comprises:
the utility model provides a business turn over sedimentation tank business turn over rivers lead and join in marriage modularization device, its whole box structure that is, install on the pool wall of sedimentation tank, its characterized in that: the Zhou Jinzhou outlet sedimentation tank inlet and outlet water flow guiding and distributing modular device is formed by splicing a plurality of groups of modular units, wherein each group of modular units comprises a water inlet channel, a water outlet channel, a water distribution mechanism and a guiding skirt board, the water inlet channel and the water outlet channel are co-walled, and are separated by a partition board;
the water inlet channel adopts a one-way water distribution mode with a gradually-narrowed section, a plurality of water distribution holes are formed in the bottom of the water inlet channel, adjacent water distribution holes are distributed in an unequally-spaced mode, the water distribution mechanism is arranged below the water distribution holes, and the diversion skirt plate is arranged below the partition plate;
the water outlet channel is provided with a water outlet weir hole at one side, and the box body is also provided with a cover body.
As a preferred embodiment of the invention, each group of modular units is made of carbon steel corrosion-resistant material, stainless steel, polypropylene or polyethylene material.
As another preferable scheme of the invention, the water distribution hole is round or rectangular, the water distribution mechanism is a three-way pipe, two ends of the pipe in the horizontal direction of the three-way pipe are parallel to the pool wall of the sedimentation pool, and the water outlet of the three-way pipe is wedge-shaped.
Further, the cover body is provided with an observation hole.
Further, the water outlet weir hole is circular, oval, triangular, trapezoidal or rectangular in shape.
Further, the intervals between the adjacent water distribution holes are sequentially reduced from the water inlet end of the water inlet channel.
The beneficial technical effects brought by the invention are as follows:
(1) Adopt integrative business turn over rivers to lead to join in marriage modularization device, fine solution because traditional week advance week and go out sedimentation tank water distribution system and go out water system main part reinforced concrete structure, the water inlet canal adopts the one-way water distribution form of gradually narrowing section to lead to the construction degree of difficulty height of width curve, the degree of accuracy is difficult to guarantee, the inhomogeneous problem of water distribution and play water collection of intaking.
(2) Under the condition of the requirement of the lifting amount, the method is very suitable for the mode that the central water inlet peripheral water outlet sedimentation tank is transformed into the peripheral water inlet peripheral water outlet, and has the advantages of modularized inlay, high transformation speed, convenient installation, small engineering amount and the like.
(3) The modular device is suitable for newly-built week-in and week-out sedimentation tanks, and the water inlet and outlet flow guide distribution system has the advantages of strong plasticity, flexible and convenient installation and operation, accurate structure, small error and uniformity of water inlet distribution and water outlet collection.
(4) The modular device of the sedimentation tank inlet and outlet water flow guiding and distributing system has good economic, environmental and social benefits.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
FIG. 2 is a schematic view of a portion of the structure (inlet and outlet channels) of the apparatus of the present invention;
FIG. 3 is a schematic view of a part of the structure (water distributor) of the device of the invention;
1. the sedimentation tank, 2, the water inlet channel, 3, the water distribution hole, 4, the water distribution pipe, 5, the water guiding skirt board, 6, the baffle, 7, the water outlet channel, 8, the water outlet weir, 9 and the cover body.
Detailed Description
The invention provides a modular device for guiding and distributing water in and out of a peripheric sedimentation tank, which is described in detail below with reference to specific embodiments in order to make the advantages and technical scheme of the invention clearer and more definite.
As shown in fig. 1 to 3, the water inlet and outlet flow guiding and distributing modular device for the peripheric sedimentation tank is integrally arranged on the wall of the sedimentation tank, and one of the main improvement points is that the water inlet and outlet device is arranged on site through modularization, so that the water inlet and outlet flow guiding and distributing modular device is convenient to install and has small error compared with the concrete water inlet and outlet in the prior art.
The device consists of a plurality of groups of modular units, if a field sedimentation tank is circular, the specific number of the required modular units is calculated according to the circumferential length of the field sedimentation tank, for example, 20m of a circle of a secondary sedimentation tank, the device can be divided into 10 groups of modular units, wherein each group of modular units is spliced in 2m of fields, the grouping of the specific modular units is reasonably calculated according to the field condition, each group of modular units comprises a water inlet channel 2, a water outlet channel 7, a water distribution hole 3, a water distribution pipe 4, a diversion skirt plate 5, a partition plate 6, a water outlet weir 8 and a cover body 9, wherein the water inlet channel and the water outlet channel 7 are arranged on the same wall, two ends of the partition plate 6 are a water inlet channel and a water outlet channel, and the water inlet side is arranged in the same way, the main body material of the tank body is preferably carbon steel corrosion-resistant or stainless steel or PP or PE, the modularized size can be determined according to actual engineering, the equipment processing is completed, the on-site assembly is equivalent to the fact that the partition plate and the tank wall of the tank body is detachably connected, the specific connection mode is as well as the plugging mode, the bulge part is arranged on the tank wall, the edge is arranged, and the partition plate is detachably connected together in the prior art.
In order to facilitate observation, the cover body 9 is covered above the box body, so that the observation is convenient, and algae breeding caused by sunlight irradiation can be effectively prevented. A water distribution pipe 4 with water distribution holes 3 and a diversion skirt plate are arranged below the water inlet channel 2, a single-side water outlet weir hole is arranged on the water outlet channel wall, and the form of the water outlet weir hole can be as follows: round holes, oval holes, triangular weir holes, trapezoidal weir holes, rectangular weir holes, and weir holes can be divided into two types, non-submerged and submerged. The water distribution pipe 4 is a three-way pipe, two ends of the upper pipe in the horizontal direction are parallel to the pool wall, and water outlets at the two ends are wedge-shaped, so that uniform water distribution is ensured.
The water inlet channel adopts a one-way water distribution mode with a gradually-narrowed section, the bottom of the water inlet channel adopts a water distribution hole with a variable pitch, the water distribution hole is round or rectangular, and the water distribution pipe is fixed in the water distribution hole.
The invention will be described in detail with reference to the following examples:
example 1:
the modular device for guiding and distributing the water flow in and out of the sedimentation tank is applied to a small sewage treatment pump station in Qingdao in Shandong.
The design throughput of the pump station is 6000m 3 The secondary sedimentation tank is a peripheral inlet and peripheral outlet rectangular sedimentation tank, and the design surface load is 1.36m 3 /(m 2 ·d)。
The water inlet and outlet flow guiding and distributing modular device of the secondary sedimentation tank is adopted, so that the civil construction amount and difficulty are reduced, the site installation is convenient and fast, the structure size is accurate, the error is small, and the uniformity of water inlet distribution and water outlet collection is ensured. In the actual operation process, the secondary sedimentation tank has good water outlet effect and stable operation.
According to the invention, the water inlet and outlet systems of the sedimentation tank are arranged into an integrated module structure, so that the difficulty of civil construction can be reduced no matter the sedimentation tank is optimized and modified or newly built; the site installation is convenient; the structure size is accurate, the error is little, guarantees the homogeneity of intaking water distribution and play water collection. Has good economic, environmental and social benefits.
Claims (6)
1. The utility model provides a business turn over sedimentation tank business turn over rivers lead and join in marriage modularization device, its whole box structure that is, install on the pool wall of sedimentation tank, its characterized in that: the Zhou Jinzhou outlet sedimentation tank inlet and outlet water flow guiding and distributing modular device is formed by splicing a plurality of groups of modular units, wherein each group of modular units comprises a water inlet channel, a water outlet channel, a water distribution mechanism and a guiding skirt board, the water inlet channel and the water outlet channel are co-walled, and are separated by a partition board;
the water inlet channel adopts a one-way water distribution mode with a gradually-narrowed section, a plurality of water distribution holes are formed in the bottom of the water inlet channel, adjacent water distribution holes are distributed in an unequally-spaced mode, the water distribution mechanism is arranged below the water distribution holes, and the diversion skirt plate is arranged below the partition plate;
the water outlet channel is provided with a water outlet weir hole at one side, and the box body is also provided with a cover body.
2. The modular device for ingress and egress of a peripherical settling pond as defined in claim 1 wherein: the material of each group of modularized units is carbon steel corrosion-resistant material, stainless steel, polypropylene or polyethylene material.
3. The modular device for ingress and egress of a peripherical settling pond as defined in claim 1 wherein: the water distribution hole is round or rectangular, the water distribution mechanism is a three-way pipe, two ends of the pipe in the horizontal direction of the three-way pipe are parallel to the wall of the sedimentation tank, and the water outlet of the three-way pipe is wedge-shaped.
4. The modular device for ingress and egress of a peripherical settling pond as defined in claim 1 wherein: the cover body is provided with an observation hole.
5. The modular device for ingress and egress of a peripherical settling pond as defined in claim 1 wherein: the water outlet weir hole is round, oval, triangular, trapezoidal or rectangular.
6. The modular device for ingress and egress of a peripherical settling pond as defined in claim 1 wherein: the distance between adjacent water distribution holes is sequentially reduced from the water inlet end of the water inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305831.4A CN109126224B (en) | 2018-11-05 | 2018-11-05 | Circumferential inlet and outlet sedimentation tank inlet and outlet water flow guide modular device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305831.4A CN109126224B (en) | 2018-11-05 | 2018-11-05 | Circumferential inlet and outlet sedimentation tank inlet and outlet water flow guide modular device |
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| Publication Number | Publication Date |
|---|---|
| CN109126224A CN109126224A (en) | 2019-01-04 |
| CN109126224B true CN109126224B (en) | 2023-08-29 |
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| CN201811305831.4A Active CN109126224B (en) | 2018-11-05 | 2018-11-05 | Circumferential inlet and outlet sedimentation tank inlet and outlet water flow guide modular device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090476A (en) * | 2019-05-14 | 2019-08-06 | 中国葛洲坝集团第一工程有限公司 | Sewage treatment annular water tank |
| CN110642381B (en) * | 2019-10-29 | 2024-10-01 | 北京博汇特环保科技股份有限公司 | Sedimentation tank and sewage treatment system using same |
| CN114130071A (en) * | 2021-12-08 | 2022-03-04 | 王旭 | Water distribution tank with circumferential inlet and circumferential outlet for secondary sedimentation tank, secondary sedimentation tank and water distribution method |
| CN114642903A (en) * | 2022-04-22 | 2022-06-21 | 北控水务(中国)投资有限公司 | Water distribution device, horizontal flow sedimentation tank and water distribution method of horizontal flow sedimentation tank |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4215470A1 (en) * | 1992-05-11 | 1993-11-18 | Passavant Werke | Separation plant for waste water loaded with sink and / or floating substances |
| KR200395184Y1 (en) * | 2005-06-22 | 2005-09-07 | 최대일 | Lamella modules and Fast Sedimentation Device therewith |
| CN201135799Y (en) * | 2007-11-27 | 2008-10-22 | 北京市市政工程设计研究总院 | Opening or weir distribution improved sedimentation basin convective tank |
| KR20090015169A (en) * | 2009-01-21 | 2009-02-11 | (주)범한엔지니어링 종합건축사 사무소 | Overflow weir and trough of sedimentation basin and a sedimentation basin use of the overflow weir and trough |
| KR101071354B1 (en) * | 2010-12-15 | 2011-10-10 | 주식회사 젠트로 | Construction structure of the distributing waterway for settling pond |
| CN104478125A (en) * | 2014-11-27 | 2015-04-01 | 浙江省水利水电勘测设计院 | Land-saving type comprehensive water treating pool |
| KR101656664B1 (en) * | 2015-12-18 | 2016-09-12 | 한국건설기술연구원 | Cartridge modular infiltration trench preprocessing tank, filtration apparatus using the same and rainwater filtration method using the same |
| CN106277319A (en) * | 2016-08-30 | 2017-01-04 | 青岛思普润水处理股份有限公司 | A kind of Bardenpho denitrification dephosphorization technique based on MBBR |
| CN106746378A (en) * | 2017-03-15 | 2017-05-31 | 青岛思普润水处理股份有限公司 | One kind solidification high-effective microorganism film sewage water treatment method and equipment |
| CN106823488A (en) * | 2017-02-14 | 2017-06-13 | 北京博汇特环保科技股份有限公司 | Sedimentation basin and the sewage disposal system with it |
| CN107998698A (en) * | 2017-12-01 | 2018-05-08 | 浙江升蓝环保科技有限公司 | A kind of center-transmission single-pipe suction dredger and operating method |
| DE202018100026U1 (en) * | 2017-07-04 | 2018-10-09 | Bernd Glaser | Round clarifier or settling tank |
| CN209033835U (en) * | 2018-11-05 | 2019-06-28 | 青岛思普润水处理股份有限公司 | A kind of Zhou Jinzhou goes out sedimentation basin Inlet and outlet water conductance with modular unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7758747B2 (en) * | 2008-01-02 | 2010-07-20 | Graham Bryant | Modular filter system for pollution removal structure |
-
2018
- 2018-11-05 CN CN201811305831.4A patent/CN109126224B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4215470A1 (en) * | 1992-05-11 | 1993-11-18 | Passavant Werke | Separation plant for waste water loaded with sink and / or floating substances |
| KR200395184Y1 (en) * | 2005-06-22 | 2005-09-07 | 최대일 | Lamella modules and Fast Sedimentation Device therewith |
| CN201135799Y (en) * | 2007-11-27 | 2008-10-22 | 北京市市政工程设计研究总院 | Opening or weir distribution improved sedimentation basin convective tank |
| KR20090015169A (en) * | 2009-01-21 | 2009-02-11 | (주)범한엔지니어링 종합건축사 사무소 | Overflow weir and trough of sedimentation basin and a sedimentation basin use of the overflow weir and trough |
| KR101071354B1 (en) * | 2010-12-15 | 2011-10-10 | 주식회사 젠트로 | Construction structure of the distributing waterway for settling pond |
| CN104478125A (en) * | 2014-11-27 | 2015-04-01 | 浙江省水利水电勘测设计院 | Land-saving type comprehensive water treating pool |
| KR101656664B1 (en) * | 2015-12-18 | 2016-09-12 | 한국건설기술연구원 | Cartridge modular infiltration trench preprocessing tank, filtration apparatus using the same and rainwater filtration method using the same |
| CN106277319A (en) * | 2016-08-30 | 2017-01-04 | 青岛思普润水处理股份有限公司 | A kind of Bardenpho denitrification dephosphorization technique based on MBBR |
| CN106823488A (en) * | 2017-02-14 | 2017-06-13 | 北京博汇特环保科技股份有限公司 | Sedimentation basin and the sewage disposal system with it |
| CN106746378A (en) * | 2017-03-15 | 2017-05-31 | 青岛思普润水处理股份有限公司 | One kind solidification high-effective microorganism film sewage water treatment method and equipment |
| DE202018100026U1 (en) * | 2017-07-04 | 2018-10-09 | Bernd Glaser | Round clarifier or settling tank |
| CN107998698A (en) * | 2017-12-01 | 2018-05-08 | 浙江升蓝环保科技有限公司 | A kind of center-transmission single-pipe suction dredger and operating method |
| CN209033835U (en) * | 2018-11-05 | 2019-06-28 | 青岛思普润水处理股份有限公司 | A kind of Zhou Jinzhou goes out sedimentation basin Inlet and outlet water conductance with modular unit |
Non-Patent Citations (1)
| Title |
|---|
| 郭亚丹等编.《水处理工程设计指南及案例》.冶金工业出版社,2017,48. * |
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