CN101934161A - Composite sedimentation tank - Google Patents
Composite sedimentation tank Download PDFInfo
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- CN101934161A CN101934161A CN 201010279929 CN201010279929A CN101934161A CN 101934161 A CN101934161 A CN 101934161A CN 201010279929 CN201010279929 CN 201010279929 CN 201010279929 A CN201010279929 A CN 201010279929A CN 101934161 A CN101934161 A CN 101934161A
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Abstract
The invention belongs to the technical field of water treatment process, and in particularly relates to a composite sedimentation tank which comprises an inclined-tube sedimentation tank. The composite sedimentation tank is characterized in that the front end of the inclined-tube sedimentation tank is equipped with a horizontal-flow sedimentation tank sedimentation tank the length of which is 12-25m, wherein, the bottoms of the inclined-tube sedimentation tank and the horizontal-flow sedimentation tank of the composite sedimentation tank are positioned on the same horizontal line; the bottom of the composite sedimentation tank is equipped with a sludge scraping trolley, and the front end of the horizontal-flow sedimentation tank is equipped with a sludge collecting pit which is sunken at the bottom of the tank; and the composite sedimentation tank is optimal combination of the horizontal-flow sedimentation tank and the inclined-tube sedimentation tank. The composite sedimentation tank can help remove sludge from the horizontal-flow sedimentation tank arranged on the front end of the inclined-tube sedimentation tank as much as possible, thus improving sludge discharge effect, reducing sludge quantity load of the inclined-tube sedimentation tank, and enhancing sedimentation effect. Compared with the single sedimentation tank, the composite sedimentation tank has small floor area, less engineering investment, low operating cost, strong anti-shock loading capability and good sedimentation effect, thus having obvious advancement and practicability in the field of urban water treatment.
Description
Technical field the invention belongs to the handling technology of water supply technical field, particularly a kind of composite precipitation pond.
Background technology is used for mainly containing rectangular sedimentation tank, tube settler, mechanical accelerating purifying pool etc. to the conventional sedimentation basin design kind of water treatment.Water treatment plant all is to adopt single pond type of planting usually, promptly adopts the single pond of horizontal sedimentation tank or tube settler type.
Advantages such as rectangular sedimentation tank is traditional water treatment building, and it is good to have a hydraulics, and sedimentation effect is stable; But the time of staying is long, low temperature and low turbidity water especially, and the time of staying will surpass 2 hours, and floor space is big, the spoil disposal difficulty, and because floor space is big, it is bigger to do the antifreeze investment of peripheral structure.
Tube settler utilizes shallow pool theory, and it is good to have a treatment effect, and the time of staying is short, and floor space is little, and is applicable to the low temp area that needs insulation, and shortcoming is relatively poor to source water turbidity adaptability, and the front end inclined tube easily stops up etc.
Summary of the invention is at the pluses and minuses of rectangular sedimentation tank and tube settler pond type, and the technical problem to be solved in the present invention is to provide every technical performances such as a kind of sedimentation effect, sludge discharge effects, deposition efficiency, precipitation water cleannes all to be better than the composite precipitation pond of single rectangular sedimentation tank or tube settler.
It is as follows that the present invention solves the problems of the technologies described above the technical scheme of being taked: a kind of composite precipitation pond, comprise tube settler, and it is characterized in that: the front end of tube settler is provided with the horizontal sedimentation tank that a segment length is 12～25m.
Be positioned on the identical horizontal line with at the bottom of the pond of horizontal sedimentation tank at the bottom of the pond of its tube settler of composite precipitation pond; Be equipped with at the bottom of the pond in composite precipitation pond and scrape the mud dolly, be provided with recessed bucket formula collection mud pit at the bottom of the pond, help the gravity spoil disposal at the front end of horizontal sedimentation tank.
The composite precipitation pond is optimized former single sedimentation basin, is the optimum organization of horizontal sedimentation tank and tube settler, has overcome the shortcoming of former single sedimentation basin, and promptly the horizontal sedimentation tank floor space is big, and the insulation measure cost is big, investment is big etc.; The suitable deposition of tube settler front end, the front end inclined tube is fragile etc.
Because invention is the composite precipitation pond is to set up the long horizontal sedimentation tank of one section 12～25m before tube settler, makes a large amount of alumen ustum and dirt in front end advection section precipitation, thereby has alleviated the mud amount load of tube settler; Make the no longer deposition of tube settler front end that is positioned at rear portion, composite precipitation pond, the front end inclined tube is not fragile, prolongs the service life of tube settler.
What be equipped with at the bottom of the pond in composite precipitation pond scrapes the mud dolly, has realized the mechanical dredge to the composite precipitation pond, has thoroughly solved the not smooth problem of sludge from sedimentation tank.
The water treatment procedure of giving of using the composite precipitation pond roughly is: former water dosing is through the laggard flocculation basin of rapid mixing, form alumen ustum in flocculation basin reaction back, flow to the advection section sedimentation basin in composite precipitation pond, the alumen ustum that forms at flocculation basin can precipitate rapidly at horizontal sedimentation tank, flow through when growing the horizontal sedimentation tank of 12～25m, body refuse is in the most of free settling of this horizontal sedimentation tank, clear and definite muddy water boundary sedimentation boundary curve is arranged, the longest 25m of advection segment length, promptly satisfy the precipitation needs of front end alumen ustum and body refuse fully, and then, improved deposition efficiency through the tube settler secondary precipitation, obtain the more precipitation water of cleaning.
A disposal ability is 4200m
3The conventional horizontal sedimentation tank length of/h is generally 108m, and the tube settler length of same disposal ability is generally 30m.Tube settler partial-length of the present invention is 30m, and total length only is about 45m.
The present invention removes mud as far as possible at the horizontal sedimentation tank that is positioned at the tube settler front end, improve sludge discharge effects, has alleviated the mud amount load of tube settler, strengthens sedimentation effect.
The composite precipitation pond is compared with single sedimentation basin, and floor space is little, and construction investment is economized, and operating cost is low, and capacity of resisting impact load is strong, and sedimentation effect is good, has tangible advance and practicality in the city water process field.
Description of drawings Fig. 1 is a composite precipitation pond floor map,
Fig. 2 is the A-A profile among Fig. 1.
Among the figure: the 1-horizontal sedimentation tank, the 2-inclined tube, the 3-water leg, the 4-braiding channel, 5-goes out water channel, and 6-discharge pipeline, 7-are scraped the mud dolly, 8-tube settler, 9-collection mud pit.
The specific embodiment is further described the invention process below in conjunction with accompanying drawing.
As shown in the figure: a kind of composite precipitation pond, comprise tube settler 8, tube settler 8 same as the prior art comprises inclined tube 2, water leg 3, braiding channel 4 and goes out water channel 5 that the front end of tube settler 8 is provided with the horizontal sedimentation tank 1 that a segment length is 12～25m.
The length of horizontal sedimentation tank 1 is looked pending the water yield and is determined.
Be positioned on the identical horizontal line with at the bottom of the pond of horizontal sedimentation tank 1 at the bottom of the pond of its tube settler 8 of composite precipitation pond; Be equipped with at the bottom of the pond in composite precipitation pond and scrape mud dolly 7, be provided with recessed collection mud pit 9 at the bottom of the pond at the front end of horizontal sedimentation tank 1, discharge pipeline 6 is equipped with in collection mud pit 9.
Former water dosing forms alumen ustum through the laggard flocculation basin of rapid mixing after the flocculation basin reaction, flow to the advection section in composite precipitation pond, and the alumen ustum that forms at flocculation basin can precipitate rapidly in the advection section; Length of flow across is 12～25m horizontal sedimentation tank 1, body refuse is in the most of free settling of advection section, clear and definite muddy water boundary sedimentation boundary curve is arranged, clean water is flowed through inclined tube 2 by the water leg 3 collection inflow braiding channels 4 that pool surface is provided with from tube settler 8 bottoms, enter the subsequent processing filter tank by going out water channel 5 again.Fail to precipitate and this part body refuse of entering tube settler 8 slides the bottom that is deposited to tube settler 8 along the tube wall of inclined tube 2 at horizontal sedimentation tank 1, tube settler 8 is scraped to the collection mud pit 9 of horizontal sedimentation tank 1 front end by scraping mud dolly 7 with the heavy mud in the bottom of horizontal sedimentation tank 1, is discharged by discharge pipeline 6 again.Through advection, inclined tube secondary precipitation, improved deposition efficiency, obtain the more precipitation water of cleaning.
Claims (4)
1. a composite precipitation pond comprises tube settler, it is characterized in that: the front end of described tube settler (8) is provided with the horizontal sedimentation tank that a segment length is 12～25m (1).
2. a kind of composite precipitation according to claim 1 pond is characterized in that: be positioned on the identical horizontal line with at the bottom of the pond of described horizontal sedimentation tank (1) at the bottom of the pond of described tube settler (8).
3. a kind of composite precipitation according to claim 1 and 2 pond is characterized in that: be equipped with at the bottom of the pond in described composite precipitation pond and scrape mud dolly (7).
4. a kind of composite precipitation according to claim 3 pond is characterized in that: the front end of described horizontal sedimentation tank (1) is provided with recessed collection mud pit (9) at the bottom of the pond, and discharge pipeline (6) is equipped with in described collection mud pit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010279929 CN101934161A (en) | 2010-09-07 | 2010-09-07 | Composite sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010279929 CN101934161A (en) | 2010-09-07 | 2010-09-07 | Composite sedimentation tank |
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| Publication Number | Publication Date |
|---|---|
| CN101934161A true CN101934161A (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010279929 Pending CN101934161A (en) | 2010-09-07 | 2010-09-07 | Composite sedimentation tank |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179104A (en) * | 2011-05-06 | 2011-09-14 | 上海市松江自来水公司 | Method for reconstructing advection type precipitation pond |
| CN102261125A (en) * | 2011-07-18 | 2011-11-30 | 朱向宏 | Motorless multifunctional rain and flood control and utilization device |
| CN102580365A (en) * | 2012-03-28 | 2012-07-18 | 甘肃金桥给水排水设计与工程(集团)有限公司 | Integrated sediment clarifier |
| CN102772921A (en) * | 2011-05-09 | 2012-11-14 | 宜兴市填料厂 | Sector filling material for circular water-treatment sedimentation basin |
| CN105169764A (en) * | 2015-10-14 | 2015-12-23 | 攀钢集团成都钢钒有限公司 | Oil-containing sewage treatment device |
| CN105396336A (en) * | 2015-12-17 | 2016-03-16 | 江苏睿济鼎洲科技工程有限公司 | Spiral-flow type siphon mud-discharging apparatus |
| CN107715514A (en) * | 2017-11-27 | 2018-02-23 | 温州市公用事业投资集团有限公司自来水分公司 | A kind of sedimentation basin for water process |
| CN108423868A (en) * | 2018-03-08 | 2018-08-21 | 中国市政工程中南设计研究总院有限公司 | Combined type sedimentation basin |
| CN112245979A (en) * | 2020-09-16 | 2021-01-22 | 深圳市南方水务有限公司 | High-efficient sedimentation tank convenient to clearance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2915215Y (en) * | 2006-05-29 | 2007-06-27 | 中国市政工程华北设计研究院 | Two layer combined deposition device |
| CN201791404U (en) * | 2010-09-07 | 2011-04-13 | 中国市政工程西北设计研究院有限公司 | Composite sedimentation tank |
-
2010
- 2010-09-07 CN CN 201010279929 patent/CN101934161A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2915215Y (en) * | 2006-05-29 | 2007-06-27 | 中国市政工程华北设计研究院 | Two layer combined deposition device |
| CN201791404U (en) * | 2010-09-07 | 2011-04-13 | 中国市政工程西北设计研究院有限公司 | Composite sedimentation tank |
Non-Patent Citations (1)
| Title |
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| 《净水技术》 20031231 罗岳平等 用斜管（板）沉降***改造矩形平流沉淀池--平流斜管（板）组合沉淀池 45-47 1-4 第22卷, 第5期 2 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179104A (en) * | 2011-05-06 | 2011-09-14 | 上海市松江自来水公司 | Method for reconstructing advection type precipitation pond |
| CN102772921A (en) * | 2011-05-09 | 2012-11-14 | 宜兴市填料厂 | Sector filling material for circular water-treatment sedimentation basin |
| CN102261125A (en) * | 2011-07-18 | 2011-11-30 | 朱向宏 | Motorless multifunctional rain and flood control and utilization device |
| CN102580365A (en) * | 2012-03-28 | 2012-07-18 | 甘肃金桥给水排水设计与工程(集团)有限公司 | Integrated sediment clarifier |
| CN105169764A (en) * | 2015-10-14 | 2015-12-23 | 攀钢集团成都钢钒有限公司 | Oil-containing sewage treatment device |
| CN105396336A (en) * | 2015-12-17 | 2016-03-16 | 江苏睿济鼎洲科技工程有限公司 | Spiral-flow type siphon mud-discharging apparatus |
| CN107715514A (en) * | 2017-11-27 | 2018-02-23 | 温州市公用事业投资集团有限公司自来水分公司 | A kind of sedimentation basin for water process |
| CN108423868A (en) * | 2018-03-08 | 2018-08-21 | 中国市政工程中南设计研究总院有限公司 | Combined type sedimentation basin |
| CN112245979A (en) * | 2020-09-16 | 2021-01-22 | 深圳市南方水务有限公司 | High-efficient sedimentation tank convenient to clearance |
| CN112245979B (en) * | 2020-09-16 | 2022-04-12 | 深圳市南方水务有限公司 | High-efficient sedimentation tank convenient to clearance |
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Application publication date: 20110105 |