CN102808448A - Dry weather flow and initial rainwater multifunctional catch basin for combined network - Google Patents

Dry weather flow and initial rainwater multifunctional catch basin for combined network Download PDF

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Publication number
CN102808448A
CN102808448A CN2012102890348A CN201210289034A CN102808448A CN 102808448 A CN102808448 A CN 102808448A CN 2012102890348 A CN2012102890348 A CN 2012102890348A CN 201210289034 A CN201210289034 A CN 201210289034A CN 102808448 A CN102808448 A CN 102808448A
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CN
China
Prior art keywords
catchpit
well body
water inlet
sewage
catch basin
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.)
Pending
Application number
CN2012102890348A
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Chinese (zh)
Inventor
张显忠
谢勇
胡龙
徐连军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Urban Construction Design Research Institute Co ltd
Original Assignee
Shanghai Urban Construction Design Research Institute Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Urban Construction Design Research Institute Co ltd filed Critical Shanghai Urban Construction Design Research Institute Co ltd
Priority to CN2012102890348A priority Critical patent/CN102808448A/en
Publication of CN102808448A publication Critical patent/CN102808448A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a dry weather flow and initial rainwater multifunctional catch basin for a combined network. The dry weather flow and initial rainwater multifunctional catch basin for the combined network comprises a basin body. The basin body is provided with an interceptor sewer extending to a sewage plant, an initial rainwater interceptor extending to a regulation and storage pipe, a water outlet communicated with a river channel, and a water inlet communicated with a combining pipe. The catch basin further comprises a filter layer disposed in the basin body. The filter layer is disposed between the water inlet and the water outlet so that a water inlet area close to one side of the water inlet and a water outlet area close to one side of the water outlet form in the basin body. The filter layer comprises a stop board disposed on the upper portion of the basin body, an overflow weir disposed on the lower portion of the basin body and a filter net disposed between the stop board and the overflow weir. The stop board is provided with through holes. The dry weather flow and initial rainwater multifunctional catch basin for the combined network has the advantages that the multifunctional catch basin is convenient to implement, the filter layer can be cleaned automatically, intercepting effect is improved, service life of the catch basin is prolonged, and river channel pollution is reduced.

Description

The multi-functional catchpit of combined system pipe network dry flow sewage and early-stage rainwater
Technical field
The present invention relates to the urban sewerage and drainage technical field, relate in particular to a kind of combined system pipe network dry flow sewage and the multi-functional catchpit of early-stage rainwater.
Background technology
Along with the development of industrial economy and the discharging of people's daily life waste water, the river course in a lot of cities is by severe contamination, and the waterlogging problem in city is also serious day by day, and this problem is ubiquitous in the whole nation.
In order to prevent the pollution of river, need to collect early-stage rainwater and dry flow sewage, common means are to dam before the river course draining, carrying out sewage, but pipeline is limited in one's ability because bank is dammed, and the rainy day is easy to generate overflow, makes the river course receive severe contamination.
Therefore, combined system pipe network dry flow sewage and the multi-functional catchpit of early-stage rainwater that those skilled in the art is devoted to develop a kind of convenience, can implements, can carry out self-cleaning to filtration beds improve greatly and dam effect and application life, reduce the pollution of river.
Summary of the invention
Because the deficiency of above-mentioned prior art; Combined system pipe network dry flow sewage and the multi-functional catchpit of early-stage rainwater that technical problem to be solved by this invention provides a kind of convenience, can implement, can carry out self-cleaning to filtration beds; Improve greatly and dam effect and application life, reduce the pollution of river.
For realizing above-mentioned purpose; The invention provides a kind of combined system pipe network dry flow sewage and the multi-functional catchpit of early-stage rainwater; Comprise the well body, said well body have one extend to Sewage Plant sewage intercepting sewer, extend to outfall that the first rain intercepting sewer, of the pipe of regulating and storing connects with the river course, one and the water inlet of collecting fitting perforation; Wherein, Said catchpit also comprises the filtration beds that is arranged in the said well body, and said filtration beds is arranged between said water inlet and the said outfall in said well body, to form goes into pool and catchment near said outfall one side near said water inlet one side; Said filtration beds comprises the baffle plate that is arranged on said well body top, is arranged on the overflow weir of said well body bottom and is arranged on the screen pack between said baffle plate and the overflow weir, offers through hole on the said baffle plate; Said baffle plate is the parallel setting of staggering with said overflow weir.
Preferable, said screen pack is the semicircle screen cloth.
Preferable, said outfall place is provided with lock gate for flood protection.
Preferable, said rain intercepting sewer just and said well body junction are provided with oil pressure rainwater gate.
Preferable, said sewage intercepting sewer and well body junction are provided with oil pressure rainwater gate.
Preferable, lean on catchment one side to be provided with flap valve on the said through hole.
The invention has the beneficial effects as follows:
Catchpit of the present invention can be realized: the sewage intercepting sewer sewage that dams gets into Wastewater Treatment Plant during dry season, during rainy season at the beginning of rain filter the back through filtration beds and get into just that the rain intercepting sewer comes together in the pipe of regulating and storing, the later stage dmp filter that the heavy rain later stage exceeds the ability of regulating and storing discharges the river course; Sewage intercepting sewer gate is opened in catchpit capable of using catchment retaining then, and periodic flushing semicircle screen cloth had not only reduced workload but also had been convenient to safeguard the performance of filtration beds; Or open rain intercepting sewer gate just, the periodic flushing pipe of regulating and storing had not only reduced workload but also had been convenient to safeguard that the pipe of regulating and storing moved.
It is that the mode that the parallel setting of staggering, centre are provided with the semicircle screen cloth arranges to have two-dimentional filtering function that filtration beds described in the present invention adopts baffle plate and said overflow weir, can more effectively tackle floating substance, suspended material, deposited material; Filter before adopting overflow weir, rubbish gets into Sewage Plant through intercepting sewer, can reduce garbage-cleaning work amount; Through nylon bristle can carry out forced liquidation to mesh plate, screen cloth presents 180 ° of semi-circular shapes, relatively has more 60% above filter area with the grizzly bar net; Overflow weir and semicircle screen cloth can according to circumstances be adjusted direction is set, and are convenient to combine to be provided with the present situation collecting fitting, and be more conducive to dam sewage and early-stage rainwater reduce floor space.
The present invention adopts oil pressure rainwater gate and flap valve, pours in down a chimney good effect is arranged controlling rain overflow just and river course water, has overcome traditional gate and has damaged easily and be difficult to high-speed switch, causes the overflow of the pipeline upper reaches, influences the defective of sewage collecting and draining in rainy season.
In sum, combined system pipe network dry flow sewage and the multi-functional catchpit of early-stage rainwater that the present invention is a kind of convenience, can implement, can carry out self-cleaning to filtration beds improve greatly and dam effect and application life, reduce the pollution of river.The present invention is provided with flexibly, and the few and stability of flow of equipment is provided with flexibly, can fully combine present situation cut that dirty pipe carries out that dry flow sewage transfers and just rain dam, reduces newly-built rain conduit system just, the minimizing well setting that becomes a mandarin.Solve the combined system pipe network difficult problem of rain polluted river channel just, and can guarantee to bring into play maximum environmental benefit under the normal function situation of pipe network operation and river course flood control, operational management is convenient.
Below will combine accompanying drawing that the technique effect of design of the present invention, concrete structure and generation is described further, to understand the object of the invention, characteristic and effect fully.
Description of drawings
Fig. 1 is the structural representation of the present invention's one specific embodiment.
Fig. 2 is the schematic cross-section of the A-A of Fig. 1.
The specific embodiment
Shown in accompanying drawing 1 and accompanying drawing 2; Combined system pipe network dry flow sewage of this specific embodiment and the multi-functional catchpit of early-stage rainwater; Comprise well body 1, well body 1 have one extend to Sewage Plant sewage intercepting sewer 3, extend to outfall that the first rain intercepting sewer 4, of the pipe of regulating and storing connects with the river course 11, one and the water inlet 8 of collecting fitting 2 perforations.
Wherein, catchpit also comprises the filtration beds that is arranged in the well body 1, said filtration beds be arranged between water inlet 8 and the outfall 11 with well body 1 in, form near water inlet 8 one sides go into pool 9 and near the catchment 10 of outfall 11 1 sides; Said filtration beds comprise the baffle plate 5 that is arranged on well body 3 tops, be arranged on the overflow weir 7 of well body 3 bottoms and be arranged on baffle plate 5 and overflow weir 7 between screen pack 6, offer through hole 12 on the baffle plate 5.
For further optimizing filter effect; Increase work efficiency; Shown in accompanying drawing, filtration beds can become certain angle of inclination to be provided with well body inwall also can be vertical setting, and baffle plate 5 is the parallel setting of staggering with overflow weir 7; Screen pack 6 adopts the semicircle screen cloth; 11 places are provided with lock gate for flood protection 14 in outfall, are provided with oil pressure rainwater gate 13 at first rain intercepting sewer 4 and well body 3 junctions, sewage intercepting sewer 3 with well body 3 junctions, on through hole 12, lean on catchment 10 1 sides to be provided with flap valve (not drawing among the figure).
Exemplary, present embodiment is to use like this:
The catchpit of present embodiment is arranged between collecting fitting and the river course, realizes: during dry season, the sewage intercepting sewer sewage that collecting fitting discharges that dams gets into Wastewater Treatment Plant; During rainy season, first rain gets into first rain intercepting sewer and comes together in the pipe of regulating and storing after filtration beds filters; In the heavy rain later stage, the later stage dmp filter that exceeds the ability of regulating and storing discharges the river course.
Wherein, sewage intercepting sewer gate is opened in catchpit also capable of using catchment retaining then, and periodic flushing semicircle screen cloth had not only reduced workload but also had been convenient to safeguard the performance of filtration beds; Or open rain intercepting sewer gate just, the periodic flushing pipe of regulating and storing had not only reduced workload but also had been convenient to safeguard that the pipe of regulating and storing moved.
For example; Semicircle screen cloth 6 stops up and/or to go into pool 9 water levels too high; Can will go into the water importing catchment 10 in pool 9 through through hole 12; Discharge or retaining is carried out in catchment 10, pour in down a chimney then into going into pool 9 backward erosion semicircle screen clothes 6 and reach the purpose of cleaning and filtering net, rubbish can clean out catchpit 3 through sewage intercepting sewer etc.
Catchpit of the present invention can be realized: the sewage intercepting sewer sewage that dams gets into Wastewater Treatment Plant during dry season, during rainy season at the beginning of rain filter the back through filtration beds and get into just that the rain intercepting sewer comes together in the pipe of regulating and storing, the later stage dmp filter that the heavy rain later stage exceeds the ability of regulating and storing discharges the river course; Sewage intercepting sewer gate is opened in catchpit capable of using catchment retaining then, and periodic flushing semicircle screen cloth had not only reduced workload but also had been convenient to safeguard the performance of filtration beds; Or open rain intercepting sewer gate just, the periodic flushing pipe of regulating and storing had not only reduced workload but also had been convenient to safeguard that the pipe of regulating and storing moved.
It is that the mode that the parallel setting of staggering, centre are provided with the semicircle screen cloth arranges to have two-dimentional filtering function that filtration beds described in the present invention adopts baffle plate and said overflow weir, can more effectively tackle floating substance, suspended material, deposited material; Filter before adopting overflow weir, rubbish gets into Sewage Plant through intercepting sewer, can reduce garbage-cleaning work amount; Through nylon bristle can carry out forced liquidation to mesh plate, screen cloth presents 180 ° of semi-circular shapes, relatively has more 60% above filter area with the grizzly bar net; Overflow weir and semicircle screen cloth can according to circumstances be adjusted direction is set, and are convenient to combine to be provided with the present situation collecting fitting, and be more conducive to dam sewage and early-stage rainwater reduce floor space.
The present invention adopts oil pressure rainwater gate and flap valve, pours in down a chimney good effect is arranged controlling rain overflow just and river course water, has overcome traditional gate and has damaged easily and be difficult to high-speed switch, causes the overflow of the pipeline upper reaches, influences the defective of sewage collecting and draining in rainy season.
In sum, combined system pipe network dry flow sewage and the multi-functional catchpit of early-stage rainwater that the present invention is a kind of convenience, can implement, can carry out self-cleaning to filtration beds improve greatly and dam effect and application life, reduce the pollution of river.The present invention is provided with flexibly, and the few and stability of flow of equipment is provided with flexibly, can fully combine present situation cut that dirty pipe carries out that dry flow sewage transfers and just rain dam, reduces newly-built rain conduit system just, the minimizing well setting that becomes a mandarin.Solve the combined system pipe network difficult problem of rain polluted river channel just, and can guarantee to bring into play maximum environmental benefit under the normal function situation of pipe network operation and river course flood control, operational management is convenient.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can design according to the present invention make many modifications and variation.Therefore, all technician in the art all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment.

Claims (6)

1. combined system pipe network dry flow sewage and the multi-functional catchpit of early-stage rainwater; Comprise the well body, said well body have one extend to Sewage Plant sewage intercepting sewer, extend to outfall that the first rain intercepting sewer, of the pipe of regulating and storing connects with the river course, one and the water inlet of collecting fitting perforation; It is characterized in that: said catchpit also comprises the filtration beds that is arranged in the said well body, and said filtration beds is arranged between said water inlet and the said outfall in said well body, to form goes into pool and catchment near said outfall one side near said water inlet one side; Said filtration beds comprises the baffle plate that is arranged on said well body top, is arranged on the overflow weir of said well body bottom and is arranged on the screen pack between said baffle plate and the overflow weir, offers through hole on the said baffle plate; Said baffle plate is the parallel setting of staggering with said overflow weir.
2. catchpit as claimed in claim 1 is characterized in that: said screen pack is the semicircle screen cloth.
3. catchpit as claimed in claim 1 is characterized in that: said outfall place is provided with lock gate for flood protection.
4. catchpit as claimed in claim 1 is characterized in that: said rain intercepting sewer just and said well body junction are provided with oil pressure rainwater gate.
5. catchpit as claimed in claim 1 is characterized in that: said sewage intercepting sewer and well body junction are provided with oil pressure rainwater gate.
6. catchpit as claimed in claim 1 is characterized in that: lean on catchment one side to be provided with flap valve on the said through hole.
CN2012102890348A 2012-08-14 2012-08-14 Dry weather flow and initial rainwater multifunctional catch basin for combined network Pending CN102808448A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103835363A (en) * 2014-02-21 2014-06-04 武汉圣禹排水系统有限公司 Electric combined system pipe network intercepting well
CN103850331A (en) * 2014-02-21 2014-06-11 武汉圣禹排水系统有限公司 Separate system pipe network catch basin system and control method thereof
CN103850327A (en) * 2014-02-21 2014-06-11 武汉圣禹排水系统有限公司 Combined system pipe network intercepting well system and control method thereof
CN103850329A (en) * 2014-02-21 2014-06-11 武汉圣禹排水系统有限公司 Electric separated pipe network catch basin
CN103850334A (en) * 2014-02-21 2014-06-11 武汉圣禹排水系统有限公司 Separated pipe network catch basin system and control method thereof
CN103850332A (en) * 2014-02-21 2014-06-11 武汉圣禹排水系统有限公司 Combined system pipe network intercepting well system and control method thereof
CN104047353A (en) * 2014-06-11 2014-09-17 深圳天澄科工水系统工程有限公司 Membrane separation technology-based rainwater sewage interception device and method
CN104278736A (en) * 2014-11-04 2015-01-14 常熟市浩通水利工程有限公司 Rainwater-sewage splitting device
CN105064274A (en) * 2015-08-26 2015-11-18 上海市城市建设设计研究总院 Storing and discharging integrated box-type revetment
CN105544707A (en) * 2015-12-10 2016-05-04 上海市城市建设设计研究总院 Overflow control system
CN105672462A (en) * 2016-03-07 2016-06-15 济创环保工程(苏州)有限公司 Electronic control current-limiting intelligent intercepting well with partition board dreg retaining device
CN105672463A (en) * 2016-03-07 2016-06-15 济创环保工程(苏州)有限公司 Unpowered current-limiting intelligent intercepting well with partition board dreg retaining device
CN106149852A (en) * 2016-07-28 2016-11-23 深圳朝伟达科技有限公司 Intercepting pollution for rainwater device based on membrane separation technique
WO2018018657A1 (en) * 2016-07-28 2018-02-01 深圳朝伟达科技有限公司 Rainwater sewage interception method based on membrane separation technique
CN109723134A (en) * 2018-12-20 2019-05-07 常州市市政工程设计研究院有限公司 Novel flow-stopping pumping plant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2452108A (en) * 2007-03-05 2009-02-25 Colm Concannon A storm water management system
CN102182242A (en) * 2011-04-06 2011-09-14 清华大学深圳研究生院 Rainwater treatment system and rainwater treatment method
CN102587486A (en) * 2012-03-27 2012-07-18 上海市城市建设设计研究总院 Hidden-buried sewage interception facility inside river bank
CN102603075A (en) * 2012-03-27 2012-07-25 苏州德华生态环境科技有限公司 Grass stream ecological corridor facility for collecting and treating rainwater at shores of river and lake
CN202689172U (en) * 2012-08-14 2013-01-23 上海市城市建设设计研究总院 Combined system pipe network dry weather sewage and initial rainwater multifunctional intercepting well

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2452108A (en) * 2007-03-05 2009-02-25 Colm Concannon A storm water management system
CN102182242A (en) * 2011-04-06 2011-09-14 清华大学深圳研究生院 Rainwater treatment system and rainwater treatment method
CN102587486A (en) * 2012-03-27 2012-07-18 上海市城市建设设计研究总院 Hidden-buried sewage interception facility inside river bank
CN102603075A (en) * 2012-03-27 2012-07-25 苏州德华生态环境科技有限公司 Grass stream ecological corridor facility for collecting and treating rainwater at shores of river and lake
CN202689172U (en) * 2012-08-14 2013-01-23 上海市城市建设设计研究总院 Combined system pipe network dry weather sewage and initial rainwater multifunctional intercepting well

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103850332B (en) * 2014-02-21 2015-12-02 武汉圣禹排水系统有限公司 A kind of combined system pipe network catchpit system and control method thereof
CN103850327A (en) * 2014-02-21 2014-06-11 武汉圣禹排水系统有限公司 Combined system pipe network intercepting well system and control method thereof
CN103835363A (en) * 2014-02-21 2014-06-04 武汉圣禹排水系统有限公司 Electric combined system pipe network intercepting well
CN103850329A (en) * 2014-02-21 2014-06-11 武汉圣禹排水系统有限公司 Electric separated pipe network catch basin
CN103850334A (en) * 2014-02-21 2014-06-11 武汉圣禹排水系统有限公司 Separated pipe network catch basin system and control method thereof
CN103850332A (en) * 2014-02-21 2014-06-11 武汉圣禹排水系统有限公司 Combined system pipe network intercepting well system and control method thereof
CN103850331B (en) * 2014-02-21 2016-06-08 武汉圣禹排水系统有限公司 A kind of separate system pipe network Vatch basin system and control method thereof
CN103850334B (en) * 2014-02-21 2016-06-08 武汉圣禹排水系统有限公司 Separate system pipe network Vatch basin system and control method thereof
CN103835363B (en) * 2014-02-21 2015-07-08 武汉圣禹排水系统有限公司 Electric combined system pipe network intercepting well
CN103850329B (en) * 2014-02-21 2015-12-23 武汉圣禹排水系统有限公司 Electrical shunt tubulation net catchpit
CN103850331A (en) * 2014-02-21 2014-06-11 武汉圣禹排水系统有限公司 Separate system pipe network catch basin system and control method thereof
CN103850327B (en) * 2014-02-21 2015-12-09 武汉圣禹排水系统有限公司 Combined system pipe network catchpit system and control method thereof
CN104047353A (en) * 2014-06-11 2014-09-17 深圳天澄科工水系统工程有限公司 Membrane separation technology-based rainwater sewage interception device and method
CN104278736A (en) * 2014-11-04 2015-01-14 常熟市浩通水利工程有限公司 Rainwater-sewage splitting device
CN105064274A (en) * 2015-08-26 2015-11-18 上海市城市建设设计研究总院 Storing and discharging integrated box-type revetment
CN105544707A (en) * 2015-12-10 2016-05-04 上海市城市建设设计研究总院 Overflow control system
CN105672462A (en) * 2016-03-07 2016-06-15 济创环保工程(苏州)有限公司 Electronic control current-limiting intelligent intercepting well with partition board dreg retaining device
CN105672463A (en) * 2016-03-07 2016-06-15 济创环保工程(苏州)有限公司 Unpowered current-limiting intelligent intercepting well with partition board dreg retaining device
CN105672462B (en) * 2016-03-07 2018-12-04 洼石环境工程(上海)有限公司 A kind of automatically controlled current-limiting type wisdom Vatch basin with partition retaining device
CN106149852A (en) * 2016-07-28 2016-11-23 深圳朝伟达科技有限公司 Intercepting pollution for rainwater device based on membrane separation technique
WO2018018657A1 (en) * 2016-07-28 2018-02-01 深圳朝伟达科技有限公司 Rainwater sewage interception method based on membrane separation technique
WO2018018656A1 (en) * 2016-07-28 2018-02-01 深圳朝伟达科技有限公司 Rainwater sewage interception device based on membrane separation technique
CN109723134A (en) * 2018-12-20 2019-05-07 常州市市政工程设计研究院有限公司 Novel flow-stopping pumping plant

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Application publication date: 20121205