CN104047359B - Jump weir formula cuts dirty inlet for stom water - Google Patents
Jump weir formula cuts dirty inlet for stom water Download PDFInfo
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- CN104047359B CN104047359B CN201410328838.3A CN201410328838A CN104047359B CN 104047359 B CN104047359 B CN 104047359B CN 201410328838 A CN201410328838 A CN 201410328838A CN 104047359 B CN104047359 B CN 104047359B
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Abstract
The invention discloses a kind of jump weir formula and cut dirty inlet for stom water, comprise the grate and section dirty inlet for stom water that are arranged at inlet for stom water, described section of dirty inlet for stom water comprises the first inlet for stom water and second section of dirty chamber; Be provided with connecting pipeline between described first inlet for stom water and described second section of dirty chamber, be provided with adjustable weir plate in described second section of dirty chamber, the height of described weir plate is lower than the height of described connecting pipeline; Described second section of dirty chamber is divided into the first Room and the second Room that top communicates by described weir plate; Described first indoor are provided with the dirt that cuts be connected with waste pipe network system and manage, and described second indoor are provided with the rain pipe be connected with storm sewer system.The present invention owing to being provided with adjustable weir plate in second section of dirty chamber, thus it is effective to have section dirt, and structure is simple, easy to operate, without the need to electric and artificial apparatus, and the beneficial effect that cost is low.
Description
Technical field
The present invention relates to technical field of drainage, particularly relate to a kind of jump weir formula and cut dirty inlet for stom water.
Background technology
During town road is built, generally early-stage rainwater is directly entered storm sewer by inlet for stom water, in rainwater, the pollutant such as leaf, branch, plastics of large-size is tackled by downspout strainer, and the particulate pollutant that size is less but enters pipe-line system with rainwater.Research shows, early-stage rainwater is often with a large amount of particulate pollutants, and these pollutants enter meeting polluted river channel behind river course, so need to collect early-stage rainwater, and row discharge again after process.
In order to solve existing technical problem, many technician are studying technical scheme early-stage rainwater being retained to process always.As Chinese patent CN203334416U discloses a kind of multi-functional pollution cutting device, comprise the dirty Pipeline River of rain, room, rainwater main channel, wastewater interception pipe and storm drain lines, self-closing device is provided with between room, rainwater main channel and the dirty Pipeline River of rain, catch the floating or sinking to control by ball float of described self-closing device, the pollution cutting device of this structure can guide inflation rainwater to enter Wastewater Treatment Plant by pre-routing, but complex structure, maintenance difficult.
And for example Chinese patent CN102518200A discloses a kind of slab culvert sewage intercepting well, the flow direction of early-stage rainwater when this section of dirty structure controls different early-stage rainwater interception by the flap valve be arranged between first section of dirty chamber and second section of dirty chamber.Section dirty well of this structure, require higher to the materials and structures of flap valve, if flap valve is heavier, current are difficult to be pushed open sometimes, cause ducts upstream overflow, affect proper drainage; If flap valve is comparatively light, flap valve not only easily damages, and flap valve may be open when current are little, thus will originally need the water carrying out processing through Sewage Plant directly to discharge, polluted river channel.
Therefore, those skilled in the art are devoted to study a kind of structure pollution cutting device simple, easy to use always.
Summary of the invention
Because the above-mentioned defect of prior art, the invention provides a kind of structure simple, cut dirty effective jump weir formula and cut dirty inlet for stom water.
For achieving the above object, the invention discloses a kind of jump weir formula and cut dirty inlet for stom water, comprise the grate and section dirty inlet for stom water that are arranged at inlet for stom water, described section of dirty inlet for stom water comprises the first inlet for stom water and second section of dirty chamber; Be provided with connecting pipeline between described first inlet for stom water and described second section of dirty chamber, be provided with adjustable weir plate in described second section of dirty chamber, the height of described weir plate is lower than the height of described connecting pipeline; Described second section of dirty chamber is divided into the first Room and the second Room that top communicates by described weir plate; Described first indoor are provided with the dirt that cuts be connected with waste pipe network system and manage, and described second indoor are provided with the rain pipe be connected with storm sewer system; Be provided with pipeline in described connecting pipeline, described pipeline stretches out in described second section of dirty chamber, and described pipeline is less than the distance of end to described weir plate of described connecting pipeline from the end of described connecting pipeline to the length that described second section of dirty chamber is stretched out.
Further, described pipeline is cast-iron pipe.
Further, also comprise access hole, described access hole is arranged at the described top cutting dirty chamber, through with described section of dirty chamber.
Further, filter is provided with in described section of dirty well.
Further, described filter is filtering grid.
Beneficial effect of the present invention:
Jump weir of the present invention formula cuts dirty inlet for stom water, owing to being provided with adjustable weir plate in second section of dirty chamber, can retain according to the size of rainfall to early-stage rainwater, avoids directly entering river course and then polluted river channel through the early-stage rainwater of Sewage Plant.
The height of weir plate and position are through specially designed, and height, the position of weir plate are relevant to the water outlet drop point of pipeline.When rainwater is little or Rainwater Initial, the water outlet drop point entering the sewage of piping is comparatively near, directly enters the first Room.During rainwater comparatively large or later stage, the water outlet drop point entering the sewage of piping is comparatively far away, directly enters the second Room.
Because weir plate can regulate, can require according to specific design the height regulating weir plate during construction, simplify difficulty of construction, safeguard that the stage supported by pipe in the future, also can reset weir plate height according to actual amount of rainfall.
The present invention reaches by the weir plate be arranged in second section of dirty chamber the object retained early-stage rainwater, and without the need to electric and artificial apparatus, structure is simple, easy to operate.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is that the present embodiment jump weir formula cuts dirty inlet for stom water plane structure schematic diagram;
Fig. 2 be in Fig. 1 I-I to plane structure schematic diagram.
Reference numeral: the first Room 22, Room 21, second, inlet for stom water 1, second section dirty chamber 2, first, adjustable weir plate 23, cuts dirty pipe 211, rain pipe 221, cast iron pipe 3, access hole 4, grate 5, curb 6.
Detailed description of the invention
As depicted in figs. 1 and 2, the present embodiment proposes a kind of jump weir formula and cuts dirty inlet for stom water, comprise the grate 5 and section dirty inlet for stom water that are arranged at inlet for stom water, cut dirty inlet for stom water and comprise the first inlet for stom water 1 and second section of dirty chamber 2, be provided with connecting pipeline between first inlet for stom water 1 and second section of dirty chamber 2, be provided with pipeline in connecting pipeline and flow in second section of dirty chamber 2 from the first inlet for stom water 1 for rainwater.
In the present embodiment, adopt cast iron pipe 3 as connecting pipe.Cast iron pipe corrosion resistance is strong, and breakage rate is low, can reduce the replacing number of times of pipeline, cost-saving.
Be provided with adjustable weir plate 23 in second section of dirty chamber, second section of dirty chamber 2 is divided into the first Room 21 and the second Room 22 that top communicates by this weir plate 23.Be provided with cutting in dirty pipe 211, second Room 22 of being connected with waste pipe network system in first Room 21 and be provided with the rain pipe 221 be connected with storm sewer system.
Cast iron pipe 3 stretches out in second section of dirty chamber 2, its length of stretching out is less than the distance of end to weir plate 23 of connecting pipeline, namely certain gap is had in the horizontal direction between the end of cast iron pipe and weir plate, thus can ensure when rainwater is little, sewage can be flowed in the first Room 21 by cast iron pipe.
Because the first Room 21 and the second top, Room 22 communicate, when the height of the sewage quantity in the first Room exceedes weir plate height, sewage can flow in the second Room 22.
Adjust for the ease of the height of early-stage rainwater amount to weir plate according to different regions, in the present embodiment, the height of weir plate is adjustable, its height can be adjusted according to early-stage rainwater amount during installation, reduce difficulty of construction, safeguard that the stage supported by pipe, also can reset weir plate height according to actual amount of rainfall in the future.
The upper end in second section of dirty chamber is also provided with access hole 4, and staff can detect cutting dirty chamber, resets weir plate height or change facility in it according to concrete rain event.
For the ease of retaining entering the bulk rubbish cutting dirty inlet for stom water, cutting in dirty inlet for stom water and being also provided with filtering grid (not shown).In other embodiments, also according to the main component of local rubbish, other filter can be adopted, as screen pack etc.
Embody rule situation of the present invention is as follows:
As aforementioned, weir plate is arranged in second section of dirty chamber, according to ground charge for remittance flow and jump weir design formulas:
Q＝Ψ*F*q，X＝0.36*V2/3+0.6Y4/7
And inlet for stom water discharge, such as flat grate formula list gutter inlet grating discharge is 20L/S, the discharging capacity of the two comb inlet for stom water of flat comb formula is 35L/S, the discharging capacity of flat comb formula many combs inlet for stom water is 15L/S (often combing) etc., regulate the height of weir plate, make it reach the requirement of early-stage rainwater flow, thus when ensureing that rainfall is little, the early-stage rainwater entering well body can flow into the first indoor.
As can be seen from description above, early-stage rainwater flow is mainly subject to the control of ground charge for remittance flow and rainwater flow velocity.When the amount of rainfall collected is lower than early-stage rainwater flow, the flow velocity of rainwater is lower, and current cannot climb over weir plate, but enters the first Room, and enter waste pipe network system by cutting dirty pipe, final early-stage rainwater is admitted to Wastewater Treatment Plant and processes; When amount of precipitation is larger, the amount of rainfall collected in inlet for stom water is higher than early-stage rainwater flow, rainwater flow velocity is higher, the rainwater flowing out cast iron pipe can cross weir plate, directly enter the second Room, and enter storm sewer system by rain pipe, thus can avoid when rainwater flow is large, ducts upstream overflow, affects proper drainage.
Jump weir of the present invention formula cuts dirty inlet for stom water, owing to being provided with weir plate in second section of dirty chamber, thus realizes the collection to early-stage rainwater, avoids early-stage rainwater directly to enter river course and then polluted river channel.
Because weir plate height can regulate, the height of weir plate can be regulated during construction according to specific requirement, simplify difficulty of construction.
Structure of the present invention is simple, does not have rotatable parts, so can not because of the defect such as use the rotation caused inconvenient for a long time.
The present invention reaches by the weir plate be arranged in second section of dirty chamber the object retained early-stage rainwater, and without the need to electric and artificial apparatus, structure is simple, easy to operate.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (5)
1. jump weir formula cuts a dirty inlet for stom water, and comprise the grate and section dirty inlet for stom water that are arranged at inlet for stom water, described section of dirty inlet for stom water comprises the first inlet for stom water and second section of dirty chamber; Be provided with connecting pipeline between described first inlet for stom water and described second section of dirty chamber, it is characterized in that, be provided with adjustable weir plate in described second section of dirty chamber, the height of described weir plate is lower than the height of described connecting pipeline; Described second section of dirty chamber is divided into the first Room and the second Room that top communicates by described weir plate; Described first Room is connected with waste pipe network system, and described second Room is connected with storm sewer system; Be provided with pipeline in described connecting pipeline, described pipeline stretches out in described second section of dirty chamber, and described pipeline is less than the distance of end to described weir plate of described connecting pipeline from the end of described connecting pipeline to the length that described second section of dirty chamber is stretched out.
2. jump weir as claimed in claim 1 formula cuts dirty inlet for stom water, and it is characterized in that, described pipeline is cast-iron pipe.
3. jump weir as claimed in claim 2 formula cuts dirty inlet for stom water, it is characterized in that, also comprises access hole, and described access hole is arranged at the described top cutting dirty chamber.
4. jump weir as claimed in claim 3 formula cuts dirty inlet for stom water, it is characterized in that, is provided with filter in described section of dirty well.
5. jump weir as claimed in claim 4 formula cuts dirty inlet for stom water, and it is characterized in that, described filter is filtering grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410328838.3A CN104047359B (en) | 2014-07-09 | 2014-07-09 | Jump weir formula cuts dirty inlet for stom water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410328838.3A CN104047359B (en) | 2014-07-09 | 2014-07-09 | Jump weir formula cuts dirty inlet for stom water |
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| CN104047359A CN104047359A (en) | 2014-09-17 |
| CN104047359B true CN104047359B (en) | 2015-11-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105587029A (en) * | 2016-03-08 | 2016-05-18 | 大连市市政设计研究院有限责任公司 | Gutter inlet special for rainwater utilization |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011202472A (en) * | 2010-03-26 | 2011-10-13 | Sekisui Plastics Co Ltd | Catch basin for roadside ditch, and facility for suppressing outflow of rainwater, equipped with the same |
| CN102261124A (en) * | 2011-05-13 | 2011-11-30 | 浙江大学 | Eccentric type curved weir intercepting well |
| CN202831198U (en) * | 2012-09-24 | 2013-03-27 | 福州市规划设计研究院 | Sewage intercepting well capable of preventing river water from flowing backward |
| KR20130071379A (en) * | 2011-12-20 | 2013-06-28 | (주) 선암기술연구소 | Groundwater treatment system of rainwater and construction methode thereof |
| CN203200889U (en) * | 2013-04-16 | 2013-09-18 | 机械工业第三设计研究院 | Intercepting rain water hole |
| CN103590484A (en) * | 2013-11-20 | 2014-02-19 | 重庆大学 | Automatic hydraulic control leaping weir initial rainwater catch basin and flow closure method |
-
2014
- 2014-07-09 CN CN201410328838.3A patent/CN104047359B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011202472A (en) * | 2010-03-26 | 2011-10-13 | Sekisui Plastics Co Ltd | Catch basin for roadside ditch, and facility for suppressing outflow of rainwater, equipped with the same |
| CN102261124A (en) * | 2011-05-13 | 2011-11-30 | 浙江大学 | Eccentric type curved weir intercepting well |
| KR20130071379A (en) * | 2011-12-20 | 2013-06-28 | (주) 선암기술연구소 | Groundwater treatment system of rainwater and construction methode thereof |
| CN202831198U (en) * | 2012-09-24 | 2013-03-27 | 福州市规划设计研究院 | Sewage intercepting well capable of preventing river water from flowing backward |
| CN203200889U (en) * | 2013-04-16 | 2013-09-18 | 机械工业第三设计研究院 | Intercepting rain water hole |
| CN103590484A (en) * | 2013-11-20 | 2014-02-19 | 重庆大学 | Automatic hydraulic control leaping weir initial rainwater catch basin and flow closure method |
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| CN104047359A (en) | 2014-09-17 |
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Address after: 230041 Anhui Hefei City Yingshang Road West, Yi Jing Road South Office Building 16 colorful layer, 17 layer, 18 layer Patentee after: Hefei municipal engineering design and Research Institute Co. Ltd. Address before: 230041 Anqing Road, Anhui, China, No. 85, No. Patentee before: HEFEI MUNICIPAL DESIGN INSTITUTE CO., LTD. |