CN204662646U - A kind of early-stage rainwater filtering separation device - Google Patents
A kind of early-stage rainwater filtering separation device Download PDFInfo
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- CN204662646U CN204662646U CN201520344541.6U CN201520344541U CN204662646U CN 204662646 U CN204662646 U CN 204662646U CN 201520344541 U CN201520344541 U CN 201520344541U CN 204662646 U CN204662646 U CN 204662646U
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Abstract
The utility model relates to drainage works technical field, specifically a kind of early-stage rainwater filtering separation device, comprise base plate, edge, base plate side offers a groove, filter basket is provided with in groove, groove communicates with rainwater import and drainage kerve one end, and the other end of drainage kerve extends to outlet of sewer, in outlet of sewer front end, drainage kerve, be provided with eddy plate and float valve; Base plate opposite side is provided with weir plate, and the top of weir plate is provided with overflow cap, and overflow cap is provided with the plate that wafts, and the one side of weir plate is connected with base plate by bottom weir plate, and the another side side of weir plate is provided with clean rainwater outlet.The utility model adopts kerve eddy flow bootstrap technique, effectively guides sewage current and to control water flow constant.Effectively can remove precipitable property impurity, widely applicable, be applicable to any standard caliber and customized solution, and the spatial design utilizing catchpit ready-made, layout, duration are short, civil engineering use level is little, quick for installation, non-maintaining.
Description
[technical field]
The utility model relates to drainage works technical field, specifically a kind of early-stage rainwater filtering separation device.
[background technology]
China is water environment degradation at present, river and lake all smelly phenomenons in blackening of various places.Major part reason is early-stage rainwater, namely in first 20 minutes that rain in torrents, rainwater is by ground foreign material: silt, oil stain, leaf, swill, shell, daily necessities discarded object, the thing that goes mouldy, old polybag etc. pour storm sewer together, if be separated in time, can be discharged in river, along with the time growth and make gradually after running into variations in temperature river turn black foul.
After particularly the some areas in city are flooded, a large amount of rubbish can be blended in rainwater, is formed and pollutes, and is huge pollution in the river of directly discharge.And if these rainwater are all drained in Sewage Plant, the Design cooling load of Sewage Plant cannot meet processing requirements, is in most cases not treated and in line, has both needed the running of the conveying of rain sewage pumping station, some current consuming apparatus of Sewage Plant, be not effective again, exist pollution.The promulgation of country's " ten, water ", makes the river of also resident " the clear bank of water is green " become very important.Therefore be isolated and renovate before needing that early-stage rainwater is flowed into the water bodys such as river course at it.
Therefore the heavy civil early-stage rainwater separator of urgently a kind of format high throughput, be arranged in the catchpit of Storm Sewer Network, namely arm enters house steward, total tube drainage river course mouth, and canbe used on line is separated, the silt water of the floating thing of 10% scale of construction and precipitation is drained in soil pipe, the foreign material of floating thing light specific gravity and oil stain, finally deliver to Sewage Plant process.The clean rainwater of 90% scale of construction and the rainwater totally not with foreign material after 20 minutes then flow in river course, naturally improve quality of river water, no longer pollute.Because these pipe network access ports and floss hole itself are all designed with catchpit, therefore catchpit can be utilized to assemble when designing.Not only can reduce investment outlay but also do not increase new occupation of land space.In addition, keep an eye on because catchpit lacks staff people at ordinary times, these two primary conditions of maintenance that must meet not electricity consumption and reduce as far as possible.
[utility model content]
The purpose of this utility model is exactly cause the not enough and defects such as draining fault to solve early-stage rainwater isolated by filtration difficulty in prior art, a kind of novel structure, safe and reliable is provided, effectively can help the early-stage rainwater filtering separation device filtering and be separated impurity in early-stage rainwater, comprise base plate, described edge, base plate side offers a groove, filter basket is provided with in groove, groove communicates with rainwater import and drainage kerve one end, the other end of drainage kerve extends to outlet of sewer, in outlet of sewer front end, drainage kerve, be provided with eddy plate and float valve; Described base plate opposite side is provided with weir plate, and the top of weir plate is provided with overflow cap, and overflow cap is provided with the plate that wafts, and the one side of weir plate is connected with base plate by bottom weir plate, and the another side side of weir plate is provided with clean rainwater outlet.
Described overflow cap is an arc-shaped structure with concave surface, and described concave surface is arranged downwards, and the plate that wafts is located at the side edge of overflow cap near base plate, and the described plate that wafts is provided with filter screen.
By chemical bolt or stone bolt, early-stage rainwater filtering separation device is fixedly connected in separation well bottom described base plate.
Described filter basket top is provided with boom hoist cable, and boom hoist cable is hung on the hook on the inner wall of separation well.
Described early-stage rainwater filtering separation device also comprises an adjustable for height spoiler, and described spoiler is located at bottom the plate that wafts and is connected with plate side of wafing.
In 10 ~ 20 minutes initial stages in whole rainfall or in dry season situation, a small amount of earth on rain-out road and foreign material carry over score are from well, and because in well, water level is lower, rainwater overflow cannot enter rain pipe, but naturally flow to soil pipe, then be transported to Sewage Plant and process.After 10 ~ 20 minutes, the water level be separated in well rises formation overflow gradually, although central water overflows in rain pipe, floating foreign material still constantly can be trapped and guide in soil pipe by waterpower whirlpool, and wherein crucial technical solution is baffle plate and manufactures whirlpool.
The system of separator adopts rectangular well, coordinates each parts to install combination.Comprise following several well internal procedure: influent stream, go out stream, eddy flow and overflow.Eddy plate can impel between influent stream and whirlpool district after installing and form certain liquid level difference, and therefore floating thing constantly can be drained to whirlpool district by along baffle plate and overflow weir, and the last whirlpool that sucks downwards is directed into soil pipe, finally flows to Sewage Plant.The design in whirlpool district has throttling function.When water level exceedes certain height value, form whirlpool in import department, make the water yield of soil pipe control at certain value.The design of plate of wafing in addition also can prevent the foreign material of floating on water to be strayed in river course, when water level in well rise to waft plate height time, naturally intercept water surface foreign matter and guide to eddy flow district.And device is non-maintaining, continuous print whirlpool also has self-cleaning function, continues to remove floating thing and foreign material then can be avoided to pile up the blocking caused.After this device, road rain water is separated into three parts, and Part I is the silt water being sunken to current bottom, flows into the sewage mouth of pipe; Part II is the foreign material floated on the water surface, as plastics, paper bag etc., introduces soil pipe; Part III is interlude current, relative clean, then overflow is in river course; Part IV is for being designed with float valve, and as heavy rain 10-20 minute, water level rises, and automatically closes outlet of sewer, alleviates storage pond or Sewage Plant load.Correlation between the hydraulic part such as overflow plate, overflow cap, eddy plate, the plate that wafts, whirlpool district is the basic guarantee of performance, and critical piece adopts glass fiber reinforced plastic and Stainless steel 316 material, ensures the long life.
The early-stage rainwater separator that the utility model provides and the dirty separation method of rain thereof, dirtier rainwater Direct Resolution can be become two strands of current, i.e. clean rainwater, dirty water and miscellaneous collection of goods, as fibre object, plastic bottle, polybag, dixie cup, disposable lunch box etc., specifically comprise: the limpider rainwater stream of a stock-traders' know-how rotational flow separation and overflow, is about 90% of total flow; One, containing silt, floating dirty effluent stream, is about 10% of total flow; A pile is blocked poly-bulk foreign material, accumulate in filter basket, significantly reduce the pollution load to natural, ecological after the early-stage rainwater flowing through separating station like this enters river course again, the effluent stream after being separated then progressively enters Sewage Plant process, because sewage quantity is few and concentrated, the processing cost of Sewage Plant is very low.
Compared with the existing technology, its advantage is that the utility model can be used for river course, Lake Water is administered to the utility model, and the early-stage rainwater of community's rainwater mouth of pipe etc. is separated.It has following characteristics:
1) kerve eddy flow bootstrap technique: effectively guide sewage current and to control water flow constant.Remove precipitable property impurity, the proportion bigger material of more than 90% can be removed;
2) vertical whirlpool manufacturing technology: after changing cross section, the water surface forms whirlpool, and floating thing is introduced delivery port;
3) liquid level control switch technology, closes the sewage mouth of pipe when making water level reach design height by float valve naturally.
4) customization customization, relative direction and position are imported and exported in adjustment flexibly;
5) widely applicable, any standard caliber can be applicable to and customized solution;
6) flexibly, assembly type design.Specifically, the spatial design utilizing catchpit ready-made, layout, duration are short; Civil engineering use level is little, quick for installation;
7) non-maintaining: only to need regular visit filter basket whether completely foreign material, and mention topple over after put back to original position and namely finish the work.
[accompanying drawing explanation]
Fig. 1 is the front section view of the utility model embodiment;
Fig. 2 is the side sectional view of the utility model embodiment;
Fig. 3 is the top view of the utility model embodiment;
As shown in the figure, in figure: 1. 11. boom hoist cable 12. spoilers linked up with by overflow cap 2. weir plate 3. eddy plate 4. filter basket 5. drainage kerve 6. whirlpool plate 7. float valve 8. chemical bolt 9. stone bolt 10.;
Fig. 1 is specified to be Figure of abstract of the present utility model.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the utility model is described in further detail, and the structure of this device and principle are very clearly concerning the people of this specialty.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model is a kind of assembly type early-stage rainwater separator, can be used for river course, Lake Water is administered, and the early-stage rainwater of community's rainwater mouth of pipe etc. is separated.The comprehensive technology point that it relates to mainly comprises the floating foreign material do not used in electric power, separation rainwater, as fibre object, polybag, leaf, shell etc., makes its drainage enter soil pipe and not enter rain pipe.The drainage of husky muddy water can also be played by bulk foreign material as the interception of branch etc.Mainly through filter basket, drainage kerve, combine weir plate, the plate that wafts, whirlpool plate, float valve etc., carry out Assembling location.
Early-stage rainwater separator utilizes hydraulic principle work, in initial rainwater and rainwater stage in dry season, silt water is introduced soil pipe; And when rainfall increases, when water level arrives design height in well, its continuous operation also stops floating thing heap sum to enter river course, play the effect that river water quality improves.All designs are all the calculating and the design that require to carry out specialty according to displacement, spillway discharge and import, outlet size, overflow bank height etc.System unit comprises overflow weir, overflow cap and height adjustable spoiler, the plate that wafts, eddy plate and optimizes whirlpool district etc.
After flowing into catchpit containing dirty rainwater, first interception adopts light portable filter screen grid and filter basket, the class bulk foreign material such as interception branch, cloth waste, plastic bottle.Second, rainwater carries silt secretly and floating thing enters drainage kerve afterwards, finally tangentially enters the sewage mouth of pipe, and bottom deposit silt water is formed to rotate and flows into, and can not cause deposition.3rd road, arranges vertical eddy plate at sewage mouth of pipe leading portion, causes water flow section to suddenly change, and forms revolving on the surface and floating thing is introduced sewage mouth.Coordinate the 4th road, the band filter screen that overflow cap is arranged wafts plate simultaneously, continues interception floater, makes it to plough under weir plate district below overflow cap.5th road, bottom weir plate coordinates with overflow cap, and rainwater is ploughed under below the plate that wafts, then routs up from weir plate top, water quality reaches clean.6th road, installs float valve at the delivery port of sewage, and because rainfall original state is standard-sized sheet, when liquid level rises gradually, when namely approximately rainfall reached design height after 10 ~ 20 minutes, float valve action is risen, and closes the sewage mouth of pipe.Complete the mask work of early-stage rainwater.Later stage rainwater containing foul, does not allow its overflow in river course.Because the current entering the sewage mouth of pipe rotate, having the effect controlling flow, is rate of discharge substantially constant.After rainfall, the water surface can not obtain rainwater and supplement, and thus can not maintain buoyancy, now float valve is opened gradually, and the residue rainwater of rotation is flowed out in soil pipe by sewage mouth again.
Therefore function course is summarized as follows:
The early-stage rainwater separator of the present embodiment, design specifications adopts 300mm, the caliber specifications such as 400mm, 500mm, 600mm, 800mm, 1000mm, 1200mm, 1400mm, 1600mm, 2000mm, and maximum process flow can be for 490,000 m3/ days.As shown in Fig. 2 to 3, comprise kerve, dirty rainwater water inlet pipe mouth, clear rainwater effluent pipe mouth, sewage effluent pipe mouth, glass fiber reinforced plastic kerve, stainless steel weir, stainless steel overflow cap, stainless steel eddy plate, stainless steel waft the assembly such as plate, stainless steel filter basket.
Step one, puts into bottom overflow weir and glass fiber reinforced plastic kerve in catchpit after the cleaning, and fixing with expansion bolt location;
Step 2, hangs in and loads onto stainless steel overflow cap, tightens each bolt and fixes;
Step 3, loads onto the plate that wafts;
Step 4, is in the milk, covers shrouding afterwards and clean out in glass fiber reinforced plastic kerve;
Step 5, locates and loads onto float valve, beats expansion bolt and install eddy plate by design attitude;
Step 6, pool wall installs each keeper, hook etc., filter basket is put into design attitude;
Step 7, after grouted-aggregate concrete parches, completion water flowing.
The dirty separation method of the rain of above-mentioned early-stage rainwater separator, adopts continuous drainage bottom deposit, rotary water current flow control, and revolving on the surface drainage realizes filtering, be separated and retain floating thing, sediment in Storm Sewer Network.
Claims (5)
1. an early-stage rainwater filtering separation device, comprise base plate, it is characterized in that described edge, base plate side offers a groove, filter basket (4) is provided with in groove, groove communicates with rainwater import and drainage kerve one end, the other end of drainage kerve extends to outlet of sewer, is provided with eddy plate (3) and float valve (7) in outlet of sewer front end, drainage kerve (5); Described base plate opposite side is provided with weir plate, and the top of weir plate (2) is provided with overflow cap (1), and overflow cap is provided with the plate that wafts, and the one side of weir plate is connected with base plate by bottom weir plate, and the another side side of weir plate is provided with clean rainwater outlet.
2. a kind of early-stage rainwater filtering separation device as claimed in claim 1, it is characterized in that described overflow cap is an arc-shaped structure with concave surface, described concave surface is arranged downwards, and the plate that wafts is located at the side edge of overflow cap near base plate, and the described plate that wafts is provided with filter screen.
3. a kind of early-stage rainwater filtering separation device as claimed in claim 1, is characterized in that being fixedly connected in separation well by early-stage rainwater filtering separation device by chemical bolt or stone bolt bottom described base plate.
4. a kind of early-stage rainwater filtering separation device as claimed in claim 1, is characterized in that described filter basket top is provided with boom hoist cable, and boom hoist cable is hung on the hook on the inner wall of separation well.
5. a kind of early-stage rainwater filtering separation device as claimed in claim 1, is characterized in that described early-stage rainwater filtering separation device also comprises an adjustable for height spoiler, and described spoiler is located at bottom the plate that wafts and is connected with plate side of wafing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344541.6U CN204662646U (en) | 2015-05-26 | 2015-05-26 | A kind of early-stage rainwater filtering separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344541.6U CN204662646U (en) | 2015-05-26 | 2015-05-26 | A kind of early-stage rainwater filtering separation device |
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| Publication Number | Publication Date |
|---|---|
| CN204662646U true CN204662646U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520344541.6U Expired - Fee Related CN204662646U (en) | 2015-05-26 | 2015-05-26 | A kind of early-stage rainwater filtering separation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797439A (en) * | 2016-04-28 | 2016-07-27 | 沈阳建筑大学 | Continuous rainwater precipitating and separating device and control method thereof |
| CN108298640A (en) * | 2017-01-13 | 2018-07-20 | 威乐(中国)水泵系统有限公司 | Rain dirt separator |
| CN108643141A (en) * | 2018-07-19 | 2018-10-12 | 长沙理工大学 | A kind of automatic pollution discharge diversion system |
-
2015
- 2015-05-26 CN CN201520344541.6U patent/CN204662646U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797439A (en) * | 2016-04-28 | 2016-07-27 | 沈阳建筑大学 | Continuous rainwater precipitating and separating device and control method thereof |
| CN108298640A (en) * | 2017-01-13 | 2018-07-20 | 威乐(中国)水泵系统有限公司 | Rain dirt separator |
| CN108643141A (en) * | 2018-07-19 | 2018-10-12 | 长沙理工大学 | A kind of automatic pollution discharge diversion system |
| CN108643141B (en) * | 2018-07-19 | 2023-06-23 | 长沙理工大学 | Automatic blowdown diversion system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20170526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |