CN104179246A - Shunting type discarding flow filter device - Google Patents
Shunting type discarding flow filter device Download PDFInfo
- Publication number
- CN104179246A CN104179246A CN201410346023.8A CN201410346023A CN104179246A CN 104179246 A CN104179246 A CN 104179246A CN 201410346023 A CN201410346023 A CN 201410346023A CN 104179246 A CN104179246 A CN 104179246A
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- inner core
- float valve
- cup
- urceolus
- shunting
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Abstract
The invention relates to a shunting type discarding flow filter device which comprises an outer cylinder, an inner cylinder, a hanging cylinder and a float valve, wherein the inner cylinder is fixed on the inner wall of the outer cylinder through an upper partition board and a lower partition board; a water inlet and a water outlet are formed in two sides of the outer cylinder; stabilizer bars are arranged on two sides of the top end of the hanging cylinder; the float valve is nested on the stabilizer bars through a stainless steel board in a penetrating manner; a center hole and a discarding flow port are formed in the hanging cylinder; the float valve is connected with a half-ball valve through a connecting rod; a medium partition board for dividing space between the outer cylinder and the inner cylinder into a front outer cavity and a rear outer cavity is arranged between the outer cylinder and the inner cylinder; and shunting holes and water permeating holes are formed in two sides of the inner cylinder respectively. According to the shunting type discarding flow filter device, pollutants can be separated in time, a filter system is prevented from being blocked by impurities and suspended matters in rainwater, the filter efficiency at the later period when the rain is heavier is guaranteed, besides, the device is simple in structural design, low in cost, high in stability and simple to operate, and the pollutants are convenient to clean.
Description
Technical field
The present invention relates to a kind of rainwater filtering device, be specifically related to a kind of shunting abandoned stream filter.
Background technology
Rainwater is in landing process, airborne dissolved gas, dissolve or suspension solid, heavy metal and bacterium etc. can enter wherein, pollutant in surface flow is acted the leading role from rainfall washing away earth's surface, so surface sediments is the main source of pollutant in surface flow, the composition of surface sediments is determining the character of earth's surface runoff pollution.Surface sediments comprises many pollutants, have solid-state castoff chip (municipal refuse, animal wastes, Urban Building Construction place deposit) chemicals (fertilizer and pesticide that use on lawn), vehicle emission etc., its sedimental source, earth's surface with different land use functions is different.Thereby the water quality of rainwater can be because of the difference of place, time difference to some extent.But along with the development of Process of Urbanization Construction, Permeable stratum area is increasing, a large amount of rainfall runofves is not used and just directly discharges, and has not only caused the huge waste of the water yield, has strengthened the burden of urban sewerage and drainage facility simultaneously yet.Thereby rainwater is suitably processed, not only can save water source, also can alleviate the burden of urban sewerage and drainage facility.
CN102926454A (open day is on 02 13rd, 2013) discloses a kind of suspension type catch-basin filter, suspension type catch-basin filter has filtering function, hang in the outer wellhead well lid of catch-basin, filter silt foreign material and pollutant in rainwater, prevent that silt foreign material and pollutant from entering Storm Sewer Network place, reduce the pollution to collected rainwater, filter comprises bracing frame, hook, mesh grille, woven fabric, filtrate and bleed off pipe, filter utilizes the filtering material unit in rainwater self gravitation and device, realize the filtration treatment to rainwater, and this device is designed to suspension type, be installed in catch-basin.
CN203458881U (open day is on 03 05th, 2014) discloses a kind of rain water filtering device, comprise and be roughly oval-shaped housing, described housing comprises upper shell, filter core and the lower house of suit successively, and wherein, the top of described upper shell is provided with rainwater-collecting interface tube; The bottom of described lower house is provided with foreign material outlet opening, the side of described lower house is provided with water purification outlet opening, the center of described lower house is provided with the refuse collecting mouth being communicated with described foreign material outlet opening, and the space between the outer wall of described refuse collecting mouth and described lower house is formed as water purification collecting chamber; The center of described filter core is provided with a point water plate, and the below of described point of water plate is provided with annular filter screen, and the wire side of described annular filter screen is downward-sloping gradually to described interior ring end face along described outer shroud end face.
Although above-mentioned prior art discloses some rainwater filtering devices, can meet certain needs, but still there is certain defect in these: for separating and filtering surface sediments all adopts filter core or filtrate, the installing/dismounting trouble of filter core or filtrate, deposit on filter core or filtrate is removed trouble, easily stop up, and use cost is high, is unfavorable for large-scale promotion application.
Therefore, still have further demand for filtering better surface sediments in the rain, this is also one of study hotspot in this technical field and emphasis, the power that the present invention is accomplished especially and starting point place.
Summary of the invention
For overcome prior art exist filter inside deposit remove trouble and the high technical problem of use cost, the inventor after having carried out a large amount of further investigations, thereby completed the present invention.
The present invention is achieved through the following technical solutions, a kind of shunting abandoned stream filter, comprise urceolus, inner core, cup and float valve, described inner core is fixed on by upper spacer and lower clapboard on the inwall of described urceolus, the both sides of described urceolus are provided with water inlet and delivery port, described cup hangs over the inward flange of described lower clapboard, the both sides, top of described cup arrange stabiliser bar, the bottom of described stabiliser bar is to the outstanding boss that forms of surrounding, described float valve is made up of discoid foamed plastics, the bottom of described float valve is fixed with corrosion resistant plate, the two ends cover of described corrosion resistant plate is through on described stabiliser bar and drops on described boss, described stabiliser bar, float valve and corrosion resistant plate are all positioned at the inner chamber of described inner core, mesopore is set in the middle of the top of described cup, the side of described cup is provided with abandoned stream mouth, described float valve is connected with semisphere valve by connecting rod, described connecting rod is through described mesopore, described semisphere valve is positioned at the inside of described cup, between described urceolus and described inner core, be provided with median septum, the space between described urceolus and inner core is divided into front exocoel and rear exocoel by described median septum, described front exocoel is communicated with described water inlet, described rear exocoel is communicated with described delivery port, described inner core is provided with tap hole towards half part of described water inlet, described inner core is provided with permeable hole towards half part of described delivery port, simultaneously, described inner core is provided with stainless steel filtering net towards the inwall of half part of described delivery port.
Preferably, the top of described stabiliser bar is fixed with stabilier, and described stabilier is positioned at the top of described float valve.
Preferably, the top of described urceolus is provided with well lid.
Preferably, described float valve is made up of polystyrene foam plastics.
Preferably, described inner core and urceolus are made up of PE or UPVC plastic material.
Compared with prior art, beneficial effect of the present invention is as follows: the present invention utilizes inner/outer drum structure, the buoyancy control early-stage rainwater of the gravity of rainwater self and float valve and the flow direction of later stage rainwater, realize the management automatically stage by stage to rainwater, not only timely separating contaminants, avoid the impurity in rainwater, the obstruction of suspension to filtration system, ensure the treatment effeciency of the crossing when later stage, rainwater was larger, and by direction and the speed of management current, the resistance of inner core eases up current, effectively reduce the impulse force of rainwater, the water that enters inner chamber can not cause especially big impact to float valve, stablize internal float ball valve, in the time that rainfall is larger, cut off rainwater flows out from abandoned stream mouth accurate stable.Structure design of the present invention is simple, and cost is low, and stability is strong, operates also simply, cup will be from inner core upwards can be taken out and removes the pollutant of holding back, easy cleaning.
Brief description of the drawings
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic top plan view of structure shown in Fig. 1.
In figure: 1 is that water inlet, 2 is that upper spacer, 3 is that inner chamber, 4 is that well lid, 5 is that urceolus, 6 is that stainless steel filtering net, 7 is that inner core, 8 is that delivery port, 9 is that corrosion resistant plate, 10 is that boss, 11 is that lower clapboard, 12 is that mesopore, 13 is that semisphere valve, 14 is that abandoned stream mouth, 15 is that cup, 16 is that connecting rod, 17 is that stabiliser bar, 18 is that stabilier, 19 is that float valve, 20 is that front exocoel, 21 is that rear exocoel, 22 is that permeable hole, 23 is that median septum, 24 is tap hole.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
Embodiment 1
A kind of shunting abandoned stream filter as depicted in figs. 1 and 2, comprise urceolus 5, inner core 7, cup 15 and float valve 19, inner core 7 is weldingly fixed on the inwall of urceolus 5 by upper spacer 2 and lower clapboard 11, upper spacer 2 can stop that the stormwater overflow of filtered enters exocoel, lower clapboard 11 can be placed cup 15, inner core 7 and outer 5 can adopt plastic material to make, such as PE plastics or UPVC plastics, the both sides of urceolus 5 are provided with water inlet 1 and delivery port 8, between water inlet 1 and delivery port 8 and urceolus 5 with removably such as engage thread is connected, water inlet connects the dirty equipment that cuts, rainwater enters through this water inlet from cutting dirty equipment, delivery port 8 connects reservoir, cup 15 hangs over the inward flange of lower clapboard 11, the both sides, top of cup 15 arrange stabiliser bar 17, stabiliser bar 17 limits the unsteady scope of float valve 19, it can only be moved up and down, can not be offset, the bottom of stabiliser bar 17 is to the outstanding boss 10 that forms of surrounding, float valve 19 is made up of discoid polystyrene foam plastics, the bottom of float valve 19 is fixed with corrosion resistant plate 9, the two ends cover of corrosion resistant plate 9 is through on stabiliser bar 17 and drops on boss 10, boss 10 can support corrosion resistant plate 9 and float valve 19, corrosion resistant plate 9 and float valve 19 can move by the vertical direction along stabiliser bar above boss 10, stabiliser bar 17, float valve 19 and corrosion resistant plate 9 are all positioned at the inner chamber 3 of inner core 7, mesopore 12 is set in the middle of the top of cup 15, the side of cup 15 is provided with abandoned stream mouth 14, abandoned stream mouth 14 cup 15 bottoms slightly above, ensure that cup 15 can store a part of rainwater, be conducive to cut dirty, float valve 19 is connected with semisphere valve 13 by connecting rod 16, because adopting light foam material, makes float valve 19, under buoyancy of water, can pull-up the semisphere valve of below, connecting rod 16 is through mesopore 12, semisphere valve 13 is positioned at the inside of cup 15, between urceolus 7 and inner core 5, be provided with median septum 23, due to inner core 7, urceolus 5, upper spacer 2, the connection of lower clapboard 11, thereby forming exocoel between inner core 7 and urceolus 5, the space between urceolus 7 and inner core 5 is divided into front exocoel 20 and rear exocoel 21 by median septum 23, front exocoel 20 is communicated with water inlet 1, rear exocoel 21 is communicated with delivery port 8, make the rainwater that flows into exocoel enter inner chamber 3 by front exocoel 20, exocoel 21 after rainwater after filtering flows into again, finally flow into reservoir by delivery port 8, inner core 5 is provided with tap hole 24 towards half part of water inlet 1, diameter can be 70mm, tap hole 24 can be positioned at the both sides of this part, in the time that rainwater enters inner chamber 3 from both sides hole for dispersing water flow, prevent into water current excessive, directly impact on float valve 19, cause float valve 19 damages and position skew normally to work, inner core 5 is provided with permeable hole 22 towards half part of delivery port 8, diameter can 10mm, permeable hole 22 can be covered with this place, be used for permeable, thereby water a large amount of in inner chamber is discharged by permeable hole 22 and delivery port 8, inner core 5 is provided with stainless steel filtering net 6 towards the inwall of half part of delivery port 8, aperture is 0.3-0.35mm, the inwall that stainless steel filtering net 6 can paste inner core is welded, be used for filtering small impurities and the floating thing of rainwater, the top of urceolus 7 is provided with well lid 4, prevent that object from crashing into, keep ground complete, ensure that well inner member is not by damage, simultaneously because cup is the inward flange that hangs over lower clapboard, the well lid of uncapping, cup will easily upwards can be taken out from inner core, the cleaning of easy cleaning cup.
Operating principle and the method for operation: in rainy early stage, rainfall is less, the rainwater of formation is also more dirty, when rainwater is from water inlet enters when exocoel, inner core is shunted current, enters inner chamber from the both sides of inner core, due to gravity reason, water flows into cup from the mesopore of cup, flow out from abandoned stream mouth, flow into subordinate's municipal wastewater well, a part of mud etc. also can be held back in the bottom of cup, cup will upwards can be taken out from inner core to easy cleaning cup, along with amount of rainfall increases, rainwater also starts limpid gradually than just, the water of inner chamber is about 3-5 minute time, amass certain height, buoyancy of water drives float valve to float, and then drive semisphere valve rising to raise, thereby block the mesopore of cup, be used for stopping that current continue to flow to cup inside, the lower limpid rainwater of containing filth amount after 3-5 minute is directly flowed out from delivery port, realize the automatic treatment by stages to rainwater, improve the filter efficiency of rainwater, because the surface sediments in rainwater is mainly collected by cup, so when making the screen pack of inner core be difficult for stopping up, in the time that rainfall is larger, ensure flowing smoothly of rainwater, and simple in structure, use cost is low, in use, delivery port can be connected with water storage box by outlet pipe, make the rainwater that reduces turbidity through this device flow into water storage box.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: the top of stabiliser bar 17 is fixed with stabilier 18, stabilier 18 is positioned at the top of float valve 19, the two is directly contact not, stabilier can be circular, also can be other shape, as long as be not less than float valve, the rainwater getting off be rushed down in both sides like this, can directly not get on lightweight float valve below, effectively stablize float valve.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (5)
1. a shunting abandoned stream filter, it is characterized in that, comprise urceolus (5), inner core (7), cup (15) and float valve (19), described inner core (7) is fixed on the inwall of described urceolus (5) by upper spacer (2) and lower clapboard (11), the both sides of described urceolus (5) are provided with water inlet (1) and delivery port (8), described cup (15) hangs over the inward flange of described lower clapboard (11), the both sides, top of described cup (15) arrange stabiliser bar (17), the bottom of described stabiliser bar (17) is to the outstanding boss (10) that forms of surrounding, described float valve (19) is made up of discoid foamed plastics, the bottom of described float valve (19) is fixed with corrosion resistant plate (9), the two ends cover of described corrosion resistant plate (9) is through described stabiliser bar (17) and goes up and drop on described boss (10), described stabiliser bar (17), float valve (19) and corrosion resistant plate (9) are all positioned at the inner chamber (3) of described inner core (7), mesopore (12) is set in the middle of the top of described cup (15), the side of described cup (15) is provided with abandoned stream mouth (14), described float valve (19) is connected with semisphere valve (13) by connecting rod (16), described connecting rod (16) is through described mesopore (12), described semisphere valve (13) is positioned at the inside of described cup (15), between described urceolus (7) and described inner core (5), be provided with median septum (23), the space between described urceolus (7) and inner core (5) is divided into front exocoel (20) and rear exocoel (21) by described median septum (23), described front exocoel (20) is communicated with described water inlet (1), described rear exocoel (21) is communicated with described delivery port (8), described inner core (5) is provided with tap hole (24) towards half part of described water inlet (1), described inner core (5) is provided with permeable hole (22) towards half part of described delivery port (8), simultaneously, described inner core (5) is provided with stainless steel filtering net (6) towards the inwall of half part of described delivery port (8).
2. a kind of shunting abandoned stream filter as claimed in claim 1, it is characterized in that, the top of described stabiliser bar (17) is fixed with stabilier (18), and described stabilier (18) is positioned at the top of described float valve (19).
3. a kind of shunting abandoned stream filter as claimed in claim 1, is characterized in that, the top of described urceolus (7) is provided with well lid (4).
4. a kind of shunting abandoned stream filter as claimed in claim 1, is characterized in that, described float valve (19) is made up of polystyrene foam plastics.
5. a kind of shunting abandoned stream filter as claimed in claim 1, is characterized in that, described inner core (7) and urceolus (5) are made up of PE or UPVC plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410346023.8A CN104179246B (en) | 2014-07-21 | 2014-07-21 | Shunting abandoned stream filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410346023.8A CN104179246B (en) | 2014-07-21 | 2014-07-21 | Shunting abandoned stream filter |
Publications (2)
| Publication Number | Publication Date |
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| CN104179246A true CN104179246A (en) | 2014-12-03 |
| CN104179246B CN104179246B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410346023.8A Expired - Fee Related CN104179246B (en) | 2014-07-21 | 2014-07-21 | Shunting abandoned stream filter |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631609A (en) * | 2015-02-05 | 2015-05-20 | 天津艾杰环保技术工程有限公司 | Unpowered rainwater split-flow sewage intercepting device |
| CN105056615A (en) * | 2015-07-16 | 2015-11-18 | 武汉圣禹排水系统有限公司 | Initial rainwater filter |
| CN105401632A (en) * | 2015-12-07 | 2016-03-16 | 无锡市三六九钢管有限公司 | Sewer pipe with flow-limiting function |
| CN105649176A (en) * | 2016-03-04 | 2016-06-08 | 广州市合信方园工业设备有限公司 | Y-shaped flow discarding device |
| CN105649185A (en) * | 2016-03-04 | 2016-06-08 | 广州市合信方园工业设备有限公司 | Volumetric flow abandoning device |
| CN106958263A (en) * | 2017-05-15 | 2017-07-18 | 南宁职业技术学院 | A kind of sponge Urban roof rainwater delay shunt recovery system |
| CN108896468A (en) * | 2018-09-25 | 2018-11-27 | 河南工程学院 | A kind of rock sample seepage detector |
| CN114855969A (en) * | 2022-06-08 | 2022-08-05 | 中国建筑第五工程局有限公司 | Rainwater and sewage flow distribution pipeline for urban road |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070056013A (en) * | 2007-04-19 | 2007-05-31 | 이경우 | Rainwater drain control system of manhole having multi-structure |
| GB2448543A (en) * | 2007-04-20 | 2008-10-22 | Edward Dudley Bacon | Combined rainwater diverter and filter for incorporation into a downpipe |
| KR100896015B1 (en) * | 2008-11-06 | 2009-05-11 | 주식회사한국수안 | Non-point source decrease equipment |
| CN201770498U (en) * | 2010-06-24 | 2011-03-23 | 宁波市镇海中正园艺工具有限公司 | Water pipe filtering-diverting device |
| CN201906513U (en) * | 2010-11-19 | 2011-07-27 | 上海竞舟水处理设备有限公司 | Rainwater discharge and filter device |
| CN202925665U (en) * | 2012-10-19 | 2013-05-08 | 上海同盟环境工程有限公司 | Initial rainwater abandoning device |
| CN203145090U (en) * | 2013-03-26 | 2013-08-21 | 上海熙清环保工程有限公司 | Gravity type rainwater flow abandoning filter |
| CN204112476U (en) * | 2014-07-21 | 2015-01-21 | 上海彪能建筑科技有限公司 | Shunting abandoned stream filter |
-
2014
- 2014-07-21 CN CN201410346023.8A patent/CN104179246B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070056013A (en) * | 2007-04-19 | 2007-05-31 | 이경우 | Rainwater drain control system of manhole having multi-structure |
| GB2448543A (en) * | 2007-04-20 | 2008-10-22 | Edward Dudley Bacon | Combined rainwater diverter and filter for incorporation into a downpipe |
| KR100896015B1 (en) * | 2008-11-06 | 2009-05-11 | 주식회사한국수안 | Non-point source decrease equipment |
| CN201770498U (en) * | 2010-06-24 | 2011-03-23 | 宁波市镇海中正园艺工具有限公司 | Water pipe filtering-diverting device |
| CN201906513U (en) * | 2010-11-19 | 2011-07-27 | 上海竞舟水处理设备有限公司 | Rainwater discharge and filter device |
| CN202925665U (en) * | 2012-10-19 | 2013-05-08 | 上海同盟环境工程有限公司 | Initial rainwater abandoning device |
| CN203145090U (en) * | 2013-03-26 | 2013-08-21 | 上海熙清环保工程有限公司 | Gravity type rainwater flow abandoning filter |
| CN204112476U (en) * | 2014-07-21 | 2015-01-21 | 上海彪能建筑科技有限公司 | Shunting abandoned stream filter |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631609A (en) * | 2015-02-05 | 2015-05-20 | 天津艾杰环保技术工程有限公司 | Unpowered rainwater split-flow sewage intercepting device |
| CN105056615A (en) * | 2015-07-16 | 2015-11-18 | 武汉圣禹排水系统有限公司 | Initial rainwater filter |
| CN105401632A (en) * | 2015-12-07 | 2016-03-16 | 无锡市三六九钢管有限公司 | Sewer pipe with flow-limiting function |
| CN105649176A (en) * | 2016-03-04 | 2016-06-08 | 广州市合信方园工业设备有限公司 | Y-shaped flow discarding device |
| CN105649185A (en) * | 2016-03-04 | 2016-06-08 | 广州市合信方园工业设备有限公司 | Volumetric flow abandoning device |
| CN105649185B (en) * | 2016-03-04 | 2018-04-03 | 广州市合信方园工业设备有限公司 | A kind of positive displacement flow abandoning apparatus |
| CN106958263A (en) * | 2017-05-15 | 2017-07-18 | 南宁职业技术学院 | A kind of sponge Urban roof rainwater delay shunt recovery system |
| CN108896468A (en) * | 2018-09-25 | 2018-11-27 | 河南工程学院 | A kind of rock sample seepage detector |
| CN108896468B (en) * | 2018-09-25 | 2023-10-24 | 河南工程学院 | Rock sample seepage flow detection device |
| CN114855969A (en) * | 2022-06-08 | 2022-08-05 | 中国建筑第五工程局有限公司 | Rainwater and sewage flow distribution pipeline for urban road |
| CN114855969B (en) * | 2022-06-08 | 2024-03-08 | 中国建筑第五工程局有限公司 | Rainwater and sewage diversion pipeline for urban road |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104179246B (en) | 2017-08-25 |
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Granted publication date: 20170825 Termination date: 20190721 |