CN203295270U - Overflow oxygen enhancement hydraulic drop weir - Google Patents
Overflow oxygen enhancement hydraulic drop weir Download PDFInfo
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- CN203295270U CN203295270U CN2013202844072U CN201320284407U CN203295270U CN 203295270 U CN203295270 U CN 203295270U CN 2013202844072 U CN2013202844072 U CN 2013202844072U CN 201320284407 U CN201320284407 U CN 201320284407U CN 203295270 U CN203295270 U CN 203295270U
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- weir
- overflow
- side slope
- drop
- laid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model provides an overflow oxygen enhancement hydraulic drop weir which comprises a weir body, wherein a water inlet side slope surface and a hydraulic drop side slope surface are arranged on the two sides of the weir body; a broken stone hardcore is laid on the hydraulic drop side slope surface; a plain concrete structure layer is laid on the broken stone hardcore; a rough surface stone layer is planted on the plain concrete structure layer; rough surface stones in the rough surface stone layer are scattered randomly and spaced tightly; a slope ratio of the hydraulic drop side slope surface is greater than or equal to 1:3; a broken stone hardcore is laid on the water inlet side slope surface; a plain concrete structure layer is laid on the broken stone hardcore; the weir body consists of compacted clay backfilled in layers; a road surface is arranged at the top of the weir body; and overflow holes are formed below the road surface. According to the overflow oxygen enhancement hydraulic drop weir, by planting the rough surface stones on the hydraulic drop side slope surface, a plane surface flowing form of a water body in a finite overflowing fracture surface flowing process is converted into a spatial three-dimensional multidirectional flowing form, so that the overflowing surface area of the flowing water body is increased greatly; the dissolved oxygen solubility of the water body in the flowing process is improved; and water quality purification, energy conservation and environmental protection are further facilitated.
Description
Technical field
The utility model relates to aquatic ecosystem and purifies and the reparation field, particularly relates to a kind of overflow oxygenation drop weir.
Background technology
Along with the continuous progress and development of society, environmental pollution more and more becomes the problem in the urgent need to address in this century.Particularly in party eighteen major report, Ecological Civilization Construction is placed on to prominent position, incorporates economic construction, political development, cultural construction, social construction each side and whole process." water " is the soul in city, and city is emerging because of water, advances the Ecology Establishment of Civilized City, makes city good for habitation, realizes that people, water, city harmonious development are the task of top priority.
But the development of society tends to be accompanied by the pollution of environment, and is more vulnerable to pollution as the water surrounding of human habitat important component part.For micro-pollution and the hypodynamic river course of hydrodynamic(al), lake because self-purification capacity is poor, be easy to be subject to the receptor of sanitary sewage, rainwater and rubbish, thereby cause a large amount of consumption of Dissolved Oxygen in Water, cause water hypoxia and turn black smellyly, then jeopardize the whole ecosystem.Therefore, in water body, the concentration of dissolved oxygen is a main evaluation index of water quality.If will thoroughly recover the good order and condition of water body, cutting necessary its self-purification capacity of recovering under dirty prerequisite, improve Dissolved Oxygen in Water concentration, remain the eubiosis good in water body.
Mainly by aeration process, improve Dissolved Oxygen in Water concentration at present, improve the anaerobism Water quality.Aeration process is when utilizing aerator to produce bubble to oxygen supply of water body, to play the effect of slow stirring, makes water body maintain oxygen condition, thereby recovers gradually the normal ecosystem of water body, and then reach the effect that water body self purifies.Conventional aeration method will improve by the aerator of high energy consumption the dissolved oxygen concentration of water, so the day-to-day operation maintenance cost is higher; And large to the surrounding soil disturbance in aeration process, be unfavorable in water body the suspended substance precipitations such as silt.
Overflow drop weir can make the regional water body of different Ecologies purifications enter next purification of water quality zone by the mode of overflow oxygenation overcurrent.But common overflow weir, the water body on the overflow of flowing through drop weir mostly is the flat table surface current, and wetted surfaces is long-pending not enough, has greatly affected the concentration of water body dissolved oxygen in flow process.
The utility model content
The shortcoming of prior art in view of the above, technical problem to be solved in the utility model are to provide the overflow drop that a kind of open area is large, oxygenation effect is good weir.
In order to solve the problems of the technologies described above, the utility model provides a kind of overflow oxygenation drop weir, comprise the weir body, body both sides, described weir be provided with influent side domatic with the drop side slope, on described drop side slope, be laid with blotter, on described blotter, be equipped with plain concrete structural sheet, on described plain concrete structural sheet, plantation has hair side stone material layer.
Preferably, on described influent side is domatic, be laid with blotter, on described blotter, be equipped with plain concrete structural sheet.
Preferably, the hair side stone material in described hair side stone material layer height is straggly and interval is tight.
Further preferably, the slope of described drop side slope ratio is more than or equal to 1:3.
Preferably, described weir body consists of the compacted clay of back-filling in layers.
Preferably, Ti De top, described weir is provided with road surface, and the below on road surface is provided with overflow weir.
As mentioned above, overflow oxygenation drop described in the utility model weir, has following beneficial effect: by at overflow weir drop side slope, planting the hair side stone material, make the plane surface flow-pattern of water body in limited flow section flow process change into the multidirectional flow-pattern of space multistory, long-pending more than 5 times of traditional weir meter area that reach of current water wetted surfaces, greatly improve the dissolved oxygen solubility of water body in flow process, more be conducive to purification of water quality.Aerator without using high energy consumption, reduced energy consumption, saved the cost of purification of water quality process.
The accompanying drawing explanation
Fig. 1 is shown as the diagrammatic cross-section on overflow oxygenation drop of the present utility model weir.
Embodiment
Below by specific specific examples explanation embodiment of the present utility model, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification sheets.
Refer to accompanying drawing.Notice, the appended graphic structure that illustrates of this specification sheets, ratio, size etc., equal contents in order to coordinate specification sheets to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the utility model, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionlity or size, do not affecting under the effect that the utility model can produce and the purpose that can reach, all should still drop in the scope that technology contents that the utility model discloses can contain.Simultaneously, in this specification sheets, quote as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the utility model.
Refer to Fig. 1, be depicted as the diagrammatic cross-section on overflow oxygenation drop of the present utility model weir.The utility model selects overflow drop weir structure to cross flow structure as the overflow in the Ecology cleaning project, makes the regional water body of different Ecologies purifications enter next purification of water quality zone by the mode of overflow oxygenation overcurrent.
As shown in Figure 1, the overflow oxygenation drop weir that the utility model provides comprises weir body 1, and body 1 both sides in weir are provided with influent side domatic 2 and drop side slope 3.When weir body 1 is built selection, requirement realizes low-carbon (LC), ecology, energy-conservation theory as far as possible under the prerequisite that meets structure Against Sliding Stability, seepage stability and antiscour, therefore, the main raw that forms weir body 1 has adopted the backfilling compaction clay, the essential back-filling in layers compacting of the clay that weir body 1 uses.
Except meeting constitutionally stable requirement, also wish that the drop side slope on overflow oxygenation drop weir is than slow, inclined slope aspect is domatic will be grown, to increase the weir meter area of water body.Therefore, the slope ratio of drop side slope 3 is more than or equal to 1:3.On slope that weir body 1 construction reaches design requirements, when after absolute altitude, carry out domatic construction.
Domatic material require has stronger erosion resistibility, therefore, on influent side domatic 2, is laid with blotter 4, on blotter 4, is equipped with plain concrete structural sheet 5.On drop side slope 3, be laid with blotter 4, on blotter 4, be equipped with plain concrete structural sheet 5, on plain concrete structural sheet 5, plantation has hair side stone material layer 6.Hair side stone material in hair side stone material layer 6 is along along the domatic straight line seam that does not have perforation, and hair side stone material size has the grating requirement, and is should height straggly, interval is tight.
The top of weir body 1 also is provided with road surface 7, for pedestrian's walking or water conservancy observation personnel, observes the current situation.The below on road surface 7 is provided with overflow weir 8.Overflow weir 8 by 7 belows, road surface flows to drop side slopes 3 to water body from influent side domatic 2, by run by gravity, crosses the stream mode overcurrent that drops.Traditional drop side slope mostly is plane, on the drop side slope 3 on the overflow oxygenation drop weir that the utility model provides, planted the hair side stone material, the plane surface flow-pattern of water body has been changed into to the multidirectional flow-pattern of space multistory, make long-pending more than 5 times of traditional weir meter area that reach of wetted surfaces of current water, greatly improved the dissolved oxygen solubility of water body in flow process, more be conducive to purification of water quality, also reached the purpose of low-carbon (LC), energy-saving and environmental protection.
In sum, the utility model has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not be used to limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and know that usually the knowledgeable modifies or changes not breaking away from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (6)
1. overflow oxygenation drop weir, comprise weir body (1), described weir body (1) both sides are provided with influent side domatic (2) and drop side slope (3), it is characterized in that: on described drop side slope (3), be laid with blotter (4), on described blotter (4), be equipped with plain concrete structural sheet (5), the upper plantation of described plain concrete structural sheet (5) has hair side stone material layer (6).
2. overflow oxygenation drop according to claim 1 weir, is characterized in that, on described influent side domatic (2), is laid with blotter (4), on described blotter (4), is equipped with plain concrete structural sheet (5).
3. overflow oxygenation according to claim 1 drop weir, it is characterized in that: the hair side stone material height in described hair side stone material layer (6) is straggly and interval is tight.
4. overflow oxygenation according to claim 3 drop weir is characterized in that: the slope of described drop side slope (3) is than more than or equal to 1:3.
5. overflow oxygenation according to claim 1 drop weir, it is characterized in that: described weir body (1) consists of the compacted clay of back-filling in layers.
6. overflow oxygenation according to claim 1 drop weir, it is characterized in that: the top of described weir body (1) is provided with road surface (7), and the below of road surface (7) is provided with overflow weir (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202844072U CN203295270U (en) | 2013-05-23 | 2013-05-23 | Overflow oxygen enhancement hydraulic drop weir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202844072U CN203295270U (en) | 2013-05-23 | 2013-05-23 | Overflow oxygen enhancement hydraulic drop weir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203295270U true CN203295270U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202844072U Expired - Fee Related CN203295270U (en) | 2013-05-23 | 2013-05-23 | Overflow oxygen enhancement hydraulic drop weir |
Country Status (1)
| Country | Link |
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| CN (1) | CN203295270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220660A (en) * | 2015-09-01 | 2016-01-06 | 河北工程大学 | A kind of adjustable aeration ecoscape check dam |
| CN105399224A (en) * | 2015-12-01 | 2016-03-16 | 中国科学院、水利部成都山地灾害与环境研究所 | Efficient drop water oxygen exposing system and method for purification of domestic wastewater |
-
2013
- 2013-05-23 CN CN2013202844072U patent/CN203295270U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220660A (en) * | 2015-09-01 | 2016-01-06 | 河北工程大学 | A kind of adjustable aeration ecoscape check dam |
| CN105220660B (en) * | 2015-09-01 | 2017-01-11 | 河北工程大学 | Adjustable aeration ecology landscape retaining dam |
| CN105399224A (en) * | 2015-12-01 | 2016-03-16 | 中国科学院、水利部成都山地灾害与环境研究所 | Efficient drop water oxygen exposing system and method for purification of domestic wastewater |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20210523 |