CN202416262U - Sand filtering dam - Google Patents
Sand filtering dam Download PDFInfo
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- CN202416262U CN202416262U CN2011204566316U CN201120456631U CN202416262U CN 202416262 U CN202416262 U CN 202416262U CN 2011204566316 U CN2011204566316 U CN 2011204566316U CN 201120456631 U CN201120456631 U CN 201120456631U CN 202416262 U CN202416262 U CN 202416262U
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Abstract
The utility model discloses a sand filtering dam. An entire dam body comprises three parts, namely a permeable dam body, purifying medium and a sand filtering dam base, wherein the permeable dam body is composed of a vertical flow unit of a water inlet side, a vertical flow unit of a water outlet side and a horizontal flow unit; the internal part of the entire dam body is in a concrete or reinforced concrete sash structure; the purifying medium prepared from fillers such as natural sandstone, zeolite and artificial gravel is arranged in the sash; the sand filtering dam base mainly plays a role in ensuring the safety and stability of the dam body; and the dam body automatically purifies inlet water when the water level of the water inlet side of the sand filtering dam body is higher than that of the water outlet side, and carries out back-flush when the water level of the water inlet side is lower than that of the water outlet side. The sand filtering dam disclosed by the utility model has water conservancy functions of intercepting the water body and controlling the water level, simultaneously has the environment-friendly functions of purifying the water quality and improving the quality of the water environment, and is suitable for the fields of river pollution control and environmental friendliness.
Description
Technical field:
The utility model relates to a kind of river pollution control technology that is used for, a kind of sand filtration dam of more specifically saying so.
Background technology:
Dam is a kind of water retaining structure common in the hydraulic engineering, and is in the majority with entity dams such as concrete, earth and rockfill dams, mainly plays control water level or reconciles the effect of flow.In recent years; Because river, water body in lake etc. receive pollution in various degree; River pollution is administered often to be needed in the object of construction production to adopt dam body to tackle or control water level, and therefore the dam in the pollution control engineering not only will satisfy the interception water body or reconcile traffic requirement, and preferably has certain detergent power; So not only can environment-friendly engineering effectively be combined and unify with hydraulic engineering, but also help to save construction costs.
Aspect present environmental protection, the ecosystem defencive function at dam; The Tian Meng of national environmental protection portion Nanjing Institute of Environmental Science etc. discloses " a kind of ecological permeable dam "; This permeable dike is mainly used in the pollution of area source control in area, the network of waterways, rural area, can play and retain pollution of area source and certain clean-up effect; The native gorgeous grade of Tibetan Autonomous Region Plateau Biology Institute discloses " a kind of dam ", is used for wet land protection, reparation, and this dam has aquatic organism culvert pipe passage, has set up the biology contact of dam upstream and downstream, has avoided the fragmentation of water area ecological environment.And having the water conservancy function of interception water body, control water level, the sand filtration dam that have purifying water simultaneously, improves water environment does not still have report and the precedent of using in China.
Summary of the invention:
The purpose of this invention is to provide a kind of sand filtration dam that is used for river environment protection and pollution control; This dam is through carrying out structure of modification to (reinforcing bar) concrete dam body; Inside is watered and is built up sash and fill purification medium; Reach strengthened purification water quality, improve water environment and regulating pondage, the function of control water level, accomplish the combination of environment-friendly function and water conservancy function.
To achieve these goals, the utility model provides a kind of sand filtration dam, and its technical scheme is following: comprise permeable dam body, be positioned at the inner purification medium of permeable dam body and be positioned at sand filtration dam foundation plinth three parts of permeable dam body bottom.
Wherein permeable dam body is concrete or reinforced concrete box structure, is made up of the horizontal flow unit 3 of the influent side vertical current unit 1 that is positioned at permeable dam body influent side, the water outlet side vertical current unit 2 that is positioned at permeable dam body water outlet side and permeable dam body bottom:
(1) 1 top, influent side vertical current unit is a slope, and the position of the horizontal projection of slope is just in time the highest between the influent side water body, between the lowest water level, water inlet 8 is arranged on the slope; Water inlet is arranged evenly; Be shaped as squarely, optimum size is 30cm, and each opening is spaced apart 30cm;
(2) 2 cross sections, water outlet side vertical current unit are rectangle, have 2 cuboid sashes arranged side by side at least.And water outlet side vertical current unit forms opening on the water outlet side sidewall between the highest, the lowest water level of water outlet side water body, and opening shape is square, is of a size of 20-30cm, reserving hole on the sidewall between the cuboid sash arranged side by side in the open height scope;
(3) horizontal flow unit 3 is positioned at influent side vertical current unit 1 and 2 bottoms, water outlet side vertical current unit, and the cross section is a rectangle, reserving hole between 30cm, and influent side highly at least and water outlet side vertical current unit.
The inner purification medium of wherein said permeable dam body is natural sandstone or zeolite filler; 1 inside, influent side vertical current unit is the filler of particle diameter 10-20cm; Water outlet side vertical current unit 2 is the filler of 2～4.0mm with horizontal flow unit 3 interior particle diameters; Concrete selecting for use of medium can be provided with according to the function on sand filtration dam, can reach the denitrogenation dephosphorizing effect.
Wherein be positioned at the sand filtration dam foundation plinth 4 of permeable dam body bottom, it forms with structure definite according to calculating, and guarantees the safety and firmness of dam body.
When the influent side water level was higher than the water outlet side water level, the sand filtration dam normally intake, by 1 water inlet of influent side vertical current unit, through 2 water outlets of water outlet side vertical current unit; When the influent side water level was lower than the water outlet side water level, the sand filtration dam carried out backwash, got into water outlet side vertical current unit 2 by the water outlet side water body, through horizontal flow unit 3, by 1 slope water inlet, 8 water outlets of influent side vertical current unit.
With the biomembrane of microorganism and formation, realize catharsis on the wherein said water purification medium to water body through contact precipitation, absorption and oxidation Decomposition.
Water outlet place of wherein said influent side vertical current unit 1, water inlet place of water outlet side vertical current unit 2 and water outlet side sidewall opening place are equipped with the iron wire block; The mesh aperture of iron wire block according to the purification medium size except that unit water outlet place of influent side vertical current be the 1-5cm, other are 2mm.
Characteristics of the present invention are following:
1. have the flow of conciliation, control water level function;
2. has strengthened purification water quality ability;
3. the selection of purification medium can be provided with according to the engineering objective needs, can reach the denitrogenation dephosphorizing effect;
4. dam is adjusted operational mode automatically according to dam body both sides water level, and backwash does not need additionaling power.
Description of drawings:
Fig. 1 is the 3 dimensional drawing on the sand filtration dam that the utility model provided
Fig. 2 is the water inlet stream of cleaned water sketch map on the sand filtration dam that the utility model provided
Fig. 3 is the backwashing water flow diagram on the sand filtration dam that the utility model provided
Among the figure: 1 is influent side vertical current unit, and 2 is water outlet side vertical current unit, and 3 is the horizontal flow unit; 4 are sand filtration dam foundation plinth, and 5 is the inner purification medium in influent side vertical current unit, and 6 is the inner purification medium in water outlet side vertical current unit; 7 is the inner purification medium in horizontal flow unit, and 8 is the water inlet of influent side vertical current unit, and 9 is the sidewall hole between the cuboid sash arranged side by side of water outlet side vertical current unit; 10 is the iron wire block at water outlet side sidewall opening place, and 11 is the iron wire block between influent side vertical current unit and the horizontal flow unit, and 12 are the block of the iron wire between water outlet vertical current unit and the horizontal flow unit; 13 is the influent side peak level, and 14 is the influent side lowest water level, and 15 is the water outlet side peak level; 16 is the water outlet side lowest water level; 17 is the water (flow) direction of river, and 18 are water inlet stream of cleaned water direction, and 19 is the backwashing water flow path direction.
The specific embodiment:
The core of the utility model is a kind of sand filtration dam, below in conjunction with description of drawings the utility model specific embodiment:
As shown in the figure: the sand filtration dam comprises influent side vertical current unit 1, water outlet side vertical current unit 2, horizontal flow unit 3, purification medium, reinforced concrete box structure and sand filtration dam foundation plinth 4.The water (flow) direction of 17 expression rivers.The top of influent side vertical current unit 1 is a slope, on this slope, offers some water inlets 8, and it is shaped as square; Be of a size of 30cm, each opening is 30cm at interval, the influent side vertical current unit 1 inner purification medium of filling; Particle diameter is 10-20cm; Water outlet place is provided with iron wire block 11, and the aperture is 1-5cm, prevents that medium from overflowing; 2 cross sections, water outlet side vertical current unit are rectangle, are two cuboid gridiron structures arranged side by side, reserving hole on the sidewall between the sash; And on the water outlet side sidewall, form opening, opening shape is square, is of a size of 20-30cm; Aperture position is between water outlet side peak level and lowest water level, and open height is identical with the hole height, the inner medium of filling in this unit; Particle diameter is 2-4mm, and 2 water inlets place of water outlet side vertical current unit and water outlet side sidewall opening place are provided with the iron wire block, and the aperture is 2mm; Horizontal flow unit 3 is positioned at influent side vertical current unit 1 and 2 bottoms, water outlet side vertical current unit, and the cross section is a rectangle, highly is 30cm, and the purification medium particle diameter is 2-4mm, reserving hole between this unit and influent side and water outlet side vertical current unit.The composition of sand filtration dam foundation plinth 4 and structure need be confirmed according to calculating, guarantee the safety and firmness of dam body.
When the influent side water level is higher than the water outlet side water level; The sand filtration dam normally intakes, by 1 water inlet of influent side vertical current unit, through 2 water outlets of water outlet side vertical current unit; With the biomembrane of microorganism and formation, realize catharsis on the water purification medium to water body through contact precipitation, absorption and oxidation Decomposition.When the influent side water level is lower than the water outlet side water level; The sand filtration dam carries out backwash, and the water outlet side water body gets into water outlet side vertical current unit 2, through horizontal flow unit 3; Through slope water inlet 8 water outlets at 1 top, influent side vertical current unit, whole process does not need additionaling power.
The above only is the description of the embodiment of utility model; Should be understood that; Since the finiteness of text description, to one skilled in the art, under the prerequisite that does not break away from the utility model spirit and scope; Can also make variation and improvement, these variations and improvement also should be regarded as the protection domain of the utility model.
Claims (8)
1. sand filtration dam is characterized in that: said sand filtration dam comprises permeable dam body, be positioned at the inner purification medium of permeable dam body and be positioned at sand filtration dam foundation plinth three parts of permeable dam body bottom.
2. sand filtration according to claim 1 dam is characterized in that: said permeable dam body is concrete or reinforced concrete box structure, is made up of influent side vertical current unit (1), water outlet side vertical current unit (2) and horizontal flow unit (3):
(1) top, influent side vertical current unit (1) is a slope, and the position of the horizontal projection of slope is the highest between the influent side water body, between the lowest water level, water inlet (8) is arranged on the slope; Water inlet is arranged evenly; Be shaped as squarely, be of a size of 30cm, each opening is spaced apart 30cm;
(2) cross section, water outlet side vertical current unit (2) is a rectangle, has 2 cuboid sashes arranged side by side at least.Water outlet side vertical current unit (2) forms opening on the sidewall between the highest, the lowest water level of water outlet side water body, opening shape is square, is of a size of 20-30cm, reserving hole on the sidewall between the cuboid sash side by side in the open height scope;
(3) horizontal flow unit (3) are positioned at influent side vertical current unit and water outlet side vertical current unit bottom, and the cross section is a rectangle, reserving hole between 30cm, and influent side highly at least and water outlet side vertical current unit.
3. sand filtration according to claim 1 dam; It is characterized in that: the inner purification medium of said permeable dike is natural sandstone or zeolite filler; Inside, influent side vertical current unit (1) is the filler of particle diameter 10-20cm; The interior particle diameter in water outlet side vertical current unit (2) and horizontal flow unit (3) is 2～4.0mm, and concrete selecting for use of medium can be provided with according to the function on sand filtration dam, can reach the denitrogenation dephosphorizing effect.
4. sand filtration according to claim 1 dam is characterized in that: the said sand filtration dam foundation plinth (4) that is positioned at permeable dam body bottom, it forms with structure definite according to calculating, and guarantees the safety and firmness of dam body.
5. sand filtration according to claim 1 dam is characterized in that: when the influent side water level was higher than the water outlet side water level, the sand filtration dam normally intake, by influent side vertical current unit (1) water inlet, through water outlet side vertical current unit (2) water outlet.
6. sand filtration according to claim 1 dam; It is characterized in that: when the influent side water level is lower than the water outlet side water level; The sand filtration dam carries out backwash; Get into water outlet side vertical current unit (2) by the water outlet side water body, through horizontal flow unit (3), by influent side vertical current unit (1) slope water inlet (8) water outlet.
7. sand filtration according to claim 1 dam is characterized in that: with the biomembrane of microorganism and formation, realize the catharsis to water body through contact precipitation, absorption and oxidation Decomposition on the wherein said water purification medium.
8. sand filtration according to claim 1 dam; It is characterized in that: water inlet place of water outlet place of wherein said influent side vertical current unit (1), water outlet side vertical current unit (2) and water outlet side sidewall opening place are equipped with the iron wire block; The mesh aperture is the 1-5cm according to the purification medium size except that water outlet place of influent side vertical current unit (1), and other are 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204566316U CN202416262U (en) | 2011-11-17 | 2011-11-17 | Sand filtering dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204566316U CN202416262U (en) | 2011-11-17 | 2011-11-17 | Sand filtering dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202416262U true CN202416262U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204566316U Expired - Fee Related CN202416262U (en) | 2011-11-17 | 2011-11-17 | Sand filtering dam |
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| CN (1) | CN202416262U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505665A (en) * | 2011-11-17 | 2012-06-20 | 金丹越 | Sand filtering dam |
| CN104452674A (en) * | 2014-11-28 | 2015-03-25 | 上海师范大学 | Combined type ecological permeable dam |
| CN105152348A (en) * | 2015-09-30 | 2015-12-16 | 武汉中科水生环境工程股份有限公司 | Anti-blocking baffling type percolation dam |
| CN107663848A (en) * | 2017-11-10 | 2018-02-06 | 黄河勘测规划设计有限公司 | The sluice structure of water is filtered, divided suitable for fully-loaded stream |
-
2011
- 2011-11-17 CN CN2011204566316U patent/CN202416262U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505665A (en) * | 2011-11-17 | 2012-06-20 | 金丹越 | Sand filtering dam |
| CN104452674A (en) * | 2014-11-28 | 2015-03-25 | 上海师范大学 | Combined type ecological permeable dam |
| CN105152348A (en) * | 2015-09-30 | 2015-12-16 | 武汉中科水生环境工程股份有限公司 | Anti-blocking baffling type percolation dam |
| CN107663848A (en) * | 2017-11-10 | 2018-02-06 | 黄河勘测规划设计有限公司 | The sluice structure of water is filtered, divided suitable for fully-loaded stream |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: North building, No. 13 Hospital of Beijing city Xicheng District Yuetan North Street 100037 Patentee after: Jin Danyue Patentee after: Beijing Xilanshi Environment Engineering Technology Development Co., Ltd. Patentee after: Jin Xiangcan Address before: 100012, room 0412, security building, 32 Beiyuan Road, Beijing, Chaoyang District Patentee before: Jin Danyue Patentee before: Beijing Xilanshi Environment Engineering Technology Development Co., Ltd. Patentee before: Jin Xiangcan |
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| DD01 | Delivery of document by public notice |
Addressee: Jin Danyue Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: Jin Danyue Document name: Notification of Termination of Patent Right |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20131117 |