CN110040855B - Artificial wetland - Google Patents
Artificial wetland Download PDFInfo
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- CN110040855B CN110040855B CN201910466941.7A CN201910466941A CN110040855B CN 110040855 B CN110040855 B CN 110040855B CN 201910466941 A CN201910466941 A CN 201910466941A CN 110040855 B CN110040855 B CN 110040855B
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- sewage
- grating
- buoyancy
- fishing
- reservoir
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
Abstract
The invention discloses an artificial wetland, which comprises a sewage reservoir and a sewage purification tank. The sewage reservoir is communicated with the sewage purification tank through a sewage inlet pipe, and a purification water outlet is formed in the sewage purification tank. Emergent aquatic plants are cultivated in the sewage purification tank; a sewage grating is arranged at one port of the sewage inlet pipe, which is positioned on the sewage reservoir; the sewage grating is provided with a grating plane, and the grating plane and the horizontal plane form an inclination angle; a solid waste treatment device is arranged in the sewage reservoir; the solid waste treatment device comprises: the waste fishing device comprises a waste fishing mechanism, a buoyancy driving mechanism and a power transmission mechanism. According to the constructed wetland, additional driving equipment is not needed, and by utilizing buoyancy caused by water depth height difference generated by large and small sewage flows, solid wastes at the sewage grating can be salvaged under the coordination of the related conveying device, so that the sewage grating is prevented from being blocked, and sewage can normally pass through.
Description
Technical Field
The invention relates to the technical field of artificial wetlands, in particular to a surface flow artificial wetland.
Background
With the rapid development of environmental protection, people also have wide understanding on the functions of the wetland. The wetland is used as the 'kidney of the earth' and is responsible for the purification and treatment functions of the natural water body of the earth. Due to the gradual decrease and extinction of natural wetlands in cities, the artificial wetlands receive more and more attention and development with unique advantages. The water quality purification technology of the artificial wetland system is used as a novel ecological sewage purification treatment method, and the basic principle is that specific wetland plants are planted on artificial wetland fillers, so that the artificial wetland ecosystem is established. When the sewage passes through the wetland system, pollutants and nutrients in the sewage are absorbed or decomposed by the system, so that the water quality is purified.
The surface flow artificial wetland is one type of artificial wetland, water is distributed to the surface of the wetland, water flow advances in a plug flow manner on the surface of the wetland, contacts with soil, plants and biological membranes at the roots of the plants in the flowing process, and sewage is purified and flows out at a terminal through physical, chemical and biological reactions.
At the sewage inlet end of the artificial wetland, a sewage grid is usually arranged and used for separating and blocking solid wastes mixed in sewage so as to prevent the solid wastes which are difficult to treat from entering the artificial wetland.
However, as the sewage continuously flows through the sewage grid, the solid waste is continuously adhered to and accumulated on the sewage grid, and if the sewage grid is not cleaned in time, the sewage grid is blocked, so that the normal passing of the sewage is influenced.
Therefore, how to design and develop an artificial wetland needs not to provide extra driving equipment, and the solid waste at the sewage grid can be salvaged by utilizing the buoyancy caused by the water depth height difference generated by the large and small sewage flow in the matching of the related conveying device, so that the blockage phenomenon of the sewage grid is prevented, and the sewage can normally pass through.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the artificial wetland, which does not need to provide additional driving equipment, utilizes buoyancy caused by the difference of water depth and height generated by large and small sewage flows to salvage solid wastes at the sewage grid under the matching of a related conveying device, prevents the sewage grid from being blocked and enables sewage to normally pass through.
The purpose of the invention is realized by the following technical scheme:
an artificial wetland comprises a sewage reservoir and a sewage purification tank; the sewage reservoir is communicated with the sewage purification tank through a sewage inlet pipe, and a purification water outlet is formed in the sewage purification tank;
emergent aquatic plants are cultivated in the sewage purification tank;
a sewage grating is arranged at one port of the sewage inlet pipe, which is positioned on the sewage reservoir; the sewage grating is provided with a grating plane, and an inclination angle is formed between the grating plane and the horizontal plane;
a solid waste treatment device is arranged in the sewage reservoir; the solid waste treatment apparatus includes: the waste fishing device comprises a waste fishing mechanism, a buoyancy driving mechanism and a power transmission mechanism;
the discarded object salvage mechanism includes: salvaging the fixing frame and salvaging the propeller; the salvaging fixing frame is fixed in the sewage reservoir, the salvaging propeller is rotatably arranged on the salvaging fixing frame and is attached to the grating plane of the sewage grating, and a rotating shaft of the salvaging propeller forms an inclination angle with the horizontal plane;
the buoyancy drive mechanism includes: a buoyancy guide structure, a buoyancy block; the buoyancy guide structure is fixed in the sewage reservoir, and the buoyancy block body is arranged on the buoyancy guide structure in a sliding manner along the vertical direction;
the power transmission mechanism includes: the device comprises a base, a large swing arm, a driving connecting rod and a driven connecting rod; the base is fixed in the sewage reservoir, big swing arm rotates to be located on the base, the both ends of initiative connecting rod respectively with the buoyancy block with big swing arm is articulated, the both ends of driven connecting rod respectively with big swing arm with salvage screw swing joint.
In one embodiment, the plant of very low water content is reed.
In one embodiment, the cross section of the sewage inlet pipe is of a semicircular structure, the sewage grid is of a semicircular plate structure, and the sewage grid covers one opening end of the sewage inlet pipe.
In one embodiment, the grid plane forms an angle of inclination of 45 degrees with the horizontal.
In one embodiment, the fishing fixing frame is a ring structure, the diameter of the fishing fixing frame is the same as that of the sewage grid, the central axis of the fishing fixing frame and the central axis of the sewage grid are on the same straight line, and the edge of the fishing fixing frame surrounds the sewage grid.
In one embodiment, the central axis of the fishing propeller is in the same straight line with the central axis of the sewage grid, and the diameter of the fishing propeller is the same as that of the sewage grid.
In one embodiment, the power transmission mechanism further comprises a cross-shaped moving part, the cross-shaped moving part comprises a first movable rotating shaft and a second movable rotating shaft which are in cross connection in a cross shape, the first movable rotating shaft is pivoted on the large swing arm, and the second movable rotating shaft is hinged at one end of the driven connecting rod.
In one embodiment, the power transmission mechanism further comprises a swing rod, one end of the swing rod is fixed at the position of the central shaft of the fishing propeller, a movable ball head is arranged at the other end of the swing rod, and a movable ball sleeve is arranged at one end of the driven connecting rod and wraps the movable ball head.
In one embodiment, the buoyancy guide structure is a tubular structure, the buoyancy guide structure extends along a vertical direction, and one end of the buoyancy guide structure forms a gap with the bottom of the sewage reservoir.
According to the constructed wetland, additional driving equipment is not needed, and by utilizing buoyancy caused by water depth height difference generated by large and small sewage flows, solid wastes at the sewage grating can be salvaged under the coordination of the related conveying device, so that the sewage grating is prevented from being blocked, and sewage can normally pass through.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a structural view of an artificial wetland in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view showing the construction of the constructed wetland solid waste treatment apparatus shown in FIG. 1;
FIG. 3 is a view showing a configuration of a waste fishing mechanism of the solid waste treatment apparatus shown in FIG. 2;
FIG. 4 is a view of the waste salvage mechanism shown in FIG. 2 in cooperation with a sewage grid;
FIG. 5 is a block diagram of the buoyancy drive mechanism shown in FIG. 2;
FIG. 6 is a structural view of the power transmission mechanism shown in FIG. 2;
fig. 7 is an enlarged view of fig. 6 at a.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, an artificial wetland 10 comprises a sewage reservoir 20 and a sewage purification tank 30. The sewage reservoir 20 is communicated with the sewage purification tank 30 through a sewage inlet pipe 40, and a purification water outlet 31 is arranged at the sewage purification tank 30. Emergent aquatic plants 32 are cultivated in the sewage purification tank 30.
Since solid waste is mixed with sewage generated in production and living, the sewage reservoir 20 is used for temporarily storing sewage generated in production and living, and thus, the solid waste is settled in the sewage reservoir 20. Therefore, the solid waste can not be directly discharged into the sewage purification tank 30 along with the sewage, so that the sewage purification tank 30 can better purify the sewage.
As emergent aquatic plants 32 are cultivated in the sewage purification pool 30, water flow advances in the sewage purification pool 30 in a plug flow manner, and in the flowing process, sewage contacts with soil, plants and biological membranes at the roots of the plants in the sewage purification pool 30, is purified through physical, chemical and biological reactions, and flows out from a purified water outlet 31. In this embodiment, the emergent aquatic plant 32 may be reed.
In the present invention, it is preferable to excavate earth on the ground surface to obtain the sewage reservoir 20 and the sewage purification tank 30, and the volume of the sewage reservoir 20 and the sewage purification tank 30 may be determined according to the actual sewage treatment amount. A sewage inlet pipe 40 is provided between the sewage reservoir 20 and the sewage purification tank 30 so that the sewage within the sewage reservoir 20 can be discharged into the sewage purification tank 30 through the sewage inlet pipe 40. In particular, a corresponding open-close valve may be provided in the sewage inlet pipe 40 to control the flow rate of the sewage.
In the present invention, a sewage grating 50 is disposed at an end of the sewage inlet pipe 40 located at the sewage reservoir 20, so that the solid waste in the sewage reservoir 20 can be blocked by the sewage grating 50, and the solid waste mixed with the sewage can be prevented from entering the sewage purifying tank 30 through the sewage inlet pipe 40.
Further, the sewage grating 50 has a grating plane 51 (shown in fig. 4), and the grating plane 51 forms an inclined angle with the horizontal plane. The grid plane 51 and the horizontal plane form an inclined angle, and the structural design is convenient for matching with a subsequent solid waste treatment device and fishing the solid waste adhered to the sewage grid 50 from the water by the solid waste treatment device.
Specifically, the cross section of sewage inlet pipe 40 is semicircular structure, and sewage inlet pipe 40 is the half cylinder structure promptly, and for better cooperation sewage inlet pipe 40, sewage grid 50 is the semicircular plate body structure, and sewage grid 50 covers fits the open end of sewage inlet pipe 40. In the present embodiment, the grill plane 51 forms an inclination angle of 45 degrees with the horizontal plane.
As shown in fig. 2, a solid waste treatment apparatus 60 is installed in the sewage reservoir 20, and the solid waste treatment apparatus 60 is used to salvage the solid waste adhered to the sewage grid 50. The solid waste treatment apparatus 60 includes: the waste fishing device comprises a waste fishing mechanism 100, a buoyancy driving mechanism 200 and a power transmission mechanism 300.
As shown in fig. 3, the waste fishing mechanism 100 includes: a fishing fixing frame 110 and a fishing screw 120. The fishing fixing frame 110 is fixed in the sewage reservoir 20, the fishing screw 120 is rotatably disposed on the fishing fixing frame 110 and attached to the grating plane 51 of the sewage grating 50, and the rotation axis of the fishing screw 120 forms an inclination angle with the horizontal plane. Specifically, as shown in fig. 4, the fishing fixing frame 110 is a circular ring structure, the diameter of the fishing fixing frame 110 is the same as the diameter of the sewage grid 50, the central axis of the fishing fixing frame 110 and the central axis of the sewage grid 50 are on the same straight line, and the edge of the fishing fixing frame 110 is disposed around the sewage grid 50. Further, the central axis of the fishing screw 120 is aligned with the central axis of the sewage grid 50, and the diameter of the fishing screw 120 is the same as that of the sewage grid 50.
As shown in fig. 5, the buoyancy driving mechanism 200 includes: buoyancy guide structure 210, buoyancy block 220. The buoyancy guide structure 210 is fixed in the sewage reservoir 20, and the buoyancy block 220 is slidably disposed on the buoyancy guide structure 210 in a vertical direction. In this embodiment, the buoyancy guide structure 210 is a tubular structure, the buoyancy guide structure 210 extends along a vertical direction, and a gap is formed between one end of the buoyancy guide structure 210 and the bottom of the sewage reservoir 20, so that sewage in the sewage reservoir 20 can smoothly enter the pipe body.
As shown in fig. 6, the power transmission mechanism 300 includes: base 310, big swing arm 320, driving link 330, driven link 340. The base 310 is fixed in the sewage reservoir 20, the large swing arm 320 is rotatably arranged on the base 310, two ends of the driving connecting rod 330 are respectively hinged with the buoyancy block 220 and the large swing arm 320, and two ends of the driven connecting rod 340 are respectively movably connected with the large swing arm 320 and the fishing propeller 120.
Specifically, one end of the driven link 340 is movably connected to the large swing arm 320, and the power transmission mechanism 300 further includes a cross-shaped movable member 350, as shown in fig. 7, the cross-shaped movable member 350 includes a first movable rotating shaft 351 and a second movable rotating shaft 352 that are cross-connected, the first movable rotating shaft 351 is pivoted to the large swing arm 320, and the second movable rotating shaft 352 is hinged to one end of the driven link 340.
It should be further specifically noted that the other end of the driven link 340 is movably connected to the fishing propeller 120, and is a connection relationship, for example, as shown in fig. 6, the power transmission mechanism 300 further includes a swing rod 360, one end of the swing rod 360 is fixed at the central axis position of the fishing propeller 120, the other end of the swing rod 360 is provided with a movable ball 361, one end of the driven link 340 is provided with a movable ball sleeve 341, and the movable ball sleeve 341 wraps the movable ball 361.
The two ends of the driven connecting rod 340 are respectively optimized, for example, one end of the driven connecting rod 340 is movably connected with the large swing arm 320 through a cross-shaped movable element 350, the other end of the driven connecting rod 340 is movably connected with the fishing propeller 120 through a swing rod 360, and a movable ball sleeve 341 and a movable ball head 361 are arranged in a matching manner, so that each joint of the power transmission mechanism 300 can flexibly move, and the purpose of power transmission is achieved.
The operation principle of the solid waste treatment apparatus 60 will be described below:
injecting sewage generated in production and life into the sewage reservoir 20, wherein the sewage in the sewage reservoir 20 can be discharged into the sewage purification tank 30 through the sewage inlet pipe 40, and the sewage flows out from the purification water outlet 31 after being purified in the sewage purification tank 30; in this process, the amount of the wastewater in the wastewater storage tank 20 varies with time as the wastewater is poured and discharged, and thus the depth of the wastewater in the wastewater storage tank 20 is increased or decreased; because the buoyancy block 220 floats on the water surface of the sewage, the sewage can generate buoyancy on the buoyancy block 220, so that the buoyancy block 220 can do corresponding lifting motion in the vertical direction along the buoyancy guide structure 210;
the buoyancy block 220 is vertically lifted, and the buoyancy block 220 further drives the large swing arm 320 to rotate around the base 310 through the driving connecting rod 330, so that the large swing arm 320 rotates clockwise or counterclockwise;
the large swing arm 320 rotates, and the large swing arm 320 drives the fishing propeller 120 to rotate in the fishing fixing frame 110 through the driven connecting rod 340;
since the fishing screw 120 is attached to the grating plane 51 of the sewage grating 50, the fishing screw 120 has a plurality of blades, and the blades can fish the solid wastes adhered to the sewage grating 50 from the sewage during the rotation of the fishing screw 120; it should be particularly noted that the grating plane 51 of the sewage grating 50 forms an inclination angle with the horizontal plane, the fishing screw 120 is rotatably disposed on the fishing fixing frame 110 and attached to the grating plane 51 of the sewage grating 50, and the rotation axis of the fishing screw 120 forms an inclination angle with the horizontal plane, so that the whole body formed by the sewage grating 50 and the fishing screw 120 is in an inclined state, when solid waste on the sewage grating 50 is fished out from sewage by the scraping blade of the fishing screw 120, the fished solid waste can smoothly fall off under the action of gravity, and the solid waste can fall off the outside of the sewage, thereby facilitating the recovery treatment of the solid waste;
therefore, as the sewage in the sewage reservoir 20 continuously rises and falls, under the action of the buoyancy driving mechanism 200 and the power transmission mechanism 300, the solid waste on the sewage grid 50 can be continuously salvaged by the waste salvage mechanism 100 without providing additional driving equipment, the solid waste at the sewage grid can be salvaged by utilizing the buoyancy caused by the water depth height difference generated by the sewage flow in large and small time, the blockage phenomenon of the sewage grid is prevented, and the sewage can normally pass through the waste.
It should be further noted that, as shown in fig. 5, the buoyancy block 220 is provided with a gravity pressing block 221, and since the gravity pressing block 221 has a certain weight, when the buoyancy block 220 descends along the buoyancy guide structure 210, the gravity pressing block 221 can provide a certain downward pressure for the buoyancy block 220, so that the buoyancy block 220 can descend more smoothly against the related resistance, and further drive the related power transmission mechanism 300 to perform transmission motion.
According to the constructed wetland, additional driving equipment is not needed, and by utilizing buoyancy caused by water depth height difference generated by large and small sewage flows, solid wastes at the sewage grating can be salvaged under the coordination of the related conveying device, so that the sewage grating is prevented from being blocked, and sewage can normally pass through.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The artificial wetland is characterized by comprising a sewage reservoir and a sewage purification tank; the sewage reservoir is communicated with the sewage purification tank through a sewage inlet pipe, and a purification water outlet is formed in the sewage purification tank;
emergent aquatic plants are cultivated in the sewage purification tank;
a sewage grating is arranged at one port of the sewage inlet pipe, which is positioned on the sewage reservoir; the sewage grating is provided with a grating plane, and an inclination angle is formed between the grating plane and the horizontal plane;
a solid waste treatment device is arranged in the sewage reservoir; the solid waste treatment apparatus includes: the waste fishing device comprises a waste fishing mechanism, a buoyancy driving mechanism and a power transmission mechanism;
the discarded object salvage mechanism includes: salvaging the fixing frame and salvaging the propeller; the salvaging fixing frame is fixed in the sewage reservoir, the salvaging propeller is rotatably arranged on the salvaging fixing frame and is attached to the grating plane of the sewage grating, and a rotating shaft of the salvaging propeller forms an inclination angle with the horizontal plane;
the buoyancy drive mechanism includes: a buoyancy guide structure, a buoyancy block; the buoyancy guide structure is fixed in the sewage reservoir, and the buoyancy block body is arranged on the buoyancy guide structure in a sliding manner along the vertical direction; the buoyancy guide structure is a tubular structure, the buoyancy guide structure extends along the vertical direction, and a gap is formed between one end of the buoyancy guide structure and the bottom of the sewage reservoir; the buoyancy block body is provided with a gravity lower pressing block;
the power transmission mechanism includes: the device comprises a base, a large swing arm, a driving connecting rod and a driven connecting rod; the base is fixed in the sewage reservoir, big swing arm rotates to be located on the base, the both ends of initiative connecting rod respectively with the buoyancy block with big swing arm is articulated, the both ends of driven connecting rod respectively with big swing arm with salvage screw swing joint.
2. The constructed wetland according to claim 1, wherein the water-lifting type plants are reeds.
3. The constructed wetland according to claim 1, wherein the cross section of the sewage inlet pipe is of a semicircular structure, the sewage grid is of a semicircular plate structure, and the sewage grid covers one open end of the sewage inlet pipe.
4. The constructed wetland according to claim 3, wherein the plane of the grating forms an inclination angle of 45 degrees with the horizontal plane.
5. The constructed wetland according to claim 4, wherein the fishing fixing frame is of a ring body structure, the diameter of the fishing fixing frame is the same as that of the sewage grid, the central axis of the fishing fixing frame is in the same straight line with that of the sewage grid, and the edge of the fishing fixing frame is arranged around the sewage grid.
6. The constructed wetland according to claim 5, wherein the central axis of the fishing propeller is collinear with the central axis of the sewage grid, and the diameter of the fishing propeller is the same as that of the sewage grid.
7. The constructed wetland according to claim 1, wherein the power transmission mechanism further comprises a cross-shaped movable member, the cross-shaped movable member comprises a first movable rotating shaft and a second movable rotating shaft which are in cross connection, the first movable rotating shaft is pivoted on the large swinging arm, and the second movable rotating shaft is hinged at one end of the driven connecting rod.
8. The constructed wetland according to claim 7, wherein the power transmission mechanism further comprises a swinging rod, one end of the swinging rod is fixed at the position of the central shaft of the salvaging propeller, the other end of the swinging rod is provided with a movable ball head, one end of the driven connecting rod is provided with a movable ball sleeve, and the movable ball sleeve wraps the movable ball head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466941.7A CN110040855B (en) | 2019-05-31 | 2019-05-31 | Artificial wetland |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466941.7A CN110040855B (en) | 2019-05-31 | 2019-05-31 | Artificial wetland |
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| CN110040855A CN110040855A (en) | 2019-07-23 |
| CN110040855B true CN110040855B (en) | 2020-03-27 |
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| CN201910466941.7A Active CN110040855B (en) | 2019-05-31 | 2019-05-31 | Artificial wetland |
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| CN113044988B (en) * | 2021-03-12 | 2022-11-18 | 重庆市水产技术推广总站 | Multistage constructed wetland breeding tail water treatment system |
| CN113620533B (en) * | 2021-08-20 | 2023-04-07 | 连云港徐圩城建工程有限公司 | Ecological combined artificial wetland for saline-alkali soil centralized treatment of saline-alkali soil |
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| CN106007218B (en) * | 2016-07-14 | 2019-08-30 | 青岛大学 | A kind of urban rainwater Ecological Disposal and the system and method utilized |
| CN207260114U (en) * | 2017-09-15 | 2018-04-20 | 邦城规划顾问(苏州工业园区)有限公司 | Urban river rubbish blocking apparatus |
| CN109592852B (en) * | 2018-12-29 | 2021-10-29 | 河海大学 | River water pollution prevention and treatment device |
| CN109665673A (en) * | 2019-01-18 | 2019-04-23 | 南通市市政工程设计院有限责任公司 | City inland river sewage treatment system |
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