CN110627244A - Gabion net mechanism suitable for pond culture tail water treatment and use method - Google Patents

Gabion net mechanism suitable for pond culture tail water treatment and use method Download PDF

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Publication number
CN110627244A
CN110627244A CN201910973001.7A CN201910973001A CN110627244A CN 110627244 A CN110627244 A CN 110627244A CN 201910973001 A CN201910973001 A CN 201910973001A CN 110627244 A CN110627244 A CN 110627244A
Authority
CN
China
Prior art keywords
gabion
mesh
gabion mesh
tail water
net
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910973001.7A
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Chinese (zh)
Inventor
刘梅
原居林
练青平
倪蒙
郭爱环
顾志敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Institute of Freshwater Fisheries
Original Assignee
Zhejiang Institute of Freshwater Fisheries
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Institute of Freshwater Fisheries filed Critical Zhejiang Institute of Freshwater Fisheries
Priority to CN201910973001.7A priority Critical patent/CN110627244A/en
Publication of CN110627244A publication Critical patent/CN110627244A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B3/00Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20Nature of the water, waste water, sewage or sludge to be treated from animal husbandry

Abstract

The invention provides a gabion mesh mechanism suitable for pond culture tail water treatment and a use method thereof, and belongs to the field of pond culture wastewater treatment. The invention relates to a gabion mesh mechanism suitable for pond culture tail water treatment, which comprises a filtering device and an anti-blocking device attached to the filtering device, wherein the filtering device comprises a plurality of filtering units attached to each other, each filtering unit comprises a first gabion mesh and a second gabion mesh which are alternately arranged, the anti-blocking device comprises a net cage attached to the filtering device, two rolling shafts erected inside the net cage, and a cleaning mesh sleeved on the rolling shafts and capable of rotating under the driving of the rolling shafts, and at least one row of cleaning brushes are arranged on the cleaning mesh. According to the gabion mesh mechanism suitable for pond culture tail water treatment and the use method, the cleaning brush can clean the anti-blocking device through manual operation and rotation of the rolling shaft in the water purification process, and the phenomenon that the function of purifying water is lost due to congestion is avoided.

Description

Gabion net mechanism suitable for pond culture tail water treatment and use method
Technical Field
The invention belongs to the field of pond culture wastewater treatment, and particularly relates to a gabion mesh mechanism suitable for pond culture tail water treatment and a use method thereof.
Background
The inland freshwater fishery in China mainly takes pond culture as a main part, the variety of culture varieties is various, the culture modes are various, most of the varieties have the problems of overhigh culture density, extensive culture modes and the like, and as a result, nitrogen and phosphorus pollutants such as a large amount of residual baits, excrement of aquatic animals and the like are directly discharged into natural water without treatment, so that the eutrophication of water bodies around culture areas is gradually intensified. According to the results of earlier investigation, most of the tail water of the aquaculture pond belongs to poor V-class water, which causes great pressure on the ecological environment and becomes a limiting factor restricting the healthy sustainable development of the freshwater aquaculture industry, and the ecological treatment of the tail water of the aquaculture pond is urgent and brings high attention to relevant government departments. At present, 80 ten thousand mu of aquaculture pond tail water treatment tasks are completed in Zhejiang, and other related counties and cities are also developed successively. The filtering dam can intercept granular pollutants in the aquaculture tail water, can effectively purify water quality, is widely applied to an ecological treatment system of the aquaculture tail water in the freshwater aquaculture pond, and is an important unit of a tail water treatment system.
At present, a filtering dam constructed by treating aquaculture tail water mainly adopts hollow bricks as a main body frame structure, cement hardening is adopted at the bottom, gravels, cobblestones and the like with different particle sizes are paved in the frame, and the aims of filtering and purifying the aquaculture tail water are fulfilled by utilizing the three synergistic effects of physics, chemistry and biology of substrates, plants and microorganisms. However, most of filling media in the existing filter dam are filter materials with high density, such as sand, and the like, and the filter dam can not be stirred during the operation of a system and can not run for two years, so that the problem of matrix blockage can occur, and the treatment efficiency of the filter dam is obviously reduced. And when the matrix is blocked, the filler can only be dug out completely to be washed and refilled, and aquatic plants are planted again, so that the engineering quantity is large, the treatment cost is obviously increased, the practical application is difficult, and the large-scale popularization is not facilitated. On the other hand, the hollow brick cement is expensive, needs professional construction, increases construction cost, and is easy to collapse when not maintained properly. Therefore, how to design an ecological filter dam system which is simple and convenient to construct, low in treatment cost, easy to maintain and capable of beautifying the environment on the basis of ensuring the treatment effect of the culture tail water is a key problem to be solved urgently in the ecological engineering of the culture wastewater at present.
In the structure of pond culture tail water treatment in the prior art, depression and blockage are not easy to clean, the pond culture tail water treatment device cannot be used continuously for a long time, and the water purification speed is reduced along with the increase of the service life.
Disclosure of Invention
In view of the above, the invention provides a gabion mesh mechanism suitable for pond culture tail water treatment and a use method thereof. Meanwhile, the whole mechanism structure is more stable by fixing each layer of gabion net through the fixing columns and the fixing holes. And the purification can be good.
The invention relates to a gabion mesh mechanism suitable for pond culture tail water treatment, which comprises a filtering device and an anti-blocking device attached to the filtering device, wherein the filtering device comprises a plurality of filtering units attached to each other, each filtering unit comprises a first gabion mesh and a second gabion mesh which are alternately arranged, a first fixing hole is formed in the upper side of each gabion mesh, a first fixing column is formed in the lower side of each gabion mesh, a second fixing hole is formed in the upper side of each second gabion mesh, a second fixing column is formed in the lower side of each second gabion mesh, the first fixing columns can be inserted into the adjacent second fixing holes, the anti-blocking device comprises a net cage attached to the filtering device, two rolling shafts arranged in the net cage, and a cleaning net sleeved on the rolling shafts and capable of rotating under the driving of the rolling shafts, and at least one row of cleaning brushes is arranged on the cleaning net.
Preferably, the net cage is provided with two net surfaces and two fixing surfaces for connecting the net surfaces, so
The fixing surface is provided with a through hole, and two ends of the rolling shaft penetrate through the through hole.
Preferably, the through holes include a first through hole provided at an upper end of the fixing surface and a second through hole provided at a lower end of the fixing surface.
Preferably, the roller includes a first roller having two ends passing through the first through hole, and two ends passing through the first through hole
And the second roller is arranged at the second through hole.
Preferably, the first roller end is fixedly connected with a power-assisted handle.
Preferably, the first gabion mesh and the second gabion mesh are cuboids.
Preferably, the anti-blocking device and the adjacent filter unit are fixed by iron wires.
A method for using the gabion mesh mechanism suitable for pond culture tail water treatment based on the foregoing description comprises the following steps:
(1) determining the length of the filtering dam, customizing a first gabion mesh and a second gabion mesh which meet the length requirement, wherein the first gabion mesh and the second gabion mesh are arranged in the filtering dam in a customized mode
The gabion mesh and the second gabion mesh are alternately laid, the gabion mesh is filled after one layer of the gabion mesh is laid, a volcanic stone layer and a first cobble layer are filled in the first gabion mesh from bottom to top, a second cobble layer and a ceramsite layer are filled in the second gabion mesh from bottom to top, and the filtering device is built;
(2) erecting the anti-blocking device, attaching the anti-blocking device to an adjacent filtering unit, and fixing the anti-blocking device by using a steel wire;
(3) fixing the planting pot on the top of the filtering device, and planting vetiver grass.
Preferably, the cobblestones have a diameter of 5-8 cm, the ceramsite has a diameter of 3-5 cm, and the vesuvianite has a diameter of 5-8 cm.
Preferably, the thickness of the volcanic stone layer is 2-3 times of the thickness of the first cobble layer, and the thickness of the ceramsite layer is 2 times of the thickness of the second cobble layer.
According to the gabion mesh mechanism suitable for pond culture tail water treatment and the use method, the cleaning brush can clean the anti-blocking device through manual operation and rotation of the rolling shaft in the water purification process, and the phenomenon that the function of purifying water is lost due to congestion is avoided. Meanwhile, the whole mechanism structure is more stable by fixing each layer of gabion net through the fixing columns and the fixing holes. And the purification can be good, the pollutant degradation effect is good, and especially total phosphorus and ammonia nitrogen.
Drawings
Fig. 1 is a schematic structural diagram of a gabion mesh mechanism suitable for pond culture tail water treatment according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a first gabion mesh and a second gabion mesh of the gabion mesh mechanism suitable for pond culture tail water treatment according to the embodiment of the invention;
fig. 3 is a schematic structural diagram of a roller of a gabion mesh mechanism suitable for pond culture tail water treatment according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a cleaning net of a gabion net mechanism suitable for pond culture tail water treatment according to an embodiment of the invention;
fig. 5 is a schematic structural diagram of a filling material filled in a practical use of a gabion mesh mechanism suitable for pond culture tail water treatment according to an embodiment of the present invention;
wherein: 1. a filtration device; 11. a filtration unit; 111. a first gabion mesh; 1111. a first fixing hole; 1112. a first fixed column; 112. a second gabion mesh; 1121. a second fixing hole; 1122. a second fixed column; 2. an anti-blocking device; 21. a net cage; 211. a screen surface; 212. a fixed surface; 213. a through hole; 2131. a first through hole; 2132. a second through hole; 22. a roller; 221. a first roller; 222. a second roller; 23. cleaning the net; 231. cleaning brushes; 24. a handle is assisted.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
Referring to fig. 1 to 4, a gabion mesh mechanism suitable for treatment of tail water of pond culture comprises a filter device 1 and an anti-blocking device 2 adjacent to the filter device 1, wherein the filter device 1 comprises a plurality of filter units 11 adjacent to each other, each filter unit 11 comprises a first gabion mesh 111 and a second gabion mesh 112 arranged alternately, a first fixing hole 1111 is formed in the upper side of each first gabion mesh 111, a first fixing column 1112 is formed in the lower side of each first gabion mesh 111, a second fixing hole 1121 is formed in the upper side of each second gabion mesh 112, a second fixing column 1122 is formed in the lower side of each second gabion mesh 112, the first fixing columns 1112 can be inserted into the adjacent second fixing holes 1121, the second fixing columns 1122 can be inserted into the first fixing holes 1111 of the first gabion meshes 111 below the adjacent second gabion meshes 112, so that the gabion meshes are fixed, dislocation between the gabion meshes is prevented, the structural stability is ensured, and the filter units 11 are vertically arranged first gabion meshes 111, and the anti-blocking device 2 adjacent to each filter unit, Second gabion net 112, the order of arranging from top to bottom in the vertical direction is first gabion net 111, second gabion net 112, first gabion net 111, second gabion net 112 … …, certainly does not have first fixed orifices 1111 as the surface of first layer first gabion net 111, and the second gabion net 112 of last layer does not have second fixed column 1122, anti-blocking device 2 include with the box with a net 21 that filter equipment 1 pastes, two erect in the inside roller 22 of box with a net 21, the cover is located roller 22 can be pivoted roller 222 under the drive of roller 22, be equipped with at least one row of cleaning brush 231 on the roller 222, guarantee that hydroenergy passes. The plurality of filtering units 11 are arranged in parallel, so that the shock resistance of the gabion mesh can be improved, and the structure is more stable.
The washing brush 231 is not easily arranged too densely and one side is blocked from water flow. Generally, 2 to 3 washing brushes 231 may be provided.
The net cage 21 is provided with two net surfaces 211 and a fixing surface 212 for connecting the net surfaces 211, the fixing surface 212 is provided with a through hole 213, and two ends of the roller 22 penetrate through the through hole 213. The through hole 213 includes a first through hole 2131 provided at an upper end of the fixing surface 212 and a second through hole 2132 provided at a lower end of the fixing surface 212. The roller 22 includes a first roller 221 having two ends passing through the first through hole 2131, and a second roller 222 having two ends passing through the second through hole 2132. The end of the first roller 221 is fixedly connected with a driving-aid handle 24.
In addition, the first gabion mesh 111 and the second gabion mesh 112 are rectangular solids. The anti-blocking device 2 and the adjacent filtering units 11 are fixed by iron wires.
When pond culture tail water purification treatment is carried out, one side of the gabion net mechanism with the anti-blocking device 2 is firstly contacted with water to be filtered, the anti-blocking device 2 can intercept floating substances such as fallen leaves, the size of meshes of the net surface 211 is smaller than that of the leaves, the meshes are properly smaller to achieve a one-stage purification effect, the rolling shafts 222 are sleeved on the two rolling shafts 22, the rolling shafts 222 are driven to rotate when the rolling shafts 22 are rotated, cleaning brushes 231 on the rolling shafts 222 rotate to be in contact friction with the net surface 211, residual pollutants on the surfaces 211 of the rolling shafts 222, the surfaces 211 of the rolling shafts 222 are prevented from being blocked. Meanwhile, one net surface 211 is in contact with the filtering unit 11, and the material is all mesh, so when the cleaning brush 231 is in contact with the net surface 211 attached to the filtering unit 11, the cleaning brush 231 can also clean one side of the filtering unit 11, the side is firstly in contact with sewage in the filtering device 1, the probability of blockage of the side is higher, the side is cleaned well, and the phenomenon that the gabion net mechanism is blocked can be well avoided.
The gabion mesh is formed by mechanically weaving high-corrosion-resistance high-strength ductile low-carbon steel wires or PVC-coated steel wires, can be customized in shape and low in price, is 2 meters long and 1 meter wide, can be stacked in each other only by several yuan, and is simple to construct.
A method for using the gabion mesh mechanism suitable for pond culture tail water treatment based on the foregoing description comprises the following steps:
(1) determining the length of the filter dam, customizing a first gabion mesh 111 and a second gabion mesh 112 which meet the length requirement, alternately laying the first gabion mesh 111 and the second gabion mesh 112, determining the number of the gabion meshes, laying the gabion meshes in a water channel flowing with sewage in a crossing manner, filling the gabion meshes after laying one layer of the gabion meshes, filling a volcanic stone layer and a first cobble layer in the first gabion mesh 111 from bottom to top, and filling a second cobble layer and a ceramic particle layer in the second gabion mesh 112 from bottom to top (2 filter units 11 can be laid simultaneously to prevent toppling in the laying process), wherein in the specific embodiment, two filter units 11 are used, each layer is covered by a cover of the gabion mesh, and a filter device 1 is built, and the laying structure of the filler refers to fig. 5;
(2) erecting the anti-blocking device 2, attaching the anti-blocking device to the adjacent filtering unit 11, and fixing the anti-blocking device by using a steel wire;
(3) fixing the planting pot on the top of the filtering device 1, planting vetiver grass, building a filtering dam, and draining sewage
Then, the sewage purification can be started.
The cobblestone has a diameter of 5-8 cm, the ceramsite has a diameter of 3-5 cm, and the vesuvianite has a diameter of 5-8 cm. The thickness of the volcanic stone layer is 2-3 times of that of the first cobblestone layer, and the thickness of the ceramsite layer is 2 times of that of the second cobblestone layer.
For example, the height of the volcanic stone is 70-80 cm, and the rest 20-30 cm is paved with a first cobble layer; laying a second cobble layer with the height of 30-40 cm and a ceramic particle layer with the height of 60-70 cm. This can prevent the lightweight filler from floating upward. In order to facilitate cleaning after blockage, the filler is recommended to be filled after being packaged by a nylon mesh bag, and the mesh of the mesh bag is as large as possible on the premise of ensuring that the filler does not leak.
The volcanic rock or ceramsite has the characteristics of light weight, corrosion resistance, easiness in carrying, good water permeability and the like because of small density, porous interior, uniform shape and components, certain strength and firmness, and the volcanic rock or ceramsite has no sharp particles in appearance, small resistance to water flow and difficulty in blocking. The ceramic particles have good adsorptivity and strong water purification capacity, and the capacity of purifying water quality of the mechanism is improved. The cobblestone density is great can strengthen the stability of mechanism, builds porous, macroporous structure simultaneously, increases the velocity of water flow. The invention organically combines the gabion mesh with the vesuvianite and the ceramsite, fully exerts the advantages of the gabion mesh and the vesuvianite and the ceramsite, and realizes sewage purification.
And (3) completing the construction of the gabion net mechanism to build a suggested filtering dam, after water is purified for a period of time, manually rotating the auxiliary handle 24 to drive the rolling shaft 22 to rotate, and cleaning the rolling shaft 222 surface 211 of the brush 231.
The vetiver grass can grow in the area of minus 10-45 ℃, the root system is developed and has strong penetrating power which can generally reach 2-3 meters and can reach 8 meters longest, and the root system of the vetiver grass has high tensile strength which reaches 40-120 MPa and is obviously higher than the tensile strength of root systems of various arbors and shrubs such as yellow fir, poplar, willow and the like, and the penetrating power is strong. The root system of the soil slope anchoring device can penetrate through the soil layer to play a role in anchoring, and can effectively improve the shear strength of the soil body, so that the slope stabilizing effect is achieved. Therefore, the vetiver grass has the advantages of low temperature resistance, fast growth, developed root system, high tensile strength and the like. Plays the role of anchoring.
In order to improve the water purification, two gabion net mechanisms can be arranged in the same purification water channel
Selecting pond culture tail water to carry out water purification experiment, and measuring water quality indexes before and after purification as follows
The water quality index purified by the two gabion net mechanisms is good, and the total nitrogen and phosphorus are greatly reduced.
According to the gabion mesh mechanism suitable for pond culture tail water treatment and the use method, the anti-blocking device 2 can be cleaned by the cleaning brush 231 through manual operation in the water purification process through the rotating roller 22, and the phenomenon that the purified water is lost due to congestion is avoided. Meanwhile, the whole mechanism structure is more stable by fixing each layer of gabion net through the fixing columns and the fixing holes. And the purification can be good, the pollutant degradation effect is good, and especially total phosphorus and ammonia nitrogen.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a gabion net mechanism suitable for pond culture tail water is handled, a serial communication port, including filter equipment, with filter equipment pastes the stifled device that prevents who faces, filter equipment includes a plurality of filter unit that face each other, filter unit is including first gabion net, the second gabion net that sets up in turn, first gabion net upside has first fixed orifices, downside has first fixed column, second gabion net upside has second fixed orifices, downside has the second fixed column, first fixed column can insert in the adjacent second fixed orifices, prevent stifled device include with filter equipment paste the box with a net, two erect in box with a net inside roller bearing, cover are located the roller bearing can be in the drive of roller bearing pivoted washing net, it is equipped with one row at least cleaning brush on the washing net.
2. The gabion mesh mechanism suitable for pond culture tail water treatment according to claim 1, wherein the net cage is provided with two mesh surfaces and a fixing surface for connecting the mesh surfaces, the fixing surface is provided with through holes, and two ends of the roller pass through the through holes.
3. The gabion mesh mechanism suitable for pond culture tail water treatment according to claim 2, wherein the through holes comprise a first through hole arranged at an upper end of the fixing surface and a second through hole arranged at a lower end of the fixing surface.
4. The gabion mesh mechanism for tail water treatment of pond culture according to claim 3, wherein the rollers comprise a first roller having both ends passing through the first through hole and a second roller having both ends passing through the second through hole.
5. The gabion mesh mechanism suitable for pond culture tail water treatment according to claim 4, wherein the first roller end is fixedly connected with a power-assisted handle.
6. The gabion mesh mechanism suitable for pond culture tail water treatment according to claim 1, wherein the first gabion mesh and the second gabion mesh are cuboid.
7. The gabion mesh mechanism suitable for pond culture tail water treatment according to claim 1, wherein the anti-blocking device is fixed with the adjacent filter unit by an iron wire.
8. A use method of a gabion mesh mechanism suitable for pond culture tail water treatment according to any one of claims 1 to 7, is characterized by comprising the following steps:
(1) determining the length of the filter dam, customizing a first gabion mesh and a second gabion mesh which meet the length requirement, alternately laying the first gabion mesh and the second gabion mesh, filling the gabion mesh after laying a layer of gabion mesh, filling a volcanic stone layer and a first cobble layer in the first gabion mesh from bottom to top, filling a second cobble layer and a ceramsite layer in the second gabion mesh from bottom to top, and building the filter device;
(2) erecting the anti-blocking device, attaching the anti-blocking device to an adjacent filtering unit, and fixing the anti-blocking device by using a steel wire;
(3) fixing the planting pot on the top of the filtering device, and planting vetiver grass.
9. The use method of the gabion mesh mechanism suitable for the tail water treatment of the pond culture as claimed in claim 8, wherein the cobblestones are 5-8 cm in diameter, the ceramsite are 3-5 cm in diameter, and the vesuvianite are 5-8 cm in diameter.
10. The use method of the gabion mesh mechanism suitable for the tail water treatment of the pond culture according to claim 9, wherein the thickness of the volcanic stone layer is 2-3 times that of the first cobblestone layer, and the thickness of the ceramsite layer is 2 times that of the second cobblestone layer.
CN201910973001.7A 2019-10-14 2019-10-14 Gabion net mechanism suitable for pond culture tail water treatment and use method Pending CN110627244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910973001.7A CN110627244A (en) 2019-10-14 2019-10-14 Gabion net mechanism suitable for pond culture tail water treatment and use method

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Application Number Priority Date Filing Date Title
CN201910973001.7A CN110627244A (en) 2019-10-14 2019-10-14 Gabion net mechanism suitable for pond culture tail water treatment and use method

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Publication Number Publication Date
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Publication number Priority date Publication date Assignee Title
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Publication number Priority date Publication date Assignee Title
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CN103204610A (en) * 2013-05-06 2013-07-17 河海大学 Compound deep purification ecological floating bed with external carbon source and purification treatment method thereof
CN108217926A (en) * 2018-02-12 2018-06-29 山东派宁环保科技有限公司 Integrated film bio-reaction system
CN108585212A (en) * 2018-05-03 2018-09-28 山东省环科院环境工程有限公司 A kind of gabion construction method of drowned flow artificial wet land
CN209378615U (en) * 2018-11-28 2019-09-13 王玉慧 A kind of silt removing dredging intercept net cleaning device

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