CN214629136U

CN214629136U - Composite ecological fish reef suitable for urban river channel

Info

Publication number: CN214629136U
Application number: CN202120696575.7U
Authority: CN
Inventors: 赖秋英; 张毅敏; 朱豆豆; 高月香; 羌鑫梁; 张志伟; 陈婷
Original assignee: Nanjing Institute of Environmental Sciences MEE
Current assignee: Nanjing Institute of Environmental Sciences MEE
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-09
Anticipated expiration: 2031-04-07

Abstract

The utility model relates to a compound ecological fish shelter suitable for city river course, for the narrow multilayer structure wide down in the upper portion that comprises a plurality of reefs unit, reefs unit is semicircle tile structure, leans on with the long limit counterbalance of reefs unit of layer, and the reefs unit of upper and lower floor staggers half body level within a definite time, constitutes communicating the chamber of protecting of sheltering around a plurality of in the compound ecological fish shelter. The utility model discloses an ecological fish shelter simple structure, small, light in weight, with low costs, be convenient for transportation and installation, it can place in the river course steadily, and the surface area is big, and the inner space constitutes penetrating refuge the chamber, can perch for fish and breed and provide the place. The contact area between the bottom of the ecological fish reef and the river bottom is small, and the problem that the traditional ecological fish reef blocks the ecological chain of the water-soil interface of the river bottom is effectively solved. The ecological fish reef can be made according to the actual conditions of the river channel and put in, and is suitable for small-size urban river channels.

Description

Composite ecological fish reef suitable for urban river channel

Technical Field

The utility model belongs to the technical field of river course ecological remediation, concretely relates to compound ecological fish shelter suitable for city river course.

Background

With the rapid development of social economy, the problem of water pollution is increasingly prominent, and the ecological environment of the river channel is seriously threatened. The ecological fish reef is a structure which is artificially placed in a water environment and used for restoring and optimizing the ecological environment of a water area, and can provide a habitat for gathering, breeding, growing and avoiding of aquatic organisms such as fishes and the like through proper manufacturing and placing, so that the aim of improving the ecological environment of the water area is fulfilled. However, the existing ecological fish reef has the following problems: (1) the reef body is usually made of reinforced concrete material, has low porosity and small surface area, and is not beneficial to the attachment and growth of aquatic organisms; (2) the reef body is too closed, which is not beneficial to water body exchange; (3) the ecological chain of the water-soil interface at the bottom of the river is easily blocked, the connection with aquatic plants is not tight, and the ecological improvement effect is not ideal; (4) the production cost is high, the processing and manufacturing are troublesome, the construction period is long, the large and heavy transportation is difficult, and the production, transportation and installation efficiency is low.

Disclosure of Invention

The utility model provides a low-cost, the compound ecological fish reef that is applicable to city river course that is convenient for produce transportation, installation put in.

The utility model discloses the technical scheme who adopts does:

the utility model provides a compound ecological fish reef suitable for city river course, is the multilayer structure of width under the upper narrow that comprises a plurality of reefs unit, and the reefs unit is semicircle tile structure, and the long limit of the reefs unit on the same floor supports and leans on, staggers half position between the reefs unit of upper and lower floor, constitute communicating the shelter chamber of sheltering around a plurality of in the compound ecological fish reef.

Further, the length x width x height of the reef units is 0.9m x 0.3m x 0.1 m.

Furthermore, the composite ecological fish reef is formed by pouring ecological concrete containing fly ash at one time.

Furthermore, the number of the reef units is five, the lower layer is three adjacent reef units, and the upper layer is two adjacent reef units.

Furthermore, a plurality of circular holes are uniformly formed in the left side and the right side of each reef unit along the length direction, the number of the circular holes in the left side and the right side is equal, and the circular holes are horizontally aligned one by one.

Furthermore, the number of the round holes arranged on the reef unit is 12, and the left side and the right side of the reef unit are respectively 6.

Further, the aperture of the round hole is 5 cm.

Furthermore, a plurality of transplanting holes are uniformly arranged at the boundary groove between the reef units along the length direction, and aquatic plants are planted in the transplanting holes.

The beneficial effects of the utility model reside in that:

1. the utility model discloses an ecological fish shelter is the upper narrow wide multilayer structure down that comprises the reef body unit of a plurality of semicircle tile-shaped, can place steadily in the river course, and the surface area is big, and the inner space constitutes penetrating refuge chamber, can perch for fish and breed and provide the place.

2. The contact area between the bottom of the ecological fish reef and the river bottom is small, and the problem that the traditional ecological fish reef blocks the ecological chain of the water-soil interface of the river bottom is effectively solved.

3. The ecological fish reef has the advantages of simple structure, small volume, light weight, low cost and convenient transportation and installation. Simultaneously, the ecological fish shelter can make according to the actual conditions in river course and put in, is applicable to small-size city river course.

Drawings

FIG. 1 is a schematic structural diagram of a composite ecological fish reef;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic diagram of a using state of the composite ecological fish reef thrown into a river channel;

reference numerals: 1-reef unit, 2-round hole, 3-transplanting hole and 4-aquatic plant.

Detailed Description

The composite ecological fish reef suitable for urban river channels of the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 3, a compound ecological fish reef suitable for urban river course, for the multilayer structure of narrow top and wide bottom that comprises a plurality of reef body units 1, reef body unit 1 is half circular tile structure, and the reef body unit 1 long limit of the same floor leans on, and the reef body unit 1 of upper and lower floor staggers half position between, constitutes a plurality of communicating sheltering chamber around in the compound ecological fish reef, and the inner space is penetrating, has improved the utilization ratio of space, provides the place for fish gathering, perching, breed.

In the embodiment, the composite ecological fish reef is formed by pouring ecological concrete containing fly ash at one time, and is easy to process. The ecological concrete has the advantages of high porosity and good water permeability, and is beneficial to the attached growth of aquatic animals, plants and microorganisms. Meanwhile, the ecological concrete is rough and scouring-resistant, so that the friction force on the surface of the reef body can be improved, and the adhesion of fish eggs is facilitated, and the survival rate of the fish eggs is improved.

The number of the reef units 1 is five, the lower layer is three adjacent reef units 1, the upper layer is two adjacent reef units 1, the reef units can be stably arranged in a river channel, the contact area of the bottom of the ecological fish reef and the river bottom is small, and the problem that the traditional ecological fish reef blocks the water-soil interface ecological chain of the river bottom is effectively solved. The length multiplied by the width multiplied by the height multiplied by the reef body unit 1 is 0.9m multiplied by 0.3m multiplied by 0.1m, the volume is small, the weight is light, and the transportation cost is low.

In addition, a plurality of circular holes 2 have evenly been seted up along length direction in the left and right sides of each reef body unit 1, and the side circular hole 2 quantity of controlling equals, and level alignment one by one is favorable to rivers like this at the inside flow of fish shelter, reduces the influence that the fish shelter was flooded to the river course. In this embodiment, the reef unit 1 has 12 circular holes 2, 6 holes on the left and right sides. The aperture of the round hole 2 is 5 cm. The round holes 2 are used for improving the permeability inside and outside the fish reef, are beneficial to the exchange of water bodies, reduce the resistance borne by the reef and provide channels for the fish to swim, avoid the enemy and enter and exit. In addition, the circular holes 2 on the reef body unit 1 also save materials and reduce the production cost.

A plurality of transplanting holes 3 are uniformly arranged at the boundary groove between the reef units 1 along the length direction, and aquatic plants 4 are planted in the transplanting holes 3. The groove structure is beneficial to accumulation of soil and organic matters, and is beneficial to improving the survival rate of the aquatic plants 4. The transplanted aquatic plant 4 can improve water quality and provide a better living environment for fish.

The utility model discloses a compound ecological fish reef of tile structure can expand as required in structure and quantity. As shown in fig. 4, the ecological fish reef is thrown into a small urban river channel with the average water depth of 2 meters at intervals from left to right, the size of the fish reef is 0.9m multiplied by 0.2m, the throwing area proportion of the ecological fish reef is about 15%, the scheme can improve the number of fish schools in the area, recover the coverage area of aquatic plants, remarkably improve the water quality and maintain the balance of a good ecological system.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any replacement or change method that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a compound ecological fish shelter suitable for city river course which characterized in that, for the multilayer structure of width under the narrow top that comprises a plurality of reefs unit (1), reefs unit (1) is semicircle tile structure, and the long limit of the reefs unit (1) on the same floor supports and leans on, staggers half position between the reefs unit (1) of upper and lower floor, constitute communicating the chamber of protecting of sheltering around a plurality of in the compound ecological fish shelter.

2. The composite ecological fish reef suitable for the urban river according to claim 1, wherein the length x width x height of the reef body unit (1) is 0.9m x 0.3m x 0.1 m.

3. The composite ecological fish reef suitable for the urban river according to claim 1, wherein the composite ecological fish reef is formed by pouring ecological concrete containing fly ash at one time.

4. The composite ecological fish reef suitable for the urban river according to claim 1, wherein the number of the reef units (1) is five, the lower layer is three adjacent reef units (1), and the upper layer is two adjacent reef units (1).

5. The composite ecological fish reef suitable for the urban river according to any one of claims 1 to 4, wherein a plurality of circular holes (2) are uniformly formed in the left side and the right side of each reef body unit (1) along the length direction, and the circular holes (2) in the left side and the right side are equal in number and are horizontally aligned one by one.

6. The composite ecological fish reef suitable for the urban river according to claim 5, wherein the number of the circular holes (2) formed in the reef body unit (1) is 12, and the number of the circular holes is 6 on each of the left side and the right side.

7. The composite ecological fish reef suitable for the urban river according to claim 5, wherein the diameter of the circular holes (2) is 5 cm.

8. The composite ecological fish reef suitable for the urban river according to any one of claims 1 to 4, wherein a plurality of transplanting holes (3) are uniformly formed in the boundary groove between reef body units (1) along the length direction, and aquatic plants (4) are planted in the transplanting holes (3).