Prefabricated trench groove fish nest component

A prefabricated assembly and fish nest technology, which is applied in fish farming, water conservancy projects, artificial waterways, etc., can solve the problems that fish cannot escape, and achieve the effects of protecting biodiversity, easy quality control, and convenient connection

Pending Publication Date: 2020-03-06
HEILONGJIANG PROVINCIAL HYDRAULIC RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that fish cannot escape after water recedes in existing irrigation and drainage channels, and to provide a prefabricated assembly type channel fish nest component

Method used

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  • Prefabricated trench groove fish nest component
  • Prefabricated trench groove fish nest component

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0012] Specific implementation mode one: combine figure 1 and figure 2 As shown, the present embodiment is a prefabricated assembled channel fish nest component, which includes: a fish nest box 1, a fish nest entrance 2 and a prefabricated assembled channel 3; the fish nest entrance 2 is set in the fish nest box The rectangular opening structure on one side of the body 1; the two sides of the prefabricated channel 3 are provided with rectangular openings of the same size as the fish nest entrance and exit; the rectangular opening of the prefabricated assembly channel 3 communicates with the fish nest entrance 2 .

[0013] In this embodiment, the prefabricated channel 3 is communicated with the fish nest box 1 through a rectangular hole to construct a shelter for aquatic organisms such as fish.

[0014] In this embodiment, the prefabricated trench 3 is a rectangular irrigation and drainage canal, and the side walls and bottom of the trench are arranged vertically.

[0015] ...

specific Embodiment approach 2

[0018] Embodiment 2: This embodiment differs from Embodiment 1 in that the prefabricated trench 3 is a rectangular irrigation and drainage channel. Other steps and parameters are the same as those in Embodiment 1.

specific Embodiment approach 3

[0019] Embodiment 3: The difference between this embodiment and Embodiment 1 is that the connection between the rectangular opening of the prefabricated channel 3 and the fish nest entrance 2 is waterproofed. Other steps and parameters are the same as those in Embodiment 1.

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Abstract

The invention discloses a prefabricated trench groove fish nest component, and relates to farmland water conservancy facilities. The prefabricated trench groove fish nest component is used for solvingthe problem that according to an existing irrigation and drainage trench, after the water recedes, fishes cannot escape. The prefabricated trench groove fish nest component comprises a fish nest boxbody, fish nest inlet and outlet openings and a prefabricated trench groove. Each fish nest inlet and outlet opening is of a rectangular open hole structure which is formed in one side of the fish nest box body. The prefabricated trench groove fish nest component is a box-shaped structure which is suitable for inhabitation and refuge of aquatic organisms such as the fishes, the refuge of the aquatic organisms such as the fishes is built, the problem that when the water of the water delivery channel recedes, the fishes cannot escape and live in the channel is solved, and the biological diversity and the ecological integrity of the irrigation region are protected advantageously. The prefabricated trench groove fish nest component is formed by the concrete in an integral pouring mode, does not need to be assembled and processed in the later period, and is good in structural integrity, large in dead weight, high in stability, easy to install and low in cost. The factory prefabrication canbe achieved, and the quality is easy to control. The prefabricated trench groove fish nest component is conveniently connected with an existing rectangular trench, and the construction is easy and convenient. The prefabricated trench groove fish nest component is suitable for refuge of the fishes in the irrigation and drainage trench.

Description

technical field [0001] The invention relates to farmland water conservancy facilities, in particular to a prefabricated assembly type channel fish nest component. Background technique [0002] For irrigation in water-shortage areas, the design of water delivery channels in previous irrigation areas mainly considered the water supply efficiency index, and most of the channel projects used concrete lining structures. Although the vertical revetment and the smooth and non-porous canal surface on three sides improve the efficiency of water delivery, they also create a monotonous and unchanging water flow pattern, which destroys the habitat of aquatic organisms in the canal and affects the quality of aquatic animal habitat. Every autumn, when the channel water in the irrigation area recedes, a large number of small fish will be trapped at the bottom of the channel, unable to escape, seriously affecting the biodiversity and ecological integrity of the irrigation area. However, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B5/00E02B5/08A01K63/00
CPCA01K63/00E02B5/00E02B5/08
Inventor 钟华刘丽佳王宇张家阳张滨刘道维苏安双李兆宇郑健庄广志徐丽丽吴志琴王俊东
Owner HEILONGJIANG PROVINCIAL HYDRAULIC RES INST
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