A river surface duckweed salvage and collection device for river ecological restoration

Abstract

The invention discloses a river surface duckweed salvaging collecting device for river ecological restoration. The river surface duckweed salvaging collecting device comprises a box body. A collectingopening is formed in the outer wall of one side of the box body. An annular guide plate is welded to the inner wall of one side of the collecting opening. A gathering hopper is welded to the outer wall of one side of the guide plate. Two storing grooves distributed in an up and down mode are formed in the outer walls of the opposite two sides of the box body. Rotating shafts are welded to the inner walls of one sides of the storing grooves. Rotating shaft sleeves are arranged on the outer walls of one sides of the rotating shafts in a sleeving mode. Fixing blocks are welded to the outer wallsof one sides of the rotating shaft sleeves. Connecting blocks are fixedly mounted at the fixing blocks. Connecting arms are fixedly connected with one ends of the connecting blocks. Cross sections ofthe connecting blocks are in an H shape. Feeding openings are formed in the outer walls of one sides of the connecting arms. The feeding openings are in a right trapezoid shape. Inclined plates are welded to the top ends of the inner walls of the collecting arms. River surface duckweed can be efficiently collected. Duckweed collection completeness can be improved by water flow, and duckweed collecting efficiency can be improved.

Description

technical field [0001] The invention relates to the technical field of ecological and environmental protection management, in particular to a device for fishing and collecting duckweed on the river surface for ecological restoration of river courses. Background technique [0002] Duckweed is a common floating plant on the water surface in all provinces of my country. It reproduces and grows extremely fast. A large number of duckweed blocks the sunlight and is not conducive to the photosynthesis of plankton in the water. The contact area between oxygen and the water surface is reduced, resulting in hypoxia in the water. In severe cases, it will cause a large number of fish. dead, the water quality in the river channel deteriorates or even rots, so the large-scale breeding of duckweed is the cause of indirect water pollution. At present, the duckweed cleaning process cannot deal with long aquatic plants well, and it is easy to block the cleaning device. In addition, duckweed cle...

AI Technical Summary

Problems solved by technology

The above-mentioned patents have the following disadvantages: if there are too many duckweeds, the resistance of the filter sieve is too large, which will easily cause the bottom spiral cabin to rotate, that is, the device itself will fail, and its duckweed cleaning efficiency is too slow

And above-mentioned patent can not solve this kind of problem, therefore, need badly a kind of river surface duckweed salvage collection device for ecological restoration of river course

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