Lakebed pollutant continuous treatment device

Abstract

The invention provides a lakebed pollutant continuous treatment device and relates to the field of pollutant treatment. The device comprises a shell. According to the device, a crushing shaft is composed of two crushing blades and a connecting plate, meanwhile first elastic cavities, a second elastic cavity and knives are arranged, the first elastic cavities and the second elastic cavity are driven by temperature rise to expand, and therefore the knives are driven to extend out of strip-like sliding holes to cut garbage bags wound around the crushing blades; at the same time, the second elastic cavity subjected to thermal expansion drives a connecting rod to move, so that a first mounting box is driven to move, and the garbage bags wound around the crushing blades are more convenient to cut and crush through sliding of the knives; and moreover, a condensing circulation device is arranged, so that the first elastic cavities and the second elastic cavity perform thermal expansion and cold contraction back and forth all the time, accordingly the knives extend back and forth in the strip-like sliding holes and perform back-and-forth cutting simultaneously, and therefore the garbage bags wound around the crushing blades can be quickly cut and crushed.

Description

technical field [0001] The invention relates to the field of pollutant treatment, in particular to a continuous treatment device for lake bottom pollutants. Background technique [0002] In recent years, due to a series of physical, chemical and biochemical processes such as municipal sewage, industrial wastewater, agricultural wastewater, surface runoff, and atmospheric dustfall, some or most of them have been deposited at the bottom of rivers and lakes, resulting in eutrophication of lakes and rivers. Lake bottom mud is not only an important reservoir of organic and heavy metal pollutants, but also a potential secondary pollution source of water bodies, and seriously endangers human health through the food chain. Reasonable disposal of bottom mud is one of the important ways to fundamentally solve water pollution. Sediment disposal needs to solve two problems, one is the remediation of organic matter-heavy metal polluted river and lake sediments, and the other is the dehyd...

AI Technical Summary

Problems solved by technology

[0003] After the lake bottom pollutants are salvaged, they need to be continuously treated, usually placed in a reactor for treatment. During the treatment process, due to the large amount of pollutants, the pollutants need to be continuously transported, usually through a screw conveyor. Pollutant transportation, the existing screw conveyor is prone to blockage during the conveying process. By using the crushing shaft to crush the pollutants, the garbage bags of the pollutants are easy to wrap around the crushing shaft, which affects the toughness of the blade, which is not conducive to Continuous treatment of pollutants

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