Heavy metal sewage treatment and reutilization device

Abstract

The invention relates to the field of heavy metal sewage treatment and reutilization devices, in particular to a heavy metal sewage treatment and reutilization device. The device comprises an evaporation structure, a discharging structure, an atomization structure, a cooling structure, a first cleaning structure and a second cleaning structure, wherein the cooling structure is connected to the evaporation structure to convert kinetic energy of vaporization of the evaporation structure into kinetic energy of the cooling structure, meanwhile, the cooling structure absorbs waste heat while liquefying vaporized sewage so as to preheat sewage not subjected to evaporation treatment, the later evaporation vaporization efficiency of the sewage is higher, the utilization efficiency of the waste heat is improved greatly, meanwhile, the liquefying effect of vaporized sewage is better, the second cleaning structure is driven by vapor to rotate in the evaporation structure, bonding of heavy metal particles to the inner side wall of the evaporation structure is avoided, and the evaporation and heat exchange effects are better; and by arrangement of the first cleaning structure, the heavy metal particles can be effectively prevented from entering the cooling structure, and the treatment quality of the heavy metal particles is improved.

Description

technical field [0001] The invention relates to the field of heavy metal sewage treatment and reuse devices, in particular to a heavy metal sewage treatment and reuse device. Background technique [0002] With the development of modern society, the amount of sewage containing heavy metal ions is increasing. Because heavy metal ions are difficult to degrade under natural conditions, they will not only pollute water sources, soil and other environments, but also cause pollution through the enrichment of the food chain. Finally enter the human body, thereby causing harm to human health, so it is particularly important to treat sewage containing heavy metal ions; existing methods for treating sewage containing heavy metal ions include traditional physical methods and chemical methods, as well as new biological methods Treatment method; for example, a sewage treatment device for heavy metal ions is provided in the application number 201610132690.5; the abstract is: the present in...

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Problems solved by technology

[0003] However, the application number is 201610132690.5 which provides a sewage treatment device for heavy metal ions. In the heavy metal ions, it is easy to stick to the inner side wall of the sewage evaporation tank, which affects the heat exchange efficiency of the sewage evaporation tank. At the same time, the evaporated heavy metal waste It is not convenient for storage and treatment, and the cleaning and maintenance are not flexible enough. At the same time, the kinetic energy generated by the evaporation of sewage is not well utilized, and waste debris is easy to enter the sewage cooling tank, which affects the treatment efficiency of heavy metal ions. The utilization efficiency of heat energy is low

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