An all-in-one machine for remediation of heavy metal contaminated soil

Abstract

The invention relates to an all-in-one machine for repairing heavy metal contaminated soil. The all-in-one machine comprises an outer wall of a machine body, a soil feeding opening, a soil crushing device, a soil screening device, a soil leaching device, a soil discharge sloping hopper and support legs, wherein the outer wall of the machine body is a hollow quadrangular body cast by molten iron; the side length of the lower part of the machine body is greater than that of an middle and upper part; the soil feeding opening is in an inverted quadrangular frustum pyramid form, is welded by four iron sheets, is located at the top part of the outer wall of the machine body, and is welded with the outer wall of the machine body into a whole; the soil crushing device comprises an active crushing idler wheel and a slave crushing idler wheel; the soil screening device is located on the lower part of the soil crushing device, and is composed of a screen frame, a screen and a soil holding tank; and the soil leaching device is located on the lower part of the soil screening device, and comprises a leaching soil feeding opening, an eluting agent adding opening, a rotary inner roller, an outer roller, a water inlet, a water outlet and a drainage baffle plate.

Description

technical field [0001] The invention relates to the technical field of remediation and treatment of polluted soil, in particular to an all-in-one machine for remediation of heavy metal polluted soil. Background technique [0002] Soil is an important part of the natural environment and the material basis for human survival. In recent years, various human activities have had an increasing impact on the soil environment, and soil heavy metal pollution has become increasingly serious. Soil heavy metal pollution comes from a wide range of sources, mainly from human production and living activities, including mining, smelting, metal processing, chemical industry, waste battery treatment, electronics, tanning and dyestuffs and other industrial wastes, vehicle exhaust emissions, pesticides and fertilizers. Wait. [0003] The remediation technologies for heavy metal-contaminated soil mainly include physical remediation methods, chemical leaching, phytoremediation, etc. Physical re...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is: in order to solve the problem of remediation of heavy metal-contaminated soil, the present invention provides an all-in-one machine for remediation of heavy metal-contaminated soil

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