Simulation device for dynamic real-time monitoring and analysis of heavy metal pollutant release from solid waste and application thereof

Abstract

The invention relates to a simulation device for dynamic real-time monitoring and analysis of heavy metal pollutant release from solid waste and an application thereof. The simulation device is suitable for dynamic real-time monitoring and online data analysis of heavy metal pollutant release from coal gangue under various working conditions, especially under temperature-pressure coupling conditions. A leaching device comprises a leaching state simulation unit, a pressure water supply and gas supply unit and a heavy metal pollutant online monitoring and data processing unit. The leaching statesimulation unit is provided with a water mist space, a sample filling space and a leachate collection space. The leaching state simulation unit also has a hot bath heating function. The pressure water supply and gas supply unit can provide spray liquid and gas of certain pressure for the leaching state simulation unit. The heavy metal pollutant online monitoring and data processing unit can realize real-time monitoring and online data processing of the heavy metal ion concentration in the coal gangue leachate. The device of the invention has the advantages of simple structure, convenient operation, high degree of automation and intelligence, and high accuracy of dynamic leaching simulation effect.

Description

technical field [0001] The invention belongs to the field of solid waste environmental pollution monitoring, in particular to a simulation device for dynamic real-time monitoring and analysis of the release of heavy metal pollutants in coal gangue, and also relates to the specific application of the simulation device. Background technique [0002] Coal gangue is a mixture of carbonaceous rock, argillaceous rock, sandy rock, siltstone and a small amount of limestone discharged during coal mining and coal preparation plant production. It is the waste discharged from the above two production processes. For every 100 million tons of coal produced, about 14 million tons of gangue are emitted, of which about 20 million tons of gangue are discharged after washing 100 million tons of coking coal, and 15 million tons of gangue are discharged after washing of 100 million tons of steam coal. The accumulative stockpile and annual discharge of coal gangue in my country is one of the large...

AI Technical Summary

Problems solved by technology

[0003] At present, the research on the environmental pollution potential of harmful elements in gangue is mainly realized through leaching and soaking experiments, but the leaching tests are all leaching tests, and the data monitoring and analysis are carried out separately. Extraction steps, and the manual operation process is prone to large errors and operational errors, resulting in generally poor accuracy and reliability of experimental results

Although at present, some scholars have proposed the idea

Images