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Safe and green mining method of mineral resources

A mining method and technology for mineral resources, applied in surface mining, earthwork drilling, underground mining, etc., can solve problems such as hidden safety hazards and geological disasters, achieve excellent environmental performance, reduce consumption, and promote green development.

Inactive Publication Date: 2012-12-05
贵州绿水青山环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Even if the overall recovery rate of coal resources in developed countries is about twice that of our country, it cannot maximize the exploitation and utilization of underground mineral resources, and there are also potential safety hazards, which will also cause geological disasters

Method used

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  • Safe and green mining method of mineral resources

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Experimental program
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Effect test

Embodiment Construction

[0022] Embodiment 1 of the present invention. The method for safe and green mining of mineral resources includes the following steps:

[0023] a. Blend the fly ash into slurry, and then sieve the slurry with a particle size of 24-300 mesh, then magnetically separate the slurry to select the iron ore in the fly ash, and the fly ash after magnetic separation The slurry is flotation to select bauxite, zinc ore, copper ore, molybdenum ore, tin ore and other valuable mineral resources in the fly ash. The specific minerals are determined according to the mineral content of each place. Flotation The method adopts the existing flotation method to obtain fly ash tailings mainly composed of silicon and calcium; the main components of fly ash are oxides of silicon, aluminum, iron and a small amount of other metals. According to the different geological conditions of each producing area, The minerals contained in fly ash are also different. Through the existing flotation process, valuabl...

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Abstract

The invention discloses a safe and green mining method of mineral resources, and is characterized by comprising the following steps of: respectively grinding coal ash, slag and coal gangue and preparing slurry, sieving with a sieving granularity of 24-300 meshes after preparing the slurry, carrying out magnetic separation on the slurry, selecting iron ores, carrying out flotation on the slurry subjected to magnetic separation, selecting valuable minerals to obtain tailings, injecting the tailings into a discarded closed hole, condensing to obtain pouring stones, supporting geology of a gob, and mining remaining ores at the periphery of the gob. The invention relates to a novel safe and green mining technology, so that resources are greenly developed and utilized, and are perfectly matched with ecological restoration, thus the whole mineral resource can be fully developed and utilized in a safe environment, green development, cyclic development and low-carbon development are boosted, and the whole filling process is economically cheap, reliable in technology, and excellent in environmental property.

Description

technical field [0001] The invention relates to a safe and green mining method for mineral resources, belonging to the technical field of mineral mining. Background technique [0002] Due to the continuous development of the economy, the demand for mineral resources continues to increase, especially the demand for coal and metal mineral resources. The pressure of economic development often leads to the situation of predatory and disorderly mining of mineral resources, which further deteriorates The environment of the mining area has led to a serious waste of mineral resources and frequent occurrence of geological disasters. Although my country has promulgated many relevant laws and regulations in recent years, and the mineral recovery rate is gradually increasing, there is still a big gap compared with developed countries. Taking coal as an example, the overall recovery rate of coal resources in developed countries reaches 60% to 70%, while the recovery rate in my country i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21C41/22C04B38/02C04B28/14
Inventor 邹建明阮正林高宏刘钊赵高华魏长春苏向东
Owner 贵州绿水青山环保科技有限公司
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