Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A high-voltage electric pulse pretreatment method for strengthening chalcopyrite crushing and sorting

A high-voltage electric pulse, chalcopyrite technology, applied in the field of mineral processing, can solve the problem that useful minerals and gangue minerals cannot be effectively separated, and achieve the effects of reducing the ineffective electric crushing process, ensuring the discharge channel, and improving the processing efficiency.

Active Publication Date: 2021-05-11
NORTHEASTERN UNIV LIAONING
View PDF17 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditional ore crushing and grinding mainly rely on mechanical energy impact, shearing and grinding to break and erode the ore to achieve the purpose of dissociation of mineral monomers. The crushing mechanism determines that most ores are mainly transgranular crushing, making useful minerals and gangues Minerals cannot be effectively separated

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A high-voltage electric pulse pretreatment method for strengthening chalcopyrite crushing and sorting
  • A high-voltage electric pulse pretreatment method for strengthening chalcopyrite crushing and sorting
  • A high-voltage electric pulse pretreatment method for strengthening chalcopyrite crushing and sorting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] The chalcopyrite ore sample adopted is a high-magnesium copper ore in Jinchuan, and its main chemical composition is shown in Table 1 by mass percentage;

[0072] Table 1

[0073] element Cu Ni Fe MgO CaO SiO 2

al 2 o 3

content 0.33 0.23 10.99 29.11 3.26 36.16 2.28 element S Na 2 o

K 2 o

TiO 2

Cr Pt* Pd* content 2.37 0.39 0.29 0.32 0.22 <0.02

<0.03

[0074] Chemical phase analysis results are shown in Table 2 by mass percentage;

[0075] Table 2

[0076] form of copper Gallbladder free copper oxide bound copper oxide Sulfide and others sum content / % <0.01

<0.01

<0.01

0.32 0.33 Proportion / % 1.01 1.01 1.01 96.96 100

[0077] It can be seen from the table that copper and nickel in the ore are the main valuable elements, and the content of the harmful impurity gangue MgO is as high as 29.11%; the content of the associated benefic...

Embodiment 2

[0095] The chalcopyrite ore sample adopted is the raw ore provided by a certain copper mine in Yunnan, and the chemical composition is as shown in Table 4 by mass percentage;

[0096] Table 4

[0097] element Cu S SiO 2

Al 2 o 3

Fe2O3 MgO CaO content 1.43 0.59 82.98 2.12 8.23 1.34 1.23

[0098] Chemical phase analysis results are shown in Table 5 by mass percentage;

[0099] table 5

[0100] form of copper Sulfate free copper oxide bound copper oxide copper sulfide sum content / % 0.04 0.32 0.15 0.92 1.43 Proportion / % 2.80 10.49 22.38 64.34 100

[0101] It can be seen from the table that the ore sample contains 1.43% copper and 0.59% sulfur, and the recovery object is copper, of which the Au and Ag contents are small and have no recovery value; the occupancy rate of copper sulfide in this ore sample is 64.34%, and the oxidation rate is as high as 35.66%, of which the combined copper ox...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
oxidation rateaaaaaaaaaa
Login to View More

Abstract

A high-voltage electric pulse pretreatment method for strengthening chalcopyrite crushing and sorting, using a high-voltage electric pulse device, and the method is carried out in the following steps: (1) start the water pump to continuously enter the pulsating insulating cylinder, and collect water from the product (2) The chalcopyrite ore is conveyed to the pulse insulation cylinder through the feeding bin, piled up on the screen, and the top is in contact with the high-voltage electrode; (3) Turn on the power, and the high-voltage electrode and the high-voltage negative Discharge to break the chalcopyrite ore; (4) through the rotation of the eccentric wheel, the pulsating cone moves up and down periodically; the small particles of the chalcopyrite ore on the screen gradually move downward; (5) the broken brass Mine ore enters the product collector. The method of the invention can increase the useful mineral content of the crushed product, increase the dissociation degree of the monomer of the crushed product, and is beneficial to the reduction of energy consumption in the subsequent treatment process and saves the cost of the enterprise.

Description

technical field [0001] The invention belongs to the technical field of mineral processing, and in particular relates to a high-voltage electric pulse pretreatment method for strengthening chalcopyrite crushing and sorting. Background technique [0002] Copper integrates many excellent properties such as ductility, thermal conductivity, and electrical conductivity, making it the second most consumed metal among non-ferrous metal materials in my country. It is widely used in construction industry, electrical and electronic industry, national defense industry, and machinery manufacturing industry. and other fields; the global distribution of copper ore resources is uneven, mainly concentrated in the United States, Chile, Australia, Peru, Mexico, China and other countries; my country has proven reserves of copper ore resources of 95.538 million tons, accounting for about 4.35% of the world's reserves, Ranked sixth, copper production ranks second in the world, second only to Chile,...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B02C19/18B02C23/16
CPCB02C19/18B02C23/16B02C2019/183B02C2023/165
Inventor 高鹏袁帅韩力仁李艳军韩跃新
Owner NORTHEASTERN UNIV LIAONING
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com