CN-117427752-B - Vanadium titano-magnetite ball milling and tailing discarding treatment system and process

CN117427752BCN 117427752 BCN117427752 BCN 117427752BCN-117427752-B

Abstract

The invention discloses a vanadium titano-magnetite ball milling and tailing discarding treatment system and a process, and relates to the technical field of vanadium titano-magnetite screening. The invention mainly aims to solve the problem of lower grade of iron ore concentrate screened by using the existing vanadium titano-magnetite screening system and screening process, and provides the following technical scheme that the screening system comprises a feeding component, a first-stage ball milling component, a second-stage ball milling component and a total tail bin which are sequentially connected together, wherein the first-stage ball milling component, the first-stage return channel, the first-stage coarse magnetic separation and the total tail bin are sequentially connected with the first-stage ball milling component, the second-stage fine magnetic separation and the total tail bin, the second-stage ball milling component is connected with the second-stage return channel and the total tail bin, the second-stage coarse magnetic separation is connected with the second-stage coarse magnetic separation, the outlet end of the second-stage fine magnetic separation is respectively connected with the third-stage fine magnetic separation and the total tail bin, and the outlet end of the third-stage fine magnetic separation is respectively connected with the filter and the total tail bin. The vanadium titano-magnetite ball milling and tailing discarding system and the process achieve the aim of improving the yield and quality.

Inventors

YUAN SONGFENG
XU LIBO
Bi Maolin
ZHENG YIQUAN
LIU DONG
GUAN ZHONGLIN
YU YUN

Assignees

攀枝花钢城集团米易瑞地矿业有限公司

Dates

Publication Date: 20260505
Application Date: 20230926

Claims (2)

1. The vanadium titano-magnetite ball milling and tailing discarding treatment system is characterized by comprising a feeding component, a first-stage ball milling component, a second-stage ball milling component and a total tailing bin, wherein the outlet end of the feeding component is connected with the inlet end of the first-stage ball milling component, the outlet end of the first-stage ball milling component is respectively connected with the inlet end of a first reflux channel, the inlet end of a first-stage rough magnetic separation and the total tailing bin, the outlet end of the first-stage rough magnetic separation is connected with the inlet end of the first-stage ball milling component, the inlet end of the second-stage rough magnetic separation and the total tailing bin, the outlet end of the second-stage ball milling component is connected with the inlet end of the second reflux channel and the inlet end of the second-stage rough magnetic separation, the outlet end of the second-stage rough magnetic separation is respectively connected with the inlet end of a third-stage fine magnetic separation and the total tailing bin, and the outlet end of the third-stage fine magnetic separation is respectively connected with the inlet end of the main tailing bin; The first-stage ball milling assembly comprises a first-stage ball mill and a first hydrocyclone, the outlet end of the feeding assembly is connected with the inlet end of the first-stage ball mill, the outlet end of the first-stage ball mill is connected with the inlet end of the first hydrocyclone, and the outlet end of the first hydrocyclone is respectively connected with the first return channel and the inlet end of the first-stage coarse magnetic separation; the first-stage ball milling assembly further comprises a first magnetic separator, wherein the inlet end of the first magnetic separator is connected with the outlet end of the first-stage ball mill, and the outlet end of the first magnetic separator is connected with the inlet end of the first hydrocyclone; The second hydrocyclone is arranged between the first-stage coarse magnetic separation and the second-stage ball milling assembly and between the second-stage fine magnetic separation, the outlet end of the first-stage coarse magnetic separation is connected with the inlet end of the second hydrocyclone, and the outlet end of the second hydrocyclone is respectively connected with the inlet end of the second-stage ball milling assembly and the inlet end of the second-stage fine magnetic separation; A high-frequency fine screen is arranged between the second hydrocyclone and the second-stage refined magnetic separation, the outlet end of the second hydrocyclone is connected with the inlet end of the high-frequency fine screen, and the outlet end of the high-frequency fine screen is respectively connected with the inlet end of the second-stage ball milling assembly, the inlet end of the second-stage refined magnetic separation and the total tail bin; A dewatering magnetic separator is further arranged between the high-frequency fine screen and the two-stage ball milling assembly, the outlet end of the high-frequency fine screen is connected with the inlet end of the dewatering magnetic separator, and the outlet end of the dewatering magnetic separator is respectively connected with the inlet end of the two-stage ball milling assembly and the total tail bin; The second-stage ball milling assembly comprises a second-stage ball mill and a second magnetic separator, wherein the inlet end of the second-stage ball mill is connected with the outlet end of the first-stage coarse magnetic separator and the outlet end of the dewatering magnetic separator, the outlet end of the second-stage ball mill is connected with the inlet end of the second magnetic separator, and the outlet end of the second magnetic separator is connected with the inlet end of the second reflux channel.
2. The vanadium titano-magnetite ball milling and tailing discarding treatment process is characterized by adopting the vanadium titano-magnetite ball milling and tailing discarding treatment system as set forth in claim 1 for treatment, and comprising the following steps: S1, conveying a vanadium titano-magnetite crude product from a feed bin to a first-stage ball mill for ball milling through a feeding assembly, conveying the ball-milled product to a first magnetic separator for first magnetic separation, enabling the concentrate subjected to magnetic separation to enter a first hydrocyclone for hydraulic classification, enabling the tailings subjected to magnetic separation to be subjected to tail discarding treatment, enabling the concentrate subjected to hydraulic classification to enter a first-stage coarse magnetic separation, enabling the tailings subjected to hydraulic classification to enter a first reflux channel for returning to the first-stage ball mill, enabling the concentrate and the tailings subjected to first-stage coarse magnetic separation to be subjected to tail discarding, and enabling the concentrate subjected to first-stage coarse magnetic separation to enter a second hydrocyclone for hydraulic classification; s2, the coarse ore which enters the second hydrocyclone for hydraulic classification in the step S1 enters a second-stage ball mill, is subjected to primary fine magnetic separation by a second magnetic separator, enters a second return channel and returns to the second hydrocyclone for hydraulic classification; The concentrate after the hydraulic classification enters a second hydraulic cyclone for high-frequency fine screening, the oversize product after the high-frequency fine screening enters a dewatering magnetic separator, the coarse ore after magnetic separation enters a second-stage ball mill, tailings after magnetic separation are thrown off, the undersize product after the high-frequency fine screening enters a second-stage fine magnetic separation, tailings obtained by the second-stage fine magnetic separation are thrown off, and concentrate obtained by the second-stage fine magnetic separation enters a third-stage fine magnetic separation; S3, tailings obtained through three-stage fine magnetic separation in the step S2 are thrown, concentrate obtained through three-stage fine magnetic separation enters a filter, concentrate is recovered after being filtered by the filter, and backwater treatment is carried out.

Description

Vanadium titano-magnetite ball milling and tailing discarding treatment system and process Technical Field The invention relates to the technical field of vanadium titano-magnetite screening, in particular to a vanadium titano-magnetite ball milling and tailing discarding treatment system and a process. Background The ore type in Panxi area is vanadium titano-magnetite, the process mode for producing iron is magnetic separation, and the magnetic separator type is wet magnetic separator. The type of the ore used in daily production is low-grade vanadium titano-magnetite, and a production process of two-stage ball milling and three-stage magnetic separation is adopted, so that the production is difficult due to the lower grade of the ore, and the yield is limited partially. Therefore, on the basis of the prior art, the tail-throwing magnetic separators are respectively arranged on the two sections of ball milling to carry out tail-throwing treatment, and the magnetic separation tail-throwing of one section of ball milling can effectively remove products such as large-particle waste stones in the low-grade vanadium titano-magnetite, so that the treatment capacity of the mill is improved, and the current implementation effect is seen. In general, the addition of the ball milling tail-end treatment process plays a vital role in the aspects of yield and quality improvement. Disclosure of Invention The invention aims to provide a vanadium titano-magnetite ball milling and tailing discarding treatment system and a process, which are used for solving the problem of low grade of iron ore concentrate screened by using the existing vanadium titano-magnetite screening system and screening process. The technical scheme for solving the technical problems is as follows: The utility model provides a vanadium titano-magnetite ball-milling and tailing-throwing processing system, which comprises a feeding component, a ball-milling component, two sections ball-milling components and total tail storehouse, the entry end of a section ball-milling component is connected to the exit end of feeding component, the entry end of a section ball-milling component is connected respectively to the exit end of a section ball-milling component, the entry end of a section coarse magnetic separation and total tail storehouse, the entry end of a section ball-milling component is connected respectively to the exit end of a section coarse magnetic separation, the entry end of a section fine magnetic separation and total tail storehouse, the entry end of a section second backflow channel is connected to the exit end of a section ball-milling component and the entry end of a section fine magnetic separation are connected respectively to the exit end of a section fine magnetic separation, the entry end of a section fine magnetic separation filter and total tail storehouse are connected respectively to the exit end of a section fine magnetic separation, the exit end of a section fine magnetic separation is connected respectively to the entry end of a section fine magnetic separation and total tail storehouse. Further, the first-stage ball mill assembly comprises a first-stage ball mill and a first hydrocyclone, the outlet end of the feeding assembly is connected with the inlet end of the first-stage ball mill, the outlet end of the first-stage ball mill is connected with the inlet end of the first hydrocyclone, and the outlet end of the first hydrocyclone is respectively connected with the inlet ends of the first reflux channel and the first-stage coarse magnetic separation. Further, the first-stage ball milling assembly further comprises a first magnetic separator, wherein the inlet end of the first magnetic separator is connected with the outlet end of the first-stage ball milling assembly, and the outlet end of the first magnetic separator is connected with the inlet end of the first hydrocyclone. Further, a second hydrocyclone is further arranged between the first-stage coarse magnetic separation and the second-stage ball milling assembly and between the second-stage fine magnetic separation, the outlet end of the first-stage coarse magnetic separation is connected with the inlet end of the second hydrocyclone, and the outlet end of the second hydrocyclone is respectively connected with the inlet end of the second-stage ball milling assembly and the inlet end of the second-stage fine magnetic separation. Further, a high-frequency fine screen is arranged between the second hydrocyclone and the second-stage refined magnetic separation, the outlet end of the second hydrocyclone is connected with the inlet end of the high-frequency fine screen, and the outlet end of the high-frequency fine screen is respectively connected with the inlet end of the second-stage ball milling assembly, the inlet end of the second-stage refined magnetic separation and the total tail bin. Further, a dewatering magnetic separator is arranged between the high-frequency fine