CN-224208137-U - Feeding mechanism of acid-resistant ball milling system

CN224208137UCN 224208137 UCN224208137 UCN 224208137UCN-224208137-U

Abstract

The utility model relates to a feeding mechanism of an acid-resistant ball milling system, which comprises a sand setting feeding device, a belt feeding chute and a buffer feeding bin, wherein outlets of the sand setting feeding device and the belt feeding chute are communicated with the bin of the buffer feeding bin, outlets of the buffer feeding bin are communicated with a ball mill feeding port, rubber lining plates are arranged on inner walls of the sand setting feeding device and the buffer feeding bin, and the chute of the belt feeding chute is of a structure with a thick bottom and a thin side wall. According to the utility model, by modifying the sand setting feeding device and the belt feeding chute, stable and uniform acid material supply can be provided for the ball mill, meanwhile, by additionally arranging the buffer feeding bin, the feeding of the two feeding devices at the front end can be effectively buffered, the impact of the material directly fed into the feed inlet of the ball mill is reduced, and the service life of the feed inlet of the ball mill is prolonged.

Inventors

ZHANG XIAOFENG
CAI RENXING
ZHAO YAOFENG
LIU WEIJUN
LI SHAOCHENG
LIU LI
LIU YINGCHAO
XU RUI

Assignees

中色矿业香港控股有限公司
江西耐普矿机股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250526

Claims (8)

1. The feeding mechanism of the acid-resistant ball milling system is characterized by comprising a sand setting feeding device (1), a belt feeding chute (2) and a buffer feeding bin (3), wherein outlets of the sand setting feeding device (1) and the belt feeding chute (2) are communicated with the bin of the buffer feeding bin (3), an outlet of the buffer feeding bin (3) is communicated with a ball mill feeding hole (5), rubber lining plates are arranged on inner walls of the sand setting feeding device (1) and the buffer feeding bin (3), and the chute of the belt feeding chute (2) is of a structure with a thick bottom and a thin side wall.
2. The feeding mechanism of an acid-resistant ball milling system as claimed in claim 1, wherein the sand setting feeding device (1) comprises a feeding hopper (11), and a detachable sand setting box cover plate (12) is arranged at the top of the feeding hopper (11).
3. The feeding mechanism of the acid-resistant ball milling system as claimed in claim 2, wherein the sand setting box cover plate (12) is communicated with a feeding pipe (13), the side wall of the feeding hopper (11) is communicated with a discharging elbow pipe (14), the discharging elbow pipe (14) is communicated with the buffering feeding bin (3), and the inner walls of the feeding pipe (13) and the discharging elbow pipe (14) are lined with acid-resistant and wear-resistant rubber lining.
4. A feeding mechanism of an acid-resistant ball milling system according to any one of claims 1 to 3, wherein the belt feeding chute (2) consists of a hopper (21), an upper buffer box (22), a lower buffer box (23), a plurality of middle feeding chute (24) and a plurality of end feeding chute (25) which are sequentially connected, and the lower buffer box (23), the plurality of middle feeding chute (24) and the end feeding chute (25) are all in a structure with thick bottom walls and thin side walls.
5. The feeding mechanism of an acid-resistant ball milling system as claimed in claim 4, wherein a detachable chute cover plate (241) is provided on the top surface of each of said intermediate feeding chutes (24).
6. A feeding mechanism of an acid-resistant ball milling system as claimed in any one of claims 1 to 3 or 5, wherein the buffer feeding bin (3) comprises a bin (31), and a second rubber lining plate (33) at the bottom of the bin (31) is in a concave-convex shape.
7. The feeding mechanism of an acid-resistant ball milling system as claimed in claim 6, wherein the top of the bin (31) is provided with a detachable cover plate (311).
8. The feeding mechanism of an acid-resistant ball milling system as claimed in claim 6, wherein the side wall of the feed bin (31) is communicated with a feeding bent pipe (32), and the inner wall of the feeding bent pipe (32) is lined with an acid-resistant and wear-resistant rubber lining.

Description

Feeding mechanism of acid-resistant ball milling system Technical Field The utility model relates to the technical field of ball milling, in particular to a feeding mechanism of an acid-resistant ball milling system. Background Ball milling systems are widely used for pulverizing and grinding materials in the industries of mineral processing, building materials, chemical industry and the like. However, the conventional ball milling system has the problems of high energy consumption, rapid abrasion of a lining plate, poor acid resistance and the like in the operation process, and particularly the problems are more remarkable when the ore containing the acid medium is treated. However, along with the process optimization discovery, the extraction liquid can be added into the ball mill to enable the acid to play a role in the ball milling stage, so that the ore is fully contacted with the acid while being ground, and the pre-leaching is realized, thereby reducing the consumption of sulfuric acid in the subsequent stirring leaching process, and effectively reducing the consumption of new water entering a production system, so as to relieve the expansion problem of a tailing pond. Based on such process considerations, there is a need for ball milling systems that meet the acid corrosion and wear resistance requirements. However, the existing ball milling system of carbon steel materials cannot meet the requirement of an acidic environment (pH=1-2), and is easy to corrode in contact with acid. Accordingly, the present application is directed to a feed mechanism for an acid resistant ball milling system to enhance the acid and wear resistance of the apparatus. Disclosure of utility model The utility model provides a feeding mechanism of an acid-resistant ball milling system. The feeding mechanism of the acid-resistant ball milling system comprises a sand setting feeding device, a belt feeding chute and a buffer feeding bin, wherein outlets of the sand setting feeding device and the belt feeding chute are communicated with the bin of the buffer feeding bin, an outlet of the buffer feeding bin is communicated with a ball mill feeding port, rubber lining plates are arranged on inner walls of the sand setting feeding device and the buffer feeding bin, and the chute of the belt feeding chute is of a structure with a thick bottom and a thin side wall. Further, it is preferable that the sand setting feeding device includes a hopper, and a detachable sand setting box cover plate is provided at a top of the hopper. Further, preferably, the cover plate of the sand sinking box is communicated with a feed pipe, the side wall of the feed hopper is communicated with a discharge elbow, the discharge elbow is communicated with a buffer feed bin, and the inner walls of the feed pipe and the discharge elbow are lined with an acid-resistant and wear-resistant rubber lining. Further, preferably, the belt feeding chute comprises a hopper, an upper buffer box, a lower buffer box, a plurality of middle feeding chute and a plurality of tail end feeding chute which are connected in sequence, wherein the lower buffer box, the plurality of middle feeding chute and the plurality of tail end feeding chute are all of structures with thick bottom walls and thin side walls. Further, it is preferred that a removable chute cover plate is provided on the top surface of each of said intermediate feed chutes. Further, preferably, the buffering feeding bin comprises a bin, and the second rubber lining plate at the bottom of the bin is in a concave-convex shape. Further, preferably, a detachable cover plate is arranged at the top of the storage bin. Further, preferably, the side wall of the bin is communicated with a feeding bent pipe, and the inner wall of the feeding bent pipe is lined with an acid-resistant and wear-resistant rubber lining. The utility model has the beneficial effects that the corrosion of the acid medium can be effectively treated by comprehensively modifying the feeding mechanism, the ball mill and the cylindrical screen, the durability, the running stability and the maintenance convenience of the equipment in the acid medium environment are obviously improved, and an economic, efficient and stable ball milling system is provided for acid materials, and has the following specific beneficial effects: (1) The wear-resistant and corrosion-resistant performance of the equipment is enhanced by reasonably arranging an acid-resistant and wear-resistant rubber lining in a feeding mechanism, arranging a triple-seal acid-resistant and corrosion-resistant layer in a ball mill cylinder, integrally and compositely manufacturing a stainless steel framework and a corrosion-resistant rubber spraying layer at a ball mill feed and discharge port and a cylinder screen frame, arranging acid-resistant and wear-resistant rubber materials in a screen plate and a screen cover, and integrally enhancing the wear-resistant and corrosion-resistant performanc