CN-224208138-U - Barrel lining plate for semi-autogenous mill

CN224208138UCN 224208138 UCN224208138 UCN 224208138UCN-224208138-U

Abstract

A cylinder liner plate for a semi-autogenous mill belongs to the technical field of liner plate structures of semi-autogenous mills, and comprises a plurality of high liner plates and flat liner plates, wherein the high liner plates and the flat liner plates are arranged in the cylinder body at intervals along the circumferential direction to form a wave structure shape; the beneficial effects of the utility model are that: the structural design is reasonable, the metal consumption of the lining plate can be reduced, the metal utilization rate of the lining plate is effectively improved, and the actual lifting volume is increased; the method is applicable to working conditions of oversized steel balls, reduces the fracture risk of the cylinder liner plate, prolongs the service life of the liner plate, reduces the planned shutdown and the unplanned shutdown time of the mill, and improves the operation rate.

Inventors

LI ZHAODONG
YANG CHENLONG
QI HAOYU
Si Denghui
YANG PENGFEI
MENG ZHONGZHONG
JIN JUNJIE
DIAO XIAOGANG
WEI WEI
ZHANG LEILEI
YUE WEIGUO
GUO QINGFU
CHENG YANYAN
YANG YANFEI
YUE JIANGUO

Assignees

中信重工机械股份有限公司
中信重工洛阳重铸铁业有限责任公司

Dates

Publication Date: 20260508
Application Date: 20250526

Claims (5)

1. A cylinder liner plate for a semi-autogenous mill comprises a high liner plate (1) and a flat liner plate (8), and is characterized in that the number of the high liner plate (1) and the flat liner plate (8) is multiple, and the high liner plate (1) and the flat liner plate (8) are arranged in the cylinder at intervals along the circumferential direction to form a wave structure shape; The high lining board (1) comprises a bottom board A (3) and lifting strips A (2), wherein the bottom board A (3) is of a rectangular plate-shaped structure, the lifting strips A (2) protruding upwards are arranged on the upper surface of the bottom board A (3), and the joint of the bottom board A (3) and the lifting strips A (2) inclines to the center of the high lining board (1) by a certain angle; The flat lining plate (8) comprises a bottom plate B (10) and lifting strips B (9), the bottom plate B (10) is of a rectangular plate-shaped structure, the upper surface of the bottom plate B is provided with the circular-arc-shaped lifting strips B (9), and the joint of the bottom plate B (10) and the lifting strips B (9) inclines to the center of the flat lining plate (8) by a certain angle.
2. The barrel lining plate for the semi-autogenous mill is characterized in that the whole cross section of the lifting strip A (2) is of an isosceles triangle structure, the face angle of the lifting strip A (2) is set to be three-section face angle, the three-section face angle is formed by connecting three different angle face angles, the three-section face angle comprises an upper large-angle lifting angle (201), a middle transition angle (202) and a lower small-angle lifting angle (203), the top of the lifting strip A (2) is provided with a round angle, the round angle is in smooth transition connection with the upper part of the large-angle lifting angle (201), the transition angle (202) is in smooth transition connection with the large-angle lifting angle (201) and the small-angle lifting angle (203), the lower part of the small-angle lifting angle (203) is in smooth transition connection with the connecting part of the bottom plate A (3), the surface of the large-angle lifting angle (201) is provided with lifting lugs A (4) used for being matched with a manipulator to be installed, and inclined planes (204) towards the outer parts of two ends of the lifting strip A (2) are symmetrically arranged.
3. The cylinder liner plate for the semi-automatic grinding machine according to claim 1, wherein the connection parts of the two sides of the lifting bar B (9) and the bottom plate B (10) are in smooth transition connection, and lifting lugs B (14) for being matched with a manipulator to install are arranged on the upper surface of the lifting bar B (9).
4. The cylinder liner plate for the semi-automatic mill according to claim 1, wherein bolt holes A (5) are formed in the center line of the Gao Chenban (1) at intervals, the bolt holes A (5) penetrate through the lifting strip A (2) and the bottom plate A (3), the hole of the lifting strip A (2) of the bolt holes A (5) is a groove-shaped hole, and the hole of the bottom plate A (3) is a round hole; The central line of Ping Chenban (8) is provided with bolt holes B (11) at intervals, the bolt holes B (11) penetrate through the lifting bars B (9) and the bottom plate B (10), the holes in the lifting bars B (9) are slot-shaped openings, and the holes in the bottom surface of the bottom plate B (10) are round openings.
5. A barrel lining plate for a semi-automatic mill according to claim 4, wherein a groove A (6) for weight reduction is formed in the bottom surface of the bottom plate A (3), a bolt hole mounting table A (7) is arranged at a bottom surface hole opening of the bottom plate A (3) in the bolt hole A (5), a groove B (12) for weight reduction is formed in the bottom surface of the bottom plate B (10), and a bolt hole mounting table B (13) is arranged at a bottom surface hole opening of the bottom plate B (10) in the bolt hole B (11).

Description

Barrel lining plate for semi-autogenous mill Technical Field The utility model belongs to the technical field of liner plate structures of semi-autogenous mills, and particularly relates to a cylinder liner plate for a semi-autogenous mill. Background Grinding equipment such as a mill is used as a key link in mineral processing systems such as mining, transportation, crushing and the like, can be called as a consumer with large energy consumption, is one of the most important equipment in the field of mining, and is characterized in that grinding media are lifted to a certain height through rotation of a cylinder body and then thrown down so as to impact, grind and extrude materials in the cylinder body to crush the materials, a cylinder lining plate is used as an important part for protecting the cylinder body of the mill, and the main functions are that the mill is protected from being damaged by minerals and the grinding media, so that the fracture risk of the mill is reduced, the safety coefficient of the mill is improved, and the mill has a critical influence on the running stability of the mill and even on a mineral separation system; The long-term demand of mining machinery equipment is increasingly obvious along with the change of the global mining market, the situation of exacerbation of international market competition is faced, large-scale and ultra-large-scale mills with lower unit production cost are generated, along with the enlargement of the mills, on one hand, the feeding granularity of the semi-automatic mill is increased, meanwhile, the diameter of steel balls in the mill and the linear speed during throwing are continuously increased, the condition of using a barrel lining plate is continuously worsened, the impact on the barrel lining plate is continuously increased, the service life of the barrel lining plate is shortened, the fracture risk of the barrel is increased, shutdown accidents are caused when serious, the operation rate of the mill is not high, the normal production of the mill is disturbed, and great loss is caused to a using enterprise. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model aims to design a barrel lining plate for a semi-automatic mill, which is used for solving the problems that the service life of the barrel lining plate is shortened, the fracture risk of a barrel is increased, the shutdown accident is caused when serious, the operation rate of the mill is low and the normal production of the mill is disturbed in the background art. In order to achieve the purpose, the cylinder liner plate for the semi-autogenous mill comprises a plurality of high liner plates and flat liner plates, wherein the high liner plates and the flat liner plates are arranged in the cylinder body at intervals along the circumferential direction to form a wave structure shape; The high lining plate comprises a bottom plate A and lifting strips A, wherein the bottom plate A is of a rectangular plate-shaped structure, the lifting strips A protruding upwards are arranged on the upper surface of the bottom plate A, and the joint of the bottom plate A and the lifting strips A inclines to the center of the high lining plate by a certain angle; The flat lining plate comprises a bottom plate B and lifting bars B, the bottom plate B is of a rectangular plate-shaped structure, the upper surface of the bottom plate B is provided with the circular arc-shaped lifting bars B, and the joint of the bottom plate B and the lifting bars B inclines to the center of the flat lining plate by a certain angle. The cross section of lifting strip A wholly is isosceles triangle structure, lifting strip A's face angle establish to three sections change face angle, three sections change face angle is connected by three different angle face angles and is constituteed, including the wide-angle lifting angle on upper portion, be in the transition angle in middle part and the little angle lifting angle of lower part, lifting strip A's top is equipped with the fillet, fillet and wide-angle lifting angle upper portion cooperation slick and sly transitional coupling, the transition angle respectively with wide-angle lifting angle and little angle lifting angle slick and sly transitional coupling, the lower part of wide-angle lifting angle and bottom plate A link to each other department slick and sly transitional coupling, the surface of wide-angle lifting angle be equipped with the lug A that is used for cooperating the manipulator installation, lifting strip A's both ends symmetry be equipped with the inclined plane to barrel outside slope. The two sides of the lifting bar B are in smooth transition connection with the joint of the bottom plate B, and lifting lugs B used for being matched with the manipulator for installation are arranged on the upper surface of the lifting bar B. The middle line of the high lining plate is provided with bolt holes A at intervals, the bolt ho