CN211678034U

CN211678034U - Ball mill capable of preventing oil liquid pollution at feed end

Info

Publication number: CN211678034U
Application number: CN201922465102.1U
Authority: CN
Inventors: 蒋仁东; 杨雁鸣; 何逊; 王月萍
Original assignee: Pangang Group Mining Co Ltd
Current assignee: Pangang Group Mining Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-16
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a ball mill that grease proofing liquid of feed end pollutes belongs to the mineral processing equipment field. The device comprises a cylinder body (3) and an antifouling ring (5), wherein a groove is formed in the antifouling ring (5), the antifouling ring (5) is arranged at a feeding end (31) of the cylinder body (3), and the antifouling ring is detachably connected with the end face of the feeding end (31) of the cylinder body (3). The device does not change the structure of the original ball mill equipment, and only adds an antifouling ring (5). In particular to a circle of antifouling ring (5) arranged on the end surface of a feeding end (31) of a ball mill cylinder (3). Its principle is when having anti-exhaust ore pulp, and most ore pulp just rotates centrifugal force through barrel (3) and throws away in the recess of antifouling ring (5) lateral wall, even remaining a small amount of ore pulp will also be isolated through antifouling ring (5), solves and returns the gap infiltration between row's ore pulp through barrel (3) tip and static pressure bearing frame (2) and pollutes fluid in static pressure bearing frame (2), arouses equipment trouble.

Description

Ball mill capable of preventing oil liquid pollution at feed end

Technical Field

The utility model relates to a ball mill that grease proofing liquid of feed end pollutes belongs to the mineral processing equipment field.

Background

The ball mill structure for ore dressing mainly comprises a feeding pipe, a cylinder, a static pressure bearing seat and other main components, and realizes grinding of ores. And the two ends of the cylinder are respectively supported on the static pressure bearing seats, and the end part of the cylinder close to the feeding pipe is a feeding end, so that the cylinder of the ball mill is arranged on the static pressure bearing seats, and the hydraulic system provides pressure to form an oil film to isolate the two ends of the cylinder of the ball mill from the static pressure bearings, thereby realizing the stable operation of equipment. In order to prevent oil pollution, the sealing effect between the hollow main shaft of the ball mill and the static pressure bearing seat is realized through an O-shaped sealing ring.

However, in the production process of the ball mill, although the feeding end is provided with the feeding screw and the material baffle, when the expansion or the too large ore pulp amount occurs, the phenomenon that the ore pulp in the cylinder is reversely discharged from the gap between the feeding pipe and the feeding end still occurs, the discharged ore pulp is dispersed from the center to the periphery along with the end surface of the feeding end, and finally the discharged ore pulp permeates into the static pressure bearing seat through the gap between the feeding end and the static pressure bearing seat to pollute the oil liquid, so that equipment failure is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the back drainage ore pulp permeates the static pressure bearing frame through the gap between barrel feed end and the static pressure bearing frame and pollutes fluid, arouses equipment trouble.

The utility model provides a technical scheme that its technical problem adopted is: the ball mill comprises a cylinder body and an antifouling ring, wherein a groove is formed in the outer side wall of the antifouling ring, the antifouling ring is arranged at the feed end of the cylinder body, and the antifouling ring is detachably connected with the end face of the feed end of the cylinder body.

The section of the groove on the outer side wall of the antifouling ring in the device is of a U-shaped structure.

The height of the side wall of the groove at the connecting side of the antifouling ring and the end face of the feeding end of the cylinder in the device is larger than that of the side wall of the groove far away from the end face of the connecting part of the cylinder.

Further, in the device, the distance from the upper end face of the side wall of the groove on the connecting side of the antifouling ring and the feed end face of the barrel to the axis of the barrel is larger than the radius of the inner ring of the static pressure bearing seat, and the distance from the upper end face of the side wall of the groove far away from the connecting end face of the barrel body to the axis of the barrel is equal to the radius of the feed end of the barrel body.

The device also comprises a connecting screw rod, and the antifouling ring is connected with the feeding end of the cylinder body through the connecting screw rod.

The device also comprises a sealing gasket, wherein the sealing gasket is positioned between the antifouling ring and the end surface of the feeding end.

The utility model has the advantages that: the device does not change the structure of the original ball mill equipment, and only adds an antifouling ring. In particular to an antifouling ring arranged on the end surface of the feeding end of a ball mill cylinder. The principle is that when having anti-exhaust ore pulp, most ore pulp just throws away through the barrel rotation centrifugal force effect in the recess of antifouling ring lateral wall, even remaining a small amount of ore pulp will also be isolated through antifouling ring, avoids flowback ore pulp to permeate the hydrostatic bearing seat through the gap between barrel feed end and the hydrostatic bearing seat and pollutes fluid in, arouses equipment trouble.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of the feeding end of the barrel of the present invention;

FIG. 3 is a schematic view of the structure of the partial section of the screw rod connection of the antifouling ring at the feeding end of the cylinder body of the present invention;

fig. 4 is another schematic structural diagram of fig. 3 according to the present invention.

Reference numerals: 1 is a feeding pipe, 2 is a static pressure bearing seat, 3 is a cylinder, 31 is a feeding end, 4 is a sealing gasket, 5 is an antifouling ring, and 6 is a connecting screw rod.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 4, the utility model discloses a ball mill of grease proofing liquid pollution of feed end, including barrel 3 and antifouling ring 5, be provided with the recess on the antifouling ring 5 lateral wall, antifouling ring 5 sets up at the feed end 31 of barrel 3, and can dismantle with the feed end 31 terminal surface of barrel 3 and be connected. It will be understood by those skilled in the art that the anti-fouling ring 5 of the present apparatus is of annular configuration and is sized to fit the feed end 31 of the drum 3 with its axes collinear, such that the inner diameter of the anti-fouling ring 5 should be greater than or equal to the inner diameter of the feed end 31 of the drum 3 while avoiding interference with the feed pipe 1. The antifouling ring 5 can adopt the welding mode fixed with the 31 terminal surfaces of feed end of barrel 3, also can prefer antifouling ring 5 and adopt detachable connected mode to be connected fixedly with barrel 3, the later stage maintenance of being convenient for or change antifouling ring 5. And the lateral wall of antifouling ring 5 is provided with the recess for temporary storage returns and arranges the ore pulp, but the preferred recess sets up along antifouling ring 5 outer wall circumference, also is that the recess is the annular form too.

Preferably, the section of the groove on the outer side wall of the antifouling ring 5 in the device is in a U-shaped structure. It will be understood by those skilled in the art that the present device is only preferred that the groove on the outer side wall of the anti-fouling ring 5 has a U-shaped cross-section, and is used for indirectly storing the back-flowing slurry.

Preferably, in the above device, the height of the groove sidewall of the connection side of the antifouling ring 5 and the feed end 31 of the cylinder 3 is larger than that of the groove sidewall far away from the connection end of the cylinder 3. It can be understood by those skilled in the art that, in order to further prevent the back-flowing slurry from entering the contaminated oil along the gap between the feeding end 31 of the cylinder 3 and the static pressure bearing seat 2, the height of the groove sidewall at the connection side of the anti-fouling ring 5 and the feeding end 31 of the cylinder 3 is preferably greater than that of the groove sidewall far away from the connection end of the cylinder 3, that is, the height of the groove sidewall at the right side is greater than that of the groove sidewall at the left side in fig. 4.

Preferably, in the above device, the distance from the upper end surface of the side wall of the groove on the connecting side of the antifouling ring 5 and the end surface of the feed end 31 of the cylinder 3 to the axis of the cylinder 3 is greater than the radius of the inner ring of the hydrostatic bearing seat 2, and the distance from the upper end surface of the side wall of the groove far from the end surface of the connecting end of the cylinder body to the axis of the cylinder 3 is equal to the radius of the feed end 31 of the cylinder 3. It will be appreciated by those skilled in the art that in order to further prevent back-draining slurry from entering the contaminated oil along the gap between the feed end 31 of the cartridge 3 and the hydrostatic bearing housings 2, equipment downtime may result. In the device, the distance from the upper end surface of the side wall of the groove at the connecting side of the antifouling ring 5 and the end surface of the feeding end 31 of the cylinder 3 to the axis of the cylinder 3 is preferably larger than the radius of the inner ring of the static pressure bearing seat 2, and the distance from the upper end surface of the side wall of the groove far away from the end surface of the connecting end of the cylinder to the axis of the cylinder 3 is equal to the radius of the feeding end 31 of the cylinder 3.

Preferably, the device also comprises a connecting screw 6, and the antifouling ring 5 is connected with the feed end 31 of the cylinder 3 through the connecting screw 6. As can be understood by those skilled in the art, in order to facilitate the disassembly and assembly of the antifouling ring 5, the antifouling ring 5 is preferably connected with the feeding end 31 of the barrel 3 through a connecting screw 6.

Preferably, the device further comprises a sealing gasket 4, wherein the sealing gasket 4 is positioned between the antifouling ring 5 and the end surface of the feeding end 31. It will be understood by those skilled in the art that the present device further provides a sealing gasket 4 between the dirt-proof ring 5 and the end surface of the feed end 31 to seal the gap therebetween, and the sealing gasket 4 is preferably made of rubber.

Claims

1. The ball mill that the grease proofing liquid of feed end pollutes, including barrel (3), its characterized in that: still include antifouling ring (5), be provided with the recess on antifouling ring (5) lateral wall, antifouling ring (5) set up feed end (31) at barrel (3), and can dismantle with feed end (31) terminal surface of barrel (3) and be connected.

2. The ball mill with oil pollution prevention at the feed end according to claim 1, characterized in that: the section of the groove on the outer side wall of the antifouling ring (5) is of a U-shaped structure.

3. The ball mill with oil contamination prevention in the feed end according to claim 1 or 2, characterized in that: the height of the groove side wall of the end face connecting side of the antifouling ring (5) and the feeding end (31) of the cylinder body (3) is larger than that of the groove side wall far away from the end face of the connecting part of the cylinder body (3).

4. The ball mill with oil pollution prevention at the feed end according to claim 3, characterized in that: the distance between the upper end face of the groove side wall on the end face connecting side of the feeding end (31) of the barrel body (3) and the antifouling ring (5) and the axis of the barrel body (3) is larger than the radius of the inner ring of the static pressure bearing seat (2), and the distance between the upper end face of the side wall of the groove far away from the end face of the barrel body connecting end and the axis of the barrel body (3) is equal to the radius of the feeding end (31) of the barrel body (3).

5. The ball mill with oil pollution prevention at the feed end according to claim 1, characterized in that: the antifouling device is characterized by further comprising a connecting screw rod (6), and the antifouling ring (5) is connected with the feeding end (31) of the cylinder body (3) through the connecting screw rod (6).

6. The ball mill with oil pollution prevention at the feed end according to claim 1, characterized in that: the anti-fouling ring is characterized by further comprising a sealing gasket (4), wherein the sealing gasket (4) is located between the anti-fouling ring (5) and the end face of the feeding end (31).