CN210898825U

CN210898825U - Equipment for reducing running temperature of ball mill motor bearing bush

Info

Publication number: CN210898825U
Application number: CN201922463022.2U
Authority: CN
Inventors: 孙治伟; 王永伟; 张先志
Original assignee: Chinalco Mining Corp
Current assignee: Chinalco Mining Corp
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-30
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a device for reducing the running temperature of a ball mill motor bearing bush, which comprises an oil tank, an oil pump and a heat exchanger which are connected in sequence; an oil inlet of the oil tank is connected with an oil level window on a motor bearing seat of the ball mill through a pipeline, and an oil outlet end of the heat exchanger is connected with an air vent at the top of the motor bearing seat of the ball mill through a pipeline; the heat exchanger comprises a plurality of groups of radiating pipes which are sequentially connected in series, each radiating pipe comprises an inner pipe for introducing cooling liquid and an outer pipe sleeved outside the inner pipe, and an oil cavity for introducing lubricating oil is formed between the inner pipe and the outer pipe; the two ends of the inner pipe are provided with water pipe connectors, and the two ends of the oil cavity between the inner pipe and the outer pipe are provided with oil pipe connectors; the oil chamber is internally provided with a connecting part for connecting the inner pipe and the outer pipe, and the connecting part is provided with a plurality of through holes. The utility model discloses not only can reduce the temperature of synchronous machine axle bush effectively, guarantee equipment normal operating, the oil circuit transformation is simple moreover, and the transformation is with low costs, is convenient for implement the application.

Description

Equipment for reducing running temperature of ball mill motor bearing bush

Technical Field

The utility model relates to a ball mill equipment technical field, concretely relates to reduce ball mill motor axle bush operating temperature's equipment.

Background

The bearing bush of the existing ball mill synchronous motor adopts a sliding bearing, and the bearing comprises a bearing seat, a bottom bush, an upper bush, an oil ring and the like. When the equipment runs, the oil ring is in contact rotation with the shaft, so that lubricating oil in the bearing seat is brought up, an oil film is formed between the shaft and the bottom tile, and the bearing bush of the synchronous motor is cooled.

Because of the size limitation of a synchronous motor bearing bush support, about 15 liters of lubricating oil can be added into each bearing bush, and in summer or when the environmental temperature is high, the lubricating oil in the bearing bushes is difficult to dissipate heat, so that the temperature of the synchronous motor bearing bushes is high, and the operation of equipment is influenced. In severe cases, the tungsten layer of the bottom tile of the synchronous motor is damaged, and the tile needs to be cast again. Not only causes economic loss, but also prevents the equipment from running within two or three days, and influences the normal production of enterprises.

Therefore, the reduction of the temperature of the lubricating oil of the bearing bush of the synchronous motor is the key point for ensuring the running temperature of the bearing bush of the synchronous motor and the stable running of the synchronous motor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for reducing the running temperature of the bearing bush of the motor of the ball mill, which solves the defects of the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the equipment for reducing the running temperature of the motor bearing bush of the ball mill comprises an oil tank, an oil pump and a heat exchanger which are sequentially connected, wherein an oil inlet of the oil tank is connected with an oil level window on a motor bearing seat of the ball mill through a pipeline, and an oil outlet end of the heat exchanger is connected with an air vent at the top of the motor bearing seat of the ball mill through a pipeline; the heat exchanger comprises a plurality of groups of radiating pipes which are sequentially connected in series, each radiating pipe comprises an inner pipe for introducing cooling liquid and an outer pipe sleeved outside the inner pipe, and an oil cavity for introducing lubricating oil is formed between the inner pipe and the outer pipe; the two ends of the inner pipe are provided with water pipe connectors, and the two ends of the oil cavity between the inner pipe and the outer pipe are provided with oil pipe connectors; and a connecting part for connecting the inner pipe and the outer pipe is arranged in the oil cavity, and through holes distributed along the length direction of the radiating pipe are arranged on the connecting part.

Furthermore, the inner wall of the inner tube is provided with inner fins along the length direction of the radiating tube.

Furthermore, the outer wall of the outer pipe is provided with outer fins along the length direction of the heat dissipation pipe.

Furthermore, the radiating pipe is made of copper alloy materials.

Furthermore, a regulating valve is arranged on a pipeline between the vent hole and the heat exchanger.

Compared with the prior art, the utility model discloses not only can reduce the temperature of synchronous machine axle bush effectively, guarantee equipment normal operating, the oil circuit transformation is simple moreover, and the transformation is with low costs, is convenient for implement and uses.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall structure of the present invention;

fig. 2 is a front view of the heat pipe of the present invention;

FIG. 3 is a right side view of FIG. 2;

FIG. 4 is a cross-sectional view of the heat pipe of the present invention;

FIG. 5 is a partial cross-sectional view taken along A-A of FIG. 4;

fig. 6 is a schematic view of the connection of the heat pipe of the present invention.

The reference numerals are explained below:

in the figure: 1. a motor bearing seat; 11. an oil level window; 12. a vent hole; 2. a heat exchanger; 21. a radiating pipe; 211. an inner tube; 212. an outer tube; 213. a connecting portion; 214. an inner fin; 215. an outer fin; 216. an oil pipe connector; 217. a water pipe connector; 3. an oil pump; 4. an oil tank; 5. and adjusting the valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the utility model provides an apparatus for reducing the operation temperature of a ball mill motor bearing bush, which comprises an oil tank 4, an oil pump 3 and a heat exchanger 2 which are connected in sequence, wherein an oil inlet of the oil tank 4 is connected with an oil level window 11 on a ball mill motor bearing seat 1 through a pipeline, and an oil outlet end of the heat exchanger 2 is connected with an air vent 12 at the top of the ball mill motor bearing seat 1 through a pipeline; the heat exchanger 2 comprises three groups of radiating pipes 21 which are sequentially connected in series, the radiating pipes 21 comprise inner pipes 211 for introducing cooling liquid and outer pipes 212 sleeved outside the inner pipes 211, and oil cavities for introducing lubricating oil are formed between the inner pipes 211 and the outer pipes 212; both ends of the inner pipe 211 are provided with water pipe connecting ports 217, and both ends of an oil cavity between the inner pipe 211 and the outer pipe 212 are provided with oil pipe connecting ports 216; a connection part 213 for connecting the inner pipe 211 and the outer pipe 212 is provided in the oil chamber, and through holes 218 are provided in the connection part 213 along the length direction of the radiating pipe 21. In a traditional heat dissipation mode, because lubricating oil flows in a laminar flow mode in an oil pipe, the oil temperature at the center of the oil pipe is not obviously reduced, and therefore the heat dissipation and temperature reduction effects are affected. The utility model discloses in can fully conduct the heat of lubricating oil in the cavity to inner tube 211 and outer tube 212 through setting up connecting portion 213 to improve the radiating effect.

The utility model discloses in, the inner wall of inner tube 211 sets up along cooling tube 211 length direction's interior fin 214, and interior fin 214 can make the heat of lubricating oil and the cooling water in the inner tube 211 carry out abundant heat exchange. The outer wall of the outer pipe 212 is provided with outer fins 215 along the length direction of the radiating pipe 21, and the outer fins 215 can dissipate the heat of the lubricating oil to the outside air. The provision of the inner fins 214 and the outer fins 215 further enhances the heat dissipating capability of the heat dissipating pipe 21, greatly reducing the temperature of the lubricating oil. The heat dissipation pipe 21 may be made of aluminum alloy or copper alloy, and since the heat conductivity of copper is better than that of aluminum, the copper alloy is preferred, so that the heat dissipation pipe 21 has excellent heat dissipation capability. In order to facilitate the adjustment of the flow rate of the lubricating oil entering the vent hole 12, a regulating valve 5 is provided on the line between the vent hole 12 and the heat exchanger 21.

The utility model discloses in the implementation process, lubricating oil in the ball mill motor bearing frame 1 flows to oil tank 4 from oil level window 11, again through oil pump 3 with lubricating oil pump income heat exchanger 21, lubricating oil flows back again to ball mill motor bearing frame 1 in from air vent 12 at ball mill motor bearing frame 1 top after heat exchanger 21 cools down. In the process, the cooling liquid flows into the heat exchanger 21 from the position a, and flows out from the position b after heat exchange is realized. When in use, the number of the radiating pipes 21 connected in series with each other may be determined according to the length of the single radiating pipe 21, and only one radiating pipe 21 may be used when the single radiating pipe 21 is long enough. The utility model discloses in the heat of well lubricating oil can scatter and disappear to in air and the coolant liquid on every side to the realization reduces the temperature of motor axle bush. Through using the verification, the utility model discloses make motor bearing frame 1's tile temperature greatly reduced, the effect is showing, has guaranteed equipment steady operation.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The equipment for reducing the running temperature of the motor bearing bush of the ball mill comprises an oil tank, an oil pump and a heat exchanger which are sequentially connected, wherein an oil inlet of the oil tank is connected with an oil level window on a motor bearing seat of the ball mill through a pipeline, and an oil outlet end of the heat exchanger is connected with an air vent at the top of the motor bearing seat of the ball mill through a pipeline; the two ends of the inner pipe are provided with water pipe connectors, and the two ends of the oil cavity between the inner pipe and the outer pipe are provided with oil pipe connectors; and a connecting part for connecting the inner pipe and the outer pipe is arranged in the oil cavity, and through holes distributed along the length direction of the radiating pipe are arranged on the connecting part.

2. The apparatus for reducing the operating temperature of the ball mill motor bearing bush according to claim 1, is characterized in that: the inner wall of the inner tube is provided with inner fins along the length direction of the radiating tube.

3. The apparatus for reducing the operation temperature of the ball mill motor bearing bush according to claim 1 or 2, is characterized in that: and the outer wall of the outer pipe is provided with outer fins along the length direction of the heat dissipation pipe.

4. The apparatus for reducing the operating temperature of the ball mill motor bearing bush according to claim 3, is characterized in that: the radiating pipe is made of copper alloy materials.

5. The apparatus for reducing the operating temperature of the ball mill motor bearing bush according to claim 3, is characterized in that: and an adjusting valve is arranged on a pipeline between the vent hole and the heat exchanger.