Cooling device of ball mill

Abstract

The utility model discloses a ball mill cooling device which comprises a ball mill, a frame is installed on a machine frame of the ball mill, a spraying pipe is installed on a cross beam at the top of the frame, a plurality of spraying heads are evenly installed on the spraying pipe in the length direction, a water supply pipe is communicated with the spraying pipe, and the water supply pipe is communicated with a water pump. The outer end of the water supply pipe is communicated with the drainage end of the water chilling unit; a water receiving tank is arranged under a roller of the ball mill; the water-cooled ball mill has the beneficial effects that cold water is uniformly sprayed on the outer circumferential surface of the roller of the ball mill through the spraying pipe, so that the ball mill can be continuously cooled by water during use, the service life of the ball mill is prolonged, the operation stability of the ball mill is ensured, and the potential safety hazard is eliminated.

Description

Technical fields:

[0001] This utility model belongs to the field of ball mills, and in particular relates to a ball mill cooling device. Background technology:

[0002] A ball mill is a key piece of equipment for further pulverizing materials after they have been crushed. This type of grinding mill uses a certain number of steel balls as grinding media inside its cylinder. The ball mill mainly consists of a horizontally placed drum, a feeding section, and a drive section. The drum is made of a long cylindrical steel tube, with liners fixed inside. The grinding media, steel balls, are placed inside the liners. During operation, material is fed into the cylinder through the feeding section. As the ball mill drum rotates, the steel balls, due to inertia, centrifugal force, and friction, adhere to the liner and are carried away by the cylinder. When the steel balls are carried to a certain height, they are thrown down due to their own gravity. The falling steel balls repeatedly crush the material inside the cylinder, thus achieving the pulverization and grinding of the material.

[0003] Taking mineral resource mining as an example, after the ore is mined, it needs to be further crushed and ground so that valuable substances can be extracted in subsequent processes. In actual operation, the steel balls in the drum will frequently collide and rub against each other while crushing the ore, which will generate a lot of heat energy. This will cause the drum to be at a high temperature during use. If it is not cooled down in time, it will not only reduce the service life of the ball mill, but also affect the operational stability of the ball mill, thus causing safety hazards. Utility Model Content:

[0004] The purpose of this utility model is to provide a ball mill cooling device, which overcomes the shortcomings of the prior art and effectively solves the existing problem of ball mills generating heat and being unable to cool down.

[0005] The present invention relates to a ball mill cooling device, comprising a ball mill, a frame mounted on the frame of the ball mill, a spray pipe mounted on the top crossbeam of the frame, a plurality of spray heads evenly mounted along the length of the spray pipe, a water supply pipe connected to the spray pipe, the outer end of the water supply pipe being connected to the drain end of a chiller unit, and a water receiving pool provided directly below the drum of the ball mill.

[0006] Furthermore, a circulating water pipe is connected to the water receiving pool, and the outer end of the circulating water pipe is connected to the water supply end of the chiller unit.

[0007] Furthermore, a water distribution plate is provided inside the water receiving pool, and support rods are installed on the bottom walls at both ends of the water distribution plate. The bottom ends of the support rods are fixedly connected to the inner bottom surface of the water receiving pool.

[0008] Furthermore, the top edge of the water distribution plate is directly opposite the bottom wall of the ball mill drum.

[0009] The beneficial effects of this utility model are as follows: cold water is evenly sprayed onto the outer circumference of the ball mill drum through the spray pipe, so that the ball mill can be continuously cooled by water during use. This not only extends the service life of the ball mill, but also ensures its operational stability and eliminates safety hazards. Attached image description:

[0010] Figure 1 This is the front view of the present invention;

[0011] Figure 2 This is the right view of the present invention;

[0012] Figure 3 for Figure 1 A partial cross-sectional view of section AA in the middle;

[0013] In the diagram, 1 is a ball mill, 2 is a frame, 3 is a spray pipe, 4 is a spray head, 5 is a water supply pipe, 6 is a chiller unit, 7 is a water receiving pool, 8 is a circulating water pipe, 9 is a water distribution plate, and 10 is a support rod. Detailed implementation method:

[0014] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings:

[0015] like Figures 1 to 3 As shown, a ball mill cooling device includes a ball mill 1, a frame 2 mounted on the frame of the ball mill 1, a spray pipe 3 mounted on the top crossbeam of the frame 2, a plurality of spray heads 4 evenly mounted along the length of the spray pipe 3, a water supply pipe 5 connected to the spray pipe 3, the outer end of the water supply pipe 5 connected to the drain end of the chiller unit 6, a water receiving pool 7 located directly below the drum of the ball mill 1, a circulating water pipe 8 connected to the water receiving pool 7, the outer end of the circulating water pipe 8 connected to the water supply end of the chiller unit 6, a water distribution plate 9 located inside the water receiving pool 7, support rods 10 mounted on the bottom walls at both ends of the water distribution plate 9, the bottom ends of the support rods 10 fixedly connected to the inner bottom surface of the water receiving pool 7, and the top edge of the water distribution plate 9 facing the bottom wall of the drum of the ball mill 1.

[0016] Specifically, cold water is evenly sprayed onto the outer circumference of the ball mill 1 drum through the spray pipe 3, so that the ball mill 1 can be continuously cooled by water during use.

[0017] In actual use, the chiller unit 6 delivers cooling water to the spray pipe 3 through the water supply pipe 5. At this time, several spray heads 4 evenly arranged spray the cooling water evenly on the outer surface of the ball mill 1 drum for water cooling. After heat exchange, the cooling water flows along the outer circumference of the ball mill 1 drum to the lowest point and then flows into the water receiving pool 7. Under the action of the water pump, the circulating water pipe 8 transports the temporarily stored cooling water in the water receiving pool 7 back to the chiller unit 6 for reuse, which not only avoids resource waste but also reduces cost investment.

[0018] As the cooling water temperature rises after heat exchange, it first flows onto the water distribution plate 9 after separating from the drum of the ball mill 1. The cooling water flows evenly to both sides of the water distribution plate 9, which prolongs the flow time of the cooling water, expands the flow area, and increases the contact area between the cooling water and the air. This further allows the temperature of the cooling water to decrease naturally, resulting in a lower return water temperature for the chiller unit 6 and thus reducing the energy consumption of the chiller unit 6. The cooling water on the water distribution plate 9 eventually flows into the water receiving pool 7 for temporary storage.

[0019] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A ball mill cooling device, comprising a ball mill (1), characterized in that: A frame (2) is installed on the frame of the ball mill (1). A spray pipe (3) is installed on the top crossbeam of the frame (2). Several spray heads (4) are evenly installed along the length of the spray pipe (3). A water supply pipe (5) is connected to the spray pipe (3). The outer end of the water supply pipe (5) is connected to the drain end of the chiller unit (6). A water receiving pool (7) is set directly below the drum of the ball mill (1).

2. The ball mill cooling device according to claim 1, characterized in that: A circulating water pipe (8) is connected to the water receiving pool (7), and the outer end of the circulating water pipe (8) is connected to the water supply end of the chiller unit (6).

3. The ball mill cooling device according to claim 1, characterized in that: A water distribution plate (9) is provided inside the water receiving pool (7). Support rods (10) are installed on the bottom walls at both ends of the water distribution plate (9). The bottom end of the support rod (10) is fixedly connected to the inner bottom surface of the water receiving pool (7).

4. A ball mill cooling device according to claim 3, characterized in that: The top edge of the water distribution plate (9) is directly opposite the bottom wall of the ball mill (1) drum.

Images