阅读说明：本技术 高温磨球自动冷却装置及磨球生产装置 (High-temperature grinding ball automatic cooling device and grinding ball production device ) 是由 肖祖容 陈建利 贾永红 张春 王洪彬 于 2019-10-17 设计创作，主要内容包括：本发明公开了一种高温磨球自动冷却装置,包括滑槽和螺旋提升机,滑槽的一端连接磨球生产线的出口,另一端向下延伸且经洒水冷却池伸入浸泡冷却池,洒水冷却池上方设有用于向磨球洒水的洒水装置,浸泡冷却池内盛有冷却水,螺旋提升机底部浸入浸泡冷却池且其提升槽底端与滑槽底端相连；高温磨球在重力作用下沿滑槽向下滚动,先经过洒水冷却池利用洒水初步冷却,产生的大量水蒸气在上升过程中遇到洒水滴液化落入水池内,然后磨球滚入浸泡冷却池中利用冷却水进行二次冷却,随后由螺旋提升机将其提出浸泡冷却池,整个冷却作业自动完成,劳动强度低,安全性高,且水量损失小。本发明还公开了一种包括上述高温磨球自动冷却装置的磨球生产装置。(The invention discloses an automatic cooling device for high-temperature grinding balls, which comprises a sliding chute and a spiral elevator, wherein one end of the sliding chute is connected with an outlet of a grinding ball production line, the other end of the sliding chute extends downwards and extends into a soaking cooling pool through a sprinkling cooling pool, a sprinkling device for sprinkling water to the grinding balls is arranged above the sprinkling cooling pool, cooling water is filled in the soaking cooling pool, the bottom of the spiral elevator is soaked in the soaking cooling pool, and the bottom end of a lifting groove of the spiral elevator is connected with the bottom end of the sliding chute; high temperature ball rolls down along the spout under the action of gravity, utilizes the watering precooling through watering cooling tank earlier and cools off tentatively, and a large amount of vapor that produces meets the watering dropping liquefaction and falls into in the pond rising in-process, then the ball rolls and utilizes cooling water to carry out the secondary cooling in soaking cooling tank, is proposed it by screw elevator and soaks the cooling tank afterwards, and whole cooling operation is automatic to be accomplished, low in labor strength, and the security is high, and the water loss is little. The invention also discloses a grinding ball production device comprising the high-temperature grinding ball automatic cooling device.)

1. The utility model provides a high temperature ball automatic cooling device, its characterized in that, includes watering cooling bath (2), holds soaking cooling bath (3) of cooling water, is used for rolling spout (4) of ball and is used for promoting the ball after the cooling to screw elevator (5) of assigned position, the one end of spout (4) is used for connecting the export of ball production line (1), and other end downwardly extending just warp watering cooling bath (2) stretch into soaking cooling bath (3), watering cooling bath (2) top is equipped with watering device (6) that are used for watering to the ball, screw elevator (5) bottom is soaked soaking cooling bath (3) and its lifting bottom of the groove with spout (4) bottom links to each other.

2. A high-temperature automatic cooling device for grinding balls according to claim 1, characterized in that the sprinkling cooling pool (2) is located between the grinding ball production line (1) and the soaking cooling pool (3), and the sprinkling cooling pool (2) is higher than the soaking cooling.

3. The automatic cooling device for high-temperature grinding balls according to claim 2, characterized in that the bottom of the sprinkling cooling tank (2) is communicated with the top of the soaking cooling tank (3).

4. A high-temperature grinding ball automatic cooling device according to claim 1, characterized in that the chute (4) is a spiral chute.

5. A high-temperature grinding ball automatic cooling device according to claim 4, characterized in that the water spraying device (6) comprises a plurality of spray heads which are arranged at intervals along the extending direction of the chute (4).

6. A high-temperature grinding ball automatic cooling device according to any one of claims 1 to 5, characterized in that a cooling tower (8) is arranged above the water sprinkling cooling pool (2), and the water sprinkling device (6) is connected with the cooling tower (8) through a pipe.

7. The automatic cooling device for the high-temperature grinding balls according to claim 6, characterized in that the soaking and cooling tank (3) is connected with a cooling water circulator (7) through a pipe, and the cooling tower (8) is connected with a water outlet pipe of the cooling water circulator (7) through a water suction pump.

8. An apparatus for producing a grinding ball, comprising the high-temperature grinding ball automatic cooling apparatus according to any one of claims 1 to 7.

Technical Field

The invention relates to the technical field of mineral processing grinding ball production, in particular to an automatic cooling device for a high-temperature grinding ball. In addition, the invention also relates to a grinding ball production device comprising the high-temperature grinding ball automatic cooling device.

Background

In the field of mining industry, ore grinding is an important component of mineral separation operation, grinding balls are ball stones which are widely used as ore grinding media, during ore grinding, ores and the grinding balls are arranged in a barrel of a grinding machine, and the barrel drives the grinding balls to generate complex impact, grinding and shearing effects on the ores during rotation, so that the ores are finally ground.

At present, most of high-temperature grinding balls (about 950 ℃) produced by a grinding ball production line have two main cooling modes: one is manually carried to a special house to be stacked and sprayed with water for cooling, and the other is to immerse the high-temperature grinding balls into a water tank for cooling. These two approaches have mainly the following disadvantages: the labor intensity of manually carrying the high-temperature grinding balls is high, the working environment is severe, personal accidents are easily caused by the sliding of the grinding balls in the stacking and discharging processes, and cooling water is easily polluted, is not easy to recover and has large loss; in the second mode, the high-temperature grinding balls are immersed in the water tank to generate a large amount of water vapor instantly, personal accidents are easily caused, the water loss amount is large, the cooled grinding balls need to be fished out manually, and the automation degree is low.

Therefore, how to solve the problems of time and labor waste, large water loss, easy personal injury and the like in the high-temperature grinding ball cooling operation is a technical problem which needs to be solved by technical personnel in the field at present.

Disclosure of Invention

The invention aims to provide an automatic cooling device for a high-temperature grinding ball, which can realize automatic cooling operation of the high-temperature grinding ball, and has the advantages of low labor intensity, small water loss and high safety. Another object of the present invention is to provide a grinding ball producing apparatus including the above high temperature grinding ball automatic cooling apparatus.

In order to solve the technical problems, the invention provides an automatic cooling device for high-temperature grinding balls, which comprises a water spraying cooling tank, a soaking cooling tank filled with cooling water, a sliding chute used for rolling the grinding balls and a spiral elevator used for lifting the cooled grinding balls to a specified position, wherein one end of the sliding chute is used for connecting an outlet of a grinding ball production line, the other end of the sliding chute extends downwards and extends into the soaking cooling tank through the water spraying cooling tank, a water spraying device used for spraying water to the grinding balls is arranged above the water spraying cooling tank, the bottom of the spiral elevator is immersed into the soaking cooling tank, and the bottom end of the lifting groove of the spiral elevator is connected with the bottom end of the sliding chute.

Preferably, the water spraying cooling pool is positioned between the grinding ball production line and the soaking cooling pool, and the water spraying cooling pool is higher than the soaking cooling pool.

Preferably, the bottom of the sprinkling cooling pool is communicated with the top of the soaking cooling pool.

Preferably, the chute is a spiral chute.

Preferably, the sprinkler device comprises a plurality of spray heads, and the spray heads are arranged at intervals along the extending direction of the sliding chute.

Preferably, a cooling tower is arranged above the sprinkling cooling pool, and the sprinkling device is connected with the cooling tower through a pipe.

Preferably, the soaking cooling pool is connected with a cooling water circulator through a pipe, and the cooling tower is connected with a water outlet pipe of the cooling water circulator through a water suction pump.

The invention also provides a grinding ball production device which comprises the high-temperature grinding ball automatic cooling device.

The invention provides an automatic cooling device for high-temperature grinding balls, which comprises a sprinkling cooling pool, a soaking cooling pool filled with cooling water, a sliding chute used for rolling the grinding balls and a spiral elevator used for lifting the cooled grinding balls to a specified position, wherein one end of the sliding chute is used for connecting an outlet of a grinding ball production line, the other end of the sliding chute extends downwards and extends into the soaking cooling pool through the sprinkling cooling pool, a sprinkling device used for sprinkling water to the grinding balls is arranged above the sprinkling cooling pool, the bottom of the spiral elevator is immersed into the soaking cooling pool, and the bottom end of a lifting groove of the spiral elevator is connected with the bottom end of the sliding chute.

The high-temperature grinding balls discharged from the outlet of the grinding ball production line directly fall into the sliding groove, roll downwards along the sliding groove under the action of gravity, are primarily cooled by sprinkling water through the sprinkling water cooling pool, then roll into the soaking cooling pool to be secondarily cooled by cooling water, then roll into the lifting groove of the spiral elevator, and are lifted out of the soaking cooling pool by the spiral elevator and roll into a preset position through the outlet groove of the spiral elevator.

According to the automatic cooling device for the high-temperature grinding balls, when the high-temperature grinding balls are initially cooled by the water spraying cooling tank, a large amount of generated water vapor is liquefied and falls into the water tank when meeting water spraying drops in the rising process, the high-temperature grinding balls are initially cooled and then immersed in the soaking cooling tank, the generation of the water vapor can be reduced, the water loss can be reduced, the whole cooling operation can be automatically completed by the aid of the spiral elevator and the inclined sliding groove, and therefore labor intensity is low, and safety is high.

The grinding ball production device provided by the invention comprises the high-temperature grinding ball automatic cooling device, and the high-temperature grinding ball automatic cooling device has the technical effects, so that the grinding ball production device also has the same technical effects, and the detailed description is omitted.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of an automatic cooling device for high-temperature grinding balls according to the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of an automatic cooling device for high-temperature grinding balls according to the present invention;

fig. 3 is a top view of fig. 2.

The drawings are numbered as follows:

the grinding ball production line 1, the sprinkling cooling pool 2, the soaking cooling pool 3, the chute 4, the spiral elevator 5, the sprinkling device 6, the cooling water circulator 7 and the cooling tower 8.

Detailed Description

The core of the invention is to provide an automatic cooling device for high-temperature grinding balls, which can realize the automatic cooling operation of the high-temperature grinding balls and has low labor intensity, small water loss and high safety. The other core of the invention is to provide a grinding ball production device comprising the high-temperature grinding ball automatic cooling device.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of an embodiment of an automatic cooling device for high-temperature grinding balls according to the present invention; FIG. 2 is a schematic structural diagram of an embodiment of an automatic cooling device for high-temperature grinding balls according to the present invention; fig. 3 is a top view of fig. 2.

The high-temperature grinding ball automatic cooling device mainly comprises a sliding chute 4, a water spraying cooling pool 2, a soaking cooling pool 3 and a spiral elevator 5, wherein one end of the sliding chute 4 is used for being connected to an outlet of a grinding ball production line 1, the other end of the sliding chute 4 extends downwards and extends into the soaking cooling pool 3 through the water spraying cooling pool 2, a water spraying device 6 used for spraying water to the sliding chute 4 is arranged above the water spraying cooling pool 2, cooling water is filled in the soaking cooling pool 3, the bottom of the spiral elevator 5 is immersed in the soaking cooling pool 3, and the bottom end of a lifting groove of the spiral elevator 5 is connected with the bottom end of the sliding chute 4.

The high temperature ball that the export of warp ball production line 1 came out directly falls into spout 4 in to roll down along spout 4 under the action of gravity, earlier through watering cooling bath 2 utilization watering precooling, then roll into and utilize the cooling water to carry out the secondary cooling in soaking cooling bath 3, roll into the promotion groove of screw elevator 5 afterwards, by screw elevator 5 with it put forward soaking cooling bath 3 and roll into the position that has set up in advance through the export groove of screw elevator 5.

According to the automatic cooling device for the high-temperature grinding balls, when the high-temperature grinding balls are preliminarily cooled by the water spraying cooling tank 2, a large amount of generated water vapor is liquefied and falls into the water tank in the rising process, the high-temperature grinding balls are preliminarily cooled and then immersed in the soaking cooling tank 3, the generation of the water vapor can be reduced, the water loss can be reduced, the whole cooling operation can be automatically completed by the aid of the spiral elevator 5 and the inclined sliding groove 4, and therefore the automatic cooling device is low in labor intensity and high in safety.

On the basis of the above-mentioned specific embodiments, in order to make the grinding balls smoothly roll from the sprinkling cooling pool 2 to the soaking cooling pool 3 along the sliding chute 4, the high-temperature automatic grinding ball cooling device provided by the invention preferably arranges the sprinkling cooling pool 2 between the grinding ball production line 1 and the soaking cooling pool 3, and the sprinkling cooling pool 2 is higher than the soaking cooling pool 3.

Further, the bottom of the sprinkling cooling pool 2 can be communicated with the top of the soaking cooling pool 3, so that the water sprinkled by the sprinkling device 6 to the sprinkling cooling pool 2 can be converged into the soaking cooling pool 3, and the uniform recovery is convenient. For reduce cost, a water tank can be shared by the sprinkling cooling tank 2 and the soaking cooling tank 3, the lower part of the water tank is filled with cooling water, the sliding chute 4 is obliquely arranged in the water tank, the upper end of the sliding chute 4 is positioned in the air, the upper part of the sliding chute 4 is provided with the sprinkling device 6 which is equivalently positioned in the sprinkling cooling tank 2, and the lower end of the sliding chute 4 is immersed in the cooling water which is equivalently immersed in the soaking cooling tank 3.

Further, a water spray device 6 for spraying water into the soak cooling tank 3 may be provided above the soak cooling tank 3, and water vapor generated when the grinding balls are immersed in the soak cooling tank 3 can be liquefied by the water spray droplets and dropped into the water tank, thereby further reducing water loss.

Particularly, the chute 4 preferably adopts the spiral chute 4, extends downwards in a bending way, can be bent in a snake shape, and can prolong the rolling path of the grinding balls on the premise of not increasing the occupied space of the cooling pool, thereby achieving a better cooling effect.

It should be noted that the path of the chute 4, the dimensions of the sprinkling cooling tank 2 and the soaking cooling tank 3 are not particularly limited, and may be adjusted according to actual conditions. In actual production, the time of the whole cooling process of the high-temperature grinding ball is generally controlled to be about 1min, the residence time of the grinding ball in the soaking and cooling pool 3 is generally controlled to be about 30s, the surface temperature of the grinding ball is generally reduced to be below 100 ℃ after the grinding ball is soaked in water and cooled in the soaking and cooling pool 3, and no water vapor is generated.

Specifically, the sprinkler 6 may include a plurality of nozzles, and the plurality of nozzles may be disposed at intervals along the extending direction of the chute 4, for uniformly spraying water to the chute 4. The number and the arrangement mode of the spray heads are not particularly limited, and the spray heads can be adjusted according to actual conditions, for example, the spray heads can be uniformly distributed along the edge of the sprinkling cooling pool 2 to uniformly spray water into the sprinkling cooling pool 2, and the protection scope of the invention is also within the protection scope of the invention.

On the basis of the above embodiments, the automatic cooling device for high-temperature grinding balls provided by the invention can be provided with a cooling tower 8 above the sprinkling cooling pool 2, the sprinkling device 6 is connected with a water outlet pipe of the cooling tower 8, and the cooling tower 8 provides cooling water for the sprinkling device 6.

In order to realize circulation and recovery of cooling water, a cooling water circulator 7 can be arranged, the soaking cooling pool 3 is connected with the cooling water circulator 7 through a pipe, the cooling water in the soaking cooling pool 3 flows through the cooling water circulator 7, the cooling tower 8 can be connected with a water outlet pipe of the cooling water circulator 7 through a water suction pump, water is supplied to the cooling tower 8 through the cooling water circulator 7, and the cooling water is conveyed to the water spraying device 6 after being cooled by the cooling tower 8.

In practical production, the amount of circulating water can be generally determined by calculation according to the formula Q of 30 × M, where Q is the amount of cooling circulating water and is M³And M is the production capacity of the grinding balls and is expressed in t/h.

In addition to the above-mentioned automatic cooling device for high-temperature grinding balls, the present invention also provides a grinding ball production device including the above-mentioned automatic cooling device for high-temperature grinding balls, and the structure of other parts of the grinding ball production device is referred to the prior art, and will not be described herein again.

It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and similar parts between the embodiments may be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant part can be referred to the method part for description.

The automatic cooling device for high-temperature grinding balls and the grinding ball production device provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.