CN212418151U - Automatic ball mill of business turn over material - Google Patents
Automatic ball mill of business turn over material Download PDFInfo
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- CN212418151U CN212418151U CN202020766277.6U CN202020766277U CN212418151U CN 212418151 U CN212418151 U CN 212418151U CN 202020766277 U CN202020766277 U CN 202020766277U CN 212418151 U CN212418151 U CN 212418151U
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Abstract
The utility model provides an automatic ball mill of business turn over material, includes feed arrangement, goes out thick liquid chute and controlling means, feed arrangement includes feed bin fill and weighing conveyer belt, and the drive shaft and the servo motor of weighing conveyer belt are connected. The bottom of the slurry outlet chute is communicated with a slurry proportion measuring device, and the slurry proportion measuring device comprises a measuring cup and a proportion measuring meter suspended in the slurry in the measuring cup. The specific gravity measuring meter comprises a measuring column suspended above ore pulp, a metal ring is arranged on the measuring column, and a displacement sensor used for sensing the up-and-down movement of the metal ring is arranged outside the metal ring. The utility model discloses an ore pulp proportion measuring device can respond to the change of ore pulp concentration in real time, has replaced artifical the measuring to provide the foundation for revising the feeding volume. The utility model discloses according to the proportion of ejection of compact ore pulp, constantly revise the feeding volume, realize the closed loop automatic control of feeding volume, improve the ore grinding efficiency of ball mill, reduced the energy resource consumption of ball mill, also reduced operator's intensity of labour.
Description
Technical Field
The utility model belongs to the technical field of the ball mill technique and specifically relates to an automatic ball mill of business turn over material is related to.
Background
Ore grinding is an important process and link in the field of selection and treatment industry, and has many factors influencing ore grinding, and the ore grinding efficiency can be influenced by the variability and the hysteresis of feeding, the technical level and the responsibility of personnel. The ball mill is a common ore grinding device, the ore material in the ball mill is blocked and stagnated due to too large feeding amount, and the ore grinding efficiency of the ball mill is reduced due to too small feeding amount. Because the water inflow and the pulp outflow are kept constant, the proportion or the concentration of discharged pulp is generally detected manually to judge whether the feeding amount is proper or not. The manual detection has human factors and hysteresis, can not reflect the change of the proportion of the discharged ore pulp in real time, and can not automatically make corresponding adjustment on the feeding quantity.
The ball mill is also a high-energy-consumption device in mineral separation operation, and the ore grinding efficiency directly influences the energy consumption of the ball mill. The automatic feeding and discharging of the ball mill is realized, the great effect is achieved on improving the quality and the treatment capacity of ore grinding and the ore dressing index, and the automatic feeding and discharging device has great practical significance for ore dressing enterprises.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough in the background art, the utility model discloses an automatic ball mill of business turn over material, its aim at: according to the specific gravity of the discharged ore pulp, the automatic control of the feeding amount is realized, the ore grinding efficiency of the ball mill is improved, and the energy consumption is reduced.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the ball mill capable of automatically feeding and discharging comprises a feeding device, a slurry discharging chute and a control device, wherein the feeding device comprises a feeding bin hopper and a weighing conveyor belt, the feeding bin hopper is arranged above the feeding end of the weighing conveyor belt, and the discharging end of the weighing conveyor belt is connected with a feeding hole of the ball mill; and a driving shaft of the weighing conveying belt is connected with a servo motor.
The bottom of the slurry outlet chute is communicated with an ore pulp specific gravity measuring device, and the ore pulp specific gravity measuring device comprises a measuring cup and a specific gravity measuring meter suspended in ore pulp in the measuring cup; a liquid inlet and an overflow port are arranged on the wall of the measuring cup, a liquid outlet is arranged at the bottom of the measuring cup, and an electromagnetic switch valve is arranged on the liquid outlet; the specific gravity measuring meter comprises a measuring column suspended above ore pulp, a metal ring is arranged on the measuring column, and a displacement sensor used for sensing the up-and-down movement of the metal ring is arranged outside the metal ring.
The control device is connected with the weighing conveyor belt, the servo motor, the electromagnetic switch valve and the displacement sensor.
In order to further improve the technical scheme, the ore pulp specific gravity measuring device is communicated with the bottom of the pulp outlet chute through a communicating pipe, an electromagnetic throttle valve is arranged on the communicating pipe, and the electromagnetic throttle valve is connected with a control device.
In order to further improve the technical scheme, the liquid inlet and the overflow port on the measuring cup are arranged at the same height.
In order to further improve the technical scheme, a discharging vibrator is arranged on the outer wall of the feeding hopper and is connected with a control device.
In order to further improve the technical scheme, the specific gravity measuring meter also comprises a heavy hammer and a measuring floating ball which are suspended in the ore pulp, wherein the heavy hammer is arranged at the lower end of the measuring floating ball, and the upper end of the measuring floating ball is connected with the measuring column.
In order to further improve the technical scheme, the inductive displacement sensor of the displacement sensor.
Owing to adopt above-mentioned technical scheme, compare the background art, the utility model discloses following beneficial effect has:
the utility model discloses an ore pulp proportion measuring device can respond to the change of ore pulp concentration in real time, has replaced artifical the measuring to provide the foundation for revising the feeding volume.
The utility model discloses according to the proportion of ejection of compact ore pulp, constantly revise the feeding volume, realize the closed loop automatic control of feeding volume, improve the ore grinding efficiency of ball mill, reduced the energy resource consumption of ball mill, also reduced operator's intensity of labour.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is a schematic structural diagram of a pulp specific gravity measuring device.
FIG. 3 is a schematic view showing the structure of a specific gravity meter.
In the figure: 1. a ball mill; 2. a feeding device; 21. a feed hopper; 22. a weighing conveyer belt; 23. a discharging vibrator; 24. a servo motor; 3. discharging the slurry from a slurry chute; 4. a pulp specific gravity measuring device; 41. a measuring cup; 411. a liquid inlet; 412. an overflow port; 413. a liquid discharge port; 414. an electromagnetic on-off valve; 42. a specific gravity meter; 421. a weight; 422. measuring a floating ball; 423. a measuring column; 424. a metal ring.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The utility model provides an automatic ball mill of business turn over material, as shown in figure 1, includes feedway 2, goes out thick liquid chute 3 and controlling means, feedway 2 includes feeding hopper 21 and weighing conveyer belt 22, and wherein, feeding hopper 21 sets up in the top of weighing conveyer belt 22 feed end, and weighing conveyer belt 22's discharge end is connected with the feed inlet of ball mill 1. The feed hopper 21 is filled with upstream ore and the weighing conveyer 22 is used to convey the ore in the feed hopper 21 into the feed port of the ball mill 1.
The weighing conveyor belt 22 is constructed as described in application No. CN201120443341.8, and can be used for weighing and measuring the conveyed materials. The drive shaft of the weighing conveyer belt 22 is connected with a servo motor 24, the servo motor 24 can realize variable speed transmission, and different rotating speeds enable the weighing conveyer belt 22 to have different conveying amounts in the same time. The discharging vibrator 23 is arranged on the outer wall in the feeding hopper 21, and the discharging amount of ore can be increased by the vibration of the discharging vibrator 23.
The ore pulp specific gravity measuring device 4 is arranged under the pulp outlet chute 3, and the ore pulp specific gravity measuring device 4 is communicated with the bottom of the pulp outlet chute 3 through a communicating pipe. An electromagnetic throttle valve is arranged on the communicating pipe and connected with a control device, and the electromagnetic throttle valve is used for controlling the flow of ore pulp in the communicating pipe.
As shown in fig. 2, the slurry specific gravity measuring device 4 includes a measuring cup 41 and a specific gravity meter 42 suspended in slurry in the measuring cup 41. The liquid inlet 411 and the overflow port 412 are provided on the wall of the measuring cup 41, and the liquid inlet 411 and the overflow port 412 are arranged at the same height. The slurry at the bottom of the slurry outlet chute 3 enters the measuring cup 41 through the communicating pipe, and the liquid level of the slurry in the measuring cup 41 is kept constant due to the equal height arrangement of the liquid inlet 411 and the overflow port 412. A liquid outlet 413 is arranged at the bottom of the measuring cup 41, and an electromagnetic switch valve 414 is arranged on the liquid outlet 413 and is used for discharging the ore pulp in the measuring cup 41 so as to continuously renew the ore pulp in the measuring cup 41.
As shown in fig. 3, the specific gravity measuring meter 42 further includes a weight 421 suspended in the slurry and a measuring floating ball 422, wherein the weight 421 is disposed at the lower end of the measuring floating ball 422, and the upper end of the measuring floating ball 422 is connected to the measuring column 423. The weight 421 and the measuring floating ball 422 suspend the specific gravity measuring meter 42 in the slurry, and the measuring column 423 is kept vertical. A metal ring 424 is disposed on the measuring column 423, and a displacement sensor 43 for sensing the up-and-down movement of the metal ring 424 is disposed outside the metal ring 424, in this embodiment, the displacement sensor 43 is an inductive displacement sensor. When the concentration of the ore pulp changes, the metal ring 424 moves up and down, so that the displacement sensor 43 senses the change of the voltage.
The control device is connected with the weighing conveyer belt 22, the discharging vibrator 23, the servo motor 24, the electromagnetic switch valve 414 and the displacement sensor 43.
The working principle is as follows:
when the feeding amount is too large, the concentration of the ore pulp in the measuring cup 41 is thickened, the specific gravity measuring meter 42 floats upwards, the metal ring 424 moves upwards, a voltage signal sensed by the displacement sensor 43 is increased, the voltage signal is transmitted to a single chip microcomputer in the control device through the signal amplifying circuit and the digital-to-analog conversion circuit, the single chip microcomputer calculates the feeding amount according to the voltage signal, and correspondingly reduces the rotating speed of the servo motor 24 according to the real-time weighing value of the weighing conveyer belt 22 so as to correct the feeding amount in real time.
When the feeding amount is too small, the concentration of the ore pulp in the measuring cup 41 becomes thin, the specific gravity measuring meter 42 sinks, the metal ring 424 moves downwards, the voltage signal sensed by the displacement sensor 43 is reduced, the voltage signal is transmitted to a single chip microcomputer in the control device through the signal amplifying circuit and the digital-to-analog conversion circuit, the single chip microcomputer calculates the feeding amount according to the voltage signal, and correspondingly increases the rotating speed of the servo motor 24 according to the real-time weighing value of the weighing conveyor belt 22 so as to correct the feeding amount in real time.
When the ore in the feeding hopper 21 is blocked and the feeding amount is influenced, the control device enables the discharging vibrator 23 to vibrate to increase the feeding amount of the ore.
After the control device finishes the correction of the feeding amount of the round, the electromagnetic switch valve 414 is opened, the ore pulp in the measuring cup 41 is emptied, the voltage signal induced by the displacement sensor 43 is shielded at the same time, and then the electromagnetic switch valve 414 is closed, so that the next round of cycle test can be performed.
The part of the utility model not detailed is prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic ball mill of business turn over material, includes feedway (2), goes out thick liquid chute (3) and controlling means, characterized by: the feeding device (2) comprises a feeding hopper (21) and a weighing conveyor belt (22), wherein the feeding hopper (21) is arranged above the feeding end of the weighing conveyor belt (22), and the discharging end of the weighing conveyor belt (22) is connected with the feeding hole of the ball mill (1); the driving shaft of the weighing conveyor belt (22) is connected with a servo motor (24);
the bottom of the pulp outlet chute (3) is communicated with a pulp specific gravity measuring device (4), and the pulp specific gravity measuring device (4) comprises a measuring cup (41) and a specific gravity measuring meter (42) suspended in the pulp in the measuring cup (41); a liquid inlet (411) and an overflow port (412) are arranged on the wall of the measuring cup (41), a liquid outlet (413) is arranged at the bottom of the measuring cup (41), and an electromagnetic switch valve (414) is arranged on the liquid outlet (413); the specific gravity meter (42) comprises a measuring column (423) suspended above the ore pulp, a metal ring (424) is arranged on the measuring column (423), and a displacement sensor (43) used for sensing the up-and-down movement of the metal ring (424) is arranged outside the metal ring (424);
the control device is connected with the weighing conveyor belt (22), the servo motor (24), the electromagnetic switch valve (414) and the displacement sensor (43).
2. An automatic charging and discharging ball mill according to claim 1, characterized in that: the ore pulp specific gravity measuring device (4) is communicated with the bottom of the ore pulp discharging chute (3) through a communicating pipe, an electromagnetic throttle valve is arranged on the communicating pipe, and the electromagnetic throttle valve is connected with the control device.
3. An automatic charging and discharging ball mill according to claim 1, characterized in that: the liquid inlet (411) and the overflow port (412) on the measuring cup (41) are arranged at the same height.
4. An automatic charging and discharging ball mill according to claim 1, characterized in that: and a discharging vibrator (23) is arranged on the outer wall of the feeding hopper (21), and the discharging vibrator (23) is connected with a control device.
5. An automatic charging and discharging ball mill according to claim 1, characterized in that: the specific gravity measuring meter (42) further comprises a heavy hammer (421) suspended in the ore pulp and a measuring floating ball (422), wherein the heavy hammer (421) is arranged at the lower end of the measuring floating ball (422), and the upper end of the measuring floating ball (422) is connected with the measuring column (423).
6. An automatic charging and discharging ball mill according to claim 1, characterized in that: an inductive displacement sensor of the displacement sensor (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766277.6U CN212418151U (en) | 2020-05-11 | 2020-05-11 | Automatic ball mill of business turn over material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020766277.6U CN212418151U (en) | 2020-05-11 | 2020-05-11 | Automatic ball mill of business turn over material |
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| Publication Number | Publication Date |
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| CN212418151U true CN212418151U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020766277.6U Active CN212418151U (en) | 2020-05-11 | 2020-05-11 | Automatic ball mill of business turn over material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797565A (en) * | 2022-04-26 | 2022-07-29 | 甘肃苏商科技有限公司 | Quartz raw material processing device for ultra-white glass |
-
2020
- 2020-05-11 CN CN202020766277.6U patent/CN212418151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797565A (en) * | 2022-04-26 | 2022-07-29 | 甘肃苏商科技有限公司 | Quartz raw material processing device for ultra-white glass |
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