CN205084859U - Ball -milling - closed circuit control system of swirler group - Google Patents
Ball -milling - closed circuit control system of swirler group Download PDFInfo
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- CN205084859U CN205084859U CN201520822125.2U CN201520822125U CN205084859U CN 205084859 U CN205084859 U CN 205084859U CN 201520822125 U CN201520822125 U CN 201520822125U CN 205084859 U CN205084859 U CN 205084859U
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Abstract
The utility model provides a ball -milling - closed circuit control system of swirler group, belongs to ore dressing plant control technical field. This system includes first -class gauge, first governing valve, second flowmeter, second governing valve, ampere meter, first pressure gauge, second pressure gauge, electric ear, level gauge, third pressure gauge, third flowmeter, concentration meter and controller. First -class gauge output, second flowmeter output, ampere meter output, first pressure gauge output, second pressure gauge output, electric ear output, level gauge output, third pressure gauge output, third flowmeter output, concentration meter output all link to each other with the controller input end, and first governing valve input, second governing valve input, reserve swirler motor -operated switch link to each other with the controller output end respectively. The utility model discloses do not need manual operation, the cost of using manpower sparingly, degree of automation is high, and each actuating variable adjustment is in time accurate, and the power swing of ball mill is little, and swirler group index is qualified, and production is stable.
Description
Technical field
The utility model belongs to control technology field, ore dressing plant, particularly a kind of ball milling-a cluster cyclone loop system.
Background technology
Current conventional grinding flowsheet mainly comprises Semi-Autogenous (autogenous grinding)-ball milling flow process, Semi-Autogenous (autogenous grinding)-ball milling-Ai Sha grinds (Vertical Mill) flow process, ball milling-Ai Sha grinds (Vertical Mill) flow process etc., and which kind of grinding flowsheet ball mill is all to use equipment mostly.In various grinding flowsheet, first section of grinding machine can be semi-autogenous mill (autogenous tumbling mill) or ball mill, and middle grinding attachment generally is ball mill, and back segment grinding attachment can be that ball mill also can for fine grinding equipment be as liked Sha's mill or vertical mill.Stage casing or back segment ball mill general and a cluster cyclone in industrial practice forms non-first section of ball milling-a cluster cyclone loop system, the main productive target of non-first section of ball milling-a cluster cyclone loop system ensures overflow granularity exactly, realizes the steady production of ball mill.Affect the many factors of non-first section of ball mill-a cluster cyclone loop system, even burn as ball mill power overload causes ball grinder motor to generate heat, ball grinding machine lining board serious wear does not obtain replacing in time and causes a cluster cyclone overflow to run slightly, a cluster cyclone fans the air to pump pond, ore deposit and causes a cluster cyclone to ore deposit pump cavitation, a cluster cyclone runs to pump pond, ore deposit and emits and cause loss of material, cyclone feed force or excessive concentration or too lowly cause a cluster cyclone overflow granularity defective.Current non-first section of ball mill-a cluster cyclone loop system mainly relies on operative employee according to personal experience's manual operation, control in time not accurate enough, and level of control difference is larger, cause production accident multiple, ball mill-a cluster cyclone loop system production efficiency is lower, and spiral device group overflow index is defective.
Utility model content
For the deficiencies in the prior art, the utility model proposes a kind of ball milling-a cluster cyclone loop system.This system comprises first-class gauge, the first control valve, second gauge, the second control valve, ammeter, the first pressure gauge, the second pressure gauge, electric ear, liquid level gauge, the 3rd pressure gauge, the 3rd flowmeter, densimeter and controller.First-class gauge and the first control valve are arranged on ore feeding end of ball mill and add on water pipe.Second gauge and the second control valve are arranged on ball mill ore discharging end wash tub pipe.Ammeter is arranged on ball mill.First pressure gauge and the second pressure gauge are arranged on below ball mill two sections of base bearings.Electric ear to be arranged in the middle part of ball mill barrel on the platform of both sides.Liquid level gauge is arranged on a cluster cyclone to above pump pond, ore deposit.3rd pressure gauge is arranged on a cluster cyclone to ore deposit end.3rd flowmeter and densimeter are arranged on a cluster cyclone on the pump discharge pipe of ore deposit.First-class gauge output, second gauge output, ammeter output, the first pressure gauge output, the second pressure gauge output, electric ear output, liquid level gauge output, the 3rd pressure gauge output, the 3rd flowmeter output, densimeter output are all connected with controller input, and the first control valve input, the second control valve input, cyclone motor switch for subsequent use are connected with controller output end respectively.
Beneficial effect:
1) the non-first section of ball milling-a cluster cyclone loop system of the one that the utility model proposes does not need manual operation, saves human cost.
2) automaticity of the present utility model is high, and in time accurately, the power swing of ball mill is little, a cluster cyclone qualified, administration measure in each performance variable adjustment.
Accompanying drawing explanation
Fig. 1 is a kind of ball milling-a cluster cyclone loop system structural representation of a kind of embodiment of the utility model, 1 is ball mill, 2 is that a cluster cyclone is to pump pond, ore deposit, 3 is that a cluster cyclone is to ore deposit pump, 4 is a cluster cyclone, 5 is first-class gauge, 6 is the first control valve, 7 is ball mill ore discharging end wash tub pipe, 8 is second gauge, 9 is the second control valve, 10 is ammeter, 11 is the first pressure gauge, 12 is electric ear, 13 is liquid level gauge, 14 is the 3rd pressure gauge, 15 is that a cluster cyclone is to ore deposit pump discharge pipe, 16 is the 3rd flowmeter, 17 is densimeter, 18 is controller, 19 is a cluster cyclone mineral-feeding pipe, 20 is cyclone electric switching valve for subsequent use, 21 add water pipe for ore feeding end of ball mill, 22 is the second pressure gauge.
Fig. 2 is the ball milling-a cluster cyclone closed loop control method flow chart of a kind of embodiment of the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model detailed description of the invention is elaborated.As shown in Figure 1, a kind of ball milling-a cluster cyclone loop system, its technical process is that ore pulp feeds ball mill 1 by material feeding end, ore milling product gravity flow feeds a cluster cyclone to pump pond, ore deposit 2, ore pulp feeds a cluster cyclone 4 via a cluster cyclone mineral-feeding pipe 19, a cluster cyclone to ore deposit pump 3, the gravity flow of a cluster cyclone 4 underflow returns to into ball mill 1, and a cluster cyclone overflow feeds hypomere operation.This system comprises first-class gauge 5, first control valve 6, second gauge 8, second control valve 9, ammeter 10, first pressure gauge 11, second pressure gauge 22, electric ear 12, liquid level gauge 13, the 3rd pressure gauge 14, the 3rd flowmeter 16, densimeter 17 and controller 18.First-class gauge 5 and the first control valve 6 are arranged on ore feeding end of ball mill and add on water pipe 21.Second gauge 8 and the second control valve 9 are arranged on ball mill ore discharging end wash tub pipe 7.Ammeter 10 is arranged on ball mill 1.First pressure gauge 11 and the second pressure gauge 22 are arranged on below ball mill 1 two sections of base bearings.Electric ear 12 to be arranged in the middle part of ball mill 1 cylindrical shell on the platform of both sides.Liquid level gauge 13 is arranged on a cluster cyclone to above pump pond, ore deposit 2.3rd pressure gauge 14 is arranged on a cluster cyclone 4 to ore deposit end.3rd flowmeter 16 and densimeter 17 are arranged on a cluster cyclone on ore deposit pump discharge pipe 15.First-class gauge 5 output, second gauge 8 output, ammeter 10 output, the first pressure gauge 11 output, the second pressure gauge 22 output, electric ear 12 output, liquid level gauge 13 output, the 3rd pressure gauge 14 output, the 3rd flowmeter 16 output, densimeter 17 output are all connected with controller 18 input, and the first control valve 6 input, the second control valve 9 input, cyclone motor switch 20 for subsequent use are connected with controller 18 output respectively.
A kind of ball milling-a cluster cyclone loop system, described controller comprises ball mill control system and a cluster cyclone control system; Ball mill control system comprises ball mill power control module, ball mill weight difference control module, grinding of ball grinder sound control module, and a cluster cyclone control system comprises a cluster cyclone to ore deposit pump pit level control module, a cluster cyclone overflow granularity control module.
The ball mill electric current that ball mill power control module detects in real time according to ammeter, electric current × voltage obtains the realtime power of ball mill, when realtime power is reported to the police higher than sending high power during ball mill installation power, and reduce the mine-supplying quantity of first section of ball mill, until high power alarm release.
The force value of ore feeding end of ball mill that first pressure gauge and the second pressure gauge detect by ball mill Weight control module in real time and the force value of mine-discharging terminal, be converted into the gravimetric value of ore feeding end of ball mill and the gravimetric value of mine-discharging terminal, when
time send high weight difference report to the police, and progressively increase ore feeding end of ball mill control valve opening until alarm release;
time send low weight difference alarming, and progressively increase ball mill ore discharging end control valve opening until alarm release.
The mill sound that grinding of ball grinder sound control module detects ball mill according to electric ear carries out mill sound control system, mill sound is the decibel value of ball mill sound under specific frequency of impact, the formula of specific frequency of impact is defined as: frequency=(mill speed × liner plate promotes number)/60, liner plate promotes the liner plate quantity that number is defined as single circumference on ball mill barrel side face.Send high mill sound to report to the police when ball mill mine-supplying quantity per hour is too low, and increase first section of bowl mill ore-feeding amount until high mill sound alarm release; Send low mill sound to report to the police when ball mill mine-supplying quantity per hour is too high, and reduce by first section of bowl mill ore-feeding amount until low mill sound alarm release; Send ultralow mill sound to report to the police when ball grinding machine lining board serious wear, and make stop of ball grinder, change liner plate.
When multiple warning appears in ball mill control system simultaneously, the warning in priority treatment power control module, secondly process is the warning in mill sound control module, finally processes the warning in Weight control module.
A cluster cyclone carries out Liquid level to a cluster cyclone detected in real time according to liquid level gauge in the pump pit level control module of ore deposit to the liquid level in pump pond, ore deposit, high liquid level warning is sent along during 20cm when a cluster cyclone to rise to ore deposit pump pit level on distance pump pond, and progressively increase to ore deposit pump frequency conversion electric machine frequency, until high liquid level warning is removed; Send low liquid level warning when a cluster cyclone drops to distance a cluster cyclone mineral-feeding pipe vertex distance 20cm to ore deposit pump pit level, and gradually reduce to ore deposit pump frequency conversion electric machine frequency, until low liquid level warning is removed.
A cluster cyclone overflow granularity control module comprises a cluster cyclone feed force control module and a cluster cyclone feed ore concentration control module.
The a cluster cyclone feed force value that a cluster cyclone feed force control module detects according to the 3rd pressure gauge carries out Stress control, when detecting that a cluster cyclone feed force value is reported to the police higher than sending high pressure during a cluster cyclone reference pressure value (being generally 0.08MPa-0.09MPa) more than 10%, and start cyclone electric switching valve for subsequent use one by one, until high pressure alarm release; When detecting that a cluster cyclone feed force value is reported to the police lower than sending low-pressure during a cluster cyclone reference pressure value less than 10%, and close work a cluster cyclone electric switching valve one by one, until low-pressure alarm release.
The a cluster cyclone feed ore concentration value that a cluster cyclone feed ore concentration control module detects according to densimeter carries out concentration control, when detecting that a cluster cyclone feed ore concentration value is reported to the police higher than sending high concentration during a cluster cyclone normal concentration value (being generally 35%-45%) more than 10%, and progressively increase ball mill ore discharging end control valve opening, until high concentration alarm release; When detect a cluster cyclone feed ore concentration value lower than a cluster cyclone normal concentration value less than 10% time send low concentration and report to the police, and progressively reduce ball mill ore discharging end control valve opening, until low concentration alarm release.
When there is multiple warning in a cluster cyclone control system simultaneously, priority treatment a cluster cyclone is to the warning in the pump pit level control module of ore deposit, secondly the warning in process a cluster cyclone feed force control module, finally processes the warning in a cluster cyclone feed ore concentration control module.
Ball milling-a cluster cyclone loop system carries out a method for ball milling-a cluster cyclone closed-loop control, comprises the following steps, as shown in Figure 2:
Step 1, ammeter detect the electric current of ball mill in real time, first pressure gauge and the second pressure gauge detect ore feeding end of ball mill force value and mine-discharging terminal force value in real time, electric ear detects the mill sound of ball mill in real time, liquid level gauge detects a cluster cyclone in real time to the liquid level in pump pond, ore deposit, 3rd pressure gauge detects a cluster cyclone feed force value in real time, and densimeter detects a cluster cyclone feed ore concentration value in real time;
Step 2, the force value of the force value of the mill sound of the current value of ball mill, ball mill, ore feeding end of ball mill, ball mill ore discharging end, a cluster cyclone are sent to controller to the liquid level in pump pond, ore deposit, a cluster cyclone feed force value, a cluster cyclone feed ore concentration value;
Step 3, controller carry out ball mill power control according to the current value of ball mill: when ball mill realtime power is reported to the police higher than sending high power during installation power, and reduce the mine-supplying quantity of first section of grinding machine, until high power alarm release;
Step 4, controller carry out grinding of ball grinder sound control system according to the mill sound of ball mill: send high mill sound when ball mill mine-supplying quantity per hour is too low and report to the police, and increase first section of bowl mill ore-feeding amount until high mill sound alarm release; Send low mill sound to report to the police when ball mill mine-supplying quantity per hour is too high, and reduce by first section of bowl mill ore-feeding amount until low mill sound alarm release; Send ultralow mill sound to report to the police when ball grinding machine lining board serious wear, and make stop of ball grinder, change liner plate;
Step 5, controller carry out the control of ball mill weight difference according to ore feeding end of ball mill force value and mine-discharging terminal force value: when
time send high weight difference report to the police, and progressively increase ore feeding end of ball mill control valve opening until alarm release;
time send low weight difference alarming, and progressively increase ball mill ore discharging end control valve opening until alarm release;
Step 6, controller carry out a cluster cyclone according to a cluster cyclone to the liquid level in pump pond, ore deposit and control to ore deposit pump pit level: send high liquid level warning when a cluster cyclone to rise to ore deposit pump pit level on distance pump pond along during 20cm, and progressively increase to ore deposit pump frequency conversion electric machine frequency, until high liquid level warning is removed; Send low liquid level warning when a cluster cyclone drops to distance a cluster cyclone mineral-feeding pipe vertex distance 20cm to ore deposit pump pit level, and gradually reduce to ore deposit pump frequency conversion electric machine frequency, until low liquid level warning is removed;
Step 7, controller carry out the control of a cluster cyclone feed force according to a cluster cyclone feed force value: when detecting that a cluster cyclone feed force value is reported to the police higher than sending high pressure during a cluster cyclone reference pressure value more than 10%, and start cyclone electric switching valve for subsequent use one by one, until high pressure alarm release; When detecting that a cluster cyclone feed force value is reported to the police lower than sending low-pressure during a cluster cyclone reference pressure value less than 10%, and close work a cluster cyclone electric switching valve one by one, until low-pressure alarm release;
Step 8, controller carry out the control of a cluster cyclone feed ore concentration according to a cluster cyclone feed ore concentration value: when detect a cluster cyclone feed ore concentration value higher than a cluster cyclone normal concentration value more than 10% time send high concentration report to the police, and progressively increase ball mill ore discharging end control valve opening, until high concentration alarm release; When detect a cluster cyclone feed ore concentration value lower than a cluster cyclone normal concentration value less than 10% time send low concentration and report to the police, and progressively reduce ball mill ore discharging end control valve opening, until low concentration alarm release;
Step 9, return step 1 and continue to detect in real time ball mill and a cluster cyclone.
Claims (1)
1. ball milling-a cluster cyclone loop system, is characterized in that: comprise first-class gauge, first control valve, second gauge, second control valve, ammeter, first pressure gauge, second pressure gauge, electric ear, liquid level gauge, 3rd pressure gauge, 3rd flowmeter, densimeter and controller, first-class gauge and the first control valve are arranged on ore feeding end of ball mill and add on water pipe, second gauge and the second control valve are arranged on ball mill ore discharging end wash tub pipe, ammeter is arranged on ball mill, first pressure gauge and the second pressure gauge are arranged on below ball mill two sections of base bearings, electric ear to be arranged in the middle part of ball mill barrel on the platform of both sides, liquid level gauge is arranged on a cluster cyclone to above pump pond, ore deposit, 3rd pressure gauge is arranged on a cluster cyclone to ore deposit end, 3rd flowmeter and densimeter are arranged on a cluster cyclone on the pump discharge pipe of ore deposit, first-class gauge output, second gauge output, ammeter output, first pressure gauge output, second pressure gauge output, electric ear output, liquid level gauge output, 3rd pressure gauge output, 3rd flowmeter output, densimeter output is all connected with controller input, the first control valve input, second control valve input, cyclone motor switch for subsequent use is connected with controller output end respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520822125.2U CN205084859U (en) | 2015-10-21 | 2015-10-21 | Ball -milling - closed circuit control system of swirler group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520822125.2U CN205084859U (en) | 2015-10-21 | 2015-10-21 | Ball -milling - closed circuit control system of swirler group |
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| CN205084859U true CN205084859U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520822125.2U Expired - Fee Related CN205084859U (en) | 2015-10-21 | 2015-10-21 | Ball -milling - closed circuit control system of swirler group |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195299A (en) * | 2015-10-21 | 2015-12-30 | 中冶北方（大连）工程技术有限公司 | Closed loop control system and closed loop control method for ball mill-cyclone group |
| CN111570072A (en) * | 2020-05-07 | 2020-08-25 | 浙大宁波理工学院 | Load control system and method of cement ball mill |
| CN111686928A (en) * | 2020-06-12 | 2020-09-22 | 鞍钢集团矿业有限公司 | Automatic control system and method for feeding pressure of cyclone |
-
2015
- 2015-10-21 CN CN201520822125.2U patent/CN205084859U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195299A (en) * | 2015-10-21 | 2015-12-30 | 中冶北方（大连）工程技术有限公司 | Closed loop control system and closed loop control method for ball mill-cyclone group |
| CN111570072A (en) * | 2020-05-07 | 2020-08-25 | 浙大宁波理工学院 | Load control system and method of cement ball mill |
| CN111570072B (en) * | 2020-05-07 | 2021-12-10 | 浙大宁波理工学院 | Load control system and method of cement ball mill |
| CN111686928A (en) * | 2020-06-12 | 2020-09-22 | 鞍钢集团矿业有限公司 | Automatic control system and method for feeding pressure of cyclone |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20201021 |