CN103105059B - Magnesium metal rotary kiln feed control device - Google Patents
Magnesium metal rotary kiln feed control device Download PDFInfo
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- CN103105059B CN103105059B CN201310063772.5A CN201310063772A CN103105059B CN 103105059 B CN103105059 B CN 103105059B CN 201310063772 A CN201310063772 A CN 201310063772A CN 103105059 B CN103105059 B CN 103105059B
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Abstract
The invention relates to a magnesium metal rotary kiln feed control device, and belongs to the field of magnesium metal rotary kiln automatic control. The magnesium metal rotary kiln feed control device comprises a feed control device central control room automatic control system and a feed control spot device. The feed control device central control room automatic control system includes an electrical cabinet, a screened control cable, an ethernet switch, an ethernet network and an industrial control computer, wherein the electrical cabinet is installed in a central control room, the industrial control computer is installed in a control console of the central control room, and the industrial control computer is connected with an AB programmable controller through the Ethernet switch and the Ethernet. The feed control spot device comprises a feed weighing sensor, a material bin radar material level meter and a numeric value coding analyzer. The magnesium metal rotary kiln feed control device has the advantages that automatic feeding according to actual requirements can be achieved, manual intervention in the control process is not required, control accuracy is high, control mode is simple and flexible, failure rate is low, labor intensity of workers is reduced, and the purposes of saving energy and reducing cost are achieved.
Description
Technical field
The invention belongs to magnesium metal rotary kiln automatic control technology field, a kind of magnesium metal rotary kiln feed control device is particularly provided, realize the real-time control of magnesium metal raw material.
Background technology
At present, in magnesium metal rotary kiln production process, the control of raw material material level is the on-the-spot operation of manually controlling bucket elevator according to level-sensing device signal.Its deficiency is that automaticity is low, and control accuracy is poor, the poor controllability of control procedure, and control procedure can not regulate material level in real time according to technological requirement, the high and inconvenient maintenance of fault rate.
Summary of the invention
The object of the present invention is to provide a kind of magnesium metal rotary kiln feed control device, the automaticity that has overcome existing fed technology is low, control accuracy is poor, poor controllability, can not regulate in real time material level according to technological requirement, the shortcomings such as the high and inconvenient maintenance of fault rate, realize the real-time control of magnesium metal raw material charging.
The present invention includes feed control device Central Control Room automatic control system, charging control field device two large divisions.
Feed control device Central Control Room automatic control system comprises: regulator cubicle, shielding control cables, Ethernet switch, Ethernet, industrial control computer; Regulator cubicle is arranged in Central Control Room, and industrial control computer is arranged in the console of central control room, is connected with AB Programmable Logic Controller in regulator cubicle by Ethernet switch and Ethernet;
Charging frequency converter and braking resistor thereof, air switch, AB Programmable Logic Controller and output input module thereof are housed in regulator cubicle; Output module control charging rate and start and stop on AB Programmable Logic Controller, operation by communication module through the total line traffic control charging of DP frequency converter, the input module on AB Programmable Logic Controller is controlled respectively charging LOAD CELLS, feed bin radar level gauge, digital value Coded Analysis instrument.As shown in Figure 1.
Charging control field device comprises: charging LOAD CELLS, feed bin radar level gauge, digital value Coded Analysis instrument; Charging LOAD CELLS is measured the actual inlet amount of feed bin at every turn, and feed bin radar level gauge is installed at feed bin inner top, measures Realtime Level in feed bin, and magnesium metal charging realizes automatically and controlling in Central Control Room on industrial control computer; Digital value Coded Analysis instrument is installed on Material feeding trolley, measures Material feeding trolley real time position and is shown in real time and controlled by the indoor industrial control computer of center-control.As shown in Figure 2.
Digital value Coded Analysis instrument of the present invention adopts the digital value Coded Analysis instrument of Profibus-DP agreement.
AB Programmable Logic Controller of the present invention adopts the CMX-1769 of AB company.
Charging frequency converter of the present invention adopts the PowerFlex700 Series Frequency Converter of AB company.
The invention has the advantages that, can realize automatic feed according to actual requirement, control procedure is high without manual intervention and control accuracy, control mode simple and flexible, and failure rate is low, has reduced labor strength and has reached again energy-saving and cost-reducing object.
Brief description of the drawings
Fig. 1 is control device structural representation.
Fig. 2 is charging control field device schematic diagram.
Detailed description of the invention
The present invention includes feed control device Central Control Room automatic control system, charging control field device two large divisions.
Charging frequency converter and braking resistor thereof, air switch, AB Programmable Logic Controller and output input module thereof are housed in regulator cubicle; Output module control charging rate and start and stop on AB Programmable Logic Controller, operation by communication module through the total line traffic control charging of DP frequency converter, the input module on AB Programmable Logic Controller is controlled respectively charging LOAD CELLS, feed bin radar level gauge, digital value Coded Analysis instrument.As shown in Figure 1.
Charging control field device comprises: charging LOAD CELLS, feed bin radar level gauge, digital value Coded Analysis instrument; Charging LOAD CELLS is measured the actual inlet amount of feed bin at every turn, and feed bin radar level gauge is installed at feed bin inner top, measures Realtime Level in feed bin, and magnesium metal charging realizes automatically and controlling in Central Control Room on industrial control computer; Digital value Coded Analysis instrument is installed on Material feeding trolley, measures Material feeding trolley real time position and is shown in real time and controlled by the indoor industrial control computer of center-control.As shown in Figure 2.
The IO module of DCS charging automatic control system of the present invention is connected by shielding control cables with digital value Coded Analysis instrument, charging LOAD CELLS, regulator cubicle, industrial control computer, and all running statuses of feed system are also concentrated and gathered and process by DCS system.
The working method of charging automaton is selected by establishing switch in regulator cubicle, operating personnel can show the actual material level of feed bin, truck motor operating current, truck practical operation situation, each inlet amount and charging total accumulation to control device according to selected working method or by regulator cubicle or by the intelligent human/computer interface of industrial control computer, and need to carry out various setting parameters and on off control according to technique.The material quantity of the feed system of charging automaton also can be adjusted to optimum state automatically by DCS system.Charging LOAD CELLS is used for detecting each inlet amount.Feed bin radar level gauge is arranged on feed bin top, for detection of the actual material level of feed bin, realizes charging and controls in real time.Digital value Coded Analysis instrument is used for measuring the real time position of Material feeding trolley.Refine manufacturing technique requirent according to magnesium metal, magnesium metal raw material controlling level and real-time material loading amount in feed bin are set on industrial control computer picture.Digital value Coded Analysis instrument real-time detecting material truck position, and control run location and the real-time speed of truck by PLC.The present invention can significantly reach energy-saving and cost-reducing and reduce the object of personnel's workload.
Claims (4)
1. a magnesium metal rotary kiln feed control device, comprises feed control device Central Control Room automatic control system, charging control field device; It is characterized in that,
Feed control device Central Control Room automatic control system comprises: regulator cubicle, shielding control cables, Ethernet switch, Ethernet, industrial control computer; Regulator cubicle is arranged in Central Control Room, and industrial control computer is arranged in the console of central control room, is connected with AB Programmable Logic Controller in regulator cubicle by Ethernet switch and Ethernet;
Charging frequency converter and braking resistor thereof, air switch, AB Programmable Logic Controller and output input module thereof are housed in regulator cubicle; Output module control charging rate and start and stop on AB Programmable Logic Controller, operation by communication module through the total line traffic control charging of DP frequency converter, the input module on AB Programmable Logic Controller is controlled respectively charging LOAD CELLS, feed bin radar level gauge, digital value Coded Analysis instrument;
Charging control field device comprises: charging LOAD CELLS, feed bin radar level gauge, digital value Coded Analysis instrument; Charging LOAD CELLS is measured the actual inlet amount of feed bin at every turn, and feed bin radar level gauge is installed at feed bin inner top, measures Realtime Level in feed bin, and magnesium metal charging realizes automatically and controlling in Central Control Room on industrial control computer; Digital value Coded Analysis instrument is installed on Material feeding trolley, measures Material feeding trolley real time position and is shown in real time and controlled by the indoor industrial control computer of center-control.
2. device according to claim 1, is characterized in that: described digital value Coded Analysis instrument adopts the digital value Coded Analysis instrument of Profibus-DP agreement.
3. device according to claim 1, is characterized in that: described AB Programmable Logic Controller adopts the CMX-1769 of AB company.
4. device according to claim 1, is characterized in that: described charging frequency converter adopts the PowerFlex700 Series Frequency Converter of AB company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310063772.5A CN103105059B (en) | 2013-02-28 | 2013-02-28 | Magnesium metal rotary kiln feed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310063772.5A CN103105059B (en) | 2013-02-28 | 2013-02-28 | Magnesium metal rotary kiln feed control device |
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| Publication Number | Publication Date |
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| CN103105059A CN103105059A (en) | 2013-05-15 |
| CN103105059B true CN103105059B (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310063772.5A Active CN103105059B (en) | 2013-02-28 | 2013-02-28 | Magnesium metal rotary kiln feed control device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104061790B (en) * | 2014-06-24 | 2015-10-07 | 无锡市崇安区科技创业服务中心 | The pre-firing that a kind of amount of sintering is constant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB871027A (en) * | 1956-10-03 | 1961-06-21 | Inst Waermetechnik Und Automat | Improvements in or relating to rotary tubular furnaces |
| US3469828A (en) * | 1967-10-30 | 1969-09-30 | Gen Electric | Method and apparatus for cement kiln control |
| CN101464093A (en) * | 2007-12-19 | 2009-06-24 | 贵阳铝镁设计研究院 | Temperature field detection method and device of calcination rotary kiln |
| CN102226643B (en) * | 2011-03-28 | 2013-07-31 | 宁夏惠冶镁业集团有限公司 | Rotary kiln automatic control system and method |
| CN102530580B (en) * | 2011-10-10 | 2013-12-11 | 中联重科股份有限公司 | System, method and device for controlling material transfer |
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