CN101738089A - Device for controlling batch layer thickness of sintering machine based on radar detection technique - Google Patents

Device for controlling batch layer thickness of sintering machine based on radar detection technique Download PDF

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Publication number
CN101738089A
CN101738089A CN201010010052A CN201010010052A CN101738089A CN 101738089 A CN101738089 A CN 101738089A CN 201010010052 A CN201010010052 A CN 201010010052A CN 201010010052 A CN201010010052 A CN 201010010052A CN 101738089 A CN101738089 A CN 101738089A
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China
Prior art keywords
thickness
group
sintering machine
displacement transducer
controller
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Pending
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CN201010010052A
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Chinese (zh)
Inventor
张巍
寿宏飚
徐健
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Northern Engineering and Technology Corp MCC
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Northern Engineering and Technology Corp MCC
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Priority to CN201010010052A priority Critical patent/CN101738089A/en
Publication of CN101738089A publication Critical patent/CN101738089A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a device for controlling the batch layer thickness of a sintering machine, in particular to a device for controlling the batch layer thickness of the sintering machine based on a radar detection technique. The device comprises a group of radar charge level indicators, a batch layer thickness transmitter, a batch layer thickness calculation controller, a speed regulation unit, a main feed gate displacement transmitter, a main feed gate controller, an auxiliary feed gate displacement transmitter group, an auxiliary feed gate controller, a speed transmitter, a variable frequency speed regulation controller, a round roller feeder speed sensor, a main feed gate displacement sensor, an auxiliary feed gate displacement sensor group, a human-computer interface and a control cabinet. The device solves the problem on how to well control the batch layer thickness of the sintering machine (a trolley), and solves the problems existing in controlling the batch layer thickness of the sintering machine. The invention provides the device for controlling the batch layer thickness of the sintering machine to improve the performance indexes of sinter ores, such as the cold state strength, the hot state strength, the yield, the quality, the ferrous oxide content, the reduction performance, the fuel consumption and the like.

Description

Device for controlling batch layer thickness of sintering machine based on radar detection technique
Technical field
The present invention relates to device for controlling batch layer thickness of sintering machine, particularly a kind of device for controlling batch layer thickness of sintering machine based on radar detection technique.
Background technology
Sintering plant is the important component part of integrated iron and steel works, be responsible for the preparation and the supply of the main iron-bearing material of iron-smelter, sintering plant is big to the treating capacity of material, accounts for second of integrated iron and steel works, therefore carries out the sintering plant design integrated iron and steel works are significant.And sintering machine (chassis) thickness of feed layer more has its important and practical meanings as the leading indicator of SINTERING PRODUCTION, and thickness of feed layer influences cold strength, hot strength, output, quality, ferrous oxide content, reducing property, Fuel Consumption of sintering deposit etc.
The big-and-middle-sized sintering machine design deep-bed sinterings that adopt more, the auto accumulation heat effect of deep-bed sintering can reduce firing rate, and the oxidizing atmosphere of sinter layer is strengthened, and the content of ferrous oxide reduces in the sintering deposit, and reproducibility improves.Simultaneously, it is the high-strength sintered ore deposit of main bonding phase that few refuelling can form again in a large number with the needle-like calcium ferrite, and sinter strength is improved.In addition, owing to be deep-bed sintering, be difficult to burned top layer sintering deposit quantity and reduce, yield rate improves.Therefore, based on iron ore concentrate, adopting the appropriate to the occasion 580mm that is equal to or greater than of pellet sintering method, is the main appropriate to the occasion 650mm that is equal to or greater than with the fine iron ore.
Fabric thickness is relevant with rotating speed, gate aperture and the sintering pallet speed of circle roller batcher on the sintering pallet.And sintering pallet speed is to determine according to the position of sintering end point, therefore will guarantee the sintering pallet thickness of feed layer, just must control the rotating speed and the gate aperture of circle roller batcher.
In sum, how controlling sintering machine (chassis) thickness of feed layer well is that each sintering plant all needs the problem that solves.
Summary of the invention
The objective of the invention is to overcome the problem that exists in the top described batch layer thickness of sintering machine control, provide a kind of device for controlling batch layer thickness of sintering machine, performance indications such as the cold strength of raising sintering deposit, hot strength, output, quality, ferrous oxide content, reducing property, Fuel Consumption based on radar detection technique.
The objective of the invention is to realize by following technical proposals.
Device for controlling batch layer thickness of sintering machine based on radar detection technique of the present invention, it is characterized in that comprising one group of radar level gauge, the thickness of feed layer transmitter group that is connected of radar level gauge group therewith, the thickness of feed layer computing controller that is connected of thickness of feed layer degree transmitter group therewith, the speed regulation unit that is connected of thickness of feed layer computing controller therewith respectively, main gate displacement transducer, main gate controller, auxiliary gate displacement transducer group, auxiliary gate controller, the speed transmitter that is connected of speed regulation unit therewith respectively, the variable frequency regulating speed control device, the round roller batcher velocity sensor that is connected of speed transmitter therewith, this variable frequency regulating speed control device is connected with the drive motors of circle roller batcher, the main gate displacement transducer that main therewith gate displacement transducer is connected, each auxiliary gate displacement transducer that auxiliary therewith gate displacement transducer group is connected, the man-machine interface that is connected with described thickness of feed layer computing controller, this main gate controller is connected with sintering machine master gate hydraulic system, this auxiliary gate controller is connected with auxiliary gate hydraulic system, described radar level gauge group is arranged on the top of sintering pallet feed end, main gate displacement transducer is arranged on the Electrohydraulic push rod of main gate, and auxiliary gate displacement transducer group is arranged on the Electrohydraulic push rod of each auxiliary gate.
Described thickness of feed layer transmitter group, thickness of feed layer computing controller, main gate displacement transducer, auxiliary gate displacement transducer group, man-machine interface are arranged in the switch board, and this switch board is arranged in scene or the switchgear house.
Batch layer thickness of sintering machine control comprises vertical control and laterally control.Vertically control is to control feeding coal by the rotating speed or the main shutter aperture of regulating round roller batcher, and to regulate thickness of feed layer, laterally control is to control horizontal blanking amount by the aperture of auxiliary gate, to satisfy the requirement of the horizontal uniform distribution of chassis.
Described radar level gauge group, thickness of feed layer transmitter group, thickness of feed layer computing controller, speed regulation unit, main gate displacement transducer, main gate controller, speed transmitter, variable frequency regulating speed control device, circle roller batcher velocity sensor, main gate displacement transducer, main gate hydraulic system constitute the vertical thickness of feed layer control system of sintering machine.
Described radar level gauge group, thickness of feed layer transmitter group, thickness of feed layer computing controller, auxiliary gate displacement transducer group, auxiliary gate controller, the auxiliary gate hydraulic system of auxiliary gate displacement transducer group constitute the horizontal thickness of feed layer control system of sintering machine.
Described thickness of feed layer computing controller is PLC, and this PLC is provided with the CPU module, respectively the digital quantity input module, digital quantity output module, analog quantity input module, analog output module, the communication module that are connected of CPU module therewith.
Described radar level gauge is VEGA, OPTECH or E+H radar level gauge.
Described PLC is the PLC of SIEMENS, SCHNEIDER or ROCKWELL brand.
Sintering machine of the present invention based on the operation principle of the device for controlling batch layer thickness of sintering machine of radar detection technique is: the rotating speed that is detected circle roller batcher by velocity sensor, determine circle roller batcher speed setting value by the sintering pallet speed setting value, send into after this tach signal is handled by the speed transmitter speed regulation unit therewith speed setting value make comparisons, speed regulation unit is sent speed control signal by calculating, and this control signal sends to the drive motors rotating speed that the variable frequency regulating speed control device removes to control round roller batcher; Set value to thickness of feed layer computing controller input thickness of feed layer by man-machine interface, detect sintering machine (chassis) thickness of feed layer by the radar level gauge group, this thickness signal expects that by expecting to send into after thick transmitter group is handled thick computing controller is handled the back again and the thickness of feed layer setting value is made comparisons, and expects that thick computing controller sets value by calculating main gate aperture setting value and each auxiliary gate aperture; Import circle roller batcher tach signal and speed setting value by speed regulation unit to the thickness of feed layer computing controller, this tach signal speed setting value is therewith made comparisons, and the thickness of feed layer computing controller is by calculating main gate aperture setting value correction value; The displacement that is detected main gate Electrohydraulic push rod by displacement transducer is a gatage, send into after this displacement signal is handled by displacement transducer and expect that thick computing controller and main gate aperture set value correction value and make comparisons, expect that thick computing controller sends the displacement control signal by calculating, this control signal sends to main gate controller and goes to control main gate regulation of hydraulic system gatage, finishes vertical thickness of feed layer control; The displacement that is detected each auxiliary gate Electrohydraulic push rod by the displacement transducer group is a gatage, sending into the thick computing controller of material after these a little displacement signals are handled by the displacement transducer group sets value with each auxiliary gate aperture and makes comparisons, expect that thick computing controller sends each displacement control signal by calculating, these a little control signals send to each auxiliary gate controller and go to control auxiliary gate regulation of hydraulic system gatage, finish horizontal thickness of feed layer control.
Man-machine interface: be used to realize the human-computer dialogue function, select touch-screen for use.Use graphics system display system state, operating system.
Sintering machine of the present invention has solved the problem of sintering machine (chassis) thickness of feed layer how controlled well based on the device for controlling batch layer thickness of sintering machine of radar detection technique, overcome the problem that exists in the batch layer thickness of sintering machine control, provide a kind of device for controlling batch layer thickness of sintering machine, performance indications such as the cold strength of raising sintering deposit, hot strength, output, quality, ferrous oxide content, reducing property, Fuel Consumption.
Description of drawings
Fig. 1 is a structured flowchart of the present invention.Alphabetical label among the figure is represented respectively; The SE-velocity sensor; ST-speed transmitter; VVVF-variable frequency regulating speed control device; M-circle roller batcher drive motors; XE1-master's gate displacement transducer; XT1-master's gate displacement transducer; ZC1-master's gate controller; XE2-assists gate displacement transducer group; XT2-assists gate displacement transducer group; ZC2-assists the gate controller; LE-radar level gauge group; LT-thickness of feed layer transmitter group; LIC-expects thick computing controller; The SIC-speed regulation unit; L-expects thick setting value; S-circle roller speed setting value.
The specific embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention.
As shown in Figure 1, sintering machine of the present invention is based on the device for controlling batch layer thickness of sintering machine of radar detection technique, it is characterized in that comprising one group of radar level gauge LE, the thickness of feed layer transmitter group LT that is connected of radar level gauge group LE therewith, the thickness of feed layer computing controller LIC that is connected of thickness of feed layer transmitter group LT therewith, the speed regulation unit SIC that is connected of thickness of feed layer computing controller LIC therewith respectively, main gate displacement transducer XT1, main gate controller ZC1, auxiliary gate displacement transducer group XT2, auxiliary gate controller ZC2, the speed transmitter ST that is connected of speed regulation unit SIC therewith respectively, variable frequency regulating speed control device VVVF, the round roller batcher velocity sensor SE that is connected of speed transmitter ST therewith, this variable frequency regulating speed control device VVVF is connected with the drive motors M of circle roller batcher, the main gate displacement transducer XE1 that main therewith gate displacement transducer XT1 is connected, the auxiliary gate displacement transducer group XE2 that auxiliary therewith gate displacement transducer group XT2 is connected, the man-machine interface that is connected with described thickness of feed layer computing controller, this main gate controller is connected with sintering machine master gate hydraulic system, this auxiliary gate controller is connected with auxiliary gate hydraulic system, described radar level gauge group LE is arranged on the top of sintering pallet feed end, main gate displacement transducer XE1 is arranged on the Electrohydraulic push rod of main gate, and auxiliary gate displacement transducer group XE2 is arranged on the Electrohydraulic push rod of each auxiliary gate.
Described thickness of feed layer transmitter group LT, thickness of feed layer computing controller LIC, main gate displacement transducer XT1, auxiliary gate displacement transducer group XT2, man-machine interface are arranged in the switch board, shown in the figure dotted line, this switch board is arranged in scene or the switchgear house.
Described radar level gauge group LE, thickness of feed layer transmitter group LT, thickness of feed layer computing controller LIC, speed regulation unit SIC, main gate displacement transducer XT1, main gate controller ZC1, speed transmitter ST, variable frequency regulating speed control device VVVF, circle roller batcher velocity sensor SE, main gate displacement transducer XE1, main gate hydraulic system constitute the vertical thickness of feed layer control system of sintering machine.
Described radar level gauge group LE, thickness of feed layer become send device group LT, thickness of feed layer computing controller LIC, auxiliary gate displacement transducer group XT2, auxiliary gate controller group ZC2, auxiliary gate displacement transducer group XE2, auxiliary gate controller group ZC2, auxiliary gate hydraulic system to constitute the horizontal thickness of feed layer control system of sintering machine.
Described thickness of feed layer computing controller LIC is PLC, and this PLC is provided with the CPU module, and the digital quantity input module that is connected of CPU module, digital quantity output module, analog quantity input module, modulus are intended output module, communication module therewith respectively.
Described radar level gauge LE is VEGA, OPTECH or E+H radar level gauge.
Described PLC is the PLC of SIEMENS, SCHNEIDER or ROCKWELL brand.
Sintering machine of the present invention based on the operation principle of the device for controlling batch layer thickness of sintering machine of radar detection technique is: the rotating speed that is detected circle roller batcher by velocity sensor, determine circle roller batcher speed setting value by the sintering pallet speed setting value, send into after this tach signal is handled by the speed transmitter speed regulation unit therewith speed setting value make comparisons, speed regulation unit is sent speed control signal by calculating, and this control signal sends to the drive motors rotating speed that the variable frequency regulating speed control device removes to control round roller batcher; Set value to thickness of feed layer computing controller input thickness of feed layer by man-machine interface, detect the sintering pallet thickness of feed layer by the radar level gauge group, this thickness signal expects that by expecting to send into after thick transmitter group is handled thick computing controller is handled the back again and the thickness of feed layer setting value is made comparisons, and expects that thick computing controller sets value by calculating main gate aperture setting value and each auxiliary gate aperture; Import circle roller batcher tach signal and speed setting value by speed regulation unit to the thickness of feed layer computing controller, this tach signal speed setting value is therewith made comparisons, and the thickness of feed layer computing controller is by calculating main gate aperture setting value correction value; The displacement that is detected main gate Electrohydraulic push rod by displacement transducer is a gatage, send into after this displacement signal is handled by displacement transducer and expect that thick computing controller and main gate aperture set value correction value and make comparisons, expect that thick computing controller sends the displacement control signal by calculating, this control signal sends to main gate controller and goes to control main gate regulation of hydraulic system gatage, finishes vertical thickness of feed layer control; The displacement that is detected each auxiliary gate Electrohydraulic push rod by the displacement transducer group is a gatage, sending into the thick computing controller of material after these a little displacement signals are handled by the displacement transducer group sets value with each auxiliary gate aperture and makes comparisons, expect that thick computing controller sends each displacement control signal by calculating, these a little control signals send to each auxiliary gate controller and go to control auxiliary gate regulation of hydraulic system gatage, finish horizontal thickness of feed layer control.
Sintering machine of the present invention has solved the problem of sintering pallet thickness of feed layer how controlled well based on the device for controlling batch layer thickness of sintering machine of radar detection technique, overcome the problem that exists in the batch layer thickness of sintering machine control, provide a kind of device for controlling batch layer thickness of sintering machine, performance indications such as the cold strength of raising sintering deposit, hot strength, output, quality, ferrous oxide content, reducing property, Fuel Consumption.

Claims (8)

1. device for controlling batch layer thickness of sintering machine based on radar detection technique, it is characterized in that comprising one group of radar level gauge, the thickness of feed layer transmitter group that is connected of radar level gauge group therewith, the thickness of feed layer computing controller that is connected of thickness of feed layer degree transmitter group therewith, the speed regulation unit that is connected of thickness of feed layer computing controller therewith respectively, main gate displacement transducer, main gate controller, auxiliary gate displacement transducer group, auxiliary gate controller, the speed transmitter that is connected of speed regulation unit therewith respectively, the variable frequency regulating speed control device, the round roller batcher velocity sensor that is connected of speed transmitter therewith, this variable frequency regulating speed control device is connected with the drive motors of circle roller batcher, the main gate displacement transducer that main therewith gate displacement transducer is connected, each auxiliary gate displacement transducer that auxiliary therewith gate displacement transducer group is connected, the man-machine interface that is connected with described thickness of feed layer computing controller, this main gate controller is connected with sintering machine master gate hydraulic system, this auxiliary gate controller is connected with auxiliary gate hydraulic system, described radar level gauge group is arranged on the top of sintering pallet feed end, main gate displacement transducer is arranged on the Electrohydraulic push rod of main gate, and auxiliary gate displacement transducer group is arranged on the Electrohydraulic push rod of each auxiliary gate.
2. the device for controlling batch layer thickness of sintering machine based on radar detection technique according to claim 1, it is characterized in that described thickness of feed layer transmitter group, thickness of feed layer computing controller, main gate displacement transducer, auxiliary gate displacement transducer group, man-machine interface are arranged in the switch board, this switch board is arranged in scene or the switchgear house.
3. the device for controlling batch layer thickness of sintering machine based on radar detection technique according to claim 1 is characterized in that described radar level gauge group, thickness of feed layer transmitter group, thickness of feed layer computing controller, speed regulation unit, main gate displacement transducer, main gate controller, speed transmitter, variable frequency regulating speed control device, circle roller batcher velocity sensor, main gate displacement transducer, main gate hydraulic system constitute the vertical thickness of feed layer control system of sintering machine.
4. the device for controlling batch layer thickness of sintering machine based on radar detection technique according to claim 1 is characterized in that described radar level gauge group, thickness of feed layer transmitter group, thickness of feed layer computing controller, auxiliary gate displacement transducer group, auxiliary gate controller, auxiliary gate displacement transducer group, auxiliary gate hydraulic system constitute the horizontal thickness of feed layer control system of sintering machine.
5. the device for controlling batch layer thickness of sintering machine based on radar detection technique according to claim 1, it is characterized in that described thickness of feed layer computing controller is PLC, this PLC is provided with the CPU module, respectively the digital quantity input module, digital quantity output module, analog quantity input module, analog output module, the communication module that are connected of CPU module therewith.
6. the device for controlling batch layer thickness of sintering machine based on radar detection technique according to claim 1 is characterized in that described radar level gauge is the radar level gauge of VEGA, OPTECH or E+H brand.
7. the device for controlling batch layer thickness of sintering machine based on radar detection technique according to claim 5 is characterized in that described PLC is the PLC of SIEMENS, SCHNEIDER or ROCKWELL brand.
8. according to the described device for controlling batch layer thickness of sintering machine based on radar detection technique of claim 54, the output signal that it is characterized in that described thickness of feed layer degree transmitter and displacement transducer is standard 4~20mA signal.
CN201010010052A 2010-01-08 2010-01-08 Device for controlling batch layer thickness of sintering machine based on radar detection technique Pending CN101738089A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102042810A (en) * 2010-11-26 2011-05-04 长沙有色冶金设计研究院 Laser thickness measuring device of down-draft sintering material layer
CN102706153A (en) * 2011-03-28 2012-10-03 宝山钢铁股份有限公司 Thick material layer sintering ore sintering distribution control method and distribution device thereof
JP2017057481A (en) * 2015-09-18 2017-03-23 Jfeスチール株式会社 Method for producing sintered ore
CN110500974A (en) * 2019-08-06 2019-11-26 天津大学 Based on the thickness of workpiece detection method for improving peak value identification
CN110657681A (en) * 2019-10-11 2020-01-07 湖南长天自控工程有限公司 Sintering machine material distribution control system and method
CN110657680A (en) * 2019-10-11 2020-01-07 湖南长天自控工程有限公司 Sintering machine material distribution control system and method
CN110686512A (en) * 2019-10-11 2020-01-14 湖南长天自控工程有限公司 Sintering machine material distribution control system and method
CN114739182A (en) * 2022-03-17 2022-07-12 北京首钢自动化信息技术有限公司 Method, device, equipment and medium for judging material blockage of sintering trolley distribution gate

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102042810A (en) * 2010-11-26 2011-05-04 长沙有色冶金设计研究院 Laser thickness measuring device of down-draft sintering material layer
CN102042810B (en) * 2010-11-26 2013-03-27 长沙有色冶金设计研究院有限公司 Laser thickness measuring device of down-draft sintering material layer
CN102706153A (en) * 2011-03-28 2012-10-03 宝山钢铁股份有限公司 Thick material layer sintering ore sintering distribution control method and distribution device thereof
CN102706153B (en) * 2011-03-28 2014-05-07 宝山钢铁股份有限公司 Thick material layer sintering ore sintering distribution control method and distribution device thereof
JP2017057481A (en) * 2015-09-18 2017-03-23 Jfeスチール株式会社 Method for producing sintered ore
CN110500974A (en) * 2019-08-06 2019-11-26 天津大学 Based on the thickness of workpiece detection method for improving peak value identification
CN110657681A (en) * 2019-10-11 2020-01-07 湖南长天自控工程有限公司 Sintering machine material distribution control system and method
CN110657680A (en) * 2019-10-11 2020-01-07 湖南长天自控工程有限公司 Sintering machine material distribution control system and method
CN110686512A (en) * 2019-10-11 2020-01-14 湖南长天自控工程有限公司 Sintering machine material distribution control system and method
CN114739182A (en) * 2022-03-17 2022-07-12 北京首钢自动化信息技术有限公司 Method, device, equipment and medium for judging material blockage of sintering trolley distribution gate

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Open date: 20100616