CN106705671A - Sintering machine material layer thickness control device based on radar detection technology - Google Patents
Sintering machine material layer thickness control device based on radar detection technology Download PDFInfo
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- CN106705671A CN106705671A CN201510773148.3A CN201510773148A CN106705671A CN 106705671 A CN106705671 A CN 106705671A CN 201510773148 A CN201510773148 A CN 201510773148A CN 106705671 A CN106705671 A CN 106705671A
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- sintering machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/0028—Devices for monitoring the level of the melt
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a sintering machine material layer thickness control device, in particular to a sintering machine material layer thickness control device based on a radar detection technology. The sintering machine material layer thickness control device comprises a set of radar level gauge, a material layer thickness transmitter, a material layer thickness calculating computer, a speed adjusting unit, a main feeding gate displacement transmitter, a main feeding gate controller, an auxiliary feeding gate displacement transmitter set, an auxiliary feeding gate controller, a speed transmitter, a frequency conversion speed adjusting controller, a round roller feeder speed sensor, a main feeding gate displacement sensor, an auxiliary feeding gate displacement sensor set, a human-computer interface and a control cabinet. The sintering machine material layer thickness control device solves the problem of how to well control the material layer thickness of a sintering machine (trolley) and solves the problem existing in control over the material layer thickness of the sintering machine, the sintering machine material layer thickness control device is provided, and performance indexes of the cold-state strength, the hot-state strength, the yield, the quality, the ferrous oxide content, the reducing property, the fuel consumption and the like of sintered ore are improved.
Description
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 of integrated iron and steel works, it is responsible for the preparation and supply of the main iron-bearing material of iron-smelter, sintering plant is big to the treating capacity of material, accounts for the second of integrated iron and steel works, therefore carries out sintering plant design integrated iron and steel works are significant.And sintering machine (chassis) thickness of feed layer more has its important practical significance, cold strength, hot strength, Yield and quality, ferrous oxide content, reducing property, Fuel Consumption of thickness of feed layer influence sintering deposit etc. as the leading indicator of SINTERING PRODUCTION.
The auto accumulation heat effect of deep-bed sintering, deep-bed sintering is used big-and-middle-sized design of sinter machine can reduce firing rate more, strengthen the oxidizing atmosphere of sinter layer, and the content reduction of ferrous oxide in sintering deposit, reproducibility improves.Meanwhile, few refuelling can largely form the high-strength sintered ore deposit with needle-like calcium ferrite as main binding phase again, sinter strength is improved.Further, since being deep-bed sintering, it is difficult to which burned top layer sintering deposit quantity is reduced, and yield rate is improved.Therefore, it is appropriate to the occasion equal to or more than 580mm using pellet sintering method based on iron ore concentrate, it is appropriate to the occasion equal to or more than 650mm based on fine iron ore.
The rotating speed of fabric thickness and round roller batcher, gate aperture and sintering pallet speed are relevant on sintering pallet.And sintering pallet speed is determined according to the position of sintering end point, therefore to ensure sintering pallet thickness of feed layer, must just control the rotating speed and gate aperture of round roller batcher.
In sum, how to control sintering machine (chassis) thickness of feed layer is the problem that each sintering plant is required for solving.
The content of the invention
The purpose of the present invention is to overcome problem present in batch layer thickness of sintering machine control described above, a kind of device for controlling batch layer thickness of sintering machine based on radar detection technique is provided, the performance indications such as cold strength, hot strength, Yield and quality, ferrous oxide content, reducing property, the Fuel Consumption of sintering deposit are improved.
The purpose of the present invention is realized by following technical proposals.
Device for controlling batch layer thickness of sintering machine based on radar detection technique of the invention,It is characterized in that including one group of radar level gauge,The thickness of feed layer transmitter group being connected with this radar level gauge group,The thickness of feed layer computing controller being connected with this thickness of feed layer degree transmitter group,The speed regulation unit being connected with this thickness of feed layer computing controller respectively,Main gate displacement transducer,Main gate controller,Auxiliary gate displacement transducer group,Auxiliary gate controller,The velocity transducer being connected with this speed regulation unit respectively,Variable-frequency speed-regulating controller,The round roller batcher velocity sensor being connected with this velocity transducer,This variable-frequency speed-regulating controller is connected with the motor of round roller batcher,The main gate displacement transducer being connected with this main gate displacement transducer,Each auxiliary gate displacement transducer being connected with this auxiliary gate displacement transducer group,The man-machine interface being connected with described thickness of feed layer computing controller,This main gate controller is connected with sintering machine main 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,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 switch board, and this switch board is set at the scene or in switchgear house.
Batch layer thickness of sintering machine control includes longitudinally controlled and crosswise joint.Longitudinally controlled to be the rotating speed by adjusting round roller batcher or main shutter aperture control feeding coal, and to adjust thickness of feed layer, crosswise joint is to control horizontal discharge quantity by aiding in the aperture of gate, to meet the requirement of the laterally homogeneous cloth 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, velocity transducer, variable-frequency speed-regulating controller, round roller batcher velocity sensor, main gate displacement transducer, main gate hydraulic system composition sintering machine longitudinal direction thickness of feed layer control device.
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 composition sintering machine transverse direction thickness of feed layer control device.
Described thickness of feed layer computing controller is PLC, and this PLC is provided with CPU module, digital quantity input module, digital output module, Analog input mModule, analog output module, the communication module being connected with this CPU module respectively.
Described radar level gauge is VEGA, OPTECH or E+H radar level gauge.
Described PLC is the PLC of SIEMENS, SCHNEIDER or ROCKWELL brand.
The operation principle of device for controlling batch layer thickness of sintering machine that sintering machine of the invention is based on radar detection technique is:The rotating speed of round roller batcher is detected by velocity sensor, round roller batcher speed setting value is determined by sintering pallet speed setting value, this tach signal is made comparisons by sending into speed regulation unit after velocity transducer treatment with this speed setting value, speed regulation unit sends speed control signal by calculating, and this control signal is sent to variable-frequency speed-regulating controller and goes to control the motor rotating speed of round roller batcher;Thickness of feed layer setting value is input into thickness of feed layer computing controller by man-machine interface, sintering pallet thickness of feed layer is detected by radar level gauge group, this thickness signal is sent into after expecting that thick transmitter group is processed and expects that thick computing controller is made comparisons after reprocessing with thickness of feed layer setting value, and the thick computing controller of material is by calculating main gate aperture setting value and each auxiliary gate aperture setting value;Round roller batcher tach signal and speed setting value are input into thickness of feed layer computing controller by speed regulation unit, this tach signal is made comparisons with this speed setting value, and thickness of feed layer computing controller is by calculating main gate aperture set point correct value;The displacement i.e. gatage of main gate Electrohydraulic push rod is detected by displacement transducer, this displacement signal is made comparisons by sending into the thick computing controller of material after displacement transducer treatment with main gate aperture set point correct value, the thick computing controller of material sends displacement control signal by calculating, this control signal is sent to main gate controller and goes to control main gate regulation of hydraulic system gatage, completes longitudinal thickness of feed layer control;The displacement i.e. gatage of each auxiliary gate Electrohydraulic push rod is detected by displacement transducer group, this a little displacement signal aids in gate aperture setting value to make comparisons by sending into the thick computing controller of material after the treatment of displacement transducer group with each, the thick computing controller of material sends each displacement control signal by calculating, this a little control signal is sent to each auxiliary gate controller and goes control auxiliary gate regulation of hydraulic system gatage, completes horizontal thickness of feed layer control.
Man-machine interface:For realizing good in interactive function, from touch-screen.Use graphics system display system state, operating system.
The device for controlling batch layer thickness of sintering machine that sintering machine of the invention is based on radar detection technique solves the problems, such as how to control sintering machine (chassis) thickness of feed layer, overcome problem present in batch layer thickness of sintering machine control, a kind of device for controlling batch layer thickness of sintering machine is provided, the performance indications such as cold strength, hot strength, Yield and quality, ferrous oxide content, reducing property, the Fuel Consumption of sintering deposit are improved.
Brief description of the drawings
Fig. 1 is structured flowchart of the invention.Alphabetical designation in figure is represented respectively;SE- velocity sensors;ST- velocity transducers;VVVF- variable-frequency speed-regulating controllers;M- round roller batcher motors;The main gate displacement transducers of XE1-;The main gate displacement transducers of XT1-;The main gate controllers of ZC1-;XE2- aids in gate displacement transducer group;XT2- aids in gate displacement transducer group;ZC2- aids in gate controller;LE- radar level gauge groups;LT- thickness of feed layer transmitter groups;The thick computing controller of LIC- material;SIC- speed regulation units;The thick setting value of L- material;S- round roller speed setting values.
Specific embodiment
Specific embodiment of the invention is illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1,Sintering machine of the invention is based on the device for controlling batch layer thickness of sintering machine of radar detection technique,It is characterized in that including one group of radar level gauge LE,The thickness of feed layer transmitter group LT being connected with this radar level gauge group LE,The thickness of feed layer computing controller LIC being connected with this thickness of feed layer transmitter group LT,The speed regulation unit SIC being connected with this thickness of feed layer computing controller LIC respectively,Main gate displacement transducer XT1,Main gate controller ZC1,Auxiliary gate displacement transducer group XT2,Auxiliary gate controller ZC2,The velocity transducer ST being connected with this speed regulation unit SIC respectively,Variable-frequency speed-regulating controller VVVF,The round roller batcher velocity sensor SE being connected with this velocity transducer ST,This variable-frequency speed-regulating controller VVVF is connected with the motor M of round roller batcher,The main gate displacement transducer XE1 being connected with this main gate displacement transducer XT1,The auxiliary gate displacement transducer group XE2 being connected with this auxiliary gate displacement transducer group XT2,The man-machine interface being connected with described thickness of feed layer computing controller,This main gate controller is connected with sintering machine main 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,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 switch board, interior shown as dashed, this switch board is set at the scene or in 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, velocity transducer ST, variable-frequency speed-regulating controller VVVF, round roller batcher velocity sensor SE, main gate displacement transducer XE1, main gate hydraulic system composition sintering machine longitudinal direction thickness of feed layer control device.
Described radar level gauge group LE, thickness of feed layer pick-up 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 sintering machine transverse direction thickness of feed layer control device.
Described thickness of feed layer computing controller LIC is PLC, and this PLC is provided with CPU module, digital quantity input module, digital output module, Analog input mModule, modulus plan output module, the communication module being connected with this CPU module 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.
The operation principle of device for controlling batch layer thickness of sintering machine that sintering machine of the invention is based on radar detection technique is:The rotating speed of round roller batcher is detected by velocity sensor, round roller batcher speed setting value is determined by sintering pallet speed setting value, this tach signal is made comparisons by sending into speed regulation unit after velocity transducer treatment with this speed setting value, speed regulation unit sends speed control signal by calculating, and this control signal is sent to variable-frequency speed-regulating controller and goes to control the motor rotating speed of round roller batcher;Thickness of feed layer setting value is input into thickness of feed layer computing controller by man-machine interface, sintering pallet thickness of feed layer is detected by radar level gauge group, this thickness signal is sent into after expecting that thick transmitter group is processed and expects that thick computing controller is made comparisons after reprocessing with thickness of feed layer setting value, and the thick computing controller of material is by calculating main gate aperture setting value and each auxiliary gate aperture setting value;Round roller batcher tach signal and speed setting value are input into thickness of feed layer computing controller by speed regulation unit, this tach signal is made comparisons with this speed setting value, and thickness of feed layer computing controller is by calculating main gate aperture set point correct value;The displacement i.e. gatage of main gate Electrohydraulic push rod is detected by displacement transducer, this displacement signal is made comparisons by sending into the thick computing controller of material after displacement transducer treatment with main gate aperture set point correct value, the thick computing controller of material sends displacement control signal by calculating, this control signal is sent to main gate controller and goes to control main gate regulation of hydraulic system gatage, completes longitudinal thickness of feed layer control;The displacement i.e. gatage of each auxiliary gate Electrohydraulic push rod is detected by displacement transducer group, this a little displacement signal aids in gate aperture setting value to make comparisons by sending into the thick computing controller of material after the treatment of displacement transducer group with each, the thick computing controller of material sends each displacement control signal by calculating, this a little control signal is sent to each auxiliary gate controller and goes control auxiliary gate regulation of hydraulic system gatage, completes horizontal thickness of feed layer control.
The device for controlling batch layer thickness of sintering machine that sintering machine of the invention is based on radar detection technique solves the problems, such as how to control sintering pallet thickness of feed layer, overcome problem present in batch layer thickness of sintering machine control, a kind of device for controlling batch layer thickness of sintering machine is provided, the performance indications such as cold strength, hot strength, Yield and quality, ferrous oxide content, reducing property, the Fuel Consumption of sintering deposit are improved.
Claims (6)
1. a kind of device for controlling batch layer thickness of sintering machine based on radar detection technique,It is characterized in that including one group of radar level gauge,The thickness of feed layer transmitter group being connected with this group of radar level gauge,The thickness of feed layer computing controller being connected with this thickness of feed layer degree transmitter group,The speed regulation unit being connected with this thickness of feed layer computing controller respectively,Main gate displacement transducer,Main gate controller,Auxiliary gate displacement transducer group,Auxiliary gate controller,The velocity transducer being connected with this speed regulation unit respectively,Variable-frequency speed-regulating controller,The round roller batcher velocity sensor being connected with this velocity transducer,This variable-frequency speed-regulating controller is connected with the motor of round roller batcher,The main gate displacement transducer being connected with this main gate displacement transducer,Each auxiliary gate displacement transducer being connected with this auxiliary gate displacement transducer group,The man-machine interface being connected with described thickness of feed layer computing controller,This main gate controller is connected with sintering machine main 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,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 switch board, this switch board is set at the scene or in switchgear house.
3. the device for controlling batch layer thickness of sintering machine based on radar detection technique according to claim 1, it is characterised 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, velocity transducer, variable-frequency speed-regulating controller, round roller batcher velocity sensor, main gate displacement transducer, main gate hydraulic system constitute sintering machine longitudinal direction thickness of feed layer control device.
4. the device for controlling batch layer thickness of sintering machine based on radar detection technique according to claim 1, it is characterised 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 sintering machine transverse direction thickness of feed layer control device.
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 CPU module, digital quantity input module, digital output module, Analog input mModule, analog output module, the communication module being connected with this CPU module respectively.
6. the device for controlling batch layer thickness of sintering machine based on radar detection technique according to claim 4, it is characterised in that described thickness of feed layer transmitter and the output signal of displacement transducer are standard 4~20mA signals.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108507353A (en) * | 2018-04-04 | 2018-09-07 | 北京佰能盈天科技股份有限公司 | The material thickness adjusting method of belt pellet roasting machine |
CN109724410A (en) * | 2017-10-30 | 2019-05-07 | 中冶长天国际工程有限责任公司 | Sintering machine material thickness detector |
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 |
CN113503737A (en) * | 2021-07-20 | 2021-10-15 | 山信软件股份有限公司 | Material layer thickness control method |
-
2015
- 2015-11-13 CN CN201510773148.3A patent/CN106705671A/en not_active Withdrawn
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109724410A (en) * | 2017-10-30 | 2019-05-07 | 中冶长天国际工程有限责任公司 | Sintering machine material thickness detector |
CN108507353A (en) * | 2018-04-04 | 2018-09-07 | 北京佰能盈天科技股份有限公司 | The material thickness adjusting method of belt pellet roasting machine |
CN108507353B (en) * | 2018-04-04 | 2020-01-10 | 北京佰能盈天科技股份有限公司 | Material thickness adjusting method of belt type pellet roasting machine |
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 |
CN113503737A (en) * | 2021-07-20 | 2021-10-15 | 山信软件股份有限公司 | Material layer thickness control method |
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Application publication date: 20170524 |