CN109357539A - Novel intelligent cement sinter leaching control system - Google Patents
Novel intelligent cement sinter leaching control system Download PDFInfo
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- CN109357539A CN109357539A CN201811122929.6A CN201811122929A CN109357539A CN 109357539 A CN109357539 A CN 109357539A CN 201811122929 A CN201811122929 A CN 201811122929A CN 109357539 A CN109357539 A CN 109357539A
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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
- F27D19/00—Arrangements of controlling devices
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/361—Condition or time responsive control in hydraulic cement manufacturing processes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
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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
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
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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
-
- 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
- F27D21/0014—Devices for monitoring temperature
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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
- F27D21/04—Arrangements of indicators or alarms
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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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0003—Monitoring the temperature or a characteristic of the charge and using it as a controlling value
-
- 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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0006—Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value
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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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0031—Regulation through control of the flow of the exhaust gases
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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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
- F27D2019/004—Fuel quantity
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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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0056—Regulation involving cooling
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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
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0075—Regulation of the charge quantity
-
- 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
- F27D2021/0007—Monitoring the pressure
Abstract
Novel intelligent cement sinter leaching control system provided by the invention, including temperature monitoring system, pressure monitor system, gas analysis system, kiln tail feeding control system, dore furnace control of coal system, kiln hood control of coal system, rotary kiln velocity-controlled system, kiln hood vacuum control system, grate-cooler velocity-controlled system, MCC system and DCS system；MCC system connects DCS system；Temperature monitoring system, pressure monitor system and gas analysis system are connected to DCS system；Kiln tail feeding control system, dore furnace control of coal system, kiln hood control of coal system, rotary kiln velocity-controlled system, kiln hood vacuum control system and grate-cooler velocity-controlled system are separately connected MCC system and DCS system.System intelligent degree is high, and manpower is greatly saved, can full-automatic stable operation, and have perfect fault alarm and defencive function.
Description
Technical field
The invention belongs to intelligent production technical fields, and in particular to novel intelligent cement sinter leaching control system.
Background technique
Clinker is to be configured to raw material using lime stone and clay, ferriferous raw material as primary raw material by proper proportion, burn extremely
Partly or entirely melting, and the semi-finished product obtained through cooling.Existing cement clinker burning system is that raw material are pre- in whirlwind
After completing preheating and predecomposition in hot device, into the firing for carrying out clinker in rotary kiln.In rotary kiln, carbonate is further
It decomposes rapidly, and a series of solid phase reaction occurs, generate the mineral in clinker.As temperature of charge increases, mineral meeting
Become liquid phase, the mineral being dissolved in liquid phase carry out reaction and generate clinker.
But existing cement clinker burning system is also merely resting on the stage artificially controlled, for Cement clinker buring
For system, intelligent control is extremely important.If cement clinker burning system control is bad, clinker production will lead to
Amount, quality fluctuation are big, and electricity, heat consumption are high.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of novel intelligent cement sinter leaching control system, realizes
To the intelligent control of Cement clinker buring.
A kind of novel intelligent cement sinter leaching control system, including temperature monitoring system, pressure monitor system, gas point
Analysis system, kiln tail feeding control system, dore furnace control of coal system, kiln hood control of coal system, rotary kiln speed adjust system
System, kiln hood vacuum control system, grate-cooler velocity-controlled system, MCC system and DCS system；
Wherein, the MCC system connects DCS system；The temperature monitoring system, pressure monitor system and gas analysis system
System is connected to DCS system；The kiln tail feeding control system, dore furnace control of coal system, kiln hood control of coal system, revolution
Kiln velocity-controlled system, kiln hood vacuum control system and grate-cooler velocity-controlled system are separately connected MCC system and DCS system.
Preferably, the temperature monitoring system includes temperature detecting element and temperature transmitter；The temperature detecting unit
Connect temperature transmitter；The temperature transmitter connects the DCS system；
The temperature that the temperature transmitter is used to monitor temperature detecting element is transferred to the DCS system；The DCS
System shows the temperature received, and when temperature reaches preset temperature alarming threshold value, alarms.
Preferably, the pressure monitor system includes pressure detecting element and pressure transmitter；The pressure detecting element
Connect the pressure transmitter；The pressure transmitter connects the DCS system；
The pressure transmission that the pressure transmitter is used to monitor pressure detecting element is to the DCS system；The DCS
System shows the pressure received, and when pressure reaches preset pressure alarm threshold value, alarms.
Preferably, the gas analysis system includes sampling probe and analyzer；The sampling probe connects the analysis
Instrument；The analyzer connects the DCS system；
The analyzer carries out gas analysis to the sample that sampling probe acquires, and obtains the gas componant of sample, and pass through
Profibus-DP is transferred to DCS system；The DCS system shows the gas componant received, and meets in gas componant and preset
Gas alarm condition when, alarm.
Preferably, the kiln tail feeding control system include weighing feeding bin, load sensor, discharging flow control valve,
And feed control；The bottom of the weighing feeding bin is equipped with discharge chute；The load sensor is mounted on weighing feeding bin
On, the discharging flow control valve is mounted on the discharge chute of weighing feeding bin；The load sensor and discharging flow control
Valve processed connects the feed control；The feed control connects the DCS system；
The weight of the load sensor detection weighing feeding bin；
The feed control presets feeding capacity threshold value；Feed control is fed for obtaining raw material feeding capacity, and by weighing
Weight, feeding capacity threshold value and the raw material feeding capacity of feed bin are sent to DCS system；It is also used to control discharging according to feeding control signal
The aperture of flow control valve；
The DCS system is used to generate feeding control signal according to feeding capacity threshold value and raw material feeding capacity, and by feeding control
Signal processed is transmitted to feed control；The DCS system is also used to monitoring that weighing feeding bin weighs less than preset feeding
When weight of alarming, alarm.
Preferably, the temperature detecting element is arranged at decomposition furnace outlet；
The dore furnace control of coal system includes that dore furnace coal dust feeding scale and dore furnace feed coal controller；The decomposition
Furnace coal dust feeding scale connects dore furnace and feeds coal controller；The dore furnace feeds coal controller and connects the DCS system；
The dore furnace feeds coal controller preset decomposition heater outlet temperature threshold value；Dore furnace feeds coal controller and is also used to obtain
The temperature for the decomposition furnace outlet that temperature detecting element detects, and by the temperature of decomposition furnace outlet temperature threshold and decomposition furnace outlet
It is sent to DCS system；
The DCS system, which is used to generate dore furnace according to the temperature of decomposition furnace outlet temperature threshold and decomposition furnace outlet, feeds coal
Signal is controlled, and feeds dore furnace to coal control signal and is transmitted to dore furnace coal dust feeding scale, controls the stream of dore furnace coal dust feeding scale
Amount.
Preferably, the temperature detecting element is arranged at kiln tail smoke-box；
The kiln hood control of coal system includes coal powder in kiln head feeding scale and coal powder in kiln head controller；The coal powder in kiln head is fed
Expect that scale connects coal powder in kiln head controller；The coal powder in kiln head controller connects the DCS system；
The coal powder in kiln head controller presets kiln tail smoke-box temperature threshold；The coal powder in kiln head controller is for obtaining temperature
The temperature for the kiln tail smoke-box that detecting element detects, and the temperature of kiln tail smoke-box temperature threshold and kiln tail smoke-box is sent to DCS
System；
The DCS system is used to generate coal powder in kiln head control letter according to the temperature of kiln tail smoke-box temperature threshold and kiln tail smoke-box
Number, and coal powder in kiln head control signal is transmitted to coal powder in kiln head feeding scale, control the flow of coal powder in kiln head feeding scale.
Preferably, the pressure detecting element of the pressure monitor system is set to kiln head cover；
The kiln hood vacuum control system includes kiln hood exhaust gas air-introduced machine and negative pressure controller；The kiln hood exhaust gas air-introduced machine
Connect negative pressure controller；The negative pressure controller connects the DCS system；
The negative pressure controller presets kiln head cover pressure threshold；Negative pressure controller is also used to obtain pressure detecting element detection
The pressure of the kiln head cover arrived, and the pressure of kiln head cover pressure threshold and kiln head cover is sent to DCS system；The negative pressure controller
It is also used to control the speed of kiln hood exhaust gas air-introduced machine according to vacuum cavitations signal；
The DCS system is used for the pressing creation negative pressure setting value according to kiln head cover pressure threshold and kiln head cover, and will bear
Pressure setting value is transmitted to the MCC system；
The MCC system is used to generate vacuum cavitations signal according to negative pressure setting value, and vacuum cavitations signal is transmitted to negative
Pressure controller.
Preferably, the pressure detecting element of the pressure monitor system is set under the comb of grate-cooler；
The grate-cooler velocity-controlled system includes grate-cooler variable-frequency motor and cooling machine controller；The grate-cooler frequency conversion
Motor connects cooling machine controller；The cooling machine controller connects the DCS system；
The default lower pressure threshold of combing of the cooling machine controller；Cooling machine controller is also used to obtain pressure detecting element inspection
Pressure under the comb measured, and the pressure combed under lower pressure threshold and comb is sent to DCS system；The cooling machine controller is also
For the speed according to cooling machine control signal using grate-cooler variable-frequency motor control grate-cooler；
The DCS system is used for according to lower pressure threshold and the pressing creation grate-cooler setting value under combing of combing, and by cooling
Machine setting value is transmitted to the MCC system；
The MCC system is used to generate cooling machine control signal according to grate-cooler setting value, and by cooling machine control signal
It is transmitted to cooling machine controller.
As shown from the above technical solution, novel intelligent cement sinter leaching control system provided by the invention, is configured with DCS
System receives the signal of temperature monitoring system, pressure monitoring examining system, gas analysis system to be programmed as control core,
Real-time control kiln tail feeding control system, dore furnace control of coal system, kiln hood vacuum control system, kiln hood control of coal system
With grate-cooler velocity-controlled system.Intelligence degree is high, and manpower is greatly saved, can full-automatic stable operation, and have
Perfect fault alarm and defencive function.It is communicated using Profibus-DP, greatly reduces the quantity and cable of signal cable
Cost has been saved in fault point, and data processing function is powerful, facilitates extension.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the module frame chart for the novel intelligent cement sinter leaching control system that embodiment one provides.
Fig. 2 is the flow chart for the kiln tail feeding control that embodiment three provides.
Fig. 3 is the flow chart for the dore furnace control of coal that example IV provides.
Fig. 4 is the flow chart for the kiln hood control of coal that example IV provides.
Fig. 5 is the flow chart for the kiln hood vacuum cavitations that embodiment five provides.
Fig. 6 is the flow chart that the grate-cooler speed that embodiment five provides is adjusted.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.It should be noted that unless otherwise indicated, technical term or scientific term used in this application are should be belonging to the present invention
The ordinary meaning that field technical staff is understood.
Embodiment one:
A kind of novel intelligent cement sinter leaching control system, referring to Fig. 1, including temperature monitoring system 1, pressure monitoring system
System 2, kiln tail feeding control system 4, dore furnace control of coal system 5, kiln hood control of coal system 6, returns at gas analysis system 3
Rotary kiln velocity-controlled system 7, kiln hood vacuum control system 8, grate-cooler velocity-controlled system 9, MCC system 10 and DCS system 11；
Wherein, the MCC system 10 connects DCS system 11；The temperature monitoring system 1, pressure monitor system 2 and gas
Analysis system 3 is connected to DCS system 11；The kiln tail feeding control system 4, dore furnace control of coal system 5, kiln hood fire coal control
System 6, rotary kiln velocity-controlled system 7, kiln hood vacuum control system 8 and grate-cooler velocity-controlled system 9 processed are separately connected MCC
System 10 and DCS system 11.
Specifically, DCS system includes input module, computing module and output module, and input module connects computing module, meter
It calculates module and connects output module, computing module is for analyzing data.DCS system, that is, Distributed Control System, its use control dispersion,
The fundamental design idea that operation and management are concentrated, using the autonomous structure type of multi-layer classification, cooperation.It is mainly characterized by it
Centralized management and decentralised control.MCC system, that is, motor control center is managed collectively distribution and instrument and equipment, by various motor controls
Unit processed, feed line connector unit, distribution transformer, illuminated diagram switch board, interlocking relay and measuring equipment be packed into one it is whole
It powers in the cabinet of body installation and by a public enclosed busbar.
DCS system 11 completes all sequential controls, interlock protection control and process control.DCS system can be
Receive the gas ingredients signal of the temperature signal of temperature monitoring system, the pressure signal of pressure monitor system, gas analyzer
Afterwards, it is analyzed and determined and calculate and provide operation signal and setting value.Setting value includes desired temperature, pressure setting
Value, kiln tail feeding capacity setting value, dore furnace feed coal setting value, kiln hood feeds the technological parameters such as coal setting value.These setting values are logical
It crosses thermal technology to be calculated, is mature empirical value.
System configuration DCS system receives temperature monitoring system, pressure monitoring system to be programmed as control core
The signal of system, gas analysis system, real-time control kiln tail feeding control system, dore furnace control of coal system, kiln hood negative pressure control
System, kiln hood control of coal system and grate-cooler velocity-controlled system processed.Intelligence degree is high, and manpower is greatly saved, can be with
Full-automatic stable operation, and have perfect fault alarm and defencive function.It is communicated, is greatly reduced using Profibus-DP
The quantity of signal cable and the fault point of cable, have saved cost, data processing function is powerful, facilitates extension.
Embodiment two:
Embodiment two on the basis of example 1, increases the function of temperature, pressure, gas detection.
Temperature detection.The temperature monitoring system includes temperature detecting element and temperature transmitter；The temperature detection list
Member connection temperature transmitter；The temperature transmitter connects the DCS system；
The temperature that the temperature transmitter is used to monitor temperature detecting element is transferred to the DCS system；The DCS
System shows the temperature received, and when temperature reaches preset temperature alarming threshold value, alarms.
Specifically, the temperature signal that temperature transmitter is used to detect temperature detecting element is converted to transmittable standard
Change output signal.Temperature monitoring system can monitor the temperature of links in cement clinker burning system, and be uploaded to DCS
System, DCS system show the temperature detected, if too high or too low for temperature, when falling into temperature alarming threshold value, alarm.
Pressure detecting.The pressure monitor system includes pressure detecting element and pressure transmitter；The pressure detecting member
Part connects the pressure transmitter；The pressure transmitter connects the DCS system；
The pressure transmission that the pressure transmitter is used to monitor pressure detecting element is to the DCS system；The DCS
System shows the pressure received, and when pressure reaches preset pressure alarm threshold value, alarms.
Specifically, pressure detecting element can be pressure pipe.Equally, pressure transmitter is for detecting pressure detecting element
To pressure signal be converted to transmittable normalization output signal.Pressure monitor system can monitor Cement clinker buring system
The pressure of links in system, and it is uploaded to DCS system, DCS system shows the pressure detected, if hypertonia or mistake
It is low, when falling into pressure alarm threshold value, alarm.
Gas analysis.The gas analysis system includes sampling probe and analyzer；Described point of the sampling probe connection
Analyzer；The analyzer connects the DCS system；
The analyzer carries out gas analysis to the sample that sampling probe acquires, and obtains the gas componant of sample, and pass through
Profibus-DP is transferred to DCS system；The DCS system shows the gas componant received, and meets in gas componant and preset
Gas alarm condition when, alarm.
Specifically, the gas componant for the sample that gas analysis system is obtained for analytical sampling probe.Gas analysis system
The gas componant monitored is uploaded to DCS system, DCS system shows the gas componant detected, if there is danger in gas
It becomes by inches point or component ratio occurs abnormal, that is, when meeting preset gas alarm condition, alarm.
System provided by the embodiment of the present invention, to briefly describe, embodiment part does not refer to place, can refer to aforementioned system
Corresponding contents in embodiment of uniting.
Embodiment three:
Embodiment three on the basis of the above embodiments, increases kiln tail feeding control.
Referring to fig. 2, the kiln tail feeding control system includes weighing feeding bin, load sensor, discharging flow control valve
And feed control；The bottom of the weighing feeding bin is equipped with discharge chute；The load sensor is mounted on weighing feeding bin
On, the discharging flow control valve is mounted on the discharge chute of weighing feeding bin；The load sensor and discharging flow control
Valve processed connects the feed control；The feed control connects the DCS system；
Specifically, weighing feeding bin and discharge chute are equipment mature in existing cement clinker burning system.Weighing
Material in feeding bin is from discharge chute blanking.Discharging flow control valve is used to control the speed of weighing feeding bin blanking.Flow
Control valve opening is bigger, and blanking velocity is faster；Flow control valve opening is smaller, and blanking velocity is slower.
The weight of the load sensor detection weighing feeding bin；
Specifically, the load sensor can be set in the bottom of weighing feeding bin.Load sensor claims for monitoring
The quantity of surplus material can carry out variation call if surplus material is inadequate in weighing feeding bin in time in weight feeding bin.
The feed control presets feeding capacity threshold value；Feed control is fed for obtaining raw material feeding capacity, and by weighing
Weight, feeding capacity threshold value and the raw material feeding capacity of feed bin are sent to DCS system；It is also used to control discharging according to feeding control signal
The aperture of flow control valve；
The DCS system is used to generate feeding control signal according to feeding capacity threshold value and raw material feeding capacity, and by feeding control
Signal processed is transmitted to feed control；The DCS system is also used to monitoring that weighing feeding bin weighs less than preset feeding
When weight of alarming, alarm.
Specifically, the feeding capacity controlled into kiln raw material is stablized, and is rotary kiln stable operation, improves yield, guarantees quality
One of essential condition.Flow (i.e. raw material feeding capacity, that is, feeding capacity threshold of the kiln tail feeding control system impact flow meter
Value) as controlled parameter, for the aperture of flow control valve as control parameter, the two completes closed-loop control by DCS system, thus
Stablize feeding capacity on preset feeding capacity.Realize PID control in DCS system, staff can also carry out parameter setting,
Parameter such as shows and alarms the operation.
System provided by the embodiment of the present invention, to briefly describe, embodiment part does not refer to place, can refer to aforementioned system
Corresponding contents in embodiment of uniting.
Example IV:
Example IV on the basis of the above embodiments, increases dore furnace control of coal and kiln hood control of coal.
Dore furnace control of coal.Referring to Fig. 3, the temperature detecting element is arranged at decomposition furnace outlet；
The dore furnace control of coal system includes that dore furnace coal dust feeding scale and dore furnace feed coal controller；The decomposition
Furnace coal dust feeding scale connects dore furnace and feeds coal controller；The dore furnace feeds coal controller and connects the DCS system；
The dore furnace feeds coal controller preset decomposition heater outlet temperature threshold value；Dore furnace feeds coal controller and is also used to obtain
The temperature for the decomposition furnace outlet that temperature detecting element detects, and by the temperature of decomposition furnace outlet temperature threshold and decomposition furnace outlet
It is sent to DCS system；
The DCS system, which is used to generate dore furnace according to the temperature of decomposition furnace outlet temperature threshold and decomposition furnace outlet, feeds coal
Signal is controlled, and control signal will be decomposed and be transmitted to dore furnace coal dust feeding scale, controls the flow of dore furnace coal dust feeding scale.
Specifically, dore furnace coal dust feeding scale is equipment mature in existing cement clinker burning system.Dore furnace combustion
Coal control system is using decomposition furnace outlet temperature as controlled parameter, and the flow of dore furnace coal dust feeding scale is as control parameter, and two
Person completes closed-loop control by DCS system, achievees the purpose that stable Coaling of Decomposing Furnace.Complicated tandem is carried out in DCS system to return
Road control.The operations such as DCS system also carries out parameter setting for staff, parameter shows and alarms.
Kiln hood control of coal.Referring to fig. 4, the temperature detecting element is arranged at kiln tail smoke-box；
The kiln hood control of coal system includes coal powder in kiln head feeding scale and coal powder in kiln head controller；The coal powder in kiln head is fed
Expect that scale connects coal powder in kiln head controller；The coal powder in kiln head controller connects the DCS system；
The coal powder in kiln head controller presets kiln tail smoke-box temperature threshold；The coal powder in kiln head controller is for obtaining temperature
The temperature for the kiln tail smoke-box that detecting element detects, and the temperature of kiln tail smoke-box temperature threshold and kiln tail smoke-box is sent to DCS
System；
The DCS system is used to generate coal powder in kiln head control letter according to the temperature of kiln tail smoke-box temperature threshold and kiln tail smoke-box
Number, and coal powder in kiln head control signal is transmitted to coal powder in kiln head feeding scale, control the flow of coal powder in kiln head feeding scale.
Specifically, coal powder in kiln head feeding scale is equipment mature in existing cement clinker burning system.Kiln hood fire coal control
System processed is using kiln tail smoke-box temperature as controlled parameter, and for the flow of coal powder in kiln head feeding scale as control parameter, the two passes through DCS
System completes closed-loop control, achievees the purpose that stable kiln hood feeds coal amount.Circuit control is carried out in DCS system.DCS system is also for work
Make the operations such as personnel carry out parameter setting, parameter shows and alarms.
System provided by the embodiment of the present invention, to briefly describe, embodiment part does not refer to place, can refer to aforementioned system
Corresponding contents in embodiment of uniting.
Embodiment five:
Embodiment five increases kiln hood vacuum cavitations and grate-cooler speed is adjusted on the basis of other embodiments.
Kiln hood vacuum cavitations.Referring to Fig. 5, the pressure detecting element of the pressure monitor system is set to kiln head cover；
The kiln hood vacuum control system includes kiln hood exhaust gas air-introduced machine and negative pressure controller；The kiln hood exhaust gas air-introduced machine
Connect negative pressure controller；The negative pressure controller connects the DCS system；
The negative pressure controller presets kiln head cover pressure threshold；Negative pressure controller is also used to obtain pressure detecting element detection
The pressure of the kiln head cover arrived, and the pressure of kiln head cover pressure threshold and kiln head cover is sent to DCS system；The negative pressure controller
It is also used to control the speed of kiln hood exhaust gas air-introduced machine according to vacuum cavitations signal；
The DCS system is used for the pressing creation negative pressure setting value according to kiln head cover pressure threshold and kiln head cover, and will bear
Pressure setting value is transmitted to the MCC system；
The MCC system is used to generate vacuum cavitations signal according to negative pressure setting value, and vacuum cavitations signal is transmitted to negative
Pressure controller.
Specifically, kiln hood exhaust gas air-introduced machine is equipment mature in existing cement clinker burning system.Kiln hood negative pressure control
System processed using kiln hood negative pressure as controlled parameter, kiln hood exhaust gas air-introduced machine speed as control parameter, the two by DCS system and
MCC system completes closed-loop control, makes kiln hood negative regulation on preset kiln head cover pressure threshold.DCS system is also for the people that works
The operations such as member carries out parameter setting, parameter shows and alarms.
Grate-cooler speed is adjusted.The pressure detecting element of the pressure monitor system is set under the comb of grate-cooler；
The grate-cooler velocity-controlled system includes grate-cooler variable-frequency motor and cooling machine controller；The grate-cooler frequency conversion
Motor connects cooling machine controller；The cooling machine controller connects the DCS system；
The default lower pressure threshold of combing of the cooling machine controller；Cooling machine controller is also used to obtain pressure detecting element inspection
Pressure under the comb measured, and the pressure combed under lower pressure threshold and comb is sent to DCS system；The cooling machine controller is also
For the speed according to cooling machine control signal using grate-cooler variable-frequency motor control grate-cooler；
The DCS system is used for according to lower pressure threshold and the pressing creation grate-cooler setting value under combing of combing, and by cooling
Machine setting value is transmitted to the MCC system；
The MCC system is used to generate cooling machine control signal according to grate-cooler setting value, and by cooling machine control signal
It is transmitted to cooling machine controller.
Specifically, for grate-cooler velocity-controlled system using lower pressure of combing as controlled variable, the speed of grate-cooler is adjustment parameter.
The purpose that pressure adjusts grate-cooler speed under being combed with grate-cooler is to adjust upper thickness of feed layer of combing.Thickness of feed layer directly affects on comb
Secondary air temperature, the temperature of Secondary Air are to influence one of the condition of thermal regulation of rotary kiln.Guarantee that the thermal regulation of kiln is stablized
It can achieve the purpose that improve yield, guarantee quality, reduce heat consumption.
System provided by the embodiment of the present invention, to briefly describe, embodiment part does not refer to place, can refer to aforementioned system
Corresponding contents in embodiment of uniting.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (9)
1. a kind of novel intelligent cement sinter leaching control system, which is characterized in that including temperature monitoring system, pressure monitoring system
System, gas analysis system, kiln tail feeding control system, dore furnace control of coal system, kiln hood control of coal system, rotary kiln speed
Spend regulating system, kiln hood vacuum control system, grate-cooler velocity-controlled system, MCC system and DCS system；
Wherein, the MCC system connects DCS system；The temperature monitoring system, pressure monitor system and gas analysis system connect
It is connected to DCS system；The kiln tail feeding control system, dore furnace control of coal system, kiln hood control of coal system, rotary kiln speed
Degree regulating system, kiln hood vacuum control system and grate-cooler velocity-controlled system are separately connected MCC system and DCS system.
2. novel intelligent cement sinter leaching control system according to claim 1, which is characterized in that
The temperature monitoring system includes temperature detecting element and temperature transmitter；The temperature detecting unit connects temperature pick-up
Device；The temperature transmitter connects the DCS system；
The temperature that the temperature transmitter is used to monitor temperature detecting element is transferred to the DCS system；The DCS system
It shows the temperature received, and when temperature reaches preset temperature alarming threshold value, alarms.
3. novel intelligent cement sinter leaching control system according to claim 1, which is characterized in that
The pressure monitor system includes pressure detecting element and pressure transmitter；The pressure detecting element connects the pressure
Transmitter；The pressure transmitter connects the DCS system；
The pressure transmission that the pressure transmitter is used to monitor pressure detecting element is to the DCS system；The DCS system
It shows the pressure received, and when pressure reaches preset pressure alarm threshold value, alarms.
4. novel intelligent cement sinter leaching control system according to claim 1, which is characterized in that
The gas analysis system includes sampling probe and analyzer；The sampling probe connects the analyzer；The analysis
Instrument connects the DCS system；
The analyzer carries out gas analysis to the sample that sampling probe acquires, and obtains the gas componant of sample, and pass through
Profibus-DP is transferred to DCS system；The DCS system shows the gas componant received, and meets in gas componant and preset
Gas alarm condition when, alarm.
5. novel intelligent cement sinter leaching control system according to claim 1, which is characterized in that
The kiln tail feeding control system includes weighing feeding bin, load sensor, discharging flow control valve and feed control；
The bottom of the weighing feeding bin is equipped with discharge chute；The load sensor is mounted on weighing feeding bin, described to unload stream
Control valve is mounted on the discharge chute of weighing feeding bin；The load sensor connects described feed with discharging flow control valve
Expect controller；The feed control connects the DCS system；
The weight of the load sensor detection weighing feeding bin；
The feed control presets feeding capacity threshold value；Feed control is for obtaining raw material feeding capacity, and the feeding bin that will weigh
Weight, feeding capacity threshold value and raw material feeding capacity be sent to DCS system；It is also used to control discharging flow according to feeding control signal
The aperture of control valve；
The DCS system is used to generate feeding control signal according to feeding capacity threshold value and raw material feeding capacity, and feeding control is believed
Number it is transmitted to feed control；The DCS system is also used to alarm in the preset feeding that weighs less than for monitoring weighing feeding bin
When weight, alarm.
6. novel intelligent cement sinter leaching control system according to claim 2, which is characterized in that
The temperature detecting element is arranged at decomposition furnace outlet；
The dore furnace control of coal system includes that dore furnace coal dust feeding scale and dore furnace feed coal controller；The dore furnace coal
Powder feeding scale connects dore furnace and feeds coal controller；The dore furnace feeds coal controller and connects the DCS system；
The dore furnace feeds coal controller preset decomposition heater outlet temperature threshold value；Dore furnace feeds coal controller and is also used to obtain temperature
The temperature for the decomposition furnace outlet that detecting element detects, and the temperature of decomposition furnace outlet temperature threshold and decomposition furnace outlet is sent
To DCS system；
The DCS system, which is used to generate dore furnace according to the temperature of decomposition furnace outlet temperature threshold and decomposition furnace outlet, feeds coal control
Signal, and control signal will be decomposed and be transmitted to dore furnace coal dust feeding scale, control the flow of dore furnace coal dust feeding scale.
7. novel intelligent cement sinter leaching control system according to claim 2, which is characterized in that
The temperature detecting element is arranged at kiln tail smoke-box；
The kiln hood control of coal system includes coal powder in kiln head feeding scale and coal powder in kiln head controller；The coal powder in kiln head feeding scale
Connect coal powder in kiln head controller；The coal powder in kiln head controller connects the DCS system；
The coal powder in kiln head controller presets kiln tail smoke-box temperature threshold；The coal powder in kiln head controller is for obtaining temperature detection
The temperature for the kiln tail smoke-box that element testing arrives, and the temperature of kiln tail smoke-box temperature threshold and kiln tail smoke-box is sent to DCS system；
The DCS system is used to generate coal powder in kiln head according to the temperature of kiln tail smoke-box temperature threshold and kiln tail smoke-box and controls signal, and will
Coal powder in kiln head control signal is transmitted to coal powder in kiln head feeding scale, controls the flow of coal powder in kiln head feeding scale.
8. novel intelligent cement sinter leaching control system according to claim 3, which is characterized in that
The pressure detecting element of the pressure monitor system is set to kiln head cover；
The kiln hood vacuum control system includes kiln hood exhaust gas air-introduced machine and negative pressure controller；The kiln hood exhaust gas air-introduced machine connection
Negative pressure controller；The negative pressure controller connects the DCS system；
The negative pressure controller presets kiln head cover pressure threshold；Negative pressure controller is also used to obtain what pressure detecting element detected
The pressure of kiln head cover, and the pressure of kiln head cover pressure threshold and kiln head cover is sent to DCS system；The negative pressure controller is also used
In the speed for controlling kiln hood exhaust gas air-introduced machine according to vacuum cavitations signal；
The DCS system is used for the pressing creation negative pressure setting value according to kiln head cover pressure threshold and kiln head cover, and negative pressure is set
Definite value is transmitted to the MCC system；
The MCC system is used to generate vacuum cavitations signal according to negative pressure setting value, and vacuum cavitations signal is transmitted to negative pressure control
Device processed.
9. novel intelligent cement sinter leaching control system according to claim 3, which is characterized in that
The pressure detecting element of the pressure monitor system is set under the comb of grate-cooler；
The grate-cooler velocity-controlled system includes grate-cooler variable-frequency motor and cooling machine controller；The grate-cooler variable-frequency motor
Connect cooling machine controller；The cooling machine controller connects the DCS system；
The default lower pressure threshold of combing of the cooling machine controller；Cooling machine controller is also used to obtain pressure detecting element and detects
Comb under pressure, and will comb lower pressure threshold and the pressure under combing is sent to DCS system；The cooling machine controller is also used to
The speed of grate-cooler variable-frequency motor control grate-cooler is utilized according to cooling machine control signal；
The DCS system is used for according to the pressing creation grate-cooler setting value combed under lower pressure threshold and comb, and grate-cooler is set
Definite value is transmitted to the MCC system；
The MCC system is used to generate cooling machine control signal according to grate-cooler setting value, and cooling machine control signal is transmitted to
Cooling machine controller.
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| CN201811122929.6A CN109357539A (en) | 2018-09-26 | 2018-09-26 | Novel intelligent cement sinter leaching control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917762A (en) * | 2019-03-13 | 2019-06-21 | 安徽海螺集团有限责任公司 | A kind of method that quality coal in cement kiln systems secondary air temperature compensates automatically |
| CN110953878A (en) * | 2019-12-04 | 2020-04-03 | 佛山市天禄智能装备科技有限公司 | Rotary furnace control system |
| CN111897302A (en) * | 2020-08-11 | 2020-11-06 | 合肥水泥研究设计院有限公司 | Cement firing control and optimization double-layer cooperative control system based on Internet of things |
| CN114001562A (en) * | 2021-10-12 | 2022-02-01 | 宁波大学 | Temperature-regulating PID parameter self-tuning method for cement predecomposition furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202150058U (en) * | 2011-06-14 | 2012-02-22 | 叶金辉 | Cement kiln decomposing furnace temperature controlling device |
| EP2634519A1 (en) * | 2010-10-27 | 2013-09-04 | Baoshan Iron & Steel Co., Ltd. | Method and device for controlling furnace temperature of burning heating furnace |
| CN103592917A (en) * | 2013-11-14 | 2014-02-19 | 沈阳卡斯特科技发展有限公司 | Dry method cement production line control system |
| CN204925834U (en) * | 2015-08-31 | 2015-12-30 | 中材海外工程（北京）有限公司 | Novel intelligence control system of firing equipment |
| CN106705657A (en) * | 2017-02-15 | 2017-05-24 | 扬州市银焰机械有限公司 | Remote real-time acquiring system of rotary kiln operation state data and control method thereof |
-
2018
- 2018-09-26 CN CN201811122929.6A patent/CN109357539A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2634519A1 (en) * | 2010-10-27 | 2013-09-04 | Baoshan Iron & Steel Co., Ltd. | Method and device for controlling furnace temperature of burning heating furnace |
| CN202150058U (en) * | 2011-06-14 | 2012-02-22 | 叶金辉 | Cement kiln decomposing furnace temperature controlling device |
| CN103592917A (en) * | 2013-11-14 | 2014-02-19 | 沈阳卡斯特科技发展有限公司 | Dry method cement production line control system |
| CN204925834U (en) * | 2015-08-31 | 2015-12-30 | 中材海外工程（北京）有限公司 | Novel intelligence control system of firing equipment |
| CN106705657A (en) * | 2017-02-15 | 2017-05-24 | 扬州市银焰机械有限公司 | Remote real-time acquiring system of rotary kiln operation state data and control method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李斌怀主编: "《预分解窑水泥生产技术与操作》", 31 January 2011 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917762A (en) * | 2019-03-13 | 2019-06-21 | 安徽海螺集团有限责任公司 | A kind of method that quality coal in cement kiln systems secondary air temperature compensates automatically |
| CN110953878A (en) * | 2019-12-04 | 2020-04-03 | 佛山市天禄智能装备科技有限公司 | Rotary furnace control system |
| CN111897302A (en) * | 2020-08-11 | 2020-11-06 | 合肥水泥研究设计院有限公司 | Cement firing control and optimization double-layer cooperative control system based on Internet of things |
| CN114001562A (en) * | 2021-10-12 | 2022-02-01 | 宁波大学 | Temperature-regulating PID parameter self-tuning method for cement predecomposition furnace |
| CN114001562B (en) * | 2021-10-12 | 2023-09-01 | 宁波大学 | Cement pre-demodulation furnace temperature-regulating PID parameter self-setting method |
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Application publication date: 20190219 |