CN109828614A - A kind of automatic control of sintering process water-adding system - Google Patents
A kind of automatic control of sintering process water-adding system Download PDFInfo
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- CN109828614A CN109828614A CN201910099555.9A CN201910099555A CN109828614A CN 109828614 A CN109828614 A CN 109828614A CN 201910099555 A CN201910099555 A CN 201910099555A CN 109828614 A CN109828614 A CN 109828614A
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Abstract
The invention discloses a kind of automatic control of sintering process water-adding system, including PID1 and PID2, the PID1 is electrically connected with live aquametry apparatus, moisture gives instrument and quantization modules, and the scene aquametry apparatus is for mixed rear moisture measurement.After the present invention realizes mixture moisture automatic control, sintering production process is stablized, Sintering Yield improves, simultaneously because mixture moisture control is suitable for being conducive to the transmitting of sintering process heat, decline the fuel consumption of sinter, after sintered mixture moisture control is suitable for, the transmitting of sintering process heat is relatively stable, and heat utilization efficiency is good, is conducive to the solid phase reaction of sintering process.It is controlled under the same conditions in sinter basicity level, FeO in Sinter is slightly decreased, and the tumbler index of sinter does not reduce, production technology moisture stabilization, the small frequent adjusting for reducing sintering end of fluctuation, the adjusting of stable sintering trolley, the workload for seeing firer is reduced, it can the energy such as effectively save blower electric energy and fuel.
Description
Technical field
The present invention relates to field of mechanical technique more particularly to a kind of automatic control of sintering process water-adding systems.
Background technique
Mixture amount of water is affected to the normal operation of other links such as quality, the sintering end point of sinter.
It originally mixes two one and mixes and water is added using artificial keep an eye on, without online moisture detection apparatus, due to using artificial hand
Dynamic adjustment, there are certain blindness, or even add water, cut off the water not in time, run siccative frequent occurrence and try to plaster over the differences at the expense of principle phenomenon, to mixing work
The control of sequence moisture causes very big influence, directly affects engine efficiency.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of automatic control of sintering process proposed adds
Water system is suitable for that stable moisture is conducive to mixed pelletization, the gas permeability for improving the bed of material, reduces air resistance, improves sintering feed
Heat transfer boundary condition, can directly improve a series of technical-economic indexes such as quality of production of sintering process, such as vertical sintering speed, knot
Block rate, fuel consumption, surface quality, drum strength, FeO content etc., can reduce quantity of return mines, fuel, reduce the waste at water source, section
The about energy, additional income promote the benign cycle of production process, and the raising and consumption decline for sinter quality rise
Critically important effect promotes enterprise investment return, post labor intensity of workers is reduced, caused by avoiding because of human factor
Wastage of material and process equipment damage, automatization level improve, and can directly reflect the shortcoming of production technology, can be more effective
Management is improved to produce with specification.
To achieve the goals above, present invention employs following technical solutions:
A kind of automatic control of sintering process water-adding system, including PID1 and PID2, the PID1 are electrically connected with live moisture measurement
Instrument, moisture give instrument and quantization modules, and the scene aquametry apparatus is used for mixed rear moisture measurement, and as feedback and technique mesh
Mark moisture (given value) is combined as fine tuning, and the moisture gives instrument for water supply in furnace, and the quantization modules are in furnace
The control of amount of water；
The scene aquametry apparatus is electrically connected with the first computing module and the second computing module, first computing module
It is electrically connected with the second computing module, the operation of first computing module moisture content on site, the second computing module is used for
The operation of live material, first computing module are electrically connected with moisture and give instrument and material molality block, and the material molality block is used for
The measurement of live material component, the material molality block are electrically connected with the second computing module, and the material molality block is electrically connected with scene
Quickly cutting module, the quick cutting module in scene are used to control the on-off of field circuit, and the scene quickly cuts off module
It is electrically connected with the first mixing machine, belt start and stop module, first mixing machine, belt start and stop module are for automatically controlling mixing
Machine, belt open or close；
Second computing module is electrically connected with filter amount module, and the filter amount module is used for the filtering between material and water,
Second computing module is electrically connected with third computing module, and the third computing module is electrically connected with the PID2, described
PID2 is electrically connected with the second mixing machine, belt start and stop module, and second mixing machine, belt start and stop module are mixed for manually controlling
Conjunction machine, belt open and close；
The third computing module by operation can obtain the first quick lime interference volume, the second quick lime interference volume, return mine it is dry
The amount of disturbing, dedusting interference volume and other interference volumes；
The PID2 is also electrically connected with identity information registration module and water supply mechanism.
Preferably, the ID card information registration module includes that facial recognition modules, fingerprint identification module and identity card are read
Modulus block, identity card read module user information for identification believe employee still unregistered in server or storage card
Breath is registered, and is stored in server and/or storage card.
Preferably, the fingerprint identification module includes that dress fingerprint image handles chip, for acquiring guest's finger print information simultaneously
It is compared with and with finger print information in storage card or server, obtains respective identity information and information on services, and send accordingly finger
It enables to related executing agency.
Preferably, the facial recognition modules, including static, dynamic image collecting device and data processing unit, are used for
It captures either statically or dynamically human face's image and the image information stored up with storage card or server memory compares, obtain respective identity letter
Breath and information on services, and command adapted thereto is sent to related executing agency.
Preferably, the water supply mechanism includes water pump and sintering furnace, and the output end of the water pump passes through pipeline and sintering furnace
It connects, is sequentially installed with pressure change on the pipeline in the horizontal direction and selects device, flowmeter, first manual valve, intelligent regulating valve, electricity
Dynamic stop valve and the second hand-operated valve.
Preferably, two entrances of the sintering furnace are respectively equipped with total stuff amount weighing belt and mixing machine discharge port Microwave Water
Divide instrument.
Preferably, part of the pipeline between flowmeter and first manual valve and pipeline be located at the second hand-operated valve with
Part between sintering furnace is connected to by communicating pipe, and land hand-operated valve of having troubled is installed on communicating pipe.
Preferably, the facial recognition modules are external camera.
The invention has the following advantages:
1, controlled by PID1 moisture --- use a mixed rear moisture measurement as feedback and process goal moisture (given value)
It combines as fine tuning, control section 40% or less is accounted in entire control system.It can be increased in time according to true moisture in this way
Diminishing amount reaches amount of water and reaches optimum range；
2, measured and controlled by PID2 --- use Target moisture, a mixed preceding moisture measurement value, doses to calculate actual needs and add
Water is adjusted as feedforward, flow as feedback jointly, is preconditioned as whole system.It is accounted in entire control system
60% or greater proportion.It can satisfy the most basic water of production technology in this way, realize production plus water fast and stable；
3, by quick lime, return mine, the factor bigger to moisture interference such as dedusting ash, be included in together according to the actual situation
System database, establish after model can individually operated water be directly output on controller, can be direct if production has special circumstances
It operates in systems, realizes that system is quick, stablizes, accurate adjusting；
4, it is changed by such as pressure, pressure transmitter monitors pipe network, participates in controlling jointly with flow.As water pressure fluctuations are big
When PID2 can adjust rapidly, system reaches new balance.The unchanged pressure that do not need of pressure participates in control；
5, chain by doses, mixing machine start and stop, belt start and stop and stop valve, as production needs emergency stop, suitable stops nothing along rising
Post is needed to close valve, system can judge automatically cutting plus water；
6, pass through doses, quick lime amount, quantity of return mines, dedusting ash quantity in mixing machine emergency stop, suitable suitable stopping time all using spy
Different delay (delay time is specifically measured according to production technology and obtained), system automatic identification increases or decreases plus the water time.Make to expect
Head, material tail efficiently use production as far as possible, reduce waste.
Detailed description of the invention
Fig. 1 is a kind of system block diagram of automatic control of sintering process water-adding system proposed by the present invention；
Fig. 2 is a kind of structural schematic diagram of automatic control of sintering process water-adding system proposed by the present invention；
Fig. 3 is a kind of system frame of automatic control of sintering process water-adding system ID card information registration module proposed by the present invention
Figure.
In figure: device, 3 flowmeters, 4 first manual valves, 5 intelligent regulating valves, 6 electronic stop valves, 7 are selected in 1 water pump, the change of 2 pressure
Second hand-operated valve, 8 labor land hand-operated valves, 9 mixing machine discharge port microwave moisture instruments, 10 sintering furnaces, 11 total stuff amount weighing belts.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig.1-3, a kind of automatic control of sintering process water-adding system, including PID1 and PID2, which is characterized in that PID1 is electrically connected
The given instrument of live aquametry apparatus, moisture and quantization modules are connected to, live aquametry apparatus is for mixing rear moisture measurement, and conduct
Feedback is combined with process goal moisture (given value) as fine tuning, and moisture gives instrument for water supply in furnace, and quantization modules are used for
The control of amount of water in furnace；PID, that is, proportional-integral derivative controller；
Live aquametry apparatus is electrically connected with the first computing module and the second computing module, the first computing module and the second fortune
Calculate module electrical connection, the operation of the first computing module moisture content on site, the fortune of the second computing module material on site
It calculates, the first computing module is electrically connected with moisture and gives instrument and material molality block, the measurement of material molality block material component on site, material
Molality block is electrically connected with the second computing module, and material molality block is electrically connected with live quickly cutting module, live quickly cutting module
For controlling the on-off of field circuit, quickly cutting module is electrically connected with the first mixing machine, belt start and stop module at scene, and first is mixed
Conjunction machine, belt start and stop module are used to automatically control mixing machine, belt opens or closes；
Second computing module is electrically connected with filter amount module, and filter amount module is for the filtering between material and water, the second operation
Module is electrically connected with third computing module, and third computing module is electrically connected with PID2, and PID2 is electrically connected with the second mixing machine, belt
Start and stop module, the second mixing machine, belt start and stop module are for manually controlling mixing machine, belt open and close；
Third computing module by operation can obtain the first quick lime interference volume, the second quick lime interference volume, interference volume of returning mine,
Dedusting interference volume and other interference volumes；
PID2 is also electrically connected with identity information registration module and water supply mechanism, and ID card information registration module includes that face is known
Other module, fingerprint identification module and identity card read module, identity card read module user information for identification, to server or
Still unregistered employee information is registered in storage card, and is stored in server and/or storage card.
Fingerprint identification module include dress fingerprint image handle chip, for acquire guest's finger print information and with and and storage card
Or the finger print information in server compares, and obtains respective identity information and information on services, and sends command adapted thereto to correlation and execute
Mechanism.
Facial recognition modules, including static, dynamic image collecting device and data processing unit, it is static or dynamic for capturing
State human face image is simultaneously compared with the image information of storage card or server memory storage, obtains respective identity information and service letter
Breath, and command adapted thereto is sent to related executing agency, facial recognition modules are external camera.
Water supply mechanism includes water pump 1 and sintering furnace 10, and the output end of water pump 1 is connect by pipeline with sintering furnace 10, pipeline
On be sequentially installed in the horizontal direction pressure change select device 2, flowmeter 3, first manual valve 4, intelligent regulating valve 5, electronic stop valve 6
Total stuff amount weighing belt 11 and mixing machine discharge port Microwave Water are respectively equipped with two entrances of the second hand-operated valve 7, sintering furnace 10
Point instrument 9, part of the pipeline positioned at flowmeter 3 and first manual valve 4 between and pipeline be located at the second hand-operated valve 7 and sintering furnace 10 it
Between part be connected to by communicating pipe, and installation is had troubled land hand-operated valve 8 on communicating pipe.
It should be noted that microwave moisture instrument measuring principle: microwave moisture instrument (can be penetrated using 2.40GHz low frequency microwave
High density and wide belt), which transmits the decaying generated when measured medium, phase change mainly by the dielectric constant of medium, Jie
Matter loss tangent determines.Water is a kind of polar molecule, and the dielectric constant and dielectric loss angle tangent of water are all much higher than one
As medium.Usual situation, the dielectric constant of water-bearing media and the size of loss tangent are mainly determined by its moisture content.
Microwave from be located at conveyer belt below microwave transmitting probe emitted energy, through after belt and material by belt upper end microwave receiving
Probe receives remaining microwave energy.It is visited according to the change and ultrasonic wave mass compensation of the decaying of microwave power and phase shift
Head calculates instantaneous gross mass and calculates the moisture content of material using the gross energy of loss and the degree of gross mass.
Due to microwave complete penetration tested material, so all physical moisture content can be measured.This is not only
Suitable for the moisture content on surface, and it is also suitable for internal moisture content！The technology ensure that very high measurement accuracy and
Precision, the color and surface texture of material, vapor and dust all will not influence measurement result.
In the present invention, controlled by PID1 moisture --- use a mixed rear moisture measurement as feedback and process goal moisture
(given value) is combined as fine tuning, and control section 40% or less is accounted in entire control system.It in this way can be in time according to true
Real moisture increases and decreases water, reaches amount of water and reaches optimum range；Measured and controlled by PID2 --- with Target moisture, a mixed preceding water
Measured value, doses is divided to calculate actual needs amount of water and adjust jointly as feedforward, flow as feedback, as whole system
Preconditioning.60% or greater proportion are accounted in entire control system.It can satisfy the most basic water of production technology in this way, realize
Production plus water fast and stable；It by quick lime, returns mine, the factor bigger to moisture interference such as dedusting ash, according to the actual situation
Be included in system database together, establish after model can individually operated water be directly output on controller, as production has special feelings
Condition can be operated directly in systems, realized that system is quick, stablized, accurate adjusting；It is changed by such as pressure, pressure transmitter
Pipe network is monitored, participates in controlling jointly with flow.If PID2 can be adjusted rapidly when water pressure fluctuations are big, system reaches new and puts down
Weighing apparatus.The unchanged pressure that do not need of pressure participates in control；It is chain by doses, mixing machine start and stop, belt start and stop and stop valve, it is such as raw
Production need emergency stop, along rise along stop without post close valve, system can judge automatically cutting plus water；By doses, quick lime amount, return mine
All using special delay, (delay time is specifically surveyed according to production technology in mixing machine emergency stop, suitable suitable stopping time for amount, dedusting ash quantity
Measure out), system automatic identification increases or decreases plus the water time.So that material head, material tail is efficiently used production as far as possible, reduces wave
Take.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of automatic control of sintering process water-adding system, including PID1 and PID2, which is characterized in that the PID1 is electrically connected with scene
Aquametry apparatus, moisture give instrument and quantization modules, and the scene aquametry apparatus is used for mixed rear moisture measurement, and as feedback
It combines with process goal moisture (given value) as fine tuning, the moisture gives instrument for water supply in furnace, the quantization modules
Control for amount of water in furnace；
The scene aquametry apparatus is electrically connected with the first computing module and the second computing module, first computing module and the
The electrical connection of two computing modules, the operation of first computing module moisture content on site, the second computing module is on site
The operation of material, first computing module are electrically connected with moisture and give instrument and material molality block, and the material molality block is on site
The measurement of material component, the material molality block are electrically connected with the second computing module, and the material molality block is electrically connected with live quick
Module is cut off, quickly cutting module is for controlling the on-off of field circuit at the scene, and quickly cutting module is electrically connected at the scene
It is connected to the first mixing machine, belt start and stop module, first mixing machine, belt start and stop module are for automatically controlling mixing machine, skin
Band opens or closes；
Second computing module is electrically connected with filter amount module, and the filter amount module is described for the filtering between material and water
Second computing module is electrically connected with third computing module, and the third computing module is electrically connected with the PID2, the PID2 electricity
Be connected with the second mixing machine, belt start and stop module, second mixing machine, belt start and stop module for manually control mixing machine,
Belt opens and closes；
The third computing module by operation can obtain the first quick lime interference volume, the second quick lime interference volume, interference volume of returning mine,
Dedusting interference volume and other interference volumes；
The PID2 is also electrically connected with identity information registration module and water supply mechanism.
2. a kind of automatic control of sintering process water-adding system according to claim 1, which is characterized in that the ID card information note
Volume module includes facial recognition modules, fingerprint identification module and identity card read module, and the identity card read module is for knowing
Other user information registers employee information still unregistered in server or storage card, and is stored in server and/or deposits
In card storage.
3. a kind of automatic control of sintering process water-adding system according to claim 2, which is characterized in that the fingerprint identification module
Chip is handled including dress fingerprint image, for acquiring guest's finger print information and with and with finger print information in storage card or server
It compares, obtains respective identity information and information on services, and send command adapted thereto to related executing agency.
4. a kind of automatic control of sintering process water-adding system according to claim 2, which is characterized in that the face recognition mould
Block, including static, dynamic image collecting device and data processing unit, for capture either statically or dynamically human face's image and with deposit
The image information of card storage or server memory storage compares, and obtains respective identity information and information on services, and send command adapted thereto extremely
Related executing agency.
5. a kind of automatic control of sintering process water-adding system according to claim 1, which is characterized in that the water supply mechanism includes
The output end of water pump (1) and sintering furnace (10), the water pump (1) is connect by pipeline with sintering furnace (10), edge on the pipeline
Horizontal direction is sequentially installed with pressure change and selects device (2), flowmeter (3), first manual valve (4), intelligent regulating valve (5), electronic cuts
Disconnected valve (6) and the second hand-operated valve (7).
6. a kind of automatic control of sintering process water-adding system according to claim 5, which is characterized in that the sintering furnace (10)
Two entrances are respectively equipped with total stuff amount weighing belt (11) and mixing machine discharge port microwave moisture instrument (9).
7. a kind of automatic control of sintering process water-adding system according to claim 5, which is characterized in that the pipeline is located at flow
The part of part and pipeline between the second hand-operated valve (7) and sintering furnace (10) counted between (3) and first manual valve (4) leads to
Communicating pipe connection is crossed, and land hand-operated valve (8) are had troubled in installation on communicating pipe.
8. a kind of automatic control of sintering process water-adding system according to claim 4, which is characterized in that the facial recognition modules
For external camera.
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Cited By (1)
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| CN112000137A (en) * | 2020-08-31 | 2020-11-27 | 重庆花喜鹊科技有限公司 | Automatic water control process system for sintering raw materials |
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Application publication date: 20190531 |