CN106774515A - A kind of heatingup of coke oven battery intelligent temperature control system and control method - Google Patents
A kind of heatingup of coke oven battery intelligent temperature control system and control method Download PDFInfo
- Publication number
- CN106774515A CN106774515A CN201710025185.5A CN201710025185A CN106774515A CN 106774515 A CN106774515 A CN 106774515A CN 201710025185 A CN201710025185 A CN 201710025185A CN 106774515 A CN106774515 A CN 106774515A
- Authority
- CN
- China
- Prior art keywords
- temperature
- coke oven
- coke
- heatingup
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
- G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P.I., P.I.D.
Abstract
The invention discloses a kind of heatingup of coke oven battery intelligent temperature control system and control method, including：The temperature detecting point on coke oven is distributed in, for realizing being transmitted to Analog input mModule using compensating wire to the detection of temperature during Coke Oven Workers work and by the temperature of detection；And the pressure detecting point of the pusher side of coke oven, coke side is distributed in, for realizing the measurement of the baker gas pressure to coke oven machine side and coke side, and the pressure signal of detection is transmitted to Analog input mModule；Analog input mModule is connected by RS485/232 modular converters with host computer, and RS485/232 modular converters are also connected with analog output module, and analog output module is connected with the coal gas pressure regulator valve installed in coke oven coke side, pusher side.Heatingup of coke oven battery data acquisition and control method and device of the present invention can effectively reduce baker cost, and the technological means of science is provided for baker process, and meaning is very great.
Description
Technical field
The present invention relates to oven drying temperature of coke oven control technology field, and in particular to a kind of heatingup of coke oven battery intelligent temperature control system
System and control method.
Background technology
In recent years, due to the rapid growth of China's steel industry, the demand of STRENGTH ON COKE increasingly increases, and has driven coal tar industry
Flourish, China's coking industry be in world lead level.China accounts for more than the 50% of global coke output, is referred to as complete
The first coke production of ball big country.With continuing to develop for economic and technical level, China is gradually changed into from coking big producer
Coking industry is made the country prosperous.In increasing coke oven production capacity newly within five years of 2008~2013 years, the top dress of 6 meters of newly-built JN60-6 types is burnt
Stove and 5.5 meters of JNDK55-05 types tamping coke furnace 112, the seat of newly-built coke oven more than 20 every year on average, and increase speed with annual 17%
Degree is incremented by.But having substantial amounts of coke oven manufacturing enterprise in baker heating process does not have enough experiences, the theory for lacking science is real
Trample guidance so that temperature-rise period temperature control is improper in heatingup of coke oven battery, the serious service life for shortening coke oven, some coke ovens are even
Can not put into and normally use, because the investment that coke oven is built is huge, cause greatly waste, be the serious damage of earth resource
Lose, the development low-carbon economy proposed with China is even more and runs in the opposite direction.
Baker is one important procedure of the coke oven before putting into production, and good baker process can not only cause that coke oven is steady
Product, high yield, extend coke oven service life, can also improve the quality of the coke of output.Baker described in us is actually logical
The mode for crossing heating baking lifts the temperature of coking furnace shaft, and the masonry of coke oven is dried and needed by three phases, is respectively drying,
Dehydration and intensification, until temperature reaches 900 DEG C~1000 DEG C, actually baker is exactly before putting into formal production status for coke oven
The preparation done.
During heatingup of coke oven battery, oven drying temperature of coke oven monitoring point is numerous, and data processing amount is big, complex process, control essence
Degree requires height, and monitoring temperature is difficult and promptness is higher.In conventional new heatingup of coke oven battery, artificial thermometric, artificial is used
Temperature adjustment, the pattern of artificial treatment data, these far can not meet the requirement of production.Usually occur in baker precision it is low and
The problem of temperature can not in time be monitored so that oven drying temperature of coke oven fluctuates widely, directly affects coke oven service life and
The quality of coke.And huge workload is brought to heatingup of coke oven battery personnel, it is less efficient.
The content of the invention
To solve the deficiency that prior art is present, the invention discloses a kind of heatingup of coke oven battery intelligent temperature control system, lead to
Cross and build above-mentioned control system, realize the collection and treatment to data, more preferable temperature control can be reached.
The invention also discloses reusable heatingup of coke oven battery intelligent temperature control method, based on above-mentioned control system,
By the treatment to data, the precise control to temperature is realized using corresponding control method.
A kind of heatingup of coke oven battery intelligent temperature control system, including：The temperature detecting point on coke oven is distributed in, it is right for realizing
Coke oven work during temperature detection and the temperature of detection is transmitted to Analog input mModule using compensating wire；
And the pressure detecting point of the pusher side of coke oven, coke side is distributed in, for realizing the baker coal to coke oven machine side and coke side
The measurement of atmospheric pressure, and the pressure signal of detection is transmitted to Analog input mModule；
Analog input mModule is connected by RS485/232 modular converters with host computer, RS485/232 modular converters
Also be connected with analog output module, analog output module and be arranged on coke oven coke side, pusher side coal gas pressure regulator valve phase
Even；
Temperature during host computer works coke oven is compared with setting value, when temperature is inconsistent with setting value
When according to the aperture of the aperture of coal gas pressure regulator valve and the pressure dependence corresponding coal gas pressure regulator valve of regulation, and then control into
Producer gas total amount finally realizes the control to temperature.
Further, the present invention additionally uses following technical scheme：The temperature detected during coke oven work is included to mark
Temperature, standard accumulation of heat room temperature, resistance wall temperature, standard bottom flue are laterally discharged in quasi- combustion chamber transverse direction exhaust temperature, combustion chamber
Temperature, machine, coke side flue and whole flue temperature；It has the scene temperature standard that can be realized to the coke oven up to more than 100 meters
The effect for really detecting.
Further, the present invention additionally uses following technical scheme：Temperature detecting point detection during live coke oven work
Signal packet transmit to multiple switch boards realize wiring process；Because site environment is more severe, preferably ensure coke oven
The reliability of baker control system.
Further, the present invention additionally uses following technical scheme：The switch board uses sealing device and rain cover；Enter
One step strengthens the stability of heatingup of coke oven battery control system.
Further, the present invention additionally uses following technical scheme：The switch board is powered using uninterrupted power source UPS,
Uninterrupted power source UPS is respectively connecting to the sub switch of each switch board by master switch, and each switch board is built with 1 24V electricity
Source modular converter, is converted to 24V power supplys by the alternating current of the 220V from uninterrupted power source UPS in advance, is powered to switch board；
It has the effect that：It is to ensure control that system power supply employs uninterrupted power source UPS (10KVA, 30 minutes)
The power supply of system processed, fully ensures that the promptness and stability of control system monitoring.Due to data acquisition and processing (DAP) module used
Operating voltage is 24V, and the control cabinet at each station configures 1 double-pole switch built with 1 24V power transfer module, realizes this
The power supply power supply protection of control cabinet.
Further, the present invention additionally uses following technical scheme：The configuration software that the host computer is used for
IFIX monitoring softwares, IFIX monitoring software application DATABASE databases, IFIX monitoring softwares are DDE using dynamic data agreement
It is connected with EXCEL, is calculated from IFIX monitoring softwares incoming data to EXCEL.
It has the effect that：For the treatment of temperature parameter, the temperature to some of them key position is needed in baker
Data are processed, but IFIX calculate data on Shortcomings, it is necessary to using computer come aid in treatment data.Computation
Machine quick and precisely processing data advantage complete baker during various pieces parameter calculating, furnace technology person can be timely
It was found that during baker temperature change, in time treatment there is the detection position of abnormal temperature, improve work human efficiency, save
Time of technical staff.
Further, the present invention additionally uses following technical scheme：The coal gas pressure regulator valve employs motorized adjustment
Valve, the electric control valve band valve opening is fed back, 4~20mA of feedback current access Analog input mModules, and control electric current 4~
20mA accesses analog output module, and pressure transmitter gathers the pressure of gas piping, by simulation input amount module by pressure
Signal is sent in host computer, by passing through analog output module after the regulation of pid algorithm by the electric signal of 4-20mA
Send the aperture that electromagnetism coal gas pressure regulator valve carrys out control valve to.
It has the effect that：To avoid wasting the excessive time with energy in algorithm development, host computer is direct
Adjuster control law ratio, integration, the differential control being widely used are have chosen, abbreviation PID control is adjusted also known as PID,
In the application, the main coal gas pressure regulator valve by control installed in coke oven coke side, pusher side controls gas flow, the aperture of valve
It is with pressure dependence：Valve opening is small, and gas pressure is raised；Valve opening is big, gas pressure reduction.
Further, the present invention additionally uses following technical scheme：The host computer is provided with intelligent automatic alarm
System, the Faulty Temperature for collecting is very big with other correct temperature deviations, intelligent automatic alarm system by by collecting temperature with
Mean temperature relatively may determine that whether collecting temperature is failure and alarm indication；
It has the effect that：When wrong temperature is collected, displays temperature can occur the change of color, be easy to intelligence certainly
The error event that dynamic warning system will occur is recorded, and is made error report and is easy to the inquiry of failure and the maintenance of system,
And the record after All Alerts information is collected.
Further, the present invention additionally uses following technical scheme：The host computer is according to national refractory brick quality
Supervision Test Center sets up baker heating process database, and tie to the swelling rate test table of coke furnace building silica brick sampling test
Temperature, gas pressure, the technical requirements of automatic regulating valve are closed, temperature control Mathematical Modeling is set up, computer heating control curve, root is drawn
The precise and stable control to temperature is realized according to computer heating control curve.
It has the effect that：Data of the host computer in database, combine coke oven construction feature, coke oven and add
The coke making process technologies such as hot mode, coking technique main points of maintenance, the data to gathering carry out " big data " intellectual analysis, and in time
Intelligent alarm, prompting are carried out in picture, guidance technology personnel carry out the adjustment of correlation.
Further, controlled not enough accurately to solve the coke oven temperature of prior art, the invention also discloses a kind of burnt
Baking oven stove intelligent temperature control method, comprises the following steps：
Coke oven temperature data acquisition：Multiple thermocouples are distributed in the temperature detecting point on coke oven, realize making Coke Oven Workers
During temperature detection and the temperature data of detection is transmitted to Analog input mModule using compensating wire；
Coke oven pressure data is gathered：Pressure transmitter is distributed at the pressure detecting point of the pusher side of coke oven, coke side, is realized
Measurement to coke oven machine side and the baker gas pressure of coke side, and the pressure signal of detection is transmitted to Analog input mModule；
Analog input mModule is connected by RS485/232 modular converters with host computer, RS485/232 modular converters
Also be connected with analog output module, analog output module and be arranged on coke oven coke side, pusher side coal gas pressure regulator valve phase
Even；
Computer controls：Temperature during host computer works coke oven is compared with setting value, when temperature with
Aperture when setting value is inconsistent according to coal gas pressure regulator valve is opened with the pressure dependence corresponding coal gas pressure regulator valve of regulation
Degree, and then control as-fired coal gas total amount finally to realize the control to temperature.
Further, above-mentioned control method of the invention additionally uses following technical scheme：When temperature is consistent with setting value
When, coal gas pressure regulator valve is failure to actuate；
When temperature and setting value are inconsistent, if actual temperature is higher, coal gas pressure regulator valve is closed automatically, otherwise, coal
Atmospheric pressure control valve opening increases.
Beneficial effects of the present invention：
Heatingup of coke oven battery data acquisition and control method and device of the present invention can effectively reduce baker cost, be that baker process is carried
For the technological means of science, meaning is very great.For country, it is to avoid the wasting of resources, nation-building resource has been responded
The call of conservation-minded society；For the enterprise for needing heatingup of coke oven battery, it is not necessary to consider furnace system software and hardware purchase and
The time spent in development, it is to avoid waste substantial amounts of human and material resources.
Brief description of the drawings
Fig. 1 system architecture diagrams of the invention；
Fig. 2 temperature control flow figures of the invention；
Fig. 3 power supply supply connection figures of the invention；
Fig. 4 upper computer software passages of the invention set schematic diagram；
Fig. 5 analog quantity wiring connection diagrams of the invention；
Fig. 6 baker combustion gas console parameter interface schematic diagrames of the invention.
Specific embodiment：
The present invention is described in detail below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of heatingup of coke oven battery intelligent temperature control system, including：Computer, printer, RS485/232 turn
The compositions such as mold changing block, Analog input mModule, analog output module, live thermocouple, pressure transmitter, automatic regulating valve.
As shown in Fig. 2 a kind of heatingup of coke oven battery intelligent temperature control method, comprises the following steps：
The basic procedure of control：Thermocouple detects that the temperature → control system of actual peephole judges actually detected temperature
Whether consistent with predetermined temperature → automatic regulating valve automatically adjusts the size of coal gas amount according to actual conditions.
The present invention is with the distinctive points of domestic current baker control technology：
1st, computer heating control curve according to national refractory brick Quality Supervision and Inspection Center test data (expansion rate of refractory brick,
Crystal transition point) to draw, Main Function is to instruct the newly-built safe baker operation of coke oven, is steadily heated up according to curve so that fire resisting
Brick is obtained uniform, slow and fully expanded, it is to avoid refractory brick is damaged because of thermal stress concentration or crystal transition, so that burnt
Stove safe operation improves its service life simultaneously；
2nd, actual industrial process control procedure is with reference to, database is introduced, data is mainly previous experiments room in database
The refractory brick crystal transition temperature spot of detection, preset temperature point, live thermocouple real time temperature test point (chamber temperature, storage
Hot cell temperature, double-edged fine-toothed comb brick temperature, main chimney flue temperature, bottom flue temperature, resistance wall temperature), gas pressure test point, time point
Deng；Each time period (being a time period according to every 1 hour) needs to rise during calculating baker according to computer heating control curve
The parameters such as temperature, Site Detection temperature, gas pressure, the gas flow of temperature, establish coal gas baker heating model, it is therefore an objective to real
Control gas flow is precisely now adjusted according to the actually detected temperature in scene so that actual oven drying temperature is according to computer heating control curve
Steadily carry out, it is ensured that baker safety；
3rd, the coke making process technologies such as coke oven construction feature, coke oven heating mode, coking technique main points of maintenance are combined, to adopting
The data of collection carry out " big data " intellectual analysis, and in picture carry out intelligent alarm, prompting in time, and guidance technology personnel carry out phase
The adjustment of pass.
One aspect of the present invention carries out theoretical point of coke oven by monitoring and the baker process of all kinds of coke oven type of furnaces of network analysis
Analyse, study to support energy-conservation and longevity theoretical；On the other hand feature is controlled according to heatingup of coke oven battery, takes into full account computer, automatic
Change organic knot of control and coke making process (computer heating control, refractory brick expansion characteristics, coke oven construction feature, coke oven heating mode etc.)
Close：
(1) computer heating control
Different model, the refractory brick expansion rate of different manufacturers, crystal transition point are different, are that this needs fire resisting before baker
Brick sample is sent to national refractory brick Quality Supervision and Inspection Center experiment, and draws out computer heating control curve；
(2) coke oven construction feature
The refractory brick material of coke oven different parts is also had nothing in common with each other, and expansion rate, crystal transition point are also different, therefore exist respectively
Combustion chamber, regenerator, double-edged fine-toothed comb brick, main chimney flue, bottom flue, resistance wall are provided with electric thermo-couple temperature test point, gather each position
Real time temperature；
In the controls, target control temperature is pre-set according to heating curves, while control system collection is arranged in
The real time temperature of each temperature detecting point detection at scene is realized being precisely controlled in time.
Lead to the research of the measurement furnace body temperature of the coke oven of multipair various models, it is more convenient to being found after the treatment of mass data
Succinct heatingup of coke oven battery heating technique.
Characteristic by understanding coke oven body interior composition material and its various refractory brick in depth of the invention, it is resistance to according to country
Firebrick Quality Supervision and Inspection Center sets up baker heating process data to the swelling rate test table of coke furnace building silica brick sampling test
Temperature control mathematics is set up in storehouse, and the relevant technical requirements of combination temperature, gas pressure, automatic regulating valve, COMPREHENSIVE CALCULATING, exploration
Model, develops coke oven temperature intelligent controlling device, scientific guidance heatingup of coke oven battery heating technical process.
The a set of structuring of present invention exploitation, reusable control system product, and to the enterprise to there is baker to need
Open this system, completes predetermined baker plan.The automatic accurate baker of coke oven is realized, extends coke oven useful life, more science
Change, specialized Heating Process in Coke Oven be controlled.
How more than 400 test point that scene of the present invention is distributed in the diverse location of coking furnace shaft facilitates data acquisition and shows
Field installation, reduces cable laying amount as far as possible, reduces the decay of signal, is more beneficial for the investigation of field failure and repairs more
Problem is changed, more than 400 Temperature records of temperature measuring point, the display of this system needs is completed.
In-site modeling amount input module of the present invention passes through RS485/232 modular converters and upper meter with analog output module
Calculation machine is connected.Data are passed by communication module by the temperature that will collect of Analog input mModule at scene, gas pressure
It is defeated in host computer, field data is shown by computer software IFIX, processed, stored.
The drawbacks of present invention also occurs to solve traditional baker pattern, using advanced industrial control software IFIX, with reference to DDE,
The computer technologies such as EXCEL, using IFIX monitoring softwares provide it is various develop function, realize system monitoring, temperature return
Road control (the serials control loop of the composition such as peephole actual temperature, gas pressure, automatic regulating valve), mathematical operation, alarm
The cumbersome problems of these complexity such as prompting, trend curve, report printing.The company of IFIX and Excel is realized by DDE communication modes
Connect, while the Vi sual Bas ic Script Programming environment provided using IFIX, realizes more complicated control algolithm and intelligence
Can control function, regularly preservation, the printing etc. of oven drying temperature form.
Each monitoring point access control system of baker is carried out centralized displaying, control by apparatus of the present invention by IFIX, is had
Effect, each monitoring point during baker is controlled in time, the high frequency for farthest mitigating oven drying temperature floats and becomes
Change, it is ensured that the security in the service life and use of coke oven；Realize that oven drying temperature alarm and historical trend show.
According to coke oven technique, typically according to coke oven center line thick division, pusher machine or charging car side are pusher side, some uses
Coaling on coal-charging pusher machine, some use tops；Coke guide or coke quenching cart side are coke side.Apparatus of the present invention need to coke oven machine side and
2 dynamics of pressure measurement point of baker coal gas of coke side are recorded, show, automatically adjusted, it is ensured that pusher side and coke side baker coal gas pressure
(pressure and flow square are directly proportional the stabilization of power.In operation, to adjust pressure as means, for the purpose of regulation flow；
Finally realize controlling temperature by controlling the total amount of coal gas), it is ensured that control operation precision and promptness, reduce the throwing of cost of labor
Enter, can select to adjust manually or automatically adjust according to different situations to complete to automatically control both sides baker gas pressure
(typically setting 3.5KPa, the control of pressure is realized by regulating valve valve opening size), realizes automatic baker.
Having more than 400 temperature detecting point during baker needs temperature detection and display, and Site Detection point is distributed in and is up to
On more than 100 meters of coke oven, thermocouple uses K, E type, and 400 is branched altogether.Wherein predominantly detect：Standard combustion room is laterally discharged
Temperature, standard accumulation of heat room temperature, resistance wall temperature, standard bottom flue temperature, machine, coke side flue are laterally discharged in temperature, combustion chamber
And whole flue temperature.And signal transmission is carried out using compensating wire, it is prevented effectively from the interference and decay of signal.System and device will
More than 400, scene test point is distributed in 8 switch board wiring treatment, because site environment is more severe, in order to preferably ensure
The reliability of heatingup of coke oven battery control system, switch board increased sealing and rain cover.
8 switch boards are connected to one by the Fieldbus Control strategy that the system device is used by live 485 bus
Rise, by 485 turn of 232 communication mode, transfer data to host computer concentrated controling management.
For the power supply of Guarantee control system, system power supply employs uninterrupted power source UPS (10KVA, 30 minutes), fully
The promptness and stability of Guarantee control system monitoring.Because data acquisition and processing (DAP) module operating voltage used is 24V, each
The control cabinet stood configures 1 double-pole switch built with 1 24V power transfer module, realizes that the power supply of this control cabinet is powered guarantor
Shield.Electric power system is as shown in Figure 3.
The software section of heatingup of coke oven battery control system uses configuration software：IFIX 5.0, e-text software：Excel、
4000-5000utility module configurators, automatic process control system system running environment is the Hes of Chinese edition WINDOWS 7
IFIX control programs.If being programmed realization, the quantities meeting of finished item using conventional C or java in software section
Very huge, required function during baker difficult to realize, device employs the ADAM4000 series modules for grinding China, so
Also using and grind the supporting 4000-5000utility module configurators of China.
This heatingup of coke oven battery control device includes verification test and operation two parts, and the function of detection part is：Acquisition and recording
The processes such as coke oven body peephole temperature, pusher side coke side gas pressure detect parameter；The function of control section：By controlling to enter
Gas flow in coke oven reaches control as-fired coal gas total amount with pressure, and the pressure and flow of gas are closed loop controls in stove
System, the height according to temperature adjusts gas flow at any time.IFIX monitoring softwares include substantial amounts of program effect, can operate internal returning
Shared, the UNICOM of connection external wiring terminal of device amount and closing capacity is held, simply monitoring, temperature of the completion system to test point
Circuit controls, the mathematical operation of mass data, the alarm of abnormal temperature, automatic printing form of bottom valve door etc..IFIX is same
When Visual Basic Script Programming environment is provided, can conveniently realize more complicated control algolithm, realize intelligent control function, make
Control program must be designed easier.
On the platform of IFIX industrial control softwares, DATABASE databases are applied, realize and each passage is defined
Function, as shown in figure 4, input label name in " Tag Name ", this tag name corresponded in live thermocouple test point,
And each name is unique；" Type " is types of variables, and interim " AI " is analog input；" Description " is right
The explanation and description of Site Detection point." Scan Time " is sweep time, generally determines the scan period for 1s；" I/O Dev " is I/
The hardware device of O；" I/O Addr " is that hardware address defines the corresponding Site Detection point of each module channels, the address with it is existing
Field device is also one-to-one, and each address is unique；" Curr Value " be Site Detection point real-time detection value i.e.
The temperature or pressure of measurement.
Because the field work environment temperature of Coke Oven Heating-up System is all very high, system also needs to process substantial amounts of data, because
This can greatly increase the probability of system jam, and thermocouple is easily damaged, and the baker time limit is long, be damaged during baker
The possibility that bad thermocouple transmits wrong data is also higher.To solve the problem, to system there is provided powerful intelligence from
Dynamic warning system.When system breaks down, meeting automatic spring alarm dialog box reminds operating personnel to be processed.Collect
Wrong temperature it is typically very big with other correct temperature deviations, so relatively may determine that collection with mean temperature by it
Whether temperature is correct.When wrong temperature is collected, displays temperature can occur the change of color, the mistake that warning system will occur
Part of causing delay is recorded, and is made error report and is easy to the inquiry of failure and the maintenance of system, and All Alerts information is converged
The record of the General Logistics Department.
Using the form automatic printing Functional Design of DDE technologies, during baker, can all there is substantial amounts of number all the time
According to treatment is needed, as the printing of form, the treatment of data with preserve, but IFIX Shortcomings in terms of processing data, and
Using nor easily, therefore device is the other application programs by computer.In connections of the IFIX with auxiliary software
The communication mode of DDE has obtained sufficient application, and DDE is Dynamic cata exchange, for the dynamic number under Windows running environment
According to exchange agreement, information processing is carried out on the server, by client computer obtain the program of information, i.e., two between mutually send and
Receive data.Need per hour to record scene temperature data during baker, record content also needs to printing and achieves, and passes
Manual hand manipulation's mode of system is not only cumbersome but also waste of manpower and easily error.Excel on selection windows platforms is used as auxiliary
Help software.The opening of baker data record, printing are realized on Excel, is preserved, it is timing automatic by scene temperature and Gas Flow
Amount data-printing is out.DDE technologies are used in baker form, the variable data in IFIX databases is sent to Excel, side
Just the information efficiently realized between IFIX databases and Excel is mutually passed.
The display of drying out curve is made, and the function of IFIX prediction development is applied during baker, be have developed theory
The function that drying out curve is showed by figure line simultaneously with actual drying out curve, the great Operating Guideline meaning of this advantage.In order to
Make temperature and ideal temperature curves, it would be desirable to which temperature curve data imported into forming curves figure in IFIX, then will be actual
Temperature carries out record in IFIX and is compared with ideal temperature curve, by the baking of theoretic drying out curve and execute-in-place
Stove curve is compared at same interface so that both difference are more directly perceived, more vivid, and technologist can be according to this
Function analyzes the gap of Current Temperatures and theoretical temperatures, timely carries out regulation and control amendment to temperature, reaches to coke oven highest matter
Measure the requirement of baker.
The software modification design function of test point, is slightly different to adapt to the distribution of coke oven monitoring point of different model,
The distribution of the coke oven monitoring location according to different model can carry out software modification design to the configuration of the position of test point.For example certain
The terminals of individual module break down to be needed to be connected to the point on other terminals, it is necessary to which the test point on its software is repaiied
Changing could correctly show the temperature.
The treatment of temperature parameter, needs to process the temperature data of some of them key position in baker, but IFIX
Shortcomings are, it is necessary to using computer come aid in treatment data on data are calculated.Appliance computer quick and precisely processing data
Advantage complete the calculating of various pieces parameter during baker, furnace technology person can in time have found temperature during baker
There is the detection position of abnormal temperature in change, in time treatment, improves work human efficiency, saves the time of technical staff.Dry
The parameter that stove process has several keys needs to obtain, such as full stove mean temperature, combustion chamber overall average temperature, per stove mean temperature
Deng, baker situation is totally understood in order to operative employee, due to IFIX in processing data Shortcomings, used in data communication
Dynamic data agreement on windows platforms is with EXCEL be connected IFIX by DDE, is carried out to EXCEL from IFIX incoming datas
Calculate.
To avoid wasting the excessive time with energy in algorithm development, device directly have chosen the regulation being widely used
Device control law ratio, integration, differential control, abbreviation PID control, also known as PID regulations.In the present apparatus, regulation mainly passes through
Control is installed in coke oven coke side, the coal gas pressure regulator valve control gas flow of pusher side.The aperture of valve is with pressure dependence：Valve is opened
Degree is small, and gas pressure is raised；Valve opening is big, gas pressure reduction.
The Stress control regulating valve of coke oven machine Jiao both sides employs electric control valve, band valve opening feedback.Feedback current 4
~20mA accesses analog module, and 4~20mA of control electric current accesses analog output part.3051 type pressure transmitters gather coal
, be sent to pressure signal in computer by simulation input amount module by the pressure of feed channel, by leading to after the regulation of pid algorithm
Cross analog output module and send the electric signal of 4-20mA to aperture that electromagnetism coal gas pressure regulator valve carrys out control valve.Scene
Principle wiring sketch is as shown in Figure 5.
In the debugging of IFIX temperature, the technological requirement selection according to baker uses PID control, is provided with industrial control software
Platform easily can set friendly control interface attractive in appearance to regulation picture.By double-clicking on workbench picture in IFIX
Regulating valve button, easily recalls PID control regulation picture, and pressure value at that time is set according to field condition and temperature requirement
And parameter, under normal circumstances, the pressure requirements for automatically controlling can be just met using PI controls.But due to coal gas oven pipeline compared with
(about 130 meters) long, simple PI controls can not meet the requirement for automatically adjusting, and then employs PID and automatically controls, parameter difference
It is defined as P:1.25、I：0.85、D:0.25, it is possible to achieve advanced reaction regulation, eliminate the concussion that gas pressure wave zone comes
Influence, realizes that the pressure of baker coal gas is steady.
As shown in fig. 6, there is provided combustion gas console interface, can carry out random selection to the control mode of combustion gas, having
Traditional manually field control mode, also there is the automatic control mode based on pid algorithm control system, can be according to scene
Different situations, flexible replacing selection.Can also to some local main portions for example combustion gas main pipeline, pusher side pipeline,
The valve opening of coke side pipeline and the statistics of gaseous-pressure are especially managed.To ensure the perfectly safe of baker process.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.
Claims (10)
1. a kind of heatingup of coke oven battery intelligent temperature control system, it is characterized in that, including：The temperature detecting point on coke oven is distributed in, is used
The detection of temperature and the temperature of detection transmitted to analog input mould using compensating wire during realizing making Coke Oven Workers
Block；
And the pressure detecting point of the pusher side of coke oven, coke side is distributed in, for realizing the baker coal gas pressure to coke oven machine side and coke side
The measurement of power, and the pressure signal of detection is transmitted to Analog input mModule；
Analog input mModule is connected by RS485/232 modular converters with host computer, RS485/232 modular converters also with
Analog output module is connected, and analog output module is connected with the coal gas pressure regulator valve installed in coke oven coke side, pusher side；
Temperature during host computer works coke oven is compared with setting value, the root when temperature and setting value are inconsistent
According to the aperture of aperture and the pressure dependence corresponding coal gas pressure regulator valve of regulation of coal gas pressure regulator valve, and then control as-fired coal
Gas total amount finally realizes the control to temperature.
2. a kind of heatingup of coke oven battery intelligent temperature control system as claimed in claim 1, it is characterized in that, examined during coke oven work
The temperature of survey includes laterally discharging temperature, standard accumulation of heat room temperature, resistance wall to standard combustion room transverse direction exhaust temperature, combustion chamber
Temperature, standard bottom flue temperature, machine, coke side flue and whole flue temperature.
3. a kind of heatingup of coke oven battery intelligent temperature control system as claimed in claim 1 or 2, it is characterized in that, live coke oven work
During temperature detecting point detection signal packet transmit to multiple switch boards realize wiring process.
4. a kind of heatingup of coke oven battery intelligent temperature control system as claimed in claim 3, it is characterized in that, the switch board is using close
Seal apparatus and rain cover.
5. a kind of heatingup of coke oven battery intelligent temperature control system as claimed in claim 3, it is characterized in that, the switch board is not using
Uninterruptible power UPS powers, and uninterrupted power source UPS is respectively connecting to the sub switch of each switch board by master switch, each control
The alternating current of the 220V from uninterrupted power source UPS is converted to 24V electricity by cabinet in advance built with 1 24V power transfer module
Source, powers to switch board.
6. a kind of heatingup of coke oven battery intelligent temperature control system as claimed in claim 1, it is characterized in that, the host computer is adopted
Configuration software is IFIX monitoring softwares, and IFIX monitoring software application DATABASE databases, IFIX monitoring softwares use dynamic
State data protocol is that DDE is connected with EXCEL, is calculated from IFIX monitoring softwares incoming data to EXCEL.
7. a kind of heatingup of coke oven battery intelligent temperature control system as claimed in claim 1, it is characterized in that, the gas pressure regulation
Valve employs electric control valve, and the electric control valve band valve opening is fed back, and 4~20mA of feedback current accesses analog input
Module, 4~20mA of control electric current accesses analog output module, and pressure transmitter gathers the pressure of gas piping, by simulation
Be sent to pressure signal in host computer by input quantity module, by passing through analog output module after the regulation of pid algorithm
Send the electric signal of 4-20mA to aperture that electromagnetism coal gas pressure regulator valve carrys out control valve.
8. a kind of heatingup of coke oven battery intelligent temperature control system as claimed in claim 1, it is characterized in that, the host computer sets
Intelligent automatic alarm system is equipped with, the Faulty Temperature for collecting is very big with other correct temperature deviations, intelligent automatic alarm system
May determine that whether collecting temperature is failure and alarm indication by the way that collecting temperature is compared with mean temperature.
9. a kind of heatingup of coke oven battery intelligent temperature control system as claimed in claim 1, it is characterized in that, the host computer according to
According to national refractory brick Quality Supervision and Inspection Center to the swelling rate test table of coke furnace building silica brick sampling test, baker heating is set up
Process database, and combination temperature, gas pressure, automatic regulating valve technical requirements, set up temperature control Mathematical Modeling, draw
Computer heating control curve, the precise and stable control to temperature is realized according to computer heating control curve.
10. a kind of heatingup of coke oven battery intelligent temperature control method, it is characterized in that, comprise the following steps：
Coke oven temperature data acquisition：Multiple thermocouples are distributed in the temperature detecting point on coke oven, realization makees process to Coke Oven Workers
The detection of middle temperature is simultaneously transmitted to Analog input mModule the temperature data of detection using compensating wire；
Coke oven pressure data is gathered：Pressure transmitter is distributed at the pressure detecting point of the pusher side of coke oven, coke side, focusing is realized
The measurement of the baker gas pressure of stove pusher side and coke side, and the pressure signal of detection is transmitted to Analog input mModule；
Analog input mModule is connected by RS485/232 modular converters with host computer, RS485/232 modular converters also with
Analog output module is connected, and analog output module is connected with the coal gas pressure regulator valve installed in coke oven coke side, pusher side；
Computer controls：Temperature during host computer works coke oven is compared with setting value, when temperature and setting
Aperture and the aperture of the pressure dependence corresponding coal gas pressure regulator valve of regulation when being worth inconsistent according to coal gas pressure regulator valve, enter
And control as-fired coal gas total amount finally to realize the control to temperature；
Further, when temperature is consistent with setting value, coal gas pressure regulator valve is failure to actuate；
When temperature and setting value are inconsistent, if actual temperature is higher, coal gas pressure regulator valve is closed automatically, otherwise, coal gas pressure
Force regulating valve aperture increases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025185.5A CN106774515B (en) | 2017-01-13 | 2017-01-13 | A kind of heatingup of coke oven battery intelligent temperature control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025185.5A CN106774515B (en) | 2017-01-13 | 2017-01-13 | A kind of heatingup of coke oven battery intelligent temperature control system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106774515A true CN106774515A (en) | 2017-05-31 |
| CN106774515B CN106774515B (en) | 2018-01-12 |
Family
ID=58945390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710025185.5A Active CN106774515B (en) | 2017-01-13 | 2017-01-13 | A kind of heatingup of coke oven battery intelligent temperature control system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106774515B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543425A (en) * | 2017-07-07 | 2018-01-05 | 无锡斯贝尔磁性材料有限公司 | A kind of furnace atmosphere Auto-Test System |
| CN108225964A (en) * | 2017-12-27 | 2018-06-29 | 辽宁科技大学 | A kind of coking coal prefiring device and water analysis go out dynamic measurement system |
| CN111076193A (en) * | 2019-12-17 | 2020-04-28 | 浙江天地环保科技有限公司 | Automatic adjusting and controlling system and method for temperature of combustion chamber of heat accumulating type thermal oxidation furnace |
| CN111351591A (en) * | 2020-03-31 | 2020-06-30 | 中冶焦耐(大连)工程技术有限公司 | Automatic acquisition method for central temperature of coke cake of coke oven |
| CN111534308A (en) * | 2020-05-08 | 2020-08-14 | 马鞍山钢铁股份有限公司 | Method for controlling temperature of ultrahigh coke oven |
| CN113434519A (en) * | 2021-08-26 | 2021-09-24 | 西安热工研究院有限公司 | Method, system and storage medium for updating label names of measuring points |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472518A (en) * | 2002-07-31 | 2004-02-04 | 宝山钢铁股份有限公司 | Temperature determining system and method for drying cokery |
| CN101781574A (en) * | 2009-01-19 | 2010-07-21 | 中冶成工上海五冶建设有限公司 | Automatic monitoring system for oven drying temperature of coke oven |
| CN201654526U (en) * | 2010-02-02 | 2010-11-24 | 中钢集团鞍山热能研究院有限公司 | PLC control system of coke oven for coal gas heating test |
| CN102221111A (en) * | 2011-03-28 | 2011-10-19 | 南京梅山冶金发展有限公司 | Temperature control pressure valve and temperature control pressure valve for coke oven |
| CN102520747A (en) * | 2011-11-23 | 2012-06-27 | 中国三冶集团有限公司工业炉工程公司 | Coke oven temperature and pressure automatic monitoring oven control system |
| CN204114899U (en) * | 2014-08-27 | 2015-01-21 | 杭州德联科技股份有限公司 | A kind of combustion coke-stove gas steam boiler control system |
-
2017
- 2017-01-13 CN CN201710025185.5A patent/CN106774515B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472518A (en) * | 2002-07-31 | 2004-02-04 | 宝山钢铁股份有限公司 | Temperature determining system and method for drying cokery |
| CN101781574A (en) * | 2009-01-19 | 2010-07-21 | 中冶成工上海五冶建设有限公司 | Automatic monitoring system for oven drying temperature of coke oven |
| CN201654526U (en) * | 2010-02-02 | 2010-11-24 | 中钢集团鞍山热能研究院有限公司 | PLC control system of coke oven for coal gas heating test |
| CN102221111A (en) * | 2011-03-28 | 2011-10-19 | 南京梅山冶金发展有限公司 | Temperature control pressure valve and temperature control pressure valve for coke oven |
| CN102520747A (en) * | 2011-11-23 | 2012-06-27 | 中国三冶集团有限公司工业炉工程公司 | Coke oven temperature and pressure automatic monitoring oven control system |
| CN204114899U (en) * | 2014-08-27 | 2015-01-21 | 杭州德联科技股份有限公司 | A kind of combustion coke-stove gas steam boiler control system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543425A (en) * | 2017-07-07 | 2018-01-05 | 无锡斯贝尔磁性材料有限公司 | A kind of furnace atmosphere Auto-Test System |
| CN108225964A (en) * | 2017-12-27 | 2018-06-29 | 辽宁科技大学 | A kind of coking coal prefiring device and water analysis go out dynamic measurement system |
| CN111076193A (en) * | 2019-12-17 | 2020-04-28 | 浙江天地环保科技有限公司 | Automatic adjusting and controlling system and method for temperature of combustion chamber of heat accumulating type thermal oxidation furnace |
| CN111351591A (en) * | 2020-03-31 | 2020-06-30 | 中冶焦耐(大连)工程技术有限公司 | Automatic acquisition method for central temperature of coke cake of coke oven |
| CN111534308A (en) * | 2020-05-08 | 2020-08-14 | 马鞍山钢铁股份有限公司 | Method for controlling temperature of ultrahigh coke oven |
| CN113434519A (en) * | 2021-08-26 | 2021-09-24 | 西安热工研究院有限公司 | Method, system and storage medium for updating label names of measuring points |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106774515B (en) | 2018-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106774515B (en) | A kind of heatingup of coke oven battery intelligent temperature control system and control method | |
| CN105137947A (en) | Intelligent control and management system for coke oven | |
| CN101117659B (en) | Full-hydrogen hood-type annealing furnace control system | |
| CN101509812B (en) | Soft measurement method for billet temperature distribution in smelting and heating-furnace | |
| CN102053562B (en) | Cracking furnace exit temperature hybrid control method | |
| CN2898789Y (en) | Non-contacting on-line measuring system of coke-oven fire channel temperature | |
| CN109385285B (en) | Coke oven self-heating optimizing system | |
| CN102637020B (en) | A kind of steel rolling heating furnace integrated control system | |
| CN112859780B (en) | Thermal power plant intelligent combustion control method based on cloud data and cloud computing | |
| CN109886471A (en) | Fired power generating unit load distribution method based on neural network and intelligent optimization algorithm | |
| CN109185917A (en) | A kind of boiler combustion status inline diagnosis method and system based on flame intensity signal | |
| CN113070993A (en) | Intelligent temperature-changing steam curing system | |
| CN104315842B (en) | A kind of heater control system of converter waste heat generating system | |
| CN208521174U (en) | A kind of thermal power plant's electric heat storage peak regulation control integrated system | |
| CN102020996A (en) | Automatic heating control method for coke oven | |
| CN106873377A (en) | Coke oven heating-combustion process fire path temperature Automatic adjustment method under uncertain disturbance | |
| CN107382045A (en) | A kind of glass plate steel process course control method for use | |
| CN111156830A (en) | Automatic temperature control system for carbon pot-type calcining furnace | |
| CN111647715A (en) | Scrap steel preheating control system and control method | |
| CN108594782A (en) | Periodic aluminium coiled material n 2 annealing stove intelligent self-diagnosing system | |
| CN115579072A (en) | Intelligent water quality monitoring control system and method for heat supply pipe network | |
| CN202075248U (en) | Analysis system for maturity degrees of cokes in coke oven | |
| CN104090557A (en) | Decarburization furnace information system based on field bus elements and control method thereof | |
| CN110205147A (en) | Coke oven heating coal gas single tube intelligence control system | |
| CN117821084A (en) | Automatic monitoring system and method for coking heat consumption of coke oven |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |