CN202394083U - Process industry pipe network system, monitoring system of steam system and process industry steam system - Google Patents
Process industry pipe network system, monitoring system of steam system and process industry steam system Download PDFInfo
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Abstract
The utility model provides a process industry pipe network system, a monitoring system of a steam system and a process industry steam system. The monitoring system of the process industry pipe network system includes a man-machine interface module, a relational data base, a real time data base and a working condition judging module, and can detect abnormal events and working condition operation information such as working condition state and the like of the pipe network system automatically. The monitoring system of the process industry pipe network system provides functions of onsite parameter monitoring, energy parameter monitoring, pipe network operation state judging and the like for monitoring workers. The monitoring system of the process industry pipe network system can be used for the assistance of the regulation of the pipe network system and provides a technical guarantee for the realization of the timeliness, economical efficiency and safety performance of the operation and/or regulation for the monitoring and regulating workers.
Description
Technical field
The utility model relates to the supervisory system of process industry pipe network system, and particularly the supervisory system of process industry vapour system also relates to the process industry vapour system.
Background technology
Widely used various energy medium in the process industry; Such as the coal gas of water, steam, iron and steel enterprise, the Device in Gas of chemical enterprise etc.; All transmit through pipe network; And on pipe network, all can connect corresponding apparatus, these equipment are responsible for producing, consume, transform the energy medium transmitted or it is carried out other kinds processing operation.Can the various device that be connected on the transmission pipe network of energy medium and the pipe network be called pipe network system, like vapour system in the public work etc.The common feature of pipe network system is the pipe network more complicated, and device type and quantity are more, and the produced on-site parameter is many, and the difficulty of artificial directly monitoring is big.Several kinds of typical media of following brief account and corresponding pipe network and equipment.
Steam is process industry important energy media such as chemical industry, metallurgy, and steam produces through fuel (such as coal, rock gas, fuel oil etc.) burning heat release, and steam can be used as heat exchange or explained hereafter medium, also can drive generator for electricity generation or drive other equipment actings.
Be the complicacy that example is introduced pipe network system below with the vapour system.Vapour system is the part of enterprise's public work, and it is made up of steam pipe system and steaming plant, and for the production of enterprise provides the steam of each pressure rating, Fig. 1 has provided the synoptic diagram of the vapour system of a simplification.Can be divided into different pressure ratings to steam pipe system according to vapor pressure in the steam pipe system with temperature; Vapour system among Fig. 1 comprises three grades of steam pipe systems: HP steam pipe network (10.0MPa; 530 ℃), MP steam pipe network (3.8MPa, 400 ℃) and LP steam pipe network (0.5MPa, 190 ℃).Steaming plant comprises general steaming plant and produces consumption steam process equipment.Produce consumption steam process equipment and comprise consumption steam process equipment (like process equipment among Fig. 11,2 and 4) and byproduct steam process equipment (like process equipment among Fig. 13 and 5).General steaming plant on the steam pipe system comprises boiler, turbine, pressure and temperature reducing station, atmospheric valve etc.Boiler is the equipment of steaming, and the thermal efficiency of different boilers is different, and same boiler thermal efficiency under different load also is different.Two boilers of producing HP steam have been provided among Fig. 1: A boiler and B boiler.Turbine is consumption vapour acting equipment, process equipments such as the steam acting generating of entering turbine or Driven Compressor.Extract out from the turbine intergrade part steam acting back in the steam-extracting type turbine, incorporates the steam pipe system of low-lying level into.The steam discharge type of turbine is divided into two kinds: back pressure type and condensing-type.The steam pipe system that the steam that the back pressure type turbine is discharged is incorporated low-lying level into continues to use; Condensing turbine also is condensing turbine, recycles after the steam condensation of its discharge.For the generating turbine of extraction condensing type, total throttle flow, the amount of drawing gas of turbine can be regulated as required, and the generated energy of generator also changes thereupon.The 1# turbine is the secondary condensing turbine that draws gas among Fig. 1, drives generator for electricity generation, once draws gas and incorporates the MP steam pipe network into, and secondary draws gas and incorporates the LP steam pipe network into, and condensate water gets into condensing water conduit; The 2# turbine is the condensing turbine that once draws gas, and drives generator for electricity generation, once draws gas and incorporates Medium Pressure Steam Pipeline into; The 3# turbine is a condensing-type, the Driven Compressor acting; The 4# turbine is the condensing that once draws gas, and the Driven Compressor acting is once drawn gas and incorporated the LP steam pipe network into.The pressure and temperature reducing station is a steam energy level conversion equipment, and it is installed between the different energy level pipe networks, is the steam temperature reducing and pressure reducing of high level the steam of low-lying level, and the effect at the 1# pressure and temperature reducing station among Fig. 1 is to be the HP steam pressure and temperature reducing MP steam; The effect at 2# pressure and temperature reducing station is to be the MP steam pressure and temperature reducing LP steam.The pressure and temperature reducing process has reduced the acting ability of steam, should reduce the pressure and temperature reducing amount to reduce energy resource consumption as far as possible.Atmospheric valve directly is discharged into the steam in the pipe network in the atmosphere; It is the pressure conditioning equipment of steam pipe system; 1# atmospheric valve among Fig. 1 is used for regulating the MP steam ductwork pressure, and the 2# atmospheric valve is used for regulating LP steam pipe network pressure, should reduce the emptying amount to reduce energy resource consumption as far as possible.
Water also is workflow industry energy medium commonly used, can be divided into several types such as desalted water, condensate water, fire water and life water according to the purposes of water.Wherein desalted water is that former water is used to produce steam after treatment, and the equipment that connects on its pipe network comprises force (forcing) pump, boiler, turbine condenser, oxygen-eliminating device, heat interchanger and water disposal facility etc.Force (forcing) pump is given the pressurization of the desalted water in the pipe network, makes desalted water in pipe network, to flow; Heating makes it become steam to boiler to desalted water; The steam that the turbine condenser makes turbine discharge is condensed into liquid and recycles; Oxygen-eliminating device is through reducing the oxygen content of desalted water to feeding steam in the desalted water; The effect of heat interchanger is to the desalted water heating or reclaims the waste heat of condensate water (can be used as desalted water uses); Water disposal facility mainly carries out biochemical treatment to the desalted water of former water and recovery, makes it satisfy the requirement of desalted water.
The coal gas of iron and steel enterprise is a kind of important secondary energy medium, can be divided into coke-oven gas, blast furnace gas and coal gas of converter three major types, and these three types of coal gas can transmit separately and use, and also can mix back transmission and use.Wherein coke-oven gas is the highest gas types of calorific value, and the equipment on its pipe network comprises: coke oven, fan blower, gas holder, pressurizing point and all types of user.Coke oven is the unit that produces coke-oven gas, and coke oven itself also needs a part of coke-oven gas to carry out the heating of coke oven; Fan blower is that effect is a coal gas of extracting carbonizing chamber of coke oven out, makes it flow to cleaning procedure; Gas holder is the buffer unit of coke-oven gas, also plays the effect of stablizing the coke-oven gas ductwork pressure; Pressurizing point is the pressurized equipment of coal gas, is the power source of coal gas transmission; Common coke-oven gas user comprises gas fired-boiler, sintering machine etc.
At present in the monitor procedure of the pipe network system of all kinds of energy medium; Usually have two types of problems: 1, the various device quantity of process industry pipe network system is many, pipe network is complicated; Need the parameter amount of monitoring very big; Only depending on artificial directly monitoring is that main monitor mode is difficult in time, pinpoints the problems accurately, deals with problems, thereby is difficult to carry out correct scheduling.The quantity of parameters that the method for supervising of 2, mainly lean on manual monitoring, assisting with instrument relates to and a large amount of correlate meter; Workload is big; And the monitor staff can only see the variation of parameter value and parameter, and is difficult in time, correctly understand the reason of parameter generating or variation, thereby is difficult in time pinpoint the problems; Unnecessary economic loss maybe be caused, even serious security incident maybe be produced.
The utility model content
The utility model provides a kind of supervisory system that is used for the pipe network system of various energy medium (comprising steam, coal gas, Device in Gas, water etc.); Can detect the operating mode operation information such as anomalous event, work condition state of pipe network system automatically, functions such as on-site parameters monitoring, energy parameter monitoring, the judgement of pipe network operation state are provided for the monitor staff.The supervisory system of process industry vapour system also is provided, and the process industry vapour system.
A kind of supervisory system of process industry pipe network system comprises human-machine interface module, relational database, real-time data base, operating mode judge module.
The operating mode judge module is connected with real-time data base, relational database, human-machine interface module;
Human-machine interface module is connected with real-time data base, relational database, operating mode judge module;
Real-time data base is connected with human-machine interface module, operating mode judge module respectively;
Relational database is connected with human-machine interface module, operating mode judge module.
Described supervisory system can also comprise historical data base, and said historical data base is connected with real-time data base with human-machine interface module.
Described supervisory system can also comprise dispatching system, and said dispatching system is connected with the operating mode judge module.
Described supervisory system can also comprise the energy computing module, and said energy computing module is connected with relational database, real-time data base.
Described supervisory system can also comprise that Optimization Model makes up module and seismic responses calculated module, and said Optimization Model makes up module and operating mode judge module, and the seismic responses calculated module connects.
Described supervisory system can also comprise the forecast model module, and said forecast model module makes up module with real-time data base, relational database, Optimization Model and is connected.
Said forecast model module can comprise the self-correcting module.
Said supervisory system can also comprise Reports module; Said Reports module generates vapour system operation form according to the cycle of setting, and is saved in confession inquiry use in real-time data base or the historical data base to form.
A kind of supervisory system of process industry vapour system is characterized in that, the supervisory system of said process industry vapour system is the supervisory system of one of above-mentioned process industry pipe network system.
A kind of process industry vapour system is characterized in that said process industry vapour system comprises the supervisory system of aforesaid process industry vapour system.
The technique effect of the utility model
The supervisory system of the utility model process industry pipe network system; Can detect the operating mode operation information of pipe network system automatically; Functions such as on-site parameters monitoring, energy parameter monitoring, the judgement of pipe network operation state are provided for the monitor staff; Can be used for the scheduling of auxiliary pipe network system, for monitoring, dispatcher realize that the promptness, economy and the security that move and/or dispatch provide technical guarantee.
The further scheme of the utility model starts dispatching system in real time when unusual service condition takes place, can be in time, the auxiliary dispatching personnel dispatch unusual service condition accurately.
The further scheme of the utility model and Optimization Model make up module and are connected with the seismic responses calculated module, make can be optimized calculating under the steady operating mode, provide prioritization scheme, have increased the practical value of supervisory system.
The supervisory system of the process industry vapour system of the utility model is the supervisory system of above-mentioned process industry pipe network system, the above-mentioned technique effect that therefore also has the supervisory system of said process industry pipe network system naturally.
The process industry vapour system of the utility model comprises the supervisory system of described process industry vapour system, the above-mentioned technique effect that therefore also has said supervisory system naturally.
Description of drawings
Fig. 1 is the vapour system synoptic diagram.
Fig. 2 a is the structured flowchart of an embodiment of the supervisory system of pipe network system.
Fig. 2 b is the structured flowchart of an embodiment of the supervisory system of pipe network system.
Fig. 3 a is steady operating mode determination methods synoptic diagram.
Fig. 3 b is the functional block diagram of supervisory system.
Fig. 4 a is an embodiment of method for supervising process flow diagram.
Fig. 4 b is an anomalous event judgment mechanism synoptic diagram.
Fig. 4 c is an embodiment of method for supervising process flow diagram.
Fig. 4 d is an embodiment of method for supervising process flow diagram.
Embodiment
Below in conjunction with accompanying drawing embodiment is elaborated.
Fig. 2 a and Fig. 2 b are the structured flowcharts of supervisory system, can find out the annexation between each module from Fig. 2 a and Fig. 2 b.
The utility model provides a kind of supervisory system that is used for the pipe network system of various energy medium (comprising steam, coal gas, Device in Gas, water etc.); Can detect the operating mode operation information such as anomalous event, work condition state of pipe network system automatically; Functions such as on-site parameters monitoring, energy parameter monitoring, the judgement of pipe network operation state are provided for the monitor staff; Realize the monitor data processing of pipe network system; And be shown to monitor staff and dispatcher to the result that obtains, to improve the promptness and the accuracy of scheduling.
The utility model comprises human-machine interface module, relational database, real-time data base, operating mode judge module; Can also according to circumstances optionally add energy computing module, Optimization Model structure module and seismic responses calculated module, be used for forecast model module, model self-correcting module and Reports module that energy medium is produced the consumption prediction, each several part connects as follows:
Human-machine interface module is connected with real-time data base, relational database, operating mode judge module; In order to the data (such as DCS real time data and historical data) of checking real-time data base; To relational database configuration and/or modification parameter, check, set and send execute exception incident judgment mechanism to the operating mode judge module and instruct; Said parameter comprises judgment rule of pipe network system parameter and threshold range thereof, anomalous event etc.Can also be through human-machine interface module configuration pipe network and facility information, anomalous event and judgment mechanism thereof, the prediction model parameters of energy computation model, energy medium product consumption, model self-correcting parameter etc.Certainly can also have greater functionality, such as when having Optimization Model and make up module and seismic responses calculated module, human-machine interface module can typing or display optimization scheme etc.
The operating mode judge module is connected with real-time data base, relational database, human-machine interface module, in order to execute exception incident judgment mechanism and/or judgement work condition state; Said work condition state comprises steady operating mode, unusual service condition and transient working condition; Said unusual service condition is meant the work condition state that at least one anomalous event takes place in the pipe network system; Said steady operating mode is meant that the operating mode that pipeline parameters all in the pipe network system and device parameter and variable quantity thereof are once judged by the anomalous event judgment mechanism in the threshold range of its steady operating mode of sign separately and on it is not the work condition state of unusual service condition; Said transient working condition is meant that the operating mode that pipeline parameters all in the pipe network system and device parameter and variable quantity thereof are once judged by the anomalous event judgment mechanism in the threshold range of its steady operating mode of sign separately but on it is the work condition state of unusual service condition, the work condition state that tends towards stability before promptly pipe network system reaches fully steadily after scheduling by unusual service condition; Said anomalous event is meant the incident that influences the pipe network system even running, and it is unusual to comprise that the pipe network system parameter takes place, and/or the incident that relates to a plurality of parameters of pipe network system takes place unusual; Said pipe network system parameter comprises that pipeline parameter and pipe network attend the parameter of institute's attached device; Said anomalous event judgment mechanism is meant the operating mode judge module detects successively according to anomalous event order and the anomalous event judgment rule set whether all said anomalous events take place in the pipe network system; And work condition state is recorded in the mechanism of work condition state position; Can comprise unusual service condition Rule of judgment, steady operating mode Rule of judgment; Can certainly comprise the transient working condition Rule of judgment; But it is, therefore also nonessential owing to the judgement of transient working condition can be confirmed according to unusual service condition Rule of judgment and steady operating mode Rule of judgment.Said work condition state position is in order to characterize the work condition state of pipe network system; Said anomalous event judgment rule comprises judges whether real time data meets the unusual condition of incident generation that corresponding pipe network system parameter unusual condition takes place and/or relates to a plurality of parameters of pipe network system.
If the anomalous event judgment mechanism according to being disposed detects anomalous event, judge that then pipe network system is in unusual service condition; If pipe network system is in transient working condition, can judge further then whether pipe network system is in steady operating mode.
(A) change working condition: after system's operation, system detects anomalous event in real time according to the unusual service condition Rule of judgment, and after detecting any anomalous event, then work condition state is defined as unusual service condition; The dispatcher dispatches processing according to detected anomalous event, and after artificial affirmation was finished dealing with, the current working setting state was a transient working condition, starts steady operating mode arbitration functions simultaneously, if satisfy the condition of steady operating mode, then work condition state changes steady operating mode over to.
(B) unusual service condition Rule of judgment
Carrying out unusual service condition according to anomalous event information in the parameter configuration module judges.After any anomalous event took place, operating condition all was set at unusual service condition.For the incident that relates to a plurality of parameters of pipe network system unusual situation takes place, can be resolved by following example: suppose to comprise A, B and three parameters of C in the judgement parameter of certain anomalous event X, judgment expression is " A>K
AOr B>K
BOr C<k
C", K wherein
A, K
BAnd K
CBe constant.If any establishment in the judgment expression, then judgment expression is true, judges that so anomalous event X takes place, and operating mode is judged to be unusual service condition.
(C) steady operating mode Rule of judgment
Carrying out steady operating mode according to steady operating mode judgement information judges.Steadily operating mode was carried out according to the cycle of setting; Begin to need to preserve the historical data that all judge parameter from this cycle to end; Calculate the mean value in this cycle of each parameter in the finish time in this cycle; If the history parameters in any judgement this cycle of parameter and the difference of its mean value judge so that greater than preset threshold (promptly characterizing the threshold range of steady operating mode) current working does not satisfy steady working condition.Get into the continuation of following one-period so and judge that concrete implementation is shown in Fig. 3 a.The parameter that is used for steady operating mode judgement can comprise the parameter and the main load parameter of producing of vapour system.
As explanation to the utility model; In actual production; Can function and the operating mode judge module of operating mode judge module and being connected of other module be set through PLC (Programmable Logic Controller); Such as the I/O module collection site data through PLC, in PLC, carry out the function of operating mode judge module, be stored in the work condition state position with the output result of PLC.PLC is connected other module or system,, trigger the function of the corresponding module that is connected with PLC or system's realization the utility model through the work condition state position such as dispatching system and/or energy computing module and/or Optimization Model structure module and/or forecast model module.The above-mentioned functions of operating mode judge module can certainly be realized through alternate manner,, or the function of operating mode judge module can both be realized through programmable hardware system such as the orderly connection of a plurality of simple functions modules.
Real-time data base is connected with human-machine interface module, operating mode judge module and pipe network system actual production data respectively, the actual production data (such as read DCS data etc. through the OPC mode) and/or the work condition state position of storage pipe network system; Requirement according to above-mentioned each module provides real time data and/or work condition state position.In real-time data base, can also store the anomalous event tabulation (or claiming the anomalous event record sheet) that is used for the anomalous event that record is taken place after execute exception incident judgment mechanism; Said anomalous event order is characterized by the anomalous event allocation list that is stored in the relational database; Whether said anomalous event judgment mechanism calls said anomalous event allocation list and takes place according to all anomalous events that the judgment rule of said anomalous event detects in the pipe network system successively; Said pipe network system parameter takes place to comprise that unusually pipe network system parameter and/or its variable quantity are outside the threshold range of its steady operating mode of sign separately; The said incident that relates to a plurality of parameters of pipe network system is expressed by logic between the pipe network system parameter and/or mathematic(al) representation or is set by manual work; The judgment rule of said anomalous event comprises judgment expression.
Relational database is connected with human-machine interface module, operating mode judge module, stores the parameter by human-machine interface module configuration and/or modification, and to the operating mode judge module said parameter is provided.Can also comprise predicting the outcome and model parameter that the model self-correcting is upgraded etc. of the form of energy parameter, the Reports module output of work information, the output of energy computing module of operating mode judge module output, forecast model that energy medium is produced consumption.
Further scheme can also comprise historical data base, and said historical data base is connected with real-time data base with human-machine interface module, according to setting cycle with the data storage of real-time data base in historical data base, so that the human-machine interface module enquiry of historical data.
Further scheme can also comprise dispatching system; Said dispatching system is connected with the operating mode judge module; When said work condition state position is characterized by unusual service condition, scheduling scheme is dispatched or provided to vapour system; And accomplish the back to operating mode judge module feedback scheduling information in scheduling, said schedule information comprises the information that characterizes the scheduling completion.
Further scheme can also comprise the energy computing module; Said energy computing module is connected with relational database, real-time data base; Correlation parameter in the call relation database calculates the energy parameter of pipe network and/or pipe network equipment, and energy result of calculation is stored in relational database.Such as, if said pipe network system is a vapour system, then the energy computing module can realize that the energy parameter at jet chimney, steam turbine and pressure and temperature reducing station calculates.The pipe network system supervisory system of the utility model can be calculated the required jet chimney and the energy parameter of steaming plant in real time through the energy computing module, and is shown to the user to result of calculation.
Further scheme can also comprise that Optimization Model makes up module and seismic responses calculated module, and said Optimization Model makes up module and operating mode judge module, and the seismic responses calculated module connects, in order to make up Optimization Model; Said seismic responses calculated module makes up the seismic responses calculated prioritization scheme of module construction according to Optimization Model, and prioritization scheme is sent to human-machine interface module and/or stores relational database into.
Further scheme can also comprise the forecast model module; Said forecast model module makes up module with real-time data base, relational database, Optimization Model and is connected; Obtain data and the forecast model in the relational database in the real-time data base; The product consumption of prediction energy medium, and will predict the outcome and be stored in relational database, supply Optimization Model to make up module and use.With the vapour system is example, if technique unit consumes or byproduct steam through the steam heat-exchanging mode, can set up steam through the method for heat balance so and produce the consumption forecast model; If steam as the raw materials for production of technique unit, can be set up the steam consumption forecast model according to production mechanism so; For the technique unit that can't adopt above two kinds of methods, adopt and set up forecast model based on the modeling method of data; A technique unit combination can be regarded as for a plurality of technique units of producing the adjustment simultaneously of loading, only a steam load forecast model need be set up; Steam produces the service data that the consumption forecast model utilizes real-time data base to obtain; Through gas consumption amount and the byproduct steam amount of forecast model prediction when preload; And will predict the outcome and be saved in the relational database, but also can be shown to human-machine interface module simultaneously.
Said forecast model module can also comprise the self-correcting module, and said forecast model self-correcting module is carried out self-correcting to forecast model outside forecast model departs from actual value and/or calculated value certain limit the time, and upgrades said prediction model parameters.Model self-correcting module is carried out the checking that forecast model predicts the outcome according to the proving period of configuration, if certain forecast model predicated error greater than preset threshold, is then carried out the model self-correcting of this forecast model.If the model prediction result after proofreading and correct is superior to existing model, then system substitutes original model parameter with the model parameter that self-correcting obtains, otherwise keeps the parameter of original model.The self-tuning data of model must be the data of steady operating mode or transient working condition.Can adopt the parameter of multiple linear regression algorithm identification forecast model for linear model; Nonlinear model does not have unified parameter identification method at present.
Further scheme can also comprise Reports module; Anomalous event in order to the process data that writes down said supervisory system and/or final data and/or equipment state situation of change, generation; And/or parameter and/or parameter variation and/or various concluding result, said form is stored in relational database and/or is presented at human-machine interface module; Said Reports module generates vapour system operation form according to the cycle of setting, and is saved in confession inquiry use in real-time data base or the historical data base to form.Have under the situation of forecast model, the form that is generated can also comprise predicting the outcome of energy medium product consumption; Under the situation with energy computing module, the form that is generated also comprises energy result of calculation.Reports module generates pipe network system operation form according to the cycle of setting, and can be saved in confession historical query use in relational database or the historical data base to form.Form can be by teams and groups and a day statistics, and the form content comprises each boiler operatiopn state, steam production; Pipe network pressure and temperature reducing amounts at different levels, emptying amount, each steam user's consumption or byproduct steam amount; The total throttle flow of generating turbine, the amount of drawing gas, generated energy etc.Each energy level steam pipe system is carried out EQUILIBRIUM CALCULATION FOR PROCESS, obtain total steam consumption, total steam production.
The supervisory system of process industry vapour system can be the supervisory system of above-mentioned process industry pipe network system.The vapour system that comprises the supervisory system of this process industry vapour system also should be within the protection domain of the utility model.
Should be pointed out that the above embodiment can make those skilled in the art more comprehensively understand the utility model, but limit the utility model never in any form.Therefore; Although this instructions has carried out detailed explanation with reference to accompanying drawing and embodiment to the utility model; But, it will be appreciated by those skilled in the art that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of the spirit and the scope of the utility model, and it all should be encompassed in the middle of the protection model state of the utility model patent.
Claims (4)
1. the supervisory system of a process industry pipe network system comprises human-machine interface module, relational database, real-time data base, operating mode judge module, and the each several part annexation is following:
The operating mode judge module is connected with real-time data base, relational database, human-machine interface module;
Human-machine interface module is connected with real-time data base, relational database, operating mode judge module;
Real-time data base is connected with human-machine interface module, operating mode judge module respectively;
Relational database is connected with human-machine interface module, operating mode judge module.
2. supervisory system according to claim 1 is characterized in that, also comprises historical data base, and said historical data base is connected with real-time data base with human-machine interface module.
3. the supervisory system of a process industry vapour system is characterized in that, the supervisory system of said process industry vapour system is the supervisory system of claim 1 or 2 described process industry pipe network systems.
4. a process industry vapour system is characterized in that, said process industry vapour system comprises the supervisory system of the described process industry vapour system of claim 3.
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| WO2008040019A2 (en) * | 2006-09-28 | 2008-04-03 | Fisher-Rosemount Systems, Inc. | Abnormal situation prevention in a coker heater |
| CN101109952B (en) * | 2007-08-23 | 2012-03-07 | 济南钢铁集团总公司 | Real-time control method for coal gas dynamic balancing in steel plants based on cabinet position prediction |
| CN101409941A (en) * | 2008-11-21 | 2009-04-15 | 冶金自动化研究设计院 | System and method for analyzing coal gas pipe net present status |
-
2011
- 2011-07-13 CN CN201110195934.1A patent/CN102830662B/en active Active
- 2011-07-13 CN CN2011202466281U patent/CN202394083U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111898976A (en) * | 2020-07-20 | 2020-11-06 | 中国石油化工股份有限公司 | Online monitoring and intelligent operation system of steam power system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102830662A (en) | 2012-12-19 |
| CN102830662B (en) | 2015-04-15 |
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