CN102402186A - Optimized control method for milling process in cement plant - Google Patents
Optimized control method for milling process in cement plant Download PDFInfo
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Abstract
The invention discloses an optimized control method for the milling process in cement plant, which realizes the automatic control of the charge level and the distribution thereof, the automatic control of cycling load and the automatic control of ventilation quantity through collecting the milling process signal with the based on advanced control. The invention also realizes the optimizations of each charge level into the mill, the material flow rate, the cycling load and the ventilation quantity, thereby outputting and controlling the feeding quantity, the rotation speed of the power concentrator and the rotation speed of fan. The invention makes an integral optimization for the milling process and realizes the running when the milling process lies in the maximum state or the running under the minimum milling consumption. Meanwhile, the invention can diagnose the fault of the milling process, evaluate the safety of the milling process, value and analyze the running of the milling process and propose reasonable suggestions for the operation of milling process, thereby guaranteeing constant, stable, safe and economic running for the milling process. The invention can be widely applied to the milling process in cement plant or to the milling processes of other industries with similar techniques.
Description
Technical field
The present invention relates to the automatic control technology field, be specifically related to control method for grinding process optimization of cement factory.
Background technology
Cement production process need be controlled the chemical constitution (content of calcium, iron, sulphur etc.) of product, the fineness (or specific surface area) of control product, under the requirement of satisfying quality, improves the output of grinding production run simultaneously.
At present the Microcomputerized dosing system that adopts of cement in China factory has realized the control to each road material blanking ratio, makes that chemical analysis reaches qualified requirement in the production run.But exist when carrying out fineness control, mainly rely on operator's experience control feeding capacity, be difficult to be issued to the defective of maximize production in up-to-standard condition.
Summary of the invention
The purpose of this invention is to provide a kind of to the Grinding Process in Cement Plants process, with continuously, stable, safety, economical operation is target, and is rational in infrastructure, operation, easy to maintenance, reliable a kind of control method for grinding process optimization of cement factory.
In order to overcome the defective of prior art, technical scheme of the present invention is to solve like this:
A kind of control method for grinding process optimization of cement factory, its special character comprises the steps:
1), the advanced control module of grinding process is obtained grinding process historical data and real time data;
2), the advanced control module of grinding process is carried out material level and each storehouse material level through the grinding process historical data obtained and real time data and is distributed and be optimized; Circulating load is optimized; Material flow is optimized, ventilation is optimized, and draw best material level and each storehouse material level distribution setting; Optimum cycle load setting, best material flow are set and the optimal ventilation amount is set;
3), the advanced control module of grinding process provides grinding process fault diagnosis and security assessment information;
4), the advanced control module of grinding process provides grinding process postitallation evaluation and suggestion for operation information;
5), be set at target with material level and each storehouse material level distribution setting, circulating load setting, material flow setting and ventilation; Adopt Multivariable Decoupling Control, the rotation speed of fan of controlled output-feeding capacity, powder concentrator rotating speed and ventilation or distributing air damper aperture.
Described a kind of control method for grinding process optimization of cement factory; Its special character is that the advanced control module of grinding process has the objective optimization function; Grinding process optimization is divided into static optimization and dynamic optimization dual mode; Its grinding process static optimization mode makes up the grinding process optimization model through obtaining the grinding process operational factor, and constantly model is upgraded according to service data, carries out grinding process optimization according to grinding process optimization model and running status; Grinding process dynamic optimization mode through applying disturbance, is confirmed to optimize direction according to the result when grinding process moves, and according to optimization objective function optimal operational condition is searched for, and the selection of grinding process optimization target can be confirmed according to actual needs.
Described a kind of control method for grinding process optimization of cement factory, its special character are that said material level and each storehouse material level distribution are optimized, and are optimized circulating load; Material flow is optimized; To ventilation be optimized can select one of them, two or connect more than, the setting that distributes of resulting best material level and each storehouse material level, optimum cycle load setting; Best material flow is set with the optimal ventilation amount and is set, should be mutually one of them, two or connect individual more than.
The present invention compared with prior art, the raising that raising that requires along with the raising that in the production run of cement mill automatization level is required, performance driving economy and security of operation require is in order to solve existing issue; Basic outlet is to improve the automatization level of grinding system; Implementing automatic improving, is target with the safety and economic operation, to the operation characteristic of grinding system; The control strategy that advanced control algorithm combines with conventional control algolithm; Guaranteed the grinding continuous economic stability operation of uniting, guaranteed that grinding machine can operate in the maximum production state all the time under the prerequisite that guarantees the fineness index; It is stable in operational process, to have controlled steel ball and material's proportion; Thereby just make that product fineness is stable, homogeneity improves; Dust pollution and noise pollution are made moderate progress, the cement mill production run is reduced power consumption, increasing economic efficiency has crucial meaning; Simultaneously, can effectively reduce the vibrations of mill body, prevent empty mill and full mill, alleviate operation, labour intensity; Reduce maintenance cost, improve working environment, realized the automatic control of whole grinding process, and whole grinding process is optimized; Has advantage rational in infrastructure, easy to operate, energy-saving and cost-reducing.One side can improve mill hourly output, improves the mill product quality; Can guarantee on the other hand grinding process continuously, stable, safety, economical operation; Application of the present invention can also alleviate operations staff's labour intensity, reduces the grinding process maintenance, is widely used in manufacture of cement industry or other industry resemble process grinding process.
The present invention has following characteristics:
L can adapt to all kinds grinding process.
L can provide the grinding process optimization controlling schemes that gears to actual circumstances.
L guarantees the operation of grinding process continous-stable.
L can follow the tracks of the operation of intended target optimum point.
L guarantees the grinding process safety and economic operation.
L can the guiding operation operation.
The technical indicator that the present invention can reach is following:
L improves unit-hour output: ≧ 6%
L reduces grinding unit consumption: ≧ 5%
L reduces the steel ball liner plate and consumes: ≧ 8%
The automatic devoting rate: of l ≧ 95%
L stops full mill, empty mill fully.
Description of drawings
Fig. 1 is a grinding process optimization control structure block diagram;
Fig. 2 is a grinding process dynamic optimization process flow diagram;
Fig. 3 is a grinding process material level setting value dynamic optimization process flow diagram;
Fig. 4 is grinding process measuring point and reference mark synoptic diagram;
Fig. 5 is grinding process optimization control block diagram.
Embodiment
Accompanying drawing is embodiments of the invention.
Below in conjunction with accompanying drawing summary of the invention is described further:
With reference to shown in Figure 1, for grinding process optimization control structure block diagram, a kind of control method for grinding process optimization of cement factory has been described, comprise the steps:
1), the advanced control module of grinding process is obtained grinding process historical data and real time data;
2), the advanced control module of grinding process is carried out material level and each storehouse material level through the grinding process historical data obtained and real time data and is distributed and be optimized; Circulating load is optimized; Material flow is optimized, ventilation is optimized, and draw best material level and each storehouse material level distribution setting; Optimum cycle load setting, best material flow are set and the optimal ventilation amount is set;
3), the advanced control module of grinding process provides grinding process fault diagnosis and security assessment information;
4), the advanced control module of grinding process provides grinding process postitallation evaluation and suggestion for operation information;
5), be set at target with material level and each storehouse material level distribution setting, circulating load setting, material flow setting and ventilation; Adopt Multivariable Decoupling Control, the rotation speed of fan of controlled output---feeding capacity, powder concentrator rotating speed and ventilation or distributing air damper aperture.
The advanced control module of grinding process has the objective optimization function; Grinding process optimization is divided into static optimization and dynamic optimization dual mode; Its grinding process static optimization mode makes up the grinding process optimization model through obtaining the grinding process operational factor; And constantly model is upgraded according to service data, carry out grinding process optimization according to grinding process optimization model and running status; Grinding process dynamic optimization mode through applying disturbance, is confirmed to optimize direction according to the result when grinding process moves, and according to optimization objective function optimal operational condition is searched for, and the selection of grinding process optimization target can be confirmed according to actual needs.
Said material level and each storehouse material level distribute and are optimized; Circulating load is optimized, material flow is optimized, to ventilation be optimized can select one of them, two or more; Resulting best material level and each storehouse material level distribute and set; Optimum cycle load setting, best material flow are set and the setting of optimal ventilation amount, should be mutually one of them, two or more.
The advanced control module of grinding process has postitallation evaluation and suggestion for operation function, and postitallation evaluation and suggestion for operation provide current operation postitallation evaluation, and the operation of grinding process is provided suggestion, and its suggestion is meant steel ball, forging interpolation, best powder concentrator rotating speed.
The advanced control module of grinding process has fault diagnosis and safety assessment function, can comprise the real time fail diagnosis to the grinding process diagnosing malfunction on the one hand, and its fault diagnosis comprises in fracture, putty, the grinding machine unusual; According to service data the security of whole grinding process operation is assessed, and provided the safety evaluation result.
Shown in Figure 2 is grinding process dynamic optimization process flow diagram, when dynamic optimization begins, and record optimization target values at this moment; Can select unit-hour output maximum or grinding unit consumption minimum, at first carry out material level and material level distribution optimization, finish the back in material level optimization and get into circulating load optimization; Finish the back in circulating load optimization and get into material flow optimization, finish the back in material flow optimization and get into ventilation optimization, after material flow optimization finishes; Obtain the running status of this moment: material level and material level distribution, circulating load, material flow and ventilation; Optimization target values before relatively optimization target values under this state and epicycle are optimized is if deviation gets into next round optimization greater than setting deviation; If deviation finishes less than setting deviation optimization; Record running status at this moment, promptly material level and material level distribution, circulating load, material flow and ventilation are optimal operational condition, each runtime value is a grinding process control optimum setting value.
Material level is the height of material in grinding mill barrel both, and the interior material of grinding machine what characterize; It is each storehouse material level that material level distributes.There is direct relation in material in the grinding machine with grinding efficiency, in grinding machine material more after a little while, it is less to grind to form qualified fineness finished product, both mill hourly output was less; Limiting case, when being full of by material in the grinding machine, material can not get grinding, and forms full mill, and mill hourly output is almost nil, thereby exists tackling the best material level of maximum unit-hour output.The cement mill grinding machine is compound mill mostly, and the material after preceding storehouse material screens through partition panel gets into next storehouse and grinds, thereby each warehousing forms best material level and distributes at best material level.
For closed circuit mill (also claiming to close the stream mill), underproof grinding machine discharging comes back to the grinding machine feeding mouth after screening through powder concentrator, gets into grinding machine once more and grinds, and this part feed back is a circulating load.Circulating load can prolong the grinding of material (generally not to be had and expects that the time that in grinding machine, stops is longer often; The fineness of grinding is more little), simultaneously because the existence of powder concentrator, can effectively reduce overground (after the fineness of improved grinding reached the requirement index; Continue to grind both overground); When overground the existence, the energy consumption of grinding process certainly will be higher, so there is the optimum cycle load.
Material flow, the i.e. flowing velocity of material in grinding machine.Material begins from getting into grinding machine, to flowing out from the grinding machine outlet, can in grinding machine, stay for some time, and the time that ordinary material stops in grinding machine is longer, and the fineness of grinding is more little, and the residence time is shorter, and the fineness of grinding is big more.The time that material flow and material stop in grinding machine is inversely proportional to.All can directly influence its product fineness and output to open circuit mill or closed circuit mill, thereby exist best material speed, best material speed promptly to ensure the quality of products and can reach the output maximum.
Ventilation in the grinding machine; Can reduce temperature of charge in the grinding machine on the one hand; Prevent the appearance of " bag ball " phenomenon, can the fine powder in the grinding machine be taken out of on the other hand and prevent overgroundly that thereby the ventilation in the grinding machine promptly influences stable, the safe operation of grinding process; Again grinding process output there is certain influence, has optimum value equally.
Shown in Figure 3 is grinding process material level setting value dynamic optimization process flow diagram, when material level setting value dynamic optimization begins, and record optimization target values at this moment; Can select unit-hour output maximum or grinding unit consumption minimum, revise material level and material level distribution setting value, carry out material level control according to new material level and material level distribution setting value; Judge whether grinding system reaches stable, grinding system reach stable after, obtain this moment the optimization target values under material level and the material level distribution; Optimization target values before relatively optimization target values under this state and epicycle are optimized; If deviation gets into next round optimization greater than setting deviation, if deviation finishes less than setting deviation optimization; Record material level and material level distribution value at this moment is best material level and material level distribution setting value.
Circulating load optimization, material flow optimization and ventilation optimization employing and material level and the same method of material level distribution optimization are carried out.
Shown in Figure 4 is grinding process measuring point and reference mark synoptic diagram; It among the figure closed-circuit grinding process; Comprise pan feeding, grinding machine (for compound mill), discharging hoister, powder concentrator, also comprise ventilation blower fan in main motor and the grinding machine in addition, if grind for open circuit then save powder concentrator.Measuring point is furnished with: feeding capacity, each storehouse material level, current of electric, power of motor, outlet blast, hoister electric current, powder concentrator rotating speed, Hui Fenliang.The reference mark comprises: feeding reference mark, air quantity reference mark and powder concentrator rotating speed reference mark.
Each storehouse material level can reflect that material level distributes; Current of electric is used for analyzing steel ball in the grinding machine, forging charging capacity when sky grinds, assistant analysis grinding machine material level when operation; The hoister electric current is used for characterizing material flow; Return powder reaction cycle load; Outlet blast reflection ventilation.
Shown in Figure 5 is that grinding process optimization is controlled block diagram; From left to right; At first select optimization aim: platform produces maximum (characterizing with feeding capacity) or unit power consumption of coal pulverizing minimum (characterizing divided by power of motor with feeding capacity); Be optimized according to the quantity of state of optimization aim, obtain 1 storehouse material level setting, 2 storehouse material levels settings, 3 storehouse material levels settings, circulating load setting (levying), material flow setting (with hoister electric current sign), ventilation setting (exporting blast with grinding machine characterizes) with returning the powder scale to grinding process; Obtain each amount deviation through comparing with 1 storehouse level gauging value, 2 storehouse level gauging values, 3 storehouse level gauging values, circulating load measured value, material flow measured value, ventilation measured value; In each amount deviation and setting value input Multivariable Decoupling Control device, through controlled output---feeding capacity, powder concentrator rotating speed and rotation speed of fan controlled quentity controlled variable after the Multivariable Decoupling Control.
In sum; Because the control mode of grinding process has computing machine centralized control, PLC control mode and DCS control mode; Select the implementation of control algolithm to concrete control mode; Adopt the mode that realizes on computers to the computing machine centralized control, can dynamically share having software transformation or new software and existing software data now; To the PLC control mode, basic controlling realizes that the advanced person is controlled on the host computer and realizes on the PLC controller; To the DCS control mode, control algolithm is controlled Platform Implementation by DCS, and advanced control section also can be realized on the independent optimization station through communication mode.
The Grinding Process in Cement Plants process exists open circuit mill, closed circuit mill, grinding machine be divided into tail unload formula, in unload the formula grinding machine, technology has dry method or wet method, can on existing theory of algorithm basis, realize for other technological processes.Unload formula for example, can control two storehouse inventories, according to the mill feed material amount, control pan feeding discharge for wet production through material level Optimal Control principle.
For metallic ore, the nonmetalliferous ore grinding process of other and Grinding Process in Cement Plants similar process, with the production procedure of grinding machine as nucleus equipment, the present invention is effective equally.
At last, what note also is that what more than to enumerate only is a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.Protection scope of the present invention is all thought in all distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention.
Embodiment
Certain cement mill cement grinding mill grinding type is closed circuit mill, and the grinding machine specification is: 3.2m * 13m, and two storehouses mill, design rating is 60t/h, and maximum ball load is 133 tons, and bistrique is furnished with the rolling, scattering system.Its grinding production process technology flow process is: the material that proportioning is good is transported to roll squeezer front end 40t small feed bin through hoister; Material is through the roll squeezer extruding and be promoted to beater; Material through after breaing up has two flow directions; Thicker material is transmitted equipment and delivers to the 40t small feed bin, and suitable material gets into the bistrique storehouse, delivers to grinding machine through the quantitative feeding scale of rotor and grinds; Go out to wear into article cement and carry out meal separation and dedusting flow process through powder concentrator, the finished product that fineness is qualified is sent to cement silo, and the underproof cement grinding mill that is sent to grinds again.
Because this cement grinding mill has been realized feed proportioning system through ABB DCS system, and behind the small feed bin of joining material, the roll squeezer end is furnished with material and breaks up equipment, the quantitative feeding scale of rotor is used to control mill feed material total amount, i.e. unit-hour output.So utilize ABB DCS system configuration language the cement grinding mill grinding process optimization is controlled configuration; Gather grinding machine 1 storehouse material level signal, grinding machine 2 storehouse material level signals, grinding machine current signal, powder concentrator current signal, mill tail hoister current signal, grinding machine gateway pressure difference signal, powder concentrator tach signal, front and back bearing shell oil temperature signal and feed back amount signal, control feeding capacity (through the quantitative feeding scale of rotor), powder concentrator rotating speed and induced draft fan baffle opening.
At first the advanced control module of grinding process is obtained grinding process historical data and real time data; Data comprise: grinding machine 1 storehouse material level signal (scope 0-100%), grinding machine 2 storehouse material level signals (scope 0-100%), grinding machine current signal (0-130A), powder concentrator current signal (0-280A), mill tail hoister current signal (0-100A), grinding machine gateway pressure difference signal (0-6000Pa), powder concentrator tach signal (0-1440 rev/min), front and back bearing shell oil temperature signal (0-60 ℃), feed back amount signal (0-300t/h), feeding capacity signal (0-100 t/h), induced draft fan baffle opening signal (0-100%).
The advanced control module of grinding process carries out material level and each storehouse material level distribution is optimized, and obtains the best material level 80% in best material level 78%, 2 storehouse, 1 storehouse; Circulating load is optimized, obtains optimum cycle load 183t/h; Material flow is optimized, obtains the dynamo-electric stream of corresponding best speed-raising 86A; Ventilation is optimized obtains best gateway pressure reduction 5200Pa, corresponding maximum mill hourly output 77t/h, the cement of this moment goes out grinding rate 2.8 ± 0.2.
According to the grinding machine 1 storehouse material level signal that collects, grinding machine 2 storehouse material level signals, grinding machine current signal, powder concentrator current signal, mill tail hoister current signal, grinding machine gateway pressure difference signal, powder concentrator tach signal, front and back bearing shell oil temperature signal, feed back amount signal, feeding capacity signal; Induced draft fan baffle opening signal; The advanced control module of grinding process provides grinding process fault diagnosis and security assessment information; Comprise whether existing unusually in the grinding machine, have liner plate to come off usually, warning messages such as partition panel stops up, " bag ball ", full mill, fracture, bearing shell overtemperature.
According to the grinding machine 1 storehouse material level signal that collects, grinding machine 2 storehouse material level signals, grinding machine current signal, powder concentrator current signal, mill tail hoister current signal, grinding machine gateway pressure difference signal, powder concentrator tach signal, front and back bearing shell oil temperature signal, feed back amount signal, feeding capacity signal; Induced draft fan baffle opening signal; The advanced control module of grinding process provides grinding process postitallation evaluation and suggestion for operation information; Comprise that 1 storehouse steel ball is on the high side or on the low side, 2 storehouse steel balls are on the high side or on the low side; Each order of classes or grades at school operation result contrast, and provide corresponding suggestion.The steel ball addition adds 16 tons of maximum gauge steel balls according to suggestion; When each order of classes or grades at school, produce deviation and surpass 1 ton, or produce deviation above 1 ton with mean time, suggestion optimization is put into operation, to guarantee the grinding system optimized operation.
According to Optimization result: best material level: the best material level 80% in best material level 78%, 2 storehouse, 1 storehouse; Optimum cycle load 183t/h; The dynamo-electric stream of best speed-raising 86A; Best gateway pressure reduction 5200Pa, corresponding maximum mill hourly output 77t/h, the control output feeding capacity that adopts the decoupling zero control algolithm to obtain this moment is 77 ± 3t/h; The powder concentrator rotating speed is 874 ± 100 rev/mins; Induced draft fan baffle opening 66 ± 2%.
After system's operation, cement output is brought up to 77t/h from original 71t/h, raising the output 8.5%; Reduce grinding unit consumption 7.8%; The fineness qualification rate brings up to 100% by original 80%, the fluctuation of fineness from originally ± 1.5 be reduced to ± 0.2 the continuous economic stability operation of grinding machine; Grinding machine can operate in the maximum production state all the time under the prerequisite that guarantees the fineness index; It is stable in operational process, to have controlled steel ball and material's proportion; Thereby make that product fineness is stable, homogeneity improves, and ensures the quality of products, improves output, has improved dust pollution and noise pollution to some extent; Reduce cement mill production run power consumption, increasing economic efficiency has crucial meaning; Simultaneously, prevent empty mill and full mill, alleviate operation, labour intensity, reduce maintenance cost, improve working environment, have remarkable economic efficiency and good social benefit.
Claims (3)
1. control method for grinding process optimization of cement factory, its characteristic comprises the steps:
1), the advanced control module of grinding process is obtained grinding process historical data and real time data;
2), the advanced control module of grinding process is carried out material level and each storehouse material level through the grinding process historical data obtained and real time data and is distributed and be optimized; Circulating load is optimized; Material flow is optimized, ventilation is optimized, and draw best material level and each storehouse material level distribution setting; Optimum cycle load setting, best material flow are set and the optimal ventilation amount is set;
3), the advanced control module of grinding process provides grinding process fault diagnosis and security assessment information;
4), the advanced control module of grinding process provides grinding process postitallation evaluation and suggestion for operation information;
5), be set at target with material level and each storehouse material level distribution setting, circulating load setting, material flow setting and ventilation; Adopt Multivariable Decoupling Control, the rotation speed of fan of controlled output-feeding capacity, powder concentrator rotating speed and ventilation or distributing air damper aperture.
2. a kind of control method for grinding process optimization of cement factory according to claim 1; The advanced control module that it is characterized in that grinding process has the objective optimization function; Grinding process optimization is divided into static optimization and dynamic optimization dual mode; Its grinding process static optimization mode makes up the grinding process optimization model through obtaining the grinding process operational factor, and constantly model is upgraded according to service data, carries out grinding process optimization according to grinding process optimization model and running status; Grinding process dynamic optimization mode through applying disturbance, is confirmed to optimize direction according to the result when grinding process moves, and according to optimization objective function optimal operational condition is searched for, and the selection of grinding process optimization target can be confirmed according to actual needs.
3. a kind of control method for grinding process optimization of cement factory according to claim 1 is characterized in that said material level and each storehouse material level distribution are optimized, and are optimized circulating load; Material flow is optimized; To ventilation be optimized can select one of them, two or more, resulting best material level and each storehouse material level distribute and set the optimum cycle load setting; Best material flow is set and the setting of optimal ventilation amount, should be mutually one of them, two or more.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103030313A (en) * | 2013-01-09 | 2013-04-10 | 武安市新峰水泥有限责任公司 | Cement production and optimization system |
| CN103092171A (en) * | 2013-01-09 | 2013-05-08 | 武安市新峰水泥有限责任公司 | Cement digital management and control system |
| CN106990763A (en) * | 2017-04-20 | 2017-07-28 | 浙江大学 | A kind of Vertical Mill operation regulator control system and method based on data mining |
| CN107239066A (en) * | 2017-06-09 | 2017-10-10 | 浙江大学 | A kind of Vertical Mill operation closed-loop control device and method based on data mining |
| CN109847916A (en) * | 2018-12-26 | 2019-06-07 | 厦门邑通软件科技有限公司 | A kind of energy conservation optimizing method of cement raw material vertical mill system |
| CN110639685A (en) * | 2019-09-16 | 2020-01-03 | 中建材（合肥）粉体科技装备有限公司 | Coordinated optimization control method of grinding system |
| CN110850754A (en) * | 2019-08-30 | 2020-02-28 | 南京市晨枭软件技术有限公司 | Control method of industrial energy-saving emission-reducing control device |
| CN111871589A (en) * | 2020-08-06 | 2020-11-03 | 保定正德电力技术有限公司 | Intelligent control method for wet ball mill pulping system |
| CN112452520A (en) * | 2020-11-04 | 2021-03-09 | 上海宝田新型建材有限公司 | Slag vertical mill intelligent method |
| CN113093674A (en) * | 2021-04-01 | 2021-07-09 | 万洲电气股份有限公司 | Cement production comprehensive unit consumption automatic analysis optimization system based on big data analysis |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092171A (en) * | 2013-01-09 | 2013-05-08 | 武安市新峰水泥有限责任公司 | Cement digital management and control system |
| CN103030313B (en) * | 2013-01-09 | 2014-07-02 | 武安市新峰水泥有限责任公司 | Cement production and optimization system |
| CN103092171B (en) * | 2013-01-09 | 2015-06-17 | 武安市新峰水泥有限责任公司 | Cement digital management and control system |
| CN103030313A (en) * | 2013-01-09 | 2013-04-10 | 武安市新峰水泥有限责任公司 | Cement production and optimization system |
| CN106990763A (en) * | 2017-04-20 | 2017-07-28 | 浙江大学 | A kind of Vertical Mill operation regulator control system and method based on data mining |
| CN106990763B (en) * | 2017-04-20 | 2017-12-29 | 浙江大学 | A kind of Vertical Mill operation regulator control system and method based on data mining |
| CN107239066A (en) * | 2017-06-09 | 2017-10-10 | 浙江大学 | A kind of Vertical Mill operation closed-loop control device and method based on data mining |
| CN109847916B (en) * | 2018-12-26 | 2021-01-12 | 厦门邑通软件科技有限公司 | Energy-saving optimization method of cement raw material vertical mill system |
| CN109847916A (en) * | 2018-12-26 | 2019-06-07 | 厦门邑通软件科技有限公司 | A kind of energy conservation optimizing method of cement raw material vertical mill system |
| CN110850754A (en) * | 2019-08-30 | 2020-02-28 | 南京市晨枭软件技术有限公司 | Control method of industrial energy-saving emission-reducing control device |
| CN110639685A (en) * | 2019-09-16 | 2020-01-03 | 中建材（合肥）粉体科技装备有限公司 | Coordinated optimization control method of grinding system |
| CN110639685B (en) * | 2019-09-16 | 2021-05-14 | 中建材（合肥）粉体科技装备有限公司 | Coordinated optimization control method of grinding system |
| CN111871589A (en) * | 2020-08-06 | 2020-11-03 | 保定正德电力技术有限公司 | Intelligent control method for wet ball mill pulping system |
| CN112452520A (en) * | 2020-11-04 | 2021-03-09 | 上海宝田新型建材有限公司 | Slag vertical mill intelligent method |
| CN113093674A (en) * | 2021-04-01 | 2021-07-09 | 万洲电气股份有限公司 | Cement production comprehensive unit consumption automatic analysis optimization system based on big data analysis |
| CN113093674B (en) * | 2021-04-01 | 2022-09-20 | 万洲电气股份有限公司 | Cement production comprehensive unit consumption automatic analysis optimization system based on big data analysis |
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Application publication date: 20120404 |