阅读说明：本技术 一种基于水泥元素的中子系统目标值自动调整方法 (Cement element-based automatic neutron system target value adjusting method ) 是由 赵华 王璟琳 陈晓虹 董旭 李志丹 张亮亮 蒋超 黎木光 李杨 余意 于 2021-04-20 设计创作，主要内容包括：本发明公开了一种基于水泥元素的中子系统目标值自动调整方法,结合历史熟料全分析值和强度值,定位熟料率值目标值为kh-(标)、sm-(标)、im-(标),结合荧光系统熟料率值误差计算得到写至生料配料计算系统的熟料率值设定值为kh-(配)、sm-(配)、im-(配),然后获取并根据熟料率值设定值、熟料热耗、煤灰化学成分、原煤热值、原材料化学成分开展理论计算,得到生料率值目标值KH-(理)、SM-(理)、IM-(理),再采集生产过程生料和熟料质量数据,利用生料和熟料的质量数据的分析软件分析建模,开展控制；最后,输出下一时段生料配料计算系统的熟料率值设定值,得到生料率值目标值。本发明实现自动考虑所有误差精准定位中子率值目标值,兑现生产过程煤料对口,降低熟料率值波动,在质量端优化窑内热工制度、提升水泥熟料强度。(The invention discloses a neutron system target value automatic adjustment method based on cement elements, which combines a historical clinker complete analysis value and an intensity value and positions the clinker rate value target value to kh Sign board 、sm Sign board 、im Sign board Combining the clinker rate value error calculation of the fluorescence system to obtain the set value kh of the clinker rate value written into the raw material ingredient calculation system Fitting for mixing 、sm Fitting for mixing 、im Fitting for mixing Then obtaining and carrying out theoretical calculation according to a set value of a clinker rate value, heat consumption of the clinker, chemical components of coal ash, a heat value of raw coal and chemical components of raw materials to obtain a target value KH of the raw material rate value Theory of things 、SM Theory of things 、IM Theory of things Collecting quality data of raw materials and clinker in the production process, and analyzing and modeling by using analysis software of the quality data of the raw materials and the clinker to develop control; and finally, outputting a clinker rate value set value of the raw material ingredient calculation system in the next period to obtain a raw material rate value target value. The invention realizes the accurate positioning of the neutron rate value target value by automatically considering all errors and realizes the coal material alignment in the production process,reduce the fluctuation of clinker rate, optimize the thermodynamic system in the kiln at the quality end and improve the strength of cement clinker.)

1. A cement element-based neutron system target value automatic adjustment method is characterized by comprising the following steps:

s1, setting the clinker rate values to kh respectively by combining the historical clinker total analysis values and the intensity values_{Sign board}、sm_{Sign board}、im_{Sign board}Combining the clinker rate value error calculation of the fluorescence system to obtain the set value kh of the clinker rate value written into the raw material ingredient calculation system_{Fitting for mixing}、sm_{Fitting for mixing}、im_{Fitting for mixing}(ii) a Wherein kh, sm and im respectively refer to the saturation ratio of clinker limestone, the silicon content of clinker and the aluminum content of clinker;

s2, obtaining a clinker rate value set value, and carrying out theoretical calculation according to the clinker rate value set value, clinker heat consumption, coal ash chemical components, raw coal calorific value and raw material chemical components to obtain a raw material rate value target value KH_{Theory of things}、SM_{Theory of things}、IM_{Theory of things}(ii) a Wherein KH, SM and IM respectively refer to the saturation ratio of raw limestone, the silicon rate of raw material and the aluminum rate of raw material;

s3, collecting raw material quality data in the production process, analyzing and modeling by using raw material quality data analysis software, and developing control;

s4, collecting clinker quality data in the production process, analyzing and modeling by using clinker quality data analysis software, and developing control;

and S5, outputting the clinker rate value set value of the raw material ingredient calculation system in the next period to obtain a raw material rate value target value, and then jumping back to the step S2 to execute the steps in sequence.

2. The method for automatically adjusting the target value of the cement-element-based neutron system according to claim 1, wherein the step 3 specifically comprises:

s3.1, reading a raw material set value KH of a neutron system in the current time period_In、SM_In、IM_InCan be adjusted at any time according to the setting;

reading raw material fluorescence detection value KH of full-automatic assay_{Fluorescent lamp}、SM_{Fluorescent lamp}、IM_{Fluorescent lamp}Detection is carried out once per hour;

reading the detection value KH of the raw material artificial comprehensive sample on the same day_{Human being}、SM_{Human being}、IM_{Human being}Detecting once in 24 hours; the raw material fluorescence detection value corresponding to the n time period of the raw material artificial comprehensive sample detection value is { KH }_{Fluorescent 1}、SM_{Fluorescent 1}、IM_{Fluorescent 1}；KH_{Fluorescent 2}、SM_{Fluorescent 2}、IM_{Fluorescent 2}；···；···；KH_{Fluorescent n}、SM_{Fluorescent n}、IM_{Fluorescent n}}；

Then the average raw material fluorescence detection value per time interval is:

KH_{fluorescence is uniform}＝{KH_{Fluorescent 1}+KH_{Fluorescent 2}+···+KH_{Fluorescent n}}/n

SM_{Fluorescence is uniform}＝{SM_{Fluorescent 1}+SM_{Fluorescent 2}+···+SM_{Fluorescent n}}/n

IM_{Fluorescence is uniform}＝{IM_{Fluorescent 1}+IM_{Fluorescent 2}+···+IM_{Fluorescent n}}/n

The error of the raw material rate value of the neutron system is

ε_{In KH}＝KH_{Theory of things}-KH_{Fluorescent lamp}

ε_{In SM}＝SM_{Theory of things}-SM_{Fluorescent lamp}

ε_{In IM}＝IM_{Theory of things}-IM_{Fluorescent lamp}

Error in raw material ratio of fluorescent system is

ε_{KH fluorescence}＝KH_{Fluorescence is uniform}-KH_{Human being}

ε_{SM fluorescent}＝SM_{Fluorescence is uniform}-SM_{Human being}

ε_{IM fluorescence}＝IM_{Fluorescence is uniform}-IM_{Human being}；

S3.2, calculating the material batch rate value target value of the neutron system in the next time interval as follows:

KH’_in＝KH_In+α_KH×ε_{In KH}+β_KH×ε_{KH fluorescence}

SM'_In＝SM_In+α_SM×ε_{In SM}+β_SM×ε_{SM fluorescent}

IM’_In＝IM_In+α_IM×ε_{In IM}+β_IM×ε_{IM fluorescence}

Wherein: alpha is alpha_KH、α_SM、α_IMThe values of the variable gain coefficients of neutron system raw material values KH, SM and IM, beta_KH、β_SM、β_IMRespectively the variable gain coefficients of raw material rate values KH, SM and IM of the fluorescence system;

the variable gain coefficient expressions are respectively as follows:

wherein: mu.s_KH、μ_SM、μ_IMRespectively representing the inhibition coefficients of system raw material rate values KH, SM and IM;

the inhibition coefficient is determined by a value curve before the current fluorescence sampling time and a theoretical target value broken line, mu_KH、μ_SM、μ_IMThe value range is between 0.2 and 0.8;

the KH setting of the subsystem at the next moment is:

the setting value of the subsystem SM in the next moment is as follows:

the set value of the subsystem IM in the next moment is:

wherein T represents the current time, T +1 represents the next time, the frequency of T is 1 h/time, T represents the current day, and the frequency of T is 24 h/time;

s3.3, outputting the raw material set value of the subsystem in the next period, and writing the raw material set value into a data collection system DCS;

and S3.4, reading the set value of the raw material of the DCS by the neutron system, developing and batching the raw material by the neutron system according to the read set value of the raw material, carrying out process production, and detecting the result of the raw material ratio value by fluorescence and manual work.

3. The method for automatically adjusting the target value of the cement-based neutron system according to claim 2, wherein the data collection system DCS sets a reminding function, stops the material in time when the material is broken and out of stock for a long time, and carries out normal production when the material is normally discharged.

4. The method for automatically adjusting the target value of the cement-element-based neutron system according to claim 1, wherein the step 4 specifically comprises:

s4.1, reading the clinker fluorescence detection result kh of the current time period full-automatic test_{Fluorescent lamp}、sm_{Fluorescent lamp}、im_{Fluorescent lamp}Detection is carried out once per hour;

reading the detection result kh of the current-day clinker artificial comprehensive sample_{Human being}、sm_{Human being}、im_{Human being}Detecting once in 24 hours;

clinker fluorescence detection result of clinker artificial comprehensive sample corresponding to m time period

{kh_{Fluorescent 1}、sm_{Fluorescent 1}、im_{Fluorescent 1}；kh_{Fluorescent 2}、sm_{Fluorescent 2}、im_{Fluorescent 2}；···；kh_{Fluorescent m}、sm_{Fluorescent m}、im_{Fluorescent m}}；

Then the average clinker fluorescence detection value per time period is:

kh_{fluorescence is uniform}＝{kh_{Fluorescent 1}+kh_{Fluorescent 2}+···+kh_{Fluorescent m}}/m

sm_{Fluorescence is uniform}＝{sm_{Fluorescent 1}+sm_{Fluorescent 2}+···+sm_{Fluorescent m}}/m

im_{Fluorescence is uniform}＝{im_{Fluorescent 1}+im_{Fluorescent 2}+···+im_{Fluorescent m}}/m

The raw material batching system does not consider errors, and the clinker rate value error of the fluorescence system is as follows:

ε_{kh fluorescence}＝kh_{Fluorescence is uniform}-kh_{Human being}

ε_{sm fluorescence}＝sm_{Fluorescence is uniform}-sm_{Human being}

ε_{im fluorescence}＝im_{Fluorescence is uniform}-im_{Human being}；

S4.2, calculating the clinker rate value target value of the raw material ingredient calculation system in the next time period as follows:

kh'_{fitting for mixing}＝kh_{Fitting for mixing}+β_kh×ε_{kh fluorescence}

sm'_{Fitting for mixing}＝sm_{Fitting for mixing}+β_sm×ε_{sm fluorescence}

im'_{Fitting for mixing}＝im_{Fitting for mixing}+β_im×ε_{im fluorescence}

Wherein: epsilon_{kh fluorescence}、ε_{sm fluorescence}、ε_{im fluorescence}Respectively the system errors of the clinker kh, sm and im of the fluorescent system, beta_kh、β_sm、β_imThe parameters are respectively the clinker kh, sm and im variable gain coefficients of the fluorescent system.

The variable gain coefficient expression is as follows:

wherein: mu.s_kh、μ_sm、μ_imRespectively representing the inhibition coefficients of system clinker kh, sm and im;

the inhibition coefficient is determined by a value curve before the current fluorescence sampling time and a theoretical target value broken line, mu_kh、μ_sm、μ_imThe value range is between 0.2 and 0.8;

then in the next time interval, the clinker rate value set value of the raw material ingredient calculation system is as follows:

5. the method of claim 1, wherein the batch rate value set point is: KH is between 0.880 and 1.080, SM is between 2.20 and 2.85, and IM is between 1.1 and 1.9.

Technical Field

The invention relates to the field of cement production processes, in particular to a method for automatically adjusting a neutron system target value based on cement elements.

Background

The raw material proportion of the existing cement plant is adjusted by calculating a raw material target value according to a fluorescence result and ingredients, in the prior art, the proportion adjustment in the process of changing piles of raw coal and raw materials completely depends on the responsibility center and the proportion adjustment experience of the current shift post, the post capability is uneven, and the chemical components in the production process have large fluctuation inevitably. In recent years, with the application of the cement element on-line detection and control technology and the full-automatic fluorescence detection technology in the cement industry, the influence of the non-uniform stability of raw material components on the batching is solved to a certain extent, and after an on-line neutron system is applied to the ground, the raw material proportioning of a cement plant is automatically adjusted through the on-line neutron batching system, so that the problem of frequently adjusting the material weighing and proportioning by personnel is solved.

Disclosure of Invention

In order to solve the technical problems in the prior art, the invention provides a method for automatically adjusting a neutron system target value based on a cement element, which solves the problems of accurately positioning a cement element on-line batching control system target value, automatically calculating and adjusting the neutron system target value, automatically considering all error accurate positioning neutron rate value target values, converting coal material alignment in a production process, reducing clinker rate value fluctuation, optimizing a thermodynamic system in a kiln at a quality end and improving cement clinker strength, and the specific technical scheme is as follows:

a cement element-based neutron system target value automatic adjustment method comprises the following steps:

s1, setting the clinker rate values to kh respectively by combining the historical clinker total analysis values and the intensity values_{Sign board}、sm_{Sign board}、 im_{Sign board}Combining the clinker rate value error calculation of the fluorescence system to obtain the set value kh of the clinker rate value written into the raw material ingredient calculation system_{Fitting for mixing}、sm_{Fitting for mixing}、im_{Fitting for mixing}(ii) a Wherein kh, sm and im respectively refer to the saturation ratio of clinker limestone, the clinker silicon content and the clinker aluminum content;

s2, obtaining a clinker rate value set value, and carrying out theoretical calculation according to the clinker rate value set value, clinker heat consumption, coal ash chemical components, raw coal calorific value and raw material chemical components to obtain a raw material rate value target value KH_{Theory of things}、SM_{Theory of things}、IM_{Theory of things}(ii) a Wherein KH, SM and IM respectively refer to the saturation ratio of raw limestone, the silicon rate of raw material and the aluminum rate of raw material;

s3, collecting raw material quality data in the production process, analyzing and modeling by using raw material quality data analysis software, and performing development control;

s4, collecting clinker quality data in the production process, analyzing and modeling by using clinker quality data analysis software, and performing development control;

and S5, outputting a clinker rate value set value of the raw material ingredient calculation system in the next period to obtain a raw material rate value target value, and then jumping back to the step S2 to execute the steps in sequence.

Further, the step 3 specifically includes:

s3.1, reading a raw material set value KH of a neutron system in the current time period_In、SM_In、IM_InThe adjustment can be carried out at any time according to the setting;

reading raw material fluorescence detection value KH of full-automatic assay_{Fluorescent lamp}、SM_{Fluorescent lamp}、IM_{Fluorescent lamp}Detection is carried out once per hour;

reading the detection value KH of the raw material artificial comprehensive sample on the same day_{Human being}、SM_{Human being}、IM_{Human being}Detecting once in 24 hours;

the raw material fluorescence detection value of the raw material artificial comprehensive sample corresponding to n time periods is

{KH_{Fluorescent 1}、SM_{Fluorescent 1}、IM_{Fluorescent 1}；KH_{Fluorescent 2}、SM_{Fluorescent 2}、IM_{Fluorescent 2}；···；···；KH_{Fluorescent n}、SM_{Fluorescent n}、 IM_{Fluorescent n}}；

Then the average raw material fluorescence detection value per time interval is:

KH_{fluorescence is uniform}＝{KH_{Fluorescent 1}+KH_{Fluorescent 2}+···+KH_{Fluorescent n}}/n

SM_{Fluorescence is uniform}＝{SM_{Fluorescent 1}+SM_{Fluorescent 2}+···+SM_{Fluorescent n}}/n

IM_{Fluorescence is uniform}＝{IM_{Fluorescent 1}+IM_{Fluorescent 2}+···+IM_{Fluorescent n}}/n

The error of the raw material rate value of the neutron system is

ε_{In KH}＝KH_{Theory of things}-KH_{Fluorescent lamp}

ε_{In SM}＝SM_{Theory of things}-SM_{Fluorescent lamp}

ε_{In IM}＝IM_{Theory of things}-IM_{Fluorescent lamp}

Error in raw material ratio of fluorescent system is

ε_{KH fluorescence}＝KH_{Fluorescence is uniform}-KH_{Human being}

ε_{SM fluorescent}＝SM_{Fluorescence is uniform}-SM_{Human being}

ε_{IM fluorescence}＝IM_{Fluorescence is uniform}-IM_{Human being}；

S3.2, calculating the material batch rate value target value of the neutron system in the next time interval as follows:

KH'_in＝KH_In+α_KH×ε_{In KH}+β_KH×ε_{KH fluorescence}

SM'_In＝SM_In+α_SM×ε_{In SM}+β_SM×ε_{SM fluorescent}

IM'_In＝IM_In+α_IM×ε_{In IM}+β_IM×ε_{IM fluorescence}

Wherein: alpha is alpha_KH、α_SM、α_IMThe values of the variable gain coefficients of neutron system raw material values KH, SM and IM, beta_KH、β_SM、β_IMRespectively the variable gain coefficients of raw material rate values KH, SM and IM of the fluorescence system;

the variable gain coefficient expressions are respectively as follows:

wherein: mu.s_KH、μ_SM、μ_IMRespectively representing the inhibition coefficients of system raw material rate values KH, SM and IM;

the inhibition coefficient is determined by a value curve before the current fluorescence sampling time and a theoretical target value broken line, mu_KH、μ_SM、μ_IMThe value range is between 0.2 and 0.8;

the KH setting of the subsystem at the next moment is:

the setting value of the subsystem SM in the next moment is as follows:

the set value of the subsystem IM in the next moment is:

wherein T represents the current time, T +1 represents the next time, the frequency of T is 1 h/time, T represents the current day, and the frequency of T is 24 h/time;

s3.3, outputting the raw material set value of the subsystem in the next period, and writing the raw material set value into a data collection system DCS;

and S3.4, reading the set value of the raw material of the DCS by the neutron system, developing and batching the raw material by the neutron system according to the read set value of the raw material, carrying out process production, and detecting the result of the raw material ratio value by fluorescence and manual work.

Further, the data collection system DCS formulates a reminding function, and when the material is cut off or is short for a long time, the material is stopped in time, and normal production is carried out when the material is normally discharged.

Further, the step 4 specifically includes:

s4.1, reading the clinker fluorescence detection result kh of the current time period full-automatic test_{Fluorescent lamp}、sm_{Fluorescent lamp}、im_{Fluorescent lamp}Detection is carried out once per hour;

reading the detection result kh of the current-day clinker artificial comprehensive sample_{Human being}、sm_{Human being}、im_{Human being}Detecting once in 24 hours;

clinker fluorescence detection result { kh of clinker artificial comprehensive sample corresponding to m time period_{Fluorescent 1}、sm_{Fluorescent 1}、im_{Fluorescent 1}；kh_{Fluorescent 2}、 sm_{Fluorescent 2}、im_{Fluorescent 2}；···；kh_{Fluorescent m}、sm_{Fluorescent m}、im_{Fluorescent m}}；

Then the average clinker fluorescence detection value per time period is:

kh_{fluorescence is uniform}＝{kh_{Fluorescent 1}+kh_{Fluorescent 2}+···+kh_{Fluorescent m}}/m

sm_{Fluorescence is uniform}＝{sm_{Fluorescent 1}+sm_{Fluorescent 2}+···+sm_{Fluorescent m}}/m

im_{Fluorescence is uniform}＝{im_{Fluorescent 1}+im_{Fluorescent 2}+···+im_{Fluorescent m}}/m

The raw material batching system does not consider errors, and the clinker rate value error of the fluorescence system is as follows:

ε_{kh fluorescence}＝kh_{Fluorescence is uniform}-kh_{Human being}

ε_{sm fluorescence}＝sm_{Fluorescence is uniform}-sm_{Human being}

ε_{im fluorescence}＝im_{Fluorescence is uniform}-im_{Human being}；

S4.2, calculating the clinker rate value target value of the raw material ingredient calculation system in the next time period as follows:

kh'_{fitting for mixing}＝kh_{Fitting for mixing}+β_kh×ε_{kh fluorescence}

sm'_{Fitting for mixing}＝sm_{Fitting for mixing}+β_sm×ε_{sm fluorescence}

im'_{Fitting for mixing}＝im_{Fitting for mixing}+β_im×ε_{im fluorescence}

Wherein: epsilon_{kh fluorescence}、ε_{sm fluorescence}ε_{im fluorescence}Respectively the system errors of the clinker kh, sm and im of the fluorescent system, beta_kh、β_sm、 β_imThe parameters are respectively the clinker kh, sm and im variable gain coefficients of the fluorescent system.

The variable gain coefficient expression is as follows:

wherein: mu.s_kh、μ_sm、μ_imRespectively representing the inhibition coefficients of system clinker kh, sm and im;

the inhibition coefficient is determined by a value curve before the current fluorescence sampling time and a theoretical target value broken line, mu_kh、μ_sm、μ_imThe value range is between 0.2 and 0.8;

then in the next time interval, the clinker rate value set value of the raw material ingredient calculation system is as follows:

further, the raw material rate value set value is as follows: KH is between 0.880 and 1.080, SM is between 2.20 and 2.85, and IM is between 1.1 and 1.9.

The invention optimizes coal material butt-joint work in the cement raw material proportioning process, realizes automatic calculation and adjustment of the neutron rate value target value in the production process, effectively solves the problems of manual intervention and large fluctuation of the clinker rate value in the process, greatly reduces the standard deviation of the clinker rate value, improves the uniform stability of clinker chemical components, lays a foundation for next calcining, stabilizing the thermal regulation in the kiln and producing high-quality clinker, and meanwhile, the stability of the clinker rate value is beneficial to the formation of cement clinker C3S, and obviously improves the strength of the produced clinker.

Drawings

FIG. 1 is a block flow diagram of an on-line rate automatic control system of the present invention.

Detailed Description

In order to make the objects, technical solutions and technical effects of the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.

As is well known, the three values of the cement include the saturation ratio of limestone, the silicon ratio and the aluminum ratio.

As shown in fig. 1, a method for automatically adjusting a neutron system target value based on cement elements includes the following steps:

s1, setting the clinker rate values to kh respectively by combining the historical clinker total analysis values and the intensity values_{Sign board}、sm_{Sign board}、 im_{Sign board}Combining the clinker rate value error calculation of the fluorescence system to obtain the set value kh of the clinker rate value written into the raw material ingredient calculation system_{Fitting for mixing}、sm_{Fitting for mixing}、im_{Fitting for mixing}(ii) a Wherein kh, sm and im respectively refer to the saturation ratio of clinker limestone, the clinker silicon content and the clinker aluminum content;

s2, obtaining a clinker rate value set value, and carrying out theoretical calculation according to the clinker rate value set value, clinker heat consumption, coal ash chemical components, raw coal calorific value and raw material chemical components to obtain a raw material rate value target value KH_{Theory of things}、SM_{Theory of things}、 IM_{Theory of things}(ii) a Wherein KH, SM and IM respectively refer to the saturation ratio of raw limestone, the silicon rate of raw material and the aluminum rate of raw material;

s3, collecting raw material quality data in the production process, analyzing and modeling by using raw material quality data analysis software, and performing development control; the method specifically comprises the following steps:

reading raw material set value KH of neutron system in current time period_In、SM_In、IM_InCan be used at any timeAdjusting according to the setting;

reading raw material fluorescence detection value KH of full-automatic assay_{Fluorescent lamp}、SM_{Fluorescent lamp}、IM_{Fluorescent lamp}Detection is carried out once per hour;

reading the detection value KH of the raw material artificial comprehensive sample on the same day_{Human being}、SM_{Human being}、IM_{Human being}Detecting once in 24 hours;

the raw material fluorescence detection value corresponding to the n time period of the raw material artificial comprehensive sample detection value is { KH }_{Fluorescent 1}、SM_{Fluorescent 1}、 IM_{Fluorescent 1}；KH_{Fluorescent 2}、SM_{Fluorescent 2}、IM_{Fluorescent 2}；···；···；KH_{Fluorescent n}、SM_{Fluorescent n}、IM_{Fluorescent n}}；

Then the average raw material fluorescence detection value per time interval is:

KH_{fluorescence is uniform}＝{KH_{Fluorescent 1}+KH_{Fluorescent 2}+···+KH_{Fluorescent n}}/n

SM_{Fluorescence is uniform}＝{SM_{Fluorescent 1}+SM_{Fluorescent 2}+···+SM_{Fluorescent n}}/n

IM_{Fluorescence is uniform}＝{IM_{Fluorescent 1}+IM_{Fluorescent 2}+···+IM_{Fluorescent n}}/n

The error of the raw material rate value of the neutron system is

ε_{In KH}＝KH_{Theory of things}-KH_{Fluorescent lamp}

ε_{In SM}＝SM_{Theory of things}-SM_{Fluorescent lamp}

ε_{In IM}＝IM_{Theory of things}-IM_{Fluorescent lamp}

Error in raw material ratio of fluorescent system is

ε_{KH fluorescence}＝KH_{Fluorescence is uniform}-KH_{Human being}

ε_{SM fluorescent}＝SM_{Fluorescence is uniform}-SM_{Human being}

ε_{IM fluorescence}＝IM_{Fluorescence is uniform}-IM_{Human being}；

Calculating the material batch rate value target value of the neutron system in the next time interval as follows:

KH'_in＝KH_In+α_KH×ε_{In KH}+β_KH×ε_{KH fluorescence}

SM'_In＝SM_In+α_SM×ε_{In SM}+β_SM×ε_{SM fluorescent}

IM'_In＝IM_In+α_IM×ε_{In IM}+β_IM×ε_{IM fluorescence}

Wherein: alpha is alpha_KH、α_SM、α_IMThe values of the variable gain coefficients of neutron system raw material values KH, SM and IM, beta_KH、β_SM、β_IMRespectively the variable gain coefficients of raw material rate values KH, SM and IM of the fluorescence system;

the variable gain coefficient expressions are respectively as follows:

wherein: mu.s_KH、μ_SM、μ_IMRespectively representing the inhibition coefficients of system raw material rate values KH, SM and IM;

the inhibition coefficient is determined by the curve and theory of the previous value of the current fluorescence sample-out timeTarget value polyline determination, μ_KH、μ_SM、μ_IMThe value range is between 0.2 and 0.8;

the KH setting of the subsystem at the next moment is:

the setting value of the subsystem SM in the next moment is as follows:

the set value of the subsystem IM in the next moment is:

wherein T represents the current time, T +1 represents the next time, the frequency of T is 1 h/time, T represents the current day, and the frequency of T is 24 h/time.

Outputting a raw material set value of a subsystem in the next period, and writing the raw material set value into a data collection system DCS;

the neutron system reads the raw material set value of DCS;

the neutron system opens and mixes the materials according to the read raw material set value, carries out the process production, detects the result of the raw material ratio value by fluorescence and manpower, and executes the step S3 again;

s4, collecting the quality data of the clinker in the production process, which comprises the following steps:

reading the clinker fluorescence detection result kh of the full-automatic test at the current time interval_{Fluorescent lamp}、sm_{Fluorescent lamp}、im_{Fluorescent lamp}Detecting once per hour;

reading the detection result kh of the current-day clinker artificial comprehensive sample_{Human being}、sm_{Human being}、im_{Human being}Detecting once in 24 hours;

clinker fluorescence detection result { kh of clinker artificial comprehensive sample corresponding to m time period_{Fluorescent 1}、sm_{Fluorescent 1}、im_{Fluorescent 1}；kh_{Fluorescent 2}、 sm_{Fluorescent 2}、im_{Fluorescent 2}；···；kh_{Fluorescent m}、sm_{Fluorescent m}、im_{Fluorescent m}}；

Then the average clinker fluorescence detection value per time period is:

kh_{fluorescence is uniform}＝{kh_{Fluorescent 1}+kh_{Fluorescent 2}+···+kh_{Fluorescent m}}/m

sm_{Fluorescence is uniform}＝{sm_{Fluorescent 1}+sm_{Fluorescent 2}+···+sm_{Fluorescent m}}/m

im_{Fluorescence is uniform}＝{im_{Fluorescent 1}+im_{Fluorescent 2}+···+im_{Fluorescent m}}/m

The raw material batching system does not consider errors, and the clinker rate value error of the fluorescence system is as follows:

ε_{kh fluorescence}＝kh_{Fluorescence is uniform}-kh_{Human being}

ε_{sm fluorescence}＝sm_{Fluorescence is uniform}-sm_{Human being}

ε_{im fluorescence}＝im_{Fluorescence is uniform}-im_{Human being}。

And calculating the clinker rate value target value of the raw material ingredient calculation system in the next time period as follows:

kh'_{fitting for mixing}＝kh_{Fitting for mixing}+β_kh×ε_{kh fluorescence}

sm'_{Fitting for mixing}＝sm_{Fitting for mixing}+β_sm×ε_{sm fluorescence}

im'_{Fitting for mixing}＝im_{Fitting for mixing}+β_im×ε_{im fluorescence}

Wherein: epsilon_{kh fluorescence}、ε_{sm fluorescence}ε_{im fluorescence}Respectively the system errors of the clinker kh, sm and im of the fluorescent system, beta_kh、β_sm、 β_imThe parameters are respectively the clinker kh, sm and im variable gain coefficients of the fluorescent system.

The variable gain coefficient expression is as follows:

wherein: mu.s_kh、μ_sm、μ_imRespectively representing the inhibition coefficients of system clinker kh, sm and im;

the inhibition coefficient is determined by a value curve before the current fluorescence sampling time and a theoretical target value broken line, mu_kh、μ_sm、μ_imThe value range is between 0.2 and 0.8;

then in the next time interval, the clinker rate value set value of the raw material ingredient calculation system is as follows:

and S5, outputting a clinker rate value set value of the raw material ingredient calculation system in the next period to obtain a raw material rate value target value, and then jumping back to the step S2 to execute the steps in sequence.

In order to confirm and ensure the data security of the whole process, the method specifically comprises the following steps:

1) reading the feeding feedback value of the mill, judging whether the mill is operated or not, judging that the mill is stopped when the feeding feedback value of the mill is lower than a lower limit value, not adjusting the neutron target value,

2) setting up upper and lower limits for neutron rate value set value to ensure that the calculated neutron rate value is in the range of the set rate value and avoid the phenomena of over-adjustment and error adjustment, wherein KH is between 0.880 and 1.080, SM is between 2.20 and 2.85, IM is between 1.1 and 1.9,

3) the DCS is provided with a reminding function, when the material is cut off and is out of stock for a long time, the material is stopped in time, and normal production is carried out when the material is discharged normally.

The implementation of the present invention is not limited by the above-mentioned manner, and various insubstantial modifications of the concept and technical scheme of the method of the present invention are within the scope of the present invention.