阅读说明：本技术 一种基于元素分析的在线非接触式精准配料技术 (On-line non-contact accurate batching technology based on element analysis ) 是由 张桂南 王军龙 陶涛 于 2020-12-22 设计创作，主要内容包括：本发明公开了一种基于元素分析的在线非接触式精准配料技术,包括中子源、探测器、信号处理柜和主机,其特征在于：所述在线元素分析仪安装于皮带上方,所述在线元素分析仪设置有检验计算机和配料计算机,所述检验计算机与配料计算机均通过外网络接线盒与操控室计算机相连接,所述在线元素分析仪主机包括硬件与软件,采集来自电子信号处理单元的数字信号,并对数字信号进行解析,计算出元素成分含量及相关的质量控制参数,所述在线元素分析仪检验计算机和在线元素分析仪配料计算机均通过光纤盒与在线元素分析仪信号处理柜构建连接,所述在线元素分析仪信号处理柜通过光纤连在线元素分析仪控制柜。本发明采用在线分析仪对原材料品质的波动进行控制,提高出磨生料合格率,降低标准偏差和员工劳动强度。(The invention discloses an on-line non-contact accurate batching technology based on element analysis, which comprises a neutron source, a detector, a signal processing cabinet and a host, and is characterized in that: the online element analyzer is installed above a belt, and is provided with a checking computer and a batching computer, wherein the checking computer and the batching computer are connected with an operation room computer through an external network junction box, a host of the online element analyzer comprises hardware and software, collects digital signals from an electronic signal processing unit, analyzes the digital signals, and calculates the content of element components and related quality control parameters, the checking computer of the online element analyzer and the batching computer of the online element analyzer are connected with an online element analyzer signal processing cabinet through optical fiber boxes, and the online element analyzer signal processing cabinet is connected with an online element analyzer control cabinet through optical fibers. The invention adopts the on-line analyzer to control the fluctuation of the quality of the raw materials, improves the qualified rate of the milled raw materials, and reduces the standard deviation and the labor intensity of workers.)

1. The utility model provides an accurate batching technique of online non-contact based on elemental analysis, includes neutron source, detector, signal processing cabinet and host computer, its characterized in that: the online element analyzer is arranged above the belt, and is provided with a checking computer and a batching computer, wherein the checking computer and the batching computer are both connected with the control room computer through an external network junction box, and a host machine of the online element analyzer comprises hardware and software, collects digital signals from the electronic signal processing unit, analyzes the digital signals, and calculates the content of element components and related quality control parameters;

the online element analyzer inspection computer and the online element analyzer batching computer are connected with the online element analyzer signal processing cabinet through optical fiber boxes, and the online element analyzer signal processing cabinet is connected with the online element analyzer control cabinet through optical fibers.

2. The on-line non-contact precise batching technology based on elemental analysis as claimed in claim 1, characterized in that: a protection device is arranged on the outer side of the online element analyzer and used for isolating the radiation of the neutron source;

the neutron source is arranged at the lower part of the measuring device and is positioned right below the material belt, and one or more stainless steel packaged 252Cf source cores are arranged in the neutron source;

the device comprises a receiving device, a detector, a ray inhibitor and a constant temperature component, wherein the receiving device is used for receiving the camera shooting sent by the material under the action of neutrons, the ray inhibitor is wrapped outside the detector and interferes with rays, and the constant temperature component is used for keeping the detector at a constant temperature.

3. The on-line non-contact precise batching technology based on elemental analysis as claimed in claim 1, characterized in that: an electronic signal processing component and a temperature control component are arranged in the signal processing cabinet;

the electronic signal processing part and the temperature control part can provide high and low voltages, and the electronic signal processing part converts an analog signal from the detector into a digital signal through the ADC;

the temperature control component is used for controlling the temperature of the detector and the temperature in the cabinet.

4. The on-line non-contact precise batching technology based on elemental analysis as claimed in claim 1, characterized in that: the batching process comprises static calibration and dynamic calibration;

the static calibration process comprises the following steps: performing static calibration by using a standard sample, installing an online analyzer, and electrifying and debugging;

stopping the belt, emptying the belt, and sequentially putting 6 groups of standard samples, wherein each group of standard samples is tested for one hour;

the error is calculated by comparing the on-line analyzer measurements with the true values of the sample composition.

5. The on-line non-contact precise batching technology based on elemental analysis as claimed in claim 4, characterized in that: the dynamic calibration adjusts the grinding sampler to be automatic continuous sampling through the batching analyzer, the sampling frequency is 20 times per hour, the materials of the sampler are uniformly stirred, the assay detection is carried out through the fluorescence analyzer or manual full analysis, the assay value is compared with the monitoring data of the on-line analyzer, and the dynamic parameter fitting calibration is carried out.

6. The on-line non-contact precise batching technology based on elemental analysis as claimed in claim 1, characterized in that: the instrument detection and batching process is as follows:

a measuring device of the online analyzer is arranged on a main belt of the grinding mill, and the online component detection is carried out on the material flowing on the belt;

the detection interval is one minute, and an analysis structure is given;

timely carrying out matched blanking according to a real-time monitoring result, and stabilizing the taste content of the limestone in a warehouse;

the ingredient analysis analyzer compares the current three rates with the target value, and changes the ratio once every two minutes to stabilize the fluctuation of the grinding raw materials and improve the qualification rate.

Technical Field

The invention relates to the technical field of limestone batching, in particular to an on-line non-contact accurate batching technology based on element analysis.

Background

In the limestone batching process, because the ingredients in the limestone are not uniformly distributed, the production quality of limestone clinker can be influenced, and therefore, a precise batching mode is required in the limestone batching process, most of the existing batching modes are mechanical or manual batching, the process of the process cannot meet the requirement of actual use, and great access to the quality of the limestone clinker is controlled.

With the gradual expansion of the application of online detection equipment, through massive retrieval, the publication number of the prior art is CN101920530B, and the invention discloses a continuous batching system and a method for a fireproof synthetic raw material, belonging to the technical field of fireproof materials. The system comprises: proportioning bins, belt weighers, belt conveyors, online element analyzers, data processing consoles and proportioning software. The method comprises the steps of using an online element analyzer to perform full-flow component detection on raw materials before grinding, calculating the component composition of the materials by using analysis software, and controlling the feeding proportion of the raw materials according to the formula requirements, so as to achieve the purpose of online continuous batching, and realize the accuracy, uniformity and stability of the components of the ground materials. The method has the advantages of overcoming the scale limitation of the existing intermittent batch batching, solving the problem that the components of the materials to be ground are difficult to guarantee by the traditional continuous batching, promoting the large-scale production of high-quality synthetic refractory raw materials, simplifying the control flow and saving the cost.

In summary, in view of the fluctuation of the quality of the existing limestone raw material, the yield of the mill raw material needs to be improved by adding an online analysis technology.

Disclosure of Invention

The invention aims to provide an on-line non-contact accurate batching technology based on element analysis, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an accurate batching technique of online non-contact based on elemental analysis, includes neutron source, detector, signal processing cabinet and host computer, its characterized in that: the online element analyzer is arranged above the belt, and is provided with a checking computer and a batching computer, wherein the checking computer and the batching computer are both connected with the control room computer through an external network junction box, and a host machine of the online element analyzer comprises hardware and software, collects digital signals from the electronic signal processing unit, analyzes the digital signals, and calculates the content of element components and related quality control parameters;

the online element analyzer inspection computer and the online element analyzer batching computer are connected with the online element analyzer signal processing cabinet through optical fiber boxes, and the online element analyzer signal processing cabinet is connected with the online element analyzer control cabinet through optical fibers.

Preferably, a protection device is arranged on the outer side of the online element analyzer and used for isolating the radiation of the neutron source;

the neutron source is arranged at the lower part of the measuring device and is positioned right below the material belt, and one or more stainless steel packaged 252Cf source cores are arranged in the neutron source;

the device comprises a receiving device, a detector, a ray inhibitor and a constant temperature component, wherein the receiving device is used for receiving the camera shooting sent by the material under the action of neutrons, the ray inhibitor is wrapped outside the detector and interferes with rays, and the constant temperature component is used for keeping the detector at a constant temperature.

Preferably, an electronic signal processing component and a temperature control component are installed in the signal processing cabinet;

the electronic signal processing part and the temperature control part can provide high and low voltages, and the electronic signal processing part converts an analog signal from the detector into a digital signal through the ADC;

the temperature control component is used for controlling the temperature of the detector and the temperature in the cabinet.

Preferably, the batching process is divided into static calibration and dynamic calibration;

the static calibration process comprises the following steps: performing static calibration by using a standard sample, installing an online analyzer, and electrifying and debugging;

stopping the belt, emptying the belt, and sequentially putting 6 groups of standard samples, wherein each group of standard samples is tested for one hour;

the error is calculated by comparing the on-line analyzer measurements with the true values of the sample composition.

Preferably, the dynamic calibration is realized by adjusting the mill sampler to automatic continuous sampling through the ingredient analyzer, the sampling frequency is 20 times per hour, the materials of the sampler are uniformly stirred, the assay detection is carried out through the fluorescence analyzer or manual full analysis, and the assay value is compared with the monitoring data of the on-line analyzer to carry out dynamic parameter fitting calibration.

Preferably, the detection and batching process of the instrument is as follows:

a measuring device of the online analyzer is arranged on a main belt of the grinding mill, and the online component detection is carried out on the material flowing on the belt;

the detection interval is one minute, and an analysis structure is given;

timely carrying out matched blanking according to a real-time monitoring result, and stabilizing the taste content of the limestone in a warehouse;

the ingredient analysis analyzer compares the current three rates with the target value, and changes the ratio once every two minutes to stabilize the fluctuation of the grinding raw materials and improve the qualification rate.

Compared with the prior art, the invention has the beneficial effects that: after static and dynamic calibration, the online analyzer has good consistency with the test analysis result, so that the standard deviation of the raw material after automatic batching is put into the online analyzer reduces the manual batching by 76 percent, and the online analyzer controls the fluctuation of the quality of the raw material, thereby improving the qualified rate of the milled raw material, and reducing the standard deviation and the labor intensity of staff.

Drawings

FIG. 1 is a schematic view of the flow structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides two embodiments:

the first embodiment is as follows:

the utility model provides an online accurate batching technique of non-contact based on elemental analysis includes neutron source, detector, signal processing cabinet and host computer, its characterized in that: the online element analyzer is arranged above the belt, is provided with a checking computer and a batching computer, is connected with the control room computer through an external network junction box, and comprises hardware and software, a host computer of the online element analyzer collects digital signals from the electronic signal processing unit, analyzes the digital signals and calculates the element component content and related quality control parameters;

the online element analyzer inspection computer and the online element analyzer batching computer are connected with the online element analyzer signal processing cabinet through the optical fiber box, and the online element analyzer signal processing cabinet is connected with the online element analyzer control cabinet through the optical fiber.

A protective device is arranged on the outer side of the on-line element analyzer and used for isolating the radiation of the neutron source;

the neutron source is arranged at the lower part of the measuring device and is positioned right below the material belt, one or more 252Cf source cores packaged by stainless steel are arranged in the neutron source, the neutron source emits fast neutrons with average energy of 2.35Mev, the fast neutrons are moderated into thermal neutrons by the measuring device, the thermal neutrons irradiate the cement material and each element nucleus in the material to generate thermal neutron capture reaction, characteristic gamma rays with different energy and intensity are emitted, the element types in the material are identified by detecting the energy of the characteristic gamma rays, and the element content is obtained by detecting the intensity of the gamma rays with specific energy.

The device comprises a receiving device, a detector, a ray inhibitor and a constant temperature component, wherein the receiving device is used for receiving the camera shooting sent by the material under the action of neutrons, the ray inhibitor is wrapped outside the detector and interferes with rays, and the constant temperature component is used for keeping the detector at a constant temperature.

An electronic signal processing component and a temperature control component are arranged in the signal processing cabinet;

the electronic signal processing part and the temperature control part can provide high and low voltages, and the electronic signal processing part converts an analog signal from the detector into a digital signal through the ADC;

the temperature control component is used for controlling the temperature of the detector and the temperature in the cabinet.

The batching process comprises static calibration and dynamic calibration;

the static calibration process is as follows: performing static calibration by using a standard sample, installing an online analyzer, and electrifying and debugging;

stopping the belt, emptying the belt, and sequentially putting 6 groups of standard samples, wherein each group of standard samples is tested for one hour;

the error is calculated by comparing the on-line analyzer measurements with the true values of the sample composition.

Dynamic calibration adjusts the grinding sampler to automatic continuous sampling through the material analyzer, the sampling frequency is 20 times per hour, the material of the sampler is uniformly stirred, the assay detection is carried out by the fluorescence analyzer or manual full analysis, the assay value is compared with the monitoring data of the on-line analyzer, and the dynamic parameter fitting calibration is carried out.

Example two:

the instrument detection and batching process is as follows:

a measuring device of the online analyzer is arranged on a main belt of the grinding machine, and the online component detection is carried out on the material flowing on the belt;

the detection interval is one minute, and an analysis structure is given;

timely carrying out matched blanking according to a real-time monitoring result, and stabilizing the taste content of the limestone in a warehouse;

the ingredient analysis analyzer compares the current three rates with the target value, and changes the ratio once every two minutes to stabilize the fluctuation of the grinding raw materials and improve the qualification rate.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.