JPH09329604A - Automatic sample analyzer for iron manufacturing - Google Patents

Abstract

PROBLEM TO BE SOLVED: To save the manpower, while enhancing the analytical accuracy, of a system in which an automatic sample analyzer (analytical computer) for iron manufacturing issues a preparation command and an analysis command for a sample sampled by a sampler from each process of a plant based on a manufacturing command including a manufacturing number and an analytical standard inputted from a business computer and carried to the analytical center through a sample carrier and an automatic sample preparing unit and an analyzer in the analytical center prepares and analyzes the sample, respectively. SOLUTION: A process computer 2A provides an analytical computer 8A with sample information 30 from a sampler 3A for each sample and operational information 20 from a plant facility 7 every time when the operation is altered and a sample carrier 4A provides the computer 8A with carriage information 40 upon delivery and arrival of the sample. The computer 8A can retrieves a relevant manufacturing instruction 10 by specifying the production number of an arrived sample.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic iron-making sample analysis apparatus for automatically performing real-time analysis of a sample of iron material in the iron-making process of iron products taken from plant equipment parts for each process of an iron mill, and more specifically, , In addition to the manufacturing order to give up the standard of the iron product to be manufactured at any given time, in particular, the sampling information indicating the sampling location and sampling time of the analysis sample, the operation information indicating the operation content of the plant equipment for each process, and the sample The transportation information indicating the sampling location of the sample is automatically input together with the timing of shipment to and arrival at the analysis center, and a preparation command for the automatic sample preparation device and an analysis command for the analysis device provided at the analysis center are issued for analysis. The analysis result is input from the device and output as feedback information for controlling plant equipment for each process, as well as control of related equipment start / stop, interlock, etc. It relates to an apparatus to carry out.

[0002] In the drawings, the same reference numerals indicate the same or corresponding parts.

[0003]

2. Description of the Related Art FIG. 5 is a conceptual block diagram showing an example of a system (hereinafter referred to as an iron-making sample analysis system) centering on a conventional iron-making sample analysis automation device (hereinafter also abbreviated as an analysis computer). In the figure, 1 is a business computer that issues a manufacturing order including a manufacturing number, a manufacturing standard, an elemental composition target value, etc. of a steel product to be manufactured each time an order is received, and 7 is a blast furnace, a toped car (that is, a molten pig iron of the blast furnace. (Equipment for transporting), converter, degassing plant, continuous casting plant, rolling plant, and the like, plant equipment comprising plant equipment for each iron-making process, 2 is usually provided for each plant equipment for each process in the plant equipment 7, 9A is a CRT attached to the process computer 2 and provided in the analysis center, which is a process computer for controlling the target plant equipment and inputting operation information indicating the operation content from the target plant equipment.

Next, 3 is provided for each process-specific equipment of the plant equipment 7, and a sampling device for collecting an analytical sample of the iron material in the iron making process from the process-related equipment part is used. The sample transport device transports the sample thus prepared to an analysis center via a pneumatic tube or the like. The DP is an electronic display panel attached to the sample transport device 4 and displaying the transport source (that is, the sampling destination) of the sample transported in the analysis center.

Next, 5 is an automatic sample preparation device provided in the analysis center, which is conveyed by the sample conveyance device 4 and arrives at the analysis center, and the sample set by the operator is used as a standard for determining the sample preparation method. Based on the preparation command CM1 including the preparation pattern, by cutting, hollowing, polishing, etc., an analytical sample piece of a shape specified by the preparation pattern, such as a disc or a sphere, to be passed to the analyzer is automatically processed. 9B is a CRT attached to the automatic sample preparation device 5.

Reference numeral 6 denotes the above-described analysis device provided in the analysis center, which separately gives an analysis command CM2 (that is, a calibration curve number for designating the level of the calibration spectral line for component analysis) to the passed analytical sample piece. Standards that define analysis methods such as
The analysis is performed in accordance with a command consisting of a target component value or the like as a target content ratio of component elements such as C and Si that should be contained in the analytical sample piece, and the component ratio of the analysis result and the pass / fail judgment result are output.

Reference numeral 8 denotes the above-mentioned analysis computer which is the center of this system, and the manufacturing instruction 10 and the sample inputted in advance from the business computer 1 in response to the instruction request RQ including the sample information described later from the automatic sample preparation device 5. The information is collated and the above-mentioned preparation command CM1 is issued to the automatic sample preparation device 5, the analysis command CM2 is issued to the analysis device 6, and feedback information is sent to the process computer 2 based on the analysis result from the analysis device 6. give.

In the system of FIG. 5, the sample carried by the sample carrying device 4 to the analysis center is set in the automatic sample preparing device 5 by the operator. Simultaneously with the setting of the sample, the operator reads the sampling information such as the sender of the sample (in other words, the sampling place of the sample) from the electronic display panel DP, and the operator of the process computer 2 for the plant equipment of the sample sender. From the CRT 9A, the operation information 20 including the manufacturing number, the operation status, etc. relating to the current operation of the equipment is read, and the read contents are operated and input to the CRT 9B of the automatic sample preparation device 5 as sample information. As a result, the command request RQ including the above-described sample information is output from the automatic sample preparation device 5 to the analysis computer 8.

FIG. 6 is a conceptual block diagram showing a different example of the conventional iron-making sample analysis system. In the figure, KB is a transportation panel provided at the sample collection place (that is, a shipping place) of each plant equipment for each process of the plant equipment 7, and is a transportation panel attached to the sample transportation device 4, and the operator can obtain the sample information about the collected sample. Is for manual input. When this sample is transported to the analysis center and arrives, this sample is carried into the automatic sample preparation device 5, and at the same time, the automatic sample preparation device 5
Inputs the transport information indicating the arrival of the sample and the sample information about the sample to the analyzing computer 8. As a result, the analysis computer 8 collates the sample information with the manufacturing instruction 10 from the business computer 1 as in FIG.
Preparation instruction CM1 for automatic sample preparation device 5 and analyzer 6
Issue an analysis command CM2 to

That is, in the conventional iron-making sample analysis system, FIG.
As described above, since the input paths of the operation information 20 and the collection information are independent, a person (operator) judges this information and connects it and inputs it as sample information, or as shown in FIG. A person (operator) was inputting sample information.

[0011]

However, the above-mentioned iron-making sample analysis system has the following problems. (1) Since a person judges and inputs the information to be input to the analysis computer 8, by giving an incorrect judgment result,
This caused rework of analysis work and prolongation of analysis work time.

(2) Since it depends on the experience of the person (operator), the judgment result is biased by the person, and the uniform analysis work cannot be performed. For this reason, the analysis accuracy is deteriorated. Therefore, an object of the present invention is to provide an iron-making sample analysis automation device capable of solving such a problem.

[0013]

In order to solve the above-mentioned problems, the iron-making sample analysis automation device (8A) according to claim 1 comprises:
A serial number (11) indicating a manufacturing unit of an iron product in a steel manufacturing plant, and data (manufacturing standard 1) specifying a method for preparing a sample piece from an analytical sample (via standard information SD etc.)
2), a manufacturing instruction including data (manufacturing standard 12) that specifies the analysis method of this sample piece (via standard information SD etc.), and a target value of the elemental component in the sample piece (component target value 13) (10) Manufacturing instruction issuing means that emits light each time an iron product is ordered, and an analytical sample of an iron product in the process of manufacture obtained by operating the plant equipment for each process of the steel making process (7) With each and every one of this collection,
Operation classification (comprising collection location code 31, equipment classification 32, etc.) as information for identifying the collection location (20
0) and the sampling information (30) including the sampling time (32), and while monitoring and controlling the above-mentioned plant equipment for each process, the sampling equipment (sample collecting device 3A) for outputting the collection information (30) from the plant equipment for each process. A process computer (2A) for fetching the operation information (20) for each operation classification including the manufacturing number related to the operation of the plant equipment for each process, and inputting the sampling information from the sampling means for each change of operation. , A sample preparation means for preparing an analytical sample carried in itself into a sample piece for analysis in accordance with a preparation instruction (CM1) that conveys the preparation method specified by the manufacturing instruction (via the preparation pattern SD1) (sample automatic The preparation device 5) conveys and carries in the analytical samples collected by the respective sample collecting means to the sample preparing means, respectively, and at the time of starting the transportation (at the time of shipment) and at the time of carrying in. At the (arrival time), the sample transfer means (sample transfer device 4A) for sending out the transfer information (40) including the operation classification relating to the analysis sample, respectively, and the given sample piece are designated by the manufacturing instruction ( Analyzer type SD
(2, standard curve number SD3, gas analysis presence / absence SD4 etc. are defined) Analysis method and analysis command to convey the target value of elemental component (C
In a system (steel-making sample analysis system) equipped with analysis means (analyzer 6) for performing analysis according to M2) and outputting the analysis result, the production order is issued from the production order issuing means, and the operation information and the sampling information are sent from the process computer. ,
The transport information is input from the sample transport means, and the serial number related to the analytical sample carried into the sample preparation means (using the operation category 200 as a key) is specified from the operation information, the collection information, and the transport information, and The manufacturing instruction including the manufacturing number is referred to (the standard information SD is checked by using the manufacturing standard PS as a key), the preparation instruction and the analysis instruction based on the manufacturing instruction are created, and issued to the sample preparation means and the analysis means, respectively. .

Further, in the iron-making sample analysis automation device according to claim 2, in the device according to claim 1, the operation information input from the process computer is stored in the previous operation information 20.
A, the current operation information 20B) is held in a time series that goes back a predetermined time from the present time, and the manufacturing number is specified as described above by referring to the operation information in this time series as necessary. Further, in the iron-making sample analysis automation device of claim 3, in the device of claim 1 or 2, the manufacturing instruction issuing means is a business computer (1).

The core function of the present invention is as follows. That is, the iron-making sample analysis automation device (analysis computer) 8A includes the collection information 30 (collection place code 31, equipment category 32, collection time 33, which is input from the sample collection device 3A through the process computer 2A, and the collection place code 31. And equipment division 32 represents operation division 200)
And the transport information 40 (including the operation category 200) input at the time of sending and arriving the sample from the sample transport apparatus 4A, the operation category 20 for the sample arriving at the automatic sample preparation apparatus 5
The manufacturing number 11 is obtained by fixing 0 and indexing the operation information 20 input from the process computer 2 using the operation classification 200 as a search key. And serial number 11
With the key as a key, the manufacturing instruction 10 is indexed to obtain the manufacturing standard 12 and the component target 13. The preparation method and the analysis method of the sample are obtained by referring to the standard information SD from the manufacturing standard 12, the preparation method is transmitted to the automatic sample preparation device 5 by the preparation command CM1, and the analysis method and the component target value 13 are sent to the analysis device 6 by the analysis command CM2. Tell.

[0016]

1 is a conceptual block diagram of an iron-making sample analysis system as an embodiment of the present invention. In the same figure, the new sampling device 3A uses a new process computer 2A for collecting sampling information 30 which will be described later each time sampling is performed.
Send to Then, the process computer 2A uses the operation information 20 input from the plant equipment 7 and the sampling device 3
The collection information 30 input from A is given to a new iron-making sample analysis automation device (analysis computer) 8A. Further, the new sample transport device 4A transmits transport information 40, which will be described later, to the analysis computer 8A when the analytical sample is shipped and when it arrives.

As described above, in the present invention, the analysis computer 8A, together with the manufacturing instruction 10, receives all other input information 20,
30 and 40 are automatically input in real time without human intervention, and the preparation instruction CM1 and the analysis instruction CM2 are issued to the automatic sample manufacturing apparatus 5 and the analysis apparatus 6, respectively. 2 and 3 are flowcharts showing the operation of the analysis computer 8A according to the present invention, and (1) to (7) are the operation numbers. Next, the operations (1) to (7) in FIGS. 2 and 3 will be described with reference to FIG.

(1) Manufacturing instruction 10 (manufacturing number 11, manufacturing standard 12, component target value 13 from the business computer 1)
Etc.) to the analysis computer 8A and stored in the computer 8A using the manufacturing number 11 as a key (see FIG. 3). (2) The operation information 20 (the operation management number 21 including the manufacturing number 11 and other management numbers not shown in the figure, and the operation status 22) at the timing when the operation of the plant equipment for each operation classification 200, which will be described later, changes from the process computer 2A.
(Consisting of, for example, the operation process number in the plant facility) is transmitted to the analysis computer 8A (see FIG. 2).

The operation information 20 is the operation classification 200.
Is stored as a key in the analysis computer 8A. (3) The analysis computer 8A updates the operation information 20 of the changed operation classification 200. Operation information 20
It has a two-layer structure of current value information 20B / previous value information 20A.

In the updating method, the value of the current value information 20B is stored in the previous value information 20A, and the latest operation information 20 transmitted is stored in the current value information 20B (see FIG. 2). (4) Process computer 2 at the timing of sampling
Collection information 30 (collection location code 31 / equipment classification 3 from A)
2, consisting of collection time 33, etc.)
Send to A (see FIG. 2).

The collection information 30 is stored in the analysis computer 8A using the collection place code 31 as a key. When the collection information 30 is transmitted from the process computer 2A, the operation classification 200 is determined from the collection location code 31 and the equipment classification 32. Then, the operation information 20 can be searched as described above using the operation classification 200 as a key (see FIG. 2).

(5) From the sample transport device 4A, transport information 40 (including the sample collection location code 31 and equipment category 32, that is, operation category 200) is sent to the analysis computer 8A for each shipment and arrival tanning of the sample ( See FIG. 2). (6) The analysis computer 8A determines the operation classification 200 by searching the collection information 30 with the collection location code 31 in the transport information 40 at the time of arrival of the sample. The operation information 20 is retrieved from this operation division 200, and the automatic sample preparation device 5
Obtain the serial number 11 for the sample that arrived at. However, as shown in FIG. 3, for the sample for which the manufacturing number 11 cannot be determined only by the operation classification 200, it is determined by the combination of the following two information (see FIG. 2).

The time difference between the collection time 33 and the shipping time (however, the shipping time is obtained from the receiving time of the transport information 40 at the time of shipping. Current value information 20B and previous value information 20A of operation information. Is shown in FIG.
In the figure, the operation information 2 at the time t1 when the sample is collected
The value of the manufacturing number 11 in 0 (“A010” in this example) and the value of the manufacturing number 11 in the operation information 20 at the time t2 when the sample is shipped (“A020” in this example) are different, and exactly two operations are performed. When the information 20 is straddled, the manufacturing number 11 cannot be determined only by the operation classification 200.

(7) The manufacturing instruction 10 transmitted from the business computer 1 is retrieved by the determined manufacturing number 11 (see FIG. 3). The standard information SD is searched by the manufacturing standard 12 included in the searched manufacturing instruction 10, and the preparation method (preparation pattern SD1), the analysis method (analyzer type SD2, calibration curve number SD3, gas analysis presence / absence SD).
4) is decided. Further, the manufacturing target 10 determines the component target value 13.

As a result, in the operation of FIG. 1, the analysis computer 8A causes the preparation pattern SD1 determined as described above.
Is given to the automatic sample preparation device 5 by the preparation instruction CM1,
Similarly determined analyzer type SD2, calibration curve number SD
3. The gas analysis presence / absence SD4 and the target component value 13 are given to the analyzer 6 as an analysis command CM2.

[0026]

According to the present invention, the manufacturing instruction (including the manufacturing number, the manufacturing standard, the component target value, etc.) for each iron product to be manufactured is input from the business computer in advance, and it is sampled from various places of the iron manufacturing plant facility. Each time a sample for analysis is loaded into the automatic sample preparation device of the analysis center, the manufacturing instruction corresponding to this sample is searched for, and the sample automatic preparation device and analyzer are connected to
For each iron sample analysis automation device (analysis computer) that should give a preparation command and an analysis command and perform the analysis determined by the manufacturing command, the sampling information (sampling location code, equipment classification,
(Sampling time, etc.) and the plant equipment operation information (consisting of the serial number, etc.) corresponding to each sampling information, and at the same time, transports the sample from the sampling location of the plant equipment to the automatic sample preparation device of the analysis center. When a sample is sent from the sample transfer device, each time it arrives, the transfer information including the sample collection location and equipment category is input, and the manufacturing number is calculated for the analysis computer that arrived at the analysis center in the analysis computer. Since the search is made, the following effects can be obtained.

(1) Since it is not necessary for a person (operator) to make a judgment and input information into the analysis computer, further labor saving of factory automation can be achieved. (2) By making the determination of the manufacturing number uniform, it is less likely to give an incorrect determination result. Thereby, the analysis work can be speeded up as compared with the conventional method.

(3) Since the machine automatically performs the analysis work based on the preparation instruction and the analysis instruction obtained through the automatic determination of the manufacturing number, the analysis accuracy is improved.

[Brief description of drawings]

FIG. 1 is a conceptual configuration diagram of a system as an embodiment of the present invention.

FIG. 2 is a flowchart showing a part of an operation of a main part of the iron-making sample analysis automation device of FIG.

FIG. 3 is a flow chart showing the remainder of FIG.

FIG. 4 is an explanatory diagram showing an example in which the manufacturing number cannot be immediately determined in the system of FIG.

5 is a conceptual configuration diagram showing an example of a conventional system corresponding to FIG.

FIG. 6 is a conceptual configuration diagram showing another example of the conventional system.

[Explanation of symbols]

 1 Business Computer 2A Process Computer 3A Sampling Device 4A Sample Transfer Device 5 Automatic Sample Preparation Device 6 Analyzing Device 7 Plant Equipment 8A Iron Making Sample Analysis Automation Device (Analyzing Computer) 10 Manufacturing Order 11 Manufacturing Number 12 Manufacturing Standard 13 Component Target Value CM1 Preparation command CM2 Analysis command SD Standard information SD1 Preparation pattern SD2 Analysis device type SD3 Calibration curve number SD4 Gas analysis existence 20 Operation information 20A Previous operation information 20B Current operation information 21 Operation management number 22 Operation status 30 Collection information 31 Collection location code 32 Equipment Classification / classification (equipment classification) 33 Collection time 40 Transport information 200 Operation classification

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshimitsu Suzuki 1 Fujimachi, Hino City, Tokyo Within Fujifacom Control Co., Ltd. (72) Inventor Yoshiro Takizawa 1 Kawasakimachi, Chuo-ku, Chiba, Chiba Kawatetsu Techno Research Co., Ltd. In-house (72) Inventor Jun-ichi Yanagi, Kawatetsu Techno Research Co., Ltd. 1 Kawasaki-cho, Chuo-ku, Chiba-shi, Chiba

Claims (3)

[Claims] 1. A production number indicating a production unit of an iron product in an iron manufacturing plant, data designating a method for preparing a sample piece from an analytical sample, data designating an analysis method for this sample piece, and A manufacturing order issuing means that emits a manufacturing order including a target value of elemental components for each iron product order, and a steel product in the process of being obtained by operating the plant equipment for each process from the plant equipment part for each process A sampling device that collects an analysis sample and outputs sampling information including the operation classification as information for identifying the sampling location and the sampling time each time the sampling is performed, and the plant equipment for each process is monitored and controlled. While taking in the operation information for each operation category, including the manufacturing number related to the operation of the plant equipment for each process for each change in the operation, from the plant equipment for each process A process computer for inputting collection information from the collection means, a sample preparation means for preparing an analysis sample carried in itself into a sample piece for analysis in accordance with a preparation instruction which conveys a preparation method specified by the manufacturing instruction, each of the above A sample that transports the analytical samples collected by the sample collecting means to the sample preparing means and carries them in, respectively, and sends out the transportation information including the operation classification relating to the analytical samples at the start time and the transportation time of the transportation, respectively. A transport means, a system provided with an analysis means for analyzing a given sample piece in accordance with an analysis method designated by the manufacturing instruction and an analysis instruction for transmitting a target value of an elemental component, and outputting the analysis result, wherein the manufacturing instruction issuance is issued. The manufacturing command is input from the means, the operation information and the sampling information are input from the process computer, and the transfer information is input from the sample transfer means. The manufacturing number relating to the analytical sample carried into the sample preparing means is specified from the report, collection information, and transportation information, the manufacturing instruction including this manufacturing number is referred to, and the preparation instruction and the analysis instruction based on this manufacturing instruction are given. An iron-making sample analysis automation device, which is created and issued to the sample preparation means and the analysis means, respectively. 2. The apparatus according to claim 1, wherein the operation information input from the process computer is held in a time series that goes back a predetermined time from the present time, and the manufacturing number is referred to when necessary by referring to the operation information in this time series. An iron-making sample analysis automation device characterized by being specified as described above. 3. The iron-making sample analysis automation device according to claim 1, wherein the manufacturing instruction issuing means is a business computer.