CN113252520A - Pellet ore granularity monitoring control system and method based on weighing analysis - Google Patents
Pellet ore granularity monitoring control system and method based on weighing analysis Download PDFInfo
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- CN113252520A CN113252520A CN202110617322.0A CN202110617322A CN113252520A CN 113252520 A CN113252520 A CN 113252520A CN 202110617322 A CN202110617322 A CN 202110617322A CN 113252520 A CN113252520 A CN 113252520A
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- 238000005303 weighing Methods 0.000 title claims abstract description 42
- 239000008188 pellet Substances 0.000 title claims abstract description 40
- 238000004458 analytical method Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005453 pelletization Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000002390 adhesive tape Substances 0.000 claims description 11
- 238000012216 screening Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000007619 statistical method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 235000019580 granularity Nutrition 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013072 incoming material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0272—Investigating particle size or size distribution with screening; with classification by filtering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
- G01G19/42—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight for counting by weighing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention belongs to the technical field of pellet granularity monitoring of pelletizing workshops of steel enterprises, and particularly relates to a pellet granularity monitoring control system and method based on weighing analysis. The invention is based on the weighing and metering principle, adopts the modular design, converts the pellet granularity detection problem into the weight detection problem, reduces the dimension of the complex process to the realizable process, realizes the real-time acquisition and analysis, and realizes the monitoring, the display, the analysis and the linkage control of the upper computer.
Description
Technical Field
The invention belongs to the technical field of pellet granularity monitoring of a pelletizing workshop of an iron and steel enterprise, and particularly relates to a pellet granularity monitoring control system and method based on weighing analysis.
Background
The granularity distribution of pellets in a pelletizing workshop is the most important index in workshop production, and the content improvement of qualified pellets is the most important index in workshop production, so the granularity ratio of the qualified pellets, namely the proportion of the qualified pellets, is an important basis for adjusting production. However, the current market research in this field is still in the starting stage, most of the corresponding products are video analysis, the debugging period is too long, and the price is high.
Disclosure of Invention
The invention aims to provide a pellet granularity monitoring control system and method based on weighing analysis.
The purpose of the invention is realized by the following technical scheme:
the invention discloses a pellet granularity monitoring and controlling system based on weighing analysis, which is characterized by comprising a plurality of weighing scales, a shielding cable, a computer system and an upper computer system, wherein the weighing scales are respectively arranged at three belts of a qualified pellet, a big pellet and a small pellet and are positioned below a pelletizing disc roller screen, the shielding cable is connected with each weighing scale, the computer system is connected with the shielding cable, the upper computer system is connected with the computer system, the computer system comprises a signal isolator, a direct-current power supply, an IO module and a computer, and the upper computer system comprises a software simulation analysis model.
Each weighing and metering scale is a high-precision metering scale.
A monitoring and analyzing method of a pellet ore granularity monitoring and controlling system based on weighing analysis is characterized by comprising the following steps:
(1) arrangement of system hardware: a plurality of weighing scales are respectively arranged above the qualified ball, the big ball and the small ball, and the number and the positions of the weighing scales are in one-to-one correspondence with the number of the balling disks; three adhesive tape machines of qualified balls, big balls and small balls run uninterruptedly, n blanking points are counted on each belt, the number of n is the same as that of the balling disks, namely WE-0101-WE-010 n correspond to the qualified ball blanking points of n screening machines, WE-0201-WE-020 n correspond to the small ball blanking points of n screening machines, and WE-0301-WE-030 n correspond to the big ball blanking points of n screening machines;
(2) signal acquisition, transmission, modeling and calculation: the weight signal collected by the metering scale is transmitted to a calculating cabinet through a shielded cable, and a signal isolator, a direct-current power supply, an IO module and a computer are arranged in the calculating cabinet and used for signal collection and control instruction issuing; the signals processed by the computer cabinet are sent to an upper computer system for software simulation analysis; the weight data of the weighing scale corresponds to the weight information of the adhesive tape machine, the weight data of No. 1-n balling disks are subjected to statistical analysis, the data collected by the weighing scale are subjected to mathematical modeling to form a weight curve, and the green ball amount passing through a belt in unit time is calculated; the weight of qualified balls, large balls and small balls produced by each ball tray is calculated by monitoring the weight of the qualified balls, the large balls and the small balls below the sieve of each pelletizing tray roller corresponding to unit time, the weight proportion is calculated, the granularity proportion of the pellets is fitted, and the weight proportion is displayed on an upper computer system;
(3) signal processing and feedback control: finally, after the granularity proportion of each pellet is generated, analyzing data composition, adjusting parameters such as water supply, angle and speed of the pelletizing disc, adjusting the generation condition of the pelletizing disc in real time, realizing closed-loop detection and control, and displaying the closed-loop detection and control in an upper computer; and finally, the control feedback of the field interlocking equipment can be realized.
The invention has the advantages that:
the invention relates to a pellet ore granularity monitoring control system and method based on weighing analysis, which is designed based on a weighing and metering principle, adopts a modular design, converts the pellet ore granularity detection problem into a weight detection problem, reduces the dimension of a complex process to an achievable process, converts a measurement signal into a standard signal, sends the standard signal to a computer system, and finally returns the standard signal to a target parameter, thereby realizing real-time acquisition and analysis and realizing monitoring, display, analysis and linkage control of an upper computer.
Drawings
Fig. 1 is a system hardware configuration diagram of the present invention.
FIG. 2 is a diagram of the arrangement of the measuring points of the present invention.
FIG. 3 is a flow chart of the granularity detection and control system of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
As shown in fig. 1-3, the system for monitoring and controlling the granularity of a pellet based on weighing analysis of the present invention is characterized by comprising a plurality of weighing scales 1 respectively arranged at three belts of a qualified ball, a large ball and a small ball and positioned below each balling disk roller screen, a shielding cable connected with each weighing scale 1, a computer system 2 connected with the shielding cable, and an upper computer system 3 connected with the computer system 2, wherein the computer system 2 comprises a signal isolator 2-1, a direct current power supply 2-4, an IO module 2-2 and a computer 2-3, and the upper computer system 3 comprises a software simulation analysis model.
Each weighing and metering scale 1 is a high-precision weighing scale.
A monitoring and analyzing method of a pellet ore granularity monitoring and controlling system based on weighing analysis is characterized by comprising the following steps:
(1) arrangement of system hardware: a plurality of weighing scales 1 are respectively arranged above the qualified ball, the big ball and the small ball, and the number and the positions of the weighing scales 1 correspond to the number of the pelletizing disks one by one; three adhesive tape machines, namely a qualified ball adhesive tape machine 5, a big ball adhesive tape machine 7 and a small ball adhesive tape machine 6, continuously operate, n blanking points are counted on each belt, the number of n is the same as that of the balling disc 4, namely WE-0101-WE-010 n correspond to the qualified ball blanking points of n screening machines, WE-0201-WE-020 n correspond to the small ball blanking points of the n screening machines, and WE-0301-WE-030 n correspond to the big ball blanking points of the n screening machines;
(2) signal acquisition, transmission, modeling and calculation: the weight signal collected by the metering scale is transmitted to a calculating cabinet through a shielded cable, and a signal isolator 2-1, a direct current power supply 2-4, an IO module 2-2 and a computer 2-3 are arranged in the calculating cabinet and used for signal collection and control instruction issuing; the signals processed by the computer cabinet are sent to an upper computer system 3 for software simulation analysis; the weight data of the weighing scale 1 corresponds to the weight information of the adhesive tape machine, the data collected by the weighing scale 1 is subjected to mathematical modeling by carrying out statistical analysis on the weight data of No. 1-n balling disks 4 to form a weight curve, and the green ball quantity passing through a belt in unit time is calculated; the weight of qualified balls, large balls and small balls produced by each ball making disc under a 4-roller sieve is calculated by monitoring the weight of the qualified balls, the large balls and the small balls corresponding to each ball making disc in unit time, the weight proportion is calculated, the granularity proportion of the pellets is fitted, and the weight proportion is displayed on an upper computer system 3;
(3) signal processing and feedback control: finally, after the granularity proportion of each pellet is generated, the data composition is analyzed, parameters such as water supply, angle and speed of the pelletizing disc are adjusted, the generation condition of the pelletizing disc 4 is adjusted in real time, closed-loop detection and control are realized, and the parameters are displayed in an upper computer system 3; and finally, the control feedback of the field interlocking equipment can be realized.
The pellet ore granularity monitoring control system and method based on weighing analysis convert the pellet ore granularity detection problem into the weight detection problem, reduce the dimension of the complex problem to the simple problem, and are specifically implemented as follows: incoming materials of upstream equipment enter an incoming material adhesive tape machine 8, the materials pass through a material distributor and a mixture ore tank 9, a constant feeder 10 enters each pelletizing disc 4, green balls are formed after pelletizing of the pelletizing discs 4, the green balls with different pellet ore granularities fall through a roller screen sieving machine 11 and enter three adhesive tape machines of qualified balls, large balls and small balls, the green ball falling points of each pelletizing disc 4 are different, and after falling, the green balls are sent to a subsequent workshop to enter the next process. The method comprises the steps of arranging a weighing and metering scale 1 at each of three belts of qualified balls, large balls and small balls below a 4-roller screen of each pelletizing disc, transmitting a calibrated weight signal to a computer system 2 through isolation, arranging a software model in the system, analyzing the cumulant of each belt scale in unit time, accounting the total weight, calculating the blanking amount of the qualified balls, the large balls and the small balls of each pelletizing disc, analyzing the weight proportion of each type of green balls, and fitting the granularity proportion of pellet ore. According to the analysis result, parameters such as water supply, angle, speed and the like of the pelletizing disc are automatically adjusted, and finally the effective improvement of the qualified rate of the pellet granularity is realized. A high-precision metering scale is arranged on a running belt, the metering scale 1 adopts a multi-carrier roller measurement mode, and the measured quantity is used as basic data of particle size conversion. And performing mathematical modeling on the data acquired by the weighing scale to form a weight curve, and calculating the green ball amount passing through the belt in unit time. The weight of the qualified balls, the big balls and the small balls produced by each ball tray is calculated by monitoring the weight of the qualified balls, the big balls and the small balls below the sieve of each pelletizing tray roller corresponding to unit time, the weight proportion is calculated, and the granularity proportion of the pellets is fitted.
The invention relates to a pellet granularity monitoring control system and method based on weighing analysis, which is designed based on a weighing and metering principle, adopts a modular design, converts the pellet granularity detection problem into a weight detection problem, reduces the dimension of a complex process to an achievable process, converts a measurement signal into a standard signal, sends the standard signal to a computer system 2, and finally returns the standard signal to a target parameter, thereby realizing real-time acquisition and analysis and realizing monitoring, display, analysis and linkage control of an upper computer system 3.
Claims (3)
1. A pellet ore granularity monitoring and control system based on weighing analysis is characterized by comprising a plurality of weighing scales which are respectively arranged at three belts of a qualified pellet, a big pellet and a small pellet and positioned below a roller screen of each pelletizing disc, a shielding cable connected with each weighing scale, a computer system connected with the shielding cable, and an upper computer system connected with the computer system, wherein the computer system comprises a signal isolator, a direct-current power supply, an IO module and a computer, and comprises a software simulation analysis model.
2. The system as claimed in claim 1, wherein each weighing scale is a high precision scale.
3. A monitoring and analyzing method of a pellet ore granularity monitoring and controlling system based on weighing analysis is characterized by comprising the following steps:
(1) arrangement of system hardware: a plurality of weighing scales are respectively arranged above the qualified ball, the big ball and the small ball, and the number and the positions of the weighing scales are in one-to-one correspondence with the number of the balling disks; three adhesive tape machines of qualified balls, big balls and small balls run uninterruptedly, n blanking points are counted on each belt, the number of n is the same as that of the balling disks, namely WE-0101-WE-010 n correspond to the qualified ball blanking points of n screening machines, WE-0201-WE-020 n correspond to the small ball blanking points of n screening machines, and WE-0301-WE-030 n correspond to the big ball blanking points of n screening machines;
(2) signal acquisition, transmission, modeling and calculation: the weight signal collected by the metering scale is transmitted to a calculating cabinet through a shielded cable, and a signal isolator, a direct-current power supply, an IO module and a computer are arranged in the calculating cabinet and used for signal collection and control instruction issuing; the signals processed by the computer cabinet are sent to an upper computer system for software simulation analysis; the weight data of the weighing scale corresponds to the weight information of the adhesive tape machine, the weight data of No. 1-n balling disks are subjected to statistical analysis, the data collected by the weighing scale are subjected to mathematical modeling to form a weight curve, and the green ball amount passing through a belt in unit time is calculated; the weight of qualified balls, large balls and small balls produced by each ball tray is calculated by monitoring the weight of the qualified balls, the large balls and the small balls below the sieve of each pelletizing tray roller corresponding to unit time, the weight proportion is calculated, the granularity proportion of the pellets is fitted, and the weight proportion is displayed on an upper computer system;
(3) signal processing and feedback control: finally, after the granularity proportion of each pellet is generated, analyzing data composition, adjusting parameters such as water supply, angle and speed of the pelletizing disc, adjusting the generation condition of the pelletizing disc in real time, realizing closed-loop detection and control, and displaying the closed-loop detection and control in an upper computer; and finally, the control feedback of the field interlocking equipment can be realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110617322.0A CN113252520A (en) | 2021-06-03 | 2021-06-03 | Pellet ore granularity monitoring control system and method based on weighing analysis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110617322.0A CN113252520A (en) | 2021-06-03 | 2021-06-03 | Pellet ore granularity monitoring control system and method based on weighing analysis |
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| CN202110617322.0A Pending CN113252520A (en) | 2021-06-03 | 2021-06-03 | Pellet ore granularity monitoring control system and method based on weighing analysis |
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| CN210314420U (en) * | 2019-08-20 | 2020-04-14 | 湘潭瑞通球团有限公司 | Pelletizing system for oxidized pellets |
| CN112317110A (en) * | 2020-09-27 | 2021-02-05 | 鞍钢集团矿业有限公司 | Ore grinding granularity prediction system and method based on deep learning |
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2021
- 2021-06-03 CN CN202110617322.0A patent/CN113252520A/en active Pending
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