CN113231483A - Method for automatically setting air cooling section process of wire production line - Google Patents
Method for automatically setting air cooling section process of wire production line Download PDFInfo
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- CN113231483A CN113231483A CN202110437812.2A CN202110437812A CN113231483A CN 113231483 A CN113231483 A CN 113231483A CN 202110437812 A CN202110437812 A CN 202110437812A CN 113231483 A CN113231483 A CN 113231483A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0224—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for wire, rods, rounds, bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
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Abstract
The invention discloses a method for automatically setting air-cooling section process of wire production line, which comprises the steps of establishing a furnace-entering product sequence, a furnace-exiting product sequence and a wire-exiting laying head product sequence which are updated in real time by recording the time when each product passes through three special positions of a furnace-entering sensor, a furnace-exiting sensor and a wire-exiting laying head sensor, comparing product information of a new product with the last product passing through the furnace-entering sensor when the new product passes through the furnace-entering sensor, and judging whether a new air-cooling section process issues a task according to a comparison result. And subsequently, the proper process issuing opportunity is confirmed by combining the discharging product sequence and the discharging laying head product sequence information, and the air cooling section equipment of the production line is timely and accurately adjusted, so that the aim of automatically setting the air cooling section process of the production line is fulfilled.
Description
Technical Field
The invention relates to the technical field of wire production processes in the metallurgical industry, in particular to a method for automatically setting an air cooling section process of a wire production line.
Background
The steel material has important application in the industrialized development process of China, wherein the wire rod is used as the main product of steel products and has very wide application. Wire rods are produced by rolling technology of steel raw materials, the quality and performance of the wire rods have great relevance to production equipment and processes, and the production processes also comprise a cooling process of an air cooling section of a production line. In the production process of a wire rod workshop, the steel grade and the specification of a product are frequently switched all the time, and the air cooling section process of a wire rod production line is accurately adjusted in time, so that the production rhythm of the production line can be improved on the premise of ensuring the product quality.
At present, the cooling process parameters involved in the rolling process of the square billet still need to be manually input by an operator, and the parameters mainly comprise: the rotating speed of the cooling fan, the opening of a baffle of the cooling fan and the speed of the conveying roller are more in parameters and have the risk of wrong input. In the current actual production process, an operator still needs to pay attention to production line monitoring pictures and interphone information to confirm issuing opportunities, and information deviation and omission are easily caused.
Disclosure of Invention
The invention aims to solve the technical pain point in the production process, comprehensively analyze the discharging sequence condition of the square billet to be rolled in the heating furnace and the position tracking information table of the wire product rolling mill, and realize the automatic setting of the air cooling section process of the wire production line. In the running process of the system, operators do not need to pay attention to monitoring pictures and manually input process parameters all the time, and the production efficiency and the automation level of a production line are improved.
In order to achieve the above purpose, the specific implementation technical scheme is as follows:
a method for automatically setting an air cooling section process of a wire production line specifically comprises the following steps:
acquiring basic information of a wire production line: the system comprises a furnace inlet sensor signal, a furnace outlet sensor signal, a laying head sensor signal and product information of each square billet to be rolled;
establishing a product passing sequence list corresponding to each sensor: establishing a corresponding product passing sequence table according to the time sequence of the products passing through the three sensors;
obtaining a furnace product comparison result: when a new product enters the furnace, comparing the information of the product entering the furnace with the information of the previous product, and adopting a proper processing scheme according to the comparison condition of the specifications of the two products and the steel grade;
determining proper time to execute the task of sending the technological parameters of the air cooling section: determining a proper air-cooling section process parameter issuing time by combining a current air-cooling section process parameter issuing task form, a discharging product sequence table and a discharging spinning machine product sequence table, and realizing the automatic setting target of the air-cooling section process;
as a further improvement and refinement of an embodiment of the invention, the step of obtaining the product information of each billet to be rolled in the basic information of the wire production line comprises the product number, specification and steel type information of each billet to be rolled;
as a further improvement and refinement of an embodiment of the present invention, the step of "establishing a product passing sequence table" described in the product passing sequence table "corresponding to each sensor" includes: the products entering the furnace pass through the sequence table, the products leaving the furnace pass through the sequence table, and the products leaving the spinning machine pass through the sequence table. Wherein, the time, product number, specification and steel grade information of products passing through the furnace sensor are recorded by the furnace entering products through the sequence table; the time, product number, specification and steel grade information of the product passing through the discharge sensor are recorded by the discharged product through the sequence table; recording the time, product number, specification and steel grade information of the product passing through the spinning machine sensor by the spinning machine product through a sequence table;
as a further improvement and refinement of an embodiment of the present invention, the "comparison condition" described in the step "obtaining comparison result of furnace entering products" specifically includes the following three conditions, assuming that the current furnace entering product is a, and the previous furnace entering product of a is B:
the first condition is as follows: the A and B specifications are consistent, and if the steel grades are consistent, the treatment is not needed, and the current state is continuously maintained;
case two: if the specifications of A and B are inconsistent, stopping tapping of the heating furnace after a discharge sensor monitors that a product B leaves the heating furnace, stopping the whole wire production line after the product B leaves a cooling line, performing roll gap adjustment operation by an operator, manually issuing air cooling section process parameters suitable for the product A by the operator after the operation is finished, recovering production of the wire production line, and recovering tapping of the heating furnace;
case three: if the specifications of A and B are consistent and the steel grades are not consistent, a new air cooling process for switching B to A is established in the system to issue a task; when a discharging sensor monitors that a product B leaves the heating furnace, the heating furnace stops tapping, and tapping is resumed after 3-4 tapping clearance time is reserved; when the sensor of the laying head monitors that a product B leaves the laying head and enters an air cooling line, the sensor automatically starts to execute the process parameter issuing operation of the air cooling section;
as a further improvement and refinement of an embodiment of the invention, the step of determining a proper time to execute the air cooling process issuing task needs to be specifically divided into the following four stages, assuming that the current task to be executed is the air cooling process issuing task of switching B to A, and the air cooling section of the production line has N rollgang in total:
stage one: obtaining a current passing sequence table of the spinning machine product, and if the time for leaving the spinning machine is not recorded in the table B, not processing the product; if the time of B leaving the laying head is recorded in the table, the running speed of each roller way of the air cooling section at the moment is obtained, and the estimated time of B reaching each roller way is calculated by combining the length of each roller way;
and a second stage: supposing that the product B is currently positioned in the nth roller way and n is less than or equal to 3, temporarily not adjusting the technological parameters of the air cooling section;
and a third stage: n is more than 3 and less than N, the running speed of the (N-3) th roller way, the rotating speed of a cooling fan near the roller way and the opening of a baffle plate are adjusted according to the air cooling process of the product A;
and a fourth stage: if N is equal to N, adjusting the technological parameters of the last three roller ways and fans and baffles nearby the roller ways according to the air cooling process of the product A; at this time, the automatic setting of the air cooling section process of the wire production line is finished.
Compared with the prior art, the invention has the beneficial effects that:
compared with a method for manual input by an operator, the current air cooling process automatically acquires and fills process parameters from the system, so that the possibility of wrong input is eliminated;
the position tracking information table of the wire rod product rolling mill is updated in real time, so that an operator can timely and accurately know the production condition of the current production line, the monitoring video of the production line does not need to be concerned all the time, and the reliability and timeliness of information transmission are improved;
the system realizes the automatic issuing of the air cooling section process of the wire production line, can timely process all conditions in normal production, improves the production efficiency and reduces the working strength of operators.
Drawings
The invention has 3 drawings, and the specific definitions are as follows:
FIG. 1: a schematic view of a conventional wire rod rolling production line structure;
FIG. 2: according to the invention, the flow chart of the production line is adjusted according to the comparison result of the products entering the furnace;
FIG. 3: in the invention, the air cooling process of 'B' is switched to 'A' to issue a task execution flow chart;
wherein the reference symbols in fig. 1 are explained as follows:
1. the system comprises an on-site electric control box 2, an industrial control computer 3, an information input device 4, a display 5, a heating furnace controller 6, a heating furnace 7, a spinning machine 8, an air-cooling section cooling fan 9, an air-cooling section conveying roller way 10, a square billet 11, a computer power line 12, a heating furnace controller power line 13, a heating furnace controller signal transmission line 14, a furnace inlet sensor 15 and a furnace outlet sensor
16. Sensor for laying head
In fig. 2: supposing that the current furnace entering product is A and the previous furnace entering product of A is B;
in fig. 3: assuming that the last product of the old steel grade is B and the first product of the new steel grade is A according to the production sequence;
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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.
A universal wire rod rolling line as shown in fig. 1, comprising: the system comprises an on-site electrical control box 1, an industrial control computer 2, an information input device 3, a display 4, a heating furnace controller 5, a heating furnace 6, a laying head 7, an air-cooled section cooling fan 8, an air-cooled section conveying roller way 9, a square billet 10, a computer power line 11, a heating furnace controller power line 12, a heating furnace controller signal transmission line 13, a furnace inlet sensor 14, a furnace outlet sensor 15 and a laying head sensor 16;
after the equipment is installed, the method comprises the following steps:
step 1: acquiring basic information of a wire production line: the system comprises a furnace inlet sensor signal, a furnace outlet sensor signal, a spinning machine outlet sensor signal and product information (including product numbers, specifications and steel type information of square billets) of each square billet to be rolled;
step 2: establishing a corresponding product passing sequence table according to the time sequence of each product passing through a furnace inlet sensor, a furnace outlet sensor and a spinning machine sensor, and recording the time, the product number, the specification and the steel grade information of the product passing through the sensors in the table;
and step 3: when a new product enters the heating furnace, the product information of the new product is obtained and compared with the product information of the product which enters the furnace in the past. Assuming that the current furnace entering product is A and the previous furnace entering product of A is B, the comparison result specifically includes the following three conditions:
the first condition is as follows: the A and B specifications are consistent, and if the steel grades are consistent, the treatment is not needed, and the current state is continuously maintained;
case two: if the specifications of A and B are inconsistent, stopping tapping of the heating furnace after a discharge sensor monitors that a product B leaves the heating furnace, stopping the whole wire production line after the product B leaves a cooling line, performing roll gap adjustment operation by an operator, manually issuing air cooling section process parameters suitable for the product A by the operator after the operation is finished, recovering production of the wire production line, and recovering tapping of the heating furnace;
case three: if the specifications of A and B are consistent and the steel grades are not consistent, a new air cooling process for switching B to A is established in the system to issue a task; when a discharging sensor monitors that a product B leaves the heating furnace, the heating furnace stops tapping, and tapping is resumed after 3-4 tapping clearance time is reserved; when the sensor of the laying head monitors that a product B leaves the laying head and enters an air cooling line, the sensor automatically starts to execute the process parameter issuing operation of the air cooling section;
and 4, step 4: and determining the appropriate issuing time of the air-cooling section process parameters by combining the current air-cooling section process parameter issuing task form, the discharging product sequence table and the discharging spinning machine product sequence table, thereby realizing the automatic setting target of the air-cooling section process. The method specifically comprises the following four stages, supposing that the task to be executed at present is an air cooling process issuing task of switching B into A, and the air cooling section of a production line has N rollgang in total:
stage one: obtaining a current passing sequence table of the spinning machine product, and if the time for leaving the spinning machine is not recorded in the table B, not processing the product; if the time of B leaving the laying head is recorded in the table, the running speed of each roller way of the air cooling section at the moment is obtained, and the estimated time of B reaching each roller way is calculated by combining the length of each roller way;
and a second stage: supposing that the product B is currently positioned in the nth roller way and n is less than or equal to 3, temporarily not adjusting the technological parameters of the air cooling section;
and a third stage: n is more than 3 and less than N, the running speed of the (N-3) th roller way, the rotating speed of a cooling fan near the roller way and the opening of a baffle plate are adjusted according to the air cooling process of the product A;
and a fourth stage: if N is equal to N, adjusting the technological parameters of the last three roller ways and fans and baffles nearby the roller ways according to the air cooling process of the product A; at this time, the automatic setting of the air cooling section process of the wire production line is finished.
In summary, when the method is used in actual production, a wire product rolling line position tracking information table can be generated, and by combining product information in a heating furnace and wire production line sensor signals, a system can automatically judge which processing scheme is used to adjust a production line, so that the aim of automatically setting the air cooling section process is achieved. Compared with the currently and generally used processing mode of manually issuing the process parameters, the method can more effectively ensure the accuracy and the issuing timeliness of the process parameters, and improve the production efficiency of a production line and the yield of products to a certain extent.
The above-described specific implementation method is only a preferred embodiment of the present invention, and is not intended to limit any implementation form of the present invention. Those skilled in the art can make various changes and modifications to the disclosed embodiments without departing from the scope of the present invention, and all such changes and modifications as would be obvious to one skilled in the art are intended to be included within the scope of the present invention.
Claims (5)
1. A method for automatically setting an air cooling section process of a wire production line is characterized by comprising the following steps:
acquiring basic information of a wire production line: the system comprises a furnace inlet sensor signal, a furnace outlet sensor signal, a laying head sensor signal and product information of each square billet to be rolled;
establishing a product passing sequence list corresponding to each sensor: establishing a corresponding product passing sequence table according to the time sequence of the products passing through the three sensors;
obtaining a furnace product comparison result: when a new product enters the furnace, comparing the information of the product entering the furnace with the information of the previous product, and adopting a proper processing scheme according to the comparison condition of the specifications of the two products and the steel grade;
determining proper time to execute the task of sending the technological parameters of the air cooling section: and determining the appropriate issuing time of the air-cooling section process parameters by combining the current air-cooling section process parameter issuing task form, the discharging product sequence table and the discharging spinning machine product sequence table, thereby realizing the automatic setting target of the air-cooling section process.
2. The method for automatically setting the air cooling section process of the wire rod production line according to claim 1, wherein the product information of each billet to be rolled in the step of obtaining the basic information of the wire rod production line comprises the product number, the specification and the steel type information of each billet to be rolled.
3. The method for automatically setting the air cooling section process of the wire production line according to claim 1, wherein the step of establishing the product passing sequence table of the product passing sequence table corresponding to each sensor comprises: the products entering the furnace pass through the sequence table, the products leaving the furnace pass through the sequence table, and the products leaving the spinning machine pass through the sequence table; wherein, the time, product number, specification and steel grade information of products passing through the furnace sensor are recorded by the furnace entering products through the sequence table; the time, product number, specification and steel grade information of the product passing through the discharge sensor are recorded by the discharged product through the sequence table; the time, product number, specification and steel grade information of the product passing through the spinning machine sensor are recorded by the spinning machine product through the sequence table.
4. The method for automatically setting the air cooling section process of the wire production line according to claim 1, wherein the comparison condition in the step of obtaining the comparison result of the products entering the furnace specifically includes the following three conditions, assuming that the current product entering the furnace is A and the previous product entering the furnace is B:
the first condition is as follows: the A and B specifications are consistent, and if the steel grades are consistent, the treatment is not needed, and the current state is continuously maintained;
case two: if the specifications of A and B are inconsistent, stopping tapping of the heating furnace after a discharge sensor monitors that a product B leaves the heating furnace, stopping the whole wire production line after the product B leaves a cooling line, performing roll gap adjustment operation by an operator, manually issuing air cooling section process parameters suitable for the product A by the operator after the operation is finished, recovering production of the wire production line, and recovering tapping of the heating furnace;
case three: if the specifications of A and B are consistent and the steel grades are not consistent, a new air cooling process for switching B to A is established in the system to issue a task; when a discharging sensor monitors that a product B leaves the heating furnace, the heating furnace stops tapping, and tapping is resumed after 3-4 tapping clearance time is reserved; when the sensor of the laying head monitors that the product B leaves the laying head and enters an air cooling line, the sensor automatically starts to execute the process parameter issuing operation of the air cooling section.
5. The method for automatically setting the air cooling section process of the wire rod production line according to claim 1, wherein the step of determining the appropriate time for executing the air cooling process issuing task is specifically divided into the following four stages, and assuming that the task to be executed at present is the air cooling process issuing task of switching B to A, the air cooling section of the production line has N rollgang in total:
stage one: obtaining a current passing sequence table of the spinning machine product, and if the time for leaving the spinning machine is not recorded in the table B, not processing the product; if the time of B leaving the laying head is recorded in the table, the running speed of each roller way of the air cooling section at the moment is obtained, and the estimated time of B reaching each roller way is calculated by combining the length of each roller way;
and a second stage: supposing that the product B is currently positioned in the nth roller way and n is less than or equal to 3, temporarily not adjusting the technological parameters of the air cooling section;
and a third stage: n is more than 3 and less than N, the running speed of the (N-3) th roller way, the rotating speed of a cooling fan near the roller way and the opening of a baffle plate are adjusted according to the air cooling process of the product A;
and a fourth stage: if N is equal to N, adjusting the technological parameters of the last three roller ways and fans and baffles nearby the roller ways according to the air cooling process of the product A; at this time, the automatic setting of the air cooling section process of the wire production line is finished.
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| CN202110437812.2A CN113231483A (en) | 2021-04-22 | 2021-04-22 | Method for automatically setting air cooling section process of wire production line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110437812.2A CN113231483A (en) | 2021-04-22 | 2021-04-22 | Method for automatically setting air cooling section process of wire production line |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075124A (en) * | 2007-06-15 | 2007-11-21 | 武汉钢铁(集团)公司 | Stanermo wind-cooling linear fuzzy controlling method and system |
| CN106363025A (en) * | 2016-10-27 | 2017-02-01 | 江阴兴澄特种钢铁有限公司 | Wire controlled cooling process on-line quality alarming method |
| CN107716553A (en) * | 2017-10-27 | 2018-02-23 | 中冶华天南京电气工程技术有限公司 | A kind of tandem rolling line pusher-type heating-furnace steel-tapping rhythm harmony control method |
| CN111822520A (en) * | 2020-07-21 | 2020-10-27 | 广东韶钢松山股份有限公司 | Rolling process parameter processing method and wire production control system |
-
2021
- 2021-04-22 CN CN202110437812.2A patent/CN113231483A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075124A (en) * | 2007-06-15 | 2007-11-21 | 武汉钢铁(集团)公司 | Stanermo wind-cooling linear fuzzy controlling method and system |
| CN106363025A (en) * | 2016-10-27 | 2017-02-01 | 江阴兴澄特种钢铁有限公司 | Wire controlled cooling process on-line quality alarming method |
| CN107716553A (en) * | 2017-10-27 | 2018-02-23 | 中冶华天南京电气工程技术有限公司 | A kind of tandem rolling line pusher-type heating-furnace steel-tapping rhythm harmony control method |
| CN111822520A (en) * | 2020-07-21 | 2020-10-27 | 广东韶钢松山股份有限公司 | Rolling process parameter processing method and wire production control system |
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