CN114606365A - Coordinated control system and method for ladle bottom blowing - Google Patents
Coordinated control system and method for ladle bottom blowing Download PDFInfo
- Publication number
- CN114606365A CN114606365A CN202210270586.8A CN202210270586A CN114606365A CN 114606365 A CN114606365 A CN 114606365A CN 202210270586 A CN202210270586 A CN 202210270586A CN 114606365 A CN114606365 A CN 114606365A
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- China
- Prior art keywords
- ladle
- bottom blowing
- vision device
- car
- crown block
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- 238000007664 blowing Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 59
- 230000008569 process Effects 0.000 claims abstract description 43
- 210000001503 joint Anatomy 0.000 claims abstract description 21
- 238000007670 refining Methods 0.000 claims description 17
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000009628 steelmaking Methods 0.000 abstract description 6
- 230000033764 rhythmic process Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C2300/00—Process aspects
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The invention discloses a coordinated control system and method for ladle bottom blowing, and belongs to the technical field of steelmaking automation. The system comprises: the device comprises ladle bottom blowing equipment, a ladle car, a crown block, a ladle and a process vision device; the ladle car is detachably connected with a bottom blowing mechanical butt joint, the ladle is detachably connected with one end of the bottom blowing mechanical butt joint, the crown block is positioned above the ladle and used for hoisting the ladle, and the ladle bottom blowing equipment is detachably connected with the bottom blowing mechanical butt joint through a conveying pipeline. In the invention, the process vision device dynamically senses the movement of the crown block, the ladle car and the ladle in the designated area, so that the system controls the blowing on and off of the ladle bottom blowing equipment, the dynamic sensing of ladle seating and hanging of the ladle car and the automatic coordinated control of ladle bottom blowing are realized, bottom blowing operators are not required to arrive at the site, the safety of site operators is ensured, the process gas source consumption is saved, the steelmaking rhythm is improved to a certain extent, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of steel-making automation, in particular to a coordinated control system and method for ladle bottom blowing.
Background
The ladle bottom blowing is an external refining method for quickly realizing molten steel degassing and removing non-metallic inclusions in a steel-making process.
In the process, the bottom blowing quick coupling needs to be connected after the seat bag is finished, and the bottom blowing quick coupling needs to be pulled out before the crane bag starts, and the work often needs several workers to be directed and operated manually on site. Although manual work is replaced by plugging and unplugging of the butt joint of the bottom blowing machine in many occasions, people still need to be left on site, and the blowing on and off of the ladle bottom blowing equipment are coordinated and commanded and operated according to the working conditions of ladle seating and ladle lifting of the overhead travelling crane. The work flow has great dependence on personnel and has potential safety hazard.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a coordinated control system and method for ladle bottom blowing.
In one aspect, a coordinated control system for ladle bottom blowing is provided, the system comprising: the device comprises ladle bottom blowing equipment, a ladle car, a crown block, a ladle and a process vision device;
the ladle car is detachably connected with a bottom blowing mechanical butt joint, the ladle is detachably connected with one end of the bottom blowing mechanical butt joint, the crown block is positioned above the ladle and used for hoisting the ladle, and the ladle bottom blowing equipment is detachably connected with the bottom blowing mechanical butt joint through a conveying pipeline;
and the ladle bottom blowing equipment is in communication connection with the process vision device.
Further, the system further comprises: a main control chamber of the refining furnace;
the main control chamber of the refining furnace is in communication connection with the process vision device through the ladle bottom blowing equipment.
Further, the process vision device is a high-temperature-resistant industrial camera unit protected by IP 65.
In another aspect, a coordinated control method for ladle bottom blowing is provided, and the method is controlled by the coordinated control system for ladle bottom blowing, and includes:
a designated area is set on the spot,
the ladle is hoisted to the appointed position of the ladle car by the crown block, the ladle is butted with the butt joint of the bottom blowing machine,
the ladle car drives the ladle to move to the designated area,
the process vision device shoots the designated area in real time, dynamically senses the movement of the crown block, the ladle car and the ladle in the designated area,
the process vision device sends a sitting ladle completion signal to the ladle bottom blowing equipment after shooting that the sitting ladle is completed, the ladle bottom blowing equipment transmits process argon or nitrogen to the ladle according to the preset flow and pressure after receiving the sitting ladle completion signal,
after refining, implementing ladle suspension, connecting the crown block with the ladle,
the process vision device shoots that the crown block is connected with the ladle, then sends a ladle starting signal to the ladle bottom blowing equipment, the ladle bottom blowing equipment is closed after receiving the ladle starting signal,
and after the closing, the crown block hoists the ladle.
Further, the method further comprises:
and after the process vision device shoots that the ladle is completely seated, the process vision device sends a ladle seating completion signal to a main control room of the refining furnace through ladle bottom blowing equipment to provide ladle seating signal feedback.
Further, the method further comprises:
and after the process vision device shoots that the crown block is connected with the ladle, the process vision device simultaneously sends the hoisting ladle starting signal to a main control room of the refining furnace through ladle bottom blowing equipment to provide hoisting ladle signal feedback.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: according to the invention, on the basis of replacing manual plugging by using a bottom blowing mechanical butt joint, the movement of a crown block, a ladle car and a ladle in a designated area is dynamically sensed through a process vision device, so that the system controls the blowing-on and blowing-off of ladle bottom blowing equipment, the dynamic sensing of ladle car seating and hanging and the automatic coordinated control of ladle bottom blowing are realized, bottom blowing operators are not required to arrive at the site, other sensors and execution devices are not required to be added on the ladle car, the safety of site operators is ensured, the ladle bottom blowing equipment automatically and reliably works and stops, the process gas source consumption is saved, the steelmaking rhythm is improved on the fixed distance, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a coordinated control system for ladle bottom blowing provided by the invention.
Reference numerals: 1-ladle bottom blowing equipment and 2-ladle car; 3-a crown block; 4-ladle; 5-a process vision device; 6-bottom blowing mechanical butt joint; 7-a transfer line; 8-main control chamber of refining furnace.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, a coordinated control system for ladle bottom blowing includes: the device comprises a ladle bottom blowing device 1, a ladle car 2, a crown block 3, a ladle 4, a process vision device 5 and a refining furnace main control chamber 8; the ladle car 2 is detachably connected with a bottom blowing mechanical butt joint 6, the ladle 4 is detachably connected with one end of the bottom blowing mechanical butt joint 6, the crown block 3 is positioned above the ladle 4 and used for hoisting the ladle 4, and the ladle bottom blowing equipment 1 is detachably connected with the bottom blowing mechanical butt joint 6 through a conveying pipeline 7; the ladle bottom blowing equipment 1 is in communication connection with the process vision device 5, and the refining furnace main control chamber 8 is in communication connection with the process vision device 5 through the ladle bottom blowing equipment 1. Wherein, the process vision device 5 is a high temperature resistant industrial grade camera shooting unit, and is protected by IP 65.
The complete work flow of the invention can be as follows: step (1): setting a designated area on site; step (2): storing a first photo or video of the steel ladle 4 and a well-connected bottom blowing mechanical butt joint 6 on the ladle car 2 in a designated area and a second photo or video of the crown block 3 and the steel ladle 4 in a process vision device 5 in advance; and (3): a worker hoists the steel ladle 4 to a designated position of the ladle car 2 through the crown block 3 and butts the steel ladle 4 with the butt joint 6 of the bottom blowing machine, the process is called as ladle seating, and the ladle car 2 drives the steel ladle 4 to move to a designated area; and (4): the process vision device 5 shoots the designated area in real time, dynamically senses the movement of the crown block 3, the ladle car 2 and the ladle 4 in the designated area, compares the shot picture or video with the first picture or video, when the ladle car 2 drives the ladle 4 to reach the designated area, the ladle car 2 stops, the completion of ladle seating is indicated, the process vision device 5 sends a ladle seating completion signal to the ladle bottom blowing equipment 1 after shooting the completion of ladle seating, meanwhile, a sitting ladle completion signal is sent to a main control chamber 8 of the refining furnace through the ladle bottom blowing equipment 1 to provide sitting ladle signal feedback, and after receiving the sitting ladle completion signal, the ladle bottom blowing equipment 1 conveys process argon or nitrogen to a bottom blowing mechanical butt joint 4 through a conveying pipeline 7 according to preset flow and pressure, then to a gas permeable brick and finally to a ladle 4, so that a quick filling function is automatically provided; and (5): after refining is completed, hoisting is implemented, a worker connects the crown block 3 with the ladle 4, the process vision device 5 shoots an appointed area in real time, the movement of the crown block 3, the ladle carriage 2 and the ladle 4 in the appointed area is dynamically sensed, the shot picture or video is compared with a second picture or video, the process vision device 5 shoots the connection of the crown block 3 and the ladle 4 and then sends a hoisting start signal to the ladle bottom blowing equipment 1, meanwhile, the ladle bottom blowing equipment 1 sends the hoisting start signal to the refining furnace main control chamber 8 to provide hoisting signal feedback, and the ladle bottom blowing equipment 1 is closed after receiving the hoisting start signal; and (6): after closing, the crown block 3 hoists the ladle 4.
It is worth to be noted that, in the invention, on the basis of using the butt joint 6 of the bottom blowing machine to replace manual plugging, the process vision device 5 dynamically senses the movement of the crown block 3, the buggy ladle 2 and the ladle 4 in the designated area, so that the system controls the blowing on and off of the ladle bottom blowing equipment 1, the automatic coordinated control of ladle seating and ladle hanging of the buggy ladle 2 and ladle bottom blowing is realized, bottom blowing operators are not required to arrive at the site, other sensors and execution devices are not required to be added on the buggy ladle, the safety of the site operators is ensured, the ladle bottom blowing equipment automatically and reliably works and stops, the process gas source consumption is saved, the steel making rhythm is improved on the fixed degree, and the working efficiency is improved.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A coordinated control system for ladle bottom blowing, the system comprising: the device comprises a ladle bottom blowing device (1), a ladle car (2), a crown block (3), a ladle (4) and a process vision device (5);
the ladle car (2) is detachably connected with a bottom blowing mechanical butt joint (6), the ladle (4) is detachably connected with one end of the bottom blowing mechanical butt joint (6), the crown block (3) is positioned above the ladle (4) and used for hoisting the ladle (4), and the ladle bottom blowing equipment (1) is detachably connected with the bottom blowing mechanical butt joint (6) through a conveying pipeline (7);
the ladle bottom blowing equipment (1) is in communication connection with the process vision device (5).
2. The coordinated control system for ladle bottom blowing according to claim 1, wherein said system further comprises: a refining furnace main control chamber (8);
the main control chamber (8) of the refining furnace is in communication connection with the process vision device (5) through the ladle bottom blowing equipment (1).
3. The ladle bottom blowing coordinated control system according to claim 1, wherein the process vision device (5) is a high temperature resistant industrial grade camera unit, IP65 protection.
4. A method for coordinated control of ladle bottom blowing, characterized by the system control of claims 1-3, the method comprising:
a designated area is set on the spot,
the overhead traveling crane (3) hoists the ladle (4) to the designated position of the ladle car (2), the ladle (4) is butted with a butt joint (6) of a bottom blowing machine,
the ladle car (2) drives the ladle (4) to move to the designated area,
the process vision device (5) shoots the designated area in real time, dynamically senses the movement of the crown block (3), the ladle car (2) and the ladle (4) in the designated area,
the process vision device (5) shoots that the sitting of the ladle is finished, then sends a sitting of the ladle finished signal to the ladle bottom blowing device (1), the ladle bottom blowing device (1) receives the sitting of the ladle finished signal and then conveys process argon or nitrogen to the ladle (4) according to the preset flow and pressure,
after refining, implementing ladle hoisting, connecting the overhead traveling crane (3) with the ladle (4),
the process vision device (5) shoots that the crown block (3) is connected with the ladle (4), then sends a ladle starting signal to the ladle bottom blowing equipment (1), the ladle bottom blowing equipment (1) is closed after receiving the ladle starting signal,
and after the closing, the overhead traveling crane (3) hoists the ladle (4).
5. The method for coordinated control of ladle bottom blowing according to claim 4, characterized in that the method further comprises:
after shooting that the ladle is seated, the process vision device (5) sends a ladle seating completion signal to a main control room (8) of the refining furnace through the ladle bottom blowing equipment (1) to provide a ladle seating signal feedback.
6. The method for coordinated control of ladle bottom blowing according to claim 4, characterized in that the method further comprises:
and after the process vision device (5) shoots that the crown block (3) is connected with the ladle (4), the process vision device simultaneously sends a ladle starting signal to a main control room (8) of the refining furnace through the ladle bottom blowing equipment (1) to provide ladle signal feedback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210270586.8A CN114606365A (en) | 2022-03-18 | 2022-03-18 | Coordinated control system and method for ladle bottom blowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210270586.8A CN114606365A (en) | 2022-03-18 | 2022-03-18 | Coordinated control system and method for ladle bottom blowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114606365A true CN114606365A (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210270586.8A Pending CN114606365A (en) | 2022-03-18 | 2022-03-18 | Coordinated control system and method for ladle bottom blowing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114606365A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06235018A (en) * | 1993-02-09 | 1994-08-23 | Kawasaki Steel Corp | Method for controlling bottom-blowing gas in ladle refining |
| CN103612860A (en) * | 2013-11-23 | 2014-03-05 | 冶金自动化研究设计院 | Warehouse-in positioning and location identifying system on basis of machine vision for finished wide and thick plate product warehouse |
| CN103968166A (en) * | 2014-05-07 | 2014-08-06 | 扬中市第一蝶阀厂有限公司 | Flat plate type argon blowing joint |
| CN109261953A (en) * | 2018-12-04 | 2019-01-25 | 上海宝冶工程技术有限公司 | A kind of base device of achievable ladle trolley automatic argon connecting |
| CN109536672A (en) * | 2019-01-04 | 2019-03-29 | 山东莱钢永锋钢铁有限公司 | A kind of LF furnace ladle refining furnace automatic Steelmaking method |
| CN213693937U (en) * | 2020-09-23 | 2021-07-13 | 鞍山市安泰安全技术有限公司 | Video monitoring system for alignment of ladle lifting lug and crown block lifting hook |
| CN214133964U (en) * | 2020-07-22 | 2021-09-07 | 河北荣信钢铁有限公司 | Positioning device capable of accurately butting steel ladles |
| CN217052293U (en) * | 2022-03-18 | 2022-07-26 | 西安宝科流体技术有限公司 | Coordinated control system for ladle bottom blowing |
-
2022
- 2022-03-18 CN CN202210270586.8A patent/CN114606365A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06235018A (en) * | 1993-02-09 | 1994-08-23 | Kawasaki Steel Corp | Method for controlling bottom-blowing gas in ladle refining |
| CN103612860A (en) * | 2013-11-23 | 2014-03-05 | 冶金自动化研究设计院 | Warehouse-in positioning and location identifying system on basis of machine vision for finished wide and thick plate product warehouse |
| CN103968166A (en) * | 2014-05-07 | 2014-08-06 | 扬中市第一蝶阀厂有限公司 | Flat plate type argon blowing joint |
| CN109261953A (en) * | 2018-12-04 | 2019-01-25 | 上海宝冶工程技术有限公司 | A kind of base device of achievable ladle trolley automatic argon connecting |
| CN109536672A (en) * | 2019-01-04 | 2019-03-29 | 山东莱钢永锋钢铁有限公司 | A kind of LF furnace ladle refining furnace automatic Steelmaking method |
| CN214133964U (en) * | 2020-07-22 | 2021-09-07 | 河北荣信钢铁有限公司 | Positioning device capable of accurately butting steel ladles |
| CN213693937U (en) * | 2020-09-23 | 2021-07-13 | 鞍山市安泰安全技术有限公司 | Video monitoring system for alignment of ladle lifting lug and crown block lifting hook |
| CN217052293U (en) * | 2022-03-18 | 2022-07-26 | 西安宝科流体技术有限公司 | Coordinated control system for ladle bottom blowing |
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