CN110653349A - One-key type quick ladle connecting device for tundish of continuous casting machine and using method - Google Patents
One-key type quick ladle connecting device for tundish of continuous casting machine and using method Download PDFInfo
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- CN110653349A CN110653349A CN201910698056.1A CN201910698056A CN110653349A CN 110653349 A CN110653349 A CN 110653349A CN 201910698056 A CN201910698056 A CN 201910698056A CN 110653349 A CN110653349 A CN 110653349A
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- tundish
- continuous casting
- ladle
- car
- electric cabinet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
- B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
- B22D11/183—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by measuring molten metal weight
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention relates to the technical field of quick ladle receiving of a continuous casting machine tundish car, in particular to a one-key quick ladle receiving device of a continuous casting machine tundish and a using method, and the technical scheme is as follows: the continuous casting crystallizer comprises a first tundish car and a second tundish car which are respectively arranged on two sides of a continuous casting crystallizer, wherein the first tundish car is connected with a first electric cabinet for controlling a ladle receiving stroke of the first tundish car; the second tundish car is connected with a second electric cabinet to control the ladle receiving stroke of the second tundish car, and a using method of the quick ladle receiving device is further provided. The invention has the advantages of fast bag changing, improved operation efficiency, saved energy cost and improved bag receiving success rate.
Description
Technical Field
The invention relates to the technical field of quick ladle receiving of a continuous casting machine tundish car, in particular to a one-key quick ladle receiving device of a continuous casting machine tundish and a using method.
Background
The conticaster is a bloom conticaster (the production end face is 420mm 320 mm), when the conticaster produces the casting blank, because the refractory material of the structure tundish of storing the molten steel on the tundish car has life, generally use 8 to 10 stoves because the scouring of molten steel to refractory material can cause the refractory material to drop gradually, the traditional technological method makes and stops casting, change the tundish car that is renewed in addition and supporting tundish and produce again, because stopping casting need go out the tail billet and send the dummy ingot again, the preparation time of this process is up to 2-3 hours, not only influence the production rhythm and consume more cost simultaneously, original supporting packet operation method that connects that has more defects to actual conticaster:
1. each system time operation in the bag receiving process is too long (more than 15 minutes), so that the temperature of the casting blank is reduced, the casting blank is hardened to cause blank stagnation, even a frozen blank accident can be caused, the bag receiving is failed, and the production is interrupted;
2. the original operation mode can be realized by pressing a plurality of equipment buttons, and is not only complicated, but also has misoperation;
3. the device is not linked with the pulling speed and liquid level control, and the pulling and leakage accidents are easy to happen through complete manual observation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a one-key type quick ladle receiving device for a tundish of a continuous casting machine and a using method thereof, and the device has the advantages of quickly changing ladles, improving the operation efficiency, saving the energy cost and improving the ladle receiving success rate.
The technical purpose of the invention is realized by the following technical scheme: a one-key type quick ladle connecting device for a tundish of a continuous casting machine comprises a first tundish car and a second tundish car which are respectively arranged on two sides of a continuous casting crystallizer, wherein the first tundish car is connected with a first electric cabinet to control the ladle connecting stroke of the first tundish car; and the second tundish car is connected with a second electric cabinet to control the ladle receiving stroke of the second tundish car.
The invention is further configured to: all be provided with a key formula on the panel of first electric cabinet and on the panel of second electric cabinet and connect a packet button and display screen, first electric cabinet and second electric cabinet all embed PLC module, two the PLC module is respectively with package car signal hookup in first well package car, the second, the PLC module connects a packet button and display screen associative through cable and a key formula, and the PLC module is associative through fiber optic network and electric room.
The invention is further configured to: the display screen is used for displaying the weight of the molten steel in the pouring box and the flow of the cooling water during steel pouring.
The invention also provides a using method of the one-key quick tundish connecting device of the continuous casting machine, which comprises the following steps:
(1) pressing a one-key ladle connecting button on a first electric cabinet, controlling the tonnage of molten steel in a first tundish to be 10 tons, automatically closing a stopper rod of the first tundish, returning the steel drawing speed of a withdrawal and straightening machine to zero to keep the distance between the liquid level of a continuous casting crystallizer and an upper opening of the continuous casting crystallizer to be 500mm, reducing the flow of cooling water of a casting blank to be one fourth of the normal flow, lifting a first tundish car, and simultaneously lifting a loaded first tundish away from a continuous casting crystallizer area to be opened outwards to a baking preparation area;
(2) placing a molten steel connecting piece in molten steel in a continuous casting crystallizer by an operator to prepare for ladle receiving;
(3) after the preparation of the ladle is finished, a one-key ladle connecting button on a second electric cabinet is pressed, a second tundish car enters a continuous casting crystallizer region from a baking preparation region and stops above the continuous casting crystallizer, the second tundish car descends and simultaneously descends a loaded second tundish, a water gap of the second tundish is inserted into the continuous casting crystallizer, the steel drawing speed and the cooling water flow of a withdrawal and straightening machine linearly and gradually rise to normal values according to a set time curve, a stopper in the second tundish is automatically opened, molten steel in the second tundish flows into the continuous casting crystallizer and is connected with an original casting blank into a whole through a molten steel connecting piece, production is continued through the withdrawal and straightening machine starting speed, and the first tundish and the second tundish are mutually connected to automatically finish a ladle connecting stroke.
In conclusion, the invention has the following beneficial effects:
firstly, a worker only needs to place a molten steel connecting piece in molten steel in a time gap in a ladle changing process, a quick ladle connecting device can complete the working process of automatic ladle changing, the ladle connecting cost rate reaches more than 97%, and continuous production is realized;
secondly, the production operation rate of the continuous casting machine is improved by 30 percent, and the energy cost is saved by 20 percent.
Drawings
FIG. 1 is a schematic structural diagram of a quick bag receiving device in this embodiment;
FIG. 2 is a schematic structural diagram of an electric cabinet in this embodiment;
FIG. 3 is a front view of the molten steel coupling in this embodiment;
fig. 4 is a plan view of the molten steel coupling in this embodiment.
In the figure: 1. a first electric cabinet; 2. a first tundish car; 3. a first tundish; 4. a continuous casting crystallizer; 5. a second tundish car; 6. a second tundish; 7. a second electric cabinet; 8. a one-button package-connecting button; 9. a display screen; 10. molten steel connecting piece.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
As shown in fig. 1 to 4, a continuous casting machine tundish one-key type quick ladle receiving device comprises a first tundish car 2 and a second tundish car 5 which are respectively arranged at two sides of a continuous casting crystallizer 4, wherein a first electric cabinet 1 is connected with the first tundish car 2 for controlling a ladle receiving stroke of the first tundish car 2; the second tundish car 5 is connected with a second electric cabinet 7 for controlling the ladle receiving stroke of the second tundish car 5.
Specifically, all be provided with a key formula on the panel of first electric cabinet 1 and on the panel of second electric cabinet 7 and connect a packet button 8 and display screen 9, first electric cabinet 1 and second electric cabinet 7 all embed PLC module (not shown in the figure), two PLC modules respectively with in first chartered plane 2, the chartered plane 5 signal hookup in the second, the PLC module connects a packet button 8 and display screen 9 associative through cable and a key formula, and the PLC module is associative through fiber optic network and electric room. In this embodiment, the PLC module is of siemens 200 type, when the weight of molten steel in the first tundish 3 in which steel is being poured is reduced from the rated weight of 50 tons to 10 tons in preparation for receiving the ladle, when the one-touch ladle receiving button 8 on the first electric cabinet 1 is pressed in the ladle receiving process, a button signal is transmitted to the PLC module through a cable, and the signal is transmitted to the main PLC module of the electric room through an optical fiber signal, and the main PLC module of the electric room opens the continuous casting mold 4 area outwards to the baking preparation area along with the lifting of the first tundish car 2. And the display screen 9 is used for displaying the weight of the molten steel in the tundish and the weight of the cooling water during steel casting.
The invention also provides a using method of the one-key quick tundish connecting device of the continuous casting machine, which comprises the following steps:
(1) pressing a one-key ladle connecting button 8 on the first electric cabinet 1, controlling the tonnage of molten steel in the first tundish 3 to be 10 tons, automatically closing a stopper rod of the first tundish 3, returning the steel drawing speed of a withdrawal and straightening machine to zero to keep the liquid level of the continuous casting crystallizer 4 500mm away from an upper opening, reducing the flow of casting blank cooling water to one fourth of the normal flow, lifting the first tundish car 2 and simultaneously lifting the loaded first tundish 3 away from the area of the continuous casting crystallizer 4 to open outwards to a baking preparation area;
(2) an operator places a molten steel connecting piece 10 in molten steel in the continuous casting crystallizer 4 to prepare for ladle connection;
(3) after the preparation of the ladle receiving is finished, a one-key ladle receiving button 8 on a second electric cabinet 7 is pressed, a second tundish car 5 enters a continuous casting crystallizer 4 from a baking preparation area and stops above the continuous casting crystallizer 4, the second tundish car 5 descends and simultaneously descends a loaded second tundish 6, a water gap of the second tundish 6 is inserted into the continuous casting crystallizer 4, the steel drawing speed and the cooling water flow of a withdrawal and straightening machine linearly and gradually rise to a normal value according to a set time curve, a stopper in the second tundish 6 is automatically opened, molten steel in the second tundish 6 flows into the continuous casting crystallizer 4 and is connected with an original casting blank through a molten steel connecting piece 10 to form a whole, production is continued through the starting speed of the withdrawal and the first tundish 3 and the second tundish 6 are mutually connected to automatically finish ladle receiving strokes.
In the step (2), the molten steel connector 10 is a main object of a ladle receiving, and has the functions that when the ladle is received, the speed of a withdrawal and straightening machine is zero, the first tundish car 2 which is casting steel is started, molten steel in the continuous casting crystallizer 4 stops moving, at this time, the bottom of the molten steel connector 10 is inserted into half height of the residual molten steel in the continuous casting crystallizer 4, and the other half height of the molten steel connector is covered after molten steel of the second tundish car 5 comes out, so as to connect new tundish molten steel and old tundish molten steel into a whole and play a role of starting and stopping, and the molten steel connector 10 is a common prior art in the field and is not described herein.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (4)
1. The utility model provides a package device is connect fast to package one-button in middle of conticaster which characterized in that: the continuous casting crystallizer comprises a first tundish car and a second tundish car which are respectively arranged on two sides of a continuous casting crystallizer, wherein the first tundish car is connected with a first electric cabinet for controlling a ladle receiving stroke of the first tundish car; and the second tundish car is connected with a second electric cabinet to control the ladle receiving stroke of the second tundish car.
2. The one-button quick ladle connecting device for the tundish of the continuous casting machine according to claim 1, is characterized in that: all be provided with a key formula on the panel of first electric cabinet and on the panel of second electric cabinet and connect a packet button and display screen, first electric cabinet and second electric cabinet all embed PLC module, two the PLC module is respectively with package car signal hookup in first well package car, the second, the PLC module connects a packet button and display screen associative through cable and a key formula, and the PLC module is associative through fiber optic network and electric room.
3. The one-button quick ladle connecting device for the tundish of the continuous casting machine according to claim 2, is characterized in that: the display screen is used for displaying the weight of the molten steel in the pouring box and the flow of the cooling water during steel pouring.
4. The use method of the one-key quick ladle connecting device for the tundish of the continuous casting machine according to any one of claims 1 to 3 is characterized by comprising the following steps:
(1) pressing a one-key ladle connecting button on a first electric cabinet, controlling the tonnage of molten steel in a first tundish to be 10 tons, automatically closing a stopper rod of the first tundish, returning the steel drawing speed of a withdrawal and straightening machine to zero to keep the distance between the liquid level of a continuous casting crystallizer and an upper opening of the continuous casting crystallizer to be 500mm, reducing the flow of cooling water of a casting blank to be one fourth of the normal flow, lifting a first tundish car, and simultaneously lifting a loaded first tundish away from a continuous casting crystallizer area to be opened outwards to a baking preparation area;
(2) placing a molten steel connecting piece in molten steel in a continuous casting crystallizer by an operator to prepare for ladle receiving;
(3) after the preparation of the ladle is finished, a one-key ladle connecting button on a second electric cabinet is pressed, a second tundish car enters a continuous casting crystallizer region from a baking preparation region and stops above the continuous casting crystallizer, the second tundish car descends and simultaneously descends a loaded second tundish, a water gap of the second tundish is inserted into the continuous casting crystallizer, the steel drawing speed and the cooling water flow of a withdrawal and straightening machine linearly and gradually rise to normal values according to a set time curve, a stopper in the second tundish is automatically opened, molten steel in the second tundish flows into the continuous casting crystallizer and is connected with an original casting blank into a whole through a molten steel connecting piece, production is continued through the withdrawal and straightening machine starting speed, and the first tundish and the second tundish are mutually connected to automatically finish a ladle connecting stroke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698056.1A CN110653349A (en) | 2019-07-31 | 2019-07-31 | One-key type quick ladle connecting device for tundish of continuous casting machine and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910698056.1A CN110653349A (en) | 2019-07-31 | 2019-07-31 | One-key type quick ladle connecting device for tundish of continuous casting machine and using method |
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| CN110653349A true CN110653349A (en) | 2020-01-07 |
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|---|---|---|---|
| CN201910698056.1A Pending CN110653349A (en) | 2019-07-31 | 2019-07-31 | One-key type quick ladle connecting device for tundish of continuous casting machine and using method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0796358A (en) * | 1993-09-28 | 1995-04-11 | Nippon Steel Corp | Method for changing ladle in continuous casting apparatus |
| CN102941323A (en) * | 2012-12-12 | 2013-02-27 | 济钢集团有限公司 | Method for quickly replacing tundish at low liquid level of medium thin plate blank continuous casting machine crystallizer |
| CN103586435A (en) * | 2013-11-12 | 2014-02-19 | 山西太钢不锈钢股份有限公司 | Method for continuous pouring through stainless steel replaceable tundishes |
| CN106216622A (en) * | 2016-08-29 | 2016-12-14 | 山东钢铁股份有限公司 | A kind of method of quick-replaceable tundish in molten steel casting process |
| CN108284210A (en) * | 2017-09-21 | 2018-07-17 | 新疆八钢铁股份有限公司 | The method for improving continuous casting production quick change success rate |
-
2019
- 2019-07-31 CN CN201910698056.1A patent/CN110653349A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0796358A (en) * | 1993-09-28 | 1995-04-11 | Nippon Steel Corp | Method for changing ladle in continuous casting apparatus |
| CN102941323A (en) * | 2012-12-12 | 2013-02-27 | 济钢集团有限公司 | Method for quickly replacing tundish at low liquid level of medium thin plate blank continuous casting machine crystallizer |
| CN103586435A (en) * | 2013-11-12 | 2014-02-19 | 山西太钢不锈钢股份有限公司 | Method for continuous pouring through stainless steel replaceable tundishes |
| CN106216622A (en) * | 2016-08-29 | 2016-12-14 | 山东钢铁股份有限公司 | A kind of method of quick-replaceable tundish in molten steel casting process |
| CN108284210A (en) * | 2017-09-21 | 2018-07-17 | 新疆八钢铁股份有限公司 | The method for improving continuous casting production quick change success rate |
Non-Patent Citations (2)
| Title |
|---|
| 李振亮等: "《材料成形控制工程基础教程》", 31 January 2010, 冶金工业出版社 * |
| 李明河等: "连铸中间包快换自动控制系统 ", 《自动化与仪表》 * |
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