CN220093038U - Safety device for continuous casting nozzle - Google Patents
Safety device for continuous casting nozzle Download PDFInfo
- Publication number
- CN220093038U CN220093038U CN202321226199.0U CN202321226199U CN220093038U CN 220093038 U CN220093038 U CN 220093038U CN 202321226199 U CN202321226199 U CN 202321226199U CN 220093038 U CN220093038 U CN 220093038U
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- tundish
- continuous casting
- flashboard
- push rod
- water inlet
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- 238000009749 continuous casting Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims description 7
- 239000011819 refractory material Substances 0.000 claims description 5
- 239000003779 heat-resistant material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 36
- 239000010959 steel Substances 0.000 abstract description 36
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000035484 reaction time Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Continuous Casting (AREA)
Abstract
The utility model provides a continuous casting water gap safety device, which comprises a tundish, wherein the tundish is provided with a first water inlet; the tundish mechanism is provided with a second water inlet, and is positioned at the bottom of the tundish, and a gap exists between the tundish mechanism and the bottom of the tundish; the connecting base is arranged at the bottom of the tundish and provided with connecting screw holes; the transmission device comprises a cylinder and a push rod, the cylinder is arranged on the connecting base, and the moving end of the cylinder is connected with the push rod; and one end of the flashboard is connected with a push rod of the transmission device. According to the utility model, the safety device is arranged in the gap between the bottom of the tundish and the tundish quick change mechanism, when a steel passing accident occurs at the bottom of the tundish, the flashboard is only required to be controlled to run in time, the steel passing opening is cut off, the flow of molten steel is blocked in time, the reaction time is provided for the continuous casting tundish operation vehicle to be adjusted away, the safety of site personnel is improved, and the service life of the continuous casting machine is prolonged.
Description
Technical Field
The utility model relates to the field of continuous casting machine equipment, in particular to a continuous casting nozzle safety device.
Background
In the continuous casting production process of a steel mill of a steel company, a continuous casting tundish nozzle device is responsible for guiding molten steel of a tundish into a crystallizer, and cooling and forming the molten steel in the crystallizer to form a steel billet with a fixed shape. The continuous casting tundish nozzle device is a metal mechanism and mainly plays a role of fixing a nozzle, so that molten steel can flow into a crystallizer in a centering and stable manner.
However, steel is penetrated at the water gap surface at the bottom of the tundish in the production process, molten steel in a high-temperature molten state is penetrated out, so that continuous casting shutdown accidents are caused, and control lines and mechanical transmission parts of a continuous casting machine are damaged more seriously, so that serious major accidents are caused. In the prior art, workers need to wait for the molten steel melted at high temperature in the tundish to flow completely and then perform water cooling treatment on the accident point until production is recovered, and the recovery process is time-consuming and labor-consuming.
The utility model aims to solve the problems, and provides a continuous casting water gap safety device, which is arranged in a gap between the bottom of a tundish and a tundish quick change mechanism, so that when a steel passing accident occurs at the bottom of the tundish, only a flashboard is required to be controlled to run in time, the steel passing opening is cut off, the flow of molten steel is blocked in time, the reaction time is provided for adjusting and separating the continuous casting tundish running vehicle, the safety of site personnel is improved, and the service life of a continuous casting machine is prolonged.
Disclosure of Invention
The utility model provides a continuous casting nozzle safety device, which is characterized in that a flashboard is arranged in a gap between the bottom of a tundish and a tundish component, and a transmission device is used for controlling the stroke of the flashboard to timely block irregular flow of molten steel in a high-temperature molten state, so that a continuous casting machine is prevented from being destroyed, the service life of the continuous casting machine is prolonged, the accident reaction time is shortened, and the cost for maintaining the continuous casting machine is reduced.
In order to achieve the above object, the present utility model provides a safety device for a continuous casting nozzle, comprising:
the tundish is provided with a first water inlet;
the tundish mechanism is provided with a second water inlet, the first water inlet of the tundish is connected with the second water inlet of the tundish mechanism, the tundish mechanism is positioned at the bottom of the tundish, and a gap exists between the tundish mechanism and the bottom of the tundish;
the connecting base is arranged at the bottom of the tundish and is provided with a connecting screw hole;
the transmission device comprises an air cylinder and a push rod, the air cylinder is arranged on the connecting base, and the moving end of the air cylinder is connected with the push rod; and
the thickness of the flashboard is smaller than the gap between the tundish and the tundish mechanism, and one end of the flashboard is connected with the push rod of the transmission device.
Furthermore, the other end of the flashboard is provided with a V-shaped cutting head, and the flashboard is made of refractory and heat-resistant materials.
Preferably, the continuous casting nozzle safety device further comprises a PLC and a remote control end, wherein the PLC is connected with the air cylinder and is connected with the remote control end, and the PLC is provided with a manual switch.
Compared with the prior art, according to the continuous casting nozzle safety device, through the arrangement of the flashboard, when the nozzle is penetrated by steel or the stopper rod is not closed, the flashboard is moved to the steel penetrating position to block irregular flow of molten steel in a high-temperature molten state, the flashboard is made of refractory high-temperature resistant materials, the driving flashboard is operated by the cylinder and the push rod of the driving device, the flashboard can be pushed to a designated position in time, the accident reaction time is shortened, the ladle operation vehicle in continuous casting can be quickly started to a safe position in time, the malignant accident of the continuous casting machine is avoided, the service life of the continuous casting machine is prolonged, the damage cost of the continuous casting machine due to the steel penetrating accident is reduced, and the safety of operators is improved.
Drawings
FIG. 1 is a schematic view showing an assembled whole sectional structure of a safety device for a continuous casting nozzle of the present utility model;
FIG. 2 is a schematic diagram showing an assembled side view structure of a safety device for a continuous casting nozzle according to the present utility model; and
fig. 3 is a schematic top view of a safety device for a continuous casting nozzle according to the present utility model.
Reference numerals:
1. a tundish; 2. a first water supply port; 3. a tundish mechanism; 4. a second water supply port; 5. the base is connected; 501. a connecting screw hole;
6. a transmission device; 601. a cylinder; 602. a push rod;
7. a flashboard; 701. and (5) cutting the head.
Detailed Description
For a further understanding of the objects, construction, features, and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
As shown in fig. 1, a continuous casting nozzle safety device provided according to an embodiment of the present utility model includes:
a tundish 1, wherein the tundish 1 is provided with a first water inlet 2; the tundish is used for containing molten steel in a high-temperature molten state, and the molten steel flows out of the first water inlet of the tundish into the crystallizer;
the tundish mechanism 3 is provided with a second water inlet 4, the first water inlet 2 of the tundish 1 is connected with the second water inlet 4 of the tundish mechanism 3, the tundish mechanism 3 is positioned at the bottom of the tundish 1, and a gap exists between the tundish mechanism 3 and the bottom of the tundish 1; the tundish mechanism is arranged close to the first water inlet at the bottom of the tundish and used for controlling the outflow of molten steel from the first water inlet of the tundish, and the second water inlet of the tundish mechanism is matched with the first water inlet of the tundish and used for limiting the flow rate of molten steel;
the connecting base 5 is arranged at the bottom of the tundish 1, and the connecting base 5 is provided with a connecting screw hole 501; the connecting screw hole of the connecting base is fixed with the bottom of the tundish through a connecting bolt, and the connecting base and the connecting bolt are made of high-temperature resistant materials;
the transmission device 6 comprises an air cylinder 601 and a push rod 602, wherein the air cylinder 601 is arranged on the connecting base 5, and the moving end of the air cylinder 601 is connected with the push rod 602; and
the thickness of the flashboard 7 is smaller than the clearance between the tundish 1 and the tundish mechanism 3, and one end of the flashboard 7 is connected with a push rod 602 of the transmission device 6. The flashboard is pushed by a cylinder of the transmission device.
As shown in fig. 2, the other end of the shutter 7 is provided with a V-shaped cutting head 701, and the shutter 7 is made of a refractory material. The flashboard cutting head is used for cutting off the first water inlet of the tundish, and the flashboard of the flashboard is made of refractory and heat-resistant materials, can resist the high temperature of molten steel when facing the molten steel in a high-temperature molten state, and can block the outflow of the molten steel.
Preferably, the continuous casting nozzle safety device further comprises a PLC and a remote control end, wherein the PLC is connected with the air cylinder and is connected with the remote control end, and the PLC is provided with a manual switch. When the steel passing accident of the tundish is sent, if an operator is far away from the accident continuous casting machine, the operator can be informed to control the PLC controller through the remote control end, the air cylinder pushes the flashboard, and if the operator is near the accident continuous casting machine, the operator controls the air cylinder and pushes the flashboard through a manual switch of the PLC controller beside the continuous casting machine, so that automatic and manual double control is realized.
When a tundish is arranged in a certain production process of continuous casting, when a water gap is formed in the tundish to penetrate steel or a stopper rod is closed and cannot flow, an operator controls a manual switch of a PLC controller, high-pressure gas is received in a cylinder to push a push rod at the connecting end of the cylinder to push the push rod forward, the push rod drives a flashboard to move forward, a first water inlet of the tundish is cut off in the advancing process of a notch at the other end of the flashboard, the flashboard moves to the water gap to penetrate steel, the flashboard stops molten steel in a high-temperature molten state from flowing out, time is reserved for the operator, a ladle operation vehicle in continuous casting is rapidly started to a safe position, damage to the continuous casting machine is prevented, and subsequent maintenance work is waited.
According to the continuous casting nozzle safety device provided by the embodiment of the utility model, the flashboard is arranged in the gap between the tundish and the tundish mechanism, the flashboard is made of refractory and heat-resistant materials, so that the outflow of molten steel in a high-temperature molten state can be effectively blocked, and the other end of the flashboard is provided with the cutting head, so that the first water inlet of the tundish can be conveniently cut off to block the outflow of molten steel in time. According to the utility model, the flashboard is driven by the cylinder and the push rod of the driving device, the movable end of the cylinder is connected with one end of the flashboard by the push rod, so that the cylinder is moved to drive the flashboard to move, the flashboard can conveniently and rapidly reach the steel passing position of the water gap, and the irregular flow of molten steel in a high-temperature molten state is blocked in time. According to the utility model, the PLC and the remote control end are arranged, the PLC controls the air cylinder, so that an operator can operate away from the high-temperature tundish, the safety of the operator is ensured, the PLC is provided with the manual switch, the on-site operator can conveniently control the operation, the remote control end is connected with the PLC, the operation in a monitoring control room is realized, the simultaneous operation is realized under the condition that a plurality of tundish water gaps penetrate through steel or stopper rods are not closed, the accident handling time is shortened, and the later maintenance operation is convenient.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer" orientation or positional relationship are merely for convenience of description and to simplify the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
The utility model has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (3)
1. A continuous casting nozzle safety device, comprising:
the tundish is provided with a first water inlet;
the tundish mechanism is provided with a second water inlet, the first water inlet of the tundish is connected with the second water inlet of the tundish mechanism, the tundish mechanism is positioned at the bottom of the tundish, and a gap exists between the tundish mechanism and the bottom of the tundish;
the connecting base is arranged at the bottom of the tundish and is provided with a connecting screw hole;
the transmission device comprises an air cylinder and a push rod, the air cylinder is arranged on the connecting base, and the moving end of the air cylinder is connected with the push rod; and
the thickness of the flashboard is smaller than the gap between the tundish and the tundish mechanism, and one end of the flashboard is connected with the push rod of the transmission device.
2. The continuous casting nozzle safety device according to claim 1, wherein the other end of the gate plate is provided with a V-shaped cutting head, and the gate plate is made of refractory and heat-resistant materials.
3. The continuous casting nozzle safety device according to claim 1, further comprising a PLC controller and a remote control end, wherein the PLC controller is connected with the cylinder, the PLC controller is connected with the remote control end, and the PLC controller is provided with a manual switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226199.0U CN220093038U (en) | 2023-05-20 | 2023-05-20 | Safety device for continuous casting nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321226199.0U CN220093038U (en) | 2023-05-20 | 2023-05-20 | Safety device for continuous casting nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220093038U true CN220093038U (en) | 2023-11-28 |
Family
ID=88866503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321226199.0U Active CN220093038U (en) | 2023-05-20 | 2023-05-20 | Safety device for continuous casting nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220093038U (en) |
-
2023
- 2023-05-20 CN CN202321226199.0U patent/CN220093038U/en active Active
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