CN218964025U - Continuous casting steel ladle drainage sand discharging device - Google Patents
Continuous casting steel ladle drainage sand discharging device Download PDFInfo
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- CN218964025U CN218964025U CN202320048400.4U CN202320048400U CN218964025U CN 218964025 U CN218964025 U CN 218964025U CN 202320048400 U CN202320048400 U CN 202320048400U CN 218964025 U CN218964025 U CN 218964025U
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Abstract
The utility model belongs to the technical field of metallurgical equipment, and particularly relates to a continuous casting steel ladle drainage sand discharging device. When the drainage sand falls, under the action of the drainage cone, the drainage sand can fall into the first sand containing cavity and the second sand containing cavity below so as to realize recovery; when the molten steel contacts with the drainage cone, the drainage cone melts and flows into the tundish below together with the molten steel from the molten steel channel under the action of high temperature. After the recovery of drainage sand is completed, the annular left sand receiving groove and the annular right sand receiving groove are separated towards the two sides of molten steel water flow through the shear type clamp holder, so that the annular left sand receiving groove and the annular right sand receiving groove can be prevented from splashing due to contact with molten steel in the moving process when the outer discharge device is recovered, the service life of the outer discharge device is prolonged, and the outer discharge device is safer.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, and particularly relates to a continuous casting steel ladle drainage sand discharging device.
Background
With the great development of modern science and technology, the quality requirements of various fields on steel materials are more and more severe. At present, the drainage sand for the steel ladles of most large-scale steel production enterprises is mainly made of chromite, the drainage sand for the chromite steel ladles is mainly made of chromite and quartz phase, and the quartz phase contains more Al 2 O 3 、K 2 Impurities such as O, caO and the like, wherein part of chromite contains impurities such as magnesium silicate and the like, if drainage sand is directly poured into molten steel in the ladle casting process, the problem that part of drainage sand cannot float upwards and be discharged in the subsequent continuous casting process can exist, and the quality of steel is seriously affected; most steel enterprises do not clean the ladle drainage sand specially, and some enterprises do blowing cleaning treatment or other similar methods, so that the problem that the ladle drainage sand cleaning is not thorough in the ladle casting process exists.
Chinese patent document CN211638303U (202020197278.3) discloses a device for cleaning drainage sand in the casting process of a continuous casting ladle, which is provided with a non-cover inverted frustum type iron shell, a rotary cover is arranged at the bottom side, and a sand discharge port is arranged on the rotary cover; the device is characterized in that a conical hard paper shell is arranged on a non-cover inverted cone table type iron shell, a holding rod is also arranged, the holding rod is a steel pipe, and a positioning hole is formed in the middle of the holding rod; the pouring platform is provided with a holding rod positioning and supporting device, and the holding rod is arranged on the holding rod positioning and supporting device through a positioning hole. When the ladle runner is used, the drainage sand receiving device is placed under the ladle nozzle, the ladle slide plate is opened, ladle drainage sand flows out, and the drainage sand receiving device is quickly removed at the moment of the water outlet of molten steel, so that the drainage control of the drainage sand in the continuous casting ladle pouring process is realized, and the pollution of the drainage sand to the molten steel is avoided. Although the device can recover the drainage sand through the non-cover inverted cone table type iron shell, because the molten steel flows out when the drainage sand receiving device is removed, the drainage sand receiving device necessarily passes through the molten steel water flow when the drainage sand receiving device is removed, so that the molten steel splashes, dangers are easy to generate, the burning loss of the drainage sand receiving device is caused, and the cleaning work of the later-stage drainage sand receiving device and the separation work of the drainage sand and steel slag are increased.
Disclosure of Invention
The utility model aims to solve the problems and provide a continuous casting steel ladle drainage device which utilizes the mutual cooperation of an annular left sand receiving groove, an annular right sand receiving groove and a drainage cone to realize the effective recovery of drainage sand, does not influence the normal falling of molten steel and can avoid the contact of the molten steel with the annular left sand receiving groove and the annular right sand receiving groove. After the drainage sand is recovered, the annular left sand receiving groove and the annular right sand receiving groove are separated towards the two sides of molten steel water flow through the scissor type clamp, so that the phenomenon that the annular left sand receiving groove and the annular right sand receiving groove are splashed due to contact with molten steel in the moving process is avoided, and the safety is improved.
The technical problems to be solved by the utility model are realized by adopting the following technical scheme: the continuous casting steel ladle drainage sand discharging device comprises an annular left sand receiving groove, an annular right sand receiving groove, a drainage cone and a scissor-type clamp holder;
the annular left sand receiving groove is provided with a first sand containing cavity along the circumferential direction, the annular right sand receiving groove is provided with a second sand containing cavity along the circumferential direction, and the annular left sand receiving groove and the annular right sand receiving groove are mutually combined into a whole ring, and an inner hole of the whole ring is used as a molten steel channel;
the drainage cone is arranged at the upper end of the molten steel channel;
the shear type clamp holder comprises a first clamping rod and a second clamping rod which are mutually hinged, and annular left sand receiving grooves and annular right sand receiving grooves which are oppositely arranged are respectively fixed at the end parts of the first clamping rod and the second clamping rod.
Compared with the prior art, the utility model has the beneficial effects that: the annular left sand receiving groove and the annular right sand receiving groove which are oppositely arranged are respectively and fixedly arranged at the end parts of the first clamping rod and the second clamping rod which are mutually hinged, so that the mutual combination and separation of the annular left sand receiving groove and the annular right sand receiving groove are realized.
The whole ring inner hole formed by combining the annular left sand receiving groove and the annular right sand receiving groove is used as a molten steel channel for molten steel to fall down, and the drainage cone is arranged at the upper end of the molten steel channel. When the drainage sand falls, under the action of the drainage cone, the drainage sand can fall into the first sand containing cavity and the second sand containing cavity below so as to realize recovery; when the molten steel contacts with the drainage cone, the drainage cone melts and flows into the tundish below from the molten steel channel together under the action of high temperature, so that the molten steel is prevented from contacting with the annular left sand receiving groove and the annular right sand receiving groove.
After the recovery of drainage sand is completed, the annular left sand receiving groove and the annular right sand receiving groove are separated towards the two sides of molten steel water flow through the shear type clamp, so that the phenomenon that the annular left sand receiving groove and the annular right sand receiving groove are splashed due to contact with molten steel in the moving process can be effectively avoided when the discharging device is recovered, and the service life of the discharging device is prolonged.
The technical scheme of the utility model is as follows: the annular left sand receiving groove is provided with an annular left baffle at the upper end of the outer wall of the first sand containing cavity, and the annular right sand receiving groove is provided with an annular right baffle at the upper end of the outer wall of the second sand containing cavity. For making the drainage sand from the whole landing of drainage awl surface hold sand intracavity to first appearance sand chamber and second, annular left side connects the sand groove and sets up annular left baffle in first appearance sand chamber outer wall upper end, and annular right side connects the sand groove to set up annular right baffle in second appearance sand chamber outer wall upper end for the drainage sand that splashes in the slip off process is stopped, thereby avoids the drainage sand to fall to in the middle package.
The technical scheme of the utility model is as follows: the lower end face of the drainage cone is provided with an embedded ring matched with the inner diameter of the molten steel channel, and the drainage cone is inserted into the molten steel channel through the embedded ring. For the convenience of fixing the drainage cone, an embedded ring matched with the inner diameter of the molten steel channel is arranged on the lower end surface of the drainage cone, so that the drainage cone can be quickly inserted into the molten steel channel through the embedded ring and the mutual separation of the annular left sand receiving groove and the annular right sand receiving groove is not influenced.
The technical scheme of the utility model is as follows: the molten steel channel is a conical hole with the inner diameter being big at the upper part and small at the lower part. In order to prevent splashing caused by unstable molten steel flow, the molten steel channel is provided with a conical hole with a large inner diameter and a small inner diameter, and when molten steel flows onto the side wall of the molten steel channel, the molten steel channel can play a role in buffering and drainage to a certain extent.
The technical scheme of the utility model is as follows: the annular left sand receiving groove is provided with a first refractory layer on the outer wall of one side of the molten steel channel, and the annular right sand receiving groove is provided with a second refractory layer on the outer wall of one side of the molten steel channel. In order to improve the service life of the annular left sand receiving groove, the annular right sand receiving groove and the molten steel impact resistance of the molten steel channel, a first refractory layer is arranged on the outer wall of the annular left sand receiving groove on one side of the molten steel channel, and a second refractory layer is arranged on the outer wall of the annular right sand receiving groove on one side of the molten steel channel, so that even if molten steel falls on the outer wall of the annular left sand receiving groove on one side of the molten steel channel and the outer wall of the annular right sand receiving groove on one side of the molten steel channel, burning loss can not be caused.
The technical scheme of the utility model is as follows: the device also comprises a moving device, wherein the hinge shaft of the scissor type clamp is arranged on the moving device, and the moving device is used for moving the position of the scissor type clamp and adjusting the height of the scissor type clamp. In order to facilitate the recovery of the drainage sand, the annular left sand receiving groove and the annular right sand receiving groove can be moved to a proper position below the ladle nozzle more accurately, the hinge shaft of the scissor type clamp holder is arranged on the moving device, and the moving device is utilized to move the position of the scissor type clamp holder and adjust the height of the scissor type clamp holder.
The technical scheme of the utility model is as follows: the moving device comprises a rotary connecting rod, a rotary shaft and a lifting support, wherein the hinge shaft of the scissor type clamp holder is arranged at one end of the rotary connecting rod, and the other end of the rotary connecting rod is hinged to the lifting support through the rotary shaft. The articulated shaft of the scissor type clamp holder is arranged at one end of the rotary connecting rod, then the other end of the rotary connecting rod is articulated on the lifting bracket through the rotary shaft, and the left-right front-back position adjustment of the scissor type clamp holder can be realized through the connecting rod structure, so that the structure is simple; the height of the scissor type clamp holder can be adjusted by using the lifting support.
The technical scheme of the utility model is as follows: the lifting support comprises a hydraulic lifting rod, and a hinge shaft of the scissor type clamp holder is connected with a piston rod of the hydraulic lifting rod. The hinge shaft of the scissor type clamp holder is connected with the piston rod of the hydraulic lifting rod, and the lifting of the scissor type clamp holder is controlled by the hydraulic lifting rod.
The technical scheme of the utility model is as follows: the bottom of the annular left sand receiving groove is provided with a first sand discharging plate, one end of the first sand discharging plate is hinged with the annular left sand receiving groove, and the other end of the first sand discharging plate is connected with the annular left sand receiving groove through a fastener;
the annular right sand receiving groove bottom is provided with the second sand unloading plate, second sand unloading plate one end is articulated with annular right sand receiving groove, the second sand unloading plate other end is connected with annular right sand receiving groove through the fastener. For the convenience with the drainage sand of retrieving connect sand groove and cyclic annular right side to connect the sand inslot to take out, connect sand groove bottom to set up first sand unloading board and connect sand groove bottom to set up the second sand unloading board in cyclic annular right side to connect the sand groove bottom to the left side, realize first sand unloading board and the second through the fastener and unload opening and closing of sand unloading board to the realization connects sand groove and cyclic annular right side to connect the drainage sand of sand inslot to carry out quick recovery and clearance.
Drawings
FIG. 1 is a schematic structural view of a continuous casting steel ladle drainage device according to the present utility model;
FIG. 2 is a perspective view of the continuous casting steel ladle drainage device according to the utility model;
FIG. 3 is a schematic diagram showing the working state of the continuous casting steel ladle drainage device;
in the figure: 400 steel ladle and 500 tundish;
1 an annular left sand receiving groove, 2 an annular right sand receiving groove, 3 a diversion cone and 31 an embedded ring;
a 4-scissor type clamp holder, a 41 first clamping rod, a 42 second clamping rod and a 43 hinge shaft;
100 first sand holding cavity, 200 second sand holding cavity and 300 molten steel channel;
11 annular left baffle, 12 first refractory layer, 13 first sand unloading plate;
the annular right baffle plate 21, the second refractory layer 22 and the second sand unloading plate 23;
5 a rotary connecting rod, 6 a rotary shaft and 7 a lifting bracket.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in figures 1-3, the continuous casting steel ladle drainage sand discharging device comprises an annular left sand receiving groove 1, an annular right sand receiving groove 2, a drainage cone 3 and a scissor-type clamp 4.
The annular left sand receiving groove 1 is provided with a first sand containing cavity 100 with an upward opening along the circumferential direction, the annular right sand receiving groove 2 is provided with a second sand containing cavity 200 with an upward opening along the circumferential direction, and the annular left sand receiving groove 1 and the annular right sand receiving groove 2 are mutually combined into a whole ring, and an inner hole of the whole ring is used as a molten steel channel 300.
The drainage cone 3 is arranged at the upper end of the molten steel channel 300. The outer diameter of the lower end surface of the drainage cone 3 is larger than the inner diameter of the molten steel channel 300, and the drainage cone 3 is made of rigid high-temperature resistant materials and has a melting point lower than that of molten steel. The material of the diversion cone 3 is iron sheet or hard paper shell.
As shown in fig. 2, the scissor-type gripper 4 includes a first gripper bar 41 and a second gripper bar 42 that are hinged to each other, the first gripper bar 41 and the second gripper bar 42 are connected by a hinge shaft 43, and the ends of the first gripper bar 41 and the second gripper bar 42 are respectively fixed with an annular left sand receiving groove 1 and an annular right sand receiving groove 2 that are oppositely arranged. The other ends of the first clamping lever 41 and the second clamping lever 42 are provided with a manipulating handle.
As shown in fig. 1, the annular left sand receiving groove 1 is provided with an annular left baffle 11 at the upper end of the outer wall of the first sand receiving cavity 100, and the annular right sand receiving groove 2 is provided with an annular right baffle 21 at the upper end of the outer wall of the second sand receiving cavity 200.
The lower end face of the drainage cone 3 is provided with an embedded ring 31 matched with the inner diameter of the molten steel channel 300, and the drainage cone 3 is inserted into the molten steel channel 300 through the embedded ring 31.
The molten steel passage 300 is a tapered hole with an inner diameter large at the top and small at the bottom.
The outer wall of the annular left sand receiving groove 1, which is positioned at one side of the molten steel channel 300, is provided with a first refractory layer 12, and the outer wall of the annular right sand receiving groove 2, which is positioned at one side of the molten steel channel 300, is provided with a second refractory layer 22.
The continuous casting steel ladle drainage device further comprises a moving device, wherein the hinge shaft 43 of the scissor type clamp 4 is arranged on the moving device, and the moving device is used for moving the position of the scissor type clamp 4 and adjusting the height of the scissor type clamp 4.
Specifically, the moving device comprises a rotary connecting rod 5, a rotary shaft 6 and a lifting bracket 7, wherein a hinge shaft 43 of the scissor type clamp holder 4 is arranged at one end of the rotary connecting rod 5, the hinge shaft 43 of the scissor type clamp holder 4 is in threaded connection with the rotary connecting rod 5, and the other end of the rotary connecting rod 5 is hinged on the lifting bracket 7 through the rotary shaft 6. The lifting bracket 7 comprises a hydraulic lifting rod, and the hinge shaft 43 of the scissor clamp 4 is connected with a piston rod of the hydraulic lifting rod. As shown in fig. 2, to secure stability of the scissor holder 4, a rotary tray is provided below the hinge shaft 43, supporting the first and second holding bars 41 and 42.
The bottom of the annular left sand receiving groove 1 is provided with a first sand unloading plate 13, one end of the first sand unloading plate 13 is hinged with the annular left sand receiving groove 1, and the other end of the first sand unloading plate 13 is connected with the annular left sand receiving groove 1 through a fastener.
The bottom of the annular right sand receiving groove 2 is provided with a second sand unloading plate 23, one end of the second sand unloading plate 23 is hinged with the annular right sand receiving groove 2, and the other end of the second sand unloading plate 23 is connected with the annular right sand receiving groove 2 through a fastener. The fastening piece can be a screw or a bolt, or a pin shaft or a buckle structure, so that the first sand discharging plate 13 and the second sand discharging plate 23 can be opened and closed quickly.
Working principle: as shown in fig. 1 and 3, the annular left sand receiving groove 1 and the annular right sand receiving groove 2 are combined into a complete ring by using a scissor type clamper 4, and then a drainage cone 3 is provided at the upper end of the molten steel channel 300.
The continuous casting ladle drainage sand discharge device is moved between the ladle 400 and the tundish 500. The molten steel passage 300 is located right under the drain opening of the ladle 400. The water outlet of the ladle 400 is opened, and the diversion sand enters the first sand containing cavity 100 and the second sand containing cavity 200 under the guidance of the diversion cone 3.
When the drainage sand is discharged, the drainage cone 3 is melted together with the molten steel at a high temperature of the molten steel and enters the tundish 500 from the molten steel channel 300.
The annular left sand receiving groove 1 and the annular right sand receiving groove 2 are separated relative to the two sides of the steel flow direction by utilizing a separating mechanism while molten steel flows down, and then the annular left sand receiving groove 1 and the annular right sand receiving groove 2 are moved away from the upper part of the tundish 500, so that the recovery of the diversion sand is realized.
Claims (9)
1. The utility model provides a continuous casting steel package drainage sand device outward which characterized in that: comprises an annular left sand receiving groove (1), an annular right sand receiving groove (2), a drainage cone (3) and a scissor-type clamp holder (4);
the annular left sand receiving groove (1) is provided with a first sand containing cavity (100) along the circumferential direction, the annular right sand receiving groove (2) is provided with a second sand containing cavity (200) along the circumferential direction, and the annular left sand receiving groove (1) and the annular right sand receiving groove (2) are mutually combined into a whole ring, and an inner hole of the whole ring is used as a molten steel channel (300);
the drainage cone (3) is arranged at the upper end of the molten steel channel (300);
the shear type clamp holder (4) comprises a first clamping rod (41) and a second clamping rod (42) which are mutually hinged, and annular left sand receiving grooves (1) and annular right sand receiving grooves (2) which are oppositely arranged are respectively fixed at the end parts of the first clamping rod (41) and the second clamping rod (42).
2. The continuous casting ladle drainage sand discharging device according to claim 1, wherein: the annular left sand receiving groove (1) is provided with an annular left baffle (11) at the upper end of the outer wall of the first sand containing cavity (100), and the annular right sand receiving groove (2) is provided with an annular right baffle (21) at the upper end of the outer wall of the second sand containing cavity (200).
3. The continuous casting ladle drainage sand discharging device according to claim 1, wherein: the lower end face of the drainage cone (3) is provided with an embedded ring (31) matched with the inner diameter of the molten steel channel (300), and the drainage cone (3) is inserted into the molten steel channel (300) through the embedded ring (31).
4. The continuous casting ladle drainage sand discharging device according to claim 1, wherein: the molten steel channel (300) is a conical hole with the inner diameter being big at the upper part and small at the lower part.
5. The continuous casting ladle drainage sand discharging device according to claim 1, wherein: the annular left sand receiving groove (1) is provided with a first refractory layer (12) on the outer wall of one side of the molten steel channel (300), and the annular right sand receiving groove (2) is provided with a second refractory layer (22) on the outer wall of one side of the molten steel channel (300).
6. The continuous casting ladle drainage sand discharging device according to claim 1, wherein: the device further comprises a moving device, wherein the hinge shaft (43) of the scissor type clamp (4) is arranged on the moving device, and the moving device is used for moving the position of the scissor type clamp (4) and adjusting the height of the scissor type clamp (4).
7. The continuous casting ladle drainage sand discharging device according to claim 6, wherein: the moving device comprises a rotary connecting rod (5), a rotary shaft (6) and a lifting support (7), wherein a hinge shaft (43) of the scissor type clamp holder (4) is arranged at one end of the rotary connecting rod (5), and the other end of the rotary connecting rod (5) is hinged to the lifting support (7) through the rotary shaft (6).
8. The continuous casting steel ladle drainage sand discharging device according to claim 7, wherein: the lifting support (7) comprises a hydraulic lifting rod, and a hinge shaft (43) of the scissor type clamp holder (4) is connected with a piston rod of the hydraulic lifting rod.
9. The continuous casting ladle drainage sand discharging device according to claim 1, wherein: the bottom of the annular left sand receiving groove (1) is provided with a first sand discharging plate (13), one end of the first sand discharging plate (13) is hinged with the annular left sand receiving groove (1), and the other end of the first sand discharging plate (13) is connected with the annular left sand receiving groove (1) through a fastener;
the bottom of the annular right sand receiving groove (2) is provided with a second sand unloading plate (23), one end of the second sand unloading plate (23) is hinged with the annular right sand receiving groove (2), and the other end of the second sand unloading plate (23) is connected with the annular right sand receiving groove (2) through a fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320048400.4U CN218964025U (en) | 2023-01-04 | 2023-01-04 | Continuous casting steel ladle drainage sand discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320048400.4U CN218964025U (en) | 2023-01-04 | 2023-01-04 | Continuous casting steel ladle drainage sand discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218964025U true CN218964025U (en) | 2023-05-05 |
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ID=86154850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320048400.4U Active CN218964025U (en) | 2023-01-04 | 2023-01-04 | Continuous casting steel ladle drainage sand discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218964025U (en) |
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2023
- 2023-01-04 CN CN202320048400.4U patent/CN218964025U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Guanfu Inventor after: Li Yuhua Inventor after: Ge Wenying Inventor after: Gao Jian Inventor after: Liu Yongchang Inventor after: Mu Changzheng Inventor after: Liu Bing Inventor after: Liang Na Inventor after: Ma Chuanqing Inventor after: Liu Jinling Inventor before: Zhao Guanfu Inventor before: Li Yuhua Inventor before: Ge Wenying Inventor before: Gao Jian Inventor before: Liu Yongchang Inventor before: Mu Changzheng Inventor before: Liu Bing Inventor before: Liang Na Inventor before: Ma Chuanqing Inventor before: Liu Jinling |
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| CB03 | Change of inventor or designer information |