CN218089658U - Converter steelmaking mouth of a river coupling mechanism - Google Patents
Converter steelmaking mouth of a river coupling mechanism Download PDFInfo
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- CN218089658U CN218089658U CN202222210746.8U CN202222210746U CN218089658U CN 218089658 U CN218089658 U CN 218089658U CN 202222210746 U CN202222210746 U CN 202222210746U CN 218089658 U CN218089658 U CN 218089658U
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Abstract
The utility model relates to a converter steelmaking nozzle connecting mechanism which can be used for installing a sliding nozzle structure or a molten steel nozzle structure and is provided with a foundation plate, a connecting plate and connecting bolts and nuts; the foundation plate is connected with the converter through a connecting hole; the foundation plate and the connecting plate are connected into a whole by the connecting bolt and the connecting nut; the connecting plate is provided with a mounting component, a positioning component and a seat plate; the base plate is used for mounting a sliding water gap structure or a molten steel gap structure; the long positioning column and the short positioning column of the positioning assembly respectively provide positioning guidance for the seat plate during falling and accurate positioning during falling to the bottom; the mounting assembly comprises a mounting seat, an eyelet bolt, a positioning nut and a mounting pin shaft; the movable joint bolt is matched with the positioning nut to realize the stable connection of the seat plate and the connecting plate; loosening the positioning nut, and enabling the swing bolt to penetrate through the avoiding groove, so that the seat plate of the steel tapping hole structure can be quickly disassembled; therefore, the quick replacement of two steelmaking nozzle structures on the same converter can be realized, the production cost of the converter is reduced, and the production types of the converter are increased.
Description
Technical Field
The utility model relates to a converter steelmaking equipment's technical field especially relates to a converter steelmaking mouth of a river coupling mechanism.
Background
The converter steelmaking uses molten iron, scrap steel and ferroalloy as main raw materials, does not need external energy, and completes the steelmaking process in the converter by means of the heat generated by the physical heat of molten iron and the chemical reaction among molten iron components. One side of the converter is provided with a steel making water gap; after molten steel is formed in the converter, rotating the converter to incline the converter body, guiding the molten steel to be injected into a ladle from a steelmaking nozzle, and simultaneously adding a deoxidizer to deoxidize and adjust the components of the molten steel; in the prior art, a steelmaking water gap has two structures; the steelmaking nozzles comprise steel nozzles penetrating through the side wall of the converter and inner nozzle bricks covering the inner wall of the steel nozzles; the inner nozzle brick is subjected to high temperature of molten steel, frictional scouring of slag and oxidation corrosion along with the frictional scouring during tapping; the first steel making water gap structure is a steel tapping hole structure, for example, a converter steel tapping hole structure convenient to replace is disclosed in a utility model patent with the publication number of CN 201567345U; the prior art mainly focuses on improving the molten steel high temperature resistance, slag friction resistance and oxidation corrosion resistance of the inner nozzle brick aiming at the research direction of the tap hole structure, and improving the replacement capability of the tap hole structure to prolong the service life, so good results are obtained; the second steel-making water gap structure is a sliding water gap structure, such as a steel tapping hole assembly for slag-stopping and steel tapping of a converter sliding plate in a utility model patent of CN 205528883U; the main research direction of the structure of the sliding nozzle is to block slag of molten steel injected into a steel ladle so as to improve the cleanliness of the molten steel injected into the steel ladle and improve the quality of finished products; the two steelmaking water gap structures are respectively provided with a base plate for establishing connection with the converter; the structure of the steel tapping hole is suitable for the production of steel products which have large usage amount and low requirement on molten steel cleanliness; the sliding water gap structure is suitable for the production of steel products with certain requirements on molten steel cleanliness; however, in the production and processing of the existing converter, the steelmaking nozzle can only be independently installed aiming at the base plate/sliding nozzle structure base plate, and a connecting structure which is adapted to two steelmaking nozzle structure base plates at the same time is not provided; this has two disadvantages; the converter has the defects that the two converters respectively have a steel tapping hole structure and a sliding water gap structure, so that the production and management cost is too high for a steel mill; two different process schemes are needed for the two steelmaking water gap structures; whether from material storage or from production arrangement, converter production requires additional investment; and 2, once the converter is installed in place, the type of the steelmaking nozzle structure cannot be changed, the converter is only suitable for producing specific types of steel, and cannot be correspondingly adjusted along with orders, so that each converter can be fully and reasonably used.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems and providing a converter steelmaking nozzle connecting mechanism.
The technical scheme of the utility model is that:
a converter steelmaking nozzle connecting mechanism comprises a connecting plate, a foundation plate and a plurality of connecting bolt and nut combinations which are arranged up and down; the centers of the connecting plate and the foundation plate are provided with molten steel holes corresponding to the molten steel openings; the molten steel hole is sleeved at the outer end part of the inner nozzle brick; the bottom surface of the foundation plate is provided with connecting holes distributed along the circumference of the center of the bottom surface of the foundation plate; a plurality of nut grooves are uniformly distributed at the edge of the connecting plate; the edge of the foundation plate is provided with a bolt groove corresponding to the nut groove; the connecting bolt and nut combination is correspondingly arranged in the nut groove and the bolt groove so as to connect the connecting plate and the foundation plate; the edge of the steel nozzle on the connecting plate is symmetrically connected with an inner nozzle pressing plate matched with the end part of the inner nozzle brick; the inner nozzle pressing plate is inclined downwards towards the end part of the steel nozzle; a pressure plate groove matched with the inner nozzle pressure plate is arranged on the connecting plate;
the converter steelmaking nozzle connecting mechanism also comprises a mounting component, a positioning component and a base plate; the seat plate comprises a seat plate for mounting a sliding water gap structure and a seat plate for mounting a molten steel gap structure; the middle part of the seat plate is provided with water through holes communicated with the molten steel holes; the water through holes are provided with refractory bricks matched with the inner nozzle bricks; the mounting assembly and the positioning assembly are arranged around the steel nozzle of the connecting plate;
the positioning assembly comprises a plurality of long positioning columns and a plurality of short positioning columns; the long positioning column and the short positioning column are respectively arranged on two opposite sides of the molten steel port; the upper end of the long positioning column exceeds the seat plate; the edge of the seat plate is provided with a long positioning groove and a short positioning groove which are matched with the side surface of the long positioning column and the side surface of the short positioning column respectively;
the mounting assembly comprises a mounting seat, an eyelet bolt, a positioning nut and a mounting pin shaft; the upper end of the mounting seat exceeds the top surface of the connecting plate; the swing bolt is inserted into the upper end of the mounting seat; the top surface of the mounting seat is provided with an avoidance groove which is crossed the edge and matched with the middle part of the loose joint bolt; the mounting pin shaft penetrates through the movable joint bolt and the upper end of the mounting seat; the positioning nut is in threaded fit with the end part of the swing bolt; the mounting seat is connected with the connecting plate; the bottom surface of the positioning nut is matched with the top surface of the seat plate.
Preferably, a positioning column A exceeding the top surface of the foundation plate is arranged at one side edge of the foundation plate; the connecting plate is provided with a positioning groove A matched with the positioning column A.
Preferably, the positioning column A penetrates through the foundation plate from bottom to top; the lower end of the positioning column A is provided with an overhanging step A; the positioning column A is arranged close to the connecting hole; the lower end of the positioning column A is flush with the bottom surface of the foundation plate.
Preferably, rings are arranged at the edges of the connecting plate and the foundation plate. Used for hoisting and installing the connecting plate and the foundation plate.
Preferably, the inner nozzle pressure plate is provided with a horizontal adjusting hole and an adjusting screw matched with the adjusting hole; the adjusting screw penetrates through the adjusting hole to be in threaded connection with the foundation plate.
Preferably, the connecting plate and the seat plate are provided with a hanging ring.
The beneficial effects of the utility model are that:
the utility model discloses a converter steelmaking mouth of a river coupling mechanism has following beneficial effect:
(1) The long positioning column and the short positioning column of the positioning assembly are used for positioning and guiding the seat plate and the connecting plate; wherein the long positioning column is used for coarsely positioning the seat plate; the short positioning column is used for fine positioning of the seat plate; the mounting seat, the loose joint bolt, the positioning nut and the mounting pin shaft of the mounting assembly are used for establishing quick detachable connection between the seat plate and the connecting plate; the seat plate comprises a seat plate for installing a sliding water gap structure and a seat plate for installing a molten steel gap structure; so, both can dismantle on same set of foundatin plate, the connecting plate and connect sliding nozzle structure, can dismantle again and connect molten steel mouth structure to realize that two kinds of steelmaking mouth of a river structures carry out quick replacement on same converter, make same converter can be directed against the corresponding steel kind of order demand production, make every converter homoenergetic obtain abundant reasonable use, also reduced production management cost when improving converter productivity effect.
(2) A positioning column A is arranged at the edge of the base plate, and a positioning groove A is correspondingly arranged on the connecting plate; the positioning column A is matched with the positioning groove A and is used for accurately positioning the connection plate and the foundation plate.
(3) The side surface of the conical boss at the upper end of the short positioning column can be automatically corrected when the base plate falls to the bottom, so that the connecting plate and the base plate are accurately superposed.
Drawings
Fig. 1 is a first perspective view of the present invention;
fig. 2 is a second perspective view of the present invention;
FIG. 3 is a partial cross-sectional top view of FIG. 1;
FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 3;
FIG. 5 is a sectional view taken along line B-B of FIG. 3;
FIG. 6 is a perspective view of the mounting assembly;
FIG. 7 is a perspective view of the present invention connected to a base plate for mounting a molten steel structure;
FIG. 8 is a first perspective view of a base plate to which a molten steel structure is attached;
FIG. 9 is a second perspective view of a seat plate for mounting a molten steel structure;
fig. 10 is a first perspective view of the present invention connected to a base plate on which a sliding gate structure is mounted;
fig. 11 is a second perspective view of the present invention connected to a base plate on which a sliding gate structure is mounted;
fig. 12 is a first perspective view of the seat plate mounting the sliding gate valve structure;
fig. 13 is a second perspective view of the seat plate mounting the sliding gate nozzle structure;
in the figure: 01. inner nozzle brick, 02, seat plate, 021, water passing hole, 0211, refractory brick, 022, long positioning groove, 023, short positioning groove, 1, connecting plate, 11, steel water hole, 12, nut groove, 13, inner nozzle pressing plate, 131, adjusting hole, 132, adjusting screw, 14, pressing plate groove, 15, positioning groove A, 2, foundation plate, 21, connecting hole, 22, bolt groove, 23, positioning column A, 231, step A, 3, connecting bolt and nut combination, 4, mounting assembly, 41, mounting seat, 411, lug, 412, avoidance groove, 42, movable joint bolt, 43, positioning nut, 44, mounting pin shaft, 51, long positioning column, 52, short positioning column, 53 lug;
in comparison with fig. 11, in fig. 10, the water through holes of the seat plate are covered by the refractory material of the sliding gate structure in fig. 10.
Detailed Description
The first embodiment is as follows: referring to fig. 1-13, a converter steelmaking nozzle connecting mechanism comprises a connecting plate 1, a foundation plate 2 and a plurality of connecting bolt and nut assemblies 3 which are arranged up and down;
the centers of the connecting plate 1 and the foundation plate 2 are provided with molten steel holes 11 corresponding to the molten steel openings; the steel water holes 11 are sleeved at the outer end part of the inner nozzle brick 01; molten steel flows from the molten steel hole 11 to the steelmaking nozzle structure; the inner nozzle brick 01 bears the high temperature and the friction of steel slag when molten steel passes through a steel nozzle;
the bottom surface of the foundation plate 2 is provided with connecting holes 21 which are distributed along the center circumference of the bottom surface of the foundation plate 2 and matched with a flange plate on a converter; a converter is provided with a flange plate for connection at a steelmaking nozzle; the connecting hole 21 can be matched and connected with a flange plate, so that a converter steelmaking water gap is connected with a converter;
a plurality of nut grooves 12 are uniformly distributed at the edge of the connecting plate 1; the edge of the foundation plate 2 is provided with a bolt groove 22 corresponding to the nut groove 12; the connecting bolt and nut combination 3 is correspondingly arranged in the nut groove 12 and the bolt groove 22 so as to connect the connecting plate 1 and the foundation plate 2; the connecting bolt and nut combination 3 connects the connecting plate 1 and the foundation plate 2 into a whole;
the edge of the steel nozzle on the connecting plate 1 is symmetrically connected with inner nozzle pressing plates 13 matched with the end parts of the inner nozzle bricks 01; the inner nozzle pressing plate 13 is inclined downwards towards the end of the steel nozzle; the inner nozzle pressing plate 13 is used for pressing the inner nozzle brick 01 of the converter at the steelmaking nozzle; the inner nozzle brick 01 is a part which is in direct contact with molten steel at a steelmaking nozzle and is a commonly used refractory material; a pressure plate groove 14 matched with the inner nozzle pressure plate 13 is arranged on the connecting plate 1, so that the top surface of the connecting plate 1 provided with the inner nozzle pressure plate 13 is ensured to be smooth, and the connecting seat plate 02 and the sliding nozzle structure seat plate 02 are facilitated;
the converter steelmaking nozzle connecting mechanism also comprises a mounting component 4, a positioning component and a seat plate 02; the seat plate 02 comprises a seat plate 02 for mounting a sliding water gap structure and a seat plate 02 for mounting a molten steel gap structure; the two base plates 02 are respectively used for mounting a sliding water gap structure and a molten steel gap structure; the middle part of the seat board 02 is provided with a water through hole 021 communicated with the molten steel hole 11; the water through hole 021 is provided with a refractory brick 0211 matched with the inner nozzle brick 01; the molten steel passing through the molten steel hole 11 then passes through the water through hole 021 and further enters the sliding nozzle structure/molten steel nozzle structure; the refractory bricks 0211 on the water holes 021 bear the high temperature and steel slag friction during the transfer of the section of molten steel; the mounting assembly 4 and the positioning assembly are arranged around a molten steel port of the connecting plate 1;
the positioning assembly comprises a plurality of long positioning columns 51 and a plurality of short positioning columns 52; the long positioning column 51 and the short positioning column 52 are respectively arranged on two opposite sides of the molten steel port; in the embodiment, 2 long positioning columns 51 are provided, and 2 short positioning columns 52 are provided; the upper ends of the long positioning columns 51 exceed the seat plate 02; the edge of the seat board 02 is provided with a long positioning groove 022 and a short positioning groove 023 which are matched with the side surfaces of the long positioning columns 51 and the short positioning columns 52 respectively; when the plate 02 of the seat 41 is installed, the seat plate 02 can slide downwards reliably on the long positioning columns 51, and when the short positioning columns 52 are matched with the edge of the seat plate 02, the seat plate 02 is positioned relative to the connecting plate 1;
the mounting assembly 4 comprises a mounting seat 41, an eyelet bolt 42, a positioning nut 43 and a mounting pin shaft 44; the upper end of the mounting seat 41 exceeds the top surface of the connecting plate 1; the swing bolt 42 is inserted upside down into the upper end of the mounting base 41; the mounting pin shaft 44 passes through the swing bolt 42 and the upper end of the mounting seat 41; the top surface of the mounting seat 41 is provided with an avoiding groove 412 which is crossed on the edge and matched with the middle part of the loose joint bolt; the retainer nut 43 is threadedly engaged with the end of the swing bolt 42; the mounting seat 41 is connected with the connecting plate 1; the bottom surface of the positioning nut 43 is matched with the top surface of the seat plate 02; the swing bolt 42 and the positioning nut 43 are arranged to clamp the seat plate 02 from top to bottom, and the connection between the seat plate 02 and the connecting plate 1 is established; and the swing bolt 42 after loosening the positioning nut 43 can pass through the avoiding groove 412 to be convenient for the seat plate 02 to be detached.
A positioning column A23 which exceeds the top surface of the foundation plate 2 is arranged at the edge of one side of the foundation plate 2; the connecting plate 1 is provided with a positioning groove A15 matched with the positioning column A23; the positioning column A23 and the positioning groove A15 are arranged to facilitate the positioning of the connecting plate 1 and the foundation plate 2 when the connecting plate 1 is connected with the foundation plate 2; because only one side edge of the base plate 2 is provided with the positioning column A23 which is matched with the positioning groove A15; when the connection between the foundation plate 2 and the connecting plate 1 is established, a worker can preliminarily judge whether the front side and the back side of the connecting plate 1 are proper according to whether the corresponding positioning column A23 and the positioning groove A15 exist, so that the wrong assembly time is reduced, and the installation speed is increased; when locating slot first 15 on the connecting plate 1 matches and leans on 2 reference column first 23 of foundatin plate, connecting plate 1 is accurate with 2 location of foundatin plate.
The positioning column A23 penetrates through the foundation plate 2 from bottom to top; the lower end of the positioning column A23 is provided with an overhanging step A231; the positioning column A23 is arranged close to the connecting hole 21; the lower end of the positioning column A23 is flush with the bottom surface of the foundation plate 2; the positioning column A23 is detachably mounted through the step A231, so that the step A231 can be conveniently replaced; at the moment, the lower end of the positioning column A23 is matched with the end face of the converter flange plate, and the limiting of the positioning column A23 is realized.
The inner nozzle pressing plate 13 is provided with an adjusting hole 131 in the horizontal direction and an adjusting screw 132 matched with the adjusting hole 131; the adjusting screw 132 passes through the adjusting hole 131 and is in threaded connection with the base plate 2; the adjusting screw 132 is engaged with the adjusting hole 131 to adjust the horizontal position of the inner nozzle pressure plate 13, and the inner nozzle brick 01 is fittingly pressed and fixed.
The lower ends of the long positioning column 51 and the short positioning column 52 are provided with outward extending bosses 53; the end surface of the boss 53 is flush with the bottom surface of the connecting plate 1; the long positioning column 51 and the short positioning column 52 both penetrate through the connecting plate 1 from bottom to top; the boss 53 is embedded in the connecting plate 1; therefore, the long positioning column 51 and the short positioning column 52 can be replaced, and maintenance is facilitated.
The upper end of the short positioning column 52 is provided with a conical boss 53; the edge of the seat plate 02 is matched with the side face of the upper end of the short positioning column 52; thus, when the seat plate 02 is dropped against the long positioning posts 51, the upper ends of the short positioning posts 52 can also form an automatic position calibration function, so that the position of the seat plate 02 relative to the connecting plate 1 is more accurate when the seat plate is dropped.
The lower end of the mounting base 41 is provided with a protruding block 411 which extends outwards; the lower end of the mounting seat 41 is flush with the bottom surface of the connecting plate 1; the mounting seat 41 penetrates through the connecting plate 1 from bottom to top; the projection 411 is embedded in the connecting plate 1; in this way, the mounting block 41 can be replaced for later maintenance.
The working principle of the embodiment is as follows: the connecting plate 1 is connected with the converter through a connecting hole 21; molten steel in the converter flows to a steelmaking water gap through steel water gaps on the connecting plate 1 and the foundation plate 2; the inner nozzle pressing plate 13 on the connecting plate 1 is used for pressing the inner nozzle brick 01; the inner nozzle brick 01 is directly contacted with molten steel; the connecting plate 1 and the foundation plate 2 are integrated through a connecting bolt and nut combination 3; the mounting component 4 and the positioning component are respectively used for connecting and positioning the seat plate 02; wherein the long positioning column 51 and the short positioning column 52 of the positioning assembly are used for positioning and guiding respectively; the long positioning columns 51 are used for guiding the seat plate 02 on one side when falling; the short positioning column 52 is used for confirming and positioning the other side when the seat plate 02 falls to the bottom; the long positioning columns 51 and the short positioning columns 52 are used for positioning and guiding, so that the seat plate 02 can be accurately positioned relative to the connecting plate 1; the mounting seat 41, the swing bolt 42 and the positioning nut 43 of the mounting component 4 realize the functions of stable connection and quick detachment of the seat plate 02; when the connection between the seat plate 02 and the connecting plate 1 is established, the positioning nut 43 is in threaded fit with the swing bolt 42 to realize the tight compression of the seat plate 02 and the connecting plate 1, and the pin shaft 44 is installed as a connecting piece; when the seat plate 02 is detached, the positioning nut 43 is loosened by a certain distance, and the swing bolt 42 is pulled, so that the swing bolt 42 rotates around the mounting pin shaft 44 and passes through the avoiding groove 412 to release the connection relationship between the connecting plate 1 and the seat plate 02, thereby realizing quick detachment.
Example two: the second embodiment is substantially the same as the first embodiment, and the same parts are not described again, except that the connecting plate 1 and the seat plate 02 are provided with a hanging ring for the hoisting installation of the connecting plate 1 and the seat plate 02.
Claims (7)
1. A converter steelmaking nozzle connecting mechanism is characterized by comprising a connecting plate, a foundation plate and a plurality of connecting bolt and nut combinations which are arranged up and down; the centers of the connecting plate and the foundation plate are provided with molten steel holes corresponding to the molten steel openings; the molten steel hole is sleeved at the outer end part of the inner nozzle brick; the bottom surface of the foundation plate is distributed with connecting holes along the center circumference of the bottom surface of the foundation plate; a plurality of nut grooves are uniformly distributed at the edge of the connecting plate; the edge of the foundation plate is provided with a bolt groove corresponding to the nut groove; the connecting bolt and nut combination is correspondingly arranged in the nut groove and the bolt groove so as to connect the connecting plate and the foundation plate; the edge of the steel nozzle on the connecting plate is symmetrically connected with an inner nozzle pressing plate matched with the end part of the inner nozzle brick; the inner nozzle pressing plate inclines downwards towards the end part of the steel nozzle; a pressure plate groove matched with the inner nozzle pressure plate is arranged on the connecting plate;
the converter steelmaking nozzle connecting mechanism also comprises a mounting component, a positioning component and a base plate; the base plate comprises a base plate for installing a sliding water gap structure and a base plate for installing a molten steel gap structure; the middle part of the seat board is provided with a water through hole communicated with the molten steel hole; the water through hole is provided with a refractory brick matched with the inner nozzle brick; the mounting assembly and the positioning assembly are arranged around the steel nozzle of the connecting plate;
the positioning assembly comprises a plurality of long positioning columns and a plurality of short positioning columns; the long positioning column and the short positioning column are respectively arranged on two opposite sides of the molten steel port; the upper end of the long positioning column exceeds the seat plate; the edge of the seat plate is provided with a long positioning groove and a short positioning groove which are matched with the side surface of the long positioning column and the side surface of the short positioning column respectively;
the mounting assembly comprises a mounting seat, an eyelet bolt, a positioning nut and a mounting pin shaft; the upper end of the mounting seat exceeds the top surface of the connecting plate; the movable joint bolt is inserted into the upper end of the mounting seat; the top surface of the mounting seat is provided with an avoidance groove which is crossed the edge and matched with the middle part of the loose joint bolt; the mounting pin shaft penetrates through the swing bolt and the upper end of the mounting seat; the positioning nut is in threaded fit with the end part of the swing bolt; the mounting seat is connected with the connecting plate; the bottom surface of the positioning nut is matched with the top surface of the seat plate.
2. The converter steelmaking nozzle connecting mechanism of claim 1, wherein: a positioning column A exceeding the top surface of the foundation plate is arranged at one side edge of the foundation plate; the connecting plate is provided with a positioning groove A matched with the positioning column A.
3. The converter steelmaking nozzle connecting mechanism as claimed in claim 2, wherein: the positioning column A penetrates through the foundation plate from bottom to top; the lower end of the positioning column A is provided with an overhanging step A; the positioning column A is arranged close to the connecting hole; the lower ends of the positioning columns A are flush with the bottom surface of the foundation plate.
4. The converter steelmaking nozzle connecting mechanism as claimed in claim 1, wherein: the inner nozzle pressing plate is provided with an adjusting hole in the horizontal direction and an adjusting screw matched with the adjusting hole; the adjusting screw penetrates through the adjusting hole to be in threaded connection with the foundation plate.
5. The converter steelmaking nozzle connecting mechanism of claim 1, wherein: the lower ends of the long positioning column and the short positioning column are provided with outward extending bosses; the end surface of the boss is flush with the bottom surface of the connecting plate; the long positioning column and the short positioning column both penetrate through the connecting plate; the boss is embedded in the connecting plate.
6. The converter steelmaking nozzle connecting mechanism of claim 1, wherein: the upper end of the short positioning column is a conical boss; the edge of the seat board is matched with the side surface of the upper end of the short positioning column.
7. The converter steelmaking nozzle connecting mechanism as claimed in claim 1, wherein: the lower end of the mounting seat is provided with an outward extending lug; the lower end of the mounting seat is flush with the bottom surface of the connecting plate; the mounting seat penetrates through the connecting plate from bottom to top; the lug is embedded in the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222210746.8U CN218089658U (en) | 2022-08-23 | 2022-08-23 | Converter steelmaking mouth of a river coupling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222210746.8U CN218089658U (en) | 2022-08-23 | 2022-08-23 | Converter steelmaking mouth of a river coupling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218089658U true CN218089658U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222210746.8U Active CN218089658U (en) | 2022-08-23 | 2022-08-23 | Converter steelmaking mouth of a river coupling mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN218089658U (en) |
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2022
- 2022-08-23 CN CN202222210746.8U patent/CN218089658U/en active Active
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