CN114161053A - Method for modularizing converter suspension device - Google Patents
Method for modularizing converter suspension device Download PDFInfo
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- CN114161053A CN114161053A CN202111431487.5A CN202111431487A CN114161053A CN 114161053 A CN114161053 A CN 114161053A CN 202111431487 A CN202111431487 A CN 202111431487A CN 114161053 A CN114161053 A CN 114161053A
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- 239000000725 suspension Substances 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000003466 welding Methods 0.000 claims abstract description 159
- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000009628 steelmaking Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 241001125879 Gobio Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
Abstract
The invention provides a method for modularizing a converter suspension device, which relates to the field of converter steelmaking mechanical equipment.A welding end face is arranged on the converter suspension device, and the converter suspension device can be matched with the outer wall of a furnace shell or the outer wall of a backing ring through the welding end face to form a welding groove; two sides which are oppositely arranged are formed on the welding end face, and according to the preset installation position of the converter suspension device, one side with large welding operation space is designated as a first side, and the other side with small welding operation space is designated as a second side; the welding end face is arranged to be inclined to the outer wall of the furnace shell or the outer wall of the backing ring, and a welding groove formed by the welding end face is gradually narrowed from the first side edge to the second side edge. The method for modularizing the converter suspension device provided by the invention realizes the modularization of the converter suspension device and is convenient for the installation of the converter suspension device.
Description
Technical Field
The invention relates to the field of converter steelmaking mechanical equipment, in particular to a method for modularizing a converter suspension device.
Background
The converter suspension device is a very critical device widely applied in the field of converter steelmaking, is mainly a device for connecting a backing ring and a furnace shell, and consists of a backing ring lifting lug, a furnace shell lifting lug, a connecting rod and other accessories.
The converter suspension device comprises a horizontal suspension device and a vertical suspension device, and in the prior art, the horizontal suspension device and the vertical suspension device are connected with a backing ring and a converter in a welding mode. The connecting rod, the trunnion and related parts are required to be detached when the lifting lugs are welded, and then reset installation is carried out after welding, for example, the invention patent with the publication number of CN105710550B, namely the assembling and welding method of the five-connecting-rod suspension device of the large converter introduces an installation scheme, and the installation process is time-consuming and labor-consuming and has potential safety hazards no matter whether the horizontal connecting rod device or the vertical connecting rod device needs to be preassembled, disassembled and reset installation.
In view of the above, the present inventors have designed a converter suspension device modularized installation method through repeated tests according to production design experiences in this field and related fields for many years, so as to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a method for modularizing a converter suspension device, which realizes the modularization of the converter suspension device and is convenient for the installation of the converter suspension device.
In order to achieve the purpose, the invention provides a method for modularizing a converter suspension device, wherein a welding end face is arranged on the converter suspension device, and the converter suspension device can be matched with the outer wall of a furnace shell or the outer wall of a backing ring through the welding end face to form a welding groove; forming two opposite side edges on the welding end face, comparing the welding operation spaces of the two side edges according to the preset installation position of the converter suspension device, and designating one side edge with a large welding operation space as a first side edge and the other side edge with a small welding operation space as a second side edge; and setting the welding end face to be inclined to the outer wall of the furnace shell or the outer wall of the backing ring, wherein the welding groove formed by the welding end face is gradually narrowed from the first side edge to the second side edge.
Compared with the prior art, the invention has the following characteristics and advantages:
according to the method for modularizing the converter suspension device, the double-groove welding mode of the existing converter suspension device is changed into the single groove facing to the side with the large welding operation space, so that the welding operation is not required to be carried out on the side with the small welding operation space during welding construction, and only one side (namely the first side, namely the opening of the welding groove) which is convenient to weld of the converter suspension device is welded. Therefore, the converter suspension device can be used as a module to be integrally welded with the furnace shell or the backing ring during welding, and the converter suspension device does not need to be disassembled into various parts with small volumes and then welded, so that the welding efficiency of the converter suspension device is greatly improved; meanwhile, the converter suspension device can be welded as a whole, so that the converter suspension device can be assembled in advance in a factory to form a module and then transported to a construction site, the site construction difficulty is greatly reduced, and the loss of each part in the transportation process are avoided.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.
FIG. 1 is a schematic view of the installation of a converter suspension according to the invention;
FIG. 2 is a schematic illustration of the installation of the vertical converter suspension of the present invention;
FIG. 3 is a schematic view of the direction M of FIG. 2;
FIG. 4 is an enlarged view at X1 of FIG. 2;
FIG. 5 is an enlarged view at X2 of FIG. 3;
FIG. 6 is a schematic view of the vertical converter hanger of the present invention after being modularized;
FIG. 7 is a schematic view of the installation of the horizontal converter suspension apparatus of the present invention;
FIG. 8 is an enlarged view at Y1 of FIG. 7;
FIG. 9 is a schematic view of FIG. 7 in the direction N;
FIG. 10 is an enlarged view at Y2 of FIG. 9;
fig. 11 is a schematic view of the modular horizontal converter suspension assembly of the present invention.
Description of reference numerals:
100. a horizontal converter suspension device; 110. A supporting ring horizontal lifting lug;
111. horizontally welding the end face of the backing ring; 112. A side edge;
113. a supporting ring horizontal supporting plate; 114. A third trunnion;
115. a base; 120. A furnace shell horizontal lifting lug;
121. horizontally welding the end face of the furnace shell; 122. A side edge;
123. a furnace shell horizontal supporting plate; 124. A fourth trunnion;
130. a horizontal connecting rod; 200. A vertical converter suspension device;
210. the backing ring is vertical to the lifting lug; 211. The backing ring is vertically welded with the end face;
212. an outer side edge; 213. The backing ring is vertical to the supporting plate;
214. a first trunnion; 220. The furnace shell is vertical to the lifting lug;
221. the furnace shell is vertically welded with the end surface; 222. An outer side edge;
223. a furnace shell is vertical to the supporting plate; 224. A second trunnion;
230. a vertical connecting rod;
300. a furnace shell; 400. A trunnion ring.
Detailed Description
The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention.
The invention provides a method for modularizing a converter suspension device, as shown in fig. 1 to 11, a welding end face is arranged on the converter suspension device, and the welding end face is used for being matched with the outer wall of a furnace shell or the outer wall of a backing ring to form a welding groove; the welding end face is provided with two opposite side edges, the welding operation spaces of the two side edges are compared according to the preset installation position of the converter suspension device, the side edge with the larger welding operation space is designated as a first side edge, and the other side edge with the smaller welding operation space is designated as a second side edge; the welding end face is arranged to be inclined to the outer wall of the furnace shell or the outer wall of the backing ring, and a welding groove formed by the welding end face is gradually narrowed from the first side edge to the second side edge.
According to the method for modularizing the converter suspension device, the double-groove welding mode of the existing converter suspension device is changed into the single groove facing to the side with the large welding operation space, so that the welding operation is not required to be carried out on the side with the small welding operation space during welding construction, and only one side (namely the first side, namely the opening of the welding groove) which is convenient to weld of the converter suspension device is welded. Therefore, the converter suspension device can be used as a module to be integrally welded with the furnace shell or the backing ring during welding, and the converter suspension device does not need to be disassembled into various parts with small volumes and then welded, so that the welding efficiency of the converter suspension device is greatly improved; meanwhile, the converter suspension device can be welded as a whole, so that the converter suspension device can be assembled in advance in a factory to form a module and then transported to a construction site, the site construction difficulty is greatly reduced, and the loss of each part in the transportation process are avoided.
In an alternative embodiment of the present invention, as shown in fig. 7 to 11, the converter suspension device comprises a horizontal converter suspension device 100, the horizontal converter suspension device 100 has a trunnion ring horizontal lifting lug 110, a furnace shell horizontal lifting lug 120 and a horizontal connecting rod 130, and two ends of the horizontal connecting rod 130 are respectively rotatably connected with the trunnion ring horizontal lifting lug 110 and the furnace shell horizontal lifting lug 120; the welding end surface comprises a trunnion ring horizontal welding end surface 111 arranged on the trunnion ring horizontal lifting lug 110 and a furnace shell horizontal welding end surface 121 arranged on the furnace shell horizontal lifting lug 120.
In an alternative example of this embodiment, according to the predetermined installation position of the horizontal converter hanging device 100, comparing the welding operation spaces of the two sides of the trunnion ring horizontal welding end surface 121 and the two sides of the furnace shell horizontal welding end surface 121, it is determined that the welding operation space of the side 112 of the trunnion ring horizontal welding end surface 111 far away from the furnace shell 300 is large, and the welding operation space of the side 122 of the furnace shell horizontal welding end surface 121 far away from the trunnion ring 400 is large; one side 112 of the horizontally welded end surface 111 of the trunnion ring away from the furnace shell and one side 122 of the horizontally welded end surface 121 of the furnace shell away from the trunnion ring are designated as first sides. Thus, the opening of the horizontal welding bevel of the trunnion ring formed by the corresponding matching of the horizontal welding end surface 111 of the trunnion ring and the trunnion ring 400 is positioned at one side 112 far away from the furnace shell 300, and the narrow end of the horizontal welding bevel of the trunnion ring is positioned at the other side close to the furnace shell 300; the furnace shell horizontal welding bevel formed by the furnace shell horizontal welding end surface 121 and the furnace shell 300 has an opening located on one side 122 far away from the trunnion ring 400, and a narrow end located on the other side close to the trunnion ring 400.
When the horizontal converter suspension device 100 is welded and installed, the horizontal lifting lug 120 of the converter shell is welded on the converter shell 300, and the horizontal lifting lug 110 of the trunnion ring is welded on the trunnion ring 400. Specifically, the furnace shell horizontal lifting lug 120 is butted on the furnace shell 300, a furnace shell horizontal welding groove is formed by the furnace shell horizontal welding end face 121 and the outer wall of the furnace shell 300, then the horizontal connecting rod 130 is in an open state, and then the single-side welding operation is carried out, so that the furnace shell horizontal welding end face 121 is connected with the outer wall of the furnace shell 300 in a welding manner; then, the horizontal connecting rod 130 is in a retraction state, the trunnion ring horizontal lifting lug 110 is butted to the trunnion ring 400, a trunnion ring horizontal welding groove is formed by the trunnion ring horizontal welding end surface 111 and the outer wall of the trunnion ring, and then single-side welding operation is carried out, so that the trunnion ring horizontal welding end surface 111 is connected with the trunnion ring 400 in a welding way; in the welding process, only one-side welding is needed, the horizontal converter suspension device 100 can be installed in place at one time, and the installation efficiency and the installation precision are improved.
In an optional example, the trunnion ring horizontal lifting lug 110 includes a base 115, two trunnion ring horizontal support plates 113 arranged side by side, and a third trunnion 114 rotatably installed between the two trunnion ring horizontal support plates 113, the two trunnion ring horizontal support plates 113 are respectively and fixedly connected with the base 115, the base 115 is provided with a trunnion ring horizontal welding end surface 111, a side of the trunnion ring horizontal welding end surface 111 close to the furnace shell 300 is a second side, and a side 112 of the trunnion ring horizontal welding end surface 111 far from the furnace shell 300 is a first side. The furnace shell horizontal lifting lug 120 comprises two furnace shell horizontal support plates 123 arranged in parallel and a fourth trunnion 124 rotatably installed between the two furnace shell horizontal support plates 123, the two furnace shell horizontal support plates 123 are respectively provided with a furnace shell horizontal welding end surface 121, the side of each furnace shell horizontal welding end surface 121 close to the trunnion ring is a second side, and the side of each furnace shell horizontal welding end surface 121 far away from the trunnion ring 400 is a first side.
In an alternative example, the horizontal converter hanging device 100 is installed above the trunnion ring 400, the lower side of each furnace shell horizontal welding end surface 121 is a second side, the upper side of each furnace shell horizontal welding end surface 121 is a first side, and the opening of the furnace shell horizontal welding bevel faces upward.
In another alternative example, the horizontal converter hanging device 100 is installed below the trunnion ring 400, the upper side of each furnace shell horizontal welding end surface 121 is a second side, the lower side of each furnace shell horizontal welding end surface 121 is a first side, and the opening of the furnace shell horizontal welding bevel faces downward.
In the present embodiment, both ends of the horizontal link 130 are hinged to the third trunnion 114 and the fourth trunnion 124, respectively. Specifically, two ends of the third trunnion 114 are respectively mounted on the two trunnion ring horizontal support plates 113 through trunnion joint bearings, and two ends of the fourth trunnion 124 are respectively mounted on the two furnace shell horizontal support plates 123 through trunnion joint bearings; the both ends of horizontal connecting rod 130 all are equipped with and rotate mounting structure, rotate mounting structure and include sleeve and the connecting rod joint bearing of suit on the sleeve, and connecting rod joint bearing connects on horizontal connecting rod 130, and the sleeve that is located the relative both sides of horizontal connecting rod 130 is the suit respectively on third gudgeon 114 and fourth gudgeon 124.
Specifically, when the trunnion joint bearing is installed, distance rings are arranged between the sleeve and the trunnion joint bearing positioned on two sides of the sleeve, the distance rings are respectively sleeved on the corresponding third trunnion 114 or fourth trunnion 124, and the trunnion joint bearing can be prevented from moving on the third trunnion 114 or the fourth trunnion 124 through the distance rings.
In an alternative example of this embodiment, trunnion ring horizontal lugs 110, horizontal connecting rods 130, and furnace shell horizontal lugs 120 are assembled to form a horizontal converter hanger module. The modular horizontal converter suspension device 100 is transported and installed as a whole when in use, and the problems of lost parts, difficulty in guaranteeing the precision during resetting, safety risks brought in the dismounting process and the like caused by leaving welding space for dismounting are avoided.
In an alternative embodiment of the present invention, the converter suspension device comprises a vertical converter suspension device 200, as shown in fig. 2 to 6, the vertical converter suspension device 200 has a trunnion ring vertical lifting lug 210, a furnace shell vertical lifting lug 220 and a vertical connecting rod 230, and two ends of the vertical connecting rod 230 are respectively rotatably connected with the trunnion ring vertical lifting lug 210 and the furnace shell vertical lifting lug 220; the welding end face comprises a trunnion ring vertical welding end face 211 arranged on the trunnion ring vertical lifting lug 210 and a furnace shell vertical welding end face 221 arranged on the furnace shell vertical lifting lug 220.
In an alternative example of this embodiment, it is confirmed that the welding operation space of the outer side 212 of the trunnion ring vertical welded end surface 211 and the outer side 222 of the shell vertical welded end surface 221 is large according to the predetermined installation position of the vertical converter hanging device 200, and the outer side 212 of the trunnion ring vertical welded end surface 211 and the outer side 222 of the shell vertical welded end surface 221 are specified as the first sides. Thus, the opening of the vertical welding bevel of the trunnion ring formed by correspondingly matching the vertical welding end surface 211 of the trunnion ring with the trunnion ring 400 is positioned at the outer side 212, and the narrow end of the vertical welding bevel of the trunnion ring is positioned at the inner side; the furnace shell vertical welding groove formed by the furnace shell vertical welding end surface 221 and the furnace shell 300 has an opening at the outer side 222 and a narrow end at the inner side.
When the vertical converter suspension device 200 is welded and installed, the backing ring vertical lifting lug 210 is welded on the backing ring 400, the furnace shell vertical lifting lug 220 is welded on the furnace shell 300, a backing ring vertical welding groove is formed by the backing ring vertical welding end face 211 and the outer wall of the backing ring 400, and then single-side welding operation is carried out, so that the backing ring vertical welding end face 211 is connected with the backing ring in a welding way; meanwhile, the furnace shell vertical lifting lugs 220 are butted on the furnace shell 300, a furnace shell vertical welding groove is formed by the furnace shell vertical welding end surface 221 and the outer wall of the furnace shell 300, and then the single-side welding operation is carried out, so that the furnace shell vertical welding end surface 221 is connected with the outer wall of the furnace shell 300 in a welding mode. In the welding process, only one-side welding is needed, the vertical converter suspension device 200 can be installed in place at one time, and the installation efficiency and the installation precision are improved.
In an alternative example, the trunnion ring vertical lifting lug 210 includes two trunnion ring vertical support plates 213 arranged side by side and a first trunnion 214 rotatably installed between the two trunnion ring vertical support plates 213, the two trunnion ring vertical support plates 213 are both provided with trunnion ring vertical welding end faces 211, an inner side edge (a side edge close to an area sandwiched by the two trunnion ring vertical support plates 213) of the trunnion ring vertical welding end faces 211 is a second side edge, an outer side edge 212 (a side edge far away from the area sandwiched by the two trunnion ring vertical support plates 213) of the trunnion ring vertical welding end faces 211 is a first side edge, and the trunnion ring vertical welding bevel is opened outwards. The furnace shell vertical lifting lug 220 comprises two furnace shell vertical supporting plates 223 arranged in parallel and a second trunnion 224 rotatably installed between the two furnace shell vertical supporting plates 223, furnace shell vertical welding end faces 221 are arranged on the two furnace shell vertical supporting plates 223, the inner side edges of the furnace shell vertical welding end faces 221 (the side edges close to the area clamped by the two furnace shell vertical supporting plates 223) are second side edges, the outer side edges 222 of the furnace shell vertical welding end faces 221 are first side edges, and the furnace shell vertical welding grooves are opened outwards.
In this embodiment, the vertical link 230 is hinged at both ends to the first trunnion 214 and the second trunnion 224, respectively. Specifically, two ends of the first trunnion 214 are respectively mounted on the two trunnion ring vertical support plates 213 through trunnion knuckle bearings, and two ends of the second trunnion 224 are respectively mounted on the two furnace shell vertical support plates 223 through trunnion knuckle bearings; the two ends of the vertical connecting rod 230 are provided with a rotary mounting structure, the rotary mounting structure comprises a sleeve and a connecting rod knuckle bearing sleeved on the sleeve, the connecting rod knuckle bearing is connected to the vertical connecting rod 230, and the sleeves positioned at the two opposite sides of the vertical connecting rod 230 are respectively sleeved on the first trunnion 214 and the second trunnion 224.
Specifically, when the trunnion knuckle bearing is installed, distance rings are arranged between the sleeve and the trunnion knuckle bearing positioned on two sides of the sleeve, the distance rings are respectively sleeved on the corresponding first trunnion 214 or second trunnion 224, and the trunnion knuckle bearing can be prevented from moving on the first trunnion 214 or the second trunnion 224 through the distance rings.
In an alternative example of this embodiment, the trunnion ring vertical lugs 210, the vertical connecting rods 230, and the furnace shell vertical lugs 220 are assembled to form a vertical converter hanger module. The modular vertical converter suspension device 200 is transported and installed as a whole when in use, thereby avoiding the problems of lost parts, difficulty in ensuring the precision during resetting, safety risks brought in the process of disassembly and assembly and the like caused by the fact that a welding space is reserved for disassembly.
In an optional embodiment of the present invention, the bevel angle a of each welding bevel is 15 to 60 degrees.
In an optional example of the invention, a back plate is arranged on the converter suspension device, the back plate is fixedly connected to the second side edge and can close the narrow end of the welding groove, and the narrow end of the welding groove can be blocked by the back plate, so that a molten pool can be formed in the welding groove during welding to improve the welding quality.
The converter suspension device is modularized by reasonably setting the welding groove form of the converter suspension device; the method for modularizing the converter suspension device provided by the invention can bring the following beneficial effects:
firstly, all parts of each group of modularized converter suspension devices are well assembled in a manufacturing plant, tools and appliances are complete, means are rich, high-efficiency and accurate assembly can be realized, time and cost are saved, and product quality is guaranteed;
secondly, the transportation and the storage are convenient, and the problems of part loss and part damage caused by part transportation are solved;
the assembly method has the advantages that disassembly and reset are not needed during field assembly, only the welding position needs to be located, the assembly difficulty is reduced, the types and the number of operators and tools are reduced, the assembly time is shortened, and the assembly efficiency, the assembly precision and the assembly safety are improved;
the quality of the final product is ensured due to the improvement of the assembly and installation precision, the use safety can be improved, and the service life is prolonged;
and fifthly, as each link saves time and prolongs the service life, the production stop time of the steel mill is reduced, the production time can be increased, and direct economic benefit is brought to the steel mill.
The present invention is not limited to the above embodiments, and in particular, various features described in different embodiments can be arbitrarily combined with each other to form other embodiments, and the features are understood to be applicable to any embodiment except the explicitly opposite descriptions, and are not limited to the described embodiments.
Claims (9)
1. A method for modularizing a converter suspension device is characterized in that a welding end face is arranged on the converter suspension device, and the converter suspension device can be matched with the outer wall of a furnace shell or the outer wall of a backing ring through the welding end face to form a welding groove; forming two opposite side edges on the welding end face, comparing the welding operation spaces of the two side edges according to the preset installation position of the converter suspension device, wherein one side edge with a large welding operation space is designated as a first side edge, and the other side edge with a small instruction welding operation space is designated as a second side edge; and setting the welding end face to be inclined to the outer wall of the furnace shell or the outer wall of the backing ring, wherein the welding groove formed by the welding end face is gradually narrowed from the first side edge to the second side edge.
2. The method for modularizing a converter suspension device according to claim 1, wherein said converter suspension device is configured as a horizontal converter suspension device having a trunnion ring horizontal lifting lug, a furnace shell horizontal lifting lug and a horizontal connecting rod, such that both ends of said horizontal connecting rod are rotatably connected with said trunnion ring horizontal lifting lug and said furnace shell horizontal lifting lug, respectively; and the backing ring horizontal lifting lug is provided with a backing ring horizontal welding end face and the furnace shell horizontal lifting lug is provided with a furnace shell horizontal welding end face.
3. The method for modularizing the suspension system of a converter as recited in claim 2, wherein the relative sizes of the welding operation spaces of the two sides of the horizontally welded end surface of said trunnion ring and the two sides of the horizontally welded end surface of said furnace shell are compared according to the predetermined installation position of the suspension system of the horizontal converter, and it is confirmed that the welding operation space of one side of the horizontally welded end surface of said trunnion ring away from said furnace shell is larger than that of the other side of the horizontally welded end surface of said trunnion ring close to said furnace shell, and the welding operation space of one side of the horizontally welded end surface of said furnace shell away from said trunnion ring is larger than that of the other side of the horizontally welded end surface of said furnace shell close to said trunnion ring; and designating one side edge of the horizontal welding end surface of the backing ring, which is far away from the furnace shell, and one side edge of the horizontal welding end surface of the furnace shell, which is far away from the backing ring, as the first side edge.
4. A method of modularizing a converter suspension device according to claim 2, characterized in that said trunnion ring horizontal lifting lug, said horizontal connecting rod and said furnace shell horizontal lifting lug are assembled to form a horizontal converter suspension device module.
5. A method of modularizing a converter suspension apparatus as defined in claim 1 wherein said converter suspension apparatus is configured as a vertical converter suspension apparatus having a trunnion ring vertical lug, a furnace shell vertical lug and a vertical connecting rod having opposite ends rotatably connected to said trunnion ring vertical lug and said furnace shell vertical lug, respectively; and the backing ring vertical lifting lug is provided with a backing ring vertical welding end face, and the furnace shell vertical lifting lug is provided with a furnace shell horizontal welding end face.
6. The method for modularizing the converter suspension device according to claim 5, wherein it is confirmed that the welding operation space of the outer side of the vertical welding end face of the trunnion ring is larger than the welding operation space of the inner side of the vertical welding end face of the trunnion ring and the welding operation space of the outer side of the vertical welding end face of the furnace shell is larger than the welding operation space of the inner side of the vertical welding end face of the furnace shell according to the predetermined installation position of the vertical converter suspension device, and the outer side of the vertical welding end face of the trunnion ring and the outer side of the horizontal welding end face of the furnace shell are designated as the first side.
7. A method for modularizing a converter suspension device according to claim 5 wherein said trunnion ring vertical lifting lug, said vertical connecting rod and said furnace shell vertical lifting lug are assembled to form a vertical converter suspension device module.
8. The method for modularizing a converter suspension apparatus according to claim 1, wherein a bevel angle of the welding bevel is 15 to 60 degrees.
9. Method for modularizing a converter suspension device according to claim 1, characterized in that a back plate is provided on the converter suspension device and is fixedly connected at the second side edge and closes the narrow end of the welding groove.
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| CN202111431487.5A CN114161053A (en) | 2021-11-29 | 2021-11-29 | Method for modularizing converter suspension device |
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| CN216237137U (en) * | 2021-11-17 | 2022-04-08 | 中冶京诚工程技术有限公司 | Modular horizontal cable suspension device |
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2021
- 2021-11-29 CN CN202111431487.5A patent/CN114161053A/en active Pending
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| CN102485919A (en) * | 2010-12-06 | 2012-06-06 | 中冶天工集团有限公司 | Method for installing dummy shaft of converter connecting rod suspension system |
| CN203007306U (en) * | 2012-12-12 | 2013-06-19 | 中冶南方工程技术有限公司 | Lower suspension type coupling device for furnace body of converter and supporting ring |
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| CN215668085U (en) * | 2021-10-09 | 2022-01-28 | 中冶京诚工程技术有限公司 | Modularized vertical lower suspension device |
| CN216237137U (en) * | 2021-11-17 | 2022-04-08 | 中冶京诚工程技术有限公司 | Modular horizontal cable suspension device |
| CN114131234A (en) * | 2021-11-26 | 2022-03-04 | 中冶京诚工程技术有限公司 | Installation method of horizontal hanging device |
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