CN115747413A - Rotary assembly type converter environment-friendly transformation device and use method - Google Patents
Rotary assembly type converter environment-friendly transformation device and use method Download PDFInfo
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- CN115747413A CN115747413A CN202211472645.6A CN202211472645A CN115747413A CN 115747413 A CN115747413 A CN 115747413A CN 202211472645 A CN202211472645 A CN 202211472645A CN 115747413 A CN115747413 A CN 115747413A
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Abstract
The invention belongs to the technical field of converter body equipment installation, and particularly relates to a rotary assembly type converter environment-friendly transformation device and a use method, which are characterized in that in the converter environment-friendly transformation project, because the distance between concrete foundations between two bearing seats of an original converter is too small, a special furnace receiving rack is adopted to realize the installation actions of hydraulic jacking, rotation and falling of a converter body; the special furnace receiving rack consists of a hydraulic system, a rack body, a rotating system and a base. The hydraulic system comprises 4 large-tonnage hydraulic jacks, a small-sized hydraulic station, a hydraulic rubber tube and the like, wherein the hydraulic jacks are mounted to a column head of a frame body upright column, and the hydraulic station is arranged on the outer side of the base; the frame body is connected by four stand columns (thick-wall seamless steel pipes or profile steels can be used) and the cross beams through high-strength bolts, and the whole frame body is connected with the movable base. The rotating system consists of a manual speed reducer and a rotating body. First, a special receiving rack is assembled to the molten steel car. And hoisting the converter body to a special furnace receiving rack. And starting a hydraulic system, and lifting the converter body to the position above the bearing seat. The converter body is transported to the installation site by a molten steel car and rotated by 90 ° by a rotation system. And finally, the hydraulic jack falls back, and the converter body is installed in place. The invention has the beneficial effects that: before the converter body is installed, the special furnace receiving rack can be assembled. When the converter body is installed, the special furnace receiving rack rotates by 90 degrees, and hydraulically lifts and falls back through a manual speed reducer. After the converter body is installed, the special furnace receiving rack is protectively disassembled for subsequent converter engineering. The construction efficiency is high, and the installation is steady, and installation quality is stable, also can popularize and apply to in the non-equipment fixing of hanging newly-built and environmental protection transformation converter furnace body under multiple model.
Description
Technical Field
The invention belongs to the technical field of installation of converter body equipment, and particularly relates to a rotary assembly type converter environment-friendly transformation device and a use method.
Background
In the field of metallurgy, the term "environmental improvement" refers to the improvement of backward technology by advanced technology on the premise that steel enterprises insist on technological progress, and the advanced technology and equipment are used for replacing the backward technology and equipment, so that the purpose of increasing variety, improving quality, saving energy, reducing raw material consumption, improving labor productivity and improving economic benefit is achieved. Because the converter body can not be hoisted by using a bridge crane, only an integral hydraulic jacking method can be used.
The original construction technology is that a furnace receiving rack is manufactured on a molten steel car by using section bars or pipes through field welding, 4 hydraulic jacks are installed at the top ends of upright posts of the furnace receiving rack, and a rotator is installed at the upper parts of the hydraulic jacks. And (3) placing the converter body on the upper part of the rotating body, slowly lifting the hydraulic jack to a proper installation elevation, driving the converter body to rotate by 90 degrees by using a winch, slowly falling the hydraulic jack until the converter body is not stressed, and finally cutting, disassembling and transporting the converter rack. The whole construction process consumes too long time, and steel is discarded and disposed after being used once. The original method is not only time consuming, but also wastes material.
Disclosure of Invention
The invention aims to provide a rotary assembly type converter environment-friendly transformation device and a use method, which overcome the defects of the prior art, and can realize the purposes of synchronous hydraulic jacking, electric rotation, detachability and repeated use in the installation process of a converter body by adopting a special furnace receiving rack. The special furnace receiving rack is customized in a standardized mode, parts are replaced at will and are easy to assemble, the use is convenient, the parts can be used repeatedly, the construction period is shortened, the operation efficiency is improved, the parts can be disassembled and stored when the parts are not used, and the resetting cost is reduced.
In order to realize the purpose, the invention is realized by the following technical scheme:
the rotary assembly type converter environment-friendly transformation device and the use method are characterized in that in the converter environment-friendly transformation project, as the distance between concrete foundations between two bearing blocks of a converter is too small, a special furnace receiving rack is adopted to realize the installation actions of hydraulic jacking, rotation and falling of a converter body; the special furnace receiving rack consists of a hydraulic system, a rack body, a rotating system and a base. The hydraulic system comprises 4 large-tonnage hydraulic jacks, a small-sized hydraulic station, a hydraulic rubber tube and the like, wherein the hydraulic jacks are mounted to a column head of a frame body upright column, and the hydraulic station is arranged on the outer side of the base; the frame body is connected by four stand columns (thick-wall seamless steel pipes or profile steels can be used) and the cross beams through high-strength bolts, and the whole frame body is connected with the movable base. The rotating system consists of a motor, a speed reducer and a rotating body. First, a special receiving rack is assembled to the molten steel car. And hoisting the converter body to a special furnace receiving rack. And starting the hydraulic system, and lifting the converter body to the position above the bearing seat. The converter body is transported to the installation site by a molten steel car and rotated by 90 ° by a rotation system. And finally, the hydraulic jack falls back, and the converter body is installed in place.
Furthermore, the steel material that the special stove rack that receives should adopt is Q345, and the connecting bolt adopts high strength bolt, and the stand can adopt seamless steel pipe or H shaped steel.
Furthermore, the hydraulic jacks are electric hydraulic jacks, the tonnage is not less than 150t, the stroke is 200mm, and the four hydraulic jacks are connected to the same reversing valve of the same hydraulic station, so that the jacking and falling actions and the heights are consistent.
Further, the base is divided into a fixed base and a movable base. The fixed base is connected with the molten steel vehicle, and the movable base is connected with the upper part of the rotating body.
Furthermore, the transmission mode of the speed reducer and the rotating body is pin tooth transmission. The upper part is connected with the movable base, and the lower part is connected with the fixed base. The middle part is provided with a plurality of rolling bodies which roll in the limit positions at the upper part and the lower part of the rotating body. Because the converter body needs to rotate about 90 degrees, the pin tooth structure is manufactured at 120 degrees, and the converter body can rotate about 90 degrees.
Furthermore, the sizes of the cross beam and the base of the upper frame body of the special furnace receiving rack can be adjusted and replaced randomly according to the diameter of the installed converter body.
Furthermore, the upper bottom plate and the lower bottom plate of the special furnace receiving rack except the rotating body need to be manufactured according to different diameters of the converter body, and other parts can be detached and reused.
Further, the converter body is installed by the following steps:
1) And (4) mounting the fixed base on the molten steel car by using a high-strength bolt, and adjusting the distance according to the diameter of the converter body.
2) Manufacturing an upper bottom plate and a lower bottom plate of the rotating body according to the diameter of the converter body, assembling the rolling body (glycerol is preferably coated when the rolling body is installed, so that the smoothness of the rotating process is ensured) and a pin tooth structure, and finally installing the assembled rotating body on a fixed base by using a high-strength bolt;
3) Fixing the movable base on the rotating body by using a high-strength bolt, adjusting the space between the stand columns of the frame body according to the diameter of the converter body, and then selecting a frame body beam with a proper size for installation and fixation;
4) Respectively installing and fixing 4 hydraulic jacks on the top ends of 4 upright posts, installing A, B connecting pipes of the hydraulic jacks, and connecting the connecting pipes to a reversing valve on a small hydraulic station by using hydraulic rubber pipes;
5) Installing a manual speed reducer driven by pin teeth and a small hydraulic station in place;
6) Assembling a converter shell and a backing ring, and hoisting the converter shell and the backing ring to a special furnace receiving rack to ensure that the direction of a trunnion and the direction of installation in place form an included angle of about 90 degrees, thereby ensuring that a converter body can smoothly pass through a concrete foundation between bearing seats of the converter;
7) Starting the hydraulic station, pressing a reversing valve switch to enable the hydraulic jack to drive the converter body to slowly rise to a position which is about 50mm above the elevation of the bearing seat, and checking the elongation of the hydraulic jack constantly to ensure consistency;
8) Starting a molten steel car running switch, and slowly running the special furnace receiving rack and the converter body to a position where the converter body is installed in place;
9) And rotating the manual speed reducer, and slowly driving the rotating body to rotate the converter body by about 90 degrees by utilizing pin tooth transmission, wherein the rotating body is just right above the installation in-place position.
10 Pressing a reversing valve switch of the hydraulic station to enable the hydraulic jack to drive the converter body to slowly fall back to the bearing seat, and at the moment, mounting the converter body in place;
11 The switch of the reversing valve of the hydraulic station is continuously pressed, so that the extension length of the hydraulic jack is 0. And starting a running switch of the molten steel car, and transporting the special receiving furnace rack to the outside of the installation position of the converter body.
12 The special furnace receiving rack is protectively disassembled from the molten steel car and sorted for the next converter project to be assembled and used.
Furthermore, in the process of slowly lifting the hydraulic jack in the step 7), the extending length of the hydraulic jack is kept consistent all the time, so that the converter body is prevented from inclining in the lifting process.
Further, in step 9), in order to enable the converter body to rotate to the installation position very stably, the rotating body is driven to rotate by about 90 degrees at the speed as low as possible by pin tooth transmission, so that safety accidents in the rotating process are prevented.
Compared with the prior art, the invention has the beneficial effects that:
1) The adoption standardization customization, the part is replaced at will, the equipment easily, convenient to use, repeatedly usable is favorable to the reduction of erection time, improves the operating efficiency, and the time spent not still can dismantle the storage, reduces the cost of resetting. 2) The device is convenient to disassemble after use, occupies small space after classification and arrangement, is packed and transported to the next project for continuous repeated use, saves materials and is beneficial to environmental protection. 3) The special furnace receiving rack is made of standard materials and manufactured in a machining workshop, the sizes and dimensions of all parts are required to be uniform, and interchangeability is strong. 4) The installation of the environment-friendly modified furnace body of the converter with multiple types can be realized without hanging, the construction efficiency is high, the safety and the stability are high, and the installation method can also be applied to the installation of the furnace body with multiple types without hanging in the installation engineering of a newly-built converter.
Drawings
FIG. 1 is a schematic structural view of a special receiving rack of the embodiment of the invention;
FIG. 2 is a schematic structural diagram of a fixed base, a small hydraulic station, a motor and a speed reducer in the embodiment of the invention;
FIG. 3 is a schematic view of a rotating body according to an embodiment of the present invention;
FIG. 4 is a schematic sectional view of a rotating body according to an embodiment of the present invention;
in the figure: 1-trunnion ring, 2-furnace shell, 3-trunnion, 4-hydraulic jack, 5-hydraulic pipeline, 6-upright post, 7-cross beam, 8-rotating base, 9-high-strength bolt, 10-fixed base, 11-rotating body, 12-small hydraulic station, 13-manual speed reducer, 14-rotating body pin shaft, 15-rotating body upper bottom plate, 16-rotating body pin shaft fixed plate, 17-rotating body lower bottom plate, 18-rotating body bearing limit, and 19-rotating body rolling body.
Detailed Description
Embodiments of the present invention are further described below in conjunction with the following examples and the appended drawings, which illustrate exemplary embodiments of the present disclosure, however, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Fig. 1 is a schematic structural view of an embodiment of the special receiving furnace rack of the invention, which comprises a hydraulic system, a rack body, a rotating system and a base. The hydraulic system comprises 4 large-tonnage hydraulic jacks, a small-sized hydraulic station, a hydraulic rubber tube and the like, wherein the hydraulic jacks are mounted to a column head of a frame body upright column, and the hydraulic station is arranged on the outer side of the base; the frame body is connected by four stand columns (thick-wall seamless steel pipes or profile steels can be used) and the cross beams through high-strength bolts, and the whole frame body is connected with the movable base. The rotating system consists of a motor, a speed reducer and a rotating body. First, a special receiving rack is assembled to the molten steel car. And hoisting the converter body to a special furnace receiving rack. And starting a hydraulic system, and lifting the converter body to the position above the bearing seat. The converter body is transported to the installation site by a molten steel car and rotated by 90 ° by a rotation system. Finally, the hydraulic jack falls back, and the converter body is installed in place;
the special furnace receiving rack is made of Q345 steel, the connecting bolts are high-strength bolts, and the upright columns can be made of seamless steel pipes or H-shaped steel. The hydraulic jacks are electric hydraulic jacks, the tonnage is not less than 150t, the stroke is 200mm, and the four hydraulic jacks are connected to the same reversing valve of the same hydraulic station, so that the jacking and falling actions and the heights are consistent. The base is divided into a fixed base and a movable base. The fixed base is connected with the molten steel vehicle, and the movable base is connected with the upper part of the rotating body. The transmission mode of the speed reducer and the rotating body is pin tooth transmission. The upper part is connected with the movable base, and the lower part is connected with the fixed base. The middle part is provided with a plurality of rolling bodies which roll in the limit positions at the upper part and the lower part of the rotating body. Because the converter body needs to rotate about 90 degrees, the pin tooth structure is manufactured at 120 degrees, and the converter body can rotate about 90 degrees. The sizes of the frame body beam and the base on the special furnace receiving rack can be adjusted and replaced at will according to the diameter of the installed converter body. The upper bottom plate and the lower bottom plate of the special furnace receiving rack except the rotating body need to be manufactured according to different diameters of the converter body, and other parts can be detached and reused.
Fig. 2 is a schematic structural diagram of a fixed base, a small hydraulic station, a motor and a speed reducer in the embodiment of the invention, the speed reducer adopts a manual speed reducer, and the speed reducer and a rotating body are in pin tooth transmission, so that the device can run more stably, safely and reliably in the running process. The fixed base is connected by high-strength bolts, the cross beams can be replaced at will when furnace bodies with different diameters are installed, and the furnace bodies can be placed on the stand columns smoothly.
Fig. 3 is a schematic view of the structure of the rotating body in the embodiment of the invention, and as the special furnace receiving rack only rotates by about 90 degrees in work, the pin teeth are only manufactured by 120 degrees in manufacture. The rotating body pin fixing plate 16 is required to be larger than the rotating body lower bottom plate 17, so that the tail end of the rotating body pin 14 is prevented from being scraped with the rotating body lower bottom plate in the operation process.
Referring to fig. 4, which is a schematic view of a cross-sectional structure of the rotating body of the present invention, during the operation of the rotating body, the position of the rotating body bearing is limited so that the centers of the upper rotating body bottom plate 15 and the lower rotating body bottom plate 17 are always overlapped in the vertical direction, thereby ensuring the safety of the system. The rotating body rolling body 19 can effectively reduce the friction force in the rotating process of the rotating body, so that the rotation is smoother, and the rotating rolling body can be a sphere or a cylinder.
The invention integrates the rotating system and the hydraulic lifting system on a special device and can be freely disassembled. The method is simple to operate, high in construction efficiency, capable of being repeatedly utilized, energy-saving and environment-friendly. The converter body installation method specifically comprises the following steps:
1) And (4) mounting the fixed base on the molten steel car by using a high-strength bolt, and adjusting the distance according to the diameter of the converter body.
2) Manufacturing an upper bottom plate and a lower bottom plate of the rotating body according to the diameter of the converter body, assembling the rolling body (glycerol is preferably coated when the rolling body is installed, so that the smoothness of the rotating process is ensured) and a pin tooth structure, and finally installing the assembled rotating body on a fixed base by using a high-strength bolt;
3) Fixing the movable base on the rotating body by using a high-strength bolt, adjusting the space between the stand columns of the frame body according to the diameter of the converter body, and then selecting a frame body cross beam with a proper size for installation and fixation;
4) Respectively installing and fixing 4 hydraulic jacks at the top ends of the 4 upright posts, installing A, B connecting pipes of the hydraulic jacks, and connecting the connecting pipes to a reversing valve on a small hydraulic station by using hydraulic rubber pipes;
5) Installing a manual speed reducer driven by pin teeth and a small hydraulic station in place;
6) Assembling a converter shell and a backing ring, and hoisting the converter shell and the backing ring to a special furnace receiving rack to ensure that the direction of a trunnion and the direction of installation in place form an included angle of about 90 degrees, thereby ensuring that a converter body can smoothly pass through a concrete foundation between bearing seats of the converter;
7) Starting the hydraulic station, pressing a reversing valve switch to enable the hydraulic jack to drive the converter body to slowly rise to a position which is about 50mm above the elevation of the bearing seat, and checking the elongation of the hydraulic jack constantly to ensure consistency;
8) Starting a molten steel car running switch, and slowly running the special furnace receiving rack and the converter body to a position where the converter body is installed in place;
9) And rotating the manual speed reducer, and slowly driving the rotating body to rotate the converter body by about 90 degrees by utilizing pin tooth transmission, wherein the rotating body is just right above the installation in-place position.
10 Pressing a reversing valve switch of the hydraulic station to enable the hydraulic jack to drive the converter body to slowly fall back to the bearing seat, and at the moment, mounting the converter body in place;
11 The switch of the reversing valve of the hydraulic station is continuously pressed, so that the extension length of the hydraulic jack is 0. And starting a molten steel car running switch, and transporting the special receiving furnace rack to the outside of the installation position of the converter body.
12 The special furnace receiving rack is protectively disassembled from the molten steel car and sorted for the next converter project to be assembled and used.
In the step 7), the extension length of the hydraulic jack is kept consistent all the time in the process of slowly rising, so that the converter body is prevented from inclining in the rising process.
In the step 9), in order to enable the converter body to rotate to the installation position very stably, the rotating body is driven to rotate by about 90 degrees at the speed as low as possible by pin tooth transmission, so that safety accidents in the rotating process are prevented.
The above embodiments are merely specific examples selected for illustrating the objects, technical solutions and advantages of the present invention in detail, and should not be construed as limiting the scope of the present invention, and various modifications, equivalent substitutions and improvements can be made without departing from the spirit and principle of the present invention.
Claims (10)
1. The rotary assembly type converter environment-friendly transformation device and the use method are characterized in that in the converter environment-friendly transformation project, because the distance between concrete foundations between two bearing blocks of an original converter is too small, the installation actions of hydraulic jacking, rotation and falling of a converter body are realized by adopting a special furnace receiving rack; the special receiving furnace rack consists of a hydraulic system, a rack body, a rotating system and a base; the hydraulic system comprises 4 large-tonnage hydraulic jacks, a small-sized hydraulic station, a hydraulic rubber tube and the like, wherein the hydraulic jacks are mounted to a column head of a frame body upright column, and the hydraulic station is arranged on the outer side of the base; the frame body is formed by connecting four upright posts (thick-wall seamless steel pipes or profile steels can be used) and cross beams by high-strength bolts, the whole frame body is connected with a movable base, and a rotating system consists of a manual speed reducer and a rotating body; firstly, assembling a special furnace receiving rack on a molten steel car, hoisting a converter body to the special furnace receiving rack, starting a hydraulic system, lifting the converter body to the position above a bearing seat, transporting the converter body to an installation place by using the molten steel car, rotating the converter body by 90 degrees by using a rotating system, and finally, falling back by using a hydraulic jack to install the converter body in place.
2. The environment-friendly transformation device and the use method of the rotary assembled converter according to claim 1, wherein the special receiving furnace rack is made of Q345 steel, the connecting bolts are high-strength bolts, and the vertical columns are seamless steel pipes or H-shaped steel.
3. The environment-friendly transformation device for the rotary fabricated converter and the use method of the environment-friendly transformation device for the rotary fabricated converter according to claim 1, wherein the hydraulic jacks are electric hydraulic jacks, the tonnage is not less than 150t, the stroke is 200mm, and the four hydraulic jacks are connected to the same reversing valve of the same hydraulic station, so that the jacking action and the falling action are ensured to be consistent in height.
4. The environment-friendly transformation device for the rotary fabricated converter and the use method thereof as claimed in claim 1, wherein the base is divided into a fixed base and a movable base, the fixed base is connected with the molten steel car, and the movable base is connected with the upper part of the rotary body.
5. The environment-friendly transformation device and the use method of the rotary fabricated converter according to claim 1, wherein the transmission mode of the speed reducer and the rotating body is pin tooth transmission, the upper part of the speed reducer is connected with the movable base, the lower part of the speed reducer is connected with the fixed base, a plurality of rolling bodies roll in the limiting positions of the upper part and the lower part of the rotating body, and the pin tooth structure is manufactured according to 120 degrees because the converter body needs to rotate by about 90 degrees, so that the converter body can rotate by about 90 degrees.
6. The environment-friendly transformation device for the rotary assembled converter and the use method thereof according to claim 1, wherein the size of the beam and the base of the special upper frame of the furnace receiving rack can be adjusted and replaced arbitrarily according to the diameter of the converter body of the installed converter.
7. The environment-friendly transformation device for the rotary fabricated converter and the use method thereof according to claim 1, wherein the upper and lower bottom plates of the special furnace receiving rack except the rotary body are manufactured according to different diameters of the converter body, and all other parts can be disassembled and reused.
8. The environment-friendly transformation device for the rotary fabricated converter and the use method thereof according to claim 1 are characterized in that the converter body is installed by the following steps:
1) Mounting the fixed base on a molten steel car by using a high-strength bolt, and adjusting the distance according to the diameter of the converter body;
2) Manufacturing an upper bottom plate and a lower bottom plate of the rotating body according to the diameter of the converter body, assembling the rolling body (glycerol is preferably coated when the rolling body is installed, so that the smoothness of the rotating process is ensured) and a pin tooth structure, and finally installing the assembled rotating body on a fixed base by using a high-strength bolt;
3) Fixing the movable base on the rotating body by using a high-strength bolt, adjusting the space between the stand columns of the frame body according to the diameter of the converter body, and then selecting a frame body beam with a proper size for installation and fixation;
4) Respectively installing and fixing 4 hydraulic jacks at the top ends of the 4 upright posts, installing A, B connecting pipes of the hydraulic jacks, and connecting the connecting pipes to reversing valves on a hydraulic station by using hydraulic rubber pipes;
5) Installing a manual speed reducer and a hydraulic station which are driven by pin teeth in place;
6) Assembling a converter shell and a backing ring, and hoisting the converter shell and the backing ring to a special furnace receiving rack to ensure that the direction of a trunnion and the direction of installation in place form an included angle of about 90 degrees, thereby ensuring that a converter body can smoothly pass through a concrete foundation between bearing seats of the converter;
7) Starting the hydraulic station, pressing a reversing valve switch to enable the hydraulic jack to drive the converter body to slowly rise to a position which is about 50mm above the elevation of the bearing seat, and checking the elongation of the hydraulic jack constantly to ensure consistency;
8) Starting a molten steel car running switch, and slowly running the special furnace receiving rack and the converter body to a position where the converter body is installed in place;
9) Rotating the manual speed reducer, and slowly driving the rotating body to rotate the converter body by about 90 degrees by utilizing pin tooth transmission, wherein the rotating body is just right above the installation in-place position;
10 Pressing a reversing valve switch of the hydraulic station to enable the hydraulic jack to drive the converter body to slowly fall back to the bearing seat, and at the moment, mounting the converter body in place;
11 Continuously pressing a reversing valve switch of the hydraulic station to enable the extension length of the hydraulic jack to be 0, starting a molten steel car running switch, and transporting the special receiving furnace rack to the outside of the installation position of the converter body;
12 The special furnace receiving rack is protectively disassembled from the molten steel car and sorted for the next converter project to be assembled and used.
9. The environmentally friendly revolving assembly type converter reconstruction device and the use method thereof according to claim 8, wherein in the step 7), the extension length of the hydraulic jack is kept consistent all the time during the slow ascending process, so as to prevent the converter body from inclining during the ascending process.
10. The environment-friendly transformation device and the use method of the rotary fabricated converter according to claim 8, wherein in step 9), in order to enable the converter body to rotate to the installation position very stably, the rotary body is driven to rotate by about 90 degrees at a speed as slow as possible by using a manual speed reducer and pin gear transmission, so that safety accidents in the rotating process are prevented.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211472645.6A CN115747413A (en) | 2022-11-23 | 2022-11-23 | Rotary assembly type converter environment-friendly transformation device and use method |
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| CN202211472645.6A CN115747413A (en) | 2022-11-23 | 2022-11-23 | Rotary assembly type converter environment-friendly transformation device and use method |
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| CN115747413A true CN115747413A (en) | 2023-03-07 |
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| CN102094106A (en) * | 2011-03-21 | 2011-06-15 | 中国十九冶集团有限公司南京分公司 | Quick installation method for large four-point suspended type converter |
| CN203462075U (en) * | 2013-08-15 | 2014-03-05 | 中国三冶集团有限公司机械安装工程公司 | Furnace-supporting platform frame of converter |
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| JP2017160480A (en) * | 2016-03-09 | 2017-09-14 | Ｊｆｅプラントエンジ株式会社 | Exchange method of converter body |
| CN111975310A (en) * | 2020-07-02 | 2020-11-24 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for replacing trunnion bearing at transmission side under abnormal condition of steel converter |
| CN217026009U (en) * | 2022-04-18 | 2022-07-22 | 中国二十二冶集团有限公司 | Converter integral pushing device |
| CN115198051A (en) * | 2022-06-29 | 2022-10-18 | 五冶集团上海有限公司 | Method for installing steelmaking converter body |
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2022
- 2022-11-23 CN CN202211472645.6A patent/CN115747413A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094106A (en) * | 2011-03-21 | 2011-06-15 | 中国十九冶集团有限公司南京分公司 | Quick installation method for large four-point suspended type converter |
| CN203462075U (en) * | 2013-08-15 | 2014-03-05 | 中国三冶集团有限公司机械安装工程公司 | Furnace-supporting platform frame of converter |
| CN204148500U (en) * | 2014-09-01 | 2015-02-11 | 中国三冶集团有限公司 | A kind of walk by table frame |
| JP2017160480A (en) * | 2016-03-09 | 2017-09-14 | Ｊｆｅプラントエンジ株式会社 | Exchange method of converter body |
| CN111975310A (en) * | 2020-07-02 | 2020-11-24 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Method for replacing trunnion bearing at transmission side under abnormal condition of steel converter |
| CN217026009U (en) * | 2022-04-18 | 2022-07-22 | 中国二十二冶集团有限公司 | Converter integral pushing device |
| CN115198051A (en) * | 2022-06-29 | 2022-10-18 | 五冶集团上海有限公司 | Method for installing steelmaking converter body |
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