CN116536475A - Modularized installation method of large converter - Google Patents

Modularized installation method of large converter Download PDF

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Publication number
CN116536475A
CN116536475A CN202310497584.7A CN202310497584A CN116536475A CN 116536475 A CN116536475 A CN 116536475A CN 202310497584 A CN202310497584 A CN 202310497584A CN 116536475 A CN116536475 A CN 116536475A
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CN
China
Prior art keywords
converter
module
platform
sliding
jacking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310497584.7A
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Chinese (zh)
Inventor
刘长富
李耀中
张国立
王宏
张世宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Third Metallurgical Group Co Ltd
Original Assignee
China Third Metallurgical Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Third Metallurgical Group Co Ltd filed Critical China Third Metallurgical Group Co Ltd
Priority to CN202310497584.7A priority Critical patent/CN116536475A/en
Publication of CN116536475A publication Critical patent/CN116536475A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention relates to a modularized installation method of a large-scale converter, which comprises the steps of arranging a converter assembly platform composed of a hydraulic module vehicle, a jacking device I, a sliding beam and a sliding device I, and conveying a converter module to one side of the converter platform by the converter assembly platform; and transporting the converter cone to the position right below the converter target installation position, sliding the converter module to the position right above the converter target installation position, forming a converter whole after assembly welding, and installing the converter in place after the converter whole descends. The invention completes the module assembly of the large-scale converter outside a workshop, the preassembly degree of the converter is higher (comprising the assembly of the converter body, the tilting device and the like), the installation workload of the online assembly is greatly reduced, the construction difficulty is reduced, and the construction safety is improved; the assembled converter module is in an inverted state, and then is installed in place after being lifted, slipped and lowered, so that the construction precision is high and the stability is good.

Description

Modularized installation method of large converter
Technical Field
The invention relates to the technical field of installation and construction of large converters, in particular to a modularized installation method of a large converter.
Background
The large converter body is generally installed by adopting a special rack transfer method, and as disclosed in China patent application with the application publication number of CN108676960A, an ultra-large steelmaking converter modularization method installation method is disclosed, a converter ladle car rail is checked and checked, a ladle car I and a ladle car II are connected by adopting a converter combination method, and a ladle car connecting device is assembled; after the steel converter is assembled in a modularized mode, the refining span is hung on the ladle trolley assembly through the traction device and the pulley group, and the ladle trolley assembly is slowly pulled to achieve the purpose that the converter integrally moves to be in position.
When the method is adopted, the furnace receiving bench is generally arranged on two parallel buggy ladles, so that the converter assembly position is also above the buggy ladle track, and the high-altitude hoisting operation is more and the risk is higher because the assembly site is limited.
Disclosure of Invention
The invention provides a modularized installation method of a large-scale converter, which is used for completing the module assembly of the large-scale converter outside a workshop, has higher preassembly degree of the converter (comprising the assembly of a converter body, a tilting device and the like), greatly reduces the installation workload of on-line assembly, reduces the construction difficulty and improves the construction safety; the assembled converter module is in an inverted state, and then is installed in place after being lifted, slipped and lowered, so that the construction precision is high and the stability is good.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a modular installation method of a large converter comprises the following steps:
1) A converter assembly platform is arranged at a place except for a target installation position of the converter, the converter assembly platform consists of a hydraulic module vehicle, a jacking device I, a sliding beam and a sliding device, and the sliding device is provided with a matched sliding rail I; assembling a main body structure of the converter on the ground, wherein the main body structure comprises a converter supporting ring, a converter bottom, a converter shell middle section and an ear shaft bearing, the assembled main body of the converter is integrally hoisted to a converter assembling platform, a tilting device is arranged to form a converter module, and the assembled converter module is in an inverted state;
2) Starting a jacking device I, jacking the assembled converter module to a set height, and then reinforcing a converter assembly platform;
3) A sliding rail II is arranged on the converter platform, and the center of the sliding rail II is aligned with the center of the target installation position of the converter; the hydraulic module vehicle conveys the converter module to one side of the converter platform; the lifting device I is utilized to adjust the height of the converter module, so that a sliding rail I on the converter assembly platform is in butt joint with a sliding rail II on the converter platform, and the converter module is transferred from the sliding rail I to the sliding rail II through the sliding device;
4) Transporting the converter cone to the position right below the converter target installation position, and sliding the converter module to the position right above the converter target installation position along a sliding rail II through a sliding device;
5) And jacking the converter cone through a jacking device II, assembling and welding the converter cone and the middle section of the furnace shell in the converter module to form a converter whole, and then lowering the converter whole into position by utilizing the jacking device II, so that the installation of the converter is completed.
The hydraulic module vehicles are arranged in 2 groups in parallel, and the two ends of the top of each group of hydraulic module vehicles are respectively provided with 1 group of jacking devices I; a supporting base is arranged between the first jacking device and the vehicle body of the hydraulic module vehicle; each group of support base comprises a plurality of skids and a bottom plate, the plurality of skids are arranged at the top of the vehicle body corresponding to the installation position of the jacking device, the bottom plate is flatly paved on the skids and spans over 2 groups of hydraulic module vehicles, and the jacking device is arranged on the corresponding bottom plate.
The top of the first jacking device is provided with a supporting beam structure; the support beam structure is a groined structure formed by 2 longitudinal support beams and 2 transverse support beams; the longitudinal supporting beams are arranged between the first jacking devices of the 2 groups of the same hydraulic module vehicle, and the transverse supporting beams are arranged between the 2 longitudinal supporting beams; the top of the transverse supporting beam is provided with a sliding beam, and the sliding beam is provided with a sliding rail I.
The reinforcement of the converter assembly platform is completed by using a steel wire rope and a chain block; after the converter module is lifted in place by the lifting device I, two sides of each group of hydraulic module vehicles are respectively provided with a group of X-shaped reinforcing structures consisting of steel wire ropes; in each group of X-shaped reinforcing structures, the upper end of the steel wire rope is connected with a corresponding longitudinal supporting beam, and the lower end of the steel wire rope is connected with a chain block fixed on the body of the hydraulic module vehicle.
Before the converter module is transferred to the converter platform, reinforcing the converter platform by arranging a temporary support, and reserving a hydraulic module vehicle channel when the temporary support is arranged; the temporary supports are multiple groups, and each group of temporary supports consists of a supporting upright post, an upright post diagonal bracing and an upright post base; the upright post base is arranged on the indoor terrace, the supporting upright post is arranged on the upright post base, and the upright post diagonal bracing is arranged between the upright post base and the supporting upright post; at least 1 group of temporary supports are arranged on one side of the hydraulic module vehicle track far away from the converter platform.
The converter cone is transported by a ladle car, 4 groups of jacking devices II are arranged on the ladle car, and the converter cone is arranged on the 4 groups of jacking devices II.
The sliding device is a hydraulic sliding device.
Compared with the prior art, the invention has the beneficial effects that:
1) The modularized installation method of the large converter can realize off-line assembly of the converter outside a workshop, and adopts equipment such as a module transport vehicle, a jacking device and the like to realize the transportation of the assembled converter module, and compared with the traditional mode of adopting hoisting operation in workshop assembly, the modularized installation method of the large converter has higher safety and reliability;
2) The modular installation method is adopted, the module assembly of the large converter is completed outside a workshop, the normal production is not influenced during the converter assembly, the old converter is only required to be removed during the production stopping period of the converter during the installation, and the assembled converter module is lifted and transported to the height of a converter platform and then is slipped to a target installation position, so that the production stopping and reconstruction period of the converter can be greatly shortened;
3) The modularized installation method of the large converter has higher preassembly degree of the converter, can complete the assembly of the converter body, the tilting device and other parts, greatly reduces the installation workload of the online assembly of the converter, reduces the construction difficulty and improves the construction safety;
4) The lifting device and the sliding device are adopted to finish the transportation and the installation of the converter module, so that the construction precision is high, the stability is good, and the technical problems of high installation and positioning difficulty and complicated position adjustment of a large-scale converter are solved;
5) The invention solves the problem that most converter transformation projects are influenced by a front platform, realizes reasonable division of converter modules, solves the problem that the installation space is limited, and solves the problem that the hoisting risk of the large-scale converter is high.
Drawings
Fig. 1 is a schematic view of a converter module according to the present invention placed on a converter assembly platform.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic view of the lifting of the converter module according to the invention.
Fig. 4 is a side view of fig. 3.
Fig. 5 is a schematic diagram of the slip of the converter module according to the invention.
Fig. 6 is a schematic diagram of a converter module and a converter cone assembly according to the present invention.
Reference numerals illustrate:
in the figure: 100. hydraulic module car 210, skid 220, floor 300, jacking device one 410, longitudinal support beam 420, transverse support beam 510, slip beam 520, slip rail one 530, slip device 600, converter module 610, converter trunnion ring 620, converter bottom 630, furnace shell middle section 640, trunnion bearing 641, non-drive side trunnion bearing 642, drive side trunnion bearing 650, tilting device 660, converter cone 710, support column 720, column base 730, column diagonal support 800, converter platform 810, slip rail two 910, ladle car 920, jacking device two
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1 to 6, the modular installation method of the large converter comprises the following steps:
1) A converter assembly platform is arranged at a place except for a target installation position of the converter, as shown in fig. 1 and 2, the converter assembly platform consists of a hydraulic module car 100, a jacking device I300, a sliding beam 510 and a sliding device 530, and the sliding device 530 is provided with a matched sliding rail I520; assembling a main body structure of the converter on the ground, wherein the main body structure comprises a converter supporting ring 610, a converter bottom 620, a converter shell middle section 630 and a lug shaft bearing 640, the assembled main body of the converter is integrally hoisted to a converter assembling platform, a tilting device 650 is arranged to form a converter module 600, and the assembled converter module 600 is in an inverted state;
2) As shown in fig. 3 and 4, the first lifting device 300 is started to lift the assembled converter module 600 to a set height, and then the converter assembly platform is reinforced;
3) As shown in fig. 5 and 6, a second sliding rail 810 is arranged on the converter platform 800, and the center of the second sliding rail 810 is aligned with the center of the target installation position of the converter; the hydraulic module car 100 transports the converter module 600 to one side of the converter platform 800; the first jacking device 300 is utilized to adjust the height of the converter module 600, so that a first sliding rail 520 on the converter assembly platform is in butt joint with a second sliding rail 810 on the converter platform 800, and the converter module 600 is transferred onto the second sliding rail 810 from the first sliding rail 520 through the sliding device 530;
4) Transporting the converter cone 660 to the position right below the converter target installation position, and sliding the converter module 600 to the position right above the converter target installation position along the sliding rail II 810 through the sliding device 530;
5) And the converter cone 660 is jacked by the jacking device II 920, the converter cone 660 and the middle section 630 of the converter shell in the converter module are assembled and welded to form a converter whole, and then the converter whole is lowered into position by the jacking device II 920, so that the converter installation is completed.
The hydraulic module vehicles 100 are arranged in 2 groups in parallel, and two ends of the top of each group of hydraulic module vehicles 100 are respectively provided with 1 group of jacking devices 300; a supporting base is arranged between the first jacking device 300 and the vehicle body of the hydraulic module vehicle 100; each group of support bases comprises a plurality of skids 210 and a bottom plate 220, a plurality of skids 210 are arranged at the top of the vehicle body corresponding to the installation position of the first jacking device 300 of the hydraulic module vehicle 100, the bottom plate 220 is flatly paved on the skids 210 and spans over 2 groups of hydraulic module vehicles 100, and the first jacking device 300 is arranged on the corresponding bottom plate 220.
A supporting beam structure is arranged at the top of the first jacking device 300; the support beam structure is a groined structure formed by 2 longitudinal support beams 410 and 2 transverse support beams 420; the longitudinal support beams 410 are arranged between the 2 groups of jacking devices 300 of the same hydraulic module car 100, and the transverse support beams 420 are arranged between the 2 longitudinal support beams 410; the top of the transverse supporting beam 420 is provided with a sliding beam 510, and the sliding beam 510 is provided with a sliding rail I520.
The reinforcement of the converter assembly platform is completed by using a steel wire rope and a chain block; after the converter module 600 is lifted in place by the first lifting device 300, two sides of each group of hydraulic module vehicles 100 are respectively provided with a group of X-shaped reinforcing structures consisting of steel wire ropes; the X-shaped reinforcing structures are 4 groups in total, in each group of X-shaped reinforcing structures, the upper ends of the steel wire ropes are connected with the corresponding longitudinal supporting beams 410, and the lower ends of the steel wire ropes are connected with a chain block fixed on the body of the hydraulic module car 100.
Before the converter module 600 is transferred to the converter platform 800, reinforcing the converter platform 800 by arranging a temporary support, and reserving a hydraulic module car channel when the temporary support is arranged; the temporary supports are multiple groups, and each group of temporary supports consists of a supporting upright post 710, an upright post diagonal brace 730 and an upright post base 720; the upright post base 720 is arranged on the indoor terrace, the supporting upright post 710 is arranged on the upright post base 720, and the upright post diagonal brace 730 is arranged between the upright post base 720 and the supporting upright post 710; at least 1 set of temporary supports are provided on the side of the hydraulic module car track remote from the converter platform 800.
The converter cone 660 is transported by a ladle car 910, 4 groups of jacking devices II 920 are arranged on the ladle car 910, and the converter cone 660 is arranged on the 4 groups of jacking devices II 920.
The slip device 530 is a hydraulic slip device.
The invention relates to a modularized installation method of a large converter, which comprises the following principles and processes: firstly assembling a converter assembly platform, wherein the converter assembly platform consists of a hydraulic module car 100, a support base, a jacking device I300, a support beam structure, a sliding device 530 and the like, and assembling a converter main body on the ground on one side of the converter assembly platform, namely finishing the installation of components such as a converter support ring 610, a converter bottom 620, a converter shell middle section 630, a trunnion bearing 640 (comprising a non-driving side trunnion bearing 641 and a driving side trunnion bearing 642) and the like, hoisting the converter main body on the converter assembly platform, and installing a tilting device 650 to form a converter module 600; lifting the assembled converter module 600 to a set height, transporting the converter module 600 to one side of the converter platform 800 by utilizing the hydraulic module vehicle 100, butting a sliding rail I520 on the converter assembly platform with a sliding rail II 810 on the converter platform 800, and transferring the converter module 600 to the sliding rail II 810 of the converter platform 800; transporting the converter cone 660 to the position right below the converter target installation position, and sliding the converter module 600 to the position right above the converter target installation position along the direction of the central line of the converter; jacking the converter cone 660, performing assembly welding on the converter cone 660 and a converter shell, and lowering the welded converter into position by utilizing a jacking device II 920 to finish the integral installation of the converter; the entire converter in the upside-down state after installation is turned to a state to be produced by the tilting device 650.
The converter assembly platform is arranged at a preassembled site outside the converter production line, the converter assembly platform is designed according to the size of the converter, and the converter assembly platform of the large-scale converter is formed by rigidly splicing 2 groups of hydraulic module vehicles 100. The hydraulic module car 100 is provided with a skid 210 and a bottom plate 220 on the car body, a heavy jacking device I300 is arranged on the bottom plate 220, and a supporting beam structure is arranged on the jacking device I300 and used for supporting the converter module 600; the converter body including the converter trunnion ring 610, the converter bottom 620, the furnace shell middle section 630, and the trunnion bearing 640 may be assembled on the ground, integrally hoisted to the converter assembly platform after the assembly is completed, and then the tilting device 650 is installed to form the converter module 600. The converter module 600 on the converter assembly platform is in an inverted state.
The jacking devices 300 are symmetrically arranged in four groups and are used for supporting the converter module 600 and adjusting the installation elevation and levelness of the converter; after the first jacking device 300 is started to jack the converter module 600 to the set height, the steel wire rope and the chain block are utilized to reinforce the converter assembly platform, so that the converter module 600 is ready for transportation. After the converter assembly platform is reinforced, a first sliding rail 520 is paved, the converter module 600 is transported to the side of the converter platform 800 through the hydraulic module vehicle 100, the elevation of the converter module 600 is adjusted to enable the first sliding rail 520 to be in butt joint with a second sliding rail 810 on the converter platform 800, and then the converter module 600 is moved to the first sliding rail 520.
After the preparation work before the installation of the converter module 600 is completed, the converter cone 660 is transported to the position right below the converter target installation position, and then the converter module 600 is slipped to the position right above the converter target installation position along the direction of the central line of the converter; and lifting the converter cone 660 through the second lifting device 920, assembling and welding the converter cone 660 with the converter shell, and lowering the welded converter in place through the second lifting device 920 to complete the integral installation of the converter.
Before the converter module 600 is transported to the converter platform 800, the converter platform 800 needs to be reinforced first, and the temporary support is provided to improve the bearing capacity of the converter platform 800. During reinforcement, a supporting upright post 710 is arranged below the converter platform 800, an upright post base 720 at the bottom of the supporting upright post 710 is arranged on an indoor terrace, and an upright post diagonal brace 730 is further arranged between the supporting upright post 710 and the upright post base 720. When the support upright 710 is set, a converter transportation channel is reserved, and the hydraulic module car 100 transports the converter module 600 to one side of the converter target installation position through the converter transportation channel and abuts against the converter platform 800. The first jacking device 300 is started, the converter module 600 is lowered and is slid onto the second sliding rail 810, and at this time, the converter module 600 is supported by the converter platform 800 and the temporary support together.
When the converter cone 660 is hoisted, a ladle car 910 is used for transportation, 4 groups of jacking devices II 920 are arranged on the ladle car 910, the ladle car 910 is used for transporting the converter cone 660 to the position right below a converter target installation position, the converter module 600 horizontally slides to the position right above the converter target installation position, and the center of the converter module 600 is vertically aligned with the center of the converter cone 660.
And starting the pushing device II 920 to lift the converter cone 660, performing assembly welding on the converter cone 660 and the converter shell, dismantling the sliding rail 810 after the welding is qualified, and returning the pushing device II 920 to the position when the whole converter descends to complete the installation of the converter.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (7)

1. The modularized installation method of the large converter is characterized by comprising the following steps of:
1) A converter assembly platform is arranged at a place except for a target installation position of the converter, the converter assembly platform consists of a hydraulic module vehicle, a jacking device I, a sliding beam and a sliding device, and the sliding device is provided with a matched sliding rail I; assembling a main body structure of the converter on the ground, wherein the main body structure comprises a converter supporting ring, a converter bottom, a converter shell middle section and an ear shaft bearing, the assembled main body of the converter is integrally hoisted to a converter assembling platform, a tilting device is arranged to form a converter module, and the assembled converter module is in an inverted state;
2) Starting a jacking device I, jacking the assembled converter module to a set height, and then reinforcing a converter assembly platform;
3) A sliding rail II is arranged on the converter platform, and the center of the sliding rail II is aligned with the center of the target installation position of the converter; the hydraulic module vehicle conveys the converter module to one side of the converter platform; the lifting device I is utilized to adjust the height of the converter module, so that a sliding rail I on the converter assembly platform is in butt joint with a sliding rail II on the converter platform, and the converter module is transferred from the sliding rail I to the sliding rail II through the sliding device;
4) Transporting the converter cone to the position right below the converter target installation position, and sliding the converter module to the position right above the converter target installation position along a sliding rail II through a sliding device;
5) And jacking the converter cone through a jacking device II, assembling and welding the converter cone and the middle section of the furnace shell in the converter module to form a converter whole, and then lowering the converter whole into position by utilizing the jacking device II, so that the installation of the converter is completed.
2. The modular installation method of the large converter according to claim 1, wherein the hydraulic module vehicles are arranged in 2 groups in parallel, and two ends of the top of each group of hydraulic module vehicles are respectively provided with 1 group of jacking devices I; a supporting base is arranged between the first jacking device and the vehicle body of the hydraulic module vehicle; each group of support base comprises a plurality of skids and a bottom plate, the plurality of skids are arranged at the top of the vehicle body corresponding to the installation position of the jacking device, the bottom plate is flatly paved on the skids and spans over 2 groups of hydraulic module vehicles, and the jacking device is arranged on the corresponding bottom plate.
3. The modular installation method of a large-scale converter according to claim 1, wherein a supporting beam structure is arranged at the top of the first jacking device; the support beam structure is a groined structure formed by 2 longitudinal support beams and 2 transverse support beams; the longitudinal supporting beams are arranged between the first jacking devices of the 2 groups of the same hydraulic module vehicle, and the transverse supporting beams are arranged between the 2 longitudinal supporting beams; the top of the transverse supporting beam is provided with a sliding beam, and the sliding beam is provided with a sliding rail I.
4. The modular installation method of a large converter according to claim 1, wherein the reinforcement of the converter assembly platform is accomplished using steel wire ropes and chain links; after the converter module is lifted in place by the lifting device I, two sides of each group of hydraulic module vehicles are respectively provided with a group of X-shaped reinforcing structures consisting of steel wire ropes; in each group of X-shaped reinforcing structures, the upper end of the steel wire rope is connected with a corresponding longitudinal supporting beam, and the lower end of the steel wire rope is connected with a chain block fixed on the body of the hydraulic module vehicle.
5. The modular installation method of a large converter according to claim 1, wherein before the converter modules are transferred to the converter platform, temporary supports are arranged to reinforce the converter platform, and hydraulic module car channels are reserved when the temporary supports are arranged; the temporary supports are multiple groups, and each group of temporary supports consists of a supporting upright post, an upright post diagonal bracing and an upright post base; the upright post base is arranged on the indoor terrace, the supporting upright post is arranged on the upright post base, and the upright post diagonal bracing is arranged between the upright post base and the supporting upright post; at least 1 group of temporary supports are arranged on one side of the hydraulic module vehicle track far away from the converter platform.
6. The modular installation method of a large converter according to claim 1, wherein the converter cone is transported by a ladle car, 4 groups of jacking devices II are arranged on the ladle car, and the converter cone is arranged on the 4 groups of jacking devices II.
7. The modular installation method of a large converter of claim 1, wherein the slip device is a hydraulic slip device.
CN202310497584.7A 2023-05-05 2023-05-05 Modularized installation method of large converter Pending CN116536475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310497584.7A CN116536475A (en) 2023-05-05 2023-05-05 Modularized installation method of large converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310497584.7A CN116536475A (en) 2023-05-05 2023-05-05 Modularized installation method of large converter

Publications (1)

Publication Number Publication Date
CN116536475A true CN116536475A (en) 2023-08-04

Family

ID=87446494

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310497584.7A Pending CN116536475A (en) 2023-05-05 2023-05-05 Modularized installation method of large converter

Country Status (1)

Country Link
CN (1) CN116536475A (en)

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