CN115367616A - Furnace shell hoisting device for blast furnace overhaul and installation and use method thereof - Google Patents
Furnace shell hoisting device for blast furnace overhaul and installation and use method thereof Download PDFInfo
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- CN115367616A CN115367616A CN202211199163.8A CN202211199163A CN115367616A CN 115367616 A CN115367616 A CN 115367616A CN 202211199163 A CN202211199163 A CN 202211199163A CN 115367616 A CN115367616 A CN 115367616A
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- blast furnace
- furnace
- furnace shell
- support frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
A furnace shell hoisting device for blast furnace overhaul and an installation and use method thereof relate to the technical field of metallurgical industry production. The spandrel girder sets up in the below of furnace body frame big platform, and the below of spandrel girder is equipped with the track roof beam, and the below of track roof beam is equipped with electric block, and the head and the tail both ends of track roof beam all are provided with the car shelves, and its big platform secondary beam and big platform girder are connected to the spandrel girder, and the spandrel girder is provided with first support frame near blast furnace casting house side, is equipped with the corner brace between first support frame and the big platform of furnace body frame. The beneficial effects of the invention are as follows: hoisting device, simple structure, its spandrel girder and electric block slightly do the modification and can be applicable to the blast furnace overhaul stove outer covering of various furnace capacities and change, two spandrel girders and two track roof beams can be installed before the blast furnace overhaul blowing out prerequisite, have saved a large amount of blast furnace overhaul time limit for a project, and need not set up the platform that slides in addition, can compromise the translation of furnace roof and promote two kinds of functions, can once only hoist the stove outer covering to the mounted position from the casting house.
Description
Technical Field
The invention relates to the technical field of metallurgical industrial production, in particular to a furnace shell hoisting device for blast furnace overhaul and an installation and use method thereof.
Background
The blast furnace is an important place in iron and steel enterprises, and is a core device of the whole iron and steel plant and even the iron and steel enterprises. The blast furnace body mainly comprises a furnace shell, a cooling wall, a furnace lining and other accessories. The first-generation blast furnace needs to be overhauled when the service is due, and the furnace shell, the cooling wall, the furnace lining and the like of the body need to be dismantled and replaced. In general, the main body frame and the furnace top frame cannot be removed in the overhaul of the blast furnace, so that the main body frame and the furnace top frame cannot be directly hoisted by using a traveling crane. Generally, furnace top equipment can be replaced step by step during overhaul of a blast furnace, after the furnace top equipment is removed, a furnace shell can be detached and installed in a segmented mode through a trolley on the furnace top, the method is time-consuming and labor-consuming, the load capacity of the trolley on the furnace top is very limited, the furnace shell needs to be divided into a plurality of pieces to be detached or assembled, and the progress is greatly influenced. In addition, the furnace top crane trolley is positioned in the center of the blast furnace, can not cover the hoisting of all furnace shells, can achieve the effect only by other auxiliary hoisting tools, is a hazard to cost and construction period, and is very dangerous in the whole operation process, and easy to fatigue in manual long-term operation causes misoperation, thereby causing safety accidents.
Through patent retrieval, the related published technology for hoisting the overhaul furnace shell of the blast furnace at present comprises the following steps:
patent application No.: 201821518132.3, which comprises two parallel first supporting beams, two parallel second supporting beams vertically connected between the two first supporting beams, a steel cable type hydraulic hoist arranged on each first supporting beam and each second supporting beam, and the distance between the two first supporting beams and the distance between the two second supporting beams both larger than the outer diameter of the blast furnace. The device can only lift the furnace shell in the vertical direction, and the furnace shell can be lifted in place from a casting house by means of an additional sliding platform, so that time and labor are wasted, and the sliding platform and the lifting device are mounted for a long time, so that the workload of overhaul of the blast furnace is high.
Patent application No.: the invention discloses a method for overhauling an iron-making blast furnace, which comprises the steps of drawing a furnace shell into a frame from a furnace body position through a sliding frame, and installing the furnace shell by using a winch arranged on a furnace top platform, wherein the furnace shell below the sliding frame is hung on the furnace body frame platform from top to bottom, and the furnace shells above the sliding frame are sequentially installed from top to bottom.
Disclosure of Invention
The invention aims to provide a furnace shell hoisting device for blast furnace overhaul and an installation and use method thereof, aiming at the defects and shortcomings in the prior art, the hoisting device has a simple structure, bearing beams and an electric hoist of the hoisting device are slightly modified to be suitable for replacing furnace shells of blast furnace overhaul with various furnace capacities, the two bearing beams and the two track beams can be installed before the blast furnace is shut down in overhaul, a large amount of blast furnace overhaul period is saved, a sliding platform is not required to be additionally arranged, two functions of translation and lifting of the furnace top can be considered, and the furnace shells can be hoisted to the installation position from a casting house at one time.
In order to achieve the purpose, the invention adopts the following technical scheme: the furnace shell hoisting device comprises a bearing beam 1, a track beam 2, a furnace body frame large platform 3, a large platform secondary beam 4, a large platform main beam 5, a first support frame 6, a second support frame 7, a third support frame 8, a corner support 9, a furnace top frame upright post 10, a car bumper 11, a connecting seat 12 and an electric hoist 13, wherein the bearing beam 1 is arranged below the furnace body frame large platform 3, the track beam 2 is arranged below the bearing beam 1, the electric hoist 13 is arranged below the track beam 2, the car bumper 11 is arranged at the head end and the tail end of the track beam 2, the bearing beam 1 is connected with the large platform secondary beam 4 and the large platform main beam 5, the first support frame 6 is arranged on the side close to a blast furnace cast house of the bearing beam 1, the electric hoist 9 is arranged between the first support frame 6 and the furnace body frame large platform 3, the second support frame 7 and the third support frame 8 are respectively arranged at the head end and the tail end of the bearing beam 1, the bearing beam 1 is connected with the third support frame upright post 10 through the second support frame 7 and the third support frame upright post 10, the furnace top frame 12 is arranged between the furnace body frame upright post 1 and the furnace top frame upright post 13.
More specific examples of the present invention include: the bearing beam 1 and the track beam 2 are connected through bolts and welding modes, and the bearing beam 1 is connected to the large platform secondary beam 4 and the large platform main beam 5 through bolts and welding modes.
More specific examples of the present invention include: spandrel girder 1 is equipped with two, and two liang of being parallel to each other, the below of every spandrel girder 1 is provided with two track roof beams 2 that are parallel to each other respectively.
More specific examples of the present invention include: the distance between the bearing beam 1 and the track beam 2 is larger than the outer diameter of the blast furnace shell 17, and the length of the part of the bearing beam 1 and the track beam 2, which exceeds the furnace body frame large platform 3, is larger than half of the diameter of the blast furnace shell 17.
More specific examples of the present invention include: the number of the first support frames 6 is two, the two first support frames 6 are vertically connected with the bearing beam 1, and the first support frames 6 are uniformly arranged on the part of the bearing beam 1, which exceeds the outer side of the furnace body framework large platform 3.
More specific examples of the present invention include: the bearing beam 1 is made of H-shaped steel, bolt holes are formed in the positions, corresponding to the upper flange plate and the lower flange plate, of the H-shaped steel of the bearing beam 1, and the bolt holes in the positions of the upper flange plates are connected with a girder of the large furnace body frame platform 3 through bolts.
More specific examples of the present invention include: the track roof beam 2 is made by the I-steel processing, and 2I-steel lower flange board both sides of track roof beam are carried out the cold work and are cut to process the lower flange board, make width and shape accord with electric block 13's walking requirement, and the corresponding position department of flange board goes up the I-steel of track roof beam 2 opens the bolt hole, the bolt hole of the upper flange board position of track roof beam 2 and the lower flange board bolt hole position of spandrel girder 1 will correspond, are connected spandrel girder 1 and track roof beam 2 through the bolt.
More specific examples of the present invention include: the first support frame 6, the second support frame 7 and the third support frame 8 are all composed of seamless steel tubes, and connecting plates are arranged at the ends of the first support frame 6, the second support frame 7 and the third support frame 8.
More specific examples of the present invention include: a plurality of reinforcing rib plates 14 can be welded on two sides of each bearing beam 1 and the track beam 2.
A furnace shell hoisting device for blast furnace overhaul and an installation and use method thereof are disclosed: blast furnace stove outer covering 17 divide into upper portion and lower part, and its blast furnace stove outer covering 17's outside is provided with furnace body frame 15, is equipped with furnace body frame stand 16 and middle part platform 18 on the furnace body frame 15, during the installation of blast furnace stove outer covering 17, divide into a plurality of areas stove outer covering and get into installation in furnace body frame 15 from the middle part of furnace body frame 15, specifically include following step: according to the weight of each hanging of the blast furnace shell 17, wherein each hanging can be composed of a plurality of blast furnace shells 17, a proper electric hoist 13 is selected, the strength of each bearing beam 1 and each rail beam 2 which need to be arranged is calculated, and the bearing beams 1 and the rail beams 2 which need to be arranged are processed in advance; connecting a bearing beam 1 and a track beam 2 in advance by using bolts before blast furnace overhaul, mounting an electric hoist 13 on the track beam 2 in advance, mounting a bumper 11 on the track beam 2 in advance, and mounting a connecting seat 12 on the bearing beam 1 in advance; mounting the components pre-assembled in the steps below a furnace body frame large platform 3, and sequentially mounting two first support frames 6, a second support frame 7 and a third support frame 8; a furnace shell hoisting device is used for dismantling the part of the middle platform 18 of the furnace body frame, which is close to the hoisting side, so as to form an inlet and outlet channel of the blast furnace shell 17 to be hoisted; binding and connecting the electric hoists 13 of the hoisting device with the blast furnace shell 17 by using a steel wire rope, simultaneously operating the hook heads of the two electric hoists 13 to lift the blast furnace shell 17 to a required mounting height, simultaneously operating the two electric hoists 13 to walk, horizontally moving the blast furnace shell 17 into a blast furnace body frame 15, mounting the lower furnace shell from bottom to top, operating the hook heads of the two electric hoists 13 to descend after the steps are completed, and lowering the blast furnace shell 17 to the required mounting height for mounting and welding; and the upper furnace shell is installed from top to bottom, the upper furnace shell is lifted to the position above the large platform 3 of the furnace body frame by using the original furnace top trolley of the blast furnace after the steps are completed and is temporarily placed, and after the lower furnace shell is completely completed, the upper furnace shell is put down, and the upper furnace shell and the lower furnace shell are butted for installation and welding.
After the technical scheme is adopted, the invention has the beneficial effects that: has the following advantages:
1. the hoisting device has simple structure, and the bearing beam and the electric hoist can be slightly modified to be suitable for replacing the furnace shells of blast furnace overhaul with various furnace capacities.
2. Two spandrel girders and two track girders can be installed before the blast furnace is shut down for overhaul, thereby saving a large amount of blast furnace overhaul period.
3. This hoist device need not set up the platform that slides in addition, can compromise the translation of furnace roof and promote two kinds of functions, can once only hoist the stove outer covering from casting house to mounted position.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic elevational view of the present invention;
fig. 3 is a partially enlarged view of the load beam 1 and the track beam 2 according to the present invention;
fig. 4 is a partial sectional view of the load beam 1 and the track beam 2 according to the present invention;
FIG. 5 is a schematic side view of the hoist of the present invention;
fig. 6 is a schematic front view of the hoist of the present invention.
Description of reference numerals: the furnace body comprises bearing beams 1, track beams 2, a furnace body frame large platform 3, a large platform secondary beam 4, a large platform main beam 5, a first support frame 6, a second support frame 7, a third support frame 8, a corner support 9, a furnace top frame upright post 10, a car stop 11, a connecting seat 12, an electric hoist 13, a reinforcing rib plate 14, a furnace body frame 15, a furnace body frame upright post 16, a blast furnace shell 17 and a furnace body frame middle platform 18.
Detailed Description
Referring to fig. 1 to 6, the technical solution adopted by the present embodiment is: the furnace body frame comprises a bearing beam 1, a track beam 2, a furnace body frame large platform 3, a large platform secondary beam 4, a large platform main beam 5, a first support frame 6, a second support frame 7, a third support frame 8, a corner support 9, a furnace top frame upright post 10, a vehicle bumper 11, a connecting seat 12 and an electric hoist 13, wherein the bearing beam 1 is arranged below the furnace body frame large platform 3, the track beam 2 is arranged below the bearing beam 1, the electric hoist 13 is arranged below the track beam 2, and a blast furnace shell 17 is arranged below the electric hoist 13;
more specifically, the front end and the rear end of the track beam 2 are both provided with the vehicle stops 11, and the purpose of the vehicle stops 11 is to prevent the electric block 13 from sliding off from the two ends of the track beam 2 when the blast furnace shell 17 hoisting device is used.
More specifically, the bearing beam 1 is connected with the large platform secondary beam 4 and the large platform main beam 5, the first support frame 6 is arranged on the bearing beam 1 close to the blast furnace cast house side, the angle brace 9 is arranged between the first support frame 6 and the furnace body frame large platform 3, and the first support frame 6 and the angle brace 9 are arranged to enable the two first support frames 6 to form a whole, so that the stability during hoisting is improved.
More specifically, the head end and the tail end of the bearing beam 1 are respectively provided with a second support frame 7 and a third support frame 8, the bearing beam 1 is connected with a furnace top frame upright post 10 through the second support frame 7 and the third support frame 8, the second support frame 7 and the third support frame 8 are arranged to enable the bearing beam 1 and the furnace top frame upright post 10 to form a whole, and the blast furnace shell can be hoisted with better stability.
More specifically, the connecting seat 12 is disposed between the bearing beam 1 and the large platform secondary beam 4. The purpose of setting up connecting seat 12 is: there is certain clearance space between spandrel girder 1 and big platform secondary beam 4, needs to connect spandrel girder 1 and big platform secondary beam 4 with connecting seat 12. When the hoisting device is used, when the blast furnace shell 17 to be hoisted is translated into the furnace body frame 15, part of load borne by the track beam 2 and the bearing beam 1 is transferred to the large platform secondary beam 4 of the furnace body frame through the connecting seats 12.
More specifically, the bearing beam 1 and the track beam 2 are connected by bolts and welding, and the bearing beam 1 is connected to the large platform secondary beam 4 and the large platform main beam 5 by bolts and welding. Adopt bolt and welding mode two kinds of modes to carry out fixed connection, not only guarantee that its fixity is better, and when installing, make things convenient for the staff to operate the installation more.
More specifically, the two bearing beams 1 are parallel to each other, and two parallel track beams 2 are respectively arranged below each bearing beam 1.
More specifically, the distance between the bearing beam 1 and the rail beam 2 should be greater than the outer diameter of the blast furnace shell 17, and the length of the part of the bearing beam 1 and the rail beam 2, which exceeds the furnace body frame large platform 3, should be greater than half of the diameter of the blast furnace shell 17. Ensuring enough space for lifting and translating when the hoisting device is used for hoisting the blast furnace shell 17.
More specifically, two first support frames 6 are arranged, the two first support frames 6 are vertically connected with the bearing beam 1, and the first support frames 6 are uniformly arranged on the part of the bearing beam 1, which exceeds the outer surface of the furnace body frame large platform 3.
More specifically, the bearing beam 1 is made of H-shaped steel, the bearing beam 1 is provided with bolt holes at corresponding positions of the upper and lower flange plates, and the bolt holes at the position of the upper flange plate are connected with a girder of the furnace body frame large platform 3 by bolts.
More specifically, the track beam 2 is formed by processing and manufacturing i-steel, two sides of a lower flange plate of the i-steel of the track beam 2 are subjected to cold work cutting, and the lower flange plate is processed, so that the width and the shape meet the traveling requirements of the electric hoist 13, bolt holes are formed in the corresponding positions of an upper flange plate of the i-steel of the track beam 2, bolt holes in the positions of the upper flange plate of the track beam 2 correspond to bolt holes in a lower flange plate of the bearing beam 1, and the bearing beam 1 is connected with the track beam 2 through bolts.
More specifically, the first support frame 6, the second support frame 7 and the third support frame 8 are all made of seamless steel tubes, and the ends of the first support frame 6, the second support frame 7 and the third support frame 8 are all provided with connecting plates.
More specifically, a plurality of reinforcing rib plates 14 can be welded on two sides of each bearing beam 1 and the track beam 2. The stability of the hoisting device of the blast furnace shell 17 can be further ensured.
A furnace shell hoisting device for blast furnace overhaul and an installation and use method thereof are disclosed: blast furnace stove outer covering 17 divide into upper portion and lower part, and its blast furnace stove outer covering 17's outside is provided with furnace body frame 15, is equipped with furnace body frame stand 16 and middle part platform 18 on the furnace body frame 15, during the installation of blast furnace stove outer covering 17, divide into a plurality of areas stove outer covering and get into installation in furnace body frame 15 from the middle part of furnace body frame 15, specifically include following step: according to the weight of each hanging blast furnace shell 17, wherein each hanging can be composed of multiple blast furnace shells 17, selecting a proper electric hoist 13, calculating the strength of each bearing beam 1 and rail beam 2 required to be arranged, and processing and installing the bearing beam 1 and rail beam 2 in advance; connecting a bearing beam 1 and a track beam 2 by using bolts in advance before blast furnace overhaul, mounting an electric hoist 13 on the track beam 2 in advance, mounting a bumper 11 on the track beam 2 in advance, and mounting a connecting seat 12 on the bearing beam 1 in advance; mounting the components which are pre-assembled in the steps below a furnace body frame large platform 3, and sequentially mounting two first support frames 6, two second support frames 7 and two third support frames 8; the furnace shell hoisting device is used for dismantling the part of the furnace body frame middle platform 18 close to the hoisting side to form an inlet and outlet passage of the blast furnace shell 17 to be hoisted; binding and connecting the electric hoists 13 of the hoisting device with the blast furnace shell 17 by using a steel wire rope, simultaneously operating hook heads of the two electric hoists 13 to lift the blast furnace shell 17 to a required mounting height, simultaneously operating the two electric hoists 13 to walk, horizontally moving the blast furnace shell 17 into a blast furnace body frame 15, mounting the lower furnace shell from bottom to top, operating hook heads of the two electric hoists 13 to descend after the steps are completed, and lowering the blast furnace shell 17 to the required mounting height for mounting and welding; and the upper furnace shell is installed from top to bottom, the upper furnace shell is lifted to the position above the large platform 3 of the furnace body frame by using the original furnace top trolley of the blast furnace after the steps are completed and is temporarily placed, and after the lower furnace shell is completely completed, the upper furnace shell is put down, and the upper furnace shell and the lower furnace shell are butted for installation and welding.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a blast furnace overhaul is with stove outer covering hoist device which characterized in that: the furnace body frame structure comprises a bearing beam (1), a track beam (2), a furnace body frame large platform (3), a large platform secondary beam (4), a large platform main beam (5), a first support frame (6), a second support frame (7), a third support frame (8), a corner support (9), a furnace top frame upright post (10), a car bumper (11), a connecting seat (12) and an electric hoist (13), wherein the bearing beam (1) is arranged below the furnace body frame large platform (3), the track beam (2) is arranged below the bearing beam (1), the electric hoist (13) is arranged below the track beam (2), the car bumper (11) is arranged at the head end and the tail end of the track beam (2), the bearing beam (1) is connected with the large platform secondary beam (4) and the large platform main beam (5), the first support frame (6) is arranged on the side of a blast furnace cast house close to the bearing beam (1), the corner support (9) is arranged between the first support frame (6) and the furnace body frame large platform (3), the second support frame (7) and the third support frame (8) are arranged between the bearing beam (1) and the third support frame (8), a blast furnace shell (17) is arranged below the electric hoist (13).
2. A furnace shell hoisting device for blast furnace overhaul and an installation and use method thereof are characterized in that: blast furnace stove outer covering (17) divide into upper portion and lower part, and the outside of its blast furnace stove outer covering (17) is provided with furnace body frame (15), is equipped with furnace body frame stand (16) and middle part platform (18) on furnace body frame (15), during the installation of blast furnace stove outer covering (17), divide into a plurality of areas stove outer covering and get into furnace body frame (15) from the middle part of furnace body frame (15) and install in, specifically include following step:
1) According to the weight of each hanger of the blast furnace shell (17), wherein each hanger can be composed of a plurality of blast furnace shells 17, a proper electric hoist (13) is selected, the strength of each bearing beam (1) and each rail beam (2) which need to be arranged is calculated, and the bearing beams (1) and the rail beams (2) which need to be arranged are processed in advance;
2) The method comprises the following steps of connecting a bearing beam (1) and a track beam (2) in advance by using bolts before blast furnace overhaul, mounting an electric hoist (13) on the track beam (2) in advance, mounting a car bumper (11) on the track beam (2) in advance, and mounting a connecting seat (12) on the bearing beam (1) in advance;
3) Mounting the components pre-assembled in the step 2 below a furnace body frame large platform (3), and sequentially mounting two first support frames (6), a second support frame (7) and a third support frame (8);
4) A furnace shell hoisting device is used for dismantling the part of a middle platform (18) close to the hoisting side in a furnace body frame (15) to form an inlet and outlet channel of a blast furnace shell (17) to be hoisted;
5) Binding and connecting the electric hoists (13) of the hoisting device with the blast furnace shell (17) by using a steel wire rope, simultaneously operating hook heads of the two electric hoists (13) to lift the blast furnace shell (17) to a required mounting height, simultaneously operating the two electric hoists (13) to walk, and horizontally moving the blast furnace shell (17) into a blast furnace body frame (15);
6) The lower furnace shell is installed from bottom to top, after the step 5 is finished, hook heads of two electric hoists (13) are operated to descend, and the blast furnace shell (17) is lowered to the required installation height for installation and welding;
7) And (3) installing the upper furnace shell from top to bottom, lifting the upper furnace shell to the position above the large platform (3) of the furnace body frame by using the original furnace top trolley of the blast furnace after the step (5) is completed, temporarily placing the upper furnace shell, putting down the upper furnace shell after the lower furnace shell is completely completed, and butting the upper furnace shell and the lower furnace shell for installation and welding.
3. The furnace shell hoisting device for blast furnace overhaul according to claim 1, which is characterized in that: the bearing beam (1) is connected with the track beam (2) through bolts and a welding mode, and the bearing beam (1) is connected with the large platform secondary beam (4) and the large platform main beam (5) through bolts and a welding mode.
4. The furnace shell hoisting device for blast furnace overhaul according to claim 1, which is characterized in that: the bearing beams (1) are arranged in pairs and are parallel to each other, and two parallel track beams (2) are arranged below each bearing beam (1).
5. The furnace shell hoisting device for the overhaul of the blast furnace as claimed in claim 1, wherein: the distance between the bearing beam (1) and the track beam (2) should be larger than the outer diameter of the blast furnace shell (17), and the length of the part of the bearing beam (1) and the track beam (2) exceeding the furnace body frame large platform (3) should be larger than half of the diameter of the blast furnace shell (17).
6. The furnace shell hoisting device for blast furnace overhaul according to claim 1, which is characterized in that: the two first support frames (6) are arranged, the two first support frames (6) are mutually and vertically connected with the bearing beam (1), and the first support frames (6) are uniformly arranged on the part of the bearing beam (1) which exceeds the outer part of the furnace body framework large platform (3).
7. The furnace shell hoisting device for the overhaul of the blast furnace as claimed in claim 1, wherein: the bearing beam (1) is made of H-shaped steel, bolt holes are formed in the positions, corresponding to the upper flange plate and the lower flange plate, of the H-shaped steel of the bearing beam (1), and the bolt holes in the positions of the upper flange plate are connected with a girder of the furnace body frame large platform (3) through bolts.
8. The furnace shell hoisting device for the overhaul of the blast furnace as claimed in claim 1, wherein: the track beam (2) is made by the I-steel processing, and the I-steel bottom flange board both sides of track beam (2) are cut by cold work to process the bottom flange board, make width and shape accord with electric block (13)'s walking requirement, and the corresponding position department of track beam (2) I-steel top flange board opens the bolt hole, the bolt hole of the top flange board position of track beam (2) and the bottom flange board bolt hole position of spandrel girder (1) will correspond, are connected spandrel girder (1) and track beam (2) through the bolt.
9. The furnace shell hoisting device for the overhaul of the blast furnace as claimed in claim 1, wherein: the first support frame (6), the second support frame (7) and the third support frame (8) are all composed of seamless steel tubes, and connecting plates are arranged at the ends of the first support frame (6), the second support frame (7) and the third support frame (8).
10. The furnace shell hoisting device for blast furnace overhaul according to claim 1, which is characterized in that: a plurality of reinforcing rib plates (14) can be welded on two sides of each bearing beam (1) and the track beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211199163.8A CN115367616A (en) | 2022-09-29 | 2022-09-29 | Furnace shell hoisting device for blast furnace overhaul and installation and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211199163.8A CN115367616A (en) | 2022-09-29 | 2022-09-29 | Furnace shell hoisting device for blast furnace overhaul and installation and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115367616A true CN115367616A (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211199163.8A Pending CN115367616A (en) | 2022-09-29 | 2022-09-29 | Furnace shell hoisting device for blast furnace overhaul and installation and use method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN115367616A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564564A (en) * | 2024-01-15 | 2024-02-20 | 包钢西北创业建设有限公司 | Blast furnace maintenance welding assembly and transportation construction device |
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2022
- 2022-09-29 CN CN202211199163.8A patent/CN115367616A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564564A (en) * | 2024-01-15 | 2024-02-20 | 包钢西北创业建设有限公司 | Blast furnace maintenance welding assembly and transportation construction device |
| CN117564564B (en) * | 2024-01-15 | 2024-03-22 | 包钢西北创业建设有限公司 | Transportation construction equipment |
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