CN220056903U - Large-scale blast furnace sectional sliding device - Google Patents
Large-scale blast furnace sectional sliding device Download PDFInfo
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- CN220056903U CN220056903U CN202320326486.2U CN202320326486U CN220056903U CN 220056903 U CN220056903 U CN 220056903U CN 202320326486 U CN202320326486 U CN 202320326486U CN 220056903 U CN220056903 U CN 220056903U
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- GKSPIZSKQWTXQG-UHFFFAOYSA-N (2,5-dioxopyrrolidin-1-yl) 4-[1-(pyridin-2-yldisulfanyl)ethyl]benzoate Chemical compound C=1C=C(C(=O)ON2C(CCC2=O)=O)C=CC=1C(C)SSC1=CC=CC=N1 GKSPIZSKQWTXQG-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000003491 array Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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Abstract
The utility model relates to a large-scale blast furnace sectional sliding device which comprises a SMPT module vehicle, wherein a plurality of layers of assembly beams supported by assembly supporting columns are arranged below a lifted blast furnace body, and a transport beam fixed on the SMPT module vehicle is arranged below the assembly beams. The technical key point is that the blast furnace frame is not replaced, the upper part of the furnace base is transformed, the whole furnace shell is replaced, and the cast house is subjected to flattening construction. According to the construction site conditions, a cast house roof and a travelling beam are not dismantled, the blast furnace body is divided into three sections according to the elevation of the cast house travelling beam, a cast house flattening construction channel is utilized, the three sections beside the blast furnace are assembled in an offline mode at the same time, and are transported to a blast furnace foundation in a sliding mode, and the blast furnace is installed according to the sequence of an upper section, a middle section and a lower section through a flip-chip method, so that rapid overhaul of the blast furnace is realized.
Description
Technical Field
The utility model belongs to the technical field of equipment for maintaining a blast furnace, and particularly relates to a large-scale blast furnace sectional sliding device.
Background
The blast furnace has been used for many years and needs to be replaced, maintained or modified. The prior art is to hoist and dismantle the blast furnace shell from top to bottom and then to construct the furnace base, and to assemble the furnace shell, the cooling wall and the furnace body piping from bottom to top, so that the construction period is long and usually at least 150 days are required. However, the frame is not replaced in the overhaul of the blast furnace, so that the lifting construction of the furnace shell is difficult, the construction efficiency is low, the integral update installation progress of the blast furnace is affected, the construction period is delayed, and potential safety hazards exist.
Rapid blast furnace overhaul is a major trend, and according to the above analysis, in which the assembly of the furnace shell is a key process affecting the construction period, how to increase the speed of the disassembly and assembly of the furnace shell is a matter of urgent consideration for those skilled in the art.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a large-scale blast furnace sectional sliding device which improves the speed of dismantling and assembling a furnace shell.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a large-scale blast furnace segmentation slider, including the SMPT module car, be equipped with a plurality of layers of equipment roof beam that support through the equipment supporting column below the blast furnace body of lifting, the equipment roof beam below is equipped with and fixes transport roof beam on the SMPT module car, the height of equipment supporting column is higher than the SMPT module car closes the height with transport roof beam, transport roof beam includes the fixed width transport module that a plurality of width directions are arranged side by side, through the mutual fixed connection of transportation tie-beam between the fixed width transport module, transportation tie-beam is including locating the transportation direction tie-beam of fixed width transport module length direction central authorities, the one end of fixed width transport module width direction is connected with the transportation module through the transportation tie-beam, the equipment roof beam includes the fixed width equipment module that a plurality of width directions are arranged side by side, through the fixed width equipment tie-beam each other fixed connection between the fixed width equipment module, the both ends of fixed width equipment module width direction are connected with through the equipment tie-beam and adjust the transportation direction tie-beam and the center of furnace body tie-beam.
Preferably, the bottoms of the fixed-width transportation module, the fixed-width assembly module, the adjusting transportation module and the adjusting assembly module are all provided with supporting feet.
Preferably, the assembly support column, the fixed-width transportation module, the fixed-width assembly module, the adjustment transportation module, the adjustment assembly module, the assembly connecting beam and the transportation connecting beam are all formed by welding H-shaped steel, the fixed-width transportation module, the adjustment transportation module and the transportation connecting beam are fixedly connected through a plurality of high-strength bolts arranged in steel plates and arrays, and the fixed-width assembly module, the adjustment assembly module and the assembly connecting beam are fixedly connected through a plurality of high-strength bolts arranged in steel plates and arrays.
Preferably, a plurality of jacks are arranged in an array between the assembly beam and the bottom of the blast furnace body.
Preferably, the number of the assembling supporting columns is at least four, the assembling supporting columns are respectively arranged at four corners of the assembling beam, and the centers of the four assembling supporting columns are matched with the center position of the blast furnace body.
Preferably, the width of the assembly beam is smaller than the headroom width of the blast furnace frame column.
Preferably, the width of the assembly beam is greater than the width of the transport beam.
Preferably, the top surface elevation of the assembled beam is equal to the bottom surface elevation of the cast house slip track.
Preferably, the width of the fixed-width assembly module is equal to the width of the fixed-width transport module.
Advantageous effects
The blast furnace shell can be removed from bottom to top and assembled offline, so that the construction period is effectively shortened to about 118 days; the bottom assembly beam and the transportation modularized design are assembled, so that the assembly speed of the sliding device is improved, and the sliding device is suitable for the same type blast furnaces with different sizes; after the furnace shell is dismantled from bottom to top in the same direction, the axis of the furnace shell is matched with the axes of the transportation connecting beam and the assembly connecting beam, so that the furnace shell is convenient to be assembled back in the same direction, the furnace shell adjusting direction does not need to be frequently rotated in the frame, and the installation precision and construction quality of the furnace shell, the cooling wall and the connecting piping can be ensured; dividing the sections of the furnace shell according to the bottom elevation of the cast house travelling crane beam, and reducing the dismantling and repairing workload; offline assembly personnel do not need to construct on site, so that the safety is improved, and meanwhile, the work efficiency is also improved; the furnace base is constructed when the furnace shell is assembled offline, so that the construction period and maintenance period of the furnace base can be saved, the time of a construction main line is shortened, and the construction period is shortened by at least 10 days.
Drawings
FIG. 1 is a schematic diagram of a sectional slipping device of a large-scale blast furnace.
Fig. 2 is a top view of the transport beam of fig. 1.
Fig. 3 is a side view of the transport beam of fig. 1.
Fig. 4 is a front view of the transport connection beam of fig. 2.
Fig. 5 is a cross-sectional view at A-A in fig. 2.
Fig. 6 is a schematic diagram of the regulated transport module of fig. 2.
Fig. 7 is a cross-sectional view at B-B in fig. 3.
Fig. 8 is a cross-sectional view at C-C of fig. 6.
Fig. 9 is a top view of the assembled beam of fig. 1.
Fig. 10 is a front view of the fixed-width assembly module of fig. 9.
FIG. 11 is a cross-sectional view taken at D-D in FIG. 10.
Fig. 12 is a cross-sectional view taken at E-E of fig. 10.
Fig. 13 is a front view of the side assembled connection beam of fig. 9.
Fig. 14 is a front view of the center assembled connecting beam of fig. 9.
FIG. 15 is a cross-sectional view taken at F-F in FIG. 14.
Fig. 16 is a schematic view of a steel plate with screw holes for connecting the fixed-width assembly module and the adjacent assembly connecting beam in fig. 9.
Fig. 17 is a front view of the assembled support column of fig. 1.
Fig. 17 is a front view of the assembled support column of fig. 1.
Fig. 18 is a sectional view at G-G in fig. 17.
FIG. 19 is a schematic diagram showing the use of a sectional slipping device for a large blast furnace.
FIG. 20 is a schematic diagram of a large blast furnace sectional slipping device.
Wherein, 1-the blast furnace body; 101-an upper furnace body; 102-a middle furnace body; 103-lower furnace body; 2-jack; 3-assembling the beam; 301-upper layer assembly of beams; 302-middle layer assembly beam; 303-lower layer assembly of beams; 304-adjusting the assembly module; 305-a fixed-width assembly module; 306-assembling the connecting beam; 307-assembling a guiding connection beam; 4-transporting beams; 401-an adjustment transport module; 402-a fixed-width transport module; 403-transporting the connection beams; 404-transporting the guide connection beam; 5-SMPT module vehicle; 6-assembling the support column; 7-supporting feet.
Like reference symbols in the various drawings indicate like elements.
Detailed Description
The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the utility model as defined in the appended claims.
As shown in fig. 1 to 18, the present utility model provides a large-scale blast furnace sectional sliding device, comprising SMPT module cars 5, a plurality of layers of assembly beams 3 supported by assembly supporting columns 6 are arranged below a lifted blast furnace body 1, a transport beam 4 fixed on the SMPT module cars 5 is arranged below the assembly beams 3, the height of the assembly supporting columns 6 is higher than the combined height of the SMPT module cars 5 and the transport beams 4, the transport beam 4 comprises a plurality of width-fixing transport modules 402 which are arranged side by side in the width direction, the width-fixing transport modules 402 are fixedly connected with each other through transport connecting beams 403, the transport connecting beams 403 comprise transport guiding connecting beams 404 arranged at the center of the length direction of the width-fixing transport modules 402, the width-fixed transportation module (402) is connected with an adjusting transportation module (401) through a transportation connecting beam (403), the assembly beam (3) comprises a plurality of width-fixed assembly modules (305) which are arranged side by side in the width direction, the width-fixed assembly modules (305) are fixedly connected with each other through an assembly connecting beam (306), the assembly connecting beam (306) comprises an assembly guiding connecting beam (307) arranged at the center of the length direction of the width-fixed transportation module (402), two ends of the width-fixed assembly module (305) in the width direction are connected with an adjusting assembly module (304) through the assembly connecting beam (306), and the transportation guiding connecting beam (404) is aligned with the axis of the assembly guiding connecting beam (307) and passes through the center of the blast furnace body (1).
In one embodiment, the blast furnace body 1 is divided into three sections, namely an upper section, a middle section and a lower section, so that the number of layers of the assembly beam 3 is three layers which are stacked in sequence and have the same height.
In a specific embodiment, the bottom parts of the fixed-width transportation module 402, the fixed-width assembly module 305, the adjusting transportation module 401 and the adjusting assembly module 304 are provided with supporting feet 7.
In a specific embodiment, the assembly support column 6, the fixed-width transportation module 402, the fixed-width assembly module 305, the adjustment transportation module 401, the adjustment assembly module 304, the assembly connection beam 306 and the transportation connection beam 403 are all formed by welding H-shaped steel, the fixed-width transportation module 402, the adjustment transportation module 401 and the transportation connection beam 403 are fixedly connected through a plurality of high-strength bolts arranged in steel plates and arrays, and the fixed-width assembly module 305, the adjustment assembly module 304 and the assembly connection beam 306 are fixedly connected through a plurality of high-strength bolts arranged in steel plates and arrays.
In a specific embodiment, the adjusting transportation module 401 and the adjusting assembly module 304 are a plurality of transportation modules and assembly modules with equal length and shorter width, which are suitable for blast furnaces with different specifications, so as to avoid that the dimension is too long or too short to meet the use requirement when the assembly is performed only by the fixed-width transportation module 402 or the fixed-width assembly module 305.
In one embodiment, the width of the fixed-width transport module 402 is equal to the length of the transport connection beam 403; the width of the fixed-width assembly module 305 is equal to the length of the assembly connection beam 306.
In a specific embodiment, a plurality of jacks 2 are arranged in an array between the assembly beam 3 and the bottom of the blast furnace body 1.
In a specific embodiment, the number of the assembling supporting columns 6 is at least four, the assembling supporting columns are respectively arranged at four corners of the assembling beam 3, and the centers of the four assembling supporting columns 6 are matched with the center position of the blast furnace body 1.
In a specific embodiment, the width of the assembly beam 3 is smaller than the headroom width of the blast furnace frame column. The width of the assembly beam 3 is greater than the width of the transport beam 4. The elevation of the top surface of the assembled beam 3 is equal to the elevation of the bottom surface of the cast house sliding rail. The width of the fixed width assembly module 305 is equal to the width of the fixed width transport module 402.
In one embodiment, the assembly connection beams 306 have two widths, and the assembly connection beams 306 located at the middle in the length direction include assembly guide beams that are wider than the upper and lower wings of the assembly connection beams 306 located at both sides.
As shown in fig. 19 and 20, the following details the use of the present utility model: when the furnace shell is assembled and the upper part of the roadbed is constructed, determining the assembling direction of the assembling beam 3 according to the position of the existing frame of the blast furnace, wherein the length direction of the assembling beam 3 is the transportation direction of an assembling platform; constructing foundation embedded parts at four corners of the blast furnace according to the transportation direction, installing assembly support columns 6 on the foundation embedded parts, and positioning the central position and the top surface horizontal elevation of each assembly support column 6 through a level gauge, a tape measure and the like, wherein additional assembly support columns 6 can be added on two side lines according to the actual conditions such as the weight of the blast furnace and the like; after the position of the assembled supporting column 6 is determined, assembling an assembled beam 3 at the central position, preparing a plurality of equal-width assembled modules according to the outer diameter of the bottom of the blast furnace, assembling and adjusting assembled modules 304 at two ends of the equal-width assembled modules, wherein the total width does not exceed the interval of the blast furnace frame, the axial position of an assembled guide connecting beam 307 of the assembled beam 3 passes through the center of the blast furnace shell and is parallel to the transportation direction, and the 0 degree, 90 degree, 180 degree and 270 degree directions of the assembled beam 3 and the transportation beam 4 are determined according to the axial position; the layout of the three-layer assembled beam 3 is closest to the blast furnace according to the upper assembled beam 301, next to the middle layer and finally to the lower layer. During the assembly process, the selected assembly beams 3 should not exceed the distance of the blast furnace frame in the length direction. After the assembly beam 3 is positioned, the assembly beam is fixedly connected with the assembly supporting column 6 through high-strength bolts and steel plates.
Before assembling and preparing for transportation, selecting an equal-width transportation module and an adjustment transportation module 401 with the length direction equal to that of the assembled beam 3, and fixedly connecting the equal-width transportation module and the adjustment transportation module with a transportation connecting beam 403 into a whole through a steel plate and a high-strength bolt; the crawler crane dismantled through the blast furnace is integrally hung on the assembled SMPT module vehicle 5, and at the moment, the adjusting and transporting module 401 is positioned at the tail part of the vehicle, and the tail part of the whole transporting beam 4 is ensured to be level with the tail part of the SMPT module vehicle 5 or exceed about 100 mm; the SMPT module car 5 and the transport beam 4 are driven to enter the lower part of the assembly beam 3 through a transport channel, the transport guide connecting beam 404 is controlled to be aligned with the axis of the assembly guide connecting beam 307, and the assembly beam 3 at the tail part of the car is required to exceed the transport beam 4400-600 mm; after confirming the alignment of the positions, controlling the SMPT module truck 5 to lift to enable the top surface of the transport beam 4 to be in contact with the bottom surface of the assembly beam 3 and hold force, dismantling the assembly support columns 6 one by one after the bottom holds force, and then starting transport sliding together with the assembly beam 3; after sliding in place, the upper layer assembly beam 301 is removed after the lower furnace body 103 of the blast furnace is lifted away, and is placed at a storage point for the next blast furnace of the same type. After the upper section is slipped and lifted, the transporting beam 4 and the SMPT module car 5 sequentially transport the middle layer assembling beam 302, the lower layer assembling beam 303, the middle furnace body 102 and the upper furnace body 101 according to a transporting method of the upper section of the furnace shell.
Claims (9)
1. The large-scale blast furnace sectional sliding device comprises a SMPT module vehicle (5), and is characterized in that a plurality of layers of assembly beams (3) supported by an assembly supporting column (6) are arranged below a lifted blast furnace body (1), a transport beam (4) fixed on the SMPT module vehicle (5) is arranged below the assembly beams (3), the height of the assembly supporting column (6) is higher than the combined height of the SMPT module vehicle (5) and the transport beam (4),
transport beam (4) include fixed width transport module (402) that a plurality of width directions arranged side by side, fixed width transport module (402) are connected fixedly each other through transport connecting beam (403), transport connecting beam (403) are including locating fixed width transport module (402) length direction central transport direction connecting beam (404), fixed width transport module (402) width direction's one end is connected with through transport connecting beam (403) and adjusts transport module (401), equipment roof beam (3) include fixed width equipment module (305) that a plurality of width directions arranged side by side, fixed width is fixed connection each other through equipment connecting beam (306) between equipment connecting beam (305), equipment connecting beam (306) are including locating fixed width transport module (402) length direction central equipment direction connecting beam (307), fixed width equipment module (305) width direction's both ends are connected with through equipment connecting beam (306) and adjust equipment module (304), transport direction connecting beam (404) with equipment direction connecting beam (307) align and pass through furnace body (1) the center of shaft line.
2. The large-scale blast furnace sectional sliding device according to claim 1, wherein the bottoms of the fixed-width transportation module (402), the fixed-width assembly module (305), the adjusting transportation module (401) and the adjusting assembly module (304) are respectively provided with a supporting foot (7).
3. The large-scale blast furnace sectional sliding device according to claim 1, wherein the assembly support column (6), the fixed-width transportation module (402), the fixed-width assembly module (305), the adjustment transportation module (401), the adjustment assembly module (304), the assembly connecting beam (306) and the transportation connecting beam (403) are all formed by welding H-shaped steel, the fixed-width transportation module (402), the adjustment transportation module (401) and the transportation connecting beam (403) are fixedly connected through a plurality of high-strength bolts arranged in steel plates and arrays, and the fixed-width assembly module (305), the adjustment assembly module (304) and the assembly connecting beam (306) are fixedly connected through a plurality of high-strength bolts arranged in steel plates and arrays.
4. A large blast furnace sectional slipping device according to claim 1, characterized in that a number of jacks (2) are arranged in an array between the assembly beam (3) and the bottom of the blast furnace body (1).
5. The large-scale blast furnace sectional sliding device according to claim 1, wherein the number of the assembly supporting columns (6) is at least four, the four assembly supporting columns are respectively arranged at four corners of the assembly beam (3), and the centers of the four assembly supporting columns (6) are matched with the center position of the blast furnace body (1).
6. A large blast furnace sectional skid according to claim 1, wherein the width of the assembly beam (3) is smaller than the headroom width of the blast furnace frame column.
7. A large blast furnace sectional skid according to claim 1, wherein the width of the assembly beam (3) is larger than the width of the transport beam (4).
8. A large blast furnace sectional skid according to claim 1, wherein the elevation of the top surface of the assembled beam (3) is equal to the elevation of the bottom surface of the cast house skid rail.
9. The large blast furnace sectional skid according to claim 1, wherein the width of the fixed width assembly module (305) is equal to the width of the fixed width transport module (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320326486.2U CN220056903U (en) | 2023-02-27 | 2023-02-27 | Large-scale blast furnace sectional sliding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320326486.2U CN220056903U (en) | 2023-02-27 | 2023-02-27 | Large-scale blast furnace sectional sliding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220056903U true CN220056903U (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320326486.2U Active CN220056903U (en) | 2023-02-27 | 2023-02-27 | Large-scale blast furnace sectional sliding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220056903U (en) |
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2023
- 2023-02-27 CN CN202320326486.2U patent/CN220056903U/en active Active
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