CN220685186U - Platform structure for blast furnace cast house - Google Patents
Platform structure for blast furnace cast house Download PDFInfo
- Publication number
- CN220685186U CN220685186U CN202321652548.5U CN202321652548U CN220685186U CN 220685186 U CN220685186 U CN 220685186U CN 202321652548 U CN202321652548 U CN 202321652548U CN 220685186 U CN220685186 U CN 220685186U
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- platform
- ditch
- frame
- cast house
- blast furnace
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 24
- 229910052742 iron Inorganic materials 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 230000000737 periodic effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 6
- 239000002893 slag Substances 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Blast Furnaces (AREA)
Abstract
The utility model relates to a platform structure for a blast furnace cast house, which comprises a platform body for supporting a channel system, wherein the platform body comprises a frame body and platform channel bottom secondary beams arranged on the frame body, the frame body and the platform channel bottom secondary beams are respectively provided with a buttress for bearing the channel system, the frame body is provided with a platform plate, and the buttresses and the platform plate form three-sided support for the channel system. The platform structure which is nested in the cast house after the self-bearing of the runner system is adopted, so that the problem that the gap between the horizontal load generated by molten iron borne by the runner system and the platform displacement of the cast house is overlarge is solved, the problems that the expansion generated by high temperature of molten iron in the production process of the runner system and the expansion gap of the cast house structure are overlarge are also solved, and the problem that the overall stability and durability of the platform structure of the cast house are not influenced due to the fact that the process needs to periodically replace materials in the runner system and the structure is damaged by large mechanical equipment in the periodic replacement process of materials in the runner system is solved.
Description
Technical Field
The utility model relates to the technical field of building structures, in particular to a platform structure for a blast furnace cast house.
Background
The tapping field is a place for discharging and collecting molten iron and slag which are final products of blast furnace ironmaking, and is a high-temperature, dusty and labor-heavy operation area in front of the blast furnace. The tapping floor is an important place for separating and collecting molten iron and slag in the modern blast furnace smelting process. The tapping floor platform is provided with a main ditch, an iron ditch, a slag ditch, a swing chute and other structures which can finish the separation and collection of molten iron and slag. However, the existing cast house platform structure has a plurality of technical defects, the existing cast house platform and cast house runner system adopts cast house platform and deep beams as runner system side walls at the positions of the runner system, and plates are arranged between the deep beams to form an integral structure of the cast house platform and the runner system.
The inside of the ditch system bears the actions of molten iron flowing and high temperature of molten iron, and the platform structure is easy to deform, so that the platform is cracked and concrete is loosened. Because of the requirement of process production, the inside of the ditch system is cleaned and replaced by a large machine at regular intervals, structural members are damaged to a certain extent, and the service life of the integral structure of the platform is seriously influenced. Brings certain hidden trouble to the production operation of the blast furnace.
Disclosure of Invention
In view of the above, the present utility model provides a platform structure for a blast furnace cast house, which reduces damage to the cast house platform and facilitates replacement of the damaged cast house.
The utility model provides a platform structure for a blast furnace cast house, which adopts the following technical scheme:
the utility model provides a platform structure for blast furnace cast house, is including the platform body that is used for supporting the ditch system, the platform body includes the frame body and sets up in the platform ditch bottom secondary beam of frame body, all be provided with the buttress on frame body and the platform ditch bottom secondary beam, the buttress is used for bearing the ditch system, be provided with the platform board on the frame body, the platform board is used for restricting the lateral displacement of ditch system, buttress and platform board form trilateral support to ditch system.
Optionally, the frame body comprises a platform frame column, a platform ditch bottom frame transverse beam and a platform ditch bottom frame longitudinal beam, and the platform frame column, the platform ditch bottom frame transverse beam and the platform ditch bottom frame longitudinal beam form a frame with a rectangular cross section.
Optionally, the secondary beams at the bottom of the platform ditch are arranged on the longitudinal beams of the frame at the bottom of the platform ditch or on the transverse beams of the frame at the bottom of the platform ditch along the length direction of the ditch system.
Optionally, the device further comprises a beam upper column and a platform beam, wherein the platform beam is arranged on the two platform frame columns in a mirror image mode along the width direction of the ditch system, the Liang Shangzhu is arranged on the transverse beam of the platform ditch bottom frame, and the two platform plates are correspondingly arranged on the beam upper column and limit the transverse direction of the ditch system.
Optionally, two secondary beams at the bottom of the platform ditch are arranged at intervals along the width direction of the ditch system and are respectively positioned below two side walls of the ditch system along the transverse direction.
Optionally, the cross section of the ditch system is an H-shaped ditch or a U-shaped ditch.
Optionally, oilpaper is arranged between the platform body and the ditch system.
Optionally, the platform body is a concrete structure or a steel structure.
Optionally, the ditch system structure is a heat-resistant concrete structure or a steel structure.
In summary, the present utility model includes at least one of the following beneficial technical effects: the platform structure which is nested in the cast house after the self-bearing of the runner system is adopted, so that the problem that the gap between the horizontal load generated by molten iron borne by the runner system and the platform displacement of the cast house is overlarge is solved, the problems that the expansion generated by high temperature of molten iron in the production process of the runner system and the expansion gap of the cast house structure are overlarge are also solved, and the problem that the overall stability and durability of the platform structure of the cast house are not influenced due to the fact that the process needs to periodically replace materials in the runner system and the structure is damaged by large mechanical equipment in the periodic replacement process of materials in the runner system is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model-platform beams and platform boards are hidden;
FIG. 2 is a schematic diagram of the overall structure of a second embodiment of the present utility model;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a sectional view taken along B-B of fig. 2.
Reference numerals illustrate: 1. a platform frame column; 2. a platform ditch bottom frame transverse beam; 3. longitudinal beams of the platform ditch bottom frame; 4. a secondary beam at the bottom of the platform ditch; 5. liang Shangzhu; 6. a ditch system; 7. a buttress; 8. a platform plate; 9. a platform beam.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
The embodiment of the utility model discloses a platform structure for a blast furnace cast house.
Referring to fig. 1 to 4, a platform structure for a blast furnace casting house includes a platform body for supporting a runner system 6, the platform body includes a frame body and a platform runner bottom secondary beam 4 provided on the frame body, buttresses 7 are provided on both the frame body and the platform runner bottom secondary beam 4, the buttresses 7 are used for bearing the runner system 6, a platform plate 8 is provided on the frame body, the platform plate 8 is used for limiting lateral displacement of the runner system 6, and the buttresses 7 and the platform plate 8 form three-sided support for the runner system 6. The problem that the gap between the horizontal load generated by molten iron borne by the channel system 6 and the platform displacement of the cast house is overlarge is solved by adopting the platform structure which is nested in the cast house after the channel system 6 is self-bearing, the problem that the expansion generated by high temperature of molten iron and the expansion gap of the cast house structure are overlarge in the production process of the channel system 6 are also solved, and the problem that the overall stability and durability of the platform structure of the cast house are not influenced due to the fact that the process needs to periodically replace internal materials of the channel system 6 and the damage to the structure of the channel system 6 caused by adopting large mechanical equipment is solved.
The ditch 6 is a heat-resistant concrete structure or a steel structure. The cross section of the groove system 6 is an H-shaped groove or a U-shaped groove. In this embodiment, the cross section of the groove 6 is an H-shaped groove.
The platform body is of a concrete structure or a steel structure. The frame body comprises a platform frame column 1, a platform ditch bottom frame transverse beam 2 and a platform ditch bottom frame longitudinal beam 3, wherein the platform frame column 1, the platform ditch bottom frame transverse beam 2 and the platform ditch bottom frame longitudinal beam 3 form a frame with a rectangular cross section.
The platform ditch bottom secondary beam 4 is arranged on the platform ditch bottom frame longitudinal beam 3
The vertical type ditch system comprises a ditch system 6, and is characterized by further comprising a beam upper column 5 and a platform beam 9, wherein the platform beam 9 is arranged on the two platform frame columns 1 in a mirror image mode along the width direction of the ditch system 6, the beam upper column 5 is arranged on the platform ditch bottom frame transverse beam 2, and the two platform plates 8 are correspondingly arranged on the beam upper column 5 and limit the transverse direction of the ditch system 6.
In this embodiment, the platform trench bottom frame transverse beam 2, the platform trench bottom frame longitudinal beam 3, and the platform trench bottom secondary beam 4 constitute a trench system 6 lower beam.
The support piers 7 are arranged on the lower beam of the ditch 6, so that the span of the bottom plate of the ditch 6 can be reduced.
Referring to fig. 2 and 4, the platform trench bottom sub-beams 4 are provided to the platform trench bottom frame transverse beams 2 along the length direction of the trench system 6.
The platform ditch bottom secondary beams 4 are arranged at intervals along the width direction of the ditch 6 and are respectively positioned below two side walls of the ditch 6 along the transverse direction.
In order to prevent the groove system 6 from generating displacement to drive the platform body under the load, oilpaper is arranged between the platform body and the groove system 6.
When the ditch system 6 is a prefabricated component or a steel structural component, firstly constructing the frame body and the beam below the ditch system 6 on the construction site, simultaneously manufacturing the ditch system 6, then constructing the beam upper column 5, the platform plate 8 and the platform beam 9 near the ditch system 6, and finally installing the ditch system 6, so that the on-site construction and the manufacturing of the prefabricated component of the ditch system 6 are synchronously carried out, the wet operation construction workload is reduced, the construction period is greatly shortened, and the construction auxiliary cost and the engineering investment cost are reduced; when the ditch 6 is a cast-in-situ member, the frame body and the beam below the ditch 6 are constructed at the construction site, and then the beam upper column 5, the platform plate 8, the platform beam 9 and the ditch 6 near the ditch 6 are constructed.
The groove system 6 and the platform body are respectively independent stress systems, so that the groove system 6 and the platform body are conveniently separated.
The double-layer beam system of the platform bottom framework transverse beam 2 and the platform plate 8 is adopted to support the channel system 6 of the blast furnace casting house, so that the degree of mutual influence of the two stresses is improved, the channel system 6 is easy to replace after being damaged in the production process, and the whole platform is not damaged.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (5)
1. A platform structure for blast furnace cast house, its characterized in that: the supporting device comprises a platform body for supporting a ditch system, wherein the platform body comprises a frame body and a platform ditch bottom secondary beam arranged on the frame body, support piers are arranged on the frame body and the platform ditch bottom secondary beam and used for bearing the ditch system, a platform plate is arranged on the frame body and used for limiting the transverse displacement of the ditch system, and the support piers and the platform plate form three-face support for the ditch system; the frame body comprises a platform frame column, a platform ditch bottom frame transverse beam and a platform ditch bottom frame longitudinal beam, and the platform frame column, the platform ditch bottom frame transverse beam and the platform ditch bottom frame longitudinal beam form a frame with a rectangular cross section; the secondary beams of the platform ditch bottom are arranged on the longitudinal beams of the platform ditch bottom frame or the transverse beams of the platform ditch bottom frame along the length direction of the ditch system; the structure also comprises a beam upper column and a platform beam, wherein the platform beam is arranged on the two platform frame columns in a mirror image manner along the width direction of the ditch system, the Liang Shangzhu is arranged on a transverse beam of the bottom frame of the platform ditch, and the two platform plates are correspondingly arranged on the upper beam column and limit the transverse direction of the ditch system; the platform ditch bottom secondary beams are arranged at intervals along the width direction of the ditch system and are respectively positioned below the two side walls of the ditch system along the transverse direction.
2. The platform structure for a blast furnace cast house according to claim 1, wherein: the cross section of the groove system is an H-shaped groove or a U-shaped groove.
3. The platform structure for a blast furnace cast house according to claim 1, wherein: and oilpaper is arranged between the platform body and the ditch system.
4. The platform structure for a blast furnace cast house according to claim 1, wherein: the platform body is of a concrete structure or a steel structure.
5. The platform structure for a blast furnace cast house according to claim 1, wherein: the ditch system is of a heat-resistant concrete structure or a steel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321652548.5U CN220685186U (en) | 2023-06-26 | 2023-06-26 | Platform structure for blast furnace cast house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321652548.5U CN220685186U (en) | 2023-06-26 | 2023-06-26 | Platform structure for blast furnace cast house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220685186U true CN220685186U (en) | 2024-03-29 |
Family
ID=90378318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321652548.5U Active CN220685186U (en) | 2023-06-26 | 2023-06-26 | Platform structure for blast furnace cast house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220685186U (en) |
-
2023
- 2023-06-26 CN CN202321652548.5U patent/CN220685186U/en active Active
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