CN219471678U - Blast furnace cast house with steel frame structure - Google Patents
Blast furnace cast house with steel frame structure Download PDFInfo
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- CN219471678U CN219471678U CN202320809022.7U CN202320809022U CN219471678U CN 219471678 U CN219471678 U CN 219471678U CN 202320809022 U CN202320809022 U CN 202320809022U CN 219471678 U CN219471678 U CN 219471678U
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Abstract
The application relates to the field of ironmaking blast furnace facilities, in particular to a steel frame structure blast furnace cast-in-place field, which comprises a steel frame unit, a cast-in-place common concrete layer and a heat-resistant concrete layer, wherein the steel frame unit comprises a steel beam and a steel column, and the steel column is constructed to form a cast-in-place support column foundation; the steel beams are connected with the steel beams and the steel columns to form a cast house platform foundation; the cast-in-situ common concrete layer and/or the heat-resistant concrete layer are coated on the outer side of the cast-in-situ support column foundation to form a cast-in-situ support column; and a cast-in-situ common concrete layer and/or a heat-resistant concrete layer are coated on the cast-in-situ common concrete layer to form the cast-in-situ concrete layer. According to the steel frame structure cast house, the structural dead weight is reduced, the cross section of a member is reduced, and the strength, span, earthquake resistance and other performances of the member are improved.
Description
Technical Field
The application relates to the field of ironmaking blast furnace facilities, in particular to a steel frame structure blast furnace cast house.
Background
The blast furnace cast house is an indispensable production system of iron works, and the blast furnace cast house of most of domestic steel works adopts a lower reinforced concrete frame and an upper portal steel frame. The method has the advantages of large consumption of steel bars and concrete, high energy consumption, large section of concrete members, long construction maintenance period and low construction speed. Severely restricts the construction cost and construction period of the blast furnace area of the iron works.
Disclosure of Invention
In order to shorten the construction period and improve the construction efficiency, the applicant researches a cast house structure form which adopts a steel structure frame as a main body, and the application provides a steel frame structure blast furnace cast house.
The application provides a steel frame structure blast furnace cast house, adopts following technical scheme:
a blast furnace cast house with a steel frame structure comprises a steel frame unit, a cast-in-situ common concrete layer and a heat-resistant concrete layer, wherein,
the steel frame unit comprises steel beams and steel columns, and the steel columns are configured to form a cast house supporting column foundation; the steel beams are connected with the steel beams and the steel columns to form a cast house platform foundation;
the cast-in-situ common concrete layer and/or the heat-resistant concrete layer are coated on the outer side of the cast-in-situ common concrete layer and/or the heat-resistant concrete layer to form a cast-in-situ support column;
and the cast-in-situ common concrete layer and/or the heat-resistant concrete layer are coated on the cast-in-situ common concrete layer to form the cast-in-situ concrete layer.
By adopting the technical scheme, the cast-in-place platform adopts the frame column with the section steel wrapped with the common concrete and the heat-resistant concrete to form the support for the cast-in-place platform, the multi-section steel beam formed by the steel beam forms the cast-in-place plane foundation, and the cast-in-place reinforced concrete and the cast-in-place heat-resistant concrete surface layer form the cast-in-place platform on the basis of the steel beam structure. Through the cast house of the steel frame structure after the improvement, reduce the structure dead weight, reduce the component cross section, improve performances such as component intensity, span, antidetonation. The pollution and noise are reduced during construction, the recycling rate of the building materials after the building service is removed is improved, and the building waste is reduced. All-weather construction is carried out, the construction period is greatly shortened, the construction efficiency is improved, and the dry construction is pollution-free and noise-free. The purposes of low carbon, environmental protection, economy and energy conservation are achieved.
Optionally, the cast-in-situ steel bar common concrete layer and the heat-resistant concrete layer are sequentially coated on the top surface of the cast-in-situ steel bar common concrete layer, and edge protection angle steel is arranged at the top edges of the groove walls of the main groove, the iron groove, the slag groove and the residual iron groove.
By adopting the technical scheme, the structure arrangement of the main runner, the iron runner, the slag runner and the residual iron runner areas is disclosed.
Optionally, an overhaul platform for casting the heat-resistant concrete layer is arranged in the residual iron ditch.
By adopting the technical scheme, the structural arrangement of the residual iron runner area overhaul platform is disclosed.
Optionally, the cast-in-situ reinforced concrete common concrete layer and the heat-resistant concrete layer are sequentially wrapped on the top surface and the bottom surface of the cast-in-situ reinforced concrete foundation at the periphery of the swing chute active region, and edge protection angle steel is arranged at the periphery of the swing chute active region.
By adopting the technical scheme, the structure setting of the chute movable area is disclosed.
Optionally, a cast-in-situ reinforced concrete common concrete layer is arranged on the top surface of the cast-in-situ reinforced concrete platform foundation far away from the main ditch, the iron ditch, the slag ditch, the residual iron ditch and the swing chute movable area.
By adopting the technical scheme, the structure setting of the movable area of the swing chute far away from the main ditch, the iron ditch, the slag ditch, the residual iron ditch is disclosed.
Optionally, an anchor is fixedly arranged on a steel column constructing the cast house support column foundation;
the anchor is a steel bar member at least partially fixed to the steel column, and the other part of the anchor protrudes and is far away from the surface of the steel column.
By adopting the technical scheme, the steel column is provided with the anchoring piece so as to improve the pouring effect of concrete.
Optionally, clamping plates are symmetrically arranged on the side walls of the cast house support columns, and the clamping plates can be fixedly connected through embedded parts embedded in the cast house support columns;
the clamping plate is fixed and connected with one end of the inclined rod, and the other end of the inclined rod is connected with the bottom of the steel beam of the cast house platform.
By adopting the technical scheme, the inclined rod support is arranged at the joint of the steel column and the steel beam.
Optionally, a groove is formed in the clamping plate, a damping sleeve is sleeved at the lower end of the inclined rod, and the damping sleeve is located in the groove.
Through adopting above-mentioned technical scheme, disclose the connection structure of diagonal brace support and steel column link.
Optionally, a shock absorbing support plate is arranged at the bottom of the steel beam of the cast house platform, and the diagonal rod is connected with the bottom of the steel beam through the shock absorbing support plate.
Through adopting above-mentioned technical scheme, disclose the connection structure of diagonal brace support and girder steel link.
The application comprises at least one of the following beneficial technical effects:
1. the cast house structure form adopting the steel structure frame as the main body. And the cast-in-situ reinforced concrete and heat-resistant concrete surface layers form structures of the cast-in-situ cast iron house on the basis of the steel beam structures.
2. According to the steel frame structure cast house, the structural dead weight is reduced, the cross section of a member is reduced, and the strength, span, earthquake resistance and other performances of the member are improved. The pollution and noise are reduced during construction, the recycling rate of the building materials after the building service is removed is improved, and the building waste is reduced. All-weather construction is carried out, the construction period is greatly shortened, the construction efficiency is improved, and the dry construction is pollution-free and noise-free. The purposes of low carbon, environmental protection, economy and energy conservation are achieved.
3. The application discloses connection structure between diagonal brace bearing structure and steel column, girder steel.
Drawings
Fig. 1 is a casting house floor plan.
Fig. 2 is a sectional view of the casting house 1-1 of fig. 1, including a tap hole main runner, a slag runner, and a runner region of the casting house.
Fig. 3 is a sectional view of the cast house 1-1 of fig. 1, including the tap hole, scrap iron region of the cast house.
Fig. 4 is a sectional view of the cast house 1-1 of fig. 1, including the tap hole, scrap iron region of the cast house.
Fig. 5 is a sectional view of the casting house 1-1 of fig. 1, including a tap hole area of the casting house.
Fig. 6 is a sectional view of the casting house 1-1 of fig. 1, including the swing chute activity area of the casting house.
Fig. 7 is a schematic structural view of the joint between the steel column and the steel beam.
Reference numerals illustrate:
A. a main trench; B. an iron runner; C. slag runner; D. iron runner; E. swing the movable area of the chute;
1. a steel column; 2. a steel beam; 3. a common concrete layer; 4. a heat-resistant concrete layer; 5. edge protection angle steel; 6. a clamping plate; 7. a diagonal rod; 8. a groove; 9. a damping sleeve; 10. and a damping supporting plate.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The application discloses an embodiment of a blast furnace cast house with a steel frame structure aiming at the problems that a reinforced concrete frame is adopted for a blast furnace cast house platform for the current iron making production, the consumption of reinforced steel and concrete is large, the energy consumption is high, the section of a concrete member is large, the construction maintenance period is long and the construction speed is slow in the building construction process.
In the embodiment of the application, the structural form of the blast furnace cast house adopting the steel structural frame as a main body is studied on the premise of ensuring safety. The blast furnace cast-in-place field with the steel frame structure comprises a steel frame unit, a cast-in-situ common concrete layer 3 and a heat-resistant concrete layer 4. The steel frame unit comprises a steel beam 2 and a steel column 1, wherein the steel column 1 is configured to be a cast house supporting column foundation, and the steel beam 2 is connected with the steel beam 2 and the steel beam 2 is connected with the steel column 1 to be configured to be a cast house platform foundation.
In the embodiment of the application, for the stand column for supporting a cast-in-place casting house, the cast-in-place common concrete layer 3 and the heat-resistant concrete layer 4 are coated and arranged on the outer side of the foundation of the cast-in-place casting house support column to form the cast-in-place casting house support column. Specifically, the steel is formed by adopting a frame column form of steel reinforced concrete. According to the actual heated condition of the cast house, concrete with different thickness and different types is arranged outside the section steel, the thicker the thickness of the heat-resistant concrete layer 4 is arranged outside the section steel, even the heat-resistant concrete layer 4 is arranged outside the section steel, and the thinner the thickness of the heat-resistant concrete layer 4 is arranged outside the section steel, even the cast-in-situ common concrete layer 3 is arranged outside the section steel. Similarly, the cast-in-situ common concrete layer 3 and the heat-resistant concrete layer 4 are coated and arranged on the cast-in-situ common concrete layer 3 and the heat-resistant concrete layer 4 on the cast-in-situ common concrete layer along with the distance from the high-temperature environment. The cast-in-situ ordinary concrete layer 3 can be arranged, the heat-resistant concrete layer 4 can be arranged, the cast-in-situ ordinary concrete layer 3 and the heat-resistant concrete layer 4 can be arranged at the same time, the cast-in-situ ordinary concrete layer 3 can be cast-in-situ firstly, then the heat-resistant concrete layer 4 is cast-in-situ, and the cast-in-situ ordinary concrete layer 3 is arranged as a surface layer.
The tapping platform of the blast furnace tapping field comprises a main runner A, a runner B, a slag runner C and a residual iron runner D, wherein the main runner A, the runner B, the slag runner C and the residual iron runner D are all in a groove shape with inclination, the top surface of the foundation of the trough-shaped cast-in-situ reinforced concrete platform is sequentially covered with a cast-in-situ reinforced concrete layer 3 and a heat-resistant concrete layer 4, and the top edges of the trough walls of the main trough A, the iron trough B, the slag trough C and the residual iron trough D are provided with edge protection angle steels 5. The cast-in-situ reinforced concrete layer 3 is arranged to form a structural foundation, and the heat-resistant concrete layer 4 is arranged to achieve the purpose of high temperature resistance, so that the corrosion and damage of the structural foundation can be reduced when molten slag iron passes through the cast-in-situ reinforced concrete layer, and a gradient is formed in the manufacture process, so that the slag iron can flow conveniently. In practical use, a temporary heat-resistant protective layer can be made in the heat-resistant concrete layer 4. An overhaul platform for casting the heat-resistant concrete layer 4 is arranged in the residual iron runner D. Is convenient for operators to operate and use in the process of putting residual iron.
The tapping platform of the blast furnace tapping yard is provided with a swing chute movable area E for placing molten iron into a molten iron tank car. The top surface and the bottom surface of a cast-in-situ reinforced concrete common concrete layer 3 and a heat-resistant concrete layer 4 are sequentially wrapped on the top surface and the bottom surface of a cast-in-situ reinforced concrete platform base at the periphery of the swing chute movable region E, and edge protection angle steel 5 is arranged at the periphery of the swing chute movable region E. Because the ladle car is located below the cast house platform, high-temperature molten iron enters the ladle car through the swing chute and stays in the ladle car, the ladle car has higher high-temperature radiation to the cast house platform and is easy to damage, so that the top surface and the bottom surface of the foundation of the cast house platform are provided with the cast-in-situ reinforced concrete layer 3 to form a foundation structure layer, and the heat-resistant concrete layer 4 is also provided to form a high-temperature-resistant protection layer and improve the high-temperature resistance.
And a cast-in-situ reinforced concrete common concrete layer 3 is arranged on the top surface of the casting yard platform foundation far away from the main runner A, the iron runner B, the slag runner C, the residual iron runner D and the swing chute active area E. The heat-resistant concrete layer 4 may or may not be provided as far as it is away from the high temperature environment, and is not required in view of cost. Of course, it is also possible to provide the surface of the heat-resistant concrete layer 4 with the ordinary concrete layer 3 as a top layer.
In the application, frame columns of steel covered ordinary concrete and heat-resistant concrete are adopted below a cast iron house platform to form a support for the cast iron house platform, a cast iron house plane foundation is formed through a multi-section steel beam 2 formed by a steel beam 2, a main body structure of a cast iron house floor is formed through cast-in-situ reinforced concrete on the basis of a steel beam 2 structure, and then a heat-resistant concrete surface layer is cast according to requirements. Through the cast house of the steel frame structure after the improvement, reduce the structure dead weight, reduce the component cross section, improve performances such as component intensity, span, antidetonation. The pollution and noise are reduced during construction, the recycling rate of the building materials after the building service is removed is improved, and the building waste is reduced. All-weather construction is carried out, the construction period is greatly shortened, the construction efficiency is improved, and the dry construction is pollution-free and noise-free. The purposes of low carbon, environmental protection, economy and energy conservation are achieved.
In addition, in the application, in order to facilitate the stable and reliable casting of concrete on the steel column 1 of the section steel and form better adhesiveness, an anchor is fixedly arranged on the steel column 1 which forms the foundation of the cast house support column; the anchor is a steel bar member at least partially fixed on the steel column 1, and the other part of the anchor protrudes and is far away from the surface of the steel column 1. The shape of the specific anchoring piece can be J-shaped, V-shaped, W-shaped, spiral and other steel bar members.
In the present application, the steel column 1 and the steel beam 2 may be directly connected by welding or bolting. The steel beams 2 and 2 can also be directly connected by welding or bolting.
In order to improve the stability of direct connection between the steel column 1 and the steel beam 2, clamping plates 6 are symmetrically arranged on the side walls of the cast house support columns, and the clamping plates 6 can be fixedly connected through embedded parts embedded in the cast house support columns; the clamping plate 6 is fixedly connected with one end of the inclined rod 7, and the other end of the inclined rod 7 is fixedly connected with the clamping plate 6 and the bottom of the steel beam 2 of the cast house platform.
In order to reduce stress concentration of the steel column 1 and the steel beam 2, reaction force of the inclined rod 7 support on the steel column 1 and the steel beam 2 after being stressed is reduced, a groove 8 is formed in the clamping plate 6, a damping sleeve 9 is sleeved at the lower end of the inclined rod 7, and the damping sleeve 9 is located in the groove 8. The bottom of the steel beam 2 is provided with a damping supporting plate 10, and the diagonal rod 7 is connected with the bottom of the steel beam 2 through the damping supporting plate 10.
This application is through being connected between 7 bearing structure of diagonal bar and steel column 1, the girder steel 2 to adopt shock-absorbing structure, can reduce 7 supporting of diagonal bar and to the reaction force of steel column 1 and girder steel 2 after the atress, protection bearing structure's rigid deformation and destruction.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (9)
1. A blast furnace cast house with a steel frame structure is characterized by comprising a steel frame unit, a cast-in-situ common concrete layer (3) and a heat-resistant concrete layer (4), wherein,
the steel frame unit comprises a steel beam (2) and a steel column (1), and the steel column (1) is configured as a cast house supporting column foundation; the steel beam (2) is connected with the steel beam (2) and the steel beam (2) is connected with the steel column (1) to form a cast house platform foundation;
the cast-in-situ common concrete layer (3) and/or the heat-resistant concrete layer (4) are coated on the outer side of the cast-in-situ common concrete layer to form a cast-in-situ concrete support column;
and the cast-in-situ common concrete layer (3) and/or the heat-resistant concrete layer (4) are coated on the cast-in-situ common concrete layer to form the cast-in-situ concrete platform.
2. A steel frame structured blast furnace cast house according to claim 1, wherein,
the cast-in-situ reinforced concrete cast-in-situ steel bar common concrete layer (3) and the heat-resistant concrete layer (4) are sequentially wrapped on the top surface of the cast-in-situ steel bar common concrete cast-in-situ steel bar cast-in-situ iron casting platform, and edge protection angle steels (5) are arranged at the top edges of the groove walls of the main groove (A), the iron groove (B), the slag groove (C) and the residual iron groove (D).
3. A steel frame structured blast furnace cast house according to claim 2, wherein,
an overhaul platform for casting the heat-resistant concrete layer (4) is arranged in the residual iron runner (D).
4. A steel frame structured blast furnace cast house according to claim 3, wherein,
the cast-in-situ reinforced concrete casting device is characterized in that the cast-in-situ reinforced concrete casting device comprises a cast-in-situ reinforced concrete casting platform, a cast-in-situ reinforced concrete casting platform and a cast-in-situ reinforced concrete casting platform, wherein the cast-in-situ reinforced concrete casting platform is characterized in that a swing chute movable area (E) is arranged on the cast-in-situ reinforced concrete casting platform, a cast-in-situ reinforced concrete common concrete layer (3) and a heat-resistant concrete layer (4) are sequentially wrapped on the top surface and the bottom surface of a cast-in-situ reinforced concrete casting platform foundation around the swing chute movable area (E), and edge protection angle steel (5) is arranged at the edge around the swing chute movable area (E).
5. A steel frame structured blast furnace cast house according to claim 4, wherein,
and a cast-in-situ reinforced common concrete layer (3) is arranged on the top surface of the casting house platform foundation far away from the main ditch (A), the iron ditch (B), the slag ditch (C), the residual iron ditch (D) and the swing chute movable area (E).
6. A steel frame structured blast furnace cast house according to any one of claims 1 to 5, wherein,
an anchor piece is fixedly arranged on a steel column (1) which forms the foundation of the cast house support column;
the anchoring piece is a steel bar component which is at least partially fixed on the steel column (1), and the other part of the anchoring piece protrudes and is far away from the surface of the steel column (1).
7. A steel frame structured blast furnace cast house according to any one of claims 1 to 5, wherein,
clamping plates (6) are symmetrically arranged on the side walls of the cast house support columns, and the clamping plates (6) can be fixedly connected through embedded parts embedded in the cast house support columns;
the clamping plate (6) is fixedly connected with one end of the inclined rod (7), and the other end of the inclined rod (7) is fixedly connected with the bottom of the steel beam (2) of the cast house platform, which is fixedly connected with the clamping plate (6).
8. A steel frame structured blast furnace cast house according to claim 7, wherein,
the clamping plate (6) is provided with a groove (8), the lower end of the inclined rod (7) is sleeved with a damping sleeve (9), and the damping sleeve (9) is located in the groove (8).
9. A steel frame structured blast furnace cast house according to claim 7, wherein,
the bottom of a steel beam (2) of the cast house platform is provided with a damping supporting plate (10), and the diagonal rod (7) is connected with the bottom of the steel beam (2) through the damping supporting plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320809022.7U CN219471678U (en) | 2023-04-12 | 2023-04-12 | Blast furnace cast house with steel frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320809022.7U CN219471678U (en) | 2023-04-12 | 2023-04-12 | Blast furnace cast house with steel frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219471678U true CN219471678U (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320809022.7U Active CN219471678U (en) | 2023-04-12 | 2023-04-12 | Blast furnace cast house with steel frame structure |
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|---|---|
| CN (1) | CN219471678U (en) |
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- 2023-04-12 CN CN202320809022.7U patent/CN219471678U/en active Active
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