CN112900162A - Converter furnace lower track foundation structure and construction method - Google Patents
Converter furnace lower track foundation structure and construction method Download PDFInfo
- Publication number
- CN112900162A CN112900162A CN202110410152.9A CN202110410152A CN112900162A CN 112900162 A CN112900162 A CN 112900162A CN 202110410152 A CN202110410152 A CN 202110410152A CN 112900162 A CN112900162 A CN 112900162A
- Authority
- CN
- China
- Prior art keywords
- protective layer
- rail
- converter
- steel
- concrete layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
本发明公开了一种转炉炉下轨道基础结构及施工方法，铺设于转炉与钢包停放位置之间，基础结构包括混凝土层，混凝土层由高强度耐火浇注料浇筑而成；混凝土层的左右两侧均向上凸出形成凸起部，每个凸起部的顶部均固定安装有轨道钢梁，每个轨道钢梁上均铺设有钢轨，两条钢轨平行设置，且每条钢轨均沿钢包车的运行路径设置；凸起部的内侧面包覆设置有侧面防护层，混凝土层上设置有平面防护层，侧面防护层和平面防护层固定连接；本发明通过在转炉与钢包停放位置之间铺设有基础结构，通过该侧面防护层和平面防护层可以防止铲车在清理炉渣时破坏基础结构，进而保证基础结构不受破损，为钢包车提供稳定的形成轨道。
The invention discloses a basic structure of a lower track of a converter furnace and a construction method, which are laid between the converter and the parking position of the ladle. The basic structure includes a concrete layer, and the concrete layer is made of high-strength refractory castables; All of them protrude upwards to form a raised part, the top of each raised part is fixedly installed with a rail steel beam, each rail steel beam is laid with a steel rail, the two rails are arranged in parallel, and each rail is along the running path of the ladle car The inner surface of the raised part is covered with a side protective layer, a plane protective layer is arranged on the concrete layer, and the side protective layer and the plane protective layer are fixedly connected; the present invention lays a basic structure between the converter and the ladle parking position. The side protective layer and the plane protective layer can prevent the forklift from damaging the basic structure when cleaning the slag, thereby ensuring that the basic structure is not damaged, and providing a stable formation track for the ladle car.
Description
Technical Field
The invention belongs to the technical field of converter foundation structures, and particularly relates to a converter lower track foundation structure and a construction method.
Background
The converter is the main equipment in the steel-making process, and the converter takes molten iron, scrap steel, ferroalloy and the like as main raw materials, and utilizes the heat energy of the molten iron and the chemical reaction among all components to complete the steel-making process in the converter. When the steel making is completed, the converter is rotated to pour the molten steel into the ladle from the outlet on the side surface of the converter. The ladle is carried by a ladle car and moves between a converter and a ladle parking position, so that the molten steel is transported.
In the process of transporting molten steel, because the ladle is open, the molten steel in the ladle is easy to spill, and in addition, slag can also be splashed in the converter steelmaking process, so that a forklift can be used for cleaning the splashed molten steel and slag, but the forklift is easy to cause damage to a foundation structure during cleaning, and further can cause potential safety hazards to the operation of the ladle car, and even can cause great safety accidents such as ladle overturning.
Disclosure of Invention
The invention aims to provide a converter furnace lower track foundation structure and a construction method, which are paved between a ladle parking position and a converter, prevent a forklift for cleaning molten steel and slag from being damaged and provide a safe path for the ladle forklift.
The invention adopts the following technical scheme: a foundation structure of a lower track of a converter is laid below an operation track of a buggy ladle under the converter and comprises a concrete layer, wherein the concrete layer is formed by pouring high-strength refractory castable;
the left side and the right side of the concrete layer are both upwards protruded to form protruding parts, a track steel beam is fixedly mounted at the top of each protruding part, steel rails are laid on each track steel beam, the two steel rails are arranged in parallel, and each steel rail is arranged along the running path of the buggy ladle;
the inner side surface of the protruding portion is coated with a side surface protective layer, a plane protective layer is arranged on the concrete layer, and the side surface protective layer is fixedly connected with the plane protective layer.
Furthermore, the plane protective layer consists of a plurality of continuous casting slabs which are connected with each other, a connecting plate is arranged between every two adjacent continuous casting slabs, the connecting plate is a vertically arranged continuous casting slab, and the bottom end of the connecting plate extends into the concrete layer;
the side protective layer is a vertically arranged continuous casting plate blank and is welded with the plane protective layer.
Furthermore, the top surface of the bulge is a plane, and the top surface is used for fixedly mounting the rail steel beam.
Further, the inner side surface of the convex part is a plane.
Further, the track steel beam comprises a first flat plate fixedly mounted on the top surface of the protruding portion, a vertical plate is arranged on the first flat plate, and a second flat plate is arranged on the vertical plate.
Furthermore, the steel rail is fixed on the second flat plate, and the direction of the axis of the steel rail is consistent with that of the axis of the vertical plate.
Furthermore, the embedded rag bolt that is provided with in the bellying, rag bolt's bottom is the kink.
The other technical scheme of the invention is as follows: a construction method of a converter furnace lower track foundation structure comprises the following steps:
constructing a foundation under a ladle car running track under the converter furnace;
pouring a concrete layer on the foundation by adopting a high-strength refractory castable; when the protruding part is poured, foundation bolts are embedded in advance, and an installation groove is reserved in the concrete layer;
installing a plane protective layer and a side protective layer on the concrete layer and the inner side surface of the bulge part; when the plane protective layer is installed, a connecting plate is installed between two adjacent continuous casting slabs, and the bottom of the connecting plate is placed in the reserved installation groove;
installing a rail steel beam on the top surface of the boss through foundation bolts;
and a steel rail is arranged on the top of the rail steel beam.
The invention has the beneficial effects that: according to the invention, the foundation structure is laid between the converter and the steel ladle parking position, and the side protective layer and the plane protective layer are additionally arranged on the foundation structure, so that the foundation structure can be prevented from being damaged when the forklift cleans slag, the foundation structure is further prevented from being damaged, and a stable forming track is provided for the steel ladle car.
Drawings
FIG. 1 is a basic structure of a converter furnace lower track and a construction method thereof according to an embodiment of the present invention.
Wherein: 1. a steel rail; 2. a rail steel beam; 3. a concrete layer; 4. a side protective layer; 5. a connecting plate; 6. and (4) a plane protective layer.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings and the detailed description
The invention discloses a basic structure of a lower track of a converter, which is laid between a converter and a ladle parking position, namely below an operation track of a buggy ladle under the converter as shown in figure 1. The foundation structure comprises a concrete layer 3, and the concrete layer is formed by pouring high-strength refractory castable; the left side and the right side of the concrete layer are both upwards protruded to form protruding parts, a rail steel beam 2 is fixedly mounted at the top of each protruding part, steel rails 1 are laid on each rail steel beam 2, the two steel rails 1 are arranged in parallel, and each steel rail 1 is arranged along the running path of the buggy ladle; the inner side surface of the protruding part is coated with a side protective layer 4, a plane protective layer 6 is arranged on the concrete layer 3, and the side protective layer 4 is fixedly connected with the plane protective layer 6.
According to the invention, the foundation structure is laid between the converter and the steel ladle parking position, and the side protective layer and the plane protective layer are additionally arranged on the foundation structure, so that the foundation structure can be prevented from being damaged when the forklift cleans slag, the foundation structure is further prevented from being damaged, and a stable forming track is provided for the steel ladle car.
When the left side and the right side of the concrete layer are protruded upwards, a concave pit is formed in the middle, and the concave pit can be used for temporarily storing steel slag generated by smelting of the converter.
In the embodiment of the invention, the plane protective layer 6 consists of a plurality of continuous casting slabs which are connected with each other, a connecting plate 5 is arranged between two adjacent continuous casting slabs, the connecting plate 5 is a vertically arranged continuous casting slab, and the bottom end of the connecting plate 5 extends into the concrete layer 3; the side protective layer 4 is a vertically arranged continuous casting slab and is welded with the plane protective layer 6. The continuous casting slab is the steel billet in the steelmaking process, and in this embodiment, in order to guarantee safety, the thickness of the continuous casting slab that adopts is greater than 100mm, and the width is the continuous casting slab between 400 ~ 500mm, can avoid the destruction of forklift. And, through the setting of connecting plate 5, can make continuous casting slab and concrete layer 3 form whole, further increase the intensity of this foundation structure.
In the embodiment of the invention, the top surface of the bulge part is a plane, the top surface is used for fixedly mounting the rail steel beam 2, the plane is more beneficial to mounting the steel beam 2, and the stress uniformity can be improved. In addition, the surface of the convex part facing to the other convex part is defined as an inner side sheet, the inner side surface of the convex part is a plane, and the continuous casting slab is a flat plate and is thick, so that the shape is difficult to modify, and the tightness between the continuous casting slab and the inner side surface of the convex part can be increased through the inner side surface of the plane.
In the embodiment of the invention, because the rail steel beam 2 needs to bear load, in order to ensure the safety performance, the rail steel beam is made of section steel, such as a steel billet with the thickness of more than 100 mm. The lifting device comprises a first flat plate fixedly mounted on the top surface of the boss, a vertical plate is arranged on the first flat plate, and a second flat plate is arranged on the vertical plate. Pre-buried rag bolt that is provided with in the bellying, rag bolt's bottom is the kink, increases joint strength. The vertical plate is adopted, so that an operation space can be formed between the first flat plate and the second flat plate, and the foundation bolt and the first flat plate can be conveniently installed. The steel rail 1 is fixed on the second flat plate, the direction of the axis of the steel rail 1 is consistent with that of the axis of the vertical plate, and the bearing capacity of the steel rail 2 can be improved.
The invention also discloses a construction method of the converter lower track foundation structure, which comprises the following steps: constructing a foundation under a ladle car running track under a converter, namely constructing a foundation between the converter and a ladle parking position; a concrete layer 3 is poured on the foundation by adopting a high-strength refractory castable; wherein, when the bulge is poured, foundation bolts are pre-embedded, and an installation groove is reserved on the concrete layer 3; installing a plane protective layer 6 and a side protective layer 4 on the concrete layer 3 and the inner side surface of the convex part; when the plane protective layer 6 is installed, a connecting plate 5 is installed between two adjacent continuous casting slabs, and the bottom of the connecting plate 5 is placed in a reserved installation groove; installing a rail steel beam 2 on the top surface of the boss through foundation bolts; and a steel rail 1 is arranged on the top of the rail steel beam 2.
By the method, a firm foundation can be constructed between the converter and the steel ladle parking position, and the damage to the bulge part caused when the forklift cleans slag is prevented, so that the buggy ladle runs stably.
Claims (8)
1. The foundation structure of the lower track of the converter is characterized by being laid below an operation track of a buggy ladle under the converter and comprising a concrete layer (3), wherein the concrete layer is formed by pouring high-strength refractory castable;
the left side and the right side of the concrete layer are both upwards protruded to form protruding parts, a track steel beam (2) is fixedly mounted at the top of each protruding part, steel rails (1) are laid on each track steel beam (2), the two steel rails (1) are arranged in parallel, and each steel rail (1) is arranged along the running path of the buggy ladle;
the inner side surface of the protruding portion is coated with a side protective layer (4), a plane protective layer (6) is arranged on the concrete layer (3), and the side protective layer (4) is fixedly connected with the plane protective layer (6).
2. The converter furnace lower track foundation structure according to claim 1, characterized in that the planar protective layer (6) is composed of a plurality of continuous casting slabs connected with each other, a connecting plate (5) is arranged between two adjacent continuous casting slabs, the connecting plate (5) is a vertically arranged continuous casting slab, and the bottom end of the connecting plate (5) extends into the concrete layer (3);
the side protective layer (4) is a vertically arranged continuous casting plate blank and is welded with the plane protective layer (6).
3. The converter furnace lower rail infrastructure of claim 2, characterized in that the top surface of the protruding portion is a flat surface, and the top surface is used for fixedly mounting the rail steel beam (2).
4. The basic structure of the converter furnace lower rail according to claim 3, wherein the inner side surface of the protrusion is a flat surface.
5. The converter furnace lower rail infrastructure of any one of claims 2-4, characterized in that the rail steel beam (2) comprises a first flat plate fixedly mounted on the top surface of the boss, the first flat plate is provided with an upright plate, and the upright plate is provided with a second flat plate.
6. A foundation structure of a converter furnace lower track according to claim 5, characterized in that the steel rail (1) is fixed on the second flat plate, and the axis of the steel rail (1) is consistent with the axis of the vertical plate.
7. The basic structure of the converter furnace lower rail according to claim 6, wherein anchor bolts are embedded in the protruding portions, and the bottom of each anchor bolt is a bent portion.
8. A construction method of a converter lower track foundation structure is characterized by comprising the following steps:
constructing a foundation under a ladle car running track under the converter furnace;
a concrete layer (3) is poured on the foundation by adopting a high-strength refractory castable; when the protruding part is poured, foundation bolts are embedded in advance, and an installation groove is reserved in the concrete layer (3);
mounting a plane protective layer (6) and a side protective layer (4) on the concrete layer (3) and the inner side surface of the bulge; when the plane protective layer (6) is installed, a connecting plate (5) is installed between two adjacent continuous casting slabs, and the bottom of the connecting plate (5) is placed in the reserved installation groove;
installing a rail steel beam (2) on the top surface of the boss through the foundation bolt;
and a steel rail (1) is arranged at the top of the rail steel beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410152.9A CN112900162A (en) | 2021-04-16 | 2021-04-16 | Converter furnace lower track foundation structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410152.9A CN112900162A (en) | 2021-04-16 | 2021-04-16 | Converter furnace lower track foundation structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112900162A true CN112900162A (en) | 2021-06-04 |
Family
ID=76110528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110410152.9A Pending CN112900162A (en) | 2021-04-16 | 2021-04-16 | Converter furnace lower track foundation structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112900162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564302A (en) * | 2021-08-18 | 2021-10-29 | 阳春新钢铁有限责任公司 | Converter stove lower track bottom plate mounting structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838967A (en) * | 2009-12-30 | 2010-09-22 | 中铁八局集团有限公司 | Construction technology of ballast bed of bridge double-block ballastless track |
| JP2013001635A (en) * | 2011-06-21 | 2013-01-07 | Sumikin Recotech Co Ltd | Method for producing track bed ballast material |
| CN203371033U (en) * | 2013-06-14 | 2014-01-01 | 鞍钢集团工程技术有限公司 | Connecting structure of ladle car track and foundation |
| CN203411565U (en) * | 2013-06-14 | 2014-01-29 | 冷水江钢铁有限责任公司 | U-shaped cast iron plate for slag channel below steelmaking converter stand |
| CN215104293U (en) * | 2021-04-16 | 2021-12-10 | 陕西龙门钢铁有限责任公司 | Converter stove lower track foundation structure |
-
2021
- 2021-04-16 CN CN202110410152.9A patent/CN112900162A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838967A (en) * | 2009-12-30 | 2010-09-22 | 中铁八局集团有限公司 | Construction technology of ballast bed of bridge double-block ballastless track |
| JP2013001635A (en) * | 2011-06-21 | 2013-01-07 | Sumikin Recotech Co Ltd | Method for producing track bed ballast material |
| CN203371033U (en) * | 2013-06-14 | 2014-01-01 | 鞍钢集团工程技术有限公司 | Connecting structure of ladle car track and foundation |
| CN203411565U (en) * | 2013-06-14 | 2014-01-29 | 冷水江钢铁有限责任公司 | U-shaped cast iron plate for slag channel below steelmaking converter stand |
| CN215104293U (en) * | 2021-04-16 | 2021-12-10 | 陕西龙门钢铁有限责任公司 | Converter stove lower track foundation structure |
Non-Patent Citations (1)
| Title |
|---|
| 冶金工业部武汉钢铁设计研究院: "冶金工业工业炉基础设计规程 YS15-79 试行", 30 April 1982, 冶金工业出版社, pages: 202 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564302A (en) * | 2021-08-18 | 2021-10-29 | 阳春新钢铁有限责任公司 | Converter stove lower track bottom plate mounting structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021078310A1 (en) | Method for removal of temporary support system for road bridge pre-fabricated small box girder-type concealed bent cap, and equipment therefor | |
| US6473446B2 (en) | Electric furnace for steel making | |
| CN215104293U (en) | Converter stove lower track foundation structure | |
| US6389054B1 (en) | Scrap charger | |
| CN220166218U (en) | Blast furnace cast house slag iron runner retaining wall structure | |
| CN204265790U (en) | The device of converter platform and slag car duplex technique | |
| CN211489605U (en) | Tundish impact area combined prefabricated part and tundish impact area | |
| CN208455011U (en) | A blast furnace slag iron trench invisible cover | |
| CN110714105B (en) | Liquid steel slag retaining wall of converter with long service life | |
| CN108442235B (en) | Connection structure and construction method between prefabricated bridge piers and caps | |
| CN217149734U (en) | Practical track foundation structure under stove | |
| CN218932204U (en) | Slag guiding device under converter | |
| CN116606973B (en) | A slag ditch retaining wall structure for blast furnace iron-making site | |
| CN220376166U (en) | Crane plate hook beam heat insulation plate | |
| CN219363682U (en) | Iron runner supporting integral prefabricated member | |
| CN111349744A (en) | Method for cleaning steel slag under converter | |
| CN220560404U (en) | Refractory prefabricated brick for ladle bottom impact zone | |
| CN203411565U (en) | U-shaped cast iron plate for slag channel below steelmaking converter stand | |
| CN224157745U (en) | Equipment for manufacturing casting slag pots | |
| CN222648007U (en) | Blast furnace stokehold heat insulating board convenient to maintain | |
| CN218146767U (en) | Blast furnace branch iron runner precast block | |
| CN217677614U (en) | Corrosion-resistant blast furnace iron runner | |
| CN219239684U (en) | Iron runner skimming tool | |
| CN114058750B (en) | Lap joint method for new and old foundations of whole horizontal moving of blast furnace | |
| JP2008100836A (en) | Ladle crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210604 |
|
| RJ01 | Rejection of invention patent application after publication |