Blast furnace ore coke tank structure convenient to construct

Abstract

The utility model belongs to the technical field of building structures, and relates to a blast furnace ore coke groove structure convenient to construct, which comprises a plurality of frame columns and stock bin vertical walls respectively arranged between two adjacent frame columns, a plurality of brackets are arranged on the stock bin vertical walls, and a stock bin steel funnel is arranged on the brackets by adopting an equipment type structure; and a groove surface platform is further built on the vertical wall of the stock bin after the steel funnel is hoisted. Compared with a traditional concrete structural form, the difficulty of binding funnel steel bars is avoided; the quality problem of the concrete funnel is avoided; the difficulty of erecting a scaffold on the inclined wall of the funnel is avoided; the number of scaffolds is effectively reduced; the construction difficulty is obviously reduced, and the construction period is shortened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building structure, and relates to a blast furnace ore bunker structure convenient for construction. BACKGROUND

[0002] The ore bunker is an important place for realizing storage, feeding, screening and weighing in the modern blast furnace smelting process. The ore bunker is mainly divided into a platform under the tank, a tank body and a platform on the tank. The platform under the tank is mainly used for screening and weighing, the tank body is mainly used for storage, and the tank surface is mainly used for feeding. Since most modern blast furnaces have a large volume, the storage capacity of the ore bunker needs to be matched, the tank body has a large volume, the funnel slope has many reinforcement bars, and the anchoring of the steel reinforcement structure is complex, which leads to great difficulty in the construction of the funnel scaffold, formwork and binding of the reinforcement. A plurality of belt conveyors need to be arranged on the tank surface, which leads to a large cantilever width of the tank surface platform. The tank body has a large volume, the tank surface platform is high, and the construction scaffold needs to be erected on the bunker funnel, which is difficult to erect. Overall, the traditional concrete structure form of the ore bunker has great construction difficulty and a long construction period. SUMMARY

[0003] Therefore, the utility model aims at providing a blast furnace ore bunker structure convenient for construction to solve the problems of great construction difficulty and long construction period of the ore bunker.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a blast furnace ore bunker structure convenient for construction, which comprises a plurality of frame columns and a bunker vertical wall arranged between adjacent two frame columns, a plurality of corbels are arranged on the bunker vertical wall, a bunker steel funnel is installed on the corbels in a fabricated structure, and a tank surface platform is erected on the bunker vertical wall after the steel funnel is hoisted.

[0005] Optionally, the bunker steel funnel is an integral structure formed in a factory, and a steel backing plate is arranged on a contact installation surface of the bunker steel funnel and the corbel.

[0006] Optionally, the tank surface platform adopts a fabricated structure, which comprises a tank surface steel beam and a profiled steel plate laid on the tank surface steel beam.

[0007] Optionally, the tank surface steel beam comprises a tank surface main beam and a tank surface secondary beam, and the tank surface main beam and the tank surface secondary beam are connected through high-strength bolts or welds and are connected with a bunker vertical wall embedded part.

[0008] Optionally, the profiled steel plate is arranged along the short span direction of the main beam and the secondary beam, and the profiled steel plate is fixed at the tank surface steel beam through pegs.

[0009] Optionally, after the profiled steel plate is laid, a plate steel bar is laid, a reserved embedded part is laid, and finally, concrete is poured after the concealed work is accepted.

[0010] Optionally, the profiled steel plate is welded with a steel bar head to serve as a shear member.

[0011] The utility model discloses a beneficial effect lies in: the utility model discloses a kind of blast furnace ore coke chute structure convenient to construction, by bin hopper using assembly type steel structure, the structure form of groove face platform using assembly type combined structure, solve the problem of ore coke chute bin construction difficulty, long construction cycle.

[0012] Other advantages, objects and features of the present application will be apparent from the following specification, and will be learned by those skilled in the art based on the study of the following, or can be taught from the practice of the present application. The objects and other advantages of the present application can be achieved and obtained by the following specification. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to make the purpose, technical scheme and advantage of the utility model more clear, the preferred detailed description of the utility model will be combined with the drawings below, wherein:

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the ore coke chute bin plane schematic diagram of the utility model;

[0016] Figure 3 It is the sectional view of the utility model;

[0017] Figure 4 It is the groove face steel beam laying schematic diagram of the utility model;

[0018] Figure 5 It is the profiled steel sheet laying schematic diagram of the utility model.

[0019] Reference signs: frame column 0, bin vertical wall 1, corbel 2, bin steel hopper 3, groove face steel beam 4, groove face profiled steel sheet 5. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described below through specific concrete examples, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure of the specification. The present application can also be implemented or applied in another different specific embodiment, and each detail in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application. It should be noted that the drawings provided in the following examples only illustrate the basic concept of the present application in a schematic manner, and the following examples and features in the examples can be combined with each other without conflict.

[0021] Among them, the drawings are only used for example, the representation is only a schematic diagram, and cannot be understood as a limitation on the utility model; in order to better illustrate the embodiments of the utility model, some components of the drawings will be omitted, enlarged or reduced, and the size of the actual product is not represented; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings can be omitted.

[0022] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear" and the like is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element referred to must have a particular orientation, a particular orientation and operation, therefore, the position relationship described in the drawings is only used for example, and cannot be understood as a limitation on the utility model, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0023] Please refer to Figures 1-5 , as Figures 1-5 shown, the high furnace ore bunker structure convenient for construction of the embodiment, including a plurality of frame columns 0 and the vertical wall 1 of the bin arranged between the adjacent two frame columns 0 respectively. A plurality of corbels 2 are arranged on the vertical wall 1 of the bin, for supporting the bin steel hopper 3; the vertical wall 1 of the bin is provided with a gap. The bin steel hopper 3 is installed on the corbel 2 in a fabricated structure, and the fabricated structure makes the installation and disassembly of the bin steel hopper 3 more convenient, thereby improving the construction efficiency.

[0024] The bin steel hopper 3 is an integral molding structure of a factory, and a steel backing plate is arranged on the mounting surface thereof in contact with the corbel 2, so as to increase the flatness and stability of the contact surface. After the hoisting of the bin steel hopper 3 is completed, a groove platform is also built on the vertical wall 1 of the bin, which provides a safe working environment for the construction personnel.

[0025] The groove platform adopts a fabricated structure, specifically including a groove steel beam 4 and a profiled steel plate 5 laid on the groove steel beam 4. The groove steel beam 4 is composed of a groove main beam and a groove secondary beam, which are connected through high-strength bolts or welds, and are firmly connected with the embedded parts of the vertical wall 1 of the bin, so as to ensure the stability and safety of the platform.

[0026] The profiled steel plate 5 is arranged along the short-span direction of the main and secondary beams, and is fixed at the groove steel beam 4 through pegs, so as to enhance the connection strength between the profiled steel plate 5 and the groove steel beam 4. After the profiled steel plate 5 is laid, steel bars are also laid, and embedded parts are reserved, and after the concealed engineering is passed, finally, the concrete is poured, so as to further improve the bearing capacity and durability of the groove platform.

[0027] In addition, in order to enhance the bonding force between the profiled steel sheet 5 and the concrete, the embodiment also welds the reinforcement head on the profiled steel sheet 5 as a shear member, effectively preventing the slip between the profiled steel sheet 5 and the concrete.

[0028] The construction process of the utility model is:

[0029] Pouring frame and vertical wall: first, pouring the frame column 0 and the vertical wall 1 of the bunker between the adjacent two frame columns 0, and the pouring height reaches the designed support steel funnel bracket 2 elevation position. This step provides the necessary support structure for the subsequent installation of the bunker steel funnel 3.

[0030] Processing plant produces bunker steel funnel: while pouring and curing the bunker vertical wall 1, start producing the bunker steel funnel 3 in the processing plant. The bunker steel funnel 3 adopts factory integrated molding technology to ensure its structural integrity and installation accuracy.

[0031] Hoisting the bunker steel funnel: after the on-site pouring of the bracket 2 is cured to meet the design requirements, the bunker steel funnel 3 produced in the processing plant is hoisted to the corresponding bracket 2, and fixed and installed.

[0032] Continue to pour the bunker vertical wall to the slot surface: after the hoisting of the bunker steel funnel 3 is completed, continue to pour the bunker vertical wall 1 until the design elevation of the slot surface is reached. This step provides the basis for the subsequent construction of the slot surface platform.

[0033] Processing plant produces slot surface steel beam: while pouring and curing the bunker vertical wall 1, start producing the slot surface steel beam 4 in the processing plant. The slot surface steel beam 4 includes the slot surface main beam and the slot surface secondary beam, which will be assembled into the slot surface platform in the subsequent steps.

[0034] Hoisting the slot surface steel beam: after the secondary pouring of the bunker vertical wall 1 is cured, the slot surface steel beam 4 produced in the processing plant is hoisted to the designated position, and is connected and fixed with the embedded parts of the bunker vertical wall 1 through high-strength bolts or welds.

[0035] Laying the slot surface profiled steel sheet: after the hoisting of the slot surface steel beam 4 is completed, lay the slot surface profiled steel sheet 5 along the short span direction, and fix it on the slot surface steel beam 4 through the stud.

[0036] Binding the plate reinforcement and pouring the concrete: after the laying of the profiled steel sheet 5 is completed, the plate reinforcement is bound. After the reinforcement binding is completed, the concrete is poured to form a solid slot surface platform.

[0037] The blast furnace ore and coke chute structure convenient for construction of the embodiment significantly reduces the construction difficulty, shortens the construction period, improves the construction efficiency, and provides a new solution for the construction of the blast furnace ore and coke chute.

[0038] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A blast furnace ore and coke chute structure which facilitates construction, characterized by: The silo vertical wall is provided with a plurality of corbels, and the silo steel funnel is installed on the corbels in a fabricated structure; The silo vertical wall is provided with a plurality of corbels, and the silo steel funnel is installed on the corbels in a fabricated structure; 2. A blast furnace ore and coke chute structure facilitating construction according to claim 1, characterized in that: The silo steel funnel is an integrally formed structure in a factory, and a steel pad plate is arranged on a contact installation surface of the silo steel funnel and the corbels.

3. A blast furnace ore and coke chute structure facilitating construction according to claim 1, characterized in that: The trough platform adopts a fabricated structure, and includes a trough steel beam and a profiled steel plate laid on the trough steel beam.

4. A blast furnace ore and coke chute structure facilitating construction according to claim 3, characterized in that: The trough steel beam includes a trough main beam and a trough secondary beam, and the trough main beam and the trough secondary beam are connected through high-strength bolts or welds and are connected with a silo vertical wall embedded part.

5. A blast furnace ore and coke chute structure facilitating construction according to claim 3, characterized in that: The profiled steel plate is arranged along a short span direction of the main beam and the secondary beam, and the profiled steel plate is fixed through pegs at the trough steel beam.

6. A blast furnace ore and coke chute structure facilitating construction according to claim 3, characterized in that: After the profiled steel plate is laid, a plate steel bar is laid, a reserved embedded part is laid, and after a concealed work acceptance is qualified, concrete is finally poured.

7. A blast furnace ore and coke chute structure facilitating construction according to claim 6, characterized in that: The profiled steel plate welds a steel bar head to serve as a shear member.

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