CN110819762A

CN110819762A - Scrap steel bucket structure for furnace steelmaking

Info

Publication number: CN110819762A
Application number: CN201910920999.4A
Authority: CN
Inventors: 黄荣敏
Original assignee: Ma'anshan Longteng Electromechanical Technology Co Ltd
Current assignee: Ma'anshan Longteng Electromechanical Technology Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-02-21

Abstract

The invention discloses a steel scrap bucket structure for steelmaking, which comprises a base and a steel scrap bucket, wherein the steel scrap bucket is placed in the base by using supporting legs at the lower end, a preheating boiler is erected at the middle position in the base, a combustion groove is arranged in the steel scrap bucket, an inner airflow layer is arranged on the inner surface of the steel scrap bucket, a plurality of groups of combustion nozzles are arranged on the inner wall of the inner airflow layer in an extending manner towards the interior of the combustion groove, an air pipe is arranged on the outer side surface of the steel scrap bucket and communicated with the inner airflow layer, and two groups of baffles are symmetrically arranged on two sides in the combustion groove. According to the scrap steel bucket structure for steelmaking of the furnace, the lifting cylinder drives the connecting rod and the plurality of groups of supporting rods to move up and down, and the clamping hook can lift up and put down a plurality of scrap steels, so that the combustion uniformity is improved, the internal air circulation is facilitated, and the auxiliary fuel is fully utilized, so that the smelting effect is improved, the scrap steel bucket structure is suitable for different working conditions, and a better use prospect is brought.

Description

Scrap steel bucket structure for furnace steelmaking

Technical Field

The invention relates to the field of scrap steel treatment, in particular to a scrap steel bucket structure for furnace steelmaking.

Background

Scrap steel refers to steel waste materials (such as trimming, end cutting and the like) which cannot become products in the production process of steel plants and steel materials in used and scrapped equipment and components, and the steel waste materials are called steel scrap; the proportion of scrap steel can be reduced in the smelting of scrap steel in the scrap steel fill, be convenient for recycle again, but a large amount of scrap steel are piled up together, be unfavorable for the burning, the cover of flame and the promotion of temperature influence the treatment effeciency of scrap steel, the scrap steel simultaneously, the scrap steel fill is all cold-state after blowing in the mist, if not through preheating, can influence subsequent intensification, extravagant combustible gas, certain adverse effect has been brought in the use, for this reason, we propose a stove for steelmaking scrap steel fill structure.

Disclosure of Invention

The invention mainly aims to provide a scrap steel bucket structure for steelmaking of a furnace, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a scrap steel bucket structure for steelmaking of a furnace comprises a base and a scrap steel bucket, wherein the scrap steel bucket is placed in the base by using supporting legs at the lower end, a preheating boiler is erected in the middle of the inside of the base, a combustion groove is arranged in the waste steel bucket, an inner airflow layer is arranged on the inner surface of the scrap steel bucket, a plurality of groups of burners are arranged on the inner wall of the inner airflow layer in an extending way towards the inside of the combustion groove, the outer side surface of the scrap steel bucket is communicated with the inner airflow layer and is provided with an air pipe, two groups of baffles are symmetrically arranged on two sides in the combustion groove, a cover plate is movably arranged on the upper end surface of the scrap steel bucket, a cylinder is fixedly arranged in the middle of the upper end surface of the cover plate, the lower extreme activity of cylinder is provided with the lifter, lifter and connecting rod joint, the outside symmetrical welding of connecting rod has a plurality of groups branch, utilize the hinge portion symmetry to articulate on the branch to have the pothook.

Preferably, the outer side surface of the scrap steel bucket is provided with a heat conduction layer, and the preheating boiler is located between the supporting legs.

Preferably, an igniter is arranged in the burner, and a mixed gas of coal gas and oxygen is introduced into the gas pipe.

Preferably, the side of the cover plate is provided with a pressure release hole, and the lifting rod can drive the connecting rod and the plurality of groups of supporting rods to move up and down.

The invention provides a scrap steel bucket structure for steelmaking in a furnace through improvement, which has the following remarkable improvements and advantages compared with the prior art:

(1) the lifting cylinder drives the connecting rod and the plurality of groups of supporting rods to move up and down, the clamping hook can lift up and put down a plurality of steel scraps, on one hand, the combustion uniformity is improved, on the other hand, the inside air circulation is convenient, and the fuel is fully utilized, so that the smelting effect is improved.

(2) The preheating boiler is used for burning and preheating the scrap steel hopper, so that the temperature rise in the hopper is facilitated, and the unnecessary waste of combustible gas is reduced.

(3) Whole structural design is simple, convenient operation, and reduction in production cost improves the steel scrap utilization ratio, and the effect of use is better for traditional mode.

Drawings

FIG. 1 is a schematic view showing the overall structure of a scrap box structure for steelmaking in a furnace according to the present invention;

FIG. 2 is a detailed structure diagram of a supporting rod of a scrap steel bucket structure for steelmaking in a furnace.

In the figure: 1. a base; 2. a scrap steel hopper; 3. a support leg; 4. preheating a boiler; 5. a combustion tank; 6. an inner gas flow layer; 7. a burner tip; 8. an air tube; 9. a baffle plate; 10. a cover plate; 11. a cylinder; 12. a lifting rod; 13. a connecting rod; 14. a strut; 15. a hinge portion; 16. a hook; 17. a pressure relief vent.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figure 1-2, a steel scrap bucket structure for steelmaking comprises a base 1 and a steel scrap bucket 2, wherein the steel scrap bucket 2 is placed in the base 1 by using a support leg 3 at the lower end, a preheating boiler 4 is erected at the middle position inside the base 1, a combustion groove 5 is arranged inside the steel scrap bucket 2, an inner airflow layer 6 is arranged on the inner surface of the steel scrap bucket 2, a plurality of groups of combustion nozzles 7 are arranged on the inner wall of the inner airflow layer 6 in an extending manner towards the interior of the combustion groove 5, an air pipe 8 is arranged on the outer side surface of the steel scrap bucket 2 and communicated with the inner airflow layer 6, two groups of baffles 9 are symmetrically arranged on two sides inside the combustion groove 5 to block flame and prevent the flame from being overhigh, a cover plate 10 is movably arranged on the upper end surface of the steel scrap bucket 2, an air cylinder 11 is fixedly arranged at the middle position of the upper end surface of the cover plate 10, a lifting rod 12 is movably arranged at the, a plurality of groups of supporting rods 14 are symmetrically welded on the outer side of the connecting rod 13, and the supporting rods 14 are symmetrically hinged with clamping hooks 16 by using hinge parts 15;

the outer side surface of the scrap steel bucket 2 is provided with a heat conduction layer, and the preheating boiler 4 is positioned between the supporting legs 3; an igniter is arranged in the burner nozzle 7, and a mixed gas of coal gas and oxygen is introduced into the gas pipe 8; the side of the cover plate 10 is provided with a pressure release hole 17 for balancing the internal and external air pressure, and the lifting rod 12 can drive the connecting rod 13 and the plurality of groups of supporting rods 14 to move up and down.

The invention is to be noted that, the invention is a scrap steel bucket structure for steelmaking, when in use, scrap steel is put into a combustion groove 5, then a preheating boiler 4 is used for carrying out combustion preheating on a scrap steel bucket 2, mixed fuel gas is injected into an inner airflow layer 6 through an air pipe 8 after preheating, and a plurality of groups of combustion nozzles 7 are used for ignition, flame is generated to carry out high-temperature heating and smelting on the scrap steel in the combustion groove 5, at this time, an air cylinder 11 is started, a lifting rod 12 moves and drives a connecting rod 13 and a plurality of groups of supporting rods 14 to move up and down, a plurality of scrap steels can be lifted up and put down by a clamping hook 16, on one hand, the combustion uniformity is improved, on the other hand, the internal air circulation is convenient, and the full utilization of auxiliary fuel is realized, so that the smelting effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stove is steel making with steel scrap fill structure, includes base (1) and steel scrap fill (2), its characterized in that: the waste steel bucket (2) is placed in a base (1) by using supporting legs (3) at the lower end, a preheating boiler (4) is erected at the middle position inside the base (1), a combustion groove (5) is formed inside the waste steel bucket (2), an inner airflow layer (6) is arranged on the inner surface of the waste steel bucket (2), a plurality of groups of combustion nozzles (7) extend towards the interior of the combustion groove (5) from the inner wall of the inner airflow layer (6), an air pipe (8) is arranged on the outer side surface of the waste steel bucket (2) and communicated with the inner airflow layer (6), two groups of baffles (9) are symmetrically arranged on two sides inside the combustion groove (5), a cover plate (10) is movably arranged on the upper end surface of the waste steel bucket (2), an air cylinder (11) is fixedly arranged at the middle position of the upper end surface of the cover plate (10), and a lifting rod (12) is movably arranged at the lower end of the air cylinder (11), lifter (12) and connecting rod (13) joint, the outside symmetrical welding of connecting rod (13) has a plurality of groups branch (14), utilize hinge portion (15) symmetry to articulate on branch (14) to have pothook (16).

2. The scrap box structure for steelmaking by the furnace as claimed in claim 1, wherein: the outer side surface of the scrap steel bucket (2) is provided with a heat conduction layer, and the preheating boiler (4) is located between the supporting legs (3).

3. The scrap box structure for steelmaking by the furnace as claimed in claim 1, wherein: an igniter is arranged in the burner nozzle (7), and mixed gas of coal gas and oxygen is introduced into the gas pipe (8).

4. The scrap box structure for steelmaking by the furnace as claimed in claim 1, wherein: the side of the cover plate (10) is provided with a pressure release hole (17), and the lifting rod (12) can drive the connecting rod (13) and the plurality of groups of supporting rods (14) to move up and down.