CN219174529U

CN219174529U - Furnace top receiving hopper for blast furnace ironmaking

Info

Publication number: CN219174529U
Application number: CN202320208729.2U
Authority: CN
Inventors: 朱传昊
Original assignee: Huaian Hao Yuan Machinery Manufacturing Co ltd
Current assignee: Huaian Hao Yuan Machinery Manufacturing Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-06-13
Anticipated expiration: 2033-02-13

Abstract

The utility model relates to the technical field related to blast furnace ironmaking, in particular to a furnace top receiving hopper for blast furnace ironmaking, which comprises a plurality of lining plates with different shapes, wherein the plurality of lining plates are fixedly arranged on a receiving hopper shell through assembly, the gap between two adjacent lining plates is 3-5mm, and alumina ceramic glue is filled in the gap between the two adjacent lining plates; the structure of the lining plate is a steel plate layer, a rubber layer and a ceramic layer which are sequentially arranged, the traditional cast steel lining plate is improved into a lining plate, wherein the lining plate consists of the steel plate layer, the rubber layer and the ceramic layer which are sequentially arranged, and the surface hardness HRA of the alumina ceramic is more than or equal to 85, so that the lining plate has the function of wear resistance; the new material after ceramic rechecking has good impact resistance and stronger buffering property; solves the problem that the normal production is affected by equipment failure due to the fact that the cast steel lining plate is adopted by the traditional furnace top receiving hopper because of the low service life.

Description

Furnace top receiving hopper for blast furnace ironmaking

Technical Field

The utility model relates to the technical field related to blast furnace ironmaking, in particular to a furnace top receiving hopper for blast furnace ironmaking.

Background

Blast furnace ironmaking is an important link in the steel production process, and furnace top equipment is important equipment for blast furnace production. The furnace top receiving hopper is used for orderly feeding all raw fuel into the furnace for smelting.

The cast steel lining plate adopted by the traditional furnace top receiving hopper has the problems that the impact and abrasion of raw fuel such as coke, ore and the like to the receiving hopper are serious due to large material passing amount, and the service life of the receiving hopper is prolonged to be 8-10 months, so that equipment failure affects normal production.

Disclosure of Invention

The utility model aims to provide a furnace top receiving hopper for blast furnace ironmaking, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the furnace top receiving hopper for blast furnace ironmaking comprises a plurality of lining plate pieces with different shapes, wherein the plurality of lining plate pieces are fixedly arranged on a receiving hopper shell through assembly, the gap between two adjacent lining plate pieces is 3-5mm, and alumina ceramic glue is filled in the gap between the two adjacent lining plate pieces; the structure of the lining plate member is a steel plate layer, a rubber layer and a ceramic layer which are sequentially arranged.

The application further comprises the following technical scheme: the receiving hopper shell is symmetrically provided with two petals, and the two receiving hopper shells are detachably and fixedly connected through a fixed connection assembly.

The application further comprises the following technical scheme: the shell of the receiving hopper shell is provided with a supporting seat.

The application further comprises the following technical scheme: the end part of the receiving hopper shell is provided with a flange seat.

The application further comprises the following technical scheme: the lining plate comprises a first plate, a second plate, a third plate, a fourth plate, a fifth plate, a sixth plate, a seventh plate, an eighth plate, a ninth plate, a tenth plate, an eleventh plate, a twelfth plate, a thirteenth plate, a fourteenth plate, a fifteenth plate, a sixteenth plate, a seventeenth plate and an eighteenth plate.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

the utility model improves the traditional cast steel lining plate into a lining plate, wherein the lining plate consists of a steel plate layer, a rubber layer and a ceramic layer which are sequentially arranged, and the surface hardness HRA of the alumina ceramic is more than or equal to 85 and less than Jin Gangyu, so the wear-resistant effect is realized; the new material after ceramic rechecking has good impact resistance and stronger buffer property, so the material has the impact resistance; therefore, the whole furnace roof material receiving hopper has the functions of wear resistance and impact resistance, prolongs the service life, and solves the problem that the normal production is influenced due to equipment failure caused by the low service life because the cast steel lining plate is adopted by the traditional furnace roof material receiving hopper.

Drawings

FIG. 1 is a front view of a furnace top receiving hopper for blast furnace ironmaking provided by the utility model;

FIG. 2 is a top view of a furnace top receiving hopper for blast furnace ironmaking provided by the utility model;

FIG. 3 is a cross-sectional view of a furnace top receiving hopper for blast furnace ironmaking in a first perspective;

FIG. 4 is a cross-sectional view of a furnace top receiving hopper for blast furnace ironmaking in a second perspective provided by the utility model;

FIG. 5 is a cross-sectional view of a furnace top receiving hopper for blast furnace ironmaking in a third perspective provided by the utility model;

FIG. 6 is a schematic view of a plurality of shaped liner members provided in accordance with the present utility model;

FIG. 7 is a cross-sectional view of a liner member provided by the present utility model;

fig. 8 is a schematic view of a partial structure of an installed lining element provided by the utility model.

Reference numerals in the schematic drawings illustrate:

1. a first plate member; 2. a second plate member; 3. a third plate member; 4. a fourth plate member; 5. a fifth plate member; 6. a sixth plate member; 7. a seventh plate member; 8. an eighth plate member; 9. a ninth plate member; 10. a tenth plate member; 11. an eleventh plate member; 12. a twelfth plate member; 13. a thirteenth plate member; 14. a fourteenth plate member; 15. a fifteenth plate member; 16. a sixteenth plate member; 17. seventeenth plate member; 18. an eighteenth plate member; 19. a fixed connection assembly; 20. a flange seat; 21. a support base; 22. a liner member; 23. a receiving hopper shell; 24. a steel plate layer; 25. a rubber layer; 26. a ceramic layer; 27. alumina ceramic gel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, based on the embodiments of the present utility model are within the scope of the present utility model, and the present utility model is further described below with reference to the embodiments.

Referring to fig. 1-8, in one embodiment of the present application, a furnace top receiving hopper for blast furnace ironmaking includes a plurality of lining members 22 with different shapes, wherein a plurality of the lining members 22 are fixedly installed on a receiving hopper shell 23 in an assembling manner, and the fixing installation manner is that a gap between two adjacent lining members 22 is 3-5mm by welding or the like, and the gap between two adjacent lining members 22 is filled with alumina ceramic glue 27; the lining member 22 has a structure of a steel plate layer 24, a rubber layer 25 and a ceramic layer 26 which are sequentially arranged.

In one case of this embodiment, a supporting seat 21 is provided on the shell of the receiving hopper housing 23, and a flange seat 20 is provided at the end of the receiving hopper housing 23.

In the embodiment, the traditional cast steel lining plate is improved to be a lining plate piece 22, wherein the lining plate piece 22 is composed of a steel plate layer 24, a rubber layer 25 and a ceramic layer 26 which are sequentially arranged, the wear resistance and impact resistance are achieved, the surface hardness HRA of alumina ceramic is more than or equal to 85 and is only inferior to Jin Gangyu, and therefore the wear resistance is achieved; the new material after ceramic rechecking has good impact resistance and stronger buffer property, so the material has the impact resistance; the service life of the alloy is 5-6 times of that of manganese steel.

Preferably, after the assembly of the plurality of lining elements 22, the gaps between two adjacent lining elements 22 are filled with alumina ceramic glue 27, and the service life of the whole lifting force is prolonged.

In the present embodiment, if the overall thickness of the liner member 22 is 40mm, the thickness of the ceramic layer 26 is 30mm, the thickness of the steel plate layer 24 is 4mm, and the thickness of the rubber layer 25 is 6mm.

Referring to fig. 1, as a preferred embodiment of the present application, the receiving hopper shells 23 are symmetrically provided with two flaps, and the two receiving hopper shells 23 are detachably and fixedly connected through the fixing connection assembly 19.

In one case of this embodiment, the fixing connection assembly 19 includes a bolt, a nut and a washer which are matched to each other, and other connection members can be used for connection in practical application.

Referring to fig. 2-6, as a preferred embodiment of the present application, the lining member 22 includes a first plate member 1, a second plate member 2, a third plate member 3, a fourth plate member 4, a fifth plate member 5, a sixth plate member 6, a seventh plate member 7, an eighth plate member 8, a ninth plate member 9, a tenth plate member 10, an eleventh plate member 11, a twelfth plate member 12, a thirteenth plate member 13, a fourteenth plate member 14, a fifteenth plate member 15, a sixteenth plate member 16, a seventeenth plate member 17 and an eighteenth plate member 18.

In this embodiment, the plurality of lining members 22 having different shapes are designed and numbered in a modularized manner, which plays a role in convenient maintenance and replacement.

In the present embodiment, by a plurality of lining members 22 having different structures, the effect of being fully assembled on the inner wall of the receiving hopper housing 23 can be achieved,

in practical application, the laying sequence of the lining plate members 22 is shown in fig. 3-4-5, the lining plate members 22 are internally fixed by stud welding, the installation is firm, the lining plate members 22 cannot loosen and fall off, the same row of lining plate members 22 have equal heights, the height difference of the same row of lining plate members 22 cannot exceed 3mm during laying, all lining plates are required to be horizontally and vertically laid, the phenomenon that the lining plates are inclined and the like does not occur, the hopper shell 23 is required to be polished and leveled before laying, the height difference of the same side lining plate member 22 cannot exceed 3mm, the surface of the lining plate member 22 is required to be paid attention to in the process of laying the lining plate member 22, and the phenomenon that treads and the like do not occur.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The furnace top receiving hopper for blast furnace ironmaking is characterized by comprising a plurality of lining plates (22) with different shapes, wherein the plurality of lining plates (22) are fixedly arranged on a receiving hopper shell (23) through assembly, the gap between two adjacent lining plates (22) is 3-5mm, and the gap between two adjacent lining plates (22) is filled with alumina ceramic glue (27); the lining plate (22) is structurally characterized by comprising a steel plate layer (24), a rubber layer (25) and a ceramic layer (26) which are sequentially arranged.

2. The furnace top receiving hopper for blast furnace ironmaking according to claim 1, wherein the receiving hopper shell (23) is symmetrically provided with two petals, and the two receiving hopper shells (23) are detachably and fixedly connected through a fixed connecting assembly (19).

3. A furnace top receiving hopper for blast furnace ironmaking according to claim 1, characterized in that a supporting seat (21) is arranged on the outer shell of the receiving hopper shell (23).

4. A furnace top receiving hopper for blast furnace ironmaking according to claim 1, characterized in that the end of the receiving hopper shell (23) is provided with a flange seat (20).

5. A blast furnace top receiving hopper according to any of claims 1-4, wherein the lining element (22) comprises a first plate (1), a second plate (2), a third plate (3), a fourth plate (4), a fifth plate (5), a sixth plate (6), a seventh plate (7), an eighth plate (8), a ninth plate (9), a tenth plate (10), an eleventh plate (11), a twelfth plate (12), a thirteenth plate (13), a fourteenth plate (14), a fifteenth plate (15), a sixteenth plate (16), a seventeenth plate (17) and an eighteenth plate (18).