CN210916133U

CN210916133U - Lining structure of hot blast stove

Info

Publication number: CN210916133U
Application number: CN201921991103.3U
Authority: CN
Inventors: 孟迪; 成志飞; 李幸可; 白勇
Original assignee: Henan Huayu New Material Co ltd
Current assignee: Henan Huayu New Material Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-03
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to an engineering design technical field discloses a lining structure of hot-blast furnace, it includes the firm section, the firm section includes awl section of thick bamboo and drum section, the tip and the drum section of awl section of thick bamboo are connected, awl section of thick bamboo and drum section are the fragment of brick and pile up, the last pile face of fragment of brick is provided with first recess, it piles up the face and is provided with first lug down, first recess all sets up along the circumference of firm section with first lug, the first lug embedding that is located the fragment of brick on upper strata is located the first recess of the fragment of brick of lower floor. The utility model has the advantages that: the first lug that sets up along stabilizing section circumference on the fragment of brick cooperates with first recess and forms the inside lining of awl cylindric, and the stable long service life of structure is good in comprehensive benefit.

Description

Lining structure of hot blast stove

Technical Field

The utility model relates to an engineering design technical field, especially a lining structure of hot-blast furnace.

Background

In the technical field of blast furnace iron making of ferrous metallurgy, a hot blast furnace cannot be opened, and the lining of the hot blast furnace is an indispensable structure, particularly, the lining has the function of bearing high temperature in the hot blast furnace, so that a furnace shell is prevented from being damaged by the high temperature, accidents such as brick falling and collapse are easy to happen to the conventional cylindrical lining under the conditions of high temperature and pressure fluctuation, the service life is short, and the comprehensive benefit is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lining structure of hot-blast furnace to solve the short not good enough problem of comprehensive benefit of current hot-blast furnace inside lining life.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a lining structure of hot-blast furnace, includes the firm section, the firm section includes conical drum section and drum section, the tip of conical drum section with the drum section is connected, the conical drum section with the drum section is the fragment of brick and piles up, the last pile face of fragment of brick is provided with first recess, and it piles down the face and is provided with first lug, first recess with first lug is all followed the circumference setting of firm section is located the upper strata the first lug embedding of fragment of brick is located the lower floor in the first recess of fragment of brick.

Preferably, the small end of the conical cylinder section is provided with an arc section, and the conical cylinder section is connected with the cylinder section through the arc section.

Preferably, the stabilizing section consists of three layers, namely a fire-resistant layer, a first heat-insulating layer and a second heat-insulating layer from inside to outside, the second heat-insulating layer is coated with a fiber felt, and acid-resistant paint is sprayed on the fiber felt.

Preferably, the central angle of the arc-shaped section is 25-30 degrees.

Preferably, a second groove and a second bump are respectively arranged on two sides of each brick, the second groove and the second bump are arranged in the vertical direction, and the adjacent bricks on the same layer are connected with the second bumps in an embedded mode through the second grooves.

Preferably, the cross section of the first groove is semicircular or rectangular, and the first protrusion is semicircular or rectangular corresponding to the first groove.

Compared with the prior art, the beneficial effects of the utility model are that: the first lug that sets up along stabilizing section circumference on the fragment of brick cooperates with first recess and forms the inside lining of awl cylindric, and the stable long service life of structure is good in comprehensive benefit.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the block;

in the figure, 1-cone section, 2-cylinder section, 3-arc section, 4-first groove, 5-first lug, 6-fiber felt, 7-acid-resistant coating, 8-second groove and 9-second lug.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figure 1, the lining structure of the hot blast stove comprises a stabilizing section, wherein the stabilizing section comprises a conical cylinder section 1 and a cylinder section 2, the conical cylinder section 1 is positioned at the upper end of the cylinder section 2 at the lower end, the small end of the conical cylinder section 1 is connected with the cylinder section 2, the small end of the preferred conical cylinder section 1 is provided with an arc section 3, the conical cylinder section 1 is connected with the cylinder section 2 through the arc section 3, the central angle of the arc section 3 is 25-30 degrees, the conical cylinder section 1 and the cylinder section 2 are piled with bricks, the arc transitional connection avoids the gap at the joint to influence the structural stability, the upper piling surface of the bricks is provided with a first groove 4, a first bump 5 is arranged on the lower stacking surface, the first groove 4 and the first bump 5 are arranged along the circumferential direction of the stabilizing section, and the first bump 5 of the brick located on the upper layer is embedded into the first groove 4 of the brick located on the lower layer, so that the stabilizing section is prevented from being stressed radially, and the bricks are prevented from collapsing.

In this embodiment, as shown in fig. 1, the stabilizing section is composed of three layers, which are a fire-resistant layer, a first heat-insulating layer and a second heat-insulating layer from inside to outside, the second heat-insulating layer is coated with a fiber felt 6, an acid-resistant coating 7 is sprayed on the fiber felt 6, the fire-resistant layer prevents the stabilizing section from being burned out at high temperature in the furnace, the first heat-insulating layer prevents heat energy from being dissipated, the fiber felt 6 is arranged to coat the stabilizing section to further prevent heat energy from being dissipated from the gap between bricks, the second heat-insulating layer plays a role in heat insulation, the fiber felt 6 is prevented from being damaged, and the acid-resistant coating 7 prevents the furnace shell from being corroded by.

In this embodiment, as shown in fig. 2, two sides of each brick are respectively provided with a second groove 8 and a second protrusion 9, the second grooves 8 and the second protrusions 9 are both arranged along a vertical direction, adjacent bricks on the same layer are connected with the second protrusions 9 through the second grooves 8 in an embedded manner, preferably, the cross sections of the first grooves 4 and the second grooves 8 are semicircular or rectangular, the first protrusions 5 are semicircular or rectangular corresponding to the first grooves 4, the second protrusions 9 are semicircular or rectangular corresponding to the second grooves 8, and the second protrusions 9 and the second grooves 8 further enhance the radial bearing capacity of the stabilizing section.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a lining structure of hot-blast furnace which characterized in that: including firm section, firm section includes conical cylinder section (1) and drum section (2), the tip of conical cylinder section (1) with drum section (2) are connected, conical cylinder section (1) with drum section (2) are the fragment of brick and pile up, the last pile face of fragment of brick is provided with first recess (4), and it is provided with first lug (5) to pile up the face down, first recess (4) with first lug (5) are all followed the circumference setting of firm section is located the upper strata first lug (5) embedding of fragment of brick is located the lower floor in first recess (4) of fragment of brick.

2. The lining structure of a hot blast stove according to claim 1, characterized in that: the small end of the conical cylinder section (1) is provided with an arc section (3), and the conical cylinder section (1) is connected with the cylinder section (2) through the arc section (3).

3. The lining structure of a hot blast stove according to claim 2, characterized in that: the stabilizing section consists of three layers, namely a fire-resistant layer, a first heat-insulating layer and a second heat-insulating layer from inside to outside, wherein the second heat-insulating layer is coated with a fibrofelt (6), and acid-resistant paint (7) is sprayed on the exterior of the fibrofelt (6).

4. A lining structure for a hot blast stove according to claim 3, characterized in that: the central angle of the arc-shaped section (3) is 25-30 degrees.

5. The lining structure of a hot blast stove according to claim 4, characterized in that: the brick is characterized in that a second groove (8) and a second lug (9) are respectively arranged on two sides of the brick, the second groove (8) and the second lug (9) are arranged in the vertical direction, and the adjacent bricks on the same layer are connected with the second lug (9) in an embedded mode through the second groove (8).

6. The lining structure of a hot blast stove according to claim 5, characterized in that: the cross section of the first groove (4) is semicircular or rectangular, and the first bump (5) is semicircular or rectangular corresponding to the first groove (4).