CN215517503U

CN215517503U - Environment-friendly stemming with good high-temperature resistance

Info

Publication number: CN215517503U
Application number: CN202122004680.2U
Authority: CN
Inventors: 刘荣普; 刘豫杰; 巴闯
Original assignee: Anning Yifeng Charge Co ltd
Current assignee: Anning Yifeng Charge Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-14
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses environment-friendly stemming with good high-temperature resistance, which comprises a stemming body, wherein a plurality of concave holes are formed in the top of the stemming body, the concave holes are hexagonal and are uniformly arranged on the stemming body along the axial center of the stemming body, a connecting ring is fixedly connected to the middle of the top of the stemming body, a first high-temperature-resistant layer is arranged inside the stemming body, a second high-temperature-resistant layer is arranged on one side of the first high-temperature-resistant layer, a first composite layer is fixedly arranged on the top of the stemming body, a second composite layer is fixedly arranged at the bottom of the stemming body, the first high-temperature-resistant layer is made of a silicon carbide material, the second high-temperature-resistant layer is made of a coke powder material, and the thickness of the first high-temperature-resistant layer is the same as that of the second high-temperature-resistant layer. The environment-friendly stemming with good high-temperature resistance effectively improves the high-temperature resistance of the stemming body and also improves the environment-friendly property of the stemming body.

Description

Environment-friendly stemming with good high-temperature resistance

Technical Field

The utility model relates to the technical field of stemming, in particular to environment-friendly stemming with good high-temperature resistance.

Background

Stemming is a raw material for blocking an iron notch of an iron-making blast furnace, and is extruded into the iron notch by a mud gun through pressure, so the stemming is called stemming, and the stemming can be divided into two main types, namely water stemming and anhydrous stemming, wherein the stemming is used for medium and small blast furnaces with lower top pressure and low strengthening smelting degree, and the stemming is used for medium and large blast furnaces with higher top pressure and high strengthening smelting degree.

At present, the existing stemming is not satisfactory in both environmental protection performance and high temperature resistance and cannot meet the requirements of people, so that the stemming is improved, and the environment-friendly stemming with good high temperature resistance is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the environment-friendly stemming with good high-temperature resistance comprises a stemming body, wherein a plurality of concave holes are formed in the top of the stemming body, the concave holes are hexagonal, the concave holes are uniformly formed in the stemming body along the axial center of the stemming body, a connecting ring is fixedly connected to the middle of the top of the stemming body, a first high-temperature-resistant layer is arranged inside the stemming body, a second high-temperature-resistant layer is arranged on one side of the first high-temperature-resistant layer, a first composite layer is fixedly arranged at the top of the stemming body, and a second composite layer is fixedly arranged at the bottom of the stemming body.

In a preferred embodiment of the present invention, the first high temperature resistant layer is made of a silicon carbide material, the second high temperature resistant layer is made of a coke powder material, and the thickness of the first high temperature resistant layer is the same as that of the second high temperature resistant layer.

As a preferred technical solution of the present invention, the first composite layer is composed of a first phenolic resin plate, a first flame retardant layer and a first adhesive layer, and the second composite layer is composed of a second phenolic resin plate, a second flame retardant layer and a second adhesive layer.

As a preferred technical scheme of the utility model, the first flame-retardant layer and the second flame-retardant layer are both made of environment-friendly flame-retardant materials, and the first adhesive layer and the second adhesive layer are both made of polyurethane materials.

In a preferred embodiment of the present invention, the first composite layer and the second composite layer have the same thickness, and the distance between the first composite layer and the second composite layer is 8cm to 15 cm.

The utility model has the beneficial effects that: this stemming that environment-friendly high temperature resistance can be good through the first high temperature resistant layer and the second high temperature resistant layer that set up, the effectual high temperature resistance who improves the stemming body, and first composite bed and second composite bed have also improved the feature of environmental protection of stemming body when having improved the high temperature resistance of stemming body.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a structural diagram of an environment-friendly stemming with good high temperature resistance;

FIG. 2 is a structural diagram of a first high temperature resistant layer of the stemming with good environment-friendly high temperature resistance;

FIG. 3 is a structural diagram of a first composite layer of the stemming with good environment-friendly high temperature resistance;

FIG. 4 is a structural diagram of a second composite layer of the stemming with good environment-friendly high temperature resistance.

In the figure: 1. a stemming body; 2. a connecting ring; 3. concave holes; 4. a first composite layer; 5. a second composite layer; 6. a first high temperature resistant layer; 7. a second high temperature resistant layer; 8. a first phenolic resin plate; 9. a first flame retardant layer; 10. a first adhesive layer; 11. a second phenolic resin board; 12. a second flame retardant layer; 13. a first adhesive layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the stemming with good environment-friendly high temperature resistance comprises a stemming body 1, wherein a plurality of concave holes 3 are formed in the top of the stemming body 1, the concave holes 3 are hexagonal, the concave holes 3 are uniformly arranged on the stemming body 1 along the axial center of the stemming body 1, a connecting ring 2 is fixedly connected to the middle of the top of the stemming body 1, a first high temperature resistant layer 6 is arranged inside the stemming body 1, a second high temperature resistant layer 7 is arranged on one side of the first high temperature resistant layer 6, a first composite layer 4 is fixedly arranged at the top of the stemming body 1, a second composite layer 5 is fixedly arranged at the bottom of the stemming body 1, and the connecting ring 2 is used for butting external devices to improve the stability of the stemming body 1 during use.

First high temperature resistant layer 6 adopts the carborundum material, and second high temperature resistant layer 7 adopts the coke powder material, and the thickness of first high temperature resistant layer 6 is the same with the thickness of second high temperature resistant layer 7, and first high temperature resistant layer 6 both can improve the high temperature resistance of stemming body 1 self with second high temperature resistant layer 7, also can improve the corrosion resistance of stemming body 1, prolongs its life.

The first composite layer 4 is composed of a first phenolic resin plate 8, a first flame-retardant layer 9 and a first adhesive layer 10, and the second composite layer 5 is composed of a second phenolic resin plate 11, a second flame-retardant layer 12 and a second adhesive layer 13.

First fire-retardant layer 9 all adopts environment-friendly flame retardant material with the fire-retardant layer 12 of second, and first fire-retardant layer 9 has effectually reduced thermal transmission speed with the fire-retardant layer 12 of second, avoids stemming body 1 overheated, and first sticky layer 10 all adopts the polyurethane material with second sticky layer 13, and first sticky layer 10 and second sticky layer 13 are used for being connected between first composite bed 4 and second composite bed 5 and the stemming body 1 respectively.

The thicknesses of the first composite layer 4 and the second composite layer 5 are the same, and the distance between the first composite layer 4 and the second composite layer 5 is 8cm-15 cm.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

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 and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a stemming that environment-friendly high temperature resistance can be good, includes stemming body (1), its characterized in that, a plurality of shrinkage pools (3) have been seted up at the top of stemming body (1), and is a plurality of the shape of shrinkage pool (3) is the hexagon, and is a plurality of shrinkage pool (3) are along the even setting of the axle center point of stemming body (1) on stemming body (1), the middle part fixedly connected with go-between (2) at stemming body (1) top, the inside of stemming body (1) is provided with first high temperature resistant layer (6), one side on first high temperature resistant layer (6) is provided with second high temperature resistant layer (7), the fixed first composite bed (4) that is provided with in top of stemming body (1), just the fixed second composite bed (5) that is provided with in bottom of stemming body (1).

2. The environment-friendly stemming with good high temperature resistance according to claim 1, wherein the first high temperature resistant layer (6) is made of silicon carbide material, the second high temperature resistant layer (7) is made of coke powder material, and the thickness of the first high temperature resistant layer (6) is the same as that of the second high temperature resistant layer (7).

3. The environment-friendly stemming with good high temperature resistance according to claim 1, wherein the first composite layer (4) comprises a first phenolic resin plate (8), a first flame retardant layer (9) and a first adhesive layer (10), and the second composite layer (5) comprises a second phenolic resin plate (11), a second flame retardant layer (12) and a second adhesive layer (13).

4. The stemming as claimed in claim 3, wherein the first flame retardant layer (9) and the second flame retardant layer (12) are made of environment-friendly flame retardant material, and the first adhesive layer (10) and the second adhesive layer (13) are made of polyurethane material.

5. The environment-friendly stemming with good high temperature resistance according to claim 3, wherein the thicknesses of the first composite layer (4) and the second composite layer (5) are the same, and the distance between the first composite layer (4) and the second composite layer (5) is 8cm-15 cm.