CN218723140U

CN218723140U - Kiln body inside lining energy-saving brick

Info

Publication number: CN218723140U
Application number: CN202222918168.3U
Authority: CN
Inventors: 赵赞芳; 丁达付; 张帅
Original assignee: Luoyang Lefang Heavy Industry Machinery Co ltd
Current assignee: Luoyang Lefang Heavy Industry Machinery Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-24
Anticipated expiration: 2032-11-03

Abstract

The utility model provides an energy-conserving brick of kiln body inside lining, including wear-resisting brick layer of fire resistance and thermal-insulated brick layer, spill portion has been seted up to wear-resisting brick layer bottom of fire resistance, thermal-insulated brick layer top is provided with the convex part that matches with this spill portion, wear-resisting brick layer of fire resistance and thermal-insulated brick layer are compound from top to bottom to form. The utility model discloses can effectually reduce the heat excessive volume, very big degree has saved the fuel use amount.

Description

Kiln body inside lining energy-saving brick

Technical Field

The utility model relates to a refractory material field especially relates to an energy-conserving brick of kiln body inside lining.

Background

The kiln body mainly comprises a rotary kiln and a lime kiln, is widely applied in many industrial fields and plays an important role in production, is core equipment for production in industries such as cement, metallurgy, chemical engineering and lime, and is a rotary body which continuously rotates and is continuously in a high-temperature heating state in the production and operation processes, the working temperature in the rotary kiln is up to 1200-2000 ℃ in the working process, the kiln body generally comprises a kiln body lining, a casting material and a kiln skin made of a steel plate, and an energy-saving brick used for the kiln body lining is used as a main material for heat insulation, so that the quality and the service life of the energy-saving brick directly influence the production quality, the energy consumption and the service life of the kiln body.

At present, domestic energy-saving bricks for constructing a kiln lining structure are researched and applied to a certain extent, for example, the publication number is CN106938923B, namely, a silicon corundum wear-resistant composite brick is disclosed, the brick body is formed by compounding a working layer 1 and an insulating layer 2, in order to ensure the firmness between the working layer 1 and the insulating layer 2, the combination surface of the working layer 1 and the insulating layer 2 is in a mutually-meshed sawtooth structure or a mutually-meshed dovetail structure, and the brick belongs to a brick type which is wide and has a good effect at present. However, the company finds that the brick type has the problems of large heat overflow and great increase of fuel consumption in the research and development test process, and the fuel resource is extremely wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, providing an energy-saving brick for the lining of a kiln body, which can effectively reduce the heat overflow amount and greatly save the fuel usage amount.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides an energy-conserving brick of kiln body inside lining, includes wear-resisting brick layer of fire resistance and thermal-insulated brick layer, spill portion has been seted up to wear-resisting brick layer bottom of fire resistance, thermal-insulated brick layer top is provided with the convex part that matches with this spill portion, wear-resisting brick layer of fire resistance and thermal-insulated brick layer are compound from top to bottom and form.

Preferably, a heat reflection metal plate is laid between the refractory wear-resistant brick layer and the heat insulation brick layer.

Preferably, the interior of the heat insulation brick layer is of a loose porous structure.

Preferably, the refractory wear-resistant brick layer and the heat-insulating brick layer are of a trapezoidal structure with a small top and a large bottom.

Preferably, the top of the refractory wear-resistant brick layer is in a concave arc shape, and the heat-insulating brick layer is in a convex arc shape.

Preferably, the concave part corner and the convex part corner are rounded corners.

According to the technical scheme, the beneficial effects of the utility model are that:

the heat reflection metal plate is laid between the refractory wear-resistant brick layer and the heat insulation brick layer, so that heat diffused in the kiln body can be reflected back into the kiln body, the escaped heat is greatly reduced, the use amount of fuel is reduced, and the temperature of the kiln body shell is reduced; the interior of the heat insulation brick layer of the energy-saving brick is of a loose porous structure, so that heat can be locked in the kiln body to the maximum extent, and the double-layer heat insulation effect is achieved; the concave part corner and the convex part corner of the energy-saving brick are both provided with fillets, the fillets reduce stress concentration, and the two brick layers are integrated by mutually assembling, so that the mutual abrasion between the brick layers is reduced, and the service life of the brick body is prolonged; the fireproof wear-resistant brick layer and the heat-insulating brick layer of the energy-saving brick are of a trapezoidal structure with a small upper part and a big lower part, so that gaps among the energy-saving bricks during installation are reduced; the top of the refractory wear-resistant brick layer of the energy-saving brick is concave arc-shaped, so that materials can rotate in the kiln conveniently; the heat insulation brick layer of the energy-saving brick is in a convex arc shape, is better matched with the kiln body shell, is convenient to install and prolongs the service life.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the refractory wear-resistant brick layer of the present invention;

FIG. 4 is a schematic structural view of the heat insulation brick layer of the present invention;

fig. 5 is a schematic structural view of the lining structure of the kiln body according to the present invention.

The labels in the figure are: 1. a refractory wear-resistant brick layer; 2. a heat reflective metal plate; 3. a layer of insulating bricks; 4. a concave portion; 5. a convex portion.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The structure, proportion, size and so on shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions of the present invention, so that the present invention does not have the essential significance in the technology, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.

Meanwhile, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplified description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. The relative relationship between the two elements can be changed or adjusted without substantial technical changes.

It should be noted that, the parts not described in detail in this application are all the prior art.

Referring to fig. 1-5, specific embodiments are as follows: the energy-saving brick for the kiln lining comprises a refractory wear-resistant brick layer 1 and a heat-insulating brick layer 3, wherein the refractory wear-resistant brick layer 1 and the heat-insulating brick layer 3 are compounded from top to bottom. The heat reflection metal plate 2 is laid between the refractory wear-resistant brick layer 1 and the heat insulation brick layer 3, so that heat diffused in the kiln body can be reflected back into the kiln body, the escaped heat is greatly reduced, and the use amount of fuel is reduced.

The interior of the heat insulation brick layer 3 is of a loose porous structure, so that heat can be locked in the kiln body to the maximum extent, and the double-layer heat insulation effect is achieved. The fireproof wear-resistant brick layer 1 and the heat insulation brick layer 3 are of a trapezoidal structure with a small upper part and a large lower part, and gaps between the energy-saving bricks during installation are reduced.

Concave part 4 has been seted up to 1 bottom on the refractory wear-resisting brick layer, 3 tops on thermal-insulated brick layer are provided with the convex part 5 that matches with this concave part 4, 4 corners of concave part and 5 corners of convex part are the fillet. The fillet has reduced the concentration of stress, assembles mutually and makes two kinds of brick layers become a whole, reduces the mutual wearing and tearing between the brick layer, has increased the life of the brick body.

The top of the refractory wear-resistant brick layer 1 is in a concave arc shape, and the heat-insulating brick layer 3 is in a convex arc shape, so that the heat-insulating brick layer is better matched with a kiln body shell, is convenient to install and prolongs the service life.

The utility model discloses when concrete implementation, earlier according to the corresponding fragment of brick size of the size design of the kiln body, lay heat reflection metal sheet 2 in resistant firebrick layer 1 and thermal-insulated brick layer 3 during the installation, confirm that the fragment of brick that will splice after durable laminates kiln body fixed mounting in proper order to pave the gap between the fragment of brick with fire clay, fuel consumption when reducible kiln body uses promptly during the use reduces the temperature of kiln body shell.

The above description is only a preferred embodiment of the present invention, and it is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiment of the above disclosed technical contents without departing from the technical scope of the present invention.

Claims

1. The utility model provides a kiln body inside lining energy-conserving brick which characterized in that: including wear-resisting brick layer of fire resistance (1) and thermal-insulated brick layer (3), concave part (4) have been seted up to wear-resisting brick layer of fire resistance (1) bottom, thermal-insulated brick layer (3) top is provided with convex portion (5) that match with this concave part (4), wear-resisting brick layer of fire resistance (1) and thermal-insulated brick layer (3) are compound from top to bottom to form.

2. The energy-saving brick for the kiln body lining as claimed in claim 1, characterized in that: a heat reflection metal plate (2) is laid between the refractory wear-resistant brick layer (1) and the heat insulation brick layer (3).

3. The energy-saving brick for the kiln body lining as claimed in claim 1, characterized in that: the interior of the heat insulation brick layer (3) is of a loose porous structure.

4. The energy-saving brick for the kiln body lining as claimed in claim 1, characterized in that: the refractory wear-resistant brick layer (1) and the heat-insulating brick layer (3) are in a trapezoidal structure with a small upper part and a large lower part.

5. The energy-saving brick for the kiln body lining as claimed in claim 1, characterized in that: the top of the refractory wear-resistant brick layer (1) is in a concave arc shape, and the heat-insulating brick layer (3) is in a convex arc shape.

6. The energy-saving brick for the kiln body lining as claimed in claim 1, characterized in that: the corners of the concave part (4) and the corners of the convex part (5) are rounded corners.