CN216639385U - Furnace wall insulation board for repairing coke oven - Google Patents

Abstract

The utility model belongs to the technical field of coke oven overhaul, and provides a furnace wall insulation board for coke oven overhaul, which comprises: a composite insulation board; the frame is used for fixedly supporting the composite heat-insulation plate, and the composite heat-insulation plate is embedded in the frame; the convex part is fixedly arranged on the frame, is positioned on one side of the composite heat-insulation plate and is used for supporting the outer side surface of the combustion chamber furnace wall to be renovated so that the other side of the composite heat-insulation plate is tightly attached to the outer side surface of the combustion chamber furnace wall to be protected; and the guide wheel is arranged at the bottom of the frame. By adopting the utility model, the furnace wall of the combustion chamber to be protected can be insulated and protected in the whole renovation process, the furnace wall of the combustion chamber to be protected can be prevented from being damaged, and the potential safety hazard is eliminated.

Description

Furnace wall insulation board for repairing coke oven

Technical Field

The utility model belongs to the technical field of coke oven overhaul, and particularly relates to a furnace wall insulation board for coke oven overhaul.

Background

A coke oven is a furnace for carbonizing coal to produce coke. At present, in the process of the general-purpose stripping, jacking and overhauling of a coke oven, the furnace walls of combustion chambers at two sides of an overhauling section are directly exposed under normal temperature, huge temperature difference is generated inside and outside the furnace walls of the combustion chambers, temperature stress can cause cracks to be generated on the furnace walls of the combustion chambers, and not only are the reserved furnace walls damaged, but also potential safety hazards are caused.

Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a furnace wall heat-insulation plate for repairing a coke furnace, which can solve the defects in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a furnace wall insulation panel for coke oven refurbishment, comprising:

a composite insulation board;

the frame is used for fixedly supporting the composite heat-insulation plate, and the composite heat-insulation plate is embedded in the frame;

the convex part is fixedly arranged on the frame, is positioned on one side of the composite heat-insulation plate and is used for supporting the outer side surface of the combustion chamber furnace wall to be renovated so as to ensure that the other side of the composite heat-insulation plate is tightly attached to the outer side surface of the combustion chamber furnace wall to be protected;

and the guide wheel is arranged at the bottom of the frame.

Preferably, the composite heat-insulating board comprises two protective layers arranged at intervals, and a radiation-reflecting layer and a heat-insulating layer are arranged between the two protective layers.

According to the furnace wall heat-insulating plate for repairing the coke oven, preferably, the protective layer is an iron wire mesh, the anti-radiation layer is aluminum foil composite glass fiber cloth, and the heat-insulating layer is an aluminum silicate fiber felt.

Preferably, the anti-radiation layer is arranged on one side far away from the convex part, and the heat insulation layer is arranged on one side close to the convex part.

According to the oven wall insulation board for repairing the coke oven, preferably, the convex part is an arc-shaped ring, and two ends of the arc-shaped ring are fixedly connected with the frame.

Preferably, the plurality of the convex parts are uniformly distributed on the frame.

Preferably, the frame is of a grid structure, and the composite heat-insulation board is embedded in each grid of the frame.

Preferably, the guide wheel is a high-temperature resistant wheel.

Has the advantages that:

when the furnace wall insulation board is used, the furnace wall insulation board can move to the carbonization chambers at two ends of the uncovering and overturning area through the guide wheel. One side of the composite heat-insulation plate is tightly attached to the furnace wall of the combustion chamber to be protected, and the convex part on the other side of the composite heat-insulation plate is supported on the outer side surface of the furnace wall of the combustion chamber to be renovated. After the overhaul of the combustion chamber to be overhauled is finished, the furnace wall heat-insulating plate can be removed. The furnace wall of the combustion chamber to be protected is insulated and protected in the whole renovation process, so that the furnace wall of the combustion chamber to be protected can be prevented from being damaged, and potential safety hazards are eliminated.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model and not to limit the utility model. Wherein:

FIG. 1 is a using state diagram of the heat-insulating board of the furnace wall of the utility model;

FIG. 2 is a front view of the furnace wall insulation panel of the present invention;

FIG. 3 is a top view of the furnace wall insulation panel of the present invention;

fig. 4 is a cross-sectional view of the composite insulation board of the present invention.

The names corresponding to the reference numbers in the figures are: 1-furnace wall insulation board; 2-a frame; 3-composite insulation board; 4-a convex part; 5-a guide wheel; 6-combustion chamber to be protected; 7-a combustion chamber to be renovated; 8-furnace top; 31-a protective layer; 32-a radiation-reflecting layer; 33-heat preservation and insulation layer; 61-the furnace wall of the combustion chamber needs to be protected; 71-the furnace wall of the combustion chamber to be renovated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" as used herein are intended to be broadly construed, and may include, for example, fixed connections and removable connections; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

As shown in figures 1-4, a furnace wall insulation board 1 for repairing a coke furnace comprises a frame 2, a composite insulation board 3, a convex part 4 and a guide wheel 5. The composite heat-insulation plate 3 is fixedly arranged in the frame 2; the convex part 4 is fixedly arranged on the frame 2, is positioned at one side of the composite heat-insulation plate 3 and is used for supporting the outer side surface of the combustion chamber furnace wall 71 to be renovated so as to ensure that the other side of the composite heat-insulation plate 3 is tightly attached to the outer side surface of the combustion chamber furnace wall 61 to be protected; and a guide wheel 5 mounted on the bottom of the frame 2. According to the utility model, the composite heat-insulation board 3 is embedded in the frame 2, so that the frame 2 can play a role in fixing, supporting and protecting the composite heat-insulation board 3.

As shown in fig. 1, a carbonization chamber is arranged between the combustion chamber 6 to be protected and the combustion chamber 7 to be renovated; when in use, the furnace wall heat-insulation plate 1 is placed in the carbonization chamber.

In an alternative embodiment of the present invention, the composite insulation board 3 includes two protective layers 31 disposed at intervals, and a radiation-reflecting layer 32 and an insulation layer 33 are disposed between the two protective layers 31.

In an alternative embodiment of the present invention, the protective layer 31 is a wire mesh, the anti-radiation layer 32 is an aluminum foil composite glass fiber cloth, and the thermal insulation layer 33 is an aluminum silicate fiber felt. The wire netting can be welded together with frame 2, and the wire netting also can be in the same place through the steel wire binding with frame 2.

In other alternative embodiments of the present invention, the protective layer 31 is a stainless steel mesh, the anti-radiation layer 32 is an aluminum foil or an aluminum plate, and the thermal insulation layer 33 is glass fiber cotton.

In an alternative embodiment of the present invention, the radiation-reflecting layer 32 is disposed on the side away from the convex portion 4, and the thermal insulating layer 33 is disposed on the side close to the convex portion 4. The anti-radiation layer 32 is close to the outer side surface of the combustion chamber furnace wall 61 to be protected, so that the anti-radiation effect can be better achieved.

In another alternative embodiment of the present invention, the radiation-reflecting layer 32 is disposed on the side close to the convex portion 4, and the thermal insulating layer 33 is disposed on the side far from the convex portion 4.

In an alternative embodiment of the utility model, the convex portion 4 is an arc-shaped ring, two ends of which are fixedly connected with the frame 2, the arc-shaped ring has the advantage of saving materials, and the arc-shaped ring is formed by bending a steel pipe or a steel bar. The arc-shaped ring is connected with the frame 2 in a welding way.

In another alternative embodiment of the present invention, a plurality (e.g., 2, 3, 4, 5, 6, 7, 8, 9, 10, or 12) of protrusions 4 are uniformly distributed on the frame 2. Preferably, 6 protrusions 4 are provided on one frame 2, and divided into upper and lower rows, each row being provided with 3 protrusions 4.

In other alternative embodiments of the present invention, the protrusion 4 may also be a bump or a raised strip.

In an alternative embodiment of the present invention, the frame 2 is a grid structure, the composite heat-insulating board 3 is disposed in each grid of the frame 2 (i.e., the composite heat-insulating board 3 is embedded in each grid of the frame 2), and the convex portion 4 is disposed on the grid edge inside the frame 2. The frame 2 comprises channel steel, angle steel and flat steel.

In other alternative embodiments of the utility model, the frame 2 is shaped like a Chinese character 'tian' or rectangular.

In an alternative embodiment of the utility model, the guide wheel 5 is a refractory wheel. The guide wheel 5 is roll-mounted on the bottom of the frame 2 by a mounting bracket. The bottom of the frame is provided with 2 guide wheels 5.

The using method of the utility model comprises the following steps: the method comprises the steps of using an automobile crane to load a furnace wall heat-insulation board 1 into a coal feeding vehicle (the quantity of the furnace wall heat-insulation boards 1 is selected according to actual conditions, when the usage amount of the furnace wall heat-insulation boards 1 is more than two, firstly connecting a plurality of furnace wall heat-insulation boards 1), then using the coal feeding vehicle to convey the furnace wall heat-insulation boards 1 to a carbonization chamber at two ends of a uncovering and overturning and repairing area, supporting a convex part 4 on a combustion furnace wall 71 to be repaired, and tightly attaching a composite heat-insulation board 3 to a furnace wall 61 of a combustion chamber to be protected. And after the coke oven is repaired, the insulation board is moved away by using a coke pusher.

In conclusion, the furnace wall heat-insulation board 1 provided by the utility model can be used for repairing a coke oven, and the furnace wall heat-insulation board 1 is fixed outside the furnace wall 61 of a combustion chamber to be protected before repairing, so that the furnace wall can be prevented from being directly exposed under normal temperature, the furnace wall is prevented from being damaged due to temperature difference and external force, and potential safety hazards caused by exposure of a high-temperature furnace wall are avoided.

It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the utility model is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.

Claims (8)

1. A furnace wall insulation board for repairing a coke furnace is characterized by comprising:

a composite insulation board;

the frame is used for fixedly supporting the composite insulation board, and the composite insulation board is embedded in the frame;

the convex part is fixedly arranged on the frame, is positioned on one side of the composite heat-insulation plate and is used for supporting the outer side surface of the combustion chamber furnace wall to be renovated so as to enable the other side of the composite heat-insulation plate to be tightly attached to the outer side surface of the combustion chamber furnace wall to be protected;

and the guide wheel is arranged at the bottom of the frame.

2. The oven wall insulation board for coke oven overhaul of claim 1, wherein the composite insulation board comprises two protective layers arranged at intervals, and a radiation reflecting layer and an insulation layer are arranged between the two protective layers.

3. The oven wall insulation board for coke oven overhaul of claim 2, wherein the protective layer is a wire mesh, the anti-radiation layer is aluminum foil composite glass fiber cloth, and the insulation layer is an aluminum silicate fiber felt.

4. The oven wall insulation board for coke oven overhaul of claim 2, wherein the anti-radiation layer is disposed on a side away from the protrusion, and the insulation layer is disposed on a side close to the protrusion.

5. The oven wall insulation board for coke oven overhaul of claim 1, wherein the convex portion is an arc-shaped ring, and both ends of the arc-shaped ring are fixedly connected with the frame.

6. The oven wall insulation panel for coke oven refurbishment of claim 1, wherein a plurality of the protrusions are evenly distributed on the frame.

7. The oven wall insulation panel for coke oven refurbishment of claim 1, wherein the frame is a grid-like structure, and the composite insulation panel is embedded in each grid of the frame.

8. The oven wall insulation panel for coke oven overhaul of any one of claims 1 to 7, wherein the guide wheels are high temperature resistant wheels.

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