CN214468655U - Fireproof lining structure of combustion chamber and combustion chamber for hazardous waste industry - Google Patents
Fireproof lining structure of combustion chamber and combustion chamber for hazardous waste industry Download PDFInfo
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- CN214468655U CN214468655U CN202120408285.8U CN202120408285U CN214468655U CN 214468655 U CN214468655 U CN 214468655U CN 202120408285 U CN202120408285 U CN 202120408285U CN 214468655 U CN214468655 U CN 214468655U
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- combustion chamber
- flame retardant
- retardant coating
- insulating layer
- brick
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Abstract
The utility model relates to a combustor refractory lining structure and combustor that useless trade of danger was used. Including flame retardant coating and insulating layer, flame retardant coating and insulating layer set up along the inside wall of combustion chamber, and the flame retardant coating is located the inboard of insulating layer, including holding in the palm brick board and pouring material in the insulating layer, holds in the palm the annular setting of inside wall of brick board along the combustion chamber, and wherein the tip of holding in the palm the brick board stretches into the flame retardant coating, holds in the palm the brick board and vertically sets up a plurality ofly along the combustion chamber, and the flame retardant coating is by a plurality of resistant firebrick annular around constituteing. The top of the brick supporting plate is provided with a reinforcing rib at a position close to the inner side wall of the combustion chamber, and the bottom of the brick supporting plate and the part located on the heat insulation layer are provided with expansion joints, so that the corrosion resistance of the combustion chamber is improved.
Description
Technical Field
The utility model belongs to the technical field of the combustion chamber, concretely relates to combustor refractory lining structure and combustion chamber that useless trade of danger used.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
The incinerator is generally provided with two combustion chambers, namely a first combustion chamber and a second combustion chamber, a two-stage combustion mode is adopted, the first combustion chamber burns solid, solid garbage enters the first combustion chamber and then is dried, anaerobically pyrolyzed and burnt out at a preset temperature, generation of virulent gas is effectively controlled, gas generated by pyrolysis is fully combusted in the second combustion chamber, and poisonous and harmful gas is effectively treated. The corrosion received in the fuel chamber is relatively severe. Especially, when the burning raw materials are dangerous waste materials, the raw materials have complex components, the amount of generated toxic tail gas is more, the components are more complex, and the corrosion to the lining of the secondary combustion chamber is more serious. The inner lining of the second combustion chamber is corroded to cause the reduction of pressure resistance and thermal stress.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the above-mentioned prior art, the utility model aims at providing a combustor refractory lining structure and combustion chamber that useless trade of danger used.
In order to solve the technical problem, the technical scheme of the utility model is that:
the utility model provides a combustor refractory lining structure that useless trade of danger was used, includes flame retardant coating and insulating layer, and flame retardant coating and insulating layer set up along the inside wall of combustion chamber, and the flame retardant coating is located the inboard of insulating layer, including holding in the palm brick board and pouring material in the insulating layer, hold in the palm the annular setting of the inside wall of brick board along the combustion chamber, and wherein the tip of holding in the palm the brick board stretches into the flame retardant coating, holds in the palm the brick board and vertically sets up a plurality ofly along the combustion chamber, and the flame retardant coating is by a plurality of resistant firebrick annular around constituteing.
The pressure resistance and the thermal stress of the refractory lining of the combustion chamber are improved, and the corrosion resistance is improved.
A combustion chamber comprises the combustion chamber refractory lining structure.
The utility model discloses one or more technical scheme has following beneficial effect:
the problem of to the more serious condition of corroding of combustion chamber, especially when the burning raw materials is the dangerous useless raw materials, can lead to the inside lining of second combustion chamber to corrode seriously is solved.
Through the design of the lining structure of the second combustion chamber, the pressure resistance and the thermal stress of the lining are improved, the strength of the lining is improved, and the strength of the structure when the lining is corroded is improved.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the invention and not to limit the invention unduly.
FIG. 1 is a structural design drawing of a brick supporting plate on the inner side wall of a secondary combustion chamber;
FIG. 2 is a partial block diagram of the liner construction;
FIG. 3 is a top view of a secondary combustion chamber liner structure;
the concrete pouring device comprises 1 pouring materials, 2V-shaped anchoring nails, 3 refractory bricks, 4 brick supporting plates, 5 reinforcing ribs, 6 expansion gaps.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The utility model provides a combustor refractory lining structure that useless trade of danger was used, includes flame retardant coating and insulating layer, and flame retardant coating and insulating layer set up along the inside wall of combustion chamber, and the flame retardant coating is located the inboard of insulating layer, including holding in the palm brick board and pouring material in the insulating layer, hold in the palm the annular setting of the inside wall of brick board along the combustion chamber, and wherein the tip of holding in the palm the brick board stretches into the flame retardant coating, holds in the palm the brick board and vertically sets up a plurality ofly along the combustion chamber, and the flame retardant coating is by a plurality of resistant firebrick annular around constituteing.
The pressure resistance and the thermal stress of the refractory lining of the combustion chamber are improved, and the corrosion resistance is improved.
As a further technical scheme, the number of the brick supporting plates is set to be 3-5.
As a further technical scheme, the top of the brick supporting plate is provided with a reinforcing rib at a position close to the inner side wall of the combustion chamber, and the reinforcing rib is arranged along the inner side wall of the combustion chamber and is of an annular structure.
As a further technical scheme, an expansion gap is arranged at the bottom of the brick supporting plate and the part of the brick supporting plate, which is positioned on the fire-resistant layer, and a fire-resistant fiber blanket is filled in the expansion gap.
As a further technical scheme, the material of the brick supporting plate is 0Cr25Ni20 heat-resistant steel.
As a further technical scheme, a plurality of V-shaped anchoring nails which are annularly arranged are arranged in the heat insulation layer, and openings of the V-shaped anchoring nails are arranged towards the fire-resistant layer.
Optionally, 240-260mm of adjacent V-shaped anchor pins.
As a further technical scheme, the refractory bricks of the refractory layer are chromium corundum bricks.
Optionally, the number of the chromium corundum bricks in the annular direction is 36-72, and a plurality of chromium corundum bricks are mutually connected in a mortise and tenon structure in the annular direction.
As a further technical scheme, the thickness of the refractory layer is 110-130mm, and the thickness of the heat-insulating layer is 170-190 mm.
A combustion chamber comprises the combustion chamber refractory lining structure.
Refractory lining structure, including flame retardant coating and insulating layer, flame retardant coating and insulating layer set up along the inside wall of combustion chamber, and the flame retardant coating is located the inboard of insulating layer, and the flame retardant coating mainly comprises 3 rings of a plurality of resistant firebricks around. The refractory bricks 3 of the refractory layer have better refractory function. The insulating layer plays thermal-insulated effect, and the inside of insulating layer sets up simultaneously and holds in the palm brick board 4 and pouring material 1, holds in the palm brick board 4 and has the effect of the resistant firebrick of support flame retardant coating.
The internal brick supporting plates 4 of the heat insulation layer are arranged in a plurality of, in one embodiment, 4 along the longitudinal direction of the combustion chamber, and the lining of the inner part of the furnace body is divided into 5 independent sections, so that the pressure and the thermal stress of the refractory material at the bottom of the furnace body are reduced.
The top of the brick supporting plate 4 is provided with a reinforcing rib 5 at a position close to the inner side wall of the combustion chamber, and the reinforcing rib 5 is arranged along the inner side wall of the combustion chamber and is of an annular structure. The reinforcing ribs play a role in supporting and reinforcing the brick supporting plate 4 in the combustion chamber.
The structure of insulating layer and flame retardant coating is more firm, realizes improving the stability of combustion chamber lining structure.
The bottom of the brick supporting plate 4 and the part of the brick supporting plate positioned on the fire-resistant layer are provided with expansion gaps 6, and the expansion gaps 6 are filled with fire-resistant fiber blankets. The refractory fiber blanket improves the fire resistance and avoids influencing the supporting performance of the brick supporting plate.
The brick supporting plate 4 is made of 0Cr25Ni20 heat-resistant steel. The brick supporting plate 4 is made of a fireproof material.
Set up the V type anchor nail 2 of a plurality of rings direction arrangements in the insulating layer, the opening of V type anchor nail 2 sets up towards the flame retardant coating. Set up V type anchor nail 2 in the insulating layer, improved the steadiness of insulating layer, V type anchor nail 2 plays the effect of consolidating the pouring material. 240-260mm of the adjacent V-shaped anchoring nail 2. And in one embodiment 250 mm.
The refractory bricks 3 of the refractory layer are chromium corundum bricks. The number of the chromium corundum bricks in the ring direction is 36-72, and a plurality of chromium corundum bricks are mutually connected in a mortise and tenon structure in the ring direction. The chromium corundum brick has better fire resistance.
The thickness of the refractory layer is 110-130mm, and the thickness of the thermal insulation layer is 170-190 mm. Acid-resistant heat-insulating pouring materials are adopted in the heat-insulating layer, so that the fire resistance and the structural stability of the whole fire-resistant lining structure are improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)
1. The utility model provides a combustor refractory lining structure that useless trade of danger used which characterized in that: including flame retardant coating and insulating layer, flame retardant coating and insulating layer set up along the inside wall of combustion chamber, and the flame retardant coating is located the inboard of insulating layer, including holding in the palm brick board and pouring material in the insulating layer, holds in the palm the annular setting of inside wall of brick board along the combustion chamber, and wherein the tip of holding in the palm the brick board stretches into the flame retardant coating, holds in the palm the brick board and vertically sets up a plurality ofly along the combustion chamber, and the flame retardant coating is by a plurality of resistant firebrick annular around constituteing.
2. The refractory lining structure of a combustion chamber used in hazardous waste industry of claim 1, wherein: the number of the brick supporting plates is 3-5.
3. The refractory lining structure of a combustion chamber used in hazardous waste industry of claim 1, wherein: the top of the brick supporting plate is provided with a reinforcing rib at a position close to the inner side wall of the combustion chamber, and the reinforcing rib is arranged along the inner side wall of the combustion chamber and is of an annular structure.
4. The refractory lining structure of a combustion chamber used in hazardous waste industry of claim 1, wherein: the bottom of the brick supporting plate and the part of the brick supporting plate positioned on the heat insulation layer are provided with expansion gaps, and refractory fiber blankets are filled in the expansion gaps.
5. The refractory lining structure of a combustion chamber used in hazardous waste industry of claim 1, wherein: the brick supporting plate is made of 0Cr25Ni20 heat-resistant steel.
6. The refractory lining structure of a combustion chamber used in hazardous waste industry of claim 1, wherein: set up the V type anchor nail of a plurality of rings direction arrangements in the flame retardant coating, the opening of V type anchor nail sets up towards the insulating layer.
7. The refractory lining structure of a combustion chamber used in hazardous waste industry of claim 6, wherein: 240-260mm of the adjacent V-shaped anchoring nail.
8. The refractory lining structure of a combustion chamber used in hazardous waste industry of claim 1, wherein: the refractory bricks of the heat-insulating layer are chromium corundum big bricks, and the number of the chromium corundum big bricks in the annular direction is 36-72.
9. The refractory lining structure of a combustion chamber used in hazardous waste industry of claim 1, wherein: the thickness of the refractory layer is 110-130mm, and the thickness of the thermal insulation layer is 170-190 mm.
10. A combustion chamber, characterized by: comprising the structure of the refractory lining of a combustion chamber according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120408285.8U CN214468655U (en) | 2021-02-24 | 2021-02-24 | Fireproof lining structure of combustion chamber and combustion chamber for hazardous waste industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120408285.8U CN214468655U (en) | 2021-02-24 | 2021-02-24 | Fireproof lining structure of combustion chamber and combustion chamber for hazardous waste industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214468655U true CN214468655U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120408285.8U Active CN214468655U (en) | 2021-02-24 | 2021-02-24 | Fireproof lining structure of combustion chamber and combustion chamber for hazardous waste industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214468655U (en) |
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2021
- 2021-02-24 CN CN202120408285.8U patent/CN214468655U/en active Active
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