CN221055533U - Furnace lining structure of industrial furnace - Google Patents
Furnace lining structure of industrial furnace Download PDFInfo
- Publication number
- CN221055533U CN221055533U CN202322448512.1U CN202322448512U CN221055533U CN 221055533 U CN221055533 U CN 221055533U CN 202322448512 U CN202322448512 U CN 202322448512U CN 221055533 U CN221055533 U CN 221055533U
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- industrial furnace
- wall
- ceramic plate
- furnace body
- heat insulation
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- 239000000919 ceramic Substances 0.000 claims abstract description 52
- 239000010410 layer Substances 0.000 claims abstract description 47
- 239000011229 interlayer Substances 0.000 claims abstract description 11
- 239000011449 brick Substances 0.000 claims description 33
- 238000009413 insulation Methods 0.000 claims description 28
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 4
- 239000000378 calcium silicate Substances 0.000 claims description 4
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000004321 preservation Methods 0.000 abstract description 18
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model provides an industrial furnace lining structure, which comprises: the industrial furnace comprises an industrial furnace body, filling components, skeleton components and wear-resistant interlayers, wherein a plurality of skeleton components are arranged on the left inner wall, the right inner wall and the upper inner wall of the industrial furnace body at equal intervals, one side, close to the industrial furnace body, among the skeleton components is filled with the filling components, and compared with the prior art, the industrial furnace has the following beneficial effects: through installing a plurality of skeleton subassemblies on this inner wall of industrial furnace, it is comparatively simple to change the part, greatly reduced the later maintenance degree of difficulty of changing, it is more convenient when later replacement that comparatively light heat preservation and insulating layer make whole furnace lining structure, reduce later maintenance degree of difficulty of changing, set up ceramic plate one in the furnace lining inboard, ceramic plate two, the cooperation locking screw, not only can compress tightly fixedly heat preservation, insulating layer, also can promote the service strength and the wear resistance of whole furnace lining simultaneously, promote the life of furnace lining.
Description
Technical Field
The utility model belongs to the technical field of industrial furnace lining structures, and particularly relates to an industrial furnace lining structure.
Background
The industrial furnace lining is a material or coating for protecting and covering the inner wall of the industrial furnace, and has the main functions of providing the wear resistance, corrosion resistance and heat insulation and heat preservation performance of the furnace chamber so as to prolong the service life of the furnace and ensure the process effect and the product quality in the furnace, the industrial furnace is used in steel plants, the atmosphere temperature of most of the furnace is 800-1450 ℃, different refractory material linings are selected according to different hearth temperatures, for the traditional industrial furnace lining, the refractory lining is generally composed of a refractory layer (working lining) and a heat preservation lining, the refractory layer is generally composed of refractory castable or refractory bricks, and the heat preservation lining is mainly used as a heat insulation plate such as a calcium silicate plate, a ceramic fiber plate or a light brick, a light castable and the like.
Because the industrial furnace lining is large in size and heavy in weight, certain difficulties exist in the installation and maintenance processes, the working strength and the risk of operators are increased, and meanwhile, the large lining structure brings great trouble to later replacement and improves the difficulty of lining replacement, the industrial furnace lining structure with the novel structure is hoped to be designed, and the problem is solved.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to provide an industrial furnace lining structure which solves the problems in the background art.
The utility model is realized by the following technical scheme: an industrial furnace lining structure comprising: the industrial furnace comprises an industrial furnace body, filling components, skeleton components and wear-resistant interlayers, wherein a plurality of skeleton components are arranged on the left inner wall, the right inner wall and the upper inner wall of the industrial furnace body at equal intervals, the filling components are filled on one side, close to the industrial furnace body, among the skeleton components, and the wear-resistant interlayers are arranged on one side, far away from the industrial furnace body, among the skeleton components;
The filling assembly comprises a heat preservation layer and a heat insulation layer, the heat insulation layer is positioned at the inner side of the heat preservation layer, and the outer wall of the heat preservation layer is abutted with the inner wall of the industrial furnace body;
The framework component comprises a brick body and a fixing screw, one end of the brick body, which is close to the inner wall of the industrial furnace body, is fixedly connected with the inner wall of the industrial furnace body through the fixing screw, a limiting rod is inserted onto the fixing screw, and the front end and the rear end of the limiting rod are respectively in threaded connection with a locking block.
As a preferred implementation mode, the heat preservation is overlapped by multilayer heat preservation felt and is formed, the insulating layer is overlapped in proper order by three-layer ceramic fiber blanket and two-layer calcium silicate board and is formed, and comparatively light heat preservation and insulating layer make whole furnace lining structure more convenient when later stage is changed, reduce the degree of difficulty that later stage maintenance was changed.
As a preferable implementation mode, a boss II is integrally arranged on one side, far away from the inner wall of the industrial furnace body, of the brick body, and a boss I is integrally arranged on one end, far away from the brick body, of the boss II;
The first boss and the second boss penetrate through from front to back to form a first cavity, and the front surface of the brick body penetrates through back to form a second cavity.
As a preferred implementation mode, the brick body is close to the middle of one side surface of the inner wall of the industrial furnace body and is provided with a mounting hole, the mounting hole is communicated with the second cavity, and the brick body is connected with the fixing screw rod through the mounting hole.
As a preferred implementation mode, the part of fixing screw rod that is located cavity two inside and mounting upside threaded connection, the mounting includes cylinder and interior hexagonal groove, the cylinder downside is sunken upwards to form interior hexagonal groove, in the in-service use, the setting of skeleton subassembly, the installer of being convenient for earlier stage is to the construction of furnace wall structure, and when the part structure in furnace wall inside takes place to damage simultaneously and need change, can carry out quick replacement, reduces intensity of labour and the degree of difficulty of change.
As a preferable implementation mode, the wear-resistant interlayer comprises a first ceramic plate, a second ceramic plate and a locking screw, wherein the first ceramic plate is clamped on the inner side between the bosses of the adjacent brick bodies, and one side, close to the inner wall of the industrial furnace body, of the first ceramic plate is abutted with the heat insulation layer.
As a preferred implementation mode, the first inner side surface of the ceramic plate is abutted with the outer side surface of the ceramic plate, the second ceramic plate is clamped between the bosses of the adjacent brick bodies, the middle of the second ceramic plate is in locking connection with the inner side end of the locking screw through a nut, the outer side end of the locking screw is in threaded connection with the inner wall of the industrial furnace body, and the locking screw outwards sequentially penetrates through the second ceramic plate, the first ceramic plate and the filling assembly.
After the technical scheme is adopted, the utility model has the beneficial effects that: the installation of the whole furnace lining structure is simplified by installing the plurality of framework components on the inner wall of the industrial furnace body, when the local furnace lining structure needs to be replaced, the locking screw on the longitudinal row of wear-resistant interlayer parallel to the length direction of the industrial furnace body at the corresponding position is firstly unscrewed and taken down, meanwhile, the longitudinal row of ceramic plates II parallel to the length direction of the industrial furnace body at the corresponding position are sequentially taken down, then the ceramic plates I, the heat insulation layer and the heat insulation layer are gradually taken down from the furnace mouth position to the inner side, after the replacement of the components at the corresponding position is completed, the components are installed by the opposite steps, the replacement of the components is simpler, and the difficulty of later maintenance and replacement is greatly reduced;
The heat preservation and the insulating layer of comparatively light make whole furnace lining structure more convenient when the later stage is changed, reduce the later maintenance and change the degree of difficulty, set up ceramic plate one, ceramic plate two in the furnace lining inboard, cooperate locking screw, not only can compress tightly fixedly heat preservation, insulating layer, also can promote the service strength and the wear resistance of whole furnace lining simultaneously, promote the life of furnace lining.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the whole structure of an industrial furnace lining structure of the utility model.
FIG. 2 is a schematic view of the brick structure of an industrial furnace lining structure according to the present utility model.
FIG. 3 is a schematic view of the connection of a brick body and a fixing screw of an industrial furnace lining structure of the utility model.
FIG. 4 is a schematic view of the main structure of a lining structure of an industrial furnace according to the present utility model.
FIG. 5 is a schematic diagram of the connection of a second ceramic plate with a locking screw in the lining structure of the industrial furnace.
In the figure, a 100-industrial furnace body;
200-filling components, 210-heat preservation layers and 220-heat insulation layers;
300-skeleton components, 310-first bosses, 320-second bosses, 330-brick bodies, 331-mounting holes, 340-fixing pieces, 341-columns, 342-inner hexagonal grooves and 350-fixing screws;
400-abrasion-resistant interlayer, 410-ceramic plate I, 420-locking screw and 430-ceramic plate II.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a technical solution: an industrial furnace lining structure comprising: the industrial furnace comprises an industrial furnace body 100, a filling assembly 200, skeleton assemblies 300 and a wear-resistant interlayer 400, wherein a plurality of skeleton assemblies 300 are arranged on the left inner wall, the right inner wall and the upper inner wall of the industrial furnace body 100 at equal intervals, the filling assembly 200 is filled at one side, close to the industrial furnace body 100, of the skeleton assemblies 300, and the wear-resistant interlayer 400 is arranged at one side, far away from the industrial furnace body 100, of the skeleton assemblies 300;
The filling assembly 200 comprises a heat preservation layer 210 and a heat insulation layer 220, wherein the heat insulation layer 220 is positioned on the inner side of the heat preservation layer 210, and the outer wall of the heat preservation layer 210 is abutted with the inner wall of the industrial furnace body 100;
The framework assembly 300 comprises a brick body 330 and a fixing screw 350, one end of the brick body 330, which is close to the inner wall of the industrial furnace body 100, is fixedly connected with the inner wall of the industrial furnace body 100 through the fixing screw 350, a limiting rod is inserted onto the fixing screw 350, and the front end and the rear end of the limiting rod are respectively in threaded connection with a locking block.
Referring to fig. 1 to 4, as a first embodiment of the present utility model, the heat insulation layer 210 is formed by stacking a plurality of heat insulation felts, the heat insulation layer 220 is formed by stacking three layers of ceramic fiber carpets and two layers of calcium silicate boards in sequence, and the relatively light heat insulation layer 210 and the heat insulation layer 220 make the whole furnace lining structure more convenient in later replacement, and reduce the difficulty of later maintenance and replacement.
A second lug boss 320 is integrally arranged on one side, far away from the inner wall of the industrial furnace body 100, of the brick body 330, and a first lug boss 310 is integrally arranged on one end, far away from the brick body 330, of the second lug boss 320;
The first boss 310 and the second boss 320 penetrate from front to back to form a first cavity, and the front surface of the brick 330 penetrates back to form a second cavity.
The middle of the surface of one side of the brick body 330, which is close to the inner wall of the industrial furnace body 100, is provided with a mounting hole 331, the mounting hole 331 is communicated with the cavity II, and the brick body 330 is connected with the fixing screw 350 through the mounting hole 331.
The part of the fixing screw 350 positioned in the second cavity is in threaded connection with the upper side of the fixing piece 340, the fixing piece 340 comprises a cylinder 341 and an inner hexagonal groove 342, the lower side of the cylinder 341 is upwards sunken to form the inner hexagonal groove 342, in actual use, the framework assembly 300 is arranged, installation staff can conveniently build a furnace lining structure in the early stage, and meanwhile, when part of the structure in the furnace lining is damaged and needs to be replaced, the quick replacement can be carried out, and the labor intensity and difficulty of replacement are reduced.
When the local furnace lining structure needs to be replaced, the locking screw 420 on the vertical row of wear-resistant interlayer 400 parallel to the length direction of the industrial furnace body 100 at the corresponding position is unscrewed and taken down, meanwhile, the vertical row of ceramic plates 430 parallel to the length direction of the industrial furnace body 100 at the corresponding position are sequentially taken down, then the ceramic plates 410, the heat insulation layer 210 and the heat insulation layer 220 are gradually taken down from the furnace mouth position to the inner side, after the components at the corresponding positions are replaced, the components are assembled by the opposite steps, and the replacement components are simpler, so that the difficulty of later maintenance and replacement is greatly reduced.
Referring to fig. 1 and 5, as a first embodiment of the present utility model, the wear-resistant barrier 400 includes a first ceramic plate 410, a second ceramic plate 430 and a locking screw 420, wherein the first ceramic plate 410 is clamped inside between the bosses 320 of the adjacent brick 330, and one side of the first ceramic plate 410, which is close to the inner wall of the industrial furnace body 100, abuts against the heat insulation layer 220.
The inner side surface of the first ceramic plate 410 is abutted with the outer side surface of the second ceramic plate 430, the second ceramic plate 430 is clamped between the bosses 320 of the adjacent brick bodies 330, the middle of the second ceramic plate 430 is in locking connection with the inner side end of the locking screw 420 through a nut, the outer side end of the locking screw 420 is in threaded connection with the inner wall of the industrial furnace body 100, and the locking screw 420 sequentially penetrates through the second ceramic plate 430, the first ceramic plate 410 and the filling assembly 200 outwards.
The ceramic plate I410 and the ceramic plate II 430 are arranged on the inner side of the furnace lining and are matched with the locking screw 420, so that the heat preservation layer 210 and the heat insulation layer 220 can be pressed and fixed, the service strength and the wear resistance of the whole furnace lining can be improved, and the service life of the furnace lining can be prolonged (the ceramic plate I410 and the ceramic plate II 430 are mullite ceramic bricks, and the inner side surface of the ceramic plate II 430 is coated with a ceramic high-molecular wear-resistant coating layer).
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. An industrial furnace lining structure comprising: the industrial furnace is characterized in that a plurality of framework components (300) are arranged on the left side inner wall, the right side inner wall and the upper side inner wall of the industrial furnace body (100) at equal intervals, one side, close to the industrial furnace body (100), of each framework component (300) is filled with the corresponding filling component (200), and one side, far away from the industrial furnace body (100), of each framework component (300) is provided with the corresponding wear-resistant interlayer (400);
The filling assembly (200) comprises a heat insulation layer (210) and a heat insulation layer (220), wherein the heat insulation layer (220) is positioned on the inner side of the heat insulation layer (210), and the outer wall of the heat insulation layer (210) is abutted with the inner wall of the industrial furnace body (100);
The framework assembly (300) comprises a brick body (330) and a fixing screw (350), one end of the brick body (330) close to the inner wall of the industrial furnace body (100) is fixedly connected with the inner wall of the industrial furnace body (100) through the fixing screw (350), a limiting rod is inserted into the fixing screw (350), and the front end and the rear end of the limiting rod are respectively in threaded connection with a locking block.
2. An industrial furnace lining structure according to claim 1, wherein: the heat insulation layer (210) is formed by overlapping a plurality of layers of heat insulation felts, and the heat insulation layer (220) is formed by overlapping a three-layer ceramic fiber blanket and two layers of calcium silicate boards in sequence.
3. An industrial furnace lining structure according to claim 1, wherein: one side of the brick body (330) far away from the inner wall of the industrial furnace body (100) is integrally provided with a boss II (320), and one end of the boss II (320) far away from the brick body (330) is integrally provided with a boss I (310);
A first cavity is formed between the first boss (310) and the second boss (320) in a penetrating mode from front to back, and a second cavity is formed on the front surface of the brick body (330) in a penetrating mode backwards.
4. A lining structure for an industrial furnace as claimed in claim 3, wherein: the brick body (330) is close to the middle of one side surface of the inner wall of the industrial furnace body (100) and is provided with a mounting hole (331), the mounting hole (331) is communicated with the cavity II, and the brick body (330) is connected with the fixing screw rod (350) through the mounting hole (331).
5. An industrial furnace lining structure according to claim 4, wherein: the part of the fixing screw rod (350) positioned in the second cavity is in threaded connection with the upper side of the fixing piece (340), the fixing piece (340) comprises a cylinder (341) and an inner hexagonal groove (342), and the lower side of the cylinder (341) is recessed upwards to form the inner hexagonal groove (342).
6. An industrial furnace lining structure according to claim 1, wherein: the wear-resistant interlayer (400) comprises a first ceramic plate (410), a second ceramic plate (430) and a locking screw (420), wherein the first ceramic plate (410) is clamped on the inner side between the bosses (320) of the adjacent brick bodies (330), and one side, close to the inner wall of the industrial furnace body (100), of the first ceramic plate (410) is abutted against the heat insulation layer (220).
7. An industrial furnace lining structure according to claim 6, wherein: the inner side surface of the first ceramic plate (410) is abutted with the outer side surface of the second ceramic plate (430), the second ceramic plate (430) is clamped between the bosses (320) of the adjacent brick bodies (330), the middle of the second ceramic plate (430) is in locking connection with the inner side end of the locking screw (420) through a nut, the outer side end of the locking screw (420) is in threaded connection with the inner wall of the industrial furnace body (100), and the locking screw (420) sequentially penetrates through the second ceramic plate (430), the first ceramic plate (410) and the filling assembly (200) outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322448512.1U CN221055533U (en) | 2023-09-08 | 2023-09-08 | Furnace lining structure of industrial furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322448512.1U CN221055533U (en) | 2023-09-08 | 2023-09-08 | Furnace lining structure of industrial furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221055533U true CN221055533U (en) | 2024-05-31 |
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ID=91204976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322448512.1U Active CN221055533U (en) | 2023-09-08 | 2023-09-08 | Furnace lining structure of industrial furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221055533U (en) |
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2023
- 2023-09-08 CN CN202322448512.1U patent/CN221055533U/en active Active
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