CN115900349B - Wear-resisting high temperature resistant furnace lining of easy to maintain - Google Patents
Wear-resisting high temperature resistant furnace lining of easy to maintain Download PDFInfo
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- CN115900349B CN115900349B CN202211233724.1A CN202211233724A CN115900349B CN 115900349 B CN115900349 B CN 115900349B CN 202211233724 A CN202211233724 A CN 202211233724A CN 115900349 B CN115900349 B CN 115900349B
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Abstract
The application discloses an easy-to-maintain wear-resistant and high-temperature-resistant furnace lining which comprises a plurality of first furnace lining bricks, wherein the plurality of first furnace lining bricks are divided into a plurality of rings, each ring of first furnace lining bricks is formed by annularly and equidistantly distributing the plurality of first furnace lining bricks, two adjacent first furnace lining bricks are mutually spliced, the plurality of rings of first furnace lining bricks are distributed in a row from top to bottom, and the two adjacent rings of first furnace lining bricks are mutually abutted. The furnace lining has better high-temperature resistance and wear resistance effects, and can be maintained conveniently in a replacement mode, so that the service life of the furnace lining is prolonged.
Description
Technical Field
The application relates to the field of furnace linings, in particular to a wear-resistant and high-temperature-resistant furnace lining which is easy to maintain.
Background
The furnace lining is built by refractory bricks or cast materials, and the materials and the properties are different. The furnace lining has very important effect on heat preservation and heat insulation in the furnace body, and has certain parameter requirements during manufacturing and installation, for example, the furnace lining mainly considers wear resistance, thermal shock damage resistance and alkali metal corrosion resistance. The existing furnace lining material is often worn after being installed and used for a period of time, so that maintenance is needed, but the existing furnace lining material is often inconvenient to maintain or has high maintenance cost, and the service life of the furnace lining is not easy to improve. If the worn part of the furnace lining can be replaced in time, the service life of the furnace lining can be greatly prolonged, and the maintenance cost is low.
Disclosure of Invention
The application aims to: the application aims to overcome the defects of the prior art and provides a wear-resistant and high-temperature-resistant furnace lining which is easy to maintain.
The technical scheme is as follows: the utility model provides a furnace lining, includes a plurality of first furnace lining bricks, and a plurality of first furnace lining bricks divide into the multiturn, and every circle of first furnace lining bricks is annular equidistant distribution by a plurality of first furnace lining bricks and constitutes and adjacent two first furnace lining bricks splice each other, and a plurality of circles of first furnace lining bricks from the top down are in a row and distribute, and adjacent two circles of first furnace lining bricks butt each other.
Further, the first furnace lining brick comprises a first brick body in a cambered surface shape, a vertical connecting strip positioned at one side of the first brick body and a vertical limiting plate fixedly connected with the connecting strip, a vertical slot inserted by the connecting strip is formed at the other side of the first brick body, the first brick body is provided with a vertical first through slot and a vertical second through slot, the second through slot is communicated with the vertical slot, and the limiting plate is positioned in the second through slot; the top of the first brick body is provided with a limiting lug, and the bottom of the first brick body is provided with a limiting groove matched with the limiting lug.
Further, the top end of the first brick body is provided with two limit protruding blocks, namely a first limit protruding block and a second limit protruding block, and the bottom end of the first brick body is provided with two limit grooves, namely a first limit groove and a second limit groove; the first projection of each of the remaining first bricks except the uppermost ring of first bricks is inserted into the second recess of one of the first bricks above it, and the second projection is inserted into the first recess of one of the first bricks above it.
Further, the furnace lining bricks further comprise a plurality of second furnace lining bricks, the second furnace lining bricks are divided into a plurality of rings, the second furnace lining bricks of each ring are distributed in an annular equidistant manner, and the second furnace lining bricks of the plurality of rings are distributed in a row from top to bottom; the number of the second furnace lining bricks is equal to that of the first furnace lining bricks; the inner cambered surface of the first furnace lining brick is fixedly provided with a vertical bar-shaped lug, two sides of the top end of the bar-shaped lug are provided with top end inserting blocks, two sides of the bottom end of the bar-shaped lug are provided with bottom end supporting blocks, two bottom end inserting blocks correspond to the two bottom end supporting blocks one by one, and the corresponding bottom end inserting blocks are connected with the bottom end supporting blocks; the strip-shaped convex blocks of two adjacent first furnace lining bricks of the same circle are provided with one second furnace lining brick, the second furnace lining brick comprises a cambered surface-shaped second brick body, two sides of the second brick body are provided with a vertical first strip-shaped limiting block and a vertical second strip-shaped limiting block, a vertical strip-shaped limiting slot which is inserted by the top end inserting block and the bottom end inserting block is formed between the first strip-shaped limiting block and the second strip-shaped limiting block on the same side, the first strip-shaped limiting block is closer to the first plate body relative to the second strip-shaped limiting block, and the bottom end of the first strip-shaped limiting block is provided with a first notch for accommodating the bottom end supporting block.
Further, pouring materials are filled in the first through groove and the second through groove of the first furnace lining brick.
Further, the first furnace lining brick is a high alumina refractory brick or a clay brick.
Further, the second furnace lining brick is a silicon carbide refractory brick.
Further, the casting material is a refractory casting material.
Specifically, the casting material consists of granular and powdery materials with reasonable grading and a binding agent. The particles and fines may be composed of refractory materials such as siliceous refractory materials, clay refractory materials, high alumina refractory materials, and the like. The binder may be cement, inorganic salts (sodium silicate, sulfate, phosphate, etc.), and organic substances (tar pitch, phenolic resin, etc.).
Further, the surface of the top end insert block facing the first brick body and the surface of the top end insert block far away from the first brick body are provided with vertical grooves; the top end of the second bar-shaped limiting block is provided with a second notch and a vertical first limiting groove communicated with the second notch, a first vertical block and a second vertical block are arranged at the second notch, the height of the first limiting groove is equal to that of the first vertical block, the height of the second vertical block is less than or equal to half of that of the first vertical block, and a second limiting groove is formed between the first vertical block and the second vertical block; an insertion space facing the top end insert block is formed between the first limit groove and the second limit groove, and the top end insert block, which is close to the second furnace lining brick, of the bar-shaped protruding blocks of the two first furnace lining bricks corresponding to at least one second furnace lining brick of the plurality of second furnace lining bricks is removed; arc-shaped limiting inserting plates are inserted into the second limiting grooves on the two sides of the second furnace lining bricks, the arc-shaped limiting inserting plates are inserted into the first limiting grooves and the second limiting grooves of the second furnace lining bricks, and the arc-shaped limiting inserting plates are inserted into the first limiting grooves and the second limiting grooves of the second furnace lining bricks adjacent to the second furnace lining bricks.
Further, the height of the arc-shaped limiting plugboard is equal to the height of the second vertical block.
Further, the arc limiting plugboard comprises a middle plate and two end plates, wherein the two ends of the middle plate are provided with cambered surface-shaped insertion plates, and the two end plates are provided with cambered surface-shaped insertion grooves matched with the insertion plates.
Further, two second gaps of the second furnace lining brick are provided with limiting units, each limiting unit comprises a plastic piece and two limiting inserting blocks, each plastic piece comprises two plate-shaped pieces and a cambered surface-shaped piece connected with the two plate-shaped pieces, the two limiting inserting blocks correspond to the two plate-shaped pieces one by one, and each plate-shaped piece is fixedly adhered with one limiting inserting block; the height of the limiting plug block is smaller than that of the first vertical block, the limiting plug block comprises a first plug block, a second plug block fixed at the bottom end of the first plug block and a second plug block fixed on the surface of the first plug block facing the first brick body, the first plug block is located above the second vertical block and the arc limiting plug board, the second plug block and the third plug block are located at the inserting space, the bottom end of the third plug block is located between the arc limiting plug board and the bar-shaped convex block, and a gap is reserved between the limiting unit and the second brick body above the limiting unit.
Further, the height of the first vertical block is equal to the height of the top insert block.
Further, the first lining brick is integrally formed.
Further, the second furnace lining brick is integrally formed.
Further, the casting material is arranged between the two plate-shaped parts of the plastic part, the casting material is arranged at a gap between the limiting unit and the second brick body above the limiting unit, and the gap is communicated with a space between the two plate-shaped parts of the plastic part.
The application also discloses a maintenance method of the furnace lining, which comprises the following steps:
1) Confirming a second furnace lining brick which needs to be maintained as a furnace lining brick which needs to be maintained;
2) Removing two top end plugs corresponding to the furnace lining bricks to be maintained along the vertical grooves;
3) Taking out the furnace lining bricks to be maintained, and installing replacement furnace lining bricks for replacing the furnace lining bricks to be maintained;
4) And installing the arc limiting plugboards at the two second gaps for replacing the lining bricks.
Further, the maintenance method further includes: and installing the limiting units at two second gaps for replacing the lining bricks.
Further, the maintenance method further includes: and filling the casting material in the space between the two plate-shaped parts of the plastic part and the gap.
The beneficial effects are that: compared with the common furnace lining, the furnace lining provided by the application adopts a mode of splicing a plurality of first furnace lining bricks and adopts a staggered splicing mode, so that the heat insulation effect is better, casting materials can be filled in the first and second grooves inside the furnace lining, on one hand, a composite structure is formed, so that the heat insulation effect is better, and on the other hand, the splicing among the furnace lining bricks is firmer.
The furnace lining adopts a mode of a plurality of first furnace lining bricks and a plurality of second furnace lining bricks, so that a spacing space is formed between the first furnace lining bricks and the second furnace lining bricks, heat transfer is prevented, and a better heat insulation effect is formed.
The second lining brick of the furnace lining can conveniently replace a single lining brick, so that the furnace lining is maintained in time, and the service life of the furnace lining is prolonged.
Drawings
FIG. 1 is a schematic view of a furnace lining according to the application;
FIG. 2 is a schematic view of the fit of the first and second lining bricks of two layers;
FIG. 3 is a schematic view of the separation of the first and second lining bricks of two layers;
FIG. 4 is a schematic view of the new furnace lining tiles installed;
FIG. 5 is a schematic illustration of the separation of the components after installation of new lining bricks;
FIG. 6 is a schematic view of the separation of the components when the arc limiting insert plate is not installed when the replacement furnace lining brick is installed;
FIG. 7 is a schematic view of the separation of the components when the arc-shaped limiting insert plate is installed and the limiting unit is not installed when the replacement furnace lining bricks are installed;
FIG. 8 is a schematic diagram showing the completion of the installation of the spacing unit when the replacement furnace lining bricks are installed;
FIG. 9 is a schematic diagram of a bitcell.
For simplicity of illustration, each collar has 12 first furnace lining bricks and 12 second furnace lining bricks, but in practice there may be more first furnace lining bricks and more second furnace lining bricks per collar.
Detailed Description
Reference numerals: 1, a first furnace lining brick; 1.1, a first through groove; 1.2 connecting strips; 1.3 limiting plates; 1.4 a second through slot; 1.5 vertical slots; 1.6.1 first limit bump; 1.6.2 second limit bump; 1.7.1 first limit grooves; 1.7.2 second limit grooves; 1.8 bar-shaped bumps; 1.8.1 top plugs; 1.8.2 vertical grooves; 1.8.3 bottom plug; 1.8.4 bottom support blocks;
2, a second furnace lining brick; 2.1 a first bar-shaped limiting block; 2.1.1 first indentations; 2.2 a second bar-shaped limiting block; 2.2.1 second gap; 2.2.2 first limit grooves; 2.2.3 first vertical blocks; 2.2.4 second vertical blocks; 2.3 bar-shaped limiting slots;
3, arc limiting plugboards; 3.1 intermediate plate; 3.1.1 inserting plates; 3.2 end plates;
4, a limiting unit; 4.1 limiting plug blocks; 4.1.1 first plug; 4.1.2 second inserts; 4.1.3 third plug; 4.2 plastic parts; 4.2.1 plate-like members; 4.2.2 cambered surface-like parts.
The following is a detailed description with reference to the accompanying drawings: the utility model provides an easy to maintain's wear-resisting high temperature resistant furnace lining, includes a plurality of first furnace lining bricks 1, and a plurality of first furnace lining bricks 1 divide into the multiturn, and every circle of first furnace lining bricks 1 is annular equidistant distribution by a plurality of first furnace lining bricks 1 and constitutes and adjacent two first furnace lining bricks 1 splice each other, and multiturn first furnace lining bricks 1 from the top down is one-tenth and is listed as the distribution, and the mutual butt of adjacent two circles first furnace lining bricks 1. The first furnace lining brick 1 comprises a cambered surface-shaped first brick body, a vertical connecting strip 1.2 positioned at one side of the first brick body and a vertical limiting plate 1.3 fixedly connected with the connecting strip 1.2, wherein a vertical slot 1.5 inserted by the connecting strip is formed at the other side of the first brick body, the first brick body is provided with a vertical first through slot 1.1 and a vertical second through slot 1.4, the second through slot 1.4 is communicated with the vertical slot 1.5, and the limiting plate 1.3 is positioned in the second through slot 1.4; the top of the first brick body is provided with a limiting lug, and the bottom of the first brick body is provided with a limiting groove matched with the limiting lug. The top end of the first brick body is provided with two limit protruding blocks which are respectively a first limit protruding block 1.6.1 and a second limit protruding block 1.6.2, and the bottom end of the first brick body is provided with two limit grooves which are respectively a first limit groove 1.7.1 and a second limit groove 1.7.2; the first projection 1.6.1 of each of the remaining first furnace lining bricks 1 except for the uppermost turn of the first furnace lining brick is inserted into the second recess 1.7.2 of one of the first furnace lining bricks 1 above it, and the second projection 1.6.2 is inserted into the first recess 1.7.1 of one of the first furnace lining bricks 1 above it.
The furnace lining further comprises a plurality of second furnace lining bricks 2, the plurality of second furnace lining bricks 2 are divided into a plurality of rings, the plurality of second furnace lining bricks 2 of each ring are distributed in an annular equidistant manner, and the plurality of second furnace lining bricks 2 are distributed in a row from top to bottom; the number of the second furnace lining bricks 2 is equal to the number of the first furnace lining bricks 1; a vertical bar-shaped protruding block 1.8 is fixed at the inner cambered surface of the first furnace lining brick 1, top end inserting blocks 1.8.1 are arranged on two sides of the top end of the bar-shaped protruding block 1.8, bottom end inserting blocks 1.8.3 are arranged on two sides of the bottom end of the bar-shaped protruding block 1.8, bottom end supporting blocks 1.8.4 are also arranged on two sides of the bottom end of the bar-shaped protruding block 1.8, two bottom end inserting blocks 1.8.3 are in one-to-one correspondence with two bottom end supporting blocks 1.8.4, and the corresponding bottom end inserting blocks 1.8.3 and the corresponding bottom end supporting blocks 1.8.4 are connected with each other; the strip-shaped protruding blocks 1.8 of two adjacent first furnace lining bricks 1 of the same circle are provided with one second furnace lining brick 2, the second furnace lining brick 2 comprises a cambered surface-shaped second brick body, two sides of the second brick body are provided with a vertical first strip-shaped limiting block 2.1 and a vertical second strip-shaped limiting block 2.2, a vertical strip-shaped limiting slot 2.3 which is inserted by the top end inserting block 1.8.1 and the bottom end inserting block 1.8.3 is formed between the first strip-shaped limiting block 2.1 and the second strip-shaped limiting block 2.2 on the same side, the first strip-shaped limiting block 2.1 is closer to the first plate body relative to the second strip-shaped limiting block 2.2, and the bottom end of the first strip-shaped limiting block 2.1 is provided with a first notch 2.1.1 used for accommodating a bottom end supporting block 1.8.4. Pouring materials are filled in the first through groove 1.1 and the second through groove 1.4 of the first furnace lining brick 1; the first furnace lining bricks 1 are high-alumina refractory bricks or clay bricks, the second furnace lining bricks 2 are silicon carbide refractory bricks, and the casting material is a refractory casting material.
The surface of the top end insert block 1.8.1 facing the first brick body 1 and the surface far away from the first brick body 1 are provided with vertical grooves 1.8.2; the top end of the second bar-shaped limiting block 2.2 is provided with a second notch 2.2.1 and a vertical first limiting groove 2.2.2 communicated with the second notch 2.2.1, the second notch 2.2.1 is provided with a first vertical block 2.2.3 and a second vertical block 2.2.4, the height of the first limiting groove 2.2.2 is equal to that of the first vertical block 2.2.3, the height of the second vertical block 2.2.4 is less than or equal to half of that of the first vertical block 2.2.3, and a second limiting groove is formed between the first vertical block 2.2.3 and the second vertical block 2.2.4; an insertion space facing the top end insert block 1.8.1 is formed between the first limit groove and the second limit groove, and the top end insert block 1.8.1, which is close to the second furnace lining brick, of the bar-shaped protruding blocks 1.8 of the two first furnace lining bricks corresponding to at least one second furnace lining brick of the plurality of second furnace lining bricks 2 is removed; arc-shaped limiting insertion plates 3 are inserted into the second limiting grooves on two sides of the second furnace lining bricks 2, the arc-shaped limiting insertion plates 3 are inserted into the first limiting grooves 2.2.2 and the second limiting grooves of the second furnace lining bricks 2, and the arc-shaped limiting insertion plates 3 are inserted into the first limiting grooves 2.2.2 and the second limiting grooves of the second furnace lining bricks 2 adjacent to the second furnace lining bricks 2. The arc limiting plugboard 3 comprises a middle plate 3.1 and two end plates 3.2, wherein both ends of the middle plate 3.1 are respectively provided with an arc-shaped insertion plate 3.1.1, and both ends of the two end plates 3.2 are respectively provided with an arc-shaped insertion groove matched with the insertion plates 3.1.1. The two second gaps 2.2.1 of the second furnace lining brick 2 are provided with limiting units 4, each limiting unit 4 comprises a plastic part 4.2 and two limiting inserting blocks 4.1, each plastic part 4.2 comprises two plate-shaped parts 4.2.1 and cambered surface-shaped parts 4.2.2 for connecting the two plate-shaped parts 4.2.1, the two limiting inserting blocks 4.1 and the two plate-shaped parts 4.2.1 are in one-to-one correspondence, and each plate-shaped part 4.2.1 is fixedly adhered with one limiting inserting block 4.1; the height of the limiting plug 4.1 is smaller than that of the first vertical block 2.2.3, the limiting plug 4.1 comprises a first plug 4.1.1, a second plug 4.1.2 fixed at the bottom end of the first plug 4.1.1 and a second plug 4.1.2 fixed on the surface of the first plug 4.1.1 facing the first brick 1, the first plug 4.1.1 is located above the second vertical block 2.2.4 and the arc limiting plug 3, the second plug 4.1.2 and the third plug 4.1.3 are located at the insertion space, the bottom end of the third plug 4.1.3 is located between the arc limiting plug 2.2.3 and the strip-shaped lug 1.8, and a gap is reserved between the limiting unit 4 and the second brick 2 above the limiting unit 4. The pouring material is arranged between the two plate-shaped pieces 4.2.1 of the plastic piece 4.2, the pouring material is arranged at a gap between the limiting unit 4 and the second brick body 2 above the limiting unit 4, and the gap is communicated with a space between the two plate-shaped pieces 4.2.1 of the plastic piece 4.2.
According to the furnace lining disclosed by the application, as shown in the figure, a plurality of first furnace lining bricks are combined into a cylindrical structure which is matched with the furnace body, two adjacent layers can be distributed in a staggered manner, and casting materials are arranged in the first through grooves and the second through grooves of the first furnace lining bricks, so that a composite structure is formed, and a better heat insulation effect is realized. And a plurality of second furnace lining bricks are arranged in the first furnace lining bricks, and a spacing space is arranged between the second furnace lining brick layer and the first furnace lining brick layer, so that a better heat insulation effect is achieved. And the second lining brick can be made of lining materials with better wear-resisting effect, so that the second lining brick has better wear-resisting effect. And when checking the furnace lining regularly, when a certain second furnace lining brick needs to be maintained, the top end insert block of the first furnace lining brick can be removed, so that the second furnace lining brick to be replaced is taken out, a new second furnace lining brick is replaced, and the arc-shaped limiting inserting plate and the limiting unit are installed, pouring materials are arranged, so that the second furnace lining brick after replacement is fixed, and the furnace lining brick can be used continuously.
When maintenance is needed, the maintenance method of the wear-resistant and high-temperature-resistant furnace lining easy to maintain comprises the following steps:
1) Confirming a second furnace lining brick which needs to be maintained as a furnace lining brick which needs to be maintained;
2) Removing two top end plugs corresponding to the furnace lining bricks to be maintained along the vertical grooves; ( The vertical grooves enable the top end insert to be removed more easily, and after the top end insert is removed, the top end insert is smoother, and the limiting unit is convenient to install; and because of the limit plug blocks, two limit plug blocks must be removed to remove the second furnace lining brick to be maintained )
3) Taking out the furnace lining bricks to be maintained, and installing replacement furnace lining bricks for replacing the furnace lining bricks to be maintained; ( At this time, the second furnace lining bricks to be maintained can be conveniently detached without any blocking, and new furnace lining bricks are installed, although the second furnace lining bricks are theoretically larger in outer diameter than in inner diameter, so that one side of the outer diameter is larger, certain blocking exists in detachment, but as the difference between the inner diameter and the outer diameter is very small relative to the value of the inner diameter and the outer diameter, and the second furnace lining bricks are not as precise as mechanical parts, the second furnace lining bricks can be taken out and installed under the action of external force, and the difference between the inner diameter and the outer diameter better counteracts the installation clearance between the furnace lining bricks, so that the cooperation between the furnace lining bricks is more stable after installation and is not easy to fall off. Of course, the first bar-shaped limiting block can be protruded to two sides less, and a certain gap is formed between the first bar-shaped limiting block and the corresponding bar-shaped convex block, so that the second furnace lining brick is more convenient to take out and replace )
4) The arc limiting plugboards are arranged at the two second gaps for replacing the furnace lining bricks (the arc limiting plugboards can be separated and positioned above the second limiting grooves and then assembled, so that the arc limiting plugboards can be assembled and the arc limiting plugboards can stably limit the second furnace lining bricks);
5) The limiting units are arranged at the two second gaps of the replacement furnace lining bricks (the limiting units can be inserted into the set positions from the upper parts of the second vertical blocks and then move downwards for a small section so that the bottom ends of the third inserting blocks are inserted between the first vertical blocks and the strip-shaped convex blocks; the limiting unit enables the arc limiting plugboard not to move upwards, and the plastic piece has certain elasticity to expand to two sides, so that the two limiting plugblocks are abutted to two sides, and the installation is more stable;
6) And filling the casting material in the space between the two plate-shaped parts of the plastic part and the gap (the casting material fixes the space, so that the installation is firmer, and the second furnace lining brick after the installation cannot fall off. And in the later use, although the plastic part is not melted, the second furnace lining brick is still very firm and cannot fall off due to the fixation of casting materials, the limit and friction force of the arc limit plugboard and the limit plugboard, and the like.
While the application has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the application as defined in the following claims.
Claims (7)
1. The wear-resistant high-temperature-resistant furnace lining is characterized by comprising a plurality of first furnace lining bricks and a plurality of second furnace lining bricks, wherein the plurality of first furnace lining bricks are divided into a plurality of rings, each ring of first furnace lining bricks is formed by annularly and equidistantly distributing the plurality of first furnace lining bricks, two adjacent first furnace lining bricks are mutually spliced, the plurality of rings of first furnace lining bricks are distributed in a row from top to bottom, and the two adjacent rings of first furnace lining bricks are mutually abutted; the first furnace lining brick comprises a cambered surface-shaped first brick body, a vertical connecting strip positioned at one side of the first brick body and a vertical limiting plate fixedly connected with the connecting strip, wherein a vertical slot inserted by the connecting strip is formed in the other side of the first brick body, the first brick body is provided with a vertical first through slot and a vertical second through slot, the second through slot is communicated with the vertical slot, and the limiting plate is positioned in the second through slot; the top end of the first brick body is provided with a limiting lug, and the bottom end of the first brick body is provided with a limiting groove matched with the limiting lug; the top end of the first brick body is provided with two limit lugs which are a first limit lug and a second limit lug respectively, and the bottom end of the first brick body is provided with two limit grooves which are a first limit groove and a second limit groove respectively; the first lug of each of the remaining first lining bricks except the uppermost circle of first lining bricks is inserted into the second groove of one of the first lining bricks above the first lug, and the second lug is inserted into the first groove of one of the first lining bricks above the second lug; the plurality of second furnace lining bricks are divided into a plurality of rings, the plurality of second furnace lining bricks of each ring are distributed at equal intervals in an annular shape, and the plurality of rings of second furnace lining bricks are distributed in a row from top to bottom; the number of the second furnace lining bricks is equal to that of the first furnace lining bricks; the inner cambered surface of the first furnace lining brick is fixedly provided with a vertical bar-shaped lug, two sides of the top end of the bar-shaped lug are provided with top end inserting blocks, two sides of the bottom end of the bar-shaped lug are provided with bottom end supporting blocks, two bottom end inserting blocks correspond to the two bottom end supporting blocks one by one, and the corresponding bottom end inserting blocks are connected with the bottom end supporting blocks; the strip-shaped convex blocks of two adjacent first furnace lining bricks of the same circle are provided with one second furnace lining brick, the second furnace lining brick comprises a cambered surface-shaped second brick body, two sides of the second brick body are provided with a vertical first strip-shaped limiting block and a vertical second strip-shaped limiting block, a vertical strip-shaped limiting slot which is inserted by the top end inserting block and the bottom end inserting block is formed between the first strip-shaped limiting block and the second strip-shaped limiting block on the same side, the first strip-shaped limiting block is closer to the first plate body relative to the second strip-shaped limiting block, and the bottom end of the first strip-shaped limiting block is provided with a first notch for accommodating the bottom end supporting block.
2. The easy-to-maintain wear-resistant and high-temperature-resistant furnace lining according to claim 1, wherein casting materials are filled in the first through groove and the second through groove of the first furnace lining brick; the first furnace lining brick is a high-alumina refractory brick or a clay brick, and the second furnace lining brick is a silicon carbide refractory brick.
3. The easy-to-maintain wear resistant refractory lining of claim 2, wherein the top insert has vertical grooves on both the surface facing the first brick and the surface facing away from the first brick; the top end of the second bar-shaped limiting block is provided with a second notch and a vertical first limiting groove communicated with the second notch, a first vertical block and a second vertical block are arranged at the second notch, the height of the first limiting groove is equal to that of the first vertical block, the height of the second vertical block is less than or equal to half of that of the first vertical block, and a second limiting groove is formed between the first vertical block and the second vertical block; an insertion space facing the top end insert block is formed between the first limit groove and the second limit groove, and the top end insert block, which is close to the second furnace lining brick, of the bar-shaped protruding blocks of the two first furnace lining bricks corresponding to at least one second furnace lining brick of the plurality of second furnace lining bricks is removed; arc-shaped limiting inserting plates are inserted into the second limiting grooves on the two sides of the second furnace lining bricks, the arc-shaped limiting inserting plates are inserted into the first limiting grooves and the second limiting grooves of the second furnace lining bricks, and the arc-shaped limiting inserting plates are inserted into the first limiting grooves and the second limiting grooves of the second furnace lining bricks adjacent to the second furnace lining bricks.
4. A wear resistant refractory lining according to claim 3, wherein the arc limiting insert plate comprises a middle plate and two end plates, wherein both ends of the middle plate are provided with arc-shaped insert plates, and both end plates are provided with arc-shaped insert grooves matched with the insert plates.
5. The wear-resistant and high-temperature-resistant furnace lining easy to maintain according to claim 3, wherein a limiting unit is arranged at each of two second gaps of the second furnace lining brick, the limiting unit comprises a plastic part and two limiting inserts, the plastic part comprises two plate-shaped parts and a cambered surface-shaped part connected with the two plate-shaped parts, the two limiting inserts are in one-to-one correspondence with the two plate-shaped parts, and each plate-shaped part is fixedly bonded with one limiting insert; the height of the limiting plug block is smaller than that of the first vertical block, the limiting plug block comprises a first plug block, a second plug block fixed at the bottom end of the first plug block and a second plug block fixed on the surface of the first plug block facing the first brick body, the first plug block is located above the second vertical block and the arc limiting plug board, the second plug block and the third plug block are located at the inserting space, the bottom end of the third plug block is located between the arc limiting plug board and the bar-shaped convex block, and a gap is reserved between the limiting unit and the second brick body above the limiting unit.
6. The wear-resistant and high-temperature-resistant furnace lining easy to maintain according to claim 5, wherein the casting material is arranged between two plate-shaped pieces of the plastic piece, the casting material is arranged at a gap between the limiting unit and the second brick body above the limiting unit, and the gap is communicated with a space between the two plate-shaped pieces of the plastic piece.
7. A method of maintaining an easily maintainable wear-resistant refractory lining according to claim 6, comprising the steps of:
1) Confirming a second furnace lining brick which needs to be maintained as a furnace lining brick which needs to be maintained;
2) Removing two top end plugs corresponding to the furnace lining bricks to be maintained along the vertical grooves;
3) Taking out the furnace lining bricks to be maintained, and installing replacement furnace lining bricks for replacing the furnace lining bricks to be maintained;
4) The arc limiting plugboards are arranged at the two second gaps for replacing the furnace lining bricks;
5) The limiting units are arranged at two second gaps for replacing the lining bricks;
6) And filling the casting material in the space between the two plate-shaped parts of the plastic part and the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211233724.1A CN115900349B (en) | 2022-10-10 | 2022-10-10 | Wear-resisting high temperature resistant furnace lining of easy to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211233724.1A CN115900349B (en) | 2022-10-10 | 2022-10-10 | Wear-resisting high temperature resistant furnace lining of easy to maintain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115900349A CN115900349A (en) | 2023-04-04 |
| CN115900349B true CN115900349B (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202211233724.1A Active CN115900349B (en) | 2022-10-10 | 2022-10-10 | Wear-resisting high temperature resistant furnace lining of easy to maintain |
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| WO1995014202A1 (en) * | 1993-11-17 | 1995-05-26 | N.V. Gouda Vuurvast | Lining of a rotary furnace and brick used therefor |
| CN207112826U (en) * | 2017-05-26 | 2018-03-16 | 江苏国窑科技有限公司 | A kind of arc abrasive brick |
| CN207600205U (en) * | 2017-12-11 | 2018-07-10 | 福建省大田县恒丰工贸有限公司 | A kind of rotary kiln furnace lining refractory brick |
| CN210632933U (en) * | 2019-08-14 | 2020-05-29 | 鞍山市正大炉料有限公司 | Furnace lining for ladle slag line area |
| CN211575874U (en) * | 2020-01-06 | 2020-09-25 | 宜兴市中宜窑炉工程有限公司 | Brick with high thermal shock performance |
| CN212224299U (en) * | 2020-04-17 | 2020-12-25 | 巩义市红旗炉料有限公司 | Refractory brick |
| CN214400603U (en) * | 2021-02-04 | 2021-10-15 | 浙江宏丰炉料有限公司 | High-strength magnesia carbon brick for iron-melting converter |
| CN215413190U (en) * | 2021-09-01 | 2022-01-04 | 巩义市神龙耐火材料有限公司 | Dumping furnace brown corundum receiving bag |
| CN216028047U (en) * | 2021-10-18 | 2022-03-15 | 郑州市德耐科冶金有限公司 | Special refractory magnesia carbon brick in ladle |
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2022
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995014202A1 (en) * | 1993-11-17 | 1995-05-26 | N.V. Gouda Vuurvast | Lining of a rotary furnace and brick used therefor |
| CN207112826U (en) * | 2017-05-26 | 2018-03-16 | 江苏国窑科技有限公司 | A kind of arc abrasive brick |
| CN207600205U (en) * | 2017-12-11 | 2018-07-10 | 福建省大田县恒丰工贸有限公司 | A kind of rotary kiln furnace lining refractory brick |
| CN210632933U (en) * | 2019-08-14 | 2020-05-29 | 鞍山市正大炉料有限公司 | Furnace lining for ladle slag line area |
| CN211575874U (en) * | 2020-01-06 | 2020-09-25 | 宜兴市中宜窑炉工程有限公司 | Brick with high thermal shock performance |
| CN212224299U (en) * | 2020-04-17 | 2020-12-25 | 巩义市红旗炉料有限公司 | Refractory brick |
| CN214400603U (en) * | 2021-02-04 | 2021-10-15 | 浙江宏丰炉料有限公司 | High-strength magnesia carbon brick for iron-melting converter |
| CN215413190U (en) * | 2021-09-01 | 2022-01-04 | 巩义市神龙耐火材料有限公司 | Dumping furnace brown corundum receiving bag |
| CN216028047U (en) * | 2021-10-18 | 2022-03-15 | 郑州市德耐科冶金有限公司 | Special refractory magnesia carbon brick in ladle |
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| CN115900349A (en) | 2023-04-04 |
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