CN111365984A - Refractory brick for rotary kiln - Google Patents
Refractory brick for rotary kiln Download PDFInfo
- Publication number
- CN111365984A CN111365984A CN202010148135.8A CN202010148135A CN111365984A CN 111365984 A CN111365984 A CN 111365984A CN 202010148135 A CN202010148135 A CN 202010148135A CN 111365984 A CN111365984 A CN 111365984A
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- CN
- China
- Prior art keywords
- rock wool
- cover
- clamping
- refractory
- rotary kiln
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/28—Arrangements of linings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
- F27D1/045—Bricks for lining cylindrical bodies, e.g. skids, tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/14—Supports for linings
- F27D1/145—Assembling elements
- F27D1/147—Assembling elements for bricks
- F27D1/148—Means to suspend bricks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
- F27D1/045—Bricks for lining cylindrical bodies, e.g. skids, tubes
- F27D2001/047—Lining of cylindrical vessels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention belongs to the field of refractory bricks, and particularly relates to a refractory brick for a rotary kiln, which comprises a glass fiber heat-insulating layer, a fixed limiting ring, a kiln cavity, an upper rock wool cover, a lower rock wool cover, an embedded groove, an embedded limiting block, a refractory clamping brick, a filling groove cavity, a glass fiber filling block, an embedded clamping groove, a first refractory mortar layer, a mounting hole, a second refractory mortar layer and a mounting strip. The rotary kiln is reasonable in structure, after the rotary kiln is used, fire is resisted through the self fire resistance, and meanwhile, through the matching action of the glass fiber filling block, the rock wool round cover and the glass fiber heat insulation layer, heat insulation can be effectively carried out, the overall heat insulation effect of the rotary kiln is improved, and heat loss is reduced; laying of fire-resistant block brick, when forming the kiln chamber, carrying out the block between fire-resistant block brick and the gomphosis draw-in groove, hanging, it is spacing to realize, and the installation is piled up and is built comparatively simply, when laying, need not the artifical support that carries out fire-resistant block brick to it is convenient to provide for the construction.
Description
Technical Field
The invention belongs to the field of refractory bricks, and particularly relates to a refractory brick for a rotary kiln.
Background
The refractory bricks are called fire bricks for short; a refractory material fired from a refractory clay or other refractory material; yellowish or brownish; the refractory brick is mainly used for bricking smelting furnaces and can resist the high temperature of 1580-1770 ℃; the rotary kiln is a rotary calcining kiln, and belongs to building material equipment; the rotary kiln can be divided into a cement kiln, a metallurgical chemical kiln and a lime kiln according to different materials to be treated, and the interior of the rotary kiln is generally paved and piled in a fireproof shape to realize the fireproof.
The existing refractory bricks are generally rectangular block-shaped structures, and are generally bonded together only through refractory mortar during stacking, so that connection is realized, the refractory bricks are likely to fall off after stacking, a supporting structure is generally required for supporting, and the construction time is prolonged; after the refractory bricks are paved, the refractory bricks are generally fixed only through refractory mortar, and the refractory bricks are easy to fall off when the temperature difference between day and night in some remote areas is large. Therefore, a refractory brick for a rotary kiln has been proposed to solve the above problems.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a refractory brick for a rotary kiln.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a refractory brick for a rotary kiln, which comprises a rock wool circular cover and a glass fiber heat insulation layer laid on the outer wall of the rock wool circular cover, wherein the inner wall of the rock wool circular cover is uniformly provided with a plurality of embedded clamping grooves distributed in an annular array, the embedded clamping grooves are embedded and connected with a plurality of refractory clamping bricks, the refractory clamping bricks are bonded and connected through a first refractory mortar layer, a filling groove cavity is formed in each refractory clamping brick, a trapezoidal convex block is arranged in each filling groove cavity, a rubber block is arranged on the side wall adjacent to each convex block, a glass fiber filling block is fixedly filled in each filling groove cavity, the inner sides of the refractory clamping bricks form a kiln cavity, and the kiln cavity is of a cylindrical structure; fixed limit ring is all installed at the both ends of rock wool circle cover, and is provided with block installation suspended structure between the tip of limit ring and rock wool circle cover.
Preferably, the rock wool circle cover is the cylinder type structure, the rock wool circle cover comprises rock wool upper shield and rock wool lower shield, the bottom both sides of rock wool upper shield all fixed mounting have the gomphosis stopper, the top both sides of rock wool lower shield all open the gomphosis groove, the gomphosis is connected between gomphosis stopper and the gomphosis groove.
Preferably, the number of gomphosis stopper is a plurality of, and a plurality of gomphosis stopper evenly distributed is in the bottom of rock wool upper shield, the gomphosis stopper is the rectangle massive structure.
Preferably, the thickness of the glass fiber heat insulation layer is 5-6cm, the inner wall of the glass fiber heat insulation layer is bonded with the outer wall of the rock wool circular cover, the top of the fireproof clamping brick and the cross section of the embedding clamping groove are both in I-shaped structures, and the length of the embedding clamping groove is the same as that of the rock wool circular cover.
Preferably, the surface of fixed spacing ring is connected through the end bonding of second fire-resistant mud layer and rock wool circle cover, and the thickness on second fire-resistant mud layer is less than the thickness of fixed spacing ring, block installation suspended structure includes mounting bar and mounting hole, the tip at the rock wool circle cover is seted up to the mounting hole, the surface rigid coupling of mounting bar and fixed spacing ring, the mounting bar is connected with the mounting hole block, the figure of mounting bar is a plurality of, and a plurality of mounting bar is the surface that annular array distributes at fixed spacing ring.
Preferably, the rock wool upper shield and the rock wool lower shield are the same in geometric dimension, the rock wool upper shield and the rock wool lower shield are symmetrically arranged, the diameter of the inner ring of the fixed limiting ring is the same as that of the kiln cavity, and the number of the fixed limiting rings is two.
The invention has the beneficial effects that:
(1) the refractory brick for the rotary kiln is fireproof through the self-fireproof performance, and can effectively insulate heat through the matching action of the glass fiber filling block, the rock wool round cover and the glass fiber heat-insulating layer, so that the overall heat-insulating effect of the rotary kiln is improved, and the heat loss is reduced; simultaneously, install through trapezoidal lug, when using under the great environment of the difference in temperature round the clock, because the expend with heat and contract with cold that the difference in temperature caused greatly round the clock is overcome to the elasticity through the block rubber between the lug to prolong resistant firebrick's life, thereby simultaneously, prevent to resist firebrick through the lug of trapezoidal design and drop.
(2) The invention provides a refractory brick for a rotary kiln, which is used for laying a refractory clamping brick, wherein when a kiln cavity is formed, the refractory clamping brick is clamped with an embedded clamping groove and is hung to realize limiting, the installation and stacking are simple, and when the refractory clamping brick is laid, the refractory clamping brick is not required to be manually supported, so that convenience is provided for construction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the fixing and limiting ring of the present invention;
FIG. 4 is a schematic view of a rock wool lower cover and an engagement groove according to the present invention;
FIG. 5 is a schematic view of the structure of the refractory locking brick and the filling groove cavity of the present invention;
fig. 6 is a schematic structural view of the fixing and limiting ring and the mounting bar of the present invention.
In the figure: 1. glass fiber insulating layer, 2, fixed spacing ring, 3, kiln chamber, 4, rock wool upper shield, 5, rock wool lower shield, 6, gomphosis groove, 7, gomphosis stopper, 8, fire-resistant block brick, 801, filling groove cavity, 802, lug, 803, rubber piece, 9, glass fiber filling block, 10, gomphosis draw-in groove, 11, first fire-resistant mud layer, 12, mounting hole, 13, second fire-resistant mud layer, 14, mounting bar.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a refractory brick for a rotary kiln comprises a rock wool dome and a glass fiber thermal insulation layer 1 laid on the outer wall of the rock wool dome, wherein the glass fiber thermal insulation layer 1 is composed of a glass fiber thermal insulation layer, the thermal insulation effect of the glass fiber thermal insulation layer is improved, a plurality of embedded clamping grooves 10 distributed in an annular array are uniformly formed in the inner wall of the rock wool dome, the embedded clamping grooves 10 are embedded and connected with a plurality of refractory clamping bricks 8, the embedded clamping grooves 10 are clamped with the refractory clamping bricks 8 to realize limit suspension, the refractory clamping bricks 8 are bonded and connected through a first refractory mortar layer 11, a filling groove cavity 801 is formed in the refractory clamping bricks 8, a trapezoidal convex block 802 is installed in the filling groove cavity 801, a rubber block 803 is arranged on the side wall adjacent to the convex block 802, and a glass fiber filling block 9 is fixedly filled in the filling groove cavity 801, the glass fiber filling blocks 9 improve the heat insulation effect, the inner sides of the fire-resistant clamping bricks 8 form a kiln cavity 3, the kiln cavity 3 is of a cylindrical structure, and the first fire-resistant slurry layer 11 is made of fire-resistant slurry; fixed spacing ring 2 is all installed at the both ends of rock wool circle cover, and is provided with block installation suspended structure between the tip of spacing ring and rock wool circle cover, and block installation suspended structure realizes hanging of fixed spacing ring 2, when avoiding the installation, appears breaking away from or the skew.
Specifically, the rock wool round cover is of a cylindrical structure and comprises a rock wool upper cover 4 and a rock wool lower cover 5, embedded limiting blocks 7 are fixedly mounted on two sides of the bottom of the rock wool upper cover 4, embedded grooves 6 are formed in two sides of the top of the rock wool lower cover 5, and the embedded limiting blocks 7 are connected with the embedded grooves 6 in an embedded mode, so that the inner side of the rock wool round cover can be conveniently machined; the number of the embedded limiting blocks 7 is a plurality, the embedded limiting blocks 7 are uniformly distributed at the bottom of the rock wool upper cover 4, the embedded limiting blocks 7 are of rectangular block structures, and the embedded limiting blocks 7 are matched with the embedded grooves 6 to limit the rock wool upper cover 4 and the rock wool lower cover 5 so as to realize installation; the thickness of the glass fiber heat insulation layer 1 is 5-6cm, the inner wall of the glass fiber heat insulation layer 1 is bonded and connected with the outer wall of the rock wool circular cover, and the glass fiber heat insulation layer 1 improves the heat insulation effect; the top of the fireproof clamping brick 8 and the cross section of the embedded clamping groove 10 are both in an I-shaped structure, the length of the embedded clamping groove 10 is the same as that of the rock wool circular cover, and the clamping suspension of the fireproof clamping brick 8 is achieved.
Specifically, the surface of the fixed limiting ring 2 is bonded and connected with the end part of the rock wool circular cover through a second fireproof slurry layer 13, the thickness of the second fireproof slurry layer 13 is smaller than that of the fixed limiting ring 2, and the second fireproof slurry layer 13 is made of fireproof slurry, so that the installation of the fixed limiting ring 2 can be realized; the clamping installation hanging structure comprises an installation strip 14 and an installation hole 12, the installation hole 12 is formed in the end portion of the rock wool circular cover, the installation strip 14 is fixedly connected with the surface of the fixed limiting circular ring 2, the installation strip 14 is in clamping connection with the installation hole 12, the installation strip 14 is embedded in the installation hole 12 to be hung, and convenience is brought to installation of the fixed limiting circular ring 2; the number of the mounting strips 14 is a plurality of, and a plurality of mounting strips 14 are distributed on the surface of the fixed limiting ring 2 in an annular array mode, and the mounting strips 14 are used for entering the mounting holes 12 to achieve limiting.
Specifically, the rock wool upper cover 4 and the rock wool lower cover 5 are identical in geometric dimension, the rock wool upper cover 4 and the rock wool lower cover 5 are symmetrically arranged, and the rock wool upper cover 4 and the rock wool lower cover 5 form a rock wool circular cover, so that the overall heat insulation effect is improved; the diameter of the inner ring of the fixed limiting ring 2 is the same as that of the kiln cavity 3, the number of the fixed limiting rings 2 is two, the fixed limiting rings 2 are used for sealing two ends of the rock wool circular cover, and the limit blocking of the refractory block bricks 8 is realized.
When the rock wool upper cover and the rock wool lower cover are used, the rock wool upper cover 4 and the rock wool lower cover 5 are connected in a clamping mode through the embedded groove 6 and the embedded limiting block 7, the rock wool upper cover 4 and the rock wool lower cover 5 are installed in a barrel of a rotary kiln, and a glass fiber heat insulation layer 1 is filled between the barrel of the rotary kiln and the rock wool upper cover 4 and between the barrel of the rotary kiln and the rock wool lower cover 5; then, the fireproof clamping bricks 8 are manually plugged into the embedding clamping grooves 10, the I-shaped parts of the fireproof clamping bricks and the embedding clamping grooves are clamped, suspension and limiting are achieved, falling during stacking is avoided, a supporting structure is not needed for supporting the fireproof clamping bricks 8, meanwhile, a first fireproof mortar layer 11 is filled between the fireproof clamping bricks 8, and connection between the fireproof clamping bricks 8 is achieved; then, mounting the fixed limiting rings 2 on two sides of the cylinder of the rotary kiln, firstly coating a second refractory mortar layer 13 on the surfaces of the fixed limiting rings 2, then buckling the fixed limiting rings 2 on two sides of the cylinder of the rotary kiln, inserting the mounting bars 14 into the mounting holes 12 for suspension, and providing limiting when the second refractory mortar layer 13 is not dried; after the installation, through the cooperation of glass fiber filling block 9, rock wool circle cover and glass fiber insulating layer 1, can effectually insulate against heat, improved the holistic thermal-insulated heat preservation effect of rotary kiln, reduce thermal scattering and disappearing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A refractory brick for a rotary kiln is characterized in that: the rock wool round cover comprises a rock wool round cover and a glass fiber heat insulation layer (1) laid on the outer wall of the rock wool round cover, wherein a plurality of embedded clamping grooves (10) distributed in an annular array are uniformly formed in the inner wall of the rock wool round cover, a plurality of fire-resistant clamping bricks (8) are embedded and connected in a splicing mode, the fire-resistant clamping bricks (8) are connected in a bonding mode through a first fire-resistant slurry layer (11), a filling groove cavity (801) is formed in each fire-resistant clamping brick (8), a trapezoidal convex block (802) is installed in each filling groove cavity (801), rubber blocks (803) are arranged on the side walls of the adjacent convex blocks (802), glass fiber filling blocks (9) are fixedly filled in each filling groove cavity (801), a kiln cavity (3) is formed in the inner sides of the fire-resistant clamping bricks (8), and the kiln cavity (3) is of a cylindrical structure; fixed spacing ring (2) are all installed at the both ends of rock wool circle cover, and are provided with block installation suspended structure between the tip of spacing ring and rock wool circle cover.
2. The refractory brick for the rotary kiln as claimed in claim 1, wherein: the rock wool circle cover is the cylinder type structure, the rock wool circle cover comprises rock wool upper shield (4) and rock wool lower shield (5), equal fixed mounting in bottom both sides of rock wool upper shield (4) has gomphosis stopper (7), the top both sides of rock wool lower shield (5) all opened gomphosis groove (6), the gomphosis is connected between gomphosis stopper (7) and gomphosis groove (6).
3. The refractory brick for the rotary kiln as claimed in claim 2, wherein: the number of gomphosis stopper (7) is a plurality of, and a plurality of gomphosis stopper (7) evenly distributed is in the bottom of rock wool upper shield (4), gomphosis stopper (7) are rectangle block structure.
4. The refractory brick for the rotary kiln as claimed in claim 1, wherein: the thickness of the glass fiber heat-insulating layer (1) is 5-6cm, and the inner wall of the glass fiber heat-insulating layer (1) is bonded and connected with the outer wall of the rock wool circular cover; the top of the fireproof clamping brick (8) and the cross section of the embedded clamping groove (10) are both in an I-shaped structure, and the length of the embedded clamping groove (10) is the same as that of the rock wool circular cover.
5. The refractory brick for the rotary kiln as claimed in claim 1, wherein: the surface of the fixed limiting circular ring (2) is bonded and connected with the end part of the rock wool circular cover through a second refractory mortar layer (13), and the thickness of the second refractory mortar layer (13) is smaller than that of the fixed limiting circular ring (2); the clamping mounting suspension structure comprises mounting strips (14) and mounting holes (12), the mounting holes (12) are formed in the end portions of the rock wool circular cover, the mounting strips (14) are fixedly connected with the surface of the fixed limiting circular ring (2), and the mounting strips (14) are connected with the mounting holes (12) in a clamping mode; the number of the mounting strips (14) is a plurality, and the mounting strips (14) are distributed on the surface of the fixed limiting ring (2) in an annular array.
6. The refractory brick for the rotary kiln as claimed in claim 2, wherein: the rock wool upper cover (4) and the rock wool lower cover (5) are the same in geometric dimension, and the rock wool upper cover (4) and the rock wool lower cover (5) are symmetrically arranged; the diameter of the inner ring of the fixed limiting ring (2) is the same as that of the kiln cavity (3), and the number of the fixed limiting rings (2) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148135.8A CN111365984A (en) | 2020-03-05 | 2020-03-05 | Refractory brick for rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148135.8A CN111365984A (en) | 2020-03-05 | 2020-03-05 | Refractory brick for rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111365984A true CN111365984A (en) | 2020-07-03 |
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ID=71208624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010148135.8A Withdrawn CN111365984A (en) | 2020-03-05 | 2020-03-05 | Refractory brick for rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111365984A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033144A (en) * | 2020-08-19 | 2020-12-04 | 宁波北新建材有限公司 | Steam rotary kiln with supporting structure |
-
2020
- 2020-03-05 CN CN202010148135.8A patent/CN111365984A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033144A (en) * | 2020-08-19 | 2020-12-04 | 宁波北新建材有限公司 | Steam rotary kiln with supporting structure |
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Application publication date: 20200703 |