CN113305998B - Insulation can is used in production of alumina brick - Google Patents
Insulation can is used in production of alumina brick Download PDFInfo
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- CN113305998B CN113305998B CN202110557525.5A CN202110557525A CN113305998B CN 113305998 B CN113305998 B CN 113305998B CN 202110557525 A CN202110557525 A CN 202110557525A CN 113305998 B CN113305998 B CN 113305998B
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- heat preservation
- insulation
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- heat
- glass wool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Insulation (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a heat preservation box for producing alumina bricks, which comprises a heat preservation box, a sand mould arranged in the heat preservation box and a heat preservation cover main body covering on the port of the heat preservation box, wherein a communication hole is arranged in the middle of the heat preservation cover main body, a heat preservation outer plate is arranged at the top of the heat preservation cover main body, a pouring hole is arranged in the middle of the top of the heat preservation outer plate, the side wall of one side of the heat preservation outer plate is arranged on a slide way communicated with the pouring hole, and a slide way heat preservation cover used for plugging/opening the pouring hole is arranged on the slide way in a sliding way. The improvement to the working environment also has great benefit, very big guarantee workman's life safety.
Description
Technical Field
The invention relates to an insulation can for producing alumina bricks.
Background
The fused cast alumina brick is a high-end special refractory material, is used for key positions such as a crown position, a material flowing groove and a melting pool of a high-end glass kiln of photovoltaic glass, ultra-white glass, liquid crystal glass and the like, and one of important indexes of the quality of the fused cast alumina brick is compactness, namely melting weight. The higher the melting weight and the higher the compactness of the fused cast alumina brick, the more resistant the high-temperature erosion of molten glass in the use of a glass kiln, the longer the service life, and the more beneficial to the stability of the glass quality, so the compactness is an important determinant factor of the quality and also a determinant factor of the product acceptance of the market. At present, the fused cast alumina brick with the highest compactness is the Japanese Asahi glass, and is 3.44g/cm 3 The density of the fused cast alumina brick produced by most other enterprises is difficult to reach 3.40 g/cm 3 Above (as shown in the following table, unit: g/cm) 3 ）。
The process for producing the fused cast alumina brick is similar to the process for producing the fused zirconia-corundum brick: casting a sand mold in an insulation box, filling insulation material, ensuring that the upper and lower insulation layers at the periphery of the casting are not lower than 250mm, when the cast is in a liquid state, the periphery and the lower part of the cast are provided with the insulation material, the riser part leaks outside in an exposed manner, even if the upper part of the riser is covered with the insulation material, about 30 minutes is needed from the casting to the covering of the insulation material, the heat dissipation of the cast riser part is fastest, a large amount of heat is lost, the temperature of the cast riser is fastest, the liquid time is shortened, and the liquid in the riser can not supply more liquid to a rotor, in order to solve the problem, firstly, the volume of the riser is increased, so that more liquid in the riser can be kept at a high temperature for a longer time, thereby achieving the effect of compact bricks, the method not only wastes a large amount of feed liquid, reduces the production capacity, but also can not fully ensure the consistency of the compactness of the bricks, and the deviation of heat dissipation seriously influences the product molding and increases the number of waste products.
Disclosure of Invention
The invention aims to provide an insulation can for producing alumina bricks, which is used for solving the problems.
In order to achieve the above purpose, the invention provides the following technical scheme: an insulation can for producing alumina bricks comprises an insulation can, a sand mold placed in the insulation can and an insulation cover main body covering the port of the insulation can, wherein a communication hole is formed in the center of the insulation cover main body, an insulation outer plate is arranged at the top of the insulation cover main body, a filling hole is formed in the center of the top of the insulation outer plate, a guide sliding way communicated with the filling hole is formed in the side wall of one side of the insulation outer plate, and a sliding way insulation cover used for plugging or opening the filling hole is arranged on the guide sliding way in a sliding manner;
the heat-insulating cover main body is made of plate-shaped glass wool; the preparation method comprises the following steps: mixing zircon powder, aluminate cement and water according to the weight ratio of 35: 5: pouring the mixture in a proportion of 60 into a flat-bottom container, uniformly mixing to form viscous liquid, then immersing glass wool (plate) into the viscous liquid, vibrating for 5-10min to uniformly immerse the viscous liquid into the glass wool, taking out the glass wool, standing for more than 6 hours at 25 ℃ to obtain a plate-shaped glass wool material, finally sending the plate-shaped glass wool material into a drying room, and drying at 280 ℃ for 5 hours to finish the preparation of the plate-shaped glass wool; at the moment, the glass wool absorbs the cement, and the strength of the glass wool can be improved after the glass wool is dried;
when the heat preservation cover is used, after the sand mould is placed into the heat preservation box, the heat preservation sand is filled into the heat preservation box to be parallel to the upper opening of the sand mould, then the main body of the heat preservation cover is directly covered on the upper opening of the heat preservation box, the slide heat preservation cover is pulled open to expose the casting opening during casting, casting liquid is poured into the forming space of the sand mould from the casting opening, after the casting is completed, the slide heat preservation cover is pushed to reset, the casting can be completed within 10 seconds from the completion of the casting to the closing of the casting opening, the heat preservation annealing can be carried out by closing the casting opening, the secondary covering heat preservation sand link after the casting is omitted, the heat preservation effect is good, and the volume weight of the alumina brick is improved.
Preferably, the risers, the communication holes and the pouring holes at the top of the sand mold are coaxially distributed.
Preferably, the heat insulating outer panel is provided with a pin bar for fixing the heat insulating cover main body.
Preferably, the heat-insulating outer plate is made of a graphite plate.
Preferably, the communication hole is of an isosceles trapezoid structure, the upper bottom of the communication hole faces a riser at the top of the sand mold, and the lower bottom of the communication hole faces the pouring hole.
Preferably, the outer wall of the slideway heat-insulating cover opposite to one side of the slideway is provided with a handle.
Preferably, the inner walls of the two opposite sides of the guide slide way are provided with guide rails, the outer walls of the two opposite sides of the slide way heat-insulating cover are provided with slide rails, and the slide rails are assembled on the guide rails and enable the slide way heat-insulating cover to move within a preset fixed range.
Preferably, the inner wall of the pouring hole opposite to one side of the heat-insulating outer plate is provided with an embedded groove, the guide rails arranged on the inner walls on the two opposite sides of the guide slide way also extend to the inner walls on the two opposite sides of the pouring hole and are communicated with the embedded groove, and the slide way heat-insulating cover moves axially along the guide rails and is abutted by the embedded groove to seal the pouring hole.
In the technical scheme, the insulation can for producing the alumina brick provided by the invention has the following beneficial effects:
1. by applying the technology of the invention, the main body of the heat-insulating cover directly covers the upper opening of the heat-insulating box, the heat-insulating cover of the slideway is pulled to realize rapid heat insulation, the process from the completion of casting to the closing of the casting opening can be completed within 10 seconds, the riser is prevented from radiating too fast, the liquid in the riser can be ensured to be rapidly fed, the volume weight of the brick body is greatly improved, and the density of the cast alumina brick can reach 3.40-3.46g/cm 3 Greatly improves the material quality and can be compared with the highest density in foreign countries.
2. The link of covering the main body heat-insulating sand with the heat-insulating cover for the secondary after casting can be omitted, time is saved, dust is prevented from being filled in a workshop when the heat-insulating sand is filled for the secondary, great benefits are also provided for improving the working environment, and the life safety of workers is greatly guaranteed.
3. The application of the technology lays a solid foundation for prolonging the service life of the glass kiln.
Drawings
Fig. 1 is a schematic structural diagram of a closed state of an infusion hole according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an open state of a pouring hole according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a main body of the thermal insulation cover according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an insulating outer panel according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a state in which the heat insulating outer panel is assembled to the heat insulating box according to the embodiment of the present invention.
Description of reference numerals:
1. a heat preservation outer plate; 11. a perfusion hole; 111. a groove is embedded; 12. a guide slideway; 121. a guide rail; 2. a slideway heat-insulating cover; 21. a handle; 3. a heat preservation cover main body; 31. a communicating hole; 5. a pin rod.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, an incubator for producing alumina bricks comprises an incubator and a sand mold placed in the incubator. The technical proposal for solving the problems in the background technology provided by the invention is as follows: the heat preservation cover comprises a heat preservation cover main body 3 assembled on the top of a heat preservation box, wherein a communication hole 31 is formed in the center of the heat preservation cover main body 3, hot melt (casting liquid) to be cast is poured from the heat preservation cover main body, a heat preservation outer plate 1 covers the heat preservation cover main body on the outer side of the heat preservation cover main body 3 to ensure the heat preservation performance of the heat preservation cover main body 3, a pouring hole 11 is formed in the center of the top of the heat preservation outer plate 1, a guide sliding way 12 communicated with the pouring hole 11 is formed in the side wall of one side of the heat preservation outer plate 1, a sliding way heat preservation cover 2 used for plugging or opening the pouring hole 11 is arranged on the guide sliding way 12 in a sliding mode, the heat preservation cover main body 3 is arranged on the outer wall of one side, facing the heat preservation box, the communication hole 31 is formed in the center of the heat preservation cover main body 3, and the communication hole 31 and the pouring hole 11 on the top of a sand mold are distributed coaxially. Firstly, filling the heat preservation box with heat preservation sand to be parallel to the upper opening of the sand mould, then directly covering the heat preservation outer plate 1 on the main body of the heat preservation cover, pulling open the upper opening of the slide heat preservation cover 2 during casting to show a casting opening with a square of 300mm, closing the casting opening after casting, and completing the casting within 10 seconds from the casting to the closing of the casting opening.
Further, the heat preservation cover main body 3 is made of plate-shaped glass wool; the preparation method comprises the following steps: mixing zircon powder, aluminate cement and water according to the weight ratio of 35: 5: pouring the mixture in a proportion of 60 into a flat-bottom container, uniformly mixing to form viscous liquid, then immersing glass wool (plate) into the viscous liquid, vibrating for 5-10min to uniformly immerse the viscous liquid into the glass wool, taking out the glass wool, standing for more than 6 hours at 25 ℃ to obtain a plate-shaped glass wool material, finally sending the plate-shaped glass wool material into a drying room, and drying at 280 ℃ for 5 hours to finish the preparation of the plate-shaped glass wool; in this case, since the glass wool absorbs the cement, the strength of the glass wool can be improved after drying.
Further, a pin 5 for fixing the insulating cover main body 3 is provided on the insulating outer panel 1.
Further, as shown in fig. 1, the communication hole 31 is an isosceles trapezoid structure, and the upper bottom faces the riser at the top of the sand mold and the lower bottom faces the pouring hole 11. The hot solution can be poured into the riser of the sand mold in the direction of the feed opening.
Furthermore, as can be seen from fig. 1, the outer wall of the side of the chute heat-insulating cover 2 opposite to the chute 12 is provided with a handle 21, which facilitates the opening and closing of the heat-insulating cover body of the chute heat-insulating cover 2.
In a specific implementation process, as can be seen from fig. 5, the inner walls of the two opposite sides of the guide chute 12 are provided with guide rails 121, the outer walls of the two opposite sides of the chute heat-insulating cover 2 are provided with slide rails, and the slide rails are assembled on the guide rails 121 and enable the chute heat-insulating cover 2 to move within a predetermined fixed range. And the pouring hole 11 has an embedded groove 111 relative to the inner wall of one side of the heat-insulating outer plate 1, the guide rails 121 formed on the inner walls of the two opposite sides of the guide slide 12 also extend to the inner walls of the two opposite sides of the pouring hole 11 and are communicated with the embedded groove 111, and the slide heat-insulating cover 2 moves axially along the guide rails 121 and is abutted by the embedded groove 111 to seal the pouring hole 11. Thereby guaranteeing the drawing distance of the slide way heat preservation cover 2 and avoiding the slide way heat preservation cover 2 from separating from the guide slide way 12.
The heat-preservation outer plate 1 can be made of a graphite plate with the specification of 1200mmx1200 mm; the graphite pin (total number of the pin rods 5) is 9, and the specification is as follows: the diameter is 70mm, the length is 200mm, and the graphite pin can be integrally polished and cut with a graphite plate to manufacture the graphite pin; the heat-insulating cover main body 3 can be cut according to the specification of the heat-insulating outer plate 1; the heat preservation cover main body 3 is fixedly inserted on the graphite plate through graphite pins.
The working principle is as follows: the heat preservation outer plate 1 is covered with the heat preservation cover main body on the heat preservation box, the heat preservation cover main body 3 is in direct contact with the port of the heat preservation box, when the heat preservation outer plate is used, after a sand mould is placed in the heat preservation box, heat preservation sand is filled in the heat preservation box to be parallel to the upper opening of the sand mould, then the heat preservation cover main body 3 is directly covered with the upper opening of the heat preservation box, when the heat preservation outer plate is used, the slide way heat preservation cover 2 is pulled open to expose a casting opening, casting liquid is poured into a forming space of the sand mould from the casting opening, after the casting is completed, the slide way heat preservation cover is pushed to reset, the process from the casting completion to the closing of the casting opening can be completed within 10 seconds, the heat preservation annealing can be carried out by closing the casting opening, the secondary covering of the heat preservation sand after the casting is omitted, the heat preservation effect is good, and the volume weight of the alumina brick is improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (4)
1. An insulation box for producing alumina bricks comprises an insulation box and a sand mold placed in the insulation box, and is characterized by further comprising an insulation cover main body (3) covering a port of the insulation box, wherein a communication hole (31) is formed in the center of the insulation cover main body (3), an insulation outer plate (1) is arranged at the top of the insulation cover main body (3), a pouring hole (11) is formed in the center of the top of the insulation outer plate (1), a guide slide way (12) communicated with the pouring hole (11) is formed in the side wall of one side of the insulation outer plate (1), and a slide way insulation cover (2) used for plugging or opening the pouring hole (11) is arranged on the guide slide way (12) in a sliding manner;
the heat-insulating cover main body (3) is made of plate-shaped glass wool; the preparation method comprises the following steps: mixing zircon powder, aluminate cement and water according to the weight ratio of 35: 5: pouring the mixture in a proportion of 60 into a flat-bottomed container, uniformly mixing to form viscous liquid, then immersing glass wool into the viscous liquid, vibrating to enable the viscous liquid to be uniformly immersed into the glass wool, taking out the glass wool, standing for more than 6 hours at 25 ℃ to obtain a plate-shaped glass wool material, finally sending the plate-shaped glass wool material into a drying room, and drying at 280 ℃ for 5 hours to complete the preparation of the plate-shaped glass wool; at the moment, the glass wool absorbs the cement, and the strength of the glass wool can be improved after the glass wool is dried;
when the heat preservation cover is used, after a sand mold is placed into a heat preservation box, firstly, heat preservation sand is filled in the heat preservation box until the heat preservation sand is parallel to an upper opening of the sand mold, then, a heat preservation cover main body (3) is directly covered on the upper opening of the heat preservation box, when casting is carried out, the slide heat preservation cover (2) is pulled open, a casting opening is exposed, casting liquid is poured into a forming space of the sand mold from the casting opening, after casting is finished, the slide heat preservation cover is pushed to reset, the process can be finished within 10 seconds from the completion of casting to the closing of the casting opening, heat preservation annealing can be carried out by closing the casting opening, the link of secondary covering the heat preservation sand after casting is omitted, the heat preservation effect is good, and the volume weight of an alumina brick is improved;
risers at the top of the sand mould are coaxially distributed with the communication holes (31) and the pouring holes (11);
a pin rod (5) for fixing the heat-insulating cover main body (3) is arranged on the heat-insulating outer plate (1);
the inner walls of two opposite sides of the slide way (12) are provided with guide rails (121), the outer walls of two opposite sides of the slide way heat-insulation cover (2) are provided with slide rails, and the slide rails are assembled on the guide rails (121) and enable the slide way heat-insulation cover (2) to move within a preset fixed range;
pouring into hole (11) are relative the embedded groove (111) has been seted up to the inner wall of heat preservation planking (1) one side, guide rail (121) that the inner wall of leading slide (12) relative both sides was seted up also extend to pouring into hole (11) relative both sides on the inner wall and with embedded groove (111) are linked together, slide heat preservation lid (2) are followed guide rail (121) axial displacement receives embedded groove (111) support and lean on the messenger pouring into hole (11) and seal.
2. The insulation can for alumina brick production according to claim 1, characterized in that the insulation outer plate (1) is made of graphite plate.
3. The insulation can for producing alumina bricks according to claim 1, wherein the communication holes (31) are isosceles trapezoid shaped, and the upper bottom of the communication holes faces the riser at the top of the sand mold and the lower bottom of the communication holes faces the pouring holes (11).
4. The incubator according to claim 1, wherein the outer wall of the side of the slideway insulation cover (2) opposite to the slideway (12) is provided with a handle (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557525.5A CN113305998B (en) | 2021-05-21 | 2021-05-21 | Insulation can is used in production of alumina brick |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557525.5A CN113305998B (en) | 2021-05-21 | 2021-05-21 | Insulation can is used in production of alumina brick |
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| CN113305998A CN113305998A (en) | 2021-08-27 |
| CN113305998B true CN113305998B (en) | 2022-09-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3164945B2 (en) * | 1993-06-18 | 2001-05-14 | 川崎製鉄株式会社 | Injectable construction equipment for irregular refractories |
| TWM314306U (en) * | 2006-11-23 | 2007-06-21 | China Semiconductor Corp | Improved packaging mold for high power LED |
| KR20120002901A (en) * | 2010-07-01 | 2012-01-09 | 송민호 | A package box for cold storage |
| CN204565093U (en) * | 2015-02-11 | 2015-08-19 | 武侗 | Insulated pouring case |
| CN106592794A (en) * | 2015-10-16 | 2017-04-26 | 谢延山 | Inorganic fiber composite warming plate and manufacturing process thereof |
| CN205165845U (en) * | 2015-12-02 | 2016-04-20 | 新疆八一钢铁股份有限公司 | Package be built by contract in middle of modified continuous casting |
| CN105923239B (en) * | 2016-06-27 | 2018-09-21 | 苏州安特实业有限公司 | A kind of sliding door incubator of flexible partition plate |
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