CN215618945U - Casting of fused zirconia corundum brick is with rising head insulation construction - Google Patents
Casting of fused zirconia corundum brick is with rising head insulation construction Download PDFInfo
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- CN215618945U CN215618945U CN202121203583.XU CN202121203583U CN215618945U CN 215618945 U CN215618945 U CN 215618945U CN 202121203583 U CN202121203583 U CN 202121203583U CN 215618945 U CN215618945 U CN 215618945U
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Abstract
The utility model discloses a riser heat-insulating structure for casting an electric smelting zirconia-corundum brick, which comprises a top cover and a heat-insulating cover arranged on the outer wall of one side of the top cover in the middle, wherein the bottom of the top cover is symmetrically provided with fixing components which are symmetrically distributed about the center of the heat-insulating cover, and the fixing components are assembled to be lower than the outer wall of an insulation box so as to lock the top cover; the axis of the outer wall of the lower side of the heat insulation cover is provided with a top opening, the top cover, the heat insulation cover and the top opening are of hollow structures, and a vacuum layer is arranged in each hollow structure. The utility model provides a riser heat-insulating structure for casting an electro-fused zirconia-corundum brick, wherein a top cover is fixed at the port of an insulating box through a fixing assembly, and vacuum layers are arranged inside the top cover, a heat-insulating cover and a top port, so that the temperature inside a riser is ensured, the temperature dissipation of the riser is avoided to a certain extent, the riser is effectively insulated, the filling of solidified molten liquid is ensured, and the problems that the molten liquid at the riser is cooled and the quality of the cast electro-fused brick is influenced are solved.
Description
Technical Field
The utility model relates to the technical field of riser heat insulation, in particular to a riser heat insulation structure for casting of an electric melting zirconia-corundum brick.
Background
The electric smelting zirconia corundum brick is white solid formed by injecting pure alumina powder and zircon sand containing about 65% of zirconia and 34% of silicon dioxide into a model after melting and internalization in an electric smelting furnace and cooling, and has the characteristics of compact structure, lower porosity, larger volume density, high mechanical strength and high-temperature structural strength, strong glass liquid erosion resistance and the like.
In the casting process of the fused zirconia corundum brick, after the molten liquid is poured into the cavity, the molten liquid is gradually cooled and solidified to form, in the process, because the temperature of the molten liquid is reduced and the molten liquid is changed from liquid state to solid state, the volume of the molten liquid is reduced, if the molten liquid is not sufficiently supplemented into the cavity, a gap can be left due to volume shrinkage, macroscopic shrinkage cavities or microscopic looseness can be generated, the quality of the fused zirconia corundum brick is reduced, and the fused zirconia corundum brick can be scrapped possibly, therefore, a riser is usually arranged on a die and is a cavity used for storing the molten liquid in the cavity, the molten liquid is replenished when a casting is formed, and the shrinkage cavities and the looseness are prevented from being generated. For the casting process of the common cast electric melting brick, the insulating sand in the insulation can is only filled to be level with the sand mould of the brick body, the riser is exposed, the molten liquid in the riser can be gradually cooled and solidified along with the time, and the feeding effect is not ideal.
In summary, the dead head during casting needs to be insulated, so that the quality of the cast fused zirconia-corundum brick is ensured, the working errors are reduced, the loss is reduced, and the working quality is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a riser heat-insulating structure for casting of an electric melting zirconium corundum brick, and aims to solve the problems that when the electric melting zirconium corundum brick is manufactured, the insulation of the riser is neglected, so that molten liquid in the riser is solidified during casting, the solidified molten liquid in a mould cannot be filled, the production quality of the electric melting brick is poor, and even the electric melting brick is scrapped.
In order to achieve the above purpose, the utility model provides the following technical scheme: a riser heat insulation structure for casting of an electric smelting zirconium corundum brick comprises a top cover and a heat insulation cover arranged on the outer wall of one side of the top cover in the middle, wherein fixing components which are symmetrically distributed relative to the center of the heat insulation cover are symmetrically arranged at the bottom of the top cover, and the fixing components are assembled to be lower than the outer wall of an insulation box so as to lock the top cover;
preferably, the axis of the outer wall of the lower side of the heat insulation cover is provided with a top opening, the top cover, the heat insulation cover and the top opening are of hollow structures, and a vacuum layer is arranged in each hollow structure.
Preferably, the fixing component comprises a screw rod, a connecting rod and a sliding groove seat, threaded holes are symmetrically formed in the top cover, the screw rod is assembled in the threaded holes from one side, opposite to the top cover, of the heat insulation cover, and one end of the connecting rod is fixedly connected to one end of the screw rod.
Preferably, the outer wall of the sliding groove seat facing one side of the heat insulation cover is provided with a shaft lever in the middle, the outer wall of the sliding groove seat facing one side of the top cover is symmetrically arranged on the guide sliding rod, the salient point on the other end of the connecting rod is arranged in the waist groove of the sliding groove seat in a sliding mode, and the screw rod is rotated to drive the shaft lever to keep moving relative to the heat insulation cover.
Preferably, the outer wall of the top cover close to one side of the chute seat is symmetrically provided with guide chutes, and the guide sliding rods are arranged in the guide chutes in a sliding manner.
Preferably, one end of the screw rod, which is opposite to the thermal insulation cover, is fixedly connected with a rotating rod.
Preferably, the outer wall of the top cover opposite to one side of the thermal insulation cover is provided with a handle.
Preferably, the top cover and the thermal insulation cover are both made of asbestos plates.
Preferably, the top opening is made of ceramic.
In the technical scheme, the riser heat-insulating structure for casting the fused zirconia-corundum brick is provided with the top cover, when the riser is subjected to heat insulation, the top cover can be placed at the port of an insulating box by using a handle arranged on the top cover, the heat-insulating cover is arranged on one side of the top cover, the heat-insulating cover is provided with a top opening, the top opening is in contact with the position of the riser, the top opening is made of high-temperature-resistant ceramics, the top cover and the heat-insulating cover are made of asbestos plates, the heat-insulating effect of the riser can be ensured, the top cover is symmetrically provided with fixing components which are symmetrically distributed about the center of the heat-insulating cover, the top cover is fixed at the port of the insulating box through the fixing components, vacuum layers are arranged inside the top cover, the heat-insulating cover and the top opening, the temperature of the riser inside the insulating box is ensured, the temperature dissipation of the riser is avoided to a certain degree, the heat insulation of the riser is effectively performed, and the feeding of a solution in the top opening to a brick body is ensured, thereby improving the volume weight of the electric melting brick and avoiding the problems that the molten liquid at the riser is cooled, the quality of the cast electric melting brick is influenced and even scrapped.
Drawings
FIG. 1 is a schematic diagram of an overall structure provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a top opening structure according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an overall cross-sectional structure provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fixing assembly according to an embodiment of the present invention.
Description of reference numerals:
1. a top cover; 11. a guide chute; 2. a thermal insulation cover; 3. a top opening; 4. a fixing assembly; 5. rotating the rod; 6. a handle; 7. a vacuum layer; 41. a screw; 42. a connecting rod; 43. a chute seat; 44. a shaft lever; 45. and a guide 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.
Referring to fig. 1-4, a riser insulation structure for casting an electrofusion zirconium corundum brick, a top cover 1 and a thermal insulation cover 2 arranged at the center of the outer wall of one side of the top cover 1, wherein fixing components 4 symmetrically distributed about the center of the thermal insulation cover 2 are symmetrically arranged at the bottom of the top cover 1, and the fixing components 4 are assembled to be lower than the outer wall of an insulation box so as to lock the top cover 1. Wherein, fixed subassembly 4 includes screw rod 41, connecting rod 42 and spout seat 43, and the screw hole that symmetry was provided with on top cap 1, screw rod 41 from relative top cap 1 relative heat-insulating cover 2 one side assembly in the screw hole, and the one end fixed connection of connecting rod 42 is on one end of screw rod 41. A shaft lever 44 is arranged in the middle of the outer wall of one side of the sliding groove seat 43 facing the heat insulation cover 2, the outer wall of one side of the sliding groove seat 43 facing the top cover 1 is symmetrically arranged on a guide sliding rod 45, a salient point on the other end of the connecting rod 42 is arranged in the waist groove of the sliding groove seat 43 in a sliding manner, the shaft lever 44 is driven to keep moving relative to the heat insulation cover 2 by rotating the screw rod 41, one end of the screw rod 41 is fixedly connected with a rotating rod 5, the screw rod 41 can be rotated by the rotating rod 5, the connecting rod 42 can be driven to rotate by the screw rod 41, one end of the connecting rod 42 slides in the sliding groove seat 43, so that the sliding groove seat 43 is driven to slide along the guide sliding groove 11 arranged on the top cover 1 by force transmission, a limit block is arranged in the guide sliding groove 11, when the sliding groove seat 43 slides to a certain distance, the guide sliding rod 45 is limited by the limit block arranged in the guide sliding groove 11, and the situation that the sliding groove seat 43 falls off due to excessive rotation is avoided, the top cover 1 can be fixed by rotating to a proper position, the riser is insulated, the operation is simple, the installation is convenient, and the condition that the working pressure of workers is overlarge due to too many operation steps is avoided; the axle center department that separates the outer wall of 2 downside of thermal cover is provided with top mouthful 3, top cap 1, the inside that separates thermal cover 2 and top mouthful 3 is hollow structure, be provided with vacuum layer 7 in the hollow structure, top cap 1 is provided with handle 6 with the outer wall that separates thermal cover 2 one side relatively, during the use, will place top cap 1 in the position of incubator port through handle 6, it is located the inner wall of incubator to separate thermal cover 2, the riser is touched on top mouthful 3 top, fix top cap 1 and incubator through fixed subassembly 4, and top cap 1, the inside that separates thermal cover 2 and top mouthful 3 all is provided with vacuum layer 7, can avoid the temperature dissipation of riser to a certain extent when using, effectual to keeping warm, guarantee the feeding to the brick body melt, avoid the melt cooling of riser department, influence the quality of electric smelting brick, even cause scrapped problem.
The working principle of the utility model is as follows:
1. after the casting is finished, the top cover 1 is directly placed on a port at the top of the insulation box, the insulation cover 2 is embedded into the port of the insulation box, and the top opening 3 is directly contacted with the sand mold and directly sits on the riser.
2. Along rotating rod 5 in proper order along pointer direction, rotating rod 5 drives screw rod 41 and makes connecting rod 42 deflect, is close to spout seat 43 to separating temperature lid 2 for thereby axostylus axostyle 44 directly supports and forms the locking on the outer wall of incubator, avoids in the transportation, rocking of top cap 1.
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 utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.
Claims (8)
1. The riser heat-insulation structure for casting the fused zirconia-corundum bricks is characterized by comprising a top cover (1) and a heat-insulation cover (2) arranged on the outer wall of one side of the top cover (1) in the middle, wherein fixing components (4) which are symmetrically distributed relative to the center of the heat-insulation cover (2) are symmetrically arranged at the bottom of the top cover (1), and the fixing components (4) are assembled and used for being fixed on the outer wall of an insulation can to lock the top cover (1);
the heat insulation cover is characterized in that a top opening (3) is formed in the axis of the outer wall of the lower side of the heat insulation cover (2), the top cover (1), the heat insulation cover (2) and the top opening (3) are of a hollow structure, and a vacuum layer (7) is arranged in the hollow structure.
2. The feeder head heat-insulating structure for casting the electric smelting zirconium corundum bricks according to claim 1, wherein the fixing assembly (4) comprises a screw rod (41), a connecting rod (42) and a sliding groove seat (43), threaded holes are symmetrically formed in the top cover (1), the screw rod (41) is assembled in the threaded holes from the side opposite to the top cover (1) opposite to the heat-insulating cover (2), and one end of the connecting rod (42) is fixedly connected to one end of the screw rod (41).
3. The feeder head insulation structure for casting the electric smelting zirconium corundum bricks according to claim 2, wherein the outer wall of one side of the heat insulation cover (2) of the sliding groove seat (43) is centrally provided with a shaft rod (44), the outer wall of one side of the top cover (1) of the sliding groove seat (43) is symmetrically arranged on a guide sliding rod (45), a salient point on the other end of the connecting rod (42) is arranged in a waist groove of the sliding groove seat (43) in a sliding manner, and the screw rod (41) is rotated to drive the shaft rod (44) to keep moving relative to the heat insulation cover (2).
4. The feeder head heat insulation structure for casting of the electric smelting zirconium corundum bricks according to claim 3, characterized in that the outer wall of one side of the top cover (1) close to the chute seat (43) is symmetrically provided with guide chutes (11), and the guide slide bars (45) are slidably arranged in the guide chutes (11).
5. The feeder head insulation structure for casting the electric smelting zirconium corundum bricks according to claim 2 is characterized in that one end of the screw rod (41) opposite to the insulation cover (2) is fixedly connected with a rotating rod (5).
6. The feeder head heat-insulating structure for casting the electric smelting zirconium corundum bricks according to claim 1, characterized in that a handle (6) is arranged on the outer wall of one side of the top cover (1) opposite to the heat-insulating cover (2).
7. The feeder head insulation structure for casting of the electric smelting zirconium corundum bricks according to claim 1 is characterized in that the top cover (1) and the insulation cover (2) are both made of asbestos plates.
8. The feeder head insulation structure for casting the electric smelting zirconium corundum bricks according to claim 1, wherein the top opening (3) is made of ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121203583.XU CN215618945U (en) | 2021-06-01 | 2021-06-01 | Casting of fused zirconia corundum brick is with rising head insulation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121203583.XU CN215618945U (en) | 2021-06-01 | 2021-06-01 | Casting of fused zirconia corundum brick is with rising head insulation construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215618945U true CN215618945U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121203583.XU Active CN215618945U (en) | 2021-06-01 | 2021-06-01 | Casting of fused zirconia corundum brick is with rising head insulation construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215618945U (en) |
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2021
- 2021-06-01 CN CN202121203583.XU patent/CN215618945U/en active Active
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