Reusable fused brick casting graphite riser
By designing a reusable electrofused brick casting graphite riser, and using components such as feeding grooves, fixing grooves, and meshing grooves for connection, the problem of traditional risers being usable only once is solved, realizing the reuse of risers and the efficient production of electrofused bricks.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHENGZHOU YUANDONG REFRACTORY CO LTD
- Filing Date
- 2025-04-11
- Publication Date
- 2026-04-28
AI Technical Summary
In traditional molds, the riser is integrated with the mold, which means it can only be used once. Peeling the sand mold is time-consuming, labor-intensive, and inefficient.
The graphite riser is cast using reusable electrofused bricks, including riser one and riser two. The two are connected by components such as shrinkage opening, fixing groove, meshing groove, locking block, insert block, stop block and hoop, so as to realize the detachable and reusable riser.
This allows for the repeated use of risers, reducing production costs and mold manufacturing time, improving production efficiency, and facilitating the demolding process of electrofused bricks.
Smart Images
Figure CN224170064U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrofused brick production, and in particular to a reusable electrofused brick casting graphite riser. Background Technology
[0002] Electrofused brick casting is a method for manufacturing high-temperature refractory materials, widely used in high-temperature environments such as metallurgy, chemical industry, and cement. Electrofused bricks are refractory bricks formed by melting ores or other raw materials in a high-temperature electric furnace using the electrofusion method and then cooling them. They are characterized by extremely high refractoriness, thermal shock resistance, and excellent erosion resistance. The electrofused brick casting process includes steps such as raw material selection, melting, casting, and cooling.
[0003] During the casting process, the selected raw materials are first heated to a high temperature in an electric furnace and melted into a liquid state. After precise control, the molten material is poured into a mold to form the required shape of the electrofused brick. During this process, factors such as the temperature of the material, the pouring speed, and the cooling speed will directly affect the quality and performance of the electrofused brick.
[0004] In the casting of electrofused bricks, molten metal is poured into a riser, which then flows into the sand mold to fill it. After cooling, the sand mold is peeled off and the riser is cut off, thus producing a complete electrofused brick. However, in traditional molds, the riser is an integral part of the mold, and peeling off the sand mold is a destructive operation. Therefore, the riser can only be used once, and the sand mold must be recycled and remanufactured into a mold for reuse, which is time-consuming, labor-intensive, and inefficient. To address this issue, a reusable electrofused brick casting graphite riser is proposed. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a reusable electrofused brick casting graphite riser, which aims to improve the problem that in traditional molds, the riser is an integral part of the mold and is part of the sand mold. Since peeling off the sand mold is a destructive operation, the riser can only be used once, and the sand mold can only be recycled and remanufactured into a mold for reuse, which is time-consuming, labor-intensive and inefficient.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a reusable electrofused brick casting graphite riser, comprising riser one and riser two, riser one and riser two abutting each other, both riser one and riser two having a feeding opening on their inner sides, both riser one and riser two having multiple fixing grooves on their outer sides, riser two having two meshing grooves inside, both riser one and riser two having fixing components installed on their outer sides, and both riser one and riser two having splicing components installed between their outer sides;
[0007] The fixing component includes multiple locking blocks, the inner sides of which are fixedly connected to the outside of riser one and riser two, respectively.
[0008] As a further description of the above technical solution:
[0009] The splicing assembly includes two insert blocks, multiple stop blocks, and a hoop. The right side of the insert block is fixedly connected to the left side of the first riser. The inner side of the hoop is slidably connected to the outside of the first riser. The inner sides of the stop blocks are fixedly connected to the outside of the first riser and the second riser, respectively.
[0010] As a further description of the above technical solution:
[0011] The two aforementioned shrinkage openings merge into a complete circle.
[0012] As a further description of the above technical solution:
[0013] The two card blocks on the front and rear sides abut against each other on adjacent sides.
[0014] As a further description of the above technical solution:
[0015] The inner side of the hoop is slidably connected to the outside of the second riser.
[0016] As a further description of the above technical solution:
[0017] The bottom of the hoop and the top of the stop block abut against each other.
[0018] As a further description of the above technical solution:
[0019] Handles are fixedly connected to both the left and right sides of the hoop, and the insert block is slidably connected to the inside of the meshing groove.
[0020] As a further description of the above technical solution:
[0021] The two blocks on the front and rear sides abut against each other on adjacent sides.
[0022] This utility model has the following beneficial effects:
[0023] 1. In this utility model, when the sand mold is closed, riser one and riser two are placed on the top of the sand mold, and the locking block and fixing groove are fitted with the corresponding groove on the top of the sand mold. This realizes that the riser is fixed on the mold alone, and the fixing groove prevents the molten liquid from flowing out from around the riser during casting. At the same time, the riser can be retained and reused when the mold is disassembled, which effectively saves costs and mold manufacturing time.
[0024] 2. In this utility model, the insert block is inserted into the meshing groove to merge riser one and riser two, and the hoop ring slides into the outside of riser one and riser two to make riser one and riser two fit tightly together, so that the riser can be quickly removed from the electrofused brick, saving time and effort and making demolding convenient. Attached Figure Description
[0025] Figure 1 This is a three-dimensional schematic diagram of a reusable electrofused brick casting graphite riser proposed in this utility model;
[0026] Figure 2 This is a schematic diagram of the hoop ring for casting graphite risers from electrofused bricks that can be used multiple times according to this utility model.
[0027] Figure 3 This is a schematic diagram of the meshing groove of a reusable electrofused brick casting graphite riser proposed in this utility model.
[0028] Figure 4 This is a schematic diagram of the structure of a reusable electrofused brick casting graphite riser insert proposed in this utility model.
[0029] Legend:
[0030] 1. Riser 1; 2. Shrinkage opening; 3. Fixing groove; 4. Locking block; 5. Engaging groove; 6. Stop block; 7. Insert block; 8. Hoop ring; 9. Handle; 10. Riser 2. Detailed Implementation
[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0032] Reference Figure 1 - Figure 4 This utility model provides an embodiment of a reusable electrofused brick casting graphite riser, comprising riser 1 and riser 2 10, which abut against each other. Both riser 1 and riser 2 10 have feeding openings 2 on their inner sides, and multiple fixing grooves 3 on the outer sides of both riser 1 and riser 2 10. Riser 2 10 has two meshing grooves 5 inside. Riser 1 and riser 2 10 combined form the entire riser, facilitating the pouring of molten metal into a mold. All parts used in this device are made of graphite, which maintains stable physical properties at high temperatures and has excellent heat resistance. The layered structure of graphite... This gives its surface strong anti-stick properties, making it easy for molten metal to slide or detach from the graphite surface, rather than forming a strong bond, thus facilitating demolding. The shrinkage opening 2 is used to allow the molten metal to flow into the mold. The shrinkage opening 2 can promptly transport the molten metal in the riser into the mold during the shrinkage of the electrofused brick, avoiding the formation of cavities. The fixing groove 3 is used to cooperate with the mold, increasing the area of the connection and preventing the molten metal from flowing out from around the riser. The meshing groove 5 is used to cooperate with the insert block 7, so that riser 1 and riser 2 10 are merged. The riser 1 and riser 2 10 are externally equipped with fixing components, and splicing components are installed between the riser 1 and riser 2 10.
[0033] The fixing component includes multiple locking blocks 4. The inner sides of the locking blocks 4 are fixedly connected to the outside of riser 1 and riser 2 10 respectively. The locking blocks 4 are used to lock inside the mold to prevent the risers from falling off. The two shrinkage openings 2 are merged into a complete circle so that the molten liquid can flow smoothly into the mold. The two locking blocks 4 on the front and rear sides abut against each other so that the fixing force on riser 1 and riser 2 10 is the same.
[0034] Reference Figure 1 - Figure 4 The splicing assembly includes two insert blocks 7, multiple stop blocks 6, and a hoop 8. The right side of the insert block 7 is fixedly connected to the left side of riser 1. The inner side of the hoop 8 is slidably connected to the outside of riser 1. The inner sides of the stop blocks 6 are fixedly connected to the outside of riser 1 and riser 2 10, respectively. The insert block 7 is used to insert riser 1 into riser 2 10. The stop blocks 6 are used to limit the movement distance of the hoop 8. The hoop 8 is used to lock riser 1 and riser 2 10 together to prevent automatic opening or gaps at the connection point. To prevent leakage, the inner side of the hoop 8 is slidably connected to the outside of the second riser 10, so that the first riser 1 and the second riser 10 fit tightly together. The bottom of the hoop 8 and the top of the stop block 6 abut against each other to prevent the hoop 8 from falling off. Handles 9 are fixedly connected to both sides of the hoop 8. The handles 9 are used to easily remove the hoop 8. The outer side of the insert block 7 is slidably connected to the inside of the meshing groove 5, so that the first riser 1 and the second riser 10 are merged into a whole. The two stop blocks 6 on the front and rear sides abut against each other on adjacent sides to make the force supporting the hoop 8 the same.
[0035] Working principle: When using this riser, first merge riser 1 and riser 2 10. Align the insert block 7 on riser 1 with the meshing groove 5 on riser 2 10 and press firmly to insert the insert block 7 into the meshing groove 5, thus merging riser 1 and riser 2 10. Next, place the hoop 8 between the outside of riser 1 and riser 2 10 and press firmly with the handle 9 to slide the hoop 8 down until it contacts the stop block 6. Then, place half of the bottom of the riser into the sand mold, so that the locking block 4 and the fixing groove 3 fit into the mold. Then, close and fix the other half of the sand mold. At this time, you can start casting the electrofused brick. Pour the molten liquid into the riser and use the shrinkage opening 2 to fill the mold. Fill the mold with the molten material until it is full. Then wait for the molten material to cool. During the cooling process, molten material will appear in the mold. At this time, the excess molten material in the riser will enter the mold through the shrinkage port 2 in time to avoid the formation of cavities. After the molten material has completely cooled, break and peel off the sand mold, leaving only the riser. Then, pull the hoop ring 8 with the handle 9 to pull the hoop ring 8 off the riser 1 and riser 2 10. Then, remove riser 1 and riser 2 10 from the electrofused brick in turn to facilitate demolding. Finally, cut off the riser brick on the electrofused brick to produce a complete electrofused brick. Since all parts of this riser are made of graphite, this device can be reused repeatedly, effectively saving production costs.
Claims
1. A reusable electrofused brick casting graphite riser, comprising riser one (1) and riser two (10), characterized in that: The riser 1 (1) and the riser 2 (10) abut against each other. Both riser 1 (1) and the riser 2 (10) have a shrinkage opening (2) on their inner sides. Both riser 1 (1) and the riser 2 (10) have multiple fixing grooves (3) on their outer sides. Both riser 2 (10) have two meshing grooves (5) inside. Both riser 1 (1) and the riser 2 (10) have fixing components installed on their outer sides. Both riser 1 (1) and the riser 2 (10) have splicing components installed between their outer sides. The fixing component includes multiple locking blocks (4), the inner sides of which are fixedly connected to the outside of riser one (1) and riser two (10).
2. The reusable electrofused brick casting graphite riser according to claim 1, characterized in that: The splicing assembly includes two inserts (7), multiple stops (6) and a hoop (8). The right side of the insert (7) is fixedly connected to the left side of the riser (1). The inner side of the hoop (8) is slidably connected to the outside of the riser (1). The inner side of the stops (6) is fixedly connected to the outside of the riser (1) and the riser (2) (10) respectively.
3. The reusable electrofused brick casting graphite riser according to claim 1, characterized in that: The two aforementioned shrinkage openings (2) are merged into a complete circle.
4. A reusable electrofused brick casting graphite riser according to claim 1, characterized in that: The two card blocks (4) on the front and back sides abut against each other.
5. A reusable electrofused brick casting graphite riser according to claim 2, characterized in that: The inner side of the hoop (8) is slidably connected to the outside of the second riser (10).
6. A reusable electrofused brick casting graphite riser according to claim 2, characterized in that: The bottom of the hoop (8) and the top of the stop (6) abut against each other.
7. A reusable electrofused brick casting graphite riser according to claim 2, characterized in that: The hoop (8) is fixedly connected to handles (9) on both the left and right sides, and the insert (7) is externally slidably connected to the inside of the meshing groove (5).
8. A reusable electrofused brick casting graphite riser according to claim 2, characterized in that: The two blocks (6) on the front and rear sides abut against each other on adjacent sides.