CN217142306U - Graphite pouring pipe for casting - Google Patents
Graphite pouring pipe for casting Download PDFInfo
- Publication number
- CN217142306U CN217142306U CN202123215480.8U CN202123215480U CN217142306U CN 217142306 U CN217142306 U CN 217142306U CN 202123215480 U CN202123215480 U CN 202123215480U CN 217142306 U CN217142306 U CN 217142306U
- Authority
- CN
- China
- Prior art keywords
- section
- graphite
- outflow
- inflow
- casting
- 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.)
- Active
Links
Images
Landscapes
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model relates to a graphite pipe technical field especially relates to a graphite is watered pipe for casting, including the graphite pipe body, the through-hole has been seted up to this internal axial of graphite pipe, the through-hole is including the inflow section, converge section and outflow section, the one end that the inflow section is located the graphite pipe body is equipped with the inlet, the other end that the outflow section is located the graphite pipe body is equipped with the liquid outlet, connect through the section that converges between inflow section and the outflow section, the aperture of outflow section is less than the aperture of inflow section, the section that converges reduces gradually from inflow section deviation outflow section direction aperture, current graphite is watered pipe when melting liquid output has been solved, the liquid stream that melts of graphite pouring pipe output is unstable, and the problem that appears the defect behind the ingot casting cooling crystallization, the metal melt liquid stream that makes graphite pour pipe output is more stable, the velocity of flow is more even.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a graphite pipe technical field especially relates to a casting is watered with graphite and is managed.
[ background of the invention ]
When the metal melt is processed and cast for crystallization, the metal melt needs to be guided into a crystallizer through a graphite pouring pipe, the graphite pouring pipe is generally a straight-through inner hole, the fluctuation of the liquid level of the copper liquid in a furnace end is large when the furnace is tilted, the pressure of the melt entering the graphite pouring pipe is unstable, the liquid flow output from the graphite pipe to the crystallizer is further unstable, the heat in the solidification process of the copper liquid in the crystallizer is uneven, and the defects of internal air holes, cracks and the like of an ingot are further caused.
[ Utility model ] content
The utility model aims to solve the technical problem that overcome prior art not enough and provide a casting with graphite waters pipe, solved current graphite and watered the pipe when melting liquid output, the graphite waters the liquid stream instability that melts of pipe output, and the problem that appears the defect after the ingot casting cooling crystallization.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a casting is with graphite watering pipe, includes the graphite pipe body, the through-hole has been seted up to the axial in the graphite pipe body, the through-hole is including flowing into the section, converging the section and flowing out the section, it is located to flow into the section the one end of graphite pipe body is equipped with the inlet, it is located to flow out the section the other end of graphite pipe body is equipped with the liquid outlet, flow into and flow out and connect through converging the section between the section, the aperture that flows out the section is less than the aperture that flows into the section, converge the section certainly flow into the section deviation to flow out section direction aperture and dwindle gradually.
In the graphite pour tube for casting of the above type, the inflow section and the outflow section are smoothly transited by the confluence section.
In the graphite pouring tube for casting, the confluence section is an inner concave surface, a convex surface or a round table surface.
In the above-described graphite pour tube for casting, the aperture ratio of the inflow section and the outflow section is 7: 6.
in the graphite pour tube for casting described above, the axial distance ratio of the confluence section and the outflow section is 1: 2.
in the above-mentioned casting is with graphite water pipe, the graphite pipe body is close to the one end of inlet is equipped with the mount table, the mount table surface is formed with sizing section and reducing section in proper order, the reducing section sets up between sizing section and inlet, the reducing section reduces from keeping away from sizing section diameter gradually.
In the graphite pouring tube for casting described above, the diameter of the reducing section is larger than the diameter of the reducing section, and a smooth transition is made between one end of the reducing section and one end of the reducing section.
The utility model has the advantages that:
the utility model discloses in through setting up the different inflow section in aperture and the outflow section with the graphite pipe body, set up the section of converging between inflow section and outflow section simultaneously, melt liquid when entering into the inflow section, the unstability is melting liquid and inflow section inner wall friction contact then enters into the section of converging, the direction aperture that utilizes the section of converging's aperture to keep away from the inflow section reduces gradually, and then play the effect of converging, make unstable melt liquid when striking the inner wall of the section of converging in the inflow section, play cushioning effect and concentrate and collect the outflow section and export to melt liquid, and then play the purpose of stable melt liquid, the melt liquid that the messenger melts liquid and passes through graphite pipe output is more stable, and then avoid the melt liquid flow through watering the pipe unstable, lead to copper liquid solidification process in-process heat inhomogeneous and make the ingot casting ingot appear defects such as inside gas pocket and crackle.
The utility model discloses in, through the slick and sly transition of confluence section between inflow section and the outflow section, slick and sly transition between inflow section and the outflow section avoids melting liquid and partially piles up in the changeover portion, prevents to melt liquid and produces the copper liquid dead angle between inflow section and outflow section.
In a further scheme, the reducing section is an inner concave surface, a convex surface or a circular table surface, the shape of the inner wall of the converging section can be a concave surface, a convex surface or a circular table surface, and the purpose of collecting and draining the melt of the inflow section into the outflow section is mainly achieved.
In a further aspect, the aperture ratio of the inflow section to the outflow section is 7: 6. this aperture ratio avoids appearing flowing section aperture relative inflow section aperture oversize, and can not play the stationary flow effect, has also avoided flowing section aperture undersize simultaneously and has hindered the output that this internal melt liquid of graphite tube, and this proportion setting realizes under the circumstances of stably melting liquid, guarantees to enter into this internal melt liquid of graphite tube and can last the output.
In a further aspect, the axial distance ratio of the confluence section to the outflow section is 1: 2. the length ratio of the confluence section to the outflow section avoids the confluence effect from being influenced by the overlong or overlong length of the confluence section on the premise of ensuring that the confluence section can carry out steady flow confluence on the molten liquid in the inflow section.
According to the further scheme, an installation table is arranged at one end, close to the liquid inlet, of the graphite pipe body, a sizing section and a reducing section are sequentially formed on the surface of the installation table, the reducing section is arranged between the sizing section and the liquid inlet, and the diameter of the reducing section is gradually reduced from the diameter far away from the sizing section. The reducing section is reduced from the diameter component far away from the sizing section, so that the reducing section is provided with an inclined plane, and the inclined plane of the mounting table can be utilized to abut against the outlet of the melting furnace for storing molten liquid.
In a further scheme, the diameter of the sizing section is larger than that of the reducing section, one end of the reducing section and one end of the sizing section are in smooth transition, the diameter of the sizing section is larger than that of the reducing section and is in smooth transition with the reducing section, and therefore the axial supporting force of the reducing section of the mounting table is convenient to strengthen.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention will be further explained with reference to the drawings:
FIG. 1 is a sectional view of a graphite tube body according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a graphite tube body in the prior art according to an embodiment of the present invention.
Reference numerals:
100 graphite tube bodies, 110 inflow sections, 120 confluence sections and 130 outflow sections;
200 mounting tables, 210 reducing sections and 220 sizing sections;
300 liquid inlet, 310 liquid outlet.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 and 2, a graphite casting tube for casting according to an embodiment of the present invention includes a graphite tube body 100, a through hole for guiding flow is formed in the graphite tube body 100, a mounting platform 200 is disposed at one end of the graphite tube body 100, an inflow section 110 and an outflow section 130 are respectively formed at two ends of the through hole, a collecting section 120 is disposed between the inflow section 110 and the outflow section 130, an aperture of the inflow section 110 is larger than an aperture of the outflow section, an axial distance of the inflow section 110 is larger than an axial distance of the outflow section 130, an inlet 300 is disposed at an end of the inflow end located at the mounting platform 200, and a liquid outlet 310 is disposed at the other end of the outflow section 130 located at the graphite tube body 100, when the graphite casting tube is used, the mounting platform 200 of the graphite tube body 100 is aligned with a furnace mouth of a furnace, a melt in the furnace flows into the inflow end through the inlet 300, and passes through the collecting section 120 and the outflow section 130 in turn to be discharged from the liquid outlet 310 into a crystallizer, so as to complete the flow guiding work of the graphite pouring pipe.
In this embodiment, the aperture of the inflow section 110 is larger than that of the outflow section 130, and the converging section 120 is gradually reduced in inner diameter from the direction away from the inflow section 110 to the outflow section 130, the molten liquid enters the inflow section 110 through the melting furnace and contacts with the inner wall of the inflow section 110 to perform a primary steady flow, then the molten liquid enters the converging section 120, the converging section 120 is biased towards the outflow section 130, the aperture of the converging section 120 is gradually reduced, the molten liquid collides with the inner wall of the converging section 120 to perform a secondary steady flow, and the molten liquid is intensively entered into the outflow section 130 under the converging action of the inner wall of the converging section 120 and is discharged through the liquid outlet 310 of the outflow section 130, after the molten liquid is discharged through the inflow section 110, the converging section 120 and the outflow section 130, the flow rate and the flow rate of the molten liquid when the molten liquid is output into the crystallizer are more stable, and the unstable flow of the molten liquid due to output is avoided, and after the molten liquid is output to the crystallizer, the heat in the crystallizer is uneven, so that internal air holes of the cast ingot (the molten liquid becomes the cast ingot after being cooled) or cracks of the cast ingot are generated.
Preferably, referring to fig. 1, the confluence section 120 has a circular truncated cone structure, the diameter of the lower bottom surface of the confluence section 120 is the same as that of the inflow section 110, and the inner diameter of the upper bottom surface of the confluence section 120 is the same as that of the outflow section 130, so that when the molten liquid in the inflow section 110 enters the outflow section 130 through the confluence section 120, the molten liquid is drained and collected by the circular truncated cone of the confluence section 120.
Further, the inclined surface of the circular table of the confluence section 120 has a smooth surface, so that the melted liquid can enter the outflow section 130 through the confluence section 120, and of course, the confluence section 120 can also be an inner concave surface and an outer convex surface, as long as the confluence is ensured to be far away from the inflow section 110, the inner diameter component is reduced to achieve the purpose of confluence of the melted liquid, and the shape of the confluence section 120 is not limited to a certain shape.
Preferably, the axial length ratio of the confluence section 120 to the inflow section 110 is 1 to 2, and by setting the ratio, on the premise that the confluence section 120 can stabilize the molten liquid in the inflow section 110, the stable molten liquid is output to the outflow section 130, so that the situation that the length of the confluence section 120 relative to the outflow section 130 is too long, the inclination angle of the inner wall of the confluence section 120 is too small, and the flow stabilization effect is reduced, or the slope angle of the inner wall of the confluence section 120 is too large due to the too short confluence section 120, and the molten liquid is deposited at two ends of the confluence section 120 to influence the flow of the molten liquid is avoided.
In this embodiment, the axial length of the flow-joining section 120 is 5mm, and the diameter of the flow-out section 130 is 10 mm.
In this embodiment, two sections of the flow-joining section 120 are in smooth transition with the flow-in section 110 and the flow-out section 130, respectively, so as to avoid the situation that the flow of the molten liquid in the graphite tube body 100 is affected by a misalignment included angle between the flow-in section 110 and the flow-joining section 120 or a misalignment included angle between the flow-in section 110 and the flow-joining section 120.
Preferably, the aperture ratio of the inflow section 110 and the outflow section 130 is 7: 6, this aperture ratio avoids appearing that the relative inflow section 110 aperture in outflow section 130 aperture is too big, and can not play the stationary flow effect, has also avoided outflow section 130 aperture undersize simultaneously and has hindered the output of melting in the graphite tube body 100, and this proportion setting realizes guaranteeing to enter into the melting in the graphite tube body 100 and can last the output under the condition of stably melting.
In this embodiment, in order to facilitate the connection between the graphite tube body 100 and the melting furnace, the molten metal in the melting furnace enters the graphite tube body 100, the setting section 220 and the reducing section 210 are arranged on the mounting table 200 at the end of the graphite tube body 100, the reducing section 210 is a circular truncated cone inclined surface arranged on the surface of the mounting portion, the setting section is a cylindrical body arranged on the bottom surface of the circular truncated cone, the mounting table 200 and the graphite tube body 100 are integrally formed, when the graphite tube body 100 is connected with the liquid outlet 310 of the melting furnace, the circular truncated cone inclined surface of the reducing section 210 passing through the mounting table 200 abuts against the liquid outlet 310 of the melting furnace, so that the molten metal enters the inflow section 110 of the graphite tube body 100 through the liquid inlet 300 of the graphite tube body 100, and the graphite tube body 100 and the melting furnace are connected.
In this embodiment, the outer diameter of the graphite tube body 100 is 38mm, the aperture of the inflow section 110 is 14mm, and the aperture of the outflow section 130 is 12mm, so that the wall thickness of the thinnest part of the graphite tube body 100 is also 24mm, the structural strength of the graphite tube is ensured, and the drainage and flow stabilization can be stabilized.
While the present invention has been described with reference to the particular illustrative embodiments, it will be understood by those skilled in the art that the present invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the present invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (7)
1. The utility model provides a graphite waters pipe for casting, includes the graphite pipe body, its characterized in that, the through-hole has been seted up to the axial in the graphite pipe body, the through-hole is including the inflow section, the section of converging and the section of flowing out, the inflow section is located the one end of graphite pipe body is equipped with the inlet, the outflow section is located the other end of graphite pipe body is equipped with the liquid outlet, connect through the section of converging between inflow section and the outflow section, the aperture of the section of flowing out is less than the aperture of the section of flowing in, the section of converging certainly the inflow section is partial to outflow section direction aperture reduces gradually.
2. A casting graphite pour tube according to claim 1, wherein the inflow section and the outflow section are smoothly transitioned by the confluence section.
3. A casting graphite pour tube according to claim 1, wherein the merging section is an inner concave surface, a convex surface or a round table surface.
4. A casting graphite pour tube according to claim 1, wherein the aperture ratio of the inflow section to the outflow section is 7: 6.
5. a casting graphite pour tube according to claim 1, wherein the axial distance ratio of the converging section to the outflow section is 1: 2.
6. the casting graphite cast pipe as claimed in claim 1, wherein a mounting table is provided at an end of the graphite pipe body close to the liquid inlet, a sizing section and a reducing section are sequentially formed on a surface of the mounting table, the reducing section is arranged between the sizing section and the liquid inlet, and the reducing section gradually reduces in diameter from a position far away from the sizing section.
7. A casting graphite pour tube according to claim 6, wherein the diameter of the sizing section is larger than the diameter of the reducing section, and the end of the reducing section and the end of the sizing section are smoothly transitioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123215480.8U CN217142306U (en) | 2021-12-20 | 2021-12-20 | Graphite pouring pipe for casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123215480.8U CN217142306U (en) | 2021-12-20 | 2021-12-20 | Graphite pouring pipe for casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217142306U true CN217142306U (en) | 2022-08-09 |
Family
ID=82686559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123215480.8U Active CN217142306U (en) | 2021-12-20 | 2021-12-20 | Graphite pouring pipe for casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217142306U (en) |
-
2021
- 2021-12-20 CN CN202123215480.8U patent/CN217142306U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104364032B (en) | Method for manufacturing high-purity steel casting, and tundish | |
| KR101641812B1 (en) | Continuous casting equipment | |
| CN1222104A (en) | Submerged nozzle for continuous casting of thin slabs | |
| CN217142306U (en) | Graphite pouring pipe for casting | |
| CN202291392U (en) | Four-hole submerged nozzle used for sheet billet continuous casting machine | |
| US20020063172A1 (en) | Nozzle for guiding molten metal | |
| CN102294454A (en) | Arrangement structure of immerged water inlets for special blank crystallizer | |
| CN114130954B (en) | Pouring system with slag collecting function and slag collecting method | |
| CN102274961A (en) | Submersed nozzles for shaped blank continuous casting crystallizer | |
| CN202270949U (en) | Submersed nozzle for beam blank continuous casting mould | |
| CN212761087U (en) | Tundish argon blowing current stabilizer of continuous casting machine | |
| CN102794445B (en) | Slab continuous casting submersed nozzle | |
| US10682689B2 (en) | Continuous casting nozzle deflector | |
| CN219378957U (en) | Immersed nozzle diverter | |
| CN210254221U (en) | Immersion type water gap of H-shaped anti-leakage steel | |
| CN110181033A (en) | A kind of submersed nozzle of H-type steel-leakage preventing | |
| CN203292439U (en) | Multi-stage shunting type continuous casting immersive nozzle | |
| CN220560412U (en) | Novel continuous casting tundish | |
| CN209465687U (en) | Spiral continuous casting immersion outlet | |
| CN214977729U (en) | Casting tube with expansion cavity | |
| CN218821663U (en) | Intermediate frequency furnace mouth drain device and intermediate frequency furnace using same | |
| CN220497761U (en) | Tundish nozzle for continuous casting and tundish | |
| CN218252877U (en) | Tundish current stabilizer for continuous casting | |
| CN214867112U (en) | Bevel connection casting tube | |
| CN221388895U (en) | Small square billet continuous casting tundish seat brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |