CN111692881A - Implanted molten ceramic material outflow device - Google Patents
Implanted molten ceramic material outflow device Download PDFInfo
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- CN111692881A CN111692881A CN202010597095.5A CN202010597095A CN111692881A CN 111692881 A CN111692881 A CN 111692881A CN 202010597095 A CN202010597095 A CN 202010597095A CN 111692881 A CN111692881 A CN 111692881A
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- gas distributor
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- 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
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
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- 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
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
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- 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
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
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- 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
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/20—Arrangement of controlling, monitoring, alarm or like devices
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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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
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- 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
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0887—Movement of the melt
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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
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/063—Special atmospheres, e.g. high pressure atmospheres
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses an implanted molten ceramic material outflow device which comprises an outflow pipe, wherein the outflow pipe is arranged at the bottom of a smelting furnace. The opening and closing of the spout can be realized in an electric heating mode, the flow of the molten ceramic material of the spout can be controlled by controlling the current, the stable flow control of the molten ceramic material is realized, the concentration of the granularity of the ceramic sand is ensured, and the quality of the ceramic sand can also be ensured.
Description
Technical Field
The invention belongs to the technical field of preparation of fused ceramic particles, and particularly relates to an implanted fused ceramic material outflow device.
Background
The sand casting is a main process method for producing castings, and the castings produced by the sand casting process account for more than 70% of the total production of the castings; the sand is an aggregate for forming a casting mold and a core in sand casting, is an important molding material for sand casting, and has physical and chemical properties which determine the casting process performance and influence the quality of a casting; the raw sand used for sand casting in the casting industry is mainly quartz sand, and the usage amount of the raw sand accounts for more than 90% of the amount of the sand used for casting; however, quartz sand has high thermal expansion, poor thermochemical stability under the action of metal oxides, and castings are prone to sand sticking, veining and surface roughnessCasting defects and a large amount of free SiO contained in the product during the production process2The dust is easy to cause damage to human bodies, so that the quartz sand is not an ideal molding material for casting; in order to reduce the application of quartz sand in casting production, artificial ceramic casting sand is produced.
The artificial ceramic casting sand grains have round shape, high refractoriness, small thermal expansion, strong crushing resistance and long service life, can save the using amount of a bonding agent, improve the surface and dimensional accuracy of a casting and is popularized and applied in casting production; the outflow port of the existing fused ceramic sand preparation system is formed by directly building refractory materials on a furnace body, the shape is irregular, the outflow rate is unstable, and the preparation process of the fused ceramic sand is difficult to stably control, so that the prepared ceramic sand has dispersed granularity and unstable quality.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an implanted molten ceramic material outflow device, which can realize the opening and closing of a spout in an electric heating mode, can control the flow of the molten ceramic material of the spout by controlling the current, realizes the stable flow control of the molten ceramic material, and not only ensures the concentrated granularity of ceramic sand, but also can ensure the quality of the ceramic sand.
In order to achieve the purpose, the invention adopts the technical scheme that:
an implanted molten ceramic material outflow device comprises an outflow pipe, wherein the outflow pipe is arranged at the bottom of a smelting furnace.
Preferably, the lower end of the outflow pipe extends to the outside of the smelting furnace, a heat-insulating refractory lining and a protective shell are arranged on the outflow pipe extending to the outside of the smelting furnace, the heat-insulating refractory lining is sleeved on the outside of the outflow pipe, a first cooling jacket is arranged at the bottom of the heat-insulating refractory lining, the protective shell is arranged on the outside of the heat-insulating refractory lining, the top of the protective shell is arranged at the bottom of the smelting furnace, the first cooling jacket is sleeved on the outflow pipe, a first cooling water inlet pipe is arranged at one side of the first cooling jacket, a first cooling water outlet pipe is arranged at the other side of the first cooling jacket, an induction heater is arranged at the outside of the heat-insulating refractory lining, the induction heater is connected with a variable frequency power supply, a third cooling water inlet pipe is arranged at the lower end of one side of the induction heater, a third cooling water outlet pipe is, first gas distributor is located the bottom of outlet pipe, install first intake pipe in first gas distributor's one end, under variable frequency power supply's effect, can utilize induction heater to heat the outlet pipe, thereby guarantee that the melting material in the outlet pipe is the mobile state, make things convenient for follow-up jetting pipe to spout the melting material, form ceramic sand, first cooling jacket can cool off the outlet pipe as required, realize the flow control of melting material, first gas distributor can carry inert gas to outlet pipe department, be used for protecting the outlet pipe, the life of outlet pipe has been improved.
Preferably, the power of the variable frequency power supply is 0-500kW, and the working frequency is 300Hz-100kHz, so that the purpose of controlling the flow of the molten material is achieved, and the quality of the ceramic sand is ensured.
Preferably, the outflow pipe is made of heat-resistant metal or alloy such as tungsten and molybdenum, so that the outflow pipe is ensured to have enough heat resistance, the ceramic sand is ensured to be produced smoothly, and the quality of the ceramic sand is ensured.
Preferably, first gas distributor adopts annular cavity structure, and it has a plurality of ventholes to open on first gas distributor's interior plate, and a plurality of ventholes evenly distributed are on gas distributor's interior plate, and first gas distributor can carry inert gas out of tubes department, prevents that out of tubes from by the oxidation, has guaranteed out of tubes's safety, has improved the device's life greatly.
Preferably, the outlet pipe is arranged in the furnace, a top plate, a bottom plate, the outlet pipe and a negative connecting terminal are arranged at the bottom of the outlet pipe, a heat-resistant electrode is arranged in the furnace, the heat-resistant electrode is arranged above the outlet pipe, one end of the heat-resistant electrode is arranged at the bottom of the furnace, a positive connecting terminal is arranged on the heat-resistant electrode, a nut is fixedly arranged on the top plate, threads are arranged on the outer side of the outlet pipe and matched with the nut, the outlet pipe is connected with the negative connecting terminal, the top plate is arranged at one inner side of the bottom of the furnace, the bottom plate is arranged at the outer side of the bottom of the furnace, a second cooling jacket and a second gas distributor are fixedly arranged between the top plate and the bottom plate, the second gas distributor is arranged at the outer side edge of the outlet end of the outlet, the second gas distributor is of a cavity structure, and one end of, a gap is formed between the top of the inner side plate of the second gas distributor and the top plate, the other end of the second gas distributor is fixed on the bottom plate, a second air inlet pipe is arranged at one end of the second air distributor, the second cooling jacket is sleeved outside the second air distributor, one end of the second air distributor is arranged on the top plate, the other end of the second air distributor is arranged on the bottom plate, a second cooling water inlet pipe is arranged on one side of the second cooling jacket, a second cooling water outlet pipe is arranged on the other end of the second cooling jacket, the positive connecting terminal and the negative connecting terminal are connected with a power supply, the heat-resistant electrode and the outflow pipe are electrified, current is generated between the two electrodes, resistance heat is generated in the molten ceramic material, so that the molten ceramic material between the heat-resisting electrode and the outflow pipe is always kept at a higher temperature, the outflow port is kept smooth, and the molten ceramic material flows out of the outflow port; when the electric arc or resistance heating ore furnace is used for melting the ceramic material, the heat-resisting electrode can be removed, the negative electrode connection terminal is grounded, the melting electrode is used as the other electrode, and resistance heat is generated in the molten ceramic material through the flow of current between the two electrodes, so that the smoothness of the outflow port is kept.
Preferably, the second cooling jacket and the second gas distributor both adopt conical structures, the second cooling jacket is convenient to cool the outflow pipe, and therefore the purpose of controlling the flow of the molten material is achieved, the second gas distributor is convenient to convey inert gas to the outflow pipe, the safety of the outflow pipe is guaranteed, and the service life of the device is prolonged.
Preferably, the heat-resistant electrode is made of heat-resistant metals or alloys such as tungsten and molybdenum, so that the electrode has sufficient heat resistance, the molten material is continuously heated, and the fluidity of the molten material is ensured, so that the ceramic sand can be smoothly produced, and the quality of the ceramic sand is ensured.
The invention has the beneficial effects that:
1) this device can realize opening and closing of running-off through the electric heating mode, can control the flow of the fused ceramic material of running-off simultaneously through the size of control current, has realized the stable flow control of fused ceramic material, has not only guaranteed that the granularity of ceramic sand is concentrated, but also can guarantee the quality of ceramic sand.
2) This device mechanism of effluenting can utilize induction heater to heat the outflow pipe under variable frequency power supply's effect to guarantee that the melting material in the outflow pipe is mobile state, make things convenient for follow-up jetting pipe to spout the melting material, form ceramic sand, first cooling jacket can cool off the outflow pipe as required, be convenient for control the flow of melting material, first gas distributor can carry inert gas to outflow pipe department, be used for protecting the outflow pipe, the life of outflow pipe has been improved.
3) The power of the variable frequency power supply of the device is 0-500kW, the working frequency is 300Hz-100kHz, and the input energy intensity is convenient to control, so that the purpose of controlling the flow of the melting material is achieved, and the quality of the ceramic sand is ensured.
4) The outflow pipe of the device is made of heat-resistant metals such as tungsten and molybdenum or alloys, so that the outflow pipe is ensured to have enough heat resistance, the stability and normal operation of the device are ensured, the ceramic sand can be smoothly produced, and the quality of the ceramic sand is ensured.
5) The first gas distributor of the device adopts an annular cavity structure, a plurality of gas outlets are formed in the inner side plate of the first gas distributor, the gas outlets are uniformly distributed on the inner side plate of the gas distributor, the first gas distributor can convey inert gas to the outlet pipe, the outlet pipe is prevented from being oxidized, the safety of the outlet pipe is guaranteed, and the service life of the device is greatly prolonged.
Drawings
FIG. 1 is a schematic structural view of an embodiment 1 of an implantable molten ceramic material flow device according to the present invention.
FIG. 2 is a schematic structural view of an embodiment 2 of an implantable molten ceramic material outflow device according to the present invention.
FIG. 3 is a schematic structural view of an embodiment 3 of an implantable molten ceramic material flow device according to the present invention.
In the figure: 1. a furnace; 2. an outflow port; 3. a discharge pipe; 4. a heat insulating refractory lining; 5. a third cooling water outlet pipe; 6. a third cooling water inlet pipe; 7. a first cooling water inlet pipe; 8. a first intake pipe; 9. a first gas distributor; 10. an exhaust hole; 11. a first cooling jacket; 12. a first cooling water outlet pipe; 13. a protective shell; 14. a variable frequency power supply; 15. an induction heater; 16. a heat-resistant electrode; 17. a second gas distributor; 18. a base plate; 19. a positive terminal; 20. a second cooling water inlet pipe; 21. a second intake pipe; 22. a second cooling water outlet pipe; 23. a negative terminal; 24. a second cooling jacket; 25. a top plate; 26. and a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3, and it is obvious that the described embodiments 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.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, and that the configuration and operation of the specific orientation, and therefore, should not be construed as limiting the present invention.
Example 1
According to fig. 1, an implantable molten ceramic material outflow device comprises an outflow pipe 3, wherein the outflow pipe 3 is arranged at the bottom of a melting furnace 1; this device can realize the stable flow control of fused ceramic material through the flow of outlet 2 control fused ceramic material, has not only guaranteed that the granularity of ceramic sand is concentrated, but also can guarantee the quality of ceramic sand.
Example 2
The difference from the embodiment 1 shown in fig. 2 lies in that the lower end of the outlet pipe 3 extends to the outside of the melting furnace 1, a heat-insulating refractory lining 4 and a protective shell 13 are installed on the outlet pipe 3 extending to the outside of the melting furnace 1, the heat-insulating refractory lining 4 is sleeved on the outside of the outlet pipe 3, a first cooling jacket 11 is arranged at the bottom of the heat-insulating refractory lining 4, the protective shell 13 is installed at the outside of the heat-insulating refractory lining 4, the top of the protective shell 13 is installed at the bottom of the melting furnace 1, the first cooling jacket 11 is sleeved on the outlet pipe 3, a first cooling water inlet pipe 7 is arranged at one side of the first cooling jacket 11, a first cooling water outlet pipe 12 is arranged at the other side of the first cooling jacket 11, an induction heater 15 is installed at the outside of the heat-insulating refractory lining 4, the induction heater 15 is connected with a variable frequency power supply 14, a third cooling water inlet pipe 6 is installed at the lower, install first gas distributor 9 in the bottom of protective housing 13, first gas distributor 9 covers in the bottom of outlet pipe 3, install first intake pipe 8 in the one end of first gas distributor 9, under variable frequency power supply 14's effect, can utilize induction heater to heat outlet pipe 3, thereby guarantee that the molten material in outlet pipe 3 is the mobile state, make things convenient for follow-up jetting pipe to spout the molten material, form ceramic sand, first cooling jacket 11 can cool off outlet pipe 3 as required, be convenient for control the flow of molten material, first gas distributor 9 can carry inert gas to outlet pipe 3 department, be used for protecting outlet pipe 3, the life of outlet pipe 3 has been improved.
Wherein, first cooling water inlet pipe 7 cooperatees with first cooling water outlet pipe 12, has guaranteed the circulation of cooling water, can play refrigerated effect to outlet pipe 3.
The variable frequency power supply 14 supplies power to the induction heater 15, the induction heater 15 heats the outflow pipe 3, the ceramic material in the outflow pipe 3 is ensured to be in a molten state, the outflow pipe 3 is smooth, and the molten ceramic material in the smelting furnace 1 flows out through the outflow pipe 3; the power and the frequency of the variable frequency power supply 14 are reduced, the temperature of the outlet pipe 3 can be reduced, the through-flow cross-sectional area of the outlet pipe 3 is reduced due to the adhesion of the ceramic material on the inner surface of the outlet pipe 3, the flow of the molten ceramic material is reduced, otherwise, the flow of the molten ceramic material can be increased, and the adjustment of the outlet flow of the molten ceramic material is realized; the power and frequency of the variable frequency power supply 14 are unchanged, and the flow rate of the molten ceramic material discharged is relatively stable.
The power of the variable frequency power supply 14 is adjusted to zero, the temperature of the flow outlet pipe 3 is reduced under the cooling effect of the cooling jacket, the through-flow cross-sectional area of the flow outlet pipe 3 is gradually reduced due to the adhesion of the molten ceramic material, and the flow outlet pipe 3 is finally blocked, so that the closing of the flow outlet 2 of the molten ceramic material is realized; adjust variable frequency power supply 14's power and frequency, induction heater 15 will heat outlet pipe 3 to ceramic material to solidifying in outlet pipe 3 heats, treats to reach ceramic material's melting temperature after, ceramic material melting and from outlet pipe 3 discharge, realized opening of outlet pipe 3.
The power of the variable frequency power supply 14 is 0-500kW, the working frequency is 300Hz-100kHz, and the input energy intensity is conveniently controlled, so that the purpose of controlling the flow of the melting material is achieved, and the quality of the ceramic sand is ensured.
The outflow pipe 3 is made of heat-resistant metals or alloys such as tungsten and molybdenum, so that the outflow pipe is ensured to have enough heat resistance, the stability and normal operation of the device are ensured, the smooth production of ceramic sand is ensured, and the quality of the ceramic sand is ensured.
First gas distributor 9 adopts annular cavity structure, and it has a plurality of ventholes 10 to open on first gas distributor 9's interior plate, and a plurality of ventholes 10 evenly distributed are on gas distributor's interior plate, and first gas distributor 9 can carry inert gas to go out flow tube 3 department, prevents that flow tube 3 from being oxidized, has guaranteed the safety of flow tube 3, has improved the device's life greatly.
Example 3
As shown in fig. 3, the difference from the embodiment 1 and the embodiment 2 is that the outlet pipe 3 is arranged inside the furnace 1, the top plate 25, the bottom plate 18, the outlet pipe 3 and the negative electrode terminal 23 are arranged at the bottom of the outlet pipe 3, the heat-resistant electrode 16 is arranged inside the furnace 1, the heat-resistant electrode 16 is arranged above the outlet pipe 3, one end of the heat-resistant electrode 16 is arranged at the bottom of the furnace 1, the positive electrode terminal 19 is arranged on the heat-resistant electrode 16, the nut 26 is fixed on the top plate 25, the screw thread is arranged on the outer side of the outlet pipe 3 and is matched with the nut 26, the outlet pipe 3 is connected with the negative electrode terminal 23, the top plate 25 is fixed on the inner side of the bottom of the furnace 1, the bottom plate 18 is fixed on the outer side of the bottom of the furnace 1, the second cooling jacket 24 and the second gas distributor 17 are fixedly arranged between the top plate 25 and the bottom plate 18, the second gas distributor 17 is fixed at the outer, and second gas distributor 17 is cavity structures, and the one end of second gas distributor 17 is fixed on roof 25, and has the clearance between the inside plate top of second gas distributor 17 and roof 25, and the other end of second gas distributor 17 is fixed on bottom plate 18, installs second intake pipe 21 in the one end of second gas distributor 17, second cooling jacket 24 cover is in the outside of second gas distributor 17, and the one end of second gas distributor 17 is fixed on roof 25, and the other end is fixed on bottom plate 18, installs second cooling water inlet tube 20 in the one side of second cooling jacket 24, and second cooling water outlet pipe 22 is installed to the other end of second cooling jacket 24.
Wherein, the gap between second intake pipe 21 and second gas distributor 17 inside plate and roof 25 cooperatees, has guaranteed inert gas's circulation, can play the guard action to outflowing port 2, prevent outflowing port 2 oxidation damage, the life of the device has been improved, second cooling water inlet tube 20 cooperatees with second cooling water outlet pipe 22, the circulation of cooling water has been guaranteed, cooling efficiency has been guaranteed, the device's life has been improved, and realize the flow control of fuse-element.
The positive connecting terminal 19 and the negative connecting terminal 23 are connected with a power supply, the heat-resistant electrode 16 and the outflow tube 3 are electrified, current is generated between the two electrodes, and resistance heat is generated inside the molten ceramic material, so that the molten ceramic material between the heat-resistant electrode 16 and the outflow tube 3 is always kept at a high temperature, the outflow tube 3 is kept smooth, and the molten ceramic material flows out of the outflow tube 3.
When the electric arc or resistance heating ore furnace is adopted to melt the ceramic material, the heat-resisting electrode 16 can be removed, the negative electrode connection terminal is grounded, the melting electrode is used as the other electrode, and resistance heat is generated in the molten ceramic material through the flow of current between the two electrodes, so that the flow of the outflow pipe 3 is kept smooth.
The second cooling jacket 24 and the second gas distributor 17 both adopt a conical structure, the second cooling jacket 24 is convenient for cooling the outflow pipe 3, so that the purpose of controlling the flow of the molten material is achieved, the second gas distributor 17 is convenient for conveying inert gas to the outflow pipe 3, the safety of the outflow pipe 3 is ensured, and the service life of the device is prolonged.
The heat-resistant electrode 16 is made of heat-resistant metals or alloys such as tungsten and molybdenum, so that sufficient heat resistance is ensured, a molten material can be continuously heated, and the fluidity of the molten material is ensured, so that the ceramic sand can be smoothly produced, and the quality of the ceramic sand is ensured.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (8)
1. An embedded molten ceramic material outflow device is characterized by comprising an outflow pipe, wherein the outflow pipe is arranged at the bottom of a smelting furnace.
2. The embedded molten ceramic material outflow device of claim 1, wherein the lower end of the outflow pipe extends to the outside of the melting furnace, and the outflow pipe extending to the outside of the melting furnace is provided with a heat-insulating refractory lining and a protective shell, the heat-insulating refractory lining is sleeved on the outside of the outflow pipe, the bottom of the heat-insulating refractory lining is provided with a first cooling jacket, the protective shell is installed on the outside of the heat-insulating refractory lining, the top of the protective shell is installed on the bottom of the melting furnace, the first cooling jacket is sleeved on the outflow pipe, one side of the first cooling jacket is provided with a first cooling water inlet pipe, the other side of the first cooling jacket is provided with a first cooling water outlet pipe, the outside of the heat-insulating refractory lining is provided with an induction heater, the induction heater is connected with a variable frequency power supply, the lower end of one side of the induction heater is provided with a third cooling water inlet pipe, the bottom of the protective shell is provided with a first gas distributor, the first gas distributor is positioned at the bottom of the outlet pipe, and one end of the first gas distributor is provided with a first gas inlet pipe.
3. The apparatus of claim 2, wherein the variable frequency power source has a power of 0-500kW and an operating frequency of 300Hz-100 kHz.
4. The device of claim 2, wherein the outlet pipe is made of a refractory metal or alloy such as tungsten or molybdenum.
5. The apparatus of claim 2, wherein the first gas distributor has a ring-shaped cavity structure, and the inner plate of the first gas distributor has a plurality of gas outlets, and the plurality of gas outlets are uniformly distributed on the inner plate of the gas distributor.
6. The embedded molten ceramic material outflow device of claim 1, wherein the outflow pipe has a top plate, a bottom plate, an outflow pipe, and a negative electrode terminal, the furnace has a heat-resistant electrode inside, the heat-resistant electrode is disposed above the outflow pipe, and one end of the heat-resistant electrode is mounted at the bottom of the furnace, the heat-resistant electrode has a positive electrode terminal mounted thereon, the top plate has a nut fixedly mounted thereon, the outflow pipe has a screw thread on an outer side thereof and is engaged with the nut, the outflow pipe is connected with the negative electrode terminal, the top plate is mounted at an inner side of the furnace bottom, the bottom plate is mounted at an outer side of the furnace bottom, a second cooling jacket and a second gas distributor are fixedly mounted between the top plate and the bottom plate, the second gas distributor is mounted at an outer edge of an outflow end of the outflow port, and the second gas distributor has a cavity structure, one end of the second gas distributor is fixed on the top plate, a gap is formed between the top of the inner side plate of the second gas distributor and the top plate, the other end of the second gas distributor is fixed on the bottom plate, and a second gas inlet pipe is installed at one end of the second gas distributor. The second cooling jacket is sleeved on the outer side of the second gas distributor, one end of the second gas distributor is installed on the top plate, the other end of the second gas distributor is installed on the bottom plate, a second cooling water inlet pipe is installed on one side of the second cooling jacket, and a second cooling water outlet pipe is installed at the other end of the second cooling jacket.
7. The implantable molten ceramic flow device of claim 6 wherein the second cooling jacket and the second gas distributor are tapered.
8. The device of claim 6, wherein the refractory electrode is made of refractory metal or alloy such as tungsten or molybdenum.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010597095.5A CN111692881B (en) | 2020-06-28 | 2020-06-28 | Implanted molten ceramic material outflow device |
| PCT/CN2020/106130 WO2022000680A1 (en) | 2020-06-28 | 2020-07-31 | Implantable molten ceramic material outflow apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010597095.5A CN111692881B (en) | 2020-06-28 | 2020-06-28 | Implanted molten ceramic material outflow device |
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| Publication Number | Publication Date |
|---|---|
| CN111692881A true CN111692881A (en) | 2020-09-22 |
| CN111692881B CN111692881B (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010597095.5A Active CN111692881B (en) | 2020-06-28 | 2020-06-28 | Implanted molten ceramic material outflow device |
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| WO (1) | WO2022000680A1 (en) |
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| JPS5851886B2 (en) * | 1980-08-05 | 1983-11-18 | 動力炉・核燃料開発事業団 | Multi-stage heating/cooling type freeze valve |
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| KR20180137681A (en) * | 2017-06-19 | 2018-12-28 | 손인철 | Melt discharger having nitrogen cooling structure |
| CN110966864A (en) * | 2019-12-16 | 2020-04-07 | 赵华星 | Preparation system of fused ceramic sand |
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2020
- 2020-06-28 CN CN202010597095.5A patent/CN111692881B/en active Active
- 2020-07-31 WO PCT/CN2020/106130 patent/WO2022000680A1/en active Application Filing
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| CN111692881B (en) | 2021-07-06 |
| WO2022000680A1 (en) | 2022-01-06 |
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