CN107328234B - Sleeve water channel type water-cooled crucible and vacuum electron beam smelting device - Google Patents
Sleeve water channel type water-cooled crucible and vacuum electron beam smelting device Download PDFInfo
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- CN107328234B CN107328234B CN201710693256.9A CN201710693256A CN107328234B CN 107328234 B CN107328234 B CN 107328234B CN 201710693256 A CN201710693256 A CN 201710693256A CN 107328234 B CN107328234 B CN 107328234B
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- 238000010894 electron beam technology Methods 0.000 title claims description 8
- 238000003723 Smelting Methods 0.000 title description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 166
- 239000000463 material Substances 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 7
- 238000005219 brazing Methods 0.000 abstract description 4
- 238000004080 punching Methods 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F27B14/10—Crucibles
-
- 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
- F27B2014/045—Vacuum
-
- 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
- F27B2014/0837—Cooling arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The invention discloses a sleeve water channel type water-cooled crucible, which comprises a crucible, wherein a material pool is formed at the top of the crucible, a plurality of water holes are distributed at the bottom of the crucible, a base is fixedly arranged at the bottom of the crucible and seals the lower ports of the water holes, the sleeve water channel type water-cooled crucible comprises water guide pipes which are fixedly arranged on a base plate in one-to-one correspondence with through holes and can be inserted into the water holes in a matching way and keep a gap with the water holes, and communicating pipes which are arranged at the bottom of the base plate and are used for communicating the water guide pipes corresponding to the two groups of water holes, wherein the rest two water guide pipes are respectively connected with a water inlet pipe and a water outlet pipe. The invention discards the vacuum brazing structure, has no welding line in the crucible body, avoids the potential safety hazard of water leakage, improves the reliability of equipment, reduces the processing cost, can ensure the processing precision by forming the circulating water channel in a mode of punching the water hole and embedding the water guide pipe, and can flexibly adjust the cooling area of the water channel by adjusting the aperture and the water hole position, so that the cooling area is increased, and the requirements of different heat loads are met.
Description
Technical Field
The invention relates to a crucible, in particular to a sleeve water channel type water-cooled crucible and a vacuum electron beam smelting device.
Background
In the vacuum metal smelting purification technology, a water-cooling welding copper crucible is used as a carrier of an evaporation heat source in an evaporation system, copper has very good heat conduction performance, and the self temperature can be well reduced under the water-cooling condition, so that the usability is ensured. The existing cooling water channel generally adopts a waterway structure with lower inlet and upper outlet.
Chinese patent CN 204987858U discloses a water-cooled crucible for electron beam melting furnace, comprising a base, wherein the upper end surface of the base forms a convex ring, the lower ends of an outer water jacket and a jacket are both connected with the top surface of the convex ring, the lower end of an inner water jacket is inserted into the convex ring and connected with the base, the outer water jacket, the jacket and the inner water jacket are sequentially arranged from outside to inside, a gap is formed between the outer wall of the jacket and the inner wall of the outer water jacket, and the jacket is in clearance fit with the inner water jacket; the upper ends of the outer water jacket and the inner water jacket are connected through a flange; the outer circumferential wall of the inner water jacket forms a spiral groove; the lower end of the outer water jacket is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe penetrates through the outer water jacket and the jacket and is communicated with the spiral groove, and the water outlet pipe penetrates through the outer water jacket and is communicated with the gap.
Although the structure overcomes the temperature of local evaporation, the formation of the whole waterway is realized by vacuum brazing, the processing cost is high, the heating load is limited, the potential safety hazard of water leakage exists, and the reliability of an evaporation system is affected.
Disclosure of Invention
The invention aims at overcoming the technical defects in the prior art and provides a sleeve water channel type water-cooled crucible.
The technical scheme adopted for realizing the purpose of the invention is as follows:
a sleeve water channel type water-cooled crucible comprises,
the top of the crucible is provided with a material pool, n water holes are distributed at the bottom of the crucible, the water holes are in groups, and are communicated by a water tank, wherein n is an even number;
the bottom of the crucible is fixedly provided with a bottom plate with n through holes, water guide pipes which are fixedly arranged on the bottom plate in one-to-one correspondence with the through holes and can be inserted into the water holes in a matching way and keep a gap with the water holes, and communicating pipes which are arranged at the bottom of the bottom plate, wherein the number of the communicating pipes is n/2-1 and are used for communicating the corresponding water guide pipes between two groups of water holes, and the rest two water guide pipes are respectively connected with a water inlet pipe and a water outlet pipe;
the water tanks are not directly communicated with each other, the communicating pipes are not directly communicated with each other, and the water holes, the water tanks, the water guide pipes and the communicating pipes form an integral unidirectional passage.
The communicating pipe is integrally formed with the two corresponding conductive water guide pipes.
The lower surface of the base is provided with a positioning groove which is used for embedding the communicating pipe therein.
The water holes are arranged in parallel along the axial direction of the crucible.
The water holes comprise short water holes arranged at the bottom of the material pool and long water holes respectively arranged on the periphery of the material pool, and the wall thickness of the water holes and the material pool is 5-10mm.
The water flow cross section area in the water guide pipe is the same as the water flow cross section area between the water guide pipe and the water hole.
The inner diameter of the water guide pipe is 10-16mm, and the distance between the outer wall of the water guide pipe and the water hole is 3-5mm.
The temperature measuring mechanism is provided with axially extending measuring holes at the bottom of the material pool and/or the periphery of the material pool, and the base is correspondingly provided with perforations, and the temperature measuring mechanism passes through the perforations in a matched manner and is inserted into the measuring holes.
The crucible is made of copper, the base is made of stainless steel, and a sealing plate is arranged between the crucible and the base.
The water tank is formed on the lower surface of the crucible or the upper surface of the base, and the water tank notch is closed by the base or the crucible to form a water flow channel.
A vacuum electron beam smelting device comprises a vacuum chamber and the sleeve water channel type water-cooled crucible.
Compared with the prior art, the invention has the beneficial effects that:
the invention discards the vacuum brazing structure, has no welding line in the crucible body, avoids the potential safety hazard of water leakage, improves the reliability of equipment, reduces the processing cost, can ensure the processing precision by forming the circulating water channel in a mode of punching the water hole and embedding the water guide pipe, and can flexibly adjust the cooling area of the water channel by adjusting the aperture and the water hole position, so that the cooling area is increased, and the requirements of different heat loads are met.
The water-cooled crucible is combined with the heat source and the vacuum container, is used for the process technology of vacuum metal smelting and purifying, and improves the safety and reliability. Particularly, the installation type mechanism is used for arranging the water inlet and outlet pipe outside the vacuum chamber, the inside of the vacuum chamber is free of welding lines and machining surfaces, and even if water leaks, the water can flow out of the vacuum chamber, so that the safety performance is ensured.
Drawings
FIG. 1 is a schematic view showing an explosive state structure of a sleeve waterway type water-cooled crucible of the present invention;
FIG. 2 is a schematic view of a base;
FIG. 3 is a schematic view of another view of the base;
FIG. 4 shows a side view of the bottom of the crucible;
FIG. 5 is a schematic view showing a group state structure of a water-cooled crucible.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in the figure, the invention discloses a sleeve water channel type water-cooled crucible, which comprises,
the crucible 1 is provided with a material pool 11 at the top and n water holes 11 distributed at the bottom, wherein the water holes are in groups of water holes, are communicated by a water tank 12, and n is an even number which is a natural number and is larger than 2; if the water tank is provided with 16 water holes, the adjacent water holes are divided into eight groups by a combined score, and the two water holes of one group are communicated by 8 water tanks;
the base 2 is fixedly arranged at the bottom of the crucible in a sealing way and comprises a base plate 20 which is provided with n through holes, is fixedly connected with the connecting ring in a corresponding way, water guide pipes 21 which are fixedly arranged on the base plate in a one-to-one correspondence with the through holes and can be inserted into the water holes in a matching way and keep a space with the water holes, and communicating pipes 22 which are formed at the bottom of the base plate, wherein n/2-1 communicating pipes are used for communicating the water guide pipes corresponding to the two groups of water holes, namely, the individual water guide pipes in the two groups of water holes are communicated through the communicating pipes to realize the integral flow path design, and the rest two water guide pipes are respectively connected with the water inlet pipe and the water outlet pipe;
the water tank can be directly processed on the bottom surface of the crucible, and can also be correspondingly processed on the upper surface of the base, the water tanks are not directly communicated with each other, the communicating parts are not directly communicated with each other, and the water hole, the water tank, the water guide pipe and the communicating pipe form an integral one-way channel.
As one specific embodiment, the communicating pipe is integrally formed with the two corresponding conductive water guide pipes. That is, the U-shaped structure is adopted, the communicating pipe and the water guide pipe can be provided with different diameters to achieve the installation and positioning effects, the two water guide pipes are directly integrally manufactured, the connecting welding seam is reduced, the integral water guide pipe can be directly provided with interference fit and other modes, welding is integrally reduced, and the use safety is further improved. Meanwhile, in order to avoid the exposure of the communicating pipe, a positioning groove which embeds the communicating pipe therein is formed on the lower surface of the base. Namely, the U-shaped structure is adopted, the two water guide pipes are directly and integrally manufactured, the connecting welding seam is reduced, the use safety is further improved, and the water leakage risk caused by electron beam breakdown is avoided.
Meanwhile, the water inlet pipe and the water outlet pipe are correspondingly arranged at the positions of the remaining two water guide pipes of the base, are fixedly connected through flanges respectively and are communicated with the corresponding water guide pipes. The water inlet pipe and the water outlet pipe can be integrally formed with the corresponding water guide pipe or can be designed in a split mode.
The invention discards the vacuum brazing structure, has no welding line in the crucible body, avoids the potential safety hazard of water leakage, improves the reliability of equipment, reduces the processing cost, can ensure the processing precision by forming the circulating water channel in a mode of punching the water hole and embedding the water guide pipe, and can flexibly adjust the cooling area of the water channel by adjusting the aperture and the water hole position, so that the cooling area is increased, and the requirements of different heat loads are met.
Wherein, for satisfying radiating effect and installation effect, the water hole along the axial parallel arrangement of crucible and in the crucible close up, water hole 11 including setting up the short water hole of material pond bottom and setting up the long water hole in the material pond week side respectively, inlet tube and outlet pipe even short water hole correspond the intercommunication, water hole and the wall thickness of material pond at 5-10mm. Because the crucible is preferably copper, the crucible has good heat conduction performance, the cooling effect depends on the heat exchange area and the water flow, the densely distributed water holes can form a larger heat exchange area, the distance between the water holes and the material pool, namely, the wall thickness is smaller, the heat can be rapidly led out, the design requirement can be effectively met, and the cooling performance is ensured.
The water flow cross section area in the water guide pipe is the same as the water flow cross section area between the water guide pipe and the water hole in order to ensure the smoothness of the water flow channel. For example, the inner diameter of the water guide pipe is 10-16mm, and the distance between the outer wall of the water guide pipe and the water hole is 3-5mm. The matched size configuration is adopted, so that the complete and smooth water flow channel is ensured, dead zones can be effectively avoided, and local evaporation is avoided.
In order to improve the practicability of the device, the device further comprises a temperature measuring mechanism, wherein an axially extending measuring hole is formed in the bottom of the material pool and/or the periphery of the material pool of the crucible, a through hole is correspondingly formed in the base, and the temperature measuring mechanism passes through the through hole in a matched mode and is inserted into the measuring hole. The inner open hole type installation positioning temperature measuring mechanism is adopted, such as a temperature thermocouple, is simple to install, can realize multipoint simultaneous temperature measurement, and meanwhile, the crucible body is ensured to be free of welding seams, so that the use safety is improved.
Meanwhile, the invention discloses a vacuum electron beam smelting device which comprises a vacuum chamber and the sleeve water channel type water-cooled crucible. The sleeve water channel type water-cooled crucible can be directly placed in the vacuum chamber and can be used as a carrier alone or as a part of the vacuum chamber, namely, the vacuum chamber is provided with a mounting hole, and the sleeve water channel type water-cooled crucible is fixedly arranged at the mounting hole through a base.
The water-cooled crucible is combined with the heat source and the vacuum container, is used for the process technology of vacuum metal smelting and purifying, and improves the safety and reliability. Particularly, the installation type mechanism is used for arranging the water inlet and outlet pipe outside the vacuum chamber, the inside of the vacuum chamber is free of welding lines and machining surfaces, and even if water leaks, the water can flow out of the vacuum chamber, so that the safety performance is ensured.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. A sleeve water channel type water-cooled crucible is characterized by comprising,
the top of the crucible is provided with a material pool, n water holes are distributed at the bottom of the crucible, the water holes are in groups, and are communicated by a water tank, wherein n is an even number;
the bottom of the crucible is fixedly provided with a bottom plate with n through holes, water guide pipes which are fixedly arranged on the bottom plate in a one-to-one correspondence manner and can be inserted into the water holes in a matching manner and keep a gap with the water holes, and communicating pipes which are arranged at the bottom of the bottom plate, wherein the number of the communicating pipes is n/2-1 and are used for communicating the corresponding water guide pipes between two groups of water holes, and the rest two water guide pipes are respectively connected with a water inlet pipe and a water outlet pipe;
the water tank is not directly communicated with each other, the communicating pipe is not directly communicated with each other, the water hole, the water tank, the water guide pipe and the communicating pipe form an integral one-way channel, the water hole comprises a short water hole arranged at the bottom of the material tank and a long water hole respectively arranged at the periphery of the material tank, the wall thickness of the water hole and the wall thickness of the material tank are 5-10mm, the inner diameter of the water guide pipe is 10-16mm, the water flow cross section area in the water guide pipe and the water flow cross section area between the water guide pipe and the water hole are the same, the distance between the outer wall of the water guide pipe and the water hole is 3-5mm, and the water tank is formed on the lower surface of the crucible or the upper surface of the base and is sealed by the base or the crucible to form the water flow channel.
2. A sleeve flume-type water-cooled crucible as defined in claim 1 wherein said manifold is integrally formed with two corresponding conductive water conduits.
3. The bushing waterway type water-cooled crucible of claim 1, wherein a positioning groove is formed on a lower surface of the base to embed the communicating tube therein.
4. A sleeve flume-type water-cooled crucible as defined in claim 1, wherein said water holes are disposed in parallel along the axial direction of the crucible.
5. The sleeve flume-type water-cooled crucible as recited in claim 1, further comprising a temperature measuring mechanism, wherein an axially extending measuring hole is provided at the bottom of the material pool and/or the circumferential side of the material pool of the crucible, and a through hole is provided on the base correspondingly, and the temperature measuring mechanism is inserted into the measuring hole through the through hole in a matching manner.
6. The jacketed water channel type water cooled crucible of claim 1, wherein the crucible is copper, the base is stainless steel, and a sealing plate is provided between the crucible and the base.
7. A vacuum electron beam melting apparatus comprising a vacuum chamber and a jacketed water cooled crucible as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693256.9A CN107328234B (en) | 2017-08-14 | 2017-08-14 | Sleeve water channel type water-cooled crucible and vacuum electron beam smelting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693256.9A CN107328234B (en) | 2017-08-14 | 2017-08-14 | Sleeve water channel type water-cooled crucible and vacuum electron beam smelting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107328234A CN107328234A (en) | 2017-11-07 |
| CN107328234B true CN107328234B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710693256.9A Active CN107328234B (en) | 2017-08-14 | 2017-08-14 | Sleeve water channel type water-cooled crucible and vacuum electron beam smelting device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05112864A (en) * | 1991-10-18 | 1993-05-07 | Stanley Electric Co Ltd | Water-cooled crucible for vacuum deposition |
| CN201532112U (en) * | 2009-03-11 | 2010-07-21 | 贵州贵航能发装备制造有限公司 | Single-waterway assembled cold crucible used for induction smelting |
| CN202048784U (en) * | 2010-12-22 | 2011-11-23 | 李碚 | Vacuum levitation melting used cold crucible with single-layer cooling pipelines |
| CN202329111U (en) * | 2011-12-03 | 2012-07-11 | 西北有色金属研究院 | Water-cooling copper crucible used for magnetic levitation smelting |
| CN105091584A (en) * | 2015-09-21 | 2015-11-25 | 核工业理化工程研究院 | Water cooling crucible for electron-beam melting furnace |
| CN105296774A (en) * | 2015-10-21 | 2016-02-03 | 西安奥邦科技有限责任公司 | Electromagnetic induction vacuum device for titanium-based alloy smelting and mix-melting |
| CN106839762A (en) * | 2016-12-23 | 2017-06-13 | 李蔚晶 | The Cold crucible induction melting method of superelevation smelting temperature |
| CN207379275U (en) * | 2017-08-14 | 2018-05-18 | 核工业理化工程研究院 | Casing water channel type cold-crucible and vacuum electron beam smelting apparatus |
-
2017
- 2017-08-14 CN CN201710693256.9A patent/CN107328234B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05112864A (en) * | 1991-10-18 | 1993-05-07 | Stanley Electric Co Ltd | Water-cooled crucible for vacuum deposition |
| CN201532112U (en) * | 2009-03-11 | 2010-07-21 | 贵州贵航能发装备制造有限公司 | Single-waterway assembled cold crucible used for induction smelting |
| CN202048784U (en) * | 2010-12-22 | 2011-11-23 | 李碚 | Vacuum levitation melting used cold crucible with single-layer cooling pipelines |
| CN202329111U (en) * | 2011-12-03 | 2012-07-11 | 西北有色金属研究院 | Water-cooling copper crucible used for magnetic levitation smelting |
| CN105091584A (en) * | 2015-09-21 | 2015-11-25 | 核工业理化工程研究院 | Water cooling crucible for electron-beam melting furnace |
| CN105296774A (en) * | 2015-10-21 | 2016-02-03 | 西安奥邦科技有限责任公司 | Electromagnetic induction vacuum device for titanium-based alloy smelting and mix-melting |
| CN106839762A (en) * | 2016-12-23 | 2017-06-13 | 李蔚晶 | The Cold crucible induction melting method of superelevation smelting temperature |
| CN207379275U (en) * | 2017-08-14 | 2018-05-18 | 核工业理化工程研究院 | Casing water channel type cold-crucible and vacuum electron beam smelting apparatus |
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| CN107328234A (en) | 2017-11-07 |
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