CA1082129A - Electrodynamic degassing - Google Patents
Electrodynamic degassingInfo
- Publication number
- CA1082129A CA1082129A CA270,293A CA270293A CA1082129A CA 1082129 A CA1082129 A CA 1082129A CA 270293 A CA270293 A CA 270293A CA 1082129 A CA1082129 A CA 1082129A
- Authority
- CA
- Canada
- Prior art keywords
- particulate material
- set forth
- electric field
- vacuum chamber
- charged
- 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.)
- Expired
Links
- 238000007872 degassing Methods 0.000 title claims description 28
- 230000005520 electrodynamics Effects 0.000 title 1
- 239000000843 powder Substances 0.000 claims abstract description 128
- 239000011236 particulate material Substances 0.000 claims abstract description 89
- 239000000356 contaminant Substances 0.000 claims abstract description 78
- 230000005684 electric field Effects 0.000 claims abstract description 69
- 239000002184 metal Substances 0.000 claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims 2
- -1 such as Substances 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 86
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 43
- 239000002245 particle Substances 0.000 description 28
- 125000004429 atom Chemical group 0.000 description 25
- 150000002500 ions Chemical class 0.000 description 22
- 229910052786 argon Inorganic materials 0.000 description 20
- 239000011521 glass Substances 0.000 description 19
- 238000001513 hot isostatic pressing Methods 0.000 description 10
- 239000007787 solid Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 210000002445 nipple Anatomy 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910000601 superalloy Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000009428 plumbing Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 241001663154 Electron Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- WABPQHHGFIMREM-NOHWODKXSA-N lead-200 Chemical compound [200Pb] WABPQHHGFIMREM-NOHWODKXSA-N 0.000 description 1
- WABPQHHGFIMREM-FTXFMUIASA-N lead-202 Chemical compound [202Pb] WABPQHHGFIMREM-FTXFMUIASA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/02—Separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C9/00—Electrostatic separation not provided for in any single one of the other main groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
- Electrostatic Separation (AREA)
- Powder Metallurgy (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US655,088 | 1976-02-04 | ||
| US05/655,088 US4056368A (en) | 1976-02-04 | 1976-02-04 | Method and apparatus for degassing gas contaminated particulate material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1082129A true CA1082129A (en) | 1980-07-22 |
Family
ID=24627455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA270,293A Expired CA1082129A (en) | 1976-02-04 | 1977-01-24 | Electrodynamic degassing |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4056368A (index.php) |
| JP (1) | JPS5950721B2 (index.php) |
| BE (1) | BE851018A (index.php) |
| BR (1) | BR7700680A (index.php) |
| CA (1) | CA1082129A (index.php) |
| CH (1) | CH618367A5 (index.php) |
| DE (1) | DE2704187C3 (index.php) |
| FR (1) | FR2340134A1 (index.php) |
| GB (1) | GB1577639A (index.php) |
| IT (1) | IT1079463B (index.php) |
| MX (1) | MX144091A (index.php) |
| SE (1) | SE433180B (index.php) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348212A (en) * | 1981-05-28 | 1982-09-07 | Kelsey-Hayes Company | Method and apparatus for cyclic degassing particulate material |
| US4406671A (en) * | 1981-11-16 | 1983-09-27 | Kelsey-Hayes Company | Assembly and method for electrically degassing particulate material |
| US4391614A (en) * | 1981-11-16 | 1983-07-05 | Kelsey-Hayes Company | Method and apparatus for preventing lubricant flow from a vacuum source to a vacuum chamber |
| US4388088A (en) * | 1981-11-16 | 1983-06-14 | Kelsey-Hayes Company | Vacuum chamber assembly for degassing particulate material |
| US5024740A (en) * | 1987-11-27 | 1991-06-18 | Birken Stephen M | Mineral refinement by high RF energy application |
| US4894134A (en) * | 1987-11-27 | 1990-01-16 | Birken Stephen M | Mineral refinement by high RF energy application |
| US5278384A (en) * | 1992-12-03 | 1994-01-11 | Plasmacarb Inc. | Apparatus and process for the treatment of powder particles for modifying the surface properties of the individual particles |
| US5784682A (en) * | 1996-02-16 | 1998-07-21 | Birken; Stephen M. | System for separating constituents from a base material |
| US5849244A (en) * | 1996-04-04 | 1998-12-15 | Crucible Materials Corporation | Method for vacuum loading |
| US6323451B1 (en) | 1999-08-26 | 2001-11-27 | University Of Kentucky Research Foundation | Particle separation system using parallel multistage electrostatic separators |
| RU2477669C1 (ru) * | 2011-10-21 | 2013-03-20 | Открытое акционерное общество "Всероссийский институт легких сплавов" (ОАО "ВИЛС") | Способ вакуумной термической дегазации гранул жаропрочных сплавов в подвижном слое |
| US11091283B2 (en) * | 2018-05-01 | 2021-08-17 | David Nowaczyk | Apparatus and method for flushing a residual gas from a flow of granular product |
| RU2699424C1 (ru) * | 2018-11-07 | 2019-09-05 | Андрей Валерьевич Шеленин | Устройство для вакуумирования порошка графита для синтеза алмазов |
| CN112973299B (zh) * | 2021-03-31 | 2022-08-26 | 江西有源工业废物回收处理有限公司 | 一种真空管线中的废气处理设备 |
| US20240253125A1 (en) * | 2023-01-31 | 2024-08-01 | Lawrence Livermore National Security, Llc | Electrostatic powder remover for powder bed fusion additive manufacturing |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1871226A (en) * | 1929-07-05 | 1932-08-09 | Skala Res Lab Inc | Method of separating and purifying gases |
| US2216254A (en) * | 1937-04-15 | 1940-10-01 | Jr Edmund O Schweitzer | Electric field device for separating particles of material |
| US3117080A (en) * | 1960-11-03 | 1964-01-07 | Hoechst Ag | Metal-separating device |
| FR1303631A (fr) * | 1961-08-04 | 1962-09-14 | Perfectionnements apportés au traitement physique ou chimique de matériaux en poudre fine à granulométrie contrôlée | |
| US3263808A (en) * | 1962-06-11 | 1966-08-02 | Jerome A Schwartz | Method for the separation of particles of different sizes and densities |
| US3598566A (en) * | 1967-04-26 | 1971-08-10 | Inoue K | Powder activation |
| US3493109A (en) * | 1967-08-04 | 1970-02-03 | Consiglio Nazionale Ricerche | Process and apparatus for electrostatically separating ores with charging of the particles by triboelectricity |
| US3932760A (en) * | 1967-12-22 | 1976-01-13 | Inoue K | Powder activation in an inert atmosphere |
| US3738828A (en) * | 1970-07-31 | 1973-06-12 | K Inoue | Method of powder activation |
| JPS5645962B2 (index.php) * | 1974-11-30 | 1981-10-30 | ||
| JPS519191A (en) * | 1974-07-15 | 1976-01-24 | Dainippon Ink & Chemicals | Netsukokaseijushino seizoho |
| JPS55442B2 (index.php) * | 1974-09-10 | 1980-01-08 | ||
| FR2289280A1 (fr) * | 1974-10-22 | 1976-05-28 | Inoue Japax Res | Procede d'activation d'une poudre metallique et dispositif pour mettre en oeuvre ce procede |
-
1976
- 1976-02-04 US US05/655,088 patent/US4056368A/en not_active Expired - Lifetime
-
1977
- 1977-01-24 CA CA270,293A patent/CA1082129A/en not_active Expired
- 1977-01-31 IT IT47860/77A patent/IT1079463B/it active
- 1977-02-02 DE DE2704187A patent/DE2704187C3/de not_active Expired
- 1977-02-02 SE SE7701108A patent/SE433180B/xx not_active IP Right Cessation
- 1977-02-02 CH CH124777A patent/CH618367A5/de not_active IP Right Cessation
- 1977-02-02 BE BE174603A patent/BE851018A/xx not_active IP Right Cessation
- 1977-02-02 GB GB4218/77A patent/GB1577639A/en not_active Expired
- 1977-02-03 MX MX167926A patent/MX144091A/es unknown
- 1977-02-03 BR BR7700680A patent/BR7700680A/pt unknown
- 1977-02-03 FR FR7703048A patent/FR2340134A1/fr active Granted
- 1977-02-04 JP JP52011517A patent/JPS5950721B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1577639A (en) | 1980-10-29 |
| BR7700680A (pt) | 1977-10-11 |
| SE7701108L (sv) | 1977-08-05 |
| US4056368A (en) | 1977-11-01 |
| DE2704187B2 (de) | 1980-06-12 |
| FR2340134B1 (index.php) | 1983-09-30 |
| MX144091A (es) | 1981-08-26 |
| BE851018A (fr) | 1977-08-02 |
| CH618367A5 (index.php) | 1980-07-31 |
| JPS5950721B2 (ja) | 1984-12-10 |
| JPS52116766A (en) | 1977-09-30 |
| IT1079463B (it) | 1985-05-13 |
| DE2704187C3 (de) | 1981-02-12 |
| FR2340134A1 (fr) | 1977-09-02 |
| DE2704187A1 (de) | 1977-08-11 |
| SE433180B (sv) | 1984-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |