DE2104499A1 - Steuerung und/oder Überwachung von Prozessen in Abhängigkeit vom Dampfdruck, insbesondere bei der Gefriertrocknung - Google Patents
Steuerung und/oder Überwachung von Prozessen in Abhängigkeit vom Dampfdruck, insbesondere bei der GefriertrocknungInfo
- Publication number
- DE2104499A1 DE2104499A1 DE19712104499 DE2104499A DE2104499A1 DE 2104499 A1 DE2104499 A1 DE 2104499A1 DE 19712104499 DE19712104499 DE 19712104499 DE 2104499 A DE2104499 A DE 2104499A DE 2104499 A1 DE2104499 A1 DE 2104499A1
- Authority
- DE
- Germany
- Prior art keywords
- light
- light source
- mirror
- receiver
- reflection
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 20
- 238000012544 monitoring process Methods 0.000 title claims description 9
- 238000004108 freeze drying Methods 0.000 title claims description 8
- 230000005855 radiation Effects 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000002904 solvent Substances 0.000 description 3
- 230000006399 behavior Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2066—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using controlling means acting on the pressure source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
- G01N25/66—Investigating or analyzing materials by the use of thermal means by investigating moisture content by investigating dew-point
- G01N25/68—Investigating or analyzing materials by the use of thermal means by investigating moisture content by investigating dew-point by varying the temperature of a condensing surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Molecular Biology (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Drying Of Solid Materials (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712104499 DE2104499A1 (de) | 1971-02-01 | 1971-02-01 | Steuerung und/oder Überwachung von Prozessen in Abhängigkeit vom Dampfdruck, insbesondere bei der Gefriertrocknung |
| CH1514071A CH531748A (de) | 1971-02-01 | 1971-10-18 | Verfahren und Vorrichtung zur Steuerung von Prozessen in Abhängigkeit vom Dampfdruck, insbesondere für die Durchführung der Gefriertrocknung |
| NL7116279A NL7116279A (enExample) | 1971-02-01 | 1971-11-26 | |
| FR7201824A FR2124779A5 (enExample) | 1971-02-01 | 1972-01-18 | |
| BE778455A BE778455A (fr) | 1971-02-01 | 1972-01-25 | Commande et/ou surveillance de processus en fonction de la pression de vapeur, notamment en cryodessiccation |
| US00222638A US3812596A (en) | 1971-02-01 | 1972-02-01 | Control and monitoring of processes in dependence on the vapor pressure |
| GB476972A GB1375947A (en) | 1971-02-01 | 1972-02-01 | Control of freeze-drying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712104499 DE2104499A1 (de) | 1971-02-01 | 1971-02-01 | Steuerung und/oder Überwachung von Prozessen in Abhängigkeit vom Dampfdruck, insbesondere bei der Gefriertrocknung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2104499A1 true DE2104499A1 (de) | 1972-08-10 |
Family
ID=5797455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712104499 Pending DE2104499A1 (de) | 1971-02-01 | 1971-02-01 | Steuerung und/oder Überwachung von Prozessen in Abhängigkeit vom Dampfdruck, insbesondere bei der Gefriertrocknung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3812596A (enExample) |
| BE (1) | BE778455A (enExample) |
| CH (1) | CH531748A (enExample) |
| DE (1) | DE2104499A1 (enExample) |
| FR (1) | FR2124779A5 (enExample) |
| GB (1) | GB1375947A (enExample) |
| NL (1) | NL7116279A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0205196A3 (en) * | 1985-06-10 | 1987-10-07 | Shell Internationale Research Maatschappij B.V. | An apparatus for detecting condensable components in a gan apparatus for detecting condensable components in a gas stream as stream |
| DE19719398A1 (de) * | 1997-05-07 | 1998-11-12 | Amsco Finn Aqua Gmbh | Verfahren zur Steuerung eines Gefriertrocknungsprozesses |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299867A (en) * | 1992-06-30 | 1994-04-05 | Buck Arden L | Low moisture cryogenic hygrometer |
| US6390668B1 (en) * | 1998-12-11 | 2002-05-21 | Peter Albert Materna | Blackbody source using a heat pipe principle and transition region |
| SE0001453D0 (sv) * | 2000-04-19 | 2000-04-19 | Astrazeneca Ab | Method of monitoring a freeze drying process |
| ES2399140T3 (es) * | 2006-04-10 | 2013-03-26 | F. Hoffmann-La Roche Ag | Aparato para monitorizar el proceso de liofilización |
| US20180120026A1 (en) * | 2016-11-01 | 2018-05-03 | Steven Finley | Methods for measuring pressure in freeze drying systems |
| CN109490366B (zh) * | 2018-10-31 | 2021-05-11 | 北京建筑大学 | 一种可视化脉动热管实验系统及实验方法 |
| CN115144429B (zh) * | 2022-09-01 | 2022-11-11 | 中国有色金属工业昆明勘察设计研究院有限公司 | 一种深部饱和松软尾矿原状样冻胀试验系统及方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1698905A (en) * | 1923-11-12 | 1929-01-15 | John T Beechlyn | Apparatus for projecting light |
| US3166928A (en) * | 1961-06-28 | 1965-01-26 | Justin M Jackson | Electrical automatic dew point hygrometer |
| US3252319A (en) * | 1964-01-06 | 1966-05-24 | Ind Instr Inc | Dew point device with proportional control circuit |
| US3483389A (en) * | 1968-01-23 | 1969-12-09 | Dynamics Res Corp | Electro-optical encoder having fiber optic coupling |
-
1971
- 1971-02-01 DE DE19712104499 patent/DE2104499A1/de active Pending
- 1971-10-18 CH CH1514071A patent/CH531748A/de not_active IP Right Cessation
- 1971-11-26 NL NL7116279A patent/NL7116279A/xx unknown
-
1972
- 1972-01-18 FR FR7201824A patent/FR2124779A5/fr not_active Expired
- 1972-01-25 BE BE778455A patent/BE778455A/xx unknown
- 1972-02-01 GB GB476972A patent/GB1375947A/en not_active Expired
- 1972-02-01 US US00222638A patent/US3812596A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0205196A3 (en) * | 1985-06-10 | 1987-10-07 | Shell Internationale Research Maatschappij B.V. | An apparatus for detecting condensable components in a gan apparatus for detecting condensable components in a gas stream as stream |
| US4799235A (en) * | 1985-06-10 | 1989-01-17 | Shell Oil Company | Apparatus for measuring dew-point of a gas stream with light scattering |
| DE19719398A1 (de) * | 1997-05-07 | 1998-11-12 | Amsco Finn Aqua Gmbh | Verfahren zur Steuerung eines Gefriertrocknungsprozesses |
Also Published As
| Publication number | Publication date |
|---|---|
| BE778455A (fr) | 1972-02-15 |
| FR2124779A5 (enExample) | 1972-09-22 |
| CH531748A (de) | 1972-12-15 |
| US3812596A (en) | 1974-05-28 |
| GB1375947A (en) | 1974-12-04 |
| NL7116279A (enExample) | 1972-08-03 |
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