LV15775A - Chamber of lysophilization apparatus equipped with physical screens - Google Patents

Chamber of lysophilization apparatus equipped with physical screens

Info

Publication number
LV15775A
LV15775A LVP-22-17A LVP2022000017A LV15775A LV 15775 A LV15775 A LV 15775A LV P2022000017 A LVP2022000017 A LV P2022000017A LV 15775 A LV15775 A LV 15775A
Authority
LV
Latvia
Prior art keywords
lyophilized
efficient
sublimation process
sublimation
lysophilization
Prior art date
Application number
LVP-22-17A
Other languages
Latvian (lv)
Inventor
Jānis BARONIŅŠ
Andrejs ŠIŠKINS
Astrīda RIJKURE
Aija RAUTMANE
Kristīne IRTIŠEVA
Guntis STRAUTMANIS
Kristīne CARJOVA
Original Assignee
Rīgas Tehniskā Universitāte
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rīgas Tehniskā Universitāte filed Critical Rīgas Tehniskā Universitāte
Priority to LVLVP2022000017A priority Critical patent/LV15775B/en
Publication of LV15775A publication Critical patent/LV15775A/en
Publication of LV15775B publication Critical patent/LV15775B/en

Links

Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/18—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
    • F26B3/20—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source being a heated surface, e.g. a moving belt or conveyor

Abstract

The invention relates to the construction and operating principles of a working chamber of a lyophilization apparatus. The invention is mainly applicable to the production of lyophilized food, biological and pharmaceutical products without or with regularly shaped surface morphology during the sublimation process. The invention provides a more efficient and uniform implementation of the sublimation process of water or other sublimable solids (such as naphthalene, iodine and carbon dioxide) from objects to be lyophilized with any geometric shape and composition and structure affecting the sublimation process.The tips of the rods of the pins inserted in the physical screen of the present invention can be lowered to the top surface of the object to be lyophilized, providing more efficient freezing of the object to be lyophilized or a more efficient supply of heat energy for sublimation. This technique is also effective when most of the upper surfaces of the lyophilized object is not parallel to the surface of the physical screen.
LVLVP2022000017A 2022-03-01 2022-03-01 Chamber of lysophilization apparatus equipped with physical screens LV15775B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
LVLVP2022000017A LV15775B (en) 2022-03-01 2022-03-01 Chamber of lysophilization apparatus equipped with physical screens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LVLVP2022000017A LV15775B (en) 2022-03-01 2022-03-01 Chamber of lysophilization apparatus equipped with physical screens

Publications (2)

Publication Number Publication Date
LV15775A true LV15775A (en) 2023-09-20
LV15775B LV15775B (en) 2024-04-20

Family

ID=81653556

Family Applications (1)

Application Number Title Priority Date Filing Date
LVLVP2022000017A LV15775B (en) 2022-03-01 2022-03-01 Chamber of lysophilization apparatus equipped with physical screens

Country Status (1)

Country Link
LV (1) LV15775B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930139A (en) * 1956-09-11 1960-03-29 Brynko Carl Vacuum drying
US3304617A (en) * 1965-10-20 1967-02-21 Cryodry Corp Method and apparatus for freeze-drying foods
US3446635A (en) * 1965-08-10 1969-05-27 Univ Illinois Method and apparatus for freeze-dehydration of sliced food materials
US3482326A (en) * 1967-05-19 1969-12-09 Marshall L Brewster Freeze drying process
GB1242380A (en) * 1969-07-23 1971-08-11 Leybold Heraeus Verwaltung Improvements in freeze-drying
CN214009720U (en) * 2020-10-18 2021-08-20 上海乔枫实业有限公司 Vacuum freeze dryer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930139A (en) * 1956-09-11 1960-03-29 Brynko Carl Vacuum drying
US3446635A (en) * 1965-08-10 1969-05-27 Univ Illinois Method and apparatus for freeze-dehydration of sliced food materials
US3304617A (en) * 1965-10-20 1967-02-21 Cryodry Corp Method and apparatus for freeze-drying foods
US3482326A (en) * 1967-05-19 1969-12-09 Marshall L Brewster Freeze drying process
GB1242380A (en) * 1969-07-23 1971-08-11 Leybold Heraeus Verwaltung Improvements in freeze-drying
CN214009720U (en) * 2020-10-18 2021-08-20 上海乔枫实业有限公司 Vacuum freeze dryer

Also Published As

Publication number Publication date
LV15775B (en) 2024-04-20

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