EP4063774A3 - Freeze-drying plant - Google Patents

Freeze-drying plant Download PDF

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Publication number
EP4063774A3
EP4063774A3 EP21211699.0A EP21211699A EP4063774A3 EP 4063774 A3 EP4063774 A3 EP 4063774A3 EP 21211699 A EP21211699 A EP 21211699A EP 4063774 A3 EP4063774 A3 EP 4063774A3
Authority
EP
European Patent Office
Prior art keywords
fluid
products
freeze
liquid
drying
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.)
Granted
Application number
EP21211699.0A
Other languages
German (de)
French (fr)
Other versions
EP4063774B1 (en
EP4063774A2 (en
EP4063774C0 (en
Inventor
Torsten PÄCHNATZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP4063774A2 publication Critical patent/EP4063774A2/en
Publication of EP4063774A3 publication Critical patent/EP4063774A3/en
Application granted granted Critical
Publication of EP4063774B1 publication Critical patent/EP4063774B1/en
Publication of EP4063774C0 publication Critical patent/EP4063774C0/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08—Humidity
    • F26B21/086—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
    • 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
    • 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
    • F26B5/02—Drying solid materials or objects by processes not involving the application of heat by using ultrasonic vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • Microbiology (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

Gefriertrocknungsanlage (1) zum Trocknen von flüssigkeitshaltigen Produkten (10),- aufweisend eine Vakuumkammer (11), die zur Aufnahme der flüssigkeitshaltigen Produkte (10) ausgebildet ist,- wobei eine Aufnahmevorrichtung (12) mit wenigstens einer Aufnahmeplatte (13) vorgesehen ist, auf die die flüssigkeitshaltigen Produkte (10) aufgebbar sind,- und wobei ein Kühlsystem (14) mit einem Fluidkreislauf (15) eingerichtet ist, um mittels des im Fluidkreislauf (15) geführten Kühlfluids (16) die Produkte (10) zu kühlen und/oder zu heizen,wobei- die Aufnahmeplatte (13) wenigstens einen geschlossenen Fluidraum (17) aufweist, der an den Fluidkreislauf (15) angeschlossen ist und der mit dem Kühlfluid (16) durchströmbar ist, wobei- wenigstens ein Schallgenerator (18) zur Einschallung von Ultraschall in die Produkte (10) während einer Trocknungsphase vorgesehen ist, wobei der Schallgenerator (18) im Fluidraum (17) eingerichtet und mit Kühlfluid (16) umströmbar ist.Freeze-drying system (1) for drying liquid-containing products (10), - having a vacuum chamber (11) which is designed to hold the liquid-containing products (10), - wherein a receiving device (12) with at least one receiving plate (13) is provided, onto which the liquid-containing products (10) can be applied,- and wherein a cooling system (14) is set up with a fluid circuit (15) in order to cool the products (10) by means of the cooling fluid (16) conducted in the fluid circuit (15) and/ or to heat, wherein- the receiving plate (13) has at least one closed fluid space (17) which is connected to the fluid circuit (15) and through which the cooling fluid (16) can flow, wherein- at least one sound generator (18) for sound irradiation of ultrasound into the products (10) during a drying phase, wherein the sound generator (18) is set up in the fluid space (17) and cooling fluid (16) can flow around it.

EP21211699.0A 2021-03-24 2021-12-01 Freeze-drying plant Active EP4063774B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202021101537.3U DE202021101537U1 (en) 2021-03-24 2021-03-24 Freeze dryer

Publications (4)

Publication Number Publication Date
EP4063774A2 EP4063774A2 (en) 2022-09-28
EP4063774A3 true EP4063774A3 (en) 2022-10-26
EP4063774B1 EP4063774B1 (en) 2024-04-10
EP4063774C0 EP4063774C0 (en) 2024-04-10

Family

ID=76206711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21211699.0A Active EP4063774B1 (en) 2021-03-24 2021-12-01 Freeze-drying plant

Country Status (4)

Country Link
US (1) US20220307767A1 (en)
EP (1) EP4063774B1 (en)
CN (1) CN115127308A (en)
DE (1) DE202021101537U1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2537850A1 (en) * 1975-08-26 1977-03-10 Rautenbach Robert PROCESS FOR DRYING BAG GUARDS IN A FREEZE DRYER
CN101126593A (en) * 2006-08-18 2008-02-20 发泰（天津）科技有限公司 Supersonic freeze drying method and apparatus
CN203385265U (en) * 2013-05-29 2014-01-08 廊坊弘祥隆生物技术有限公司 Ultrasonic low temperature drying unit
CN104677066A (en) * 2015-03-10 2015-06-03 中国科学院过程工程研究所 Vacuum pulsation ultrasonic drying equipment
DE102018105395A1 (en) * 2018-03-08 2019-09-12 Griese Patente Gmbh Infrasonic ultrasonic pump for freeze drying

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103968649B (en) * 2014-05-13 2015-12-02 上海理工大学 A kind of freeze-drying method and corollary equipment
EP3093597B1 (en) * 2015-05-11 2017-12-27 Martin Christ Gefriertrocknungsanlagen GmbH Freeze drying plant
CN111971519A (en) * 2018-04-05 2020-11-20 托尔斯滕·帕奇纳茨 Freeze drying system and method for freeze drying system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2537850A1 (en) * 1975-08-26 1977-03-10 Rautenbach Robert PROCESS FOR DRYING BAG GUARDS IN A FREEZE DRYER
CN101126593A (en) * 2006-08-18 2008-02-20 发泰（天津）科技有限公司 Supersonic freeze drying method and apparatus
CN203385265U (en) * 2013-05-29 2014-01-08 廊坊弘祥隆生物技术有限公司 Ultrasonic low temperature drying unit
CN104677066A (en) * 2015-03-10 2015-06-03 中国科学院过程工程研究所 Vacuum pulsation ultrasonic drying equipment
DE102018105395A1 (en) * 2018-03-08 2019-09-12 Griese Patente Gmbh Infrasonic ultrasonic pump for freeze drying

Also Published As

Publication number Publication date
EP4063774B1 (en) 2024-04-10
EP4063774A2 (en) 2022-09-28
DE202021101537U1 (en) 2021-05-18
CN115127308A (en) 2022-09-30
EP4063774C0 (en) 2024-04-10
US20220307767A1 (en) 2022-09-29

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