WO2008057001A1 - Dispositif de déshydratation à basse température de matériaux sous vide - Google Patents

Dispositif de déshydratation à basse température de matériaux sous vide Download PDF

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Publication number
WO2008057001A1
WO2008057001A1 PCT/RU2006/000578 RU2006000578W WO2008057001A1 WO 2008057001 A1 WO2008057001 A1 WO 2008057001A1 RU 2006000578 W RU2006000578 W RU 2006000578W WO 2008057001 A1 WO2008057001 A1 WO 2008057001A1
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum
heat exchanger
heat
pump
process chamber
Prior art date
Application number
PCT/RU2006/000578
Other languages
English (en)
Russian (ru)
Inventor
Lev Kuzmich Kovalev
Natalya Lvovna Kovaleva
Original Assignee
Lev Kuzmich Kovalev
Natalya Lvovna Kovaleva
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 Lev Kuzmich Kovalev, Natalya Lvovna Kovaleva filed Critical Lev Kuzmich Kovalev
Priority to PCT/RU2006/000578 priority Critical patent/WO2008057001A1/fr
Publication of WO2008057001A1 publication Critical patent/WO2008057001A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/001—Heating arrangements using waste heat
    • F26B23/002—Heating arrangements using waste heat recovered from dryer exhaust gases
    • F26B23/005—Heating arrangements using waste heat recovered from dryer exhaust gases using a closed cycle heat pump system ; using a heat pipe system
    • 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
    • F26B5/041—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 for drying flowable materials, e.g. suspensions, bulk goods, in a continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the invention relates mainly to the field of agriculture, in particular to technological processes of dehydration and drying of materials in a vacuum, including processes for processing substances and materials, in devices for low-temperature dehydration of materials in a vacuum for the disposal of waste from poultry and pig farms, plants producing alcohol and beer, as well as in the food, medical, microbiological and other industries.
  • a device for low-temperature dehydration of organic substances in a vacuum, containing a vacuum chamber in which heat exchangers are arranged in tiers, arranged in the form of disks with blades located one above the other, between which hollow disks with tubular channels for a coolant are placed (patent RU Ne 2150058, class. F 26 B 5/06 of 01/19/1999).
  • the disadvantage of this device is the relatively low efficiency of the heat exchangers, due to the presence of significant heat losses and also the lack of heat recovery carried away by the vapor of evaporated moisture.
  • the closest technical solution for the combination of essential features is a device for low-temperature dehydration of materials in vacuum, containing a vacuum process chamber with process heat exchangers for heating the source material, nodes for loading the source material into the process chamber and unloading the dry product, a vacuum pump for pumping the process chamber, inlet heat exchanger connected to the primary heat source, an output heat exchanger connected to the process chamber swarm condensate collection unit and a heat pump (patent RU Ns 2246079 tml. F 26 B 5/04 from 28.07.2003).
  • the disadvantage of this device is the relatively low efficiency and manufacturability of the process of dehydration of the original product, the lack of heat recovery carried away by vapor of evaporated moisture.
  • the device for low-temperature dehydration of materials in vacuum containing a vacuum process chamber with process heat exchangers for heating the source material, nodes for loading the source material into the vacuum process chamber and unloading the dry product, a vacuum pump for pumping the vacuum process chamber, inlet heat exchanger connected to the primary heat source, output heat exchanger connected to the vacuum process chamber, assembly for sat
  • the condensate head and the heat pump are equipped with a pre-heating unit for the source material connected to a container for the starting material and with a unit for loading the source material into the vacuum process chamber, while the pre-heating unit is also connected to the hot pipe of the outlet heat exchanger, and the heat pump evaporator is connected to the pipe the output node of the preheating and through the pump with the pipeline of the output heat exchanger, while the condenser of the heat pump is connected to the input heat exchanger, and the outlet pipelines of the heat pump condenser are made with the possibility of connecting them through valves with at least
  • figure 1 shows a structural diagram of a device for low-temperature dewatering of materials in vacuum.
  • Figure 2 is a General view of the process heat exchanger device low-temperature dehydration of materials in vacuum.
  • the device comprises a vacuum process chamber 1, inside which are placed the process heat exchangers 2 assembled into a bag with the processed source material 3.
  • a primary heat source 7 is connected to the vacuum process chamber 1 through the inlet heat exchanger 4 and pumps 5 and 6. As the primary source
  • SUBSTITUTE SHEET (RULE 26) heat 7 can be used boiler room, waste steam, hot water, or a heat pump.
  • the vacuum process chamber 1 through the steam line 8 is connected to the outlet heat exchanger 9, the hot pipe 10 of which is connected to the pre-heating unit of the source material 11, which is connected to the container 12 for the source material and to the site of loading 13 of the source material into the vacuum process chamber 1.
  • the pipe 14 of the outlet heat exchanger 9 is connected through the pump 15 to the evaporator of the heat pump 16, which is also connected to the pipe 17 of the preheating unit of the source material 10.
  • the condenser of the heat pump 16 is connected through valves 18 to the inlet heat exchanger 4, and the output pipes 19 of the condenser of the heat pump through valves 20 can be connected to supply heat to other devices for low-temperature dewatering of materials in vacuum.
  • the device also contains a unit for unloading the dried final product
  • a condensate collection unit consisting of tanks 22 and 23, which through valves 24 and 25 are connected in parallel to the outlet heat exchanger 9, through valves 26 and 27 to the vacuum pump 28, and through valves 29 to the pump 30 to drain condensate.
  • Packages of technological heat exchangers are placed in the vacuum process chamber, each of which is made in the form of flat tubular elements ⁇ l with holes in the flanges 32 for supplying the coolant.
  • the source material 3 to be dehydrated is placed on the flat surfaces of the process heat exchangers 2. After the vacuum process chamber 1 is evacuated with a vacuum pump 28, the source material 3 is heated by the heat transfer medium passing through the inlet heat exchanger 4 from the primary heat source 7. The resulting water vapor through the steam line 8 enters the outlet heat exchanger 9. Condensate formed in the output heat exchanger 9 through valves 24, 25 alternately fills one of the sealed volumes 22 and 23, while ying collected condensate volume is connected with the atmosphere by means of valves 34 and pumped to the drain pump
  • SUBSTITUTE SHEET (RULE 26) 8 enters the outlet heat exchanger 9.
  • Condensate formed in the outlet heat exchanger 9 through valves 24, 25 alternately fills one of the sealed volumes 22 and 23, while the volume filled with the collected condensate is connected to the atmosphere using valves 34 and is pumped to drain by pump 30, while while the sealed volume not connected to the atmosphere through valves 26 or 27 is pumped out by the vacuum pump 28.
  • water from the outlet heat exchanger 9 through a pipe 10 enters the pre-heating unit of the source material 11 and then through a cold pipe 17 enters the evaporator of the heat pump 16.
  • the source material is supplied to the preheating unit 11, in which the source material is heated to an evaporation temperature corresponding to the pressure in the vacuum process chamber 1.
  • the source material 3 preheated in this way is fed by the charging device 13 on the surface of the process heat exchanger 2, and cooled in the unit 11 water enters through the pipe 17 to the input of the evaporator of the heat pump 16, and then using the pump 15 through the pipe 14 to the output heat exchanger 9.
  • hot water through pipelines 19 can be directed to the inlet heat exchangers of parallel working devices for low-temperature dewatering of materials in vacuum.
  • the first device works from the primary heat source 7, and the second from the heat pump 16.
  • the parameters of the heat pump are selected from the condition that the water in the heat pump condenser can be heated to a temperature of 80 to 90 0 C, the condensation temperature of the heat carrier in the heat pump is from 85 to 95 0 C and the boiling point of the coolant in the heat pump from 58 to 60 0 C.
  • SUBSTITUTE SHEET (RULE 26) carry out a continuous cycle of the dehydration process and thereby increase the efficiency and productivity of the dehydration process and reduce the energy intensity of the process.
  • the invention can be best used for the processing and disposal of waste from poultry and pig farms, plants of 5 producing alcohol, beer, as well as in the food, medical, microbiological and other industries.

Landscapes

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

Abstract

La présente invention concerne un dispositif de déshydratation à basse température de matériaux sous vide, lequel dispositif comprend une chambre de traitement à vide (1) équipée d'un échangeur thermique de traitement (2), des unités de chargement d'un matériau de départ (13) et de déchargement d'un produit final sec (21), un échangeur thermique d'entrée (4) et un échangeur thermique de sortie (9), une unité de collecte de condensat (22, 23) et une pompe à chaleur (16). Ce dispositif comprend également une unité (11) de préchauffage du matériau de départ qui est reliée au récipient (12) contenant le matériau de départ, à l'échangeur thermique de sortie (9) et à l'évaporateur de la pompe à chaleur (16), le condensateur de la pompe à chaleur étant relié à l'échangeur thermique d'entrée (4), les conduites de sortie (19) du condensateur de la pompe à chaleur pouvant être reliées, par l'intermédiaire de robinets (20), à au moins un autre dispositif de déshydratation à basse température sous vide.
PCT/RU2006/000578 2006-11-07 2006-11-07 Dispositif de déshydratation à basse température de matériaux sous vide WO2008057001A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/RU2006/000578 WO2008057001A1 (fr) 2006-11-07 2006-11-07 Dispositif de déshydratation à basse température de matériaux sous vide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2006/000578 WO2008057001A1 (fr) 2006-11-07 2006-11-07 Dispositif de déshydratation à basse température de matériaux sous vide

Publications (1)

Publication Number Publication Date
WO2008057001A1 true WO2008057001A1 (fr) 2008-05-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2006/000578 WO2008057001A1 (fr) 2006-11-07 2006-11-07 Dispositif de déshydratation à basse température de matériaux sous vide

Country Status (1)

Country Link
WO (1) WO2008057001A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108444274A (zh) * 2018-02-12 2018-08-24 中国农业科学院蜜蜂研究所 一种蜂花粉连续干燥装置及其干燥方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2119622C1 (ru) * 1996-06-14 1998-09-27 Научно-производственная фирма "Шабетник и компания" Вакуумная сублимационная установка для сушки биологических материалов
US20040250441A1 (en) * 2001-07-06 2004-12-16 Peter Haseley Chamber for a freeze-drying device
RU2246079C1 (ru) * 2003-07-28 2005-02-10 Общество с ограниченной ответственностью "Научно-экспертное общество "ЭЛЬТРОН" Способ низкотемпературного вакуумного обезвоживания материалов и устройство для его осуществления

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2119622C1 (ru) * 1996-06-14 1998-09-27 Научно-производственная фирма "Шабетник и компания" Вакуумная сублимационная установка для сушки биологических материалов
US20040250441A1 (en) * 2001-07-06 2004-12-16 Peter Haseley Chamber for a freeze-drying device
RU2246079C1 (ru) * 2003-07-28 2005-02-10 Общество с ограниченной ответственностью "Научно-экспертное общество "ЭЛЬТРОН" Способ низкотемпературного вакуумного обезвоживания материалов и устройство для его осуществления

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108444274A (zh) * 2018-02-12 2018-08-24 中国农业科学院蜜蜂研究所 一种蜂花粉连续干燥装置及其干燥方法

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