DE2802907A1 - Malt kiln air conditioning system - uses glass tube heat exchanger in series with evaporator of heat pump for heat recuperation - Google Patents

Malt kiln air conditioning system - uses glass tube heat exchanger in series with evaporator of heat pump for heat recuperation

Info

Publication number
DE2802907A1
DE2802907A1 DE19782802907 DE2802907A DE2802907A1 DE 2802907 A1 DE2802907 A1 DE 2802907A1 DE 19782802907 DE19782802907 DE 19782802907 DE 2802907 A DE2802907 A DE 2802907A DE 2802907 A1 DE2802907 A1 DE 2802907A1
Authority
DE
Germany
Prior art keywords
heat
heat exchanger
evaporator
glass tube
heat pump
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.)
Ceased
Application number
DE19782802907
Other languages
German (de)
Inventor
Gerd Frings-Naberschulte
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.)
FRINGS NABERSCHULTE GERD
Original Assignee
FRINGS NABERSCHULTE GERD
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 FRINGS NABERSCHULTE GERD filed Critical FRINGS NABERSCHULTE GERD
Priority to DE19782802907 priority Critical patent/DE2802907A1/en
Publication of DE2802907A1 publication Critical patent/DE2802907A1/en
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12C—BEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C1/00—Preparation of malt
    • C12C1/067—Drying
    • C12C1/073—Processes or apparatus specially adapted to save or recover energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • 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
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • 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
    • 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

Abstract

The air conditioning system for a malt kiln uses a glass tube heat exchanger in series with the evaporator of a heat pump to form a heat recuperation system. The air passing through the heat exchanger is returned to it after passing through the evaporator. It then passes through the condenser of the heat pump and the cooling unit of the apparatus driven by a diesel motor. A large amount of condensate is obtained at the heat exchanger, forming part of the drying system for the kiln.

Description

Λ·Λ ·

Beschreibung der Patentansprüche P 28 02 907.4Description of claims P 28 02 907.4

Titel:
Anwendungsgebiet:Title:
Field of use:

Zweck:Purpose:

Stand der Technik:State of the art:

Fundstellen:References:

Kretik des Standes
■•er Technik:Criticism of the stand
■ • he technology:

Aufgabe:Task:

Anlage zur Wärmerückgewinnung an Malzdarren.System for heat recovery on malt kiln.

Hauptsächlich an Malzdarren und allen Anlagen, bei denen Luft zum Trocknen oder Klimatisieren benötigt wird, ohne daß die Luft erneuert zu werden braucht.Mainly on malt kilns and all systems in which air is required for drying or air conditioning without the air needs to be renewed.

Der Zweck der Anlage ist es, die in der Fortluft einer Darre oder ähnlichen Anlage enthaltene Wärmeenergie zurück zu gewinnen.The purpose of the system is to recover the thermal energy contained in the exhaust air of a kiln or similar system.

Bisher stützt sich die Wärmerückgewinnung an Malzdarren und ähnlichen Anlagen auf den Einsatz von Glasröhrenwärmetauscher. Diese im Alleineinsatz bringen jedoch nur eine Rückgewinnung von maximal 35 % von der angesetzten Wärmemenge.So far, the heat recovery in malt kilns and similar systems has been based on the use of glass tube heat exchangers. When used alone, however, they only recover a maximum of 35 % of the amount of heat used.

Der Einsatz der Wärmepumpe beschränkt sich bis jetzt nur darauf, aus anderen Wärmeträgern ( z.B. der Keimkastenkonditionierungsluft) Wärme zu entziehen und diese auf der anderen Seite der Wärmepumpe der Darrluft zuzuführen. Die Möglichkeit vermittels Wärmepumpe die in der Darrfortluft enthaltene Wärme wieder zu gewinnen, ist vom Institut für Maschinenwesen und Energiewirtschaft der Brauerei an der Technischen Universität München mit Stellungnahme vom 22.4.1974 durchgerechnet und verworfen worden.The use of the heat pump has so far only been limited to using other heat carriers (e.g. the germination box conditioning air) To extract heat and feed it to the kiln air on the other side of the heat pump. The possibility by means of a heat pump The Institute for Mechanical Engineering and Energy Management of the brewery is responsible for recovering the heat contained in the exhaust air at the Technical University of Munich with a statement dated April 22, 1974 and rejected.

Stellungnahme zum Einsatz einer Kaltdampfwärmepumpe zur Wärmerückgewinnung aus der Abluft von Einhorden-Hochleistungsdarren der Technischen Universität München - Institut für Maschinenwesen undStatement on the use of a cold steam heat pump for heat recovery from the exhaust air of single-hordes high-performance kilns of the Technical University of Munich - Institute for Mechanical Engineering and

Energiewirtschaft der Brauerei, O.Prof. Dr. Horst Engert, 0. Prof. Dr. Frank Berg. ( als Fotokopie in der Anlage beigefügt.)Energy management of the brewery, O.Prof. Dr. Horst Engert, 0. Prof. Dr. Frank Berg. (attached as a photocopy in the attachment.)

Veröffentlichung vom 20. April 1978 Brauwelt Nr. 16 über Wärmetauschereinsatz zur Rückgewinnung von Darrwärme, von: Akademischem Direktor Dr. Siegfried Pensei, Lehrstuhl für Maschinenwesen und Energiewirtschaft der Brauerei, 8050 Freising-Weihenstephan.Publication of April 20, 1978 Brauwelt No. 16 on the use of heat exchangers for the recovery of kiln heat, by: Academic Director Dr. Siegfried Pensei, Chair of Mechanical Engineering and Energy management of the brewery, 8050 Freising-Weihenstephan.

Der Glasröhrenwärmetauscher zur Teilrückgewinnung der in der Darrfortluft enthaltenen Wärme ist bis jetzt noch das beste Aggregat. Er bringt jedoch maximal nur 35 % der eingesetzten Wärmemenge wieder. Seine Wirkungsweise ist stark von der AuGenluft abhängig. Das heißt, im Sommer wenn die AuGenluft sehr warm ist, ist das Temperaturgefälle im Glasröhrenwärmetauscher derart gering, daß er fast kaum noch Wirkung hat.The glass tube heat exchanger for partially recovering the heat contained in the exhaust air is still the best unit so far. However, it only brings back a maximum of 35 % of the amount of heat used. Its mode of action is heavily dependent on the outside air. This means that in summer, when the outside air is very warm, the temperature gradient in the glass tube heat exchanger is so small that it hardly has any effect.

Der Einsatz der Wärmepumpe,die anderweitig ihre Verdampfungswärme holt und ihre Kondensationswärme an die Darrluft abgibt, ist nicht sehr effektiv, da diese Wärmepumpe in erster Linie als Kühlmaschine für z.B. Keimkästen genutzt wird und daher im Winter, wenn die Vor heizung der Darrluft am dringensten geboten wäre jedoch nicht einge setzt wird, da man zur Keimkastenkühlung im Winter eine derartige Anlage nicht benötigt.The use of the heat pump, which otherwise draws its heat of evaporation and transfers its heat of condensation to the kiln air , is not very effective, as this heat pump is primarily used as a cooling machine for e.g. germination boxes and therefore in winter, when the preheating of the kiln air is most important would not be used, however, since such a system is not required for cooling the germination box in winter.

Der Einsatz nur der Wärmepumpe zur Rückgewinnung der Abwärme in der Darrfortluft ist auf Grund der enormen Größendimensionen, die hier notwendig wären, unrentabel. Siehe auch beigefügtes Gutachten. The use of only the heat pump to recover the waste heat in the kiln air is uneconomical due to the enormous size that would be necessary here. See also attached report.

Die möglichst hohe Rückgewinnung der zum Darrprozess eingesetzten Wärmemenge.The highest possible recovery of the used for the kiln process Amount of heat.

»09830/040?»09830/040?

Lösung:Solution:

Weitere Ausgestal-
-ung:Further design
-ung:

Erzielbare Vorteile:Achievable benefits:

Beschreibung eines
oder mehrerer
Ausführungsbeispiele:Description of a
or more
Embodiments:

Zur höchstmöglichen Rückgewinnung der eingesetzten Wärmemenge wird ein Glasröhrenwärmetauscher in Reihe mit einem Verdampfer einer Wärmepumpe geschaltet. Die Abwärme enthaltene Darrfortluft durchströmt zunächst den Glasröhrenwärmetauscher, anschließend den Verdampfer einer Wärmepumpe, um dann stark abgekühlt im Kreuzstrom den Glasröhrenwärmetauscher auf der anderen Seite zu passieren, um dann im weiteren Verlauf zunächst um wieder aufgeheizt zu werden den Kondensator der Wärmepumpe durchstreicht und anschließend die Kühler der die Anlage betreibenden Dieselmotoren 4/ Beim Durchstreich durch .den Glasröhrenwärmetauscher wird auf Grund von Kondensation eine große Wassermenge ausgeschieden. Dies geschieht ebenfalls noch mal in dem Verdampfer der Wärmepumpe. Die so abgekühlte Luft ist nunmehr wieder in der Lage, nachdem sie auf der anderen Seite des Glasröhrenwärmetauschers und der in Reihe folgenden Wärmetauscher wieder erwärmt worden ist, wieder Wasser in sich aufzunehmen und so das Keimgut auf der Darre der Aufgabe gemäß zu trocknen.For the highest possible recovery of the amount of heat used a glass tube heat exchanger is connected in series with an evaporator of a heat pump. The waste heat contained in the exhaust air first flows through the glass tube heat exchanger, then the evaporator of a heat pump, and then strongly cooled in a cross flow to pass the glass tube heat exchanger on the other side, in order to then be heated up again in the further course sweeps through the condenser of the heat pump and then the cooler of the diesel engines operating the system 4 / When sweeping through through .the glass tube heat exchanger is due to condensation a large amount of water excreted. This also happens again in the evaporator of the heat pump. The air so cooled is now able again after being on the other side of the glass tube heat exchanger and the heat exchanger following in series has been reheated to take up water again and thus to dry the germinal material on the kiln according to the task.

Um die Wirtschaftlichkeit der Anlage weiter zu erhöhen, werden für den Antrieb sowohl des Ventilators, der das Trocknungsmedium Luft bewegt, als auch der Wärmepumpe,Dieselmotoren eingesetzt, deren Abwärme wieder voll im zu beheizenden Luftstrom genutzt wird.In order to further increase the profitability of the system, the drive of both the fan, which moves the drying medium air, as well as the heat pump, diesel engines are used, their Waste heat is fully used again in the air flow to be heated.

Bei der oben näher beschriebenen Verfahrensweise sind Einsparungen an Wärme- und mechanischer Enercjie von ca. 70 % möglich. Darüberhinaus nehmen die Investitionskosten für die Wärmepumpe auf Grund kleinerer Dimensionen gegenüber der Nurverwendung einer Wärmepumpe an der Darre vernünftige Kostenrelationen an.With the procedure described in more detail above, savings of heat and mechanical energy of approx. 70 % are possible. In addition, the investment costs for the heat pump assume reasonable cost ratios due to their smaller dimensions compared to just using a heat pump on the kiln.

In dem vorliegenden Fall dürfte es nur ein Ausführungsbeispiel geben, so wie es oben dargestellt ist.In the present case, there should only be one embodiment, as shown above.

909830/040?909830/040?

CQP/CQP /

LeerseiteBlank page

Claims (1)

Oberbegriff: O Wärmerückgewinnungsanlage für Malzdarren und ähnliche mit LuftGeneric term: O heat recovery system for malt kilns and similar with air betriebenen Klimaanlagen.operated air conditioning systems. Kennzeichnender Teil: Das Hintereinanderschalten eines KreuzstromglasröhrenwärmetauschersCharacteristic part: The series connection of a cross-flow glass tubular heat exchanger mit einer Wärmepumpe und das Rückführen der gleichen Luft auf der anderen Seite durch den Kreuzstromglasröhrenwärmetauscher.with a heat pump and recirculating the same air on the other side through the cross-flow glass tubular heat exchanger. 909Β3Ο/ΓΗ0Τ909Β3Ο / ΓΗ0Τ
DE19782802907 1978-01-24 1978-01-24 Malt kiln air conditioning system - uses glass tube heat exchanger in series with evaporator of heat pump for heat recuperation Ceased DE2802907A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19782802907 DE2802907A1 (en) 1978-01-24 1978-01-24 Malt kiln air conditioning system - uses glass tube heat exchanger in series with evaporator of heat pump for heat recuperation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782802907 DE2802907A1 (en) 1978-01-24 1978-01-24 Malt kiln air conditioning system - uses glass tube heat exchanger in series with evaporator of heat pump for heat recuperation

Publications (1)

Publication Number Publication Date
DE2802907A1 true DE2802907A1 (en) 1979-07-26

Family

ID=6030227

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782802907 Ceased DE2802907A1 (en) 1978-01-24 1978-01-24 Malt kiln air conditioning system - uses glass tube heat exchanger in series with evaporator of heat pump for heat recuperation

Country Status (1)

Country Link
DE (1) DE2802907A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3009565A1 (en) * 1980-03-13 1981-09-24 Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld DRYING SYSTEM
EP0073339A2 (en) * 1981-09-01 1983-03-09 Harald Dr.-Ing. Steinhaus Process and plant for the recovery of the heat of used kilning air of kilns with one floor
DE3134490A1 (en) * 1981-09-01 1983-03-10 Steinhaus, Harald, Dr.-Ing., 4354 Datteln Use of the kiln outgoing air of single-floor (single-deck) kilns as a heat source for heat pumps in conjunction with partial avoidance and simultaneous use of existing devices for heat recovery (reclamation)
FR2535445A1 (en) * 1982-10-28 1984-05-04 Conditionair Sa Drying installation.
FR2563618A1 (en) * 1982-11-02 1985-10-31 Shonetsugaku Kenkyusho Kk DRYING METHOD USING THE REFRIGERATION CYCLE, AND APPARATUS FOR CARRYING OUT SAID METHOD
EP0197132A1 (en) * 1984-10-05 1986-10-15 Michael Goldberg Drier comprising a heat pump.
CN111664689A (en) * 2020-06-22 2020-09-15 重庆市开州区静惟莎制衣厂 Uniform drying and dehumidifying device for cloth for clothing processing

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2418196A1 (en) * 1974-04-13 1975-11-06 Kraftanlagen Ag Building heating arrangements - using an internal combustion engine with compressor for provision of hot water for homes or groups of buildings

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2418196A1 (en) * 1974-04-13 1975-11-06 Kraftanlagen Ag Building heating arrangements - using an internal combustion engine with compressor for provision of hot water for homes or groups of buildings

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DE-Z.: Brauwelt fahrg. 114 (1974), Nr. 33, S. 675-677 *
DE-Z.: Brauwelt fahrg. 114 (1974), Nr. 53, S. 1142-1144 *
DE-Z.: elektrowärmeinternational 30 (1972) A4, Juli, S. A180-A187 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3009565A1 (en) * 1980-03-13 1981-09-24 Babcock-BSH AG vormals Büttner-Schilde-Haas AG, 4150 Krefeld DRYING SYSTEM
EP0073339A2 (en) * 1981-09-01 1983-03-09 Harald Dr.-Ing. Steinhaus Process and plant for the recovery of the heat of used kilning air of kilns with one floor
DE3134490A1 (en) * 1981-09-01 1983-03-10 Steinhaus, Harald, Dr.-Ing., 4354 Datteln Use of the kiln outgoing air of single-floor (single-deck) kilns as a heat source for heat pumps in conjunction with partial avoidance and simultaneous use of existing devices for heat recovery (reclamation)
EP0073339A3 (en) * 1981-09-01 1986-03-19 Harald Dr.-Ing. Steinhaus Process and plant for the recovery of the heat of used kilning air of kilns with one floor
FR2535445A1 (en) * 1982-10-28 1984-05-04 Conditionair Sa Drying installation.
FR2563618A1 (en) * 1982-11-02 1985-10-31 Shonetsugaku Kenkyusho Kk DRYING METHOD USING THE REFRIGERATION CYCLE, AND APPARATUS FOR CARRYING OUT SAID METHOD
EP0197132A1 (en) * 1984-10-05 1986-10-15 Michael Goldberg Drier comprising a heat pump.
EP0197132A4 (en) * 1984-10-05 1987-02-03 Michael Goldberg Drier comprising a heat pump.
CN111664689A (en) * 2020-06-22 2020-09-15 重庆市开州区静惟莎制衣厂 Uniform drying and dehumidifying device for cloth for clothing processing

Similar Documents

Publication Publication Date Title
DE2231945A1 (en) STEAM CONDENSATION PLANT WITH AT LEAST TWO WATER-COOLED HEAT EXCHANGERS CONNECTED TO THE AIR SIDE IN A SERIES OF COOLING ELEMENTS
EP0133894A1 (en) Process and device for the reheating of smoke after wet desulfurisation
EP0013018B1 (en) Heating installation comprising a heating circuit, a boiler and a heat-pump
DE1940052B2 (en) AIR-COOLED PARTITION HEAT EXCHANGER
DE2802907A1 (en) Malt kiln air conditioning system - uses glass tube heat exchanger in series with evaporator of heat pump for heat recuperation
EP3230671B2 (en) Drying installation with a drying area
DE2652306A1 (en) ENERGY COLLECTOR
AT390018B (en) METHOD AND REGENERATION DEVICE FOR THERMAL TREATMENT, E.g. DRYING, SWELLING, GASIFICATION OF PASTOESER OR SLUDGEY SUBSTANCES
DE2639339A1 (en) EVAPORATOR ARRANGEMENT FOR HEAT PUMPS, PROTECTED AGAINST ICING, TO RECEIVE HEAT FROM THE AMBIENT AIR
CH626426A5 (en) Internal combustion engine system with a pressure-charged, water-cooled engine
AT2034U1 (en) DRYING PLANT, ESPECIALLY FOR WOOD
DE434112C (en) Air preheater for firing systems, in which the heat of the heating gases is transferred to the water and the heat stored in the water to the combustion air
DE2240122A1 (en) VENTILATION UNIT FOR IN PARTICULAR SWIMMING POOLS
DE2523794A1 (en) PLANT FOR THE PRODUCTION OF CEMENT IN THE DRY PROCESS
EP0084577B1 (en) Method of and apparatus for heat transfer for the air conditioning of spaces for living beings in large numbers, in particular for livestock
DE3615375C2 (en)
DE567819C (en) Firing, especially for steam boilers
AT318979B (en) Device for extracting heat from a medium
CH508806A (en) Process for dissipating waste heat from the working fluid of a thermal power plant and thermal power plant for carrying out the method
DE950295C (en) Cooling device using a ranque pipe
DE3201747A1 (en) Method and device for heat transmission for air-conditioning rooms for living creatures in large numbers, in particular for animal keeping
EP1930667A2 (en) Device for recovering heat
DE1866328U (en) HEATING EQUIPMENT, IN PARTICULAR FOR VEHICLE HEATING.
DE679023C (en) Arrangement of a device for ballast water extraction
DE395632C (en) Evaporation plant for mines

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection