DE4022335C2 - Process for the evaporation of a liquid medium - Google Patents

Process for the evaporation of a liquid medium

Info

Publication number
DE4022335C2
DE4022335C2 DE4022335A DE4022335A DE4022335C2 DE 4022335 C2 DE4022335 C2 DE 4022335C2 DE 4022335 A DE4022335 A DE 4022335A DE 4022335 A DE4022335 A DE 4022335A DE 4022335 C2 DE4022335 C2 DE 4022335C2
Authority
DE
Germany
Prior art keywords
pressure
capillary
evaporation
medium
approximately
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.)
Expired - Fee Related
Application number
DE4022335A
Other languages
German (de)
Other versions
DE4022335A1 (en
Inventor
Mathias Dipl Chem Dr Boenig
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
Priority to DE4022335A priority Critical patent/DE4022335C2/en
Publication of DE4022335A1 publication Critical patent/DE4022335A1/en
Application granted granted Critical
Publication of DE4022335C2 publication Critical patent/DE4022335C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
    • F02M31/16—Other apparatus for heating fuel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
    • F02M53/02—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means with fuel-heating means, e.g. for vaporising
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Description

Die Erfindung bezieht sich auf ein Verfahren zur Verdampfung eines flüssigen Mediums.The invention relates to a method for evaporating a liquid Medium.

Der Erfindung liegt die Aufgabe zugrunde, dieses Verfahren derart durchzuführen, daß in einfacher Art und Weise ein kontinuierlicher Betrieb möglich ist und der gewünschte Enddruck möglichst konstant ist.The object of the invention is to carry out this method in such a way that that continuous operation is possible in a simple manner is and the desired final pressure is as constant as possible.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das flüssige Medium mittels einer druck- und durchsatzkonstant arbeitenden Pumpe auf einen erhöhten Druck und dann ein einem heizbaren Verdampfungsraum auf eine erhöhte Temperatur gebracht wird derart, daß sich das Medium im überkritischen Bereich befindet, und daß anschließend das Medium über ein Ventil auf den gewünschten Druck entspannt wird.This object is achieved in that the liquid Medium by means of a pressure and flow constant working pump on one increased pressure and then in a heatable evaporation space an elevated temperature is brought such that the medium in the supercritical area, and then the medium over a Valve is relaxed to the desired pressure.

Der überkritische Bereich ist ein solcher, bei dem Druck und Temperatur überkritisch sind.The supercritical range is one at which pressure and temperature are supercritical.

Durch die erfindungsgemäße Maßnahme wird erreicht, daß der Enddruck sehr konstant gehalten werden kann. (Schafft man sich den Enddruck allein durch Verdampfen, ergeben sich Druckschwankungen aufgrund der Volumenzunahme des Gases beim Überschreiten der Phasengrenze vom flüssigen zum gasförmigen Aggregatzustand.)The measure according to the invention ensures that the final pressure can be kept very constant. (If you manage the end pressure alone evaporation results in pressure fluctuations due to the increase in volume of the gas when the phase boundary is exceeded by the liquid to the gaseous state of matter.)

Weitere Einzelheiten der Erfindung ergeben sich aus der einzigen Figur der Zeichnung, in der ein Blockdiagramm einer erfindungsgemäßen Ausführungsform dargestellt ist. Further details of the invention emerge from the single figure of FIG Drawing, in which a block diagram of an embodiment according to the invention is shown.  

Durch die Hochdruckpumpe 1 wird ein Medium über eine Verbindungskapillare 2 in eine Verdampfungsraumkapillare 3 gepumpt. Diese ist an beiden Enden mit einer Stromquelle 4 verbunden, durch welche über den Spannungsabfall in der Kapillare diese beheizt wird. Das in der überkritischen Phase befindliche Medium wird über ein Entspannungsventil 5 auf den gewünschten Enddruck entspannt und tritt an dessen Ausgang dampfförmig aus.The high-pressure pump 1 pumps a medium through a connecting capillary 2 into an evaporation space capillary 3 . This is connected at both ends to a current source 4 , by means of which the capillary is heated by the voltage drop. The medium in the supercritical phase is expanded to the desired final pressure via an expansion valve 5 and emerges in vapor form at its outlet.

Die erfindungsgemäße Vorrichtung kann beispielsweise Verwendung finden für die Verdampfung von flüssigen Brennstoffen zum Zwecke der kontrollierten Verbrennung in unter atmosphärischem oder erhöhtem Druck arbeitenden Brennern.The device according to the invention can be used, for example for the vaporization of liquid fuels for the purpose of controlled Combustion in working at atmospheric or elevated pressure Burners.

Ein weiteres Beispiel für die Verwendung der erfindungsgemäßen Vorrichtung wäre der Einsatz als Einspritzanlage für Ottomotoren.Another example of the use of the device according to the invention would be the use as an injection system for gasoline engines.

Claims (7)

1. Verfahren zur Verdampfung eines flüssigen Mediums, dadurch gekennzeichnet, daß dieses mittels einer druck- und durchsatzkonstant arbeitenden Pumpe auf einen erhöhten Druck und dann in einem heizbaren Verdampfungsraum auf eine erhöhte Temperatur gebracht wird derart, daß sich das Medium im überkritischen Bereich befindet, und daß anschließend das Medium über ein Ventil auf den gewünschten konstanten Enddruck entspannt wird.1. A process for the evaporation of a liquid medium, characterized in that it is brought to an elevated pressure by means of a pressure and throughput-constant pump and then brought to an elevated temperature in a heatable evaporation space such that the medium is in the supercritical range, and that the medium is then expanded to the desired constant final pressure via a valve. 2. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1, gekennzeichnet durch eine druck- und durchsatzkonstant arbeitende Hochdruckpumpe (1), einen dieser nachgeschalteten beheizbaren Verdampfungsraum (3) und ein diesem nachgeschalteten Entspannungsventil (5).2. Device for carrying out the method according to claim 1, characterized by a pressure and throughput constant high pressure pump ( 1 ), one of these downstream heatable evaporation chamber ( 3 ) and a downstream relief valve ( 5 ). 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Verdampfungsraum aus einer beheizbaren Kapillare (3) besteht.3. Apparatus according to claim 2, characterized in that the evaporation chamber consists of a heatable capillary ( 3 ). 4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Kapillare (3) aus Edelstahl besteht.4. The device according to claim 3, characterized in that the capillary ( 3 ) consists of stainless steel. 5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Kapillare (3) selbst stromdurchflossen ist.5. The device according to claim 4, characterized in that the capillary ( 3 ) is flowed through by itself. 6. Vorrichtung nach Anspruch 3, 4 oder 5, dadurch gekennzeichnet, daß die Kapillare (3) einen Durchmesser von ca. 0,4 mm, einen Außendurchmesser von ca. 1/16 Zoll und eine Länge von ca. 3 m hat.6. The device according to claim 3, 4 or 5, characterized in that the capillary ( 3 ) has a diameter of approximately 0.4 mm, an outer diameter of approximately 1/16 inch and a length of approximately 3 m. 7. Verwendung der Vorrichtung nach Anspruch 2 bis 6 als Einspritzvorrichtung für Ottomotoren.7. Use of the device according to claim 2 to 6 as an injection device for gasoline engines.
DE4022335A 1990-07-13 1990-07-13 Process for the evaporation of a liquid medium Expired - Fee Related DE4022335C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4022335A DE4022335C2 (en) 1990-07-13 1990-07-13 Process for the evaporation of a liquid medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4022335A DE4022335C2 (en) 1990-07-13 1990-07-13 Process for the evaporation of a liquid medium

Publications (2)

Publication Number Publication Date
DE4022335A1 DE4022335A1 (en) 1992-01-16
DE4022335C2 true DE4022335C2 (en) 1996-03-28

Family

ID=6410225

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4022335A Expired - Fee Related DE4022335C2 (en) 1990-07-13 1990-07-13 Process for the evaporation of a liquid medium

Country Status (1)

Country Link
DE (1) DE4022335C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19723680A1 (en) * 1997-06-05 1998-12-10 Eigenberger Gerhart Prof Dr In Continuous evaporator for small liquid streams

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6820598B2 (en) * 2002-03-22 2004-11-23 Chrysalis Technologies Incorporated Capillary fuel injector with metering valve for an internal combustion engine
US7357124B2 (en) 2002-05-10 2008-04-15 Philip Morris Usa Inc. Multiple capillary fuel injector for an internal combustion engine
SE0202832D0 (en) * 2002-09-25 2002-09-25 Siemens Elema Ab Injection vaporiser
DE602004030630D1 (en) * 2003-10-30 2011-01-27 Philip Morris Usa Inc Multi-capillary fuel injector for an internal combustion engine
US7337768B2 (en) 2004-05-07 2008-03-04 Philip Morris Usa Inc. Multiple capillary fuel injector for an internal combustion engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1441103A (en) * 1972-07-25 1976-06-30 Ici Ltd Separation process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19723680A1 (en) * 1997-06-05 1998-12-10 Eigenberger Gerhart Prof Dr In Continuous evaporator for small liquid streams
DE19723680B4 (en) * 1997-06-05 2004-08-26 Eigenberger, Gerhart, Prof.Dr.-Ing. Direct evaporator for small liquid flows

Also Published As

Publication number Publication date
DE4022335A1 (en) 1992-01-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8122 Nonbinding interest in granting licences declared
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee