NO152893B - Fremgangsmaate og apparat for blanding av to vaesker med forskjellige viskositeter - Google Patents

Fremgangsmaate og apparat for blanding av to vaesker med forskjellige viskositeter Download PDF

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NO152893B
NO152893B NO812821A NO812821A NO152893B NO 152893 B NO152893 B NO 152893B NO 812821 A NO812821 A NO 812821A NO 812821 A NO812821 A NO 812821A NO 152893 B NO152893 B NO 152893B
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viscosity
temperature
mixture
heating
liquids
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NO812821A
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NO812821L (no
NO152893C (no
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Arne Loennebring
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Imo Industri Ab
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D33/00Controlling delivery of fuel or combustion-air, not otherwise provided for
    • F02D33/003Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40Mixing liquids with liquids; Emulsifying
    • B01F23/49Mixing systems, i.e. flow charts or diagrams
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0602Control of components of the fuel supply system
    • F02D19/0605Control of components of the fuel supply system to adjust the fuel pressure or temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0626Measuring or estimating parameters related to the fuel supply system
    • F02D19/0628Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0626Measuring or estimating parameters related to the fuel supply system
    • F02D19/0634Determining a density, viscosity, composition or concentration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0639Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
    • F02D19/0649Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
    • F02D19/0657Heavy or light fuel oils; Fuels characterised by their impurities such as sulfur content or differences in grade, e.g. for ships
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0663Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02D19/0684High pressure fuel injection systems; Details on pumps, rails or the arrangement of valves in the fuel supply and return systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/081Adjusting the fuel composition or mixing ratio; Transitioning from one fuel to the other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D33/00Controlling delivery of fuel or combustion-air, not otherwise provided for
    • F02D33/003Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge
    • F02D33/006Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge depending on engine operating conditions, e.g. start, stop or ambient conditions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M31/00Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/02Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
    • F02M31/16Other apparatus for heating fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047Layout or arrangement of systems for feeding fuel
    • F02M37/0064Layout or arrangement of systems for feeding fuel for engines being fed with multiple fuels or fuels having special properties, e.g. bio-fuels; varying the fuel composition
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D24/00Control of viscosity
    • G05D24/02Control of viscosity characterised by the use of electric means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2201/00Fuels
    • F02B2201/06Dual fuel applications
    • F02B2201/062Liquid and liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00Engines characterised by air compression and subsequent fuel addition
    • F02B3/06Engines characterised by air compression and subsequent fuel addition with compression ignition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0076Details of the fuel feeding system related to the fuel tank
    • F02M37/0088Multiple separate fuel tanks or tanks being at least partially partitioned
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/0318Processes
    • Y10T137/0324With control of flow by a condition or characteristic of a fluid
    • Y10T137/0329Mixing of plural fluids of diverse characteristics or conditions
    • Y10T137/0335Controlled by consistency of mixture
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/0318Processes
    • Y10T137/0391Affecting flow by the addition of material or energy
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/2496Self-proportioning or correlating systems
    • Y10T137/2499Mixture condition maintaining or sensing
    • Y10T137/2506By viscosity or consistency

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Accessories For Mixers (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

En i det vesentlige konstant viskositet for en væskeblanding ved en gitt temperatur opprettholdes ved blanding av to væsker med forskjellige viskositeter, særlig dieselolje og tung brenselsolje for til-førsel til en motor. Væskeblandingen som konstant fremstilles i en blandeinnretning (12) føres gjennom en oppvarmingsinnretning (2 3) . Viskositeten for den oppvarmede blanding måles i et viskosimeter (30) beregnet for å regulere oppvarmingen slik at en i det vesentlige konstant viskositet opprettholdes. Videre måles temperaturen for den oppvarmede blanding og ^ blandingsforholdet mellom begge væsker reguleres i samsvar med temperaturen, slik at temperaturen holdes i det vesentlige konstant.•).

Description

Oppfinnelsen vedrører en fremgangsmåte og et apparat for blanding av to væsker med forskjellige viskositeter, mens det opprettholdes i det vesentlige konstant viskositet ved en gitt temperatur for væskeblandingen. Oppfinnelsen ved-rører spesielt blanding av oljer med forskjellig viskositet, og fremfor alt blanding av dieselolje med tung brenselolje for tilførsel til motorer, f.eks. hjelpemotorer på fartøyer.
Med de økende oljepriser er det blitt mer og mer vesentlig å redusere brenselkostnadene for drift av slike hjelpemotorer på fartøyer, som vanligvis drives på dieselolje. Til dette formål er det blitt foreslått å blande lavkvalitets-oljer (tunge brenseloljer) med dieselolje for tilførsel til slike motorer. Da disse motorer krever en olje med en spesi-ell viskositet ved en gitt temperatur for deres drift, må det være sikret at blandingsforholdet reguleres på en slik måte at den egnede viskositet opprettholdes. Til dette formål er det blitt foreslått et system i hvilket ulandingsforholdet reguleres ved bestemmelse av temperaturen og viskositeten for blandingen. De målte verdier tilførs til en beregningsenhet som omdanner den målte viskositetsverdi til en verdi som er egnet ved den ønskede temperatur, og med leding heri fast-settes blandingsforholdet, f.eks. ved å regulere arbeidet til to pumper som mater blandingen med begge oljer, slik at en i det vesentlige konstant viskositet ved den ønskede temperatur opprettholdes.
Dette system har den ulempe at den nødvendige beregningsenhet er en dyr komponent. Videre krever systemet bruk av blandetanker. Det er ikke mulig å blande de to oljer direkte i en ledning som fører til motoren.
Den foreliggende oppfinnelse har ti] hensikt å eliminere disse ulemper ved tilveiebringelse av en fremgangsmåte og et apparat ved hvilket blandetrinnet kan gjennomføres underveis uten å kreve bruk av en dyr beregningsenhet.
Dette er ifølge den foreliggende oppfinnelse opp-nådd ved hjelp av de karakteristiske trekk som angitt i karakteristikken til det etterfølgende selvstendige krav 1, nemlig: at blandingen med et bestemt blandingsforhold oppvarmes, at dens temperatur og viskositet etter oppvarming måles, at oppvarmingen reguleres med rettledning i den således bestemte viskositet, at en i det vesentlige konstant viskositetsverdi etter oppvarmingen opprettholdes og at blandingsforholdet mellom begge væsker reguleres deretter med rettledning fra den målte temperatur, slik at en i det vesentlige konstant temperatur for væskeblandingen opprettholdes etter oppvarmingen.
Oppfinnelsen er beskrevet i detalj under henvisning til tegningen, som skjematisk illustrerer et apparat for gjen-nomføring av fremgangsmåten for blanding av dieselolje og tung brenselsolje for tilførsel til en motor.
Apparatet innbefatter en dieseloljepumpe 1, som på sin sugeside er forbundet via en ledning 2 til en dieselolje-tank, en ledning 3 med en enveisventil 4 som går ut fra dens trykkside og en tungoljepumpe 5, som på sin sugeside er forbundet via en ledning 6 til en tung brenselsoljetank og en ledning 7. med en enveisventil 8 som går ut fra dens trykkside. Dieseloljepumpen 1 drives av en motor 9 med en variabel rotasjonshastighet, og den tunge oljepumpe 5 drives av en motor 10 med en konstant rotasjonshastighet.
Begge ledninger 3, 7 føres til en ledning 11 som åpner i en blandeinnretning 12 i hvilken dieseloljen og den tunge brenselsolje blir blandet. Blandingen føres ut via en ledning 13, fra hvilken en returledning 14 med enveisventilen 15 fører til ledningen 6 på sugesiden av pumpen 5, slik at en del av oljeblandingen føres tilbake til pumpen 5, hvilken pumpe således drives med en blanding av ny tilført tung brenselsolje og oljeblanding som allerede er produsert.
Delen av oljeblandingen som ikke resirkuleres strømmer først gjennom en "strømningsmåler 16. Blandingen blir så transportert via en ledning 21 av en pumpe 22 for å
ta blandingen gjennom en oppvarmingsinnretning 23. Blandingen som strømmer fra oppvarmingsinnretningen 23 passerer gjennom en ledning 28. I denne ledning blir temperaturen for blandingen målt av et termometer 29 og viskositeten ved hjelp av et viskosimeter 30. Blandingen blir så ført via et filter 31 til punktet'for forbruk, dvs. en dieselmotor (ikke vist) via en ledning 32.
I det illustrerte eksempel blir oljeblandingen opp-varmet i oppvarmingsinnretningen 23 ved hjelp av damp som til-føres via en ledning 33, mens kondensatet tas ut via en ledning 34. En variabel innsnevring 35 er innsatt i ledningen 33, og dens innstilling reguleres av viskosimeteret 30, som angitt med linjen 36. Temperaturen som avleses av termometeret 29 tjener for innstilling av den variable motor 9, som antydet med linjen 37.
Systemet drives på følgende måte: Hvis blandings-viskositeten ved viskosimeteret 30 har en tendens til å øke, sendes et signal som øker damptilførselen ved innsnevringen 35, hvorved oppvarming i oppvarmingsinnretningen 23 øker, og temperaturen som avleses av termometeret 29 øker. Et signal blir derved gitt til motoren 9, som får øket sin rotasjonshastighet, slik at pumpen tilfører en større mengde dieselolje, og blandingens viskositet reduseres. Hvis istedet viskositeten ved viskosimeteret 30 har en tendens til å avta, blir damptilførselen til oppvarmingsinnretningen 2 3 begrenset, hvorved temperaturen som avleses av termometeret 29 faller og motoren 9 bringes til å drives ved en lavere rotasjonshastighet, slik at tilsetningen av dieselolje avtar. Således føres en blanding med i det vesentlige konstant viskositet og i det vesentlige konstant temperatur til motoren.
En ledning 38 opptar tilbakeført oljeblanding fra dieselmotoren som blir tilført via en enveisventil 39 og en lufteventil 40 til sugesiden av pumpen 22.
En ledning 41 med enveisventilen 42 fører fra ledningen 2 direkte til ledningen 21. Dette gjør det mulig å tilføre motoren:bare dieselolje hvis nødvendig, f. eks. i til-felle av forstyrrelser i blandesystemet.

Claims (5)

1. Fremgangsmåte for blanding av to væsker med forskjellige viskositeter mens det opprettholdes i det vesentlige konstant viskositet ved en gitt temperatur for væskeblandingen, karakterisert ved at blandingen med et bestemt blandingsforhold oppvarmes, at dens temperatur og viskositet etter oppvarming måles, at oppvarmingen reguleres med rettledning i den således bestemte viskositet, at en I det vesentlige konstant viskositetsverdi etter oppvarmingen opprettholdes og at blandingsforholdet mellom begge væsker reguleres deretter med rettledning fra den målte temperatur, slik at en i det vesentlige konstant temperatur for væskeblandingen opprettholdes etter oppvarmingen.
2. Fremgangsmåte ifølge krav 1, karakterisert ved at en væske tilføres i en konstant strøm og at blandingsforholdet reguleres ved regulering av strømmen av den andre væske.
3 . Apparat for blanding av to væsker med forskjellige viskositeter mens det opprettholdes i det vesentlige konstant viskositet ved en gitt temperatur for væskeblandingen, om-fattende pumper (4,5) for kontinuerlig tilførsel av hver av væskene til en kontinuerlig arbeidende blander (12), karakterisert ved en oppvarmingsinnretning (23) for oppvarming av væskeblandingen som kommer fra blanderen (12), et viskosimeter (30) beregnet for måling av viskositeten for den oppvarmede væskeblanding og regulering av oppvarmingsinnretningen (23), slik at en i det vesentlige konstant viskositet oppnås, og et termometer (29) anordnet for måling av temperaturen til den oppvarmede blanding, og regulering av driften av en av pumpene, slik at en i det vesentlige konstant temperatur opprettholdes.
4. Apparat ifølge krav 1, karakterisert ved at den ene pumpe (5) er beregnet for drift ved en konstant strømningshastighet for tilførsel av væske med høyere viskositet, og at den andre pumpe (1) for tilførsel av væske med en lav viskositet, er beregnet for drift med variabel strømningshastighet og regulering ved hjelp av termometeret (29) .
5. Apparat ifølge krav 2, karakterisert ved en returledning (14) for resirkulering av en del av væskeblandingen fra utløpet på blanderen (12) til sugesiden for den konstante strømningspumpe (5).
NO812821A 1979-12-27 1981-08-20 Fremgangsmaate og apparat for blanding av to vaesker med forskjellige viskositeter. NO152893C (no)

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Application Number Priority Date Filing Date Title
SE7910673A SE416889B (sv) 1979-12-27 1979-12-27 Forfarande for blandning av tva vetskor med olika viskositet samt anordning for genomforande av forfarandet

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NO812821L NO812821L (no) 1981-08-20
NO152893B true NO152893B (no) 1985-09-02
NO152893C NO152893C (no) 1985-12-18

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US (1) US4452265A (no)
EP (1) EP0048243B1 (no)
JP (1) JPS56501838A (no)
DE (1) DE3050169C2 (no)
DK (1) DK151938B (no)
FI (1) FI820147L (no)
GB (1) GB2086252B (no)
NL (1) NL8020483A (no)
NO (1) NO152893C (no)
SE (1) SE416889B (no)
WO (1) WO1981001803A1 (no)

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SE416889B (sv) 1981-02-16
GB2086252B (en) 1983-03-09
FI820147L (fi) 1982-01-18
DK367481A (da) 1981-08-19
US4452265A (en) 1984-06-05
NO812821L (no) 1981-08-20
NO152893C (no) 1985-12-18
JPS56501838A (no) 1981-12-17
NL8020483A (no) 1982-04-01
WO1981001803A1 (en) 1981-07-09
DE3050169T1 (de) 1982-06-03
EP0048243B1 (en) 1984-03-21
EP0048243A1 (en) 1982-03-31
GB2086252A (en) 1982-05-12
DE3050169C2 (de) 1986-03-20
DK151938B (da) 1988-01-18

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