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DE2045390A1 - Liquid droplets prodn - of non conducting substance by pulsating field - Google Patents

Liquid droplets prodn - of non conducting substance by pulsating field

Info

Publication number
DE2045390A1
DE2045390A1 DE19702045390 DE2045390A DE2045390A1 DE 2045390 A1 DE2045390 A1 DE 2045390A1 DE 19702045390 DE19702045390 DE 19702045390 DE 2045390 A DE2045390 A DE 2045390A DE 2045390 A1 DE2045390 A1 DE 2045390A1
Authority
DE
Germany
Prior art keywords
nozzle
outer electrode
capillary
electrode
electrically
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.)
Pending
Application number
DE19702045390
Other languages
German (de)
Inventor
Herbert Dipl.-Phys. χ 1200 Frankfurt Schäfer
Original Assignee
Kombinat VEB Halbleiterwerk Frankfurt, χ 1200 Frankfurt
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 Kombinat VEB Halbleiterwerk Frankfurt, χ 1200 Frankfurt filed Critical Kombinat VEB Halbleiterwerk Frankfurt, χ 1200 Frankfurt
Priority to DE19702045390 priority Critical patent/DE2045390A1/en
Publication of DE2045390A1 publication Critical patent/DE2045390A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

A method for producing small droplets of an electrically non-conducting liquid consists of producing nonhomogeneous electrical fields rapidly in succession in the capillary tube of a nozzle, so that they pass through the liquid and produce mechanical impulses in it which break up the stream into droplets. In a preferred embodiment, a core electrode inside the capillary tube and an external electrode outside the nozzle produce the field.

Description

In der Patenzeichnung haben die Bezugszeichen inIn the patent drawing, the reference numbers in

Fig. 1 und 2 folgende Bedeutung: 1 Düse 2 Kapillare 3 Düsenöffnung 4 Kernelektrode 5 AußenelektrodeFig. 1 and 2 have the following meaning: 1 nozzle 2 capillary 3 nozzle opening 4 core electrode 5 outer electrode

Claims (5)

BatentansprucheBatent claims 1+Verfahren zum Herstellen kleiner Tropfen oder Kügelchen aus elektrisch nichtleitenden Flüssigkeiten oder geschmolzenen Stoffen dadurch gekennzeichnet, daß in der Kapillare (2) einer Düse (1) aufeinanderfolgend kurzzeitig ein inhomogenes elektrisches Feld erzeugt wird, daß diese Felder die Flüssigkeit oder den geschmolzen Stoff in der Düse'(1) durchsetzen und darin mechanische Impulse erzeugen, die den aus der Düss (1) ausfließenden Strahl in Tropfen teilen 2*Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1 dadurch gekennzeichnet, daß in die Kapil lare (2) der Fig. 1 eine Kernelektrode (4) bevorzugt bestehend aus einem Metallfaden eingesetzt ist und daß als Mantel um die Düse (1) eine Außenelektrode (5) bevorzugt als Metallzylinder angebracht ist.1 + method of making small drops or spheres from electrically non-conductive liquids or molten substances characterized that in the capillary (2) of a nozzle (1) successively briefly an inhomogeneous Electric field is generated that these fields affect the liquid or the melted Pass through the substance in the nozzle (1) and generate mechanical impulses in it, which cause the from the Düss (1) outflowing jet divide into drops 2 * device for implementation of the method according to claim 1, characterized in that the capillary (2) 1, a core electrode (4), preferably consisting of a metal thread, is used is and that as a jacket around the nozzle (1) an outer electrode (5), preferably as a metal cylinder is appropriate. 3.Vorrichtung nach Anspruch 2 dadurch gekennzeichnet, daß die Kapillare (2) der Fig. 2 zur Düsenöffnung (3) hin kegelförmig verjüngt ist, daß in diese Kapillare (2) eine Kernelektrode (4) als Kegel mit der Spitze zur Düsenöffnung (3) hin eingebaut ist und daß eine Außenelektrode (5) als durchbohrte, elektrisch leitende Scheibe die Düse (1) nach unten abschließt.3.Vorrichtung according to claim 2, characterized in that the capillary (2) of Fig. 2 is tapered conically towards the nozzle opening (3) that in this capillary (2) a core electrode (4) installed as a cone with the tip facing the nozzle opening (3) is and that an outer electrode (5) as a pierced, electrically conductive disc the nozzle (1) closes at the bottom. 40 Vorrichtung nach Anspruch 2 und 3, dadurch gekennzeichnet, daß zwischen Kernelektrode (4) und Außenelektrode (5) ein pulsierendes elektrisches Potential liegt.40 Device according to claim 2 and 3, characterized in that between the core electrode (4) and the outer electrode (5) a pulsating electrical Potential lies. 5.Vorrichtung nach Anspruch 2 bis 4, dadurch gekennzeichnet, daß die Außenelektrode (5) durch die Düse(1) selbst gebildet wird, indem die Düse (1) aus einem elektrisch leitenden Material hergestellt und als Außenelektrode (5) elektrisch verbunden ist.5.Vorrichtung according to claim 2 to 4, characterized in that the Outer electrode (5) is formed by the nozzle (1) itself by pulling the nozzle (1) out made of an electrically conductive material and electrically as the outer electrode (5) connected is.
DE19702045390 1970-09-15 1970-09-15 Liquid droplets prodn - of non conducting substance by pulsating field Pending DE2045390A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19702045390 DE2045390A1 (en) 1970-09-15 1970-09-15 Liquid droplets prodn - of non conducting substance by pulsating field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702045390 DE2045390A1 (en) 1970-09-15 1970-09-15 Liquid droplets prodn - of non conducting substance by pulsating field

Publications (1)

Publication Number Publication Date
DE2045390A1 true DE2045390A1 (en) 1972-03-16

Family

ID=5782391

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702045390 Pending DE2045390A1 (en) 1970-09-15 1970-09-15 Liquid droplets prodn - of non conducting substance by pulsating field

Country Status (1)

Country Link
DE (1) DE2045390A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4717049A (en) * 1984-04-05 1988-01-05 Mobil Oil Corporation Droplet generating apparatus
US4819831A (en) * 1984-04-05 1989-04-11 Mobil Oil Corporation Droplet generating apparatus
US4865444A (en) * 1984-04-05 1989-09-12 Mobil Oil Corporation Apparatus and method for determining luminosity of hydrocarbon fuels
WO1992017228A1 (en) * 1989-11-07 1992-10-15 Accumetric, Inc. Drop counting system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4717049A (en) * 1984-04-05 1988-01-05 Mobil Oil Corporation Droplet generating apparatus
US4819831A (en) * 1984-04-05 1989-04-11 Mobil Oil Corporation Droplet generating apparatus
US4865444A (en) * 1984-04-05 1989-09-12 Mobil Oil Corporation Apparatus and method for determining luminosity of hydrocarbon fuels
WO1992017228A1 (en) * 1989-11-07 1992-10-15 Accumetric, Inc. Drop counting system

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