US2624624A - Sprayer nozzle - Google Patents

Sprayer nozzle Download PDF

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Publication number
US2624624A
US2624624A US128511A US12851149A US2624624A US 2624624 A US2624624 A US 2624624A US 128511 A US128511 A US 128511A US 12851149 A US12851149 A US 12851149A US 2624624 A US2624624 A US 2624624A
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US
United States
Prior art keywords
nozzle
nozzle opening
body part
liquid
opening
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 - Lifetime
Application number
US128511A
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English (en)
Inventor
Kirschbaum Emil
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.)
KUKA SE and Co KGaA
Original Assignee
Industrie Werke Karlsruhe Ausburg AG
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 Industrie Werke Karlsruhe Ausburg AG filed Critical Industrie Werke Karlsruhe Ausburg AG
Application granted granted Critical
Publication of US2624624A publication Critical patent/US2624624A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/065—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet an inner gas outlet being surrounded by an annular adjacent liquid outlet

Definitions

  • My invention relates to improvements in sprayer nozzles and, more particularly, 150 sprayer nozzles for drying or dehydrating liquids such as solutions, emulsions and suspensions, to thereby transform the same into dry powder.
  • Liquids containing dissolved or suspended substances are dissipated for the purpose oi drying in order to obiain a great contact surface with the drying gaseg used in this connection.
  • a successfully employed principle for dissipating such liquids consists in introducing the liquid into rapidly flowing gas. In consequence of the high relative speed between gas and liquid, the latter is torn into finest partioles.
  • the dissipating efiect 011 the liquid is achieved by sprayer nozzles of various types.
  • lt is therefore, an object of my invention to provide a method of and device for preventing the formation of incrustations at the nozzle outlet of spray dryers, so that proper functioning of the spray dryer Will be assured even though the nozzle has 130 Work in hol; air, as is frequently the case with spray dryers.
  • It is a further object of my invention 110 provide a sprayer nozzle for drying or dehydrating liquids such as solutions, emulsions and suspensions, in which a portion of the fluid medium used as spraying medium is used for a, dual purpose, namely, 110 cool the liquid conducting chamber or channel means in the nozzle head and 1:0 prevent incrustation at the extreme nozzle outlet.
  • Figure 1 is a cross-sectional view of a sprayer 2 of che nozzle assembly
  • Figure 2a is a sectional view similar to Figure 2 but showing the other one-half of the nozzle assembly and indi cated by line IIalIa on Figure 1.
  • the sprayer nozzle comprises three main parts, viz. the conduit part I for ehe spraying medium, as e. g. co1d air,
  • part 2 forming the liquid containing and/o'r conducting chamber 3, and part 4 surroun'ding I:he outlet aperture 5 of the nozzle.
  • Parts I, 2 and 3 are arranged concentrioally and conveniently secured 130 another, so that the proper nozzle aperture 6 lies coaxially with and above the somewhat wider, outlet aperture 5 of the'liqui'd conducting chamber 3.
  • the liquid to be dissipated is 1ed into the chamber 3 through an inlet conduit or pipe 1 which tangentially communicates with said chamber through the passage 8 as may be seen from sectional view, Figure 2.
  • the invention provides for cooling cf the liquid chamber 3. This can, as'
  • the example shown in the -drawing provides for cooling by means of the spraying medium itself which is fed through 'the conduit 9.
  • the conduit 9 communicates by passages, channels or bores II) with corresponding bores II, and the ring chamber I2 respectiely, surrounding the liquid chamber 3.
  • the same part of spraying medium which is taken from the main spraying flow can also be used for preventing incrustations on the outlet aperture 5 oi the nozzle if, as shown in Fig. 1, the outlet passage I3 of the ring chamber I2 .is disposed discharge in close relationship Iso the outlet aperture 5 of the nozzle.
  • the outlet section of the ring chamber I2 is profiled to correspond with the acutely tapering outer Wall I4 of the nozzle outlet 5, as illustrated.
  • the nozzle operates 'as follows.
  • Gold spraying medium e. g. air
  • passages I3 discharge the cooling medium from the channel l 2, thus preventing at the same time incrustations on this part of the nozzle.
  • the bores H) are dispensed with and the ring chamber 12 is fed through a separate pipe or conduit (not shown) with ccoling medium, of gaseous or liquid constitution as the case may be.
  • Incrustations near the outlet aperture are prevented even then when ehe spraying medium which escapes in the neighbourhood of the outlet is hot.
  • the arrangement can also be such that a cooling chamber is continuously fed with water through a separate inlet conduit and'the cooling water is discharged from -a cooling chamber through a special outlet conduit, while incrustations on the outlet aperture 5 of the nozzle are prevented by a current of air flowing through a properly disposed air inlet conduit into a chamber or into passages the discharge apertures of which being arranged in close relationship to the outlet aperture 5 0f the nozzle.
  • a cooling chamber between the passages, channels er comduits of the spraying medium and the liquid containing and/or conducting chamber 01' channels.
  • a first body part provided with conduit means ending in a first nozzle opening for receiving and conveying a spraying medium through said nozzle opening, a second body part associated With said first body part and comfining therewith channel meang adjacent a portion of said conduit means near said first nozzle opening, said channel means ending in a second nozzle opening arranged in substantially axia l alignment with said first nozzle opening and -axially spaced therefrom, said second body part also being provided with inlet means communicating with said channel means for receiving the liquid to be dried so the said liquid can be supplied 130 the space between the said nozzle openings, und a, third body part associated with said second body part; and confining therewith a cooling chamber having means adapted to convey a cooling medium thereto, said cooling chamber including conduit means ending in a third nozzle opening at the outer edge of said second nozzle opening, said second and third nozzle openings being co-planar.
  • a sprayer nozzle for use in connection With spray dryers, a first body part provided with main conduit means ending in a first nozzle opening for receiving and conveying a spraying medium through said nozzle opening, said first body part also being provided with branch conduit means branching ofl. said main conduit means, a, second body part associated with said first body part am].
  • said chamher means communicating with a second nozzle opening provided in said second body part and in substantially axial alignment with said first nozz1e opening, said second nozzle opening being axi-ally spaced from said first I1OZZ1e opening, said second body part also being provided with inlet means communicating with said chamber means for receiving liquid to be dehydrated so the liquid can be delivered through said chamber to the space between the nozzle openings, said second body part furthermore being provided With passage meang communicating With said brauch conduit means, and a third body part associated with said second body part and confining therewith a cooling chamber communicacing with said passage means anti including conduit means ending in a third nozzle opening ab and around the outer edge of said second nozzle means, said second and third nozzle openings being co-planar.
  • a first body p-a1t provided With conduit means ending in a first nozzle opening for receiving and conveying a spraying, medium through said nozzle opening, a second body part associated with said first body part and confining therewith channel means adjacent a portion of said conduit means and near said firsb nozzle opening, said channel means ending in a second nozzle opening arranged in substantially axia1 alignment with said first nozzle opening said second nozzle opening being axially spaced from said first nozzle opening, said second body part also being provided with inlet means communicating with said channel means for receiving the liquid to be dehydrated so the liquid can be delivered through said charmber the space between the nozzle openings, and a third body part associated With saicl second body part and confining therewith a cooling chamber having means adapted to convey a cooling maximrn thereto, said cooling chamber in cluding annular channel means surrounding said second
  • a body having conduit means ending in a first nozzle opening 1or receiving and conveying a spraying medium through said nozzle opening, said body also being provided with channel means surrounding a portion o1" said conduit means adjacent said nozzle opening and adaptecl to receive liquid to be dried, said channel means ending near a second nozzle opening arranged substantially in alignmeni: with said first nozzle opening, said second nozzle opening bein axially spaced from said first nozzle opening, said body furthermore being provided with chamber means surrounding said channel means and comprising a taperin g portion ending in a third nozzle opening that sur rounds and is co-planar with said second nozzle opening for receiving a cooling medium and passing the same through said tapering portion anti third nozzle opening.
  • a body having conduit means ending in a first cylindrical nozz1e opening for receiving and conveying a, spraying medium through said nozzle opening, said body also being provided with channe1 means surrounding a portion of said conduit means adjacent said nozz1e opening and adapted to receive liquid to be dried and ending in a second nozzle opening axially aligned with but spaced from the first nozzle opening, said second nozzle opening also being substantially cylindrical and having a diameter larger than said first nozz1e opening, said body furthermore being provided with chamber means surrounding said channe1 means and comprising a. tapering portion ending in a third nozzle opening surrounding and coplanar with said second nozzle opening for receiving an cooling medium and passing ehe same through said tapering portion and third nozzle opening.
  • first body part comprising a hollow cylindrical extension ending in a first cylindrical nozz1e opening ab the end and adapted 130 receive and convey a spraying medium through said first nozzle opening a second body part having a bell-shaped portion spaced from and surrounding said cylindrical extension of said first body part so as 110 confine with said extension an annular ohamber, said bell-shaped portion containing an outwardly tapering part with a seoond cylindrical nozzle opening therein ar ranged in substantially axial alignment with but axially spaced from said second nozzle opening to provide a space between the nozzles for introducing the liquid 120 be dried, means oommunicating with said chamber for admitting liquid 130 be dried, and a third body part surroundim; said bell-shaped portion so as to confine therewith annular channel means and having a portion of said third body part profiled in conformity with but spaced from said tapering part so as 130 confine therewith a cone-shaped annular passage com municating with said channel means
  • a sprayer nozzle for drying 0r dehydrating liquids such a.s solutions, emulsions, and suspensions, thereby to transform the liquid being 6 treated into a substantially City powder comprising; a first body part comprising a downwardly directed cylindrical extension, said extensio-n being hollow and terminating at its 1ower end in a cylindrical nozz1e opening for a spraying medium, a seoond body part mounted on said first body part a.nd comprising a hollow cylindrical portion surrounding the cylindrical extension of the first body part and spaced therefrom, thereby define channel means With said cylindrical exten5ion, said second body part also comprising a second cylindrical nozzle opening in spaced coaxial relation with said first nozz1e opening whereby liquid to be dried can be introcluced through said ch-annel means and directed substantially at right ang1es to the stream of spraying medium passing from said first nozzle opening to said second nozz1e opening, and a third body part surrounding said.
  • said third body part in spaced relation therewith so as 130 define a. chamber f0r receiving a cooling medium, said third body part having a third nozzle opening surrounding the said second nozz1e opening anol co-planar therewith said second body part 0n the outside thereof surrounding the said second nozzle opening therein tapering inwardly tovv-ard the axis of the said second nozz1e opening toward the discharge end thereof, and said. third body part having a corresponding shape in the same region whereby the supply cf cooling medium to the third nozzle opening Will serve to prevent the formation of incrustations abouu the discharge end of the second nozzle opening.

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  • Nozzles (AREA)
US128511A 1948-11-26 1949-11-21 Sprayer nozzle Expired - Lifetime US2624624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2624624X 1948-11-26

Publications (1)

Publication Number Publication Date
US2624624A true US2624624A (en) 1953-01-06

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ID=7996256

Family Applications (1)

Application Number Title Priority Date Filing Date
US128511A Expired - Lifetime US2624624A (en) 1948-11-26 1949-11-21 Sprayer nozzle

Country Status (2)

Country Link
US (1) US2624624A (de)
CH (1) CH287500A (de)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3154228A (en) * 1961-09-13 1964-10-27 Alex Dreier Drapery pleating and pressing machine
US3191870A (en) * 1963-07-25 1965-06-29 Chemical Construction Corp Spray nozzle
US3224215A (en) * 1962-12-24 1965-12-21 Titan Gmbh Process and device for cooling a hot gas mixture containing tio2
US3326470A (en) * 1965-04-27 1967-06-20 Babcock & Wilcox Co Liquid atomizer
US3339286A (en) * 1965-03-11 1967-09-05 Fluid Energy Proc And Equipmen Method and apparatus for drying wet pulverulent material in a gaseous path
US3533558A (en) * 1967-05-17 1970-10-13 Niro Atomizer As Liquid atomizer nozzle
US3595482A (en) * 1968-02-19 1971-07-27 English Electric Co Ltd Spray devices
DE2212544A1 (de) * 1971-03-15 1972-09-21 Du Pont Zerstaeuberscheibe
US4691865A (en) * 1986-01-23 1987-09-08 Interlock Corporation Device for chilling stream of gas-suspended particles
US4746068A (en) * 1986-10-29 1988-05-24 Hewlett-Packard Company Micro-nebulizer for analytical instruments
US5513798A (en) * 1993-08-08 1996-05-07 Tavor; Elhanan Atomizer
US6076745A (en) * 1997-05-01 2000-06-20 Haldor Topsoe A/S Swirling-flow burner
US20060112589A1 (en) * 2003-09-19 2006-06-01 Herbert Huttlin Apparatus for treating particulate material

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008064083A1 (de) * 2008-12-19 2010-06-24 Messer Group Gmbh Vorrichtung und Verfahren zum Kühlen von Oberflächen

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1093996A (en) * 1910-05-16 1914-04-21 Paul Kestner Nozzle for ventilating and humidifying apparatus.
GB186148A (en) * 1921-06-21 1922-09-21 Herbert Alexander Thompson Improvements in the construction of spraying nozzles or atomisers
US1526429A (en) * 1922-08-22 1925-02-17 Albert W Morse Liquid-fuel burner
US1567482A (en) * 1919-12-10 1925-12-29 Alfred R Anthony Fuel burner
US1594641A (en) * 1921-06-25 1926-08-03 Starr Fletcher Coleman Method of and apparatus for atomizing
US1629144A (en) * 1921-10-15 1927-05-17 Burdick Charles Laurence Spraying apparatus
US1641581A (en) * 1926-05-01 1927-09-06 Egan James Oil burner
US1884931A (en) * 1930-08-23 1932-10-25 Coen Co Liquid atomizer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1093996A (en) * 1910-05-16 1914-04-21 Paul Kestner Nozzle for ventilating and humidifying apparatus.
US1567482A (en) * 1919-12-10 1925-12-29 Alfred R Anthony Fuel burner
GB186148A (en) * 1921-06-21 1922-09-21 Herbert Alexander Thompson Improvements in the construction of spraying nozzles or atomisers
US1594641A (en) * 1921-06-25 1926-08-03 Starr Fletcher Coleman Method of and apparatus for atomizing
US1629144A (en) * 1921-10-15 1927-05-17 Burdick Charles Laurence Spraying apparatus
US1526429A (en) * 1922-08-22 1925-02-17 Albert W Morse Liquid-fuel burner
US1641581A (en) * 1926-05-01 1927-09-06 Egan James Oil burner
US1884931A (en) * 1930-08-23 1932-10-25 Coen Co Liquid atomizer

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3154228A (en) * 1961-09-13 1964-10-27 Alex Dreier Drapery pleating and pressing machine
US3224215A (en) * 1962-12-24 1965-12-21 Titan Gmbh Process and device for cooling a hot gas mixture containing tio2
US3191870A (en) * 1963-07-25 1965-06-29 Chemical Construction Corp Spray nozzle
US3339286A (en) * 1965-03-11 1967-09-05 Fluid Energy Proc And Equipmen Method and apparatus for drying wet pulverulent material in a gaseous path
US3326470A (en) * 1965-04-27 1967-06-20 Babcock & Wilcox Co Liquid atomizer
US3533558A (en) * 1967-05-17 1970-10-13 Niro Atomizer As Liquid atomizer nozzle
US3595482A (en) * 1968-02-19 1971-07-27 English Electric Co Ltd Spray devices
DE2212544A1 (de) * 1971-03-15 1972-09-21 Du Pont Zerstaeuberscheibe
US4691865A (en) * 1986-01-23 1987-09-08 Interlock Corporation Device for chilling stream of gas-suspended particles
US4746068A (en) * 1986-10-29 1988-05-24 Hewlett-Packard Company Micro-nebulizer for analytical instruments
US5513798A (en) * 1993-08-08 1996-05-07 Tavor; Elhanan Atomizer
US6076745A (en) * 1997-05-01 2000-06-20 Haldor Topsoe A/S Swirling-flow burner
US20060112589A1 (en) * 2003-09-19 2006-06-01 Herbert Huttlin Apparatus for treating particulate material
US7802376B2 (en) * 2003-09-19 2010-09-28 Huettlin Herbert Apparatus for treating particulate material

Also Published As

Publication number Publication date
CH287500A (de) 1952-12-15

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