EP1915216A1 - Düse für sprühkopf - Google Patents
Düse für sprühkopfInfo
- Publication number
- EP1915216A1 EP1915216A1 EP06777591A EP06777591A EP1915216A1 EP 1915216 A1 EP1915216 A1 EP 1915216A1 EP 06777591 A EP06777591 A EP 06777591A EP 06777591 A EP06777591 A EP 06777591A EP 1915216 A1 EP1915216 A1 EP 1915216A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- swirl
- nozzle according
- shaped
- bore
- 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.)
- Granted
Links
- 239000007921 spray Substances 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 29
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003670 easy-to-clean Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
- B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
- B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
-
- 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
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
-
- 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
- B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
Definitions
- the present invention relates to a nozzle for a spray head, in particular a polyurethane mixing head, according to the preamble of claim 1.
- EP 0 389 014 B1 describes a generic nozzle which is used for an atomizing gun and serves to produce a polyurethane layer on a surface by spraying on the reaction components.
- the atomizing nozzle comprises a sputtering piece having a substantially funnel-shaped cavity which is connected on the one hand at its widest side to a supply channel for the reaction components for obtaining the polyurethane and on the other hand terminates at its narrowest point in a substantially cylindrical channel.
- a core member is provided which is adapted to direct the reaction components in a screw or swirling motion through said atomizing opening.
- Such a vortex movement is in principle also necessary, but at least advantageous to produce an optimal liquid lamella which disintegrates when discharging the material from the nozzle into the finest droplets.
- the object of the present invention is to provide a further alternative nozzle for a spray head, with which such a material discharge is achieved with a desired Austragskegel in an optimal manner.
- the nozzle also has in the present case a D ⁇ sen redesign, a swirl body and a D ⁇ senfest with a D ⁇ senbohrung.
- the swirler is now essentially disc-shaped or plate-shaped and has an annular web arranged thereon.
- the disk-shaped or plate-shaped part has radially outside the annular web at least one, but preferably a plurality of openings. These can be provided in the form of holes or grooves.
- the ring land is also at least at one point, but preferably at several points, radially penetrated from outside to inside by at least one substantially spiral-shaped groove.
- the swirl body and the nozzle insert are arranged in the nozzle body and the nozzle body is designed such that i) there is a flow connection between the material inlet and the at least one aperture opening, ii) radially outside the annular web and between the substantially disk-shaped or plate-shaped part and the nozzle insert an annular channel is formed, which is in flow communication with the at least one aperture opening, iii) radially within the annular land a swirl chamber is formed, iv) the swirl chamber via at least one spiral groove with the annular channel is in flow communication and v) the swirl chamber from D ⁇ senlang is covered so that the starting material exits through the nozzle bore from the swirl chamber.
- a discharge material is supplied via a material feed the nozzle body. From the material inlet, the material flows in the direction of the breakthrough openings. About the breakthrough openings, it enters the annulus outside of the ring land. From there it enters the swirl chamber via the essentially spiral-shaped grooves.
- the Austragsmaterial is provided in terms of movement with a swirl component and receives a rotational velocity component. From the swirl chamber the Austragsma- then ausspr ⁇ ht material over the nozzle bore. Due to the swirl component and the shape of the nozzle bore, an optimal discharge cone is created.
- the breakthrough openings can, as already mentioned above, be realized in the form of holes, but also of peripheral grooves in the substantially disc or plate-shaped part of the swirl body. Both the holes, as well as the grooves are quite easy to produce. It has proven to be particularly advantageous if the breakthrough openings are already realized with an inclination relative to the vertical of the disk-shaped or plate-shaped part. In this case, a swirl component is already given to the discharge material as it passes through the breakthrough openings and when flowing into the radially outer annular channel. Of course, in such a case, the inclination of the apertures and the shape of the helical grooves should be made coordinated with each other so as to enhance the swirling effects.
- the breakthrough openings and the spirally formed grooves are preferably circumferentially offset from each other. In this way, it is avoided that the starting material passing through the perforations also flows through the helical grooves immediately without at least partially flowing through the radially outer annular channel in the circumferential direction.
- the present nozzle should be particularly simple, easy to assemble and service. This is ensured by the fact that both the swirl body and the nozzle insert can in principle be removed.
- the nozzle insert can be screwed into the nozzle body, the swirling body being held in the nozzle body by screwing in the nozzle insert into the nozzle body.
- the D ⁇ sen emotions, the swirler and the nozzle insert can be made separately and then mounted in the simplest way.
- the ease of service and maintenance is given, since by simply unscrewing the nozzle insert and the swirl body can be removed and all elements are easy to clean.
- the swirl body can then be easily inserted into the nozzle body when the cavity in the form of a narrowing from the outside inward bore, in particular a stepped bore is formed.
- the swirler can rest against the wall of the cavity or be supported on a step.
- FIG. 1 shows a schematic partial sectional view of an inventive arranged on a mixing head lance
- FIG. 2 shows a perspective sectional view through the spray nozzle according to the invention from FIG. 1 and FIG.
- FIG. 3 shows a perspective view of the spray nozzle according to the invention from FIG. 1 in an exploded view.
- a spray head for a spray head.
- a spray nozzle is attached to a mixing head lance 10, which on a mixing head not shown a Polyurethane plant is arranged.
- a mixing head lance 10 which on a mixing head not shown a Polyurethane plant is arranged.
- Such a system - including such a mixing head - can be taken, for example, from FIG. 1 of EP 0 389 014 B1.
- such a mixing head is supplied with two reactive starting materials, for example polyol and isocyanate. These materials are then mixed together in the mixing head and then discharged. Via the spray nozzle, the reactive Austragsgemisch can then be applied to a surface where it reacts and forms a plastic skin.
- this skin may be formed with a groabten surface or otherwise structured surface. These skins can be further processed by injection molding or foam back, the skins themselves form the decorative surfaces.
- a mixing head lance 10 is initially arranged on the mixing head - not shown - at the lower end of which (in the present case an adapter piece 12) a spray nozzle is attached.
- the mixing head lance 10 makes it possible to spray even inaccessible places to which the mixing head otherwise could not penetrate.
- the mixing head lance 10 is provided with a central flow channel through which discharge material from the mixing head flows through the spray head connection to the spray nozzle.
- the adapter piece 12 adjoining the downstream end of the mixing head lance 10, the adapter piece 12, which is attached to the mixing head lance 10 by means of a union nut such that the discharge material through the central channel in the mixing head lance directly into the aligned thereto flow channel of the adapter piece 12 flows.
- an external thread is arranged on which a nozzle body of the Spr ⁇ hd ⁇ se can be screwed on.
- an internal thread 32 is arranged on a mounting flange 30 of the spray nozzle.
- the Spr ⁇ hd ⁇ se is presently substantially cylindrical and has perpendicular to the longitudinal axis of a provided with two stages 34 and 36 step bore.
- the step bore narrows through the steps 34 and 36 from outside to inside, wherein the steps 34 and 36 form a total annular heels or -auflagen.
- a swirl body 18 is supported radially on the outside. This swirler 18 is held by the nozzle insert 16 in abutment against the step 36.
- the nozzle insert 16 is formed substantially disc or cup-shaped with a central nozzle bore 26 and has at its radial outer periphery a thread 42. With this thread, the nozzle insert 16 can be screwed into the step bore, which has an internal thread at this point. When the nozzle insert 16 is completely screwed in, its lower end abuts against the swirl body 18 and holds it firmly in the nozzle body 14.
- the swirl body 18 has a substantially disc-shaped central part, which is broken by four edge grooves 44.
- the peripheral grooves have an inclination relative to the perpendicular to the disk-shaped part.
- an annular web 46 is arranged, which is also broken by four, from radially outward to radially inwardly extending grooves 48.
- the grooves may be straight or spiral.
- the annular rib 46 is formed flat at its upper, side facing away from the disc-shaped part side, so that it can rest tightly on the underside of the nozzle insert 16.
- a swirl chamber 24 is formed, which opens into the nozzle bore 26.
- reactive material is supplied through the central channel of the mixing head lance 10 and the Adapterst ⁇ cks 12 of Spr ⁇ hd ⁇ se. From the inflow chamber 20, the material flows via the four peripheral grooves 44 into the radially outside of the annular web 46 and between the nozzle insert 16, the plate-shaped part of the Swirl body 18 and the nozzle body formed annular space 28th
- the material is given a first swirling motion. Since - as can be seen in Fig. 3 - the peripheral grooves 44 and the annular ridge 46 by intersecting grooves 48 are arranged circumferentially offset, the material in the annular channel 28 must first flow in the circumferential direction. Here the material is given another twist.
- the material enters through the spiral grooves 48 in the swirl chamber 24, wherein it again comes to an increase of the twist when passing through the spiral grooves 48.
- the material contained in the swirl chamber 24 has thus been added via the peripheral grooves 44, the passage of the annular channel 28 and the spiral grooves 48 in a corresponding swirling motion and emerges from the Swirl chamber via the nozzle bore 26 to the outside environment.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06777591T PL1915216T3 (pl) | 2005-08-11 | 2006-07-05 | Głowica mieszająca |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005037972A DE102005037972A1 (de) | 2005-08-11 | 2005-08-11 | Düse für Sprühkopf |
PCT/EP2006/063904 WO2007017319A1 (de) | 2005-08-11 | 2006-07-05 | Düse für sprühkopf |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1915216A1 true EP1915216A1 (de) | 2008-04-30 |
EP1915216B1 EP1915216B1 (de) | 2009-03-11 |
EP1915216B8 EP1915216B8 (de) | 2009-07-01 |
Family
ID=36888995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06777591A Active EP1915216B8 (de) | 2005-08-11 | 2006-07-05 | Mischkopf |
Country Status (10)
Country | Link |
---|---|
US (1) | US20080142620A1 (de) |
EP (1) | EP1915216B8 (de) |
KR (1) | KR20080032055A (de) |
CN (1) | CN101237940B (de) |
AT (1) | ATE424930T1 (de) |
DE (2) | DE102005037972A1 (de) |
ES (1) | ES2322201T3 (de) |
PL (1) | PL1915216T3 (de) |
PT (1) | PT1915216E (de) |
WO (1) | WO2007017319A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009018294B4 (de) | 2009-04-21 | 2018-08-09 | Bayerische Motoren Werke Aktiengesellschaft | Mischvorrichtung |
US9174229B2 (en) | 2010-06-11 | 2015-11-03 | The Procter & Gamble Company | Dispenser having non-frustro-conical funnel wall |
US20110303767A1 (en) * | 2010-06-11 | 2011-12-15 | Scott Edward Smith | Dispenser having convergent flow path |
US9051722B2 (en) | 2011-03-04 | 2015-06-09 | Kohler Co. | Multi-spray bidet |
DE102012006048A1 (de) | 2012-03-27 | 2013-10-02 | Kraussmaffei Technologies Gmbh | Vorrichtung und Verfahren zum Aufbringen eines aus wenigstens zwei Komponenten bestehenden, reaktiven Gemisches auf ein Trägermaterial |
KR101362662B1 (ko) * | 2012-07-11 | 2014-02-13 | 주식회사 엠텍이엔지 | 제철설비용 냉각수분사체 |
FR2994866B1 (fr) * | 2012-09-04 | 2019-08-23 | Aptar France Sas | Tete de pulverisation de produit fluide et distributeur comprenant une telle tete de pulverisation. |
CN102850776B (zh) * | 2012-09-19 | 2014-10-15 | 宁波贝斯特聚氨酯有限公司 | 一种聚氨酯旋流器配件的制作方法 |
CN103801467A (zh) * | 2012-11-08 | 2014-05-21 | 欣宇科技(福建)有限公司 | 一种无垢丝状水花洒 |
CN103007656A (zh) * | 2012-12-05 | 2013-04-03 | 宣达实业集团温州环保科技有限公司 | 旋切流喷咀 |
CN103817027B (zh) * | 2014-02-12 | 2016-08-24 | 南京揽山环境科技有限公司 | 一种防沉积压力雾化喷嘴 |
CN104028396B (zh) * | 2014-06-09 | 2017-01-25 | 中国航空工业集团公司沈阳发动机设计研究所 | 一种大流量喷雾器装置 |
CN104772243B (zh) * | 2015-04-22 | 2015-12-02 | 中蓝能源(深圳)有限公司 | 固液两相工质压力雾化喷嘴 |
US10399129B2 (en) * | 2018-01-22 | 2019-09-03 | Terydon, Inc. | Reaction force nozzle |
US10618084B2 (en) | 2018-01-22 | 2020-04-14 | Terydon, Inc. | Reaction force nozzle |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1902225A (en) * | 1932-04-09 | 1933-03-21 | Forney Comb Engineering Compan | Fuel eurner |
US2307206A (en) * | 1940-03-14 | 1943-01-05 | Armour & Co | Spraying device |
US3112074A (en) * | 1961-11-29 | 1963-11-26 | Edward Howard Green | Spray head for an aerosol dispenser |
FR1322998A (fr) * | 1962-02-23 | 1963-04-05 | Perfectionnements aux dispositifs de production d'aérosols | |
US3441223A (en) * | 1967-03-08 | 1969-04-29 | Parker Hannifin Corp | Nozzle |
FR2116973A5 (de) * | 1970-12-09 | 1972-07-21 | Berthoud Sa | |
DE2356229C3 (de) * | 1973-11-10 | 1981-01-29 | Shigetake Kawasaki Kanagawa Tamai (Japan) | Kegelstumpfförmige, radiale Gaskanäle aufweisende Zerstäuberdüse |
DE2407856C3 (de) * | 1974-02-19 | 1978-09-14 | Ulrich Dipl.-Ing. 5160 Dueren Rohs | Einspritzdüse für flüssige Medien, insbesondere Kraftstoff |
DE2542240C3 (de) * | 1975-09-23 | 1981-07-30 | Lechler Gmbh & Co Kg, 7012 Fellbach | Hohlkegeldüse zum Zerstäuben von Flüssigkeit |
BE1000767A7 (nl) * | 1987-07-16 | 1989-03-28 | Recticel | Werkwijze en inrichting voor het vormen van een laag polyurethaan op een oppervlak door spuiten. |
EP0604741B1 (de) * | 1987-12-11 | 1998-05-13 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Dralldüse zum Zerstäuben einer Flüssigkeit |
BE1003015A6 (nl) * | 1989-03-20 | 1991-10-22 | Recticel | Spuitkop voor spuitpistool voor het vormen van een laag polyurethaan op een oppervlak. |
US5547132A (en) * | 1994-10-20 | 1996-08-20 | Calmar Inc. | Sprayer having variable spray pattern |
WO1996021517A1 (en) * | 1995-01-10 | 1996-07-18 | Spraying Systems Co. | Apparatus for spraying and atomizing liquid |
DE10138622C2 (de) * | 2001-08-13 | 2003-06-18 | Alfons Kenter | Zerstäuber zum Vernebeln einer Flüssigkeit |
US7320440B2 (en) * | 2005-02-07 | 2008-01-22 | Pratt & Whitney Canada Corp. | Low cost pressure atomizer |
-
2005
- 2005-08-11 DE DE102005037972A patent/DE102005037972A1/de not_active Withdrawn
-
2006
- 2006-07-05 PT PT06777591T patent/PT1915216E/pt unknown
- 2006-07-05 KR KR1020077031034A patent/KR20080032055A/ko not_active Application Discontinuation
- 2006-07-05 WO PCT/EP2006/063904 patent/WO2007017319A1/de active Application Filing
- 2006-07-05 PL PL06777591T patent/PL1915216T3/pl unknown
- 2006-07-05 DE DE502006003113T patent/DE502006003113D1/de active Active
- 2006-07-05 EP EP06777591A patent/EP1915216B8/de active Active
- 2006-07-05 ES ES06777591T patent/ES2322201T3/es active Active
- 2006-07-05 CN CN2006800261999A patent/CN101237940B/zh active Active
- 2006-07-05 AT AT06777591T patent/ATE424930T1/de not_active IP Right Cessation
-
2008
- 2008-02-01 US US12/024,501 patent/US20080142620A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2007017319A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1915216B1 (de) | 2009-03-11 |
CN101237940A (zh) | 2008-08-06 |
CN101237940B (zh) | 2010-11-17 |
DE502006003113D1 (de) | 2009-04-23 |
EP1915216B8 (de) | 2009-07-01 |
DE102005037972A1 (de) | 2007-02-22 |
KR20080032055A (ko) | 2008-04-14 |
US20080142620A1 (en) | 2008-06-19 |
ES2322201T3 (es) | 2009-06-17 |
ATE424930T1 (de) | 2009-03-15 |
WO2007017319A1 (de) | 2007-02-15 |
PT1915216E (pt) | 2009-04-24 |
PL1915216T3 (pl) | 2009-08-31 |
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