EP2595758B1 - Statischer sprühmischer - Google Patents

Statischer sprühmischer Download PDF

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Publication number
EP2595758B1
EP2595758B1 EP11717673.5A EP11717673A EP2595758B1 EP 2595758 B1 EP2595758 B1 EP 2595758B1 EP 11717673 A EP11717673 A EP 11717673A EP 2595758 B1 EP2595758 B1 EP 2595758B1
Authority
EP
European Patent Office
Prior art keywords
mixer
accordance
longitudinal axis
flow
static spray
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.)
Active
Application number
EP11717673.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2595758A1 (de
Inventor
Andreas Hiemer
Carsten Dr STEMICH
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.)
Medmix Switzerland AG
Original Assignee
Sulzer Mixpac 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 Sulzer Mixpac AG filed Critical Sulzer Mixpac AG
Priority to EP11717673.5A priority Critical patent/EP2595758B1/de
Publication of EP2595758A1 publication Critical patent/EP2595758A1/de
Application granted granted Critical
Publication of EP2595758B1 publication Critical patent/EP2595758B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • 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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0861—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with one single jet constituted by a liquid or a mixture containing a liquid and several gas jets
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/432—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa
    • B01F25/4321—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction with means for dividing the material flow into separate sub-flows and for repositioning and recombining these sub-flows; Cross-mixing, e.g. conducting the outer layer of the material nearer to the axis of the tube or vice-versa the subflows consisting of at least two flat layers which are recombined, e.g. using means having restriction or expansion zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00509—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the bayonet type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00513—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the thread type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00553—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components

Definitions

  • the invention relates to a static spray mixer for mixing and spraying of at least two flowable components according to the preamble of the independent claim.
  • the changing inclination of the flow channels is realized in that each groove seen in the flow direction has three successively arranged portions, wherein the central portion has a slope to the longitudinal axis, which is greater than the inclination of the two adjacent sections. It is particularly preferred if the central portion has an inclination to the longitudinal axis, which is greater than 45 ° and in particular less than 50 °.
  • the changing inclination is realized by having each groove in the direction of flow having a portion in which the inclination to the longitudinal axis continuously changes.
  • the bottom of the respective groove is designed curved, which can be achieved in particular by the fact that the inner surface of the atomizing sleeve or the outer surface of the mixer housing is formed curved in the direction of the longitudinal axis.
  • the outer surface of the mixer housing in the distal end region is at least partially designed as a frustoconical surface or as a curved surface in the axial direction in order to realize a particularly good interaction with the atomizing sleeve.
  • each groove is delimited by two walls, of which at least one is curved in the direction of flow.
  • the sputtering sleeve is connected thread-free with the mixer housing, for example, the sputtering sleeve is fastened by means of a sealing snap connection to the mixer housing
  • the inlet channel is arranged asymmetrically with respect to the longitudinal axis.
  • At least one static mixing element 3 is arranged in a manner known per se, which rests against the inner wall of the mixer housing 2, so that the two components can only pass through the mixing element 3 from the proximal end to the outlet opening 22.
  • Either several, successively arranged mixing elements 3 may be provided, or as in the present embodiment, a one-piece mixing element 3, which is preferably injection molded and consists of a thermoplastic.
  • Such static mixers or mixing elements 3 per se are well known to the person skilled in the art and therefore require no further explanation.
  • this snap connection is designed to be sealing, so that the atomizing medium - in this case not the compressed air can escape through this from the circumferential groove 43 and the survey 24 existing connection.
  • the atomizing sleeve 4 lies with its inner surface in a region between the mouth of the inlet channel 41 and the elevation 24 closely on the outer surface of the mixer housing 2, so that also a sealing effect is achieved, which prevents leakage or a reverse flow of the atomizing medium.
  • the grooves 5 may be curved, for example, arcuate or rectilinear or may be configured by combinations of curved and rectilinear sections.
  • FIG. 3 another perspective view of the atomizing sleeve 4 of the first embodiment, wherein the view into the atomizing sleeve 4 takes place in the flow direction.
  • Fig. 4 is a longitudinal section through the atomizing sleeve 4 is shown
  • the inclination ⁇ 1 may also be zero (see Fig. 4 ), that is, this section 52 may extend in the direction of the longitudinal axis A seen parallel to the longitudinal axis A.
  • the bottom of each groove 5 is part of a conical or truncated cone surface, wherein the cone angle ⁇ 2 in the central portion 53 is greater than the cone angle ⁇ 1 , ⁇ 3 in the adjacent sections 52 and 54.
  • Each of the grooves 5 is bounded laterally by two walls, which are formed by ribs 55, which are each arranged between two adjacent grooves 5. How this particular out Fig. 3 and Fig. 4 As can be seen, change these ribs 55 seen in the direction of flow their height H, which means their extension in the direction perpendicular to the longitudinal axis A radial direction. The ribs begin in the region of the mouth of the inlet channel 41 and in the first section 52 with a height of zero and then rise continuously until they have reached their maximum height in the central portion 53.
  • Fig. 5 shows a perspective view of the distal end portion 27 of the mixer housing 2 with the distal end 21.
  • the distal end portion 27 of the mixer housing 2 tapers toward the distal end 21.
  • the distal end region 27 is conical and comprises two successively arranged regions, namely an upstream flat region 271 and a steeper region 272 adjoining it means in the areas 271 and 272, the outer surface of the mixer housing 2 is configured in each case as a frustoconical surface, wherein the measured against the longitudinal axis cone angle of the flat portion 271 is smaller than the measured against the longitudinal axis A cone angle of the steeper region 272.
  • the flat portion 271 is configured with a cone angle of 0 °, that is, the flat portion 271 is then cylindrical.
  • the outer surface of the mixer housing 2 is then in the flat region 271, the lateral surface of a cylinder whose cylinder axis coincides with the longitudinal axis A.
  • FIG. 1 shows that sticks out in Fig. 5 illustrated distal end 21 of the mixer housing 2 on the sputtering 4 also.
  • the inner surface of the atomizing sleeve 4 is configured to cooperate with the distal end portion 27 of the mixer housing 2.
  • the provided between the grooves 5 ribs 55 of the atomizing sleeve 4 and the outer surface of the mixer housing 2 are close and sealing to each other so that the grooves 5 in the respective separate flow channel 51 between the inner surface of the Zerstäubungshülse 4 and the outer surface of the mixer housing 2 form (see Fig. 6 ).
  • the height H of the ribs 55 is so small that an annular space 6 exists between the outer surface of the mixer housing 2 and the inner surface of the atomizer sleeve 4.
  • the annular space 6 is in fluid communication with the inlet channel 41 of the atomizer sleeve 4.
  • the height H of the ribs 55 within the annular space 6 is not necessarily everywhere zero. As this particular from the Fig.
  • the grooves 5, which form the flow channels 51 do not extend exactly in the axial direction defined by the longitudinal axis A or inclined not only on the longitudinal axis, but the extension of the grooves 5 also has a component in the circumferential direction of the atomizing sleeve 4. Dies is particular from the illustration in Fig. 3 and in Fig. 6 seen. In addition to the inclination against the longitudinal axis A, the course of the grooves 5 is at least approximately helical or helical about the longitudinal axis A. Another measure that supports the formation of the twist is realized by the design of the ribs 55 which the walls of the Form grooves 5. Like this best Fig. 3 and Fig.
  • the flow channels 51 In order to increase the energy input from the sputtering medium to the exiting from the outlet opening 22 components, it is a particularly advantageous measure to design the flow channels 51 according to the principle of a Laval nozzle with a first narrowing in the flow direction and then expanding flow cross-section.
  • two dimensions are available, namely the two directions of the plane perpendicular to the longitudinal axis A.
  • One direction is referred to as a radial direction, which on the longitudinal axis A is meant perpendicular direction, which has radially outward from the longitudinal axis A.
  • the principle of the Laval nozzle can be realized in that in the middle steep section 53, the depth of the flow channels 51 in the flow direction decreases sharply. The depth becomes minimal where the mixer housing 2 makes the transition from the flat area 271 to the steeper area 272. Downstream of this transition, the depth of the flow channels 51 increases again, mainly due to the fact that here the outer surface of the mixer housing 2 part of a steeper truncated cone and the inclination of the inner surface of the Zerstäubungshülse 4 in the third section 54 remains substantially constant.
  • this first embodiment operates as follows.
  • the static spray mixer is connected by means of its connecting piece 23 to a storage vessel containing the two components separated from each other, for example with a two-component cartridge.
  • the inlet channel 41 of the atomizing sleeve 4 is connected to a source of the atomizing medium, for example a compressed air source.
  • the two components are discharged, get into the static spray mixer 1 and are intimately mixed there by means of the mixing element 3.
  • the two components after flowing through the mixing element 3, pass through the outlet region 26 of the mixer housing 2 to the outlet opening 22.
  • the compressed air flows through the inlet channel 41 of the atomizing sleeve 4 into the annular space 6 between the inner surface of the atomizing sleeve 4 and the outer surface of the mixer housing 2 , Obtained by the asymmetric arrangement a twist and passes from there through the grooves 5, which form the flow channels 51, to the distal end 21 and thus to the outlet opening 22 of the mixer housing 3.
  • the stabilized by the swirl compressed air flow meets the through the outlet opening 22 exiting mixed material, atomizes it evenly and transports it as a spray to the substrate to be treated or coated. Since in some applications the discharge of the components from the storage vessel takes place with compressed air or compressed air, the compressed air can also be used for the atomization.
  • An advantage of the static spray mixer 1 according to the invention can be seen in its particularly simple construction and production.
  • only three parts are required in the exemplary embodiment described here, namely, a one-piece mixer housing 2, a one-piece mixing element 3 and a one-piece atomizing sleeve 4, wherein each of these parts can be produced in a simple and economical manner by injection molding.
  • the particularly simple design also allows for - at least largely - automated assembly of the parts of the static spray mixer 1. In particular, no screwing these three parts are necessary.
EP11717673.5A 2010-07-20 2011-05-09 Statischer sprühmischer Active EP2595758B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11717673.5A EP2595758B1 (de) 2010-07-20 2011-05-09 Statischer sprühmischer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10170141 2010-07-20
PCT/EP2011/057379 WO2012010338A1 (de) 2010-07-20 2011-05-09 Statischer sprühmischer
EP11717673.5A EP2595758B1 (de) 2010-07-20 2011-05-09 Statischer sprühmischer

Publications (2)

Publication Number Publication Date
EP2595758A1 EP2595758A1 (de) 2013-05-29
EP2595758B1 true EP2595758B1 (de) 2015-03-18

Family

ID=43416439

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11717673.5A Active EP2595758B1 (de) 2010-07-20 2011-05-09 Statischer sprühmischer

Country Status (13)

Country Link
US (1) US10625282B2 (es)
EP (1) EP2595758B1 (es)
JP (1) JP5993371B2 (es)
KR (1) KR101852041B1 (es)
CN (1) CN103118798B (es)
BR (1) BR112012033175B8 (es)
CA (1) CA2805970C (es)
DK (1) DK2595758T3 (es)
ES (1) ES2533587T3 (es)
MX (1) MX2013000618A (es)
RU (1) RU2567638C2 (es)
TW (1) TWI566839B (es)
WO (1) WO2012010338A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2527041B1 (de) 2011-05-23 2018-08-29 Sulzer Mixpac AG Zwischenstück für einen statischen Sprühmischer
CN105563602A (zh) * 2016-02-19 2016-05-11 澳森木业赤壁有限责任公司 一种纤维板成型装置
RU170199U1 (ru) * 2016-11-23 2017-04-18 Общество с ограниченной ответственностью "Сахар Плюс" Статический смеситель
CN108236850A (zh) * 2016-12-27 2018-07-03 黑龙江吉纳森生物工程股份有限公司 一种涡流式溶气混合器及其应用
US11278924B2 (en) * 2017-11-21 2022-03-22 Wagner Spray Tech Corporation Plural component spray gun system
CN111097338A (zh) * 2018-10-29 2020-05-05 中国石油化工股份有限公司 一种液固径向移动床反应装置
US11498087B2 (en) * 2019-06-28 2022-11-15 Medmix Switzerland Ag Connecting device
RU2770129C1 (ru) * 2021-03-31 2022-04-14 Михаил Алексеевич Бажанов Форсунка распылителя

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ATE198839T1 (de) 1995-06-21 2001-02-15 Sulzer Chemtech Ag In einem rohr angeordneter mischer
EP0904844A4 (en) * 1996-06-10 2005-08-31 Nippon Telegraph & Telephone BIFLUIDAL ADJUSTMENT AND DEVICE USING SAID ADJUSTMENT TO FREEZE AND DRY BIOLOGICAL SUBSTANCES CONTAINING A LIQUID
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Also Published As

Publication number Publication date
KR20130093076A (ko) 2013-08-21
RU2567638C2 (ru) 2015-11-10
CA2805970A1 (en) 2012-01-26
BR112012033175B1 (pt) 2020-12-22
MX2013000618A (es) 2013-03-20
DK2595758T3 (en) 2015-06-08
CA2805970C (en) 2018-02-13
JP5993371B2 (ja) 2016-09-14
KR101852041B1 (ko) 2018-04-25
TW201221228A (en) 2012-06-01
CN103118798B (zh) 2015-08-12
CN103118798A (zh) 2013-05-22
EP2595758A1 (de) 2013-05-29
WO2012010338A1 (de) 2012-01-26
BR112012033175A2 (pt) 2016-11-29
US10625282B2 (en) 2020-04-21
RU2013107373A (ru) 2014-08-27
JP2013530832A (ja) 2013-08-01
ES2533587T3 (es) 2015-04-13
US20130119158A1 (en) 2013-05-16
BR112012033175B8 (pt) 2023-03-21
TWI566839B (zh) 2017-01-21

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