EP0853503B1 - Strömungsteilungseinrichtung - Google Patents
Strömungsteilungseinrichtung Download PDFInfo
- Publication number
- EP0853503B1 EP0853503B1 EP96934705A EP96934705A EP0853503B1 EP 0853503 B1 EP0853503 B1 EP 0853503B1 EP 96934705 A EP96934705 A EP 96934705A EP 96934705 A EP96934705 A EP 96934705A EP 0853503 B1 EP0853503 B1 EP 0853503B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flow
- channel
- channels
- dividing
- substance
- 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
Links
- 239000000126 substance Substances 0.000 claims abstract description 58
- 238000004140 cleaning Methods 0.000 claims description 24
- 238000009826 distribution Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 5
- 230000009969 flowable effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
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- 238000010276 construction Methods 0.000 description 2
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- 230000006872 improvement Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004040 coloring Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/40—Inking units
-
- 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
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/10—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the liquid or other fluent material being supplied from inside the roller
-
- 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
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S366/00—Agitating
- Y10S366/03—Micromixers: variable geometry from the pathway influences mixing/agitation of non-laminar fluid flow
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/85938—Non-valved flow dividers
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/877—With flow control means for branched passages
- Y10T137/87877—Single inlet with multiple distinctly valved outlets
Definitions
- the invention relates to a flow dividing and converting device for flow division and flow reshaping of flowable and / or gaseous substances, comprising a long extending body longitudinal axis Body and at least one division system in which the Substances from one the substance in a summarized flow leading total current channel to a number of along the Body arranged openings that are one in body length extending narrow exit area are assigned, is performed, the total current channel in two the total current sharing substance at a first division point Channels of a first division level branched and at least a further division level is subordinate, in the the corresponding division point of each channel end of the previous one Level in two each dividing the flow and in opposite directions along the body's longitudinal direction deflecting channels branched.
- the inside of the flow channel body arranged flow channel system are in particular Work functions assigned in both flow directions.
- the flow channel body is preferably part of a Application device, e.g. a screen cylinder circular stencil printing machine. He can in such a spar Machine installed or attached to a support beam.
- the Flow channel body can also be used for other purposes uniform fluid distribution can be used.
- a generic flow channel body is from WO 94/17927 known.
- a total current channel arranged by a face Connection opening goes out, leads to the longitudinal center of the flow channel body.
- Current is divided there by means of a T-shaped channel branch.
- This well-known Flow division takes place immediately after a 90 ° flow deflection from the longitudinal direction in the transverse direction with a subsequent 90 ° double deflection, which the actual division forms.
- Known facilities of the generic type Art only meet some of the demands placed on them Requirements, and only with restrictions. In particular So far there is no facility with which the area is also very busy large flow rates with all substances from aqueous to highly viscous, and especially for relatively large working widths, in particular 3 to 5 Meters, can be mastered with division accuracy.
- A shows a well-known T-pipe branch.
- B are a relatively long flow path Q before Flow branching and the two shorter T-branch paths of equal length L1 and L2 with associated outflow resistances G1 and G2 shown. Only if the route Q is sufficiently long and the distances L1 and L2 are the same length flow halving can be expected.
- Fig. C shows a known flow channel body, which is an elongated Has plate in which a flow channel system continued division into halves is incorporated. The whole Body includes two such plates, which are mirror images are produced and with the view surface shown in Fig. C be sealed together.
- C is the Longitudinal stretch of the flow channel body shown crowded. It can e.g. 10 times bigger. You put it e.g.
- a main object of the invention is a flow channel body for multiple flow division and reshaping in particular for an application device such as a printing press or the like. to create with which the substance management with regard uniform width distribution significantly improved is, for thin substances up to viscous substances, even with particularly large working widths, large amounts of substance and / or increase in production speed an application machine, in particular also mechanical body strength with relative yet small construction cross section should be improved.
- the goals are linked to the characteristics of the input mentioned flow channel body achieved in that the Total current channel in parallel at the first division point and concurrent substance in the same direction passes leading sections of partial flow channels, where the flow in the area before, at and after the division point runs straight or at least almost straight.
- the invention becomes exact halving division in particular accomplished that the flow area before, on and after the division point by at least almost as a whole straight, linear flow path is formed.
- the rectilinear Flow division is provided. The flow division occurs regardless of a subsequent directional branch and flow deflection. As has been found becomes the division quality due to the parallel flow branching and only afterwards branching significantly improved.
- the substance division according to the invention leads in the first division stage even if subsequent ones Steps through conventional T-shaped branches be formed to a significant improvement in the Width distribution. This improvement is for very different Substance viscosities, relatively large substance throughput and achieved relatively large working widths.
- the channel transition between the first and the subsequent Different from known flow channel bodies much smaller wall thicknesses or instead, provide appropriately larger duct cross sections. Large channel cross-sections achievable in the area of substance introduction and thus allow large funding volumes to be achieved especially also, with particularly viscous, just barely flowable substances to work.
- connection opening with preferably about 20-50 mm diameter inflowing substance of an aqueous liquid, of any viscosity or gaseous nature will be reliably even in successive Graduation levels each in exact halving, so halved several times, divided, the partial streams to lengths extends in particular from about 2 to 5 meters, i.e. diverged and be stretched.
- the measure of the division length of the web width and thus the Print or working width In an application facility, e.g. for a round template application the measure of the division length of the web width and thus the Print or working width.
- the outflow of the respective Working width of the substance divided in half takes the form of a homogeneous and uniformly emerging Substance layer. At least it will be a broad rimpedement to such a layer, film or broad jet Outflow achieved.
- the outflow of application substance is largely low-pressure, i.e. almost depressurized, namely very close to the application zone. Injecting leakage under pressure would cause application errors.
- the invention Flow channel body is also suitable for cleaning purposes, cleaning liquid in contrast to Application substance flows out at high pressure.
- the flow channels are such that even with reverse flow operation for the purpose of emptying the flow channel system and also for that Sucking off substance and substance water mixture from the Application zone more optimal through the exit opening area Flow flow is given.
- the flow channel body is not only for self-cleaning by simply flowing through different ones Suitable substances, but also for other Usable for cleaning purposes, e.g. for cleaning Share an application device, and in particular also for cleaning a round template. After cleaning can the cleaning liquid expediently by the Flow of gas (compressed air) can be removed.
- the one directly to an end, especially one Pipe or hose connection coupling having a connection opening subsequent channel carrying the total current and the in linear extension further adjoining flow path with two parallel channel sections to the middle of the body can be conveniently incorporated into the body or in a provided on the outside of the body extending pipe his.
- the division parallel channel sections preferably begin in the first third of the way, but at least at the beginning of the last Wegviertel.
- is centered in one Pipe a dimensionally constructed inner wall arranged to with this pipe bisection the two division parallel duct sections to build.
- the straight-line bisection flow section preferably comprises parallel channel sections with the same flow cross-section and the same cross-sectional shape, which are separated in and out of transverse body directions, remaining separate, in 180 ° opposite body longitudinal directions be redirected.
- a particularly beneficial one Invention design is that in the narrow, parallel substance exit area extending to the longitudinal axis of the body Outlet channels with a transverse course to the longitudinal axis of the body are arranged obliquely. It is particularly advantageous one arranged transversely to the longitudinal axis of the body, over which to provide the entire working width of the outlet gap, whose gap cross-sectional width is preferably in The range is from 0.2 to 2.0 mm and this is also expedient by means of an attached to the flow channel body from the outside Wall can be provided.
- the cross sections of the flow channels are very advantageous of the flow channel body according to the invention in particular in the last division levels before and in the substance exit area and possibly also the flow cross section of an outlet gap dimensioned so that outflowing application substance practically depressurized, i.e. largely depressurized flows out and follows gravity while Cleaning liquid for cleaning doctor blade parts in front of the outlet area under pressure, namely advantageous as if the spraying through one over the Working width extending wide jet nozzle is generated where a liquid jet is closed over the working width is generated at a distance of about 20 to 80 mm from the outlet openings or from the outlet gap opening has the greatest cleaning power.
- a substance supply device such as a pump in Connection with an optimally continuously promoting feed control provided to pressure surges in the substance feed to avoid.
- the flow channel body 1 is a connection opening having connecting channel body 101 and other so-called Additional channel bodies 102 and 103 joined together. Appropriately the individual bodies are glued together.
- the connection channel body 101 comprises a tube with a circular cross section, in which two graduation levels are formed.
- the tube forms a support bar tube 16, which extends over the length of the device the application width of a work order area 81 as a web or the like. extends. This is in the working direction B movable in a horizontal position, being on a Magnetic table 82 rests.
- FIG. 1 A flow channel body according to the invention shown in FIG. 1 1, which will now be described in more detail, with its load-bearing partial body 15, which is plate or bar-shaped, also expediently as a supporting beam device in an application device be used.
- the flow channel body 1 comprises a pipeline assembled from pipes 140, 141 and 142 14 and the massive channel body 15. This extends long along its body longitudinal axis 10.
- the pipe 14 is above the upper longitudinal side 151 of the channel body 15 arranged with which they are parallel to one another Front extends to the middle of the body.
- the pipeline 14 comprises an overall sewer pipe 140 on the end face with a rectangular, preferably square cross-section.
- a pipe or hose feed line 143 is via a coupling connection to the front port 2 of the Tube 140 connectable.
- In the other end of the straight tube 140 are straight parallel in sealing connection adjacent duct pipes 141, 142 inserted.
- Each Pipe 141, 142 has exactly the exception of the wall thickness half cross-section of the tube 140, so advantageously the Half-square cross-section of the tube 140.
- the tube 140 forms According to the invention, the total current channel K1 in a straight line Connection to the sub-duct pipes 141, 142, which are rectilinear continued sections of partial flow channels K2a and K2b form.
- the division point T1 is the one according to the invention Parallel flow division at the flush front cross sections of tubes 141, 142 are formed.
- This division office T1 is, viewed from the connection opening 2, on End of the first third of the whole linear straight line Extension of the pipeline 14 in the area between the end face of the body and the body longitudinal center. This means, that the straight length of each tube 141, 142 is twice that long as the total flow channel K1.
- the semi-flow tubes 141, 142 are in the area of the body longitudinal center each deflected with an arc of 90 °, and they are in a mirror-symmetrical arrangement to the central transverse plane M1 of the solid channel body 15 flanged to it.
- the channels K2a and K2b are through in the channel body 15 incorporated channels continued, the same Cross-section and the same cross-sectional shape as the pipes 141, 142. This takes place in the channel body 15 continued flow division.
- channels K2a and K2b each have a profile further change of direction of the two channels by 90 ° to 180 ° diverging, extending parallel to the longitudinal axis 10 of the body straight sections of channels K2a and K2b.
- Subsequent graduation levels can be designed in a conventional manner.
- channel sections perpendicular to the body longitudinal axis 10 branch at division points T3, T4 in the usual way into the two T-arm sections of the subsequent division stage.
- the branching of direction and flow takes place at one and the same place, in other words very differently than the division according to the invention in the first stage.
- Fig. 1 for the second division stage shown.
- the longitudinal axes parallel in the channel body 15 with it straight sections of the channels K2a and K2b go to the associated division point T2a and T2b in two parallel sections of Partial flow channels K3a1, K3a2 or K3b1, K3b2 via.
- a partition 40 is formed, which continues in a straight line of the channels K2a, K2b, the thereby formed Partial flow channel sections exactly half the flow cross-section of the channels K2a, K2b.
- the rectilinear flow division again independent and separate from the one that follows Change of direction by 90 ° in the direction perpendicular to the longitudinal axis of the body 10 and again by 90 ° in the direction parallel to Body longitudinal axis 10.
- the channels K3a1, K3a2 and K3b1, K3b2 also in the first curvature and the subsequent one straight section perpendicular to the body longitudinal axis 10 separated by the partition 40.
- the longitudinal section according to view A-B in Fig. 4 shows the division structure according to the invention described in another embodiment.
- the support tube 16 is a length and cross section corresponding to that Tube 16 dimensioned solid body 160 advantageously in an adhesive connection inserted sealingly and with a perfect fit in the tube 16.
- the channels K1, K2a, K2b are the division according to the invention and channels K3 of the following Graduation level trained and incorporated.
- a feed line 143 in coupling connection in a connection opening 2 with a circular cross section is used.
- the flow cross section becomes flat convex curved inner surface in half the circular cross section of the Channel K1 of the tube 16 is formed.
- the division point Tl is through the front edge a partition 4 is formed, which is in the central longitudinal axis 10 of the tube 16 extends and the semicircular flow cross section of the total current channel K1 exactly halved.
- the division point T1 is, in the flow direction of seen the connection opening 2 ago, at the end of the first third the jointly straight flow path length of the channels K1, K2a and K2b provided.
- the straight section of the Channel K2a is thereby in the cross-sectional area of the quadrant K2a + b convicts that it is inclined by a diagonal Floor through opening 42 in the then in the other longitudinal half of the pipe 16 straight section of the Channel K2a is transferred.
- the opposite by 180 ° Directional channel sections of channels K2a, K2b in The area of the quadrant K2a + b has the same length.
- the division of the channel system becomes more conventional Way continued. This is done after a flow deflection through 90 ° through a passage 43 the transition into a T-division with the associated parallel axes Channels K3. 4, extend the channels K3 in the area of the fourth cross-sectional quadrant of the tube 16.
- the cross-sectional inside of the tube 16 and the Cross-section of the inner body 160 has partial longitudinal sections of the tube 16 a cross-shaped structure with the free quadrant areas for the channels. By concave curves of the channel walls in the inner cross-sectional corners the body strength is further increased.
- the channel ends of channels K3 end in Through openings 44 in the wall of the tube 16, namely in Mantle section of the fourth quadrant.
- the pipe length Passages 44 of the second division level with five subsequent ones Division levels connected. These five levels of division more conventional Kind are in the wall of the additional channel body 102 incorporated. This extends under the support tube 16 to the inner wall area of the round template 80.
- the spacing of the outlet openings 3 is from center of opening to center of opening, as found, advantageous 5 to 15 mm.
- Pitch of 1600 mm: 128 12.5 mm reached.
- the outlet openings 3 open out in an inclined gap 31 which extends over the working width and in this length with its slot opening to that Doctor element 9 is open in the area of the contact zone 90.
- the gap 31 in the profile cross section is below a flat one Angle directed towards the application surface 81. It it has been found that the measured in the profile cross section Gap width (distance between the gap walls) advantageous 0.5 to 1.5 mm. It has been shown that this dimensioning, advantageous in connection with the pitch in Range from 0.5 to 1.5 mm for the outlet openings, straight then when at least the first stage of the multiple division formed dividing system with the invention Power division and redirection is very cheap is. Experiments have excellent breadth distribution results for very different flow rates, viscosities and funding benefits.
- the nozzle length of the gap 31 in the oblique direction on the doctor element 9 is preferably in the range of 5.0 to 25 mm.
- substance to be applied occurs at the slot opening of the oblique gap 31 practically perpendicular, gravity following in evenly closed over the application width Layer down while on the other hand the Inclined gap 31 for cleaning fluid a kind of wide jet nozzle forms, with the cleaning substance in the oblique direction the gap is blasted onto the doctor element.
- the emergence of the application substance proves in a range of approx. 20 to 80 mm in front of the squeegee line as particularly advantageous, and on the other hand is found been that the cleaning effect of the wide jet of Cleaning fluid optimally at a distance of 20 to 80 mm is usable.
- this channel system comprises channels K1, K2a and K2b of the parallel flow division according to the invention and Deflection guide and also with the ends of the channels K2a and K2b connected channels KR3, which is a conventional T channel division stage form, with yet another T-channel division stage with KR4 channels.
- the KR3 channels and KR4 of the second and third division levels are in the Additional channel body 103 incorporated.
- This is like the additional channel body 102 additionally attached to the support tube 16, where at the end of the channel K2a and K2b in the wall of the tube 16 is provided with a closable opening 45 is.
- the Closing opening 45 opened so that cleaning fluid too enters the second division system.
- the end advantageously eight channels KR4 also at an angle to the exit area of the application substance directed into the body 103 incorporated longitudinal gap.
- this slit nozzle for Cleaning liquid can advantageously the inner surface of the Channel body 102 cleaned in the area of the exit area 300 become.
- the cleaning function with regard to nozzle effect and width distribution has in connection with the invention first division level was found to be particularly cheap and effective.
- FIG. 3 is a support bar tube 16 designed accordingly as in the embodiment 2 and 4.
- additional channel body 102 ' provided that covers the entire bottom of the tube 16.
- the tube 16 and body 102 ' are preferably through Adhesive sealed together, channels K4, K5 and K6 on the side from which it is worked into the body 102 ' have been in their longitudinal extension by means of the tubular jacket are covered.
- the support bar tube 16 in Fig. 3 is compared to the arrangement in Fig. 4 rotated so that the channels K3 in the region of a rear wall 17 in the working direction B come to lie. This spatial arrangement is favorable to in this area with openings 44 connects to the channels To provide K4.
- the rear attached to the support bar tube 16 and the partial body 102 'enclosing longitudinal wall 17 extends up to the vicinity of the inner surface of the round template 80.
- the area of its lower edge is permanently magnetic Sliding and holding part 91 for a magnetizable doctor roller 9 arranged.
- the outflow area 300 for substance is at the bottom of the additional channel body 102 'provided at a distance lies above the doctor roller 9.
- the ends of the channels K7 last graduation level end in assigned slant tubes 32.
- the tubes Viewed in working direction B, the tubes run 32 obliquely from top to bottom, pointing to the investment area the doctor roller 9 against the sliding and holding element 91st are aligned, namely perpendicular to the longitudinal axis 10 of the body of the tube 16.
- the outlet openings of the tubes are located here 32, seen in working direction B, in front of the doctor roller 9.
- the substance flows following gravity in a substantially perpendicular direction to the application area 81 downwards and forms a substance supply in front of the doctor roller 9.
- the inclined Tube an oblique jet with which the doctor roller in the upper Area and in the contact area on the element 91 cleaned becomes.
- the Inclined tube 32 with the same outlet opening of a diameter of preferably 3 to 6 mm. Has also it turned out to be very favorable, the openings in the pitch from 5 to 15 mm together.
- the inclined gap channel can be provided.
- FIG. 5 shows the flow channel body shown in FIG. 3 1 in partial view C, and only on one end of the Flow channel body 1.
- FIG. 6 and 7 show a flow channel body 1, the one Has body part 150 with a square overall cross section.
- the body part that extends over the total length of the device 150 is made of two flat tubes 150.1 and 150.2 the same cross section put together.
- the furnishings correspond to those described above Embodiments. So the lead 143 on the Connection opening 2 with the short piece compared to the total length Total sewer pipe 140 connected, and at the exit of Tube 140 branches the total flow at the division point T1 into the parallel and adjacent sections of the Partial flow channels K2a, K2b.
- the directly to the division point T1 adjoining rectilinear section of channel K2a provided much shorter than the parallel section of the Channel K2b.
- 150.1, 150.2 each have a sealing element 18 in the form of a sealing plug used, the sealing element 18, in the direction of seen flow to be shared, immediately behind an associated Bottom opening 41, 42 is located in the tubes 150.1, 150.2.
- the opening 41 of the channel K2a is located from the Connection opening measured in the first quarter of the total length of the facility, while the opening 42 of the channel K2b is in the third quarter of the total facility length.
- the shorter section formed by the channel K2a expediently an adjustable throttle element 19 with a displacement part 190 assigned.
- the throttle element is formed by a rod which from the device face opposite the connection opening 2 11 protrudes into the flat tube 150.1 and in a longitudinal bore parallel to the sealing element 18 engages in the sealing sliding seat. This sliding connection is therefore substance-tight.
- the staff is outside the front 11 so long and with a handle provide that its free, facing the division point T1 End any position between the division point T1 and can take the sealing element 18.
- the rod of the throttle element 19 has a circular cross section on. With such a cylinder rod, the substance delivery rate so far in the short partial flow channel section be throttled that in this short section of the canal K2a and in the long partial flow channel section K2b the same Substance delivery amount introduced into the openings 41, 42 becomes.
- the free end of the rod throttle element 19 thus forms a substance displacement part with adjustable position. It extends centrally in the cross section of the flat tube 150.1. It is very advantageous that by means of the throttle rod if necessary, also an uneven substance distribution the openings 41, 42 can be provided. Additional advantages the configuration consists in that the flow channel body in comparison with a channel K2a, K2b having the same length Body with the same flow rate with less Body cross section is producible and a comfortable adjustment different substance viscosities.
- the closure element 13 is formed by a round rod, whose diameter is the narrow inside width of the Flat tube corresponds to 150.1.
- the closure element 13 is in a pipe connector 12 arranged which the total flow duct pipe 140 connects to the double tube body part 150.
- the closure element rod is standing 13 on the outside of the connecting piece 12 by passes through an associated through hole.
- the entrance opening of the Flat tube 150.1 or the partial flow channel K2a completely be closed, directly at the division point T1.
- the diameter of the rod closure element comes 13 corresponding wall part 120 of the connector 12 clamped between the tube 140 and the body part 150 to lie, the wall part 120 facing the opening 2 towards the continuation of the adjacent wall parts of the Flat tubes 150.1, 150.2 forms.
- the complete shut-off of the K2a channel can be used for special Print results, e.g. for coloring flags that are half different are used in a particularly advantageous manner become.
- the closure element 13 can be useful but can also be used as a metering throttle element, by moving it into position as shown in Figs brought, which is the input cross section of the partial flow channel K2a only partially closes.
- the arrangement of the element 13 is also particularly advantageous in connection with 6 and 7 are provided, and in addition to or instead of the arrangement of what is described there Throttle element 19.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Coating Apparatus (AREA)
- Vehicle Body Suspensions (AREA)
- Nuclear Medicine (AREA)
- Massaging Devices (AREA)
- External Artificial Organs (AREA)
- Chairs Characterized By Structure (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Nozzles (AREA)
- Confectionery (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
- Fig. 1
- in Längsansicht einen erfindungsgemäßen Strömungskanalkörper in kombinierter Bauform mit Rohrkörper und Quaderkörper,
- Fig. 2
- im Teillängsschnitt in Draufsicht den Teil eines erfindungsgemäßen Strömungskanalkörpers mit in einen Rohrkörper eingesetztem Massivkörper,
- Fig. 3
- im Profilquerschnitt erfindungsgemäße und 4 Strömungskanalkörper, die aus mehreren Teilkörpern zusammengesetzt sind,
- Fig. 5
- in Teillängsansicht den stirnseitigen Endbereich des Strömungskanalkörpers gemäß Fig. 3,
- Fig. 6 bis 7a
- in Teillängsschnitten und -querschnitten einen erfindungsgemäßen Strömungskanalkörper und
- Fig. 8 bis 10
- in Teillängsansicht und -querschnitt einen erfindungsgemäßen Strömungskanalkörper.
Claims (16)
- Strömungsteilungs- und -umformungseinrichtung (1) zur Strömungsteilung und Strömungsumformung von fließfähigen und/oder gasförmigen Substanzen, umfassend einen lang sich erstreckenden, eine Körperlängsachse (10) aufweisenden Körper und wenigstens ein Teilungssystem, in dem die Substanzen von einem die Substanz in zusammengefaßter Strömung führenden Gesamtstromkanal (K1) zu einer Reihe von längs des Körpers angeordneten Öffnungen (3), die einem in der Körperlänge sich erstreckenden schmalen Austrittsbereich (300) zugeordnet sind, geführt wird, wobei der Gesamtstromkanal (K1) in zwei den Gesamtstrom an einer ersten Teilungsstelle (T1) teilende, Substanz führende Kanäle einer ersten Teilungsstufe verzweigt und wenigstens eine weitere Teilungsstufe nachgeordnet ist, in der an der zugehörigen Teilungsstelle jedes Kanalende der vorangehenden Stufe in jeweils zwei die Strömung teilende und sie in entgegengesetzte Richtungen entlang der Körperlängsrichtung umlenkende Kanäle verzweigt, dadurch gekennzeichnet, daß der Gesamtstromkanal (K1) an der ersten Teilungsstelle (T1) in zwei parallel und nebeneinander verlaufende, Substanz in gleiche Richtung führende Abschnitte von Teilstromkanälen (K2a, K2b) übergeht, wobei die Strömung im Bereich vor, an und nach der Teilungsstelle (T1) geradlinig oder zumindest nahezu geradlinig verläuft.
- Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß, in Richtung der zu teilenden Strömung gesehen, die erste Teilungsstelle (T1) in dem Bereich des zumindest nahezu geradlinigen Strömungsverlaufs vor Beginn des letzten Bereichsviertels und vorzugsweise in dem ersten Bereichsdrittel vorgesehen ist.
- Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die beiden Parallelabschnitte der Teilstromkanäle (K2a, K2b) den gleichen Strömungsquerschnitt und vorzugsweise auch die gleiche Querschnittsform aufweisen.
- Einrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die den zumindest nahezu geradlinigen Strömungsverlauf bildenden Abschnitte der Kanäle (K1, K2a, K2b) in wenigstens einer vorzugsweise von der Körperstirnseite bis zur Körperlängsmitte sich erstreckenden Strömungsleitung (14) ausgebildet sind, die besonders vorteilhaft im Bereich der Körperlängsmitte mit einem die weiteren Teilungsstufen aufweisenden Kanalkörper (15) verbunden ist (Fig. 1).
- Einrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die den zumindest nahezu geradlinigen Strömungsverlauf bildenden Abschnitte der Kanäle (K1, K2a, K2b) in einem Tragholmrohr (16) ausgebildet sind.
- Einrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß ein Kanalrohr (14, 16) vorgesehen ist, in dem die den zumindest nahezu geradlinigen Strömungsverlauf bildenden Abschnitte der Kanäle (K1, K2a, K2b) dadurch ausgebildet sind, daß in das Kanalrohr eine parallel mit dem Kanalrohr über einen Teil seiner Länge sich erstreckende Trennwand (4) eingefügt ist, mittels der die beiden parallelen Abschnitte der Teilstromkanäle (K2a, K2b) gebildet sind.
- Einrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Strömungskanalkörper (1) aus einem die Anschlußöffnung (2) aufweisenden Anschlußkanalkörper (101) und wenigstens einem zusätzlichen längsachsenparallel sich erstreckenden Zusatzkanalkörper (102, 103) zusammengefügt ist, wobei jeder Zusatzkanalkörper (102, 103) wenigstens eine Teilungsstufe aufweist, daß ein Zusatzkanalkörper (102) mit der Reihe Öffnungen (3) versehen ist und daß vorzugsweise jeder Zusatzkanalkörper (102, 103) im Raumbereich zwischen dem Anschlußkanalkörper (101) und einer dem Strömungskanalkörper (1) zugeordneten Arbeitsfläche (81) angeordnet ist.
- Einrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die parallel und nebeneinander verlaufenden, Substanz in gleiche Richtung führenden Kanalabschnitte in solche Kanalabschnitte der zugehörigen Teilstromkanäle (K2a, K2b) übergehen, die in bezug auf eine zur Körperlängsachse (10) senkrecht gerichtete Querebene (M1) spiegelsymmetrisch verlaufen.
- Einrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß in dem Strömungskanalkörper (1) wenigstens zwei voneinander getrennte Teilungssysteme ausgebildet sind, wobei ein Teilungssystem zur Breitenverteilung von Auftragungssubstanz und sämtliche Teilungssysteme zur Breitenstrahlbildung für Reinigungsflüssigkeit vorgesehen sind (Fig. 4).
- Einrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Gesamtstromkanal (K1) und die Abschnitte der Teilstromkanäle (K2a, K2b) und gegebenenfalls Kanäle (K3) mindestens einer nachfolgenden Stufe in Querschnitts- und Längserstreckung gleichmäßig räumlich in der Quer- und Längsdimension des Strömungskanalkörpers oder eines Strömungskanal-Teilkörpers wie insbesondere eines Tragholmrohres (16) verteilt angeordnet sind, wobei vorzugsweise der Körperquerschnitt in vier Quadranten mit jedem Quadranten zugeordneten gleichen Kanalquerschnitt unterteilt ist (Fig. 3, 4).
- Einrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß in dem Teilungssystem wenigstens eine nachfolgende Teilungsstufe in der gleichen Weise wie die erste Teilungsstufe mit Substanz in gleiche Richtung führenden Parallelabschnitten von Teilstromkanälen (K3a1, K3a2) ausgebildet ist (Fig. 1).
- Einrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Kanäle (K7) der letzten Teilungsstufe dicht aneinander gereihte Austrittskanäle mit gleicher Austrittsöffnung eines Durchmessers von vorzugsweise 3 bis 6 mm sind.
- Einrichtung nach Anspruch 12, dadurch gekennzeichnet, daß der Substanzaustrittsbereich durch mindestens einen quer, vorzugsweise senkrecht zur Körperlängsachse (10) schräg gerichteten Kanalabschnitt gebildet ist, wobei vorzugsweise entweder eine schräg gerichtete Ausmündungsröhrchenreihe oder ein über die Arbeitslänge des Strömungskanalkörpers (1) durchgehender Schrägspalt (31) vorgesehen ist und vorzugsweise dessen Spaltbreite im Profilquerschnitt 0,5 bis 1,5 mm beträgt.
- Einrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die der Teilungsstelle (T1) zugehörigen geradlinigen Abschnitte der beiden Teilstromkanäle (K2a, K2b) unterschiedlich lang sind, wobei insbesondere der kürzere Abschnitt des einen Kanals (K2a) im ersten Viertel der Einrichtungsgesamtlänge und der längere Abschnitt des anderen Kanals (K2b) im dritten Viertel der Einrichtungsgesamtlänge endet.
- Einrichtung nach Anspruch 14, dadurch gekennzeichnet, daß in dem kürzeren Abschnitt des einen Kanals (K2a) ein einstellbares Drosselelement (18) zur Beeinflussung des Strömungswiderstandes angeordnet ist.
- Einrichtung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß wenigstens einer der beiden Teilstromkanäle (K2a, K2b) schließbar ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE29517100U DE29517100U1 (de) | 1995-10-17 | 1995-10-17 | Strömungsteilungs- und -umformungskörper |
DE29517100U | 1995-10-17 | ||
PCT/EP1996/004493 WO1997014511A1 (de) | 1995-10-17 | 1996-10-17 | Strömungsteilungseinrichtung |
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EP0853503A1 EP0853503A1 (de) | 1998-07-22 |
EP0853503B1 true EP0853503B1 (de) | 2000-04-26 |
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EP96934705A Expired - Lifetime EP0853503B1 (de) | 1995-10-17 | 1996-10-17 | Strömungsteilungseinrichtung |
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US (1) | US5992453A (de) |
EP (1) | EP0853503B1 (de) |
CN (1) | CN1073476C (de) |
AT (1) | ATE192051T1 (de) |
BR (1) | BR9610957A (de) |
DE (2) | DE29517100U1 (de) |
ES (1) | ES2146907T3 (de) |
WO (1) | WO1997014511A1 (de) |
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US2734224A (en) * | 1956-02-14 | winstead | ||
DE2338458A1 (de) * | 1973-07-28 | 1975-02-06 | Karl Hehl | Mehrfachduese einer spritzgiessmaschine |
US4017240A (en) * | 1975-11-19 | 1977-04-12 | Rubbermaid Incorporated | Die for extruding sheet material |
DE3102132A1 (de) * | 1981-01-23 | 1982-08-26 | Phoenix Ag, 2100 Hamburg | Vorrichtung zum herstellen eines duennen beschichtungsfilmes auf gewebe |
US4909181A (en) * | 1988-10-18 | 1990-03-20 | W. Wrigley Jr. Company | Fluid distribution bar |
DE4026198A1 (de) * | 1990-08-18 | 1992-02-27 | Vepa Ag | Vorrichtung zum aufbringen eines fluessigkeitsfilmes auf eine warenbahn |
DE9218012U1 (de) * | 1992-04-07 | 1993-08-05 | Eduard Küsters Maschinenfabrik GmbH & Co KG, 47805 Krefeld | Vorrichtung zum Auftragen eines fluiden Behandlungsmediums auf eine laufende Bahn |
DE9302207U1 (de) * | 1993-02-12 | 1994-06-09 | Zimmer, Johannes, Klagenfurt | Vorrichtung zum breitenverteilenden Auftragen fließfähiger Substanzen |
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1995
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1996
- 1996-10-17 US US09/051,809 patent/US5992453A/en not_active Expired - Fee Related
- 1996-10-17 AT AT96934705T patent/ATE192051T1/de not_active IP Right Cessation
- 1996-10-17 CN CN96197686A patent/CN1073476C/zh not_active Expired - Fee Related
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- 1996-10-17 EP EP96934705A patent/EP0853503B1/de not_active Expired - Lifetime
- 1996-10-17 BR BR9610957A patent/BR9610957A/pt not_active IP Right Cessation
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US5992453A (en) | 1999-11-30 |
WO1997014511A1 (de) | 1997-04-24 |
DE29517100U1 (de) | 1997-02-13 |
CN1073476C (zh) | 2001-10-24 |
CN1200057A (zh) | 1998-11-25 |
ES2146907T3 (es) | 2000-08-16 |
DE59605066D1 (de) | 2000-05-31 |
BR9610957A (pt) | 1999-07-13 |
ATE192051T1 (de) | 2000-05-15 |
EP0853503A1 (de) | 1998-07-22 |
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