CN204892180U - A device for producing liquid fog - Google Patents
A device for producing liquid fog Download PDFInfo
- Publication number
- CN204892180U CN204892180U CN201520172178.4U CN201520172178U CN204892180U CN 204892180 U CN204892180 U CN 204892180U CN 201520172178 U CN201520172178 U CN 201520172178U CN 204892180 U CN204892180 U CN 204892180U
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- CN
- China
- Prior art keywords
- nozzle
- jet
- liquid
- shock point
- entrance
- Prior art date
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Abstract
The utility model relates to a device for producing liquid fog, the device has at least two jet nozzles of arranging in nozzle holder department with separating each other, the jet nozzle adapts to into the liquid jet of production beam forming and angularity ground is directional each other becomes to make the liquid jet meet each other in the shock point, coordinate to enter the mouth into making the shock point keep away from the nozzle each other in nozzle entry distance and the inclination between the liquid jet each other, so that the nozzle entry keeps the liquid fog of not production when the liquid jet meets each other. Through the device, can get rid of the backward flow and from this to the pollution of nozzle entry. Make the user to adjust the mixing ratio and the mixability of spraying in the fog according to the liquid of difference simultaneously.
Description
Technical field
The utility model relates to a kind of device of liquid mist for generation of having predetermined component motion, wherein, make at least two directed angularly in relation to one another liquid jet S1, S2 through sharp-pointed bunchy encounter one another in shock point P, this shock point spatially with jet nozzle D1, D2 away from.
Background technology
Liquid mist N is generally used for carrying out wetting or coating to substrate.Special preferably, when the liquid or analog with other liquid, gas, less viscosity, at shock point or mix different types of liquid in liquid mist.By a kind of known method of DE102012204426A1.What describe in the publication teaches for the method carrying out painting objects with heat adhesive the heat adhesive being penetrated melting by the first and second nozzles, to make from the first melting jet of first jet ejection and to meet with acute angle from the second melting jet of second nozzle ejection, thus form injection fan, wherein, nozzle is made to remain in predetermined rated temperature.By keeping rated temperature, the desired viscosity of heat adhesive should be realized, to keep the droplet size of the expectation of spraying fan thus.The angle of inclination of melting jet should be always the acute angle between 10 degree to 80 degree.About melting jet each nozzle entrance between distance in aforementioned documents, do not provide explanation.
Proving when implementing now dangerous, particularly when spraying discontinuously, namely with when carrying out discontinuously, by not controlled backflow, carrying out wetting nozzle entrance by the liquid mist produced, and there is the danger of pollution or stopped nozzles thus.
Utility model content
Task of the present utility model is such device to improve in a row except this backflow and thus to the pollution of nozzle entrance.Meanwhile, make user can regulate according to different liquid and spray mixed proportion in mist and mixability.
If a1, a2 be the nozzle entrance DM of jet nozzle D1, D2 relative to from shock point P to the distance of the plumb line of the line V of the nozzle entrance DM of jet nozzle D1, D2, b is the distance of the line V of shock point P to nozzle entrance DM, and β
1, β
2be liquid jet S1, S2 relative to from shock point P to the inclination angle of the plumb line of the line V of the nozzle entrance DM of jet nozzle D1, D2, then so solve proposed task according to the utility model, that is, will apart from a1, a2, angle of inclination beta
1, β
2the liquid mist that become make nozzle entrance DM not produce coordinated with each other with distance b.
Size a
n, β
nwith the coordination of b by test, rule of thumb carry out.Preferably and in other embodiment of the present utility model, such as, in order to produce liquid mist N by two liquid jet S1 and S2, can according to formula a=b* (tan β
1+ tan β
2) regulate the distance a of nozzle entrance DM, wherein, a=a1+a2 and β=β
1+ β
2.When cooperative dimensioning a like this, β and b, if be greater than 10mm according to the utility model distance b, and if angle of inclination beta=β or rather between each liquid jet
1+ β
2>=80 degree, then can reliably avoid passing through produced liquid mist wetting nozzle.
For the atomization strong especially of liquid jet, being greater than the angle of inclination beta of 80 degree, particularly obtuse angle is also expect.Therefore advise in other structure of the present utility model, the angle of inclination beta of liquid jet S1, S2 is between 30 degree to 120 degree.Particularly relate to atomization, in the attainable less droplet size of liquid, bring particularly preferred result compared with the region of high inclination-angle between 80 degree to 120 degree.
According to the viscosity of liquid to be atomized, in other embodiment of the present utility model, the fluid pressure in nozzle becomes to make the effluxvelocity v at nozzle entrance place to be 15-150 meter per second with nozzle entrance cross section is coordinated with each other.At this, preferably regulate effluxvelocity from the less viscosity plays of lower value and liquid to be atomized, this less viscosity is proportional with the liquid viscosity be atomized.
When muzzle velocity being adjusted to 150 meter per second in the liquid viscosity situation in 400mPa*s (milli handkerchief * second), realize particularly advantageous result.
In order to produce the liquid mist N of the orientation encountered one another in shock point P, the number of liquid jet can as described above by statement " at least two " implied like that for more than two.
In Advantageous embodiments of the present utility model (wherein can make at least two, be preferably three fluid jets encounter one another in shock point P), can about direction and/or effluxvelocity control in liquid jet at least one.Thus, both adjustable produced injection fan or the shape of liquid mist N, also its direction of motion adjustable.When different liquids, also can control or regulate mixed pattern and/or mixed proportion thus.
Specifying according in other embodiment of device of the present utility model, except liquid jet S1-Sn, gas jet GS can be redirect on shock point P.According to adopted liquid, particularly according to the viscosity of adopted liquid, atomization can be improved by adopting additional gas jet GS.In addition, such possibility can be provided by using additional gas jet GS: make to mix with gas jet GS, be such as distributed to subtly in liquid mist N for the material composition of the curing agent and so on of glue, this can bring advantage according to the use of liquid mist N or environment.
Finally, can specify in other embodiment of device, liquid jet S1-Sn is made up of different liquid.In the case, not only realize forming liquid mist N by a kind of liquid, but also realize the strong mixing of the various liquid used.
This device has at least two that be spaced apart from each other, to be arranged in nozzle carrier DT place jet nozzle D1, D2 thus substantially, these jet nozzles are adapted to liquid jet S1, S2 of producing bunchy, and relative to each other angledly directed thus, thus liquid jet S1, S2 are encountered one another in shock point P.This device again by aforementioned document DE102012204426A1 and affiliated description known.
As already described, task of the present utility model is to improve this device, to make the liquid adopted on the one hand carry out high atomisation, reliably avoids on the other hand the wetting of nozzle entrance or atomization.
According to the utility model, the nozzle entrance DM of jet nozzle D1, D2 relative to from shock point P to distance a1, the a2 of the plumb line of the line V of the nozzle entrance DM of jet nozzle D1, D2 and liquid jet S1, S2 relative to from shock point P to the angle of inclination beta of the plumb line of the line V of the nozzle entrance DM of jet nozzle D1, D2
1, β
2one-tenth coordinated with each other makes shock point P so away from nozzle entrance, keeps the liquid mist N do not produced when liquid jet S1, S2 encounter one another to make nozzle entrance.According to the favourable embodiment of this instruction, such as, in order to produce liquid mist N by two liquid jet S1 and S2, the distance between nozzle entrance DM is a=b* (tan β
1+ tan β
2), wherein, a=a1+a2 and β=β
1+ β
2, and b is the distance of the line V of shock point P to nozzle entrance DM, and β
1, β
2liquid jet S1, S2 relative to from shock point P to the inclination angle of the plumb line of the line V of the nozzle entrance DM of jet nozzle D1, D2.Show, when keeping correlation between size a, β and b, the atomizing effect of generation can be avoided reaching when nozzle entrance wetting at the same time.
Another kind of embodiment is instructed in the following way according to device of the present utility model, namely, multiple jet nozzle D1-Dn be preferably regularly and/or annular distribution at nozzle carrier DT place, to make the liquid jet of all outflows be positioned on the skin of cone, the tip of this cone is shock point P.In this embodiment, liquid jet S1-Sn relative to the angle of inclination beta from shock point P to the plumb line of the nozzle plane folded by nozzle entrance DM
1-β
nbe preferably between 15 degree to 60 degree.
In layout generation, there is identical angle of inclination beta
1=β
2=...=β
nmultiple jet nozzle Dn of liquid jet Sn time, the opening angle of cone equals 2 × β
1, and should be better between 30 degree to 120 degree.The advantage with this layout of multiple jet nozzle is: aerosolizable larger amount of liquid and keep uniform, be preferably circular and/or conical injection fan.
According in the favourable embodiment of device of the present utility model, the position of at least one in the jet nozzle D1-Dn at nozzle carrier DT place and/or its orientation are variably arranged.By this structure, can the orientation of produced liquid mist N be selected according to the adjustment of transformable nozzle DV or also have its shape.
In addition, liquid jet can be formed discontinuously in single or all jet nozzle DV and thus with the time about obtain the liquid mist N differently constructed.Particularly, the nozzle adopting pulsation is favourable, and wherein, it relates to again substrate to be sprayed.
Advising according in another embodiment of device of the present utility model, except the gas nozzle DG for being also provided with except the jet nozzle D1-Dn of liquid for gas shape fluid adaptation.This structure can be conducive to according to adopted liquid more effectively carrying out being atomized and making droplet size more tiny.For being arranged in this and being preferably chosen to about the jet nozzle D1-Dn arranged for liquid in center of gas nozzle DG of gas shape fluid.
In the case, gas nozzle DG has the beeline b relative to shock point P.
Another kind of possibility is arranged in center for the nozzle D1-Dn of liquid about other jet nozzle D1-Dn, measures additional liquid discontinuously, and do not affect direction and the expansion of liquid mist N to be preferably.Those skilled in the art can adopt known control and governor motion (valve, measuring appliance, flowmeter, control and/or adjusting device) in its limit of power, to realize or to optimize the result that will reach.
In a particularly advantageous manner, this device is applied in the process of production plate of material, is wherein sprayed onto on comparatively loose material (chip, fiber, felt etc.) by adhesive floating thing (glue, curing agent, cosolvent etc.) with these nozzles at this.In an advantageous manner, particularly glue (isocyanates or analog) usually expected to mix with curing agent in road or blender declining before meeting with comparatively loose material, and was sprayed onto pro rata respectively on this material.In an advantageous manner, mixability and characteristic of meeting adapt to specified criteria in the utility model.
Accompanying drawing explanation
Come with reference to the accompanying drawings to carry out exemplified to device.Shown in the drawings:
Fig. 1 is the principle schematic for being formed the device of liquid mist N by two liquid jets S1, S2,
Fig. 2 is the first embodiment of device as shown in Figure 1,
Fig. 3 is that have can according to the alternate embodiments corresponding to the device of Fig. 2 of the nozzle DV of position and change in orientation,
Fig. 4 is another alternate embodiments of the device according to Fig. 2 with the gas nozzle DG being positioned at center, and
Fig. 5 is along jet nozzle entrance DM direction, facing to nozzle carrier DT, to the top view corresponding to the device of Fig. 2 with three jet nozzles.
Detailed description of the invention
In order to understand better, the property introduced ground defines spacing a, b and angle beta according to the utility model again.Distance a defines the distance between nozzle entrance DM.At this, a1 is that the nozzle entrance DM of jet nozzle D1 is relative to the distance from shock point P to the plumb line of line V.Accordingly, a2 is that the nozzle entrance DM of jet nozzle D2 is relative to the distance from shock point P to the plumb line of line V.On the whole, when there being multiple nozzle, distance a
njet nozzle D
nnozzle entrance DM relative to the distance from shock point P to the plumb line of line V.B defines the distance of line V to shock point P.Angle beta shows the inclination angle between liquid jet S1-S2, β
1be liquid jet S1 relative to the inclination angle from shock point P to the plumb line of line V, β
2be liquid jet S2 relative to the inclination angle from shock point P to the plumb line of line V, and accordingly for multiple angle, β
nliquid jet S
nrelative to the inclination angle from shock point P to the plumb line of line V.
According in the illustrative diagram of Fig. 1, two jet nozzle D1, D2 arranged at interval are relative to each other shown, liquid jet S1, S2 of bunchy can be sprayed by these two jet nozzles.The direction of liquid jet S1, S2 represents with vector.Vector is not what be shown to scale, but partly represents different effluxvelocity v with its different length in FIG.Set up above nozzle entrance in a familiar manner for the pressure needed for liquid jet S1, S2 of generation bunchy, this is not shown specifically.Jet nozzle D1 and D2 is arranged to its nozzle entrance DM and has distance a.In addition, jet nozzle D1 and D2 is made to be oriented liquid jet S1, S2 of outflow relative to each other in angle of inclination beta=β
1+ β
2, and two liquid jets S1, S2 on one point in, namely encounter one another in shock point P.When liquid jet S1, S2 encounter one another in shock point P, liquid jet can be atomized into liquid mist N with the thinnest droplet.Liquid mist N extends substantially in the angle of jet direction S1, S2 of continuing downwards.By encountering one another of liquid jet S1, S2 of two bunchys, unavoidably along the backflow not controlled to a certain extent in jet nozzle D1 and D2 direction.In order to make the liquid mist of backflow not reach nozzle entrance, this structure is designed to make the nozzle entrance DM of jet nozzle D1, D2 relative to from shock point P to distance a1, the a2 of the plumb line of the line V of the nozzle entrance DM of jet nozzle D1, D2 and liquid jet S1, S2 relative to from shock point P to the angle of inclination beta of the plumb line of the line V of the nozzle entrance DM of jet nozzle D1, D2
1, β
2by relational expression a=b* (tan β
1+ tan β
2) select, wherein a=a1+a2 and β=β
1+ β
2, be greater than 10 millimeters with the distance b of the line V making shock point P and nozzle entrance DM.
If be the angle of inclination beta that the inclination angle shown in two liquid jet S1, S2 Selection radio Fig. 1 is less, then according to the relevance between aforementioned angle of inclination beta and distance a can realize shock point P to line V may be larger distance b.Otherwise, when angle of inclination beta is certain, can be larger by being chosen as apart from a according to listed formula, to obtain the distance b being greater than 10 millimeters, and reliably avoid liquid mist N to be back to the nozzle entrance DM of jet nozzle D1, D2.By changing above-mentioned formula, can according to distance a=a1+a2 and angle of inclination beta=β
1+ β
2determine the desired limits value of distance b: b=a/ (tan β
1+ tan β
2).When fixing distance a=30 millimeter, angle of inclination beta=90 degree cause distance b=15 millimeter.And angle of inclination beta=115 degree cause distance b=9.55 millimeter.
The Reference numeral identical with Fig. 1 is selected for the device schematically illustrated in fig. 2.This device comprises and is essentially columniform nozzle carrier DT, and the central axis of this nozzle carrier represents with TM.Jet nozzle D1 and D2 is arranged in nozzle carrier DT place, and liquid jet S1, S2 of the bunchy flowed out meet in shock point P with the angle beta being essentially 90 degree again.The liquid mist produced represents with N.
Illustrate to correspond to Fig. 2 according to the embodiment shown in Fig. 3 of device of the present utility model.The position of a jet nozzle in the jet nozzle Dn represented with DV in the drawings and directed alterable, this is illustrated by Fig. 3, and it is eccentric that nozzle entrance DM is drawn as relative to the nozzle main shaft H of nozzle DV.Thus, change the vector of liquid jet by the eccentric rotary of nozzle and change the position of shock point thus.Change the outward appearance of liquid mist N accordingly.
Alternatively or conjunctively, nozzle is also swingable, and this illustrates as the curved arrow at nozzle DV place with wobble area W.Alternatively or conjunctively, nozzle DV also can pass along linear movement X, so that adjustment shock point P accordingly.
Corresponding to asymmetric localization nozzle DV and thus from nozzle DV flow out liquid jet through change position, produce asymmetric structure liquid mist N and relate to shape and position in space thereof.Transformable nozzle DV is regulated according to the position of the expectation of liquid mist N and shape.The layout of transformable nozzle DV and other nozzle D one or more
nthe combination of (such as, in Figure 5) is possible.When different liquids, advantageously can form now symmetrical liquid mist N and particularly can produce the large area with adjacent and/or overlapping injection circular cone thus when multiple device adjacent one another are and spray configuration.Also can compensate the wearing and tearing of appearance or the change at other device place occurred in process of production by adjustable jet nozzle DV, and guarantee to uniformly spray as far as possible in time.
Accordingly, be adapted to ratio herein, such nozzle carrier DT can be provided with, in this nozzle carrier, be provided with the different angles β of jet nozzle Dn
n, they are adapted to corresponding liquid, to obtain best liquid mist N.
According to Fig. 4 according in another embodiment of device of the present utility model, except liquid jet nozzles Dn, be also furnished with the gas nozzle DG being positioned at center, the gas jet GS of this gas nozzle is directed on the shock point P of the liquid jet Sn be made up of jet nozzle Dn equally.According to the viscosity of applied liquid, improve further by adopting the gas jet GS being particularly positioned at center or at least transform atomization quality.What also have meaning is the energy content (such as by steam) of each composition improved in atomization process in liquid mist N, particularly to improve mixing.
According in the embodiment of Fig. 5, by the view from below facing to nozzle carrier, generally be provided with three jet nozzles (illustrating with Dn in Figure 5), jet nozzle is distributed on annulus regularly, is 120 degree to make a nozzle Dn to the angle intervals of next nozzle.
Reference numerals list:
A distance
A1 distance
A2 distance
An distance
B distance
β inclination angle
β
1inclination angle
β
2inclination angle
β
ninclination angle
D1 nozzle
D2 nozzle
Dn n-th nozzle
DG gas nozzle
DM nozzle entrance
DT nozzle carrier
DV nozzle
GS gas jet
H main shaft
N liquid mist
P shock point
S1 liquid jet
S2 liquid jet
Sn liquid jet
TM longitudinal axis
V line
V effluxvelocity
W wobble area
X-ray moves
Claims (9)
1. the device for generation of liquid mist, described device has at least two and is spaced to turn up the soil and is arranged in the jet nozzle at nozzle carrier (DT) place, described jet nozzle is adapted to the liquid jet of generation bunchy and is oriented angularly in relation to one another described liquid jet is encountered one another in shock point (P), it is characterized in that, nozzle entrance (DM) makes described shock point (P) away from described nozzle entrance (DM) relative to from described shock point to the distance a of the plumb line of the line of the described nozzle entrance of described jet nozzle and described liquid jet relative to the angle of inclination beta one-tenth coordinated with each other from described shock point to the plumb line of the line of the described nozzle entrance of described jet nozzle, the liquid mist (N) do not produced when liquid jet encounters one another is kept to make described nozzle entrance.
2. device as claimed in claim 1, is characterized in that, according to formula a=b* (tan β
1+ tan β
2) regulate the distance a of described nozzle entrance (DM), wherein, a=a1+a2 and a1, a2 are that the described nozzle entrance (DM) of described jet nozzle (D1, D2) is relative to from described shock point (P) to the distance of the plumb line of the line (V) of the described nozzle entrance (DM) of described jet nozzle (D1, D2), wherein, angle of inclination beta=β
1+ β
2, and β
1, β
2be described liquid jet (S1, S2) relative to from described shock point (P) to the inclination angle of the plumb line of the line (V) of the described nozzle entrance (DM) of described jet nozzle (D1, D2), and b is the distance of described shock point (P) to the line (V) of described nozzle entrance (DM).
3. device as claimed in claim 1 or 2, it is characterized in that, be arranged on described nozzle carrier (DT) place to multiple jet nozzle (D1-Dn) distribution, to make the liquid jet of all outflows (S1-Sn) be positioned on the skin of cone, the tip of described cone is described shock point (P).
4. device as claimed in claim 3, it is characterized in that, the opening angle of described cone is between 30 degree to 120 degree.
5. device as claimed in claim 1 or 2, it is characterized in that, at least one jet nozzle in the jet nozzle (D1-Dn) at described nozzle carrier (DT) place is arranged to its position and/or its orientation is transformable.
6. device as claimed in claim 1 or 2, is characterized in that, be also provided with the gas nozzle (DG) being suitable for gas shape fluid except fluid injector (D1-Dn).
7. device as claimed in claim 1 or 2, is characterized in that, except nozzle (Dn), be also provided with gas nozzle.
8. device as claimed in claim 1 or 2, it is characterized in that, multiple jet nozzle (D1-Dn) is arranged on described nozzle carrier (DT) place with distributing regularly, to make the liquid jet of all outflows (S1-Sn) be positioned on the skin of cone, the tip of described cone is described shock point (P).
9. device as claimed in claim 1 or 2, it is characterized in that, multiple jet nozzle (D1-Dn) is arranged on described nozzle carrier (DT) place with distributing circlewise, to make the liquid jet of all outflows (S1-Sn) be positioned on the skin of cone, the tip of described cone is described shock point (P).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202014101462.4U DE202014101462U1 (en) | 2014-03-27 | 2014-03-27 | Device for generating liquid mist |
| DE202014101462.4 | 2014-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204892180U true CN204892180U (en) | 2015-12-23 |
Family
ID=54914394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520172178.4U Expired - Fee Related CN204892180U (en) | 2014-03-27 | 2015-03-25 | A device for producing liquid fog |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204892180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525178A (en) * | 2017-09-14 | 2017-12-29 | 南京工业职业技术学院 | A kind of high-efficient atomizing cooling fan |
| CN113474088A (en) * | 2019-02-08 | 2021-10-01 | Ntn株式会社 | Liquid applying unit and liquid applying apparatus |
-
2015
- 2015-03-25 CN CN201520172178.4U patent/CN204892180U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525178A (en) * | 2017-09-14 | 2017-12-29 | 南京工业职业技术学院 | A kind of high-efficient atomizing cooling fan |
| CN107525178B (en) * | 2017-09-14 | 2023-05-23 | 南京工业职业技术学院 | High-efficient atomizing cooling fan |
| CN113474088A (en) * | 2019-02-08 | 2021-10-01 | Ntn株式会社 | Liquid applying unit and liquid applying apparatus |
| CN113474088B (en) * | 2019-02-08 | 2023-03-07 | Ntn株式会社 | Liquid applying unit and liquid applying apparatus |
| US11897264B2 (en) | 2019-02-08 | 2024-02-13 | Ntn Corporation | Liquid application unit and liquid application apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |