CN208894002U - A kind of low pressure atomization nozzle applied to sprinkling irrigation - Google Patents
A kind of low pressure atomization nozzle applied to sprinkling irrigation Download PDFInfo
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- CN208894002U CN208894002U CN201821413756.9U CN201821413756U CN208894002U CN 208894002 U CN208894002 U CN 208894002U CN 201821413756 U CN201821413756 U CN 201821413756U CN 208894002 U CN208894002 U CN 208894002U
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- nozzle
- low pressure
- sprinkling irrigation
- hose
- gas
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Abstract
A kind of low pressure atomization nozzle applied to sprinkling irrigation, enables gas-liquid to spray after evenly mixing.In addition, the fluid line by design has reasonable size, so that pipe wear effect and blocking effect can be effectively reduced, reach economic equilibrium.The utility model mechanism include gas pipeline, fluid pipeline, mixing module, shrink expanding nozzle (C-D), wherein fluid pipeline is placed in gas pipeline center, connect with mixing module, and gas spray pipe end is docked with jet pipe contraction section.
Description
Technical field
The utility model relates to a kind of low pressure atomization nozzles applied to sprinkling irrigation, belong to biphase gas and liquid flow and are sufficiently mixed sprinkling irrigation
Atomizer technical field.
Background technique
Gas-liquid mixed nozzle has application in many fields.The design method of such usual nozzle is to be introduced directly into liquid
The middle position of main pipeline high speed gas is sprayed by nozzle again after mixing.The shortcomings that such methods is in jet expansion
It is shunk due to bore so that gas velocity and pressure rise are broken into droplet as gas is from spout so as to cause liquid at place
Place sprays, and gas-liquid cannot be sufficiently mixed.In order to be sufficiently mixed gas and liquid and smooth outflow, usually
Liquid is vertically sprayed into high-speed flow from the aperture of pipeline wall surface, this process needs are completed in high-pressure process, to equipment
It is more demanding.The shortcomings that this pipe design often uses small size circular hole, brings is exactly to be easy to abrasion or block.
Commonly used in there was only liquid in the jet pipe of sprinkling irrigation, in order to achieve the effect that spray water mist, added before spout
Shredder is deflected to generate water droplet.The water droplet size generated in this way is larger, cannot obtain ideal spray effect.
Utility model content
The technical issues of the utility model solves is: having overcome the deficiencies of the prior art and provide a kind of applied to sprinkling irrigation
Low pressure atomization nozzle enables gas-liquid to spray after evenly mixing.In addition, the fluid line by design has reasonable ruler
It is very little, so that pipe wear effect and blocking effect can be effectively reduced, reach economic equilibrium.The utility model mechanism includes
Gas pipeline, fluid pipeline, mixing module, shrink expanding nozzle (C-D), wherein fluid pipeline is placed in gas pipeline centre bit
It sets, is connect with mixing module, gas spray pipe end is docked with jet pipe contraction section.
The technical solution of the utility model is: a kind of low pressure atomization nozzle applied to sprinkling irrigation, including gas conveying
Hose, liquid conveying hose and jet pipe;The jet pipe includes pipeline section diameter along the gradually smaller jet pipe of fluid direction of motion
What nozzle throat and pipeline section diameter at flow constriction section, pipeline section diameter minimum became larger along fluid direction of motion
Nozzle Flow expansion segment, the end of the Nozzle Flow expansion segment are nozzle;The Nozzle Flow contraction section is conveyed mounted in gas
The other end of one end of hose, gas delivery hose inputs gas;One end of the liquid conveying hose is in gas delivery hose
Outer wall is inserted into gas delivery hose, and the other end inputs liquid;After gas and liquid mix before entering Nozzle Flow contraction section
Into Nozzle Flow contraction section.
Preferably, there is bending segment in part of the liquid conveying hose in gas delivery hose.
Further, the axis of the following part of the bending segment is parallel with the axis of gas delivery hose.
Further, the axis of the gas delivery hose, the axis of the following part of bending segment, Nozzle Flow contraction section
Axis, the axis of nozzle throat and the axis of Nozzle Flow expansion segment be harmonious.
Preferably, the outer diameter of the liquid conveying hose outlet is identical as the internal diameter of nozzle throat.
Preferably, the internal diameter of the nozzle is twice of the internal diameter of nozzle throat.
Preferably, the liquid conveying hose outlet and jet pipe are circle along each section of axis.
Preferably, the inner wall of the Nozzle Flow contraction section and Nozzle Flow expansion segment is smooth circular conical surface.
Preferably, end of the liquid conveying hose in gas delivery hose and the Nozzle Flow contraction section are neat
It is flat.
The utility model compared with prior art the advantages of be:
(1) gas-liquid mixed that the utility model is capable of providing high quality is sprayed, this is main or since jet pipe C-D is to gas
Accelerated, so that aerosol momentum be made to increase.So that liquid is converted into liquid mist by atomising device increases contact surface, Neng Gouji
The earth improves the sprinkling efficiency, improves sprinkling irrigation subject surface absorptivity, achievees the purpose that save water resource;
It (2) is input pressure required for generating uniformly mixed high speed liquid mist the advantages of nozzle arrangements in the utility model
It is low.In general, air supply system input pressure is 1.5 standard atmospheric pressures, and liquid-supplying system input pressure is 1.7 normal atmospheres
Pressure.Since low-lift pump is at low cost, this model nozzle is with the obvious advantage compared with the prior art.The utility model nozzle is by several lists
Only structure composition, each independent structure simple process are easy to process.This nozzle arrangements can be used for its other than water and air
His inert gas and liquid medium, such as nitrogen, carbon dioxide etc..
Detailed description of the invention
Fig. 1 is the three-dimensional right front view of the utility model;
Fig. 2 is the front view in the direction 2-2 in Fig. 1.
Specific embodiment
The utility model is a kind of device that can be sufficiently mixed liquids and gases, is made of each sub-unit: 1, containing liquid
The mixing module of body canal;2, the air supply hose of a connection mixing module;3, the liquid injection pipe being mounted on mixing module,
Gas hose center is extended to, and outlet axes are harmonious with gas hose axis.Liquid injection pipe passes through with gas hose
Connector positioned at gas hose tract connects.Shrink expanding nozzle connect with gas hose end, under the liquid injection pipe
Section is swum, and has certain distance with injection-tube outlet.Jet pipe configuration is followed successively by contraction section, venturi, expansion according to mixed flow direction
Section.Throat diameter is identical as liquid injection pipe outlet outer diameter.Nozzle tip interface connects spout, and nozzle pluggage is venturi internal diameter
Twice.The nozzle wall of the utility model is smooth, gradually tapers up along axis direction, and guarantees that each cross section profile is all round
Shape.Principle, that is, liquid (being in most cases water) enters mixing module by syringe pipeline by pressurizeing, then is sprayed by spout, shape
At air-water mixture in good condition.
The present apparatus forms liquid, admixture of gas including the following steps: 1, offer liquid output source;2, gas is provided
Output source;3, it is used to carry out well-mixed mixing module and jet pipe to gas and liquid.
The gas-liquid mixed that the utility model is capable of providing high quality is spraying, this it is main or due to jet pipe C-D to gas into
Row accelerates, so that aerosol momentum be made to increase.So that liquid is converted into liquid mist by atomising device increases contact surface, can be very big
Ground improves the sprinkling efficiency, improves plant surface layer absorptivity, achievees the purpose that save water resource.Rainer mechanical system can make
It obtains liquid and gas is sufficiently mixed in mixing module, using jet pipe momentum is increased, be conducive to liquid and go deep into plant root.
Therefore, it can be seen that this model spray nozzle device for plant sprinkling irrigation excellent from content described above, it can be applicable to
Snowmaker water atomizing system and fire extinguisher nozzle etc..
The initial purpose of the utility model is to provide for a kind of method or apparatus, it can be by a kind of gas and a kind of liquid
Body is sufficiently mixed and sprays its atomization with certain speed with a certain object or free space for outlet.The utility model
Feature is to be atomized bulk gas and liquid mixture completely under environment under low pressure, and sprayed with certain speed, is sprayed for plant
Filling provides a kind of energy saving, efficient rainer.
It is further described with reference to the accompanying drawings of the specification.
As shown in Figure 1, the utility model includes a mixing module 11, it is soft by gas delivery hose 13 and liquid conveying
Pipe 15 forms.Gas and liquid pass through the pipeline 13 and 15 in module 11 respectively, air conduit end 22 are reached, using spray
The mixing of pipe 17 accelerates, and the liquid mist of high quality is sprayed by nozzle 18.
As shown in Fig. 2, liquid delivery tube 15 is connect with liquid injection pipe 19,19 oblique cutting of liquid injection pipe enters air conduit 21
To guarantee liquid outlet 20 in 21 center location of air conduit and axial location is harmonious, pipeline type face is all round.Liquid is gentle
Body converges in air conduit 21 and tentatively mixes, then flows into jet pipe 17 by air conduit 21 and be sufficiently mixed.Jet pipe 17 wraps
Include flow constriction section 23, venturi 25, flowing expansion segment 27.Gas-liquid mixture has since the promotion of pressure is sprayed by nozzle 18
The form of water mist and the minimum drop of size.
The utility model is stringent for the Sizing requirements of liquid injection outlet 20 and jet pipe 17.It is each along nozzle axis
Cross section profile is circular, and the axis of jet pipe 17 and the axis of air conduit 21, the outlet of liquid injection pipe 19 20 are harmonious.Liquid
The outer diameter A of injection-tube 19 and the internal diameter B of venturi 25 are strictly equal.The internal diameter C of nozzle 18 is twice of 25 internal diameter B of venturi.
The utility model can spray uniformly mixed high speed liquid mist and be achieved through the following technical solutions.
Gas and liquid pass through air conduit 21 respectively and liquid delivery tube 15, liquid injection pipe 19 are transported to air conduit
End 22, and occur just to mix herein, it further mixes and is reached at venturi 25 using jet pipe contraction section 23, the sky of high compression
Gas passes through flowing expansion segment 27 with not compressible liquid at high speed, and spreads apart and, brought by the air spread apart rapidly
Energy is enough to smash liquid, forms it into the sufficiently small drop of scale, and as air-flow accelerates to spray, it is equal that mixing is formed at nozzle
Even high speed liquid mist.
Using the nozzle of above structure feature, the uniformly mixed liquid mist for spray irrigation system can be manufactured.Compared on the market
Irrigation nozzle, this nozzle arrangements biggest advantage is that input pressure required for generating uniformly mixed high speed liquid mist is low.One
As for, air supply system input pressure be 1.5 standard atmospheric pressures, liquid-supplying system input pressure be 1.7 standard atmospheric pressures.By
At low cost in low-lift pump, this model nozzle is with the obvious advantage compared with the prior art.
The utility model nozzle is made of several independent structures, each independent structure simple process, easy to process.This spray
Mouth structure can be used for other inert gases and liquid medium, such as nitrogen, carbon dioxide other than water and air etc..
Since said nozzle structure includes multiple confinement dimensions, within the scope of the appended claims, the reality of the utility model
The scheme of applying may be different from the process of specific descriptions.
The content being not described in detail in the utility model specification belongs to the well-known technique of those skilled in the art.
Claims (9)
1. a kind of low pressure atomization nozzle applied to sprinkling irrigation, it is characterised in that: soft including gas delivery hose (13), liquid conveying
Manage (15) and jet pipe (17);The jet pipe (17) includes pipeline section diameter along the gradually smaller Nozzle Flow of fluid direction of motion
Nozzle throat (25) and pipeline section diameter at contraction section (23), pipeline section diameter minimum gradually become along fluid direction of motion
Big Nozzle Flow expansion segment (27), the end of the Nozzle Flow expansion segment (27) are nozzle;The Nozzle Flow contraction section
(23) it is mounted in the one end of gas delivery hose (13), the other end of gas delivery hose (13) inputs gas;The liquid conveying
In gas delivery hose (13) outer wall insertion gas delivery hose (13), the other end inputs liquid for one end of hose (15);Gas
Body and liquid enter Nozzle Flow contraction section (23) after mixing before entering Nozzle Flow contraction section (23).
2. a kind of low pressure atomization nozzle applied to sprinkling irrigation according to claim 1, it is characterised in that: the liquid conveying
There is bending segment in part of the hose (15) in gas delivery hose (13).
3. a kind of low pressure atomization nozzle applied to sprinkling irrigation according to claim 2, it is characterised in that: the bending segment
The axis of following part is parallel with the axis of gas delivery hose (13).
4. a kind of low pressure atomization nozzle applied to sprinkling irrigation according to claim 3, it is characterised in that: the gas conveying
The axis of hose (13), the axis of the following part of bending segment, the axis of Nozzle Flow contraction section (23), nozzle throat (25)
The axis of axis and Nozzle Flow expansion segment (27) is harmonious.
5. a kind of low pressure atomization nozzle applied to sprinkling irrigation according to claim 1, it is characterised in that: the liquid conveying
The outer diameter of hose (15) outlet is identical as the internal diameter of nozzle throat (25).
6. a kind of low pressure atomization nozzle applied to sprinkling irrigation according to claim 1, it is characterised in that: the nozzle it is interior
Diameter is twice of the internal diameter of nozzle throat (25).
7. a kind of low pressure atomization nozzle applied to sprinkling irrigation according to claim 1, it is characterised in that: the liquid conveying
Hose (15) outlet and jet pipe (17) are circle along each section of axis.
8. a kind of low pressure atomization nozzle applied to sprinkling irrigation according to claim 1, it is characterised in that: the Nozzle Flow
The inner wall of contraction section (23) and Nozzle Flow expansion segment (27) is smooth circular conical surface.
9. a kind of low pressure atomization nozzle applied to sprinkling irrigation according to claim 1, it is characterised in that: the liquid conveying
End of the hose (15) in gas delivery hose (13) is flushed with the Nozzle Flow contraction section (23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821413756.9U CN208894002U (en) | 2018-08-30 | 2018-08-30 | A kind of low pressure atomization nozzle applied to sprinkling irrigation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821413756.9U CN208894002U (en) | 2018-08-30 | 2018-08-30 | A kind of low pressure atomization nozzle applied to sprinkling irrigation |
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CN208894002U true CN208894002U (en) | 2019-05-24 |
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ID=66570953
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CN201821413756.9U Active CN208894002U (en) | 2018-08-30 | 2018-08-30 | A kind of low pressure atomization nozzle applied to sprinkling irrigation |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112138557A (en) * | 2020-10-21 | 2020-12-29 | 大庆德美特尔能源科技有限公司 | Solid-liquid mixing ejector |
TWI825292B (en) * | 2020-01-17 | 2023-12-11 | 大陸商上海芯源微企業發展有限公司 | Wafer surface particle cleaning nozzle |
-
2018
- 2018-08-30 CN CN201821413756.9U patent/CN208894002U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI825292B (en) * | 2020-01-17 | 2023-12-11 | 大陸商上海芯源微企業發展有限公司 | Wafer surface particle cleaning nozzle |
CN112138557A (en) * | 2020-10-21 | 2020-12-29 | 大庆德美特尔能源科技有限公司 | Solid-liquid mixing ejector |
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