CN206253256U - A kind of secondary-atomizing two phase flow shower nozzle - Google Patents

A kind of secondary-atomizing two phase flow shower nozzle Download PDF

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Publication number
CN206253256U
CN206253256U CN201621355405.8U CN201621355405U CN206253256U CN 206253256 U CN206253256 U CN 206253256U CN 201621355405 U CN201621355405 U CN 201621355405U CN 206253256 U CN206253256 U CN 206253256U
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China
Prior art keywords
atomizer
isocon
pod apertures
liquid
feed
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CN201621355405.8U
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Chinese (zh)
Inventor
陆岱鹏
易中懿
吕晓兰
张美娜
雷哓晖
陈凯
林强
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Jiangsu Academy of Agricultural Sciences
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Jiangsu Academy of Agricultural Sciences
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Abstract

The utility model discloses a kind of secondary-atomizing two phase flow shower nozzle, including feed sleeve, mozzle, water conservancy diversion rubber ring, isocon, thimble and two atomizers;Isocon, mozzle, feed sleeve are sequentially connected from front to back, and water conservancy diversion rubber ring is provided between isocon and mozzle;The front end center both sides of isocon are fixed with the first atomizer and the second atomizer, first atomizer and the second atomizer are in the way of inclining and be arranged symmetrically installed in the front end of isocon, feed sleeve is provided with the air inlet for accessing compressed gas and the inlet for accessing liquid, isocon is provided with air feeding in center pod apertures in the hub head end of its axis direction, and air feeding in center pod apertures are provided with thimble in hole.The utility model is atomized by the way of secondary collision is combined for the first time using biphase gas and liquid flow, can produce substantial amounts of ultra-fine droplet, overcome the shortcomings of conventional art cannot and meanwhile take into account that atomization quantity is big, particle diameter thin, far firing range and directed spraying.

Description

A kind of secondary-atomizing two phase flow shower nozzle
Technical field
The utility model belongs to the device for administration of drugs of field of plant protection machine, more particularly relates to a kind of secondary-atomizing two phase flow spray Head.
Background technology
Chemical prevention has the features such as work efficiency is high, preventing and treating is timely, and huge effect has been played on crop protection.According to system Meter, Chinese pest and disease damage chemical prevention retrieves grain yield and loses 75,000,000,000 more than kG every year, accounts for Grain in China annual production 15%, chemical prevention is to reduce crop diseases and pest crop smothering to take place frequently, ensures Stabilizing Grain Output volume increase and safe effective of quality of agricultural product Measure.
At present, the simple hand sprayer of common structure carries out big discharge rate, blindness, asymmetric dispenser on Chinese agriculture, Generally existing the phenomenons such as more serious " run, drip, leak ", and the amount of spraying of agricultural chemicals is big, and the mist droplet particle size of generation is thick, Adhesive rate on crop is low, and agricultural chemicals utilization rate only has 30% or so, causes prevention effect to decline and dosage increase.Additionally, Most of agricultural chemicals of conventional spraying is all deposited to soil and drift in surrounding environment, severe contamination and destruction Agro-ecology ring Border, causes agricultural product quality security problem occur, or even cause person poultry poisoning.In recent years, ultra low volume spray is that plant protection industry is big Push a kind of wide pesticide application technology.Result of study shows, ultra low volume spray compared with routinely spraying, can save agricultural chemicals 10%~ 30%.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, there is provided a kind of secondary-atomizing two phase flow spray Head, is atomized by way of secondary collision is combined for the first time biphase gas and liquid flow, forms secondary-atomizing, and jet atomization effect is more It is good, it is atomized more thorough.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of secondary-atomizing two phase flow shower nozzle, including feed sleeve, mozzle, water conservancy diversion rubber ring, isocon, thimble and two Individual atomizer;
The isocon, mozzle, feed sleeve are sequentially connected from front to back, are set between the isocon and mozzle There is water conservancy diversion rubber ring;The front end center both sides of the isocon are fixed with two atomizers, and two atomizers are respectively One atomizer and the second atomizer, first atomizer and the second atomizer are pacified in the way of inclining and being arranged symmetrically Mounted in the front end of isocon, the injection direction of first atomizer and the second atomizer is in a certain angle, the charging Sleeve pipe is provided with the air inlet for accessing compressed gas and the inlet for accessing liquid, and the isocon is in its axis side To hub head end be provided with air feeding in center pod apertures, thimble, the feeding sleeve are provided with the air feeding in center pod apertures hole Manage for the liquid and compressed gas of access being delivered into two atomizers through mozzle, water conservancy diversion rubber ring, isocon and being led to Cross atomizer and atomize the liquid into ejection, the compressed gas that the feed sleeve is accessed also are led to through mozzle, water conservancy diversion rubber ring To isocon air feeding in center pod apertures and by thimble compressed gas are exported.
Preferably, the atomizer include gas-liquid mixed chamber, atomizer and feed tube, the gas-liquid mixed chamber with point Flow tube is fixedly connected, and the atomizer and feed tube are arranged in gas-liquid mixed chamber, the lower end of the atomizer and feed liquor The upper end connection of pipe, the feed tube is used to access the liquid of isocon conveying and will be delivered to atomizer, the atomization spray Mouth is used to receive the compressed gas of isocon conveying and the liquid of feed tube conveying and atomizes the liquid into ejection.
Preferably, the gas-guide pipeline for being provided centrally with being arranged along its axis direction of the mozzle, and along axis pair Claim direction that two liquid guide pipelines are set, the gas-guide pipeline is connected with air inlet, and two liquid guide pipelines are connected with inlet; The isocon is provided with two first air inlet pod apertures and two first feed liquors symmetrical relative to air feeding in center pod apertures Pod apertures, two the first feed liquor pod apertures are located at two outsides of the first air inlet pod apertures respectively;The table of the water conservancy diversion rubber ring Face is provided centrally with the second air inlet pod apertures and circumferencial direction is provided with two the second feed liquor pod apertures, the second feed liquor water conservancy diversion The two ends in hole connect with liquid guide pipeline, the first feed liquor pod apertures respectively, one end of the second air inlet pod apertures and gas-guide pipeline Connection, the other end of the second air inlet pod apertures keeps connecting with two the first air inlet pod apertures, air feeding in center pod apertures.
Preferably, the atomizer is fixedly connected with feed tube;
The atomizer is along the circumferential direction evenly equipped with 3 nozzle air inlets, and the front end center of the atomizer is set The rear portion for having stepped atomizer liquid outlet, the atomizer is provided with the first guiding gutter, and first guiding gutter is located at The lower section of nozzle air inlet, the first guiding gutter of the atomizer aligns with the first air inlet pod apertures of isocon;
The feed tube is along the circumferential direction evenly equipped with 4 inlets, and the position of inlet is provided with the second guiding gutter, The feed tube is provided with feed tube liquid outlet in front end center;Second guiding gutter of the feed tube enters with the first of isocon Liquid pod apertures are alignd.
Preferably, the gas-liquid mixed chamber uses pyramid type, and cone angle is 55~60 °.
Relative to prior art, the utility model has the advantages that:
The utility model provides a kind of secondary-atomizing two phase flow shower nozzle, and can solve the problem that cannot be same present in prior art When take into account that atomization quantity is big, particle diameter thin, the deficiency of far firing range and directed spraying, the utility model is atomized for the first time by biphase gas and liquid flow With the mode that secondary collision is combined, secondary-atomizing is formed, the jet atomization effect of nozzle can be made more preferably, be atomized more thorough Bottom, realizes the low discharge dispenser on plant surface, so as to reduce the waste and the pollution to environment of agricultural chemicals.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The secondary-atomizing two phase flow nozzle structure schematic diagram that Fig. 1 is provided for the utility model embodiment;
Fig. 2 is the utility model embodiment secondary-atomizing two-phase flow shower nozzle front portion partial enlarged drawing;
Fig. 3 is the Structure explosion diagram of the utility model embodiment secondary-atomizing two-phase flow shower nozzle;
Fig. 4 is the structural representation of atomizer 6 of the utility model embodiment secondary-atomizing two-phase flow shower nozzle;
Fig. 5 is the structural representation of feed tube 7 of the utility model embodiment secondary-atomizing two-phase flow shower nozzle;
In Fig. 1:1. feed sleeve;1a. air inlets;1b. inlets;2. mozzle;2a. gas-guide pipelines;2b. catheters Road;3. water conservancy diversion rubber ring;3a. the second feed liquor pod apertures;3b. the second air inlet pod apertures;4. isocon;5. gas-liquid mixed chamber;6. Atomizer;7. feed tube;8. thimble.
In Fig. 2:2. mozzle;3. water conservancy diversion rubber ring;4. isocon;4a. the first air inlet pod apertures;The feed liquors of 4b. first are led Discharge orifice;4c. air feeding in center pod apertures;5. gas-liquid mixed chamber;6. atomizer;7. feed tube;8. thimble;8a. thimbles gas outlet.
In Fig. 4:6. atomizer;6a. nozzle air inlets;6b. atomizer liquid outlets;The guiding gutters of 6c. first.
In Fig. 5:7. feed tube;7a. inlet openings;7b. feed tube liquid outlets;The guiding gutters of 7c. second.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As Figure 1-Figure 5, a kind of secondary-atomizing two phase flow shower nozzle that the utility model embodiment is provided, specifically includes: Feed sleeve 1, mozzle 2, water conservancy diversion rubber ring 3, isocon 4, thimble 8 and two atomizers;
As shown in figure 1, isocon 4, mozzle 2, feed sleeve 1 are sequentially connected from front to back, isocon 4 and mozzle 2 Between be provided with water conservancy diversion rubber ring 3, specifically, water conservancy diversion rubber ring 3 is made using elastomeric material, connect and water conservancy diversion for sealing Pipe 2 and isocon 4, feed sleeve 1 are connected through a screw thread the mozzle 2 of mozzle 2 and are connected through a screw thread isocon 4, and clamping is led Stream rubber 3;The front end center both sides of isocon 4 are fixed with two atomizers, and two atomizers are respectively the first atomization spray Head and the second atomizer, the first atomizer and the second atomizer are arranged on isocon 4 in the way of inclining and be arranged symmetrically Front end, the injection direction of the first atomizer and the second atomizer is in a certain angle, the first atomizer and the second atomization The injection direction of the injection direction of shower nozzle is in that angle can need to be designed or change according to actual English, and angle can during making Carry out selection design at 90-160 °, feed sleeve 1 is provided with air inlet 1a for accessing compressed gas and for accessing liquid Inlet 1b, isocon 4 is provided with air feeding in center pod apertures 4c, air feeding in center pod apertures in the hub head end of its axis direction Be provided with thimble 8 in 4c holes, feed sleeve 1 be used for the liquid that will be accessed and compressed gas through mozzle 2, water conservancy diversion rubber ring 3, point Flow tube 4 is delivered to two atomizers and atomizes the liquid into ejection by atomizer, and the compressed gas that feed sleeve 1 is accessed are also Through mozzle 2, water conservancy diversion rubber ring 3 lead to isocon 4 air feeding in center pod apertures 4c and by thimble 8 compressed gas are defeated Go out.
Atomizer includes gas-liquid mixed chamber 5, atomizer 6 and feed tube 7, and gas-liquid mixed chamber 5 is fixed with isocon 4 and connected Connect, specifically, gas-liquid mixed chamber 5 can be achieved a fixed connection by metal-to-metal adhesive with isocon 4, atomizer 6 and feed tube 7 are set In in gas-liquid mixed chamber 5, the lower end of atomizer 6 is connected with the upper end of feed tube 7, and feed tube 7 is conveyed for accessing isocon 4 Liquid and atomizer 6 will be delivered to, atomizer 6 be used for receive isocon 4 conveying compressed gas and feed tube 7 convey Liquid and atomize the liquid into ejection.
The gas-guide pipeline 2a for being provided centrally with being arranged along its axis direction of mozzle 2, and set along axisymmetrical direction Two liquid guide pipeline 2b are put, gas-guide pipeline 2a is connected with air inlet 1a, two liquid guide pipeline 2b are connected with inlet 1b;Isocon 4 are provided with two first air inlet pod apertures 4as and the two first feed liquor pod apertures symmetrical relative to air feeding in center pod apertures 4c 4b, two the first feed liquor pod apertures 4b are located at two outsides of the first air inlet pod apertures 4a respectively;In the surface of water conservancy diversion rubber ring 3 The heart is provided with the second air inlet pod apertures 3b and circumferencial direction is provided with two second feed liquor pod apertures 3a, the second feed liquor pod apertures 3a Two ends connected with liquid guide pipeline 2b, the first feed liquor pod apertures 4b respectively, one end of the second air inlet pod apertures 3b and gas-guide pipeline 2a is connected, and the other end of the second air inlet pod apertures 3b and two the first air inlet pod apertures 4a, air feeding in center pod apertures 4c keep connecting It is logical.
Atomizer 6 is fixedly connected with feed tube 7;
Atomizer 6 is along the circumferential direction evenly equipped with 3 nozzle air inlet 6a, and the front end center of atomizer 6 is provided with rank Ladder type atomizer liquid outlet 6b, the rear portion of atomizer 6 is provided with the first guiding gutter 6c, and the first guiding gutter 6c enters positioned at nozzle The lower section of gas port 6a, the first guiding gutter 6c of atomizer 6 aligns with the first air inlet pod apertures 4a of isocon 4;
Feed tube 7 is along the circumferential direction evenly equipped with 4 inlet opening 7a, and the position of inlet opening 7a is provided with the second guiding gutter 7c, feed tube 7 is provided with feed tube liquid outlet 7b in front end center;Second guiding gutter 7c of feed tube 7 and the first of isocon 4 Feed liquor pod apertures 4b aligns.
Gas-liquid mixed chamber 5 uses pyramid type, and cone angle is 55~60 °.
The secondary-atomizing two phase flow shower nozzle of the utility model embodiment operationally, inlet of the liquid from feed sleeve 1 1b enters, and by the liquid guide pipeline 2b of mozzle 2, flows into the second feed liquor pod apertures 3a of water conservancy diversion rubber ring 3, enters back into isocon 4 the first feed liquor pod apertures 4b, flows into the second guiding gutter 7c of feed tube 7, enters back into the along the circumferential direction uniform of feed tube 7 4 inlet opening 7a, flow into the feed tube liquid outlet 7b of liquid pipe 7, enter back into the atomizer liquid outlet 6b of atomizer 6;With this Meanwhile, compressed gas enter from the air admission hole 1a of feed sleeve 1, by the gas-guide pipeline 2a of mozzle 2, flow into water conservancy diversion rubber 2 The second air inlet pod apertures 3b, a point two-way is carried out, and all the way into the first feed liquor pod apertures 4b of isocon 4, passes through atomization spray First guiding gutter 6c of mouth 6, then enters back into the nozzle air inlet 6a of atomizer 6, because nozzle air inlet 6a is circumferentially Direction is uniformly distributed 3, therefore gas enters the pyramid type inner chamber in gas-liquid mixed chamber 5 in the way of high-speed screw, in gas-liquid mixed High-speed screw air-flow, when the liquid stream at the atomizer liquid outlet 6b with atomizer 6 meets, spiral air flow are formed in chamber 5 The shearing force and impulsive force strong to liquid miscarriage life, liquid stream is crushed, and forms gas-liquid mixed stream, first time atomization is carried out, by mist The droplet particle of change is ejected at a high speed from the outlet in gas-liquid mixed chamber 5, because gas-liquid mixed chamber is arranged symmetrically, so from two The droplet particle that individual outlet is ejected at a high speed, mutually collision, splits into smaller droplet again, and this is atomized for second; The compressed gas of the second air inlet pod apertures 3b of water conservancy diversion rubber 2 are flowed into, another road enters the air feeding in center pod apertures of isocon 4 4c, flows through the thimble gas outlet 8a of thimble 8, and compressed gas are projected at a high speed, and the atomizing particle for producing is gathered shape injection to shrink To plant surface.
The utility model is atomized by the way of secondary collision is combined for the first time by said structure using biphase gas and liquid flow, Secondary-atomizing is formed, the jet atomization effect of nozzle can be made more preferably, atomization is more thorough, therefore may be implemented on plant surface Low discharge dispenser problem, reduce agricultural chemicals waste and the pollution to environment.
Although having been described for preferred embodiment of the present utility model, those skilled in the art once know substantially Creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to bag Include preferred embodiment and fall into having altered and changing for the utility model scope.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this practicality to the utility model New spirit and scope.So, if it is of the present utility model these modification and modification belong to the utility model claim and Within the scope of its equivalent technologies, then the utility model is also intended to comprising these changes and modification.

Claims (5)

1. a kind of secondary-atomizing two phase flow shower nozzle, it is characterised in that including feed sleeve (1), mozzle (2), water conservancy diversion rubber ring (3), isocon (4), thimble (8) and two atomizers;
The isocon (4), mozzle (2), feed sleeve (1) are sequentially connected from front to back, the isocon (4) and mozzle (2) water conservancy diversion rubber ring (3) is provided between;The front end center both sides of the isocon (4) are fixed with two atomizers, two Atomizer is respectively the first atomizer and the second atomizer, and first atomizer and the second atomizer are inclining The mode being arranged symmetrically is arranged on the injection direction of the front end of isocon (4), first atomizer and the second atomizer In a certain angle, the feed sleeve (1) is provided with air inlet (1a) for accessing compressed gas and for accessing liquid Inlet (1b), the isocon (4) is provided with air feeding in center pod apertures (4c) in the hub head end of its axis direction, it is described in Thimble (8) is provided with the heart air inlet pod apertures (4c) hole, the feed sleeve (1) passes through for the liquid and compressed gas that will be accessed Mozzle (2), water conservancy diversion rubber ring (3), isocon (4) are delivered to two atomizers and atomize the liquid into spray by atomizer Go out, the compressed gas that the feed sleeve (1) is accessed also are led to isocon (4) through mozzle (2), water conservancy diversion rubber ring (3) Air feeding in center pod apertures (4c) are simultaneously exported compressed gas by thimble (8).
2. a kind of secondary-atomizing two phase flow shower nozzle according to claim 1, it is characterised in that the atomizer includes gas Liquid hybrid chamber (5), atomizer (6) and feed tube (7), the gas-liquid mixed chamber (5) are fixedly connected with isocon (4), described Atomizer (6) and feed tube (7) are arranged in gas-liquid mixed chamber (5), lower end and the feed tube (7) of the atomizer (6) Upper end connection, the feed tube (7) for access isocon (4) conveying liquid and atomizer (6) will be delivered to, it is described Atomizer (6) is for receiving the compressed gas of isocon (4) conveying and the liquid of feed tube (7) conveying and atomizing the liquid into spray Go out.
3. a kind of secondary-atomizing two phase flow shower nozzle according to claim 1 and 2, it is characterised in that the mozzle (2) The gas-guide pipeline (2a) arranged along its axis direction is provided centrally with, and two liquid guide pipelines are being set along axisymmetrical direction (2b), the gas-guide pipeline (2a) connects with air inlet (1a), and two liquid guide pipelines (2b) connect with inlet (1b);Institute State isocon (4) and be provided with two first air inlet pod apertures (4a) symmetrical relative to air feeding in center pod apertures (4c) and two First feed liquor pod apertures (4b), two the first feed liquor pod apertures (4b) are located at the outer of two the first air inlet pod apertures (4a) respectively Side;The centre of surface of the water conservancy diversion rubber ring (3) is provided with the second air inlet pod apertures (3b) and circumferencial direction is provided with two Two feed liquor pod apertures (3a), the two ends of the second feed liquor pod apertures (3a) respectively with liquid guide pipeline (2b), the first feed liquor water conservancy diversion Hole (4b) connects, and one end of the second air inlet pod apertures (3b) connects with gas-guide pipeline (2a), the second air inlet pod apertures The other end of (3b) keeps connecting with two the first air inlet pod apertures (4a), air feeding in center pod apertures (4c).
4. a kind of secondary-atomizing two phase flow shower nozzle according to claim 3, it is characterised in that the atomizer (6) with Feed tube (7) is fixedly connected;
The atomizer (6) is along the circumferential direction evenly equipped with 3 nozzle air inlets (6a), in the front end of the atomizer (6) The heart is provided with stepped atomizer liquid outlet (6b), and the rear portion of the atomizer (6) is provided with the first guiding gutter (6c), institute State the first guiding gutter (6c) positioned at nozzle air inlet (6a) lower section, first guiding gutter (6c) of the atomizer (6) with point First air inlet pod apertures (4a) of flow tube (4) align;
The feed tube (7) is along the circumferential direction evenly equipped with 4 inlet openings (7a), and the position of inlet opening (7a) is provided with second Guiding gutter (7c), the feed tube (7) is provided with feed tube liquid outlet (7b) in front end center;The second of the feed tube (7) Guiding gutter (7c) aligns with the first feed liquor pod apertures (4b) of isocon (4).
5. a kind of secondary-atomizing two phase flow shower nozzle according to claim 2, it is characterised in that the gas-liquid mixed chamber (5) Using pyramid type, cone angle is 55~60 °.
CN201621355405.8U 2016-12-12 2016-12-12 A kind of secondary-atomizing two phase flow shower nozzle Active CN206253256U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107409958A (en) * 2017-07-31 2017-12-01 江苏大学 A kind of water medicine integration gas-liquid two-phase atomizer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107409958A (en) * 2017-07-31 2017-12-01 江苏大学 A kind of water medicine integration gas-liquid two-phase atomizer

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