CN106540825B - Secondary atomizing two-phase flow spray head - Google Patents
Secondary atomizing two-phase flow spray head Download PDFInfo
- Publication number
- CN106540825B CN106540825B CN201611137380.9A CN201611137380A CN106540825B CN 106540825 B CN106540825 B CN 106540825B CN 201611137380 A CN201611137380 A CN 201611137380A CN 106540825 B CN106540825 B CN 106540825B
- Authority
- CN
- China
- Prior art keywords
- pipe
- liquid
- flow
- flow guide
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0491—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid the liquid and the gas being mixed at least twice along the flow path of the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/18—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area using fluids, e.g. gas streams
Abstract
The invention discloses a secondary atomization two-phase flow spray head which comprises a feeding sleeve, a flow guide pipe, a flow guide rubber ring, a flow distribution pipe, a thimble and two atomization spray heads, wherein the feeding sleeve is connected with the flow guide pipe; the flow dividing pipe, the flow guiding pipe and the feeding sleeve are sequentially connected from front to back, and a flow guiding rubber ring is arranged between the flow dividing pipe and the flow guiding pipe; the front end center both sides of shunt tubes have linked firmly first atomizer and second atomizer, and the front end at the shunt tubes is installed with slope symmetrical arrangement's mode to first atomizer and second atomizer, and feed sleeve is provided with the inlet that is used for inserting compressed gas's air inlet and is used for inserting liquid, and the shunt tubes is provided with the center at the center front end of its axis direction and admits air the water conservancy diversion hole, and the center is admitted air the downthehole thimble that is provided with of water conservancy diversion hole. The invention adopts a mode of combining primary atomization and secondary collision of gas-liquid two-phase flow, can generate a large amount of ultrafine droplets, and overcomes the defects that the traditional technology cannot simultaneously give consideration to large atomization amount, fine particle size, long range and directional spraying.
Description
Technical Field
The invention belongs to a pesticide applying device in the field of plant protection machinery, and particularly relates to a secondary atomization two-phase flow spray head.
Background
The chemical prevention and control has the characteristics of high work efficiency, timely prevention and control and the like, and plays a great role in crop protection. According to statistics, the chemical prevention and control of the Chinese plant diseases and insect pests saves the grain yield loss by more than 750 hundred million kG year, which accounts for about 15 percent of the annual yield of the Chinese grains, and the chemical prevention and control is an effective measure for reducing the frequent occurrence of diseases, insect pests and weeds of crops, ensuring the stable yield and the yield of the grains and the quality safety of agricultural products.
At present, the manual sprayer with a simple structure is commonly used in Chinese agriculture for large-spraying-amount, blind and asymmetric pesticide application, the phenomena of 'running, overflowing, dripping, leaking' and the like are common and serious, the spraying amount of the pesticide is large, the particle size of generated fog drops is thick, the attachment rate on crops is low, the pesticide utilization rate is only about 30%, and the control effect is reduced and the pesticide dosage is increased. In addition, most of the pesticides in the conventional spraying are settled to the land and drift to the surrounding environment, so that the agricultural ecological environment is seriously polluted and damaged, the quality safety problem of agricultural products is caused, and even the poisoning of people and livestock is caused. In recent years, ultra-low-volume spraying is a pesticide application technology which is widely popularized in the plant protection industry. Research results show that compared with conventional spraying, the ultra-low-amount spraying can save 10-30% of pesticide.
Disclosure of Invention
The invention aims to provide a secondary atomization two-phase flow spray head aiming at the defects in the prior art, secondary atomization is formed in a mode of combining primary atomization and secondary collision of gas-liquid two-phase flow, the spray atomization effect is better, and the atomization is more thorough.
In order to realize the purpose, the technical scheme adopted by the invention is as follows:
the secondary atomization two-phase flow spray nozzle comprises a feed sleeve, a flow guide pipe, a flow guide rubber ring, a flow distribution pipe, a thimble and two atomization spray nozzles;
the flow dividing pipe, the flow guiding pipe and the feeding sleeve are sequentially connected from front to back, and a flow guiding rubber ring is arranged between the flow dividing pipe and the flow guiding pipe; the front end center both sides of shunt tubes have linked firmly two atomizer, and two atomizer are first atomizer and second atomizer respectively, the front end at the shunt tubes is installed with the mode of slope symmetrical arrangement to first atomizer and second atomizer, the direction of injection of first atomizer and second atomizer is certain contained angle, feed sleeve is provided with the inlet that is used for inserting compressed gas's air inlet and is used for inserting liquid, the shunt tubes is provided with the central water conservancy diversion hole that admits air at the center front end of its axis direction, the downthehole thimble that is provided with of central water conservancy diversion hole that admits air, feed sleeve is used for carrying the liquid and the compressed gas that insert to two atomizer and spout liquid atomization through atomizer through honeycomb duct, water conservancy diversion rubber circle, shunt tubes, the compressed gas that feed sleeve inserted still passes through honeycomb duct, The flow guide rubber ring is communicated with the central air inlet flow guide hole of the flow dividing pipe and outputs compressed air through the ejector pin.
Preferably, atomizer includes gas-liquid mixture chamber, atomizing nozzle and feed liquor pipe, gas-liquid mixture chamber and shunt tubes fixed connection, atomizing nozzle and feed liquor pipe set up in the gas-liquid mixture intracavity, atomizing nozzle's lower extreme is connected with the upper end of feed liquor pipe, the feed liquor pipe is used for inserting the liquid that the shunt tubes carried and will carry to atomizing nozzle, atomizing nozzle is used for receiving the compressed gas that the shunt tubes carried and the liquid that the feed liquor pipe carried and spouts the liquid atomization.
Preferably, the center of the draft tube is provided with an air guide pipeline arranged along the axial direction of the draft tube, and two liquid guide pipelines are arranged along the axial symmetry direction, the air guide pipeline is communicated with the air inlet, and the two liquid guide pipelines are communicated with the liquid inlet; the flow dividing pipe is provided with two first air inlet flow guide holes and two first liquid inlet flow guide holes which are symmetrical relative to the central air inlet flow guide hole, and the two first liquid inlet flow guide holes are respectively positioned at the outer sides of the two first air inlet flow guide holes; the surperficial center of water conservancy diversion rubber circle is provided with that the second admits air water conservancy diversion hole and circumferencial direction are provided with two second feed liquor water conservancy diversion holes, the both ends in second feed liquor water conservancy diversion hole communicate with liquid guide pipeline, first feed liquor water conservancy diversion hole respectively, the one end and the air duct way intercommunication in water conservancy diversion hole are admitted air to the second, the other end in water conservancy diversion hole and two first air admission water conservancy diversion holes, the center of admitting air water conservancy diversion hole that admits air of second keep the intercommunication.
Preferably, the atomizing nozzle is fixedly connected with the liquid inlet pipe;
3 nozzle air inlets are uniformly distributed in the atomizing nozzle along the circumferential direction, a stepped atomizing nozzle liquid outlet is formed in the center of the front end of the atomizing nozzle, a first flow guide groove is formed in the rear part of the atomizing nozzle and is positioned below the nozzle air inlets, and the first flow guide groove of the atomizing nozzle is aligned with the first air inlet flow guide hole of the flow dividing pipe;
the liquid inlet pipe is uniformly provided with 4 liquid inlets along the circumferential direction, a second diversion trench is arranged at the position of each liquid inlet, and the center of the front end of the liquid inlet pipe is provided with a liquid inlet pipe liquid outlet; and the second diversion trench of the liquid inlet pipe is aligned with the first liquid inlet diversion hole of the diversion pipe.
Preferably, the gas-liquid mixing cavity is conical, and the cone angle is 55-60 degrees.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a secondary atomization two-phase flow spray head, which can solve the defects that the prior art cannot simultaneously consider large atomization amount, small particle size, long range and directional spraying.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a two-phase flow nozzle for secondary atomization according to an embodiment of the present invention;
FIG. 2 is a partially enlarged view of a front portion of a secondary atomizing two-phase flow nozzle according to an embodiment of the present invention;
fig. 3 is an exploded view of a secondary atomizing two-phase flow showerhead in accordance with an embodiment of the present invention;
fig. 4 is a schematic structural view of an atomizing nozzle 6 of a two-phase flow nozzle for secondary atomization according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a liquid inlet pipe 7 of the secondary atomization two-phase flow nozzle in the embodiment of the invention;
in fig. 1: 1. a feed sleeve; 1a, an air inlet; 1b, a liquid inlet; 2. a flow guide pipe; 2a. a gas conducting pipeline; 2b, a liquid guide pipeline; 3. a flow guide rubber ring; a second liquid inlet diversion hole; 3b, a second air inlet diversion hole; 4. a shunt tube; 5. a gas-liquid mixing chamber; 6. an atomizing nozzle; 7. a liquid inlet pipe; 8. and (4) a thimble.
In FIG. 2, 2. a flow guide pipe; 3. a flow guide rubber ring; 4. a shunt tube; 4a, a first air inlet diversion hole; 4b, a first liquid inlet diversion hole; 4c, a central air inlet diversion hole; 5. a gas-liquid mixing chamber; 6. an atomizing nozzle; 7. a liquid inlet pipe; 8. a thimble; and 8a, a thimble air outlet.
FIG. 4 is a schematic view showing an atomizing nozzle 6; 6a, a nozzle air inlet; 6b, atomizing nozzle liquid outlet; 6c, a first diversion trench.
In FIG. 5, 7 is a liquid inlet pipe; 7a, a liquid inlet hole; 7b, a liquid outlet of the liquid inlet pipe; and 7c, a second diversion trench.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to fig. 5, the two-phase atomizing nozzle provided in the embodiment of the present invention specifically includes: the device comprises a feeding sleeve 1, a flow guide pipe 2, a flow guide rubber ring 3, a flow guide pipe 4, a thimble 8 and two atomizing nozzles;
as shown in fig. 1, a flow dividing pipe 4, a flow guiding pipe 2 and a feeding sleeve 1 are sequentially connected from front to back, a flow guiding rubber ring 3 is arranged between the flow dividing pipe 4 and the flow guiding pipe 2, specifically, the flow guiding rubber ring 3 is made of rubber materials and used for sealing the flow guiding pipe 2 and the flow dividing pipe 4, the feeding sleeve 1 is connected with the flow guiding pipe 2 through threads, the flow dividing pipe 2 is connected with the flow dividing pipe 4 through threads, and the flow guiding rubber 3 is clamped; two atomizing nozzles are fixedly connected to two sides of the center of the front end of the flow dividing pipe 4, the two atomizing nozzles are respectively a first atomizing nozzle and a second atomizing nozzle, the first atomizing nozzle and the second atomizing nozzle are installed at the front end of the flow dividing pipe 4 in an inclined symmetrical arrangement mode, the spraying directions of the first atomizing nozzle and the second atomizing nozzle form a certain included angle, the included angle formed by the spraying directions of the first atomizing nozzle and the second atomizing nozzle can be designed or changed according to actual English requirements, the included angle can be selected and designed at 90-160 degrees during manufacturing, the feeding sleeve 1 is provided with an air inlet 1a for connecting compressed air and a liquid inlet 1b for connecting liquid, the flow dividing pipe 4 is provided with a central air inlet flow guide hole 4c at the center front end of the axis direction of the flow dividing pipe 4, a thimble 8 is arranged in the central air inlet flow guide hole 4c, and the feeding sleeve 1 is used for connecting the liquid and the compressed air through a flow guide pipe 2, The flow guide rubber ring 3 and the flow distribution pipe 4 are conveyed to the two atomizing nozzles and atomize and spray liquid through the atomizing nozzles, and compressed gas accessed by the feeding sleeve 1 is also led to a central gas inlet flow guide hole 4c of the flow distribution pipe 4 through the flow guide pipe 2 and the flow guide rubber ring 3 and is output through the thimble 8.
Atomizer includes gas-liquid mixing chamber 5, atomizing nozzle 6 and feed liquor pipe 7, gas- liquid mixing chamber 5 and 4 fixed connection of shunt tubes, it is specific, 5 accessible metal glues and 4 realization fixed connection of shunt tubes in gas-liquid mixing chamber, atomizing nozzle 6 and feed liquor pipe 7 set up in gas-liquid mixing chamber 5, atomizing nozzle 6's lower extreme is connected with the upper end of feed liquor pipe 7, feed liquor pipe 7 is used for inserting the liquid that shunt tubes 4 carried and will carry to atomizing nozzle 6, atomizing nozzle 6 is used for receiving the compressed gas that shunt tubes 4 carried and the liquid that feed liquor pipe 7 carried and atomizes the blowout with liquid.
The center of the draft tube 2 is provided with an air guide pipeline 2a arranged along the axial direction of the draft tube, and two liquid guide pipelines 2b are arranged along the axial symmetry direction, the air guide pipeline 2a is communicated with the air inlet 1a, and the two liquid guide pipelines 2b are communicated with the liquid inlet 1 b; the flow dividing pipe 4 is provided with two first air inlet diversion holes 4a and two first liquid inlet diversion holes 4b which are symmetrical relative to the central air inlet diversion hole 4c, and the two first liquid inlet diversion holes 4b are respectively positioned at the outer sides of the two first air inlet diversion holes 4 a; the center of the surface of the flow guide rubber ring 3 is provided with a second air inlet flow guide hole 3b, two second liquid inlet flow guide holes 3a are formed in the circumferential direction, two ends of each second liquid inlet flow guide hole 3a are respectively communicated with the liquid guide pipeline 2b and the first liquid inlet flow guide hole 4b, one end of each second air inlet flow guide hole 3b is communicated with the air guide pipeline 2a, and the other end of each second air inlet flow guide hole 3b is communicated with the two first air inlet flow guide holes 4a and the central air inlet flow guide hole 4c.
The atomizing nozzle 6 is fixedly connected with the liquid inlet pipe 7;
3 nozzle air inlets 6a are uniformly distributed on the atomizing nozzle 6 along the circumferential direction, a stepped atomizing nozzle liquid outlet 6b is arranged at the center of the front end of the atomizing nozzle 6, a first flow guide groove 6c is arranged at the rear part of the atomizing nozzle 6, the first flow guide groove 6c is positioned below the nozzle air inlet 6a, and the first flow guide groove 6c of the atomizing nozzle 6 is aligned with the first air inlet flow guide hole 4a of the flow dividing pipe 4;
the liquid inlet pipe 7 is uniformly provided with 4 liquid inlet holes 7a along the circumferential direction, a second diversion trench 7c is arranged at the position of the liquid inlet hole 7a, and a liquid inlet pipe liquid outlet 7b is arranged at the center of the front end of the liquid inlet pipe 7; the second guide groove 7c of the liquid inlet pipe 7 is aligned with the first liquid inlet guide hole 4b of the shunt pipe 4.
The gas-liquid mixing cavity 5 is conical, and the cone angle is 55-60 degrees.
When the secondary atomization two-phase flow spray head works, liquid enters from a liquid inlet 1b of a feed sleeve 1, flows into a second liquid inlet diversion hole 3a of the diversion rubber ring 3 through a liquid guide pipeline 2b of the diversion pipe 2, then enters a first liquid inlet diversion hole 4b of the diversion pipe 4, flows into a second diversion trench 7c of the liquid inlet pipe 7, then enters 4 liquid inlet holes 7a uniformly distributed in the circumferential direction of the liquid inlet pipe 7, flows into a liquid inlet pipe liquid outlet 7b of the liquid inlet pipe 7, and then enters an atomization nozzle liquid outlet 6b of the atomization nozzle 6; meanwhile, compressed gas enters from an air inlet 1a of the feeding sleeve 1, passes through an air guide pipe 2a of the guide pipe 2, flows into a second air inlet guide hole 3b of the guide rubber 2, is divided into two paths, one path enters a first liquid inlet guide hole 4b of the flow dividing pipe 4, then flows through a first guide groove 6c of the atomizing nozzle 6, and then enters a nozzle air inlet 6a of the atomizing nozzle 6, because the nozzle air inlet 6a is uniformly distributed with 3 paths along the circumferential direction, the gas enters a conical inner cavity of the gas-liquid mixing cavity 5 in a high-speed spiral mode, high-speed spiral airflow is formed in the gas-liquid mixing cavity 5, when meeting liquid flow at an atomizing nozzle liquid outlet 6b of the atomizing nozzle 6, the spiral airflow generates strong shearing force and impact force on the liquid flow, the liquid flow is crushed, gas-liquid mixed flow is formed, primary atomization is carried out, atomized fog drop particles are ejected from the air outlet of the gas-liquid mixing cavity 5 at a high speed, because the gas-liquid mixing chambers are symmetrically arranged, the fog drop particles sprayed from the two outlets at high speed collide with each other again and are split into smaller fog drops, which is the second atomization; the compressed air flowing into the second air inlet flow guide hole 3b of the flow guide rubber 2 enters the central air inlet flow guide hole 4c of the flow dividing pipe 4 through the thimble air outlet 8a of the thimble 8, the compressed air is ejected at a high speed, and the generated atomized particles are ejected to the surface of the plant in a shrinkage and gathering shape.
Through the structure, the secondary atomization is formed by adopting a mode of combining primary atomization and secondary collision of gas-liquid two-phase flow, so that the spray atomization effect of the nozzle is better, and the atomization is more thorough, so that the problem of low-flow pesticide application on the surface of a plant can be realized, and the waste of pesticide and the pollution to the environment are reduced.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. The secondary atomization two-phase flow spray head is characterized by comprising a feeding sleeve (1), a flow guide pipe (2), a flow guide rubber ring (3), a flow distribution pipe (4), a thimble (8) and two atomization spray heads; the flow dividing pipe (4), the flow guiding pipe (2) and the feeding sleeve (1) are sequentially connected from front to back, and a flow guiding rubber ring (3) is arranged between the flow dividing pipe (4) and the flow guiding pipe (2); front end center both sides of shunt tubes (4) have linked firmly two atomizer, and two atomizer are first atomizer and second atomizer respectively, the front end at shunt tubes (4) is installed with slope symmetrical arrangement's mode to first atomizer and second atomizer, first atomizer with the contained angle that the injection direction of second atomizer was is at 90-160, feed sleeve (1) is provided with air inlet (1a) that are used for inserting compressed gas and inlet (1b) that are used for inserting liquid, shunt tubes (4) are provided with the center at its axis direction's center front end and admit air water conservancy diversion hole (4c) admits air in the center, the downthehole thimble (8) that is provided with of water conservancy diversion hole (4c) admits air in the center, feed sleeve (1) are used for liquid and the compressed gas who inserts through honeycomb duct (2), water conservancy diversion rubber circle (3), The distributing pipe (4) is conveyed to the two atomizing nozzles and atomizes and sprays liquid through the atomizing nozzles, and compressed gas accessed by the feeding sleeve (1) is communicated to a central air inlet and guide hole (4c) of the distributing pipe (4) through the guide pipe (2) and the guide rubber ring (3) and is output through the ejector pin (8); atomizer includes gas-liquid mixture chamber (5), atomizing nozzle (6) and feed liquor pipe (7), gas-liquid mixture chamber (5) and shunt tubes (4) fixed connection, atomizing nozzle (6) and feed liquor pipe (7) set up in gas-liquid mixture chamber (5), the lower extreme of atomizing nozzle (6) is connected with the upper end of feed liquor pipe (7), feed liquor pipe (7) are used for inserting the liquid that shunt tubes (4) carried and will carry to atomizing nozzle (6), atomizing nozzle (6) are used for receiving the liquid that compressed gas and feed liquor pipe (7) carried that shunt tubes (4) carried and spout the liquid atomization.
2. The two-phase secondary atomization spray nozzle of claim 1, wherein the center of the flow guide pipe (2) is provided with an air guide pipeline (2a) arranged along the axial direction of the flow guide pipe, and two liquid guide pipelines (2b) are arranged along the axial symmetry direction, the air guide pipeline (2a) is communicated with the air inlet (1a), and the two liquid guide pipelines (2b) are communicated with the liquid inlet (1 b); the flow dividing pipe (4) is provided with two first air inlet diversion holes (4a) and two first liquid inlet diversion holes (4b) which are symmetrical relative to the central air inlet diversion hole (4c), and the two first liquid inlet diversion holes (4b) are respectively positioned on the outer sides of the two first air inlet diversion holes (4 a); the surface center of water conservancy diversion rubber ring (3) is provided with second inlet flow guide hole (3b) and circumferencial direction and is provided with two second feed liquor flow guide holes (3a), the both ends of second feed liquor flow guide hole (3a) communicate with catheter way (2b), first feed liquor flow guide hole (4b) respectively, the one end and air duct way (2a) intercommunication of second inlet flow guide hole (3b), the other end and two first inlet flow guide hole (4a), the central inlet flow guide hole (4c) of second inlet flow guide hole (3b) keep the intercommunication.
3. The two-phase secondary atomization spray head of claim 2, wherein the atomization nozzle (6) is fixedly connected with a liquid inlet pipe (7); 3 nozzle air inlets (6a) are uniformly distributed on the atomizing nozzle (6) along the circumferential direction, a stepped atomizing nozzle liquid outlet (6b) is formed in the center of the front end of the atomizing nozzle (6), a first flow guide groove (6c) is formed in the rear portion of the atomizing nozzle (6), the first flow guide groove (6c) is located below the nozzle air inlets (6a), and the first flow guide groove (6c) of the atomizing nozzle (6) is aligned with the first air inlet flow guide hole (4a) of the flow dividing pipe (4); the liquid inlet pipe (7) is uniformly provided with 4 liquid inlet holes (7a) along the circumferential direction, a second diversion trench (7c) is arranged at the position of the liquid inlet hole (7a), and a liquid inlet pipe liquid outlet (7b) is arranged at the center of the front end of the liquid inlet pipe (7); the second diversion trench (7c) of the liquid inlet pipe (7) is aligned with the first liquid inlet diversion hole (4b) of the diversion pipe (4).
4. The two-phase secondary atomization spray nozzle of claim 2, wherein the gas-liquid mixing cavity (5) is conical, and the cone angle is 55-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611137380.9A CN106540825B (en) | 2016-12-12 | 2016-12-12 | Secondary atomizing two-phase flow spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611137380.9A CN106540825B (en) | 2016-12-12 | 2016-12-12 | Secondary atomizing two-phase flow spray head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106540825A CN106540825A (en) | 2017-03-29 |
| CN106540825B true CN106540825B (en) | 2022-06-10 |
Family
ID=58397690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611137380.9A Active CN106540825B (en) | 2016-12-12 | 2016-12-12 | Secondary atomizing two-phase flow spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106540825B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457101A (en) * | 2017-09-08 | 2017-12-12 | 王文联 | A kind of mixing wastewater with air shower nozzle |
| CN107737685B (en) * | 2017-12-04 | 2023-12-01 | 北京东方金荣超声电器有限公司 | Large-width ultrasonic spraying nozzle |
| CN108187938A (en) * | 2018-03-02 | 2018-06-22 | 苏州赛德福科学仪器有限公司 | A kind of nozzle of evaporative light scattering detector |
| CN110538735A (en) * | 2019-09-06 | 2019-12-06 | 湘潭大学 | atomizing nozzle combining internal mixing and external mixing |
| GB201913116D0 (en) * | 2019-09-11 | 2019-10-23 | Gjosa Sa | A shower head insert |
| CN112808480A (en) * | 2021-01-18 | 2021-05-18 | 北京欣迪康泰科技有限公司 | Space biochemical safety deals with uses atomizing device |
| CN115316695B (en) * | 2022-06-29 | 2023-12-05 | 北京市农林科学院智能装备技术研究中心 | Spraying device |
| CN115569759B (en) * | 2022-12-09 | 2023-02-03 | 华北理工大学 | Foldable injection device |
| CN116921091B (en) * | 2023-09-18 | 2023-12-05 | 国检测试控股集团辽宁有限公司 | Atomizer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2636988Y (en) * | 2003-08-08 | 2004-09-01 | 江苏博际喷雾***有限公司 | Ultra-fine atomization spray nozzle |
| CN201108867Y (en) * | 2007-10-24 | 2008-09-03 | 斯普瑞喷雾***(上海)有限公司 | Semi-internal mixing spray nozzle |
| CN202497968U (en) * | 2012-02-24 | 2012-10-24 | 东莞市长原科技实业有限公司 | Micro-fog humidifier nozzle |
| CN104039461A (en) * | 2012-01-13 | 2014-09-10 | 超级雪花有限责任合伙公司 | Nozzle for spraying liquid, especially water in a snow production cannon |
| CN104874500A (en) * | 2015-06-04 | 2015-09-02 | 北京七星华创电子股份有限公司 | Two-phase flow atomizing cleaner |
| CN105910213A (en) * | 2016-05-18 | 2016-08-31 | 上海小雾环境科技有限公司 | Micro-mist humidifier |
| CN206253256U (en) * | 2016-12-12 | 2017-06-16 | 江苏省农业科学院 | A kind of secondary-atomizing two phase flow shower nozzle |
-
2016
- 2016-12-12 CN CN201611137380.9A patent/CN106540825B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2636988Y (en) * | 2003-08-08 | 2004-09-01 | 江苏博际喷雾***有限公司 | Ultra-fine atomization spray nozzle |
| CN201108867Y (en) * | 2007-10-24 | 2008-09-03 | 斯普瑞喷雾***(上海)有限公司 | Semi-internal mixing spray nozzle |
| CN104039461A (en) * | 2012-01-13 | 2014-09-10 | 超级雪花有限责任合伙公司 | Nozzle for spraying liquid, especially water in a snow production cannon |
| EP2802420A2 (en) * | 2012-01-13 | 2014-11-19 | Supersnow Spólka Z Ograniczona Odpowiedzialnoscia | Nozzle for spraying liquid, especially water in a snow production cannon |
| CN202497968U (en) * | 2012-02-24 | 2012-10-24 | 东莞市长原科技实业有限公司 | Micro-fog humidifier nozzle |
| CN104874500A (en) * | 2015-06-04 | 2015-09-02 | 北京七星华创电子股份有限公司 | Two-phase flow atomizing cleaner |
| CN105910213A (en) * | 2016-05-18 | 2016-08-31 | 上海小雾环境科技有限公司 | Micro-mist humidifier |
| CN206253256U (en) * | 2016-12-12 | 2017-06-16 | 江苏省农业科学院 | A kind of secondary-atomizing two phase flow shower nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106540825A (en) | 2017-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106540825B (en) | Secondary atomizing two-phase flow spray head | |
| RU2557505C1 (en) | Centrifugal swirl atomiser of kochstar type | |
| US4128206A (en) | Low drift flat spray nozzle and method | |
| US4815665A (en) | Air assisted nozzle with deflector discharge means | |
| RU2427402C1 (en) | Kochetov's sprayer | |
| RU2554331C1 (en) | Kochetov's centrifugal vortex burner | |
| RU2532725C1 (en) | Centifugal swirl atomiser of kochstar type | |
| CN205128236U (en) | Air suction formula agricultural atomizer shower nozzle of controllable flow | |
| RU2437724C2 (en) | Liquid sprayer nozzle (versions) | |
| EP3204168A1 (en) | Atomizer nozzle | |
| MX2015002057A (en) | Full cone air-assisted spray nozzle assembly. | |
| CN104759372A (en) | Vortex street atomizing nozzle | |
| US11865555B2 (en) | Low drift flat fan spray nozzle | |
| US8851403B2 (en) | Multiple discharge air induction spray nozzle assembly | |
| US20050089408A1 (en) | Fluid ejector pumps | |
| CN206253256U (en) | A kind of secondary-atomizing two phase flow shower nozzle | |
| RU2536396C1 (en) | Centifugal swirl atomiser of kochstar type | |
| CN105289863A (en) | Tangential centrifugal agricultural sprayer nozzle with two spraying hole sheets | |
| CN207531760U (en) | nozzle and spraying device | |
| CN205128215U (en) | Centrifugal agricultural atomizer shower nozzle in tangential of two orifice pieces | |
| RU2577653C1 (en) | Kochetov centrifugal vortex burner | |
| CN214021453U (en) | Aviation spraying particle size whirl atomizer | |
| RU2615248C1 (en) | Kochetov centrifugal vortex nozzle | |
| CN109084297A (en) | High-efficiency atomizing nozzle | |
| CN205833418U (en) | Nozzle and there is its spray nozzle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |