CN114682404A - External rotational flow cross hole ejector - Google Patents
External rotational flow cross hole ejector Download PDFInfo
- Publication number
- CN114682404A CN114682404A CN202011638476.XA CN202011638476A CN114682404A CN 114682404 A CN114682404 A CN 114682404A CN 202011638476 A CN202011638476 A CN 202011638476A CN 114682404 A CN114682404 A CN 114682404A
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- CN
- China
- Prior art keywords
- cavity
- cross
- fluid
- channel
- tapered
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000007924 injection Substances 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 abstract description 21
- 239000007921 spray Substances 0.000 abstract description 13
- 238000002156 mixing Methods 0.000 abstract description 12
- 238000000889 atomisation Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 238000005507 spraying Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 3
- 239000005052 trichlorosilane Substances 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
Abstract
The invention discloses an external rotational flow cross hole ejector, belonging to the technical field of ejectors, comprising: the body is provided with a first cavity, a third cavity and a second cavity, wherein the first cavity and the third cavity are arranged up and down, and the second cavity is arranged on the periphery of the first cavity and the third cavity; the first cavity and the third cavity are communicated through a first channel; an injection cylinder is arranged between the second cavity and the third cavity, and a plurality of second channels communicated with the second cavity and the third cavity are arranged on the injection cylinder. The ejector with the crossed holes can be used for enhancing the effect of crushing, atomizing and mixing the fluid; high-disturbance cross spray holes are adopted, so that disturbance can be effectively enhanced, and spray crushing and atomization are promoted; meanwhile, the second fluid with rotational flow is shot to the fluid first cavity at high speed, is mixed with the first fluid, enhances the mixing and assists the atomization of the first fluid; the sprayer provided by the invention can effectively improve the fluid mixing uniformity, the spray particle size is reduced by more than 25% under the same spray pressure, and the fluid evaporation, atomization and mixing efficiency is improved by more than 50%.
Description
Technical Field
The invention belongs to the technical field of ejectors, and particularly relates to an external swirl cross hole ejector.
Background
The ejector is applied to various spraying, atomizing, oil spraying, sand blasting, spraying and other equipment, plays an important role, and is a part which is very critical to influence the fluid atomization effect.
The use of injectors in the industry is very widespread:
for example, in the field of internal combustion engines, during the fuel atomization and injection process in the engine cylinder, the fuel atomization effect has a great influence on the fuel combustion effect, thereby directly influencing the pollutant discharge amount. As national emission regulations become more stringent, the requirements for fuel injectors become more stringent.
For example, in an engine aftertreatment system, in order to reduce the amount of NOx emissions, a reductant is injected into the exhaust gas, mixed with NOx and reacted in an SCR system to reduce the emissions. However, the atomization effect of the reducing agent is to be improved, and there is a problem of crystallization.
For example, the mixed gas of trichlorosilane and hydrogen in the field of polysilicon production enters a furnace chamber of a reduction furnace through a mixed gas nozzle, the reaction is completed at high temperature and high pressure, and the generated silicon is deposited on a silicon core rod.
But unqualified polysilicon can be generated in the process, and the phenomenon of silicon melting such as burning flow and the like can occur in serious cases, so that the appearance quality of the polysilicon is greatly reduced, and the processing and the sale of products are not facilitated.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme:
an external swirl cross-hole injector comprising: the body is provided with a first cavity, a third cavity and a second cavity, wherein the first cavity and the third cavity are arranged up and down, and the second cavity is arranged on the periphery of the first cavity and the third cavity;
the first cavity and the third cavity are communicated through a first channel; an injection cylinder is arranged between the second cavity and the third cavity, and a plurality of second channels communicated with the second cavity and the third cavity are arranged on the injection cylinder.
Further, the first channel is at least 1 branch flow and confluence channel, wherein the branch flow part is arranged at one side close to the first cavity.
Further, the longitudinal section of the first channel is one of a tapered type, a divergent type, a tapered divergent type, or a tapered divergent type.
Further, the first channel is a single-hole channel, and the single-hole channel is a straight cylindrical round hole.
Further, the center line of the second channel is obliquely arranged with the radial section of the spray cylinder, and the included angle is more than or equal to 0 degrees and less than arcsin (R1/R2), wherein R1 is the inner diameter of the spray cylinder, and R2 is the outer diameter of the spray cylinder.
Further, the inclined included angles between the central lines of the second passages and the radial section of the injection cylinder are arranged in the same or different modes.
Further, an included angle between a center line of the second channel and an axis of the injection cylinder is β, where the included angle β between the center line of the second channel and the axis of the injection cylinder is a right angle or a non-right angle, and included angles β between the center lines of the plurality of second channels and the axis of the injection cylinder are the same or different.
Further, the longitudinal section of the second channel is one of a straight cylinder type, a tapered type, a divergent type, a tapered divergent type, or a tapered divergent type.
Further, the longitudinal section of the injection cylinder is in a splayed shape which expands outwards.
Has the beneficial effects that:
the invention provides an external swirl cross hole injector, firstly, the injector with cross holes can be used for enhancing the effect of crushing, atomizing and mixing fluid; secondly, high-disturbance cross spray holes are adopted, so that disturbance can be effectively enhanced, and spray crushing and atomization are promoted; meanwhile, the second fluid with rotational flow is shot to the fluid first cavity at high speed, is mixed with the first fluid, enhances the mixing and assists the atomization of the first fluid; thirdly, the ejector provided by the invention can effectively improve the fluid mixing uniformity, the spray particle size is reduced by more than 25% under the same spray pressure, and the fluid evaporation, atomization and mixing efficiency is improved by more than 50%.
Simultaneously, compare with prior art, can strengthen the inside turbulence disturbance of orifice of sprayer, obtain better mixing and injection characteristic, the air is at the supplementary spraying atomizing of the outside high-speed whirl of sprayer and mixes, can further promote the evaporation pyrolysis speed of spraying.
Drawings
FIG. 1 is a schematic view of a swirl cross hole injector structure outside a straight barrel type injection barrel;
FIG. 2 is a schematic structural view of an external swirl cross-hole injector of a splayed injection cylinder;
FIG. 3 is a schematic diagram of a splayed spray barrel external swirl cross-hole injector structure with beta < 90;
FIG. 4 is a schematic cross-sectional view of a second channel in the form of a straight tube;
FIG. 5 is a schematic cross-sectional view of a second channel in a tapered form;
FIG. 6 is a schematic cross-sectional view of a second channel of a divergent type;
FIG. 7 is a schematic cross-sectional view of a second channel of a tapered and diverging type;
FIG. 8 is a schematic cross-sectional view of a second channel of a tapered type;
FIG. 9 is a schematic cross-sectional view of a second passage hole of a straight tube type;
FIG. 10 is a schematic cross-sectional view of a second channel in the form of a straight tube;
FIG. 11 is a schematic cross-sectional view of a first channel being a straight cylinder;
FIG. 12 is a schematic cross-sectional view of the first channel being a straight tubular;
FIG. 13 is a schematic cross-sectional view of a first channel that is tapered;
FIG. 14 is a schematic cross-sectional view of a first channel that is divergent;
FIG. 15 is a schematic cross-sectional view of a first channel of the tapered and diverging type;
FIG. 16 is a schematic cross-sectional view of a first passage of a diverging and converging type;
wherein, 1, a first cavity; 2. a second lumen; 3. a first channel; 4. a second channel; 5. an ejection cartridge; 6. and a third cavity.
Detailed Description
Example 1
An external swirl cross-hole injector comprising: the device comprises a body, a first cavity body 1, a third cavity body 6 and a second cavity body 2, wherein the first cavity body 1 and the third cavity body 6 are arranged up and down, and the second cavity body 2 is arranged at the periphery of the first cavity body 1 and the third cavity body 6;
the first cavity 1 is communicated with the third cavity 6 through a first channel 3; an injection cylinder 5 is arranged between the second cavity 2 and the third cavity 6, and a plurality of second channels 4 for communicating the second cavity 2 with the third cavity 6 are arranged on the injection cylinder 5.
In the present embodiment, the first chamber 1, the second chamber 2, and the third chamber 6 are coaxially disposed.
Wherein the third cavity 6 is a mixing cavity.
The first channel 3 is at least 1 split-flow merging channel, wherein the split-flow part is arranged at one side close to the first cavity 1.
In this embodiment, the first channel 3 adopts a cross-jet structure, which enhances the turbulence of the mixed fluid and is beneficial to spray atomization.
Wherein, the longitudinal section shape of the first channel 3 is one of a tapered type, a gradually expanding type or a gradually expanding and gradually contracting type.
In other embodiments, the first channel 3 is a single-hole channel, and the single-hole channel is a straight cylindrical circular hole.
In the present embodiment, the center line of the second passage 4 is inclined at an angle of 0 ° or more a < arcsin (R1/R2) with respect to the radial cross-section of the cartridge 5, where R1 is the inner diameter of the cartridge 5 and R2 is the outer diameter of the cartridge 5.
Wherein the inclined angles between the center lines of the plurality of second passages 4 and the radial section of the injection cylinder 5 may be the same.
In other embodiments, the inclined angles between the centerlines of the plurality of second passages 4 and the radial section of the ejection cylinder 5 may be arranged differently.
In the present embodiment, an included angle β between the center line of the second channel 4 and the axis of the injection cylinder 5 is β, where the included angles β between the center lines of the plurality of second channels 4 and the axis of the injection cylinder 5 may all be right angles;
the included angles β between the center lines of the plurality of second passages 4 and the axis of the ejection cylinder 5 may be all non-right angles, or the included angles β between the center lines of some of the second passages 4 and the axis of the ejection cylinder 5 may be right angles, and the remaining included angles may be non-right angles.
The included angles beta between the central lines of the second passages 4 and the axis of the injection cylinder 5 can be the same or different.
In the present embodiment, the longitudinal sectional shape of the second passage 4 is one of a straight cylinder type, a tapered type, a divergent type, a tapered divergent type, or a tapered divergent type.
The longitudinal section of the injection cylinder 5 is cylindrical or splayed outwards.
The inclined angle between the central line of the second passages 4 and the radial section of the injection cylinder 5 and the inclined angle β between the central line of the second passages 4 and the axis of the injection cylinder 5 can be set in any combination.
In the working principle of the embodiment: the first fluid is sprayed into the third cavity 6 from the first cavity 1 through the first channel 3, the second fluid increases the rotational velocity from the second cavity 2 through the second channel 4, and the second fluid is sprayed into the third cavity 6 at a high speed to be mixed with the first fluid, so that the spraying effect of the first fluid is enhanced.
Example 2
In the embodiment, an external swirl cross-hole injector is adopted, in the case of mixing gas and liquid, in order to reduce the discharge amount of NOx in an engine aftertreatment system, a reducing agent is injected into tail gas, an air-assisted nozzle is applied, NH3 in urea is mixed with NOx and then reacts in an SCR system, the discharge is reduced, and the problem of crystallization of a urea solution is effectively relieved.
In this embodiment, the first chamber is used for inputting liquid, and the second chamber is used for inputting gas.
Example 3
In the embodiment, an external rotational flow cross hole ejector is adopted, and in the case of mixing two gases, the mixed gas of trichlorosilane and hydrogen in the field of polycrystalline silicon production enters a furnace chamber of a reduction furnace through a mixed gas nozzle, the reaction is completed at high temperature and high pressure, and the generated silicon is deposited on a silicon core rod.
In this embodiment, the first cavity is used for inputting trichlorosilane, and the second cavity is used for inputting hydrogen.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (9)
1. An external swirl cross hole injector, comprising: the body is provided with a first cavity, a third cavity and a second cavity, wherein the first cavity and the third cavity are arranged up and down, and the second cavity is arranged on the periphery of the first cavity and the third cavity;
the first cavity and the third cavity are communicated through a first channel; an injection cylinder is arranged between the second cavity and the third cavity, and a plurality of second channels communicated with the second cavity and the third cavity are arranged on the injection cylinder.
2. The external swirl cross bore injector of claim 1 wherein the first passage is at least 1 split converging passage with a split portion disposed on a side adjacent the first cavity.
3. The external swirl cross-hole injector of claim 2 wherein the longitudinal cross-sectional shape of the first passage is one of tapered, diverging, tapered diverging, or tapered diverging.
4. The external swirl cross-hole injector of claim 1 wherein the first passage is a single-hole passage that is a straight cylindrical circular hole.
5. The external swirl cross-hole injector of claim 1 wherein the centerline of the second passage is inclined at an angle of 0 ° a < arcsin (R1/R2) to the radial cross-section of the cartridge, where R1 is the inner diameter of the cartridge and R2 is the outer diameter of the cartridge.
6. The external swirl cross-hole injector of claim 5 wherein the inclined angles between the centerlines of the plurality of second passages and the radial profile of the jet cartridge are arranged the same or different.
7. The external swirl cross-hole injector of claim 6 wherein the centerline of the second channel is at an angle β to the axis of the jet cylinder, wherein the centerline of the second channel is at a right or non-right angle to the axis of the jet cylinder, and wherein the centerlines of the second channels are at the same or different angles β to the axis of the jet cylinder.
8. The external swirl cross-hole injector of claim 7 wherein the longitudinal cross-sectional shape of the second passage is one of a straight barrel, tapered, diverging, tapered diverging, or tapered diverging.
9. The external swirl cross-hole injector of claim 5 wherein the longitudinal cross-sectional shape of the cartridge is in the form of an outwardly flared "splay".
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011638476.XA CN114682404A (en) | 2020-12-31 | 2020-12-31 | External rotational flow cross hole ejector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011638476.XA CN114682404A (en) | 2020-12-31 | 2020-12-31 | External rotational flow cross hole ejector |
Publications (1)
Publication Number | Publication Date |
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CN114682404A true CN114682404A (en) | 2022-07-01 |
Family
ID=82136096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011638476.XA Pending CN114682404A (en) | 2020-12-31 | 2020-12-31 | External rotational flow cross hole ejector |
Country Status (1)
Country | Link |
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CN (1) | CN114682404A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115254496A (en) * | 2022-08-10 | 2022-11-01 | 黄河交通学院 | Automatic spraying device is used in robot production and processing |
CN115254496B (en) * | 2022-08-10 | 2024-04-26 | 黄河交通学院 | Automatic spraying device for robot production and processing |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0205739A1 (en) * | 1985-04-25 | 1986-12-30 | Deutsche Babcock Werke Aktiengesellschaft | Device and process for the supply of sludge |
JPH0641856U (en) * | 1992-11-17 | 1994-06-03 | 株式会社イナックス | Combustion equipment using a spray nozzle |
JP2002159889A (en) * | 2000-11-24 | 2002-06-04 | Ikeuchi:Kk | Two-fluid nozzle |
CN101287555A (en) * | 2005-10-07 | 2008-10-15 | 迪特尔·沃尔兹 | Atomizing nozzle for two substances |
US20100163647A1 (en) * | 2006-02-24 | 2010-07-01 | Dieter Wurz | Two-Component Nozzle With Secondary Air Nozzles Arranged in Circular Form |
CN201529588U (en) * | 2009-06-11 | 2010-07-21 | 中国石油化工集团公司 | Atomizing cool-down nozzle |
CN201807473U (en) * | 2010-07-09 | 2011-04-27 | 中冶京诚工程技术有限公司 | Novel aerosol nozzle without air resistance |
CN104384037A (en) * | 2014-10-28 | 2015-03-04 | 亿川科技(成都)有限责任公司 | Two-fluid atomization nozzle |
CN110170393A (en) * | 2019-06-28 | 2019-08-27 | 无锡职业技术学院 | A kind of high-low pressure mixed aerosol nozzle |
CN110805512A (en) * | 2018-08-05 | 2020-02-18 | 大连理工大学 | Nozzle with torsional composite hole |
CN111207414A (en) * | 2020-01-17 | 2020-05-29 | 西北工业大学 | Strong rotational flow centrifugal reflux type nozzle |
-
2020
- 2020-12-31 CN CN202011638476.XA patent/CN114682404A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0205739A1 (en) * | 1985-04-25 | 1986-12-30 | Deutsche Babcock Werke Aktiengesellschaft | Device and process for the supply of sludge |
JPH0641856U (en) * | 1992-11-17 | 1994-06-03 | 株式会社イナックス | Combustion equipment using a spray nozzle |
JP2002159889A (en) * | 2000-11-24 | 2002-06-04 | Ikeuchi:Kk | Two-fluid nozzle |
CN101287555A (en) * | 2005-10-07 | 2008-10-15 | 迪特尔·沃尔兹 | Atomizing nozzle for two substances |
US20100163647A1 (en) * | 2006-02-24 | 2010-07-01 | Dieter Wurz | Two-Component Nozzle With Secondary Air Nozzles Arranged in Circular Form |
CN201529588U (en) * | 2009-06-11 | 2010-07-21 | 中国石油化工集团公司 | Atomizing cool-down nozzle |
CN201807473U (en) * | 2010-07-09 | 2011-04-27 | 中冶京诚工程技术有限公司 | Novel aerosol nozzle without air resistance |
CN104384037A (en) * | 2014-10-28 | 2015-03-04 | 亿川科技(成都)有限责任公司 | Two-fluid atomization nozzle |
CN110805512A (en) * | 2018-08-05 | 2020-02-18 | 大连理工大学 | Nozzle with torsional composite hole |
CN110170393A (en) * | 2019-06-28 | 2019-08-27 | 无锡职业技术学院 | A kind of high-low pressure mixed aerosol nozzle |
CN111207414A (en) * | 2020-01-17 | 2020-05-29 | 西北工业大学 | Strong rotational flow centrifugal reflux type nozzle |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115254496A (en) * | 2022-08-10 | 2022-11-01 | 黄河交通学院 | Automatic spraying device is used in robot production and processing |
CN115254496B (en) * | 2022-08-10 | 2024-04-26 | 黄河交通学院 | Automatic spraying device for robot production and processing |
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