CN111558309B - Multi-channel ejector and medicament adding system - Google Patents
Multi-channel ejector and medicament adding system Download PDFInfo
- Publication number
- CN111558309B CN111558309B CN202010278434.3A CN202010278434A CN111558309B CN 111558309 B CN111558309 B CN 111558309B CN 202010278434 A CN202010278434 A CN 202010278434A CN 111558309 B CN111558309 B CN 111558309B
- Authority
- CN
- China
- Prior art keywords
- channel
- medicament
- conveying cavity
- throat
- ejector
- 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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/311—Injector mixers in conduits or tubes through which the main component flows for mixing more than two components; Devices specially adapted for generating foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/30—Mixing gases with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/30—Mixing gases with solids
- B01F23/32—Mixing gases with solids by introducing solids in gas volumes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a multi-channel ejector and a medicament adding system, wherein the multi-channel ejector comprises a conveying cavity shell assembly, a medicament conveying cavity arranged in the conveying cavity shell assembly, a multi-channel nozzle arranged in the medicament conveying cavity and a medicament inlet channel communicated with the medicament conveying cavity and the outside of the conveying cavity shell assembly, the medicament conveying cavity penetrates through the conveying cavity shell assembly, one end of the medicament conveying cavity forms a power flow inlet in the conveying cavity shell assembly, the other end of the medicament conveying cavity forms a medicament outlet in the conveying cavity shell assembly, the multi-channel nozzle is provided with a plurality of power channels distributed at intervals around the axis of the multi-channel nozzle, the axis of the power channel and the axis of the multi-channel nozzle are positioned on different planes, and a mixing chamber is arranged in the medicament conveying cavity. The multi-channel ejector aims to solve the technical problem that an additional medicament is easy to settle in a pipeline due to an ejection structure in the prior art.
Description
Technical Field
The invention relates to the technical field of medicament adding systems, in particular to a multi-channel ejector and a medicament adding system.
Background
During the process of recycling the dregs excavated by the shield, a certain amount of additional medicament is required to be added and mixed to improve and enhance the properties of the dregs so as to prepare the industrial product meeting the requirements. Because the additive is less in addition amount and the mixing and stirring time is shorter, the additive needs to be dispersed into the muck material in the adding process. In the prior art, due to the defects of the spraying structure, the external medicament is easy to settle in the pipeline.
Disclosure of Invention
Technical problem to be solved
Based on the technical scheme, the invention provides a multi-channel ejector, and aims to solve the technical problem that an additional medicament is easy to settle in a pipeline due to an ejection structure in the prior art.
(II) technical scheme
In order to solve the technical problem, the invention provides a multi-channel ejector, wherein the multi-channel ejector comprises a conveying cavity shell assembly, a medicament conveying cavity arranged in the conveying cavity shell assembly, a multi-channel nozzle arranged in the medicament conveying cavity and a medicament inlet channel communicated with the medicament conveying cavity and the outside of the conveying cavity shell assembly, the medicament conveying cavity penetrates through the conveying cavity shell assembly, one end of the medicament conveying cavity forms a power flow inlet in the conveying cavity shell assembly, the other end of the medicament conveying cavity forms a medicament outlet in the conveying cavity shell assembly, the multi-channel nozzle is provided with a plurality of power flow channels distributed at intervals around the axis of the multi-channel nozzle, the axis of the power flow channel and the axis of the multi-channel nozzle are positioned on different planes, a mixing chamber is arranged in the medicament conveying cavity, and the inlet of the power flow channel faces the power flow inlet, the outlet of the motive flow passage is directed toward the mixing chamber, and the outlet of the drug inlet passage is directed toward the mixing chamber.
Preferably, the motive flow inlet forms a flare that tapers towards the multi-channel nozzle.
Preferably, the multi-channel ejector comprises a throat pipe arranged in the medicament conveying cavity, an inlet of the throat pipe faces the mixing chamber, an outlet of the throat pipe faces the medicament outlet, the throat pipe comprises a first throat pipe, a second throat pipe and a third throat pipe which extend from the inlet to the outlet and are sequentially connected, a conical channel gradually expanding outwards towards the mixing chamber is formed on the inner wall surface of the first throat pipe, a cylindrical channel is formed on the inner wall surface of the second throat pipe, and a conical channel gradually expanding outwards towards the medicament outlet is formed on the inner wall surface of the third throat pipe.
Preferably, the conveying cavity shell assembly comprises a main cavity body and a throat sleeve which are connected with each other, the power flow inlet, the multi-runner nozzle, the medicine inlet channel and the mixing chamber are respectively positioned in the main cavity body, one section of the throat pipe is installed in the main cavity body, the other section of the throat pipe is installed in the throat sleeve, and the medicine outlet is positioned in the throat sleeve.
Preferably, the medicament delivery chamber is arranged along an axial extension of the delivery chamber housing assembly, and the medicament inlet channel is arranged along a radial extension of the delivery chamber housing assembly.
In addition, the invention provides a medicament adding system, wherein the medicament adding system comprises the multi-channel ejector.
Preferably, the medicament adding system comprises an ejector feed pipe mounted on the multi-channel ejector and a feed control valve mounted on the ejector feed pipe, and the ejector feed pipe is communicated with the medicament inlet channel.
Preferably, the medicament addition system comprises a motive flow inlet pipe mounted to the multi-channel ejector, the motive flow inlet pipe leading to the motive flow inlet, the motive flow inlet pipe being mounted with a pressure flow control device.
Preferably, the medicament adding system comprises a one-way inlet valve mounted to the multi-channel ejector, an outlet of the one-way inlet valve opens into the motive flow inlet, and the one-way inlet valve is disposed between the motive flow inlet pipe and the motive flow inlet of the multi-channel ejector.
Preferably, the medicament adding system comprises a conveying pipeline arranged at a medicament outlet of the multi-channel ejector, and the output end of the conveying pipeline is connected with a plurality of spray heads arranged at intervals.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
in the multi-channel ejector provided by the invention, the axis of the power flow channel and the axis of the multi-channel nozzle are in different planes, namely the power flow channel and the axis of the multi-channel nozzle form a certain angle, and the power flow passing through the power flow channel forms spiral flow, so that when the power flow (such as airflow) enters from the power flow inlet and reaches the mixing chamber through the power flow channel, and the medicament enters the mixing chamber through the medicament inlet channel, the airflow sprayed out of the multi-channel nozzle forms turbulent flow, so that the additional medicament is fully dispersed, especially the powdery medicament can be dispersed into extremely fine particles, and the additive can be effectively prevented from settling in a pipeline.
Other advantageous effects of the present invention will be described in the following detailed description.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
fig. 1 is a sectional view of a multi-channel ejector according to an embodiment of the present invention;
fig. 2 is a perspective view of a drug addition system according to an embodiment of the present invention.
Description of reference numerals:
1. the multi-channel jet device comprises a multi-channel jet device, 2, a jet device feeding pipe, 3, a feeding control valve, 4, a power flow inlet pipe, 5, a one-way inlet valve, 6, a power flow inlet connecting flange, 7, a conveying pipeline, 8, an injection head, 100, a conveying cavity shell assembly, 101, a main cavity, 102, a throat sleeve, 200, a medicament conveying cavity, 201, a power flow inlet, 202, a medicament outlet, 203, a mixing chamber, 300, a multi-channel nozzle, 301, a power flow channel, 400, a medicament inlet channel, 500, a throat pipe, 501, a first throat pipe, 502, a second throat pipe, 503 and a third throat pipe.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Referring to fig. 1, the invention discloses a multi-channel ejector 1, the multi-channel ejector 1 includes a delivery chamber housing assembly 100, a medicament delivery chamber 200 disposed in the delivery chamber housing assembly 100, a multi-channel nozzle 300 disposed in the medicament delivery chamber 200, and a medicament inlet channel 400 communicating the medicament delivery chamber 200 with the exterior of the delivery chamber housing assembly 100, the medicament delivery chamber 200 penetrates the delivery chamber housing assembly 100, and one end of the medicament delivery chamber 200 forms a motive flow inlet 201 on the delivery chamber housing assembly 100, and the other end forms a medicament outlet 202 on the delivery chamber housing assembly 100, the multi-channel nozzle 300 has a plurality of motive flow channels 301 arranged at intervals around the axis of the multi-channel nozzle 300, the axis of the motive flow channel 301 and the axis of the multi-channel nozzle 300 are in different planes, the medicament delivery chamber 200 has a mixing chamber 203, the inlets of the motive flow channels 301 face the motive flow inlet 201, the outlet of the motive flow path 301 is directed toward the mixing chamber 203 and the outlet of the intake passage 400 is directed toward the mixing chamber 203.
According to a preferred embodiment of the present invention, the motive flow inlet 201 forms a flare that tapers toward the multi-channel nozzle 300 to facilitate the collection of the motive flow.
In addition, the multi-channel ejector 1 comprises a throat pipe 500 arranged in the medicine conveying cavity 200, the inlet of the throat pipe 500 faces the mixing chamber 203, the outlet of the throat pipe 500 faces the medicine outlet 202, the throat pipe 500 comprises a first throat pipe 501, a second throat pipe 502 and a third throat pipe 503 which extend from the inlet to the outlet and are connected in sequence, a conical channel gradually expanding outwards towards the mixing chamber 203 is formed on the inner wall surface of the first throat pipe 501, a cylindrical channel is formed on the inner wall surface of the second throat pipe 502, and a conical channel gradually expanding outwards towards the medicine outlet 202 is formed on the inner wall surface of the third throat pipe 503.
According to an embodiment of the present invention, the delivery lumen housing assembly 100 comprises a main lumen 101 and a throat housing 102 connected to each other, the motive flow inlet 201, the multi-fluid nozzle 300, the drug inlet channel 400 and the mixing chamber 203 are respectively located in the main lumen 101, one section of the throat 500 is installed in the main lumen 101, the other section of the throat 500 is installed in the throat housing 102, and the drug outlet 202 is located in the throat housing 102. And the invention is not limited to this, it is also possible to suitably modify the structure of the delivery chamber housing assembly 100, more specifically, the throat 500 may be clamped in the stepped hole between the main chamber 101 and the throat sleeve 102.
Preferably, the medicament delivery lumen 200 is disposed along an axial extension of the delivery lumen housing assembly 100 and the access channel 400 is disposed along a radial extension of the delivery lumen housing assembly 100. However, the present invention is not limited thereto, and that is, a solution of appropriately changing the position and orientation of the drug delivery chamber 200 and the drug inlet channel 400 will fall within the scope of the present invention, as long as the power flow for the smooth mixing and ejection and delivery of the externally added drug can be ensured.
Referring to fig. 2, the present invention also provides a medicament adding system, which comprises the above-mentioned multi-channel ejector 1.
More detailed schemes of the medicament addition system are as follows:
the medicament adding system comprises an ejector feed pipe 2 installed on the multi-channel ejector 1 and a feed control valve 3 installed on the ejector feed pipe 2, wherein the ejector feed pipe 2 leads to a medicament inlet channel 400. The medicament adding system comprises a motive flow inlet pipe 4 mounted to the multi-channel ejector 1, the motive flow inlet pipe 4 leading to a motive flow inlet 201, the motive flow inlet pipe 4 being mounted with a pressure flow control device (not shown). In the whole working process of the medicament adding system, the opening of the feeding control valve 3 can be controlled, and the pressure and the flow of the power flow can be controlled by the pressure flow control device, so that the micro control of the adding amount of the added medicament is realized. Therefore, the medicament adding system has the characteristics of simple structure, stability, high efficiency and convenience in operation and control, can realize the dispersion and injection of trace additives, and can also be used for other stirring and mixing processes needing to add trace medicaments.
Of course, the medicament adding system may include a one-way inlet valve 5 installed in the multi-channel ejector 1, an outlet of the one-way inlet valve 5 leading to the motive flow inlet 201, and the one-way inlet valve 5 disposed between the motive flow inlet pipe 4 and the motive flow inlet 201 of the multi-channel ejector 1, more specifically, the one-way inlet valve 5 and the multi-channel ejector 1 are further provided with the motive flow inlet connection flange 6.
According to a preferred embodiment of the present invention, the medicine adding system may further include a delivery pipeline 7 installed at the medicine outlet 202 of the multi-channel ejector 1, and the output end of the delivery pipeline 7 is connected with a plurality of ejection heads 8 arranged at intervals. The output end of the delivery pipe 7 may be formed in various suitable shapes such as an arc-shaped section or a straight section. The plurality of injection heads 8 are matched with the multi-channel ejector 1, and the medicaments are fully dispersed in a turbulent state so as to be beneficial to uniformly dispersing the medicaments sprayed by the plurality of injection heads 8 into the muck material.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. A multi-channel ejector is characterized by comprising a conveying cavity shell assembly, a medicament conveying cavity arranged in the conveying cavity shell assembly, a multi-channel nozzle arranged in the medicament conveying cavity, and a medicament inlet channel communicated with the medicament conveying cavity and the outside of the conveying cavity shell assembly, wherein the medicament conveying cavity penetrates through the conveying cavity shell assembly, one end of the medicament conveying cavity is arranged on the conveying cavity shell assembly to form a power flow inlet, the other end of the medicament conveying cavity is arranged on the conveying cavity shell assembly to form a medicament outlet, the multi-channel nozzle is provided with a plurality of power flow channels distributed at intervals around the axis of the multi-channel nozzle, the axis of the power flow channel and the axis of the multi-channel nozzle are in different planes, the power flow channel and the axis of the multi-channel nozzle form a certain angle, and the power flow passing through the power flow channel can form spiral flow, the medicament delivery chamber has a mixing chamber therein, the inlet of the motive flow path is directed toward the motive flow inlet, the outlet of the motive flow path is directed toward the mixing chamber, and the outlet of the medication intake channel is directed toward the mixing chamber.
2. The multi-channel ejector according to claim 1, wherein the motive flow inlet forms a bell mouth that tapers towards the multi-channel nozzle.
3. The multi-channel ejector according to claim 1, comprising a throat arranged in the medicament delivery cavity, wherein an inlet of the throat faces the mixing chamber, an outlet of the throat faces the medicament outlet, the throat comprises a first throat, a second throat and a third throat which are sequentially connected and extend from the inlet to the outlet, a tapered channel gradually expanding outwards towards the mixing chamber is formed on an inner wall surface of the first throat, a cylindrical channel is formed on an inner wall surface of the second throat, and a tapered channel gradually expanding outwards towards the medicament outlet is formed on an inner wall surface of the third throat.
4. The multi-channel ejector according to claim 3, wherein the delivery chamber housing assembly comprises a main chamber and a throat housing connected to each other, the motive flow inlet, the multi-channel nozzle, the drug inlet channel and the mixing chamber are respectively located in the main chamber, one section of the throat pipe is installed in the main chamber, the other section is installed in the throat housing, and the drug outlet is located in the throat housing.
5. The multi-channel ejector according to any one of claims 1 to 4, wherein said medicament delivery chamber is arranged along an axial extension of said delivery chamber housing assembly, and said inlet channel is arranged along a radial extension of said delivery chamber housing assembly.
6. A medicament addition system, characterized in that it comprises a multi-channel ejector according to any one of claims 1 to 4.
7. The chemical addition system of claim 6, comprising an ejector feed tube mounted to the multi-channel ejector and a feed control valve mounted to the ejector feed tube, the ejector feed tube leading to the feed channel.
8. The medicament addition system according to claim 6, comprising a motive flow inlet tube mounted to the multi-channel ejector, the motive flow inlet tube leading to the motive flow inlet, the motive flow inlet tube being mounted with a pressure flow control device.
9. The medicament addition system according to claim 8, comprising a one-way inlet valve mounted to the multi-channel ejector, an outlet of the one-way inlet valve opening into the motive flow inlet, and the one-way inlet valve being disposed between the motive flow inlet tube and the motive flow inlet of the multi-channel ejector.
10. The medicament adding system as claimed in claim 6, wherein the medicament adding system comprises a conveying pipeline mounted at the medicament outlet of the multi-channel ejector, and the output end of the conveying pipeline is connected with a plurality of spray heads arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010278434.3A CN111558309B (en) | 2020-04-10 | 2020-04-10 | Multi-channel ejector and medicament adding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010278434.3A CN111558309B (en) | 2020-04-10 | 2020-04-10 | Multi-channel ejector and medicament adding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111558309A CN111558309A (en) | 2020-08-21 |
| CN111558309B true CN111558309B (en) | 2022-04-15 |
Family
ID=72067774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010278434.3A Active CN111558309B (en) | 2020-04-10 | 2020-04-10 | Multi-channel ejector and medicament adding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111558309B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100435B (en) * | 2021-11-05 | 2024-04-16 | 中国建筑第五工程局有限公司 | Integrated soil pressure balance shield undisturbed residue soil recycling treatment production line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1214955A (en) * | 1997-10-21 | 1999-04-28 | 埃科莱布有限公司 | Process for preparation use solution and apparatus thereof |
| EP3187467A1 (en) * | 2015-12-29 | 2017-07-05 | AVARUS Suisse Holding AG | Cavitation reactor for treating flowable substances |
| CN107794091A (en) * | 2017-11-13 | 2018-03-13 | 煤炭科学技术研究院有限公司 | A kind of thermal reforming upgrading furnace |
| CA3020008A1 (en) * | 2018-02-06 | 2019-08-06 | Canadian Natural Upgrading Limited | System and method for direct steam injection into slurries |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10138006C1 (en) * | 2001-08-02 | 2003-04-24 | Bosch Gmbh Robert | Fluid mixing device |
| CN100556521C (en) * | 2005-04-08 | 2009-11-04 | 亨茨曼国际有限公司 | Spiral mixer nozzle and the technology that is used to mix the method for two or more fluids and is used to make isocyanates |
| CN101138711A (en) * | 2006-12-21 | 2008-03-12 | 上海融新能源环境科技有限公司 | Jet agitation system |
| CN203043862U (en) * | 2012-11-30 | 2013-07-10 | 松原市国泰石油科技服务有限公司 | Oilfield flooding profile control agent mixing device |
| CN105289346B (en) * | 2015-11-27 | 2017-05-24 | 安徽理工大学 | Jet medicament disperse system and fine coal particle pulp mixing modification equipment applying same |
| CN107243288A (en) * | 2017-07-21 | 2017-10-13 | 中国恩菲工程技术有限公司 | Pipeline mixing device |
| CN207122612U (en) * | 2017-12-15 | 2018-03-20 | 山东成森科技有限公司 | Jet accelerates water admixing device |
| CN208287833U (en) * | 2018-04-04 | 2018-12-28 | 南京保立隆包装机械有限公司 | Utilize the gas-water mixer of hydraulic ejector principle |
-
2020
- 2020-04-10 CN CN202010278434.3A patent/CN111558309B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1214955A (en) * | 1997-10-21 | 1999-04-28 | 埃科莱布有限公司 | Process for preparation use solution and apparatus thereof |
| EP3187467A1 (en) * | 2015-12-29 | 2017-07-05 | AVARUS Suisse Holding AG | Cavitation reactor for treating flowable substances |
| CN107794091A (en) * | 2017-11-13 | 2018-03-13 | 煤炭科学技术研究院有限公司 | A kind of thermal reforming upgrading furnace |
| CA3020008A1 (en) * | 2018-02-06 | 2019-08-06 | Canadian Natural Upgrading Limited | System and method for direct steam injection into slurries |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111558309A (en) | 2020-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103846172B (en) | The two medium atomization nozzles of exterior mixing | |
| CN111558309B (en) | Multi-channel ejector and medicament adding system | |
| US2444615A (en) | Eductor | |
| CN1287905C (en) | Injector of gas and solid transported through gas | |
| CN102958590A (en) | Spray nozzle for metering substances into a reactive mixture | |
| CN110918284A (en) | Medium atomizing nozzle, spraying device and spraying machine | |
| CN105149131A (en) | Mixing material conveying device of pneumatic fertilization device | |
| CN201322011Y (en) | Powder material pneumatic transmitting pump | |
| CN102947007A (en) | External mix air assisted spray nozzle assembly | |
| JP2001295800A (en) | Ejector type vacuum generator | |
| CN112246463B (en) | Multi-fluid atomization device | |
| CN113437327A (en) | Ejector and fuel cell system comprising same | |
| US20200263707A1 (en) | Jet pump comprising an internal nozzle | |
| CN103372509A (en) | Solid conical bubble atomizing nozzle applicable to high-viscosity non-Newtonian fluid | |
| WO2023216291A1 (en) | Gas-assisted atomizing nozzle and sprayer comprising same | |
| WO2000058014A1 (en) | Liquid sprayer using atomising gas mixed with the liquid in a swirl chamber | |
| CN103372510A (en) | Hollow conical bubble atomizing nozzle applicable to high-viscosity non-Newtonian fluid | |
| CN215083619U (en) | Two-fluid atomizer | |
| CN212576030U (en) | Oxygen mixer | |
| CN220696389U (en) | Quick detach formula venturi accelerator | |
| CN218872551U (en) | Multi-stage atomizing spray head | |
| CN216571082U (en) | Negative pressure nozzle for skin introduction | |
| CN219251263U (en) | Shock wave self-priming nozzle of atomizer | |
| CN211756105U (en) | Atomizing device and sprayer | |
| CN217735860U (en) | Multi-nozzle multi-channel jet pump |
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 |