CN204294399U - A kind of injector nozzle assembly - Google Patents
A kind of injector nozzle assembly Download PDFInfo
- Publication number
- CN204294399U CN204294399U CN201420786007.6U CN201420786007U CN204294399U CN 204294399 U CN204294399 U CN 204294399U CN 201420786007 U CN201420786007 U CN 201420786007U CN 204294399 U CN204294399 U CN 204294399U
- Authority
- CN
- China
- Prior art keywords
- nozzle
- injector
- injection portion
- nozzle assembly
- terminal pad
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of injector nozzle assembly, its drip irrigation device is a kind of injector nozzle assembly, comprise nozzle seat board, terminal pad, injection portion, described terminal pad and injection portion are wholely set, described terminal pad offers multiple ball recess, be provided with the ball rolling on nozzle seat board and connect in each described ball recess, described injection portion comprises several nozzles.A kind of injector nozzle assembly of the present utility model can rotary-jet in the course of the work, and nozzle is provided with several, is conducive to abundant hybrid working medium fluid and injection medium fluid like this, and can improves the service life of nozzle.
Description
Technical field
The utility model relates to injector field, and in particular, it relates to a kind of injector nozzle assembly.
Background technology
Injector has another name called jet vacuum pump, jetting stream vacuum injector, jet pump, hydraulic ejector.The operation principle of injector is the vacuum acquirement device utilizing fluid to come transferring energy and quality, adopts and is sprayed by the symmetrical nozzle in certain skew back degree by the current of certain pressure, be aggregated in a focus.Because injection water flow velocity is high especially, change potential energy into kinetic energy, make the low generation vacuum of air-breathing district Pressure Drop.The gas be sucked is taken away by several high-velocity flows, fully mixes compression through Venturi tube serrated end with throat, carries out molecular diffusion energy exchange, and speed is balanced.Increasing through expansion segment speed reduction pressure, be greater than atmospheric pressure and spray into cistern from outlet, incoagulable gas is separated out.Water recycles through centrifugal pump, completes air-breathing industry.A kind of device is like this injector, and in the apparatus, the two fluids of different pressures mixes mutually, and energy exchange occurs, to form the fluid-mixing of one pressure placed in the middle.Fluid-mixing is divided into the mixture of gas phase, liquid phase or gas and liquid.Before access to plant, the relatively high that medium of pressure is working media, and working media stream is called working fluid, and working fluid sprays from nozzle with very high speed, enters the receiving chamber of injector, and medium lower for the pressure before injector is taken away; The fluid be pulled away is called driving fluid, usually in injector, the potential energy of working fluid occurs or thermal energy is kinetic energy at first, the kinetic energy of working fluid, a part passes to driving fluid, in the process flowed along injector, the speed of fluid-mixing is gradually balanced, so the kinetic energy of fluid-mixing changes potential energy or heat energy on the contrary into.
Working medium fluid and injection medium fluid enter into mixing chamber; carry out the equilibrium of speed; usually also with the rising of pressure; fluid-mixing out enters diffuser from mixing chamber; continuation raises by pressure; at diffuser outlet, the pressure of fluid-mixing is higher than the pressure of driving fluid when entering receiving chamber.Improve the pressure of driving fluid and directly do not consume mechanical energy, this is injector the most basic topmost performance, owing to having this character, in a lot of engineering department, adopt injector than the supercharging equipment (compressor, pump, air blast and air-introduced machine etc.) adopting machinery, make likely to obtain more simple more reliable technology solution.Except this body structure is simple especially, the system of injector and various equipment connection is also very simple, manufacture also uncomplicated, engineering is applied widely, wherein in power engineering technology field, be mainly used in generating, waste gas residual heat, heating installation, refrigeration, conveying solid substance granular substance etc.
Injector is made up of parts such as body, device lid, nozzle, nozzle seat board, positioning disk, diffuser pipe and check valves, and nozzle faces positioning disk setting makes it obtain larger steam contact area, is conducive to the carrying out of heat exchange, obtains good vacuum effectiveness.But in the prior art, there are some problems: 1, the setting of nozzle is fixedly connected with nozzle seat board often, nozzle seat board and body are wholely set, the working medium fluid that ejects from nozzle can be caused so evenly inadequate when mixing chamber mixes with the injection medium fluid be attracted into, mixing efficiency can be caused so low; 2, be often only provided with a nozzle in prior art, cause nozzle to be subject to larger pressure like this and nozzle is easily damaged; 3, the impurity often having corrosion in fluid media (medium) accumulates and forms fouling at nozzle place, greatly can reduce the service life of nozzle like this, causes the service efficiency of whole injector low, therefore needs to propose a kind of scheme and solve these problems.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide one that fluid chemical field can be made even, and nozzle is not easy damaged and is not easy to accumulate at nozzle place the injector nozzle assembly of impurity.
For achieving the above object, the utility model provides following technical scheme: a kind of injector nozzle assembly, comprise nozzle seat board, terminal pad, injection portion, described terminal pad and injection portion are wholely set, described terminal pad offers multiple ball recess, be provided with the ball rolling on nozzle seat board and connect in each described ball recess, described injection portion comprises several nozzles.
As preferably, described nozzle seat board offers ball can be supplied to the annular groove established.
As preferably, the inwall in described injection portion offers spiral helicine helical groove.
As preferably, described nozzle is provided with multiple, and multiple described nozzle is uniformly distributed in the end in injection portion.
As preferably, multiple described nozzle arranges towards unanimously.
The utility model has following advantage compared to existing technology: the terminal pad of a kind of injector nozzle assembly of the present utility model carries out slippage with nozzle seat board by ball and is connected, make like this this nozzle assembly operation the course of work in can 360 ° ceaselessly rotate, be conducive to the abundant mixing of working medium fluid and injection medium fluid like this, and be provided with several nozzles, nozzle is evenly arranged, and direction also just as, effectively can reduce impurity when nozzle ejection working medium fluid like this accumulates at nozzle place, and the inwall in injection portion is arranged towards nozzle direction spiral, such working medium fluid can spray from nozzle in the shape of a spiral, so more be conducive to its fully mixing with injection medium fluid, and spiral working medium fluid can make most of impurity can not remain in nozzle from nozzle ejection to the impact of each nozzle, and multiple nozzle has shared the pressure afforded, effectively can improve the service life of nozzle, thus improve the service efficiency of whole injector.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of injector nozzle assembly of the utility model;
Fig. 2 is the perspective view of a kind of injector nozzle assembly of the utility model;
Fig. 3 is the sectional view of a kind of injector nozzle assembly of the utility model.
In figure: 1, nozzle seat board; 11, annular groove; 2, injection portion; 21, nozzle; 22, helical groove; 3, ball; 4, terminal pad; 41, ball recess.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, the embodiment of a kind of injector nozzle assembly of the utility model is described further.
As shown in Figures 2 and 3, a kind of injector nozzle assembly of the present utility model, terminal pad 4 offers several ball recess 41, there is shown 16 ball recess 41, all ball recess 41 are evenly distributed on the peripheral upper surface of terminal pad 4, and in each ball recess 41, be installed on ball 3, consider that its needs bear larger pressure, be preferably steel ball, annular groove 11 is offered to the part of establishing at the sidewall of nozzle seat board 1 and terminal pad 4, when terminal pad 4 and nozzle seat board 1 are in time establishing connection, ball 3 can to being located in annular groove 11, the contact area of ball 3 and nozzle seat board 1 can be increased like this, reduce the pressure that ball 3 local is born, prevent ball 3 premature failure, and terminal pad 4 and injection portion 2 one-body molded, on the inwall in injection portion 2, spiral arranges and is formed with some helical grooves 22, helical groove 22 towards all pointing to nozzle 21 place, and nozzle 21 is provided with several, three nozzles 21 are there is shown.
When injector operation work, working medium fluid at a high speed spray is set in the chamber in injection portion 2, whole injection portion 2 and terminal pad 4 are impacted, such terminal pad 4 just and nozzle seat board 1 formed to establishing, ball 3 will to being located in annular groove 11, because the flow direction of working medium fluid is not identical, like this when various flows to working medium fluid injection portion 2 is impacted time, whole injection portion 2 will rotate under the slippage of ball 3, such working medium fluid will be more uneven flow to nozzle 21, spray from nozzle 21, because be provided with some nozzles 21, the flow direction of the working medium fluid that each nozzle 21 sprays is not the same, but the direction that each nozzle 21 is arranged is consistent, the flow direction of such working medium fluid roughly towards or the same, can not therefore change, better will be mixed under the impact of working medium fluid by the injection medium fluid that absorption is come in like this, what mix is more even, and the inwall spraying portion 2 arranges towards nozzle 21 spiral and forms helical groove 22, such working medium fluid also can form the fluid state of spiral along helical groove 22, can better mix like this, as optimization is be provided with multiple nozzle 21, each nozzle 21 all can share the pressure that working medium fluid brings, so the pressure that each nozzle 21 bears can be smaller, the service life of nozzle 21 will increase greatly, and the impurity in working medium fluid is because major part all can be flushed away and can not remain in nozzle 21 place under the impact of the fluid of spiral, the operating efficiency of nozzle 21 is made to increase greatly like this.
Below just reaching a kind of injector nozzle assembly of the present utility model can rotary-jet in the course of the work, and nozzle 21 is provided with several, be conducive to abundant hybrid working medium fluid and injection medium fluid like this, and operating efficiency and the service life of nozzle can be improved, thus the practicality of whole injector can be promoted.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. an injector nozzle assembly, comprise nozzle seat board, terminal pad, injection portion, described terminal pad and injection portion are wholely set, it is characterized in that: described terminal pad offers multiple ball recess, be provided with the ball rolling on nozzle seat board and connect in each described ball recess, described injection portion comprises several nozzles.
2. a kind of injector nozzle assembly according to claim 1, is characterized in that: described nozzle seat board offers can for ball to the annular groove established.
3. a kind of injector nozzle assembly according to claim 1, is characterized in that: the inwall in described injection portion offers spiral helicine helical groove.
4. a kind of injector nozzle assembly according to claim 1, is characterized in that: described nozzle is provided with multiple, and multiple described nozzle is uniformly distributed in the end in injection portion.
5. a kind of injector nozzle assembly according to claim 4, is characterized in that: multiple described nozzle arranges towards unanimously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420786007.6U CN204294399U (en) | 2014-12-13 | 2014-12-13 | A kind of injector nozzle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420786007.6U CN204294399U (en) | 2014-12-13 | 2014-12-13 | A kind of injector nozzle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204294399U true CN204294399U (en) | 2015-04-29 |
Family
ID=53099983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420786007.6U Expired - Fee Related CN204294399U (en) | 2014-12-13 | 2014-12-13 | A kind of injector nozzle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204294399U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715720A (en) * | 2017-11-23 | 2018-02-23 | 河北农业大学 | A kind of venturi mixer |
| CN108743337A (en) * | 2018-06-09 | 2018-11-06 | 珠海市尼诺生物科技有限公司 | A kind of spraying nose-washing device |
| CN110622828A (en) * | 2019-08-15 | 2019-12-31 | 杭州宝力体育设施工程有限公司 | Automatic sprinkling irrigation device for natural lawn |
-
2014
- 2014-12-13 CN CN201420786007.6U patent/CN204294399U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107715720A (en) * | 2017-11-23 | 2018-02-23 | 河北农业大学 | A kind of venturi mixer |
| CN107715720B (en) * | 2017-11-23 | 2023-11-21 | 河北农业大学 | Venturi mixer |
| CN108743337A (en) * | 2018-06-09 | 2018-11-06 | 珠海市尼诺生物科技有限公司 | A kind of spraying nose-washing device |
| CN110622828A (en) * | 2019-08-15 | 2019-12-31 | 杭州宝力体育设施工程有限公司 | Automatic sprinkling irrigation device for natural lawn |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204294399U (en) | A kind of injector nozzle assembly | |
| CN204716642U (en) | A kind of three grades of large-flow jet pumps | |
| CN204404351U (en) | A kind of for the mixed water heat-exchanger rig in heating system | |
| CN102072676A (en) | Vapor-water mixed heating device | |
| CN111911465B (en) | Distributed binary spray pipe ejector device | |
| CN112717671B (en) | Ammonia desulphurization forced oxidation method | |
| CN112058526B (en) | Distributed circumferential seam ejector device | |
| CN102748330A (en) | Multi-nozzle steam jet type heat pump and operation method | |
| CN202823331U (en) | Rotating liquid distributing device | |
| CN2925589Y (en) | Jetting regenerator | |
| CN204299974U (en) | A kind of plurality of nozzle-type steam jet ejector | |
| CN202451477U (en) | Jetting type heat pump without receiving chamber | |
| CN106861475B (en) | Gas-liquid mixed injection structure and method thereof | |
| CN201187488Y (en) | Flow adjustable type exposed oxygen fluidic device | |
| CN212838645U (en) | Distributed binary spray pipe ejector device | |
| CN205618448U (en) | Simple and easy quick assembly disassembly annular space jet pump device | |
| CN204299978U (en) | Steam jet ejector | |
| CN201982148U (en) | Vacuum steam heating and pressurizing recovery device for steam turbine | |
| CN110180696B (en) | Atomizing nozzle capable of automatically switching high pressure and low pressure | |
| CN201818256U (en) | Annular gap type mechanical defoamer for foam drilling | |
| CN201827161U (en) | Secondary injection ejector | |
| CN205101297U (en) | Jet pump with nozzle entad | |
| CN105114367A (en) | Vacuum injector provided with adjustable nozzles and used for nuclear power station vacuum-pumping system | |
| CN107350977B (en) | Multi-runner pulsation flow guide spray head | |
| CN201714724U (en) | Diffusing pipe used on ejector with high suction specific speed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20171213 |