CN106762859A - Ejector and fluidic system - Google Patents
Ejector and fluidic system Download PDFInfo
- Publication number
- CN106762859A CN106762859A CN201510799795.1A CN201510799795A CN106762859A CN 106762859 A CN106762859 A CN 106762859A CN 201510799795 A CN201510799795 A CN 201510799795A CN 106762859 A CN106762859 A CN 106762859A
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- China
- Prior art keywords
- ejection section
- spout
- ejector
- internal diameter
- stopper rod
- 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.)
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Abstract
The present invention provides a kind of ejector and fluidic system, wherein, the ejector includes：Ejection section and the diffusion part being connected with ejection section；Wherein, ejection section is provided with spout, and spout is connected with diffusion chamber；Diffusion chamber is the inner chamber of diffusion part；The adjusting means for adjusting spout size is provided with spout.The present invention improves the applicability of ejector by being provided with the nozzle of ejection section the adjusting means for adjusting spout size.
Description
Technical field
The present invention relates to jet pump technology, more particularly to a kind of ejector and fluidic system.
Background technology
Ejector is one kind of pump, mainly uses working fluid to transmit the fluid conveying machine of energy.
At present, ejector is typically all applied to technical field of petroleum extraction, can be by carrying pressure in ground end
Fluid provides power, this is projected by the nozzle of ejector with pressure fluid, and produces suction,
Carry out drawing liquid work.
Specifically, the nozzle diameter that different fluid is applicable is also different, when fluid flow is smaller, institute is right
The nozzle diameter answered is also just smaller, so just can guarantee that the flow velocity and pressure of fluid, and forms suction and carry out
Drawing liquid works, and when fluid flow is larger, corresponding nozzle diameter is also larger, so ensures that
The conveying of fluid, operating efficiency is bigger.
At present use ejector due to needing the pressure according to fluid to change to be changed, therefore
Cause operation it is numerous and diverse the problems such as.
The content of the invention
The present invention provides a kind of ejector and fluidic system, improves the applicability of ejector.
The present invention provides a kind of ejector, including：Ejection section and the diffusion part being connected with the ejection section；
Wherein, the ejection section is provided with spout, and the spout is connected with diffusion chamber；The diffusion chamber is
The inner chamber of the diffusion part；
The adjusting means for adjusting the spout size is provided with the spout.
The present invention provides one kind in one embodiment of this invention, and the diffusion part is close to the one of the spout
Pump orifice is provided with the inwall at end.
In one embodiment of this invention, the ejection section is playpipe, and the diffusion part is anemostat；
Internal diameter of the internal diameter of the playpipe less than the anemostat.
In one embodiment of this invention, also include：Flow for detecting the liquid in the ejection section
Flow sensor and electrically connect with the flow sensor, and for being examined according to the flow sensor
The flow signal for measuring controls the controller of the adjusting means；
Wherein, the flow sensor is arranged on the inside of the ejection section, the controller and the tune
Regulating device is connected.
In one embodiment of this invention, the adjusting means is regulating valve.
In one embodiment of this invention, the adjusting means is stopper rod, then the side wall of the ejection section
On be provided with through hole；
Wherein, the stopper rod is tightly connected with the through hole, and the stopper rod is stretched through the through hole
Enter to the spout.
In one embodiment of this invention, the stopper rod is provided with cut-off plate near one end of the spout；
The cut-off plate is vertical with the inner chamber of the ejection section, and is connected with stopper rod rotation.
In one embodiment of this invention, internal diameter of the ejection section near one end of the diffusion part is less than
Away from the internal diameter of one end of the diffusion part.
The present invention also provides a kind of fluidic system, including：High-voltage tube and ejector；
The high-voltage tube is connected with ejection section；
Wherein, internal diameter of the internal diameter of the high-voltage tube more than the ejection section.
In one embodiment of this invention, also include, for connecting the high-voltage tube and the ejector
Connecting tube；
The internal diameter of the connecting tube is gradually reduced along the direction of the ejection section.
The present invention provides a kind of ejector and fluidic system, wherein, ejector is provided with spout in ejection section,
The inner space of spout and diffusion part；And the adjusting means for adjusting spout size is provided with spout.
The present invention is improve by being provided with the nozzle of ejection section the adjusting means for adjusting spout size
The applicability of ejector, it is to avoid need frequently to change the defect of ejector in the prior art.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to reality
The accompanying drawing to be used needed for example or description of the prior art is applied to be briefly described, it should be apparent that, under
Accompanying drawing in the description of face is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of ejector embodiment one provided in an embodiment of the present invention；
Fig. 2 is the structural representation of ejector embodiment three provided in an embodiment of the present invention；
Fig. 3 is the structural representation of ejector example IV provided in an embodiment of the present invention；
Fig. 4 is the structural representation of fluidic system embodiment one provided in an embodiment of the present invention；
Fig. 5 is the structural representation of fluidic system embodiment two provided in an embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with this hair
Accompanying drawing in bright embodiment, is clearly and completely described to the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of protection of the invention.
Fig. 1 is the structural representation of ejector embodiment one provided in an embodiment of the present invention, as shown in figure 1,
The ejector, including：Ejection section 10 and the diffusion part 20 being connected with ejection section 10.
Wherein, ejection section 10 is provided with spout 11, and spout 11 is connected with diffusion chamber 21；Diffusion chamber 21
It is the inner chamber of diffusion part 20；The adjusting means 12 for adjusting the size of spout 11 is provided with spout 11.
Alternatively, ejection section 10 is inserted into diffusion chamber 21, and spout is located in diffusion chamber, makes it
Hanging setting, the outer wall of playpipe and one end airtight connection of diffusion part 20.In addition, in ejection section 10
Spout 11 can also be arranged on the inwall of diffusion chamber 21.
Alternatively, diffusion chamber 21 can be cylindrical type cavity, it is necessary to explanation, the present invention is not to expanding
The concrete shape for dissipating chamber is specifically limited.
In the present embodiment, when the flow in ejection section is smaller, device can be controlled to adjust, makes injection
The spout in portion diminishes, and so ensures that the fluid column for being ejected into diffusion chamber by ejection section has enough
Flow velocity, and then ejector can be made normally to run, when the flow in ejection section is larger, can control
Adjusting means, makes the spout of ejection section become big, improves the flow of ejection section injection, and then improve ejector
Suction force and pumping efficiency.
The ejector that the present invention is provided is provided with the inner space of spout, spout and diffusion part in ejection section；
And the adjusting means for adjusting spout size is provided with spout.The present invention is by the spout in ejection section
Place is provided with the adjusting means for adjusting spout size, improves the applicability of ejector, it is to avoid existing
Need frequently to change the defect of ejector in technology.
Further, in an embodiment of the present invention, inwall of the diffusion part 20 near one end of spout 11
On be provided with pump orifice (not shown).
Specifically, pump orifice is arranged on the diffusion chamber position nearest apart from jet opening distance.In addition, suction
Mouth is work suction inlet, it is understood that be the opening for draw target fluid, i.e., can by the pump orifice
With draw target liquid, target liq is drawn into diffusion chamber.
In the present embodiment, ejection section is used for fluid of the injection with pressure in diffusion chamber, with suction
Negative pressure is formed at mouthful, to carry out drawing liquid.
In addition, in the present embodiment, the other end of diffusion chamber can be provided with water tank, enable flow through diffusion
Chamber can be entered into water tank, and the water tank can be connected with outside atmosphere, so, water is flowed into fluid
When in case, would not increase the pressure of gas in clearance spaces in water tank, be conducive to being taken out by pump orifice
Inhale target fluid.Wherein pump orifice can be arranged near the side of spout in diffusion chamber, so in spout
During place's ejecting fluid, the target fluid that the suction produced around spout can just be connected pump orifice is taken out
Be drawn onto in diffusion chamber, and if the pump orifice apart from spout farther out when, the spout spray fluid column to spray
The suction of suction inlet is difficult to be drawn into target fluid in diffusion chamber with regard to very little, and diffusion chamber with it is outer
The intercommunicating pore of portion's atmosphere, it is necessary to be arranged far from the side of spout, so can not just influence spray
The suction that mouth is produced to pump orifice, and then best suction effect is reached, and also pumping efficiency can also reach
To maximum.
Specifically, ejection section 10 can be playpipe, diffusion part 20 can be anemostat；Wherein, spray
Penetrate the internal diameter of the internal diameter less than anemostat of pipe.
On the basis of the technical scheme of above-described embodiment one and embodiment two, in the embodiment of the present invention three
In technical scheme, Fig. 2 is the structural representation of ejector embodiment three provided in an embodiment of the present invention, such as
Shown in Fig. 2, the ejector that the present invention is provided also includes：Flow for detecting liquid in ejection section
Flow sensor 30 and electrically connect with flow sensor 30, and for being detected according to flow sensor 30
The flow signal for arriving controls to adjust the controller 31 of device.
In the present embodiment, flow sensor 30 is arranged on the inside of ejection section, controller 31 and regulation
Device is connected.
Specifically, when the flow value of the flow signal reduces, control device will be adjusted automatically
The opening of device diminishes, and when the flow value of flow signal becomes big, control device will be adjusted automatically
The opening of regulating device becomes big, and thus without manually be adjusted, and regulation is more accurate, it is ensured that
The normal of ejector is used.
On the basis of the technical scheme of above-described embodiment one to three, in the technical side of the embodiment of the present invention four
In case, adjusting means is regulating valve.
Specifically, adjusting means is stopper rod, then through hole is provided with the side wall of ejection section.
In the present embodiment, stopper rod is tightly connected with through hole, and stopper rod extend into spout through through hole.
In addition, stopper rod can be moved along the radial direction of playpipe.
In the present embodiment, moving up and down with stopper rod, the depth in stopper rod insertion playpipe
Also it is just different, when inner chamber of the stopper rod through playpipe, inner chamber blocking surface of the stopper rod to playpipe
Product is maximum, with the continuous extraction of stopper rod, the cut-off area to spraying tube cavity of stopper rod also just by
It is decrescence small, so can realize realizing adjustment to the size of playpipe spout by moving up and down stopper rod,
When the flow of high-pressure fluid is smaller, stopper rod can be controlled, the spout of ejection section is diminished, thus
Can ensure that the fluid column for being ejected into diffusion chamber by ejection section has enough pressure and flow velocity, Jin Erke
So that ejector normally runs, when the flow of high-pressure fluid is larger, device can be controlled to adjust, make spray
The spout for penetrating portion becomes big, improves the flow of ejection section injection, and then improve suction force and the suction of ejector
Efficiency.
Alternatively, can be moved up and down in through hole in order to stopper rod can be ensured, stopper rod can be rotation
Turn bolt, through hole can be bolt hole, and swivel bolt is connected in bolt hole.
Further, since the axis cross-sectional area of swivel bolt is smaller, so in the stop area to spout
It is smaller, and then make the adjustable range of spout size smaller, in order to the adjustable range of spout can be expanded,
Specifically, swivel bolt includes the cut-off end extending into ejection section spout, cut-off is provided with cut-off on end
Plate, ejection section is provided with groove away from the inwall of swivel bolt side, end plate a part be arranged on it is recessed
In groove, another part is arranged in the cavity of ejection section, ends axis of the plate perpendicular to ejection section inner chamber,
On the axis direction of swivel bolt, cut-off plate is rotated with the cut-off end of swivel bolt and is connected.
The present embodiment sets cut-off plate by the bottom of stopper rod, because the area for ending plate is much big
In the axis sectional area of swivel bolt, adjusted by adjusting cut-off plate in the size of the insertion portion of groove
The whole stop area to spout, and then the size of spout can be adjusted, can thus expand spout size
Adjustable range, make the scope of application of ejector bigger.
Further, Fig. 3 is the structural representation of ejector example IV provided in an embodiment of the present invention,
As shown in figure 3, internal diameter of the ejection section 10 near one end of diffusion part 20 is less than away from the one of diffusion part 20
The internal diameter at end.
Specifically, being less than away from diffusion by the present invention in that obtaining internal diameter of the ejection section near one end of diffusion part
The internal diameter of the one end in portion, as the internal diameter of ejection section is gradually reduced, can improve the stream of ejection section injection
The flow of body.
The present invention also provides a kind of fluidic system, and Fig. 4 is implemented for fluidic system provided in an embodiment of the present invention
The structural representation of example one, as shown in figure 4, the fluidic system, including：High-voltage tube 200 and ejector
100；Wherein, high-voltage tube 200 is connected with ejection section 10；Wherein, the internal diameter of high-voltage tube 200 is more than spray
Penetrate the internal diameter in portion 10.
In the present embodiment, high-voltage tube 200 is tightly connected with ejection section 10.
Wherein, the ejector in the embodiment of the present invention is the ejector shown in Fig. 1-Fig. 3, its realization principle
It is similar with effect is realized, will not be repeated here.
On the basis of the technical scheme of above-described embodiment, Fig. 5 is jet system provided in an embodiment of the present invention
The structural representation of embodiment two of uniting, as shown in figure 5, the fluidic system also includes, for connecting high pressure
The connecting tube 300 of pipe and ejector.
The internal diameter of connecting tube 300 is gradually reduced along the direction of ejection section in the present embodiment.
Because high-voltage tube is contained within high-pressure fluid, and the internal diameter of high-voltage tube is more than the internal diameter of playpipe, high
Pressure fluid is flowed into playpipe from high-voltage tube, if its internal diameter reduces suddenly, high-pressure fluid can strike,
High-pressure fluid can be made to damage substantial amounts of energy, the energy all is used to enter high-voltage tube with the junction of playpipe
Row acting, in order to reduce the energy loss of the connecting tube, high-voltage tube is connected by connecting tube with playpipe,
One end of connecting tube is connected to playpipe, and the other end of connecting tube is connected to high-voltage tube, the internal diameter of connecting tube
It is gradually reduced along the direction of ejection section.
In embodiments of the present invention, the specific work process of fluidic system is as follows：High-voltage tube is from ejection section
, to high-pressure fluid is sprayed in diffusion chamber, with the ejection of high-pressure fluid, the gas around spout is just for spout
Can be taken away by high-pressure fluid, the pressure around such spout will be reduced, form negative pressure band, or even shape
Into moment vacuum belt, just it is arranged on due to pump orifice in the negative pressure band, can be thus produced in pump orifice
Suction, the flow velocity of the fluid ejected when spout is sufficiently fast, when pressure is most enough big, is produced in pump orifice
Raw suction is also just sufficiently large, and the target fluid that can be connected pump orifice is drawn into diffusion chamber, so
The effect that the ejector aspirates the target fluid can just be realized.When the flow of fluid in ejection section is smaller
When, by the flow velocity and pressure of spout ejecting fluid also with regard to very little, the pressure difference of the negative pressure band produced by fluid
Also with regard to very little, the suction so produced by the pump orifice is unable to reach the minimum suction force of suction, it is impossible to will
The target fluid that pump orifice is connected is drawn into diffusion chamber, and then cannot just realize the suction mesh of ejector
, the spout of ejection section is diminished by adjusting means, with diminishing for spout, can improve by spray
The flow velocity and pressure of the fluid column that mouth is ejected, make the pressure difference of the negative pressure band produced by the fluid become big, enter
And suction force produced in pump orifice can be improved, when the flow velocity and sufficiently large pressure of the shower,
Enough suction forces, and the target stream that pump orifice can be connected just can be produced in pump orifice position
Body is drawn into diffusion chamber, can thus realize the effect that the ejector aspirates the target fluid.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than right
Its limitation；Although being described in detail to the present invention with reference to foregoing embodiments, this area it is common
Technical staff should be understood：It can still modify to the technical scheme described in foregoing embodiments,
Or equivalent is carried out to which part or all technical characteristic；And these modifications or replacement, and
The scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution is not made.
Claims (10)
1. a kind of ejector, it is characterised in that including：Ejection section and the diffusion being connected with the ejection section
Portion；
Wherein, the ejection section is provided with spout, and the spout is connected with diffusion chamber；The diffusion chamber is
The inner chamber of the diffusion part；
The adjusting means for adjusting the spout size is provided with the spout.
2. ejector according to claim 1, it is characterised in that the diffusion part is near the spray
Pump orifice is provided with the inwall of one end of mouth.
3. ejector according to claim 1, it is characterised in that the ejection section is playpipe,
The diffusion part is anemostat；
Internal diameter of the internal diameter of the playpipe less than the anemostat.
4. according to any described ejectors of claim 1-3, it is characterised in that also include：For examining
The flow flow sensor of the liquid surveyed in the ejection section and electrically connect with the flow sensor, and
Flow signal for being detected according to the flow sensor controls the controller of the adjusting means；
Wherein, the flow sensor is arranged on the inside of the ejection section；The controller and the tune
Regulating device is connected.
5. ejector according to claim 4, it is characterised in that the adjusting means is regulating valve.
6. ejector according to claim 4, it is characterised in that the adjusting means is stopper rod,
Then through hole is provided with the side wall of the ejection section；
Wherein, the stopper rod is tightly connected with the through hole, and the stopper rod is stretched through the through hole
Enter to the spout.
7. ejector according to claim 6, it is characterised in that the stopper rod is near the spray
One end of mouth is provided with cut-off plate；
The cut-off plate is vertical with the inner chamber of the ejection section, and is connected with stopper rod rotation.
8. ejector according to claim 4, it is characterised in that the ejection section is near the expansion
Internal diameter of the internal diameter of the one end in the portion of dissipating less than the one end away from the diffusion part.
9. a kind of fluidic system, it is characterised in that including：High-voltage tube and claim 1-8 are any described
Ejector；
The high-voltage tube is connected with ejection section；
Wherein, internal diameter of the internal diameter of the high-voltage tube more than the ejection section.
10. system according to claim 9, it is characterised in that also include, it is described for connecting
The connecting tube of high-voltage tube and the ejector；
The internal diameter of the connecting tube is gradually reduced along the direction of the ejection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510799795.1A CN106762859A (en) | 2015-11-19 | 2015-11-19 | Ejector and fluidic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510799795.1A CN106762859A (en) | 2015-11-19 | 2015-11-19 | Ejector and fluidic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106762859A true CN106762859A (en) | 2017-05-31 |
Family
ID=58914736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510799795.1A Pending CN106762859A (en) | 2015-11-19 | 2015-11-19 | Ejector and fluidic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762859A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295803A (en) * | 2020-09-25 | 2021-02-02 | 中国空气动力研究与发展中心低速空气动力研究所 | Jet device with continuously adjustable nozzle height |
| CN117142752A (en) * | 2023-08-31 | 2023-12-01 | 佛山科学技术学院 | Spout adjustment mechanism of gas jet spray pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1017792A (en) * | 1911-02-13 | 1912-02-20 | Penberthy Injector Co | Ejector. |
| US2608053A (en) * | 1946-05-03 | 1952-08-26 | Davidson Milton | Variable area diffuser or effuser |
| CN101876329A (en) * | 2009-04-30 | 2010-11-03 | 中国石油天然气股份有限公司 | Injection pump with variable nozzle |
| CN202579361U (en) * | 2012-06-07 | 2012-12-05 | 天津聚贤达科技有限公司 | Automatic control type steam jet heat pump |
| CN104265699A (en) * | 2014-09-29 | 2015-01-07 | 江苏大学 | Jet pump with adjustable area ratio |
| CN104295538A (en) * | 2014-09-29 | 2015-01-21 | 江苏大学 | Jet pump with variable area ratio |
-
2015
- 2015-11-19 CN CN201510799795.1A patent/CN106762859A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1017792A (en) * | 1911-02-13 | 1912-02-20 | Penberthy Injector Co | Ejector. |
| US2608053A (en) * | 1946-05-03 | 1952-08-26 | Davidson Milton | Variable area diffuser or effuser |
| CN101876329A (en) * | 2009-04-30 | 2010-11-03 | 中国石油天然气股份有限公司 | Injection pump with variable nozzle |
| CN202579361U (en) * | 2012-06-07 | 2012-12-05 | 天津聚贤达科技有限公司 | Automatic control type steam jet heat pump |
| CN104265699A (en) * | 2014-09-29 | 2015-01-07 | 江苏大学 | Jet pump with adjustable area ratio |
| CN104295538A (en) * | 2014-09-29 | 2015-01-21 | 江苏大学 | Jet pump with variable area ratio |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295803A (en) * | 2020-09-25 | 2021-02-02 | 中国空气动力研究与发展中心低速空气动力研究所 | Jet device with continuously adjustable nozzle height |
| CN112295803B (en) * | 2020-09-25 | 2022-04-26 | 中国空气动力研究与发展中心低速空气动力研究所 | Jet device with continuously adjustable nozzle height |
| CN117142752A (en) * | 2023-08-31 | 2023-12-01 | 佛山科学技术学院 | Spout adjustment mechanism of gas jet spray pipe |
| CN117142752B (en) * | 2023-08-31 | 2024-02-27 | 佛山科学技术学院 | Spout adjustment mechanism of gas jet spray pipe |
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Application publication date: 20170531 |
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