CN106855179A - A kind of device and energy collecting device for increasing liquid flow stability - Google Patents
A kind of device and energy collecting device for increasing liquid flow stability Download PDFInfo
- Publication number
- CN106855179A CN106855179A CN201510896297.9A CN201510896297A CN106855179A CN 106855179 A CN106855179 A CN 106855179A CN 201510896297 A CN201510896297 A CN 201510896297A CN 106855179 A CN106855179 A CN 106855179A
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- China
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- liquid
- conveying liquid
- aqueduct
- conveying
- liquid device
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- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
Abstract
The invention belongs to hydrodynamics technology field, and in particular to a kind of device and energy collecting device of increase liquid flow stability.Increasing the device of liquid flow stability includes the first conveying liquid device, the first conveying liquid device is connected with the second conveying liquid device, liquid from first conveying liquid device flow to the second conveying liquid device when, negative pressure region, the negative pressure region is produced to be in communication with the outside near the water inlet of the second conveying liquid device；The device can eliminate or reduce negative pressure region, increase the stability of liquid flowing, and it can be applied to the technical fields such as pump water, aeration or generating.
Description
Technical field
The invention belongs to hydrodynamics technology field, and in particular to a kind of device and energy collecting device of increase liquid flow stability.
Background technology
The transport of liquid is widely present in multiple industries, and such as industrial production, agricultural irrigation, the exploitation of oil is utilized, also frequently referred in daily life.Generally along with energy loss in the transportation of liquid.In many liquid transmissions, the energy loss that pipe joint is caused has exceeded in pipeline because of the loss of VISCOUS FLOW, therefore, pipe joint（Such as：Tee pipe coupling, elbow and restriction etc.）It is to cause the one of the main reasons of energy loss.Why pipe joint can cause the energy loss of liquid, and very big reason is that pipe joint makes the flow velocity of liquid or flow direction there occurs change.
The flow velocity or flow direction of liquid change, and especially change suddenly, can cause have negative pressure region in pipe, due to the presence of negative pressure region, liquid can be made to occur backflow phenomenon in flow process, influence the flow velocity of liquid, not only can increase energy loss, also result in liquid flowing instability；Liquid flowing instability can produce noise, and increase the load of pipeline, reduce the service life of pipe-line equipment, destroy the stability of equipment.Negative pressure region causes the phenomenon of liquid flowing instability, exists in a liquid particularly evident when gas or non-constant flow rate of liquid.
The content of the invention
The present invention provides a kind of device for increasing liquid flow stability, and the device can eliminate or reduce negative pressure region, increase the stability of liquid flowing.
The present invention is adopted the following technical scheme that：A kind of device for increasing liquid flow stability, including the first conveying liquid device, the first conveying liquid device is connected with the second conveying liquid device, liquid from first conveying liquid device flow to the second conveying liquid device when, negative pressure region, the negative pressure region is produced to be in communication with the outside near the water inlet of the second conveying liquid device.
Preferably, the negative pressure region is in communication with the outside by the aperture on the second conveying liquid device or gap.
It is preferred that the negative pressure region is in communication with the outside by appendix.
Present invention also offers a kind of energy collecting device, it includes the first conveying liquid device, the first conveying liquid device is connected with the second conveying liquid device, liquid from first conveying liquid device flow to the second conveying liquid device when, negative pressure region, the negative pressure region is produced to be in communication with the outside near the water inlet of the second conveying liquid device；
It is described second conveying liquid device be aqueduct, liquid from described first conveying liquid device flow to the aqueduct when, the flow direction of liquid can change, and the speed with gravity direction；The first conveying liquid device or aqueduct or the first conveying liquid device are provided with air inlet with the junction of aqueduct；
The aqueduct is connected with collection of energy storehouse, liquid from the aqueduct flow to the collection of energy storehouse when, the flow direction of liquid can change, and the speed with horizontal direction；The collection of energy position in storehouse is in the lower section of the negative pressure region；The collection of energy storehouse is provided with exhaust outlet and discharge outlet.
Preferably, the negative pressure region is in communication with the outside by the aperture on aqueduct or gap.
It is preferred that the negative pressure region is in communication with the outside by appendix.
Any of the above-described scheme is preferably, and the collection of energy storehouse is collection of energy pipe, the caliber of the caliber more than aqueduct of the collection of energy pipe.
Preferably, the air inlet is provided with air inlet pipe, and the air inlet pipe includes the venthole being located in the described first conveying liquid device or aqueduct and positioned at extraneous air admission hole.
It may further be preferable that the venthole is located at the center of the described first conveying liquid device or aqueduct or the first conveying liquid device and the section of the junction of aqueduct.
It is preferred that the first conveying liquid device and aqueduct are connected by conduit coupling, the conduit coupling is provided with air inlet.
In the device for increasing liquid flow stability of the invention, first conveying liquid device can make the flow velocity of liquid and/or flow direction change with the setting of the second conveying liquid device, resulting negative pressure region can increase the unstability of liquid flowing, the negative pressure region is in communication with the outside, can eliminate or reduce reduced pressure, thus the stability of liquid flowing is increased, and avoid noise is produced due to liquid flowing instability, the service life of pipeline is extended, also increases the stability of energy collecting device.
Brief description of the drawings
Fig. 1 is the profile of the device of increase liquid flow stability in one embodiment of the present invention.
Fig. 2 is the profile of the device of increase liquid flow stability in another preferred embodiment of the invention.
Fig. 3 is the profile of the device of increase liquid flow stability in another preferred embodiment of the present invention.
Fig. 4 is the profile of the energy collecting device in one embodiment of the present invention.
1- first conveys liquid device, the conveying liquid devices of 2- second, 3- water inlets, 4- negative pressure regions, 5- apertures, 6- appendixs, 7- air inlets, 8- collection of energy storehouse, 9- exhaust outlets, 10- discharge outlet.
Specific embodiment
In order to clearly understand technical scheme, the present invention is described in detail below in conjunction with the accompanying drawings.Embodiments of the invention have exemplary effect, and the improvement without substantive shape that those skilled in the art make on the basis of the embodiment of the present invention should all belong to protection scope of the present invention.
" first ", " second " in the embodiment of the present invention, is simply discriminatively called to certain feature, and this is to understand setting for convenience, has no otherwise restriction.In accompanying drawing 1-4, dotted line exemplarily represents liquid, and the circle in liquid and pipeline exemplarily represents gas.
The device of increase liquid flow stability as Figure 1-3, it includes the first conveying liquid device 1, first conveying liquid device 1 is connected with the second conveying liquid device 2, liquid from first conveying liquid device 1 flow to the second conveying liquid device 2 when, negative pressure region 4, the negative pressure region 4 is produced to be in communication with the outside near the water inlet 3 of the second conveying liquid device 2.
The first conveying liquid device and the second conveying liquid device are typically plumbing installation, and the section (perpendicular to the section of pipe axis) of its pipeline can be circle, rectangle, triangle or other shapes.The need for as the case may be, it is also possible to which the first conveying liquid device and/or the second conveying liquid device are arranged into other structures.
The first conveying liquid device can be with equal with the section of the second conveying liquid device, it is also possible to unequal.When the first conveying liquid device is equal with the section of the second conveying liquid device, first conveying liquid device can be not zero with the second conveying liquid device angle, liquid from first conveying liquid device flow to the second conveying liquid device when, the flow direction of liquid can be changed, and negative pressure region can be produced near the water inlet of the second conveying liquid device.
Position near the water inlet, is determined according to factors such as the cross-sectional sizes of flow, flow velocity and liquid transporting apparatus of liquid.
When the section of the first conveying liquid device and the second conveying liquid device is unequal, liquid from first conveying liquid device flow to the second conveying liquid device when, the flow velocity of liquid can be changed, and negative pressure region can be produced near the water inlet of the second conveying liquid device.
The section of the first conveying liquid device of the present invention refers to, with the perpendicular section of liquid flow direction in the first conveying liquid device；The section of the second conveying liquid device refers to, with the perpendicular section of liquid flow direction in the second conveying liquid device.
First conveying liquid device can make the flow velocity of liquid and/or flow direction change with the setting of the second conveying liquid device, resulting negative pressure region can increase the unstability of liquid flowing, the negative pressure region is in communication with the outside, reduced pressure can be eliminated or reduced, therefore the stability of liquid flowing can be increased.The negative pressure region, is that its pressure is less than external atmosphere pressure for the relative atmospheric pressure with the external world.
The external world, be with it is described increase liquid flow stability device inside comparatively, typically it is described increase liquid flow stability device residing for environment position.
The device of increase liquid flow stability as Figure 1-3, negative pressure region 4 is in communication with the outside by the aperture 5 on the second conveying liquid device 2 or gap.Depending on the size in aperture or gap is according to reduced pressure and the effect to be reached, but it should prevent the liquid in the first conveying liquid device and the second conveying liquid device from being flowed out from aperture or gap in principle.
Generally, in order to preferably eliminate negative pressure region, the negative pressure region is in communication with the outside by appendix.Appendix is a kind of pipeline configuration, and pipeline configuration is relative to hole or gap, the flowing of its gas preferably, therefore, it is possible to eliminating more in time or reducing reduced pressure.
Energy collecting device as shown in Figure 4, it includes the first conveying liquid device 1, the first conveying liquid device 1 is connected with the second conveying liquid device 2, liquid from first conveying liquid device 1 flow to the second conveying liquid device 2 when, negative pressure region 4, negative pressure region 4 is produced to be in communication with the outside near the water inlet 3 of the second conveying liquid device 2；
Second conveying liquid device 2 be aqueduct, liquid from first conveying liquid device 1 flow to the aqueduct when, the flow direction of liquid can change, and the speed with gravity direction；First conveying liquid device 1 or aqueduct or the first conveying liquid device 1 are provided with air inlet 7 with the junction of aqueduct；
The aqueduct is connected with collection of energy storehouse 8, liquid from the aqueduct flow to collection of energy storehouse 8 when, the flow direction of liquid can change, and the speed with horizontal direction；Collection of energy storehouse 8 is located at the lower section of negative pressure region 4；Collection of energy storehouse 8 is provided with exhaust outlet 9 and discharge outlet 10.
Energy collecting device, for collecting body of calming the anger, this has the pressure of body of calming the anger more than extraneous atmospheric pressure.Liquid in aqueduct is under gravity, downward speed can be produced, i.e. transform gravitational energy is kinetic energy, the kinetic energy will can be brought into liquid from air inlet into the gas in aqueduct, and moved downwardly together with liquid, when liquid enters into collection of energy storehouse, gas in liquid can also have horizontal motion, and gas can be floated in a liquid (now the downward speed of liquid is relatively low or be zero), when the gas for floating is more, gas will be discharged from exhaust outlet, the gas of discharge has been body of calming the anger, it can be used for pump water, aeration or TRT etc..
When air inlet is on the first conveying liquid device, due to the viscosity of liquid, the gas near air inlet can together be moved with liquid, and when liquid enters aqueduct, gas can also enter aqueduct, and downward speed is produced under the drive of liquid.
When air inlet is located at the junction of the first conveying liquid device and aqueduct, because the viscosity and liquid of liquid can produce downward speed, the gas near air inlet can also enter in liquid, and be moved downwardly together with liquid.
Negative pressure region can be produced near the water inlet of aqueduct, negative pressure region is in communication with the outside, can eliminate or reduce reduced pressure, therefore the stability of liquid flowing can be increased, and avoid noise is produced due to liquid flowing instability, the service life of pipeline is extended, increase the stability of energy collecting device, the loss amount of liquid flowing is also reduced simultaneously, is improve liquid kinetic energy and is converted into draught head transformation of energy rate（More bodies of calming the anger can be produced）.
In order that flow velocity increase of the liquid in aqueduct, carries more gases and move downward in order to liquid, the pipe axis of aqueduct is typically straight down.Collection of energy storehouse can be pipeline configuration, and one end of the pipeline configuration is connected with aqueduct, and the other end can be discharge outlet；Collection of energy storehouse can also be other structures, such as a kind of cube structure, and the structure is connected with aqueduct, and with discharge outlet and exhaust outlet.Exhaust outlet is typically provided in above collection of energy storehouse（Opening upwards）, beneficial to gas discharge, and prevent liquid from being discharged from exhaust outlet；It is to enter discharge outlet after flowing through exhaust outlet that discharge outlet is located at the downstream of exhaust outlet, i.e. liquid.Collection of energy storehouse is usually horizontal positioned, and this is that in order that the liquid in collection of energy storehouse carries out horizontal movement, the gas being beneficial in liquid floats.
The section in usual collection of energy storehouse（The section perpendicular with liquid flow direction）More than the section of aqueduct（The section perpendicular with liquid flow direction）.This is to reduce the speed of liquid flowing, being easy to the gas in liquid to float, that is, the discharge of the gas being easy in liquid, it is to avoid the waste of energy.
In preferred embodiment, the negative pressure region is in communication with the outside by the aperture on aqueduct or gap.Depending on the size in aperture or gap is according to reduced pressure and the effect to be reached, but it should prevent the liquid in the first conveying liquid device and the second conveying liquid device from being flowed out from aperture or gap in principle.
In preferred embodiment, the negative pressure region is in communication with the outside by appendix.Appendix is a kind of pipeline configuration, and pipeline configuration is relative to hole or gap, the flowing of its gas preferably, therefore, it is possible to eliminating more in time or reducing reduced pressure.
Preferably, the collection of energy storehouse is collection of energy pipe, the caliber of the caliber more than aqueduct of the collection of energy pipe.
Generally, the air inlet is provided with air inlet pipe, and the air inlet pipe includes the venthole being located in the described first conveying liquid device or aqueduct and positioned at extraneous air admission hole.The setting of air inlet pipe, more conducively extraneous gas enters in liquid.
In preferred embodiment, the venthole is located at the center of the described first conveying liquid device or aqueduct or the first conveying liquid device and the section of the junction of aqueduct.The section, refers to the section perpendicular with liquid flow direction, and is the section residing for the venthole center.The venthole is located at the center in the section, refers to the center superposition of the center with section of venthole.In liquid flowing, due to tube wall and the viscosity of liquid, the central speed of liquid is typically maximum, and speed is bigger, more brings in liquid the gas near venthole into beneficial to liquid, in order to collect more bodies of calming the anger, improves the power of equipment.
In preferred embodiment, the first conveying liquid device and aqueduct are connected by conduit coupling, and the conduit coupling is provided with air inlet.The conduit coupling can be three-way pipe or elbow.Air inlet is located on conduit coupling, and liquid can be made to bring in liquid gas into when having downward speed, and more gases can be carried compared with air inlet is on the first conveying liquid device.
The above; only embodiments of the invention, but protection scope of the present invention are not limited thereto, any one skilled in the art the invention discloses technical scope in; change or replacement can be readily occurred in, should be all included within the scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. it is a kind of increase liquid flow stability device, it is characterized in that, including the first conveying liquid device, the first conveying liquid device is connected with the second conveying liquid device, liquid from first conveying liquid device flow to the second conveying liquid device when, negative pressure region, the negative pressure region is produced to be in communication with the outside near the water inlet of the second conveying liquid device.
2. it is according to claim 1 increase liquid flow stability device, it is characterised in that the negative pressure region by second convey liquid device on aperture or gap be in communication with the outside.
3. it is according to claim 1 increase liquid flow stability device, it is characterised in that the negative pressure region is in communication with the outside by appendix.
4. a kind of energy collecting device, it is characterized in that, including the first conveying liquid device, the first conveying liquid device is connected with the second conveying liquid device, liquid from first conveying liquid device flow to the second conveying liquid device when, negative pressure region, the negative pressure region is produced to be in communication with the outside near the water inlet of the second conveying liquid device；
It is described second conveying liquid device be aqueduct, liquid from described first conveying liquid device flow to the aqueduct when, the flow direction of liquid can change, and the speed with gravity direction；The first conveying liquid device or aqueduct or the first conveying liquid device are provided with air inlet with the junction of aqueduct；
The aqueduct is connected with collection of energy storehouse, liquid from the aqueduct flow to the collection of energy storehouse when, the flow direction of liquid can change, and the speed with horizontal direction；The collection of energy position in storehouse is in the lower section of the negative pressure region；The collection of energy storehouse is provided with exhaust outlet and discharge outlet.
5. energy collecting device according to claim 4, it is characterised in that the negative pressure region is in communication with the outside by the aperture on aqueduct or gap.
6. energy collecting device according to claim 4, it is characterised in that the negative pressure region is in communication with the outside by appendix.
7. energy collecting device according to claim 4, it is characterised in that the collection of energy storehouse is collection of energy pipe, the caliber of the caliber more than aqueduct of the collection of energy pipe.
8. energy collecting device according to claim 4, it is characterised in that the air inlet is provided with air inlet pipe, the air inlet pipe includes the venthole being located in the described first conveying liquid device or aqueduct and positioned at extraneous air admission hole.
9. energy collecting device according to claim 8, it is characterised in that the venthole is located at the center of the described first conveying liquid device or aqueduct or the first conveying liquid device and the section of the junction of aqueduct.
10. energy collecting device according to claim 4, it is characterised in that the first conveying liquid device and aqueduct are connected by conduit coupling, and the conduit coupling is provided with air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510896297.9A CN106855179A (en) | 2015-12-08 | 2015-12-08 | A kind of device and energy collecting device for increasing liquid flow stability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510896297.9A CN106855179A (en) | 2015-12-08 | 2015-12-08 | A kind of device and energy collecting device for increasing liquid flow stability |
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| CN106855179A true CN106855179A (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510896297.9A Pending CN106855179A (en) | 2015-12-08 | 2015-12-08 | A kind of device and energy collecting device for increasing liquid flow stability |
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| CN2703908Y (en) * | 2004-04-15 | 2005-06-08 | 魏熙臣 | Injection collectio-shoe device with annular nozzle |
| CN201074612Y (en) * | 2007-07-10 | 2008-06-18 | 中电投远达环保工程有限公司 | Vortex flow type efflux pump |
| CN102128151A (en) * | 2010-01-15 | 2011-07-20 | 翟爱民 | Method and device for collecting water flow energy |
| CN102374142A (en) * | 2010-08-10 | 2012-03-14 | 郭庆 | Hydraulic energy fan |
| CN104696175A (en) * | 2015-03-10 | 2015-06-10 | 陆明伟 | Low water head energy collecting device and method |
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Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB102362A (en) * | 1916-09-07 | 1916-11-30 | Thomas Stirrup Chapman | Improvements in Apparatus for Raising and Forcing Liquids by Means of Compressed Air. |
| CN87105403A (en) * | 1986-08-07 | 1988-02-17 | 克朗费尔德技术研究所 | Jet injector |
| CN2031467U (en) * | 1988-04-30 | 1989-01-25 | 王振华 | Efflux deep-well pump |
| DE4037123A1 (en) * | 1990-11-22 | 1992-05-27 | Vladimir Kuban | Lattice type lift pump - introduces air at venturi near bottom of stand-pipe |
| JPH09221797A (en) * | 1996-02-16 | 1997-08-26 | Kubota Corp | Drain device |
| JP2001165099A (en) * | 1999-12-08 | 2001-06-19 | Fujikura Rubber Ltd | Water feed device for septic tank installation |
| JP2001254700A (en) * | 2000-03-08 | 2001-09-21 | Sekisui Chem Co Ltd | Air lift pump, flow rate regulator, and sewage purifier |
| CN2479270Y (en) * | 2001-04-19 | 2002-02-27 | 沈阳利环设备制造有限公司 | Air lift pump |
| CN2703908Y (en) * | 2004-04-15 | 2005-06-08 | 魏熙臣 | Injection collectio-shoe device with annular nozzle |
| CN201074612Y (en) * | 2007-07-10 | 2008-06-18 | 中电投远达环保工程有限公司 | Vortex flow type efflux pump |
| CN102128151A (en) * | 2010-01-15 | 2011-07-20 | 翟爱民 | Method and device for collecting water flow energy |
| CN102374142A (en) * | 2010-08-10 | 2012-03-14 | 郭庆 | Hydraulic energy fan |
| CN104696175A (en) * | 2015-03-10 | 2015-06-10 | 陆明伟 | Low water head energy collecting device and method |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180510 Address after: 054100 No. 485, West Song Village, San Si Township, Nanhe County, Xingtai, Hebei Applicant after: Nanhe County Mian Technology Co., Ltd. Address before: 100085 7C, 1 building, 2 information road, Haidian District, Beijing. Applicant before: BEIJING SHUICHUANGXINNENG TECHNOLOGY CO., LTD. |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170616 |