CN113985059A - Automatic stirring formula spike particle generator - Google Patents
Automatic stirring formula spike particle generator Download PDFInfo
- Publication number
- CN113985059A CN113985059A CN202111247432.9A CN202111247432A CN113985059A CN 113985059 A CN113985059 A CN 113985059A CN 202111247432 A CN202111247432 A CN 202111247432A CN 113985059 A CN113985059 A CN 113985059A
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- Prior art keywords
- particle generator
- pressure cavity
- automatic stirring
- stirring impeller
- generator according
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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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- 238000003756 stirring Methods 0.000 title claims abstract description 72
- 239000002245 particle Substances 0.000 title claims abstract description 60
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 239000000700 radioactive tracer Substances 0.000 claims description 32
- 238000007789 sealing Methods 0.000 claims description 30
- 239000012530 fluid Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/18—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
- G01P5/20—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance using particles entrained by a fluid stream
Abstract
The invention discloses an automatic stirring type tracing particle generator which comprises a shell, a high-pressure cavity formed in the shell and a stirring impeller arranged in the high-pressure cavity in a free rotating mode, wherein the shell is provided with an air inlet and an air outlet which are communicated with the high-pressure cavity, the stirring impeller is arranged close to the bottom of the high-pressure cavity, the rotating axis of the stirring impeller is superposed with the axis of the high-pressure cavity, the number of the air inlets is multiple, the air inlets are uniformly arranged along the circumferential direction of the high-pressure cavity, and the air inlets are used for spraying high-pressure air flow onto blades of the stirring impeller so as to enable the stirring impeller to rotate directionally. This automatic stirring formula spike particle generator utilizes the air to incide momentum and realizes automatic stirring, need not use the motor, does not relate to thermal-insulated and seal structure of motor yet for the structure is simplified greatly, has reduced the structure complexity of spike particle generator.
Description
Technical Field
The invention relates to the technical field of particle generators, in particular to an automatic stirring type tracing particle generator.
Background
Velocity measurement is an important means of research in the field of fluids, and one of the most common and effective methods is to characterize the velocity of fluids with very well-followed small particles (typically several microns, even sub-micron). Such small particles are called trace particles, and the trace particle generator is a device for uniformly throwing trace particles into a fluid and ensuring that the trace particles have a sufficient concentration.
Some tracer particle generators adopt a direct blowing mode, but it is difficult to ensure that particles can be continuously and uniformly added into a fluid (air can form a flow track in the tracer particles, and the tracer particles outside the track cannot be wrapped). The existing solution is to stir the tracer particles by a motor, which can improve the tracer particles to a certain extent, but the system is complex, and particularly when the tracer particles work under the test conditions of heating and pressurizing, the problems of sealing and heat insulation of the motor are difficult to treat.
In view of the above, how to solve the problem that the tracer particle generator adds particles uniformly into the fluid to cause a complicated structure has become a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides an automatic stirring type trace particle generator to solve the problem of complicated structure caused by the uniform addition of fluid into the trace particle generator.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an automatic stirring formula spike particle generator, includes the casing, be formed in high-pressure cavity in the casing with free rotation's mode set up in impeller in the high-pressure cavity, be provided with on the casing with air inlet and gas outlet of high-pressure cavity intercommunication, impeller is close to impeller's bottom is arranged, just impeller's rotation axle center with high-pressure cavity's axle center coincidence, the quantity of air inlet is a plurality of and follows high-pressure cavity's circumference is evenly arranged, the air inlet is used for spraying high-pressure gas stream extremely on impeller's the blade so that impeller directional rotation.
Preferably, the stirring impeller is a turbine.
Preferably, the rotating shaft of the stirring impeller extends out of the high-pressure cavity, a bearing seat is arranged outside the high-pressure cavity, and the rotating shaft is rotatably arranged on the bearing seat through a bearing.
Preferably, the number of the bearings arranged in the bearing seat is at least two.
Preferably, an axle seat sealing gasket is arranged between the bearing seat and the lower shell wall of the shell, and an axle seat end cover is arranged at one end, far away from the lower shell wall of the shell, of the bearing seat.
Preferably, the number of the air inlets corresponds to the number of the blades of the agitating impeller.
Preferably, the housing comprises a cylinder body with openings at two ends, an upper sealing cover arranged at the upper end of the cylinder body and a lower sealing cover arranged at the lower end of the cylinder body.
Preferably, an upper flange is arranged at the upper end of the cylinder body, and the upper sealing cover is connected with the upper flange in a sealing manner; the lower end of the cylinder body is provided with a lower flange, and the lower sealing cover is connected with the lower flange in a sealing mode.
Preferably, an upper sealing gasket is arranged between the upper sealing cover and the upper flange; and a lower sealing gasket is arranged between the lower sealing cover and the lower flange.
Preferably, the gas outlet is located at the center of the top of the high-pressure cavity, and a gas outlet port of the gas outlet is a flange port.
Compared with the introduction content of the background technology, the automatic stirring type tracing particle generator comprises a shell, a high-pressure cavity formed in the shell and a stirring impeller arranged in the high-pressure cavity in a free rotating mode, wherein the shell is provided with an air inlet and an air outlet communicated with the high-pressure cavity, the stirring impeller is arranged close to the bottom of the high-pressure cavity, the rotating axis of the stirring impeller coincides with the axis of the high-pressure cavity, the number of the air inlets is multiple, the air inlets are uniformly arranged along the circumferential direction of the high-pressure cavity, and the air inlets are used for jetting high-pressure air flow to blades of the stirring impeller so as to enable the stirring impeller to rotate directionally. In the practical application process, high-pressure gas is introduced into the gas inlet, and the stirring impeller in the center of the high-pressure cavity is impacted by utilizing the momentum of high-pressure incident air, so that the stirring impeller rotates; the stirring impeller rotates to stir the tracer particles in the high-pressure cavity, and the stirred tracer particles are blown by incident air when passing through an incident air track and then are wrapped by the air to flow out; the stirring impeller continuously rotates to continuously stir the particles to realize uniform mixing of the tracer particles, the working process mainly utilizes the incident momentum of air to realize automatic stirring, a motor is not needed, and the heat insulation and sealing structure of the motor is not involved, so that the structure is greatly simplified, and the structural complexity of the tracer particle generator is reduced; in addition, because the heat insulation problem of parts such as a motor and the like does not need to be considered, the tracer particle generator with the structure can be suitable for severe working conditions such as high temperature and high pressure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an external structure of an automatic stirring type tracer particle generator according to an embodiment of the present invention;
FIG. 2 is a schematic longitudinal sectional view of an automatic stirring type tracer particle generator according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an automatic stirring type tracer particle generator according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a stirring impeller provided in the embodiment of the present invention.
Wherein, in fig. 1-4:
the device comprises a shell 1, a high-pressure cavity 2, a stirring impeller 3, an air inlet 4, an air outlet 5, a rotating shaft 6, a bearing seat 7, a bearing 8, a shaft seat sealing gasket 9, a shaft seat end cover 10, a cylinder body 11, an upper flange 11a, a lower flange 11b, an upper sealing cover 12, a lower sealing cover 13, an upper sealing gasket 14 and a lower sealing gasket 15.
Detailed Description
The core of the invention is to provide an automatic stirring type tracing particle generator to solve the problem of complex structure caused by adding fluid into the tracing particle generator to satisfy the requirement of particles.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides an automatic stirring type trace particle generator, including a housing 1, a high pressure cavity 2 formed in the housing 1, and a stirring impeller 3 disposed in the high pressure cavity 2 in a free rotation manner, the housing 1 is provided with an air inlet 4 and an air outlet 5 communicated with the high pressure cavity 2, the stirring impeller 3 is disposed near the bottom of the high pressure cavity 2, a rotation axis of the stirring impeller 3 coincides with an axis of the high pressure cavity 2, the number of the air inlets 4 is plural and is uniformly disposed along a circumferential direction of the high pressure cavity 2, and the air inlets 4 are used for spraying a high pressure air flow onto blades of the stirring impeller 3 to make the stirring impeller 3 rotate directionally.
In the practical application process, high-pressure gas is introduced into the gas inlet, and the stirring impeller in the center of the high-pressure cavity is impacted by utilizing the momentum of high-pressure incident air, so that the stirring impeller rotates; the stirring impeller rotates to stir the tracer particles in the high-pressure cavity, and the stirred tracer particles are blown by incident air when passing through an incident air track and then are wrapped by the air to flow out; the stirring impeller continuously rotates to continuously stir the particles to realize uniform mixing of the tracer particles, the working process mainly utilizes the incident momentum of air to realize automatic stirring, a motor is not needed, and the heat insulation and sealing structure of the motor is not involved, so that the structure is greatly simplified, and the structural complexity of the tracer particle generator is reduced; in addition, because the heat insulation problem of parts such as a motor and the like does not need to be considered, the tracer particle generator with the structure can be suitable for severe working conditions such as high temperature and high pressure.
In some specific embodiments, the stirring impeller 3 may be a turbine, and other types of stirring impellers may be used, but the present invention preferably uses a turbine structure.
In some more specific embodiments, the stirring impeller 3 is preferably designed such that the rotating shaft 6 of the stirring impeller 3 extends to the outside of the high-pressure chamber 2, the outside of the high-pressure chamber 2 is provided with a bearing seat 7, and the rotating shaft 6 is rotatably provided to the bearing seat 7 through a bearing 8. The rotating shaft extends out of the high-pressure cavity, so that the bearing can be prevented from being influenced by high-temperature and high-pressure airflow in the high-pressure cavity, and the service life of the bearing can be prolonged.
In a further embodiment, in order to ensure the stability of the rotation of the rotating shaft 6, the number of bearings 8 provided in the bearing seat 7 is generally designed to be at least two.
In some more specific embodiments, an axle seat sealing gasket 9 may be disposed between the bearing seat 7 and the lower casing wall of the casing 1, and an end of the bearing seat 7 away from the lower casing wall of the casing 1 may be provided with an axle seat cover 10. Through designing axle bed seal gasket 9, can guarantee the leakproofness of being connected between bearing frame and the shell to prevent the leakage of air current and tracer particle in the high-pressure cavity, make the installation and the dismantlement of bearing more convenient through designing axle bed end cover 10.
In a further embodiment, the number of the air inlets 4 is preferably designed to be consistent with the number of the blades of the stirring impeller 3, but it is understood that the above arrangement is only a preferred example of the embodiment of the present invention, and other numbers can be designed in practical application.
In some specific embodiments, the housing 1 may be designed to be detachable from top to bottom, and specifically, the housing 1 may include a barrel 11 with two open ends, an upper cover 12 disposed at the upper end of the barrel 11, and a lower cover 13 disposed at the lower end of the barrel 11. Through designing the casing into above-mentioned structural style for it is more convenient that installation impeller and loading spike particle in the high-pressure cavity.
In a further embodiment, the upper end of the cylinder 11 may be provided with an upper flange 11a, and the upper cover 12 is hermetically connected to the upper flange 11 a; the lower end of the cylinder 11 may be provided with a lower flange 11b, and the lower cover 13 is hermetically connected to the lower flange 11 b. Through designing flange structure respectively at the upper and lower end of barrel for it is more convenient to operate to install barrel and lower closing cap to the barrel to go up the closing cap, only need through the fastener fixed can.
It should be noted that, in order to ensure the sealing performance inside the high-pressure cavity, an upper sealing gasket 14 is generally disposed between the upper sealing cover 12 and the upper flange 11 a; a lower sealing gasket 15 is generally disposed between the lower cover 13 and the lower flange 11 b.
In some more specific embodiments, the gas outlet 5 is preferably designed to be located at the top center of the high pressure chamber 2, and in order to facilitate the connection of the fluid with the trace particles from the trace particle generator with the external device, the gas outlet port of the gas outlet 5 is preferably designed to be a flange port.
The automatic stirring type tracer particle generator provided by the invention is described in detail above. It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It is also noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. An automatic stirring type tracer particle generator is characterized by comprising a shell (1), a high-pressure cavity (2) formed in the shell (1) and a stirring impeller (3) arranged in the high-pressure cavity (2) in a free rotating mode, an air inlet (4) and an air outlet (5) which are communicated with the high-pressure cavity (2) are arranged on the shell (1), the stirring impeller (3) is arranged close to the bottom of the high-pressure cavity (2), and the rotating axis of the stirring impeller (3) is superposed with the axis of the high-pressure cavity (2), the number of the air inlets (4) is a plurality and is evenly distributed along the circumferential direction of the high-pressure cavity (2), the air inlet (4) is used for spraying high-pressure air flow onto blades of the stirring impeller (3) so as to enable the stirring impeller (3) to rotate directionally.
2. The automatic stirring type tracer particle generator according to claim 1, wherein the stirring impeller (3) is a turbine.
3. The automatic stirring type tracer particle generator according to claim 1, wherein the rotating shaft (6) of the stirring impeller (3) extends to the outside of the high pressure chamber (2), a bearing seat (7) is provided on the outside of the high pressure chamber (2), and the rotating shaft (6) is rotatably provided on the bearing seat (7) through a bearing (8).
4. The automatic stirring type tracer particle generator according to claim 3, wherein the number of bearings (8) provided in the bearing housing (7) is at least two.
5. The automatic stirring type tracer particle generator according to claim 3, wherein an axle seat sealing gasket (9) is provided between the bearing seat (7) and the lower shell wall of the housing (1), and an axle seat end cap (10) is provided at an end of the bearing seat (7) away from the lower shell wall of the housing (1).
6. The automatic stirring type tracer particle generator according to claim 1, wherein the number of the air inlets (4) is identical to the number of blades of the stirring impeller (3).
7. The automatic stirring type tracer particle generator according to claim 1, wherein the housing (1) includes a cylinder (11) opened at both ends, an upper cap (12) provided at an upper end of the cylinder (11), and a lower cap (13) provided at a lower end of the cylinder (11).
8. The automatic stirring type tracer particle generator according to claim 7, wherein the upper end of the cylinder (11) is provided with an upper flange (11a), and the upper cover (12) is hermetically connected with the upper flange (11 a); the lower end of the cylinder body (11) is provided with a lower flange (11b), and the lower sealing cover (13) is connected with the lower flange (11b) in a sealing mode.
9. The automatic stirring type tracer particle generator according to claim 8, wherein an upper sealing gasket (14) is provided between the upper cover (12) and the upper flange (11 a); and a lower sealing gasket (15) is arranged between the lower sealing cover (13) and the lower flange (11 b).
10. The automatic stirring type tracer particle generator according to any of claims 1-9, wherein the gas outlet (5) is located at the top center of the high pressure chamber (2), and the gas outlet port of the gas outlet (5) is a flange port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111247432.9A CN113985059A (en) | 2021-10-26 | 2021-10-26 | Automatic stirring formula spike particle generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111247432.9A CN113985059A (en) | 2021-10-26 | 2021-10-26 | Automatic stirring formula spike particle generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113985059A true CN113985059A (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111247432.9A Pending CN113985059A (en) | 2021-10-26 | 2021-10-26 | Automatic stirring formula spike particle generator |
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| CN111521366A (en) * | 2020-05-08 | 2020-08-11 | 上海机电工程研究所 | Flow display device applied to trailing vortex of control surface of supersonic rotary aircraft |
| CN212017468U (en) * | 2019-11-13 | 2020-11-27 | 石药集团新诺威制药股份有限公司 | High-efficiency energy-saving stirring device suitable for tank type reaction |
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| CN212701356U (en) * | 2020-04-29 | 2021-03-16 | 苏州翔铭化工设备有限公司 | Novel filter membrane cylinder |
| CN213885724U (en) * | 2020-11-10 | 2021-08-06 | 吴仲亿 | Cyclone solid particle generator |
| CN113281533A (en) * | 2021-05-19 | 2021-08-20 | 上海交通大学 | Solid-state tracer particle scattering device based on hourglass filling and multi-stage filtering |
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2021
- 2021-10-26 CN CN202111247432.9A patent/CN113985059A/en active Pending
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