CN104548981A - Single bubble generation device - Google Patents
Single bubble generation device Download PDFInfo
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- CN104548981A CN104548981A CN201510036037.4A CN201510036037A CN104548981A CN 104548981 A CN104548981 A CN 104548981A CN 201510036037 A CN201510036037 A CN 201510036037A CN 104548981 A CN104548981 A CN 104548981A
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Abstract
The invention discloses a single bubble generation device, which belongs to the field of apparatuses and instruments, and is suitable for researching scientific experiments and demarcating a two-phase flow instrument apparatus. The single bubble generation device comprises a liquid phase supply system (a liquid phase conveyor pump, a valve and a liquid phase flowmeter), a gas phase supply system (a steel bottle and a gas mass flow controller), a phase mixer and a lead-out pipe. The phase mixer is a key part and consists of a liquid phase input end, a gas phase input end, a liquid phase/gas phase conveyor passage, a spray nozzle and a bubble output end. The liquid phase supply system and the gas phase supply system are respectively connected with the liquid phase input end and the gas phase input end of the phase mixer. A core part of the spray nozzle is a stainless steel capillary pipe. The bubble output end of the phase mixer is connected with the lead-out pipe. The single bubble generation device can be used for continuously supplying spherical bubbles with similar shapes and with diameters slightly less than the size of a pipeline to a millimeter-scale pipeline and has characteristics of simplicity in structure, convenience in installation and the like. The single bubble generation device can be used as a calibration element of a gas phase and liquid phase fraction measuring device and has an import market economic prospect.
Description
Technical field:
The invention belongs to instrument, field of instrumentation technology, be specifically related to a kind of Single bubble generating means.
Background technology:
Along with the development of science and technology, increasing scientific experiment research and two phase flow instrument and meter (as contactless bubble detecting sensor) are demarcated needs related system and device can provide plesiomorphism continuously and diameter is slightly less than the list string spherical bubbles stream of line size for grade pipeline.
Chinese invention patent application 200810167133.2 discloses a kind of fine bubble generating apparatus, can be used in a large number and produce the micro-bubble of diameter equalization efficiently.In the apparatus, when the gas collecting in negative-pressure gas axle is by the gap that formed by the liquid of outside liquid and High Rotation Speed, cut-off formation micro-bubble, and together spued in a large number with liquid.
Chinese invention patent application 200910042161.6 discloses a kind of micro bubble generator, and this device utilizes the phase partitioning function of T-shaped threeway and regulates the change of pressure to become distribute the decentralized photo obtained into micron-sized bubble flow.
Existing bubble generator can only be used for producing micron-sized bubble mostly, and bubble position skewness, easily assembles, and Air Bubble Size much smaller than line size, and same cross section exists a large amount of bubble.
Summary of the invention:
The object of the present invention is to provide a kind of Single bubble generating means, so that plesiomorphism can be provided continuously and diameter is slightly less than the grade spherical bubbles of line size for grade pipeline.This device can provide the spherical bubbles of 2.0-3.8mm, can meet multiplex application and research field to the needs of grade bubble, as the metamorphosis of spherical bubbles in capillary channel and the demarcation of bubble detecting sensor for air and liquid twophase flow experiment.
For achieving the above object, the present invention is achieved by the following technical solutions:
A kind of Single bubble generating means, comprises liquid phase feed system, gas phase feed system, mixed-phase device and delivery line; Wherein, liquid phase feed system comprises liquid phase delivery pump, the first valve, the second valve and liquid phase stream gauge, and gas phase feed system comprises compressed gas cylinder and gas mass flow controller; Liquid phase conveying delivery side of pump is divided into two-way, and pipeline is on the way provided with the first valve, and by the entrance of the second valve connecting fluid multi-phase flowmeter on the pipeline on another road, the outlet of liquid phase stream gauge connects the liquid phase entrance of mixed-phase device; The outlet of compressed gas cylinder connects the entrance of gas mass flow controller, and the outlet of gas mass flow controller connects the gas phase entrance of mixed-phase device, and the outlet of mixed-phase device connects the entrance of delivery line.
The present invention further improves and is: mixed-phase device comprises the liquid phase input, liquid/vapor transfer passage, nozzle and the bubble output that set gradually from left to right and the gas phase input be arranged in liquid/vapor transfer passage circumference; The outlet of liquid phase stream gauge connects the entrance of liquid phase input, and the outlet of gas mass flow controller connects the entrance of gas phase input.
The present invention further improves and is: the center of liquid/vapor transfer passage offers gas phase channel, and the circumference of gas phase channel offers 6 liquid channels be evenly arranged.
The present invention further improves and is: the cross section of gas phase channel and 6 liquid channels is circle.
The present invention further improves and is: the material of mixed-phase device is stainless steel.
The present invention further improves and is: the exit of nozzle is provided with stainless steel capillary.
The present invention further improves and is: described stainless steel capillary diameter range is 0.2-1.5mm.
The present invention further improves and is: liquid phase delivery pump can replace instead of measuring pump or syringe pump.
The present invention further improves and is: compressed gas cylinder can instead of syringe pump.
The present invention further improves and is: delivery line is the lucite tube of external diameter 10mm, internal diameter 4mm.
Compared to prior art, advantage of the present invention and beneficial effect are:
1) the invention provides a kind of grade pipeline that can be and provide plesiomorphism continuously and diameter is slightly less than the generating means of the shape bubble of line size; This device utilizes special mixed-phase device to make gas phase under the shear action of liquid phase, form single isolated bubbles after nozzle ejection, and Air Bubble Size regulates by Control Nozzle size and liquid/vapor flow, thus effectively solve the demand of some field to single string spherical bubbles stream, there are wide market prospects;
2) further, special mixed-phase device provided by the invention forms primarily of the relevant pore passage structure of processing on cylinder, thus has the features such as structure is simple, easy for installation.
Accompanying drawing illustrates:
Fig. 1 is Single bubble generating means system diagram.
Fig. 2 is mixed-phase device 3 D stereo schematic diagram.
Fig. 3 is the structural representation of mixed-phase device liquid/vapor input, and wherein, Fig. 3 (a) is top view, and the A-A that Fig. 3 (b) is Fig. 3 (a) is to sectional view.
Fig. 4 is the structural representation of the liquid/vapor transfer passage (containing gas phase input) of mixed-phase device, and wherein, Fig. 4 (a) is top view, and the A-A that Fig. 4 (b) is Fig. 4 (a) is to sectional view.
Fig. 5 is the structural representation of the nozzle of mixed-phase device, and wherein, Fig. 5 (a) is top view, and the A-A that Fig. 5 (b) is Fig. 5 (a) is to sectional view.
Fig. 6 is that the gentle fast bubble of different conversion liquid speed is at distribution sometime and size figure.
Detailed description of the invention:
Below in conjunction with accompanying drawing and instantiation, the present invention will be further described.It should be noted that, detailed description of the invention and related description just explain technical characteristic of the present invention further, and do not limit the scope of protection of present invention.
As shown in Figure 1, a kind of Single bubble generating means of the present invention, comprises liquid phase feed system, gas phase feed system, mixed-phase device 7 and delivery line 8; Wherein, liquid phase feed system comprises liquid phase delivery pump 1, first valve 2, second valve 3 and liquid phase stream gauge 4, and gas phase feed system comprises compressed gas cylinder 5 and gas mass flow controller 6; The outlet of liquid phase delivery pump 1 is divided into two-way, and pipeline is on the way provided with the first valve 2, and by the entrance of the second valve 3 connecting fluid multi-phase flowmeter 4 on the pipeline on another road, the outlet of liquid phase stream gauge 4 connects the liquid phase entrance of mixed-phase device 7; The outlet of compressed gas cylinder 5 connects the entrance of gas mass flow controller 6, and the outlet of gas mass flow controller 6 connects the gas phase entrance of mixed-phase device 7, and the outlet of mixed-phase device 7 connects the entrance of delivery line 8.
The principal phase of a kind of Single bubble generating means of the present invention is liquid, and phase-splitting is gas, and chemical reaction does not occur both requiring.Liquid phase delivery pump 1 export liquid phase through first valve 2 shunt after, part by the second valve 3 and through liquid phase stream gauge 4 measure after enter mixed-phase device 7.Required liquid phase flow can be obtained by the aperture controlling the first valve 2 and the second valve 3.The gas phase that compressed gas cylinder 5 exports enters mixed-phase device 7 after gas mass flow controller 6 measure control.The bubble that mixed-phase device 7 produces sends into corresponding operative installations by delivery line 8.Delivery line 8 is the lucite tube of external diameter 10mm, internal diameter 4mm.
As shown in Figure 2, mixed-phase device 7 as critical component is divided into five parts to process by Digit Control Machine Tool: liquid phase input 9, gas phase input 10, liquid/vapor transfer passage 11, nozzle 12 and bubble output 13, and liquid phase input 9, liquid/vapor transfer passage 11, nozzle 12 and bubble output 13 set gradually from left to right, gas phase input 10 is arranged in liquid/vapor transfer passage 11 circumference.Liquid phase input 9 is identical with bubble output 13 structure.Welding manner can be adopted coaxially to be fixed together between each parts of mixed-phase device 7.As shown in Figure 3, liquid phase input 9/ gas phase input 10 1 stomidium internal diameter is 10mm, and to be connected with liquid phase feed system/gas phase feed system, another stomidium internal diameter is 20mm, to be connected with gas phase and liquid phase transfer passage 11.As shown in Figure 4, gas phase and liquid phase transfer passage 11 side is processed with gas phase channel, to be connected with gas phase input 10; Axis place is also processed with gas phase channel, and internal diameter is 4mm, and outside is 10mm, can be connected with nozzle 12.As shown in Figure 4, around gas phase channel in axial direction, be circumferentially evenly arranged 6 liquid channels.As shown in Figure 5, the base diameter of nozzle 12 is 10mm, can be connected with gas phase and liquid phase transfer passage 11, and stainless steel capillary can be fixed together by welding manner with the base being processed with micro-through-hole.
Liquid phase feed system and gas phase feed system are connected with gas phase input 10 with the liquid phase input 9 of mixed-phase device 7 respectively.After gas phase sprays from the nozzle 12 of mixed-phase device 7, under the shear action of liquid phase around, formed by the isolated single string spherical bubbles stream of even in liquid phase.The bubble output 13 of mixed-phase device 7 is connected with delivery line 8.
Fig. 6 is the position distribution of bubble in delivery line 8 and size sometime under different operating mode.Implementation condition: 1) liquid phase is normal temperature and pressure deionized water, gas phase is nitrogen; 2) liquid phase delivery pump 1 adopts the centrifugal pump of southern Beng Ye company, and liquid phase stream gauge 4 adopts the mass flowmenter of YOKOGAWA company, and gas mass flow controller 6 adopts the gas mass flow controller of ALICAT Scientific company; 3) the stainless steel capillary diameter of nozzle 12 is 0.8mm; 4) delivery line 8 is the lucite tube of external diameter 10mm, internal diameter 4mm, and device end is atmospheric pressure environment.Bubble in delivery line 8 adopts the high-speed camera shooting of Olympus company, and adopts corresponding the poster processing soft to measure bubble diameter D, and result as shown in Figure 6.As can be seen from Figure 6, gained grade bubble shape is similar, is evenly distributed in pipe, and along with the increase of liquid phase flow, bubble diameter reduces.
Through the experiment of nitrogen and deionized water, show that device provided by the invention can be grade pipeline and provides plesiomorphism continuously and diameter is slightly less than the list string spherical bubbles stream of line size.Meanwhile, the key component of device provided by the invention is special mixed-phase device, but its structure is simple, handling ease.Remaining pump, valve, flowmeter etc. all have relevant standard component to use.
Claims (10)
1. a Single bubble generating means, is characterized in that: comprise liquid phase feed system, gas phase feed system, mixed-phase device (7) and delivery line (8); Wherein, liquid phase feed system comprises liquid phase delivery pump (1), the first valve (2), the second valve (3) and liquid phase stream gauge (4), and gas phase feed system comprises compressed gas cylinder (5) and gas mass flow controller (6); The outlet of liquid phase delivery pump (1) is divided into two-way, pipeline is on the way provided with the first valve (2), by the entrance of the second valve (3) connecting fluid multi-phase flowmeter (4) on the pipeline on another road, the outlet of liquid phase stream gauge (4) connects the liquid phase entrance of mixed-phase device (7); The outlet of compressed gas cylinder (5) connects the entrance of gas mass flow controller (6), the outlet of gas mass flow controller (6) connects the gas phase entrance of mixed-phase device (7), and the outlet of mixed-phase device (7) connects the entrance of delivery line (8).
2. a kind of Single bubble generating means according to claim 1, is characterized in that: mixed-phase device (7) comprises the liquid phase input (9), liquid/vapor transfer passage (11), nozzle (12) and the bubble output (13) that set gradually from left to right and the gas phase input (10) be arranged in liquid/vapor transfer passage (11) circumference; The outlet of liquid phase stream gauge (4) connects the entrance of liquid phase input (9), and the outlet of gas mass flow controller (6) connects the entrance of gas phase input (10).
3. a kind of Single bubble generating means according to claim 2, is characterized in that: the center of liquid/vapor transfer passage (11) offers gas phase channel, the circumference of gas phase channel offers 6 liquid channels be evenly arranged.
4. a kind of Single bubble generating means according to claim 3, is characterized in that: the cross section of gas phase channel and 6 liquid channels is circle.
5. a kind of Single bubble generating means according to claim 2, is characterized in that: the material of mixed-phase device (7) is stainless steel.
6. a kind of Single bubble generating means according to claim 2, is characterized in that: the exit of nozzle (12) is provided with stainless steel capillary.
7. a kind of Single bubble generating means according to claim 6, is characterized in that: described stainless steel capillary diameter range is 0.2-1.5mm.
8. a kind of Single bubble generating means according to claim 1, is characterized in that: liquid phase delivery pump (1) can replace instead of measuring pump or syringe pump.
9. a kind of Single bubble generating means according to claim 1, is characterized in that: compressed gas cylinder (5) can instead of syringe pump.
10. a kind of Single bubble generating means according to claim 1, is characterized in that: delivery line (8) is external diameter 10mm, the lucite tube of internal diameter 4mm.
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| CN201510036037.4A CN104548981B (en) | 2015-01-23 | 2015-01-23 | A kind of Single bubble generating means |
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| CN201510036037.4A CN104548981B (en) | 2015-01-23 | 2015-01-23 | A kind of Single bubble generating means |
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| CN104548981B CN104548981B (en) | 2017-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325401A (en) * | 2018-01-17 | 2018-07-27 | 天津博迈科海洋工程有限公司 | It is a kind of can be with the air and liquid mixer of quick-replaceable caliber |
| CN108535325A (en) * | 2018-04-02 | 2018-09-14 | 中国计量大学 | The friction pressure drop of two phase flow and phase content measuring device and method in microchannel |
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| CN1894022A (en) * | 2003-12-15 | 2007-01-10 | 宫崎县 | Method of forming monodisperse bubble |
| JP2007117799A (en) * | 2005-10-25 | 2007-05-17 | Goto Tekkosho:Kk | Microbubble generator and microbubble generating apparatus using the same |
| CN101298032A (en) * | 2008-01-18 | 2008-11-05 | 上海理工大学 | System for researching form of hanging water drop gas hydrate |
| CN102815799A (en) * | 2012-05-30 | 2012-12-12 | 深圳市华水环保科技有限公司 | Nanometer foam oxygen increase generator |
| CN103861488A (en) * | 2014-03-19 | 2014-06-18 | 中国船舶重工集团公司第七○二研究所 | Micro-bubble generating device |
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2015
- 2015-01-23 CN CN201510036037.4A patent/CN104548981B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1191770A (en) * | 1997-02-28 | 1998-09-02 | 陶氏化学公司 | Shear mixing apparatus and use thereof |
| CN1894022A (en) * | 2003-12-15 | 2007-01-10 | 宫崎县 | Method of forming monodisperse bubble |
| JP2007117799A (en) * | 2005-10-25 | 2007-05-17 | Goto Tekkosho:Kk | Microbubble generator and microbubble generating apparatus using the same |
| CN101298032A (en) * | 2008-01-18 | 2008-11-05 | 上海理工大学 | System for researching form of hanging water drop gas hydrate |
| CN102815799A (en) * | 2012-05-30 | 2012-12-12 | 深圳市华水环保科技有限公司 | Nanometer foam oxygen increase generator |
| CN103861488A (en) * | 2014-03-19 | 2014-06-18 | 中国船舶重工集团公司第七○二研究所 | Micro-bubble generating device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325401A (en) * | 2018-01-17 | 2018-07-27 | 天津博迈科海洋工程有限公司 | It is a kind of can be with the air and liquid mixer of quick-replaceable caliber |
| CN108535325A (en) * | 2018-04-02 | 2018-09-14 | 中国计量大学 | The friction pressure drop of two phase flow and phase content measuring device and method in microchannel |
| CN108535325B (en) * | 2018-04-02 | 2020-07-17 | 中国计量大学 | Device and method for measuring friction pressure drop and phase content of two-phase flow in micro-pipeline |
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| CN104548981B (en) | 2017-01-04 |
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