CN109876684A - A kind of nano-bubble generating apparatus of laboratory controllable grain size - Google Patents
A kind of nano-bubble generating apparatus of laboratory controllable grain size Download PDFInfo
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- CN109876684A CN109876684A CN201910222910.7A CN201910222910A CN109876684A CN 109876684 A CN109876684 A CN 109876684A CN 201910222910 A CN201910222910 A CN 201910222910A CN 109876684 A CN109876684 A CN 109876684A
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Abstract
A kind of nano-bubble generating apparatus of laboratory controllable grain size, belongs to micro-nano bubble Applied research fields.Technical solution is as follows: including: main body bubble generator membrane module system, gas handling system, vacuum-pumping system, circulation water inlet system；In main body bubble generator membrane module, ceramic membrane filter core forms inside and outside two parts chamber by the fixed film interior of shell of axial sealing ring, and membrane module shell top both-side opening connects gas handling system, and ceramic membrane filter core is equipped with nano porous ceramics film；Beneficial effect is: the present invention is membrane separator using nano-porous ceramic material, the distribution of its aperture size is controllable, it is conveniently replaceable, be conducive to study nano bubble mechanism of production under laboratory condition and meet different experiments demand, uninterrupted and gas with various type, grain diameter nano bubble including generation, a certain concentration and the nano bubble of uniform particle sizes can be generated, existing nano-bubble generator is solved and generates that bubble size is uncontrollable, is easy the problems such as contaminated.
Description
Technical field
The invention belongs to micro-nano bubble Applied research fields more particularly to a kind of nanometers of laboratory controllable grain size
Bubble generator.
Background technique
Micro-nano bubble generator is applied to aquaculture, environmental protection, medical treatment, beverage, river and lake oxygenation, bathing, agricultural, work
The fields such as industry, health, medical treatment, electrolysis, ship, application range are very extensive.Improve fisheries water or seabed anaerobic environment；It can use
Make the tube cleaning arrangement of the facilities such as hot spring, household and commercial foam maker in hot spring or beauty parlor；In river regulation
Cheng Zhong, since bubble diameter is small, it can be stopped in water for a long time, with the migration of water (flow) direction, keep river Nei Shui
Dissolved oxygen in longer section is abundant, the micro-nano bubble with electrostatic can bubble to polluted river channel water body and coloration have
Significant scavenging effect effectively inhibits and kills to influence the microbial algals such as water quality transparent green alga, diatom, cyanobacteria, sees water body
Get up nature, limpid.It can be also used for soilless cultivation, sewage treatment facility, cosmetics, shower etc..Due to micro-nano bubble
Its broad application prospect has caused domestic and foreign scholars and enterprise widely to pay close attention to.The case where from micro-nano bubble practical application
It sees, two microcosmic direction value are obtained and further studied.First is that the energy that the microbubble for being loaded into gas with various is crumbled and fall degrades to water pollution
Or the forward positions such as sterilization research.Ozone microbubble degradation trade effluent achieves noticeable achievement.Second is that micro-nano bubble is to the micro- life of activation
The forward position of object is studied, and could make aerobic microbiological increased activity, and agricultural rice volume increase breeds fish and increases production that quality is good, and mechanism is worth
Further research and probe.Therefore it is badly in need of a kind of controllable grain size in laboratory research for its theoretical research, design is convenient, structure letter
Single nano-bubble generator.
Current existing micro-nano bubble generator generallys use the working method of aeration, and structure is complicated, and cost is high, flow
Size and particle size are uncontrollable, and nano bubble concentration and partial size are uneven.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the present invention proposes a kind of laboratory controllable grain size nano bubble
Generating apparatus, the device are membrane separator using nano-porous ceramic material, and aperture size distribution is controllable, are conveniently replaceable,
Be conducive to study under laboratory condition and nano bubble mechanism of production and meet different experiments demand, uninterrupted including generation and
Gas with various type, grain diameter nano bubble can generate a certain concentration and the nano bubble of uniform particle sizes, solve existing receive
Rice bubble generator generation bubble size is uncontrollable, is easy the problems such as contaminated.
Technical solution is as follows:
A kind of nano-bubble generating apparatus of laboratory controllable grain size, comprising: main body bubble generator membrane module system, into
Gas system, vacuum-pumping system, circulation water inlet system；
The main body bubble generator membrane module system includes: membrane module shell, ceramic membrane filter core, axial sealing ring, institute
Ceramic membrane filter core is stated by the fixed film interior of shell of axial sealing ring, forms inside and outside two parts chamber, in the membrane module shell
Portion's both-side opening connects the gas handling system, and the ceramic membrane filter core is equipped with nano porous ceramics film；
The gas handling system includes: pressure gauge, gas injection control valve, gas injection pipeline, high-pressure plunger pump, the high-pressure plunger
Pump is connect by the gas injection pipeline with the main body bubble generator membrane module system, and the pressure is arranged in the air injection pipe road
Power table and gas injection control valve；
The vacuum-pumping system includes: vacuum suction pipeline, pumping control valve, vacuum pump, and the vacuum pump passes through
The vacuum suction pipeline is connect with the main body bubble generator membrane module system, described in the setting of the vacuum exhaust pipe road
It is evacuated control valve；
The circulation water inlet system includes: water injecting pipeline, water filling inlet valve, suction pump, reservoir, filling outlet valve
Door, sampling control valve, sampling bottle, sampling line, outlet pipeline, the suction pump are placed in the reservoir, the pumping
Water pump is connect by the water injecting pipeline with the water inlet of the main body bubble generator membrane module system, on the water injecting pipeline
The water filling inlet valve is set, and the water outlet of the main body bubble generator membrane module system is taken by sampling line with described
Sample bottle connects, and the sampling control valve is arranged on the sampling line, and the main body bubble generator membrane module system goes out
The mouth of a river is connect by outlet pipeline with the reservoir, and the filling outlet valve is arranged on the outlet pipeline.
Further, the nano aperture of the nano porous ceramics film is 10-1000nm.
Further, the suction pump is the type immersible pump that draws water.
The beneficial effects of the present invention are:
Controllable grain size nano-bubble generator device in laboratory of the present invention is film using nano-porous ceramic material
Separator, aperture size distribution is controllable, is conveniently replaceable, and is conducive to study nano bubble mechanism of production under laboratory condition and expire
Sufficient different experiments demand, uninterrupted and gas with various type, grain diameter nano bubble including generation, can generate a certain concentration
And it is uncontrollable, easy to be contaminated to solve existing nano-bubble generator generation bubble size for the nano bubble of uniform particle sizes
Etc. problems.
Detailed description of the invention
Fig. 1 is apparatus of the present invention system connection schematic diagram；
Appended drawing reference is as follows in figure: 1- vacuum suction pipeline；2- is evacuated control valve 3- pressure gauge；4- gas injection control valve
Door；5- gas injection pipeline；6- high-pressure plunger pump；7- vacuum pump；8- water injecting pipeline；9- water filling inlet valve；10- membrane module shell；
11- suction pump；12- reservoir；13- ceramic membrane filter core；14- axial sealing ring；15- filling outlet valve；16- samples control valve
Door；17- sampling bottle；18- sampling line；19- outlet pipeline.
Specific embodiment
1 pair of nano-bubble generating apparatus for doing laboratory controllable grain size further illustrates with reference to the accompanying drawing.
A kind of nano-bubble generating apparatus of laboratory controllable grain size, including main body bubble generator membrane module system and into
Gas system, vacuum-pumping system, circulation water inlet system；
The main body bubble generator membrane module system includes ceramic membrane filter core 13 and membrane module shell 10；The ceramic membrane
Filter core 13 is by forming inside and outside two parts chamber inside the fixed membrane module shell 10 of gasket seal 14；In the membrane module shell 10
Portion's both-side opening connects gas handling system；
The gas handling system includes the gas injection pipeline 5 of high-pressure plunger pump 6, connection, gas injection control valve 4 and pressure gauge 3 with
10 import of membrane module shell is connected；
The vacuum-pumping system be set to gas handling system bypass on, including vacuum pump 7 be connected to vacuum suction pipeline 1 and
It is evacuated control valve 2, tests initial channel interior one-component gas purity for controlling；
The circulation water inlet system is connected with 10 internal chamber of membrane module shell, including the type immersible pump that draws water: for real
Test the supply of channel interior recirculated water；Reservoir 12: water source needed for providing experiment by water filling inlet valve 9 and fills the water out
The mouth control inlet and outlet flow of valve 15, sampling bottle 17 and sampling control valve 16 are used for the sampling of nano bubble size in mixed liquor
And measurement；
Charge velocity and pressure control of the gas injection system mesohigh plunger pump 6 using high-precision flow control gas,
Injection pressure can trace regulation generation bubble flow and size；The pressure gauge 3 is used for detection gas chamber interior pressure, with
Prevent hypertonia from ceramic membrane being caused to destroy.
Ceramic membrane filter core 13 is equipped with nano porous ceramics film, the nano ceramics film include different nano apertures (100,
200,500,800,1000nm) Dimension Types being distributed, it is replaceable, convenient for generating the nano bubble of different particle size distribution size.
The circulation is sustainable constantly to be recycled, and circulation can increase aqueous solution nano bubble content every time.
The suction pump 11 is pumped using submerged type, and flow can be controlled in 0-10L/min；
High-pressure plunger pump 6 and pressure gauge 3 accurately control ceramic membrane outer wall air chamber room pressure range 0-1000Kpa,
Pressure difference needed for guaranteeing experiment generation nano bubble, while avoiding the excessive damage ceramic membrane of pressure.
Using above-mentioned laboratory controllable grain size nano-bubble generator device, using steps are as follows:
The first step, experiment pipeline vacuum maintains, by closing gas injection control valve 4, water filling inlet valve 9, filling outlet
Valve 15, sampling control valve 16, and open vacuum exhaust pipe road pumping control valve 2；It is real by 7 power supply opening of vacuum pump
It tests setting 0.1bar pressure to vacuumize, continues 30min.
Second step, 6 gas injection of high-pressure plunger pump and pressure maintain；
Pumping control valve 2 and 7 power supply of vacuum pump are closed, constant pressure P (100Kpa- is arranged by high-pressure plunger pump 6
500Kpa), it opens gas injection control valve 4 and gas injection is provided, maintain gas cavity pressure outside ceramic membrane；
Third step, recirculated water injection；
The ultrapure water of free from admixture is added first into reservoir 12, liquid level flooded the type immersible pump that draws water, opening fill the water into
Mouth valve 9, filling outlet valve 15, begin to turn on the type immersible pump power switch that draws water at this time, and recirculated water flow of inlet water Q is arranged
(1-10L/min) adjusts flow of inlet water needed for testing.Guarantee that aqueous position is consistently higher than the type immersible pump that draws water.
4th step, nanobubble water sample detection.
It waits experiment circulation to carry out 1h, is sampled bottle using sampling control valve 16 and samples, sample can carry out laser grain
Spend instrument measurement partial size and concentration；
5th step, experiment finish, and close the type diving pumping source that draws water, 6 pressure pressure release of high-pressure plunger pump to atmospheric pressure.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (3)
1. a kind of nano-bubble generating apparatus of laboratory controllable grain size characterized by comprising main body bubble generator film group
Part system, gas handling system, vacuum-pumping system, circulation water inlet system；
The main body bubble generator membrane module system includes: membrane module shell (10), ceramic membrane filter core (13), axial sealing ring
(14), the ceramic membrane filter core (13) forms inside and outside two parts chamber, institute by axial sealing ring (14) fixed film interior of shell
It states membrane module shell (10) top both-side opening and connects the gas handling system, the ceramic membrane filter core (13) is equipped with nanometer micropore
Ceramic membrane；
The gas handling system includes: pressure gauge (3), gas injection control valve (4), gas injection pipeline (5), high-pressure plunger pump (6), described
High-pressure plunger pump (6) is connect by the gas injection pipeline (5) with the main body bubble generator membrane module system, the air injection pipe
The pressure gauge (3) and gas injection control valve (4) are set on road (5)；
The vacuum-pumping system includes: vacuum suction pipeline (1), pumping control valve (2), vacuum pump (7), the vacuum pump
(7) it is connect by the vacuum suction pipeline (1) with the main body bubble generator membrane module system, the vacuum suction pipeline
(1) the pumping control valve (2) is set on；
The circulation water inlet system includes: water injecting pipeline (8), water filling inlet valve (9), suction pump (11), reservoir (12), note
Water out valve (15), sampling control valve (16), sampling bottle (17), sampling line (18), outlet pipeline (19), it is described to draw water
Pump (11) is placed in the reservoir (12), and the suction pump (11) passes through the water injecting pipeline (8) and the main body bubble
The water inlet of generator membrane module system connects, and the water filling inlet valve (9), the master is arranged on the water injecting pipeline (8)
The water outlet of body bubble generator membrane module system is connect by sampling line (18) with the sampling bottle (17), the probe tube
The sampling control valve (16) is set on road (18), and the water outlet of the main body bubble generator membrane module system passes through water outlet
Pipeline (19) is connect with the reservoir (12), and the filling outlet valve (15) is arranged on the outlet pipeline (19).
2. the nano-bubble generating apparatus of laboratory controllable grain size as described in claim 1, which is characterized in that the nanometer is micro-
The nano aperture of hole ceramic membrane is 10-1000nm.
3. the nano-bubble generating apparatus of laboratory controllable grain size as described in claim 1, which is characterized in that the suction pump
It (11) is the type immersible pump that draws water.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877294A (en) * | 2019-12-06 | 2020-03-13 | 南京尚吉增材制造研究院有限公司 | High-negative-pressure micro-nano bubble enhanced abrasive flow cavitation polishing device and method |
| CN110948398A (en) * | 2019-12-06 | 2020-04-03 | 南京尚吉增材制造研究院有限公司 | Ultrasonic-assisted cavitation abrasive flow finishing method for titanium alloy surface oxide layer |
| CN111729523A (en) * | 2020-06-16 | 2020-10-02 | 上海交通大学 | Method for generating nano bubbles with uniform and controllable particle size |
| CN112661278A (en) * | 2020-11-18 | 2021-04-16 | 江苏大学 | Micro-nano bubble generator with adjustable bubble particle size and adjusting method |
| CN112691562A (en) * | 2021-01-13 | 2021-04-23 | 南京尚吉增材制造研究院有限公司 | Micro-nano-scale gas-liquid mixing preparation device and preparation method of micro-nano-scale bubbles |
| CN114855218A (en) * | 2022-05-23 | 2022-08-05 | 南京理工大学 | Electrochemical reactor based on micro-nano bubble assistance |
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| CN104888636A (en) * | 2015-05-28 | 2015-09-09 | 中国石油化工股份有限公司 | Micro-nano bubble generation device and sewage purification system |
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| CN108778475A (en) * | 2016-03-11 | 2018-11-09 | 莫雷尔股份有限公司 | Composition containing nano bubble in a liquid carrier |
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| US3633884A (en) * | 1970-08-03 | 1972-01-11 | Sanders Associates Inc | Apparatus for reoxygenating a body of water |
| CN104888636A (en) * | 2015-05-28 | 2015-09-09 | 中国石油化工股份有限公司 | Micro-nano bubble generation device and sewage purification system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877294A (en) * | 2019-12-06 | 2020-03-13 | 南京尚吉增材制造研究院有限公司 | High-negative-pressure micro-nano bubble enhanced abrasive flow cavitation polishing device and method |
| CN110948398A (en) * | 2019-12-06 | 2020-04-03 | 南京尚吉增材制造研究院有限公司 | Ultrasonic-assisted cavitation abrasive flow finishing method for titanium alloy surface oxide layer |
| CN110948398B (en) * | 2019-12-06 | 2020-12-18 | 南京尚吉增材制造研究院有限公司 | Ultrasonic-assisted cavitation abrasive flow finishing method for titanium alloy surface oxide layer |
| CN111729523A (en) * | 2020-06-16 | 2020-10-02 | 上海交通大学 | Method for generating nano bubbles with uniform and controllable particle size |
| CN111729523B (en) * | 2020-06-16 | 2022-03-15 | 上海交通大学 | Method for generating nano bubbles with uniform and controllable particle size |
| CN112661278A (en) * | 2020-11-18 | 2021-04-16 | 江苏大学 | Micro-nano bubble generator with adjustable bubble particle size and adjusting method |
| CN112691562A (en) * | 2021-01-13 | 2021-04-23 | 南京尚吉增材制造研究院有限公司 | Micro-nano-scale gas-liquid mixing preparation device and preparation method of micro-nano-scale bubbles |
| CN112691562B (en) * | 2021-01-13 | 2022-03-25 | 南京尚吉增材制造研究院有限公司 | Micro-nano-scale gas-liquid mixing preparation device and preparation method of micro-nano-scale bubbles |
| CN114855218A (en) * | 2022-05-23 | 2022-08-05 | 南京理工大学 | Electrochemical reactor based on micro-nano bubble assistance |
| CN114855218B (en) * | 2022-05-23 | 2024-02-20 | 南京理工大学 | Electrochemical reactor based on micro-nano bubble assistance |
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Application publication date: 20190614 |