CN109734204A - A kind of adjustable river and lake oxygenation plug-flow method and device of dynamic - Google Patents
A kind of adjustable river and lake oxygenation plug-flow method and device of dynamic Download PDFInfo
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- CN109734204A CN109734204A CN201811650731.5A CN201811650731A CN109734204A CN 109734204 A CN109734204 A CN 109734204A CN 201811650731 A CN201811650731 A CN 201811650731A CN 109734204 A CN109734204 A CN 109734204A
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention discloses a kind of adjustable river and lakes of dynamic to be oxygenated plug-flow method and device, it is related to river improvement technical field.Including submersible sewage pump, ejector, micro-nano bubble generator, trunnion, fluid flowmeter, gas flowmeter and solenoid valve, submersible sewage pump is connected by the first solenoid valve with ejector, ejector is connected with trunnion, the first branch pipe and the second branch pipe are additionally provided on the trunnion, first branch pipe is connected with micro-nano bubble generator, and the second branch pipe is communicated with air；The second solenoid valve being sequentially connected and fluid flowmeter are provided on first branch pipe, fluid flowmeter is connected with micro-nano bubble generator, it is provided with the third solenoid valve being sequentially connected on second branch pipe and gas flowmeter, gas flowmeter are communicated with air.The present invention can change equipment plug-flow effect according to river and lake dissolved oxygen concentration dynamic regulation bubble density and Air Bubble Size, so as to more effectively apply in river and lake improvement in realization.
Description
Technical field
The present invention relates to river improvement technical fields, and in particular to a kind of river and lake oxygenation plug-flow method that dynamic is adjustable and
Device.
Background technique
Micro-nano bubble is mainly used in black and odorous water oxygenation, flotation waste water treatment, ozone disappear because of its unique performance advantage
The fields such as poison, medical and beauty treatment, aquaculture, the market space are wide.In river and lake improvement, micro-nano bubble, can because bubble diameter is small
It stops in water for a long time, to be effectively removed the pollutants such as the organic matter in river and lake, algae, realizes that river and lake purification is limpid.
Currently, being applied to the microbubble generation technique that river and lake is administered mainly has dispersion air method, molten gas outgassing method etc., but because
The factors such as device structure complexity, bubble formation low efficiency, flux be small restrict, it is difficult to be widely used to promote in river and lake improvement.?
In the prior art, such as: application number: the utility model patent of CN201020598518.7 discloses micro-nano plugflow aeration machine,
It includes submersible sewage pump, ejector, submersible sewage pump, jet nozzle, ejector jet pipe, air inlet pipe；It is sucked when wherein submersible sewage pump operates
Water and the jet nozzle that ejector is connected to by bellows, water flow are ejected by jet nozzle, the injection water of high speed
Drainage is formed, air and water that air inlet pipe enters are mixed into containing bladdery jet stream, the connection of ejector jet pipe exists
Ejector outlet end, and micro-nano bubble generator is connected on ejector jet pipe by micro-nano emitting bubbles pipe, from
And it generates micron order minute bubbles and enters in water.Although the utility model patent design scheme oxygen-transfer efficiency is higher, only it is useful in
Black and odorous water administers initial stage use, should not use in the water body of the mg/L of water body DO > 2, cannot achieve oxygenation and plug-flow switching can
It adjusts, energy consumption is high.
It is an object of that present invention to provide a kind of adjustable river and lakes of dynamic to be oxygenated plug-flow method and device, can be molten according to river and lake
Oxygen demand automatic adjustment bubble density and Air Bubble Size, and adjustable apparatus plug-flow effect are solved, whole device can be effectively real
It is now aerated, the function of oxygenation and plug-flow.
Summary of the invention
In view of the shortcomings of the prior art, object of the present invention is to be to provide a kind of adjustable river and lake oxygenation plug-flow of dynamic
Method and device can change equipment plug-flow effect according to river and lake dissolved oxygen concentration dynamic regulation bubble density and Air Bubble Size, from
And it can more effectively be applied in river and lake improvement in realization.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of dynamic adjustable river and lake is filled
Oxygen plug flow device, including submersible sewage pump, ejector, micro-nano bubble generator, trunnion, fluid flowmeter, gas flowmeter and electricity
Magnet valve, submersible sewage pump are connected by the first solenoid valve with ejector, and ejector is connected with trunnion, and the is additionally provided on the trunnion
One branch pipe and the second branch pipe, the first branch pipe are connected with micro-nano bubble generator, and the second branch pipe is communicated with air；Described first
The second solenoid valve being sequentially connected and fluid flowmeter, fluid flowmeter and micro-nano bubble generator phase are provided on branch pipe
Even, the third solenoid valve and gas flowmeter being sequentially connected, gas flowmeter and air phase are provided on second branch pipe
It is logical.
Preferably, the trunnion is arranged at trunnion port 1/4.
A kind of adjustable river and lake oxygenation plug-flow method of dynamic:
When serious black smelly state is presented in river and lake severe depletion of oxygen, submersible sewage pump operating sucking water is communicated to ejector by pipeline and enters
At mouthful, it is in negative pressure state that it is minimum, which to reach maximum water body static pressure, for flow rate of liquid flow velocity at trunnion, closes third solenoid valve at this time and opens
Micro-nano bubble generator is opened, the air-bubble generated by micro-nano bubble generator is sucked by the first branch pipe of trunnion.Two kinds
After fluid is sufficiently mixed, it is broken into the smaller micro-nano bubble of partial size again by waterpower Impulse in ejector diffuser,
And the flux of micro-nano bubble rises to 10~50 times of micro-nano bubble generator.This process mainly realizes oxygenation function.
When in the water body of the mg/L of DO > 2, submersible sewage pump operating sucking water is communicated to ejector entrance by pipeline in river and lake
Place, it is minimum in negative pressure state, at this time unlatching third solenoid valve closing that flow rate of liquid flow velocity at trunnion reaches maximum water body static pressure
Micro-nano bubble generator sucks gas by the second branch pipe of trunnion.The gas sucked at trunnion, with submersible sewage pump sucking
Liquid, separated and dissolved forms air pocket at trunnion, and hydraulic shear occurs in ejector diffuser inlet and is crushed, forms micron
Bubble.This process adjusts gas flow on the second branch pipe as needed, changes bubble density and Air Bubble Size, realize plug-flow and
It is oxygenated alternation state.
Preferably, the ejector inlet flow rate and the first branch pipe flow-rate ratio are as follows: between 10:1~50:1.
Preferably, the micro-nano air-bubble in the first branch pipe is quiet to guarantee that fragmentation preferably occurs for two kinds of fluids
Pressure needs bigger than ejector diffuser water body static pressure.
Influence of the cavitation to trunnion is collided at interface to reduce by two kinds of fluids, water body static pressure needs at the trunnion
: -0.01Mpa~-0.1Mpa.
The invention has the following advantages:
1. the present invention by the way that the first branch pipe and the second branch pipe are arranged on trunnion, can administer different phase different demands according to river and lake
Regulation enters the fluid media (medium) in trunnion, realizes quickly oxygenation and plug-flow function.
2. the present invention has coupled two kinds of equipment of ejector and micro-nano bubble generator, initial stage is administered in the serious anaerobism of river and lake
When, by the way that micro-nano bubble generator water outlet to be connected on ejector trunnion, micro-nano bubble can be generated with high throughput, from
And be quickly oxygenated into water, change the black smelly situation of river and lake, the existing micro-nano bubble generator flux of solution is low and ejector generates
The big problem of bubble size.
3. the present invention by the way that the second branch pipe of air inlet is arranged on trunnion, in the mg/L of river and lake DO > 0.5, closes the first branch pipe,
The gas flow on the second branch pipe is adjusted, holding gas liquid ratio is 1:400 ~ 1:700, reduces bubble size to the maximum extent, improves
Bubble density realizes river and lake oxygenation, saves equipment operating cost.
4. the present invention by the way that the second branch pipe of air inlet is arranged on trunnion, in the mg/L of river and lake DO > 2.0, closes the first branch pipe,
The gas flow on the second branch pipe is adjusted, holding gas liquid ratio is 1:100~1:200, reduces fluid energy loss in ejector
Momentum of impinging jet is improved, realizes plug-flow function, energy saving.
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments；
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Referring to Fig.1, present embodiment uses following technical scheme: a kind of adjustable river and lake oxygenation plug flow device of dynamic,
Including submersible sewage pump 1, ejector 2, micro-nano bubble generator 3, trunnion 4, fluid flowmeter 5, gas flowmeter 6 and solenoid valve,
Submersible sewage pump 1 is connected by the first solenoid valve 7-1 with ejector 2, and ejector 2 is connected with trunnion 4, also sets up on the trunnion 4
There are the first branch pipe 4-1 and the second branch pipe 4-2, the first branch pipe 4-1 is connected with micro-nano bubble generator 3, the second branch pipe 4-2 and empty
Gas phase is logical；The second solenoid valve 7-2 and fluid flowmeter 5 being sequentially connected, fluid flow are provided on the first branch pipe 4-1
Meter 5 is connected with micro-nano bubble generator 3, be provided on the second branch pipe 4-2 third solenoid valve 7-3 that is sequentially connected with
Gas flowmeter 6, gas flowmeter 6 are communicated with air.
The trunnion 4 is arranged at trunnion port 1/4.
A kind of adjustable river and lake oxygenation plug-flow method of dynamic:
When serious black smelly state is presented in river and lake severe depletion of oxygen, submersible sewage pump operating sucking water is communicated to ejector by pipeline and enters
At mouthful, it is in negative pressure state that it is minimum, which to reach maximum water body static pressure, for flow rate of liquid flow velocity at trunnion, closes third solenoid valve at this time and opens
Micro-nano bubble generator is opened, the air-bubble generated by micro-nano bubble generator is sucked by the first branch pipe of trunnion.Two kinds
After fluid is sufficiently mixed, it is broken into the smaller micro-nano bubble of partial size again by waterpower Impulse in ejector diffuser,
And the flux of micro-nano bubble rises to 10~50 times of micro-nano bubble generator.This process mainly realizes oxygenation function.
When in the water body of the mg/L of DO > 2, submersible sewage pump operating sucking water is communicated to ejector entrance by pipeline in river and lake
Place, it is minimum in negative pressure state, at this time unlatching third solenoid valve closing that flow rate of liquid flow velocity at trunnion reaches maximum water body static pressure
Micro-nano bubble generator sucks gas by the second branch pipe of trunnion.The gas sucked at trunnion, with submersible sewage pump sucking
Liquid, separated and dissolved forms air pocket at trunnion, and hydraulic shear occurs in ejector diffuser inlet and is crushed, forms micron
Bubble.This process adjusts gas flow on the second branch pipe as needed, changes bubble density and Air Bubble Size, realize plug-flow and
It is oxygenated alternation state.
2 inlet flow rate of ejector and the first branch pipe flow-rate ratio are as follows: between 10:1~50:1.
To guarantee that fragmentation preferably occurs for two kinds of fluids, the micro-nano bubble hydrostatic in the first branch pipe 4-1 needs
It is bigger than ejector diffuser water body static pressure.
Influence of the cavitation to trunnion is collided at interface to reduce by two kinds of fluids, water body static pressure needs at the trunnion
: -0.01Mpa~-0.1Mpa.
The device of present embodiment is controlled in the serious anaerobism of river and lake in use, ejector water inlet is connected with submersible sewage pump
When reason initial stage, by the way that micro-nano bubble generator water outlet is connected on the first branch pipe of ejector trunnion, high-throughput real estate
Raw micro-nano bubble changes the black smelly situation of river and lake to rapidly be oxygenated into water.In the mg/L of river and lake DO > 0.5, first is closed
Branch pipe opens the second branch pipe, adjusts the gas flow on the second branch pipe, and holding gas liquid ratio is 1:400~1:700, to greatest extent
Ground reduces bubble size, improves bubble density, realizes river and lake oxygenation, and save equipment operating cost.In the mg/ of river and lake DO > 2.0
L closes the first branch pipe, opens the second branch pipe, adjusts the gas flow on the second branch pipe, and holding gas liquid ratio is 1:100~1:
200, it reduces fluid energy loss in ejector and improves momentum of impinging jet, realize plug-flow function, energy saving.
A kind of double synchronous micro-nano oxygenation plug-flow method and devices of binary channels provided in an embodiment of the present invention, structure design letter
It is individually special, can synchronize realize efficient oxygenic aeration, plug-flow function with can synchronous realizations to reduce micro-nano bubble size, raising micro-
The function of nano bubble flux.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of adjustable river and lake of dynamic is oxygenated plug flow device, which is characterized in that including latent dirty (1), ejector (2), micro-nano gas
Generator (3), trunnion (4), fluid flowmeter (5), gas flowmeter (6) and solenoid valve are steeped, submersible sewage pump (1) passes through the first electromagnetism
Valve (7-1) is connected with ejector (2), and ejector (2) is connected with trunnion (4), and the trunnion is additionally provided with the first branch pipe on (4)
(4-1) and the second branch pipe (4-2), the first branch pipe (4-1) are connected with micro-nano bubble generator (3), the second branch pipe (4-2) and sky
Gas phase is logical；The second solenoid valve (7-2) being sequentially connected and fluid flowmeter (5), liquid are provided on first branch pipe (4-1)
Flowmeter body (5) is connected with micro-nano bubble generator (3), and be sequentially connected is provided on second branch pipe (4-2)
Three solenoid valves (7-3) and gas flowmeter (6), gas flowmeter (6) are communicated with air.
2. the adjustable river and lake of a kind of dynamic according to claim 1 is oxygenated plug flow device, which is characterized in that the trunnion
(4) branch pipe is arranged at trunnion port 1/4.
3. the adjustable river and lake of a kind of dynamic according to claim 1 is oxygenated plug-flow method, which is characterized in that including following step
It is rapid:
When serious black smelly state is presented in river and lake severe depletion of oxygen, submersible sewage pump operating sucking water is communicated to ejector by pipeline and enters
At mouthful, it is in negative pressure state that it is minimum, which to reach maximum water body static pressure, for flow rate of liquid flow velocity at trunnion, closes third solenoid valve at this time and opens
Micro-nano bubble generator is opened, the air-bubble generated by micro-nano bubble generator is sucked by the first branch pipe of trunnion；Two kinds
After fluid is sufficiently mixed, it is broken into the smaller micro-nano bubble of partial size again by waterpower Impulse in ejector diffuser,
And the flux of micro-nano bubble rises to 10~50 times of micro-nano bubble generator；This process mainly realizes oxygenation function；
When in the water body of the mg/L of DO > 2, submersible sewage pump operating sucking water is communicated to ejector inlet, liquid by pipeline in river and lake
It is in negative pressure state that it is minimum, which to reach maximum water body static pressure, for body flow velocity flow velocity at trunnion, and it is micro-nano to open the closing of third solenoid valve at this time
Bubble generator sucks gas by the second branch pipe of trunnion；The gas sucked at trunnion, the liquid with submersible sewage pump sucking,
Separated and dissolved forms air pocket at trunnion, and hydraulic shear occurs in ejector diffuser inlet and is crushed, forms micron bubble；
This process adjusts gas flow on the second branch pipe as needed, changes bubble density and Air Bubble Size, realizes that plug-flow and oxygenation are handed over
For working condition.
4. the adjustable river and lake of a kind of dynamic according to claim 3 is oxygenated plug-flow method, which is characterized in that the ejector
Inlet flow rate and the first branch pipe flow-rate ratio are as follows: between 10:1~50:1.
5. the adjustable river and lake of a kind of dynamic according to claim 3 is oxygenated plug-flow method, which is characterized in that described first
Micro-nano bubble hydrostatic in pipe needs bigger than ejector diffuser water body static pressure.
6. the adjustable river and lake of a kind of dynamic according to claim 3 is oxygenated plug-flow method, which is characterized in that at the trunnion
Water body static pressure need to be: -0.01Mpa~-0.1Mpa.
7. the adjustable river and lake of a kind of dynamic according to claim 3 is oxygenated plug-flow method, which is characterized in that the ejector
Water inlet is connected with submersible sewage pump, when the serious anaerobism of river and lake administers initial stage, by connecting micro-nano bubble generator water outlet
On the first branch pipe of ejector trunnion, micro-nano bubble is generated with high throughput, to rapidly be oxygenated into water, changes river and lake
Black smelly situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650731.5A CN109734204A (en) | 2018-12-31 | 2018-12-31 | A kind of adjustable river and lake oxygenation plug-flow method and device of dynamic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650731.5A CN109734204A (en) | 2018-12-31 | 2018-12-31 | A kind of adjustable river and lake oxygenation plug-flow method and device of dynamic |
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| CN109734204A true CN109734204A (en) | 2019-05-10 |
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| CN201811650731.5A Pending CN109734204A (en) | 2018-12-31 | 2018-12-31 | A kind of adjustable river and lake oxygenation plug-flow method and device of dynamic |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240288A (en) * | 2019-07-15 | 2019-09-17 | 沁济（上海）环境科技有限公司 | biological nanometer aeration system |
| CN111792740A (en) * | 2020-08-12 | 2020-10-20 | 福州水研环境科技有限公司 | High-concentration organic wastewater treatment device and treatment method |
| CN114506915A (en) * | 2021-12-20 | 2022-05-17 | 中交上海航道局有限公司 | Superoxide nanobubble water quality lifting system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202030576U (en) * | 2010-11-10 | 2011-11-09 | 北京英特环科水处理工程设备有限公司 | Micro-nano plugflow aeration machine |
| CN207957920U (en) * | 2017-12-27 | 2018-10-12 | 天津市雷鸣生态科技有限公司 | A kind of floatation type nanometer microbubble river and lake sewage-treatment plant |
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2018
- 2018-12-31 CN CN201811650731.5A patent/CN109734204A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202030576U (en) * | 2010-11-10 | 2011-11-09 | 北京英特环科水处理工程设备有限公司 | Micro-nano plugflow aeration machine |
| CN207957920U (en) * | 2017-12-27 | 2018-10-12 | 天津市雷鸣生态科技有限公司 | A kind of floatation type nanometer microbubble river and lake sewage-treatment plant |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240288A (en) * | 2019-07-15 | 2019-09-17 | 沁济（上海）环境科技有限公司 | biological nanometer aeration system |
| CN111792740A (en) * | 2020-08-12 | 2020-10-20 | 福州水研环境科技有限公司 | High-concentration organic wastewater treatment device and treatment method |
| CN111792740B (en) * | 2020-08-12 | 2024-05-03 | 福州水研环境科技有限公司 | High-concentration organic wastewater treatment device and treatment method |
| CN114506915A (en) * | 2021-12-20 | 2022-05-17 | 中交上海航道局有限公司 | Superoxide nanobubble water quality lifting system |
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