CN208038141U - A kind of micro-nano oxygen increasing equipment - Google Patents
A kind of micro-nano oxygen increasing equipment Download PDFInfo
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- CN208038141U CN208038141U CN201721807210.7U CN201721807210U CN208038141U CN 208038141 U CN208038141 U CN 208038141U CN 201721807210 U CN201721807210 U CN 201721807210U CN 208038141 U CN208038141 U CN 208038141U
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- dissolving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a kind of micro-nano oxygen increasing equipments, include current divider, at least one dissolving and double entry pump successively from top to bottom;Air inlet is arranged in the water inlet end of the double entry pump, and double suction pump steam inlet is connected to by air inlet pipe with outside atmosphere;The water inlet of the current divider and the water outlet of double entry pump connect;The splitter overhead is equipped with several water outlets, and each current divider water outlet is connected by the water inlet of dissolving with dissolving;The water inlet of the dissolving and dissolving are internally provided at least one set of turbulence blades;Dissolving bottom is equipped with water outlet, and the liquid in dissolving is discharged into water body through water outlet.The device of the utility model can generate the micro-nano bubble of uniform high density and promote dissolved oxygen.
Description
Technical field
The utility model is related to a kind of micro-nano oxygen increasing equipments.
Background technology
China's per capita water resource occupy total amount is few, imbalance between supply and demand is prominent, dystrophication, fragile aquatic ecosystem the problems such as ratio
It is more prominent.The continuous aggravation of the increasingly deficient and water pollution of water resource has become the weight for restricting Chinese society sustainable economic development
" bottleneck " problem greatly.
Due to the aggravation of mankind's activity, industry, agricultural and sanitary sewage are discharged into and increase, and the dilution and purification function of river and lake is big
To weaken.Especially current, perhaps great city and industrial area and city are built upon riverfront or lakeside area, a large amount of useless
Water is unprocessed to enter water body, has exceeded the self-cleaning boundary of water body, accumulation of pollutants cannot effectively degrade, cause in water
Most river is in different degrees of eutrophic state with lake.Carry out the protection of river and lake aquatic ecosystem and repair, cuts
It is real improve water environment and aquatic ecosystem present situation be socio-economic development and improvement of the ecological environment there is an urgent need to.
CN202116385U discloses a kind of oxygenation circulation water activating machine being made of convector and aerator, mainly passes through height
The gas-vapor mix liquid of speed convolution generates superfine air bubble, then passes through motor combination gear, the agitating device mixing that blade is formed
It is spread in backward water, but the fine gas bubbles that generate by level-one convolution of this kind are there are the low deficiency of dissolved-air rate, and motor and tooth
The deceleration agitating device energy consumption of wheel composition is big, short life, and long term maintenance cost is higher.CN106315882A discloses one kind by water
Collection funnel, diversion pipe and plug-flow pump group at laminar flow switch type oxygenation running water machine, by mounted on water-bed plug-flow pump by table
Layer water is pumped to bottom, and then realizes oxygenation purpose, but this kind of method oxygenation limited efficacy.CN206213034U discloses one kind
The oxygenation running water machine being made of motor, impeller and wheel disc, this kind of method generate ripple in water by motor driven impeller rotation
Method to water oxygenation, but this kind of method cannot be to swallow oxygenation, oxygenation effect unobvious.CN106365333A is disclosed
A kind of full-automatic water processing equipment by Driven by Solar Energy, under the hydraulic Lift of the equipment aqueduct impeller may be implemented water
The stereo circulating of body, but the device promotes water circulation to take relatively long since therefore power is relatively low using Driven by Solar Energy, and
Solar powered mode reliability is affected by weather.CN102219315A discloses a kind of by water pump, accumulator and wide seam
The micro-nano oxygenate apparatus of gap sprinkler composition, the device form the cutting of gas and liquid mixture by water pump blade, nozzle fine
Bubble, but the gas and liquid mixture entered in accumulator only passes through the cutting of impeller blade, not uniform enough the therefore dissolved oxygen of bubble
Limited efficacy.CN102001719B discloses a kind of device generating micro-nano bubble by nanopore device, but this by micro-
The bubble uniformity that aperture apparatus generates is insufficient, and there is the shortcomings of manufacture high precision machining, be easy to block.CN203212385U
A kind of micro-nano aerator of the spiral-flow type by Driven by Solar Energy is disclosed, which drives air mixed using high speed rotation flow
It closes, but the molten gas of this method is less efficient, can not form supersaturated solution.CN205575786U discloses a kind of jetting type micro-nano
Rice aerating system, the device there are runner designs it is complicated, installation procedure is cumbersome the deficiencies of.CN204981362U is disclosed by self-priming
The micro-nano aeration oxygenator of pump, gas-liquid mixture fluid pipe and micro-nano generator composition, the device are high by mixing wastewater with air liquid
Decompression release forms micro-nano bubble after speed convolution, but this method air inlet is set in air and liquid mixer, is caused in mixer
The smaller dissolved gas of pressure is limited.CN206407964U disclose it is a kind of be made of immersible pump and injector it is floated micro-nano
Aerator, the device work when injector in formed negative pressure draw air into, gas and liquid mixture is sprayed later to be formed it is fine
Bubble, this kind of method equally exist the lower deficiency of molten tolerance.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art to carry for the process problem of the water bodys such as eutrophication
Go out a kind of micro-nano oxygen increasing equipment.
To realize the above-mentioned technical purpose, the utility model adopts the following technical solution:
A kind of micro-nano oxygen increasing equipment includes current divider, at least one dissolving and double entry pump successively from top to bottom;It is described
Air inlet is arranged in the water inlet end of double entry pump, and double suction pump steam inlet is connected to by air inlet pipe with outside atmosphere;The current divider
Water inlet and double entry pump water outlet connect;The splitter overhead is equipped with several water outlets, and each current divider water outlet is logical
The water inlet for crossing dissolving is connected with dissolving;The water inlet of the dissolving and dissolving are internally provided at least one set and disturb
Flow blade;Dissolving bottom is equipped with water outlet, and the liquid in dissolving is discharged into water body through water outlet.
Gas enters through air inlet pipe in double entry pump in the utility model, and first order cutting is carried out through the blade in double entry pump,
At least one set of turbulence blades are set inside the water inlet of dissolving and dissolving, i.e., in the water inlet of dissolving or molten gas
Setting turbulence blades carry out second level cutting inside tank, or are respectively provided with flow perturbation fan inside the water inlet of dissolving and dissolving
Piece carries out the second level and third level cutting, and bubble soluble in water can be made uniformly to be cut to micro-nano rank, promote dissolved oxygen.
Venturi tube, the liquid in dissolving are installed in dissolving water outlet position as a further improvement of the utility model,
Body is discharged into water body from water outlet flow through venturi.Venturi tube is set in water outlet, high-pressure water gas mixed liquor passes through venturi
Guan Shi is generated " cavitation effect " due to Venturi tube water outlet pressure drop, the bubble being dissolved in the water further caves in,
Explosion, and then tiny micro/nano level bubble is formed, uniformly highdensity micro-nano bubble can be generated in water outlet, promoted molten
Oxygen.
As a further improvement of the utility model, two are respectively equipped with inside the water inlet of the dissolving and dissolving
Group turbulence blades;Flow passes sequentially through first group of turbulence blades of dissolving water inlet, second group of turbulence blades enters dissolving, into
The flow for entering dissolving passes sequentially through first group of turbulence blades in dissolving, second group of turbulence blades, after flow to water outlet.Three-level
Cutting can ensure that bubble soluble in water is uniformly cut to micro-nano rank, while the second level and the third level are respectively set two groups
Turbulence blades can reduce the requirement to mechanical strength.
Further, second group of turbulence blades rotation of first group of turbulence blades of the dissolving water inlet and dissolving water inlet
It is opposite to turn direction;Second group of turbulence blades direction of rotation is opposite in first group of turbulence blades and dissolving in the dissolving.Rotation
Turning direction, i.e. wing tip is directed toward on the contrary, can reduce the requirement to structural strength with trimming moment on the contrary.In addition, turbulence blades are preferred
Using dry seal turbulence blades, i.e. blade pivot uses the sealing structure of oil-free lubrication.
Further, the lobe numbers of first group of turbulence blades of dissolving water inlet are disturbed less than first group in dissolving
The lobe numbers of blade are flowed, the lobe numbers of second group of turbulence blades of dissolving water inlet are disturbed less than second group in dissolving
Flow the lobe numbers of blade;Or two groups of turbulence blades lobe numbers of dissolving water inlet are less than two groups of turbulence blades in dissolving
Lobe numbers.The quantity of blade has a certain impact to inflow, and water inlet pipe diameter is smaller, therefore suitably reduces water inlet
Blade quantity avoids blade from influencing inflow.
Further, the lobe numbers of first group of turbulence blades of dissolving water inlet are less than dissolving water inlet second
The lobe numbers of group turbulence blades;The lobe numbers of first group of turbulence blades are disturbed less than second group in dissolving in the dissolving
Flow the lobe numbers of blade.Second group of turbulence blades number is more than first group of turbulence blades number, it can be achieved that being carried out more to bubble
Careful cutting.
It is provided with intake valve and flowmeter at the air inlet pipe of the double entry pump as a further improvement of the utility model,
Air inflow can be controlled to adjust according to water flow.
The air inlet of the double entry pump and water inlet are respectively equipped with filter screen.Filter screen is arranged in double entry pump water inlet,
The bulky grain solid substance in water body can be sucked to avoid because of double entry pump swabbing action, such as stone, glass etc. causes system
Structural damage;Filter screen, which is arranged, in air inlet to cause the pollution of water body to avoid by suckings such as floccules in air.Further
, porous filter screen is arranged in the water inlet of the dissolving and tank body lower part.
The double entry pump power source is using diving magneto, the pumpable 30% gas liquid ratio mixed liquor of highest, working efficiency
It is high.
The equipment of the utility model, mixing wastewater with air liquid revolve after entering double entry pump by double entry pump pump housing blade first order high speed
It cuts rear bubble to become smaller, two layers opposite of dry seal flow perturbation fan of the direction of rotation that bubble disintegration water is arranged through dissolving water inlet
The second level circumgyration incision of piece, into the dissolving containing the double-deck dry seal turbulence blades in carry out third level circumgyration incision,
Supersaturated solution is formed under condition of high voltage in tank body, supersaturated gas and liquid mixture is after Venturi tube decompression release, release
Cavitation effect occurs for device outlet pressure rapid drawdown, and underwater bubble further ruptures, and is precipitated from water, and it is micro- to generate uniform high density
Nano bubble, minimum bubble diameter can reach 30nm.
The beneficial effects of the utility model are as follows:
(1) gas is cut by the first order of high speed double suction pump blade, at least level-one is cut at dissolving, makes water, gas
Mixed liquor homogenization, refinement;
(2) the high pressure dissolving of dissolving, due to oxygen solubility in water and pressure correlation, the bigger solubility of pressure is more
Height, after water, gas mixed liquor enter in dissolving, pressure can be such that air fully dissolves in water close to 400kPa in tank body
It carries out forming over-saturation gas-vapor mix liquid;
(3) Venturi tube decompression release.When high-pressure water gas mixed liquor passes through Venturi tube, due to Venturi tube water outlet
Pressure drop generates " cavitation effect ", and the bubble being dissolved in the water further caves in, bursts, and then is formed tiny micro-nano
Grade bubble;The uniform micro-nano bubble of high density is finally produced, bubble minimum diameter can reach 30nm, can the oxygenation into water
10mg/L;
(4) high speed double entry pump power source uses magneto, can be with the pumpable 30% gas liquid ratio mixed liquor of highest, and work effect
Rate far surpasses 45%, economical and energy saving.
Description of the drawings
Fig. 1 is the nano oxygen enriching device structure side view of the utility model embodiment;
Fig. 2 is the dissolving structural schematic diagram of the utility model embodiment;
Fig. 3 a are first group of dry seal turbulence blades front schematic view of dissolving water inlet in the utility model embodiment;
Fig. 3 b are first group of dry seal turbulence blades schematic rear view of dissolving water inlet in the utility model embodiment;
Fig. 4 a are second group of dry seal turbulence blades front schematic view of dissolving water inlet in the utility model embodiment;
Fig. 4 b are second group of dry seal turbulence blades schematic rear view of dissolving water inlet in the utility model embodiment;
Fig. 5 a are first group of dry seal turbulence blades front schematic view in dissolving in the utility model embodiment;
Fig. 5 b are first group of dry seal turbulence blades schematic rear view in dissolving in the utility model embodiment;
Fig. 6 a are second group of dry seal turbulence blades front schematic view in dissolving in the utility model embodiment;
Fig. 6 b are second group of dry seal turbulence blades schematic rear view in dissolving in the utility model embodiment;
Fig. 7 is Venturi tube schematic diagram in the utility model embodiment 1;
In figure:1. micro-nano aeration device, 2. double entry pumps, 3. double entry pump water inlets, 4. double suction pump steam inlets, 5. shuntings
Device, 6. dissolvings, 7. Venturi tubes, 8. outlet pipes, 61. first group of dissolving water inlet dry seal turbulence blades, 62. molten gas
Second group of dry seal turbulence blades of tank water inlet, first group of dry seal turbulence blades in 63. dissolvings, in 64. dissolvings
Second group of dry seal turbulence blades.
Specific implementation mode
It is described further with reference to embodiment and attached drawing.
Micro-nano oxygen increasing equipment 1 as shown in Figure 1 includes current divider 5, at least one dissolving 6 and double successively from top to bottom
Sucking pump 2;Air inlet 4 is arranged in the water inlet end of the double entry pump 2, and double suction pump steam inlet 4 is connected by air inlet pipe and outside atmosphere
It is logical;The water inlet of the current divider 5 is connect with the water outlet of double entry pump 2;5 top of the current divider is equipped with several water outlets, often
5 water outlet of a current divider is connected by the water inlet of dissolving 6 with dissolving 6;The water inlet of the dissolving 6 and molten gas
Tank 6 is internally provided at least one set of turbulence blades;Venturi tube is installed in the dissolving bottom water outlet position, in dissolving 6
Liquid flow through venturi 7 and outlet pipe 8 are discharged into water body.The structure of Venturi tube 7 is as shown in Figure 7.
As shown in Fig. 2-Fig. 6, two groups of turbulence blades are respectively equipped with inside the water inlet of the dissolving 6 and dissolving 6
61-64;Flow passes sequentially through first group of turbulence blades of dissolving water inlet, 61, second groups of turbulence blades 62 and enters dissolving, into
The flow for entering dissolving passes sequentially through first group of turbulence blades, 63, second groups of turbulence blades 64 in dissolving, after flow to venturi
Pipe 7.First group of turbulence blades 61 of dissolving water inlet are opposite with second group of 62 direction of rotation of turbulence blades of dissolving water inlet;Institute
It is opposite with second group of 64 direction of rotation of turbulence blades in dissolving to state first group of turbulence blades 63 in dissolving.Turbulence blades use
Dry seal turbulence blades, i.e. blade pivot use the sealing structure of oil-free lubrication.
Preferably, the lobe numbers of first group of turbulence blades 61 of dissolving water inlet are disturbed less than first group in dissolving
The lobe numbers of blade 63 are flowed, the lobe numbers of second group of turbulence blades 62 of dissolving water inlet are less than in dissolving second
The lobe numbers of group turbulence blades 64;Or two groups of turbulence blades lobe numbers of dissolving water inlet are less than in dissolving and disturb for two groups
Flow the lobe numbers of blade.In addition, the lobe numbers of first group of turbulence blades 61 of dissolving water inlet less than dissolving into
The lobe numbers of the second group of turbulence blades 62 in the mouth of a river;The lobe numbers of first group of turbulence blades 63 are less than molten gas in the dissolving
The lobe numbers of second group of turbulence blades 64 in tank.
In the device of the utility model, air after the sucking of double entry pump 2, is first passed around by air inlet 4, water by water inlet 3
The mixing of pump housing impeller, rotary-cut refinement, then pass sequentially through first group of dry seal flow perturbation fan of dissolving water inlet by current divider 5
Piece 61 and second group of dry seal turbulence blades 62 enter dissolving 6, first group of dry seal turbulence blades 61 and second
Group dry seal turbulence blades 62 are made of dry seal bearing and flying wing type turbulence blades, first group of dry seal turbulence blades
61 and second group of 62 blade direction of rotation of dry seal turbulence blades on the contrary, two turbulence blades under the action of mixed liquor to phase
Bubble in water is further cut refinement by anti-direction rotation, mixed liquor enter dissolving 6 by first group in dissolving without
In oil seal turbulence blades 63, dissolving after the further cutting refinement of second group of dry seal turbulence blades 64, fining air bubbles
To micro/nano level, gas liquid mixture dissolved under pressure in dissolving 6 reaches hypersaturated state, and dissolved oxygen content is more than 10mg/L,
After 7 decompressive spray of flow through venturi, bubble is further formed uniform a diameter of 30-50 μm of micro-nano bubble, and diameter is most
Minute bubbles can be as small as 30nm;
2 power source of high speed double entry pump is using diving magneto, the pumpable 30% gas liquid ratio mixed liquor of highest, working efficiency
Far surpass 45%.Micro-nano bubble can be retained for a long time in water due to having the features such as large specific surface area, rate of climb is slow,
Microorganism, phytoplankton and biology can preferably be supported, sufficient active oxygen is provided, accelerated period is micro- to being polluted in water body and bed mud
The degradation process of biology.Meanwhile micro-nano bubble large specific surface area, there is good adsorption effect to suspension pollutant.It is micro-
Nano bubble generates high temperature and pressure when rupturing, and generates more hydroxyl radical free radicals in water, it is organic to further promote macromolecule
The decomposition of object.
Claims (10)
1. a kind of micro-nano oxygen increasing equipment, which is characterized in that include current divider, at least one dissolving and double successively from top to bottom
Sucking pump;Air inlet is arranged in the water inlet end of the double entry pump, and double suction pump steam inlet is connected to by air inlet pipe with outside atmosphere;Institute
The water outlet of the water inlet and double entry pump of stating current divider connects;The splitter overhead is equipped with several water outlets, each current divider
Water outlet is connected by the water inlet of dissolving with dissolving;The water inlet of the dissolving and dissolving be internally provided with to
Few one group of turbulence blades;Dissolving bottom is equipped with water outlet, and the liquid in dissolving is discharged into water body through water outlet.
2. micro-nano oxygen increasing equipment according to claim 1, which is characterized in that install venturi in dissolving water outlet position
It manages, the liquid in dissolving is discharged into water body from water outlet flow through venturi.
3. micro-nano oxygen increasing equipment according to claim 1, which is characterized in that the water inlet of the dissolving and molten gas
Two groups of turbulence blades are respectively equipped with inside tank;Flow passes sequentially through first group of turbulence blades of dissolving water inlet, second group of flow-disturbing
Blade enters dissolving, and the flow into dissolving passes sequentially through first group of turbulence blades in dissolving, second group of turbulence blades,
After flow to water outlet.
4. micro-nano oxygen increasing equipment according to claim 3, which is characterized in that first group of flow-disturbing of the dissolving water inlet
Blade and second group of turbulence blades direction of rotation of dissolving water inlet are opposite;First group of turbulence blades and molten gas in the dissolving
Second group of turbulence blades direction of rotation is opposite in tank.
5. micro-nano oxygen increasing equipment according to claim 3, which is characterized in that first group of flow-disturbing of the dissolving water inlet
The lobe numbers of blade are less than the lobe numbers of first group of turbulence blades in dissolving, second group of flow-disturbing of the dissolving water inlet
Lobe numbers of the lobe numbers of blade less than second group of turbulence blades in dissolving;Or two groups of turbulence blades of dissolving water inlet
Lobe numbers be less than dissolving in two groups of turbulence blades lobe numbers.
6. micro-nano oxygen increasing equipment according to claim 3, which is characterized in that first group of flow-disturbing of the dissolving water inlet
The lobe numbers of blade are less than the lobe numbers of second group of turbulence blades of dissolving water inlet;First group of flow-disturbing in the dissolving
Lobe numbers of the lobe numbers of blade less than second group of turbulence blades in dissolving.
7. micro-nano oxygen increasing equipment according to claim 1, which is characterized in that be provided at the air inlet pipe of the double entry pump
Intake valve and flowmeter.
8. micro-nano oxygen increasing equipment according to claim 1, which is characterized in that the water inlet of the dissolving and tank body
Lower part is respectively equipped with filter screen.
9. micro-nano oxygen increasing equipment according to claim 1, which is characterized in that the air inlet and water inlet of the double entry pump
Place is respectively equipped with filter screen.
10. micro-nano oxygen increasing equipment according to claim 1, which is characterized in that the double entry pump power source is using diving
Magneto.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108083461A (en) * | 2017-12-21 | 2018-05-29 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of micro-nano oxygen increasing equipment |
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2017
- 2017-12-21 CN CN201721807210.7U patent/CN208038141U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108083461A (en) * | 2017-12-21 | 2018-05-29 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of micro-nano oxygen increasing equipment |
CN108083461B (en) * | 2017-12-21 | 2024-01-09 | 水利部交通运输部国家能源局南京水利科学研究院 | Micro-nano oxygenation equipment |
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