CN111747542A - Micro-nano bubble aeration oxygen-increasing machine - Google Patents

Micro-nano bubble aeration oxygen-increasing machine Download PDF

Info

Publication number
CN111747542A
CN111747542A CN202010486549.1A CN202010486549A CN111747542A CN 111747542 A CN111747542 A CN 111747542A CN 202010486549 A CN202010486549 A CN 202010486549A CN 111747542 A CN111747542 A CN 111747542A
Authority
CN
China
Prior art keywords
box
mixing
micro
oxygen
nano bubble
Prior art date
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.)
Pending
Application number
CN202010486549.1A
Other languages
Chinese (zh)
Inventor
陈杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaian Luquan Industry And Trade Co ltd
Original Assignee
Huaian Luquan Industry And Trade Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huaian Luquan Industry And Trade Co ltd filed Critical Huaian Luquan Industry And Trade Co ltd
Priority to CN202010486549.1A priority Critical patent/CN111747542A/en
Publication of CN111747542A publication Critical patent/CN111747542A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00Aeration of stretches of water
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)

Abstract

The invention belongs to the technical field of aeration machines, and discloses a micro-nano bubble aeration aerator. This micro-nano bubble aeration oxygen-increasing machine, the power distribution box comprises a box body, the interior roof of box is provided with the air feed mechanism that is used for the oxygen suppliment, still is provided with the mixing mechanism that the mist produced the bubble in the box, and mixing mechanism is located air feed mechanism under, the diapire of box is provided with the blast pipe. This micro-nano bubble aeration oxygen-increasing machine, through the setting of air feed mechanism, except the air, can also provide the supply of oxygen and ozone, the user can carry out nimble regulation and control in order to satisfy the demand according to the needs that use the scene, convenient to use, the suitability is high.

Description

Micro-nano bubble aeration oxygen-increasing machine
Technical Field
The invention relates to the technical field of aeration machines, in particular to a micro-nano bubble aeration aerator.
Background
The micro-nano aerator generates micro-nano bubbles by combining a super-dissolution air release technology with a nano dispersion technology, and then releases the micro-nano bubbles into a water body to achieve the effect of rapid oxygenation.
The micro-nano aeration technology is a novel water treatment technology. The micro-nano aeration technology is characterized in that micro-nano bubbles with the diameter smaller than 50 microns are generated through a micro-nano bubble rapid generation device, so that gas is rapidly and efficiently dissolved in water. Micro-nano bubble water can improve the dissolution efficiency of gas and meet the requirement of treating water.
The micro-nano bubble aeration machine based on micropore pressurization bubble often can have great volume in order to realize high-pressure gas-liquid mixture, and the requirement to service environment is great in-service use, and also high to pressurization structural stability, how to realize the high-efficient solution of gas-liquid is the problem that urgently needs to be solved.
Disclosure of Invention
The invention aims to provide a micro-nano bubble aeration oxygen increasing machine.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a micro-nano bubble aeration oxygen-increasing machine, includes the box, the interior roof of box is provided with the air feed mechanism that is used for the oxygen suppliment, still is provided with the mixing mechanism that the mist produced the bubble in the box, and mixing mechanism is located air feed mechanism under, the left side wall of box is provided with the blast pipe.
The air supply mechanism comprises an air pump, an oxygen generator, an ozone generator, a four-way pipe, a one-way valve and a communicating pipe, the air pump, the oxygen generator and the ozone generator are sequentially installed on the inner top wall of the box body from left to right, air inlet ends of the air pump, the oxygen generator and the ozone generator penetrate through the rear wall of the box body and are communicated with the outside of the box body, four ends of the four-way pipe are respectively communicated with an air outlet end of the air pump, an air outlet pipe of the oxygen generator, an air outlet pipe of the ozone generator and the communicating pipe, and the one-way valve.
Preferably, the mixing mechanism includes mixing drum, water pump, shower nozzle, motor, mixing shaft, flabellum and baffle, the mixing drum passes through between bolt installation and the box left and right wall, four-way pipe one end forms the intercommunication in the position and the mixing drum on mixing drum lateral wall top, fixed mounting has the water pump on the right wall in the box, the shower nozzle is installed to the play water end of water pump, and the shower nozzle runs through the top of mixing drum lateral wall and extends to inside the mixing drum, the end of intaking of water pump runs through the box right wall and extends out, motor fixed mounting is at the middle part of mixing drum upper surface, and inside the output shaft of motor extends to the mixing drum, baffle fixed connection just is located the downside in the mixing drum is inside, the top and the motor output shaft of mixing shaft pass through shaft coupling fixed connection, bearing swing joint is passed through at the baffle middle part in the bottom of.
Preferably, the mixing mechanism further comprises a driving gear and a driven gear, the two driven gears are symmetrically arranged on the upper surface of the partition plate, the driving gear is arranged on the position, corresponding to the driven gear, of the mixing shaft and meshed with the two driven gears, the transmission ratio of the driving gear to the driven gear is 100:1, a first through hole is formed in each of the two driven gears, a second through hole is formed in each of the two through holes in the partition plate, three foam forming plates are fixedly arranged on the inner wall of the mixing barrel and located on the lower side of the partition plate from top to bottom in sequence, uniform dispersing micropores are formed in each foam forming plate, and the air inlet end of the exhaust pipe extends into the box and is communicated with the mixing barrel in the bottom wall of the.
Preferably, the diameters of the dispersed micropores on the foam forming plate in the three layers from top to bottom are sequentially reduced, and the diameters are respectively ten micrometers, one micrometer and five hundred nanometers.
Preferably, the number of the fan blades is three, and the three fan blades are arranged on the mixing shaft at equal intervals from top to bottom.
Preferably, the air outlet ends of the two one-way valves point to the four-way pipe.
By adopting the technical scheme, the invention has the beneficial effects that:
1. this micro-nano bubble aeration oxygen-increasing machine, through the setting of air feed mechanism, except the air, can also provide the supply of oxygen and ozone, the user can carry out nimble regulation and control in order to satisfy the demand according to the needs that use the scene, convenient to use, the suitability is high.
2. This micro-nano bubble aeration oxygen-increasing machine, setting through mixing mechanism, the gas-liquid mixing container who provides high-pressure environment, compare in common high-pressure bucket among the prior art, the stirring of flabellum can bring better gas-liquid degree of fusion, simultaneously can improve the area of contact of water and gas greatly by shower nozzle blowout water smoke, strengthen the gas-liquid fusion, on the other hand driven gear's rotation, utilize setting up of through-hole one and through-hole two to form periodic exhaust pattern, provide sufficient fusion time for the gas-liquid, ensure that the gas-liquid fusion satisfies needs.
3. This micro-nano bubble aeration oxygen-increasing machine, simple structure, interior device, mixing mechanism's improvement has realized the miniaturization of equipment, and stability has obtained the assurance, has improved the gas-liquid amalgamation efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is an enlarged view of the invention at a in fig. 2.
In the figure: the device comprises a box body 1, an air supply mechanism 2, an air pump 21, an oxygen generator 22, an ozone generator 23, a four-way pipe 24, a one-way valve 25, a communicating pipe 26, a mixing mechanism 3, a mixing barrel 31, a water pump 32, a spray head 33, a motor 34, a mixing shaft 35, fan blades 36, a partition plate 37, a driving gear 38, a driven gear 39, an exhaust pipe 4, a first through hole 5, a second through hole 6, a bubble forming plate 7 and dispersed micropores 8.
Detailed Description
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a micro-nano bubble aeration oxygen-increasing machine, includes box 1, and box 1's interior roof is provided with the air feed mechanism 2 that is used for the oxygen suppliment, still is provided with the mixing mechanism 3 that the mist produced the bubble in box 1, and mixing mechanism 3 is located air feed mechanism 2 under, and box 1's left side wall is provided with blast pipe 4.
The air supply mechanism 2 comprises an air pump 21, an oxygen generator 22, an ozone generator 23, a four-way pipe 24, a one-way valve 25 and a communicating pipe 26, the air pump 21, the oxygen generator 22 and the ozone generator 23 are sequentially installed on the inner top wall of the box body 1 from left to right, air inlet ends of the air pump 21, the oxygen generator 22 and the ozone generator 23 penetrate through the rear wall of the box body 1 and are communicated with the outside of the box body 1, four ends of the four-way pipe 24 are respectively communicated with an air outlet end of the air pump 21, an air outlet pipe of the oxygen generator 22, an air outlet pipe of the ozone generator 23 and the communicating pipe 26, the one-way valve 25 is installed on the air outlet pipe of the oxygen generator 22 and the air outlet pipe of the ozone generator 23, and the air supply of oxygen and ozone can be provided through the air supply.
The mixing mechanism 3 comprises a mixing barrel 31, a water pump 32, a spray nozzle 33, a motor 34, a mixing shaft 35, fan blades 36 and a partition plate 37, wherein the mixing barrel 31 is installed between the left wall and the right wall in the box body 1 through bolts, one end of a four-way pipe 24 is communicated with the mixing barrel 31 at the top end of the side wall of the mixing barrel 31, the water pump 32 is fixedly installed on the right wall in the box body 1, the spray nozzle 33 is installed at the water outlet end of the water pump 32, the spray nozzle 33 penetrates through the top end of the side wall of the mixing barrel 31 and extends into the mixing barrel 31, the water pump 32 can supply water by pure water to ensure that the foaming plate 7 cannot be frequently blocked, or river water after rough filtration can be adopted, the water inlet end of the water pump 32 extends out through the right wall of the box body 1, the motor 34 is fixedly installed in the middle part of the upper surface of the mixing barrel 31, the output shaft of the motor 34 extends into the mixing barrel 31, the partition, the bottom of mixing shaft 35 passes through bearing swing joint in baffle 37 middle part, be provided with flabellum 36 on the mixing shaft 35, setting through mixing mechanism 3, provide high pressure environment's gas-liquid mixing container, compare in common high-pressure bucket among the prior art, the stirring of the 36 of flabellum can bring better gas-liquid degree of fusion, the area of contact of water and gas can be improved greatly by shower nozzle 33 blowout water smoke simultaneously, strengthen the gas-liquid fusion, on the other hand driven gear 39's rotation, utilize setting up of through-hole one 5 and through-hole two 6 to form periodic exhaust mode, provide sufficient fusion time for the gas-liquid, it meets needs to ensure the gas-liquid fusion, use motor 34 rotational speed as 500rpm for example, the sector contained angle that through-hole one 5 is 60 degrees, through-hole one 5 has 2 seconds to intersect with through-hole two 6, two seconds's pressure release exhaust time promptly.
The mixing mechanism 3 further comprises a driving gear 38 and a driven gear 39, two driven gears 39 are symmetrically arranged on the upper surface of the partition plate 37, the driving gear 38 is arranged on the mixing shaft 35 corresponding to the driven gears 39, the driving gear 38 is meshed with the two driven gears 39, the driving gear 38 and the driven gears 39 are both made of engineering plastics, so that corrosion can be avoided in use, meanwhile, the lower surface of the driven gear 39 is attached to the upper surface of the partition plate 37, the transmission ratio of the driving gear 38 to the driven gear 39 is 100:1, the two driven gears 39 are provided with the first through hole 5, the partition plate 37 is provided with the second through hole 6 on the rotation track of the first through hole 5, the inner wall of the mixing barrel 31 and the lower side of the partition plate 37 are sequentially and fixedly provided with three layers of foam forming plates 7 from top to bottom, the foam forming plates 7 are provided with uniform dispersing micropores 8, and the air inlet end of the exhaust pipe 4 extends to the inside of the box body 1 and is communicated with the mixing barrel 31 from the bottom wall of the mixing barrel 31.
The diameters of the dispersed micropores 8 on the three-layer foam forming plate 7 are sequentially decreased from top to bottom, wherein the diameters are respectively ten micrometers, one micrometer and five hundred nanometers, and the bubbles are crushed in a multi-layer manner to form dense micro-nano bubbles.
The number of the fan blades 36 is three, the three fan blades 36 are arranged on the mixing shaft 35 at equal intervals from top to bottom, and the rotation of the fan blades 36 enhances the mixing of the air and the pure water mist sprayed from the spray head 33.
The air outlet ends of the two one-way valves 25 are both directed to the four-way pipe 24, and when the oxygen generator 22 and the ozone generator 23 do not work, air blown out by the air pump 21 cannot enter the oxygen generator 22 and the ozone generator 23 to damage the two.
When the micro-nano bubble aeration aerator works, the air pump 21, the oxygen generator 22, the motor 34 and the water pump 32 are respectively started, whether the ozone generator 23 is started is determined according to requirements, air, oxygen and ozone (when the ozone generator 23 is started) enter the mixing barrel 31, pure water pumped by the air pump 21 is sprayed into the mixing barrel 31 through the spray nozzle 33, water mist is rotated by the fan blades 36 to be mixed with gas in the mixing barrel 31, the pressure in the mixing barrel 31 rises to enhance gas-liquid mixing, the driven gear 39 is driven to rotate along with the rotation of the mixing shaft 35, the pressure in the mixing barrel 31 is relieved when the through hole I5 and the through hole II 6 are opposite, and high-pressure gas-liquid mixture forms micro-nano bubbles through the three foam forming plates 7 and is discharged.

Claims (6)

1. The utility model provides a micro-nano bubble aeration oxygen-increasing machine, includes box (1), its characterized in that: the oxygen supply device is characterized in that an oxygen supply mechanism (2) for supplying oxygen is arranged on the inner top wall of the box body (1), a mixing mechanism (3) for generating bubbles by mixed gas is further arranged in the box body (1), the mixing mechanism (3) is positioned under the oxygen supply mechanism (2), and an exhaust pipe (4) is arranged on the left side wall of the box body (1);
air feed mechanism (2) are including air pump (21), oxygen generator (22), ozone generator (23), four-way pipe (24), check valve (25) and communicating pipe (26), air pump (21), oxygen generator (22) and ozone generator (23) are installed on the interior roof of box (1) from a left side to the right side in proper order, and the inlet end of three all runs through box (1) back wall and box (1) outer intercommunication, four ends of four-way pipe (24) respectively with the end of giving vent to anger of air pump (21), the outlet duct of oxygen generator (22), the outlet duct and communicating pipe (26) intercommunication of ozone generator (23), all install check valve (25) on the outlet duct of oxygen generator (22) and the outlet duct of ozone generator (23).
2. The micro-nano bubble aeration aerator according to claim 1, characterized in that: mixing mechanism (3) includes blending tank (31), water pump (32), shower nozzle (33), motor (34), mixing shaft (35), flabellum (36) and baffle (37), between left and right wall in blending tank (31) through bolt installation and box (1), four-way pipe (24) one end forms the intercommunication in position and blending tank (31) on blending tank (31) lateral wall top, fixed mounting has water pump (32) on the right wall in box (1), shower nozzle (33) is installed to the play water end of water pump (32), and shower nozzle (33) run through the top of blending tank (31) lateral wall and extend to inside blending tank (31), the end of intaking of water pump (32) runs through box (1) right wall and extends out, motor (34) fixed mounting is in the middle part of blending tank (31) upper surface, and the output shaft of motor (34) extends to inside blending tank (31), baffle (37) fixed connection is inside blending tank (31) and be located the downside, the top of mixing shaft (35) passes through shaft coupling fixed connection with motor (34) output shaft, and the bottom of mixing shaft (35) is passed through bearing swing joint in baffle (37) middle part, is provided with flabellum (36) on mixing shaft (35).
3. The micro-nano bubble aeration aerator according to claim 2, characterized in that: the mixing mechanism (3) also comprises a driving gear (38) and a driven gear (39), two driven gears (39) are symmetrically arranged on the upper surface of the partition plate (37), the driving gear (38) is arranged on the mixing shaft (35) corresponding to the driven gears (39), and driving gear (38) and two driven gear (39) meshing, the drive ratio of driving gear (38) and driven gear (39) is 100:1, through-hole (5) have all been seted up on two driven gear (39), through-hole two (6) have all been seted up on two through-hole (5) rotation trails on baffle (37), the inboard of mixing drum (31) and the downside that is located baffle (37) from last to down in proper order fixed mounting have three-layer to become bubble board (7), it has even dispersion micropore (8) to seted up on bubble board (7), the inlet end of blast pipe (4) extends to box (1) inside and communicates in mixing drum (31) diapire and mixing drum (31).
4. The micro-nano bubble aeration aerator according to claim 3, characterized in that: the diameters of the dispersed micropores (8) on the foam forming plate (7) are sequentially decreased from top to bottom, and are respectively ten micrometers, one micrometer and five hundred nanometers.
5. The micro-nano bubble aeration aerator according to claim 2, characterized in that: the number of the fan blades (36) is three, and the three fan blades (36) are equidistantly arranged on the mixing shaft (35) from top to bottom.
6. The micro-nano bubble aeration aerator according to claim 1, characterized in that: the air outlet ends of the two one-way valves (25) point to the four-way pipe (24).
CN202010486549.1A 2020-06-01 2020-06-01 Micro-nano bubble aeration oxygen-increasing machine Pending CN111747542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010486549.1A CN111747542A (en) 2020-06-01 2020-06-01 Micro-nano bubble aeration oxygen-increasing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010486549.1A CN111747542A (en) 2020-06-01 2020-06-01 Micro-nano bubble aeration oxygen-increasing machine

Publications (1)

Publication Number Publication Date
CN111747542A true CN111747542A (en) 2020-10-09

Family

ID=72674211

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010486549.1A Pending CN111747542A (en) 2020-06-01 2020-06-01 Micro-nano bubble aeration oxygen-increasing machine

Country Status (1)

Country Link
CN (1) CN111747542A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112337327A (en) * 2020-10-29 2021-02-09 威海金盛泰科技发展有限公司 Nanometer bubble generating device
CN115531997A (en) * 2022-10-17 2022-12-30 中国农业科学院农田灌溉研究所 Nanometer bubble generator

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2627070Y (en) * 2003-05-16 2004-07-21 李宗铭 Adjustable water passing port cap
CN201075968Y (en) * 2007-12-10 2008-06-25 俞丽美 Thin pancake dropping milk device and thin pancake making machine
CN203498990U (en) * 2013-08-23 2014-03-26 厦门立业卫浴工业有限公司 Odor isolation floor drain
CN104260235A (en) * 2014-09-11 2015-01-07 长兴威力窑业有限公司 Automatic quantitative feeding device
CN105464203A (en) * 2016-01-15 2016-04-06 中国地质科学院水文地质环境地质研究所 Interactive wet-deposition purification regulation and storage system
CN108862652A (en) * 2018-07-12 2018-11-23 上海博偕环境科技有限公司 A kind of water oxygenation system of changeable nanobubble water and micron bubble water
CN208603846U (en) * 2018-06-21 2019-03-15 南京蓝领环境科技有限公司 A kind of novel micro nanometer rice aerator
CN210261312U (en) * 2019-06-26 2020-04-07 中国水产科学研究院淡水渔业研究中心 Ozone micro-nano bubble generating device
CN210367120U (en) * 2019-08-16 2020-04-21 青岛朗逸环保技术有限公司 Novel ozone water mixed flow device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2627070Y (en) * 2003-05-16 2004-07-21 李宗铭 Adjustable water passing port cap
CN201075968Y (en) * 2007-12-10 2008-06-25 俞丽美 Thin pancake dropping milk device and thin pancake making machine
CN203498990U (en) * 2013-08-23 2014-03-26 厦门立业卫浴工业有限公司 Odor isolation floor drain
CN104260235A (en) * 2014-09-11 2015-01-07 长兴威力窑业有限公司 Automatic quantitative feeding device
CN105464203A (en) * 2016-01-15 2016-04-06 中国地质科学院水文地质环境地质研究所 Interactive wet-deposition purification regulation and storage system
CN208603846U (en) * 2018-06-21 2019-03-15 南京蓝领环境科技有限公司 A kind of novel micro nanometer rice aerator
CN108862652A (en) * 2018-07-12 2018-11-23 上海博偕环境科技有限公司 A kind of water oxygenation system of changeable nanobubble water and micron bubble water
CN210261312U (en) * 2019-06-26 2020-04-07 中国水产科学研究院淡水渔业研究中心 Ozone micro-nano bubble generating device
CN210367120U (en) * 2019-08-16 2020-04-21 青岛朗逸环保技术有限公司 Novel ozone water mixed flow device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112337327A (en) * 2020-10-29 2021-02-09 威海金盛泰科技发展有限公司 Nanometer bubble generating device
CN112337327B (en) * 2020-10-29 2022-08-16 威海金盛泰科技发展有限公司 Nanometer bubble generating device
CN115531997A (en) * 2022-10-17 2022-12-30 中国农业科学院农田灌溉研究所 Nanometer bubble generator

Similar Documents

Publication Publication Date Title
CN111747542A (en) Micro-nano bubble aeration oxygen-increasing machine
CN111050892A (en) Gas dissolved water generating device
WO2013007094A1 (en) Centrifugal combined aeration machine
KR20100117523A (en) Microscopic bubble generating apparatus
CN103506019A (en) Circulative micro air bubble generator
CN107572654A (en) A kind of self-circulation type high efficient aeration pond
CN111924965A (en) Aerator for sewage treatment and treatment method thereof
CN113666395A (en) Micro-interface strengthening combined alkali-making device and production method
CN108083461A (en) A kind of micro-nano oxygen increasing equipment
CN209759128U (en) Submerged aerator with high bubble amount
CN209957502U (en) Channel pollution control aeration system
CN214399990U (en) Stirring aerator
CN212222519U (en) Ozone mixing apparatus with multi-point multi-mode efficient mixing device
CN214192750U (en) Self-suction jet flow and cutting type gas-liquid mixing and sending device
CN207891136U (en) A kind of micro-nano oxygenation running water machine of laminar flow switch type
CN210176584U (en) Rotary aerator capable of generating micro-nano bubbles
CN214345532U (en) Ammonia desulphurization forced oxidation device
CN202962293U (en) Circulative micro air bubble generator
CN212799722U (en) Treatment device for black and odorous water body
CN208038141U (en) A kind of micro-nano oxygen increasing equipment
CN211170089U (en) Underwater impeller-free aeration stirring device
CN108178348A (en) Strong positive pressure spraying aerating system
CN207891137U (en) A kind of self-propelled micro-nano oxygen increasing equipment
CN220485468U (en) Aeration machine is administered to lake surface
CN220703388U (en) Nanometer bubble system for water treatment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20201009

RJ01 Rejection of invention patent application after publication