CN1302706C - Submerged aerator with multi-step mixing and separation function - Google Patents
Submerged aerator with multi-step mixing and separation function Download PDFInfo
- Publication number
- CN1302706C CN1302706C CNB2004100581044A CN200410058104A CN1302706C CN 1302706 C CN1302706 C CN 1302706C CN B2004100581044 A CNB2004100581044 A CN B2004100581044A CN 200410058104 A CN200410058104 A CN 200410058104A CN 1302706 C CN1302706 C CN 1302706C
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- China
- Prior art keywords
- gas
- water
- casing
- water stream
- aeration devices
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- Expired - Fee Related
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/14—Activated sludge processes using surface aeration
- C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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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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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
This submerged aerator is composed of an ejector equipped with a water stream inlet, an air suction port and a gas-liquid mixed water stream outlet and a casing equipped with a drive motor, a rotation vane and an aeration water stream outlet. Therein, reaction liquid flowing into the water stream inlet of the ejector by the rotation of the rotation vane and supplied air are subjected to primary mixing dispersion by the ejector. The gas-liquid mixed water stream flowing out of the ejector is sucked into the casing, is brought into collision with the rotation vane and is subjected to secondary mixing dispersion. The aeration water stream subjected to the secondary mixing dispersion is injected to the reaction vessel through the aeration water stream outlet of the casing, thereafter, is subjected to further mixing dispersions of two times by means of the ejector and the rotation vane, and through the prolonging of gas-liquid contact time and the reclamation of gas-liquid contact interface, the oxygen transsibility is enhanced.
Description
Technical field
The present invention relates to the aerating device of use in fish culture and following wastewater treatment etc., relate in particular to the Aeration devices in the water that utilizes agitator in injector and the water and have the improvement inflation dynamic efficiency of multistage mixing divergent function.
Background technology
The economy of aerating device generally is with the oxygen migration amount of dissolving in water under the unit required drive, promptly inflates dynamic efficiency (kgO
2/ kwh) estimate.Oxygen migration amount is in boundary face width that air contacts with liquid and utilize the mixing power of not stagnating to make under the situation of the gas-liquid contact interface repeated regeneration that actuating pressure is big on the interface to increase.
As the concrete grammar that oxygen migration amount is increased, for example, increase the hydraulic pressure of on the interface, having an effect so that increase the inflation air capacity, the micro-bubble of small particle diameter is disperseed, thereby increase bubble quantity and bubble and specific surface area, increase the gas-liquid contact interface thus; For prolonging the diffusing gas of bubble that gas-liquid contact time makes the deep water place; Make mixing power that bubble mixes with liquid so that the gas-liquid contact interface can repeated regeneration by applying, thereby increase oxygen migration amount.
But, in the Aeration devices in the water of existing bottom suction shown in Figure 1, top discharge type, to discharge from the blowing mouth 200 that is arranged at the deep water that reacts troughstand portion by the air of appendix 100 pressurized delivered in order making, to increase the blast pressure of fan blower from fan blower.On the other hand, because delivering aerated water stream outlet 400 is positioned at than the depth of water position lower part of supplying gas, so the hydraulic pressure that acts on the interface of the bubble that comprises in delivering aerated water stream reduces on the contrary, oxygen migration amount reduces, because aspirated pressure height and gas pushing quantity reduces, thereby the power of fan blower has produced waste.In addition, the air of carrying bumps with rotating vane and the process of bubble dispersion also is once to finish, therefore bubble can not disperse in the extreme to reach nominal particle size, the width at specific surface area and whole interface reduces, the capable of regeneration agitator in interface can also be reduced, thereby the oxygen mobility can be so not high yet.
In addition, existing top sucks, the Aeration devices in the water (not shown) of bottom discharge type also is the air that provides from fan blower will be discharged from the blowing mouth that is arranged at the deep water that reacts troughstand portion, the air of carrying also is detained in the space of the lower cone shape of rotating vane, and disperses to discharge by the current that are downward through in the side.Therefore, the hydraulic pressure that acts on the bubble interface can keep close with the hydraulic pressure at the depth of water place of supplying gas.But because bubble can not be dispersed into trickle state, the integral width of gas-liquid contact interface reduces, and the capable of regeneration agitator in interface can also be no more than once, thereby the oxygen mobility is not high yet.
Summary of the invention
The present invention proposes in order to solve above-mentioned prior art problems.Its objective is to provide a kind of Aeration devices in the water with high oxygen mobility and good inflation dynamic efficiency.
To achieve these goals, Aeration devices in the water of the present invention has rotating vane in casing (casing), place, shallow water position or casing on said machine casing top have injector on every side, the air suction inlet of above-mentioned injector is connected with the appendix that is used to transport from the air of fan blower, the flow export of above-mentioned injector is connected in the mode that is communicated with said machine casing inside, so that the gas-liquid mixed current that the air that flows out from above-mentioned injector mixes with reactant liquor can flow into said machine casing inside, the gas-liquid contact lower end, chamber of said machine casing portion's formation within it has the more than one delivering aerated water stream outlet that can discharge delivering aerated water stream, is provided with drive motors in above-mentioned rotating vane.
The following describes the course of action of Aeration devices in the water of the present invention.Well is raised in the suction that utilizes above-mentioned drive motors that the rotating vane rotation is formed, reactant liquor is inhaled into from the water stream inlet of the above-mentioned injector that casing had, in injector, the reactant liquor that sucks is mixed with the air that fan blower is carried, and the air that fan blower is supplied with mixes stirring with the current of suction, be separated into small bubble, constitute the first order thus and mix dispersion.Mix the delivering aerated water stream that the disperses flow export by injector and suck said machine casing inside once more utilizing above-mentioned injector to carry out the first order, with above-mentioned rotating vane collision and further be separated into more small bubble, constitute the second level thus and mix and disperse.The delivering aerated water stream that mix to disperse through the second level is expelled to reactive tank by the above-mentioned delivering aerated water stream outlet of casing bottom.
Aeration devices in the water with such course of action provides air from the top of the aerating device of low water level, thereby the force feed water level of fan blower shoals, and utilize the suction of injector to alleviate the pressure load of blower, thereby gas pushing quantity strengthens.In addition, utilize second time that injector and rotating vane carry out to mix and disperse, prolonged gas-liquid contact time, make the contact interface repeated regeneration of gas and liquid, thereby improved the dynamic efficiency of inflation.
Particularly, the air that blowdown presssure increased that alleviates fan blower utilizes above-mentioned injector and rotating vane to be delivered to the deep water place of reaction troughstand portion by force, disperseed and discharged at deep water place micro air bubble, thereby the hydraulic pressure that is acted on the bubble increases, underwater bubble floats to the distance prolongation of ambient atmosphere, thereby gas-liquid contact time also prolongs, thereby has further improved the oxygen mobility.
In addition, on the top of the above-mentioned rotating vane of said machine casing inside, be formed with gas-liquid contact chamber, the air of conveying is mixed with reactant liquor, making air dispersion is the micro-bubble of small particle diameter.In above-mentioned rotating vane,, air and reactant liquor are mixed disperse, thereby the oxygen mobility is further improved by outstanding bar-shaped or spiral helicine agitating device.Herein, above-mentioned agitating device also can constitute in the casing that projects to above-mentioned gas-liquid contact chamber interior.
The both sides of above-mentioned Aeration devices in the water have lead and the leading truck that promotes and be provided with when being convenient to repair, and the more than one arbitrarily lead in the above-mentioned lead can be carried out the function of appendix 5 concurrently, promptly transfers the air from fan blower.The air supply pipe of above-mentioned Aeration devices in the water is communicated with above-mentioned lead, so that will offer Aeration devices in the water by the air that fan blower is supplied with when being provided with, and has the easy attaching/detaching apparatus of suction when repairing.Above-mentioned attaching/detaching apparatus can utilize the known technology that uses on the discharge pipe of the pump in water easily to realize.Wherein, by all using other telescoping tube to constitute above-mentioned appendix and lead,, also above-mentioned Aeration devices in the water can be set freely even omit attaching/detaching apparatus.In addition, at the above-mentioned appendix that is used for transporting from the air of fan blower automatic valve is set, the action that above-mentioned automatic valve opens and closes is operated reactive tank under inflation or any operational mode of stirring.Also can with timer, ORP, DO controller interlock, according to the condition of setting the switch motion of above-mentioned automatic valve is carried out repeatedly, thereby can realize that stirring mutual batch (-type) inflation mode repeatedly with inflation and on-inflatable moves, in the technology of removing denitrification, phosphorus, can freely be applied to be sick of, in the technology under any condition of close gas condition or the intermittence gas filling technology.
In addition, the water stream inlet of injector constitutes with skewed slot (flume) pipe that can reduce flow resistance, has more than one cycle stream in the aforementioned tube and prevents plate, the loss of flood peak that the cycle stream that produces in the time of can alleviating the current inflow thus causes.
Aeration devices in the water of the present invention is not limited to utilize the forced blowing type of fan blower, also can utilize the self-suction function of injector and forms self-priming Aeration devices in the water.
Aeration devices in the water with multistage mixing divergent function of the present invention has following effect: the first, oxygen mobility height, and the inflation dynamic efficiency is good; The second, being used to drawing of the device repaired raises and installs easily; Three, can realize that the inflation, the on-inflatable that are used for removing in nitrogen, phosphorus stir and intermittently inflation; Four, can realize jumbo aerating device.
Description of drawings
Fig. 1 is the schematic diagram of the Aeration devices in the water of prior art;
Fig. 2 is the schematic diagram of first embodiment of Aeration devices in the water of the present invention;
Fig. 3 is the schematic diagram of second embodiment of Aeration devices in the water of the present invention;
Fig. 4 is the schematic diagram of the 3rd embodiment of Aeration devices in the water of the present invention;
Fig. 5 is the schematic diagram of the 4th embodiment of Aeration devices in the water of the present invention;
Fig. 6 is the schematic diagram of the 5th embodiment of Aeration devices in the water of the present invention;
Fig. 7 is the schematic diagram of the 6th embodiment of Aeration devices in the water of the present invention;
Fig. 8 is the schematic diagram of the 7th embodiment of Aeration devices in the water of the present invention.
Embodiment
Describe embodiments of the invention in detail below in conjunction with accompanying drawing.
Fig. 2 is the schematic diagram of first embodiment of Aeration devices in the water of the present invention.
Aeration devices in the water according to present embodiment has following structure: have rotating vane 2 in casing 3.Be provided with standard type injector 1 on the top of said machine casing central authorities, this injector 1 inside has nozzle.The water stream inlet of above-mentioned injector is made of the skewed slot pipe.The air suction inlet of above-mentioned injector is connected with the appendix 5 that is used to transport from the air of fan blower.The flow export 13 of above-mentioned injector and said machine casing inside are connected in the mode that is communicated with, and can flow into said machine casing inside so that the air that flows out from above-mentioned injector mixes formed gas-liquid mixture fluid with reactant liquor.Lower side in said machine casing has more than one delivering aerated water stream outlet 31 so that delivering aerated water stream in the horizontal direction or the direction under oblique discharge.Central authorities in the said machine casing bottom are provided with the drive motors 4 that is used for the driven in rotation blade.
In addition, be formed with gas-liquid contact chamber 32 on the top of the rotating vane of said machine casing inside, the air of conveying is mixed with reactant liquor, making air dispersion is the micro-bubble of small particle diameter.In above-mentioned rotating vane, bar-shaped or spiral helicine agitating device 21 is given prominence to, and makes air and reactant liquor mix the structure of disperseing to improve the oxygen mobility thereby form.Herein, above-mentioned agitating device also can constitute in the casing that projects to above-mentioned gas-liquid contact chamber interior.
In addition, described agitating device can be made of a plurality of sulculuses or a plurality of projection on the surface of surface, inside that is formed on casing or rotating vane.
Have lead 51 and leading truck 52 in the both sides of above-mentioned Aeration devices in the water, lifting and setting when being easy to repair.More than one arbitrarily lead in the above-mentioned lead can be carried out the function of appendix 5 concurrently, promptly transfers the air from fan blower.The air supply pipe 17 of above-mentioned Aeration devices in the water and above-mentioned lead are communicated with according to the mode that will offer Aeration devices in the water from the air that fan blower is supplied with when being provided with, and have to make to promote when repairing and be easy to attaching/detaching apparatus.
Above-mentioned attaching/detaching apparatus can utilize the employed known technology of the discharge pipe of the pump in water easily to realize.Wherein, by all using other telescoping tube to constitute (not shown) above-mentioned appendix and lead,, also can freely promote above-mentioned Aeration devices in the water is set even omit attaching/detaching apparatus.
In addition, at the above-mentioned appendix that is used for transporting from the air of fan blower automatic valve 55 is set, opening and closing action by this automatic valve, reactive tank is operated under any operational mode of inflation or stirring, or can with timer, ORP, DO controller interlock, according to the condition of setting the switch motion of above-mentioned automatic valve is carried out repeatedly, thereby can be realized that stirring mutual batch (-type) inflation mode repeatedly with inflation and on-inflatable moves.In the technology of removing denitrification, phosphorus, can freely be applied to be sick of, the technology under any condition of close gas condition or intermittently in the gas filling technology.
Fig. 3 is the schematic diagram of second embodiment of Aeration devices in the water of the present invention.
That the Aeration devices in the water of above-mentioned first embodiment uses is standard type injector (StandardEjector).And in the present embodiment, then be to utilize the central interior of the water stream inlet pipe that constitutes at the skewed slot pipe to insert air supply pipe and annular (Annular) the injector 1a that forms constitutes.Other formation is identical with first embodiment with effect.
Fig. 4 is the schematic diagram of the 3rd embodiment of Aeration devices in the water of the present invention.
Aeration devices in the water according to present embodiment has following structure: have rotating vane 2 in casing 3 inside.Be provided with the drive motors 4 that is used for the driven in rotation blade on the top of said machine casing central authorities.The top of said machine casing, be provided with above-mentioned drive motors around have a plurality of annular ejector 1a, this annular ejector 1a utilizes the central authorities of the current supply pipe that the skewed slot pipe connects to insert air supply pipe to constitute.Lower side in said machine casing is formed with more than one delivering aerated water stream outlet 31 so that delivering aerated water stream in the horizontal direction or the direction under oblique discharge.The air supply pipe that has in a plurality of injectors connects into the mode that comes together in air supply chamber 54, and above-mentioned air supply chamber is connected with appendix 5.
Fig. 5 is the schematic diagram of the 4th embodiment of Aeration devices in the water of the present invention.
Present embodiment changes to standard injector with the annular ejector among the 3rd embodiment.The inside center of the current supply pipe that is connected at the skewed slot pipe has nozzle.The side of the current supply pipe of the bottom of said nozzle is the standard type injector 1 that is connected with mode of communicating with air supply pipe.Identical with the 3rd embodiment of other formation and effect.
Fig. 6 is the schematic diagram of the 5th embodiment of Aeration devices in the water of the present invention.
Aeration devices in the water in the present embodiment has following structure: have rotating vane 2 in casing 3 inside.The top of said machine casing constitutes has bigbore cylindrical opening portion.Central upper at above-mentioned rotating vane is provided with the drive motors 4 that is used to make this rotating vane rotation.Utilize the cylindrical opening portion of above-mentioned drive motors and said machine casing to constitute water stream inlet 11.Be inserted with a plurality of small-bore air supply pipe 17a in the above-mentioned water stream inlet.By making current flow into above-mentioned water stream inlet, realize the function of injector, the suction of air suction inlet 12 is played a role.Lower side in said machine casing is formed with more than one delivering aerated water stream outlet 31 so that delivering aerated water stream in the horizontal direction or the direction under oblique discharge.
Also the shape with the ring-type water stream inlet is corresponding to be inserted in a plurality of above-mentioned small-bore air supply pipe in the above-mentioned ring-type water stream inlet, is arranged as cylindrical.Above-mentioned a plurality of small-bore air supply pipe is connected with air supply chamber 54.Above-mentioned air supply chamber and appendix 5 are connected with mode of communicating.Thus, constituted Aeration devices in the water.
Fig. 7 is the schematic diagram of the 6th embodiment of Aeration devices in the water of the present invention.
Aeration devices in the water in the present embodiment has following structure: have rotating vane 2 in casing 3 inside.The top of said machine casing is formed with bigbore cylindrical opening portion.Central upper at above-mentioned rotating vane is provided with the drive motors 4 that is used to make this rotating vane rotation.Utilize a circular opening portion that forms between the cylindrical opening portion on above-mentioned drive motors and said machine casing top to constitute water stream inlet 11.Has the skewed slot pipe in the above-mentioned water stream inlet.The air supply pipe air supply chamber 54 of holding concurrently is connected with the said machine casing side of said machine casing bottom, and with the casing internal communication.Periphery along said machine casing in casing inside forms elongated cylindrical air suction inlet 12.Columnar said machine casing self constitutes bigbore standard type injector.
Fig. 8 is the schematic diagram of the 7th embodiment of Aeration devices in the water of the present invention.
In the present embodiment, the driving shaft on the top of drive motors among above-mentioned the 6th embodiment is extended to the outside, thereby top rotating vane 22 further is set.Casing 3 extends and fixing top rotating vane to top, current is flowed into and stirring with two rotating vanes thus, so is suitable for stirring and Aeration devices in the water that pneumatic volume is big.
Above-mentioned second to the 7th embodiment is identical with first embodiment, lead, attaching/detaching apparatus, constitutes automatic valve and the method for the inflation, stirring or the intermittently inflatable running that realize etc. also can be suitable as first embodiment on appendix.In addition, in above-mentioned second to the 4th embodiment, resemble and constitute gas-liquid contact chamber and agitating device 21 first embodiment, mix dispersion efficiency thereby increase.Particularly, the 7th embodiment is provided with rotating vane in the both sides of drive motors rotating shaft, thereby is easy to realize jumbo aerating device.
In addition, Aeration devices in the water of the present invention is not limited to the mode by the fan blower forced air supply.Also can use self-priming Aeration devices in the water, only suck the air of inflation usefulness by the self-suction function of injector.
The present invention is as utilizing the Aeration devices in the water with multistage mixing divergent function that agitator constitutes in injector and the water, and inflation, the on-inflatable of realizing being used for removing denitrification, phosphorus in fish culture field and following waste water treatment process etc. stir and intermittently inflation.Can be used as the good big capacity aerating device of inflation dynamic efficiency.
Claims (6)
1. have the Aeration devices in the water of multistage mixing divergent function, comprising:
Casing (3), be arranged on the inside of reactive tank, and portion is formed with gas-liquid contact chamber (32) within it, described casing (3) has one or more delivering aerated water stream outlets (31) in described gas-liquid contact lower end, chamber (32), is used for the delivering aerated water stream that described gas-liquid contact chamber (32) forms is expelled to the outside;
Injector (1), the one end has the water stream inlet (11) of the reactant liquor that flows into described reactive tank and flows into the air supply pipe (17) of the extraneous gas that offers by appendix (5), its other end has the flow export (13) that is communicated with described casing (3), with the reactant liquor that will from described reactive tank, suck and from described air supply pipe (17) inhaled air mix, and the gas-liquid mixed current are offered the described gas-liquid contact chamber (32) of described casing (3); And
Rotating vane (2), be configured in the described gas-liquid contact chamber (32), by drive motors (4) driven in rotation, meanwhile the described gas-liquid mixed current that will flow into through the flow export (13) of described injector (1) suck in the described gas-liquid contact chamber (32) by force, and bump with described gas-liquid mixed current and be crushed into small bubble, bubble is expelled in the described reactive tank by force through described delivering aerated water stream outlet (31).
2. the Aeration devices in the water with multistage mixing divergent function according to claim 1, it is characterized in that, described injector (1) by on the top of described casing (3) around the described rotating vane (2) a plurality of injectors (1) with certain arranged spaced constitute, the water stream inlet (11) of each injector (1) is made of the skewed slot pipe, and be communicated with described reactive tank, described flow export (13) contacts chamber (32) and interconnects with described gas-liquid, described each injector (1) interconnects, and is connected with described appendix (5).
3. the Aeration devices in the water with multistage mixing divergent function according to claim 1, it is characterized in that, the upper end of described casing (3) is opened and the formation opening portion, described drive motors (4) disposes on the inner coaxial direction of casing (3) by described opening portion, between the outer peripheral face of the inwall of described casing (3) and described drive motors (4), form ring-type water stream inlet (11), described air supply pipe (17) has the ring-type air intake (12) and the air supply chamber (54) of opening along the sidewall setting of described casing (3) between the madial wall of described casing (3).
4. the Aeration devices in the water with multistage mixing divergent function according to claim 1, it is characterized in that, gas-liquid at described casing (3) contacts on the inwall of chamber (32), is extruded with agitating device, with described rotating vane (2) air of current is pulverized to be micro-bubble.
5. the Aeration devices in the water with multistage mixing divergent function according to claim 1, it is characterized in that, further comprise the automatic valve (55) that is connected with described appendix (5), and controller, this controller makes described automatic valve (55) carry out switch motion according to imposing a condition, so that described reactive tank runs under wherein a kind of method of operation that inflation is stirred and on-inflatable stirs.
6. the Aeration devices in the water with multistage mixing divergent function according to claim 1, it is characterized in that, the driving shaft of described drive motors (4) extends in the both sides of described drive motors (4), and the driving shaft of described both sides is connected with rotating vane (2) respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0056255A KR100520692B1 (en) | 2003-08-13 | 2003-08-13 | Aerators with the Functions of muli-step mixing and sepataion |
| KR200356255 | 2003-08-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1579149A CN1579149A (en) | 2005-02-16 |
| CN1302706C true CN1302706C (en) | 2007-03-07 |
Family
ID=32227610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100581044A Expired - Fee Related CN1302706C (en) | 2003-08-13 | 2004-08-13 | Submerged aerator with multi-step mixing and separation function |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005059002A (en) |
| KR (1) | KR100520692B1 (en) |
| CN (1) | CN1302706C (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100806474B1 (en) * | 2006-02-20 | 2008-02-21 | 한상배 | The Mixers and the Submersible Aerators with using these mixers |
| JP5252409B2 (en) * | 2006-11-08 | 2013-07-31 | 株式会社横田製作所 | Microbubble generator |
| JP5749463B2 (en) * | 2009-12-11 | 2015-07-15 | 株式会社Ｍｇグローアップ | Mixing and stirring device |
| US9486750B2 (en) * | 2011-12-01 | 2016-11-08 | Praxair Technology, Inc. | Gas injection method and apparatus |
| CN103055729A (en) * | 2013-01-22 | 2013-04-24 | 浙江奇峰泵业有限公司 | Gas-liquid mixing generation device |
| CN106857374B (en) * | 2015-12-11 | 2021-03-23 | 青海民泽龙羊峡生态水殖有限公司 | Water environment optimization system for aquaculture |
| CN108513945B (en) * | 2018-04-11 | 2021-05-11 | 中山绿威科技有限公司 | Fishery aerator based on volute type centrifugal fan and using method thereof |
| CN108835014B (en) * | 2018-08-23 | 2020-09-01 | 湖州日晨生态农业开发有限公司 | Freshwater fish keep-alive conveyer |
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| CN109673574A (en) * | 2019-01-17 | 2019-04-26 | 浙江无懈电机有限公司 | A kind of aeration device and its control method |
| CN109943313B (en) * | 2019-04-23 | 2021-03-12 | 中国石油大学(华东) | Equipment and method for preparing supercritical carbon dioxide microemulsion and fly ash particle compound dispersion |
| CN110316812A (en) * | 2019-06-24 | 2019-10-11 | 河北航天环境工程有限公司 | A kind of high-efficiency aerator and application for forcing Mixing Technology based on air swirl |
| CN111534272B (en) * | 2020-05-14 | 2022-11-04 | 南通亿硕新材料科技有限公司 | Preparation method of acidic silicone sealant and sealant |
| CN112616750B (en) * | 2021-01-18 | 2023-05-09 | 严俊 | Aquaculture feed throwing device |
| CN113711989B (en) * | 2021-10-13 | 2022-10-28 | 新乡市水产技术推广站 | Pure oxygen supply equipment for aquaculture |
| CN114699976B (en) * | 2022-04-20 | 2023-07-25 | 上海蕙黔新材料科技有限公司 | Impregnating solution configuration equipment for producing catalyst by impregnation method |
| CN115432809A (en) * | 2022-09-03 | 2022-12-06 | 中盐昆山有限公司 | Reclaimed water reuse nitrogen reduction system |
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- 2003-08-13 KR KR10-2003-0056255A patent/KR100520692B1/en not_active IP Right Cessation
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- 2004-08-05 JP JP2004229867A patent/JP2005059002A/en active Pending
- 2004-08-13 CN CNB2004100581044A patent/CN1302706C/en not_active Expired - Fee Related
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| CN1208023A (en) * | 1997-08-13 | 1999-02-17 | 昕源科技股份有限公司 | Water purifying aerating device |
| CN2344396Y (en) * | 1998-08-24 | 1999-10-20 | 孙厚钧 | Jet-oscillating liquid-mixing aeration machine |
| CN1234374A (en) * | 1999-03-22 | 1999-11-10 | 关品三 | Oxygen-gathering, activating and aerating oxygenating machine |
| CN2402675Y (en) * | 1999-11-18 | 2000-10-25 | 刘承汉 | Improved immersed aerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1579149A (en) | 2005-02-16 |
| KR20030071706A (en) | 2003-09-06 |
| JP2005059002A (en) | 2005-03-10 |
| KR100520692B1 (en) | 2005-10-12 |
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