CN201021441Y - Film oxygen charging device - Google Patents
Film oxygen charging device Download PDFInfo
- Publication number
- CN201021441Y CN201021441Y CNU2007200192416U CN200720019241U CN201021441Y CN 201021441 Y CN201021441 Y CN 201021441Y CN U2007200192416 U CNU2007200192416 U CN U2007200192416U CN 200720019241 U CN200720019241 U CN 200720019241U CN 201021441 Y CN201021441 Y CN 201021441Y
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- pump group
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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
A membrane-type oxygenating device comprises a bubble-free oxygenating membrane component, a liquid-phase circulating pump unit, an air circulating pump unit, an automatic circulating membrane-washing pump unit, an electric control device, a frame and a support, wherein, the bubble-free oxygenating membrane component is fixed on the support via U-shaped bolts; the liquid-phase circulating pump unit, the air circulating pump unit and the automatic circulating membrane-washing pump unit are all arranged on the frame. The utility model can run as an independent system or be matched with the blasting duct-network air supply system in a prior sewage treatment project. With the advantages of high strength, acid and base resistance, anti-aging property, stable performance, low price as well as low energy consumption, the utility model can reduce the treatment cost, improve the sewage treatment capacity and realize the bubble-free oxygenation in the process of water treatment.
Description
One, technical field
The utility model relates to a kind of diaphragm type oxygenate apparatus, belongs to trade effluent, waste disposal plant technical field.
Two, background technology
Environment protection and improvement technology thereof are the important topics of our times various countries scientific and technological circle research, China especially with it as a fundamental state policy and include the legal management system in.In environmental protection and Abfallwirtschaft, the protection of the water resources that the mankind depend on for existence becomes the most important thing again.China's water resources ownership per capita only is the sixth of world average level, and water resources has become the grand strategy resource of society.Though water pollution control is passive act, also be one of vital task of national governments' work.Below be described below with regard to the common practice of wastewater treatment and the relevant technologies content of this project product:
In the waste water treatment method, it is the biological treating technology that various countries generally adopt in the conversion method the state-of-the-art biotransformation method of science, also makes secondary administer.Behind the biological treating, it is clear that waste water becomes, can Recycling, and non-secondary pollution reaches the purpose of waste water reclamation, and funds are also relatively more cheap.The biological treating technology, what generally use now is activated sludge process, biomembrance process, oxidation pond process, the microorganism that utilizes occurring in nature to exist is tamed microorganism, and it can be survived in waste water.Simultaneously, can make it to be converted into stable non-toxic substance to organism a large amount of, high density or Toxic differentiation in the waste water.After the aeration tank of first manual handling appearred in Britain in 1916, the biochemical treatment waste water technology developed by leaps and bounds, and became one of best improvement technology in this century.The bio-transformation active sludge treatment mainly occurs in the aeration tank.Waste water enters the aeration tank, by aerator waste water is carried out oxygenation, makes the activated bacterial of waste water lively, the organism in the waste water is eaten, and become inorganics.Aeration system and aerator have become the main flow of current sewage disposal.Present employed aerator has rotating disc type, rotary mixing type, turbulent flow type, undercurrent type, jetting type and pore type etc. multiple, cut both ways, but their common purposes are exactly as much as possible airborne oxygen to be transported in the processed water, so that sufficient dissolved oxygen to be provided, improve biological treatment effect.The final purpose of this method is without any problem, but there is more shortcoming in this oxygenation mode, mainly is: (1) aeration aerating can produce a large amount of bubbles, and foamy exists can influence the dissolving of oxygen to liquid especially; (2) oxygen-transfer efficiency is low, and in the bubble oxygenation was arranged, dissolved oxygen efficiency was controlled by the membrane resistance on the bubble interface, makes dissolved oxygen efficiency have only about 1/8 of foamless oxygen charging mode; (3) energy consumption is big, the running cost height.
Three, summary of the invention
At the defective of prior art, the utility model provide a kind of level of automation height, antiacid alkali, ageing-resistant, stable performance, cheap, energy consumption is low, can reduce processing cost, improve sewage treatment capacity, realize the diaphragm type oxygenate apparatus of foamless oxygen charging in the water treatment procedure.
A kind of diaphragm type oxygenate apparatus comprises foamless oxygen charging membrane module, liquid phase recycle pump group, air cycle pump group, film automated cycle scavenging pump group, electrical control gear, support and support; The foamless oxygen charging membrane module is fixed on the support by U bolt, and liquid phase recycle pump group, air cycle pump group and film automated cycle scavenging pump group all are installed on the support.
Described foamless oxygen charging membrane module is the core component of diaphragm type oxygenate apparatus, its profile is a round shape, be provided with some hydrophobic type hollow-fibre membranes in the tube, all fibres film silk two ends respectively with tube in internal end cover be connected with epoxy sealing, but the two ends blow-by of all fibres film silk hollow hole is to realize ventilation, the outer two ends up and down of tube are provided with outer end cap, with between sealing-ring and cylindrical shell the sealing and with cylindrical shell with being threaded to one, the foamless oxygen charging membrane module is provided with import and export and two air ports of two liquid in two ends up and down, and links to each other with air cycle pump group system pipeline with liquid phase recycle pump group system pipeline respectively; All foamless oxygen charging membrane modules all are fixed on the support by two U bolts up and down, and support is fixedlyed connected with support.
Described liquid phase recycle pump group is made up of residual sea water pump, magnetic valve, tensimeter, and residual sea water pump is fixed on the support, on its relief outlet pipeline magnetic valve and tensimeter is housed.
Described air cycle pump group is made up of air compressor pump, throttling valve, air processor, tensimeter, air compressor pump is fixed on the support, on the relief outlet pipeline of air compressor pump air processor is housed, by in the outlet behind the membrane module throttling valve being housed, in the air processor rear end and the throttling valve front end tensimeter is housed respectively.
Described film automated cycle scavenging pump group is made up of scavenging pump, check valve, magnetic valve, tensimeter, cleaning fluid tank and wash water valve, the scavenging pump group is installed on the cleaning fluid tank, cleaning fluid tank is fixed on the support, be provided with a dividing plate in the middle of the cleaning fluid tank, whole cleaning fluid tank space is divided into the imbibition chamber and returns liquid chamber two portions, wash water valve, liquidometer, cleaning window and respiratory organ also are housed on the cleaning fluid tank.
Described electrical control gear is made up of controlling box and electric elements case two portions, and controlling box is fixed on the top of device cleaning fluid tank, and tensimeter and some push buttons, pilot lamp and microcomputer controller are housed; The electric elements case is arranged in the support of support bottom, and power electric elements, PLC controller and electric prospection element are housed.
Innovative point of the present utility model mainly contains four aspects:
1, uses the gas delivery characteristic of macromolecule polypropylene tubular fibre hydrophobic membrane, airborne oxygen is separated out with nitrogen, hydrogen, carbonic acid gas etc., and nitrogen, hydrogen, carbon dioxide gas etc. are discharged in the atmospheric layer under the effect of pressure, oxygen then contacts with processed liquid through tunica fibrosa and dissolves in wherein, reaches the purpose to the liquid oxygenation.This oxygenation process is to carry out under the situation that does not produce bubble, it is different from other various aerators fully and must produces bubble and contact and the mode of oxygenation with liquid, therefore it has greatly improved the transfer efficiency of oxygen, the rate of transform of oxygen is brought up to 80-90%, and general blast aeration only is about 10%, improves oxygen-transfer efficiency more than 8 times.
2, the employing of the utility model novelty does not have bubble oxygenation technology, greatly improves dissolved oxygen rate, and use the aquaculture and the aeration tank that are suitable for the various depth of waters.In wastewater treatment, the active sludge that waste water refluxes bottom secondary sedimentation basins behind primary sedimentation pond enters the aeration tank simultaneously, by oxygenation, active sludge is suspended state, mud stirs evenly, and suspended solids in the waste water and gelatinoid are by activated sludge absorption, and dissolved organic matter is by the nutrition of the microorganism in the active sludge as self-reproduction, metabolic conversion is a biomass cells, and to be oxidized into final product (mainly be CO
2, SO
2, etc.), waste water is purified thus.Purify back waste water and in secondary sedimentation basins, separate, upper strata water outlet discharging with active sludge; A mud part of separating after concentrating is returned the aeration tank, and to guarantee keeping certain density active sludge in the aeration tank, all the other are excess sludge, are discharged by system.This makes, and activated sludge concentration can improve the volumetric loading of aeration tank greatly up to 4000 ~ 7000mg/l in the aeration tank.
3, the utility model adopts gas-liquid two-phase active movement type on the gas-liquid diversion Design, and the two-way gas-liquid counter current technology of interior pressure is to strengthen the gas-liquid exchange capacity and to improve gas-liquid dissolving intensity; The gas-liquid circulating pressure all adopts the lp system setting, reduces the mechanical movement loss, selects frequency-variable electronic and microcomputerized control for use, improve level of automation, reduce energy consumption to greatest extent, economize on electricity is more than 60%, reduce treatment operating costs, increase business economic benefit and social synthesis's benefit.
4, the utility model global design is divided into two kinds of self and complete set types according to its use occasion, the self design is that product collection air-seperation system itself, air circulation system, the liquid phase recycle system, power system, electric control system etc. are one, can independently implement the oxygenation operation, and can install concentratedly on ad hoc crane span structure and work to liquid.Complete set type is that product only is provided with the membrane module group and the liquid phase recycle system, utilizes the air blast pipe network airing system in the waste water treatment engineering to be this facilities air recycle system, adopts centralized Control, to be suitable for original sewage treatment project transformation.
The purpose of this utility model: the purpose of this patent product utility model is to use advanced in the world tubular fibre hydrophobic membrane material and air separation characteristic thereof, the membrane module that is applicable to foamless oxygen charging in industry and the sanitary sewage disposal is made in research by experiment, and then utilize this membrane module to form one as the air circulation system of air-seperation system design supporting, the liquid phase recycle system, power system, electric control system etc. with it, constitute a kind of complete diaphragm type oxygenate apparatus.Use this device in industry and the sanitary sewage disposal, realize the foamless oxygen charging of water treatment.
Diaphragm type oxygenate apparatus of the present utility model is realized by following measure:
Diaphragm type oxygenate apparatus structure and effect thereof:
The foamless oxygen charging membrane module: this assembly is the core component of diaphragm type oxygenate apparatus, and effect is with good conditionsily airborne oxygen is separated and to be dissolved in the liquid by it.
Liquid phase round-robin pump group system: its effect provides the processed liquid of certain flow and flow velocity from the aeration tank extraction and by sending the aeration tank back to after the membrane module oxygenation, realizes the circulation of liquid stream.Tensimeter wherein is used to monitor the liquid pump-in pressure; Magnetic valve is used to control the break-make of native system pipeline.
The pump group system of air cycle: its effect provides the air of certain flow and pressure by membrane module, realizes airflow circulation.Air processor wherein be used for to pressurized air filter, in case of necessity heating and store a certain amount of gas; Throttling valve is used to control, regulate the speed and the pressure of air-flow, keeps gas and supplies with technical parameter; Tensimeter is used to monitor the gas pump-in pressure.
The pump group system that the film automated cycle is cleaned: its effect provides the scavenging solution of certain pressure and flow by membrane module, realizes the wash cycles to membrane module inside and hollow-fibre membrane silk outside surface, to keep the good gas delivery characteristic of hollow-fibre membrane silk.Check valve wherein is used to avoid processed liquid to be strayed into the wash cycles system; Magnetic valve is used to control the break-make of native system pipeline; Liquid-storing box is used to store scavenging solution, and its inside is provided with dividing plate, and the partly precipitated thing that cleans out with blocking-up directly is cleaned pump and sucks and enter the recycle system once more.Its outside is provided with liquidometer, respiratory organ, wash water valve and cleaning window, to guarantee normal operation and blowdown, the maintenance etc. of this system; Tensimeter is used to monitor the scavenging solution pump-in pressure.
Electric control system: this system provides the automatization control of the pump group system operation that the pump group system of liquid phase round-robin pump group system, air cycle, film automated cycle are cleaned.It is divided into two portions in the diaphragm type oxygenate apparatus product, a part is provided with power electric elements, PLC controller and electric prospection element etc. in the bottom of device; A part is provided with tensimeter, push button, pilot lamp and microcomputer controller etc. on the top of device.These two portions are formed a complete electric automatization Controlling System.
Support and support: two effects are mainly played in this part in the diaphragm type oxygenate apparatus product, the one, for the pump group system of hollow fiber film assembly, liquid phase round-robin pump group system, air cycle, pump group system, the electric control system that the film automated cycle is cleaned provide installation, support platform, each system organically is connected and fixed, forms a complete system that works alone; The 2nd, constitute complete product, so that whole Transporting, installation and use.
Principle of work:
A, manually start the operation of each recycle system respectively: at first start the liquid phase recycle system, after treating to be full of processed liquid in the whole device, manually boot air circulation system again, observe gas inlet and outlet pressure, adjust force value by adjusting throttling valve, make the certain pressure difference of gaseous tension and liquid pressure maintenance and reach normal operation.Treat that device is after the operation certain period, can manually boot film automated cycle cleaning system, when starting this system, this device will stop the pump group of liquid phase round-robin pump group and air cycle automatically, and by closed electromagnetic valve liquid stream circulation line, open the detergent line of film automated cycle by magnetic valve simultaneously, enter automated cycle and clean state.But this system of manual-lock behind the cleaning certain hour makes whole device return to original state again.
B, operation automatically: press start button, the liquid phase recycle system enters running status, and about 3 minutes, air circulation system is opened operation automatically, the good gaseous tension of manual setting, and whole device enters normal operating condition.If when faults such as pressure rising, motor overload, line clogging appearred in system in normal course of operation, electrical system will be reported to the police and cut off the electricity supply automatically automatically, with assurance device safety.Generally speaking, in 24 hours, device keeps normal operation after 22 hours, microcomputer controller will be according to the pump group that automatic stop solution stream round-robin pump group and air cycle are set, and by closed electromagnetic valve liquid stream circulation line, open the detergent line of film automated cycle by magnetic valve simultaneously, enter automated cycle and clean state.Automatically clean and return to original state and automatic once more next working cycle after about 2 hours.
The beneficial effects of the utility model:
1) adopts the gas separation material of polymer polypropylene tubular fibre hydrophobic membrane as membrane module, its aperture 0.1 μ m, porosity 45-50%, air penetrability 7.0 * 10
-2Cm
3/ cm
2ScmHg, its intensity height, antiacid alkali, ageing-resistant, stable performance, cheap, the suitability for industrialized production of particularly suitable related products and the marketization of product are applied.
2) the utility model is used the foamless oxygen charging technology, can greatly improve the dissolved oxygen efficiency of processed liquid, helps accelerating art breading speed or improves the unit time treatment capacity, reduces processing cost, strengthens the performance of enterprises and social benefit.
3) the utility model adopts oxygen-enriched membrane oxygen-producing to follow loop systems and air circulation system mutually with low hydraulic fluid, and applied gas, liquid all do not have phase transition phenomena in operational process, thereby this product energy consumption is low, has saved working cost to greatest extent.
4) the utility model adopts gas-liquid two-phase active movement type on the gas-liquid diversion Design, and the two-way gas-liquid counter current technology of interior pressure has strengthened the gas-liquid exchange capacity and improved gas-liquid dissolving intensity, makes the present air aeration of liquid dissolved oxygen amount improve more than 8 times.
5) the utility model is provided with the film automatic cleaning system, but the film silk outside surface in the on-line auto-cleaning membrane module reduces the film pollution, realizes the continuity of liquid oxygen charging and the low cost movement of liquid treatment under the situation that continues maintenance film oxygen-transfer efficiency.
6) aspect electrical control, adopt micro computer automatization control, can further optimize the environment individual character of operational mode and operation, keep the stability of safe operation.As: the electric motor of the liquid phase recycle system adopts frequency-variable electronic control, can the pulsation running frequency be set according to the contaminated situation of hollow-fibre membrane, strengthens its resistant to pollution ability; Air circulation system adopts frequency-variable electronic control equally, to adjust flow by changing the motor revolution, realizes best oxidation effect.
7) the utility model global design is various informative, both can establish one's own system by independent installation and operation, again can with the supporting use of air blast pipe network airing system in original waste water treatment engineering, install air circulation system with original air-blast system as this, adopt centralized Control, original sewage treatment project is undergone technological transformation, both reduced the engineering fund input, improved sewage treatment capacity again and saved water treatment running cost.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that synoptic diagram is looked on a left side of the present utility model;
Fig. 3 is the three-dimensional connection diagram of membrane module in the utility model;
Fig. 4 is a fundamental diagram of the present utility model.
Wherein, 1, membrane module, 2, controlling box, 3, check valve, 4, scavenging pump, 5, cleaning fluid tank, 6, wash water valve, 7, support, 8, electric elements case, 9, air processor, 10, air compressor pump, 11, residual sea water pump, 12, magnetic valve, 13, support, 14, throttling valve, 18, flange, 19, liquidometer, 20, the cleaning window, 21, respiratory organ, 22, tensimeter, A, air ports, B, liquid entrance, C, liquid entrance, D, air ports.
Five, embodiment
Embodiment:
Structure of the present utility model comprises foamless oxygen charging membrane module 1, liquid phase recycle pump group, air cycle pump group, film automated cycle scavenging pump group, electrical control gear, support 7 and support 13 as shown in Figures 1 to 4; The foamless oxygen charging membrane module is fixed on the support 13 by U bolt, and liquid phase recycle pump group, air cycle pump group and film automated cycle scavenging pump group all are installed on the support 7.
Described foamless oxygen charging membrane module is the core component of diaphragm type oxygenate apparatus, its profile is a round shape, be provided with some hydrophobic type hollow-fibre membranes in the tube, all fibres film silk two ends respectively with tube in internal end cover be connected with epoxy sealing, but the two ends blow-by of all fibres film silk hollow hole is to realize ventilation, the outer two ends up and down of tube are provided with outer end cap, with between sealing-ring and cylindrical shell the sealing and with cylindrical shell with being threaded to one, two ends are provided with the import and export B of two liquid about the foamless oxygen charging membrane module, C and two air ports A, D, and link to each other with air cycle pump group system pipeline with liquid phase recycle pump group system pipeline respectively; All foamless oxygen charging membrane modules all are fixed on the support 13 by two U bolts up and down.
Described liquid phase recycle pump group is made up of residual sea water pump 11, magnetic valve 12, tensimeter 22, and residual sea water pump 11 is fixed on the support 7, and magnetic valve 12 and tensimeter 22 are housed on its relief outlet pipeline.
Described air cycle pump group is made up of air compressor pump 10, throttling valve 14, air processor and tensimeter 22, air compressor pump 10 is fixed on the support 7, on the relief outlet pipeline of air compressor pump 10 air processor is housed, by throttling valve 14 is housed in the outlet behind the membrane module, in the air processor rear end and the throttling valve front end tensimeter 22 is housed respectively.
Described film automated cycle scavenging pump group is made up of scavenging pump 4, check valve 3, magnetic valve 12, tensimeter 22, cleaning fluid tank 5 and wash water valve 6, scavenging pump is installed on the cleaning fluid tank 5 for 4 groups, cleaning fluid tank 5 is fixed on the support 7, be provided with a dividing plate in the middle of the cleaning fluid tank 5, whole cleaning fluid tank space is divided into the imbibition chamber and returns liquid chamber two portions, wash water valve 6, liquidometer 19, cleaning window 20 and respiratory organ 21 also are housed on the cleaning fluid tank 5.
Described electrical control gear is made up of controlling box 2 and electric elements case 8 two portions, and controlling box 2 is fixed on the top of device cleaning fluid tank, and tensimeter 22 and some push buttons, pilot lamp and microcomputer controller are housed; Electric elements case 8 is arranged in the support bottom support 7, and power electric elements, PLC controller and electric prospection element are housed.
Claims (6)
1. a diaphragm type oxygenate apparatus is characterized in that, comprises foamless oxygen charging membrane module, liquid phase recycle pump group, air cycle pump group, film automated cycle scavenging pump group, electrical control gear, support and support; The foamless oxygen charging membrane module is fixed on the support by U bolt, and liquid phase recycle pump group, air cycle pump group and film automated cycle scavenging pump group all are installed on the support.
2. diaphragm type oxygenate apparatus as claimed in claim 1, it is characterized in that, described foamless oxygen charging membrane module is the core component of diaphragm type oxygenate apparatus, its profile is a round shape, be provided with some hydrophobic type hollow-fibre membranes in the tube, all fibres film silk two ends respectively with tube in internal end cover be connected with epoxy sealing, but the two ends blow-by of all fibres film silk hollow hole is to realize ventilation, the outer two ends up and down of tube are provided with outer end cap, with between sealing-ring and cylindrical shell the sealing and with cylindrical shell with being threaded to one, the foamless oxygen charging membrane module is provided with import and export and two air ports of two liquid in two ends up and down, and links to each other with air cycle pump group system pipeline with liquid phase recycle pump group system pipeline respectively; All foamless oxygen charging membrane modules all are fixed on the support by two U bolts up and down, and support is fixedlyed connected with support.
3. diaphragm type oxygenate apparatus as claimed in claim 1 is characterized in that, described liquid phase recycle pump group is made up of residual sea water pump, magnetic valve, tensimeter, and residual sea water pump is fixed on the support, on its relief outlet pipeline magnetic valve and tensimeter is housed.
4. diaphragm type oxygenate apparatus as claimed in claim 1, it is characterized in that, described air cycle pump group is made up of air compressor pump, throttling valve, air processor, tensimeter, air compressor pump is fixed on the support, on the relief outlet pipeline of air compressor pump air processor is housed, by in the outlet behind the membrane module throttling valve being housed, in the air processor rear end and the throttling valve front end tensimeter is housed respectively.
5. diaphragm type oxygenate apparatus as claimed in claim 1, it is characterized in that, described film automated cycle scavenging pump group is made up of scavenging pump, check valve, magnetic valve, tensimeter, cleaning fluid tank and wash water valve, the scavenging pump group is installed on the cleaning fluid tank, cleaning fluid tank is fixed on the support, be provided with a dividing plate in the middle of the cleaning fluid tank, whole cleaning fluid tank space is divided into the imbibition chamber and returns liquid chamber two portions, wash water valve, liquidometer, cleaning window and respiratory organ also are housed on the cleaning fluid tank.
6. diaphragm type oxygenate apparatus as claimed in claim 1, it is characterized in that, described electrical control gear is made up of controlling box and electric elements case two portions, and controlling box is fixed on the top of device cleaning fluid tank, and tensimeter and some push buttons, pilot lamp and microcomputer controller are housed; The electric elements case is arranged in the support of support bottom, and power electric elements, PLC controller and electric prospection element are housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200192416U CN201021441Y (en) | 2007-03-09 | 2007-03-09 | Film oxygen charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200192416U CN201021441Y (en) | 2007-03-09 | 2007-03-09 | Film oxygen charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201021441Y true CN201021441Y (en) | 2008-02-13 |
Family
ID=39088855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200192416U Expired - Fee Related CN201021441Y (en) | 2007-03-09 | 2007-03-09 | Film oxygen charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201021441Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241431A (en) * | 2010-09-27 | 2011-11-16 | 中国人民解放军总装备部航天医学工程研究所 | Oxygen supply device for space wastewater treatment |
| CN102826652A (en) * | 2012-01-13 | 2012-12-19 | 北京海思清膜科技有限公司 | Inner-aeration hollow fiber film carrier module and its application method |
| CN103130319A (en) * | 2013-04-03 | 2013-06-05 | 河北联合大学 | Aeration carrier and biological sewage treatment device with the same |
| US20210371280A1 (en) * | 2017-02-24 | 2021-12-02 | California Institute Of Technology | Method for Splitting Carbon Dioxide into Molecular Oxygen and Carbon |
-
2007
- 2007-03-09 CN CNU2007200192416U patent/CN201021441Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241431A (en) * | 2010-09-27 | 2011-11-16 | 中国人民解放军总装备部航天医学工程研究所 | Oxygen supply device for space wastewater treatment |
| CN102826652A (en) * | 2012-01-13 | 2012-12-19 | 北京海思清膜科技有限公司 | Inner-aeration hollow fiber film carrier module and its application method |
| CN103130319A (en) * | 2013-04-03 | 2013-06-05 | 河北联合大学 | Aeration carrier and biological sewage treatment device with the same |
| US20210371280A1 (en) * | 2017-02-24 | 2021-12-02 | California Institute Of Technology | Method for Splitting Carbon Dioxide into Molecular Oxygen and Carbon |
| US11958741B2 (en) * | 2017-02-24 | 2024-04-16 | California Institute Of Technology | Method for splitting carbon dioxide into molecular oxygen and carbon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 Termination date: 20100309 |