CN201512466U - Mobile device capable of effectively collecting and disposing of algae pollutants - Google Patents
Mobile device capable of effectively collecting and disposing of algae pollutants Download PDFInfo
- Publication number
- CN201512466U CN201512466U CN2009201116368U CN200920111636U CN201512466U CN 201512466 U CN201512466 U CN 201512466U CN 2009201116368 U CN2009201116368 U CN 2009201116368U CN 200920111636 U CN200920111636 U CN 200920111636U CN 201512466 U CN201512466 U CN 201512466U
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- Prior art keywords
- algae
- algae slurry
- communicated
- slurry
- flocculation
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- Expired - Lifetime
Links
- 241000195493 Cryptophyta Species 0.000 title claims abstract description 126
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 13
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000003475 lamination Methods 0.000 claims abstract description 7
- 239000010802 sludge Substances 0.000 claims abstract description 3
- 238000005189 flocculation Methods 0.000 claims description 27
- 230000016615 flocculation Effects 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000012545 processing Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 4
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 abstract description 6
- 239000008239 natural water Substances 0.000 abstract description 6
- 238000003756 stirring Methods 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000006748 scratching Methods 0.000 abstract 2
- 230000002393 scratching effect Effects 0.000 abstract 2
- 239000012065 filter cake Substances 0.000 abstract 1
- 230000018044 dehydration Effects 0.000 description 13
- 238000006297 dehydration reaction Methods 0.000 description 13
- 241000192700 Cyanobacteria Species 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000012851 eutrophication Methods 0.000 description 4
- 239000003619 algicide Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 230000005791 algae growth Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility discloses a mobile device capable of effectively collecting and disposing of algae pollutants, which comprises an algae slurry scratching and absorbing device (1), an algae slurry conveying pump (2), a floccule stirring groove (3), an algae slurry dehydrator (5), an after-treatment device (6) and an algae slurry feedback pump (7); the algae slurry conveying pump, the floccule stirring groove, the algae slurry dehydrator and the algae slurry feedback pump are in closed-loop connection in sequence according to the process sequence, and are integrated on mechanical equipment with a power supply device (9) and a control device (8), the output pipe of the algae slurry conveying pump (2) is communicated with the floccule stirring groove (3) which is communicated with the algae slurry dehydrator (5), the lower part of the algae slurry dehydrator is connected with the after-treatment device (6) which is communicated with the suction inlet of the algae slurry feedback pump (7), of which the outlet is communicated with the floccule stirring groove, and the algae slurry scratching and absorbing device (1) is communicated with the suction pipe of the algae slurry conveying pump (2). The utility model adopts a lamination screw propelling dehydrator, also known as a laminated screw sludge dehydrator. As the screw rotates, laminated pieces rotate relatively and move spirally forwards, thereby enabling filtrate to be filtered quickly in a shearing manner through clearances among the spirally forwarding laminated pieces; as the spiral cavity consistently contracts, the internal pressure increases, and under the action of pressure multiplying, the water content of filter cakes drops quickly, the filtrate flows out continuously, and algae slurry is dehydrated and reduced to mud. After the separation, the water is clean and can be discharged into rivers and lakes, without contaminating natural water bodies.
Description
Technical field
The utility model belongs to the natural water technical field of sewage treatment equipment, is specifically related to a kind of movable device for effectively collecting and processing algae pollutant that is suitable for lake, river eutrophication pollution thing blue alga clearing and the dehydration of algae slurry.
Background technology
Human excessive development and use to environmental resources, a large amount of sanitary sewages and trade effluent just enter natural water without effective processing, and eutrophication is on the rise.Eutrophication water is under illumination and suitable water temperature, condition such as distinguished and admirable, and blue-green algae can grow rapidly in a large number, forms one deck " blueness " and the floating foam of strong stench flavor, i.e. " wawter bloom " are arranged on the water surface.The outburst of blue-green algae has consumed dissolved oxygens a large amount of in the water, has destroyed the balance of water ecosystem, and the algae toxin that algae is decomposed might constitute serious threat to existent environment of people.
The existing technology of removing blue-green algae " wawter bloom " mainly contains: special-purpose algicide, filter screen salvaging, biological treating and ecological management etc.Special-purpose algicide is better to local water body treating effect, but is difficult to keep the long period, behind the general two weeks to month, need dosing again again, for improvement, have the high problem of running cost, and algicide easily causes secondary pollution to water body than water body in large.Filter screen is salvaged the manual types that adopt more, concerning water body in large, exists salvaging speed to be unable to catch up with blue algae growth speed especially, and cost of labor is high.Biological treating still is in conceptual phase, does not also have the successful case of practical application at present.Ecological management is then because responding time is oversize, is difficult in the short period of time control and alleviates the eutrophication of water body and do not reach regulation effect substantially, and easily form vicious cycle.Simultaneously ecological management is a comprehensive secular engineering, invest excessively, be difficult to carry out, and the very difficult outburst of containing blue-green algae at short notice.At present, occur some and adopted the blue algae collecting device that blue-green algae is pumped on the ship, utilized plate-and-frame filter press, belt filter press to dewater, will be transported to the method that secondary treatment is carried out on land after the dried algae mud pack after the dehydration.The more aforesaid several method of this method improves greatly to the elimination efficiency of blue-green algae " wawter bloom ".But because the design of present blue algae collecting device is unreasonable, collecting effect is still undesirable, and plate-and-frame filter press exists during to the dehydration of algae slurry, and dehydration is discontinuous, filter cloth stops up easily; Belt filter press is difficult to remove the moisture in the algae mud, the also easy blocking problem of filter cloth, and also water ratio is still high to more than 90% in the final algae mud, causes the total system operational efficiency very low, and running cost is higher, and the user is unwilling to use.No matter present alga removing ship is homemade or import, all is to scrape by hull bottom water surface blue-green algae to inhale device and collect the algae slurry and enter Chuan Cang, and the algae slurry for the treatment of the ship storehouse stores and is transported to storage algae pond, bank again after full.The modified version alga removing ship that has has also used cloth bag filtration or planar cloth filter technology tentatively to concentrate the algae slurry, but is that rare algae slurry or dense algae slurry all exist transportation of algae slurry and post-processed problem.Because blue-green algae will soon be dead after leaving water body, a large amount of foul smell, contaminate environment also can be distributed in storage algae pond.Up to now, algae slurry collect, post-processed and utilize still a very stubborn problem again.Domestic a lot of R﹠D institution also manufactured experimently alga removing ship, and water extracter (belt water extracter) is moved on the ship, moved dehydration.But because the conventional dehydration machine can not be directly dewater to the lower algae slurry of concentration, and 1 ton of dried algae mud energy consumption of conventional dehydration machine production is more than 15KW, and vehicular power generation can not be satisfied the energy consumption demand, makes production cost too high, is difficult to apply.For this reason, the design people has developed a kind of movable device for effectively collecting and processing algae pollutant through concentrating on studies for a long time, evidence, and effect is good.
The utility model content
It is a kind of simple in structure that the purpose of this utility model is to provide, and technical process is stable, integrates the movable device for effectively collecting and processing algae pollutant that collection, algae mud are dewatered.
The purpose of this utility model is achieved in that and comprises that algae slurry scrapes the suction device, algae slurry transferpump, the flocculation steel basin, algae slurry water extracter, after-treatment device, the algae slurry feeds back pump, described algae slurry transferpump, the flocculation steel basin, algae slurry water extracter, algae slurry feedback pump is pressed the process sequence closed loop successively and is connected also and electric supply installation, control device together integrating device on motor device, the output tube that is algae slurry transferpump is communicated with the flocculation steel basin, the flocculation steel basin is communicated with algae slurry water extracter, connect after-treatment device under the algae slurry water extracter, after-treatment device is communicated with algae slurry reflux pump suction port, and algae slurry reflux pump relief outlet is communicated with the flocculation steel basin; The algae slurry is scraped the suction device and is communicated with by pipeline and algae slurry transferpump tail pipe.
The utility model adopts stacked screw rod thrust water extracter, also claim the overlapping screwed sludge dewatering equipment machine, when screw rod rotates, relatively rotate and the volution lamination of pushing ahead, make filtrate " shearings " filtration fast in the lamination gap of spiral reach, the continuous contraction of spiral chamber volume, press in making and increase, cake moisture reduces fast under the multiplication of voltage effect, and filtrate is flowed out continuously, and the dehydration of algae slurry is condensed into mud.Water quality after the separation is limpid, enters rivers and lakes, avoids natural water is polluted.
Description of drawings
Accompanying drawing is the synoptic diagram that concerns of each combiner of the utility model.
Among the figure, 1-algae slurry is scraped and is inhaled device, 2-algae slurry transferpump, the 3-steel basin that flocculate, 4-flocculation agent filling apparatus, 5-algae slurry water extracter, 6-after-treatment device, 7-algae slurry feedback pump, 8-control device, 9-electric supply installation.
Embodiment
As shown in the figure, the utility model comprises that algae slurry is scraped and inhales device 1, algae slurry transferpump 2, flocculation steel basin 3, algae slurry water extracter 5, after-treatment device 6, the algae slurry feeds back pump 7, described algae slurry transferpump 2, flocculation steel basin 3, algae slurry water extracter 5, algae slurry feedback pump 7 is pressed the process sequence closed loop successively and is connected also and electric supply installation 9, control device 8 together integrating device on motor device, the output tube that is algae slurry transferpump 2 is communicated with flocculation steel basin 3, flocculation steel basin 3 is communicated with algae slurry water extracter 5, algae slurry water extracter connects after-treatment device 65 times, after-treatment device 6 is communicated with algae slurry reflux pump 7 suction ports, and algae slurry reflux pump 7 relief outlets are communicated with flocculation steel basin 3; The algae slurry is scraped suction device 1 and is communicated with by pipeline and algae slurry transferpump 2 tail pipes.
Described motor device is powership or Motor vehicles.
Described powership or vehicle set electric supply installation 9, electric supply installation 9 can be diesel oil, gasoline or device of solar generating.
The top of described flocculation steel basin 3 is provided with flocculation agent filling apparatus 4, is used for to soups such as flocculation steel basin 3 quantitative interpolation flocculation agents.
Described algae slurry water extracter 5 is stacked screw rod thrust water extracter, along multiple fixing, the movable lamination of spiral on the screw rod outer marginal circumference.When the rotation of a group or more screw rod, relatively rotate and lamination that volution is pushed ahead, make filtrate " shearings " filtration fast in the lamination gap of spiral reach; The continuous contraction of spiral chamber volume presses in making to increase, and cake moisture reduces fast under the multiplication of voltage effect, and filtrate is flowed out continuously, and the dehydration of algae slurry is condensed into mud.
Described stacked screw rod thrust water extracter is single screw rod, twin screw or multiscrew thrust water extracter.
Described after-treatment device is a water treatment device, comprises filter cloth filtration unit, air-floating apparatus or membrane filter appts etc., selects the wherein combination of one or more modes for use according to the type difference of various places algae water.The water that water extracter is deviate from also contains a spot of suspension algae, needs after-treatment device to be handled, and the water quality after the processing is better than raw water quality, directly backflows into natural water, and remaining algae slurry is pumped back flocculation steel basin 3 and carries out the secondary circulation processing.
Working process of the present utility model:
The a whole set of treatment unit of the utility model is moved to the polluted waters of blue algae bloom, the algae slurry is scraped the suction device to be positioned on the pollution water surface, opening algae slurry transferpump 2 scrapes the algae slurry and inhales during device is pumped into through the algae slurry, pre-configured soup in the flocculation agent filling apparatus is added flocculation steel basin 3 in the processing requirement ratio, the liquid of finishing after the flocculation stirring technique is handled is imported in the algae slurry water extracter 5, goes in the after-treatment device through filter cloth filtration, air supporting or/and further concentrate behind the membrane filtration and isolate clear water and directly discharge through the rare algae mudflow after the processed; Residual slurries are carried once more in the flocculation steel basin 3 by algae slurry feedback pump 7 and are carried out secondary treatment; The algae mud of algae slurry water extracter 5 dehydration and dryings is collected or is utilized as organic fertilizer after organic process again.
Test examples:
Test site: Kunming Dianchi lake waters.The utility model device is the miniature movable type testing installation, directly extracts lake water surface algae slurry and enters in the utility model device and dewater algae slurry input 2m
3/ hr produces algae mud amount 80kg/hr, algae mud water content
＜85%, handle the back effluent quality through integration apparatus and see the following form:
Water quality environmental protection index synopsis before and after handling
As seen, except that no longer infiltration of dehydration algae mud extruding behind the algae, can conveniently pack transportation through the utility model, algae is starched the water of deviating from and not only is better than the algae pulp-water after treatment, and is better than lake water.
Characteristics of the present utility model:
1, the utility model has solved the problem of mobile power supply, and energy consumption is extremely low. Per hour to process 20m3The utility model treating apparatus of water-surface blue-green algae slurry is example, only needs 1.2KW, is 1/15～1/30 of prior art. Produce below 1 ton of algae mud power consumption, 1 degree, and prior art needs power consumption 15～35 degree. This is so that mobile power supply has feasibility, can both satisfy the demand with gasoline, diesel oil power supply unit even with solar power supply unit, has solved in the energy resource supply problem away from the natural water area operation of commercial power supply.
2, the utility model can directly extract " wawter bloom " of rivers and lakes---and directly the algae slurry is carried out filtering means dehydration, need not to increase the prime enrichment facility.
3, moisture algae slurry more than 99.5% is dewatered to moisture 80～85% dense algae mud, can directly pack transportation, no longer infiltration, and can be used for marsh gas power generation, and produce fertilizer or novel fodder, not only do not produce secondary pollution, and turn waste into wealth.
That 4, has improved mobile alga removing ship greatly removes algae and carrying capacity.The prior art alga removing ship can only be collected moisture at the slurry of the algae more than 99%, empties in case promptly must be transported to the bank after the collection of algae slurry is bought securities with all one's capital, and has a strong impact on working efficiency.What the utility model alga removing ship was collected is dehydration algae mud, and the algae slurry has been processed into behind the algae mud volume-diminished 40 times, has both handled supporting capacity and has improved more than 40 times, and working efficiency improves greatly, and the cost of removing blue-green algae is reduced significantly.
5, the utility model can not only be made the boat-carrying formula, also can make vehicular, also can carry out upgrading to the prior art alga removing ship, improves the algae ability of removing.
Claims (7)
1. movable device for effectively collecting and processing algae pollutant, comprising that algae slurry is scraped inhales device (1), algae slurry transferpump (2), flocculation steel basin (3), algae slurry water extracter (5), after-treatment device (6), the algae slurry feeds back pump (7), described algae slurry transferpump (2), flocculation steel basin (3), algae slurry water extracter (5), algae slurry feedback pump (7) is pressed the process sequence closed loop successively and is connected also and electric supply installation (9), control device (8) together integrating device on motor device, it is characterized in that: the output tube of algae slurry transferpump (2) is communicated with flocculation steel basin (3), flocculation steel basin (3) is communicated with algae slurry water extracter (5), connect after-treatment device (6) under the algae slurry water extracter (5), after-treatment device (6) is communicated with algae slurry reflux pump (7) suction port, and algae slurry reflux pump (7) relief outlet is communicated with flocculation steel basin (3); The algae slurry is scraped suction device (1) and is communicated with algae slurry transferpump (2) tail pipe.
2. movable device for effectively collecting and processing algae pollutant as claimed in claim 1 is characterized in that: described motor device is powership or Motor vehicles.
3. movable device for effectively collecting and processing algae pollutant as claimed in claim 1 or 2 is characterized in that: described motor device is provided with electric supply installation (9), and electric supply installation (9) can be diesel oil, gasoline or device of solar generating.
4. movable device for effectively collecting and processing algae pollutant as claimed in claim 1 is characterized in that: the top of described flocculation steel basin (3) is provided with flocculation agent filling apparatus (4).
5. movable device for effectively collecting and processing algae pollutant as claimed in claim 1, it is characterized in that: described algae slurry water extracter (5) is stacked screw rod thrust water extracter, also claim the overlapping screwed sludge dewatering equipment machine, along multiple fixing, the movable lamination of spiral on the screw rod outer marginal circumference.
6. movable device for effectively collecting and processing algae pollutant as claimed in claim 5 is characterized in that: described stacked screw rod thrust water extracter is single screw rod, twin screw or multiscrew thrust water extracter.
7. movable device for effectively collecting and processing algae pollutant as claimed in claim 1, it is characterized in that: described after-treatment device (6) is a water treatment device, comprises the combination of one or more devices in filter cloth filtration unit, air-floating apparatus or the membrane filter appts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201116368U CN201512466U (en) | 2009-07-08 | 2009-07-08 | Mobile device capable of effectively collecting and disposing of algae pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201116368U CN201512466U (en) | 2009-07-08 | 2009-07-08 | Mobile device capable of effectively collecting and disposing of algae pollutants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201512466U true CN201512466U (en) | 2010-06-23 |
Family
ID=42483873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201116368U Expired - Lifetime CN201512466U (en) | 2009-07-08 | 2009-07-08 | Mobile device capable of effectively collecting and disposing of algae pollutants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201512466U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771605A (en) * | 2014-02-13 | 2014-05-07 | 天津市水利科学研究院 | Onboard micro-filtration algae removal system and algae removal method |
| CN107162277A (en) * | 2017-07-13 | 2017-09-15 | 常州市清水碧波环保科技有限公司 | Vehicular algae moisture is leaving from station, algae water separating method and algae water separating trolley |
| CN110857231A (en) * | 2018-08-24 | 2020-03-03 | 伟泰科技（无锡）有限公司 | Algae-laden water separation modular expansion system |
-
2009
- 2009-07-08 CN CN2009201116368U patent/CN201512466U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771605A (en) * | 2014-02-13 | 2014-05-07 | 天津市水利科学研究院 | Onboard micro-filtration algae removal system and algae removal method |
| CN107162277A (en) * | 2017-07-13 | 2017-09-15 | 常州市清水碧波环保科技有限公司 | Vehicular algae moisture is leaving from station, algae water separating method and algae water separating trolley |
| CN110857231A (en) * | 2018-08-24 | 2020-03-03 | 伟泰科技（无锡）有限公司 | Algae-laden water separation modular expansion system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Space Aqua Tech Co., Ltd. Assignor: Dai Qun|Zhou Ke Contract record no.: 2012530000009 Denomination of utility model: Movable device for effectively collecting and processing algae pollutant Granted publication date: 20100623 License type: Exclusive License Record date: 20120413 |
|
| ASS | Succession or assignment of patent right |
Owner name: KUNMING SPACE AQUA TECHNOLOGY ENGINEERING CO., LTD Free format text: FORMER OWNER: DAI QUN Effective date: 20140311 Free format text: FORMER OWNER: ZHOU KE Effective date: 20140311 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140311 Address after: 650224 Yunnan city of Kunming province in Jin Road No. 723 Building No. 1 Kunming Electrical Factory Patentee after: Space Aqua Tech Co., Ltd. Address before: 650224 Yunnan city of Kunming province in Jin Road No. 723 Building No. 1 Kunming Electrical Factory Patentee before: Dai Qun Patentee before: Zhou Ke |
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| DD01 | Delivery of document by public notice |
Addressee: Jiang Lihong Document name: Notification of Passing Examination on Formalities |
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| CX01 | Expiry of patent term |
Granted publication date: 20100623 |
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| CX01 | Expiry of patent term | ||
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Addressee: Space Aqua Tech Co., Ltd. Document name: Notification of Expiration of Patent Right Duration |
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| DD01 | Delivery of document by public notice |