CN106890490A - A kind of device for separating algae and water - Google Patents
A kind of device for separating algae and water Download PDFInfo
- Publication number
- CN106890490A CN106890490A CN201710171748.1A CN201710171748A CN106890490A CN 106890490 A CN106890490 A CN 106890490A CN 201710171748 A CN201710171748 A CN 201710171748A CN 106890490 A CN106890490 A CN 106890490A
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- China
- Prior art keywords
- algae
- chamber
- water
- water tank
- floating cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000195493 Cryptophyta Species 0.000 title claims abstract description 115
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 241000192700 Cyanobacteria Species 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- SRUWWOSWHXIIIA-UKPGNTDSSA-N Cyanoginosin Chemical compound N1C(=O)[C@H](CCCN=C(N)N)NC(=O)[C@@H](C)[C@H](C(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](C)NC(=O)C(=C)N(C)C(=O)CC[C@H](C(O)=O)N(C)C(=O)[C@@H](C)[C@@H]1\C=C\C(\C)=C\[C@H](C)[C@@H](O)CC1=CC=CC=C1 SRUWWOSWHXIIIA-UKPGNTDSSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 201000007270 liver cancer Diseases 0.000 description 1
- 208000014018 liver neoplasm Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 108010067094 microcystin Proteins 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of device for separating algae and water, including algae water tank, trash separator, Algae absorbing device, agitator, rich algae collecting tank and vavuum pump.Trash separator and Algae absorbing device are arranged at the top of algae water tank, and agitator is disposed there between.Rich algae collecting tank is connected by discharge nozzle with discharging opening, and vavuum pump is connected with rich algae collecting tank.Trash separator includes first chamber and second chamber, and dividing plate is provided between first chamber and second chamber, and the first filter screen for causing that first chamber is connected with second chamber is provided with the top of dividing plate.Trash separator also includes the first motor, blade and axle, and blade is connected on axle and stretches into first chamber.Algae absorbing device includes telescoping tube and floating cover, and the upper end of telescoping tube is connected with discharge nozzle, and its lower end is connected with floating cover, and the bottom sidewall of floating cover is provided with multiple notches.The present invention is not only simple in structure, simple operation, can freely be stretched according to the change of algae water level without using flocculant, and Algae absorbing device.
Description
Technical field
The present invention relates to algae water separation equipment technical field, more particularly to a kind of device for separating algae and water.
Background technology
Blue-green algae is prokaryotes, also referred to as blue-green alge or cyanobacteria, is grown in some nutritious water bodys.Due to blue-green algae
It is difficult to digest, so many fish do not eat, cause part blue-green algae often to form " wawter bloom " or even " green tide " in summer amount reproduction, draw
Body eutrophication is played, water oxygen can be exhausted when serious and be caused the death of fish；Meanwhile, some blue-green algaes can also produce induction
The Microcystin of liver cancer.Because these endanger, research blue-green algae administering method and development abatement equipment turn into the one of environmental administration
Individual important process task.At present, blue-green algae administering method is various, such as salvages in time, mends anti-fingerling.
Many in the prior art to administer blue-green algae using flocculent precipitation, this processing method is needed to adding flocculation in water body
Agent, and flocculant is easy to cause the rupture of Cells of Blue-green Algae, part algae can discharge substantial amounts of algae in the case of cell rupture
Toxin.The blue-green algae of prior art at least has the following disadvantages with the separator of water：
1) flocculant is needed to use, secondary hazards can be caused to water body, separating effect is less desirable；
2) the suction algae pipe position of Algae absorbing device is fixed, non-telescoping, control is had in actual use and is passed through algae water
Flow of inlet water so that algae water level in water tank fixes water level in one, and water level is too high or too low can not to be taken out to algae
Take, this brings very big inconvenience to actual use.
The content of the invention
For the above mentioned problem of prior art, it is an object of the invention to provide a kind of device for separating algae and water,
The device is not only simple in structure, simple operation, can freely be stretched according to the change of algae water level without using flocculant, and Algae absorbing device
Contracting.
In order to solve the above-mentioned technical problem, the technical solution used in the present invention is：
A kind of device for separating algae and water, includes algae water tank, trash separator, Algae absorbing device, agitator, rich algae and collects
Tank and vavuum pump, the trash separator are arranged on the top of the algae water tank side and are connected with the charging aperture of the algae water tank, institute
State Algae absorbing device to be arranged on the top of the algae water tank opposite side and connected with the discharging opening of the algae water tank, the agitator is set
Between the trash separator and Algae absorbing device, the rich algae collecting tank is connected by discharge nozzle with the discharging opening, the vavuum pump
Be connected to the rich algae collecting tank so that the rich algae collecting tank be in negative pressure state,
The trash separator includes first chamber and second chamber, and dividing plate is provided between the first chamber and second chamber, and
The first filter screen for causing that the first chamber is connected with second chamber, the first chamber and institute are provided with the top of the dividing plate
The feed pipe connection of separator is stated, the second chamber is connected with the charging aperture of the separator,
The trash separator also includes the first motor, blade and axle, and first motor is arranged on the upper of the first chamber
Portion, one end of the axle is stretched into the first chamber and is connected with the blade with described its other end of first motor connection,
The Algae absorbing device includes telescoping tube and floating cover, and the telescoping tube is subject to the buoyancy retractable of water, described
The upper end of telescoping tube is connected with the discharge nozzle, and its lower end is connected with the floating cover, and the bottom sidewall of the floating cover is provided with multiple
Notch.
Preferably, the vavuum pump is water ring vacuum pump.
Further, the lower end of the telescoping tube is connected with suction line, and the floating enclosure is located at outside the suction line, and institute
State suction line and stretch out the outer certain length of the floating cover.
Further, described agitator includes the second motor, agitating shaft and paddle, one end of the agitating shaft and institute
State the second motor to be connected, its other end stretches into the algae water tank, and the paddle is arranged on the other end of the agitating shaft.
Further, the paddle is two-stage setting, and the structure of two-stage paddle is different.
A kind of device for separating algae and water of the invention, has the advantages that：
1) trash separator includes first chamber and second chamber, is provided with first chamber for crushing large granular impurity in algae water
Blade, and first chamber connected with second chamber by the first filter screen.Algae water first passes around the first chamber of trash separator, wherein
Impurity crushed by the blade in first chamber, then algae water is then passed through the first filter screen and enters second chamber, big in algae water
The debris of grain have been trapped within the first filter screen.
2) rich algae collecting tank is connected with water ring vacuum pump, it is ensured that the absorption of the algae of algae water tank upper enrichment, collects effect
Rate is high.
3) Algae absorbing device can freely adjust height according to the height of different liquid levels in algae water tank, and can accurately by Algae absorbing device
Entrance point control in algae, improve the follow-up utilization ratio of algae.
4) paddle of agitator of the present invention is set using two-stage, and the structure type of two-stage paddle is different, stirring effect
It is really good, enhance the separating effect of algae water.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, below will be to being wanted needed for embodiment or description of the prior art
The accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Its accompanying drawing.
Fig. 1 is a kind of structural representation for separating algae and the device of water of the embodiment of the present invention；
In figure：1- algae water tanks, 2- trash separators, 3- Algae absorbing devices, 4- agitators, 5- richness algae collecting tanks, 6- vavuum pumps, 7- dischargings
Pipe, 8- feed pipes, 11- charging apertures, 12- discharging openings, 21- first chambers, 22- second chambers, 23- dividing plates, the filter screens of 24- first,
The motors of 25- first, 26- axles, 27- blades, 31- telescoping tubes, the floating covers of 32-, the motors of 41- second, 42- agitating shafts, 43- paddles.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " on ", D score, "left", "right", " interior ", " outward " etc. indicate
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and simplification retouch
State, rather than indicate imply signified device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
Specific embodiment
Fig. 1 is referred to, a kind of its structural representation for separating algae and the device of water for showing the present embodiment, by
Figure understands that the device of the present embodiment includes algae water tank 1, trash separator 2, Algae absorbing device 3, agitator 4, rich algae collecting tank 5 and vacuum
Pump 6.
The trash separator 2 is used to remove the impurity in the algae water for initially entering algae water tank 1.The trash separator 2 is arranged on described
The top in the left side of algae water tank 1 simultaneously connects with the charging aperture 11 of the algae water tank 1.
The Algae absorbing device 3 is arranged on the top on the right side of the algae water tank 1 and is connected with the discharging opening 12 of the algae water tank 1.
The agitator 4 is arranged between the trash separator 2 and Algae absorbing device 3, and algae water tank is caused by the stirring of agitator 4
Blue-green algae is stirred to the water surface in 1, and then is siphoned away by Algae absorbing device 3, so as to realize the separation of blue-green algae.
The rich algae collecting tank 5 is connected by discharge nozzle 7 with the discharging opening 12, and the vavuum pump 6 is received with the rich algae
Collection tank 5 is connected to so that the rich algae collecting tank 5 is in negative pressure state.
The trash separator 2 includes first chamber 21 and second chamber 22, and 22 set between the first chamber 21 and second chamber
There is dividing plate (23), and the first filter that the first chamber 21 is connected with second chamber 22 is provided with the top of the dividing plate 23
Net 24, the first chamber 21 is connected with the feed pipe 8 of the separator, the second chamber 22 and the separator
Charging aperture 11 connect.
The trash separator 2 also includes the first motor 25, blade 27 and axle 26, and first motor 25 is arranged on described first
The top of chamber 21, one end of the axle 26 be connected with first motor 25 its other end stretch into the first chamber 21 and with
The blade 26 is connected.
Algae water to be separated is entered the first chamber 21 of trash separator 2 by feed pipe 8, and is arranged on the first chamber 21
The effect of the shearing force that interior rotation rotates and produces, the large granular impurity in algae water is broken.Due to first chamber 21 with enter
Do not connected directly between material mouth 11, separated by dividing plate 23, the algae water in first chamber has to pass through the first filter screen 24 and enters second
Algae water tank 1 is entered back into after chamber 22.When algae water is by the first filter screen 24, wherein pulverized impurity is blocked by the first filter screen 24
Cut.
The Algae absorbing device 3 includes telescoping tube 31 and floating cover 32, and the telescoping tube 31 can freely be stretched by the buoyancy of water
Contracting, the upper end of the telescoping tube 31 is connected with the discharge nozzle 7, and its lower end is connected with the floating cover 32, the bottom of the floating cover 32
Portion side wall is provided with multiple notches.
As one kind preferred embodiment, the vavuum pump 6 is water ring vacuum pump.
As a further improvement, the lower end of the telescoping tube 31 is connected with suction line (being not drawn into figure), the floating cover
32 are set in outside the suction line, and the suction line stretches out 32 outer certain lengths of the floating cover, and the suction line is hard tube.
Described agitator 4 includes the second motor 41, agitating shaft 42 and paddle 43, one end of the agitating shaft 42 and institute
State the second motor 41 to be connected, its other end stretches into the algae water tank 1, and the paddle 43 is arranged on the another of the agitating shaft 42
On one end.
Used as a kind of optional implementation method, the paddle 44 is set for two-stage, and first order paddle is paddle, second
Level paddle is anchor formula, and as shown in fig. 1, the paddle on top is first order paddle paddle, and bottom is stirred for second level anchor formula
Mix leaf.It should be understood that the paddle on top is anchor formula paddle, bottom can also for paddle paddle.
A kind of device for separating algae and water of the invention, has the advantages that：
1) trash separator includes first chamber and second chamber, is provided with first chamber for crushing large granular impurity in algae water
Blade, and first chamber connected with second chamber by the first filter screen.Algae water first passes around the first chamber of trash separator, wherein
Impurity crushed by the blade in first chamber, then algae water is then passed through the first filter screen and enters second chamber, big in algae water
The debris of grain have been trapped within the first filter screen.
2) rich algae collecting tank is connected with water ring vacuum pump, it is ensured that the absorption of the algae of algae water tank upper enrichment, collects effect
Rate is high.
3) Algae absorbing device can freely adjust height according to the height of different liquid levels in algae water tank, and can accurately by Algae absorbing device
Entrance point control in algae, improve the follow-up utilization ratio of algae.
4) paddle of agitator of the present invention is set using two-stage, and the structure type of two-stage paddle is different, stirring effect
It is really good, enhance the separating effect of algae water.
Described above fully discloses specific embodiment of the invention.It is pointed out that being familiar with the field
Scope of any change that technical staff is done to specific embodiment of the invention all without departing from claims of the present invention.
Correspondingly, the scope of claim of the invention is also not limited only to previous embodiment.
Claims (5)
1. a kind of device for separating algae and water, it is characterised in that include algae water tank (1), trash separator (2), Algae absorbing device
(3) agitator (4), rich algae collecting tank (5) and vavuum pump (6), the trash separator (2) are arranged on algae water tank (1) side
Top simultaneously connects with the charging aperture (11) of the algae water tank (1), and the Algae absorbing device (3) is arranged on algae water tank (1) opposite side
Top and connected with the discharging opening (12) of the algae water tank (1), the agitator (4) be arranged on the trash separator (2) with inhale
Between algae device (3), the rich algae collecting tank (5) is connected by discharge nozzle (7) with the discharging opening (12), the vavuum pump (6)
It is connected to the rich algae collecting tank (5) so that the rich algae collecting tank (5) is in negative pressure state,
The trash separator (2) includes first chamber (21) and second chamber (22), and the first chamber (21) is and between second chamber
(22) dividing plate (23) is provided with, and is provided with so that the first chamber (21) and second chamber (22) on the top of the dividing plate (23)
First filter screen (24) of connection, the first chamber (21) is connected with the feed pipe (8) of the separator, second chamber
Room (22) is connected with the charging aperture (11) of the separator,
The trash separator (2) also includes the first motor (25), blade (27) and axle (26), and first motor (25) is arranged on institute
The top of first chamber (21) is stated, one end of the axle (26) is connected its other end with first motor (25) and stretches into described
One chamber (21) is simultaneously connected with the blade (26),
The Algae absorbing device (3) includes telescoping tube (31) and floating cover (32), and the telescoping tube (31) can be certainly by the buoyancy of water
By stretching, the upper end of the telescoping tube (31) is connected with the discharge nozzle (7), and its lower end is connected with the floating cover (32), described
The bottom sidewall of floating cover (32) is provided with multiple notches.
2. a kind of device for separating algae and water according to claim 1, it is characterised in that the vavuum pump (6)
It is water ring vacuum pump.
3. a kind of device for separating algae and water according to claim 1, it is characterised in that the telescoping tube (31)
Lower end be connected with suction line (33), the floating cover (32) is set in the suction line (33) outward, and the suction line (33) is stretched
Go out the outer certain length of the floating cover (32).
4. a kind of device for separating algae and water according to claim 1, it is characterised in that described agitator
(4) including the second motor (41), agitating shaft (42) and paddle (43), one end and second motor of the agitating shaft (42)
(41) it is connected, its other end stretches into the algae water tank (1), and the paddle (43) is arranged on the another of the agitating shaft (42)
On end.
5. a kind of device for separating algae and water according to claim 1, it is characterised in that the paddle (43)
For two-stage is set, and the structure of two-stage paddle is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171748.1A CN106890490A (en) | 2017-03-22 | 2017-03-22 | A kind of device for separating algae and water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171748.1A CN106890490A (en) | 2017-03-22 | 2017-03-22 | A kind of device for separating algae and water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106890490A true CN106890490A (en) | 2017-06-27 |
Family
ID=59193939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710171748.1A Pending CN106890490A (en) | 2017-03-22 | 2017-03-22 | A kind of device for separating algae and water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106890490A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487829A (en) * | 2017-09-29 | 2017-12-19 | 四川德胜集团钒钛有限公司 | Coagulative precipitation tank |
| CN110924368A (en) * | 2019-12-06 | 2020-03-27 | 浙江农林大学暨阳学院 | Electronic blue alga fisher of backpack |
| CN111072170A (en) * | 2019-12-05 | 2020-04-28 | 大连民族大学 | Red tide processing apparatus |
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| CN2659957Y (en) * | 2003-09-27 | 2004-12-01 | 游穆彬 | Water cleaning equipment |
| CN102010017A (en) * | 2010-07-19 | 2011-04-13 | 河北工业大学 | Water alga vacuum separating device |
| CN102747719A (en) * | 2012-07-28 | 2012-10-24 | 江苏中科基业环境科技有限公司 | Suspension type drawing machine for floating algae |
| CN203845851U (en) * | 2014-05-25 | 2014-09-24 | 王伟珍 | Blue-algae-water separation device with novel blue algae suction head |
| CN205591187U (en) * | 2016-05-13 | 2016-09-21 | 合肥学院 | Apparatus for separating blue algae and water |
| US9957182B2 (en) * | 2014-12-05 | 2018-05-01 | Veolia Water Solutions & Technologies Support | Method for treating water containing organic matter using ion exchange and ballasted flocculation |
-
2017
- 2017-03-22 CN CN201710171748.1A patent/CN106890490A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2659957Y (en) * | 2003-09-27 | 2004-12-01 | 游穆彬 | Water cleaning equipment |
| CN102010017A (en) * | 2010-07-19 | 2011-04-13 | 河北工业大学 | Water alga vacuum separating device |
| CN102747719A (en) * | 2012-07-28 | 2012-10-24 | 江苏中科基业环境科技有限公司 | Suspension type drawing machine for floating algae |
| CN203845851U (en) * | 2014-05-25 | 2014-09-24 | 王伟珍 | Blue-algae-water separation device with novel blue algae suction head |
| US9957182B2 (en) * | 2014-12-05 | 2018-05-01 | Veolia Water Solutions & Technologies Support | Method for treating water containing organic matter using ion exchange and ballasted flocculation |
| CN205591187U (en) * | 2016-05-13 | 2016-09-21 | 合肥学院 | Apparatus for separating blue algae and water |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487829A (en) * | 2017-09-29 | 2017-12-19 | 四川德胜集团钒钛有限公司 | Coagulative precipitation tank |
| CN111072170A (en) * | 2019-12-05 | 2020-04-28 | 大连民族大学 | Red tide processing apparatus |
| CN110924368A (en) * | 2019-12-06 | 2020-03-27 | 浙江农林大学暨阳学院 | Electronic blue alga fisher of backpack |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |