CN115136919A - Rapid separation method for zooplankton of different size fractions - Google Patents
Rapid separation method for zooplankton of different size fractions Download PDFInfo
- Publication number
- CN115136919A CN115136919A CN202210890304.4A CN202210890304A CN115136919A CN 115136919 A CN115136919 A CN 115136919A CN 202210890304 A CN202210890304 A CN 202210890304A CN 115136919 A CN115136919 A CN 115136919A
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- zooplankton
- separator
- fixedly connected
- different size
- pipe
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- 238000000926 separation method Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000011010 flushing procedure Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 36
- 238000011001 backwashing Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/20—Culture of aquatic animals of zooplankton, e.g. water fleas or Rotatoria
-
- 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
- B01D29/03—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 self-supporting
-
- 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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
- B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Zoology (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a method for quickly separating zooplankton of different size grades, which is characterized in that a solution containing zooplankton of different size grades is separated by a plurality of separators with filter screens of different apertures; then carrying out back flushing to separate zooplankton of different size fractions into different containers respectively; a first filter screen and a second filter screen are arranged in the separator to divide the interior of the separator into a first inner cavity, a second inner cavity and a third inner cavity, a partition plate is rotatably connected in the second inner cavity, and the aperture of the first filter screen is larger than that of the second filter screen; the separator is characterized in that a back-flushing mechanism is fixedly connected to the outer wall of the separator and comprises a back-flushing pipe, a first communicating pipe and a second communicating pipe, the outlet of the first communicating pipe is arranged between the first filter screen and the partition plate and communicated with the second cavity, and the outlet of the second communicating pipe is arranged below the second filter screen and communicated with the third cavity.
Description
Technical Field
The invention relates to the technical field of zooplankton separation, in particular to a method for quickly separating zooplanktons in different size fractions.
Background
The sampling of water body zooplankton is the foundation of many research and production fields such as the research of the current water area ecosystem, the application of aquaculture and the like. According to different requirements, many invention improvements have been made on zooplankton collection and separation at home and abroad, the conventional operation process comprises three steps of collection, separation and collection, namely, a zooplankton net with a specific aperture is adopted to collect zooplankton, and then the zooplankton with different particle size grades is separated and collected according to requirements, the operation steps are complicated, and the zooplankton is easy to stick on a filter screen in the separation process, so that the efficiency of collection, separation and collection of zooplankton samples is restricted.
Disclosure of Invention
The invention aims to provide a method for quickly separating zooplankton of different size fractions, which aims to solve the problem of low separation speed of zooplankton of different size fractions in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a method for quickly separating zooplankton of different size grades comprises the steps of enabling solution containing zooplankton of different size grades to pass through a plurality of separators with filter screens of different pore diameters so as to separate the zooplankton of different size grades; then carrying out back flushing to separate zooplankton of different size fractions into different containers respectively;
a first filter screen and a second filter screen are arranged in the separator to divide the interior of the separator into a first inner cavity, a second inner cavity and a third inner cavity, a partition plate is rotatably connected in the second inner cavity, and the aperture of the first filter screen is larger than that of the second filter screen;
the separator is characterized in that a backwashing mechanism is fixedly connected to the outer wall of the separator and comprises a backwashing pipe, a first communicating pipe and a second communicating pipe, the outlet of the first communicating pipe is arranged between the first filter screen and the partition plate and communicated with the second cavity, and the outlet of the second communicating pipe is arranged below the second filter screen and communicated with the third cavity.
Preferably, the outer wall of the separator is fixedly connected with a second motor, a power output end of the second motor extends into the second cavity and is fixedly connected with the partition plate, and a power output end of the second motor is rotatably connected with the separator.
Preferably, the backwashing mechanism further comprises three electromagnetic valves, and the three electromagnetic valves are respectively arranged on the outlet of the first communicating pipe, the outlet of the second communicating pipe and the backwashing pipeline between the first communicating pipe and the second communicating pipe.
Furthermore, a rotating frame is fixedly connected to the outer wall of the separator, a base is arranged below the separator, a supporting rod is fixedly connected to the top surface of the base, a first motor is fixedly connected to the top of the supporting rod, and a power output end of the first motor is fixedly connected to the rotating frame.
Furthermore, the top of the separator is fixedly connected with a liquid inlet pipe, the bottom of the separator is fixedly connected with a liquid outlet pipe, the base is fixedly connected with a liquid discharge pipe, and the liquid discharge pipe is over against the liquid outlet pipe or the liquid inlet pipe after the separator rotates 180 degrees.
Furthermore, a liquid pump is fixedly connected to the liquid discharge pipe.
Furthermore, the top of the liquid discharge pipe is a corrugated pipe, a support ring is fixedly connected to the periphery of the corrugated pipe, and a telescopic rod is fixedly connected between the bottom surface of the support ring and the top surface of the base.
Furthermore, the telescopic rod is a manual telescopic rod or an electric telescopic rod.
Furthermore, the baffle plate comprises a support plate and an elastic outer ring, and the outer ring is fixedly connected to the periphery of the support plate.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention is provided with the filter screens with different apertures, the apertures of the filter screens can be automatically set according to requirements and are easy to replace, the zooplankton with different size fractions can be quickly separated in different cavities through the filter screens with different apertures, and then the zooplankton with different size fractions can be respectively flushed into different containers through the back flushing device, thereby achieving the purpose of quick separation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
fig. 3 is a structural view of the separator of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1-3 of the drawings,
a method for quickly separating zooplankton of different size fractions is characterized in that a solution containing zooplankton of different size fractions passes through a plurality of separators with filter screens of different apertures to separate the zooplankton of different size fractions; then carrying out back flushing to separate zooplankton of different size fractions into different containers respectively;
preferably, the number of screens is greater than one
In this embodiment, there are two filter screens, including the first filter screen 11 and the second filter screen 11.
A first filter screen 11 and a second filter screen 12 are arranged inside the separator 1 to divide the inside of the separator into a first inner cavity 14, a second inner cavity 15 and a third inner cavity 16, a partition plate 13 is rotatably connected inside the second inner cavity 15, and the aperture of the first filter screen 11 is larger than that of the second filter screen 12;
in this embodiment, first filter screen 11, second filter screen 12 can be fixed inside separator 1 through buckle or screw, can change the first filter screen 11 and the second filter screen 12 of different apertures at the later stage fixedly connected with back flush mechanism on the outer wall of separator 1, back flush mechanism includes back flush pipe 21, first communicating pipe 22, second communicating pipe 23, the export setting of first communicating pipe 22 is between first filter screen 11 and baffle 13 and communicates with second cavity 15, the export setting of second communicating pipe 23 is in second filter screen 12 below and communicate with third cavity 16.
In this embodiment, the outer wall of the separator 1 is fixedly connected with a second motor 131, a power output end of the second motor 131 extends into the second cavity 15 and is fixedly connected with the partition plate 13, and a power output end of the second motor 131 is rotatably connected with the separator 1.
In this embodiment, the backwashing mechanism further includes three electromagnetic valves, and the three electromagnetic valves are respectively disposed on the outlet of the first communicating pipe 22, the outlet of the second communicating pipe 23, and the backwashing pipeline 21 between the first communicating pipe 22 and the second communicating pipe 23.
In this embodiment, still fixedly connected with swivel mount 31 on the outer wall of separator 1, the below of separator 1 is provided with base 32, fixedly connected with vaulting pole 33 on the top surface of base 32, the first motor 34 of top fixedly connected with of vaulting pole 33, the power take off end and the swivel mount 31 fixed connection of first motor 34.
In this embodiment, the top of the separator 1 is fixedly connected with a liquid inlet pipe 17, the bottom of the separator 1 is fixedly connected with a liquid outlet pipe 18, the base 32 is fixedly connected with a liquid outlet pipe 41, and the liquid outlet pipe 41 directly faces the liquid outlet pipe 18 or the liquid inlet pipe 17 after the separator 1 rotates 180 degrees.
In this embodiment, a liquid pump 42 is fixedly connected to the liquid discharge pipe 41.
In this embodiment, the top of the drainage pipe 42 is a corrugated pipe 411, a supporting ring 43 is fixedly connected to the periphery of the corrugated pipe 411, and an expansion link 44 is fixedly connected between the bottom surface of the supporting ring 43 and the top surface of the base 32.
In this embodiment, the telescopic rod 44 is a manual telescopic rod or an electric telescopic rod, and different telescopic rod types can be selected according to different requirements.
In this embodiment, the partition plate 13 includes a support plate 132 and an elastic outer ring 133, the outer ring 133 is fixedly connected to the outer periphery of the support plate 132, and the outer ring 133 can serve to isolate the second cavity 15, so as to prevent the liquid in the upper and lower parts of the second cavity 15 from flowing through each other.
In this embodiment, the liquid inlet pipe 17 and the liquid outlet pipe 18 are also fixedly connected with electromagnetic valves.
In this embodiment, the filter screen can set up to 5 kinds of apertures's filter screen in order to become 6 cavitys with the separator internal partitioning, all is provided with the baffle between two filter screens to drive rotatoryly through the motor, and supporting corresponding two exports in the cavity, two exports are listed as respectively in the top and the below of baffle, specifically filter and the back flush carry out according to above-mentioned step can, and the filter screen can be connected through the inner wall of bolt with the separator, directly unscrew the screw and can change when the filter screen needs to be changed.
The use method of the separator comprises the following steps:
s1: injecting a solution containing zooplankton of different particle sizes into the separator through a liquid inlet pipe of the separator, separating the zooplankton of different particle sizes into a first cavity and a second cavity respectively through a first filter screen and a second filter screen with different pore diameters, and discharging redundant liquid through a liquid discharge pipe, wherein the whole partition plate is vertical to the horizontal plane;
s2: after the separator is kept still for a period of time, the second motor drives the partition plate to rotate until the whole partition plate is parallel to the horizontal plane;
s3: disassembling the liquid discharge pipe and the liquid discharge pipe, driving the separator to rotate 180 degrees through the first motor, connecting the liquid inlet pipe and the liquid discharge pipe, at the moment, firstly opening the first communicating pipe, and backflushing the zooplankton in the first cavity into a container until the zooplankton is flushed completely;
s4: the partition plate is rotated to be vertical to the horizontal plane, the second communicating pipe is opened, and zooplankton in the second cavity body backflushes into the other container until the zooplankton is washed out completely.
In particular in detail, the first screen has a larger pore size than the second screen so that plankton does not clog or stick to the first screen. The back flushing mechanism is a spraying mechanism, and the water pressure is high, so that zooplankton stuck on the filter screen, the partition plate and the inner wall of the cavity are all washed away. The flow path of the solution for backwashing is adjusted through the electromagnetic valve.
All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, should be included in the protection scope of the present invention.
Claims (9)
1. A method for quickly separating zooplankton of different size fractions is characterized by comprising the following steps: the separation method comprises the steps of enabling a solution containing zooplankton of different size fractions to pass through a plurality of separators with filter screens of different apertures so as to separate the zooplankton of different size fractions; then carrying out back flushing to separate zooplankton of different size fractions into different containers respectively;
a first filter screen and a second filter screen are arranged in the separator to divide the interior of the separator into a first inner cavity, a second inner cavity and a third inner cavity, a partition plate is rotatably connected in the second inner cavity, and the aperture of the first filter screen is larger than that of the second filter screen;
the separator is characterized in that a backwashing mechanism is fixedly connected to the outer wall of the separator and comprises a backwashing pipe, a first communicating pipe and a second communicating pipe, the outlet of the first communicating pipe is arranged between the first filter screen and the partition plate and communicated with the second cavity, and the outlet of the second communicating pipe is arranged below the second filter screen and communicated with the third cavity.
2. The method for rapidly separating zooplankton of different size fractions as claimed in claim 1, wherein: the outer wall of the separator is fixedly connected with a second motor, a power output end of the second motor extends into the second cavity and is fixedly connected with the partition plate, and a power output end of the second motor is rotatably connected with the separator.
3. The method for rapidly separating zooplankton of different size fractions as claimed in claim 1, wherein: the back washing mechanism further comprises three electromagnetic valves which are respectively arranged on the outlet of the first communicating pipe, the outlet of the second communicating pipe and a back washing pipeline between the first communicating pipe and the second communicating pipe.
4. The method for rapidly separating zooplankton of different size fractions as claimed in claim 1, wherein: the separator is characterized in that a rotating frame is fixedly connected to the outer wall of the separator, a base is arranged below the separator, a support rod is fixedly connected to the top surface of the base, a first motor is fixedly connected to the top of the support rod, and the power output end of the first motor is fixedly connected with the rotating frame.
5. The method for rapidly separating zooplankton of different size fractions as claimed in claim 4, characterized in that: the top of the separator is fixedly connected with a liquid inlet pipe, the bottom of the separator is fixedly connected with a liquid outlet pipe, the base is fixedly connected with a liquid discharge pipe, and the liquid discharge pipe is over against the liquid outlet pipe or the liquid inlet pipe after the separator rotates 180 degrees.
6. The method for rapidly separating zooplankton of different size fractions as claimed in claim 5, characterized in that: and the liquid discharge pipe is fixedly connected with a liquid pump.
7. The method for rapidly separating zooplankton of different size fractions as claimed in claim 5, characterized in that: the top of the liquid discharge pipe is a corrugated pipe, a support ring is fixedly connected to the periphery of the corrugated pipe, and a telescopic rod is fixedly connected between the bottom surface of the support ring and the top surface of the base.
8. The method for rapidly separating zooplankton of different size fractions as claimed in claim 7, characterized in that: the telescopic rod is a manual telescopic rod or an electric telescopic rod.
9. The method for rapidly separating zooplankton of different size fractions as claimed in claim 1, wherein: the baffle plate comprises a support plate and an elastic outer ring, and the outer ring is fixedly connected to the periphery of the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210890304.4A CN115136919B (en) | 2022-07-27 | 2022-07-27 | Rapid separation method for zooplankton with different particle sizes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210890304.4A CN115136919B (en) | 2022-07-27 | 2022-07-27 | Rapid separation method for zooplankton with different particle sizes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115136919A true CN115136919A (en) | 2022-10-04 |
| CN115136919B CN115136919B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210890304.4A Active CN115136919B (en) | 2022-07-27 | 2022-07-27 | Rapid separation method for zooplankton with different particle sizes |
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2022
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| Publication number | Publication date |
|---|---|
| CN115136919B (en) | 2023-09-08 |
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