CN112774283B - Device for rapidly screening plankton in seawater on site - Google Patents
Device for rapidly screening plankton in seawater on site Download PDFInfo
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- CN112774283B CN112774283B CN202011532886.6A CN202011532886A CN112774283B CN 112774283 B CN112774283 B CN 112774283B CN 202011532886 A CN202011532886 A CN 202011532886A CN 112774283 B CN112774283 B CN 112774283B
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- plankton
- filter
- filtering
- support plate
- screen
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- 238000012216 screening Methods 0.000 title claims abstract description 36
- 239000013535 sea water Substances 0.000 title claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 48
- 239000002245 particle Substances 0.000 claims abstract description 25
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 239000002351 wastewater Substances 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 5
- 239000004744 fabric Substances 0.000 abstract description 13
- 238000011160 research Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- 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
- B01D29/58—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 arranged concentrically or coaxially
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention relates to the technical field of screening equipment, and discloses a device for rapidly screening plankton in seawater on site, which comprises a screen box, wherein a support plate is arranged in the screen box, a collecting box for collecting wastewater is arranged at the bottom of the support plate of the screen box, a circulation hole for circulating the wastewater is formed in the support plate, a filter barrel with an opening at the top is arranged on the support plate, at least two groups of filter assemblies are detachably arranged on the support plate at intervals along the radial direction of the filter barrel and comprise a support assembled on the support plate and a screen arranged on the support, the aperture of the screen of each filter assembly is gradually reduced along the direction far away from the filter barrel, and the circulation hole is formed between the filter assembly far away from the filter barrel and the screen box. The plankton of corresponding particle diameter can all be screened to every filtering component's of group screen cloth to the plankton that obtains corresponding particle diameter is studied, and disposable screens respectively the plankton of different particle diameters, improves screening rate, satisfies the demand of research.
Description
Technical Field
The invention relates to the technical field of screening equipment, in particular to a device for rapidly screening plankton in seawater on site.
Background
Plankton is a tiny organism which is suspended and lives in water and can be observed only by means of a microscope, the plankton constitutes a basic food chain of the ocean, the study on the living mode of the plankton not only relates to the balance of the ocean ecology, but also is developed by the modern medical science, and therefore, the plankton needs to be screened to prepare specimens and study the ecology.
The utility model discloses a chinese utility model patent that bulletin number is CN204097142U discloses a zooplankton sample screening ware, including a drum and a base, be equipped with the bolting silk between base and the drum, the base contains a ring that corresponds with the drum and a sealed lantern ring that meets with the ring, is equipped with the cassette on the periphery of ring or the inner wall of the sealed lantern ring, and the bottom of drum contains a connecting portion that turns up, is equipped with the bayonet socket that corresponds with the cassette on this connecting portion.
Foretell zooplankton sample screening ware utilizes the screen cloth screening zooplankton, breaks away from the screen cloth through rotating the base, improves screening efficiency. However, when studying plankton, each zooplankton individual can belong to one of a series of particle size groups, and the particle size spectrum composed of different particle sizes of organisms has important significance for the quantitative estimation of researches such as plankton growth, death and nutrition process, and is beneficial to the analysis of functional groups and energy flow of an ecological system, so that the plankton needs to be filtered in a grading manner, and the screen mesh of the existing floataton sample screener is of a fixed size, so that the requirements of the researches are difficult to meet.
Disclosure of Invention
The purpose of the invention is: the utility model provides a device of plankton in quick screening seawater in scene to carry out the classified filtration to the plankton of different particle diameters, satisfy the demand of research.
In order to achieve the above object, the present invention provides a sieve including a sieve box in which a support plate is disposed, the bottom of the support plate of the screen box is provided with a collecting box for collecting waste water, the support plate is provided with a circulation hole for circulating the waste water, a filter barrel with an opening at the top part and used for filtering particle impurities is arranged on the supporting plate, the opening at the top part of the filter barrel forms a water inlet hole for seawater to enter, the supporting plate can be also detachably provided with filter components, at least two groups of filter components are arranged at intervals along the radial direction of the filter barrel, the filter assemblies comprise supports assembled on the supporting plates and screens arranged on the supports, the aperture of each screen of each filter assembly is gradually reduced along the direction far away from the filter barrel, and the flow holes are formed between the filter assemblies far away from the filter barrel and the screen box.
Preferably, the bracket comprises an upper support ring, a lower support ring and a connecting plate connected between the upper support ring and the lower support ring, and the lower support ring is assembled on the support plate in a threaded manner.
Preferably, the lower support ring is further provided with a collecting tank for collecting plankton.
Preferably, annular mounting grooves are further formed in the inner wall of the collecting groove and the inner wall of the upper supporting ring respectively, mounting rings are embedded in the mounting grooves, and two ends of the screen mesh are assembled between the mounting grooves and the mounting rings in an extrusion mode respectively.
Preferably, the filter assemblies have three groups, the three groups of filter assemblies are respectively a primary filter assembly, a secondary filter assembly and a tertiary filter assembly along the direction far away from the filter barrel, the mesh of the tertiary filter assembly is at least 400 meshes, and the mesh difference between the meshes of the two adjacent filter assemblies is not more than 100.
Preferably, sealing rings are respectively assembled between two adjacent filtering assemblies, between the filtering assemblies and the filtering barrel, and between the filtering assemblies and the sieve box.
Preferably, the filter vat comprises a vat body and a ring platform arranged at the top of the vat body, and the bottom end of the vat body is in threaded fit with the support plate.
Preferably, the device for on-site rapid screening of plankton in seawater further comprises a suction assembly, wherein the suction assembly comprises a storage tank communicated with the collection tank and a suction pump communicated with the storage tank.
Preferably, a drain valve is further arranged at the bottom of the filter barrel on the support plate.
Compared with the prior art, the device for rapidly screening plankton in seawater on site provided by the embodiment of the invention has the beneficial effects that: at least two sets of filter assemblies are arranged along the radial interval of the filter vat in the support plate, when plankton in the screening sea water, the filter vat can filter the particle impurity in the sea water, avoid the particle impurity to concentrate on the screen cloth of the filter assembly and block up the sieve mesh, the sea water passes through the filter assembly in proper order, because the aperture of each filter assembly's screen cloth is along keeping away from the direction of filter vat reduces gradually, the plankton of corresponding particle diameter can all be screened to every group of filter assembly's screen cloth, waste water after the filtration gets into the collecting box through the circulation hole, because the removable arrangement of filter assembly is in the support plate, operating personnel can demolish each group of filter assembly from the support plate respectively, thereby obtain plankton that corresponds the particle diameter and study, once only filter the plankton of different particle diameters respectively, improve the screening speed, satisfy the demand of study.
Drawings
FIG. 1 is a schematic structural diagram of the apparatus for on-site rapid screening of plankton in seawater of the present invention;
FIG. 2 is a schematic structural view of a filter assembly of the apparatus for rapid in situ screening of plankton in seawater of FIG. 1;
FIG. 3 is a cross-sectional view of the filter assembly of the apparatus for rapid in situ screening of plankton in seawater of FIG. 2;
fig. 4 is an enlarged schematic view at a of the filter assembly of fig. 3.
In the figure, 1, a sieve box; 11. a collection box; 2. a support plate; 3. a filter vat; 31. a barrel body; 32. a ring platform; 33. a filtration pore; 4. a filter assembly; 41. an upper support ring; 42. a lower support ring; 43. a connecting plate; 44. collecting tank; 45. screening a screen; 46. a mounting ring; 5. a storage tank; 6. a suction pump; 7. connecting a pipeline; 8. a blowoff valve.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The preferred embodiment of the device for rapidly screening plankton in seawater on site of the present invention, as shown in fig. 1 to 4, comprises a screen box 1 and a suction assembly, wherein the screen box 1 is connected with the suction assembly, the suction assembly is used for extracting wastewater from the screen box 1, and simultaneously, negative pressure is formed in the drying box to increase the screening speed.
The filtering barrel 3 comprises a barrel body 31 and a ring platform 32 arranged at the top of the barrel body 31, wherein the bottom end of the barrel body 31 is formed with an internal thread, and the barrel body 31 is assembled on the supporting plate 2 in a threaded manner. A plurality of filtering holes 33 are uniformly arranged on the tub body 31, and the size of the filtering holes 33 is smaller than that of the granular impurities in the seawater to ensure that the granular impurities do not contact the filtering assembly 4 through the filtering tub 3. The barrel body 31 is vertically arranged on the supporting plate 2, and particle impurities can be concentrated on the supporting plate 2 under the action of gravity, so that the filtering holes 33 cannot be blocked, and the filtering efficiency is improved.
The filter assembly 4 comprises a frame detachably mounted on the support plate 2 and a screen 45 fixedly mounted on the frame. The support includes support ring 41, lower support ring 42 and connects the connecting plate 43 between support ring 41, lower support ring 42, and the vertical direction of connecting plate 43 extends, and connecting plate 43 has four along the circumference interval arrangement of support, and connecting plate 43 is used for supporting screen cloth 45, avoids screen cloth 45 to warp. The inner wall of the lower support is provided with threads, and the lower support ring 42 is assembled on the support plate 2 in a threaded manner.
The collecting groove 44 has been seted up on the lower support ring 42, and the collecting groove 44 is the U-shaped groove, and the notch of collecting groove 44 is up, and the collecting groove 44 is used for collecting the plankton after the screen cloth 45 filters, and the operating personnel of being convenient for takes a sample. Annular mounting grooves are further formed in the inner wall of the collecting groove 44 and the inner wall of the upper supporting ring 41 respectively, mounting rings 46 are embedded in the mounting grooves, the two ends of the screen 45 are assembled between the mounting grooves and the mounting rings 46 in an extruding mode respectively, the screen 45 is fixed through the mounting rings 46, and the screen 45 is convenient to detach when needing to be replaced.
One-level filtering component 4, second grade filtering component 4, the aperture of tertiary filtering component 4's screen cloth 45 reduces gradually, tertiary filtering component 4's screen cloth 45 is 400 meshes at least, the mesh number difference between two adjacent filtering component 4's screen cloth 45 is not more than 100, the particle diameter that plankton can be screened to 400 meshes 45 aperture satisfies the demand of research, and the mesh number difference control between the screen cloth 45 is within 100 meshes, the particle diameter difference of plankton is suitable, the research of being convenient for.
The bottom of backup pad 2 and the diapire of sieve case 1 have the interval between, and the interval forms the collecting box 11 that is used for collecting waste water, sets up the opening that supplies the waste water circulation in backup pad 2, and the opening is seted up and is being kept away from between tertiary filter assembly 4 of filter vat 3 and sieve case 1, opening and collecting box 11 intercommunication, and collecting box 11 supplies the suction subassembly suction after being convenient for collect waste water.
The suction assembly comprises a storage tank 5, a suction pump 6 and a connecting pipeline 7, the storage tank 5 is communicated with the collection tank 11 through the connecting pipeline 7, the suction pump 6 is communicated with the storage tank 5 through the connecting pipeline 7, the connecting pipeline 7 is respectively communicated with the top of the storage tank 5, and in the embodiment, the suction pump 6 is a vacuum pump. The storage tank 5 is used for storing the collected wastewater, the suction pump 6 is used for forming negative pressure and sucking the wastewater from the collection tank 11, and the negative pressure can also improve the circulation speed of seawater, so that the screening speed is improved.
Preferably, the bottom of the filter vat 3 is provided with a blowoff valve 8 on the support plate 2, and when cleaning particulate impurities, an operator can open the blowoff valve 8 and wash with purified water, thereby improving the blowdown efficiency.
To sum up, the embodiment of the invention provides a device for rapidly screening plankton in seawater on site, wherein at least two groups of filtering components are arranged on a supporting plate at intervals along the radial direction of a filtering barrel, when the plankton in seawater is screened, the filtering barrel can filter out particle impurities in seawater, so as to prevent the particle impurities from concentrating on a screen of the filtering components to block screen holes, seawater sequentially passes through the filtering components, as the aperture of a screen of each filtering component is gradually reduced along the direction far away from the filtering barrel, the screen of each group of filtering components can screen plankton with corresponding particle size, filtered wastewater enters a collecting box through a circulation hole, as the filtering components are detachably arranged on the supporting plate, an operator can respectively detach each group of filtering components from the supporting plate, thereby obtaining plankton with corresponding particle size for research, and screening plankton with different particle sizes at one time, the screening speed is improved, and the research requirement is met.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. A device for rapidly screening plankton in seawater on site is characterized by comprising a screen box, wherein a support plate is arranged in the screen box, a collecting box used for collecting wastewater is arranged at the bottom of the support plate of the screen box, a circulation hole used for circulating the wastewater is formed in the support plate, a filter barrel with an opening at the top part and used for filtering particle impurities is arranged on the support plate, an inlet hole used for seawater to enter is formed in the opening at the top part of the filter barrel, filter components can be assembled and disassembled on the support plate, at least two groups of filter components are arranged at intervals along the radial direction of the filter barrel, each filter component comprises a support assembled on the support plate and a screen arranged on the support, the aperture of the screen of each filter component is gradually reduced along the direction far away from the filter barrel, and the circulation hole is formed between the filter component far away from the filter barrel and the screen box, the support includes support ring, lower support ring and connects go up the connecting plate between support ring, the lower support ring, lower support ring screw assembly is in the backup pad, still offer the collecting vat that is used for collecting the plankton on the lower support ring.
2. The device for rapidly screening plankton in seawater according to claim 1, wherein the inner wall of the collection tank and the inner wall of the upper support ring are respectively provided with an annular installation groove, an installation ring is embedded in the installation groove, and two ends of the screen mesh are respectively assembled between the installation groove and the installation ring in an extrusion manner.
3. The apparatus for on-site rapid screening of plankton in seawater according to claim 1 or 2, wherein the filtering assemblies have three groups, and the three groups of filtering assemblies are defined as a primary filtering assembly, a secondary filtering assembly and a tertiary filtering assembly respectively along the direction far away from the filtering barrel, the mesh of the tertiary filtering assembly is at least 400 meshes, and the mesh difference between the meshes of two adjacent filtering assemblies is not more than 100 meshes.
4. The device for rapidly screening plankton in seawater according to claim 1 or 2, wherein sealing rings are respectively assembled between two adjacent filtering assemblies, between the filtering assembly and the filtering barrel, and between the filtering assembly and the screening box.
5. The apparatus for on-site rapid screening of plankton in seawater according to claim 1 or 2, wherein the filtering barrel comprises a barrel body and a ring platform arranged on the top of the barrel body, and the bottom end of the barrel body is screwed on the supporting plate.
6. The apparatus for rapid on-site screening of plankton in seawater according to claim 1 or 2, further comprising a suction assembly comprising a storage tank in communication with the collection tank and a suction pump in communication with the storage tank.
7. The device for rapidly screening plankton in seawater according to claim 1 or 2, wherein a blowoff valve is further opened on the bottom of the filter vat on the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532886.6A CN112774283B (en) | 2020-12-21 | 2020-12-21 | Device for rapidly screening plankton in seawater on site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532886.6A CN112774283B (en) | 2020-12-21 | 2020-12-21 | Device for rapidly screening plankton in seawater on site |
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| Publication Number | Publication Date |
|---|---|
| CN112774283A CN112774283A (en) | 2021-05-11 |
| CN112774283B true CN112774283B (en) | 2021-09-28 |
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| CN202011532886.6A Active CN112774283B (en) | 2020-12-21 | 2020-12-21 | Device for rapidly screening plankton in seawater on site |
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| CN113373882A (en) * | 2021-05-31 | 2021-09-10 | 海南大学 | Collection device suitable for brook plankton |
| CN115971028A (en) * | 2023-02-21 | 2023-04-18 | 中国环境科学研究院 | Benthos quick sorting unit convenient to operation |
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| US7563368B2 (en) * | 2006-12-12 | 2009-07-21 | Cummins Filtration Ip Inc. | Filtration device with releasable additive |
| CN105999807B (en) * | 2016-06-28 | 2018-02-02 | 中国农业科学院农田灌溉研究所 | A kind of slight irrigation is used from alarm multistage composite well strainer and its assemble method |
| CN206063920U (en) * | 2016-08-16 | 2017-04-05 | 浙江锐博科技工程有限公司 | A kind of sewage water filtration filter cartridge construction |
| CN211734023U (en) * | 2020-01-15 | 2020-10-23 | 湖南沃工环境科技有限公司 | Domestic sewage recovery device |
| CN111467852A (en) * | 2020-04-16 | 2020-07-31 | 乐山师范学院 | Multistage filtering device for polymer organic solution |
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