CN103940661B - Water body plankton concentrating device and concentrating method - Google Patents
Water body plankton concentrating device and concentrating method Download PDFInfo
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- CN103940661B CN103940661B CN201410166345.4A CN201410166345A CN103940661B CN 103940661 B CN103940661 B CN 103940661B CN 201410166345 A CN201410166345 A CN 201410166345A CN 103940661 B CN103940661 B CN 103940661B
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- concentration
- filter screen
- water
- water body
- planktonic
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Abstract
The invention discloses a water body plankton concentrating device and concentrating method. The concentrating device comprises a fixed bracket and a concentrating vessel with a closed inner cavity, wherein the concentrating vessel is fixedly arranged on the fixed bracket, a water injection hole is formed in the upper part of the concentrating vessel, a drainage hole is formed in the bottom of the concentrating vessel, and a dewatering outlet is formed in the side part of the concentrating vessel, an elbow pipe bending and protruding upwards is fixedly connected to the position of the dewatering outlet, a water valve is arranged on the elbow pipe, a filter screen for collecting the water body plankton and a supporting net supported under the filter screen are also detachably arranged in the inner cavity of the concentrating vessel, the filter screen and the supporting net are positioned between the drainage hole and the dewatering outlet in the inner cavity of the concentrating vessel, an emptying valve is also arranged under the concentrating vessel, and a valve hole of the emptying valve is located above the filter screen. The water body plankton concentrating device is simple and easy to operate, and the concentrating method adopting the concentrating device is simple and easy, can be used for concentrating and sampling the water body plankton from a number of water samples, and has high efficiency.
Description
Technical field
The present invention relates to a kind of planktonic concentration device of water body and concentration process.
Background technology
It is often necessary to the water body sample of collection certain volume fixing concentration in Hydrobiology research, it is prepared into one
Determine the concentration sample of volume, so that quantification and qualification is carried out to plankton.In traditional method for concentration, main employing is sunk
Shallow lake device, and need precipitation repeatedly can prepare sample with constant volume, the sedimentation time is long, and process is lengthy and tedious.Therefore, it is badly in need of a kind of letter
Just, efficiently it is used for concentration device and the concentration process of water body plankton concentration.
Content of the invention
It is an object of the invention to overcoming the shortcoming of prior art, provide the life of swimming that a kind of structure is simple and easy to operate
The concentration device of thing, for the planktonic concentration of water body.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of planktonic concentration device of water body, including
Fixed mount and be fixedly mounted on the concentration container with closing inner chamber on described fixed mount, described concentration container has position
Water filling port to its upper, it is located at the discharge outlet of its bottom, is opened in the dewatering outlet of its sidepiece, regularly connecting at described dewatering outlet
Be connected to and be bent up convex bend pipe, described bend pipe is provided with water valve, be also removably provided with the inner chamber of described concentration container for
Collect the planktonic filter screen of water body, be supported on supporting network below described filter screen, described filter screen, described supporting network are described dense
It is located between described dewatering outlet and described discharge outlet in the inner chamber of collection container, the lower section of described concentration container is additionally provided with atmospheric valve,
The valve port of described atmospheric valve is located above described filter screen.
Preferably, described bend pipe is bent up between convex peak level point and the valve port of described atmospheric valve vertically
Distance be not less than described concentration container height 1/5.
Preferably, described filter screen adopts nylon wire, and the mesh diameter of described nylon wire swims less than water body to be collected
Biological transverse diameter.
It is further preferred that the mesh size of described filter screen 20～600 mesh/.
It is further preferred that the mesh size of described filter screen be 400 mesh/.
It is a further object of the present invention to provide a kind of planktonic concentration process of water body, swum with obtaining substantial amounts of water body
Biological specimen.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of planktonic concentration process of water body employing above-mentioned concentration device, specifically comprises the following steps that
(1) described concentration container is fixedly mounted on described fixed mount, described filter screen and described supporting network are installed；
(2) close the described atmospheric valve of described concentration container, and open described water valve, by described water filling port to described dense
Add in collection container and contain planktonic water sample；
(3) continue to add water sample in described water filling port, after the filling of all water samples finishes, and stand and treat described bend pipe
When no longer there are flowing out in the mouth of pipe, close the described water valve on described bend pipe；
(4) fixative is added into described concentration container by described water filling port, thus will be floating in described concentration container
Trip biology is fixed；
(5) stand 10～20 seconds, then open described atmospheric valve, after current all after described filter screen, take off described filter
Net, obtains plankton specimen, carries out follow-up test observation.
Preferably, described fixative is Lugol's.
It is further preferred that in step (5), by the top in described concentration container separately set the opening with sealing member or
Person is pressurizeed to the within the chamber of described concentration container by described water filling port, and pressure is less than 30pa.
Due to the utilization of technique scheme, the present invention compared with prior art has the advantage that the concentration of the present invention
Apparatus structure is simple, and easy to operate, described concentration process is simple, feasible, and the used time is short, can be used for water body in a large amount of water samples and floats
The biological concentration sampling of trip, efficiency is higher.
Brief description
Accompanying drawing 1 is the structural representation of the water body planktonic concentration device of the present invention；
Wherein: 1, fixed mount；2nd, concentration container；3rd, water filling port；4th, discharge outlet；5th, dewatering outlet；6th, bend pipe；61st, water valve；7、
Filter screen；8th, supporting network；9th, atmospheric valve；10th, collection bottle.
Specific embodiment
Come below in conjunction with the accompanying drawings technical scheme is further elaborated.
Shown in Figure 1, a kind of planktonic concentration device of water body, including fixed mount 1 and be fixedly mounted on fixation
The concentration container 2 with closing inner chamber on frame 1, concentration container 2 has position water filling port 3 to its upper, is located at its bottom
Discharge outlet 4, be opened in the dewatering outlet 5 of its sidepiece, be permanently connected at dewatering outlet 5 and be bent up convex bend pipe 6, on bend pipe 6
It is provided with water valve 61, be also removably provided with the inner chamber of concentration container 2 for collecting the planktonic filter screen of water body 7, being supported on
The supporting network 8 of filter screen 7 lower section, filter screen 7 and supporting network 8 are located between dewatering outlet 5 and discharge outlet 4 in the inner chamber of concentration container 2,
The lower section of concentration container 2 is additionally provided with atmospheric valve 9, and the valve port of atmospheric valve 9 is located above filter screen 7.
In order to ensure can concentration arrive experiment needed for enough planktons, and prevent planktonic flee from, bend pipe 6
On be bent up between convex peak level point and the valve port of atmospheric valve 9 distance vertically and be not less than concentration container 2 height
1/5, and be bent up on bend pipe 6 convex peak level point be not higher than water filling port 3.
In order to prevent plankton from escaping out through filter screen 7, the mesh diameter of filter screen 7 is less than water body to be collected
Planktonic transverse diameter, the mesh size of general filter screen 7 20～600 mesh/between, in the present embodiment, filter screen 7 is selected
Mesh diameter be 400 mesh/nylon wire.
It is specifically described using above-mentioned concentration device concentration water body plankton from a large amount of water body samples below in conjunction with accompanying drawing 1
Concentration process:
1) concentration container 2 is fixedly mounted on fixed mount 1, the inner chamber of concentration container 2 is installed filter screen 7 and supporting network
8；
2) close the atmospheric valve 9 of concentration container 2, and open water valve 61, added into concentration container 2 by water filling port 3 and contain
There is planktonic water sample；
3) continue to add water sample in water filling port 3, after the filling of all water samples finishes, stand in the mouth of pipe treating bend pipe 6 not
When there are flowing out again, close the water valve 61 on bend pipe 6；
4) fixative is added, thus the plankton in concentration container 2 is carried out into concentration container 2 by water filling port 3
Fixing, the fixative in the present embodiment is Lugol's；
5) standing opens atmospheric valve 9 after 20 seconds again, allows current pass through filter screen 7, after current are all by filter screen 7, takes off
Filter screen 7, obtains plankton specimen, carries out follow-up test observation.In case of contained the pollutant such as silt blocking filter screen in water sample
7, when leading to flowing water smooth, can be pressurizeed in concentration container 2 by water filling port 3, for preventing pressure excessive, filter screen 7 be broken through,
During pressurization, pressure is less than 30pa.
Shown in Figure 1, in laboratory operation, for preventing the current in concentration container 2 from dropping down in operating table surface, can be
A collection bottle 10 is placed in the lower end of the discharge outlet 4 of concentration container 2, for collecting the water sample added with Lugol's.
To sum up, the water body of the present invention planktonic concentration apparatus structure is simple to operation, and concentration process is simple, consumption
When short, can be used for from a large amount of water samples water body planktonic concentration sampling, efficiency is higher.
Above-described embodiment only technology design to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and is carried out, and can not be limited the scope of the invention with this, all according to the present invention
Equivalence changes or modification that spirit is made, all should cover within the scope of the present invention.
Claims (8)
1. the planktonic concentration device of a kind of water body, including fixed mount and be fixedly mounted on and have envelope on described fixed mount
Close the concentration container of inner chamber it is characterised in that: position water filling port to its upper is had on described concentration container, is located at its bottom
Discharge outlet, it is opened in the dewatering outlet of its sidepiece, be permanently connected at described dewatering outlet and be bent up convex bend pipe, on described bend pipe
It is provided with water valve, be also removably provided with the inner chamber of described concentration container for collecting the planktonic filter screen of water body, being supported on
Supporting network below described filter screen, described filter screen, described supporting network are located at described dewatering outlet in the inner chamber of described concentration container
And described discharge outlet between, the lower section of described concentration container is additionally provided with atmospheric valve, and the valve port of described atmospheric valve is located at described filter screen
Top, and the valve port of described atmospheric valve is located at the lower section of described dewatering outlet.
2. the planktonic concentration device of water body according to claim 1 it is characterised in that: be bent up convex on described bend pipe
Peak level point and the valve port of described atmospheric valve between distance vertically be not less than the 1/ of described concentration container height
5.
3. the planktonic concentration device of water body according to claim 1 it is characterised in that: described filter screen adopts nylon
Net, the mesh diameter of described nylon wire is less than the planktonic transverse diameter of water body to be collected.
4. the planktonic concentration device of water body according to claim 3 it is characterised in that: the mesh size of described filter screen
20～600 mesh/.
5. the planktonic concentration device of water body according to claim 4 it is characterised in that: the mesh size of described filter screen
For 400 mesh/.
6. a kind of planktonic concentration process of water body is it is characterised in that using the arbitrary described concentration dress of Claims 1 to 5
Put, specifically comprise the following steps that
(1) described concentration container is fixedly mounted on described fixed mount, described filter screen and described supporting network are installed；
(2) close the described atmospheric valve of described concentration container, and open described water valve, held to described concentration by described water filling port
Add in device and contain planktonic water sample；
(3) continue to add water sample in described water filling port, after the filling of all water samples finishes, and stand the mouth of pipe treating described bend pipe
In when no longer there are flowing out, close the described water valve on described bend pipe；
(4) fixative is added into described concentration container by described water filling port, thus by the life of swimming in described concentration container
Thing is fixed；
(5) stand 10～20 seconds, then open described atmospheric valve, after current all after described filter screen, take off described filter screen, obtain
Take plankton specimen, carry out follow-up test observation.
7. the planktonic concentration process of water body according to claim 6 it is characterised in that: described fixative is Shandong Ge Shi
Liquid.
8. the planktonic concentration process of water body according to claim 7 it is characterised in that: in step (5), by
The top of described concentration container separately set the opening with sealing member or by within the chamber from described water filling port to described concentration container
Pressurization, pressure is less than 30pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410166345.4A CN103940661B (en) | 2014-04-23 | 2014-04-23 | Water body plankton concentrating device and concentrating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410166345.4A CN103940661B (en) | 2014-04-23 | 2014-04-23 | Water body plankton concentrating device and concentrating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103940661A CN103940661A (en) | 2014-07-23 |
| CN103940661B true CN103940661B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410166345.4A Expired - Fee Related CN103940661B (en) | 2014-04-23 | 2014-04-23 | Water body plankton concentrating device and concentrating method |
Country Status (1)
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| CN (1) | CN103940661B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323728B (en) * | 2016-08-16 | 2018-11-13 | 中国水产科学研究院南海水产研究所 | A kind of application method of the planktonic organism rapid concentration device of safety and environmental protection |
| CN114659842B (en) * | 2022-02-15 | 2023-08-01 | 中国科学院水生生物研究所 | Plankton automatic sampling device and automatic sampling method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD238278A1 (en) * | 1985-06-13 | 1986-08-13 | Wasserversorgung Abwasse | DEVICE FOR THE AUTOMATIC DETERMINATION OF ABLASABLE INGREDIENTS IN LIQUIDS |
| JP2001165825A (en) * | 1999-12-08 | 2001-06-22 | Matsushita Electronics Industry Corp | Dust collector |
| CN201072388Y (en) * | 2007-05-04 | 2008-06-11 | 宋永欣 | Automatized watercraft ballast water sampling device |
| CN101842686A (en) * | 2007-11-02 | 2010-09-22 | 财团法人船舶与海洋财团 | The sampling system of ballast water for ship |
| CN102366686A (en) * | 2011-09-28 | 2012-03-07 | 迈凯实金属技术（苏州）有限公司 | General-purpose filtration equipment |
| CN203869930U (en) * | 2014-04-23 | 2014-10-08 | 苏州大学 | Water body plankton concentrated-collecting device |
-
2014
- 2014-04-23 CN CN201410166345.4A patent/CN103940661B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD238278A1 (en) * | 1985-06-13 | 1986-08-13 | Wasserversorgung Abwasse | DEVICE FOR THE AUTOMATIC DETERMINATION OF ABLASABLE INGREDIENTS IN LIQUIDS |
| JP2001165825A (en) * | 1999-12-08 | 2001-06-22 | Matsushita Electronics Industry Corp | Dust collector |
| CN201072388Y (en) * | 2007-05-04 | 2008-06-11 | 宋永欣 | Automatized watercraft ballast water sampling device |
| CN101842686A (en) * | 2007-11-02 | 2010-09-22 | 财团法人船舶与海洋财团 | The sampling system of ballast water for ship |
| CN102366686A (en) * | 2011-09-28 | 2012-03-07 | 迈凯实金属技术（苏州）有限公司 | General-purpose filtration equipment |
| CN203869930U (en) * | 2014-04-23 | 2014-10-08 | 苏州大学 | Water body plankton concentrated-collecting device |
Non-Patent Citations (1)
| Title |
|---|
| 用于收集轮虫的浮游动物收集器;孔令杰;《黑龙江水产》;19950815(第3期);46-47 * |
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| CN103940661A (en) | 2014-07-23 |
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Granted publication date: 20170201 Termination date: 20190423 |