A sorting and collecting device for plankton
A collection device and plankton technology, which is applied in the field of plankton classification and collection devices, can solve problems such as inability to classify and collect plankton, and achieve the effects of good classification effect, simple operation and efficient utilization of resources
Active Publication Date: 2020-09-11
重庆市水产科学研究所
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Problems solved by technology
[0004] The present invention intends to provide a plankton classification and collection device to solve the problem that the existing plankton collection cannot classify and collect plankton at the same time
Method used
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Embodiment Construction
[0021] The following is a further detailed description through specific embodiments:
[0022] The reference signs in the accompanying drawings include: suspending rope 1, pulling rope 2, driving plate 3, limiting hole 31, connecting hole 32, propeller blade 33, inner support rod 4, lifting ring 5, clip 6, compression spring 7 , support ring 8, outer support rod 9, inner collection tube 10, seal 11, slider 12, outer push rod 14, inner push rod 13, scroll spring 15, spring sheet 16, outer collection tube 17, flap 18, The outer filter bag 19 , the inner filter bag 20 , the ball 21 , the adapter ring 22 , and the installation ring 23 .
[0023] The example is basically as attached figure 1 , figure 2Shown: a plankton classification and collection device, including a filter bag and a circular support ring 8, the upper end of the support ring 8 is evenly distributed with a plurality of rings 5 along the circumferential direction, and a pulling rope 2 is bound on the lifting rin...
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The invention discloses a plankton classifying and collecting device, and belongs to the field of plankton collection. The plankton classifying and collecting device comprises a support ring and filter bags. The support ring is provided with a mounting table, a mounting ring is fixed onto the mounting table, a rotary connecting ring is rotationally arranged on the mounting ring, a driving plate isfixed onto the rotary connecting ring, and screw blades are arranged in the middle of the driving plate; the filter bags include an inner filter bag and an outer filter bag, the inner filter bag is fixed onto the rotary connecting ring, and the outer filter bag is fixed onto the mounting table; an inner collecting tube is connected with the lower end of the inner filter bag, and an outer collecting tube is connected with the lower end of the outer filter bag; a slider is slidably connected onto the outer collecting tube, a seal plate is arranged in the inner collecting tube, a seal strip is arranged in the outer collecting tube, the seal plate and the seal strip are connected with the slider, and the diameters of holes in the inner filter bag are larger than the diameters of holes in theouter filter bag. According to the scheme, the plankton classifying and collecting device has the advantages that plankton with different sizes can be simultaneously classified and collected by the double inner-layer and outer-layer filter bags which have the holes with the different diameters and are loaded in the same support structure; the plankton does not need to be separately sampled in collection procedures, and accordingly the plankton classifying and collecting device can be easily and efficiently operated and is low in labor intensity.
Description
technical field [0001] The invention relates to the field of plankton collection, in particular to a plankton classification and collection device. Background technique [0002] Plankton is not only dominant in quantity in aquatic ecosystems, but also has the advantages of high sensitivity, short growth cycle and direct observation and identification. Plankton, as an important indicator for biological monitoring and evaluation of water pollution and nutrient levels, has been widely used at home and abroad and has achieved great results. In order to understand the number of plankton community populations, dominant species, pollution indicator species and other indicators in a specific water area, and to make a preliminary evaluation of the water quality of the water area, we need to do qualitative and quantitative sampling of plankton in the water area. Plankton net is one of the main tools for collecting plankton samples. It has the advantages of simple operation and large ...
Claims
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IPC IPC(8): A01K80/00A01D44/00
CPCA01D44/00A01K80/00
Inventor 但言陈元坤张闯余凤琴陈思伽张峰马跃岗朱杰
Owner 重庆市水产科学研究所