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Settling separation device for phytoplankton

A sedimentation separation and phytoplankton technology, which is applied to sedimentation separation, feeding/discharging devices of sedimentation tanks, sedimentation tanks, etc. It is convenient for constant volume work, not easy to be damaged, and the effect of accurate volume control

Pending Publication Date: 2017-11-24
长江流域水环境监测中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It takes about 10 minutes to concentrate and separate phytoplankton using traditional devices, and the siphoning process and constant volume process take about 10 minutes, and it is easy to disturb and settle the algae during siphoning, which requires re-sedimentation for more than 24 hours, and because it is difficult to ensure the position of the liquid level each time during siphoning Strictly consistent, it will also cause trouble for subsequent volume determination
Traditional methods are time-consuming and labor-intensive, especially when a large number of samples need to be concentrated in a short period of time, the efficiency is not high

Method used

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  • Settling separation device for phytoplankton
  • Settling separation device for phytoplankton
  • Settling separation device for phytoplankton

Examples

Experimental program
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Effect test

Embodiment 1

[0034] A phytoplankton sedimentation and separation device, comprising an agley casing 1, and an upper cover plate 6 and a lower cover plate 7 fixed together, the upper cover plate 6 is provided with an upper cover plate hole 22, and the upper cover plate hole 22 is connected with the The bottom end of the Yagley casing 1 is connected, the top surface of the lower cover 7 is provided with a partition chute 16, and the bottom of the partition chute 16 corresponds to the position of the upper cover hole 22, and the lower cover hole 23 is opened. , the lower cover plate hole 23 is connected to the top of the sedimentation cup 3, and the bottom of the sedimentation cup 3 is provided with a drain valve 8,

[0035] The bottom surface of the upper cover plate 6 is provided with an upper cover plate ring groove 28, and the upper cover plate ring groove 28 is embedded with an upper cover plate sealing ring 25, and the upper cover plate hole 22 is located in the ring of the upper cover p...

Embodiment 2

[0044] In this embodiment, the Yagly sleeve 1 is cylindrical in shape, made of transparent Yagly material, has an outer diameter of 70mm, an inner diameter of 50mm, a volume of 1.5L, and a maximum scale of 1.5L. The bottom end of the Yagly casing 1 is connected to the hole 22 of the upper cover plate through threads, and the outer thread 20 of the casing at the bottom end of the Yagly casing 1 is M68×1.5, which is used to connect with the inner thread of the upper cover plate hole 22 of the upper cover plate. 21 matching connections.

[0045] The separation device 2 includes an upper cover plate 6 and a lower cover plate 7, the upper cover plate 6 and the lower cover plate 7 are two cuboid stainless steel cover plates, the upper cover plate 6 and the lower cover plate 7 are tightened by 10 M4 cover plate screws 12 . The separation partition 5 realizes the sealing between the Yagley casing 1 and the settling cup 3 through the upper cover sealing ring 25 and the lower cover sea...

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Abstract

The invention discloses a settling separation device for phytoplankton. The settling separation device comprises an acrylic sleeve, an upper cover plate and a lower cover plate fixed with each other, wherein an upper cover plate hole is formed on the upper cover plate; the upper cover plate hole is connected with a bottom end of the acrylic sleeve; a separating plate slide slot is formed on the top surface of the lower cover plate; a lower cover plate hole is formed on the part corresponding to the position of the upper cover plate hole at the bottom of the separating plate slide slot; the lower cover plate hole is connected with the top of sedimentation glass; a water draining valve is arranged at the bottom of the sedimentation glass; a separating plate is arranged in the separating plate slide slot; the separating plate is connected with one end of a pull rod; and the other end of the pull rod is penetrated through a pull rod sealing ring embedded between the upper cover plate and the lower cover plate and a pull rod penetrating hole formed on the lower cover plate in turn and then is connected with a handle. According to the invention, the separating time after the settling of the phytoplankton sample is reduced by 80% or above, the settled phytoplankton is prevented from being disturbed and entering into supernate, the constant volume operation is convenient and the settling separation device is difficult to be damaged.

Description

technical field [0001] The invention relates to the technical field of water ecological environment monitoring, and more specifically relates to a phytoplankton sedimentation and separation device. It is suitable for the pretreatment process before quantitative sample counting of phytoplankton, including sedimentation, concentration and separation of samples. Background technique [0002] With the rapid development of the industrial and agricultural economy, the input of a large amount of nutrients and toxic substances produced by human activities has caused the eutrophication of reservoirs and lakes, resulting in the proliferation of algae, the depletion of dissolved oxygen, the deterioration of water quality and the imbalance of water ecology. . At present, the eutrophication of lakes and reservoirs and the outbreak of algal blooms (Water blooms) have become one of the main environmental problems facing our country. According to statistics, 66% of our country's lakes and ...

Claims

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Application Information

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IPC IPC(8): B01D21/02B01D21/24C02F1/00G01N1/28G01N1/40
CPCB01D21/0042B01D21/02B01D21/2444B01D21/245G01N1/28G01N1/4077C02F1/00C02F2001/007G01N2001/4083
Inventor 王英才王树磊胡圣唐剑锋卓海华梁建奎唐涛张爱静
Owner 长江流域水环境监测中心
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