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Phytoplankton separator

A technology of phytoplankton and separator, which is applied in the field of liquid-solid separation device, and can solve the problems of large error of phytoplankton

Inactive Publication Date: 2012-05-23
湖南省水产科学研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the supernatant must be sucked off manually when separating the liquid in the separating funnel, the sediment in the lower layer will be stirred if you are not careful, and the phytoplankton will be siphoned out, resulting in a large error in the separation of phytoplankton

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Such as figure 1 As shown, the phytoplankton separator of the present invention comprises a sealed container, the container is made up of a tubular body 1 and a cap 2, the container is provided with a water sample sedimentation area A and a concentration area B from top to bottom, in the concentration area B The bottom of the container is provided with an outlet 10 with a valve 9, and a disc-shaped floating body 6 is arranged in the body 1 of the container. The diameter of the floating body 6 is slightly smaller than that of the body 1. The protruding part 8 that prevents the floating body 6 from floating down, the protruding part 8 is a tapered closing shape, and a liquid suction head 7 with a suction hole 5 is fixed below the floating body 6, and the liquid suction head 7 is connected to a spiral with an adjustable length. The hose 11 is connected, and the spiral hose 11 protrudes from the cap, and its extended part is an external pipe. The end of the external pipe is...

Embodiment 2

[0017] Another structure of the present invention is as figure 2 As shown, different from Example 1, the protruding part 8 above the concentrated area B of the container body 1 is a bump (or convex ring), and the liquid suction head 7 is connected with the 16 floating body 6 through a screw rod, and the suction is rotated. The distance between the liquid head 7 and the floating body can be adjusted, and the inflation device 13 is separately arranged on the cap 2 of the container.

[0018] working principle:

[0019] The main body 1 and the cap 2 form the airtight container of the phytoplankton separator. After pouring the water sample into the container, tighten the cap 2 and the main body 1, close the valve 14 on the external connection of the hose 11, and use the pump 15 to inflate The device 13 inflates the container, and after the inflation is completed, since the inflating device 13 is provided with a one-way valve, after the pump is removed, a certain air pressure can ...

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Abstract

The invention discloses a phytoplankton separator, which comprises a sealed container, wherein the container is provided with a water sample precipitation region and a concentration region, an outlet provided with a valve is arranged at the bottom of the concentration region, a floating body is arranged in the container, the inner wall of the container is provided with a projected part above the concentration region, a liquid suction head with a suction hole is fixed under the floating body, the liquid suction head can be connected with a hose, the hose has the adjustable length and is connected with an external connection pipe, the external connection pipe is at least provided with a valve, the container is provided with an inflating device, and the inflating device is used for inflatingthe container and is provided with a one-way valve. The invention has the advantages that the separated clear liquid at the upper layer is automatically discharged through the air pressure in the container, the liquid suction head can be controlled not to be in contact with the concentrated phytoplankton in the liquid discharge process, and the invention perfectly solves problems of easy siphon of the phytoplankton, poor precipitation effect and greater error caused by easy stirring of precipitate at the lower layer because of manual operation in the liquid discharge process in the prior art.

Description

technical field [0001] The invention belongs to a liquid-solid separation device, in particular to a phytoplankton separator. Background technique [0002] Both aquaculture and water environment protection research require the collection of phytoplankton samples and the solid-liquid separation of phytoplankton and water. At present, phytoplankton are separated by the natural sedimentation method of a cylindrical separatory funnel after collection. When precipitating, first fix the separating funnel in the shelf and place it on a stable table, then pour the water sample into the separating funnel to allow the phytoplankton to settle naturally. After 48 hours, use a small glass tube (diameter less than 2mm) to slowly absorb the phytoplankton by siphon method. Aspirate the supernatant, and then put the precipitate into the reagent bottle. Since the supernatant must be sucked off manually when the separatory funnel separates liquid, a little carelessness will stir the lower la...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D21/02B01D21/24
Inventor 伍远安李传武李鸿袁希平廖伏初徐德平梁志强王金龙洪波
Owner 湖南省水产科学研究所