Water gas mixture and underwater plankton sampler

A technology for microbial sampling and mixture, applied in the direction of sampling devices, etc., can solve the problems of inability to guarantee the accurate displacement of the sampler, disturbance of the sampling environment, affecting secondary sampling, etc., and achieves good sealing performance, safe storage and transportation, and high sampling efficiency. Effect

Inactive Publication Date: 2006-03-29
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that it causes a large disturbance to the sampling environment and affects the secondary sampling; the pressure of the sample taken is lower than the pressure of the sampling space
When this type of sampler performs multiple sampling, the sample is shifted by the chain. The valve consumes a relatively large amount of energy during the opening process, and the beating of the chain during the rotation process cannot ensure the accurate displacement of the sampler.

Method used

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  • Water gas mixture and underwater plankton sampler
  • Water gas mixture and underwater plankton sampler
  • Water gas mixture and underwater plankton sampler

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Embodiment Construction

[0047] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0048] The water-air mixture and underwater planktonic microbial sampler of the present invention are mainly composed of transposition device, opening and closing device, and storage tank. The tank is embedded inside the transposition device, below the opening and closing device.

[0049] 1. Storage tank

[0050] The storage tank 8 is mainly composed of a one-way valve ball 10, a tank cover 23, a valve body 24, a preload adjusting screw 25, a tank body 26, and a one-way valve spring 9 (as shown in accompanying drawings 1, 4, 6, and 7). ), wherein: the tank cover 23 is provided with two concave through holes, i.e. the inlet and the outlet; the upper surface of the concave through hole is concave, which is beneficial to the top 30 sliding into the through hole; the lower surface of the concave through hole is made into a tapered surface, so tha...

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Abstract

The present invention discloses a water-gas mixture and underwater plankton sampler. It is composed of three portions of transposition device, opening / closing device and storage tank, in which the transposition device and opening / closing device respectively are mounted with carrier and formed into one body, the storage tank is inlaid in the interior of transposition device and is positioned under the opening / closing device. Said invention can be used for sampling underwater water-gas mixture, hydrothermal sulfide, microsuspensoid, underwater plankton and settlement, etc.

Description

technical field [0001] The invention relates to an underwater sampling tool, in particular to a water-air mixture and underwater planktonic microorganism sampler suitable for investigation of deep-sea mineral resources and biological resources, deep-sea environmental monitoring and polar exploration. Background technique [0002] The sampling mechanism of the underwater sampler can be roughly divided into three categories: one is to rely on the gravity of the sampler to rush into the underwater sediment layer. When the sampler is flushed into the sediment layer, the hydrate in the sampler cavity is compressed, and the hydrate flows out from the pressure relief valve of the sampler. When the pressure in the cavity is lower than the threshold of the relief valve, the relief valve closes. Lift the sampler, the sediment in the sampler slides down, and a vacuum appears in the sampler cavity. Use this vacuum to absorb the sediment layer and part of the water-air mixture. [000...

Claims

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Application Information

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IPC IPC(8): G01N1/02G01N1/12
Inventor 张银亮胡克燕奎臣王棣棠
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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