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Filtering device for extracting shellfish toxin

A suction filtration device and shellfish toxin technology, which is applied in the field of suction filtration devices for extracting shellfish toxins, can solve the problems of insufficient negative pressure, affecting the filtration treatment of sample extracts, etc., to facilitate sample loading or cleaning, and solve the problem of poor sealing Effect

Active Publication Date: 2017-03-08
MARINE FISHERIES RES INST OF ZHEJIANG
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a closed cavity that can effectively solve the problem of external air entering the vacuum due to poor sealing between the filter cartridge and the sealed box during the vacuum pumping process. Suction filtration device for extracting shellfish toxins in the body, which leads to insufficient negative pressure in the closed cavity, which affects the filtration treatment of the sample extraction solution

Method used

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  • Filtering device for extracting shellfish toxin
  • Filtering device for extracting shellfish toxin
  • Filtering device for extracting shellfish toxin

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0023] Such as figure 1 As shown, a suction filter device for extracting shellfish toxins includes vacuum equipment, a sealed box body 1, an auxiliary jacking mechanism 6, a negative pressure suction port 13 arranged on the outer side of the sealed box body, The placement casing 2 on the outer top surface and sealingly connected with the sealing box, the filter cartridge 3 inserted in the placement casing, and the self-adaptive pre-tightening sealing mechanism 5 arranged in the sealing box. The negative pressure suction port communicates with the inner cavity of the sealed box. The vacuum equipment in this embodiment is an air pump. The vacuum device is connected to the negative pressure suction port through a second pipeline.

[0024] A first interface 14 communicating with the outer side of the sealed box is provided on the inner side of th...

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Abstract

The invention discloses a filtering device for extracting shellfish toxin, and aims to provide a filtering device capable of effectively solving the problem that the negative pressure in a closed cavity is not enough and filtering process of the sample extracting fluid is influenced for the sealing between a filtering cylinder and a sealing box body is poor, and outside gas enters a vacuumized closed cavity. The filtering device includes a sealing box body, an assistant jacking mechanism, a sleeve body placed on an outer top face of the sealing box body, a filtering cylinder plugged in the placing sleeve body, and a self-adaptive pre-tightening sealing mechanism arranged in the sealing box body; a first interface interconnected to the outside face of the sealing box body is arranged on the inside face of the inner cavity of the sealing box body.

Description

technical field [0001] The invention relates to a suction filter device, in particular to a suction filter device for extracting shellfish toxins. Background technique [0002] Shellfish poisons include paralytic shellfish poisons (PSP), diarrhea shellfish poisons (DSP), neuropathic shellfish poisons (NSP) and amnestic shellfish poisons (ASP). The hazards of shellfish toxins are sudden and widespread. Due to their high toxicity, quick response, and lack of suitable antidotes, many difficulties have been brought to the prevention and control. At present, in response to the safety of shellfish aquatic products, research on detection technology of shellfish toxins is gradually carried out to improve the safety control of shellfish products. In the detection and research of shellfish toxins, the sample extract obtained after shellfish sample pretreatment needs to be filtered. [0003] Negative pressure filtration is currently a commonly used method for filtering shellfish toxi...

Claims

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Application Information

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IPC IPC(8): G01N1/34
CPCG01N1/34
Inventor 顾蓓乔朱敬萍张小军金雷李佩佩陈瑜梅光明
Owner MARINE FISHERIES RES INST OF ZHEJIANG
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