Solid-liquid separation equipment for detecting derivatives of irradiated aquatic products
A technology for solid-liquid separation and aquatic products, which is applied in the field of solid-liquid separation equipment for detecting derivatives of irradiated aquatic products. It can solve the problems affecting the filtration treatment of sample extracts and insufficient negative pressure, and achieve the effect of solving poor sealing.
Active Publication Date: 2019-01-25
ZHEJIANG MARINE DEV RES INST
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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. Solid-liquid separation equipment used to detect derivatives of irradiated aquatic products in vivo, resulting in insufficient negative pressure in the closed cavity, which affects the filtration treatment of sample extracts
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[0021] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0022] Such as figure 1 As shown, a solid-liquid separation device for detecting derivatives of irradiated aquatic products includes vacuum equipment, a sealed box body 1, a negative pressure suction port 13 arranged on the outer side of the sealed box body, and a vacuum suction port 13 arranged on 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, the self-adaptive pre-tightening sealing mechanism 5 and the filter cartridge jacking mechanism 6 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.
[0023] A firs...
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The invention discloses solid-liquid separation equipment for detecting an irradiation aquatic product derivative, and aims at providing solid-liquid separation equipment for effectively solving the problems in a vacuumizing process that the sealing between a filter cartridge and a sealed box body is not good, external gas enters a vacuumized sealed cavity, and negative pressure in the sealed cavity is not enough, so that filtering treatment of a sample extracting solution is influenced. The solid-liquid separation equipment comprises a sealed box body, a placement sleeve body arranged on an outer top surface of the sealed box body, the filter cartridge which is inserted into the placement sleeve body, and a self-adaptive pre-tightening sealing mechanism and a filter cartridge jacking mechanism which are arranged in the sealed box body.
Description
technical field [0001] The invention relates to the field of detection of derivatives of irradiated aquatic products, in particular to a solid-liquid separation device for detecting derivatives of irradiated aquatic products. Background technique [0002] At present, in response to the increasingly severe safety issues of irradiated aquatic products, research on the detection technology of irradiated aquatic products derivatives is gradually carried out, the monitoring of irradiated aquatic products and the comprehensive and systematic research on the quality of irradiated aquatic products improve the safety of aquatic products control to ensure the quality and safety of aquatic products. In the detection of derivatives of irradiated aquatic products, the sample extract obtained after the sample pretreatment of aquatic products needs to be filtered, and the filtered liquid can be used for instrumental analysis. [0003] The negative pressure filtration method is currently u...
Claims
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IPC IPC(8): G01N1/34
CPCG01N1/34
Inventor 相兴伟
Owner ZHEJIANG MARINE DEV RES INST