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Sample concentrator

A concentrator and sample technology, which is applied in the field of sample pretreatment concentrators, can solve the problems of inconsistent airflow in different pipelines, inconvenient adjustment, poor applicability, etc., and achieves the effect of avoiding poor reliability and good portability.

Inactive Publication Date: 2016-01-06
BEIJING KWINBON BIOTECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the sample concentrator disclosed in the prior art is equipped with a controlled atmosphere system in the instrument box, which realizes the purpose of being able to operate outdoors and process multiple samples at the same time, but its air path control adopts overall control, and the manifold pipe distributes the air flow. The airflow size of different pipelines is easy to be inconsistent, it is not easy to adjust, and the applicability is poor

Method used

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Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings, but it is not intended to limit the present invention.

[0013] The sample concentrator of the present invention includes a housing 1 supporting the entire structural unit, a multi-channel gas supply system, and a temperature control system.

[0014] The upper opening of the shell 1 supporting the entire structural unit of the sample concentrator has a bracket 9 for holding a sample tube 7 , and the bracket 9 has a sample tube hole 8 .

[0015] Multi-channel air supply system, including an air pump for pressurizing the gas, which is placed inside the housing 1, a switch device 3 for controlling the air pump, which is located on one side of the housing 1, and an air guide panel 10 for distributing the air flow , the air guide panel 10 is provided with a plurality of air blowing pipes 11, the outlet of the air blowing pipes 11 is aligned with the sample tube hole...

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Abstract

The invention relates to a sample concentrator. The sample concentrator comprises a housing for supporting the whole structure unit, a support which is provided with multiple sample pipe holes and is used for receiving a sample pipe, a temperature control system and a multiple-path gas supply system. The temperature control system comprises a heating device and a switch device. The multiple-path gas supply system comprises an air pump, a switch device, a gas guide panel, gas blowpipes and a limiting device. The gas guide panel is crosswise provided with the multiple gas blowpipes. The air pump, the gas guide panel and the multiple gas blowpipes are orderly and hermetically communicated. The limiting device is arranged between the air pump and the gas guide panel and is used for adjusting height of the gas guide panel. A gas speed adjustment control valve is seal-connected to each one of the gas blowpipes and the gas guide panel and is arranged between the gas blowpipe and the gas guide panel. The sample concentrator utilizes single-air passage control and satisfies different gas amount requirements on treatment on different samples.

Description

technical field [0001] The invention relates to a sample pretreatment concentration device, in particular to a portable sample concentrator with an air pump and single pipeline control. Background technique [0002] In the field of food safety analysis, in order to obtain the residual amount of the target compound, the sample to be tested needs to be pretreated, and one of the important tasks is to concentrate the pretreated sample. At present, the most common pre-treatment concentration device is mainly nitrogen blowing instrument. The traditional nitrogen blowing instrument has a small sample volume and a large volume, and needs to rely on an external gas source to realize its functions. The portability is poor, and it cannot meet the needs of large-scale sample analysis on site. Therefore, it is necessary to develop a pretreatment concentrator with good portability and a large amount of detection samples. [0003] At present, the sample concentrator disclosed in the prio...

Claims

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Application Information

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IPC IPC(8): G01N1/40
Inventor 何方洋陈立春万宇平刘平吴小胜刘文宾蒋金锋张禹
Owner BEIJING KWINBON BIOTECH
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