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a sampling device

A technology of sampling device and air inlet pipe, applied in the direction of analyzing materials, instruments, etc., can solve the problem of inability to cool liquid samples

Active Publication Date: 2022-05-13
UNIV OF SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the sampling device for cooling the liquid sample cannot be realized in the prior art

Method used

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  • a sampling device

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Embodiment Construction

[0026] The object of the present invention is to provide a sampling device, the structural design of the sampling device can cool the liquid sample and control the temperature so that the liquid sample can be injected at a required concentration.

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left" and "right" are based on th...

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Abstract

The invention discloses a sampling device, which comprises a container for holding a liquid sample and a liquid inlet pipe whose one end communicates with the inside of the container; The inner end is connected with a bubble ball; one end is connected to the air outlet pipe inside the container, and the bubble ball is arranged lower than the inlet of the air outlet pipe; the refrigeration component is used to provide the container The temperature of the liquid sample in the container is lowered; the temperature controller is used to switch the working state of the refrigeration component to keep the temperature of the liquid sample in the container within a preset temperature range. When the temperature of the liquid sample in the container is not within the preset temperature range, the temperature controller operates the refrigeration unit to cool down the liquid sample in the container. In this way, it can be ensured that the temperature of the liquid sample in the container is kept within the preset temperature range, and then the liquid sample in the container can be injected at a concentration that meets the requirement.

Description

technical field [0001] The invention relates to the technical field of gas phase reaction kinetics, and more specifically, relates to a sampling device. Background technique [0002] In the experimental study of gas phase reaction kinetics, the sample must enter the vacuum system in a gaseous state. When the reactant is a gas, the gas molecules can usually enter the reaction chamber directly through the pulse valve ultrasonic jet. However, in some cases, the reactant we are studying is a liquid, and at this time, it is necessary to use a carrier gas (usually an inert gas such as argon or helium) to load the reactant vapor into the reaction chamber. Since the injection concentration of the reactant is a very important parameter in the experiment, and some experiments require the reactant to be injected at a relatively low concentration and pressure, so as to reduce the formation of clusters in the ultrasonic jet injection. When the reactant is liquid, there is a certain rel...

Claims

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Application Information

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IPC IPC(8): G01N35/10
CPCG01N35/10G01N35/00G01N2035/00425
Inventor 王兴安周林
Owner UNIV OF SCI & TECH OF CHINA