A standard gas preparation device

A standard gas and gas cylinder technology, used in gas and gas/vapor mixing, mixer accessories, mixers, etc., can solve the problems of affecting accuracy, complicated operation, error-prone, etc., to improve work efficiency, ensure uniformity, Guaranteed effect of accuracy
CN109865440BActive Publication Date: 2021-08-31ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY
Publication Date
2021-08-31

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Abstract

The invention discloses a standard gas preparation device, which comprises a gas distributing bottle, and a piston is arranged in the gas distributing bottle. The first air inlet of the gas distribution bottle is connected with the first gas cylinder through the first gas delivery pipe, and the second air inlet of the gas distribution bottle is connected with the second gas cylinder through the second gas delivery pipe. The first air delivery pipe and the second air delivery pipe are respectively provided with a first air port and a second air port, and the first air port and the second air port are respectively provided with a first air bag and a second air bag. A first valve and a second valve are respectively provided on the first air delivery pipe on the air outlet side and the air inlet side of the first air bag, and a third valve is arranged on the first air port. A fourth valve and a fifth valve are respectively provided on the second air delivery pipe on the air outlet side and the air inlet side of the second air bag. The device can not only flexibly prepare a certain volume of standard gas according to needs, but also ensure that the pressure of the standard gas satisfies a standard atmospheric pressure.
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Description

Technical field

[0001] The present invention relates to a technical field detecting experimental apparatus, in particular to formulate a device for the preparation of standard gas. Background technique

[0002] Currently, the organic portion workplace poison detection using direct injection - gas chromatography, gas need to formulate a series of standards to produce a calibration curve.

[0003] Currently a device for the preparation of standard gas mainly about several issues:

[0004] First, the volume of the container is limited, only a volume of standard gas preparation, can not be flexibly volume control valve.

[0005] Second, conventional formulation means when required injection valve and are emboldened material (liquid or gas), and the need to calculate the volume and lung volume of the container according to the starting material, respectively, prior to formulation, more complex operations, and error-prone.

[0006] Third, the standard gas pressure of a conventional for...

Claims

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