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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

Active Publication Date: 2021-08-31
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] First, due to the limitation of the volume of the container, only a certain volume of standard gas can be prepared, and the gas distribution volume cannot be flexibly controlled according to the needs
[0005] Second, the traditional preparation device needs to inject base gas and raw material (liquid or gas) separately when distributing gas, and needs to calculate the volume of base gas and raw material according to the volume of the container before preparation, the operation is more complicated and error-prone
[0006] Third, the pressure of the standard gas prepared by the traditional preparation device often cannot strictly meet a standard atmospheric pressure, resulting in inaccurate concentration when extracting the standard gas, which affects the accuracy of detection

Method used

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Examples

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Embodiment Construction

[0043] like figure 1 , The apparatus comprises a standard formulation with gas cylinders 1, 2 of the first pipeline, a first cylinder 3, the second pipeline 4 and the second cylinder 5, the inner cylinder 1 is provided with a piston said cylinder is provided with intake port 11 and taken on a scale.

[0044] like Figure 13 Shown, with the blind end of the cylinder 1 (inlet end) is provided with a first intake port 12 and the second intake port 13, the first intake port 12 by the first pipeline 2 and said first cylinder 3 is connected to the second intake port 13 is connected by a second pipeline 4 and 5 of the second cylinder.

[0045] like figure 1 Shown, the second pipeline 2 and 4 are respectively provided a first pipeline with a first port 21 and second port 41, the first port 21 and second port 41 are provided with a soft by the bag 22 made of a first material and the second bag 42.

[0046] like figure 1 Shown, the first output conduit 2 located on the outlet side and the in...

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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.

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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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F3/02B01F15/04B01F23/10
Inventor 巩泉泉谢连科王胜锋江红尹建光王坤张永窦丹丹马新刚刘辉臧玉魏张国英张兆波陈超崔相宇
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY
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