CN219434755U

CN219434755U - Helium purity analysis sampling system

Info

Publication number: CN219434755U
Application number: CN202320423998.0U
Authority: CN
Inventors: 黄健文; 田兵; 潘超; 周洛兰; 廖国文; 谭红勇
Original assignee: Zhongshan Yuejia Gas Co ltd
Current assignee: Zhongshan Yuejia Gas Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-07-28
Anticipated expiration: 2033-03-08

Abstract

The utility model provides a helium purity analysis sampling system which comprises a plurality of gas sampling pipelines, connecting pipelines and gas chromatographic analyzers, wherein each gas sampling pipeline is provided with a first valve, the tail end of each gas sampling pipeline is provided with a first connecting piece, the connecting pipelines are provided with second connecting pieces, and the second connecting pieces are detachably connected with the first connecting pieces so that gas of corresponding containers can be led into the gas chromatographic analyzers. According to the utility model, the first connecting piece and the second connecting piece are arranged, so that the connecting pipeline can be communicated with different gas sampling pipelines, one gas chromatograph can respectively detect the purity of helium in different containers, and the production cost is saved.

Description

Helium purity analysis sampling system

Technical Field

The utility model relates to the field of helium filling, in particular to a helium purity analysis sampling system.

Background

Helium has stable chemical property, is an inert gas and has wide application. In order to facilitate the transportation and use of helium, helium is filled into various containers through a filling system, and before shipment, manufacturers need to check the purity of helium in various containers to determine whether the purity of the filled helium meets the requirements. The existing production mode is that each container is matched with one gas chromatographic analyzer, so that the production cost is high. In view of this, a helium purity analysis sampling system was developed.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art.

The utility model provides a helium purity analysis sampling system which comprises a plurality of gas sampling pipelines, connecting pipelines and gas chromatograph, wherein each gas sampling pipeline is provided with a first valve, the tail end of each gas sampling pipeline is provided with a first connecting piece, each connecting pipeline is provided with a second connecting piece, and the second connecting pieces are detachably connected with the first connecting pieces so that gas of a corresponding container can be introduced into the gas chromatograph.

According to some embodiments of the utility model, the second connector is threadably coupled to the first connector.

According to some embodiments of the utility model, the connecting line is provided with a hose at an end near the second connector.

According to some embodiments of the utility model, the connecting pipeline is connected with a gas recovery pipeline.

According to some embodiments of the utility model, the gas recovery line comprises a second valve, a safety valve and a gas recovery device arranged in sequence.

According to some embodiments of the utility model, a third valve is provided on the connecting line, the third valve being located between the gas recovery line and the gas chromatograph.

According to some embodiments of the utility model, the helium purity analysis sampling system further comprises an operation panel, and the first valve, the second valve, the safety valve, and the third valve are all disposed on the operation panel.

The utility model has at least the following technical effects:

1. according to the helium purity analysis sampling system provided by the embodiment of the utility model, the first connecting piece and the second connecting piece are arranged, so that the connecting pipeline can be communicated with different gas sampling pipelines, one gas chromatograph can respectively detect the purity of helium in different containers, and the production cost is saved.

2. The helium purity analysis sampling system provided by the embodiment of the utility model is further provided with the operation panel, and the first valve, the second valve, the safety valve and the third valve are integrated on the operation panel, so that the operation of staff is facilitated.

Drawings

FIG. 1 is an overall schematic of an embodiment of the present utility model.

Reference numerals: the gas sampling line 100, the connection line 200, the third valve 210, the gas chromatograph 300, the first valve 400, the first connector 500, the second connector 600, the hose 700, the second valve 800, the safety valve 810, the gas recovery device 820, and the operation panel 900.

Detailed Description

The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined in the claims and their equivalents. The description includes various specific details to aid in understanding, but these details should be regarded as merely exemplary. Accordingly, one of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. In addition, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to literal meanings, but are only used by the inventors to enable a clear and consistent understanding of the disclosure. Thus, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.

It is to be understood that the singular form "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component surface" includes reference to one or more such surfaces.

The terms "having," "can have," "including," or "can include" as used in various embodiments of the present disclosure indicate the presence of a corresponding function, operation, element or the like disclosed, but are not limited to additional one or more functions, operations, elements or the like.

Furthermore, it should be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to specify the presence of stated features, integers, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, or groups thereof.

As shown in fig. 1, the present utility model provides a helium purity analysis sampling system, which comprises a plurality of gas sampling pipelines 100, connecting pipelines 200 and gas chromatograph 300, wherein each gas sampling pipeline 100 is provided with a first valve 400, the tail end of each gas sampling pipeline is provided with a first connecting piece 500, the connecting pipeline 200 is provided with a second connecting piece 600, and the second connecting pieces 600 are detachably connected with the first connecting pieces 500, so that the gas of a corresponding container can be introduced into the gas chromatograph 300. According to the utility model, the first connecting piece 500 and the second connecting piece 600 are arranged, so that the connecting pipeline 200 can be communicated with different gas sampling pipelines 100, one gas chromatograph 300 can respectively detect the purity of helium in different containers, and the production cost is saved.

In some embodiments, to facilitate the disassembly and assembly of the first and second connectors 500 and 600, the second connector 600 is threaded with the first connector 500.

In some embodiments, the connecting line 200 is provided with a hose 700 at an end near the second connector 600. In the case of purity detection of different containers, the second connector 600 needs to be moved to the corresponding first connector 500 and docked, and the hose 700 is provided for convenient operation.

In some embodiments, to reduce the waste of helium, a gas recovery line is connected to the connecting line 200. Before the purity of helium in various containers is detected, air in a pipeline is required to be discharged, a gas recovery pipeline is used for recovering discharged mixed gas, and the mixed gas can be continuously put into use after being purified, so that the waste of helium is reduced, and the production cost is further saved.

In some embodiments, the gas recovery line includes a second valve 800, a safety valve 810, and a gas recovery device 820, which are disposed in sequence. When it is desired to discharge the air in the pipe, the second valve 800 is opened, the air can be discharged from the gas recovery pipe to the gas recovery device 820, and after a period of time, the air in the pipe is evacuated, the second valve 800 is closed, and then helium purity detection is performed.

In some embodiments, a third valve 210 is disposed on the connecting line 200, the third valve 210 being located between the gas recovery line and the gas chromatograph 300. When the air in the pipe needs to be exhausted, the third valve 210 is closed, and when helium purity detection is required, the third valve 210 is opened.

In certain embodiments, the present utility model further comprises an operation panel 900, and the first valve 400, the second valve 800, the safety valve 810, and the third valve 210 are all disposed on the operation panel 900. The first valve 400, the second valve 800, the safety valve 810, and the third valve 210 are integrated to the operation panel 900, which is convenient for the operator to operate.

The foregoing is a further detailed description of the utility model in connection with specific embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that several simple deductions or substitutions can be made without departing from the spirit of the utility model.

Claims

1. Helium purity analysis sampling system, its characterized in that: including a plurality of gas sampling pipeline (100), connecting line (200) and gas chromatograph (300), every all be provided with first valve (400) on gas sampling pipeline (100), the tail end all is provided with first connecting piece (500), be provided with second connecting piece (600) on connecting line (200), second connecting piece (600) with first connecting piece (500) can dismantle the connection, so that the gas of corresponding container can let in gas chromatograph (300).

2. The helium purity analysis sampling system of claim 1, wherein: the second connecting piece (600) is in threaded connection with the first connecting piece (500).

3. The helium purity analysis sampling system of claim 2, wherein: a hose (700) is arranged at one end of the connecting pipeline (200) close to the second connecting piece (600).

4. A helium purity analysis sampling system according to claim 3 wherein: the connecting pipeline (200) is connected with a gas recovery pipeline.

5. The helium purity analysis sampling system of claim 4, wherein: the gas recovery pipeline comprises a second valve (800), a safety valve (810) and a gas recovery device (820) which are sequentially arranged.

6. The helium purity analysis sampling system of claim 5, wherein: a third valve (210) is arranged on the connecting pipeline (200), and the third valve (210) is positioned between the gas recovery pipeline and the gas chromatograph (300).

7. The helium purity analysis sampling system of claim 6 wherein: the valve further comprises an operation panel (900), and the first valve (400), the second valve (800), the safety valve (810) and the third valve (210) are all arranged on the operation panel (900).