Automatic special gas filling system

Abstract

The utility model relates to an automatic special gas filling system. The automatic special gas filling system comprises a steel cylinder, a steel cylinder main pipeline connected with the steel cylinder, a gas filling unit and a gas discharging unit, wherein the gas filling unit and the gas discharging unit are respectively connected with the steel cylinder main pipeline; the device further comprises a purging unit and a sampler, wherein the purging unit comprises a first purging pipeline and a second purging pipeline. Through the structural arrangement of the purging unit and the sampler, purging and sampling detection functions can be integrated on an original pipeline system, the system integration is high, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to gas filling, and in particular to an automatic special gas filling system. Background Art

[0002] There are many categories of special gases, which can usually be divided into electronic gases, standard gases, environmental protection gases, medical gases, welding gases, sterilization gases, etc. They are widely used in electronics, electricity, petrochemicals, mining, steel, non-ferrous metal smelting, thermal engineering, biochemistry, environmental monitoring, medical research and diagnosis, food preservation and other fields.

[0003] After massive searches, it was found that the prior art announcement number is CN217030801U, which discloses a disilane filling system, including an integrated air intake cabinet, which includes a precooling cabinet and a negative pressure valve box, and a plurality of filling cylinders are arranged in the precooling cabinet. The bottle bodies of the filling cylinders are arranged in the precooling cabinet, and the bottle heads on the filling cylinders are connected to the main filling pipeline through the filling joints, and the main filling pipeline is respectively connected to the first filling branch, the second filling branch, the third filling branch, the fourth filling branch and the fifth filling branch. The utility model is a disilane filling system, which improves the functionality and work efficiency of the filling operation through the structural arrangement of the integrated air intake cabinet and the plurality of filling cylinders. The utility model has a high degree of automation, reasonable pipeline arrangement and is easy to use.

[0004] To summarize, the existing gas filling system is generally a structure in which an inflation unit and a deflation unit are respectively connected to the cylinder to realize the inflation and deflation process of the gas cylinder. Before and after the cylinder is inflated and deflated, it is necessary to sample and test the gas in the gas cylinder. The existing technology generally uses a separate sampler, and the system integration is poor.

[0005] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a special gas automatic filling system to make it more valuable for industrial use. Utility Model Content

[0006] In order to solve any of the above technical problems, the purpose of the utility model is to provide a special gas automatic filling system.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A special gas automatic filling system comprises a steel cylinder, a steel cylinder main line connected to the steel cylinder, and a gas charging unit and a gas discharging unit respectively connected to the steel cylinder main line;

[0009] It also includes a purge unit and a sampler, the purge unit includes a first purge pipeline and a second purge pipeline, the first end of the first purge pipeline is connected to the first purge interface, the second end of the first purge pipeline is connected to the first end of the sampler, the first end of the second purge pipeline is connected to the second purge interface, the second end of the second purge pipeline is connected to the second end of the sampler, and the third end of the second purge pipeline is connected to the cylinder main pipeline;

[0010] The inflation unit comprises a first inflation pipeline, a first end of the first inflation pipeline is connected to the first inflation interface, and a second end of the first inflation pipeline is connected to the cylinder main pipeline;

[0011] The deflation unit comprises a first deflation pipeline, a first end of the first deflation pipeline is connected to a first deflation interface, and a second end of the first deflation pipeline is connected to a main pipeline of the cylinder.

[0012] As a further improvement of the present invention, the inflation unit also includes a second inflation pipeline, a first end of the second inflation pipeline is connected to the second inflation interface, and a second end of the second inflation pipeline is connected to the first inflation pipeline.

[0013] As a further improvement of the present invention, the deflation unit further includes a second deflation pipeline, a first end of the second deflation pipeline is connected to the second deflation interface, and a second end of the second deflation pipeline is connected to the first deflation pipeline.

[0014] As a further improvement of the present invention, a transfer purge pipeline is connected between the first purge pipeline and the second purge pipeline.

[0015] As a further improvement of the utility model, it also includes a return pipeline, a first end of the return pipeline is connected to the first vent pipeline, and a second end of the return pipeline is connected to the second purge pipeline.

[0016] As a further improvement of the utility model, it also includes an exhaust gas collector, the first end of the sampler is connected to the first end of the exhaust gas collector through a sampling discharge pipeline, and the second end of the exhaust gas collector is connected to the exhaust gas discharge pipeline.

[0017] As a further improvement of the utility model, barometers are installed at both ends of the sampler.

[0018] By means of the above solution, the utility model has at least the following advantages:

[0019] The utility model can integrate the purging and sampling detection functions on the original pipeline system through the structural arrangement of the purging unit and the sampler, and the system integration is strong, thereby improving the work efficiency;

[0020] The utility model can collect the sampled waste gas through the waste gas collector and process it uniformly through the waste gas discharge pipeline.

[0021] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 The utility model is a structural schematic diagram of a special gas automatic filling system.

[0024] The meanings of the various reference numerals in the figures are as follows.

[0025] Steel cylinder 1, steel cylinder main line 2, first charging line 3, first charging interface 4, second charging line 5, second charging interface 6, first deflation line 7, first deflation interface 8, second deflation line 9, second deflation interface 10, first purge line 11, first purge interface 12, transit purge line 13, second purge line 14, second purge interface 15, reflux line 16, sampler 17, sampling discharge line 18, exhaust gas collector 19, exhaust gas discharge line 20. DETAILED DESCRIPTION

[0026] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0027] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model usually described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but only represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.

[0028] Example

[0029] like Figure 1 As shown,

[0030] A special gas automatic filling system comprises a steel cylinder 1, a steel cylinder main line 2 connected to the steel cylinder 1, and a charging unit, a deflation unit and a purging unit respectively connected to the steel cylinder main line 2.

[0031] 1. The inflation unit includes a first inflation pipeline 3 and a second inflation pipeline 5:

[0032] The first end of the first gas charging pipeline 3 is connected to the first gas charging interface 4 , and the second end of the first gas charging pipeline 3 is connected to the cylinder main pipeline 2 .

[0033] A first end of the second inflation pipeline 5 is connected to the second inflation interface 6 , and a second end of the second inflation pipeline 5 is connected to the first inflation pipeline 3 .

[0034] 2. The deflation unit includes a first deflation pipeline 7 and a second deflation pipeline 9:

[0035] The first end of the first air release pipeline 7 is connected to the first air release interface 8 , and the second end of the first air release pipeline 7 is connected to the cylinder main pipeline 2 .

[0036] A first end of the second deflation pipeline 9 is connected to the second deflation interface 10 , and a second end of the second deflation pipeline 9 is connected to the first deflation pipeline 7 .

[0037] 3. Purge unit and sampler 17:

[0038] The purge unit includes a first purge pipeline 11 and a second purge pipeline 14, the first end of the first purge pipeline 11 is connected to the first purge interface 12, the second end of the first purge pipeline 11 is connected to the first end of the sampler 17, the first end of the second purge pipeline 14 is connected to the second purge interface 15, the second end of the second purge pipeline 14 is connected to the second end of the sampler 17, and the third end of the second purge pipeline 14 is connected to the cylinder main pipeline 2.

[0039] Wherein, barometers are installed at both ends of the sampler 17 , and a transfer purge pipeline 13 is connected between the first purge pipeline 11 and the second purge pipeline 14 .

[0040] 4. Return line 16:

[0041] A first end of the return line 16 is connected to the first venting line 7 , and a second end of the return line 16 is connected to the second purge line 14 .

[0042] 5. Exhaust gas collector 19:

[0043] A first end of the sampler 17 is connected to a first end of an exhaust gas collector 19 via a sampling and exhaust pipeline 18 , and a second end of the exhaust gas collector 19 is connected to an exhaust gas exhaust pipeline 20 .

[0044] Among them, the models, structures, working principles, etc. of the above-mentioned sampler 17 and exhaust gas collector 19 are all conventional technical means in the technical field, and no unnecessary restrictive explanations are given here.

[0045] The working process of this utility model is briefly described as follows:

[0046] The inflation unit composed of the first inflation pipeline 3 and the second inflation pipeline 5 inflates the cylinder 1 through the cylinder main pipeline 2, and the cylinder 1 is deflated through the cylinder main pipeline 2 and the deflation unit composed of the first deflation pipeline 7 and the second deflation pipeline 9.

[0047] The steel cylinder 1 needs to be purged before and after filling and discharging. At this time, the high-purity nitrogen in the second purge pipeline 14 enters the steel cylinder 1 through the steel cylinder main pipeline 2. During the emptying process, the gas in the steel cylinder 1 flows back to the second purge pipeline 14 through the reflux pipeline 16.

[0048] Before sampling is required, the sampler 17 can be purged through the first purge pipeline 11 and the second purge pipeline 14, and then the sampler 17 samples the cylinder 1 through the cylinder main pipeline 2. The detected exhaust gas is discharged through the sampling discharge pipeline 18, the exhaust gas collector 19 and the exhaust gas discharge pipeline 20 in sequence.

[0049] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implying the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0050] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A special gas automatic filling system, comprising a steel cylinder (1), a steel cylinder main line (2) connected to the steel cylinder (1), and a gas filling unit and a gas deflation unit respectively connected to the steel cylinder main line (2); Features: It also includes a purge unit and a sampler (17), wherein the purge unit includes a first purge pipeline (11) and a second purge pipeline (14), wherein a first end of the first purge pipeline (11) is connected to a first purge interface (12), a second end of the first purge pipeline (11) is connected to a first end of the sampler (17), a first end of the second purge pipeline (14) is connected to a second purge interface (15), a second end of the second purge pipeline (14) is connected to a second end of the sampler (17), and a third end of the second purge pipeline (14) is connected to a cylinder main pipeline (2); The inflation unit comprises a first inflation pipeline (3), a first end of the first inflation pipeline (3) being connected to a first inflation interface (4), and a second end of the first inflation pipeline (3) being connected to a cylinder main pipeline (2); The deflation unit comprises a first deflation pipeline (7), a first end of the first deflation pipeline (7) being connected to a first deflation interface (8), and a second end of the first deflation pipeline (7) being connected to a cylinder main pipeline (2).

2. A special gas automatic filling system as claimed in claim 1, characterized in that: The inflation unit further comprises a second inflation pipeline (5), a first end of the second inflation pipeline (5) being connected to a second inflation interface (6), and a second end of the second inflation pipeline (5) being connected to the first inflation pipeline (3).

3. The automatic special gas filling system according to claim 1, characterized in that: The deflation unit further comprises a second deflation pipeline (9), a first end of the second deflation pipeline (9) being connected to a second deflation interface (10), and a second end of the second deflation pipeline (9) being connected to the first deflation pipeline (7).

4. The automatic special gas filling system according to claim 1, characterized in that: A transfer purge pipeline (13) is also connected between the first purge pipeline (11) and the second purge pipeline (14).

5. The automatic filling system for special gases according to claim 1, characterized in that: It also comprises a return pipeline (16), wherein a first end of the return pipeline (16) is connected to the first venting pipeline (7), and a second end of the return pipeline (16) is connected to the second purge pipeline (14).

6. The automatic filling system for special gases according to claim 1, characterized in that: It also includes an exhaust gas collector (19), wherein the first end of the sampler (17) is connected to the first end of the exhaust gas collector (19) via a sampling discharge pipeline (18), and the second end of the exhaust gas collector (19) is connected to an exhaust gas discharge pipeline (20).

7. The automatic special gas filling system according to claim 1, characterized in that: Barometers are installed at both ends of the sampler (17).

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