CN219933728U - Air supply device with automatic switching function - Google Patents
Air supply device with automatic switching function Download PDFInfo
- Publication number
- CN219933728U CN219933728U CN202321172911.3U CN202321172911U CN219933728U CN 219933728 U CN219933728 U CN 219933728U CN 202321172911 U CN202321172911 U CN 202321172911U CN 219933728 U CN219933728 U CN 219933728U
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- Prior art keywords
- main
- fixedly connected
- valve
- auxiliary
- steel cylinder
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 239000010959 steel Substances 0.000 claims abstract description 80
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 abstract description 71
- 238000004891 communication Methods 0.000 abstract description 15
- 239000012159 carrier gas Substances 0.000 abstract description 9
- 238000004458 analytical method Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a gas supply device with an automatic switching function; the device comprises a three-way electromagnetic valve, wherein a main cutting sleeve tee joint II and an auxiliary cutting sleeve tee joint II are fixedly connected to two ends of the three-way electromagnetic valve, a cut-off valve I is fixedly connected to one end of the main cutting sleeve tee joint II, a communication valve is fixedly connected between the main cutting sleeve tee joint II and the auxiliary cutting sleeve tee joint II, one end of the communication valve is electrically connected with a main steel cylinder output pressure detection display controller, one end of the main cutting sleeve tee joint II is fixedly connected with a main air supply assembly, and one side of the auxiliary cutting sleeve tee joint II is fixedly connected with an auxiliary air supply assembly; the main air supply assembly comprises a main air supply steel cylinder and a main steel cylinder pressure reducing valve, and a main steel cylinder pressure indicator is fixedly connected between the main air supply steel cylinder and the main steel cylinder pressure reducing valve; the device has the advantages that when the main gas supply steel cylinder is replaced, the communication valve, the first cut-off valve and the main emptying valve are closed and opened to clean the air in the pipeline through the auxiliary gas steel cylinder, so that the air is prevented from being mixed with carrier gas and reference gas.
Description
Technical Field
The utility model relates to the technical field of air separation industrial gas analysis, in particular to a gas supply device with an automatic switching function.
Background
In the air separation industry, the main products are oxygen, nitrogen and argon, along with the development of the industry, an air inlet is required to be configured for analysis, main cooling total carbon analysis and acetylene analysis are required to be performed from the safety aspect, rare gases such as helium and the like are required to be purified from an air separation device in the aspect of rare gas purification, the quality monitoring of the products is required to be configured with an online analyzer, some analyzers need carrier gas, some analyzers need reference gas, normally 40L steel cylinders provide carrier gas or reference gas, the output pressure of the steel cylinders is continuously reduced along with the use of the analyzers, and whether the carrier gas or the reference gas of the steel cylinders reaches the replacement standard is required to be frequently checked manually;
however, since the carrier gas and the reference gas are generally high-purity (99.999%) gases, unavoidable air enters the analysis system in the process of replacing the steel cylinder and removing the pressure reducing valve, and since the carrier gas is a stable background gas and the reference gas is a reference standard, the carrier gas and the reference gas mixed with air cannot meet the purity requirement, the analysis result is inaccurate, and generally 8-24 hours are required to replace the unqualified carrier gas and the reference gas, and during this period, accurate analysis results cannot be provided for operators to perform operation reference, thereby seriously affecting the working progress.
Disclosure of Invention
In view of the foregoing, it is desirable to provide an air supply device with an automatic switching function, so as to solve or alleviate the technical problems in the prior art, and at least provide a beneficial choice.
The technical scheme of the embodiment of the utility model is realized as follows: including three-way solenoid valve, three-way solenoid valve both ends fixedly connected with main cutting ferrule tee bend two and assist cutting ferrule tee bend two, main cutting ferrule tee bend two one end fixedly connected with trip valve one, fixedly connected with communication valve between main cutting ferrule tee bend two and the assist cutting ferrule tee bend two, communication valve one end electric connection has main steel bottle output pressure to detect the display controller, main cutting ferrule tee bend two one end fixedly connected with main air feed subassembly, assist cutting ferrule tee bend two one side fixedly connected with auxiliary air feed subassembly.
In some embodiments, the main gas supply assembly comprises a main gas supply cylinder and a main cylinder pressure reducing valve, and a main cylinder pressure indicator is fixedly connected between the main gas supply cylinder and the main cylinder pressure reducing valve.
In some embodiments, the main air supply assembly further comprises a main steel bottle output pressure indicator and a main cutting sleeve tee joint I, one end of the main steel bottle output pressure indicator is fixedly connected to one side of the main steel bottle pressure reducing valve, and two ends of the main steel bottle output pressure detection display controller are fixedly connected between the main cutting sleeve tee joint I and the main steel bottle output pressure indicator.
In some embodiments, the main ferrule tee is fixedly connected with a main vent valve at one end.
In some embodiments, the auxiliary gas supply assembly comprises an auxiliary gas cylinder and an auxiliary cylinder pressure reducing valve, and an auxiliary cylinder pressure indicator is fixedly connected to one side of the auxiliary gas cylinder and one side of the auxiliary cylinder pressure reducing valve.
In some embodiments, an auxiliary steel cylinder output pressure indicator is fixedly connected to one side of the auxiliary steel cylinder pressure reducing valve.
In some embodiments, one end of the auxiliary steel cylinder output pressure indicator is fixedly connected with an auxiliary cutting sleeve tee joint I.
In some embodiments, the first end of the auxiliary cutting sleeve tee is fixedly connected with a second cut-off valve and an auxiliary emptying valve, and the second end of the cut-off valve is fixedly connected with the second auxiliary cutting sleeve tee.
By adopting the technical scheme, the embodiment of the utility model has the following advantages:
1. the air supply device with automatic switching function has the advantages of preventing air from mixing into carrier gas and reference gas by closing and opening the communication valve, the first cut-off valve and the main blow-off valve when the main air supply steel cylinder is replaced so as to clean air in a pipeline through the auxiliary air steel cylinder.
2. A gas supply device with automatic switching function detects the output gas pressure of a main gas supply steel cylinder in a main gas supply component pipeline through a main steel cylinder output pressure detection display controller, and switches the gas supply of an auxiliary gas steel cylinder when the pressure is lower than 0.6mpa, so that the frequency of replacing the gas supply steel cylinder is reduced.
3. A gas supply device with automatic switching function is characterized in that a communication valve is opened to enable gas supply cylinders on two sides to supply gas simultaneously, pressure is synchronously reduced, available gas is more, and replacement frequency is reduced.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of the structure of the present utility model;
FIG. 2 is a side view of the first embodiment of the present utility model;
fig. 3 is a side view of the second embodiment of the present utility model.
Reference numerals:
11. a main gas supply steel cylinder; 12. a main steel cylinder pressure reducing valve; 13. a main vent valve; 14. a main cutting sleeve tee joint I; 15. a first cut-off valve; 16. a main cutting sleeve tee joint II; 17. a main steel cylinder pressure indicator; 18. the main steel cylinder outputs a pressure indicator; 19. the main steel cylinder output pressure detection display controller; 21. an auxiliary gas steel cylinder; 22. a relief valve of the auxiliary steel cylinder; 23. an auxiliary vent valve; 24. an auxiliary cutting sleeve tee joint I; 25. a second shut-off valve; 26. an auxiliary cutting sleeve tee joint II; 27. an auxiliary steel cylinder pressure indicator; 28. outputting a pressure indicator by the auxiliary steel cylinder; 31. a communication valve; 32. a three-way electromagnetic valve.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-3, an air supply device with an automatic switching function comprises a three-way electromagnetic valve 32, two ends of the three-way electromagnetic valve 32 are fixedly connected with a main cutting sleeve tee joint II 16 and an auxiliary cutting sleeve tee joint II 26, the cutting sleeve tee joint is a component for splitting and converging, each end is a cutting sleeve component, a pipe fitting can be inserted and fastened, one end of the main cutting sleeve tee joint II 16 is fixedly connected with a first cut-off valve 15, the cut-off valve is equipment for switching on and off fluid in a controllable pipeline formed by a multi-spring pneumatic film actuating mechanism or a floating piston actuating mechanism and an adjusting valve, the equipment is commonly used in various air pipelines, a communication valve 31 is fixedly connected between the main cutting sleeve tee joint II 16 and the auxiliary cutting sleeve tee joint II 26, the communication valve 31 is preferably of a three-way type, one end of the communication valve 31 is electrically connected with a main steel bottle output pressure detection display controller 19, the main cutting sleeve output pressure detection display controller 19 is preferably a red flag digital pressure controller DPC-80D, one end of the main cutting sleeve tee joint II 16 is fixedly connected with a main air supply component, and one side of the auxiliary air supply component is fixedly connected with an auxiliary air supply component.
In this embodiment, the main gas supply assembly includes a main gas supply cylinder 11 and a main gas cylinder pressure reducing valve 12, a main gas cylinder pressure indicator 17 is fixedly connected between the main gas supply cylinder 11 and the main gas cylinder pressure reducing valve 12, and the main gas cylinder pressure reducing valve 12 is used for reducing the gas pressure when the main gas supply cylinder 11 outputs; the main gas supply assembly further comprises a main steel bottle output pressure indicator 18 and a main cutting sleeve tee joint I14, one end of the main steel bottle output pressure indicator 18 is fixedly connected to one side of the main steel bottle pressure reducing valve 12, the main steel bottle output pressure indicator 18 is used for detecting the output pressure of the main steel bottle pressure reducing valve 12, two ends of a main steel bottle output pressure detection display controller 19 are fixedly connected between the main cutting sleeve tee joint I14 and the main steel bottle output pressure indicator 18, and the main steel bottle output pressure detection display controller 19 indicates that the gas allowance of the main gas supply steel bottle 11 is insufficient when the output pressure is detected to be lower than 0.6 Mpa;
one end of the main cutting sleeve tee joint 14 is fixedly connected with a main blow-down valve 13, and the main blow-down valve 13 is used for exhausting gas when sweeping and blowing gas in a main gas supply assembly pipeline.
In this embodiment, the auxiliary air supply assembly includes an auxiliary air cylinder 21 and an auxiliary cylinder pressure reducing valve 22, the auxiliary air cylinder 21 is used for charging air into the pipeline to prevent air from mixing during ventilation, the pressure reducing valve in the device is preferably of the type HAICOTECG02T-A1-G1F1-BF-A, and one side of the auxiliary air cylinder 21 and one side of the auxiliary cylinder pressure reducing valve 22 are fixedly connected with an auxiliary cylinder pressure indicator 27; an auxiliary steel cylinder output pressure indicator 28 is fixedly connected to one side of the auxiliary steel cylinder pressure reducing valve 22; one end of the auxiliary steel cylinder output pressure indicator 28 is fixedly connected with an auxiliary cutting sleeve tee joint I24;
the two ends of the auxiliary cutting sleeve tee joint I24 are fixedly connected with a second cutting valve 25 and an auxiliary emptying valve 23, one end of the second cutting valve 25 is fixedly connected with the auxiliary cutting sleeve tee joint II 26, the cutting valve in the device is preferably Xiong Chuan SS-726K3, and the cutting sleeve tee joint is preferably Xiong Chuan SS-6 UT.
In this embodiment:
when the main gas supply cylinder 11 is replaced:
closing a first cut-off valve 15, opening a communication valve 31, closing a main gas supply steel cylinder 11, opening a main emptying valve 13, discharging residual gas in the main gas supply steel cylinder 11 and a main gas supply assembly, removing an old steel cylinder, installing a new steel cylinder, adjusting the output pressure of the new main gas supply steel cylinder 11 to 0.3Mpa, sweeping and blowing air in a pipeline of the main gas supply assembly by using gas, and then closing the main emptying valve 13; then simultaneously opening the first cut-off valve 15 and the main vent valve 13, using the gas sweeping pipeline in the auxiliary gas supply assembly, then closing the main vent valve 13 and the communication valve 31 again, adjusting the output pressure of the main gas supply steel cylinder 11 to 0.6Mpa, and recovering to the normal working flow;
normal working procedure:
the main vent valve 13, the auxiliary vent valve 23 and the communication valve 31 are closed, and the analyzer receives the gas output by the main gas supply steel cylinder 11;
automatic switching flow:
when the output pressure of the main gas supply steel cylinder 11 is lower than 0.6Mpa, the main gas supply steel cylinder output pressure detection display controller 19 detects that the output pressure of the main gas supply steel cylinder 11 is lower than 0.6Mpa, the three-way electromagnetic valve 32 is driven to be connected with one side interface of the auxiliary gas supply component, and the auxiliary gas supply component supplies gas to wait for replacing the main gas supply steel cylinder 11.
Example 2:
an air supply device with an automatic switching function, this embodiment is modified on the basis of embodiment 1, as shown in figures 1-3,
the communication valve 31 can be opened to enable the two-side air supply steel cylinders to supply air simultaneously, the pressure is synchronously reduced, the available air quantity is more, and the replacement frequency is reduced.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides an air feeder with automatic switch-over function, includes three solenoid valve (32), its characterized in that: three solenoid valve (32) both ends fixedly connected with main cutting ferrule tee bend two (16) and assist cutting ferrule tee bend two (26), main cutting ferrule tee bend two (16) one end fixedly connected with trip valve one (15), fixedly connected with intercommunication valve (31) between main cutting ferrule tee bend two (16) and assist cutting ferrule tee bend two (26), intercommunication valve (31) one end electric connection has main steel bottle output pressure to detect display controller (19), main cutting ferrule tee bend two (16) one end fixedly connected with main air feed subassembly, assist cutting ferrule tee bend two (26) one side fixedly connected with assist air feed subassembly.
2. A gas supply apparatus with an automatic switching function according to claim 1, characterized in that: the main air supply assembly comprises a main air supply steel cylinder (11) and a main steel cylinder pressure reducing valve (12), and a main steel cylinder pressure indicator (17) is fixedly connected between the main air supply steel cylinder (11) and the main steel cylinder pressure reducing valve (12).
3. A gas supply apparatus with an automatic switching function according to claim 2, characterized in that: the main air supply assembly further comprises a main steel bottle output pressure indicator (18) and a main cutting sleeve tee joint I (14), one end of the main steel bottle output pressure indicator (18) is fixedly connected to one side of the main steel bottle pressure reducing valve (12), and two ends of a main steel bottle output pressure detection display controller (19) are fixedly connected between the main cutting sleeve tee joint I (14) and the main steel bottle output pressure indicator (18).
4. A gas supply apparatus with an automatic switching function according to claim 3, characterized in that: one end of the main cutting sleeve tee joint I (14) is fixedly connected with a main emptying valve (13).
5. A gas supply apparatus with an automatic switching function according to claim 2, characterized in that: the auxiliary gas supply assembly comprises an auxiliary gas steel cylinder (21) and an auxiliary steel cylinder pressure reducing valve (22), and an auxiliary steel cylinder pressure indicator (27) is fixedly connected to one side of the auxiliary gas steel cylinder (21) and one side of the auxiliary steel cylinder pressure reducing valve (22).
6. The gas supply apparatus with automatic switching function according to claim 5, wherein: an auxiliary steel cylinder output pressure indicator (28) is fixedly connected to one side of the auxiliary steel cylinder pressure reducing valve (22).
7. The gas supply apparatus with automatic switching function according to claim 6, wherein: one end of the auxiliary steel cylinder output pressure indicator (28) is fixedly connected with an auxiliary cutting sleeve tee joint I (24).
8. The gas supply apparatus with automatic switching function according to claim 7, wherein: and two ends of the auxiliary cutting sleeve tee joint I (24) are fixedly connected with a second cutting valve (25) and an auxiliary emptying valve (23), and one end of the second cutting valve (25) is fixedly connected with the auxiliary cutting sleeve tee joint II (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321172911.3U CN219933728U (en) | 2023-05-16 | 2023-05-16 | Air supply device with automatic switching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321172911.3U CN219933728U (en) | 2023-05-16 | 2023-05-16 | Air supply device with automatic switching function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219933728U true CN219933728U (en) | 2023-10-31 |
Family
ID=88502021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321172911.3U Active CN219933728U (en) | 2023-05-16 | 2023-05-16 | Air supply device with automatic switching function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219933728U (en) |
-
2023
- 2023-05-16 CN CN202321172911.3U patent/CN219933728U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |