CN221121905U - Alternative gas pipeline prevents device that looses - Google Patents
Alternative gas pipeline prevents device that looses Download PDFInfo
- Publication number
- CN221121905U CN221121905U CN202322767904.4U CN202322767904U CN221121905U CN 221121905 U CN221121905 U CN 221121905U CN 202322767904 U CN202322767904 U CN 202322767904U CN 221121905 U CN221121905 U CN 221121905U
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- CN
- China
- Prior art keywords
- pipeline
- ball valve
- air inlet
- air
- inlet control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 52
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 42
- 229910052786 argon Inorganic materials 0.000 claims abstract description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000009628 steelmaking Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
The utility model relates to an alternating gas pipeline anti-gas-leakage device, and belongs to the technical field of steelmaking equipment in the metallurgical industry. The technical proposal is as follows: comprises two pipelines: one pipeline is a nitrogen pipeline (1), the other pipeline is an argon pipeline (2), the nitrogen pipeline (1) is communicated with the argon pipeline (2) through an air inlet pipeline (10), and the middle of the air inlet pipeline (10) is communicated with a conveying pipeline (11) through a tee joint; according to the flow direction of gas, a manual ball valve, an air inlet control ball valve A and an air inlet control ball valve B are sequentially installed on a nitrogen pipeline (1) and an argon pipeline (2), an air-bleed pipeline is connected between the air inlet control ball valve A and the air inlet control ball valve B through a tee joint, and the air-bleed ball valve is installed on the air-bleed pipeline. The beneficial effects of the utility model are as follows: in the switching process of the two gases, the two gases are ensured not to be mixed, the purity requirement of the gases is met, and the smooth production is ensured.
Description
Technical Field
The utility model relates to an alternating gas pipeline anti-gas-leakage device, and belongs to the technical field of steelmaking equipment in the metallurgical industry.
Background
In the steelmaking production process of metallurgical enterprises, gas is used for stirring in order to fully and uniformly stir molten steel, such as bottom blowing of a converter and lifting gas of an RH vacuum refining furnace. Argon is used for stirring molten steel in the smelting process, and inert gas does not pollute the molten steel. However, argon gas is costly, and nitrogen gas is used to prevent clogging of the stirring gas passage when not being smelted, and is switched during smelting. In actual production, in particular to lifting gas for RH vacuum refining, because molten steel circulates in a vacuum chamber and is driven by the lifting gas, the purity requirement of molten steel secondarily refined by using RH vacuum equipment is very high, and the lifting gas needs to be pure. The original two gases are simpler to switch, only two valves are used for controlling, and nitrogen is mixed in argon in the smelting process in use, so that the nitrogen content in the molten steel component exceeds the standard, and the mechanical properties of the final product are affected.
Disclosure of utility model
The utility model aims to provide an alternative gas pipeline anti-gas-leakage device, which ensures that two gases are not mixed in the switching process of the two gases, meets the purity requirement of the gases, ensures the smooth production and solves the problems in the background technology.
The technical scheme of the utility model is as follows:
An alternate gas pipeline anti-cross gas device comprises two pipelines: one pipeline is a nitrogen pipeline, the other pipeline is an argon pipeline, the nitrogen pipeline and the argon pipeline are communicated through an air inlet pipeline, and the middle of the air inlet pipeline is communicated with a conveying pipeline through a tee joint; according to the flow direction of gas, a manual ball valve, an air inlet control ball valve A and an air inlet control ball valve B are sequentially installed on a nitrogen pipeline and an argon pipeline, an air outlet pipeline is connected between the air inlet control ball valve A and the air inlet control ball valve B through a tee joint, and an air outlet ball valve is installed on the air outlet pipeline.
The air inlet control ball valve A, the air inlet control ball valve B and the air outlet ball valve are all pneumatic ball valves.
The air inlet control ball valve A, the air inlet control ball valve B and the opening and closing air source of the air release ball valve are an air compressor or a compressed air storage tank, and are controlled by two five-position electromagnetic valves.
And two ends of the air inlet pipeline are respectively communicated with the nitrogen pipeline and the argon pipeline through elbows.
The beneficial effects of the utility model are as follows: in the switching process of the two gases, the two gases are ensured not to be mixed, the purity requirement of the gases is met, and the smooth production is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
In the figure: a nitrogen line 1; an argon gas pipeline 2; a manual ball valve 3; an air inlet control ball valve A4; an air inlet control ball valve B5; a tee 6; an air bleed line 7; an air bleed ball valve 8; an elbow 9; an intake line 10; a conveying pipeline 11; an intake control ball valve C12; an intake control ball valve D13; and an air bleed ball valve a14.
Detailed Description
The utility model is further illustrated by way of example with reference to the accompanying drawings.
Referring to fig. 1, an alternate gas line anti-cross gas device comprises two lines: one pipeline is a nitrogen pipeline 1, the other pipeline is an argon pipeline 2, the nitrogen pipeline 2 is communicated with the argon pipeline 2 through an air inlet pipeline 10, and the middle of the air inlet pipeline 10 is communicated with a conveying pipeline 11 through a tee joint; according to the flow direction of gas, a manual ball valve, an air inlet control ball valve A and an air inlet control ball valve B are sequentially installed on a nitrogen pipeline 1 and an argon pipeline 2, an air-vent pipeline is connected between the air inlet control ball valve A and the air inlet control ball valve B through a tee joint, and the air-vent ball valve is installed on the air-vent pipeline.
In this embodiment, referring to fig. 1, the alternate gas pipeline anti-cross gas device comprises a nitrogen pipeline 1, an argon pipeline 2, a manual ball valve 3, an air inlet control ball valve A4, an air inlet control ball valve B5, a tee joint 6, an air outlet pipeline 7, an air outlet ball valve 8, an elbow 9, an air inlet pipeline 10, a conveying pipeline 11, an air inlet control ball valve C12, an air inlet control ball valve D13 and an air outlet ball valve A14, wherein the manual ball valve 3 is connected on the nitrogen pipeline 1, the air inlet control ball valve A4 and the air inlet control ball valve B5 are connected at a position 100cm apart from the right side of the manual ball valve 3, the air outlet pipeline 7 is connected between the two air inlet control ball valves through the tee joint 6, and the air outlet ball valve 8 is mounted on the air outlet pipeline 7; the argon pipeline 2 is connected with a manual ball valve 3, the right side of the manual ball valve 3 is connected with an air inlet control ball valve C12 and an air inlet control ball valve D13 at a distance of 100cm, an air outlet pipeline 7 is connected between the two air inlet control ball valves through a tee joint 6, an air outlet ball valve A14 is installed on the air outlet pipeline 7, elbows 9 are installed on the right sides of the air inlet control ball valve B5 and the air inlet control ball valve D13, the two elbows 9 are communicated through an air inlet pipeline 10, and the middle of the air inlet pipeline 10 is communicated with a conveying pipeline 11 through the tee joint 6.
A manual ball valve 3 for manual closing and opening of the intake air.
The air inlet control ball valve A4, the air inlet control ball valve B5, the air outlet ball valve 8, the air inlet control ball valve C12, the air inlet control ball valve D13 and the air outlet ball valve A14 are all pneumatic ball valves, and an opening and closing air source is an air compressor or a compressed air storage tank and is controlled by a two-position five-way electromagnetic valve.
When the production needs to be supplied with air, a field worker goes to the field to open the manual ball valves 3 on the nitrogen pipeline 1 and the argon pipeline 2, an operator performs the opening and closing of other valves on a computer interface, the valves on the nitrogen pipeline 1 are simultaneously opened and closed, and the valves on the argon pipeline 2 are simultaneously opened and closed before the operation process.
When nitrogen is supplied, the air inlet control ball valve A4 is opened, the air outlet ball valve 8 is closed, and the air inlet control ball valve B5 is opened. The corresponding argon pipeline 2 is closed by the air inlet control ball valve C12, the air outlet ball valve A14 is opened, and the air inlet control ball valve D13 is closed. The gas carried in enters the apparatus through the gas inlet line 10 and the delivery line 11. Even if the air intake control ball valve C12 and the air intake control ball valve D13 leak, the leaked air is discharged to the atmosphere through the air discharge ball valve a14, and the air entering the apparatus is not mixed with argon.
Conversely, when argon gas needs to be supplied, the air inlet control ball valve A4 is closed when the nitrogen pipeline 1 supplies air, the air outlet ball valve 8 is opened, and the air inlet control ball valve B5 is closed. The corresponding argon pipeline 2 is opened with the air inlet control ball valve C12, the air outlet ball valve A14 is closed, and the air inlet control ball valve D13 is opened. The gas carried in enters the apparatus through the gas inlet line 10 and the delivery line 11. Even if the air intake control ball valve A4 and the air intake control ball valve B5 leak, the leaked air is diffused into the atmosphere through the air diffusion ball valve 8, and the air entering the apparatus is not mixed with nitrogen.
Claims (4)
1. An alternate gas pipeline prevents device of crossing gas, its characterized in that: comprises two pipelines: one pipeline is a nitrogen pipeline (1), the other pipeline is an argon pipeline (2), the nitrogen pipeline (1) is communicated with the argon pipeline (2) through an air inlet pipeline (10), and the middle of the air inlet pipeline (10) is communicated with a conveying pipeline (11) through a tee joint; according to the flow direction of gas, a manual ball valve, an air inlet control ball valve A and an air inlet control ball valve B are sequentially installed on a nitrogen pipeline (1) and an argon pipeline (2), an air-bleed pipeline is connected between the air inlet control ball valve A and the air inlet control ball valve B through a tee joint, and the air-bleed ball valve is installed on the air-bleed pipeline.
2. An alternate gas conduit anti-gassing device according to claim 1 wherein: the air inlet control ball valve A, the air inlet control ball valve B and the air outlet ball valve are all pneumatic ball valves.
3. An alternate gas conduit anti-gassing device according to claim 2 wherein: the air inlet control ball valve A, the air inlet control ball valve B and the opening and closing air source of the air release ball valve are an air compressor or a compressed air storage tank, and are controlled by two five-position electromagnetic valves.
4. An alternate gas conduit anti-gassing device according to claim 1 wherein: two ends of the air inlet pipeline (10) are respectively communicated with the nitrogen pipeline (1) and the argon pipeline (2) through elbows (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322767904.4U CN221121905U (en) | 2023-10-16 | 2023-10-16 | Alternative gas pipeline prevents device that looses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322767904.4U CN221121905U (en) | 2023-10-16 | 2023-10-16 | Alternative gas pipeline prevents device that looses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221121905U true CN221121905U (en) | 2024-06-11 |
Family
ID=91336437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322767904.4U Active CN221121905U (en) | 2023-10-16 | 2023-10-16 | Alternative gas pipeline prevents device that looses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221121905U (en) |
-
2023
- 2023-10-16 CN CN202322767904.4U patent/CN221121905U/en active Active
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