CN217781203U - Ladle bottom blowing nitrogen and argon blowing switching and metering control system - Google Patents
Ladle bottom blowing nitrogen and argon blowing switching and metering control system Download PDFInfo
- Publication number
- CN217781203U CN217781203U CN202221729342.3U CN202221729342U CN217781203U CN 217781203 U CN217781203 U CN 217781203U CN 202221729342 U CN202221729342 U CN 202221729342U CN 217781203 U CN217781203 U CN 217781203U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- blowing
- nitrogen
- argon
- switching
- 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.)
- Active
Links
Images
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model discloses a ladle bottom blowing nitrogen and argon blowing switching and metering control system, which comprises a nitrogen pipeline, an argon pipeline, a main pipeline and two groups of tapping pipelines; the ladle is provided with two blowing holes, namely a first blowing hole and a second blowing hole; the nitrogen pipeline and the argon pipeline are connected in parallel to the gas inlet end of the main pipeline; wherein a set of shunting pipeline is used for connecting total pipeline and first blowing hole, and another group of shunting pipeline is used for connecting total pipeline and second blowing hole, through pneumatic valve control, realizes the gaseous real-time switching of bottom blowing, reduces the loaded down with trivial details operation and the maloperation problem of manpower switching valve to can realize blowing the accurate measurement of nitrogen volume under the high, low-speed condition, compatible high accuracy blows argon flow control demand simultaneously.
Description
Technical Field
The utility model relates to the technical field of metallurgy, concretely relates to ladle bottom blowing nitrogen argon blowing switches and measurement control system.
Background
The metallurgical industry generally carries out stirring alloying in a bottom blowing argon mode, but partial steel grade with control requirement on nitrogen content can replace nitralloy to increase nitrogen in molten steel in a bottom blowing nitrogen form, meanwhile, the blowing amount of nitrogen needs to be effectively measured, the blowing speed needs to be controlled, and the blowing time of nitrogen needs to be controlled.
The switching of bottom blowing gas requires frequent wrenching of hand valves by workers, requires a large amount of manpower, and avoids the condition of misoperation, thereby causing the influence on the production quality and the smooth production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a ladle bottom blowing nitrogen and argon blowing switching and metering control system aiming at the defects of the prior art.
The utility model provides a technical scheme of above-mentioned problem does: a steel ladle bottom blowing nitrogen and argon blowing switching and metering control system comprises a nitrogen pipeline, an argon pipeline, a main pipeline and two groups of tapping pipelines;
the ladle is provided with two blowing holes, namely a first blowing hole and a second blowing hole;
the nitrogen pipeline and the argon pipeline are connected in parallel to the gas inlet end of the main pipeline;
one group of tapping pipelines is used for connecting the main pipeline and the first blowing hole, and the other group of tapping pipelines is used for connecting the main pipeline and the second blowing hole;
the tapping pipeline comprises a low-flow pipeline and a high-flow pipeline, the low-flow pipeline and the high-flow pipeline are connected in parallel, a mass flowmeter is arranged on the low-flow pipeline, and a bypass valve is arranged on the high-flow pipeline;
a first pneumatic valve is arranged on the argon pipeline;
and a second pneumatic valve is arranged on the nitrogen pipeline.
Further, an air bag is further arranged on the nitrogen pipeline.
Furthermore, a flow meter is arranged on the nitrogen pipeline.
The utility model discloses beneficial effect has:
the utility model provides a ladle bottom blowing nitrogen blows argon switching and measurement control system through pneumatic valve control, realizes the gaseous real-time switching of bottom blowing, reduces the loaded down with trivial details operation and the maloperation problem of manpower switching valve to can realize blowing the accurate measurement of nitrogen volume under the high, low-speed condition, compatible high accuracy argon flow control demand simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-nitrogen pipeline, 2-argon pipeline, 3-main pipeline, 4-first blowing hole, 5-second blowing hole, 6-low flow pipeline, 7-high flow pipeline, 8-mass flowmeter, 9-bypass valve, 10-first pneumatic valve, 11-air bag, 12-flow meter and 13-second pneumatic valve.
Detailed Description
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in the figure, the ladle bottom nitrogen blowing and argon blowing switching and metering control system comprises a nitrogen pipeline, an argon pipeline, a main pipeline and two groups of tapping pipelines, wherein the ladle is provided with two blowing holes which are respectively a first blowing hole and a second blowing hole, the nitrogen pipeline and the argon pipeline are connected in parallel to an air inlet end of the main pipeline, one group of tapping pipelines are used for connecting the main pipeline and the first blowing hole, and the other group of tapping pipelines are used for connecting the main pipeline and the second blowing hole.
The tapping pipeline comprises a low-flow pipeline and a high-flow pipeline, the low-flow pipeline and the high-flow pipeline are connected in parallel, a mass flow meter is arranged on the low-flow pipeline, and a bypass valve is arranged on the high-flow pipeline. The mass flow meter can meet the requirements of accurate control of argon flow and control of low-flow nitrogen increase; the bypass valve can meet the requirements of high-flow argon blowing and high-flow nitrogen blowing.
And a first pneumatic valve is arranged on the argon pipeline.
And the nitrogen pipeline is sequentially provided with an air bag, a flow meter and a second pneumatic valve. The nitrogen pipeline is additionally provided with a gas bag to stabilize nitrogen supply. The flow meter behind the air bag can accurately measure the amount of the blown nitrogen.
The first pneumatic valve and the second pneumatic valve respectively control the opening and closing of the argon pipeline and the nitrogen pipeline, and the function of remotely switching gas is realized.
The nitrogen increase is realized by bottom blowing nitrogen, the control precision and the control effect are extremely obvious, the cost of steel per ton can be reduced by about 33.5 yuan/ton, the economic benefit is obvious, and the equipment operation is stable.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (3)
1. The utility model provides a ladle bottom blowing nitrogen blows argon and switches and measurement control system which characterized in that: comprises a nitrogen pipeline, an argon pipeline, a main pipeline and two groups of branch pipelines;
the ladle is provided with two blowing holes, namely a first blowing hole and a second blowing hole;
the nitrogen pipeline and the argon pipeline are connected in parallel to the gas inlet end of the main pipeline;
one group of tapping pipelines is used for connecting the main pipeline and the first blowing hole, and the other group of tapping pipelines is used for connecting the main pipeline and the second blowing hole;
the tapping pipeline comprises a low-flow pipeline and a high-flow pipeline, the low-flow pipeline and the high-flow pipeline are connected in parallel, a mass flowmeter is arranged on the low-flow pipeline, and a bypass valve is arranged on the high-flow pipeline;
a first pneumatic valve is arranged on the argon pipeline;
and a second pneumatic valve is arranged on the nitrogen pipeline.
2. The ladle bottom blowing nitrogen and argon blowing switching and metering control system as defined in claim 1, wherein: and the nitrogen pipeline is also provided with an air bag.
3. The ladle bottom blowing nitrogen and argon blowing switching and metering control system as defined in claim 1, wherein: and a flow meter is also arranged on the nitrogen pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221729342.3U CN217781203U (en) | 2022-07-06 | 2022-07-06 | Ladle bottom blowing nitrogen and argon blowing switching and metering control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221729342.3U CN217781203U (en) | 2022-07-06 | 2022-07-06 | Ladle bottom blowing nitrogen and argon blowing switching and metering control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217781203U true CN217781203U (en) | 2022-11-11 |
Family
ID=83938943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221729342.3U Active CN217781203U (en) | 2022-07-06 | 2022-07-06 | Ladle bottom blowing nitrogen and argon blowing switching and metering control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217781203U (en) |
-
2022
- 2022-07-06 CN CN202221729342.3U patent/CN217781203U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111944954B (en) | PCM steel ladle bottom argon blowing control system and control method | |
| CN110044678B (en) | Quality control device for flue gas monitoring system and gas distribution dilution method | |
| CN201890887U (en) | Oxygen enriched board-width flow adjusting supply device | |
| CN104437923A (en) | Automatic powder spraying device | |
| CN217781203U (en) | Ladle bottom blowing nitrogen and argon blowing switching and metering control system | |
| CN204958970U (en) | Refining furnace ladle bottom blowing argon controlling means | |
| CN208488434U (en) | Multichannel cycle detection analysis of fumes device | |
| CN200949753Y (en) | Control system for argon gas box | |
| CN209368309U (en) | A kind of furnace roof nitrogen system | |
| CN1188671C (en) | Gas flow standardizing devices | |
| CN209260135U (en) | A kind of ladle-pot hot-repair bottom blowing brick is ventilative to check bottom-blowing device | |
| CN201135861Y (en) | Gases accurate proportioning device | |
| CN114088146B (en) | Integrated valve island device for gas flow detection control | |
| CN204097508U (en) | Ladle bottom blowing brick sweeps device | |
| CN109487025A (en) | A kind of furnace roof nitrogen system | |
| CN202710595U (en) | Plug-in type gas flow velocity measuring device | |
| CN213516523U (en) | Gas sampling detection device in tundish | |
| CN204294397U (en) | Automatic powder spraying device | |
| CN201408136Y (en) | Motor particle discharge secondary dilution and part flow dilution sampling constant-current device | |
| CN208944039U (en) | A kind of high-purity gas protection gas automatic mixing system | |
| CN203174145U (en) | Automatic nitrogen increasing device for steel ladle | |
| CN209127007U (en) | A kind of three-level valve feeding machanism | |
| CN202610295U (en) | Hydrogen and nitrogen shared flow collecting device for full hydrogen bell type furnace | |
| CN202024790U (en) | Parallel gas flow meter | |
| CN102478447B (en) | Volume of leaking air from vacuum chamber online test method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |