CN209322930U - A kind of volume control device of System for Blowing Argon at Bottom - Google Patents
A kind of volume control device of System for Blowing Argon at Bottom Download PDFInfo
- Publication number
- CN209322930U CN209322930U CN201821626779.8U CN201821626779U CN209322930U CN 209322930 U CN209322930 U CN 209322930U CN 201821626779 U CN201821626779 U CN 201821626779U CN 209322930 U CN209322930 U CN 209322930U
- Authority
- CN
- China
- Prior art keywords
- valve
- mass flow
- flow controller
- road
- solenoid valve
- 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
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model discloses a kind of volume control devices of System for Blowing Argon at Bottom, including argon inlet mouth and Ladle Bottom mouthpiece, the subsidiary loop in parallel on the basis of major loop control, which successively includes solenoid valve, mass flow controller and check valve.
Description
Technical field
The utility model relates to a kind of volume control devices of System for Blowing Argon at Bottom, belong to metallurgical technology field.
Background technique
Refining is a ring important in process for making, and ladle argon gas bottom blowing technology is the important hand for promoting Molten Steel Cleanliness
Section.General 100T ladle argon gas bottom blowing system flow-control scope is 0~600Nl/min, the direct type selecting of flow controller range
There is bottom blowing amount when being unable to accurately control soft blow in small flow, the especially less than flow of 10Nl/min in 0~600Nl/min
When adjust be unable to satisfy the pure process requirement of molten steel at all.In addition for high variety steel research and development of new product, product quality is required more
Height, molten steel is exposed when the control of soft blow argon flow is undesirable easily causes secondary oxidation to pollute, while being also unfavorable for field trash
Removal, improves the degree of purity of molten steel.
Utility model content
Current technology there are aiming at the problem that, the utility model proposes a kind of flow control of System for Blowing Argon at Bottom dresses
The free switching, it can be achieved that big flow and small flow is set, technique requirement is met.
In order to solve the above-mentioned technical problem, the utility model provides a kind of flow control dress of System for Blowing Argon at Bottom
It sets, including argon inlet mouth and Ladle Bottom mouthpiece, subsidiary loop in parallel, the parallel connection subsidiary loop on the basis of major loop control
It successively include solenoid valve, mass flow controller and check valve.
Specifically, including manual ball valve, pressure reducing valve, the first mass flow controller, the second mass flow controller, electromagnetism
Valve, check valve, on the spot pressure gauge and pressure sensor；
Between the air accumulator and Ladle Bottom mouthpiece include several unit roads, the unit road include three tunnels, the first via and
Second tunnel is in parallel with third road again after being in parallel, which includes sequentially connected first mass flow controller and electromagnetism
Valve, second tunnel include sequentially connected second mass flow controller and solenoid valve, are led to after the first via is in parallel with the second tunnel
It crosses pressure reducing valve to connect with air accumulator, be connect by check valve with Ladle Bottom mouthpiece, the third road includes solenoid valve, the third road
One end is connect with air accumulator, and the other end is connect with Ladle Bottom mouthpiece；
The range of first mass flow controller is greater than the range of the second mass flow controller.
The argon inlet mouth passes sequentially through manual ball valve and filtering pressure reducing valve is connected with air accumulator.
Pressure gauge on the spot and pressure sensor are respectively equipped with by manual ball valve at the Ladle Bottom mouthpiece.
It is all provided between the first mass flow controller and pressure reducing valve of the first via, between the solenoid valve and check valve of the first via
There is manual ball valve；Between second mass flow controller and pressure reducing valve on the second tunnel, between the solenoid valve and check valve on the second tunnel
It is equipped with manual ball valve.
Manual ball valve is equipped between the solenoid valve and air accumulator on third road and between Ladle Bottom mouthpiece.
The utility model has the advantages that the utility model is compared with prior art, pass through the technical solution of the utility model, 100T ladle argon
Gas bottom blowing system gamut in 0~600Nl/min is freely adjusted, and the demand for control of big flow when both having met smelting is also full
Demand when foot small flow soft blow stirring, or even in the micrometeor high-precision rigors of 0-10Nl/min, it is exposed to prevent molten steel
It easily causes secondary oxidation to pollute, is more advantageous to inclusion content in melting steel removal, improves the degree of purity of molten steel.
Detailed description of the invention
Fig. 1 is that BOTTOM ARGON BLOWING controls HMI schematic diagram；
Fig. 2 is Bottom Argon Blowing Device schematic diagram；Wherein, 1-1~1-20: manual ball valve, 2: filtering pressure reducing valve, 3-1~3-2:
Pressure reducing valve, the 4-1~4-2: the first mass flow controller, the 5-1~5-2: the second mass flow controller, 6-1~6-8: electromagnetism
Valve, 7-1~7-2: check valve, 8-1~8-3: pressure gauge, 9-1~9-3 on the spot: pressure sensor, 10: air accumulator.
Specific embodiment
A kind of volume control device of System for Blowing Argon at Bottom as depicted in figs. 1 and 2, including argon inlet mouth and ladle
Bottom blowing mouth, the subsidiary loop in parallel on the basis of major loop control, which successively includes solenoid valve, mass flow
Controller and check valve.
Specifically, including manual ball valve, air accumulator, pressure reducing valve, the first mass flow controller, the control of the second mass flow
Device, solenoid valve, check valve, on the spot pressure gauge and pressure sensor；It include several unit roads between air accumulator and Ladle Bottom mouthpiece,
The unit road includes three tunnels, and the first via and the second tunnel are in parallel with third road again after being in parallel, which includes being sequentially connected
The first mass flow controller and solenoid valve, which includes sequentially connected second mass flow controller and electromagnetism
Valve is connect with air accumulator by pressure reducing valve after the first via is in parallel with the second tunnel, is connect by check valve with Ladle Bottom mouthpiece, institute
Stating third road includes solenoid valve, which connect with air accumulator, and the other end is connect with Ladle Bottom mouthpiece；First quality stream
The range of amount controller is greater than the range of the second mass flow controller, and argon inlet mouth passes sequentially through manual ball valve and filtering subtracts
Pressure valve is connected with air accumulator, is respectively equipped with pressure gauge on the spot and pressure sensor by manual ball valve at Ladle Bottom mouthpiece, and first
Manual ball valve is equipped between first mass flow controller and pressure reducing valve on road, between the solenoid valve and check valve of the first via；
Manual ball is equipped between second mass flow controller and pressure reducing valve on the second tunnel, between the solenoid valve and check valve on the second tunnel
Valve is equipped with manual ball valve between the solenoid valve and air accumulator on third road and between Ladle Bottom mouthpiece.
Specifically, the first mass flow controller range is 0~600Nl/min, the second mass flow controller range is
50Nl/min。
Embodiment:
On the basis of not changing the control of original main line, increase the electrical SIEMENS PLC control of subsidiary loop on hardware
Component, such as DI, DO, AI, AO and relaying.The input of analog quantity, output control mass flow controller, it is small to carry out high-precision
The control of the different flow of flow, input, the output of digital quantity control the free switching and display of major loop and subsidiary loop.It is soft
On part, using INTOUCH host computer HMI programming man machine operation interface, facilitates the long-range control of operator and intuitively show
Show.
There is 1/2 two-way independent stirring argon gas (0~600Nl/min) main line originally in 100T ladle, it is original not changing
On the basis of major loop, increase two-way (0~50Nl/min) small flow auxiliary piping in 1/2 road major loop pipeline parallel connection respectively,
Increase corresponding solenoid valve, mass flow controller and check valve etc., to adapt to the argon gas of the ladle bottom blowing of refining different times
The demand of flow meets technique production requirement.
Claims (6)
1. a kind of volume control device of System for Blowing Argon at Bottom, including argon inlet mouth and Ladle Bottom mouthpiece, it is characterised in that:
The subsidiary loop in parallel on the basis of major loop control, which successively includes solenoid valve, mass flow controller
And check valve.
2. a kind of volume control device of System for Blowing Argon at Bottom according to claim 1, it is characterised in that: including manual
Ball valve, pressure reducing valve, the first mass flow controller, the second mass flow controller, solenoid valve, check valve, is pressed at air accumulator on the spot
Power table and pressure sensor；
It include several unit roads between the air accumulator and Ladle Bottom mouthpiece, the unit road is divided into three tunnels, the first via and second
Road is in parallel with third road again after being in parallel, which includes sequentially connected first mass flow controller and solenoid valve, is somebody's turn to do
Second tunnel includes sequentially connected second mass flow controller and solenoid valve, passes through decompression after the first via is in parallel with the second tunnel
Valve is connect with air accumulator, is connect by check valve with Ladle Bottom mouthpiece, and the third road includes solenoid valve, the third road one end with
Air accumulator connection, the other end are connect with Ladle Bottom mouthpiece；
The range of first mass flow controller is greater than the range of the second mass flow controller.
3. a kind of volume control device of System for Blowing Argon at Bottom according to claim 1, it is characterised in that: the argon gas
Air inlet passes sequentially through manual ball valve and filtering pressure reducing valve is connected with air accumulator.
4. a kind of volume control device of System for Blowing Argon at Bottom according to claim 1, it is characterised in that: the ladle
Pressure gauge on the spot and pressure sensor are respectively equipped with by manual ball valve at bottom blowing mouth.
5. a kind of volume control device of System for Blowing Argon at Bottom according to claim 1, it is characterised in that: the first via
Manual ball valve is equipped between first mass flow controller and pressure reducing valve, between the solenoid valve and check valve of the first via；Second
Manual ball valve is equipped between second mass flow controller and pressure reducing valve on road, between the solenoid valve and check valve on the second tunnel.
6. a kind of volume control device of System for Blowing Argon at Bottom according to claim 1, it is characterised in that: third road
Manual ball valve is equipped between solenoid valve and air accumulator and between Ladle Bottom mouthpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626779.8U CN209322930U (en) | 2018-10-08 | 2018-10-08 | A kind of volume control device of System for Blowing Argon at Bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626779.8U CN209322930U (en) | 2018-10-08 | 2018-10-08 | A kind of volume control device of System for Blowing Argon at Bottom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209322930U true CN209322930U (en) | 2019-08-30 |
Family
ID=67707747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821626779.8U Active CN209322930U (en) | 2018-10-08 | 2018-10-08 | A kind of volume control device of System for Blowing Argon at Bottom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209322930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545740A (en) * | 2020-05-18 | 2020-08-18 | 芜湖新兴铸管有限责任公司 | Automatic control system for air seal of ladle nozzle |
| CN115786644A (en) * | 2022-11-17 | 2023-03-14 | 山东莱钢永锋钢铁有限公司 | Automatic control steel ladle bottom blowing gas conveying equipment |
-
2018
- 2018-10-08 CN CN201821626779.8U patent/CN209322930U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545740A (en) * | 2020-05-18 | 2020-08-18 | 芜湖新兴铸管有限责任公司 | Automatic control system for air seal of ladle nozzle |
| CN115786644A (en) * | 2022-11-17 | 2023-03-14 | 山东莱钢永锋钢铁有限公司 | Automatic control steel ladle bottom blowing gas conveying equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209322930U (en) | A kind of volume control device of System for Blowing Argon at Bottom | |
| CN102814602B (en) | Silicon-free high-toughness corrosion-resistant fused flux and production method thereof | |
| CN204545363U (en) | Continuous casting intelligence Argon control system | |
| CN102747269A (en) | Low-silicon aluminum-containing steel and production method thereof | |
| CN204958970U (en) | Refining furnace ladle bottom blowing argon controlling means | |
| CN103252461B (en) | A kind of pouring procedure of electrode billet | |
| CN106148629B (en) | A kind of high ferromanganese water terminal manganese content control method | |
| CN102936640B (en) | Technique for smelting stainless steel through RKEF (rotary kiln-electric furnace) and AOD furnace duplex process | |
| CN102312176A (en) | Method for adding nitrogen into stainless steel used for thermonuclear fusion reactor | |
| CN102660661A (en) | Online multifunctional double-station LF (Low-Frequency) furnace system and online LF furnace steelmaking method | |
| CN107604173A (en) | A kind of heavy slab electroslag furnace melting speed control technique | |
| CN202390473U (en) | Argon blowing device | |
| CN111518991B (en) | Argon flow control method and system and ladle refining furnace smelting method | |
| CN208293030U (en) | A kind of ladle bottom blowing air brick volume control device | |
| CN106399753B (en) | Titanium aluminum vanadium alloy material and preparation method thereof | |
| CN101775531B (en) | Nickel-molybdenum-copper alloy and preparation method thereof | |
| CN111041240B (en) | Method for preparing ferrotitanium alloy by using perovskite concentrate as raw material | |
| CN203174145U (en) | Automatic nitrogen adding device of steel ladle | |
| CN103785814A (en) | Low pressure casting liquid level pressurization control system | |
| CN108660290A (en) | A kind of compound ar blowing refining device and method in Medium frequency induction furnace roof bottom | |
| CN204824962U (en) | Real empty room dip pipe gas supply system and vacuum refining system | |
| CN204185509U (en) | Bottom-blowing of converter nitrogen valve valve blow-by proofing unit | |
| CN206966629U (en) | seal protective pressure pouring device | |
| CN206415577U (en) | A kind of gas blowout pumpback formula suspending agent treatment mechanism | |
| CN206721315U (en) | The system for handling vanadium chromium slag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |