CN202390473U - Argon blowing device - Google Patents
Argon blowing device Download PDFInfo
- Publication number
- CN202390473U CN202390473U CN2011205322380U CN201120532238U CN202390473U CN 202390473 U CN202390473 U CN 202390473U CN 2011205322380 U CN2011205322380 U CN 2011205322380U CN 201120532238 U CN201120532238 U CN 201120532238U CN 202390473 U CN202390473 U CN 202390473U
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- CN
- China
- Prior art keywords
- valve
- flow
- ball valve
- regulating
- unit
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides an argon blowing device so as to solve the technical problems of complex operating control and high economic cost in the prior art. The argon blowing device comprises a programmable logic controller (PLC), and a first ball valve, an air filter, a pressure stabilizing steam drum, a self-operated relief valve, a second ball valve, a pressure detecting transmitting unit and a flow detecting transmitting unit which are sequentially arranged on an air supply output tube. The argon blowing device further comprises a first flow regulating valve used for rough regulation and a second flow regulating valve used for fine regulation. The output end of the air supply output tube passes through a soft tube and a hard tube and is finally connected to the bottom of a ladle, a pressure gauge with electric contact is arranged on the pressure stabilizing steam drum and/or the self-operated relief valve, and all the signal output ends of the pressure gauge with electric contact, the pressure detecting transmitting unit and the flow detecting transmitting unit are connected to the PLC. The argon blowing device has the advantages of reliable stability, high control accuracy, low production cost, simple operation and the like.
Description
Technical field
The utility model relates to a kind of Argon device.
Background technology
Ladle refining furnace is blown into argon gas through the porous plug Argon device of ladle bottom in bag.Its stirring helps the chemical reaction between steel-slag, can quicken the material transfer between steel-slag, helps the carrying out of steel liquid deoxidation, desulphurization reaction, can also remove non-metallic inclusion.Particularly to Al
2O
3The inclusion floating of type is removed more favourable.
Another effect that Argon stirs is temperature and the uniform ingredients of quickening in the molten steel, can accurately adjust complicated chemical constitution, this be the high-quality steel must be through technology.Argon stirs and can quicken the reduction of oxide compound in the slag in addition, and is highly beneficial to reclaiming valuable alloying element.
Therefore, stable, reliable, in ladle, to be blown into the high Argon device of argon gas amount control accuracy most important to ladle refining furnace.
Traditional ladle argon-blown device has air bladder valve formula, mass flow controller formula, valve island unit combination valve formula etc., and is all low because of control accuracy, control that complicacy or Financial cost are too high can not to be widely used by the user.
The utility model content
The utility model provides a kind of Argon device, controls complicacy or the too high technical problem of Financial cost to solve prior art.
The technical scheme of the utility model is following:
A kind of Argon device; Comprise PLC unit and first ball valve that on the source of the gas delivery conduit, sets gradually, air filter, voltage stabilizing drum, self-forced relief valve, second ball valve, pressure detection transducing unit, flow detection transducing unit, in order to the first flow variable valve of coarse adjustment with in order to second regulating valve of fine tuning, the output terminal of source of the gas delivery conduit finally is connected to ladle bottom through flexible pipe, hard tube successively; The signal output part of said pressure detection transducing unit and flow detection transducing unit all is connected to the signals collecting end of PLC unit, and said second regulating valve is by PLC unit regulating and controlling or manual regulation.
Be provided with a branch road in order to switched path in the above-mentioned source of the gas delivery conduit, the input terminus of this branch road is connected between the self-forced relief valve and second ball valve, and the output terminal of this branch road is connected between the first flow variable valve and second regulating valve; This branch road is provided with the 3rd ball valve.Like this, when meeting with an accidet or other maintenance during situation, can realization accident bypass.
Above-mentioned second regulating valve adopts manual regulation; On the source of the gas delivery conduit, from first ball valve to first flow variable valve, complete installation is in a cabinet.Like this, when the needs manual operation, PLC unit and computingmachine (control, demonstration) outside cabinet, can be observed running condition for the operative technique personnel and regulate second regulating valve.
Above-mentioned second regulating valve also can be by PLC unit regulating and controlling; On the source of the gas delivery conduit, from first ball valve to the second regulating valve, complete installation is in a cabinet.
Observe more intuitively for ease of the scene, outside cabinet, tensimeter and rate of flow meter corresponding to pressure detection transducing unit and flow detection transducing unit can be installed.
On above-mentioned voltage stabilizing drum and/or the self-forced relief valve electro connecting pressure gauge can be set; The signal output part of this electro connecting pressure gauge also is connected to the signals collecting end of PLC unit.
The utlity model has and reliable in stability, control accuracy height, cheap for manufacturing cost, manipulate advantages such as simple.
Description of drawings
Fig. 1 is the structure principle chart of the utility model.
Wherein, 1-first ball valve, 2-second ball valve, 3-the 3rd ball valve, 4-air filter; 5-voltage stabilizing drum, 6-self-forced relief valve, 7-pressure detection transducing unit, 8-flow detection transducing unit; 9-first flow variable valve, 10-second regulating valve, 11-flexible pipe, 12-hard tube.
Embodiment
The utility model goes for the following ladle refining furnace of 40t; Comprise PLC unit and first ball valve that on the source of the gas delivery conduit, sets gradually, air filter, voltage stabilizing drum, self-forced relief valve, second ball valve, pressure detection transducing unit, flow detection transducing unit, in order to the first flow variable valve of coarse adjustment with in order to second regulating valve of fine tuning, the output terminal of source of the gas delivery conduit finally is connected to ladle bottom through flexible pipe, hard tube successively; Voltage stabilizing drum and/or self-forced relief valve are provided with electro connecting pressure gauge; The signal output part of said electro connecting pressure gauge, pressure detection transducing unit and flow detection transducing unit all is connected to the signals collecting end of PLC unit, and said second regulating valve is by PLC unit regulating and controlling or manual regulation.Also be provided with a branch road in order to switched path in the source of the gas delivery conduit, the input terminus of this branch road is connected between the self-forced relief valve and second ball valve, and the output terminal of this branch road is connected between the first flow variable valve and second regulating valve; This branch road is provided with the 3rd ball valve.Like this, when meeting with an accidet or other maintenance during situation, can realization accident bypass.
On the source of the gas delivery conduit, from first ball valve to first flow variable valve, can complete installation in a cabinet.Like this, when the needs manual operation, PLC unit and computingmachine (control, demonstration) outside cabinet, can be observed running condition for the operative technique personnel and regulate second regulating valve.Observe more intuitively for ease of the scene, outside cabinet, the intelligent digital that can install corresponding to pressure detection transducing unit and flow detection transducing unit shows that tensimeter and intelligent digital show rate of flow meter.
Regulating control: gas source inlet pressure is stabilized in 0.8MPa after voltage stabilizing drum, the decompression of self-forced relief valve; Argon flow amount is earlier through after the coarse adjustment of adjustment first flow variable valve; Adjust second regulating valve again and carry out meticulous adjusting to regulating argon gas, the first flow variable valve is generally adjusted when equipment debugging, later on no longer adjustment; The adjusting indication or tensimeter and the rate of flow meter that mainly show according to indicating meter during use are adjusted second regulating valve in the stokehold.Intelligent digital shows that tensimeter, intelligent digital show that rate of flow meter can show argon gas WP and flow respectively in the stokehold; Argon pressure and flow signal also get into PLC, computer control system simultaneously; Can long-range demonstration argon pressure and flow; And the total consumption of argon gas accumulated calculating, finally file record through electronic report forms.
Claims (5)
1. Argon device; It is characterized in that: comprise PLC unit and first ball valve that on the source of the gas delivery conduit, sets gradually, air filter, voltage stabilizing drum, self-forced relief valve, second ball valve, pressure detection transducing unit, flow detection transducing unit, in order to the first flow variable valve of coarse adjustment with in order to second regulating valve of fine tuning, the output terminal of source of the gas delivery conduit finally is connected to ladle bottom through flexible pipe, hard tube successively; The signal output part of said pressure detection transducing unit and flow detection transducing unit all is connected to the signals collecting end of PLC unit, and said second regulating valve is by PLC unit regulating and controlling or manual regulation.
2. Argon device according to claim 1; It is characterized in that: be provided with a branch road in the source of the gas delivery conduit in order to switched path; The input terminus of this branch road is connected between the self-forced relief valve and second ball valve, and the output terminal of this branch road is connected between the first flow variable valve and second regulating valve; This branch road is provided with the 3rd ball valve.
3. Argon device according to claim 1 is characterized in that:
Second regulating valve adopts manual regulation; On the source of the gas delivery conduit, from first ball valve to first flow variable valve, complete installation is in a cabinet;
Perhaps second regulating valve is by PLC unit regulating and controlling; On the source of the gas delivery conduit, from first ball valve to the second regulating valve, complete installation is in a cabinet.
4. Argon device according to claim 1 is characterized in that: outside the cabinet, tensimeter and rate of flow meter corresponding to pressure detection transducing unit and flow detection transducing unit are installed.
5. Argon device according to claim 1 is characterized in that: voltage stabilizing drum and/or self-forced relief valve are provided with electro connecting pressure gauge; The signal output part of this electro connecting pressure gauge also is connected to the signals collecting end of PLC unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205322380U CN202390473U (en) | 2011-12-15 | 2011-12-15 | Argon blowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205322380U CN202390473U (en) | 2011-12-15 | 2011-12-15 | Argon blowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202390473U true CN202390473U (en) | 2012-08-22 |
Family
ID=46665410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205322380U Expired - Fee Related CN202390473U (en) | 2011-12-15 | 2011-12-15 | Argon blowing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202390473U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225743A (en) * | 2013-03-29 | 2013-07-31 | 山西太钢不锈钢股份有限公司 | Transportation and distribution method for natural gas |
| CN103602787A (en) * | 2013-12-09 | 2014-02-26 | 中天钢铁集团有限公司 | Refining ladle on-line argon adjustment method |
| CN112338184A (en) * | 2020-10-30 | 2021-02-09 | 张家港宏昌钢板有限公司 | Intelligent argon control system and method for buggy ladle |
| 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 |
-
2011
- 2011-12-15 CN CN2011205322380U patent/CN202390473U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225743A (en) * | 2013-03-29 | 2013-07-31 | 山西太钢不锈钢股份有限公司 | Transportation and distribution method for natural gas |
| CN103602787A (en) * | 2013-12-09 | 2014-02-26 | 中天钢铁集团有限公司 | Refining ladle on-line argon adjustment method |
| CN112338184A (en) * | 2020-10-30 | 2021-02-09 | 张家港宏昌钢板有限公司 | Intelligent argon control system and method for buggy ladle |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20151215 |
|
| EXPY | Termination of patent right or utility model |