CN201945160U - Protective gas control system for vacuum self-consumption electric arc furnace - Google Patents
Protective gas control system for vacuum self-consumption electric arc furnace Download PDFInfo
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- CN201945160U CN201945160U CN 201020683878 CN201020683878U CN201945160U CN 201945160 U CN201945160 U CN 201945160U CN 201020683878 CN201020683878 CN 201020683878 CN 201020683878 U CN201020683878 U CN 201020683878U CN 201945160 U CN201945160 U CN 201945160U
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Abstract
The utility model discloses a protective gas control system for a vacuum self-consumption electric arc surface, and a furnace body part comprises a vented explosion device, a filtering device, a pressure sensor group, a deflation valve, an inflation valve, a vacuum system, a valve and a vacuum pump, which are sequentially arranged on a main pipeline communicated with a furnace chamber, wherein a pressure release valve is further arranged between the gas output end of the inflation valve and the valve, an electrical control part comprises a computer, the computer is connected with a communication module of a PLC (programmable logic controller), the PLC further comprises a DI (digital input) module, a DO (digital output) module, an AI (analog input) module and an AO (analog output) module, the DI module is connected with a pressure gauge arranged in the furnace chamber, the DO module is connected with the deflation valve, the inflation valve, the pressure release valve and the valve respectively, and the AI module is connected with the pressure sensor group. By adopting the protective gas control system, alloys with low-boiling point elements can be smelted, and the smelting effect is excellent.
Description
Technical field
The utility model belongs to Metal Melting device technique field, relates to a kind of protective gas control system that is used for vacuum consumable electrode arc furnace.
Background technology
When present vacuum consumable electrode arc furnace melting contains the alloy of low boiling element, because furnace chamber pressure is low, temperature is high, makes low-melting alloy volatilize easily, causes the ingot casting composition not conform to; Though the inflation induction melting furnace can solve melting volatilization problem, have that fusion process is uncontrollable, the crystallizer volume is little, production efficiency is low, can not satisfy the problem of large-scale production.
Summary of the invention
The purpose of this utility model provides a kind of protective gas control system that is used for vacuum consumable electrode arc furnace, can contain the alloy of low boiling element with the melting of consutrode mode, and melting is effective.
The technical scheme that the utility model adopted is; the protective gas control system that is used for vacuum consumable electrode arc furnace; comprise oven body part and electric control system; oven body part is included in the explosion venting device that sets gradually on the trunk line that furnace chamber communicates; filter; the pressure sensor group; vent valve; charge valve; vacuum system; valve and vavuum pump; the gas input of charge valve is provided with source of the gas; also be provided with relief valve between the gas output end of charge valve and the valve; electric control system comprises computer; computer is connected with the communication module of PLC controller; the PLC controller also comprises the DI module; the DO module; the AI module; the AO module; the DI module is connected with the Pressure gauge of setting in the furnace chamber; the DO module respectively with vent valve; charge valve; relief valve; valve is connected, and the AI module is connected with the pressure sensor group.
The pressure sensor group comprises pressure sensor a, high vacuum sensor, low vacuum sensor and pressure sensor b.
The utility model is used for the protective gas control system of vacuum consumable electrode arc furnace, increases the gas source inlet protective atmosphere control system related with abundant vacuum system on the agent structure of vacuum consumable electrode arc furnace, makes it to be used for vacuum and protective atmosphere melting.Smelting furnace is indoor contains the low boiling mischmetal, extracts gas in the furnace chamber out by vavuum pump, and the pressure sensor group can detect the pressure of gas in the pipeline in real time.Explosion venting device is rapid pressure release when the furnace chamber internal pressure reaches warning value.The row that fills who realizes protective atmosphere by charge valve, source of the gas, relief valve, therefore non-ferrous metal and alloy thereof such as melting titanium not only just, and can be used for containing the alloy melting of different melting points element.Computer settings protective atmosphere pressure and inflation, exhaust scope, the PLC controller is controlled each valve, pump.Can be used for non-ferrous metal and alloys thereof such as vacuum consumable electrode melting titanium, or contain the alloy melting of different melting points element, or in the atmosphere protection environment, give the high element melting of fusing point, or in melting, add elementary gas to ingot casting; And the volatile quantity of low melting point element can effectively reduce the high-temperature metal melting time.
Description of drawings
Fig. 1 is the structural representation of the oven body part of the utility model protective gas control system.
Fig. 2 is the electric control system structural representation of the utility model protective gas control system.
Among the figure, 1. furnace chamber 2. melts power supply, 3. explosion venting device, 4. filter, 5. vent valve, 6. charge valve, 7. source of the gas, 8. relief valve, 9. valve, 10. vavuum pump, 11. pressure sensor a, 12. high vacuum sensors, 13. low vacuum sensors, 14. pressure sensor b, 15. computers, 16.PLC controller, 17. communication modules, 18.DI module, 19.DO module, 20.AI module, 21.AO module, 22. Pressure gauge, 23. inflation pressure relief valves, 24. pressure sensor groups, 25. vacuum systems.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The utility model is used for the structure of the protective gas control system oven body part of vacuum consumable electrode arc furnace; as shown in Figure 1; comprise furnace chamber 1, and be disposed with explosion venting device 3, filter 4, pressure sensor group 24, vent valve 5, charge valve 6, vacuum system 25, valve 9 and vavuum pump 10 on the trunk line that furnace chamber 1 communicates by the power supply of fusing power supply 2.Wherein, pressure sensor group 24 comprises pressure sensor a11, high vacuum sensor 12, low vacuum sensor 13 and pressure sensor b14.The gas input of charge valve 6 is provided with source of the gas 7.Also be provided with relief valve 8 between the gas output end of charge valve 6 and the valve 9.Pressure sensor group 24, vent valve 5, charge valve 6, source of the gas 7 have constituted controlled fill-drain syctem with relief valve 8.
The utility model is used for the electric control system structure of the protective gas control system of vacuum consumable electrode arc furnace, as shown in Figure 2.Computer 15 is connected with the communication module 17 of PLC controller 16, and PLC controller 16 also comprises DI module 18(digital quantity input module), DO module 19(digital quantity output module), AI module 20(analog quantity input module), AO module 21(analog output module).The Pressure gauge 22 that is provided with in furnace chamber 1 is connected with DI module 18, and inflation pressure relief valve 23(comprises vent valve 5, charge valve 6, relief valve 8, valve 9) be connected with DO module 19 respectively.AI module 20 is connected with pressure sensor group 24.
The course of work that the utility model is used for the protective gas control system of vacuum consumable electrode arc furnace is; on vacuum consumable electrode arc furnace equipment body structure, be provided with the controlled fill-drain syctem of protective gas; open the low boiling mischmetal in the fusing power supply 2 melting furnace chambers 1, by the gas in the vavuum pump 10 extraction furnace chambers 1.Be provided with the pressure that pressure sensor group 24 can detect gas in the pipeline in real time.Rapid pressure release when explosion venting device 3 reaches warning value when furnace chamber 1 internal pressure.The impurity that filter 4 filters in the pipeline only retains gas.Vent valve 5 bleeds off the gas in the pipeline earlier, realizes the row that fills of protective atmosphere in the furnace chambers 1 then by charge valve 6, source of the gas 7, relief valve 8, therefore just can the melting titanium etc. non-ferrous metal and alloy thereof, also can be used for containing the alloy melting of different melting points element.Computer 15 setting protective atmosphere pressure and inflation, exhaust scope; PLC controller 16 each modules of control; be connected communication between communication module 17 and the computer 15; Pressure gauge 22 passes to DI module 18 with the pressure information in the furnace chamber 1; DO module 19 control vent valves 5, charge valve 6, relief valve 8, valve 9; AI module 20 passes to pressure sensor group 24 with furnace chamber pressure, the pressure in the pressure sensor group 24 control furnace chambers.
The utility model is used for the melting of vacuum consumable electrode arc furnace protective atmosphere, and the pressure that has satisfied when the protective atmosphere melting is controlled.The protective gas control system that the utility model is used for vacuum consumable electrode arc furnace can be used for containing the alloy melting of different melting points element; in the atmosphere protection environment, give the high element melting of fusing point; low-melting element also can add elementary gas by source of the gas to ingot casting because there is the protective atmosphere protection to be unlikely to oxidation and volatilization in melting.The volatile quantity of low melting point element in the time of can effectively reducing the high-temperature metal melting.After the vacuum starting the arc, be manually switched to the inflation melting; setting pressure and fill row's scope on computers before the inflation; the control system of forming by sensor, PLC, magnetic valve, vavuum pump to these parameters and variable gather, computing, control; be implemented in the atmosphere protection fusion process pressure control and regulate automatically, but real time modifying setting value or in the safe pressure scope, manually fill exhaust.The actual value of these parameters and the variable of setting and operation note are preserved in computer.
Claims (2)
1. a protective gas control system that is used for vacuum consumable electrode arc furnace is characterized in that, comprises oven body part and electric control system,
Described oven body part is included in explosion venting device (3), filter (4), pressure sensor group (24), vent valve (5), charge valve (6), vacuum system (25), the valve (9) and vavuum pump (10) that sets gradually on the trunk line that furnace chamber (1) communicates, the gas input of described charge valve (6) is provided with source of the gas (7), also be provided with relief valve (8) between the gas output end of described charge valve (6) and the valve (9)
Described electric control system comprises computer (15), computer (15) is connected with the communication module (17) of PLC controller (16), described PLC controller (16) also comprises DI module (18), DO module (19), AI module (20), AO module (21), described DI module (18) is connected with the Pressure gauge (22) of setting in the furnace chamber (1), described DO module (19) is connected with vent valve (5), charge valve (6), relief valve (8), valve (9) respectively, and described AI module (20) is connected with pressure sensor group (24).
2. the protective gas control system that is used for vacuum consumable electrode arc furnace according to claim 1; it is characterized in that; described pressure sensor group (24) comprises pressure sensor a(11), high vacuum sensor (12), low vacuum sensor (13) and pressure sensor b(14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020683878 CN201945160U (en) | 2010-12-28 | 2010-12-28 | Protective gas control system for vacuum self-consumption electric arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020683878 CN201945160U (en) | 2010-12-28 | 2010-12-28 | Protective gas control system for vacuum self-consumption electric arc furnace |
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| Publication Number | Publication Date |
|---|---|
| CN201945160U true CN201945160U (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201020683878 Expired - Lifetime CN201945160U (en) | 2010-12-28 | 2010-12-28 | Protective gas control system for vacuum self-consumption electric arc furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943191A (en) * | 2020-08-04 | 2020-11-17 | 西安电子科技大学芜湖研究院 | PLC process gas control method based on diamond growth |
-
2010
- 2010-12-28 CN CN 201020683878 patent/CN201945160U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943191A (en) * | 2020-08-04 | 2020-11-17 | 西安电子科技大学芜湖研究院 | PLC process gas control method based on diamond growth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121024 Address after: 710018 Shaanxi Province Economic and Technological Development Zone Xi'an Mingguang Road No. 12 Patentee after: Western Superconducting Technologies Co., Ltd. Address before: 710018, Mingguang Road, Xi'an, Shaanxi, 12 Patentee before: Western Superconducting Technologies Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110824 |
|
| CX01 | Expiry of patent term |