CN103557714A - Novel vacuum intelligent control system and device of double-heat-storage vertical type magnesium metal smelting reduction furnace - Google Patents
Novel vacuum intelligent control system and device of double-heat-storage vertical type magnesium metal smelting reduction furnace Download PDFInfo
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- CN103557714A CN103557714A CN201310594586.4A CN201310594586A CN103557714A CN 103557714 A CN103557714 A CN 103557714A CN 201310594586 A CN201310594586 A CN 201310594586A CN 103557714 A CN103557714 A CN 103557714A
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Abstract
The invention relates to a novel vacuum intelligent control system and device of a double-heat-storage vertical type magnesium metal smelting reduction furnace. The system comprises an industrial computer 1, a PLC (programmable logic controller) 2, a vacuum leak detector 3, a high-frequency transformer 4, an electric spark alarm 5, a digital display vacuum pressure gauge 6, an electric vacuum control valve 7, a connection cable 8 and a PLC program 9. The novel vacuum intelligent control system and device of the double-heat-storage vertical type magnesium metal smelting reduction furnace has the main advantages that the detection is accurate and reliable, and online monitoring of vacuum leakage of a reduction furnace vacuum system is realized.
Description
Technical field
The present invention relates to a kind of novel two accumulation of heats vertical reduction furnace for smelting metal magnesium vacuum intelligent control system and device, belong to metallurgical automation control technology field.
Background technology
Metal current magnesium is smelted to produce in China and is occurred a kind of novel vertical reduction furnace for smelting metal magnesium of two accumulation of heats, and body of heater adopts double heat storage type reduction furnace, and magnesium metal smelting must just reduction reaction can occur being born under pressure of 1-5pa.And vacuum system is comprised of vacuum line, valve, vacuum unit (forepump and main frame pump) vacuum apparatus and vacuum test instrument etc., so the quality of vacuum tube system component parts and assembling level are the key conditions of decision systems vacuum.If vacuum system occurs to reveal, cannot guarantee the reduction reaction of magnesium metal.
In actual production, early stage, vacuum value of velocity was extremely important, got rid of rapidly H
2o, CO
2, reduce H
2o and CO
2oxidation to ferrosilicon.Require vacuum work one will safeguard jet pump, make jet pump keep optimum performance, two will investigate rapidly leakage point after sealed cans, can't wait until the vacuum investigation that just starts not up to standard in required time; Final vacuum is more high better in theory, more than the object 13.3Pa that will reach in practice, avoids fluctuations of vacuum in process.And the method that checks the leakage point is artificial listening, rely on strongly the professional qualities of experience and vacuum work.
Summary of the invention
Object of the present invention provide a kind of can be automatically, safety, clear in time the induction system of high temperature reduction slag.Be achieved through the following technical solutions for achieving the above object: the present invention relates to a kind of novel two accumulation of heats vertical reduction furnace for smelting metal magnesium vacuum intelligent control system and device, system comprises industrial computer 1, PLC Programmable Logic Controller 2, vacuum leak detector 3, high frequency transformer 4, electric spark alarm device 5, digital display pressure vacuum gauge 6, Motorized vacuum control valve 7, connection cable 8, PLC program 9 forms, it is characterized in that a kind of novel vertical reduction furnace for smelting metal magnesium vacuum intelligent of two accumulation of heats control system and device produce electric spark by vacuum leak detector 3 by the leakage vacuum detecting, by electric spark alarm device, send sound and light alarm, and feed back in PLC program 7, carry out the on-off action of Motorized vacuum control valve 7 to control.The range ability of described vacuum leak detector 3 is 0-14pa.Described high frequency transformer 4 is for being elevated to 2500V or 3000V by 220V alternating voltage.Described electric spark alarm device 5 is arranged in a container, for detection of high-voltage spark with vacuum leak detector 3.Described Motorized vacuum control valve 7 is arranged between vacuum main line and bye-pass.
advantage of the present invention is mainly reflected in:
1, detection precisely, reliably;
2, realized the on-line monitoring of reduction furnace vacuum system vacuum leak.
accompanying drawing explanation
fig. 1 is a kind of novel vertical reduction furnace for smelting metal magnesium vacuum intelligent of two accumulation of heats control system and device front view structure chart:
1-industrial computer 2-PLC Programmable Logic Controller 3-vacuum leak detector 4-high frequency transformer 5-electric spark alarm device 6-digital display pressure vacuum gauge 7-Motorized vacuum control valve 8-connection cable 9-PLC program.
specific embodiment explanation
below in conjunction with Fig. 1, tell about embodiment:
1 one kinds of novel two accumulation of heats vertical reduction furnace for smelting metal magnesium vacuum intelligent control systems of embodiment and the effect of installation composition and each parts:
System comprises that industrial computer 1, PLC Programmable Logic Controller 2, vacuum leak detector 3, high frequency transformer 4, electric spark alarm device 5, digital display pressure vacuum gauge 6, Motorized vacuum control valve 7, connection cable 8, PLC program 9 form, it is characterized in that a kind of novel vertical reduction furnace for smelting metal magnesium vacuum intelligent of two accumulation of heats control system and device produce electric spark by vacuum leak detector 3 by the leakage vacuum detecting, by electric spark alarm device, send sound and light alarm, and feed back in PLC program 7, carry out the on-off action of Motorized vacuum control valve 7 to control.The range ability of described vacuum leak detector 3 is 0-14pa.High frequency transformer 4 is for being elevated to 2500V or 3000V by 220V alternating voltage.Electric spark alarm device 5 is arranged in a container, for detection of high-voltage spark with vacuum leak detector 3.Motorized vacuum control valve 7 is arranged between vacuum main line and bye-pass.
2 one kinds of novel two accumulation of heats vertical reduction furnace for smelting metal magnesium vacuum intelligent control systems of embodiment and the operation principle of device:
Claims (5)
1. the present invention relates to a kind of novel two accumulation of heats vertical reduction furnace for smelting metal magnesium vacuum intelligent control system and device, system comprises industrial computer 1, PLC Programmable Logic Controller 2, vacuum leak detector 3, high frequency transformer 4, electric spark alarm device 5, digital display pressure vacuum gauge 6, Motorized vacuum control valve 7, connection cable 8, PLC program 9 forms, it is characterized in that a kind of novel vertical reduction furnace for smelting metal magnesium vacuum intelligent of two accumulation of heats control system and device produce electric spark by vacuum leak detector 3 by the leakage vacuum detecting, by electric spark alarm device, send sound and light alarm, and feed back in PLC program 7, carry out the on-off action of Motorized vacuum control valve 7 to control.
2. a kind of novel two accumulation of heats vertical reduction furnace for smelting metal magnesium vacuum intelligent control system and device according to claim 1, is characterized in that the range ability of described vacuum leak detector 3 is 0-14pa.
3. a kind of novel two accumulation of heats vertical reduction furnace for smelting metal magnesium vacuum intelligent control system and device according to claim 1, is characterized in that described high frequency transformer 4 is for being elevated to 2500V or 3000V by 220V alternating voltage.
4. a kind of novel two accumulation of heats vertical reduction furnace for smelting metal magnesium vacuum intelligent control system and device according to claim 1, is characterized in that described electric spark alarm device 5 and vacuum leak detector 3 are arranged in a container, for detection of high-voltage spark.
5. a kind of novel two accumulation of heats vertical reduction furnace for smelting metal magnesium vacuum intelligent control system and device according to claim 1, is characterized in that described Motorized vacuum control valve 7 is arranged between vacuum main line and bye-pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594586.4A CN103557714A (en) | 2013-11-22 | 2013-11-22 | Novel vacuum intelligent control system and device of double-heat-storage vertical type magnesium metal smelting reduction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310594586.4A CN103557714A (en) | 2013-11-22 | 2013-11-22 | Novel vacuum intelligent control system and device of double-heat-storage vertical type magnesium metal smelting reduction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103557714A true CN103557714A (en) | 2014-02-05 |
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|---|---|---|---|
| CN201310594586.4A Pending CN103557714A (en) | 2013-11-22 | 2013-11-22 | Novel vacuum intelligent control system and device of double-heat-storage vertical type magnesium metal smelting reduction furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197732A (en) * | 2014-09-19 | 2014-12-10 | 济南大学 | Regenerative gas heating furnace control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0933178A (en) * | 1995-07-20 | 1997-02-07 | Shinko Electric Co Ltd | High frequency electric induction furnace |
| CN202947493U (en) * | 2012-11-16 | 2013-05-22 | 丹阳市江南工业炉有限公司 | Temperature control system for industrial furnace |
| CN103177536A (en) * | 2013-03-06 | 2013-06-26 | 南京梅山冶金发展有限公司 | Gas detecting and alarming system and controlling method thereof for annular shaft kiln |
-
2013
- 2013-11-22 CN CN201310594586.4A patent/CN103557714A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0933178A (en) * | 1995-07-20 | 1997-02-07 | Shinko Electric Co Ltd | High frequency electric induction furnace |
| CN202947493U (en) * | 2012-11-16 | 2013-05-22 | 丹阳市江南工业炉有限公司 | Temperature control system for industrial furnace |
| CN103177536A (en) * | 2013-03-06 | 2013-06-26 | 南京梅山冶金发展有限公司 | Gas detecting and alarming system and controlling method thereof for annular shaft kiln |
Non-Patent Citations (2)
| Title |
|---|
| 刘伟忠: "超声波检漏方法及仪器介绍", 《无损检测》, vol. 20, 31 December 1998 (1998-12-31) * |
| 合肥通用机械研究院: "真空设备的检漏", 《运行与应用》, 31 December 2006 (2006-12-31) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197732A (en) * | 2014-09-19 | 2014-12-10 | 济南大学 | Regenerative gas heating furnace control system |
| CN104197732B (en) * | 2014-09-19 | 2016-04-06 | 济南大学 | A kind of regenerative gas heater control system |
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Application publication date: 20140205 |