CN2926959Y - Magnesium-alloy smelting furnace - Google Patents
Magnesium-alloy smelting furnace Download PDFInfo
- Publication number
- CN2926959Y CN2926959Y CN 200620035018 CN200620035018U CN2926959Y CN 2926959 Y CN2926959 Y CN 2926959Y CN 200620035018 CN200620035018 CN 200620035018 CN 200620035018 U CN200620035018 U CN 200620035018U CN 2926959 Y CN2926959 Y CN 2926959Y
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- China
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- smelting furnace
- air inlet
- inlet pipe
- heater
- automatic valve
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- Expired - Fee Related
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Abstract
The utility model discloses a magnesium alloy smelter hearth comprising a hearth body and a smelter hearth in the hearth body. A fire box positioned between the hearth body and the smelter hearth communicates with an air inlet pipe, the air inlet pipe connects with a gas storage device through an automatic valve; the fire box is internally provided with a weeping detecting probe which connects with the automatic valve through a control unit. The utility model has the weeping detecting probe positioned at the bottom of the fire box so as to make a detection to see whether or not a crucible is suffering from a weeping; the fire box communicates with the air inlet pipe and the automatic valve is arranged on the air inlet pipe and controlled by the control unit, thus, in case of a weeping, the weeping detecting probe may transmit the detected result to the control unit in time to make the control unit switch on the automatic valve and to make the gas storage device input a protective gas into the fire box automatically without a manual control, thereby making the operations safe and reliable and preventing the leaked liquid from burning and even exploding.
Description
Technical field
The utility model relates to a kind of smelting apparatus, relates in particular to a kind of Mg alloy smelting furnace.
Background technology
Magnesium alloy is owing to have casting technique performance in light weight, that rigidity is big, good, and thermal conductivity is good, the heat endurance height, damping capacity is good, good electromagnetic shielding characteristic, and waste material reclaims easily, be applied in more and more in the industries such as automobile, electronics, five metals, China is as the important base of magnesium output big country and automobile, electronics processing, and along with cost reduces and the breakthrough of technical bottleneck, magnesium alloy has vast potential for future development.
The production of magnesium alloy, manufacturing must be through fusion process, and the melting of magnesium alloy is generally carried out in smelting furnace.Existing smelting furnace, its structure comprise the body of heater with heat-insulation layer, the crucible that places body of heater and heater, temperature measuring equipment, protective gas input unit etc.During melting, the magnesium ingot of preheating is sent in the crucible from dog-house, carried out heat fused by heater, temperature measuring equipment is used for monitoring, control heating-up temperature.Magnesium alloy fused mass after the fusing is sent use by pump, pipeline again.
Magnesium alloy smelting is to influence the importance that magnesium alloy is used, and in fusion process, crucible easily leaks; existing melting furnace does not have safeguard measure when magnesium liquid leaks, because magnesium essence is active, after leakage magnesium liquid flows into burner hearth; easy firing, blast cause security incident.
Summary of the invention
The purpose of this utility model is to overcome the problems referred to above that existing Mg alloy smelting furnace exists, and provides a kind of employing gas shield when magnesium alloy is leaked, safe and reliable Mg alloy smelting furnace.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of Mg alloy smelting furnace comprises the smelting furnace in body of heater, the body of heater, and it is characterized in that: the burner hearth between body of heater and smelting furnace is communicated with an air inlet pipe, and air inlet pipe is connected with the gas storage facility through automatic valve; Be provided with the leakage detection probe in the described burner hearth, the leakage detection probe is connected with automatic valve through control module.
Described control module comprises the amplifier of reception and switching signal, the relay control circuit of the signal after the reception amplifier conversion.
Described furnace body inside surface is provided with heat-insulation layer.
Described leakage detection probe is arranged on the burner hearth bottom between heat-insulation layer and the smelting furnace.
Described gas storage facility is provided with Pressure gauge, and the valve of gas storage facility is communicated with air inlet pipe.
Described smelting furnace is a crucible.
Described upper of furnace body is provided with cover plate, and described cover plate is connected with body of heater through the lid lining.
Described cover plate is provided with sealing ring with lid lining junction.
Advantage of the present utility model is:
The utility model is provided with the leakage detection probe at burner hearth bottom, can in time detect crucible whether leakage takes place; Burner hearth is communicated with air inlet pipe; air inlet pipe is provided with automatic valve; automatic valve is controlled by control module; when the phenomenon of leakage took place, the leakage detection probe in time passed to control module with detected situation, opened automatic valve by control module; the gas storage facility is automatic input protection gas in burner hearth; do not need manpower control, safe and reliable, the situation that the leakage fluid burning can not take place and explode.
Description of drawings
Fig. 1 is the utility model structural representation
Be labeled as among the figure: 1, body of heater, 2, smelting furnace, 3, burner hearth, 4, air inlet pipe, 5, automatic valve, 6, the gas storage facility, 7, the leakage detection probe, 8, control module, 9, cover plate, 10, heat-insulation layer, 11, Pressure gauge, 12, gas storage facility valve.
The specific embodiment
A kind of Mg alloy smelting furnace comprises the smelting furnace 2 in body of heater 1, the body of heater 1, and the burner hearth 3 between body of heater 1 and smelting furnace 2 is communicated with an air inlet pipe 4, and air inlet pipe 4 is connected with gas storage facility 6 through automatic valve 5; Be provided with leakage detection probe 7 in the described burner hearth 3, leakage detection probe 7 is connected with automatic valve 5 through control module 8.Body of heater 1 inner surface is provided with heat-insulation layer 10.Leakage detection probe 7 is arranged on burner hearth 3 bottoms between heat-insulation layer 10 and the smelting furnace 2.Gas storage facility 6 is provided with Pressure gauge 11, and gas storage facility valve 12 is communicated with air inlet pipe 4.Smelting furnace 2 is a crucible.Body of heater 1 top is provided with cover plate 9, and described cover plate 9 is connected with body of heater 1 through the lid lining.Cover plate 9 is provided with sealing ring with lid lining junction.Control module 8 comprises the amplifier of reception and switching signal, the relay control circuit of the signal after the reception amplifier conversion.
In the utility model; leakage detection probe 7 adopts the short-circuit detecting principle to carry out work; leak into when magnesium liquid and cause two electrodes to connect on the detecting electrode of leakage detection probe 7; leakage detection probe 7 is sent a switch connection signal to control module 8; the amplifier of control module 8 converts the switch connection signal switching signal of relay output to and exports this signal and give relay control circuit; give the control valve of automatic valve 5 by relay control circuit output control signal; control valve control magnetic valve is opened, and protective gas is carried in the air feed loop in body of heater 1.
During smelting, leak, then in body of heater 1, feed protective gas SF from air inlet pipe 4 automatically if magnesium liquid takes place
6With N
2Mist, can completely cut off magnesium alloy solution and contact with airborne combustion-supporting gas, play the effect that prevents magnesium alloy oxidation, burning.
The utility model is provided with leakage detection probe 7 at burner hearth bottom, can in time detect crucible whether leakage takes place; Burner hearth 3 is communicated with air inlet pipe 4; air inlet pipe 4 is provided with automatic valve 5; automatic valve 5 is by control module 8 controls; when the phenomenon of leakage took place, leakage detection probe 7 in time passed to control module 8 with detected situation, opened automatic valve 5 by control module 8; gas storage facility 6 is automatic input protection gas in burner hearth 3; do not need manpower control, safe and reliable, the situation that the leakage fluid burning can not take place and explode.
Claims (8)
1, a kind of Mg alloy smelting furnace, comprise the smelting furnace (2) in body of heater (1), the body of heater (1), it is characterized in that: the burner hearth (3) that is positioned between body of heater (1) and the smelting furnace (2) is communicated with an air inlet pipe (4), and air inlet pipe (4) is connected with gas storage facility (6) through automatic valve (5); Be provided with leakage detection probe (7) in the described burner hearth (3), leakage detection probe (7) is connected with automatic valve (5) through control module (8).
2, Mg alloy smelting furnace according to claim 1 is characterized in that: described control module (8) comprises the amplifier of reception and switching signal, the relay control circuit of the signal after the reception amplifier conversion.
3, Mg alloy smelting furnace according to claim 1 is characterized in that: described body of heater (1) inner surface is provided with heat-insulation layer (10).
4, Mg alloy smelting furnace according to claim 1 is characterized in that: described leakage detection probe (7) is arranged on burner hearth (3) bottom between heat-insulation layer (10) and the smelting furnace (2).
5, Mg alloy smelting furnace according to claim 1 is characterized in that: described gas storage facility (6) is provided with Pressure gauge (11), and gas storage facility valve (12) is communicated with air inlet pipe (4).
6, according to claim 1 or 4 described Mg alloy smelting furnaces, it is characterized in that: described smelting furnace (2) is a crucible.
7, according to claim 1 or 3 described Mg alloy smelting furnaces, it is characterized in that: described body of heater (1) top is provided with cover plate (9), and described cover plate (9) is connected with body of heater through the lid lining.
8, Mg alloy smelting furnace according to claim 7 is characterized in that: described cover plate (9) is provided with sealing ring with lid lining junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035018 CN2926959Y (en) | 2006-07-24 | 2006-07-24 | Magnesium-alloy smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035018 CN2926959Y (en) | 2006-07-24 | 2006-07-24 | Magnesium-alloy smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2926959Y true CN2926959Y (en) | 2007-07-25 |
Family
ID=38281207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620035018 Expired - Fee Related CN2926959Y (en) | 2006-07-24 | 2006-07-24 | Magnesium-alloy smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2926959Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832711A (en) * | 2010-04-21 | 2010-09-15 | 浙江工业大学 | Severe magnesium leakage accident protection system for magnesium alloy melting furnace |
| CN101423900B (en) * | 2007-11-01 | 2011-12-14 | 山西银光华盛镁业股份有限公司 | Magnesium alloy large-sized continual smelting system |
-
2006
- 2006-07-24 CN CN 200620035018 patent/CN2926959Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423900B (en) * | 2007-11-01 | 2011-12-14 | 山西银光华盛镁业股份有限公司 | Magnesium alloy large-sized continual smelting system |
| CN101832711A (en) * | 2010-04-21 | 2010-09-15 | 浙江工业大学 | Severe magnesium leakage accident protection system for magnesium alloy melting furnace |
| CN101832711B (en) * | 2010-04-21 | 2012-01-18 | 浙江工业大学 | Severe magnesium leakage accident protection system for magnesium alloy melting furnace |
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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: 20090320 Address after: Sichuan province Chengdu Chengdu economic and Technological Development Zone individual private park, postal code: 610100 Patentee after: Chengdu Hongfo Technology Co., Ltd. Address before: Sichuan province Chengdu Chengdu economic and Technological Development Zone individual private park, postal code: 610100 Patentee before: y972477330ustrial Co., Ltd., Chengdu |
|
| ASS | Succession or assignment of patent right |
Owner name: CHENGDU HONGFO SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHENGDU LONGDE INDUSTRY CO.,LTD. Effective date: 20090320 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 |