CN203286887U - Electric heating rapid smelting magnesium metal reduction furnace - Google Patents
Electric heating rapid smelting magnesium metal reduction furnace Download PDFInfo
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- CN203286887U CN203286887U CN2013201816516U CN201320181651U CN203286887U CN 203286887 U CN203286887 U CN 203286887U CN 2013201816516 U CN2013201816516 U CN 2013201816516U CN 201320181651 U CN201320181651 U CN 201320181651U CN 203286887 U CN203286887 U CN 203286887U
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- heater
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- smelting magnesium
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Abstract
The utility model discloses an electric heating rapid smelting magnesium metal reduction furnace. A condenser (5) of the reduction furnace is arranged on the side face of a box-shaped furnace body (2), a container furnace chamber (3) is formed in the middle inside the box-shaped furnace body (2), honeycomb-briquette-shaped pellets (10) and a movable heat insulating block (9) are movably arranged on a movable tray (11), heat insulating materials (14) and high aluminum fireproof bricks (6) are built at the end of the inner wall (24) of a container to form a fireproof enclosure liner, a vacuum air extractor is connected to the side face of the upper end of the box-shaped furnace body (2) and communicated with the container furnace chamber (3), and electric heating devices are arranged in the high aluminum fireproof bricks (6) of the box-shaped furnace body (2). Due to the fact that a coal heating mode and a high temperature mechanical material inlet and outlet mode are replaced by a heat exchange mode, temperature is accurately controlled, smelting heat efficiency is high, heat loss is small, dust is reduced, environmental pollution is reduced, and labor intensity and production cost are reduced.
Description
Technical field: the utility model relates to a kind of non-ferrous metal metallurgy equipment, specifically the quick metal smelting magnesium reducing furnace of electrical heating of smelting magnesium application.
background technology: at present, generally adopt Pidgeon process to smelt at China's magnesium metal smelting, reduction furnace is the capital equipment of smelting, generally adopt take fire coal as main heating reduction furnace, due to sulfur dioxide and dust emission pollution, do not reach the requirement of environmental protection, country orders to eliminate, change again the reduction furnace that is converted into the coal gas heating with fire coal into, although everybody is using, but there is direct carbon emission, this is true, the 2nd, coal-fired reduction furnace no matter, or Gas-fired reductive furnace all uses heat-resisting tank steel pipe, smelt the production input cost that needs to pay 3000 yuan of ton magnesium, smelting temperature is limited in 1200 ℃, the 3rd, entirely by manual operation, temperature control and mechanized operation are poor, labour intensity is large, pelletizing is broken, the generation dust is large, thereby make reduction rate slow, greatly reduce the production efficiency of smelting magnesium.
The utility model content: the utility model has overcome the drawback of present Pidgeon process and the existence of electrolysis smelting magnesium, provides a kind of labour intensity lower, the quick metal smelting magnesium reducing furnace of electrical heating that environmental pollution is less.
the technical scheme that technical solution problem of the present invention adopts is: outside its box-like body of heater 2, six all are welded with reinforcement 1, condenser 5 is arranged on box-like body of heater 2 sides, container furnace chamber 3 is arranged on the interior middle part of box-like body of heater 2, honeycomb coaly pelletizing 10 and removable heat insulation 9 are movably placed on removable pallet 11, and be placed in the inner side of container furnace chamber 3, the container gate 8 of box-like body of heater 2 is fixed on box-like body of heater 2 two ends by the mounting flange 7 of container, build and form fire-resistant enclosure wall liner by heat-barrier material 14 and alumina firebrick 6 at container inner wall 24 ends, vacuum suction device is connected on box-like body of heater 2 upper side, and and container furnace chamber 3 communicates, electric heater unit is arranged in the alumina firebrick 6 of box-like body of heater 2.
The beneficial effects of the utility model are: the one, and the reduction furnace shell of tank is made by steel plate, and good sealing property is arranged, and can bear atmospheric pressure.
The 2nd, make the liner of this reduction furnace chamber of aluminous refractory, substitute the use of heat resisting pipe, temperature is brought up to 1500 ℃ of the limit by 1200 ℃ of present serviceability temperatures, shortens the recovery time, has saved heat resisting pipe, has reduced fund input.
The 3rd, adopt the displacement hot mode to replace the coal mode of heating, utilize electrical control cubicles and temperature controller to realize automatically and manually controlling, temperature is controlled accurately.
The 4th, adopt dolomite proportioning powder production method, change into and be pressed into the honeycomb briquette shape or be pressed into the hollow brick shape by present pelletizing processed, put in furnace chamber and smelt, reduced input and output material easily broken, produce the drawback of dust.
The 5th, adopt high-temperature machinery fork truck input and output material, reduce dust and produce, production environment is greatly improved, and has reduced simultaneously personnel, has reduced production cost.
Description of drawings: Fig. 1 is front view of the present utility model
Fig. 2 is electric heater unit view of the present utility model
Fig. 3 is vacuum suction device view of the present utility model
Fig. 4 is sectional view of the present utility model
the specific embodiment: embodiment 1: as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, outside its box-like body of heater 2, six all are welded with reinforcement 1, condenser 5 is arranged on box-like body of heater 2 sides, container furnace chamber 3 is arranged on the interior middle part of box-like body of heater 2, honeycomb coaly pelletizing 10 and removable heat insulation 9 are movably placed on removable pallet 11, and be placed in the inner side of container furnace chamber 3, the container gate 8 of box-like body of heater 2 is fixed on box-like body of heater 2 two ends by the mounting flange 7 of container, build and form fire-resistant enclosure wall liner by heat-barrier material 14 and alumina firebrick 6 at container inner wall 24 ends, vacuum suction device is connected on box-like body of heater 2 upper side, and and container furnace chamber 3 communicates, electric heater unit is arranged in the alumina firebrick 6 of box-like body of heater 2.
Embodiment 2: as shown in Figure 1, Figure 2, Figure 4 shows, the copper electrode 21 of described electric heater unit, insulation board 20 are arranged on box-like body of heater 2 sides at container gate 8, copper electrode 21 1 ends are placed in outside container, the other end stretches in furnace chamber 3, and are connected connection with graphite electrode, copper electrode water-cooled mouth 23, copper coin lead-in wire 22 are arranged on copper electrode 21 left ends and are exposed, fixed electrical machinery flange 18 is arranged on copper electrode 21 middle parts, graphite electrode 12 is placed in the alumina firebrick 6 of container furnace chamber 3 interior bottoms, and by joint 19 connections that be connecteds with graphite of adapter sleeve 17, connecting axle 16.
Embodiment 3: as shown in Figure 1, Figure 3, the vacuum manifold 26 of described vacuum suction device links together by flange 27, two ends and condenser 5 weld together, 4 one of vacuum trunk lines connect the vacuum suction unit, other end is set to end socket 32, and middle part is connected with many vacuum manifold 26, does many vacuum manifold 26 on vacuum trunk line 4, a plurality of condensers 5 of corresponding connection, condenser 5 are provided with water jacket 30, water jacket water inlet 28, water jacket delivery port 29 and blind plate lid 31.
Embodiment 4: as shown in Figure 1, Figure 3, described graphite electrode 12 can arrange three graphite flakes, also can arrange single.
Embodiment 5: as shown in Figure 1, Figure 3, thermometric bar mouth 15 is left in described box-like body of heater 2 upper ends.
Embodiment 6: as shown in Figure 1, Figure 3, described box-like body of heater 2 is horizontal.
The utility model structure forms and operation principle:
The one, this quick metal smelting magnesium reducing furnace case, must seal, when unloaded, vacuum should be below 3Pa, and building around in furnace chamber has heat-barrier material, and the liner that is built into of high alumina refractories, play heat-resisting 1500 ℃, and heat insulation, realize in the inherent vacuum environment of container electrical heating, heat up, heat insulation, the function of insulation, adapt to metal smelting magnesium reducing furnace case.
The 2nd, power unit, the smelting magnesium assembly of reduction furnace is connected with electric heater unit fast, electric heater unit displacement hot mode replaces the coal-fired heating mode, special-purpose 380V or 220V are elementary, between secondary 90V---60V, the power transformer of secondary minute class, secondary electrical is transported to the copper electrode of reduction furnace, deliver to again graphite electrode, the interior graphite electrode of furnace chamber of realizing quick reduction furnace for smelting case is connected with electric heater unit, reach temperature-controlling cabinet and thermometer and realize automatic and manually control, the accurate control of temperature.
The 3rd, the vacuum suction part, metal smelting magnesium reducing furnace case is connected with vacuum suction device fast, by vavuum pump, vacuum valve, bleeding point on condenser on vacuum pipe and reduction furnace container furnace wall is connected, the bleeding point of realizing quick reduction furnace for smelting case is connected with vacuum suction device, realizes bleeding to smelting vessel.
The 4th, after completing installation, carry out oven drying, box-shaped vessel is vacuumized, guarantee vacuum below 13 handkerchiefs, heating-up temperature, more than 1150 ℃, just is fit to the smelting magnesium requirement.Reduction furnace case design limit temperatures can be brought up to 1500 ℃, and final vacuum is 1 handkerchief, just can enter subsequent processing.
Operation sequence of the present utility model is: first the powder that the dolomite proportioning is good is pressed into honeycomb briquette shape or hollow brick with holes, be placed in the reduction furnace container, sealing reduction furnace container, take the residual gas in the reduction furnace container simultaneously away, and electrical heating, that magnesium steam is formed Crystalline Magnesium in condenser, this technique, without heat resisting pipe, meets the low-carbon emission of environmental protection, reaches energy-conservation, fast reaction, boost productivity, use, safe and reliable.
Claims (6)
1. quick metal smelting magnesium reducing furnace of electrical heating, it is characterized in that outer six of box-like body of heater (2) all is welded with reinforcement (1), condenser (5) is arranged on box-like body of heater (2) side, container furnace chamber (3) is arranged on middle part in box-like body of heater (2), honeycomb coaly pelletizing (10) and removable heat insulation (9) are movably placed on removable pallet (11), and be placed in the inner side of container furnace chamber (3), the container gate (8) of box-like body of heater (2) is fixed on box-like body of heater (2) two ends by the mounting flange (7) of container, build and have heat-barrier material (14) and alumina firebrick (6) to form fire-resistant enclosure wall liner at container inner wall (24) end, vacuum suction device is connected on box-like body of heater (2) upper side, and and container furnace chamber (3) communicates, electric heater unit is arranged in the alumina firebrick (6) of box-like body of heater (2).
2. the quick metal smelting magnesium reducing furnace of electrical heating according to claim 1, the copper electrode (21) that it is characterized in that described electric heater unit, insulation board (20) is arranged on box-like body of heater (2) side at container gate (8), copper electrode (21) one ends are placed in outside container, the other end stretches in furnace chamber (3), and with graphite electrode, be connected 12) connect, copper electrode water-cooled mouth (23), copper coin lead-in wire (22) is arranged on copper electrode (21) left end and is exposed, fixed electrical machinery flange (18) is arranged on copper electrode (21) middle part, graphite electrode (12) is placed in the alumina firebrick (6) of the interior bottom of container furnace chamber (3), and by adapter sleeve (17), connecting axle (16) joint (19) that is connected with graphite connects.
3. the quick metal smelting magnesium reducing furnace of electrical heating according to claim 1, the vacuum manifold (26) that it is characterized in that described vacuum suction device links together by flange (27), two ends and condenser (5) weld together, (4) one of vacuum trunk lines connect the vacuum suction unit, other end is set to end socket (32), middle part is connected with many vacuum manifold (26), do many vacuum manifold (26) on vacuum trunk line (4), a plurality of condensers of corresponding connection (5), condenser (5) is provided with water jacket (30), water jacket water inlet (28), water jacket delivery port (29) and blind plate lid (31).
4. the quick metal smelting magnesium reducing furnace of electrical heating according to claim 2, is characterized in that described graphite electrode (12) arranges three graphite flakes.
5. the quick metal smelting magnesium reducing furnace of electrical heating according to claim 1, is characterized in that described box-like body of heater (2) upper end leaves thermometric bar mouth (15).
6. the quick metal smelting magnesium reducing furnace of electrical heating according to claim 1, is characterized in that described box-like body of heater (2) is for horizontal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201816516U CN203286887U (en) | 2013-03-29 | 2013-03-29 | Electric heating rapid smelting magnesium metal reduction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201816516U CN203286887U (en) | 2013-03-29 | 2013-03-29 | Electric heating rapid smelting magnesium metal reduction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203286887U true CN203286887U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201816516U Expired - Fee Related CN203286887U (en) | 2013-03-29 | 2013-03-29 | Electric heating rapid smelting magnesium metal reduction furnace |
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| CN (1) | CN203286887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378266A (en) * | 2020-11-10 | 2021-02-19 | 宁夏太阳镁业有限公司 | Magnesium metal is smelted and is used desulfurization system |
-
2013
- 2013-03-29 CN CN2013201816516U patent/CN203286887U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378266A (en) * | 2020-11-10 | 2021-02-19 | 宁夏太阳镁业有限公司 | Magnesium metal is smelted and is used desulfurization system |
| CN112378266B (en) * | 2020-11-10 | 2022-08-23 | 宁夏太阳镁业有限公司 | Magnesium metal is smelted and is used desulfurization system |
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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: 20131113 Termination date: 20160329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |