CN101748294B - Metallic magnesium reduction process and system - Google Patents
Metallic magnesium reduction process and system Download PDFInfo
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- CN101748294B CN101748294B CN200810229431XA CN200810229431A CN101748294B CN 101748294 B CN101748294 B CN 101748294B CN 200810229431X A CN200810229431X A CN 200810229431XA CN 200810229431 A CN200810229431 A CN 200810229431A CN 101748294 B CN101748294 B CN 101748294B
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Abstract
The invention relates to metallic magnesium smelting in the non-ferrous metal smelting field, in particular to a metallic magnesium reduction process and a system; the metallic magnesium reduction process comprises the following steps: after a monomer metallic magnesium reduction device which is distributed by a vacuum-pumping system in a reduction zone carries out reduction process, the monomer metallic magnesium reduction device is transferred to a magnesium discharge area by a transferring device, so as to carry out magnesium discharge operation, and the monomer metallic magnesium reduction device is transferred to a deslagging area after carrying out magnesium discharge, so as to carry out deslagging operation; after deslagging is carried out, the monomer metallic magnesium reduction device is transferred to a charging area, so as to carry out charging operation, and finally, the device is transferred to the reduction zone and is electrified and heated in a group; the invention has the advantages that: the operating and maintaining expense of a magnesium reduction furnace is saved, the discharge and pollution of industrial waste gas are stopped, energy waste is avoided, the magnesium discharge ratio and the comprehensive output are improved, the service life of a tank body is prolonged, the production cost can be effectively reduced, labor condition of workers can be effectively improved, and the purpose of waste heat circulating usage is achieved.
Description
Technical field
The present invention relates to the magnesium metal smelting of smelting field of nonferrous metal, particularly relate to a kind of magnesium metal reduction process and system, is the hot method magnesium reduction technology of core with the magnesium reducing furnace in order to what replace adopting at present.
Background technology
Magnesium metal reduction process is that hot method magnesium is smelted the core process of producing, its effect is after spherical raw material that last process is come and specific reductive agent are mixed in proportion, be added in the magnesium reduction jar of arranging in the reduction furnace, under the condition that vacuumizes, magnesium reducing furnace heating magnesium reduction tank body.Jar in material at high temperature with reductive agent generation reduction reaction, the MAGNESIUM METAL start vaporizer is the cooling section that vaporous is spilled over to the magnesium reduction jar, and cools off on the crystallizer at jar mouth place, is condensed into annular metal magnesium xln, finishes its reduction process.Pull down crystallizer then, claw the high temperature waste residue, reinstall material and add thermal reduction.
Existing metal magnesiothermy reducing process, its reduction process are mainly realized by magnesium reducing furnace.After reduction is finished, also to before reduction furnace, carry out following operation: pull down crystallizer, adopt and manually to claw～1200 ℃ high temperature waste residue from the jar mouth, treat its naturally cooling after, transport the waste residue pour point to, adopt manual method in the reduction jar, to add material again, continue the heating reduction process.This technology has the shortcoming of following several respects: 1, must adopt magnesium reducing furnace that heat energy is provided, the heating tank body is finished magnesium metal reduction, and the processing unit configuration is complicated; 2, reduction furnace cost height, working cost height, maintenance load are big; 3, the Control for Kiln Temperature error is big, and it is low that the material reduction is insufficient in jar, the MAGNESIUM METAL product goes out rate; 4, reduction tank body Heating temperature is inhomogeneous, overheated easily, causes the tank body severe oxidation, increases production cost; 5, the charging of before reduction furnace, finishing, go out magnesium, operation such as slag tap is difficult to realize mechanized operation, labor condition is poor; 6, a large amount of waste heats of carrying of high temperature waste residue are not used, and do not meet the principle of energy-saving and emission-reduction; 7, technical process is unreasonable, has increased the logistics cost in producing.
Summary of the invention
The present invention is exactly to provide in order to solve the problems of the technologies described above a kind of magnesium metal reduction process and system, purpose to solve that existing metal magnesiothermy reducing process configuration is complicated, reduction furnace cost and working cost height, reduction temperature control out of true, go out that the magnesium rate is low, reduction jar Heating temperature inequality causes oxidation damage, be difficult to the irrational problem of recycling economy principle, technical process that realizes mechanized operation, do not meet energy-saving and emission-reduction.
Be achieved in that a kind of magnesium metal reduction process in order to solve the problems of the technologies described above the present invention, comprise the steps: after the elemental metals magnesium reduction device that arrange by the pumped vacuum systems grouping reduction zone is finished its reduction process, by running gear it is moved to out the magnesium district, go out the magnesium operation; The elemental metals magnesium reduction device that has gone out magnesium is moved into the district of slagging tap, and goes out slag operation; Move to loading area after slagging tap again, carry out loading operation, move to the reduction zone at last again, enter marshalling energising heating.
Describedly go out slag operation by the high temperature waste residue that elemental metals magnesium reduction device comes out, enter heat-exchange equipment, the cooling waste residue after heat exchange enters the waste residue output mechanism, is transported to waste residue and focuses on a little.
Described heat-exchange equipment is squeezed into heat transferring medium by working shaft.
Described heat transferring medium is a water.
The steam that described heat-exchange equipment is produced, the pumped vacuum systems of supply reduction zone is to drive its vapour pump.
Described high temperature waste residue is with closely-spaced, impouring heat-exchange equipment semi-continuously.
Described loading area is installed crystallizer, the jar mouth of sealing metal magnesium reduction device.
Describedly go out the magnesium district and adopt the magnesium ring to deviate from equipment to go out the magnesium operation, the magnesium ring of deviating from is transported to subsequent processing by the continuous output machine structure, go out crystallizer behind the magnesium in this district after the cleaning of crystallizer cleaning plant, send into loading area and treat the next cycle use.
A kind of magnesium metal reduction system comprises the reduction zone, the reduction zone with go out the magnesium district and be communicated with, going out the magnesium district is communicated with the district of slagging tap, the district of slagging tap is communicated with loading area, and loading area is communicated with the reduction zone, magnesium metal reduction apparatus in the reduction zone, go out the magnesium district, continuous mobile operation of circulating in slag tap district and the loading area.
Describedly go out the magnesium district and be provided with the magnesium ring and deviate from equipment and continuous conveying mechanism, go out the magnesium district and have the crystallizer cleaning plant.
The below of the heat-exchange equipment in the described district of slagging tap is provided with the waste residue output mechanism, and the heat-exchange equipment import is connected by pipeline with working shaft, and the heat-exchange equipment outlet is connected with the reduction zone by steam pipeline.
Described steam pipeline is connected with pumped vacuum systems in the reduction zone.
Described loading area is provided with quantitative loading device.
Described quantitative loading device is connected with the system ball production line.
Described magnesium metal reduction apparatus is located on the running gear.
Described running gear is provided with the waste residue tipping mechanism, and magnesium metal reduction apparatus is located on the waste residue tipping mechanism.
Advantageous effect of the present invention:
1, simplified technical process, changed traditional magnesium reducing furnace mode of production, saved the magnesium reducing furnace operation and maintenance cost, stopped the industrial gas emission and the pollution that bring by magnesium reducing furnace simultaneously, avoided simultaneously because the low energy dissipation that brings of magnesium reducing furnace thermo-efficiency.
2, electrically heated magnesium metal reduction apparatus can increase the handiness of Process configuration according to the form and the flexible packet configuration of ability of pumped vacuum systems.
3, for each electrically heated elemental metals magnesium reduction device, can accomplish Heating temperature accurate control, shorten heating period, can improve and magnesium rate and comprehensive output.
4, the Heating temperature of accurately controlling can be avoided the overheated of monomer reducing apparatus, prolongs the work-ing life of its tank body, effectively reduces production costs.
5, all reduction, feed, go out magnesium, operation such as slag tap, all can finish in special zone, place respectively, be easy to realize mechanized operation, effectively improve workman's labor condition.
6, it is closely-spaced, semicontinuous that described technical process can be used slag operation, and the entrained a large amount of waste heats of high temperature waste residue can obtain recycle.
7, the present invention with magnesium metal reduction apparatus move continuously, division operation is principal character, can make magnesium metal reduction flow process trend more reasonable, more optimize, with the logistics cost that effectively reduces in producing.
8, the waste heat that obtains reclaiming can be used to produce steam, supplies with the pumped vacuum systems of reduction zone, is used for driving its vapour pump, reaches the purpose of recycling residual heat.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.
Among the figure: 1, reduction zone; 2, go out the magnesium district; 3, the district of slagging tap; 4, loading area; 5, magnesium metal reduction apparatus; 6, running gear; 7, the magnesium ring is deviate from equipment; 8, crystallizer cleaning plant; 9, pumped vacuum systems; 10, waste residue tipping mechanism; 11, high temperature waste residue; 12, heat-exchange equipment; 13, working shaft; 14, cold water; 15, steam; 16, cooling waste residue; 17, waste residue output mechanism; 18, quantitative loading device; 19, crystallizer; 20, magnesium ring continuous output machine structure.
Embodiment
Below embodiments of the invention are described in detail in conjunction with the accompanying drawings, but protection scope of the present invention is not limit by embodiment.
As shown in the figure, the present invention includes following step: after the elemental metals magnesium reduction device of arranging by pumped vacuum systems 9 groupings in reduction zone 15 is finished its reduction process, by running gear 6 it is moved to out magnesium district 2, adopt the magnesium ring to deviate from equipment 7 and go out the magnesium operation, the magnesium ring of deviating from is transported to subsequent processing by continuous output machine structure 20, go out crystallizer 19 behind the magnesium in this district after 8 cleanings of crystallizer cleaning plant, send into loading area 4 and treat that next cycle uses; The elemental metals magnesium reduction device 5 that has gone out magnesium moves to the district 3 of slagging tap through running gear 6, go out slag operation by the waste residue tipping mechanism 10 that is installed on the running gear 6, the high temperature waste residue 11 that is come out by elemental metals magnesium reduction device 5 enters heat-exchange equipment 12, high temperature waste residue 11 is with closely-spaced, semi-continuous form impouring heat-exchange equipment 12, heat-exchange equipment 12 is squeezed into heat transferring medium 14 by working shaft 13, heat transferring medium is a water, the steam 15 that heat-exchange equipment 12 is produced, supply with the pumped vacuum systems 9 of reduction zone, to drive its vapour pump.Cooling waste residue 16 after heat exchange enters waste residue output mechanism 17, is transported to waste residue and focuses on a little; The back running gear 6 of slagging tap moves to loading area 4 with elemental metals magnesium reduction device 5 again, adopt quantitative loading device 18 to carry out loading operation, and the crystallizer 19 after the cleaning, the jar mouth of sealing metal magnesium reduction device are installed, and move to reduction zone 1 at last again, enter marshalling energising heating.The concrete structure of magnesium metal reduction apparatus 5 is a prior art, and structure is not described in detail.
A kind of magnesium metal reduction system comprises reduction zone 1, reduction zone 1 with go out magnesium district 2 and be communicated with, go out magnesium district 2 and be provided with the magnesium ring and deviate from equipment 7, crystallizer cleaning plant 8 and continuous conveying mechanism 20; Going out magnesium district 2 is communicated with the district 3 of slagging tap, the slag tap below of the heat-exchange equipment 12 of district in 3 is provided with waste residue output mechanism 17, the heat transferring medium import of heat-exchange equipment 12 and working shaft 13 are connected by pipeline, the vapour outlet of heat-exchange equipment 12 is connected with reduction zone 1 by steam pipeline, the district 3 of slagging tap is communicated with loading area 4, loading area 4 is provided with quantitative loading device 18, quantitatively loading device is connected with native system system ball production line outward, loading area 4 is communicated with reduction zone 1, magnesium metal reduction apparatus 5 in reduction zone 1, go out magnesium district 2, in slag tap district 3 and the loading area 4 continuously circulation move and move.
Adopt electrically heated magnesium metal reduction apparatus in the reduction zone, make all externally heating and finish reduction process under the adiabatic condition of each monomer reducing apparatus.Then by special mobile equipment with the monomer reducing apparatus move to out the magnesium district, slag tap district and loading area, finish successively in the mechanized operation process that it goes out magnesium, slags tap, the charging process, reenter the reduction zone and carry out the next round restoring operation.Particularly, also to finish the removal process of high temperature waste residue waste heat simultaneously in the described district of slagging tap.
Claims (16)
1. magnesium metal reduction process, it is characterized in that comprising the steps: after the elemental metals magnesium reduction device (5) that arrange by the pumped vacuum systems grouping reduction zone (1) is finished its reduction process, by running gear it is moved to out magnesium district (2), go out the magnesium operation; The elemental metals magnesium reduction device that has gone out magnesium is moved into the district (3) of slagging tap, and goes out slag operation; Move to loading area (4) after slagging tap again, carry out loading operation, move to the reduction zone at last again, enter marshalling energising heating.
2. a kind of magnesium metal reduction process according to claim 1, it is characterized in that the described high temperature waste residue (11) that slag operation is come out by elemental metals magnesium reduction device that goes out, enter heat-exchange equipment (12), cooling waste residue after heat exchange enters waste residue output mechanism (17), is transported to waste residue and focuses on a little.
3. a kind of magnesium metal reduction process according to claim 2 is characterized in that described heat-exchange equipment (12) squeezes into heat transferring medium (14) by working shaft (13).
4. a kind of magnesium metal reduction process according to claim 3 is characterized in that described heat transferring medium (14) is a water.
5. a kind of magnesium metal reduction process according to claim 3 is characterized in that the steam (15) that described heat-exchange equipment (12) is produced, and supplies with the pumped vacuum systems (9) of reduction zone (1), to drive its vapour pump.
6. a kind of magnesium metal reduction process according to claim 2 is characterized in that described high temperature waste residue (11) is with closely-spaced, impouring heat-exchange equipment (12) semi-continuously.
7. a kind of magnesium metal reduction process according to claim 1 is characterized in that described loading area (4) installs crystallizer (19), the jar of sealing metal magnesium reduction device mouthful.
8. a kind of magnesium metal reduction process according to claim 1, it is characterized in that describedly going out magnesium district (2) and adopting the magnesium ring to deviate from equipment (7) to go out the magnesium operation, the magnesium ring of deviating from is transported to subsequent processing by continuous output machine structure (20), go out crystallizer (19) behind the magnesium in this district after crystallizer cleaning plant (8) cleaning, send into loading area (4) and treat that next cycle uses.
9. magnesium metal reduction system, comprise reduction zone (1), it is characterized in that reduction zone (1) and go out magnesium district (2) and be communicated with, going out magnesium district (2) is communicated with the district (3) of slagging tap, the district (3) of slagging tap is communicated with loading area (4), loading area (4) is communicated with reduction zone (1), magnesium metal reduction apparatus (5) in reduction zone (1), go out magnesium district (2), in slag tap district (3) and the loading area (4) continuously circulation move operation.
10. a kind of magnesium metal reduction according to claim 9 system is characterized in that describedly going out magnesium district (2) and being provided with the magnesium ring and deviating from equipment (7) and continuous conveying mechanism (20), goes out magnesium district (2) and has crystallizer cleaning plant (8).
11. a kind of magnesium metal reduction according to claim 9 system, the below that it is characterized in that the heat-exchange equipment (12) in the described district (3) of slagging tap is provided with waste residue output mechanism (17), heat-exchange equipment (12) import is connected by pipeline with working shaft (13), and heat-exchange equipment (12) outlet is connected with reduction zone (1) by steam pipeline.
12. a kind of magnesium metal reduction according to claim 11 system is characterized in that the pumped vacuum systems (9) in described steam pipeline and reduction zone (1) is connected.
13. a kind of magnesium metal reduction according to claim 9 system is characterized in that described loading area (4) is provided with quantitative loading device (18).
14. a kind of magnesium metal reduction according to claim 13 system is characterized in that described quantitative loading device (18) is connected with the system ball production line.
15. a kind of magnesium metal reduction according to claim 9 system is characterized in that described magnesium metal reduction apparatus (5) is located on the running gear (6).
16. a kind of magnesium metal reduction according to claim 15 system is characterized in that described running gear (6) is provided with waste residue tipping mechanism (10), magnesium metal reduction apparatus (5) is located on the waste residue tipping mechanism (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810229431XA CN101748294B (en) | 2008-12-09 | 2008-12-09 | Metallic magnesium reduction process and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810229431XA CN101748294B (en) | 2008-12-09 | 2008-12-09 | Metallic magnesium reduction process and system |
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| Publication Number | Publication Date |
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| CN101748294A CN101748294A (en) | 2010-06-23 |
| CN101748294B true CN101748294B (en) | 2011-04-06 |
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| CN200810229431XA Expired - Fee Related CN101748294B (en) | 2008-12-09 | 2008-12-09 | Metallic magnesium reduction process and system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2332732Y (en) * | 1998-01-13 | 1999-08-11 | 胡文华 | Verticle reducing magnesium metallurgy plant |
| CN2625825Y (en) * | 2003-04-02 | 2004-07-14 | 孙建东 | Upright rotary reducing magnesium smelting furnace |
| CN201121205Y (en) * | 2007-11-06 | 2008-09-24 | 沈阳铝镁设计研究院 | Magnesium metal reduction apparatus |
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2008
- 2008-12-09 CN CN200810229431XA patent/CN101748294B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2332732Y (en) * | 1998-01-13 | 1999-08-11 | 胡文华 | Verticle reducing magnesium metallurgy plant |
| CN2625825Y (en) * | 2003-04-02 | 2004-07-14 | 孙建东 | Upright rotary reducing magnesium smelting furnace |
| CN201121205Y (en) * | 2007-11-06 | 2008-09-24 | 沈阳铝镁设计研究院 | Magnesium metal reduction apparatus |
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| CN101748294A (en) | 2010-06-23 |
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Owner name: SHENYANG ALUMINUM + MAGNESIUM ENGINEERING + RESEAR Free format text: FORMER NAME: SHENYANG ALUMINIUM AND MAGNESIUM DESIGN INST. |
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Address after: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee after: Shenyang Aluminum & Magnesium Engineering & Research Institute Co., Ltd. Address before: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee before: Shenyang Aluminium and Magnesium Design Institute |
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Granted publication date: 20110406 Termination date: 20201209 |