CN201842881U - Vacuum reduction equipment for directly producing magnesium from magnesite in one-step method - Google Patents
Vacuum reduction equipment for directly producing magnesium from magnesite in one-step method Download PDFInfo
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- CN201842881U CN201842881U CN2010205843909U CN201020584390U CN201842881U CN 201842881 U CN201842881 U CN 201842881U CN 2010205843909 U CN2010205843909 U CN 2010205843909U CN 201020584390 U CN201020584390 U CN 201020584390U CN 201842881 U CN201842881 U CN 201842881U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model belongs to the technical field of producing magnesium from magnesite, particularly relates to vacuum reduction equipment for directly producing magnesium from magnesite in a one-step method, which is integral equipment that refines metallic magnesium via vacuum reduction, consists of a furnace burden storage and conveying device, a vacuum isolation and sealing feeding device, an internal thermal vacuum reduction furnace, an electrode movable sealing device, a steam outlet, a dry-type metallic magnesium receiving device, continuous refining and casting equipment, a filter bag recovery plant, a gas recycling device, a slag discharge sealing device, a magnesite calcination device and a magnesite crushing sieve, and takes the internal thermal vacuum reduction furnace as the center. Smelting reduction reaction is carried out in a sealing three-phase furnace, the capacity and heat utilization rates are improved, the production environment is improved, the labor intensity of workers is relieved, valuable alloys and energy are greatly saved, and the cost is lowered; and the operation is carried out in a vacuum closed reaction environment, air of the operation field is thoroughly cleaned, the reduction is not carried in a vacuum vessel, so a basic method for changing the environment is provided.
Description
Technical field
The utility model belongs to giobertite refining magnesium technical field, particularly relates to the vacuum reducing equipment that a kind of giobertite single stage method is directly refined magnesium.
Background technology
At present; the output of magnesium smelting industry more than 80% that the production of magnesium by pidgeonprocess technical support; but it is big with energy consumption again, production capacity is little, seriously polluted, the three wastes (waste water, waste residue, waste gas) quantity discharged big and be celebrated; incompatible with the environment protection energy-saving and emission-reduction; suffer the resistance of society and country, the smelting that wants to develop magnesium is inconvenient by Pidgeon process.
With the giobertite is the electrolytic process extraction of metal magnesium of raw material, though can change the line of production of giobertite, rate of profit is more or less the same, pollution to environment does not have change to add the chlorine murder by poisoning again, the investment of founding the factory is big, and floor space is big, complex process, makes us hanging back.
The hot method of charcoal in the method for smelting magnesium by hot is to be that raw material, refinery coke are that reductive agent, pitch are tackiness agent with the calcined magnesite, through fine grinding, mixing, the back retailoring in three-phawse arc furnace of pressure group, magnesium oxide is by carbon reduction, Mg steam that obtains and CO mix and are present in the gas phase, rapidly gaseous product is cooled to below 200 ℃, magnesium vapor and CO together enter after cooling in the mixing water cooler, the sedimentation, obtain the magnesium powder through the bag filter filtration, this magnesium powder contains the MgO of 50% MAGNESIUM METAL, 20%C and 30%, and its granularity is 0.1～0.6 m.The magnesium powder is pressed into the agglomerate retort distillation that distils of packing into, the crystallization magnesium that obtains like this can obtain the commodity magnesium ingot again after fusing, refining again.But, factors such as operation long, energy consumption big, cost height loaded down with trivial details because of its technology are not used widely.
Find out a new way and come processing magnesite stone, the product profit height, free from environmental pollution again, this is the problem that people are exploring.
Summary of the invention
The purpose of this utility model provides the vacuum reducing equipment that a kind of giobertite single stage method is directly refined magnesium, in the three-phase furnace of sealing, carry out fusion reduction reaction, the solid phase container reduction reaction of vacuum in the outer heating that replacement is carried out in the reduction jar, save a large amount of valuable alloys and the energy simultaneously, reduced cost; Vacuum-tight operation has purified the air of operation site up hill and dale, has changed the reduction epoch in the vacuum vessel up hill and dale, and this is the basic means that change environment.
The purpose of this utility model realizes by following technical proposals.
Giobertite single stage method of the present utility model is directly refined the vacuum reducing equipment of magnesium, it is characterized in that by the furnace charge storing and conveying device, the vacuum insulation sealing charging device that is connected of furnace charge storing and conveying device therewith, vacuum insulation seals the internal heat type vacuum reducing stove that charging device is connected therewith, be located at the electrode moving sealing device on this internal heat type vacuum reducing stove furnace roof, the dry type MAGNESIUM METAL receiving trap that is connected of the vapor outlet port of internal heat type vacuum reducing stove therewith, the continuous refining smelting-casting equipment that is connected of dry type MAGNESIUM METAL receiving trap therewith respectively, filtering bag recovering apparatus, the combustion gas recycle device that is connected of filtering bag recovering apparatus therewith, the slag dumping tightness system that is connected of the slag notch of internal heat type vacuum reducing stove therewith, the giobertite roasting assembly that is connected with described vacuum insulation sealing charging device, the giobertite crushing and screening that is connected of giobertite roasting assembly promotes that to form with internal heat type vacuum reducing stove be the equipment of vacuum reducing extracting metals magnesium of the coherent one at center therewith.
Described internal heat type vacuum reducing stove is by the steel construction shell, be located at and build the body of heater of the internal heat type three-phase reduction furnace of Long Circle sealing by laying bricks or stones with refractory brick in this steel construction shell, be located at the intravital midfeather of this stove, this midfeather is divided into two portions to body of heater, a part is a preheating cavity, three batching hole flange seats are arranged in the loam cake of this preheating cavity, the downside of this preheating cavity has three furnace charge thruster open holes seats, another part is the reduction reaction chamber, the last top bell in this reduction reaction chamber is provided with a magnesium vapor discharge flange seat and electrode patchhole flange seat, and the downside in this reduction reaction chamber has a sealing slag unloading device.Here Graphite Electrodes inserts from the electrode patchhole flange seat and the electrode moving sealing device of loam cake, starting the arc heating and melting is heated to furnace charge more than 1850 degree in the molten bath, after reduzate magnesium vapor and carbon monoxide and dust overflow the top of the slag, because speed of evacuation control is proper, dust rolls back in the slag under constantly in the reduction reaction chamber, again be melted, reduction, slag making, have only magnesium vapor and carbon monoxide through magnesium vapor discharge flange seat, be drawn into the magnesium vapor disengagement chamber.The reduction reaction chamber is built by laying bricks or stones by refractory brick, and volume can enlarge, and it has replaced heat-resisting alloy steel reduction jar, has not only reduced cost and has prolonged the life-span again, for continuous production lays the foundation.The problem that molten state has solved furnace charge must fine grinding, the system ball could solve.
One cover is new, need not water-cooled dry type MAGNESIUM METAL receptor by magnesium vapor at high temperature with gas delivery such as carbon monoxide and be condensed into liquid or crystallization magnesium,
Be provided with dry type MAGNESIUM METAL receptor in the described dry type MAGNESIUM METAL receiving trap, this dry type MAGNESIUM METAL receptor comprises: reaction gas inlet, the cooling stave that is connected of reaction gas inlet therewith, one group of prolong being connected of cooling stave therewith respectively, cryogen tank, plunger, the plunger seal that is connected of plunger therewith, be located at the magnesium vapor disengagement chamber between the prolong, the linkage section and the flange that are connected of cooling stave therewith, the crystallizer that is connected of linkage section and flange therewith, this crystallizer comprises cooling cylinder, the vacuum-pumping pipeline that is connected of the cooling cylinder crystallizer that is connected of vacuum-pumping pipeline therewith therewith, the crystallizer coolant circulation device that is connected of crystallizer therewith, with drain port under the magnesium liquid that the downside of described cooling stave is connected, the magnesium liquid that drain port is connected under the magnesium liquid is therewith built up jar, be located at this magnesium liquid and build up the magnesium liquid outlet pipe of jar side bottom, magnesium liquid is built up the disengagement chamber coolant circulation device that jar is connected therewith
Described dry type magnesium vapor coolant circulation device comprises: reinforced expansion trunk, the last manifold trunk that reinforced therewith expansion trunk is connected, go up the magnesium vapor disengagement chamber upflow tube that manifold trunk is connected respectively therewith, the decline cooling tube, this magnesium vapor disengagement chamber upflow tube and described prolong, cryogen tank, magnesium liquid is built up jar and is connected successively, magnesium liquid is built up the magnesium vapor disengagement chamber return line that jar is connected therewith, the following manifold trunk that is connected of magnesium vapor disengagement chamber return line therewith, the cooling cylinder upflow tube that is connected with described magnesium vapor disengagement chamber upflow tube, the crystallizer cooling cylinder that is connected of cooling cylinder upflow tube therewith, the cooling cylinder return line that is connected of crystallizer cooling cylinder therewith
Described continuous refining furnace comprises the refining furnace body of heater, be located at the intravital refining furnace inner bag of this refining furnace, pass this refining furnace body of heater, enter the liquid crude magnesium inflow pipe in the refining furnace inner bag, be located at four agitators in this refining furnace inner bag, four four stirring-type well heaters that agitator is connected therewith respectively, be located at the crystallization magnesium input pipe in centre in this refining furnace inner bag, crystallization magnesium drops into the spiral scum pipe that pipe is connected therewith, be located at the division board of a side in this refining furnace inner bag, be located at the refining furnace plunger that the inlet of the smart therewith magnesium outlet pipe of smart magnesium outlet pipe of this refining furnace body of heater bottom matches, the insulating covering agent hopper that the exit end of smart therewith magnesium outlet pipe is connected, constructional feature: one: four agitator, four stirring heating devices, crystallization magnesium input pipe, the spiral scum pipe can vertically move; Two: four agitators can be respectively around four well heater rotations; Help like this in the refining furnace temperature evenly, uniform ingredients, slagging-off be even.
Can accept magnesium liquid automatically and build up the crude magnesium liquid that jar is emitted, carry out continuous refining within it, and can directly be poured onto smart magnesium liquid and cast the commodity magnesium ingot on the ingot casting.
Described and slag dumping tightness system internal heat type vacuum reducing stove disjunctor is arranged in the downside in reduction furnace reduction reaction chamber, by slag trap, be located at the slag trap lid on this slag trap top, pass the overflow weir plunger of this slag trap lid, match in the upper end of overflow weir plunger therewith is located at overflow weir plunger seal sheath in this slag trap lid, match in the lower end of overflow weir plunger therewith, be located at the reaction slag overflow weir of this slag trap bottom, react the slag dumping passage that the slag overflow weir is connected therewith, be located at the residue hole brick that residue portals that is provided with of this slag dumping passage one end, be located at the reaction cinder hole brick that the reaction slag portals that is provided with of this slag trap side bottom, be located at the slag detecting liquid level bar in the described slag trap lid, ventpipe and T-valve are located at the portal residue bucket of downside of described residue and form.
Described a whole set of electrode moving sealing device is by the seal closure joist, the dihedral isolating seal cover of frame on this seal closure joist, sealed water jacket, be located at the external fixation water jacket that this sealed water jacket upside is equipped with, the parallel last sealing-ring that is located in this sealed water jacket, lower seal, be located at sealing-ring on this, vacuum ring between the lower seal, what be located at described external fixation water jacket upside makes the slip cap that is slidingly connected with Graphite Electrodes, the insulation clamping wedge that is connected with Graphite Electrodes respectively, the electrode seal cap, Graphite Electrodes anchor clamps overcoat, the mains isolation socket, whole insulating brick is closed, the cool structural modification of water of external fixation water jacket and slip cap Graphite Electrodes anchor clamps hot operation state, utilize the vacuum ring to extract the air that infiltrates from the outside in time out, thus the sealing when having guaranteed that Graphite Electrodes moves up and down; Insulation when using the energising of assurance Graphite Electrodes again and the sealing between Graphite Electrodes and the slip cap;
Calcination process of the present utility model has following singularity:
1) giobertite is broken into 10～2mm small-particle and sift out powder to carry out calcining and decomposing reaction fast;
2) heat of calcined magnesite stone is provided after treatment by the waste gas that this cover reduction operation produces,
3) calcine the magnesia unslacked that obtains and to drop into the charge preheating section while hot without cooling, discharge wherein and directly be pushed into the reduction reaction chamber behind the gas.Organically all devices is fused, finish the airtight equipment of a cover from being dosed into the magnesium ingot output, produce continuous and automatic: feed in raw material, go out operations such as magnesium, slag dumping, traveling electrode and all realized sealing, mechanize successive production sequence replaces being interrupted periodically manual operations, plant factor and heat energy utilization rate have been improved, improve production environment, alleviated labor strength; Realized and attainments environmental protection production.
Advantage of the present utility model:
1) simplified technical process: saved technical process such as calcining, fine grinding, mixing, pressure ball, need only be broken into selected giobertite 10～2mm and pitch coke etc. and be broken into the following particle of 0.5～2.5 ㎜, directly throw stove, just can in vacuum high-temperature, finish preheating, reduction fast, production link and operator have been reduced, reduce energy consumption and corresponding expense, reduced production cost.
2) owing to simplified technical process, only build once cover reduction, refining unit and can produce MAGNESIUM METAL, reduced occupation of land, saved investment.
3) use giobertite to be reductive agent as raw material and pitch coke, solid residue only has the residue 6～5% of production of magnesium by pidgeonprocess, and emission reduction effect is remarkable.
4) pitch coke is that reductive agent replaces making reductive agent with sial or ferrosilicon, for society economizes the energy and for this enterprise reduces cost, increased benefit.
5) this complete equipment has been realized automatization, continuous production, and having started with giobertite is that raw material and coke are the refining magnesium novel method of reductive agent, makes that the refinement of MAGNESIUM METAL enters that output is big, energy-conservation, the New Times ` of low consumption, reduction of discharging environmental protection.
6) opened up a new production approach for the development and use of giobertite with high-tech added value.
7) this complete equipment is an internal heat type, and the collection reduction is the reduction apparatus of one with preheating, and liquid magnesium is emitted the back directly into refining furnace, obtains 99.9% clean metal magnesium after the refining, saves heating energy source.
8) with the skin river formula reduction furnace of the outer normal pressure heating of vacuum in the internal heat type three-phase reduction furnace replacement of Long Circle sealing, save the energy, saved high alloy reduction jar, improved output, reduced cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a dry type MAGNESIUM METAL receiving trap structural representation of the present utility model.
Fig. 3 is a continuous refining furnace structural representation of the present utility model.
Fig. 4 is a sealing slag unloading device structural representation of the present utility model.
Fig. 5 is a reduction furnace body structure synoptic diagram of the present utility model.
Fig. 6 is an electrode seals structural representation of the present utility model.
Fig. 7 is a magnesium vapor cooling-cycle device structural representation of the present utility model.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
As shown in Figure 1, giobertite single stage method of the present utility model is directly refined the vacuum reducing equipment of magnesium, it is characterized in that by furnace charge storing and conveying device 01-01, the vacuum insulation sealing charging device 01-02 that is connected of furnace charge storing and conveying device 01-01 therewith, vacuum insulation seals the internal heat type vacuum reducing stove 01-03 that charging device is connected therewith, be located at the electrode moving sealing device 01-04 on this internal heat type vacuum reducing stove 01-03 furnace roof, the dry type MAGNESIUM METAL receiving trap 01-05 that is connected of the vapor outlet port of internal heat type vacuum reducing stove 01-03 therewith, the continuous refining smelting-casting equipment 01-06 that is connected of dry type MAGNESIUM METAL receiving trap 01-05 therewith respectively, filtering bag recovering apparatus 01-07, the combustion gas recycle device 01-08 that is connected of filtering bag recovering apparatus 01-07 therewith, the slag dumping tightness system 01-09 that is connected of the slag notch of internal heat type vacuum reducing stove 01-03 therewith, the giobertite roasting assembly 01-11 that is connected with described vacuum insulation sealing charging device 01-02, to promote that 01-10 forms with internal heat type vacuum reducing stove 01-03 be the equipment of vacuum reducing extracting metals magnesium of the coherent one at center to the giobertite crushing and screening that is connected of giobertite roasting assembly 01-11 therewith.
As shown in Figure 5, described internal heat type vacuum reducing stove 01-03 is by the steel construction shell, be located at and build the body of heater 05-01 of the internal heat type three-phase reduction furnace of Long Circle sealing by laying bricks or stones with refractory brick in this steel construction shell, be located at the intravital midfeather 05-02 of this stove, this midfeather 05-02 is divided into two portions to body of heater, a part is preheating cavity 05-04, three batching hole flange seat 05-08 are arranged in the loam cake of this preheating cavity 05-04, the downside of this preheating cavity 05-04 has three furnace charge thruster open holes seat 05-09, another part is reduction reaction chamber 05-03, the last top bell of this reduction reaction chamber 05-03 is provided with a magnesium vapor discharge flange seat 05-06 and electrode patchhole flange seat 05-07, the downside of this reduction reaction chamber 05-03 has a sealing slag unloading device 01-09
Here Graphite Electrodes inserts from the electrode patchhole flange seat 05-07 and the electrode moving sealing device 01-04 of loam cake, starting the arc heating and melting is heated to furnace charge more than 1850 degree in the molten bath, after reduzate magnesium vapor and carbon monoxide and dust overflow the top of the slag, because speed of evacuation control is proper, dust rolls back in the slag under constantly in the 05-03 of reduction reaction chamber, again be melted, reduction, slag making, have only magnesium vapor and carbon monoxide through magnesium vapor discharge flange seat 05-06, be drawn into magnesium vapor disengagement chamber 02-07.Reduction reaction chamber 05-03 is built by laying bricks or stones by refractory brick, and volume can enlarge, and it has replaced heat-resisting alloy steel reduction jar, has not only reduced cost and has prolonged the life-span again, for continuous production lays the foundation.The problem that molten state has solved furnace charge must fine grinding, the system ball could solve.
As shown in Figure 2, be provided with dry type MAGNESIUM METAL receptor among the described dry type MAGNESIUM METAL receiving trap 01-05, this dry type MAGNESIUM METAL receptor comprises: reaction gas inlet 02-01, the cooling stave 02-02 that is connected of reaction gas inlet 02-01 therewith, one group of prolong 02-03 being connected of cooling stave therewith respectively, cryogen tank 02-04, plunger 02-05, the plunger seal 02-06 that is connected of plunger 02-05 therewith, be located at the magnesium vapor disengagement chamber 02-07 between the prolong, the linkage section and the flange 02-08 that are connected of cooling stave therewith, the crystallizer that is connected of linkage section and flange 02-08 therewith, this crystallizer comprises cooling cylinder 02-09, the vacuum-pumping pipeline 02-10 that is connected of the cooling cylinder 02-09 crystallizer 02-11 that is connected of vacuum-pumping pipeline 02-10 therewith therewith, the crystallizer coolant circulation device 02-12 that is connected of crystallizer 02-11 therewith, with drain port 02-13 under the magnesium liquid that the downside of described cooling stave is connected, the magnesium liquid that drain port 02-13 is connected under the magnesium liquid is therewith built up a jar 02-14, be located at this magnesium liquid and build up jar magnesium liquid outlet pipe 02-15 of 02-14 side bottom, magnesium liquid is built up the disengagement chamber coolant circulation device 02-16 that jar 02-14 is connected therewith.
As shown in Figure 7, described dry type magnesium vapor coolant circulation device 02-12 and 02-16 comprise: reinforced expansion trunk 07-01, the last manifold trunk 07-03 that reinforced therewith expansion trunk 07-01 is connected, go up the magnesium vapor disengagement chamber upflow tube 07-02 that manifold trunk 07-03 is connected respectively therewith, decline cooling tube 07-04, this magnesium vapor disengagement chamber upflow tube 07-02 and described prolong 02-03, cryogen tank 02-04, magnesium liquid is built up a jar 02-14 and is connected successively, magnesium liquid is built up the magnesium vapor disengagement chamber return line 07-05 that jar 02-14 is connected therewith, the following manifold trunk 07-06 that is connected of magnesium vapor disengagement chamber return line 07-05 therewith, the cooling cylinder upflow tube 07-07 that is connected with described magnesium vapor disengagement chamber upflow tube 07-02, the crystallizer cooling cylinder 07-08 that is connected of cooling cylinder upflow tube 07-07 therewith, the cooling cylinder return line 07-09 that is connected of crystallizer cooling cylinder 07-08 therewith.
As shown in Figure 3, described continuous refining furnace 01-06 comprises refining furnace body of heater 03-02, be located at the refining furnace inner bag 03-03 in this refining furnace body of heater 03-02, pass this refining furnace body of heater 03-02, enter the liquid crude magnesium inflow pipe 03-01 in the refining furnace inner bag 03-03, be located at four agitator 03-04 in this refining furnace inner bag 03-03, four four stirring-type well heater 03-05 that agitator 03-04 is connected therewith respectively, be located at the crystallization magnesium input pipe 03-06 in centre in this refining furnace inner bag 03-03, the spiral scum pipe 03-07 that is connected of crystallization magnesium input pipe 03-06 therewith, be located at the division board 03-08 of a side in this refining furnace inner bag 03-03, be located at the refining furnace plunger 03-09 that the inlet of the smart therewith magnesium outlet pipe of the smart magnesium outlet pipe 03-10 03-10 of this refining furnace body of heater 03-02 bottom matches, the insulating covering agent hopper 03-11 that the exit end of smart therewith magnesium outlet pipe 03-10 is connected.
Constructional feature of the present utility model: four agitator 03-04, four stirring heating device 03-05, crystallization magnesium input pipe 03-06, spiral scum pipe 03-07 can vertically move; Four agitator 03-04 can be respectively around four well heater 03-05 rotations; Help like this in the refining furnace temperature evenly, uniform ingredients, slagging-off be even; Can accept magnesium liquid automatically and build up the crude magnesium liquid that jar 02-14 emits, carry out continuous refining within it, and can directly be poured onto smart magnesium liquid and cast the commodity magnesium ingot on the ingot casting.
As shown in Figure 4, described and slag dumping tightness system 01-09 internal heat type vacuum reducing stove 01-03 disjunctor is arranged in the downside of reduction furnace reduction reaction chamber 05-03, by slag trap 04-05, be located at the slag trap lid 04-09 on this slag trap 04-05 top, pass the overflow weir plunger 04-08 of this slag trap lid 04-09, match in the upper end of overflow weir plunger 04-08 therewith is located at overflow weir plunger seal sheath 04-10 among this slag trap lid 04-09, match in the lower end of overflow weir plunger 04-08 therewith, be located at the reaction slag overflow weir 04-02 of this slag trap 04-05 bottom, react the slag dumping passage 04-01 that slag overflow weir 04-02 is connected therewith, what be located at this slag dumping passage 04-01 one end is provided with the portal residue hole brick 04-06 of 04-03 of residue, what be located at this slag trap side bottom is provided with the portal reaction cinder hole brick 04-07 of 04-04 of reaction slag, be located at the slag detecting liquid level bar 04-12 among the described slag trap lid 04-09, ventpipe and T-valve 04-11 are located at the portal residue bucket 04-13 of 04-03 downside of described residue and form.
As shown in Figure 6, described a whole set of electrode moving sealing device 01-04 is by seal closure joist 06-01, the dihedral isolating seal cover 06-02 of frame on this seal closure joist 06-01, sealed water jacket 06-03, be located at the external fixation water jacket 06-05 that this sealed water jacket 06-03 upside is equipped with, the parallel last sealing-ring 06-06 that is located in this sealed water jacket 06-03, lower seal 06-04, be located at sealing-ring 06-06 on this, vacuum ring 06-07 between the lower seal 06-04, what be located at described external fixation water jacket 06-05 upside makes the slip cap 06-08 that is slidingly connected with Graphite Electrodes 06-12, the insulation clamping wedge 06-11 that is connected with Graphite Electrodes 06-12 respectively, electrode seal cap 06-13, Graphite Electrodes anchor clamps overcoat 06-09, mains isolation socket 06-10, whole insulating brick is closed, the cool structural modification of water of external fixation water jacket 06-05 and slip cap 06-08 Graphite Electrodes anchor clamps hot operation state, utilize vacuum ring 06-07 to extract the air that infiltrates from the outside in time out, thus the sealing when having guaranteed that Graphite Electrodes moves up and down; Insulation when using assurance Graphite Electrodes 06-12 energising again and the sealing between Graphite Electrodes 06-12 and the slip cap 06-08.
Embodiment
1, builds body of heater by laying bricks or stones: at first in stove outer covering, build body of heater 05-01, midfeather 05-02, pusher groove, slag trap 04-06 by laying bricks or stones; Correspondence position is put the residue bucket well outside stove, building simultaneously the bell lining in bell by laying bricks or stones will build the insulating refractory of electrode patchhole, magnesium vapor outlet liner, dog-house liner earlier by laying bricks or stones, also use refractory brick they asphyxias by external pressure on the chest and abdomen, both seasoninies, just can lump together after will be fully dried, compressing after interface will seal toasts more than 24 hours through slow fire again, about the baker to 1200 of could switching on degree, have a power failure and install.
2, supporting setting is installed successively:
1) three furnace charge thrusters and seal closure are installed, seal closure is fixed on the furnace charge thruster open holes seat 05-09.
2) the preheating storehouse of magnesia unslacked, reductive agent and fusing assistant in the installation stove, the three is inserted and secured on the flange from batching hole flange seat 05-08, uses linkage section above, is connected with the vacuum insulation charging device.
3) vacuum insulation charging device frame has three bucket of getting the raw materials ready topmost on support.
4) fixed electorde moving sealing device 01-04 on electrode patchhole flange seat 05-07, erect the column of rise fall of electrodes in the side of stove, and column is connected and fixed with seal closure joist 06-01, dihedral isolating seal cover 06-02 is held up, again one section one section of Graphite Electrodes is coupled together and insert in the reduction reaction chamber 05-03 by electrode moving sealing device 01-04, Graphite Electrodes anchor clamps overcoat 06-09 is connected with hoistway through lifting arm, and drives slip cap 06-08 together along the hoistway lifting.
5) magnesium vapor disengagement chamber 02-07 front end docks with magnesium vapor discharge flange seat 05-06, the rear end be crystallizer cooling cylinder 02-09 and with change mould assembly and link to each other, join through filtering bag recovering apparatus 01-07 and vacuum unit again, a drain port 02-13 and magnesium liquid accumulation jar 02-14 joins under the following liquid magnesium, on support of both framves, magnesium liquid outlet pipe 02-15 is to just at the liquid crude magnesium inflow pipe 03-01 of continuous refining furnace.The pig moulding machine afterbody is arranged in continuous refining furnace 01-06 inferoanterior and continuous refining furnace 01-06 meets at right angles, and medullary ray is aimed at smart magnesium outlet pipe 03-10.
6) computer of everywhere material level probe, temp probe, vacuum tightness probe and control center is connected, but reach operational degree at any time.The schedule of operation of each operation is pressed the control flow chart remote monitoring by computer, (mobile, the magnesium liquid of each switch of charging device, electrode built up jar 02-14 and continuous refining furnace 01-06 liquid level, sealed the slag trap 04-05 top of the slag height of slag dumping etc.).
7) settle calcining revolution cellar for storing things and is connected gas pipeline, the small-particle giobertite is packed in the revolution cellar for storing things, calcine the magnesia unslacked that obtains and add reduction furnace while hot with lift.
Claims (7)
1. a giobertite single stage method is directly refined the vacuum reducing equipment of magnesium, it is characterized in that by the furnace charge storing and conveying device, the vacuum insulation sealing charging device that is connected of furnace charge storing and conveying device therewith, vacuum insulation seals the internal heat type vacuum reducing stove that charging device is connected therewith, be located at the electrode moving sealing device on this internal heat type vacuum reducing stove furnace roof, the dry type MAGNESIUM METAL receiving trap that is connected of the vapor outlet port of internal heat type vacuum reducing stove therewith, the continuous refining smelting-casting equipment that is connected of dry type MAGNESIUM METAL receiving trap therewith respectively, filtering bag recovering apparatus, the combustion gas recycle device that is connected of filtering bag recovering apparatus therewith, the slag dumping tightness system that is connected of the slag notch of internal heat type vacuum reducing stove therewith, the giobertite roasting assembly that is connected with described vacuum insulation sealing charging device, the giobertite crushing and screening that is connected of giobertite roasting assembly promotes that to form with internal heat type vacuum reducing stove be the equipment of vacuum reducing extracting metals magnesium of the coherent one at center therewith.
2. giobertite single stage method according to claim 1 is directly refined the vacuum reducing equipment of magnesium, it is characterized in that described internal heat type vacuum reducing stove is by the steel construction shell, be located at and build the body of heater of the internal heat type three-phase reduction furnace of Long Circle sealing by laying bricks or stones with refractory brick in this steel construction shell, be located at the intravital midfeather of this stove, this midfeather is divided into two portions to body of heater, a part is a preheating cavity, three batching hole flange seats are arranged in the loam cake of this preheating cavity, the downside of this preheating cavity has three furnace charge thruster open holes seats, another part is the reduction reaction chamber, the last top bell in this reduction reaction chamber is provided with a magnesium vapor discharge flange seat and electrode patchhole flange seat, and the downside in this reduction reaction chamber has a sealing slag unloading device.
3. giobertite single stage method according to claim 1 is directly refined the vacuum reducing equipment of magnesium, it is characterized in that being provided with dry type MAGNESIUM METAL receptor in the described dry type MAGNESIUM METAL receiving trap, this dry type MAGNESIUM METAL receptor comprises: reaction gas inlet, the cooling stave that is connected of reaction gas inlet therewith, one group of prolong being connected of cooling stave therewith respectively, cryogen tank, plunger, the plunger seal that is connected of plunger therewith, be located at the magnesium vapor disengagement chamber between the prolong, the linkage section and the flange that are connected of cooling stave therewith, the crystallizer that is connected of linkage section and flange therewith, this crystallizer comprises cooling cylinder, the vacuum-pumping pipeline that is connected of the cooling cylinder crystallizer that is connected of vacuum-pumping pipeline therewith therewith, the crystallizer coolant circulation device that is connected of crystallizer therewith, with drain port under the magnesium liquid that the downside of described cooling stave is connected, the magnesium liquid that drain port is connected under the magnesium liquid is therewith built up jar, be located at this magnesium liquid and build up the magnesium liquid outlet pipe of jar side bottom, magnesium liquid is built up the disengagement chamber coolant circulation device that jar is connected therewith.
4. giobertite single stage method according to claim 1 is directly refined the vacuum reducing equipment of magnesium, it is characterized in that described dry type magnesium vapor coolant circulation device comprises reinforced expansion trunk, the last manifold trunk that reinforced therewith expansion trunk is connected, go up the magnesium vapor disengagement chamber upflow tube that manifold trunk is connected respectively therewith, the decline cooling tube, this magnesium vapor disengagement chamber upflow tube and described prolong, cryogen tank, magnesium liquid is built up jar and is connected successively, magnesium liquid is built up the magnesium vapor disengagement chamber return line that jar is connected therewith, the following manifold trunk that is connected of magnesium vapor disengagement chamber return line therewith, the cooling cylinder upflow tube that is connected with described magnesium vapor disengagement chamber upflow tube, the crystallizer cooling cylinder that is connected of cooling cylinder upflow tube therewith, the cooling cylinder return line that is connected of crystallizer cooling cylinder therewith.
5. giobertite single stage method according to claim 1 is directly refined the vacuum reducing equipment of magnesium, it is characterized in that described continuous refining furnace comprises the refining furnace body of heater, be located at the intravital refining furnace inner bag of this refining furnace, pass this refining furnace body of heater, enter the liquid crude magnesium inflow pipe in the refining furnace inner bag, be located at four agitators in this refining furnace inner bag, four four stirring-type well heaters that agitator is connected therewith respectively, be located at the crystallization magnesium input pipe in centre in this refining furnace inner bag, crystallization magnesium drops into the spiral scum pipe that pipe is connected therewith, be located at the division board of a side in this refining furnace inner bag, be located at the refining furnace plunger that the inlet of the smart therewith magnesium outlet pipe of smart magnesium outlet pipe of this refining furnace body of heater bottom matches, the insulating covering agent hopper that the exit end of smart therewith magnesium outlet pipe is connected.
6. giobertite single stage method according to claim 1 is directly refined the vacuum reducing equipment of magnesium, it is characterized in that described and slag dumping tightness system internal heat type vacuum reducing stove disjunctor is arranged in the downside in reduction furnace reduction reaction chamber, by slag trap, be located at the slag trap lid on this slag trap top, pass the overflow weir plunger of this slag trap lid, match in the upper end of overflow weir plunger therewith is located at overflow weir plunger seal sheath in this slag trap lid, match in the lower end of overflow weir plunger therewith, be located at the reaction slag overflow weir of this slag trap bottom, react the slag dumping passage that the slag overflow weir is connected therewith, be located at the residue hole brick that residue portals that is provided with of this slag dumping passage one end, be located at the reaction cinder hole brick that the reaction slag portals that is provided with of this slag trap side bottom, be located at the slag detecting liquid level bar in the described slag trap lid, ventpipe and T-valve are located at the portal residue bucket of downside of described residue and form.
7. giobertite single stage method according to claim 1 is directly refined the vacuum reducing equipment of magnesium, it is characterized in that described a whole set of electrode moving sealing device is by the seal closure joist, the dihedral isolating seal cover of frame on this seal closure joist, sealed water jacket, be located at the external fixation water jacket that this sealed water jacket upside is equipped with, the parallel last sealing-ring that is located in this sealed water jacket, lower seal, be located at sealing-ring on this, vacuum ring between the lower seal, what be located at described external fixation water jacket upside makes the slip cap that is slidingly connected, the insulation clamping wedge that is connected with Graphite Electrodes respectively with Graphite Electrodes, the electrode seal cap, Graphite Electrodes anchor clamps overcoat, the mains isolation socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205843909U CN201842881U (en) | 2010-10-29 | 2010-10-29 | Vacuum reduction equipment for directly producing magnesium from magnesite in one-step method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205843909U CN201842881U (en) | 2010-10-29 | 2010-10-29 | Vacuum reduction equipment for directly producing magnesium from magnesite in one-step method |
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| CN201842881U true CN201842881U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205843909U Expired - Fee Related CN201842881U (en) | 2010-10-29 | 2010-10-29 | Vacuum reduction equipment for directly producing magnesium from magnesite in one-step method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767944A (en) * | 2012-06-26 | 2012-11-07 | 长兴鼎力窑炉设备厂 | Mixed hydrogen reduction furnace and use method thereof |
| CN109576506A (en) * | 2019-01-30 | 2019-04-05 | 遵义钛业股份有限公司 | It is automatically drained out and the obturator of pneumatic stirring for magnesium slag in magnesium refining production |
| CN111270088A (en) * | 2020-02-10 | 2020-06-12 | 中国恩菲工程技术有限公司 | System and method for continuously smelting magnesium by induction heating liquid stirring |
| CN113737019A (en) * | 2021-08-25 | 2021-12-03 | 西安交通大学 | Method and device for continuously extracting crystallized magnesium in Pidgeon magnesium smelting process at high temperature |
| CN114790515A (en) * | 2021-01-25 | 2022-07-26 | 国科镁业科技(河南)有限公司 | Vertical metal purification furnace and preparation method of high-purity magnesium thereof |
-
2010
- 2010-10-29 CN CN2010205843909U patent/CN201842881U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767944A (en) * | 2012-06-26 | 2012-11-07 | 长兴鼎力窑炉设备厂 | Mixed hydrogen reduction furnace and use method thereof |
| CN109576506A (en) * | 2019-01-30 | 2019-04-05 | 遵义钛业股份有限公司 | It is automatically drained out and the obturator of pneumatic stirring for magnesium slag in magnesium refining production |
| CN111270088A (en) * | 2020-02-10 | 2020-06-12 | 中国恩菲工程技术有限公司 | System and method for continuously smelting magnesium by induction heating liquid stirring |
| CN111270088B (en) * | 2020-02-10 | 2023-10-13 | 中国恩菲工程技术有限公司 | System and method for continuously smelting magnesium by liquid stirring through induction heating |
| CN114790515A (en) * | 2021-01-25 | 2022-07-26 | 国科镁业科技(河南)有限公司 | Vertical metal purification furnace and preparation method of high-purity magnesium thereof |
| CN113737019A (en) * | 2021-08-25 | 2021-12-03 | 西安交通大学 | Method and device for continuously extracting crystallized magnesium in Pidgeon magnesium smelting process at high temperature |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110525 Termination date: 20111029 |