CN106702157A - Reduction treatment method and reduction treatment furnace for metal ore - Google Patents
Reduction treatment method and reduction treatment furnace for metal ore Download PDFInfo
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- CN106702157A CN106702157A CN201510462863.5A CN201510462863A CN106702157A CN 106702157 A CN106702157 A CN 106702157A CN 201510462863 A CN201510462863 A CN 201510462863A CN 106702157 A CN106702157 A CN 106702157A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
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Abstract
The invention discloses a reduction treatment method and reduction treatment furnace for metal ore, belonging to the technical field metallurgy. The reduction treatment method for metal ore is implemented in the reduction treatment furnace with an upper metal ore inlet and a lower metal ore outlet. The reduction treatment furnace for metal ore is provided with a reducing gas outlet at a position located between the metal ore inlet and the metal ore outlet; a combustion-supporting gas outlet is arranged between the metal ore inlet and the reducing gas outlet; reducing gas is output from the reducing gas outlet and reacts with metal ore in a reducing zone; and combustion-supporting gas is input from the combustion-supporting gas outlet and supports combustion so as to realize preheating of metal ore in a preheating zone. The reduction treatment method and reduction treatment furnace for metal ore in the invention can be used for treating iron ore, manganese ore, copper core and the like with low metal content, and overcome the problems of complex equipment, great investment, high reduction reaction temperature and high energy consumption of conventional metal reduction methods.
Description
Technical field
The present invention relates to metallurgical technology field, a kind of method that metal by high-valence state in metallic ore reverts to lower valency is related in particular to.
Background technology
Most metals are present with chemical combination states of matter in nature, and people generally require the treatment for carrying out reducing enrichment to obtain during the larger compound or metal simple-substance of tenor.Different metals has different enrichment methods, but its principle is all that the metal of high-valence state is reduced into lower valency, such as obtains Cu, MnO by CuO reduction2Reduction obtains Mn, by Fe2O3Reduction obtains Fe etc..
The method of reduction treatment of existing this metallic ore, such as by MnO2Reduction obtains Mn2+Technology, it is by coal and MnO2Manganese ore separate compiling, then be added to roasting at a temperature of 900 DEG C ± 50 DEG C of rotary kiln or shaft kiln back warp and obtain after mixing in proportion.The restoring method of existing iron ore, is also mostly that coal is mixed into laggard " roasting " in proportion with iron ore.And in the prior art, it is " multilevel circulation pre-heating fluidization reduction roasting iron oxide ore reaction unit " (Patent No. ZL200720064996.8) and " a kind of reducing hematite, limonite, the roast device of siderite " to have a kind of technology（Patent No. ZL200610032484.3) invention, reduction of both devices to iron ore is essentially identical, all it is that the carbon monoxide of high temperature is passed through the flash reduction in high temperature gas flow with metallic ore from the reduction treatment furnace bottom of metallic ore, water quenching turns into Fe after being allowed to reduction3O4.This technology due to the reduction of iron ore is rapidly completed in flash reactor, therefore, this reaction temperature should be very high；Secondly, need to be preheated by the thermal current of multistage cyclone cylinder before reduction of iron ore reaction, this technical equipment is more complicated, and the preheating of multistage cyclone cylinder, its insulation is more difficult, and heat input is big；Again, preheated because iron ore needs to be flowed between multistage cyclone cylinder before reduction, it is therefore desirable to which iron ore is first crushed to smaller particle size before preheating.This several respect can all cause process energy consumption big, high cost.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of method of reduction treatment of metallic ore and the reduction treatment stove of metallic ore, existing metal reduction method can be solved with treatment furnace in this way and there is equipment complexity, investment is big, and reduction reaction temperature is high, the problem of high energy consumption.
In order to solve the above problems, the method for reduction treatment of the metallic ore that the present invention is used：The reduction reaction of metallic ore be set on one metallic ore import divide into metallic ore outlet metallic ore reduction treatment stove in carry out, the reduction treatment stove of the metallic ore between the metallic ore import and metallic ore outlet is provided with also Primordial Qi outlet, and the reduction treatment stove of the metallic ore between the metallic ore import and reducing gas outlet is provided with and helps gas outlet；Reducing gas passes through the also Primordial Qi and exports output, is reacted positioned at the metallic ore that the also Primordial Qi is exported to the reducing zone helped between gas outlet with the reduction treatment stove for being deposited in the metallic ore；Combustion-supporting gas is input into by helping gas outlet, and combustion-supporting in the reduction treatment stove of the metallic ore, and the metallic ore for being deposited in the preheating zone helped more than gas outlet described in the reduction treatment stove of the metallic ore is preheated by being burnt.
In the method for reduction treatment of above-mentioned metallic ore, the metallic ore can be with any one in carbon monoxide and the reducible metallic ore of hydrogen, particularly iron ore, manganese ore or copper mine.
The more preferable scheme of method of reduction treatment of above-mentioned metallic ore is：The particle diameter of the metallic ore is below 30 millimeters；It is 120 DEG C -780 DEG C that the also Primordial Qi is exported to the reaction zone temperature helped between gas outlet；Discharge is exported from the metallic ore of the reduction treatment stove of the metallic ore by the metallic ore of the reaction zone, the metallic ore of discharge is cooled down in being directly entered coolant, it is also possible to cooled down in the environment of other prevent it from aoxidizing once again；Can also be exported from the metallic ore again after being arranged on the cooling of the cooling zone of the reduction treatment stove of the metallic ore by the metallic ore of reaction zone and discharged, this cooling zone may be provided in the also Primordial Qi and be exported between the outlet of the metallic ore of the reduction treatment stove of the metallic ore, preferably scheme is, gas cooler and water cooler are provided with the cooling zone, can so allow the combustion-supporting gas to first pass through be transported to again after gas cooler preheating and described help gas outlet combustion-supporting；When scheme of the also Primordial Qi from water-gas, the water cooler is the heat exchanger that steam is produced to the water gas generator, and in the stove of the reduction treatment stove that the water-gas of the water gas generator exports the input metallic ore by the also Primordial Qi.
In the method for reduction treatment of above-mentioned metallic ore, also Primordial Qi outlet is distributed in the reducing zone of the reduction treatment stove of the metallic ore and the junction surface of the cooling zone；The preheating zone of the reduction treatment stove for helping gas outlet to be distributed in the metallic ore and the junction surface of the reducing zone.
The reduction treatment stove of alleged metallic ore of the invention, refers to that metallic ore to be restored continuously can be input into stove after normal work, and the oxidation-reduction reaction stove outside stove can be continuously exported by the metallic ore of reduction reaction.
The reduction treatment stove of the metallic ore that the method for reduction treatment of this metallic ore is used can be：Top is provided with metallic ore import, bottom and is provided with metallic ore outlet, also Primordial Qi outlet is provided between the metallic ore import of the reduction treatment stove of the metallic ore and metallic ore outlet, is provided between the metallic ore import of the reduction treatment stove of the metallic ore and reducing gas outlet and is helped gas outlet；The also Primordial Qi is exported in the cooling zone between the metallic ore outlet and is provided with gas cooler and water cooler；The outlet of the gas cooler helps gas outlet described in；The passage of the production steam of the outlet water gas generator of the water cooler.
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art：
1., because reducing gas is to add metallic ore import upper, metallic ore is exported in the reduction treatment stove of the metallic ore under, in reaction zone, also Primordial Qi with the direction of motion of metallic ore conversely, therefore, it can allow the reduction process of metallic ore to obtain preferable effect；
2. mix with ore with by coal, compared in the prior art that reduction reaction is carried out at a temperature of 900 DEG C, this technology reaction temperature can reduce minimum up to less than 780 DEG C, or even can be low up to 120 DEG C, reduce the thermal loss that the factor higher to metallic ore heating-up temperature is brought；The coking produced in high-temperature roasting can also be avoided, is caused subsequently to crush the difficulty of ore dressing and is influenceed the problem of elimination factor；Due to being provided with the addition of combustion-supporting gas, make to be burnt completely for preheating the metallic ore before participating in reduction reaction by the remaining reducing gas of reducing zone, such that it is able to preventing the emptying of reducing gas, wasting, and the reducing gas of high concentration can be passed through, be conducive to accelerating the process of metal reduction；
3. with similar to " a kind of reducing hematite, limonite, siderite roast device "（Patent No. ZL200610032484.3) prior art compare, this technology need not crush matter hard state before reduction metallic ore, and need not crush excessively tiny, can save process costs；Secondly, reduction apparatus is relatively simple, and number of devices is few, and equipment investment is small；Additionally, occupied ground is also smaller, it is easy to insulation adiabatic, advantageously reduces energy resource consumption.It is reported that the energy consumption of reduction treatment iron ore is not less than double centner standard coal/ton in currently available technology, the similar iron ore energy consumption of present invention treatment can be low up to 50 kilograms of standard coal/tons.
Brief description of the drawings
Fig. 1 is the structural representation of the reduction treatment stove of the metallic ore that the inventive method embodiment 1 is used to embodiment 9.
Fig. 2 is combustion-supporting gas gas distribution pipe and the front view for going back Primordial Qi gas distribution pipe in the present invention.
Fig. 3 is combustion-supporting gas gas distribution pipe and the top view for going back Primordial Qi gas distribution pipe in the present invention.
Fig. 4 is the partial enlarged view at A in Fig. 3.
Fig. 5 is the structural representation of the reduction treatment stove of the metallic ore that the embodiment of the present invention 10 is used.
Specific embodiment
With reference to specific embodiment, the invention will be further described：
The method of reduction treatment of embodiment 1 --- bloodstone：
The equipment that reduction of the present embodiment to metallic ore is used is as shown in Figure 1, there is a reduction treatment stove for metallic ore, the reduction treatment furnace upper end of the metallic ore has a feed hopper 1, it is exhanst gas outlet between the furnace shell 2 of feed hopper 1 and the reduction treatment stove of metallic ore, the upper end import of feed hopper 1 is the metallic ore import of the metallic ore to be restored of the reduction treatment stove of metallic ore, the reduction treatment stove lower end of metallic ore is connected with a conveying worm 16 by pan 8 of gathering materials, the metallic ore outlet of conveying worm 16 is the metallic ore outlet of the reduction treatment stove of metallic ore, exported outside stove from here by the metallic ore after reduction reaction.
The reduction treatment stove of metallic ore is provided with combustion-supporting gas gas distribution pipe 5 and also Primordial Qi gas distribution pipe 7, and the also Primordial Qi outlet also on Primordial Qi gas distribution pipe 7 is located between the metallic ore import of the reduction treatment stove of metallic ore and metallic ore outlet；The gas outlet that helps on combustion-supporting gas gas distribution pipe 5 is located between the metallic ore import of the reduction treatment stove of metallic ore and reducing gas outlet.The inside of the reduction treatment stove of metallic ore is divided into preheating zone T1 by combustion-supporting gas gas distribution pipe 5 and also Primordial Qi gas distribution pipe 7, reaction zone T2 and cooling zone T3, preheating zone T1 is from the region being exported between combustion-supporting gas gas distribution pipe 5 of feed hopper 1, reaction zone T2 is from combustion-supporting gas gas distribution pipe 5 to the region between also Primordial Qi gas distribution pipe 7, cooling zone T3 is from also Primordial Qi gas distribution pipe 7 to the region between the lower end of the pan of gathering materials of the reduction treatment stove of metallic ore, i.e. combustion-supporting gas gas distribution pipe 5 is mounted in the junction surface of preheating zone T1 and reaction zone T2, also Primordial Qi gas distribution pipe 7 is mounted in the junction surface of reaction zone T2 and cooling zone T3.
In furnace shell 2, the top of preheating zone T1 is equipped with the distributing device that a main conical shell 3 that can be adjusted by height and position is constituted；In furnace shell 2, the top of cooling zone T3 is equipped with gas cooler 8, the import of gas cooler 8 connects an air outlet for the air blower 10 that damper is provided with import by pipeline 9, and the outlet of gas cooler 8 is connect the entrance of combustion-supporting gas gas distribution pipe 5 by pipeline 6, that is, helps fuel gas inlet；In furnace shell 2, the bottom of cooling zone T3 is equipped with water cooler 13, and the import of water cooler 13 is connected with the running water pipe 15 with valve, and the outlet of water cooler 13 connects a steam inlet for blue-gas generator 14 by pipeline 12；
The water-gas outlet of blue-gas generator 14 connects the also Primordial Qi entrance of the reduction treatment stove of metallic ore by pipeline 11, that is, go back the entrance of Primordial Qi gas distribution pipe 7.
For combustion-supporting gas gas distribution pipe 5 is identical with the structure of also Primordial Qi gas distribution pipe 7 in the present embodiment, their structure is as shown in Figures 2 to 4, there is a supervisor 21,14 branch pipes 22 are horizontally arranged with respectively 21 two opposite flanks are responsible for, the every side of branch pipe 22, side i.e. in Fig. 1 downward, is respectively equipped with multiple escaping pipes 23.The open at one end of supervisor 21 as helping fuel gas inlet, other end closing；Each one end of branch pipe 22 connects with supervisor, other end closing；The branch pipe that one end of every escaping pipe 23 is coupled is connected, and the other end opens wide conduct and helps gas outlet.
The method of reduction treatment of the limonite of the present embodiment is such：
Limonite is before the hopper 1 of reduction treatment stove of metallic ore is entered, first block limonite is pulverized and sieved, the metallic ore 4 of to be restored treatment of the particle diameter less than 30 millimeters is obtained, in the hopper 1 being then transported in Fig. 1 by the metallic ore 4 for the treatment of to be restored and by elevator again.
The air that air blower 10 is bloated is used as the combustion-supporting gas used in the method for reduction treatment of this metallic ore, the combustion-supporting gas enters into and through the gas cooler 8 that the reduction treatment stove of metallic ore is constituted based on helix tube by pipeline 9, make to be heated by the combustion-supporting gas in gas cooler 8, while being cooled down the metallic ore 4 outside gas cooler 8.Pass through pipeline 6 and combustion-supporting gas gas distribution pipe 5 again by the combustion-supporting gas after heating, discharged from the gas outlet that helps of combustion-supporting gas gas distribution pipe 5, the combustion-supporting gas of discharge mixes and is burnt with from the reducing gas that reaction is not completed behind reaction zone T2 upper ends, and produced heat to the metallic ore 4 in the T1 of preheating zone for preheating.The height of the conical shell 3 in regulation preheating zone T1, can adjust the piling height of metallic ore 4 in the T1 of preheating zone, so that metallic ore 4 obtains preferable pre-heat effect and can prevent the waste of heat energy.
Blue-gas generator 14 is by adjusting the concentration of carbon monoxide and hydrogen and the size for exporting quantity during it obtains water-gas from the quantity of control input coal and by the quantity of control input steam.The water-gas that blue-gas generator 14 is produced is used as the also Primordial Qi used in the method for reduction treatment of this metallic ore, also Primordial Qi is by pipeline 11 and goes back the reduction treatment stove that Primordial Qi gas distribution pipe 7 is input into metallic ore for this, and there is oxidation-reduction reaction with the metallic ore 4 in the reduction treatment stove reaction zone T2 of metallic ore, reduced metallic ore 4.The present embodiment and including including the embodiment of the present invention that is described below, many, each practice result that the present inventor was carried out shows：The concentration of carbon monoxide and hydrogen also in Primordial Qi is higher, and the reduction effect that metallic ore 4 is obtained is better.
Running water is input into the water cooler 13 that the reduction treatment stove of metallic ore is constituted based on helix tube by the running water pipe 15 with valve, the water for flowing through water cooler 13 is heated and is transformed into steam, and be input into blue-gas generator 14 for producing water-gas by pipeline 12, the water of water cooler 13 is flowed through while making the metallic ore 4 outside water cooler 13 obtain further cooling, the size of running water valve is adjusted, the yield of steam and the cooling degree of metallic ore 4 can be controlled.These just can be discharged outside the reduction treatment stove of metallic ore after the metallic ore 4 for cooling down again is cooled to the degree for being unlikely to reoxidize with air by conveying worm 16.The reaction temperature in reaction zone T1 can be adjusted by the speed for controlling conveying worm 16 to discharge metallic ore 4, blue-gas generator 14 is by adjusting the concentration of carbon monoxide and hydrogen and the size for exporting quantity during it obtains water-gas from the quantity of control input coal and by the quantity of control input steam.The water-gas that blue-gas generator 14 is produced is used as the also Primordial Qi used in the method for reduction treatment of this metallic ore, also Primordial Qi is by pipeline 11 and goes back the reduction treatment stove that Primordial Qi gas distribution pipe 7 is input into metallic ore for this, and there is oxidation-reduction reaction with the metallic ore 4 in the reduction treatment stove reaction zone T2 of metallic ore, reduced metallic ore 4.The present embodiment and including including the embodiment of the present invention that is described below, many, each practice result that the present inventor was carried out shows：The concentration of carbon monoxide and hydrogen also in Primordial Qi is higher, and the reduction effect that metallic ore 4 is obtained is better.
2-embodiment of embodiment 9 is the method for reduction treatment to different metal ore deposit using differential responses temperature：
In these embodiments in addition to the type and reaction temperature of metallic ore are different from embodiment 1, other parts are same as Example 1.
The treatment effect of each embodiment such as following table：
The method of reduction treatment of embodiment 10 --- limonite：
The equipment that reduction of the present embodiment to metallic ore is used is as shown in Figure 5, there is a reduction treatment stove for metallic ore, the reduction treatment furnace upper end of the metallic ore has a feed hopper 1, it is exhanst gas outlet between the furnace shell 2 of feed hopper 1 and the reduction treatment stove of metallic ore, the upper end import of feed hopper 1 is the metallic ore import of the metallic ore to be restored of the reduction treatment stove of metallic ore, the reduction treatment stove lower end of metallic ore is connected with a conveying worm 16 by pan 8 of gathering materials, the metallic ore outlet of conveying worm 16 is the metallic ore outlet of the reduction treatment stove of metallic ore, exported outside stove from here by the metallic ore after reduction reaction.
The reduction treatment stove of metallic ore is provided with combustion-supporting gas gas distribution pipe 5 and also Primordial Qi gas distribution pipe 7, combustion-supporting gas gas distribution pipe 5 is identical with the structure of also Primordial Qi gas distribution pipe 7 in the present embodiment, their structure is as shown in Figures 2 to 4, there is a supervisor 21,14 branch pipes 22 are horizontally arranged with respectively 21 two opposite flanks are responsible for, the every side of branch pipe 22, i.e., side in Fig. 1 downward is respectively equipped with multiple escaping pipes 23.The open at one end of supervisor 21 as helping fuel gas inlet, other end closing；Each one end of branch pipe 22 connects with supervisor, other end closing；The branch pipe that one end of every escaping pipe 23 is coupled is connected, and the other end opens wide conduct and helps gas outlet.Also Primordial Qi outlet also on Primordial Qi gas distribution pipe 7 is located between the metallic ore import of the reduction treatment stove of metallic ore and metallic ore outlet；The gas outlet that helps on combustion-supporting gas gas distribution pipe 5 is located between the metallic ore import of the reduction treatment stove of metallic ore and reducing gas outlet.The inside of the reduction treatment stove of metallic ore is divided into two parts of preheating zone T1 and reaction zone T2 by combustion-supporting gas gas distribution pipe 5 and also Primordial Qi gas distribution pipe 7, preheating zone T1 is from the region being exported between combustion-supporting gas gas distribution pipe 5 of feed hopper 1, reaction zone T2 is from combustion-supporting gas gas distribution pipe 5 to the region between also Primordial Qi gas distribution pipe 7,, mounted in the junction surface of preheating zone T1 and reaction zone T2, also Primordial Qi gas distribution pipe 7 is mounted in the bottom of reaction zone T2 for combustion-supporting gas gas distribution pipe 5.In furnace shell 2, the top of preheating zone T1 is equipped with the distributing device that a main conical shell 3 that can be adjusted by height and position is constituted.
The method of reduction treatment of the limonite of the present embodiment is such：
Limonite is before the hopper 1 of reduction treatment stove of metallic ore is entered, first block limonite is pulverized and sieved, the metallic ore 4 of to be restored treatment of the particle diameter less than 30 millimeters is obtained, in the hopper 1 being then transported in Fig. 1 by the metallic ore 4 for the treatment of to be restored and by elevator again.
This example using air as the method for reduction treatment of this metallic ore in the combustion-supporting gas that uses, the combustion-supporting gas enters into and through the reduction treatment stove of metallic ore by combustion-supporting gas gas distribution pipe 5, discharged from the gas outlet that helps of combustion-supporting gas gas distribution pipe 5, the combustion-supporting gas of discharge mixes and is burnt with from the reducing gas that reaction is not completed behind reaction zone T2 upper ends, and produced heat to the metallic ore 4 in the T1 of preheating zone for preheating.The height of the conical shell 3 in regulation preheating zone T1, can adjust the piling height of metallic ore 4 in the T1 of preheating zone, so that metallic ore 4 obtains preferable pre-heat effect and can prevent the waste of heat energy.
This example using water-gas as the method for reduction treatment of this metallic ore in use also Primordial Qi, the reduction treatment stove of metallic ore is input into from also Primordial Qi gas distribution pipe 7, and there is oxidation-reduction reaction with the metallic ore 4 in the reduction treatment stove reaction zone T2 of metallic ore, reduced conjunction metallic ore 4.
Metallic ore 4 after being reduced is discharged outside the reduction treatment stove of metallic ore by conveying worm 16.The hot metallic ore 4 outside the reduction treatment stove of metallic ore is discharged directly to quench cooling in water, it is difficult to be reoxidized with the oxygen in air again by the limonite after the present embodiment reduction treatment, the loose solid of the great black of specific susceptibility is become by the brown solid of original specific susceptibility very little, is conducive to follow-up crushing and magnetic separation.
Additionally, as the mutation of the present embodiment, obtain the metallic ore 4 of reduction and can also first quench cool down in water and be then exhausted from outside stove, or by subsequent handling in natural environment is placed in again after heat exchange is cooled down under conditions of isolating oxygen.
Claims (7)
1. a kind of method of reduction treatment of metallic ore, it is characterised in that：
The reduction reaction of metallic ore be set on one metallic ore import, divide into metallic ore outlet metallic ore reduction treatment stove in carry out；Also Primordial Qi outlet is provided between the metallic ore import of the reduction treatment stove of the metallic ore and metallic ore outlet, is provided between the metallic ore import of the reduction treatment stove of the metallic ore and reducing gas outlet and is helped gas outlet；
Reducing gas passes through the also Primordial Qi and exports output, is reacted positioned at the metallic ore that the also Primordial Qi is exported to the reducing zone helped between gas outlet with the reduction treatment stove for being deposited in the metallic ore；Combustion-supporting gas is input into by helping gas outlet, and combustion-supporting in the reduction treatment stove of the metallic ore, and the metallic ore for being deposited in the preheating zone helped more than gas outlet described in the reduction treatment stove of the metallic ore is preheated by being burnt.
2. the method for reduction treatment of metallic ore according to claim 1, it is characterised in that：The metallic ore refers to any one in iron ore, manganese ore or copper mine.
3. the method for reduction treatment of metallic ore according to claim 1 and 2, it is characterised in that：The particle diameter of the metallic ore is below 30 millimeters；It is 120 DEG C -780 DEG C that the also Primordial Qi is exported to the reaction zone temperature helped between gas outlet；By the metallic ore of the reaction zone discharge is exported from the metallic ore of the reduction treatment stove of the metallic ore.
4. the method for reduction treatment of metallic ore according to claim 1 and 2, it is characterised in that：The particle diameter of the metallic ore is below 30 millimeters；It is 120 DEG C -780 DEG C that the also Primordial Qi is exported to the reaction zone temperature helped between gas outlet；Exported from the metallic ore after the cooling zone cooling between the also Primordial Qi is exported to the outlet of the metallic ore of the reduction treatment stove of the metallic ore by the metallic ore of the reaction zone and discharged, gas cooler and water cooler are provided with the cooling zone；The combustion-supporting gas helps gas outlet described in being transported to again after the gas cooler is preheated；The also Primordial Qi is water-gas, and the water-gas of the water gas generator is by the way that in the stove for going back the reduction treatment stove that Primordial Qi exports the input metallic ore, the water cooler is the heat exchanger that steam is produced to the water gas generator.
5. the method for reduction treatment of metallic ore according to claim 3, it is characterised in that：Also Primordial Qi outlet is distributed in the reducing zone of the reduction treatment stove of the metallic ore and the junction surface of the cooling zone；The preheating zone of the reduction treatment stove for helping gas outlet to be distributed in the metallic ore and the junction surface of the reducing zone.
6. the method for reduction treatment of metallic ore according to claim 4, it is characterised in that：Also Primordial Qi outlet is distributed in the reducing zone of the reduction treatment stove of the metallic ore and the junction surface of the cooling zone；The preheating zone of the reduction treatment stove for helping gas outlet to be distributed in the metallic ore and the junction surface of the reducing zone.
7. a kind of reduction treatment stove of metallic ore, top is provided with metallic ore import, bottom and is provided with metallic ore outlet, it is characterised in that：Also Primordial Qi outlet is provided between the metallic ore import and metallic ore outlet, is provided between the metallic ore import and reducing gas outlet and is helped gas outlet；The also Primordial Qi is exported in the cooling zone between the metallic ore outlet and is provided with gas cooler and water cooler；The outlet of the gas cooler helps gas outlet described in；The passage of the production steam of the outlet water gas generator of the water cooler.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510462863.5A CN106702157A (en) | 2015-08-01 | 2015-08-01 | Reduction treatment method and reduction treatment furnace for metal ore |
| AU2016304050A AU2016304050B2 (en) | 2015-08-01 | 2016-07-29 | Metal ore metal recovery process and metal ore metal recovery process furnace |
| PCT/CN2016/092400 WO2017020789A1 (en) | 2015-08-01 | 2016-07-29 | Metal ore metal recovery process and metal ore metal recovery process furnace |
| PCT/CN2016/092410 WO2017020793A1 (en) | 2015-08-01 | 2016-07-29 | Cobalt or nickel enrichment method |
| MYPI2018700252A MY186491A (en) | 2015-08-01 | 2016-07-29 | Metal ore metal recovery process and metal ore metal recovery process furnace |
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| CN114250404A (en) * | 2021-01-15 | 2022-03-29 | 武汉科技大学 | FeSiBNbCu nanocrystalline soft magnetic alloy and preparation method thereof |
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| CN114250404A (en) * | 2021-01-15 | 2022-03-29 | 武汉科技大学 | FeSiBNbCu nanocrystalline soft magnetic alloy and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2016304050A1 (en) | 2018-02-15 |
| MY186491A (en) | 2021-07-22 |
| AU2016304050B2 (en) | 2019-07-11 |
| WO2017020793A1 (en) | 2017-02-09 |
| WO2017020789A1 (en) | 2017-02-09 |
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