CN211814607U - Novel furnace for simultaneous mixed smelting of antimony ore volatilization smelting and flash smelting - Google Patents
Novel furnace for simultaneous mixed smelting of antimony ore volatilization smelting and flash smelting Download PDFInfo
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- CN211814607U CN211814607U CN201922163143.5U CN201922163143U CN211814607U CN 211814607 U CN211814607 U CN 211814607U CN 201922163143 U CN201922163143 U CN 201922163143U CN 211814607 U CN211814607 U CN 211814607U
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- ore
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- 238000003723 Smelting Methods 0.000 title claims abstract description 72
- 229910052787 antimony Inorganic materials 0.000 title claims abstract description 64
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000002893 slag Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 210000001015 abdomen Anatomy 0.000 claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 239000011819 refractory material Substances 0.000 claims abstract description 3
- 241001062472 Stokellia anisodon Species 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 239000000843 powder Substances 0.000 description 11
- 239000000428 dust Substances 0.000 description 10
- 238000007254 oxidation reaction Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 229910000410 antimony oxide Inorganic materials 0.000 description 8
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 8
- 235000019738 Limestone Nutrition 0.000 description 7
- 239000000571 coke Substances 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000006028 limestone Substances 0.000 description 7
- 239000000779 smoke Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052569 sulfide mineral Inorganic materials 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of non-ferrous metal antimony smelting, and discloses a novel furnace for simultaneous mixed smelting of antimony ore volatilization smelting and flash smelting, wherein an antimony ore blast furnace is in a vertical cuboid or cylinder shape, the top of the blast furnace is provided with a storage bin, the middle part of the blast furnace is provided with a furnace body made of refractory materials, the side wall of the furnace body is provided with a flue communicated with the furnace body, the lower part of the furnace body is provided with a furnace belly water jacket, the side wall of the furnace belly water jacket is provided with a tuyere, the bottom of the furnace belly water jacket is provided with a furnace hearth, and the inner side wall of the furnace hearth is provided with a slag passing channel or a slag; the top or the side wall of the shaft of the blast furnace is provided with a nozzle for spraying the fine ore. The utility model discloses technical scheme can improve the productivity effectively, reduces the energy consumption, reduction in production cost.
Description
Technical Field
The utility model relates to a non ferrous metal antimony smelts technical field, especially an antimony ore volatilizees to smelt and mixes simultaneously to smelt and uses novel stove with flash smelting.
Background
The traditional antimony ore rough smelting process is more widely applied with three processes of vertical shaft furnace volatilization roasting, open hearth furnace volatilization roasting and blast furnace volatilization smelting, wherein the vertical shaft furnace volatilization roasting and the open hearth furnace volatilization roasting are listed as obsolete backward productivity by the nation because of low productivity and large labor intensity. The traditional antimony ore rough smelting process is mainly an antimony blast furnace volatilization smelting process, and the specific scheme is that after being pelletized, powder ore and lump ore are mixed with coke, iron ore, limestone and the like according to a proper proportion, the mixture is put into a furnace from a furnace top bin in batches in a classified manner, volatilization, smelting and oxidation reaction are carried out in a hearth above a furnace belly water jacket tuyere area to generate antimony oxide, the smoke of the antimony oxide dust enters a subsequent condensation dust collecting system through a flue, and the antimony oxide dust is cooled, settled and collected in the condensation dust collecting system and then is conveyed to the next antimony reduction and refining process through pipeline air pressure; the gangue in the ore reacts with two fluxes of iron ore and limestone in the hearth to generate slag, the slag enters the hearth and is discharged out of the furnace through a slag port of the hearth or flows into a front bed through a slag channel and then is discharged out of the furnace. The antimony ore rough smelting blast furnace volatilization smelting process has the characteristics of strong raw material applicability, large processing capacity, high mechanization degree and the like, and becomes the unique antimony ore rough smelting process widely popularized and applied at present. Although the antimony blast furnace is the most advanced antimony smelting production process at present, compared with other non-ferrous metal smelting processes, the antimony blast furnace has the advantages of high energy consumption, low capacity and unsatisfactory economic benefits, almost no technology upgrading progress in half a century after development, and severe restriction on industry development, gradually falls into the future compared with other new technologies for non-ferrous metal smelting, and has a gap with the requirements of energy conservation and emission reduction processes proposed by the state.
Flash smelting is one of the most advanced production processes for smelting heavy non-ferrous metals such as copper, nickel and the like at present. The basic process principle is as follows: grinding ore to below a specified particle size, drying to below a specified moisture content, spraying into a reaction chamber in a flash furnace through a nozzle to enable the ore particles to be suspended in high-temperature oxidizing gas flow, rapidly generating an oxidation reaction of sulfide minerals, and releasing a large amount of heat energy. The fuel consumption of the copper-nickel flash smelting process is only about 50 percent of that of the traditional smelting process. The flash smelting process has the advantages of low energy consumption, large bed capacity, high automation degree, clean production environment and the like.
During the course of research and practice on this method, the inventors of the present invention found that: the antimony ore rough smelting production process aims at producing antimony oxide through oxidation reaction of sulfide minerals, and antimony ores are extremely easy to volatilize and oxidize and are very suitable for flash smelting.
The flash smelting industrial test of antimony ore has been carried out for several times in the industry, and the flash smelting industrial test of antimony ore is terminated because the antimony content of slag is too high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an antimony ore volatilizees to smelt and mixes simultaneously to smelt and uses novel stove with flash smelting.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the antimony ore blast furnace is in a vertical cuboid or cylinder shape, a storage bin is arranged at the top of the blast furnace, a furnace body made of refractory material is arranged in the middle of the blast furnace, a flue communicated with the furnace body is arranged on the side wall of the furnace body, a furnace belly water jacket is arranged at the lower part of the furnace body, a tuyere is arranged on the side wall of the furnace belly water jacket, a furnace hearth is arranged at the bottom of the furnace belly water jacket, and a slag passage or a slag outlet and an antimony matte port are arranged on the inner side wall of the furnace hearth; the top or the side wall of the shaft of the blast furnace is provided with a nozzle for spraying the fine ore.
Furthermore, the shape of the nozzle is a straight cylinder or a conical cylinder, one or more nozzles are arranged, and the diameter of each nozzle is 10-1000 mm.
Furthermore, the included angle between the spray angle of the nozzle installation and the horizontal plane is 0-180 degrees.
The utility model adopts a new furnace type for simultaneously mixing and smelting the same hearth of the blast volatilization smelting and the flash smelting of antimony ore, the reaction chamber is fully utilized, the flash smelting reaction of the dry particle powder ore is carried out in the high-temperature cavity at the upper part of the hearth, the reaction speed is far higher than that of the traditional blast furnace process, thereby effectively improving the productivity; in the application of the novel process for simultaneously mixing and smelting antimony ore in the same hearth through blast volatilization smelting and flash smelting, antimony-rich slag generated by flash smelting oxidation reaction of antimony powder ore in a high-temperature cavity at the upper part of the hearth sinks into a lump ore mixture at the bottom of the hearth, then participates in the production process of blast furnace volatilization smelting, carries out secondary slagging with two fluxes of iron ore and limestone, and carries out slagging reaction with gangue impurities in the lump antimony ore to generate ideal depleted low-antimony slag, thereby effectively avoiding the problem that the slag of the traditional flash smelting industrial test furnace has overhigh antimony content.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a blast furnace according to the present invention.
In the figure: 1-a blast furnace; 2-a storage bin; 3-a nozzle; 4-flue; 5-furnace belly water jacket; 6-blast nozzle; 7-hearth; 8-slag hole; 9-slag channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
One 2m2The blast furnace without front bed for smelting antimony adopts the same hearth of blast volatilization smelting and flash smelting of antimony ore and simultaneously mixes the new furnace type for smelting and the new smelting process. The method comprises the following steps of (1) proportionally mixing massive antimony ore, coke, iron ore and limestone, and putting the mixture into a blast furnace 1 from a storage bin 2 at the top of the blast furnace 1 in a set sequence, wherein the massive material entering the blast furnace 1 is subjected to volatilization smelting oxidation reaction above a tuyere 6 area in a furnace belly water jacket 5 to generate smoke containing antimony oxide dust; drying antimony ore powder with particle diameter less than 1mm to water content less than 1%, delivering oxygen-enriched air from a nozzle 3 at the top of a blast furnace 1, vertically and downwardly injecting the oxygen-enriched air into the blast furnace 1 at the flow rate of 3 m/s and the flow rate of 100 g/s, carrying out flash smelting oxidation reaction on the antimony ore powder injected into the blast furnace 1 in a high-temperature cavity at the upper part of a hearth of the blast furnace 1 to generate smoke containing antimony oxide dust, and carrying out two-way reverse reactionThe generated mixed flue gas enters a subsequent condensation dust collection system through a flue 4; antimony-rich slag generated by flash smelting oxidation reaction of antimony powder ore in a high-temperature cavity at the upper part of a hearth sinks into a hearth lump ore layer, participates in a blast volatilization smelting production process, performs secondary slagging reaction with two fluxes of iron ore and limestone, performs slagging reaction with gangue impurities in the lump antimony ore, and generates depleted low-antimony slag which enters a hearth 7 and is directly discharged out of the furnace through a hearth slag hole 8. This 2m2When the antimony-smelting forehearth-free blast furnace is produced by adopting the traditional oxygen-enriched antimony blast furnace process, the processing capacity is 80 tons/day, the coke rate is 25 percent, and the monthly mean value of the antimony contained in the slag is 0.85 percent; after the novel process of blast volatilization smelting and flash smelting and simultaneous mixed smelting is adopted for production, the processing capacity is 110 tons/day, the coke rate is 18 percent, and the monthly mean value of the slag containing antimony is 0.83 percent.
Example 2
One 3m2The front bed blast furnace for smelting antimony adopts the same hearth of blast volatilization smelting and flash smelting of antimony ore and simultaneously mixes the new furnace type for smelting and the new smelting process. The method comprises the following steps of (1) proportionally mixing massive antimony ore, coke, iron ore and limestone, and putting the mixture into a blast furnace 1 from a storage bin 2 at the top of the blast furnace 1 in a set sequence, wherein the massive material entering the blast furnace 1 is subjected to volatilization smelting oxidation reaction above a tuyere 6 area in a furnace belly water jacket 5 to generate smoke containing antimony oxide dust; after drying antimony ore powder with the particle diameter of less than 1mm to the water content of less than 1%, conveying the antimony ore powder by using air from a nozzle 3 on a furnace body of a blast furnace 1, injecting the antimony ore powder into the blast furnace 1 in the horizontal direction at the flow rate of 4 m/s and the flow rate of 150 g/s, carrying out flash smelting oxidation reaction on the antimony ore powder injected into the blast furnace 1 in a high-temperature cavity at the upper part of a hearth of the blast furnace 1 to generate smoke containing antimony oxide dust, and enabling the mixed smoke generated by the two reactions to enter a subsequent condensation dust collection system through a flue 4; antimony-rich slag generated by flash smelting oxidation reaction of antimony powder ore in a high-temperature cavity at the upper part of a hearth sinks into a hearth lump ore layer, participates in a blast volatilization smelting production process, performs secondary slagging reaction with two fluxes of iron ore and limestone, performs slagging reaction with gangue impurities in the lump antimony ore, generates depleted low-antimony slag, enters a hearth 7, flows into a front bed through a slag channel 9,and then is discharged out of the furnace through a front bed slag hole. This 3m2When the antimony smelting fore-bed antimony blast furnace is produced by adopting the traditional common air supply antimony blast furnace process, the processing capacity is 80t/d, the coke rate is 35 percent, and the monthly mean value of the antimony contained in the slag is 0.92 percent; after the novel process of blast volatilization smelting and flash smelting and simultaneous mixed smelting is adopted for production, the processing capacity is 120t/d, the coke rate is 25 percent, and the monthly mean value of the slag containing antimony is 0.95 percent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an antimony ore volatilizees to smelt and mixes simultaneously to smelt with novel stove which characterized in that: the antimony ore blast furnace is in a vertical cuboid or cylinder shape, a storage bin is arranged at the top of the blast furnace, a furnace body made of refractory materials is arranged in the middle of the blast furnace, a flue communicated with the furnace body is arranged on the side wall of the furnace body, a furnace belly water jacket is arranged at the lower part of the furnace body, a tuyere is arranged on the side wall of the furnace belly water jacket, a furnace hearth is arranged at the bottom of the furnace belly water jacket, and a slag passing channel or a slag outlet and an antimony matte port are arranged on the inner side wall of the furnace hearth; and a nozzle for spraying the fine ore is arranged on the top or the side wall of the furnace body of the blast furnace.
2. The new furnace for simultaneous smelting of antimony ore by volatilization and flash smelting according to claim 1, wherein the nozzles are in the shape of a straight cylinder or a conical cylinder, the number of the nozzles is one or more, and the diameter of each nozzle is 10 mm to 1000 mm.
3. The new furnace for simultaneous smelting of antimony ore by volatilization and flash smelting according to claim 1, wherein the angle between the injection angle of the nozzle installation and the horizontal plane is 0 ° to 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922163143.5U CN211814607U (en) | 2019-12-06 | 2019-12-06 | Novel furnace for simultaneous mixed smelting of antimony ore volatilization smelting and flash smelting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922163143.5U CN211814607U (en) | 2019-12-06 | 2019-12-06 | Novel furnace for simultaneous mixed smelting of antimony ore volatilization smelting and flash smelting |
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| Publication Number | Publication Date |
|---|---|
| CN211814607U true CN211814607U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922163143.5U Active CN211814607U (en) | 2019-12-06 | 2019-12-06 | Novel furnace for simultaneous mixed smelting of antimony ore volatilization smelting and flash smelting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211814607U (en) |
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2019
- 2019-12-06 CN CN201922163143.5U patent/CN211814607U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of furnace for simultaneous mixed smelting of antimony ore volatilization smelting and flash smelting Effective date of registration: 20211216 Granted publication date: 20201030 Pledgee: Guangxi Beibu Gulf Bank Co.,Ltd. Baise branch Pledgor: Guangxi wanshizhi rare precious metal Technology Co.,Ltd. Registration number: Y2021450000063 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201030 Pledgee: Guangxi Beibu Gulf Bank Co.,Ltd. Baise branch Pledgor: Guangxi wanshizhi rare precious metal Technology Co.,Ltd. Registration number: Y2021450000063 |