CN220624850U - Smelting device - Google Patents
Smelting device Download PDFInfo
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- CN220624850U CN220624850U CN202322263250.1U CN202322263250U CN220624850U CN 220624850 U CN220624850 U CN 220624850U CN 202322263250 U CN202322263250 U CN 202322263250U CN 220624850 U CN220624850 U CN 220624850U
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- furnace
- smelting
- lance
- furnace body
- charging ports
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- 238000003723 Smelting Methods 0.000 title claims abstract description 126
- 239000007921 spray Substances 0.000 claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 239000002893 slag Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000000779 smoke Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910001710 laterite Inorganic materials 0.000 description 2
- 239000011504 laterite Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- YFLLTMUVNFGTIW-UHFFFAOYSA-N nickel;sulfanylidenecopper Chemical compound [Ni].[Cu]=S YFLLTMUVNFGTIW-UHFFFAOYSA-N 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model relates to a smelting device, comprising: furnace body and spray gun subassembly. The furnace body comprises a furnace top, a furnace wall and a furnace bottom, the furnace top is arranged at the lower end of the furnace wall, the furnace bottom is arranged at the lower end of the furnace wall, the furnace top, the furnace wall and the furnace bottom enclose a smelting pool, the smelting pool comprises a smelting reaction zone, a plurality of charging ports are arranged on the furnace top, at least part of the charging ports are arranged at intervals along the width direction of the furnace top, the spray gun assembly comprises a top spray gun and a plurality of side spray guns, the top spray gun penetrates through the furnace top and stretches into the smelting reaction zone, part of the side spray guns are arranged at one side of the width direction of the furnace body, the other part of the side spray guns are arranged at the other side of the width direction of the furnace body, and the side spray guns penetrate through the furnace wall and stretch into the smelting reaction zone. The smelting device is beneficial to reducing the length-width ratio of the furnace body, has longer service life, can ensure the full reaction of materials and has better smelting effect.
Description
Technical Field
The utility model relates to the technical field of metal smelting, in particular to a smelting device.
Background
The side-blowing smelting technology is widely applied to the fields of copper-nickel sulphide ore smelting, laterite-nickel ore smelting, solid waste disposal, zinc slag treatment and the like, and the single-gun top-blowing and multi-gun top-blowing technology is widely applied to the field of copper smelting. However, when the side-blown smelting technology and the top-blown smelting technology are applied to the copper smelting field, the smelting scale of the smelting device is generally 10-30 ten thousand tons/year, and when the smelting scale is further enlarged, both the side-blown smelting technology and the top-blown smelting technology suffer from bottlenecks. Specifically, when the side-blown smelting technology is further enlarged, the aspect ratio of the furnace body is overlarge, the expansion stress of the furnace body in the length direction is difficult to eliminate, and the risk of deformation of the furnace body and even furnace leakage occurs. The top-blown smelting technology is easy to cause the problems of overlarge furnace body diameter, easy raw material occurrence during single-point feeding, high fuel rate and the like when the furnace body is further enlarged.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the embodiment of the utility model provides a smelting device which has longer service life, can ensure the full reaction of materials and has better smelting effect.
The smelting device of the embodiment of the utility model comprises: the furnace body comprises a furnace top, a furnace wall and a furnace bottom, wherein the furnace top is arranged at the lower end of the furnace wall, the furnace bottom is arranged at the lower end of the furnace wall, the furnace top, the furnace wall and the furnace bottom enclose a smelting pool, the smelting pool comprises a smelting reaction zone, a plurality of charging ports are arranged on the furnace top, and at least part of charging ports are arranged at intervals along the width direction of the furnace top; the spray gun assembly comprises a top spray gun and a plurality of side spray guns, wherein the top spray gun penetrates through the furnace top and stretches into the smelting reaction zone, part of the side spray guns are arranged on one side of the furnace body in the width direction, the other part of the side spray guns are arranged on the other side of the furnace body in the width direction, and the side spray guns penetrate through the furnace wall and stretch into the smelting reaction zone.
According to the smelting device provided by the embodiment of the utility model, as the top spray gun and the side spray gun are both introduced into the smelting reaction zone, part of the side spray guns are arranged on one side of the width direction of the furnace body, the other part of the side spray guns are arranged on the other side of the width direction of the furnace body, and at least part of charging openings are arranged at intervals along the width direction of the furnace top. Therefore, the materials added into the smelting reaction zone from the charging hole can scatter along the width direction of the furnace body, and the side spray guns positioned at two sides of the width direction of the furnace body and the top spray gun positioned at the furnace top can simultaneously blow reaction gas or powdery solid particles into the smelting reaction zone so as to ensure that the materials in the smelting reaction zone fully react.
In some embodiments, the charging ports include at least a first set of charging ports and a second set of charging ports, each of the first set of charging ports and the second set of charging ports including a plurality of charging ports arranged at intervals along a length direction of the roof, the first set of charging ports and the second set of charging ports being respectively arranged on both sides of the roof lance along a width direction of the roof.
In some embodiments, the top lance includes at least a first set of top lances and a second set of top lances, each of the first set of top lances and the second set of top lances including a plurality of top lances spaced apart along a length of the cooktop, the first set of top lances and the second set of top lances being spaced apart along a width of the cooktop.
In some embodiments, the furnace wall comprises two side walls and two end walls, the two side walls are oppositely arranged along the width direction of the furnace body and are arranged along the length direction of the furnace body, the two end walls are arranged at intervals along the length direction of the smelting tank and are arranged along the length direction of the furnace body, the side spray guns are multiple, and the plurality of side spray guns are respectively arranged on the two side walls and are arranged at intervals along the extending direction of the side walls.
In some embodiments, the length of the smelting tank is L and the width of the smelting tank is M, wherein 2.3.ltoreq.L/M.ltoreq.2.8.
In some embodiments, the height of the smelting pond is H, wherein 0.8.ltoreq.H/M.ltoreq.1.2.
In some embodiments, a partition wall is provided in the furnace body, an upper end of the partition wall is connected to the furnace roof, a lower end of the partition wall extends and is spaced apart from the furnace bottom, and the partition wall divides the smelting pool into a slag discharge area and a smelting reaction area.
In some embodiments, at least one of the top lance and the side lance is a single channel lance or a multi-channel lance; and/or at least one of the top lance and the side lance is a submerged combustion lance, a powder particle injection lance, or an oxygen-enriched lance.
In some embodiments, the furnace roof is provided with a smoke outlet spaced apart from the top lance along the length of the furnace body.
In some embodiments, a plurality of discharge ports are arranged below the furnace wall and/or on the furnace bottom, and the plurality of discharge ports are arranged at intervals along the circumferential direction of the furnace body.
Drawings
FIG. 1 is a cross-sectional view of a metallurgical plant according to an embodiment of the utility model from a front view.
FIG. 2 is a cross-sectional view from a side view of a smelting apparatus according to an embodiment of the utility model.
FIG. 3 is a plan view of a smelting apparatus according to an embodiment of the utility model.
Reference numerals:
1. a furnace body; 11. a furnace roof; 12. a furnace wall; 121. a side wall; 1211. a side blowing air hole; 122. end wall; 13. a furnace bottom; 14. a smelting pool; 141. a smelting reaction zone; 15. a feed inlet; 16. a smoke outlet; 17. a discharge port;
2. a spray gun assembly; 21. a top lance; 22. a side spray gun.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
A smelting apparatus according to an embodiment of the present utility model will be described below with reference to fig. 1 to 3.
As shown in fig. 1 to 3, a smelting apparatus according to an embodiment of the present utility model includes: a furnace body 1 and a spray gun assembly 2. The furnace body 1 comprises a furnace top 11, a furnace wall 12 and a furnace bottom 13, wherein the furnace top 11 is arranged at the lower end of the furnace wall 12, the furnace bottom 13 is arranged at the lower end of the furnace wall 12, the furnace top 11, the furnace wall 12 and the furnace bottom 13 enclose a smelting pool 14, the smelting pool 14 comprises a smelting reaction zone 141, a plurality of charging ports 15 are arranged on the furnace top 11, and at least part of charging ports 15 are arranged at intervals along the width direction (such as the direction B in FIG. 3) of the furnace top 11.
The lance assembly 2 includes a top lance 21 and a plurality of side lances 22, the top lance 21 penetrating through the furnace roof 11 and extending into the smelting reaction zone 141, a part of the side lances 22 being provided on one side in the width direction (direction B in fig. 3) of the furnace body 1, another part of the side lances 22 being provided on the other side in the width direction (direction B in fig. 3) of the furnace body 1, and the side lances 22 penetrating through the furnace wall 12 and extending into the smelting reaction zone 141.
According to the smelting apparatus of the embodiment of the utility model, since both the top lance 21 and the side lance 22 are introduced into the smelting reaction zone 141, and part of the side lance 22 is provided on one side in the width direction of the furnace body 1, the other part of the side lance 22 is provided on the other side in the width direction of the furnace body 1, and at least part of the charging ports 15 are arranged at intervals in the width direction of the furnace roof 11. Therefore, the materials added into the smelting reaction zone 141 from the charging hole 15 can scatter along the width direction of the furnace body 1, and the side spray guns 22 positioned at two sides of the width direction of the furnace body 1 and the top spray gun 21 positioned at the furnace top 11 can simultaneously blow the reaction gas or powdery solid particles into the smelting reaction zone 141 so as to ensure that the materials in the smelting reaction zone 141 are fully reacted, so that the smelting device of the embodiment of the utility model can avoid arranging the furnace body 1 with longer length, be beneficial to reducing the length-width ratio of the furnace body 1, avoid the risks of deformation and furnace leakage of the furnace body 1 caused by overlarge expansion stress of the furnace body 1 in the length direction, prolong the service life of the smelting device, ensure that the materials are fully reacted and have better smelting effect.
Alternatively, as shown in fig. 2 and 3, the charging ports 15 include at least a first group of charging ports and a second group of charging ports, each including a plurality of charging ports 15 arranged at intervals along the length direction of the roof 11, the first group of charging ports and the second group of charging ports being respectively arranged on both sides of the roof lance 21 along the width direction of the roof 11.
For example, the plurality of charging ports 15 are symmetrically arranged on both sides of the top lance 21 in the longitudinal direction of the furnace body 1. Because a plurality of charge ports 15 are arranged symmetrically about the top spray gun 21, the materials can be ensured to be uniformly introduced into the smelting tank 14, the problems of raw material occurrence and high fuel rate caused by single-point charging in the related art are avoided, and the smelting effect of the smelting device is improved.
Alternatively, as shown in fig. 2 and 3, the top lance 21 includes at least a first group of top lances and a second group of top lances, each of which includes a plurality of top lances 21 arranged at intervals along the length direction (e.g., the a direction in fig. 3) of the furnace roof 11, and the first group of top lances and the second group of top lances are arranged at intervals along the width direction (e.g., the B direction in fig. 3) of the furnace roof 11. According to the smelting device provided by the embodiment of the utility model, the injection effect of the top spray gun 21 can be improved by adopting the structural arrangement of the top spray gun 21 and the charging hole 15, and the materials introduced into the smelting tank 14 from the charging hole 15 can react more fully.
In some embodiments, as shown in fig. 1 to 3, the furnace wall 12 includes two side walls 121 and two end walls 122, the two side walls 121 are arranged opposite to each other in the width direction (e.g., the B direction in fig. 3) of the furnace body 1 and extend in the length direction (e.g., the a direction in fig. 3) of the furnace body 1, the two end walls 122 are arranged at intervals in the length direction of the smelting tank 14 and extend in the length direction of the furnace body 1, the side lance 22 is plural, and the plurality of side lances 22 are respectively arranged on the two side walls 121 and are arranged at intervals in the extending direction of the side walls 121. It can be understood that the furnace body 1 has a cube structure, the two side walls 121 form front and rear side walls of the furnace body 1, and the two end walls 122 form left and right side walls of the furnace body 1.
Specifically, as shown in fig. 1, the lower region of the side wall 121 is provided with a plurality of side air holes 1211, the side air holes 1211 are arranged at intervals along the length direction of the side wall 121, and a plurality of side lances 22 are inserted into the smelting tank 14 through the side air holes 1211, respectively.
In some embodiments, the length of the smelting tank 14 is L, the width of the smelting tank 14 is M, and the height of the smelting tank 14 is H, wherein 2.3.ltoreq.L/M.ltoreq. 2.8,0.8.ltoreq.H/M.ltoreq.1.2. It is understood that the L/M ratio may be 2.3, 2.5, 2.6, 2.7 or 2.8. The H/M ratio may be 0.8, 0.9, 1.0, 1.1 or 1.2. The inventor of the application finds through experimental study that when the length, the width and the height of the smelting pool 14 adopt the parameter ranges, the rationality of the design of the furnace body 1 can be improved, the risks of deformation and furnace leakage of the furnace body 1 are reduced, and the production efficiency is improved.
Optionally, a partition wall (not shown) is arranged in the furnace body 1, the upper end of the partition wall is connected with the furnace top 11, the lower end of the partition wall extends and is spaced from the furnace bottom 13, the partition wall divides the smelting pool 14 into a slag discharge area and a smelting reaction area, and a gas-phase smelting reaction area is arranged right above the smelting reaction area. It will be appreciated that the bottom of the smelting tank 14 has a layer of reaction slag and the partition wall extends between 100mm and 300mm into the layer of reaction slag so as not to interfere with the discharge of slag and to increase the rate of reaction of the materials in the smelting reaction zone.
Optionally, at least one of the top lance 21 and the side lance 22 is a single-pass lance or a multi-pass lance, it being understood that the top lance 21 is a single-pass lance or a multi-pass lance and the side lance 22 is a single-pass lance or a multi-pass lance, whereby flexibility in use of the smelting apparatus may be improved.
Optionally, at least one of the top lance 21 and the side lance 22 is a submerged combustion lance, a powder particle injection lance or an oxygen-enriched lance. It will be appreciated that the types of top lance 21 and side lance 22 may be selected in accordance with the different smelting materials in the smelting apparatus, and that the types of top lance 21 and side lance 22 are not particularly limited in this application.
When smelting copper, nickel and other sulphide ores, the side lance 22 and the top lance 21 are mainly oxygen-enriched lances so as to realize an oxygen-enriched smelting process.
When smelting iron-based multi-metal oxide raw materials such as laterite ore, vanadium titano-magnetite and the like, the side spray gun 22 can be a combination of a multi-channel submerged combustion spray gun or a powder particle spray gun or an oxygen-enriched spray gun, and the reduction smelting process is realized by controlling the atmosphere of a smelting reaction zone and a gas phase zone of a molten pool.
In some embodiments, as shown in fig. 1 and 3, the roof 11 is provided with smoke outlets 16, the smoke outlets 16 being spaced apart from the roof lance 21 along the length of the furnace body 1. It will be appreciated that the smoke outlet 16 is used to exhaust the smoke from the smelting pool 14, and that the smoke outlet 16 is spaced from the top lance 21 along the length of the furnace body 1 to enable smoother smoke discharge from the smelting pool 14.
Alternatively, as shown in FIGS. 1 and 3, a plurality of discharge ports 17 are provided below the furnace wall 12 or on the furnace bottom 13, and the plurality of discharge ports 17 are arranged at intervals in the circumferential direction of the furnace body 1. It is understood that the tap 17 may be a normal slag tap 17, a nickel matte tap 17 or an accident slag tap 17.
In example 1, the smelting plant is used for reduction smelting copper concentrate.
1. The length of the smelting pool is 15000mm, the width of the smelting pool is 6000mm, the height of the smelting pool is 6000mm, the liquid level of copper matte in the smelting pool is 800m, and the thickness of a slag layer is 700mm;
2. the side wall is provided with 38 side spray guns, and the air supply quantity of each side spray gun is 1000Nm 3 And/h, the oxygen enrichment concentration is 50% -90%, and the pressure is 120kPa-150kPa;
3. the furnace roof is provided with a plurality of top spray guns, and each air supply quantity is 800Nm 3 And/h, the oxygen enrichment concentration is 50% -90%, and the pressure is 200kPa-400kPa;
4. 8 charging ports are arranged on the furnace top, the diameter of each charging port is 350mm, and the charging ports are symmetrically arranged at two sides of the top spray gun;
5. 4 discharge ports are arranged on the furnace body, wherein 2 slag ports and 2 copper matte ports are formed in the furnace body;
6. the furnace body is provided with 1 smoke outlet, 4.5 multiplied by 2.7m and the smoke amount is 60000Nm 3 /h-95000Nm 3 /h；
The smelting device of the embodiment of the utility model can treat 140-160 ten thousand tons of copper concentrate each year.
In example 2, the smelting apparatus is used for reduction smelting laterite ore.
1. The length of the smelting tank is 16200mm, the width of the smelting tank is 6000mm, the height of the smelting tank is 6500mm, the liquid level of nickel matte in the smelting tank is 500m, and the thickness of a slag layer is 800mm;
2. the side wall is provided with 42 multi-channel side spray guns, and each air supply quantity is 800Nm 3 And/h, the oxygen enrichment concentration is 40% -80%, the pressure is 200kPa-400kPa, and the injection amount of each pulverized coal is 200-400kg/h;
3. the furnace roof is provided with 32 top spray guns, wherein 16 are only oxygen-enriched spray guns and 16 are only pulverized coal spray guns. 800Nm of air supply quantity per oxygen-enriched spray gun 3 And/h, the oxygen enrichment concentration is 50% -90%, and the pressure is 200kPa-400kPa. Each pulverized coal spray gun has 800 air supply quantity, 40% -80% oxygen enrichment concentration, 200kPa-400kPa pressure and 200-400kg/h pulverized coal spraying quantity.
4. The furnace body is provided with 8 charging ports, each charging port has a diameter of 400mm and is symmetrically arranged at two sides of the top spray gun, and the charging quantity of a single charging port is 10-50t/h
5. 5 melt discharge ports are arranged, wherein 2 normal slag discharge ports, 2 nickel matte discharge ports and 1 accident slag discharge port are arranged.
6. 1 smoke outlet is arranged, 4.5X3.2 m, and smoke amount is 60000Nm 3 /h-100000Nm 3 /h
7. The slag discharge area is separated from the smelting reaction area by a partition wall, and the partition wall penetrates 100mm-300mm below the slag layer.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.
Claims (10)
1. A smelting apparatus, comprising:
the furnace body comprises a furnace top, a furnace wall and a furnace bottom, wherein the furnace top is arranged at the lower end of the furnace wall, the furnace bottom is arranged at the lower end of the furnace wall, the furnace top, the furnace wall and the furnace bottom enclose a smelting pool, the smelting pool comprises a smelting reaction zone, a plurality of charging ports are arranged on the furnace top, and at least part of charging ports are arranged at intervals along the width direction of the furnace top;
the spray gun assembly comprises a top spray gun and a plurality of side spray guns, wherein the top spray gun penetrates through the furnace top and stretches into the smelting reaction zone, part of the side spray guns are arranged on one side of the furnace body in the width direction, the other part of the side spray guns are arranged on the other side of the furnace body in the width direction, and the side spray guns penetrate through the furnace wall and stretch into the smelting reaction zone.
2. The smelting apparatus of claim 1, wherein the charging ports include at least a first set of charging ports and a second set of charging ports, each of the first set of charging ports and the second set of charging ports including a plurality of charging ports arranged at intervals along a length direction of the roof, the first set of charging ports and the second set of charging ports being respectively arranged on both sides of the roof lance along a width direction of the roof.
3. The smelting apparatus of claim 1, wherein the top lance includes at least a first set of top lances and a second set of top lances, each of the first set of top lances and the second set of top lances including a plurality of top lances spaced apart along a length of the furnace roof, the first set of top lances and the second set of top lances being spaced apart along a width of the furnace roof.
4. The smelting device according to claim 1, wherein the furnace wall comprises two side walls and two end walls, the two side walls are arranged oppositely along the width direction of the furnace body and extend along the length direction of the furnace body, the two end walls are arranged at intervals along the length direction of the smelting tank and extend along the length direction of the furnace body, the side spray guns are multiple, and the side spray guns are respectively arranged on the two side walls and are arranged at intervals along the extending direction of the side walls.
5. The smelting apparatus of claim 1, wherein the length of the smelting tank is L and the width of the smelting tank is M, wherein 2.3L/M is 2.8.
6. The smelting apparatus of claim 5, wherein the height of the smelting tank is H, wherein 0.8.ltoreq.H/M.ltoreq.1.2.
7. The smelting apparatus according to claim 1, wherein a partition wall is provided in the furnace body, an upper end of the partition wall is connected to the furnace roof, a lower end of the partition wall extends and is spaced apart from the furnace bottom, and the partition wall divides the smelting tank into a slag discharge area and a smelting reaction area.
8. The smelting apparatus of claim 1, wherein at least one of the top lance and the side lance is a single channel lance or a multi-channel lance;
and/or at least one of the top lance and the side lance is a submerged combustion lance, a powder particle injection lance, or an oxygen-enriched lance.
9. The smelting apparatus of claim 1, wherein the furnace roof is provided with a smoke outlet spaced apart from the top lance along a length of the furnace body.
10. The smelting apparatus according to any one of claims 1 to 9, wherein a plurality of discharge ports are provided below the furnace wall and/or on the furnace bottom, and the plurality of discharge ports are arranged at intervals in a circumferential direction of the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322263250.1U CN220624850U (en) | 2023-08-22 | 2023-08-22 | Smelting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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