CN218097240U - Metal smelting furnace - Google Patents
Metal smelting furnace Download PDFInfo
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- CN218097240U CN218097240U CN202222243607.5U CN202222243607U CN218097240U CN 218097240 U CN218097240 U CN 218097240U CN 202222243607 U CN202222243607 U CN 202222243607U CN 218097240 U CN218097240 U CN 218097240U
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- Prior art keywords
- smelting furnace
- reaction tank
- spray gun
- flue
- limiting
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- 238000003723 Smelting Methods 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 title claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000002893 slag Substances 0.000 claims abstract description 35
- 239000007921 spray Substances 0.000 claims abstract description 33
- 238000004062 sedimentation Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- 239000005864 Sulphur Substances 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 7
- 239000003345 natural gas Substances 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 5
- 239000003546 flue gas Substances 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 239000013049 sediment Substances 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000009856 non-ferrous metallurgy Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 23
- 229910052759 nickel Inorganic materials 0.000 description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 9
- 239000000779 smoke Substances 0.000 description 7
- 239000000395 magnesium oxide Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000011449 brick Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- -1 i.e. Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model belongs to the technical field of nonferrous metallurgy, concretely relates to metal smelting furnace. The specific technical scheme is as follows: a metal smelting furnace comprises a reaction tank and a sedimentation tank communicated with the reaction tank, wherein the outer wall of the reaction tank is provided with a plurality of limiting parts for a spray gun to extend into and fix, and the limiting parts and the spray gun are sealed by a sealing element passing through; still including the intercommunication the flue of sedimentation tank, be provided with detachable filtering mechanism on the flue. The utility model discloses a natural gas is blown to impoverishment district slag blanket in the smelting furnace to the spray gun side-blown, and the increase molten bath stirs for mass transfer heat transfer speed between the fuse-element, reaction dynamics condition in the reinforcing stove reduces the magnetic iron content in the sediment, reduces the slag viscosity, improves the comprehensive rate of recovery of valuable metal. The gap at the connection part of the spray gun and the smelting furnace is sealed by a sealing element, so that good sealing performance is provided for the device. The filtering mechanism can purify the dust particles in the flue gas.
Description
Technical Field
The utility model belongs to the technical field of nonferrous metallurgy, concretely relates to metal smelting furnace.
Background
The flash smelting process is a suspension smelting process with strong oxidation, the product low-nickel matte is discharged from the front of the furnace, and the slag is stored in a slag yard after water quenching. In recent years, under the influence of continuous rising of MgO in raw materials, the viscosity of slag is increased, a sticky slag layer is raised, the clarification separation of slag copper in a depletion area is incomplete, the loss degree of nickel contained in slag in a mechanical inclusion form is increased, the nickel contained in tailings is higher, the direct nickel yield of a flash furnace system is lower, the average nickel content of the flash furnace in 2021 year is higher than a control index of 0.129%, and the nickel content is estimated to be about 645t more frequently carried out every year.
Particularly, in the process of continuously expanding the on-line production capacity of the flash furnace, gradually reducing the supply of low-magnesium high-concentrate and gradually increasing the oxygen-enriched concentration in the future, the influence of adverse factors such as slag copper clarification and separation time, increased magnesium oxide contained in the slag, increased viscosity, further increased magnetic iron oxide content along with the increase of oxygen potential and the like is caused, the loss amount of mechanical impurities of copper and nickel in the slag is increased, the nickel content of the slag is further deteriorated, and the reduction of valuable metal contained in the slag faces a greater challenge.
At present, the reductant of adding in the operation process is mainly lump coal, the main problem of existence is that the lump coal floats only with slag surface contact on the molten bath surface after adding, unable and slag fully contact reaction, the reduction effect is limited, the low-usage, valuable metal comprehensive recovery in the influence sediment, consequently, adopt the spray gun side-blown to drum into the natural gas and increase the molten bath and stir, accelerate mass transfer heat transfer rate between the fuse-element, thereby reduce magnetic iron content in the sediment, reduce the slag viscosity, improve valuable metal's comprehensive recovery rate, but during the spray gun disect insertion smelting furnace rate of recovery, certain space exists in its junction, the leakproofness is not good, so the utility model provides a can realize the sealed sealing member of spray gun and smelting furnace junction.
Disclosure of Invention
The utility model provides a metal smelting furnace to the problem that dust collecting system exists of discharging fume from hot stove smelting furnace.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: the smelting furnace comprises a reaction tank and a sedimentation tank communicated with the reaction tank, wherein the outer wall of the reaction tank is provided with a plurality of limiting parts for the spray guns to extend into and fix, and the limiting parts and the spray guns are sealed by sealing elements;
still including the intercommunication the flue of sedimentation tank, be provided with detachable filtering mechanism on the flue.
Preferably, the following components: the limiting part is funnel-shaped, the small-diameter end of the limiting part is communicated with the reaction tank, and the limiting part is sleeved on the spray gun.
Preferably: the spray gun is sleeved with a fixing ring, the peripheral face of the fixing ring is fixedly connected with the sealing element, the sealing element is of a conical structure, and the outer wall of the sealing element is attached to the peripheral face of the inner wall of the limiting piece.
Preferably: still include chucking spare, chucking spare can dismantle the connection the terminal surface of the big footpath end of locating part, and it is spacing the sealing member.
Preferably: the flue bottom with sedimentation tank top intercommunication, the inboard of its top end face is provided with breach portion, breach portion with filtering mechanism can dismantle the connection.
Preferably: the filter mechanism comprises a filter screen, a plurality of connecting pieces are arranged at the edge of the peripheral surface of the filter screen, and the connecting pieces are fixedly connected with a limiting block;
the fixing piece is characterized by further comprising a fixing piece, wherein a limiting groove is formed in the side wall of the fixing piece, and the connecting piece is located in a vertical opening of the limiting groove and penetrates through the limiting groove.
Preferably, the following components: the mounting bottom is provided with the draw-in groove, the draw-in groove opening is down and the joint is in on the flue, and cover the stopper.
Preferably: the reaction tank comprises a feed inlet arranged at the top, and the bottom of the reaction tank is communicated with the top of the sedimentation tank.
Preferably: the sedimentation tank both sides set up slag notch and sulphur and put the mouth, the height that the mouth was put to sulphur is less than the height of slag notch.
The invention has the following beneficial effects:
(1) The utility model discloses a natural gas is blown to impoverishment district slag layer drum in the smelting furnace to the spray gun side-blown, and the increase molten bath stirs for the mass transfer heat transfer rate between the fuse-element, reaction dynamics condition in the reinforcing stove reduces the magnetic iron content in the sediment, reduces the slag viscosity, makes during the abundant matte entering nickel matte of valuable metal, improves the comprehensive rate of recovery of valuable metal. The gap at the connection part of the spray gun and the smelting furnace is sealed by the sealing element, so that good sealing performance is provided for the device.
(2) The filtering mechanism can purify the dust particles in the flue gas.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic view of the structure of the filtering mechanism of the present invention;
reference numerals: the device comprises a furnace wall 1, a feed inlet 2, a smoke outlet 3, a filter screen 31, a connecting piece 32, a limiting block 33, a fixing piece 34, a slag outlet 4, a sulfur discharging port 5, a spray gun 6, a fixing ring 7, a sealing piece 8, a limiting piece 9, a clamping piece 10, a reaction tank 11, a flue 12, a sedimentation tank 13, a depletion region slag layer 14, tailings 15 and nickel sulfur 16.
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. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-2, the utility model discloses a metal smelting furnace, which comprises a reaction tank 11 and a sedimentation tank 13 communicated with the reaction tank 11, wherein the outer wall of the reaction tank 11 is provided with a plurality of limiting parts 9 for the spray guns 6 to extend into and fix, and the limiting parts 9 are sealed with sealing parts 8 passing through between the spray guns 6; the device further comprises a flue 12 communicated with the sedimentation tank 13, and a detachable filtering mechanism is arranged on the flue 12.
Specifically, a reaction tank 11 and a flue 12 are arranged above the sedimentation tank 13 and are communicated with each other. The furnace shell of the smelting furnace is made of a boiler steel plate, the furnace wall 1 is made of materials with high temperature resistance, high strength, low electric conductivity, low thermal conductivity, good chemical stability and other properties, such as chrome magnesia bricks, and asbestos plates are filled between the chrome magnesia bricks and the chrome magnesia bricks for heat insulation.
In order to improve the comprehensive recovery rate of valuable metals, natural gas is forcibly blown into a slag layer 14 in a depletion area of a smelting furnace to increase the stirring of a reaction tank 11, accelerate the mass and heat transfer speed between melts and enhance the reaction kinetic conditions in the furnace, and reducing gas CO generated by incomplete combustion of the natural gas is utilized to perform reduction reaction with valuable metal oxides in slag, so that the content of magnetic iron in the slag is reduced, the viscosity of the slag is reduced, and the valuable metals are fully sulfonium and enter nickel matte.
In this embodiment, a spray gun 6 is used to blow natural gas into a slag layer 14 in a depletion region by side blowing, one end of the spray gun 6 is inserted into the slag layer 14 in the depletion region in a reaction tank 11 through a limiting member 9, and the other end of the spray gun 6 is connected with a conveying pipeline for four gases, i.e., natural gas, compressed air, nitrogen, oxygen, etc., and the conveying of the gas in the spray gun is controlled by a valve on the conveying pipeline. The gap between the limiting element 9 and the spray gun 6 is sealed by a sealing element 8. Meanwhile, considering that the smoke discharged from the reaction tank 11 contains a large amount of particles, a filter mechanism which is convenient to detach and mount is mounted at the smoke outlet 3 of the smoke flue 12.
The sealing element 8 is made of elastic materials, when the spray gun 6 extends into the reaction tank 11, the sealing element 8 is in a squeezed state, the outer diameter of the squeezed part of the sealing element is the same as the diameter of a through hole communicated with the limiting element 9 and the reaction tank 11, a small part of the sealing element 8 is positioned in the furnace wall 1 of the smelting furnace, and a large part of the sealing element 8 is positioned in the limiting element 9. The limiting member 9 is made of a high-temperature-resistant material with low thermal conductivity.
In order to enable the joint of the limiting part 9 and the spray gun 6 to be more attached, the limiting part 9 is funnel-shaped, the small-diameter end of the limiting part is communicated with the reaction tank 11, and the limiting part 9 is sleeved on the spray gun 6.
As shown in fig. 2, further, a fixing ring 7 is sleeved on the spray gun 6, the outer peripheral surface of the fixing ring 7 is fixedly connected to the sealing member 8, the sealing member 8 is in a conical structure, and the outer wall of the sealing member is attached to the peripheral surface of the inner wall of the limiting member 9.
Specifically, the limiting member 9 is a funnel structure, and the sealing member 8 needs to be attached to the inner wall peripheral surface of the limiting member 9, so that the sealing member 8 has a tapered structure.
When the sealing member 8 is fixedly connected to the spray gun 6 through the fixing ring 7, a trapezoidal structure matched with the inner wall of the limiting member 9 is integrally formed, the small-diameter end of the sealing member 8 moves along with the movement of the spray gun 6 towards the interior of the reaction tank 11, the small-diameter end is positioned at the connecting position of the limiting member 9 and the reaction tank 11, namely the part in the through hole, and after being extruded, the outer diameter of the sealing member is reduced and is matched with the diameter of the through hole. Meanwhile, the two ends of the extruded part expand, so that the outer diameters of the two sides are larger than the diameter of the through hole, and the sealing effect is realized.
Further, still include chucking spare 10, chucking spare 10 detachable connection the terminal surface of the big footpath end of locating part 9, and it is spacing sealing member 8.
Specifically, the clamping member 10 may be a plate or a ring, in this embodiment, for better appearance and fitting to the limiting member 9, the clamping member 10 is of a ring structure, wherein an outer diameter of the clamping member 10 is greater than a diameter of a large-diameter end of the limiting member 9, an inner diameter of the clamping member is greater than a diameter of the spray gun 6, and is smaller than the diameter of the large-diameter end of the limiting member 9, so that the sealing member 8 is limited.
Bolt holes are respectively formed in the positions, attached to the clamping piece 10, of the limiting piece 9, one end of each bolt penetrates through the corresponding bolt hole, and the bolt holes are screwed up with nuts to achieve bolt connection.
As shown in fig. 3, considering that the smoke discharged from the smoke outlet 3 contains a large amount of dust particles, and therefore needs to be purified, the bottom of the flue 12 is communicated with the top of the sedimentation tank 13, and a notch portion is arranged on the inner side of the top end surface of the flue, and the notch portion is detachably connected with the filtering mechanism.
Specifically, on one hand, the filtering mechanism filters the flue gas for a long time, and a large amount of dust particles can be attached to the filtering mechanism, so that the flue 12 is blocked, and the filtering performance of the flue gas is affected; on the other hand, since the smoke is corrosive, the filter mechanism is corroded and damaged when it is operated for a long time. In order to avoid both of these situations, the filter mechanism must be periodically removed for cleaning or replacement.
Further, the filtering mechanism comprises a filter screen 31, a plurality of connecting pieces 32 are arranged at the edge of the peripheral surface of the filter screen 31, and the connecting pieces 32 are fixedly connected with a limiting block 33; still include mounting 34, be provided with the spacing groove on the mounting 34 lateral wall, connecting piece 32 is located in the vertical opening of spacing groove, and passes the spacing groove.
Specifically, in this embodiment, four connecting members 32 are used, and the connecting members 32 may be screws or steel wires with certain flexibility. And the size of the limiting groove opening is matched with the connecting piece 32.
When the connecting member 32 is inserted into the limiting groove of the fixing member 34, the movement of the limiting block 33 fixedly connected with the connecting member 32 in the horizontal direction is limited by the fixing member 34, so that the fixing member 34 fixes and limits the movement of the limiting block 33. Wherein the aperture of the filter screen 31 is smaller than the diameter of the dust particles, so that the dust particles in the flue gas can be filtered.
Further, a clamping groove is arranged at the bottom of the fixing piece 34, the opening of the clamping groove faces downwards and is clamped on the flue 12, and the clamping groove covers the limiting block 33.
Specifically, the fixing member 34 is of an annular structure, and the width of the slot at the bottom of the fixing member is just capable of accommodating the wall of the flue 12 and the limiting block 33, so that the limiting block 33 is fixed to the wall of the flue 12 through the fixing member 34.
Further, the reaction tank 11 comprises a feed inlet 2 arranged at the top, and the bottom of the reaction tank 11 is communicated with the top of the sedimentation tank 13.
Specifically, go into required material of stove and need get into in the stove through charge door 2, and in order to prevent that the material from falling out of charge door 2, charge door 2 sets up to funnel-shaped structure.
Further, slag notch 4 and sulphur are put out to 13 both sides of sedimentation tank and are set up mouth 5, the height that the mouth 5 was put to sulphur is less than the height of slag notch 4.
Specifically, the reaction tank 11 is filled with depletion zone slag, and tailings and nickel matte are generated in the sedimentation tank 13 through a series of reactions. The metal particles formed in the slag layer enter the matte phase through polymerization and sedimentation, a large contact interface is formed between the metal particles and the matte phase, the metal phase vulcanization reaction is carried out on the interface, and the smelted nickel matte is positioned below the tailing layer, so that the position of the sulfur tap hole 5 is lower than that of the slag tap hole 4.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various changes, modifications, amendments, and substitutions made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (9)
1. A metal melting furnace, characterized by: the smelting furnace comprises a reaction tank (11) and a sedimentation tank (13) communicated with the reaction tank (11), wherein the outer wall of the reaction tank (11) is provided with a plurality of limiting pieces (9) for the spray guns (6) to extend into and fix, and the limiting pieces (9) are sealed with sealing pieces (8) passing through the spray guns (6);
the device is characterized by further comprising a flue (12) communicated with the sedimentation tank (13), wherein a detachable filtering mechanism is arranged on the flue (12).
2. A metal smelting furnace according to claim 1, characterized by: the limiting piece (9) is funnel-shaped, the small-diameter end of the limiting piece is communicated with the reaction tank (11), and the limiting piece (9) is sleeved on the spray gun (6).
3. A metal smelting furnace according to claim 2, characterized by: the spray gun is characterized in that a fixing ring (7) is sleeved on the spray gun (6), the peripheral surface of the fixing ring (7) is fixedly connected with the sealing element (8), the sealing element (8) is of a conical structure, and the outer wall of the sealing element is attached to the peripheral surface of the inner wall of the limiting piece (9).
4. A metal smelting furnace according to claim 3, characterized by: the sealing element is characterized by further comprising a clamping piece (10), wherein the clamping piece (10) is detachably connected with the end face of the large-diameter end of the limiting piece (9) and is limited by the sealing element (8).
5. A metal smelting furnace according to claim 1, characterized by: flue (12) bottom with sedimentation tank (13) top intercommunication, the inboard of its top terminal surface is provided with breach portion, breach portion with filtering mechanism can dismantle the connection.
6. A metal smelting furnace according to claim 1, characterized by: the filter mechanism comprises a filter screen (31), a plurality of connecting pieces (32) are arranged at the edge of the peripheral surface of the filter screen (31), and the connecting pieces (32) are fixedly connected with a limiting block (33);
still include mounting (34), be provided with the spacing groove on mounting (34) lateral wall, connecting piece (32) are located in the vertical opening of spacing groove, and pass the spacing groove.
7. A metal smelting furnace according to claim 6, characterized by: the fixing piece (34) bottom is provided with the draw-in groove, the draw-in groove opening down and the joint be in on flue (12), and cover stopper (33).
8. A metal smelting furnace according to claim 1, characterized by: the reaction tank (11) comprises a feeding port (2) arranged at the top, and the bottom of the reaction tank (11) is communicated with the top of the sedimentation tank (13).
9. A metal smelting furnace according to claim 1, characterized by: the sedimentation tank (13) both sides set up slag notch (4) and sulphur and put mouth (5), the height that the mouth (5) was put to sulphur is less than the height of slag notch (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222243607.5U CN218097240U (en) | 2022-08-25 | 2022-08-25 | Metal smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222243607.5U CN218097240U (en) | 2022-08-25 | 2022-08-25 | Metal smelting furnace |
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| CN218097240U true CN218097240U (en) | 2022-12-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116926340A (en) * | 2023-07-07 | 2023-10-24 | 中国矿业大学(北京) | Bottom blowing immersion type melting separation device and method for circuit board |
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2022
- 2022-08-25 CN CN202222243607.5U patent/CN218097240U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116926340A (en) * | 2023-07-07 | 2023-10-24 | 中国矿业大学(北京) | Bottom blowing immersion type melting separation device and method for circuit board |
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