CN107674983A - The smelting device and method of arsenic ice iron mixing process arsenic-containing smoke dust - Google Patents
The smelting device and method of arsenic ice iron mixing process arsenic-containing smoke dust Download PDFInfo
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- CN107674983A CN107674983A CN201711141693.6A CN201711141693A CN107674983A CN 107674983 A CN107674983 A CN 107674983A CN 201711141693 A CN201711141693 A CN 201711141693A CN 107674983 A CN107674983 A CN 107674983A
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- arsenic
- external crucible
- heater
- smoke dust
- containing smoke
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- 229910052785 arsenic Inorganic materials 0.000 title claims abstract description 110
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 109
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000000428 dust Substances 0.000 title claims abstract description 43
- 239000000779 smoke Substances 0.000 title claims abstract description 43
- 230000008569 process Effects 0.000 title claims abstract description 31
- 238000002156 mixing Methods 0.000 title claims abstract description 29
- 238000003723 Smelting Methods 0.000 title claims abstract description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000001301 oxygen Substances 0.000 claims abstract description 51
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 51
- 238000009413 insulation Methods 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000012043 crude product Substances 0.000 claims abstract description 20
- 238000007664 blowing Methods 0.000 claims abstract description 18
- 238000007670 refining Methods 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 238000001556 precipitation Methods 0.000 claims abstract description 9
- 238000009867 copper metallurgy Methods 0.000 claims abstract description 8
- 239000003500 flue dust Substances 0.000 claims description 39
- 239000002802 bituminous coal Substances 0.000 claims description 24
- 238000006253 efflorescence Methods 0.000 claims description 24
- 206010037844 rash Diseases 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 18
- 230000008676 import Effects 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 13
- 239000003245 coal Substances 0.000 claims description 12
- 239000002893 slag Substances 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 9
- 239000011449 brick Substances 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims 1
- 239000000047 product Substances 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 239000011133 lead Substances 0.000 description 33
- 101100226116 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) esa-1 gene Proteins 0.000 description 8
- 239000002585 base Substances 0.000 description 7
- GOLCXWYRSKYTSP-UHFFFAOYSA-N Arsenious Acid Chemical compound O1[As]2O[As]1O2 GOLCXWYRSKYTSP-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 244000144985 peep Species 0.000 description 4
- HJTAZXHBEBIQQX-UHFFFAOYSA-N 1,5-bis(chloromethyl)naphthalene Chemical compound C1=CC=C2C(CCl)=CC=CC2=C1CCl HJTAZXHBEBIQQX-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009856 non-ferrous metallurgy Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- IHBMMJGTJFPEQY-UHFFFAOYSA-N sulfanylidene(sulfanylidenestibanylsulfanyl)stibane Chemical compound S=[Sb]S[Sb]=S IHBMMJGTJFPEQY-UHFFFAOYSA-N 0.000 description 2
- 206010003694 Atrophy Diseases 0.000 description 1
- 241000722270 Regulus Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- MJLGNAGLHAQFHV-UHFFFAOYSA-N arsenopyrite Chemical compound [S-2].[Fe+3].[As-] MJLGNAGLHAQFHV-UHFFFAOYSA-N 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052971 enargite Inorganic materials 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- YZLDZQVPPLMHGJ-UHFFFAOYSA-N iron(2+);sulfane Chemical compound S.[Fe+2] YZLDZQVPPLMHGJ-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 231100000004 severe toxicity Toxicity 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/02—Working-up flue dust
-
- 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
- C22B13/00—Obtaining lead
- C22B13/02—Obtaining lead by dry processes
- C22B13/025—Recovery from waste materials
-
- 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
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0056—Scrap treating
-
- 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
- C22B30/00—Obtaining antimony, arsenic or bismuth
- C22B30/04—Obtaining arsenic
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
- C22B7/004—Dry processes separating two or more metals by melting out (liquation), i.e. heating above the temperature of the lower melting metal component(s); by fractional crystallisation (controlled freezing)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a kind of smelting device and method of arsenic ice iron mixing process arsenic-containing smoke dust, the smelting device includes the oxygen-enriched side-blowing furnace and insulation external crucible that connection is set, by being refined under given conditions to refining lead copper metallurgy arsenic-containing smoke dust first with oxygen-enriched side-blowing furnace, obtain metal mixing crude product feeding insulation external crucible and precipitation separation is carried out in the case where imposing a condition, realize being kept completely separate for valuable metal, lead positioned at the bottom and the matte positioned at the second layer are used in industrial production directly as product, arsenic ice iron positioned at third layer is safe and non-toxic, available for mechanical counterweight industry, it is big to efficiently solve arsenic-containing smoke dust intractability in the prior art, the problems such as easily being polluted to environment；Apparatus of the present invention realize the synthetical recovery of valuable metal while realization is effectively treated to arsenic-containing smoke dust.
Description
Technical field
The invention belongs to metallurgical technology field, and in particular to a kind of smelting device of arsenic ice iron mixing process arsenic-containing smoke dust and
Method.
Background technology
In nature, arsenic generally with mineral such as mispickel, arsenic magnetic iron ore, symplesite, enargite, realgars, is enriched in
In the nonferrous metallic ores such as copper, lead, zinc, nickel, cobalt, gold and silver.In Nonferrous Metallurgical Process, many high arsenic solid materials of output,
Such as roasting and melting flue dust.These materials are up to 5-50% containing arsenic, also containing substantial amounts of valuable metal, directly return and smelt stream
Journey, cause the circulative accumulation of arsenic in systems, therefore, generally should individually handle dearsenification.Arsenic category severe toxicity, carcinogenic elements, it is applied
Progressively atrophy, in face of increasingly strict environmental protection standard, how to handle various high-arsenic materials, it has also become threaten the life of nonferrous metallurgy industry
The significant problem deposited.
The method of processing arsenic-containing smoke dust is mainly two classes at present, when fire concentrate, second, wet separation.Pyrogenic process produces
In, mainly using the oxide of arsenic and the difference of other elements oxide boiling point, arsenic is separated with other elements.
CN103602835A discloses a kind of displacement reducing process acquisition crude arsenic and needle antimony, CN103602834A and discloses a kind of selective oxygen
Change-reduction obtains the not high As of purity2O3And needle antimony, CN104294053A disclose a kind of side of arsenic-containing smoke dust reduction volatilization arsenic
Method, the purity for obtaining arsenic trioxide reach more than 97.0%.But if contain the gold close with arsenic element property in flue dust
Belong to (such as antimony), then the arsenic trioxide purity obtained is not high.Mainly there are water logging, acidleach, alkali to soak three kinds of techniques in wet production, but
It is that can only obtain the products such as the not high arsenic trioxide of purity, natrium arsenicum, and the recovery of valuable metal powder is not done and further ground
Study carefully.
Dearsenification, the research paper for extracting valuable metal and Patents report are many from flue dust, but valuable metal be present
Comprehensive recovery is low, and arsenic product market is limited, potential potential safety hazard be present.Therefore, prior art could be improved and develop.
The content of the invention
In order to solve above mentioned problem existing for prior art, the invention provides a kind of mixing process cigarette containing arsenic of arsenic ice iron
The smelting device and method of dirt.The inventive method obtains while valuable metal lead and copper can be reclaimed effectively from arsenic-containing smoke dust
The safety arsenic ice iron of product containing arsenic, have the advantages that environmental protection, economic, energy-conservation, resource utilization are high.
The technical solution adopted in the present invention is：
Before a kind of smelting device of arsenic ice iron mixing process arsenic-containing smoke dust, including the oxygen-enriched side-blowing furnace of connection setting and insulation
Bed；
The oxygen-enriched side-blowing furnace includes body of heater, and the bottom of the body of heater sets discharging opening and waste residue outlet, the body of heater
Top flue dust import and remaining flue dust output channel are set, be provided for inputting oxygen to the body of heater in the middle part of the body of heater
Air inlet and the first pci port for spraying from fine coal to the body of heater, first pci port sets less than the air inlet
Put；
The insulation external crucible includes external crucible body and insulation cover furnace roof, and the insulation cover furnace top cover is together in the external crucible body
Top, there is molten bath, the insulation cover furnace roof, which is provided with, to be used for external crucible body injection fine coal in the external crucible body
The second pci port and charging aperture, the charging aperture connects setting, the external crucible body with the discharging opening of the oxygen-enriched side-blowing furnace
Upper to set multiple discharge gates and slag-drip opening, the slag-drip opening is set higher than the discharge gate；Second pci port, charging aperture,
Slag-drip opening, discharge gate connect with the molten bath.
The air inlet setting is multiple, and circumference of the multiple air inlet along the body of heater is uniformly arranged.
The discharge gate includes matte outlet, arsenic ice iron outlet, the lead outlet from top to bottom set gradually.
The matte outlet, arsenic ice iron outlet, lead outlet are siphon port.
The external crucible body is piled up by refractory brick to be formed；
The external crucible body be shaped as cuboid, the outer wall of the external crucible body is provided with box hat；
The outer wall of the box hat is provided with multiple reinforcements for reinforcing, and multiple reinforcements are steel tank；
The bottom of the external crucible body is provided with the base for external crucible body described in support.
A kind of smelting process that arsenic ice iron mixing process arsenic-containing smoke dust is carried out based on described device, is comprised the following steps：
(S1) arsenic-containing smoke dust for refining lead copper metallurgy industry discharge is sent into body of heater by flue dust import；
(S2) oxygen-enriched air is sent into air inlet, the good bituminous coal of efflorescence, regulation oxygen excess system is sprayed into by the first pci port
Number α values are 1.1-1.5, and the bituminous coal for making efflorescence good fully burns in body of heater, and arsenic-containing smoke dust is heated and keeps its temperature to be
1300-1350 DEG C, the metal for obtaining molten state is kneaded crude product；
(S3) metal obtained by step (S2) is kneaded crude product and is sent into insulation from the charging aperture of discharging opening output and warm external crucible
In the molten bath of external crucible, the good bituminous coal of efflorescence is sprayed into molten bath by the second pci port, the bituminous coal for making efflorescence good fills in molten bath
Divided combustion, it is 1300-1350 DEG C that metal crude product, which is heated, and keeps its temperature, it is carried out precipitation separation, is formed from top to bottom
Molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer are followed successively by, the slag positioned at the superiors is discharged from slag-drip opening, matte,
Arsenic ice iron, lead are discharged and collected from respective discharge gate, are smelted and are completed.
Matte is copper matte regulus, lead matte, the mixed melting body of iron sulfonium, reported, and can directly be used as valuable metal product before
In industrial production.
Arsenic ice iron is a kind of metal melting body that the present inventor has found in studying for a long period of time, safe and non-toxic, will not be to environment
Pollute, can be used as mechanical counterweight, mainly containing Fe, As, Cu, Pb and a small amount of impurity, wherein mass fraction containing Fe is 69-
74%th, mass fraction containing As be 25-30%, the Fen of mass containing Cu Shuo≤1%, Wei≤1% of mass fraction containing Pb.
In step (S2), after unreacted flue dust is exported by the remaining flue dust output channel, sent again from charging aperture
Enter body of heater and carry out secondary refining.
In step (S2), the wind speed that the oxygen-enriched air is passed through is 260-350m/s.
In step (S2), the peroxide factor alpha value is 1.2-1.4, and the heating-up temperature is 1300 DEG C.
In step (S3), when carrying out precipitation separation, the heating-up temperature is 1300 DEG C.
Beneficial effects of the present invention are：
The smelting device of arsenic ice iron mixing process arsenic-containing smoke dust of the present invention, including the oxygen-enriched side-blowing furnace that connection is set
With insulation external crucible, by being refined under given conditions to refining lead copper metallurgy arsenic-containing smoke dust first with oxygen-enriched side-blowing furnace, gold is obtained
Category is kneaded crude product feeding insulation external crucible and precipitation separation is carried out in the case where imposing a condition, and being kept completely separate for valuable metal is realized, positioned at most
The lead of bottom and positioned at the second layer matte directly as product be used for industrial production in, positioned at the arsenic ice iron safety nothing of third layer
Poison, available for mechanical counterweight industry, it is big to efficiently solve arsenic-containing smoke dust intractability in the prior art, and easily environment is polluted
The problems such as；Apparatus of the present invention realize the synthetical recovery of valuable metal while realization is effectively treated to arsenic-containing smoke dust.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the arsenic ice iron mixing process arsenic-containing smoke dust smelting device that an embodiment of the present invention provides
Figure；
Fig. 2 is the right view of insulation external crucible of the present invention.
1- bodies of heater in figure, 11- discharging openings, 12- waste residue outlets, 13- flue dust imports, 14- residue flue dust output channels,
15- air inlets, the pci ports of 16- first, 2- external crucible bodies, the pci ports of 21- second, 22- charging apertures, 23- slag-drip openings, 24- matte
Outlet, 25- arsenic ice iron outlets, 26- lead outlets, 27- refractory brick, 28- molten baths, 3- insulation cover furnace roofs, the observation of 31- furnace roofs
Hole, 4- box hats, 5- reinforcements, 6- bases.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belong to the scope that the present invention is protected.
Embodiment 1
The present embodiment provides a kind of smelting device of arsenic ice iron mixing process arsenic-containing smoke dust, as shown in figure 1, being set including connection
The oxygen-enriched side-blowing furnace and insulation external crucible put.
The oxygen-enriched side-blowing furnace includes body of heater 1, and the height of the body of heater 1 is 5.6m；The bottom of the body of heater 1 sets discharging
Mouth 11 and waste residue outlet 12, the top of the body of heater 1 set flue dust import 13 and remaining flue dust output channel 14, the residue
The length of flue dust output channel 14 is 128-132m.The middle part of the body of heater 1 is provided for entering to the body of heater 1 input oxygen
Air port 15 and the first pci port 16 for spraying fine coal to the body of heater 1, first pci port 16 are less than the air inlet
15 are set.As the embodiment that can be selected, air inlet 15 described in the present embodiment and horizontal angle are 14.6 °, i.e.,
Air blast angle is 14.6 °；First pci port 16 is 15 ° with horizontal angle theta.The air inlet 15 sets multiple, institute
Circumference of multiple air inlets 15 along the body of heater 1 is stated to be uniformly arranged.
The insulation external crucible includes external crucible body 2 and insulation cover furnace roof 3；In the present embodiment, the external crucible body 2 is by fire resisting
Brick 27, which is piled up, to be formed；The external crucible body 2 be shaped as cuboid, the outer wall of the external crucible body 2 is provided with box hat 4；It is described
The outer wall of box hat 4 is provided with multiple reinforcements 5 for reinforcing, and multiple reinforcements 5 are steel tank.The external crucible body 2
Bottom be provided with for external crucible body 2 described in support base 6.
The insulation cover furnace roof 3 is covered on the top of the external crucible body 2, and the center of the insulation cover furnace roof 3, which is run through, to be set
Put furnace roof peep hole 31.There is molten bath 28, the insulation cover furnace roof 3, which is provided with, to be used for the external crucible in the external crucible body 2
Body 2 sprays the second pci port 21 (see Fig. 2) and charging aperture 22 of fine coal, and the charging aperture 22 goes out with the oxygen-enriched side-blowing furnace
The connection of material mouth 11 is set, and sets multiple discharge gates and slag-drip opening 23 on the external crucible body 2, the slag-drip opening 23 is higher than the row
Material mouth is set；Second pci port 21, charging aperture 22, slag-drip opening 23, discharge gate connect with the molten bath 28.As can be with
The embodiment of selection, the second pci port 21 and horizontal angle δ is 14.6 ° described in the present embodiment.The discharge gate bag
Include the matte outlet 24 from top to bottom set gradually, arsenic ice iron outlet 25, lead outlet 26, and the matte outlet
24th, arsenic ice iron outlet 25, lead outlet 26 are siphon port.
Further, the present embodiment also provides the smelting side that arsenic ice iron mixing process arsenic-containing smoke dust is carried out based on described device
Method, comprise the following steps：
(S1) arsenic-containing smoke dust for refining lead copper metallurgy industry discharge is sent into body of heater 1 by flue dust import 13；
(S2) oxygen-enriched air is sent into air inlet 15, the wind speed that the oxygen-enriched air is passed through is 260m/s, the oxygen-enriched sky
The air blast angle of gas is 14.6 °；The good bituminous coal of efflorescence is sprayed into by the first pci port 16, regulation oxygen surplus coefficient α values are 1.1,
The good bituminous coal of efflorescence is set fully to be burnt in body of heater 1, it is 1300 DEG C to be heated to arsenic-containing smoke dust and keep its temperature, obtains molten state
Metal be kneaded crude product；After unreacted flue dust is exported by the remaining flue dust output channel 14, sent again from charging aperture 22
Enter body of heater 1 and carry out secondary refining；
(S3) metal mixing crude product is exported from discharging opening 11 obtained by step (S2) and the charging aperture of warm external crucible 22 is sent into
It is incubated in the molten bath 28 of external crucible, the good bituminous coal of efflorescence is sprayed into molten bath 28 by the second pci port 21, spray angle δ is 15 °,
So that the good bituminous coal of efflorescence fully burns in molten bath 28, it is 1300 DEG C that metal crude product, which is heated, and keeps its temperature, enters it
Row precipitation separation, formation is from top to bottom followed successively by molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer, positioned at the superiors
Slag is discharged from slag-drip opening 23, and matte, arsenic ice iron, lead are discharged and collected from respective discharge gate, is smelted and is completed.
Embodiment 2
The present embodiment provides a kind of smelting device of arsenic ice iron mixing process arsenic-containing smoke dust, including the oxygen-enriched side that connection is set
Blown converter and insulation external crucible.
The oxygen-enriched side-blowing furnace includes body of heater 1, and the height of the body of heater 1 is 5.6m；The bottom of the body of heater 1 sets discharging
Mouth 11 and waste residue outlet 12, the top of the body of heater 1 set flue dust import 13 and remaining flue dust output channel 14, the residue
The length of flue dust output channel 14 is 128-132m.The middle part of the body of heater 1 is provided for entering to the body of heater 1 input oxygen
Air port 15 and the first pci port 16 for spraying fine coal to the body of heater 1, first pci port 16 are less than the air inlet
15 are set.As the embodiment that can be selected, air inlet 15 described in the present embodiment and horizontal angle are 14.6 °, i.e.,
Air blast angle is 14.6 °；First pci port 16 is 30 ° with horizontal angle theta.The air inlet 15 sets multiple, institute
Circumference of multiple air inlets 15 along the body of heater 1 is stated to be uniformly arranged.
The insulation external crucible includes external crucible body 2 and insulation cover furnace roof 3；In the present embodiment, the external crucible body 2 is by fire resisting
Brick 27, which is piled up, to be formed；The external crucible body 2 be shaped as cuboid, the outer wall of the external crucible body 2 is provided with box hat 4；It is described
The outer wall of box hat 4 is provided with multiple reinforcements 5 for reinforcing, and multiple reinforcements 5 are steel tank.The external crucible body 2
Bottom be provided with for external crucible body 2 described in support base 6.
The insulation cover furnace roof 3 is covered on the top of the external crucible body 2, and the center of the insulation cover furnace roof 3, which is run through, to be set
Put furnace roof peep hole 31.There is molten bath 28, the insulation cover furnace roof 3, which is provided with, to be used for the external crucible in the external crucible body 2
Body 2 sprays the second pci port 21 and charging aperture 22 of fine coal, the discharging opening 11 of the charging aperture 22 and the oxygen-enriched side-blowing furnace
Connection is set, and sets multiple discharge gates and slag-drip opening 23 on the external crucible body 2, the slag-drip opening 23 is set higher than the discharge gate
Put；Second pci port 21, charging aperture 22, slag-drip opening 23, discharge gate connect with the molten bath 28.As what can be selected
Embodiment, the second pci port 21 and horizontal angle δ is 14.6 ° described in the present embodiment.The discharge gate is included by upper
Matte outlet 24, arsenic ice iron outlet 25, the lead outlet 26 set gradually under, and the matte outlet 24, arsenic ice
Iron outlet 25, lead outlet 26 are siphon port.
Further, the present embodiment also provides the smelting side that arsenic ice iron mixing process arsenic-containing smoke dust is carried out based on described device
Method, comprise the following steps：
(S1) arsenic-containing smoke dust for refining lead copper metallurgy industry discharge is sent into body of heater 1 by flue dust import 13；
(S2) oxygen-enriched air is sent into air inlet 15, the wind speed that the oxygen-enriched air is passed through is 350m/s, the oxygen-enriched sky
The air blast angle of gas is 14.6 °；The good bituminous coal of efflorescence is sprayed into by the first pci port 16, regulation oxygen surplus coefficient α values are 1.5,
The good bituminous coal of efflorescence is set fully to be burnt in body of heater 1, it is 1350 DEG C to be heated to arsenic-containing smoke dust and keep its temperature, obtains molten state
Metal be kneaded crude product；After unreacted flue dust is exported by the remaining flue dust output channel 14, sent again from charging aperture 22
Enter body of heater 1 and carry out secondary refining；
(S3) metal mixing crude product is exported from discharging opening 11 obtained by step (S2) and the charging aperture of warm external crucible 22 is sent into
It is incubated in the molten bath 28 of external crucible, the good bituminous coal of efflorescence is sprayed into molten bath 28 by the second pci port 21, spray angle δ is 45 °,
So that the good bituminous coal of efflorescence fully burns in molten bath 28, it is 1350 DEG C that metal crude product, which is heated, and keeps its temperature, enters it
Row precipitation separation, formation is from top to bottom followed successively by molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer, positioned at the superiors
Slag is discharged from slag-drip opening 23, and matte, arsenic ice iron, lead are discharged and collected from respective discharge gate, is smelted and is completed.
Embodiment 3
The present embodiment provides a kind of smelting device of arsenic ice iron mixing process arsenic-containing smoke dust, including the oxygen-enriched side that connection is set
Blown converter and insulation external crucible.
The oxygen-enriched side-blowing furnace includes body of heater 1, and the height of the body of heater 1 is 5.6m；The bottom of the body of heater 1 sets discharging
Mouth 11 and waste residue outlet 12, the top of the body of heater 1 set flue dust import 13 and remaining flue dust output channel 14, the residue
The length of flue dust output channel 14 is 128-132m.The middle part of the body of heater 1 is provided for entering to the body of heater 1 input oxygen
Air port 15 and the first pci port 16 for spraying fine coal to the body of heater 1, first pci port 16 are less than the air inlet
15 are set.As the embodiment that can be selected, air inlet 15 described in the present embodiment and horizontal angle are 14.6 °, i.e.,
Air blast angle is 14.6 °；First pci port 16 is 30 ° with horizontal angle theta.The air inlet 15 sets multiple, institute
Circumference of multiple air inlets 15 along the body of heater 1 is stated to be uniformly arranged.
The insulation external crucible includes external crucible body 2 and insulation cover furnace roof 3；In the present embodiment, the external crucible body 2 is by fire resisting
Brick 27, which is piled up, to be formed；The external crucible body 2 be shaped as cuboid, the outer wall of the external crucible body 2 is provided with box hat 4；It is described
The outer wall of box hat 4 is provided with multiple reinforcements 5 for reinforcing, and multiple reinforcements 5 are steel tank.The external crucible body 2
Bottom be provided with for external crucible body 2 described in support base 6.
The insulation cover furnace roof 3 is covered on the top of the external crucible body 2, and the center of the insulation cover furnace roof 3, which is run through, to be set
Put furnace roof peep hole 31.There is molten bath 28, the insulation cover furnace roof 3, which is provided with, to be used for the external crucible in the external crucible body 2
Body 2 sprays the second pci port 21 and charging aperture 22 of fine coal, the discharging opening 11 of the charging aperture 22 and the oxygen-enriched side-blowing furnace
Connection is set, and sets multiple discharge gates and slag-drip opening 23 on the external crucible body 2, the slag-drip opening 23 is set higher than the discharge gate
Put；Second pci port 21, charging aperture 22, slag-drip opening 23, discharge gate connect with the molten bath 28.As what can be selected
Embodiment, the second pci port 21 and horizontal angle δ is 14.6 ° described in the present embodiment.The discharge gate is included by upper
Matte outlet 24, arsenic ice iron outlet 25, the lead outlet 26 set gradually under, and the matte outlet 24, arsenic ice
Iron outlet 25, lead outlet 26 are siphon port.
Further, the present embodiment also provides the smelting side that arsenic ice iron mixing process arsenic-containing smoke dust is carried out based on described device
Method, comprise the following steps：
(S1) arsenic-containing smoke dust for refining lead copper metallurgy industry discharge is sent into body of heater 1 by flue dust import 13；
(S2) oxygen-enriched air is sent into air inlet 15, the wind speed that the oxygen-enriched air is passed through is 260m/s, the oxygen-enriched sky
The air blast angle of gas is 14.6 °；The good bituminous coal of efflorescence is sprayed into by the first pci port 16, regulation oxygen surplus coefficient α values are 1.2,
The good bituminous coal of efflorescence is set fully to be burnt in body of heater 1, it is 1300 DEG C to be heated to arsenic-containing smoke dust and keep its temperature, obtains molten state
Metal be kneaded crude product；After unreacted flue dust is exported by the remaining flue dust output channel 14, sent again from charging aperture 22
Enter body of heater 1 and carry out secondary refining；
(S3) metal mixing crude product is exported from discharging opening 11 obtained by step (S2) and the charging aperture of warm external crucible 22 is sent into
It is incubated in the molten bath 28 of external crucible, the good bituminous coal of efflorescence is sprayed into molten bath 28 by the second pci port 21, spray angle δ is 30 °,
So that the good bituminous coal of efflorescence fully burns in molten bath 28, it is 1300 DEG C that metal crude product, which is heated, and keeps its temperature, enters it
Row precipitation separation, formation is from top to bottom followed successively by molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer, positioned at the superiors
Slag is discharged from slag-drip opening 23, and matte, arsenic ice iron, lead are discharged and collected from respective discharge gate, is smelted and is completed.
Embodiment 4
The present embodiment provides a kind of smelting device of arsenic ice iron mixing process arsenic-containing smoke dust, including the oxygen-enriched side that connection is set
Blown converter and insulation external crucible.
The oxygen-enriched side-blowing furnace includes body of heater 1, and the height of the body of heater 1 is 5.6m；The bottom of the body of heater 1 sets discharging
Mouth 11 and waste residue outlet 12, the top of the body of heater 1 set flue dust import 13 and remaining flue dust output channel 14, the residue
The length of flue dust output channel 14 is 128-132m.The middle part of the body of heater 1 is provided for entering to the body of heater 1 input oxygen
Air port 15 and the first pci port 16 for spraying fine coal to the body of heater 1, first pci port 16 are less than the air inlet
15 are set.As the embodiment that can be selected, as the embodiment that can be selected, air inlet 15 described in the present embodiment with
Horizontal angle is 14.6 °, i.e., air blast angle is 14.6 °；First pci port 16 is 15 ° with horizontal angle theta.Institute
State air inlet 15 and set multiple, circumference of the multiple air inlet 15 along the body of heater 1 is uniformly arranged.
The insulation external crucible includes external crucible body 2 and insulation cover furnace roof 3；In the present embodiment, the external crucible body 2 is by fire resisting
Brick 27, which is piled up, to be formed；The external crucible body 2 be shaped as cuboid, the outer wall of the external crucible body 2 is provided with box hat 4；It is described
The outer wall of box hat 4 is provided with multiple reinforcements 5 for reinforcing, and multiple reinforcements 5 are steel tank.The external crucible body 2
Bottom be provided with for external crucible body 2 described in support base 6.
The insulation cover furnace roof 3 is covered on the top of the external crucible body 2, and the center of the insulation cover furnace roof 3, which is run through, to be set
Put furnace roof peep hole 31.There is molten bath 28, the insulation cover furnace roof 3, which is provided with, to be used for the external crucible in the external crucible body 2
Body 2 sprays the second pci port 21 and charging aperture 22 of fine coal, the discharging opening 11 of the charging aperture 22 and the oxygen-enriched side-blowing furnace
Connection is set, and sets multiple discharge gates and slag-drip opening 23 on the external crucible body 2, the slag-drip opening 23 is set higher than the discharge gate
Put；Second pci port 21, charging aperture 22, slag-drip opening 23, discharge gate connect with the molten bath 28.As what can be selected
Embodiment, the second pci port 21 and horizontal angle δ is 14.6 ° described in the present embodiment.The discharge gate is included by upper
Matte outlet 24, arsenic ice iron outlet 25, the lead outlet 26 set gradually under, and the matte outlet 24, arsenic ice
Iron outlet 25, lead outlet 26 are siphon port.
Further, the present embodiment also provides the smelting side that arsenic ice iron mixing process arsenic-containing smoke dust is carried out based on described device
Method, comprise the following steps：
(S1) arsenic-containing smoke dust for refining lead copper metallurgy industry discharge is sent into body of heater 1 by flue dust import 13；
(S2) oxygen-enriched air is sent into air inlet 15, the wind speed that the oxygen-enriched air is passed through is 300m/s, the oxygen-enriched sky
The air blast angle of gas is 14.6 °；The good bituminous coal of efflorescence is sprayed into by the first pci port 16, regulation oxygen surplus coefficient α values are 1.4,
The good bituminous coal of efflorescence is set fully to be burnt in body of heater 1, it is 1300 DEG C to be heated to arsenic-containing smoke dust and keep its temperature, obtains molten state
Metal be kneaded crude product；After unreacted flue dust is exported by the remaining flue dust output channel 14, sent again from charging aperture 22
Enter body of heater 1 and carry out secondary refining；
(S3) metal mixing crude product is exported from discharging opening 11 obtained by step (S2) and the charging aperture of warm external crucible 22 is sent into
It is incubated in the molten bath 28 of external crucible, the good bituminous coal of efflorescence is sprayed into molten bath 28 by the second pci port 21, spray angle δ is 15 °,
So that the good bituminous coal of efflorescence fully burns in molten bath 28, it is 1300 DEG C that metal crude product, which is heated, and keeps its temperature, enters it
Row precipitation separation, formation is from top to bottom followed successively by molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer, positioned at the superiors
Slag is discharged from slag-drip opening 23, and matte, arsenic ice iron, lead are discharged and collected from respective discharge gate, is smelted and is completed.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
- A kind of 1. smelting device of arsenic ice iron mixing process arsenic-containing smoke dust, it is characterised in that the oxygen-enriched side-blowing set including connection Stove and insulation external crucible；The oxygen-enriched side-blowing furnace includes body of heater (1), and the bottom of the body of heater (1) sets discharging opening (11) and waste residue outlet (12), the top of the body of heater (1) sets flue dust import (13) and remaining flue dust output channel (14), in the body of heater (1) Portion is provided for the air inlet (15) of the body of heater (1) input oxygen and for spraying the first of fine coal to the body of heater (1) Pci port (16), first pci port (16) are set less than the air inlet (15)；The insulation external crucible includes external crucible body (2) and insulation cover furnace roof (3), the insulation cover furnace roof (3) be covered on it is described before The top of bed body (2), the external crucible body (2) is interior to have molten bath (28), and the insulation cover furnace roof (3), which is provided with, to be used for institute State the second pci port (21) and charging aperture (22) of external crucible body (2) injection fine coal, the charging aperture (22) and the oxygen-enriched side Discharging opening (11) connection of blown converter is set, and multiple discharge gates and slag-drip opening (23), the deslagging are set on the external crucible body (2) Mouth (23) is set higher than the discharge gate；Second pci port (21), charging aperture (22), slag-drip opening (23), discharge gate with Molten bath (28) connection.
- 2. the smelting device of arsenic ice iron mixing process arsenic-containing smoke dust according to claim 1, it is characterised in that the air intake Mouth (15) setting is multiple, and circumference of the multiple air inlet (15) along the body of heater (1) is uniformly arranged.
- 3. the smelting device of arsenic ice iron mixing process arsenic-containing smoke dust according to claim 1, it is characterised in that the discharge Mouth includes matte outlet (24), arsenic ice iron outlet (25), the lead outlet (26) from top to bottom set gradually.
- 4. the smelting device of arsenic ice iron mixing process arsenic-containing smoke dust according to claim 1, it is characterised in that the matte Outlet (24), arsenic ice iron outlet (25), lead outlet (26) are siphon port.
- 5. the smelting device of arsenic ice iron mixing process arsenic-containing smoke dust according to claim 1, it is characterised in that the external crucible Body (2) is piled up by refractory brick (27) to be formed；The external crucible body (2) be shaped as cuboid, the outer wall of the external crucible body (2) is provided with box hat (4)；The box hat (4) outer wall is provided with multiple reinforcements (5) for reinforcing, and multiple reinforcements (5) are steel tank；The bottom of the external crucible body (2) is provided with the base (6) for external crucible body (2) described in support.
- 6. a kind of smelting process that arsenic ice iron mixing process arsenic-containing smoke dust is carried out based on any one of claim 1-5 described device, It is characterised in that it includes following steps：(S1) arsenic-containing smoke dust for refining lead copper metallurgy industry discharge is sent into body of heater (1) by flue dust import (13)；(S2) oxygen-enriched air is sent into air inlet (15), the good bituminous coal of efflorescence is sprayed into by the first pci port (16), adjusts oxygen mistake Surplus factor alpha value is 1.1-1.5, the good bituminous coal of efflorescence is fully burnt in body of heater (1), and arsenic-containing smoke dust is heated and keeps its temperature Spend the metal mixing crude product for for 1300-1350 DEG C, obtaining molten state；(S3) metal obtained by step (S2) is kneaded crude product and is sent into from the charging aperture (22) of discharging opening (11) output and warm external crucible It is incubated in the molten bath (28) of external crucible, sprays into the good bituminous coal of efflorescence in molten bath (28) by the second pci port (21), make efflorescence good Bituminous coal fully burnt in molten bath (28), metal crude product is heated and keep its temperature be 1300-1350 DEG C, it is sunk Form sediment and separate, formation is from top to bottom followed successively by molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer, positioned at the slag of the superiors Discharged from slag-drip opening (23), matte, arsenic ice iron, lead are discharged and collected from respective discharge gate, are smelted and are completed.
- 7. smelting process according to claim 6, it is characterised in that in step (S2), unreacted flue dust passes through described After remaining flue dust output channel (14) output, it is sent into body of heater (1) from charging aperture (22) again and carries out secondary refining.
- 8. smelting process according to claim 6, it is characterised in that in step (S2), wind that the oxygen-enriched air is passed through Speed is 260-350m/s.
- 9. smelting process according to claim 6, it is characterised in that in step (S2), the peroxide factor alpha value is 1.2- 1.4, the heating-up temperature is 1300 DEG C.
- 10. smelting process according to claim 6, it is characterised in that described when carrying out precipitation separation in step (S3) Heating-up temperature is 1300 DEG C.
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| CN110986572A (en) * | 2019-12-11 | 2020-04-10 | 郴州雄风环保科技有限公司 | Front bed of lead reduction furnace |
| CN113201656A (en) * | 2021-03-23 | 2021-08-03 | 湖北大江环保科技股份有限公司 | Secondary recycling device for smoke dust of oxygen-enriched side-blown converter in lead smelting process and process method thereof |
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| CN113201656B (en) * | 2021-03-23 | 2022-04-22 | 湖北大江环保科技股份有限公司 | Secondary recycling device for smoke dust of oxygen-enriched side-blown converter in lead smelting process and process method thereof |
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Application publication date: 20180209 |