CN207659502U - The smelting device of arsenic ice iron mixing process arsenic-containing smoke dust - Google Patents
The smelting device of arsenic ice iron mixing process arsenic-containing smoke dust Download PDFInfo
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- CN207659502U CN207659502U CN201721539097.9U CN201721539097U CN207659502U CN 207659502 U CN207659502 U CN 207659502U CN 201721539097 U CN201721539097 U CN 201721539097U CN 207659502 U CN207659502 U CN 207659502U
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- external crucible
- smoke dust
- containing smoke
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- 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
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Abstract
The utility model is related to a kind of smelting devices of arsenic ice iron mixing process arsenic-containing smoke dust, oxygen-enriched side-blowing furnace including connection setting and heat preservation external crucible, by being refined under given conditions to refining lead copper metallurgy arsenic-containing smoke dust first with oxygen-enriched side-blowing furnace, it obtains metal mixing crude product feeding heat preservation external crucible and carries out precipitation separation under setting condition, realize being kept completely separate for valuable metal, lead positioned at the bottom and the matte positioned at the second layer are used for directly as product in industrial production, arsenic ice iron positioned at third layer is safe and non-toxic, it can be used for mechanical counterweight industry, it is big to efficiently solve arsenic-containing smoke dust intractability in the prior art, the problems such as easily polluting the environment；Utility model device realizes the synthetical recovery of valuable metal while realization is effectively treated arsenic-containing smoke dust.
Description
Technical field
The utility model belongs to metallurgical technology field, and in particular to a kind of smelting dress of arsenic ice iron mixing process arsenic-containing smoke dust
It sets.
Background technology
In nature, arsenic usually 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 contain a large amount of valuable metal, directly return and smelt stream
Journey causes the circulative accumulation of arsenic in systems, therefore, usually should individually handle dearsenification.Arsenic belongs to severe toxicity, carcinogenic elements, application
Gradually atrophy faces increasingly stringent environmental protection standard, how to handle various high-arsenic materials, it has also become threatens 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 is that wet separation.Pyrogenic process produces
In, the difference of the oxide and other elements oxide boiling point of arsenic is mainly utilized, arsenic is made to be detached with other elements.
CN103602835A discloses a kind of displacement reduction method and obtains crude arsenic and needle antimony, and CN103602834A 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 97.0% or more.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 do not do to the recycling of valuable metal powder and further grind
Study carefully.
There are many dearsenification, the research paper for extracting valuable metal and related patents report from flue dust, but there are valuable metals
Comprehensive recovery is low, and arsenic product market is limited, and there are potential security risks.Therefore, the prior art could be improved and develop.
Utility model content
In order to solve the above problem of the existing technology, the utility model provides a kind of mixing process of arsenic ice iron and contains
The smelting device of arsenic flue dust.Utility model device obtains while capable of recycling valuable metal lead and copper effectively from arsenic-containing smoke dust
The arsenic of product containing arsenic ice iron safely is obtained, has many advantages, such as that environmentally friendly, economical, energy saving, resource utilization is high.
Technical solution used by the utility model 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 heat preservation
Bed；
The oxygen-enriched side-blowing furnace includes furnace body, the lower part setting discharge port and waste residue outlet of the furnace body, the furnace body
Top setting flue dust import and remaining flue dust output channel, the middle part setting of the furnace body to the furnace body for inputting oxygen
Air inlet and the first pci port for spraying from fine coal to the furnace body, first pci port sets less than the air inlet
It sets；
The heat preservation external crucible includes external crucible ontology and insulation cover furnace roof, and the insulation cover furnace top cover is together in the external crucible ontology
Top, there is in the external crucible ontology molten bath, the insulation cover furnace roof to be equipped with for spraying fine coal to the external crucible ontology
The second pci port and feed inlet, the feed inlet is connected to setting, the external crucible ontology with the discharge port of the oxygen-enriched side-blowing furnace
Upper that multiple discharge gates and slag-drip opening is arranged, the slag-drip opening is arranged higher than the discharge gate；Second pci port, feed inlet,
Slag-drip opening, discharge gate are connected to the molten bath.
The air inlet setting is multiple, and the multiple air inlet is uniformly arranged along the circumferential direction of the furnace body.
The discharge gate includes the matte outlet from top to bottom set gradually, arsenic ice iron outlet, lead outlet.
The matte outlet, arsenic ice iron outlet, lead outlet are siphon port.
First pci port is 15-45 ° with horizontal angle theta.
Second pci port is 15-45 ° with horizontal angle δ.
The external crucible ontology is piled up by refractory brick；
The shape of the external crucible ontology is the outer wall of cuboid, the external crucible ontology equipped with box hat.
The outer wall of the box hat is equipped with multiple reinforcing ribs for reinforcing, and multiple reinforcing ribs are steel tank；
The bottom of the external crucible ontology is equipped with the pedestal for external crucible ontology described in support.
A kind of smelting process being carried out arsenic ice iron mixing process arsenic-containing smoke dust based on described device, is included the following steps：
(S1) arsenic-containing smoke dust of refining lead copper metallurgy industry discharge is sent by flue dust import in furnace body；
(S2) it is sent into oxygen-enriched air in air inlet, the good bituminous coal of dusting is sprayed by the first pci port, adjusts oxygen excess system
Number α values are 1.1-1.5, and the bituminous coal for keeping dusting good fully burns in furnace body, and heating and keeping its temperature to arsenic-containing smoke dust is
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 heat preservation from the feed inlet of discharge port output and warm external crucible
In the molten bath of external crucible, the good bituminous coal of dusting is sprayed into molten bath by the second pci port, the bituminous coal for keeping dusting good fills in molten bath
Divided combustion, it is 1300-1350 DEG C to heat and keep its temperature to metal crude product, it is made to carry out precipitation separation, is formed from top to bottom
It is followed successively by molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer, the slag for being located at top layer is discharged from slag-drip opening, matte,
Arsenic ice iron, lead are discharged and collect from respective discharge gate, smelt and complete.
Matte is the mixed melting body of copper matte regulus, lead matte, iron sulfonium, reported before, and can be used as valuable metal product and directly use
In industrial production.
Arsenic ice iron is a kind of metal melting body that present inventor has found in studying for a long period of time, safe and non-toxic, will not be right
Environment pollutes, and can be used as mechanical counterweight use, mainly contains Fe, As, Cu, Pb and a small amount of impurity, wherein mass fraction containing Fe
It is 25-30% for 69-74%, mass fraction containing As, the Fen of mass containing Cu Shuo≤1%, the 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 feed inlet
Enter furnace body and carries 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 temperature is 1300 DEG C.
In step (S3), when carrying out precipitation separation, the heating temperature is 1300 DEG C.
The beneficial effects of the utility model are：
The smelting device of arsenic ice iron mixing process arsenic-containing smoke dust described in the utility model includes the oxygen-enriched side of connection setting
Blown converter and heat preservation external crucible are obtained by being refined under given conditions to refining lead copper metallurgy arsenic-containing smoke dust first with oxygen-enriched side-blowing furnace
It is kneaded crude product feeding heat preservation external crucible to metal and carries out precipitation separation under setting condition, realizes being kept completely separate for valuable metal, position
Lead in the bottom and the matte positioned at the second layer are pacified directly as product in industrial production, being located at the arsenic ice iron of third layer
Atoxic can be used for mechanical counterweight industry, and it is big to efficiently solve arsenic-containing smoke dust intractability in the prior art, is easily caused to environment
The problems such as pollution；Utility model device realizes the comprehensive of valuable metal while realization is effectively treated arsenic-containing smoke dust
Close recycling.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is that the structure for the arsenic ice iron mixing process arsenic-containing smoke dust smelting device that a kind of embodiment of the utility model provides is shown
It is intended to；
Fig. 2 is the right view of heat preservation external crucible described in the utility model.
1- furnace bodies in figure, 11- discharge ports, 12- waste residue outlets, 13- flue dust imports, 14- residue flue dust output channels,
15- air inlets, the first pci ports of 16-, 2- external crucible ontologies, the second pci ports of 21-, 22- feed inlets, 23- slag-drip openings, 24- matte
Outlet, 25- arsenic ice iron outlets, 26- lead outlets, 27- refractory brick, the molten baths 28-, 3- insulation cover furnace roofs, the observation of 31- furnace roofs
Hole, 4- box hats, 5- reinforcing ribs, 6- pedestals.
Specific implementation mode
It, below will be to the technology of the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Embodiment 1
The present embodiment provides a kind of smelting devices 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 heat preservation external crucible set.
The oxygen-enriched side-blowing furnace includes furnace body 1, and the height of the furnace body 1 is 5.6m；The lower part setting discharging of the furnace body 1
Mouth 11 and waste residue outlet 12, the top setting flue dust import 13 of the furnace body 1 and remaining flue dust output channel 14, the residue
The length of flue dust output channel 14 is 128-132m.The furnace body 1 middle part setting for the furnace body 1 input oxygen into
Air port 15 and for the furnace body 1 spray fine coal the first pci port 16, first pci port 16 be less than the air inlet
15 settings.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.Multiple, institute is arranged in the air inlet 15
The circumferential direction that multiple air inlets 15 are stated along the furnace body 1 is uniformly arranged.
The heat preservation external crucible includes external crucible ontology 2 and insulation cover furnace roof 3；In the present embodiment, the external crucible ontology 2 is by fire resisting
Brick 27 is piled up；The shape of the external crucible ontology 2 is the outer wall of cuboid, the external crucible ontology 2 equipped with box hat 4；It is described
The outer wall of box hat 4 is equipped with multiple reinforcing ribs 5 for reinforcing, and multiple reinforcing ribs 5 are steel tank.The external crucible ontology 2
Bottom be equipped with the pedestal 6 for external crucible ontology 2 described in support.
The insulation cover furnace roof 3 is covered on the top of the external crucible ontology 2, and the center of the insulation cover furnace roof 3, which is run through, to be set
Set furnace roof peep hole 31.There is molten bath 28, the insulation cover furnace roof 3 is equipped with for the external crucible in the external crucible ontology 2
Ontology 2 sprays the second pci port 21 (see Fig. 2) of fine coal and feed inlet 22, the feed inlet 22 go out with the oxygen-enriched side-blowing furnace
The connection of material mouth 11 is arranged, and multiple discharge gates and slag-drip opening 23 are arranged on the external crucible ontology 2, and the slag-drip opening 23 is higher than the row
Material mouth is arranged；Second pci port 21, feed inlet 22, slag-drip opening 23, discharge gate are connected to the molten bath 28.As can be with
The embodiment of selection, the second pci port 21 and horizontal angle δ described in the present embodiment is 14.6 °.The discharge gate packet
Include the matte outlet 24 from top to bottom set gradually, arsenic ice iron outlet 25, lead outlet 26, 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 includes the following steps：
(S1) arsenic-containing smoke dust of refining lead copper metallurgy industry discharge is sent by flue dust import 13 in furnace body 1；
(S2) it is sent into oxygen-enriched air in 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 dusting is sprayed by the first pci port 16, it is 1.1 to adjust oxygen surplus coefficient α values,
The bituminous coal for keeping dusting good fully burns in furnace body 1, and it is 1300 DEG C to heat and keep its temperature to arsenic-containing smoke dust, 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 feed inlet 22
Enter furnace body 1 and carries out secondary refining；
(S3) metal obtained by step (S2) is kneaded crude product and is sent into from the feed inlet 22 of the output of discharge port 11 and warm external crucible
In the molten bath 28 for keeping the temperature external crucible, the good bituminous coal of dusting is sprayed into molten bath 28 by the second pci port 21, spray angle δ is 15 °,
So that the good bituminous coal of dusting fully burns in molten bath 28, it is 1300 DEG C to heat and keep its temperature to metal crude product, make its into
Row precipitation separation, formation are from top to bottom followed successively by molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer, are located at top layer
Slag is discharged from slag-drip opening 23, and matte, arsenic ice iron, lead are discharged and collect from respective discharge gate, smelts and completes.
Embodiment 2
The present embodiment provides a kind of smelting devices of arsenic ice iron mixing process arsenic-containing smoke dust, include the oxygen-enriched side of connection setting
Blown converter and heat preservation external crucible.
The oxygen-enriched side-blowing furnace includes furnace body 1, and the height of the furnace body 1 is 5.6m；The lower part setting discharging of the furnace body 1
Mouth 11 and waste residue outlet 12, the top setting flue dust import 13 of the furnace body 1 and remaining flue dust output channel 14, the residue
The length of flue dust output channel 14 is 128-132m.The furnace body 1 middle part setting for the furnace body 1 input oxygen into
Air port 15 and for the furnace body 1 spray fine coal the first pci port 16, first pci port 16 be less than the air inlet
15 settings.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.Multiple, institute is arranged in the air inlet 15
The circumferential direction that multiple air inlets 15 are stated along the furnace body 1 is uniformly arranged.
The heat preservation external crucible includes external crucible ontology 2 and insulation cover furnace roof 3；In the present embodiment, the external crucible ontology 2 is by fire resisting
Brick 27 is piled up；The shape of the external crucible ontology 2 is the outer wall of cuboid, the external crucible ontology 2 equipped with box hat 4；It is described
The outer wall of box hat 4 is equipped with multiple reinforcing ribs 5 for reinforcing, and multiple reinforcing ribs 5 are steel tank.The external crucible ontology 2
Bottom be equipped with the pedestal 6 for external crucible ontology 2 described in support.
The insulation cover furnace roof 3 is covered on the top of the external crucible ontology 2, and the center of the insulation cover furnace roof 3, which is run through, to be set
Set furnace roof peep hole 31.There is molten bath 28, the insulation cover furnace roof 3 is equipped with for the external crucible in the external crucible ontology 2
Ontology 2 sprays the second pci port 21 and feed inlet 22 of fine coal, the discharge port 11 of the feed inlet 22 and the oxygen-enriched side-blowing furnace
Connection is arranged, and multiple discharge gates and slag-drip opening 23 is arranged on the external crucible ontology 2, the slag-drip opening 23 is set higher than the discharge gate
It sets；Second pci port 21, feed inlet 22, slag-drip opening 23, discharge gate are connected to the molten bath 28.As what can be selected
Embodiment, the second pci port 21 and horizontal angle δ described in the present embodiment is 14.6 °.The discharge gate includes 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 includes the following steps：
(S1) arsenic-containing smoke dust of refining lead copper metallurgy industry discharge is sent by flue dust import 13 in furnace body 1；
(S2) it is sent into oxygen-enriched air in 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 dusting is sprayed by the first pci port 16, it is 1.5 to adjust oxygen surplus coefficient α values,
The bituminous coal for keeping dusting good fully burns in furnace body 1, and it is 1350 DEG C to heat and keep its temperature to arsenic-containing smoke dust, 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 feed inlet 22
Enter furnace body 1 and carries out secondary refining；
(S3) metal obtained by step (S2) is kneaded crude product and is sent into from the feed inlet 22 of the output of discharge port 11 and warm external crucible
In the molten bath 28 for keeping the temperature external crucible, the good bituminous coal of dusting is sprayed into molten bath 28 by the second pci port 21, spray angle δ is 45 °,
So that the good bituminous coal of dusting fully burns in molten bath 28, it is 1350 DEG C to heat and keep its temperature to metal crude product, make its into
Row precipitation separation, formation are from top to bottom followed successively by molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer, are located at top layer
Slag is discharged from slag-drip opening 23, and matte, arsenic ice iron, lead are discharged and collect from respective discharge gate, smelts and completes.
Embodiment 3
The present embodiment provides a kind of smelting devices of arsenic ice iron mixing process arsenic-containing smoke dust, include the oxygen-enriched side of connection setting
Blown converter and heat preservation external crucible.
The oxygen-enriched side-blowing furnace includes furnace body 1, and the height of the furnace body 1 is 5.6m；The lower part setting discharging of the furnace body 1
Mouth 11 and waste residue outlet 12, the top setting flue dust import 13 of the furnace body 1 and remaining flue dust output channel 14, the residue
The length of flue dust output channel 14 is 128-132m.The furnace body 1 middle part setting for the furnace body 1 input oxygen into
Air port 15 and for the furnace body 1 spray fine coal the first pci port 16, first pci port 16 be less than the air inlet
15 settings.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.Multiple, institute is arranged in the air inlet 15
The circumferential direction that multiple air inlets 15 are stated along the furnace body 1 is uniformly arranged.
The heat preservation external crucible includes external crucible ontology 2 and insulation cover furnace roof 3；In the present embodiment, the external crucible ontology 2 is by fire resisting
Brick 27 is piled up；The shape of the external crucible ontology 2 is the outer wall of cuboid, the external crucible ontology 2 equipped with box hat 4；It is described
The outer wall of box hat 4 is equipped with multiple reinforcing ribs 5 for reinforcing, and multiple reinforcing ribs 5 are steel tank.The external crucible ontology 2
Bottom be equipped with the pedestal 6 for external crucible ontology 2 described in support.
The insulation cover furnace roof 3 is covered on the top of the external crucible ontology 2, and the center of the insulation cover furnace roof 3, which is run through, to be set
Set furnace roof peep hole 31.There is molten bath 28, the insulation cover furnace roof 3 is equipped with for the external crucible in the external crucible ontology 2
Ontology 2 sprays the second pci port 21 and feed inlet 22 of fine coal, the discharge port 11 of the feed inlet 22 and the oxygen-enriched side-blowing furnace
Connection is arranged, and multiple discharge gates and slag-drip opening 23 is arranged on the external crucible ontology 2, the slag-drip opening 23 is set higher than the discharge gate
It sets；Second pci port 21, feed inlet 22, slag-drip opening 23, discharge gate are connected to the molten bath 28.As what can be selected
Embodiment, the second pci port 21 and horizontal angle δ described in the present embodiment is 14.6 °.The discharge gate includes 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 includes the following steps：
(S1) arsenic-containing smoke dust of refining lead copper metallurgy industry discharge is sent by flue dust import 13 in furnace body 1；
(S2) it is sent into oxygen-enriched air in 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 dusting is sprayed by the first pci port 16, it is 1.2 to adjust oxygen surplus coefficient α values,
The bituminous coal for keeping dusting good fully burns in furnace body 1, and it is 1300 DEG C to heat and keep its temperature to arsenic-containing smoke dust, 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 feed inlet 22
Enter furnace body 1 and carries out secondary refining；
(S3) metal obtained by step (S2) is kneaded crude product and is sent into from the feed inlet 22 of the output of discharge port 11 and warm external crucible
In the molten bath 28 for keeping the temperature external crucible, the good bituminous coal of dusting is sprayed into molten bath 28 by the second pci port 21, spray angle δ is 30 °,
So that the good bituminous coal of dusting fully burns in molten bath 28, it is 1300 DEG C to heat and keep its temperature to metal crude product, make its into
Row precipitation separation, formation are from top to bottom followed successively by molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer, are located at top layer
Slag is discharged from slag-drip opening 23, and matte, arsenic ice iron, lead are discharged and collect from respective discharge gate, smelts and completes.
Embodiment 4
The present embodiment provides a kind of smelting devices of arsenic ice iron mixing process arsenic-containing smoke dust, include the oxygen-enriched side of connection setting
Blown converter and heat preservation external crucible.
The oxygen-enriched side-blowing furnace includes furnace body 1, and the height of the furnace body 1 is 5.6m；The lower part setting discharging of the furnace body 1
Mouth 11 and waste residue outlet 12, the top setting flue dust import 13 of the furnace body 1 and remaining flue dust output channel 14, the residue
The length of flue dust output channel 14 is 128-132m.The furnace body 1 middle part setting for the furnace body 1 input oxygen into
Air port 15 and for the furnace body 1 spray fine coal the first pci port 16, first pci port 16 be less than the air inlet
15 settings.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
It states air inlet 15 and is arranged multiple, the multiple air inlet 15 is uniformly arranged along the circumferential direction of the furnace body 1.
The heat preservation external crucible includes external crucible ontology 2 and insulation cover furnace roof 3；In the present embodiment, the external crucible ontology 2 is by fire resisting
Brick 27 is piled up；The shape of the external crucible ontology 2 is the outer wall of cuboid, the external crucible ontology 2 equipped with box hat 4；It is described
The outer wall of box hat 4 is equipped with multiple reinforcing ribs 5 for reinforcing, and multiple reinforcing ribs 5 are steel tank.The external crucible ontology 2
Bottom be equipped with the pedestal 6 for external crucible ontology 2 described in support.
The insulation cover furnace roof 3 is covered on the top of the external crucible ontology 2, and the center of the insulation cover furnace roof 3, which is run through, to be set
Set furnace roof peep hole 31.There is molten bath 28, the insulation cover furnace roof 3 is equipped with for the external crucible in the external crucible ontology 2
Ontology 2 sprays the second pci port 21 and feed inlet 22 of fine coal, the discharge port 11 of the feed inlet 22 and the oxygen-enriched side-blowing furnace
Connection is arranged, and multiple discharge gates and slag-drip opening 23 is arranged on the external crucible ontology 2, the slag-drip opening 23 is set higher than the discharge gate
It sets；Second pci port 21, feed inlet 22, slag-drip opening 23, discharge gate are connected to the molten bath 28.As what can be selected
Embodiment, the second pci port 21 and horizontal angle δ described in the present embodiment is 14.6 °.The discharge gate includes 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 includes the following steps：
(S1) arsenic-containing smoke dust of refining lead copper metallurgy industry discharge is sent by flue dust import 13 in furnace body 1；
(S2) it is sent into oxygen-enriched air in 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 dusting is sprayed by the first pci port 16, it is 1.4 to adjust oxygen surplus coefficient α values,
The bituminous coal for keeping dusting good fully burns in furnace body 1, and it is 1300 DEG C to heat and keep its temperature to arsenic-containing smoke dust, 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 feed inlet 22
Enter furnace body 1 and carries out secondary refining；
(S3) metal obtained by step (S2) is kneaded crude product and is sent into from the feed inlet 22 of the output of discharge port 11 and warm external crucible
In the molten bath 28 for keeping the temperature external crucible, the good bituminous coal of dusting is sprayed into molten bath 28 by the second pci port 21, spray angle δ is 15 °,
So that the good bituminous coal of dusting fully burns in molten bath 28, it is 1300 DEG C to heat and keep its temperature to metal crude product, make its into
Row precipitation separation, formation are from top to bottom followed successively by molten slag layer, matte layer, arsenic ice iron layer, the separating layer of lead layer, are located at top layer
Slag is discharged from slag-drip opening 23, and matte, arsenic ice iron, lead are discharged and collect from respective discharge gate, smelts and completes.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
1. a kind of smelting device of arsenic ice iron mixing process arsenic-containing smoke dust, which is characterized in that include the oxygen-enriched side-blowing of connection setting
Stove and heat preservation external crucible；
The oxygen-enriched side-blowing furnace includes furnace body (1), the lower part setting discharge port (11) and waste residue outlet of the furnace body (1)
(12), the top setting flue dust import (13) of the furnace body (1) and residue flue dust output channel (14), in the furnace body (1)
Portion is arranged the air inlet (15) for inputting oxygen to the furnace body (1) and is used to spray the first of fine coal to the furnace body (1)
Pci port (16), first pci port (16) are arranged less than the air inlet (15)；
The heat preservation external crucible includes external crucible ontology (2) and insulation cover furnace roof (3), the insulation cover furnace roof (3) be covered on it is described before
The top of bed ontology (2) has molten bath (28) in the external crucible ontology (2), and the insulation cover furnace roof (3) is equipped with for institute
State the second pci port (21) and feed inlet (22) of external crucible ontology (2) injection fine coal, the feed inlet (22) and the oxygen-enriched side
Discharge port (11) connection of blown converter is arranged, and multiple discharge gates and slag-drip opening (23), the deslagging is arranged on the external crucible ontology (2)
Mouth (23) is arranged higher than the discharge gate；Second pci port (21), feed inlet (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, which is characterized in that the air inlet
Mouth (15) setting is multiple, and the multiple air inlet (15) is uniformly arranged along the circumferential direction of the furnace body (1).
3. the smelting device of arsenic ice iron mixing process arsenic-containing smoke dust according to claim 1, which is characterized 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 3, which is characterized 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, which is characterized in that described first
Pci port (16) is 15-45 ° with horizontal angle theta.
6. the smelting device of arsenic ice iron mixing process arsenic-containing smoke dust according to claim 1, which is characterized in that described second
Pci port (21) is 15-45 ° with horizontal angle δ.
7. the smelting device of arsenic ice iron mixing process arsenic-containing smoke dust according to claim 1, which is characterized in that the external crucible
Ontology (2) is piled up by refractory brick (27).
8. the smelting device of arsenic ice iron mixing process arsenic-containing smoke dust according to claim 1, which is characterized in that the external crucible
The shape of ontology (2) is the outer wall of cuboid, the external crucible ontology (2) equipped with box hat (4).
9. the smelting device of arsenic ice iron mixing process arsenic-containing smoke dust according to claim 8, which is characterized in that the box hat
(4) outer wall is equipped with multiple reinforcing ribs (5) for reinforcing, and multiple reinforcing ribs (5) are steel tank.
10. the smelting device of arsenic ice iron mixing process arsenic-containing smoke dust according to claim 1, which is characterized in that before described
The bottom of bed ontology (2) is equipped with the pedestal (6) for external crucible ontology (2) described in support.
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| CN107674983A (en) * | 2017-11-16 | 2018-02-09 | 梁瑞兵 | The smelting device and method of arsenic ice iron mixing process arsenic-containing smoke dust |
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