CN206986254U - A kind of smelting equipment of arsenic-containing material - Google Patents
A kind of smelting equipment of arsenic-containing material Download PDFInfo
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- CN206986254U CN206986254U CN201720809698.0U CN201720809698U CN206986254U CN 206986254 U CN206986254 U CN 206986254U CN 201720809698 U CN201720809698 U CN 201720809698U CN 206986254 U CN206986254 U CN 206986254U
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- water jacket
- smelting equipment
- arsenic
- insulation
- charging
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- 229910052785 arsenic Inorganic materials 0.000 title claims abstract description 70
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000003723 Smelting Methods 0.000 title claims abstract description 62
- 239000000463 material Substances 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000009413 insulation Methods 0.000 claims abstract description 46
- 230000009467 reduction Effects 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims description 26
- 239000002893 slag Substances 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 17
- 229910001361 White metal Inorganic materials 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 16
- 239000010969 white metal Substances 0.000 claims description 16
- VETKVGYBAMGARK-UHFFFAOYSA-N arsanylidyneiron Chemical compound [As]#[Fe] VETKVGYBAMGARK-UHFFFAOYSA-N 0.000 claims description 15
- 210000000476 body water Anatomy 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 13
- 239000003546 flue gas Substances 0.000 abstract description 8
- 239000000567 combustion gas Substances 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract description 4
- 238000006722 reduction reaction Methods 0.000 description 30
- 238000000034 method Methods 0.000 description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 22
- 229910052760 oxygen Inorganic materials 0.000 description 22
- 239000001301 oxygen Substances 0.000 description 22
- 238000002844 melting Methods 0.000 description 20
- 230000008018 melting Effects 0.000 description 20
- 239000003500 flue dust Substances 0.000 description 12
- 239000010949 copper Substances 0.000 description 10
- 239000002994 raw material Substances 0.000 description 10
- 238000005272 metallurgy Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 241000722270 Regulus Species 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- GOLCXWYRSKYTSP-UHFFFAOYSA-N Arsenious Acid Chemical compound O1[As]2O[As]1O2 GOLCXWYRSKYTSP-UHFFFAOYSA-N 0.000 description 4
- COHDHYZHOPQOFD-UHFFFAOYSA-N arsenic pentoxide Chemical compound O=[As](=O)O[As](=O)=O COHDHYZHOPQOFD-UHFFFAOYSA-N 0.000 description 4
- 239000011449 brick Substances 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- RMBBSOLAGVEUSI-UHFFFAOYSA-H Calcium arsenate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-][As]([O-])([O-])=O.[O-][As]([O-])([O-])=O RMBBSOLAGVEUSI-UHFFFAOYSA-H 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229940103357 calcium arsenate Drugs 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 2
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- JRIGVWDKYXCHMG-UHFFFAOYSA-N (5-arsoroso-2-hydroxyphenyl)azanium;chloride Chemical compound Cl.NC1=CC([As]=O)=CC=C1O JRIGVWDKYXCHMG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- WIKSRXFQIZQFEH-UHFFFAOYSA-N [Cu].[Pb] Chemical compound [Cu].[Pb] WIKSRXFQIZQFEH-UHFFFAOYSA-N 0.000 description 1
- IKWTVSLWAPBBKU-UHFFFAOYSA-N a1010_sial Chemical compound O=[As]O[As]=O IKWTVSLWAPBBKU-UHFFFAOYSA-N 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910000413 arsenic oxide Inorganic materials 0.000 description 1
- 229960002594 arsenic trioxide Drugs 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229960004643 cupric oxide Drugs 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 239000013056 hazardous product Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229950008475 oxophenarsine Drugs 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- 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
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides a kind of smelting equipment of arsenic-containing material, the smelting equipment of the arsenic-containing material, improve the setting of flue in reduction furnace, flue is stretched into water jacket, when flue gas is discharged from flue, negative pressure region is formed in the both sides of flue one end, and charge door is set in negative pressure region, be not in convection current so in charging so that the more convenient safety of operation of charging.Meanwhile insulation cover is added on insulation external crucible body, and by the way of spray combustion gas insulation, it is easy to the control insulation intrinsic temperature of external crucible.
Description
Technical field
The utility model belongs to field of metallurgy, and in particular to a kind of smelting equipment of high-arsenic material.
Background technology
Due to the physicochemical property of arsenic, the compound of arsenic and its arsenic is poisonous and harmfulness is very big, non-ferrous metal metallurgy industry
Arsenic is easy to evaporate into flue dust during pyrometallurgical smelting, and particularly copper, the flue dust of lead smelting enterprise contain in addition to having copper-lead also
Oxide containing a variety of valuable metals and arsenic, country this flue dust is incorporated into as I class hazardous wastes, it is necessary to by it is qualified,
The regenerated resources comprehensive utilization enterprise of specialty is disposed.It is small to delimitation standard of the raw materials for metallurgy containing arsenic, arsenic content according to country
It is raw material permitting deformation in 0.5%, is hazardous material (fluids) more than 0.5%, smelting industry raw material is volatile into flue dust containing arsenic, causes
Flue dust is high containing arsenic, and reusing arsenic content will be higher, it is necessary to the first dearsenification before smelting.
The oxygen-enriched side-blown reducing stove that every qualified professional regenerated resources comprehensive utilization enterprise is allowed using country
Smelting process is processed to this arsenic-containing material, and these enterprises are to containing flue dust of the arsenic less than 2% or the unclassified stores energy containing arsenic
Utilization reluctantly, due to the restoring method and technical operation condition using routine, arsenic volatilizees or entered certainly once again in smelting process
In the cigarette ash of production, make the arsenic more and more higher in flue dust, content it is high reach 10-15%, because height containing arsenic damages to human body
Evil is larger, therefore arsenic discoloration is talked to arsenic-containing smoke dust, operator only it is to be understood that just quit one's job containing arsenic, just appeal national safety supervision department,
It is very big to business impact.In order to solve the high harm of arsenic, enterprise returns again to smelting after using the method arsenic removal of washing dearsenification now,
Method is：
With hot water with pressing 3.5 containing arsenic smoke dust:1 ratio stirs in agitator, due to oxide (the i.e. As of arsenic2O3、
As2O5) being dissolved in the water becomes arsenious acid, filtered, filter residue, which returns, to be smelted, and the aqueous solution containing arsenious acid is precipitated with milk of lime, raw
Into calcium arsenate precipitation slag, then after filtering, by precipitation slag send by national requirements planning industrial park dangerous waste landfill yard it is buried,
Waste water, which returns, to be used (this method is the conventional method that national arsenic-containing waste water is handled).This method although solve arsenic flue dust or
The smelting of arsenic-containing material, but following hidden trouble be present：
1st, the arsenic in flue dust is become into calcium arsenate landfill, serious pollution hidden trouble is left to descendants；
2nd, flue dust washing causes human injury's (human body skin arsenic allergy) to worker per procedure dust；
3rd, enterprise's smelting cost increase；
4th, poisonous metal arsenic is not utilized effectively, and arsenic is changed into product.
Carrying out dearsenification and then carrying out next step smelting, its procedure is summarized as follows：
Flue dust containing arsenic >=5% enters after factory first wash 3-4 hours with 60-80 DEG C of hot water stirs with leaching tanks after use sheet frame
Formula filter press filters, and flue dust filter residue, which enters, smelts dispensing, using oxygen-enriched side-blown reducing stove melting；Filtrate is with milk of lime in agitator
Filtered after stirring 3-4 hours, filter residue enters industrial park dangerous waste slag landfill yard, wash water Returning utilization, and its method flow diagram is shown in Fig. 1.
From Fig. 1, it can be seen that the method flow complex operation of follow-up melting, is unsuitable for promoting the use of.
Utility model content
In order to solve the problems, such as that prior art is present, the utility model provides a kind of method of smelting of arsenic-containing material and set
It is standby.The smelting equipment of the arsenic-containing material, the setting of flue in reduction furnace being improved, flue is stretched into water jacket, when
When flue gas is discharged from flue, negative pressure region is formed in the both sides of flue one end, and sets and feeds in negative pressure region
Mouthful, be not in convection current so in charging so that the more convenient safety of operation of charging.Meanwhile on insulation external crucible body
Insulation cover is added, and by the way of spray combustion gas insulation, is easy to the control insulation intrinsic temperature of external crucible.
According to smelting equipment of the present utility model, wherein, the smelting equipment include reduction furnace, reduced blast furnace flow through bridge and
External crucible is incubated, the reduction furnace flows through bridge by the reduced blast furnace and connected with the insulation external crucible, wherein：
The reduction furnace includes cupola well, water jacket and exhaust gases passes, and the water jacket is arranged on the cupola well, and the flue gas leads to
Road connects with the water jacket, and one end of the exhaust gases passes extend into the inside of water jacket in the middle part of the roof of the water jacket；It is described
The bottom of water jacket is provided with blowing mouth, and the top of the water jacket is provided with charge door；
The insulation external crucible includes insulation external crucible body and insulation cover, and the insulation cover is arranged on the insulation external crucible body
On, liquid stream slag chute and arsenic iron white metal chute are provided with the side wall of the insulation external crucible body, the insulation cover is provided with combustion
Gas jets.
According to smelting equipment of the present utility model, wherein, the water jacket includes body of heater tuyere cooler, stove successively from top to bottom
Body top water jacket and envelope material water jacket, the height sum of the body of heater tuyere cooler and upper of furnace body water jacket is 6500mm；It is described to blow
Air port is arranged on the lower sides of the body of heater tuyere cooler；Roof of the one end of the exhaust gases passes from the envelope material water jacket
Middle part extend into the inside of water jacket, and with being flushed at the top of the upper of furnace body water jacket.
According to smelting equipment of the present utility model, wherein, the smelting equipment also includes the ring connected with the blowing mouth
Shape airduct, the air loop duct disk are located at the middle part of the water jacket.
According to smelting equipment of the present utility model, wherein, it is siphon passage that the reduced blast furnace, which flows through bridge,.
According to smelting equipment of the present utility model, wherein, the smelting equipment also includes moulds in casting wheel, the disk casting
Ingot machine is arranged on below the exit of the arsenic iron white metal chute.
According to smelting equipment of the present utility model, wherein, the moulds in casting wheel includes ingot casting support and ingot mould, described
Ingot mould is arranged on the ingot casting support.The smelting equipment also includes charging scffold, the top of the charging scffold and institute
State and flushed at the top of upper of furnace body water jacket.
According to smelting equipment of the present utility model, wherein, the smelting equipment also includes charging lift, and the charging rises
Drop machine is close to the charging scffold and set, the maximum lifting height and the overhead height of the charging scffold of the charging lift
It is identical.
According to smelting equipment of the present utility model, wherein, the other end of the exhaust gases passes is to empty end, the emptying end
Provided with exhaust gas processing device.In addition, as needed, the exhaust gases passes also include air-introduced machine.
According to smelting equipment of the present utility model, wherein, the bosh angle of the cupola well is 6.7 °, the blowing mouth and level
The angle in face is 10.3 °, and the blowing mouth is 350mm apart from the height of the cupola well.
According to specific embodiment of the present utility model, the method bag of smelting equipment of the present utility model progress melting is utilized
Include following steps：
A, dispensing：It is standby as raw materials for metallurgy to collect arsenic-containing material；
B, oxygen-enriched reduction melting：The arsenic-containing material that coke and step A are obtained is added in reactor, is passed through into reactor
Oxygen concentration is 23-24% oxygen-enriched air, and it is 150-250 DEG C to control charge level temperature, and oxygen-enriched go back is carried out to the arsenic-containing material
Former melting；
C, arsenic iron white metal is collected：The liquid slag that the oxygen-enriched reduction melting of collection step B obtains, and the liquid slag is incubated
In 1250-1300 DEG C of insulation external crucible, separate and collect to obtain arsenic iron white metal after standing.
In the utility model, the principle of oxygen-enriched reduction melting is：
The elements such as copper, lead, arsenic, antimony, iron in arsenic-containing material in nonferrous metal resource are mainly with oxidation corresponding to it
Thing form is present, and in the reactor, makees reducing agent with coke, blasts oxygen-enriched air, with carbon monoxide (CO) and the carbon (C) of red heat
Reduction, is reduced into metal, and reaction is as follows：
I, the reduction reaction of cupric oxide：
Cu2O+CO→2Cu+CO2
Cu2O+FeS→Cu2S+FeO
2Cu+FeS=Cu2S+Fe
II, the process for making copper matte regulus matte：A small amount of FeS and PbS and Cu in material2S is larger in the affinity of molten state and shape
Into copper matte regulus matte, i.e.,：
nCu2S+nFeS+nPbS→nCu2S.nFeS.nPbS (copper matte regulus matte density 6.3-7)
III, the reduction reaction of lead oxide：
PbO+CO→Pb+CO2
IV, the reduction reaction of arsenic oxide arsenoxide：
As2O3+2C0→2AsO+2CO2
AsO+C0→As+CO2
As2O5+3C→2As+CO+2CO2
The reduction reaction of V, other oxides (MeO)：MeO+CO→Me+CO2
VI, the process for making arsenic iron white metal：Because arsenic is very big in the affinity of molten state with iron, antimony, therefore the gold reduced
Category arsenic, a small amount of antimony and iron are melt into arsenic iron white metal：
NAs+nSb+nFe → nAs.nSb.nFe (arsenic iron matte density 7-7.3)
VII, make slag：Gangue content SiO in furnace charge2、FeO、CaO、Al2O3, MgO etc. melts in high temperature melting area
Slag making, its process：
nSiO2+nFeO+nCaO+nAl2O3+nMgO→nFeOnCaOnAl2O3nMgO.nSiO2(clinker density 3.5)
Present inventor, which studies, to be found, reducing atmosphere changes with the height of stock column, the concentration of oxidizing atmosphere, is
Effective reduction arsenic, the utility model, which is taken, to be improved stock column (the higher coke layer of stock column is more, and reducing atmosphere is stronger), reduces into stove
The method of oxygen-rich concentration (in stove have more than needed the fewer reducing atmosphere of oxygen stronger) improve the reducing atmosphere in stove, in order to prevent arsenic
Volatilizing again, we take and reduce the method for blast intensity (improve stock column while also reduce charge level temperature) to control charge level temperature.
Method and technology of the present utility model is exactly using raising stock column, reduces oxygen-rich concentration, control charge level temperature in 150-
Operated under 250 DEG C of cryogenic conditions, arsenic is no longer volatilized after reducing, separated after making arsenic iron white metal by being incubated external crucible precipitation,
Reach the purpose that arsenic white metal is made in recovery.
The beneficial effects of the utility model are：
1st, the method for smelting of the arsenic-containing material, the step of eliminating washing filtering before melting, and by adjust it is oxygen-enriched also
The technical parameter of former melting, oxygen-enriched reduction melting directly is carried out to arsenic-containing material, obtains arsenic iron white metal as follow-up smelting
Raw material, and the smelting cost of washing dearsenification is saved, economic benefit is created for enterprise, while also efficiently solve arsenic again
Volatilization pollutes environment and the technical barrier of do harm to huamn body.The method of smelting, eliminate washing filtering before melting
The step of, oxygen-enriched reduction melting directly is carried out to arsenic-containing material and greatly simplifies method flow.
2nd, by varigrained arsenic-containing material screening process, being smoothed out for melting is advantageous to.
3rd, the smelting equipment of the arsenic-containing material, improves the setting of flue in reduction furnace, and flue stretches into water
In set, when flue gas is discharged from flue, negative pressure region is formed in the both sides of flue one end, and is set in negative pressure region
Charge door is put, is not in convection current so in charging so that the more convenient safety of operation of charging.
4th, insulation cover is added on insulation external crucible body, and by the way of spray combustion gas insulation, is easy to that external crucible sheet will be incubated
Internal temperature control is at 1250-1300 DEG C.
5th, it is that can strengthen reduction after 6.5m, raising stock column to control stock column highly stable using the water jacket increased
Atmosphere, it is easy to the progress of reduction reaction.
6th, liquid slag is transferred to insulation external crucible from reduction furnace by the way of siphon, is easy to control and realize continuous production.
7th, charging scffold and charging lift facilitate feeding operation, reduce the labor intensity of operator.
8th, the exhaust gases passes also include air-introduced machine, and air-introduced machine can extract flue gas out, while in one end of exhaust gases passes
Negative pressure is formed, is easy to ventilate and feeds.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram of the processing of arsenic-containing material melting in the prior art；
Fig. 2 is the method flow diagram using smelting equipment melting arsenic-containing material of the present utility model；
Fig. 3 is the front view of smelting equipment of the present utility model；
Fig. 4 is the left view of smelting equipment of the present utility model；
Fig. 5 is the A-A sectional views of smelting equipment shown in Fig. 4.
Reference
1- reduction furnaces；11- cupola wells；121- body of heater tuyere coolers；122- upper of furnace body water jackets；123- envelope material water jackets；13- cigarettes
Gas passage；14- blowing mouths；15- charge doors；16- air loop ducts；2- reduced blast furnaces flow through bridge；3- is incubated external crucible；Before 31- insulations
Bed body；32- insulation covers；33- liquid stream slag chutes；34- arsenic iron white metal chutes；35- gas nozzles；41- ingot casting supports；42- casts
Ingot mould；5- charging scffolds；6- charging lifts.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
A kind of smelting equipment of arsenic-containing material, including reduction furnace 1, reduced blast furnace flow through bridge 2 and insulation external crucible 3, described to go back
Former stove 1 flows through bridge 2 by the reduced blast furnace and connected with the insulation external crucible 3, wherein：
The reduction furnace 1 includes cupola well 11, water jacket and exhaust gases passes 13, and the water jacket is arranged on the cupola well 11, institute
State exhaust gases passes 13 to connect with the water jacket, one end of the exhaust gases passes 13 extend into water jacket in the middle part of the roof of the water jacket
Inside；The bottom of the water jacket is provided with blowing mouth 14, and the top of the water jacket is provided with charge door 15；The exhaust gases passes 13
The other end is emptying end, and the emptying end is provided with exhaust gas processing device.In addition, as needed, the exhaust gases passes 13 also include
Air-introduced machine, air-introduced machine can extract flue gas out, while stretch into one end formation negative pressure of water jacket in exhaust gases passes 13, in negative pressure region
Charge door 15 is set, is not in convection current so in charging so that the more convenient safety of operation of charging is easy to ventilate and added
Material.
The insulation external crucible 3 includes insulation external crucible body 31 and insulation cover 32, the insulation cover 32 are arranged on the insulation
On external crucible body 31, liquid stream slag chute 33 and arsenic iron white metal chute 34, institute are provided with the side wall of the insulation external crucible body 31
State insulation cover 32 and be provided with gas nozzle 35.Insulation cover 32 is added on insulation external crucible body 31, and using spray combustion gas insulation
Mode, the temperature control for being easy to be incubated in external crucible body 31 is at 1250-1300 DEG C.
The smelting equipment of the arsenic-containing material, improves the setting of flue in reduction furnace 1, and flue stretches into water jacket
In, when flue gas is discharged from flue, negative pressure region is formed in the both sides of flue one end, and set in negative pressure region
Charge door 15, be not in convection current so in charging so that the more convenient safety of operation of charging.Using the water jacket increased,
It is that can strengthen reducing atmosphere after 6.5m, raising stock column to control stock column highly stable, is easy to the progress of reduction reaction.
The water jacket includes body of heater tuyere cooler 121, upper of furnace body water jacket 122 and envelope material water jacket 123 successively from top to bottom,
The height sum of the body of heater tuyere cooler 121 and upper of furnace body water jacket 122 is 6500mm；The blowing mouth 14 is arranged on described
On the lower sides of body of heater tuyere cooler 121；Stretched in the middle part of the roof of the envelope material water jacket 123 one end of the exhaust gases passes 13
Enter the inside to water jacket, and flushed with the top of the upper of furnace body water jacket 122.
For ease of blowing natural gas into reduction furnace 1, the smelting equipment also includes the annular connected with the blowing mouth 14
Airduct 16, the disk of air loop duct 16 are located at the middle part of the water jacket.
It is siphon passage that the reduced blast furnace, which flows through bridge 2, and liquid slag is transferred into insulation from reduction furnace 1 by the way of siphon
External crucible 3, it is easy to control and realize continuous production.
The smelting equipment also includes moulds in casting wheel, and the moulds in casting wheel is arranged on the arsenic iron white metal chute 34
Exit below.The moulds in casting wheel includes ingot casting support 41 and ingot mould 42, and the ingot mould 42 is arranged on the casting
On ingot support 41.
The smelting equipment also includes charging scffold 5 and charging lift 6, top and the stove of the charging scffold 5
The top of body top water jacket 122 flushes.The charging lift 6 is close to the charging scffold 5 and set, the charging lift 6
Maximum lifting height it is identical with the overhead height of the charging scffold 5.Charging scffold 5 and the convenient charging behaviour of charging lift 6
Make, reduce the labor intensity of operator.
The bosh angle of the cupola well 11 is 6.7 °, and the angle of the blowing mouth 14 and horizontal plane is 10.3 °, the blowing mouth
14 apart from the height of the cupola well 11 be 350mm.
The method of smelting carried out using the smelting equipment of the arsenic-containing material, is comprised the following steps：
A, dispensing：Arsenic-containing material is collected, each substance weight degree is as follows in the arsenic-containing material：Moisture 10-
12%th, arsenic element≤6%, silica 1 0-12%, ferro element 22-23%, calcium oxide≤8%, surplus are impurity；Arsenic will be contained
Material is sieved, standby as raw materials for metallurgy after sending arsenic-containing material of the granularity less than 30mm to pressure brickwork sequence pressure brick；Granularity exists
More than 30mm arsenic-containing material is standby standby as raw materials for metallurgy directly as raw materials for metallurgy；It is described pressure brickwork sequence be：Arsenic will be contained
Material is pressed into brick, and every piece of brick 4-5kg is standby as raw materials for metallurgy after brick is spontaneously dried 3-4 days after compacting；
B, oxygen-enriched reduction melting：The arsenic-containing material that coke, flux and step A are obtained is added in reactor, the flux
For lime and/or iron powder；The oxygen-enriched air that oxygen concentration is 23-24%, the blast intensity of oxygen-enriched air are passed through into reactor
For 26-28m3/m2。Min, blast pressure 29.6-30.0KPa；It is 150-250 DEG C to control charge level temperature, to the arsenic-containing material
Carry out oxygen-enriched reduction melting；
C, arsenic iron white metal is collected：The liquid slag that the oxygen-enriched reduction melting of collection step B obtains, and the liquid slag is incubated
In 1250-1300 DEG C of insulation external crucible, copper matte regulus matte, arsenic iron white metal and clinker are collected after stratification, wherein, work as matte
When depth 550mm or so is deep, start to put copper matte regulus matte；By clinker using obtaining Water Quenching Slag after water quenching；
D, oxygen-enriched reduction melting, liquid slag stratification and flue gas caused by water granulated slag are collected, through settling, cooling down, removing
Discharged after dirt and desulfurization, raw materials for metallurgy is used as in the ash return to step of lead fume containing the arsenic A obtained during collecting dust-removing, collect desulfurization
During obtain gypsum tailings.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (9)
1. a kind of smelting equipment of arsenic-containing material, it is characterised in that the smelting equipment includes reduction furnace, reduced blast furnace flows through bridge
With insulation external crucible, the reduction furnace flows through bridge by the reduced blast furnace and connected with the insulation external crucible, wherein：
The reduction furnace includes cupola well, water jacket and exhaust gases passes, and the water jacket is arranged on the cupola well, the exhaust gases passes with
The water jacket connection, one end of the exhaust gases passes extend into the inside of water jacket in the middle part of the roof of the water jacket；The water jacket
Bottom be provided with blowing mouth, the top of the water jacket is provided with charge door；
The insulation external crucible includes insulation external crucible body and insulation cover, and the insulation cover is arranged on the insulation external crucible body,
Liquid stream slag chute and arsenic iron white metal chute are provided with the side wall of the insulation external crucible body, the insulation cover is provided with gas injection
Mouth.
2. smelting equipment according to claim 1, it is characterised in that the water jacket includes body of heater air port successively from top to bottom
Water jacket, upper of furnace body water jacket and envelope material water jacket, the height sum of the body of heater tuyere cooler and upper of furnace body water jacket is 6500mm；
The blowing mouth is arranged on the lower sides of the body of heater tuyere cooler；One end of the exhaust gases passes is from the envelope material water jacket
Roof in the middle part of extend into the inside of water jacket, and with being flushed at the top of the upper of furnace body water jacket.
3. smelting equipment according to claim 1, it is characterised in that the smelting equipment also includes connecting with the blowing mouth
Logical air loop duct, the air loop duct disk are located at the middle part of the water jacket.
4. smelting equipment according to claim 1, it is characterised in that the smelting equipment also includes moulds in casting wheel, institute
Moulds in casting wheel is stated to be arranged on below the exit of the arsenic iron white metal chute.
5. smelting equipment according to claim 4, it is characterised in that the moulds in casting wheel includes ingot casting support and ingot casting
Mould, the ingot mould are arranged on the ingot casting support.
6. smelting equipment according to claim 2, it is characterised in that the smelting equipment also includes charging scffold, described
The top of charging scffold at the top of the upper of furnace body water jacket with flushing.
7. smelting equipment according to claim 6, it is characterised in that the smelting equipment also includes charging lift, institute
State charging lift and be close to the charging scffold setting, the maximum lifting height of the charging lift and the charging scffold
Overhead height is identical.
8. smelting equipment according to claim 1, it is characterised in that the other end of the exhaust gases passes is to empty end, institute
State emptying end and be provided with exhaust gas processing device.
9. smelting equipment according to claim 1, it is characterised in that the bosh angle of the cupola well is 6.7 °, the blowing
The angle of mouth and horizontal plane is 10.3 °, and the blowing mouth is 350mm apart from the height of the cupola well.
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| CN201720809698.0U CN206986254U (en) | 2017-07-04 | 2017-07-04 | A kind of smelting equipment of arsenic-containing material |
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| CN201720809698.0U CN206986254U (en) | 2017-07-04 | 2017-07-04 | A kind of smelting equipment of arsenic-containing material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107164638A (en) * | 2017-07-04 | 2017-09-15 | 阿拉山口市锦丰工贸有限公司 | The method of smelting and equipment of a kind of arsenic-containing material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107164638A (en) * | 2017-07-04 | 2017-09-15 | 阿拉山口市锦丰工贸有限公司 | The method of smelting and equipment of a kind of arsenic-containing material |
| CN107164638B (en) * | 2017-07-04 | 2018-10-02 | 阿拉山口市锦丰工贸有限公司 | A kind of method of smelting and equipment of arsenic-containing material |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210609 Address after: 043700 low carbon circular economy industrial cluster in Yuanqu County, Yuncheng City, Shanxi Province Patentee after: Shanxi Yijia Environmental Protection Technology Co.,Ltd. Address before: Room 3-302, 18 Youyi lane, Alashankou, Bortala Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: ALASHANKOU JINFENG INDUSTRY AND TRADE Co.,Ltd. |
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Denomination of utility model: A smelting equipment for arsenic containing materials Effective date of registration: 20220527 Granted publication date: 20180209 Pledgee: Yunsheng commercial factoring (Shenzhen) Co.,Ltd. Pledgor: Shanxi Yijia Environmental Protection Technology Co.,Ltd. Registration number: Y2022140000018 |
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Denomination of utility model: A Smelting Equipment for Arsenic Containing Materials Effective date of registration: 20230522 Granted publication date: 20180209 Pledgee: Yunsheng commercial factoring (Shenzhen) Co.,Ltd. Pledgor: Shanxi Yijia Environmental Protection Technology Co.,Ltd. Registration number: Y2023140000024 |
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Denomination of utility model: A melting equipment for arsenic containing materials Granted publication date: 20180209 Pledgee: Yunsheng commercial factoring (Shenzhen) Co.,Ltd. Pledgor: Shanxi Yijia Environmental Protection Technology Co.,Ltd. Registration number: Y2024980018658 |