CN206089776U - Lead zinc ore 's melting equipment - Google Patents
Lead zinc ore 's melting equipment Download PDFInfo
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- CN206089776U CN206089776U CN201620830226.9U CN201620830226U CN206089776U CN 206089776 U CN206089776 U CN 206089776U CN 201620830226 U CN201620830226 U CN 201620830226U CN 206089776 U CN206089776 U CN 206089776U
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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
- 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
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a lead zinc ore's melting equipment, include: bottom blowing smelting furnace, its top are provided with matter entrance and smelt the exhanst gas outlet, and the bottom is provided with oxygen lance and fuse -element export, power frequency electrothermic reduction furnace, it includes vertical reduction section and horizontal settling section to vertical reduction section's lower extreme passageway is linked together with the upper end passageway of horizontal settling section, and reduction section is provided with melt inlet, reductant entry and contains the zinc exhanst gas outlet, and melt inlet links to each other with the fuse -element export, and horizontal settling section is provided with slag outlet and liquid lead export, zinc rain condenser, it has including zinc flue gas entry, liquid zinc export and coal gas export, contains zinc flue gas entry and contain the zinc exhanst gas outlet to link to each other. Utilize this equipment, need not select separately lead zinc ore, can be directly with lead zinc ore behind the oxidizing fusion, supply with to power frequency electrothermic reduction furnace under the high -temperature melt state, in this furnace body, zinc oxide can be metallic zinc steam by the high temperature carbon reduction, further obtains liquid metallic zinc through the condensation.
Description
Technical field
The utility model belongs to field of metallurgy, and specifically, the utility model is related to a kind of smelting equipment of Pb-Zn deposits.
Background technology
Mineral intergrowth mostly is based on led-zinc-silver deposit, is generally individually sorted after exploitation at present as lead concentrate and zinc concentrate, difference
Song Qian smelteries and zinc abstraction factory are separately processed.It is always miscellaneous in lead concentrate to have a number of zinc, zinc essence because sorting is difficult to thoroughly
It is miscellaneous in ore deposit to have a number of lead.Smelt output Zn dust Xu Song zinc factory and office of Hou Qian factories reason, output lead smelting gas Xu Song lead factory of zinc factory
Process.
Thus, current Pb-Zn deposits are smelted means and are still had much room for improvement.
Utility model content
The utility model is intended at least to solve to a certain extent one of technical problem in correlation technique.For this purpose, this reality
With a new purpose be propose it is a kind of can be with the smelting equipment of effective process Pb-Zn deposits.
In one side of the present utility model, the utility model proposes a kind of smelting equipment of Pb-Zn deposits.According to this reality
With new embodiment, the equipment includes：
Bottom-blown smelting stove, the top of the bottom-blown smelting stove is provided with material inlet and melting exhanst gas outlet, the bottom blowing
The bottom of smelting furnace is provided with oxygen lance and melt outlet；
Power frequency electric reduction furnace, the power frequency electric reduction furnace includes vertical reduction section and Horizontal sedimentation section, and described
Vertically the lower end passage of reduction section is connected with the Upper passage of the Horizontal sedimentation section, and the reduction section is provided with melt and enters
Mouth, reducing agent entrance and exhanst gas outlet containing zinc, the melt inlet is connected with the melt outlet, and the Horizontal sedimentation section is arranged
There are slag outlet and liquid lead outlet；And
Zinc rain condenser, the zinc rain condenser has smoke inlet containing zinc, liquid Zn outlet and gas exit, described to contain
Zinc smoke inlet is connected with the exhanst gas outlet containing zinc.
Thus, using the equipment, it is not necessary to which Pb-Zn deposits are sorted, directly Pb-Zn deposits are supplied into bottom convertor is carried out
After oxidizing fusion, supply under high-temperature fusant state to power frequency electric reduction furnace, in the body of heater, zinc oxide can be by pyrocarbon
Metal zinc fume is reduced to, further liquid metal zinc is obtained by condensation.Into the lead oxide in body of heater, reduced by pyrocarbon
For liquid metal lead, together with the liquid lead skim of the oxide composition such as iron, silicon, calcium, aluminium, magnesium straight well formula power frequency electrothermal furnace is dropped to
Bottom expansion chamber.Slag lead separation is carried out in expansion chamber, metallic lead is released by expansion chamber lower tap hole, released by expansion chamber top
Mouth releases slag, outer after furnace slag granulating to sell.
In addition, can also have following additional skill according to the smelting equipment of the Pb-Zn deposits of the utility model above-described embodiment
Art feature：
Optional, separately it is provided with coil on the side wall of the vertical reduction section and the Horizontal sedimentation section.By
This, the alternating magnetic field produced using coil maintains the furnace temperature of reduction section and settling section, and the smelting such that it is able to improve Pb-Zn deposits is imitated
Rate.
Optional, the reducing agent porch is provided with double-charging bell feeder.
Optional, the smelting equipment of the Pb-Zn deposits is further included：Waste heat boiler, the waste heat boiler has melting cigarette
Gas entrance and cooling exhanst gas outlet, the melting smoke inlet is connected with the melting exhanst gas outlet；Deduster, the deduster
With cooling smoke inlet, flue dust outlet and exhanst gas outlet, the cooling smoke inlet is connected with the cooling exhanst gas outlet, institute
State flue dust outlet to be connected with the material inlet；Sulphuric acid plant, the sulphuric acid plant has exhanst gas outlet and sulfuric acid outlet, described
Smoke inlet is connected with the exhanst gas outlet.
Optional, the deduster is electric cleaner.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or by it is of the present utility model practice recognize.
Description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from the description with reference to accompanying drawings below to embodiment
Become obvious and easy to understand, wherein：
Fig. 1 is the structural representation of the smelting equipment of the Pb-Zn deposits according to the utility model one embodiment；
Fig. 2 is the part-structure top view in the smelting equipment according to the Pb-Zn deposits of the utility model further embodiment；
Fig. 3 is the structural representation of the smelting equipment of the Pb-Zn deposits according to the utility model further embodiment.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element is represented to same or similar label eventually or the element with same or like function.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Restriction.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " is based on shown in the drawings
Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply the dress of indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral；Can be
It is mechanically connected, or electrically connects；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements, unless otherwise clearly restriction.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In one side of the present utility model, the utility model proposes a kind of smelting equipment of Pb-Zn deposits.According to this reality
With new embodiment, with reference to Fig. 1 and 2, the equipment includes：Bottom-blown smelting stove 100, power frequency electric reduction furnace 200 and zinc rain are cold
Condenser 300.
According to embodiment of the present utility model, bottom-blown smelting stove 100 has material inlet 101, oxygen lance 11, melting cigarette
Gas outlet 102 and melt outlet 104, and be suitable to supply Pb-Zn deposits and flux Jing material inlets oxygen is carried out into bottom-blown smelting stove
Change melting, it is hereby achieved that the melt containing zinc oxide and lead oxide and the melting flue gas containing sulfur dioxide.Specifically,
Pb-Zn deposits can be lead zinc composite sulfuration ore deposit, and appropriate slag former can be added during oxidizing semlting.Need explanation
, those skilled in the art can be selected the flux that adopted and the condition of oxidizing semlting according to actual needs,
For example, flux can be lime stone, dolomite etc..Inventor has found, by being aoxidized to Pb-Zn deposits using bottom-blown smelting stove
Melting process, oxidizing semlting efficiency can be significantly improved, so as to improve subsequent process in metallic lead yield.
According to a specific embodiment of the present utility model, material inlet 101 is arranged on the top of bottom-blown smelting stove 100,
And be suitable to supply Pb-Zn deposits and flux into bottom-blown smelting stove, and material inlet 101 can be multiple.
According to another specific embodiment of the present utility model, oxygen lance 11 is arranged on the bottom of bottom-blown smelting stove, and
It is suitable in from the bottom of bottom-blown smelting stove to smelting furnace supply at least one in oxygen, oxygen-enriched and air, it is of the invention
Specific example, oxygen lance 11 can be multiple.
According to another specific embodiment of the present utility model, melting exhanst gas outlet 102 is arranged on bottom-blown smelting stove 100
Inside top, and the discharge smelting furnace of the melting flue gas containing sulfur dioxide for being suitable to produce oxidizing semlting process.
According to another specific embodiment of the present utility model, melt outlet 103 is arranged on the bottom of bottom-blown smelting stove 100
Inside end, and the discharge smelting furnace of the melt containing zinc oxide and lead oxide for being suitable to generate oxidizing semlting process.
According to one embodiment of the present utility model, the temperature containing zinc oxide and the melt of lead oxide is at least 900 to take the photograph
Family name's degree.Thus, it is possible to further improve the Environmental Protection Level that Pb-Zn deposits are smelted in subsequent process.
According to embodiment of the present utility model, power frequency electric reduction furnace 200 has melt inlet 201, reducing agent entrance
202nd, liquid lead outlet 203, slag outlet 204 and exhanst gas outlet containing zinc 205, melt inlet 201 is connected with melt outlet 103,
And be suitable to utilize reducing agent, to the melt containing zinc oxide and lead oxide resulting in bottom-blown smelting stove in power frequency electrothermal reduction
Reduction treatment and slag settlement treatment are carried out in stove, it is hereby achieved that flue gas containing zinc, liquid lead and slag.
According to one embodiment of the present utility model, can by siphon port, by bottom-blown smelting stove obtain containing oxidation
The melt of zinc and lead oxide is supplied into power frequency electric reduction furnace.Inventor's discovery, can be effective by being fed using siphon port
Ground is fed under air-proof condition, such that it is able to further improve the efficiency that Pb-Zn deposits are smelted.
According to further embodiment of the present utility model, with reference to Fig. 1 and Fig. 2, power frequency electric reduction furnace 200 can include perpendicular
Straight reduction section 21 and Horizontal sedimentation section 22, the lower end passage of vertical reduction section 21 is connected with the Upper passage of Horizontal sedimentation section 22
It is logical, and vertically the lower end passage of reduction section 21 is tilted upward, and it is heavy that the reducing agent such that it is able to avoid addition reduction section is entered into
Drop section.
According to a specific embodiment of the present utility model, melt inlet 201 and reducing agent entrance 202 are arranged on vertically also
The top of former section 21, exhanst gas outlet containing zinc 205 is arranged on the side wall of vertical reduction section 21.
According to another specific embodiment of the present utility model, slag outlet 204 and liquid lead outlet 203 be arranged on it is horizontal
On the side wall of settling section 22.
According on the outer wall of another specific embodiment of the present utility model, vertical reduction section 21 and Horizontal sedimentation section 22 points
It has not been provided independently from coil 23.Specifically, as shown in Fig. 2 thus, by vertical reduction section 21 and Horizontal sedimentation section 22
Coil 23 is set on outer wall, the furnace temperature that alternating magnetic field maintains reduction section and settling section is produced using coil, such that it is able to further
Improve the efficiency that Pb-Zn deposits are smelted.According to specific embodiment of the utility model, 200～400 kilowatts of the line of induction can be adopted
Circle.
According to another embodiment of the present utility model, reducing agent can be coke.Thus, it is possible to further improve lead zinc
The efficiency of mining and metallurgy refining.
According to another embodiment of the present utility model, magnetic conductor is may further include in reducing agent.Thus, in outside
Under the action of alternating magnetic field that coil is produced, magnetic conductor can effectively keep in-furnace temperature to stablize, such that it is able to further raising
The efficiency that Pb-Zn deposits are smelted.
According to another embodiment of the present utility model, magnetic conductor can be graphite.Inventor has found that graphite can be effective
Ground magnetic conduction, and impurity will not be introduced to subsequent reactions, such that it is able to further improve the efficiency that Pb-Zn deposits are smelted.Specifically,
Coke and graphite block mixture are added directly in the reduction section in power frequency electric reduction furnace, and coke is used as reducing agent, graphite block
As magnetic conducting and heating material (carbon during actual production in graphite equally has certain reproducibility), single is housed outside reduction section furnace shell
Coil, coil produces the magnetic field of change during indirect current, and graphite block is affected to start to generate heat simultaneously circumference by the variation magnetic field
Coke and melt, maintain reaction zone thermal balance, make the temperature for being entirely reduced directly section meet the requirement of smelting charge of lead and zinc direct-reduction.
According to one embodiment of the present utility model, graphite can be the 10～50% of reducing agent quality.Thus, it is possible to enter
One step improves the efficiency that Pb-Zn deposits are smelted.Inventor has found, if the ratio of graphite is too small, is insufficient to allow in reduction space
Temperature stabilization, if the ratio of graphite is excessive, can affect the efficiency of reduction treatment.
According to another embodiment of the present utility model, liquid lead is discharged by siphon port.Thus, it is possible to further improve
The efficiency that Pb-Zn deposits are smelted.
According to another embodiment of the present utility model, double-charging bell feeder 24 is provided with reducing agent entrance 202.Specifically
, the charging bell of incandescent coke and graphite block will be filled by Special crane, accurately fall to sitting to double-charging bell feeder, then put down
Charging bell bottom valve, incandescent coke is fallen in the bucket of double-charging bell feeder top with graphite, then hangs away charging bell, then puts down extra quality
The top bottom valve of clock feeder, coke is fallen in the bottom bucket of double-charging bell feeder with graphite, now lifts top bottom valve, is closed
Gas passage, then the bottom bottom valve of double-charging bell feeder is opened, most at last incandescent coke is added with graphite block by reducing agent entrance
Enter in power frequency electric reduction furnace in reduction reaction area, and with this cycle operation, be continuously replenished the coke of continuous consumption in reaction zone
With graphite block.
In the step, specifically, when the melt containing zinc oxide and lead oxide falls into the reduction section of power frequency electric reduction furnace
In, run into red-hot coke, reduction reaction can immediately occur and generate the metallic lead of melting, slag and containing zinc fume and an oxygen
Change the flue gas of carbon/carbon dioxide.The metallic lead and slag of melting flows downward, and Jing reduction section hypomere passages are from the upper end of settling section
Passage (it is inclined upwardly, in order to avoid coke and graphite block fall into precipitating phase) flow into precipitating phase.Coil is also provided with outside precipitating phase furnace shell,
The metallic lead of melting can generate heat maintenance furnace temperature in the presence of variation magnetic field, so as to keep certain mobility.Finally, melting
Metallic lead is released from precipitating phase bottom siphon lead tap, and after accumulation to a certain extent, slag passes through top slag tap to a small amount of slag
Release.
According to embodiment of the present utility model, zinc rain condenser 300 has smoke inlet containing zinc 301, liquid Zn outlet 302
With gas exit 303, smoke inlet containing zinc 301 is connected with exhanst gas outlet containing zinc 205, and is suitable to obtain in power frequency electric reduction furnace
To flue gas containing zinc condensed, to obtain liquid Zn and coal gas.Thus, can be by carrying in flue gas containing zinc using zinc rain
Metallic zinc is condensed out, and the carbon monoxide or/and carbon dioxide continuation that wherein carry are present in a gaseous form, and is further washed
Wash and be recycled in coal gas form after purification.Specifically, the liquid Zn rain lead that zinc rain condenser is trapped by zinc rain, uses pump
Zinc liquid cooling bath is sent to, after refrigerated separation lead, part zinc liquid is cast into product coarse zinc ingot metal, and part zinc liquid returns zinc rain condenser and follows
Ring is used to trap zinc fume.
Thus, Pb-Zn deposits effectively can be carried out smelting by the equipment smelted according to the Pb-Zn deposits of the utility model embodiment
Refining, as it was previously stated, using the equipment, it is not necessary to which Pb-Zn deposits are sorted, directly supplies Pb-Zn deposits into bottom-blown smelting stove
After carrying out oxidizing semlting, supply under high-temperature fusant state to power frequency electric reduction furnace, in the body of heater, zinc oxide can be high
Warm carbon is reduced to metal zinc fume, further obtains liquid metal zinc by condensation.Into the lead oxide in body of heater, by pyrocarbon
Liquid metal lead is reduced to, together with the liquid lead skim of the oxide such as iron, silicon, calcium, aluminium, magnesium composition straight well formula power frequency electric is dropped to
Hot stove bottom expansion chamber.Slag lead separation is carried out in expansion chamber.Metallic lead is released by expansion chamber lower tap hole.It is new according to this practicality
The embodiment of type, can release slag by expansion chamber top discharge port.It is outer after furnace slag granulating to sell.
With reference to Fig. 3, further included according to the smelting equipment of the Pb-Zn deposits of the utility model embodiment：Waste heat boiler 400,
Deduster 500 and sulphuric acid plant 600.
According to embodiment of the present utility model, waste heat boiler 400 has melting smoke inlet 401 and cooling exhanst gas outlet
402, melting smoke inlet 401 is connected with melting exhanst gas outlet 102, and is suitable to enter the melting flue gas of generation in bottom-blown smelting stove
Row waste heat recovery, obtains flue gas of lowering the temperature.Thus, it is possible to so that equipment waste heat is fully utilized.
According to embodiment of the present utility model, deduster 500 has cooling smoke inlet 501, flue dust outlet 502 and flue gas
Outlet 503, cooling smoke inlet 501 is connected with cooling exhanst gas outlet 402, and flue dust outlet 502 is connected with material inlet 101, and
The cooling flue gas for being suitable to will to obtain in waste heat boiler is supplied into deduster and carries out gas solid separation process, is obtained containing sulfur dioxide
Flue gas and flue dust, and resulting flue dust is back in bottom-blown smelting stove proceed oxidizing semlting process.Thus, may be used
To significantly improve raw material availability.According to a specific embodiment of the present utility model, deduster can be electric cleaner.By
This, can further improve efficiency of dust collection.
According to embodiment of the present utility model, sulphuric acid plant 600 has exhanst gas outlet 601 and sulfuric acid outlet 602, and flue gas enters
Mouth 601 is connected with exhanst gas outlet 503, and is suitable to the flue gas containing sulfur dioxide isolated in deduster be supplied to relieving haperacidity
Sulfuric acid is prepared in device.Thus, it is possible to further improve raw material availability.
According to embodiment of the present utility model, can be at least according to the smelting equipment of the Pb-Zn deposits of the utility model embodiment
With at least one following advantage：
According to embodiment of the present utility model, simplify the mineral processing circuit of lead and zinc mineral resources, improve valuable gold
The category rate of recovery, reduces beneficiation cost.
According to embodiment of the present utility model, lead zinc synchronous smelting together, eliminate original technique lead factory and zinc factory it
Between accompanying element produce intermediate material mutually have bad luck back and forth, without intermediate material transport, reduce main Metal Production cost.
According to embodiment of the present utility model, using main frequency furnace electrothermal reduction lead zinc, it is to avoid original technique is using air-supply
Or oxygen is sent, just maintain reduction process thermal balance by fuel burning heat supply.Fuel burning dimension temperature, exhaust gas volumn is big, flue gas take away waste heat compared with
It is many, therefore energy consumption is higher.Lead oxide, zinc oxide, three oxidations being reduced are needed in the high-temperature fusant that electrothermal reduction is only added
The oxygen that the materials such as two iron are brought into just consumes reducing agent carbon or hydrogen.Reducing agent consumption is theoretical value, and the exhaust gas volumn of generation is also reason
By value, energy consumption is minimum in all techniques.
According to embodiment of the present utility model, at present in the world more than 85% zinc is produced by wet method smelting process, its leaching
Slagging tap, to be danger waste dump be one the difficult problem of environmental protection, and its harmless treatment, existing process energy consumption is very high.This technique can Jing
Ji effectively solves the difficult problem that zinc leaching residue pollutes environment.
According to authorizing invention CN200610066648.4 " a kind of lead smelting process and device " for realizing the lead smelting process
Expanding test parameter, using vertical shaft type electrothermal reduction, lead, zinc metal recovery rate are all very high.Accompanying element beyond lead zinc, such as
Au, Ag, Cu, Ni, Bi, Sn, the overwhelming majority is reduced in lead bullion, and the volatile matter such as Cd, Ga, In, Il, Ge be condensed into
Enter crude zinc.With lead bullion and crude zinc refining process, these associated metals can be one by one reclaimed respectively, realize that high integrity is utilized.Extremely
Contained As, Hg accompanying element in lead and zinc industry, the overwhelming majority enters flue gas quilt during first step oxidizing semlting
Remove, do not inquire in the range of this patent.
Ore deposit thermal resistance stove heat supply is adopted in prior art, there is multiple electrodes patchhole, electrode-inserting holes are difficult to positive confinement,
More rare flue gas leaks impact environment.This patent adopts main frequency furnace heat supply, and without electrode-inserting holes, body of heater is all sealed, nothing
Flue gas leaks, with optimal environmental benefit.Reduced using ore-smelting electric furnace, to be sprayed by air or nitrogen to the inside of ore-smelting electric furnace
Blow fine coal reduces zinc fume concentration as reducing agent, air or nitrogen, and slag is containing Zn >=3%, and with main frequency furnace also
Stoste state smelting charge of lead and zinc, zinc fume concentration is high, and slag can reach theoretical value≤0.22% containing zinc, so using ore-smelting electric furnace
Carrying out reducing and smelting smelting charge of lead and zinc needs to be followed by fuming furnace to be further processed slag, and uses main frequency furnace then without the need for right again
Slag carries out advanced treating.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combine in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, be changed, being replaced and modification.
Claims (5)
1. a kind of smelting equipment of Pb-Zn deposits, it is characterised in that include：
Bottom-blown smelting stove, the top of the bottom-blown smelting stove is provided with material inlet and melting exhanst gas outlet, the bottom-blown smelting
The bottom of stove is provided with oxygen lance and melt outlet；
Power frequency electric reduction furnace, the power frequency electric reduction furnace includes vertical reduction section and Horizontal sedimentation section, and described vertical
The lower end passage of reduction section is connected with the Upper passage of the Horizontal sedimentation section, and the reduction section is provided with melt inlet, goes back
Former agent entrance and exhanst gas outlet containing zinc, the melt inlet is connected with the melt outlet, and the Horizontal sedimentation section is provided with stove
Slag is exported and liquid lead outlet；And
Zinc rain condenser, the zinc rain condenser has smoke inlet containing zinc, liquid Zn outlet and gas exit, the cigarette containing zinc
Gas entrance is connected with the exhanst gas outlet containing zinc.
2. equipment according to claim 1, it is characterised in that the side wall of the vertical reduction section and the Horizontal sedimentation section
On be separately provided with coil.
3. equipment according to claim 1 and 2, it is characterised in that the reducing agent porch is provided with double-charging bell charging
Device.
4. equipment according to claim 1, it is characterised in that further include：
Waste heat boiler, the waste heat boiler has melting smoke inlet and cooling exhanst gas outlet, the melting smoke inlet and institute
State melting exhanst gas outlet to be connected；
Deduster, the deduster has cooling smoke inlet, flue dust outlet and exhanst gas outlet, the cooling smoke inlet and institute
State cooling exhanst gas outlet to be connected, the flue dust outlet is connected with the material inlet；
Sulphuric acid plant, the sulphuric acid plant has exhanst gas outlet and sulfuric acid outlet, the smoke inlet and the exhanst gas outlet phase
Even.
5. equipment according to claim 4, it is characterised in that the deduster is electric cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620830226.9U CN206089776U (en) | 2016-08-02 | 2016-08-02 | Lead zinc ore 's melting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620830226.9U CN206089776U (en) | 2016-08-02 | 2016-08-02 | Lead zinc ore 's melting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206089776U true CN206089776U (en) | 2017-04-12 |
Family
ID=58467775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620830226.9U Active CN206089776U (en) | 2016-08-02 | 2016-08-02 | Lead zinc ore 's melting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206089776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086463A (en) * | 2016-08-02 | 2016-11-09 | 中国恩菲工程技术有限公司 | The smelting equipment of Pb-Zn deposits |
-
2016
- 2016-08-02 CN CN201620830226.9U patent/CN206089776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086463A (en) * | 2016-08-02 | 2016-11-09 | 中国恩菲工程技术有限公司 | The smelting equipment of Pb-Zn deposits |
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