CN107338361A - Energy-saving type heat-preserving external crucible and its application method - Google Patents
Energy-saving type heat-preserving external crucible and its application method Download PDFInfo
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- CN107338361A CN107338361A CN201710047454.8A CN201710047454A CN107338361A CN 107338361 A CN107338361 A CN 107338361A CN 201710047454 A CN201710047454 A CN 201710047454A CN 107338361 A CN107338361 A CN 107338361A
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- external crucible
- coal
- slag
- matte
- crucible body
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0026—Pyrometallurgy
- C22B15/0054—Slag, slime, speiss, or dross treating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
- C22B7/004—Dry processes separating two or more metals by melting out (liquation), i.e. heating above the temperature of the lower melting metal component(s); by fractional crystallisation (controlled freezing)
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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
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to a kind of energy-saving type heat-preserving external crucible, including：External crucible body and insulation cover furnace roof, top of the insulation cover furnace top cover together in external crucible body, there is molten bath in external crucible body, insulation cover furnace roof is provided with the coal spraying jet for being used for spraying fine coal and the slag inlet for injecting reduction furnace slag into external crucible body, external crucible body be provided be used to discharging matte put matte siphon port and the slag-drip opening for discharging clinker, coal spraying jet, slag inlet, put matte siphon port and slag-drip opening connects with molten bath, the coal outlet of coal spraying jet and coal pulverizer connects, the present invention also provides a kind of application method, including：Coal spraying jet is connected with the coal outlet of coal pulverizer, coal pulverizer is opened and fine coal is sprayed into molten bath by coal spraying jet, clinker and matte carry out precipitation separation in molten bath, the beneficial effects of the invention are as follows：Using the heat preserving mode of coal powder injection formula, such a mode consumes that coal is small, high insulating effect, to slag without stirring action, slag is precipitated good separating effect with matte, improves the matte rate of recovery.
Description
Technical field
The present invention relates to metal smelt technical field, more particularly to a kind of energy-saving type heat-preserving external crucible and its application method.
Background technology
Nonferrous metal resource smelting industry at home, refine what lead, copper metallurgy or lead bronze were kneaded with oxygen-enriched side-blown reducing stove
Smelting enterprise, in order that slag precipitation separation effectively recovery matte (i.e. the mixed melting body of copper matte regulus, lead matte, iron sulfonium), raising has
The rate of recovery of valency metal, some small business are typically using clarifying kettle precipitation separation in the prior art, or use open type without guarantor
The external crucible precipitation of warm measure separates, and sedimentation time short easy freezing in above-mentioned two ways, the precipitation poorly efficient fruit of yield is poor, Gong Renlao
Fatigue resistance is big, and working environment is poor, and some large enterprises typically use electrothermal front bed to be returned for fuming furnace during lead smelt
Receipts zinc oxide, although insulation storage clinker does not have precipitation centrifugation, insulation storage molten slag is only used for necessarily
Send fuming furnace blowing to reclaim zinc oxide molten slag after amount, electrothermal front bed investment is big in such a mode, power consumption is high, do not save and
And due to the effect less than precipitation separation that stirs of electric arc.
The content of the invention
In order to solve the above problems, the invention provides a kind of energy-saving type heat-preserving external crucible and its application method, its purpose exists
Obtain being incubated after making slag enter insulation external crucible and do not freeze, matte and valuable metal is kept completely separate in the quiescent state with clinker,
Separative efficiency is improved, and energy consumption is low, economy is produced effects height.
A kind of energy-saving type heat-preserving external crucible, including：External crucible body and insulation cover furnace roof, the insulation cover furnace top cover is together in described
The top of external crucible body, the external crucible body is interior to have molten bath, and the insulation cover furnace roof, which is provided with, to be used for the external crucible body
The coal spraying jet of interior injection fine coal and the slag inlet for injecting reduction furnace slag into the external crucible body, on the external crucible body
Provided with putting matte siphon port and slag-drip opening for discharging clinker, the coal spraying jet, the slag inlet, institute for discharge matte
State and put matte siphon port and the slag-drip opening connects with the molten bath, the coal outlet connection of the coal spraying jet and coal pulverizer.
Further, the external crucible body is piled up by refractory brick forms.
Further, the outer wall of the external crucible body is provided with box hat.
Further, the outer wall of the box hat is provided with multiple reinforcements for reinforcing, and multiple reinforcements are
Channel-section steel.
Further, the bottom of the external crucible body is provided with the base for external crucible body described in support.
Further, the external crucible body is shaped as cuboid, and the base is made up of multiple I-steel, multiple described
Length direction of the I-steel along external crucible body equidistant arrangement successively, and the length direction of each I-steel with it is described
The width of external crucible body is parallel, and the length of each I-steel is equal with the width of the external crucible body.
Further, the insulation cover furnace roof is shaped as arch.
Further, the top of the insulation cover furnace roof, which is provided with, is used to observe the intrinsic furnace roof peep hole of the external crucible.
The present invention also provides a kind of application method of the energy-saving type heat-preserving external crucible described in any one as described above, including following step
Suddenly：
S1：Coal spraying jet is connected with the coal outlet of coal pulverizer, granulated slag groove is positioned over to the lower section of slag-drip opening, matte mould is put
It is placed in the lower section for putting matte siphon port；
S2：Open coal pulverizer and fine coal is sprayed into molten bath by coal spraying jet, reduction furnace is injected into molten bath by slag inlet
Slag；
S3：Clinker and matte carry out precipitation separation in molten bath；
S4：Deslagging is carried out by slag-drip opening, matte is discharged by putting matte siphon port.
Further, the volume in molten bath is 8-10m3, a diameter of 150mm of coal spraying jet, the amount of feeding of coal pulverizer is 100-
300kg/h。
The invention provides a kind of energy-saving type heat-preserving external crucible and its application method, its advantage to be：Using coal powder injection formula
Heat preserving mode, such a mode consumes that coal is small, high insulating effect, to slag without stirring action, slag is precipitated with matte and separate effect
Fruit is good, improves the matte rate of recovery.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of front view of energy-saving type heat-preserving external crucible provided by the invention；
Fig. 2 is a kind of left view of energy-saving type heat-preserving external crucible provided by the invention；
Fig. 3 is the structural representation of clarifying kettle of the prior art；
Fig. 4 is the structural representation of open type external crucible of the prior art；
Fig. 5 is the structural representation of electrothermal front bed of the prior art.
In figure：1- external crucible bodies；2- insulation cover furnace roofs；3- molten baths；4- coal spraying jets；5- slag inlets；6- puts matte siphon port；
7- slag-drip openings；8- refractory brick；9- box hats；10- reinforcements；11- bases；12- furnace roof peep holes；13- clarifying kettles；14- open types
External crucible；The matte sediment of 15- precipitation recovery；16- electrothermal front beds；17- graphite electrodes.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belong to the scope that the present invention is protected.
As depicted in figs. 1 and 2, the invention provides a kind of energy-saving type heat-preserving external crucible, including：External crucible body 1 and insulation cover
Furnace roof 2, the insulation cover furnace roof 2 is covered on the top of the external crucible body 1, has molten bath 3 in the external crucible body 1, described
Insulation cover furnace roof 2 is provided with the coal spraying jet 4 that is used for that fine coal to be sprayed into the external crucible body 1 and for the external crucible body 1
It is interior injection reduction furnace slag slag inlet 5, the external crucible body 1 be provided be used for discharge matte put matte siphon port 6 and use
In the slag-drip opening 7 of discharge clinker, the coal spraying jet 4, the slag inlet 5, described matte siphon port 6 is put and the slag-drip opening 7 is equal
Connected with the molten bath 3, the coal spraying jet 4 is connected with the coal outlet of coal pulverizer, passes through the design of said structure so that passes through institute
State coal spraying jet 4 and spray fine coal into the molten bath 3, reduction furnace slag is injected into the molten bath 3 by the slag inlet 5, lead to
Cross the slag-drip opening 7 and carry out deslagging, matte is discharged by the matte siphon port 6 of putting, it is such a using the heat preserving mode of coal powder injection formula
Mode consumes that coal is small, high insulating effect, to slag without stirring action, slag is precipitated good separating effect with matte, improves matte
The rate of recovery.
In the prior art typically using clarifying kettle 13 precipitation separate mode, open type external crucible 14 precipitation separate mode or
Electrothermal front bed 16.
As shown in figure 3, the precipitation separation principle of clarifying kettle 13 is to utilize oxygen-enriched side-blown reducing stove processing nonferrous metal
Resource cupric lead-containing material, in smelting process, lead is reduced into metallic lead and catches gold and silver and rare precious metal into lead bullion, also
Siphon port after the internal crucible area precipitation separation of former stove from internal crucible area bottom flows out and casts base-bullion, deslagging of the slag from reduction furnace
Mouth exits into clarifying kettle 13, and clinker separates with matte and a small amount of clean metallic lead precipitation in clarifying kettle 13 that do not separate,
Clinker is washed into Water Quenching Slag from the top overfall discharge of pot, and matte and a small amount of metallic lead are deposited in the bottom of pot, treated in pot
Matte must change next empty clarifying kettle 13 when filling spilling (blast-furnace man, which is observed when bath is quenched, black smoke), so come and go weight
Multiple operation, the clarifying kettle 13 for being loaded with matte of replacing are sent to Special sorting place, manually beaten after matte cooled and solidified in pot
Broken sorting, matte and metal lead are selected into clean stacking on one side, clinker returns to reduction furnace dispensing secondary smelting, clarifying kettle 13 1
As cylinder iron casting form, the general 0.3m of volume3, pot wall thickness 40-50mm, there is reinforcement at top and middle part, when being conveniently replaceable pot
Transported with forklift, such a precipitation separate mode volume is small, and rapid heat dissipation is not incubated, and primary sedimentation pot was changed every 2 hours or so
13, hand breaking after condensation, clinker and matte artificial separation after crushing, it can thus make matte slag inclusion serious, so that
Obtaining grade reduces, and labor strength is big and working environment is poor.
As shown in figure 4, the precipitation separation principle of open type external crucible 14 is in the internal crucible area of reduction furnace precipitation point using lead bullion
Siphon port from internal crucible area bottom from after flows out and casts base-bullion, and slag is before the slag-drip opening of reduction furnace exits into open type
Bed 14, clinker and matte and it is a small amount of do not separate clean metallic lead and precipitated in open type external crucible 14 separate, clinker is from unlimited
The top overfall discharge of formula external crucible 14 is washed into Water Quenching Slag, and matte and a small amount of metallic lead are deposited in the bottom of open type external crucible 14
Portion, its open type external crucible is opened when the matte of interior open type external crucible 14 fills spilling (blast-furnace man, which is observed when bath is quenched, black smoke)
The matte mouth of 14 bottoms puts matte and ingot casting, when matte outflow pressure is small can block mouthful when just block matte mouth, so come and go and weigh
Multiple operation, the molten bath of open type external crucible 14 are generally cuboid, length 4-6m, width 1-1.6m, and the depth of molten bath 3 is 0.9-
1m, the steel plate that shell is 18mm with thickness make, and neighboring channel-section steel makees reinforcement, is built by laying bricks or stones in housing with high-alumina brick and magnesia brick,
Molten bath dischargeable capacity is set to ensure in 5-10m3, external crucible bottom is equipped with wheel shaft, and ground is provided with track, is drawn with hoist engine during replacing
Open, then haul an external crucible newly built by laying bricks or stones and produced, such a mode does not have Insulation due to open type insulation external crucible top
Causing rapid heat dissipation, slag easily freezes from top to bottom, makes the volume of the built-in matte of external crucible less and less, or even fully charge,
Therefore the service life of open type external crucible 14 is short, and week about or 10 days or so will change the open type external crucible laid again
14, build by laying bricks or stones needs to consume substantial amounts of alumina firebrick, magnesia brick and manpower each time, and reduction furnace also wants blowing out 3-4 hours during replacing,
Influence production efficiency.
As shown in figure 5, electrothermal front bed 16 is generally used for the clinker insulation of lead reduction furnace, its operation principle is to be incubated clinker
Store it is a certain amount of meet fuming furnace production needs after, by clinker be put into blast furnace fuming recovery zinc oxide, do not rise precipitation separation work
With its structure and the similarity of open type external crucible 14 are all the cuboid molten baths for using refractory material laying, are a difference in that electric heating
External crucible 16 is fixed, it is impossible to moves, has added insulated roof and inserted 3 root graphite electrodes 17, is passed through direct current heating
Slag heating and thermal insulation is given, ensures that clinker does not freeze to be smoothly put into fuming furnace progress fuming, the structure of electrothermal front bed 16 inside external crucible
In the general length in molten bath be 4-5m, width 1.5-2.2m, pool depth 1.5-2.2m, the steel that shell is 18mm with thickness
Plate makes, and neighboring channel-section steel makees reinforcement, is built by laying bricks or stones in housing with high-alumina brick and magnesia brick, molten bath dischargeable capacity is ensured in 8-
10m3, external crucible top is equipped with 3 root graphite electrodes 17 and electrode lifting mechanism, equipped with straight transformer is handed over, imported to graphite electrode 17
Direct current, graphite electrode 17 is generated heat and give clinker heating and thermal insulation, but because the electric arc of graphite electrode 17 has stirring action, therefore can not
Separated for precipitating.
And it is of the invention by increasing the insulation cover furnace roof 2 and the coal spraying jet 4 on open type external crucible 14, using penetrating
The mode of fine coal carries out burning insulation, can according to reality service condition arbitrarily adjust the size of volume, and control precipitation when
Between, interruption puts matte, the big precipitation disengaging time length of volume, and slag is discharged from one end top slag-drip opening 7 of external crucible, and matte uses siphon
Interruption puts matte, matte is separated with clinker totally, improves discard slag with copper and the rate of recovery, and external crucible not easy freezing, can be long-term
Continuous work, improves worker labour productivity.
In a kind of preferably embodiment, the external crucible body 1 is piled up by refractory brick 8 to be formed, and the refractory brick 8 can use
High-alumina brick and magnesia brick.
In a kind of preferably embodiment, the outer wall of the external crucible body 1 is provided with box hat 9, and the box hat 9 is with thickness
18mm steel plate makes.
In a kind of preferably embodiment, the outer wall of the box hat 9 is provided with multiple reinforcements 10 for reinforcing, multiple
The reinforcement 10 is channel-section steel.
In a kind of preferably embodiment, the bottom of the external crucible body 1 is provided with the bottom for external crucible body 1 described in support
Seat 11.
In a kind of preferably embodiment, the external crucible body 1 is shaped as cuboid, and the base 11 is by multiple I-shapeds
Steel is formed, length direction of multiple I-steel along the external crucible body 1 equidistant arrangement successively, and each I-steel
Length direction is parallel with the width of the external crucible body 1, the length of each I-steel with the external crucible body 1
Width it is equal, in actual arrangement, the coal spraying jet 4 be may be disposed on the front end side of external crucible, and the slag-drip opening 7 is arranged at
On the rear end side of external crucible, the matte siphon port 6 of putting is arranged in the left end side of external crucible, before the slag inlet 5 is arranged at
On the right end side of bed, the length of the external crucible body 1 is 3-4m, and width 1.6-2.2m, the depth of molten bath 3 is 0.9-1.0m.
In a kind of preferably embodiment, the insulation cover furnace roof 2 is shaped as arch.
In a kind of preferably embodiment, the top of the insulation cover furnace roof 2, which is provided with, to be used to observe in the external crucible body 1
Furnace roof peep hole 12, consequently facilitating the situation from furnace roof inside external crucible.
The present invention also provides a kind of application method of the energy-saving type heat-preserving external crucible described in any one as described above, including following step
Suddenly：
S1：Coal spraying jet 4 is connected with the coal outlet of coal pulverizer, granulated slag groove is positioned over to the lower section of slag-drip opening 7, by matte mould
It is positioned over the lower section of matte siphon port 6；
S2：Open coal pulverizer and fine coal is sprayed into molten bath 3 by coal spraying jet 4, injected also into molten bath 3 by slag inlet 5
Former stove slag；
S3：Clinker and matte carry out precipitation separation in molten bath 3；
S4：Deslagging is carried out by slag-drip opening 7, matte is discharged by putting matte siphon port 6.
In above-mentioned S3 steps, the sedimentation time can be 3-4 hours, interruption put matte once, in fine coal rich in oxonium ion from
And strengthen reduction reaction.
Preferably, the volume in molten bath 3 is 8-10m3, a diameter of 150mm of coal spraying jet 4, the amount of feeding of coal pulverizer is 100-
300kg/h。
In the above method, in addition to from the mode of Coal powder spray, the mode of coal gas, natural gas or heavy oil can also be used.
In summary, it is an advantage of the invention that：
1st, it is few to consume coal, high insulating effect, consuming coal per hour only needs 100-200Kg, can long-term continuous production not blowing out；
2nd, volume is big, the separation of slag static state deposition, clinker and matte is precipitated good separating effect, improve discard slag with copper and
The rate of recovery；
3rd, siphon interruption puts matte, and interval 3-4 hours put a matte, and discard slag with copper purity is high, is chosen without hand breaking
Choosing, improve condition of work and reduce labor intensity.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
- A kind of 1. energy-saving type heat-preserving external crucible, it is characterised in that including：External crucible body and insulation cover furnace roof, the insulation cover furnace roof The top of the external crucible body is covered on, there is molten bath in the external crucible body, the insulation cover furnace roof, which is provided with, to be used for institute The coal spraying jet of injection fine coal and the slag inlet for injecting reduction furnace slag into the external crucible body in external crucible body are stated, it is described External crucible body be provided be used to discharging matte put matte siphon port and the slag-drip opening for discharging clinker, the coal spraying jet, institute State slag inlet, it is described put matte siphon port and the slag-drip opening connects with the molten bath, the coal spraying jet and coal pulverizer go out Coal mouth connects.
- 2. energy-saving type heat-preserving external crucible according to claim 1, it is characterised in that the external crucible body piled up by refractory brick and Into.
- 3. energy-saving type heat-preserving external crucible according to claim 1, it is characterised in that the outer wall of the external crucible body is provided with steel Shell.
- 4. energy-saving type heat-preserving external crucible according to claim 3, it is characterised in that the outer wall of the box hat, which is provided with, to be used to add Solid multiple reinforcements, multiple reinforcements are channel-section steel.
- 5. energy-saving type heat-preserving external crucible according to claim 1, it is characterised in that the bottom of the external crucible body, which is provided with, to be used for The base of external crucible body described in support.
- 6. energy-saving type heat-preserving external crucible according to claim 5, it is characterised in that being shaped as the external crucible body is rectangular Body, the base are made up of multiple I-steel, and length direction of multiple I-steel along the external crucible body is equidistantly arranged successively Row, and the length direction of each I-steel is parallel with the width of the external crucible body, each I-steel Length is equal with the width of the external crucible body.
- 7. energy-saving type heat-preserving external crucible according to claim 1, it is characterised in that the insulation cover furnace roof is shaped as encircleing Shape.
- 8. energy-saving type heat-preserving external crucible according to claim 7, it is characterised in that the top of the insulation cover furnace roof, which is provided with, to be used In the observation intrinsic furnace roof peep hole of external crucible.
- A kind of 9. application method of energy-saving type heat-preserving external crucible as described in claim any one of 1-8, it is characterised in that including with Lower step：S1：Coal spraying jet is connected with the coal outlet of coal pulverizer, granulated slag groove is positioned over to the lower section of slag-drip opening, matte mould is positioned over Put the lower section of matte siphon port；S2：Open coal pulverizer and fine coal is sprayed into molten bath by coal spraying jet, reduction furnace slag is injected into molten bath by slag inlet；S3：Clinker and matte carry out precipitation separation in molten bath；S4：Deslagging is carried out by slag-drip opening, matte is discharged by putting matte siphon port.
- 10. application method according to claim 9, it is characterised in that the volume in molten bath is 8-10m3, the diameter of coal spraying jet For 150mm, the amount of feeding of coal pulverizer is 100-300kg/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047454.8A CN107338361A (en) | 2017-01-22 | 2017-01-22 | Energy-saving type heat-preserving external crucible and its application method |
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| CN201710047454.8A CN107338361A (en) | 2017-01-22 | 2017-01-22 | Energy-saving type heat-preserving external crucible and its application method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986572A (en) * | 2019-12-11 | 2020-04-10 | 郴州雄风环保科技有限公司 | Front bed of lead reduction furnace |
| CN114317992A (en) * | 2021-12-30 | 2022-04-12 | 耒阳市焱鑫有色金属有限公司 | Method for recovering copper and silver from waste slag of fuming furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61194128A (en) * | 1985-02-25 | 1986-08-28 | Nippon Mining Co Ltd | Smelting method of copper |
| CN101839633A (en) * | 2009-07-21 | 2010-09-22 | 中国恩菲工程技术有限公司 | Electrothermal copper-smelting slag depleted furnace body |
| CN203754780U (en) * | 2014-03-31 | 2014-08-06 | 永兴县鹏洋银铅有限责任公司 | Smelting solution precipitation front bed |
| CN206447915U (en) * | 2017-01-22 | 2017-08-29 | 梁瑞兵 | Energy-saving type heat-preserving external crucible |
-
2017
- 2017-01-22 CN CN201710047454.8A patent/CN107338361A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61194128A (en) * | 1985-02-25 | 1986-08-28 | Nippon Mining Co Ltd | Smelting method of copper |
| CN101839633A (en) * | 2009-07-21 | 2010-09-22 | 中国恩菲工程技术有限公司 | Electrothermal copper-smelting slag depleted furnace body |
| CN203754780U (en) * | 2014-03-31 | 2014-08-06 | 永兴县鹏洋银铅有限责任公司 | Smelting solution precipitation front bed |
| CN206447915U (en) * | 2017-01-22 | 2017-08-29 | 梁瑞兵 | Energy-saving type heat-preserving external crucible |
Non-Patent Citations (1)
| Title |
|---|
| 张伟健: "《铅锌密闭鼓风炉冶炼》", 31 December 2010 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986572A (en) * | 2019-12-11 | 2020-04-10 | 郴州雄风环保科技有限公司 | Front bed of lead reduction furnace |
| CN114317992A (en) * | 2021-12-30 | 2022-04-12 | 耒阳市焱鑫有色金属有限公司 | Method for recovering copper and silver from waste slag of fuming furnace |
| CN114317992B (en) * | 2021-12-30 | 2022-09-16 | 耒阳市焱鑫有色金属有限公司 | Method for recovering copper and silver from waste slag of fuming furnace |
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Application publication date: 20171110 |
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