CN109609762A - A kind of method of resource utilization solid waste - Google Patents
A kind of method of resource utilization solid waste Download PDFInfo
- Publication number
- CN109609762A CN109609762A CN201811345976.7A CN201811345976A CN109609762A CN 109609762 A CN109609762 A CN 109609762A CN 201811345976 A CN201811345976 A CN 201811345976A CN 109609762 A CN109609762 A CN 109609762A
- Authority
- CN
- China
- Prior art keywords
- furnace
- waste
- slag
- energy
- oxygen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
-
- 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
- C22B15/0028—Smelting or converting
-
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/02—Obtaining nickel or cobalt by dry processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to hazardous waste Treatment process, belong to environment protection field, in particular to a kind of method of resource utilization solid waste.This method can handle moisture, ingredient, the solid waste (especially hazardous waste) of complex size compusition and national energy-saving environmental protection policy requirement.The method applicability of this resource utilization solid waste is strong, energy-saving effect is good, specific capacity is high, process flow is short, pollution node is few, is a kind of technique of resource utilization solid waste multi-functional, with low investment.
Description
Technical field
The present invention relates to hazardous waste Treatment process, belong to environment protection field, solid in particular to a kind of resource utilization
The method of body waste.
Background technique
Currently, constantly accelerating as economy is continued to develop with process of industrialization, industrial dangerous waste is increasing.It burns residual
Slag, smelts the solid dangerous wastes such as waste at sludge, has the characteristics that different moisture height, complicated component, granularmetric composition are different,
Solid dangerous waste resource utilization mainly uses " drying → brickmaking+granulation+sintering → melting " technique at present, and sintering uses
Shaft kiln, melting use blast furnace (some, which is named, is the titles such as reduction furnace, environment-friendly stove, intensified smelting furnace, oxygen-enriched air smelting furnace)；Air blast
Furnace melting coke consumption is more, and heat utilization efficiency is low, and process flow is long, and pollution node is more, and the degree of automation is low, and it is useless to generate new danger
Object-melting flue dust does not adapt to the requirement of national energy-saving consumption reduction, environmental protection.And (oxygen-enriched side-blowing furnace, oxygen are low to be blown smelting bath smelting process
Furnace, Flash Smelting Furnace, Ausmelt furnace) etc. technical equipment, have higher requirement to the moisture of raw material, chemical component, granularity etc., than
When being greater than 15% such as material moisture, it may be fired using these technical equipment, therefore these technical equipment are more suitable for from concentrate
Non-ferrous metal is refined in equal materials；There is the disadvantages of investment is big, temperature is high, at high cost in plasma melting.
For these reasons, a kind of method of resource utilization solid waste of the present invention, this method can be located
The solid waste (especially hazardous waste) of moisture, ingredient, complex size compusition is managed, and meets national energy-saving environmental protection policy and wants
It asks.The method applicability of this resource utilization solid waste is strong, energy-saving effect is good, specific capacity is high, process flow is short, produces dirty ring
Section is few, is a kind of technique of resource utilization solid waste multi-functional, with low investment.
Summary of the invention
In order to overcome defect present in background technique, the technical solution adopted by the present invention to solve the technical problems is:
A kind of method of resource utilization solid waste, it is characterised in that the steps include:
(1), (1), the sludge by moisture content greater than 55%, blocky waste, pass through weighbridge weighing balance with waste cathode carbon block and flux
Furnace charge is formed after weight, ingredient, furnace charge is sent directly into energy-saving environment-friendly furnace；Oxygen-enriched air, furnace are blasted from energy conservation and environmental protection furnace body two sides
Waste cathode carbon block and oxygen-enriched air reactive combustion in material, burning generate thermal energy and carry out oxygen-enriched air smelting, and melting obtains slag 1 and contains
The melt of copper, nickel metal；
(2), the melt of slag 1 and cupric, nickel metal that step (1) generates is entered into slag cleaning furnace by chute, carries out clarification point
From rear, cupric, nickel metal bath are released by siphon, the slag 1 after dilution is released through cinder notch；
(3), the low-temperature flue gas that step (1) melting generates is sequentially sent to heavy grey cylinder, cyclone dust collectors, is generated by gravitational dust collection
Thick flue dust, a small amount of water and binder is added, flue dust brick 1 is made after stirring, flue dust brick 1 and moisture content are greater than to 55% dirt
Mud, blocky waste, waste cathode carbon block and flux form furnace charge after weighbridge metering weighing, ingredient again, return to energy conservation and environmental protection
Furnace carries out oxygen-enriched air smelting；
(4), the flue gas by step (3) after gravitational dust collection is sent into bag filter, the thin flue dust that bag filter generates, product
After tiring out certain amount, a small amount of water and binder is added, flue dust brick 2 is made after stirring, by flue dust brick 2 and blocky waste, gives up
Cathode carbon pieces and flux form furnace charge after weighbridge metering weighing, ingredient again, return to energy-saving environment-friendly furnace, carry out oxygen-enriched molten
Refining；
(5), by bag filter treated flue gas, by spray extracting tower processing, it is up to standard after discharge；
(6), by step (2), step (3) siphon release cupric, nickel metal bath by cool down, mold formed it is available
Alloy pig 1；
(7), the slag 1 for releasing step (2), step (3) through cinder notch, forms available glass dregs, glass dregs after water quenching
After screening drying, become the derusting sand for having utility value；
(8) slag that step (4) melting obtains is discharged from the cinder notch at energy-saving environment-friendly furnace furnace end, the melt of the metals such as stanniferous, lead, zinc,
It is discharged from the siphon port at another furnace end of energy-saving environment-friendly furnace, available alloy pig 2 is formed by cooling, mold；
(9) slag 2 for generating step (4) is discharged from the cinder notch at energy-saving environment-friendly furnace furnace end, enters slag cleaning furnace by chute, into
Row clarified separation, the metal baths such as stanniferous, lead, zinc are released from slag cleaning furnace lower metal mouth, and dilution slag 2 is released through cinder notch, this
Return step (1) carries out oxygen-enriched air smelting after dilution slag 2 is cooling；
(10), the waste cathode carbon block is the hazardous waste of generation during Aluminum Electrolysis Production, step (1), step (3) and step
(4) waste cathode carbon block is all made of in replaces coke to make fuel and reducing agent;
(11), for being free of metal or containing only the incineration residue or smelting waste solids hazardous waste of trace meter, equally may be used
It is handled in the method for taking similar step (1).
Oxygen content is 25-35%(volume basis in the oxygen-enriched air that the preferred oxygen-enriched air reactive combustion blasts
Than).
A kind of method of resource utilization solid waste of the present invention, this method can handle moisture, ingredient, grain
The solid waste (especially hazardous waste) of complicated composition is spent, and meets national energy-saving environmental protection policy requirement.This resource utilization
The method applicability of solid waste is strong, energy-saving effect is good, specific capacity is high, process flow is short, pollution node is few, is a kind of more function
The technique of energy, resource utilization solid waste with low investment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of process flow chart of the method for resource utilization solid waste of the present invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.Attached drawing is simplified schematic diagram, only with signal side
Formula illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Specific embodiment, referring to Fig. 1, a kind of method of resource utilization solid waste, it is characterised in that its step
Are as follows:
(1), (1), the sludge by moisture content greater than 55%, blocky waste, pass through weighbridge weighing balance with waste cathode carbon block and flux
Furnace charge is formed after weight, ingredient, furnace charge is sent directly into energy-saving environment-friendly furnace；Oxygen-enriched air, furnace are blasted from energy conservation and environmental protection furnace body two sides
Waste cathode carbon block and oxygen-enriched air reactive combustion in material, burning generate thermal energy and carry out oxygen-enriched air smelting, and melting obtains slag 1 and contains
The melt of copper, nickel metal；
(2), the melt of slag 1 and cupric, nickel metal that step (1) generates is entered into slag cleaning furnace by chute, carries out clarification point
From rear, cupric, nickel metal bath are released by siphon, the slag 1 after dilution is released through cinder notch；
(3), the low-temperature flue gas that step (1) melting generates is sequentially sent to heavy grey cylinder, cyclone dust collectors, is generated by gravitational dust collection
Thick flue dust, a small amount of water and binder is added, flue dust brick 1 is made after stirring, flue dust brick 1 and moisture content are greater than to 55% dirt
Mud, blocky waste, waste cathode carbon block and flux form furnace charge after weighbridge metering weighing, ingredient again, return to energy conservation and environmental protection
Furnace carries out oxygen-enriched air smelting；
(4), the flue gas by step (3) after gravitational dust collection is sent into bag filter, the thin flue dust that bag filter generates, product
After tiring out certain amount, a small amount of water and binder is added, flue dust brick 2 is made after stirring, by flue dust brick 2 and blocky waste, gives up
Cathode carbon pieces and flux form furnace charge after weighbridge metering weighing, ingredient again, return to energy-saving environment-friendly furnace, carry out oxygen-enriched molten
Refining；
(5), by bag filter treated flue gas, by spray extracting tower processing, it is up to standard after discharge；
(6), by step (2), step (3) siphon release cupric, nickel metal bath by cool down, mold formed it is available
Alloy pig 1；
(7), the slag 1 for releasing step (2), step (3) through cinder notch, forms available glass dregs, glass dregs after water quenching
After screening drying, become the derusting sand for having utility value；
(8) slag that step (4) melting obtains is discharged from the cinder notch at energy-saving environment-friendly furnace furnace end, the melt of the metals such as stanniferous, lead, zinc,
It is discharged from the siphon port at another furnace end of energy-saving environment-friendly furnace, available alloy pig 2 is formed by cooling, mold；
(9) slag 2 for generating step (4) is discharged from the cinder notch at energy-saving environment-friendly furnace furnace end, enters slag cleaning furnace by chute, into
Row clarified separation, the metal baths such as stanniferous, lead, zinc are released from slag cleaning furnace lower metal mouth, and dilution slag 2 is released through cinder notch, this
Return step (1) carries out oxygen-enriched air smelting after dilution slag 2 is cooling；
(10), the waste cathode carbon block is the hazardous waste of generation during Aluminum Electrolysis Production, step (1), step (3) and step
(4) waste cathode carbon block is all made of in replaces coke to make fuel and reducing agent;
(11), for being free of metal or containing only the incineration residue or smelting waste solids hazardous waste of trace meter, equally may be used
It is handled in the method for taking similar step (1).
Oxygen content is 25-35%(percent by volume in the oxygen-enriched air that the oxygen-enriched air reactive combustion blasts).
A kind of method of resource utilization solid waste of the present invention, this method can handle moisture, ingredient, grain
The solid waste (especially hazardous waste) of complicated composition is spent, and meets national energy-saving environmental protection policy requirement.This resource utilization
The method applicability of solid waste is strong, energy-saving effect is good, specific capacity is high, process flow is short, pollution node is few, multi-functional, throwing
The technique for providing the resource utilization solid waste saved.In addition, the resource utilization solid waste also has the advantage that
1, oxygen-enriched air is used, so that the specific capacity of energy-saving environment-friendly furnace improves 15% or more.
2, by using oxygen-enriched air and energy-saving environment-friendly furnace, heat utilization efficiency is improved, energy consumption is made to reduce by 15% or more, thus raw
Produce cost also sharp fall.
3, the sludge of present process equipment aqueous 55% or more requires first to dry, then brickmaking or roasting, then
Melting again.The sludge of the present invention aqueous 55% or more can directly enter furnace melting, to reduce process flow, improve automation
Degree reduces pollution node and production cost.
4, furnace roof exit gas temperature is low, while improving heat utilization efficiency, does not need the cooling equipment of investment flue gas, and subtract
Pollution node is lacked.
5, the general a kind of metal product of a set of equipment output of present process equipment, a set of equipment of the present invention production both can be with
The alloy products such as output copper, nickel, having can be kept away with alloy products such as output tin, lead, zinc so as to reduce a large amount of overlapping investment
Exempt from the transfer of waste, reduces pollution section.
6, the alloy pig of output of the present invention, derusting sand can be used as product utilization, without secondary hazardous waste pollution.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (2)
1. a kind of method of resource utilization solid waste, it is characterised in that the steps include:
(1), the sludge by moisture content greater than 55%, blocky waste are weighed by weighbridge metering with waste cathode carbon block and flux, are matched
Furnace charge is formed after material, furnace charge is sent directly into energy-saving environment-friendly furnace；Oxygen-enriched air is blasted from energy conservation and environmental protection furnace body two sides, in furnace charge
Waste cathode carbon block and oxygen-enriched air reactive combustion, burning generate thermal energy and carry out oxygen-enriched air smelting, and melting obtains slag 1 and cupric, nickel gold
The melt of category；
(2), the melt of slag 1 and cupric, nickel metal that step (1) generates is entered into slag cleaning furnace by chute, carries out clarification point
From rear, cupric, nickel metal bath are released by siphon, the slag 1 after dilution is released through cinder notch；
(3), the low-temperature flue gas that step (1) melting generates is sequentially sent to heavy grey cylinder, cyclone dust collectors, is generated by gravitational dust collection
Thick flue dust, a small amount of water and binder is added, flue dust brick 1 is made after stirring, flue dust brick 1 and moisture content are greater than to 55% dirt
Mud, blocky waste, waste cathode carbon block and flux form furnace charge after weighbridge metering weighing, ingredient again, return to energy conservation and environmental protection
Furnace carries out oxygen-enriched air smelting；
(4), the flue gas by step (3) after gravitational dust collection is sent into bag filter, the thin flue dust that bag filter generates, product
After tiring out certain amount, a small amount of water and binder is added, flue dust brick 2 is made after stirring, by flue dust brick 2 and blocky waste, gives up
Cathode carbon pieces and flux form furnace charge after weighbridge metering weighing, ingredient again, return to energy-saving environment-friendly furnace, carry out oxygen-enriched molten
Refining；
(5), by bag filter treated flue gas, by spray extracting tower processing, it is up to standard after discharge；
(6), by step (2), step (3) siphon release cupric, nickel metal bath by cool down, mold formed it is available
Alloy pig 1；
(7), the slag 1 for releasing step (2), step (3) through cinder notch, forms available glass dregs, glass dregs after water quenching
After screening drying, become the derusting sand for having utility value；
(8) slag that step (4) melting obtains is discharged from the cinder notch at energy-saving environment-friendly furnace furnace end, the melt of the metals such as stanniferous, lead, zinc,
It is discharged from the siphon port at another furnace end of energy-saving environment-friendly furnace, available alloy pig 2 is formed by cooling, mold；
(9) slag 2 for generating step (4) is discharged from the cinder notch at energy-saving environment-friendly furnace furnace end, enters slag cleaning furnace by chute, into
Row clarified separation, the metal baths such as stanniferous, lead, zinc are released from slag cleaning furnace lower metal mouth, and dilution slag 2 is released through cinder notch, this
Return step (1) carries out oxygen-enriched air smelting after dilution slag 2 is cooling；
(10), the waste cathode carbon block is the hazardous waste of generation during Aluminum Electrolysis Production, step (1), step (3) and step
(4) waste cathode carbon block is all made of in replaces coke to make fuel and reducing agent;
(11), for being free of metal or containing only the incineration residue or smelting waste solids hazardous waste of trace meter, equally may be used
It is handled in the method for taking similar step (1).
2. a kind of method of resource utilization solid waste according to claim 1, feature exist, the oxygen-enriched air
Oxygen content is 25-35%(percent by volume in the oxygen-enriched air that reactive combustion blasts).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345976.7A CN109609762A (en) | 2018-11-13 | 2018-11-13 | A kind of method of resource utilization solid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811345976.7A CN109609762A (en) | 2018-11-13 | 2018-11-13 | A kind of method of resource utilization solid waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109609762A true CN109609762A (en) | 2019-04-12 |
Family
ID=66004348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811345976.7A Pending CN109609762A (en) | 2018-11-13 | 2018-11-13 | A kind of method of resource utilization solid waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109609762A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016557A (en) * | 2019-05-15 | 2019-07-16 | 东北大学 | The method for producing ferro-silicon-aluminium as raw material electric arc furnace smelting using aluminium ash |
| CN110205495A (en) * | 2019-06-24 | 2019-09-06 | 阳新鹏富矿业有限公司 | Pyrogenic process comprehensive recycling method for copper-containing and nickel-containing sludge |
| CN113802007A (en) * | 2021-09-03 | 2021-12-17 | 中国恩菲工程技术有限公司 | Method and system for treating waste cathode of aluminum electrolysis cell |
| CN114032395A (en) * | 2021-11-09 | 2022-02-11 | 东华大学 | Method for recovering copper, nickel and chromium in electroplating sludge by using waste cathode carbon as additive through oxidation-reduction two-step method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705367A (en) * | 2009-11-23 | 2010-05-12 | 长沙有色冶金设计研究院 | Copper nickel smelting process with oxygen-enriched side-blowing bath smelting method |
| CN103014369A (en) * | 2012-11-28 | 2013-04-03 | 浙江和鼎铜业有限公司 | Smelting process of both side-blown bath |
| CN103614562A (en) * | 2013-12-06 | 2014-03-05 | 北京科技大学 | Process method for processing solid waste of steelworks by utilizing smelting furnace |
| CN108411113A (en) * | 2018-03-01 | 2018-08-17 | 浙江申联环保集团有限公司 | A kind of resource regeneration method of hazardous waste |
-
2018
- 2018-11-13 CN CN201811345976.7A patent/CN109609762A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705367A (en) * | 2009-11-23 | 2010-05-12 | 长沙有色冶金设计研究院 | Copper nickel smelting process with oxygen-enriched side-blowing bath smelting method |
| CN103014369A (en) * | 2012-11-28 | 2013-04-03 | 浙江和鼎铜业有限公司 | Smelting process of both side-blown bath |
| CN103614562A (en) * | 2013-12-06 | 2014-03-05 | 北京科技大学 | Process method for processing solid waste of steelworks by utilizing smelting furnace |
| CN108411113A (en) * | 2018-03-01 | 2018-08-17 | 浙江申联环保集团有限公司 | A kind of resource regeneration method of hazardous waste |
Non-Patent Citations (1)
| Title |
|---|
| 戴维，舒莉编著: "《铁合金工程技术》", 30 June 2015 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016557A (en) * | 2019-05-15 | 2019-07-16 | 东北大学 | The method for producing ferro-silicon-aluminium as raw material electric arc furnace smelting using aluminium ash |
| CN110016557B (en) * | 2019-05-15 | 2020-05-12 | 东北大学 | Method for preparing ferro-silicon-aluminum by smelting aluminum ash serving as raw material in electric arc furnace |
| CN110205495A (en) * | 2019-06-24 | 2019-09-06 | 阳新鹏富矿业有限公司 | Pyrogenic process comprehensive recycling method for copper-containing and nickel-containing sludge |
| CN113802007A (en) * | 2021-09-03 | 2021-12-17 | 中国恩菲工程技术有限公司 | Method and system for treating waste cathode of aluminum electrolysis cell |
| CN114032395A (en) * | 2021-11-09 | 2022-02-11 | 东华大学 | Method for recovering copper, nickel and chromium in electroplating sludge by using waste cathode carbon as additive through oxidation-reduction two-step method |
| CN114032395B (en) * | 2021-11-09 | 2023-08-11 | 东华大学 | Method for recovering copper, nickel and chromium in electroplating sludge by using waste cathode carbon as additive through oxidation-reduction two-step method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109609762A (en) | A kind of method of resource utilization solid waste | |
| CN108411113B (en) | A kind of resource regeneration method of hazardous waste | |
| CN108676942A (en) | The materials such as a kind of iron content and/or zinc lead bronze tin cooperate with processing recovery method with molten steel slag | |
| CN100469907C (en) | Method for processing dust with zinc of electric furnace | |
| CN101074457B (en) | Method for smelting and separating refuse-combustion fly-ash heavy metal | |
| CN105087957B (en) | High miscellaneous copper-contained material Double Tops blow smelts the method reclaiming valuable metal | |
| CN101196373B (en) | Environment friendly system for smelting copper and copper alloy | |
| CN105296694B (en) | A kind of agglomerates such as carbon containing iron zinc are reduced into the processes such as molten iron, zinc for iron storing type main channel of blast furnace | |
| CN101760631B (en) | Process for smelting copper with infinity furnace | |
| CN106399699A (en) | Process for treating sludge with copper import | |
| CN101597691A (en) | The processing method of the nickeliferous solid waste of Treatment of Copper | |
| CN108220610B (en) | A kind of processing method of the dedusting ash containing heavy metal | |
| CN101705366B (en) | Direct lead smelting method for processing zinc smelting slag by matching | |
| CN104498731B (en) | A kind of method and apparatus of the solid sulfur melting of oxygen-enriched side-blowing low-temperature alkali | |
| CN102321806A (en) | Smelting method for processing zinc leaching residue by oxygen-enriched side-blowing furnace | |
| CN101892388A (en) | Method and device for continuously treating lead anode slime | |
| CN105803205B (en) | A kind of energy-efficient secondary lead smelting technique | |
| CN106065433A (en) | The synthetical recovery processing means of a kind of valuable metal and processing method | |
| CN210085535U (en) | Resource utilization system for waste incineration power generation ash | |
| CN106048254A (en) | Continuous smelting device and method of nickel-containing material | |
| CN107828974A (en) | A kind of waste printed circuit board combined treatment process | |
| CN106399713A (en) | Oxygen enrichment bottom blowing copper smelting process | |
| CN102899501A (en) | Device and method for enriching and recycling valuable metals from zinc-containing impurities through cyclone smelting | |
| CN102492855A (en) | Method for recovering valuable metal from solid waste material containing zinc | |
| CN101519734A (en) | Oxygen-blowing matte making polymetallic catch process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
|
| RJ01 | Rejection of invention patent application after publication |