CN108330277A - A kind of improved environment-friendly type zinc leaching residue technique - Google Patents
A kind of improved environment-friendly type zinc leaching residue technique Download PDFInfo
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- CN108330277A CN108330277A CN201810133210.6A CN201810133210A CN108330277A CN 108330277 A CN108330277 A CN 108330277A CN 201810133210 A CN201810133210 A CN 201810133210A CN 108330277 A CN108330277 A CN 108330277A
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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
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
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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
- C22B11/00—Obtaining noble metals
- C22B11/02—Obtaining noble metals by dry processes
- C22B11/021—Recovery of noble metals from waste materials
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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
- C22B19/00—Obtaining zinc or zinc oxide
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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
- C22B7/001—Dry processes
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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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Abstract
The present invention relates to noble metal recovery technology fields, and in particular to a kind of improved environment-friendly type zinc leaching residue technique includes the following steps：S1：Raw material preparation；S2：Batch mixing；S3：It is granulated；S4：Fusing；S5：Divide silver.The organic efficiency of silver of the invention can reach 90 96%, and organic efficiency is higher than current common technological means, has good economic value.Meanwhile the recycling of returning charge is settled, the utilization ratio of raw material is substantially increased, is conducive to that raw material is fully carried out further leaching recycling；Technical scheme of the present invention carries out effectively recycling and purification, while improving raw material utilization efficiency and ensureing the organic efficiency of silver, additionally it is possible to improve the Recovery Purifying efficiency of flue gas, reduce environmental pollution caused by flue gas emission to the flue gas discharged in stove；In another aspect, the secondary zinc oxide dust of residual recycling is carried out recycling by technical scheme of the present invention, the recycling efficiency of zinc material is effectively increased, is conducive to save cost, reduces the waste of raw material.
Description
Technical field
The present invention relates to noble metal recovery technology fields, and in particular to a kind of improved environment-friendly type zinc leaching residue technique.
Background technology
Silver, copper in zinc concentrate are mainly enriched in zinc leaching residue, which contains after fluidized bed roasting and zinc hydrometallurgy leach
Silver-colored 0.01-0.025wt%, copper 0.4-1.3wt%, zinc 10.0-18.0wt%, most of silver are deposited in the form of silver sulfide and native silver
Small part silver exists in the form of silver oxide, silver chlorate, silver sulfate, silver silicate etc.；Copper is with copper sulfide, copper oxide, Kocide SD
Etc. forms exist；Zinc exists in the form of zinc sulfate, zinc sulphide, zinc ferrite etc..Only method silver-colored in recycling zinc leaching residue mainly has sulphur
Urea method, villaumite method, sulfating roasting lixiviation process, floatation, submergence smelting process etc..However, the silver recovery efficiency of these methods
It is not high, and the vent gas treatment generated to phase analysis technique is not thorough enough, easily causes environmental pollution.
Electricity Xin companies of well known Canada are studied with Thiourea-uv Method and recycle silver from washing neutral leaching residue.To argentiferous 0.020-
The neutral zinc leaching residue of typical case of 0.036wt%, gold 1-1.5g/t leach 15min, silver leaching using thiourea concentration 4g/L at 75 DEG C
Rate 85-95%.Gold leaching rate 65%, laboratory expand large-scale continuous leaching test and show that thiocarbamide consumption is 5-8kg/t zinc
Phase analysis, silver, gold in leachate can be extracted with active carbon adsorption, silver raising recovery rate 84%, gold recovery 65%.Zhuzhou Smelter
Using butylamine black powder as collecting agent, No. 2 oil are foaming agent, and one is used under conditions of pH=45, pulp density 40-50wt%
Slightly, three essences, three sweep technological process flotation neutrality zinc leaching residue, neutral zinc leaching residue argentiferous 0.02-0.04wt%, concentrate argentiferous 0.6-
1.5wt%, tailing argentiferous 0.005-0.012wt%, technical-economic index are：Concentrate yield 2-3%, tailing yield 97-98%,
Silver raising recovery rate 55-75%.
Therefore, it is based on aforementioned present invention and a kind of improved environment-friendly type zinc leaching residue technique is provided, pass through the skill to phase analysis technique
Art is improved, and while so that the organic efficiency of silver is improved, the flue gas that phase analysis is discharged also is made to obtain effective purified treatment, is reduced cigarette
Environmental pollution caused by gas discharges.
Invention content
The purpose of the present invention is that：For presently, there are the above problem, a kind of improved environment-friendly type zinc leaching residue is provided
Technique while so that the organic efficiency of silver is improved, also makes the flue gas of phase analysis discharge by the technological improvement to phase analysis technique
Effective purified treatment is obtained, environmental pollution caused by flue gas emission is reduced.
To achieve the goals above, the technical solution adopted by the present invention is：
A kind of improved environment-friendly type zinc leaching residue technique, includes the following steps：
S1：Raw material preparation：Zinc is soaked into storage waste residue, lime stone, quartz sand, beans and sedimentation returning charge and is transported into raw material with automobile
Storehouse is stored through grabbing into storage bin；
S2：Batch mixing：The raw material in step S1 is fed into adhesive tape conveyor by disk feeder, then raw material is sent into and is mixed
It closes；Specific procedure is：Zinc is soaked into storage waste residue, lime stone, quartz sand and beans, sedimentation returning charge, in mass ratio using belt conveyer scale
Example weighs dispensing, then transports trommel mixer mixing by adhesive tape conveyor again；
S3：It is granulated：After trommel mixer batch mixing, uniformly mixed raw material is transferred in comminutor, granulation is passed through
It is the material grain of 2mm-3mm that batch mixing is caused grain size by machine；
S4：Fusing：Oxygen-enriched side is added from the top filling mouth of rotary furnace using belt conveyor in above-mentioned material grain, passes through sieve
Thatch wind turbine is blown into stove, and oxygen-enriched air is blasted from shaft both sides lower nozzle in stove in melt, the strong stirring melt of oxygen-enriched air,
Material rapid melting, reaction production metallic silver material, slag and high-temperature flue gas in stove；
S5：Divide silver：Metallic zinc material and slag are flowed into siphon room and further detach, and slag is released from slag tap to be connected through chute
Continuous to release water quenching, slag transports cinder field finally by forklift and is collected；Metallic silver material from siphon port by siphon, and continuously quilt
It is discarded to a point silver stove, the high-temperature flue gas that melting generates is handled by flue gas purifying technique；
The purification technique of the high-temperature flue gas is：After the high-temperature flue gas gives off out of stove, flue gas enters expansion chamber
In settled, the material after settling is to settle returning charge, which is collected as mixed raw material and continues to make again
With；The flue gas being discharged from expansion chamber is cooled down by cooling cylinder, is then discharged in bagroom and is carried out dust cleaning；Through
Flue gas after cloth bag dust-precipitator is dusted purification again by electric precipitator, is then carried out by Wet Flue Gas Desulfurization Technique
Desulfurization process, finally by smoke stack emission；The dust that bagroom is collected then is sent by air blower in powder hopper vehicle, is matched
Powder dress packet, forms secondary zinc oxide material packet and is recycled.
Preferably, the zinc leaching storage waste residue, lime stone, quartz sand and beans, the specific proportioning for settling returning charge, according to matter
Amount number group is divided into：Zinc leaching 20-35 parts of waste residue of storage, 30-50 parts of lime stone, 25-35 parts of quartz sand, 20-35 parts of beans, sedimentation is returned
15-20 parts of material.
Preferably, in the step S2, when raw material mixes in trommel mixer, the moisture of mixed raw material is controlled in 3%-
7%, the mixing rotating speed of trommel mixer is 1200r/min-1500r/min, incorporation time 30min-45min..
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
(1) technical scheme of the present invention, by measuring, the organic efficiency of silver can reach 90-96%, recycling effect
Rate is higher than current common technological means, has good economic value.Meanwhile the recycling of returning charge is settled, it carries significantly
The high utilization ratio of raw material is conducive to fully carry out raw material further to leach recycling.
(2) technical scheme of the present invention carries out effectively recycling and purification to the flue gas discharged in stove, is utilized improving raw material
While efficiency and the organic efficiency of guarantee silver, additionally it is possible to the Recovery Purifying efficiency of flue gas is improved, caused by reducing flue gas emission
Environmental pollution.
(3) in another aspect, the secondary zinc oxide dust of residual recycling is carried out recycling by technical scheme of the present invention, have
Effect improves the recycling efficiency of zinc material, is conducive to save cost, reduces the waste of raw material.
Description of the drawings
Fig. 1 is the process flow diagram of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment 1, as shown in Figure 1：
A kind of improved environment-friendly type zinc leaching residue technique, includes the following steps：
S1：Raw material preparation：Zinc is soaked into storage waste residue, lime stone, quartz sand, beans and sedimentation returning charge and is transported into raw material with automobile
Storehouse is stored through grabbing into storage bin；
S2：Batch mixing：The raw material in step S1 is fed into adhesive tape conveyor by disk feeder, then raw material is sent into and is mixed
It closes；Specific procedure is：Zinc is soaked into storage waste residue, lime stone, quartz sand and beans, sedimentation returning charge, in mass ratio using belt conveyer scale
Example weighs dispensing, then transports trommel mixer mixing by adhesive tape conveyor again；The zinc leaching storage waste residue, lime stone, stone
Sand and beans, the specific proportioning for settling returning charge, are divided into according to mass fraction group：Zinc leaching 20 parts of waste residue of storage, 30 parts of lime stone,
25 parts of quartz sand, 20 parts of beans settle 15 parts of returning charge；When raw material mixes in trommel mixer, the moisture of mixed raw material controls
3%, the mixing rotating speed of trommel mixer is 1200r/min, incorporation time 30min.
S3：It is granulated：After trommel mixer batch mixing, uniformly mixed raw material is transferred in comminutor, granulation is passed through
It is the material grain of 2mm-3mm that batch mixing is caused grain size by machine；
S4：Fusing：Oxygen-enriched side is added from the top filling mouth of rotary furnace using belt conveyor in above-mentioned material grain, passes through sieve
Thatch wind turbine is blown into stove, and oxygen-enriched air is blasted from shaft both sides lower nozzle in stove in melt, the strong stirring melt of oxygen-enriched air,
Material rapid melting, reaction production metallic silver material, slag and high-temperature flue gas in stove；
S5：Divide silver：Metallic zinc material and slag are flowed into siphon room and further detach, and slag is released from slag tap to be connected through chute
Continuous to release water quenching, slag transports cinder field finally by forklift and is collected；Metallic silver material from siphon port by siphon, and continuously quilt
It is discarded to a point silver stove, the high-temperature flue gas that melting generates is handled by flue gas purifying technique；
The purification technique of the high-temperature flue gas is：After the high-temperature flue gas gives off out of stove, flue gas enters expansion chamber
In settled, the material after settling is to settle returning charge, which is collected as mixed raw material and continues to make again
With；The flue gas being discharged from expansion chamber is cooled down by cooling cylinder, is then discharged in bagroom and is carried out dust cleaning；Through
Flue gas after cloth bag dust-precipitator is dusted purification again by electric precipitator, is then carried out by Wet Flue Gas Desulfurization Technique
Desulfurization process, finally by smoke stack emission；The dust that bagroom is collected then is sent by air blower in powder hopper vehicle, is matched
Powder dress packet, forms secondary zinc oxide material packet and is recycled.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
(1) technical scheme of the present invention, by measuring, the organic efficiency of silver can reach 91.6%, recycling effect
Rate is higher than current common technological means, has good economic value.Meanwhile the recycling of returning charge is settled, it carries significantly
The high utilization ratio of raw material is conducive to fully carry out raw material further to leach recycling.
(2) technical scheme of the present invention carries out effectively recycling and purification to the flue gas discharged in stove, is utilized improving raw material
While efficiency and the organic efficiency of guarantee silver, additionally it is possible to the Recovery Purifying efficiency of flue gas is improved, caused by reducing flue gas emission
Environmental pollution.
(3) in another aspect, the secondary zinc oxide dust of residual recycling is carried out recycling by technical scheme of the present invention, have
Effect improves the recycling efficiency of zinc material, is conducive to save cost, reduces the waste of raw material.
Embodiment 2, as shown in Figure 1：
A kind of improved environment-friendly type zinc leaching residue technique, includes the following steps：
S1：Raw material preparation：Zinc is soaked into storage waste residue, lime stone, quartz sand, beans and sedimentation returning charge and is transported into raw material with automobile
Storehouse is stored through grabbing into storage bin；
S2：Batch mixing：The raw material in step S1 is fed into adhesive tape conveyor by disk feeder, then raw material is sent into and is mixed
It closes；Specific procedure is：Zinc is soaked into storage waste residue, lime stone, quartz sand and beans, sedimentation returning charge, in mass ratio using belt conveyer scale
Example weighs dispensing, then transports trommel mixer mixing by adhesive tape conveyor again；The zinc leaching storage waste residue, lime stone, stone
Sand and beans, the specific proportioning for settling returning charge, are divided into according to mass fraction group：Zinc leaching 35 parts of waste residue of storage, 50 parts of lime stone,
35 parts of quartz sand, 35 parts of beans settle 20 parts of returning charge；When raw material mixes in trommel mixer, the moisture of mixed raw material controls
7%, the mixing rotating speed of trommel mixer is 1500r/min, incorporation time 45min.
S3：It is granulated：After trommel mixer batch mixing, uniformly mixed raw material is transferred in comminutor, granulation is passed through
It is the material grain of 2mm-3mm that batch mixing is caused grain size by machine；
S4：Fusing：Oxygen-enriched side is added from the top filling mouth of rotary furnace using belt conveyor in above-mentioned material grain, passes through sieve
Thatch wind turbine is blown into stove, and oxygen-enriched air is blasted from shaft both sides lower nozzle in stove in melt, the strong stirring melt of oxygen-enriched air,
Material rapid melting, reaction production metallic silver material, slag and high-temperature flue gas in stove；
S5：Divide silver：Metallic zinc material and slag are flowed into siphon room and further detach, and slag is released from slag tap to be connected through chute
Continuous to release water quenching, slag transports cinder field finally by forklift and is collected；Metallic silver material from siphon port by siphon, and continuously quilt
It is discarded to a point silver stove, the high-temperature flue gas that melting generates is handled by flue gas purifying technique；
The purification technique of the high-temperature flue gas is：After the high-temperature flue gas gives off out of stove, flue gas enters expansion chamber
In settled, the material after settling is to settle returning charge, which is collected as mixed raw material and continues to make again
With；The flue gas being discharged from expansion chamber is cooled down by cooling cylinder, is then discharged in bagroom and is carried out dust cleaning；Through
Flue gas after cloth bag dust-precipitator is dusted purification again by electric precipitator, is then carried out by Wet Flue Gas Desulfurization Technique
Desulfurization process, finally by smoke stack emission；The dust that bagroom is collected then is sent by air blower in powder hopper vehicle, is matched
Powder dress packet, forms secondary zinc oxide material packet and is recycled.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
(1) technical scheme of the present invention, by measuring, the organic efficiency of silver can reach 95.7%, recycling effect
Rate is higher than current common technological means, has good economic value.Meanwhile the recycling of returning charge is settled, it carries significantly
The high utilization ratio of raw material is conducive to fully carry out raw material further to leach recycling.
(2) technical scheme of the present invention carries out effectively recycling and purification to the flue gas discharged in stove, is utilized improving raw material
While efficiency and the organic efficiency of guarantee silver, additionally it is possible to the Recovery Purifying efficiency of flue gas is improved, caused by reducing flue gas emission
Environmental pollution.
(3) in another aspect, the secondary zinc oxide dust of residual recycling is carried out recycling by technical scheme of the present invention, have
Effect improves the recycling efficiency of zinc material, is conducive to save cost, reduces the waste of raw material.
Embodiment 2, as shown in Figure 1：
A kind of improved environment-friendly type zinc leaching residue technique, includes the following steps：
S1：Raw material preparation：Zinc is soaked into storage waste residue, lime stone, quartz sand, beans and sedimentation returning charge and is transported into raw material with automobile
Storehouse is stored through grabbing into storage bin；
S2：Batch mixing：The raw material in step S1 is fed into adhesive tape conveyor by disk feeder, then raw material is sent into and is mixed
It closes；Specific procedure is：Zinc is soaked into storage waste residue, lime stone, quartz sand and beans, sedimentation returning charge, in mass ratio using belt conveyer scale
Example weighs dispensing, then transports trommel mixer mixing by adhesive tape conveyor again；The zinc leaching storage waste residue, lime stone, stone
Sand and beans, the specific proportioning for settling returning charge, are divided into according to mass fraction group：Zinc leaching 30 parts of waste residue of storage, 45 parts of lime stone,
30 parts of quartz sand, 28 parts of beans settle 18 parts of returning charge；When raw material mixes in trommel mixer, the moisture of mixed raw material controls
5%, the mixing rotating speed of trommel mixer is 1400r/min, incorporation time 40min.
S3：It is granulated：After trommel mixer batch mixing, uniformly mixed raw material is transferred in comminutor, granulation is passed through
It is the material grain of 2mm-3mm that batch mixing is caused grain size by machine；
S4：Fusing：Oxygen-enriched side is added from the top filling mouth of rotary furnace using belt conveyor in above-mentioned material grain, passes through sieve
Thatch wind turbine is blown into stove, and oxygen-enriched air is blasted from shaft both sides lower nozzle in stove in melt, the strong stirring melt of oxygen-enriched air,
Material rapid melting, reaction production metallic silver material, slag and high-temperature flue gas in stove；
S5：Divide silver：Metallic zinc material and slag are flowed into siphon room and further detach, and slag is released from slag tap to be connected through chute
Continuous to release water quenching, slag transports cinder field finally by forklift and is collected；Metallic silver material from siphon port by siphon, and continuously quilt
It is discarded to a point silver stove, the high-temperature flue gas that melting generates is handled by flue gas purifying technique；
The purification technique of the high-temperature flue gas is：After the high-temperature flue gas gives off out of stove, flue gas enters expansion chamber
In settled, the material after settling is to settle returning charge, which is collected as mixed raw material and continues to make again
With；The flue gas being discharged from expansion chamber is cooled down by cooling cylinder, is then discharged in bagroom and is carried out dust cleaning；Through
Flue gas after cloth bag dust-precipitator is dusted purification again by electric precipitator, is then carried out by Wet Flue Gas Desulfurization Technique
Desulfurization process, finally by smoke stack emission；The dust that bagroom is collected then is sent by air blower in powder hopper vehicle, is matched
Powder dress packet, forms secondary zinc oxide material packet and is recycled.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
(1) technical scheme of the present invention, by measuring, the organic efficiency of silver can reach 95.9%, recycling effect
Rate is higher than current common technological means, has good economic value.Meanwhile the recycling of returning charge is settled, it carries significantly
The high utilization ratio of raw material is conducive to fully carry out raw material further to leach recycling.
(2) technical scheme of the present invention carries out effectively recycling and purification to the flue gas discharged in stove, is utilized improving raw material
While efficiency and the organic efficiency of guarantee silver, additionally it is possible to the Recovery Purifying efficiency of flue gas is improved, caused by reducing flue gas emission
Environmental pollution.
(3) in another aspect, the secondary zinc oxide dust of residual recycling is carried out recycling by technical scheme of the present invention, have
Effect improves the recycling efficiency of zinc material, is conducive to save cost, reduces the waste of raw material.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art can easily think of the change or the replacement in the technical scope of present disclosure, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (3)
1. a kind of improved environment-friendly type zinc leaching residue technique, it is characterised in that：Include the following steps：
S1：Raw material preparation：Zinc is soaked into storage waste residue, lime stone, quartz sand, beans and sedimentation returning charge and is transported into raw material cabin with automobile,
It is stored into storage bin through grabbing；
S2：Batch mixing：The raw material in step S1 is fed into adhesive tape conveyor by disk feeder, then raw material is sent into and is mixed；Tool
Body program is：Zinc is soaked into storage waste residue, lime stone, quartz sand and beans, sedimentation returning charge, is weighed using belt conveyer scale example in mass ratio
Then dispensing transports trommel mixer mixing by adhesive tape conveyor again；
S3：It is granulated：After trommel mixer batch mixing, uniformly mixed raw material is transferred in comminutor, it will by comminutor
It is the material grain of 2mm-3mm that batch mixing, which causes grain size,；
S4：Fusing：Oxygen-enriched side is added from the top filling mouth of rotary furnace using belt conveyor in above-mentioned material grain, passes through Roots's wind
Machine is blown into stove, and oxygen-enriched air is blasted from shaft both sides lower nozzle in stove in melt, the strong stirring melt of oxygen-enriched air, material
Rapid melting, reaction production metallic silver material, slag and high-temperature flue gas in stove；
S5：Divide silver：Metallic zinc material and slag are flowed into siphon room and further detach, and slag is released from slag tap continuously to be put through chute
Go out water quenching, slag transports cinder field finally by forklift and is collected；Metallic silver material, by siphon, and is continuously released from siphon port
It is handled to silver stove, the high-temperature flue gas that melting generates is divided by flue gas purifying technique；
The purification technique of the high-temperature flue gas is：After the high-temperature flue gas gives off out of stove, flue gas enter in expansion chamber into
Row sedimentation, the material after settling are to settle returning charge, which is collected as mixed raw material and is continuing with again；From
The flue gas of expansion chamber discharge is cooled down by cooling cylinder, is then discharged in bagroom and is carried out dust cleaning；By cloth
Flue gas after bag collector is dusted purification again by electric precipitator, then carries out desulfurization by Wet Flue Gas Desulfurization Technique
Processing, finally by smoke stack emission；The dust that bagroom is collected then is sent by air blower in powder hopper vehicle, filled with powder
Packet forms secondary zinc oxide material packet and is recycled.
2. a kind of improved environment-friendly type zinc leaching residue technique as described in claim 1, it is characterised in that：The zinc leaching storage waste residue,
Lime stone, quartz sand and beans, the specific proportioning for settling returning charge, are divided into according to mass fraction group：Zinc leaching storage waste residue 20-35
Part, 30-50 parts of lime stone, 25-35 parts of quartz sand, 20-35 parts of beans, 15-20 parts of returning charge of sedimentation.
3. a kind of improved environment-friendly type zinc leaching residue technique as described in claim 1, it is characterised in that：It is former in the step S2
When material mixes in trommel mixer, the moisture of mixed raw material is controlled in 3%-7%, and the mixing rotating speed of trommel mixer is
1200r/min-1500r/min, incorporation time 30min-45min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295282A (en) * | 2019-07-24 | 2019-10-01 | 深圳市中金岭南有色金属股份有限公司 | A kind of blast furnace returning charge briquetting technique |
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| CN102321806A (en) * | 2011-09-28 | 2012-01-18 | 长沙有色冶金设计研究院有限公司 | Smelting method for processing zinc leaching residue by oxygen-enriched side-blowing furnace |
| CN103421958A (en) * | 2013-07-23 | 2013-12-04 | 湖南水口山有色金属集团有限公司 | Method for processing zinc leaching cinder through adopting oxygen enrichment and smelting for bottom blown furnace |
| CN203728902U (en) * | 2014-03-13 | 2014-07-23 | 北京事竟成有色金属研究所 | Integrated solid waste gas ash and zinc-containing ferrovanadium slag recovery device |
| CN104911356A (en) * | 2014-03-13 | 2015-09-16 | 北京事竟成有色金属研究所 | Comprehensive recovery technology of solid waste gas ash and zinc-containing ferrovanadium slag |
| CN104878215A (en) * | 2015-04-21 | 2015-09-02 | 云南驰宏锌锗股份有限公司 | Method for processing wet zinc residues by utilizing oxygen-enriched top-blowing lead smelting furnace |
| CN106237776A (en) * | 2016-09-28 | 2016-12-21 | 上海化工研究院 | Device for recovering powder in a kind of metallurgy industry high-temperature flue gas and technique |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110295282A (en) * | 2019-07-24 | 2019-10-01 | 深圳市中金岭南有色金属股份有限公司 | A kind of blast furnace returning charge briquetting technique |
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Application publication date: 20180727 |