CN104342556B - A kind of method that copper or nickel are extracted from cupric or nickel sludge - Google Patents
A kind of method that copper or nickel are extracted from cupric or nickel sludge Download PDFInfo
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- CN104342556B CN104342556B CN201310337593.6A CN201310337593A CN104342556B CN 104342556 B CN104342556 B CN 104342556B CN 201310337593 A CN201310337593 A CN 201310337593A CN 104342556 B CN104342556 B CN 104342556B
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- nickel
- cupric
- copper
- sludge
- sintering
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 31
- 239000010949 copper Substances 0.000 title claims abstract description 31
- 239000010802 sludge Substances 0.000 title claims abstract description 31
- 238000005245 sintering Methods 0.000 claims abstract description 42
- 238000001035 drying Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003546 flue gas Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005453 pelletization Methods 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 235000012255 calcium oxide Nutrition 0.000 claims description 4
- 239000000567 combustion gas Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 239000000571 coke Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 239000002918 waste heat Substances 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000003345 natural gas Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of method that copper or nickel are extracted from the sludge of cupric or nickel, including cupric or nickel sludge drying；Dispensing, mixing and balling process；The sintering of compound, cooling, break process；Finished product is sieved；Side-blown melting；Copper or nickel block cast.Automated condtrol is carried out to dispensing, drying, sintering mill (plant) in the production elder generation etc. using PLC control system in the present invention, reduce the quantity of production station operating personnel, improve labor productivity, with preferable economic benefit and social benefit, the present invention also carries out purified treatment to dry flue gas, sintering flue gas, side-blown melting flue gas, reach discharge standard, reduce the pollution to air, in addition, the present invention is also carried out using treatment to the waste heat in preparation process, implements the theory for realizing recycling economy.
Description
Technical field
The cupric of electron trade (circuit board) wastewater treatment formation or the reutilization technology of nickel sludge are the present invention relates to the use of,
Specifically related to a kind of method that copper or nickel are extracted from cupric or nickel sludge.
Background technology
Sludge-category heavy metal sewage sludge (hazardous waste) that current electron trade (circuit board) wastewater treatment is formed, what is had adopts
Agglomeration by hand is dried, some use local method drying, and some use local method sintering are sold toward smeltery and reclaim therein again after treatment
Valuable element copper, but use with upper type, and water content is up in the case of 82% in sludge, it is impossible to realize continuous metaplasia
Produce, can not form automatic production line, and production process labour intensity is big, poor working environment, low production efficiency.
The content of the invention
The present invention is directed to deficiency of the prior art, there is provided a kind of method that copper or nickel are extracted from cupric or nickel sludge.
The present invention is realized by following technical scheme：A kind of side that copper or nickel are extracted from cupric or nickel sludge
Method, comprises the following steps：
(1) drying of cupric or nickel sludge：By the cupric of water content >=70% or nickel sludge, carried out in feeding drying equipment
Dried process；
(2) dispensing, mixing and pelletizing：The cupric that will be obtained after step (1) is dried or nickel sludge and silica sand and Jiao
Carry out being re-fed into mixing, balling equipment after dispensing to carry out mixing and pelletizing treatment in powder feeding dispensing equipment, obtain compound；
(3) sintering of compound, cooling：The compound feeding agglomerating plant that step (2) is obtained is sintered, cools down
Treatment, obtains bulk sintering deposit；
(4) break process：The bulk sintering deposit feeding disintegrating apparatus of step (3) is made into break process, after break process
Sintering deposit granularity be 0-150mm；
(5) finished product screening：The sintering deposit feeding finished product sieve compartment of step (4) is carried out into finished product gradation sizing treatment, respectively
Screen out finished product sintering deposit, grate-layer material, return mine；
(6) side-blown melting：The finished product sintering deposit and coke, solvent of step (5) acquisition are put into side-blown smelting furnace and makees side-blown molten
Refining treatment, output copper or nickel.
Also include that step (7) copper or nickel block cast as the preferred of such scheme, after step (6)：By step (6) output
Copper or nickel are cast as copper or nickel block in stokehold.
As the preferred of such scheme, when the dispensing of step (2) is carried out, to putting into quick lime in dispensing equipment.
Used as the preferred of such scheme, the water content of cupric or nickel sludge after being processed through step (1) is 45-55%.
As the preferred of such scheme, the granularity >=10mm of the finished product sintering deposit, the granularity 5-10mm of grate-layer material, return mine
Granularity 0-5mm, the agglomerating chamber of grate-layer material return to step (3) reprocesses, and dispensing equipment in return to step of returning mine (2) is made again
Treatment.
Used as the preferred of such scheme, the agglomerating plant of step (3) is sintering machine, and sintering machine is provided with cooling device；Step
Suddenly the processing step of (3) includes the cooling of cloth, sintering ignition, down draft sintering and exhausting, and it is 200-250 that exhausting cooling uses temperature
DEG C cooled flue gas carry out cooling treatment.
Used as the preferred of such scheme, the cooled flue gas are sent to drying equipment work after being processed by purifying processing device
After mixing for the combustion air of drying source or with combustion gas furnace burning natural gas or producer gas source is dried as drying equipment.
As the preferred of such scheme, in step (1), step (3) and step (6), increase fume treatment auxiliary to cigarette
Gas carries out purified treatment.
Used as the preferred of such scheme, the also PLC including carrying out automatic detection to above-mentioned each process, control is automatically controlled
System.
Compared with prior art, PLC automatic control system is used in the present invention to dispensing, drying, the burning in the production elder generation
Knot workshop etc. carries out Automated condtrol, reduces the quantity of production station operating personnel, labor productivity is improved, with preferable
Economic benefit and social benefit, flue gas of the present invention also to generating process carries out purified treatment, by the cigarette after purified treatment
Gas reaches discharge standard, the pollution to air is reduced, additionally, the present invention is also carried out at recycling to the waste heat in preparation process
Reason, using cooled flue gas by purification as drying source combustion air, and to break process after unqualified sintering deposit return make
It is that grate-layer material or raw material are recycled, implements the theory for realizing recycling economy.
Specific embodiment
With reference to specific embodiment, the invention will be further described.
A kind of method that copper or nickel are extracted from cupric or nickel sludge, comprises the following steps that：
(1) drying of cupric or nickel sludge：By the cupric of water content 82% or nickel sludge, screw feeder is passed through by sludge bin
After machine feed, it is dried through conveyer feeding drum drier, the water content of the cupric or nickel sludge is 50% after drying, its
In, the dried medium in drum drier is flue gas, and dried dry flue gas feeding electric cleaner carries out udst separation treatment
Afterwards, then by blower fan, muffler treatment, subsequently into discharge after spray tower treatment.
(2) dispensing, mixing and pelletizing：The cupric or nickel that will be obtained after step (1) is dried in dispensing equipment are dirty
Mud with return mine, quick lime (acidic materials that quick lime is intended in neutralisation treatment sludge), silica sand and coke powder mix and are put into mixing,
Balling equipment carries out mixing with pelletizing so as to obtain compound；
(3) sintering of compound, cooling：The compound that step (2) is obtained is transported to burning sintering machine through cloth, sintering
The cooling of igniting, down draft sintering and exhausting is sintered, cooling treatment is so as to obtain bulk sintering deposit, wherein sintering ignition process use
Natural gas or producer gas, firing temperature are 1000 ± 50 DEG C, and exhausting cooling procedure temperature in use is 250 DEG C of cooled flue gas
Carry out cooling treatment, cooled flue gas can also by after wind box branch pipe, dust-fall pipe, multi-tube dust cleaner dedusting again by blower fan,
Muffler treatment after cooled flue gas be sent to drying equipment as the combustion air of drying source or with combustion gas furnace burn natural gas or
As the source that dries of drying equipment after producer gas mixing, the sintering flue gas feeding bellows branch produced during sintering ignition
After pipe, sending down abnormally ascending pipe, electric cleaner carry out udst separation treatment, then through blower fan, muffler treatment, subsequently into spray tower treatment after
Discharge；
(4) break process：The bulk sintering deposit feeding disintegrating machine of step (3) is made into break process, the burning after break process
The granularity for tying ore deposit is 0-150mm；
(5) finished product screening：Step (4) is sent into finished product sieve compartment by the sintering deposit obtained after break process is carried out into
The treatment of product gradation sizing, granularity is screened out respectively is：The finished product sintering deposit of >=10mm, the grate-layer material of 5-10mm, 0-5mm return mine,
The agglomerating chamber of wherein grate-layer material return to step (3) is reprocessed, and the dispensing equipment of return to step of returning mine (2) is reprocessed；
(6) side-blown melting：Finished product sintering deposit and coke that step (5) is obtained, solvent sends into side-blown smelting furnace carries out side
Blow and fuse refining output copper or nickel and slag tap and then copper or nickel are cast as copper or nickel block in stokehold, wherein melting rear side blows and fuses refining flue gas
Air is entered after being sent into desulfurizing tower desulfurization process through blower fan after being processed through cyclone dust collectors, sack cleaner udst separation.
(7) copper or nickel block cast：The copper or nickel of step (6) output are cast as copper or nickel block in stokehold.
The drying source of the drum drier in step (1) is cooled flue gas or itself and combustion gas furnace burning natural gas or generation
The mixture of producer gas.
Sintering machine in step (3), including sintering machine body, the car puller with hydraulic system, car, band hydraulic pressure are crossed before machine turn over
The tail transfer vehicle of car machine, pull a cart machine and grease concentrating lubricating system.
The charge ratio in above-described embodiment, technological parameter, electric, instrument are carried out using PLC control system in the present invention
Automated condtrol and monitoring, reduce production station operating personnel, labor productivity are improved, with preferable economic benefit and society
Can benefit
The preferred embodiment for embodying the principle of the invention is the foregoing is only, therefore protection model of the invention is not limited
Enclose, every impartial change made according to the present invention is with modification all within the scope of the claims that the present invention covers.
Claims (8)
1. a kind of method that copper or nickel are extracted from cupric or nickel sludge, it is characterised in that：Comprise the following steps：
(1) drying of cupric or nickel sludge：By the cupric of water content >=70% or nickel sludge, it is dried in feeding drying equipment
Treatment；
(2) dispensing, mixing and pelletizing：The cupric or nickel sludge that are obtained after step (1) is dried are sent with silica sand and coke powder
To enter carry out in dispensing equipment and be re-fed into mixing, balling equipment after dispensing and carry out mixing and pelletizing treatment, obtain compound；
(3) sintering of compound, cooling：The compound feeding agglomerating plant that step (2) is obtained is sintered, at cooling
Reason, obtains bulk sintering deposit；
(4) break process：The bulk sintering deposit feeding disintegrating apparatus of step (3) is made into break process, through the burning after break process
The granularity for tying ore deposit is 0-150mm；
(5) finished product screening：The sintering deposit feeding finished product sieve compartment of step (4) is carried out into finished product gradation sizing treatment, is sieved respectively
Go out finished product sintering deposit, grate-layer material, return mine；Wherein granularity >=the 10mm of finished product sintering deposit, the granularity 5-10mm of grate-layer material, return mine
Granularity 0-5mm；The agglomerating chamber of grate-layer material return to step (3) reprocesses, and the dispensing equipment in return to step of returning mine (2) is located again
Reason；
(6) side-blown melting：The finished product sintering deposit and coke, solvent of step (5) acquisition are put into side-blown smelting furnace to make at side-blown melting
Reason, output copper or nickel.
2. the method for extracting copper or nickel from cupric or nickel sludge as claimed in claim 1, it is characterised in that：After step (6)
Also include that step (7) copper or nickel block cast：The copper or nickel of step (6) output are cast as copper or nickel block in stokehold.
3. the method for extracting copper or nickel from cupric or nickel sludge as claimed in claim 1 or 2, it is characterised in that：Carry out
During the dispensing of step (2), to putting into quick lime in dispensing equipment.
4. the method for extracting copper or nickel from cupric or nickel sludge as claimed in claim 1, it is characterised in that：Through step (1)
The water content of cupric or nickel sludge after treatment is 45-55%.
5. the method for extracting copper or nickel from cupric or nickel sludge as claimed in claim 1, it is characterised in that：Step (3)
Agglomerating plant is sintering machine, and sintering machine is provided with cooling device；The processing step of step (3) includes cloth, sintering ignition, exhausting
Sintering and exhausting cooling, exhausting cooling use the temperature to carry out cooling treatment for 200-250 DEG C of cooled flue gas.
6. the method for extracting copper or nickel from cupric or nickel sludge as claimed in claim 1, it is characterised in that：The cooling cigarette
Gas is sent to drying equipment as the combustion air of drying source or natural with combustion gas furnace burning after being processed by purifying processing device
After gas or producer gas mixing source is dried as drying equipment.
7. the method for extracting copper or nickel from cupric or nickel sludge as claimed in claim 1, it is characterised in that：Step (1),
In step (3) and step (6), increase fume treatment auxiliary carries out purified treatment to flue gas.
8. the method that copper or nickel are extracted from cupric or nickel sludge as described in any one of above-mentioned claim claim, its
It is characterised by：Also include carrying out above-mentioned each process automatic detection, the PLC automatic control system of control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337593.6A CN104342556B (en) | 2013-08-06 | 2013-08-06 | A kind of method that copper or nickel are extracted from cupric or nickel sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337593.6A CN104342556B (en) | 2013-08-06 | 2013-08-06 | A kind of method that copper or nickel are extracted from cupric or nickel sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104342556A CN104342556A (en) | 2015-02-11 |
| CN104342556B true CN104342556B (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310337593.6A Active CN104342556B (en) | 2013-08-06 | 2013-08-06 | A kind of method that copper or nickel are extracted from cupric or nickel sludge |
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| CN (1) | CN104342556B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269213B (en) * | 2016-10-19 | 2017-05-31 | 广东金宇环境科技有限公司 | A kind of handling process of low-grade cupro-nickel electroplating sludge |
| WO2019214507A1 (en) * | 2018-05-08 | 2019-11-14 | 中国恩菲工程技术有限公司 | Comprehensive processing method and comprehensive processing system for copper-containing sludge and circuit boards |
| CN108796222B (en) * | 2018-06-11 | 2019-12-20 | 广东省资源综合利用研究所 | Harmless recycling method for copper-nickel-containing industrial sludge |
| CN110283996A (en) * | 2019-07-29 | 2019-09-27 | 广西冶金研究院有限公司 | A kind of smelting process of energy-saving and environment-friendly copper-contained sludge |
| CN110629028A (en) * | 2019-09-27 | 2019-12-31 | 广东金宇环境科技有限公司 | Process for treating sludge containing copper and nickel by combination method |
| CN111763823B (en) * | 2020-08-26 | 2022-05-20 | 甘肃高能中色环保科技有限公司 | Method for producing sintered cake from complex nickel-containing wet material |
| CN113652543B (en) * | 2021-10-20 | 2022-02-22 | 北京高能时代环境技术股份有限公司 | Sintering pretreatment method for nickel-containing sludge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092662A (en) * | 2007-04-18 | 2007-12-26 | 吴显荣 | Technique and equipment for treating electroplating sludge |
| CN201014456Y (en) * | 2006-11-20 | 2008-01-30 | 上海金州环境工程有限公司 | Industry sludge drying and burning system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3273652B2 (en) * | 1993-03-29 | 2002-04-08 | 新日本製鐵株式会社 | Sintering method for sinter |
| CN1970807A (en) * | 2006-12-05 | 2007-05-30 | 上海成富经济发展有限公司 | Process for electrosmelting ferronickel |
| CN102433437B (en) * | 2011-10-26 | 2013-07-03 | 惠州Tcl环境科技有限公司 | Heavy metal sludge recycling and innocent treatment method |
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2013
- 2013-08-06 CN CN201310337593.6A patent/CN104342556B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201014456Y (en) * | 2006-11-20 | 2008-01-30 | 上海金州环境工程有限公司 | Industry sludge drying and burning system |
| CN101092662A (en) * | 2007-04-18 | 2007-12-26 | 吴显荣 | Technique and equipment for treating electroplating sludge |
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Effective date of registration: 20240104 Address after: No. 18 Wendong Road, Xushe Town, Yixing City, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Jiang Feng Resources Recycling Co.,Ltd. Address before: 214000 Yifeng South Street, Xushe Town, Yixing City, Jiangsu Province Patentee before: Shen Zhiliang |