CN105671307A - Metal matte granulating system and operation method thereof - Google Patents
Metal matte granulating system and operation method thereof Download PDFInfo
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- CN105671307A CN105671307A CN201610247406.9A CN201610247406A CN105671307A CN 105671307 A CN105671307 A CN 105671307A CN 201610247406 A CN201610247406 A CN 201610247406A CN 105671307 A CN105671307 A CN 105671307A
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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
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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
- C22B15/0002—Preliminary treatment
- C22B15/0004—Preliminary treatment without modification of the copper constituent
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Abstract
The invention provides a metal matte granulating system. The metal matte granulating system comprises a granulating device and a cooling water treatment device; a granulator and a cooling water nozzle are sequentially arranged in a granulating tower from the inlet of the granulating tower; a sedimentation basin and a conveying device are arranged at the bottom of the granulating tower; the first outlet of the sedimentation basin is connected with the inlet of the conveying device; the second outlet of the sedimentation basin is connected with the inlet of a first aqua storage tank; a first pump is arranged inside the first aqua storage tank; the outlet of the first pump is connected with the inlet of a reaction tank; the outlet of the reaction tank is connected with the inlet of a filtering device; the outlet of the filtering device is connected with the first inlet of a second aqua storage tank; a second pump is arranged inside the second aqua storage tank; the outlet of the second pump is connected with the inlet of the cooling water nozzle. The system can solve the influence on the quality of copper matte by sodium sulfate and sodium sulphite produced during the granulation of the copper matte.
Description
Technical field
The present invention relates to metal smelt technical field, relate in particular to a kind of metal sulfonium granulation system andIts operation method.
Background technology
In pyrometallurgical smelting field, as needed granulation a large amount of in the processes such as smelting iron and steel, copper smeltingHigh-temperature fusant, particularly aspect suspension copper smelting technique, need to dry after matte granulation,Grind and blow, producing blister copper.
In the time that granulation contains sulfur metal sulfonium, due to the sulphur in high-temperature molten metal sulfonium and airborne oxygenReaction, forms sulfur dioxide or sulfur trioxide, the two water-soluble rear form respectively sulfurous acid andSulfuric acid, thus make water quality become Acidic water. The easy etching apparatus of this Acidic water, causes and establishesThe standby lost of life, and equipment operation failure rate is high, in order to change this present situation, mostly adoptsIn cooling water, add NaOH to regulate the pH value of cooling water, make pH value higher than 7. ButAlong with the carrying out producing, NaOH, along with the reduction of cooling water pH value constantly adds, makesIn cooling water, produce a large amount of sodium sulphate and sodium sulfite, a large amount of sodium sulphate and sodium sulfite folderBand enters matte, makes the degradation of matte, serves problem to follow-up production band. Therefore,How to change this present situation, reducing the generation of sodium sulphate and sodium sulfite and entering in matte becomesEnterprise needs the problem solving in producing.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of metal sulfonium granulation system and operation thereofMethod, the granulation system that the application provides can solve metal sulfonium, particularly matte granulation processThe impact on matte quality of the sodium sulphate of middle generation and sodium sulfite.
In view of this, the application provides a kind of metal sulfonium granulation system, comprise granulating device withCooling-water treatment apparatus, described granulating device comprise granulation tower, pelletizer, water-cooling-sprayer,Sedimentation basin and conveying arrangement, described cooling-water treatment apparatus comprise the first tank, the first pump,Reactive tank, filter, the second tank and the second pump;
The inside of described granulation tower is disposed with pelletizer and cold from the Way in of granulation towerBut sprinkler head;
The bottom of described granulation tower is provided with sedimentation basin and conveying arrangement, first of described sedimentation basinOutlet is connected with the entrance of described conveying arrangement;
The second outlet of described sedimentation basin is connected with the entrance of described the first tank;
Described the first pump is arranged at described the first tank inside, and described the first delivery side of pump withThe entrance of described reactive tank is connected;
The outlet of described reactive tank is connected with the entrance of described filter;
The outlet of described filter is connected with the first entrance of described the second tank;
Described the second pump is arranged at described the second tank inside, and described the second delivery side of pump withThe entrance of described water-cooling-sprayer is connected;
The outlet of described the first tank is connected with the second entrance of described the second tank.
Preferably, described cooling-water treatment apparatus also comprises pumping installations, and described pumping installations is establishedBe placed between described reactive tank and described filter.
Preferably, described cooling-water treatment apparatus also comprises water pipe, the outlet of described water pipe and instituteThe 3rd entrance of stating the second tank is connected.
Preferably, described filter is filter or concentrator.
Preferably, the entrance of described reactive tank is also connected with the outlet of reagent storage tank, described reagentThe entrance of storage tank is connected with the outlet of reagent tank diameter.
The operation method of the metal sulfonium granulation system described in the application also provides, comprises following stepRapid:
A), motlten metal sulfonium is passed through successively to the cooling water-cooled of pelletizer granulation and water-cooling-sprayerBut, obtain metal sulfonium particle, the cooling water of described metal sulfur granules and sedimentation is entered to sedimentation basin;
B), described conveying arrangement is taken described metal sulfur granules out of from described sedimentation basin, described heavyThe cooling water overflow falling is to described the first tank, and described the first pump is by the cooling water of described sedimentationPart is pumped to reactive tank; Described in remainder, the cooling water overflow of sedimentation is in the second tank;
C), in described reactive tank, add reagent to react, obtain reactant;
D), described reactant, through filter, is obtained to filtered water and crosses filter residue, described mistakeDrainage is pumped to water-cooling-sprayer through the second pump after entering the second tank.
Preferably, described reagent is lime or milk of lime.
Preferably, when the pH of described the second tank is lower than 7 time, at described the second tankInside add NaOH or sodium hydroxide solution.
Preferably, after reducing, described the second tank cooling water adds wherein water.
The application provides a kind of metal sulfonium granulation system, comprises granulating device and cold water processDevice, described granulating device comprises granulation tower, pelletizer, water-cooling-sprayer, sedimentation basin and fortuneConveying device, described cooling-water treatment apparatus comprises the first tank, the first pump, reactive tank, mistakeFilter device, the second tank and the second pump; The inside of described granulation tower is from the entrance side of granulation towerTo being disposed with pelletizer and water-cooling-sprayer; The bottom of described granulation tower is provided with sedimentation basinWith conveying arrangement, the first outlet of described sedimentation basin is connected with the entrance of described conveying arrangement; InstituteThe second outlet of stating sedimentation basin is connected with the entrance of described the first tank; Described the first pump settingIn described the first tank inside, and the entrance phase of described the first delivery side of pump and described reactive tankConnect; The outlet of described reactive tank is connected with the entrance of described filter; Described filterOutlet is connected with the first entrance of described the second tank; Described the second pump is arranged at described secondTank inside, and described the second delivery side of pump is connected with the entrance of described water-cooling-sprayer; InstituteState the outlet of the first tank and the second entrance of described the second tank is connected. The application utilizesMetal sulfonium granulation system makes cooling water after granulation by add reaction reagent lime in reactive tankOr milk of lime, make sodium sulphate and sodium sulfite and reagent reacting in cooling water, formation calcium sulfate,Calcium sulfite and NaOH; Calcium sulfate and calcium sulfite are as sediment, by filtering and liquidBody separates, and NaOH is stayed in solution, continues to use as cooling water, adds for replacingThe NaOH entering. The present invention, in realizing the granulation of metal sulfonium, efficiently solves granulationThe problem that the quality that the sodium sulphate producing in process and sodium sulfite cause to metal sulfonium reduces; WithTime, the present invention can realize recycling for a long time of cooling water, has reduced metal sulfonium granulationThe waste of middle water resource and the consumption of NaOH, reduce production costs and reduce the dirt to environmentDye.
Brief description of the drawings
Fig. 1 is the connection diagram of metal sulfonium granulation system of the present invention;
Fig. 2 is the connection diagram of cooling-water treatment apparatus of the present invention;
Fig. 3 is the structural representation of granulating device of the present invention.
Detailed description of the invention
In order further to understand the present invention, below in conjunction with embodiment to the preferred embodiment of the inventionBe described, but should be appreciated that these are described is for further illustrating feature of the present inventionAnd advantage, instead of limiting to the claimed invention.
The embodiment of the invention discloses a kind of metal sulfonium granulation system, comprise granulating device and coolingWater treatment facilities, described granulating device comprises granulation tower, pelletizer, water-cooling-sprayer, precipitationPond and conveying arrangement, described cooling-water treatment apparatus comprises the first tank, the first pump, reactionGroove, filter, the second tank and the second pump;
The inside of described granulation tower is disposed with pelletizer and cold from the Way in of granulation towerBut sprinkler head;
The bottom of described granulation tower is provided with sedimentation basin and conveying arrangement, first of described sedimentation basinOutlet is connected with the entrance of described conveying arrangement;
The second outlet of described sedimentation basin is connected with the entrance of described the first tank;
Described the first pump is arranged at described the first tank inside, and described the first delivery side of pump withThe entrance of described reactive tank is connected;
The outlet of described reactive tank is connected with the entrance of described filter;
The outlet of described filter is connected with the first entrance of described the second tank;
Described the second pump is arranged at described the second tank inside, and described the second delivery side of pump withThe entrance of described water-cooling-sprayer is connected;
The outlet of described the first tank is connected with the second entrance of described the second tank.
As shown in Figure 1, Fig. 1 is the connection diagram of metal sulfonium granulation system of the present invention. This ShenPlease comprise granulating device and cooling-water treatment apparatus by described metal sulfonium granulation system, wherein said grainGasifying device, for the granulation of metal sulfonium, makes the cooling of metal sulfonium process pelletizer and water-cooling-sprayer,Obtain metal sulfonium particle, realize said process and be due to: in the granulation tower in described granulating deviceBe provided with pelletizer and described water-cooling-sprayer, described water-cooling-sprayer from granulation tower importer toBe arranged at described pelletizer below, make the cooling water of described water-cooling-sprayer ejection by metal sulfoniumGrain or metal sulfonium molten drop are cooling. Pass through the cooling metal sulfonium particles settling of water-cooling-sprayer in heavyBottom, pond, shallow lake is arranged at the conveying arrangement of granulating device bottom by the metal of sedimentation basin bottom simultaneouslySulfonium particle transports out from described sedimentation basin, separates with the cooling water settling down after cool metal sulfonium.The tower of granulation described in granulating device described in the application, water-cooling-sprayer, pelletizer, sedimentation basin andConveying arrangement is well known to those skilled in the art, does not limit especially this Shen hereinAs shown in Figure 3, in Fig. 3,1 is granulation tower to structural representation that please described granulating device, and 2 areWater-cooling-sprayer, 3 is pelletizer, and 4 be sedimentation basin, and described conveying arrangement is arranged on sedimentation basinBelow.
According to the present invention, another outlet of described sedimentation basin and the entrance phase of described the first tankConnect, make the cooling water settling down after cool metal sulfonium enter the first tank, enter the first storageIn cooling water in pond, contain sodium sulphate and sodium sulfite. The application's main purpose is that removal is coldBut the sodium sulphate in water and sodium sulfite, described the first tank inside is provided with described the first pump,And described the first delivery side of pump is connected with the entrance of described reactive tank, make above-mentioned part cooling water logicalCross described the first pump and be pumped to reactive tank, in described reactive tank, add reaction reagent, make its withSodium sulphate in cooling water reacts with sodium sulfite, forms calcium sulfate, calcium sulfite and hydroxideSodium, after this enters the suspension that contains calcium sulfate, calcium sulfite and NaOH and reactive tankConnected filter filters, and obtains after the filter residue and filtration of sulfur acid calcium and calcium sulfiteContaining the cooling water of NaOH. The outlet of the first tank also with of described the second tankTwo entrances are connected by connecting pipe, so that cooling water is through buffering/precipitation in the first tankAfter overflow in the second tank through connecting pipe, in ensureing cooling water normal circulationThe quality of cooling water in raising the second tank to a certain degree again.
In order to make sediment and cooling water in reactive tank enter filter completely, described reactionBetween groove and described filter, be preferably provided with pumping installations, pumping installations is described in the applicationPumping installations well known to those skilled in the art, the application does not limit especially, as excellentSelect scheme, described pumping installations is slag stock pump. Described in the application, reactive tank is art technology peopleThe reactive tank that member knows does not limit herein especially, and described filter is this area skillThe filter that art personnel know does not limit herein especially, as preferred version, and instituteStating filter is concentrator or filter.
In said process, the reagent adding in reactive tank is by the device being connected with reactive tankAdd, be specially: the entrance of described reactive tank is connected with the outlet of reagent storage tank, described reagentThe entrance of storage tank is connected with the outlet of reagent tank diameter. Described in the application, reaction reagent is preferably stoneAsh or milk of lime; In reagent tank diameter, add lime and water, form milk of lime, it enters examinationAgent storage tank, then enter reactive tank and react with the cooling water entering after the sedimentation of reactive tank. As Fig. 2Shown in, as Fig. 2 connection layout that is cooling-water treatment apparatus.
According to the present invention, the cooling water after filter filters enters the first entrance and filtrationThe second tank that device outlet is connected, to realize again recycling of cooling water. For fullFoot the cooling water needed water yield, the 3rd entrance of described the second tank and going out of described water pipeMouth is connected, and described water pipe is for adding new water to described the second tank.
The first pump described in the application is arranged at described the first tank inside, and described the second pump is establishedBe placed in described the second tank inside, and described the second delivery side of pump and described water-cooling-sprayerEntrance is connected; Cooling water in described the second tank enters institute by described the second delivery side of pumpState water-cooling-sprayer.
The application provides a kind of metal sulfonium granulation system, by the granulating device and cooling arrangingWater treatment facilities, is removed sodium sulphate and sodium sulfite in metal sulfonium granulation, avoidsImpact on matte quality, improved the quality of matte.
The application also provides the operation method of described metal sulfonium granulation system, comprises following stepRapid:
A), motlten metal sulfonium is passed through successively to the cooling water-cooled of pelletizer granulation and water-cooling-sprayerBut, obtain metal sulfonium particle, the cooling water of described metal sulfur granules and sedimentation is entered to sedimentation basin;
B), described conveying arrangement is taken described metal sulfur granules out of from described sedimentation basin, described heavyThe cooling water overflow falling is to described the first tank, and described the first pump is cold by the described sedimentation of partBut water pump is delivered to reactive tank; Described in remainder, the cooling water overflow of sedimentation is in the second tank;
C), in described reactive tank, add reagent to react, obtain reactant;
D), described reactant, through filter, is obtained to filtered water and crosses filter residue, described mistakeDrainage is pumped to water-cooling-sprayer through the second pump after entering the second tank.
According to the present invention, first motlten metal sulfonium is sprayed through pelletizer granulation and cooling water successivelyWater quench, obtains metal sulfonium particle, described metal sulfonium particle and cooling molten metal sulfoniumCooling water be settled down in sedimentation basin, the metal sulfonium particle in sedimentation basin by conveying arrangement from goldBelong to sulfonium particle and take out of, be transported to next process, the above-mentioned cooling water settling down is drowned oneselfIn pond, shallow lake overflow to the first tank, in the cooling water of now described sedimentation, contain NaOH,Sodium sulphate and sodium sulfite.
The cooling water part of above-mentioned sedimentation is pumped to reactive tank through described the first pump, then to describedIn reactive tank, add reagent to react, described reagent is preferably lime or milk of lime, makes coolingSodium sulphate in water and sodium sulfite and calcium hydroxide reaction, form calcium sulfate, calcium sulfite andNaOH; The cooling water overflow of remainder sedimentation is in the second tank. Above-mentioned calcium sulfateWith calcium sulfite as sediment by filter and fluid separation applications, now by sodium sulphate with sub-Sodium sulphate is removed, and the filtered fluid that contains NaOH enters the second tank as cooling waterAfter be pumped to water-cooling-sprayer through the second pump, can realize recycling of cooling water. Above-mentionedIn process, in the time that the pH of liquid in described the second tank is less than 7, to described the second water storageIn pond, add NaOH or sodium hydroxide solution; After described the second tank cooling water reducesAdd wherein new water.
In order further to understand the present invention, below in conjunction with embodiment to metal sulfonium provided by the inventionGranulation system and operation method thereof are elaborated, and protection scope of the present invention is not subject to following realityExecute routine restriction.
Embodiment 1
Granulation tower inside is provided with pelletizer and water-cooling-sprayer, and water-cooling-sprayer is arranged at granulationUnder device, the bottom of granulation tower is provided with sedimentation basin and conveying arrangement, and described transport dressThe one end of putting is placed in described sedimentation basin;
The outlet of described sedimentation basin is connected with the entrance of 1# tank, and 1# pump is arranged at described 1The inside of tank, and described 1# delivery side of pump is connected with an entrance of reactive tank, milk of lime storageThe outlet of groove is connected with another entrance of reactive tank, the outlet of lime tank diameter and milk of lime storage tankEntrance be connected, the outlet of described reactive tank is connected with the entrance of pumping installations, described pumping fillsThe outlet of putting is connected with the entrance of filter, the outlet of described filter and 2# tankEntrance is connected, and 2# pump is arranged at 2# tank inside, the outlet of described 2# tank and described coldBut the entrance of sprinkler head is connected; The second entrance phase of the outlet of described 1# tank and 2# tankConnect.
Embodiment 2
Milk of lime preparation: the milk of lime of preparation is containing Ca (HO)2For 20kg/m3, take 20kg(90%) calcium oxide, puts into reaction vessel, then adds 1000kg water, stirs.
Metal sulfonium granulation: metal sulfonium is discharged from smelting furnace, enters the pelletizer in granulation tower, goldBelong to sulfonium and become molten drop after pelletizer granulation, molten drop is through the cooling water of water-cooling-sprayer ejectionThe cooling metal sulfonium particle that becomes, metal sulfonium particle and cooling water together enter granulation tower bottomIn sedimentation basin, through precipitation, travelling belt is taken metal sulfonium particle out of in granulation tower, and withCooling water separates, and cooling water enters into the first tank, the part cooling water in the first tankOverflow in the second tank, the first tank remainder cooling water is pumped into reactive tank by 1# pumpIn.
Remove SO4 2-And SO3 2-: cooling water is containing SO4 2-And SO3 2-Concentration while being 0.1mol/L,In reactive tank, inject 10m3Cooling water then slowly adds 3.8m in reactive tank3Milk of lime,And constantly stir 30min.
After stirring reaction, reacted solution is sent by pumping to filter press and filters.
Through Filter Press, obtain filtered fluid (SO4 2-And SO3 2-Concentration be 0.005mol/L)With mistake filter residue (gypsum), filtered fluid enters the second tank as cooling water.
Embodiment 3
The process for preparation of milk of lime is identical with embodiment 2 with metal sulfonium granulation, and difference is:Remove the process of sodium sulfite and sodium sulphate: cooling water is containing SO4 2-And SO3 2-Concentration beWhen 0.5mol/L, in reactive tank, inject 10m3Cooling water then slowly adds in reactive tank19m3Milk of lime, and constantly stir 30min.
After stirring reaction, reacted solution is pumped to filter press by 1# pump and carried outFilter.
Through Filter Press, obtain filtered fluid (SO4 2-And SO3 2-Concentration be 0.01mol/L)With mistake filter residue (gypsum), filtered fluid enters tank as cooling water.
Embodiment 4
The process for preparation of milk of lime is identical with embodiment 2 with metal sulfonium granulation, and difference is:Remove the process of sodium sulfite and sodium sulphate: cooling water is containing SO4 2-And SO3 2-Concentration beWhen 0.05mol/L, in reactive tank, inject 10m3Cooling water then slowly adds in reactive tankEnter 1.9m3Milk of lime, and constantly stir 30min.
After stirring reaction, reacted solution is pumped to filter press by 1# pump and carried outFilter.
Through Filter Press, obtain filtered fluid (SO4 2-And SO3 2-Concentration be 0.003mol/L)With mistake filter residue (gypsum), filtered fluid enters cistern as cooling water.
Use above-mentioned cooling water after treatment to enter again granulation, make in matte sodium sulphate orSodium sulfite crystalline content reduces 70-80%.
The explanation of above embodiment is just for helping to understand method of the present invention and core think of thereofThink. It should be pointed out that for those skilled in the art, do not departing from thisUnder the prerequisite of bright principle, can also carry out some improvement and modification to the present invention, these improve andModify and also fall in the protection domain of the claims in the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can be realizedOr use the present invention. The multiple amendment of these embodiment is come those skilled in the artSay it will will be apparent, General Principle as defined herein can do not depart from of the present inventionIn the situation of spirit or scope, realize in other embodiments. Therefore, the present invention will be not can be byBe limited to these embodiment shown in this article, but will meet and principle disclosed herein and newGrain husk feature the widest consistent scope.
Claims (9)
1. a metal sulfonium granulation system, comprises granulating device and cooling-water treatment apparatus, instituteState granulating device and comprise granulation tower, pelletizer, water-cooling-sprayer, sedimentation basin and conveying arrangement,Described cooling-water treatment apparatus comprise the first tank, the first pump, reactive tank, filter,The second tank and the second pump;
The inside of described granulation tower is disposed with pelletizer and cold from the Way in of granulation towerBut sprinkler head;
The bottom of described granulation tower is provided with sedimentation basin and conveying arrangement, first of described sedimentation basinOutlet is connected with the entrance of described conveying arrangement;
The second outlet of described sedimentation basin is connected with the entrance of described the first tank;
Described the first pump is arranged at described the first tank inside, and described the first delivery side of pump withThe entrance of described reactive tank is connected;
The outlet of described reactive tank is connected with the entrance of described filter;
The outlet of described filter is connected with the first entrance of described the second tank;
Described the second pump is arranged at described the second tank inside, and described the second delivery side of pump withThe entrance of described water-cooling-sprayer is connected;
The outlet of described the first tank is connected with the second entrance of described the second tank.
2. metal sulfonium granulation system according to claim 1, is characterized in that, described inCooling-water treatment apparatus also comprises pumping installations, described pumping installations be arranged at described reactive tank withBetween described filter.
3. metal sulfonium granulation system according to claim 1 and 2, is characterized in that,Described cooling-water treatment apparatus also comprises water pipe, the outlet of described water pipe and described the second tankThe 3rd entrance be connected.
4. metal sulfonium granulation system according to claim 1 and 2, is characterized in that,Described filter is filter or concentrator.
5. metal sulfonium granulation system according to claim 1 and 2, is characterized in that,The entrance of described reactive tank is also connected with the outlet of reagent storage tank, the entrance of described reagent storage tank withThe outlet of reagent tank diameter is connected.
6. the operation method of the metal sulfonium granulation system described in claim 1～5 any one, bagDraw together following steps:
A), motlten metal sulfonium is passed through successively to the cooling water-cooled of pelletizer granulation and water-cooling-sprayerBut, obtain metal sulfonium particle, the cooling water of described metal sulfur granules and sedimentation is entered to sedimentation basin;
B), described conveying arrangement is taken described metal sulfur granules out of from described sedimentation basin, described heavyThe cooling water overflow falling is to described the first tank, and described the first pump is by the cooling water of described sedimentationPart is pumped to reactive tank; Described in remainder, the cooling water overflow of sedimentation is in the second tank;
C), in described reactive tank, add reagent to react, obtain reactant;
D), described reactant, through filter, is obtained to filtered water and crosses filter residue, described mistakeDrainage is pumped to water-cooling-sprayer through the second pump after entering the second tank.
7. according to the operation method shown in claim 6, it is characterized in that, described reagent isLime or milk of lime.
8. operation method according to claim 6, is characterized in that, when described secondThe pH of tank, lower than 7 o'clock, adds NaOH or hydroxide in described the second tankSodium solution.
9. operation method according to claim 6, is characterized in that, when described secondTank cooling water is added water after reducing wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610247406.9A CN105671307A (en) | 2016-04-20 | 2016-04-20 | Metal matte granulating system and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610247406.9A CN105671307A (en) | 2016-04-20 | 2016-04-20 | Metal matte granulating system and operation method thereof |
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Cited By (1)
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| CN110004303A (en) * | 2019-03-18 | 2019-07-12 | 铜陵有色金属集团股份有限公司 | A kind of matte granulation method for treating water |
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