CN109055741B - Solid-liquid separation device for wet metallurgy - Google Patents
Solid-liquid separation device for wet metallurgy Download PDFInfo
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- CN109055741B CN109055741B CN201811040392.9A CN201811040392A CN109055741B CN 109055741 B CN109055741 B CN 109055741B CN 201811040392 A CN201811040392 A CN 201811040392A CN 109055741 B CN109055741 B CN 109055741B
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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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
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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
Abstract
The invention discloses a solid-liquid separation device for wet metallurgy, which comprises a primary filter box, a second filter box, a fractionating box and a condensing box which are sequentially communicated, wherein the fractionating box is connected with an electrodeposition system; the interior of the primary filter tank is divided into a dissolving chamber and a primary leaching chamber by a rigid mesh screen and a filter screen; a pumping filter screen and a retarding plate are arranged in the second filter tank, and a first vacuum pump is arranged on the second filter tank; and the fractionating box is provided with a second vacuum pump and a heating coil, and is communicated with the condensing box through a third communicating pipe. The solid-liquid separation device for hydrometallurgy has the advantages of high separation speed, good separation effect and capability of recovering a large amount of recyclable substances, and in the whole working process, the pressure difference is generated between two adjacent containers through the vacuum pump for transmission, so that the effective use time is long, and the maintenance period of parts is short.
Description
Technical Field
The invention belongs to the technical field of hydrometallurgy equipment, and particularly relates to a solid-liquid separation device for hydrometallurgy.
Background
Hydrometallurgy is a process of dissolving metal minerals into alkaline and acidic aqueous solutions or organic solvents, extracting metals and compounds thereof through extraction, impurity separation and extraction, a large amount of solid residues and liquid substances are generated in the production process, the solid residues are mainly raw ores or recovery substances containing a large amount of extractable metals are dissolved parts, the liquid substances are mainly extraction liquids dissolved with a large amount of metal simple substances or compounds, the key step in hydrometallurgy is to separate the solid residues from the liquid substances, then the liquid substances are processed to obtain products, and whether the solid residues can be well separated from the liquid substances or not determines the purity of final products.
Most of large particle impurities are removed mainly by a natural precipitation method in the prior art, most of small particle impurities are removed by filtration, although the method is simple to operate, the workload and the working time of an extraction process can be greatly improved, the overall effect of solid-liquid separation is not good, a pump is required in the transmission process of liquid substances, and the pump is greatly damaged or even damaged due to the existence of a large amount of solid impurities in the previous process, which is not beneficial to the normal operation of the process.
Disclosure of Invention
The invention aims to provide a solid-liquid separation device for hydrometallurgy.
The purpose of the invention can be realized by the following technical scheme:
a solid-liquid separation device for hydrometallurgy comprises a primary filter box, a second filter box, a fractionation box and a condensing box which are sequentially communicated, wherein the fractionation box is connected with an electrodeposition system;
a rigid mesh screen and a filter screen are arranged in the primary filter tank, the rigid mesh screen and the filter screen divide the inner space of the primary filter tank into a dissolving chamber and a primary leaching chamber, a stirring motor is arranged above the primary filter tank, the stirring motor is connected with a stirring blade through a rotating shaft, the primary leaching chamber is communicated with a second filter tank through a first communicating pipe, and a first valve is arranged on the first communicating pipe;
a suction filter screen and a retarding plate are installed in the second filter tank, the retarding plate is arranged in the suction filter screen, the retarding plate is arranged right below the first communicating pipe, a first vacuum pump is installed on the second filter tank, the first vacuum pump is communicated with the interior of the second filter tank through a first vacuum pipe, the second filter tank is communicated with the fractionating tank through a second communicating pipe, and a second valve is installed on the second communicating pipe;
the fractionating box is provided with a second vacuum pump, the second vacuum pump is communicated with the inside of the fractionating box through a second vacuum tube, the fractionating box is provided with a heating coil, the fractionating box is communicated with the condensing box through a third communicating tube, and a third valve is arranged on the third communicating tube;
the inside space of condensing box is cut apart into condensation chamber and is retrieved the room through the baffle, and the baffle is the copper sheet metal, install condensing coil in the condensation chamber, condensing coil's one end and third communicating pipe switch-on, condensing coil's the other end passes through the output tube and retrieves the room switch-on, and condensing coil still switches-on has the comdenstion water.
In a further aspect of the present invention, the rigid mesh screen has a steel plate structure with dense through holes formed on a surface thereof.
As a further scheme of the invention, the primary filter tank is provided with an air pump, the air pump is connected with one end of an air conveying pipe, and the other end of the air conveying pipe is communicated with the primary leaching chamber.
As a further scheme of the invention, an air blower is connected above the condensing box through a pipeline, and the condensing box is also provided with an air guide hole.
As a further scheme of the invention, the working method of the solid-liquid separation device comprises the following steps:
putting the solid raw materials and the extracting solution into the primary filter box, opening the first valve after the solid raw materials are fully dissolved, closing the second valve, starting the first vacuum pump, pumping the extracting solution into the second filter box, and performing secondary filtration on the extracting solution through a pumping filter screen;
opening the second valve, closing the third valve, starting a second vacuum pump, and pumping the extracting solution into the fractionating box;
opening a third valve, closing the second valve, heating by a heating coil, and evaporating the recoverable auxiliary agent in the extracting solution in the fractionating box into a condensing box for condensing, liquefying and recovering;
and (3) inputting the residual extracting solution subjected to fractionation recovery operation in the fractionating box into an electrodeposition system to extract metals in the extracting solution.
The solid-liquid separation device for hydrometallurgy has the advantages that the separation speed is high, the separation effect is good, a large amount of recyclable substances can be recovered, in the whole working process, the vacuum pump is used for generating pressure difference between two adjacent containers for transmission, no pump tools are in direct contact with extracting solution, the effective use time is long, and the part maintenance period is short.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A solid-liquid separation device for hydrometallurgy is shown in figure 1 and comprises a primary filter tank 1, a secondary filter tank 2, a fractionation tank 3 and a condensation tank 4 which are sequentially communicated, wherein the fractionation tank 3 is connected with an electrodeposition system 6.
The first-stage filter tank 1 is internally provided with a rigid mesh screen 15 and a filter screen 16, a certain distance is left between the rigid mesh screen 15 and the filter screen 16, the distance between the rigid mesh screen 15 and the filter screen 16 is specifically changed according to raw materials, the inner space of the primary filter tank 1 is divided into a dissolving chamber 51 and a primary leaching chamber 52 by a rigid mesh screen 15 and a filter screen 16, the rigid mesh screen 15 is of a steel plate structure with dense through holes on the surface, can prevent undissolved large-particle residues from directly colliding and rubbing with the filter screen 16, causing the filter screen 16 to be easily damaged, a feed inlet 17 is arranged above the primary filter tank 1, a stirring motor 13 is arranged on the primary filter tank, the stirring motor 13 is connected with a stirring blade 14 through a rotating shaft, during the dissolving process, the stirring blade 14 rotates to effectively accelerate the dissolution of the metal substances into the solvent, and prevent particles from blocking through holes on the rigid mesh screen 15;
still install air pump 11 on the primary filter tank 1, the one end of air pump 11 connection air-supply pipe 12, the other end switch-on of air-supply pipe 12 is to elementary leaching chamber 52 in, and the during operation is in boiling state to the leachate in elementary leaching chamber 52 of bubbling into of elementary leaching chamber 52 through air pump 11, prevents to get into the undissolved solid impurity deposit in elementary leaching chamber 52, elementary leaching chamber 52 is through first connecting pipe 18 and the switch-on of second rose tank 2, installs first valve 19 on the first connecting pipe 18.
A suction filter screen 24 and a retarding plate 22 are arranged in the second filter box 2, the suction filter screen 24 divides the inner space of the second filter box 2 into two spaces which are not communicated with each other, the retarding plate 22 is arranged in the suction filter screen 24, one end of the retarding plate 22 is fixed on the inner wall of the second filter box 2, the other end of the retarding plate 22 is fixedly arranged in the second filter box 2 through a fixing plate 23, the retarding plate 22 is arranged under the first communication pipe 18 to prevent the leachate entering the second filter box 2 from the primary filter box 1 from directly impacting the suction filter screen 24 to cause the damage of the suction filter screen 24, a first vacuum pump 21 is arranged on the second filter box 2, the first vacuum pump 21 is communicated with the inner part of the second filter box 2 through a first vacuum pipe 25, the air pressure in the second filter box 2 is reduced through the first vacuum pump 21, so that the leachate in the first filter box 1 enters the second filter box 2 under the action of pressure difference, the second filter tank 2 is connected to the fractionation tank 3 through a second connection pipe 26, and a second valve 27 is installed on the second connection pipe 26.
Install second vacuum pump 31 on fractionating box 3, second vacuum pump 31 still installs heating coil 33 on fractionating box 3 through the inside switch-on of second vacuum tube 32 with fractionating box 3, is the conduction oil in heating coil 33, and heating coil 33 and conduction oil heating device switch-on are stable through conduction oil heating temperature, are favorable to going on of fractionating, fractionating box 3 is through third communicating pipe 34 and 4 switch-ons of condensation box, installs third valve 35 on the third communicating pipe 34.
The inner space of the condensation box 4 is divided into a condensation chamber 43 and a recovery chamber 41 by a partition plate 42, the partition plate 42 is a copper thin plate, which has good heat conduction effect, a condensing coil 44 is arranged in the condensing chamber 43, one end of the condensing coil 44 is communicated with the third communicating pipe 34, the other end of the condensing coil 44 is communicated with the recovery chamber 41 through an output pipe 45, the condensing coil 44 is also communicated with condensed water, the gas poured into the fractionating box 3 is condensed and liquefied through condensed water, a blower 46 is connected above the condensing box 4 through a pipeline, a wind guide hole 47 is also formed in the condensing box 4, and when the gas condensing device works, since the liquefied liquid still has a certain temperature and the heat is diffused after being conducted through the partition plate 42, the condensation is not facilitated, therefore, air or low-temperature gas is blown into the condensation chamber 43 by the blower 46 to cool and dissipate the temperature in the condensation chamber 43.
The working method of the solid-liquid separation device comprises the following steps:
putting the solid raw materials and the extracting solution into the primary filtering tank 1, opening the first valve 19 after the solid raw materials are fully dissolved, closing the second valve 27, starting the first vacuum pump 21, pumping the extracting solution into the second filtering tank 2, and performing secondary filtering on the extracting solution through the pumping filter screen 24;
opening the second valve 27, closing the third valve 35, and starting the second vacuum pump 31 to pump the extract into the fractionating box 3;
opening the third valve 35, closing the second valve 27, heating by the heating coil 33, evaporating the recoverable auxiliary agent in the extracting solution in the fractionating box 3 into the condensing box 4 for condensing, liquefying and recovering;
the extraction of metals from the extraction liquid is carried out by feeding the extraction liquid remaining from the fractionation recovery operation in the fractionation tank 3 to an electrowinning system 6, which is a method for producing cathode metals by electrowinning of metal-containing ions, which is a common practice in hydrometallurgy and will not be described in detail.
The solid-liquid separation device for hydrometallurgy has the advantages of high separation speed, good separation effect, capability of recovering a large amount of recyclable substances, capability of generating pressure difference between two adjacent containers for transmission through the vacuum pump in the whole working process, no direct contact between a pump tool and an extracting solution, long effective service time and short part maintenance period.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (5)
1. A solid-liquid separation device for hydrometallurgy is characterized by comprising a primary filter box (1), a second filter box (2), a fractionation box (3) and a condenser box (4) which are sequentially communicated, wherein the fractionation box (3) is connected with an electrodeposition system (6);
the primary filter tank is characterized in that a rigid mesh screen (15) and a filter screen (16) are installed in the primary filter tank (1), the rigid mesh screen (15) and the filter screen (16) divide the inner space of the primary filter tank (1) into a dissolving chamber (51) and a primary leaching chamber (52), a stirring motor (13) is installed above the primary filter tank (1), the stirring motor (13) is connected with a stirring blade (14) through a rotating shaft, the primary leaching chamber (52) is communicated with the second filter tank (2) through a first communicating pipe (18), and a first valve (19) is installed on the first communicating pipe (18);
a suction filter screen (24) and a retarding plate (22) are installed in the second filter box (2), the retarding plate (22) is arranged in the suction filter screen (24), the retarding plate (22) is arranged right below the first communicating pipe (18), a first vacuum pump (21) is installed on the second filter box (2), the first vacuum pump (21) is communicated with the interior of the second filter box (2) through a first vacuum pipe (25), the second filter box (2) is communicated with the fractionating box (3) through a second communicating pipe (26), and a second valve (27) is installed on the second communicating pipe (26);
a second vacuum pump (31) is installed on the fractionation box (3), the second vacuum pump (31) is communicated with the interior of the fractionation box (3) through a second vacuum tube (32), a heating coil (33) is installed on the fractionation box (3), the fractionation box (3) is communicated with the condensation box (4) through a third communicating tube (34), and a third valve (35) is installed on the third communicating tube (34);
the inner space of condensing box (4) is cut apart into condensing chamber (43) and is retrieved room (41) through baffle (42), and baffle (42) are the copper sheet metal, install condensing coil (44) in condensing chamber (43), the one end and the third communicating pipe (34) switch-on of condensing coil (44), the other end of condensing coil (44) passes through output tube (45) and retrieves room (41) switch-on, and condensing coil (44) have still put through the comdenstion water.
2. A solid-liquid separator for hydrometallurgy according to claim 1, c h a r a c t e r i z e d in that said rigid screen (15) is of steel plate construction with densely perforated holes in the surface.
3. The solid-liquid separation device for hydrometallurgy according to claim 1, characterized in that an air pump (11) is installed on the primary filter tank (1), the air pump (11) is connected with one end of an air pipe (12), and the other end of the air pipe (12) is communicated with the primary leaching chamber (52).
4. The solid-liquid separation device for hydrometallurgy according to claim 1, characterized in that a blower (46) is connected to the upper part of the condensation tank (4) through a pipeline, and the condensation tank (4) is also provided with air guide holes (47).
5. A solid-liquid separation device for hydrometallurgy according to claim 1, characterized in that the method of operation of the solid-liquid separation device comprises the steps of:
putting solid raw materials and extracting solution into the primary filtering tank (1), opening a first valve (19) after the solid raw materials are fully dissolved, closing a second valve (27), starting a first vacuum pump (21), pumping the extracting solution into a second filtering tank (2), and performing secondary filtering on the extracting solution through a pumping filter screen (24);
opening a second valve (27), closing a third valve (35), starting a second vacuum pump (31) and pumping the extracting solution into the fractionating box (3);
opening a third valve (35), closing a second valve (27), heating by a heating coil (33), and evaporating the recoverable auxiliary agent in the extracting solution in the fractionating box (3) into a condensing box (4) for condensation, liquefaction and recovery;
and (3) inputting the residual extracting solution subjected to the fractionating and recovering operation in the fractionating box (3) into an electrodeposition system (6) to extract metals in the extracting solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811040392.9A CN109055741B (en) | 2018-09-07 | 2018-09-07 | Solid-liquid separation device for wet metallurgy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811040392.9A CN109055741B (en) | 2018-09-07 | 2018-09-07 | Solid-liquid separation device for wet metallurgy |
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| Publication Number | Publication Date |
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| CN109055741A CN109055741A (en) | 2018-12-21 |
| CN109055741B true CN109055741B (en) | 2019-12-31 |
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| CN201811040392.9A Active CN109055741B (en) | 2018-09-07 | 2018-09-07 | Solid-liquid separation device for wet metallurgy |
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| CN113234934B (en) * | 2021-05-20 | 2022-11-01 | 华北理工大学 | Zinc-containing smoke leaching treatment method and device for steel plant |
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| WO2010121367A8 (en) * | 2009-04-23 | 2011-01-06 | Greenfield Ethanol Inc. | Fractionation of biomass for cellulosic ethanol and chemical production |
| CN101831547A (en) * | 2010-05-26 | 2010-09-15 | 江苏凯力克钴业股份有限公司 | Method for purifying cobalt solution |
| CN203999238U (en) * | 2014-06-30 | 2014-12-10 | 天津雷鸣科技有限公司 | A kind of industrial waste acid water treating equipment |
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Effective date of registration: 20191204 Address after: 562400 Jinsui building, Zhongxin Avenue, mingu Town, Zhenfeng County, Qianxinan Buyei and Miao Autonomous Prefecture, Guizhou Province Applicant after: Guizhou Zijinshan Mining industry Address before: 230000 Jinxing Commercial City Phase II, 339 Shizhu Road, Hefei Economic and Technological Development Zone, Anhui Province, 2013 Applicant before: Anhui golden wealth Construction Engineering Co., Ltd. |
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