CN113289765B - Impurity removing method and device for electrolytic manganese dioxide - Google Patents
Impurity removing method and device for electrolytic manganese dioxide Download PDFInfo
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- CN113289765B CN113289765B CN202110424494.6A CN202110424494A CN113289765B CN 113289765 B CN113289765 B CN 113289765B CN 202110424494 A CN202110424494 A CN 202110424494A CN 113289765 B CN113289765 B CN 113289765B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/32—Magnetic separation acting on the medium containing the substance being separated, e.g. magneto-gravimetric-, magnetohydrostatic-, or magnetohydrodynamic separation
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Abstract
The application discloses a method and a device for removing impurities of electrolytic manganese dioxide, which relate to the technical field of electrolytic manganese dioxide processing and comprise the steps of stripping, rinsing and deacidifying, crushing and magnetic separation and impurity removal which are sequentially arranged, wherein the magnetic separation and impurity removal comprises the following steps: the application carries out air supply in a magnetic separation channel with a magnetic separation conveying mechanism on the bottom surface, and carries out magnetic separation and removal on the mixed simple substance iron impurities in manganese dioxide by mixing and conveying the manganese dioxide powder and air into the magnetic separation channel and carrying out reverse conveying through the magnetic separation conveying mechanism, so that the manganese dioxide powder enters the magnetic separation channel in a suspension state for carrying out magnetic separation, the problem of magnetic inclusion is effectively prevented, the air and the manganese dioxide powder are conveyed in the magnetic separation channel in a spiral airflow by a cyclone guide mechanism arranged in the magnetic separation channel, and the manganese dioxide powder is in contact magnetic separation with the magnetic separation conveying mechanism in a reciprocating manner and blows the manganese dioxide powder deposited on the magnetic separation conveying mechanism.
Description
Technical Field
The application relates to the technical field of electrolytic manganese dioxide processing, in particular to a method and a device for removing impurities of electrolytic manganese dioxide.
Background
In the known electrolytic manganese dioxide processing method, manganese dioxide is precipitated on an electrode by electrolyzing a purified manganese sulfate solution, the precipitated manganese dioxide is washed and peeled off from the electrode, and the peeled electrolytic manganese dioxide is milled to obtain a powdery electrolytic manganese dioxide semi-finished product, but the powdery electrolytic manganese dioxide semi-finished product is mixed with elemental iron impurities, and the impurity removal is required.
The application patent with the name of a boiling magnetic separator, which comprises a magnetic separation device and a material boiling device, wherein the application publication number is CN104209187A, the application publication date is 2014, 12, 17, and the magnetic separation device comprises: the bracket is sequentially fixed on a driving roller, a magnetic system and a driven roller on a main beam of the bracket, and a motor which is fixed above the bracket and connected with the driving roller through a first transmission belt; the driving roller is connected with the driven roller through a second transmission belt, a discharge hopper with a switch device for recycling magnetic materials is arranged on a bracket below the driving roller, and the material boiling device comprises: the material channel is fixed below the material channel and is communicated with the material channel through a ventilation net, the upper surface of the material channel is attached to the second transmission belt, an opening is formed in the attached position of the material channel and the second transmission belt, and one side of the material channel is communicated with the discharge hopper to form a chamber for conveying magnetic materials; one end of the material channel is provided with a feed inlet, and the other end of the material channel is provided with a discharge outlet; an air duct exhaust port with a filter screen is further arranged above one end of the discharge port of the material channel; one end of the air channel, which is the same as the feeding hole, is connected with a blower.
The above-mentioned application is also the equipment that is used for carrying out magnetic separation to powdered raw materials, it cooperates with magnetic separation device through the material boiling device, the material boiling device makes powdered material form powdered particle suspension in the material passageway, then adsorb the separation through magnetic separation device, although it has avoided the problem that the magnetism mix with in a certain extent, but because magnetic separation device is only an adsorption plane, and powdered particle suspension fills whole material passageway, leads to magnetic separation device unable to carry out comprehensive magnetic separation, influence the effect of magnetic separation.
Disclosure of Invention
The application aims to provide a method and a device for removing impurities from electrolytic manganese dioxide, which are used for solving the defects in the prior art.
In order to achieve the above object, the present application provides the following technical solutions: the method for removing impurities of electrolytic manganese dioxide comprises the steps of stripping, rinsing and deacidifying, crushing and magnetic separation and impurity removal which are sequentially arranged, wherein the magnetic separation and impurity removal comprises the following steps:
air is supplied into a magnetic separation channel with a magnetic separation conveying mechanism at the bottom surface.
As a further description of the above technical solution: spiral wind flow is formed in the magnetic separation channel through a rotational flow guiding mechanism.
As a further description of the above technical solution: the stripping is specifically to strip manganese dioxide precipitated on an electrode during electrolysis to obtain massive manganese dioxide.
As a further description of the above technical solution: the rinsing deacidification specifically comprises the following steps:
adding the manganese dioxide blocks into a rinsing barrel, using hot water for rinsing,
and then washing with alkali liquor for neutralization, and then washing with dilute sulfuric acid for impurity removal until the PH value is 6.0-7.0.
As a further description of the above technical solution: the crushing is specifically to grind the rinsed massive manganese dioxide through a pulverizer to obtain manganese dioxide powder.
The impurity removing device for the electrolytic manganese dioxide comprises a magnetic separation conveying mechanism and an impurity removing and sorting cover fixed on the magnetic separation conveying mechanism, wherein two ends of the impurity removing and sorting cover are movably connected with cover plate assemblies, and the inner test of the impurity removing and sorting cover and the magnetic separation conveying mechanism form a magnetic separation channel;
one end of the impurity removal and separation cover is provided with an air blast feeding component, and a rotational flow guiding mechanism is also fixed in the impurity removal and separation cover;
the cyclone guide mechanism is used for conveying air sent by the blast feeding assembly in a spiral manner in the magnetic separation channel.
As a further description of the above technical solution: and a discharging pipe is communicated with the cover plate component at the other side of the impurity removal and separation cover.
As a further description of the above technical solution: the cyclone guide mechanism is an arc-shaped convex part, and a plurality of arc-shaped convex parts are uniformly distributed at the top of the inner side of the impurity removal sorting cover.
As a further description of the above technical solution: the blast feeding component comprises a connecting pipe, the connecting pipe is connected to the cover plate component on one side of the impurity removal sorting cover, a blast blower is arranged at the position of an outlet outside the connecting pipe, and a feeding pipe is further communicated with the connecting pipe.
As a further description of the above technical solution: the magnetic separation conveying mechanism comprises a conveying frame, a conveying belt is sleeved on the conveying frame in a rotating mode, and electromagnet assemblies are uniformly arranged in the conveying belt.
According to the method for removing impurities of electrolytic manganese dioxide, when the impurities of elemental iron mixed in manganese dioxide in the powder are removed, the manganese dioxide powder is mixed with air and conveyed into the magnetic separation channel, the elemental iron impurities mixed in the manganese dioxide are separated and removed through reverse conveying of the bottom magnetic separation conveying mechanism, the manganese dioxide powder is conveyed through mixing of the air and the manganese dioxide powder, the manganese dioxide powder enters the magnetic separation channel in a suspension state to be separated and separated through magnetic separation, the problem of magnetic inclusion is effectively prevented, meanwhile, the air and the manganese dioxide powder are conveyed in a spiral airflow mode inside the magnetic separation channel through the cyclone guide mechanism arranged inside the magnetic separation channel, the manganese dioxide powder is in reciprocating contact with the magnetic separation conveying mechanism to perform magnetic separation, and manganese dioxide powder deposited on the magnetic separation conveying mechanism is blown away, so that the impurities of elemental iron mixed in the manganese dioxide powder are removed more comprehensively and thoroughly.
The method for removing impurities from electrolytic manganese dioxide has the technical effects, and the electrolytic manganese dioxide impurity removing device corresponding to the method naturally has the corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic flow chart of a method for removing impurities from electrolytic manganese dioxide according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of an electrolytic manganese dioxide impurity removal device according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a front structure of an apparatus for removing impurities from electrolytic manganese dioxide according to an embodiment of the present application;
FIG. 4 is a schematic diagram of the internal structure of an apparatus for removing impurities from electrolytic manganese dioxide according to an embodiment of the present application;
FIG. 5 is a schematic view illustrating an internal structure of a sorting cover according to still another embodiment of the present application;
FIG. 6 is a schematic view of the cross-sectional structure A-A of FIG. 3 according to an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a cover assembly according to an embodiment of the present application;
FIG. 8 is a schematic diagram of an assembly structure of a cover plate assembly and a magnetic separation conveying mechanism according to an embodiment of the present application;
FIG. 9 is a schematic view of the structure of section A-A of FIG. 3 according to yet another embodiment of the present application;
fig. 10 is a schematic structural view of a cover assembly according to still another embodiment of the present application.
Reference numerals illustrate:
1. a magnetic separation conveying mechanism; 10. a sealing cover; 11. a carriage; 111. a guide groove; 12. A conveyor belt; 122. an arc-shaped concave portion; 13. a feed opening; 121. an electromagnet assembly; 2. discharging pipes; 3. removing impurities and sorting covers; 31. an arc-shaped convex part; 32. spiral guide vanes; 4. a cover plate assembly; 41. an end cap body; 42. a circular through hole; 43. an opening; 44. an air bag roller; 45. A convex portion; 5. a blast feed assembly; 51. a connecting pipe; 52. a feed pipe; 53. a blower.
Detailed Description
In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1, the embodiment of the application provides a technical scheme: the method for removing impurities of electrolytic manganese dioxide comprises the steps of crushing, rinsing deacidification, drying and magnetic separation impurity removal which are sequentially arranged, wherein the magnetic separation impurity removal comprises the following steps:
air is supplied into a magnetic separation channel with a magnetic separation conveying mechanism at the bottom surface.
Specifically, the magnetic separation conveying mechanism is provided with a magnetic separation channel above, the manganese dioxide powder with the elemental iron impurities is quantitatively and uniformly fed into the magnetic separation channel, and meanwhile, air is supplied to the inside of the magnetic separation channel, so that the manganese dioxide powder with the elemental iron impurities is mixed with air to form a suspension state, and enters the magnetic separation channel, the direction of the air supplied by the magnetic separation channel is opposite to the conveying direction of the magnetic separation conveying mechanism, and the elemental iron impurities in the manganese dioxide powder with the elemental iron impurities in the suspension state entering the magnetic separation channel are magnetically adsorbed by the magnetic separation conveying mechanism, so that the elemental iron impurities in manganese dioxide are removed, and the manganese dioxide powder is magnetically attracted to remove the impurities in the suspension state by the mode of synchronously injecting air in the cooperation.
In still another embodiment provided by the application, spiral wind flow is formed in the magnetic separation channel through the cyclone guiding mechanism.
Specifically, set up the whirl direction subassembly inside the magnetic separation passageway, owing to the effect of whirl direction subassembly, the state that is spiral form wind stream when carrying in the magnetic separation passageway with the manganese dioxide powder that air mixing is suspension state carries for the reciprocal magnetic separation that contacts with magnetic separation conveying mechanism of manganese dioxide powder, get rid of the separation more comprehensive thoroughly to the elementary substance iron impurity that mixes in the manganese dioxide powder, can blow off the manganese dioxide powder of depositing on the magnetic separation conveying mechanism simultaneously, prevent the problem that the manganese dioxide powder of depositing on the magnetic separation conveying mechanism influences the magnetic separation.
In still another embodiment of the present application, the stripping is specifically to strip manganese dioxide deposited on the electrode during electrolysis to obtain manganese dioxide in a block form.
Specifically, when the manganese sulfate solution is electrolyzed by the electrode, manganese dioxide is deposited on the electrode, and then the deposited manganese dioxide is peeled off from the electrode to obtain manganese dioxide in a lump.
In still another embodiment of the present application, the rinsing deacidification specifically includes the following steps:
adding the manganese dioxide blocks into a rinsing barrel to rinse with hot water,
and then washing with alkali liquor for neutralization, and then washing with dilute sulfuric acid for impurity removal until the PH value is 6.0-7.0.
Specifically, putting massive manganese dioxide into a rinsing barrel, firstly adding hot water for rinsing, wherein the rinsing temperature is 90 ℃, then adding 25% -35% of LiOH alkali liquor for acid washing and neutralization treatment, and keeping the pH value of the direct solution at 8-8.5, wherein the alkaline washing temperature is 75 ℃; and then the H2SO4 with the concentration of 2% -3% is used for backwashing and removing impurities until the pH value is 6.0-7.0, and the temperature of the pickling process is 80-90 ℃.
In still another embodiment of the present application, the grinding is specifically performed by grinding the rinsed manganese dioxide cake by a pulverizer to obtain manganese dioxide powder.
Referring to fig. 2-10, the embodiment of the application further provides a device for removing impurities from electrolytic manganese dioxide, which is used for magnetic separation and impurity removal in the above-mentioned impurity removal method, and comprises a magnetic separation conveying mechanism 1 and an impurity removal and separation cover 3 fixed on the magnetic separation conveying mechanism 1, wherein two ends of the impurity removal and separation cover 3 are movably connected with cover plate assemblies 4, and an inner measurement of the impurity removal and separation cover 3 and the magnetic separation conveying mechanism 1 form a magnetic separation channel; one end of the impurity removal and separation cover 3 is provided with an air blast feeding component 5, and a rotational flow guiding mechanism is also fixed in the impurity removal and separation cover 3; the cyclone guiding mechanism is used for conveying the air sent by the blast feeding assembly 5 in a spiral manner in the magnetic separation channel.
Specifically, the magnetic separation conveying mechanism 1 comprises a conveying frame 11 and a conveying belt 12, conveying rollers are rotatably arranged at two ends inside the conveying frame 11, the conveying belt 12 is rotatably sleeved on the conveying rollers at two ends inside the conveying frame 11, electromagnet assemblies 121 are uniformly distributed inside the conveying belt 12, guide grooves 111 are symmetrically formed in two sides inside the conveying frame 11, sealing rubber gaskets are embedded in the guide grooves 111 on two sides of the conveying belt 12, sealing joint is realized between sealing rubber gaskets and the guide grooves 111 on two sides of the conveying belt 12, a impurity removal separation cover 3 is fixed on the magnetic separation conveying mechanism 1, two ends of the impurity removal separation cover 3 form a magnetic separation channel with the magnetic separation conveying mechanism 1 through a cover plate assembly 4, when the manganese dioxide powder with elemental iron impurities is subjected to impurity removal, the manganese dioxide powder is mixed with air through a blasting feeding assembly 5 to form a suspension state and conveyed to the magnetic separation channel, the powder inside the magnetic separation channel is opposite to the conveying direction of the magnetic separation conveying mechanism 1, the powder in a suspension state is mixed with the air under the action of a cyclone guiding mechanism inside the impurity removal separation cover 3, the spiral state is conveyed inside the magnetic separation channel, so that the elemental iron powder is mixed with the manganese dioxide powder in the suspension state is more thoroughly separated from the magnetic separation mechanism 1 through the magnetic separation channel, the magnetic separation channel is completely separated from the magnetic separation mechanism 1 under the action of the magnetic separation mechanism 1 through the reciprocating effect of the magnetic separation mechanism under the action of the influence of the electromagnet assemblies, preventing the manganese dioxide powder deposited on the magnetic separation conveying mechanism 1 from affecting magnetic separation.
In still another embodiment provided by the application, the blanking pipe 2 is communicated with the cover plate component 4 on the other side of the impurity removal and separation cover 3. Specifically, the outlet end of the blanking pipe 2 is provided with a filtering mechanism, manganese dioxide powder which is mixed with air to be in a suspension state is subjected to magnetic separation through a magnetic separation channel to remove simple substance iron impurities, then enters the blanking pipe 2, and finally is conveyed through the blanking pipe 2 to pass through the filtering mechanism, and the air is removed to obtain finished product manganese dioxide powder.
In still another embodiment provided by the application, the rotational flow guiding mechanism comprises an arc-shaped convex part 31, and a plurality of arc-shaped convex parts 31 are uniformly distributed on the top of the inner side of the impurity removal and separation cover 3. Specifically, arc-shaped protruding portions 31 are uniformly distributed at the bottom of the inner side of the impurity removal separation cover 3, air and manganese dioxide powder are synchronously mixed and conveyed into the magnetic separation channel through the air blowing feeding assembly 5, manganese dioxide powder which is in a suspended state with air is in wave-shaped reciprocating fluctuation, namely spiral air supply, in the magnetic separation channel when conveyed along the length direction of the manganese dioxide powder, so that manganese dioxide powder which is in a suspended state with air is in contact with the magnetic separation conveying mechanism 1 in a reciprocating manner, the magnetic separation impurity removal effect is improved, and meanwhile, the powder settled by the magnetic separation conveying mechanism 1 can be blown away.
In still another embodiment of the present application, the air blast feeding assembly 5 includes a connecting pipe 51, the connecting pipe 51 is connected to the cover plate assembly 4 at one side of the impurity removal and separation cover 3, an air blower 53 is disposed at an outlet position outside the connecting pipe 51, and a feeding pipe 52 is further connected to the connecting pipe 51. The blast feeding component 5 mixes and conveys the manganese dioxide powder and air into the magnetic separation channel, specifically, external air is sucked through a blast blower 53 on a connecting pipe 51, a filtering component is arranged outside the blast blower 53, dust impurities in the air can be filtered and removed, then the manganese dioxide powder is uniformly conveyed into the connecting pipe 51 through a feeding pipe 52, and finally, the manganese dioxide powder is conveyed into the magnetic separation channel through mixing.
In still another embodiment provided by the application, preferably, the sealing cover 10 is covered on the conveying frame 11 in the area outside the conveying belt 12, and the sealing cover 10 seals and covers the conveying belt 12, so that the problem that dust is raised when the conveying belt 12 is conveyed due to the fact that the conveying belt 12 is exposed is prevented, and the working environment is improved.
In still another embodiment provided by the application, preferably, the cover plate assembly 4 comprises an end cover body 41, a circular through hole 42 is formed in the center of the end cover body 41, an opening 43 is formed in the bottom of the end cover body 41, an air bag roller 44 is rotatably arranged in the opening 43, and the air bag roller 44 is mutually attached to the surface of the conveying belt 12, so that the end opening of the impurity removal sorting cover 3 is sealed. Specifically, the gasbag cylinder 44 rotates sealed laminating with conveyer belt 12 surface, drive gasbag cylinder 44 synchronous rotation when conveyer belt 12 carries promptly, gasbag cylinder 44 rotates the laminating with conveyer belt 12 surface and realizes sealing the magnetic separation passageway, when simultaneously gasbag cylinder 44 rotates, can press together with the conveyer belt 12 surface, can not strike off the elemental iron impurity that conveyer belt 12 surface magnetism was inhaled, when carrying manganese dioxide powder and air mixing to be suspended state to continuous edulcoration processing in the magnetic separation passageway through blast feed assembly 5, conveyer belt 12 in magnetic separation conveying mechanism 1 can also synchronous reverse rotation, the work efficiency of improvement, through the rotation of conveyer belt 12, the continuous supplementary magnetic separation face of improvement, compare in traditional intermittent type formula magnetic separation edulcoration, show improvement magnetic separation edulcoration effect, and magnetic separation edulcoration efficiency.
In still another embodiment provided by the application, as shown in fig. 5, preferably, the spiral flow guide mechanism is a spiral guide vane 32, the spiral guide vane 32 is fixed on the inner wall of the impurity removal sorting cover 3, air and manganese dioxide powder are synchronously mixed and conveyed into the magnetic separation channel through the air blast feeding component 5, under the action of the spiral guide vane 32, manganese dioxide powder mixed with air and in a suspension state is spirally conveyed in the magnetic separation channel when conveyed along the length direction, so that manganese dioxide powder mixed with air and in a suspension state is in contact with the magnetic separation conveying mechanism 1 in a reciprocating manner, the magnetic separation impurity removal effect is improved, and meanwhile, manganese dioxide powder settled by the magnetic separation conveying mechanism 1 can be blown off.
The blast air feed unit 5 includes a connection pipe 51, the connection pipe 51 is connected to the circumferential surface of the impurity removal and separation hood 3 in an inclined tangential direction, and the inclination angle of the connection pipe 51 is the same as the guiding angle of the spiral guide vane 32.
In still another embodiment provided by the application, as shown in fig. 9, the center of the conveying belt 12 is provided with an arc-shaped concave part 122, the impurity removing and sorting cover 3 is of a semi-cylindrical structure, the center of the arc-shaped concave part 122 and the center of the impurity removing and sorting cover 3 are positioned at the same position, the arc-shaped concave part 122 on the conveying belt 12 is matched with the impurity removing and sorting cover 3 of the semi-cylindrical structure, so that a cylindrical mechanism is arranged in the magnetic separation channel, the spiral guide vane 32 is matched for conducting spiral guide on manganese dioxide powder which is mixed with air to form a suspension state, the spiral conveying effect on the manganese dioxide powder which is mixed with air to form the suspension state is further improved, the collision between the manganese dioxide powder which is mixed with air to form the suspension state and the inner wall of the magnetic separation channel is weakened, and the conveying effect of magnetic separation and impurity removal is improved.
In still another embodiment provided by the application, as shown in fig. 10, a convex part 45 matched with an arc concave part 122 is arranged on a specific air bag roller 44, and the convex part 45 is attached to the arc concave part 122 to realize the sealing of the port opening of the impurity removal sorting cover 3.
In still another embodiment provided by the application, electromagnet assemblies 121 are uniformly distributed on the inner side of a conveying belt 12, a pressing switch is arranged on the surface of each independent electromagnet assembly 121, a blanking opening 13 is arranged at the bottom of a conveying frame 11, trigger switches are respectively arranged on two sides of an opening of the blanking opening 13 (along the conveying direction of the conveying belt 12) in the conveying frame 11, when the conveying belt 12 rotates to the position of the blanking opening 13, the trigger switch on the front side of the opening of the blanking opening 13 automatically acts on a switch corresponding to the electromagnet assembly 121 on the conveying belt 12, the electromagnet assembly 121 is powered off, elemental iron impurities magnetically attracted on the electromagnet assembly are separated from the surface of the conveying belt 12 and discharged from the blanking opening 13, and when the conveying belt 12 moves to the rear side of the opening of the blanking opening 13, the trigger switch on the rear side of the opening of the blanking opening 13 automatically acts on the switch corresponding to the electromagnet assembly 121 on the conveying belt 12, and the electromagnet assembly 121 is electrified to generate magnetism.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (5)
1. The impurity removing device for the electrolytic manganese dioxide is characterized by comprising a magnetic separation conveying mechanism (1) and an impurity removing and sorting cover (3) fixed on the magnetic separation conveying mechanism (1), wherein two ends of the impurity removing and sorting cover (3) are movably connected with cover plate assemblies (4), and the inner side of the impurity removing and sorting cover (3) and the magnetic separation conveying mechanism (1) form a magnetic separation channel; one end of the impurity removal and separation cover (3) is provided with an air blast feeding component (5), and a rotational flow guiding mechanism is fixed in the impurity removal and separation cover (3);
the cyclone guide mechanism is used for conveying air sent by the blast feeding assembly (5) in a spiral manner in the magnetic separation channel, the cyclone guide mechanism is an arc-shaped convex part (31) or a spiral guide vane (32), a plurality of arc-shaped convex parts are uniformly distributed on the top of the inner side of the impurity removal separation cover (3), and the spiral guide vane (32) is fixed on the inner wall of the impurity removal separation cover (3);
the blast feeding assembly (5) comprises a connecting pipe (51), the connecting pipe (51) is connected to a cover plate assembly (4) on one side of the impurity removal sorting cover (3), a blast blower (53) is arranged at the position of an outlet outside the connecting pipe (51), and a feeding pipe (52) is further communicated with the connecting pipe (51);
a discharging pipe (2) is communicated with the cover plate component (4) at the other side of the impurity removal and separation cover (3);
the magnetic separation conveying mechanism comprises a conveying frame, a conveying belt is sleeved on the conveying frame in a rotating mode, and electromagnet assemblies (21) are uniformly arranged in the conveying belt.
2. The method for removing impurities from electrolytic manganese dioxide comprises the steps of stripping, rinsing and deacidifying, crushing and magnetic separation and impurity removal which are sequentially arranged, and is characterized in that the magnetic separation and impurity removal is based on the electrolytic manganese dioxide impurity removal device disclosed in claim 1, and comprises the following steps:
air is supplied into a magnetic separation channel with a magnetic separation conveying mechanism on the bottom surface, and spiral airflow is formed in the magnetic separation channel through a rotational flow guiding mechanism.
3. The method for removing impurities from electrolytic manganese dioxide according to claim 2, wherein the stripping is specifically to strip manganese dioxide deposited on an electrode during electrolysis to obtain manganese dioxide in a block shape.
4. The method for removing impurities from electrolytic manganese dioxide according to claim 2, wherein the rinsing and deacidifying step comprises the following steps:
adding massive manganese dioxide into a rinsing barrel, and rinsing by using hot water, wherein the rinsing temperature is 90 ℃;
and then washing with alkali liquor for neutralization, and then washing with dilute sulfuric acid for impurity removal until the PH value is 6.0-7.0.
5. The method for removing impurities from electrolytic manganese dioxide according to claim 2, wherein the grinding is specifically carried out by grinding rinsed block-shaped manganese dioxide with a pulverizer to obtain manganese dioxide powder.
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| CN202110424494.6A CN113289765B (en) | 2021-04-20 | 2021-04-20 | Impurity removing method and device for electrolytic manganese dioxide |
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| CN202110424494.6A CN113289765B (en) | 2021-04-20 | 2021-04-20 | Impurity removing method and device for electrolytic manganese dioxide |
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| CN114634207A (en) * | 2022-03-17 | 2022-06-17 | 广西下田锰矿有限责任公司 | Rinsing and drying process and crushing and drying device for electrolytic manganese dioxide powder |
| CN116586189B (en) * | 2023-07-14 | 2023-10-20 | 济南绿霸农药有限公司 | Impurity remover for abamectin water dispersible granule production |
Citations (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU722609A1 (en) * | 1978-09-20 | 1980-04-05 | Всесоюзный Научно-Исследовательский И Проектный Институт Вторичных Цветных Металлов "Вниипвторцветмет" | Pneumatic separator of loose materials |
| JPH0824791A (en) * | 1994-07-14 | 1996-01-30 | Shionogi & Co Ltd | Fluidized bed pneumatic screen |
| WO2000012879A1 (en) * | 1998-09-01 | 2000-03-09 | Gerd Gaiser | Exhaust gas purification device |
| JP2005058895A (en) * | 2003-08-11 | 2005-03-10 | Kyanakku Denshi Kogyo Kk | Permanent magnet-used magnetic sorting machine |
| JP2009202110A (en) * | 2008-02-28 | 2009-09-10 | Mitsubishi Heavy Ind Ltd | Foreign matter removing apparatus and method for removing foreign matter in coal |
| CN201488576U (en) * | 2009-09-08 | 2010-05-26 | 上海明兴开城超音波科技有限公司 | Water vapor condensation processor |
| CN102220490A (en) * | 2011-05-06 | 2011-10-19 | 广西桂柳化工有限责任公司 | Production method of electrolytic manganese dioxide |
| CN102580847A (en) * | 2012-02-24 | 2012-07-18 | 成都利君实业股份有限公司 | Dry-type magnetic separator |
| CN103204552A (en) * | 2013-04-11 | 2013-07-17 | 山西大学 | Iron removing method during process of extracting aluminum from coal gangue |
| CN103572314A (en) * | 2013-11-07 | 2014-02-12 | 广西桂柳化工有限责任公司 | Edulcoration treatment method of electrolytic manganese dioxide semi-finished products |
| CN103572317A (en) * | 2013-11-07 | 2014-02-12 | 广西桂柳化工有限责任公司 | Method for refining electrolytic manganese dioxide product |
| CN103695636A (en) * | 2013-12-24 | 2014-04-02 | 柳州豪祥特科技有限公司 | Preparation method of electrolytic manganese dioxide |
| CN104209187A (en) * | 2014-09-29 | 2014-12-17 | 合肥乾海洁净煤技术有限公司 | Boiling type magnetic separator |
| CN204035164U (en) * | 2014-07-22 | 2014-12-24 | 无锡红旗除尘设备有限公司 | Vortex fume trap cover |
| CN204159448U (en) * | 2014-08-29 | 2015-02-18 | 洛阳市冠奇工贸有限责任公司 | A kind of magnetic separation system for separating of magnetic impurity in spherical graphite |
| CN105921270A (en) * | 2016-05-10 | 2016-09-07 | 中南大学 | Wind belt type magnetic separator |
| CN205925996U (en) * | 2016-05-26 | 2017-02-08 | 齐春林 | Ore powder particle splitter |
| CN106733641A (en) * | 2016-12-14 | 2017-05-31 | 桑文凡 | A kind of grain processing dedusting screening installation |
| CN107583767A (en) * | 2017-09-15 | 2018-01-16 | 河南易成新能源股份有限公司 | Wind magnetic combined-type magnetic seperator |
| CN107716099A (en) * | 2017-11-20 | 2018-02-23 | 长沙矿冶研究院有限责任公司 | A kind of gas suspension disperses dry separation belt magnetic separator |
| KR20180051471A (en) * | 2018-05-08 | 2018-05-16 | 노재엽 | Air Circulation Unit |
| CN208098369U (en) * | 2018-05-24 | 2018-11-16 | 长沙矿冶研究院有限责任公司 | A kind of dry-type magnetic extractor |
| CN208260993U (en) * | 2018-08-29 | 2018-12-21 | 江苏苏林木业有限公司 | A kind of spiral exclusion device for chips |
| CN109351475A (en) * | 2018-08-01 | 2019-02-19 | 江苏钛谷科技有限公司 | A kind of new multistage magnetic separation and the dual ore-dressing plant of selection by winnowing |
| CN208710526U (en) * | 2017-10-16 | 2019-04-09 | 浙江汇特动物药业有限公司 | A kind of Tilmicosin fluidized-bed coating machine |
| CN209465164U (en) * | 2019-01-22 | 2019-10-08 | 贵州超亚纳米基材有限公司 | A kind of silicon powder magnetic separation removal device |
| CN211386255U (en) * | 2019-04-05 | 2020-09-01 | Asd株式会社 | Waste treatment device |
| CN211838464U (en) * | 2019-11-13 | 2020-11-03 | 甘肃酒钢集团西部重工股份有限公司 | Segmentation dry-type magnetic separation device for powdery magnetic materials |
| CN212328602U (en) * | 2020-04-13 | 2021-01-12 | 河南黄河旋风股份有限公司 | Powder magnetic separator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR102014002076A2 (en) * | 2014-01-28 | 2016-02-02 | Green Metals Soluções Ambientais S A | extraction process of clay, silica and iron ore through dry concentration |
| US10252275B2 (en) * | 2017-04-24 | 2019-04-09 | Bunting Magnetics Co. | Magnetic separator conveyor |
| US10814653B2 (en) * | 2018-10-18 | 2020-10-27 | Xerox Corporation | Blower roll to assist paper detack from vacuum transports |
-
2021
- 2021-04-20 CN CN202110424494.6A patent/CN113289765B/en active Active
Patent Citations (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU722609A1 (en) * | 1978-09-20 | 1980-04-05 | Всесоюзный Научно-Исследовательский И Проектный Институт Вторичных Цветных Металлов "Вниипвторцветмет" | Pneumatic separator of loose materials |
| JPH0824791A (en) * | 1994-07-14 | 1996-01-30 | Shionogi & Co Ltd | Fluidized bed pneumatic screen |
| WO2000012879A1 (en) * | 1998-09-01 | 2000-03-09 | Gerd Gaiser | Exhaust gas purification device |
| JP2005058895A (en) * | 2003-08-11 | 2005-03-10 | Kyanakku Denshi Kogyo Kk | Permanent magnet-used magnetic sorting machine |
| JP2009202110A (en) * | 2008-02-28 | 2009-09-10 | Mitsubishi Heavy Ind Ltd | Foreign matter removing apparatus and method for removing foreign matter in coal |
| CN201488576U (en) * | 2009-09-08 | 2010-05-26 | 上海明兴开城超音波科技有限公司 | Water vapor condensation processor |
| CN102220490A (en) * | 2011-05-06 | 2011-10-19 | 广西桂柳化工有限责任公司 | Production method of electrolytic manganese dioxide |
| CN102580847A (en) * | 2012-02-24 | 2012-07-18 | 成都利君实业股份有限公司 | Dry-type magnetic separator |
| CN103204552A (en) * | 2013-04-11 | 2013-07-17 | 山西大学 | Iron removing method during process of extracting aluminum from coal gangue |
| CN103572314A (en) * | 2013-11-07 | 2014-02-12 | 广西桂柳化工有限责任公司 | Edulcoration treatment method of electrolytic manganese dioxide semi-finished products |
| CN103572317A (en) * | 2013-11-07 | 2014-02-12 | 广西桂柳化工有限责任公司 | Method for refining electrolytic manganese dioxide product |
| CN103695636A (en) * | 2013-12-24 | 2014-04-02 | 柳州豪祥特科技有限公司 | Preparation method of electrolytic manganese dioxide |
| CN204035164U (en) * | 2014-07-22 | 2014-12-24 | 无锡红旗除尘设备有限公司 | Vortex fume trap cover |
| CN204159448U (en) * | 2014-08-29 | 2015-02-18 | 洛阳市冠奇工贸有限责任公司 | A kind of magnetic separation system for separating of magnetic impurity in spherical graphite |
| CN104209187A (en) * | 2014-09-29 | 2014-12-17 | 合肥乾海洁净煤技术有限公司 | Boiling type magnetic separator |
| CN105921270A (en) * | 2016-05-10 | 2016-09-07 | 中南大学 | Wind belt type magnetic separator |
| CN205925996U (en) * | 2016-05-26 | 2017-02-08 | 齐春林 | Ore powder particle splitter |
| CN106733641A (en) * | 2016-12-14 | 2017-05-31 | 桑文凡 | A kind of grain processing dedusting screening installation |
| CN107583767A (en) * | 2017-09-15 | 2018-01-16 | 河南易成新能源股份有限公司 | Wind magnetic combined-type magnetic seperator |
| CN208710526U (en) * | 2017-10-16 | 2019-04-09 | 浙江汇特动物药业有限公司 | A kind of Tilmicosin fluidized-bed coating machine |
| CN107716099A (en) * | 2017-11-20 | 2018-02-23 | 长沙矿冶研究院有限责任公司 | A kind of gas suspension disperses dry separation belt magnetic separator |
| KR20180051471A (en) * | 2018-05-08 | 2018-05-16 | 노재엽 | Air Circulation Unit |
| CN208098369U (en) * | 2018-05-24 | 2018-11-16 | 长沙矿冶研究院有限责任公司 | A kind of dry-type magnetic extractor |
| CN109351475A (en) * | 2018-08-01 | 2019-02-19 | 江苏钛谷科技有限公司 | A kind of new multistage magnetic separation and the dual ore-dressing plant of selection by winnowing |
| CN208260993U (en) * | 2018-08-29 | 2018-12-21 | 江苏苏林木业有限公司 | A kind of spiral exclusion device for chips |
| CN209465164U (en) * | 2019-01-22 | 2019-10-08 | 贵州超亚纳米基材有限公司 | A kind of silicon powder magnetic separation removal device |
| CN211386255U (en) * | 2019-04-05 | 2020-09-01 | Asd株式会社 | Waste treatment device |
| CN211838464U (en) * | 2019-11-13 | 2020-11-03 | 甘肃酒钢集团西部重工股份有限公司 | Segmentation dry-type magnetic separation device for powdery magnetic materials |
| CN212328602U (en) * | 2020-04-13 | 2021-01-12 | 河南黄河旋风股份有限公司 | Powder magnetic separator |
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