CN223766453U - Purifying and impurity removing system for high-purity electrolytic manganese metal production - Google Patents

Abstract

The utility model discloses a purifying and impurity removing system for high-purity electrolytic manganese metal production, which comprises a transfer barrel, a first filter barrel, a second filter barrel, a third filter barrel, a lower trunk pipe and an upper trunk pipe, wherein the transfer barrel, the first filter barrel, the second filter barrel and the third filter barrel are respectively provided with an upper connecting pipe and a lower connecting pipe, the upper connecting pipes on the transfer barrel, the first filter barrel, the second filter barrel and the third filter barrel are respectively communicated with the upper trunk pipe in parallel, the lower connecting pipes on the transfer barrel, the first filter barrel, the second filter barrel and the third filter barrel are respectively communicated with the lower trunk pipe in parallel, a filter screen and a filter bag are respectively arranged in the first filter barrel, the second filter barrel and the third filter barrel and are used for filtering impurities in a solution, adsorption resin is additionally arranged in the second filter barrel and the third filter barrel, calcium ions, magnesium ions and the like in the solution are filtered by the second filter barrel, and the cobalt ions, nickel ions and the like in the solution are filtered by the third filter barrel are respectively communicated with the upper trunk pipe in parallel, and the lower trunk pipe is respectively communicated with a power pump through the opening and closing of a switching control valve, so that the reverse cleaning of the filter barrel is further guaranteed.

Description

Purifying and impurity removing system for high-purity electrolytic manganese metal production

Technical Field

The utility model relates to the technical field of electrolytic manganese production, in particular to a purifying and impurity removing system for high-purity electrolytic manganese metal production.

Background

The preparation of manganese metal is generally carried out by a wet method and a fire method, and the industrial process is generally carried out by an electrolytic method. The common electrolytic manganese in the market is prepared by the electrolysis of a manganese sulfate-ammonium sulfate system, the impurity content is high, in order to eliminate the negative influence of impurity ions on the current efficiency, additives such as selenium dioxide and the like are required to be added into the electrolyte, and impurities are further introduced, so that the content of the metal manganese is reduced, and the content requirement of the electrolytic metal manganese DJMnA mark Mn is not less than 99.9 percent cannot be met.

Chinese patent literature (publication No.: CN 209397256U) discloses an electrolytic manganese continuous purification device, the bottom both ends of base all are equipped with the hydraulic stem, the upper surface fixedly connected with motor of base, two the output of motor is the one end of fixedly connected with transmission shaft, two the lateral wall of transmission shaft is fixedly connected with runner, every the runner is closely laminated with the outer wall of the jar body from the outer wall, the inner chamber middle part of the jar body is fixed to be equipped with the baffle, the opening has been seted up to the lateral wall of the jar body, and the open-ended inner wall that is located jar body left side fixedly grafting has the one end of connecting pipe, the other end of connecting pipe and the open-ended fixed connection on jar body right side, the middle part of connecting pipe is equipped with the arc mouth, the inner wall slip grafting of arc mouth has filter equipment, and the device can be effectual solution stirs to improve purifying effect, and simple structure, easy operation can effectually improve purifying rate and purifying effect.

In the prior art, the manganese sulfate solution is purified by means of hydrolysis purification and vulcanizing agent precipitation, the purification time is long, the purification effect is poor, and additives such as selenium dioxide and the like are required to be added in the electrolysis process to maintain normal electrolysis, so that the purity of the product cannot meet the content requirement that the Mn content of high-purity manganese is more than or equal to 99.9%.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model provides a purifying and impurity removing system for producing high-purity electrolytic manganese metal. The manganese sulfate solution is prepared and purified according to the conventional process, and the purified manganese sulfate solution is introduced into the device in order to further efficiently remove impurity ions in the solution and meet the solution purification requirement required by the production of high-purity manganese.

The filter screen and the filter bag are arranged in the first filter vat, the second filter vat and the third filter vat and are used for filtering impurities in the solution, the adsorption resin is additionally arranged in the second filter vat and the third filter vat, so that calcium, magnesium and other ions in the solution are filtered out by the second filter vat, heavy metal ions such as cobalt, nickel and the like in the solution are filtered out by the third filter vat, and the reverse cleaning of the filter vat is realized by matching the opening and closing of the switching control valve with the power pump, so that the cleanliness of the filtering environment is further ensured.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A purifying and impurity removing system for high-purity electrolytic manganese metal production comprises a transfer barrel, a first filter barrel, a second filter barrel, a third filter barrel, a lower trunk pipe and an upper trunk pipe, wherein the transfer barrel, the first filter barrel, the second filter barrel and the third filter barrel are respectively provided with an upper connecting pipe and a lower connecting pipe, the upper connecting pipes on the transfer barrel, the first filter barrel, the second filter barrel and the third filter barrel are respectively communicated with the upper trunk pipe in parallel, the lower connecting pipes on the transfer barrel, the first filter barrel, the second filter barrel and the third filter barrel are respectively communicated with the lower trunk pipe in parallel, the top of the transfer barrel is provided with a liquid inlet, one end of the upper trunk pipe is provided with a drain outlet, control valves are respectively arranged between the upper trunk pipe and the lower trunk pipe, the bypass pipe, the upper connecting pipes, the lower connecting pipes, the upper trunk pipe and the lower trunk pipe are respectively arranged on the lower trunk pipe, the power pumps are respectively arranged on the lower trunk pipe and are respectively communicated with the lower trunk pipe, and the positions, which are close to the transfer barrel, and the power pumps are respectively matched with a plurality of control valves to stop the system for cleaning solution in reverse direction.

The upper connecting pipe comprises a first upper connecting pipe, a second upper connecting pipe, a third upper connecting pipe, a transfer barrel upper connecting pipe and a fourth upper connecting pipe, wherein the lower connecting pipe comprises a first lower connecting pipe, a second lower connecting pipe, a third lower connecting pipe and a transfer barrel lower connecting pipe, one end of the first lower connecting pipe is connected with the bottom of the first filter barrel, the other end of the first lower connecting pipe is connected with a lower trunk pipe, one end of the second lower connecting pipe is connected with the bottom of the second filter barrel, the other end of the second lower connecting pipe is connected with a lower trunk pipe, one end of the third lower connecting pipe is connected with the bottom of the third filter barrel, the other end of the third lower connecting pipe is connected with a lower trunk pipe, one end of the transfer barrel lower connecting pipe is connected with the bottom of the transfer barrel, and the other end of the transfer barrel lower connecting pipe is connected with the lower trunk pipe.

As a preferable technical scheme of the invention, the bypass pipe comprises a first bypass pipe, a second bypass pipe and a third bypass pipe, two ends of the first bypass pipe, the second bypass pipe and the third bypass pipe are respectively communicated with the lower trunk pipe and the upper trunk pipe, the first bypass pipe is arranged close to the first filter vat, the second bypass pipe is arranged close to the second filter vat, and the third bypass pipe is arranged close to the third filter vat.

As a preferable technical scheme of the invention, one end of the first upper connecting pipe is connected with the top of the first filter vat, the other end of the first upper connecting pipe is connected with the first bypass pipe, one end of the second upper connecting pipe is connected with the top of the second filter vat, the other end of the second upper connecting pipe is connected with the second bypass pipe, one end of the third upper connecting pipe is connected with the top of the third filter vat, the other end of the third upper connecting pipe is connected with the upper pipeline main pipe, one end of the upper connecting pipe of the transfer vat is connected with the top of the middle transfer vat, the other end of the upper connecting pipe of the transfer vat is connected with the first bypass pipe, one end of the fourth upper connecting pipe is connected with the top of the second filter vat, and the other end of the fourth upper connecting pipe is connected with the third bypass pipe.

As a preferable technical scheme of the invention, at least 2 control valves are arranged on the first bypass pipe, the second bypass pipe and the third bypass pipe, and the 2 control valves are respectively positioned at two sides of the junction of the bypass pipe and the upper connecting pipe.

As a preferable technical scheme of the invention, filter bags and filter screens are arranged in the first filter vat, the second filter vat and the third filter vat.

As a preferable technical scheme of the invention, the second filter vat and the third filter vat are internally provided with adsorption resin.

As the preferable technical scheme of the invention, the top ends of the first filter vat, the second filter vat and the third filter vat are respectively provided with a pressure gauge, and the upper parts of the first filter vat, the second filter vat and the third filter vat are respectively provided with an observation opening.

Compared with the prior art, the utility model has the following beneficial effects:

1. The purification and impurity removal system is characterized in that a first filter vat, a second filter vat and a third filter vat are respectively provided with a filter screen and a filter bag for filtering impurities in a solution, adsorption resin is additionally arranged in the second filter vat and the third filter vat, so that calcium, magnesium and other ions in the solution are filtered out by the second filter vat, and heavy metal ions such as cobalt, nickel and the like in the solution are filtered out by the third filter vat.

2. The system adopts a parallel design, the top and the bottom of each filter vat are respectively connected with an upper trunk pipe and a lower trunk pipe through an upper connecting pipe and a lower connecting pipe to form a complete circulating network, a liquid inlet pipe is arranged at the top of the transfer vat and used for feeding raw material liquid, a liquid outlet is arranged at the end part of the upper trunk pipe and used for discharging purified solution, a drain outlet is arranged at the end part of the lower trunk pipe and used for discharging impurities, a bypass pipe is arranged between the upper trunk pipe and the lower trunk pipe and used for assisting in carrying out reverse cleaning, control valves are arranged on all the pipelines, a power pump is arranged at the position, close to the transfer vat, of the lower trunk pipe, and the power pump is started through different combinations of the control valves to cooperate with the power pump, so that various working modes such as forward purification filtration of solution, reverse cleaning of the filter vat, bypass operation of a single filter vat and the like can be realized, the system operation continuity and high efficiency are ensured, the purification effect of the metal manganese solution is ensured, a convenient equipment maintenance way is provided, and the practicability of the purification and impurity removal system is enhanced.

Drawings

FIG. 1 is a schematic diagram of a purification and impurity removal system of the present utility model;

In the figure, a transfer drum 10, a first filter drum 11, a second filter drum 12, a third filter drum 13, an observation port 14, a filter bag 15, a filter screen 16, a first lower connecting pipe 17, a second lower connecting pipe 18, a third lower connecting pipe 19, a first upper connecting pipe 20, a second upper connecting pipe 21, a third upper connecting pipe 22, a lower main pipe 23, a power pump 24, a transparent pipe 25, a control valve 26, a liquid outlet 27, a transfer drum upper connecting pipe 28, a first bypass pipe 29, a liquid inlet pipe 30, an upper main pipe 31, a second bypass pipe 32, a third bypass pipe 33, a pressure gauge 34, a transfer drum lower connecting pipe 35 and a fourth upper connecting pipe 36 are shown.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.

What is not described in detail in this specification is prior art known to those skilled in the art. In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or refer to the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The purifying and impurity removing system for high-purity electrolytic manganese metal production comprises a transfer barrel 10, a first filter barrel 11, a second filter barrel 12, a third filter barrel 13, a lower trunk pipe 23 and an upper trunk pipe 31, wherein the transfer barrel 10, the first filter barrel 11, the second filter barrel 12 and the third filter barrel 13 are respectively provided with an upper connecting pipe and a lower connecting pipe, the upper connecting pipes on the transfer barrel 10, the first filter barrel 11, the second filter barrel 12 and the third filter barrel 13 are respectively connected with the upper trunk pipe 31 in parallel, the lower connecting pipes on the transfer barrel 10, the first filter barrel 11, the second filter barrel 12 and the third filter barrel 13 are respectively connected with the lower trunk pipe 23 in parallel, the top of the transfer barrel 10 is provided with a liquid inlet pipe 30, one end of the upper trunk pipe 31 is provided with a drain outlet 27, the end of the lower trunk pipe 23 is provided with a drain outlet, a bypass pipe is connected between the upper trunk pipe 31 and the lower trunk pipe 23, the bypass pipe, the upper trunk pipe, the lower trunk pipe, the upper trunk pipe and the lower trunk pipe 23 are respectively connected with a power pump 24 in parallel, and the power supply of the reverse-flow type electric water purifier is respectively connected with the upper trunk pipe 23, the power pump 24 is respectively, and the power supply of the reverse-flow water purifier is controlled by the reverse flow pump 24.

The purification and impurity removal system is characterized in that a filter screen 15 and a filter bag 16 are arranged in a first filter vat 11, a second filter vat 12 and a third filter vat 13, are used for filtering impurities in a solution, and adsorption resin is additionally arranged in the second filter vat 12 and the third filter vat 13, so that calcium and magnesium plasma in the solution is filtered out by the second filter vat 12, and heavy metal ions such as cobalt and nickel in the solution are filtered out by the third filter vat 13.

The system adopts a parallel design, the top and the bottom of each filter vat are respectively connected with an upper trunk pipe 31 and a lower trunk pipe 23 through an upper connecting pipe and a lower connecting pipe to form a complete circulation network, a liquid inlet pipe 30 is arranged at the top of the transfer vat 10 and used for feeding raw material liquid, a liquid outlet 27 is arranged at the end part of the upper trunk pipe 31 and used for discharging purified solution, and a drain outlet is arranged at the end part of the lower trunk pipe 23 and used for discharging impurities. The system sets up the bypass pipe between upper trunk 31 and the lower trunk 23, and the bypass pipe is used for assisting carrying out reverse washing to all pipelines are all installed control valve 26, and the power pump 24 is installed in the department that lower trunk 23 is close to transfer bucket 10, opens the cooperation with power pump 24 through the different combinations of control valve 26, can realize that the forward of solution purifies the multiple mode such as filters, the reverse washing of filter vat and bypass operation of single filter vat, ensures the continuity and the high efficiency of system operation. The system not only ensures the purifying effect of the manganese metal solution, but also provides a convenient equipment maintenance way and enhances the practicability of the purifying and impurity removing system.

Further, the upper connecting pipes comprise a first upper connecting pipe 20, a second upper connecting pipe 21, a third upper connecting pipe 22 and a transfer barrel upper connecting pipe 28, the lower connecting pipes comprise a first lower connecting pipe 17, a second lower connecting pipe 18, a third lower connecting pipe 19, a transfer barrel lower connecting pipe 35 and a fourth upper connecting pipe 36, one end of the first lower connecting pipe 17 is connected with the bottom of the first filter barrel 11, the other end of the first lower connecting pipe 17 is connected with a lower trunk pipe 23, one end of the second lower connecting pipe 18 is connected with the bottom of the second filter barrel 12, the other end of the second lower connecting pipe 18 is connected with a lower trunk pipe 23, one end of the third lower connecting pipe 19 is connected with the bottom of the third filter barrel 13, the other end of the third lower connecting pipe 19 is connected with the lower trunk pipe 23, one end of the transfer barrel lower connecting pipe 35 is connected with the bottom of the transfer barrel 10, and the other end of the transfer barrel lower connecting pipe 35 is connected with the lower trunk pipe 23.

Wherein, the end of the down trunk 23 near the transfer barrel 10 is a drain outlet, a control valve is arranged at the drain outlet, and when cleaning is needed, the control valve is opened to discharge the dirt in the system from the drain outlet.

A liquid inlet pipe 30 is arranged at the top of the transfer barrel 10, and clear water or acid-base solution or solution to be purified can be injected into the liquid inlet pipe 30;

When the target solution enters the first filter vat 11, a control valve on a lower connecting pipe 35 and a first lower connecting pipe 17 of the transfer vat is opened, a control valve on a lower trunk pipe 23 connected between the lower connecting pipe 35 and the first lower connecting pipe 17 of the transfer vat is opened, and a power pump 24 is opened, so that the target solution in the transfer vat 10 enters the first filter vat 11 after passing through the lower connecting pipe 35 of the transfer vat, the lower trunk pipe 23 and the first lower connecting pipe 17, enters the first filter vat 11 from the bottom of the first filter vat 11, flows out of the first upper connecting pipe 20 at the top of the first filter vat 11 after passing through a filter screen 16 and a filter bag 15, and the outflow solution can flow into the interior of the transfer vat 10 through the upper connecting pipe 28 of the transfer vat after passing through the upper trunk pipe 31 and can also be directly discharged through a liquid outlet 27 for use.

And in the second purification, when the target solution which enters the transfer barrel 10 after being filtered by the first filter barrel 11 is purified and decontaminated, a control valve on a transfer barrel lower connecting pipe 35 and a second lower connecting pipe 18 is opened, a control valve on a lower trunk pipe 23 which is positioned between the transfer barrel lower connecting pipe 35 and the second lower connecting pipe 18 is opened, and a power pump 24 is opened, so that the target solution in the transfer barrel 10 enters the second filter barrel 12 after passing through the transfer barrel lower connecting pipe 35, the lower trunk pipe 23 and the second lower connecting pipe 18, enters the second filter barrel 12 from the bottom of the second filter barrel 12, passes through a filter screen 16, a filter bag 15 and adsorption resin, flows out from a second upper connecting pipe 21 at the top of the second filter barrel 12, and after passing through an upper trunk pipe 31, the flowing into the transfer barrel 10 through an upper connecting pipe 28 of the transfer barrel or can be directly discharged through a liquid outlet 27 for use.

And in the third purification, when the target solution which enters the transfer barrel 10 after being filtered by the second filter barrel 12 is purified and decontaminated, a control valve on a transfer barrel lower connecting pipe 35 and a third lower connecting pipe 19 is opened, a control valve on a lower trunk pipe 23 which is connected between the transfer barrel lower connecting pipe 35 and the third lower connecting pipe 19 is opened, and a power pump 24 is opened, so that the target solution in the transfer barrel 10 enters the third filter barrel 13 after passing through the transfer barrel lower connecting pipe 35, the lower trunk pipe 23 and the third lower connecting pipe 19, enters from the bottom of the third filter barrel 13, passes through a filter screen 16, a filter bag 15 and adsorption resin, and then flows out from a third upper connecting pipe 22 at the top of the third filter barrel 13, and after passing through an upper trunk pipe 31, the outflow solution can flow into the transfer barrel 10 through an upper connecting pipe 28 for decontamination again, and can also be directly discharged through a liquid outlet 27 for use.

It should be noted that, the action of the transfer barrel 10 temporarily stores the primary solution, relieves the difference in processing speed between the previous and subsequent processes, and the solution is uniformly mixed, so that the sampling and monitoring are convenient, and the pollution of external impurities to the grease is reduced. The first filter barrel 11 is internally provided with a nylon filter bag 300 meshes, the pore diameter of the filter bag is 5mm, and the granularity or nonmetallic impurities are removed. The first filter vat 12 is internally provided with a nylon filter bag 300 meshes, the pore diameter of the filter bag is 5mm, and the filter bag is filled with 2/3 of the height of the filter screenCH-93 adsorption resin for removing Ca and Mg impurities. The first filter barrel 13 is internally provided with a nylon filter bag 300 meshes, the pore diameter of the filter bag is 5mm, and the filter bag is filled with 2/3 of the height of the filter screenCH-90 adsorption resin for removing nickel and cobalt impurities.

The adsorption resin of the second filter vat 12 or the second filter vat 13 is activated and regenerated, and is washed in countercurrent with 4BV/H, firstly in countercurrent with 5% sulfuric acid solution for 40 minutes, secondly in countercurrent with clean water for 30 minutes, thirdly in countercurrent with 5% sodium hydroxide solution for 30 minutes, and finally in countercurrent with clean water for 30 minutes, and the regeneration and activation are completed.

Still further, the bypass pipe includes a first bypass pipe 29, a second bypass pipe 32 and a third bypass pipe 33, two ends of the first bypass pipe 29, the second bypass pipe 32 and the third bypass pipe 33 are respectively communicated with the lower trunk pipe 23 and the upper trunk pipe 31, the first bypass pipe 29 is disposed adjacent to the first filter vat 11, the second bypass pipe 32 is disposed adjacent to the second filter vat 12, and the third bypass pipe 33 is disposed adjacent to the third filter vat 13.

After the target solution is purified by the filter screen 16, the filter bag 15, the adsorption resin and other filter media in the filter vat, the target solution can be conveyed to the upper trunk pipe 31 from the top of the filter vat through the corresponding upper connecting pipe, and then flows back to the transfer vat 10 through the upper connecting pipe 28 of the transfer vat according to actual needs for further purification, or is directly discharged from the liquid outlet 27 for use. The parallel connection structure ensures the stability and reliability of the system operation, realizes the multi-stage circulation purification function of the solution, and can flexibly control the flow direction and the treatment procedure of the solution through the coordination adjustment of the control valve 26, thereby greatly improving the operation flexibility and the purification efficiency of the system and providing powerful guarantee for obtaining the high-purity metal manganese solution.

Each connecting pipe is provided with an independent control valve 26, so that an operator can flexibly control the opening or closing state of each pipeline according to actual needs, and the directional flow of the solution in the system is realized. The control mode can select different filtering paths according to different process requirements, and can cut off specific pipelines at any time when the system is abnormal or needs to be maintained, so that the system is convenient to maintain and clean. Meanwhile, through the combined operation of the control valve 26, various working modes such as forward filtration, reverse cleaning and the like can be realized, the flexibility and reliability of system operation are greatly improved, and powerful technical guarantee is provided for efficient purification of the manganese metal solution.

Still further, one end of the first upper connecting pipe 20 is connected to the top of the first filter vat 11, the other end of the first upper connecting pipe 20 is connected to the first bypass pipe 29, one end of the second upper connecting pipe 21 is connected to the top of the second filter vat 12, the other end of the second upper connecting pipe 21 is connected to the second bypass pipe 32, one end of the third upper connecting pipe 22 is connected to the top of the third filter vat 13, the other end of the third upper connecting pipe 22 is connected to the upper dry pipe 31, one end of the middle connecting pipe 28 is connected to the top of the middle connecting vat 10, the other end of the middle connecting pipe 28 is connected to the first bypass pipe 29, one end of the fourth upper connecting pipe 36 is connected to the top of the second filter vat 12, and the other end of the fourth upper connecting pipe 36 is connected to the third bypass pipe 33. A transparent tube 25 is provided on the first upper adapter 20 adjacent to the first filter vat 11, the transparent tube 25 facilitating the observation of the internal liquid.

When the first filter vat 11 is reversely cleaned, acid-alkali liquid or clear water is injected into the interior of the intermediate vat 10 through the liquid inlet pipe 30, the control valves on the lower connecting pipe 35, the first upper connecting pipe 20, the first lower connecting pipe 17 and the first bypass pipe 29 of the intermediate vat are opened, the control valves on the lower trunk pipe 23 except for the control valve (the control valve positioned between the first lower connecting pipe 17 and the first bypass pipe 29 on the lower trunk pipe 23 and the control valve of the drain outlet close to one end of the intermediate vat 10) on the lower trunk pipe 23 are opened, the power pump 24 is opened, acid-alkali liquid or clear water in the interior of the intermediate vat 10 is injected into the top of the first filter vat 11, the acid-alkali liquid or clear water flows from the top to the bottom of the first filter vat 11, the filter bag 15, the filter screen 16, the inner wall and other parts are cleaned, and the cleaned waste liquid is discharged through the first lower connecting pipe 17 and the lower trunk pipe 23;

When the second filter vat 12 is reversely cleaned, acid-alkali liquor or clear water is injected into the interior of the intermediate vat 10 through the liquid inlet pipe 30, the control valves on the lower connecting pipe 35, the second upper connecting pipe 21, the second lower connecting pipe 18 and the second bypass pipe 32 of the intermediate vat are opened, the control valves on the lower trunk pipe 23 except for the control valve (the control valve on the lower trunk pipe 23, which is positioned between the second lower connecting pipe 18 and the second bypass pipe 32 and is positioned on the drain pipe 23 and is close to the drain outlet at one end of the intermediate vat 10) are opened, the power pump 24 is opened, acid-alkali liquor or clear water in the interior of the intermediate vat 10 is injected into the top of the second filter vat 12, the acid-alkali liquor or clear water flows from the top to the bottom of the second filter vat 12, the filter bag 15, the filter screen 16, the adsorption resin, the inner wall and other components are cleaned, and the cleaned waste liquor is discharged through the second lower connecting pipe 18 and the lower trunk pipe 23;

when the third filter vat 13 is reversely cleaned, acid-alkali liquid or clear water is injected into the middle filter vat 10 through the liquid inlet pipe 30, the control valves on the lower connecting pipe 35, the third upper connecting pipe 22, the third lower connecting pipe 19 and the third bypass pipe 33 of the middle filter vat are opened, the control valves on the lower trunk pipe 23 except for the control valve (the control valve on the lower trunk pipe 23, which is positioned between the third lower connecting pipe 19 and the third bypass pipe 33 and is positioned on the drain pipe 23 and is close to the drain outlet at one end of the middle filter vat 10) are opened, the power pump 24 is opened, acid-alkali liquid or clear water in the middle filter vat 10 is injected into the top of the third filter vat 13, the acid-alkali liquid or clear water flows from the top to the bottom of the third filter vat 13, the filter bag 15, the filter screen 16, the adsorption resin, the inner wall and other parts such as the filter bag 15, the adsorption resin and the like are cleaned, and the cleaned waste liquid is discharged through the third lower connecting pipe 19 and the lower trunk pipe 23.

Further, filter bags 15 and filter screens 16 are arranged inside the first filter vat 11, the second filter vat 12 and the third filter vat 13.

The filter bag 15 and the filter screen 16 are arranged to form a double filter structure, wherein the filter screen 16 is used as a basic supporting layer and has a primary filtering function, so that larger particle impurities can be intercepted, and the filter bag 15 is used as a fine filter layer, so that finer impurity particles can be further intercepted. The double-layer filtering structure design not only improves the filtering reliability and efficiency, but also reduces the load of a single filtering layer in a grading filtering mode, and effectively prolongs the service life of the filtering medium.

Further, the second filter vat 12 and the third filter vat 13 are provided with adsorption resin inside.

The adsorption resin in the filter barrel, the filter bag 15 and the filter screen 16 form multistage filtration together, wherein the adsorption resin in the second filter barrel 12 is specially used for filtering calcium and magnesium plasma in the solution, the adsorption resin in the third filter barrel 13 is mainly used for filtering cobalt, nickel and other heavy metal ions in the solution, and the design realizes the deep purification of specific ions on the basis of basic filtration through the selective adsorption effect of the adsorption resin, thereby improving the purity of the metal manganese solution. The triple filtration of the filter screen 16, the filter bag 15 and the adsorption resin forms a complete purification system from coarse filtration to fine filtration and common filtration to ion level, and provides reliable guarantee for obtaining high-purity manganese metal solution.

Further, pressure gauges 34 are arranged at the top ends of the first filter vat 11, the second filter vat 12 and the third filter vat 13, and observation ports 14 are arranged at the upper parts of the first filter vat 11, the second filter vat 12 and the third filter vat 13.

The pressure gauge 34 can monitor the pressure change in each filter vat in real time, when the pressure value is increased, the filter screen 16, the filter bag 15 or the filter media such as the adsorption resin can be blocked, and the back flushing or replacement is required in time, and when the pressure is abnormal, the system operation fault can be found in time, so that the safe operation of the equipment is ensured. The arrangement of the observation port 14 is convenient for operators to observe the liquid level height, the solution state and the filtering effect in each filter vat at any time, so that the problems can be found out in time and the problems can be treated.

The technical idea of the present utility model is described by the above embodiments, but the present utility model is not limited to the above embodiments, that is, it does not mean that the present utility model must be implemented depending on the above embodiments. It will be apparent to those skilled in the art that the related modifications of the present utility model are within the scope of the utility model and the disclosure.

Claims (8)

1. The purifying and impurity removing system for the high-purity electrolytic manganese metal production comprises a transfer barrel (10), a first filter barrel (11), a second filter barrel (12), a third filter barrel (13), a lower trunk pipe (23) and an upper trunk pipe (31), wherein the transfer barrel (10), the first filter barrel (11), the second filter barrel (12) and the third filter barrel (13) are respectively provided with an upper connecting pipe and a lower connecting pipe, and the purifying and impurity removing system is characterized in that the upper connecting pipes on the transfer barrel (10), the first filter barrel (11), the second filter barrel (12) and the third filter barrel (13) are respectively communicated with the upper trunk pipe (31) in parallel, the lower connecting pipes on the transfer barrel (10), the first filter barrel (11), the second filter barrel (12) and the third filter barrel (13) are respectively communicated with the lower trunk pipe (23) in parallel, the top of the transfer barrel (10) is provided with a liquid inlet pipe (30), one end of the upper trunk pipe (31) is provided with a liquid outlet (27), and the end part of the lower trunk pipe (23) is provided with a drain outlet;

A bypass pipe is connected between the upper trunk pipe (31) and the lower trunk pipe (23), control valves (26) are arranged on the bypass pipe, the upper connection pipe, the lower connection pipe, the upper trunk pipe (31) and the lower trunk pipe (23), a power pump (24) is arranged on the lower trunk pipe (23) close to the transfer barrel (10), and the solution in the system is purified and decontaminated or the filter barrel is reversely cleaned by matching the start-stop switching of the control valves with the power pump (24).

2. The purifying and impurity removing system for high-purity electrolytic manganese metal production according to claim 1, wherein the upper connecting pipes comprise a first upper connecting pipe (20), a second upper connecting pipe (21), a third upper connecting pipe (22), a middle barrel upper connecting pipe (28) and a fourth upper connecting pipe (36), the lower connecting pipe comprises a first lower connecting pipe (17), a second lower connecting pipe (18), a third lower connecting pipe (19) and a middle barrel lower connecting pipe (35), one end of the first lower connecting pipe (17) is connected with the bottom of the first filter barrel (11), the other end of the first lower connecting pipe (17) is connected with a lower main pipe (23), one end of the second lower connecting pipe (18) is connected with the bottom of the second filter barrel (12), the other end of the second lower connecting pipe (18) is connected with a lower main pipe (23), one end of the third lower connecting pipe (19) is connected with the bottom of the third filter barrel (13), the other end of the third lower connecting pipe (19) is connected with a lower main pipe (23), one end of the middle barrel lower connecting pipe (35) is connected with the bottom of the middle barrel (10), and the other end of the middle barrel (35) is connected with the lower main pipe (23).

3. The purification and impurity removal system for high-purity electrolytic manganese metal production according to claim 2, wherein the bypass pipe comprises a first bypass pipe (29), a second bypass pipe (32) and a third bypass pipe (33), two ends of the first bypass pipe (29), the second bypass pipe (32) and the third bypass pipe (33) are respectively communicated with the lower trunk pipe (23) and the upper trunk pipe (31), the first bypass pipe (29) is arranged close to the first filter vat (11), the second bypass pipe (32) is arranged close to the second filter vat (12), and the third bypass pipe (33) is arranged close to the third filter vat (13).

4. A purification and impurity removal system for high-purity electrolytic manganese metal production according to claim 3, wherein one end of the first upper connecting pipe (20) is connected to the top of the first filter vat (11), the other end of the first upper connecting pipe (20) is connected to the first bypass pipe (29), one end of the second upper connecting pipe (21) is connected to the top of the second filter vat (12), the other end of the second upper connecting pipe (21) is connected to the second bypass pipe (32), one end of the third upper connecting pipe (22) is connected to the top of the third filter vat (13), the other end of the third upper connecting pipe (22) is connected to the upper dry pipe (31), one end of the upper connecting pipe (28) of the transfer vat is connected to the top of the transfer vat (10), the other end of the upper connecting pipe (28) of the transfer vat is connected to the first bypass pipe (29), one end of the fourth upper connecting pipe (36) is connected to the top of the second filter vat (12), and the other end of the fourth upper connecting pipe (36) is connected to the third bypass pipe (33).

5. The purification and impurity removal system for high-purity electrolytic manganese metal production according to claim 4, wherein at least 2 control valves are arranged on the first bypass pipe (29), the second bypass pipe (32) and the third bypass pipe (33), and the 2 control valves are respectively positioned on two sides of the intersection of the bypass pipe and the upper connecting pipe.

6. The purification and impurity removal system for high-purity electrolytic manganese metal production according to claim 1, wherein filter bags (15) and filter screens (16) are arranged inside the first filter vat (11), the second filter vat (12) and the third filter vat (13).

7. The purification and impurity removal system for high-purity electrolytic manganese metal production according to claim 6, wherein the second filter vat (12) and the third filter vat (13) are each internally provided with an adsorption resin.

8. The purification and impurity removal system for high-purity electrolytic manganese metal production according to any one of claims 1 to 7, wherein pressure gauges (34) are arranged at the top ends of the first filter vat (11), the second filter vat (12) and the third filter vat (13), and observation ports (14) are arranged at the upper parts of the first filter vat (11), the second filter vat (12) and the third filter vat (13).