CN211521889U

CN211521889U - Filter liquid purifying tank for producing metal manganese by electrolytic method

Info

Publication number: CN211521889U
Application number: CN201922069499.2U
Authority: CN
Inventors: 梅泽锋; 宋建伟; 章汉云
Original assignee: Yunnan Jiangnan Manganese Industry Co ltd
Current assignee: Yunnan Jiangnan Manganese Industry Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-18
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a purify groove technical field, specifically be a filtrating purification tank that electrolytic process production metal manganese used, including purifying the groove main part, be equipped with first purifying tank in purifying the groove main part, second purifying tank and third purifying tank, the top of first purifying tank is equipped with first apron, the surperficial center department of first apron is provided with agitator motor, agitator motor's output shaft passes first apron and coaxial coupling has the axis of rotation, the axis of rotation outside is equipped with screw stirring spare, the position that first apron is close to the lower left corner is equipped with the air pump, the air outlet of air pump is provided with the aeration pipe, the left side of first purifying tank is equipped with the feed liquor pipe with external intercommunication. This filtrating that electrolytic process production metal manganese used purifies the groove, adds sulphuric acid and iron fillings in the first purifying tank, tentatively purifies the filtrating, adds lime cream in the second purifying tank, carries out the secondary to the filtrating and purifies, adds active carbon in the third purifying tank, purifies at last filtrating to make the filtrating after purifying reach the emission requirement.

Description

Filter liquid purifying tank for producing metal manganese by electrolytic method

Technical Field

The utility model relates to a purify groove technical field, specifically be a filtrating purification tank that electrolytic process production metal manganese used.

Background

In view of the fact that hydrometallurgical processes are mostly adopted for producing the metal manganese, namely electrolytic manganese manufacturing, hexavalent chromium, total manganese, total chromium and other substances can be generated in the electrolytic manganese process, the substances can be discharged along with filtrate and waste water, and the environment can be seriously influenced if the substances are directly discharged without purification treatment, a filtrate purification tank for producing the metal manganese by an electrolytic method is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filtrating that electrolytic process production metal manganese used purifies groove to solve the harmful substance who proposes the electrolytic manganese production among the above-mentioned background art and not purify the problem that can seriously pollute the environment.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a filtrating purification tank that electrolytic process production metal manganese used, includes purifying the groove main part, be equipped with first purifying tank, second purifying tank and third purifying tank from a left side to the right side in proper order in purifying the groove main part, the top of first purifying tank is equipped with first apron, the surperficial center department of first apron is provided with agitator motor, agitator motor's output shaft passes first apron and coaxial coupling have the axis of rotation, the circumference outer wall of axis of rotation is equipped with two the same screw stirring pieces, the surface of first apron and the position that is close to the upper left corner are equipped with throws the pipe, the bottom of throwing the pipe is located the position that is close to first purifying tank top, the surface of first apron and the position that is close to the lower left corner are equipped with the air pump, the air outlet of air pump is provided with the aeration pipe, the tip of aeration pipe passes first apron and extend to the well lower part of first purifying tank, the left side of first purifying tank and the position that is close to the top are equipped with the feed liquor pipe with external intercommunication, the top of second purifying tank is equipped with the second apron, the surface of second apron and the position that is close to the upper left corner also are equipped with throw the pipe, the left side of second purifying tank and the position that is close to the top be equipped with the first L venturi tube of first purifying tank intercommunication, the top of third purifying tank is equipped with the third apron, the surface of third apron and the position that is close to the upper left corner also are equipped with throw the pipe, the left side of third purifying tank and the position that is close to the top be equipped with the second L venturi tube of second purifying tank intercommunication, the right side of third purifying tank and the position that is close to the top are equipped with the drain pipe with external intercommunication.

Preferably, the bottom end of the liquid inlet pipe is positioned at a position close to the bottom of the first purifying tank.

Preferably, the first L-shaped pipe and the second L-shaped pipe are the same, the bottom end of the first L-shaped pipe is located at a position close to the bottom of the second purification tank, and the bottom end of the second L-shaped pipe is located at a position close to the bottom of the third purification tank.

Preferably, the bottom end of the aeration pipe is located near the bottom of the first purification tank, and the bottom end of the rotating shaft is located at the middle lower part of the first purification tank.

Preferably, a first filter screen is arranged on the right side of the inner wall of the first purification tank and at the position where the first L-shaped pipe is connected.

Preferably, a second filter screen is arranged on the right side of the inner wall of the second purifying tank and at the position where the second L-shaped pipe is connected.

Preferably, a third filter screen is arranged on the right side of the inner wall of the third purifying tank and at the position where the third purifying tank is connected with the liquid outlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

this filtrating that electrolytic process production metal manganese used purifies the groove, adds sulphuric acid and iron fillings in the first purifying tank, tentatively purifies the filtrating, adds lime cream in the second purifying tank, carries out the secondary to the filtrating and purifies, adds active carbon in the third purifying tank, purifies at last filtrating to make the filtrating after purifying reach the emission requirement.

Drawings

Fig. 1 is a schematic view of an overall first viewing angle structure of the present invention;

fig. 2 is a schematic view of an overall second viewing angle structure of the present invention;

FIG. 3 is a schematic view of a cross-section of a main body of a purification tank according to the present invention at a first viewing angle;

fig. 4 is a schematic view of a second viewing angle of a section of a main body of a purification tank of the present invention.

In the figure: the purification tank comprises a purification tank body 1, a first purification tank 1a, a second purification tank 1b, a third purification tank 1c, a first cover plate 2, a second cover plate 3, a third cover plate 4, a stirring motor 5, a rotating shaft 50, a propeller stirring piece 51, an air pump 6, an aeration pipe 60, a feeding pipe 7, a first filter screen 8, a second filter screen 9, a third filter screen 10, a first L-shaped pipe 11, a second L-shaped pipe 12, a liquid inlet pipe 13 and a liquid outlet pipe 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

a filtrate purification tank for producing metal manganese by an electrolytic method comprises a purification tank body 1, wherein a first purification tank 1a, a second purification tank 1b and a third purification tank 1c are sequentially arranged in the purification tank body 1 from left to right, a first cover plate 2 is arranged at the top of the first purification tank 1a, a stirring motor 5 is arranged at the center of the surface of the first cover plate 2, an output shaft of the stirring motor 5 penetrates through the first cover plate 2 and is coaxially connected with a rotating shaft 50, two identical propeller stirring pieces 51 are arranged on the outer wall of the circumference of the rotating shaft 50, the rotating shaft 50 is driven by the stirring motor 5, so that the propeller stirring pieces 51 are driven to rotate, filtrate in the first purification tank 1a can be fully mixed with sulfuric acid and scrap iron to react, the primary purification efficiency is improved, a feeding pipe 7 is arranged on the surface of the first cover plate 2 and at a position close to the upper left corner, the bottom of the feeding pipe 7 is positioned at a position close to the top of the first purification tank, sulfuric acid and scrap iron are poured into the first purification tank 1a through a feeding pipe 7, an air pump 6 is arranged on the surface of the first cover plate 2 and at a position close to the lower left corner, an aeration pipe 60 is arranged at an air outlet of the air pump 6, the end part of the aeration pipe 60 penetrates through the first cover plate 2 and extends to the middle lower part of the first purification tank 1a, air is conveyed into filtrate through the air pump 6 and the aeration pipe 60, part of ammonia nitrogen can escape along with the air after aeration, a liquid inlet pipe 13 communicated with the outside is arranged at a position close to the top and on the left side of the first purification tank 1a, the filtrate after manganese electrolysis is conveyed into the first purification tank 1a through the liquid inlet pipe 13, a second cover plate 3 is arranged at the top of the second purification tank 1b, a feeding pipe 7 is also arranged at a position close to the upper left corner and on the surface of the second cover plate 3, lime milk is added into the second purification tank 1b through the feeding pipe 7, a first L-shaped pipe 11 communicated with the first purification tank 1a is arranged at a position close to the top and on the left side, carry the second purification tank 1b through the filtrating after first L venturi tube 11 will first purification tank 1a is tentatively purified in, the top of third purification tank 1c is equipped with third apron 4, the surface of third apron 4 and the position that is close to the upper left corner also are equipped with throws tub 7, add active carbon into third purification tank 1c through throwing tub 7, the left side of third purification tank 1c and the position that is close to the top are equipped with the second L venturi tube 12 with second purification tank 1b intercommunication, carry the filtrating after the secondary purification in the third purification tank 1 through second L venturi tube 12, the right side of third purification tank 1c and the position that is close to the top are equipped with drain pipe 14 with external intercommunication, the filtrating after the final purification discharges away through drain pipe 14.

In this embodiment, the bottom of feed liquor pipe 13 is located the position that is close to first purifying pond 1a bottom, makes the filtrating get into from first purifying pond 1a bottom, lets filtrating and sulphuric acid and iron fillings intensive mixing, avoids the filtrating backward flow that just got into or directly enters into in the second purifying pond 1 b.

Specifically, the first L-shaped pipe 11 and the second L-shaped pipe 12 are the same, the bottom end of the first L-shaped pipe 11 is located at a position close to the bottom of the second purification tank 1b, the bottom end of the second L-shaped pipe 12 is located at a position close to the bottom of the third purification tank 1c, and both the first L-shaped pipe 11 and the second L-shaped pipe 12 play a role in preventing backflow, so that filtrate in the second purification tank 1b and the third purification tank 1c can be sufficiently purified.

Further, the bottom end of the aeration pipe 60 is located at a position close to the bottom of the first purification tank 1a, and the bottom end of the rotating shaft 50 is located at the middle lower part of the first purification tank 1a, so that air can be input from the bottom of the mixed liquid, and part of ammonia nitrogen can be effectively taken out of the air.

Further, the right side of first purifying pond 1a inner wall and the position that is located and 11 junctions of first L venturi tube are equipped with first filter screen 8, can prevent through first filter screen 8 that iron fillings from entering into in the second purifying pond 1 b.

Further, a second filter screen 9 is arranged on the right side of the inner wall of the second purifying tank 1b and at the position of the joint with the second L-shaped pipe 12, because lime milk is added to the second purifying tank 1b, total manganese and trivalent chromium in the wastewater are converted into hydroxide precipitates of divalent manganese and trivalent chromium in a lime alkaline environment, and the precipitates can be prevented from entering the third purifying tank 1c through the second filter screen 9.

In addition, the right side of third purifying tank 1c inner wall and the position that is located the junction with drain pipe 14 are equipped with third filter screen 10, and the supernatant in second purifying tank 1b enters into third purifying tank 1c back from second L venturi tube 12, is adsorbed by the active carbon in third purifying tank 1c, can prevent through third filter screen 10 that active carbon from drain pipe 14 from discharging.

It should be noted that, the utility model provides a first L venturi tube 11, second L venturi tube 12, feed liquor pipe 13, drain pipe 14, aeration pipe 60, axis of rotation 50 and screw stirring piece 51 all adopt the polytetrafluoroethylene material to make, and polytetrafluoroethylene has good chemical stability, corrosion resistance, electrical insulation nature, high temperature resistance and good ageing resistance, satisfies sulphuric acid corrosion prevention and high temperature resistance material requirement.

It is worth supplementing that the air pump 6 related in the utility model adopts the air pump with model YX-41D-1 produced by Shanghai full wind industry Co., Ltd, the stirring motor 5 adopts the motor with model HF-MP13 produced by Shenzhen Shanchuan society Automation equipment Co., Ltd, and the matched driving power supply is provided by each manufacturer; furthermore, the present invention relates to the air pump and the motor as the prior art, and can be implemented by those skilled in the art without extra description, and the protection of the present invention does not relate to the improvement of the structure and the working principle of the air pump and the motor.

When the filtrate purification tank for producing manganese metal by the electrolysis method is used, a user firstly pours sulfuric acid and scrap iron into the first purification tank 1a from the feeding pipe 7 of the first cover plate 2, pours lime milk into the second purification tank 1b from the feeding pipe 7 of the second cover plate 3, pours activated carbon into the third purification tank 1c from the feeding pipe 7 of the third cover plate 4, connects the stirring motor 5 and the air pump 6 with an external power supply to work, then connects the filtrate discharge pipe of electrolytic manganese with the liquid inlet pipe 13 to make the filtrate enter the first purification tank 1a from the liquid inlet pipe 13, at the moment, the stirring motor 5 drives the rotating shaft 50 and the propeller stirring piece 51 to rotate, so that the sulfuric acid, the scrap iron and the hexavalent chromium in the filtrate are fully mixed, and are subjected to micro-electrolysis reaction to be reduced into trivalent chromium, the air is input into the mixed solution from the aeration pipe 60 by the air pump 6, part of ammonia nitrogen escapes along with air, filtrate purified by the first purification tank 1a enters the second purification tank 1b, scrap iron can be prevented from entering the second purification tank 1b due to the action of the first filter screen 8, the filtrate reduced into trivalent chromium enters the second purification tank 1b, total manganese and trivalent chromium in the filtrate are converted into hydroxide precipitates of divalent manganese and trivalent chromium under the lime alkaline environment, clear liquid on the upper layer of the filtrate in the second purification tank 1b can enter the third purification tank 1c from the second L-shaped pipe 12 due to the action of the second filter screen 9, the clear liquid is subjected to advanced treatment through activated carbon adsorption to reach the discharge standard, and finally the purified clear liquid enters the liquid outlet pipe 14 through the third filter screen 10 and is discharged from the liquid outlet pipe 14.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a filtrating that electrolytic process production manganese metal was used purifies groove, includes purifying groove main part (1), its characterized in that: the purifying tank is characterized in that a first purifying tank (1a), a second purifying tank (1b) and a third purifying tank (1c) are sequentially arranged in the purifying tank body (1) from left to right, a first cover plate (2) is arranged at the top of the first purifying tank (1a), a stirring motor (5) is arranged at the center of the surface of the first cover plate (2), an output shaft of the stirring motor (5) penetrates through the first cover plate (2) and is coaxially connected with a rotating shaft (50), two identical propeller stirring pieces (51) are arranged on the outer wall of the circumference of the rotating shaft (50), a throwing pipe (7) is arranged on the surface of the first cover plate (2) and close to the upper left corner, the bottom of the throwing pipe (7) is located close to the top of the first purifying tank (1a), an air pump (6) is arranged on the surface of the first cover plate (2) and close to the lower left corner, an air outlet of the air pump (6) is provided with an aeration pipe (60), the end part of the aeration pipe (60) penetrates through the first cover plate (2) and extends to the middle lower part of the first purification tank (1a), a liquid inlet pipe (13) communicated with the outside is arranged at the position, close to the top, of the left side of the first purification tank (1a), a second cover plate (3) is arranged at the top of the second purification tank (1b), a first L-shaped pipe (11) communicated with the first purification tank (1a) is also arranged at the position, close to the top left corner, of the surface of the second cover plate (3), a third cover plate (4) is arranged at the top of the third purification tank (1c), and a liquid inlet pipe (7) is also arranged at the position, close to the top left corner, of the surface of the third cover plate (4), the left side of third purifying tank (1c) and the position that is close to the top be equipped with second L venturi tube (12) of second purifying tank (1b) intercommunication, the right side of third purifying tank (1c) and the position that is close to the top are equipped with drain pipe (14) with external intercommunication.

2. The tank for purifying filtrate used in the production of manganese metal by electrolysis according to claim 1, wherein: the bottom end of the liquid inlet pipe (13) is positioned at a position close to the bottom of the first purifying tank (1 a).

3. The tank for purifying filtrate used in the production of manganese metal by electrolysis according to claim 1, wherein: the first L-shaped pipe (11) and the second L-shaped pipe (12) are identical, the bottom end of the first L-shaped pipe (11) is located at a position close to the bottom of the second purification tank (1b), and the bottom end of the second L-shaped pipe (12) is located at a position close to the bottom of the third purification tank (1 c).

4. The tank for purifying filtrate used in the production of manganese metal by electrolysis according to claim 1, wherein: the bottom end of the aeration pipe (60) is located at a position close to the bottom of the first purification tank (1a), and the bottom end of the rotating shaft (50) is located at the middle lower part of the first purification tank (1 a).

5. The tank for purifying filtrate used in the production of manganese metal by electrolysis according to claim 1, wherein: and a first filter screen (8) is arranged on the right side of the inner wall of the first purification tank (1a) and at the position of the joint of the first L-shaped pipe (11).

6. The tank for purifying filtrate used in the production of manganese metal by electrolysis according to claim 1, wherein: and a second filter screen (9) is arranged on the right side of the inner wall of the second purification tank (1b) and at the position of the joint of the second L-shaped pipe (12).

7. The tank for purifying filtrate used in the production of manganese metal by electrolysis according to claim 1, wherein: and a third filter screen (10) is arranged on the right side of the inner wall of the third purifying tank (1c) and at the position of the joint of the liquid outlet pipe (14).