CN216856436U - Acid dissolving tank device for rare earth production - Google Patents
Acid dissolving tank device for rare earth production Download PDFInfo
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- CN216856436U CN216856436U CN202220333920.5U CN202220333920U CN216856436U CN 216856436 U CN216856436 U CN 216856436U CN 202220333920 U CN202220333920 U CN 202220333920U CN 216856436 U CN216856436 U CN 216856436U
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Abstract
The utility model relates to an acid dissolving tank device for rare earth production, belongs to the technical field of rare earth dissolution, and solves the technical problems that a traditional acid dissolving tank is insufficient in stirring and raw materials are easy to adhere to the side wall to cause waste and the like. The solution is as follows: the utility model provides a tombarthite production is with acid dissolving tank device, includes the support and the fixed acid dissolving tank body of locating the support top, acid dissolving tank internal stirring storehouse, water conservancy diversion cover, first agitating unit, filter screen and second agitating unit of being provided with, stirring storehouse coaxial locating acid dissolving tank internal upper portion, the stirring storehouse outside is located to the water conservancy diversion cover coaxial cover, the water conservancy diversion cover below is located to the filter screen, first agitating unit is located in the stirring storehouse, the second agitating unit is located in the acid dissolving tank body of filter screen below. The rare earth dissolving device is simple in structure, the dissolution efficiency of rare earth is guaranteed through double stirring of the first stirring device and the second stirring device, and under the action of the stirring bin and the flow guide sleeve, rare earth raw materials do not fly upward.
Description
Technical Field
The utility model belongs to the technical field of rare earth dissolution, and particularly relates to an acid dissolving tank device for rare earth production.
Background
Rare earth, once called rare earth metal, or rare earth element, is a collective name of 17 chemical elements including scandium, yttrium and lanthanoid elements in the third subgroup of the periodic table of elements. Rare earths are indispensable elements for manufacturing various weaponry equipment such as precision guided weapons called "smart bombs", radars, and night vision goggles. Because of its low natural abundance and the symbiotic form of oxide or oxysalt minerals, it is called "rare earth".
The extraction of rare earth metals mainly adopts a hydrometallurgical method, the whole process is mostly in a solution and a solvent, such as the decomposition of rare earth concentrate, the separation and extraction of rare earth oxides, rare earth compounds and single rare earth metals are chemical separation process procedures of precipitation, crystallization, redox, solvent extraction, ion exchange and the like. Before smelting rare earth raw materials by adopting wet metallurgy, dissolving the rare earth raw materials, and adding the rare earth raw materials and a dissolving solution into an acid dissolving tank, wherein the dissolving solution can be hydrochloric acid or sulfuric acid and the like; however, the existing acid dissolving tank has the following defects:
1. the dissolution efficiency is low, the stirring is insufficient, the simple stirring equipment is only arranged below the tank body in the existing acid dissolution tank, the stirring effect is poor, the rare earth cannot be completely dissolved, the rare earth dissolution time is increased, partial rare earth raw materials are wasted, and the production cost of an enterprise is greatly increased;
2. in the existing acid dissolving tank, rare earth raw materials fly upwards in the process of feeding the rare earth raw materials, and some raw materials can be adhered to the side wall, so that a part of raw materials are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides an acid dissolving tank device for producing rare earth, and solves the technical problems that the traditional acid dissolving tank is insufficient in stirring, raw materials are easy to adhere to the side wall to cause waste and the like.
In order to solve the problems, the technical scheme of the utility model is as follows: an acid dissolving tank device for rare earth production, wherein: the acid dissolving tank comprises a support and an acid dissolving tank body fixedly arranged above the support, wherein a stirring bin, a flow guide sleeve, a first stirring device, a filter screen and a second stirring device are arranged in the acid dissolving tank body;
the stirring bin is of an inverted cone-shaped shell structure with an opening at the top, the stirring bin is coaxially arranged at the upper part in the acid-soluble tank body, the stirring bin is fixedly connected with the top wall in the acid-soluble tank body through a plurality of groups of connecting rods uniformly distributed at the upper part of the outer side wall of the stirring bin, and an overflow groove is formed in the upper part of the side wall of the stirring bin between every two adjacent groups of connecting rods; the bottom ends of the liquid inlet pipe and the feeding pipe are arranged in the stirring bin;
the flow guide sleeve is of an inverted cone-shaped structure, the flow guide sleeve is coaxially sleeved outside the stirring bin, and the upper edge of the flow guide sleeve is fixedly connected with the inner wall of the acid-soluble tank body; the filter screen is arranged below the flow guide sleeve, is obliquely arranged, and is provided with a slag outlet on the side wall of the acid-soluble tank body corresponding to the lower end of the filter screen;
the first stirring device is arranged in the stirring bin and is used for stirring the solution and the rare earth material which are sent into the stirring bin; the second stirring device is arranged in the acid-soluble tank body below the filter screen, and the second stirring device is used for stirring the filtered solution.
Furthermore, the upper surface of the stirring bin is flush with the upper surface of the flow guide sleeve.
Furthermore, the conical angle of the stirring bin is equal to that of the flow guide sleeve.
Furthermore, the inclination angle of the filter screen is ~.
Further, first agitating unit includes first agitator motor, first (mixing) shaft and the first stirring paddle leaf of a plurality of groups, the vertical downward fixed of first agitator motor sets up in the middle part of the top surface of the acid-soluble jar of body, first (mixing) shaft is vertical to be located in the stirring storehouse, first (mixing) shaft top is passed behind the acid-soluble jar of body top surface and is connected with the coaxial fixed connection of first agitator motor's output shaft, a plurality of groups first stirring paddle leaf equipartition is located on the lateral wall of first (mixing) shaft bottom, first agitator motor drive first (mixing) shaft rotates and drives first stirring paddle leaf and rotate around the Y axle.
Further, the distance between the bottom of the first stirring paddle and the inner bottom surface of the stirring bin is H, and the H is 5-10 mm.
Further, second agitating unit includes second agitator motor, second (mixing) shaft and a plurality of second stirring paddle leaf of group, the external lateral wall of acid-soluble jar is located to second agitator motor level, and its output shaft orientation acid-soluble jar of body, it is internal that acid-soluble jar is located to second (mixing) shaft level, second (mixing) shaft both ends rotate with acid-soluble jar of body lateral wall to be connected, just second (mixing) shaft one end and second agitator motor's the coaxial fixed connection of output shaft, a plurality of groups second stirring paddle leaf equipartition is located second (mixing) shaft lateral wall, second agitator motor drive second (mixing) shaft rotates and drives second stirring paddle leaf and rotates around the X axle.
Further, the second stirring paddle comprises a rotating plate, a transition plate and an arc-shaped plate which are sequentially connected, the transition plate is perpendicular to the rotating plate, and the arc-shaped concave surface of the arc-shaped plate faces to the rotating direction of the second stirring paddle.
Furthermore, a plurality of groups of notches are formed in the rotating plates, and the notches in the adjacent two groups of rotating plates are staggered.
Further, a sealing ring is arranged at the joint of the second stirring shaft and the side wall of the acid-soluble tank body.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the stirring bin is arranged at the upper part in the acid dissolution tank body, firstly, the dissolving solution in the liquid inlet pipe and the rare earth raw material in the material inlet pipe are fed into the stirring bin, the stirring is carried out through the first stirring device, the primarily stirred rare earth solution falls from the overflow tank, the rare earth solution falls towards the middle of the acid dissolution tank body under the action of the flow guide sleeve, then, impurities are filtered under the filtering action of the filter screen, the filtered rare earth solution enters the lower part of the acid dissolution tank body, and finally, the stirring is carried out through the second stirring device, the second stirring device rotates around the X axis, the solution below and the solution above are stirred, the stirring is thorough, and the stirring efficiency is high.
The rare earth dissolving device is simple in structure, the dissolving efficiency of rare earth is guaranteed through double stirring of the first stirring device and the second stirring device, and under the action of the stirring bin and the flow guide sleeve, rare earth raw materials do not fly upward, and thorough dissolving of rare earth is guaranteed.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the internal structure of the acid-soluble can body of the present invention;
FIG. 3 is a schematic view of the exterior of the acid-soluble can body of the present invention in elevation;
FIG. 4 is a view A-A of FIG. 3;
fig. 5 is a schematic structural view of a flow guide sleeve according to the present invention;
FIG. 6 is a schematic view of the structure of the stirring chamber of the present invention
FIG. 7 is a schematic view of a part of the second stirring apparatus of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the figures and examples.
An acid-soluble tank apparatus for rare earth production as shown in fig. 1 to 7, wherein: the acid dissolving tank comprises a support 1 and an acid dissolving tank body 2 fixedly arranged above the support 1, wherein a stirring bin 3, a flow guide sleeve 4, a first stirring device 5, a filter screen 6 and a second stirring device 7 are arranged in the acid dissolving tank body 2, a liquid inlet pipe 2-1 and a liquid inlet pipe 2-2 are arranged at the top of the acid dissolving tank body 2, and a liquid outlet 2-3 is arranged at the bottom of the acid dissolving tank body 2; the liquid inlet pipe 2-1 is used for conveying dissolving liquid, the material inlet pipe 2-2 is used for conveying rare earth raw materials, and the liquid outlet pipe 2-3 is used for conveying dissolved rare earth solution.
The stirring bin 3 is of an inverted-cone-shaped shell structure with an opening at the top, the inverted-cone-shaped structure of the stirring bin 3 is convenient for the solution in the stirring bin to overflow, and the influence of too large force on the side wall on the stability of the stirring bin is avoided, the stirring bin 3 is coaxially arranged at the upper part in the acid-soluble tank body 2, the stirring bin 3 is fixedly connected with the top wall in the acid-soluble tank body 2 through a plurality of groups of connecting rods 3-1 which are uniformly distributed at the upper part of the outer side wall of the stirring bin 3, and an overflow groove 3-2 is formed in the upper part of the side wall of the stirring bin 3 between two adjacent groups of connecting rods 3-1; the overflow groove 3-2 is arranged to facilitate the overflow of the stirred rare earth solution and fall onto the lower filter screen 6, the bottom ends of the liquid inlet pipe 2-1 and the feed pipe 2-2 are arranged in the stirring bin 3, and the rare earth raw material and the dissolved solution are fed into the stirring bin 3 to avoid the splashing of the rare earth raw material after directly falling into the acid-soluble tank 2;
the flow guide sleeve 4 is of an inverted cone structure, the flow guide sleeve 4 is coaxially sleeved outside the stirring bin 3, a solution channel is formed between the flow guide sleeve 4 and the stirring bin 3, the upper edge of the flow guide sleeve 4 is fixedly connected with the inner wall of the acid-soluble tank body 2, and the inverted cone structure of the flow guide sleeve 4 is convenient for guiding the solution overflowing from the stirring bin 3 to the filter screen 6 and preventing the solution from splashing; the filter screen 6 is arranged below the flow guide sleeve 4, the filter screen 6 is obliquely arranged, and a slag outlet 2-4 is formed in the side wall of the acid-soluble tank body 2 corresponding to the lower end of the filter screen 6; the reason for the inclined arrangement is to facilitate the filtered impurities to collect at a lower position and to be taken out from the slag outlet 2-4.
The first stirring device 5 is arranged in the stirring bin 3, and the first stirring device 5 is used for stirring the dissolving solution and the rare earth material which are sent into the stirring bin 3; the second stirring device 7 is arranged in the acid-soluble tank body 2 below the filter screen 6, and the second stirring device 7 is used for stirring the filtered solution. Through the dual stirring of first agitating unit 5 and second agitating unit 7, stirring quality and stirring efficiency have been improved.
Further, the upper surface of the stirring bin 3 is flush with the upper surface of the flow guide sleeve 4. The solution overflowing from the overflow groove 3-2 is ensured to be in the flow guide sleeve 4, so that the flow guide is facilitated.
Further, the conical angle of the stirring bin 3 is equal to that of the flow guide sleeve 4. The solution is convenient to overflow and guide.
Further, the inclination angle of filter screen 6 is 4 ~ 8. The impurities can be conveniently taken out after filtration.
Further, the first stirring device 5 comprises a first stirring motor 5-1, a first stirring shaft 5-2 and a plurality of groups of first stirring blades 5-3, the first stirring motor 5-1 is vertically and downwardly fixedly arranged in the middle of the top surface of the acid-soluble tank body 2, the first stirring shaft 5-2 is vertically arranged in the stirring bin 3, the top end of the first stirring shaft 5-2 penetrates through the top surface of the acid-soluble tank body 2 and then is coaxially and fixedly connected with an output shaft of the first stirring motor 5-1, the plurality of groups of first stirring blades 5-3 are uniformly distributed on the outer side wall of the bottom end of the first stirring shaft 5-2, and the first stirring motor 5-1 drives the first stirring shaft 5-2 to rotate to drive the first stirring blades 5-3 to rotate around the Y axis. The first stirring device 5 is provided to primarily stir the rare earth raw material and the dissolving solution.
Further, the distance between the bottom of the first stirring paddle 5-3 and the inner bottom surface of the stirring bin 3 is H, and H is 5-10 mm. The stirring of the solution at the lower part in the stirring bin 3 is ensured, and the stirring quality and efficiency are improved.
Further, the second stirring device 7 comprises a second stirring motor 7-1, a second stirring shaft 7-2 and a plurality of groups of second stirring blades 7-3, the second stirring motor 7-1 is horizontally arranged on the outer side wall of the acid-soluble tank body 2, an output shaft of the second stirring shaft faces the acid-soluble tank body 2, the second stirring shaft 7-2 is horizontally arranged in the acid-soluble tank body 2, two ends of the second stirring shaft 7-2 are rotationally connected with the side wall of the acid-soluble tank body 2, one end of the second stirring shaft 7-2 is coaxially and fixedly connected with an output shaft of a second stirring motor 7-1, a plurality of groups of second stirring blades 7-3 are uniformly distributed on the outer side wall of the second stirring shaft 7-2, the second stirring motor 7-1 drives the second stirring shaft 7-2 to rotate so as to drive the second stirring blade 7-3 to rotate around the X axis. Second agitating unit 7 is the level setting, mainly carries out the ascending upset stirring of upper and lower side with solution, and stirring effect is better, avoids the longer back solution of time to locate unevenly from top to bottom.
Further, the second stirring blade 7-3 comprises a rotating plate 7-3-1, a transition plate 7-3-2 and an arc-shaped plate 7-3-3 which are sequentially connected, the transition plate 7-3-2 and the rotating plate 7-3-1 are mutually vertical, and the arc-shaped concave surface of the arc-shaped plate 7-3-3 faces to the rotating direction of the second stirring blade 7-3. The arrangement of the transition plate 7-3-2 and the arc-shaped plate 7-3-3 enables the solution stirring effect to be better, when the solution stirring device rotates, the farther the position from the second stirring shaft 7-2 is, the stirring is difficult to perform, the arrangement of the arc-shaped plate 7-3-3 enables the solution to be smoothly brought up by the second stirring blade 7-3 in the rotating process, then the solution falls between the rotating plates 7-3-1 through the buffering process of the transition plate 7-3-2, if the second stirring blade 7-3 is of a whole-block flat plate structure, the solution can be stressed greatly, and in the rotating process, the solution can impact the second stirring blade 7-3 greatly and is easy to damage.
Furthermore, a plurality of groups of notches 7-3-4 are formed in the rotating plate 7-3-1, and the notches 7-3-4 in the two adjacent groups of rotating plates 7-3-1 are staggered. The arrangement of the notches 7-3-4 enables the solutions among the rotating plates 7-3-1 to be communicated with each other, reduces the stress of the rotating plates 7-3-1, ensures the solutions to be thoroughly mixed by the staggered arrangement, and further improves the stirring quality.
Further, a sealing ring is arranged at the joint of the second stirring shaft 7-2 and the side wall of the acid-soluble tank body 2. The sealing ring ensures that the liquid in the acid-soluble tank body 2 overflows from the joint.
Firstly, a dissolving solution is fed into a stirring bin 3 through a liquid inlet pipe 2-1, a rare earth raw material is fed into the stirring bin 3 through a feeding pipe 2-2, the dissolving solution and the rare earth raw material are fed into the stirring bin for the first time to be fully mixed and dissolved under the action of a first stirring device 3, the feeding is continued during the stirring process, then the rare earth solution overflows from an overflow groove 3-2, the rare earth solution falls into the middle part of a filter screen 6 under the action of a guide sleeve 4, the rare earth solution falls into the lower part after being filtered, then the rare earth solution is stirred for the second time by a second stirring device 7, the stirring directions of the two times are different, the stirring efficiency and the stirring quality are further improved, and the rare earth raw material is prevented from splashing in an acid-soluble tank body 2.
Claims (10)
1. The utility model provides a tombarthite production is with acid dissolving tank device which characterized in that: the acid dissolving tank comprises a support (1) and an acid dissolving tank body (2) fixedly arranged above the support (1), wherein a stirring bin (3), a flow guide sleeve (4), a first stirring device (5), a filter screen (6) and a second stirring device (7) are arranged in the acid dissolving tank body (2), a liquid inlet pipe (2-1) and a material inlet pipe (2-2) are arranged at the top of the acid dissolving tank body (2), and a liquid outlet (2-3) is arranged at the bottom of the acid dissolving tank body (2);
the stirring bin (3) is of an inverted cone-shaped shell structure with an opening at the top, the stirring bin (3) is coaxially arranged at the upper part in the acid-soluble tank body (2), the stirring bin (3) is fixedly connected with the inner top wall of the acid-soluble tank body (2) through a plurality of groups of connecting rods (3-1) uniformly distributed at the upper part of the outer side wall of the stirring bin (3), and an overflow groove (3-2) is arranged at the upper part of the side wall of the stirring bin (3) between two adjacent groups of connecting rods (3-1); the bottom ends of the liquid inlet pipe (2-1) and the feeding pipe (2-2) are arranged in the stirring bin (3);
the flow guide sleeve (4) is of an inverted cone-shaped structure, the flow guide sleeve (4) is coaxially sleeved outside the stirring bin (3), and the upper edge of the flow guide sleeve (4) is fixedly connected with the inner wall of the acid-soluble tank body (2); the filter screen (6) is arranged below the flow guide sleeve (4), the filter screen (6) is obliquely arranged, and a slag outlet (2-4) is formed in the side wall of the acid-soluble tank body (2) corresponding to the lower end of the filter screen (6);
the first stirring device (5) is arranged in the stirring bin (3), and the first stirring device (5) is used for stirring the dissolving solution and the rare earth material which are sent into the stirring bin (3); the second stirring device (7) is arranged in the acid-soluble tank body (2) below the filter screen (6), and the second stirring device (7) is used for stirring the filtered solution.
2. The acid-soluble tank device for rare earth production as claimed in claim 1, wherein: the upper surface of the stirring bin (3) is flush with the upper surface of the flow guide sleeve (4).
3. The acid-soluble tank device for rare earth production as claimed in claim 1, wherein: the conical angle of the stirring bin (3) is equal to that of the flow guide sleeve (4).
4. The acid-soluble tank device for rare earth production as claimed in claim 1, wherein: the inclination angle of filter screen (6) is 4 ~ 8.
5. The acid-soluble tank device for rare earth production as claimed in claim 1, wherein: the first stirring device (5) comprises a first stirring motor (5-1), a first stirring shaft (5-2) and a plurality of groups of first stirring blades (5-3), the first stirring motor (5-1) is vertically and downwards fixedly arranged in the middle of the top surface of the acid-soluble tank body (2), the first stirring shaft (5-2) is vertically arranged in the stirring bin (3), the top end of the first stirring shaft (5-2) penetrates through the top surface of the acid-soluble tank body (2) and then is coaxially and fixedly connected with an output shaft of a first stirring motor (5-1), a plurality of groups of first stirring blades (5-3) are uniformly distributed on the outer side wall of the bottom end of the first stirring shaft (5-2), the first stirring motor (5-1) drives the first stirring shaft (5-2) to rotate so as to drive the first stirring blade (5-3) to rotate around the Y axis.
6. The acid-soluble tank device for rare earth production as claimed in claim 5, wherein: the distance between the bottom of the first stirring paddle (5-3) and the inner bottom surface of the stirring bin (3) is H, and the H is 5-10 mm.
7. The acid-soluble tank device for rare earth production as claimed in claim 1, wherein: the second stirring device (7) comprises a second stirring motor (7-1), a second stirring shaft (7-2) and a plurality of groups of second stirring blades (7-3), the second stirring motor (7-1) is horizontally arranged on the outer side wall of the acid-soluble tank body (2), the output shaft of the second stirring motor faces the acid-soluble tank body (2), the second stirring shaft (7-2) is horizontally arranged in the acid-soluble tank body (2), the two ends of the second stirring shaft (7-2) are rotatably connected with the side wall of the acid-soluble tank body (2), one end of the second stirring shaft (7-2) is coaxially and fixedly connected with the output shaft of the second stirring motor (7-1), the plurality of groups of second stirring blades (7-3) are uniformly distributed on the outer side wall of the second stirring shaft (7-2), and the second stirring motor (7-1) drives the second stirring shaft (7-2) to rotate to drive the second stirring blades (7-3) to rotate around the X shaft And (4) rotating.
8. The acid-soluble tank device for rare earth production as claimed in claim 7, wherein: the second stirring paddle (7-3) comprises a rotating plate (7-3-1), a transition plate (7-3-2) and an arc-shaped plate (7-3-3) which are sequentially connected, the transition plate (7-3-2) and the rotating plate (7-3-1) are mutually vertical, and the arc-shaped concave surface of the arc-shaped plate (7-3-3) faces to the rotating direction of the second stirring paddle (7-3).
9. The acid-soluble tank device for rare earth production as claimed in claim 8, wherein: the rotating plates (7-3-1) are provided with a plurality of groups of notches (7-3-4), and the notches (7-3-4) on two adjacent groups of rotating plates (7-3-1) are staggered.
10. The acid-soluble tank device for rare earth production as claimed in claim 8, wherein: and a sealing ring is arranged at the joint of the second stirring shaft (7-2) and the side wall of the acid-soluble tank body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220333920.5U CN216856436U (en) | 2022-02-18 | 2022-02-18 | Acid dissolving tank device for rare earth production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220333920.5U CN216856436U (en) | 2022-02-18 | 2022-02-18 | Acid dissolving tank device for rare earth production |
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| Publication Number | Publication Date |
|---|---|
| CN216856436U true CN216856436U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220333920.5U Active CN216856436U (en) | 2022-02-18 | 2022-02-18 | Acid dissolving tank device for rare earth production |
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| Country | Link |
|---|---|
| CN (1) | CN216856436U (en) |
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- 2022-02-18 CN CN202220333920.5U patent/CN216856436U/en active Active
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