CN212152404U - A rare earth continuous precipitation device - Google Patents

Abstract

The utility model relates to the field of rare earth production equipment, in particular to a rare earth continuous precipitation device, comprising a dissolving tank and a settling tank. An inner shell is fixed inside the dissolving tank, and filtering through holes penetrating the inner shell are uniformly distributed on the inner shell. , the bottom of the inner shell is fixedly connected with the slag discharge pipe I fixed at the bottom of the dissolving tank, the valve II and the valve III are fixed on the slag discharge pipe I in order from top to bottom, and the dissolving tank body above the inner shell A water inlet pipe, a feeding pipe and a stirring motor are respectively fixed on the upper part, and a rotating shaft is fixed at the output end of the stirring motor. The rotating shaft is fixedly connected with the stirring blade inside the inner shell. The bottom of the rotating shaft is also fixed with a spiral blade. The liquid pipe is connected to the settling tank, a baffle plate is fixed laterally inside the settling tank, and a filter plate is fixed above the baffle plate. The baffle plate and the filter plate divide the settling tank into a filter cavity and a liquid discharge cavity. The filter cavity Connected to the aforementioned catheter. The device can continuously dissolve and filter rare earth ores.

Description

A rare earth continuous precipitation device

【Technical field】

The utility model relates to the field of rare earth production equipment, in particular to a rare earth continuous precipitation device.

【Background technique】

China is the country with the largest rare earth reserves in the world, and has a comprehensive distribution of elements. After nearly 40 years of development, the country has established the world's largest rare earth industry, becoming the world's largest rare earth producer, largest rare earth consumer and largest rare earth supplier. However, the existing rare earth precipitation device cannot realize the continuous precipitation of rare earth, which reduces the production efficiency of rare earth, and the existing rare earth precipitation device is likely to remain at the bottom of the sedimentation tank when the rare earth is discharged.

The utility model is researched and proposed for the deficiencies of the prior art.

【Content of utility model】

The purpose of the utility model is to overcome the above-mentioned shortcomings of the prior art and provide a rare earth continuous precipitation device.

The utility model can be realized through the following technical solutions:

The utility model discloses a rare earth continuous precipitation device, which comprises a dissolving tank and a settling tank. An inner shell is fixed inside the dissolving tank. The inner shell is evenly distributed with filtration through holes penetrating the inner shell. It is fixedly connected with the slag discharge pipe I fixed at the bottom of the dissolving tank, the valve II and the valve III are fixed on the slag discharge pipe I in order from top to bottom, and the water inlet pipe is respectively fixed on the dissolving tank above the inner shell. , a feeding pipe and a stirring motor, the output end of the stirring motor is fixed with a rotating shaft, the rotating shaft is fixedly connected with the stirring blade inside the inner shell, the bottom of the rotating shaft is also fixed with a spiral blade, and the bottom of the dissolving tank passes through a liquid conduit Connecting to the sedimentation tank, a valve I is fixed on the liquid conduit, a baffle plate is fixed laterally inside the sedimentation tank, a filter plate is fixed above the baffle plate, and the baffle plate and the filter plate divide the sedimentation tank into a filter cavity and drainage chamber, the filter chamber is connected with the aforesaid conduit pipe, the sedimentation box at the bottom of the filter chamber is also fixed with a slag discharge pipe II, and the slag discharge pipe II is respectively fixed with valves IV and Valve V, the bottom of the drainage cavity is also connected with the solution storage tank through a drainage pipe. Add rare earth raw materials to be dissolved into the dissolving tank through the feeding pipe, add rare earth dissolving liquid into the dissolving tank through the water inlet pipe, the stirring motor drives the stirring blade to rotate, and mixes and stirs the raw materials in the inner shell. The residue settles to the bottom of the inner shell. Open valve II and close valve III. The insoluble residue enters into the slag discharge pipe I between valve II and valve III. After the rare earth ore is dissolved, open valve I on the catheter. The height of the tank is lower than that of the dissolution tank. The rare earth solution enters the filter cavity of the settling tank through the catheter, and the valve IV is opened and the valve V is closed. And because the filter plate is set above the filter chamber, due to the filter plate filtering and the automatic sedimentation of the insoluble rare earth residue, the rare earth solution enters the drain chamber and enters the solution storage tank through the drain pipe, close the valve I, and continue to the dissolution tank. Add rare earth ore and dissolved solution. After the slag discharge pipe I between valve II and valve III is full of rare earth residues, close valve II and open valve III. The residue in slag discharge pipe I flows out from the bottom of slag discharge pipe I and then transported. After the rare earth residue is accumulated in the slag discharge pipe II between valve V and valve IV, close valve IV, open valve V, and discharge the rare earth residue and transport it to the filter press for pressure filtration, through The device can realize the effective dissolution of rare earth ores, and can effectively filter the rare earth solution, and the device can realize the continuous dissolution and filtration of rare earth ores, which further improves the production efficiency of rare earth, and drives the spiral blade to rotate through the rotating shaft, which can effectively avoid rare earth residues The phenomenon that the accumulation in the dissolution tank cannot be discharged occurs.

Compared with the existing technology, the utility model has the following advantages:

1. Through the device, the rare earth ore can be effectively dissolved, and the rare earth solution can be effectively filtered.

2. The device can continuously dissolve and filter rare earth ore, and further improve the production efficiency of rare earth.

3. The rotating shaft drives the spiral blade to rotate, which can effectively avoid the phenomenon that rare earth residues accumulate in the dissolving tank and cannot be discharged.

【Description of drawings】

The specific embodiments of the present utility model will be described in further detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is the front view of the utility model;

Figure 4 is a sectional view at A-A in Figure 2;

In the figure: 1. Settling tank; 2. Dissolving tank; 3. Water inlet pipe; 4. Feeding pipe; 5. Stirring motor; 6. Slag discharge pipe I; 7. Liquid conduit; 8. Valve I; Slag pipe II; 10, valve II; 11, valve III; 12, valve IV; 13, valve V; 14, rotating shaft; 15, stirring blade; 16, spiral blade; 17, baffle plate; 18, filter plate; 19, Drain pipe; 20. Inner shell;

【Detailed ways】

Embodiments of the present utility model are described in detail below in conjunction with the accompanying drawings:

As shown in FIGS. 1 to 4 , the present invention discloses a rare earth continuous precipitation device, which includes a dissolving tank 2 and a settling tank 1 . An inner shell 20 is fixed inside the dissolving tank 2 , and the inner shell 20 is evenly distributed with penetrating inner shells. 20, the bottom of the inner shell 20 is fixedly connected with the slag discharge pipe I6 fixed at the bottom of the dissolving tank 2, the slag discharge pipe I6 is fixed with valve II10 and valve III11 from top to bottom in order, and the dissolving tank above the inner shell 20 2. A water inlet pipe 3, a feeding pipe 4 and a stirring motor 5 are respectively fixed on the tank body. The output end of the stirring motor 5 is fixed with a rotating shaft 14. The rotating shaft 14 is fixedly connected with the stirring blade 15 inside the inner shell 20, and the bottom of the rotating shaft 14 is also fixed with Spiral blade 16, the bottom of the dissolving tank 2 is connected to the sedimentation tank 1 through a liquid conduit 7, a valve I8 is fixed on the liquid conduit 7, a baffle plate 17 is fixed laterally inside the sedimentation tank 1, and a filter plate 18 is fixed above the baffle plate 17. The plate 17 and the filter plate 18 divide the sedimentation tank 1 into a filter chamber and a liquid discharge chamber. The filter chamber is connected with the liquid conduit 7. The sedimentation tank 1 at the bottom of the filter chamber is also fixed with a slag discharge pipe II9. The valve IV12 and the valve V13 are respectively fixed from top to bottom, and the bottom of the liquid discharge chamber is also connected to the solution storage tank (not shown) through a liquid discharge pipe 19 . The rare earth raw material to be dissolved is added into the dissolving tank 2 through the feeding pipe 4, the rare earth dissolving liquid is added into the dissolving tank 2 through the water inlet pipe 3, the stirring motor 5 drives the stirring blade 15 to rotate, and the raw materials in the inner shell 20 are mixed and stirred After the rare earth is dissolved, the insoluble residue settles to the bottom of the inner shell 20, open the valve II10, close the valve III11, the insoluble residue enters the slag discharge pipe I6 between the valve II10 and the valve III11, after the rare earth ore is dissolved, open the liquid guide The valve I8 on the pipe 7, because the height of the sedimentation tank 1 is lower than the dissolution tank 2, the rare earth solution enters the filter cavity of the sedimentation tank 1 through the conduit 7, opens the valve IV12 and closes the valve V13, and the small particle rare earth residue settles into the valve. In the slag discharge pipe II9 between V13 and valve IV12, and because the filter plate 18 is set above the filter chamber, the rare earth solution enters the discharge chamber and passes through the discharge pipe 19 because the filter plate 18 filters and the insoluble rare earth residue automatically settles. Enter into the solution storage tank, close valve I8, continue to add rare earth ore and dissolving liquid into dissolving tank 2, and after the slag discharge pipe I6 between valve II10 and valve III11 is full of rare earth residues, close valve II10 and open valve III11 , the residue in the slag discharge pipe I6 flows out from the bottom of the slag discharge pipe I6 and is transported to the filter press for pressure filtration. When the rare earth residue accumulates in the slag discharge pipe II9 between the valve V13 and the valve IV12, close the valve IV12 and open the valve. Ⅴ13. After the rare earth residue is discharged, it is transported to the filter press for pressure filtration. Through this device, the rare earth ore can be effectively dissolved, and the rare earth solution can be effectively filtered, and the device can continuously dissolve and filter the rare earth ore, which further improves the Rare earth production efficiency is improved, and the rotating shaft 14 drives the spiral blades 16 to rotate, which can effectively avoid the phenomenon that rare earth residues accumulate in the dissolving tank 2 and cannot be discharged.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, various changes and modifications can be made to these embodiments without departing from the technical principles of the present invention. , replacements and modifications, these changes, modifications, replacements and modifications should also be regarded as the protection scope of the present invention.

Claims (1)

1. A rare earth continuous precipitation device comprises a dissolving tank and a sedimentation tank, and is characterized in that an inner shell is fixed inside the dissolving tank, filter through holes penetrating through the inner shell are uniformly distributed on the inner shell, the bottom of the inner shell is fixedly connected with a slag discharge pipe I fixed at the bottom of the dissolving tank, a valve II and a valve III are sequentially fixed on the slag discharge pipe I from top to bottom, a water inlet pipe, a feed pipe and a stirring motor are respectively fixed on a dissolving tank body above the inner shell, a rotating shaft is fixed at the output end of the stirring motor and fixedly connected with stirring blades inside the inner shell, spiral blades are further fixed at the bottom of the rotating shaft, the bottom of the dissolving tank is connected with the sedimentation tank through a liquid guide pipe, the valve I is fixed on the liquid guide pipe, a baffle is transversely fixed inside the sedimentation tank, a filter plate is fixed above the baffle, and the sedimentation tank is divided into a filter cavity and a liquid discharge cavity, the filter cavity is connected with the liquid guide pipe, a slag discharge pipe II is further fixed on the settling tank at the bottom of the filter cavity, a valve IV and a valve V are respectively fixed on the slag discharge pipe II from top to bottom, and the bottom of the liquid discharge cavity is further connected with a solution storage tank through a liquid discharge pipe.

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