Ionic rare earth ore leaching device

Abstract

The utility model relates to an ion type rare earth ore leaching device which comprises a base provided with a barrel body at the top, a plurality of liquid outlets are formed in the bottom of the side wall of the barrel body, a circle of collecting groove is formed in the base in a surrounding mode, the bottom of the barrel body is further sleeved with an annular base, and the liquid outlets penetrate through the side wall of the annular base. Two circles of strip-shaped openings communicated with the inner bottom of the liquid outlet are further coaxially formed in the top of the annular base, a sealing barrel is arranged in the strip-shaped opening in the inner side, a filtering mechanism is arranged in the strip-shaped opening in the outer side, and the sealing barrel is driven by an electric push rod on the outer wall of the barrel body; the filtering mechanism comprises an annular plate I located on the lower portion and two circular rings located on the upper portion and coaxially arranged, the circular rings are located above the annular base and connected with the top of the annular plate I through filter screens, filter cloth is arranged between the two filter screens, and locking bolts for locking and fixing the filter cloth are arranged between the two circular rings. And a discharging mechanism is arranged in the collecting groove. The device is simple in structure and convenient to use.

Description

Technical Field

[0001] This invention relates to the field of ion-type rare earth production, and in particular to an ion-type rare earth leaching apparatus. Background Technology

[0002] Ionic rare earth minerals (also known as weathering crust leaching rare earth minerals) are widely valued due to their complete composition, especially their high content of medium and heavy rare earth elements with higher added value. The principle of leaching ionic rare earth minerals is as follows: RE3+ adsorbed in ionic rare earth minerals can be exchanged and leached when encountering more chemically reactive cations (such as H+, NH4+, Na+, and K+). When ionic rare earth minerals are leached with a salt electrolyte solution, the RE3+ on the clay minerals undergoes an isochemical reaction with the ions in the solution, resulting in the exchange of cations from the solution onto the clay minerals, and the RE3+ leaching into the solution.

[0003] In ion-type rare earth leaching operations, most current ion-type rare earth leaching devices are not convenient for installing or removing filter cloths. After a period of use, the filter cloth's performance may be affected, as well as the efficiency of rare earth leachate discharge.

[0004] Therefore, an ion-type rare earth leaching device, such as the one with patent number CN217895704U, was developed to solve the above problems. However, it has the following defects when in use: if the filter cloth becomes clogged and cannot be used, the ore and unfiltered liquid in the leaching pool will be discharged through the open drain after the filter cloth is removed for cleaning or replacement. This means that after replacing the filter cloth, the ore and unfiltered liquid need to be reintroduced into the leaching pool for filtration through equipment or other means, which affects the processing efficiency and increases the labor intensity. At the same time, how to ensure the toughness of the filter cloth so that it is always in an open state to block the drain to filter the liquid, and how to prevent the filter cloth from deforming and curling after being soaked in water for a long time, thus exposing the drain, are also problems that need to be solved. Summary of the Invention

[0005] The purpose of this invention is to provide an ion-type rare earth leaching device.

[0006] The technical problem of this invention is mainly solved by the following technical solution:

[0007] An ion-type rare earth leaching device includes a base and a barrel disposed on top of the base. The bottom side wall of the barrel is provided with a plurality of liquid outlets circumferentially. A collection tank for receiving liquid discharged from the liquid outlets is arranged around the base, and a liquid outlet pipe is provided at the bottom of the collection tank.

[0008] The bottom of the barrel is fitted with an annular seat, and the liquid outlet penetrates the side wall of the annular seat. The top of the annular seat is also coaxially provided with two strip-shaped openings that communicate with the bottom of the liquid outlet. A sealing cylinder is provided in the inner strip-shaped opening, and a filtration mechanism is provided in the outer strip-shaped opening. The sealing cylinder is driven by an electric push rod on the outer wall of the barrel. The filtration mechanism includes an annular plate I located below and two sets of rings coaxially arranged above. The rings are located above the annular seat and are connected to the top of the annular plate I through filter screens. A filter cloth is provided between the two sets of filter screens, and a locking bolt is provided between the two sets of rings to lock and fix the filter cloth. The collecting groove is located below the annular seat, and a discharge mechanism is provided in the collecting groove.

[0009] Preferably, the outlet end of the liquid outlet is located directly above the opening of the collecting tank. The discharge mechanism includes multiple sets of protrusions located at the bottom of the collecting tank and adapted to it. The top of the side wall of the protrusion on the same side as the base is provided with a notch to accommodate two sets of upper and lower annular plates II. An internal gear ring is provided between the upper and lower annular plates II with its outer arc wall fixedly connected to the side wall of the notch. The side wall of the base is provided with a mounting cavity corresponding to the internal gear ring and communicating with the collecting tank. A gear extending into the collecting tank and meshing with the internal gear ring is provided in the mounting cavity. The gear is driven by a motor.

[0010] Preferably, the bottom of the outer strip-shaped opening is lower than the horizontal plane of the bottom of the liquid outlet, and the top of the annular plate I is not higher than the horizontal plane of the bottom of the liquid outlet.

[0011] Preferably, the ring is provided with fixing bolts that lock it onto the annular seat.

[0012] Preferably, a magnetic seat is provided on the outer wall of the barrel, which is in contact with the top of the sealing cylinder. The distance between the magnetic seat and the top of the annular seat is not less than the depth of the strip opening. A groove for accommodating the sealing strip is also provided around the bottom end face of the sealing cylinder.

[0013] Preferably, the filter mesh aperture is larger than the filter cloth sidewall aperture.

[0014] The beneficial effects of this invention are as follows: In this invention, the filter cloth is clamped and fixed by two sets of rings and two sets of filter screens in the filtration mechanism, thereby shaping it and preventing it from wilting and curling due to liquid immersion. When the filter cloth needs to be replaced, the electric push rod drives the sealing cylinder to move down, thereby sealing the inlet end of the liquid outlet and preventing the liquid in the tank from continuing to flow to the filtration mechanism. At this time, the fixing bolts are removed to pull the filtration mechanism out from the outer strip opening. Then, the locking bolts are removed to pull the filter cloth out from between the two sets of rings and two sets of filter screens, thereby replacing the filter cloth. Then, the replaced filtration mechanism is inserted into the outer strip opening, and the sealing cylinder moves up. At this time, the leaching liquid can continue to be filtered, which facilitates the replacement of the filter cloth and ensures the leaching effect of ion-type rare earths. It also improves the efficiency of rare earth leaching liquid discharge and facilitates the collection of rare earth leaching liquid. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the present invention;

[0016] Figure 2 This is a cross-sectional view of the present invention;

[0017] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0018] In the diagram: 1. Base, 2. Barrel body, 3. Liquid outlet, 4. Collection tank, 5. Liquid outlet pipe, 6. Annular seat, 7. Strip opening, 8. Sealing cylinder, 9. Filtering mechanism, 91. Annular plate I, 92. Ring, 93. Filter screen, 94. Filter cloth, 95. Locking bolt, 10. Electric push rod, 11. Discharge mechanism, 111. Boss, 112. Annular plate II, 113. Internal gear ring, 114. Gear, 115. Motor, 12. Fixing bolt, 13. Magnetic seat. Detailed Implementation

[0019] The technical solution of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0020] An ion-type rare earth leaching device includes a base 1 and a barrel 2 disposed on top of the base 1. The bottom side wall of the barrel 2 is provided with a plurality of liquid outlets 3. A collection tank 4 is arranged around the base 1 to receive the liquid discharged from the liquid outlets 3. A liquid outlet pipe 5 is provided at the bottom of the collection tank 4.

[0021] The bottom of the barrel 1 is fitted with an annular seat 6. The outlet 3 penetrates the side wall of the annular seat 6. The top of the annular seat 6 is also coaxially provided with two strip-shaped openings 7 that communicate with the bottom of the outlet 3. The inner strip-shaped opening 7 is provided with a sealing cylinder 8, and the outer strip-shaped opening 7 is provided with a filter mechanism 9. The sealing cylinder 8 is driven by an electric push rod 10 on the outer wall of the barrel 2. The filter mechanism 9 includes an annular plate 191 located below and two sets of rings 92 coaxially arranged above. The rings 92 are located above the annular seat 6. The rings 92 are connected to the top of the annular plate 191 through a filter screen 93. A filter cloth 94 is provided between the two sets of filter screens 93. The pore size of the filter screen 93 is larger than the pore size of the side wall of the filter cloth 94. A locking bolt 95 is provided between the two sets of rings 92 to lock and fix the filter cloth 94. The collecting groove 4 is located below the annular seat 6. A discharge mechanism 11 is provided in the collecting groove 4.

[0022] The outlet end of the liquid outlet 3 is located directly above the opening of the collection tank 4. The discharge mechanism 11 includes multiple sets of protrusions 111 located at the bottom of the collection tank 4 and adapted to it. The top of the side wall of the protrusion 111 on the same side as the base 1 is provided with a notch to accommodate two sets of upper and lower annular plates II112. An internal gear ring 113 is provided between the upper and lower annular plates II112 and fixedly connected to the side wall of the notch. The side wall of the base 1 is provided with a mounting cavity corresponding to the internal gear ring 113 and communicating with the collection tank 4. A gear 114 extending into the collection tank 4 and meshing with the internal gear ring 113 is provided in the mounting cavity. The gear 114 is driven by a motor 115.

[0023] like Figure 3 As shown, the bottom of the strip-shaped opening 7 on the outer side is lower than the horizontal plane of the bottom of the liquid outlet 3, and the top of the annular plate I91 is not higher than the horizontal plane of the bottom of the liquid outlet 3.

[0024] like Figure 3 As shown, the ring 92 is provided with a fixing bolt 12 that locks it onto the ring seat 6.

[0025] like Figure 1 , 3 As shown, a magnetic seat 13 is provided on the outer wall of the barrel 2, which is attached to the top of the sealing cylinder 8. The distance between the magnetic seat 13 and the top of the annular seat 6 is not less than the depth of the strip opening 7. A groove for accommodating the sealing strip is also provided around the bottom surface of the sealing cylinder 8.

[0026] The method of using this invention is as follows: During installation, the filter cloth 94 is inserted between two sets of rings 92 and filter screen 93. Then, the two sets of rings 92 are locked and fixed by several locking bolts 95. At this time, the two sets of rings 92 and two sets of filter screen 93 clamp and fix the filter cloth 94, thereby shaping it and preventing it from wilting and curling due to liquid immersion. Then, the annular plate 191 and filter screen 93 are inserted into the outer strip opening 7, and the rings 92 are locked and fixed on the annular seat 6 by fixing bolts 12. At this time, the electric push rod 10 retracts and drives the sealing cylinder 8 to move upward in the inner strip opening 7, thereby opening the liquid outlet 3. At this time, the top of the sealing cylinder 8 is magnetically connected and fixed to the magnetic seat 13, so that the sealing cylinder 13 is suspended at a high position.

[0027] When leaching ion-adsorption rare earth, the ion-adsorption rare earth is placed inside the barrel 2, and the leaching agent is poured into the barrel 2, maintaining the leaching agent level above the rare earth ore. After leaching for 2 hours, the rare earth leachate is discharged through the outlet 3 and filtered by the filter cloth 94. The rare earth leachate enters the collection tank 4 and is introduced into the collection container through multiple sets of outlet pipes 5.

[0028] During the above process, the motor 115 drives multiple sets of protrusions 111 to slide in the collection tank 4 through the gear 114 and the internal gear ring 113, so that the protrusions 111 push the leachate in the collection tank 4 to flow downstream to the corresponding outlet pipes 5, thereby achieving the purpose of forcibly discharging the liquid in the collection tank 4.

[0029] When the filter cloth needs to be replaced, the electric push rod 10 drives the sealing cylinder 8 to move down, thereby sealing the inlet end of the outlet 3 to prevent the liquid in the tank 2 from continuing to flow to the filter mechanism 9. At this time, the fixing bolt 12 is removed to pull the filter mechanism 9 out from the outer strip opening 7. Then, the locking bolt 95 is removed to pull the filter cloth 94 out from between the two sets of rings 92 and the two sets of filter screens 93, and then the filter cloth 94 is replaced. Then, the replaced filter mechanism 9 is inserted into the outer strip opening 7, and the sealing cylinder 8 moves up. At this time, the leaching liquid can continue to be filtered, which facilitates the replacement of the filter cloth 94, thereby ensuring the leaching effect of ion-type rare earth, improving the efficiency of rare earth leaching liquid discharge, and facilitating the collection of rare earth leaching liquid.

[0030] The present invention has been described in detail above, but the content described is only a preferred embodiment of the present invention and should not be considered as limiting the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. An ion type rare earth ore leaching device, comprising a base and a barrel arranged on the top of the base, a plurality of liquid outlets are circumferentially arranged on the bottom of the barrel side wall, a collection groove for receiving the liquid discharged by the liquid outlets is circumferentially arranged on the base, and a liquid outlet pipe is arranged at the bottom of the collection groove, characterized in that: an annular seat is arranged on the bottom of the barrel, the liquid outlets penetrate through the side wall of the annular seat, and two annular openings in communication with the inner bottom of the liquid outlets are coaxially arranged on the top of the annular seat, a sealing cylinder is arranged in the inner annular opening, and a filtering mechanism is arranged in the outer annular opening, the sealing cylinder is driven by an electric push rod on the outer wall of the barrel, the filtering mechanism comprises a lower annular plate I and two groups of upper coaxially arranged annular rings, the annular rings are arranged above the annular seat, the annular rings are connected with the top of the annular plate I through filtering screens, filter cloths are arranged between the two groups of filtering screens, locking bolts for locking the filter cloths are arranged between the two groups of annular rings, the collection groove is arranged below the annular seat, and a discharge mechanism is arranged in the collection groove. The outlet end of the liquid outlet is located directly above the opening of the collection groove, the discharge mechanism comprises a plurality of convex seats which are adapted to the bottom of the collection groove, the top of the side wall of the convex seat on the same side of the base is provided with a notch for accommodating two groups of annular plates II, an inner tooth ring is arranged between the two groups of annular plates II and fixedly connected with the side wall of the notch, an installation cavity corresponding to the inner tooth ring and communicating with the collection groove is arranged in the side wall of the base, a gear extending into the collection groove and meshing with the inner tooth ring is arranged in the installation cavity, and the gear is driven by a motor.

2. The ion-type rare earth ore leaching device according to claim 1, characterized in that: The bottom end of the outer annular opening is lower than the horizontal plane of the bottom end of the liquid outlet, and the top end of the annular plate I is not higher than the horizontal plane of the bottom end of the liquid outlet.

3. The ion-type rare earth ore leaching device according to claim 1, characterized in that: A fixing bolt for locking and fixing the annular ring on the annular seat is arranged on the annular ring.

4. The ion-type rare earth ore leaching device according to claim 1, characterized in that: A magnetic seat is arranged on the outer side wall of the barrel and attached to the top end of the sealing cylinder, the distance between the top end of the magnetic seat and the annular seat is not less than the depth of the annular opening, and a clamping groove for accommodating a sealing strip is circumferentially arranged on the bottom end surface of the sealing cylinder.

5. The ion-type rare earth ore leaching device according to claim 1, characterized in that: The pore size of the filtering screen is greater than the pore size of the side wall of the filter cloth.

6. The ion-type rare earth ore leaching device according to claim 1, characterized in that: ​

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