阅读说明：本技术 一种稀土加工用稀土快速杂质过滤设备 (Rare earth processing is with quick impurity filtering equipment of tombarthite ) 是由 罗晓飞 张晖 张莉 谢林平 于 2021-08-13 设计创作，主要内容包括：本发明公开了一种稀土加工用稀土快速杂质过滤设备,包括固定底板、储液筒、旋转筒、溶解筒和离心筒,所述固定底板顶面安装有第一支撑架,且第一支撑架上固定安装有储液筒,所述储液筒底面中央安装有安装轴承,且安装轴承安装连接离心筒底端,并且离心筒固定安装在旋转筒内腔中央,所述固定底板顶面安装有第二支撑架,且第二支撑架上固定安装有溶解筒,并且溶解筒内腔安装有搅拌轴。本发明通过设置的溶解筒能够使杂质中未完全溶解的稀土矿物质完全溶解,降低稀土资源的浪费,且能够在不增设额外动力驱动装置的前提下,采用离心过滤的方式提高杂质过滤效率,并且能够在不停机的前提下,清理过滤网堵塞的杂质,并将清理下来的杂质导出。(The invention discloses rare earth rapid impurity filtering equipment for rare earth processing, which comprises a fixed bottom plate, a liquid storage cylinder, a rotary cylinder, a dissolving cylinder and a centrifugal cylinder, wherein a first support frame is arranged on the top surface of the fixed bottom plate, the liquid storage cylinder is fixedly arranged on the first support frame, an installation bearing is arranged in the center of the bottom surface of the liquid storage cylinder, the installation bearing is connected with the bottom end of the centrifugal cylinder in an installation manner, the centrifugal cylinder is fixedly arranged in the center of an inner cavity of the rotary cylinder, a second support frame is arranged on the top surface of the fixed bottom plate, the dissolving cylinder is fixedly arranged on the second support frame, and a stirring shaft is arranged in the inner cavity of the dissolving cylinder. According to the invention, the dissolution cylinder can completely dissolve the rare earth mineral substances which are not completely dissolved in the impurities, so that the waste of rare earth resources is reduced, the impurity filtering efficiency can be improved by adopting a centrifugal filtering mode on the premise of not additionally arranging an additional power driving device, the impurities blocked by the filter screen can be cleaned without stopping the machine, and the cleaned impurities can be led out.)

1. A rare earth rapid impurity filtering device for rare earth processing comprises a fixed base plate (1), a liquid storage cylinder (2), a rotary cylinder (3), a dissolving cylinder (4) and a centrifugal cylinder (6), and is characterized in that a first support frame (30) is installed on the top surface of the fixed base plate (1), the liquid storage cylinder (2) is fixedly installed on the first support frame (30), an installation bearing (5) is installed in the center of the bottom surface of the liquid storage cylinder (2), the installation bearing (5) is installed and connected with the bottom end of the centrifugal cylinder (6), the centrifugal cylinder (6) is fixedly installed in the center of the inner cavity of the rotary cylinder (3), a second support frame (31) is installed on the top surface of the fixed base plate (1), the dissolving cylinder (4) is fixedly installed on the second support frame (31), a stirring shaft (8) is installed in the inner cavity of the dissolving cylinder (4), one end of the stirring shaft (8) is connected with the output end of a stirring motor (7), and the other end of the stirring shaft (8) is connected with a first bevel gear (9), the side surface of the dissolving cylinder (4) is fixedly provided with a mounting plate (10), the center of the bottom surface of the mounting plate (10) is provided with a linkage rotating shaft (12), a second bevel gear (11) is arranged on the linkage rotating shaft (12), the first bevel gear (9) is meshed with the second bevel gear (11), the bottom end of the linkage rotating shaft (12) is provided with a driving gear (13), the side surface of the rotating cylinder (3) is provided with a driven gear ring (14), and the driven gear ring (14) is meshed with the driving gear (13).

2. The rare earth rapid impurity filtering device for rare earth processing as claimed in claim 1, wherein a plurality of stirring paddles (26) are uniformly installed on the stirring shaft (8), a heater (25) is installed on the side wall of the inner cavity of the dissolving cylinder (4), the top surface of the dissolving cylinder (4) is uniformly communicated with a plurality of feed hoppers (20), a first metering valve (21) is installed on each feed hopper (20), a plurality of liquid replenishing pipes (22) are uniformly communicated with the top surface of the dissolving cylinder (4), and a second metering valve (23) is installed on each liquid replenishing pipe (22).

3. The rare earth rapid impurity filtering equipment for rare earth processing as claimed in claim 1, wherein the dissolving cylinder (4) is communicated with a first connecting pipe (16) in the center of the bottom surface, a blanking valve (17) is installed on the first connecting pipe (16), a second annular slider (36) is installed on the outer side wall of the first connecting pipe (16), a second connecting pipe (18) is communicated with the top of the centrifugal cylinder (6), a second annular chute (35) is installed on the inner side wall of the second connecting pipe (18), and a second annular slider (36) is embedded in the second annular chute (35) in a clamping manner.

4. The rare earth rapid impurity filtering device for rare earth processing as claimed in claim 1, wherein a first annular slide block (34) is installed on the outer side wall of the rotary drum (3), a first annular sliding groove (33) is installed on the inner side wall of the liquid storage drum (2), and the first annular slide block (34) is embedded in the first annular sliding groove (33) in a clamping manner.

5. The rare earth rapid impurity filtering equipment for rare earth processing as claimed in claim 1, wherein the fixing bottom plate (1) is fixedly provided with a fixing rod (15) at the center of the top surface, the fixing rod (15) is symmetrically provided with an installation frame (37) at the inner cavity part of the centrifugal cylinder (6), the cleaning brushes (38) are symmetrically provided at the two side surfaces of the installation frame (37), the centrifugal cylinder (6) is provided with a filter screen (27) at the inner cavity part of the rotary cylinder (3), and the inner wall of the filter screen (27) is abutted to the cleaning brushes (38).

6. The rare earth rapid impurity filtering equipment for rare earth processing as claimed in claim 5, wherein the bottom end of the centrifugal cylinder (6) is connected with a material extruding head (32), and the fixing rod (15) is provided with an extruding screw (29) at the bottom end of the centrifugal cylinder (6) and the inner cavity part of the material extruding head (32).

7. The rare earth rapid impurity filtering device for rare earth processing according to claim 1, wherein the bottom surface of the rotary drum (3) is symmetrically communicated with liquid outlet pipes (28), and the liquid outlet pipes (28) are communicated with the inner cavity of the liquid storage drum (2).

8. The rare earth rapid impurity filtering device for rare earth processing according to claim 1, wherein the two side surfaces of the liquid storage barrel (2) are symmetrically communicated with discharging pipes (24).

9. The rare earth rapid impurity filtering apparatus for rare earth working according to claim 1, wherein an observation window (19) is installed at a side surface of the dissolution cylinder (4).

10. The rare earth rapid impurity filtering device for rare earth processing as claimed in claim 1, wherein a control panel is installed on the side surface of the dissolving cylinder (4), and the control panel is electrically connected with the stirring motor (7), the first metering valve (21), the second metering valve (23), the heater (25) and the blanking valve (17).

Technical Field

The invention relates to the technical field of rare earth processing, in particular to rare earth rapid impurity filtering equipment for rare earth processing.

Background

Rare earth is a general name of seventeen metal elements including lanthanide elements, scandium and yttrium in a periodic table of elements, and is a precious resource, rare earth in rare earth concentrate is generally in the form of carbonate, fluoride, phosphate, oxide or silicate which is difficult to dissolve in water, and the rare earth must be converted into a compound which is soluble in water or inorganic acid through various chemical changes, and various mixed rare earth compounds are prepared through the procedures of dissolving, separating, purifying, concentrating or burning and the like and are used as products or raw materials for separating single rare earth.

The rare earth leaching liquid is mostly filtered through a fixed filter screen by the existing rare earth rapid impurity filtering equipment for rare earth processing, but partial impurities can contain incompletely-dissolved rare earth minerals, the impurity filtering efficiency can be reduced by directly filtering, the waste of rare earth resources can be caused, the impurity filtering efficiency of the fixed filter screen is low, an additional power driving device is required to be additionally arranged by adopting a centrifugal filtering mode, the construction cost and the power consumption of the equipment are increased, in addition, the existing filter screen of the rare earth rapid impurity filtering equipment for rare earth processing can be blocked by filtered impurities after working for a long time, the impurity filtering efficiency is influenced, the machine is required to be stopped for cleaning when the impurities are accumulated more, and the impurity filtering efficiency is further reduced.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides rare earth rapid impurity filtering equipment for processing rare earth, which can completely dissolve rare earth minerals which are not completely dissolved in impurities, reduce the waste of rare earth resources, improve the impurity filtering efficiency by adopting a centrifugal filtering mode on the premise of not additionally arranging an additional power driving device, clear impurities blocked by a filter screen on the premise of not stopping a machine, and lead out the cleared impurities.

In order to achieve the purpose, the invention adopts the following technical scheme: a rare earth rapid impurity filtering device for rare earth processing comprises a fixed bottom plate, a liquid storage cylinder, a rotary cylinder, a dissolving cylinder and a centrifugal cylinder, wherein a first support frame is arranged on the top surface of the fixed bottom plate, the liquid storage cylinder is fixedly arranged on the first support frame, a mounting bearing is arranged in the center of the bottom surface of the liquid storage cylinder, the mounting bearing is mounted and connected with the bottom end of the centrifugal cylinder, the centrifugal cylinder is fixedly arranged in the center of an inner cavity of the rotary cylinder, a second support frame is arranged on the top surface of the fixed bottom plate, the dissolving cylinder is fixedly arranged on the second support frame, a stirring shaft is arranged in the inner cavity of the dissolving cylinder, one end of the stirring shaft is connected with the output end of a stirring motor, the other end of the stirring shaft is connected with a first bevel gear, a mounting plate is fixedly arranged on the side surface of the dissolving cylinder, a linkage rotating shaft is arranged in the center of the bottom surface of the mounting plate, a second bevel gear is arranged on the linkage rotating shaft, and the first bevel gear is meshed with the second bevel gear, the driving gear is installed to interlock pivot bottom, the rotary drum side-mounting has driven ring gear, and driven ring gear and driving gear intermeshing.

As a further description of the above technical solution:

evenly install a plurality of stirring rake on the (mixing) shaft, dissolve a section of thick bamboo inner chamber side wall and install the heater, it has a plurality of feeder hopper to dissolve even intercommunication in bobbin top surface, and installs first metering valve on the feeder hopper, it has a plurality of fluid infusion pipe to dissolve even intercommunication in bobbin top surface, and installs the second metering valve on the fluid infusion pipe.

As a further description of the above technical solution:

dissolving a section of thick bamboo bottom surface central authorities intercommunication has first connecting pipe, and installs the unloading valve on the first connecting pipe to second annular slider is installed to first connecting pipe lateral wall, centrifuge tube top intercommunication has the second connecting pipe, and installs second annular spout on the second connecting pipe inside wall, and the card has second annular slider in the second annular spout.

As a further description of the above technical solution:

first annular slider is installed to the rotatory section of thick bamboo lateral wall, install first annular spout on the liquid storage cylinder inside wall, and the inlay card has first annular slider in the first annular spout.

As a further description of the above technical solution:

the centrifugal cylinder cleaning device is characterized in that a fixed rod is fixedly mounted in the center of the top surface of the fixed bottom plate, the fixed rod is located in the inner cavity of the centrifugal cylinder, the fixing frame is symmetrically mounted on the fixed rod, cleaning brushes are symmetrically mounted on the side faces of two sides of the fixing frame, a filter screen is mounted on the inner cavity of the centrifugal cylinder, and the inner wall of the filter screen is abutted to the cleaning brushes.

As a further description of the above technical solution:

the bottom end of the centrifugal cylinder is connected with a material extruding head, and the fixed rod is positioned at the bottom end of the centrifugal cylinder and the inner cavity part of the material extruding head and is provided with an extruding screw.

As a further description of the above technical solution:

the bottom surface of the rotary cylinder is symmetrically communicated with liquid outlet pipes which are communicated with the inner cavity of the liquid storage cylinder.

As a further description of the above technical solution:

the side surfaces of two sides of the liquid storage cylinder are symmetrically communicated with discharge pipes.

As a further description of the above technical solution:

an observation window is arranged on the side surface of the dissolving cylinder.

As a further description of the above technical solution:

a control panel is installed on the side face of the dissolving cylinder, and the control panel is electrically connected with the stirring motor, the first metering valve, the second metering valve, the heater and the discharging valve.

Compared with the prior art, the invention has the beneficial effects that;

1. when the rare earth mineral leaching device is used, a worker opens a first metering valve arranged on a feed hopper, a primarily dissolved rare earth leaching solution is introduced into an inner cavity of a dissolving cylinder, then a stirring motor is started to drive a stirring shaft to rotate, a stirring paddle arranged on the stirring shaft can stir the rare earth leaching solution, a heater arranged in the inner cavity of the dissolving cylinder is started to heat the leaching solution, the dissolving rate of rare earth minerals can be greatly improved, the dissolving solution is added into the leaching solution for a plurality of times by a second metering valve arranged on a liquid supplementing pipe, so that the rare earth minerals in impurities are fully dissolved, the worker can observe the dissolving condition of the rare earth substances in the impurities through an observation window arranged on the side surface of the dissolving cylinder, when the impurities are observed to be not dissolved, a blanking valve arranged on a first connecting pipe can be opened, a second annular sliding block arranged on the side surface of the first connecting pipe is clamped in a second annular sliding block arranged on the inner side of a second connecting pipe communicated with the center of the top surface of a centrifugal cylinder In the groove, the rare earth leaching solution containing impurities can be introduced into the inner cavity of the centrifugal cylinder positioned in the center of the rotary cylinder, the next impurity filtering operation is carried out, after the introduction is finished, the blanking valve is closed again to repeat the steps, and continuous operation is formed, so that the rare earth mineral substances which are not completely dissolved in the impurities are completely dissolved, the rare earth mineral substances which are not completely dissolved are prevented from being filtered together with the impurities, and the waste of rare earth resources is reduced.

2. The invention is provided with a rotary cylinder and a centrifugal cylinder, when a stirring shaft rotates, because a first bevel gear arranged at one end of the stirring shaft is meshed with a second bevel gear arranged on a linkage rotating shaft arranged on the bottom surface of a mounting plate, the linkage rotating shaft rotates along with the rotation of the stirring shaft, because a driving gear arranged at the bottom end of the linkage rotating shaft is meshed with a driven gear ring arranged on the side surface of the rotary cylinder, the centrifugal cylinder is arranged in the center of the rotary cylinder, the bottom end of the centrifugal cylinder is arranged in a mounting bearing positioned in the center of the bottom surface of a liquid storage cylinder, a first annular sliding block arranged on the side surface of the rotary cylinder is clamped in a first annular sliding groove arranged on the inner wall of the liquid storage cylinder, and in addition, as mentioned above, a second annular sliding block arranged on the side surface of a first connecting pipe is clamped in a second annular sliding groove arranged on the inner side surface of a second connecting pipe, so that the linkage rotating shaft can drive the rotary cylinder and the centrifugal cylinder to rotate along the mounting bearing, the centrifugal cylinder side-mounting has the filter screen, thereby realized that the tombarthite leaching solution that contains impurity to leading-in centrifugal cylinder inner chamber carries out the impurity filtering, pure tombarthite leaching solution is filtered to rotatory section of thick bamboo inner chamber, and get into the liquid storage cylinder inner chamber through the drain pipe of installing in rotatory section of thick bamboo bottom surface, the tombarthite leaching solution after workman's accessible is installed at the discharging pipe of liquid storage cylinder side and will be filtered is derived, and then realized can not addding under extra power drive device's the prerequisite, adopt centrifugal filterable mode to improve impurity filtration efficiency's purpose.

3. The invention is provided with a fixed rod which is fixedly arranged in the center of the top surface of a fixed bottom plate, the fixed rod is positioned in the inner cavity part of a centrifugal cylinder, mounting frames are symmetrically arranged on the fixed rod, and a cleaning brush which is abutted against a filter screen is arranged on the side surface of the mounting frame, when the centrifugal cylinder rotates, the cleaning brush and the filter screen rotate relatively, the cleaning brush can clean impurities blocked on the filter screen, so that the impurities deposit on the bottom end of the centrifugal cylinder is ensured, the impurity filtering efficiency of the filter screen is ensured, additional electric power is not consumed in the process, the invention is more energy-saving and environment-friendly, in addition, the fixed rod is positioned at the bottom end of the centrifugal cylinder and the inner cavity part of a material extruding head is provided with an extruding screw, when the centrifugal cylinder rotates, the extruding screw rotates relatively to the centrifugal cylinder, the impurities deposit on the bottom end of the centrifugal cylinder can be extruded, the filtered deposit is extruded and dehydrated through the material extruding head, and the accumulated impurities are not required to be cleaned up by manual shutdown, not only practiced thrift the manpower, can guarantee the continuous operation of equipment moreover, further improved a tombarthite for processing impurity filtration efficiency of quick impurity filtration equipment of tombarthite.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of an appearance structure of a rare earth rapid impurity filtering device for rare earth processing according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a rare earth rapid impurity filtering device for rare earth processing according to the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A in accordance with the present invention;

FIG. 4 is an enlarged view of FIG. 2 at B according to the present invention;

FIG. 5 is an enlarged view of FIG. 2 at C according to the present invention;

FIG. 6 is a perspective view of a fixing rod of the rare earth rapid impurity filtering device for rare earth processing according to the present invention;

fig. 7 is a perspective view of a first connection pipe and a second connection pipe of the rare earth rapid impurity filtering device for rare earth processing according to the present invention.

Illustration of the drawings:

1. fixing the bottom plate; 2. a liquid storage cylinder; 3. a rotary drum; 4. a dissolving cylinder; 5. mounting a bearing; 6. a centrifugal cylinder; 7. a stirring motor; 8. a stirring shaft; 9. a first bevel gear; 10. mounting a plate; 11. a second bevel gear; 12. a rotating shaft is linked; 13. a driving gear; 14. a driven gear ring; 15. fixing the rod; 16. a first connecting pipe; 17. a discharge valve; 18. a second connecting pipe; 19. an observation window; 20. a feed hopper; 21. a first metering valve; 22. a liquid supplementing pipe; 23. a second metering valve; 24. a discharge pipe; 25. a heater; 26. a stirring paddle; 27. a filter screen; 28. a liquid outlet pipe; 29. extruding the screw; 30. a first support frame; 31. a second support frame; 32. extruding a stub bar; 33. a first annular chute; 34. a first annular slider; 35. a second annular chute; 36. a second annular slider; 37. a mounting frame; 38. a cleaning brush.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases by those of ordinary skill in the art:

in the first embodiment, a rare earth rapid impurity filtering device for rare earth processing comprises a fixed base plate 1, a liquid storage cylinder 2, a rotary cylinder 3, a dissolving cylinder 4 and a centrifugal cylinder 6, wherein a first support frame 30 is installed on the top surface of the fixed base plate 1, the liquid storage cylinder 2 is fixedly installed on the first support frame 30, an installation bearing 5 is installed in the center of the bottom surface of the liquid storage cylinder 2, the installation bearing 5 is installed and connected with the bottom end of the centrifugal cylinder 6, the centrifugal cylinder 6 is fixedly installed in the center of an inner cavity of the rotary cylinder 3, a second support frame 31 is installed on the top surface of the fixed base plate 1, the dissolving cylinder 4 is fixedly installed on the second support frame 31, a stirring shaft 8 is installed in the inner cavity of the dissolving cylinder 4, one end of the stirring shaft 8 is connected with the output end of a stirring motor 7, the other end of the stirring shaft 8 is connected with a first bevel gear 9, an installation plate 10 is fixedly installed on the side surface of the dissolving cylinder 4, and a linkage rotating shaft 12 is installed in the center of the bottom surface of the installation plate 10, and the linkage rotating shaft 12 is provided with a second bevel gear 11, the first bevel gear 9 is meshed with the second bevel gear 11, the bottom end of the linkage rotating shaft 12 is provided with a driving gear 13, the side surface of the rotary drum 3 is provided with a driven gear ring 14, and the driven gear ring 14 is meshed with the driving gear 13, so that the aim of improving the impurity filtering efficiency by adopting a centrifugal filtering mode is fulfilled on the premise of not additionally arranging an additional power driving device.

Embodiment two, evenly install a plurality of stirring rake 26 on the (mixing) shaft 8, dissolve a 4 intracavity lateral wall and install heater 25, dissolve a 4 top surfaces even intercommunication of section of thick bamboo and have a plurality of feeder hopper 20, and install first metering valve 21 on the feeder hopper 20, dissolve a 4 top surfaces even intercommunication of section of thick bamboo and have a plurality of fluid infusion pipe 22, and install second metering valve 23 on the fluid infusion pipe 22, the rare earth mineral substance that has played to guarantee in the impurity not totally dissolved dissolves completely dissolves, avoided the rare earth mineral substance that does not dissolve to be filtered along with impurity together, reduce the waste of rare earth resource.

In the third embodiment, the center of the bottom surface of the dissolution cylinder 4 is communicated with the first connecting pipe 16, the blanking valve 17 is installed on the first connecting pipe 16, the second annular slide block 36 is installed on the outer side wall of the first connecting pipe 16, the top of the centrifugal cylinder 6 is communicated with the second connecting pipe 18, the second annular slide groove 35 is installed on the inner side wall of the second connecting pipe 18, the second annular slide block 36 is embedded in the second annular slide groove 35 in a clamping manner, and the effect that the rare earth leaching solution containing impurities can be introduced into the inner cavity of the centrifugal cylinder 6 located in the center of the rotary cylinder 3 is achieved.

Fourth, first annular slider 34 is installed to the lateral wall of rotary drum 3, installs first annular spout 33 on the liquid storage cylinder 2 inside wall, and the embedded first annular slider 34 that has of first annular spout 33.

Fifth embodiment, 1 top surface central authorities of PMKD have the dead lever 15, and the dead lever 15 is located centrifuge bowl 6 inner chamber part symmetry and installs mounting bracket 37, and mounting bracket 37 both sides side symmetry installs cleaning brush 38, centrifuge bowl 6 is located 3 inner chamber parts of rotary drum and installs filter screen 27, and filter screen 27 inner wall and cleaning brush 38 butt each other, it can carry out the scrubbing to the impurity of jam on filter screen 27 to have played and handle, make impurity deposit fall into centrifuge bowl 6 bottom, the impurity filtration efficiency of filter screen 27 has been ensured, and this in-process does not consume extra electric power, more energy-concerving and environment-protective effect.

Sixth, 6 bottoms of centrifuge tube are connected with crowded stub bar 32, and dead lever 15 is located 6 bottoms of centrifuge tube and crowded stub bar 32 inner chamber parts and installs extrusion screw 29, has played and has need not artifical shut down and clear up the impurity of accumulation, has not only practiced thrift the manpower, can guarantee the continuous operation of equipment moreover, has further improved a rare earth processing with quick impurity filtration equipment's of tombarthite impurity filtration efficiency's effect.

Seventh embodiment, 3 bottom surfaces of the rotary drum are symmetrically communicated with the liquid outlet pipes 28, and the liquid outlet pipes 28 are communicated with the inner cavity of the liquid storage barrel 2, thereby playing a role in guiding the rare earth leaching liquid filtered to the inner cavity of the rotary drum 3 into the inner cavity of the liquid storage barrel 2.

In the eighth embodiment, the discharge pipes 24 are symmetrically communicated with the side surfaces of the two sides of the liquid storage cylinder 2, so that the effect of discharging filtered rare earth leaching liquid is achieved.

In the ninth embodiment, the side surface of the dissolving cylinder 4 is provided with the observation window 19, which plays a role of facilitating the workers to observe the dissolving condition of the rare earth substances in the impurities.

In the tenth embodiment, a control panel is installed on the side surface of the dissolving cylinder 4, and the control panel is electrically connected with the stirring motor 7, the first metering valve 21, the second metering valve 23, the heater 25 and the blanking valve 17, so that the operation of the control device is realized.

The working principle is as follows: the invention is provided with a dissolving cylinder 4, when in use, a worker opens a first metering valve 21 arranged on a feed hopper 20, the preliminarily dissolved rare earth leaching solution is led into the inner cavity of the dissolving cylinder 4, then a stirring motor 7 is started to drive a stirring shaft 8 to rotate, a stirring paddle 26 arranged on the stirring shaft 8 can stir the rare earth leaching solution, a heater 25 arranged on the inner cavity of the dissolving cylinder 4 is started to heat the leaching solution, the dissolving rate of rare earth minerals can be greatly improved, the dissolving solution is added into the leaching solution for a small amount of times through a second metering valve 23 arranged on a liquid supplementing pipe 22, so that the rare earth minerals in impurities are fully dissolved, the worker can observe the dissolving condition of the rare earth substances in the impurities through an observation window 19 arranged on the side surface of the dissolving cylinder 4, and can open a blanking valve 17 arranged on a first connecting pipe 16 when observing that the impurities are not dissolved any more, the second annular slide block 36 arranged on the side surface of the first connecting pipe 16 is clamped and embedded in the second annular slide groove 35 arranged on the inner side of the second connecting pipe 18 communicated with the center of the top surface of the centrifugal cylinder 6, so that the rare earth leaching solution containing impurities can be guided into the inner cavity of the centrifugal cylinder 6 positioned in the center of the rotary cylinder 3 for the next impurity filtering operation, after the guiding operation is finished, the blanking valve 17 is closed again to repeat the steps to form continuous operation, thereby ensuring that the rare earth mineral substances which are not completely dissolved in the impurities are completely dissolved, avoiding the phenomenon that the undissolved rare earth mineral substances are filtered along with the impurities, and reducing the waste of rare earth resources, in addition, the rotary cylinder 3 and the centrifugal cylinder 6 are arranged, when the stirring shaft 8 rotates, because the first bevel gear 9 arranged at one end of the stirring shaft 8 is meshed with the second bevel gear 11 arranged on the linkage rotating shaft 12 arranged on the bottom surface of the mounting plate 10, the linkage rotating shaft 12 rotates along with the stirring shaft 8, and because the driving gear 13 installed at the bottom end of the linking rotating shaft 12 is engaged with the driven gear ring 14 installed at the side surface of the rotating cylinder 3, and the centrifugal cylinder 6 is installed at the center of the rotating cylinder 3, and the bottom end of the centrifugal cylinder 6 is installed in the installation bearing 5 located at the center of the bottom surface of the liquid storage cylinder 2, the first annular slide block 34 installed at the side surface of the rotating cylinder 3 is embedded in the first annular slide groove 33 installed at the inner wall of the liquid storage cylinder 2, and as mentioned above, the second annular slide block 36 installed at the side surface of the first connecting pipe 16 is embedded in the second annular slide groove 35 installed at the inner side of the second connecting pipe 18, so the linking rotating shaft 12 can drive the rotating cylinder 3 and the centrifugal cylinder 6 to rotate along the installation bearing 5, the filter screen 27 is installed at the side surface of the centrifugal cylinder 6, thereby realizing the impurity filtration of the rare earth leaching solution containing impurities led into the inner cavity of the centrifugal cylinder 6, and the pure rare earth leaching solution is filtered to the inner cavity of the rotating cylinder 3, the rare earth leaching solution after filtration can be led out by a worker through a discharge pipe 24 arranged on the side surface of the liquid storage barrel 2, and further, the aim of improving the impurity filtration efficiency by adopting a centrifugal filtration mode under the premise of not adding an additional power driving device is achieved, in addition, a fixed rod 15 is arranged, the fixed rod 15 is fixedly arranged in the center of the top surface of a fixed bottom plate 1, an installation frame 37 is symmetrically arranged on the part, located in the inner cavity of a centrifugal barrel 6, of the fixed rod 15, a cleaning brush 38 which is abutted against a filter screen 27 is arranged on the side surface of the installation frame 37, when the centrifugal barrel 6 rotates, the cleaning brush 38 and the filter screen 27 rotate relatively, the cleaning brush 38 can clean the impurities blocked on the filter screen 27, so that the impurities precipitate into the bottom end of the centrifugal barrel 6, and the impurity filtration efficiency of the filter screen 27 is ensured, and this in-process does not consume extra electric power, and is more energy-concerving and environment-protective, dead lever 15 is located centrifuge bowl 6 bottom and crowded stub bar 32 inner chamber part and installs extrusion spiral 29 in addition, when centrifuge bowl 6 rotates, extrusion spiral 29 rotates relative centrifuge bowl 6, can extrude the impurity that falls in centrifuge bowl 6 bottom and deposit, extrude filterable sediment extrusion dehydration through crowded stub bar 32, need not artifical shut down and clear up the impurity that accumulates, the manpower has not only been practiced thrift, and can guarantee the continuous operation of equipment, the impurity filtration efficiency of a rare earth processing is with quick impurity filtration equipment of tombarthite has further been improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.