CN110215736B - Centrifugal extraction and separation equipment for rare earth high-purity oxide - Google Patents
Centrifugal extraction and separation equipment for rare earth high-purity oxide Download PDFInfo
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- CN110215736B CN110215736B CN201910543617.0A CN201910543617A CN110215736B CN 110215736 B CN110215736 B CN 110215736B CN 201910543617 A CN201910543617 A CN 201910543617A CN 110215736 B CN110215736 B CN 110215736B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0446—Juxtaposition of mixers-settlers
- B01D11/0457—Juxtaposition of mixers-settlers comprising rotating mechanisms, e.g. mixers, mixing pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0476—Moving receptacles, e.g. rotating receptacles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0217—Separation of non-miscible liquids by centrifugal force
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Abstract
The invention relates to centrifugal extraction separation equipment, in particular to centrifugal extraction separation equipment for rare earth high-purity oxides. The technical problem of the invention is that: the rare earth high-purity oxide centrifugal extraction separation equipment can be used for separating heavy-phase liquid from light-phase liquid, preventing the light-phase liquid from being thrown out along with the heavy-phase liquid and accelerating the liquid mixing speed. The technical scheme is as follows: a centrifugal extraction separation device for rare earth high-purity oxide comprises an outer cylinder, a heavy phase inlet, a light phase outlet and the like; the upper part of the left wall of the outer barrel is provided with a heavy phase inlet, and the left wall of the outer barrel at the upper part of the heavy phase inlet is provided with a light phase outlet. According to the invention, the light-phase liquid and the heavy-phase liquid are isolated by the accelerated mixing device, so that the light-phase liquid and the heavy-phase liquid can be better isolated and thrown out, the separation effect is improved, the distance between the arc-shaped plates is adjusted according to the amount of the light-phase liquid, the light-phase liquid can be better accommodated between the arc-shaped plates, and the requirements of users are met.
Description
Technical Field
The invention relates to centrifugal extraction separation equipment, in particular to centrifugal extraction separation equipment for rare earth high-purity oxides.
Background
The centrifugal extractor is a fast and efficient extraction device. It can make the mixing and separation of material flow have higher performance than general equipment. In the production process of rare earth, rare earth high-purity oxide is often required to be extracted, and centrifugal extraction is a common way for extracting rare earth high-purity oxide.
The centrifugal extraction device comprises an outer barrel, an inner barrel, a heavy phase liquid, a light phase liquid, a heavy phase liquid, a light phase liquid and a light phase liquid.
In addition, when the liquid is added into the outer cylinder, the types of the liquid can be various, and after the liquid is directly added into the outer cylinder, the liquid is directly sucked into the rotating drum by the rotating drum, and the liquid is sucked into the rotating drum once regardless of the amount of the liquid, so that a longer time is needed during mixing.
Disclosure of Invention
In order to overcome the defects that the prior heavy-phase liquid and light-phase liquid are not separated and the liquid mixing speed is slow, the invention has the technical problems that: the rare earth high-purity oxide centrifugal extraction separation equipment can be used for separating heavy-phase liquid from light-phase liquid, preventing the light-phase liquid from being thrown out along with the heavy-phase liquid and accelerating the liquid mixing speed.
The technical scheme is as follows: the utility model provides a tombarthite high-purity oxide centrifugal extraction splitter, includes urceolus, heavy phase import, light phase export, light phase import, heavy phase export, power supply device, rotary drum and mixing arrangement with higher speed, urceolus left wall upper portion is equipped with the heavy phase import, be equipped with the light phase export on the urceolus left wall on heavy phase import upper portion, urceolus right wall upper portion is equipped with the light phase import, be equipped with the heavy phase export on the urceolus right wall on light phase import upper portion, urceolus upper portion is equipped with the power supply device that provides power for the liquid mixture, the power supply device stretches into in the urceolus, the last rotary drum that installs of power supply device, the rotary drum is in the urceolus, install mixing arrangement with higher speed in the rotary drum.
Optionally, the power supply device comprises a motor, a bearing seat, a hollow shaft and a gear, the motor is installed on the upper portion of the outer barrel, the bearing seat is installed in the center of the top of the outer barrel, the hollow shaft is installed in the bearing seat, the gears are arranged at the output end of the motor and the upper portion of the hollow shaft, the gears are meshed, the hollow shaft extends into the outer barrel, and the rotary drum is connected to the bottom end of the hollow shaft.
Optionally, the power supply device further comprises a shell, wherein the shell is arranged above the outer barrel and covers the power supply device.
Optionally, mixing arrangement is including branch, cross, guide pin bushing, arc and first elastic component with higher speed, branch installs the bottom in the urceolus, be connected with the cross between the top of branch, sliding connection has two at least guide pin bushings on the cross, all be connected with first elastic component between guide pin bushing and the cross, the guide pin bushing top is connected with the arc, the arc top is connected through the cross the same with the bottom, guide pin bushing and first elastic component.
Optionally, the hollow shaft further comprises an L-shaped connecting rod, a track, a screw rod and a four-way push rod, wherein the L-shaped connecting rod is inserted into the hollow shaft, the bottom end of the L-shaped connecting rod is connected with the four-way push rod, guide grooves matched with the four-way push rod are formed in the inner sides of the arc plates, a straight hole is formed in the right wall of the shell, the track is installed in the straight hole, the L-shaped connecting rod is connected with the track in a sliding mode, the L-shaped connecting rod penetrates through the straight hole, a threaded hole is formed in the upper portion of the L-shaped connecting rod, the screw rod is matched with the threaded hole, and.
Optionally, the clearance adjusting device comprises two clearance adjusting devices, the clearance adjusting devices are arranged at the bottom in the outer barrel and comprise pistons, nuts, threaded rods, guide sleeves, guide rods, cylindrical barrels, second elastic pieces and elastic plates, L-shaped holes penetrating through the outer barrel are formed in the left side and the right side of the lower portion of the outer barrel, the pistons are arranged on the upper portion and the lower portion of each L-shaped hole, the nuts are arranged on the left side and the right side of the lower portion of the outer barrel and are matched with the threaded rods, the inner ends of the threaded rods are in contact with the lower portion of the pistons, the top of the upper portion of the piston is connected with the guide rods, the guide sleeves providing up-and-down guiding for the guide rods are arranged on the left side and the right side of the inner bottom of the outer barrel, the cylindrical barrels are connected with the guide sleeves and the upper portion, the elastic plate is arranged at the bottom in the outer barrel and is positioned above the cylindrical barrel.
Optionally, the drum type washing machine further comprises an annular wheel rail, at least two mounting blocks and rollers, wherein the annular wheel rail is horizontally arranged in the outer drum, the mounting blocks are arranged on the drum, and the rollers matched with the annular wheel rail are arranged on the mounting blocks.
The invention has the beneficial effects that: according to the invention, the light-phase liquid and the heavy-phase liquid are isolated by the accelerated mixing device, so that the light-phase liquid and the heavy-phase liquid can be better isolated and thrown out, the separation effect is improved, the distance between the arc plates is adjusted according to the amount of the light-phase liquid, so that the light-phase liquid can be better accommodated between the arc plates, the requirements of users are met, the speed of the raw material liquid and the extraction agent entering the rotary drum is different by adjusting the gap between the elastic plate and the rotary drum, and the raw material liquid and the extraction agent can be better and faster mixed.
Drawings
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic front view of an accelerated mixing apparatus according to the present invention.
FIG. 3 is a schematic top view of an accelerated mixing apparatus according to the present invention.
Fig. 4 is a front view of the gap adjusting device of the present invention.
In the figure: the device comprises an outer cylinder 1, a heavy phase inlet 2, a light phase outlet 3, a light phase inlet 4, a heavy phase outlet 5, a shell 6, a motor 7, a bearing seat 8, a hollow shaft 9, a gear 10, a rotary drum 11, an accelerated mixing device 12, a strut 121, a cross 122, a guide sleeve 123, an arc-shaped plate 124, a first elastic part 125, a connecting rod 13L, a straight hole 14, a track 15, a screw rod 16, a threaded hole 17, a guide groove 171, a push rod 172 in four directions, an adjusting device 18, a hole 181L, a piston 182, a nut 183, a threaded rod 184, a guide sleeve 185, a guide rod 186, a cylindrical cylinder 187, a second elastic part 188, an elastic plate 189, an annular wheel rail 19, a mounting block 20 and a roller 21.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Example 1
A centrifugal extraction separation device for rare earth high-purity oxide is shown in figure 1-3, and comprises an outer cylinder 1, a heavy phase inlet 2, a light phase outlet 3, a light phase inlet 4, a heavy phase outlet 5, a power supply device, a rotary drum 11 and an accelerated mixing device 12, the upper part of the left wall of the outer cylinder 1 is provided with a heavy phase inlet 2, the left wall of the outer cylinder 1 at the upper part of the heavy phase inlet 2 is provided with a light phase outlet 3, the upper part of the right wall of the outer cylinder 1 is provided with a light phase inlet 4, the right wall of the outer cylinder 1 at the upper part of the light phase inlet 4 is provided with a heavy phase outlet 5, the upper part of the outer cylinder 1 is provided with a power supply device for supplying power for liquid mixing, the power supply device extends into the outer cylinder 1, the power supply device is provided with a rotating drum 11, the rotating drum 11 is arranged in the outer drum 1, an accelerating mixing device 12 is arranged in the outer drum 1, and the accelerating mixing device 12 is arranged in the rotating drum 11.
The working principle is as follows: when the device works, firstly, raw materials are added into an outer barrel 1 through a heavy phase inlet 2, meanwhile, an extracting agent is added into the outer barrel 1 through a light phase inlet 4, after the addition of raw material liquid and the extracting agent is finished, a power supply device is controlled to start working, the power supply device transmits power to a rotary barrel 11 to drive the rotary barrel 11 to rotate at a high speed, two-phase liquid enters a complex vortex and turbulent state to mix the raw material liquid and the extracting agent, meanwhile, the rotary liquid is sucked into the rotary barrel 11, the heavy phase liquid with high density is thrown to the inner wall of the rotary barrel 11 under the action of centrifugal force, the light phase liquid with low density is extruded in the middle of the rotary barrel 11, so that the light phase and the heavy phase in the raw material liquid and the extracting agent are separated, the separated heavy phase liquid is thrown out through an outlet on the right side of the rotary barrel 11 and then flows out through a heavy phase outlet 5, the separated light phase liquid is thrown out through an outlet in, then the rare earth high-purity oxide can be extracted and separated by flowing out from the light phase outlet 3, in the rotating process of the rotary drum 11, the accelerating mixing device 12 cannot rotate, and the light phase liquid with low density can be concentrated in the accelerating mixing device 12, so that the light phase liquid and the heavy phase liquid can be better separated and thrown out, and the separation effect is improved. And after the extraction of the rare earth high-purity oxide is finished, the user controls the power supply device to stop working.
As shown in fig. 1, the power supply device includes a housing 6, a motor 7, a bearing seat 8, a hollow shaft 9 and a gear 10, the motor 7 is installed on the upper portion of the outer cylinder 1, the bearing seat 8 is installed in the center of the top of the outer cylinder 1, the hollow shaft 9 is installed in the bearing seat 8, the gears 10 are respectively arranged on the output end of the motor 7 and the upper portion of the hollow shaft 9, the gears 10 are meshed, the hollow shaft 9 extends into the outer cylinder 1, the rotating cylinder 11 is connected to the bottom end of the hollow shaft 9, and the housing 6 is installed above the outer cylinder 1 and covers the power supply device.
The working principle is as follows: when the rotary drum 11 needs to be provided with rotating power, the control motor 7 rotates to drive the gear 10 to rotate, and further drive the hollow shaft 9 to rotate, so that the rotary drum 11 rotates, when the rotary drum 11 does not need to be provided with power, the control motor 7 stops working, and the shell 6 can protect the power supply device.
Example 2
As shown in fig. 2 and 3, the accelerating and mixing device 12 includes a supporting rod 121, a cross 122, guide sleeves 123, an arc-shaped plate 124 and a first elastic member 125, the supporting rod 121 is installed at the bottom of the outer cylinder 1, the cross 122 is connected between the tops of the supporting rods 121, the four guide sleeves 123 are slidably connected on the cross 122, the first elastic member 125 is connected between the guide sleeves 123 and the cross 122, the first elastic member 125 may be an extension spring, a common spring, an air spring, etc., the arc-shaped plate 124 is connected to the top of the guide sleeve 123, and the top of the arc-shaped plate 124 is connected to the first elastic member 125 through the cross 122, the guide sleeves 123 and the same bottom.
The working principle is as follows: when the mixed liquid in the rotary drum 11 rotates, the light-phase liquid enters the space between the arc plates 124 through the gaps between the arc plates 124, the heavy-phase liquid is thrown out from the gaps between the arc plates 124, and the arc plates 124 have an isolation effect on the light-phase liquid and the heavy-phase liquid, so that the light-phase liquid can better flow out from the opening in the upper part of the rotary drum 11, and the heavy-phase liquid and the light-phase liquid can be better separated.
Example 3
As shown in fig. 1, on the basis of embodiments 1 and 2, in order to better contain the light-phase liquid, the liquid container further includes an L-shaped connecting rod 13, a rail 15, a screw 16 and a four-way push rod 172, the L-shaped connecting rod 13 is inserted into the hollow shaft 9, the four-way push rod 172 is connected to the bottom end of the L-shaped connecting rod 13, guide grooves 171 matched with the four-way push rod 172 are formed in the inner sides of the arc plates 124, a straight hole 14 is formed in the right wall of the housing 6, the rail 15 is installed in the straight hole 14 through a bolt, the L-shaped connecting rod 13 is connected with the rail 15 in a sliding manner, the L-shaped connecting rod 13 penetrates through the straight hole 14, a threaded hole 17 is formed in the upper portion of the L-shaped connecting rod 13, the screw 16 is matched with the threaded hole 17, and the.
The working principle is as follows: when the amount of the light phase liquid is large, a user can rotate the screw 16 to drive the L-shaped connecting rod 13 to move downwards, further drive the four-way push rod 172 to move downwards along the guide groove 171 to prop the arc-shaped plate 124 outwards, the first elastic part 125 is stretched, when the arc-shaped plate 124 props outwards to a required position, the screw 16 stops rotating, when the amount of the light phase liquid is small, the screw 16 rotates in the opposite direction to drive the L-shaped connecting rod 13 to move upwards, so that the four-way push rod 172 moves upwards along the guide groove 171, the first elastic part 125 contracts to drive the arc-shaped plate 124 to move inwards, when the arc-shaped plate 124 moves inwards to a required position, the screw 16 stops rotating, so that the distance between the arc-shaped plates 124 can be adjusted according to the amount of the light phase liquid, and the light phase liquid can be better accommodated between the arc-shaped plates 124.
As shown in fig. 4, in order to better mix the raw material liquid and the extractant, the gap adjusting device 18 is further included, two gap adjusting devices 18 are provided, the gap adjusting devices 18 are installed at the bottom of the outer barrel 1, each gap adjusting device 18 includes a piston 182, a nut 183, a threaded rod 184, a guide sleeve 185, a guide rod 186, a cylindrical barrel 187, a second elastic member 188 and an elastic plate 189, the left and right sides of the lower portion of the outer barrel 1 are respectively provided with an L-shaped hole 181 penetrating through the inside and the outside of the outer barrel 1, the upper portion and the lower portion of each L-shaped hole 181 are respectively provided with a piston 182, the left and the right sides of the lower portion of the outer barrel 1 are respectively provided with a nut 183, the threaded rod 184 is respectively matched in each nut, the inner end of the threaded rod 184 is in contact with the piston 182 at the lower portion, the top of the piston 182 at the, the top ends of the guide rods 186 are connected with a cylindrical tube 187, a second elastic member 188 is connected between the guide sleeve 185 and the upper piston 182, the second elastic member 188 may be a compression spring, a common spring, a gas spring, etc., there are two elastic plates 189, the elastic plates 189 are installed at the bottom of the outer tube 1 and are located above the cylindrical tube 187, and the elastic plates 189 are made of elastic material.
The working principle is as follows: since the amounts of the raw material liquid and the extractant are different, after the raw material liquid and the extractant are put into the outer tub 1, they are sucked into the drum 11 and mixed, which takes a longer time, and at this time, depending on the amounts of the raw material liquid and the extractant, the threaded rod 184 is rotated inward or outward, and when the threaded rod 184 is rotated inward, the guide rod 186 is pushed by the piston 182 to move upward, the second elastic member 188 is compressed, the guide rod 186 moves upward to move the cylindrical tub 187 upward, the elastic plate 189 is lifted upward, the gap between the elastic plate 189 and the drum 11 is reduced, so that the speed of the raw material liquid and the extractant entering the drum 11 is reduced, and when the threaded rod 184 is rotated outward, the second elastic member 188 is reset to move the piston 182 downward to move the guide rod 186 downward to move the cylindrical tub 187 downward, the elastic plate 189 is flattened, the gap between the resilient plate 189 and the bowl 11 becomes larger and the rate of feed solution and extractant entering the bowl 11 is faster, so that the user can rotate the threaded rod 184 according to the amount of feed solution and extractant, so that the feed solution and extractant entering the bowl 11 at different rates and can be mixed better and faster.
As shown in fig. 1, in order to improve the working stability of the equipment, the equipment further comprises an annular wheel rail 19, two mounting blocks 20 and rollers 21, wherein the annular wheel rail 19 is horizontally mounted in the outer cylinder 1 through bolts, the mounting blocks 20 are mounted on the rotary drum 11, and the rollers 21 matched with the annular wheel rail 19 are mounted on the mounting blocks 20.
The working principle is as follows: the annular wheel rail 19, the mounting block 20 and the roller 21 can play a supporting role in the process of high-speed rotation of the rotary drum 11, so that the rotary drum 11 rotates more stably, and the service life of the equipment is prolonged.
The present application is described in detail above, and the principles and embodiments of the present application are described herein by using specific examples, which are only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (4)
1. The centrifugal extraction and separation equipment for the rare earth high-purity oxide comprises an outer barrel, a heavy phase inlet, a light phase outlet, a light phase inlet and a heavy phase outlet, wherein the heavy phase inlet is arranged on the upper portion of the left wall of the outer barrel, the light phase outlet is arranged on the left wall of the outer barrel on the upper portion of the heavy phase inlet, the light phase inlet is arranged on the upper portion of the right wall of the outer barrel, and the heavy phase outlet is arranged on the right wall of the outer barrel on the upper portion of the light phase inlet, and is characterized in: the device comprises an outer barrel, a power supply device, a rotating drum and an accelerating mixing device, wherein the power supply device for supplying power for liquid mixing is arranged at the upper part of the outer barrel and extends into the outer barrel; the power supply device comprises a motor, a bearing seat, a hollow shaft and a gear, wherein the motor is installed at the upper part of the outer barrel, the bearing seat is installed at the center of the top of the outer barrel, the hollow shaft is installed in the bearing seat, the gears are arranged at the output end of the motor and the upper part of the hollow shaft, the gears are meshed, the hollow shaft extends into the outer barrel, and the rotary drum is connected to the bottom end of the hollow shaft; the power supply device is characterized by also comprising a shell, wherein the shell is arranged above the outer cylinder and covers the power supply device; the accelerating mixing device comprises a supporting rod, a cross, guide sleeves, an arc-shaped plate and a first elastic piece, wherein the supporting rod is installed at the bottom in the outer barrel, the cross is connected between the tops of the supporting rod, at least two guide sleeves are connected to the cross in a sliding mode, the first elastic piece is connected between each guide sleeve and the cross, the arc-shaped plate is connected to the tops of the guide sleeves, and the tops of the arc-shaped plate are connected with the first elastic piece through the cross, the guide sleeves and the first elastic piece which are the same as the bottoms of the arc-shaped plate.
2. The centrifugal extraction separation equipment for rare earth high-purity oxide as claimed in claim 1, wherein: the L-shaped connecting rod is inserted into the hollow shaft, the four-way push rod is connected to the bottom end of the L-shaped connecting rod, guide grooves matched with the four-way push rod are formed in the inner sides of the arc plates, a straight hole is formed in the right wall of the shell, the track is installed in the straight hole, the L-shaped connecting rod is connected with the track in a sliding mode, the L-shaped connecting rod penetrates through the straight hole, a threaded hole is formed in the upper portion of the L-shaped connecting rod, the threaded hole is matched with the screw rod, and the screw rod is connected with the shell in a rotating mode.
3. The centrifugal extraction separation equipment for rare earth high-purity oxide as claimed in claim 2, wherein: still include clearance adjustment device, clearance adjustment device has two, clearance adjustment device installs the bottom in the urceolus, clearance adjustment device includes piston, nut, threaded rod, uide bushing, guide arm, a cylindricality section of thick bamboo, second elastic component and elastic plate, the urceolus lower part left and right sides all opens and link up the inside and outside L shape hole of urceolus, L shape hole upper portion and lower part all are equipped with the piston, the urceolus lower part left and right sides all is equipped with the nut, all cooperate the threaded rod in the nut, the piston contact of threaded rod inner and lower part, the piston top on upper portion all is connected with the guide arm, the urceolus bottom left and right sides all is equipped with the uide bushing that provides upper and lower direction for the guide arm, the guide arm top all is connected with a cylindricality section of thick bamboo, be connected with the second elastic component between uid, the elastic plate is arranged at the bottom in the outer barrel and is positioned above the cylindrical barrel.
4. The centrifugal extraction separation equipment for rare earth high-purity oxide as claimed in claim 3, wherein: the annular wheel rail is horizontally arranged in the outer barrel, the number of the installation blocks is at least two, the installation blocks are arranged on the rotary barrel, and the rollers matched with the annular wheel rail are arranged on the installation blocks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910543617.0A CN110215736B (en) | 2019-06-21 | 2019-06-21 | Centrifugal extraction and separation equipment for rare earth high-purity oxide |
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| CN201910543617.0A CN110215736B (en) | 2019-06-21 | 2019-06-21 | Centrifugal extraction and separation equipment for rare earth high-purity oxide |
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| CN110215736B true CN110215736B (en) | 2021-04-06 |
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| CN113694563A (en) * | 2021-09-06 | 2021-11-26 | 山东佳星环保科技有限公司 | Centrifugal extraction device |
| CN113769686A (en) * | 2021-09-06 | 2021-12-10 | 山东佳星环保科技有限公司 | Low-temperature normal-pressure fuel oil desulfurization purification equipment and desulfurization purification method thereof |
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| RU2081666C1 (en) * | 1992-04-15 | 1997-06-20 | Научно-исследовательский и конструкторский институт монтажной технологии | Centrifugal extractor |
| CN103830933A (en) * | 2014-03-24 | 2014-06-04 | 靖江市鼎鑫矿山设备有限公司 | Cylinder type centrifugal extractor |
| CN204485374U (en) * | 2015-01-27 | 2015-07-22 | 清华大学 | A kind of annulus type centrifugal extractor with vertical mixing baffle |
| CN108043068A (en) * | 2018-01-30 | 2018-05-18 | 马鞍山纽盟知识产权管理服务有限公司 | A kind of centrifugal extractor |
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2019
- 2019-06-21 CN CN201910543617.0A patent/CN110215736B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2081666C1 (en) * | 1992-04-15 | 1997-06-20 | Научно-исследовательский и конструкторский институт монтажной технологии | Centrifugal extractor |
| CN103830933A (en) * | 2014-03-24 | 2014-06-04 | 靖江市鼎鑫矿山设备有限公司 | Cylinder type centrifugal extractor |
| CN204485374U (en) * | 2015-01-27 | 2015-07-22 | 清华大学 | A kind of annulus type centrifugal extractor with vertical mixing baffle |
| CN108043068A (en) * | 2018-01-30 | 2018-05-18 | 马鞍山纽盟知识产权管理服务有限公司 | A kind of centrifugal extractor |
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Denomination of invention: A centrifugal extraction and separation equipment for rare earth high-purity oxides Effective date of registration: 20221206 Granted publication date: 20210406 Pledgee: Ganzhou Bank Co.,Ltd. Xinfeng Sub branch Pledgor: XINFENG BAOGANG XINLI RARE EARTH Co.,Ltd. Registration number: Y2022980025196 |