CN112813290A - Rare earth element extraction device for wastewater treatment - Google Patents
Rare earth element extraction device for wastewater treatment Download PDFInfo
- Publication number
- CN112813290A CN112813290A CN202110047467.1A CN202110047467A CN112813290A CN 112813290 A CN112813290 A CN 112813290A CN 202110047467 A CN202110047467 A CN 202110047467A CN 112813290 A CN112813290 A CN 112813290A
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- Prior art keywords
- bottom plate
- rare earth
- bracket
- wastewater treatment
- earth element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 27
- 238000000605 extraction Methods 0.000 title claims abstract description 21
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000013019 agitation Methods 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010790 dilution Methods 0.000 abstract description 3
- 239000012895 dilution Substances 0.000 abstract description 3
- 238000007865 diluting Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract description 2
- IRDFFAPCSABAGK-UHFFFAOYSA-N tert-butyl dihydrogen phosphate Chemical compound CC(C)(C)OP(O)(O)=O IRDFFAPCSABAGK-UHFFFAOYSA-N 0.000 description 5
- 239000002904 solvent Substances 0.000 description 4
- 239000013043 chemical agent Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/26—Treatment of water, waste water, or sewage by extraction
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/02—Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention relates to an extraction device, in particular to a rare earth element extraction device for wastewater treatment. The technical problem to be solved is as follows: the rare earth element extraction device for wastewater treatment is reasonable in price and good in dilution effect. The technical scheme of the invention is as follows: a rare earth element extraction device for wastewater treatment comprises a bottom plate and a reaction box, wherein the reaction box is arranged on the bottom plate; the motor is arranged on one side of the bottom plate; the stirring mechanism is connected between the output shaft of the motor and the bottom plate; and the discharging mechanism is arranged between the bottom plate and the reaction box. Through the cooperation between rabbling mechanism and the discharge mechanism, can realize diluting waste water automatically, can separate clear liquid and foul solution.
Description
Technical Field
The invention relates to an extraction device, in particular to a rare earth element extraction device for wastewater treatment.
Background
The rare earth oxide has wide application in agricultural production and scientific research, the performance can be greatly improved by adding a small amount of rare earth into steel, cast iron and alloy, the magnetic material prepared from the rare earth has extremely strong magnetism and wide application, and the rare earth oxide is widely used as a catalyst in chemical industry and is an important luminescent material and a laser material.
Although rare earth elements have wide application, the wide application of rare earth elements is always limited, the reason is mainly that the purification difficulty of the rare earth elements is high, and rare earth elements which can meet the requirement of industrial production are difficult to extract. Therefore, a rare earth element extraction device for wastewater treatment, which has reasonable price and good dilution effect, is developed at present.
Disclosure of Invention
In order to overcome the defects of expensive manufacturing cost and overhigh extraction cost of the existing equipment for collecting the rare earth elements, the technical problems to be solved are as follows: the rare earth element extraction device for wastewater treatment is reasonable in price and good in dilution effect.
The technical scheme of the invention is as follows: a rare earth element extraction device for wastewater treatment comprises:
the reaction box is arranged on the bottom plate;
the motor is arranged on one side of the bottom plate;
the stirring mechanism is connected between the output shaft of the motor and the bottom plate;
and the discharging mechanism is arranged between the bottom plate and the reaction box.
Further, the stirring mechanism includes:
the first bracket is arranged on one side of the bottom plate;
the first support is rotatably connected with a first transmission shaft;
the first transmission shaft is connected with the motor output shaft through a first transmission shaft;
the middle of the bottom plate is rotatably connected with a second transmission shaft;
a belt is arranged between the second transmission shaft and the first transmission shaft;
the stirring fan is arranged on the second transmission shaft and is positioned in the reaction box.
Further, discharge mechanism includes:
the mounting frames are connected to the two sides of the left part of the bottom plate;
the first stop block is connected between the mounting frames in a sliding manner;
the bottom of the reaction box is provided with a drain pipe, and the first stop block is in contact fit with the drain pipe;
the two sides of the top of the first stop block are both connected with movable blocks;
the first springs are arranged between the bottoms of the movable blocks and the mounting frames on the same side;
the collecting box is arranged between the movable blocks;
and the discharge port is uniformly arranged on one side of the reaction box.
Further, still including unloading mechanism, unloading mechanism is including:
the front part of the bottom plate is provided with two support columns;
the material box is connected between the support columns;
a material conveying pipe is arranged on one side of the reaction box;
the valve body is connected between the material conveying pipe and the material box;
the valve body is connected with a second stop block in a sliding way;
and a second spring is connected between the second stop block and the valve body.
Further, still including sheltering from the mechanism, shelter from the mechanism including:
one side of the bottom plate is provided with a second bracket;
the second bracket is rotatably connected with the rotating shaft;
the two sides of the rotating shaft are both connected with first connecting rods;
the baffle is connected with between the first connecting rod.
Further, still include pushing mechanism, pushing mechanism includes:
the air cylinder is arranged on one side of the bottom plate;
the cylinder is provided with a second connecting rod;
a third support is arranged on one side of the bottom plate, and a second connecting rod is connected with the third support in a sliding manner;
one side of the second connecting rod is provided with a rack;
one side of the rotating shaft is provided with a one-way gear, and the rack is meshed with the one-way gear;
one side of the second connecting rod is provided with a first wedge-shaped block;
a fourth bracket is arranged on the supporting column on one side;
and the fourth support is connected with a second wedge block in a sliding manner, and the second wedge block is connected with the second stop block.
Further, still including positioning mechanism, positioning mechanism includes:
a fifth bracket is arranged on one side of the bottom plate;
the fifth bracket is connected with the sliding rod in a sliding manner;
the bottom of one side of the sliding rod is provided with a floating block.
Further, the reaction chamber is cylindrical in shape.
The invention has the beneficial effects that: 1. through the cooperation between rabbling mechanism and the discharge mechanism, can realize diluting waste water automatically, can separate clear liquid and foul solution.
2. Through the cooperation between unloading mechanism and the mechanism of sheltering from, can realize that the interval adds chemical agent, can cover the reaction box simultaneously.
3. Through the cooperation between pushing mechanism and the positioning mechanism, can realize covering and the unloading is gone on in step, can fix a position the water level simultaneously.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic perspective view of the stirring apparatus of the present invention.
Fig. 3 is a schematic perspective view of the discharging mechanism of the present invention.
Fig. 4 is a schematic perspective view of the blanking mechanism of the present invention.
Fig. 5 is a schematic perspective view of the shielding mechanism of the present invention.
Fig. 6 is a schematic perspective view of the pushing mechanism of the present invention.
Fig. 7 is a schematic perspective view of the positioning mechanism of the present invention.
Reference numerals: 1_ base plate, 2_ reaction box, 3_ motor, 4_ stirring mechanism, 41_ bevel gear set, 42_ first support, 43_ first drive shaft, 44_ belt, 45_ second drive shaft, 46_ stirring fan, 5_ discharge mechanism, 51_ mounting frame, 52_ collection box, 53_ movable block, 54_ first spring, 55_ first stopper, 56_ drain pipe, 57_ discharge port, 6_ blanking mechanism, 61_ support column, 62_ bin, 63_ feed pipe, 64_ valve body, 65_ second stopper, 66_ second spring, 7_ shielding mechanism, 71_ second support, 72_ rotary shaft, 73_ first connecting rod, 74_ baffle, 8_ pushing mechanism, 81_ cylinder, 82_ second connecting rod, 83_ third support, 84_ rack, 85_ one-way gear, 86_ first wedge block, 87_ second wedge block, 88_ fourth support, 9_ positioning mechanism, 91_ fifth support, 92_ slide bar, 93_ float.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
A rare earth element extraction device for wastewater treatment is shown in figures 1-3 and comprises a bottom plate 1, a reaction box 2, a motor 3, a stirring mechanism 4 and a discharging mechanism 5, wherein the reaction box 2 is arranged on the bottom plate 1, the motor 3 is arranged on the right front side of the bottom plate 1, the stirring mechanism 4 is connected between an output shaft of the motor 3 and the bottom plate 1, and the discharging mechanism 5 is arranged between the bottom plate 1 and the reaction box 2.
Rabbling mechanism 4 is including conical gear group 41, first support 42, first transmission shaft 43, belt 44, second transmission shaft 45 and stirring fan 46, 1 right side front side of bottom plate is equipped with first support 42, first support 42 rotary type is connected with first transmission shaft 43, be connected with conical gear group 41 between first transmission shaft 43 and the motor 3 output shaft, the rotary type is connected with second transmission shaft 45 in the middle of the bottom plate 1, be equipped with belt 44 between second transmission shaft 45 and the first transmission shaft 43, be equipped with stirring fan 46 on the second transmission shaft 45, stirring fan 46 is located reaction box 2.
Discharge mechanism 5 is including mounting bracket 51, collecting box 52, movable block 53, first spring 54, first dog 55, drain pipe 56 and discharge gate 57, both sides all are connected with mounting bracket 51 around the 1 left part of bottom plate, sliding type connection has first dog 55 between the mounting bracket 51, 2 bottoms of reaction box are equipped with drain pipe 56, first dog 55 and the cooperation of the contact of drain pipe 56, both sides all are connected with movable block 53 around the first dog 55 top, all be equipped with first spring 54 between the mounting bracket 51 of movable block 53 bottom and homonymy, collecting box 52 has been placed between the movable block 53, the upper left side of reaction box 2 evenly is equipped with discharge gate 57.
When people need to extract rare earth elements from wastewater, firstly, the wastewater is loaded into the reaction box 2, then solvents such as TBP, D2EHPA and the like are added into the reaction box 2, the motor 3 can be switched on and off at regular time, the motor 3 is started, the output shaft of the motor 3 rotates to drive the first transmission shaft 43, the belt 44, the second transmission shaft 45 and the stirring fan 46 to rotate continuously, so that the solvents such as TBP, D2EHPA and the like are fully fused with the wastewater, after stirring is completed, the motor 3 is automatically closed, so that the wastewater is static for a period of time, layering can occur and is divided into a clear liquid layer and a dirty liquid layer, the dirty liquid layer is deposited at the bottom in the reaction box 2, then the height of the clear liquid layer can be observed, then the corresponding discharge port 57 is opened, the clear liquid flows into the collection box 52 through the discharge port 57, due to gravity, the collection box 52, the movable block 53 and the first stop block 55 move downwards, so that the first spring 54 is compressed, when the, after the sewage is discharged, people take out the clean water, and drive the collecting box 52, the movable block 53 and the first stop block 55 to move upwards and reset under the action of the first spring 54, and then close the discharge hole 57.
Example 2
On the basis of embodiment 1, as shown in fig. 4 to 7, the device further comprises a blanking mechanism 6, wherein the blanking mechanism 6 comprises support columns 61, a material box 62, a material conveying pipe 63, a valve body 64, a second stopper 65 and a second spring 66, the two support columns 61 are arranged on the front portion of the base plate 1, the material box 62 is connected between the support columns 61, the material conveying pipe 63 is arranged on the upper side of the middle of the front portion of the reaction box 2, the valve body 64 is connected between the material conveying pipe 63 and the material box 62, the second stopper 65 is slidably connected on the valve body 64, and the second spring 66 is connected between the second stopper 65 and the valve body 64.
When people need to extract rare earth elements from the wastewater, solvents such as TBP (tert-butyl phosphate), D2EHPA (high-pressure EHPA) and the like are added into the material box 62, when the wastewater needs to be fed, the second stopper 65 can be moved leftwards manually, so that the second spring 66 is compressed, the solvents such as TBP, D2EHPA and the like flow into the reaction box 2, the second stopper 65 is driven to move rightwards to reset under the action of the second spring 66 after the hands are loosened.
Still including sheltering from mechanism 7, shelter from mechanism 7 including second support 71, pivot 72, head rod 73 and baffle 74, the bottom plate 1 rear side is equipped with second support 71, and the last rotation type of second support 71 is connected with pivot 72, and the pivot 72 left and right sides all is connected with head rod 73, is connected with baffle 74 between the head rod 73.
During the stirring process, the baffle 74 can be closed, so that the rotating shaft 72 and the first connecting rod 73 rotate, and after the stirring process is completed, the baffle 74 can be opened, so that the rotating shaft 72 and the first connecting rod 73 rotate and reset.
Still including pushing mechanism 8, pushing mechanism 8 is including the cylinder 81, second connecting rod 82, third support 83, the rack 84, one-way gear 85, first wedge 86, second wedge 87 and fourth support 88, bottom plate 1 right back side is equipped with cylinder 81, be equipped with second connecting rod 82 on the cylinder 81, be equipped with third support 83 in the middle of the bottom plate 1 right side, second connecting rod 82 and third support 83 sliding type are connected, second connecting rod 82 rear side is equipped with rack 84, pivot 72 right side is equipped with one-way gear 85, rack 84 and one-way gear 85 meshing, the upper left side of second connecting rod 82 is equipped with first wedge 86, be equipped with fourth support 88 on the support column 61 on right side, sliding connection has second wedge 87 on fourth support 88, second wedge 87 is connected with second baffle 65.
Can be regularly with cylinder 81, start cylinder 81, cylinder 81 shortens automatically and drives second connecting rod 82, rack 84 and first wedge 86 move backward, first wedge 86 extrudes second wedge 87, and then drive second baffle 65 and move left, make chemical agent flow out, rack 84 moves backward and drives one-way gear 85 and pivot 72 and rotate, and then make baffle 74 close, after taking cylinder 81 to regularly finish, make cylinder 81 extend, drive second connecting rod 82, rack 84 and first wedge 86 move forward, under one-way gear 85's effect, can't open baffle 74, after first wedge 86 and second wedge 87 separate, and then make second wedge 87 move to the right and reset.
The positioning device is characterized by further comprising a positioning mechanism 9, wherein the positioning mechanism 9 comprises a fifth support 91, a sliding rod 92 and a floating block 93, the fifth support 91 is arranged on the left rear side of the bottom plate 1, the sliding rod 92 is connected onto the fifth support 91 in a sliding mode, and the floating block 93 is arranged at the bottom of the front side of the sliding rod 92.
Along with the rising of the water level, the floating block 93 can rise, so that the height of the water level can be judged, and the floating block 93 is driven to descend when the water level descends.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. A rare earth element extraction device for wastewater treatment is characterized by comprising:
the reaction device comprises a bottom plate (1) and a reaction box (2), wherein the reaction box (2) is arranged on the bottom plate (1);
the motor (3) is arranged on one side of the bottom plate (1);
the stirring mechanism (4) is connected between the output shaft of the motor (3) and the bottom plate (1);
a discharging mechanism (5), and a discharging mechanism (5) is arranged between the bottom plate (1) and the reaction box (2).
2. A rare earth element extraction apparatus for wastewater treatment as claimed in claim 1, wherein said agitation means (4) comprises:
the first bracket (42) is arranged on one side of the bottom plate (1);
the first transmission shaft (43) is rotatably connected with the first bracket (42);
the bevel gear set (41) is connected between the first transmission shaft (43) and the output shaft of the motor (3);
the middle of the bottom plate (1) is rotatably connected with a second transmission shaft (45);
a belt (44), wherein the belt (44) is arranged between the second transmission shaft (45) and the first transmission shaft (43);
stirring fan (46) is equipped with stirring fan (46) on second transmission shaft (45), and stirring fan (46) are located reaction box (2).
3. A rare earth element extraction apparatus for wastewater treatment as claimed in claim 2, wherein the discharging mechanism (5) comprises:
the mounting rack (51) is connected to both sides of the left part of the bottom plate (1);
the first stop block (55) is connected between the mounting frames (51) in a sliding manner;
the water draining pipe (56) is arranged at the bottom of the reaction box (2), and the first stop block (55) is in contact fit with the water draining pipe (56);
the two sides of the top of the first stop block (55) are connected with the movable blocks (53);
the first springs (54) are arranged between the bottoms of the movable blocks (53) and the mounting frames (51) on the same side;
the collecting box (52) is arranged between the movable blocks (53);
the discharge hole (57) is uniformly arranged on one side of the reaction box (2).
4. A rare earth element extraction device for wastewater treatment as claimed in claim 3, further comprising a blanking mechanism (6), wherein the blanking mechanism (6) comprises:
the front part of the bottom plate (1) is provided with two supporting columns (61);
the bin (62) is connected between the supporting columns (61);
a material conveying pipe (63), wherein one side of the reaction box (2) is provided with the material conveying pipe (63);
a valve body (64) is connected between the material conveying pipe (63) and the material box (62);
the second stop block (65) is connected to the valve body (64) in a sliding mode;
and a second spring (66), wherein the second spring (66) is connected between the second stop (65) and the valve body (64).
5. A rare earth element extraction device for wastewater treatment according to claim 4, characterized in that it further comprises a shielding mechanism (7), and the shielding mechanism (7) comprises:
a second bracket (71), wherein the second bracket (71) is arranged on one side of the bottom plate (1);
the rotating shaft (72) is rotatably connected to the second bracket (71);
the two sides of the rotating shaft (72) are both connected with first connecting rods (73);
the baffle (74) is connected between the first connecting rods (73).
6. A rare earth element extraction device for wastewater treatment as claimed in claim 5, further comprising a pushing mechanism (8), wherein the pushing mechanism (8) comprises:
the air cylinder (81), one side of the bottom plate (1) is provided with the air cylinder (81);
the second connecting rod (82) is arranged on the air cylinder (81);
a third bracket (83), wherein one side of the bottom plate (1) is provided with the third bracket (83), and the second connecting rod (82) is connected with the third bracket (83) in a sliding manner;
a rack (84), wherein one side of the second connecting rod (82) is provided with the rack (84);
the one-way gear (85) is arranged on one side of the rotating shaft (72), and the rack (84) is meshed with the one-way gear (85);
a first wedge block (86) is arranged on one side of the second connecting rod (82);
a fourth bracket (88), wherein the supporting column (61) on one side is provided with the fourth bracket (88);
the second wedge block (87) is connected to the fourth support (88) in a sliding mode, and the second wedge block (87) is connected with the second stop block (65).
7. A rare earth element extraction device for wastewater treatment as claimed in claim 6, further comprising a positioning mechanism (9), wherein the positioning mechanism (9) comprises:
a fifth support (91), wherein the fifth support (91) is arranged on one side of the bottom plate (1);
the sliding rod (92) is connected to the fifth bracket (91) in a sliding mode;
the bottom of one side of the sliding rod (92) is provided with a floating block (93).
8. A rare earth element extraction apparatus for wastewater treatment as claimed in claim 1, wherein the reaction tank (2) is cylindrical in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110047467.1A CN112813290A (en) | 2021-01-14 | 2021-01-14 | Rare earth element extraction device for wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110047467.1A CN112813290A (en) | 2021-01-14 | 2021-01-14 | Rare earth element extraction device for wastewater treatment |
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| Publication Number | Publication Date |
|---|---|
| CN112813290A true CN112813290A (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110047467.1A Pending CN112813290A (en) | 2021-01-14 | 2021-01-14 | Rare earth element extraction device for wastewater treatment |
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| CN (1) | CN112813290A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114097750A (en) * | 2021-11-05 | 2022-03-01 | 谢玉霞 | Insecticidal equipment is used in ecological garden |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109182740A (en) * | 2018-09-04 | 2019-01-11 | 王康 | A kind of Rare Earth Separation device |
-
2021
- 2021-01-14 CN CN202110047467.1A patent/CN112813290A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109182740A (en) * | 2018-09-04 | 2019-01-11 | 王康 | A kind of Rare Earth Separation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114097750A (en) * | 2021-11-05 | 2022-03-01 | 谢玉霞 | Insecticidal equipment is used in ecological garden |
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Application publication date: 20210518 |
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