CN209456525U - A kind of leaching stirred tank - Google Patents
A kind of leaching stirred tank Download PDFInfo
- Publication number
- CN209456525U CN209456525U CN201822091072.8U CN201822091072U CN209456525U CN 209456525 U CN209456525 U CN 209456525U CN 201822091072 U CN201822091072 U CN 201822091072U CN 209456525 U CN209456525 U CN 209456525U
- Authority
- CN
- China
- Prior art keywords
- stirred tank
- handle
- filter pocket
- sealing cover
- tank
- 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.)
- Expired - Fee Related
Links
- 238000002386 leaching Methods 0.000 title claims abstract description 31
- 239000000706 filtrate Substances 0.000 claims abstract description 60
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 238000005192 partition Methods 0.000 claims abstract description 37
- 239000003814 drug Substances 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004744 fabric Substances 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 12
- 238000002474 experimental method Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000009854 hydrometallurgy Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a kind of leaching stirred tank, including digital display mechanical agitator, sealing cover, axle sleeve, stirred tank, filter cloth, filter pocket, stirring rod, filter pocket handle, funnel, valve II, medicament chamber, fine ore room, partition I, filtrate collecting tank, iron stand, handle I, partition II, handle II；Compared with traditional stirred tank, the utility model stirred tank has built the environment being isolated from the outside world by the leaching experiment that is designed as of multilayered structure, the teeter chamber of sealing reduces the influence that the environmental factors such as factor and air are thought in stirring test to experimental result.
Description
Technical field
The utility model relates to mineral hydrometallurgy experimental facilities, in particular to a kind of leaching stirred tank.
Background technique
Hydrometallurgy is one important branch of chemical mineral processing at present, and good separation effect is widely used, and laboratory is selected
The small-sized leaching tanks of mine test application are all with other provisional glass apparatus such as beakers etc..These glass apparatus are easy to damage, grasp
Feel embarrassed, bad adaptability, to the shortage controlling of experimental system, be difficult determine experimentation in major influence factors and it is each because
The influence degree of element causes laboratory experiment to lack enough theoretical basis to actual directiveness is produced, it is more difficult to meet ore dressing
Industrial requirement, and do not have the function of continuous multi-stage leaching yet.
Summary of the invention
In order to overcome the problems, such as that existing hydrometallurgy laboratory blender slot exists and deficiency, a kind of leaching stirred tank is provided,
Various difficult mineral can be effectively sorted, purpose component is separated with non-purpose group split-phase, also can be realized simultaneously separation of solid and liquid,
With very strong adaptability, various disturbing factors can be also effectively controlled during the experiment, thus the strong experiment that rests on a scientific basis
As a result, providing the working condition of most reasonable.
A kind of leaching stirred tank, including digital display mechanical agitator 1, sealing cover 4, axle sleeve 5, stirred tank 6, filter cloth 8, filter pocket 9,
Stirring rod 10, filter pocket handle 11, funnel 12, valve II 13, medicament chamber 14, fine ore room 15, partition I 16, filtrate collecting tank 17, iron
Pallet 19, handle I 21, partition II 22, handle II 23, port lid 26, sealing cover 4 cover on stirred tank 6,4 center opening of sealing cover,
10 one end of stirring rod passes through centre bore and enters in stirred tank 6, and axle sleeve 5 is arranged outside stirring rod 10, and axle sleeve 5 is arranged on sealing cover 4,
10 other end of stirring rod is connect by bolt 2 with digital display mechanical agitator 1, and digital display mechanical agitator 1 is arranged on iron stand 19,
Be additionally provided with funnel 12 on sealing cover 4, funnel 12 is equipped with valve II 13,12 lower end of funnel pass through after sealing cover 4 with medicament chamber 14
Fine ore room 15 is arranged below in connection, medicament chamber 14, and medicament chamber 14 and fine ore room 15 are arranged in stirred tank 6, medicament chamber 14 and powder
Partition I 16 is set between mine room 15, and partition II 22 is arranged in 15 bottom of fine ore room；6 bottom of stirred tank and lower sides are equipped with hole,
Filter cloth 8 is equipped in stirred tank 6, stirred tank 6 is externally provided with filter pocket 9, and filter pocket 9 is movably arranged on sealing cover 4,9 top edge of filter pocket
Equipped with sliding block, it is equipped with sliding slot inside sealing cover 4, the sliding block of 9 top edge of filter pocket slides along the chute, makes filter pocket 9 around 6 turns of stirred tank
Dynamic, 9 bottom of filter pocket and lower sides are provided with the hole with same size on 6 bottom of stirred tank and lower sides, 9 lower side of filter pocket
It is connect with filter pocket handle 11, filter pocket handle 11 is L shape, and L shape bottom endpoint connect with 9 lower side of filter pocket, is provided on sealing cover 4
Arc-shaped through-hole, L shape top end pass through the arc-shaped through-hole on sealing cover 4, and the L shape top of filter pocket handle 11 is along sealing cover 4
Arc-shaped through-hole is mobile, and filter pocket 9 is driven to rotate, and filter pocket 9 changes the position in its hole when rotating, and opens or seal the hole on stirred tank 6,
Arc-shaped through-hole is equipped with port lid 26, opens port lid 26 when rotation, and rotation covers port lid 26 after finishing, and port lid 26 can will
Arc-shaped through-hole all covers, and filtrate collecting tank 17 is arranged outside filter pocket 9, and filtrate collecting tank 17 is arranged below sealing cover 4, filtrate
Collecting tank 17 is placed on iron stand 19, and 17 bottom of filtrate collecting tank is equipped with filtrate (liquid, is equipped with valve III 18 at filtrate (liquid；
Partition I 16 is equipped with handle I 21, and partition II 22 is equipped with handle II 23, and handle I 21 passes through stirred tank 6, filter pocket 9, filtrate collection
It is arranged outside filtrate collecting tank 17 after slot 17, handle II 23 is arranged after passing through stirred tank 6, filter pocket 9, filtrate collecting tank 17 in filtrate
Outside collecting tank 17.
The stirred tank further includes pressure gauge 7, pressure pump 24, and the setting of pressure gauge 7 measures stirred tank 6 at 6 top of stirred tank
It is connected to inside internal pressure, pressure pump 24 and stirred tank 6, valve I 3 is equipped between pressure pump 24 and stirred tank 6.
The stirred tank further includes vacuum pump 25, and vacuum pump 25 is connect with 17 top of filtrate collecting tank, vacuum pump 25 and filter
Valve IV 20 is equipped between liquid collecting tank 17.
The stirring rod 10 is located at one end in stirred tank 6 equipped with stirring blade.
The sealing cover 4 is equipped with door, after leaching, opens remaining ore in sand form inside goalkeeper and cleans up.
The utility model leach stirred tank use process is as follows, rotate filter pocket handle 11,9 bottom of filter pocket and lower sides
Hole is staggered with 6 bottom of stirred tank and lower side cinclides, and non-porous position seals the hole on stirred tank 6 on filter pocket 9, adds from funnel 12
Enter water, rotational handle I 21 opens partition I 16, and rotational handle II 23 opens partition II 22, and water enters stirred tank 6, and water turns after adding
Fixed handle II 23 closes 15 bottom of fine ore room, and fine ore is added from funnel 12, and rotational handle I 21 closes partition I 16, separates medicament
Medicament is added from funnel 12 in room 14 and fine ore room 15, and medicament adds rear, closing valve II 13, the opening partition of rotational handle I 21
I 16, medicament enters fine ore room 15, and rotational handle II 23 opens partition II 22, and the mixture of medicament and fine ore enters stirred tank 6,
Digital display mechanical agitator 1 is powered on, starts leaching, whipping process is if necessary to investigate leaching effect under stress
Fruit can open valve I 3, be connected to pressure pump 24, to provide pressure inside stirred tank 6, after leaching, rotate filter pocket handle
11,9 bottom of filter pocket and lower side cinclides are overlapped with 6 bottom of stirred tank and lower side cinclides, and liquid flows into filter from stirred tank 6
In liquid collecting tank 17, valve III 18 is opened, filtrate is flowed out from 17 outlet at bottom of filtrate collecting tank, if the filtrate in stirred tank 6
Stream is not clean, then Open valve IV 20 and vacuum pump 25, to pumping process is carried out in filtrate collecting tank 17, accelerates filtrate outflow；
Filtrate enters next step collection procedure after all flowing out；The door on sealing cover 4 is opened, processed miberal powder is cleaned out.
The beneficial effects of the utility model
(1) the utility model leaching environment is closed, and sealing cover is equipped on entire stirred tank, in stirring rod and sealing cover
Junction sets Packed axle sleeve, and valve also is provided at dosing funnel, can substantially guarantee leaching process be one not by
The environment of external interference.
(2) stirred tank and filter pocket are provided with filter opening, and stirred tank is staggered with filter pocket in whipping process, passes through after stirring
The position for adjusting stirred tank and filter pocket, is aligned stirred tank with the filter opening on filter pocket, filtrate outflow.
(3) the main filtration of filter cloth prevents the leaching material of bulky grain from entering in collected filtrate.
(4) pressure pump and being used cooperatively for vacuum pump can greatly improve leaching environment, connect in pressure pump and stirred tank,
It can control the air pressure of leaching environment, vacuum pump is connected to filtrate collecting tank, can be made in filtrate collecting tank when collecting filtrate
Filter efficiency is improved for negative pressure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model stirred tank；
Fig. 2 is the utility model sealing cover, stirred tank, filter pocket, filter pocket handle, the amplification of filtrate collecting tank coupling part details
Figure；
In figure, 1- digital display mechanical agitator, 2- bolt, 3- valve I, 4- sealing cover, 5- axle sleeve, 6- stirred tank, 7- pressure
Table, 8- filter cloth, 9- filter pocket, 10- stirring rod, 11- filter pocket handle, 12- funnel, 13- valve II, 14- medicament chamber, 15- fine ore room,
16- partition I, 17- filtrate collecting tank, 18- valve III, 19- iron stand, 20- valve IV, 21- handle I, 22- partition II, 23- hand
Handle II, 24- pressure pump, 25- vacuum pump, 26- port lid.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments.
Embodiment 1
A kind of leaching stirred tank, as shown in Figure 1, 2, including digital display mechanical agitator 1, bolt 2, valve I 3, sealing cover 4,
Axle sleeve 5, stirred tank 6, pressure gauge 7, filter cloth 8, filter pocket 9, stirring rod 10, filter pocket handle 11, funnel 12, valve II 13, medicament chamber
14, fine ore room 15, partition I 16, filtrate collecting tank 17, valve III 18, iron stand 19, valve IV 20, handle I 21, partition II 22,
Handle II 23, pressure pump 24, vacuum pump 25, port lid 26；
Sealing cover 4 covers on stirred tank 6,4 center opening of sealing cover, and 10 one end of stirring rod passes through centre bore and enters stirred tank
In 6, stirring rod 10 is located at one end in stirred tank 6 equipped with stirring blade, and axle sleeve 5 is arranged in stirring rod 10 outside, and axle sleeve 5 is arranged close
In capping 4,10 other end of stirring rod is connect by bolt 2 with digital display mechanical agitator 1, and digital display mechanical agitator 1 is arranged in iron
On pallet 19,
There are also funnel 12 is equipped on sealing cover 4, funnel 12 is equipped with valve II 13, after 12 lower end of funnel passes through sealing cover 4
It is connected to medicament chamber 14, fine ore room 15 is arranged below in medicament chamber 14, and medicament chamber 14 and fine ore room 15 are arranged in stirred tank 6, medicine
Partition I 16 is set between agent room 14 and fine ore room 15, partition II 22 is arranged in 15 bottom of fine ore room,
6 bottom of stirred tank and lower sides are equipped with hole, are equipped with filter cloth 8 in stirred tank 6, and stirred tank 6 is externally provided with filter pocket 9,
Filter pocket 9 is movably arranged on sealing cover 4, and 9 top edge of filter pocket is equipped with sliding block, and sliding slot, 9 top of filter pocket are equipped with inside sealing cover 4
The sliding block at edge slides along the chute, rotates filter pocket 9 around stirred tank 6,9 bottom of filter pocket and lower sides are provided with and 6 bottom of stirred tank
The hole of same size in portion and lower sides, 9 lower side of filter pocket are connect with filter pocket handle 11, and filter pocket handle 11 is L shape, L shape
Bottom endpoint is connect with 9 lower side of filter pocket, and L shape top end passes through sealing cover 4, is provided with arc-shaped through-hole, filter pocket on sealing cover 4
Arc-shaped through-hole of the L shape top of handle 11 on sealing cover 4 moves, and filter pocket 9 is driven to rotate, and filter pocket 9 changes its hole when rotating
Position, opens or seals the hole on stirred tank 6, and arc-shaped through-hole is equipped with port lid 26, and rotation when opens port lid 26, has rotated
Port lid 26 is covered after finishing, port lid 26 can all cover arc-shaped through-hole,
Filtrate collecting tank 17 is set outside filter pocket 9, and filtrate collecting tank 17 is arranged below sealing cover 4, and filtrate collecting tank 17 is put
It sets on iron stand 19,17 bottom of filtrate collecting tank is equipped with filtrate (liquid, valve III 18 is equipped at filtrate (liquid, on partition I 16
Equipped with handle I 21, partition II 22 is equipped with handle II 23, and handle I 21 is set after passing through stirred tank 6, filter pocket 9, filtrate collecting tank 17
It sets outside filtrate collecting tank 17, handle II 23 is arranged after passing through stirred tank 6, filter pocket 9, filtrate collecting tank 17 in filtrate collecting tank 17
Outside, handle I 21 is equipped with external screw thread, and stirred tank 6, filter pocket 9 are provided with the threaded hole passed through for handle I 21 on filtrate collecting tank 17,
Handle I 21 passes through threaded hole, and it is T shape that handle I 21, which is located at the part outside filtrate collecting tank 17, is convenient for rotational handle I 21, handle II
23 is identical as handle I 21；The setting of pressure gauge 7 measures 6 internal pressure of stirred tank, pressure pump 24 and stirred tank at 6 top of stirred tank
6 top connections are equipped with valve I 3, vacuum pump 25 by being connected to inside pipeline and stirred tank 6 between pressure pump 24 and stirred tank 6
It is connect with 17 top of filtrate collecting tank, valve IV 20 is equipped between vacuum pump 25 and filtrate collecting tank 17, is additionally provided on sealing cover 4
Door after leaching, is opened remaining ore in sand form inside goalkeeper and is cleaned up, and filter cloth 8, which passes through, hangs over 6 inner wall of stirred tank,
After leaching, door is opened, is taken out after filter cloth 8 is wrapped up ore in sand form, the filter cloth more renewed.
The present embodiment device use process is as follows:
Filter pocket handle 11 is rotated, 9 bottom hole of filter pocket is staggered with 6 bottom hole of stirred tank, and the non-porous position of filter pocket 9 seals stirring
Water is added from funnel 12 in hole on slot 6, and rotational handle I 21 opens partition I 16, and partition I 16 becomes inclination or vertical from level,
Rotational handle II 23 opens partition II 22, and partition II 22 becomes tilting from level or vertically, water enters stirred tank 6, after water adds
Rotational handle II 23 closes 15 bottom of fine ore room, and fine ore is added from funnel 12, and rotational handle I 21 closes partition I 16, separates medicine
Agent room 14 and fine ore room 15, from funnel 12 be added medicament, medicament add after after, close valve II 13, rotational handle I 21 open every
Plate I 16, medicament enter fine ore room 15, and rotational handle II 23 opens partition II 22, and the mixture of medicament and fine ore enters stirred tank
6, digital display mechanical agitator 1 is powered on, leaching is started, after leaching, rotates filter pocket handle 11,9 lower part of filter pocket
Hole is overlapped with 6 bottom hole of stirred tank, and liquid is flow into filtrate collecting tank 17 from stirred tank 6, open valve III 18, filtrate from
The outflow of 17 outlet at bottom of filtrate collecting tank, filtrate enter next step collection procedure after all flowing out；Sealing cover 4 is opened to visit, it will
Filter cloth 8 is cleaned out or replaced to processed miberal powder.
If the filtrate in stirred tank 6 flows unclean, Open valve IV 20 and vacuum pump 25, in filtrate collecting tank 17
Pumping process is carried out, filtrate outflow is accelerated.
If necessary to investigate leaching effect under stress, valve I 3 can be opened, is connected to pressure pump 24, is stirred tank 6
Inside provides pressure, and pressure gauge 7 shows pressure size in stirred tank 6, can investigate the leaching situation under different pressures.
If fine ore needs first to be stirred, fine ore is charged first in stirred tank 6, after processing a period of time again
Medicament is added；If needing midway that medicament is added during leaching, then valve II 13 is opened, medicament is added, closed
Valve II 13, then rotational handle I 21 opens partition I 16, and partition I 16 becomes inclination or vertical, rotational handle II 23 from level
Partition II 22 is opened, partition II 22 becomes tilting from level or vertically, medicament enters in stirred tank 6.
Claims (5)
1. a kind of leaching stirred tank, which is characterized in that including digital display mechanical agitator (1), sealing cover (4), axle sleeve (5), stirring
Slot (6), filter cloth (8), filter pocket (9), stirring rod (10), filter pocket handle (11), funnel (12), valve II (13), medicament chamber (14),
Fine ore room (15), partition I (16), filtrate collecting tank (17), iron stand (19), handle I (21), partition II (22), handle II
(23), port lid (26)；Sealing cover (4) covers on stirred tank (6), sealing cover (4) center opening, during stirring rod (10) one end passes through
Heart hole enters in stirred tank (6), and axle sleeve (5) is arranged in stirring rod (10) outside, and axle sleeve (5) is arranged on sealing cover (4), stirring rod
(10) other end is connect by bolt (2) with digital display mechanical agitator (1), and digital display mechanical agitator (1) is arranged in iron stand
(19) it on, is additionally provided on sealing cover (4) funnel (12), funnel (12) is equipped with valve II (13), and funnel (12) lower end passes through close
Capping (4) is connected to medicament chamber (14) afterwards, and medicament chamber (14) is arranged below fine ore room (15), medicament chamber (14) and fine ore room (15)
Partition I (16) are arranged between medicament chamber (14) and fine ore room (15) in stirred tank (6) in setting, the setting of fine ore room (15) bottom
Partition II (22), stirred tank (6) bottom and lower sides are equipped with hole, are equipped with filter cloth (8) in stirred tank (6), stirred tank (6) is outside
Equipped with filter pocket (9), filter pocket (9) is movably arranged on sealing cover (4), is rotated around stirred tank (6), filter pocket (9) bottom and lower side
Wall is provided with the hole with same size on stirred tank (6) bottom and lower sides, and filter pocket (9) lower side and filter pocket handle (11) are even
It connects, filter pocket handle (11) is L shape, and L shape bottom endpoint is connect with filter pocket (9) lower side, and it is logical that arc is provided on sealing cover (4)
Hole, L shape top end pass through the arc-shaped through-hole on sealing cover (4), and the L shape top of filter pocket handle (11) is along sealing cover (4)
Arc-shaped through-hole is mobile, and arc-shaped through-hole is equipped with port lid (26), and filtrate collecting tank (17), filtrate collecting tank is arranged in filter pocket (9) outside
(17) setting is below sealing cover (4), and filtrate collecting tank (17) is placed on iron stand (19), and filtrate collecting tank (17) bottom is set
There is filtrate (liquid, valve III (18) is equipped at filtrate (liquid, partition I (16) is equipped with handle I (21), and partition II (22) is equipped with
Filtrate collecting tank is arranged in across stirred tank (6), filter pocket (9), filtrate collecting tank (17) in handle II (23), handle I (21) afterwards
(17) outside, filtrate collecting tank (17) are arranged in across stirred tank (6), filter pocket (9), filtrate collecting tank (17) in handle II (23) afterwards
Outside.
2. leaching stirred tank according to claim 1, which is characterized in that further include pressure gauge (7), pressure pump (24), pressure
Table (7) setting is connected to, pressure pump (24) and stirred tank (6) at the top of stirred tank (6) inside pressure pump (24) and stirred tank (6)
Between be equipped with valve I (3).
3. leaching stirred tank according to claim 1, which is characterized in that further include vacuum pump (25), vacuum pump (25) and filter
The connection of liquid collecting tank (17) top, is equipped with valve IV (20) between vacuum pump (25) and filtrate collecting tank (17).
4. leaching stirred tank according to claim 1, which is characterized in that stirring rod (10) is located at one end in stirred tank (6)
Equipped with stirring blade.
5. leaching stirred tank according to claim 1, which is characterized in that sealing cover (4) is equipped with door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822091072.8U CN209456525U (en) | 2018-12-13 | 2018-12-13 | A kind of leaching stirred tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822091072.8U CN209456525U (en) | 2018-12-13 | 2018-12-13 | A kind of leaching stirred tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209456525U true CN209456525U (en) | 2019-10-01 |
Family
ID=68040604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822091072.8U Expired - Fee Related CN209456525U (en) | 2018-12-13 | 2018-12-13 | A kind of leaching stirred tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209456525U (en) |
-
2018
- 2018-12-13 CN CN201822091072.8U patent/CN209456525U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 Termination date: 20211213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |