CN217127103U - Ore mining wastewater recycling device - Google Patents
Ore mining wastewater recycling device Download PDFInfo
- Publication number
- CN217127103U CN217127103U CN202221161964.0U CN202221161964U CN217127103U CN 217127103 U CN217127103 U CN 217127103U CN 202221161964 U CN202221161964 U CN 202221161964U CN 217127103 U CN217127103 U CN 217127103U
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- Prior art keywords
- pipe
- water
- thick bamboo
- section
- waste water
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- Expired - Fee Related
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- 239000002351 wastewater Substances 0.000 title claims abstract description 58
- 238000005065 mining Methods 0.000 title claims abstract description 25
- 238000004064 recycling Methods 0.000 title claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 26
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 26
- 241001330002 Bambuseae Species 0.000 claims abstract description 26
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 26
- 239000011425 bamboo Substances 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 24
- 238000005086 pumping Methods 0.000 claims description 13
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 239000003651 drinking water Substances 0.000 claims description 7
- 235000020188 drinking water Nutrition 0.000 claims description 7
- 239000003814 drug Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000000049 pigment Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000013618 particulate matter Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Water Treatment By Sorption (AREA)
Abstract
The utility model provides a device is recycled to mining waste water, including supporting the base, one side fixed mounting who supports the base top has the setting tank, and the top of setting tank is passed through the pipe and is fought fixed connection with filtering, and the inside that filters and fight is equipped with filtering component, and one side of setting tank is through first communicating pipe and a water storage section of thick bamboo fixed connection, and one side of a water storage section of thick bamboo is through drawing water the subassembly and handling a section of thick bamboo fixed connection, and the inside of handling a section of thick bamboo is equipped with stirring assembly. The utility model discloses beneficial effect: through the spout sliding connection on the arch of the coarse filtration net that is equipped with and the thin filter screen avris and the mounting bar, cooperation connecting rod and pull ring are convenient for install it, utilize coarse filtration net and thin filter screen to filter the particulate matter in the waste water of opening an ore deposit to improve the filter effect of device to waste water, adsorb the micromolecular material and the pigment in the waste water through the two-layer activated carbon plate in the absorption cylinder that is equipped with, thereby be convenient for recycle waste water.
Description
Technical Field
The utility model belongs to the technical field of ore deposit waste water treatment, concretely relates to mining waste water recycling device.
Background
Mine wastewater comprises ore dressing process drainage, tailing pond overflow water and mine drainage, the mine wastewater has the characteristics of large water quantity, high suspended matter content, more harmful substance types, lower concentration and the like, the mine wastewater also contains sulfate, chloride or hydroxide of sodium, magnesium, calcium and the like, and acid in the mine wastewater is mainly formed by mixing sulfur-containing minerals with water through air oxidation.
The existing device plays a role in recycling mining wastewater mostly when recycling the coal mine wastewater, so that the pollution of sewage to the environment is avoided, the mining wastewater is not treated, particles in the mining wastewater are not filtered, and a water body is not subjected to purification treatment, so that the wastewater can not be recycled.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ore cutting waste water recycling device aims at solving the problem that the prior device in the prior art can not handle the waste water recycling that leads to unable ore cutting waste water.
In order to achieve the above purpose, the utility model provides a following technical scheme: a mining wastewater recycling device comprises a supporting base, wherein a settling tank is fixedly mounted on one side of the top of the supporting base, the top of the settling tank is fixedly connected with a filtering hopper through a guide pipe, a filtering component is arranged inside the filtering hopper, one side of the settling tank is fixedly connected with a water storage cylinder through a first communicating pipe, one side of the water storage cylinder is fixedly connected with a treatment cylinder through a water pumping component, and a stirring component is arranged inside the treatment cylinder;
the filter assembly comprises a plurality of mounting strips and a plurality of mounting strips, the mounting strips are mounted on the inner wall of the filter hopper, a sliding groove is formed in one side of each mounting strip, the inner wall of the sliding groove is connected with the side of the coarse filter screen in a protruding and sliding mode, the middle of the bottom of the coarse filter screen is connected with the fine filter screen in a fixed mode through a connecting rod, the side of the fine filter screen is connected with the inner wall of the sliding groove in a protruding mode, and a pull ring is fixedly mounted at the top of the coarse filter screen in the middle of the top of the coarse filter screen.
In order to make and take out the water in the water storage section of thick bamboo, conduct the utility model relates to an it is preferred, the subassembly that draws water is including installing the drinking-water pipe in water storage section of thick bamboo one side, the one end of drinking-water pipe extends to the inside of water storage section of thick bamboo, and fixedly connected with filter head, the other end of drinking-water pipe and the water inlet fixed connection of suction pump, one side fixed connection of outlet pipe and a processing section of thick bamboo is passed through to the delivery port of suction pump.
In order to make and stir the inside water of a processing section of thick bamboo, as the utility model relates to an it is preferred, the stirring subassembly is including installing the driving motor at a processing section of thick bamboo top, driving motor's output shaft fixedly connected with axis of rotation, the fixed surface of axis of rotation installs a plurality of stirring leaf.
In order to make it to be convenient for clear up the material that the sediment got off, as the utility model relates to a preferred, install the fixed plate on the inner wall of setting tank, a plurality of filtration pore has been seted up in the region more than the middle part of fixed plate one side, the clearance door has been seted up to the bottom of setting tank one side.
In order to make and carry out purification treatment to waste water, as the utility model relates to an it is preferred, the top fixed mounting who handles a section of thick bamboo has the liquid reserve tank, the inside of liquid reserve tank is equipped with the liquid medicine, the bottom of liquid reserve tank alternates with the top of handling a section of thick bamboo through the feed liquor pipe and is connected, one side of handling a section of thick bamboo is equipped with the drain pipe.
In order to make the flow to waste water in the pipeline control, as the utility model relates to an it is preferred, the surface of pipe, first connecting pipe, feed liquor pipe and drain pipe all is equipped with first solenoid valve.
In order to make to control the inside electrical apparatus of device, conduct the utility model relates to an it is preferred, the top fixed mounting who supports the base has control panel, driving motor and first solenoid valve all pass through control panel and external power supply electric connection.
In order to make further mining waste water handle, the recycle of being convenient for, as the utility model relates to an it is preferred, handle second communicating pipe fixed connection on one side of a section of thick bamboo and the adsorption cylinder, the inside of adsorption cylinder is equipped with two-layer activated carbon plate, one side of adsorption cylinder is equipped with the delivery pipe, the second communicating pipe all is equipped with the second solenoid valve with the surface of delivery pipe, the second solenoid valve passes through control panel and external power supply electric connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the device is convenient to mount by matching with a connecting rod and a pull ring through the sliding connection of the bulges at the sides of the coarse filter screen and the fine filter screen and the sliding grooves on the mounting bar, and the coarse filter screen and the fine filter screen are utilized to filter particles in the mining wastewater, so that the filtering effect of the device on the wastewater is improved;
2) in sending into a treatment section of thick bamboo the liquid medicine through the liquid reserve tank cooperation feed liquor pipe that is equipped with, cooperation driving motor drives the axis of rotation and rotates, and the axis of rotation drives a plurality of stirring leaf and stirs waste water, and the improvement device adsorbs the purification efficiency of waste water, and the cooperation adsorbs two-layer activated carbon plate in the section of thick bamboo and adsorbs the micromolecule material and the pigment in the waste water to be convenient for recycle waste water.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a settling tank in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a filter assembly according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a water pumping assembly in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a stirring assembly in embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1. a support base; 11. a control panel; 2. a settling tank; 21. a conduit; 22. a first communication pipe; 23. a fixing plate; 24. a filtration pore; 25. cleaning the door; 3. a filter hopper; 4. a filter assembly; 41. mounting a bar; 42. a chute; 43. a coarse filter screen; 44. a connecting rod; 45. a fine filter screen; 46. a pull ring; 5. a water storage cylinder; 6. a water pumping assembly; 61. a water pumping pipe; 62. a filter head; 63. a water pump; 64. a water outlet pipe; 7. a treatment cylinder; 71. a liquid storage tank; 72. a liquid inlet pipe; 73. a drain pipe; 8. a stirring assembly; 81. a drive motor; 82. a rotating shaft; 83. stirring blades; 9. a first solenoid valve; 10. an adsorption cylinder; 101. a second communicating pipe; 102. an activated carbon plate; 103. a discharge pipe; 104. a second solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the present invention provides the following technical solutions: a mining wastewater recycling device comprises a supporting base 1, wherein a settling tank 2 is fixedly mounted on one side of the top of the supporting base 1, the top of the settling tank 2 is fixedly connected with a filtering hopper 3 through a guide pipe 21, a filtering component 4 is arranged inside the filtering hopper 3, one side of the settling tank 2 is fixedly connected with a water storage barrel 5 through a first communication pipe 22, one side of the water storage barrel 5 is fixedly connected with a treatment barrel 7 through a water pumping component 6, and a stirring component 8 is arranged inside the treatment barrel 7;
filter assembly 4 is including installing a plurality of mounting bar 41 on filter hopper 3 inner wall, spout 42 has all been seted up to one side of a plurality of mounting bar 41, the inner wall of spout 42 and the protruding sliding connection of coarse filtration net 43 avris, connecting rod 44 and thin filter net 45 fixed connection are passed through to the middle part of coarse filtration net 43 bottom, the inner wall sliding connection of protruding and spout 42 is passed through to the avris of thin filter net 45, the middle part fixed mounting at coarse filtration net 43 top has pull ring 46.
During the specific use, utilize spout 42 sliding connection on protruding and the mounting bar 41, cooperation pull ring 46 and connecting rod 44 are convenient for install coarse filtration net 43 and fine filtration net 45 to carry out secondary filter to the mining waste water, filter the particulate matter of crossing in the waste water.
In this embodiment, the water pumping assembly 6 includes a water pumping pipe 61 installed on one side of the water storage barrel 5, one end of the water pumping pipe 61 extends to the inside of the water storage barrel 5, and is fixedly connected with a filter 62, the other end of the water pumping pipe 61 is fixedly connected with a water inlet of a water pumping pump 63, and a water outlet of the water pumping pump 63 is fixedly connected with one side of the processing barrel 7 through a water outlet pipe 64.
When the device is used, the water pump 63 is matched with the water pumping pipe 61 and the filter head 62 to pump out waste water in the water storage cylinder 5, and then the waste water enters the treatment cylinder 7 from the water outlet pipe 64.
In this embodiment, the stirring assembly 8 includes a driving motor 81 installed at the top of the treatment cylinder 7, an output shaft of the driving motor 81 is fixedly connected with a rotating shaft 82, and a plurality of stirring blades 83 are fixedly installed on the surface of the rotating shaft 82.
When the stirring device is used specifically, the driving motor 81 is utilized to drive the rotating shaft 82 to rotate, and the rotating shaft 82 drives the stirring blades 83 to rotate, so that the wastewater is stirred.
In this embodiment, install fixed plate 23 on the inner wall of setting tank 2, a plurality of filtration pore 24 has been seted up in the region more than fixed plate 23 one side middle part, and clearance door 25 has been seted up to the bottom of setting tank 2 one side.
When the device is used specifically, the waste water is filtered by the plurality of filtering holes 24, and the settled substances are cleaned by the cleaning door 25.
In this embodiment, the top fixed mounting of a processing section of thick bamboo 7 has liquid reserve tank 71, and the inside of liquid reserve tank 71 is equipped with the liquid medicine, and the bottom of liquid reserve tank 71 is passed through feed liquor pipe 72 and is connected with the top interlude of a processing section of thick bamboo 7, and one side of a processing section of thick bamboo 7 is equipped with drain pipe 73.
When the device is used specifically, the liquid storage tank 71 is matched with the liquid inlet pipe 72 to send liquid medicine into the treatment barrel 7, so that the ore-mining wastewater is convenient to purify.
In this embodiment, the first electromagnetic valve 9 is disposed on the surfaces of the conduit 21, the first communicating pipe 22, the liquid inlet pipe 72 and the water outlet pipe 73.
In particular, it is used. The flow rate of the wastewater in the guide pipe 21, the first communication pipe 22, the liquid inlet pipe 72 and the water outlet pipe 73 is controlled by the first electromagnetic valve 9.
In this embodiment, the top fixed mounting who supports base 1 has control panel 11, and driving motor 81 and first solenoid valve 9 all pass through control panel 11 and external power supply electric connection.
In specific use, the driving motor 81 and the first solenoid valve 9 are controlled by the control panel 11.
The working principle is as follows: connect it with external power source when using this equipment, at first, pour into the mining waste water in filter hopper 3, carry out secondary filter through coarse filtration net 43 and fine filter net 45 to waste water, separate out the solid particle thing in the waste water, then deposit in getting into setting tank 2 through pipe 21, in getting into water storage cylinder 5 through first connecting pipe 22 after that, utilize suction pump 63 cooperation drinking-water pipe 61 and filter head 62, take out the waste water in the water storage cylinder 5, and send into in handling cylinder 7 through outlet pipe 64, utilize liquid reserve tank 71 cooperation feed liquor pipe 72 to send into inside handling cylinder 7 with the liquid medicine, at this moment, start driving motor 81 and drive axis of rotation 82 and rotate, axis of rotation 82 drives a plurality of stirring leaf 83 and rotates, thereby stir waste water, thereby be convenient for carry out purification treatment to mining waste water, be convenient for carry out recycle to waste water.
Example 2
Referring to fig. 6, in order to further treat the ore-mining wastewater for recycling, the embodiment is characterized by the following: in this embodiment, one side of the treatment canister 7 is fixedly connected to the second communicating pipe 101 on the adsorption canister 10, two layers of activated carbon plates 102 are disposed inside the adsorption canister 10, the discharge pipe 103 is disposed on one side of the adsorption canister 10, the surfaces of the second communicating pipe 101 and the discharge pipe 103 are both provided with the second electromagnetic valve 104, and the second electromagnetic valve 104 is electrically connected to the external power supply through the control panel 11.
When the device is used specifically, wastewater is sent into the adsorption cylinder 10 by the second communicating pipe 101, and micromolecule substances and pigments in the wastewater are adsorbed by the two layers of activated carbon plates 102, so that recycling of ore mining wastewater is facilitated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a device is recycled to mining waste water, includes support base (1), its characterized in that: a settling tank (2) is fixedly mounted on one side of the top of the supporting base (1), the top of the settling tank (2) is fixedly connected with a filter hopper (3) through a guide pipe (21), a filter component (4) is arranged inside the filter hopper (3), one side of the settling tank (2) is fixedly connected with a water storage cylinder (5) through a first communicating pipe (22), one side of the water storage cylinder (5) is fixedly connected with a treatment cylinder (7) through a water pumping component (6), and a stirring component (8) is arranged inside the treatment cylinder (7);
filter component (4) are including installing a plurality of mounting bar (41), a plurality of on filter hopper (3) inner wall spout (42) have all been seted up to one side of mounting bar (41), the inner wall of spout (42) and the protruding sliding connection of coarse filtration net (43) avris, connecting rod (44) and fine filtration net (45) fixed connection are passed through to the middle part of coarse filtration net (43) bottom, the avris of fine filtration net (45) is through the protruding inner wall sliding connection with spout (42), the middle part fixed mounting at coarse filtration net (43) top has pull ring (46).
2. The ore-mining wastewater recycling device according to claim 1, characterized in that: the subassembly (6) of drawing water is including installing drinking-water pipe (61) in water storage section of thick bamboo (5) one side, the one end of drinking-water pipe (61) extends to the inside of water storage section of thick bamboo (5), and fixedly connected with filter (62), the other end of drinking-water pipe (61) and the water inlet fixed connection of suction pump (63), the delivery port of suction pump (63) passes through outlet pipe (64) and one side fixed connection who handles a section of thick bamboo (7).
3. The ore-mining wastewater recycling device according to claim 2, characterized in that: stirring subassembly (8) are including installing driving motor (81) at a processing section of thick bamboo (7) top, the output shaft fixedly connected with axis of rotation (82) of driving motor (81), the fixed surface of axis of rotation (82) installs a plurality of stirring leaf (83).
4. The ore-mining wastewater recycling device according to claim 1, characterized in that: install fixed plate (23) on the inner wall of setting tank (2), a plurality of filtration pore (24) have been seted up in the region more than fixed plate (23) one side middle part, cleaning door (25) have been seted up to the bottom of setting tank (2) one side.
5. The ore-mining wastewater recycling device according to claim 1, characterized in that: the top fixed mounting who handles a section of thick bamboo (7) has liquid reserve tank (71), the inside of liquid reserve tank (71) is equipped with the liquid medicine, the bottom of liquid reserve tank (71) is passed through feed liquor pipe (72) and is connected with the top interlude of handling a section of thick bamboo (7), one side of handling a section of thick bamboo (7) is equipped with drain pipe (73).
6. The ore-mining wastewater recycling device according to claim 3, characterized in that: the surfaces of the guide pipe (21), the first communicating pipe (22), the liquid inlet pipe (72) and the water outlet pipe (73) are all provided with first electromagnetic valves (9).
7. The mining wastewater recycling device according to claim 6, characterized in that: the top fixed mounting who supports base (1) has control panel (11), driving motor (81) and first solenoid valve (9) all pass through control panel (11) and external power supply electric connection.
8. The ore-mining wastewater recycling device according to claim 1, characterized in that: one side of the treatment cylinder (7) is fixedly connected with a second communicating pipe (101) on the adsorption cylinder (10), two layers of activated carbon plates (102) are arranged inside the adsorption cylinder (10), a discharge pipe (103) is arranged on one side of the adsorption cylinder (10), second electromagnetic valves (104) are arranged on the surfaces of the second communicating pipe (101) and the discharge pipe (103), and the second electromagnetic valves (104) are electrically connected with an external power supply through a control panel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221161964.0U CN217127103U (en) | 2022-05-16 | 2022-05-16 | Ore mining wastewater recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221161964.0U CN217127103U (en) | 2022-05-16 | 2022-05-16 | Ore mining wastewater recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217127103U true CN217127103U (en) | 2022-08-05 |
Family
ID=82615998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221161964.0U Expired - Fee Related CN217127103U (en) | 2022-05-16 | 2022-05-16 | Ore mining wastewater recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217127103U (en) |
-
2022
- 2022-05-16 CN CN202221161964.0U patent/CN217127103U/en not_active Expired - Fee Related
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| 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: 20220805 |