CN210304035U - Soil remediation's preprocessing device - Google Patents
Soil remediation's preprocessing device Download PDFInfo
- Publication number
- CN210304035U CN210304035U CN201921120217.0U CN201921120217U CN210304035U CN 210304035 U CN210304035 U CN 210304035U CN 201921120217 U CN201921120217 U CN 201921120217U CN 210304035 U CN210304035 U CN 210304035U
- Authority
- CN
- China
- Prior art keywords
- plate
- storehouse
- soil
- soil remediation
- thick bamboo
- 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
- 239000002689 soil Substances 0.000 title claims abstract description 64
- 238000005067 remediation Methods 0.000 title claims abstract description 24
- 238000007781 pre-processing Methods 0.000 title claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 12
- 241001330002 Bambuseae Species 0.000 claims abstract description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 12
- 239000011425 bamboo Substances 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 238000005485 electric heating Methods 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims 3
- 239000012535 impurity Substances 0.000 abstract description 14
- 238000012545 processing Methods 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 4
- 206010024796 Logorrhoea Diseases 0.000 abstract description 2
- 238000007790 scraping Methods 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010170 biological method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a prosthetic preprocessing device of soil, concretely relates to soil remediation field, including handling the storehouse, it is equipped with a feeding section of thick bamboo to handle storehouse one end top, the inside one end in processing storehouse is equipped with collects storehouse and installation storehouse, inside division board, hang plate, electric plate, vibrating device, hydro-cylinder and the push pedal of being equipped with in installation storehouse, the fixed buffer frame that is equipped with of feeding section of thick bamboo inner wall, be equipped with the filter plate between processing storehouse and the feeding section of thick bamboo, the feeding section of thick bamboo outside is equipped with the regulating plate, the regulating plate bottom end is fixed and is equipped with the doctor-bar, the hang plate includes roof, bottom plate, dead lever, vibrating head and spring, vibrating device includes support frame, motor, pivot and contact piece. The utility model discloses wholly can avoid appearing the caking and during moist soil gets into subsequent processing, further improvement soil quality after restoreing can avoid clod or impurity to lead to the fact the destruction to the filter plate directly down, can separate miscellaneous soil and clod top is garrulous simultaneously to improve the preliminary treatment speed.
Description
Technical Field
The utility model relates to a soil remediation technical field, more specifically say, the utility model relates to a soil remediation's preprocessing device.
Background
The soil remediation is a technical measure for restoring the normal function of polluted soil, and the soil remediation refers to transferring, absorbing and reducing pollutants in the soil by using physical, chemical and biological methods, so that the concentration of the pollutants is reduced to an acceptable level, or toxic and harmful pollutants are converted into harmless substances.
The existing pretreatment device for soil remediation still has the defects in actual use, caking and moist soil cannot be eliminated after the pretreatment device is used for treating the soil, the quality of the soil after the soil remediation is reduced, large-size soil blocks or impurities do not have a buffer measure directly, the filter screen can be damaged, the impurities and the soil are inconvenient to separate, the soil blocks cannot be crushed, and the pretreatment speed is reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a soil remediation's preprocessing device, wholly can evenly lay soil, carry out dry and broken preliminary treatment work to it again, in avoiding appearing caking and moist soil entering subsequent processing, quality after further improvement soil remediation, wholly can avoid great bulky clod or impurity to lead to the fact the destruction to the filter plate directly down, can separate impurity and soil simultaneously, and break up the clod, thereby improve the preliminary treatment speed.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a soil remediation's preprocessing device, is including handling the storehouse, it is equipped with a feeding section of thick bamboo to handle storehouse one end top, the inside one end in processing storehouse is equipped with collects the storehouse and installs the storehouse, inside division board, hang plate, electric plate, vibrating device, hydro-cylinder and the push pedal of being equipped with in installation storehouse, feeding section of thick bamboo inner wall is fixed and is equipped with the buffering frame, it is equipped with the filter plate to handle between storehouse and the feeding section of thick bamboo, the feeding section of thick bamboo outside is equipped with the regulating plate, the regulating plate bottom end is fixed and is equipped with the doctor-bar, the hang plate includes roof, bottom plate, dead lever, vibrating head and spring, vibrating device includes support frame, motor, pivot and contact piece, the buffering frame includes first.
In a preferred embodiment, the top end of the treatment bin is embedded with a breathable net, the breathable net is positioned above the inclined plate, the other end of the treatment bin is provided with a discharge hole, and the discharge hole is arranged corresponding to the horizontal direction of the push plate.
In a preferred embodiment, the installation bin is positioned at the bottom side of the collection bin, and the feeding barrel is positioned at the joint of the treatment bin, the collection bin and the installation bin.
In a preferred embodiment, the isolation plate is arranged at the middle end in the installation cabin, the inclined plate is arranged above the electric heating plate and the vibration device, the vibration device and the electric heating plate are fixedly arranged above the isolation plate, and the vibration device is arranged at one end of the electric heating plate.
In a preferred embodiment, the oil cylinder and the push plate are arranged below the isolation plate, the push plate is fixedly arranged at one end of the oil cylinder, and the push plate is movably arranged inside the treatment bin.
In a preferred embodiment, the adjusting plate is positioned between the feeding cylinder and the air permeable net, and the adjusting plate is fixed with the feeding cylinder through screws, and the adjusting plate penetrates through the top end of the interior of the treatment bin.
In a preferred embodiment, the top plate is located above the bottom plate, the springs are located at two ends between the top plate and the bottom plate, the vibrating head is fixedly arranged at the top end of the fixing rod, and the fixing rod and the vibrating head are both arranged at the middle end between the top plate and the bottom plate.
In a preferred embodiment, the motor is fixedly arranged on the support frame, the rotating shaft is fixedly arranged at the end part of the motor, and the contact pieces are provided with a plurality of groups around the surface of the rotating shaft.
In a preferred embodiment, the first elastic piece and the second elastic piece are both arranged in an arc shape, the second elastic piece is fixedly arranged at the bottom of the first elastic piece, and a plurality of groups are arranged in the vertical direction of the buffer frame.
The utility model discloses a technological effect and advantage:
1. the utility model can uniformly lay the soil, and then carry out the pretreatment work of drying and crushing, thereby avoiding the occurrence of caking and the entering of moist soil into the subsequent treatment, and further improving the quality of the soil after remediation;
2. the utility model discloses wholly can avoid the clod or the impurity of great volume to cause the destruction to the filter plate directly down, can separate impurity and soil simultaneously to it is garrulous to jolt the clod, thereby improves the preliminary treatment speed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a schematic view of the inclined plate structure of the present invention.
Fig. 4 is a schematic structural diagram of the vibration device of the present invention.
Fig. 5 is a schematic view of the structure of the buffer frame of the present invention.
The reference signs are: 1, a treatment bin, 2, a feeding barrel, 3, a collection bin, 4, an installation bin, 5, an isolation plate, 6, an inclined plate, 7, an electric heating plate, 8, a vibration device, 9 oil cylinders, 10 push plates, 11 buffer frames, 12 breathable nets, 13 discharge ports, 14 filter plates, 15 adjusting plates, 16 scraping blades, 17 top plates, 18 bottom plates, 19 fixing rods, 20 vibration heads, 21 springs, 22 support frames, 23 motors, 24 rotating shafts, 25 contact pieces, 26 first elastic pieces and 27 second elastic pieces;
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.
The utility model provides a pre-treatment device for soil remediation as shown in figures 1-5, which comprises a treatment bin 1, a feeding cylinder 2 is arranged above one end of the treatment bin 1, a collecting bin 3 and an installation bin 4 are arranged at one end inside the treatment bin 1, the inside of the installation bin 4 is provided with a separation plate 5, an inclined plate 6, an electric heating plate 7, a vibrating device 8, an oil cylinder 9 and a push plate 10, a buffer frame 11 is fixedly arranged on the inner wall of the feeding cylinder 2, a filter plate 14 is arranged between the treatment bin 1 and the feeding cylinder 2, an adjusting plate 15 is arranged on the outer side of the feeding cylinder 2, a scraping blade 16 is fixedly arranged at the bottom end of the adjusting plate 15, the inclined plate 6 comprises a top plate 17, a bottom plate 18, a fixing rod 19, a vibrating head 20 and a spring 21, the vibration device 8 comprises a support frame 22, a motor 23, a rotating shaft 24 and a contact piece 25, and the buffer frame 11 comprises a first elastic piece 26 and a second elastic piece 27.
Further, in the above technical scheme, a ventilation net 12 is embedded at the top end of the treatment bin 1, the ventilation net 12 is positioned above the inclined plate 6, a discharge port 13 is arranged at the other end of the treatment bin 1, and the discharge port 13 is arranged corresponding to the push plate 10 in the horizontal direction;
further, in the above technical solution, the installation bin 4 is located at the side of the bottom of the collection bin 3, and the feeding cylinder 2 is located at the joint of the treatment bin 1, the collection bin 3 and the installation bin 4;
further, in the above technical solution, the isolation plate 5 is disposed at the middle end inside the installation bin 4, the inclined plate 6 is disposed above the electric heating plate 7 and the vibration device 8, the vibration device 8 and the electric heating plate 7 are fixedly disposed above the isolation plate 5, and the vibration device 8 is located at one end of the electric heating plate 7;
further, in the above technical solution, the oil cylinder 9 and the push plate 10 are disposed below the isolation plate 5, and the push plate 10 is fixedly disposed at one end of the oil cylinder 9, and the push plate 10 is movably disposed inside the processing bin 1;
further, in the above technical solution, the adjusting plate 15 is located between the feeding cylinder 2 and the ventilation net 12, the adjusting plate 15 is fixed to the feeding cylinder 2 through screws, and the adjusting plate 15 penetrates through the top end of the interior of the treatment bin 1;
further, in the above technical solution, the top plate 17 is located above the bottom plate 18, the springs 21 are located at two ends between the top plate 17 and the bottom plate 18, the vibration head 20 is fixedly arranged at the top end of the fixed rod 19, and the fixed rod 19 and the vibration head 20 are both arranged at the middle end between the top plate 17 and the bottom plate 18;
further, in the above technical solution, the motor 23 is fixedly arranged on the support frame 22, the rotating shaft 24 is fixedly arranged at the end of the motor 23, and the contact pieces 25 are provided with a plurality of groups around the surface of the rotating shaft 24;
further, in the above technical solution, the first elastic piece 26 and the second elastic piece 27 are both arranged in an arc shape, the second elastic piece 27 is fixedly arranged at the bottom of the first elastic piece 26, and the buffer frame 11 is provided with a plurality of groups in the vertical direction.
The utility model discloses the theory of operation:
referring to the attached drawings 1-4 of the specification, the height of an adjusting plate 15 is adjusted to enable a proper distance to be reserved between a scraping blade 16 and an inclined plate 6, the adjusting plate 15 and the outer side of a feeding cylinder 2 are fixed through screws, wherein the scraping blade 16 is an arc-shaped scraping blade, the arc center of the scraping blade is far away from a filter plate 14, soil enters a treatment bin 1 through the feeding cylinder 2 and falls on the inclined plate 6, when the soil passes through the scraping blade 16, the soil uniformly passes below the scraping blade 16 under the blocking of the arc-shaped surface of the soil, meanwhile, the soil passes through the smaller thickness of the soil and does not have larger soil blocks, an electric heating plate 7 is connected with an external power supply and a switch, the temperature of the surface of the inclined plate 6 can be increased during working, so that the soil uniformly paved on the inclined plate 6 is dried, water vapor is discharged through a breathable net 12, the rotating end of a rotating shaft 24 is fixedly connected with a motor, when a plurality of groups of thin elastic contact pieces 25 which are arranged around the surface of the processing bin at equal intervals are connected with a bottom plate 18, the bottom plate 18 can move upwards, at the moment, a spring 21 is compressed, a fixed rod 19 and a vibrating head 20 move upwards along the fixed rod 19 and the vibrating head 20, a plurality of groups are arranged at equal intervals along the direction of the bottom plate 18, the top plate 17 can be impacted from the bottom to generate vibration, the spring 21 rebounds to push the bottom plate 18 to enable the vibrating head 20 to be far away from the top plate 17, the process is continuously carried out under the driving of a motor 23, so that the soil moves downwards along the surface of the top plate 17, meanwhile, the soil of a drying junction plate can be crushed through the multipoint impact, an oil cylinder 9 is connected with an external power supply and a switch, during operation, a push plate 10 can be pushed to push the soil after the internal processing of the processing bin 1 out through a discharge port 13, the next processing procedure can be conveniently, the caking and the moist soil are prevented from entering the subsequent treatment, and the quality of the soil after remediation is further improved;
referring to the attached fig. 1 and 5 of the specification, when soil enters through the feeding cylinder 2, the inner wall of the feeding cylinder 2 is provided with a plurality of groups of buffer frames 11, and only one group of buffer frames 11 exists at the same height position, when falling soil contacts the first elastic sheet 26, one end of the first elastic sheet 26 is bent downwards, one end of the second elastic sheet 27 is fixed with the inner side of one end of the first elastic sheet 26, meanwhile, the other end of the first elastic sheet 26 and the other end of the second elastic sheet 27 are fixed on the inner wall of the feeding cylinder 2, when soil contains soil blocks or impurities with larger volume, the soil blocks or impurities contact the first elastic sheet 26, the soil blocks or impurities slowly pass through the first elastic sheet 26 under the support of the second elastic sheet 27, meanwhile, the restoring force of the first elastic sheet 26 can crush the soil blocks, the filter plates 14 arranged obliquely filter the impurities, and enable the impurities to enter the collecting bin 3, and the whole can avoid the damage to the filter plates 14 caused by the soil blocks with larger volume or the impurities directly, simultaneously, impurities can be separated from the soil, and the soil blocks are crushed, so that the pretreatment speed is improved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a soil remediation's preprocessing device, includes handles storehouse (1), its characterized in that, it is equipped with feeding section of thick bamboo (2) to handle storehouse (1) one end top, handle the inside one end in storehouse (1) and be equipped with and collect storehouse (3) and installation storehouse (4), installation storehouse (4) inside is equipped with division board (5), hang plate (6), electric plate (7), vibrating device (8), hydro-cylinder (9) and push pedal (10), feeding section of thick bamboo (2) inner wall is fixed and is equipped with buffer bracket (11), it is equipped with filter plate (14) to handle between storehouse (1) and feeding section of thick bamboo (2), the feeding section of thick bamboo (2) outside is equipped with regulating plate (15), regulating plate (15) bottom mounting is equipped with doctor-bar (16), hang plate (6) include roof (17), bottom plate (18), dead lever (19), vibration head (20) and spring (21), the vibration device (8) comprises a support frame (22), a motor (23), a rotating shaft (24) and a contact piece (25), and the buffer frame (11) comprises a first elastic piece (26) and a second elastic piece (27).
2. The soil remediation pretreatment device according to claim 1, wherein a ventilation net (12) is embedded at the top end of the treatment bin (1), the ventilation net (12) is located above the inclined plate (6), a discharge port (13) is formed at the other end of the treatment bin (1), and the discharge port (13) and the push plate (10) are arranged in a horizontal direction correspondingly.
3. A soil remediation pretreatment device according to claim 1, wherein the installation bin (4) is located at the bottom side of the collection bin (3), and the feed cylinder (2) is located at the junction of the treatment bin (1), the collection bin (3) and the installation bin (4).
4. A soil remediation pretreatment device according to claim 1, wherein the isolation plate (5) is located at the central interior end of the installation chamber (4), the inclined plate (6) is located above the electric heating plate (7) and the vibration device (8), the vibration device (8) and the electric heating plate (7) are fixedly located above the isolation plate (5), and the vibration device (8) is located at one end of the electric heating plate (7).
5. The pretreatment device for soil remediation according to claim 1, wherein the oil cylinder (9) and the push plate (10) are arranged below the isolation plate (5), the push plate (10) is fixedly arranged at one end of the oil cylinder (9), and the push plate (10) is movably arranged inside the treatment bin (1).
6. A soil remediation pretreatment device according to claim 1, wherein the conditioning plate (15) is located between the feed cylinder (2) and the air permeable net (12), and the conditioning plate (15) is fixed to the feed cylinder (2) by screws, and the conditioning plate (15) extends through the top end of the interior of the treatment chamber (1).
7. A soil remediation pretreatment device as claimed in claim 1, wherein the top plate (17) is located above the bottom plate (18), the springs (21) are located at both ends between the top plate (17) and the bottom plate (18), the vibrating head (20) is fixedly arranged at the top end of the fixed rod (19), and both the fixed rod (19) and the vibrating head (20) are arranged at the middle end between the top plate (17) and the bottom plate (18).
8. A soil remediation pretreatment device according to claim 1, wherein the motor (23) is fixedly mounted to the support frame (22), the shaft (24) is fixedly mounted to an end of the motor (23), and the contact strips (25) are arranged in groups around the surface of the shaft (24).
9. A soil remediation pretreatment device according to claim 1, wherein the first and second resilient sheets (26, 27) are arranged in an arc shape, the second resilient sheet (27) is fixedly arranged at the bottom of the first resilient sheet (26), and the buffer frame (11) is provided with a plurality of groups in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921120217.0U CN210304035U (en) | 2019-07-16 | 2019-07-16 | Soil remediation's preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921120217.0U CN210304035U (en) | 2019-07-16 | 2019-07-16 | Soil remediation's preprocessing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210304035U true CN210304035U (en) | 2020-04-14 |
Family
ID=70123698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921120217.0U Expired - Fee Related CN210304035U (en) | 2019-07-16 | 2019-07-16 | Soil remediation's preprocessing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210304035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117696172A (en) * | 2024-02-06 | 2024-03-15 | 泓承新材料(山西)有限公司 | Crusher for processing aluminum ore raw materials |
-
2019
- 2019-07-16 CN CN201921120217.0U patent/CN210304035U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117696172A (en) * | 2024-02-06 | 2024-03-15 | 泓承新材料(山西)有限公司 | Crusher for processing aluminum ore raw materials |
| CN117696172B (en) * | 2024-02-06 | 2024-04-16 | 泓承新材料(山西)有限公司 | Crusher for processing aluminum ore raw materials |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106944348B (en) | A kind of medical medicinal material dehumidifying and screening integration apparatus | |
| CN206597707U (en) | A kind of sizing screening formula rice dedusting drying plant | |
| CN210045690U (en) | Dust collector for cutting equipment of printing machine | |
| CN210304035U (en) | Soil remediation's preprocessing device | |
| CN115318723A (en) | Tubular part cleaning device with efficient cleaning function for hardware machining | |
| CN208894333U (en) | A kind of crusher with lancing device | |
| CN105344601B (en) | Block-resistant type rotary screen with two level screening plant | |
| CN114525672A (en) | Lint removing device for textile machinery and using method thereof | |
| CN114054349A (en) | Ore crushing dust fall recovery processing device | |
| CN109046938A (en) | A kind of architectural engineering river sand screening plant | |
| CN203507657U (en) | Quick-demountable impurity removal device with rotary cage | |
| CN205550810U (en) | A online vibration screening device for old and useless PET bottle piece | |
| CN211105789U (en) | Dregs of a decoction recovery unit in herbal pieces-course of working | |
| CN103014926A (en) | Movable cover plate impurity removing device | |
| CN208321293U (en) | A kind of vibration screening device of graphite powder | |
| CN208866857U (en) | A kind of parts machining scrap recovery structure | |
| CN113899870A (en) | Reinforced remote detection quality control instrument with protection structure and application method thereof | |
| CN105734681B (en) | A kind of anti-clogging cotton block collection structure | |
| CN204469903U (en) | Adjustable tealeaves impurity elimination mechanism | |
| CN221514639U (en) | Steel slag treatment device | |
| CN218361233U (en) | Dust collecting device for aggregate processing | |
| CN219028119U (en) | Filter equipment is used in crushing of abandonment tire | |
| CN221183200U (en) | Electrostatic impurity removing device for tea production | |
| CN216033179U (en) | Gilding press with dust removal function | |
| CN218424091U (en) | Withering sieve for tea screening |
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: 20200414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |