CN217724671U - Alcohol precipitation tank for refining and separating traditional Chinese medicine decoction - Google Patents

Alcohol precipitation tank for refining and separating traditional Chinese medicine decoction Download PDF

Info

Publication number
CN217724671U
CN217724671U CN202221620884.7U CN202221620884U CN217724671U CN 217724671 U CN217724671 U CN 217724671U CN 202221620884 U CN202221620884 U CN 202221620884U CN 217724671 U CN217724671 U CN 217724671U
Authority
CN
China
Prior art keywords
sleeve
rotating shaft
alcohol precipitation
chinese medicine
traditional chinese
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.)
Active
Application number
CN202221620884.7U
Other languages
Chinese (zh)
Inventor
杨元喜
陈旺中
汪宏章
李为波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Taizi Pharmaceutical Co ltd
Original Assignee
Hubei Taizi Pharmaceutical Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hubei Taizi Pharmaceutical Co ltd filed Critical Hubei Taizi Pharmaceutical Co ltd
Priority to CN202221620884.7U priority Critical patent/CN217724671U/en
Application granted granted Critical
Publication of CN217724671U publication Critical patent/CN217724671U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The application relates to a refined separation of traditional chinese medicine decoction is with alcohol precipitation jar, it includes: jar body, pivot, scraper blade subassembly, drive assembly and drive assembly, the scraper blade subassembly includes scraper blade, sleeve, fixed plate and connecting plate, the fixed plate is established in the pivot, the sleeve cover is established on the fixed plate and is connected with the scraper blade, the connecting plate rotates and sets up on the sleeve, the drive assembly includes first sleeve and push-and-pull subassembly, first sleeve pipe is established in the pivot and is connected with the connecting plate, push-and-pull subassembly and first sleeve union coupling, this application accessible push-and-pull subassembly drives first sleeve and reciprocates, makes first sleeve drive the scraper blade through the connecting plate and is close to or keeps away from to the pivot direction, when jar internal wall is stained with impurity, can make a plurality of scraper blades keep away from and hug closely jar internal wall to the pivot direction, just so can scrape the impurity of adhesion at jar internal wall through the pivoted scraper blade, can make the scraper blade be close to the pivot direction simultaneously and use as the puddler, and the practicality is strong.

Description

Alcohol precipitation tank for refining and separating traditional Chinese medicine decoction
Technical Field
The application relates to the technical field of traditional Chinese medicine production, in particular to an alcohol precipitation tank for refining and separating traditional Chinese medicine decoction.
Background
The traditional Chinese medicine decoction extract contains a large amount of components such as protein, tanning, resin, starch, mucus, pectin, pigment and the like, and in the traditional Chinese medicine extraction and purification operation, the components are effectively removed, the active ingredients are enriched, the clarity and stability of a liquid preparation are improved, and the dosage of a solid preparation is reduced; the ethanol precipitation method (called alcohol precipitation method for short) is a method for refining and removing impurities from water extract of traditional Chinese medicine widely used at present, and the principle is that by utilizing the characteristic that effective components can be dissolved in ethanol and the above-mentioned impurity components are not dissolved in ethanol solution, after ethanol is added into the concentrated water extract of traditional Chinese medicine to reach a certain concentration, the effective components are dissolved in ethanol solution, and other components are precipitated and removed.
When the existing alcohol precipitation tank is used, some precipitates are easily adhered to the inner wall of the tank body, and after the existing alcohol precipitation tank is used up, impurities adhered to the inner wall of the tank body need to be cleaned through manual work, so that a large amount of manpower can be consumed, and meanwhile, the existing alcohol precipitation tank is slow in working efficiency and very inconvenient.
In order to solve the problems, an alcohol precipitation tank for refining and separating a traditional Chinese medicine decoction is designed at present.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a refined separation of traditional chinese medicine decoction liquid is with alcohol precipitation jar to impurity adhesion is at the problem of the interior wall of alcohol precipitation jar clearance of not being convenient for among the solution correlation technique.
In a first aspect, an alcohol precipitation tank for refining and separating a traditional Chinese medicine decoction is provided, which comprises:
a tank body;
the rotating shaft is rotatably arranged in the tank body;
the scraper components comprise scrapers, sleeves, fixed plates and connecting plates, the fixed plates are arranged on the rotating shafts, the sleeves are sleeved on the fixed plates, the scrapers are connected with the sleeves, and the connecting plates are rotatably arranged on the sleeves;
the transmission assembly comprises a first sleeve and a push-pull assembly, the first sleeve is sleeved on the rotating shaft and is rotatably connected with one end, far away from the sleeve, of the connecting plate, and the push-pull assembly is arranged on the tank body and is connected with the first sleeve so as to push the first sleeve to move up and down;
and the driving component is arranged on the tank body and connected with the rotating shaft so as to drive the rotating shaft to rotate.
In some embodiments, the push-pull assembly includes a slider and an air cylinder, the air cylinder is disposed on the tank body, the slider is slidably disposed in the rotating shaft and connected to the first sleeve, and the slider is rotatably connected to a lower end of the air cylinder.
In some embodiments, the driving assembly includes a motor, and a first gear and a second gear engaged with each other, the first gear is disposed on the rotating shaft, and the second gear is connected to the motor.
In some embodiments, the scraper assembly further comprises a plurality of guide sleeves and guide rods, the guide sleeves are arranged on the scraper, the guide rods are arranged on the rotating shaft, and the guide sleeves are sleeved on the guide rods.
In some embodiments, further comprising an agitation assembly, the agitation assembly comprising:
the second sleeve is sleeved on the rotating shaft;
a plurality of stirring blades arranged on the second sleeve;
and the lifting assembly is arranged in the tank body and is connected with the second sleeve pipe, and when the rotating shaft rotates, the lifting assembly drives the second sleeve pipe to do up-and-down reciprocating motion.
In some embodiments, the lifting assembly comprises a matching block, a fixed frame and a reciprocating screw rod, the matching block is slidably arranged in the rotating shaft and is connected with the second sleeve, the reciprocating screw rod is rotatably arranged in the rotating shaft and is matched with the matching block, and the fixed frame is arranged in the tank body and is connected with the lower end of the reciprocating screw rod.
The embodiment of the application provides a refined separation of liquid of decocting traditional chinese medicine is with alcohol precipitation jar, because this application is when using, accessible push-and-pull subassembly drives first sleeve and reciprocates, make first sleeve pass through the connecting plate and drive the scraper blade and be close to or keep away from to the pivot direction, when jar inner wall is stained with impurity like this, just can make a plurality of scraper blades keep away from and hug closely jar inner wall to the pivot direction, when driving the pivot through drive assembly and rotating like this, will drive a plurality of scraper blades and rotate, thereby scrape the impurity of adhesion at jar inner wall through a plurality of scraper blades, when need not strike off impurity simultaneously, can make the scraper blade be close to the pivot direction and use as the puddler, consequently, the impurity of jar inner wall is scraped to this application accessible scraper blade is automatic, just need not clearing up through the manual work, and convenient use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram provided in an embodiment of the present application;
FIG. 2 is a schematic cross-sectional structure provided in an embodiment of the present application;
fig. 3 is a schematic three-dimensional structure diagram of a first sleeve according to an embodiment of the present application.
In the figure: 1. a tank body; 2. a rotating shaft; 3. a squeegee assembly; 31. a squeegee; 32. a sleeve; 33. a fixing plate; 34. a connecting plate; 35. a guide sleeve; 36. a guide rod; 4. a transmission assembly; 41. a first sleeve; 42. a slider; 43. a cylinder; 5. a drive assembly; 51. a first gear; 52. a second gear; 53. a motor; 6. a stirring assembly; 61. a second sleeve; 62. a stirring blade; 63. a matching block; 64. a reciprocating screw rod; 65. a fixing frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
The embodiment of the application provides a refined separation of traditional chinese medicine decoction is with alcohol precipitation jar, and it can solve the problem that impurity adhesion is not convenient for clear up at alcohol precipitation jar inner wall among the correlation technique.
Referring to fig. 1-3, an alcohol precipitation tank for refining and separating a traditional Chinese medicine decoction solution comprises a tank body 1, a rotating shaft 2, a scraper component 3, a transmission component 4 and a driving component 5, wherein the rotating shaft 2 is rotatably arranged in the tank body 1, the scraper component 3 is provided with a plurality of groups, the scraper component 3 comprises a scraper 31, a sleeve 32, a fixed plate 33 and a connecting plate 34, the fixed plate 33 is arranged on the rotating shaft 2, the sleeve 32 is sleeved on the fixed plate 33, the scraper 31 is connected with the sleeve 32, and the connecting plate 34 is rotatably arranged on the sleeve 32;
the transmission assembly 4 comprises a first sleeve 41 and a push-pull assembly, the first sleeve 41 is sleeved on the rotating shaft 2 and is rotatably connected with one end, far away from the sleeve 32, of the connecting plate 34, the push-pull assembly is arranged on the tank body 1 and is connected with the first sleeve 41 so as to push the first sleeve 41 to move up and down, and in the implementation process, when the push-pull assembly drives the first sleeve 41 to move, the first sleeve 41 can pull the sleeve 32 to slide on the fixing plate 33 through the connecting plates 34, so that the scraper 31 can be driven to approach or move away from the rotating shaft 2;
drive assembly 5 establishes on jar body 1 and is connected with pivot 2, it is rotatory with drive pivot 2, when using, can make a plurality of scraper blades 31 be close to pivot 2 earlier, then drive pivot 2 through drive assembly 5 and rotate, thereby make a plurality of scraper blades 31 rotate, just so can make scraper blade 31 use as the puddler, stir the liquid medicine in jar body 1, in order to guarantee the alcohol precipitation effect of liquid medicine, when using the deposit that needs clearance jar body 1 inner wall adhesion after accomplishing, can make a plurality of scraper blades 31 keep away from pivot 2 and hug closely jar body 1 inner wall, then drive pivot 2 and scraper blade 31 through drive assembly 5 and rotate, just so can scrape the deposit of jar body 1 inner wall through scraper blade 31, just so can strike off the impurity of jar body 1 inner wall through scraper blade 31 is automatic, just need not passing through artifical clearance, use is facilitated.
Specifically, in this embodiment, the push-pull assembly includes a slider 42 and an air cylinder 43, the air cylinder 43 is disposed on the tank body 1, the slider 42 is slidably disposed in the rotating shaft 2 and connected to the first sleeve 41, the slider 42 is rotatably connected to the lower end of the air cylinder 43, and in the implementation process, the slider 42 can be driven by the air cylinder 43 to move up and down, so that the slider 42 drives the first sleeve 41 to move, and meanwhile, the rotation of the slider 42 and the air cylinder 43 can be prevented from rotating along with the rotating shaft 2.
More specifically, in this embodiment, the driving assembly 5 includes a motor 53, and a first gear 51 and a second gear 52 engaged with each other, the first gear 51 is disposed on the rotating shaft 2, the second gear 52 is connected to the motor 53, and in the implementation process, the motor 53 can drive the second gear 52 to rotate, so that the second gear 52 drives the rotating shaft 2 to rotate through the engagement transmission with the first gear 51.
Preferably, scraper blade subassembly 3 still includes a plurality of uide bushings 35 and guide bar 36, uide bushing 35 sets up on scraper blade 31, guide bar 36 sets up in pivot 2, uide bushing 35 cover is established on guide bar 36, and limiting displacement through multiunit uide bushing 35 and guide bar 36 sliding connection just so can play the direction limiting displacement to scraper blade 31, avoids scraper blade 31 at the in-process skew of removing.
In order to solve the problem that the liquid medicine stirring between the upper and lower liquid layers in some alcohol precipitation jars does not fully lead to the alcohol precipitation effect poor among the prior art, it is further, in this embodiment, still include stirring subassembly 6, stirring subassembly 6 includes second sleeve pipe 61, lifting unit and a plurality of stirring vane 62, second sleeve pipe 61 cover is established on pivot 2, and is a plurality of stirring vane 62 is established on second sleeve pipe 61, lifting unit establishes at jar internal 1 and is connected with second sleeve pipe 61, works as when pivot 2 rotates, through lifting unit drives second sleeve pipe 61 and is reciprocating motion from top to bottom, and when pivot 2 rotates like this, will drive a plurality of stirring vane 62 and rotate, and reciprocating motion about accessible lifting unit drives second sleeve pipe 61 simultaneously, just so can make a plurality of stirring vane 62 and do reciprocating motion simultaneously at the pivoted in-process, just so can carry out abundant stirring through the liquid medicine of a plurality of stirring vane 62 to the liquid medicine on the upper strata and the liquid medicine of lower floor in jar internal 1 and mix, just so can further guarantee the alcohol precipitation effect of liquid medicine.
Furthermore, in this embodiment, the lifting assembly includes a matching block 63, a fixing frame 65 and a reciprocating screw rod 64, the matching block 63 is slidably disposed in the rotating shaft 2 and connected to the second sleeve 61, the reciprocating screw rod 64 is rotatably disposed in the rotating shaft 2 and matched with the matching block 63, the fixing frame 65 is disposed in the tank body 1 and connected to the lower end of the reciprocating screw rod 64, so that the matching block 63 is driven to rotate when the rotating shaft 2 rotates, and the matching block 63 rotates to move up and down through the matching transmission with the reciprocating screw rod 64, so that the second sleeve 61 can rotate while reciprocating up and down.
The working principle of the application is as follows: in the implementation process, the cylinder 43 drives the slide block 42 to move upwards, so that the slide block 42 drives the first sleeve 41 to move upwards, the first sleeve 41 pulls the sleeve 32 and the scraper 31 to approach the rotating shaft 2 through the connecting plate 34, then the motor 53 drives the second gear 52 to rotate, the second gear 52 drives the rotating shaft 2 to rotate through meshing transmission with the first gear 51, so as to drive the plurality of scrapers 31 and the plurality of stirring blades 62 to rotate to stir the liquid medicine in the tank body 1, meanwhile, the rotating shaft 2 drives the matching block 63 to rotate when rotating, so that the matching block 63 moves up and down through matching transmission with the reciprocating screw rod 64 when rotating, so as to drive the second sleeve 61 to move up and down, so that the plurality of stirring blades 62 can move up and down simultaneously in the rotating process, so that the liquid medicine on the upper layer and the liquid medicine on the lower layer in the tank body 1 are fully stirred and mixed through the plurality of stirring blades 62, and thus the alcohol precipitation effect of the liquid medicine is ensured;
when the sediment adhered to the inner wall of the tank body 1 needs to be cleaned after the use is finished, the air cylinder 43 pushes the sliding block 42 and the first sleeve 41 to move downwards, so that the first sleeve 41 pushes the sleeve 32 and the scraper 31 to be far away from the rotating shaft 2 through the connecting plate 34, and the rotating shaft 2 is tightly attached to the inner wall of the tank body 1, therefore, when the rotating shaft 2 rotates, the sediment on the inner wall of the tank body 1 can be scraped off through the scraper 31, so that the impurities on the inner wall of the tank body 1 can be automatically scraped through the scraper 31, manual cleaning is not needed, and the use is facilitated.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. An alcohol precipitation tank for refining and separating traditional Chinese medicine decoction is characterized by comprising:
a tank body (1);
the rotating shaft (2) is rotatably arranged in the tank body (1);
the scraper components (3) comprise scrapers (31), sleeves (32), fixing plates (33) and connecting plates (34), the fixing plates (33) are arranged on the rotating shaft (2), the sleeves (32) are sleeved on the fixing plates (33), the scrapers (31) are connected with the sleeves (32), and the connecting plates (34) are rotatably arranged on the sleeves (32);
the transmission assembly (4) comprises a first sleeve (41) and a push-pull assembly, the first sleeve (41) is sleeved on the rotating shaft (2) and is rotatably connected with one end, far away from the sleeve (32), of the connecting plate (34), and the push-pull assembly is arranged on the tank body (1) and is connected with the first sleeve (41) so as to push the first sleeve (41) to move up and down;
and the driving component (5) is arranged on the tank body (1) and is connected with the rotating shaft (2) so as to drive the rotating shaft (2) to rotate.
2. The alcohol precipitation tank for refining and separating the traditional Chinese medicine decoction according to claim 1, wherein the alcohol precipitation tank comprises:
the push-pull assembly comprises a sliding block (42) and an air cylinder (43), the air cylinder (43) is arranged on the tank body (1), the sliding block (42) is arranged in the rotating shaft (2) in a sliding mode and is connected with the first sleeve (41), and the sliding block (42) is connected with the lower end of the air cylinder (43) in a rotating mode.
3. The alcohol precipitation tank for refining and separating the traditional Chinese medicine decoction according to claim 1, wherein:
the driving assembly (5) comprises a motor (53), and a first gear (51) and a second gear (52) which are meshed with each other, wherein the first gear (51) is arranged on the rotating shaft (2), and the second gear (52) is connected with the motor (53).
4. The alcohol precipitation tank for refining and separating the traditional Chinese medicine decoction according to claim 1, wherein the alcohol precipitation tank comprises:
the scraper component (3) further comprises a plurality of guide sleeves (35) and guide rods (36), the guide sleeves (35) are arranged on the scraper (31), the guide rods (36) are arranged on the rotating shaft (2), and the guide rods (36) are sleeved with the guide sleeves (35).
5. The alcohol precipitation tank for refining and separating the traditional Chinese medicine decoction according to claim 1, wherein the alcohol precipitation tank comprises:
still include stirring subassembly (6), stirring subassembly (6) includes:
the second sleeve (61) is sleeved on the rotating shaft (2);
a plurality of stirring blades (62) arranged on the second sleeve (61);
the lifting assembly is arranged in the tank body (1) and connected with the second sleeve pipe (61), and when the rotating shaft (2) rotates, the lifting assembly drives the second sleeve pipe (61) to reciprocate up and down.
6. The alcohol precipitation tank for refining and separating the traditional Chinese medicine decoction according to claim 5, wherein:
lifting unit includes cooperation piece (63), mount (65) and reciprocal lead screw (64), cooperation piece (63) slide to set up in pivot (2) and be connected with second sleeve pipe (61), reciprocal lead screw (64) rotate to set up in pivot (2) and cooperate with cooperation piece (63), mount (65) are established in jar body (1) and are connected with the lower extreme of reciprocal lead screw (64).
CN202221620884.7U 2022-06-27 2022-06-27 Alcohol precipitation tank for refining and separating traditional Chinese medicine decoction Active CN217724671U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221620884.7U CN217724671U (en) 2022-06-27 2022-06-27 Alcohol precipitation tank for refining and separating traditional Chinese medicine decoction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221620884.7U CN217724671U (en) 2022-06-27 2022-06-27 Alcohol precipitation tank for refining and separating traditional Chinese medicine decoction

Publications (1)

Publication Number Publication Date
CN217724671U true CN217724671U (en) 2022-11-04

Family

ID=83842858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221620884.7U Active CN217724671U (en) 2022-06-27 2022-06-27 Alcohol precipitation tank for refining and separating traditional Chinese medicine decoction

Country Status (1)

Country Link
CN (1) CN217724671U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115845708A (en) * 2023-03-02 2023-03-28 东营海瑞宝新材料有限公司 LC-grade diethyl toluene diamine production device based on centrifugal impurity removal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115845708A (en) * 2023-03-02 2023-03-28 东营海瑞宝新材料有限公司 LC-grade diethyl toluene diamine production device based on centrifugal impurity removal
CN115845708B (en) * 2023-03-02 2023-04-28 东营海瑞宝新材料有限公司 LC-level diethyl toluenediamine production device based on centrifugal impurity removal

Similar Documents

Publication Publication Date Title
CN217724671U (en) Alcohol precipitation tank for refining and separating traditional Chinese medicine decoction
CN218059033U (en) Chitosan oligosaccharide enzymolysis device for preparing chitosan oligosaccharide
CN219449375U (en) Novel black liquor crystallization evaporation equipment
CN212174667U (en) Sewage recovery device for environmental engineering
CN220176120U (en) Extraction tank
CN216827575U (en) Rice washing device in rice wine manufacturing
CN215842955U (en) Polymerization reactor for preparing adsorbent through PEI (polyetherimide) crosslinking reaction
CN211247621U (en) Anticorrosive pipe fitting belt cleaning device
CN108865403B (en) Tuna leftover enzymolysis equipment
CN112500946A (en) Soap alkali precipitation saponification treatment equipment and working method thereof
CN217511646U (en) Starch milk mixing filter device
CN220201939U (en) Enzymolysis device with stirring function
CN217677850U (en) Electrophoresis tank liquid circulation system
CN209630673U (en) Extractor is used in a kind of production of chemical reagent
CN213348890U (en) Precipitation equipment is used in heparin sodium preparation
CN220861175U (en) Liquid medicine stirring device
CN216909233U (en) Plant draws jar
CN216172238U (en) Chemical industry cauldron of convenient clearance
CN217746866U (en) Prevent that inner wall from gluing sticky scraping device for paint produce
CN214829518U (en) Novel water treatment device with automatic cleaning filter plate
CN214606051U (en) Closed livestock and poultry manure pretreatment machine
CN219308439U (en) Mixing device for industrial grade mixed oil produced by waste animal and vegetable oil
CN213965523U (en) Energy-conserving enrichment facility of plant extract low temperature
CN220696585U (en) Automatic batching and dangerous water reducing and removing integrated device for spirulina culture solution
CN210145617U (en) Isotonic flushing fluid stirring and purifying integrated device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant