CN110876980A - Grinding and extracting device - Google Patents
Grinding and extracting device Download PDFInfo
- Publication number
- CN110876980A CN110876980A CN201911159071.5A CN201911159071A CN110876980A CN 110876980 A CN110876980 A CN 110876980A CN 201911159071 A CN201911159071 A CN 201911159071A CN 110876980 A CN110876980 A CN 110876980A
- Authority
- CN
- China
- Prior art keywords
- wall
- grinding
- shell
- filter screen
- welded
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000000605 extraction Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 14
- 235000011389 fruit/vegetable juice Nutrition 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 241000196324 Embryophyta Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 230000006978 adaptation Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/014—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements with curved filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a grinding and extracting device, and relates to the technical field of grinding; in order to solve the problem of filter screen blockage; specifically including shell body and cap, the top outer wall of shell body has been taken and has been put interior casing, and the side inner wall of interior casing is provided with fixed grinding ball, the top inner wall of cap is connected with the rinding body through the bearing, and the side outer wall of rinding body is provided with the movable grinding ball with fixed grinding ball staggered distribution, the bottom outer wall of shell body is opened there is a liquid hole, and the side inner wall in liquid hole has a liquid outlet cylinder through threaded connection, and the top outer wall welding of a liquid outlet cylinder has the filter screen circle, and the bottom outer wall welding of rinding body has two annular evenly distributed's scraper. The invention prevents the solid debris from blocking the filter screen ring to reduce the liquid extraction speed, facilitates the cleaning of the filter screen ring, can improve the liquid filtering effect, softens the tissue fiber of the plant and improves the juice extraction efficiency.
Description
Technical Field
The invention relates to the technical field of grinding, in particular to a grinding and extracting device.
Background
The juice extraction of plant is through the cell wall of grinding mode destruction plant, then makes the juice of plant permeate out, and then draws, when carrying out the analysis to the juice of plant in the laboratory, generally need use to grind the extraction element and grind the extraction to the plant granule.
Through the retrieval, chinese patent publication is CN 207413578U's patent, discloses a bamboo juice grinds extraction element, including supporting the base, support base upper end left side fixed mounting has the operation panel, operation panel upper end left side fixed mounting has the conveyer belt. The bamboo juice grinding and extracting device in the patent has the following defects: this grind extraction element is when using, and the solid piece that grinds the production leads to the filter screen to block up easily, leads to the juice to fall efficiency reduction then, causes the extraction efficiency low.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a grinding and extracting device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a grind extraction element, includes shell body and cap, the top outer wall of shell body has been taken and has been put interior casing, and the side inner wall of interior casing is provided with fixed grinding ball, the top inner wall of cap is connected with the rinding body through the bearing, and the side outer wall of rinding body is provided with the activity grinding ball with fixed grinding ball dislocation distribution, the bottom outer wall of shell body is opened there is liquid hole, and goes out the side inner wall in liquid hole and have a liquid section of thick bamboo through threaded connection, and the top outer wall welding of a liquid section of thick bamboo has the screen ring, and the bottom outer wall welding of rinding body has two annular evenly distributed's scraper, and one side outer wall of scraper contacts with the.
Preferably: handles are welded on two sides of the outer wall of the top of the shell cover, the outer walls of the two sides of the shell cover are connected with buckles through screws, and the outer wall of the side face of the shell body is connected with clamping heads matched with the buckles through screws.
Preferably: the side welding of shell body has the lock ring, and the bottom outer wall welding of lock ring has three annular evenly distributed's bracing piece, and the bottom outer wall welding of bracing piece has same bottom plate.
Preferably: the top outer wall of the shell cover is connected with a motor through a screw, an output shaft of the motor forms transmission fit with the grinding body, and the top outer wall of the shell cover is connected with a protective shell covering the outer side of the motor through a screw.
Preferably: the top outer wall welding of filter screen circle has a top dish, and the bottom outer wall of rinding body opens the dish groove that has with top dish looks adaptation, and the top inner wall in dish groove is connected with the pressure disk corresponding with the top dish through the bearing.
Preferably: and a filter screen is welded at the top of the inner wall of the side surface of the liquid outlet cylinder.
Preferably: a clamping groove is formed in the bottom of the folded edge of the inner shell, and a bulge corresponding to the clamping groove is formed in the outer wall of the top of the outer shell.
Preferably: the side inner wall of shell body is opened flutedly, and the side inner wall welding of recess has the heat conduction shell, is connected with the heating wire through the bail between heat conduction shell and the shell body, and the heating wire is external to have temperature control system.
The invention has the beneficial effects that:
1. through setting up the scraper, set up the scraper that is fixed in on the rinding body in the side of filter screen circle, can drive the scraper rotation when the rinding body rotates, then enable the scraper to scrape the solid piece of adhesion on with the filter screen circle, prevent that solid piece from blockking up the filter screen circle and leading to the liquid extraction speed to reduce.
2. Through setting up out a liquid section of thick bamboo, go out a liquid section of thick bamboo and pass through threaded connection in the bottom of shell body, when needs wash the filter screen circle, will go out a liquid section of thick bamboo and lift off can, made things convenient for the clearance to the filter screen circle.
3. Through setting up the filter screen, set up the filter screen in the inboard of a liquid section of thick bamboo, filter screen and filter screen circle form two-stage filtering mechanism, then can improve the filter effect to liquid.
4. Through setting up the heating wire, set up the heating wire in the inboard of shells outside, the heating wire can heat the heat conduction shell, can heat the inner casing then, and then makes the tissue fibre of plant soften, has improved the efficiency that the juice drawed.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of a grinding and extracting device according to the present invention;
FIG. 2 is a schematic diagram of a filter screen ring of the polishing and extracting apparatus according to the present invention;
FIG. 3 is a schematic view of the heat-conducting shell of the polishing and extracting apparatus of embodiment 2;
fig. 4 is a schematic structural diagram of an inner housing of a polishing and extracting device according to the present invention 2.
In the figure: 1-bottom plate, 2-support rod, 3-support ring, 4-outer shell, 5-grinding body, 6-movable grinding ball, 7-motor, 8-protective shell, 9-handle, 10-buckle, 11-chuck, 12-fixed grinding ball, 13-inner shell, 14-top plate, 15-filter screen ring, 16-liquid outlet cylinder, 17-filter screen, 18-scraper, 19-plate groove, 20-pressure plate, 21-heat conducting shell, 22-electric heating wire, 23-clamping groove and 24-shell cover.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a grinding and extracting device is disclosed, as shown in figure 1, figure 2 and figure 4, comprising an outer shell 4 and a shell cover 24, wherein an inner shell 13 is arranged on the outer wall of the top of the outer shell 4, a fixed grinding ball 12 is arranged on the inner wall of the side surface of the inner shell 13, a grinding body 5 is connected with the inner wall of the top of the shell cover 24 through a bearing, a movable grinding ball 6 which is distributed with the fixed grinding ball 12 in a staggered way is arranged on the outer wall of the side surface of the grinding body 5, a liquid outlet hole is arranged on the outer wall of the bottom of the outer shell 4, a liquid outlet cylinder 16 is connected with the inner wall of the side surface of the liquid outlet hole through a thread, a filter screen ring 15 is welded on the outer wall of the top of the liquid outlet cylinder 16, two scrapers 18 which are uniformly distributed in a ring shape are welded on the outer wall of the bottom of the grinding body 5, one, the top outer wall of the shell cover 24 is connected with a protective shell 8 covered on the outer side of the motor 7 through a screw.
For making things convenient for the lid of cap 24 to close and carry and put, handle 9 has all been welded to the top outer wall both sides of cap 24, and the both sides outer wall of cap 24 all has buckle 10 through the screw connection, and the side outer wall of shell body 4 has dop 11 with buckle 10 looks adaptation through the screw connection.
For making things convenient for the support of shell body 4 to place, the side welding of shell body 4 has the lock ring 3, and the bottom outer wall welding of lock ring 3 has three annular evenly distributed's bracing piece 2, and the bottom outer wall welding of bracing piece 2 has same bottom plate 1.
For improving the stability of filter screen circle 15, the welding of the top outer wall of filter screen circle 15 has a top dish 14, and the bottom outer wall of rinding body 5 opens the dish groove 19 that has with top dish 14 looks adaptation, and the top inner wall of dish groove 19 is connected with the pressure disk 20 corresponding with top dish 14 through the bearing.
In order to improve the filtering effect, a filter screen 17 is welded on the top of the inner wall of the side surface of the liquid outlet cylinder 16.
In order to prevent the inner shell 13 and the outer shell 4 from sliding relatively, a clamping groove 23 is formed at the bottom of the folded edge of the inner shell 13, and a bulge corresponding to the clamping groove 23 is arranged on the outer wall of the top of the outer shell 4.
This embodiment is when using, put into interior casing 13 with the plant granule that needs to grind the extraction, cover 24 on the shell body 4, and with buckle 10 card on dop 11, motor 7 rotates and drives rinding body 5 and rotates, then grind the plant granule through the relative rotation of activity grinding ball 6 and fixed grinding ball 12, the juice that produces during the grinding then spills by filter screen circle 15, discharge by stock solution section of thick bamboo 16 after again by filter screen 17 secondary filter, wherein filter screen 17's filtration pore diameter is less than filter screen circle 15's filtration pore diameter, when grinding, rinding body 5 rotates and can drive scraper 18 and rotate, and then make scraper 18 can scrape the solid piece on filter screen circle 15 surface down, prevent filter screen circle 15 and block up, when needs clear up filter screen circle 15, it can under dismantling stock solution section of thick bamboo 16.
Example 2:
a grinding and extracting device is disclosed as 3, which aims to improve the effect of extracting plant juice; the present embodiment is modified from embodiment 1 as follows: the side inner wall of shell body 4 is opened flutedly, and the welding of the side inner wall of recess has heat conduction shell 21, is connected with heating wire 22 through the bail between heat conduction shell 21 and the shell body 4, and heating wire 22 is external to have temperature control system.
In use, compared with embodiment 1, the heating wire 22 of the present embodiment can heat the heat conducting shell 21 and further heat the inner shell 13, so as to soften the tissue fiber of the plant, make the juice more easily separated out, and improve the extraction effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A grinding and extracting device comprises an outer shell (4) and a shell cover (24), and is characterized in that an inner shell (13) is arranged on the outer wall of the top of the outer shell (4), and the inner wall of the side surface of the inner shell (13) is provided with fixed grinding balls (12), the inner wall of the top part of the shell cover (24) is connected with a grinding body (5) through a bearing, the outer wall of the side surface of the grinding body (5) is provided with movable grinding balls (6) which are distributed in a staggered way with the fixed grinding balls (12), the outer wall of the bottom part of the outer shell (4) is provided with a liquid outlet hole, and the side inner wall of the liquid outlet hole is connected with a liquid outlet cylinder (16) through threads, the outer wall of the top of the liquid outlet cylinder (16) is welded with a filter screen ring (15), the outer wall of the bottom of the grinding body (5) is welded with two scrapers (18) which are uniformly distributed in an annular shape, and the outer wall of one side of each scraper (18) is in contact with the outer wall of the side of the filter screen ring (15).
2. The grinding and extracting device as claimed in claim 1, characterized in that handles (9) are welded on both sides of the top outer wall of the housing cover (24), buckles (10) are connected on both sides of the outer wall of the housing cover (24), and clamping heads (11) matched with the buckles (10) are connected on the side outer wall of the outer housing (4) through screws.
3. The grinding and extracting device as claimed in claim 1, characterized in that a support ring (3) is welded on the side of the outer casing (4), three support rods (2) are welded on the outer wall of the bottom of the support ring (3) and are uniformly distributed in a ring shape, and the same bottom plate (1) is welded on the outer wall of the bottom of each support rod (2).
4. Grinding extraction device according to claim 2, characterized in that the top outer wall of the housing cover (24) is connected with the motor (7) by screws, and the output shaft of the motor (7) forms a transmission fit with the grinding body (5), and the top outer wall of the housing cover (24) is connected with the protective housing (8) covering the outside of the motor (7) by screws.
5. The grinding and extracting device as claimed in claim 1, characterized in that the top outer wall of the filter screen ring (15) is welded with a top disc (14), the bottom outer wall of the grinding body (5) is provided with a disc groove (19) matched with the top disc (14), and the top inner wall of the disc groove (19) is connected with a pressing disc (20) corresponding to the top disc (14) through a bearing.
6. A mill extraction device according to claim 5, characterized in that the side inner wall of the liquid outlet cylinder (16) is welded on top with a screen (17).
7. A grinding and extracting device according to claim 6, characterized in that the folded bottom of the inner shell (13) is provided with a clamping groove (23), and the outer wall of the top of the outer shell (4) is provided with a bulge corresponding to the clamping groove (23).
8. The grinding and extracting device of claim 1, characterized in that the lateral inner wall of the outer casing (4) is provided with a groove, the lateral inner wall of the groove is welded with a heat conducting shell (21), a heating wire (22) is connected between the heat conducting shell (21) and the outer casing (4) through a staple, and the heating wire (22) is externally connected with a temperature control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911159071.5A CN110876980A (en) | 2019-11-22 | 2019-11-22 | Grinding and extracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911159071.5A CN110876980A (en) | 2019-11-22 | 2019-11-22 | Grinding and extracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110876980A true CN110876980A (en) | 2020-03-13 |
Family
ID=69729142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911159071.5A Pending CN110876980A (en) | 2019-11-22 | 2019-11-22 | Grinding and extracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110876980A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974497A (en) * | 2020-07-22 | 2020-11-24 | 厉风英 | Screening mechanism of soil sample |
| CN112121939A (en) * | 2020-08-26 | 2020-12-25 | 耒阳市刘燕酿制生物科技有限公司 | Promote skin cell metabolism's essence processingequipment |
| CN112342119A (en) * | 2020-11-06 | 2021-02-09 | 陈燕 | Defective jujube processing device |
| CN112716291A (en) * | 2020-12-24 | 2021-04-30 | 昆明弘承食品科技有限公司 | Coffee leaf feed liquid extraction method and device |
| CN114788802A (en) * | 2022-05-20 | 2022-07-26 | 王勤政 | Dandruff-removing and itching-relieving shampoo and preparation method thereof |
| CN115505512A (en) * | 2022-10-24 | 2022-12-23 | 徐州生物工程职业技术学院 | Kit and method for extracting DNA of endophyte |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3478798A (en) * | 1965-12-03 | 1969-11-18 | Pierre Carvallo | Method of processing cereals,more particularly for whitening and polishing rice,and apparatus for performing the same |
| CN206184033U (en) * | 2016-11-16 | 2017-05-24 | 王文艳 | Chinese -medicinal material extraction element |
| CN206613547U (en) * | 2017-02-24 | 2017-11-07 | 内蒙古医科大学 | Extract histocyte albumen refiner |
| CN108160245A (en) * | 2017-12-27 | 2018-06-15 | 郑州默尔电子信息技术有限公司 | A kind of Chinese medicine crushing and screening device |
| CN208786543U (en) * | 2018-08-22 | 2019-04-26 | 浙江建工装饰材料有限公司 | A kind of sand mill |
| CN209188978U (en) * | 2018-10-18 | 2019-08-02 | 王盈 | A kind of Chinese medicine grinding device |
-
2019
- 2019-11-22 CN CN201911159071.5A patent/CN110876980A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3478798A (en) * | 1965-12-03 | 1969-11-18 | Pierre Carvallo | Method of processing cereals,more particularly for whitening and polishing rice,and apparatus for performing the same |
| CN206184033U (en) * | 2016-11-16 | 2017-05-24 | 王文艳 | Chinese -medicinal material extraction element |
| CN206613547U (en) * | 2017-02-24 | 2017-11-07 | 内蒙古医科大学 | Extract histocyte albumen refiner |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974497A (en) * | 2020-07-22 | 2020-11-24 | 厉风英 | Screening mechanism of soil sample |
| CN112121939A (en) * | 2020-08-26 | 2020-12-25 | 耒阳市刘燕酿制生物科技有限公司 | Promote skin cell metabolism's essence processingequipment |
| CN112121939B (en) * | 2020-08-26 | 2021-08-31 | 耒阳市刘燕酿制生物科技有限公司 | Promote skin cell metabolism's essence processingequipment |
| CN112342119A (en) * | 2020-11-06 | 2021-02-09 | 陈燕 | Defective jujube processing device |
| CN112716291A (en) * | 2020-12-24 | 2021-04-30 | 昆明弘承食品科技有限公司 | Coffee leaf feed liquid extraction method and device |
| CN114788802A (en) * | 2022-05-20 | 2022-07-26 | 王勤政 | Dandruff-removing and itching-relieving shampoo and preparation method thereof |
| CN115505512A (en) * | 2022-10-24 | 2022-12-23 | 徐州生物工程职业技术学院 | Kit and method for extracting DNA of endophyte |
| CN115505512B (en) * | 2022-10-24 | 2023-08-22 | 徐州生物工程职业技术学院 | Plant endophyte DNA extraction kit and DNA extraction method |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200313 |