CN212441192U - Crystallization device for preventing inner wall adhesion of dimethyl ketone peroxide - Google Patents
Crystallization device for preventing inner wall adhesion of dimethyl ketone peroxide Download PDFInfo
- Publication number
- CN212441192U CN212441192U CN202020777401.9U CN202020777401U CN212441192U CN 212441192 U CN212441192 U CN 212441192U CN 202020777401 U CN202020777401 U CN 202020777401U CN 212441192 U CN212441192 U CN 212441192U
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- China
- Prior art keywords
- fixedly connected
- ketone peroxide
- reaction cylinder
- dimethyl ketone
- adhesion
- 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
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 38
- 230000008025 crystallization Effects 0.000 title claims abstract description 38
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Natural products CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 title claims abstract description 36
- -1 dimethyl ketone peroxide Chemical class 0.000 title claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 51
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 239000013078 crystal Substances 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000007790 scraping Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 12
- 239000008367 deionised water Substances 0.000 description 11
- 229910021641 deionized water Inorganic materials 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- OKBMCNHOEMXPTM-UHFFFAOYSA-M potassium peroxymonosulfate Chemical compound [K+].OOS([O-])(=O)=O OKBMCNHOEMXPTM-UHFFFAOYSA-M 0.000 description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- 239000012425 OXONE® Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- FFHWGQQFANVOHV-UHFFFAOYSA-N dimethyldioxirane Chemical compound CC1(C)OO1 FFHWGQQFANVOHV-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The embodiment of the utility model discloses a crystallization device for preventing inner wall adhesion of dimethyl ketone peroxide, which comprises a reaction cylinder and a cover plate, wherein the upper side of the reaction cylinder is fixedly connected with the cover plate through bolts, the lower side of the cover plate is rotatably connected with a vertical rod through a bearing, the left side and the right side of the vertical rod are fixedly connected with a cross rod, the outer side of the cross rod is connected with a sleeve, the outer side of the sleeve is fixedly connected with an upper scraper plate, the bottom of the vertical rod is fixedly connected with a lower scraper plate, the right side of the reaction cylinder is fixedly connected with a conveying pump, the inlet and the outlet of the conveying pump are respectively connected with a lower three-way pipe and an upper three-way pipe, and the left side of the upper three-way pipe extends into the reaction cylinder, which relates to the technical field of ketone peroxide preparation, the utility model enlarges the scraping range of crystals, avoids, reduces waste and improves the crystallization yield.
Description
Technical Field
The embodiment of the utility model provides a relate to ketone peroxide preparation technical field, concretely relates to crystallization device of inner wall adhesion is prevented to dimethyl ketone peroxide.
Background
Dimethyl ketone peroxide, also known as dimethyl dioxirane, is a ketone peroxide compound derived from acetone, and contains a ternary ring system consisting of peroxy chains in the molecule. It is the only commonly used ketone peroxide compound, and is mainly used as an oxidizing agent in organic synthesis.
Among the prior art, current dimethyl ketone peroxide is when preparing the crystallization and appearing, generally produce in reation kettle, lead to the crystallization easily to glue on the reation kettle inner wall, inconvenient clearance is collected, and wash the crystallization through deionized water, lead to the deionized water to the mixture of dimethyl ketone peroxide when washing, all wash once, not only caused a large amount of wastes of deionized water, also easily cause dimethyl ketone peroxide mixture to take the discharge reactant in the same direction as, a large amount of wastes of dimethyl ketone peroxide, the preparation volume of crystallization has also been reduced simultaneously, use cost has been increased, consequently, need a crystallization device that dimethyl ketone peroxide prevents the inner wall adhesion to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a crystallization device of inner wall adhesion is prevented to dimethyl ketone peroxide to solve among the prior art because inconvenient striking off the reation kettle inner wall and the inconvenience that leads to clears up the problem of collecting to the crystallization.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the first aspect of the embodiment of the utility model, a crystallization device for preventing inner wall adhesion of dimethyl ketone peroxide comprises a reaction cylinder and a cover plate, wherein the upper side of the reaction cylinder is fixedly connected with the cover plate through bolts, the lower side of the cover plate is rotatably connected with a vertical rod through a bearing, the left side and the right side of the vertical rod are fixedly connected with a cross rod, the vertical rod is sleeved and fixed with a rotating plate, the rotating plate is positioned on the upper side of the cross rod, the upper side of the rotating plate is fixedly connected with a stop block, the stop block is positioned on the lower side of a feeding hopper, the feeding hopper is fixed on the upper side of the cover plate, the outer side of the cross rod is connected with a sleeve, the outer side of the sleeve is fixedly connected with an upper scraper plate, the bottom of the vertical rod is fixedly connected with a lower scraper plate, the right side of the reaction cylinder, the lower side of the lower three-way pipe is communicated with the bottom of the reaction barrel through a conveying pipeline, and the lower three-way pipe and the upper three-way pipe are both connected with two switch valves.
Two pipelines on a lower three-way pipe are respectively communicated with a conveying pipeline and external deionized water, and two pipelines on an upper three-way pipe are respectively communicated with a reaction cylinder and an external storage tank, quantitative acetone, sodium bicarbonate and potassium hydrogen peroxymonosulfate composite salt are conveniently added through a left feeding hopper and a right feeding hopper, then a cross rod, a sleeve, an upper scraper plate and a lower scraper plate are driven to rotate through the rotation of a vertical rod, the purpose of uniform stirring is realized, then two switch valves on the lower three-way pipe are opened, the left switch valve on the upper three-way pipe is opened, the right side is closed, a conveying pump is operated at the same time, the conveying pump operates to drive the deionized water to enter the reaction cylinder, the deionized water and the mixture are circulated and flow, the mixture is further washed to be neutral, crystals are separated out, and at the moment, the upper scraper plate and the lower scraper plate scrape the crystals on the inner wall of the, the crystallization adhesion inner wall is avoided, then the switch valve on the right side on the upper three-way pipe is opened, the switch valve on the left side is closed, the switch valve on the right side on the lower three-way pipe is closed, and the mixture in the reaction cylinder is completely discharged.
According to the utility model discloses in the second aspect of the embodiment, the bottom is connected with storage casing through the screw in the reaction cylinder, the storage casing upside is connected with the filter screen through two dead levers, and storage casing is located the pipeline right side, the filter screen is located the bottom in the reaction cylinder.
Be convenient for collect the crystallization through storage casing, rotate storage casing simultaneously, storage casing rotates and downwards or the rebound under the screw thread effect, storage casing rebound has then realized carrying out the shutoff to the pipeline left side, in avoiding the mixture to get into pipeline, storage casing rebound drives the filter screen rebound, has realized that the filter screen removes the pipeline downside, is convenient for intercept crystallization casing, avoids the crystallization rebound and gets into in the pipeline.
Further, the inside annular heater strip that is provided with of reaction cylinder, and reaction cylinder left side fixedly connected with adapter, the adapter passes through wire and annular heater strip electric connection, and circular heater strip heats through the circular telegram of adapter, has realized heating and keeping the constancy of temperature for reaction cylinder is inside through annular heater strip.
Further, the side fixedly connected with servo motor on the apron, the output shaft of servo motor downside is connected with the montant, through servo motor's operation, conveniently drives the montant and rotates.
Further, a support frame is fixedly connected to the lower side face of the reaction cylinder, the storage shell is located on the upper side of the support frame, the reaction cylinder is supported, and the storage shell is protected conveniently.
Further, the horizontal pole left side is connected with reset spring, reset spring is located inside the sleeve, and the sleeve cup joints on the horizontal pole, has realized driving the sleeve and has gone up scraper blade and outwards removed, and then be convenient for go up scraper blade and the stable contact of reaction cylinder inner wall.
Furthermore, an open slot is processed in the cross rod, a stop lever is inserted into the sleeve, vertically penetrates through the open slot, and moves in the open slot through the stop lever, so that the sleeve and the upper scraper plate are convenient to move in a limiting manner.
Furthermore, the upper side of the feeding hopper is connected with the sealing cover through threads, so that the top of the feeding hopper is sealed, and the sealing performance of the device is improved.
The embodiment of the utility model provides a have following advantage: through last scraper plate, scraper plate down, the dog, the rotor plate, go up three-way pipe and three-way pipe down, the striking off scope to the crystallization has been enlarged, the adhesion of crystallization is avoided on the reation kettle inner wall, simultaneously through the rotation of rotor plate and dog, also be convenient for control the input speed of sodium bicarbonate and the compound salt of potassium peroxymonosulfate, the purpose of quantitative and at the uniform velocity of throwing the material has been realized, and pass through to last three-way pipe and three-way pipe down controls, then the purpose of circulation flow has been realized, waste is reduced, the crystallization yield is improved, use cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic structural view of a crystallization apparatus for preventing inner wall adhesion of dimethyl ketone peroxide according to the present invention;
FIG. 2 is a schematic view of a portion A of the crystallization apparatus for preventing inner wall adhesion of dimethyl ketone peroxide according to the present invention shown in FIG. 1;
FIG. 3 is a schematic view of a portion of the crystallization apparatus for preventing inner wall adhesion of dimethyl ketone peroxide according to the present invention, shown in FIG. 1 and enlarged at B;
FIG. 4 is a schematic structural view of a rotation plate and a stop block in the crystallization apparatus for preventing the adhesion of inner walls of dimethyl ketone peroxide according to the present invention;
FIG. 5 is a schematic structural view of a storage casing and a filter screen in the crystallization apparatus for preventing adhesion of inner walls of dimethyl ketone peroxide according to the present invention;
FIG. 6 is a schematic cross-sectional view of a feeding hopper and a sealing cover in the crystallization apparatus for preventing adhesion of inner walls of dimethyl ketone peroxide according to the present invention;
in the figure: 1-reaction cylinder, 2-support frame, 3-storage shell, 4-lower scraper plate, 5-conveying pipeline, 6-upper scraper plate, 7-cross bar, 8-vertical bar, 9-feeding hopper, 10-sealing cover, 11-servo motor, 12-cover plate, 13-rotating plate, 14-annular heating wire, 15-adapter, 16-stop block, 17-filter screen, 18-conveying pump, 19-lower three-way pipe, 20-upper three-way pipe, 21-sleeve, 22-return spring, 23-stop lever and 71-open slot.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 crystallization device of inner wall adhesion is prevented to dimethyl ketone peroxide, includes reaction cylinder 1 and apron 12, and 1 upside of reaction cylinder passes through bolt and apron 12 fixed connection, and apron 12 downside is rotated through the bearing and is connected with montant 8, and montant 8 left and right sides fixedly connected with horizontal pole 7, and cup joint on the montant 8 and be fixed with rotor plate 13, and the horizontal pole 7 outside is connected with sleeve 21, and scraper plate 6 is gone up to sleeve 21 outside fixedly connected with, scraper plate 4 under the 8 bottom fixedly connected with of montant.
The annular heating wire 14 is arranged inside the reaction cylinder 1, the adapter 15 is fixedly connected to the left side of the reaction cylinder 1, and the adapter 15 is electrically connected with the annular heating wire 14 through a lead.
The side fixedly connected with servo motor 11 on the apron 12, the output shaft of servo motor 11 downside is connected with montant 8.
The left side of the cross rod 7 is connected with a return spring 22, the return spring 22 is positioned inside the sleeve 21, and the sleeve 21 is sleeved on the cross rod 7.
An opening groove 71 is formed in the cross rod 7, the blocking rod 23 is inserted into the sleeve 21, and the blocking rod 23 vertically penetrates through the opening groove 71.
As shown in fig. 1 and fig. 3, the working principle of the present invention is as follows: by connecting the adapter 15 with an external power supply, energy supply for the annular heating wire 14 is realized, the reaction kettle is further heated by the operation of the annular heating wire 14, the mixture in the reaction kettle is further heated, the temperature in the reaction kettle is kept constant, the vertical rod 8 is driven to rotate by the operation of the servo motor 11, the horizontal rod 7, the sleeve 21, the upper scraper plate 6 and the lower scraper plate 4 are synchronously driven to rotate by the rotation of the vertical rod 8, the uniform stirring is realized, the sleeve 21 and the upper scraper plate 6 are driven to move outwards under the elastic force of the reset spring 22, the stable contact between the upper scraper plate 6 and the reaction kettle is realized, the crystals on the inner wall of the reaction cylinder 1 are scraped by the upper scraper plate 6 and the lower scraper plate 4, the scraping stability is improved, the scraping range is expanded, and the crystals are prevented from adhering to the inner wall of the reaction kettle, then, the bolts are loosened, so that the cover plate 12 is conveniently separated from the reaction kettle, the operation is simple, and the cleaning is convenient.
The right side of the reaction cylinder 1 is fixedly connected with a delivery pump 18, the inlet and the outlet of the delivery pump 18 are respectively connected with a lower three-way pipe 19 and an upper three-way pipe 20, the left side of the upper three-way pipe 20 extends into the reaction cylinder 1, the lower side of the lower three-way pipe 19 is communicated with the bottom of the reaction cylinder 1 through a delivery pipeline 5, and the lower three-way pipe 19 and the upper three-way pipe 20 are both connected with two switch valves.
As shown in fig. 1 and fig. 2, the working principle of the present invention is as follows: two pipelines on a lower three-way pipe 19 are respectively communicated with a conveying pipeline 5 and external deionized water, the two pipelines on an upper three-way pipe 20 are respectively communicated with a reaction cylinder 1 and an external storage tank, then two switch valves on the lower three-way pipe 19 are opened, a left switch valve on the upper three-way pipe 20 is opened, a right side is closed, a conveying pump 18 is operated simultaneously, the conveying pump 18 operates to drive the deionized water to enter the reaction cylinder 1, the deionized water and a mixture are circulated and flow, the mixture is washed to be neutral, crystals are separated out, then the switch valve on the right side of the upper three-way pipe 20 is opened, the switch valve on the left side is closed, the switch valve on the right side of the lower three-way pipe 19 is closed simultaneously, and the mixture in the reaction cylinder 1 is completely discharged.
The bottom end in the reaction cylinder 1 is connected with the storage shell 3 through threads, the upper side of the storage shell 3 is connected with the filter screen 17 through two fixing rods, the storage shell 3 is positioned on the right side of the conveying pipeline 5, and the filter screen 17 is positioned at the bottom in the reaction cylinder 1.
As shown in fig. 1, fig. 4 and fig. 5, the working principle of the present invention is as follows: the user rotates storage housing 3 to storage housing 3 and rotates and upwards or move down along the reation kettle bottom under the screw thread effect, when storage housing 3 moves up, then realized carrying out the shutoff to pipeline 5 left side, the crystallization falls into storage housing 3 this moment, and avoid mixture and deionized water to get into in pipeline 5, when storage housing 3 moves down, then drive filter screen 17 and move down, when filter screen 17 moves down pipeline 5 downside, the mixture that does not crystallize this moment and deionized water get into pipeline 5 in, filter screen 17 intercepts the crystallization granule this moment, avoid the crystallization granule to get into pipeline 5 in, the purpose of circulation flow has been realized.
The rotating plate 13 is positioned on the upper side of the cross rod 7, the stop block 16 is fixedly connected on the upper side surface of the rotating plate 13, the stop block 16 is positioned on the lower side of the feeding hopper 9, the feeding hopper 9 is fixed on the upper side of the cover plate 12,
the lower side surface of the reaction cylinder 1 is fixedly connected with a support frame 2, and a storage shell 3 is positioned on the upper side of the support frame 2.
The upper side of the feeding hopper 9 is connected with a sealing cover 10 through threads.
As shown in fig. 1, 5 and 6, the working principle of the present invention is as follows: quantitative acetone is convenient for add through left income hopper 9 and the income hopper 9 on right side, sodium bicarbonate and the compound salt of potassium peroxymonosulfate, screw sealed lid 10 on going into hopper 9 top afterwards, realized going into hopper 9 and sealed purpose, it rotates to drive rotor plate 13 and dog 16 in step through the rotation of montant 8 afterwards, it opens and closes to going into hopper 9 lower part to have realized the same frequency, realized carrying out the reinforced purpose of uniform velocity to sodium bicarbonate and the compound salt of potassium peroxymonosulfate, the uniform reaction effect is improved, the preparation efficiency is high.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a crystallization device of adhesion of inner wall is prevented to dimethyl ketone peroxide, includes reaction cylinder (1) and apron (12), its characterized in that: the upper side of the reaction cylinder (1) is fixedly connected with a cover plate (12) through bolts, the lower side of the cover plate (12) is rotatably connected with a vertical rod (8) through a bearing, the left side and the right side of the vertical rod (8) are fixedly connected with a cross rod (7), the vertical rod (8) is fixedly sleeved with a rotating plate (13), the rotating plate (13) is positioned on the upper side of the cross rod (7), the upper side of the rotating plate (13) is fixedly connected with a stop block (16), the stop block (16) is positioned on the lower side of a feeding hopper (9), the feeding hopper (9) is fixed on the upper side of the cover plate (12), the outer side of the cross rod (7) is connected with a sleeve (21), the outer side of the sleeve (21) is fixedly connected with an upper scraper plate (6), the bottom of the vertical rod (8) is fixedly connected with a lower scraper plate (4), the right side of the reaction cylinder (1) is fixedly connected with a conveying pump (18), the left side of the upper three-way pipe (20) extends into the reaction barrel (1), the lower side of the lower three-way pipe (19) is communicated with the bottom of the reaction barrel (1) through a conveying pipeline (5), and the lower three-way pipe (19) and the upper three-way pipe (20) are both connected with two switching valves.
2. The crystallization device for preventing the adhesion of inner walls by dimethyl ketone peroxide as claimed in claim 1, wherein: the reaction cylinder (1) is internally provided with an annular heating wire (14), the left side of the reaction cylinder (1) is fixedly connected with an adapter (15), and the adapter (15) is electrically connected with the annular heating wire (14) through a wire.
3. The crystallization device for preventing the adhesion of inner walls by dimethyl ketone peroxide as claimed in claim 1, wherein: bottom is connected with storage casing (3) through the screw in reaction cylinder (1), storage casing (3) upside is connected with filter screen (17) through two dead levers, and storage casing (3) are located pipeline (5) right side, filter screen (17) are located reaction cylinder (1) bottom.
4. The crystallization device for preventing the adhesion of inner walls by dimethyl ketone peroxide as claimed in claim 1, wherein: the side fixedly connected with servo motor (11) on apron (12), servo motor (11) downside output shaft is connected with montant (8).
5. The crystallization device for preventing the adhesion of inner walls by dimethyl ketone peroxide as claimed in claim 3, wherein: reaction cylinder (1) downside fixedly connected with support frame (2), storage casing (3) are located support frame (2) upside.
6. The crystallization device for preventing the adhesion of inner walls by dimethyl ketone peroxide as claimed in claim 1, wherein: the left side of the cross rod (7) is connected with a return spring (22), the return spring (22) is located inside the sleeve (21), and the sleeve (21) is sleeved on the cross rod (7).
7. The crystallization device for preventing the adhesion of inner walls by dimethyl ketone peroxide as claimed in claim 1, wherein: an open slot (71) is processed in the cross rod (7), a stop lever (23) is inserted into the sleeve (21), and the stop lever (23) vertically penetrates through the open slot (71).
8. The crystallization device for preventing the adhesion of inner walls by dimethyl ketone peroxide as claimed in claim 1, wherein: the upper side of the feeding hopper (9) is connected with a sealing cover (10) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020777401.9U CN212441192U (en) | 2020-05-12 | 2020-05-12 | Crystallization device for preventing inner wall adhesion of dimethyl ketone peroxide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020777401.9U CN212441192U (en) | 2020-05-12 | 2020-05-12 | Crystallization device for preventing inner wall adhesion of dimethyl ketone peroxide |
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| Publication Number | Publication Date |
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| CN212441192U true CN212441192U (en) | 2021-02-02 |
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| CN202020777401.9U Expired - Fee Related CN212441192U (en) | 2020-05-12 | 2020-05-12 | Crystallization device for preventing inner wall adhesion of dimethyl ketone peroxide |
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| CN (1) | CN212441192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115350498A (en) * | 2022-07-20 | 2022-11-18 | 徐姣姣 | Amino acid recycling system |
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2020
- 2020-05-12 CN CN202020777401.9U patent/CN212441192U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115350498A (en) * | 2022-07-20 | 2022-11-18 | 徐姣姣 | Amino acid recycling system |
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Granted publication date: 20210202 |