CN116603255A - Distilling kettle with intelligent uniform heating control of wood chips - Google Patents
Distilling kettle with intelligent uniform heating control of wood chips Download PDFInfo
- Publication number
- CN116603255A CN116603255A CN202310752377.1A CN202310752377A CN116603255A CN 116603255 A CN116603255 A CN 116603255A CN 202310752377 A CN202310752377 A CN 202310752377A CN 116603255 A CN116603255 A CN 116603255A
- Authority
- CN
- China
- Prior art keywords
- shell
- wall
- tray
- wood chips
- heating control
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 56
- 239000002023 wood Substances 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000004821 distillation Methods 0.000 claims abstract description 20
- 238000007790 scraping Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 24
- 239000000110 cooling liquid Substances 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000003756 stirring Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011403 purification operation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000341 volatile oil Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229940126680 traditional chinese medicines Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/02—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in boilers or stills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/42—Regulation; Control
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to the technical field of stills, in particular to a stills with intelligent uniform heating control of wood chips, which comprises a shell, wherein a plurality of heating jackets are arranged at the bottom of the shell in a penetrating way, a placing pipe is movably inserted in each heating jacket, heating plates are arranged on the inner walls of the plurality of heating jackets, a tray is arranged in the shell, a plurality of blanking slots are formed in the upper part of the tray at equal intervals, the other ends of the placing pipes are inserted in the blanking slots and are matched with the blanking slots, a screw rod is rotatably arranged on the bottom wall of the shell, the screw rod penetrates through the tray and is in threaded connection with the tray, a plurality of scraping plates are rotatably arranged on the upper side of the tray and are used for stirring materials into the blanking slots, and a motor is arranged at the bottom of the shell and is used for driving the screw rod to rotate. According to the invention, uneven heating caused by accumulation of materials can be avoided, so that the distillation and extraction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of distillation kettles, in particular to a distillation kettle with intelligent uniform heating control of wood chips.
Background
The distillation still is a process that liquid in the still is changed into secondary steam through heating of steam or electric heating pipes, the secondary steam leaves the distillation still and enters a condenser to be cooled, the concentration of the solution in the still can be increased in the process, the evaporated liquid can be recovered, the distillation still can be used for distilling organic solvents such as ethanol, methanol and the like, and meanwhile, the distillation still can be widely applied to aromatic plant essential oil and pure dew production and can also be used for extracting chemical components of traditional Chinese medicines.
The condition that need heat the bin in the in-process that uses of stills exists, and current stills generally all use the clamp cover to heat the material of inside mostly, because the material always all piles together when distilling, the material of heating portion can exist the inhomogeneous question of being heated like this to make the material heated time extension, lead to easily arbor essential oil's extraction efficiency to reduce.
Disclosure of Invention
Therefore, the invention aims to provide a distillation still with intelligent uniform heating control of wood chips, so as to solve the problem that the existing partial distillation still is likely to cause uneven heating due to piling of materials.
Based on the above purpose, the invention provides the distillation still with the intelligent uniform heating control of the wood chips.
The utility model provides a possesses even stills of being heated control of saw-dust intelligence, includes the casing, the casing bottom runs through and installs a plurality of heating jackets, and all the activity is inserted in the heating jacket and is equipped with and place the pipe, the hot plate is all installed to the inner wall of a plurality of heating jackets, the inside tray that is equipped with of casing, and a plurality of blanking notches have been seted up to the upper portion round equidistance of tray, place the other end of pipe all insert establish in the blanking notch and rather than the looks adaptation, the lead screw is installed in the rotation of casing diapire, and the lead screw runs through the tray and rather than threaded connection, the upside of tray rotates and is equipped with a plurality of scrapers, and the scraper blade is used for dialling the material into in the blanking notch, the casing bottom is equipped with the motor, and the motor is used for driving the lead screw rotation.
Further, the top of the shell is hinged with a top cover, the upper part of the top cover is fixedly provided with a condensing box body through a bolt, the inner wall of the condensing box body is fixedly provided with a conical pipe and a conical sealing cover, the conical sealing cover is positioned on the upper part of the conical pipe, a condensing bin is formed between the conical sealing cover and the conical pipe, the outer wall of one side of the condensing box body is fixedly provided with a discharging pipe, and one end of the discharging pipe penetrates through the outer wall of the condensing box body and is communicated with the condensing bin.
Further, the outer walls of the two sides of the condensing box body are respectively and fixedly provided with a cooling liquid inlet and a cooling liquid outlet, and one ends of the cooling liquid inlet and the cooling liquid outlet respectively penetrate through the two sides of the condensing box body and are communicated with the condensing box body.
Further, the one end cover of lead screw is equipped with the collar, and the equal fixed mounting of one end of a plurality of scrapers is at the outer wall of collar, and the collar rotates with the tray to be connected, a plurality of spouts have been seted up to the outer wall round equidistance of lead screw, and the fixed a plurality of stoppers that are equipped with of collar inner wall round, a plurality of stoppers insert respectively establish with in the spout that corresponds and rather than sliding connection.
Further, the second sealing block is arranged at the bottom of the placing pipe, the first sealing block is arranged at the bottom of the heating sleeve, and the thread grooves are formed in the second sealing block and one end of the first sealing block.
Further, a plurality of the heating jacket's one end all fixed cover is equipped with the ring flange, and a plurality of ring flanges all pass through the bottom of bolt fastening in the casing.
Further, a mounting block is fixedly arranged on the outer wall of one side of the shell, a rotating shaft is rotatably mounted in the mounting block, a fixing block is fixedly mounted on the outer wall of one side of the top cover, and the rotating shaft penetrates through the fixing block and is rotatably connected with the fixing block.
Further, the temperature sensor is fixedly installed on one side of the outer wall of the placing pipe, and the control box is installed on the outer wall of one side of the shell.
Further, a plurality of supporting legs are fixedly arranged at the bottom of the shell.
Further, the motor is fixedly arranged at the bottom of the shell through a bolt, and the output end of the motor penetrates through the bottom of the shell and is fixedly connected with one end of the screw rod.
The invention has the beneficial effects that:
according to the invention, through the plurality of placing pipes, when the motor is started to drive the screw rod to rotate, the tray which is in threaded connection with the screw rod is rotated to move downwards, the tray is moved downwards, the plurality of deflector rods are simultaneously rotated, the scraping plates stir the materials on the tray into the placing pipes when the tray rotates, after the placing pipes are completely inserted into the heating jackets, the temperature of the heating plates is adjusted through the control boxes, so that the materials in the placing pipes are heated, the temperature sensor monitors the temperature of the materials constantly, and temperature signals are transmitted to the control boxes so as to be adjusted at any time, thus the materials can be prevented from being accumulated together to cause uneven heating, and the distillation and extraction efficiency is improved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a housing according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a partial housing according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a screw according to an embodiment of the present invention;
FIG. 5 is a schematic view of a partial explosion of an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a condensing box according to an embodiment of the present invention;
fig. 7 is an enlarged partial schematic view of a portion of an embodiment of the present invention.
Marked in the figure as:
1. a housing; 2. a support leg; 3. a control box; 4. a cooling liquid outlet; 5. a top cover; 6. a mounting block; 7. a condensing box; 8. a cooling liquid inlet; 9. a conical sealing cover; 10. a discharge pipe; 11. a tray; 12. a scraper; 13. a mounting ring; 14. placing a tube; 15. a heating jacket; 16. a heating plate; 17. a screw rod; 18. a blanking notch; 19. a temperature sensor; 20. a flange plate; 21. a first sealing block; 22. a motor; 23. a chute; 24. a limiting block; 25. a second sealing block; 26. a thread groove; 27. a conical tube; 28. a condensation bin; 29. a fixed block; 30. a rotating shaft.
Detailed Description
The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1-7, a distillation still with intelligent uniform heating control of wood chips comprises a shell 1, a plurality of heating jackets 15 are installed at the bottom of the shell 1 in a penetrating manner, a placing pipe 14 is movably inserted in each heating jacket 15, heating plates 16 are installed on the inner walls of the plurality of heating jackets 15, a tray 11 is arranged in the shell 1, a plurality of blanking slots 18 are formed in the upper portion of the tray 11 at equal intervals, the other end of each placing pipe 14 is inserted in each blanking slot 18 and is matched with the blanking slots, a screw rod 17 is installed at the bottom wall of the shell 1 in a rotating manner, the screw rod 17 penetrates through the tray 11 and is in threaded connection with the tray, a plurality of scraping plates 12 are arranged at the upper side of the tray 11 in a rotating manner, the scraping plates 12 are used for stirring materials into the blanking slots 18, a motor 22 is arranged at the bottom of the shell 1, the motor 22 is used for driving the screw rod 17 to rotate, after the motor 22 is started to drive the screw rod 17 to rotate, the tray 11 in threaded connection with the screw rod 11 moves downwards, the plurality of scraping plates 12 synchronously rotate, the scraping plates 12 stir the materials on the tray 11 into the placing pipes 14, the placing pipes 14 are screwed into the placing pipes, and the heating plates 14 are completely inserted into the heating plates 16, and then the heating plates are completely heated by the heating plates 16 are arranged after the heating plates are completely inside the heating plates are arranged.
The top cover 5 is hinged to the top of the shell 1, the condensing box 7 is fixedly mounted on the upper portion of the top cover 5 through bolts, the conical tube 27 and the conical sealing cover 9 are fixedly mounted on the inner wall of the condensing box 7, the conical sealing cover 9 is located on the upper portion of the conical tube 27, a condensing bin 28 is formed between the conical sealing cover 9 and the conical tube 27, the discharging tube 10 is fixedly mounted on the outer wall of one side of the condensing box 7, one end of the discharging tube 10 penetrates through the outer wall of the condensing box 7 and is communicated with the condensing bin 28, steam can be produced to move upwards after the material is heated to a certain temperature, the steam can be cooled and condensed in the condensing bin 28, and is discharged and collected from the discharging tube 10 after being condensed into small water drops, and the next purification operation is waited.
The cooling liquid inlet 8 and the cooling liquid outlet 4 are respectively fixedly arranged on the outer walls of the two sides of the condensing box body 7, one ends of the cooling liquid inlet 8 and the cooling liquid outlet 4 respectively penetrate through the two sides of the condensing box body 7 and are communicated with the condensing box body, and circulated cooling liquid is filled in the condensing box body 7 through the cooling liquid inlet 8 and the cooling liquid outlet 4, so that steam is cooled and condensed conveniently.
One end of the screw rod 17 is sleeved with a mounting ring 13, one ends of a plurality of scraping plates 12 are fixedly arranged on the outer wall of the mounting ring 13, the mounting ring 13 is rotationally connected with the tray 11, a plurality of sliding grooves 23 are formed in the outer wall of the screw rod 17 at equal intervals, a plurality of limiting blocks 24 are fixedly arranged in the inner wall of the mounting ring 13 at one circle, the limiting blocks 24 are respectively inserted into the corresponding sliding grooves 23 and are in sliding connection with the corresponding sliding grooves, and the mounting ring 13 is rotationally connected with the tray 11 and is in sliding connection with the screw rod 17, so that the scraping plates 12 rotate together when the screw rod 17 rotates.
The second sealing block 25 is installed at the bottom of the placing pipe 14, the first sealing block 21 is installed at the bottom of the heating sleeve 15, the thread grooves 26 are formed in the second sealing block 25 and one end of the first sealing block 21, and the installation is convenient through threaded connection.
One end of each heating sleeve 15 is fixedly sleeved with a flange plate 20, and the flange plates 20 are fixed at the bottom of the shell 1 through bolts.
The installation piece 6 is fixedly arranged on the outer wall of one side of the shell 1, the rotating shaft 30 is rotationally installed on the installation piece 6, the fixed block 29 is fixedly installed on the outer wall of one side of the top cover 5, the rotating shaft 30 penetrates through the fixed block 29 and is rotationally connected with the fixed block 29, and the top cover 5 is rotationally connected with the shell 1, so that the material is convenient to lower.
The temperature sensor 19 is fixedly installed on one side of the outer wall of the placing pipe 14, the control box 3 is installed on the outer wall of one side of the shell 1, the temperature of materials is monitored constantly by the temperature sensor 19 during heating, and a temperature signal is transmitted to the control box 3 so as to be adjusted at any time.
A plurality of supporting legs 2 are fixedly arranged at the bottom of the shell 1.
The motor 22 is fixedly arranged at the bottom of the shell 1 through bolts, the output end of the motor 22 penetrates through the bottom of the shell 1 and is fixedly connected with one end of the screw rod 17, and the motor 22 is started to drive the screw rod 17 to rotate together.
Working principle: when the device is used, the top cover 5 is firstly opened, arbor wood chips waiting for distillation are all placed on the tray 11, the top cover 5 is closed and sealed, then the motor 22 is started to drive the screw rod 17 to rotate, the tray 11 which is in threaded connection with the screw rod 17 is moved downwards while the tray 11 is moved downwards, the plurality of scrapers 12 are synchronously rotated, the scrapers 12 stir materials on the tray 11 into the placing pipes 14 while rotating, after the placing pipes 14 are completely inserted into the heating jackets 15, the temperature of the heating plates 16 is regulated by the control box 3, so that the materials in the placing pipes 14 are heated, the temperature of the materials is monitored constantly by the temperature sensor 19 while heating, a temperature signal is transmitted to the control box 3 so as to be regulated at any time, after the materials are heated to a certain temperature, steam is produced to move upwards, the steam is cooled and condensed in the condensation bin 28, and is discharged and collected from the discharging pipes 10, and the next purification operation is waited.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the invention (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a possesses even stills that is heated of saw-dust intelligence, includes casing (1), a serial communication port, casing (1) bottom runs through installs a plurality of heating jackets (15), and all the activity is inserted in heating jacket (15) and is equipped with places pipe (14), and heating plate (16) are all installed to the inner wall of a plurality of heating jackets (15), casing (1) inside is equipped with tray (11), and a plurality of blanking notch (18) have been seted up to the upper portion round equidistance of tray (11), place the other end of pipe (14) all insert establish in blanking notch (18) and rather than the looks adaptation, lead screw (17) are installed in casing (1) diapire rotation, and lead screw (17) run through tray (11) and rather than threaded connection, the upside rotation of tray (11) is equipped with a plurality of scraper blades (12), and scraper blade (12) are used for dialling the material into blanking notch (18), casing (1) bottom is equipped with motor (22), and motor (22) are used for driving lead screw (17) rotation.
2. The stills with intelligent uniform heating control for wood chips according to claim 1, wherein the top of the shell (1) is hinged with a top cover (5), a condensing box (7) is fixedly arranged on the upper portion of the top cover (5) through bolts, a conical tube (27) and a conical sealing cover (9) are fixedly arranged on the inner wall of the condensing box (7), the conical sealing cover (9) is arranged on the upper portion of the conical tube (27), a condensing bin (28) is formed between the conical sealing cover (9) and the conical tube (27), a discharging tube (10) is fixedly arranged on the outer wall of one side of the condensing box (7), and one end of the discharging tube (10) penetrates through the outer wall of the condensing box (7) and is communicated with the condensing bin (28).
3. The distillation still with intelligent uniform heating control for wood chips according to claim 2, wherein a cooling liquid inlet (8) and a cooling liquid outlet (4) are respectively fixedly arranged on the outer walls of two sides of the condensing box body (7), and one ends of the cooling liquid inlet (8) and the cooling liquid outlet (4) respectively penetrate through two sides of the condensing box body (7) and are communicated with the condensing box body.
4. The stills with the intelligent uniform heating control of the wood chips according to claim 1, wherein one end of the screw rod (17) is sleeved with a mounting ring (13), one ends of the scraping plates (12) are fixedly mounted on the outer wall of the mounting ring (13), the mounting ring (13) is rotationally connected with the tray (11), a plurality of sliding grooves (23) are formed in the outer wall of the screw rod (17) at equal intervals, a plurality of limiting blocks (24) are fixedly arranged in the inner wall of the mounting ring (13) at equal intervals, and the limiting blocks (24) are respectively inserted into the corresponding sliding grooves (23) and are in sliding connection with the corresponding sliding grooves.
5. The distillation still with intelligent uniform heating control of wood chips according to claim 1, wherein a second sealing block (25) is installed at the bottom of the placing pipe (14), a first sealing block (21) is installed at the bottom of the heating jacket (15), and screw grooves (26) are formed in one ends of the second sealing block (25) and the first sealing block (21).
6. The distillation still with intelligent uniform heating control of wood chips according to claim 1, wherein a flange plate (20) is fixedly sleeved at one end of each heating sleeve (15), and the flange plates (20) are fixed at the bottom of the shell (1) through bolts.
7. The distillation still with intelligent uniform heating control for wood chips according to claim 2, wherein a mounting block (6) is fixedly arranged on one side outer wall of the shell (1), a rotating shaft (30) is rotatably mounted in the mounting block (6), a fixing block (29) is fixedly mounted on one side outer wall of the top cover (5), and the rotating shaft (30) penetrates through the fixing block (29) and is rotatably connected with the fixing block.
8. The distillation still with intelligent uniform heating control of wood chips according to claim 1, wherein the temperature sensors (19) are fixedly arranged on one side of the outer wall of the placing pipe (14), and the control box (3) is arranged on the outer wall of one side of the shell (1).
9. The distillation still with intelligent uniform heating control for wood chips according to claim 1, wherein a plurality of supporting legs (2) are fixedly arranged at the bottom of the shell (1).
10. The distillation still with intelligent uniform heating control for wood chips according to claim 1, wherein the motor (22) is fixedly arranged at the bottom of the shell (1) through bolts, and the output end of the motor (22) penetrates through the bottom of the shell (1) and is fixedly connected with one end of the screw rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310752377.1A CN116603255A (en) | 2023-06-26 | 2023-06-26 | Distilling kettle with intelligent uniform heating control of wood chips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310752377.1A CN116603255A (en) | 2023-06-26 | 2023-06-26 | Distilling kettle with intelligent uniform heating control of wood chips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116603255A true CN116603255A (en) | 2023-08-18 |
Family
ID=87678374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310752377.1A Pending CN116603255A (en) | 2023-06-26 | 2023-06-26 | Distilling kettle with intelligent uniform heating control of wood chips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116603255A (en) |
-
2023
- 2023-06-26 CN CN202310752377.1A patent/CN116603255A/en active Pending
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