CN114985675A - Reaction device for recycling inorganic core sand water supplement and recycling method - Google Patents
Reaction device for recycling inorganic core sand water supplement and recycling method Download PDFInfo
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- CN114985675A CN114985675A CN202210669853.9A CN202210669853A CN114985675A CN 114985675 A CN114985675 A CN 114985675A CN 202210669853 A CN202210669853 A CN 202210669853A CN 114985675 A CN114985675 A CN 114985675A
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- water
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- inorganic core
- core sand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/04—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose by grinding, blending, mixing, kneading, or stirring
- B22C5/0409—Blending, mixing, kneading or stirring; Methods therefor
- B22C5/0459—Blending, mixing, kneading or stirring; Methods therefor with a receptacle rotating about a horizontal or slightly inclined axis, e.g. with fixed or rotating tools
Abstract
The invention provides a reaction device and a recycling method for inorganic core sand water replenishing, wherein the reaction device comprises a reaction barrel, a water adding device, a heating device and a driving device; the heating device is arranged at the bottom of the reaction barrel; the water adding device is used for providing water for the interior of the reaction barrel; the driving device is used for driving the reaction barrel to rotate. The reuse method is as follows: mixing the invalid inorganic core sand and a proper amount of water in a reaction barrel, and then heating and stirring the mixture to generate a water absorption reaction so as to obtain the inorganic core sand with the recovered function. The reaction device for recycling the inorganic core sand replenishing water provided by the invention is simple in structure and simple and convenient to operate; the recycling method provided by the invention can be used for recycling the recovery performance of the failed inorganic core sand, so that the waste of the binder and the additive is avoided; and can realize long-term storage of the inorganic core sand.
Description
Technical Field
The invention belongs to the technical field of casting molding sand, relates to an inorganic core sand recycling method, and particularly relates to a reaction device and a recycling method for inorganic core sand water replenishing recycling.
Background
In the aspect of casting, the inorganic binder has the advantages of environmental protection, no pollution and the like. However, the inorganic core sand (sand mixed by the inorganic binder and the foundry sand) is exposed in the air and contacts with the air, the inorganic binder can generate dehydration condensation reaction to adhere sand grains together, gradually spread to the center, and then is solidified and crusted. Causing the inorganic core sand to fail.
At present, the treatment method aiming at the ineffective inorganic core sand adopts the methods of mechanical method, wet method, mechanical method + thermal method, thermal method + wet method and the like to regenerate the sand.
CN 107812881a discloses an inorganic sand regeneration method and an inorganic regenerated sand, the regeneration method comprises the following steps: (1) first mechanical regeneration: crushing the inorganic used sand to obtain primary mechanically regenerated sand; (2) thermal regeneration: heating the primary mechanically reclaimed sand to obtain thermally reclaimed sand; (3) and (3) mechanical regeneration for the second time: mechanically grinding the thermal method reclaimed sand to obtain secondary mechanical reclaimed sand; (4) and removing the crushed impurities in the secondary mechanical reclaimed sand to obtain the inorganic reclaimed sand.
CN 109226668A discloses a method for regenerating inorganic sand, which comprises the following steps: (1) mechanically crushing the inorganic used sand until the particle size is less than 6mm, and sieving to obtain sand A; (2) carrying out boiling type roasting on the sand A in a roasting furnace, then entering a smoldering zone, and continuing roasting to obtain sand B; (3) mechanically grinding the sand B at the temperature of 250-350 ℃, cooling, pumping the ground fine powder away by induced air, and recovering heat carried by the induced air for fluidized bed roasting to obtain sand C; (4) and adding water into the sand C, mixing and stirring, separating water, recycling, drying and cooling to obtain the inorganic reclaimed sand.
CN 113695515a discloses a process method for regenerating inorganic sand, which comprises the following steps: (1) the used sand is lifted to a batching machine through a storage box, and is conveyed to a crusher after batching; (2) after the sand material is crushed by the crusher, screening by a screening machine and removing dust by a dust removal system; (3) the sand material after dust removal enters an aeration dissolution washing tank to carry out two-stage aeration dissolution washing; (4) after being washed by air water, the sand enters an aeration sand cleaning pool for two-stage aeration cleaning, and glue solution is attached to the surface of cleaning sand to clean the surface of the sand; (5) conveying the sand material cleaned in the step (4) to a tubular separator and a bed filter for sand-water separation twice; (6) and conveying the dehydrated sand material to a dryer through a belt conveyor, drying and conveying to a finished product bin for later use.
CN 107812881a discloses an inorganic sand regeneration method and an inorganic regenerated sand, the inorganic sand regeneration method comprises the following steps: (1) first mechanical regeneration: crushing the inorganic used sand to obtain primary mechanically regenerated sand; (2) thermal regeneration: heating the primary mechanically reclaimed sand to obtain thermally reclaimed sand; (3) and (3) mechanical regeneration for the second time: mechanically grinding the thermal method reclaimed sand to obtain secondary mechanical reclaimed sand; (4) and removing the crushed impurities in the secondary mechanical reclaimed sand to obtain the inorganic reclaimed sand.
Although the above patents disclose the treatment of the inorganic core sand after failure, the disclosed method and the regenerated inorganic core sand destroy the original reagent on the surface of the inorganic core sand, and the inorganic binder needs to be coated again before reuse, which affects the reuse of the inorganic core sand.
In summary, it is one of the problems to be solved in the art to provide a reuse method for performing a water absorption reaction on incompletely solidified inorganic core sand to separate the adhered core sand, so as to achieve a state similar to that of the freshly mixed core sand, and to continue to be used for core making, thereby avoiding the waste of the core sand.
Disclosure of Invention
The invention aims to provide a reaction device and a recycling method for recycling inorganic core sand by supplementing water, wherein the recycling method can be used for recycling the failed inorganic core sand after recovering the performance, so that the waste of a binder and an additive is avoided; the long-term storage of the inorganic core sand can also be realized.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a reaction device for inorganic core sand water replenishing recycling, which comprises a reaction barrel, a water adding device, a heating device and a driving device, wherein the reaction barrel is arranged in the reaction barrel;
the heating device is arranged at the bottom of the reaction barrel;
the water adding device is used for providing water for the reaction inner barrel;
the driving device is used for driving the reaction barrel to rotate.
The reaction device for recycling the inorganic core sand water is simple in structure, the reaction barrel is a sealing device, the inorganic core sand which is not completely solidified is placed in a sealed space, the inorganic core sand is continuously stirred for a period of time after being sealed, the temperature of the sealed space is increased, and the reaction speed is accelerated.
Preferably, the heating means includes a temperature sensor, a heating plate, and an outer frame.
Preferably, the temperature sensor is used for detecting the temperature in the reaction barrel.
Preferably, the outer frame is used to fix the heating plate.
The heating plate provided by the invention adopts electromagnetic heating, can be intelligently adjusted according to the temperature detected by the temperature sensor, and can also adopt resistance heating. The invention does not limit the material selection of the heating plate, and can be adopted as long as the heating plate can provide heat for the reaction barrel.
Preferably, the drive means comprises a roller drive and/or a screw drive.
Preferably, the roller drive comprises a motor, a gear and a roller which are sequentially connected.
Preferably, the surface of the roller is provided with a rubber layer.
The rubber layer is arranged on the surface of the roller, so that the friction coefficient between the reaction barrel and the roller is increased, and the reaction barrel is driven to rotate through friction.
The roller is driven by the motor, the gear is driven by the motor to rotate, then the roller is driven to rotate, the contact surface between the reaction barrel and the roller has a large friction coefficient, and the reaction barrel is driven to rotate by large friction force, so that sand in the reaction barrel rolls up and down, and the stirring effect is realized.
Preferably, the screw drive comprises a screw blade.
If the roller drive fails, the screw drive can also realize the stirring effect of the inorganic core sand in the reaction barrel.
Preferably, the helical blade is disposed inside the reaction barrel.
Preferably, one end of the reaction barrel is provided with a sealing cover.
The purpose of the sealing cover is to ensure that the reaction barrel keeps a closed environment in the sand mixing process and ensure the water absorption reaction.
Preferably, the reaction barrel further comprises a sand outlet guide plate.
Preferably, the sand outlet guide plate is arranged on one side close to the sealing cover.
The sand production guide plate is used for collecting inorganic core sand after reaction. When taking sand, the sand in the reaction barrel slides down along the sand outlet guide plate, so that the collection is convenient and the labor is saved.
Preferably, the water adding device comprises a water pump and a water delivery pipe which are sequentially connected.
Preferably, the water adding device further comprises an inorganic core sand water content detection device.
According to the water content provided by the inorganic core sand water content detection device, the adding amount of water added into the reaction barrel is determined.
The water pump provided by the invention is used for controlling time and water adding amount, the water adding amount to the reaction barrel is calculated according to the value detected by the water content detector, and the calculation formula is as follows: adding water in the amount of the inorganic core sand is multiplied by weight (the set water content is the measured water content), and when the measured water content is more than or equal to 1.6 percent, adding no water; the purpose of adding water into the reaction barrel is to supplement water required by the reaction and improve the water content of the reaction environment.
Preferably, the outlet of the water pipe is arranged inside the reaction barrel.
Preferably, an atomization device is arranged at the outlet of the water conveying pipe.
Preferably, the reaction device further comprises a supporting device and a control switch.
Preferably, the support device is used for supporting the reaction barrel.
Preferably, the control switch is used for controlling the operation of the heating device, the driving device and the water adding device.
The reaction device for recycling the inorganic core sand replenishing water also comprises a reaction barrel limiting part, and is used for preventing the reaction barrel from shaking left and right and improving the stirring stability.
In a second aspect, the invention provides a method for recycling inorganic core sand by using the reaction device for recycling inorganic core sand replenishing water provided by the first aspect.
Preferably, the reuse method is as follows:
mixing the invalid inorganic core sand and a proper amount of water in a reaction barrel, and then heating and stirring the mixture to generate a water absorption reaction to obtain the inorganic core sand with the recovered performance.
Preferably, the spent inorganic core sand and water have a solid-to-liquid ratio of 1000 (1-12), which may be, for example, 1000:1, 1000:2, 1000:3, 1000:4, 1000:5, 1000:6, 1000:7, 1000:8, 1000:9, 1000: 10. 1000:11 or 1000:12, but not limited to the recited values, other values not recited within the numerical range are equally applicable.
The specific water addition amount of the solid-liquid ratio of the ineffective inorganic core sand and water is calculated according to the water content of the inorganic core sand.
Preferably, the stirring speed is 60-200r/min, for example 60r/min, 80r/min, 100r/min, 120r/min, 140r/min, 160r/min, 180r/min or 200r/min, but is not limited to the recited values, and other values not recited in the numerical range are equally applicable.
Preferably, the temperature of the water absorption reaction is 20 to 70 ℃, for example, 20 ℃, 30 ℃, 40 ℃, 50 ℃, 60 ℃ or 70 ℃, but not limited to the recited values, and other values not recited in the numerical range are also applicable.
Preferably, the time of the water absorption reaction is 10-60min, such as 10min, 20min, 30min, 40min, 50min or 60min, but not limited to the recited values, and other values not recited in the range of values are also applicable.
As a preferred embodiment of the present invention, the method for recycling inorganic core sand according to the second aspect of the present invention is as follows:
mixing the ineffective inorganic core sand and water in a reaction barrel according to the solid-liquid ratio of 1000 (1-12), and then carrying out water absorption reaction for 5-60min at the rotating speed of 60-200r/min and the temperature of 20-70 ℃ to obtain the inorganic core sand with the recovered function.
The recycling method provided by the invention further comprises post-treatment. And the post-treatment comprises sand taking and sealed collection which are sequentially carried out.
In the sand taking process, a sand taking button is pressed to enable a motor to rotate reversely, the spiral structure in the reaction barrel drives the sand to roll out, and the taken inorganic core sand is placed in a sealing bag for storage.
The numerical ranges set forth herein include not only the recited values but also any values between the recited numerical ranges not enumerated herein, and are not intended to be exhaustive or otherwise clear from the intended disclosure of the invention in view of brevity and clarity.
Compared with the prior art, the invention has the following beneficial effects:
(1) the reaction device for recycling inorganic core sand water replenishing is simple in structure, convenient to use and beneficial to industrial production and application;
(2) the recycling method provided by the invention recycles the recovery function of the invalid inorganic core sand, thereby avoiding the waste of the binder and the additive;
(3) the recycling method provided by the invention can also realize long-time storage of the inorganic core sand.
Drawings
FIG. 1 is a schematic structural diagram of a reaction apparatus for inorganic core sand water replenishing recycling provided in example 1 of the present invention;
fig. 2 is a schematic diagram of specific components of the reaction device for inorganic core sand water replenishing and recycling provided in embodiment 1 of the present invention.
Wherein, 1 is a reaction barrel, 2 is a driving device, 2-1 is a motor, 2-2 is a gear, 2-3 is a rolling shaft, 3 is a water adding device, 3-1 is a water pump, 3-2 is a water conveying pipe, 4 is a sand discharging plate, 5 is a supporting device, 6-1 is a heating plate, 6-2 is an outer frame, 7 is a control switch, and 8 is a reaction barrel limit.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.
In order to show the effectiveness of the recycling method, the inorganic core sand treated by the specific implementation method of the invention is the same inorganic core sand, and the preparation method of the inorganic core sand comprises the following steps:
adding 8kg of silica sand into a sand mixer, adding 68g of additive, adding 160g of inorganic binder, and stirring to obtain the inorganic core sand.
Example 1
The embodiment provides a reaction device for recycling inorganic core sand water replenishing shown in fig. 1 and fig. 2, which comprises a reaction barrel 1, a heating device, a driving device 2 and a water adding device 3; the heating device is arranged at the bottom of the reaction barrel 1; the driving device 2 is used for driving the reaction barrel 1 to rotate; the water adding device 3 is used for adding a proper amount of water into the reaction barrel 1.
The heating device comprises a heating plate 6-1 and an outer frame 6-2; the outer frame 6-2 is used for fixing the heating plate 6-1; the heating plate 6-1 is an electromagnetic heating plate.
The driving device 2 comprises a roller drive and a spiral drive; the roller driving device comprises a motor 2-1, a gear 2-2 and a roller 2-3 which are sequentially connected; the surface of the roller 2-3 is provided with a rubber layer;
the screw drive comprises a screw blade; the helical blade is arranged inside the reaction barrel.
One end of the reaction barrel 1 is provided with a sealing cover; the reaction barrel 1 also comprises a sand outlet flow guide plate 4; the sand outlet guide plate 4 is arranged on one side close to the sealing cover.
The water adding device 3 comprises a water pump 3-1 and a water delivery pipe 3-2 which are connected in sequence; the outlet of the water conveying pipe 3-2 is arranged inside the reaction barrel 1; an atomization device is arranged at the outlet of the water delivery pipe 3-2.
The reaction device also comprises a supporting device 5, a control switch 7 and a reaction barrel limit 8; the supporting device 5 is used for supporting the reaction barrel 1; the control switch 7 is used for controlling the operation of the heating device, the driving device 2 and the water adding device 3; the reaction barrel limiting part 8 is used for preventing the reaction barrel 1 from shaking left and right.
Example 2
This example provides a reaction apparatus for inorganic core sand water replenishing recycling, which differs from example 1 only in that: the embodiment omits a water adding device.
Comparative example 1
This comparative example provides a reaction apparatus for inorganic core sand water replenishing recycling, which differs from example 1 only in that: this comparative example omits the heating device.
Application example 1
The present application example provides an inorganic core sand water absorption reaction performed by using the reaction apparatus for inorganic core sand water supplement reuse provided in example 1, and the reuse method is as follows:
mixing the ineffective inorganic core sand and water in a reaction barrel according to the solid-liquid ratio of 1000:10, and then carrying out water absorption reaction for 60min at the rotating speed of 60r/min and the temperature of 30 ℃ to obtain the inorganic core sand with the recovered function.
The failed inorganic core sand is placed in a high-temperature low-humidity environment for 40min, and a large amount of the failed inorganic core sand is solidified and crusted.
The performance of the recovered inorganic core sand was measured, and the results are shown in table 1.
Application example 2
The present application example provides an inorganic core sand water absorption reaction performed by using the reaction apparatus for inorganic core sand water supplement reuse provided in example 2, and the reuse method is as follows:
and placing the ineffective inorganic core sand in a reaction barrel, and then carrying out water absorption reaction for 60min at the rotating speed of 60r/min and the temperature of 30 ℃ to obtain the inorganic core sand with the recovered function.
The failed inorganic core sand is placed in a high-temperature low-humidity environment for 40min, and is solidified and crusted in a large quantity.
The performance of the recovered inorganic core sand was measured, and the results are shown in table 1.
Blank control
The application example provides the invalid inorganic core sand, wherein the invalid inorganic core sand is placed in a high-temperature low-humidity environment for 40min, and the invalid inorganic core sand is solidified and crusted in a large quantity.
TABLE 1
Relativity is the ratio of the initial inorganic core sand performance under this condition, with a larger percentage indicating better inorganic core sand performance.
As can be seen from table 1, the recycling method provided by the present invention can recover the inorganic core sand that has not been completely solidified to more than 80% of the original performance by the water absorption reaction of the spent inorganic core sand, and can be continuously used for core making.
In conclusion, the reaction device for recycling the inorganic core sand water replenishing is simple in structure and convenient to operate; the recycling method provided by the invention can be used for recycling the recovery performance of the ineffective inorganic core sand, so that the waste of the binder and the additive is avoided; the long-term storage of the inorganic core sand can also be realized.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.
Claims (10)
1. A reaction device for recycling inorganic core sand water replenishing is characterized by comprising a reaction barrel, a water adding device, a heating device and a driving device;
the heating device is arranged at the bottom of the reaction barrel;
the water adding device is used for providing water for the interior of the reaction barrel;
the driving device is used for driving the reaction barrel to rotate.
2. The reaction device for the water replenishing and recycling of the inorganic core sand according to claim 1, wherein the heating device comprises a temperature sensor, a heating plate and an outer frame;
preferably, the temperature sensor is used for detecting the temperature in the reaction barrel;
preferably, the outer frame is used to fix the heating plate.
3. The reaction device for inorganic core sand moisturizing reuse according to claim 1 or 2, wherein the driving device comprises a roller drive and/or a screw drive;
preferably, the roller drive comprises a motor, a gear and a roller which are sequentially connected;
preferably, a rubber layer is arranged on the surface of the roller;
preferably, the screw drive comprises a screw blade;
preferably, the helical blade is disposed inside the reaction barrel.
4. The reaction device for inorganic core sand water replenishing and recycling as claimed in claim 3, wherein a sealing cover is arranged at one end of the reaction barrel;
preferably, the reaction barrel further comprises a sand outlet flow guide plate;
preferably, the sand outlet guide plate is arranged on one side close to the sealing cover.
5. The reaction device for inorganic core sand water replenishing and recycling as claimed in any one of claims 1 to 4, wherein the water replenishing device comprises a water pump and a water delivery pipe which are connected in sequence;
preferably, the outlet of the water pipe is arranged inside the reaction barrel;
preferably, an atomization device is arranged at the outlet of the water conveying pipe;
preferably, the water adding device further comprises an inorganic core sand water content detection device.
6. The reaction device for the inorganic core sand water replenishing recycling according to any one of claims 1 to 5, wherein the reaction device further comprises a supporting device and a control switch;
preferably, the supporting device is used for supporting the reaction barrel;
preferably, the control switch is used for controlling the operation of the heating device, the driving device and the water adding device.
7. A method for recycling inorganic core sand, which is characterized in that the method is carried out by using the reaction device for recycling inorganic core sand by replenishing water according to any one of claims 1 to 6.
8. The method of recycling inorganic core sand according to claim 7, wherein the method of recycling is as follows:
mixing the invalid inorganic core sand and water in a reaction barrel, and then heating and stirring the mixture to generate a water absorption reaction so as to obtain the inorganic core sand with the recovered function.
9. The method of recycling inorganic core sand according to claim 8, wherein the solid-to-liquid ratio of the spent inorganic core sand to water is 1000 (1-12);
preferably, the stirring speed is 60-200 r/min;
preferably, the temperature of the water absorption reaction is 20-70 ℃;
preferably, the time of the water absorption reaction is 5-60 min.
10. The method of recycling inorganic core sand according to any one of claims 7 to 9, wherein the method of recycling is as follows:
mixing the ineffective inorganic core sand and water in a reaction barrel according to the solid-liquid ratio of 1000 (1-12), and then carrying out water absorption reaction for 5-60min at the rotating speed of 60-200r/min and the temperature of 20-70 ℃ to obtain the inorganic core sand with the recovered function.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210669853.9A CN114985675A (en) | 2022-06-14 | 2022-06-14 | Reaction device for recycling inorganic core sand water supplement and recycling method |
| DE212022000104.4U DE212022000104U1 (en) | 2022-06-14 | 2022-10-28 | Reaction device for refilling inorganic core sand with water for reuse |
| PCT/CN2022/128173 WO2023240888A1 (en) | 2022-06-14 | 2022-10-28 | Reaction device for water replenishing and reusing of inorganic core sand and reusing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210669853.9A CN114985675A (en) | 2022-06-14 | 2022-06-14 | Reaction device for recycling inorganic core sand water supplement and recycling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114985675A true CN114985675A (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210669853.9A Pending CN114985675A (en) | 2022-06-14 | 2022-06-14 | Reaction device for recycling inorganic core sand water supplement and recycling method |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN114985675A (en) |
| DE (1) | DE212022000104U1 (en) |
| WO (1) | WO2023240888A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023240888A1 (en) * | 2022-06-14 | 2023-12-21 | 苏州明志科技股份有限公司 | Reaction device for water replenishing and reusing of inorganic core sand and reusing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1218799C (en) * | 1999-12-30 | 2005-09-14 | 李江平 | Used sand regenerating machine |
| JP6445334B2 (en) * | 2015-01-14 | 2018-12-26 | 旭有機材株式会社 | Recycling of recovered foundry sand |
| CN205085344U (en) * | 2015-10-30 | 2016-03-16 | 河南省西峡汽车水泵股份有限公司 | Cooling device is retrieved to casting old sand |
| WO2020093337A1 (en) * | 2018-11-08 | 2020-05-14 | 苏州明志科技有限公司 | Humidification device and humidification method used for core-manufacturing machine |
| CN114985675A (en) * | 2022-06-14 | 2022-09-02 | 苏州明志科技股份有限公司 | Reaction device for recycling inorganic core sand water supplement and recycling method |
-
2022
- 2022-06-14 CN CN202210669853.9A patent/CN114985675A/en active Pending
- 2022-10-28 WO PCT/CN2022/128173 patent/WO2023240888A1/en unknown
- 2022-10-28 DE DE212022000104.4U patent/DE212022000104U1/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023240888A1 (en) * | 2022-06-14 | 2023-12-21 | 苏州明志科技股份有限公司 | Reaction device for water replenishing and reusing of inorganic core sand and reusing method |
Also Published As
| Publication number | Publication date |
|---|---|
| DE212022000104U1 (en) | 2023-07-28 |
| WO2023240888A1 (en) | 2023-12-21 |
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