Method for recycling waste porcelain

Abstract

The invention relates to the technical field of waste porcelain recovery, in particular to a method for recycling waste porcelain, which comprises the following steps: crushing and grinding pretreated waste porcelain into porcelain powder, adding water to prepare ore pulp, and then adding a collecting agent and a foaming agent for flotation to obtain glaze; the glaze glossiness is detected through image acquisition equipment, and whether glaze flotation treatment reaches the standard or not is judged. And carrying out filter pressing, dehydration and low-temperature drying treatment on the glaze reaching the standard in the flotation treatment to obtain the dried glaze, and obtaining the particle uniformity index, the flowability and the suspension property of the dried glaze by using equipment. Preliminarily judging whether the treatment reaches the standard or not according to the particle uniformity index, and checking the treatment effect by liquidity; and determining the cause of substandard treatment according to the suspension property. Through glaze purity improvement, particle uniformity control and suspension stability dynamic feedback adjustment equipment, the problem of low purity of glaze recovered from waste porcelain is solved.

Description

Technical Field

[0001] This invention relates to the field of waste porcelain recycling technology, and in particular to a method for recycling and utilizing waste porcelain. Background Technology

[0002] With the rapid development of the ceramics industry, the amount of waste ceramics generated has increased dramatically year by year. Most of this waste ceramics are disposed of by landfill, which not only occupies a large amount of land, but also poses long-term environmental risks to soil and groundwater due to the non-degradable nature of ceramics. At the same time, waste ceramics are rich in reusable minerals such as feldspar, quartz, and kaolin, and direct landfilling leads to a serious waste of non-renewable resources.

[0003] Existing methods for recycling waste porcelain often involve simply crushing it and then directly mixing it with new materials. This fails to effectively separate the glaze and body components from the waste porcelain, resulting in high impurity content in the recycled raw materials. This affects the gloss, strength, and other properties of subsequent ceramic products. Furthermore, the crushed particles have uneven particle size distribution, poor flowability, and poor suspension, leading to poor dispersion during the forming and glazing processes and significant fluctuations in product quality.

[0004] Furthermore, existing flotation processes, as a key step in separating glazes, often suffer from incomplete separation of glaze particles due to insufficient grinding mesh size, or due to improper use of collectors, frothers, and microbubble parameters. At the same time, the lack of dynamic monitoring and feedback adjustment of indicators such as the gloss and particle uniformity of the glaze after flotation makes it impossible to optimize process parameters such as grinding and flotation in a timely manner, resulting in unstable quality of recovered glazes that are difficult to meet the stringent performance requirements of industrial production. Summary of the Invention

[0005] Therefore, the present invention provides a method for recycling waste porcelain to overcome the problem of low glaze purity in the recycling of waste porcelain in the prior art.

[0006] To achieve the above objectives, the present invention provides a method for recycling waste ceramics, comprising: Step S1: Place the pre-treated waste porcelain into a crusher and crush it to a preset particle size to obtain waste porcelain particles; Step S2: The waste ceramic particles are fed into a ball mill, a grinding aid is added, and the particles are ground to a preset mesh size to obtain ceramic powder. Step S3: Mix the ceramic powder with water at a mass ratio of 1:4 to form a uniform slurry, and feed it into the stirring section of the flotation machine. Add the collector and frother in sequence and stir for 10 to 15 minutes to obtain a ceramic slurry mixture. Step S4: The ceramic slurry mixture is foamed using a microbubble generator of a flotation machine, and the foam layer is continuously scraped off using a foam scraping device to obtain glaze. Step S5: Obtain the gloss of the glaze using an image acquisition device, and determine whether the flotation treatment of the glaze meets the preset standard based on the gloss of the glaze. Step S6: The glaze is subjected to pressure filtration, dehydration, and low-temperature drying to obtain a dried glaze. Step S7: Obtain the particle uniformity index, flowability, and suspension properties of the dried glaze using particle size analysis equipment, flowability testing equipment, and suspension testing equipment. Step S8: Based on the particle uniformity index, preliminarily determine whether the waste porcelain recycling process meets the preset standards; based on the fluidity of the glaze, verify whether the waste porcelain recycling process meets the preset standards; and based on the suspension of the glaze, determine the reasons why the waste porcelain recycling process does not meet the preset standards.

[0007] Furthermore, the flotation treatment of the glaze is determined based on the gloss level to determine whether it meets a preset standard. If the gloss is less than the preset gloss threshold, it is determined that the flotation treatment of the glaze does not meet the preset standard, and the grinding mesh of the next batch is increased according to the difference between the preset gloss threshold and the gloss. If the gloss is greater than or equal to a preset gloss threshold, then the flotation treatment of the glaze is determined to meet the preset standard.

[0008] Furthermore, the increase in the grinding mesh size of the next batch is positively correlated with the difference between the preset gloss threshold and the gloss.

[0009] Furthermore, the particle uniformity index is the ratio of the standard deviation of the particle size of the dried glaze to the average particle size of the dried glaze.

[0010] Furthermore, based on the particle uniformity index of the glaze, a preliminary judgment is made as to whether the recycling and processing of waste porcelain meets the preset standards. If the particle uniformity index is less than the first preset particle uniformity index threshold, then the waste porcelain recycling process is determined to meet the preset standard. If the particle uniformity index is greater than or equal to the first preset particle uniformity index threshold and less than the second preset particle uniformity index threshold, it is preliminarily determined that the waste porcelain recycling process does not meet the preset standard, and the waste porcelain recycling process is verified according to the fluidity of the glaze. If the particle uniformity index is greater than or equal to the second preset particle uniformity index threshold, it is determined that the waste porcelain recycling process does not meet the preset standard, and the reason for the waste porcelain recycling process not meeting the preset standard is determined based on the suspension of the glaze.

[0011] Furthermore, the fluidity of the glaze is used to verify whether the waste porcelain recycling process meets preset standards. If the fluidity is less than the preset fluidity threshold, the waste ceramic recycling process is found to be non-compliant with the preset standard, and the dehydration intensity of the next batch is reduced based on the difference between the preset fluidity threshold and the fluidity. If the fluidity is greater than or equal to a preset fluidity threshold, then the waste ceramic recycling process is verified to meet the preset standard.

[0012] Furthermore, the reduction in the dehydration intensity of the next batch is positively correlated with the difference between the preset flowability threshold and the flowability.

[0013] Furthermore, the reasons why the waste porcelain recycling process does not meet the preset standards are determined based on the suspension properties of the glaze. If the suspension is less than the preset suspension threshold, it is determined that the reason why the waste ceramic recycling process does not meet the preset standard is that the microbubble generator has a large air volume, and the air volume of the microbubble generator in the next batch is reduced according to the difference between the preset suspension threshold and the suspension. If the suspension is greater than or equal to the preset suspension threshold, it is determined that the reason why the waste ceramic recycling process does not meet the preset standard is that the stirring intensity of the flotation process is insufficient, and the stirring intensity of the next batch of flotation process is increased according to the difference between the suspension and the preset suspension threshold.

[0014] Furthermore, the reduction in the inflation volume of the microbubble generator in the next batch is positively correlated with the difference between the preset levitation threshold and the levitation.

[0015] Furthermore, the increase in stirring intensity of the next batch of flotation treatment is positively correlated with the difference between the suspension and the preset suspension threshold.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention solves the pain points of unstable quality, poor process adaptability and high environmental pressure in waste porcelain recycling through four core innovations: improved glaze purity, controlled particle uniformity, stable suspension and dynamic feedback throughout the process. It provides an efficient, low-cost and replicable technical solution for the resource utilization of waste porcelain.

[0017] This invention utilizes a flotation process combined with the precise addition of collectors and frothers to achieve selective separation by taking advantage of the difference in hydrophobicity between the glaze and the body surface, thereby improving the purity of the extracted glaze. Furthermore, this method uses real-time gloss detection and feedback adjustment: if the gloss is lower than the preset threshold, the mesh size of the next batch of powder is automatically increased to ensure that the glaze particles are fully dissociated, avoid incomplete separation due to excessively large particles, and reduce the impurity content in the recycled glaze.

[0018] Furthermore, the coefficient of variation of the dried glaze is calculated using particle size analysis equipment, and a dual-threshold grading standard is set to ensure a concentrated particle size distribution.

[0019] Furthermore, through dynamic flowability verification and adjustment: if the flowability is lower than the preset threshold, the dehydration intensity of the next batch is automatically reduced to prevent excessive dehydration from causing particle caking, thereby improving the flowability of glaze particles and meeting the requirements of automated glazing equipment for raw material flowability.

[0020] Furthermore, the reasons for non-compliance are identified through suspension detection equipment: if the suspension is low due to excessive microbubble aeration, the aeration amount for the next batch is automatically reduced; if the flotation stirring intensity is insufficient, the stirring speed is automatically increased to ensure uniform dispersion of bubbles.

[0021] Furthermore, the glaze is dried at a low temperature to avoid the agglomeration of glaze particles caused by high temperatures, thus giving the glaze a more stable suspension. Attached Figure Description

[0022] Figure 1 This is a flowchart illustrating a method for recycling waste porcelain according to an embodiment of the present invention. Figure 2 This is a flowchart illustrating the process of determining whether the flotation treatment of the glaze meets a preset standard based on the gloss level, as described in this embodiment of the invention. Figure 3 This is a flowchart illustrating the process of determining whether waste ceramic recycling meets preset standards based on the particle uniformity index, as described in this embodiment of the invention. Figure 4 This is a flowchart illustrating the process of verifying whether the recycling and processing of waste ceramics conforms to preset standards based on the described fluidity, as per an embodiment of the present invention. Figure 5 This is a flowchart illustrating the process by which the reasons for non-compliance of the waste porcelain recycling process with preset standards are determined based on the suspension properties of the glaze, according to an embodiment of the present invention. Detailed Implementation

[0023] To make the objectives and advantages of the present invention clearer, the present invention will be further described below with reference to embodiments; it should be understood that the specific embodiments described herein are merely for explaining the present invention and are not intended to limit the present invention.

[0024] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0025] Please see Figure 1-5The following are flowcharts illustrating a method for recycling waste porcelain according to an embodiment of the present invention: a flowchart for determining whether the flotation treatment of the glaze meets a preset standard based on the gloss level; a flowchart for determining whether the waste porcelain recycling process meets a preset standard based on the particle uniformity index; a flowchart for verifying whether the waste porcelain recycling process meets a preset standard based on the flowability; and a flowchart for determining the reasons why the waste porcelain recycling process does not meet a preset standard based on the suspension properties of the glaze.

[0026] An embodiment of the present invention provides a method for recycling waste porcelain, comprising: Step S1: Place the pre-treated waste porcelain into a crusher and crush it to a preset particle size to obtain waste porcelain particles; Step S2: The waste ceramic particles are fed into a ball mill, a grinding aid is added, and the particles are ground to a preset mesh size to obtain ceramic powder. Step S3: Mix the ceramic powder with water at a mass ratio of 1:4 to form a uniform slurry, and feed it into the stirring section of the flotation machine. Add the collector and frother in sequence and stir for 10 to 15 minutes to obtain a ceramic slurry mixture. Step S4: The ceramic slurry mixture is foamed using a microbubble generator of a flotation machine, and the foam layer is continuously scraped off using a foam scraping device to obtain glaze. Step S5: Obtain the gloss of the glaze using an image acquisition device, and determine whether the flotation treatment of the glaze meets the preset standard based on the gloss of the glaze. Step S6: The glaze is subjected to pressure filtration, dehydration, and low-temperature drying to obtain a dried glaze. Step S7: Obtain the particle uniformity index, flowability, and suspension properties of the dried glaze using particle size analysis equipment, flowability testing equipment, and suspension testing equipment. Step S8: Based on the particle uniformity index, preliminarily determine whether the waste porcelain recycling process meets the preset standards; based on the fluidity of the glaze, verify whether the waste porcelain recycling process meets the preset standards; and based on the suspension of the glaze, determine the reasons why the waste porcelain recycling process does not meet the preset standards.

[0027] Specifically, the pretreatment includes manually sorting the waste porcelain to remove non-porcelain impurities such as metal, plastic, and stones. Then, a high-pressure water gun is used to clean the surface of the sorted waste porcelain to remove attached mud, oil, and other contaminants. Finally, the cleaned waste porcelain is placed in a ventilated and dry place to remove surface moisture and prevent the waste porcelain particles from sticking together due to moisture during the subsequent crushing process.

[0028] Specifically, the preset particle size is set to 5-10 mm to ensure that the waste ceramic particles are uniformly stressed and that grinding efficiency is improved in the subsequent ball milling process; the preset mesh size is set to 300-400 mesh. This mesh size range ensures good dispersibility when mixed with water and provides a suitable specific surface area for effective separation of target components in the subsequent flotation process. In practice, the preset particle size and mesh size can be fine-tuned within ±10% depending on the original hardness of the waste ceramic and the subsequent glaze application scenario to optimize the overall process economy and product quality stability.

[0029] Specifically, the particle size analysis equipment uses a laser particle size analyzer, the flowability testing equipment uses a rotational viscometer, and the suspension testing equipment uses the specific gravity bottle method. The laser particle size analyzer, by analyzing the scattered light from the dry glaze particles, can accurately measure the particle size distribution and calculate the particle uniformity index. The rotational viscometer characterizes the flowability by measuring the viscosity change of the glaze at different rotation speeds; a lower viscosity value indicates better flowability. The specific gravity bottle method involves mixing a certain amount of dry glaze with water, measuring the density change of the mixture, and combining this with the mass of the glaze to calculate the suspension rate, thus assessing its suspension properties. The combined use of these testing devices can comprehensively reflect the physical characteristics of the dry glaze from multiple dimensions, providing reliable data support for subsequent judgments on whether the waste porcelain recycling process meets preset standards. During actual testing, it is necessary to strictly follow the equipment operating procedures and ensure that the temperature, humidity, and other conditions of the testing environment meet the requirements to reduce the interference of external factors on the test results. Simultaneously, the test data should be repeatedly measured, and the average value should be taken as the final result to improve the accuracy and reliability of the data.

[0030] Specifically, the gloss of the glaze is used to determine whether the flotation treatment of the glaze meets a preset standard. The preset gloss threshold is set at 75-85 GU, a range based on the conventional gloss requirements for mid-to-high-end glazes in the ceramic industry. This threshold can be adjusted by ±10 gloss units according to the performance requirements of the target product (e.g., matte or glossy glazes). During detection, a high-precision industrial camera is used with a ring LED light source to photograph the glaze surface from a 45° angle. The optical signal is converted into a gloss value using an image grayscale analysis algorithm. The detection frequency is set to sample three times per batch of glaze, and the average value is used as the final gloss determination basis to reduce random errors in a single detection. If the gloss values ​​of three consecutive batches are within the preset threshold range, the system automatically saves the current grinding mesh size, collector dosage, and other process parameters as an optimal parameter template for subsequent recycling of similar waste ceramics, improving process stability.

[0031] If the gloss is less than the preset gloss threshold, it is determined that the flotation treatment of the glaze does not meet the preset standard, and the grinding mesh of the next batch is increased according to the difference between the preset gloss threshold and the gloss. If the gloss is greater than or equal to a preset gloss threshold, then the flotation treatment of the glaze is determined to meet the preset standard.

[0032] Specifically, the increase in the mesh size of the next batch of powder is positively correlated with the difference between the preset gloss threshold and the gloss.

[0033] Specifically, the particle uniformity index of the glaze is the ratio of the standard deviation of the particle size of the dried glaze to the average particle size of the dried glaze.

[0034] Specifically, the particle uniformity index of the glaze is used to initially determine whether the waste porcelain recycling process meets the preset standards. The first preset particle uniformity index threshold is set to 0.15, and the second preset particle uniformity index threshold is set to 0.25. When the particle uniformity index is less than 0.15, it indicates that the particle size distribution of the dried glaze is highly concentrated, meeting the stringent requirements for raw material uniformity in precision ceramic products. When the particle uniformity index is between 0.15 and 0.25, although there are some fluctuations in particle size distribution, it can still be used for the production of low- to mid-range ceramic products through fine-tuning of subsequent process parameters. When the particle uniformity index is greater than 0.25, it indicates significant differences in particle size, which can easily lead to defects such as uneven shrinkage and cracking during firing, requiring a return to step S2 for re-ball milling. In practical applications, the first and second preset particle uniformity index thresholds can be dynamically adjusted according to the source of the waste porcelain raw materials and the target use of the recycled glaze. For example, for glazes used in special ceramics, the first threshold can be adjusted accordingly to further improve the precision of particle uniformity control.

[0035] If the particle uniformity index is less than the first preset particle uniformity index threshold, then the waste porcelain recycling process is determined to meet the preset standard. If the particle uniformity index is greater than or equal to the first preset particle uniformity index threshold and less than the second preset particle uniformity index threshold, it is preliminarily determined that the waste porcelain recycling process does not meet the preset standard, and the waste porcelain recycling process is verified according to the fluidity of the glaze. If the particle uniformity index is greater than or equal to the second preset particle uniformity index threshold, it is determined that the waste porcelain recycling process does not meet the preset standard, and the reason for the waste porcelain recycling process not meeting the preset standard is determined based on the suspension of the glaze.

[0036] Specifically, the flowability of the glaze is used to verify whether the recycling and treatment of waste ceramics meets preset standards. The preset flowability threshold is set at 40 Pa·s. This threshold references the typical flowability requirements of automated glazing equipment in the ceramic industry. When the glaze viscosity is within this range, it ensures smooth transport through pipelines while also forming a uniform coating thickness during glazing. In actual production, the threshold can be adjusted according to different glazing methods: for example, spray glazing requires a lower viscosity to reduce the risk of nozzle clogging, while dipping glazing can be appropriately increased to 50 Pa·s to avoid excessive glaze loss. During testing, the dried glaze and deionized water are mixed at a mass ratio of 1:1.2 and stirred for 30 minutes to form a glaze slurry. The slurry is then left to stand in a constant temperature water bath at 25±1℃ for 10 minutes before viscosity measurement to ensure the comparability of the test results.

[0037] If the fluidity is less than the preset fluidity threshold, the waste ceramic recycling process is found to be non-compliant with the preset standard, and the dehydration intensity of the next batch is reduced based on the difference between the preset fluidity threshold and the fluidity. If the fluidity is greater than or equal to a preset fluidity threshold, then the waste ceramic recycling process is verified to meet the preset standard.

[0038] Specifically, the reduction in dehydration intensity of the next batch is positively correlated with the difference between the preset flowability threshold and the flowability. It is understood that this positive correlation can be linear or nonlinear, and is not specifically limited. The slope of a linear positive correlation is also not specifically limited and can be set according to the actual preparation conditions. The only requirement is that the larger the difference between the preset flowability threshold and the flowability, the greater the reduction in dehydration intensity of the next batch. For example, if the reduction in dehydration intensity of the next batch is set to ΔM, and the difference between the preset flowability threshold and the flowability is set to Δμ, then ΔM = γ × (Δμ + μ0), where γ is the dehydration intensity adjustment coefficient, set to 1.06, and μ0 is a constant.

[0039] Specifically, the reasons why the waste porcelain recycling process does not meet the preset standards are determined based on the suspension properties of the glaze. The preset suspension threshold is set at 90%, which comprehensively considers the suspension stability requirements of the glaze during the glazing process, ensuring that the glaze does not easily settle and stratify during storage and use, thereby guaranteeing the uniformity of the glazing quality. During testing, dried glaze is mixed with water in a specific ratio to prepare a glaze slurry, poured into a graduated measuring cylinder, and allowed to stand at a constant temperature of 25°C for 60 minutes. The ratio of the height of the upper clear liquid to the total height of the glaze slurry is then measured to calculate the suspension rate.

[0040] If the suspension is less than the preset suspension threshold, it is determined that the reason why the waste ceramic recycling process does not meet the preset standard is that the microbubble generator has a large air volume, and the air volume of the microbubble generator in the next batch is reduced according to the difference between the preset suspension threshold and the suspension. If the suspension is greater than or equal to the preset suspension threshold, it is determined that the reason why the waste ceramic recycling process does not meet the preset standard is that the stirring intensity of the flotation process is insufficient, and the stirring intensity of the next batch of flotation process is increased according to the difference between the suspension and the preset suspension threshold.

[0041] Specifically, the reduction in the inflation volume of the next batch of microbubble generators is positively correlated with the difference between the preset levitation threshold and the levitation value. This positive correlation is understood to be the same as the positive correlation explained above.

[0042] Specifically, the increase in stirring intensity for the next batch of flotation is positively correlated with the difference between the suspended matter and the preset suspended matter threshold. This positive correlation is understood to be the same as the positive correlation explained above.

[0043] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the scope of protection of the present invention.

[0044] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A method for recycling waste porcelain, characterized by, include: Step S1: Place the pre-treated waste porcelain into a crusher and crush it to a preset particle size to obtain waste porcelain particles; Step S2: The waste ceramic particles are fed into a ball mill, a grinding aid is added, and the particles are ground to a preset mesh size to obtain ceramic powder. Step S3: Mix the ceramic powder with water at a mass ratio of 1:4 to form a uniform slurry, and feed it into the stirring section of the flotation machine. Add the collector and frother in sequence and stir for 10 to 15 minutes to obtain a ceramic slurry mixture. Step S4: The ceramic slurry mixture is foamed using a microbubble generator of a flotation machine, and the foam layer is continuously scraped off using a foam scraping device to obtain glaze. Step S5: Obtain the gloss of the glaze using an image acquisition device, and determine whether the flotation treatment of the glaze meets the preset standard based on the gloss of the glaze. Step S6: The glaze is subjected to pressure filtration, dehydration, and low-temperature drying to obtain a dried glaze. Step S7: Obtain the particle uniformity index, flowability, and suspension properties of the dried glaze using particle size analysis equipment, flowability testing equipment, and suspension testing equipment. Step S8: Based on the particle uniformity index, preliminarily determine whether the waste porcelain recycling process meets the preset standards; based on the fluidity of the glaze, verify whether the waste porcelain recycling process meets the preset standards; and based on the suspension of the glaze, determine the reasons why the waste porcelain recycling process does not meet the preset standards.

2. The method for recycling waste porcelain according to claim 1, characterized in that, The gloss of the glaze is used to determine whether the flotation treatment of the glaze meets the preset standard. If the gloss is less than the preset gloss threshold, it is determined that the flotation treatment of the glaze does not meet the preset standard, and the grinding mesh of the next batch is increased according to the difference between the preset gloss threshold and the gloss. If the gloss is greater than or equal to a preset gloss threshold, then the flotation treatment of the glaze is determined to meet the preset standard.

3. The method for recycling waste porcelain according to claim 2, characterized in that, The increase in the grinding mesh size of the next batch is positively correlated with the difference between the preset gloss threshold and the gloss.

4. The method for recycling waste porcelain according to claim 3, characterized in that, The particle uniformity index of the glaze is the ratio of the standard deviation of the particle size of the dried glaze to the average particle size of the dried glaze.

5. The method for recycling waste porcelain according to claim 4, characterized in that, Based on the particle uniformity index of the glaze, a preliminary judgment can be made as to whether the recycling and processing of waste porcelain meets the preset standards. If the particle uniformity index is less than the first preset particle uniformity index threshold, then the waste porcelain recycling process is determined to meet the preset standard. If the particle uniformity index is greater than or equal to the first preset particle uniformity index threshold and less than the second preset particle uniformity index threshold, it is preliminarily determined that the waste porcelain recycling process does not meet the preset standard, and the waste porcelain recycling process is verified according to the fluidity of the glaze. If the particle uniformity index is greater than or equal to the second preset particle uniformity index threshold, it is determined that the waste porcelain recycling process does not meet the preset standard, and the reason for the waste porcelain recycling process not meeting the preset standard is determined based on the suspension of the glaze.

6. The method for recycling waste porcelain according to claim 5, characterized in that, The fluidity of the glaze is used to verify whether the waste porcelain recycling process meets the preset standards. If the fluidity is less than the preset fluidity threshold, the waste ceramic recycling process is found to be non-compliant with the preset standard, and the dehydration intensity of the next batch is reduced based on the difference between the preset fluidity threshold and the fluidity. If the fluidity is greater than or equal to a preset fluidity threshold, then the waste ceramic recycling process is verified to meet the preset standard.

7. The method for recycling waste porcelain according to claim 6, characterized in that, The reduction in dehydration intensity in the next batch is positively correlated with the difference between the preset flowability threshold and the flowability.

8. The method for recycling waste porcelain according to claim 7, characterized in that, The reasons why the waste porcelain recycling process does not meet the preset standards are determined based on the suspension properties of the glaze. If the suspension is less than the preset suspension threshold, it is determined that the reason why the waste ceramic recycling process does not meet the preset standard is that the microbubble generator has a large air volume, and the air volume of the microbubble generator in the next batch is reduced according to the difference between the preset suspension threshold and the suspension. If the suspension is greater than or equal to the preset suspension threshold, it is determined that the reason why the waste ceramic recycling process does not meet the preset standard is that the stirring intensity of the flotation process is insufficient, and the stirring intensity of the next batch of flotation process is increased according to the difference between the suspension and the preset suspension threshold.

9. The method for recycling waste porcelain according to claim 8, characterized in that, The reduction in the inflation volume of the microbubble generator in the next batch is positively correlated with the difference between the preset levitation threshold and the levitation value.

10. The method for recycling waste porcelain according to claim 9, characterized in that, The increase in stirring intensity in the next batch of flotation treatment is positively correlated with the difference between the suspension and the preset suspension threshold.

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