544 results about "Quartz crucible" patented technology

The invention relates to the technical field of quartz crucible tools, in particular to a quartz crucible outer contour dimension detection tool which comprises a base, a fixing mechanism and an adjusting mechanism, a laser detector is arranged on the base, a movable disc is movably arranged on the base, a fixing shaft is fixedly arranged on the movable disc, and the quartz crucible outer contour dimension detection tool further comprises the fixing mechanism and the adjusting mechanism. The quartz crucible is centered and fixed on the base through synchronous movement of the fixing mechanism, it is ensured that the crucible is kept at the center position in the detection process, deviation or rotation is reduced, and therefore the measurement error is reduced, the position of the abutting block is adjusted through the adjusting mechanism according to the size of the inner wall of the quartz crucible, and it is ensured that the detection tool can adapt to quartz crucibles of different specifications. When the size of the quartz crucible changes, the detection tool is ensured to be always in close contact with the inner wall of the quartz crucible, and effective fixing and supporting are realized.

The invention belongs to the technical field of crucible coating optimization, and relates to an intelligent coating optimization method for quartz crucible surface treatment. According to the method, coating material data, surface treatment environment data, coating process data and performance test data are collected, the performance test data serve as a real result label of a training set, denoising, missing value processing and normalization are carried out on the collected data, and through a Pearson's correlation coefficient and a principal component analysis method, the coating material data, the surface treatment environment data, the coating process data and the performance test data are obtained. According to the method, a group of key features are screened out, data dimensions are reduced, main information influencing the coating performance is reserved, a deep neural network model is trained, the coating performance is predicted through the model, and coating process parameters are optimized by adopting a particle swarm optimization algorithm based on the predicted coating performance, so that the coating performance is optimized. According to the method, the optimal parameter combination can be effectively searched, blindness and high cost of a traditional optimization method are avoided, a closed-loop intelligent coating optimization process is formed, and the optimization efficiency and performance of the coating process are remarkably improved.

The invention discloses a method for preparing ultra-high-purity quartz by multi-stage synergistic purification of quartz ore, and belongs to the technical field of ultra-high-purity quartz preparation. According to the method, natural quartz ore is used as a raw material, mineral impurities, lattice impurities and inclusions in quartz are deeply removed through multi-stage synergistic processes such as low-temperature plasma activation, biological leaching, supercritical CO2-assisted acid leaching, microwave-assisted chloridizing roasting and pulsed electric field enhanced acid leaching, and finally a high-purity quartz product with the SiO2 purity larger than or equal to 99.998% (4N8 grade) is obtained. According to the invention, a low-temperature plasma activation technology, microbial metallurgy, supercritical fluid extraction and a pulsed electric field strengthening technology are organically combined, so that the energy efficiency bottleneck and environmental protection limitation of a traditional high-purity quartz preparation process are broken through; the obtained quartz sand product can reach the standards of high-purity quartz sand for semiconductor quartz glass and high-purity quartz sand for photovoltaic quartz crucibles.

The invention provides a quartz crucible grinding device and method, and relates to the technical field of quartz crucible grinding. The quartz crucible grinding device comprises a grinding frame and a grinding mechanism arranged on the grinding frame; a rotating rod is arranged on the grinding frame, a connecting block is fixedly connected to the rotating rod, a sliding groove is formed in the connecting block, a clamping plate is slidably connected to the connecting block, the clamping plate is slidably connected into the sliding groove, a sliding block is slidably connected to the clamping plate, and an abutting roller is rotatably connected to the sliding block. The abutting roller is used for abutting against the outer side wall of the quartz crucible. By means of the quartz crucible polishing device, damage to the quartz crucible can be reduced when the quartz crucible is polished.

The invention discloses a global scanning image splicing and defect positioning system for an ultra-large-diameter quartz crucible, and relates to the technical field of quartz crucibles, and the system comprises a scanning control module which constructs a fusion model through multiple sensors, evaluates a risk coefficient, obtains the fusion model, dynamically plans a multi-arm path of a robot based on reinforcement learning, and sends the multi-arm path of the robot; adaptively adjusting the acquisition frequency of the corresponding area based on the risk coefficient, and outputting multi-modal data through a multi-round feedback iteration optimization acquisition process; the image splicing module is used for acquiring multi-modal data for local splicing, and generating a panoramic image in combination with a multi-arm path of the robot; the defect positioning module is used for constructing a quartz crucible model through the panoramic image, detecting defects in a layered manner by utilizing a YOLOv5 model, tracking the defects through extended state Kalman filtering, quantifying the defect volume and the hazard level by combining point cloud semantic segmentation, and performing 3D positioning and evaluation on the defects; the output data is ensured to always meet the subsequent image splicing and defect positioning requirements, and the system stability is guaranteed.

The invention provides a corrosion-resistant and high-temperature-resistant composite quartz crucible and a preparation method thereof. The quartz crucible sequentially comprises the following laminated layers in parts by weight from inside to outside: 50-100 parts of an inner layer, 200-400 parts of a transition layer, 150-250 parts of a reinforcing layer and 40-80 parts of an outer layer, the preparation method comprises the following steps: forming layer by layer: sequentially adding inner-layer slurry, transition-layer powder, a reinforcement-layer prefabricated member and outer-layer slurry into a mold for forming; gradient drying is conducted, specifically, the formed crucible blank is put into a drying box to be subjected to gradient drying; and step-by-step sintering: putting the dried crucible blank into a high-temperature sintering furnace, carrying out step-by-step sintering, and cooling and demolding to obtain a crucible product. A composite protection system is designed and constructed through four layers of functionally graded materials, the prepared composite quartz crucible has excellent high temperature resistance, corrosion resistance and structural stability and can be applied to large-size semiconductor single crystal furnaces, and the engineering advantage of the preparation process is remarkable.

The utility model relates to the technical field of quartz crucible surface quality automatic detection, and discloses a crucible clamp which comprises a clamp and a crucible, and the crucible can be arranged under the clamp. The clamp comprises a supporting clamping jaw assembly, a driving clamping jaw assembly, a vacuum suction cup, a linear guide rail, a servo electric cylinder and a connecting flange, a feeding station is arranged at the bottom of the crucible, a robot is connected to the top of the clamp, and a visual inspection device a and a visual inspection device b are arranged on the left side and the right side of the robot correspondingly; a discharging station is arranged on the outer side of the robot. According to the crucible clamp, the crucible is grabbed from the conveying line through the robot and the crucible clamp, the crucible is conveyed to a detection area of visual detection equipment, the robot and the crucible clamp are used for clamping a workpiece, and various complex motions such as rotation, horizontal movement, up-down movement and front-back movement of the crucible are controlled in cooperation with a track required by visual detection; and comprehensive visual inspection is carried out on the crucible, so that the detection quality and efficiency can be greatly improved.

The invention relates to a quartz crucible coating and a preparation method thereof.The coating is of a double-layer composite structure and comprises a substrate layer and a functional layer, the substrate layer is composed of 40-65 vol% of polycrystalline silicon powder (the particle size D50 ranges from 1 micrometer to 5 micrometers) and 35-60 vol% of nanometer silica sol, and the functional layer covers the surface of the substrate layer and is composed of 50-70 vol% of polycrystalline silicon powder, 20-35 vol% of nanometer silica sol and 5-15 vol% of calcium fluoride powder (the particle size D90 is smaller than 0.5 micrometer). The preparation method comprises the following steps: preparing a substrate layer slurry and a functional layer slurry, sequentially coating the inner wall of a crucible with the slurry, drying, and sintering in an inert atmosphere according to a three-step temperature control program to finally form a coating with the thickness of 180-300 microns and the porosity of 8-15 vol%; the coating structure can avoid pollution of silicon nitride or silicon carbide particles, has excellent demolding performance, thermal stability and adhesive force, further improves the service life of a crucible and the purity of a silicon ingot, and meets the requirements of an advanced semiconductor process for cleanliness and reliability.

The invention discloses an intelligent visual full-inspection system for delivery quality of a quartz crucible, and belongs to a quartz crucible quality inspection technology. The method comprises the following steps: acquiring a two-dimensional surface image and a two-dimensional layered image of a crucible through first equipment and second equipment; the data acquisition unit acquires the data and is used for providing data basis for the defect detection unit and the microbubble detection unit. The defect detection unit needs to detect a plurality of defect categories, so that the defect detection model is constructed according to an improved YOLOv11 model; the bubble detection model of the microbubble detection unit can detect only one type of defects, and the bubble detection model is constructed according to a YOLOv11 model. Therefore, the overall overhead of the system is reduced while the detection precision is guaranteed. The transparent layer bubble detection unit eliminates repeatedly counted bubbles through similar bubble fusion, so that the reliability of the number of the bubbles is guaranteed; the visual unit fuses physical parameters and visual data, and provides reliable basis for crucible quality evaluation.

The invention relates to the technical field of quartz crucibles, and particularly discloses a melting method for reducing microbubbles on the inner surface layer of a quartz crucible. The arc vacuum melting in the melting method disclosed by the invention comprises the following steps of: rising a heat shielding plate to a position which is 350-450mm away from the upper edge of a mold, and melting the inner surface of a crucible for 45-75s by utilizing a high current which is more than 5000A; then moving down the heat shielding plate, keeping the current unchanged, and melting; the heat shielding plate is lifted, the current is adjusted to be 2200-2500 A, and a transparent layer is formed through vacuum melting; stable melting: adjusting the current to be more than 5000A, and performing high-temperature evaporation; then, the current is adjusted to be reduced to 1800-2200 A, and low-temperature melting is conducted for 120-240 s; and repeating stable melting to obtain the quartz crucible to be demoulded. By means of the technical scheme, the number of microbubbles of the prepared quartz crucible is obviously reduced, the compression strength of the crucible is greatly improved, and the service life of the crucible is greatly prolonged.

The invention provides a novel quartz crucible which comprises a crucible wall and is characterized in that a protective layer surrounding the crucible wall is arranged on the outer side of at least one part of the crucible wall, and the protective layer is a transparent layer. Compared with an existing quartz crucible structure, the quartz crucible provided by the invention has the advantages that the transparent state layer with compactness is additionally arranged, so that the strength of the outermost layer of the quartz crucible can be improved, the reaction probability of the quartz crucible and a carbon crucible can be reduced, and the service life of the quartz crucible is prolonged. The invention further provides a manufacturing process for the quartz crucible, the thickness of each layer and the distribution condition of quartz sand in each layer are controlled by adjusting the vacuum condition and the melting temperature during melting, and a uniform and compact transparent protection layer is obtained on the outer wall surface of the crucible wall of the existing quartz crucible; the reaction probability of the outermost side of the quartz crucible and the carbon crucible is reduced to the maximum extent, the strength of the quartz crucible is improved, and the service life of the quartz crucible is prolonged.

The invention provides a quartz crucible performance detection method based on a high-temperature drawing process. The quartz crucible performance detection method comprises the following steps: S1, selecting a quartz crucible sample from a batch of prepared quartz crucibles; s2, sampling the quartz crucible sample to obtain a sample block to be experimented; s3, slicing the sample block along the longitudinal direction of the quartz crucible to obtain a first sample wafer, and photographing the first sample wafer to obtain microbubble data of the first sample wafer; s4, cleaning and drying the sliced sample blocks; s5, the dried sample blocks are heated and calcined, and heating and calcining parameters are designed according to parameters in the crystal pulling process; s6, slicing the calcined sample block along the longitudinal direction of the quartz crucible again to obtain a second sample wafer, and photographing the second sample wafer to obtain microbubble data of the second sample wafer; and S7, based on the microbubble data of the first sample wafer and the microbubble data of the second sample wafer, obtaining a performance detection result of the batch of quartz crucibles so as to improve the accuracy of crucible performance detection.

The invention provides a quartz crucible crushing device and method.The quartz crucible crushing device comprises a vibration platform, a clamping assembly and a knocking assembly, the vibration platform is used for placing a carbon-carbon crucible with a quartz crucible, the outer side wall of the carbon-carbon crucible is placed on the vibration platform, and the clamping assembly is used for clamping the carbon-carbon crucible; the clamping assemblies are oppositely arranged on the two sides of the vibration platform and used for clamping the carbon-carbon crucible, and the knocking assembly is arranged on the side, not provided with the clamping assemblies, of the vibration platform, can move along the inner side wall of the quartz crucible and is used for knocking the inner side wall of the quartz crucible. The automatic crushing device has the beneficial effects that automatic crushing of the quartz crucible is achieved in a knocking and vibrating mode, the crushing effect is guaranteed, the working intensity is reduced, potential safety hazards are reduced, the working efficiency is improved, damage to the carbon-carbon crucible is reduced, and the service life of the carbon-carbon crucible is prolonged.

The utility model discloses a crucible which comprises a quartz crucible body and a carbon-carbon crucible side, the quartz crucible body is arranged in a bowl body, adjacent to a silicon nitride layer, of the crucible side body, and the silicon nitride layer enables the quartz crucible body and the crucible side body to be arranged at an interval. When the silicon nitride layer is a silicon nitride paper layer, the distance between the upper edge of the silicon nitride paper layer and the upper edge of the quartz crucible body is L1, and L1 is larger than or equal to 50 mm. According to the crucible disclosed by the utility model, the silicon nitride layer is arranged between the quartz crucible body and the crucible edge body to separate the quartz crucible body from the crucible edge body, so that the reaction between the quartz crucible body and the crucible edge body can be avoided, no gas is generated, the abnormal conditions such as bulge and deformation of the crucible can be effectively avoided, and the crucible can be normally used.

The quartz crucible surface grinding equipment comprises a grinding table, two limiting rotating mechanisms, a first grinding mechanism and a second grinding mechanism, a supporting plate is arranged on the grinding table, a driving part is arranged on the supporting plate, one limiting rotating mechanism is connected with the output end of the driving part, and the other limiting rotating mechanism is connected with the output end of the driving part. The other limiting rotating mechanism is arranged on the grinding table through a supporting seat, and the two limiting rotating mechanisms are symmetrically arranged up and down; a first sliding table module is arranged on the grinding table, and a sliding plate is arranged on a sliding table of the first sliding table module; the first grinding mechanism is arranged on the sliding plate and located on one side of the limiting rotating mechanism, a second sliding table module is arranged on the grinding table, and a sliding frame is arranged on a sliding table of the second sliding table module; the second grinding mechanism is arranged on the sliding frame and located on the opposite side of the first grinding mechanism. Therefore, synchronous grinding of the inner wall and the outer wall of the crucible can be achieved, only one-time clamping is needed, and operation is convenient and fast. And the polishing range completely covers the inner wall, the outer wall and the bottom surface of the crucible, and the polishing efficiency is remarkably improved.

The invention provides a multi-melting-machine collaborative vacuumizing control system and control method, and belongs to the technical field of quartz crucible manufacturing, the multi-melting-machine collaborative vacuumizing control system comprises a main controller, a main vacuumizing assembly, a plurality of branch vacuumizing assemblies and a plurality of melting machines; the main vacuumizing assembly is connected with the multiple branch vacuumizing assemblies through the vacuum main pipeline, and the multiple branch vacuumizing assemblies are connected with the multiple melting machines in a one-to-one correspondence mode through the melting machine connecting vacuum pipes. The main vacuumizing assembly comprises a vacuum pump, a first pneumatic valve, a first proportional electromagnetic valve, a vacuum tank and a vacuum main valve which are connected in sequence; the branch vacuumizing assembly comprises a vacuum proportion regulating valve, a buffer tank and a vacuumizing valve which are connected in sequence; a vacuum tank is arranged, and the vacuum pressure in the vacuum tank is kept constant by controlling a first pneumatic valve and a first proportional electromagnetic valve; the buffer tanks are arranged on the branches, and the vacuum pressure in the buffer tanks is controlled by the vacuum proportioning valves to be kept constant, so that a stable vacuum system is formed in the melting process of the quartz crucible.

The invention discloses a double-layer composite quartz crucible surface defect detection method based on machine vision, and relates to the technical field of crucible surface defect detection, and the method comprises the following steps: a conveyor belt conveys double-layer composite quartz crucibles to a detection area at a preset speed to ensure that each crucible can move in sequence on a production line; and a detection visual field of a machine vision system is stably entered. According to the method, key features such as the microstructure change index and the crack interval variability index are extracted, so that a machine vision system can identify complex defects more accurately, and misjudgment and missing detection are avoided. According to the method, the detection precision of complex defects is improved by enhancing image processing. And in combination with a machine learning model, the system intelligently evaluates the defect complexity and dynamically adjusts the conveyor belt speed. For simple defects, the high speed is kept, so that the production rhythm is not influenced; for complex defects, the speed of the conveyor belt is reduced, and time is provided for detailed analysis, so that the defect recognition rate is improved, and the product quality is ensured while efficient production is ensured.

The invention belongs to the technical field of crucible deformation resistance prediction, and relates to a quartz crucible high-temperature deformation resistance rate prediction method based on machine learning. According to the method, key historical data are collected, and information such as aluminum alloy components, crucible physical attributes, using conditions and the deformation resistance rate is covered; through data preprocessing, the quality and consistency of a data set are ensured; through statistical methods such as Pearson's correlation coefficients, LASSO regression, principal component analysis and the like, features having significant influence on the anti-deformation rate are screened out, feature engineering is carried out to construct new interactive features, and the features can reflect the complex relation between the smelting conditions and the physical attributes of the crucible; the deep learning model is introduced, so that the prediction model can learn a deep mode in the data, and the prediction precision is remarkably improved; finally, the trained model can accurately predict the high-temperature deformation resistance rate of the quartz crucible according to real-time data, a scientific basis is provided for production decision making, and optimization of the production process and reduction of the cost are facilitated.

The utility model relates to the technical field of quartz crucible production related equipment, and discloses a quartz crucible mold convenient to demold, which comprises an upper mold and a lower mold, a connecting rod is arranged above the upper mold, through holes are respectively arranged between the front and rear side walls and the left and right side walls of the connecting rod, and the through holes are communicated with the upper mold and the lower mold. Vertical plates corresponding to the through holes are arranged above the lower die, and limiting rods are connected between the vertical plates and the corresponding through holes in an inserted mode. A second through hole is formed in the lower portion of the lower die, an electric telescopic rod is connected to the lower portion of the lower die, a horizontal plate is connected to the lower end of the electric telescopic rod, and an ejector rod inserted into the second through hole is arranged above the horizontal plate. A base is arranged below the lower die, a motor is arranged on the vertical side of the base, the output end of the motor is connected with a connecting piece, the lower die is connected with the connecting piece, and a spray head is arranged on the base. Compared with the prior art, the mold has the advantages that demolding is convenient, and residues are convenient to clean.

The utility model discloses angle-adjustable quartz crucible cleaning equipment which comprises a rack body, a first cavity and a second cavity located below the first cavity are formed in the rack body, a mounting plate is arranged in the first cavity, and a quartz crucible bracket is hinged to the mounting plate; a quartz crucible is fixed on the quartz crucible bracket, and an adjusting mechanism for adjusting the horizontal angle of the quartz crucible bracket is arranged in the second cavity. Compared with the prior art, workers do not need to watch beside the quartz crucible, operators do not need to manually discharge corrosion liquid medicine filled with the quartz crucible, the cleaning time is set and controlled by the central controller to be automatically completed, a large amount of labor is saved, and meanwhile casualties are avoided.

The invention provides a crucible bubble detection method and system based on a nano-robot and a storage medium, and relates to the technical field of quality detection.The method comprises the steps that a dynamic detection path is analyzed and positioned according to historical crucible detection data; and in the process that the motion driving module guides the nano robot to move on the surface of the quartz crucible to be detected by taking the dynamic detection path as a constraint, the intelligent decision-making module is synchronously operated to carry out bubble detection processing, and a real-time bubble distribution heat map is output. The technical problems that in the prior art, the crucible bubble detection efficiency is low, some hidden or difficult-to-touch bubbles cannot be accurately recognized, and the accuracy and comprehensiveness of the detection result are limited are solved. The technical effects that different types of bubbles are accurately and intelligently recognized and processed, efficient bubble detection and processing are ensured, and meanwhile the overall bubble detection and processing efficiency of the crucible is improved are achieved.

The invention belongs to the technical field of crucible material proportion optimization, and particularly relates to a quartz crucible material proportion optimization method based on a genetic algorithm. Crucible performance data under different proportions are collected and sorted, data quality is ensured by means of data cleaning and standardization, the data are divided into a training set and a test set for subsequent model training and evaluation, a mathematical relationship between the proportion and crucible performance is established by adopting a regression model, and the performance of the crucible is evaluated. The prediction precision of the model is ensured through training and testing, so that an accurate fitness function is provided for a genetic algorithm; the genetic algorithm is introduced, so that the method can efficiently search an optimal ratio in a global range, and is prevented from falling into a local optimal solution; according to the method, the effectiveness of the optimal ratio is ensured, the research and development period is greatly shortened, the cost is reduced, and the global optimal ratio is quickly determined through systematic data processing, accurate model construction and efficient algorithm application.

The invention discloses a single crystal furnace induction heater which is characterized by comprising a melt, a quartz crucible, a crucible side, an induction heater coil, a crucible core, a support rod and a furnace chassis, the melting body is supported in the quartz crucible, the quartz crucible is supported in the crucible side, the crucible side is provided with the crucible core, the induction heater coil is arranged on the peripheral wall of the crucible side, the furnace base plate is provided with a support rod hole, and a support rod is connected with a lower shaft through the furnace base plate. Eddy current heating is directly generated in a workpiece through electromagnetic induction, the target temperature can be achieved within a few minutes, the energy utilization rate can reach 90% or above, energy consumption is reduced, contact-free heating is achieved, safety performance is improved, easily-damaged and easily-consumed parts are avoided, the operation and maintenance service life is long, and the use cost of a single crystal thermal field is reduced.

The utility model belongs to the technical field of crucibles, and particularly relates to a perovskite evaporation source crucible assembly which comprises a quartz crucible with an opening at one end, at least one heat conduction piece arranged in the quartz crucible and a filtering piece arranged in the quartz crucible and located above the heat conduction piece. And the filtering piece covers the upper opening of the quartz crucible. According to the utility model, through the arrangement of the honeycomb-shaped heat conduction member and the filtering member, the original perovskite raw material is easier to volatilize, the loss of heating power is reduced, the time for stabilizing the deposition rate is shortened, and the large-scale mass production is facilitated; the filter screen is additionally arranged, so that raw materials are more conveniently prevented from splashing to pollute other raw materials, large blasting-boiling particles can be filtered out and splashed to a substrate in the evaporation process, a film layer grows finer and smoother, the quality is better, and defects caused to the film layer are avoided.

The invention belongs to the technical field of high-temperature-resistant containers, and provides a quartz crucible preparation method and a quartz crucible. The preparation method of the quartz crucible comprises the following steps: preparing the matrix; the base body is subjected to heating pretreatment; coating the inner wall of the substrate with a barium solution; sintering to form a barium silicate prefabricated layer on the inner wall of the substrate; and barium carbonate powder is scattered on the barium silicate prefabricated layer to form a barium silicate protective layer. According to the quartz crucible prepared by the quartz crucible preparation method provided by the invention, the barium silicate protective layer in the quartz crucible can effectively prevent a product to be prepared from corroding the quartz crucible.

The invention relates to the technical field of semiconductor material preparation, in particular to a quartz crucible and a preparation method thereof, and a preparation method of a large-size N-type silicon rod. The quartz crucible comprises a quartz crucible body and a doping material dispersed in the quartz crucible body. According to the quartz crucible, the doping material is directly and uniformly dispersed in the base material of the quartz crucible body, so that the doping agent is continuously, controllably and uniformly released in the high-temperature silicon melting process.

The invention relates to a preparation method of electrical-grade magnesium oxide for slowing down current leakage, belongs to the technical field of electrical-grade magnesium oxide, and solves the problems of poor insulativity, relatively high electrical leakage and the like in the actual use process of electrical-grade magnesium oxide. Comprising the following steps: step 1, weighing nano calcium oxide and lanthanide series metal oxide, putting the nano calcium oxide and the lanthanide series metal oxide into a quartz crucible, and uniformly mixing to obtain a primary mixed oxide auxiliary agent; 2, heating the mixed oxide auxiliary agent obtained in the step 1 in a muffle furnace, cooling to room temperature under a drying condition to obtain white powder, and grinding to obtain an oxide auxiliary agent; 3, absorbing ethyl acetate (EA), hydrogen-containing silicone oil and polycyclic aromatic hydrocarbon (D30), putting into a centrifugal tube, and uniformly mixing to obtain a liquid film coating auxiliary agent; the method has the advantages that the current leakage of the electrical-grade magnesium oxide with poor insulativity can be slowed down by adding the metal oxide aid under the condition that the original properties of the electrical-grade magnesium oxide are not changed. The method is simple, convenient and obvious in effect.

The invention relates to the technical field of image visual angle analysis, and particularly discloses a quartz crucible bubble group multi-visual angle three-dimensional reconstruction and dynamic analysis system, which is characterized in that an optical imaging device and a sound wave transmission imaging device are arranged outside a quartz crucible, and boundary contour data and bubble internal structure data of bubbles in the crucible are sequentially acquired; further constructing a three-dimensional model of bubbles in the quartz crucible, separating and identifying the bubbles, and obtaining key feature information of each bubble; in a time sequence of continuous acquisition and modeling, the growth rate of each bubble is calculated in real time, and the aggregation behavior and the fracture sign of a bubble group are monitored; by setting the abnormal judgment threshold and predicting and early warning the potential risk in the bubble group, the effectiveness of the data is remarkably improved, and the monitoring means of the bubble behavior is innovated, so that the production process is optimized, the material quality is improved, and the potential safety hazard and economic loss caused by the bubble defect can be remarkably reduced.

The invention provides a founding method for improving micro-bubbles of a transparent layer of a quartz crucible, and belongs to the technical field of quartz crucible production, and the founding method comprises the following steps: S1, pouring outer-layer quartz sand into a mold, and molding the outer-layer quartz sand through a molding device; s2, the mold is put into a melting furnace, and the formed outer-layer quartz sand is heated through an electric arc method to be melted; s3, stopping heating after the outer-layer quartz sand is completely melted, and completely cooling and solidifying the outer-layer quartz sand into a quartz crucible primary blank; s4, fully melting the high-purity quartz sand into a liquid state through a quartz sand melting device, and uniformly spraying the liquid-state high-purity quartz sand on the inner surface of the quartz crucible primary blank through a feeding mechanism; and S5, carrying out secondary arc ignition heating on the mold, so that the liquid-state high-purity quartz sand is tightly combined with the quartz crucible primary blank, and the melting of the quartz crucible is completed. High-purity quartz sand for manufacturing the transparent layer is completely melted through the quartz sand melting device, so that gas-liquid inclusion in the sand is fully removed, and micro-bubbles of the transparent layer of the quartz crucible are effectively improved.

The invention provides a method and a device for detecting a quartz crucible. The apparatus includes: a first detection chamber having an opening; the base is arranged in the first detection chamber and is used for bearing a quartz crucible; the light sources are arranged on the inner walls of the two opposite sides of the base in the first detection chamber; the second detection chamber is provided with an opening, the second detection chamber can enter or leave the first detection chamber from the opening of the first detection chamber, and after the second detection chamber enters the first detection chamber, the base and the quartz crucible are located in the second detection chamber; the distance sensor is arranged in the second detection chamber and is used for detecting appearance parameters of the quartz crucible after the second detection chamber enters the first detection chamber; the photographing device is arranged in the first detection chamber and is used for photographing an inner surface image of the quartz crucible after the second detection chamber leaves the first detection chamber; and the confirmation part is used for confirming the detection state of the quartz crucible according to the appearance parameters of the quartz crucible and the inner surface image of the quartz crucible.