2640 results about "Quartz" patented technology

The invention is suitable for the technical field of quartz sand flotation, and particularly relates to a quartz sand flotation froth characteristic and dosage linkage control method which comprises the following steps: acquiring real-time process parameters and real-time image data; benchmark foam feature recognition is carried out based on the first image data, and the stable state and particle load characteristics of the foam under the current working condition can be accurately established; motion feature recognition is conducted on the second image data based on the reference foam features, and the dynamic evolution rule of the foam in the flotation tank can be captured in real time; real-time process parameters, moving foam characteristics and reference foam characteristics are combined to determine process adjustment parameters, and the residual state of chemicals in the system and the deviation condition of the flotation working condition can be quantitatively reflected; and the dosing control quantity is determined according to the process adjustment parameters, so that concentrate quality fluctuation and long-term potential quality hazards caused by excess or insufficiency are avoided, and the risk of secondary pollution is reduced.

The invention provides an early-strength rapid-repair grouting material and a preparation method thereof, and the early-strength rapid-repair grouting material is mainly prepared from the following raw materials: 50 to 150 parts of sulphoaluminate cement, 10 to 150 parts of aluminate cement, 200 to 350 parts of a regenerated gelling powder material, 1200 to 1400 parts of quartz sand, 50 to 100 parts of silica fume, 10 to 150 parts of mineral powder, 10 to 100 parts of fly ash, 15 to 50 parts of a composite retarder, 0.1 to 2 parts of a water reducing agent and 1 to 10 parts of an early strength agent. 0.01 to 1 part of a water-retaining agent and 200 to 300 parts of water. The early-strength quick-repair grouting material is characterized in that activated low-cementitious active mineral solid waste is adopted as a main cementitious material, and the product has excellent construction stability, low-carbon weather resistance, corrosion resistance, micro-expansion quick-hardening early strength and economical efficiency.

The invention belongs to the technical field of quartz sand preparation, and provides a flotation synergistic process for high-purity quartz sand preparation, which comprises the following steps: crushing raw ore to obtain ore pulp, detecting the dispersity of the ore pulp after the concentration is adjusted, acquiring ore pulp state parameter data in real time in the detection process, and performing fluctuation analysis to obtain a flotation result; extracting ore pulp state parameters with fluctuation as pre-analysis risk parameters; and in combination with a historical detection database, identifying whether the pre-analysis risk parameter is associated with the occurrence of pseudo uniformity. A parameter association network is constructed based on Granger causality test, an adjustment sequence is determined by integrating an influence quantity coefficient and an intensity coefficient, influence paths and intensity among parameters are defined, adjustment blindness is reduced, quantitative sorting of optimization strategies is realized, parameters having significant influence on the system are preferentially processed, adjustment efficiency and pertinence are improved, and the method is suitable for large-scale popularization and application. The stability and the control precision of the detection system are guaranteed, the false uniformity risk is effectively reduced, and the accuracy of ore pulp dispersion uniformity detection is ensured.

The invention discloses an electronic device parasitic parameter network analysis method based on point cloud deep learning and a related device, and the method comprises the steps: obtaining physical characteristic data in a laser-induced quartz material process, and the physical characteristic data comprises laser wavelength, pulse width, photon energy and material characteristics; and inputting the physical characteristic data into the trained neural network model, and predicting the damage threshold of the laser-induced quartz material. According to the machine learning method fusing physical information, unification of data efficiency and physical consistency is achieved, prediction precision and model expandability are remarkably improved, and the method is used for accurately predicting the damage threshold value of the quartz material under the specific laser condition, so that the laser processing technology is optimized, and the processing precision and efficiency of the quartz material are improved.

The invention provides a spacecraft quartz powder heat insulation tile which is prepared by adopting high-purity quartz powder (SiO2) as a main raw material and combining a high-temperature-resistant ceramic fiber reinforcement and a nano aerogel heat insulation layer through a high-temperature sintering process. The heat insulation tile has the following advantages: 1, the heat insulation tile has excellent high temperature resistance, and can tolerate 1600 DEG C high temperature for a long time and tolerate 1800 DEG C instantaneous thermal shock for a short time; 2, repeated use: the structure is stable, and high strength is still kept after multiple thermal cycles; light weight: the density is low (less than or equal to 0.5 g / cm < 3 >), and the load of a spacecraft is reduced; and 4, the thermal conductivity is low (less than or equal to 0.05 W / m.K), and heat transfer is effectively isolated. The method is suitable for thermal protection systems (TPS) of spacecrafts, such as thermal insulation of reentry capsules and rocket engine nozzles.

The invention is suitable for the technical field of quartz sand purification, and particularly relates to a quartz sand purification acid liquor concentration automatic compensation control method which comprises the following steps: acquiring an acid liquor concentration parameter sequence; wherein the acid liquor concentration parameter sequence is used for indicating the change of the acid liquor concentration from the beginning of purification to the preset purification time, and the acid liquor concentration reflected by the acid liquor concentration parameter sequence is located in an effective concentration interval; performing segmentation processing based on the acid liquor concentration parameter sequence to obtain sub-parameter segments; determining a compensation opportunity based on the sub-parameter segments; wherein the compensation opportunity is used for indicating the opportunity of adding the acid liquor next time; extracting consumption characteristics of each sub-parameter section; obtaining an initial compensation amount based on the plurality of consumption features; an actual compensation amount is determined based on the initial compensation amount and the compensation opportunity. According to the method, the compensation opportunity and the compensation amount can be sectionally determined based on the acid liquor concentration change rule, so that the purification effect of the quartz sand is improved.

The invention discloses a system for mineralizing carbon dioxide by micro-nano bubble reinforced base solid waste and an application method.The system for mineralizing carbon dioxide by micro-nano bubble reinforced base solid waste comprises a micro-nano bubble generation and injection unit, a mineralization reaction unit and a circulating water treatment unit, the micro-nano bubble generation and injection unit comprises a micro-nano bubble generation device, a gas supply pipeline and a water supply pipeline, the mineralization reaction unit comprises a mineralization reactor, and a quartz sand filling layer and a nylon screen are arranged at the bottom of the mineralization reactor. Through the multi-unit integrated coupling design, the micro-nano bubbles are creatively utilized to strengthen the gas-liquid-solid three-phase synergistic reaction process, the column type filling structure and the sectional type reaction mechanism are combined, the carbon dioxide mass transfer efficiency and the mineralization reaction rate are effectively improved, and the system has the advantages of being high in system adaptability, stable in continuous operation, flexible in module deployment and the like; the method is suitable for efficient treatment of alkaline solid waste and carbon dioxide sequestration collaborative scenes, and has good engineering popularization prospects and resource utilization value.

The invention discloses an artificial quartz stone plate fine trimming device, and belongs to the technical field of plate trimming devices, the artificial quartz stone plate fine trimming device comprises a bottom plate, a trimming frame, a moving device, an inner wall mounted on the trimming frame and used for driving an artificial quartz stone plate to move, and a moving frame mounted on the top of the outer wall of the moving device and used for driving the artificial quartz stone plate to move. The rack is used for placing artificial quartz stone plates. According to the artificial quartz stone plate fine trimming device, a centering mechanism is matched with a third forward and reverse motor to drive a third two-way threaded rod to rotate, so that two clamping plates are close to each other on a second guide rod, an artificial quartz stone plate can be accurately fixed to the center position of a moving frame, the position precision of the plate in the trimming process is guaranteed, and the trimming quality is improved; the height of the feeding table is adjusted through the lifting component to be matched with the height of the moving frame, then the plates are pushed to the moving frame from the feeding table through the feeding component, automatic feeding of the plates is achieved, and the machining efficiency is improved.

The invention relates to the technical field of spectrum detection, in particular to a method for detecting the content of trace elements in quartz sand. The method comprises the following steps: acquiring spectral data of a quartz sand solution with gradient change of concentration; in each concentration spectrum, calculating an overlapping index according to the position and peak height difference of a spectrum peak and a previous spectrum peak, and screening abnormal spectrum peaks; analyzing the cross interference of the abnormal spectrum peak and the previous spectrum peak to obtain a distortion representation degree; obtaining the deviation influence degree according to the deviation of the abnormal spectrum peaks influenced by the silicon peaks among different concentrations, obtaining the concentration change interference degree according to the deviation amplitude variation trend of the distortion representation degree in the continuous concentration spectrum data in the ordered concentration, and correcting the spectrum data of the abnormal spectrum peaks to detect the content of the trace elements. According to the method, the spectrum data deviation of the quartz sand under the gradient concentration change is dynamically analyzed and quantified, so that the interference of the silicon element on the trace elements is eliminated, and the accuracy and reliability of the detection result of the content detection of the trace elements in the quartz sand are improved.

The invention discloses a purification method for removing quartz inclusion, which comprises the following steps: calcining a quartz sand raw material at high temperature for a certain time, then taking out and quickly putting into cold water for cold quenching; dehydrating quartz sand, feeding into a microwave reactor, heating to a set temperature, and keeping for a period of time; after the reaction is finished, cleaning the quartz sand with ultrapure water; filling the quartz sand into a high-temperature and high-pressure reactor, introducing supercritical carbon dioxide and hydrogen fluoride mixed gas, and keeping the temperature and the pressure for a period of time; and after the reaction is finished, discharging gas to obtain the high-purity quartz. Through two-stage heat treatment, a channel between gas-liquid inclusions in quartz particles and the outside can be efficiently opened, and meanwhile, the supercritical method ensures that impurities in the inclusions can be effectively dissolved out; the treatment time is short, the required temperature is low, the acid consumption is less than 10%, and the method has the advantages of high efficiency and low cost.

The invention relates to the technical field of glazes, and particularly discloses an antifouling glaze with a snow velvet effect and a preparation method thereof. The glaze comprises the following raw materials in parts by weight: 35-45 parts of quartz stone, 4-6 parts of zinc oxide, 7-8 parts of strontium carbonate, 4-5 parts of barium carbonate, 7-9 parts of calcite, 8-10 parts of talc, 5-8 parts of kaolin, 0.01-0.1 part of titanium dioxide and 1-5 parts of a microcapsule repairing agent. According to the glaze, a large number of fine willemite crystals can be separated out, so that a flickering crystal flower effect is generated, and a glass phase between the crystals is very compact, so that the unification of a visual effect and an antifouling function is realized. Even if the surface is scrubbed to generate scratches, the surface can be recovered through self-repairing, so that the antifouling effect is further improved.

The invention belongs to the technical field of glass, and particularly relates to high-light-transmittance glass and a preparation method of the high-light-transmittance glass. The raw materials comprise the following components in parts by weight: 20 to 30 parts of quartz sand, 15 to 18 parts of sodium carbonate, 8 to 10 parts of limestone, 5 to 7 parts of dolomite, 0.3 to 0.5 part of a clarifying agent, 0.2 to 0.3 part of a coloring inhibitor, 0.1 to 0.2 part of lithium carbonate, 0.05 to 0.1 part of titanium dioxide, 0.1 to 0.3 part of zirconium oxide, 2 to 4 parts of aluminum oxide, 1 to 3 parts of boron oxide, 0.3 to 0.5 part of nano silicon dioxide sol and 1 to 3 parts of a high-temperature-resistant agent; and 1-5 parts of a wear-resistant agent. The quartz sand, the sodium carbonate, the limestone, the dolomite, the clarifying agent, the coloring inhibitor, the lithium carbonate, the titanium dioxide, the zirconium oxide, the aluminum oxide, the boric oxide, the nano silicon dioxide sol, the high-temperature-resistant agent and the wear-resistant agent are used as raw materials, so that the prepared glass is high in light transmittance, and meanwhile, the performance requirements of high strength, low spontaneous explosion rate and the like are met.

The invention provides probe type mineral multi-element laser-induced breakdown spectroscopy detection equipment. The equipment is characterized in that a sealed quartz optical window is mounted on the side surface of a probe box; the laser faces the sealed quartz optical window and emits laser pulses to the detected mineral; the convex surface of the quartz crescent focusing lens faces the laser, the concave surface of the quartz crescent focusing lens faces the sealed quartz optical window, and laser pulses are focused on the surface of detected mineral to generate plasma; the dichroscope is used for reflecting the plasma emission light to the double-lens group; the emitted light is converged through the double-lens group to form a plasma image with weakened chromatic aberration; the spectrograph is coupled with the plasma image through an optical fiber mechanism and records spectrums of different wavebands; therefore, after the focus point of the reflected light of the crescent focusing lens is pushed far to the laser, the optical element is prevented from being damaged; the imaging chromatic aberration of a plasma image is reduced by the double-lens group; the optical fiber mechanism balances spectral intensities of different wavebands and suppresses a continuous spectrum through spatial resolution.

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 relates to the technical field of quartz sand purification, in particular to a high-purity quartz sand purification method and equipment. 2, a magnetic separation stage; 3, an acid leaching stage; 4, an ultrasonic-assisted cleaning stage; 5, a high-temperature chlorination treatment stage; according to the quartz sand purification method, various impurities such as magnetic impurities, non-magnetic metal impurities and silicate impurities in the quartz sand can be deeply removed through the synergistic effect of multiple steps such as pretreatment, magnetic separation, acid leaching, ultrasonic-assisted cleaning and high-temperature chlorination treatment, the purity of the quartz sand reaches 99.999% or above, the strict requirements of high-end fields such as semiconductors and photovoltaics are met, and the method is suitable for industrial production. The purification steps are closely linked to form a modular purification process, and meanwhile, advanced technologies such as ultrasonic-assisted cleaning and high-temperature chlorination treatment are adopted, so that the impurity removal efficiency is remarkably improved, the purification time is shortened, and the energy consumption and the use amount of chemical reagents are reduced by optimizing the process and equipment.

The invention discloses high-purity quartz sand airflow crushing and ultra-fine refining equipment, and relates to the technical field of quartz sand refinement, the high-purity quartz sand airflow crushing and ultra-fine refining equipment comprises a mounting bottom plate, a controller is arranged at the top of the mounting bottom plate, and feeding equipment used for conveying quartz sand is arranged at the position, close to the center, of the top of the mounting bottom plate. According to the high-purity quartz sand airflow crushing and ultra-fine refining equipment, when high-purity quartz sand needs to be subjected to fine crushing, firstly, materials are conveyed into a primary crushing bin, the quartz sand is subjected to ultra-fine crushing through a plurality of first high-pressure nozzles, and when a laser particle size analyzer detects that the granularity of the crushed materials is large, the materials are conveyed into a secondary crushing bin through a plurality of second high-pressure nozzles; and a plurality of second high-pressure nozzles are moved upwards to the positions flush with the outer surfaces of a plurality of first high-pressure nozzles, the material crushing angle and strength are increased, and the problems that in the prior art, in the process that crushing equipment crushes high-purity quartz sand, the spraying angle and the coverage range of high-pressure airflow are relatively single, and the crushing efficiency is low are solved.

The invention discloses a tungsten deposit deep edge metallogenic prediction method based on machine learning, and particularly relates to the technical field of geological prediction and data processing. The method comprises the following steps: acquiring multi-source geological data, constructing a multi-dimensional space grid, and dividing candidate prediction units; quartz vein density, alteration indexes, geochemical combination anomaly weights and high-frequency magnetic anomaly waveform features are extracted, and an ore control feature tensor matrix is constructed; extracting a spatial dependency relationship among the candidate units based on a graph neural network, constructing a metallogenic potential prediction model, and outputting a metallogenic probability graph and a metallogenic hot spot graph; model parameters and feature weights are dynamically optimized through spatial superposition analysis and an abnormal response recognition mechanism; according to the method, the precision and efficiency of deep edge tungsten ore prospecting can be remarkably improved, and good self-adaptability and popularization and application value are achieved.

The utility model relates to a high-purity red phosphorus production device which comprises a stainless steel sealed pressure container, an infrared electric heater is arranged in the stainless steel sealed pressure container, an outer-layer high-purity quartz tube is arranged in the infrared electric heater, an inner-layer high-purity quartz tube is arranged in the outer-layer high-purity quartz tube, and an inner-layer high-purity quartz tube is arranged in the inner-layer high-purity quartz tube. Two ends of the inner layer high-purity quartz tube are closed, through holes are formed in the circumferential surface of the inner layer high-purity quartz tube, one end of the outer layer high-purity quartz tube is closed, and the other end of the outer layer high-purity quartz tube is provided with an opening which is hermetically connected with a stainless steel tube joint which is respectively connected with a nitrogen system and a vacuum system after extending out of an end socket of the stainless steel sealed pressure vessel; the stainless steel sealed pressure container is further provided with a nitrogen charging and discharging port which is connected with a nitrogen system. According to the utility model, the nested inner-layer high-purity quartz tube and the nested outer-layer high-purity quartz tube are adopted, discharging is carried out in the inner-layer high-purity quartz tube, red phosphorus is convenient to take out, nitrogen is filled inside and outside the outer-layer high-purity quartz tube, pressure balance inside and outside the outer-layer high-purity quartz tube is kept, and safety is ensured.

The invention relates to a method for preparing high-purity quartz sand by burning organic silicon as a raw material, and belongs to the technical field of synthesis of quartz sand. The method comprises the following steps: introducing purified organic silicon into a combustor, and combusting to obtain nano silicon dioxide powder; then sintering is carried out to remove moisture, hydroxyl and carbon impurities on the surface of the powder, sintered silicon dioxide powder is obtained, and acid leaching and cleaning are carried out to remove metal impurities on the surface and in the powder; roasting the cleaned silicon dioxide powder in a chlorine atmosphere to remove moisture, hydroxyl and residual metal impurities; and carrying out high-temperature densification treatment on the roasted silicon dioxide powder, and then crushing, grinding and screening to obtain the high-purity quartz sand. The particle size of the prepared high-purity quartz sand ranges from 50 micrometers to 300 micrometers, the purity is larger than or equal to 99.999%, and the apparent density is larger than or equal to 2.1 g / cm < 3 >. The method breaks through the limitation of natural mineral purification, and provides a brand new path for large-scale production of high-added-value quartz sand.

The invention discloses a preparation method of low-carbon-content high-purity quartz sand, which comprises the following steps: carrying out alkaline hydrolysis and drying on organosilane to obtain alkaline xerogel, putting the alkaline xerogel into a quartz tube of a rotary tube furnace, starting the furnace body, adjusting the rotation rate, heating to a specific low temperature, and introducing nitrogen to replace air; introducing oxygen, controlling the pressure, carrying out oxidation reaction, relieving the pressure to normal pressure after the reaction, pumping and discharging the product, and repeating the oxidation and pumping steps for many times until the tail gas carbon dioxide reaches the standard; raising the temperature, introducing chlorine-containing gas for purification, finally raising the temperature to a sintering temperature, and sintering in an air atmosphere to obtain the low-carbon-content high-purity quartz sand. According to the preparation method, the energy consumption and the equipment cost of the carbon removal procedure are greatly reduced, the specific surface area and the densification performance of the subsequent high-purity quartz sand product can be guaranteed, and a technical path which is low in energy consumption, high in efficiency and capable of giving consideration to the product performance is provided for industrial preparation of the high-purity quartz sand through a sol-gel method.

The invention relates to a coal gangue all-component resource utilization method based on a grading and grading process, and belongs to the technical field of solid waste resource utilization. Aiming at the technical bottlenecks of high component mixing degree, low resource utilization rate, low product added value and the like in the traditional coal gangue treatment process, the method innovatively constructs an integrated process system of three-stage crushing and screening coordinated multi-path resource conversion. The specific implementation process comprises the steps that firstly, size grading is conducted on coal gangue through a combined crushing system of a jaw crusher, a hammer crusher and an impact crusher, and accurate separation of coarse coal, stone and soil is achieved through a three-stage vibration screening system according to the selective crushing characteristics of different minerals in the aspects of density, hardness and mechanical properties. Wherein the materials with the size fraction larger than 25 mm are subjected to impact type crushing to strengthen quartz component decomposition and separation, the materials with the size fraction ranging from 25 mm to 6 mm are subjected to multi-section hammer type crushing to promote kaolin enrichment, and finally coarse coal, stone and soil products are formed.

According to the refined quartz sand datamation intelligent production control method and system disclosed by the invention, the quartz stone raw materials are firstly cleaned and sorted to obtain the quartz stone raw materials with different particle size ranges, and the quartz stone raw materials with different particle size ranges are subjected to different crushing treatments, so that impurities in the quartz stone raw materials are exposed to the maximum extent; screening and impurity removal are performed twice, so that the utilization rate of the quartz stone raw material is increased; in addition, by maximizing the exposed impurity surface area, the subsequent impurity removal load is greatly reduced from the source, and the energy consumption and the consumption of impurity removal chemicals are reduced.

The invention belongs to the technical field of inter-cooling water treatment, and relates to a system and method for cooperatively treating inter-cooling water through multi-stage bypasses. Comprising a gradient filtering unit, a modified adsorption unit and a composite adsorption unit which are sequentially connected, a bottom outlet of the gradient filtering unit is connected with a bottom inlet of the modified adsorption unit; a top outlet of the modified adsorption unit is connected with a top inlet of the composite adsorption unit; the gradient filtering unit sequentially comprises a manganese sand layer and a quartz sand layer from top to bottom; the modified adsorption unit is filled with a coal gangue modified straw biochar material; the composite adsorption unit is internally filled with a microcapsule-embedded calcium alginate-vinasse biochar composite material. According to the invention, three-stage cooperative treatment of iron suspended matter interception, sulfate radical adsorption and iron ion chelation is realized, and low-cost, green and sustainable indirect cooling water deep purification is realized by using the solid waste-based functional material.

The invention relates to the technical field of synthetic quartz sand, in particular to an ultrapure synthetic quartz sand roasting device which comprises a temperature acquisition unit, a plurality of reaction temperature sensors arranged on the inner side of the furnace wall of a reaction furnace and used for acquiring the temperature of each temperature control area, and a gas temperature sensor, the data acquisition unit comprises a plurality of machine vision devices and a signal detection device, wherein the machine vision devices are used for acquiring the reaction time of each temperature control area; the data analysis unit is used for determining a plurality of same quartz sand roasting characteristic values as a quartz sand roasting characteristic value group, and calculating diffraction peak dispersion characteristic values to determine a target quartz sand roasting characteristic value; the data processing unit is used for judging whether the quartz sand raw material is uniformly dispersed in the reaction furnace; and the finished product detection unit calculates the temperature difference threshold value and the temperature deviation value of each temperature control area to judge whether the reaction furnace works normally or not. According to the method, the roasting accuracy of the ultra-pure synthetic quartz sand is remarkably improved.

The invention relates to the technical field of glass raw material treatment equipment, in particular to glass production raw material treatment equipment which comprises a crushing box, a movable jaw plate mounted in the crushing box, a static jaw plate fixedly connected into the crushing box, a tooth block fixedly connected to the static jaw plate, an eccentric shaft mounted at the top of the movable jaw plate and transmission wheels arranged at the two ends of the eccentric shaft. The quartz stone crushing device further comprises a shell cover installed on the outer side of the crushing box, a transmission assembly arranged on the outer side of the crushing box, hammering assemblies arranged on the static jaw plate, impacting assemblies arranged on the hammering assemblies and pushing assemblies arranged between the tooth blocks. And the number of the crushing assemblies is gradually increased from top to bottom, and the distance between the crushing assemblies is gradually decreased, so that the device can be suitable for hammering quartz stones in different positions of the static jaw plate from top to bottom and in different sizes, and the quartz stones clamped on the static jaw plate can be removed in the process of accelerating crushing of the quartz stones.

A temperature field test system for a thermocouple calibration furnace (1) having a temperature uniformity block (8). In the system, two ends of the thermocouple calibration furnace (1) are sealed by means of positioning blocks (9); a standard thermocouple (4) is placed in a quartz tube (2), a reference junction of the standard thermocouple (4) is connected to one end of a wire (3) and is then placed in a glass test tube (5), an opening of the glass test tube (5) is sealed, the glass test tube (5) is placed in a reference junction thermostat (6), and the other end of the wire (3) is connected to an electrical measurement device (7); when empty-furnace temperature field test parameters of the thermocouple calibration furnace (1) are to be acquired, the quartz tube (2) axially passes through the thermocouple calibration furnace (1) and the positioning blocks (9); and when temperature field test parameters of the thermocouple calibration furnace (1) having the temperature uniformity block (8) are to be acquired, the temperature uniformity block (8) is arranged in the thermocouple calibration furnace (1), and an end portion of the quartz tube (2) is inserted into the temperature uniformity block (8). Thus, the placement position of the temperature uniformity block (8) in the thermocouple calibration furnace (1) can be determined, and whether the temperature field of the thermocouple calibration furnace (1) having the temperature uniformity block (8) meets the technical specification requirements is determined. Further disclosed is a temperature field test method for a thermocouple calibration furnace (1) having a temperature uniformity block (8).

The quartz part polishing equipment comprises a polishing robot, and an operation platform is arranged at the operation end of the polishing robot; a full heating end is arranged on the side, away from the polishing robot, of the operation platform. The invention relates to the technical field of quartz part processing equipment, and has the beneficial effects that the outer wall and the inner wall of a quartz part are synchronously and uniformly heated by arranging a full heating end and utilizing a side ring heating piece and a core part heating piece respectively, so that the whole quartz part is uniformly heated, and the thermal stress caused by local temperature gradient is reduced; the toughness of the quartz part is improved through heating, microcracks caused by cold grinding and polishing are avoided, the product percent of pass is improved, the self-transposition split jacking tool with the first mode and the second mode is designed, the polishing robot can conduct seamless grinding on the shielding portion of the self-transposition split jacking tool, the machining blind area caused by a traditional clamp is eliminated, and the machining efficiency is improved. All-directional polishing of the surface of the quartz part is achieved.

The invention provides screening equipment for quartz stone raw materials. The screening equipment comprises a grading assembly and an anti-blocking mechanism. The anti-blocking mechanism is connected with the grading assembly and used for cleaning the grading assembly. The grading assembly comprises a screening net and a plurality of baffles, the baffles are arranged on the upper surface of the screening net at intervals, the baffles are used for adjusting the moving path of raw materials, a pressure sensor is arranged on the lower portion of the screening net and electrically coupled with an anti-blocking mechanism, and the anti-blocking mechanism is arranged on the back face of the screening net; the anti-blocking mechanism comprises a plurality of ultrasonic anti-blocking modules which are sequentially arranged. The baffle can effectively prevent the raw materials from directly moving towards the discharging port in the screening process and guide the raw materials to flow in a dispersed mode, so that the residence time of the raw materials on the screening net is prolonged, sufficient screening is guaranteed, and the screening accuracy and efficiency are improved. The ultrasonic anti-blocking module and the pressure sensor work cooperatively, and when the screening plate is blocked, vibration of the screening plate can be caused.

The present invention discloses a device and method for testing the flow corrosiveness and thermal stability of molten salt, which belongs to the field of thermal property testing of energy storage high-temperature molten salt. The device includes: an experimental test subsystem, a heating constant temperature subsystem, and an information acquisition and control subsystem; the experimental test subsystem includes a W-shaped quartz tube, an air pump, and a molten salt tank; the W-shaped quartz tube includes a vertical first quartz tube, a second quartz tube, and a third quartz tube, and the lower ends of the three vertical quartz tubes are connected to accommodate the high-temperature molten salt to be tested. The present invention detects the dynamic and static thermal stability of the molten salt by detecting the penetration rate of infrared rays through the capillary tube, and can also detect the corrosiveness of the molten salt in two states of long-term immersion and scouring. The detection of molten salt by the present invention is more in line with the working state of the molten salt, with high accuracy, and is intelligent and convenient.

The invention provides a quartz sand whiteness detection device, which comprises a tester body and a test head installed on the tester body, the tester body is movably provided with a support column, the top of the support column is fixedly provided with a driving key, the driving key is slidably provided with a support plate, the support column is fixedly provided with a limiting plate, and the limiting plate is fixedly provided with a rotating shaft. The limiting plate is located below the supporting plate, a plurality of object placing tables are annularly fixed to the supporting plate, clamping grooves are formed in the object placing tables, detection containers are arranged above the supporting plate, the bottoms of the detection containers are embedded into the clamping grooves, ejection blocks are arranged below the detection containers, and the ejection blocks are connected with the clamping grooves. An electric telescopic rod is installed on the tester body, a top plate is installed at the output end of the electric telescopic rod, and the problems that in the manual operation detection process, sand grains are likely to scatter, so that material waste is caused, meanwhile, the operation intensity is high, and manual error accumulation is likely to be caused by long-term operation are solved.