2980 results about "Ultrasonic generator" patented technology

The invention discloses a full-automatic filling and tail sealing method and system based on image recognition analysis, and relates to the technical field of image analysis, and the method comprises the following steps: extracting fluid dynamic control parameters and bubble group dynamic characteristic parameters; according to fluid dynamic control parameters, the annular microelectrode array is controlled to generate a directional electric field, and the liquid flowing state is regulated and controlled; ultrasonic action parameters are determined according to the bubble group dynamic characteristic parameters, and a frequency-adjustable ultrasonic generator is controlled to output ultrasonic modulation pulses; detecting the temperature distribution of the sealing area of the container, and applying differential heat sealing parameters to different temperature areas; and establishing a multi-layer perception neural network optimization controller, and optimizing a control parameter combination by taking the quality index of the filling and end-capping process as an optimization target. The filling method combining image recognition and electric field regulation and control is adopted, accurate control over the liquid flowing state is achieved, the problem that in the traditional filling process, liquid drawing and flow cutoff are not accurate is solved, and the filling precision and efficiency are improved.

The invention discloses an unmanned aerial vehicle co-frequency resonance deicing device and a deicing method, and relates to the field of high-voltage overhead conductor deicing, an unmanned aerial vehicle device is provided with a deicing device, the deicing device comprises a microwave generator and an ultrasonic generator which are oppositely arranged, and a power transmission line is located between the microwave generator and the ultrasonic generator. Microwaves and ultrasonic waves emitted by the microwave generator and the ultrasonic generator face the power transmission line; the deicing device comprises a resonant frequency detection device, the resonant frequency detection device is used for obtaining the resonant frequency of the icing position of the power transmission line, the frequency of ultrasonic waves emitted by the ultrasonic generator is the same as the resonant frequency of the icing position of the power transmission line, and the frequency of microwaves emitted by the microwave generator is the same as the resonant frequency of the icing position of the power transmission line. The ice layer is cracked by utilizing high-frequency vibration heating generated by ultrasonic waves and microwaves, so that the purpose of removing the ice layer is achieved. According to the method, a power grid line does not need to be contacted, and line damage possibly caused by direct impact is avoided.

The invention discloses an ultrasonic vibration thermal aging treatment method and a high-performance aluminum-magnesium-silicon alloy material. Firstly, solution treatment and water-cooling quenching are carried out at the temperature of 555 DEG C, and then coupling treatment of ultrasonic vibration and thermal aging is carried out at the temperature of 150 DEG C; and under the combined action of ultrasonic vibration and a temperature field, precipitation of a beta ''phase is remarkably accelerated, proliferation and movement of dislocation are improved, grain refinement and microstructure optimization are promoted, and comprehensive improvement of the comprehensive mechanical property of the 6082 aluminum alloy is achieved within short aging. After the obtained high-performance 6082 aluminum alloy is treated for 1-3 hours, the hardness is improved to 120-125 HV, and the tensile strength is improved to 320-330 MPa. The ultrasonic aging vibration device comprises an ultrasonic generator, a transducer, an amplitude-change pole, a drying box, a fixed base and a fixed frame, efficient transmission of ultrasonic energy and stable vibration are ensured, and therefore the comprehensive mechanical property and machining quality of 6082 aluminum alloy are remarkably improved.

The invention relates to the technical field of air conditioning, and discloses a control method of air treatment equipment. The filter screen device of the air treatment equipment comprises a filter screen body used for filtering air; the ultrasonic generator is connected with the filter screen body in a contactable manner so as to transmit vibration energy of the ultrasonic generator to the filter screen body. According to the self-cleaning filter screen device, high-frequency vibration of the ultrasonic generator is used for conducting vibration cleaning on dust attached to the filter screen body, almost no dust remains on the filter screen body, cleaning is thorough, the cleaning efficiency is high, noise is low when the ultrasonic generator works, energy consumption is low, and the use experience of a user can be effectively improved through the self-cleaning filter screen device. The vibration intensity and the vibration frequency of the ultrasonic generator are controlled according to the environment temperature and / or humidity, and the cleaning effect is ensured.

The invention discloses a natural gas supply device for an industrial furnace, which relates to the technical field of gas supply systems for industrial furnaces, and comprises an annular guide rail which is arranged at the side end of a gas inlet flow regulation and control valve pipe in a sleeving manner and is used for driving an adjusting shaft and an ultrasonic generator to be positioned at the side end of a gas inlet pipeline to carry out ultrasonic frequency emission regulation and control, under the cooperation of the oxygen-containing regulation and control assembly, the oxygen content proportion in the natural gas in the oxygen-containing conveying pipe is rapidly corrected, the precise oxygen content needed by combustion of the industrial furnace is guaranteed, super-uniform mixing of natural gas and oxygen is integrally achieved, the incomplete combustion phenomenon caused by fluctuation of the oxygen content is reduced, and the heating effect and the product quality are improved; and under the cooperation of the ultrasonic adjusting assembly, more complex pipeline impurity conditions can be treated, so that emission parameters and reflection angles of self-adaptive automatic adjustment ultrasonic waves are formed, natural gas conveying is smoother, and therefore the combustion stability and heat efficiency of the industrial furnace are improved.

The utility model discloses a double-groove ultrasonic cleaning device for optical lenses, which belongs to the technical field of optical lens processing, and comprises two cleaning grooves arranged side by side, an ultrasonic vibration plate and an ultrasonic generator, a displacement component is arranged above the cleaning grooves, and a connecting rod is connected onto the displacement component. The connecting rod is connected with a cleaning frame for placing a lens, and the displacement assembly is used for driving the cleaning frame to move up and down and left and right. The cleaning frame can be driven to conduct ultrasonic cleaning operation in the two cleaning tanks, the displacement assembly drives the cleaning frame to meet the requirement for slow pulling dehydration, the labor intensity of workers is reduced, and the lens cleaning efficiency is improved; double-groove ultrasonic cleaning can be conveniently carried out on the optical lens, and the machining requirements of different lenses are met; and the inclined middle plate is arranged between the two cleaning tanks, so that the mixing of solutions in the two cleaning tanks caused by the movement of the cleaning frame is reduced, and the cleaning effect in each tank is ensured.

Disclosed in the present invention are a hydrogen production and dissolution system and method. The hydrogen production and dissolution system comprises a power supply assembly, an electrolysis assembly, a treatment assembly, a reaction assembly, and a safety assembly. The treatment assembly comprises a gas-liquid separator, and the gas-liquid separator is communicated with an electrolyzer; the reaction assembly comprises a pressure booster and reaction tanks, the pressure booster has one end communicated with the gas-liquid separator and the other end communicated with the reaction tanks, the pressure booster pressurizes the reaction tanks, and an ultrasonic generator is provided in each reaction tank; and the safety assembly comprises leakage sensors, and each leakage sensor is arranged on a side of a corresponding reaction tank. The hydrogen production and dissolution method is used for controlling the hydrogen production and dissolution system. The present invention can directly dissolve the produced hydrogen in water, thereby reducing potential safety hazards while eliminating the need for storage and transportation devices.

The invention discloses a sludge treatment process based on an ultrasonic hydrothermal carbonization technology. The sludge treatment process comprises the following steps: intercepting and filtering out large impurities in biological sludge; carrying out solid-liquid separation on the intercepted sludge, and carrying out concentration treatment on the sludge to obtain concentrated sludge; discharging the concentrated sludge into an ultrasonic hydrothermal carbonization reaction kettle, adding water to adjust the concentration of the concentrated sludge to 10-20%, starting an ultrasonic generator, adding a composite catalyst when the temperature in the ultrasonic hydrothermal carbonization reaction kettle reaches 50 DEG C and the pressure reaches 0.8 Mpa, and converting to generate carbon slurry; wherein the composite catalyst is prepared from ferric oxide, platinum and activated carbon according to a preset proportion; carrying out primary solid-liquid separation on the carbonaceous slurry, separating solid-phase carbon mud and liquid-phase carbon mud in the sludge suspension, and carrying out filter pressing on the solid-phase carbon mud to obtain a mud cake; and drying the mud cake, and granulating in a granulator to obtain the hydrothermal carbon granules. According to the sludge treatment process based on the ultrasonic hydrothermal carbonization technology, the sludge treatment difficulty can be effectively reduced, and the sludge can be quickly treated.

The invention discloses an efficient glass fiber plate cleaning and drying process which comprises the following steps: S1, pretreatment: performing appearance inspection on a to-be-cleaned glass fiber plate, and removing unqualified plates of which the surfaces are obviously damaged and cracked; s2, pre-cleaning: putting the glass fiber plate subjected to primary treatment into an ultrasonic cleaning tank, injecting clear water into the cleaning tank, enabling the liquid level of the clear water to completely submerge the glass fiber plate, starting an ultrasonic generator at the same time, and separating dust, loose chippings and other impurities on the surface of the glass fiber plate through the cavitation effect of ultrasonic waves to complete pre-cleaning; and S3, chemical cleaning, wherein after pre-cleaning is completed, the glass fiber plate is fed into a chemical cleaning tank containing alkaline pre-cleaning liquid. According to the technology, multiple cleaning procedures are combined with ultrasonic waves, chemical reagents and nano-particles, vacuum and hot air drying are matched, efficient cleaning and rapid drying of the glass fiber plate are achieved, few impurity residues exist, the water content is low, the surface flatness is good, parameter adaptability is high, energy is saved, environment friendliness is achieved, and the automation degree is high.

The invention relates to the technical field of metal material detection, and discloses seamless steel tube nondestructive ultrasonic flaw detection equipment and method.The equipment comprises a base, an ultrasonic generator, an ultrasonic flaw detection device and an ultrasonic flaw detection device, the driving mechanism is used for driving the adjusting mechanism to move, and the transducer is used for projecting ultrasonic waves to the seamless steel pipe and receiving echoes; the control panel is used for driving the ultrasonic generator to generate ultrasonic waves and receiving and displaying echoes; the power mechanism is located in the base and used for driving the seamless steel pipe to rotate. The driving mechanism drives the adjusting mechanism and the transducer to reciprocate, so that the transducer covers the full length of the seamless steel tube. The power mechanism drives the steel pipe to rotate, so that the outer wall of the steel pipe passes through the lower part of the transducer to realize full-area coverage detection. The ultrasonic generator is matched with the transducer, and the detection result is displayed on the control panel in real time, so that the detection precision and efficiency are greatly improved, and meanwhile, nondestructive detection is realized.

The utility model discloses a flow-controllable abrasive feeding device which comprises a charging box, a feeding pipe is communicated with the lower end of the charging box, a booster pump is arranged at one end of the feeding pipe, a discharging pipe is communicated with the other end of the feeding pipe, a discharging valve is arranged on the discharging pipe, the charging box is of a funnel-shaped structure, a feeding pipe is communicated with the charging box, and a discharging valve is arranged on the discharging pipe. An ultrasonic generator is arranged on the charging box, a protection plate is arranged on the charging box, an ultrasonic transducer electrically connected with the ultrasonic generator is arranged on the protection plate, a fixing block is arranged on the charging box, a rotating column is rotationally arranged on the fixing block, a matched sleeve is arranged on the rotating column, a mounting column is arranged on the matched sleeve, and a stirring plate is arranged on the mounting column; compared with the prior art, the grinding material flow control device has the advantages that grinding material accumulation is avoided, blockage is avoided, grinding material supply is continuous and normal, and the grinding material flow can be conveniently controlled.

The invention discloses a cleaning method and equipment for improving the cleanliness of a solid surface. The cleaning method comprises the steps that a cleaning medium containing a cleaning liquid and a gas mixture is injected into a cleaning tank, gas exists in the cleaning medium in the form of micro-nano bubbles, the concentration of the micro-nano bubbles is 106-1012 / L, and the pressure of the gas is 0.01-2.00 MPa; ultrasonic waves with the frequency range of 1 kHz to 1 MHz are applied into the cleaning tank through a multi-frequency ultrasonic wave generating device; and the cleaning medium is adjusted to circularly flow in the cleaning tank so as to clean the surface of the solid. According to the solid surface cleaning method combining the micro-nano bubbles and the ultrasonic technology, the cleaning efficiency and effect are remarkably improved by optimizing generation, distribution and stability of the bubbles and accurately controlling interaction between ultrasonic waves and the bubbles.

The invention discloses a heat exchanger and method for rare gas preparation, and relates to the technical field of heat exchangers, the heat exchanger comprises a heat exchange mechanism, the outer surface wall of the heat exchange mechanism is sleeved with a cleaning structure, the input end of the heat exchange mechanism communicates with a feeding mechanism, and an aeration mechanism is inserted into the inner surface wall of the heat exchange mechanism. In the cleaning process, the second air pump conveys outside air to the aeration ball, so that a large number of bubbles are formed in cleaning liquid, dirt is cleaned by means of tiny shock waves and high-speed micro jet flow generated during bubble movement and breakage, and the ultrasonic generator can release sound wave energy; the synergistic effect of bubbles and sound waves greatly improves the cleaning efficiency and effect, enhances the stripping capacity of dirt on the inner wall of the heat exchanger, ensures that rare gas is not polluted in the heat exchange process, maintains the high purity of the rare gas, keeps the inner wall of the heat exchanger smooth, and improves the heat transfer efficiency, so that the cooling or heating speed of the rare gas is increased, and the service life of the heat exchanger is prolonged. The efficiency of the whole preparation process is improved.

The invention discloses a micro-scale tin soldering device and method for ultrasonic laser composite energy field coordinated regulation and control. The micro-scale tin soldering device comprises a coordinated energy output module, a multi-physical field monitoring module, a wire feeding module, an intelligent regulation and control system and a motion platform, and a workpiece to be welded is arranged on the motion platform; the collaborative energy output module comprises a laser unit, an ultrasonic vibration unit and a focusable focus lens, the ultrasonic vibration unit comprises an ultrasonic generator, and the multi-physical field monitoring module comprises an infrared thermometer, a high-speed holographic imaging system and an acoustic impedance sensor; the high-speed holographic imaging system is used for recording brazing filler metal molten pool flowing and IMC nucleation dynamic states; the acoustic impedance sensor monitors the ultrasonic energy transmission efficiency; the intelligent regulation and control system is electrically connected with the multi-physics field monitoring module, and a multi-physics field coupling prediction model based on an LSTM neural network is arranged in the intelligent regulation and control system. According to the technical scheme, the structural design is reasonable, the energy field coupling efficiency is high, the material adaptability is high, the structure performance is controllable, the defect rate is remarkably reduced, and practicability is good.

The invention relates to a paint coating cavitation erosion resistance evaluation method based on an ultrasonic technology, belongs to the technical field of paint coating performance evaluation, and solves the problem that in the prior art, it is difficult to comprehensively observe and accurately simulate an ultrasonic bubble dynamic process in a laboratory. The method comprises the following steps: preparing a sample wafer on a steel plate by adopting a unified process, placing the sample wafer in an experimental water tank, generating a cavitation bubble group by using an ultrasonic generator to simulate cavitation erosion, collecting data through equipment such as a high-speed camera, a hydrophone and a pressure sensor, and obtaining damage time and area by virtue of an image processing algorithm and a super field depth microscope. And the cavitation erosion resistance is analyzed and evaluated through data processing. Rapid and accurate evaluation can be realized in a laboratory, the test period is shortened, and the cost is reduced; the evaluation accuracy, reliability and repeatability are improved; and a scientific basis can be provided for coating research and development, quality control and engineering application.

The invention discloses a landfill leachate pretreatment process, and belongs to the technical field of landfill leachate treatment.The landfill leachate pretreatment process comprises the following steps of S1, pre-oxidation and catalytic chain breaking, S2, dual-alkali calcium and magnesium removal, S3, magnetic flocculation and adsorption, S4, dynamic membrane filtration unit treatment and S5, control system integration. The mass transfer efficiency of an oxidizing agent and pollutants is enhanced, the dosing of the agent is dynamically regulated and controlled by combining an ORP (oxidation reduction potential) meter, so that parameters such as potential, pH value and temperature are kept in an optimal interval, the oxidation reaction is ensured to be fully carried out, macromolecular organic matters are efficiently decomposed, and a foundation is laid for subsequent treatment; the collision efficiency of calcium and magnesium ions is improved through the water distributor and the granular sludge bed, and meanwhile, the chemical dosage is dynamically controlled and the pH value is accurately adjusted through the sensor, so that the calcium and magnesium ions are efficiently removed, the chemical waste is reduced, and the operation cost is reduced.

The utility model discloses an ultrasonic derusting device of a bottle conveying mesh belt and a glass bottle production line and belongs to the technical field of glass machinery. The bottle derusting device is characterized by comprising a shell (7), a derusting groove (3) is formed in the shell (7), a roller (4) is arranged in the derusting groove (3), a bottle conveying mesh belt enters the derusting groove (3) and bypasses the lower portion of the roller (4), the roller (4) is arranged in the length direction of the derusting groove (3), and an ultrasonic generator (11) is arranged on the groove wall of the derusting groove (3). According to the ultrasonic rust removal device of the bottle conveying mesh belt and the glass bottle production line, the bottle conveying mesh belt is cleaned in an ultrasonic cleaning mode, rust removal and dust removal can be achieved on the surface and the interior of the bottle conveying mesh belt at the same time, the cleaning effect is improved, and the defect that only the surface of the bottle conveying mesh belt is cleaned in the prior art is overcome; the problem that the quality of the glass bottle is reduced due to the fact that the bottom of the glass bottle is stained by rust or dust is solved.

The invention belongs to the technical field of industrial automation control, and particularly relates to a control system and method of a battery shell cleaning machine, and the method comprises the steps: obtaining a sound field signal in a cleaning tank, and carrying out the preprocessing to remove direct current drift and low-frequency mechanical vibration; the permutation entropy of the sound field signals is calculated to evaluate load complexity, a penalty factor of variational mode decomposition is adaptively constructed according to the load complexity, and then a fundamental frequency mode and a high frequency mode are separated; constructing a risk index reflecting the cavitation erosion degree according to the energy ratio of the high-frequency mode and the time domain volatility of the high-frequency mode; and according to the deviation between the risk index and the safety threshold, cooperatively adjusting the frequency jitter amplitude and the power amplitude of the ultrasonic generator. According to the method, through a self-adaptive decoupling damage signal and double-variable cooperative control strategy, on the premise that high cleaning efficiency is guaranteed, destructive cavitation and resonance damage are effectively restrained, and the balance between the cleaning effect and workpiece safety is achieved.

The invention provides a metal material recycling device and a method for leaching fluorine beryllium thallium and lithium rubidium cesium in lithium slag. Relates to the field of metal material recycling, and comprises a leaching tank placed on the ground through four supporting frames, the top of the leaching tank is fixedly provided with a top cover, and the bottom of the leaching tank is fixedly provided with a bottom cover. According to the metal material recycling device and the leaching method for fluorine beryllium thallium and lithium rubidium cesium in the lithium slag, the ultrasonic generator is arranged to supply energy to the first ultrasonic transducer and the second ultrasonic transducer to generate ultrasonic waves, the ultrasonic waves generate microjet flow to impact the surface of minerals, acid liquor permeation and ion diffusion are accelerated, the leaching time is shortened, and the efficiency is improved; the surface of the lithium slag is not prone to passivation, the leaching rate of target metal ions is increased, the leaching liquid is pumped out through the water suction pump, manual contact with the leaching liquid in the next solid-liquid separation procedure is facilitated, dilute sulfuric acid is supplemented through the acid supplementing pipe, then the lithium slag is placed through the funnel, and the consistency and controllability of starting of the leaching reaction are guaranteed.

The invention belongs to the technical field of 3D printing, and relates to a sinking type 3D printing liquid level control device and method. A forming table movement system of the control device is provided with a forming table placed in the multifunctional stock bin; a forming table movement mechanism is arranged corresponding to the forming table; the forming table movement mechanism is provided with a left cantilever and a right cantilever which are located over the forming table and arranged in a bilateral symmetry mode. The rear ends of the left cantilever and the right cantilever are fixedly connected with the Z-direction movement mechanism; the front end is positioned right above the multifunctional stock bin; the arranged liquid level detection system comprises at least one liquid level sensor which is parallel to the forming table; the multifunctional stock bin comprises an inner bin and an outer bin; according to the sinking type 3D printing scraper-free liquid level leveling device, the functions of scraper-free liquid level leveling of sinking type 3D printing, stable operation of a curing light source, timed stirring of light curing liquid and constant-temperature control are achieved, and long-term stable and rapid operation of sinking type 3D printing equipment is guaranteed.

The invention discloses a preparation method for inhibiting generation of shrinkage cavities on the surface of a pole piece and the pole piece. The method comprises the following steps: S1, pre-activating a base material, and generating a hydrophobic-oleophylic gradient layer by argon and hexamethyldisiloxane mixed plasma; s2, slurry modification: adding a zwitterionic block copolymer and silane modified nano titanium dioxide, and adjusting the surface tension of the slurry to 25-30 mN / m; s3, dynamic flow field coating is conducted, an ultrasonic generator restrains vortex, and the coating speed ranges from 20 m / min to 60 m / min; s4, gradient drying, three-section temperature control and wind speed decreasing are matched with solvent volatilization; and S5, defect repairing, wherein the shrinkage cavity is repaired through laser micro-area remelting in combination with the piezoelectric micro-roller. Compared with the prior art, through cooperation of surface energy gradient matching, flow field regulation and control and online repair, the shrinkage cavity phenomenon of the pole piece can be effectively inhibited, so that the quality and consistency of the pole piece are improved, and the method is suitable for efficient production of high-energy-density batteries.

The invention discloses a wire-powder composite ultrasonic-assisted additive and subtractive material forming device and a manufacturing method, the wire-powder composite ultrasonic-assisted additive and subtractive material forming device comprises a rack, an additive manufacturing module, a subtractive material milling module, an ultrasonic-assisted module and a forming platform, the rack comprises a Z1-axis assembly, a Z2-axis assembly and an XY plane moving platform; the additive manufacturing module is fixed to the Z1-axis assembly, and the subtractive milling module is fixed to the Z2-axis assembly. The ultrasonic auxiliary module comprises an ultrasonic generator, an ultrasonic vibration head and a mounting frame; the mounting frame is fixed on the XY plane moving platform, and a thrust cylinder is fixed in the inner space of the mounting frame; in the additive manufacturing process, the thrust air cylinder pushes the ultrasonic vibration head to move along the guide rail, so that the ultrasonic vibration head upwards penetrates through the middle hole of the mounting frame and then is vertically pressed on the lower surface of the forming platform, and vibration of the ultrasonic vibration head is controlled through the ultrasonic generator. According to the method, the performance and morphology of the part in the manufacturing process can be regulated and controlled, and therefore high-efficiency and high-quality integrated forming of a complex structure is achieved.

The invention relates to a ship bottom dirt removal system and a ship bottom dirt removal process, and belongs to the technical field of ship bottom dirt removal. The ship bottom dirt removal system comprises an underwater robot platform, four multi-degree-of-freedom mechanical arms, a high-pressure water jet nozzle, a sprinkler type coating nozzle, an underwater motor and an ultrasonic generator; the four multi-degree-of-freedom mechanical arms are all installed on the underwater robot platform, the underwater robot platform is provided with an underwater holder, the underwater holder is provided with a high-definition underwater camera, and the underwater robot platform is provided with a water jet pump, a liquid storage water tank and a conveying pump. According to the system, the underwater robot with the path designed through an algorithm can achieve dirt recognition, multi-mode collaborative removal (high-pressure water jet, bio-enzyme and ultrasonic wave) and self-repairing coating spraying, the system has high efficiency, environment friendliness and long-acting antifouling capacity, and the ship maintenance cost and the marine pollution risk can be remarkably reduced.

The invention discloses a multi-layer circuit board structure based on an AMB technology and a preparation technology, and relates to the field of circuit board preparation, and the preparation technology comprises the following steps: providing a plurality of substrates with coating surfaces, and scanning the coating surfaces through a second laser beam to preheat the substrates, spraying welding flux on the coating surface through a spray head with a first ultrasonic generation module to form a welding flux layer; the surface of the solder layer is scanned through a third laser beam, so that the surface of the solder layer is softened, the solder layer is automatically spread and leveled, and a semi-solid solder layer is formed after cooling; and a plurality of substrates are stacked and fixed through a positioning clamp, then each solder layer is scanned through a fourth laser beam, the solder layers are vibrated by a second ultrasonic generation module, and after the solder layers are cooled and solidified to form welding spots, the multilayer circuit board structure is obtained. Through combination of laser and ultrasonic waves, the thickness of the solder layer is uniform, and the surface is smooth; bubbles and impurities in the solder layer are eliminated through laser and ultrasonic combined melting, and the problems of uneven coating and accumulation and bubbling are avoided.

The invention provides a coal storage temperature detection method and device, electronic equipment and a storage medium. An ultrasonic generator is arranged on the upper portion of the ground of a coal yard and transmits an ultrasonic signal to a coal pile; an ultrasonic signal receiver is arranged at the lower part of a ceiling of a coal yard to receive an ultrasonic signal penetrating through a coal pile and obtain propagation time and energy attenuation information of the ultrasonic signal, and temperature distribution of each area in the coal pile can be calculated based on the propagation time and the energy attenuation information in combination with a preset corresponding relation between ultrasonic sound velocity and temperature; and when the temperature of any area of the coal pile exceeds the preset coal ignition point threshold value, an alarm signal is triggered and position information of the corresponding high-temperature area is output, so that the problems that in the prior art, due to the fact that heat cannot be dissipated in time after coal is stacked, temperature distribution conditions of the middle and lower layers of the coal seam are difficult to master and early warning cannot be performed in time are solved. The spontaneous combustion of the coal is easily caused.

The invention relates to a cleaning device for a high-purity copper sputtering target, which is characterized in that the high-purity copper sputtering target is placed in a cleaning tank, a transducer is arranged at the bottom outside the cleaning tank, the transducer is connected with an ultrasonic generator, and deionized water and an organic solvent are used for ultrasonic cleaning to remove particles and organic matters on the surface of the high-purity copper sputtering target. The high-purity copper sputtering target material is placed on the movable supporting structure, the movable supporting structure not only can change the contact part with the high-purity copper sputtering target material to avoid the existence of a cleaning blind area, but also enables the high-purity copper sputtering target material to move in the cleaning tank, so that the cleaning effect is improved.

The utility model relates to the technical field of crystals, and particularly discloses a crystal mechanical parameter measuring device. The device comprises an ultrasonic generator, an ultrasonic probe, a thickness measuring piece and a controller. The to-be-detected crystal comprises a first side and a second side which are opposite, the ultrasonic generators are distributed on the first side, and the ultrasonic probes are distributed on the second side and used for receiving ultrasonic signals sent by the ultrasonic generators; the thickness measuring piece is used for measuring the thickness of the to-be-measured crystal; the controller is electrically connected with the ultrasonic probe and the thickness measuring piece. According to the crystal mechanical parameter measuring device, the mechanical parameters of the to-be-measured crystal can be measured in an ultrasonic measuring mode, the measuring precision is high, the measuring method is simple, the measuring efficiency is high, and the to-be-measured crystal cannot be damaged.

The invention relates to the technical field of graphene powder cleaning equipment, in particular to mixed powder cleaning equipment which is used for removing target powder in mixed powder and comprises a base, a cleaning barrel, an ultrasonic transducer, a clamping and fixing device, a liquid supply device and a cleaning device, and the clamping and fixing device, the liquid supply device and the cleaning device are arranged on the base. The cleaning barrel is used for containing mixed powder and detachably connected to the base through the clamping and fixing device, the liquid supply device is used for inputting cleaning liquid into the cleaning barrel, the cleaning device comprises a stirring mechanism used for stirring the mixed powder and the cleaning liquid, and the ultrasonic transducer is arranged on the clamping and fixing device. And an ultrasonic generator that emits ultrasonic waves when the mixed powder and the cleaning liquid are mixed so that the target powder is ultrasonically separated from the composite powder and dissolved in the cleaning liquid. According to the technical scheme, the effects that water is sufficient, water resources are not wasted, target powder is rapidly and fully dissolved, and the to-be-recycled powder is not damaged can be achieved, the high recycling quality is guaranteed, and then the effect of improving the cleaning efficiency is achieved.

The invention discloses a coal underground efficient gasification method based on calcium-based catalyst injection and a carbon dioxide geological storage method. The calcium-based powder material adopts high-purity limestone, wherein the content of calcium oxide is greater than 50%. The method comprises the following steps: crushing a limestone raw material into micron-scale to nano-scale powder, putting the powder into a stirring device, mixing the powder with a coal underground gasification injection agent to obtain a suspension fluid, and injecting the suspension fluid into a coal underground gasification furnace which is in production; calcite minerals in limestone are decomposed into calcium oxide under the coal underground gasification high-temperature effect, and the calcium oxide adsorbs water and carbon dioxide to the surface of coal coke to generate a synergistic gasification reaction at the same time. Wherein the injectant and the calcium-based powder suspension fluid are prepared by adopting a foam suspension device provided with an ultrasonic generator, so that the suspension stability of the calcium-based powder in the suspension fluid is improved. According to the invention, the calcium-based material is injected into the coal underground gasification furnace as the catalyst, so that the moisture, carbon dioxide and carbon in the coal are subjected to co-gasification reaction, the coal underground gasification reaction rate and gasification efficiency can be obviously improved, the environmental pollution is reduced, and the maximum utilization of resources is realized.

The invention discloses dicing equipment for cake production and a using method thereof, and relates to the technical field of dicing equipment, the dicing equipment comprises a dicing box, a setting box and supporting plates, and the two sides of the top of the dicing box are fixedly connected with the supporting plates. Through the arrangement of the dicing box, the setting box and the supporting plate, automation and intelligence of cake dicing operation are achieved, cameras on the front face and the back face of the dicing box can obtain image information of cakes in a processing chamber in real time, the dicing operation process and the cake state are effectively monitored, the dicing precision and the product quality are ensured, and meanwhile the production efficiency is improved. An angle changing assembly on a supporting frame can flexibly adjust the angle of a hydraulic cylinder, so that different dicing requirements are met, a cutting tool bit is movably connected with a metal sleeve through an electromagnet, rapid replacement and fixation are facilitated, an ultrasonic generator in a tool fixing box transmits vibration energy to the cutting tool bit through a transmission rod, and the cutting tool bit is more convenient to use. And ultrasonic cutting is achieved, and then the effect of improving the working efficiency and the cutting quality can be achieved.