2139 results about "Liquid medium" patented technology

Provide is a friction pair device comprising a friction pair stationary member, a plurality of micro channels, a Tesla valve structure, and a stress application device. The friction pair stationary member includes a friction pair static surface, which friction pair static surface is provided with a dynamic pressure groove. The dynamic pressure groove includes a dynamic pressure groove bottom. A surface of the dynamic pressure groove bottom is provided with micro-nano scale gaps. A super-lubricant is injected into the gaps to form a super-lubricant layer, allowing liquid medium molecules of a liquid-film to move freely along the dynamic pressure groove bottom. A slip velocity of the liquid medium molecules approaches a moving velocity of a friction pair dynamic surface, a slip length of the liquid medium molecules approaches positive infinity, and a super slip surface is formed on the dynamic pressure groove bottom.

The invention relates to the technical field of battery pack heat management, in particular to a PLC-controlled battery pack heat management device and a PLC control system thereof.The PLC-controlled battery pack heat management device comprises a battery box, a cooling cavity, a temperature control partition plate, exchange holes, a circulating water pipe, an adjusting assembly and a control assembly; the battery box is of a cuboid structure, the cooling cavity is formed in the bottom of the battery box, the temperature control partition plate is installed in the battery box, the exchange hole is formed in the upper face of the cooling cavity, the circulating water pipes are arranged on the two side faces of the battery box, and the adjusting assembly and the control assembly are installed in the temperature control partition plate. A low-temperature liquid medium is introduced into a cooling cavity through a circulating water pipe and then is input into a temperature control partition plate from an exchange port for cooling, and an adjusting assembly arranged in the temperature control partition plate adjusts displacement of an internal telescopic assembly through the temperature of a battery pack, so that the pipe diameter of a cooling flow channel is controlled; and thus, self-adaptive cooling liquid distribution in the whole battery box is realized.

A natural gas filling device reliable in sealing is disclosed. The device is characterized in that the device comprises a liquid filling gun, a liquid receiving component matched with the liquid filling gun and used for filling a gas cylinder with liquid, and a gas returning component communicated with the gas outlet of the gas cylinder; the liquid filling gun is provided with a first outer shell, a first rotating fastener disposed in the first outer shell and connected to the first outer shell and the inner wall of which is provided with a symmetrical spiral groove, a first valve body between the first rotating fastener and the first shell, and a first valve core disposed in the first valve body and containing a liquid inlet and a liquid outlet; and the liquid receiving component is provided with a first shell, wherein the head of the first shell extends into the first rotating fastener and is in sealing match with the tail part of the first valve body, and the periphery of the first shell is provided with a first pivot pin engaged with the spiral groove in the first rotating fastener. The device is convenient in maintenance, replacement and operation of quick-wear parts and convenient to use. The device can be used for other low-temperature liquid media besides LNG and is simple in structure, low in cost, convenient in operation and reliable in sealing.

To provide a composition for chemical mechanical polishing and a polishing method that can effectively suppress contamination of foreign matters during manufacturing and can polish the surface of a semiconductor substrate to a flat surface.SOLUTION: The composition for chemical mechanical polishing according to the present invention contains (A) abrasive grains including silica and (B) a liquid medium, in the (A) component, when the peak intensity of 490 cm-1 derived from a 4-membered ring measured by Raman spectroscopy is x and the peak intensity of 800 cm-1 derived from a multi-membered ring measured by Raman spectroscopy is y, x / y is 4.5 to 6.0, and the (A) component has at least one functional group selected from those represented by the following general formulae (1) to (4), -SO3-M+ (1), -COO-M+ (2), -NR1R2 (3), -N+R1R2R3M- (4).SELECTED DRAWING: None

The present invention provides a method for manufacturing a dried ion exchange membrane that can manufacture a water electrolysis device having suppressed liquid leakage.　The method for producing a dried ion exchange membrane according to the present invention is a method in which a wet ion exchange membrane, which was obtained as a result of an ion exchange membrane that includes a fluoropolymer having ion exchange groups being wetted using a liquid medium, is dried to remove the liquid medium, thereby obtaining a dried ion exchange membrane, wherein the wet ion exchange membrane is dried from a state where the amount of the liquid medium adhering to the surface of the wet ion exchange membrane is 40 g / m2 to 600 g / m2.

The invention relates to the technical field of lubricating oil monitoring, in particular to a compressor lubricating oil online monitoring vibration diagnosis method and system, and the method comprises the steps: obtaining vibration signal data of a compressor bearing, a connecting rod mechanism and a piston assembly and lubricating oil medium parameters, arranging the data according to a time sequence, and generating a lubrication working condition time sequence signal data set; according to the method, through time sequence matching of vibration signal data and lubricating oil state parameters, a lubricating working condition time sequence signal data set is established, and in combination with time window division, the bearing vibration frequency offset, the piston transverse impact amplitude and the connecting rod torsional vibration change rate are extracted; and calculating the viscosity drop rate, the temperature change range and the pollutant particle growth rate of the lubricating oil, screening the correlation trend of the bearing vibration frequency offset before and after the change of the lubricating state, and enhancing the lubricating state recognition capability.

The invention belongs to the technical field of laser measurement equipment, and provides a laser experiment device for measuring laser power reduction in a submerged environment, which comprises an experiment platform, a laser generation system and an experiment system, the experiment system comprises a submerging container and a laser power reduction measuring assembly. A liquid medium is stored in the submerged container, and the sample is submerged in the liquid medium; the laser power reduction measuring assembly is located below the submerging container. Laser emitted by the laser head irradiates a sample in the submerged container, and the laser power reduction measuring assembly is used for measuring the power reduction of the laser penetrating through the liquid medium; as a device for measuring laser reduction, the laser reduction degree of laser power and energy under different liquid media can be explored, the reduction influence of different liquid media on the laser power can be explored, the optimal laser power corresponding to the liquid media can be found, the laser-assisted rock breaking strategy in the drilling process can be correspondingly adjusted, and the drilling efficiency is improved. And effective data can be provided for laser-assisted rock breaking in a liquid environment.

A device and method for delivering biological material and / or synthetic chemistries to a liquid medium comprising securing a capsule to an opening of a container, the capsule comprising a cap portion for securing the capsule to the container and an elongate portion comprising a cavity defined by a frangible bottom, wherein the cavity comprises live biological material therein and a plunger comprising a disrupting mechanism, suspending the elongate portion of the capsule into an interior cavity of the container, depressing the plunger, cutting or disrupting the frangible bottom of the capsule, and releasing the material into the liquid medium.

A method for enhancing hydrogen uptake by cells of an acetogenic bacterium in a culture is provided. The method comprises incubating the cells in a liquid medium supplemented with an external gas mixture, wherein the external gas mixture comprises H2 and CO2; overexpressing an uptake hydrogenase and an associated electron transfer protein in the cells; increasing uptake of the H2 by the cells; and enhancing uptake of the CO2 by the cells. The culture may be a coculture with additional cells of a non-acetogenic bacterium, which produces natively H2 from catabolism of an organic molecule.

The invention discloses a gas pipeline leakage source positioning method, and relates to the field of gas leakage detection. According to the method, acceleration signals and sound wave signals are collected through sensors arranged at detection points, peak value extraction is carried out in respective corresponding frequency domain complex spectrums through data preprocessing, and main frequency signals and frequency multiplication signals are obtained; distinguishing real leakage and interference signals according to the stable frequency integral multiple relation characteristic and time sequence consistency of the two signals; the phase difference is calculated by extracting the phase of the dominant frequency signal and the phase of the corresponding frequency multiplication signal, and the position of the leakage source relative to the detection point is calculated by combining the path sound velocity. The method can capture small distance differences, effectively improves the precision and robustness of leakage positioning, and is suitable for online leakage monitoring and diagnosis of gas or liquid medium pipelines.

The utility model provides a screen mechanism for producing activated aluminum oxide through aluminum ash recovery, and relates to the technical field of aluminum ash recovery. A plurality of grates are arranged on the bracket, a plurality of division bars are arranged between every two adjacent grates, slotted holes are formed in the side walls of the grates and used for containing the ends of the division bars, an upper bag body and a lower bag body are arranged in the slotted holes in the peripheries of the ends of the division bars, and an upper pipeline and a lower pipeline are arranged in the grates and communicated with the upper bag body and the lower bag body respectively. The upper pipeline and the lower pipeline are respectively communicated with different pressure control systems, the pressure control systems control the liquid medium to enter and exit from the upper pipeline and the lower pipeline and control the pressure of the liquid medium in the upper pipeline and the lower pipeline, and each pressure control system comprises a heater which is used for heating the liquid medium and is controlled by an automatic temperature control system. According to the utility model, self-heating can be carried out to dry blocked or attached materials, and the materials are shaken off to realize self-cleaning.

The invention belongs to the technical field of graphite processing, and discloses a production process of large-size isostatic graphite for semiconductors, which comprises the following steps: S1, weighing raw materials such as needle coke and asphalt in proportion, crushing and grinding the raw materials through a crusher to reach the required conditions, then fully mixing the powdery raw materials with liquid asphalt by using a double-shaft kneading machine to obtain a mixture A; s2, filling a mold with the paste material, performing preliminary compaction through a vibration molding machine to prepare a green body, then putting the green body into an elastic mold, putting the elastic mold into an isostatic press, and under the uniform pressure of a high-pressure liquid medium, enabling the green body to be subjected to the same pressure in all directions so as to realize densification molding; through cooperation of structures such as the motor and the moving plate, when the motor is started to crush raw materials, the crushed raw materials on the surface of the sieve plate can be shaken, so that the raw materials cannot be accumulated at a certain position of the sieve plate to affect the screening effect, the raw materials are spread more uniformly, and the screening efficiency is improved.

Systems and methods for measuring water concentration in a liquid medium include a flow cell configured to fluidly couple to a pipe; a light source coupled to a first side of the flow cell; an infrared camera coupled to a second side of the flow cell opposite the first side; and at least one processor and a memory storing instructions that when executed by the at least one processor cause the at least one processor to perform operations. The operations include acquiring one or more images from the infrared camera; detecting water droplets in the one or more images using a trained machine learning model; and determining a concentration of water in the liquid medium based on the detected water droplets.

The invention discloses a uniform electric field cavity design method of a single-mode liquid microwave resonant cavity, and belongs to the technical field of microwave heating. Starting from the dielectric property of a liquid medium, a numerical simulation model of the single-mode liquid resonant cavity is designed, firstly, the dielectric property of the liquid medium is measured through a cooling method, and the thickness of a single-mode microwave heating cavity is determined; further determining the length and the width of the simple model of the microwave resonant cavity through parametric scanning; a tapered waveguide design is further introduced, so that the microwave coverage range is expanded; and finally, determining that the single-mode microwave liquid resonant cavity is suitable for dot frequency or variable frequency through frequency scanning. According to the invention, the optimal cavity size and limitation of the resonant cavity of equipment using microwave energy as energy under a certain frequency can be effectively determined, and the spatial distribution uniformity of the microwave electric field of the microwave liquid single-mode resonant cavity in the resonant cavity can be effectively improved. Technical support is provided for subsequent utilization of microwave energy and development of microwave equipment.

The invention discloses a pulsating pump system, a medical device implantation intervention simulation system and a control method, and relates to the technical field of medical device tests.The pulsating pump system comprises a ventricular simulation cavity, a ventricular intervention simulation cavity, a ventricular intervention simulation cavity, a ventricular intervention simulation cavity, a ventricular intervention simulation cavity and a ventricular intervention simulation cavity, a liquid inlet and a liquid outlet of the ventricular simulation cavity are respectively connected with a liquid inlet pipe and a liquid outlet pipe through one-way valves; the driving assembly is relatively and fixedly connected with the ventricular simulation cavity and is used for driving the diaphragm to do regular reciprocating motion; the flow sensor is connected to the liquid outlet pipe in series and used for detecting the flow velocity of the liquid medium of the circulating system; the pressure sensor is connected to the liquid outlet pipe in series and used for detecting the pressure of liquid at the designated position of the circulating system; according to the pulsating pump system, the medical instrument implantation intervention simulation system and the control method, the physiological waveform in the blood vessel of the human body can be accurately reproduced through closed-loop control.

Systems and methods for delivering a gas, such as nitric oxide, are provided. In some embodiments, systems and methods are provided for delivering a gas, such as nitric oxide, in the form of nanobubbles and / or a dissolved gas using a liquid medium.

The invention discloses a packaging structure and electronic equipment. The packaging structure comprises a substrate, a chip and a heat conduction cover plate, the chip is arranged on the substrate; the heat conduction cover plate comprises a supporting part, a heat conduction part and an annular connecting part, the supporting part surrounds the chip and is fixedly connected with the substrate, the heat conduction part is located on the side, away from the substrate, of the chip, the heat conduction part and the supporting part are mutually fixed to form a containing space, the containing space is used for containing the chip, and the annular connecting part is fixed to the side, away from the supporting part, of the heat conduction part; the outer side wall of the annular connecting part is used for being connected with heat exchange equipment. The heat exchange equipment outputs the liquid medium into the space surrounded by the inner side wall of the annular connecting part through the spray head, the liquid medium circulates between the heat conduction cover plate and the spray head to take away heat generated by the chip, and the liquid medium does not enter the packaging structure to affect the chip, so that the packaging efficiency is improved. The reliability of the packaging structure is improved, and the service life of the chip is prolonged.

The invention belongs to the technical field of pressure analysis, and discloses a pressure analysis method for an external liquid storage structure under the action of an explosive shock wave load, which comprises the following steps: analyzing the dynamic response process of the external liquid storage structure under the action of the explosive shock wave load according to the dynamic response process of a non-liquid-storage structure, and theoretically calculating and solving the dynamic response process of the external liquid storage structure. The displacement and deformation theoretical solution of the external liquid storage structure is obtained, and the calculation time is greatly shortened. The method comprises the following steps: establishing a structural dynamic response theoretical model of an external liquid storage structure under the action of explosive shock wave load, taking a liquid storage container and a liquid medium as the additional mass mw of the structure, determining a structural dynamic response process according to the thickness of a liquid layer and considering the restrictive action time of the liquid medium on structural deformation, and calculating the structural dynamic response by solving a structural displacement solution. The deformation condition of the external liquid storage structure under the action of the explosive shock wave load is obtained, the solving efficiency is greatly improved, and the defects that finite element simulation solving is low in efficiency and long in consumed time are overcome.

The invention discloses a vibration damper piston rod and guider friction force testing device, which comprises a vibration damper cylinder barrel, a piston assembly, a guider, a floating piston, a fixed barrel, a connecting nut and a data acquisition system, and is characterized in that the vibration damper cylinder barrel is used for storing a liquid medium and simulating the internal environment of a vibration damper; the piston assembly comprises a piston rod and can reciprocate along the shock absorber cylinder barrel, the guiders are fixed to the two ends of the shock absorber cylinder barrel to guide and seal the piston rod, the floating piston adjusts the pressure in the shock absorber cylinder barrel through the inflation system, the fixed barrel is matched with the movement range of the piston rod, and the connecting nut is used for being connected with external testing equipment. The data acquisition system monitors displacement, speed and damping force parameters in real time, interference of other parts in the shock absorber is isolated through modular design, and independent testing of a piston rod and a guider friction pair is achieved. The shock absorber cylinder simulates the real working condition, the pressure environment can be dynamically adjusted through combination of the floating piston and the inflation system, and the problem that an existing pressure condition is single is solved.

The invention relates to the technical field of in-situ environment reconstruction, and particularly provides a deep in-situ high-temperature and ultrahigh-pressure environment reconstruction system which comprises a shifting cabin, the shifting cabin comprises a pressure cavity and a temperature control cavity, the pressure cavity is coated with the temperature control cavity, and the temperature control cavity is communicated with the shifting cabin; a pressure sensor and a temperature sensor are arranged in the pressure cavity, the pressure cavity is filled with a liquid medium, and a heating structure is arranged in the temperature control cavity; the push rod is provided with a pressure piston in the pressure cavity; the control part is electrically connected with the heating structure, the push rod, the pressure sensor and the temperature sensor; according to the invention, the deep in-situ high-temperature and ultrahigh-pressure environment can be reconstructed, and an environmental basis is provided for researching the in-situ problem of deep rock mechanics.

A magnetic levitation motor, which comprises a vacuum housing, a rotating shaft, a motor rotor, a motor stator, a magnetic bearing and a cooling unit. A chamber is formed in the rotating shaft and a liquid spraying hole is formed in the upper portion of the rotating shaft, the rotating shaft being rotationally arranged in the vacuum housing. A liquid medium is stored at the bottom portion of the inside of the vacuum housing. The end of the rotating shaft extending into the liquid medium is connected to a rotating body to draw the liquid medium into the chamber; the liquid medium is sprayed out to the inner wall of the housing through the liquid spraying hole; heat generated by the rotor is conducted to the vacuum housing via the liquid medium; a cooling water channel is provided in a wall body of the vacuum housing; and the cooling unit is communicated with the cooling water channel and is used for cooling the vacuum housing. Compared with the prior art, the magnetic levitation motor of the present invention has the advantages of a simple structure, a reliable heat exchange mode, high heat dissipation efficiency, etc., and can effectively solve the heat dissipation problem of motor rotors in vacuum environments.

The invention discloses a GIL / GIS epoxy insulator residual stress suppression method and device based on sound field assisted post-curing, and the main steps are as follows: after the epoxy insulator is cured at a first stage, the curing degree is gt; and the temperature of the liquid medium in the container filled with the liquid medium and the ultrasonic vibration auxiliary curing time are regulated and controlled, and the post-curing process of the GIL / GIS epoxy insulating part is completed, so that the residual stress at the bonding position of the insulator epoxy and the metal is effectively inhibited, and the mechanical property of the epoxy resin insulator is remarkably improved. The mechanical performance of the epoxy insulating part in the gas insulated switchgear under the complex operation condition is improved.

The present invention relates to the technical field of hot stamping steel. Disclosed is a soaking-type stamping method and apparatus for hot-formed steel, comprising the following steps: step 1: transporting a prepared blank into a furnace chamber for austenitizing heating, the blank being made of a hot-formed steel material; and step 2: immersing a lower forming punch into a liquid medium within a tank assembly, and placing the heated blank onto a material support frame by means of a loading manipulator, the tank assembly being internally provided with the liquid medium. A soaking-type stamping method is used in the present invention, which, compared to the direct hot-forming method in the prior art, optimizes the structure of a mold, reduces the machining of water channels in hot stamping devices of the prior art, and shortens the processing cycle and reduces costs while broadening the applicable range of materials, solving the issue of oxide scale on uncoated plates and the lime problem of galvanized steel plates, and having low investment costs and being easily controlled for automation.

The invention discloses a rock internal three-dimensional controllable crack generation device and method based on high-voltage pulse discharge, and relates to the technical field of rock mechanics experiments and engineering. The device comprises a high-voltage pulse discharge system which comprises an electric pulse generator, an electrode and a conductive fixing frame, the electrode is used for being inserted into a to-be-measured rock guide hole and connected with the negative electrode of the electric pulse generator, the conductive fixing frame is used for fixing the to-be-measured rock and connected with the positive electrode of the electric pulse generator, and the electric pulse generator is used for generating high-voltage pulse discharge; cracks are formed in the rock; the track control module is used for controlling the electrode to move in the to-be-detected rock guide hole so as to guide the crack to extend along a preset track; the medium circulation module is used for injecting a liquid medium into the to-be-measured rock guide hole; and the feedback control module is used for monitoring the crack propagation signal and adjusting the discharge parameter according to the monitoring result. According to the method, the controllability of the fractal characteristics of the cracks and the directional expansion of the cracks in a three-dimensional space can be realized.

The invention discloses a nano bubble liquid low-pressure preparation method, a preparation device and a photovoltaic cleaning system.The preparation method comprises the steps that gas and liquid media are input into a jet device, gas and liquid are fed into the Venturi jet device, a primary gas-liquid mixed solution is formed, then the primary gas-liquid mixed solution sequentially passes through a packed tower, a cyclone and a collider, and finally the nano bubble liquid is formed; the preparation device comprises a liquid inlet pipe, a Venturi jet device, a packed tower, a cyclone, a collider and a liquid outlet pipe which are sequentially connected through a pipeline in the flowing direction of the cleaning stock solution. The device has the beneficial effects that multi-stage energy input is realized by superposing energy stage by stage, the defect of insufficient inlet pressure is overcome, and the nano-bubble liquid is stably prepared in a low-pressure environment; a high-pressure condition can be temporarily reached in the device, gas supersaturation and nanobubble nucleation are promoted, a dynamic pressure gradient is formed in the device, and step-by-step energy superposition is facilitated; and after the gas is crushed and refined for multiple times, the energy is superposed step by step through a synergistic effect, and the energy consumption is obviously reduced.

A transport container transports semiconductor wafers. The transport container includes: a mandated 3D printed shape, including a device in a base that is suitable for removing liquid media; and at a surface of the transport container, a coating material configured for protection from chemicals capable of etching the wafers. The coating material is applied by of a low-temperature coating process. The coating material consists of polytetrafluoroethylene, perfluoroalkoxy polymer, or polyvinylidene fluoride. The mandated form of the transport container also includes an integrated workpiece holder for the wafers or carriers for the wafers, configured such that that the wafers to be transported are loadable in standing form. The transport container is configured for a designated transport direction of the transport container in an automatic transport system that runs parallel to a front or rear side of the semiconductor wafers.

To provide: a chemical mechanical polishing composition capable of rapidly polishing a silicon oxide film while suppressing the occurrence of polishing defects during polishing of the silicon oxide film, and also exhibiting excellent polishing characteristics even after storage; a polishing method using the same; and a method for producing abrasive grains that can be used in the chemical mechanical polishing composition.SOLUTION: The chemical mechanical polishing composition according to the present invention contains abrasive grains and a liquid medium. Polymer chains are grafted onto the surface of the abrasive grains through covalent bonding, and the abrasive grains have, on their surface, at least one type of partial structure selected from the group consisting of the partial structure represented by the following general formula (3) and the partial structure represented by the following general formula (4): -NR2R3 (3); and -N+R2R3R4M- (4) (In the formulas (3) and (4), R2, R3 and R4 each independently represent a hydrogen atom or a substituted or unsubstituted hydrocarbon group, and M- represents an anion.)SELECTED DRAWING: None

The invention provides a dynamic heat-water-force coupling test device and test method, and relates to the technical field of rock performance test.The device comprises a sample chamber for containing a rock sample; the heat loading assembly, the pore water pressure loading assembly and the force loading assembly are integrally arranged; the heat loading assembly comprises a heating element and a cooling element so as to simulate an environment in a wide temperature range or under a freezing and thawing cycle condition; the pore water pressure loading assembly is communicated with the rock sample to establish pore water seepage loading; an axial pressure loading element of the force loading assembly applies dynamic axial pressure to the rock sample, and a confining pressure loading element of the force loading assembly applies dynamic confining pressure to the rock sample; the sealing sleeve wraps the rock sample so as to isolate the confining pressure medium from the liquid medium. According to the device provided by the invention, three dynamic loads including the dynamic temperature, the dynamic pore water pressure and the dynamic mechanical stress can be synchronously applied and accurately controlled in a single device, so that a rock sample is subjected to a mechanical test in a vivid dynamic multi-field coupling environment.

The method for separating the iron powder through Bayer process red mud pretreatment comprises the steps that Bayer process red mud slurry and a liquid medium are mixed, and mixed slurry is formed; adding a pretreatment aid into the mixed slurry, and pretreating the mixed slurry to modify the surface property of the red mud iron powder in the mixed slurry or improve the rheological property of the mixed slurry; the pretreated mixed slurry is subjected to rotational flow separation, the red mud iron powder is enriched in a solid enrichment phase obtained through rotational flow separation, and the solid enrichment phase containing the red mud iron powder and a liquid dispersion phase are obtained; separating the solid enriched phase containing the red mud iron powder to obtain iron oxide powder; and recycling the liquid dispersion phase as a liquid medium mixed with the Bayer process red mud slurry. According to the embodiment of the invention, through the synergistic effect of mixing, pretreatment and cyclone separation, the separation efficiency and grade of the red mud iron powder are effectively improved from multiple aspects of physical property adjustment, surface property modification and the like.

The invention provides a wafer stripping device and a control method thereof, and belongs to the technical field of semiconductor processing. The wafer stripping device comprises an ultrasonic water tank, wherein a liquid medium for transmitting ultrasonic waves is accommodated in the ultrasonic water tank; the ultrasonic generator is arranged in the liquid medium, and the radiating surface of the ultrasonic generator faces the top of the ultrasonic pool; the movement mechanism is used for installing the crystal ingot, so that the target end of the crystal ingot faces the ultrasonic water tank, the target end of the crystal ingot is close to the modified layer, the end face of the target end is parallel to the radiating surface of the ultrasonic generator, and the movement mechanism is further used for controllably driving the crystal ingot to rotate in the axial direction of the crystal ingot and move in a reciprocating mode in the horizontal direction; wherein the movement mechanism is used for driving the crystal ingot to rotate at a preset rotating speed and move along the horizontal direction at a preset speed, so that the energy of the ultrasonic generator continuously acts on the modified layer of the crystal ingot to strip the wafer. According to the wafer stripping device, the probability of wafer cracking can be remarkably reduced.