1814 results about "Solid material" patented technology

A building module for use in construction of a building comprising a deck oriented in a horizontal plane and a plurality of hollow structural members extending downwardly from around a periphery of the deck. A method of constructing a building comprising placing a plurality of modules according to a floor plan to form a story of the building, pouring flowable medium that sets to a become a solid structural material into the hollow structural members of the plurality of modules to form structural columns, pouring flowable medium that sets to a become a solid structural material onto the decks of the plurality of modules for form structural slabs, and allowing the structural columns and structural slabs to set to complete the story of the building.

The embodiment of the invention relates to the field of separation of particles from liquid or separation of liquid from solid, in particular to a solid-liquid separation device beneficial to improvement of separation efficiency, comprising: a centrifugal assembly for separating a solid-liquid mixed material into liquid and a solid material; the liquid inlet and outlet assembly is used for allowing solid-liquid mixed materials to enter the centrifugal assembly and allowing separated liquid to flow out of the centrifugal assembly; the collecting piece is used for collecting the separated solid materials; the driving assembly is used for driving the centrifugal assembly to rotate relative to the liquid inlet and outlet assembly, so that the solid-liquid mixed materials are separated; wherein the centrifugal assembly comprises a plurality of centrifugal units which are arranged in a stacked mode in the axial direction, each centrifugal unit separates the solid-liquid mixed materials through rotation, the solid-liquid mixed materials entering the centrifugal assembly can be distributed to the multiple centrifugal units, and the solid-liquid mixed materials are separated through the multiple centrifugal units at the same time. According to the solid-liquid separation device provided by the embodiment of the invention, the separation efficiency of the solid-liquid mixed material can be improved.

The embodiment of the invention relates to the field of radioactive waste treatment, in particular to a material containing device and curing equipment. The first containing piece and the second containing piece of the material containing device are arranged to be in a detachable and separable form, so that powdery radioactive materials cannot escape from a seam, and meanwhile, after the powdery materials are pressed into solid materials, the first containing piece and the second containing piece can be separated; the solid materials contained in the first containing part can be independently transferred, the material containing device is prevented from being integrally transferred when the solid materials are transferred, and the transferring efficiency of the solid materials is improved. According to the curing equipment, the material containing device is adopted as a material conveying carrier, materials in different stages and states in the curing process can be contained, and leakage of the materials is prevented; meanwhile, in the whole curing process, form transformation of the materials can be achieved without replacing the containing device, the operation process is simplified, material spill caused by replacing the containing device is avoided, and therefore the curing efficiency is improved.

The embodiment of the invention relates to the field of radioactive waste treatment, in particular to material treatment equipment and curing equipment. According to the material treatment equipment provided by the embodiment of the invention, the powdery material in the material accommodating device is converted into a partially molten state through the material treatment device, and the partially molten material is converted into the solid material through the pressurizing device, so that the powdery material can undergo conversion of different states in the material accommodating device; therefore, powdery materials are converted into solid materials convenient to transfer and process, the operation of replacing a container is omitted, and material processing procedures are saved. According to the curing equipment provided by the embodiment of the invention, the sealing device is used for sealing the material treatment equipment, so that the state transition process of the powdery material has better sealing performance and stability, and the stable quality of the produced solid material is ensured.

The embodiment of the invention relates to the field of separation of particles from liquid or separation of liquid from solid, in particular to a solid-liquid separation device, which comprises a shell, a separation device and a control device, the centrifugal assembly is rotatably arranged in the accommodating cavity and is used for separating the solid-liquid mixed material; the liquid inlet and outlet assembly is arranged on the shell and used for allowing solid-liquid mixed materials to enter and allowing separated liquid to flow out of the centrifugal assembly; the collecting piece is arranged in the containing cavity and used for collecting the solid materials; the driving assembly is used for driving the centrifugal assembly to rotate relative to the liquid inlet and outlet assembly so as to separate solid-liquid mixed materials; wherein the shell comprises a shell body and a detachable part detachably connected with the shell body, the shell body and the detachable part jointly form a containing cavity, and when the detachable part is detached from the shell body, the collecting part can be taken out of the shell body. According to the solid-liquid separation device provided by the embodiment of the invention, the separated solid materials can be taken out from the device without disassembling the centrifugal assembly, so that the operation of a manipulator is facilitated.

The embodiment of the invention relates to the field of separation of particles from liquid or separation of liquid from solid, in particular to a solid-liquid separation device convenient for taking out liquid, which comprises a centrifugal assembly, a liquid inlet and outlet assembly, a collecting piece and a driving assembly. The centrifugal assembly is used for separating the solid-liquid mixed material into a liquid material and a solid material; the liquid inlet and outlet assembly is used for allowing solid-liquid mixed materials to enter the centrifugal assembly and allowing separated liquid to flow out of the centrifugal assembly; the collecting piece is used for collecting the separated solid materials; the driving assembly is used for driving the centrifugal assembly to rotate relative to the liquid inlet and outlet assembly, so that solid-liquid mixed materials are separated; the liquid inlet and outlet assembly is arranged to be capable of sucking out liquid separated out by the centrifugal assembly. According to the solid-liquid separation device provided by the embodiment of the invention, the liquid separated by the centrifugal assembly is sucked out through the liquid inlet and outlet assembly, so that the liquid can be prevented from remaining in the solid-liquid separation device, and the separated liquid can be conveniently taken out of the solid-liquid separation device.

The embodiment of the invention relates to the field of separation of particles from liquid or separation of liquid from solid, in particular to a solid-liquid separation device for separating solid-liquid mixed materials into liquid and solid materials. The device comprises a shell which is arranged to form a containing cavity; the centrifugal assembly is rotatably arranged in the accommodating cavity and is used for separating the solid-liquid mixed material into a liquid material and a solid material; the collecting piece is arranged in the containing cavity and used for collecting the separated solid materials; the driving assembly is used for driving the centrifugal assembly to rotate relative to the shell so as to separate the solid-liquid mixed material; wherein the centrifugal assembly comprises a centrifugal shell and a centrifugal main body, the centrifugal shell is arranged to form a centrifugal cavity and a liquid temporary storage cavity which are in fluid communication, and the centrifugal main body is arranged in the centrifugal cavity and arranged to be capable of separating solid-liquid mixed materials and enabling separated liquid to enter the liquid temporary storage cavity. According to the solid-liquid separation device provided by the embodiment of the invention, separated liquid can be conveniently taken out of the solid-liquid separation device.

The invention discloses a packaging method and device of a vertical cavity surface emitting laser, and belongs to the field of semiconductor laser chip packaging processes. The packaging heat dissipation cover is additionally arranged on the top of the VCSEL chip, the VCSEL chip is surrounded up and down by the packaging heat dissipation cover, the supporting connecting block and the bottom heat sink component, and the heat dissipation mode of the top of the device is adjusted from low-efficiency heat radiation to air to heat conduction through a high-heat-conductivity solid material. Compared with the prior art, the heat conduction capability of a medium near the center of a heat source can be effectively improved, and the blocking effect of a top DBR material on heat is remarkably reduced. In addition, the transverse component of heat flow at the top is further increased by using a chamfering structure in the through hole and a two-dimensional transparent heat conduction material, and the efficiency of the heat of the VCSEL chip flowing to the two sides of the top is improved.

The invention discloses a dissolving and mixing device for adhesive production, the dissolving and mixing device comprises a mixing tank, a crushing assembly, a premixing cylinder, a first stirring assembly and a second stirring assembly, and the crushing assembly can perform preliminary crushing treatment on solid materials and liquid raw materials in the mixing tank before the solid materials and the liquid raw materials are mixed. Part of liquid raw materials can be premixed through the premixing barrel and are diffused out of the premixing barrel through the diffusion holes. The solution in the premixing barrel is stirred through the first stirring assembly in the premixing barrel, and the stirring effect on the solution in the premixing barrel can be enhanced. The first stirring rods on the stirring rods and the second stirring rods on the rotating shaft which are vertically arranged at intervals in a staggered manner can generate mutually superposed stirring forces in the stirring process, so that the stirring strength can be further enhanced, solid powder materials are subjected to stronger shearing and collision effects in the stirring process, and the formation of aggregates and cakes is avoided; the dissolving and mixing efficiency and quality of solid materials and liquid raw materials are improved.

Systems and methods capable of processing floating solid materials recovered from a body of water on a vessel are disclosed. In some embodiments, at least first and second debris processors are provided. The first debris processor may be disposed on the vessel between at least one intake opening and at least one discharge port, both of which are fluidly coupled to at least one chamber of the vessel. The second debris processor may be disposed between the first debris processor and the discharge port(s).

Methods involving physics-informed deep learning to help solve inverse problems of solid materials / structures related to unknown geometry include (1) identifying and characterizing unknown materials / structures and defects with accuracy and predictive capability and limited non-destructive measurements, and / or (2) designing geometrical features and parameters of solid materials and structures to achieve optimized and / or improved performance.

The invention relates to a waste photovoltaic panel recycling method which comprises the following steps: crushing a waste photovoltaic panel until the size of the waste photovoltaic panel is 80-160 meshes, and preparing powder; carrying out acid leaching treatment on the powder, and respectively collecting a leaching solution and a solid material; an acid leaching solution adopted in the acid leaching treatment is a mixed acid aqueous solution of hydrochloric acid and sulfuric acid; the pH of the leachate is adjusted to be neutral with an alkaline agent, then the leachate is mixed with metal iron to be subjected to a replacement reaction, and metal copper is prepared; the solid material is mixed with water, hydrofluoric acid and a flotation agent are added into the obtained mixture for flotation treatment, floats and precipitates are collected respectively, the floats comprise silicon powder, the precipitates comprise glass powder, and the flotation agent comprises one or two of hexadecyl potassium hydrogen phosphate and sodium dodecyl sulfate. According to the recycling method, the silicon powder, the glass powder and the metal copper can be comprehensively recycled from the waste photovoltaic panel.

The embodiment of the invention relates to the field of radioactive waste treatment, in particular to a solidification method. According to the method, a conveying and jacking device is used for conveying a material containing device to enable the material containing device to receive powdery materials, a clamping and transferring device and a lifting device are used for conveying the material containing device completing feeding into a material processing device to enable the powdery materials to be partially molten, and a pressurizing device is used for pressing and compacting the partially molten materials; and finally, ingot-shaped solid materials are formed in the material containing device, then the lifting device and the clamping and transferring device are utilized again to transfer the material containing device to the conveying and jacking device so as to transfer the ingot-shaped solid materials, in this way, the process from powder feeding to ingot forming of the materials is conducted in the material containing device, the situation that a material container is replaced in the midway is avoided, and the production efficiency is improved. Operation steps are simplified; and the clamping and transferring device, the lifting device and the conveying and jacking device all participate in the front process and the rear process of material treatment, so that reuse of equipment parts is achieved, and the equipment composition is simplified.

The invention relates to a flowing medium packed bed energy storage system which comprises a storage tank for storing flowing media, the storage tank is connected with a flowing medium loop through a stop valve, the flowing medium loop comprises a flowing medium pump, a heater, a heat accumulator module and a heat exchanger which are sequentially connected through a pipeline, and the flowing medium pump provides power for flowing medium circulation; the heat accumulator module is composed of a plurality of heat accumulator units, and each heat accumulator unit is filled with a solid material. In the heat storage mode, the heater heats the flowing medium from the low-temperature state to the high-temperature state, and then the solid materials filled in the heat storage body units are heated through the heat storage body units. In the heat release mode, the flowing medium is heated from a low-temperature state to a high-temperature state after flowing through the high-temperature solid material, and then heat is released to an external system through the heat exchanger. Efficient heat exchange between a flowing medium and a solid material is achieved through the modular solid filling design, so that the heat storage efficiency of the whole system is improved, and the adaptability and flexibility of the system are enhanced.

The invention discloses a multi-type solid material loading and transporting optimization method and system based on closed-loop adaptive control, and relates to the technical field of automatic closed-loop control or adjusting systems. The method comprises the following steps: acquiring characteristic information of a material; according to the material characteristics, the vehicle load capacity and the volume limit value; the safe loading capacity of the materials is obtained; the calculation method of the safe loading capacity comprises the following steps: if the volume of the material under the vehicle loading capacity is smaller than or equal to the vehicle volume capacity, taking the vehicle loading capacity as the safe loading capacity; and if the volume of the material is larger than the vehicle volume capacity under the vehicle loading capacity, the corresponding material weight at the vehicle volume boundary is reversely deduced to serve as the safe loading capacity, so that the stable support can be provided for the optimal loading scheme under the multi-material and multi-vehicle-type scene, and the system use cost is reduced while the transportation safety and efficiency are greatly improved.

The invention discloses a composite heavy metal adsorbent synthesized through mineral conversion and a preparation method of the composite heavy metal adsorbent, and belongs to the technical field of deep processing of natural nonmetallic minerals and preparation of heavy metal adsorption functional materials, and the main preparation method comprises the following steps: S1, crushing and crushing natural clay minerals, and sieving with a 80-mesh sieve to obtain mineral powder; s2, mixing the obtained mineral powder with a calcium compound, and carrying out ball milling; s3, adding a boron compound, and continuing ball milling; s4, adding water into a solid material obtained by ball milling according to a solid-to-liquid ratio of (1: 5)-(1: 20), putting into a microwave hydrothermal reaction kettle, adding an organic auxiliary agent, carrying out gradient heating to 100-200 DEG C, reacting for 30-120 minutes, then naturally cooling to room temperature, separating, drying and crushing; according to the invention, natural clay raw ore is taken as a raw material, and the borate-silicate composite adsorption material is prepared in a preparation mode of combining solid-phase reaction and microwave hydrothermal treatment, so that high-concentration and low-concentration heavy metal ions are efficiently removed.

The invention discloses a miniaturized sensor for measuring the dielectric constant of a dielectric material, and belongs to the technical field of microwave sensing. The sensor structure comprises a top metal patch signal layer, a middle dielectric substrate layer and a bottom metal grounding layer, wherein the top-layer metal patch structure comprises five parts, namely a 50-ohm microstrip line, a 1 / 4 wavelength impedance change line, a coplanar waveguide with a coupling slot, a substrate integrated waveguide and a sensing unit, and the top layer and the grounding layer are connected through a metalized through hole of the middle layer; and a complementary split-ring resonator sensing unit of a stepped impedance fractal structure is etched on the top metal layer and is used as a sensing area for placing a solid material for dielectric constant measurement. According to the sensor, the purpose of miniaturization of the sensor is achieved through loading of the resonant ring unit, the measurement sensitivity is high, the measurement error is small, and the sensor is suitable for dielectric constant measurement of dielectric materials.

The invention relates to the field of strip steel material coating liquid, and discloses production equipment for strip steel material surface coating liquid, which comprises a support table, a reaction kettle is fixedly connected in the support table, the bottom end of the reaction kettle is fixedly connected with a discharge port, and the upper surface of the support table is fixedly connected with a liquid tank. A first supporting frame is fixedly connected to the upper surface of the supporting table, a solid stock bin is fixedly connected to the interior of the first supporting frame, a conveying pipe is fixedly connected to the bottom end of the solid stock bin, a feeding port is fixedly connected to the outer wall of the conveying pipe, and a first motor is arranged at one end of the conveying pipe. Through vibration of the vibration bin and the sieve plate thereof, material caking is effectively prevented, it is ensured that materials smoothly and continuously flow into the reaction kettle, blockage and feeding interruption are avoided, dispersion uniformity and dissolution and reaction efficiency of the materials are improved, stirring and mixing time is shortened, and energy consumption is reduced.

The invention relates to the technical field of turpentine processing, in particular to a turpentine continuous melting and clarifying processing device and method.The turpentine raw material is put into a feeding cylinder, piled in an inclined scattering cylinder, subjected to axial autorotation along with the feeding cylinder, discharged downwards and distributed in all areas in a dissolving tank, and after dissolving is completed, the turpentine raw material is poured into the feeding cylinder to be subjected to continuous melting and clarifying processing. When the telescopic part drives the sieve plate to move upwards until the bottom end of the movable cylinder abuts against the sieve plate, the sieve plate axially rotates along with the feeding cylinder and drives the movable cylinder to axially rotate, so that the material leakage port and the material scattering port are staggered, the movable cylinder rolls solid matters in the circumferential direction of the sieve plate, and the resin liquid is discharged into the clarifying tank along the liquid leakage pipe while slag is discharged from the slag outlet; after grease water in the clarification tank is layered, most of the water layer is discharged, the grease water is put into the feeding cylinder for circular treatment, and the steam injection system and the emptying pipe in the clarification tank are opened for distillation treatment, so that the continuous processing efficiency is further improved.

The invention discloses an inorganic solid material analysis system and method, and relates to the technical field of material analysis, the inorganic solid material analysis system comprises an oxygen-nitrogen-hydrogen analyzer, a first robot, a second robot, a sample preparation clamp, a sample preparation driving device, a deoiling container, an air blower, a sample disc, a cleaning dust removal assembly and a controller; the first robot can insert one end of a rough blank of a to-be-processed sample into the sample preparation clamp, and the first robot can take out the to-be-analyzed sample from the deoiling container, move the to-be-analyzed sample to the air blower and place the to-be-analyzed sample into the sample disc; the second robot can take out a to-be-analyzed sample from the sample disc and put the to-be-analyzed sample into the oxygen-nitrogen-hydrogen analyzer, the second robot can move away an old crucible on a lower electrode of the oxygen-nitrogen-hydrogen analyzer, and the second robot can move the cleaning and dust removing assembly into a hearth or the lower electrode of the oxygen-nitrogen-hydrogen analyzer; the second robot can place the new crucible on a lower electrode of the oxygen-nitrogen-hydrogen analyzer; according to the invention, manpower can be effectively saved, and personnel safety is ensured.

The invention relates to the field of asphalt production equipment, in particular to an ultrathin bridge deck pavement high-performance asphalt mixture production device and process, and the ultrathin bridge deck pavement high-performance asphalt mixture production device comprises a mixing barrel which is connected to a base; the top and the bottom of the mixing barrel are respectively connected with the barrel cover and the discharge pipe; a mixing mechanism and a plurality of solid material feeding ports are arranged on the barrel cover, and the mixing mechanism is inserted into the material mixing barrel; the mixing mechanism is connected with a power mechanism arranged on the barrel cover; a matrix asphalt spraying mechanism is connected into the discharging pipe; the upper end of the matrix asphalt spraying mechanism is inserted into the mixing barrel; a heating mechanism is arranged at the bottom of the mixing barrel. The matrix asphalt spraying mechanism is arranged below the mixing barrel, and matrix asphalt can be sprayed into the mixing barrel through the matrix asphalt spraying mechanism, so that the matrix asphalt is headed and mixed with various fixed reinforcing materials falling from top to bottom, and the mixing uniformity of the fixed reinforcing materials and the matrix asphalt is improved.

The invention provides a long-time scale solid surface aging characteristic analysis method and system and electronic equipment, and relates to the technical field of insulation material aging. The method comprises the following steps: preparing a material sample; preparing a solid material sample with good anti-aging performance under a specific working condition according to a material chemical theory and experience; obtaining a solid surface appearance by a high-precision microscope; carrying out accelerated aging on the material at a constant temperature for a certain time; solid surface features including roughness and fractal indexes under different accelerated aging time are extracted, edge curvilinear equation fitting is carried out, and an aging feature curve is generated, so that an aging behavior prediction result is obtained, continuous monitoring and accurate analysis of the solid surface aging process are realized, and the aging behavior prediction accuracy is improved. Through continuous monitoring of the multi-time-node accelerated aging experiment, aging full-period coverage and multi-dimensional data fusion are realized, data accuracy and aging identification precision are improved, and aging behavior prediction precision is improved.

The invention discloses a dynamic rotational flow stirring fluidized bed and a method for preparing a silicon-carbon negative electrode material. The dynamic rotational flow stirring fluidized bed comprises a reaction cylinder, a dynamic stirring mechanism and a rotational flow type gas distributor, and the reaction cylinder is provided with a solid material inlet, a gas outlet and a heater; the dynamic stirring mechanism comprises a connecting seat, a stirring shaft which rotates in a sealing manner in the connecting seat, a servo gear motor for driving the stirring shaft, and a stirring paddle fixed at the upper end of the stirring shaft; the spiral-flow type gas distributor comprises a gas distribution sleeve which is coaxial with the stirring paddle and a branch pipe arm which is communicated with the upper end of the gas distribution sleeve; the branch pipe arm inclines upwards and the root part is communicated with the gas distribution sleeve; detachable upper nozzles are arranged on the upper side wall of the branch pipe arm at intervals, and detachable lower nozzles are arranged on the lower side wall of the branch pipe arm at intervals; air outlet holes communicated with the distribution sleeve are uniformly distributed in the circumference of the stirring shaft; and a central shaft hole communicated with the air outlet hole is formed in the stirring shaft. According to the invention, the dead zone can be eliminated, and the fluidization reaction efficiency and quality can be improved.

The invention discloses a peristaltic pump and a material mixing method of the peristaltic pump. The peristaltic pump comprises a driving assembly, a pump head and an elastic hose, the elastic hose is installed in an annular groove in the pump head, and the rolling wheel in the pump head is driven by the driving assembly to rotate so as to extrude the elastic hose. The pump head comprises a pump shell and a planetary gear, the annular groove is located in the inner side of the pump shell, a gear ring of the planetary gear is fixed in the pump shell, a sun gear and at least three planetary gears are arranged on the inner side of the gear ring, a planetary shaft of each planetary gear extends upwards, each planetary shaft is sleeved with a rotatable idler wheel, and the idler wheels are arranged on the outer side of the pump shell. The sun wheel is driven to rotate through the driving assembly, and then all the planet wheels drive the corresponding rolling wheels to extrude the elastic hose. According to the peristaltic pump, the function of mixing solutions and the function of mixing the solutions with powder materials and solid materials are added, and the technical defects of an existing peristaltic pump are overcome.

The embodiment of the invention relates to the field of radioactive waste treatment, in particular to curing equipment. According to the curing equipment provided by the embodiment of the invention, the powdery materials are conveyed into the material containing device through the vacuum feeding device, and the material containing device is transferred to the lifting device through the clamping and transferring device, so that the material containing device is conveyed into the material processing device through the lifting device; the sealing device is used for sealing the material treatment device, so that the material reaction process is carried out in an environment with relatively good sealing performance; the pressurizing device is used for compacting the materials so as to obtain solid materials which are easier to transfer and process compared with powdery materials; the vacuum feeding device, the conveying and jacking device, the clamping and transferring device, the lifting device, the material treatment device and the pressurizing device are fixed to different positions of the body, enough space is provided for all treatment links of materials, the operation sequence of curing treatment is met, the process is simplified, and the treatment efficiency is improved.

The invention discloses a ternary positive electrode material, a preparation method thereof and an electrochemical device, and the preparation method comprises the following steps: mixing a nickel-cobalt-manganese precursor and a lithium source, and carrying out primary sintering to obtain a base material; mixing the base material, lithium aluminum titanium phosphate and water at the temperature of 10-20 DEG C, and carrying out filter pressing to obtain a solid material; the solid material and lithium phosphate are mixed and subjected to secondary sintering, so that a composite coating layer is formed on the surface of the base material, the composite coating layer comprises titanium aluminum lithium phosphate and lithium phosphate, and the ternary positive electrode material is obtained. By means of low-temperature washing and composite coating, the conductivity and cycling stability of the ternary positive electrode material are improved.

The invention provides an environment-friendly gas arc characteristic simulation method considering ablation influence. The method comprises the following steps: establishing a geometric model of switch equipment filled with C4F7N environment-friendly mixed gas; calculating thermodynamic parameters and transport coefficients of the C4F7N environment-friendly mixed gas in different proportions; calculating the change of the diameter of the nozzle of the switch equipment according to the steam mass of the solid material generated by ablation; and according to the deformed geometric structure of the switchgear, repeating the geometric model establishment step and the arc arcing and post-arc recovery characteristic determination step, and evaluating the influence of solid component material ablation on the breaking capacity of the switchgear. According to the method, the optimized and improved MHD model is adopted to simulate the whole-process arc characteristics of the C4F7N environment-friendly gas switch, the spatial and temporal distribution characteristics of a gas flow field, a pressure field, a temperature field, an electric field and the like in the arc extinguish chamber in the on-off process are obtained, and data support is provided for designing, researching and developing switch equipment such as a C4F7N environment-friendly gas circuit breaker and the like.

The embodiment of the invention relates to the field of separation of particles from liquid or separation of liquid from solid, in particular to a solid-liquid separation device convenient for taking out solid materials, which comprises a centrifugal assembly, a liquid inlet and outlet assembly, a collecting piece and a driving assembly. The centrifugal assembly is used for separating the solid-liquid mixed material into a liquid material and a solid material; the liquid inlet and outlet assembly is used for allowing solid-liquid mixed materials to enter the centrifugal assembly and allowing separated liquid to flow out of the centrifugal assembly; the collecting piece is used for collecting the separated solid materials; the driving assembly is used for driving the centrifugal assembly to rotate relative to the liquid inlet and outlet assembly, so that solid-liquid mixed materials are separated; the centrifugal assembly and the driving assembly are arranged to drive the separated solid materials to enter the collecting piece. According to the device provided by the embodiment of the invention, solid materials can be prevented from being left in the centrifugal assembly, the subsequent centrifugal effect is prevented from being influenced, and the separated solid materials can be conveniently taken out.

The invention relates to a method for regulating and controlling atomic scale silicon-silicon and aluminum-aluminum interface thermal conductance. The method comprises the following steps: (1) establishing a silicon-silicon and aluminum-aluminum molecular dynamics thermal transport model consisting of a hot area and a cold area; (2) executing molecular dynamics simulation and data processing: (1) determining a dependency relationship of interface thermal conductivity on a torsion angle; (2) determining the influence of the overlapping area of the phonon state density on heat transport in different interface contact states; (3) revealing the internal reason of the interface contact state influencing the interface thermal conductivity; (4) determining the dependency relationship of the system temperature on the interface thermal conductance; and (5) calculating the overlapping area of the phonon state density, the phonon number and the phonon participation rate at different temperatures to reveal the internal mechanism that the system temperature affects the interface thermal conductivity. According to the invention, research on silicon-silicon and aluminum-aluminum interface heat transport is carried out based on the torsion angle and temperature, and an important basis is provided for understanding an internal mechanism of heat transfer of solid materials with different contact interfaces and searching an effective method for controlling interface heat conduction.

The invention discloses digital intelligence powder type distribution-free variable viscosity fracturing fluid skid-mounted equipment and a control method thereof, and belongs to the technical field of oil and gas field development. The equipment comprises a stirring mechanism, a feeding mechanism, a water feeding mechanism and a discharging mechanism which are centrally controlled through a control box. The feeding mechanism adopts a first screw conveyor to convey solid materials to the stirring tank body; the water supply mechanism supplies water to the tank through a water supply pump and a water outlet pipe with an electromagnetic valve, and the water quantity is monitored by a water inlet flow sensor; the discharging mechanism outputs the mixed liquid through a discharging pump, and the viscosity of the fracturing fluid is detected in real time through a viscosity sensor. The control box is connected with all the sensors and execution components, and automatic adjustment and closed-loop control of the material proportion are achieved by collecting flow and viscosity data. According to the invention, accurate and automatic preparation of the fracturing fluid is realized, the problems of inaccurate traditional manual proportioning and poor stability are effectively solved, and the fluid preparation quality and the operation efficiency are remarkably improved.