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205 results about "Microwave power" patented technology

Low-temperature vacuum microwave freeze-dried sinomenine hydrochloride preparation and preparation method thereof

The invention discloses a low-temperature vacuum microwave freeze-dried sinomenine hydrochloride preparation and a preparation method thereof in the technical field of pharmaceutical preparations, and solves the problems of long drying time, high energy consumption and poor product stability in the traditional freeze-drying technology. A vacuum microwave collaborative freeze-drying technology is adopted, microwave internal heating is achieved through a 2.45 GHz magnetron microwave generator and a rectangular waveguide tube under the conditions that the vacuum degree is 20-30 Pa and the plate layer temperature ranges from-40 DEG C to-35 DEG C, the microwave power density in the primary drying stage ranges from 0.3 W / g to 0.5 W / g, the microwave power density in the secondary drying stage ranges from 0.1 W / g to 0.3 W / g, and collaborative control over the microwave power, the vacuum degree, the temperature and the time is achieved in cooperation with a quaternary coupling precise control system. The preparation contains 50 mg of sinomenine hydrochloride, 100 mg of mannitol and 10 mg of sodium carboxymethyl cellulose grafted modified polyvinylpyrrolidone, the residual moisture is controlled to be 0.4-0.6%, the activity retention rate is 94-96%, and the drying time is shortened to 12-16 hours.
Owner:HUNAN ZHENGQING PHARM GRP CO LTD

Plasma processing apparatus

A plasma processing apparatus includes a process container, a power supply configured to supply radio frequency or microwave power for generating plasma in the process container, a plurality of gas nozzles, each having a gas flow passage therein, and a plurality of protrusions formed integrally with a ceiling wall and / or a sidewall that defines the process container, the plurality of protrusions protruding from the ceiling wall and / or the sidewall. Each of the plurality of protrusions has a gas hole at a leading end of the protrusion. The ceiling wall and / or the sidewall has recesses in which the plurality of gas nozzles is arranged, respectively, such that the gas flow passage of each of the plurality of gas nozzles communicates with the gas hole of each of the plurality of protrusions.
Owner:TOKYO ELECTRON LTD

Method for regulating and controlling plasma in MPCVD cavity based on distributed antenna array

The invention discloses an in-cavity plasma regulation and control method based on a distributed antenna array MPCVD, and relates to the field of plasma regulation and control, and the method comprises the steps: building a multi-source MPCVD reaction cavity which comprises a microwave incident structure, a distributed regulation structure and a multi-source MPCVD reaction cavity; the distributed adjustment structure comprises a plurality of plasma regulation and control parts which are arranged at equal intervals; each plasma regulation and control part comprises an antenna knob, an inner conductive antenna and a choke structure; microwaves are input through the microwave incidence port, the microwave power and the air pressure in the reaction cavity are adjusted to numerical values suitable for diamond growth, and the plasma is stabilized; detecting the surface temperature distribution of the mapping substrate, and judging the plasma discharge uniformity; according to the invention, the electric field in the cavity is changed by adjusting the length of the feed antenna, so that the uniformity of plasma discharge is regulated.
Owner:NINGBO CRYSDIAM INDUSTRIAL TECHNOLOGY CO LTD

Multistage heat pump coupling microwave desorption system

The invention relates to the technical field of industrial VOCs treatment, in particular to a multistage heat pump coupling microwave desorption system which comprises a microwave targeted preheating module, a heat pump gradient heating module, a low-pressure desorption environment construction module and a waste heat recovery network. The heating device is used for selectively heating a VOCs enrichment area; the heat pump gradient heating module adopts a multi-stage heat pump system, the adsorbent is heated to 130-160 DEG C from 70 DEG C in a gradient manner, and the heating rate is 8 DEG C / min; the low-pressure desorption environment construction module is used for designing a negative pressure pipeline based on the Venturi effect to form a-1.5 kPa desorption environment; and the waste heat recovery network comprises a plate heat exchanger and a heat pump evaporator and is used for realizing efficient recovery of desorption waste gas waste heat. The gradient activation composite zeolite rotating wheel and the AI dynamic regulation and control platform are matched, real-time optimization of microwave power, heat pump output and negative pressure parameters is achieved, and the device is suitable for treatment of high-concentration VOCs in the industries of coating, rubber, printing and the like.
Owner:DEZHOU GUANGYUAN ENVIRONMENTAL PROTECTION TECH

Method for reducing silicon inclusion defect in silicon carbide single crystal

The invention provides a method for reducing silicon inclusion defects in silicon carbide single crystals, which comprises the following steps of: A) carrying out microwave sintering on silicon carbide powder under a vacuum condition and a protective atmosphere before the silicon carbide powder grows silicon carbide crystals; the microwave sintering comprises a first stage, a second stage and a third stage; in the first stage, the silicon carbide powder is heated to the temperature T1 from the room temperature with the microwave power P1, and heat preservation is conducted for t1 time at the temperature T1; in the second stage, the silicon carbide powder is heated from the temperature T1 to the temperature T2 at the microwave power P2; in the third stage, the temperature T2 is kept constant at the microwave power P3, and heat preservation is conducted for t2; p2 > P1, and P3 < = P2; t1 ranges from 300 DEG C to 600 DEG C, and T2 ranges from 1400 DEG C to 1800 DEG C; and B) washing and drying the silicon carbide powder subjected to microwave sintering. The method provided by the invention effectively improves the defect of silicon wrappage directly generated due to rich Si in a gas phase in the growth process.
Owner:BEIJING TIANKE HEDA SEMICON CO LTD +1

Microwave control method, device, apparatus and storage medium

The present application relates to the technical field of microwave control, and discloses a microwave control method, device, equipment and storage medium, the method comprising: obtaining a plurality of preset input microwave powers and establishing a plurality of corresponding dynamic matrices; obtaining an actual input microwave power and obtaining a plurality of corresponding power deviations from the preset input microwave powers; obtaining a weight factor according to the power deviations, and obtaining a dynamic matrix of the actual input microwave power according to the weight factor and the plurality of dynamic matrices; and establishing a prediction model to dynamically predict and control microwave heating of a sample to be heated. The present application determines the dynamic matrix of the actual input power according to the dynamic matrix of the preset input microwave power, establishes a prediction model, and realizes dynamic prediction and control of microwave heating, thereby solving the problem of uneven temperature distribution of heated materials in microwave heating, and the problem of hot spots in local areas, improving the efficiency of the microwave heating process, and realizing control of the heating process.
Owner:SHENZHEN CSL VACUUM SCI & TECH CO LTD

Modified fluorogypsum-based fireproof coating for steel structure and preparation method thereof

The application provides a modified fluorogypsum-based steel structure fireproof coating and a preparation method thereof, and comprises the following steps: 1) mixing and treating carbide slag and fluorogypsum raw materials to obtain a first intermediate; 2) microwave heating treatment of the first intermediate, wherein the microwave heating treatment process comprises primary heating treatment and secondary heating treatment, and a second intermediate is obtained; 3) secondary mixing treatment of the second intermediate and an excitation agent to obtain modified fluorogypsum; wherein the microwave power of the microwave heating treatment is 300W-500W, and the microwave frequency is 2450MHz-2500MHz; the excitation agent comprises at least two of a sulfate, a silicate and a water-soluble aluminum salt. The method eliminates fluorine ions and acidic impurities in fluorogypsum waste residues which are harmful to the human body and the environment, excites the hydration activity of the fluorine ions and the acidic impurities, improves the high-temperature resistance of the fluorine ions and the acidic impurities, and further makes the fluorine ions and the acidic impurities meet the performance requirements of the modified fluorogypsum-based steel structure fireproof coating, and increases the fluorogypsum waste residue consumption path.
Owner:ZHEJIANG WATER HEALER ENVIRONMENTAL TECH CO LTD +1

Symmetrical stacked integrated 10-kilowatt class GaN solid-state microwave power source system

This invention discloses a symmetrically stacked integrated 10,000-watt GaN solid-state microwave power source system. Multiple kilowatt-level GaN power devices are integrated in an array on a stacked microfluidic heat dissipation substrate. An array-type power control unit is connected to each kilowatt-level GaN power device to drive the power devices and control radio frequency signals. A separate microwave source integration unit is connected to each kilowatt-level GaN power device to receive output signals and achieve high-power output for the entire system. The overall solution of this invention adopts a symmetrical stacking structure, symmetrically mirroring and stacking the kilowatt-level GaN power units with the microfluidic heat dissipation substrate. Power combining is performed using a separate structure, ensuring efficient heat dissipation and power output capabilities. This achieves high integration and high reliability of the 10,000-watt solid-state microwave power source, significantly reducing the size of the power source.
Owner:NANJING CLP CORE VALLEY HIGH FREQUENCY DEVICE IND TECH RES INST CO LTD

Preparation method of porous dielectric constant material

PendingCN121793645APolymer scienceThin membrane
The invention discloses a preparation method of a porous dielectric constant material, which comprises the following steps: mixing an organic silicon precursor and a bifunctional organic pore-foaming agent, and depositing on a substrate through a PECVD (Plasma Enhanced Chemical Vapor Deposition) technology to form a SiOCH dielectric film; removing the pore-foaming agent by using microwave treatment, wherein the microwave treatment comprises a pretreatment stage, a main treatment stage and a post-curing stage; in the pretreatment stage, the microwave power is maintained at 300 + / -20 W, the treatment is performed for 60 + / -10 S, and the temperature of the substrate is maintained at 150 + / -5 DEG C; in the main processing stage, the microwave power is maintained to be 500-700W, processing is performed for 60-130 seconds, and the temperature of the substrate is maintained to be 250 + / -10 DEG C; in the post-curing stage, the microwave power is maintained at 300 + / -20 W, the treatment is performed for 20 + / -5 S, and the temperature of the substrate is maintained at 200 + / -5 DEG C. The preparation method of the porous dielectric constant material provided by the invention can promote condensation of silanol groups while efficiently removing the pore-foaming agent, so that the material has high mechanical strength.
Owner:CHONGQING XINLIAN MICROELECTRONICS CO LTD

Preparation method of bismuth nanoparticle material and application thereof

The application provides a preparation method of bismuth nanoparticle material and application thereof, and dissolves bismuth nitrate pentahydrate in ethylene glycol to prepare a solution, then adds nitric acid to accurately adjust the pH value of the solution to 1.0; dissolves sodium citrate in ethylene glycol to prepare a solution; mixes the two solutions and uniformly mixes; transfers the mixed solution to a microwave reaction kettle, and under the condition that the temperature is 110-130 DEG C and the microwave power is 300-500 W, radiates and reacts for 20-40 min; cools to room temperature, and the obtained product is washed by centrifugation with ethanol for multiple times, and dried, to obtain black bismuth nanoparticles. The application accurately controls the acidic environment of the precursor solution by nitric acid, and utilizes the synergistic and co-reduction effect of sodium citrate and ethylene glycol to quickly and controllably reduce Bi 3+ to elemental Bi to form nanoparticles. The application has outstanding advantages in efficiency, controllability, environmental protection and cost.
Owner:NINGDE NORMAL UNIV

Preparation method of ionic liquid

A method of preparing an ionic liquid includes the following steps. A halogen-containing compound is reacted with a first compound to form a second compound. The halogen-containing compound includes a halohydrocarbon, a sulfonyl halide, or a combination thereof. The first compound includes an amine compound having a tertiary amine group, a phosphine compound, or a combination thereof. The second compound includes a first quaternary ammonium salt, a first quaternary phosphonium salt, or a combination thereof. The second compound and a lithium salt are reacted in a microwave device to form a third compound. The third compound includes a second quaternary ammonium salt, a second quaternary phosphonium salt, or a combination thereof. Anions of the second compound and the third compound are different. A microwave power of the microwave device is 700 watts to 1400 watts.
Owner:HON HAI PRECISION INDUSTRY CO LTD +1

Multi-stage microwave enhanced purification process of quartz sand

PendingCN122276763AMicrowave powerPre treatment
This invention discloses a multi-stage microwave-enhanced purification process for quartz sand, belonging to the field of mineral processing engineering technology. The process sequentially includes the following steps: raw material pretreatment, a first-stage microwave-water quenching, flotation separation, a second-stage microwave-water quenching, deep acid leaching, and post-treatment; wherein the microwave power used in the first-stage microwave-water quenching step is lower than that used in the second-stage microwave-water quenching step. This invention, through segmented microwave power design, uses lower-power microwave treatment before flotation to optimize mineral surface properties and improve flotation efficiency; and uses higher-power microwave treatment before acid leaching to enhance the development of internal cracks in the mineral and improve the acid leaching effect, thus synergistically solving the technical contradiction of traditional heat treatment processes that promote flotation while inhibiting acid leaching. This process has the advantages of good purification effect, low energy consumption, and environmental friendliness.
Owner:WUHAN UNIV OF TECH

Accurate temperature control reaction kettle microwave heating system and method thereof

This invention discloses a microwave heating system for a precision temperature-controlled reactor, comprising: a microwave power radiator including at least two antenna units arranged around the reactor for radiating microwave energy into the reactor; a multiplexed feed network having multiple independent branches, each branch connected to one of the antenna units, and configured to selectively direct energy to the corresponding branch and antenna unit according to the frequency of the input microwave; a controllable power source connected to the input of the multiplexed feed network for generating microwave energy with adjustable frequency and power; a stirrer disposed inside the reactor for stirring materials; and a temperature sensor for monitoring the temperature of the materials inside the reactor. The controllable power source is configured to: select and activate different antenna units by adjusting the frequency of the output microwave based on the feedback signal from the temperature sensor and a preset temperature curve, and control the heating intensity by adjusting the power of the output microwave, thereby achieving zoned closed-loop heating of the materials inside the reactor.
Owner:HUBEI CHINA TOBACCO INDUSTRY CO LTD

Processing method of functional beverage containing embryo extract

The invention relates to the technical field of beverage preparation, in particular to a processing method of a functional beverage containing embryo elements, which comprises the following steps: separating corn germs from corn kernels, drying the corn germs, and performing microwave treatment at preset microwave power to obtain inactivated corn germs; when it is judged that preparation of the inactivated corn germs does not meet a preset standard according to the oxidation risk characterization value, preset microwave power is increased or the inactivated corn germs are abandoned; the method comprises the following steps: crushing and breaking walls of inactivated corn germs meeting preset standards to obtain germ powder, and performing enzymolysis treatment on the germ powder to obtain a corn embryo base solution; when it is judged that the preparation of the embryo base solution does not conform to a preset standard according to the curve goodness of fit, the reason that the preparation of the embryo base solution does not conform to the preset standard is determined according to the absorbance; and diluting, homogenizing and sterilizing the corn embryo base solution to prepare the functional beverage containing the embryo. The processing efficiency of the functional beverage is improved.
Owner:GUANGZHOU NEW JOURNEY BIOTECHNOLOGY CO LTD +1

Microwave ore separation device and method capable of being adjusted and controlled in self-adaptive mode

The invention provides a microwave ore separation device and method capable of being adjusted and controlled in a self-adaptive mode, and belongs to the technical field of ore separation. The ore sorting device comprises a conveying assembly and a self-adaptive temperature adjusting microwave heating mechanism. The self-adaptive temperature-adjusting microwave heating mechanism comprises a microwave cavity and a microwave generating assembly, the microwave generating assembly is arranged on the conveying assembly and connected with the microwave cavity, and the microwave cavity is arranged on the conveying assembly so that a conveying belt of the conveying assembly can penetrate through the microwave cavity along a preset path. The microwave generation assembly is used for dynamically adjusting microwave power so as to conduct self-adaptive heating on ore particles with different particle sizes. Dynamic adjustment of microwave power is achieved through the microwave generation assembly according to different particle sizes of ore particles, so that the ore particles with different particle sizes are heated through the microwave cavity, the accurate basis is provided for the subsequent sorting procedure by adopting the fact that the heat absorption capacities of the ore and the waste rock are different, and then the sorting precision is improved.
Owner:NORTHEASTERN UNIV CHINA

Power supply assembly for generating a plasma, and plasma process system

A power supply assembly includes a plurality of microwave power supplies each designed to generate a microwave power signal for generating a plasma in a plasma process chamber, and a base including an upper face and a lower face. The microwave power supplies being arrangeable as an assembly on the upper face of the base. The base including plug contacts on the upper face, where the microwave power supplies include mating elements which match the plug contacts. The microwave power supplies being pluggable with the mating elements into the plug contacts of the base and being mechanically fastenable. At least one of the microwave power supplies being individually separable from the base while one or a plurality of the microwave power supplies are being operated. The base is designed to be attached with the lower face to a plasma process chamber upper face.
Owner:TRUMPF PATENTABTEILUNG

Bayer process red mud-based composite pellet binder, preparation method thereof and iron ore pellet

PendingCN121674696ASulfonateMetallurgy
The invention belongs to the technical field of metallurgical binders, and particularly relates to a Bayer process red mud-based composite pellet binder, a preparation method thereof and iron ore pellets. The invention relates to a water-based adsorbent, which is prepared from the following components in percentage by mass: 60 to 80 percent of Bayer process red mud subjected to microwave-ultrasonic wave synergistic activation treatment, 10 to 25 percent of superfine slag powder, 2 to 8 percent of nano SiO2 and 1 to 5 percent of mixture of sodium lignin sulfonate and ammonium formate, the parameters of the microwave-ultrasonic wave synergistic activating treatment are as follows: the microwave power is 600 to 1000W, the ultrasonic wave frequency is 30 to 50kHz, and the treatment time is 20 to 40min. Compared with an existing technology of only microwave single activation or red mud-bentonite compounding, in the embodiment of the invention, microwave-ultrasonic wave synergistic activation and a mixture of superfine slag powder-nano SiO2-sodium lignin sulfonate and ammonium formate are introduced into the red mud-based binder in a ternary synergistic manner for the first time; and the problems of activity, strength and grade loss are synchronously solved on the premise of not introducing bentonite.
Owner:CHALCO SHANDONG CO LTD

A microwave heating controllable power source and method for tobacco extraction

This invention discloses a controllable microwave heating power source and method for tobacco extraction, comprising: a microwave power module for generating and modulating microwave energy; a central control module connected to the microwave power module; a sensing and monitoring module connected to the central control module for real-time monitoring of material temperature and stirrer speed; and an auxiliary support module. The central control module is configured to perform closed-loop control of the microwave power module based on temperature data from the sensing and monitoring module and return loss data detected by the microwave power module, thereby executing a customized temperature curve. By integrating microwave power modulation, multi-sensor monitoring, and intelligent control, it achieves precise temperature control, uniform heating, and flexible process adaptation during the tobacco material heating process, significantly improving the extraction efficiency and quality of tobacco aroma substances.
Owner:HUBEI CHINA TOBACCO INDUSTRY CO LTD

A hydrogen ion-rich electron active water device

ActiveCN120736636BHemt circuitsFar infrared
The application provides a hydrogen ion-rich electron active water device, relates to the hydrogen ion-rich electron active water preparation technical field, and comprises an electrolytic cell, a resonant circuit unit, a permanent magnet unit, a resonant cavity, an ultrasonic generator, a nano bubble stabilizing layer, a far infrared radiation plate, a tunable microwave generator and a controller. The parallel titanium-based platinum-plated electrodes in the electrolytic cell are matched with the resonant circuit, the electrolysis efficiency is optimized to generate hydrogen ions, the permanent magnet unit on the outer wall of the electrolytic cell forms a vertical magnetic field, and the electrolysis is assisted to improve the electron activity. The resonant cavity is connected with a water outlet, the ultrasonic generator at the bottom is matched with the inner wall nano bubble stabilizing layer, nano bubbles are generated and stabilized to enhance the water activity, the far infrared radiation plate outside the water outlet pipeline and the downstream tunable microwave generator improve the water structural properties, the controller starts the microwave generator after the ultrasonic generator stops running for a preset period of time, the microwave power is increased when the ultrasonic generator runs for more than the preset time length, the processing effect is dynamically optimized, and the hydrogen ion-rich high-activity electron water is prepared.
Owner:SHANGHAI HYDROGEN VITALITY HEALTH TECHNOLOGY CO LTD

A method for synthesizing multicolored luminescent polymer films using microwave technology

ActiveCN120025477BEasy to preparemild preparation conditionsSilicon moldSilica gel
This invention relates to a method for synthesizing multicolored luminescent polymer films using a microwave approach. The method first involves dissolving acrylamide, ammonium persulfate, and α-thiophenecarboxylic acid trifluoroacetone in a solvent, then refluxing the mixture under microwave power. After cooling to room temperature, polymer A is precipitated with methanol. Polymer A is then dissolved in deionized water, europium nitrate solution is added, the pH is adjusted to neutral, the mixture is shaken, and after standing, polymer B is precipitated with methanol. Finally, polymer B is dissolved in deionized water to obtain a colloidal solution. The colloidal solution is dropped into a silicone mold and dried to obtain the multicolored luminescent polymer film. This invention provides a simple, convenient, and rapid preparation method that does not require inert gas protection and can complete polymerization within minutes, showing broad application prospects.
Owner:FUJIAN NORMAL UNIV

Method for removing coating on inner wall of MPCVD equipment

The invention discloses a method for removing a coating on the inner wall of MPCVD equipment, which specifically comprises the following steps: mixing an alcoholic solution and an aqueous solution, and putting the mixture into a bubbling device; closing a door of the cavity of the MPCVD equipment, and vacuumizing the cavity; opening a hydrogen valve on the bubbling device, enabling hydrogen to enter the bubbling device, enabling the hydrogen to carry the volatilized alcohol-water mixed solution to enter a reaction chamber of the MPCVD equipment, placing a molybdenum sheet on a sample table, starting microwaves, and activating plasmas; the temperature of the molybdenum sheet, the microwave power and the pressure are increased; the microwave and hydrogen valves are closed; the temperature of the molybdenum sheet is reduced; the cavity door of the equipment is opened; according to the method, hydrogen is utilized for bubbling, the aqueous solution with certain volatility is brought into the reaction cavity, the bonding strength of the coating and the inner wall of the equipment is remarkably reduced under the high-temperature condition, and the coating on the inner wall of the equipment can be efficiently removed after simple purging of an air gun.
Owner:ZHONGNAN DIAMOND CO LTD

Impact-resistant aviation protective clothing with aramid fiber honeycomb interlayer and preparation method of impact-resistant aviation protective clothing

The invention relates to the technical field of aviation, and provides a preparation method of impact-resistant aviation protective clothing with an aramid fiber honeycomb interlayer, which comprises the following steps: step 1, preparing an aramid fiber honeycomb core material, soaking aramid fiber paper in a polyimide resin solution with the mass concentration of 5-15%, taking out, and carrying out gradient curing molding at 120-180 DEG C to obtain the aramid fiber honeycomb core material; and 2, modifying the aramid honeycomb core material, immersing the aramid honeycomb core material prepared in the step 1 into a flame-retardant impact-resistant synergistic modification solution, carrying out ultrasonic-assisted immersion treatment for 2-4 hours, then carrying out microwave-assisted drying, and drying for 20-40 minutes under the condition that the microwave power is maintained at 300-500W. Through a synergistic enhancement mechanism of the aramid fiber honeycomb core material and the shear thickening gel, breakthrough improvement of the protection performance is achieved, the self-adaptive rigidity effect is formed by restraining holes and grids of the gel through the honeycomb structure, and the problem of light weight, namely weakening, is effectively solved.
Owner:邦威防护科技股份有限公司

Apparatus for real-time monitoring of evolution of cracks caused by microwaves

PCT designated stageWO2026091674A1Material analysis by transmitting radiationMicrowave - actionMicrowave power
An apparatus for real-time monitoring of evolution of cracks caused by microwaves, comprising a microwave power supply, a microwave generator, a connecting waveguide, a multi-cavity mold, a bearing component, a cutoff waveguide (4), and an image acquisition assembly. The microwave generator is connected to the multi-cavity mold by means of the connecting waveguide; the bearing component is arranged in the multi-cavity mold; the bearing component is used for placing a sample; the bearing component can transmit microwaves; the cutoff waveguide (4) is mounted on the multi-cavity mold; the image acquisition assembly is arranged at an outlet of the cutoff waveguide (4); and the image acquisition assembly is aligned with the sample to acquire an image of the sample. Microwaves are generated by means of the microwave generator and act on a rock sample, such that the rock sample is heated to generate cracks, and the rock sample is photographed in real time by means of the image acquisition assembly, such that the evolution of the cracks of rock during the action of the microwaves can be monitored and recorded in real time, the development and evolution law of the cracks of the rock can be observed in real time, and the volume expansion of minerals can be quantitatively evaluated.
Owner:SICHUAN UNIV +1

A method and system for automatic control of production and processing of a cistanche composite health care product

This invention discloses an automated control method and system for the production and processing of Cistanche deserticola compound health products, relating to the field of health product processing technology. It utilizes terahertz non-destructive testing equipment to examine Cistanche deserticola slices, obtaining their average effective porosity ε, thus accurately quantifying batch-to-batch differences in the natural carrier. Parameters such as liquid viscosity η and effective solute hydration radius R are collected, and a permeability coefficient set (PCS) is calculated and generated to provide an adaptive basis for subsequent permeation. Gas pressure wetting is performed sequentially according to the liquid viscosity η, and the permeation time t for the i-th liquid to be compounded is calculated. i This achieves efficient and controllable deep penetration. Finally, microwave vacuum drying is performed, using the Peckley number (PE) as the control coefficient. The microwave power (W) is adjusted in real time, and the water holding capacity (MC) is monitored until the target water holding capacity (DT) is reached, thus solving the problem of solute migration leading to stratification failure during the drying process.
Owner:GUANGZHOU XINYE AGRICULTURAL TECHNOLOGY CO LTD

Microwave Drying Uniformity Optimization Strategy and Device Based on COMSOL Simulation

This invention discloses a microwave drying uniformity optimization strategy based on COMSOL simulation: S1, establish a three-dimensional numerical simulation model of electromagnetic field and heat, mass transfer and velocity field using COMSOL; S2, COMSOL simulates the model using a preset "constant microwave power strategy"; simulates and analyzes the temperature, moisture distribution and microwave energy absorption law inside the material under constant microwave power; S3, COMSOL simulates the model using a preset "intermittent variable microwave power strategy"; simulates and analyzes the temperature, moisture distribution and microwave energy absorption law inside the material under constant microwave power; S4, verify the accuracy and data consistency of the simulation conclusions of "S2" and "S3" through experiments; if the simulation conclusions and data deviate too much from the experimental conclusions and data, return to "S1" and re-optimize the three-dimensional numerical simulation model; thus achieving a significant improvement in the microwave drying uniformity of raspberry pulp.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Microwave power sensor with high overload level and control method thereof

The application discloses a microwave power sensor with high overload level and a control method thereof. The sensor is composed of a substrate, a coplanar waveguide transmission line, a cantilever beam, a preset anchor point and a capacitor plate. The preset anchor point is arranged between the fixed anchor point of the cantilever beam and the coplanar waveguide transmission line, and the capacitor plate is arranged below the cantilever beam and is arranged on the two sides of the coplanar waveguide transmission line with the preset anchor point. An output end is connected with the capacitor plate for detecting the capacitance. When the microwave signal enters, the capacitance changes, and the power of the microwave signal can be indirectly obtained by measuring the change value. The sensor adopts a variable-length cantilever beam structure, overcomes the problem that the overload power is too small due to the improvement of the sensitivity of the traditional cantilever beam structure, greatly improves the overload power of the sensor, expands the range of the sensor, and due to the increase of the anchor point, the cantilever beam can be protected to a certain extent to avoid the structural collapse caused by the excessive input power.
Owner:NANJING UNIV OF POSTS & TELECOMM

Graphical User Interface for Microwave Oven Parameter Control in Electronic Devices

1. Name of the product in this design: Graphical User Interface for Parameter Control of Microwave Oven in Electronic Equipment. 2. Intended use of this design: for use in an electronic device. 3. The key design features of this product are the interface content within the graphical user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. As is customary, other views are omitted. 6. Purpose of the graphical user interface: Used for displaying and controlling the operation of microwave ovens. 7. The main view is the default interface after powering on; clicking the rectangular frame button in the middle of the main view will enter the changing state view, the dish cooking details interface, which displays the dish name, dish photo, cooking time, temperature, microwave power, fan power, and start button (clicking the start button will start cooking the dish). The specific settings parameters shown on the interface are for illustrative purposes only and are not part of the design elements. This can be understood by referring to the main view reference image and the change state reference image.
Owner:NOPEIN TECH (GUANGZHOU) CO LTD

A deep coal seam permeability improvement system and method based on microwave pre-splitting and directional jetting expansion slit cooperation

The application discloses a kind of based on microwave pre-splitting-directional jet flow slit expansion synergy deep coal seam permeability improvement system and permeability improvement method, belong to coal mine gas extraction permeability improvement technical field.The system of the present application includes high-pressure jet preparation system, multi-frequency microwave generating system and intelligent monitoring control system, high-pressure jet preparation system is mainly composed of superhigh pressure plunger pump, high-frequency pressure stabilizer, directional jet flow casing and directional jet flow nozzle, multi-frequency microwave generating system is mainly composed of multi-frequency microwave emission source, multi-frequency microwave power compensator, inner microwave waveguide tube and microwave energy-gathering radiation head.The present application breaks through the bottleneck of deep coal seam permeability improvement technology through the synergistic effect of "microwave multi-point synchronous preheating seam creation + directional jet flow slit expansion", solves the problem of few initial cracks, inaccuracy of slit expansion direction and poor stability in traditional permeability improvement technology, thereby promoting the construction of deep coal seam fracture network and the improvement of extraction efficiency.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY

Integrated microwave source device

The utility model belongs to the field of microwave devices, and particularly relates to an integrated microwave source device. Comprising a shell, a microwave power supply and a microwave generator, the microwave power supply comprises a high-voltage power supply, the high-voltage power supply comprises an input rectifier module, an inverter module, a transformer module and an output rectifier module which are sequentially connected in series, and the microwave generator comprises a magnetron; a middle partition plate is arranged in the shell, the interior of the shell is arranged in a double-layer mode through the middle partition plate, a first water-air heat exchanger and a fan are arranged on the two sides of the magnetron correspondingly, and a first ventilation opening and a second ventilation opening are formed in the two ends of the middle partition plate correspondingly; and the shell upper layer, the first ventilation opening, the shell lower layer and the second ventilation opening form a circulating air duct. The utility model provides an integrated microwave source device, and aims to solve the problem of poor heat dissipation capability of an integrated microwave source device in the prior art.
Owner:SICHUAN INJET ELECTRIC CO LTD

Magnetic activated carbon composite material based on pyrite cinder and alcohol extraction traditional Chinese medicine residue as well as preparation method and application of magnetic activated carbon composite material

The invention discloses a magnetic activated carbon composite material based on pyrite cinder and alcohol extraction traditional Chinese medicine residue as well as a preparation method and application of the magnetic activated carbon composite material, and belongs to the technical field of solid waste recycling. In order to realize recycling of alcohol extraction traditional Chinese medicine residues and pyrite cinders, the invention provides a magnetic activated carbon composite material based on pyrite cinders and alcohol extraction traditional Chinese medicine residues, and a preparation method of the magnetic activated carbon composite material comprises the following steps: drying, crushing and sieving pyrite cinders, and mixing the sieved pyrite cinders with a hydrochloric acid aqueous solution for reaction to obtain an iron-containing crude solution; cleaning, drying, crushing and sieving the alcohol-extracted traditional Chinese medicine residues to obtain alcohol-extracted traditional Chinese medicine residue powder; and mixing the iron-containing crude liquid and the alcohol extraction traditional Chinese medicine residue powder according to a liquid-solid ratio of (7.5-12.5) mL: 1g, and carrying out pyrolytic reaction under the microwave power of 400-600W while stirring, thereby obtaining the iron-containing traditional Chinese medicine residue powder. The composite material disclosed by the invention not only has good adsorption performance, but also has Fenton-like catalytic performance on high-concentration refractory wastewater, and realizes high-quality recycling of alcohol extraction traditional Chinese medicine residues and pyrite cinders.
Owner:PANZHIHUA UNIV