14results about How to "Efficient diffusion" patented technology

The invention relates to an accurate dosing control method and device based on image recognition, and relates to the field of printing and dyeing wastewater treatment.The method comprises the steps that a wastewater area image sequence is collected for wastewater dye migration recognition, and a wastewater dye migration parameter field is obtained; according to the multiple wastewater parameters, the dosing amount is configured, dosing positions are randomly configured for dosing fitness calculation, and the diffusion speed and migration speed of dosing are analyzed for fitness calculation; and adjusting and optimizing the dosing position according to the dosing fitness to obtain an optimal dosing position, and performing dosing control in combination with the dosing amount. According to the method, the technical problem that the wastewater treatment efficiency and the wastewater treatment quality are affected due to non-uniform chemical diffusion caused by the fact that the chemical adding position cannot be accurately adjusted according to the wastewater pollution state and the flowing characteristics in a traditional method can be solved; the scientificity and the accuracy of chemical adding position setting can be improved, accurate feeding and efficient diffusion of chemicals are achieved, and the purification efficiency and the treatment effect of printing and dyeing wastewater are remarkably improved.

The invention relates to an efficient light and superfine powder mixing and stirring device and method.The efficient light and superfine powder mixing and stirring device is characterized in that a guide cylinder, a first stirring device and a second stirring device are arranged in a lower tank body of a mixing tank, an outer shaft and an inner shaft located in the outer shaft are vertically and rotationally installed on the guide cylinder, and the outer shaft and the inner shaft penetrate through the bottom of the mixing tank; the first stirring device is fixedly connected with an inner shaft at the lower end of the guide cylinder, the second stirring device is fixedly connected with an outer shaft of the guide cylinder and installed at the lower end of the first stirring device, the first stirring device is driven by an outer shaft driving device to rotate and stir materials to move, and the second stirring device is driven by an inner shaft driving device to rotate and stir materials to move. The light superfine powder mixing device has the advantages that the mixing efficiency of light superfine powder materials is improved through the first stirring device, the second stirring device and the scraping device, the first stirring device can strongly suspend and stir the materials, the first stirring device, the second stirring device and the scraping plate are all driven by the variable frequency motor, the mixing time is shortened, and the mixing efficiency is improved.

The invention provides a capillary tube array structure, a lithium ion battery and an electrolyte conduction method of the lithium ion battery. The capillary tube array structure is a hollow cylinder; the capillary tube array structure comprises a plurality of capillary tube units which are annularly distributed around the axis of the column body; each capillary unit comprises at least three capillary tubes with different inner diameters, and the inner wall of each capillary tube is subjected to lyophilic modification treatment. According to the capillary tube array structure, the lithium ion battery and the electrolyte conduction method of the lithium ion battery, disclosed by the invention, through cooperative cooperation of at least three capillary tubes with different inner diameters in each capillary tube unit, relatively high transmission of the electrolyte is realized, high-efficiency diffusion after transmission is also ensured, and the pain point of insufficient infiltration of the electrolyte at the top of a high-height battery is solved; the capillary tube array structure applied to the middle of the roll core also has a certain supporting effect, and collapse of a core layer in the middle of the roll core due to the expansion effect in the charge-discharge cycle process of the battery cell can be prevented.

This application provides a highly sensitive and interference-resistant microsensor for ethylene monitoring, comprising a housing and a working electrode, a reference electrode, and a protective electrode disposed within the housing. One end of the housing is a detection tip, and the other end is a mounting end. The detection tip is sealed and filled with a breathable membrane layer. The housing is filled with a composite ionic electrolyte. The detection end of the working electrode is coated with a Pd-based doped composite nanolayer, which is applied to the detection end of a platinum wire substrate using a sputtering process. This application, through improvements to the electrode material, nanocoating process, and electrolyte system, effectively enhances the detection accuracy of the microsensor for ethylene detection, achieving nano-molar level accuracy, while also improving its interference resistance, coating stability, and service life.

The utility model relates to the technical field of plant trapping, and discloses a multifunctional green plant disease and insect pest trapping device which comprises a bottom plate, the left side and the right side of the top end of the bottom plate are fixedly connected with connecting columns, the top end of the bottom plate is fixedly connected with a bearing box, and the top ends of the connecting columns are fixedly connected with outer lantern rings. A luring box is fixedly connected to the top end of the bearing box, a plurality of ventilation holes are formed in the outer wall of the luring box, a conical plate is fixedly connected to the bottom end of the inner wall of the luring box, a killing lamp is installed at the top end of the conical plate, and a storage plate is rotationally connected to the top end of the inner wall of the luring box. According to the pest trapping device, through cooperation of the ventilation holes in the trapping box, the fan and the rotary storage plate, efficient diffusion of attractant smell and uniform throwing of trapping medicine are achieved, the pest trapping capacity is enhanced, trapped pests are killed with the help of the killing lamp, the complete process from trapping to killing is formed, and the practicability of the device is improved.

The invention relates to a hydroxyl-rich defective carbon nitride rare earth adsorbent as well as a preparation method and application thereof. The hydroxyl-rich defective carbon nitride rare earth adsorbent is prepared from the following raw materials: a precursor, alkali metal chloride, ammonium chloride and water, a precursor, alkali chloride, ammonium chloride and water are mixed to obtain a mixture, the obtained mixture is subjected to an ion-induced thermal polymerization strategy, and the hydroxyl-rich defective carbon nitride rare earth adsorbent is prepared and has an expanded nanopore structure; the hydroxyl-rich defective carbon nitride rare earth adsorbent has the advantages of high adsorption capacity, rapid adsorption kinetics, high selectivity and good cycle stability, the recovery efficiency of rare earth ions in ore leaching tail liquid is high, the preparation raw materials are low in price, and the preparation process is simple.

This utility model proposes a waterproof and corrosion-resistant special box for lotus root cultivation, including a box body with an outer layer covering its outer surface; a frame fixedly connected to the bottom of the inner side of the box body, the frame being hollow on the left, right, top, and bottom; several spiked rods fixedly connected to the top edge of the frame body, the spiked rods having pointed tips; a track fixedly connected to the front of the box body, a slider movably connected to the inner side of the track; and the slider movably connected to the front plate of the box body. The advantages of this utility model are: through the coordinated arrangement of the box body, machine body, spiked rods, track, slider, track groove, fasteners, frame, and fertilizer bag, precise fertilization can be achieved: the fertilization depth can be selected according to the lotus root growth stage, with an error of ±2cm; efficient diffusion: the uniformity of liquid fertilizer diffusion in the substrate is improved by 40%; and it avoids the problems of poor diffusion and easy clogging of conventional pipe-based fertilization.

The invention relates to the field of oil refining catalysts, in particular to a high-activity catalytic cracking catalyst, a preparation method thereof and a method for reducing coke yield in catalytic cracking reaction. The catalytic cracking catalyst is prepared from the following components in percentage by weight: 5 to 40 percent of molecular sieve, 5 to 40 percent of clay, 5 to 35 percent of silicon species in terms of SiO2, 30 to 75 percent of aluminum species in terms of Al2O3, 0.5 to 5 percent of stable elements in terms of oxide and 0.5 to 10 percent of active regulating elements in terms of oxide, and is measured by a low-temperature nitrogen adsorption method, the total pore volume of the catalyst is not less than 0.5 mL / g, and the pore volume of pores with the pore diameter of 10-100 nm accounts for 80% or more of the total pore volume; and the micro-reactivity after being treated for 17 hours at 800 DEG C under 100% water vapor is not lower than 50%. The catalyst is high in heavy oil conversion rate, high in light oil selectivity and low in coke yield.

The utility model relates to the technical field of agricultural processing facilities, and discloses agricultural biological type water-soluble fertilizer mixing equipment which comprises a mixing barrel, a support frame arranged on the mixing barrel, a dumping groove arranged between the mixing barrel and the support frame and convenient for dumping a mixture, a driving device mounted on the support frame, a driving shaft arranged inside the mixing barrel, and a stirring device mounted on the driving shaft, according to the utility model, after the mixture is preliminarily stirred by the pre-stirring assembly, the mixture enters the diffusion assembly, and the diffusion assembly utilizes the impact generated by the mixture and the rotating force of the driving shaft to enable the dispersion plate to rotate on the fixed shaft rod through the movable sleeve, so that the mixture is powerfully beaten, and the efficient scattering is realized. By adopting the scattering effect, the quality and efficiency of stirring operation are greatly improved, scattered mixture particles are more uniformly distributed and can be more fully contacted and fused with other components in the subsequent stirring process, and uneven mixing caused by agglomeration is avoided, so that the overall mixing uniformity and stability of the water-soluble fertilizer are remarkably improved.

The invention discloses a thermal diode fabric for personal cooling and a preparation method thereof. The preparation method comprises the following steps: preparing a spinning solution containing heat-conducting particles, a hydrophobic polymer and a cross-linking agent; performing electrostatic spinning in a low-humidity environment to obtain a compact heat transfer fiber membrane layer; carrying out electrostatic spinning in a high-humidity environment by taking the obtained compact heat-transfer fiber membrane layer as a receiving base material to obtain a fluffy heat-insulation fiber flocculus layer; and finally, carrying out cross-linking heat treatment to obtain the thermal diode fabric. According to the preparation method, a simple electrostatic spinning preparation process is utilized, and the fiber material with a double-layer asymmetric density structure is prepared in one step only by regulating and controlling the humidity under the condition that a spinning solution is not changed; the one-way heat conduction effect similar to that of a hot diode is achieved, effective heat dissipation when the human body is in a cold environment and effective heat insulation when the human body is in a hot environment can be achieved, and the skin temperature is kept under the situation that the temperature change difference is large when the human body enters and exits an air-conditioning place in summer.

A large-area ultrathin vapor chamber comprises a cover plate, a bottom plate, a liquid absorption core and a supporting structure, a cavity in a negative pressure state is formed between the cover plate and the bottom plate, and the cavity is filled with a phase change working medium; the liquid absorbing core and the supporting structure are both located in the cavity, the supporting structure adopts a plane silk screen and is used for supporting the cavity, and a steam channel used for steam flowing is formed in the supporting structure; the cavity comprises a heat source area and a heat dissipation condensation area, the phase change working medium evaporates in the heat source area and condenses in the heat dissipation condensation area, and the steam channel extends to the heat dissipation condensation area from the heat source area. The invention also relates to a preparation method of the large-area ultrathin vapor chamber and a battery thermal management system adopting the large-area ultrathin vapor chamber. The heat diffusivity of steam in the vapor chamber and the circulation efficiency of a vapor-liquid working medium can be improved, it is guaranteed that the ultra-thin vapor chamber has good heat transfer performance under the large heat dissipation area, and the ultra-thin vapor chamber belongs to the technical field of heat dissipation components.

The invention discloses an alumina ceramic ball with a communicated micropore structure and a preparation method and application thereof, and relates to the technical field of catalyst carriers. The ceramic ball takes aluminum oxide as a main raw material, and the content of the aluminum oxide is greater than or equal to 90wt%; mutually communicated micropores are formed in the ceramic ball, the diameter of the micropores is 0.1-2 microns, and the aperture deviation is less than or equal to 15%; the specific surface area of the ceramic ball is greater than or equal to 300m < 2 > / g, the porosity is 30-50%, and the compressive strength is The ceramic ball successfully realizes ideal combination of a high specific surface area and a high strength characteristic, and provides a huge loading space and rich reaction active sites for a catalyst; meanwhile, the compressive strength can still be kept at 150 MPa or above, and the porosity is 30%-50%, which shows that the material has an extremely high specific surface area, the skeleton structure is still compact and firm, and the common technical contradiction of low strength caused by high porosity of a porous material is effectively overcome.

The application relates to an anti-redeposition cleaning agent for photoresist after dry etching and a preparation method and application thereof, wherein the anti-redeposition cleaning agent for photoresist after dry etching comprises the following components according to weight parts: 0.5-5 parts of a hydroxyl derivative; 5-20 parts of an organic base; 0.2-5 parts of a sulfonating agent; 50-70 parts of an organic solvent; 0.1-1 part of an azole corrosion inhibitor; and 30-50 parts of ultrapure water. The hydroxyl derivative is innovatively introduced into the formula, a swelling channel is forcibly opened by using the rigid structure of the hydroxyl derivative, and the alkaline active ingredient can penetrate into the interior, so that the photoresist is disintegrated from the interior.

The utility model relates to the technical field of engineering machinery, concretely relates to a break tooth, pincer tooth plate and smashing pincer device, include: main break part, it includes first reinforcing surface and second reinforcing surface, both front side edge connection form first break sharp edge, auxiliary break part, it includes first dispersing surface and second dispersing surface, first dispersing surface is located first reinforcing surface rear side and both connection form second break sharp edge, second dispersing surface is located second reinforcing surface rear side and both connection form third break sharp edge, first dispersing surface and second dispersing surface upper side edge connection form fourth break sharp edge, support part, it includes support surface. Through above setting, the size of concrete block after smashing is uniform, the size of block after smashing 5-20cm accounts for >85%, effectively avoid the problem that the material is jammed and the subsequent concrete block smashing is influenced due to the accumulation of concrete block, and the compression resistance is improved by 30%, effectively prolongs the service life.