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198results about How to "Smooth release" patented technology

Hollow skeleton type medicine carrying rod core and preparation method and application thereof

The invention discloses a hollow skeleton type drug-loading rod core as well as a preparation method and application thereof. The raw material composition comprises the following components in parts by weight: 1-1000 parts of active pharmaceutical ingredients; 100 parts of R-vinyl silicone rubber; 0.45 to 20 parts of hydrogen-containing silicone oil; more than or equal to 0.000002 parts of a catalyst; the content of vinyl in the R-vinyl silicone rubber is 0.1-0.5 mol%; the content of Si-H groups in the hydrogen-containing silicone oil is 0.18 to 1.6 mol%; the molar ratio of the Si-H group to the vinyl group is (0.5-20): 1. According to the invention, methyl vinyl silicone rubber, hydrogen-containing silicone oil, a platinum catalyst and other components are taken as a basic prescription of silicone rubber, and a model drug and the silicone rubber are mixed by using an extrusion technology to prepare the hollow skeleton type drug-loaded rod core. Advantages of traditional storage type implants and skeleton type implants are integrated, the production process is simple, the medicine application range is wide, the release amount is stable, and the release amount is large.
Owner:SHENYANG PHARMA UNIV +1

Atorvaquone enteric-coated tablet for dogs and preparation method thereof

The invention discloses an atorvaquone enteric-coated tablet, the preparation comprises atorvaquone, glyceryl behenate, teloxpol, a filler, an adhesive, a disintegrating agent and an enteric coating, and the particle size D90 of the atorvaquone is 30-50 [mu] m. The atorvaquone enteric-coated tablet disclosed by the invention is stable and continuous in release and high in bioavailability, can be positioned and released in intestinal tracts and reduce liver circulation, so that the occurrence of phenomena such as liver injury is reduced, the phenomena such as sticking and cracking are avoided in a tabletting process, the quality is qualified and stable, and the dissolution performance and the stability of the atorvaquone enteric-coated tablet are also ensured.
Owner:BEIJING CENT BIOLOGY CO LTD

Drug-loaded rod core, raw material composition thereof, implant and preparation and application of drug-loaded rod core

The invention discloses a drug-loaded rod core, a raw material composition thereof, an implant, preparation and application. The raw material composition of the drug-loaded rod core comprises the following components in parts by weight: 1-1000 parts of active pharmaceutical ingredients; 100 parts of R-vinyl silicone rubber; 0.45 to 20 parts of hydrogen-containing silicone oil; the content of a catalyst is greater than or equal to 0.000002 part, preferably 0.000002-1 part; wherein the average particle size of the active pharmaceutical ingredients is 1-1000 nm. According to the invention, the drug active ingredients with the average particle size of 1-1000nm are adopted, so that the solubility of the drug can be obviously improved; the compatibility with silicon rubber is better, the release speed of the obtained skeleton type implant and storage type implant is obviously improved, and the drug release behavior is stable; meanwhile, the application range is wide, the preparation method is suitable for various drugs, and large-dose stable release is achieved.
Owner:SHENYANG PHARMA UNIV +1

Lead-free solder composition and preparation method thereof

The invention relates to the technical field of welding, in particular to a lead-free solder composition and a preparation method thereof. The composition comprises brazing filler metal and a brazing flux, wherein the brazing filler metal comprises 55 to 65 parts of copper, 30 to 40 parts of zinc, 0.5 to 1 part of silver, 0.1 to 1 part of tin, 0.1 to 0.5 part of nickel, 0.02 to 0.15 part of lanthanum, 0.03 to 0.15 part of cerium and 0.05 to 0.2 part of indium; the brazing flux comprises 18-22 parts of borax, 13-17 parts of boric acid, 25-32 parts of a potassium fluoride and potassium fluoborate compound, 3-5 parts of calcium fluoride, 12-16 parts of aluminum oxide and 8-11 parts of magnesium oxide. The lead-free solder composition does not contain toxic lead elements, pollution to the environment and the ecological system is little, the wettability, corrosion resistance, strength, stability and the like of the lead-free solder composition are improved, and the welding quality is comprehensively improved. According to the preparation method, uniform distribution and accurate control of the brazing filler metal and the brazing flux are guaranteed, stability and consistency of product quality are guaranteed, and the preparation method is easy and convenient to operate and suitable for mass production.
Owner:XINXIANG QIXING BRAZING TECH CO LTD

Automatic carrying device for electric power engineering materials

The utility model discloses an automatic carrying device for electric power engineering materials, which belongs to the technical field of automatic carrying devices and comprises a cart and connecting plates, the upper surface of the cart is fixedly connected with the connecting plates, and a cable fixing component is arranged between the connecting plates. A cable winding and unwinding assembly is arranged on the outer surface of the connecting plate. A cable roll can be fixed through mutual cooperation of the driving motor, the arc-shaped clamping plate, the two-way lead screw, the sleeve and the sliding rod, the fixed cable roll is easily moved to a needed working position through the cart, carrying operation of the cable roll is greatly facilitated, the cable roll releases a cable through mutual cooperation of a circular groove in the arc-shaped clamping plate and a rolling shaft, and the cable roll is convenient to use. Therefore, friction between the cable and the arc-shaped clamping plate is reduced, the cable releasing process is smoother, the cable is effectively prevented from being wound and knotted, and the problem that a traditional fixing assembly cannot smoothly release the cable when fixing a cable roll is solved.
Owner:林周瑜

Capsule used as aerosol generating substrate and aerosol generating product

The invention provides a capsule used as an aerosol generating substrate, the capsule contains fuming materials propylene glycol and glycerol, a capsule skin comprises a colloidal substance, the colloidal substance is at least one of animal glue, vegetable glue, starch and a starch modifier, and only one layer of capsule skin is provided. The invention also discloses an aerosol generating product using the capsule, and uniform and sufficient smoke release can be obtained at a lower heating temperature, so that the aerosol product can further reduce the energy consumption, reduce the release of harmful substances and improve the feeling of a smoker.
Owner:SHENZHEN HUABAO COLLABORATIVE INNOVATION TECH RES INST CO LTD

Adjustable park electric charging pile

The invention belongs to the field of new energy automobile charging piles, and particularly relates to an adjustable park electric charging pile. According to the adjustable park electric charging pile, the use length of a charging wire can be conveniently adjusted. The device comprises a protective shell, a length adjusting assembly, a clamping assembly and the like, the protective shell is internally provided with the length adjusting assembly used for freely adjusting the pull-out length of the charging wire, and the clamping assembly used for limiting the wire spool is arranged between the fixing shaft and the wire spool. Through the mutual cooperation effect of the length adjusting assembly and the clamping assembly, the pull-out length of the charging wire can be adjusted at will, and the purpose of follow-up locking in the stretching process of the charging wire can be achieved; and through the arrangement assembly, the charging wire can be smoothly released outwards, and the charging wire can be automatically arranged in a reciprocating mode during automatic winding, so that the charging wire can be neatly and compactly wound onto a wire spool, and convenience is provided for users.
Owner:陆业隆

Large-scale solid heat storage system and control method

The invention discloses a large-scale solid heat storage system and a control method, the system comprises a plurality of heat storage subareas, the heat storage subareas are arranged in parallel, inlets of the heat storage subareas are jointly connected with a main heat storage pipeline, and outlets of the heat storage subareas are jointly connected with a main heat release pipeline; each heat storage subarea comprises a plurality of heat storage pipe sections, the inlet pipe section of each heat storage pipe section is provided with a pipe section inlet valve, the outlet pipe section of each heat storage pipe section is provided with a pipe section outlet valve, the heat storage pipe sections are arranged in parallel, and each heat storage pipe section comprises a plurality of solid heat storage modules; the multiple solid heat storage modules are arranged between the pipe section inlet valve and the pipe section outlet valve in series, the inlet pipe section and the outlet pipe section of each heat storage pipe section are each provided with a temperature sensor, the temperature sensors are connected with a temperature flow feedback control unit, and the temperature flow feedback control units are connected with the pipe section inlet valves.
Owner:NORTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GRP

GH5605 cobalt-based high-temperature alloy and manufacturing method thereof

PendingCN119553142Areduce vacuumSolve uneven compositionIncreasing energy efficiencyChemical compositionIngot
The invention relates to a GH5605 cobalt-based high-temperature alloy and a manufacturing method thereof, and belongs to the technical field of metal smelting. The GH5605 alloy comprises the following chemical components: 0.05%-0.15% of C, less than or equal to 1.0% of Si, 1.0%-2.0% of Mn, less than or equal to 0.03% of S, less than or equal to 0.03% of P, 19.0%-21.0% of Cr, 9.0%-11.0% of Ni, 14.0%-16.0% of W, less than or equal to 3.0% of Fe and the balance of Co and other inevitable impurities. According to the manufacturing method, the GH5605 electrode bar is smelted through a vacuum induction furnace, refining and argon protection processes are adopted, and it is ensured that the Mn element content of the electrode bar is qualified. And in the vacuum consumable remelting process, argon with the pressure of 2000-3000 Pa is filled, so that the vacuum degree is reduced, Mn element volatilization is effectively inhibited, and section component uniformity is achieved. Detection shows that the Mn content at the edge, the 1 / 2 radius and the central part of the steel ingot meets the technical standard. The process is simple and efficient, the quality of molten steel is not affected, the performance consistency and production stability of the GH5605 steel ingot are remarkably improved, and the process is suitable for the high-end application field.
Owner:JIANGXI BAOSHUNCHANG SPECIAL ALLOY CO LTD

Sock knitting mechanism

The invention relates to the technical field of knitting machines, in particular to a sock knitting mechanism which comprises a base, a knitting frame is fixedly connected to the top of the base, a rotating ring is rotatably connected to the outer side of the knitting frame, a threading plate is fixedly connected to the outer side of the rotating ring, and a gear ring is fixedly connected to the bottom of the rotating ring. The pay-off device is arranged, a rotating disc on a fixing base is rotated, a needed winding reel is rotated to the side close to a weaving frame, at the moment, the rotating disc drives a limiting block at the bottom of the rotating disc to rotate, six evenly-distributed arc-shaped grooves are formed in the surface of the limiting block, and when the limiting block rotates, protruding blocks are matched with the grooves on an elastic supporting frame of a compression spring; the compression spring ensures that the protruding block tightly abuts against the surface of the limiting block by means of constant elastic force, a stable contact state is maintained, the rotating stride of the rotary disc is locked at 60 degrees, and position deviation caused by accidental rotation of the rotary disc when the knitting machine works is prevented.
Owner:ZHUJI AI SHANGLIN KNITTING CO LTD

Granary circulation fumigation structure

The utility model provides a granary circulation fumigation structure which comprises a granary, an isolation plate is arranged in the granary, the aperture of the isolation plate is smaller than the size of grains, a sliding column is arranged at the lower end in the granary, two sliding blocks are arranged on the outer arc face of the sliding column in a sliding mode, and cavity plates are rotationally arranged at the rear ends of the two sliding blocks through rotating shafts. Air outlet pipes are arranged in air outlet holes evenly distributed in the upper ends of the two cavity plates, the two cavity plates are connected through a communicating pipe, a liquid medicine box is arranged on the left side of the granary, a liquid inlet pipe is arranged in a through hole formed in the lower end of the liquid medicine box, a moving mechanism is arranged at the lower end in the granary, and an anti-sedimentation mechanism is arranged in the liquid medicine box. According to the granary circulation fumigation structure, the anti-precipitation mechanism can stir and prevent liquid medicine from precipitating, so that the components of the liquid medicine are uniformly dispersed, the generation and release of fumigation gas are stable and consistent when the medicine is applied, and uniform fumigation concentration is favorably formed in a whole grain pile.
Owner:HENAN JINMING AUTOMATION EQUIP

Pipeline crawling robot

The pipeline crawling robot comprises a main vehicle frame and an arc-shaped bottom frame, in the using process of the pipeline crawling robot, in the rotating process of an annular toothed plate, the main vehicle frame part installed in an inner cavity of the annular toothed plate can be driven to rotate stably, in the rotating process of the main vehicle frame, an ultrasonic generator and an ultrasonic receiver can rotate at a slow speed, and therefore the pipeline crawling robot can be used for pipeline crawling. The first sliding block is pushed outwards through the first driving push rod, so that the rust grinding block and the sueding scraping block on one side of the first sliding block are close to a crack area, and the sueding scraping block can be driven by the first driving push rod in the clockwise rotation process of the rust grinding arm. And a sanding scraping block can polish and remove a rust layer on the surface layer of the crack, the position of a second sliding block is adjusted through a second driving push rod in a second mounting groove, so that a fixing block mounted at one end of the second sliding block and a laser welding device are close to the crack area of the pipe wall, and the crack of the pipe wall is welded and repaired through the laser welding device.
Owner:JIANGSU DIYE TESTING TECH CO LTD

Composition based on 2-oxoglutaric acid and preparation method

The invention relates to a composition based on 2-oxoglutaric acid and a preparation method of the composition. The composition comprises copolymer acid coated 2-oxoglutaric acid, nicotinamide, gamma-aminobutyric acid and the like. The copolymer acid is prepared through a double emulsification-solvent evaporation method, the used copolymer acid is polylactic acid-glycolic acid copolymer acid with the molecular weight of 15-20 kDa, and the average particle size of 2-oxoglutaric acid wrapped by the copolymer acid is 100-500 nm. The preparation method comprises the steps of solution preparation, emulsification, ultrasonic treatment, stirring, centrifugation and the like, and ensures the average particle size uniformity and the encapsulation efficiency of the nanoparticles. The composition promotes generation of collagen, improves physiological adaptability through an osmotic pressure regulator and a pH buffer solution, realizes stable encapsulation and slow release performance of 2-oxoglutaric acid, improves oxidation resistance and biocompatibility, and is widely applied to the fields of tissue repair and aging resistance.
Owner:HANGZHOU NUPTEC RISING BIOPRODUCTS INC LTD +1

Solid composition containing ceftizoxime sodium microcapsules as well as preparation method and application of solid composition

The invention belongs to the technical field of medicines, and particularly relates to a solid composition containing ceftizoxime sodium microcapsules as well as a preparation method and application of the solid composition. The invention provides a solid composition containing ceftizoxime sodium microcapsules. The solid composition comprises the ceftizoxime sodium microcapsules, sorbitol, microcrystalline cellulose and povidone, the ceftizoxime sodium micro-capsule comprises a capsule core and a capsule wall material wrapping the capsule core, and the capsule core comprises ceftizoxime sodium. The solid composition containing the ceftizoxime sodium microcapsules provided by the invention is high in ceftizoxime sodium active ingredient content, long in storage period, accurate in dosage and convenient to orally take and use, and can be stably released in an acidic or alkaline environment.
Owner:SUZHOU CHUNGHWA CHEM & PHARMA IND

A quick switching mounting device for multi-task load of unmanned aerial vehicle

The application relates to the technical field of unmanned aerial vehicle mounting devices, in particular to a quick switching mounting device for multi-task loads of an unmanned aerial vehicle, which comprises an unmanned aerial vehicle, a connector arranged below the unmanned aerial vehicle, a connecting sleeve fixedly installed at the inner end of the unmanned aerial vehicle, a supporting sleeve slidably installed in the connecting sleeve, a plug box fixedly installed at the upper end of the connector, the plug box being inserted into the supporting sleeve and forming a plug-in cooperation structure with the supporting sleeve, and a locking device arranged between the plug box and the supporting sleeve. The quick switching mounting device for multi-task loads of the unmanned aerial vehicle is characterized in that the connecting sleeve and the supporting sleeve are slidably matched, the plug box and the supporting sleeve are connected in a plug-in mode, the connector can be quickly mounted and dismounted, the mounting device can keep a safe distance from the wing of the unmanned aerial vehicle in the mounting state through the adjusting action of the supporting sleeve on the connecting height, the interference of the mounting structure on the aerodynamic performance of the unmanned aerial vehicle is effectively avoided, and the flight stability is improved.
Owner:DALIAN ZHIYUN GONGCHUANG ROBOT CO LTD

Rapid nucleic acid extraction device based on ultrasonic technology

The invention discloses a rapid nucleic acid extraction device based on an ultrasonic technology, and relates to the technical field of nucleic acid extraction, the rapid nucleic acid extraction device comprises an ultrasonic module and a microfluidic chip, the microfluidic chip is installed at the top end of the ultrasonic module, the ultrasonic module further comprises a base, a cavity is formed in the middle of the base, a bottom electrode is deposited on the upper end face of the base, and the bottom electrode is arranged in the cavity. A piezoelectric layer is deposited on the bottom electrode, a top electrode is deposited on the upper end face of the piezoelectric layer, and the micro-fluidic chip is installed on the upper end face of the top electrode, the ultrasonic module and the micro-fluidic chip are combined, the requirements for miniaturization and rapidness are met, the requirement for high-precision performance can be met while the POCT miniaturization, rapidness and convenience are met, and the cost is reduced. Ultrasonic waves are emitted based on a structural mode of the silicon chip, the device is small and simple, the miniaturization of the nucleic acid extraction module is realized, the nucleic acid extraction process can be carried out in a smaller space, the size of equipment is greatly reduced, and the cost is reduced.
Owner:HANGZHOU XINGRUITE TECHNOLOGY CO LTD

A modular composite turning and milling tool for intelligent machining centers

PendingCN122583990AImprove surface qualityPrecise control of cutting depth
This invention discloses an intelligent modular composite milling and turning tool for machining centers, relating to the field of milling and turning tool technology. It includes a turret configured to be rotatably mounted on a machine tool turret base to perform multi-axis composite machining motions. The turret's disc body has a plurality of precision guide grooves arranged in a circumferential array extending radially. This invention constructs a closed fluid circulation loop comprising a spiral cooling pipe, a circulating pump, and a telescopic pipe, and incorporates an adaptive cooling assembly consisting of radial heat dissipation fins and a temperature sensor. This allows for real-time adjustment of coolant flow rate and heat dissipation power based on cutting heat, ensuring the tool holder remains in a constant-temperature machining environment. This effectively avoids dimensional errors caused by thermal deformation and improves the yield rate of machining heat-sensitive materials.
Owner:GANZHOU YUANRUI MECHANICAL DESIGN RES CO LTD

Microcapsule self-suspending theophylline sustained-release granules and preparation method thereof

A microcapsule-type self-suspending theophylline sustained-release granule and a preparation method thereof belong to the field of pharmaceutical preparations. The sustained-release granule comprises a capsule core, a drug-carrying layer, a sustained-release layer and a suspension layer, and is prepared by a fluidized bed air suspension microencapsulation process. The present invention also discloses a preparation method of the microcapsule-type theophylline sustained-release granule, comprising: (1) mixing theophylline with an auxiliary material to form a suspension-type layering liquid, spraying and layering the suspension onto the capsule core to prepare drug-carrying granules; (2) mixing a sustained-release capsule material with other auxiliary materials to obtain a capsule material suspension, spraying and layering the suspension onto drug-carrying granules to prepare sustained-release granules; (3) mixing a polymer material with other auxiliary materials in water, and layering the mixture onto the surface of the sustained-release granules in the form of an air-suspended coating to form a microcapsule-type self-suspending theophylline sustained-release granule. Compared with the original preparation, the present invention adopts a one-step layering and coating method, has a simple preparation process, and has a particle size suitable for patients with difficulty swallowing.
Owner:SHENYANG PHARMA UNIV

Method for eliminating internal stress of large-scale polycrystalline diamond block

The invention discloses a method for eliminating internal stress of a large-scale polycrystalline diamond block material. The method comprises the following steps that the block material is placed in a vacuum heat treatment furnace; carrying out vacuumizing and gas washing operation on the furnace chamber so as to remove residual active gas; introducing high-purity protective gas into the furnace and maintaining positive pressure; executing a stepped heating and heat preservation process: firstly, heating to a first heat preservation temperature T1 at a first heating rate and preserving heat, and then heating to a higher second heat preservation temperature T2 at a second heating rate and preserving heat; and after heat preservation is completed, the controlled cooling process is executed till the furnace temperature is reduced to the room temperature. A strategy of'stepped heating + long-time heat preservation 'is adopted, firstly, the stress of a part of a high-energy area is preliminarily relaxed at a low temperature T1, and cracking caused by stress concentration due to rapid heating is avoided; then, at a higher temperature T2, sufficient energy is provided for atomic diffusion and grain boundary slippage, and deep and uniform release of the internal stress is achieved. And the method is particularly suitable for large-scale blocks.
Owner:ZHENGZHOU ZHONGNAN JETE SUPERABRASIVES

Benidipine hydrochloride tablet and preparation method thereof

The invention discloses a benidipine hydrochloride tablet. The benidipine hydrochloride tablet is a preparation formed by coating a tablet core with a coating solution, the tablet core is formed by mixing and pressing material particles with the following particle sizes in proportion: gt; 0.8%-8% of 20 meshes, 5%-20% of 20-40 meshes, 9%-21% of 40-60 meshes, 15%-48% of 60-80 meshes and 20%-51% of 80-100 meshes; 3-21% of 100 mesh; the material particles comprise the following raw and auxiliary materials in parts by weight: 2-5 parts of benidipine hydrochloride, 76-99 parts of a diluent, 1-2 parts of an adhesive and 0.5-1.5 parts of a lubricant. According to the invention, a specific process of stirring, cutting and atomizing is adopted, so that the raw and auxiliary materials in the tablet are uniformly mixed, material particles with specific granularity are easily prepared for tabletting, the preparation process is simple, and the obtained tablet has the advantages of low content of related substances, stable property, quick dissolution and quick effect, and has practical popularization and application values.
Owner:SICHUAN CREDIT PHARMA CO LTD

A valve core ball polishing device for a ball valve

This invention discloses a valve core ball grinding processing device for ball valves, specifically relating to the field of grinding technology. It includes a support platform, a housing disposed on the upper part of the support platform, a material handling structure on the top wall of the inner cavity of the housing, and a valve core grinding structure on the bottom wall of the inner cavity. This invention utilizes the driving action of a material handling drive to grip a material handling follower and feed it into a grinding component. A rack drives the grinding component to rotate repeatedly, during which the valve core ball is fixed by a valve core limiting component, thereby achieving the grinding of the valve core ball. After grinding, the material handling drive and follower remove the valve core ball from the grinding component and feed it into a discharge hopper on the rear side. Simultaneously, a new valve core ball is fed from the material handling tray into the grinding component, achieving continuous processing, reducing contact between operators and the valve core ball, grinding fluid, and grinding equipment, and reducing the occurrence of safety accidents.
Owner:ZHEJIANG LINUO INSTR CO LTD

Intelligent smell regulation and control device and control method thereof

The invention discloses an intelligent smell regulation and control device and a control method thereof.The intelligent smell regulation and control device comprises a device body, a liquid smell source module, a solid smell source module, a gas guide pipe, a concentration detection device, a main controller and an operation interface; the liquid smell source module and the solid smell source module are arranged in the device body and connected with the gas guide pipe, each of the liquid smell source module and the solid smell source module comprises a plurality of smell channels, and the concentration detection device is fixedly connected to the gas guide pipe. The operation interface, the liquid odor source module, the solid odor source module and the concentration detection device are all connected with the main controller; according to the invention, corresponding odor gas is generated through the solid and liquid odor sources and the concentration is detected, the operation state of each odor channel and the odor concentration are controlled through the operation interface and the main controller, generation of multiple odor sources is realized, and through the accurately controlled odor conveying system, a high-precision concentration detection device and data analysis software are combined, so that the detection accuracy is improved. The real-time monitoring and accurate adjustment of the odor concentration are realized.
Owner:CHONGQING UNIV OF ARTS & SCI

A heating element assembly

ActiveCN219613086U8smooth releaseSolve the problem of insufficient smoke volumeTobaccoSmoke EmissionPhysics
This utility model belongs to the field of heating devices, specifically relating to a heating element assembly and an aerosol generating device. The heating element assembly includes: two or more heating units arranged side-by-side; a cavity for receiving the aerosol-generated product at the center of the heating element assembly; and two or more heating units arranged around the cavity for receiving the aerosol-generated product, with the heating units insulated from each other. By controlling the start and stop times of each heating unit, the circumferential heating element assembly of this utility model can achieve the effect of circumferential segmented heating of the aerosol-generated product, ensuring that the aerosol is released more evenly throughout the entire inhalation cycle. This solves the problem of insufficient smoke volume in the later stages of conventional aerosol-generated products.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC +1

Segmented hollow cooling section for heating cigarette and heating cigarette

The invention relates to the technical field of cigarettes, and provides a segmented hollow cooling section for heating a cigarette and the heating cigarette, the segmented hollow cooling section for heating the cigarette comprises a perfuming section and a low interception section, and the inner diameter of the perfuming section is larger than that of the low interception section; the perfuming section is of a multi-layer composite structure, the inner layer of the perfuming section is a perfuming layer, the low interception section is of a multi-layer composite structure, the inner layer of the low interception section is a metal sheet layer, and smoke flows to the low interception section from the perfuming section. The perfuming section is arranged in the segmented hollow cooling section, so that the fragrance release amount is larger, and the fragrance release is more uniform; the interception of the aerosol by the hollow cooling section is reduced by utilizing the smooth metal sheet in the low interception section, and the flow velocity of the smoke is increased by utilizing the change of the inner diameters of the perfuming section and the low interception section from large to small, so that the interception of the aerosol by the hollow cooling section is reduced.
Owner:CHINA TOBACCO HUNAN IND CORP

Unstacking and grabbing device for stacked rubber blocks of multiple sizes

The invention discloses an unstacking and grabbing device for stacked rubber blocks of multiple sizes, belongs to the technical field of clamp structures, and solves the problems that in the prior art, rubber blocks fall off and cannot be grabbed in a tight stacking gapless scene. The device mainly comprises a flange plate, a connecting block is arranged on the flange plate, an adapter plate is arranged at the bottom of the connecting block, and a grabbing mechanism is arranged at the bottom of the adapter plate; the grabbing mechanism comprises a bearing module and an air cylinder module, and the air cylinder module is connected with an inserting claw assembly. And the two inserting claw assemblies synchronously act through the bearing module. According to the rubber block grabbing mechanism, rubber blocks of multiple sizes can be stably grabbed, the size and the thickness are not limited, the rubber blocks are not affected by unevenness caused by elasticity of the surfaces of the rubber blocks, the rubber blocks can still be stably grabbed, and the production efficiency is improved.
Owner:临沂临工智能信息科技有限公司

Biodegradable ammonium persulfate coating gel breaker for fracturing operation and preparation method of biodegradable ammonium persulfate coating gel breaker

PendingCN121950281Aavoid secondary pollutionProtect the original environmentDrilling compositionCelluloseNon solvent
The invention provides a biodegradable ammonium persulfate coating gel breaker for fracturing operation and a preparation method of the biodegradable ammonium persulfate coating gel breaker. The preparation method comprises the following steps: determining a mass ratio R of rosin glyceride to ethyl cellulose according to a target reservoir temperature T, and calculating a coating weight gain ratio coefficient K and the total mass of a coating material according to target delayed gel breaking time t; preparing a core material ammonium persulfate into a water phase, and emulsifying in an oil phase to form a reversed-phase microemulsion; a gradient interface deposition method is adopted, a coating solution A prepared from rosin glyceride and part of ethyl cellulose and a coating solution B prepared from the remaining ethyl cellulose are dropwise added in sequence, and a coating material is sequentially deposited on a core material liquid drop interface through pressure reduction to form a compact bottom layer and a slow-release main body layer; according to the invention, the coating layer is biodegradable, chlorine-free and corrosion-free, through the cooperation of the material ratio and the process, the accurate and controllable delay of the gel breaking time at high temperature is realized, the reservoir is effectively protected, and the fracturing effect is improved.
Owner:XIAN HAORUI ELECTRONICS TECH

Continuous solid-liquid reaction device for gas treatment

A continuous solid-liquid reaction device for gas treatment belongs to the technical field of flue gas desulfurization and manganese resource recovery equipment and comprises more than three reaction kettles which are connected in series through gas guide pipelines, each reaction kettle is provided with a gas inlet pipe joint, a feeding pipe joint, a gas outlet pipe joint and a discharging pipe joint, and a gas distribution device communicated with the gas inlet pipe joint is arranged in each reaction kettle. A stirring device is also arranged; the gas distribution device comprises more than two layers of gas distribution pipes which are communicated through a communication pipeline; a plurality of gas distribution holes are formed in the side walls of the gas distribution pipes; the stirring device comprises more than two layers of stirring paddles, and the stirring paddles are arranged above each layer of gas distribution pipe. The core design of'mixing gas with liquid without mixing 'is adopted, the gas distribution device is combined with stirring, so that gas is uniformly released in a small bubble form, the retention time is prolonged, and multi-stage full utilization of the gas is realized in cooperation with the gas series design. And multi-layer graded gas distribution is matched with layered stirring, so that gas-liquid-solid three-phase contact is sufficient, the reaction is stable, and deposition and short circuit are avoided.
Owner:XIANGTAN ELECTROCHEMICAL SCI CO LTD

A cup drop-off

The utility model discloses a cup falling device. The utility model discloses the technical scheme: including the cabin that is used for placing cup and the base of cabin plug -in connection, the dial wheel includes low -lying sector blade and high -lying sector blade of different height, still is provided with reset dial rod subassembly, and dial rod is along dial rod groove sliding, and two dial wheels are driven along fixed axle center rotation respectively through sliding axle, and high -lying sector blade will the flanging of upper layer cup be lifted up along with the rotation of dial wheel, and low -lying sector blade is separated from the flanging of lower layer cup, and lower layer cup falls into the cup falling hole below, and when reset spring resets dial rod, two dial wheels are driven along fixed axle center reverse rotation respectively through sliding axle, and high -lying sector blade on dial wheel follows rotation and releases the upper layer paper cup, and low -lying sector blade drags the flanging of paper cup closely. The scheme provided by the utility model can take the cup smoothly on the basis that cup does not deform and the cup body is complete, and the cost is low.
Owner:赵入闽

Lead-in assembly and eye cream instrument

The utility model relates to the technical field of beauty or medicine, in particular to a leading-in assembly which comprises a liquid storage bottle, a leading-in module and a secondary ramming head which are sequentially connected, solvent liquid is stored in the liquid storage bottle, the leading-in module comprises a functional module, and the secondary ramming head comprises a first shell and a second shell. A containing space is defined by the first shell and the second shell, freeze-drying particles or instant particles are placed in the containing space, the freeze-drying particles or the instant particles can be prepared in a freeze-drying mode and the like, the two ends of the containing space are open, and solvent liquid in the liquid storage bottle flows in from one end of the containing space after passing through the leading-in module. And after being contacted and mixed with the freeze-dried particles or the instant particles, the particles flow out from the other end of the accommodating space. According to the lead-in assembly provided by the utility model, the freeze-dried particles or the instant particles are arranged in the secondary blasting head, the solvent liquid in the liquid storage bottle gradually flows out to contact and dissolve the freeze-dried particles or the instant particles, and the mixed solution is applied to the periphery of eyes or other skin for use, so that the use is convenient, and the lead-in effect is better.
Owner:CHANGZHOU FUQIAN BIOTECHNOLOGY CO LTD

Die casting equipment for metal blank processing

ActiveCN118905179BImprove coating accuracysmooth releaseMold removalMoving parts
The present invention relates to the field of metal casting equipment, and discloses a die-casting molding equipment for metal blank processing, comprising: a die-casting frame; a base arranged on the die-casting frame, and a top plate arranged on the die-casting frame; a lower mold arranged on the base, and an upper mold arranged on the top plate, and cavities are opened on the upper mold and the lower mold; by setting a first coating plate and a second coating plate, and combining the precise control of a moving part, a release agent can be evenly coated on the side wall of the mold cavity, ensuring that the entire cavity surface is fully covered. Even when the shape of the mold cavity changes, the coating part can still accurately spray the release agent, further improving the demoulding effect and reducing surface defects caused by poor demoulding.
Owner:YANTAI BOYU AUTOMATION EQUIP CO LTD