20results about How to "Avoid carbonization" patented technology

The application provides a plate drying device, which comprises a drying box and a loading vehicle. A drying assembly is arranged in the drying box. A plurality of clamping grooves are formed in a bearing flat plate of the loading vehicle. Plates are inserted into the clamping grooves. A jacking assembly is arranged in the clamping grooves and is lifted to make the plates exposed completely when the jacking assembly is lifted. An elastic member is fixed to one side of the bearing flat plate. The other end of the elastic member is connected with a longitudinally extending support column. The other end of the support column is connected with a pressing plate which extends horizontally above the bearing flat plate. The plate drying device can push the plates out of the clamping grooves through the jacking assembly, so that the plates are exposed completely and are dried by the drying assembly. The drying effect is improved. The pressing plate is driven by the elastic member to press the plates up and down. The movement tracks of the plates to the left and right are limited by the clamping grooves. The limiting effect is good. The stress of the limiting parts is balanced. The plates are not damaged by the pressing marks.

The utility model discloses a concrete pole tip end socket structure which comprises an end socket body, a sliding groove is formed in the upper end of the end socket body, a cover plate is arranged at the upper end of the end socket body in a clamped mode, the cover plate is made of composite materials, a sliding groove is formed in the end socket body, and clamping plates are fixedly connected to the ends of a plurality of sets of sliding rods. The inner walls and the outer walls of the clamping plates and the sliding plates are all in an arc shape, elastic mechanisms are arranged on the outer walls of the sliding rods, and driving assemblies for driving the two clamping plates to slide are installed in the sliding grooves. According to the electric pole sealing head, a traditional external screw fixing mode is avoided in the mode that the clamping plates are clamped from the interior of an electric pole, penetrating screw holes do not need to be formed in the sealing head body and the electric pole, and a water seepage path is fundamentally eliminated. The clamping plates are tightly attached to the inner wall of the electric pole, the pre-tightening force of the springs is combined, a dynamic sealing barrier is formed, water and dust are effectively prevented from entering the electric pole, steel bar corrosion and concrete carbonization are avoided, the service life of the electric pole is further prolonged, and the structural safety of the electric pole is further improved.

This invention discloses a microwave ablation electrode, relating to the field of medical device technology. It mainly includes a main needle body, whose working end can release microwave energy to achieve microwave ablation. The main needle body is equipped with a non-working end circulating cooling structure and a working end liquid injection structure. The non-working end circulating cooling structure allows a cooling medium to reach the non-working end of the main needle body to cool the non-working end and surrounding tissue, and also allows for the return flow of the cooling medium. The working end liquid injection structure allows a cooling medium to reach the working end of the main needle body to cool the working end and surrounding tissue, and also allows the cooling medium to be injected into the lesion tissue, absorbing microwave energy to form steam, achieving steam thermal ablation. This invention achieves dual ablation through steam thermal ablation and microwave ablation, improving the ablation effect, reducing the temperature of the working end of the microwave ablation electrode, and increasing the moisture content of the tissue surrounding the working end, thus reducing carbonization of the lesion tissue.

This invention relates to the field of organic compound preparation technology, specifically a method for preparing 11-triglycerides of carbonate via low-temperature acylation. This method uses glycerol and undecanoyl chloride as raw materials, employing a synergistic system of a "composite acid-binding agent + Lewis acid catalyst," and combines in-situ dehydration technology and a stepwise heating strategy in a dual-solvent environment to achieve efficient synthesis. The specific steps include: under nitrogen protection, dissolving glycerol in a dichloromethane-toluene dual solvent, adding a composite acid-binding agent of pyridine and N,N-diisopropylethylamine, anhydrous zinc chloride catalyst, and 4A molecular sieve for in-situ dehydration; dropwise adding undecanoyl chloride at a low temperature of 5-10°C, followed by sequential heating to 30°C for 2-3 hours and then reacting at 50°C for 12-16 hours; and post-processing using a combined process of filtration-multi-stage extraction-membrane separation-column chromatography. This invention provides mild reaction conditions, effectively suppresses side reactions, produces high-purity products, increases molar yield, and reduces solvent toxicity and purification costs.

The invention discloses a non-polar high-voltage foamed aluminum-based hybrid super capacitor and a preparation method thereof, and belongs to the technical field of super capacitors. The super capacitor adopts a symmetrical non-polar structure, a composite electrode comprises a pure aluminum current collecting layer, a foamed aluminum matrix layer and a uniform anodized aluminum oxide insulating layer which is prepared by coating the surface of a matrix aluminum rib with a directional scouring process, active carbon coating without hole blockage is realized through gas-phase camphor occupation, and the rated working voltage of a monomer is 6-10V; and after being connected in series and in parallel and superposed, a plurality of monomers are packaged by insulating heat-conducting silica gel and a heat-dissipating aluminum shell to form a high-voltage module The industrial problems of foamed aluminum pore-forming carbonization, uneven oxidation film and activated carbon hole blocking are thoroughly solved, the product power density is 15-25 kW / kg, the cycle life is larger than or equal to 1 million times, breakdown is avoided through nonpolar reverse connection, and the method can be widely applied to middle-high voltage power electronic scenes such as inverters, frequency converters, solid-state transformers and power reactive compensation.

This invention discloses a basalt fiber thermoplastic preimpregnation device, comprising a processing table, with a first support frame and a second support frame fixedly connected to both sides of the top of the processing table. A yarn guiding device is installed on the first support frame, and a winding device is installed on the second support frame. The preimpregnation assembly includes an impregnation mold and a third support frame, the third support frame being fixedly connected to the top of the processing table. The impregnation mold is mounted on the third support frame, and the yarn guiding device and winding device are respectively configured corresponding to the impregnation mold. The impregnation mold is used for preimpregnating basalt fibers. A quantitative conveying component is mounted on the impregnation mold for conveying the preimpregnated resin to the basalt fibers within the impregnation mold. A cleaning component is mounted on the impregnation mold for cleaning the impregnation mold. This invention achieves stable conveying pressure of the preimpregnated resin, improves the overall impregnation effect, cleans residual preimpregnated resin, avoids oxidation, yellowing, or carbonization of preimpregnated resin accumulated internally over a long period, and ensures continuous production.

The invention discloses a laser precision cutting and heat affected zone control method and system for a phosphoric acid fuel cell electrode. The method comprises the steps that an original image of the electrode is obtained, an actual alignment mark is recognized, sub-pixel-level centroid coordinates are calculated through geometric moments, coordinate mapping is conducted on a standard cutting path in combination with a two-dimensional affine transformation model, and a corrected cutting path is generated; in the cutting process, a microscopic image of a laser action area is collected in real time, and a thermal damage index is calculated based on the width of a kerf heat affected zone and an edge carbonization mean value; and the control module dynamically adjusts the cooling wind speed through a PID algorithm according to the deviation between the thermal damage index and a preset threshold value, and triggers a secondary suppression strategy for reducing the laser energy when the wind speed reaches the limit. According to the method, path deviation is solved through visual positioning compensation, cooling and laser parameters are cooperatively adjusted through visual thermal field feedback, and the heat accumulation and carbonization phenomena in phosphoric acid fuel cell electrode machining are effectively restrained.

This utility model relates to the field of electronic component technology, and in particular to a surface-mount electronic component that overcomes the problems of existing surface-mount electronic components that may damage circuit boards, have poor soldering to circuit boards, and are not conducive to automated pick-up. The functional ceramic body has upper and lower electrodes on its upper and lower surfaces, respectively. Upper and lower leads are soldered to the upper and lower electrodes and extend from the functional ceramic body. An encapsulation layer covers the functional ceramic body, the upper and lower electrodes, and the encapsulated portion of the upper and lower leads. The portions of the upper and lower leads exposed in the encapsulation layer include a starting segment extending from the functional ceramic body, a downward bending segment from the starting segment, and a horizontal bending segment bending downwards from the downward bending segment towards the bottom of the functional ceramic body. The horizontal bending segment continues to extend and forms a support portion that contacts or tends to contact the bottom surface of the encapsulation layer. The bottoms of the horizontal bending segments of the upper and lower leads are on the same plane, and at least a portion of the horizontal bending segments of the upper and lower leads is the solder joint of the electronic component on the circuit board.

The utility model relates to a double-layer asphalt melting device with side feeding, belongs to the technical field of asphalt melting equipment, and aims to solve the problems that an existing asphalt melting device is high in operation cost, large in occupied space after synergistic improvement and poor in economical efficiency, the double-layer asphalt melting device comprises a shell and two heat conduction oil pipe heating units, the shell is divided into an upper layer area and a lower layer area, the upper layer area and the lower layer area are communicated, the two heat conduction oil pipe heating units are arranged in the upper layer area and the lower layer area in the shell respectively, a plurality of feeding ports are machined in the front side wall of each area, and a sealing door is correspondingly arranged at each feeding port. The sealing door structure located on the upper layer completes opening and closing actions in a pneumatic upturning mode, and the sealing door structure located on the lower layer completes opening and closing actions in a manual mode. The device is mainly used for melting asphalt blocks in the asphalt production process.

The invention discloses an automatic laser cutting machine and method for nonmetal cutting, and relates to the technical field of laser cutting machines. The automatic laser cutting machine for nonmetal cutting comprises a shell, a three-dimensional five-axis laser cutting machine is installed on the top wall of the shell, and a plurality of inclined air channels are formed in the outer side of the shell in the circumferential direction of a window at equal intervals; the moving-through control device is used for communicating the first inner cavity and the second inner cavity where one window is located and completing waste gas absorption and contact surface cooling, and the filtering device is used for filtering impurities. According to the automatic laser cutting machine and method for non-metal cutting, the supporting shell is matched with a special-shaped piece opening hole through the window, the inner wall is stably supported to prevent collapse and deviation, circumferential uniform cooling and cutting gas dust absorption are synchronously achieved through an inner cavity of the window, a moving cylinder moves to enable a through hole to only communicate with an assembly of a to-be-cut station, the station is rapidly switched, time is saved, and the working efficiency is improved. And airflow is intensively utilized, the equipment energy consumption is reduced, and the stable cold suction effect is ensured.

The building landscaping waste treatment device comprises a waste treatment machine body, a feeding opening is fixedly formed in the top of the outer wall of the front face of the waste treatment machine body, and a discharging opening is fixedly formed in the bottom of the outer wall of one side of the waste treatment machine body; an air inlet is formed in one side, far away from the discharge hole, of the waste treatment machine main body. And by arranging the rotating blades, a large amount of wood chips are not accumulated any more, so that the drying time of the wood chips in different layers is close to each other, and carbonization caused by overlong drying time of the wood chips on the surface can be prevented.

The application relates to the technical field of simmering equipment, and discloses a simmering device for animal oil production, which comprises a main body structure, a simmering structure and a driving structure, the simmering structure is movably arranged on the main body structure, the driving structure is fixedly arranged on the main body structure, and the driving structure is connected with the simmering structure. The application has the beneficial effects that the transmission structure is simple and reliable, the heating is more uniform, local overheating, scorching and carbonization are effectively avoided, the oil quality and the oil yield are obviously improved, the support and the inclination are flexibly adjustable, the heating effect is strengthened, the overall heating production efficiency is improved, the oil is smoothly discharged, automatic solid-liquid separation is realized, residues are automatically collected, cleaning is convenient and sanitary, the manual strength is reduced, and the sanitary standard is improved; the heating assembly can be replaced, the maintenance cost is low, and the integrated design is high in production continuity.

This utility model relates to the field of polymerization tower technology, and in particular to a top-mounted magnetically stirred nylon polymerization tower. The top-mounted magnetically stirred nylon polymerization tower includes a welded integral tower body and a top-mounted magnetic stirrer. The tower body has a flanged end cap, and a bearing seat is sealed to it. The magnetic stirrer is driven by magnetic coupling between an outer rotor and an inner rotor, and is isolated between the inner and outer rotors, isolating the tower body from the outside. A stirring shaft connects the inner rotor to the stirring paddle. The stirring paddle contains at least two stages of rectangular flat blades, with the blades forming an angle of 45° to 60° with the central axis, and its length being 25% to 30% of the nominal diameter of the tower body. This top-mounted magnetically stirred nylon polymerization tower can increase the heat exchange area, uniformly measure the material reaction temperature, reduce material adhesion to the walls and carbonization blockage, reduce the impact of bubbles trapped in high-viscosity melts, improve devolatilization efficiency, and enhance product quality and production efficiency without increasing leakage points.

The invention relates to the field of chemical analysis, in particular to a digestion method and a detection method for ICP-MS (Inductively Coupled Plasma Mass Spectrometry) detection of cationic guar gum. The invention relates to a digestion method for cationic guar gum ICP-MS detection. The digestion method comprises the following steps: S1, accurately weighing a sample; s2, pre-digestion: enabling the sample to be in full contact with concentrated nitric acid; s3, adding hydrogen peroxide; s4, carrying out digestion in a high-pressure tank; and S5, post-processing: fixing the volume for later use. The ICP-MS determination method using the digestion method comprises the following steps: A1, preparing a standard curve and an internal standard solution; a2, ICP-MS instrument condition determination: using helium as collision gas; and A4, calculating a result. According to the method, a nitric acid-hydrogen peroxide and high-pressure tank assisted digestion technology is adopted to thoroughly decompose organic macromolecules, and then the digested solution is detected by using an ICP-MS method, so that the characteristic elements in the cationic guar gum can be accurately and sensitively measured.

The application discloses a preparation method of electronic cigarette oil guide cotton. The method comprises the following steps: taking organic polymer chip as raw material, adding a predetermined amount of mixed reagent of inorganic antibacterial agent and organic antibacterial agent, uniformly mixing, and then preparing organic short fibers with special-shaped structure through melt spinning; mixing the inorganic fibers and the organic short fibers in a predetermined proportion, and preparing the oil guide cotton through carding, water jet, and winding. By combining the advantages of high polymer materials such as polyester and polytetrafluoroethylene, such as high melting point and decomposition temperature, and the advantages of inorganic fibers such as ceramic fibers, such as light weight, high temperature resistance and good thermal stability, and by controlling the use proportion of the two, the oil guide cotton can have good heat resistance, thermal stability and high oil conductivity, and carbonization can be avoided during use, thereby prolonging the service life of the electronic cigarette.

The utility model discloses an outlet dustproof device for rolling mill relates to rolling production technical field. The device includes the dust collecting cover of arrangement in the rolling mill export roll way top, and the dust collecting cover is connected the wet method front filter jar through the first suction pipe, and the wet method front filter jar is connected the cloth bag filter through the second suction pipe, and finally forms the negative pressure dust extraction flow path through the fan. The wet method front filter jar is equipped with annular fairing, atomizing nozzle and demister, and the dust collecting cover and first suction pipe cover insulating layer, and the second suction pipe adopts the reducing pipe. Through the collaborative structure of "dust collecting cover collection wet method front filter jar pretreatment cloth bag filter fine filtration", the problem of high temperature, uneven particle, strong viscosity of rolling dust is solved pertinently, realizes dust efficient interception and protects filter bag, reduces equipment maintenance frequency.

The utility model discloses a kind of finned tube heat transfer enhancement structure for waste heat recovery device, it is related to finned tube technical field, including heat exchange bin, the inside fixed mounting of heat exchange bin has finned tube main body, finned tube main body includes liquid conduit and several radiating fins, the inside of radiating fin is equipped with several through holes, liquid conduit is sequentially penetrated in the through hole of several radiating fins inside, the side of heat exchange bin inner wall is fixedly connected with several airflow baffles in linear arrangement mode, one end of several airflow baffles is respectively arranged between two adjacent radiating fins.The utility model changes the flow direction of high-temperature gas by the setting of airflow baffle, forms turbulent flow, reduces flow rate, prolongs the residence time of airflow, promotes gas and radiating fin to contact fully, enhances the convection heat transfer of this finned tube.

The application discloses a regional hemostatic patch and device, and relates to the medical field.The regional hemostatic device comprises a regional hemostatic patch and an electric heating control device.The regional hemostatic patch comprises a patch body and a heating medium embedded in the patch body, and the patch body has a patching side which is suitable for patching a wound surface.The electric heating control device comprises a thermal field analysis module, a data function processing module and an energy output module.The thermal field analysis module is used for performing thermal field analysis on the patching side of the patch body so as to obtain temperature changes of different positions of the patching side.The data function processing module is used for obtaining preset target temperature values of different positions of the patching side, and the energy output of the energy output module is controlled through a built-in control algorithm.The energy output module is used for outputting energy to the heating medium so as to heat the heating medium, thereby controlling the temperature of different positions of the patching side.In this way, a higher temperature can be output to a bleeding point to realize rapid hemostasis, and a conventional hemostasis temperature is adopted for hemostasis of the remaining part, thereby preventing local overheating and tissue carbonization.

The utility model relates to a detection device for diesel engine counterweight adjustment belongs to the technical field of crankshaft counterweight detection, the detection device for diesel engine counterweight adjustment, include: set up in the clamping plate of dynamic balance testing machine detection platform, the recess is established in the top of clamping plate, auxiliary assembly, auxiliary assembly sets up in the recess of clamping plate, wherein, clamping assembly includes setting up in the fin of clamping plate, the one side of fin is provided with guide plate, through setting up the fin of auxiliary assembly, can when the high -speed rotation of crankshaft, the heat of lubricating oil inside auxiliary shell is continuously discharged outward, to the heat of lubricating oil and outside each other exchange, reach the heat dissipation of lubricating oil, prevent the problem of high temperature and cause lubricating oil carbonization to occur, through setting up guide plate, and the guide plate is cotton board, can when the auxiliary shell cooperation heat insulating ring holds the limit of crankshaft neck, continuously supplies the oil for the crankshaft neck to keep lubrication, prevents the dry grinding phenomenon.

This invention discloses a multi-effect synthesis apparatus and method for hydrogen sulfide synthesis. The apparatus has a vertical columnar structure, and its interior is arranged from bottom to top as follows: a first-effect liquid sulfur synthesis zone, a second-effect gas-liquid two-phase sulfur synthesis zone, a third-effect compensation synthesis zone, and a condensation and sulfur replenishment zone. The first-effect liquid sulfur synthesis zone is used for the main reaction of molten sulfur and hydrogen. The second-effect gas-liquid two-phase sulfur synthesis zone is used for the deep reaction of residual sulfur vapor and hydrogen. The third-effect compensation synthesis zone is used for the compensation catalytic synthesis of unconverted hydrogen and utilizes temperature drop to condense and reflux gaseous sulfur. The condensation and sulfur replenishment zone is equipped with a condensation coil for gradient cooling of the rising gas, causing gaseous sulfur to condense into liquid and fall for reuse. The top of the apparatus corresponding to the condensation and sulfur replenishment zone is equipped with a hydrogen sulfide gas outlet. This invention has the advantages of low energy consumption, high raw material conversion rate, high utilization rate of sulfur and hydrogen, and high purity of the produced hydrogen sulfide product.