53results about How to "Increase surface temperature" patented technology

The invention discloses an energy storage lithium battery cabinet supporting capacity expansion, and relates to the technical field of energy storage cabinets, the energy storage lithium battery cabinet comprises a cabinet body, an electric telescopic rod, a solution cavity and a battery supporting plate, the electric telescopic rod is fixedly connected with the cabinet body, the solution cavity is fixedly connected to the upper end of the electric telescopic rod, the battery supporting plate is vertically and slidably connected to the solution cavity, and the battery supporting plate is fixedly connected to the cabinet body. According to the invention, when the weight of the lithium battery is reduced due to over-discharge and aging of the battery, the round pipe orifice and the square through orifice are indirectly matched for use, so that the size of the overlapped circulating orifice is changed, and due to the expression form of the law of conservation of mass in fluid mechanics, the effect of mass conservation is improved. The gradually-decreased coincident circulation openings enable the flow speed of cooling liquid flowing in the transmission pipe to be increased, early warning feedback is carried out under detection of a flow speed sensor in the coincident circulation openings, and the mechanical transmission is different from a monitoring mode adopting a voltage monitoring method in the prior art through the design of a feedback mode of the water flow speed. And the monitoring completeness of the lithium battery over-discharge and battery aging is improved.

The invention discloses quartz sand high-temperature treatment equipment with a dual treatment technology, and relates to the technical field of quartz sand treatment.The quartz sand high-temperature treatment equipment comprises a fixed supporting structure, and the fixed supporting structure comprises a supporting bottom frame and supporting bases which are fixedly connected to the supporting bottom frame and located at the two ends of the supporting bottom frame; the rolling drying structure comprises a drying cylinder rotationally connected to the supporting base, a feeding cylinder rotationally connected to one end of the drying cylinder and located on one side of the supporting base, a feeding box fixedly connected to the end, away from the drying cylinder, of the feeding cylinder and a rolling drying mechanism rotationally connected to the other end of the drying cylinder and located on the other side of the supporting base. The discharging barrel is arranged on one side of the supporting base; and the conveying structure comprises a motor which is fixedly connected to the feeding barrel and located below the feeding box. The fluidity of quartz sand in the feeding cylinder is remarkably improved, the drying efficiency is improved, and the problem of uneven drying caused by caking is solved.

The invention discloses a chemical vapor deposition method which comprises the following steps: coating a conductive film on the surface of an insulating substrate to obtain a conductive composite material; a conductive composite material is adopted as a growth substrate, so that the growth substrate is electrified to be self-heated to a growth temperature, and a guest material is deposited and grown. According to the method, the surface of the insulating substrate is coated with the conductive film, so that the insulating substrate has conductive performance, and subsequent power-on spontaneous heating is realized. Furthermore, the substrate is heated in situ, so that only the surface temperature of the substrate is high, the pollution of a precursor (such as a carbon source) cracking byproduct can be reduced, the quality of the guest material can be improved, meanwhile, higher heating rate (400-1400 DEG C / s) and growth temperature (greater than 1100 DEG C) in a quartz tube can be realized, and the growth rate and the crystallization quality of the guest material can be improved. According to the method, the substrate is directly heated, so that uneven heating caused by indirect heating is avoided, and the crystallization quality of a guest material is remarkably improved.

The invention provides a method for producing hydrogen through ammonolysis, which comprises the following steps: in a reaction device, acting current on a conductive catalyst, and introducing ammonia gas for reaction to obtain hydrogen. The invention provides a current-assisted low-temperature ammonia decomposition hydrogen production strategy based on an electrochemical Joule thermocatalytic reactor, and also provides a corresponding supported integrated porous catalyst. According to the method for producing hydrogen through low-temperature ammonia decomposition, when current directly passes through the catalyst, the catalyst can be excited to induce ammonia dissociation and dehydrogenation, so that ammonia conversion is greatly promoted. Meanwhile, due to the intrinsic characteristic of high resistance of the catalyst, electric energy is partially converted into heat energy, so that the surface temperature of the catalyst is increased (higher than the external environment temperature), the catalytic reaction is further promoted, and the high-efficiency ammonia decomposition process at the low reaction furnace environment temperature is realized. The invention provides an alternative solution for the problem of low activity of the existing low-temperature catalytic system.

The invention discloses a shielding type fireproof flame-retardant solar photovoltaic cable, and belongs to the field of cables. The cable comprises a conductor, an insulating layer wrapping the outer layer of the conductor, a shielding layer wrapping the outer layer of the insulating layer and a sheath layer wrapping the outer layer of the shielding layer, and the sheath layer comprises crosslinked polyethylene, a fireproof flame retardant, polyether-ether-ketone and 2, 6-di-tert-butyl-4-methylphenol; the shielding layer is of a double-layer structure, and the inner layer and the outer layer are formed by weaving copper wires and tin wires. And the insulating layer comprises crosslinked polyethylene, tricresyl phosphate and zinc oxide. The fireproof flame retardant is added into the sheath layer, so that the fireproof flame retardant performance of the photovoltaic cable can be improved, the fireproof flame retardant performance of the sheath layer can be improved through lignin and triethyl phosphate, and when the photovoltaic cable is in a high-temperature environment, aluminum trihydrate and ammonium bicarbonate are decomposed to generate moisture, so that the flame retardant performance of the photovoltaic cable is improved. Therefore, the surface temperature of the photovoltaic cable is reduced, the combustion of the photovoltaic cable is inhibited, and the generation of smoke is inhibited.

The invention discloses an auxiliary open fire heating device for improving the surface quality of extruded plastics. The auxiliary open fire heating device comprises a bracket base device and a fire jetting combustion furnace tray device and is characterized in that the bracket base device comprises a base and a support frame, and the support frame is mounted on the base; the fire jetting combustion furnace tray device comprises a gas inlet valve, a gas guide pipe and nozzle devices; the gas inlet valve is mounted at an inlet of the gas guide pipe; the nozzle devices are mounted on the gas guide pipe; and the fire jetting combustion furnace tray device is mounted on the bracket base device through the support frame. The auxiliary open fire heating device has the advantages of simplicity, convenience and feasibility and also has the advantages of being convenient to use, high in efficiency, high in practicability, light in structure and convenient to mount, disassemble and operate. Generally, when large-molecular-weight plastics of a molecular chain net structure, such as organosilane crosslinked polyethylene, are processed and produced, the auxiliary open fire heating device is directly mounted on a nose of the existing extruder by using magnetic absorption and utilizes open fire to carry out auxiliary open fire heating on a forming die orifice and an extruded wire so as to improve the poor surface quality of the extruded product.

The utility model discloses a vulcanizing tank with uniform temperature rise, which comprises a tank body and a heat supply system, at least four steam diffusion pipes are distributed in the tank body, the steam diffusion pipes are uniformly distributed on the inner wall of the tank body, a plurality of steam outlet holes are distributed on the steam diffusion pipes, and the steam outlet holes are arranged on the same cross section. Steam of each steam outlet hole is jetted into the tank body to form a steam rotating ring; and the heat supply system is connected with the steam diffusion pipe. According to the vulcanizing tank, through cooperation of the tank body and the heat supply system and the action of the steam diffusion pipe of the tank body, steam forms a steam rotating ring in the tank body, all parts of the tank body can be evenly heated, it is guaranteed that the surface temperature of a rubber product can be evenly increased, the temperature difference fluctuation of all the parts is small, and stability is high; therefore, the qualified rate of products can be improved.

The invention relates to the technical field of pulverizers, and discloses a waste plastic pulverizer, comprising a box body, a pulverizing roller, and a driving structure. Two or more pulverizing rollers are symmetrically and rotatably installed in the box body. The driving structure is arranged at both ends of the pulverizing rollers and drives the pulverizing rollers to rotate. A cooling chamber and a steam chamber are coaxially provided in the pulverizing roller. The diameter of the cooling chamber is larger than the diameter of the steam chamber. A filter ring that only allows water vapor to pass through is arranged between the cooling chamber and the steam chamber. Pure water is introduced into the cooling chamber. A plurality of nozzles connected to the steam chamber are also arranged on the surface of the pulverizing roller, and a safety valve is arranged on the nozzle. When the surface temperature of the pulverizing roller rises, the pure water in the cooling chamber absorbs heat and evaporates, so that the surface temperature of the pulverizing roller is reduced and maintained within a reasonable range, thereby avoiding equipment damage caused by overheating, and preventing local overheating of the plastic and melting, thereby ensuring the pulverizing quality, and preventing the plastic from being deformed or adhering to the equipment due to high temperature.

The present invention discloses a mobile phone charger with a charging protection function, which relates to the technical field of chargers, and includes a charger body, a metal plug, a jack, and a power conversion cavity. The right side of the metal plug is fixedly connected to the left side of the charger body, and the right side of the charger body is provided with a jack. The power conversion cavity is arranged on the inner wall of the charger body, and the left side of the power conversion cavity is electrically connected to the right side of the metal plug. The present invention adopts the cooperation of a heat dissipation plate and a heat conduction block, so that the heat emitted by the power conversion cavity can be transferred to the inside of the angular guide block through the heat conduction block. At the same time, with the assistance of the heat dissipation zone, the surface temperature of the heat dispersion can be timely dissipated outward, thereby reducing the excessively high surface temperature of the charger body during a long period of power supply, and avoiding the internal components being affected by the temperature and shortening their service life.

The invention relates to the technical field of friction sleeve testing, and discloses a life test device for a friction sleeve for a reducer, comprising an operating platform, a clamping seat for clamping the friction sleeve is installed on the upper side of the operating platform, a friction block for rubbing the edge of the friction sleeve is installed inside the clamping seat, a support frame is installed on the upper side of the operating platform, a pushing cylinder for driving the clamping seat is installed on the side of the support frame, a rotating motor is installed on the upper side of the operating platform, an umbrella gear for engaging with the inner teeth of the friction sleeve is installed on the upper side of the operating platform, the rotating motor is used to drive the umbrella gear to rotate, the clamping seat comprises a first clamping block and a second clamping block, and can continue to rub the friction sleeve even when its diameter is reduced. Moreover, during the friction of the friction sleeve, due to the enlargement of the gap between the friction sleeve and the clamping seat, the displacement of the friction sleeve during the rotation process is reduced as much as possible, thereby affecting the detection efficiency.

The utility model provides a kind of high-temperature-resistant long-life ball bearing retainer, it is related to bearing retainer technical field, and it includes: hold frame body;The retainer body is annular structure, and ball hole is arranged in annular array shape on the inner wall of retainer body;Annular array shape is arranged in the through hole of the outer wall of retainer body, and the through hole is circular hole structure, and the through hole arranged in annular array shape is jointly composed of the heat dissipation structure of retainer body.Utilize nickel-based alloy high melting point (1300 DEG C above) and strong oxidation resistance, so that retainer is not easy to heat softening or oxidation corrosion failure under high temperature working condition (such as industrial kiln, aeroengine), directly prolongs the service life under high temperature environment;Through type circular through hole forms three-dimensional heat dissipation channel, cooperates the forced convection of lubricating medium (oil / gas), and internal heat is quickly taken away.For example in high-speed motor, airflow passes through through hole can make retainer temperature reduce 20%~30%, avoid local overheating to cause material failure.

The invention provides a method for changing the surface temperature perception of an electronic device by a person through vibration, and belongs to the field of consumer electronic product perception, and the method comprises the following steps: S101, monitoring the temperature of an internal system of the electronic device, and when the temperature reaches a certain threshold value, enabling the system to start a temperature control function; s102, activating one or more vibrator units of the product, outputting vibration with specific frequency and strength through a preset program, and generating surface vibration stimulation by the equipment; s103, the user holds or wears the equipment in a hand, and feels the vibration stimulation while making contact with heating of the surface of the equipment; and S104, the heat perception of the user on the surface of the current equipment is interfered by the simultaneous vibration, so that the subjective sensitivity of the user on the heating of the equipment is reduced. The subjective perception of the user on the thermal sensation is weakened by using the phenomena of tactile masking and thermal sensation transfer, so that the psychological experience of the user on the surface temperature of the electronic consumption product and the wearable equipment is optimized.

The utility model discloses hydrolysis reaction equipment for high-purity aluminum hydroxide production, which comprises a placing box, a hydrolysis cup is clamped in the placing box, electric sliding rails are fixedly mounted on two sides of the outer wall of the placing box, U-shaped frames are fixedly mounted at sliding ends of the two electric sliding rails, and the U-shaped frames are fixedly mounted on the U-shaped frames. An electric push rod is fixedly mounted in the middle of the U-shaped frame, and a stirring assembly is fixedly mounted at the telescopic end of the electric push rod. The hydrolysis cup is clamped in the placing box, the placing box is filled with low-temperature water, heat generated by hydrolysis of high-purity aluminum hydroxide can be dissipated, the surface temperature of the hydrolysis cup is prevented from being too high, the hydrolysis stability is improved, and through cooperation of a rotating base, a second driving motor and a gear, the hydrolysis cup can be rotated conveniently and rapidly. The reciprocating swing of the arc-shaped clamping block can be realized, the reciprocating swing of the hydrolysis cup is driven through the reciprocating swing of the arc-shaped clamping block, and the hydrolysis efficiency is effectively improved through the stirring of the stirring assembly.

This utility model relates to the field of dust collector technology, and in particular to a water curtain dust collector, comprising a tower body, a Venturi tube connected to the lower side wall of the tower body, a screen installed on the inner side of the lower part of the tower body, several baffles installed below the screen, and a water collection tank connected to the lower end of the tower body. Both the screen and the baffles are hollow. A sedimentation tank is connected to the water collection tank. The upper outer wall of the sedimentation tank is connected to the screen and baffles via a water supply and heating pipeline. The outlets of the screen and baffles are connected to the water collection tank via a return water pipeline. This water curtain dust collector, by using a hollow screen and baffles and constructing a water circulation heating system using a water collection tank, sedimentation tank, water supply and heating pipeline, and return water pipeline, achieves several advantages. Firstly, the heated circulating water flows within the screen and baffles, increasing their surface temperature and effectively preventing the solidification and accumulation of sticky particles due to temperature reduction, thus solving the problem of flow channel blockage and extending the equipment maintenance cycle.

This invention discloses a sea urchin-shaped oxygen-rich vacancy O vac This paper describes a CuO@ZIF-8 core-shell structured photothermal catalyst, its preparation method, and its application, belonging to the fields of photocatalytic materials and artificial nitrogen fixation technology. The technical solution is as follows: the catalyst has a core-shell structure, with the core being urchin-shaped copper oxide (CuO) microspheres. These microspheres are assembled from radially arranged one-dimensional nanoneedles or nanospikes, and the surface of the core contains oxygen vacancies (O). vac The shell is an in-situ grown ultrathin zeolite imidazole ester framework material, ZIF-8, which possesses hydrophobic and molecular diffusion channel properties. This invention also constructs a matching biomimetic three-phase interface photothermal reaction system. Through the synergy of a hydrophilic substrate supplying water and a hydrophobic, permeable shell, it achieves a balance between gas diffusion and proton supply, reducing the submersion of active sites by liquid water and the occurrence of side reactions. This invention has significant advantages such as high photothermal conversion efficiency, mild preparation conditions, and high gas-liquid interface mass transfer efficiency.

This utility model relates to a wireless charging device, including a housing with a cavity inside. A battery, a transmitting coil, and a cooling component are disposed within the cavity. The transmitting coil and the cooling component are electrically connected to the battery. The housing has a length direction, a width direction, and a thickness direction. The transmitting coil is located on the side of the battery in the thickness direction. A temperature-conducting component is disposed between the battery and the transmitting coil, and is thermally connected to the transmitting coil. A portion of the temperature-conducting component projected along the thickness direction is located inside the battery, and a portion extends beyond the outline edge of the battery to form an extension. The extension, the battery, and the inner wall of the housing enclose a cooling cavity. The cooling component is disposed within the cooling cavity, and its cold end is thermally connected to the temperature-conducting component. This utility model can achieve better cooling of the transmitting coil, avoiding excessively high surface temperatures of electronic devices during wireless charging.

This utility model relates to the field of mold surface treatment technology, specifically to a mold surface treatment device integrating preheating and coating, including a base and structural components. The structural components include a horizontal block, a spray head, an electric guide rail, an infrared radiation heater, a vertical block, a block body, a fixed plate, a spring, a slide, a moving component, and an adjusting component. The horizontal block is slidably mounted on one side of the base, the moving component is connected to the base and the horizontal block, the block body is fixedly mounted on the side of the horizontal block away from the base, the slide is slidably mounted on the side of the block body away from the horizontal block, the fixed plate is fixedly mounted on the side of the slide body away from the block body, the adjusting component is connected to the base, the electric guide rail is connected to the adjusting component, the spray head is connected to the output end of the electric guide rail, the vertical block is mounted on the side of the base near the horizontal block by bolts, the infrared radiation heater is fixedly mounted on the side of the vertical block away from the base, one end of the spring is connected to the fixed plate, and the other end of the spring is connected to the block body, thereby improving the surface treatment effect of the mold.

The utility model provides wafer curing equipment capable of improving a wafer cooling effect. The wafer curing equipment comprises a process chamber and a gas path system, the gas path system is connected to the process chamber and is hermetically communicated with a gas distribution device in the process chamber; the gas path system comprises a gas pipeline and a refrigerating device wrapping the gas pipeline; the gas path system provides low-temperature gas with controllable temperature for the process chamber, and the low-temperature gas is sent out through gas outlet holes evenly distributed in the gas distribution device.

The present invention relates to the technical field of light-converting agricultural films, and in particular to a quantum dot light-converting agricultural film suitable for high-cold and high-humidity areas and a preparation method thereof. The quantum dot light-converting agricultural film comprises three structural functional layers stacked in sequence from top to bottom: a first nanoparticle protective film, a quantum dot intermediate film layer, and a second nanoparticle protective film; the quantum dot intermediate film layer is prepared by co-extrusion blow molding of a film after mixing a quantum dot material, a polymer material, a lubricant, and an anti-ultraviolet agent; the first nanoparticle protective film and the second nanoparticle protective film have the same structure, and are both prepared by co-extrusion blow molding of a film after mixing a metal nanoparticle, a polymer material, a lubricant, and an anti-ultraviolet agent. The advantages are: effectively solving the problem of quantum dot function failure and agricultural film aging caused by water molecules of condensed water penetrating into the agricultural film and generating activated oxygen under strong sunlight; converting light in other bands to the red light band required for photosynthesis of crops.

The invention belongs to the technical field of photo-thermal hydrophilic thin films, and discloses a transparent hydrophilic thin film with photo-thermal anti-fog and demisting performance and a preparation method of the transparent hydrophilic thin film. The transparent hydrophilic film is obtained by performing film forming treatment on a composite film solution, and the composite film solution comprises polyvinyl alcohol, a sulfonic polymer, cesium tungsten bronze nanoparticles and deionized water. The preparation method comprises the following steps: dissolving polyvinyl alcohol in deionized water, constructing a hydrophilic cross-linked network through hydrogen-bond interaction between the polyvinyl alcohol and a sulfonic polymer material, and cooperating with cesium tungsten bronze nanoparticles to prepare the transparent photo-thermal hydrophilic anti-fog film. According to the prepared anti-fog thin film material, a distorted non-coplanar structure is introduced to increase the free volume of molecules, so that the moisture absorption capacity in the thin film is improved, high transparency is kept, meanwhile, excellent photo-thermal performance is achieved in the ultraviolet / near-infrared region of sunlight, and the anti-fog and demisting effects are achieved under strong sunlight irradiation.

This invention relates to a method for preparing a hydrophobic island-type fiber nonwoven fabric for efficient oil absorption. The invention pretreats the island-type fiber nonwoven fabric with an aqueous sodium hydroxide solution, opening the fibers and removing impurities from the fabric surface. The polypyrrole particles loaded on the surface of the island-type fiber nonwoven fabric endow it with excellent photothermal conversion properties, enabling in-situ heating of high-viscosity oils and improving its adsorption performance. The polydimethylsiloxane coating gives the island-type fiber nonwoven fabric good hydrophobic and oleophilic properties, allowing it to selectively adsorb oils in complex environments and effectively adsorb different types of oils. Under light irradiation, the island-type fiber nonwoven fabric can in-situ heat crude oil, reducing its viscosity and achieving rapid adsorption. The selected polypyrrole preparation process is mature, and polydimethylsiloxane has good hydrophobic properties and is fluorine-free. This invention provides an effective and environmentally friendly solution to the problem of oil adsorption and recovery.

The invention relates to the technical field of intelligent punching equipment, in particular to a punching system which comprises a punching machine and a lifting mechanism, a buffer mounting groove is formed in the punching machine, a supporting base corresponding to the lifting mechanism is arranged in the buffer mounting groove, and a buffer mechanism capable of conducting damping and noise reduction on the supporting base is arranged in the buffer mounting groove. A cooling mechanism capable of cooling the supporting seat is arranged on the buffer mechanism and is started along with the lifting mechanism after being started, energy is converted, vibration and noise are reduced, the influence on the environment is reduced, environmental protection is facilitated, the impact load borne by the mold is reduced, the loss and the failure rate of the mold are reduced, and the service life of the mold is prolonged; and the equipment maintenance frequency and cost are reduced, the production efficiency is improved, the equipment operation reliability and stability are improved, thermal deformation during part machining is reduced, the quality and machining precision of stamped parts are improved, high-quality development of the stamping technology is promoted, and the product competitiveness is improved.

The invention discloses a slab continuous casting method for realizing high-temperature ejection. A plurality of water tanks are arranged on the back surface of a copper plate of a crystallizer of a continuous casting machine and the positions of fixing bolts; a casting blank high-temperature area at the upper part of the continuous casting machine adopts different cooling strengths; heat insulation materials are arranged between the fan-shaped sections of the continuous casting machine and between the rollers in the fan-shaped sections; cooling water pipelines are arranged in the rollers of the arc-shaped section, the straightening section and the horizontal section of the continuous casting machine. According to the method, the surface temperature of the casting blank out of a casting machine is increased under the condition that the casting blank has a solidified blank shell which is thick enough at the high pulling speed, continuous casting production of the plate blank at the high pulling speed can be achieved, and the high surface temperature of the plate blank can also be achieved.

A cooling device for an outdoor electrical control cabinet that is easy to disassemble comprises an arc-shaped bottom plate, an arc-shaped cover, a water tank, a water pump, a coil and an air cooling system. The arc-shaped bottom plate is a semi-annular flat plate structure, which is arranged at the bottom of the electrical control cabinet, and the top of the arc-shaped bottom plate is provided with an arc-shaped cover that slides with it, and the top of the arc-shaped cover is provided with a water tank that slides with it, and the water tank is arranged directly above the electrical control cabinet, and a water inlet is provided on the water tank, and a water pump is provided inside the water tank, and the water outlet of the water pump is connected to the water inlet of the coil, and the water outlet of the coil is connected to the water tank, and the coil is fixedly connected to the inner arc surface of the air cooling system through the arc plate fixed thereon. This design can not only reduce the air temperature through cooling water, effectively improving the heat dissipation capacity of the cooling device, but also block the sunlight through the semi-arc cover to prevent the electrical control cabinet from being directly exposed to the sunlight.

The invention discloses an electric power cabinet with a good heat dissipation effect for urban electric power construction, and belongs to the technical field of electric power cabinet equipment.The electric power cabinet comprises a cabinet body and a sun shield, an air outlet is formed in the top of the cabinet body, air inlets are formed in the two opposite side faces of the cabinet body, and fans and filtering faces are installed in the air inlets; the cabinet body is fixed to the ground through supporting legs arranged on the bottom face, the cabinet body is located on the shady face after the cabinet body is installed, the sun shield and the top plate form an integral structure, the top plate is installed at the top end of the cabinet body through supporting columns, the sun shield is connected to the outer side of the cabinet body in a sleeving mode, a cavity is formed between the sun shield and the corresponding side face of the cabinet body, and a plurality of inclined holes are formed in the sun shield. One end of the inclined hole located on the outer side face of the sun shield is a bottom end, and one end of the inclined hole located on the inner side face of the sun shield is a high end. Sunlight irradiated from the outer side ports of the inclined holes falls on the inner walls of the inclined holes, so that the sunlight is prevented from penetrating through the inclined holes to irradiate the surface of the cabinet body, and the temperature of the surface of the cabinet body is prevented from being increased by the sunlight.

The present invention provides a cable sheath extrusion device and an extrusion method thereof, belonging to the technical field of cable sheaths. The cable sheath extrusion device comprises a base, an extrusion mechanism and a cleaning mechanism. A support is installed on the surface of the base, a loading bin is installed on the surface of the support, and the extrusion mechanism is installed on the surface of the base. The extrusion mechanism comprises a feed pipe, a molding box and an extrusion cavity, and the feed pipe is installed in the inner cavity of the support. The present invention sets an extrusion mechanism, and a first motor can drive the conveying shaft and the conveying blade to rotate, and the feed pipe is synchronously heated by a heating pipe to melt the raw material, and the molten raw material is filtered through a filter plate, and then the raw material is extruded through the extrusion cavity and coated on the surface of the cable to realize the extrusion of the cable sheath; at the same time, when the conveying shaft rotates, it can synchronously drive the two grinding rollers to rotate, and drive the grinding rollers to rotate synchronously through the meshing first gear and the first gear ring, grind the unmelted impurities on the surface of the filter plate, and ensure the quality of the cable sheath.

The application discloses a water body pollution detection method and system based on satellite thermal infrared remote sensing, and relates to the technical field of water body pollution detection. The method comprises the following steps: collecting thermal infrared remote sensing parameters, environmental monitoring parameters and geographical feature parameters, constructing a detection basic parameter set, and extracting an effective water body grid; combining the thermal infrared remote sensing parameters of the effective water body grid with the environmental monitoring parameters, dynamically optimizing temperature inversion model parameters, performing temperature inversion, and obtaining water body surface temperature; performing pollution-free grid screening based on the water body surface temperature, and obtaining water body thermal infrared reference parameters of the pollution-free grid; comparing the water body surface temperature with the water body thermal infrared reference parameters, identifying and extracting water body thermal anomaly grid parameters; and performing spatial feature analysis based on the water body thermal anomaly grid parameters, positioning a water body pollution discharge outlet, and obtaining a pollution diffusion range. The application effectively improves the precision of water body pollution detection and the accuracy of spatial positioning of the pollution discharge outlet.

The invention discloses a catechol group-containing epoxy resin toughness curing agent and a preparation method thereof.According to the method, a catechol group-containing thiol / carboxylic acid / amine epoxy resin curing agent is synthesized through a two-step method, and sites are provided for formation of further reversible catechol metal coordination bonds in a cross-linked network; and preparing the epoxy resin material containing the double cross-linked network through ring-opening reaction between sulfydryl and epoxy group, carboxyl and epoxy group or amino and epoxy group. The energy dissipation capacity of the epoxy resin material containing the coordination network is remarkably improved when the epoxy resin material is stimulated by the outside, and the catechol metal coordination structure uniformly dispersed in the network plays a key role in the balance of the rerigidity and the toughness under repeated loading-unloading cycles. In addition, the introduction of catechol metal coordination bonds causes the change of the ultraviolet absorption wavelength of the epoxy resin, and the epoxy resin can be used as a photothermal conversion material. According to the invention, the application of the thermosetting epoxy resin in the advanced fields of flexible robots, self-adaptive equipment and the like has important significance.

The utility model provides a radiating fin structure and an electrical oil heater, the radiating fin structure comprises a plurality of first radiating fin assemblies and a plurality of second radiating fin assemblies, the first radiating fin assemblies and the second radiating fin assemblies are internally provided with oil path channels, and the first radiating fin assemblies and the second radiating fin assemblies are alternately stacked. A gap between the first cooling fin assembly and the second cooling fin assembly forms an air exchange area, and the edge of the first cooling fin assembly or the second cooling fin assembly is provided with a circle of heat conduction fins. Through the design that the heat conducting fins are arranged at intervals, an air exchange area is enlarged, uniform temperature distribution of the heat dissipation structure is ensured, and formation of surface overheat points is reduced. Due to the fact that the first cooling fin assembly with the high temperature is not provided with the cooling fins, the surface temperature can be fully increased, the temperature of a heat source can be increased, the first cooling fin assembly is clamped between the two second cooling fin assemblies with the cooling fins and located in the non-touchable area, and the risk that a user is scalded is reduced.

The invention provides a semiconductor device, a preparation method thereof and a chip, relates to the technical field of semiconductors, and aims to reduce the process difficulty. The preparation method of the semiconductor device comprises the following steps: forming a bottom electrode on a substrate; forming a dielectric layer by adopting a sputtering process, wherein the dielectric layer is positioned on one side, far away from the substrate, of the bottom electrode; a top electrode is formed and located on the side, away from the substrate, of the dielectric layer; wherein in the process of forming the dielectric layer, the substrate is heated, and the heating temperature ranges from 50 DEG C to 400 DEG C; moreover, in the process of forming the dielectric layer, direct current bias voltage is applied to the substrate, the change range of the direct current bias voltage is-500V to + 150V, or radio frequency bias power is applied to the substrate, and the change range of the radio frequency bias power is 50w to 400w. The semiconductor device can be applied to a memory chip or a sensor chip, the memory chip can be a nonvolatile memory, and the sensor chip can be a micro electro mechanical system pressure sensor.