928results about How to "Improve thermal efficiency" patented technology

The invention provides a polyurethane material for leaking stoppage of coal mine spraying and a preparation method thereof, and belongs to the technical field of polyurethane. The preparation method comprises the following steps: pretreating a multi-walled carbon nanotube, coupling phytic acid and a silane coupling agent, reacting with UiO-66-NH2, coating the surface with a graphene oxide layer, mixing with polyether polyol, a catalyst and an antistatic agent, adding into water, adding a foaming agent and silicone oil, heating, stirring and mixing, transferring into a mold, adding diisocyanate, and after foaming is completed and the temperature of the material is reduced to room temperature, carrying out extrusion molding to obtain the composite material. And drying, heating and curing to obtain the polyurethane material for coal mine spraying air leakage stoppage. By adding the prepared wrinkled graphene oxide coated UiO-66-NH2 / modified multi-walled carbon nanotubes, the mechanical property and strength of the prepared polyurethane material for coal mine spraying air leakage stoppage can be obviously improved, the flame retardant property such as the oxygen index of the material is also obviously improved, the foam expansion is improved to a certain extent, the preparation method is simple, and the preparation method is suitable for industrial production. The flame-retardant and mechanical properties can be obviously improved, and the application prospect is wide.

The invention relates to the technical field of fused salt phase change materials, and discloses a fused salt phase change energy storage material and a preparation method and application thereof. The preparation method of the fused salt phase change energy storage material comprises the following steps: mixing NaNO3 and KNO3 according to a mass ratio of 6: 4, grinding, heating to 400 DEG C, melting, cooling, and grinding again to obtain eutectic salt; the preparation method comprises the following steps: dispersing few-layer graphene oxide and sodium ascorbate in water, and uniformly mixing to obtain slurry; performing hydro-thermal treatment on the slurry, and performing freeze drying to obtain graphene aerogel; dissolving the eutectic salt in water to prepare a saturated solution, and carrying out dipping treatment on the graphene aerogel in the saturated solution under vacuum; and freeze-drying a product subjected to dipping treatment to obtain the fused salt phase change energy storage material. According to the preparation method, the molten salt uniformly permeates pores of the graphene aerogel by adopting a vacuum impregnation method, and the infiltration angle of graphene and the molten salt is large, so that the molten salt is not easy to leak, the heat conductivity is further improved, and the heat conduction efficiency and the phase change stability are remarkably improved.

The invention provides a solid laser and a temperature control device for a crystal of the solid laser. The temperature control device comprises a first heat sink assembly, a thermoelectric refrigeration part, a second heat sink assembly and a clamping assembly, the first heat sink assembly and the second heat sink assembly are oppositely arranged at an interval; the thermoelectric refrigeration part is clamped between the first heat sink assembly and the second heat sink assembly, the cold end of the thermoelectric refrigeration part faces the first heat sink assembly, and the hot end of the thermoelectric refrigeration part faces the second heat sink assembly; the clamping assembly is arranged on the side, away from the first heat sink assembly, of the second heat sink assembly and used for clamping the solid laser crystal. The thermoelectric refrigeration part is arranged between the first heat sink assembly and the second heat sink assembly, so that the temperature of the laser crystal suitable for working at high temperature can be continuously and stably maintained within a relatively low temperature fluctuation range, the crystal generates heat during working, positive feedback is carried out on the heating sheet by temperature rise, the heat conduction efficiency is higher, the temperature control effect is better, and the service life of the laser crystal is prolonged. And heat is uniformly distributed on the crystal, so that a thermal lens effect is avoided.

The invention discloses a steel slag whole-process dry treatment process, and belongs to the technical field of steel slag treatment. Comprising the following steps: S1, a rolling procedure: carrying out rolling crushing on liquid steel slag, and in the process, cooling by adopting an air cooling mode to solidify the liquid steel slag; s2, a cooling procedure, wherein the steel slag obtained in the step S1 is cooled to 100 DEG C or below in a non-air-cooling mode; s3, a grinding procedure; s4, a sorting procedure; and S5, a waste heat recovery process, wherein heat released by the steel slag in the rolling process and the cooling process is recycled. The invention further discloses a steel slag whole-process dry processing system. Through reasonable design, gradient cooling is formed in the rolling procedure and the cooling procedure, meanwhile, heat released by steel slag in the two procedures is recycled, and the problem that the steel slag treatment waste heat recovery rate is low is solved.

The invention belongs to the field of flow heat transfer testing devices and the technical field of semiconductor chip and integrated circuit packaging heat dissipation, particularly relates to a flow heat transfer testing device and method for a 3DIC, and aims to solve the problem of heat management experiment testing of a 3DIC structure under the condition of high heat flux. The device comprises alternately stacked open type heating sheet slots, micro-channel modules, MCH ceramic heating sheets, interlayer communication columns, a flow distributor and a plurality of temperature measuring elements. Through a reasonably designed fluid distribution system and a precise heat conduction structure, an equivalent substitution experiment scheme of a real 3DIC is realized, the problem of small-space temperature measurement point and heat source arrangement is solved, and the problems of non-uniform flow distribution of gas-liquid two-phase flow in a variable cross-section sub-runner and the like are solved. The device has a real-time temperature monitoring capability, is suitable for thermal management research and multiphase flow pattern observation of 3DIC, and provides a scientific basis for optimization design and performance improvement.

The embodiment of the invention provides a chip heat dissipation assembly and a vehicle, relates to the technical field of heat dissipation, and is used for reducing the stress borne by a chip while improving the heat dissipation capability of the chip heat dissipation assembly. The chip heat dissipation assembly comprises a circuit board, a chip, a heat dissipation structure and a heat-conducting medium. The chip is located on the circuit board. The heat dissipation structure covers the side, away from the circuit board, of the chip and is connected with the circuit board. The heat dissipation structure comprises a heat dissipation plate, a surrounding part and a boss part. The surrounding part and the boss part are located on the side, close to the chip, of the heat dissipation plate. The enclosure part and the boss part are both connected with the heat dissipation plate, and the enclosure part is arranged around the boss part; a closed space is defined by the heat dissipation plate, the enclosure part, the boss part and the chip, and a gap is formed between the boss part and the chip. The closed space is filled with the heat-conducting medium, the heat-conducting medium is in a solid state at a first temperature and is in a liquid state at a second temperature, and the second temperature is higher than the first temperature. The chip heat dissipation assembly is applied to a vehicle so as to improve the heat dissipation capacity of a chip in the vehicle.

The invention relates to the technical field of mechanical transmission, and provides a connecting rod transmission mechanism and a mirror image engine. The connecting rod transmission mechanism comprises a power sliding block, a power connecting rod and two power pistons, the power connecting rod comprises a connecting rod base body and two linear rod parts, the linear rod parts extend in the first direction, the front end of each linear rod part is connected with one power piston, and the rear end of each linear rod part is fixedly connected with the connecting rod base body; the two linear rod parts are located on the two opposite sides of the connecting rod base body in the first direction, and the power sliding block is installed on the connecting rod base body in a sliding mode in the second direction. The linear rod part does not need to contain a bearing, rotation motion does not exist, the overall cross section is uniform or roughly uniform, standard sinusoidal motion / cosine motion is met, the size reduction design of the linear rod part and the air cylinder is facilitated, the compression ratio in the air cylinder is increased, the combustion efficiency is improved, the overall structure of the engine is more compact, and the needed engine cabin space is reduced. And the power-to-weight ratio and the acceleration performance of the vehicle can be improved.

The invention discloses a natural gas supply device for an industrial furnace, which relates to the technical field of gas supply systems for industrial furnaces, and comprises an annular guide rail which is arranged at the side end of a gas inlet flow regulation and control valve pipe in a sleeving manner and is used for driving an adjusting shaft and an ultrasonic generator to be positioned at the side end of a gas inlet pipeline to carry out ultrasonic frequency emission regulation and control, under the cooperation of the oxygen-containing regulation and control assembly, the oxygen content proportion in the natural gas in the oxygen-containing conveying pipe is rapidly corrected, the precise oxygen content needed by combustion of the industrial furnace is guaranteed, super-uniform mixing of natural gas and oxygen is integrally achieved, the incomplete combustion phenomenon caused by fluctuation of the oxygen content is reduced, and the heating effect and the product quality are improved; and under the cooperation of the ultrasonic adjusting assembly, more complex pipeline impurity conditions can be treated, so that emission parameters and reflection angles of self-adaptive automatic adjustment ultrasonic waves are formed, natural gas conveying is smoother, and therefore the combustion stability and heat efficiency of the industrial furnace are improved.

The invention discloses a ventilator shell anti-icing device and an installation method, and relates to the technical field of air blowers. An anti-icing device for a ventilator shell comprises a heating module, a supporting module and an emptying module. The heating module comprises a coil pipe, and heating fluid is arranged in the coil pipe; the coil pipe is pressed and connected to the bottom position of the outer side wall of the fan shell through the supporting module; the emptying module comprises an emptying pipe, one end of the emptying pipe is connected with the fan shell, and a valve body is installed at the other end of the emptying pipe. The emptying pipe is communicated with the bottom of the inner cavity of the fan shell. The supporting module enables the heating module to be installed at the bottom of the outer side wall of the fan shell, the heating module heats water in the fan shell and an inner cavity of the fan shell, liquid water is prevented from being frozen into ice or solid ice is prevented from being melted into liquid water, and then the liquid water is discharged out of the fan through the emptying module, so that the anti-freezing effect is achieved, and the service life of the fan is prolonged. And the operation safety is improved.

The utility model discloses a heating component and an aerosol generating device. The heating component comprises a heating pot body and a first electrode, wherein the heating pot body is provided with an accommodating cavity for accommodating an aerosol-forming substrate; the first electrode is fixed to the outer surface of the heating pot body and used for forming an electric arc outside the containing cavity. According to the aerosol generating device, the first electrode is fixed on the outer surface of the heating pot body, and the first electrode and the heating pot body form an integral heating part, so that the first electrode and the heating pot body can be taken out and replaced together after the aerosol generating device is used for a period of time; therefore, normal work of the aerosol generating device is not easily affected by electrode loss, and reliability and cleaning convenience of the aerosol generating device are improved. And the electrodes and the heating pot body are integrated, so that efficient utilization of heat is facilitated. In addition, the change of the resistance value of the first electrode is formed through measurement, the replacement critical point of the heating pot body can be judged, and therefore the replacement standard is unified.

The invention belongs to the technical field of fuel cells, and particularly relates to a distributed fuel cell power generation system based on solid hydrogen storage, which comprises a box body, a fuel cell module, a gas supply module, an output module and a control module, the invention provides a novel solid hydrogen storage bottle structure which is composed of a heat insulation layer, a composite phase change material filling area and a hydrogen storage area, bionic heat conduction fins are designed between the composite phase change material filling area and the hydrogen storage area, and a high-efficiency hydrogen release angle of a solid hydrogen storage bottle is designed. The control module predicts required power according to a deep neural network through collected data, obtains the relation between the required power and the hydrogen and oxygen flow through building a model, and achieves precise control over the gas flow through sliding mode control and PID control so as to ensure that the power can be matched in real time.

The invention discloses a multi-mode energy-saving central air conditioner ventilation system which comprises a fresh air system and an exhaust system, and the fresh air system comprises a fresh air inlet pipeline, a fresh air primary-efficiency filter box, a fresh air medium-efficiency filter box and a fresh air supply pipeline which are sequentially connected in the downwind direction; the air exhaust system is characterized in that the air exhaust system comprises an air exhaust inlet pipeline, an air exhaust primary-effect filter box, an air exhaust medium-effect filter box, an air exhaust air collecting box and an air exhaust outlet pipeline which are sequentially connected along the air direction, and an air exhaust sterilization and purification mechanism which is communicated front and back is further arranged between the air exhaust primary-effect filter box and the air exhaust medium-effect filter box; an exhaust air return box communicated in the front-back direction is further arranged between the exhaust air medium-efficiency filter box and the exhaust air collecting box, and an air return circulating valve is arranged in the exhaust air return box and communicated with the fresh air medium-efficiency filter box. The central air-conditioning ventilation system is suitable for peacetime and wartime combined medical public buildings or respiratory tract infectious disease areas, and is low in energy consumption.

The invention discloses a continuous nickel smelting method and equipment, the equipment comprises a smelting furnace, an electric furnace and a converting furnace, the smelting furnace is provided with a feeding port and a reducing agent and vulcanizing agent feeding port, and one side of the electric furnace is directly communicated with the bottom of one side of the smelting furnace; one side of the converting furnace is directly communicated with the bottom of the other side of the smelting furnace, the heights of the furnace bottoms of the electric furnace, the smelting furnace and the converting furnace are sequentially reduced, the lower part of the smelting furnace is provided with a molten pool reaction area with a copper water jacket for cooling, the molten pool reaction area is provided with a group of primary tuyeres, and the group of primary tuyeres is provided with a group of secondary tuyeres. The upper part of the smelting furnace is provided with a group of secondary tuyeres; and the converting furnace is provided with a spray gun. According to the invention, the laterite-nickel ore smelting, settling separation and blowing functions are simultaneously realized by one furnace partition, a blowing furnace and a settling electric furnace do not need to be independently configured, and the maximum utilization of the sensible heat of the slag is realized.

The invention relates to a full-automatic circulating canal scalding pool for pig slaughtering, and belongs to the field of livestock slaughtering, the full-automatic circulating canal scalding pool comprises a scalding pool body, a water pump circulating pipeline, an inlet descending track, an outlet lifting track, a double-hinge strip, a supporting cross beam frame, a pig pressing device, a hook chain, a scalding pool shield and a drainage pipeline, the turning position of the scalding pool is of a semi-arc structure, turning is smoother, and cross collision is reduced; the water pump circulation pipeline enables the water pumping and draining direction to be consistent with the water flow direction, automatic circulation of water flow in the scalding pool is achieved, the water flow heating effect is improved, the heating time is shortened, meanwhile, faster reverse water flow can keep backward pulling force of a pig body on a hook, and unhooking is avoided. The novel double-hinge strip with side guiding is used, and two corner wheels are removed, so that the operation is more stable; the front end and the rear end of the scalding pool are communicated, so that water flow in the scalding pool can integrally flow circularly, the uniformity of water temperature and the heating efficiency of pig carcasses are improved, the heating time is shortened, and the freshness of meat is improved.

The utility model provides an intelligent snow and ice melting system for a steel structure roof. Comprising an intelligent control system (1), a snow melting and deicing system (2), an environment monitoring system (3), a first connecting line (4) and a second connecting line (5), the environment monitoring system acquires the roof state and transmits a signal to the intelligent control system, the intelligent control system judges whether to start the snow and ice melting system or not, and heating is started when the temperature reaches the lower limit value and the accumulated snow or ice thickness reaches the upper limit value. Stopping heating when the temperature reaches an upper limit value and the thickness of accumulated snow or ice reaches a lower limit value; after the snow and ice melting system is started for heating, the heating power of the adjustable infrared heating film is changed along with the change of the environment state of the roof, the heating power is reduced when the outdoor temperature is high and the snow body thickness and the ice body thickness are small, and the heating power is increased when the outdoor temperature is low and the snow body thickness and the ice body thickness are large. And the most ideal snow melting and deicing effect can be achieved with the minimum power consumption.

The invention relates to the technical field of adhesives, in particular to high-thermal-conductivity gel containing modified filler and a preparation method of the high-thermal-conductivity gel. Organic silica gel is taken as a main body, the curing rate is moderate, no selectivity is caused to a base material, a silane coupling agent is introduced to modify thermal-conductivity filler powder, the compatibility of particles and a silica gel matrix is enhanced, and the thermal conductivity of the high-thermal-conductivity gel is improved; the heat conductivity of the sample is further improved, and the reasonable filler grading is beneficial to the filler to form more heat-conducting passages or heat-conducting networks in a polymer matrix, so that the transmission rate of phonons in the material is enhanced, and the heat conductivity of the composite material is enhanced; through combination of the modified large-particle-size spherical alumina powder, the modified small-particle-size spherical alumina powder and the modified angular alumina powder, a heat-conducting network structure in the gel can be improved, and the filler is modified through the modifier, so that the interface bonding force between the filler and a silicone oil matrix can be enhanced; and the heat conduction efficiency is improved on the basis of reducing the thermal resistance.

The utility model discloses papermaking residue recycling equipment, and relates to the technical field of papermaking device.The papermaking residue recycling equipment comprises a base and a working mechanism, the upper end of the base is fixedly connected with the working mechanism, the working mechanism comprises a wastewater treatment assembly fixedly connected to the upper end of the base, and the outer side of the wastewater treatment assembly is fixedly connected with a water storage assembly; according to the papermaking residue recycling equipment, through the arrangement of the working mechanism, during use, the design of the working mechanism of the papermaking residue recycling equipment embodies the concepts of environmental protection and resource recycling, the influence of the papermaking industry on the environment is effectively reduced, and through the wastewater treatment assembly and the water storage assembly, the papermaking residue can be recycled. The equipment can reduce wastewater discharge and recycle water resources, meanwhile, the fixed protection assembly ensures the safety of operators, the heat dissipation assembly and the treatment assembly work cooperatively, the heat efficiency and the treatment capacity of the equipment are improved, and stable operation of the equipment is ensured.

The invention relates to equipment for power generation and BOG treatment by using LNG cold energy and a near-zero emission method, and the equipment combines a BOG treatment system, a gas turbine exhaust carbon dioxide capture system, an LNG cold energy power generation system and a BOG gas turbine power generation system, so that the complementary energy of an LNG receiving station is cooperatively recovered; the problem of energy waste caused by large BOG load fluctuation quantity in the prior art is solved, and the energy utilization rate of the LNG receiving station is increased; according to the difference of the output of the LNG receiving station and the BOG output, the equipment is provided with a high-pressure compression process and a re-condensation liquefaction process to cooperatively recover BOG, meanwhile, flue gas waste heat generated after BOG combustion power generation is used for heating heat conduction oil, the heat conduction oil is used for providing a heat source for the LNG cold energy power generation system, the efficiency of the cold energy power generation system is improved, and the energy consumption of the cold energy power generation system is reduced. And meanwhile, the problem of carbon emission of discharged tail gas is solved by utilizing an efficient carbon dioxide trapping technology, so that the purposes of energy conservation and emission reduction are achieved.

The utility model relates to electronic equipment which comprises a shell, a screen, a heating device, a heat conduction assembly and a heat conduction connecting piece, the shell comprises a middle frame and a rear cover, the screen is installed in the middle frame, the rear cover and the screen are distributed on the two sides of the middle frame in the thickness direction of the electronic equipment, and the heating device is located in a containing cavity of the electronic equipment. The heat conduction assembly is connected with the heating device and connected with the screen and / or the rear cover. The heat conduction connecting piece is connected with at least part of the heat conduction assembly, so that the heat dissipation channels formed by the heat conduction assembly are connected in parallel, heat of the heating device can be uniformly conducted to each heat dissipation surface of the electronic equipment, the temperature uniformity of each heat dissipation surface of the electronic equipment is improved, the risk of local high temperature of the electronic equipment is reduced, and the service life of the electronic equipment is prolonged. And the holding experience of the user is improved. Meanwhile, thermal resistance can be reduced, heat dissipation efficiency is improved, and the service life of the heating device and the electronic equipment is prolonged.

The invention discloses high-integration generator stator cooling water dissolved hydrogen content on-line monitoring equipment which comprises a cabinet, a first partition plate and a second partition plate are arranged in the cabinet, the first partition plate vertically divides the cabinet into a lower space and an upper space, and the second partition plate horizontally divides the upper space into a first installation space and a second installation space; the sample constant temperature unit is mounted in the lower space, and the sample constant temperature unit is connected with the generator water inlet main pipeline and the generator water return main pipeline; the sampling unit is mounted in the first mounting space, is connected with the sample constant-temperature unit and is connected with a water inlet and outlet pipeline, and the water inlet and outlet pipeline is positioned in the first mounting space; the detection and analysis unit is located in the second installation space, the sampling unit is connected with the detection and analysis unit, and the detection and analysis unit is connected with a drainage device connected with a generator stator cooling water tank. According to the scheme, the pipeline trend is simple, on-site construction and installation are facilitated, the on-site construction difficulty is greatly reduced, and the construction period is greatly shortened.

The invention relates to a fly ash sintered material with high fly ash mixing amount and a preparation method and application thereof. The method comprises the following steps: uniformly mixing silicon powder, alkali, water and a dispersing agent, and stirring and reacting at 75-95 DEG C for 4-12 hours to obtain a special silicon aggregate solution; uniformly mixing a sintering aid and the waste incineration fly ash to obtain solid powder, and then putting the solid powder and the special silicon aggregate solution into a forming and granulating device for forming and granulating to obtain formed particles; the waste incineration fly ash is calcined for 0.2-1.2 h in high-temperature treatment equipment at the temperature of 600-900 DEG C, the fly ash sintered material is obtained, the mass fraction of the waste incineration fly ash in the fly ash sintered material is 70-85%, and the mass fraction of the sintering aid is 2-5%; according to the method, the high doping amount of the waste incineration fly ash can be achieved in the fly ash sintering heat treatment process, the sintering temperature can be reduced, and the fly ash sintered material with the heavy metal leaching toxicity reaching the standard and the strength reaching the standard can be obtained by conducting low-temperature sintering treatment on the waste incineration fly ash with the high fly ash doping amount.

The invention discloses a high-temperature-resistant expanded-diameter wire, and relates to the related technical field of high-voltage wires, the high-temperature-resistant expanded-diameter wire comprises an inner skeleton, heat dissipation skeletons, first composite conductive cores and second composite conductive cores, the heat dissipation skeletons are uniformly arranged on the outer side of the inner skeleton, and the first composite conductive cores are symmetrically twisted, wound and embedded on the two sides of the inner end of the heat dissipation skeleton; the second composite conductive cores are symmetrically twisted, wound and embedded on two sides of the outer end of the heat dissipation framework, and rubber bags are arranged on the inner sides of the adjacent second composite conductive cores. The inner-layer first composite conductive core and the middle-layer second composite conductive core are preliminarily fixed through the heat dissipation frameworks, and then the heat dissipation frameworks, the first composite conductive core and the second composite conductive core are fixedly installed in cooperation with the inner framework and the rubber bag. The inner framework, the heat dissipation framework, the first composite conductive core, the second composite conductive core and the rubber bag form a whole, and the overall stability of the device is enhanced.

The present invention discloses a direct-fired semi-gasification biomass boiler for straw bale burning, comprising: a boiler body, a straw drying and breaking chamber, and a chain grate; the boiler body comprises a boiler shell and a furnace, and the boiler shell is fixed to the top of the furnace; a rear arch, a front arch, a partition wall, etc. are fixed in the furnace and have a semi-gasification combustion chamber, a fixed carbon burnout chamber, and an enhanced combustion chamber; the chain grate is horizontally arranged at the bottom of the furnace and a plurality of air chambers are arranged below it along its conveying direction; the straw drying and breaking chamber is arranged in front of the feed port of the boiler body, and a straw breaking device is arranged inside it. The present invention solves the problem of direct-fired straw bale burning by arranging a straw breaking device; due to the use of a chain grate, continuous feeding and continuous slag discharge are possible; at the same time, the staged combustion of the semi-gasification combustion chamber, the fixed carbon burnout chamber, and the enhanced combustion chamber not only improves the combustion effect, but also produces a low concentration of nitrogen oxides, achieving the effect of energy saving and environmental protection.

The invention relates to the technical field of ceramic-based composite materials, in particular to a wear-resistant lubricating and toughening ZTA composite ceramic material and a preparation method thereof. The preparation method specifically comprises the following steps: a, respectively carrying out water immersion, centrifugation and drying on 100-200nm aluminum oxide powder and 1-2mu m yttrium oxide stabilized zirconium oxide powder to finish raw material pretreatment; b, adding a ball-milling medium alcohol into the aluminum oxide powder, the yttria-stabilized zirconia powder and auxiliary metal powder which are pretreated in the step a, and performing long-time wet ball-milling mixing; c, the powder obtained after ball milling and mixing in the step b is dried for 12-24 h at the temperature of 100-120 DEG C; and d, putting the powder dried in the step c into a discharge plasma sintering furnace, and sintering to obtain the ZTA composite ceramic material. The ZTA multiphase ceramic material has the advantages of short sintering time, energy consumption reduction, high fracture toughness, enhanced wear resistance, friction coefficient reduction and high hardness.

The invention provides a preparation method of a heat-conducting composite filler and a preparation method of a heat-conducting composite material.The preparation method comprises the steps that hexagonal boron nitride is subjected to ultrasonic stripping and then blended with interface-modified gallium-indium alloy, and the high-heat-conductivity gallium-indium alloy and boron nitride nanosheet composite heat-conducting filler is prepared. The composite heat-conducting filler can effectively improve the heat-conducting efficiency of boron nitride, is excellent in heat-conducting effect, can improve the heat-conducting capacity of a composite material in a deformation state in the deformation process of the heat-conducting composite material in a tensile state, and effectively dissipates tensile stress; the compatibility between the heat-conducting composite filler and the heat-conducting composite material base material can be improved through gallium-indium alloy microsphere interface modification.

The invention provides a high-efficiency low-consumption chain plate type fuel gas heat radiation indirect pyrolysis system, which belongs to the technical field of solid hazardous waste disposal, and comprises a nitrogen-filled low-pressure chain plate type pyrolysis subsystem I, a self-preheating type fuel gas heat radiation heat exchange subsystem II, a pyrolysis gas fractional condensation recycling subsystem III and an intelligent comprehensive control subsystem IV, the low-pressure chain plate type pyrolysis subsystem I of nitrogen exchanges heat with a high-temperature radiation section of the self-preheating type fuel gas heat radiation heat exchange subsystem II in the pyrolysis furnace; a low-pressure chain plate type pyrolysis subsystem I for combusting high-temperature tail gas and nitrogen of a self-preheating type fuel gas heat radiation heat exchange subsystem II exchanges heat with a discharging conveyor at a feeding conveying device or at the same time; pyrolysis flue gas generated in a pyrolysis furnace of the low-pressure chain plate type pyrolysis subsystem I of nitrogen is introduced into a pyrolysis gas fractional condensation recycling subsystem III for treatment. The device has the advantages of high yield, low energy consumption, high thermal efficiency and capability of recycling pyrolysis oil and recycling pyrolysis non-condensable gas.

According to the active thermal protection and thermal power generation integrated system based on the supercritical Brayton cycle, the two active cooling modes of convection cooling and sweating cooling are combined, and the energy utilization rate is increased; according to the gradient cooling structure of the nose cone front edge of the high-speed aircraft, the nose cone front edge is divided into a top end section, a middle section and a low end section, heat flows of the three sections are sequentially decreased, and porous metal matrix layers are arranged on the three sections of the nose cone front edge in a gradient mode according to the porosity; a two-stage regenerative-shunt recompression closed Brayton cycle power configuration obtained through calculation and optimization is adopted, and the characteristics of high energy recovery efficiency and compact system structure of the closed Brayton cycle are achieved; and a wing rib array is arranged in the heat exchange channel, so that a larger heat exchange surface area is provided.

The invention relates to the technical field of motors, and particularly discloses a dual-redundancy servo motor which comprises a shell, and the interior of the shell is hollow. The driving mechanism comprises a permanent magnet alternating current servo motor and a transmission shaft, the permanent magnet alternating current servo motor comprises a stator and a rotor, and the stator drives the transmission shaft to rotate; the two brushless resolver engines are arranged adjacent to the transmission shaft, the two brushless resolver engines are both provided with resolver parts, and the resolver parts are connected with two annular resolver parts arranged at the two ends of the interior of the shell; the heat dissipation mechanism comprises a heat dissipation annular plate, a heat dissipation spiral pipe and a peristaltic pump; the servo motor overcomes the defects that in the prior art, the temperature control of the servo motor is poor, and the utilization rate of the internal space is low.

The utility model relates to the technical field of LED packaging, and provides a substrate assembly and an LED device, and the substrate assembly comprises a substrate which is provided with an installation through hole; the heat conduction block is embedded in the mounting through hole, the heat conduction block is provided with a first surface and a second surface which are opposite to each other, the first surface is used for being connected with an LED chip, and the second surface is used for being connected with a radiator and / or a circuit board. Therefore, heat generated by the LED chip is directly transmitted to the radiator or transmitted to the radiator after passing through the circuit board, the radiating path is shortened, and the heat conduction efficiency and the radiating effect are improved.

The invention discloses a carnation heat shock transcription factor as well as a coding gene DcHsfA2 and application thereof. The dianthus caryophyllus heat shock transcription factor provided by the invention is a protein with an amino acid sequence as shown in SEQ ID NO: 2. The invention also provides an encoding gene DcHsfA2 of the carnation heat shock transcription factor. The invention also provides a method for preparing the transgenic plant, which comprises the following steps: introducing the coding gene into a starting plant to obtain the transgenic plant, compared with the starting plant, the heat resistance of the transgenic plant is improved. According to the invention, a molecular foundation is laid for improving the heat resistance of dianthus caryophyllus through a genetic engineering means, and a theoretical reference is provided for deeply researching the biological function and mechanism of the heat shock transcription factor in regulating and controlling the adversity stress resistance of plants.