1329 results about "Contact heat" patented technology

The invention relates to the technical field of optical communication, in particular to an optical module heat dissipation structure and a heat dissipation method thereof.The optical module is composed of an upper cover, a base, a PCBA board, an upper heat dissipation assembly and a lower heat dissipation assembly, and the upper heat dissipation assembly and the lower heat dissipation assembly are arranged on the upper side and the lower side of the PCBA board respectively and each composed of a heat conduction board and a heat dissipation device; the heat-conducting plate is arranged between the PCBA plate and the radiator, the first side of the heat-conducting plate is in contact with the PCBA plate, the second side of the heat-conducting plate is in contact with the radiator, and the radiator is internally provided with a radiating main air duct extending in the length direction of the radiator; cooling fins are embedded in the first side and the second side of the radiator, the cooling fins embedded in the second side of the radiator make contact with the corresponding upper cover or base, and the second side of the radiator is the side away from the heat conduction plate. According to the invention, heat generated by components on the PCBA board is transferred and dissipated by adopting a heat dissipation mode of combining dual-channel air-cooled heat dissipation and contact heat dissipation, and the internal temperature of the optical module can be efficiently reduced.

The invention discloses a high-temperature surface contact thermal resistance elimination method based on double thermocouple compensation, and belongs to the technical field of material thermal property characterization and testing. The method comprises the following steps: synchronously acquiring double-thermocouple temperature, and obtaining a temperature difference signal through filtering calibration and environment correction; calculating the real-time heat flux density according to the corrected temperature difference, the Seebeck coefficient and the dynamic correction factor; establishing a nonlinear dynamic coupling model containing contact thermal resistance parameters, and performing temperature interval division; identifying a contact thermal resistance parameter on line by adopting a self-adaptive recursive least square algorithm, and generating a dynamic thermal resistance compensation value; and applying the compensation value to a double-thermocouple signal according to the weight, and outputting accurate high-temperature surface temperature. According to the method, data acquisition and preprocessing, dynamic heat flow correction, nonlinear segmented modeling, self-adaptive online identification and refined compensation output strategies are adopted, the influence of high-temperature surface contact thermal resistance can be effectively eliminated, and the accuracy and reliability of temperature measurement in the high-temperature environment are remarkably improved.

The invention discloses a self-correction optimization method and system for heat transfer boundary conditions of a water jacket heater, and particularly relates to the technical field of condition optimization control. The method comprises the following steps: constructing a thermal fatigue deformation trend estimation model by collecting a furnace wall surface temperature sequence, furnace wall surface heat flux distribution information and a furnace wall thermal stress response curve of a furnace body structure component, and generating a geometric parameter drift vector; performing structure equivalent mapping analysis on the geometric parameter drift vector, and extracting contact thermal resistance change information; performing furnace wall heat flow field reconstruction on the geometric parameter drift vector to obtain a dynamic correction vector; and the contact thermal resistance change information and the heat flow correction vector are comprehensively analyzed, a time-varying boundary condition inversion model is constructed, and a multi-parameter coupling boundary correction set is output and used for updating the boundary conditions in the water jacket heating furnace heat transfer simulation model, so that identification and self-adaptive correction of the boundary conditions are realized, and the heat transfer control precision and the heat efficiency are improved.

Disclosed in the present invention is a heat dissipation structure integrating a heat dissipation plate and a phase change heat transfer device, comprising a heat dissipation plate and a vapor chamber. The heat dissipation plate is provided with a flow channel allowing for flowing of a dielectric material, an inlet allowing for flowing of the dielectric material into the flow channel, and an outlet allowing for flowing of the dielectric material from the flow channel. In addition, the upper end surface of the heat dissipation plate is further provided with an opening, and the vapor chamber is blocked on the opening in the upper end surface of the heat dissipation plate to directly perform contact heat transfer with the dielectric material in the heat dissipation plate. The present invention can efficiently solve the problem of insufficient heat exchange efficiency between the vapor chamber and a cooling medium material during composite heat dissipation of the vapor chamber and the heat dissipation plate, and effectively improve the cooling efficiency of the composite heat dissipation mode of the vapor chamber and the heat dissipation plate. Since the vapor chamber has high structural requirements, there is no need to make significant modifications to components, and in the present application, there is no need to change the internal structure of the vapor chamber, thereby making the production and processing easier to implement.

An air cooling system for electronic devices includes a body, a thermal conduction component, and a heat dissipation fan. The body has a heat dissipation port and air inlet ports. The air inlet ports are disposed at a first housing part and a second housing part of the body. The first housing part is opposite to the second housing part. The thermal conduction component is disposed in the body and configured to contact a heat source. The heat dissipation fan is disposed in the body. The heat dissipation fan includes a first axial air inlet opening, a second axial air inlet opening, and radial air outlet openings. The first axial air inlet opening corresponds to one of the air inlet ports of the first housing part. The second axial air inlet opening corresponds to one of the air inlet ports of the second housing part.

The invention discloses a heat dissipation control method and device for a single-phase immersed liquid cooling charging pile and a medium, and relates to the technical field of battery thermal management, and the method comprises the steps: carrying out the high-precision scanning and dynamic feature extraction of a built-in fiber grating array of a cold plate according to a partition flow control signal, and obtaining a temperature field matrix and a dynamic thermal feature set; performing multi-dimensional fusion analysis and electrochemical coupling analysis on the temperature field matrix and the dynamic thermal feature set to generate a thermal coupling parameter set; performing real-time risk quantitative evaluation and risk topological mapping on the thermal coupling parameter set, and outputting a risk topological data set; and performing cooling intensity dynamic modulation according to the risk topology data set, and obtaining a partition flow redistribution instruction. According to the invention, fine monitoring of the cold plate-battery interface contact thermal resistance is realized through a high-precision pressure field reconstruction technology, the accuracy and reliability of pressure distribution detection are significantly improved, and the local overheating risk caused by an assembly gap is effectively eliminated.

The invention discloses a radiator thermal efficiency full-detection test system, which belongs to the technical field of radiators and is provided with a heat source simulation module, an environment simulation module, an energy efficiency circulation module, a measurement and control analysis module and a digital twin module. The heat source simulation module is responsible for accurately simulating the heating behavior of an electronic device and achieving dynamic compensation of heat radiator contact thermal resistance, the environment simulation module is used for constructing a stable temperature and humidity environment and isolating external interference, and the energy efficiency circulation module is used for multi-energy collaborative supply and energy gradient utilization. The energy efficiency circulation module provides cold and hot medium water for the heat source simulation module and conveys constant-temperature cooling water to the environment simulation module, and the valve opening degree is adjusted by the measurement and control analysis module. The measurement and control analysis module undertakes full-process data acquisition and performance analysis tasks, and the digital twinning module realizes virtual-real interactive simulation and artificial intelligence optimization; the radiator thermal efficiency full-detection test system solves the technical problem of how to improve the detection efficiency of the radiator thermal efficiency.

A packaging system for a hot water heater includes an outer box, a top insert, an offset filler, a base insert, and one or more side panels. The top insert contacts a top surface of the hot water heater and a top inside surface of outer box. The offset filler is coupled to the top insert and is sandwiched between the hot water heater and the outer box. The base insert contacts the bottom surface of the hot water heater and a bottom inside surface of the outer box. The base insert includes raised perimeter structures that form a shape that matches a shape of the bottom surface of the hot water heater. Each side panel includes a raised pattern.

A composite liquid-cooling heat-dissipation device based on jet flow and two-phase flow circulation, comprising a vapor chamber element and a semi-open housing. The vapor chamber element comprises an upper cover and a lower plate; the upper cover has an upper surface; with respect to the upper cover, the lower plate has a lower surface for coming into contact with a heat source; when the upper cover is coupled to the lower plate, a closed cavity is formed; a heat absorption area of the vapor chamber element is located on the lower plate, and a condensation area of the vapor chamber element is located on the upper cover; the semi-open housing is coupled to the lower plate of the vapor chamber element to form a heat exchange cavity; the semi-open housing is provided with a spraying head, an input port, and an output port; the input port is used for inputting a cooling liquid; and the spraying head is connected to the input port to first splash the cooling liquid on the upper surface of the upper cover, and then enable the cooling liquid to flow through the heat exchange cavity to output the cooling liquid through the output port.

The invention discloses a phase change thermal interface material with interface adaptability and a preparation method thereof. The phase-change thermal interface material with interface adaptability is prepared from the following raw materials: a phase-change matrix premix, a grafting agent, a cross-linking agent, an initiator and a heat-conducting filler, the phase-change matrix premix comprises stearic acid and a polyolefin elastomer, the mass ratio of the stearic acid to the polyolefin elastomer is (6-8): (2-4), and the grafting agent is a crosslinking agent. The grafting agent is borane dioxide maleimide, and the cross-linking agent is diborane dioxide. The phase change material stearic acid is added into the thermal interface material, the problem of instantaneous high heat flux thermal shock caused by high heat flux to an electronic device can be effectively relieved through instantaneous heat absorption during solid-liquid phase change of the stearic acid, and the modulus of the phase change thermal interface material is reduced through solid-liquid phase conversion; therefore, the contact thermal resistance between a heat source and the radiator can be reduced to the greatest extent in the mechanical installation process.

The invention discloses a lithium iron phosphate positive electrode material rich in oxygen vacancies and a preparation method and application thereof.The preparation method of the lithium iron phosphate positive electrode material rich in oxygen vacancies has the advantages that the number of heating times can be set in a programmable mode, the heating and cooling speed is high, and the heat treatment time is short; the volatilization amount of the lithium salt is small, and the method is more economical and environment-friendly; according to the method, a programmable constant-current power supply is used for electrifying and heating the carbon-based Joule thermal material, and the carbon-based material is used as a heating stage to realize ultrafast synthesis of the lithium iron phosphate material through a physical contact heat transfer effect; and the oxygen vacancy content can be adjusted by regulating and controlling parameters such as temperature and time. The heat treatment is performed in a specific atmosphere (such as vacuum, inert gas, reducing gas and oxidizing atmosphere), so that the reoxidation of the oxygen vacancies can be reduced, and the formation and the stabilization of the oxygen vacancies are facilitated; the adjustable and controllable range of the oxygen vacancy concentration in the lithium iron phosphate material prepared by the preparation method disclosed by the invention is 2.198 E12 to 7.382 E13Spins / mm < 3 >.

The invention provides an ultrathin liquid metal thermal interface material based on dynamic infiltration regulation and a preparation method, the ultrathin liquid metal thermal interface material is composed of a high-purity liquid metal main body and liquid metal dynamic infiltration adhesion layers connected to the two sides of the high-purity liquid metal main body, the material of the liquid metal dynamic infiltration adhesion layer is the same as that of the high-purity liquid metal main body, and the liquid metal dynamic infiltration adhesion layer is spread on the surface of the heating substrate and the surface of the heat dissipation substrate respectively. According to the method, the ultrathin metal liquid layer formed through dynamic infiltration is directly used as a heat transfer medium, molecular-level seamless attachment between the liquid metal and the substrate material interface is achieved, the ultrathin thermal interface with the minimum thickness of only nanoscale 1-1000 nm can be obtained, the contact thermal resistance is greatly reduced, the actually measured interface thermal conductivity can reach 25.9-47.1 W / m <-1 >. K <-1 >, and the thermal conductivity of the interface is greatly improved. The measured value far exceeds the measured value of the current commercial thermal interface material; the dynamic infiltration regulation and control means provided by the invention has universality and can be widely applied to various different heating and heat dissipation substrate materials.

A heat dissipation device includes a vapor chamber for contacting a heat source; at least one heat pipe having a first end and a second end connected to the vapor chamber; at least one partition disposed inside the heat pipe to partition the inside of the heat pipe into a first channel and a second channel isolated from each other; and a heat dissipation fin set disposed on the vapor chamber and partially covers the heat pipe. The vapor chamber is filled with a liquid working medium that absorbs the heat of the heat source and then gasifies into a gaseous working medium. The gaseous working medium moves into the first channel and the second channel to be condensed by the heat dissipation fin set, so the gaseous working medium is liquefied into the liquid working medium, and then the liquid working medium flows back into the vapor chamber.

The invention discloses a high-heat-flux heat dissipation system for an on-orbit computing power cluster, and belongs to the technical field of spacecraft heat control. The system is independent of a satellite conventional thermal control platform and is specially used for discharging waste heat of an AI calculation array. The system comprises a heat capture unit, a pumpless heat transfer unit and a foldable heat dissipation unit. The heat transmission unit comprises a micro-channel flexible pulsating heat pipe (such as a diamond film material), and the heat pipe spans a folding area and has the functions of structural connection and heat transmission, so that a thermal low-impedance independent channel relative to a satellite structure is formed. Through the design of removing a mechanical pump and removing a mechanical hinge, the problems of large weight, micro-vibration interference, high contact thermal resistance and the like of a heat dissipation system of the computing power satellite are solved, and preferential directional heat dissipation of high-flux heat is realized.

The invention discloses an interface heat conductivity coefficient distribution optimization design method and system for improving the contact thermal performance of an assembly interface, and the method comprises the steps: obtaining the contact heat dissipation surface microstructure features of a part of an electronic chip packaging system, and constructing a contact thermal performance numerical analysis model; performing multiple iterations on the heat conductivity coefficient distribution of the design area by adopting a contact thermal performance numerical analysis model to obtain the heat conductivity coefficient distribution and contact thermal resistance; judging whether each iteration meets an iteration convergence criterion or not according to the heat conductivity coefficient distribution and the contact thermal resistance; and if the iterative convergence criterion is met, outputting heat conductivity coefficient distribution and contact thermal resistance. The temperature transfer path of the assembly interface is controlled by designing the surface heat conductivity coefficient distribution of the assembly interface, and temperature gradient distribution homogenization is truly achieved by applying the innovative design thought of'heterogeneous' heat conductivity coefficient distribution.

The invention relates to the technical field of waste gas treatment, and discloses a heat accumulating type high-temperature oxidation furnace which is characterized in that VOCs gas is input from a preheating fan, passes through a preheating pipe, a bending part and a heat conducting sheet and is arranged in an isolation frame; when high-temperature oxidation is carried out in the furnace body, the temperature of the first ceramic heat storage module, the temperature of the second ceramic heat storage module and the temperature of the third ceramic heat storage module rise, the isolation frame makes contact with the first ceramic heat storage module, the second ceramic heat storage module and the third ceramic heat storage module which are heated, and heat is conducted into bending parts of the heat conducting fins and the preheating pipes from the isolation frame; the VOCs gas in the preheating pipe is preheated, the preheated VOCs gas is input into the gas inlet main pipe, heat energy is fully utilized, the use energy consumption of the heat storage type high-temperature oxidation furnace is reduced, meanwhile, the preheating fan and the gas inlet fan convey the VOCs gas at the same time, and the high-temperature oxidation efficiency is improved.

A combination heat dissipation structure includes a vapor chamber and at least one heat pipe. The vapor chamber defines an airtight chamber filled with a working fluid and provided with first and second wick structures. The vapor chamber further includes at least one through hole formed on its upper wall and communicable with the airtight chamber, and annular elements provided in the airtight chamber corresponding to the through hole to contact with the first and second wick structures. The heat pipe has an open end inserted into the airtight chamber to contact with the first wick structure, such that the heat pipe is axially supported and located by the annular elements. With these arrangements, a flow-back path between the vapor chamber and the heat pipe is largely shortened to avoid dry burning in the vapor chamber and upgrade the two-phase heat exchange efficiency of the vapor chamber.

The invention discloses an all-weather power battery thermal management system based on a double-layer flexible phase-change material. The system comprises the double-layer flexible phase-change material which is constructed on the outer side of a power battery, is composed of an inner-layer flexible phase-change material and an outer-layer flexible phase-change material and has a sleeve structure; the double-layer flexible phase change material is tightly attached to the outer side surface of the power battery; when the power battery needs to be cooled at a high temperature, the double-layer flexible phase change material can absorb heat of the power battery and store the heat in a latent heat form; when the power battery needs to be heated at a low temperature, heat is transferred to the power battery in a mode of heating the flexible phase-change material on the outer layer. According to the power battery thermal management system, the problem that the contact thermal resistance is large when the rigid phase change material makes contact with the battery is solved, the phase change material generates phase change high-density latent heat storage and heat transfer when the power battery is cooled at high temperature, heat can be efficiently generated and transferred when the power battery is heated at low temperature, and efficient energy-saving thermal control under the all-weather condition can be achieved.

The invention relates to a flue gas circulation waste heat utilization type steel mill solid waste treatment process, which specifically comprises the following steps: mixing a solid waste raw material with fuel, pretreating, feeding into a rotary kiln, reacting in the rotary kiln to generate first flue gas, cooling the first flue gas, and purifying in a desulfurization process to form second flue gas, the third flue gas enters a cooling section of the rotary kiln, and iron-containing materials in the rotary kiln are cooled to form fourth flue gas; the fourth flue gas and the first air enter the second waste heat utilization device and then are subjected to non-contact heat exchange to form fifth flue gas, the first air is subjected to heat exchange through the second waste heat utilization device to form second air, the second air and the gas fuel enter the high-temperature calcination section of the rotary kiln to be combusted to form the first flue gas, and therefore cyclic utilization is achieved. And the third flue gas is adopted as the cooling flue gas to cool the high-temperature iron-containing material in the cooling section of the rotary kiln, so that the problem that the zero-valent iron reduced by the rotary kiln is easily oxidized into iron oxide again is solved.

The invention relates to the technical field of electrical equipment, and discloses a dual-power conversion device with temperature monitoring, which comprises a conversion mechanism, a heat dissipation mechanism assembly is arranged on the outer wall of the rear side of the conversion mechanism, and the heat dissipation mechanism assembly comprises a reset mechanism, a positioning mechanism and an air cooling mechanism. According to the dual-power conversion equipment with the temperature monitoring function, the reset mechanism is arranged, the positioning mechanism and the air cooling mechanism are assisted in positioning and clamping connection with the cooling fins through the reset mechanism, so that the air cooling mechanism is clamped firmly, and the situation that the sensitivity is reduced due to temperature rise of the dual-power conversion equipment with the temperature monitoring function due to heat dissipation failure caused by falling of the air cooling mechanism is prevented; the air cooling mechanism assists in cooling the contact heat dissipation mechanism, a second heat dissipation fin cooling fan enables airflow to form convection in heat dissipation fins through a guide sleeve to assist the first fan in heat dissipation, a positioning mechanism is arranged, the air cooling mechanism and the heat dissipation fins are positioned and clamped through the positioning mechanism, and the dual-power conversion equipment with the temperature monitoring function can be normally used.

The invention belongs to the technical field of solar photo-thermal power generation, and discloses a tower type solar power generation system based on lunar soil particle moving bed heat exchange, which utilizes local materials of lunar soil to prepare solid heat storage particles as a heat transfer and heat storage medium, greatly reduces the mass and volume of the system and the cost and risk of transporting materials from the earth, and improves the energy efficiency. The efficient particle moving bed heat exchanger combining the particle receiver and the heat collector utilizes direct efficient contact heat exchange between solid particles and between the particles and a heat exchange working medium, has the characteristics of high heat exchange efficiency, small heat loss and compact structure, and is particularly suitable for space vacuum and microgravity environments; it is ensured that heat is reliably and stably transmitted to the Brayton cycle power generation system from concentrated solar energy, and power is generated through the Brayton cycle power generation system.

An improved medical pad for contact thermal exchange with a patient includes a fluid circulation layer for containing a thermal exchange fluid circulatable therethrough, a first port and a second port for circulating the thermal exchange fluid in to and out of the fluid circulation layer, and a hydrogel layer interconnected to and extending across one side of the fluid circulation layer to define an adhesive surface for adherence to a patient's skin. The hydrogel layer can include an ultraviolet light-cured composition with a cross-linking copolymer, water, and glycerol. The hydrogel layer is provided to have a thermal conductivity of at least about 1.9 ca / hr-cm-° C.

A combination heat dissipation structure includes a vapor chamber and at least one heat pipe. The vapor chamber defines an airtight chamber filled with a working fluid and provided with first and second wick structures. The vapor chamber further includes at least one through hole formed on its upper wall and communicable with the airtight chamber, and annular elements provided in the airtight chamber corresponding to the through hole to contact with the first and second wick structures. The heat pipe has an open end inserted into the airtight chamber to contact with the first wick structure, such that the heat pipe is axially supported and located by the annular elements. With these arrangements, a flow-back path between the vapor chamber and the heat pipe is largely shortened to avoid dry burning in the vapor chamber and upgrade the two-phase heat exchange efficiency of the vapor chamber.

The invention belongs to the technical field of flue gas waste heat recovery, and particularly relates to a converter flue gas dust removal and waste heat recovery device and method.The converter flue gas dust removal and waste heat recovery device comprises a dust removal assembly and a waste heat recovery assembly, the waste heat recovery assembly comprises a flue gas treatment box, and the flue gas treatment box comprises a box body; the middle area in the box body is a heat exchange area, and a heat exchange pipe is transversely arranged in the heat exchange area; flue gas is guided into the heat exchange pipes which are uniformly distributed, so that the flue gas passes through the heat exchange pipes with narrow channels, the heat exchange area is increased, and the absorption efficiency of heat in the flue gas is improved; and by arranging the dust removal pipe, the flue gas can only penetrate through the dust removal pipe to enter the heat exchange gap to be in contact with the inner wall of the heat exchange pipe, and particle smoke dust in the flue gas is left on the inner wall of the dust removal pipe, so that in the contact heat exchange process of the flue gas and the dust removal pipe, the situation that the particle smoke dust adheres to the inner wall of the heat exchange pipe and continuously accumulates and scales is reduced.

The invention belongs to the field of high-temperature thermal structure optimization design, and discloses a high-temperature structure thermal-mechanical coupling topological optimization method considering thermal contact. The method comprises the following steps: establishing a thermal-mechanical coupling finite element analysis method containing a contact thermal resistance interface; carrying out thermal coupling analysis on the high-temperature structure on the basis of the thermal coupling finite element analysis method containing the contact thermal resistance interface in the steps, and establishing a topological optimization model containing a plurality of constraints; performing sensitivity solving on the objective function and the constraint function of the topological optimization model to obtain a sensitivity column formula; filtering the sensitivity through a density filtering method; and updating variables in the topological optimization model by adopting a moving asymptote optimization algorithm MMA. A contact problem is expanded to a thermal-mechanical coupling structure, fine design of a high-temperature structure containing thermal contact is facilitated, and meanwhile, a regulation and control mechanism of contact thermal resistance to the thermal-mechanical coupling structure is given through an optimization result, so that the fine degree of design of the high-temperature structure containing thermal contact is improved.

The invention relates to the technical field of temperature control, in particular to a multi-dimensional compensation ablation system temperature control system, method and device and a medium. The system calculates a medium texture index representing the structural change of the load medium by synchronously acquiring electrical parameters and ultrasonic image data; constructing an anti-interference control model comprising an extended state observer, and defining energy transmission loss caused by contact thermal resistance as an extended state variable; calculating an adaptive correction factor based on the texture index, dynamically correcting the state updating process of the observer to obtain an energy loss correction estimated value, and constructing a compensation control model to adjust the output power according to the energy loss correction estimated value; according to the invention, the technical problem of incomplete heating caused by false high temperature of the sensor and system misjudgment due to state deterioration of the contact interface is effectively solved; accurate reconstruction and closed-loop compensation of effective heat flow in a non-ideal contact environment are realized, sufficient energy penetration can still be maintained even if contact thermal resistance is sharply increased, and the integrity of an ablation area is guaranteed.

A graphic card assembly includes a bracket, a graphic card module, a first fin set, a centrifugal fan, a second fin set, a heat pipe set and an axial flow fan. The graphic card module is assembled to the bracket and has at least one heat source. The first fin set and the second fin set are assembled to the bracket and the first fin set thermally contacts the heat source. The centrifugal fan is disposed beside the first fin set to generate a first air flow dissipating heat from the first fin set. The heat pipe set contacts the heat source. The axial flow fan is disposed on the second fin set to generate a second air flow dissipating heat from the second fin set. The first air flow and the second air flow are separated from each other, and the second air flow passes through the bracket and the graphic card module.

The invention discloses a thermal analysis method of a heterogeneous material combined component considering multi-scale contact thermal resistance, and belongs to the technical field of aero-engine thermal management. The method comprises the following steps: firstly, establishing a period calculation model of a CMC outer ring and metal casing combined member, secondly, setting anisotropy of CMC heat conduction according to geometric profile change of a gas outer ring, and finally, introducing an empirical relation expression of contact thermal resistance by setting equivalent heat conduction of a contact area between the CMC outer ring and the metal casing in CFD calculation. The difference between the two is explored by comparing the temperature field results of the combined component with or without the contact thermal resistance, and the influence of the contact thermal resistance on flowing heat exchange is explored. According to the method, by considering the multi-scale contact thermal resistance between different materials, the influence of the contact thermal resistance on the turbine flow heat exchange result is researched, meanwhile, the temperature field of the turbine component in CFD calculation is corrected, and a guidance basis is provided for improving the prediction precision of the temperature result of the gas turbine component under the complex gas thermal load.

The invention provides a high-voltage cable intermediate joint fireproof early warning device convenient to maintain, which comprises an inner shell and an outer shell which are symmetrical and split, the outer shell is sleeved outside the inner shell, an inner sealing cavity penetrating to the outside is symmetrically arranged in the inner shell, the inner sealing cavity is used for installing a wrapped joint, and the inner sealing cavity is used for sealing the wrapped joint. And heat conduction structures are symmetrically arranged on the inner shell. According to the cable connector, when the cable connector generates heat, the heat is dissipated out through the contact heat conduction structure, so that the temperature of the connector is reduced, when the temperature continuously rises, cooling liquid in the gas storage bottle is sprayed out from one end of the upper shell to cool the upper shell, and gas in the gas storage bottle also has the fire extinguishing capacity; when a line is on fire due to overload or aging, the gas storage cylinder can extinguish the generated flame, so that the installability of the line is improved, the probability of fire disasters is reduced, and meanwhile, an early warning effect is achieved, and the situation of cable fire disasters is reduced.

The utility model relates to a horizontal fluidized bed drying machine for xanthate production, and belongs to the technical field of drying machines, the horizontal fluidized bed drying machine comprises a drying machine main body, an exhaust pipe is fixed on the upper surface of the drying machine main body, and an induced draft fan is fixed on one side, far away from the drying machine main body, of the exhaust pipe. According to the horizontal fluidized bed drying machine for xanthate production, materials are fed into the drying machine body from the feeding hopper, hot air is fed into the drying machine body through the air feeder, the materials are subjected to fluidized drying in the hot air, the dried air is exhausted through the exhaust pipe, the induced draft fan and the heat exchanger conduct heat recovery, and the motor drives the worm, the worm gear, the two-way screw, the toothed plate, the gear and the threaded rod to rotate. The movable block, the connecting rod, the rotating rod and the shifting plate move left and right, materials are evenly distributed on the net plate, it is ensured that the materials make full contact with hot air, the drying effect is improved, it is ensured that the materials are evenly distributed and make full contact with the hot air, the drying efficiency is improved, energy consumption is reduced, the product quality is ensured, and the market competitiveness is improved.