1141 results about "Heat transfer" patented technology

An ice making module (100), and an ice maker and refrigerator having same. In the ice making module (100), a lifting device drives an upper die (26) to ascend or descend. After descending, the upper die (26) matches with a lower die (13) to form a plurality of ice making cavities. The top of the upper die (26) is provided with a plurality of water inlet holes, which are respectively in communication with the cavities. A quantitative water supply system (7) is in communication with the water inlet holes (261) to achieve quantitative water supply. The lower die (13) is connected to a turning device. The bottom of the lower die (13) is attached to a heat transfer block (12). Further comprised is a separation apparatus and / or a vent hole (122). The separation apparatus is used for separating the heat transfer block (12) and the lower die (13). The vent hole (122) communicates a gap between the heat transfer block (12) and the lower die (13). By means of the present ice making module (100), ice can be rapidly made, the dies can be rapidly separated from the heat source, the dies are easy to turn over, and the ice maker can collect overflow water to prevent the overflow water from soaking the device. The refrigerator is connected in series with an evaporator (33) of the ice making module (100) by means of an evaporator (102) of the refrigerator, or directly uses air from an air port of an air duct of a freezing chamber of the refrigerator to cool the dies, thereby saving energy.

To provide a heating unit that can reduce power consumption. [Solution] A heating unit comprising a heater plate 2 having a first surface 21 and a heat transfer plate 8 having a joining surface 81 with the first surface, wherein the heater plate comprises a first layer containing a heating element 6 inside and a second layer laminated on the first layer so as to include the first surface, and the joining surface includes irregularities, with the second layer fitted into the irregularities.

The application provides a solar double-phase-change cascade heat storage system under an oilfield continuous heat load scene, and relates to the technical field of solar heat storage. The system comprises a heat collection, double-phase-change cascade heat storage, heat supply and flow control subsystem. The double-phase-change cascade heat storage subsystem is provided with first and second phase-change heat storage tanks with different phase-change temperatures in parallel. The flow control subsystem switches the fluid path based on the dynamic comparison criterion of the heat collection and heat storage temperatures, and directs the solar energy into the double tanks for cascade latent heat storage according to the heat energy grade. The heat supply subsystem guides the cold crude oil to sequentially absorb the heat released by the double tanks to perform cascade heating. The application overcomes the defect of low fluctuating solar energy capture rate of the traditional single-phase-change system, greatly reduces the irreversible exergy loss of heat transfer through cascade heat storage and release, improves the comprehensive utilization rate of full-band solar energy, and realizes efficient and low-carbon heat supply for oilfields.

The utility model relates to a sealed jar disinfection device, including sealed jar, the inside rotation of sealed jar is equipped with stirring shaft, and the top of sealed jar still is equipped with drive motor, and the output of drive motor is connected with the top end transmission of stirring shaft, and the outside wall of stirring shaft still is arranged with several stirring vane to the inclination, and the inside of stirring shaft still is equipped with high temperature sterilization subassembly, and the air inlet and air outlet of high temperature sterilization subassembly are respectively connected to steam generator through high pressure gas pipe, the utility model discloses the combination of stirring and steam heating structure each other, not only can make the accumulation of dried radish each height even heating, and still can utilize the heating chamber in the inside of jar body and carry out synchronous heating, and the mode of inside and outside heating simultaneously can avoid the situation that the temperature difference exists in different parts in the jar because of the uneven heat transfer when relying on the external heating simply, ensure that all articles in the jar can carry out sterilization under the temperature of stipulation, ensure that the preserved dried radish taste keeps consistent.

This utility model relates to the field of fiber lasers, specifically to a high-efficiency heat dissipation structure for the interior of a fiber laser. It includes a mounting frame for fixing to the inside of the fiber laser, with multiple fans fixedly connected to the inner wall of the mounting frame and a mesh screen on the front side of the mounting frame; and a heat dissipation assembly disposed inside the fiber laser. The heat dissipation assembly includes an upper shell, a base fixedly connected to the lower part of the upper shell, and multiple heat dissipation plates fixedly connected to the lower part of the upper shell. The heat dissipation assembly is made of aluminum alloy, utilizing its high thermal conductivity to quickly absorb heat generated by the core components inside the laser. Multiple heat dissipation plates expand the heat dissipation area, accelerating heat transfer to the air medium. The bent design of the heat dissipation plates, combined with staggered triangular baffles, disrupts the airflow path, prolongs the contact time between the airflow and the heat dissipation plates, and increases the heat exchange area, allowing heat to be more fully carried away by the airflow, significantly improving heat dissipation efficiency.

This invention discloses a support structure, front and rear support structures, and a liquid hydrogen cylinder, relating to the technical field of liquid hydrogen cylinder support structures. The support structure includes: a first metal connector, a second metal connector, and a support body. The first metal connector is used for welding to an outer end cap; the second metal connector is used for welding to an inner end cap. The support body is made of fiberglass, and its two ends are directly or indirectly connected to the first and second metal connectors, respectively. The support body constitutes the load-bearing and heat transfer path between the first and second metal connectors, and the first and second metal connectors are only used for welding to the inner and outer end caps and connecting to the support body. This invention reduces thermal conductivity and achieves lightweight design.

The utility model relates to steel sheet technical field, and disclose a kind of composite steel structure board with fireproof coating, including frame, the outer end two sides surface of frame is connected with connecting block one and connecting block two respectively, and connecting plate is pasted respectively in the upper and lower surface two sides of connecting block one and connecting block two, installation slot is respectively set up in the upper and lower surface two sides of frame, and steel plate is respectively set in the inner portion of installation slot, and the synergistic effect of expansion type organic fireproof layer and epoxy zinc-rich layer in steel plate inner side, when fire occurs, expansion type organic fireproof layer is heated rapidly and expands to form carbonized layer, and heat transfer is blocked, and the strength of steel plate is delayed to drop;Epoxy zinc-rich layer forms zinc oxide protective film to prevent steel plate corrosion, double protection ensures that steel plate still maintains structural strength under high temperature fire environment, provides reliable fireproof barrier for building, effectively guarantees personnel life and property safety.

The utility model discloses a full -automatic embedded part injection molding takes out piece packaging machine belongs to injection molding machine technical field, it includes work table, work table top fixed mounting has fixed mould, the fixed mould is buckled and is connected with embedded part main part, the sliding block with the guide rail sliding connection, the sliding block is located between the guide rail with the embedded part main part, the guide rail is the inclined structure, the utility model discloses through the heat absorption block absorption external heat like the heat source of mould processing, the heat transfer to first air cylinder, and the heated expansion gas (like nitrogen) in first air cylinder and second air cylinder expands in volume because temperature rises, and pressure increases, and the telescopic link of movable block outside pushes the sliding block and slides on the inclined guide rail, because the guide rail is the inclined structure, the sliding of sliding block will produce the component force along the guide rail direction, and then will embedded part main part extrude to the inboard of fixed mould, avoids in the injection molding process and causes the displacement of embedded part to influence injection molding effect.

The application discloses a water-cooled controller for a pump and belongs to the field of water pump controllers. In view of the problems of poor heat dissipation and loud noise of an air-cooled controller, the water-cooled controller comprises a shell and an upper cover which are connected together, a circuit board is arranged between the shell and the upper cover, a partition wall is arranged in the shell, the circuit board is connected to the partition wall from top to bottom, a cooling pipe capable of communicating with a water source penetrates through the shell, the cooling pipe is connected to the partition wall from bottom to top through a connecting assembly, a heating element is arranged on the circuit board, the heating element is tightly attached to the partition wall, or the heating element corresponds to the upper and lower positions of the cooling pipe, so that the heat generated by the heating element is directly or indirectly transferred to the cooling pipe. The heat of the heating element on the circuit board is directly or indirectly transferred to the cooling pipe, the water flow in the cooling pipe can take away the heat transferred thereto, the heat dissipation effect is guaranteed, and no fan is used, so that the influence of wind noise is effectively avoided.

The present application relates to the field of chemical reaction control, and more particularly to a multi-level temperature control method and device for a formaldehyde reactor based on distributed temperature monitoring. The method comprises the following steps: (1) distributed temperature acquisition: by setting multiple temperature monitoring points in the column-tube fixed bed reactor, real-time temperature data of each temperature monitoring point in the reactor is collected; (2) temperature field reconstruction: based on the axial and radial coupled heat transfer equation in the column-tube fixed bed reactor, the three-dimensional temperature distribution in the whole reactor is reconstructed by using the real-time temperature data collected in step (1); (3) multi-level regulation: according to the temperature field reconstruction result, a differentiated regulation mechanism is triggered for different risk types. Through the method of the present application, economic and effective global monitoring of the temperature field can be realized on a scale of ten thousand column tubes, thereby ensuring the safe operation of the production process, reducing the column tube damage rate, improving the catalyst life, increasing the formaldehyde yield, etc.

This invention provides a polymerization reactor for polyimide preparation, belonging to the field of polymerization reactor technology. It includes a reactor body, with an integrally cast reactor bottom and a integrally cast reactor top. A motor mounting slot is provided at the center of the bottom of the reactor bottom. Eight drainage holes are evenly spaced circumferentially on the outer wall of the reactor body. The reactor body and reactor bottom are equipped with up-and-down and in-and-outward churning components. This invention uses high-speed centrifugal force to throw the solution from the lower interior of the reactor body and guide it to different circumferential trajectories on the upper interior of the reactor body. This achieves both up-and-down churning of the solution and redistribution of the solution from the outside to the inside of the reactor body, ensuring efficient subsequent mixing and uniform mass and heat transfer.

The utility model provides a kind of functional film, belong to functional film technical field.The utility model's functional film includes base material layer and the closed cavity inlay in the base material layer.The utility model's functional film only includes a layer of base material layer, more light and thin, optical absorption is lower, heat transfer performance is better;And relative to laminated structure, there is no interface mismatch risk, low in cost, there is no laminated interface, avoid delamination caused by moisture penetration under high temperature and high humidity environment, higher environmental aging resistance, and need not laminating.The utility model's functional film in solar cell field, can improve the structural stability of heat dissipation and packaging, improve the power generation efficiency of solar module, long-term working life and environmental tolerance, in display field, its light and thin, flexible and non-heterogeneous characteristics make it have good application space in precision optical device.

The application discloses a high-safety power distribution equipment for a smart grid, which belongs to the technical field of the smart grid, and through cooperation of a dynamic mounting part and a suction and release plate, an electrical element prone to heating is alternately in contact with two heat absorption sections on the suction and release plate, so that the heat absorption efficiency is prevented from being reduced due to continuous temperature rise of a single heat absorption section, in a further improvement, the heat absorption section is selectively attached to a heat accumulation partition plate through magnetic attraction, the unattached side is automatically popped open to be exposed to a heat collection space for rapid heat dissipation, the heat absorption section can also be composed of multiple stacked heat absorption sheets, the area is doubled after being popped open, and the attachment state can be monitored through an electromagnetic strip and a pressure sensor, even the sheets are repeatedly opened and closed to disturb air flow, so that the heat transfer and heat exchange rate are significantly accelerated, local heat accumulation hazards are effectively eliminated, and the safety and stability of long-term high-load operation of the power distribution equipment are ensured.

The application provides a heat transfer device of a heavy ash powder flow cooling alkali machine, which comprises a screw rod and a blade, the inner cavity of the blade is communicated with the inner cavity of the screw rod, a pipe fitting is arranged on the blade, and movable blocks are screwed into the two ends of the pipe fitting. The application can change the contact area between the inner wall of the two ends of the pipe fitting and the material by changing the screwing depth of the movable blocks in the pipe fitting, so that the heat exchange efficiency can be further improved.

The present invention provides a heat exchanger capable of stably and continuously recovering heat over a long period of time, even when the target gas for heat recovery is an extremely corrosive gas, and an exhaust gas treatment device using such a heat exchanger. [Solution] The heat exchanger of the present invention is characterized by comprising a partition plate (14) made of refractory castable material that divides the inside of the casing (12) so that the low-temperature side fluid (LF) and the high-temperature side fluid (HF) flow in countercurrents, and a plurality of solid heat transfer rods (16) made of at least one ceramic selected from the group consisting of alumina, zirconia, silicon carbide, silicon nitride, molybdenum silicide, and lanthanum chromite, which are arranged to airtightly penetrate the front and back surfaces of the partition plate (14) and cross the flow paths of the low-temperature side fluid (LF) and the high-temperature side fluid (HF).

This invention belongs to the field of desuperheater technology and discloses a sleeve-type desuperheater and desuperheating method. The device includes a desuperheater body and a cylinder. The desuperheater body includes a nozzle, a nitrogen inlet pipe, and a nitrogen outlet pipe. The nitrogen inlet pipe and the nitrogen outlet pipe are both connected to the nozzle. One end of the nozzle is fixedly connected to the desuperheater connector, and the other end passes through the cylinder and is fixedly connected to a positioning block fixedly installed inside the cylinder. The nitrogen inlet pipe and the nitrogen outlet pipe isolate the steam inside the cylinder from the desuperheating water inside the desuperheater connector through nitrogen. A sleeve is provided between the nozzle and the outer shell. The sleeve includes a cylinder and an annular plate. Nitrogen is introduced into and discharged through the nitrogen inlet pipe and the nitrogen outlet pipe, isolating the steam inside the cylinder from the desuperheating water at the desuperheater connector, reducing heat transfer between hot and cold media, reducing thermal stress caused by temperature difference at the weld joint, and avoiding thermal fatigue damage to the equipment during long-term operation.

The present invention provides a degassing system that suppresses the growth of bacteria and other microorganisms within a plate-type heat exchanger, thereby maintaining the flow rate within the plate-type heat exchanger and enabling stable operation of a liquid-sealed vacuum pump. [Solution] A degassing system comprising: a degasser 16 arranged in a pure water production apparatus that processes water to be treated to produce pure water; a liquid-sealed vacuum pump 18 that reduces the pressure on the gas phase side of the degasser; a circulation channel 40 that discharges the sealing liquid from the liquid-sealed vacuum pump and circulates the discharged sealing liquid back to the liquid-sealed vacuum pump; and a plate-type heat exchanger provided in the circulation channel, wherein the plate-type heat exchanger comprises: a plurality of stacked heat transfer plates; a first frame provided on one side in the stacking direction of the plurality of heat transfer plates and having an inlet for the sealing liquid; and a second frame provided on the other side in the stacking direction of the plurality of heat transfer plates and having an outlet for the sealing liquid.

The utility model relates to a kind of PV / T phase change energy storage water source heat pump heating system, including heat collection circulation loop, heat transfer circulation loop, heating circulation loop;Heat collection circulation loop includes cyclically communicated PV / T photovoltaic photo-thermal plate and phase change water tank;Heat transfer circulation loop includes cyclically communicated phase change water tank and double-source heat pump;Heating circulation loop includes cyclically communicated double-source heat pump and fan-coil unit.Wherein, phase change water tank includes shell, and the first spiral pipe heat exchanger and second spiral pipe heat exchanger of shell inside being set;First spiral pipe heat exchanger is connected with PV / T photovoltaic photo-thermal plate closed loop, and second spiral pipe heat exchanger is connected with double-source heat pump closed loop.Compared with prior art, the PV / T photovoltaic photo-thermal plate of the utility model system is collected solar heat while generating electricity, and the electric energy generated can drive heat pump to operate, and heat energy is used for auxiliary heating or storage;Heat pump utilizes double-source to improve heating energy efficiency, and phase change energy storage reduces energy loss.

The application discloses a method for calculating the thermal conductivity of MXene-PI based on molecular dynamics, and belongs to the technical field of thermal conductivity simulation calculation. The method firstly optimizes PI molecular chains, and constructs a PI model based on the molecular chains to carry out relaxation calculation to obtain the lowest energy configuration; then the lowest energy configuration is sequentially subjected to structure optimization, annealing, isothermal-isobaric ensemble and canonical ensemble to obtain a globally optimal PI model; the glass transition temperature of the PI model is predicted to obtain a density-temperature change curve, and then the glass transition temperature of the PI model is obtained to determine whether the model is reasonable; then the initial unit cell of the MXene material is subjected to structure relaxation, and the simulation parameters are optimized, and the surface of the stable unit cell is subjected to functional group modification to obtain a single-layer structure model of the MXene; finally, a MXene-PI composite material model is assembled; heat transfer analysis is carried out on the composite material model by using a non-equilibrium state molecular dynamics method to realize thermal conductivity calculation. The method has clear prediction and guidance value.

The application develops a high-thermal-conductivity substrate, a flexible thermoelectric device and a wearable device. Relates to the field of thermoelectric devices, the high-thermal-conductivity substrate comprises three parts from top to bottom, which are layer one, layer two and layer three. The first layer is a heat-conducting silica gel pad, which can tightly adhere to an external heat source; the second layer is a flexible substrate, which enables the device to better adhere to a curved surface; and the third layer is a metal electrode deposited on the flexible substrate, which is used for welding thermoelectric particles. The application obtains the high-thermal-conductivity substrate through ultrasonic welding, constructs an efficient heat transfer channel, and thus improves the adhesion to the surface of the external heat source and the comprehensive performance of the f-TED.

A substrate support assembly includes: a clamp comprising one or more plates; a cooling plate or facility plate attached to a bottom surface of the clamp, the cooling plate or facility plate including a groove on a top surface of the cooling plate or facility plate, wherein the groove extends along a periphery of the cooling plate or facility plate; an O-ring disposed in the groove; and a spacer disposed in the groove, wherein the spacer forms an airtight seal between the clamp and the O-ring, wherein the spacer comprises a first metal alloy.

This invention discloses a heating and cooling circulation device and method for injection molds of automotive parts, relating to the technical field of injection molds. The invention includes a circulation box with an installation groove that mates with the injection mold. It also includes: a heating unit comprising an oil guiding assembly, an oil return assembly, and an oil pressing assembly; the oil guiding assembly contains multiple oil heating pipes for conveying heat transfer oil, and the oil return assembly contains a return circulation pipe for circulating the heat transfer oil; and a cooling unit comprising a water supply assembly, a heat absorption assembly, and two ventilation assemblies. The advantages are: during the injection molding stage, this invention utilizes a closed-loop reciprocating circulation of heat transfer oil to achieve uniform heating throughout the mold; after injection molding, it relies on the rising and falling circulation of cooling water combined with automatic convection ventilation to achieve efficient secondary heat dissipation and cooling of the mold, resulting in higher cooling efficiency.

The present invention provides a carbon dioxide capture device and a carbon dioxide capture method that can efficiently capture carbon dioxide while suppressing the energy required for carbon dioxide capture. [Solution] A carbon dioxide recovery device 10 circulates an absorbent liquid between an absorption tower 11 and a regeneration tower 12 via a rich liquid supply pipe 13 and a lean liquid supply pipe 14, allowing carbon dioxide to be absorbed by the absorbent liquid in the absorption tower 11 and recovered in the regeneration tower 12. The device includes a heating means (heat pump) 33 that heats the absorbent liquid, which is supplied to the regeneration tower 12 via the rich liquid supply pipe 13 after absorbing carbon dioxide in the absorption tower 11, through heat exchange with a heat transfer medium. The heating means 33 is set to processing conditions that cause carbon dioxide to be released from the absorbent liquid.

This application provides a method, computing device, and storage medium for analyzing accident-resistant fuel core meltdown accidents, relating to the field of nuclear reactor technology. The method provided includes calculations of post-accident core temperature rise and oxidation, oxide layer thinning, fuel cladding damage and fuel collapse, fission product release, and molten pool interaction and heat transfer. This forms a safety analysis method for accident-resistant fuels in core meltdown accidents, supporting the demonstration of safety improvements after accident-resistant fuel core meltdown accidents and guiding the research and design of accident-resistant fuels.

This invention discloses a modular low-voltage switchgear suitable for smart grids, belonging to the field of low-voltage switchgear technology. It includes a cabinet with multiple module slots inside, each containing multiple auxiliary heat transfer components. Drawer units are installed within the module slots, and each drawer unit is equipped with a breathing heat dissipation unit. This invention replaces the rigid sealing structure with a multi-layer corrugated metal diaphragm assembly. It utilizes the corrugated elastic compression to absorb impact energy, automatically quenching flames through interlayer slits, and leverages the evaporation and condensation cycle of the phase change working fluid to achieve efficient heat conduction without occupying the internal installation space of the drawer unit. This solves the problem of limited heat dissipation capacity in explosion-proof switchgear. Furthermore, by mixing magnetic particles into the liquid phase change working fluid, the boundary layer is disturbed under the drive of the auxiliary heat transfer components, promoting bubble generation and detachment, significantly enhancing the nucleation boiling heat transfer coefficient.

The application provides an AR glasses, belonging to the technical field of electronics. The AR glasses comprise a front frame module, a first temple module and a second temple module; the first temple module and the second temple module are rotationally connected with the front frame module; at least one of the first temple module and the second temple module is provided with a cross-axis heat conduction sheet, one end of the cross-axis heat conduction sheet is located in the first temple module or the second temple module, and the other end of the cross-axis heat conduction sheet is located in the front frame module. The AR glasses of the application, the cross-axis heat conduction sheet, can build a heat transfer path between the temple module and the front frame module, so that the temple module and the front frame module can transfer heat, on the one hand, the heat density on the temple module and the front frame module can be reduced, on the other hand, the surfaces of the temple module and the front frame module can be used for heat dissipation at the same time, and the heat dissipation efficiency of the whole AR glasses is improved.

The invention relates to a photo-thermal coupling terrestrial heat power generation device. The photo-thermal coupling terrestrial heat power generation device comprises a photo-thermal assembly, a power generation assembly coupled with the photo-thermal assembly through a first heat exchanger and a terrestrial heat assembly coupled with the photo-thermal assembly through a second heat exchanger. The geothermal assembly comprises a sleeve inserted into the target stratum and a heat insulation pipe arranged in the sleeve, and an annular space communicated with the power generation assembly is formed between the sleeve and the heat insulation pipe. Wherein the photo-thermal assembly is constructed to be capable of transmitting heat to the power generation assembly and the geothermal assembly through the first heat exchanger and the second heat exchanger respectively, so that the geothermal assembly conveys a heated heat-conducting medium to a target stratum through an annulus; therefore, the geothermal assembly can convey the heat-conducting medium at the target stratum to the power generation assembly when the heat transferred to the power generation assembly by the photo-thermal assembly is smaller than the heat required by the power generation assembly. Therefore, an underground aquifer or other geological structures can be used as an energy storage medium, the energy storage period is prolonged, the operation cost is reduced, and the continuity and stability of power generation are effectively improved.

This prevents the risk of biomass fuel igniting and also prevents the biomass fuel from becoming too moist, which can accelerate fermentation. [Solution] A boiler system 100 is provided, comprising: a mill 12 for crushing biomass fuel; a fuel storage tank 20 for storing biomass fuel; a transport unit 30 for transporting biomass fuel; a boiler 40 that generates steam by burning the biomass fuel crushed by the mill 12 in a combustion device 41; and an exhaust gas extraction unit 90 that branches off a portion of the exhaust gas G flowing through an exhaust gas passage L1 that guides the exhaust gas G discharged from the boiler 40 to a chimney 71 and guides it to at least one of the fuel storage tank 20 and the transport unit 35. The exhaust gas extraction unit 90 includes a cooler 92 that cools the exhaust gas G by heat exchange with a heat transfer medium that is not mixed with the exhaust gas G, and a dehumidifier 93 that removes some of the moisture from the exhaust gas G cooled by the cooler 92.

The application discloses a kind of faulted dissolution body reservoir oil well producing depth acquisition method, device, equipment and medium.Faulted dissolution body reservoir oil well producing depth acquisition method includes: obtaining the temperature well testing monitoring data of target faulted dissolution body reservoir oil well;Temperature well testing monitoring data is handled, and actual temperature well testing interpretation curve is obtained;Temperature well testing model of target faulted dissolution body reservoir oil well is constructed, and the theoretical temperature well testing interpretation curve corresponding to multiple heat transfer distances is obtained based on temperature well testing model;Comparative analysis actual temperature well testing interpretation curve and theoretical temperature well testing interpretation curve, the heat transfer distance corresponding to the theoretical temperature well testing interpretation curve most matched with actual temperature well testing interpretation curve is determined as the producing depth of target faulted dissolution body reservoir oil well.Using the present application can reduce the uncertainty of faulted dissolution body reservoir producing depth calculation, improve the accuracy of producing depth calculation.