24results about How to "Fast heat absorption" patented technology

The utility model relates to an air cooling machine with a spray cooling function, which aims to solve the technical problem that the condensation effect of gas refrigerant in a condenser is inconvenient to improve because the current air cooling type water cooling machine only performs condensation through the wind power of a fan, and comprises a bottom frame with a frame component at the top and a bracket component fixedly arranged in the frame component, a condensation assembly is detachably arranged in the support assembly and comprises a condenser body, spraying assemblies are arranged on the two sides of the condenser body, U-shaped blocks are symmetrically arranged on the two sides of the condenser body in the middle, an evaporation box is detachably arranged in the frame assembly, and each spraying assembly comprises a pump body detachably arranged on one side of the corresponding U-shaped block. A water storage pipe is fixedly arranged between the U-shaped blocks, one end of the water storage pipe is sealed, the other end of the water storage pipe is communicated with a pump body, and the pump body is communicated and connected with an extraction pipe.

The invention relates to the field of material surface treatment and machining, in particular to a method and device for directly preparing a copper alloy coating on the surface of a titanium alloy sealing rod. The process comprises the steps that firstly, cleaning and metal powder drying treatment are conducted on a sealing rod base material, and the base material is clamped on a rotary bearing mechanism in an adjusting box body; sealing the adjusting box body and filling inert gas to replace air until the oxygen content reaches the standard; the laser cladding mechanism is controlled to conduct scanning preheating on the surface of the base material in a non-powder-feeding state; then a powder feeding function is started, spiral high-speed laser cladding is carried out in cooperation with rotation of the base material and axial feeding of the cladding assembly, and closed-loop adjustment of the protective gas flow is carried out in the cladding process; and after cladding is completed, the base material is transferred into the heating furnace body in the box body to be subjected to post-treatment slow cooling, laser scanning preheating and in-furnace slow cooling are combined, atmosphere closed-loop control in a closed environment is matched, and the effect of restraining cracking and oxidation of a titanium alloy cladding layer is achieved.

The invention discloses a steam turbine drainage capacity expansion device suitable for middle-low position arrangement, and relates to the technical field of drainage capacity expansion devices. The device comprises a condenser and further comprises an expansion barrel, an air inlet pipe is constructed at one end of the expansion barrel, the air inlet pipe detachably communicates with a bent pipe through a flange, an air outlet pipe communicating with the top of the condenser is constructed at the top of the expansion barrel, and two liquid inlet pipes located on the two sides of the air outlet pipe are constructed at the top of the expansion barrel; the pressure storage pipe detachably communicates with the other end of the bent pipe through a flange, and a plurality of pressure dividing pipes communicating with the bottom of the condenser are arranged on the pressure storage pipe in the length direction of the pressure storage pipe in an array mode. According to the device, drained water can be pressurized in the pressure storage pipe, then the drained water is rapidly injected into the capacity expansion barrel to drive the packing rotating wheel to rotate, heat energy is dispersed, meanwhile, cooling water is evenly splashed into the capacity expansion barrel through the packing rotating wheel, the cooling efficiency is improved, and the equipment safety is guaranteed.

This utility model belongs to the field of electric steam oven technology, and particularly relates to a variable frequency electric steam oven, including an outer shell, a variable frequency control panel installed on the front of the outer shell, support foot tubes fixedly installed around the bottom of the outer shell, adjustable feet installed at the bottom of the support foot tubes, a steam outlet connected to the top of the outer shell, and a water inlet fixing bracket fixedly installed at the bottom of the outer shell. The other end of the water inlet is connected to the inlet of the auxiliary water tank float valve, and a clamp blind plate sleeve is installed on the top of the auxiliary water tank. This variable frequency electric steam oven, through heating elements installed on the inner wall of a square body under a vertical cylindrical or elliptical cavity, concentrates the heating area around the cavity in the middle of the heating water tank, allowing the water in the heating tank to quickly absorb heat in this area and reach boiling. Simultaneously, the cylindrical or elliptical cavity provides a vertical exhaust channel for steam. Since steam is less dense than water, buoyancy allows the steam to be discharged more smoothly. Concentrated boiling and vertical exhaust accelerate phase change, improving steam generation efficiency.

The invention relates to the technical field of plastic master batch waste treatment, in particular to a garden landscape lighting device which is characterized in that a lampshade is arranged at the top end of a lamp post, a lamp body shell is arranged in the lampshade, a top wall ring is fixedly connected to the top end of the lamp body shell, an energy-saving lamp ring is arranged at the bottom end of the top wall ring, and a light-transmitting cover is installed at the bottom end of the lamp body shell in a threaded mode; the middle of the top wall ring is fixedly connected with a temperature exhaust ring extending upwards, the bottom end of the temperature exhaust ring is fixedly connected with a sealing plate, a heat conduction device is arranged in the temperature exhaust ring, and a cooling fan is arranged at the top end of the heat conduction device and used for cooling the energy-saving lamp ring. And the cooling fan can quickly discharge high temperature to the outside, so that the energy-saving lamp ring 5 is quickly cooled, and the service life is prolonged.

The efficient reduction electric heating device is characterized in that the efficient reduction electric heating device comprises a bottom plate, a cylindrical cavity is formed in the top of the bottom plate, a heating chamber is arranged in the cylindrical cavity in a matched mode, a furnace barrel is connected to the top of the heating chamber, a middle heating pipe is installed at the position, located in the furnace barrel, of the top of the heating chamber, and heat conduction pieces are installed on the outer side of the furnace barrel at equal intervals; five heat conduction pipes are arranged at the top of the heating chamber and located outside the furnace barrel at equal intervals, the heat conduction pipes are filled with superconducting liquid, annular aluminum fins are arranged on the outer sides of the heat conduction pipes, a heating pipe fixing insulating plate is fixedly installed in the center of the bottom of the bottom plate, five installation holes are formed in the heating chamber at equal intervals, and bottom heating pipes are fixedly installed in the installation holes. According to the electric heating device, heat transfer can be exerted to the maximum extent, the heat heating effect is achieved in a real sense when the electric heating device is started, and the heat conduction pipe still works normally when electric energy is sequentially reduced (because the heat conduction rod starts to work when the temperature reaches 30 degrees).

The non-contact liquid level sensor easy to install comprises an installation frame and a sensor body, two hydraulic telescopic cylinders at the same height are arranged on the installation frame, two parallel clamping plates are symmetrically arranged on the two sides of the sensor body, and the ends of the hydraulic telescopic cylinders are connected with the two clamping plates through strong magnetic force. The bottom of the sensor housing close to the middle is provided with a wire, the top of the sensor housing is provided with a heat dissipation assembly, and the top center of the mounting rack is provided with a heat dissipation fan. According to the utility model, the end part of the telescopic rod of the hydraulic telescopic cylinder is in strong magnetic connection with the clamping plate, so that the sensor is in strong magnetic connection with the mounting frame, and the sensor can be quickly mounted and dismounted without the help of an external tool; the hydraulic telescopic cylinder is electrically connected with the control panel, the height of the sensor is adjusted through the control panel so that the sensor can detect the highest liquid level or the lowest liquid level, and therefore the efficiency of mounting and dismounting the sensor is improved.

The utility model discloses a novel reflow soldering furnace fixture, including the fixture upper cover, the fixture upper cover is equipped with recess portion, the recess portion is fixed with the heat dissipation subassembly, the heat dissipation subassembly includes the heat dissipation base and the integrated multiple heat dissipation teeth, the heat dissipation base bottom surface close recess portion upper surface. The utility model discloses technical effect and advantage: install heat dissipation tooth on the welding fixture upper cover, after the fixture enters the soldering furnace, the large -area advantage of heat dissipation tooth is shown, it can rapidly absorb heat, absorbs more heat in shorter time, thereby lets the solder paste reach melting point in shorter time, then again in the cooling section, the heat is scattered fast, makes the solder paste quick solidification and reduces the temperature when the fixture is discharged, guarantees the temperature of the fixture and product when discharging not too high, thereby solves the personnel scald hidden danger, guarantees the product and is equipped into the tray, will not cause the tray deformation, product damage.

The utility model relates to the technical field of vacuum furnaces, and particularly discloses a rapid cooling device for a vacuum furnace, which comprises a vacuum furnace body, a cooling cavity, a spiral cooling pipe, a cold liquid device and a cold air device, the cooling cavity is embedded in the inner wall of the vacuum furnace body, and the spiral cooling pipe is arranged in the cooling cavity; a spiral guide plate is arranged in the spiral cooling pipe in the axial direction and divides the spiral cooling pipe into a cold liquid medium channel and a cold air medium channel. The cold liquid device is communicated with the cold liquid medium channel through a pipeline and is used for circularly cooling a liquid medium; the cold air device is communicated with the cold air medium channel through a pipeline and is used for conveying a flowing gas medium into the cold air medium channel; a spiral guide plate is arranged in a spiral cooling pipe in the axial direction, and the spiral guide plate divides the spiral cooling pipe into a cold liquid medium channel and a cold air medium channel; rapid heat absorption of liquid and forced convection of gas are achieved, and the cooling speed is increased.

The invention belongs to the technical field of fuel filters, and discloses a connecting shaft driven efficient diesel filtering device which comprises a filter body, a filtering rotating assembly and a magnetic shaft coupling assembly. The filter main body comprises a main oil chamber and a power chamber; the filtering rotating assembly comprises an iron core frame rotationally arranged in the main oil chamber, a paper filter element is arranged in the iron core frame, and external diesel oil is filtered through the paper filter element; the oil path assembly comprises an oil inlet channel and an oil outlet channel, and the oil inlet channel extends into an inner cavity of the paper filter element; the magnetic shaft coupling assembly comprises a motor, the motor is in transmission connection with an induction rotating wheel, and the induction rotating wheel is in transmission connection with the iron core frame through magnetic shaft coupling. According to the diesel oil filtering device, by means of a large amount of heat generated when the magnetic shaft coupling assembly works, the temperature of diesel oil in the filter can be increased, so that the viscosity of the diesel oil is reduced, the filtering rotating assembly can rapidly throw the diesel oil out of the paper filter element through the centrifugal effect in the rotating process, and the filtered diesel oil is stirred towards the oil outlet channel; therefore, the filtering efficiency of the filter is improved.

The utility model discloses a surface cleaning device which comprises a floor brush and a cleaning part rotatably installed on the floor brush, the floor brush comprises a floor brush shell, a dirt scraping part, a liquid separation part and a heating part, the dirt scraping part abuts against the cleaning part to scrape the cleaning part, the liquid separation part is used for supplying cleaning liquid to the cleaning part, and the heating part is used for heating the cleaning part in the rotating direction of the cleaning part. The dirt scraping part is located on the upstream side of the liquid separation part, the heating part is located on the downstream side of the liquid separation part, an infiltration gap exists between the liquid separation part and the heating part, and the heating part is used for heating the cleaning part and cleaning liquid on the cleaning part. By arranging the infiltration gap, the cleaning liquid sprayed to the cleaning piece through the liquid separation piece can be fully infiltrated on the cleaning piece before reaching the heating piece, the heating piece can heat the cleaning piece and can also heat the cleaning liquid infiltrated in the cleaning piece, and compared with the cleaning piece, the cleaning liquid is faster in heat absorption and better in soaking effect; and the cleaning capability of the cleaning part can be improved.

The utility model discloses a heat exchanger and water treatment facilities. The heat exchanger includes main part, at least two inflow joints and at least two outflow joints, and the main part is used for setting in the water treatment facilities, and the inside is provided with the heat exchange cavity for flowing through the heat exchange cooling liquid, the inflow joint and the outflow joint are all connected to the main part, and the inflow joint and the outflow joint are communicated through the heat exchange cavity. Through the above design, the multiple inflow joints can be connected to the source pipeline of multiple heat exchange cooling liquids simultaneously, specifically, one inflow joint is used for connecting the heat exchange liquid tank, and another inflow joint is used for connecting external tap water and other water sources. The heat exchange liquid tank can be used to store liquid ammonia and other liquids with heat absorption speed greater than water to improve the heat absorption speed of the heat exchanger. In actual use, the heat exchanger can use various heat exchange cooling liquids for heat exchange according to actual needs, improving the heat exchange performance of the heat exchanger.

The utility model relates to the technical field of cooling systems, in particular to a medium-frequency electric furnace water cooling system which comprises a medium-frequency electric furnace, a first cooling device, a second cooling device, a water tank and a cooling water pipe. The cooling water pipe is hermetically connected with the first cooling device, the second cooling device and the water tank to form the closed cooling loop, so that cooling water for cooling the medium-frequency electric furnace is closed in the circulating process, the cooling water cannot leak or evaporate, water resources are fully utilized, and waste of the water resources is avoided; besides, the first cooling device and the second cooling device are provided with heat exchange mechanisms, compressors, condensers and pressure reducers which are sequentially connected, cooling water circularly flows to rapidly absorb and release heat, a plurality of cooling fins are arranged on a cooling water pipe and have large contact area with the cooling water pipe, heat in the cooling water is guided out, and the cooling effect of the cooling water is improved. And the effect of efficiently and circularly cooling the medium-frequency electric furnace is achieved.

The present application relates to the field of flue gas desulfurization, and particularly relates to a flue gas dust removal and desulfurization device, which comprises a foundation base plate, a desulfurization and dust removal tank fixedly installed on the top center position of the foundation base plate, and two groups of suction and pressure conveying tanks which are detachably installed on the top surface of the foundation base plate and located on the two side edge positions. A hydraulic rod is fixedly installed on the top inner side surface of the suction and pressure conveying tank. A sealing extrusion disc is fixedly connected to the output end of the hydraulic rod. The high-temperature flue gas is conveyed by cooperating with the sulfur gas conveying pipe, and the flue gas is directly injected into the center position of the high-efficiency activated carbon. The flue gas is treated by the high-efficiency activated carbon for all-around dust removal and desulfurization. When the gas is continuously filled and accumulated, the hot flue gas will gradually start to rise. At this time, the flue gas is contacted with the flue gas filter plate which is in close contact with the high-efficiency activated carbon, and the flue gas filter layer on the outer side surface of the flue gas filter plate is used to filter the rising flue gas and some impurity particles which are not completely filtered and removed.

The invention relates to the field of cables, and in particular to a fire-resistant cable and a production process thereof. In the production process of the fire-resistant cable, a composite tape layer is wrapped with a modified ceramic silicone rubber composite tape as a raw material, so that the fire-resistant cable has good heat insulation and fire resistance performance, and the fire-resistant cable has the ability to maintain normal operation when a fire occurs; the modified ceramic silicone rubber composite tape is prepared by pressing a modified rubber mix with a composite glass fiber felt by a cold pressing process and then curing and cross-linking the modified rubber mix by electron beam irradiation; and the modified rubber mix contains platinum particles and a nitrogen-phosphorus-sulfur flame retardant system, so that the ceramicization temperature and carbonization performance of the silicone rubber are effectively improved, so that the silicone rubber has better fire resistance; and the composite glass fiber felt contains alumina aerogel and phase change microcapsules, which have good heat insulation and heat absorption capabilities, can delay the transfer of heat when a fire occurs, and thus the fire-resistant cable has better fire resistance performance.

The utility model relates to the technical field of lithium batteries, in particular to a heat insulation pad for a lithium battery pack, which comprises a heat insulation pad main body, and the heat insulation pad main body sequentially comprises a first phase change heat absorption layer, a first framework, an aerogel heat insulation layer, a second framework and a second phase change heat absorption layer from top to bottom, the first phase change heat absorption layer and the second phase change heat absorption layer are both made of polyethylene fiber base materials, the first phase change heat absorption layer and the second phase change heat absorption layer are both coated with nanometer metal oxide with heat storage capacity, and the first framework and the second framework are made of nanometer hollow microspheres. The high-safety lithium battery pack has the effects of meeting the use requirements of the high-safety lithium battery pack and improving the heat insulation effect.

The invention provides a phase change energy storage module preparation method and a heatstroke prevention and cooling labor protection product, and relates to the technical field of energy storage and utilization. According to the phase change energy storage module, the nanometer heat conduction particles and the plasticizing lubricant are added into the initial phase change material, the target phase change material is obtained through blending, then the target phase change material is packaged, and finally the phase change energy storage module is obtained. Therefore, the nano heat-conducting particles are added into the initial phase-change material, so that the heat conductivity and the heat transfer efficiency of the phase-change material are improved, rapid and effective heat absorption or heat release can be realized, rapid and uniform transfer of heat in the whole phase-change material is ensured, and the overall cooling effect of the phase-change energy storage module is improved; in addition, a plasticizing lubricant is added into the initial phase-change material, so that the flexibility and ductility of the phase-change material are improved, the comfort of a worker wearing the heatstroke-prevention labor protection product is better, the heatstroke-prevention labor protection product is not easy to crack or deform, and the durability is enhanced.

The utility model relates to the field of fireproof doors, and discloses a steel heat insulation fireproof door which comprises a door frame, a plurality of connecting plates are fixedly connected to the four corners of the outer surface of the door frame correspondingly, and motors are fixedly connected to the two sides of the outer surface of the door frame through the connecting plates correspondingly; the two sides of the outer surface of the door frame are rotationally connected with two threaded rods through the multiple connecting plates, the driving ends of the motors penetrate through the inner walls of the connecting plates and are fixedly connected to one sides of the threaded rods, and the sides, corresponding to the threaded rods, of the outer surface of the door frame are fixedly connected with limiting rods through the multiple connecting plates. The motor drives the threaded rod to rotate, the moving direction of the connecting block is limited through the limiting rod, then the threaded rod rotates to drive the connecting block to ascend and descend along the outer wall of the limiting rod, liquid in the liquid storage cavity is conveniently conveyed into the connecting block through the hose, and the liquid is sprayed out of the atomization nozzle to cool the exterior of the fireproof door; and the effect that people can escape conveniently is achieved.

The invention relates to the technical field of fire fighting systems, in particular to a superfine water mist fire retardance and explosion suppression device, a fire retardance and explosion suppression method and a fire retardance and explosion suppression system. The superfine water mist fire retardance and explosion suppression device comprises a high-pressure airflow injection unit, a water mist spraying unit, a high-pressure water flow injection unit and a charging unit. The water mist spraying unit is arranged on the high-pressure airflow injection unit and is connected with the air outlet end of the high-pressure airflow injection unit; the water outlet end of the high-pressure water flow injection unit extends to be arranged in the high-pressure air flow injection unit and is connected with the water mist spraying unit; the charge unit is arranged on the high-pressure airflow injection unit and externally connected with high-voltage alternating current, and the charge unit is used for applying high-voltage charges to the superfine water mist sprayed by the water mist spraying unit. According to the invention, the superfine water mist with smaller particle size can be obtained, so that the defects of the water mist in the prior art are overcome.

The invention discloses a high-thermal-conductivity Cu-Al-Ni memory alloy and a preparation method thereof, belongs to the field of thermal management of phase change materials for electrical devices, and particularly relates to the high-thermal-conductivity Cu-Al-Ni memory alloy and the preparation method thereof. The invention aims to solve the heat dissipation problem of a novel electronic device. The alloy consists of the following components in percentage by mass: 82.4 to 82.55 percent of Cu, 13.6 to 13.45 percent of Al and 4.0 percent of Ni. The phase transition temperature of the memory alloy is 0-100 DEG C, and the high thermal conductivity is 91.7 W / mK. The quality factor FOM of the alloy is as high as 3648 * 10 < 6 > J2K-1s-1m-4 and is 8 times higher than that of other common phase change materials. In addition, the alloy can undergo martensite-austenite intertransformation in the heating / cooling process, heat is stored / released in the process, and thermal management of electronic components can be achieved.

The utility model relates to the technical field of crystal packaging, in particular to a crystal packaging structure which comprises a shell with an opening in the top, the top of the shell is movably connected with a cover plate, the shell comprises a protective shell with an opening in the top, a placing box with an opening in the top is arranged in the protective shell, and the cover plate is movably connected with the protective shell. The upper end of the protective shell is connected with the placing box through a square connecting plate, the inner surface of the protective shell below the connecting plate and the outer surface of the placing box form a cooling cavity, and the shell of a double-layer structure is arranged and divided into the placing box and the protective box, so that during use, a crystal can be placed in the placing box; and the placing box and the protective shell are connected only through the connecting plate at the upper end, and the contact area between the internal placing box and the protective box is small, so that the crystal in the placing box is basically not influenced by the external temperature change.

The invention relates to a preparation method of a graphene / phase change composite material with a gradient structure. The preparation process comprises the following four parts: firstly, preparing graphene hydrogel with different porosities by a hydrothermal method; then putting the obtained graphene hydrogel into a quartz mold of which the bottom is in contact with copper plates with different pre-freezing temperatures by utilizing an ice template method, freezing water in the hydrogel from bottom to upper surface, and enabling ice crystals to vertically and radially grow from the bottom; freeze-drying the graphene aerogel in a freeze-drying machine to obtain graphene aerogel with different porosities and different pore diameters; a layer of graphene oxide solution is sprayed on the surface of aerogel needing welding, then a layer of hydrazine hydrate solution is sprayed, the two surfaces are tightly attached, and the integrated graphene aerogel with the gradient aperture structure is obtained after the solvent is naturally volatilized. In order to optimize the heat transfer performance, the graphene aerogel with large porosity and large aperture should be placed on the bottom layer, and the graphene aerogel with small porosity and small aperture should be placed on the top layer; and finally, obtaining the graphene / phase change composite material with the gradient structure through a vacuum impregnation method. The gradient structure facilitates rapid heat absorption close to a heat source, has enough heat conduction channels far away from the heat source, and facilitates improvement of heat utilization of the phase change composite material, optimization of a heat transfer structure and shortening of heat charging and discharging time.

The invention discloses a cooling liquid for a fuel cell and a preparation method of the cooling liquid. The cooling liquid comprises 40 to 55.5 wt% of deionized water, 35 to 50 wt% of amino acid salt, 0.5 to 5 wt% of dioctyl azelate, 0.1 to 0.2 wt% of a buffer agent, 0.2 to 0.4 wt% of tributyl phosphate, 0.8 to 1.1 wt% of acrylic ester, 1.2 to 3.6 wt% of a nonionic metal inhibitor and 1.6 to 4.8 wt% of a heat conduction additive, the technical problems that an existing cooling liquid for the fuel cell is poor in heat transfer, corrosion resistance and durability can be solved. And the preparation method adopts a conventional method, so that the preparation difficulty and the operation difficulty of operators are greatly reduced.