11results about How to "Fast heat absorption" patented technology

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.

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 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 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 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.