18 results about "Cooling medium" patented technology

The invention relates to power cable comprising, at least one HTS-tape and a cooling system comprising a fluid cooling medium for cooling the at least one HTS-tape. The at least one HTS-tape being at least partly surrounded by a cooling layer comprising said fluid cooling medium and an electrical insulation at least partly impregnated with said fluid medium.

The power cable of the invention has shown to reduce the risk of fault current and electrically breakdown. When extra cooling is needed for stable operation the cooling medium may evaporate in the cooling layer for providing the cooling.

Disclosed is a light appliance and a cooling arrangement, comprising a light appliance and a substantially sealed enclosure for the light appliance that gives off unwanted heat into surrounding air within the enclosure during operation. The enclosure has an external wall at least part of which is thermally conductive. A medium, cooler than the external wall of the enclosure, contacts the external wall. An air circulating device is provided for circulating air, heated by the electrical appliance or by the air circulating device, to the thermally conductive portion of the external wall for removing heat from the air by thermally dissipating the heat into the cooler medium through said thermally conductive portion.

The invention discloses a motor stator heat radiation structure. A motor comprises a housing, a stator core disposed in the housing and a motor winding wound on the stator core. The housing is internally provided with multiple heat conduction pipes each with two enclosed ends, the housing is provided with multiple vertical cooling channels, an upper horizontal radiating pipe and a lower horizontal radiating pipe of each heat conduction pipe are embedded into the stator winding, and vertical cooling pipes of the heat conduction pipes are disposed in the cooling channels. According to the invention, the heat conduction pipes are additionally arranged for heat dissipation, the original heat dissipation effect of the motor for the stator core is maintained, at the same time, heat generated by the stator winding is directly brought into the water channel of the housing by the heat conduction pipes through the end portion of the stator winding, and finally cooling media in the cooling channels bring the heat of the motor out. Under the condition that an original motor structure is not substantially changed, the heat dissipation performance of the whole motor is improved, the structure is simple, the cost is quite low, and the stability and the safety of the motor are greatly improved.

The present invention relates to a low SO ₂ /SO ₃ SCR denitrification system with high conversion rate, a heat exchanger is installed between the first layer catalyst and the second layer catalyst of the SCR reactor, the heat exchange through the heat exchanger can reduce the temperature of the flue gas entering the second layer catalyst, and the heat exchanger inlet has flow The regulating valve can control the flow of cooling medium. The invention can greatly reduce the conversion rate of SO2/SO3 when the unit is in normal operation without affecting the denitrification effect, thereby effectively reducing the problem of ABS deposition in the power plant.

It is proposed a two-phase heat exchanger device for a power-electronic module arrangement having a semiconductor module. The two-phase heat exchanger device includes a base plate configured for being in contact with a first semiconductor module at a first side of the base plate; and at least one tube element for a first cooling medium including a first portion having at least one evaporator channel and a second portion having at least one condenser channel. The base plate has a groove containing the tube element, wherein the groove is dimensioned for enabling thermal contact between the base plate and the first portion of the tube element and dimensioned to form a gap between the base plate and the second portion of the tube element for thermal separation of the base plate and the second portion of the tube element.

The invention provides a secondary cooling method and device for a continuous casting machine. The method comprises the following steps of: arranging a plurality of secondary cooling subareas in a casting direction, wherein each secondary cooling subarea comprises at least one cooling unit; arranging a plurality of spraying collector tube outlets in a spraying collector tube, wherein each sprayingcollector tube outlet is connected with a corresponding spray nozzle pipeline and a corresponding spray nozzle; introducing a cooling medium into the spraying collector tube through spraying collector tube inlets, and spraying and impacting the cooling medium to the surface of cast blank to perform secondary cooling through the multiple spray nozzles; and independently controlling each secondarycooling subarea by regulating pressure and flow of the cooling medium. According to the secondary cooling method provided by the invention, outflow amount of single spray nozzle can be controlled andregulated, so that secondary spraying water amount inside single subarea is close to linear changes, smooth transition of secondary cooling water amount between every two adjacent subareas is guaranteed, cooling uniformity of the secondary cooling subareas is improved, stress concentration of cast blank and crack generating probability are reduced, cost increase is hardly generated, and operability is strong, and therefore, the secondary cooling method has a very wide market and a very wide application prospect.

The invention discloses a low-temperature chain processing technology of maca superfine powder from fresh maca through freeze-thawing and wall breaking, and belongs to the field of food processing. The low-temperature chain processing technology of the maca superfine powder comprises the following steps: harvesting fresh maca; carrying out pre-treatment, namely removing leaves, stems, fibrous roots and the like from the harvested maca; carrying out washing and air-drying, packing the air-dried maca in freshness protection packages, and carrying out storing in a fresh keeping cabinet at 1-2 DEG C; slicing the freshness-protected maca and conducting dicing, freezing the maca dices in a refrigerator at 16 DEG C below zero for 6 hours, and thawing the frozen maca dices at normal temperature for 1 hour; freezing the thawed maca dices in the refrigerator at 16 DEG C below zero for another 6 hours, and thawing the frozen maca dices at normal temperature for 1 hour; transferring the thawed maca dices into a microwave or infrared dryer which utilizes air of room temperature (40 DEG C or lower) as a cooling medium, and rapidly drying the materials while maintaining the temperature of the materials being 58 DEG C or lower until the water content of the materials is 5% or lower; and transferring the dried maca dices into a low-temperature (45 DEG C or lower) ultrafine grinder so as to grind the maca dices until the particular sizes are 6.5 microns or smaller, wherein the whole processes are in a low-temperature (58 DEG C or lower) chain. Thus, the nutrients are preserved to the maximum extent, the cell walls are broken to the maximum extent, and the active ingredients are thereby fully released. The maca superfine powder with high fineness facilitates direct absorption through the oral mucosa and full utilization.

The invention provides a heat dissipation measuring method for electromechanical equipment. The method comprises the following steps that: S1, a measurement device is established; S2, measurement data are acquired, measurement components are adopted to measure a mass flow rate m corresponding to each cooling medium flowing through a box body and measure the temperature T1 of a liquid inlet, the temperature T2 of a liquid outlet, the temperature T3 of a gas inlet, the temperature T4 of a gas outlet, the temperature T5 of the inner wall surface of the box body, the temperature T6 of the outer wall surface of the box body, the total area A of the inner wall of the box body and the wall thickness L of the box body; and S3, heat dissipation quantity calculation is carried out: a heat dissipation quantity Q is calculated. According to the heat dissipation measuring method for the electromechanical equipment of the invention, the heat dissipation quantity Q of electromechanical equipment under a working condition is measured; the measurement components are adopted to measure the temperature of the gas inlet, the gas outlet , the liquid inlet, the liquid outlet, the inner wall and outer wall of the box body, so that the heat dissipation quantity is calculated; and therefore, design reference is provided for the heat dissipation design of the electromechanical equipment, heat load and heat pollution in the operation process of the electromechanical equipment are reduced, and the energy consumption of air cooling or liquid cooling design is ensured.

The embodiment of the invention provides an air conditioner unit and an air conditioning system. The air conditioner unit comprises a machine shell, a compressor, an air-liquid separator, a cooling pipeline, an evaporation assembly and a fan. A liquid inlet and a liquid outlet which are arranged in a spaced manner are formed on the machine shell. The air conditioner unit comprises a liquid inlet pipe and a liquid outlet pipe. An air inlet is formed on the machine shell and is used for allowing outside air to enter a containing cavity. The evaporation assembly comprises an evaporation pipelinearranged around the machine shell. The evaporation pipeline communicates with the air-liquid separator, and the air-liquid separator communicates with the compressor. After air enters the evaporationpipeline, water vapor is formed, after water vapor enters the air-liquid separator, air of a first temperature and liquid of a second temperature are obtained, the air of the first temperature is exhausted out of the machine shell under the combined action of the compressor and the fan, the cooling pipeline communicates with the air-liquid separator and the compressor, a cooling medium is arrangedin the cooling pipeline, and the liquid of the second temperature is conveyed out of the machine shell through the cooling pipeline and the liquid outlet pipe. The air conditioner unit has the energysaving effect.

An enclosure having a top and at least one side to surround equipment is disclosed. The enclosure includes a first set of ventilation ports disposed toward the bottom of the enclosure, a second set of ventilation ports disposed toward the top of the enclosure, and a baffle disposed proximate the top at the interior of the enclosure. The top of the opening of the first set of ventilation ports is disposed to be lower than the bottom of the equipment, the bottom of the opening of the second set of ventilation ports is disposed to be higher than the top of the equipment, and the baffle is configured to direct a cooling medium toward the second set of ventilation ports.

The invention discloses a slurry bed reactor, comprising: a shell, an inlet is formed at the bottom of the shell and an outlet is formed at the top; at least one heat exchange plate is arranged in the shell, The heat exchange plate has a flat plate structure and extends along the up and down direction. There is a cavity in the heat exchange plate, and a cooling medium inlet and a cooling medium outlet communicated with the cavity are formed on the heat exchange plate. According to the slurry bed reactor of the present invention, at least one heat exchange plate with a cavity and a flat plate structure is arranged in the slurry bed reactor, and a cooling medium inlet communicating with the cavity is formed on the heat exchange plate and the cooling medium outlet, so that the slurry in the slurry bed reactor can exchange heat with the cooling medium through the wall of the heat exchange plate, which increases the heat exchange area, enhances the heat exchange effect, and prevents the occurrence of runaway temperature. The temperature stability of the whole slurry bed reactor is ensured.

The invention discloses a coal chemical industry conversion low-temperature condensate steam stripping process which comprises the following steps: S1, acquiring low-temperature conversion condensateseparated by a conversion separator, and preheating the conversion condensate; S2, introducing the preheated conversion condensate into a stripping tower from the middle part, and introducing low-pressure steam into the stripping tower from the bottom; S3, carrying out reverse contact stripping on the conversion condensate and low-pressure steam in a filler or tower tray of a stripping section, carrying out reverse contact stripping on stripping gas after stripping and a tower top condensate reflux in a filler or tower tray of a rectifying section, and rectifying the reflux; S4, condensing therectified stripping gas through a tower top condenser, sending the condensed and separated stripping gas to a downstream device, and enabling the separated reflux liquid to flow back to the rectifying section; by changing the feeding position of the low-temperature condensate, changing a cooling medium of a tower top heat exchanger and optimizing the operating temperature of the heat exchanger. Therefore, problems of corrosion of thetower top condenser, pipelines and valves and ammonium salt crystallization of a lower area of the tower top condenser and a gas-phase pipeline of an acid water vapor extraction opening can be effectively solved.

The cold drink producing process includes the following steps: compounding water, sugar, milk powder, additive, etc. to form composition solution; sterilizing; pouring the composition solution inside mold; freezing first in cooler medium solution of NaCl or CaCl2 at the temperature of -3 deg.c to -20 deg.c and then in cooler medium solution of CaCl2 at the temperature of -20 deg.c to -40 deg.c; demolding; and packing. Thus produced cold drink has ice crystal structure dissimilar to that in traditional cold drink produced in a one-step freezing process and improved taste.

Embodiments of the present application provide a cooling device, a semiconductor processing chamber and equipment. The cooling device is set at the connection between the exhaust port of the chamber and the exhaust pipe, including: a cooling pipeline and a recovery pipeline; a cooling medium flows in the cooling pipeline to cool the connection, and the recovery pipeline is used for Recycle the cooling medium. The embodiment of the present application can effectively improve the sealing effect and safety of the sealing ring of the connecting part; it can also effectively prolong the service life of the sealing ring. The embodiment of the present application has a simple structure and is convenient to install, and can effectively reduce use and maintenance costs.

The embodiment of the invention provides electronic equipment. The electronic equipment specifically comprises an equipment body, a flexible display screen and a heat pipe, the flexible display screen is arranged on the equipment body, and the flexible display screen is provided with a first flexible pressing area and a second flexible pressing area; the heat pipe is arranged in the equipment body, a cooling medium is arranged in the heat pipe, and two ends of the heat pipe are respectively an evaporation end and a condensation end; the evaporation end is provided with a first pressing piece, the first pressing piece is connected with the flexible display screen of the first flexible pressing area, the condensation end is provided with a second pressing piece, and the second pressing piece is connected with the flexible display screen of the second flexible pressing area; when the first flexible pressing area is pressed, the cooling medium flows from the evaporation end to the condensation end, and when the second flexible pressing area is pressed, the cooling medium flows from the condensation end to the evaporation end.

The invention provides a heat exchange substrate assembly, a heat exchange module, a controller and an air conditioner. The heat exchange substrate assembly comprises a substrate body and a temperature sensing bulb, a cooling flow channel is constructed in the substrate body, the cooling flow channel is provided with an inlet pipeline, a flow adjusting device is arranged in the inlet pipeline, thetemperature sensing bulb is communicated with the flow adjusting device and is filled with a thermal medium, and the thermal medium can adjust the flow of the cooling medium flowing in the flow adjusting device along with the temperature change of a preset area detected by the temperature sensing bulb and/or the temperature change of the cooling medium in the inlet pipeline. According to the heatexchange substrate assembly, the heat exchange module, the controller, the air conditioner and the flow adjusting device, the flow of the cooling medium circulating in the flow adjusting device is adjusted in real time through the thermal medium, no external control component is needed, and the cooling load and the thermal load of the cooling fluid in the heat exchange substrate assembly are matched and balanced.

The invention provides a double-liquid quenching method for a screw rod based on infrared temperature detection. The double-liquid quenching method comprises the steps: (1) sending a screw rod workpiece heated by magnetic induction into a first-stage cooling mechanism firstly, and spraying cooling water to the screw rod workpiece by a first-stage cooling medium spraying component; in the process of spraying the cooling water, collecting the surface temperature of the screw rod workpiece in real time by an infrared thermometer; (2) when the surface temperature of the screw rod workpiece collected by the infrared thermometer reaches 600 DEG C, taking out the screw rod workpiece from the first-stage cooling mechanism, sending the screw rod workpiece into a second-stage cooling mechanism, andspraying cooling oil to the screw rod workpiece by a second-stage cooling medium spraying component until the screw rod workpiece is cooled to room temperature; (3) chilling the cooled screw rod workpiece for 60min; and (4) after preserving heat of the screw rod workpiece to the room temperature, conducting tempering. By obtaining the surface temperature of the screw rod in the induction quenchingprocess, switching the cooling liquid in time, and making full use of the cooling properties of water and oil, the double-liquid quenching method reduces the probability of surface cracking of the screw rod.