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231 results about "Supercooling" patented technology

Supercooling, also known as undercooling, is the process of lowering the temperature of a liquid or a gas below its freezing point without it becoming a solid.

Dynamic load adaptive charging pile liquid cooling control method

The invention discloses a dynamic load adaptive charging pile liquid cooling control method, relates to the technical field of thermal management, and solves the problems of temperature prediction deviation, local hot spot leak detection and protective supercooling caused by a simplified thermal model based on fixed parameters and key temperature points under rapid load fluctuation. Parameterization time-varying heat supply network parallel multi-rate observation is constructed, a heat exchange coefficient and node heat capacity are identified and calibrated through recursion with physical constraints, transmission time delay is merged into an extended state in an explicit mode, short-window high-frequency sampling and local temperature field reconstruction are triggered based on residual errors, and the time-varying heat supply network parallel multi-rate observation is achieved. A control sequence is issued in parallel by adopting hierarchical rolling type control with a second-order moment uncertainty constraint; based on the scheme, the short-term temperature field prediction precision and the local hot spot identification capability are improved, and the cooling resource directional utilization efficiency and the charging system operation continuity are remarkably improved.
Owner:ZHONGSIDA (HEBI) TECHNOLOGY CO LTD

Nitro binary fused salt and preparation method thereof

The invention relates to the technical field of molten salt, in particular to nitro binary molten salt and a preparation method thereof. The preparation method comprises the following steps: mixing sodium carbonate and a potassium hydroxide solution, and then adding a starch-based grafted crystal inhibitor to inhibit crystallization; adding a nitric acid aqueous solution in two stages, and introducing eutectic seed crystals to guide nucleation at the end of the first stage; crystal distribution is optimized through falling film evaporation and concentration and setting of partial reflux; and after spraying granulation, carrying out short-time melting reforming and controlled cooling in an inert atmosphere. According to the method, the composition uniformity and the structural stability of the molten salt are remarkably improved, so that the product has a melting point close to a theoretical eutectic point, low supercooling degree, high melting latent heat and excellent thermal cycling stability and corrosion resistance, and is suitable for an industrial heat storage system running for a long time.
Owner:SHANXI WOJIN NEW MATERIAL CO LTD

Cooling device of insole secondary foaming forming machine

The utility model discloses a midsole secondary foaming forming machine cooling device which comprises a base, the top of the base is fixedly connected with a fixing block, one side of the fixing block is provided with a round through groove, a placing assembly used for placing a mold is arranged in the round through groove, the top of the base is fixedly connected with a bearing seat, and the bearing seat is provided with a bearing block. A cylinder is rotationally connected into the bearing seat through a bearing, a cavity is formed in the cylinder, a spiral pipe is fixedly connected into the cavity, and a connecting frame is fixedly connected to the inner wall of the cylinder. According to the utility model, the surface of the mold can be uniformly cooled through rotating centrifugal force, the problems of local supercooling and insufficient cooling of the mold are reduced, the deviation of medium and low density is reduced, the rotating speed required by different foaming materials can be matched, the rotating speed adjusting time is shortened, and the convenience of the device is improved; and the placing frame can be pushed to the middle of the cylinder, so that the production efficiency of the device is improved.
Owner:JINJIANG BANGDA PLASTIC

Collaborative model prediction control method for regional cooling system penetrating through source network load full chain

The invention provides a collaborative model prediction control method for a regional cooling system penetrating through a source network load full chain, and belongs to the technical field of intelligent control of cooling systems. Collecting and preprocessing meteorological and operation characteristic data of the system; inputting the data into an Attention-LSTM cold load prediction model, determining an optimal step length in combination with thermal inertia analysis, and outputting a cold load prediction sequence; based on the unified energy path theory, a pipe network quasi-steady-state hydraulic and thermal coupling mechanism model is constructed; by taking load prediction as input and the coupling model as constraint, establishing an optimization model containing three targets of pump consumption power and the like; rolling optimization is carried out by adopting a multi-target particle swarm optimization algorithm, and optimal operation parameters meeting thermal unbalance degree constraints are obtained; and in combination with the peak-valley electricity price, a cold source unit and cold storage device collaborative scheduling strategy is formulated, and a final control instruction is generated. The phenomena of insufficient cold supply at the tail end and local supercooling caused by hydraulic imbalance of a pipe network and large hysteresis characteristics are effectively solved, and optimal control over the operation cost is achieved.
Owner:OCEAN UNIV OF CHINA

A method for producing a space station containerless solidification niobium alloy surface uniform texture

PendingCN122361052ANiobium alloySupercooling
This invention discloses a method for preparing a uniform microstructure on the surface of a containerless solidified niobium alloy for a space station, relating to the field of containerless materials science experimental technology. The method first screens for highly supercooled samples suitable for preparing a uniform microstructure using this method in containerless space station experiments; calculates or experimentally determines the primary phase dendrite growth rate, the cooling rate coefficient of radiative heat dissipation during the cooling stage, and the primary phase nucleation rate; and conducts containerless space station experiments to allow the niobium alloy to undergo deep supercooling and rapid solidification within a determined suitable supercooling range, thus obtaining a solidified alloy sample with a uniform surface microstructure. This invention actively controls the distribution of dendrites and eutectic phases, resulting in a surface microstructure with uniformly distributed dendrites and interdendritic eutectic phases.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

A method, apparatus and system for controlling subcooling

The embodiment of the present application discloses a supercooling degree control method, device and system. The supercooling degree includes at least one of the supercooling degree of the condenser outlet and the supercooling degree of the expansion valve inlet. The inlet of the condenser is communicated with the compressor, the outlet of the condenser is communicated with the evaporator, the expansion valve and the electromagnetic valve are arranged in the communication pipeline of the condenser and the evaporator, the condensing fan is arranged near the condenser, the control method comprises: obtaining the current temperature and pressure of the condenser outlet and the current temperature and pressure of the expansion valve inlet; determining the current supercooling degree of the condenser outlet according to the current temperature and pressure of the condenser outlet, and determining the current supercooling degree of the expansion valve inlet according to the current temperature and pressure of the expansion valve inlet; and controlling the working state of the condensing fan, the expansion valve and the electromagnetic valve according to the current supercooling degree of the condenser outlet and the current supercooling degree of the expansion valve inlet. The supercooling degree control method, device and system provided by the embodiment of the present application can improve the control reliability.
Owner:JIANGSU TUOMILUO ENVIRONMENTAL TEST EQUIP CO LTD

Method and device for estimating refrigerant stock of refrigerating system and refrigerating system

PendingCN121993941AEstimate in real timeSimple and fast operationRefrigeration safety arrangementFlash-gasRefrigeration
The embodiment of the invention provides an estimation method and device for refrigerant stock of a refrigerating system and the refrigerating system. The method comprises the steps that first temperature information and first pressure information of a refrigerant at an outlet of a condenser and second temperature information of a refrigerant at an inlet of an expansion valve are obtained; according to the first pressure information and the first temperature information, the supercooling degree of an outlet of the condenser is determined; according to the difference between the supercooling degree of the outlet of the condenser and a preset supercooling degree threshold value, it is judged that abnormal flash gas exists in the refrigerating system; according to the first temperature information, the second temperature information and latent heat of vaporization of the refrigerant under the first pressure information, the flash gas ratio is calculated, the supercooling degree of an outlet of the condenser is corrected, and the corrected supercooling degree is obtained; and according to the corrected supercooling degree of the condenser outlet, the refrigerant stock of the refrigerating system is estimated based on a correlation model of the corrected supercooling degree of the condenser outlet and the refrigerant stock. According to the technical scheme provided by the embodiment of the invention, the accuracy of quality estimation of the refrigerant stock can be improved.
Owner:JIANGSU TUOMILUO ENVIRONMENTAL TEST EQUIP CO LTD

Gear hot die forging die with cooling channel

The utility model relates to the technical field of gear dies, and discloses a gear hot die forging die with a cooling channel, a lower die is mounted at the center of the upper surface of a bottom plate, a positioning column for positioning is fixedly mounted at the side end, corresponding to the lower die, of the upper surface of the bottom plate, and a top plate for supporting is fixedly mounted at the upper end of the positioning column; the upper heat conduction layer is in close contact with the cooling water pipe, and the lower heat conduction layer is connected with the cooling water pipe through a connecting pipe, so that the double heat conduction structure greatly improves the heat conduction efficiency, and the mold can be rapidly cooled in cooperation with the heat dissipation effect of the ventilation opening; and the cooling water pipe, the auxiliary pipe and the annular pipe are arranged in a surrounding manner, so that all parts of the mold can be uniformly cooled, the local overheating or supercooling condition is avoided, the uniformity of a mold temperature field is ensured, and the consistency and stability of gear forming are favorably improved.
Owner:CHANGZHOU SHUANGSHENG PRECISION FORGING CO LTD

A transcritical CO2 ultra-high temperature heat pump system and its temperature control method

The application discloses a transcritical CO2 ultra-high temperature heat pump system and a temperature control method, wherein supercritical CO2 is a high-temperature and high-pressure fluid at the outlet of a gas cooler, throttles to an evaporation pressure, and a large amount of throttling loss exists, which leads to the decrease of the heating energy efficiency ratio of the transcritical CO2 heat pump system, and is not conducive to the best energy-saving benefit of the ultra-high temperature heat pump. In view of the above problems, the application innovatively couples gas-electric dual-drive technology, two-stage compression intermediate cooling technology and mechanical supercooling technology, which can effectively reduce the high-pressure fluid temperature before the throttling valve of the CO2 working medium, reduce the throttling loss, drive the supercritical compressor through the adjustable turbine expander, reduce the power consumption of the compressor, improve the heating energy efficiency of the CO2 heat pump system, and flexibly and efficiently and stably supply steam in a wide range of variable working condition adjustment, improve the full working condition operation efficiency, achieve the purposes of energy saving and emission reduction and production cost reduction, and further widen the application range and application prospect of the high-temperature heat pump system.
Owner:ZHEJIANG UNIV

Thermal management system and energy storage equipment

According to the heat management system and the energy storage equipment provided by the embodiment of the invention, the multiple flow channels on the refrigerant substrate are arranged on the same flow channel plate, and the first flow channel used for receiving the refrigerant flowing out of the evaporator and the second flow channel used for receiving the refrigerant flowing out of the condenser on the flow channel plate are adjacently arranged through the shared pipe wall in a targeted manner; the first flow channel and the second flow channel exchange heat through the shared pipe wall, so that the superheat degree of a refrigerant flowing out of the evaporator can be improved, the supercooling degree of a refrigerant flowing out of the condenser can be reduced, and the overall energy efficiency of the heat management system can be improved, for example, the refrigeration energy efficiency of a battery pack can be improved. Due to the fact that the first flow channel and the second flow channel are adjacently arranged through the shared pipe wall in a targeted mode, and the multiple flow channels on the refrigerant base plate are arranged on the same flow channel plate, the situation that the overall energy efficiency of the heat management system is affected due to heat mixing among the multiple flow channels on the refrigerant base plate can be avoided.
Owner:HUAWEI DIGITAL POWER TECH CO LTD

Industrial waste heat recycling device

The utility model discloses an industrial waste heat recycling device which comprises an exchange bin. A water tank is arranged on the left side of the exchange bin, a heat absorbing plate is arranged on the left side of the water tank, a cold air bin is arranged at the lower end of the right side of the exchange bin, and a first connecting pipe is arranged on the lower side of the cold air bin. A second connecting pipe is arranged at the upper end of the hot air bin, four sets of water pipes are arranged on the right side of the water tank, under the spiral winding structure, heat can be rapidly transferred to a cold source from a heat source, the waste heat recovery efficiency is improved, the heat conduction performance of carbon steel is beneficial to more evenly distributing the temperature on the whole heat exchange surface in the exchange process, and the heat exchange efficiency is improved. According to the heat exchanger, the situation of local overheating or supercooling is avoided, so that the stability and reliability of heat exchange are improved, carbon steel has a good heat conductivity coefficient, and heat of hot water in the exchange pipes between the water pipes can be effectively exchanged with cold air of the exchange pipes between the two sets of air inlet pipes and air outlet pipes.
Owner:玉林市节能中心

A preheating installation for desalinated water in a power plant

The application discloses a kind of preheating facilities of power plant desalted water, it is related to heat exchanger technical field.The application includes heat exchange box, the middle of heat exchange box is opened with cross cavity, the two sides of cross cavity are opened with upper heat exchange cavity and lower heat exchange cavity distributed in upper and lower, the side of upper heat exchange cavity away from cross cavity is opened with upper heat medium cavity, the side of lower heat exchange cavity away from cross cavity is opened with lower heat medium cavity, cross cavity is provided with flow guide hole between upper heat exchange cavity and lower heat exchange cavity, through-hole is arranged between upper heat exchange cavity and lower heat exchange cavity, and lifting window is arranged between upper heat exchange cavity and upper heat medium cavity, and between lower heat exchange cavity and lower heat medium cavity, the inside of heat exchange box is provided with two groups of Z-shaped heat exchange pipe groups.The application can adjust the angle of inclined pipe, and can change the height difference of inlet and outlet when adjusting, so that the device can be suitable for different working conditions, prevent the problems such as local overheating, supercooling or flow not smooth caused by uneven pressure or flow rate mismatch.
Owner:HUANENG POWER INT INC JINGGANGSHAN POWER PLANT

Method and device for providing sub-cooling of refrigerants

The invention relates to a dynamic method for maintaining a predetermined supercooling of the refrigerant exiting the condenser by means of dynamically controlling the circulating mass of the refrigerant by transferring refrigerant into or to a reservoir installed in parallel with the connection between the condenser and the regulator depending on the temperature difference between the condensation temperature of the saturating liquid and the outlet temperature of the condenser.
Owner:CRYO PUR

Heat pump system

The invention relates to the field of heat pump air conditioners, in particular to a heat pump system. The heat pump system comprises a main circulation loop, a supercooling heat increasing loop and a heat supply circulation loop. The main circulation loop comprises a heat supply module; the heat supply module comprises a main heat exchanger, a first medium circulates in the main heat exchanger, a second medium circulates in the heat supply circulation loop, and the main heat exchanger communicates with the heat supply circulation loop, so that the first medium and the second medium exchange heat in the main heat exchanger; the supercooling heat increasing loop comprises a heat exchange assembly. And a third medium circulates in the heat exchange assembly, the heat exchange assembly communicates with the main circulation loop, and the heat exchange assembly is located on the downstream of the main heat exchanger, so that the third medium and the first medium exchange heat in the heat exchange assembly. According to the heat pump system provided by the invention, the supercooling heat increasing loop is arranged, so that the refrigerant in the main circulation can be cooled twice, the supercooling degree of the refrigerant is improved, the throttling loss is reduced, the effective circulation refrigerating capacity is increased, and the overall performance of the system is improved.
Owner:HUANENG SONGYUAN THERMAL POWER CO LTD +1

A coupling type energy-saving structure of a ground source heat pump and a waste heat recovery device

The utility model provides a kind of coupling type energy -conserving structure of ground source heat pump and waste heat recovery device, it is related to energy -conserving equipment technical field, including three -way electromagnetic valve, further include: adjusting installation component, adjusting installation component is constituted by first annular pipe, second annular installation pipe, third annular installation pipe and heat pipe, in adjusting installation component, first annular pipe, second annular installation pipe and third annular installation pipe are fixedly connected from outside to inside in turn, and all are connected with heat pipe, heat can be conducted between these annular pipes and heat pipe, when system operates, heat flows in through heat pipe, and then disperses into each annular pipe, the structure of annular pipe can increase the distribution area of heat, so that heat is evenly transmitted, sealing flange cover is arranged on heat pipe, plays a sealing effect, prevents heat and medium leakage, the design of this component through annular pipe, effectively improves the uniformity of heat conduction, improves heat exchange efficiency, avoids local overheating or supercooling.
Owner:OBL NEW ENERGY TECHNOLOGY (HUBEI) CO LTD

System configuration for coal power unit to adapt to deep peak regulation flexible operation

The utility model provides a system configuration for a coal power unit to adapt to deep peak regulation flexible operation, which is characterized in that a newly-added external steam cooler is arranged at an existing final-stage high-pressure water supply outlet of a water supply pipeline, and a steam side inlet of the newly-added external steam cooler is connected with a pressurization module; steam lower than the target steam extraction pressure grade is introduced into an inlet of the pressurization module, and a steam side outlet of the newly-added external steam cooler communicates with a steam inlet of an existing final-stage high-pressure heater; the steam lower than the target steam extraction pressure grade is pressurized by the pressurization module, firstly enters the newly-added external steam cooler to heat the feed water, and then enters the existing final-stage high-pressure heater to heat the feed water, so that the temperature of the feed water entering the furnace of the unit is increased; and meanwhile, a certain feed water pressure is maintained, so that feed water at an outlet of the economizer is kept at a certain supercooling degree, dry-state operation of the boiler is maintained under the deep peak regulation working condition, the hydrodynamic stability is maintained, and the denitration system is continuously and stably put into operation.
Owner:SHANGHAI WAIGAOQIAO NO 3 POWER GENERATION

An undercooling box for a condenser and a horizontal condenser

PendingCN122447868AClosed chamberMechanics
The application discloses a supercooling box suitable for a condenser and a horizontal condenser, wherein the cover plate of the supercooling box is horizontally arranged at the top, the arc-shaped plate is extended upwards from the bottom of the arc-shaped plate and is buckled with the upper end cover plate, the outlet is arranged at the middle of the bottom, the notches are arranged at the two ends to form the liquid inlet, the end plate, the cover plate and the arc-shaped plate form a closed chamber, the baffles are distributed and arranged in the closed chamber, the liquid flow forms a serpentine or zigzag flow channel along the baffles in the closed chamber, the two ends of the supercooling box are arranged at a distance from the tube plate at the two ends of the cylinder, and the arc-shaped plate at the bottom of the supercooling box is arranged at a distance from the cylinder and is consistent with the arc of the cylinder. The defects that the existing condenser is easy to accumulate refrigerant and the refrigerant is gathered at the water inlet side are improved.
Owner:MCQUAY AIR CONDITIONING & REFRIGERATION WUHAN

An overfeed liquid supply device

The application discloses a super-multiple liquid supply device, belonging to the field of refrigeration technology, aiming at solving the problems of low heat exchange efficiency, high risk of liquid strike, unstable oil return and the like of the existing direct expansion refrigeration system. The device comprises a rack, a gas-liquid separator, an oil distiller, an ejector pump, a first electromagnetic valve, a second electromagnetic valve, a stop valve group and an electrical control system; the gas-liquid separator and the oil distiller are installed on the rack, and the oil distiller is located directly below the gas-liquid separator; the gas-liquid separator is connected with a gas return pipeline and a suction pipeline, the oil distiller is communicated with the gas-liquid separator through a connecting pipeline, the ejector pump is connected with the oil distiller, a hot gas pipeline and an oil pipeline respectively, and the electrical control system controls the opening and closing of each valve. The device cooperates with an expansion valve to realize 1.05-1.3 times of super-multiple liquid supply, has the functions of gas-liquid separation, oil distillation and oil return and secondary supercooling, can greatly improve the refrigeration efficiency, completely eliminates the risk of liquid strike, realizes stable oil return, has a wide adaptation range and is suitable for various direct expansion refrigeration systems and ammonia-to-fluorine transformation scenes.
Owner:HENAN YIYI REFRIGERATION EQUIPMENT CO LTD

Circulating heat dissipation system for intelligent temperature control of fermentation tank

The utility model relates to the technical field of biological fermentation equipment, in particular to a fermentation tank intelligent temperature control circulating heat dissipation system which comprises a support, a control cabinet and a circulating heat dissipation assembly. The control cabinet is fixedly installed on one side of the support, and the circulating heat dissipation assembly is arranged at the bottom of the support. Through cooperation of the first temperature control electromagnetic valve, the second temperature control electromagnetic valve and the temperature control module, the flow direction and flow of heat conduction oil can be accurately controlled according to the actual temperature in the fermentation tank, the temperature in the fermentation tank is accurately controlled by combining temperature adjustment of the heat conduction oil through the heat exchanger and the heating plate, the strict requirement for the temperature in the fermentation process is met, and the fermentation efficiency is improved. The heating disc is formed by communicating a plurality of layers of annular hollow discs through staggered transfer pipes, so that heat-conducting oil can be uniformly distributed and circulated in the heating disc, materials in the fermentation tank are uniformly heated, the heating efficiency is improved, local overheating or supercooling is avoided, and the stable proceeding of the fermentation process is facilitated.
Owner:SHANGHAI BAOXING BIOLOGY EQUIP ENG CO LTD

Water spraying amount control system for primary high-temperature flue gas spray cooling tower of electric furnace

The utility model provides a water spraying amount control system for a primary high-temperature flue gas spray cooling tower of an electric furnace, relates to the technical field of flue gas purification of the electric furnace, and aims to solve the problem that most of existing projects use a conventional control method for adjusting the water spraying amount according to a single temperature value of an outlet of the spray cooling tower. The problems of slow water spraying reaction (water spraying hysteresis), inaccurate temperature value caused by local supercooling or superheating due to non-uniform flue gas distribution, large temperature fluctuation of an outlet of a spray tower, serious scaling and hardening of smoke dust in the spray tower and a tower outlet pipeline, and increase of use and maintenance cost generally exist in the prior art, including a combustion settling chamber, a combustion chamber, a combustion chamber and a combustion chamber. A flue gas inlet dust removal pipeline is installed at the top of the left side of the combustion settling chamber, a steel structure stand column is installed at the top of the right side of the combustion settling chamber, and a cooling tower is installed on the steel structure stand column through a supporting base.
Owner:JIANGSU YANYUE ENERGY-SAVING & ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

A method for preparing a tensile specimen of a CoFeNi medium-entropy alloy under a deep undercooling condition

This invention provides a method for preparing tensile specimens of CoFeNi medium-entropy alloy under deep supercooling conditions. The deep supercooling process of this method is carried out using a high-frequency induction heating device and a combination of melt immersion and cyclic superheating. During the melting process, the alloy raw materials are placed sequentially in a quartz crucible from bottom to top according to their melting points, with glass cleaning agents added to the bottom and top layers. During melting, the vertical movement of the quartz crucible along the central axis of the high-frequency induction coil and the heating temperature of the high-frequency induction coil are controlled to sequentially melt and coat the alloy surface with the glass cleaning agent, melt the Ni metal raw material, and melt the remaining metal raw materials. After the alloy liquid is thoroughly mixed, it is cooled and solidified. This heating and cooling solidification process is repeated until a supercooling of 205K is achieved, producing a CoFeNi medium-entropy alloy ingot that meets the dimensions required for tensile testing. This invention features an easily controllable solidification process, mature technology, and minimal component loss.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Air conditioner, controller, control method and computer readable storage medium thereof

The application discloses an air conditioner and a controller, a control method and a computer readable storage medium thereof, and the method comprises the following steps: when the air conditioner is in a refrigeration mode, the refrigerant circulation amount of the air conditioner is acquired; the first target supercooling degree of a second heat exchanger is acquired according to the refrigerant circulation amount; the current target supercooling degree and the superheating degree of the second heat exchanger are acquired; if the first target supercooling degree is less than or equal to the current target supercooling degree, and the superheating degree is less than or equal to the superheating degree threshold, the current target supercooling degree is updated to the first target supercooling degree. Therefore, the target supercooling degree is updated by the refrigerant circulation amount to inhibit the refrigerant flow into the indoor unit from being too low due to excessive supercooling degree, so that the poor refrigeration effect and the refrigeration efficiency decline of the air conditioner are avoided.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Aluminum profile extrusion processing system

The utility model relates to the technical field of metal processing, in particular to an aluminum profile extrusion processing system which comprises an extruder, a cooling frame, a cooling device and a fixing device, the cooling frame is installed at one end of the extruder, and the cooling device is installed at the top end of the cooling frame. An arc-shaped bracket is installed at the end, close to the extruder, in the cooling frame through a supporting column, an air cylinder is installed on the outer wall, away from the extruder, in the cooling frame, the output end of the air cylinder penetrates through the side wall of the cooling frame to be provided with a rotating motor, and a fixing device is driven by the rotating motor to rotate. The cooling water spraying head can uniformly spray the surface of the profile from multiple angles, so that the cooling water can completely cover each part of the profile, the local supercooling or superheating phenomenon is avoided, the uniformity of the cooling effect is improved, and compared with traditional air cooling and water cooling, the required cooling effect can be achieved more quickly, and the service life of the profile is prolonged. Therefore, energy consumption is saved.
Owner:ANHUI HONGYU ALUMINUM CO LTD

Heat-resistant metal roll collar for CSP heating furnace roller

The utility model provides a heatproof metal roll collar for a CSP heating furnace roller, which comprises a shaft piece and a roll collar piece, the outer side surface of the shaft piece is provided with a roller piece used for a heating furnace through the roll collar piece, the shaft piece comprises a gear piece used for driving the shaft body to rotate, and the roll collar piece comprises a roll collar body which is fixed in a sealed mode. The furnace roller comprises a shaft body, a roller part is arranged on the shaft body, a reinforcing plate is arranged on the outer side surface of the shaft body and used for reinforcing and fixing the roller part, the roller part comprises a plurality of arc-shaped parts used for forming the furnace roller, and the arc-shaped parts are the same in structure. The roller ring body and the roller part are clamped and matched through the fixing ring, so that a heat transfer path and heat distribution can be optimized to a certain extent, heat can be more uniformly transferred between the roller ring body and the roller part, the condition of local overheating or supercooling is avoided, and the thermal stability of a whole system is better.
Owner:QINGDAO YUANDING GROUP

Plate heat exchanger and thermal management system

A plate heat exchanger and a thermal management system capable of improving the integration of a plurality of components and preferably capable of improving the refrigerating capacity of the thermal management system without increasing the amount of refrigerant to be charged and thus without increasing the size of the thermal management system. The plate heat exchanger includes a heat transfer plate group formed by a plurality of heat transfer plates stacked in a length direction, and a first end plate and a second end plate sandwiching the heat transfer plate group in the length direction, the first end plate being provided with a first flow inlet and a first flow outlet, wherein the heat transfer plate group includes a condensing section in which a first fluid is condensed from a gaseous state to a liquid state, and a supercooling section in which the liquid state first fluid is supercooled, and the plate heat exchanger further includes a liquid storage portion integrally provided on a side of the second end plate and storing the liquid state first fluid condensed by the condensing section of the heat transfer plate group, the gaseous state first fluid flowing in from the first flow inlet is condensed to the liquid state first fluid by the condensing section and then supercooled in the supercooling section via the liquid storage portion, and subsequently flows out from the first flow outlet.
Owner:SANDEN CO LTD

Cold plate type two-phase liquid cooling system and phase change CDU and phase change cabinet thereof

The invention discloses a cold plate type two-phase liquid cooling system and a phase change CDU and a phase change cabinet thereof. The phase change CDU comprises a primary side loop, a secondary side loop, a heat exchanger, a fluorine pump, a dryness regulator, a subcooler, a subcooling degree regulator, a subcooling degree detection assembly and a first controller. And the first controller adjusts the fluorine pump and the dryness adjuster according to the return air dryness, and adjusts the supercooling degree adjuster according to the outlet supercooling degree, so that the return air is ensured to be in a gas-liquid two-phase state, and the outlet is in a liquid state. The phase change cabinet comprises an inlet pipeline, an outlet pipeline, a plurality of server cold plates connected in parallel and a flow control assembly arranged at the downstream of the liquid collector, and the flow control assembly comprises a pressure sensor, a temperature sensor, a throttle valve and a second controller and is used for controlling the dryness of an outlet refrigerant; one phase change CDU is connected with a plurality of phase change cabinets in parallel. The problems of insufficient liquid supply supercooling degree, uneven cabinet shunting, local overheating and system oscillation caused by traditional pressure difference control are solved, and the stability, uniformity and expandability of the system are improved.
Owner:FIBERHOME TELECOMMUNICATION TECHNOLOGIES CO LTD

Cooling and atomizing device for annealing high-carbon chromium bearing steel

The utility model discloses a high-carbon chromium bearing steel annealing cooling atomization device which comprises a supporting frame, a cooling bin is arranged on the supporting frame, vertically-arranged side supporting plates are arranged in the cooling bin, at least five groups of flow guide seats are arranged between the side supporting plates, a spray head placing frame seat is arranged at the upper end of the cooling bin, and a spray head is arranged at the lower end of the spray head placing frame seat. And an atomizing spray seat is arranged between the spray head placing frame seats, the spray head placing frame seats and the atomizing spray seat are connected in a rotating mode through a rotating main shaft, and one end of the rotating main shaft is connected with a swing arm in a sleeving mode. The spraying angle of the atomization spraying base is controlled by rotating the main shaft, the swing arm, the rack and other assemblies. The spraying direction is flexibly adjusted, the adaptability is greatly improved, cooling liquid in the atomizer is evenly distributed on the surface of the steel, the phenomenon of local supercooling or superheating possibly occurring in a traditional cooling mode is effectively avoided, and the consistency and stability of the internal structure of the steel are ensured.
Owner:LUOYANG YIXING SPECIAL STEEL PROD CO LTD

Efficient energy-saving device of dipping machine

The utility model provides a high-efficiency energy-saving device of a dipping machine. The high-efficiency energy-saving device comprises a box body, a first heat exchanger, a second heat exchanger, a third heat exchanger, a fan, a control air door and a work control device, the first heat exchanger, the second heat exchanger and the third heat exchanger in the box body are sequentially arranged in an overlapped mode. The fan is arranged in the air bellow, and an air outlet of the fan is communicated with an air inlet of the second heat exchanger; an exhaust port of the first heat exchanger is formed in the upper part of the bellows. The control air door is controlled by the air cylinder to open and close. According to the working process of the working control device, when the first heat exchanger, the second heat exchanger and the third heat exchanger are connected in series and work in a three-superposition mode, the air door is controlled to be in a closed working state. When the temperature control device of the work control device detects that the temperature of waste gas in the first heat exchanger is too low, the air cylinder rapidly opens the control air door, and condensation, crystallization and scaling caused by the fact that the exhausted waste gas in the heat exchanger is too cold are prevented.
Owner:NANTONG GUANGRI ENERGY CO LTD

Forming mold for glass bottle blowing process

PendingCN121651642ABlow headsBlowing mouldsBottleInternal stress
A forming die for a glass bottle blowing process comprises a die set, and the die set comprises a first die body and a plurality of die bodies arranged according to the curved surface portion of the surface of a glass bottle body. The first mold body is configured to be driven to extrude an opening part of the glass blank, each mold body at least corresponds to a curved surface part on the glass bottle body, each mold body corresponds to a specific curved surface area of the glass bottle body, and a temperature sensor and an independent cooling channel are arranged in each mold body; the temperature of different areas of the mold is monitored in real time and accurately and independently regulated and controlled, so that the problem of uneven heat dissipation caused by overall cooling of a traditional mold is solved, local overheating or supercooling caused by the thickness difference and shape curvature change of a bottle body can be compensated, the cooling uniformity of a glass bottle is improved, and the service life of the glass bottle is prolonged. Bottle body deformation, non-uniform thickness and internal stress concentration caused by temperature gradient are reduced, and finally a glass bottle product which is accurate in size, uniform in wall thickness and high in appearance quality is obtained.
Owner:JIANGSU SUNWIN GLASS TECH CO LTD

Drying equipment for high-purity potassium feldspar production

ActiveCN224065801UStable and balanced supplyEnsure the dryness is up to standardDrying solid materialsDrying machines with non-progressive movementsPhysical chemistryCrystal structure
The utility model relates to the technical field of drying equipment, and discloses drying equipment for high-purity potassium feldspar production, which comprises a drying box, an air outlet pipe is fixedly sleeved in the top end of the drying box, a heating wire is arranged in the drying box, and fixing rings are fixedly mounted on the front side and the rear side in the drying box; and the driving mechanism is arranged in the outer surface of the drying box. According to the drying equipment for high-purity potassium feldspar production, due to the design of the turning mechanism, potassium feldspar can be in an uninterrupted motion state, so that it is guaranteed that all potassium feldspar particles in the box body can obtain stable and balanced heat supply, the drying quality difference caused by local overheating or supercooling is effectively avoided, the crystal structure integrity of the potassium feldspar particles is protected, and the quality of the potassium feldspar particles is improved. And the drying degree of the materials is ensured to reach the standard, the interference of water residues on subsequent processing technologies such as grinding and sorting is eliminated, and the stability and consistency of the product quality are remarkably improved.
Owner:YINGDE AUSHENG NEW MATERIAL CO LTD