354results about "Machines using refrigerant evaporation" patented technology

Hybrid evaporative and radiative cooling panel systems having increased cooling efficiency while minimizing water consumption are provided. The disclosed hybrid systems include a cooling panel that enables the improved cooling and water consumption via a reflector layer which reflects solar radiation, an evaporative and infrared-emitting layer that is solar-transparent and water-rich, and an insulation layer that is vapor-permeable. infrared-transparent. and solar-reflecting. The cooling panel is configured to be in fluid communication with a heat exchanger. The cooling panel is further configured to cool a heat transfer fluid by way of both evaporative cooling and radiative cooling. The cooling panel is also configured such that the heat transfer fluid passes at least one of through or across the cooling panel and flows to the heat exchanger. Various configurations of such panels and panel systems. and methods of implementing the principles associated with the same. are also disclosed.

A cryogenic cooling system is provided comprising a cryogenic refrigerator assembly and two or more connected modules. The cryogenic refrigerator assembly comprises one or more cryogenic refrigerators. Each said connected module comprises: a housing defining an internal volume for the module, the housing having a plurality of side faces, and a plurality of stages arranged within the internal volume for the module, wherein one or more of the plurality of stages is thermally coupled to the cryogenic refrigerator assembly. The two or more said modules are mutually connected at respective side faces, and a first said stage of a first said module is thermally coupled to a first said stage of a second said module.

The invention relates to the technical field of cast-in-place pile construction, in particular to a cast-in-place pile drilling device for a pump station and a construction technology, and the cast-in-place pile drilling device comprises a drilling mechanism, a slurry recycling mechanism, a supporting mechanism and a tamping mechanism. According to the device, when the sliding plate descends, the first one-way rotating plate is driven to descend together, clay between the sliding plate and the soil discharging shell can be scraped and pushed to the position below the drilling barrel through the first one-way rotating plate, when the clay is discharged into the bottom of a hole, external air can be discharged into the space between a drill bit and the bottom of the hole together, and therefore the negative pressure strength can be reduced; a sliding plate continues to press downwards, clay can be compacted layer by layer through a compacting plate, when the sliding plate ascends, blocking is conducted through a second one-way rotating plate, and therefore the situation that the soil is backfilled into a soil discharging shell can be prevented, clay backfilling and tamping can be conducted on the collapsed hole wall at the first time, the collapse area is prevented from being increased, and the construction efficiency is improved. Emergency treatment can be carried out when hole wall collapse and hole wall hole shrinkage occur through the tamping mechanism, and it is guaranteed that follow-up drilling construction is recovered as soon as possible.

The utility model discloses a spray cooling device for configuring a spray liquid film distribution characteristic reinforced surface. The spray cooling device comprises four parts, namely a spray cooling loop, a data acquisition and processing system, a spray system and a micro-structure surface chip simulation system, a cooling working medium is atomized and then sprayed to the surface of the chip, heat exchange is carried out through the phase change process, and the cooling effect on the micro-structure surface chip is achieved. A heat exchange surface with a smooth center and dispersed columnar structures distributed on the periphery is machined on the surface of the chip, surface distribution of a liquid film is promoted, an annular liquid film sprayed by a hollow conical nozzle is matched, heat resistance is reduced, a gasification core is increased, and the heat exchange efficiency is improved.

An adiabatic system and method for reducing water and energy use is provided. The system comprises an adiabatic heat rejection system including a temperature sensor configured to measure the ambient wet-bulb temperature of the adiabatic system based on a measured temperature of water exiting a wetted media pad. A method for adjusting the operational parameters of the system to minimize water and energy use is provided. The method comprises the steps of determining an approximate ambient wet-bulb temperature of the adiabatic heat rejection system based on a measured temperature of water leaving the adiabatic pad, determining if a measured temperature of a process fluid stream is above a process fluid temperature setpoint, determining if the adiabatic heat rejection system is in a water conservation mode of operation or an energy savings mode of operation, and adjusting one or more operational parameters based on the mode of operation.

The invention relates to the technical field of atomization spraying, and discloses an automatic atomization spraying device and an atomization cooling method.Through arrangement of a cleaning assembly, in the process that an adjusting rod drives a needle valve rod to move, a scraping piece on the needle valve rod can stretch out and draw back by the corresponding length on the needle valve rod along with the change of the distance between a liquid outlet and the outer side of the conical end of the needle valve rod; the needle valve rod is driven by the transmission rod to rotate along with the movement of the adjusting rod, so that the scraping blade abuts against the inner wall of the liquid outlet all the time when the scraping blade is in the liquid outlet, and meanwhile, the needle valve rod is driven by the transmission rod to rotate along with the movement of the adjusting rod, so that the scraping blade abutting against the inner wall of the liquid outlet is driven to rotate, and scale attached to the inner wall of the liquid outlet is removed and scraped; and the needle valve rod rotates in opposite directions when being pulled and inserted in the liquid outlet, so that the scraping blade can scrape water scales from different directions, the scraping capacity of the scraping blade is further improved, the liquid outlet of the nozzle can be kept smooth, and the atomization effect of the device is improved.

The invention discloses a jet flow evaporation cooling system. The jet flow vaporization cooling system for cooling a heat generating unit using a liquid jet flow includes: a heat transfer portion integrally formed with a cooling portion configured to receive the liquid jet flow and an arrangement portion on which the heat generating unit is arranged; an opening portion configured to eject the liquid supplied from the supply portion to the cooling portion; a discharge portion configured to discharge the liquid; and a chamber configured to accommodate the opening portion, the discharge portion, and the cooling portion, and configured not to accommodate the arrangement portion therein, in which the chamber is maintained in a reduced pressure environment, in which the opening portion is configured to eject the liquid to the cooling portion, in which the discharge portion is configured to eject the liquid to the discharge portion, and in which the discharge portion is configured to discharge the liquid to the discharge portion. At least a portion of the cooling portion is inclined, and wherein the liquid is discharged from the discharge portion via the cooling portion.

According to the wet curtain heat exchanger and air conditioner combined cooling tower, through switching of a three-stage heat exchange framework and an intelligent mode, full-working-condition efficient refrigeration is achieved, a cooling tower module is independently operated when the environment temperature is higher than 0 DEG C and lower than 12 DEG C and the relative humidity is lower than 80%, and energy is saved by 90% or above compared with a traditional air conditioner; when the environment temperature is higher than 12 DEG C, the wet curtain heat exchanger and the air conditioner combined cooling tower are linked, the COP reaches 5-18, and energy is saved by 20%-70% compared with national standard first-level energy efficiency equipment; a wet curtain heat exchanger performs primary cooling, an air conditioner evaporator surface air cooler performs secondary cryogenic cooling, and it is ensured that a cooling tower stably prepares cold water with the temperature smaller than or equal to 12 DEG C; the operation controller automatically switches modes based on temperature and humidity threshold values, and heat exchange energy consumption is reduced by fully utilizing natural cold sources in different seasons in the nature and even in different time periods in one day; the wet curtain heat exchanger, the air conditioner evaporator surface air cooler and the cooling tower share the draught fan, the airflow path is simplified, and equipment redundancy is reduced.

A particle beam system comprises: an object mount for mounting an object to be examined; a particle beam source; a lens for focusing the particle beam; a detector; and a cooling system for cooling the object mount. The cooling system comprises: a coolant passage through the object mount; a supply port; an outlet; a heat exchanger having two passages; a first connecting line connected to the inlet of the coolant passage and the first passage through the heat exchanger; a second connecting line connected to the outlet of the coolant passage and the second passage through the heat exchanger; a third connecting line connected to the first passage through the heat exchanger and the supply port; a fourth connecting line connected to the second passage through the heat exchanger and the outlet; and a cooling mechanism for cooling a portion of the first connecting line.

A thermal protection structure of a high-temperature and supersonic aircraft belongs to the technical field of thermal protection of aircrafts under high heat flux and comprises a water absorption layer, a front edge area and two side areas, and the front edge area comprises a first evaporative cooling porous medium layer, a cross-scale porous medium layer and a high-temperature-resistant wall surface which are sequentially laid on the outer side of the front edge of the water absorption layer; the two side areas comprise a second evaporative cooling porous medium layer and a third evaporative cooling porous medium layer which are laid on the outer sides of the two sides of the water absorption layer respectively, and a coolant conveying pipeline communicated with the front edge and the two side areas is arranged on the inner side of the water absorption layer; fluid is sucked to the high-temperature-resistant wall face through the capillary acting force of micron-scale and nano-scale pores of the first evaporative cooling porous medium layer and the cross-scale porous medium layer, the millimeter-scale pores of the cross-scale porous medium layer provide steam escape channels, and the high-temperature-resistant wall face blocks direct disturbance of high-temperature main flow to the fluid in the porous medium. Steam outlets on two sides of a front edge stagnation point discharge steam; the device has the advantages of no need of an additional liquid supply power device, high temperature resistance and high cooling efficiency.

A multi-stage cooling system includes a pressure-resistant container and a parallel-mode cooling device that is at least partially arranged in the pressure-resistant container. The pressure-resistant container can store a dry gas therein that has a dew point temperature being less than −10° C. and that has a pressure being greater than 1 atm. The parallel-mode cooling device includes two heat exchangers immersed in the dry gas. The two heat exchangers respectively have a first cooling critical value and a second cooling critical value that is less than the first cooling critical value. The parallel-mode cooling device is configured to reduce a temperature of the dry gas to the first cooling critical value through one of the two heat exchangers having a lower operation power, and then further to reduce the temperature of the dry gas through another one of the two heat exchangers having a higher operation power.

A thermal storage absorption refrigeration unit, including: a thermal storage device and an absorption refrigerating machine; an output end of the thermal storage device is connected to an input end of the absorption refrigerating machine. The excessive wind and solar power, along with electricity from the grid during off-peak hours, are stored in thermal storage device in the form of heat. These thermal storage device are configured to serve as the heat source for the absorption refrigerating machine. The thermal storage device can achieve an energy storage efficiency of 96%, offering advantages over battery storage, compressed air energy storage, and pumped hydro storage in terms of safety, efficiency, energy savings, and low upfront investment.

A cryogenic cooling system is provided that includes a cryocooler assembly and two or more connected modules. The cryocooler assembly includes one or more cryocoolers. Each of the connected modules comprises: a housing defining an interior volume of the module, the housing having a plurality of sides; and a plurality of stages disposed within the interior volume of the module, wherein one or more stages of the plurality of stages are thermally coupled to the cryogenic refrigerator assembly. Two or more of the modules are connected to each other on respective sides, and the first stage of a first of the modules is thermally coupled to the first stage of a second of the modules.

The TBM cutterhead anti-blocking water spraying device comprises a water spraying head which is in a hollow hemisphere shape, a sliding groove is formed in the inner wall of the water spraying head in the circumferential direction of the water spraying head, and a water spraying through groove is formed in the middle of the sliding groove; a water guide pipe penetrating through the water stop plate is arranged in the middle of the water stop plate, an elastic telescopic part is arranged in the water guide pipe, and the top of the elastic telescopic part is connected to the impact plate; the lower end of the left blocking plate is connected to the left end of the sliding groove through a first spring; the lower end of the right blocking plate is connected to the right end of the sliding groove through a second spring; the left blocking plate and the right blocking plate are both slidably sleeved with the sliding groove. The connector is connected to the bottom of the water spraying head and is used for mounting the water spraying head on a mounting position on a TBM cutter head; the blocking plate can slide in the sliding groove and is matched with the bristles on the blocking plate to brush the water spraying through groove, and therefore the problem that the water spraying through groove is blocked is effectively avoided.

A device (101) for transferring liquid helium (14) into an application cryostat (102), comprising: a storage dewar (1); a transfer line (9) comprising a first transfer line end (9a) in the storage dewar (1) and a second transfer line end (9b) for insertion into an application cryostat (102); a device (31) for generating a pressure difference between the storage dewar (1) and the application cryostat (102); is characterized by: a condensation heat exchanger (17) for condensing helium gas (12) to liquid helium (11), for insertion into the application cryostat (102); a cryocooler (29) for cooling the condensation heat exchanger (17); and a control device (8) with a measuring input (18a) for a pressure sensor (18) for measuring the gas pressure in the application cryostat (102) and a control output. (31a) for the device (31) for generating a pressure difference, wherein the control device (8) is programmed toThe device (31) is controlled to generate a pressure difference such that the volume of liquid helium (14) transferred per unit time through the transfer line (9) is approximately equal to the volume change of the helium that condenses from helium gas (12) to liquid helium (11) per unit time at the condensation heat exchanger (17). The device minimizes helium losses during the transfer of liquid helium in a simple manner.

Disclosed are methodology and apparatus useful to employ liquid nitrogen cryogen to boost on demand the refrigeration capacity of a freezer or similar device in which refrigeration is provided by a mechanical refrigeration circuit.

A particle beam system is disclosed, comprising a fixture for holding an object under investigation, a particle beam source, a lens for focusing the particle beam, a detector, and a cooling system for cooling the fixture. The cooling system includes a coolant passage in the fixture, a supply port, an outlet, a two-position changeover valve, a first connecting line linked to the coolant passage and the changeover valve, a second connecting line linked to the coolant passage and the changeover valve, and a cooler for cooling a portion of the first connecting line. In its first position, the changeover valve connects the supply port to the first connecting line and the outlet to the second connecting line; in its second position, it connects the supply port to the second connecting line and the outlet to the first connecting line.

The utility model belongs to the technical field of medical equipment, and discloses a medical film continuous film clamping device which comprises a water tank, a shell is fixed at the top end of the water tank, a lower film clamping roller is rotatably connected to the inner wall of the shell, a transmission mechanism is arranged at the input end of the lower film clamping roller, and the transmission mechanism comprises a conveying cavity, a main gear and a connecting rod. The conveying cavity is formed in the inner wall of the shell, an atomizing nozzle is arranged at the bottom end of the spraying pipe, and through cooperation of the conveying cavity, the main gear, the connecting rod and other assemblies, the main gear and the secondary gear can be driven to rotate when the motor is started, so that water in the water tank can be conveyed into the conveying cavity through the connecting rod; and a water source can be atomized and sprayed to the surface of the medical film through a conveying pipe, a spraying pipe and an atomizing nozzle at the top end of the conveying cavity, so that the purposes of cooling the medical film and reducing friction force are achieved, damage to a film body when the medical film is clamped and conveyed can be prevented, and the conveying efficiency of the medical film is guaranteed.

A cryosurgical device, such as a cryosurgical probe (cryoprobe), is disclosed. Some exemplary embodiments may include: an elongated shaft at least partially housing or defining a fluid supply conduit and a fluid exhaust conduit, the elongated shaft including a distal ablation section terminating at a closed distal end; a housing at least partially surrounding at least a portion of the proximal end of the elongated shaft and receiving or defining at least a portion of the fluid supply conduit and a portion of the fluid exhaust conduit; and / or a flow restriction element in fluid communication with the fluid exhaust conduit, the flow restriction element regulating fluid flow through at least a portion of the fluid exhaust conduit.

A closed-loop climate system including a water tank; cooling pads positioned above the water tank, a thermoelectric unit (TEU) connectable to a power supply, and configured to cool / heat water received from the water tank, a sprinkler tube positioned above the cooling pads and configured to sprinkle the water heated by the TEU onto the cooling pads.

This invention relates to the field of robotics, specifically to a firefighting robot. The robot includes a main body with moving mechanisms mounted on both sides, a drive mechanism installed inside one end of the main body, and a cooling mechanism installed on the inner bottom side of the other end. The coordination of the moving and shock-absorbing mechanisms facilitates the robot's movement across different terrains. The drive mechanism provides stable and powerful propulsion for the moving mechanisms, enabling them to carry firefighting equipment and conduct firefighting operations. The identification mechanism facilitates the collection of environmental data, thereby controlling the moving and firefighting mechanisms to perform on-site firefighting operations. The cooling mechanism, when the firefighting equipment is in operation, cools the inside of the robot, ensuring the normal operation of the identification mechanism and simultaneously spraying water to cool the ground.

This invention relates to the technical field of controlling spraying to cool buildings using model learning methods. It solves the problem of high energy and water consumption in existing technologies for temperature control of translucent buildings. It provides a multi-objective optimization control method and system for spraying shading and evaporative cooling of translucent roofs. First, the predicted average vote and glare probability of the translucent building are calculated to obtain the first real-time energy consumption of the air conditioning system and the real-time water consumption and second real-time energy consumption of the spraying system. Then, a multi-objective optimization model is established based on the predicted average vote, glare probability, first real-time energy consumption, real-time water consumption, and second real-time energy consumption. The predicted average vote and glare probability are used as the first optimization objective, and the minimum value of the first real-time energy consumption, real-time water consumption, and second real-time energy consumption is used as the second optimization objective. The multi-objective optimization model is solved in a rolling manner to calculate the predicted values ​​of spray pressure and spray flow rate, which ensures indoor light and heat comfort while reducing water and energy consumption.

The invention provides an industrial waste heat driven jet refrigeration and wastewater treatment coupling system which comprises a waste heat gradient recovery subsystem, a jet refrigeration subsystem and a multi-effect distillation wastewater treatment subsystem, a high-heat recovery loop and a medium-heat recovery loop in the waste heat gradient recovery subsystem utilize industrial waste heat obtained through respective recovery, and corresponding steam ejectors of the ejection refrigeration subsystem and the multi-effect distillation wastewater treatment subsystem are respectively driven to operate, so that heat media of the subsystems are driven to circulate. The waste heat gradient recovery subsystem performs graded recovery on waste heat generated in the industrial production process, and heat of waste water needing to be treated by the multi-effect distillation waste water treatment subsystem is recovered in the coupling system so as to be preheated. Through the configuration, the coupling system not only recovers industrial waste heat and provides refrigeration for a specific local environment, but also performs desalination treatment on waste water, so that a perfect ceramic production process and a green internal circulation for waste heat and waste water treatment are constructed.

To deactivate a cavity on a tank inner surface.SOLUTION: Pressure in a tank is changed from initial pressure (atmospheric pressure) to first pressure (negative pressure) so as to fill a liquid refrigerant from an external container into the tank (S18). After a fixed amount of the liquid refrigerant is filled into the tank (S20), the pressure in the tank is changed from the first pressure to second pressure (atmospheric pressure)(S22). Then, after elapse of a calming-down period, spontaneous bumping occurs in the liquid refrigerant in the tank (S26). The spontaneous bumping causes temporal rapid rise of the pressure in the tank, so as to liquefy air bubbles in the liquid refrigerant in the tank. This deactivates a cavity.SELECTED DRAWING: Figure 4

A spiral conveyor cryogenic freezer for thermal conditioning of cold chain phase change material panels and associated method of expedited ready-for-use thermal conditioning of thermally-spent cold chain phase change material panels. A two-stage inline system for thermal conditioning of cold chain phase change material panels that includes the spiral conveyor cryogenic freezer and a spiral conveyor thermal tempering unit and associated method of expedited ready-for-use thermal conditioning of thermally-spent cold chain phase change material panels. A redundant two-stage inline system for thermal conditioning of cold chain phase change material panels that includes a pair of units each capable of independently cryogenically freezing and thermal tempering of cold chain phase change material panels and associated method of expedited ready-for-use thermal conditioning of thermally-spent cold chain phase change material panels.

To deactivate a cavity on a tank inner surface.SOLUTION: Pressure in a tank is changed from initial pressure (atmospheric pressure) to first pressure (negative pressure) so as to fill a liquid refrigerant from an external container into the tank (S18). After a fixed amount of the liquid refrigerant is filled into the tank (S20), the pressure in the tank is changed from the first pressure to second pressure (atmospheric pressure)(S22). Then, after elapse of a calming-down period, spontaneous bumping occurs in the liquid refrigerant in the tank (S26). The spontaneous bumping causes temporal rapid rise of the pressure in the tank, so as to liquefy air bubbles in the liquid refrigerant in the tank. This deactivates a cavity.SELECTED DRAWING: Figure 4

An air conditioning system includes evaporative cooling units, each evaporative cooling unit including a first V-shaped portion of a winding of microporous hollow fibers that are configured to receive a liquid, and a second V-shaped portion of the winding of microporous hollow fibers that are configured to receive the liquid, where the second V-shaped portion is coupled to the first V-shaped portion, and an internal cavity is disposed between the first V-shaped portion and the second V-shaped portion. The air conditioning system also includes a plumbing assembly configured to supply the liquid to the plurality of evaporative cooling units. The air conditioning system also includes a controller configured to control the plumbing assembly to change a flow rate of the liquid, or to block the liquid from at least one evaporative cooling unit of the plurality of evaporative cooling units.

The invention relates to the technical field of sampling, and particularly discloses an asphalt laid road sampling investigation device and a using method thereof.The asphalt laid road sampling investigation device comprises a frame and a core drill bit, two parallel connecting beams are fixedly connected between the frame, L-shaped check blocks are rotationally connected to the opposite faces of one sides of the two connecting beams, and stand columns are fixedly installed in the middles of the connecting beams; rotating arms are rotationally connected to the opposite faces of the tops of the two stand columns, the tail ends of the two rotating arms are rotationally connected with an island platform, the middle of the island platform is slidably connected with a sliding cylinder with an opening in the top end through a guiding block, a cross is fixedly connected to the opening in the top end of the sliding cylinder, and the bottom end of the sliding cylinder penetrates out of the bottom end of the island platform and is fixedly connected with a connecting cylinder. The bottom of the connecting cylinder is rotationally connected with a core drill. The ball head sprays cooling water when the rock core drill drills and samples, and in the blanking process, the ball head pushes an asphalt block sample to descend to be separated from the rock core drill, so that the sampling convenience and the sampling efficiency are positively improved.

The invention discloses a radiation refrigeration material based on evaporative cooling synergistic enhancement and a preparation method and application thereof.The material comprises a radiation refrigeration layer, a moisture power generation layer and a base material supporting layer, and integration of three passive cooling and energy collection functions of passive refrigeration, evaporative cooling and moisture power generation is achieved on fabric; the limitation that all functions exist independently and are difficult to cooperate in the prior art is broken through, the three functions are organically combined and synergistically interacted on the same fabric platform, a complete energy closed-loop system of passive cooling, energy collection and active adjustment / sensing is achieved, energy circulation of the environment and the human body is completely relied on, and the energy utilization rate is improved. And a brand-new functional solution is provided for the wearable device.

An air conditioning system includes one or more evaporative cooling units. For example, an evaporative cooling unit of the air conditioning system includes a first V-shaped portion of a winding of microporous hollow fibers that are configured to receive a liquid, and a second V-shaped portion of the winding of microporous hollow fibers that are configured to receive the liquid, where the second V-shaped portion is coupled to the first V-shaped portion, and an internal cavity is disposed between the first V-shaped portion and the second V-shaped portion.