5881 results about "Cold air" patented technology

The invention relates to the technical field of intelligent early warning, and discloses a risk early warning method and system for low-temperature rain, snow and freezing meteorological disasters, and the method comprises the steps: collecting multi-source data, and constructing a heterogeneous graph; preprocessing the data to obtain a training and reasoning sample; a graph neural network is constructed on the heterogeneous graph, joint learning is carried out on node time sequence features and edge relations, and graph representation representing cold air invasion, rain and snow zone movement and risk propagation delay is obtained; outputting road surface temperature evolution, icing threshold arrival time and wire icing growth rate based on the physical guidance neural network; fusing the features obtained by the graph neural network and the features obtained by the physical guidance neural network, outputting an asset-level risk score and a confidence interval thereof, and obtaining a predicted arrival time; and establishing early warning according to the prediction result and the observation result. According to the invention, finer and more reliable grading risk early warning is provided, and the accuracy, interpretability and practicability of early warning are improved.

The invention discloses a rapid freezing device for abalone production and processing, and relates to the technical field of freezing, the rapid freezing device comprises an outer frame, a conveying assembly, a cooling assembly and a pre-cooling assembly, and rapid freezing of abalones is completed through cooperation of the conveying assembly, the cooling assembly and the pre-cooling assembly. Liquid nitrogen is sprayed to abalones conveyed on the conveying assembly through the annular cooling pipe and the nozzles so that the abalones can be quickly frozen through the liquid nitrogen, and the liquid nitrogen is stirred and disturbed through the cold air circulation mechanism so that it can be ensured that the liquid nitrogen makes full contact with the abalones in multiple directions and freezes the abalones; the tail end of the annular cooling pipe is communicated with the pre-cooling pipe through the arranged connecting pipe, so that residual liquid nitrogen in the annular cooling pipe is conveyed to the pre-cooling area, the pre-cooling pipe sprays the residual liquid nitrogen conveyed into the pre-cooling pipe from the air spraying groove to the abalones just entering the outer frame, and therefore the residual liquid nitrogen is used for pre-freezing the abalones; the freezing speed of the abalones is accelerated.

The invention discloses a dynamic energy-saving control method and system for a cold storage based on deep learning and multi-source data fusion, and relates to the technical field of cold storage energy-saving control, and the method comprises the steps: constructing a thermal field sensing network through a fixed sparse sensor array and a mobile thermal field scanning robot, and collecting temperature, humidity and thermal imaging data; reconstructing a three-dimensional thermal pixel field through registration, interpolation and other processing, and performing space-time alignment on the three-dimensional thermal pixel field, equipment parameters and inventory thermal physical properties; constructing digital twinborn deduction thermal field evolution based on a physical information neural network, and recognizing a high-temperature hot spot and a low-temperature safe area in combination with a space-time diagram attention network; the method comprises the following steps: by taking power consumption cost minimization and over-temperature risk controllability as targets, solving an optimal control strategy containing tuyere parameters and compressor frequency by using a multi-agent depth deterministic strategy gradient algorithm, driving equipment to execute targeted cold supply, and enabling a system to comprise a thermal field sensing layer, a data fusion layer, a digital twinning and prediction layer, a decision optimization layer and an execution layer. And accurate temperature control and energy conservation are realized.

The invention discloses a melt spinning cooling system which comprises a spinning box, a cooling cylinder section, a first heating assembly, a second heating unit and a recovery part, the first heating assembly outputs trace hot nitrogen, anti-oxidation protection of melt trickles is achieved, the oxidation risk possibly caused by direct contact of a traditional cooling medium is avoided, and the cooling efficiency is improved. Meanwhile, the second heating unit is matched to regulate and control the temperature of the cooling cylinder section, so that the whole-process temperature accurate control from oxidation prevention to high-temperature natural cooling and the high-temperature natural cooling and cold air supply-free operation process are realized, and the solidification orientation length and process of the melt trickle can be actively lengthened by combining gradient process temperature control; different from the defect of insufficient orientation caused by too fast cooling in the prior art, key conditions are provided for optimization of a fiber orientation structure; due to the coaxially stacked cooling cylinder sections and nitrogen recovery operation, a stable cooling environment is constructed, fiber shaking is avoided, the nitrogen utilization rate and the environmental safety are improved, and the process stability and economical efficiency are balanced.

The invention discloses a high-horsepower fuel oil dune buggy gas supply assembly, and belongs to the technical field of internal combustion engine gas inlet systems, the high-horsepower fuel oil dune buggy gas supply assembly comprises an outer cover, a sealed space is limited in the outer cover, and the outer cover is provided with a gas inlet head and a gas exhaust head; the inner container is arranged in the sealed space of the outer cover, and the inner container comprises a first inner shell and a second inner shell; and the pumping piece is arranged in the first inner shell and used for pressurizing air and pumping the air to the second inner shell. Through optimization of the overall structure, high-pressure airflow is generated through the pumping piece, air is physically separated into cold air and hot air in the vortex chamber, and cold air far lower than the environment temperature can be actively provided for an engine without any refrigerant and a complex compressor; the problems that the fuel oil dune buggy is low in inflation efficiency and high in detonation risk in a high-temperature environment are solved, strong, stable and continuous power is output, and power attenuation of the high-horsepower fuel oil dune buggy caused by high-temperature protection of an engine is relieved.

The invention discloses a directional heat dissipation power distribution cabinet with adjustable air deflectors, which relates to the technical field of equipment for power distribution cabinets and comprises a cabinet body and a heat dissipation unit arranged in the cabinet body. The heat dissipation unit comprises a directional heat dissipation assembly used for carrying out fixed-point jet cooling on key heating elements, an air guide assembly used for optimizing overall airflow organization in the cabinet, and a water cooling assembly used for carrying out pre-cooling on cooling airflow of the directional heat dissipation assembly. The directional heat dissipation assembly comprises a fan at least arranged on the top wall in the cabinet body, an air supply pipe communicated with an outlet of the fan, and an annular air pipe arranged in the power distribution cabinet and communicated with the air supply pipe. Through cooperation of the directional heat dissipation assembly and the water cooling assembly, air blown out of the air blowing pipe at the tail end of the telescopic air column is no longer ambient temperature air but low-temperature cold air cooled in advance through the liquid cooling system. According to the pre-cooling type directional air supply mechanism, the heat dissipation efficiency and the limit capacity of air cooling are greatly improved.

The invention discloses a quick broiler fresh-locking refrigeration house which comprises a refrigeration house body, an in-house opening and closing door is installed on the inner wall of the refrigeration house body, an electric controller is installed on the same side of the in-house opening and closing door, an even number of driving motors are installed on the refrigeration house body, an out-house opening and closing door is installed on the outer wall of the refrigeration house body, and an even number of outdoor condensation units are installed on the top of the refrigeration house body. An in-storage bin is arranged in the refrigeration storage, inner supporting columns are fixed to the four corners of the in-storage bin, and an even number of cold supply assemblies are installed on the top of the in-storage bin. After cold air is input into the conveying air guide cylinder, the cold air is divided into two parts through the flow dividing inner cavity, enters the independent frame inner cavity and is guided to the connecting cover opening through the cavity wall air guide block; meanwhile, the plate side temperature sensor feeds back a temperature signal to the electric controller, the electric controller is triggered to adjust the first electric control motor and the second electric control motor, the air volume and the air outlet angle are changed, and air outlet of the duckbilled covers with the shutters at different heights is matched with the temperature of products placed on the movable goods shelf; and the condition of freshness locking failure caused by slow cooling and large temperature difference of broiler chickens on middle and lower shelves is avoided.

The utility model discloses a hairdressing device with a replaceable head, which comprises a handle main body, a first hairdressing component and a second hairdressing component, the second hairdressing component comprises a mounting plate and comb teeth, a fan is arranged in the handle main body, the hairdressing device further comprises a first replacement head and a second replacement head, the first hairdressing component is arranged on the first replacement head, and the second hairdressing component is arranged on the second replacement head. When the first replacement head is detached, the second replacement head can be assembled to the handle body, when the second replacement head is detached, the first replacement head can be assembled to the handle body so that the heating rod can be electrically connected, and through the first replacement head and the second replacement head, perm can be achieved, and the heating rod can also be assembled to the handle body. The hair can be straightened or shaped by cold air, the hair can be prevented from being clamped, the hair is more stable during perming, and the practicability is higher.

The invention discloses an intelligent layering and guiding device for highway tunnel fire smoke and a control method, and relates to the technical field of tunnel fire safety, a smoke flow Froude number is introduced as a direct control target, the parameter represents the ratio of smoke flow inertia force to buoyancy force, the numerical value directly determines the stability of a layering interface, and the layering interface can be directly controlled. The Froude number of each subarea of the tunnel is calculated in real time through a sensing network and is compared with a critical value calibrated through an experiment, when a real-time value is lower than the critical value, it is indicated that inertia force is relatively insufficient, the buoyancy effect is dominant, and instability and entrainment are likely to happen to an interface between a smoke layer and lower cold air, and then according to a control algorithm, the smoke layer and the lower cold air are controlled. The micro jet fan applies directional inertia force to a smoke layer by adjusting the angle and the speed, the intelligent induction smoke outlet optimizes local pressure difference and flow by adjusting the opening degree and assists in maintaining flowing, the smoke flowing state is actively locked in a stable layered flow interval, and mixing and sedimentation caused by flow state instability are prevented.

The invention provides a turbine blade with a cooling structure for a gas turbine, and relates to the technical field of gas turbine blade cooling, the turbine blade comprises an inner layer wall and an outer layer wall, the inner layer wall is a hollow pipe body extending out from the normal direction of a turbine rotating shaft, and the hollow part is used as a cold air flow channel and receives cooling air flow. The outer layer wall is arranged on the outer side of the inner layer wall in a sleeving mode at intervals, an annular runner is defined by the outer layer wall and the inner layer wall, a plurality of impact holes are formed in the inner layer wall, a plurality of air film holes are formed in the outer layer wall, and cooling air flow in the cold air flow channel enters the annular runner through the impact holes to impact and cool the outer layer wall and is attached to the outer layer wall after being jetted through the air film holes. And a protective layer is formed between the outer layer wall and high-temperature fuel gas to realize gas film cooling. The opposite surfaces of the inner layer wall and the outer layer wall are flow guide curved surfaces, the projection of the flow guide curved surfaces in the normal direction of the rotating shaft is a first curve, the projection of the flow guide curved surfaces in the tangential direction of the annular flow channel is a second curve, and the flow guide curved surfaces are modeled to restrain secondary contra-rotating vortexes generated when cooling airflow flows in the annular flow channel.

The invention discloses an air cooler distributed dynamic defrosting control method, and relates to the technical field of air cooler distributed defrosting, and the method comprises the following steps: obtaining the spatial position and wind direction and flow direction information of an air cooler in a refrigeration environment and the defrosting exhaust state of an adjacent air cooler, building a heat exchange state space-time perception map based on a space coordinate relation, and obtaining a heat exchange state space-time perception map; the determination module is used for determining whether the air cooler is interfered by defrosting airflow of adjacent air coolers; acquiring temperature, humidity, current and air volume data of the air coolers which are determined to be interfered by defrosting airflow of the adjacent air coolers, constructing a heat exchange characteristic curve of the target air cooler in the current time period, and performing residual error fitting calculation on the heat exchange characteristic curve and a standard heat exchange curve in a historical non-defrosting state; and determining the local heat exchange parameter distortion performance of the air cooler caused by the defrosting airflow interference of the adjacent air cooler. The problem that defrosting is triggered by mistake due to the fact that the air cooler is interfered by defrosting airflow is solved, and accurate recognition and dynamic control optimization of the defrosting requirement are achieved.

The invention discloses a textile drying device for textile processing, and relates to the technical field of textile drying. The device comprises a supporting frame, and a first frame body and a second frame body which are matched for use are fixedly mounted at the top end of the supporting frame; through cooperative use of the water removal mechanism and the treatment mechanism, a first extrusion roller and a second extrusion roller can be driven to synchronously rotate reversely, so that wastewater adsorbed in the to-be-dried textile can be extruded and discharged; in addition, external cold air can be continuously sucked into the second frame body after being filtered, the sucked air is heated and then guided to the to-be-dried textile subjected to extrusion and drainage, then the textile subjected to extrusion and drainage can be rapidly dried, and therefore the drying efficiency of the textile is effectively improved. And the continuously sucked external cold air can cool the dried textile, so that the phenomenon that the textile is damaged due to heat accumulation caused by overheating and winding of the dried textile can be avoided.

The refrigerator includes: a main body; a storage chamber formed inside the main body; a door provided so that the storage compartment can be opened and closed; an evaporator that evaporates the refrigerant to generate cold air; an evaporator duct disposed at a rear side of the storage compartment to supply the cold air generated by the evaporator to the storage compartment; and a thermoelectric cooling device including a thermoelectric element having a heating unit and a cooling unit. The thermoelectric cooling device is configured to heat air from the outside of the main body by the heating unit and discharge the air heated by the heating unit to the outside of the main body, cool air from the storage compartment by the cooling unit, and supply the air cooled by the cooling unit to the storage compartment, and is disposed above the storage compartment.

The invention belongs to the technical field of transformer heat dissipation, and particularly relates to a power transformer heat dissipation device with an alarm function, which comprises a protection assembly, an adjusting device is mounted in an inner cavity on one side of the protection assembly, a heat dissipation assembly is mounted on the adjusting device, and the adjusting device can drive the heat dissipation assembly to slide up and down in the height direction of the protection assembly. The heat dissipation assembly can slide up and down in the shell through cooperation of a linear motor sliding rail and a linear sliding block, a corrugated pipe is arranged on the heat dissipation assembly in a communicating mode, and the exhaust end of the corrugated pipe is movably arranged in a hole formed in the intersection position of sliding holes formed in the longitudinal swing plate and the transverse swing plate in a penetrating mode. The multiple sections of meshing teeth arranged on the vertical plate are matched with the gear to drive the exhaust end of the corrugated pipe to swing up and down, meanwhile, the sliding ring arranged on the insulation guide rod in a sleeving mode is matched with the linkage rod to drive the exhaust end of the corrugated pipe to swing left and right, cold air is evenly dispersed to all positions of the shell, and it is ensured that electric appliance elements in the shell are evenly cooled.

The present application relates to air conditioning technology field, specifically relates to a kind of partition regulation formula refrigeration constant temperature and humidity air conditioning unit with air supply system, comprising: unit machine case;Constant temperature air supply structure for temperature regulation for air supply system air supply is equipped in the inside of unit machine case, and the air supply end of constant temperature air supply structure is connected with air duct for wind force transmission;The air duct is installed with constant humidity partition regulation structure for indoor partition regulation air supply in air outlet end.This application, in hot air heating mode, system can effectively deliver hot air to each partition by closing No. 1 and No. 3 electromagnetic valve, realize subarea heating, improve energy utilization efficiency, in cold air refrigeration mode, system is adjusted closed flap and starts compressor, so that cold air is delivered to each partition after refrigeration cycle, also realize subarea refrigeration, exhaust air and dust mode can extract indoor peculiar smell and dust, improve indoor air quality.

The rapid cooling device comprises a cooling box body, air curtain isolation systems are arranged at the two ends of the cooling box body, and the interior of the cooling box body is sequentially divided into a pre-cooling area, a deep cooling area and a uniform temperature area in the material conveying direction; the pre-cooling area is provided with a first cooling unit, the first cooling unit comprises a compressed air source and a plurality of vortex tube coolers communicated with the compressed air source, and the output ends of the vortex tube coolers are provided with nozzles used for spraying cold air to materials; the deep cooling area is provided with a second cooling unit, the second cooling unit comprises a liquid nitrogen supply source and a plurality of atomizing nozzles communicated with the liquid nitrogen supply source, and the second cooling unit is used for spraying low-temperature atomizing media to materials. The efficient, uniform and stable cooling of the heat-conducting structural adhesive is realized, and the product performance and batch consistency are improved.

The utility model discloses a double-air-duct industrial and commercial air-cooled energy storage cabinet, which comprises an energy storage cabinet body, the rear side of the energy storage cabinet body is connected with a rear door assembly through a hinge, the inner walls of the two sides of the energy storage cabinet body are connected with symmetrically distributed plug box supporting beams, battery plug boxes are inserted between the upper and lower adjacent plug box supporting beams, and the upper and lower adjacent plug box supporting beams are connected with the battery plug boxes. According to the utility model, external air enters the cold air duct through the condensation air inlet and the evaporation air supply outlet, and cold air is sequentially fed into the battery plug-in box and the bottom of the energy storage cabinet body to cool the battery plug-in box and the high-voltage box; and meanwhile, hot air is discharged from the other side of the battery plug-in box, rises, enters the hot air duct under the suction force of the evaporation return air inlet and is discharged from the condensation air outlet through the hot air duct and the evaporation return air inlet, so that internal air is circulated, and the heat dissipation efficiency is improved.

The invention discloses a loading lap joint device for cold chain transportation and sorting and a using method thereof, and relates to the technical field of cold chain transportation, the loading lap joint device comprises a drawing cold storage module, a cold storage module, a cold storage module, a cold storage module, a cold storage module, a cold storage module and a cold storage module, the drawing cold storage module is slidably mounted on a sliding groove in the bottom of a cold chain vehicle compartment, and a cold storage cavity is formed in the drawing cold storage module; the linkage defrosting mechanism comprises a frame type defrosting scraping plate arranged above the drawing cold storage module, a frost collecting groove is formed in the side edge of the cold storage cavity, and scraped frost water is guided into the frost collecting groove through the defrosting scraping plate; the lap joint interface module is arranged at the front end of the drawing cold storage module and comprises a conveying plate and a temperature adjusting air curtain which are movably hinged, and the temperature adjusting air curtain communicates with the cold storage cavity and the frost collecting groove through an air duct and releases cold air; the control unit is used for monitoring the temperature in the compartment and the platform position and adjusting the air speed of the air curtain to control the cold air circulation amount. The system not only can automatically remove the frost layer in the carriage and effectively reduce the environment temperature during loading, but also can be flexibly butted with a sorting line, so that energy conservation, high efficiency and temperature control guarantee of a cold chain loading link are realized.

The invention relates to a bladeless fan capable of switching cold air and hot air, the core of the bladeless fan is an air valve assembly in a shunt pipe, and an air inlet connecting port can be communicated with a first air outlet (in a first air outlet form) or a second air outlet (in a second air outlet form) by switching an air valve; in the first form, airflow enters the hot air outlet shell with the electric heater through the first air outlet, warm air is formed, and the heating requirements in winter, spring and autumn are met; in the second form, the airflow enters the cold air outlet pipe through the second air outlet, cold air is sent out, and cooling in summer is adapted; the first air outlet on the front side of the shunting pipe corresponds to warm air (front concentrated air supply), the left and right second air outlets correspond to cold air (two-side diffused air supply), and air supply modes can be flexibly switched. And the air duct elbow rotationally communicates with the flow dividing pipe, the cold air outlet pipe can rotate, a user can adjust the air supply angle, the problem that air outlet of a traditional bladeless fan is fixed is solved, the air supply requirement of a specific area is accurately met, and the equipment utilization rate and practicability are improved.

The invention belongs to the technical field of engineering hydraulic oil cylinders, and particularly relates to a hydraulic oil cylinder with a filtering mechanism for reducing pollutant accumulation. An air inlet pipe is directly connected with an external cold air source, cold air can be directly diffused in a device box and wraps a hydraulic oil cylinder body, and meanwhile a motor drives fan blades to rotate through a third rotating shaft; according to the oil cylinder cooling device, flowing of cold air in the device box body can be accelerated, the heat dissipation effect of the oil cylinder can be enhanced, heat accumulation caused by local retention of the cold air can be avoided, meanwhile, suspended dust generated by cleaning of the cleaning brush, small impurities which are not settled in the cold air and falling objects in the using process of the cleaning brush can be sucked, and the cleaning effect is improved. And the cleaning rod rotates under the rotation of the third rotating shaft, so that the impurities blocked by the second filter screen are cleaned, and the impurities enter a first collecting box through a connecting pipe.

The invention belongs to the technical field of aluminum alloy ingot production, and particularly discloses an aluminum alloy ingot production cooling and transferring device which comprises a conveying frame, conveying rollers are evenly and rotationally connected to the two sides of the inner wall of the conveying frame, a transferring mechanism is connected to one side of the conveying frame, and supporting frames are connected to multiple positions of the lower end of the conveying frame and located below the transferring mechanism. One side of the upper end of the conveying frame is connected with a cooling box, the middle of the upper end of the cooling box is connected with an air inlet mechanism, the air inlet mechanism conveys cold air into the cooling box to cool the aluminum alloy ingot workpieces above the conveying rollers, the middles of the two sides of the cooling box are connected with turnover mechanisms, and one side of the upper end of the cooling box is connected with an air blowing mechanism; multi-face uniform cooling of aluminum ingots is achieved through the air inlet mechanism and the overturning mechanism, water drops on the surfaces of the aluminum ingots are removed through the air blowing mechanism, finally, stacking and transferring of the aluminum ingots are completed through the stacking mechanical arm and the conveying belt, the quality of the aluminum ingots is effectively guaranteed, and the production efficiency is improved.

Disclosed in the present invention is a heat recovery ventilator, comprising a frame, a housing, a heat exchange rotor, a central shaft, a plurality of shaft seals, an outer rotor motor, and a motor support; the housing is mounted on the frame, the heat exchange rotor is rotatably mounted in the housing, the heat exchange rotor is fixed to an outer rotor motor housing by means of an inner fixing support, two ends of the central shaft are fixedly mounted on the frame, and the plurality of shaft seals are connected between the housing and the heat exchange rotor. The outer rotor motor is mounted in the middle of the inner cavity of the heat exchange rotor by means of the motor support, and a shaft of the outer rotor motor is fixedly connected to the central shaft. In the present invention, since the outer rotor motor provides rotating power for the heat exchange rotor, the structure is simple, and since an outer cylinder and an inner cylinder in the heat exchange rotor are conical cylinders, when the heat exchange rotor rotates, the centrifugal forces acting on dewdrops attached to the inner cylinder and the outer cylinder are different, the dewdrops concentrate in the axial direction under the action of the centrifugal forces and are transferred to a cold air passage at the shaft seals for evaporation, the flow velocity of the dewdrops is higher, and the heat exchange effect is better.

The utility model discloses a liquefied air energy storage system which comprises a molecular sieve water separator and a molecular sieve adsorption tower, a separator air output pipe is connected with a top gas connecting pipe of the molecular sieve adsorption tower, and a bottom gas connecting pipe of the molecular sieve adsorption tower is connected with a cold box front compressor unit. The cold box front compressor unit is communicated with an air pipeline in the cold box, and an outlet of the air pipeline in the cold box is communicated with a first liquefied air storage tank through a first liquefied air output pipe with a first throttling valve; the output end of a liquid air pressure pump on a first liquefied air storage tank output pipe of the first liquefied air storage tank is communicated with the air input end of the expansion unit, the air output end of the expansion unit is provided with a hot blowing conveying pipe and a cold blowing conveying pipe, and the hot blowing conveying pipe is communicated with a bottom gas connecting pipe through a first heater and an electric heater; and the output end of the cold blowing gas conveying pipe is connected to the output end of the electric heater output pipe. The device has the advantages of simple structure, low energy consumption and full utilization of heat energy.

The invention relates to the technical field of sewage treatment, in particular to a wastewater solid-liquid separation structure and a separation method thereof. The processing device comprises a sewage tank and a liquid supply device, the interior of the sewage tank is divided into a liquid supply bin, a heating bin, a separation bin and a standing bin by an inner partition plate and an outer partition plate which are arranged in the sewage tank, and a liquid collection mechanism is arranged at the top of the heating bin and comprises a gas transmission part and a temperature sensing part. Cool air conveyed in a cooling capacity box is used for achieving separation of solidified grease and sewage, a boundary plate is promoted to guide grease discharged by a heating bin into a discharging channel, the moving path of the grease is changed, meanwhile, the cold air provides cooling capacity for hot air in a liquid storage box, and a memory spring is forced by condensed liquid to push a push plate to move; and the push plate pushes the solidified grease to the far end to isolate the solidified grease and receive the grease from the discharging channel, so that the solidified grease is prevented from hindering newly injected grease, and the grease treatment efficiency is improved.

The utility model relates to the field of cooling devices for welding and processing metal products, in particular to a cooling device for welding and processing metal products, which is convenient for collecting waste water and comprises a working table plate, the cooling device comprises a workbench plate, and further comprises a funnel frame, a connecting cooling frame, two flow choking inclined plates, a special-shaped air inlet frame and a cooling fan, the funnel frame is arranged in the center of the bottom of the workbench plate, the connecting cooling frame is arranged at the bottom of the funnel frame, and the two flow choking inclined plates are symmetrically arranged above the left side and below the right side in the connecting cooling frame; a special-shaped air inlet frame is arranged in the middle of the right side of the connecting cooling frame, and two cooling fans are symmetrically arranged at the front end and the rear end of the top of the special-shaped air inlet frame. According to the cooling device, cooling water is blocked through the two flow blocking inclined plates, the falling speed of the cooling water is reduced, meanwhile, cold air blown by the cooling fan enters the interior of the connecting cooling frame through the special-shaped air inlet frame, and therefore the cooling water which is falling is cooled; and it is guaranteed that the metal product can still be kept at the low temperature after being cooled by the cooling water many times.

In an open-loop heat removal system for a building such as a data center or a home, cool air is supplied to the building by a chilling unit and hot air is expelled from the building without recycling, recirculating, or re-cooling the hot air. For fire suppression, the system receives temperature reading(s) from temperature sensor(s) and determines whether any temperature reading reaches or exceeds a temperature that indicates presence of a fire. If so, a louver positioned over an inlet module is automatically or programmatically closed, shutting off air supply to the building. The system determines whether the building is under a negative pressure internally. If not, an exhaust fan at the outlet of the building is turned on to create a negative pressure internally. The system determines whether an oxygen level of the building indicates that the fire has been contained. If not, a sprinkler system is activated.

The utility model discloses a rubber vulcanization forming device, and belongs to the technical field of rubber product vulcanization, the rubber vulcanization forming device comprises a rubber vulcanization forming machine and a hydraulic cylinder mounted on the rubber vulcanization forming machine, one side of the rubber vulcanization forming machine is provided with a control host, and the hydraulic cylinder is provided with a hydraulic cylinder. A guide rail frame and a mold plate slidably mounted on the guide rail frame are arranged on the rubber vulcanization forming machine, a demolding mechanism is arranged on the rubber vulcanization forming machine, and the demolding mechanism comprises a supporting table connected with the rubber vulcanization forming machine and refrigeration assemblies symmetrically mounted on the supporting table; after the refrigeration assembly generates cold air, the cold air is blown to the position below the demolding plate through the air distribution pipe and the air guide cavity, materials and the mold plate are cooled, cooling is carried out during demolding, a rubber product can be rapidly shrunk, the demolding difficulty is lowered, the possibility of product damage is reduced, meanwhile, the temperature of the mold plate can be lowered, and the service life of the mold is prolonged.

The invention relates to the technical field of graphene carbon nanotube slurry production equipment, in particular to an energy-saving grinding device for producing graphene carbon nanotube slurry, which comprises a machine body, rotating rods are symmetrically, horizontally and rotatably mounted in a grinding cavity, grinding rollers are fixedly sleeved on the rotating rods, and guide blocks are fixedly mounted on the left and right cavity walls of the grinding cavity. And rotating openings are formed in the surface of the material guiding block, the two grinding rollers are located in the two rotating openings correspondingly, a cooling cavity is formed in the material guiding block, and a freezer is fixedly installed on the surface of the machine body. When the grinding roller carries out grinding work, cold air in the freezer intermittently enters the cooling cavity, the cold air makes contact with the material guiding block in the cooling cavity, the material guiding block makes sliding contact with the surface of the grinding roller through the rotating opening, and therefore heat of the grinding roller can be transmitted to the material guiding block through heat conduction; and heat exchange is realized through heat convection between the material guide block and cold air, so that the temperature of the grinding roller can be effectively reduced.

An integrated cylindrical lithium battery capacity grading device disclosed by the present invention comprises an equipment cabinet, a test press machine, a guide mechanism and a heat dissipation device, the test press machine is arranged in the equipment cabinet, the test press machine is of a closed structure, and the test press machine comprises a press machine frame, a lifting frame and a probe module; the guide mechanism is arranged between the press frame and the lifting frame; the heat dissipation device comprises a condenser, a heat dissipation fan module and a guide fan module, the condenser is arranged on the side edge of the equipment cabinet, the heat dissipation fan module is arranged along the circumferential surface of the probe module, and the guide fan module is arranged on the lifting frame; wherein the guide fan module blows out cold air cooled by the condenser upwards, the heat dissipation fan module draws back hot air flowing through the battery, and the condenser, the heat dissipation fan module and the guide fan module are sequentially connected to form a closed circulating air duct in the test press.

The air conditioner circulating fan comprises a machine head internally provided with a first air duct, and under driving of a first draught fan in the first air duct, external air enters the first air duct through a first air inlet and then flows out of a first air outlet; a refrigeration assembly, a water cooling assembly, a second air channel and the like are arranged in the machine base, under driving of a second draught fan in the second air channel, external air enters the second air channel after being cooled into cold air through a second air inlet and an evaporator of the refrigeration assembly, and then enters the first air channel through a second air outlet to be mixed with air in the first air channel to form cold air. And the air flows out from the first air outlet. According to the air conditioner, after being cooled by the refrigeration assembly arranged in the machine base, the external air entering the second air channel enters the first air channel and is mixed with the air in the first air channel to form cold air to be sent out, and cooling is achieved while air circulation convection is conducted; and the air volume of the cold air can be adjusted by changing the temperature and proportion of the cold air entering the first air duct, so that the adjustment of cooling is realized.