1634 results about "Spray cooling" patented technology

The invention discloses a long downhill section truck brake pad high temperature detection and cooling method and system, and the method comprises the steps: collecting the surface temperature data of a truck brake pad in real time according to high-precision infrared temperature sensor arrays and thermal imagers disposed at the two sides of a long downhill section, and generating a time-space correlation temperature field distribution diagram; based on the temperature field distribution diagram, dynamically adjusting a temperature safety threshold curve through reinforcement learning, and outputting a dynamic early warning trigger signal; according to the dynamic early warning trigger signal, a corresponding spraying instruction is generated so as to drive a piezoelectric ceramic microvalve array of a roadside spraying device to conduct spraying cooling on the brake pad; and according to the temperature attenuation rate and infrared thermal image feedback data of the brake pad after spraying, the temperature safety threshold curve and the spraying instruction are corrected through a Bayesian optimization algorithm, and closed-loop safety regulation and control are formed. According to the embodiment of the invention, the temperature of the brake pad can be monitored in real time, accurate spraying cooling control is realized, and safe and stable braking performance of a truck is ensured.

The utility model discloses an extrusion cooling device for MPP cable protection tube processing, which belongs to the technical field of MPP cable protection tube processing, and is characterized by comprising a base, the top of the base is fixedly connected with a cooling assembly, the top of the base is fixedly connected with a spraying assembly, the cooling assembly comprises a supporting frame, and the supporting frame is fixedly connected with the spraying assembly. The supporting frame is fixedly connected to the top of the base, the sealing heads are fixedly connected to the interior of the supporting frame, the cooling channel is fixedly connected between the opposite sides of the sealing heads, and the cooling pipe is fixedly connected to the interior of the cooling channel. The structure of the pipe is stabilized from the inside through preliminary cooling, stress concentration possibly generated by shock cooling is reduced, and therefore the quality of the pipe is improved, spraying cooling of the pipe is achieved through the spraying assembly, the effect of rapidly reducing the surface temperature of the pipe is achieved, and the pipe rapidly reaches the state close to the normal temperature.

Disclosed are a high-barrier inflatable cushion and a preparation process therefor, which related to the technical fields of high-barrier inflatable cushions. The preparation process includes the following steps: material feeding, heating, vacuum counter-pressure molding, spray cooling, air cooling and drying, die-cutting, and thermal bonding. The high-barrier inflatable cushion comprises an airbag forming material and an airbag base material. The airbag forming material is prepared by laminating a TPU-EVOH composite with Lycra fabric, the TPU-EVOH composite has a total thickness of 0.4-0.8 mm, and the Lycra fabric has a gram weight of 150-230 g / m2. The airbag base material is prepared by laminating the TPU-EVOH composite with non-woven fabric, the TPU-EVOH composite has a total thickness of 0.1-0.3 mm, and the non-woven fabric has a gram weight of 60-80 g / m2.

The invention discloses an intelligent cooling system for rapidly cooling a casting, and relates to the technical field of casting cooling. An intelligent cooling system for rapidly cooling a casting comprises a geometric perception module, a cooling template module, a cooling execution module, a dynamic regulation and control module, a resource circulation module, a cooling template iteration module and a data precipitation module. According to the method, the geometrical characteristics of the casting are accurately sensed, heat conduction and heat dissipation function modeling are combined, an initial cooling template is established, and the pertinence and scientificity of a cooling strategy are improved; three cooling units of air cooling, spray cooling and liquid cooling are arranged, differentiated regulation and control are carried out based on a heat dissipation distribution diagram of a space partition, and accurate cooling control over multiple areas of a complex casting is achieved.

The invention provides a novel data center comprehensive thermal management system and method based on a composite liquid cooling technology. The novel data center comprehensive thermal management system comprises a photovoltaic power generation module, a composite liquid cooling heat dissipation module and a waste heat recovery module. The photovoltaic power generation module is used for providing electric energy for the composite liquid cooling heat dissipation module and the waste heat recovery module; the composite liquid cooling heat dissipation module comprises a cabinet, a micro electrostatic spray cooling unit and a heat exchange module; the micro electrostatic spray cooling unit is used for locally cooling the to-be-cooled element; the heat exchange module comprises a heat exchanger, a first high-voltage electrostatic generator and a guide assembly; the waste heat recovery module is connected with the heat exchanger and used for recovering heat energy in the third cooling liquid after heat exchange, converting the heat energy into electric energy and storing the electric energy into the photovoltaic power generation module. The photovoltaic power generation module, the composite liquid cooling heat dissipation module and the waste heat recovery module are coupled, an immersion type and electrostatic spraying composite cooling technology is adopted, energy efficiency management is optimized, and finally the energy utilization efficiency of the data center is greatly improved.

The invention discloses a conveying device for extruder material cooling and a working method thereof, and relates to the field of thermoplastic pipeline processing.The conveying device comprises a water collecting tank, a first-stage cooling tank and a second-stage cooling tank are arranged in the water collecting tank, a spiral air duct pipe is arranged in the water collecting tank, and a plurality of spray cooling assemblies are arranged in the spiral air duct pipe; multiple sets of small exhaust fans are arranged at the position, located at one end of the spiral air duct pipe, of the top of the water collecting tank, a distance adjusting mechanism is arranged at the bottom of the water collecting tank, a fixing mechanism is rotationally connected to the top of the distance adjusting mechanism and connected with a driving assembly, and a bearing mechanism is movably installed in the driving assembly; a water absorption assembly is arranged outside the bearing mechanism. The first-stage cooling tank and the second-stage cooling tank are arranged for primarily cooling extruded materials, deformation caused by too fast cooling of the extruded materials is avoided, the spiral air duct pipe and the spray cooling assembly are arranged for further cooling the extruded materials, and waste of water resources can be reduced while efficient cooling of the extruded materials can be guaranteed.

The invention belongs to the technical field of aero-engine high-temperature part test, and particularly relates to a thermal mechanical composite fatigue test device in a turbine blade rotation environment, which comprises a high-temperature gas system, a stator system, a rotor system, a support system, a test system, an auxiliary system and a turbine rotor blade test piece, the high-temperature fuel gas system is used for providing a fuel gas environment for a turbine rotor blade test piece and controlling the high-low temperature circulation state of fuel gas, a combustion chamber is arranged at the front end of the high-temperature fuel gas system and provided with a double-oil-way nozzle, a fuel gas flowing system is arranged at the rear end of the high-temperature fuel gas system, and a blade grid structure is designed for the fuel gas flowing system according to the geometrical shape of a turbine rotor blade. And a spray cooling section is arranged at the rear part of the test section. The device is composed of six core systems including a high-temperature fuel gas system, a stator system, a rotor system, a supporting system, a testing system and an auxiliary system, all the systems work cooperatively, and integrated simulation of the high-temperature fuel gas environment, rotating centrifugal loads and heat-force synchronous circulation is achieved.

The quick tool changing device convenient for motor part machining comprises a main tool body, blade grooves are formed in the two ends of a rotating body, and turning blades are fixed in the blade grooves through locking screws; a cylinder at the bottom of the rotating body is in clearance fit with a tool pad and a hole in the main tool body, the main tool body is provided with a cylindrical ejector rod, and the cylinder at the bottom of the rotating body abuts against the cylindrical ejector rod and is locked through a bolt on the outer side of the main tool body. A key is arranged below the rotating body and is in contact positioning with a key groove in the plane of the cutter pad, and the main cutter body internally comprises an upper spraying pipe on the upper portion of the main cutter body and a lower spraying opening in the front end of the main cutter body. An inner cooling device in the main cutter body sprays cooling liquid to the cutting edge through an upper spraying pipe and a lower spraying opening, the problem of machining overheating is solved, the cutting performance is improved, cuttings can be washed away through high-pressure cooling water, and the problem of long cuttings is solved; and the rotating body with the positioning key can realize a quick tool changing function.

The invention provides an oil cooling motor, a power assembly and a vehicle. The oil cooling motor comprises a stator and a rotor, a rotor shaft sequentially penetrates through a first end plate, a rotor iron core and a second end plate in the circumferential direction of the oil cooling motor, an oil cooling loop of the rotor comprises an oil inlet channel and a plurality of oil outlets, the oil inlet channel is distributed in the rotor shaft, and the oil outlets comprise a plurality of first oil outlets and a plurality of second oil outlets; the multiple first oil outlets are distributed in the side, away from the rotor iron core, of the first end plate at intervals in the circumferential direction of the oil-cooled motor, and the multiple second oil outlets are distributed in the side, away from the rotor iron core, of the second end plate at intervals in the circumferential direction of the oil-cooled motor. At least one of the area of each first oil outlet and the area of each second oil outlet or the distance between each first oil outlet and the inner circumferential face of the stator and the distance between each second oil outlet and the inner circumferential face of the stator in the radial direction of the oil cooling motor is different. Cooling oil in different states can be sprayed out of the two ends of the rotor of the oil-cooled motor to meet different oil cooling requirements of the two ends of the stator winding.

The invention discloses spinning forming equipment and a spinning forming method thereof, and relates to the field of spinning production.The spinning forming equipment comprises a main shaft and a spinning roller frame, a cooling oil groove is formed below the main shaft through a lifting rod, a splash-proof tool is arranged on one side of the main shaft through a carry table and symmetrical to the spinning roller frame, and cooling oil in the lifting oil groove submerges part of workpieces to help cooling; then the splash-proof tool abuts against the surface of the workpiece through a carry table associated with a spinning roller frame to peel off oil liquid and prevent sputtering, a liftable cooling oil groove is formed below a main shaft to submerge the spinning workpiece to help cooling, contact between the workpiece and the cooling oil liquid is increased, and the problems that the contact time is short and the service life is short during oil spraying cooling are solved. In addition, in order to avoid the problem that cooling oil liquid splashes due to rotation of the workpiece, a carry table and a splash-proof tool are arranged in association with carry of the spinning roller frame, attached oil liquid is peeled off by abutting against the abutting rollers making contact with the surface of the workpiece, the rotating speed of equipment is guaranteed, and therefore the machining efficiency of the equipment is improved.

The utility model discloses an aluminum ingot production and processing casting machine conveying device which comprises a supporting column, a transmission roller is arranged on the supporting column, a metal net belt is arranged on the transmission roller in a transmission mode, a beam is arranged on the supporting column, a recycling box is arranged on one side of the metal net belt, an aluminum ingot limiting device is arranged on the metal net belt, and a conveying belt is arranged on the aluminum ingot limiting device. A spray cooling device is arranged on the cross beam, a water receiving device is arranged on the cross beam and located between the metal net belts, and an air drying device is arranged on the cross beam. The utility model belongs to the technical field of aluminum ingot conveying and processing, and particularly relates to a conveying device of an aluminum ingot production and processing casting machine, which solves the problems that in the prior art, aluminum ingots are easy to slide in the conveying process due to lack of limiting measures for the aluminum ingots when the aluminum ingots are conveyed, and meanwhile, the aluminum ingots are lack of a rapid cooling and heat dissipation function.

The invention provides an optimization method of a magnesium slag sensible heat recovery system, which comprises the following steps: acquiring particle size distribution data of magnesium slag particles, and judging whether the problem of non-uniform particle size distribution exists or not according to a preset particle size threshold value; aiming at the problem of non-uniform particle size distribution, magnesium slag particles are classified by adopting a clustering algorithm, and the distribution areas of large particles and small particles are determined; according to the distribution area of the large particles, the rotating speed of the cooling roller is dynamically adjusted, and the accumulation probability of the large particles in the roller is reduced; the temperature change trend of the inner wall of the cooling roller is monitored in real time, and if it is detected that the local temperature abnormally rises, it is judged that local hot spots exist; when a local hot spot is detected, a spraying cooling system in the roller is started, and intensified cooling is conducted on a local area; pressure and temperature data of high-pressure and high-temperature water are collected in real time through a pressure sensor and a temperature sensor, and whether fluctuation exists or not is judged.

The present application relates to the technical field of computers, and discloses a cold plate, a server, and a server system. The cold plate of the present application comprises: a cold plate body, a cooling liquid cavity being formed in the cold plate body, and a heat exchange plate configured to be connected to a heat source being formed on one side of the cold plate body; a jet structure arranged in the cooling liquid cavity and partitioning the interior of the cooling liquid cavity into a first cavity and a second cavity, the second cavity being formed between the jet structure and the heat exchange plate, and jet holes for spraying cooling liquid toward the heat exchange plate being formed in the jet structure; a cooling liquid inlet communicated with the first cavity; and cooling liquid outlets communicated with the second cavity, the cooling liquid outlets being arranged in pairs and respectively formed in two sides of the cold plate body. In the cold plate of embodiments of the present application, after being sprayed onto the heat exchange plate, the cooling liquid can diffuse to the two sides of the cold plate, and flow out through the cooling liquid outlets in the two sides of the cold plate, such that the heat distribution on the two sides of the cold plate is more uniform, thereby providing a more uniform temperature distribution on the surface of the heat source.

The present invention discloses a pyrolysis oil and gas cutting device and method, comprising a waste rubber pellet pyrolysis module, a pyrolysis oil and gas high-efficiency cutting module, a pyrolysis oil and gas condensation module, a Roots blower, a non-condensable gas pressure-stabilizing and conveying module, and a control module. By spraying cooling water and circulating non-condensable gas onto the high-temperature pyrolysis oil and gas, the present invention utilizes the vaporization of the cooling water to absorb a large amount of latent heat of phase change, fully condensing the high-temperature pyrolysis oil and gas. Furthermore, the generated water vapor and non-condensable gas reduce the partial pressure of low-flash-point components in the oil and gas, causing them to continuously migrate from the liquid phase to the gas phase. While ensuring that the oil product flash point meets standards, the minimum flash point cutting temperature required for condensation of high-flash-point oil is lowered, thereby increasing the yield of high-flash-point oil.

The present invention relates to a centrifugal vacuum pump group for large flow and low pressure applied to the technical field related to vacuum pumps. It adopts a three-stage series arrangement to obtain a high compression ratio, which can meet the target requirement of lower absolute pressure, and the first-stage vacuum pump adopts double-sided air intake, which can meet the target requirement of large flow; in addition, the compressed gas is cooled by spray cooling in the internal circulation, thereby replacing the heat exchanger cooling in the prior art, effectively reducing the floor space of the vacuum pump group, and the structure is compact and the cost is lower; in addition, during the internal circulation cooling process, it can automatically perform adaptive deformation according to the temperature of the gas. When the gas temperature is high, it can automatically stretch, and then form a plurality of cooling plates spaced apart from each other in the water-cooling cylinder, so that the contact range with the gas is greatly improved, so that the heat of the gas can be quickly taken away when passing through the water-cooling cylinder, thereby achieving cooling.

The invention discloses a water-cooling brake disc structure in the technical field of brake discs, which comprises a disc body, calipers and brake pads positioned on two sides of the disc body, and further comprises a pumping and draining piece arranged in the calipers, one side of the pumping and draining piece is connected with a liquid inlet pipe, the other side of the pumping and draining piece is connected with a liquid draining pipe, and in the process that the brake pads on two sides are far away from or close to each other, the liquid draining pipe is connected with the liquid draining pipe. The pumping and draining piece sprays cooling liquid to the side part of the disc body through the liquid inlet pipe and the liquid draining pipe; when the brake pad is controlled to move in the braking process, due to the fact that the vertical plate fixedly connected with the brake pad drives the piston rods on the two sides to act, the piston rods drive the pistons to pump cooling liquid into the piston cylinders through the liquid inlet pipe in the reciprocating motion process of the piston cylinders, then the cooling liquid is discharged through the liquid outlet pipe and sprayed to the brake pad, and cooling treatment is conducted on the brake pad; the whole process does not need to consume electric power resources, is beneficial to energy conservation and environmental protection, and reduces the use cost.

The invention discloses a heat treatment device for crusher parts and a using method thereof, and relates to the technical field of heat treatment. To solve efficiency problems; the device specifically comprises a base; a stand column is fixed to the outer wall of the top of the center of the base through bolts, a rotating ring is rotationally connected to the outer wall of the stand column, and three supporting arms in an equal-angle circular array are arranged on the outer wall of the rotating ring. A clamping mechanism used for clamping and fixing a shaft is arranged at the end of the supporting arm, a high-frequency heating mechanism and a cooling mechanism are arranged on the top of the base, and the high-frequency heating mechanism is fixed to the base through a support. By arranging the rotatable supporting arm and cooperating with the high-frequency heating mechanism and the cooling mechanism, the whole device has three stations of feeding and discharging, high-frequency heating and spray cooling, and the three stations are circularly arranged, so that feeding and discharging, heating and cooling can be synchronously and crossly carried out, and the heat treatment efficiency is improved.

The invention relates to the technical field of welding cooling, and provides a liquid nitrogen spraying welded plate cooling device and a design method thereof.The cooling device comprises a liquid nitrogen source used for providing liquid nitrogen; the input end of the spraying module is connected with a liquid nitrogen source through a main pipeline, the output end of the spraying module is provided with a plurality of spraying holes corresponding to the surface of the welded plate, and the main pipeline is provided with a flow regulating valve; the temperature acquisition module comprises a plurality of temperature sensors which are arranged at temperature measuring points of a welding plate; the control module is electrically connected with the temperature acquisition module and the flow regulating valve respectively; the structure of the spraying device is optimized through flow field simulation, it is ensured that liquid nitrogen is evenly distributed to the surface of a welded plate, local supercooling or superheating is avoided, and uniform cooling of the welded plate is achieved; data are collected through the temperature sensor, closed-loop control is formed in cooperation with the PID controller and the multiple adjusting valves, the liquid nitrogen flow, the spraying area and the spraying time can be accurately regulated and controlled, the inter-channel temperature is effectively controlled, the temperature is prevented from being too high, and it is guaranteed that the welding process is continuously and stably carried out.

The invention belongs to the technical field of electric heating element testing, and provides a heating element testing method and device, a medium, a device and a product, and the heating element testing method comprises the steps: controlling a heating element to be heated to a preset temperature value from an initial temperature value in response to a received heating test instruction; in response to the received water cooling test instruction, controlling the circulating water cooling system to perform spray cooling treatment on the surfaces of all or part of the heating elements, and / or performing immersion cooling treatment on the heating elements; acquiring first performance information of the heating element monitored in the heating test stage and second performance information of the heating element monitored in the water cooling test stage; and outputting third performance information of the heating element according to the first performance information and the second performance information.

The invention relates to the field of battery production, and discloses a battery charging and discharging device, which comprises a frame assembly, a battery charging and discharging assembly and a battery charging and discharging assembly, the supporting assembly is arranged in the accommodating space in a liftable manner and is used for supporting the battery assembly; the charging assembly is arranged in the accommodating space and is used for charging the battery assembly; the containing box is arranged below the supporting assembly, an opening allowing the supporting assembly to penetrate through is formed in the top of the containing box, and the containing box is used for storing fire fighting liquid; the lifting driving device is connected with the supporting assembly and used for driving the supporting assembly to enter and exit from the containing box. Compared with a spraying cooling mode, the battery assembly is soaked in the fire-fighting liquid, so that the fire-fighting liquid can be prevented from being evaporated too fast, the cooling efficiency is improved, the cooling effect is ensured, in addition, the contact area between the battery assembly and the fire-fighting liquid can be increased, the battery assembly is cooled uniformly, and the problem that the temperature of partial area of the battery is too high is solved.

The invention relates to the technical field of photovoltaic cooling hydrogen production, and particularly provides a multi-source synergistic spray cooling concentrating frequency division photovoltaic hydrogen production system and a regulation and control method. Accurate separation of solar spectrums is achieved through jacketed pipe frequency division and a reaction pipe, visible light wave bands are converted into electric energy through a photovoltaic module, infrared wave bands are subjected to photo-thermal conversion through a catalytic reaction pipe, surplus heat energy is directly used for the activation process of hydrogen production through water electrolysis, and gradient utilization of solar energy is achieved. And precise temperature control is realized, and the temperature of the photovoltaic panel is stabilized in an optimal interval in combination with a closed-loop temperature control strategy. The wind-solar complementary power supply and the waste heat cascade recovery device synergistically improve the energy utilization rate, and the multifunctional integrated electric control system realizes hydrogen-electricity-heat multi-target scheduling through a dynamic game optimization algorithm and a digital twin simulation platform. The working temperature of a solar cell is stabilized in the optimal efficiency interval, meanwhile, heat energy loss of a traditional system is converted into hydrogen production effective energy, and an efficient and stable solar energy-hydrogen energy conversion system is constructed.

The present application relates to the technical field of UAV power systems, and in particular to an air-cooled UAV hydrogen fuel cell control system. It includes: a spray intercooler that sprays stack wastewater as a cooling medium; a wastewater circulation system that transports stack wastewater to the spray nozzle of the spray intercooler; and a reinforcement learning control system that executes a control program to control the spray intercooler and the wastewater circulation system. The closed-loop wastewater spray cooling system significantly reduces the damage to the membrane electrode caused by the high-temperature intake air of the air compressor. At the same time, the reinforcement learning algorithm is used to achieve four-dimensional coordinated control of temperature, humidity, pressure, and flow, so that the stack always operates stably in the optimal operating range. This not only compresses the actuator response delay to the millisecond level to ensure the real-time performance of the UAV power output, but also significantly extends the service life of the stack and improves the stability of the output power while reducing the weight of the system.

The invention relates to the technical field of plastic steel wire production, in particular to a multi-stage spraying and cooling fused monofilament thread spinner and application thereof in plastic steel wire production, the multi-stage spraying and cooling fused monofilament thread spinner comprises a supporting truss, a cooling channel and a water tank, the cooling channel and the water tank are fixed to the supporting truss, and the end of the cooling channel is communicated with a cooling pipe; the multi-stage spraying mechanism is arranged in the cooling channel and is used for performing multi-stage spraying cooling action on the plastic steel wire; the pressurization regulation and control mechanism is arranged in the cooling pipe, the pressurization regulation and control mechanism comprises a plurality of air guide plates which are circumferentially distributed at equal intervals, a follow-up turbulent flow mechanism is arranged on the cooling pipe, the pressurization regulation and control mechanism can regulate the distance between the air guide plates, and the deflection angles of the air guide plates are regulated through the follow-up turbulent flow mechanism. And the pressure intensity and the gas flowing direction in the cooling pipe are continuously adjusted, so that the gas is in a turbulent flow state to cool the plastic steel wire, and the cooling effect is enhanced.

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.

The invention discloses an angle-variable and self-revolution wafer base device, and belongs to the technical field of wafer bases, the angle-variable and self-revolution wafer base device comprises a revolution base, a gear carrier is fixedly connected to the center of the top of the revolution base, and a base is arranged above the gear carrier. According to the cooling device, an external liquid supply device conveys cooling water into the connecting base through a cooling water inlet pipe, inclined blades in the connecting base drive a driving shaft and a double-end protruding block to rotate, a sliding block drives an annular gear and a cooling disc to rotate through a rack, and the rotating cooling disc centrifugally throws out the cooling water; a uniform and dead-corner-free cooling water curtain is formed, the rotation shaft and the adjusting shaft are completely wrapped, the cooling uniformity of the peripheral side of the shaft body is ensured, stable and efficient heat exchange is achieved, sprayed cooling water can cool the revolution seat and the gear carrier at the same time, the influence of the high temperature in the reaction cavity on the device is reduced in an auxiliary mode, and the reaction efficiency is improved. And the operation reliability and the overall performance of the device are obviously improved.

The embodiment of the invention relates to the technical field of steam turbine cold end optimization, in particular to an air cooling unit spray cooling cooperative control method and device, equipment and a medium. And the spraying cooling amount needed for achieving the target back pressure is calculated based on a thermodynamic characteristic model, so that a feedforward spraying water amount control scheme is formulated, the predicted working condition and the spraying scheme are comprehensively considered, the rotating speed of the air cooling fan is optimized and set through a decision optimization model, and cooperative control over the fan and a spraying system is achieved. By means of the method, advanced and accurate control over the spraying water amount and the rotating speed of the draught fan is achieved. The collaborative optimization strategy ensures that the system can operate in an economic mode under different working conditions, that is to say, on the premise of meeting the backpressure constraint, the overall economic operation level of the system is remarkably improved while safe and efficient operation of a unit is ensured by weighing the fan power consumption cost and the spraying water consumption cost.

The utility model belongs to the technical field of activated carbon regeneration, and discloses a regenerated activated carbon cooling device, a spray cooling module comprises a spray water supply main pipe and a plurality of spray water supply branch pipes, and the spray water supply main pipe is arranged at the top of a water-cooling screw conveyor and is arranged along the axial direction of the water-cooling screw conveyor; one end of the spraying water supply main pipe is connected with a water inlet pipe opening of the water cooling jacket; the plurality of spraying water supply branch pipes are axially distributed along the spraying water supply main pipe, one end of each spraying water supply branch pipe is connected with the spraying water supply main pipe, and the other end of each spraying water supply branch pipe penetrates through the water cooling jacket, extends to the inner side of an inner shell of the water cooling screw conveyor and is provided with a spraying nozzle; the hole diameter of the spraying holes of the spraying nozzles close to the feeding pipe opening of the water-cooling screw conveyor is larger than the hole diameter of the spraying holes close to the discharging pipe opening of the water-cooling screw conveyor. The problems that an existing water-cooling spiral conveying device is low in heat exchange efficiency, and a high-temperature regenerated activated carbon material cannot be efficiently and fully cooled are solved.

The invention discloses a rotary kiln pyrolysis process preheating and replacing method which comprises the following steps: replacing and preheating an upgrading system when a rotary kiln is started, performing low-load operation on the rotary kiln, heating the rotary kiln by a rotary kiln hot blast stove and a flue gas fan, closing a pipeline valve from a dry gas fan to a first dust remover, and performing low-load operation on the rotary kiln; a rotary kiln nitrogen replacement valve is slightly opened, nitrogen enters the rotary kiln through a dry gas guide screw for replacement and heat removal, an oil and gas pipeline is preheated, direct cooling tower spraying cooling water and indirect cooling tower circulating cooling water are put into use, a coal gas fan is started for system circulation, and an electrical tar precipitator outlet is opened to a rotary kiln starting line valve; the invention further discloses a rotary kiln quality improvement system, the rotary kiln pyrolysis process preheating and replacement method is adopted, the start-up time is effectively shortened, the investment and operation cost is saved, and meanwhile a foundation is laid for long-period stable operation of the system.

The invention relates to the technical field of metal material processing, in particular to a large-scale flat-bulb steel optimized cooling process which comprises the following steps: S1, temperature homogenization treatment; s2, primary cooling is carried out, and shock cooling is avoided; s3, a spraying device is used for cooling the flat-bulb steel, and conditions are created for subsequent partition cooling operation; s4, the flat body part of the flat-bulb steel is covered with a heat insulation material; s5, carrying out subarea differential cooling; s6, carrying out temperature equalization processing; s7, carrying out secondary spray cooling to reduce the temperature to a target range; s8, slowly cooling until the temperature is reduced to room temperature; s9, stress relief treatment is conducted, and the structural stability of a finished product is guaranteed; according to the method, through partitioned differential cooling, slow cooling control and mechanical vibration aging treatment, the temperature uniformity and internal stress release in the cooling process of the flat-bulb steel are remarkably improved, and the mechanical property and structural stability of a product are improved.

The utility model discloses a heat dissipation structure for an oil cooling loop on the surface of a stator core of an oil cooling motor, which belongs to the technical field of oil cooling motors and comprises an end face punching sheet, a middle punching sheet B is welded on the upper end face of the end face punching sheet, and a plurality of groups of middle punching sheets A are welded on the upper end face of the middle punching sheet B. According to the utility model, through the arrangement of the middle punching sheet A, the middle punching sheet B and the end surface punching sheets, the three groups of punching sheets are welded into the motor stator iron core, and the corresponding oil passing grooves are arranged on the outer surfaces of the three groups of punching sheets, so that cooling oil can be fully contacted with a motor stator, and the cooling effect is improved. According to the utility model, the middle punching sheet A and the middle punching sheet B are welded and fixed in a staggered manner, so that the sprayed cooling oil can cover the surface of the stator in a Z shape in a large range, the contact area between the cooling oil and the stator is increased, and the heat dissipation efficiency of the stator is further improved.