124results about How to "Reduce cooling effect" patented technology

The invention discloses an HDI circuit board laser drilling device, and particularly relates to the technical field of HDI circuit board drilling, the HDI circuit board laser drilling device comprises an operation table, a rotating mechanism is rotatably connected to the right side of the middle of the upper end of the operation table, a transmission mechanism is rotatably connected to the front side of the upper end of the operation table, and a drilling mechanism is fixedly connected to the middle of the upper end of the operation table; an air blowing mechanism is arranged on the left side of the lower portion of the drilling mechanism. According to the HDI circuit board laser drilling device, in the descending process of the laser drilling head, a baffle is driven to be matched with a rectangular block, the HDI circuit board can be automatically and accurately positioned, the drilling precision and efficiency are improved, in the drilling process, a spray head is matched with a limiting pipe and a first sliding block, and therefore the HDI circuit board can be accurately drilled. According to the HDI circuit board drilling device, the surface of a drilled HDI circuit board is cleaned through the soft brush, chippings and dust generated in the drilling process can be removed, meanwhile, in the reset process of the laser drilling head, the surface of the drilled HDI circuit board is cleaned through the soft brush, the residual chippings and dust can be removed, and the cleanliness of the HDI circuit board is guaranteed.

The utility model discloses a sesame cooling device for sesame paste production, which comprises a box body, the inner wall of the box body is fixedly connected with a partition plate, the right side of the partition plate is provided with an air outlet cover in a penetrating manner, the left side of the bottom of the inner cavity of the box body is fixedly connected with an electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected with the bottom of the air outlet cover. And the top of the air outlet cover is fixedly connected with a spring. Through the cooperation of the box body, the partition plate, the air outlet cover, the electric telescopic rod, the spring, the dust removal box, the fan, the motor and the net cage, the sesame cooling device has the advantages of an efficient cooling mechanism and a dust removal mechanism, and overcomes the defects of the conventional sesame cooling device for sesame paste production in use; the problems that the cooling effect of the sesame cooling device for sesame paste production is reduced, a front dust removal mechanism is not arranged, dust removal cannot be conducted, and the current market requirement cannot be met are solved.

The invention relates to the technical field of stamping dies, and discloses an automobile part stamping die and a stamping method. The die assembly is used for carrying out stamping operation; the oil spraying assembly is used for spraying lubricating oil in the stamping operation process; the dust removal assembly is used for removing dust on the surface of the material; and the fixing assembly is used for fixing the stamping material. Through the arrangement of the die assembly, the two upper dies can conduct stamping operation alternately, it is avoided that due to long-term repeated operation of the same upper die, abrasion is aggravated, and the service life is shortened, in the upper die overturning process, the upper dies are monitored in real time through cooperation of a camera and a displayer, and the upper dies are replaced in time when damaged; the situation that the quality of a large number of materials is damaged due to the fact that the die is damaged in the continuous operation process is avoided; and through the arrangement of the multiple stamping knives, the upper die can conduct punching operation in the stamping process, and the working efficiency is improved.

The invention provides a control method and device of a drilling and tapping machine and electronic equipment, and relates to the field of data processing. The method comprises the steps that temperature data and deformation data which are sent by a nano-film sensor and aim at a processing object are obtained, and the nano-film sensor is located in a processing area corresponding to the processing object; according to the temperature data and the deformation data, a temperature distribution diagram of the machining area is determined; based on the temperature distribution diagram, surrounding type cooling equipment of the drilling and tapping machine is controlled to cool the machined object in real time; determining a first thread image of a thread corresponding to the processing object according to the deformation data; acquiring a second thread image which is sent by image acquisition equipment of the drilling and tapping machine and aims at a thread corresponding to the processing object; and based on the first thread image and the second thread image, adopting a preset support vector machine model to generate a quality result of a thread corresponding to the processing object. According to the technical scheme, quality detection can be conveniently conducted on the threads machined by the drilling and tapping machine.

The invention discloses a nuclear power plant water system and a cooling method.The nuclear power plant water system comprises a plurality of series and non-safety-level pools, each series is provided with a safety-level pool, the safety-level pools are communicated pairwise, and each series has a first working condition and a second working condition; the sum of the water quantity borne by any two safety-level pools can be at least used for the system to operate for 3 days under the second working condition. The non-safety-level water pool can at least store water for the system to operate for 27 days under the second working condition. Water resources stored in the non-safety-level water pool and the safety-level water pool can be flexibly allocated to different series according to actual needs, idling and waste of the water resources are avoided, the requirement for the total water storage amount is effectively reduced, and therefore the building and maintaining cost of the water pool is reduced. Reduction of the total water storage capacity of the nuclear power plant means that occupation and consumption of land and water resources in the pool building process are reduced.

The utility model discloses a side cold plate, battery pack and vehicle, said side cold plate includes cooling plate and support plate, said cooling plate is connected with said support plate, said cooling plate is used for cooling the upper half part of battery cell side surface, said support plate at least one part is used for being connected with the lower half part of battery cell side surface to support said cooling plate, wherein the heat conductivity coefficient of the cooling plate is greater than that of the supporting plate. According to the cold measuring plate, the temperature difference of the battery cell in the height direction is reduced, and the service life of the battery cell is prolonged.

The utility model relates to a backpack type cooling structure for a vertical motor, which is used for cooling the motor and comprises a circulating shell and a water heat exchanger, and the circulating shell is fixed on one side of the motor; a compartment partition plate is arranged in the circulation shell, the circulation shell comprises a first cold air cavity, a cooling cavity and a second cold air cavity which are sequentially communicated, an air inlet and two air outlets are formed in the side, making contact with the motor, of the circulation shell, the air outlets are symmetrically formed in the two sides of the air inlet, and the cooling cavity is communicated with the rotor side of the motor through the air inlet. The first cold air cavity and the second cold air cavity communicate with the two ends of the motor through air outlets correspondingly. The water heat exchanger is fixed in the cooling cavity, and the water heat exchanger is matched with the air inlet in shape; and fans are arranged in the first cold air cavity and the second cold air cavity. Compared with the prior art, the motor cooling device has the advantages of high motor cooling consistency, good water cooling effect and the like.

The invention belongs to the technical field of stainless steel production and machining, and particularly relates to a stainless steel cutting device which comprises a cutting table, and a cutting knife used for cutting a stainless steel pipe is arranged above the cutting table; the circumferential cutting mechanism is used for driving a cutting knife to conduct circumferential motion so as to automatically achieve cutting work on the stainless steel pipe, the circumferential cutting mechanism comprises a fixing ring arranged above the cutting table, a fixing inner gear ring is fixedly connected to the side wall of the fixing ring, and a rotating outer gear ring is further rotationally connected to the side wall of the fixing ring; a movable gear is connected between the fixed inner gear ring and the rotary outer gear ring in a meshed mode. By arranging the circumferential cutting mechanism, during cutting, a movable gear moves circumferentially along a fixed inner gear ring, a cutting knife is driven to move circumferentially, circumferential cutting of the stainless steel pipe is automatically achieved, a worker does not need to hold the stainless steel pipe to rotate or control the cutting knife to move circumferentially, and operation is convenient and fast.

The utility model relates to the field of remote control car part injection molding, and discloses a remote control car part injection molding device based on mold cooling, which comprises a fixed mold and a movable mold corresponding to the fixed mold in a moving manner, and further comprises a lower cooling circular groove which is formed in the fixed mold and corresponds to the lower part of an injection molding cavity, a plurality of upper cooling circular grooves are formed in the fixed mold along the periphery of the injection molding cavity, and the upper cooling circular grooves are communicated with the lower cooling circular grooves; cooling pipe assemblies are arranged in the upper cooling circular groove and the lower cooling circular groove, and a moving assembly for adjusting the distance between the cooling pipe assemblies and the groove walls of the upper cooling circular groove and the lower cooling circular groove is arranged in the fixed mold; according to the injection molding device, the distance between the cooling pipe assembly and the injection molding cavity can be adjusted according to the change of the cooling time, so that the cooling effect is adjusted, and the product quality problem caused by too fast cooling and too early curing of injection molding liquid is avoided.

The utility model relates to an internal cooling and thermal shrinkage cutter handle which comprises a cutter handle body, the cutter handle body is provided with a first cooling channel extending in the axial direction of the cutter handle body and a cutter clamping hole, and the cooling channel and the cutter clamping hole are coaxial, arranged in the middle and communicated with each other; the end cover is fixed on the front end face of the cutter handle body and is provided with a cutter hole communicated with the cutter clamping hole; the cutter handle body further comprises a plurality of second cooling channels, the end cover further comprises a plurality of jet holes, and the second cooling channels are obliquely arranged relative to the axial direction of the cutter handle body. And the first cooling channel, the plurality of second cooling channels and the plurality of spraying holes are sequentially communicated to form a cooling flow channel for cooling a to-be-mounted cutter or a to-be-machined workpiece. According to the internal cooling tool holder, the internal cooling runner in the tool holder is redesigned, so that the internal cooling tool holder is matched with a conventional tool without an internal cooling hole, the application range of the internal cooling tool holder is expanded, and the use cost of the tool is reduced.

The invention discloses an aero-engine power failure test simulation device, and belongs to the technical field of aero-engine tests. The device comprises an aero-engine, a dynamometer, a first coupler and a power failure device, the power failure device comprises an input shaft seat assembly, an output shaft seat assembly, a device base, a second coupler and a feeding tool rest assembly, and the input shaft seat assembly and the output shaft seat assembly are arranged on the device base side by side at intervals; the feeding tool rest assembly is arranged on the device base and located between the input shaft seat assembly and the output shaft seat assembly. The second coupler is rotationally assembled in the feeding tool rest assembly. Compared with the prior art, the device has the following beneficial effects that the feeding tool rest assembly is introduced, so that mechanical rotation between the aero-engine and the dynamometer is cut off by cutting off a coupler, the engine suddenly loses power to cause flying rotation of a power turbine at the moment of cutting off transmission, and the power turbine is prevented from rotating. Simulation of the power failure condition of the aero-engine is realized.

The utility model discloses annealing equipment for stainless steel plate production, which comprises a box body, a door plate arranged on one side of the box body, a cooling assembly arranged in the box body, a mounting box arranged on the box body, an extraction assembly arranged on one side of the mounting box, a conversion assembly arranged in the mounting box, a fixing plate arranged on one side of the fixing plate, and an inclined pipe arranged on one side of the fixing plate. A sponge block is arranged on the other side of the fixing plate and connected with one end of a mounting frame, a sponge block is also arranged at the other end of the mounting frame, an extrusion plate is arranged at the end of the sponge block, a condensation pipe is mounted in the mounting frame, a drainage pipe is arranged on one side of the mounting box, and a driving mechanism is arranged in the mounting box. According to the annealing equipment for stainless steel plate production, water vapor is conveniently recycled through the conversion assembly, so that water resources are saved, a sponge block can be regularly extruded through an extrusion plate driven by a motor, absorbed water is discharged, and the water vapor treatment efficiency is further improved.

The invention discloses a green low-carbon production method of an HG785 steel plate by replacing hardening and tempering with direct quenching and tempering, the thickness of the steel plate is 30-50mm, and the production method comprises the following steps: smelting and continuously casting various components according to a reasonable proportion; heating and rolling; directly quenching; two-phase region coupling tempering; and after discharging, performing air cooling or water mist cooling to room temperature to obtain a finished steel plate. The production method provided by the invention is high in universality, low in modification requirement on an existing medium-thickness plate production line (with accelerated cooling and tempering capabilities), easy to realize industrial large-scale production and remarkable in economic benefit and social benefit; through the collaborative design of'component fine adjustment and gradient quenching + two-phase region coupling tempering ', the mechanical property of the steel plate comprehensively reaches the standard (the yield strength is larger than or equal to 785 MPa, and the impact energy stability at the temperature of-40 DEG C is larger than or equal to 80 J) while greenness and low carbon are achieved, it is proved that'green production and product performance improvement can be synchronously achieved', and the practicability and popularization value of the green low-carbon technology are further enhanced.

The utility model relates to the technical field of motors, and particularly discloses a high-speed motor with a cooling structure, which comprises a shell, a rotating shaft of which the front end extends out of the shell is rotatably connected in the shell, a rotor is fixedly sleeved on the inner side of the rotating shaft, a stator is fixedly arranged in the shell, a cooling sleeve is fixedly connected with the inner wall of the shell, and the cooling sleeve is fixedly connected with the inner wall of the shell. The stator is sleeved with the cooling sleeve, a cooling cavity surrounding the cooling sleeve is formed in the cooling sleeve, a heat dissipation assembly is arranged on the outer surface of the shell, the end, away from the front end of the rotating shaft, of the shell is connected with an air blowing assembly, the bottom of the shell is connected with a circulation box, and the heat dissipation assembly comprises a spiral heat dissipation pipe. According to the utility model, the cooling sleeve in which the cooling liquid circulates can carry out efficient heat exchange on the motor stator, so that rapid cooling is realized, the temperature of the motor during high-speed operation is reduced, the motor can work continuously and stably, and the cooling efficiency is high.

This invention relates to a method for improving transverse temperature uniformity and suppressing residual stress in hot-rolled strip steel, belonging to the field of hot-rolled strip shape control technology in the metallurgical industry. The technical solution is as follows: During the post-rolling cooling stage of hot-rolled strip steel, the cooling in the strip width direction is divided into three zones: the middle of the strip steel is the normal cooling zone, the edge of the strip steel is the zone sensitive to strip temperature and residual stress, and the outer side of the strip steel is the unsprayed zone. The ultra-fast cooling manifold cooling nozzles in the normal cooling zone in the middle of the strip steel and the outer side of the strip steel are perpendicular to the strip surface. The ultra-fast cooling manifold cooling nozzles in the edge zone sensitive to strip temperature and residual stress are deflected towards the center of the strip steel at a certain angle α. The formula for calculating the number of nozzles is: [Formula omitted]. The beneficial effects of this invention are: it improves the transverse temperature uniformity of the strip steel, which is lower at the edges and higher in the middle, reduces the timing difference in the strip entering the phase transformation process, enhances the uniformity of the microstructure, and thus reduces the residual stress in the hot-rolled strip steel.

The invention relates to the technical field of model prediction control, in particular to a cooling capacity balanced cooling control method and system for toothbrush injection molding, and the method comprises the steps: calculating a first cooling rate compensation coefficient of the upper and lower surfaces of a mold according to the area difference between the contact area of an upper mold and the contact area of a lower mold of a toothbrush; heat conduction parameters of the upper die and the lower die are collected; calculating a second cooling rate compensation coefficient of the upper and lower surfaces of the mold based on the obtained heat conduction parameters; and inputting the temperature of the cooling liquid, the flow velocity of the upper mold cooling fluid, the first cooling rate compensation coefficient and the second cooling rate compensation coefficient into a pre-constructed lower mold cooling flow velocity prediction model, and outputting the flow velocity of the lower mold cooling fluid. The prediction model is introduced to calculate the optimal flow velocity of the lower die under the condition that the reference flow velocity of the upper die and the temperature of the cooling liquid are given, in this way, the cooling rates of the upper surface and the lower surface tend to be consistent, and section temperature difference and shrinkage difference caused by non-synchronous solidification are avoided.

The invention relates to the technical field of quenching oil, in particular to high-wettability quenching oil and a preparation method thereof. The high-wettability quenching oil comprises the following substances in parts by weight: 40-60 parts of trimethylolpropane; 8-15 parts of tall oil fatty acid; 0.8 to 1.5 parts of a catalyst; and 45 to 55 parts of xylene. The fatty acid methyl ester synthesized by adopting trimethylolpropane and tall oil fatty acid as raw materials has good fluidity and relatively low viscosity, and is beneficial to improving the heat exchange efficiency between metal and quenching oil, so that the cooling effect is improved. On the basis, the molecular structure of the prepared fatty acid methyl ester comprises a long-chain fatty acid part and a short-chain methanol part. The amphiphilic structure enables the fatty acid methyl ester to show good interfacial activity on a water and oil phase interface, so that the wetting ability of the fatty acid methyl ester to a metal surface is enhanced.

A cyclohexyl imine production system comprises a reactor, a filter, a dealcoholization tower, a decanter, and a separation tower, wherein a feed port is provided at the bottom of the reactor for connecting with adiponitrile, ethanol, alkali, and a hydrogen source, a discharge port is provided at the top of the reactor, and the dealcoholization tower is fed through the filter, the bottom liquid outlet of the dealcoholization tower is connected to the decanter, and the light phase outlet of the decanter is connected to the feed port of the separation tower. The present invention has a simple structure and is easy to operate, and can continuously and stably produce cyclohexyl imine and hexamethylenediamine at the same time, meeting the actual needs of chemical enterprises.

The application relates to a cooling control method, system and storage medium of an electric vehicle controller, which comprises the following steps: collecting a working state signal and internal temperature information of the controller; performing flow control mode or over-temperature power reduction protection mode according to the collected information; emptying and cleaning a cooling water loop of a controller cooling system; collecting a cooling water inlet temperature and a real-time temperature of the controller, and obtaining corresponding requested cooling flow according to a calibrated cooling water inlet temperature flow MAP table and an internal device temperature-flow MAP table; and determining whether to start AC to actively control the cooling water inlet temperature; the application can adjust the cooling water inlet flow based on real-time information such as vehicle control information, controller water inlet temperature and controller internal power electronic device temperature, so that the controller is effectively cooled and the power consumption of the cooling system is reduced.

The invention discloses a multi-working-condition air internal compression high-pressure oxygen air separation device which comprises an air filter, a raw material air turbine compressor, an air cooling tower, a water cooling tower, an air purification unit, a pressurized air turbine compressor, a main heat exchanger, a rectifying tower, a crude argon tower, a pure argon tower and a high-purity oxygen tower. The air supercharging bypass is provided with a supercharging air turbine compressor, enters the main heat exchanger and then reaches the lower tower, the air supercharging bypass enters the main heat exchanger and is provided with a middle exhaust gas expansion machine, the middle exhaust gas expansion machine is connected with a generator I, and the middle exhaust gas expansion machine returns to an air pipeline to enter the lower tower after expansion refrigeration. A liquid expansion machine I is arranged beside the air supercharging bypass after entering the main heat exchanger, the liquid expansion machine I is connected with a power generator II, and the air supercharging bypass reaches the lower tower after being expanded and refrigerated. Product liquid oxygen, product liquid nitrogen, product gaseous oxygen and product liquid argon are separately produced, the yield is increased, and energy consumption is reduced.

The present invention relates to a composition containing a refrigerant, a use thereof, a refrigerator having the same, and a method for operating the refrigerator. The present invention addresses the problem of providing a mixed refrigerant which has three properties, i.e., a cooling capacity equivalent to that of R410A, a sufficiently low GWP, and a microflammability (2L level) in the ASHRAE standard. A composition is provided, which is a composition comprising a refrigerant.

The invention discloses a superaudio frequency compound machine suitable for a lining plastic composite pipe and a control method thereof.The superaudio frequency compound machine comprises a frame, a bracket is installed in the frame, an electric push rod A is installed at the bottom of the frame, the extending end of the electric push rod A is connected with a placing frame, a lead screw is installed in the frame, and the surface of the lead screw is in threaded connection with a moving frame; a clamping plate is arranged in the containing frame, and a pipe diameter adaptation assembly is arranged in the containing frame. Through arrangement of the moving frame, the machining frame, the clamping plates and the pipe diameter adaptation assembly, the position of the machining frame can be adjusted according to the distance between the clamping plates, when the machining frame is adjusted in the moving frame, a connecting plate can be driven to slide in a sliding groove in a frame, and therefore an electric push rod B is driven to move; therefore, when the electric push rod B is used for fixing and clamping the composite pipes with different pipe diameters, the electric push rod B can be ensured to be located at the central positions of the composite pipes.

The utility model relates to the technical field of phase modifiers, in particular to an air cooling type phase modifier lubricating oil device which comprises a bottom plate, a box body, a cover plate and a connecting mechanism, the box body is arranged at the top of the bottom plate, the cover plate is connected with the box body through the connecting mechanism, one side of the box body is provided with an oil outlet pipe and an oil return pipe, and the oil outlet pipe is connected with the oil return pipe. A liquid inlet assembly is arranged at the top of the cover plate, the connecting mechanism comprises a positioning block, a fixed block, a first bearing, a rotating block, a second bearing, a rotating frame, a sliding groove, a sliding block and an electromagnet, one end of the positioning block is connected with the cover plate, the other end of the positioning block extends into the top of the box body, a positioning groove matched with the positioning block is formed in the box body, and the electromagnet is arranged in the positioning groove. One end of the fixed block is connected with the box body, one end of the rotating block is connected with the fixed block through the first bearing, and the air cooling type phase modifier lubricating oil device solves the problem that existing equipment is inconvenient to clean.

This utility model discloses a heating and temperature compensation device for variable diameter suspension spring materials, including a main housing, a temperature compensation component, and a collection component. The temperature compensation component is fixedly installed on the outside of the main housing, and the collection component is movably installed on the lower part of the main housing. The temperature compensation component is installed and used through the main housing, and the collection component is used to collect impurities or rust that have fallen off the spring. The temperature compensation component includes an induction heater, a heating coil, a cooling water tank, a heater, a cooling water pipe, and a temperature sensor. The induction heater is fixedly installed on the top of the main housing. This utility model accurately compensates for the temperature of the thinner wire end by adjusting the heating time of the induction heater and ensures that the heating coil provides sufficient temperature compensation. The device uses an intelligent temperature control system to precisely control the heating of the variable diameter area, ensuring that the temperature of each part is uniform and meets the process requirements.

The invention relates to a material adding device and method for ultrasonic resonance assisted direct deposition of a high-melting-point metal wire. The device comprises a wire feeding system, a control system, an ultrasonic resonance system, an electromagnetic induction heating device, a three-axis moving device, a substrate preheating device and a shear strain transmission device. For a high-melting-point metal wire, a wire feeding system drives the metal wire to be conveyed downwards along a high-temperature wire feeding pipe, an electromagnetic induction heating device at the lower end of the high-temperature wire feeding pipe softens the metal wire, the metal wire and the wire feeding pipe penetrate through a shear strain transmission device together, and a hollow connecting rod loaded with piezoelectric ceramics transmits ultrasonic vibration to the metal wire; the metal wire is extruded through a shear strain deposition head, and the ultrasonic resonance auxiliary direct deposition process of the metal wire is completed; the control system can adjust the amplitude and frequency of ultrasonic vibration, the electromagnetic induction heating temperature, the wire feeding speed, the substrate preheating temperature and the working frequency of the shear strain device according to actual conditions. According to the device, direct deposition of the high-melting-point metal wire is achieved through electromagnetic induction heating, high-frequency ultrasonic vibration can greatly reduce the flow stress of the material, a large number of dislocations are generated, atomic diffusion is promoted, and metallurgical bonding of adjacent metal units is achieved.

The invention discloses a roller manufacturing process for a calender, an auxiliary roller and a transition roller. The process comprises the steps of raw material pouring, round bar forging, machining, sand blasting texturing, priming coat spraying, surface layer spraying, grinding, polishing and the like. According to the process, a layer of specific metal material is sprayed on the surface of the roller blank to serve as a bottom layer, a layer of ceramic material surface layer is sprayed on the surface of the roller blank, the main component of the surface layer coating is an A < l > 2O3 and T O2 mixture prepared according to a certain proportion, the thickness of the surface layer coating is controlled to be about 400 microns, the coating has good bonding performance on the metal material, the bonding strength of the coating is larger than 30 MPa, and the service life of the coating is prolonged. The coating has the advantages that the coating does not fall off during use, the Vickers hardness of a roller coated with the coating can reach 700-1000 in the aspect of strength improvement and is about doubled compared with the original hardness, and meanwhile, the temperature resistance of the roller can be improved to 600-800 DEG C after the roller is coated with the coating.

The application discloses a coal diesel oil hydrocracking system heat integration process and relates to the technical field of petroleum chemical industry.The system comprises a hydrocracking reactor, a H2S stripping tower and a main fractionating tower which are sequentially connected.The middle reflux of the main fractionating tower is used for heating cold low fraction oil to obtain secondary cold low fraction oil.The diesel oil at the bottom outlet of the main fractionating tower is used for heating the secondary cold low fraction oil to obtain tertiary cold low fraction oil.The reaction product of the hydrocracking after one-time heat exchange is used for heating the tertiary cold low fraction oil to obtain quaternary cold low fraction oil.The quaternary cold low fraction oil is used as the reboiling heat source of the H2S stripping tower.The application changes the cold low fraction oil heat exchange process, fully realizes the waste heat utilization of the middle reflux of the main fractionating tower, the hydrocracking product, the diesel oil at the bottom outlet of the main fractionating tower and the cold low fraction oil, reduces the cooling load and the heat load, simultaneously closes and stops the reboiling heating furnace of the original H2S stripping tower and reduces the energy consumption.

The application discloses a kind of based on deep learning's plate shape control spray flow optimization method, it is characterized in that include following steps: S1 data acquisition: obtain plate specification parameter, process parameter, spray system state parameter and plate shape measurement data, and with time stamp and volume number / rolling section identification;S2 data pre-processing: to the acquisition data is washed, abnormal processing, normalization or standardization, feature engineering, and with sliding time window Construction time series sample;S3 prediction model: the sample after pre-processing is input into long short-term memory network containing self-attention mechanism, and the flow setting value of spray system is output;By this method, the dynamic optimization and real-time adjustment of spray flow can be realized, the plate shape control precision and production adaptability are improved, and the trial-and-error cost and artificial experience dependence are reduced.

The invention provides an electric welding machine cooling system and a control method. The electric welding machine cooling system comprises a cooling pipeline, an electric welding machine welding gun, a cooling device, a storage tank, a circulating pump and a control module. The welding gun of the electric welding machine is arranged on the cooling pipeline and can exchange heat with a cooling medium in the cooling pipeline; the cooling device can cool the cooling medium flowing through the cooling pipeline; the storage tank is used for storing a cooling medium; the interior of the storage tank communicates with the cooling pipeline; the circulating pump can extract the cooling medium in the storage tank and convey the cooling medium into the cooling pipeline from the inlet end of the cooling pipeline; the control module in signal connection with the circulating pump can obtain the current working lift of the circulating pump and adjust the rotating speed according to the comparison result of the working lift and the preset lift. According to the electric welding machine cooling system and the control method, lift control over the circulating pump can be achieved, and therefore the influence of too large or too small lift of the circulating pump on a welding gun of the electric welding machine when the height of the welding gun of the electric welding machine changes is reduced.

The invention relates to the technical field of nitrification aeration systems, in particular to a heat exchange cooling device for a nitrification aeration system. The heat exchange cooling device for the nitrification aeration system comprises a reaction tank, cooling pipes, a lifting structure, a cleaning structure and a backflow structure, a liquid inlet pipe is fixedly connected to the top of one end of the bottom of the reaction tank, a liquid outlet pipe is fixedly connected to the middle of the other end of the reaction tank, and multiple groups of cooling pipes are mounted in the reaction tank at equal intervals; the cooling pipe is used for cooling materials in the reaction tank, a lifting structure is mounted at one end of the reaction tank and used for lifting the cooling pipe, cleaning structures are mounted on two sides of the cooling pipe, and a backflow structure is mounted on one side of the reaction tank and used for pumping reaction liquid at the bottom of the reaction tank and conveying the reaction liquid to the top of the reaction tank. The heat exchange cooling device for the nitrification aeration system provided by the invention has the advantages of diffusing nitrifying bacteria, promoting heat exchange between reaction liquids, automatically cleaning and increasing the capacity of the reaction tank.