997results about How to "Heating fast" patented technology

The invention discloses a waste plastic pyrolysis-catalysis system based on electromagnetic induction heating and a catalytic reforming method, and relates to the technical field of plastic pyrolysis. The problems that in the existing plastic pyrolysis-catalysis process, the yield and quality of CNTs and H2 are affected by factors such as non-uniform heating, catalyst deactivation and difficult product separation exist are solved. The system comprises a gas inlet device, a waste plastic pyrolysis device, a waste plastic continuous feeding device, a waste plastic catalytic reforming device and a gas collecting device, the gas inlet device is used for providing argon gas flow for the waste plastic pyrolysis device through a gas pipe; the waste plastic continuous feeding device is used for feeding waste plastic into the waste plastic pyrolysis device for heating and cracking; pyrolysis products enter a waste plastic catalytic reforming device after passing through a waste plastic pyrolysis device; according to the waste plastic catalytic reforming device, the temperature is regulated and controlled through the electromagnetic induction heating module, and the catalytic reforming process is optimized; and gas products after catalytic reforming are collected by a gas collecting device. The method is applied to the field of plastic recovery.

The invention relates to the technical field of laser welding of micro-fluidic chips, in particular to a method and device for laser welding of a micro-fluidic chip. The method for laser welding of the micro-fluidic chip comprises the following steps: positioning the micro-fluidic chip, acquiring a local picture of the micro-fluidic chip through a visual detection module, controlling two end parts to automatically adjust positions on a space coordinate axis, and ensuring that a cover plate is tightly attached to the micro-fluidic chip; and the target heating light spot is aligned with the molten pool part, so that the matching degree of a real-time crystal phase image formed on the molten pool part and a target crystal phase image is larger than a set value, the welding procedure is completed in an automatic control and detection mode, and finally annealing is conducted to complete welding. The welding method is high in automation degree, laser welding is conducted through the laser welding head module, heating is fast, efficiency is high, and accurate and automatic welding is achieved by judging a crystal phase image.

The invention discloses a self-repairing wave-absorbing composite material as well as a preparation method and application thereof. The self-repairing wave-absorbing composite material provided by the invention comprises the following components in percentage by mass: 30-80% of a polyurethane matrix; 20%-70% of composite wave absorbing powder; the composite wave-absorbing powder is prepared by performing plasma ball milling on graphene oxide and soft magnetic metal powder. The preparation method of the self-repairing wave-absorbing composite material comprises the following steps: 1) preparing a polyurethane prepolymer solution; and 2) dispersing the composite wave-absorbing powder in a polyurethane prepolymer solution, injecting the solution into a mold, and carrying out curing molding to obtain the self-repairing wave-absorbing composite material. The self-repairing wave-absorbing composite material disclosed by the invention is excellent in wave-absorbing property and mechanical property, the material can realize quick self-repairing, the stability of the wave-absorbing property and the mechanical property is ensured, and the composite material is suitable for the fields of 5G communication, new energy automobiles, national defense and military industry and the like.

The utility model provides a novel microwave heating printing head which comprises an outer conductor microwave shielding shell, a microwave input source is arranged on the outer wall of the outer conductor microwave shielding shell in a conducting mode, an outer conductor microwave shielding upper shell is welded to the top of the outer conductor microwave shielding shell, and a coaxial microwave shielding inner conductor is fixedly arranged in the outer conductor microwave shielding upper shell. The coaxial microwave shielding inner conductor is arranged in the outer conductor microwave shielding shell, the coaxial microwave shielding inner conductor and the outer conductor microwave shielding shell define a coaxial resonant cavity, an outer conductor microwave shielding lower shell is welded to the bottom of the outer conductor microwave shielding shell, and a flange plate is installed at the bottom of the outer conductor microwave shielding lower shell. A quartz tube is arranged in the coaxial microwave shielding inner conductor in a penetrating manner and extends to the outlet end of the flange plate, and the length of the coaxial microwave shielding inner conductor arranged in the outer conductor microwave shielding shell is smaller than the height of the coaxial resonant cavity, so that the quartz tube is partially exposed in the coaxial resonant cavity. The conductive composite thermoplastic wire can be rapidly heated within a short time by applying microwaves, and compared with traditional resistance heating, the heating rate is greatly increased.

The invention discloses an energy-saving heating device, and relates to the technical field of energy-saving heating, the energy-saving heating device comprises a box body, the front side surface of the box body is rotatably connected with two blocking doors, the bottom of the inner wall of the box body is fixedly connected with a heat preservation layer, and the inner wall of the heat preservation layer is fixedly connected with a buffer heat preservation box; a heating rod is fixedly connected to the bottom of the inner wall of the buffer heat preservation box, a water outlet pipe is fixedly connected to the left side of the top of the heat preservation layer, a water stop valve is fixedly connected to the upper end of the water outlet pipe, a water inlet pipe is fixedly connected to the right end of the top of the heat preservation layer, and an instant water heater is fixedly connected to the upper end of the water inlet pipe. According to the energy-saving heating device, the arranged circulating pump can increase the water pressure in the water outlet pipe, the water pump is used in cooperation, hot water is forced to flow through the water outlet pipe at a higher speed, meanwhile, the multiple booster pumps are arranged in each floor, and when hot water of a certain floor cannot reach the floor, the booster pumps can provide larger power for water.

The invention relates to the technical field of household appliances, and discloses a clothes dryer which comprises a shell, a clothes dryer body and a clothes dryer body. The clothes drying box is arranged in the containing cavity, a clothes drying cavity is formed in the clothes drying box, and an air inlet and an air outlet are formed in the clothes drying box so as to communicate the containing cavity with the clothes drying cavity; the heat pump module is arranged in the containing cavity and used for heating air conveyed to the clothes drying cavity; the radio frequency module is arranged in the accommodating cavity, the radio frequency module comprises a magnetron and a waveguide slot antenna array, the magnetron is arranged in the accommodating cavity below the clothes drying box, the waveguide slot antenna array is arranged on the side wall of the clothes drying box, and the magnetron is connected with the input end of the waveguide slot antenna array. Mutual adaptation between uneven electromagnetic wave radiation and uneven water distribution of the clothes to be dried can be achieved, and the clothes drying uniformity can be improved. The invention further discloses a control method for the clothes dryer.

The invention provides a methanol preheating and catalytic cracking system for a methanol engine, a ship and a control method, and belongs to the technical field of ship methanol engines. The problems that an existing methanol engine is difficult in cold start and methanol gasification are solved. The system comprises a methanol engine, a methanol storage tank, a water storage tank, a heat exchanger, an inlet temperature sensor and an outlet temperature sensor, one passage of a third three-way valve is connected with the waste gas output end of the methanol engine, the other passage of the third three-way valve is connected with another cooling water pipeline, and the methanol output end of the heat exchanger is connected with the methanol input end of the methanol engine. The methanol input end is connected with the methanol storage tank, a methanol pump is arranged on a methanol conveying pipeline between the methanol storage tank and the heat exchanger, two passages of the first three-way valve are arranged between the methanol conveying pipelines, and the inlet temperature sensor and the outlet temperature sensor are respectively arranged at a methanol inlet and a methanol outlet of the heat exchanger. The method is mainly used for starting the methanol engine.

The invention relates to the technical field of meat product fermentation and enzymolysis, and provides a meat product fermentation and enzymolysis device and an enzymolysis method thereof.The meat product fermentation and enzymolysis device comprises an outer cylinder, a core cylinder, a circulating stirring paddle and a fermentation and enzymolysis control unit; the top of the cylinder body of the outer cylinder is provided with a feeding port, and the bottom is provided with a conical cavity; the output port is connected to the bottom of the conical cavity; the core cylinder is arranged in the middle of the outer cylinder and divides the interior of the outer cylinder into a center cavity and an annular cavity, and the top and the bottom of the center cavity are communicated with the top and the bottom of the annular cavity respectively. The circulating stirring paddle is arranged in the central cavity; the fermentation and enzymolysis control unit controls the circulation stirring paddle to rotate, stirs and drives meat to move upwards from the central cavity to enter the annular cavity, moves downwards along the annular cavity and then returns to the central cavity, and the meat and ingredients are mixed in the circulation process; according to the invention, the mixing uniformity between the meat and between the meat and the ingredients containing the enzyme preparation in the fermentation and enzymolysis process is realized, and the taste quality such as the uniformity and toughness of the enzymolysis meat is improved.

The invention discloses a conductive paste low-temperature laser sintering method and application thereof, and the method specifically comprises the steps: applying a low-temperature laser sintering technology to the sintering process of low-silver or silver-free conductive paste, and achieving the efficient and uniform molding of a conductive layer at a lower temperature through the control of the frequency, power density and wavelength of laser. The damage of high-temperature sintering to the material structure is avoided, the conductivity of the conductive paste is effectively improved, the use of silver is reduced, and the cost is reduced; besides, the conductive paste is modified by adding a modifier, and in practical application, the photovoltaic conductive paste with the silver content of 8.5% shows excellent conductivity after being subjected to laser-assisted sintering.

The invention relates to the technical field of milk sterilization systems, in particular to an intelligent microwave-heat exchange composite milk sterilization system and a method thereof.The system comprises a mixing module used for adjusting the flow speed and temperature of fresh milk; the microwave sterilization module is used for heating milk by using a multi-frequency magnetic field; the temperature control module comprises a microwave power regulator and a heat exchanger and is used for regulating the microwave heating time and the heat exchange rate so as to control the milk temperature; and the digital twin module optimizes the sterilization process by using deep reinforcement learning and simulates the system performance in a virtual environment, and a faster and more uniform heating process is realized through the synergistic effect of microwaves and heat exchange. The application of the multi-frequency magnetic field technology further improves the uniformity of microwave heating, and effectively solves the problems of hot spots and cold spots in traditional heat exchange sterilization. Experimental results show that compared with a traditional method, the sterilization effect is improved by about 11.5%, which means higher food safety.

The invention discloses an ammonia decomposition hydrogen production quick starting system which comprises a liquid ammonia source, a gasifier, a first heat exchanger, an ammonia decomposition reactor, a plasma ammonia decomposition hydrogen production reactor, a membrane separation purifier, a combustor and a pure hydrogen collector. The system preheats ammonia gas through a first heat exchanger, an ammonia gas channel outlet of the first heat exchanger is divided into two paths, one path is communicated with an ammonia gas channel of an ammonia decomposition reactor for ammonia decomposition, and decomposed high-temperature product mixed gas serves as a heat source of the first heat exchanger; the other path is communicated with the plasma ammonia decomposition hydrogen production reactor and is used for quickly decomposing ammonia gas and providing a hydrogen source for quickly igniting the combustor; and the combustor provides heat energy for ammonia decomposition in the ammonia decomposition reactor. According to the invention, the plasma ammonia decomposition hydrogen production reactor is introduced, and hydrogen is generated in an extremely short time by utilizing a plasma catalysis process and is used for combustion of the combustor, so that the ammonia decomposition reactor is rapidly heated, and the starting time of the whole system is remarkably shortened.

The utility model relates to coating equipment. The coating equipment comprises a body part, an air inlet part, a carrier and a heating part, the body part comprises an inner shell and an outer shell, the inner shell is located in the outer shell, an inner cavity of the inner shell forms an inner cavity, and an outer cavity is formed between the inner shell and the outer shell; the gas inlet part is used for introducing process gas into the inner cavity, and the heating part is used for heating the inner cavity; the carrier is arranged in the inner cavity, the carrier is provided with a mounting cavity and a first opening, the mounting cavity is used for mounting stacked substrates, the to-be-coated surface of each substrate can be exposed from the first opening, and the heating part comprises a plurality of heating units arranged on the peripheral side of the first opening. The coating equipment can be used for coating and passivating the cutting surface of a substrate such as a battery piece, and can also be used for annealing the cutting surface, so that the passivation effect is ensured, the overall structure is simplified, the cost is reduced, and the production efficiency can be effectively improved.

The invention belongs to the technical field of display screen detection, and particularly relates to display screen aging test equipment. Comprising an aging oven, through openings are formed in the two sides of the aging oven, a circulating track is arranged in the through openings in a penetrating mode, a circulating trolley is arranged in a track body of the circulating track, a positioning frame is installed at the top end of the circulating trolley, the positioning frame comprises a bearing part and clamping parts, and the clamping parts are installed at the two ends of the bearing part; according to the display screen aging test equipment provided by the invention, the circulating track is arranged; during testing, the display screen is mounted on the positioning frame, and then the circulating trolley drives the display screen on the positioning frame to enter the aging box through the through hole; after the test is completed, the circulating trolley carries the display screen out of the aging oven, and the display screen on the positioning frame is unloaded through the unloading assembly; the whole detection process is automatic, the test efficiency is high, and the test of mass products is facilitated.

The invention belongs to the technical field of batteries, and particularly relates to a pole piece processing system, a pole piece processing method, a pole piece, a battery and a power utilization device. The pole piece processing system comprises a flame heating unit, wherein the flame heating unit is used for carrying out flame heating treatment on the pole piece. The method for treating the pole piece comprises the following steps: carrying out flame heating treatment on the pole piece, so that the surface temperature of the active layer is greater than or equal to the softening temperature or melting temperature of the binder and is less than the lowest temperature of the decomposition temperature, the oxidation temperature and the ignition temperature of the active substance. In the flame heating treatment process, the binder floating on the surface of the pole piece can be softened (melted) or ablated. After the floating binder is softened (melted) or ablated, the number of capillary pores of the pole piece is increased, and channels for electrolyte infiltration in the pole piece are increased, so that the electrolyte can infiltrate the pole piece more easily, and the electrolyte wettability of the pole piece is improved.

The utility model discloses heating and bending equipment for chain plate processing, which relates to the technical field of chain plate processing and comprises a bottom plate, an anti-deviation unit is arranged on the top surface of the bottom plate, a heating unit is arranged on the top surface of the bottom plate, a bending unit is arranged on one side of the anti-deviation unit, and the anti-deviation unit comprises a mounting frame. The mounting frame is arranged on the top face of the bottom plate, a conveying belt is arranged on the inner side of the mounting frame, a motor is in transmission connection with one side of the conveying belt, a first electric telescopic rod is arranged on the top face of the mounting frame in a penetrating mode, the telescopic end of the first electric telescopic rod is fixedly connected with a connecting plate, and a sliding rod is arranged on the inner side of the connecting plate in a penetrating mode. A first spring is arranged on the outer side of the surface of the sliding rod. According to the chain plate conveying device, through mutual cooperation of the first electric telescopic rods, the connecting plates, the sliding rods and the first springs, the effect of limiting the top faces of chain plate raw materials during conveying is achieved, and the problem of deviation of the chain plate raw materials is avoided.

The invention relates to the technical field of 3D printing, and provides a leveling device of 3D printing equipment and the 3D printing device.The leveling device of the 3D printing equipment comprises a printing platform and a moving platform and further comprises four screw rods, a distance sensor, a temperature regulation and control mechanism, a blowing mechanism and a collecting box, the screw rods are in threaded connection with the moving platform, and the distance sensor is arranged on the moving platform; the distance sensor is arranged on the printing head and used for measuring the distance between the printing head and the printing platform, the temperature regulation and control mechanism is used for regulating and controlling the temperature of the printing platform, the temperature change of the printing platform during printing is reduced, and the purging mechanism purges the surface of the printing platform through airflow generated by the temperature regulation and control mechanism. The collecting box is arranged on the moving platform and located on the side, away from the blowing box, of the printing platform, and through the technical scheme, the problems that in the prior art, temperature and impurities affect leveling, and the printing accuracy is reduced are solved.

The utility model discloses a lifting cooling structure for a furnace body, and relates to the technical field of metallurgy. Comprising a fixed support; the cooling furnace body is mounted at the top of the fixed bracket, and a cooling assembly is arranged in the cooling furnace body; a crucible with a temperature sensor and a crucible lifting assembly for driving the crucible to move up and down are arranged in the lower furnace body, a movable base is arranged at the bottom of the lower furnace body, the crucible penetrates through the interior of the cooling assembly, and pulleys are installed on the two sides of the movable base; the vertical lifting assembly is installed on the fixed support, and the two sides of the movable base are connected with the vertical lifting assembly in a clamped mode; and the sliding rail is used for being matched with the pulley to work and is arranged on the ground under the lower furnace body. The interior of the furnace body is divided into different areas, heating and cooling can be achieved in the furnace body, rapid cooling can be achieved, the machining time is greatly shortened, and the efficiency is improved.

The utility model discloses phosphate drying equipment which comprises an equipment body and a gas transmission assembly, the equipment body comprises a shell, a first bearing is installed on a top wall plate of the shell, a rotating shaft is installed in the first bearing, the lower end of the rotating shaft is arranged in the shell, and the gas transmission assembly is arranged in the shell. A plurality of stirring impellers are mounted on the side wall, in the shell, of the rotating shaft, and a plurality of nozzles are mounted at the lower ends of the stirring impellers; the gas transmission assembly comprises a first gas transmission groove and a second gas transmission groove, the first gas transmission groove is formed in the rotating shaft, the second gas transmission groove is formed in the stirring impeller, and the nozzle is communicated with the second gas transmission groove. According to the phosphate drying device, hot air is conveyed into the stirring impeller, is uniformly output through the nozzle and then is in contact with phosphate, and meanwhile, the stirring impeller stirs the phosphate, so that the contact area of the hot air and the phosphate is increased, the phosphate is uniformly heated, and the drying effect of the hot air on the phosphate is improved.

The invention relates to the field of semiconductor circuit packaging detection, and discloses a via hole welding spot tin penetration depth detection device and method based on infrared thermal imaging, and the device comprises an excitation source unit, a control system, an infrared imager, and a tested piece. A plurality of via hole welding spots are distributed on the surface of the tested piece, the infrared imager and the excitation source unit are located on the two sides of the tested piece respectively, and the excitation source unit is used for heating the surface of the tested piece; a camera of the infrared imager is aligned with a plurality of via hole welding spots on the surface of the tested piece; the control end of the control system is respectively connected with the control ends of the infrared imager and the excitation source unit, the excitation source unit can quickly heat the surface of the test piece to be tested, the infrared imager can capture and record the temperature change in real time, and the captured image is fed back to the control system; and the tin penetration depth of the via hole welding spot is obtained through processing of the control system, so that the detection efficiency of the tin penetration depth of the via hole welding spot is effectively improved.

The invention provides a multi-temperature-field automatic thermal cycle test device and a test method thereof. The multi-temperature-field automatic thermal cycle test device comprises an automatic material conveying unit, a high-temperature environment field unit, a low-temperature environment field unit, a room-temperature environment field unit, an electrical control unit and an outer frame platform unit, the automatic material conveying unit comprises a lifting storage rack, a lifting operation mechanical arm and a rotating main shaft; the high-temperature environment field unit comprises a high-temperature environment box body which can be opened and closed, and an electric heating element is mounted in the high-temperature environment box body; the low-temperature environment field unit comprises a low-temperature environment box body which can be opened and closed, and a liquid nitrogen refrigerating device is mounted in the low-temperature environment box body; the room temperature environment field unit comprises a room temperature field fan. A plurality of temperature fields are adopted, a refrigerating medium is used for achieving rapid cooling at the low temperature, a heating wire is used for achieving rapid heating at the normal temperature in the air environment and at the high temperature, the multiple temperature fields are provided at the same time or different temperature fields can be rapidly switched, and thermal cycle test research under large-range temperature changes can be carried out.

The utility model relates to the technical field of paste reaction equipment, in particular to a reduced pressure distillation device of a paste reaction kettle, which comprises a reaction kettle, an inner barrel is arranged in the reaction kettle, a spiral conveying plate is rotatably mounted in the inner barrel, and the bottom end of the spiral conveying plate extends out of the inner barrel; the paste stirring device has the beneficial effects that the inner barrel is arranged in the reaction kettle, the spiral conveying plate is arranged in the inner barrel, paste at the bottom of the reaction kettle can be conveyed upwards through the inner barrel through rotation of the spiral conveying plate, and then the paste falls into the reaction kettle from the top end of the inner barrel, so that the paste stirring effect can be achieved, and the paste can be uniformly stirred; and the temperature of the hot water flowing from top to bottom through the spiral pipe is gradually reduced from top to bottom due to heating of the paste, and at the moment, the lower temperature at the bottom preheats the upward paste in advance, and then the higher temperature at the top quickly heats the paste, so that the reaction efficiency is improved.

The invention discloses an ampoule bottle opening device and an ampoule bottle opening method, and belongs to the technical field of bottle opening devices. The ampoule bottle opening device comprises a shell, a base used for supporting the shell is arranged at the bottom of the shell, a movable frame is arranged in the shell, a plurality of containing boxes used for containing ampoule bottles are arranged in the movable frame, and a heating / cooling mechanism used for rapidly heating and cooling bottle caps of the ampoule bottles is arranged in the shell. A moving mechanism for driving the moving frame to move in the shell is arranged in the shell, a baffle structure for separating bottle bodies and bottle caps of the ampoule bottles is arranged between the heating / cooling mechanism and the containing box, and the moving mechanism drives the ampoule bottles to move between the heating / cooling mechanism and the baffle structure. According to the ampoule bottle opening device and the ampoule bottle opening method, the problems that glass powder chippings are generated in the bottle opening process of an existing bottle opening device, the structure is complex, and reliability is not high can be solved.

The invention relates to the technical field of vacuum tanks, in particular to a thermal vacuum simulation system for space environment simulation and test, which comprises a thermal vacuum simulation container, a vacuum guarantee system, a temperature guarantee system, an illumination simulation system and a control system, the vacuum obtaining subsystem comprises a low-vacuum obtaining unit and a high-vacuum obtaining unit, a mechanical pump of the low-vacuum obtaining unit is used as a pre-pumping pump, a mechanical pump of the high-vacuum obtaining unit is used as a pre-pumping pump, and a mechanical pump of the high-vacuum obtaining unit is used as a pre-pumping pump. A molecular pump and a low-temperature pump of the high vacuum obtaining unit serve as main pumps, the vacuum degree required by an experiment can be rapidly obtained, the vacuum degree is more convenient to control, and the problem that the vacuum degree and the temperature of an existing thermal vacuum test tank are not easy to control is solved.

A vacuum heat preservation pot comprises a pot body and a pot cover, the pot body is formed by welding a thick pot body and a stainless steel shell, the thick pot body is formed by stretching an aluminum / stainless steel double-layer composite board, aluminum serves as an inner layer, stainless steel serves as an outer layer, and the stainless steel shell is welded and fixed to the outer side of the thick pot body. The lower end of the stainless steel shell is basically flush with the bottom face of the thick pot body in a transition mode, the upper end of the stainless steel shell is located below the pot edge, and a sealed vacuum layer is formed between the stainless steel shell and the outer side wall of the thick pot body after the stainless steel shell and the outer layer stainless steel of the thick pot body are welded. The vacuum pot has the advantages of being reasonable in structural design, fast in heating, good in heat preservation performance, simple in manufacturing process, high in production efficiency, capable of achieving multifunctional operation such as braising, steaming and boiling, capable of effectively reducing energy consumption and saving cooking time and good in practical performance.

The utility model discloses a brazing type high-pressure water heating PTC heater assembly, and relates to the technical field of water heating PTC heaters. Comprising a shell, a fixing cover is arranged over the shell, a water heating heater body is arranged in the shell and comprises a first water tank, a second water tank is arranged over the first water tank, a third water tank is arranged under the first water tank, and a first connecting pipe is fixedly arranged at the top end of the first water tank; the top end of the first connecting pipe is fixedly connected with the second water tank, the bottom end of the first water tank is fixedly provided with a second connecting pipe, the bottom end of the second connecting pipe is fixedly connected with the third water tank, a first heating bag is arranged between the first water tank and the second water tank, and a second heating bag is arranged between the first water tank and the third water tank. According to the vehicle-mounted water heater, the effect of rapidly heating the whole vehicle can be achieved, and when the vehicle-mounted water heater is used, water is divided into three layers of flow channels from one layer of flow channels, so that the resistance of the water flowing channels is effectively reduced, the heat exchange speed of the water is higher, and the heating speed of the water is increased.

The special infrared welding equipment comprises a rack, a transmission unit, a clamping unit and an anti-falling unit, the rack is used for installing and fixing the transmission unit, the clamping unit, the anti-falling unit and a sliding unit, and the transmission unit is used for providing a power source for rotation of a product. The clamping unit is used for clamping a product while rotating and heating the product, the anti-falling unit is used for avoiding rapid falling and damage caused by too heavy clamping unit at the upper part, the sliding unit is used for welding two products, and when the product is placed in the sliding unit, the transmission unit is controlled by the controller to start, so that the product is welded. The clamping units are driven to rotate while clamping products, the products are evenly heated, air leakage caused by uneven heating is avoided, welding firmness and air tightness are improved, the upper clamping units are locked through the anti-falling units, the whole upper clamping units are prevented from falling quickly when gas of a production line is cut off suddenly, and welding quality is improved. And the risks of machine collision and person injury caused by crashing occur.

The invention belongs to the technical field of laser surface modification, and discloses a laser in-situ alloying method and device for a speed skating ice skate blade pipe, a feeding device cooperates with a clamping device to complete clamping and positioning of various types of ice skate blade pipes, a laser device generates a heat source, nitrogen or carbon dioxide on the surface of the ice skate blade pipe is micro-melted under the thermal action of laser energy, and the surface of the ice skate blade pipe is micro-melted; nitrogen or carbon elements are provided for ice skate blade pipe surface in-situ alloying, the turnover device completes ice skate blade pipe multi-angle laser machining, the movable workbench ensures an accurate laser scanning path, and finally ice skate blade pipe surface laser in-situ alloying machining is completed. A laser in-situ alloying method for the speed skating ice skate blade pipe is adopted, nitrogen or carbon dioxide and laser energy are utilized, and the heat input amount of a system is adjusted, so that component regulation and control of micro-molten metal on the surface of the ice skate blade pipe are achieved, and a surface alloying layer which is good in hardness, uniform in permeation layer and improved in strength is formed in situ; the method has the advantages of improving mechanical properties of the ice skate blade pipe, prolonging service life of products, improving production efficiency and the like.

The invention discloses a plasma heating catalytic ammonia decomposition hydrogen production system which comprises a power supply, a plasma reactor, a first heat exchanger, an adsorption device, a nitrogen tank and an ammonia tank, and the power supply is electrically communicated with the plasma reactor; the plasma reactor is divided into a power-on area and a decomposition area which are not communicated but connected with each other; the nitrogen inlet, the nitrogen outlet and the electrifying opening are respectively communicated with the electrifying area, and the ammonia gas inlet and the decomposed gas outlet are respectively communicated with the decomposing area; the electrifying area comprises a plurality of plasma torches arranged at intervals, one ends of the plasma torches are communicated with the nitrogen inlet, and the other ends of the plasma torches are communicated with the nitrogen outlet and penetrate through the decomposing area; the ammonia gas tank and the decomposed gas outlet are simultaneously communicated with the first heat exchanger; the first heat exchanger is also communicated with the ammonia gas inlet and the adsorption device; the nitrogen tank is communicated with the nitrogen inlet. The plasma heating catalytic ammonia decomposition hydrogen production system reduces the temperature rise time of the ammonia gas, greatly improves the heating effect of the ammonia gas, and is beneficial to full and uniform decomposition of the ammonia gas.

The invention relates to the field of nondestructive testing, and discloses an aero-engine blade in-service in-situ video eddy current infrared detection system and a detection method, which are characterized in that a multi-mode detector and an integrated detection probe are designed, an endoscopic video head is adopted to acquire complex internal conditions of an engine, the probe is assisted to stretch in, and an eddy current detection coil assembly works in a time-sharing and multi-mode manner; different detection modes and heating functions are switched by applying a combined excitation signal, the eddy current detection coil and the eddy current heating coil which are in a flat transparent flexible film shape are adopted to conformally fit the surface of a to-be-detected blade for eddy current detection, the shielding influence of the coils on infrared thermal imaging signals obtained by a miniature infrared camera is reduced, and the detection accuracy is improved. And the precision of an infrared thermal imaging signal is improved. According to the invention, high integration of video, eddy current and infrared sensors is realized, the probe is miniaturized, and in-service in-situ detection of various defects at the same fixed point position on a thermal barrier coating of an aero-engine blade is realized.

The utility model discloses a multi-tube type efficient energy-saving environment-friendly boiler, and relates to the technical field of efficient energy conservation. The multi-tube type efficient energy-saving environment-friendly boiler comprises a shell, a motor is fixedly connected to the upper end of the shell, a feeding opening is formed in the side face of the shell, a transmission shaft is fixedly connected to the lower end of an output shaft of the motor, a first gear is fixedly connected to the side face of the transmission shaft, and a waterproof box is rotationally connected to the side face of the transmission shaft; a first blade is fixedly connected to the side face of the transmission shaft, a supporting column is fixedly connected to the side face of the shell, a second gear is rotationally connected to the supporting column, and a base plate is fixedly connected to the side face of the shell. Through rotation of the transmission shaft, the baffle and the first gear are driven to rotate at the same time, then the second gear is driven to rotate, accordingly, the third gear rotates towards the other side, meanwhile, the second blade fixedly connected with the side face of the rotating rod rotates along with the third gear, water in the boiler is fully stirred, and heating is faster.