183results about How to "Avoid cooling" patented technology

The invention relates to the technical field of lithium battery thermal management, and discloses a lithium battery thermal management regulation and control method, device and equipment and a computer program product, and the method comprises the steps: collecting the temperature data of a lithium battery cell in real time through a plurality of embedded temperature sensors, and forming a temperature matrix; calculating heat flux density between the battery cells based on a Fourier heat conduction equation to generate a heat flux matrix; forming a cooling demand parameter matrix; and dynamically adjusting the flow velocity of the cooling liquid based on a particle swarm optimization algorithm, and automatically adjusting the flow velocity of the cooling liquid through a closed-loop feedback mechanism. Compared with the prior art that performance reduction or service life shortening of a lithium battery system is easily caused by overheating under high-power use or extreme environment conditions, and particularly, effective and uniform heat dissipation cannot be realized when the temperature difference of battery cells is relatively large, accurate heat management is realized by combining temperature real-time monitoring and adjustment of the flow rate of cooling liquid, and the service life of the lithium battery system is prolonged. Therefore, the problem of overheating or non-uniform local cooling is avoided, and the stability and safety of the battery system are improved.

The invention relates to the technical field of energy-saving control, in particular to a data center machine room comprehensive energy-saving control system and method adopting a liquid cooling mode, and the system comprises an equipment monitoring space and a hierarchical energy-saving control module, and the equipment monitoring space module monitors the working state and temperature of machine room equipment and a liquid cooling device thereof in real time through a state monitoring unit; a clustering monitoring network is constructed by using a clustering monitoring network construction unit, fine monitoring of equipment cooling energy-saving control is realized, a hierarchical energy-saving control module generates a first-level node coordination control strategy through a federated distributed control unit, and generates a second-level difference cooling energy-saving control strategy through an edge difference control unit. In addition, the system further comprises a flow distribution adjustment and evaluation feedback module, the flow distribution adjustment and evaluation feedback module distributes and adjusts the flow of the cooling liquid according to a control strategy, the flow distribution adjustment and evaluation feedback module evaluates cooling energy consumption in real time and feeds back and adjusts the control strategy, and refined monitoring and graded energy-saving control over equipment in the machine room can be achieved.

The invention discloses an energy storage cabinet temperature control method based on a cloud platform and a temperature control energy storage cabinet, and relates to the technical field of electric energy storage, the energy storage cabinet comprises a cabinet body, an energy storage module, a data acquisition module, a communication module and a temperature control module, and the temperature control method comprises the following steps: S1, acquiring environmental parameters and battery state data; s2, determining a temperature adjustment factor of the energy storage cabinet through the battery state data; s3, generating a composite temperature index based on the environmental parameters and the temperature adjustment factor; s4, performing region division on the energy storage cabinet, determining temperature requirements of different regions according to the composite temperature index, and formulating an energy storage cabinet temperature control strategy based on the temperature requirements in combination with the environment prediction temperature; s5, the cloud platform generates a control instruction based on the temperature control strategy and issues the control instruction to the energy storage cabinet to execute the control instruction; accurate control over the temperature in the energy storage cabinet can be achieved, it is ensured that energy storage equipment operates within the optimal temperature range, the energy storage efficiency is improved, and the service life of the equipment is prolonged.

The invention belongs to the technical field of welding, and discloses a dissimilar metal power modulation galvanometer laser welding method which comprises the following steps: finely cleaning a 6061 aluminum alloy and a 304 stainless steel plate by using acetone, and then airing for more than 20 minutes; the aluminum steel sheet is assembled, pressed and fixed on a welding test platform in a steel-up-aluminum-down mode; the position of the welding test platform is adjusted, argon serves as welding protection gas, and a protection gas nozzle is arranged to be aligned with a welding pool area; laser welding parameters are set, a laser power modulation mode is set to be a gradient power mode, and the gradient power mode is to regulate and control phase point laser power in a circular scanning track in the advancing direction of a welding seam; a welding test is carried out in the mode that a galvanometer laser head is fixed and a welding test platform is moved, and a laser and the welding test platform are synchronously started and stopped; and the protective gas is started 5 seconds before the laser is started, and after the laser is stopped, the protective gas is stopped lagging for 10 seconds so as to continuously protect the welding seam and prevent oxidation.

A process and system for recovering electrolyte and carbon powder from electrolytic aluminum anode carbon residues are characterized in that the electrolytic aluminum anode carbon residues are crushed, dried, ground and sieved, fine powder is sent to a cyclone combustion furnace for combustion, the electrolyte in the carbon residues is molten and then enters an electrolyte melting pool, and the surface of the electrolyte melting pool can be subjected to residue stirring; the bottom of the molten pool is poured with a high-temperature-resistant material and is provided with multiple holes, the molten electrolyte flows out of the holes and enters a rotary jet granulation device, the molten electrolyte is cut into frits with small particle sizes under the gas cutting action of rotary jet, meanwhile, the molten electrolyte is cooled by airflow, and the molten electrolyte is separated from the molten pool; the small frits are further cooled, so that the surfaces of the small frits are completely solidified, the small frits are discharged through a discharge port, and flue gas generated by combustion enters a tail flue, exchanges heat with a heat exchanger, enters a dust remover system for dust removal, then enters an alkali liquor spray tower and a denitration device, and is finally emptied; according to the method, the electrolytic aluminum carbon residues are subjected to resource recycling, and the electrolyte utilization rate is increased.

The invention provides an ultrasonic-laser cooperative auxiliary milling system and a machining method thereof.The ultrasonic-laser cooperative auxiliary milling system comprises a main shaft internally provided with a laser emitting module, a cutter handle is arranged at the end of the main shaft, an ultrasonic elliptical vibration unit is arranged in the cutter handle, a milling cutter is arranged at the output end of the ultrasonic elliptical vibration unit, and light beam holes are formed in the main shaft, the cutter handle, the ultrasonic elliptical vibration unit and the milling cutter; the light beam holes are coaxial. The continuous laser beams are directly transmitted through the center light beam hole and act on the machined surface of the workpiece through the milling cutter head, so that the continuous laser beams can be concentrated in structures such as curved surfaces, deep cavities and grooves, the purpose of laser-assisted machining can be fully achieved, and the milling quality is guaranteed.

The present invention discloses an air source heat pump unit which can provide anti-frost treatment, and relates to the technical field of anti-frost treatment for pump units, comprising a protective shell, wherein grids are fixedly connected to the top of the protective shell on all four sides, and an evaporator is fixedly connected to the top inner surface of the protective shell, and further comprises: a reciprocating flipping mechanism, through the setting of the reciprocating flipping mechanism, a reciprocating screw rod and an L-shaped long plate are adopted, so that a defrost rod can not only reciprocate on the surface of the evaporator, but also be limited and flipped by a rack plate and a rotary groove at a turning point, so as to achieve double-sided heating and defrosting, and the defrost rod does not fit the evaporator, so as to avoid wear on the surface of the evaporator, and the frost on the surface of the evaporator is melted by the heat of the heating wire, and the mobile defrosting method replaces the traditional fixed heat source heating, so that the heat distribution can be controlled more accurately, and the local overheating or uneven heating which may occur in the traditional fixed heat source heating is avoided, thereby saving energy.

The ultrasonic vacuum filling and sealing machine comprises a machine body, a filling and sealing box is arranged on one side of the upper surface of the machine body, a guide seat is arranged on the other side of the upper surface of the machine body, and a box opening for a power container to pass through is formed in the side, close to the guide seat, of the filling and sealing box. A filling and sealing gun vertically extending downwards is arranged in the center of the inner top wall of the filling and sealing box, and an ultrasonic generator and an electric heater are installed at the positions, located on the periphery of the filling and sealing gun, of the inner top wall of the filling and sealing box. Ultrasonic energy generated by working of the ultrasonic generator can change the fluidity and viscosity of a pouring material, promote permeation and filling of the pouring material, reduce bubbles and improve the uniformity of the pouring material, heat is generated by electrifying the electric heater, the pouring material is heated and subjected to heat preservation, premature cooling of the pouring material is avoided, pouring material forming is facilitated, and the production efficiency is improved. The automatic feeding and discharging device can replace traditional manpower for automatic feeding and discharging of capacitors, time and labor are saved, the feeding and discharging speed is high, and the capacitor pouring machining efficiency is improved.

The invention relates to the field of liquid cooling heat dissipation, in particular to a battery pack series connection labyrinth cold plate and a battery pack, the battery pack series connection labyrinth cold plate comprises a liquid cooling plate body, the liquid cooling plate body is provided with a first flow channel circling inwards and a second flow channel circling outwards, and the first flow channel and the second flow channel are arranged in parallel at an interval; the adjacent first flow channels and second flow channels are located below the same battery cell, the first flow channels and the second flow channels are spirally arranged and are parallel to each other at intervals, cooling liquid enters from any flow channel and flows out from the other flow channel, the paths are the same, and the heat dissipation effects are the same, so that the first flow channels and the second flow channels can be used as inlet and outlet flow channels of the cooling liquid; the problem of cooling effect reduction caused by wrong connection of inlets and outlets is avoided; meanwhile, the first flow channels and the second flow channels are connected in series, so that original gas in the flow channels can be exhausted, and the whole flow channels are filled with the cooling liquid, so that the contact area between the cooling liquid and the cold plate is increased, and the cooling effect of the cold plate on the battery cell is better.

The invention relates to the field of sodium citrate preparation, in particular to a double-cooling type decolorizing and refining device and application thereof in sodium citrate preparation.The double-cooling type decolorizing and refining device comprises a reaction tank, a stirrer is arranged in the reaction tank, the double-cooling type decolorizing and refining device further comprises an outer cooling jacket and an outer cooling coil, and a cooling area is formed between the outer cooling jacket and the reaction tank; the outer cooling jacket is provided with an air inlet and an air outlet, and the outer cooling coil is provided with a water inlet and a water outlet. The rotating speed of the stirrer is detected through the rotating speed sensor, the flow adjusting assembly is adjusted according to a rotating speed signal, the cold air flow and the cooling water flow are gradually increased, the opening degree of the air inlet and the opening degree of the water inlet are gradually increased along with increasing of the rotating speed of the stirrer, continuous improvement of the cooling effect is ensured, and the particle size of formed crystals is effectively controlled; the increase of the number of crystal nucleuses and non-uniform crystallization caused by rapid cooling are avoided, so that the purity and the yield of the sodium citrate are improved.

The invention discloses a method and a system for synthesizing methanol through eluent reinforced carbon dioxide hydrogenation, which introduces eluent with selective solubility to water or methanol into a carbon dioxide hydrogenation reactor, thereby overcoming thermodynamic limitation and moving reaction equilibrium to a favorable direction. The system comprises a methanol synthesis unit, an eluent circulation unit and a product refining unit, the main body of the methanol synthesis unit is an eluent reinforced reactor which can be a one-section or multi-section reactor, and the eluent is introduced into the reactor or arranged among multiple sections of reaction units. According to the method, the high-heat-capacity eluent with the selective dissolving property on water or methanol is used for separating products in situ and removing reaction heat, so that the limitation of reaction balance is overcome, the conversion per pass of carbon dioxide is improved, the gas volume of a reaction outlet is reduced, the volume of a reactor is reduced, and heat management in the reactor is facilitated.

The utility model relates to the technical field of stators, in particular to a stator core and a three-phase permanent magnet electric roller thereof, two ends of a stator body are respectively provided with coaxial first shaft holes, the first shaft holes are used for supporting and assembling with an intermediate shaft, and an air duct is formed between the peripheral surface of the stator body and the first shaft holes. The stator body is integrally formed, when the stator is used, original rib plate stacking and welding forming is changed into stator body integral forming, the overall strength of the stator body is improved, the streamline of the branch inner raceway is better, and the problems of cooling air stagnation and local overheating are avoided; the number of processing parts of a middle shaft hole is reduced, the production efficiency is improved, and the problems of low processing efficiency, poor overall strength and poor air duct streamline caused by stacking and welding of rib plates in the existing inner stator are solved.

The invention relates to the field of waste gas purification, in particular to a waste gas anhydrous treatment device which comprises a gas inlet unit, a heat source unit, a reaction unit, a cooling unit, a slag collecting unit and a tail gas discharging unit. The gas inlet unit comprises a gas inlet pipe, and the gas inlet pipe can convey waste gas into the reaction unit; the heat source unit comprises any one of a plasma torch head, an ignition combustion flame gun and a high-temperature heating rod, and the heat source unit is mounted on the reaction unit; according to the designed water-free waste gas treatment device, waste gas is combusted through cooperation of the heat source unit and the reaction unit, products are cooled in the position of the reaction unit in a mixed mode of air cooling and water cooling when being cooled, sufficient combustion of the waste gas is guaranteed, meanwhile, the whole reaction unit can be protected, and the service life of the reaction unit is prolonged. The purposes of reducing the use amount of energy, reducing the generation of waste water and saving water are achieved.

The invention relates to the technical field of laser cutting, in particular to an automatic laser pipe cutting machine which comprises a base, a supporting arm is fixedly mounted on the base, a mounting base is slidably mounted at one end of the supporting arm through an elastic assembly, and a mounting groove is formed in the lower surface of the mounting base; a laser generating device body is installed in the installation groove through a sliding assembly, an L-shaped support is fixedly installed on the side face of the installation base, a triangular block is fixedly installed at the lower end of the support, and the inclined face of the triangular block faces the rotating center feeding machine base. The distance between the triangular block and the laser generating device body in the vertical direction is the focal distance of the laser generating device body. The height of the laser generating device body is adjusted, at the moment, the laser focus of the laser generating device body can be automatically adjusted to the surface of a pipe, laser energy can be most effectively absorbed by the pipe, efficient and high-quality cutting is achieved, and meanwhile slag is effectively reduced.

The invention discloses a hot drawing wire drawing machine which comprises a machine table, two frame bodies are fixedly connected to the top faces of the two ends of the machine table, two first servo gear motors are fixedly connected to one sides of the two frame bodies, and the side walls of the two frame bodies are rotationally connected with an unwinding roller and a winding roller. The pressing plates at different positions can be extruded by adjusting the first adjusting bolts at different positions, so that the position adjustment of the outer pipe body on the vertical plane and the position adjustment of the wire feeding channel are realized, the position of the wire feeding channel can be adjusted after angle adjustment, the wire feeding channel is aligned with the wire discharging position, and the production efficiency is improved. A traction assembly supplies liquid to a spiral liquid pipe for circulation through a high-speed connector, in this way, heat of a traction wheel can be taken away, cooling of the traction wheel is achieved, the phenomenon that the surface of the traction wheel is deformed under the influence of high temperature is avoided, and the quality of the metal wire is guaranteed. The traction effect is ensured.

The utility model relates to the technical field of gas turbine blade machining, and discloses a micro-nano cooling liquid sprayer for gas turbine blade precision machining, which comprises a mounting plate, a storage tank for storing cooling liquid is arranged at the top end of the mounting plate, and a spraying mechanism for spraying the cooling liquid is arranged at the bottom end of the storage tank. And a protective cover mechanism for controlling the spraying range of the cooling liquid is arranged at the bottom end of the spraying mechanism. Cooling liquid in the storage tank is extracted through the spraying mechanism, meanwhile, the cooling liquid is sprayed out in a micro-nano-scale mist form through the spraying mechanism, spraying can effectively cool and lubricate blades, the opening and closing degree of the protective cover mechanism is adjusted according to actual needs through the protective cover mechanism, and therefore the coverage area of spraying is controlled, and the cooling effect is improved. The locking mechanism is arranged to lock the protective cover mechanism, the opening and closing angles of the two cover bodies can be flexibly adjusted, different machining requirements are met, and the function of controlling the spraying range of cooling liquid is achieved.

The present invention discloses a deep-sea mining energy recovery system combined with temperature difference energy power generation, which includes a power generation system, a separation system and a seabed mining vehicle. The power generation system is mainly based on temperature difference energy power generation technology, and recovers the temperature difference energy of the cold seawater lifted from the seabed during deep-sea mining to generate electricity and fresh water; the separation system is mainly used to quickly separate ore and cold seawater from the tailings; the seabed mining vehicle is used to collect seabed minerals. The present invention uses the cold seawater lifted from the seabed during deep-sea mining as a coolant for temperature difference energy power generation, which can effectively recycle the energy consumed in the pump lifting process during deep-sea mining and generate fresh water; at the same time, the present invention will flocculate the stationary tailings sediments during the treatment of deep-sea mining tailings, and will increase the temperature of the tailings during the temperature difference energy power generation process, which solves the influence of the plume flow of the tailings sediments and the influence of the cold seawater on the local cooling of the ocean, and reduces the discharge depth of the tailwater pipe, reducing the manufacturing cost of the tailwater system.

The utility model relates to an efficient titanium dioxide crude product classification treatment device which is characterized in that a discharge port of a bucket elevator is connected with an inlet electric three-way valve through a discharge pipe, a first discharge pipe connected with the inlet electric three-way valve is connected into a crude product bin, and a second discharge pipe is connected into a temporary storage bin; a discharging pipe at the bottom of the temporary storage bin is connected with an outlet electric three-way valve, a first material distributing pipe connected with the outlet electric three-way valve is connected into a first magnetic separator, an outlet of the first magnetic separator is connected into a spiral conveyor through a qualified material pipe, and a discharging pipe of the spiral conveyor is connected with an inlet of a bucket elevator; a second material distributing pipe connected with the outlet electric three-way valve is connected into a second magnetic separator, and an outlet of the second magnetic separator is connected with a discharging and packaging system through an unqualified material pipe. The device can quickly isolate abnormal materials from a main production line to enter the temporary storage bin, avoids mixed loading pollution with normal materials, and ensures stable quality of main products.

This utility model discloses an electroslag remelting furnace for mold steel, relating to the field of metallurgical technology. It includes a base, a coil, and a lifting mechanism. A multi-stage crystallizer is fixedly installed on the base. The multi-stage crystallizer consists of multiple individual crystallizers, each with its own cooling chamber. A mounting base is fixedly installed at the upper end of the multi-stage crystallizer, and a sealing mechanism is fixedly installed at the upper end of the mounting base. The beneficial effect lies in the fact that the weight of the electrodes is detected by a pressure sensor. Based on the change in electrode weight, the magnitude of the magnetic field generated by the coil is adjusted, thereby improving the flow of the molten pool within the multi-stage crystallizer, reducing segregation, and preventing excessive turbulence that could lead to slag entrapment. Furthermore, the independent crystallizers and individual cooling chambers allow for different melting processes of the electroslag in different areas, avoiding uneven cooling or temperature imbalance during the melting process and effectively improving the crystallization quality of the product.

The kilowatt-level metal fuel cell stack comprises a cell stack main body, a plurality of groups of first heat conduction plates are fixedly mounted on the outer surfaces of the two sides of the cell stack main body, a circulating water pipe is mounted between heat dissipation frames, and the two ends of the circulating water pipe are connected with the heat dissipation frames respectively. And the liquid outlet and the liquid return port are connected with the liquid storage bin, a circulating pump is arranged at one end of the liquid outlet, a second cooling fin set is installed on the outer surface of one side of the liquid storage bin, and a cooling mechanism is arranged on the outer surface of the second cooling fin set. The cooling liquid is driven by the circulating pump to circularly flow between the cell stack main body and the liquid storage bin, and the system realizes efficient transfer and dissipation of heat. Compared with a traditional natural cooling or air cooling mode, the temperature of the cell stack can be rapidly reduced through water-cooling circulation cooling, and stable operation of the cell stack in a high-power output state is ensured.

The invention discloses a spring stretching correction device and correction method, and belongs to the technical field of spring correction. A spring stretching correction device comprises a working box with a cavity, the interior of the cavity of the working box is divided into a containing cavity, a working cavity and a cleaning cavity from top to bottom through partition plates, the spring stretching correction device further comprises a fixed traction hook fixedly connected to the side wall of the working cavity, and series circuit mechanisms are arranged on a movable traction hook and the fixed traction hook respectively. The knocking end of the reciprocating knocking mechanism is arranged below the traction end of the traction hook, and the reciprocating knocking mechanism is matched with the air injection plate; according to the invention, springs at two ends can be self-heated, the phenomenon of thermal stress concentration of the springs can be reduced, and local overheating or cooling of the springs can be prevented, so that cracks are prevented from being generated outside the springs, the subsequent service life of the springs is prolonged, ferric oxide formed on the surfaces of the springs can be removed, and good electric contact and heat conduction are ensured; the influence of oxides on spring performance is reduced, and the subsequent service life of the spring is prolonged.

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 provides thin film extrusion film forming equipment which comprises a base, an extruder is fixedly installed at the top of the base, a discharging assembly is fixedly installed on one side of the top of the base and connected with the extruder in an assembled mode, and a cooling assembly is fixedly installed on the base below the discharging assembly and connected with the extruder in an assembled mode. A cooling assembly is fixedly installed on the base, a detection assembly is fixedly installed on the portion, on one side of the cooling assembly, of the base, a conduction assembly is assembled on the top of the detection assembly, the working end of the conduction assembly extends into the cooling assembly, a pulling assembly is fixedly installed on one side of the base, and a shaping mechanism is assembled at the driving end of the pulling assembly. Through mutual cooperation of the pulling assembly and the shaping mechanism, the assemblies can be separated, stretching of a thin film is achieved through separation, meanwhile, rapid fixing and shaping are conducted after stretching, the cooling process is increased through reverse negative pressure air draft while secondary water cooling is conducted, and the cooling efficiency is improved. And the sucked air can be used for blowing water spots on the film to remove water.

The utility model relates to the technical field of continuous casting equipment, in particular to a spraying device for a horizontal section of a continuous casting machine, which comprises supporting columns which are rectangular bases and are arranged on two sides of a conveying line of the horizontal section of the continuous casting machine, a positioning frame is arranged above the supporting columns, and the upper end of the positioning frame and a limiting plate are arranged in an L shape. According to the spraying device for the horizontal section of the continuous casting machine, the spraying pipe is in butt joint with the flow dividing box and the liquid inlet pipe in the device, uniform flowing of cooling liquid is achieved, the spraying heads are arranged at the bottom end of the spraying tank at equal intervals, so that the cooling liquid can uniformly cover the surface of a casting blank when sprayed out, the situation that local cooling is excessive or insufficient is avoided, and meanwhile the cooling efficiency is improved. The pipelines are arranged at the bottom end of the flow dividing box at equal intervals, the three pipeline ports connected with the spraying tanks are arranged on the flow dividing hose, it is guaranteed that each spraying tank can obtain uniform and sufficient cooling liquid supply, and it is further guaranteed that the cooling liquid is evenly distributed on the surface of the whole casting blank.

The present invention discloses a high-speed electric spindle eccentricity tester calibration device and method, the high-speed electric spindle eccentricity tester calibration device comprises: a base, a high-speed electric spindle machine is installed on the base, the high-speed electric spindle machine has a spindle drive system and a test spindle, the test spindle is connected to the spindle drive system, a tester placement platform is provided on the base, the test spindle faces the tester placement platform; also includes a controller for controlling the spindle drive system and at least two laser displacement sensors, the laser displacement sensors face the test spindle, and the optical axes of each laser displacement sensor intersect, and the laser displacement sensor and the controller are both electrically connected to a data processor. The present invention can realize the measurement of the electric spindle eccentricity tester in a high-speed state, which is more in line with the actual application occasions of the electric spindle eccentricity tester.

The invention discloses aluminum alloy continuous casting and rolling electromagnetic treatment equipment and method, and relates to the technical field of metallurgy, the aluminum alloy continuous casting and rolling electromagnetic treatment equipment comprises a treatment tank, a heating module, a magnetic field excitation module and a supporting module, the treatment tank is used for containing aluminum alloy melt, and the heating module is located at the bottom of the treatment tank and used for heating the aluminum alloy melt in the treatment tank; the magnetic field excitation module is located on the outer wall of the treatment tank and used for exciting a pulsed magnetic field, the pulsed magnetic field penetrates through the side wall of the treatment tank and acts on the molten aluminum alloy, and the supporting module is installed at the lower end of the magnetic field excitation module and can drive the magnetic field excitation module to ascend, descend and move. According to the method, refining of the electrical aluminum casting blank can be achieved, and therefore obtained electrical aluminum is free of grain refiner segregation and high in purity.

This invention relates to the field of hydrogen production technology through water electrolysis, and provides a low-energy-consumption constant-temperature water supply system for ultrapure water electrolysis hydrogen production. The system includes a PEM electrolyzer, an ultrapure water supply unit, a circulating water supply loop, a local purification and bypass unit, a data acquisition module, a data analysis module, an energy consumption determination module, and an energy consumption control module. The data analysis module determines the heat load matching parameters based on current, voltage, circulating flow rate, and inlet and outlet water temperatures, and determines the water quality characterization state and flow characterization state. The energy consumption determination module first determines whether the temperature rise represents the actual heat load. Under non-actual heat load conditions, the energy consumption control module determines the cause of abnormal energy consumption based on water quality and flow state, and performs pump reduction and cooling, short-term flow correction, local purification, or current density reduction control to reduce the additional energy consumption of the constant-temperature water supply.

The invention discloses a page turning type glass tunnel furnace. The page turning type glass tunnel furnace comprises a furnace body, a plurality of conveying units, a driving assembly and a first hot air assembly. A drying channel is defined by the furnace body, a feeding port and a discharging port which are opposite and spaced are formed in the side wall of the furnace body in the first direction of the furnace body, and the feeding port and the discharging port both communicate with the drying channel; the conveying units are movably arranged in the furnace body at intervals in the circumferential direction of the furnace body, each conveying unit comprises a plate frame and a supporting rod, the supporting rods are obliquely arranged on the top wall of the plate frame, and a glass plate is supported on the top wall of the plate frame; the driving assembly is used for driving the plate frame to circularly move between the feeding port and the discharging port in the circumferential direction of the furnace body. The first hot air assembly is used for blowing hot air into the furnace body. When the length size and the width size of the glass plate are both large, the page-turning type glass tunnel furnace can simultaneously dry the preset number of glass plates under the small size, and therefore the occupied area of the page-turning type glass tunnel furnace can be reduced.

The utility model discloses a punch cooler adaptive to punch size positioning, which belongs to the technical field of punch coolers and is characterized by comprising a punch body, an inner tube is sleeved on the surface of the punch body, an outer tube is fixedly sleeved on the surface of the inner tube, and a mounting cavity is arranged between the outer tube and the inner tube. A positioning assembly is arranged in the inner pipe, a fixing assembly is fixedly connected to the bottom of the outer pipe, through the arrangement of the positioning assembly, when the punch body is inserted into the inner pipe, positioning can be rapidly completed, meanwhile, the relative position of the punch body and the inner pipe can be flexibly adjusted according to the size change of the punch body, and therefore the punch can adapt to punch bodies of various specifications; and through the arrangement of the fixing assembly, after the fastening screw is screwed into the thread groove of the annular clamping block, the positions of the fastening screw and the annular clamping block can be further fixed in the radial direction, it is ensured that the whole cooler still keeps stable connection when the punch body runs at a high speed, and cooling failure or equipment failure caused by looseness is avoided.

The utility model discloses a spray head structure for multi-material printing and 3D printing equipment, belongs to the technical field of 3D printing, and aims to solve the problems of non-uniform discharge and lack of protective measures of a spray head caused by standing of printing raw materials, the spray head structure comprises a mounting plate, a stirring mechanism is arranged at the top of the mounting plate, and a conveying pipe is fixedly connected to the rear end of the stirring mechanism. The stirring mechanism is arranged, the driving motor is started to drive the stirring blades to rotate, and the electric heating wires are mounted in the stirring blades, so that raw materials are heated while being uniformly stirred, and the stirring efficiency is improved. The situation that raw materials are cooled and precipitated too early due to long-time standing is avoided, discharging uniformity is guaranteed, and the printing effect is improved; and meanwhile, the protection cover connected through magnetic attraction is arranged to protect the spray head, and dust is prevented from entering the spray head to cause blockage and raw materials are prevented from dripping to the printing table to cause pollution.