1612results about How to "Uniform temperature" patented technology

The invention discloses a battery thermal runaway risk intelligent management method and system, and the method comprises the steps: matching corresponding cooling liquid cooperative ultrasonic cooling words according to different risk levels, i.e., absorbing heat generated by conventional operation of a battery through employing the higher specific heat capacity of cooling liquid when the risk is low and the working state of the battery is normal; and the heat control of the battery can be realized. In case of risks such as medium and the like, when a multi-dimensional sensing signal of the battery is slightly abnormal, circulation is started, so that the cooling liquid flows to take away heat generated by the battery, and the cooling liquid is excited to be slightly evaporated and vibrated to enhance heat exchange through relatively low-intensity ultrasonic waves so as to uniformize the temperature in the battery module. When the risk is high, the cooling liquid completely immerses the top of the battery to isolate oxygen, the flowing speed of the cooling liquid is increased to rapidly take away heat, high-strength and high-frequency ultrasonic waves are emitted, rapid evaporation and heat absorption of the cooling liquid are enhanced, the temperature is rapidly reduced, and thermal runaway of the battery is avoided.

The immersed battery pack thermal management system comprises a battery pack box body, the battery pack box body is provided with a containing cavity with an opening in the top, the containing cavity is filled with a cooling medium, and a liquid outlet is formed in the side wall of the bottom of the battery pack box body; the plurality of single batteries are arranged in the accommodating chamber and are immersed in the cooling medium; the phase change working medium is arranged in the accommodating chamber and surrounds the outer side of the single battery; the cooling box body is fixedly arranged at the top opening of the battery pack box body, the bottom surface of the cooling box body is provided with a communication port communicated with the accommodating cavity, and a liquid inlet is formed in the cooling box body; by combining static cooling, low-flow dynamic cooling, high-flow dynamic cooling and multi-layer thermal management of the phase-change material, the cooling strategy can be dynamically adjusted under different temperature conditions, efficient heat dissipation is ensured, the internal temperature of the battery pack is more uniform by using the phase-change working medium, a proper cooling mode is selected as required, and the cooling efficiency is improved. And unnecessary energy consumption is avoided.

The invention relates to the technical field of animal husbandry and veterinary equipment temperature control, in particular to an animal husbandry and veterinary vaccine low-temperature regulation and storage system which comprises a temperature monitoring module, a temperature balance regulation and control module, a refrigeration management module, a temperature disturbance detection module and a partition regulation module. Wherein the temperature monitoring module is used for collecting temperature data of each area; the temperature balance regulation and control module is used for analyzing the temperature difference of each region and generating a temperature regulation and control scheme; the refrigeration management module is used for adjusting the working power and cold air output of refrigeration equipment; the temperature disturbance detection module is used for detecting temperature fluctuation caused by external environment change or operation behaviors so as to adjust a temperature regulation and control scheme; and the partition adjustment module is used for dividing the storage space into a plurality of independent partitions. According to the invention, the problem of uneven temperature stratification is solved through partitioned independent temperature control, different vaccines are ensured to be stored at the optimal temperature, and meanwhile, the energy efficiency and the temperature control flexibility are improved.

The utility model discloses a multi-battery pack energy storage system water cooling unit and an energy storage cabinet applied by the same, a plurality of circulating water cooling pipelines connected in parallel are adopted, and each battery pack is correspondingly distributed with one independently controlled circulating water cooling pipeline; a circulating pump, a flow regulating valve, a heater and a heat exchanger are arranged on each circulating water cooling pipeline in series; a water inlet and a water outlet of each circulating water cooling pipeline are respectively butted to the liquid cooling unit of the corresponding battery pack; each battery pack is provided with a temperature sensor, the liquid cooling unit corresponding to each battery pack is provided with a pressure sensor, the water cooling unit further comprises a liquid cooling controller, and the input end of the liquid cooling controller is in communication connection with the temperature sensors and the pressure sensors of all the battery packs and the liquid cooling units. And the output end is in communication connection with the circulating pump, the flow regulating valve and the heater on the circulating water cooling pipeline corresponding to each battery pack. According to the utility model, balanced temperature control among the multiple battery packs of the energy storage system is realized, and the reliability of the whole system is improved.

The invention belongs to the technical field of radio frequency microsystem integration, and particularly relates to a heat dissipation structure based on a three-dimensional heterogeneous integrated radio frequency microsystem, the heat dissipation structure comprises a packaging box and a heat dissipation assembly installed on the side wall of the packaging box, the heat dissipation assembly comprises a U-shaped air pipe and a fan, a plurality of packaging modules are installed in the packaging box, and the U-shaped air pipe is connected with the fan. Each packaging module is installed between two ports of the U-shaped air pipe, the multiple packaging modules are connected through the BGA solder balls, the fans are installed in the two ports of the U-shaped air pipe, and the sealing cover is packaged on the top of the packaging box. Each packaging module is installed between the two ports of the U-shaped air pipe, when each module in the packaging box works, the fan in the U-shaped air pipe drives gas at the top of the packaging module to circulate towards the bottom of the packaging module, then gas flowing among the packaging modules is accelerated, and the packaging efficiency is improved under the condition that it is guaranteed that the packaging box is sealed. And the effect of uniform heat dissipation of each packaging module is realized.

The invention discloses a method and equipment for rapidly and continuously preparing carbon nano tubes with adjustable tube diameters, which are used for continuously and rapidly preparing carbon nano tubes with different tube diameters and at least comprise a catalyst precursor atomizing chamber, a plasma device, a carbon nano tube preparation reactor, a collector and a tail gas treatment device. A catalyst precursor solution enters the atomizing chamber through the injection pump to be atomized, atomized mist enters the plasma treatment device and then enters a reaction from a sample inlet in the upper portion of the reactor, after the reaction in the reactor is completed for a short time, the carbon nanotubes are collected from a collecting device on the lower portion of the reactor, and tail gas can be returned to the reactor after being filtered by the filter. The tail gas can be repeatedly used; and the continuous preparation of the carbon nano tubes with different tube diameters can be realized.

The invention discloses an artificial board formaldehyde emission amount detection device, and belongs to the technical field of artificial board formaldehyde emission amount detection.The artificial board formaldehyde emission amount detection device comprises a climate box body, a detection cavity with an opening in one side is formed in the climate box body, a sealing door is installed at the opening of the detection cavity, and an air inlet cavity is formed in the bottom wall of the detection cavity; a mounting seat is arranged on the upper wall of the air inlet cavity, a supporting plate is arranged at the upper end of the mounting seat, a rotary plate clamping device is arranged on the supporting plate in a sliding and pulling mode, a driving mechanism for driving the rotary plate clamping device to rotate is arranged on the supporting plate, and a self-adaptive uniform air expansion mechanism is rotationally connected to the mounting seat. And the upper end of the air inlet cavity is connected with the self-adaptive uniform air expansion mechanism. According to the device for detecting the formaldehyde emission of the artificial board, the air inlet direction can be continuously adjusted and changed around the test piece, the uniformity of airflow is ensured, and meanwhile, the test piece continuously rotates, so that the test piece is in uniform contact with the airflow.

The utility model relates to the field of waste gas treatment, and discloses an electric heating RTO for waste gas treatment, which comprises an upper chamber body, an oxidizing chamber I, an oxidizing chamber II and an oxidizing chamber III are arranged in the upper chamber body, and an electric heater I is arranged between the oxidizing chamber I and the oxidizing chamber II. A second electric heater is arranged between the second oxidizing chamber and the third oxidizing chamber, a cantilever crane is fixedly connected to the upper portion of the upper chamber body, a lower chamber body is arranged at the bottom of the upper chamber body, a valve system is arranged on the front portion of the upper chamber body, and the lower chamber body comprises three heat storage chambers. The upper parts of the three heat storage chambers are fixedly connected to the bottoms of the oxidation chamber I, the oxidation chamber II and the oxidation chamber III respectively. The utility model aims to improve and adopt a modular structure, is convenient to install, optimizes the fluency of the flow channel, ensures the uniformity of the internal temperature, and controls the temperature below 1500 DEG C, so that the emission of nitrogen oxides is avoided, and the treatment efficiency is higher.

The invention discloses vacuum brazing equipment and method for a plate-fin heat exchanger, relates to the field of welding, and aims to solve the problems of low heating efficiency and difficulty in deformation control caused by structural characteristics of the plate-fin heat exchanger and characteristics of vacuum radiation heating at present. Structures such as a hydraulic control system, an upper water-cooling sealing conductive pressure head, a lower conductive base and a tool are added on the basis of traditional vacuum brazing equipment, the structures are compounded with a furnace pipe, an upper electrode of the upper water-cooling sealing conductive pressure head is of a distributed structure and can move up and down through the hydraulic control system, and the upper electrode of the lower water-cooling sealing conductive pressure head can move up and down through the tool. And by matching with a tool, a workpiece can be always stressed uniformly, and continuous and stable self-resistance extremely-fast heat generation electrifying can be ensured. Double-feedback series control is adopted to achieve double-heat-source heating, the heating process time is shortened, a pressure-temperature coupling control method is adopted, it is ensured that stress is uniform, deformation is reduced, and the heating efficiency and the welding quality consistency are improved. And rapid and uniform heating and small deformation control of the workpiece can be realized.

The utility model belongs to the technical field of heat management, and discloses a heat management integrated device which comprises a compressor, a heating assembly and a controller, the heating assembly comprises a shell and a heating piece arranged in the shell, the shell is provided with a heat exchange cavity, and the shell is provided with a circulation inlet and a circulation outlet which are communicated with the heat exchange cavity. The controller is provided with a heat exchange cavity, the heating piece is used for heating a heat exchange medium in the heat exchange cavity, the compressor and the shell are fixed to the two opposite sides of the controller respectively, the compressor and the heating piece are in communication connection with the controller, the controller is provided with an installation cavity, and a plurality of IGBTs are arranged in the installation cavity and attached to the cavity wall of the side, close to the shell, of the installation cavity. The heat management integrated device provided by the utility model can carry out reliable, uniform and stable heat dissipation on the IGBT in the controller on the basis of ensuring the integrated design of the compressor, the heater and the controller.

The invention relates to a mushroom cultivation technology, and discloses a rotary frame type mushroom planting square cabin and a using method thereof.The rotary frame type mushroom planting square cabin comprises a rotary frame supporting structure installed in the planting square cabin, and a rotary rail is installed below the rotary frame supporting structure; the rotary track is arranged in the planting square cabin in a reciprocating snake shape, and is connected to form a closed comb-shaped curve track at the cabin door of the planting square cabin through a linear track; a detachable hanging bracket used for placing a grid frame is installed below the rotary rail, and the rotary rail is connected with the hanging bracket through suspended idler wheels. The gear transmission mechanism is positioned above the linear track, is used for driving the roller to rotate along the rotary track, and is connected with a chain on the rotary track through a gear; and the hanging bracket and the grid frame move along with the rolling wheels under the traction of the rolling wheels. According to the rotary frame type mushroom planting square cabin, the space of the planting square cabin can be utilized to the maximum extent, and the planting density and the production efficiency of the mushroom planting square cabin are improved.

The invention provides a polycrystalline diamond material with a double-peak structure and a preparation method of the polycrystalline diamond material, and relates to the technical field of superhard materials. The polycrystalline diamond material comprises the following raw materials: nano onion carbon and micron graphite, and the preparation method comprises the following steps: weighing the nano onion carbon and the micron graphite, carrying out mechanical grinding treatment, fully mixing to obtain mixed powder, pressing the mixed powder with a mold, and wrapping with boron nitride to obtain a green body; and the blank is loaded into a high-temperature and high-pressure synthesis cavity for high-temperature and high-pressure synthesis treatment, then heat preservation and pressure maintaining treatment is carried out, cooling and pressure relief treatment are carried out, and the polycrystalline diamond material with the double-peak structure is obtained. According to the method disclosed by the invention, the grain size with a'double-peak structure 'is constructed in the polycrystalline diamond, so that the fracture toughness of the polycrystalline diamond is improved by more than two times while high hardness is maintained, the extremely-hard and high-toughness polycrystalline diamond is successfully synthesized, and a reference is provided for toughening of other ceramic materials.

The invention discloses a high-safety battery heat management system with high-temperature heat dissipation, low-temperature heating and heat spread suppression considered. The high-safety battery heat management system comprises a power battery pack and a heat management system, the power battery pack comprises a battery pack consisting of a plurality of square battery cells and a large-scale battery module formed by connecting the battery packs in parallel; a plurality of battery cells are connected in series in each battery pack, the battery packs are vertically arranged, the large-scale battery module is formed by horizontally arranging the battery packs, and each battery pack comprises equal or unequal battery cells; the thermal management system comprises a flexible flame-retardant phase-change material, a liquid cooling plate, a heating film and aerogel; a part of side surfaces between the battery cells are uniformly filled with a flexible flame-retardant phase-change material, the other side surfaces are wrapped by aerogel, the bottoms of the battery cells are connected with an integrated unit of a heating film and a liquid cooling plate, and the heating film is positioned at the positions of the battery cells for heating; the battery pack is cooled through water cooling and phase change latent heat; heating the battery pack through a heating film at the bottom of the battery cell; and the thermal runaway of the battery is inhibited through the combination of the flexible flame-retardant phase-change material and the aerogel.

The invention discloses a device and a method for quenching and tempering glass, and relates to the technical field of glass tempering. The tempering device comprises a tempering table, wherein a tempering mechanism and an adjusting mechanism are arranged in the tempering table; the tempering mechanism comprises two groups of limiting plates fixedly mounted between the inner walls of the tempering table, the limiting plates are symmetrically arranged, a cooling box is arranged below the limiting plates, and a plurality of groups of cooling openings are fixedly formed in the bottom of the cooling box. The distance between the cooling openings and the cooling time can be automatically adjusted according to the width degree of the glass, the wide glass is usually thick or large in area, when the distance between the cooling openings is increased, cooling air flow can more evenly cover the surface of the glass, the situation that too strong air flow is concentrated in a certain part, and consequently local temperature is suddenly lowered is avoided, and the service life of the glass is prolonged. Therefore, the phenomenon of local supercooling or superheating is reduced, and the situation that part of the surface of the glass cannot be in contact with cooling air when the glass is too wide is prevented.

The invention relates to the technical field of heat storage equipment, in particular to heat storage and exchange integrated solid particle heat storage equipment which comprises a heat insulation barrel, a material containing barrel, a solid heat exchange pipe, a recovery pipe and a separation device. The material containing barrel is coaxial with the heat insulation barrel and located in the heat insulation barrel, and the material containing barrel is filled with solid particles. And the solid heat exchange tube is arranged in the material containing barrel. A turbofan is arranged in the recovery pipe, and the separation device is installed on the material containing barrel. According to the solid particle heat storage equipment integrating heat storage and heat exchange, by arranging the heat insulation barrel, the material containing barrel, the solid heat exchange pipe and the separation device, solid particles continuously and circularly flow in the heat storage or heat exchange process, the solid particles can make full contact with the solid heat exchange pipe, and then the heat exchange efficiency of the solid particles and the solid heat exchange pipe is improved; and the temperature of the solid particles is more uniform.

The invention discloses a sulfuric acid decomposition reactor, which comprises a metal inner shell filled with a heat conduction material layer; a heated part of the heat exchange type reaction assembly is inserted into the metal inner shell and is wrapped by the heat conduction material layer; and the heating end of the electric heating rod is inserted into the metal inner shell and is wrapped by the heat conduction material layer. The electric heating rod is used for heating, uniform temperature in the metal inner shell is guaranteed through the heat conduction material layer, a high-temperature gas loop is not needed, equipment operation and manufacturing are simplified, the requirement for sealing performance is lowered, equipment reliability is improved, temperature distribution in the metal inner shell is improved through the use of the heat conduction material layer, and the service life of the equipment is prolonged. And the decomposition efficiency is improved.

The invention relates to a heat dissipation optimization method and system for a radio frequency front-end module and related equipment. The method comprises the following steps: acquiring a layout of a power amplifier in the radio frequency front-end module; continuously dividing the layout into a plurality of temperature regions according to the thermal performance of the power amplifier; obtaining an original spacing between transistors in the power amplifier; according to the original spacing, transistor optimized spacing between the transistors in the different temperature areas is obtained again; rearranging the transistors of the power amplifier according to the optimized intervals of the transistors to obtain an optimized layout; and obtaining the optimized heat dissipation optimization radio frequency front-end module according to the optimized layout. According to the invention, the layout of the transistors in the power amplifier is adjusted, so that the distance between the transistors with relatively high heat is enlarged, and the radio frequency performance of the radio frequency front-end module is improved.

The utility model discloses a hippeastrum hippeastrum constant-temperature culture device, which relates to the technical field of plant culture and comprises a box body, a protective door and a PLC (programmable logic controller), a protective door and a PLC are arranged on the front face of the box body, an illumination system is arranged at the top end in the box body, a ventilation system is arranged on the outer side of the side wall of the box body, the box body communicates with the outside through the ventilation system, a temperature adjusting system is arranged on the inner side of the side wall of the box body, and an irrigation system is arranged at the bottom end in the box body. The bottom of the planting groove is communicated with an irrigation system through a filter screen. The illumination system is arranged, so that the color and the illumination condition can be adjusted; a ventilation system is arranged, the ventilation effect is good, and carbon dioxide can be provided; the temperature adjusting system is arranged, the refrigerating and heating functions are achieved, and the adjusting capacity is high; the irrigation system is arranged, water and fertilizer can be provided, and water accumulation is avoided; the double-layer protective door is arranged, so that the growth condition of hippeastrum hippeastrum can be observed on the premise of not influencing the internal environment of the box body.

The invention relates to a butterfly valve steel ladle bottom argon blowing refining device and a using method thereof.The butterfly valve steel ladle bottom argon blowing refining device comprises a support and a molten steel containing component arranged on the support, and the molten steel containing component comprises a steel ladle barrel arranged on the support and a ladle wall brick arranged in the steel ladle barrel; a center air brick is embedded in the center of the ladle wall brick, a plurality of eccentric air bricks are arranged at the eccentric position of the ladle wall brick at equal intervals along the circumference, and air guide holes corresponding to the center air brick and the eccentric air bricks are formed in the bottom of the steel ladle cylinder. Finally, during working, the device integrates the eccentric argon blowing function and the central argon blowing function, the refining effect on molten steel can be effectively improved, and reliable guarantee is provided for the performance of a final butterfly valve finished product.

The invention discloses an energy-saving temperature control system of a roasting oven and a temperature control method of the energy-saving temperature control system, and relates to the technical field of cooking equipment control, and the system comprises a heating module which is used for uniformly heating the oven according to a preset temperature target in a preheating stage; the temperature acquisition module comprises a plurality of temperature sensors arranged in the oven and is used for acquiring temperature data of different positions in the oven in real time, specifically, adaptive sliding mode control is applied, and when temperature change is detected, sliding mode control makes a response by adjusting sampling frequency and filtering parameters of the sensors; according to the energy-saving temperature control system of the curing oven and the temperature control method of the energy-saving temperature control system, the problems of low baking efficiency and unstable baking quality caused by uneven temperature of a traditional oven are solved, the oven can keep stable and reliable performance in different cooking modes, the temperature and heat distribution in the oven can be automatically monitored and adjusted, and the energy-saving temperature control system of the curing oven and the temperature control method of the energy-saving temperature control system of the curing oven are suitable for popularization and application. And the operation of a user in the baking process is simpler and more convenient.

The utility model relates to a die-casting die, which belongs to the field of die-casting dies and comprises a movable die component and a static die. Die-casting cavities are respectively formed in the opposite surfaces of the static die and the movable die assembly; an injection nozzle communicated with the die-casting cavity is arranged on the static die; a U-shaped cooling water cavity is formed in the injection nozzle; the movable mold assembly comprises a movable mold base, a push plate, a push rod fixing plate, a cylindrical push rod, a reset push rod, a demolding push rod and a movable mold body; the die-casting cavity is formed in the movable die body; the push rod fixing plate, the push plate and the movable mold base are sequentially arranged on the movable mold body from inside to outside; according to the injection nozzle structure disclosed by the utility model, the structures of the movable mold assembly and the static mold are combined, so that the technical problems that the injection nozzle is easy to strain and pock marks occur are effectively solved, the service life of the injection nozzle is prolonged, the bonding between a die casting and the static mold is reduced, the demolding efficiency is improved, and the integrity of the casting is ensured.

The invention relates to a temperature adjusting system and method in the spreading and airing process. The temperature adjusting system comprises an interlocking mechanism used for containing materials needing to be cooled. The negative pressure suction module is used for providing a negative pressure suction effect for the interlocking mechanism so as to form a negative pressure environment in the interlocking mechanism; the temperature monitoring module is used for collecting temperature information in the interlocking mechanism, the control module is in signal connection with the negative pressure suction module and the temperature monitoring module, and the control module is configured to control the working state of the negative pressure suction module according to temperature changes of materials in the interlocking mechanism. According to the invention, a complex equipment combination is replaced by a set of system. Therefore, the number of equipment is reduced, the space utilization rate is greatly improved, and the production environment is more efficient and neat. On the whole, by means of the innovative cooling method and system integration scheme, the production efficiency is improved, the production cost is reduced, and a solid foundation is laid for the intelligent process of the wine brewing industry.

The invention provides a battery cell temperature control method, system and device of an energy storage system and a medium. The method comprises the steps that the temperature value of each battery cluster and the flow value of cooling liquid in a cold plate on the corresponding side are obtained in real time; analyzing and comparing the temperature value of each battery cluster to determine the battery cluster with abnormal temperature; determining an abnormal type and an adjustment coefficient according to the temperature value of the battery cluster with the abnormal temperature; and generating a corresponding control command according to the abnormal type and the adjustment coefficient, and controlling the opening degree of a secondary flow valve in the cold plate on the corresponding side so as to adjust the temperature of the battery cluster. The heat dissipation efficiency and safety of the battery can be improved, and the service life of the battery is prolonged.

The invention discloses automatic fermentation equipment for tea processing, and relates to the technical field of tea fermentation, the automatic fermentation equipment comprises a box body and a sealing door arranged on the box body, a separation frame body is fixed on the box body, the automatic fermentation equipment further comprises a guide groove fixed on the separation frame body, a tea tray is connected to the guide groove in a sliding manner, a humidifying unit is arranged on the box body, and the tea tray is connected to the guide groove in a sliding manner. The humidifying unit is used for increasing the humidity of air in the box body; the humidifying unit is arranged on the box body, the air exhaust unit is arranged on the box body and used for exhausting air in the box body out of the box body, the water coagulation beads on the tea tray are removed through a coagulation bead removing mechanism on the guide groove, the coagulation bead removing mechanism is matched with the air exhaust unit, and a controller matched with the humidifying unit and the air exhaust unit is arranged on the box body; the multiple air suction pipes are adopted to suck water vapor, the problem of gas retention caused by a traditional exhaust mode can be solved, the innovative method improves air flow, water vapor accumulation is avoided, the stability of the tea fermentation environment is ensured, and the fermentation quality is improved.

The invention relates to the technical field of generators, and discloses a generator with an excellent heat dissipation effect, which comprises a shaft core, an inner core arranged outside the shaft core, a right half shell and a left half shell which are respectively arranged on the left side and the right side of a shell, and a heat absorption sleeve fixedly arranged outside the inner core, the stator is fixedly clamped between the right half shell and the left half shell, the stator is located outside the rotor and sleeved with the heat absorption sleeve, the inner hollow arc shell comprises an initial position and a set position, and when the inner hollow arc shell is located at the initial position, the inner hollow arc shell is parallel to the central axis of the shaft core. The temperature stability of the inner core is ensured by absorbing the local stability of the heat absorption sleeve, and when the temperature of the inner core is not uniform, the heat absorption sleeve is used for receiving, meanwhile, material aging caused by local overheating is prevented, the influence of thermal stress on the whole structure is reduced, the reliability and stability of equipment are improved, the service life of the equipment is prolonged, and high-performance operation of the equipment is kept.

The invention provides a hydrogen combustion device and system, belongs to the technical field of combustors, and aims at solving the problem that high-concentration oxynitride is generated due to the fact that the combustion flame temperature of an existing hydrogen combustion device is high. The device comprises a burner shell, a burner cover and a burner cover, a cavity is formed in the burner shell, the burner shell is connected with a boiler body, and the cavity is communicated with a hearth in the boiler body; the combustor shell is connected with a hydrogen header pipe, a flue gas header pipe and an air header pipe; a pre-combustion assembly and a post-combustion assembly; the pre-combustion assembly is used for spraying hydrogen and air into the hearth and mixing the hydrogen and the air to form first mixed gas; the rear combustion assembly is used for spraying hydrogen, flue gas and air into the hearth and mixing the hydrogen, the flue gas and the air to form second mixed gas; the first combustion assembly comprises an ignition part, the ignition part is used for igniting the first mixed gas, and the ignited first mixed gas is used for igniting the second mixed gas.

The invention discloses a technological method for refining oxygen-free copper plate crystal grains. The technological method comprises the following steps that an electrolytic copper plate is placed in a furnace bin to be melted, the surface of the electrolytic copper plate is covered with charcoal, semi-continuous casting billet drawing is carried out, and an oxygen-free copper cast ingot is produced; the oxygen-free copper casting blank is put into a heat preservation furnace to be preheated, the preheating temperature ranges from 800 DEG C to 900 DEG C, and the heat preservation time ranges from 2 hours to 3 hours; the preheated cast ingot is subjected to upsetting and drawing, the upsetting deformation is 50%-60%, the cast ingot is drawn to 150%-160% of the original cast ingot, and the upsetting and drawing times are 3-4 times; warm forging and square drawing are started, the warm forging temperature ranges from 700 DEG C to 750 DEG C, the cast ingot is upset to 50%-60% of the original length, square drawing is conducted to the needed blank length, and the final forging temperature is kept to be larger than or equal to 700 DEG C; the blank is cooled to the room temperature, cold forging is started, multiple passes of cold forging are conducted, the rolling reduction of each pass is 10%-15%, and the final cold forging deformation is 30%-60%; and the oxygen-free copper blank obtained after cold forging is subjected to aging heat treatment, the aging heat treatment temperature ranges from 350 DEG C to 450 DEG C, the aging heat treatment time ranges from 1 h to 2 h, air cooling is conducted after annealing, and the oxygen-free copper plate is obtained.

The invention discloses a discharging device for a PVC (polyvinyl chloride) pelletizer, and relates to the technical field of pelletizers, the discharging device comprises a connecting mounting port, under the cooperation of a dynamic uniform cooling assembly, the temperature of materials is effectively reduced, local supercooling or hot spots are avoided, uniform cooling and surface quality of discharged materials are ensured, efficient and uniform cooling of PVC particles is realized, and the service life of the PVC pelletizer is prolonged. The cooling effect is ensured, meanwhile, the problem of local supercooling or hot spots caused by a traditional cooling mode is solved, the discharging quality is remarkably improved, the problem that during large-batch discharging, air cooling cannot effectively cool all hard materials in time, and consequently materials poor in cooling can be accumulated and blocked at a discharging port is solved, and under cooperation of the uniform cooling assembly, the discharging quality is improved. The superconducting magnet alloy bearing plate can dynamically adjust the bearing angle according to the material falling speed under the action of the magnetic field generation regulator, and it is ensured that the stability and efficiency of the cooling effect can be maintained even in the continuous production process.

The invention relates to a synthetic quartz bar deposition device and method.The device comprises a reaction cavity used for deposition and a rotary lifting suspender stretching into an inner cavity of the reaction cavity, the upper end of the rotary lifting suspender is connected with a vertical lifting mechanism and a rotary chuck, and the lower end of the rotary lifting suspender is connected with a glass target bar; the device is characterized in that the blow lamp assembly comprises a horizontal moving support, an inclined telescopic rod is arranged at the upper end of the horizontal moving support, and the front end of the inclined telescopic rod is connected with a blow lamp capable of swinging up and down. According to the method, the spraying range can be expanded, the deposition uniformity can be improved, the temperature distribution of a deposition area can be more uniform, the axial uniformity and the radial uniformity of a deposited bar can be improved at the same time, and therefore the deposition stability and the quality of the deposited bar are improved.

The invention discloses a graphite electrode roasting device based on a thermal uniformity effect, and relates to the field of graphite electrode processing equipment.The graphite electrode roasting device comprises a roasting furnace, the roasting furnace comprises a furnace shell, a roasting chamber is arranged in the furnace shell, mounting chambers are arranged on the two sides of the roasting chamber, and a fuel gas inlet pipe is communicated with the interior of the roasting chamber; and a controller is fixed on the top surface of the furnace shell. According to the graphite electrode roasting device based on the thermal uniformity effect, a worm, a worm gear and a lead screw can be driven by a second servo motor to rotate together, and then a sliding block and a sliding rod are driven by the lead screw to move in the axial direction of the lead screw; a first trapezoidal block is pushed by a sliding rod, so that a second trapezoidal block and a connecting plate can drive a first placement plate to move upwards under the limitation of a fixing column, and then the graphite electrode is lifted through the first placement plate, so that the bottom of the graphite electrode can be intermittently heated, the graphite electrode cannot be damaged, and the service life of the graphite electrode is prolonged. And all parts of the graphite electrode are uniformly heated.