19results about How to "Stable temperature field" patented technology

The invention discloses an electricity, gas and suspension three-composite lithium ore roasting kiln system and process. The alpha-type spodumene is converted into the beta-type spodumene through constant-speed drying and preheating of a suspension preheating device, primary roasting of an electric heating kiln and secondary roasting of a gas kiln. Compared with traditional transformation roasting of spodumene in a rotary kiln with natural gas as fuel, the method has the advantages that the temperature of spodumene is increased to 600-800 DEG C through preheating of the suspension preheating device and one-time roasting of the electric heating kiln, only the rear-section temperature rising work needs to be completed in the gas kiln, a large amount of natural gas resources can be saved, meanwhile, emission of carbon dioxide is reduced, and the production cost is reduced. The device accords with the national carbon neutralization policy, and is very suitable for being used in areas which are lack of natural gas, rich in electric power reserve or low in electricity price and high in environmental protection requirement.

The invention discloses a multi-channel synchronous control temperature field balance control system and a temperature field air fluid balance control algorithm, the system comprises a computer, a high temperature test box and a PLC controller, the PLC controller is connected with and controls a servo cross-flow fan blade module through an EtherCAT communication technology, and the PLC controller is connected with the servo cross-flow fan blade module based on the temperature field air fluid balance control algorithm. And precise and balanced control of air fluid in the test box is realized. Compared with the prior art, the multi-channel synchronous control temperature field equalization control system and algorithm have the advantages that the uniformity of the temperature field can be effectively controlled, the control precision of the temperature field is high, and the response speed is high.

The utility model relates to the technical field of lead storage battery production, in particular to lead storage battery cast welding equipment. Comprising a battery clamping assembly, a bottom plate is arranged below the battery clamping assembly, a lead pan is fixed to the upper end of the bottom plate, a vertical lower air cylinder is fixed to the portion, on one side of the lead pan, of the bottom plate, an inverted-L-shaped connecting rod is fixed to the telescopic end of the lower air cylinder, a cast-weld mold is fixed to the connecting rod, a support is fixed to the portion, on the other side of the lead pan, of the bottom plate, and a motor is fixed to the upper end of the support. A rotating rod is concentrically fixed to an output shaft of the motor, a scraping rod is fixed to the upper end of the rotating rod, a fixing plate is fixed to one side of the rotating rod, a connecting plate is arranged on the rotating rod below the fixing plate in a sliding mode, the fixing plate is connected with the connecting plate through a vertical lifting air cylinder, and a cooling plate is fixed to the connecting plate. A motor is adopted to drive a scraping rod and cooling plate linkage structure, after the scraping rod scrapes redundant lead liquid on the surface of a mold in real time, the cooling plates designed in a staggered mode can immediately conduct directional cooling on the cast-weld mold, and the production takt time is remarkably shortened.

The invention relates to the technical field of crystal growth, in particular to a liquid phase method crystal growth device and method. A liquid phase method crystal growth device comprises a cavity, a crucible is installed in the cavity, a hollow cylindrical structure is installed at the bottom of the crucible, a partition plate is arranged in the cylindrical structure, and the lower surface of the partition plate is connected with a lifting mechanism. The lifting mechanism is used for driving the partition plate to move up and down between the position A and the position B along the inner wall of the cylindrical structure and supporting the partition plate to be fixed to any position between the position A and the position B, and the position A is higher than the position B; a gas interlayer can be formed between the partition and the lower surface of the crucible bottom. The partition plate is arranged below the bottom of the crucible, after polycrystalline silicon carbide is generated at the bottom of the crucible, the partition plate is moved downwards, a gas interlayer is formed between the lower surface of the bottom of the crucible and the partition plate, the phenomenon that heat dissipation of the bottom is enhanced due to the fact that the polycrystalline silicon carbide has high heat conductivity is counteracted, and therefore the stability of a temperature field in a solution is guaranteed.

The invention provides a positionable electronic cigarette production welding device, and relates to the technical field of laser welding. The electronic cigarette production welding device capable of achieving positioning comprises a control cabinet assembly and a control PC arranged on the control cabinet assembly, the control PC serves as an upper control unit of the control cabinet assembly, a visual laser welding machine is installed on the upper side wall of the control cabinet assembly, a three-axis numerical control machining platform is installed on the outer side wall of the control cabinet assembly, and the three-axis numerical control machining platform is connected with a laser welding machine. A heating wire welding box assembly is installed on the platform surface of the three-axis numerical control machining platform and comprises a welding outer box. The high-pressure air curtain is used for isolating inert gas in the welding outer box, the inert gas only keeps low flowability, the heat dissipation speed of a welding area is reduced, a stable temperature field of the welding area is helped to be maintained, effective input and utilization of welding energy are guaranteed, flue gas is prevented from being directly condensed on the periphery of the welding area due to low temperature, and the welding efficiency is improved. And therefore, the overall quality of laser welding is improved.

The utility model relates to the technical field of kiln structures and lining supporting members in kilns, in particular to a glass kiln and a supporting device for a lining of the glass kiln, which comprises a supporting frame connected to the wall of the kiln, an insulation board slidably arranged in an opening in the wall of the kiln, a first spring and a heat-resistant force transmission assembly. Wherein the two ends of the first spring elastically abut against the supporting frame and the heat preservation plate correspondingly, and the two ends of the heat-resisting force transmission assembly are connected to the heat preservation plate and a furnace lining of the glass kiln correspondingly so that the elastic force of the first spring can be transmitted to the furnace lining. When the glass kiln works, the furnace lining is heated and expanded to generate pressure on the heat-resisting force transmission assembly, the heat-resisting force transmission assembly transmits the pressure to the first spring through the heat preservation plate, and the supporting frame supports the first spring, so that the supporting frame generates elastic force on the heat preservation plate to support the heat-resisting force transmission assembly and further support the furnace lining. The supporting device directly supports the furnace lining in the glass furnace, so that the stability of a temperature field in the glass furnace can be ensured, and the service life of the glass furnace is prolonged.

The invention relates to the field of laser processing, and discloses a gain optical fiber with low numerical aperture and stable absorptivity, an optical fiber laser and laser processing equipment, the gain optical fiber comprises a gain fiber core, a step layer and a cladding, the refractive index of the gain fiber core, the refractive index of the step layer and the refractive index of the cladding are sequentially reduced, the gain optical fiber has stable pump light absorptivity at the wave band of 900-1000 nm, and the step layer and the gain fiber core form a low numerical aperture structure. The gain optical fiber with low numerical aperture and stable absorptivity has high absorptivity for pump light in a wide wavelength range, the influence of the fluctuation of the central wavelength of the pump light on the light output power of the gain optical fiber is reduced, and the stability of the power output by the gain optical fiber is improved; the step layer is arranged between the cladding and the gain fiber core, so that the numerical aperture of the gain fiber core is reduced, the laser output with high beam quality is maintained, the unstable power threshold of a transverse mode is increased, and the optical coupling efficiency and the stability of the transverse mode output by the gain fiber are improved.

The utility model discloses a graphite water separation dehydration device which comprises a dehydration tank body, an upper cover, a transmission bin and a water storage bin, a moisture exhaust fan is arranged in the upper cover, a stirring device is arranged at the bottom of the dehydration tank body, a transmission mechanism of the stirring device is arranged in the transmission bin, and a water storage device and a heating pumping device are arranged in the water storage bin. A stirring device is arranged in the dewatering tank body, a drying tank is arranged above the stirring device, a liquid supply channel is arranged in the side wall of the drying tank, the drying tank is communicated with the heating pumping device through a guide pipe, a lifting device is arranged on one side of the dewatering tank body, and the lifting device is connected with the drying tank. And meanwhile, the drying position can be flexibly controlled, the drying tank is adjusted to be in full contact with the graphite, and the drying effect is ensured.

The present application relates to a kind of wide temperature range temperature parameter black box tester, belong to industrial measurement and control technical field.The multistage temperature tester protection structure is used, from outside to inside in turn includes fiber heat insulation layer, nano micropore heat insulation layer, phase change heat insulation layer, inner layer high reflection heat insulation layer and vacuum heat insulation layer;Vacuum heat insulation layer is vacuum cavity, and the outer side wall surface of which is equipped with heating sheet array and closed loop feedback control system, for active heat compensation under low temperature environment;Data instant transmission system uses high-temperature-resistant antenna to realize wireless data transmission and time synchronization;Damping and sealing integrated system includes hierarchical damping damping structure and sealing gasket structure.The present application realizes stable, accurate temperature measurement in-190 ℃ to 1300 ℃ wide temperature range, has real-time data transmission, anti-vibration and sealing protection ability, significantly improves the reliability and measurement accuracy of equipment in harsh environment.

The present application relates to the technical field of glass production, and provides a mixing method for improving the temperature of glass production mixture, which is applied to a mixer with a stirring cavity and comprises the following steps: S1, starting the mixer to sequentially perform dry mixing and wet mixing on glass raw materials; S2, when entering the wet mixing stage, a steam supply unit is opened, so that high-temperature steam starts to be introduced into the stirring cavity of the mixer; and during the whole duration of the wet mixing stage, the steam supply unit is kept in an opened state; S3, when the wet mixing stage reaches a preset duration of the system, the steam supply unit is closed, and the introduction of high-temperature steam is stopped; and when the wet mixing stage ends, the temperature of the material is improved from an initial value to not less than a preset target temperature, thereby effectively solving the problem that the mixing temperature is substandard in a low-temperature environment. The present application also provides a mixing system for realizing the method, which can significantly improve the mixing uniformity and reaction activity, and has the advantages of precise temperature control, energy saving and high efficiency.

The invention discloses a zirconium fluoride-based glass optical fiber welding method, which comprises the following steps: at least partially removing a coating layer of a zirconium fluoride-based glass optical fiber, cleaning a bare fiber part of the zirconium fluoride-based glass optical fiber, and vertically cutting by using an optical fiber cutting machine to obtain a first zirconium fluoride-based glass optical fiber and a second zirconium fluoride-based glass optical fiber with flat and smooth end surfaces; respectively fixing the first zirconium fluoride-based glass optical fiber and the second zirconium fluoride-based glass optical fiber in a first optical fiber clamp and a second optical fiber clamp of an optical fiber fusion splicer, butting one end of the first zirconium fluoride-based glass optical fiber with a tail fiber of a single-mode optical fiber laser, aligning a probe of an optical power meter to the other end of the second zirconium fluoride-based glass optical fiber, and starting a fiber core alignment function of the optical fiber fusion splicer; aligning the other end of the first zirconium fluoride-based glass optical fiber with the fiber core at one end of the second zirconium fluoride-based glass optical fiber, observing the reading change of the optical power meter in the alignment process, and when the reading reaches the maximum, indicating that the alignment operation is completed; welding the first zirconium fluoride-based glass optical fiber and the second zirconium fluoride-based glass optical fiber; and measuring the loss and mechanical strength of the welding point.

This utility model discloses a measuring device in the field of measuring devices. The measuring device includes a measuring probe, an ambient light compensation circuit, and a controller. The measuring probe includes an aligned and spaced-apart transmitter and a receiver. A compensation tube is provided on the side of the receiver. The ambient light compensation circuit is used to convert the transmitter signal and the ambient light signal received by the receiver into a first signal, convert the ambient light signal received by the compensation tube into a second signal, subtract the second signal from the first signal and amplify it into a third signal, and compare the third signal with a threshold signal to obtain a result signal. The measuring device provided by this utility model improves measurement accuracy by setting a compensation tube on the side of the receiver. The receiver receives both the transmitter signal and the ambient light signal, while the compensation tube only receives the ambient light signal. The ambient light compensation circuit in the measuring device eliminates the influence of the ambient light signal on the result signal.

The application discloses a waste heat recycling device and method of a steam boiler and relates to the technical field of steam boiler waste heat equipment, which comprises a steam boiler shell, a steam boiler support fixedly installed on the outer side of the steam boiler shell, a steam boiler main body fixedly installed on the inner side of the steam boiler shell, a waste heat recycling device fixedly connected to the flue gas output end of the steam boiler main body on the side of the steam boiler support close to the steam boiler main body, and a plurality of smoke pipes arranged in the steam boiler main body along the horizontal direction. The application dynamically balances the flue gas flow and temperature entering each smoke pipe, ensures that the flue gas distributed uniformly and the temperature field is stable when finally discharged from the boiler and entering the waste heat recycling device. The application changes the condition that the traditional boiler flue gas outlet exists serious 'flue gas deviation' (namely local high temperature and high speed), so that each part of the waste heat recycling device can work efficiently and safely under the design condition.

This utility model relates to the field of alloy tool coating deposition technology, and in particular to an alloy tool coating deposition device, including a device shell, a high-pressure nitrogen chamber, a heating element, a high-pressure airflow nozzle, a rotating shaft, a tool clamping mechanism, an inner ring coating nozzle, and an outer ring coating nozzle. Through the synergistic effect of the sealed heat-insulating shell, high-pressure nitrogen, heating element, rotating shaft, and multi-layer coating nozzles, uniform and high-quality coating deposition is achieved. After the tool is fixed in the spirally arranged clamping mechanism, the device is first heated to a suitable temperature to ensure that the coating liquid is fully evaporated. The initial coating is formed by spraying from the inner ring nozzle. Subsequently, the outer ring nozzle, combined with high-pressure airflow, performs optimized deposition, so that the coating particles are uniformly attached, while removing excess droplets, improving coating density and surface quality. Finally, through low-speed rotation curing and controlled cooling, an alloy tool with strong adhesion and excellent wear resistance is obtained.

The application provides a low-nitrogen burner compatible with blast furnace gas and natural gas, and belongs to the technical field of low-nitrogen combustion of industrial kiln and furnace, and comprises a burner brick, a heat storage component and a natural gas lance; the burner brick is provided with a gas injection port, an air injection port and a natural gas injection port; the gas injection port and the air injection port are arranged at intervals along a first direction; the air injection port and the natural gas injection port are arranged at intervals along a second direction perpendicular to the first direction; the heat storage component is provided with a channel for the combustion-supporting air and the blast furnace gas to flow through, and is used for absorbing the heat of the kiln and furnace to heat the gas; the natural gas lance is communicated with the natural gas injection port. During combustion, the combustion-supporting air, the blast furnace gas and the natural gas are mixed and mixed at a position far away from the burner brick and entrain the kiln flue gas, so that the reaction intensity is reduced. The low-nitrogen burner provided by the application realizes delayed mixing and flue gas entrainment by using heat storage preheating and jet space separation, reduces the emission of thermal NOx, is compatible with blast furnace gas and natural gas, and is stable, efficient and reliable in combustion.

The invention provides a temperature field electrode preparation method applied to a transmission electron microscope in-situ experiment chip, which comprises the following steps: S1, acquiring an initial functional chip, exposing a core working unit of the initial functional chip, and depositing a hard mask at least right above the core working unit; s2, preparing a micro-sheet based on the cross section area of the core working unit deposited with the hard mask, transferring the micro-sheet to a preset processing unit, and etching the micro-sheet; s3, preparing a deposition electrode, and performing electrical loop connection through the deposition electrode; and S4, cooling the etched micro thin sheet, and depositing a protective layer around the etched micro thin sheet to complete preparation. According to the preparation method provided by the invention, the electrical performance of electrode connection can be ensured, and the chip is prevented from being damaged.

This invention discloses an ultrasonic coupling cleaning process for printed circuit board substrates, belonging to the field of printed circuit manufacturing technology. The process includes cleaning solution preparation, pretreatment, ultrasonic coupling cleaning, gradient temperature field stabilization, microbubble-enhanced separation, post-treatment, and drying steps. The cleaning solution is free of hydrogen peroxide and stabilizers, employing a low-alkali system combined with frequency conversion ultrasound to achieve efficient removal of adhering substances. A gradient temperature field promotes the full diffusion of impurities between fibers, followed by in-situ adsorption and flotation via micro-nano bubbles to complete three-phase separation. This invention significantly improves the cleanliness of glass fiber electronic cloth, with a residual impurity index (LOI) ≤0.08% and a tensile strength retention rate ≥95%. The entire process involves no high-temperature calcination or damage from strong oxidants, resulting in low energy consumption, easily treatable wastewater, and strong process adaptability. It is suitable for efficient and green cleaning of high-end electronic reinforcing substrates such as printed circuit boards and electronic packaging materials, meeting the needs of large-scale production.

The utility model relates to the technical field of spline shaft sleeve detection, in particular to a spline shaft sleeve assembly steel ball sorter which comprises a working table, an upper protective cover is fixedly connected to the top of the working table, and two detection plates are symmetrically and fixedly connected to the interior of the working table. The two detection plates are respectively provided with a spline shaft detection assembly and a spline housing detection assembly, and one side of the spline shaft detection assembly and one side of the spline housing detection assembly are respectively provided with a positioning clamping assembly. By adopting the positioning and clamping assembly composed of the positioning air cylinder, the guide rail base and the clamping pneumatic claw, the spline shaft can be automatically moved downwards and positioned, meanwhile, the relative position of the spline shaft and a measuring station is monitored in real time in cooperation with the laser diameter measuring instrument, and if positioning is abnormal, an SPC system can automatically judge and reposition; the problems that traditional manual positioning is prone to deviation and detection data is distorted are solved, and the detection precision of the cross-rod distance and the rod distance is guaranteed.

The utility model belongs to the technical field of medicine manufacturing, and particularly relates to an auxiliary device for monitoring temperature change in a product sterilization process. The auxiliary device comprises a main cylinder, an observation cover and an end cover, the main cylinder is made of a corrosion-resistant metal material, a sealing body used for inserting a temperature detection probe in a sealing mode is arranged on the end cover, and the end cover and the observation cover with the perspective performance are arranged at the two ends of the main cylinder in a sealing mode respectively. According to the technical scheme, the main cylinder can be heated and cooled together with a product, and a stable temperature field is provided for a temperature sensor for monitoring the temperature of the product in the whole sterilization process. The main cylinder can provide a stable temperature field and can be used repeatedly. Therefore, the problems of non-uniform temperature distribution and poor stability of the reference bottle / reference bag in application are solved, the situation of leakage caused by damage is avoided, and the auxiliary device can be used for sterilizing products with different volumes and has relatively good flexibility and applicability.