9results about How to "Avoid uneven temperature" patented technology

The present application relates to the technical field of metal material heat treatment, in particular to a heat treatment furnace device and method capable of controlling temperature and cooling speed, wherein the furnace body is internally constituted as a hearth, the output end of the air supply system is located at the lower region of the hearth through the furnace body; the flow equalizing system is arranged at the lower region of the hearth and is in communication with the output end of the air supply system; the workpiece is placed on the flow equalizing system; the circulation and exhaust system is arranged at the upper region of the hearth and is in communication with the interior of the hearth, the temperature monitoring system is arranged on the circulation and exhaust system and is directly above the workpiece; the control system is electrically connected with the air supply system, the circulation and exhaust system and the temperature monitoring system. The present application effectively solves the problems of insufficient cooling speed and poor cooling uniformity in the prior art.

The utility model relates to the technical field of quenching, and provides a quenching device for manufacturing a high-precision mold. The side pipe and the conveying pipe are arranged on the outer wall of the quenching box, and the input end of the side pipe and the input end of the conveying pipe are gathered at one position and located in the quenching box; a plurality of output ports are formed in the quenching box; the side pipe is communicated with the output end of the conveying pipe and the output ports; an electric push rod is arranged on the outer wall of the quenching box, and a containing assembly is arranged at the output end of the electric push rod. By arranging the external electric push rod, failure or deformation of the driving assembly caused by direct connection of high-temperature liquid during quenching is avoided, and by arranging the side pipe, the conveying pipe and the high-temperature pump, liquid in the quenching box can be pumped out and conveyed back into the box again, so that circulation and convection of the liquid in the box are realized, and uneven temperature of the liquid in the box is avoided.

The utility model discloses a sunlight greenhouse dehumidification and ventilation device, which relates to the technical field of sunlight greenhouse dehumidification and ventilation, and comprises a blowing fan, the blowing fan is arranged in a sunlight greenhouse, the upper end of the blowing fan is communicated with a ventilation seat, the ventilation seat is provided with a rain cover, the side surface of the ventilation seat is communicated with a ventilation pipeline, and the ventilation pipeline is communicated with the ventilation fan. When the rain shielding cover is opened, ventilation and dehumidification are carried out through the ventilation seat, when the rain shielding cover is closed, an internal circulation mode is switched, wet and hot gas is condensed and dehumidified through the condensation pipeline to discharge moisture, and an air blower in the heating chamber drives air to flow through the heating wire to be heated and flow back to the greenhouse to maintain the temperature. The air return pipe is buried underground, cold air in the pipe is preheated through the ground temperature to automatically maintain the temperature of the greenhouse when the day and night temperature difference is large in summer, the electric heating wire is started for active heating when the ground temperature is insufficient in winter, and therefore the applicability of the device to different seasons is improved.

The utility model discloses a supercritical pipeline support hanger embedded type cooling channel composite bearing frame, which relates to the technical field of pipeline support, and comprises a lower frame, an upper frame and a pipeline body, one side of the lower frame and one side of the upper frame are fixedly connected with water inlet pipes, and the other side of the lower frame and the other side of the upper frame are fixedly connected with water outlet pipes. Through the arrangement of the auxiliary assembly, after the pipeline body is installed and fixed, cooling water can be introduced into the lower frame and the upper frame through the water inlet pipe, then the cooling water is discharged through the water outlet pipe after heat exchange, circulation is formed, and the top of the lower frame and the bottom of the upper frame make contact with the outside of the pipeline body; and the pipeline body is cooled, so that the problems that the service life and the safety are affected due to fatigue, creep deformation or deformation of a metal material caused by long-term exposure of the pipeline body in a high-temperature environment are solved, and the protectiveness of the pipeline body is improved.

The utility model belongs to the technical field of furnace body equipment, especially relates to air curtain structure and its furnace body equipment. One kind of air curtain structure, include: mounting plate, its setting in the material import and export of solidification furnace, the outer cover of pumping air is set in mounting plate top, and is communicated with the air draught fan, a number of high temperature adhesive tape, its parallel even distribution is in mounting plate inner top wall, wherein, the air draught fan generates directional negative pressure airflow through the outer cover of pumping air, the extension direction of high temperature adhesive tape and solidification furnace in material conveying direction is positive intersection, to form the composite barrier screen of hot air current in solidification furnace. Through the cooperation of the outer cover of pumping air and high temperature adhesive tape, the synergistic mechanism of physical blocking and negative pressure suction is realized, and the temperature in the furnace body is avoided uneven.

The utility model discloses a condensing device for water reducing agent processing belongs to water reducing agent processing technical field. The utility model is provided with cold -draf machine and cooling water tank respectively in the both sides of reation kettle, and the inside of reation kettle is provided with cold gas ring pipe and cooling rotary pipe, and through three -fold cooling path cooperation, and cold -draf machine injects cold air directly into water reducing agent inside through the exhaust port of vertical pipe, and cold air is contacted directly with material, and utilizes heat exchange to take away heat quickly, and the inside of cooling rotary pipe is kept low temperature through cold air, and rotates and stirs under the driving of motor, expands low temperature contact surface, and passes through stirring and accelerates heat transfer in material inside, and the cooling medium of cooling water tank flows around outside reation kettle, forms the barrier of " external heat preservation + cooling", reduces the heat interference of external environment to inside, takes away the heat of reation kettle wall conduction simultaneously, can control water reducing agent temperature in target range quickly, avoids the change of material property because of slow cooling.

The invention provides a porous polymer foam material prepared based on a high internal phase emulsion template method and application thereof, the preparation method comprises the following steps: (1) mixing a vinyl monomer, a cross-linking agent, alkyl (meth) acrylate, an emulsifier, magnetic nanoparticles and a tracer agent to obtain an oil phase component; mixing water, electrolyte and an initiator to obtain a water-phase component; adding the water-phase component into the oil-phase component, and emulsifying to obtain a water-in-oil high-internal-phase emulsion; (2) depositing the water-in-oil type high internal phase emulsion obtained in the step (1) on a carrier substrate, and applying a pulsed magnetic field; (3) carrying out plasma treatment on the water-in-oil type high internal phase emulsion obtained in the step (2); curing in an eddy current induction area; in the step (3), a Fourier transform infrared spectrometer is adopted to monitor the concentration of each component on line, and signals are transmitted to a model prediction controller. The preparation method solves the problems of surface adhesion, oxygen inhibition and incomplete curing in the curing process.

This invention discloses a hot air towel drying rack, relating to the field of towel drying technology. It includes a hot air drying component comprising two sets of fixed frames arranged in parallel, with several sets of reinforcing rods arranged sequentially between the two sets of fixed frames. A first support frame is located on one side of the fixed frame, and several sets of placement rods are arranged sequentially on the other side of the first support frame, with the placement rods arranged in parallel. This invention, by using a hot air drying component, dries damp towels by blowing hot air. The hot air is evenly distributed onto the towels, ensuring rapid and thorough drying. This solves the problem of the inefficiency and poor results of natural sun drying, which is heavily dependent on weather and location. It also addresses the issue of low heat transfer efficiency in electric dryers where the heating element directly contacts the towel, effectively increasing drying speed, significantly reducing energy consumption, and avoiding uneven temperature during drying.

The present application relates to a kind of ammonia delivery anti-crystallization systems for denitration system, belong to flue gas denitration technical field, including heat tracing pipeline, product gas pipeline and drain main, multiple sleeves are uniformly and spacedly arranged on the product gas pipeline, sleeve is fixedly sleeved outside product gas pipeline, heat tracing pipeline input end is connected with auxiliary steam module, and heat tracing pipeline is connected with each sleeve by several heat tracing delivery pipes one by one, the sleeve bottom is also connected with drain pipe, and the free end of drain pipe is connected with drain main.The present application can effectively avoid the crystallization problem of denitration ammonia in the conveying process, and guarantee ammonia conveying smooth, temperature is enough, ammonia is uniformly sprayed, greatly improve the operation stability of denitration system.