7results about How to "Slow cooling" patented technology

The application discloses a dry-type transformer with high-temperature protection function, which comprises a base assembly and a regulation mechanism, a shell component is arranged on the top side of the base assembly through bolt assembly, an opening and closing assembly is arranged on one side of the shell component through plug-in connection, and a power transformation mechanism is arranged on the inner top side of the shell component through adhesion. The device is mainly characterized in that the regulation mechanism is arranged in the shell component, the temperature of the working state of the device is sensed by a temperature sensor of the device, a signal is transmitted to the regulation mechanism, power is output by an internal motor to drive the meshing transmission gear set, the screw rod set is driven to operate, the size of the opening is adjusted by changing the position of the adjusting plate and the sleeve cabin, under the action of the heat dissipation fan of the heat dissipation component, the high-temperature air in the device can be discharged from the device in time, so that the effect of slow cooling is achieved, and the irreversible damage of the power transformation mechanism caused by the too fast cooling range is avoided.

The utility model aims to provide a device for heat preservation of a high-temperature wire coil, which solves the problem that the temperature of the high-temperature wire coil is reduced too fast during transfer, and comprises a driving assembly, a consignment assembly and a heat preservation assembly, the driving assembly comprises a motor, a stand column, a hanging strip and a sliding seat, the motor is arranged on the stand column, and the hanging strip is arranged on the sliding seat. The sliding base is arranged on the stand column in a sliding mode, the two ends of the chain are connected with the two ends of the sliding base respectively, and the chain is meshed with the driving end of a motor. The first supporting plate and the second supporting plate are used for putting down the high-temperature wire coil when being far away from each other, the high-temperature wire coil enters the heat preservation channel after being taken out of the furnace, the first supporting plate and the second supporting plate also enter the upper portion of the heat preservation channel, and the first supporting plate and the second supporting plate descend by the set height. In this way, the high-temperature wire coil is covered with the first heat preservation cover and the second heat preservation cover in the falling process, cooling of the high-temperature wire coil is slowed down, and therefore the problem that the temperature is too fast reduced in the high-temperature wire coil transferring process is solved.

The utility model relates to the technical field of fabric processing, and disclose a kind of processing device of chenille double-layer wrinkled fabric, including processing frame, the left cleaning frame and right cleaning frame are sequentially equipped in the side of processing frame from front to back, the upper surface of processing frame is equipped with press frame and lower heating plate, press motor, press screw, press plate, upper heating plate.The utility model structure is reasonable, glue in glue tank is extracted by glue pump rotation, fabric surface is sprayed with glue by the glue nozzle under glue pipe, fabric can be well bonded, reduce fabric cracking when using, the upper heating plate under press plate heats up, the lower heating plate on press frame heats up, press motor makes press plate move downward and press the fabric in press frame and press plate, upper heating plate and lower heating plate heat up to make two different fabrics combine quickly, reduce the incomplete combination of part in two fabrics during pressing, which leads to cracking in later period and affects use.

The application relates to the field of welding and discloses an automatic welding method and device for a large ring-shaped component girth weld, which comprises the following steps: vertically clamping a workpiece on a biaxial positioner with rotary and overturning degrees of freedom; during the welding process, the spatial inclination of the workpiece is adjusted in real time through the biaxial positioner, the included angle between the weld line normal and the direction of gravity is maintained within a preset angle range, the workpiece is uniformly rotated through the biaxial positioner, the weld line sequentially passes through a composite welding head at a fixed spatial position in the circumferential direction, and a welding robot keeps the spatial posture of a welding gun fixed and only compensates the position based on a weld line tracking signal. The application has the beneficial effects that the flat welding state is kept during the whole welding process, the welding robot keeps the posture of the welding gun fixed, only the position compensation is carried out through the weld line tracking signal, the spatial angle of the welding gun does not need to be frequently adjusted, the unified and stable control of the welding parameters is realized, and the overall consistency of the girth weld is ensured.

This utility model provides an atmospheric pressure high-efficiency electrode boiler system, which includes an electric heating tank, an electric heating electrode disposed on the electric heating tank, and an external heat exchange system connected to the electric heating tank; the electric heating tank is filled with high-carbon molecular heating oil; the electric heating tank is provided with a reaction additive addition port; the electric heating electrode is inserted into the high-carbon molecular heating oil; the external heat exchange system includes a first circulation pump connected to the electric heating tank and a heat exchanger connected to the outlet of the first circulation pump; the heat exchanger is connected to the load side; the inlet of the first circulation pump is connected to the outlet of the electric heating tank; the outlet of the first circulation pump is connected to the heat source side inlet of the heat exchanger; the heat source side outlet of the heat exchanger is connected to the inlet of the electric heating tank. This utility model has the characteristics of low manufacturing cost, stable, safe and energy-saving system.

The utility model relates to high temperature calcination production technical field, concretely is a kind of tunnel kiln wind-avoiding slow cooling equipment, including heat conduction structure, the front section and rear section of heat conduction mechanism connection tunnel kiln cooling section, wherein the side of cooling section close to firing section is front section, the side of cooling section close to discharge port is rear section, further including slow wind plate and slow wind plate frame, wherein slow wind plate frame is set at the discharge port of tunnel kiln cooling section, and slow wind plate is set on slow wind plate frame. By being provided with slow wind plate and slow wind plate frame at the discharge port of cooling section, the temperature difference of the front section and rear section of tunnel kiln cooling section is made smaller under the joint action with heat conduction structure, ensure that material slowly, uniform speed cooling, solve the technical problem that material is cooled too fast in cooling section and leads to burst, fragmentation in prior art.

The application discloses a special forging forming equipment for an integrated forged valve body of a power station stop valve and a machining process thereof, which comprises a forging table, a first driving seat and a second driving seat, the top of the forging table is provided with an L-shaped fixing seat through bolts, the top of the L-shaped fixing seat is provided with the first driving seat and the second driving seat through the pedestals at both ends, respectively, one side of the first driving seat and the second driving seat is respectively provided with a first servo motor and a second servo motor through mounting seats, and the output shafts of the first servo motor and the second servo motor are connected with lead screws through couplings. In the process of forging, the valve body is cooled down quickly, the burner is used for combustion to have a heat preservation effect on the valve body, the cooling is slowed down, the valve body can be continuously forged, the forged valve body is prevented from being returned to the furnace again, the production process is prevented from being complicated, the forging openings at the two sides of the forging die are used for guiding, and the strength of the two sides of the forging die is improved.