21 results about "Raised temperature" patented technology

Provided are a first temperature raising device that is provided in a rolling line between a continuous casting machine 12 and a rough rolling mill 70, a second temperature raising device that is provided in a temperature raising line different from the rolling line, a first slab transportation device 40 that can move a slab 100 between the exit side of the slab 100 in the rolling line of the first temperature raising device and the entry side of the slab 100 in the temperature raising line of the second temperature raising device, and a second slab transportation device 42 that can move the slab 100 between the entry side of the slab 100 in the rolling line of the first temperature raising device and the exit side of the slab 100 in the temperature raising line of the second temperature raising device, and the first temperature raising device has a first IH slab heater 20 and the second temperature raising device has a second IH slab heater 22. Accordingly, it is possible to provide a temperature raising device, a rolling facility including the same, and a temperature raising method of a cast slab that can improve the temperature raising efficiency before sending the cast slab to a rough rolling mill as compared with the conventional technique.

There is provided a heating device heating a can body with hot air, the heating device including a heating unit configured to generate the hot air, a first heating portion configured to heat the can body to raise a temperature of the can body with the hot air, and a second heating portion configured to heat the can body that has been heated to the raised temperature. At least one of the first heating portion or the second heating portion may include a plurality of heating sections having different heating conditions of the can body.

The utility model provides a feeding mechanism of a floor paint spraying machine, which relates to the technical field of floor paint spraying equipment and comprises a bottom plate, the top of the bottom plate is fixedly connected with a storage tank, the outer surface wall of the storage tank is fixedly sleeved with a jacket, the outer surface wall of the jacket is fixedly communicated with a water inlet pipe, and the input end of the water inlet pipe is fixedly communicated with a circulating pump. The input end of the circulating pump fixedly communicates with a water outlet pipe, the input end of the water outlet pipe fixedly communicates with a water tank, and the inner surface wall of the water tank is fixedly connected with a temperature sensor. According to the floor paint heating device disclosed by the utility model, the floor paint in the storage tank can be uniformly heated under the interaction of all the components of the device, so that the floor paint can be quickly heated when the external temperature is too low, the viscosity of the floor paint is kept in a suitable range, the fluidity is good, and the flow speed is kept stable in the process of conveying the floor paint to the spray gun; therefore, uniform spraying is realized.

Particularly, proposed is a manufacturing method for a paper-made binding comb. The manufacturing method includes: providing a combined roll paper in which an inner roll paper and an outer roll paper are combined at a low-temperature by a low-temperature-sensitive molding material therebetween, the inner roll paper and the outer roll paper, each having a first side surface coated with a high-temperature-sensitive bonding material; slitting the combined roll paper at a predetermined width, and cutting the slitted roll paper such that the slitted roll paper has a comb part and a comb-connecting part, thereby forming a flat comb-shaped paper-binding piece; raising a temperature to the low-temperature such that only the low-temperature-sensitive molding material is melted; and transferring the flat comb-shaped paper-binding piece to a molding apparatus and molding the flat comb-shaped paper-binding piece into a cylindrical shape.

The invention relates to the technical field of electric tool control, in particular to an electric chain saw performance regulation and control method, system and equipment based on cutting temperature, and the method comprises the steps: setting a plurality of grades of temperature thresholds and a plurality of grades of cutting performance corresponding to the temperature thresholds in sequence from low to high, a plurality of grades of matching relations that the cutting performance is reduced along with the rise of the temperature threshold are formed; the cutting temperature of the electric chain saw is detected in real time through a temperature sensor, and the cutting temperature is compared with a temperature threshold value; and when it is detected that the cutting temperature is larger than or equal to the temperature threshold value of any gear, the electric chain saw is reduced to the corresponding cutting performance based on the matching relation of the gear to conduct cutting operation. Through the multi-level stepped matching relation between the temperature threshold value and the cutting performance, the effect that the cutting performance is reduced step by step when the cutting temperature of the electric chain saw rises is achieved, the shutdown waiting time is shortened, and the cutting efficiency is improved.

The invention discloses a bridge structure helpful for improving durability, and belongs to the technical field of road and bridge facility construction, the bridge structure comprises a first telescopic plate, a second telescopic plate and a multi-stage buffer mechanism, the bottom of the first telescopic plate is provided with a temporary storage water tank provided with a plurality of water inlets and water seepage holes, and an air guide pipe is assembled in the second telescopic plate; two groups of multi-stage buffer mechanisms are respectively arranged in the assembly cavity; a plurality of through holes are formed in the top of the multi-stage buffer mechanism corresponding to the second telescopic plate and correspond to the water seepage holes in the expansion state to reduce temperature and restrain expansion, and a plurality of air guide holes are formed in the top of the multi-stage buffer mechanism corresponding to the first telescopic plate and correspond to the side wall air outlets of the air guide pipes in the contraction state one to one to increase temperature to restrain contraction. By the adoption of the bridge structure beneficial to improving the durability, the problems that an existing bridge expansion joint is poor in thermal expansion and cold contraction restraining effect, a buffering piece insufficiently absorbs composite impact force, and the structural stability is insufficient are solved.

An image forming apparatus includes a fixing device, a motor, and a controller. The fixing device includes a heating unit and a first temperature sensor. The controller is configured to perform driving the fixing device. The driving includes a heating process. The controller is further configured to perform, during the heating process: a first control operation in which the controller rotates the motor at a first rotational speed and adjusts a duty cycle of electric power suppled to a heater of the heating unit to a higher value as a deviation between a target temperature and a temperature detected by the first temperature sensor becomes greater; and a second control operation in which the controller rotates the motor at a second rotational speed lower than the first rotational speed and restricts the duty cycle within a range lower than or equal to a restricted value.

The application relates to the field of light projectors, and discloses a water cooling mechanism of a plastic extruder, which comprises a cooling box, the cooling box comprises a box body and a liquid distribution assembly, and the inner top surface of the box body is fixedly provided with the liquid distribution assembly. The cooling water with a raised temperature after use is guided to the inner side of the cooling box through the liquid inlet assembly, so that the cooling water is accumulated in the inner side of the liquid storage frame; when the accumulated liquid level is higher than the liquid guide hole on the liquid storage frame, the cooling water enters the inner side of the liquid discharge frame through the liquid guide hole, flows out through the liquid discharge hole on the liquid discharge frame, and the multiple liquid discharge holes are arranged, so that the high-temperature cooling water guided to the inner side of the cooling box is branched into small water lines and flows to the bottom of the cooling box; meanwhile, the fan of the cooling assembly arranged on the cooling box is started, so that the fan blows and cools the multiple small water lines; the contact area of the cooling liquid and the cooling air is increased through the branching, so that the cooling efficiency of the cooling water during the circulation is improved, and the cooling effect is improved.

The invention discloses an SPS cyclic sintering and extrusion graphene reinforced titanium-based composite material integrated preparation method, which comprises the following steps: S1, SPS cyclic sintering: putting mixed powder into a graphite mold for cyclic sintering for 1-6 times, under the multi-field coupling effect, raising the temperature, changing the chemical potential of B atoms, directionally diffusing part of the B atoms to a Ti matrix, and performing SPS cyclic sintering; intragranular TiB size control and grain boundary TiC and GNPs morphology control and pinning are achieved. S2, SPS hot extrusion: putting the circularly sintered composite material into a mold, preserving heat at a set temperature, and then extruding by using a hydraulic device of SPS equipment, so as to control the distribution of a reinforced phase, further refine grains, improve the density and avoid heat loss during transfer in a traditional extrusion mode; and extrusion can be carried out without changing other conditions after heat preservation at the set temperature. The morphology and distribution of the reinforced phase can be effectively controlled, so that the performance of the composite material is improved.

The utility model relates to the technical field of semiconductor heating devices, and discloses a heating device capable of heating quickly, which comprises a box body, fixed columns are fixedly arranged at the front ends and the rear ends of the two sides between the inner bottom surface and the inner top surface of the box body, movable plates are arranged at the upper ends and the lower ends of the outer surfaces of the four fixed columns, and the movable plates are fixed on the box body. Two-way screws are rotationally embedded in the middle points of the two sides between the inner top face and the inner bottom face of the box body, a fixing plate is fixedly arranged at the middle point of the position between the inner walls of the two sides of the box body, and a material box is movably embedded in the front end face of the fixing plate. According to the utility model, after the mounting plates fixedly provided with the heating pipes are embedded in the two movable plates, the upper end and the lower end of a material placed in the material box can be heated, the two-way screw rod arranged in the box body can better drive the movable plates to move, and meanwhile, the movable plates and the fixed plate can be separated, so that the material box is convenient to use. Therefore, the material box can be drawn out, and the materials can be replaced.

The disclosed technology can be implemented to provide a method of determining thermal conductivity of a sample. The method includes controlling a heat source to raise a temperature of the heat source to an elevated temperature that is higher than a phase transition temperature of a phase change material, placing the sample between and in thermal contact with the phase change material and the heat source below the phase transition temperature to allow thermal conduction through the sample from the heat source to the phase change material, thereby raising an initial temperature of the phase change material to the phase transition temperature to cause the phase change material to transition from a first phase to a second phase, performing a measurement on at least one of the sample or the phase change material, and determining the thermal conductivity of the sample based on the measurement.

A multi-layered pipe including a first polyethylene layer comprising raised temperature (PE-RT) resistance forming a longitudinal axis of the pipe, an ultra-high-molecular-weight polyethylene (UHMWPE) layer disposed around the first PE-RT layer, a second PE-RT layer disposed around the UHMWPE layer, and, optionally, at least one bonding layer disposed between at least one of the respective first or second PE-RT layers and the UHMWPE layer. At least one of the layers comprises a nanoclay material for reducing gas transport through the layers.

The utility model discloses a heating device for temperature rise of a rubberizing film, and relates to the technical field of rubberizing films, the heating device for temperature rise of the rubberizing film comprises a fixed shell, the inside of the fixed shell is fixedly connected with heating equipment, the inside of the fixed shell is fixedly connected with a net plate, the surface of the fixed shell is provided with a button switch, and the button switch is connected with a power supply. The button switch is electrically connected with the heating equipment, a fixing block is fixedly connected to the surface of the fixing shell, a through groove is formed in the surface of the fixing block, a mounting frame is rotatably connected to the interior of the fixing shell, and the film is mounted on the surface of the mounting frame. According to the adhesive tape heating device, the adhesive tape is heated, so that the adhesive tape can be ensured to have a certain temperature, the adhesive tape is ensured to have good adhesiveness during use, meanwhile, the adhesive tape heating device is arranged in the fixed shell, a worker can carry the adhesive tape conveniently, and the use effect of the device is further improved.

The invention provides a corrugated paper production cooling and shaping device which comprises an outer shell, grooves are symmetrically formed in the outer shell, a cooling part used for cooling a paperboard is installed on the outer shell, and the cooling part comprises a supporting plate matched with the grooves; an L-shaped plate is installed on the supporting plate, and the L-shaped plate and the supporting plate form a triangular structure. When a paperboard is cooled, wind force is blown to the paperboard at an acute angle with the paperboard, so that air moves along the paperboard, heat of the paperboard is taken away, the paperboard is cooled, when the air is blown to the paperboard, the side, away from the paperboard inlet end, of the paperboard is cooled firstly, and when the air takes away the temperature, the temperature of the air can rise, so that the paperboard is cooled. And then the air with the temperature increased is blown to the position close to the paperboard inlet end, the side close to the paperboard inlet end is cooled, in this way, the air is blown to the paperboard from the low-temperature position to the high-temperature position during cooling, the purpose of gradual cooling is achieved, and the situation that the paperboard is bent during cooling due to the too large temperature difference is prevented.

The application discloses a low-pressure high-efficiency refrigeration method, and relates to the technical field of pressure card refrigeration. O )‑disordered solid phase (S D )‑liquid phase (L) phase transition process, namely, a material with double phase transitions at different temperatures. First, the ability of S O -S D phase transition and S D -L phase transition is determined by superposition into one phase transition through the processes of pressure increasing and pressure decreasing, then the solid-liquid phase line temperature is determined, and finally, the adiabatic temperature change of the material is verified through the experiment of pressure increasing and pressure decreasing in a certain interval range of the solid-liquid phase line temperature. Thus, a low-pressure high-efficiency refrigeration material with 6K adiabatic temperature change at 40MPa and 28K adiabatic temperature change at 100MPa is obtained.

A method of manufacturing a sheet of glass comprises: (a) forming a vertically oriented ribbon of glass that moves downward as a function of time, the ribbon of glass having a first primary surface and a second primary surface that face in generally opposite directions and a core disposed between the first and second primary surfaces; (b) as the ribbon of glass moves downward, passing the ribbon of glass adjacent to a first raised temperature zone liquefies the first primary surface while a temperature of the core remains below a softening temperature; and (c) after the ribbon of glass moves below the first raised temperature zone, separating a sheet of glass from the ribbon of glass. Passing the ribbon of glass adjacent the first raised temperature zone reduces total thickness variation, surface roughness, and other surface defects of the ribbon of glass.

The application discloses a composite quantum dot temperature memory material with a wide temperature range pressure card effect and a preparation method and application thereof, and belongs to the technical field of temperature control materials. The composite quantum dot temperature memory material is a carbon quantum dot / pressure card plastic crystal material composite, has a crystal lattice structure capable of reversibly deforming when temperature changes, and the reversible deformation is that when the temperature rises, the crystal lattice expands to absorb external heat; and when the temperature decreases, the crystal lattice shrinks to release the stored heat. The material realizes precise temperature memory in the full temperature range of-80 DEG C to 300 DEG C through heat absorption and release cycles and relies on the pressure card effect, has a wide temperature range coverage, has no brittle fracture, decomposition or performance attenuation at an extreme temperature, the pressure card effect is stable, the temperature memory error is not more than ±1 DEG C, can be adapted to various different forming modes, and can well meet the use requirements of different application scenarios such as building ceramics, refrigeration plates, building wall surfaces, industrial equipment, automobile surfaces and temperature control parts.

The present application relates to a kind of thin-walled structural member and composite hot forming tool and hot forming method, specifically relates to the field of hot forming, the thin-walled structural member and composite hot forming tool of the present application includes: nested cooperation female die and sub-mold;Between the female die and the workpiece to be formed, hot transformation material is configured;The hot transformation material includes: as temperature rises, it is transformed from flexible material to rigid material.The hot forming tool provided by the present application avoids the hard contact between the workpiece to be formed and the female die during the hot forming process by means of specific hot transformation material, which plays a certain buffering and supporting role, thereby ensuring that the thin-walled structural member does not appear large deformation and damage defects during the hot forming process, and ensuring that the product after hot forming can still be reasonably used.

The invention discloses a high-temperature-resistant PE-RT pipe manufacturing device and method. The device comprises a feeding and drying module, a plasticizing and extruding module, a forming die head module, a traction module, a cutting module and a collecting module, and is sequentially provided with a first thermal sizing section, a second slow cooling sizing section, a third uniform temperature stress releasing section and a fourth final cooling section in the pipe conveying direction. An online detection module is arranged to collect the outer diameter, the ovality, the wall thickness, the surface layer temperatures T1 and T2 of the first temperature detection position and the second temperature detection position, the traction tension Ft and the sizing vacuum degree Pv. The control module carries out fusion calculation according to a residual stress characterization index S based on a detection value, takes S as a main control quantity to adjust temperature control parameters of a slow cooling sizing section and a uniform-temperature stress release section in a linkage manner, and cooperatively adjusts the sizing vacuum degree and the traction speed under the constraint of a size window, so that closed-loop coordinated control of a temperature range and stress is realized, and the temperature range and the stress are controlled. The product consistency and the high-temperature working condition stability are improved.

The invention relates to a method for preparing a single-domain thin film made of ferroelectric material, the method comprising transferring the layer from a donor substrate to a receiver substrate, followed by a heat treatment (Stab) and then thinning (Thin), the heat treatment comprising: increasing the temperature to a high temperature of between 400°C and the Curie temperature of the ferroelectric material forming the layer; maintaining the temperature for a time of 30 min or more; then lowering the temperature, wherein the temperature increase is carried out by a temperature ramp at a heating rate greater than 7°C / min, such that the transferred ferroelectric layer reaches a temperature between 400°C and the Curie temperature at the end of the ramp.