32 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 provides a foaming method of a fused deposition modeling printing material, which comprises the following steps: S10: placing a fused deposition modeling printing prefabricated part in a foaming kettle, raising the temperature in the foaming kettle to 130-140 DEG C, then introducing nitrogen to enable the pressure to reach 18-20 MPa, and keeping for 30-60 minutes; s20, carbon dioxide is introduced into the foaming kettle, then the temperature in the foaming kettle is reduced to 110 DEG C to 120 DEG C, the pressure is adjusted to 10 MPa to 15 MPa, and the temperature is kept for 8 h to 12 h; and S30, after the pressure maintaining time is over, a cooling medium is sprayed into the foaming kettle, so that the surface temperature of the prefabricated part is reduced by 10-20 DEG C within 30-60 seconds, then pressure relief is conducted at the pressure relief rate larger than 10 MPa / s, the prefabricated part is foamed and expanded, and the needed foaming material is obtained. The printing material is foamed, so that the density and hardness of a 3D printing finished product are reduced, and the rebound resilience is improved.

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.

To provide a stereo temperature wave measurement device and method capable of easily measuring a heat flow direction in an anisotropic material or in a composite material, the method beng a novel hot transport evaluation system in a STEM.SOLUTION: The invention comprises: a heating unit for heating, using a pulse-state electron beam with a prescribed frequency (f), first and second contact pieces which are formed of a second metal material for generating thermal electromotive force to a first metal material, and which contact at two positions (T1 position (F point), T2 point (E point)) of a sample formed of a first metal material, and at least one heating point on the sample; and a device for detecting outputs of the first and second contact pieces being response to temperature rise of contact points between the first and second contact pieces due to heating of the pulse-state electron beam with a prescribed frequency, and measuring an amplitude component of a temperature wave corresponding to the heating position of the heating point by the prescribed frequency. By determining a rate of the heat flow flowing into the contact points (T1 point (F point), T2 point (E point)), the heat flow direction of the sample can be determined.SELECTED DRAWING: Figure 6B

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.

An object of the present invention is to provide a biaxially stretched polyamide film which is superior in bending pinhole resistance and abrasion pinhole resistance, and can inhibit generation of foreign matter during film formation. A biaxially stretched polyamide film of the present invention includes at least two layers of A layer and B layer each formed of a resin composition including polyamide 6, wherein the A layer contains a flexing agent and the B layer is substantially free of any flexing agent, and the biaxially stretched polyamide film exhibits a loss elastic modulus E″ of 1.1×108 Pa or more at 1° C. in dynamic viscoelasticity measurement under conditions including a tensile mode, a distance between chucks of 20 mm, a frequency of 15 Hz, and a rate of raising temperature of 5° C. / min using a viscoelasticity analyzer.

To make a carbide area ratio in a work uniform while suppressing the time and energy required for heating the work when the entire work is quenched.SOLUTION: In a heating process of inductively heating a ring-shaped work W made of steel in order to quench the entire work W, a temperature-raising step for continuously raising the temperature of the work W is composed of a primary temperature-raising step S1 for raising the temperature of the work W to the Curie temperature of steel, and a secondary temperature-raising step S3 for raising the temperature of the work W to a prescribed temperature equal to or higher than a hardening temperature. Between the two temperature-raising steps S1 and S3, a thermal diffusion step S2 is performed for causing thermal diffusion in the work W by lowering the output of heating coils 2A and 2B compared with that at the time of performing the primary temperature-raising step S1.SELECTED DRAWING: Figure 3

The invention relates to the technical field of PE-RT pipes, in particular to a hybrid material, a graphene modified heat-resistant PE-RT pipe and a preparation method of the graphene modified heat-resistant PE-RT pipe, and the PE-RT pipe comprises the following raw materials in parts by weight: 55-60 parts of PE-RT resin, 8-11 parts of glass beads, 4-7 parts of a silane coupling agent, 3-5 parts of PE wax, 2-4 parts of an antioxidant 1010 and 2-5 parts of calcium stearate. According to the PE-RT pipe, the PE-RT resin is adopted as a matrix and is matched with the glass beads, the silane coupling agent, the PE wax, the antioxidant 1010 and other raw materials, meanwhile, the graphene-based hybrid material agent and the graphene-based hybrid material agent are added to serve as a synergist, and the two materials are blended, synergistic and jointly synergistic, so that the impact resistance and the heat preservation performance of the obtained PE-RT pipe can be harmoniously improved, and the PE-RT pipe has the good heat preservation performance. And the product has remarkable weather resistance and thermal cycling resistance stability.

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 invention provides a heat treatment method for single crystal metal. The method comprises the following steps: 1) placing single crystal metal in a furnace body, and raising the temperature in the furnace to a first-stage target temperature at a first-stage heating rate in an inert or reducing atmosphere; and 2) maintaining the atmosphere in the step 1), and raising the temperature of the furnace body from the current first-stage target temperature to a second-stage target temperature at a second-stage heating rate. The second-stage heating rate is greater than the first-stage heating rate. According to the recrystallization prevention strategy provided by the invention, crystal reconstruction and crystal boundary evolution caused by internal stress accumulation are remarkably inhibited through a customized staged heat treatment process adaptive to single crystal metal, and good single crystal property and surface appearance of the metal are effectively maintained. Especially for single crystal metal subjected to cold processing such as cutting, forming, fine processing and the like, the method provides a heat treatment process compatible with the single crystal metal, and a technical foundation is laid for subsequent processes such as high-temperature deposition growth of a thin film and material compounding and the like.

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 relates to the technical field of composite material storage, and discloses a composite material drying and storing device which comprises a base, a storage cabinet is arranged at the top of the base, a drying box is arranged at the top of the storage cabinet, and a sealing door is arranged on the outer side of the storage cabinet. The temperature in the drying box is increased through the electric heating wire, hot air in the drying box is transmitted into the storage cabinet through the exhaust fan, meanwhile, the hot air in the drying box is exhausted into the spiral pipe through the exhaust pipe through the other exhaust fan, the motor drives the gear to rotate, the gear is meshed with the gear ring to drive the rotating shaft to rotate, and the drying box is heated. The rotating shaft drives the spiral pipe to rotate, hot air is evenly discharged into the storage cabinet, the temperature in all directions in the storage cabinet is balanced, air in the storage cabinet is kept dry, therefore, mixed materials in the storage cabinet can be kept dry, moisture in the storage cabinet can be absorbed through the drying agent in the shell, and the dryness of the mixed materials is improved.

An apparatus of a composite refrigeration line set that includes a suction line and return line characterized in that one or more of the suction line and the return line are a composite refrigeration line set tube. The set tube includes an inner plastic tube, a first adhesive layer external to the inner plastic tube, an aluminum layer circumferentially surrounding the first adhesive layer and coupled to the inner plastic tube via the first adhesive layer, a second adhesive layer external to the aluminum layer, and an outer plastic layer circumferentially surrounding the aluminum layer and coupled to the aluminum layer via the second adhesive layer. The inner plastic tube is a polyethylene of raised temperature and includes conductive additives. The outer plastic tube is polyethylene of raised temperature.

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.

An apparatus of a composite refrigeration line set that includes a suction line and return line characterized in that one or more of the suction line and the return line are a composite refrigeration line set tube. The set tube includes an inner plastic tube, a first adhesive layer external to the inner plastic tube, an aluminum layer circumferentially surrounding the first adhesive layer and coupled to the inner plastic tube via the first adhesive layer, a second adhesive layer external to the aluminum layer, and an outer plastic layer circumferentially surrounding the aluminum layer and coupled to the aluminum layer via the second adhesive layer. The inner plastic tube is a polyethylene of raised temperature and includes conductive additives. The outer plastic tube is polyethylene of raised temperature.

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.

A method for manufacturing a flow path unit (10) through which a high-temperature gas flows and which comprises a first metal body (1) having a first surface (11) and a second metal body (2) having a second surface (21), a flow path being formed by combining the first metal body (1) and the second metal body (2), the method comprising: a step for sandwiching a thermoplastic polyimide member (3) between the first surface (11) and the second surface (21); a step for applying pressure between the first surface (11) and the second surface (21); and a step for raising the temperature of the member (3) to the heat-resistance temperature of the thermoplastic polyimide or higher and thereby bonding the first metal body (1) and the second metal body (2) in a state in which the flow path is enclosed.

The invention relates to the technical field of composite material curing forming, in particular to a black box composite material curing method. The method comprises the following steps: S1, putting a black box preform into a vacuum bag, and reducing the pressure in the vacuum bag to negative pressure of 0.1 MPa or below; s2, pre-curing: raising the temperature to 80-120 DEG C at a heating rate of 1-3 DEG C / min, applying a pressure of 0.5-3.0 MPa, and carrying out pre-curing treatment for 1-3 hours, so that the resin matrix is primarily crosslinked, and the initial strength of the black box composite material is enhanced; s3, hot-pressing and curing are conducted, specifically, the temperature is increased to 150-180 DEG C at the heating rate of 1-3 DEG C / min, and the curing pressure is adjusted to 0.2-0.6 Mpa; s4, keeping the temperature for 4-10 hours under the conditions that the temperature is 150-180 DEG C and the pressure is 0.2-0.6 Mpa, and ensuring that the resin matrix is fully crosslinked and cured to form a stable composite material structure; and S5, cooling post-treatment: reducing the temperature to 60 DEG C or below at a cooling rate of 1-3 DEG C / min, slowly releasing the pressure to normal pressure, and discharging from the tank. The black box composite material curing method can effectively improve the performance of the composite material and the product reliability, and has a good application prospect.

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.