19results about How to "Warm up fast" patented technology

The invention discloses a warming-up method, device and equipment of a fuel cell system and a storage medium, and the method comprises the following steps: after the fuel cell system is started, controlling the fuel cell system to enter an idle running state; controlling the fuel cell system to enter a warm-up state according to the operation parameters of the fuel cell system in the idling operation state; and according to the current total voltage of the electric piles of the fuel cell system or the current lowest single-piece voltage of the electric piles of the fuel cell system, loading warm-up current to the electric piles in the fuel cell system. Therefore, no matter whether the fuel cell system is at a low temperature or a normal temperature, quick warming of the fuel cell system can be realized by utilizing heating in the process of controlling the warming current, so that the fuel cell system can be ensured to quickly enter a stable working state; and the speed and the stability of the fuel cell system during low-temperature or normal-temperature starting are improved.

The utility model provides a sock shaping and flattening device, which relates to the field of sock production and comprises a base, the top of the base is fixedly connected with a heating plate, a flattening plate is arranged above the heating plate, a top plate is arranged above the flattening plate, a supporting column is fixedly connected between a bottom plate and the base, and the supporting column is fixedly connected with the heating plate. A hydraulic rod is fixedly connected to the top plate, the output end of the hydraulic rod is fixedly connected with the flattening plate, an inclined plate is arranged on one side of the heating plate, and a collecting box is arranged below the end, away from the heating plate, of the inclined plate. According to the sock shaping and flattening device, through the arrangement of the sock pushing mechanism, after sock shaping and flattening are completed, a driving motor is started, the driving motor drives a screw to rotate, the screw rotates to enable a pushing plate to move forwards to push socks on a heating plate onto an inclined plate, the socks on the inclined plate fall into a collecting box under the action of gravity, then the driving motor rotates reversely, and the socks on the inclined plate fall into the collecting box; and therefore, rapid collection can be conveniently carried out, and the efficiency is greatly improved.

The present application relates to a kind of aero-engine cold start auxiliary staged preheating system and control method, belong to aero-engine starting technical field;The present application is integrated preheating treatment to engine fuel, in-cylinder mixture thermodynamic state (in-cylinder thermal atmosphere before ignition) and lubricating oil by pipeline fuel preheating device, oil outlet preheating device, cylinder sleeve preheating device and lubricating oil heat preservation preheating device, coupling combustion parameter control strategy, according to the temperature gradient of plateau alpine low temperature environment, design four levels of plateau alpine cold start feedback control strategy, so that aviation kerosene pressure combustion engine provides and implements reasonable preheating scheme according to different low temperature low pressure environment outside in plateau alpine condition, can effectively solve the problem that aviation kerosene pressure combustion engine is difficult to cold start, starting time is long, engine parts wear seriously and cold start stability is poor and the like in plateau alpine environment.

The invention relates to the technical field of food processing, in particular to a fiber powder preparation device and method.The fiber powder preparation device comprises three supporting columns, and fixing lugs are fixedly connected to the tops of the supporting columns; and the upper tower assembly comprises a first flange, a first ring groove is formed in the top of the first flange, and a first sealing strip is fixedly connected into the first ring groove. According to the preparation device and method of the fiber powder, the drying tower is divided into two parts through the upper tower body and the lower tower body, and the lower tower body is stored in the upper tower body and then is preheated, so that the space of an internal cavity is reduced, a cavity formed by the upper tower body and the lower tower body can be rapidly preheated by heating gas after the heating gas is introduced, and the drying efficiency of the fiber powder is improved. And the preheating time of the lower tower body close to the inner wall of the bottom is shortened, the occupied transportation space can be reduced through the telescopic upper tower body and the telescopic lower tower body, and therefore transportation of the upper tower body and the lower tower body is facilitated.

This invention relates to a biomimetic and diffusion welding laser selective melting equipment cylinder temperature control structure and method, belonging to the field of laser selective melting metal additive manufacturing. It includes: multiple cylinder components, which are fixedly connected to form a complete cylinder. Each cylinder component comprises an inner cylinder, an outer cylinder, and biomimetic flow channels. These flow channels are etched onto the surfaces of the inner and outer cylinders, the outer cylinder facing the inner cylinder, or the two opposing surfaces of the inner and outer cylinders. The inner and outer cylinders are welded together using vacuum diffusion welding. Fluid media circulate within the biomimetic flow channels to heat or cool the cylinder. This ensures uniform temperature distribution within the cylinder, ease of processing and maintenance, and allows for rapid cooling or heating with various cooling or heating media.

The utility model relates to cross -film self -adhesion waterproof roll material technical field, concretely is a kind of cross -film self -adhesion waterproof roll material production equipment, it includes production table, preheating tensioning mechanism, cooling mechanism and sliding block: preheating tensioning mechanism is set in the end of production table;Cooling mechanism is set in the top of workbench;Sliding block is slidably arranged on preheating tensioning mechanism.The utility model is through the setting of winding assembly and preheating tensioning mechanism, motor one is rotated winding by winding roller and is rolled, motor two drives the air in preheating roller to flow quickly to thus accelerate the preheating of preheating roller, spring two and spring three can be according to the size of roll material adjust the position of pressing plate and preheating roller, like this can ensure that roll material keeps flat in production process, avoid the wrinkle, deformation or thickness uneven caused by slackening, to improve the appearance quality and size precision of roll material, and make roll material base material and glue layer heat consistent, avoid the performance difference caused by local overheating or supercooling.

The present application relates to the field of cigarette technology, and particularly relates to a production method of a heat-not-burn cigarette and a cigarette. The production method of the heat-not-burn cigarette comprises the following steps: common tobacco shred production: mixing a tobacco powder mixture with a porous fiber base material to press a common tobacco sheet with a set thickness, and cutting the common tobacco sheet to obtain common tobacco shreds; heat-conducting tobacco shred production: attaching a heat-conducting metal material on the common tobacco sheet or attaching the heat-conducting metal material on the porous fiber base material to obtain a heat-conducting sheet, the surface density of the heat-conducting sheet being the same as that of the common tobacco sheet, and cutting the heat-conducting sheet to obtain heat-conducting tobacco shreds; and cigarette production: uniformly mixing the heat-conducting tobacco shreds and the common tobacco shreds with a set proportion, and rolling the heat-conducting tobacco shreds and the common tobacco shreds into cigarettes by using a cigarette rolling machine. The present application can improve the heat-conducting performance of the cigarette while not increasing the suction resistance, increase the release amount of smoke during smoking, and ensure the consistency of the product.

The invention relates to the technical field of energy-saving rotary cement kilns, in particular to a heat recycling energy-saving rotary cement kiln which comprises a base, a plurality of rotating devices are rotatably connected to the upper surface of the base, a rotary kiln is rotatably connected between the inner sides of the rotating devices, and a first fixing part is rotatably connected to the outer surface of one end of the rotary kiln in a penetrating mode. The top of the first fixing piece is in through connection with a fan, the top of the fan is in through connection with an air inlet pipe, the end, away from the fan, of the air inlet pipe is in through connection with a sealing box, the end, away from the air inlet pipe, of the sealing box is in through connection with a short pipe, and the other end of the short pipe is in through connection with a feeding piece. When the rodless air cylinder drives the rack to move upwards, the sealing piece at the bottom can be closed, the sealing piece at the top is closed after cement is put in, the cement is preheated through waste heat generated by the rotary kiln, the preheated cement falls into the rotary kiln, and due to the fact that the temperature of the cement is increased, the needed heat is reduced, and the energy consumption is reduced. Therefore, the firing heat consumption of the clinker is reduced.

The utility model belongs to the field of air pumps, particularly relates to an air source low-noise heat pump, and provides an air source low-noise heat pump aiming at the problems that when air is heated, the heating efficiency is low, and a heating element can generate high-frequency noise during working, which comprises an outer shell and an inner shell, a ceramic plate for absorbing vibration is arranged between the outer shell and the inner shell; the air suction structure is fixedly connected to the top of the outer shell; the preheating plate is detachably mounted on the inner shell; the air heater is used for conducting high-temperature heating on preheated air, the air compressor is used for conducting compression treatment on the air, and the air heater and the air compressor are installed in the inner shell. And the heating efficiency is improved, and noise can be effectively absorbed through the arranged ceramic plate.

The invention discloses an air cooling type methanol reforming fuel cell system control method which comprises the following steps: after a controller of an air cooling type methanol reforming fuel cell system is powered on, the controller automatically enters a self-inspection state to inspect electrical and communication faults of the system; when no fault is found, the controller jumps to a preheating starting state after receiving a starting instruction; when a fault is found, the controller receives a debugging instruction and then jumps to a debugging state for troubleshooting; when the controller is in the preheating starting state and the temperature of the subsystem component meets the target temperature, the controller automatically jumps to a power generation preparation state; when the controller is in the power generation preparation state, the heating mode of the combustion chamber is switched, and the controller jumps to the power generation state after receiving the power generation instruction; when the controller is in a power generation state, the controller controls the actuator component according to a load power demand to complete methanol reforming hydrogen production and power output of the fuel cell stack; and after the controller receives the shutdown instruction, the controller jumps to the shutdown state. The control method provided by the invention solves the problems of start preheating of the methanol reforming fuel cell system, pile inlet and outlet temperature control, pile temperature uniformity control and the like.

The application discloses an energy-saving natural gas internal combustion generator set, which is characterized by comprising a box shell, a generator set whole, an exhaust device, a filtering device and a preheating device; any side surface of the box shell in the width direction is provided with an air inlet, and the length direction side surface is provided with an air outlet; the exhaust device comprises an exhaust pipeline which extends upwards to the top of the box shell; the preheating device is arranged on the side surface of the box shell of the air inlet and is communicated with the air inlet; the preheating device comprises a plurality of heat exchange pipelines, and the gaps between the heat exchange pipelines are used for gas flow, so that the gas outside the box shell enters the box shell through the gaps; the preheating device further comprises an air inlet part and an air outlet part which are communicated with the two ends of the heat exchange pipelines; the air inlet part extends into the box shell and is communicated with the exhaust pipeline, and the air outlet part is communicated with the exhaust pipeline outside the box shell, so that the hot gas in the exhaust pipeline is introduced into the air channel and then is discharged into the exhaust pipeline through the air outlet part, thereby heating the cold gas flowing through the gaps and improving the temperature of the gas entering the box shell.

The utility model belongs to the field of additive manufacturing relates to a kind of optical system for additive manufacturing, including laser generating device, first spectroscope, laser forming device, powder bed preheating device and beam combiner;Powder bed preheating device includes power regulating device;Laser generating device generates incident laser;First spectroscope is set on the light path of incident laser and is divided into forming beam and preheating beam by incident laser;Forming beam is incident to beam combiner after laser forming device;Preheating beam is incident to beam combiner after power regulating device and is emitted after beam combining with forming beam.The utility model provides a kind of optical system for additive manufacturing, preheating temperature is adjustable controllable, preheating temperature is more accurate and can effectively reduce the time consumption of preheating.

This application provides a control method, control device, and power system for a power unit. The power unit includes a range extender, a first heating device, a power battery, and a second heating device electrically connected to the power battery. The power battery supplies power to the second heating device. The method includes: acquiring the temperature of a first liquid; controlling the first and second heating devices to operate when the temperature is less than or equal to a temperature threshold and a first and a second temperature threshold are greater than or equal to a second temperature threshold; controlling the second heating device to operate when the current battery charge is greater than or equal to a charge threshold and the vehicle is not starting for the first time; and controlling the second heating device to operate when the current battery charge is less than a charge threshold, the vehicle is not starting for the first time, and the difference between the vehicle's braking power and the power battery's maximum charging power is greater than or equal to a difference threshold. This method solves the problems of unintelligent control and low energy utilization of heating devices in power units.

The utility model discloses a portable rapid weld preheating device which comprises a heating pipe, the side face of the heating pipe is connected with a gas collector through a drainage pipe, a gas inlet of the gas collector is connected with a steel wire hose, and a plug valve, a backfire arrestor, a gas pressure gauge and an adjusting valve are sequentially installed on the steel wire hose. And a plurality of heating holes are formed in the heating pipe. The device is scientific and reasonable in structural design, adopts flames to preheat welding seams by arranging structures such as the heating pipe, the gas collector, the drainage pipe, the steel wire hose and the backfire preventer which are matched for use, is high in preheating speed and saves welding time, and in addition, different types of heating pipes can be configured according to the positions, angles, lengths and the like of the welding seams, so that the welding efficiency is improved. The rapid weld preheating device is light in weight, few in corollary equipment and convenient to install and transport.

The invention discloses an electric forklift integrated heat pump heat management system which comprises a refrigerant loop and a cooling liquid loop, the refrigerant loop comprises a compressor, a four-way reversing valve, a cabin external heat exchanger, a one-way valve, a capillary tube, a first expansion valve, a cabin internal heat exchanger, a second expansion valve, a heat exchanger and a gas-liquid separator; the cooling liquid loop comprises a heat exchanger, a first water pump, a battery liquid cooling plate, a PTC heater, a radiator, a second water pump, a traction motor water jacket, a traction motor electric control water jacket, a main pump motor water jacket, a main pump motor electric control water jacket, an auxiliary pump motor water jacket and an auxiliary pump motor electric control water jacket. The integrated heat pump heat management system is adopted, the system integration degree is improved, and the winter endurance is improved by improving the winter heating energy efficiency; under different working conditions, through switching of multiple thermal management modes, a simultaneous thermal management function of a cabin, a battery, a motor and motor electric control is realized.

The utility model relates to a stage lamp with a lamp holder self-preheating function, which comprises a support frame and a lamp holder pivoted on the support frame, the lamp holder is provided with a light emitting lens and a light source emitting light beams towards the direction of the light emitting lens, the lamp holder is also internally provided with a mounting plate, the mounting plate is provided with a light through hole positioned on the light beam path of the light source; the anti-dazzling screen is movably arranged in the lamp holder; the driving device is in transmission connection with the anti-dazzling screen; the driving device drives the anti-dazzling screen to cut into the light through hole so as to prevent the light source beam from emitting towards the light emitting lens; the driving device drives the anti-dazzling screen to cut out the light through hole so as to allow the light source beam to be emitted towards the direction of the light emitting lens. According to the stage lamp with the lamp holder self-preheating function, the self-preheating function in the lamp holder can be achieved, the driving motor in the lamp holder can be conveniently heated in advance in a low-temperature working environment, light rays are prevented from being emitted from the light emitting lens before the driving motor normally operates, and the lighting effect of the stage lamp is ensured.

The present invention relates to a scrap steel preheating device and a preheating method, belonging to the technical field of iron and steel metallurgy. The scrap steel preheating device comprises a ladle with an opening at the top and a ladle cover arranged at the opening of the ladle. The ladle cover is provided with a burner that can be inserted into the ladle, and the burner is connected with a fuel pipeline, an oxygen pipeline and an air pipeline, so that the burner can use air and / or oxygen for combustion. The ladle cover is also provided with a smoke exhaust pipeline, and the smoke exhaust pipeline is provided with a smoke temperature detection device. When the scrap steel is preheated, the scrap steel to be preheated is added to the ladle in multiple times, and after each addition of the scrap steel, the scrap steel is preheated to a set temperature through the burner. The present invention realizes dual combustion of the burner by connecting the burner with the fuel pipeline, the oxygen pipeline and the air pipeline; by adopting different heating methods in different heating stages, not only the fuel is saved to the maximum extent, but also the heating speed is improved, and the cost of scrap steel preheating is reduced.

The invention discloses a turnout steel rail heel end integral multi-station forming device and hot forging forming equipment. The forming device comprises a module, a fixing plate and a template. The modules comprise an upper module and a lower module, a plurality of heating elements are arranged in the upper module and the lower module, and the heating elements are used for preheating the upper module and the lower module; the fixing plate comprises an upper fixing plate and a lower fixing plate, the upper fixing plate is arranged above the upper module, and the lower fixing plate is arranged below the lower module; the mold plate comprises an upper mold plate and a lower mold plate, the upper mold plate is arranged above the upper fixing plate, a fastening device used for being connected with the upper fixing plate is arranged on the upper mold plate, the lower mold plate is arranged below the lower fixing plate, and a separating device used for separating the lower fixing plate is arranged on the lower mold plate. The device can quickly preheat the module, the position of the heating rod is arranged according to the shape and size of the module, the temperature can be controlled according to different preheating requirements of the module, the module heating speed is high, the continuous heating time of the heating rod is short, and damage is reduced.

The invention discloses a steel ladle baking system and method based on alternate retraction combustion. The steel ladle baking system comprises a steel ladle, an alternate retraction device, a first burner and a second burner. The two burners are periodically and alternately lifted in the steel ladle through the alternate retraction device, so that the thermal shock to scrap steel in each area and each depth in the steel ladle is greatly improved, generated high-temperature flue gas even can be radiated to the bottom position of the lower layer of the steel ladle, and the preheating and soaking effects of the scrap steel are greatly improved compared with a traditional mode; the problems of waste steel condensation and uneven local baking of the steel ladle are greatly relieved, and meanwhile the service life of the steel ladle furnace lining is remarkably prolonged. In addition, the device has the advantages of being simple in structure, easy to operate, high in control precision, excellent in steel scrap soaking effect, low in investment and operation cost and the like.