35results about How to "Enough temperature" patented technology

The invention relates to a method for melt spinning, stretching and winding a multifilament thread to form an FDY yarn, and a device for carrying out the method. First, a plurality of filaments made from a thermoplastic melt are extruded, cooled to a temperature below the glass transition temperature of the plastic material, and combined to form a filament bundle with no addition of a preparation fluid. Then, the filament bundle is drawn off at a speed of greater than 1500 m/min, heated to a temperature above the glass transition temperature of the thermoplastic material and stretched at a stretching speed of greater than 4000 m/min. The filament bundle is led through a hot air atmosphere of a heating tube for providing non-contact heating. Then, the filament bundle is prepared with a preparation fluid and the thread is wound into a coil. In the device according to the invention, the preparation device is disposed downstream of the heating means in the thread direction, wherein the heating means, which is a heating tube with a hot air atmosphere for non-contact heating of the filament bundle, is disposed between the drawing-off galette and the stretching galette.

The invention relates to a method for local heating of a viscous elastic component of a hydrostatic actuator of a vehicle, in particular a hydrostatic clutch actuator, in which the hydrostatic actuator (13) comprises a cylinder (7), in which a piston (6) is mounted axially movable , by an electric motor (14) is moved via a transmission (5), whereby a hydraulic fluid (8) in a hydraulic path of the hydrostatic actuator (13) is moved opposite to the area with viscous elastic components (19, 20, 21) is sealed. is the case of a method in which the operation of the hydrostatic actuator over a wide temperature range, at least one viscous elastic component (19, 20, 21) at low outdoor temperatures, and when the ignition of the vehicle is controlled by a current supply of an electrical circuit (22).

The invention discloses a slender type double-shaft mixer with a heating heat-preservation function and belongs to the technical field of hot in-place recycling of asphalt pavements. The slender typedouble-shaft mixer comprises a mixing cylinder and two stirring shafts. The mixing cylinder is constituted by an outer cylinder body and an inner cylinder body, and the part between the outer cylinderbody and the inner cylinder body is filled with a heat-preservation material; an abrasion-resistant lining plate is mounted in the mixing cylinder in a sleeved mode, and the top of the mixing cylinder is covered with a heating plate; each stirring shaft is in a sectional type, and the sections of each stirring shaft are connected through connecting short shafts; mounting frames are arranged in the positions, on the upper portions of the connecting short shafts, of the mixing cylinder and provided with bearing seats in a hoisting mode; and the connecting short shafts are mounted in the bearingseats. The adopted structure is convenient to maintain, errors are small, and a new asphalt and used asphalt mixture is heated and mixed, so that a constructed asphalt pavement is higher in quality and better in effect.

The invention provides a nitrogen heater. The nitrogen heater comprises a cylinder with a gas storage space inside, a nitrogen inlet and a nitrogen outlet, wherein the nitrogen inlet and the nitrogenoutlet are arranged at two ends of the cylinder; at least one heat exchange tube is arranged in the cylinder; one end of the at least one heat exchange tube is connected with the nitrogen inlet, and the other end of the at least one heat exchange tube is connected with the nitrogen outlet; the cylinder is further provided with a steam inlet and a steam outlet which communicate with the gas storagespace; a plurality of baffle plates arranged in parallel are arranged between the steam inlet and the steam outlet in the cylinder; and every two adjacent baffle plates are arranged in a staggered manner. Heating is performed through heat exchange between steam and nitrogen; while it is guaranteed that the nitrogen can be heated to the enough temperature, the temperature of the nitrogen is not too high, so that damage to a precision device to be cleaned or dried is avoided, and meanwhile, the situation that the volume of the nitrogen is excessively expanded due to the fact that the nitrogen is excessively heated, thus avoiding the explosion of the cylinder.

The invention provides a polyvinyl chloride-based composite material suitable for medium-high frequency sound absorption and a preparation method thereof. The polyvinyl chloride-based composite material comprises the following raw material components by mass: 100 parts of polyvinyl chloride, 3-5 parts of an organic tin stabilizer, 100-130 parts of a plasticizer, 25-30 parts of an acrylonitrile-butadiene-styrene terpolymer, 0-50 parts of diatomite and 0-4 parts of an AC foaming agent. The polyvinyl chloride-based composite material provided by the invention has excellent sound absorption performance, the average sound absorption coefficient within 1000-6300Hz is 0.2-0.35, and the polyvinyl chloride-based composite material is suitable for medium-high frequency sound absorption materials.

The invention relates to a nozzle type catalytic muffler for an automobile diesel engine. The nozzle type catalytic muffler is characterized in that an adblue nozzle is arranged on an air inlet pipe outside the SCR catalytic muffler, and meanwhile, a flow guide device for changing the air flow direction is arranged in the muffler; by changing the air flow direction, tail gas and a high-purity ureasolution for a vehicle are fully mixed and then subjected to catalytic reduction treatment, so that the length of an exhaust pipeline of the engine is shortened, space is saved, and cost is reduced;in addition, heat preservation layers are arranged outside an air inlet cavity and a catalytic cavity of the catalytic muffler, the heat preservation effect on the tail gas is achieved, and a catalytic reduction reaction is facilitated; and a cooling flow channel for cooling water to flow is arranged outside an exhaust cavity of the catalytic muffler, cooling water in the cooling flow channel andan automobile heating system are arranged in the cooling flow channel, waste heat in the tail gas is used for providing a heat source for the automobile heating system, and therefore the purposes of saving energy and reducing emission are achieved.

The invention discloses a multifunctional torrent rescue life jacket with high safety and a using method, and belongs to the technical field of life jackets. The rescue life jacket comprises a rescuelife jacket body, wherein a pocket is arranged at the waist part of the front side of the rescue life jacket body; a waterproof illuminating lamp is arranged at the position, which is close to the shoulder on the right side, of the front side of the rescue life jacket body; a flashing lamp is arranged at the position, which is close to the left shoulder, of the front side of the rescue life jacketbody; a water storage assembly is arranged at the chest of the rescue life jacket body; a storage assembly is fixedly arranged at the top of the water storage assembly; and an elastic scaling hose iswound on the storage assembly. By arranging the waterproof illuminating lamp and the flashing lamp, the rescue life jacket body has the functions of illuminating and prompting the position of a lifeguard, the rescue is facilitated, the lifeguard can be easily found by a drowning person, and the use requirements of the lifeguard during night rescue can be met.

The invention provides a hand-held high-temperature weeding machine convenient to operate. The weeding machine comprises a machine head, a weeding attachment and a handle; a high-temperature generating device is arranged in the machine head, and the weeding attachment communicates with the high-temperature generating device; and the weeding machine further comprises a battery pack, and the batterypack is electrically connected with the high-temperature generating device and supplies power to the high-temperature generating device to make the high-temperature generating device operate. According to the weeding machine provided by the invention, the power is supplied to the high-temperature generating device through the battery pack, so that the weeding machine works; and compared with a current power supply mode through a power line, the power supply mode disclosed by the invention makes the weeding machine more convenient to operate, the weeding machine is not pulled by the power linewhen working, the weeding machine can be operated in any directions, the weeding machine is not affected by a length of the power line to affect operation distance, and the weeding machine can be conveniently held to each working environment; and the problem that operation cannot be performed because a socket cannot be found when working is performed outdoors is well avoided, the weeding machinecan be very suitable for outdoor work, an application range of the weeding machine is improved, and operational convenience of the weeding machine is improved.

The invention relates to automatic packaging equipment based on machine vision. The automatic packaging equipment comprises a multi-axis robot and a winding band packaging machine used for packaging grabbed modules. The multi-axis robot is provided with a mechanical gripper used for grabbing the modules to be packaged. The mechanical gripper is in screwing connection with the multi-axis robot. Thepackaging equipment further comprises a camera used for collecting module images. After the camera collects the module images, the multi-axis robot rotates the mechanical gripper to the designated angle according to the placing angle of the modules in the module images, and the mechanical gripper grabs the modules and conveys the modules to the winding band packaging machine to be packaged. Compared with the prior art, based on the machine vision, the placing direction of the modules can be recognized, then the modules can be located at any position and placed at will, the freedom degree is high, and thus the working efficiency is improved.

The invention belongs to the technical field of coal gangue heat utilization, and particularly relates to a method for inhibiting spontaneous combustion of a coal gangue pile and extracting heat of the coal gangue pile for application. The method comprises the following steps: S100, a site without underground water seepage is selected, and a foundation pit is excavated; S200, multiple sets of coaxial sleeves which are arranged in the transverse and longitudinal direction are put into the foundation pit; S300, coal gangue is filled layer by layer, the coaxial sleeves are kept upright and not inclined during backfilling, backfilling is conducted till the position 0.5 m below the ground surface, then a covering layer is laid on the coaxial sleeves for heat preservation, and heat of the coal gangue pile cannot be dissipated into the atmosphere; S400, two rows of exhaust holes are reserved at the two ends of the covering layer, and the exhaust holes are connected with an earth surface air source heat pump for heating; and S500, each of the coaxial sleeves comprises an outer pipe and an inner pipe which are coaxially arranged, water is injected between the outer pipe and the inner pipe through a water pump, water is pumped from the inner pipe, and the pumped hot water is applied.

The invention relates to the technical field of injection molds, in particular to a heat-insulating energy-saving type injection mold. The heat-insulating energy-saving type injection mold comprises a face plate, a hot-runner plate, a fixed mold plate, a movable mold plate, a movable mold plate supporting plate, mold feet and a bottom plate which are sequentially arranged from top to bottom. A bottom needle plate located on the upper surface of the bottom plate is arranged between the mold feet. A surface needle plate is arranged on the upper surface of the bottom needle plate. An injection nozzle penetrates through the face plate, the hot-runner plate and the fixed mold plate, and a heat-insulating plate cushion plate is arranged on the upper surface of the face plate. The heat-insulating energy-saving type injection mold is high in use safety, the injection effect of materials which are heated to be molten is good, and the quality reliability of injection products is high.

The invention belongs to the technical field of aquatic feed, and particularly relates to breeding feed for larimichthys crocea fries and a preparation method of the breeding feed. According to the invention, the puffed corn flour, the puffed soybean flour, the puffed tapioca flour and the puffed rice flour are added according to a specific proportion, so that the purposes that main nutritional ingredients in the feed are balanced and are easy to digest and absorb are achieved. According to the invention, a preheating type screw bulking machine is also utilized to carry out specific and sufficient bulking operation on the four crushed materials, so that the basic advantages of sterilization, food calling and easy absorption of the bulked powder are realized. The invention has the following advantages: 1, four kinds of puffed powder have basic advantages of high-temperature sterilization, good flavor, high food calling property, easy digestion and easy absorption of nutrient substances; secondly, four kinds of puffed powder are added according to a specific proportion, so that the proportion of main nutrient substances such as starch, grease, vitamins and protein is suitable for breeding the larimichthys crocea fries;

The invention discloses a steel head temperature-controllable water penetration device. A steel head penetrating through the water penetration device is not subjected to water treatment or is subjected to less water treatment, so that enough steel head temperature is ensured. Comprising a water tank, a mounting support and a cooler are arranged above the water tank, the cooler is fixed to a supporting beam, the two ends of the supporting beam are fixedly supported on the mounting support, the cooler comprises a water penetrating guide pipe with a through steel running hole, a water filling cavity is formed in the front end of the water penetrating guide pipe, and a first cooling groove is formed in the position, at the rear end of the water filling cavity, in the steel running hole; a second cooling tank provided with a water blocking nozzle is arranged at the rear end of the water penetrating guide pipe, a water inlet guide pipe is arranged at the front end of the water penetrating guide pipe, a first electric control valve is arranged on the water inlet guide pipe, and a water outlet guide pipe is arranged at the rear end of the water penetrating guide pipe; and a hot metal detection device with the detection direction pointing to the axis of the steel running hole is arranged at the front end of the water tank in front of the cooler.

A comprehensive energy air channel well power generation station comprises an air channel well perpendicular to the ground and with a plurality of air feeding channels arranged on the base portion. A solar preheating chamber surrounds the periphery of the base portion, the base face of the solar preheating chamber is aligned with the base face of the air channel well, and the top face of the solar preheating chamber is higher than the air feeding channel, and more than one wind driven generator with an air flow driving device is arranged in the air channel well. The solar preheating chamber is provided with a heat collection device and a light condensing device. A peak shaving device comprises a motor-driven air compressor connected with the wind driven generator, a charge-discharge device and a power distribution control device. The air compressor is connected with a group of air storage tanks through a pipe. Therefore, the power generation station is capable of comprehensively utilizing various natural energies to generate power and has the functions of shaving peak and compensating.

The invention discloses an electronic control steam electric iron and a temperature control method thereof, and belongs to the technology of steam electric irons. According to an existing control method of a steam electric iron, in the steam generation process, after the temperature of an iron bottom heating assembly is reduced, the response to start heating again is slow, the temperature point islow when a bottom plate is started to heat again, the bottom plate cannot achieve the optimal steam effect, and the ironing effect is poor. In the water supply steam generation process, the temperature of the iron bottom heating assembly is controlled within a higher temperature range than that when water is not supplied for generating steam, the starting temperature point for restarting heatingafter the temperature of the iron bottom heating assembly is reduced is increased, the starting time point for restarting heating after the temperature of the iron bottom heating assembly is reduced is advanced, the reaction time of a temperature sensor and an electronic controller is saved, the steam is ensured to have sufficient temperature, the bottom plate can achieve the optimal steam effect,and the better ironing effect is achieved.