13891 results about "Heating efficiency" patented technology

A method and apparatus for forming three dimensional objects by laser sintering that includes depositing the required quantities of powder for two successive layers on one side of the process chamber and simultaneously spreading the first layer while transporting the second layer quantity to the opposite side of the process chamber. The invention includes steps of parking the quantities of powder in sight of the part bed heater to pre-heat the powder and flattening the powder wave before the pre-heating step to improve pre-heat efficiency. This method and apparatus can result in reduction of the mechanisms, size, cost, and increase productivity of a laser-sintering device.

The invention discloses a tobacco suction system based on electromagnetic heating. The tobacco suction system is characterized by comprising an end cover (1), a heater (2) and an electromagnetic induction system, wherein the end cover (1) is detachably connected to the heater (2); the end cover (1) comprises a circular cover (11) and a filter tip (13); the heater (2) comprises a shell (21), an inner container (23), a base plate (24) and a cylindrical iron core (25); the electromagnetic induction system comprises an induction coil for heating the inner container (23), the base plate (24) and the cylindrical iron core (25), and a temperature control circuit. By heating the inner container, the base plate and the cylindrical iron core through the electromagnetic induction system, the heating speed can be increased, the heat efficiency is high, and instant heating can be realized, thereby better meeting the requirement of good suction mouthfeel; due to the arrangement of the cylindrical iron core, tobacco products can be heated uniformly and fully, and waste caused by insufficient heating of the tobacco products can be avoided. The tobacco suction system is suitable to be popularized and applied.

The invention discloses an electromagnetic induction heating electric hair dryer, pertaining to an airflow generation and heating device. The electrical-heating hair dryer in the prior art has problems and defects in the aspects of application environment, energy saving, safety, noise, comfort, etc. A heater of the hair dryer of the invention comprises an electromagnetic induction eddy-flow heating component served as a heat generation component, electromagnetic coils winding outside the heat generation component and an electronic control circuit that is electrically connected with the electromagnetic coils and positioned outside an airflow channel. As the electric hair dryer adopts the electromagnetic induction to heat air, compared with the hair dryer with electrical heating in the prior art, the heating efficiency of the hair dryer of the invention is greatly improved and the heated air can smoothly flow in the airflow channel, thus the power consumption and operating noise of the hair dryer are remarkably reduced; the flowing speed of the airflow and the temperature distribution at the outlet section of the electric hair dryer are more even and the hair dryer is safer and more comfortable and can save more electricity when in use.

The invention discloses a preparation method for an energy-saving anti-icing/deicing coating combining a super-hydrophobic coating and a heating coating. The preparation method includes seven steps. The novel heating coating is added based on the super-hydrophobic coating, the super-hydrophobic coating anti-icing technology and the heating anti-icing technology are combined, and a novel anti-icing technology is provided. The super-hydrophobic coating is obtained by modifying commercial gas-phase silicon dioxide with fluoroalkyl silane, mixing the modified commercial gas-phase silicon dioxide with resin according to a proper proportion and meanwhile adding heat-conductive particles. The heating coating is obtained by evenly spraying high-temperature-resistant conductive resin into a fixed shape and then attaching aluminum foil to two ends as electrodes. The preparation method for the energy-saving anti-icing/deicing coating combining the super-hydrophobic coating and the heating coating has the advantages of coating anti-icing and electric heating anti-icing, improves the heat efficiency by changing the heating mode, and realizes efficient and energy-saving deicing.

The invention discloses an electromagnetic heating type suction device used for heating a non-combustible cigarette. The electromagnetic heating type suction device used for heating the non-combustible cigarette comprises an end cover, a heater and an electromagnetic induction system, wherein a heating cavity for holding the heated non-combustible cigarette is reserved in the heater, the end cover is detachably and combinably connected to the suction end portion of the heater, a filter tip is arranged on the end cover and is communicated with an inner cavity of the heating cavity, a round cover is arranged on the end cover, a plurality of air inlets are formed in the round cover and are communicated with the inner cavity of the heating cavity, the electromagnetic induction system comprises a temperature control circuit and an induction coil electrically connected onto the temperature control circuit, and the induction coil spirally winds the heating cavity. The electromagnetic heating type suction device used for heating the non-combustible cigarette has the advantages that a liner heating body is heated electromagnetically via the electromagnetic induction system, and the cigarette is heated by the liner heating body, so that heating speed can be increased, heating efficiency and heating speed are high, transient heating can be realized, needs for satisfying suction taste are met, heating is uniform, and the cigarette can be heated fully to prevent cigarette waste resulted from insufficient heating.

The invention discloses a baking type atomization device which comprises a shell, a baking chamber arranged in the shell, a heating unit, an air inlet and an air outlet. The baking chamber is sleeved with the heating unit. The baking type atomization device further comprises an air guide ring, the air guide ring is provided with a cavity suitable for containing the baking chamber, a first gap communicated with the air inlet is arranged between the outer wall of the air guide ring and the inner wall of the shell, and a second gap for being communicating the first gap and the baking chamber is arranged between the heating unit and the inner wall of the air guide ring. According to the baking type atomization device and an aerosol inhalation device, the double-heating mode of circumferential type heating and thermal current heating is used for heating the baking chamber and preheating air in the second gap, so that the temperature in the baking chamber rises rapidly, the baking time is shortened greatly, therefore, rapid heating is achieved, electric energy is saved effectively, and the heating efficiency is improved. The invention further provides the aerosol inhalation device with the baking type atomization device.

The invention is about a submerged combustion method and the device; in details, it is a submerged combustion method and the device utilizing turbine heat engine principle. In the invention, turbine power combustion means is used and substituted conventional submerged combustion system that must equip air blowing means. The high temperature gases generated from the combustion within the turbine power combustion means will do works on turbine, which will drive the air compressor means of the turbine power combustion means to induce air for combustion, and will drive the second-time complete combustion of high temperature gases and the complement fuel, and then the gases will come out from water bottom against tank water pressure and carry out heat interchange with tank water. The turbine submerged combustion boiler device of the invention need not equip air blowing means additionally which would consume energy. So it has high energy efficiency and a simple system structure. And it has features of high heat interchange rate, stable long term heat efficiency, environmental protection, etc.

Disclosed is an air fryer which comprises a fryer rack, a fryer body, a cover and a base. The fryer body is located in the fryer rack which is located in the base, and one end of the cover is hinged to the tail of the fryer rack while the other end of the cover is connected with the front of the fryer rack in an openable and closable manner. The air fryer further comprises a hot air circulation structure which comprises an axial flow fan, a wire heater and a hot air passage, the axial flow fan is mounted in the front of the fryer rack, an axial air suction opening of the axial flow fan is located in a hole between the fryer body and the fryer rack, a radial air outlet of the axial flow fan is communicated with an outlet at the bottom of the hot air passage which is disposed vertically and located in the cover, the outlet of the hot air passage is horizontal in direction and communicated with an inner cavity of the fryer body, and the wire heater is located in the hot air passage. The air fryer is capable of effectively lowering power consumption and high in heat efficiency.

A magnetic heat pump system which arranges permanent magnets at the two sides of a magnetocalorific effect material to thereby strengthen the magnetic field to improve the cooling and heating ability, which magnetic heat pump system uses first and second magnets which move inside and outside of the containers in the state facing each other to change a magnitude of a magnetic field which is applied to a plurality of containers in which a magnetocalorific effect material is stored so as to change a temperature of a heat transport medium which is made to flow through the containers by a reciprocating pump, the intensity of the magnetic field which is applied to the magnetocalorific effect material in the containers being increased to enlarge the change of temperature of the heat transport medium which is discharged from the magnetic heat pump and improve the cooling and heating efficiency.

The invention discloses a multifunctional electric cooker with high heating efficiency. The multifunctional electric cooker with high heating efficiency comprises a handle, an upper top cover, a lower top cover, a pot body, a heating tank, a baffle, a liner, a spring pipe, a bottom heating resistance wire, side heating resistance wires, a safety buckle, a gas pressure meter, a gas pressure valve, a filtering bowl and a heat isolation shell, wherein the handle is connected with the lower top cover through the upper top cover, the lower top cover is connected with the heating tank through the pot body, the baffle is welded to the inner side of the pot body, the liner is arranged on the inner side of the baffle and connected with the heating tank through the spring pipe, the bottom heating resistance wire is arranged on the inner side of the heating tank, and the side heating resistance wires are arranged on the left side and the right side of the liner. The multifunctional electric cooker adopts symmetrical design, and the structure design is simple; by adoption of a three-face heating mode, heating efficiency is higher, the heating speed is higher, the electric cooker function and the pressure cooker function are integrated, the airtightness effect is good, the pneumatic control capacity is high, operating power is low, and the multifunctional electric cooker is excellent in performance and has high heating efficiency.

The invention discloses a dynamic climate compensation method for centralized heating. Firstly, the outdoor temperature is predicted, water supply and return temperatures are adjusted some time ahead according to the predicted value of the outdoor temperature, and the hysteresis of pipe network adjustment in the manner that adjustment is performed while sampling is overcome. The outdoor temperature of the next day is predicted according to local historical meteorological data and weather forecast of the meteorological department, and the value is used as basic data for prediction of a thermal load; and then the thermal load is predicted, that is, the thermal load curve of the next day is calculated according to the outdoor temperature. With the method, the outdoor temperature is reasonably predicted so as to realize advanced dynamic adjustment of a climate compensator; heating medium parameters of a heating system are adjusted by the aid of an adjusting model according to the thermal load value set in advance, a heat source is changed from original wide passive heating into active heating, on the premise that the indoor temperature for the user is stable, the operation adjusting indictor of the heating system within the specified time are given in advance, the heating efficiency is improved, and the heating energy consumption is reduced.

The invention provides a hot forming tool of a titanium alloy thin-wall part, comprising five parts, namely stretching equipment, a mould device, a blank, a power supply system and a temperature control system, wherein the mould device is arranged on a central worktable of the stretching equipment; the blank passes through a side wall crack of the mould device; an insulating and heat-insulation cushion layer is used for insulating the blank, a clamp of the stretching equipment, the surface of a mould and a tool of the mould; the power supply system is switched on to electrify an electrode clamping plate and generate a current in the blank; the blank is heated and the temperature of the blank is measured and controlled by the temperature control system; and after the temperature of the blank reaches a target temperature, the part is formed on the surface on the mould by the blank in an adhered manner through carrying out hot forming processes successively including stretching, covering, stretching, heat preservation and creep deformation and the like on the stretching equipment. A machining method of the hot forming tool of the titanium alloy thin-wall part comprises eight steps. According to the invention, the heating efficiency, the process integration, the material formation and the formation precision of the titanium alloy thin-wall part in manufacture are greatly improved, so that the hot forming tool of the titanium alloy thin-wall part and the machining method of the hot forming tool have a practical value and a popularization value.

A heat pump system including a water-cooled type heat exchanger, which is a heat supply means, mounted on a first bypass line bypassing a second indoor heat exchanger to collect waste heat of vehicle electric devices to thereby enhance a heating efficiency of the heat pump system. The heat pump system for a vehicle includes: a branch line for connecting a refrigerant circulation line of the second indoor heat exchanger and the first bypass line with each other; a second bypass line, which bypasses an outdoor heat exchanger; and a control part that controls a flow of the indoor air to be introduced into an air-conditioning case, whereby the heat pump system can minimize influences of the outdoor air of low temperature even when the outdoor temperature is below zero, enhance the operation and the heating performance of the heat pump system by collecting waste heat of the vehicle electric devices and heat sources of the indoor air, and increase the mileage of the vehicle by minimizing operation of an electric heater.

A low-temperature heating type electronic cigarette heater comprises a heater component, a composite cigarette core and a cigarette holder portion. The composite cigarette core is consumable and cannot be reused, and the other portions are reusable; the composite cigarette core is composed of a core body and a filtering core in a combined manner and fills the heater component, the core body adopts natural plant fibers as the base material and is provided with tobacco aroma substances in an absorbed manner and tea polyphenol microcapsules, and the filtering core is tobacco paper filtering core compounded with bamboo fibers and is prevented from being carbonized during heating; a cigarette holder is connected to the heater component in a sleeved manner; the heater component comprises a connecting component, a supporting seat, a ceramic heating ring and a heat insulating sleeve. The composite cigarette core contacts with the ceramic heating ring in a cylindrical surface manner, the heating area is large, three ways, namely conduction, convection and radiation, of heat transfer during heating are provided, and the heating efficiency is high; the cigarette core releases contained tobacco ingredients through low-temperature heating, the taste is similar to that of a traditional cigarette, and toxics produced in the burning process can be avoided.

The invention discloses a preparation method of a layered lithium-rich manganese base oxide of a positive material of a lithium ion battery. The preparation method comprises the following steps of: slowly adding transition metal brine solution, alkali liquor and ammonia water which conform to a stoichiometric ratio into a stirring reactor respectively; stirring and heating; aging, filtering, washing and drying the obtained precipitate to obtain a nickel cobalt and manganese composite precursor; proportioning and mixing with a lithium source according to the stoichiometric ratio; adding a fluxing agent of a certain proportion and uniformly mixing in a mechanical mode; placing mixed powder in a furnace for sintering; cooling to room temperature; fully washing with water; and removing remaining fluxing agent to obtain the layered lithium-rich manganese base oxide Li1+xNialphaCobetaMngammaO2 (wherein x is greater than 0 and is less than or equal to 0.33, alpha is greater than or equal to 0 and is less than 1, beta is greater than or equal to 1 and is less than 1, gamma is greater than 0 and is less than 1, and alpha and beta are not zero simultaneously.). According to the preparation method, the heating efficiency is greatly increased, the energy consumption is reduced, and meanwhile, the electrochemical performance of the material is improved; the prepared spherical layered lithium-rich manganese base oxide has no doped phase; and a product has a uniform average particle diameter and superior circulation performance.

The invention discloses a control circuit for cookware material judgment and a method thereof. The method comprises the following steps: when an electromagnetic heating device works, a control unit controls an IGBT (Insulated Gate Bipolar Transistor) so as to enable a heating unit to heat; a signal generating unit outputs pulse signals to an MCU (Micro Controller Unit) of the control unit correspondingly according to the on/off state of the IGBT; the MCU records the input pulse signals and converts the pulse signals into frequency M; the frequency M is compared with preset frequency threshold N, and the type of cookware is determined to be A when the frequency M is higher than the preset frequency threshold N; the type of the cookware is determined to be B when the frequency M is less than or equal to the preset frequency threshold N; and the MCU adjusts related heating parameters according to the determined type of the cookware, so as to enable the electromagnetic heating device to adjust a heating state. The control circuit and the method have the advantages that an electromagnetic oven can be adjusted into a working state corresponding to the material of the cookware, the material of the cookware is judged in good time so as to carry out error check, and the like; and the material of the cookware is accurately updated so as to adjust the heating state and increase the heating efficiency.

The invention relates to a combined heat and power generation energy saving device using afterheat to supply heat and an energy saving method. The combined heat and power generation energy saving device comprises a steam boiler, a steam extraction condensed type steam turbine, an electric generator, a condenser, a deaerator and a cooling tower, wherein the steam extraction condensed type steam turbine is connected with the condenser by an exhaust steam cylinder, and the condenser is connected with the cooling tower to form large waterway circulation; the combined heat and power generation energy saving device also comprises a backpressure turbine, a compression heat pump and a heat exchanger, wherein a steam inlet of the backpressure turbine is connected with a steam extraction hole of the steam extraction condensed type steam turbine, an exhaust steam hole is connected with a steam inlet of the heat exchanger, the compression heat pump is drawn by the backpressure turbine and is connected with the backwater end of a hot-water pipe network, the condenser and the compression heat pump are connected with the cooling tower to form small waterway circulation, the water inlet end of the heat exchanger is connected with the water outlet end of the compression heat pump, the water outlet end is connected with the water inlet end of the hot-water pipe network, and the drainage end is connected with the deaerator. The invention is capable of reducing cold source loss, increasing comprehensive heat efficiency and electrothermal proportion and reducing unit electric-generation coal consumption.

The invention discloses a straight shank linear internal combustion engine. The internal combustion engine comprises a straight shank connecting rod mechanism and a gas distribution mechanism, wherein one end of a connecting rod of the straight shank connecting rod mechanism is connected with a piston via a piston pin; racks are fixed on the connecting rod; when the piston is positioned at a lower dead point, the connecting rod presses a spring on a spring seat; in one engine, two rotating shafts are installed on a cylinder body; the connecting rod passes through semicircular gears on the two rotating shafts; a transmission gear and a semicircular gear are fixed on each rotating shaft; an intermediate gear is meshed with the transmission gears; the semicircular gears can be meshed with or separated from the racks; a timing gear is fixed on one rotating shaft; a flywheel is fixed on the outside part, behind the cylinder body, on one rotating shaft; and the movable center line of the piston in a cylinder sleeve in the cylinder body is vertical to a line connecting the axes of the two rotating shafts. After the straight shank linear internal combustion engine with reasonable structure, high utilization rate of heat efficiency and strong practicability is adopted, the power of the internal combustion engine is improved and the fuel consumption is reduced.

The invention discloses an electric car air conditioning system with an air source heat pump. The electric car air conditioning system has a refrigerating mode, a conventional heating mode, a low-temperature heating mode and a defrosting mode in an electric car, and a main loop of the air conditioning system comprises a compressor, an indoor condenser arranged on an outlet pipeline of the compressor, an indoor evaporator arranged on an air return pipeline of the compressor, an outdoor heat exchanger arranged on a pipeline between the indoor condenser and the indoor evaporator, a first valve arranged between the indoor condenser and the outdoor heat exchanger, a second three-way valve arranged between the outdoor heat exchanger and the indoor evaporator, and a first throttling device arranged between the second three-way valve and an inlet of the indoor evaporator. A by path of the second three-way valve is connected with an inlet of the compressor. In the low-temperature heating mode of the air conditioning system, a middle air supplementing system operates, and the electric car air conditioning system has the advantages of being reliable in operation, high in heating capacity, high in heating efficiency and the like.

A fusing device includes a pressing member, a belt member to rotate in contact with the pressing member, a nip forming member to support the belt member so that nip areas are formed on the pressing member and the belt member at contacting portions thereto, a heating member disposed away from the nip areas, to heat the belt member, and a tension application member to stiffen the belt member so that the heating member is tightly contacted with the belt member. The heating member includes a plate type heating element which is arranged at an upstream side of the nip areas, and to contact an inner circumference of the belt member, in an advancing direction of the fusing belt. The effective width of then nip areas increases, and the increased pressure is exerted to the nip areas, because the fusing belt enters a location where the nip areas are formed in a heated state. Furthermore, heating efficiency of the fusing belt is increased, because the fusing belt is heated while in a tight contact with the heating member. As a result, fusing performance is enhanced.

The present invention discloses multifunctional graphene electrothermal paste, a multifunctional electrothermal film prepared by the same, a preparation method and application. The preparation methodcomprises the following steps that: (1) graphene nanoplatelets are modified by introducing inducible lipidation and cross-linking reaction groups; (2) the modified graphene, a lipidizable and cross-linking reaction emulsion and various kinds of additives are subjected to liquid phase mixing, the above dispersion liquid is induced to undergo in-situ esterification and cross-linking reaction, so that graphene-based homogeneous electrothermal paste can be formed; (3) an electrothermal paste loading matrix is modified, so that the interfacial property of the electrothermal paste and the matrix material can be enhanced; and (4) the graphene electrothermal paste can be combined with different base materials, so that electrothermal products can be prepared. The graphene electrothermal material ofthe invention has the advantages of adjustable resistivity, adjustable use voltage, adjustable heating efficiency, far infrared heating function, flame retardancy, wide application range, high safety, energy-saving performance and the like, and can be applied to home building material manufacturing, human body care, aviation equipment, medical equipment, transportation pipelines, automobiles andother fields.

A method for rapidly heating a mold cavity to a predetermined temperature preferably above the softening or melting temperature of the molding material prior to and during the molding stage thereby increasing moldability and improving quality of molded parts. The mold cavity is formed by two metallic halves on which high-frequency electric current is applied and an electric circuit involving the two halves is formed. Due to the proximity effect, the electrical current flows on the inner surfaces of the two cavity halves, thus rapidly heating the mold cavity. Proper use of insulation behind the cavity surface helps increase heating efficiency. Conformal on-off cooling channels provide both thermal insulation during the heating phase and rapidly cooling of the molded article during the cooling phase.

Systems and methods for generating relatively cool microwave plasma are disclosed. The present invention provides a microwave plasma nozzle that includes a gas flow tube through which a gas flows, and a rod-shaped conductor that is disposed in the gas flow tube and has a tapered tip near the outlet of the gas flow tube. A portion of the rod-shaped conductor extends into a microwave cavity to receive microwaves passing in the cavity. These received microwaves are focused at the tapered tip to heat the gas into plasma. The microwave plasma nozzle also includes a vortex guide between the rod-shaped conductor and the gas flow tube imparting a helical shaped flow direction around the rod-shaped conductor to the gas flowing through the tube. The microwave plasma nozzle further includes a mechanism for electronically exciting the gas and a shielding mechanism for reducing a microwave power loss through the gas flow tube.

The invention provides a method that a biomass and coal are pyrolyzed rapidly to prepare liquid fuel, which belongs to the technology field of energy and chemical industry. The reaction system consists of a riser combustion reactor (10) and a biomass/coal rapid co-pyrolysis reactor. The two reactors are linked circularly through a solid heat carrier. A pyrolysis reactor consists of an upper pyrolysis reactor mixing section (5), a middle pyrolysis reactor cocurrent pyrolysis section (6) and a lower pyrolysis reactor gas-solid separation section (7); the quality ratio of the biomass and the coal is 95/5 to 50/50; the byproduct hydrogen rich gas led for circular reuse in the pyrolysis reactor is regarded as carrier gas and quenching gas; the co-pyrolysis char is completely burnt in the riser combustion reactor (10). The beneficial effects of the invention are capable of operating under normal temperature, simple in process, high in heat efficiency, high in liquid fuel yield, good in quality and suitable for the co-pyrolysis liquefaction of the solid biomass and low rank coal.