33results about How to "Realize direct heating" patented technology

The invention provides a solar medium-temperature heat supply system based on cross-seasonal water body heat storage. The solar medium-temperature heat supply system comprises a solar heat-collecting system, a cross-seasonal heat storage water body, an absorption heat pump, a buffer water tank, a heat user, an auxiliary heat source, water pumps, valves, heat exchangers and a control system. The solar heat-collecting system communicates with the buffer water tank. The cross-seasonal heat storage water body communicates with the heat user and the absorption heat pump through the heat exchangers. The auxiliary heat source communicates with the absorption heat pump and the heat user. According to the solar medium-temperature heat supply system based on cross-seasonal water body heat storage, multi-energy complementary heat supplying can be achieved through solar energy and other energy sources by adjusting different modes; and the requirements for the heat supply water temperature of general city pipe networks can be met; and the solar medium-temperature heat supply system is suitable for supplying heat to buildings in northern China urban areas where solar energy resources are rich and relatively rich.

The invention particularly discloses an electromagnetic liquid heater. The electromagnetic liquid heater comprises a non-magnetism receptor, a magnetism receptor, a magnetic coil, a heat conducting metal part and a control circuit. The non-magnetism receptor is used for accommodating to-be-heated liquid; the magnetism receptor capable of generating eddy currents with the magnetic coil is arranged in a cavity of the non-magnetism receptor; the magnetic coil acts on the magnetism receptor to enable the magnetism receptor to generate heat; the heat conducting metal part contacts with the magnetism receptor and is provided with a temperature probe used for temperature detection; the control circuit is used for controlling operation states of the magnetic coil and connected with the temperature probe. The electromagnetic liquid heater has the advantages that firstly, utilization rate of energy resources can be greatly improved, simple product structure is achieved, and market promotion is facilitated; secondly, due to the fact that the temperature probe and the heat conducting metal part are arranged on the magnetism receptor, the temperature can be further detected beneficially to prevent burning of the magnetism receptor.

The invention provides a phase change heat storage type heat supply system and a control method thereof. The phase change heat storage type heat supply system comprises a refrigerant circulation loopand a water circulation loop, wherein the refrigerant circulation loop is provided with a compressor, a first heat exchanger, a throttling device and a second heat exchanger; the water circulation loop is provided with a heat accumulator and a second heat exchanger; the refrigerant circulation loop and the water circulation loop carry out heat exchange at the second heat exchanger; and the first end of a partial pipeline where the heat accumulator is located also communicates with a cold water inlet through a first water pipeline, and the second end of the partial pipeline where the heat accumulator is located also communicates with a hot water outlet through a second water pipeline. A refrigerant system and a water system of a phase change heat storage water heater can be effectively separated, the heat supply and release efficiency of the heat accumulator can be effectively improved, and the energy efficiency of the system is improved. In addition, refrigerants can also be effectively prevented from being leaked and polluting the water system, and heat storage and user heat supply can be guaranteed at the same time.

The invention provides a laser eutectic welding device and an application method. The device comprises a laser absorbing part, a laser carrier tray and a laser heater. A through hole and a vacuum holein the laser absorbing part is arranged, so that the machining difficulty of an internal micro vacuum hole can be reduced, the inclination side surface of the laser absorbing part enables image scanning equipment to directly identify the position of the laser, and the precision of a paster is improved. In the laser carrier tray, the circulation of laser transmission and negative pressure air is achieved through the vacuum suction hole and the through hole, and the aperture of the through hole is larger than the aperture of the vacuum suction hole, so that the processing difficulty of the micro vacuum suction hole can be reduced, and the passing rate of the laser can be improved. Laser emitted by the laser heater penetrates through a light-transmitting glass sheet and the through hole, andthe laser through hole and the vacuum suction hole are directly irradiated on a laser carrier, so that direct heating of the laser carrier is realized, the heating speed and the cooling speed of thelaser carrier are high, the energy consumption is low, the oxidation speed of the laser carrier is reduced, and the welding quality is improved.

The invention relates to a two-stage efficient soapstock desolventizing system for mixed oil refinement. The system comprises a soapstock temporary storage tank, a soapstock conveying pump, a quick steam heater, a soapstock desolventizing tank and a soapstock circulating pump which are connected in sequence. According to the system, soapstock is quickly and efficiently heated through the quick steam heater; the soapstock is subjected to two-stage multi-time spraying desolventizing in the soapstock desolventizing tank, and especially the soapstock is atomized and subjected to two-stage multi-time desolventizing in the desolventizing tank through circulation; preferably, a foam remover is added, a defoaming agent is not added into the soapstock, the operation is convenient, and the desolventizing is continuous, so that the solvent content of the soapstock can be reduced to the maximum extent and a solvent after removal can be recovered to the maximum extent.

The invention discloses a temperature programming control method for gas chromatography separation. An intermediate frequency coil is utilized to heat a raw material column and / or a separating column. A gas chromatography separation heating temperature program provided by the invention utilizes the intermediate frequency coil to perform non-contact heating; a heating temperature field is stable and average; basically, no differential temperature stress exists; and the temperature programming is combined for realizing the direct heating for the palladium in the separating column. The method has an excellent accelerating effect for promoting the gas chromatography separation.

The invention discloses a waste heat recycling system for an aquarium and a working method thereof, and belongs to the technical field of waste heat recycling. The system comprises a seawater storingpool, a showing pool, a wastewater pool, a condenser, an evaporator, a heating device and a control system. With the adoption of the system, waste heat in the wastewater can be recycled and supplied to seawater in the seawater storing pool and the showing pool; a plurality of heat supplying modes are combined; the energy is saved, and meanwhile, the water temperature meets the marine organism living standard; the water supplementing volume in the showing pool is metered through a flow meter, so that water is prevented from overflowing; a filtering device is additionally arranged at a circulating branch of the showing pool, and thus the seawater can be filtered while heat supplying, and as a result, the seawater use circle is prolonged; the water replacing frequency is reduced; the cost issaved; in addition, the temperature and level of water in the showing pool and the seawater storing pool can be detected in real time; and a driving signal sent by a PLC can be used for controlling related valves and pumps to open and close, and thus the temperature and level of water in the showing pool and the seawater storing pool can be automatically controlled.

The invention belongs to the technical field of novel tobaccos, and particularly relates to a heating element and a preparation method thereof. The heating element comprises a heating body and an insulating filler arranged in the heating body. Wherein the heating body is made of metal silicide and non-conductive ceramic, and the mass ratio of the metal silicide to the non-conductive ceramic is (0.1: 1)-(5: 1). The problem that the heating performance fluctuation difference of the heating assembly in the production process is large is solved, and the rate of finished products is greatly increased; and meanwhile, the heating element prepared by the method disclosed by the invention has better bending strength and fracture toughness, so that the service life of the heating element is prolonged.

The invention provides a preparation method of an amorphous alloy additive. The preparation method comprises the following steps of heating a metal material by using pulse laser of which the frequencyis higher than the plasma frequency of the processed metal material until the metal material is molten, and quickly cooling the molten metal material by limiting the pulse width of the pulse laser tobe 10fs-1ms. According to the preparation method, a amorphous alloy three-dimensional part can be manufactured, generation of nano-crystalline grains in the amorphous alloy can be avoided, and applicable amorphous alloy components are remarkably larger than those of an amorphous alloy component area covered in the prior art.

The invention provides a heat-pump water heater system which comprises a compressor, a throttling component, a first heat exchanger, a second heat exchanger and a first energy storage device, whereinthe compressor is provided with an air inlet and an air outlet; the first heat exchanger is connected between the air inlet and the throttling component; the second heat exchanger is provided with a first refrigerant pipeline and a first water inlet pipeline; the first refrigerant pipeline is connected between the air outlet and the throttling component; the first energy storage device is providedwith a second water inlet pipeline; and the second water inlet pipeline is connected in series to an air outlet end of the first water inlet pipeline. According to the heat-pump water heater system provided by the embodiment of the invention, by combining the second heat exchanger with the first energy storing device, twice heating of waterflow can be realized, and the quick heating effect is improved, and at the moment, a water tank of the traditional heat-pump water heater can be cancelled, so that when energy consumption is reduced, the development cost is reduced, the occupied area of theheat-pump water heater system is reduced, and bacteria breeding is reduced.

The invention discloses an industrial production device for a thermosetting resin coated controlled-release fertilizer. The device comprises a preheating device, a hoisting machine, a heating device, a heating disk, a rotary drum and the like which are connected, wherein the disk is a direct-heating type disk; the rotary drum is a direct-heating type rotary drum the inclined angle of which can beadjustable; the disk and the rotary drum are externally connected with a material inlet and a material outlet respectively; a resin spraying tube is arranged above the disk surface of the disk; and the resin spraying tube is connected with a resin metering and spraying device. A material is preheated and then enters into the disk for polishing and pre-spraying; then the discharged material entersinto the drum, wherein a curing agent spraying tube is arranged at the material inlet end of the drum and connected with a curing agent metering and spraying device; and the material is sprayed by a curing agent in the drum and cured and then discharged and packaged. Compared with the prior art, the industrial production device has the advantages of high heat utilization rate, rapid curing time, low loss and high production efficiency.

The invention relates to the technical field of intelligent household appliances, and discloses an air conditioner. The air conditioner comprises a heat exchanger and further comprises an electromagnetic heating device arranged at the set position of the outer surface of the heat exchanger and configured to be controlled to generate heat under the defrosting condition of the air conditioner to conduct temperature rise compensation on the outer surface of the heat exchanger. The electromagnetic heating device is arranged on the outer surface of the heat exchanger, the electromagnetic heating device is controlled to generate heat under the defrosting working condition to conduct temperature rise compensation on the outer surface of the heat exchanger, then direct heating on a frost layer onthe outer surface of the heat exchanger is achieved, the defrosting efficiency of the heat exchanger can be improved, and stable operation of the air conditioner is achieved; in the defrosting process, refrigerant reversing flowing is avoided, balance loss does not need to be built again, the indoor temperature can be kept stable, the temperature fluctuation of the refrigerant in the heat exchanger is small, and the indoor comfort is higher. The invention further provides a defrosting method for the air conditioner.

The invention relates to an ironing machine drying drum heated by electromagnetic induction, comprising an outer drum body, a rotating shaft, rotating wheels, an inner bracket and a stand. The ironing machine drying drum heated by electromagnetic induction is characterized in that one end of the outer drum body is provided with the rotating shaft, and the other end is opened; the outer edge of the periphery of the outer drum body is supported by at least three rotating wheels; the inner bracket extends from the opening of the outer drum body to the inside the outer drum body; the outer side of the inner bracket is fixed on the stand; a plurality of linear induction coils are fixed on the inner bracket and have the outer convex cambered surfaces coincided with the inner wall of the outer drum body and kept with a gap with the inner wall of the outer drum body; and the induction coils are connected with a high-frequency power supply. The ironing machine drying drum provided by the invention has the advantages of true realization of direct heating because the drying drum is heated by induction current, rapid heating, fine temperature control, high energy efficiency, simple structure of the drying drum and easiness for realization.

The invention provides a ceramic tube shell of a built-in heater of an infrared detector. The ceramic tube shell of the built-in heater comprises a ceramic tube shell body; and the ceramic tube shellof the built-in heater also comprises a heating device used for heating the ceramic tube shell body and melting the solder arranged between the ceramic tube shell body and a sealing cap, wherein the heating device is embedded inside the ceramic tube shell body. Compared with indirect heat transfer through external equipment in the prior art, the heating device of the ceramic tube shell provided bythe invention is embedded inside the ceramic tube shell body, and can directly heat the ceramic tube shell body; therefore, the heating time of the ceramic tube shell body is shortened, the heating efficiency of the solder is improved, the welding strength between the ceramic tube shell body and the sealing cap is increased, and the solid welding between the ceramic tube shell body and the sealing cap is realized.

The invention discloses a DTRO (Disk Tubular Reverse Osmosis) diaphragm welding heating mechanism and a DTRO diaphragm welding machine, the welding heating mechanism is mounted on a machine table and comprises a lower die assembly and a lower support plate, the lower support plate can move up and down under the action of a lower die driving part, and the lower support plate is used for bearing a diaphragm to be welded; the upper die assembly comprises a heat conduction upper plate which can move up and down under the action of an upper die driving part so as to be pressed against the diaphragm, and a heat conduction through groove penetrating through the upper end face and the lower end face of the heat conduction upper plate is formed in the heat conduction upper plate; the heating assembly comprises a heating plate capable of moving up and down under the action of a lifting driving assembly, and a shaping heating plate capable of moving in the heat conduction groove and heating the heat conduction groove is arranged at the lower end of the heating plate; the lower end of the shaping heating plate can extend out of the lower end of the heat conduction upper plate along the heat conduction through groove. According to the diaphragm welding device, the diaphragm is reinforced and shaped through mechanical cooperation, the welding quality of the diaphragm is improved, and the finished product quality of the diaphragm is guaranteed.

The invention relates to an ironing machine drying drum heated by electromagnetic induction, comprising an outer drum body, a rotating shaft, rotating wheels, an inner bracket and a stand. The ironing machine drying drum heated by electromagnetic induction is characterized in that one end of the outer drum body is provided with the rotating shaft, and the other end is opened; the outer edge of the periphery of the outer drum body is supported by at least three rotating wheels; the inner bracket extends from the opening of the outer drum body to the inside the outer drum body; the outer side of the inner bracket is fixed on the stand; a plurality of linear induction coils are fixed on the inner bracket and have the outer convex cambered surfaces coincided with the inner wall of the outer drum body and kept with a gap with the inner wall of the outer drum body; and the induction coils are connected with a high-frequency power supply. The ironing machine drying drum provided by the invention has the advantages of true realization of direct heating because the drying drum is heated by induction current, rapid heating, fine temperature control, high energy efficiency, simple structure of the drying drum and easiness for realization.

The invention discloses a heating circuit of a battery pack, a power supply system and an electric vehicle. The heating circuit comprises a battery pack, a first switch, a second switch, a first diode, a second diode, an inductor and a capacitor, wherein the first end of the first switch is connected with the anode of the battery pack; the first end of the second switch is connected with the second end of the first switch, and the second end is connected with the cathode of the battery pack; the cathode of the first diode is connected with the anode of the battery pack, and the anode is connected with the second end of the first switch; the anode of the second diode is connected with the cathode of the battery pack, and the cathode is connected with the second end of the first switch; thefirst end of the inductor is connected with the second end of the first switch; the first end of the capacitor is connected with the second end of the inductor, and the second end is connected with the cathode of the battery pack. According to the heating circuit, charging and discharging currents during charging and discharging of the battery pack can be utilized to flow through the internal resistance of the battery to generate heat to directly heat the battery cell, the heating efficiency is high, the space volume is not occupied, complex control circuits and execution elements are not needed, the integration degree is high, and the cost is low.

The invention discloses a self-cleaning bottled drink heating device, and relates to the technical field of drink heating equipment. The self-cleaning bottled drink heating device comprises a shell, apower supplying module, a connecting module and a heating module, and the power supplying module is mounted in the shell and used for supplying energy to the heating module; the heating module penetrates through the bottom wall of the shell to stretch out of the interior of the shell, and the heating module directly makes contact with a to-be-heated drink and heats the to-be-heated drink; the connecting module is fixed to the bottom of the shell and detachably connected with a bottleneck of a drink bottle; and the self-cleaning bottled drink heating device further comprises a protective sleeve which is detachably connected with the connecting module. The self-cleaning bottled drink heating device can be suitable for various occasions, the drink can be directly heated, the extremely-high heat efficiency is achieved, the heating speed is high, and the drink in the bottle can be evenly heated; and in addition, through the design of the protective sleeve, working parts can be protected, the adopted working parts can also be disinfected and sterilized, and thus the working parts are kept to be clean and sanitary.

The invention discloses a range hood module with electromagnetic heating de-oiling. The range hood module comprises an electromagnetic heating module, a motor control module and a temperature acquisition control module, wherein charging and discharging are carried out on the BR1-rectified direct current voltage of municipal electricity by an IGBT (Insulated Gate Bipolar Translator) under the control of a single-chip microcomputer, inducing current is produced when a magnetic field produced by a coil disc cuts the surface of a worm gear blade, and heating is carried out by utilizing a current heat effect; a motor rotates under the control of the single-chip microcomputer, so that the metal surface of the blade is uniformly heated, and the rotating of the blade is accelerated after the bladeis controlled to periodically rotate for multiple circles; the temperature acquisition control module is used for transmitting acquired temperature back to the single-chip microcomputer; and when theacquired temperature is too high, electricity is cut off to cancel heating, and the motor is started. Compared with the prior art, the range hood module has the advantages that electromagnetic heating is used, electromagnetic de-oiling is realized, and direct heating isolating is realized; by heating the worm gear blade, oil dirt is rapidly molten, the oil dirt is tossed away when the blade rapidly rotates, and de-oiling is realized; and through the temperature acquisition control of a closed-loop NTC thermistor, heating safety is ensured.

The invention relates to an ironing slot of an electromagnetic induction heated slotted ironing machine. The ironing slot comprises a slotted curved plate and a basic framework, and is characterized in that: both ends of the slotted curved plate are welded on the basic framework; a hollow cavity is formed between the slotted curved plate and the basic framework; a buffer temperature preservation layer is covered below the slotted curved plate; a winding fixing curved plate is arranged on the basic framework; and an induction winding is arranged on the inner curved surface of the winding fixing curved plate. The ironing slot of the electromagnetic induction heated slotted ironing machine has the advantages that: the ironing slot is heated by induction current, so direct heating is realized; the ironing slot is heated quickly, the energy efficiency is high and a non-pressure vessel is adopted; most of the working surface of the ironing slot is not connected with the basic framework; during working, the shape of the ironing slot is totally determined by a roller matched with the ironing slot, so the ironing slot cannot be deformed; the working surface of a slot plate is made of stainless steel, so the slot surface cannot be rusted; and the ironing slot has a simple structure and is easy to realize.

The invention discloses an initial heat supply network station for waste heat utilization of a coal-fired power plant. The initial heat supply network station comprises a condenser and a heat supply network station body. The condenser adopts exhausted steam of a high-back-pressure steam turbine to heat circulating water. The heat supply network station body is mainly composed of heat supply network circulation water pumps, an exhausted steam cooler and a heat supply network heater. The exhausted steam cooler, the heat supply network heater and the condenser operate in series. Three of the heat supply network circulation water pumps are circulation water pumps driven by a back-pressure steam turbine and used for operating, and the other one is an electrically driven circulation water pump and used for standby. The heat supply network heater is a horizontal U-shaped pipe heater. The heat supply network heater and the exhausted steam cooler both adopt the high-back-pressure steam turbine for steam pumping and heating. The heating capacity is achieved through combination of the steam turbine high-back-pressure exhausted steam waste heat recycling technology and a conventional heat supply network, the energy utilization efficiency is greatly improved, and the initial heat supply network station meets the national policy about energy conservation and emission reduction and has a significant demonstration effect.

The invention provides a device for controlling the temperature of a chromatographic column and a manufacturing method thereof. The device for controlling the temperature of the chromatographic column comprises the chromatographic column, a bottom plate, a cavity and a top plate. The device also comprises a heat conduction unit which is provided with heat dissipation teeth and is arranged on the inner side of the bottom plate; a refrigeration unit which is arranged on the outer side of the bottom plate and makes contact with the heat conduction unit; a circuit board arranged on the outer side of the cavity; a heating module which is wound on the chromatographic column, wherein the spiral chromatographic column is arranged on the upper side of the heat conduction unit and an electric wire connected with the heating module is connected with the circuit board; a temperature sensor arranged in the cavity, wherein an electric wire connected with the temperature sensor is connected with the circuit board; a heating seat which is provided with an opening and is arranged on the outer side of the cavity; a joint which is arranged in the heating seat and is communicated with the opening, wherein the two ends of the chromatographic column respectively penetrate through the through holes of the cavity and are connected with the joint; and a heater and a temperature measuring element which are respectively arranged in the heating seat. The device has the advantages of small size, low energy consumption and the like.

The invention discloses an improved method for producing steel cords. The improved method for producing the steel cords comprises the following steps that step 1, a high-strength steel cord coil rod serves as a raw material coil rod, the carbon content is 0.85%, the manganese content is 0.4%, the sulfur content is 0.01%, the phosphorus content is 0.01%, and the diameter phi of the steel cord coil rod is 5.5mm; step 2, the coil rod is pre-treated, specifically, descaling, washing, electrolytic pickling, washing, hot water washing, boron coating and drying are conducted; step 3, coarse wire drawing is conducted; step 4, middle wire is heat-treated; step 5, middle drawing is conducted; step 6, a finished product is subjected to heat treatment and heat-diffusion brass plating; step 7, detecting is conducted, mechanical performance which comprises tensile strength, extension, bending, torsion and the strength declining rate after diffusion is detected; step 8, fine drawing is conducted; step 9, single twisting forming and double twisting forming and outer winding are conducted; and step 10, packaging and encasing are conducted. According to the improved method for producing the steel cords, improving of the adhesion and the gumming rate of the steel wire and rubber after vulcanization are facilitated, and the quality of a tire is improved.

A solar medium-temperature heating system based on interseasonal water heat storage, including: solar heat collection system, interseasonal water storage body, absorption heat pump, buffer water tank, heat user, auxiliary heat source, water pump, valve, heat exchanger, Control System. The solar heat collection system is connected with the buffer water tank, and the interseasonal hot water storage body is connected with the heat users and the absorption heat pump through the heat exchanger. The auxiliary heat source communicates with the absorption heat pump and heat users. Through the adjustment of different modes, the present invention can realize the multi-energy complementary heat supply of solar energy and other energy sources, and can meet the hot water temperature requirements of general urban pipe networks. The invention is suitable for building heat supply in urban areas with abundant solar energy resources in northern my country.