46results about How to "shorten heating time" patented technology

The invention discloses a low-temperature charge and heating system and method for a power battery for all-electric vehicles. The system comprises a vehicle control unit, a vehicular charger, a battery management system, the power battery, a DC/DC converter, a heat management system, a PTC heater and a fan module. The method includes: during charging, heating is allowed only when the temperature is very low and the temperature T of the power battery is smaller than or equal to 5 DEG C; when the temperature is very low, heating and charging with low current are performed simultaneously; if the temperature T of the power battery is larger than 5 DEG C, low-temperature heating is aborted and a normal charge mode is allowed. The system and the method have the advantages that low-temperature charge and heating time can be shortened, normal charge of the power battery is guaranteed and the service life of the power battery is unaffected.

A heat pressing method for polyethylene plant fiber composite material relates to a method for manufacturing plant fiber material. The invention solves the problems that only fibril can be applied, plant format is narrower, straw is liable to thermolysis and charring and the mechanical properties of plant manufactured by pre-heat pressing are poor in the production of WPC in the manner of extraction. The method of the invention has the steps that: PE plastic fiber is mixed with crushed plant aggregates to obtain mixture that is paved into a plate base; the plate base is pre heated under a pressure of 1 to 3 MPa and at a temperature of 170 to 190 CEG D; the plate base is kept under a pressure of 4 to 6 MPa for 8 to 15mins; and at last, the plate base is cooled to 70 to 80 CEG D under a pressure of 3 to 6 MPa; and after pressure relief, the plank is obtained. The flexural strength of the plank manufactured in the method of the invention is 20 MPa. The invention adopts the polyethylene in fiber configuration and the crushed aggregates of the plant and the fiber is evenly mixed and has high productivity. In addition, the crushed aggregates of the plant and the fiber can be prevented from being deteriorated and darkened due to high temperature.

The invention relates to hollow coil winding equipment, which solves the technical problem that the heating time is long and the cost is high in the prior art. The hollow coil winding equipment comprises a bobbin unit, a stand arranged at one side of the bobbin unit and a plurality of winding fixtures. A mounting base is arranged on the stand. A plurality of main shafts which correspond to the winding fixtures one to one and which are connected with the winding fixtures in a rotary manner are arranged on the mounting base. A plurality of counter shafts which correspond to the winding fixtures one to one and which can be used for driving the winding fixtures to rotate are arranged on the mounting base. The equipment further comprises a heating system which can be used for heating the two ends of wound coils and the wound coils wound on the winding fixtures. The equipment further comprises a tension control system for enabling the two ends of the wound coils to have constant tension while the wound coils are continuously wound on the winding fixtures. The invention has the advantages that the hollow coil winding equipment could greatly reduce the heating time, and is low in cost and stronger in practicability.

The invention relates to the field of rewelding technology of high strength steel and provides a process method for rewelding of high strength steels. The process method comprises the following working steps of firstly heating to a lower pre-heating temperature within a larger range at a welding groove, suitably reducing the temperature gradients and additive stress of the component, subsequently when in welding, heating centrally and continuously within a small range at the positions corresponding to the back surface of the welding positions simultaneously, and maintaining local high pre-heating temperature before welding. The process method can effectively improve the heat utilization ratio of weld pre-heating of the large thickness plate steel components, save the energy resource and improve the rewelding quality and production efficiency.

The invention relates to an in-situ oil extraction method for oil shale. The in-situ oil extraction method comprises the following steps that firstly, at least three wells are drilled side by side in the area of the oil shale, wherein the well in the middle is a heating well, and the wells located at the two sides of the heating well are a gas injection well and an extraction well correspondingly; secondly, fracturing is conducted on the top area of the oil shale through the heating well, so that a first horizontal fracture area covering the gas injection well and the extraction well is formed in the top of the oil shale; and thirdly, the oil shale is heated to the pyrolysis temperature by means of the heating well, so that oil gas is generated, and the oil gas is extracted out through the extraction well. By adoption of the method provided by the invention, efficient heating of the oil shale can be achieved, and thus in-situ oil extraction efficiency for the oil shale is improved.

The invention discloses a plasma reaction chamber. The plasma reaction chamber comprises a cavity body, a static clamping disk, a heater and a medium window, wherein the cavity body is provided with a cavity chamber, the static clamping disk is arranged inside the cavity body to be used for bearing a substrate, the heater is arranged on the cavity body to be used for heating the cavity body, the medium window is arranged at the upper end of the cavity body to be used for sealing a top opening of the cavity chamber, and a heated fluid channel is formed inside the medium window. According to the plasma reaction chamber, due to the fact that the heated fluid channel is arranged and heated liquid is led into the channel to conduct heat exchange with the medium window, therefore, quick and even temperature rising to the medium window is realized, and the etching efficiency and the etching effect of the plasma reaction chamber are greatly improved. The invention further discloses a plasma device.

The invention discloses an internal-circulation bulk curing barn realizing complementation of multiple energies. The internal-circulation bulk curing barn comprises four parts, including a tobacco loading chamber, a heating chamber, a dehumidifying chamber and a system master controller, wherein three heat transfer devices in the heating chamber carry out heat exchange with air in the heating chamber by adopting solar energy, air energy and electric energy, with the tobacco loading chamber, damp and hot air separating out in the tobacco leaf curing process is exhausted into the dehumidifying chamber for cooling and dehumidification, the damp and hot air after cooling and dehumidification returns to the heating chamber to be heated, and the system provides heat and eliminates humidity by adopting the complementation method according to the baking process curve and the temperature and humidity in the tobacco loading chamber. The internal-circulation bulk curing barn realizing complementation of multiple energies has the beneficial effects that a heat source is provided in a complementation manner by adopting four energies including solar heat collection, air energy, solar photovoltaic and electric energy, the dehumidification manner combining internal-circulation dehumidification and total heat recovery dehumidification is adopted, thus the curing cost can be reduced, the temperature rise time can be shortened, the system master controller is adopted for realizing control, so that the manual operation can be reduced, the labor intensity can be alleviated, the control precision can be promoted, and the tobacco leaf curing quality can be improved.

The invention discloses a preparation method for composing the high pure gold redrock nano-titanium dioxide by employing titanium tetrachloride and metal titanium alkoxide salt or a mixture thereof as materials by one step. The invention is characterized in that the product is single redrock nano-titanium dioxide with iron content less than 10ppm and controllable iron content of 3 to 5ppm; the grain diameter of the product after being treated at 700 DEG C is large, but smaller than 50nm; the dispersivity is good when the diameter is of 20 to 30nm; the effective content of treatment under 900 DEG C is more than 99.9 percent, and can achieve 99.99 to 99.999 percent(calculated by metal impurity content); the product can be used as a target material and a high shielding ultraviolet ray absorbent, and has excellent optical performances on infrared rays. The invention is broadly applied to liquid crystal material manufacture, the production of spaceflight and navigation coatings and precision sensor piece, cosmetics, high-grade vehicle dope manufacture, and the like.

The invention belongs to the technical field of casting mold material treatment equipment, and particularly discloses a waste sand calcining system. The waste sand calcining system comprises a dryingtower, a furnace body and an air inflow unit. The lower end of the drying tower communicates with the upper portion of the furnace body. An upper sealing plate is arranged in the furnace body, and multiple longitudinally-distributed communicating ways are arranged on the upper sealing plate. Burners communicating with an upper calcining layer are arranged on the furnace body. An upper sand feedingdevice is arranged on the side, away from the drying tower, of the furnace body, and a lower sand feeding device is arranged on the other side of the furnace body. Each of the upper sand feeding device and the lower sand feeding device comprises a closed box, a sand level control mechanism and a sand feeding pipe. The upper end of the closed box of the upper sand feeding device communicates withthe upper calcining layer, and the sand feeding pipe of the upper sand feeding device communicates with a lower calcining layer. The upper end of the closed box of the lower sand feeding device communicates with the lower calcining layer. The waste sand calcining system in the scheme is low in cost, short in construction period and low in energy consumption, and by means of the technical scheme, the problems that in an existing calcining furnace, waste sand cannot fully boil, and the waste sand calcining effect is not good can be solved.

The invention provides an electromagnetic heating die. A magnetic conducting groove prepared from a magnetic conducting ceramic material and used for accommodating an electrified coil is formed in thedie body of the electromagnetic heating die; the electrified coil can be electrically connected with a middle-high-frequency power supply on the exterior of the die body so as to obtain a middle-high-frequency current to generate an alternating magnetic field; the electrified coil is directly arranged in the die body and placed in the magnetic conducting groove, so that the generated alternatingmagnetic field is constrained in the die body, so that a condition that the alternating magnetic field only acts on the die body is avoided. By virtue of the scheme, the middle-high-frequency alternating magnetic field is all applied to direct heating on a to-be-heated part, so that a very high heating effect is achieved, thereby highly shortening the heating time.

The invention relates to an oil shale in situ oil extraction method comprising the following steps: 1, drilling at least two wells in an oil shale zone, wherein one well is an auxiliary well, the other well is an extraction well, and the auxiliary well vertically penetrates the oil shale; 2, using the auxiliary well to crack the top and bottom of the oil shale, thus forming a horizontal crack zone on the top and bottom of the oil shale so as to cover the extraction well; 3, using the auxiliary well to heat the oil shale up to a pyrolysis temperature so as to generate oil gas, and using the extraction well to extract the oil gas. The oil shale in situ oil extraction method can heat up the oil shale with high efficiency, thus improving oil shale in situ oil extraction efficiency.

The invention discloses an energy-saving road asphalt crack pouring machine, which belongs to a road construction facility. The energy-saving road asphalt crack pouring machine comprises a rack, an asphalt melting box, a liquefied gas tank carrying box, a liquefied gas burning mechanism, a molten asphalt lead-out box, a crack pouring mechanism, an asphalt stirring mechanism, a rack forward guide mechanism and a control mechanism, wherein the asphalt melting box is arranged at one end of the rack; the liquefied gas tank carrying box is arranged at the other end of the rack; the liquefied gas burning mechanism is arranged in a liquefied gas burning mechanism cavity; the molten asphalt lead-out box is arranged on the lower part of the asphalt melting box; the crack pouring mechanism is arranged on the molten asphalt lead-out box; the asphalt stirring mechanism is arranged on a box cover; the rack forward guide mechanism is arranged on the rack; the control mechanism is arranged on one side of the asphalt melting box and the liquefied gas tank carrying box; the outer wall of the asphalt melting box is provided with an expansion gas absorbing mechanism, and the box wall is provided with a molten asphalt lead-in port; the bottom of the box cavity of the molten asphalt lead-out box is provided with a crack pouring pipe hole, and the upper part of the box cavity is provided with a molten asphalt lead-out box cover; and the crack pouring mechanism comprises a motor, an asphalt pump, a guide column, a rubbing board rack, an enclosing baffle frame, a scraping plate and a crack pouring pipe. The energy-saving road asphalt crack pouring machine has the advantages of good energy saving effect, capability of forwardly and quickly advancing, short heating time, capabilities of guaranteeing safety and avoiding blockage and good operability effect.

The invention discloses an asphalt melting box structure of an energy-saving asphalt crack pouring machine, belonging to the technical field road construction facilities. The energy-saving asphalt crack pouring machine comprises a rack, a liquefied gas tank carrying box, a liquefied gas burning mechanism, a molten asphalt lead-out box and a crack pouring mechanism. The asphalt melting box structure comprises a box body, wherein the box body is arranged at the right end of the rack; the upper part of the box body is provided with a box cover; an oil heating jacket is formed on the outer wall of the box body by surrounding the periphery of the outer wall and a bottom wall; a liquefied gas burning mechanism cavity is formed below the box body; the liquefied gas burning mechanism is arranged in the liquefied gas burning mechanism cavity; the molten asphalt lead-out box is fixed on the lower part on one side of the box body and is communicated with the asphalt melting cavity; the box cover is provided with an asphalt stirring mechanism; and the asphalt stirring mechanism extends into the asphalt melting cavity to stir asphalt in the asphalt melting cavity. The asphalt melting box structure has the advantages of good energy saving effect and capabilities of heating asphalt under a dynamic state, favorably shortening the heating time and saving energy consumption.

The invention provides a glass bottle annealing furnace. The furnace comprises a furnace body, the inner chamber of the furnace body is divided into a heating chamber and a cooling chamber, a conveying mesh belt is arranged in the furnace body along the length direction, the conveying mesh belt penetrates through the heating chamber and the cooling chamber, combustion gas heating devices are respectively arranged between the conveying mesh belt and the top of the heating chamber and between the conveying mesh belt and the bottom of the heating chamber, the top of the furnace body is provided with a thermocouple, the thermocouple is connected with a temperature controller through a lead, the combustion gas heating devices are fire lances respectively, each of the fire lances is provided with a gas path control valve, and the conveying mesh belt is wavy. A combustion gas two-sided simultaneous heating mode is adopted, so the heating time is greatly shortened, heating is uniform, and an optical annealing effect is facilitated.

The invention discloses a microwave extraction method for spirulina polysaccharide. The method mainly overcomes the problems of great consumption of time and energy and low yield in extraction of spirulina polysaccharide with conventional hot water methods and cold alkali methods The microwave extraction method comprises the following steps: adding spirulina powder into distilled water according to a material-liquid ratio, carrying out ultrasonic treatment, then carrying out microwave extraction by using an intermittent microwave extraction method and then carrying out centrifugation so as to obtain crude spirulina polysaccharide extract; adding the crude spirulina polysaccharide extract into a trichloroacetic acid solution to remove protein; and then adding active carbon TS4 for decoloring and carrying out vacuum freeze drying so as to obtain the spirulina polysaccharide. The microwave extraction method has the advantages of reasonable extraction process, mild polysaccharide extraction conditions, no destroy to effective components, high extraction efficiency, thorough removal of impurities, ideal yield and suitability for large-scale factory production.

The invention relates to a cleaning machine. The cleaning machine comprises a cleaning cavity, a water storage tank and a water pipe; the water storage tank is used for storing cleaning water, a waterstorage tank water inlet and a water storage tank water outlet are formed in the water storage tank, and the water pipe is connected with the water storage tank and the cleaning cavity; a heat conduction piece is arranged between the water storage tank and the cleaning cavity, and the heat conduction piece can achieve heat conduction between the water storage tank and the cleaning cavity; and thewater storage tank divides the cleaning cavity into two or more independent cavity bodies. The heat conduction piece is arranged between the water storage tank and the cleaning cavity so that the water storage tank can absorb heat in the cleaning cavity in the dish washing process, the cleaning water which is stored in the water storage tank and is about to enter the cleaning cavity for washing dishes has high temperature, then the time for heating the cleaning water in the cleaning cavity is saved, the cleaning time of the cleaning machine is shortened, and the working efficiency is improved; when the cleaning by the cleaning machine is finished, the cleaning water with low temperature in the water storage tank can absorb the heat in the cleaning cavity, so that the cleaning cavity is quickly cooled, and a user can conveniently use the cleaning cavity; and the cleaning cavity is divided into two or more independent cavity bodies by the water storage tank so that the user can conveniently select one cavity body or two or more cavity bodies for cleaning according to the number of to-be-cleaned objects, or other cavity bodies are used for storage in the cleaning process of one or more cavity bodies.

A fast-heating electric water heater, including a shell and an inner tank, a heating element is arranged on the inner tank, a turbine heating part is arranged on the periphery of the heating element, and a gap is arranged between the turbine heating part and the heating element, and a heating chamber is jointly formed ; A heat exchange tube is arranged in the water storage chamber of the inner tank, and the heat exchange tube is in a spiral shape, which communicates with the water supply component. The invention has the characteristics of simple and reasonable structure, low cost, wide application range and safe and reliable use; the spiral heat exchange tube can allow tap water to flow in the pipeline along the spiral direction under the action of hydraulic pressure, and enter the inner tank. The hot water in the tank can preheat the cold water through the heat exchange tube, which is beneficial to improve the thermal efficiency and save the heating time; The water can be quickly heated to the required temperature in a short time, thereby saving energy, reducing the temperature difference between the top and bottom of the inner tank, and avoiding the phenomenon of hot and cold water temperature.

An electromagnetic induction heating device for obtaining high-temperature rare gas comprises a metal heating pipe, an electromagnetic induction coil, an electromagnetic induction heating power supply, a flange, a gasket, a containment cylinder, a heat insulation layer, a refractory filling material, an inlet and outlet pipeline, a cover plate and graphite filler. Rare gas enters the metal heatingpipe from the inlet pipeline, and the metal heating pipe is heated to a high-temperature state under the action of induction electric heating, so that the rare gas in the metal heating pipe is heated, and then the high-temperature rare gas flows out from the outlet pipeline. Inert gas atmosphere is formed in the containment barrel, so that the metal heating pipe is prevented from being oxidized at high temperature; the containment cylinder is made of a high-temperature-resistant material, so that the temperature of each part of the heating device is lower than a corresponding temperature limit value; the whole heating device is connected through a flange, and the defect that a metal heating pipe is made of high-temperature-resistant special materials and is not easy to weld is overcome. The heating device can heat gas to a higher temperature, can stably and safely operate for a long time, and can meet the requirements of the current processing technology at the same time.

The invention discloses a system used for storage tank heating and a method thereof, and belongs to the technical field of crude oil storage and transportation. The system comprises a controller, a heater, an electromagnetic liquidometer and a processor, wherein the heater, the electromagnetic liquidometer and the processor are electrically connected with the controller. The heater is arranged ina storage tank and used for heating crude oil in the storage tank, the electromagnetic liquidometer is arranged in the storage tank and used for obtaining the actual liquid level information of the storage tank, and transmits the information to the processor through the controller, the processor is used for starting the heater to heat through the controller when the actual liquid level of the storage tank reaches the preset liquid level, the controller is used for collecting heating voltage information and heating current information of the heater, and transmitting the information to the processor, the processor is used for processing the final preset temperature information of the crude oil heated through the heater, according to the heating voltage information, the heating current information and the final preset temperature information, the heating time of the heater is determined, and after the heating time, heating of the heater is stopped through the controller. Labor intensity is reduced, and electric energy waste can be avoided.

The invention relates to the field of steam equipment in the garment processing industry, and in particular relates to a waste heat recovery system of an electric heating steam generator. The waste heat recovery system comprises an electric heating steam generator body, a water supply pipe, a first water pump, a steam outlet pipe, a steam exhaust pipe, an exhaust valve and a heat preservation water storage tank, wherein the electric heating steam generator body comprises a box body, an inner container and a heater; the inner container is arranged in the box body; the heater is arranged in the inner container; and the water supply pipe is sequentially connected with the heat preservation water storage tank, the first water pump and the inner container; one end of the steam outlet pipe is connected with the inner container, and the other end of the steam outlet pipe is connected with an ironing device; one end of the steam exhaust pipe is connected with a steam iron, and the other end is in communication with the heat preservation water storage tank; and the exhaust valve is arranged on the top wall of the heat preservation water storage tank. The system has the effect of reducing resource waste.

The invention discloses a sterilizing and softening method for exchanging heat of water into and out of a water heater. A heat exchange interface of delivered hot water/boiling water and inlet water is adopted based on a water heater/water boiler with a temperature control device and the heat exchanged hot water is continuously heated, wherein the hot water/boiling water continuously exchanges heat with the inlet water when delivered. A sterilizing and softening device manufactured according to the method for exchanging the heat of the water into and out of the water heater consists of the water heater/water boiler with the temperature control device and a water inlet/outlet connection pipe. The device is characterized by comprising the heat exchange interface of the hot water/boiling water and the inlet water to be sterilized and softened. The method and the device has the advantages that the heat exchange of the hot water/boiling water and the inlet water can reduce the heating time, enables the production of purified water to be more effective and is favorable for saving energy; and the water boiler for providing drinking water can deliver the boiled water cooled to between 30 and 50 DEG C so as to shorten the time of waiting for the cooling of the drinking water, and reduce the danger of scald when the school students drink the boiled water. Two embodiments are provided with attached figures.

The invention discloses auxiliary equipment for a light petroleum delivery pipeline in cold regions. The auxiliary equipment comprises a shell and a motor, wherein an oil inlet and an oil outlet are respectively formed in different side faces of the shell; two fixed baffles are fixedly arranged on the inner wall of the shell, and are provided with resistance heating wires; a rotating baffle is arranged between the fixed baffles, and is vertical to the bottom of the shell; the motor is arranged above the shell; the output end of the motor is connected with a rotating shaft; the lower end of the rotating shaft is vertical, and movably penetrating the shell to the inside of the shell; the rotating shaft penetrates the rotating baffle; the rotating baffle rotates with the rotating shaft. According to the auxiliary equipment, the direction of the rotating baffle is regulated by the motor, so that the resistance of the rotating baffle on petroleum can be increased or reduced, the time for heating petroleum inside the shell can be increased or shortened, the length of a runner inside the shell can be changed according to the flowing speed of petroleum and the speed of heat exchange, and energy can be saved while petroleum is sufficiently heated.

The invention provides a forming process of Nb pipes, which belongs to the field of processing and manufacturing of a noble metal seamless steel pipe, and overcomes the defects of a traditional process that the heating time is long, the temperature control is not accurate, and the yield is low and the like. The forming process comprises the following production steps: 1. blanking; 2, punching a phi50 through hole; 3. carrying out finish turning on an outer surface and an end face; 4. coating water glass on the inner and outer surfaces; 5. heating by an induction furnace; 6. spraying glass powder on the inner and outer surfaces; 7. hotly chambering; 8. heating by the induction furnace; 9. spraying the glass powder on the inner and outer surfaces; 10. carrying out extrusion forming; 11. straightening; and 12. carrying out surface sand blasting, head flattening and size checking; and then packaging after ultrasonic flaw detection. According to the process, a glass powder protection method is adopted so that the heating time can be shortened in a large range and is shortened to be about 5 minutes from 6-10 hours; the temperature of a blank can be directly measured so that the process is easy to control; and the yield can be improved to be more than 80% from previous 60%-75%.

The invention relates to the field of supercapacitor technology, in particular to a porous three-dimensional graphene supercapacitor electrode material comprising a foam metal part; and graphene is deposited on the surface of the foam metal part and the inner hole wall surface of the foam metal part. The invention provides a porous three-dimensional graphene supercapacitor electrode material and apreparation method thereof. The method is an improved one based on the existing CVD method for preparing a porous three-dimensional graphene material, so that a thick porous three-dimensional graphene material grows quickly. Moreover, the process is simple, the production is efficient, the cost is low, the environment protection effect is good, and the industrialization is realized conveniently.

The invention discloses a rice cooker rice cooking and heating control method, which comprises the steps of: using a preset power-regulating ratio N for heating after a water absorption stage of a rice cooker is completed, and calculating a unit time temperature change value S1 of an upper cover within a preset unit time length t1 of time after heating for the preset unit time length t1 accordingto the preset power-regulating ratio N; comparing the unit time temperature change value S1 with a preset unit time temperature change value S, adjusting a current heating power-regulating ratio of the rice cooker according to a comparison result, decreasing the current heating power-regulating ratio if S1 is greater than S, and increasing the current heating power-regulating ratio if S1 is less than S; and heating the rice cooker according to the adjusted heating power-regulating ratio. The invention further discloses a rice cooker rice cooking and heating control device. The rice cooker ricecooking and heating control method and the rice cooker rice cooking and heating control device adjust the numerical value of the heating power-regulating ratio of the rice cooker according to the temperature change rate, so as to fix the heating time of the rice cooker and ensure the rice cooking effect.

The invention discloses an energy recovery system for heating bath pretreatment of an electroplating nickel production line. The energy recovery system comprises a base plate, a hot water tank, an airpump and a heat exchange cavity; the base plate is provided with the hot water tank and a thread support rod; an electric heating wire is embedded in the inner wall of the hot water tank; a drainagepipe is arranged on the right wall of the hot water tank; movable blocks are arranged at the outer periphery of the thread support rod; connecting rods are symmetrically welded on opposite inner sidesof the movable blocks; an upper cover is welded at the tail ends of the connecting rods; the upper end of the upper cover is connected with the air pump; an upper placing plate is arranged at the upper end of the thread support rod; a motor is connected to the left side of the upper end of the upper placing plate; the heat exchange cavity is welded at the upper end of the upper placing plate; a connecting hose is connected between the lower end of the heat exchange cavity and the air pump; a coiler, a straight pipe and a spiral pipe are arranged on the connecting hose in sequence; the lower end of the spiral pipe is connected with an exhaust pipe; and a liquid outlet pipe is connected to the lower part of the right wall of the heat exchange cavity. The energy recovery system can use the steam temperature for preheating water, and effectively uses machining afterheat to save more energy.

The invention discloses a regenerative aluminum melting furnace. The regenerative aluminum melting furnace includes a furnace body, and a feed port is formed in the furnace body. The regenerative aluminum melting furnace is characterized in that the furnace body is internally provided with a burner, an aluminum ingot melting platform and a molten pool, a discharge port is formed in the bottom of the molten pool, hot flue gas generated by the combustion of the burner heats and melts aluminum ingots on the aluminum ingot melting platform, liquid aluminum flows into the molten pool, and then is discharged from the discharge port; the furnace body is further internally provided with a heat exchange pipeline, an inlet of the heat exchange pipeline is located above the molten pool, and the heatexchange pipeline extends into the molten pool from the inlet to form at least one heat exchange pipe located in the molten pool, and the at least one heat exchange pipe continues to extend out of thefurnace body for being connected with a regenerative body. The high-temperature flue gas in the aluminum melting furnace heats aluminum liquid through a heat exchanger, the utilization of flue gas waste heat is improved, and the used amount of fuel is saved.

The invention discloses a device and method for recycling waste heat of a quenching furnace by a suspension line tempering furnace, and relates to the technical field of quenching furnace waste heat recycling. The device comprises the quenching furnace, the tempering furnace and a quenching furnace waste heat recovery device, the quenching furnace waste heat recovery device is arranged between the quenching furnace and the tempering furnace, the quenching furnace waste heat recovery device comprises an induced draft fan, a first induced air pipeline I and a second induced air pipeline, and a first connecting pipeline is fixedly arranged on one side of the quenching furnace through a third branch pipe. According to the device and method for recycling the waste heat of the quenching furnace by the suspension line tempering furnace, the waste heat recycling device of the quenching furnace is additionally arranged, the induced draft fan is connected with the first connecting pipeline and a second connecting pipeline, and the third branch pipe and a fourth branch pipe are used in cooperation, so that smoke heat in the quenching furnace can be guided into the tempering furnace through the first induced draft pipeline, the induced draft fan and the second induced draft pipeline, and secondary use of the waste heat of the discharged smoke is completed; and the waste heat of the discharged smoke of the quenching furnace is introduced into the tempering furnace, so that the heating time of the tempering furnace is shortened, the use amount of natural gas is reduced, and the production cost is reduced.

The invention discloses waste tire pretreatment equipment. The waste tire pretreatment equipment comprises a conveyor, a bearing table, a fixing mechanism and a cutting assembly, wherein the bearing table is arranged at the output end of the conveyor; the fixing mechanism is arranged above the bearing table; the cutting assembly is arranged on one side of the fixing mechanism; and after the fixingmechanism fixes a waste tire located on the bearing table, the cutting assembly cuts out a groove in the peripheral wall of the waste tire. By arranging the cutting assembly, after the waste tire isfixed by the fixing mechanism, the groove is cut out in the peripheral wall of the waste tire by the cutting assembly, so that the specific surface area of the waste tire is effectively increased, theheating time is effectively shortened, and the heating efficiency is improved.

The invention relates to the technical field of chemical vapor deposition (CVD), in particular to a CVD method adopting a microwave heating mode. The CVD method includes the steps that (1) one of graphite, silicon carbide and a graphite composite material or a silicon carbide composite material is processed into a base body in a needed shape and hung in a reaction cavity, and the reaction cavity is sealed and vacuumized to 0.1-1 Torr; (2) the base body is heated to the temperature of 500-1200 DEG C through microwaves, and the output power of the microwaves is 1-80 kW; and (3) reaction gas is introduced into the reaction cavity for 1-20 hours, the temperature of the base body is kept at 500-1200 DEG C in the gas introduction process, film materials are obtained, and reaction tail gas passes through metal chips, is subjected to spraying washing and is discharged after sufficient absorption. The base body is heated through microwaves, so that the temperature rise time of the base body is shortened, and production efficiency is improved.