43results about How to "Flexible heating method" patented technology

The invention discloses a GMT sheet production system for teaching experiments. The production system comprises a conveying system, a heating and baking system (a), a heating and dipping system (b) and a cooling and shaping system (c), wherein the conveying system is provided with a lower conveying belt (9), and the heating and baking system (a), the heating and dipping system (b) and the cooling and shaping system (c) are connected in sequence through the lower conveying belt (9); the heating and baking system comprises a heating oil tank (15) and a heating pressing plate assembly, and the heating pressing plate assembly is composed of an upper heating pressing plate (1) and a lower heating pressing plate (2); the heating and dipping system comprises at least one heating and dipping assembly, and each heating and dipping assembly is composed of an upper heating compression roller (4) and a lower heating compression roller (5); the cooling and shaping system comprises at least one cooling and shaping assembly, and each cooling and shaping assembly is composed of an upper cooling compression roller and a lower cooling compression roller. The production system is small in occupied area, low in cost, capable of achieving the effects of even heating and sufficient dipping and quite suitable for teaching research.

The invention belongs to the field of chemical cleaning of boilers, and provides an aid for reducing chemical cleaning temperature of EDTA (Ethylene Diamine Tetraacetic Acid) and application of the aid. The EDTA low-temperature cleaning aid comprises the following components in percent by weight: 43-47 percent of nonylphenol polyethylene glycol ether, 18-22 percent of octylphenol polyoxyethylene ether and the balance of water, wherein the polymerization degree of the nonylphenol polyethylene glycol ether is 9-11, and the polymerization degree of the octylphenol polyoxyethylene ether is 9-11. After 1-1.5 percent of EDTA low-temperature cleaning aid provided by the invention is added to an EDTA cleaning solution, the cleaning temperature is reduced to 75-85 DEG C from 135-140 DEG C of the traditional process, so that the heating more is more flexible and heating is more uniform, and the average corrosion speed is reduced by 50 percent. The EDTA low-temperature cleaning aid provided by the invention is simple, convenient and safe in process.

The invention provides an air source heat pump water dispenser and a heating method of the water dispenser. The water dispenser comprises a water inlet unit, an air source heat pump unit, a condensation water tank, a water storage tank, a solenoid valve assembly and an instant heating unit, the air source heat pump unit is connected with the condensation water tank, the water inlet unit, the condensation water tank and the water storage tank are connected through the solenoid valve assembly, and the instant heating unit is arranged between the water storage tank and a drinking water outlet. The air source heat pump technology is introduced into the water dispenser, air energy among low-grade energy is fully utilized, the utilization way of the low-grade energy is expanded, dissipation of heat energy is reduced, and the utilization efficiency of electric energy is improved.

The invention provides a screw-type extrusion system and a 3D printer comprising the same. The screw-type extrusion system comprises a machine barrel, a spray head detachably mounted at the lower endof the machine barrel, a threaded rod rotatably mounted in the machine barrel, one or more heating devices arranged around the outer wall of the machine barrel, and a cooling device arranged around the outer wall of the machine barrel and adjacent to the spray head. By adopting the extrusion system, materials entering the machine barrel can be heated quite flexibly, and especially, the materials can be heated to the quite high temperature in the middle of the machine barrel, so that molecular chains of the materials are fully opened, then the materials are rapidly cooled to the predetermined temperature in the position adjacent to the spray head, and accordingly the materials have viscosity suitable for extrusion forming.

The invention discloses an aluminum alloy seal structure local flame heating ultrasonic braze welding method which is used for conducting sealing and braze welding encapsulation on aluminum alloy cavities of built-in electronic components. The aluminum alloy seal structure local flame heating ultrasonic braze welding method comprises the first step of polishing and clearing an aluminum alloy surface of a joint to be brazed through abrasive paper; the second step of placing low-temperature Sn-based brazing filler metal on one side of the lap joint end of an aluminum alloy sealing surface; the third step of conducting local reciprocating heating on the brazing filler metal through gas flame flow to make the brazing filler metal melt and maintain a liquid state, and no heating on parent metal; the fourth step of applying ultrasonic vibration on a cavity of the aluminum alloy to be welded; the fifth step of finishing sealing the test piece through natural cooing after the ultrasonic vibration is finished. According to the aluminum alloy seal structure local flame heating ultrasonic braze welding method, overall heating is not conducted when the aluminum alloy seal structure is welded, local heating is conducted only on the brazing filler metal area, heating on a sealing element is extremely small, and the electronic components in the sealing element are not affected by heat. The aluminum alloy seal structure local flame heating ultrasonic braze welding method has the advantages of being simple in technology, high in welding efficiency, and suitable for the engineering application.

The embodiment of the invention discloses a water heater and a heating element thereof, which relate to the field of household appliances, can be flexibly combined to heat, and are applicable to the requirements of different users. The heating element is used for heating water in the inner container of the water heater, and comprises a top layer of heating tubes which are arranged at the top part of the inner container, an intermediate layer of heating tubes which are arranged in the middle of the inner container, and a bottom layer of heating tubes which are arranged at the bottom of the inner container. The water heater comprises the inner container and the heating element for heating water in the inner container, wherein the heating element comprises the top layer of heating tubes which are arranged at the top part of the inner container, the intermediate layer of heating tubes which are arranged in the middle of the inner container, and the bottom layer of heating tubes which are arranged at the bottom of the inner container. The water heater and the heating element thereof disclosed by the invention are applicable to water storage heating household appliances.

The invention discloses an automatic control energy-saving floor heating system which is characterized by comprising an electric floor heating module, a branch line module, a main line module and a wireless temperature controller which are connected in sequence. The electric floor heating module includes a plurality of electric floor heating units, the branch line module includes a plurality of branch connecting units, each electric floor heating unit is independently connected with one branch connecting unit, and the branch connecting unit includes a branch power line, a branch signal line, asignal receiver and a power supply controller. One end of the branch power line is connected with the electric floor heating module, the other end is sequentially connected with the power supply controller, the signal receiver and the main line module; one end of the branch line module is connected with the power supply controller, and the other end is sequentially connected with the signal receiver and the main line module. The automatic control energy-saving floor heating system can achieve local and selective heating while being capable of performing overall heating; compared with a floorheating system in the prior art, the automatic control energy-saving floor heating system can save electric energy by about 20%-60%, and automation and energy saving effects are better.

The invention provides an adjustable light condensation plate drying device and a using method thereof. The adjustable light condensation plate drying device comprises an air supply device, a heat exchanger, a light condensation plate, an air homogenizing device and a driving mechanism; the air homogenizing device is provided with an air inlet and an air outlet, the air supply device corresponds to the air inlet and blows air into the air homogenizing device through the air inlet, and the air is exhausted through the air outlet of the air homogenizing device so as to dry external materials; the heat exchanger is arranged on the air inlet, the light condensation plate has a light reflection face corresponding to the heat exchanger, the light reflection face can receive sunlight and reflect the sunlight to the heat exchanger so as to heat the heat exchanger, and the heat exchange can heat the air entering the air homogenizing device through the air inlet; and the driving mechanism is connected with the light condensation plate, can drive the light condensation plate to move and is used for changing the light reflection direction of the light reflection face. By means of the adjustable light condensation plate drying device, sun energy can be used for heating the air through the heat exchanger, and energy is further saved; and meanwhile, the adjustable light condensation plate drying device has the beneficial effects of being flexible in use and high in automation degree.

The invention discloses a composite heating type heat storage soldering iron which comprises a hollow soldering iron core, wherein a soldering iron head is arranged at one end of the soldering iron core, the other end of the soldering iron is connected with a handle, an inner heating wire is arranged inside the hollow soldering iron core, an inner heating electric wire is connected to a position,near the inner heating wire, of the inner heating wire, a hollow heat storage metal block is arranged on the exterior of the soldering iron core in a sleeving manner, an external heating wire is arranged on the exterior of the soldering iron core in a winding manner, and the external heating wire is positioned inside the hollow chamber of the heat storage metal block. The composite heating type heat storage soldering iron provided by the invention has a simple structure, has various heating ways, is fast in heating and affected little by the environment, and is convenient to use.

The invention discloses a multiple-feeding-port and multiple-seal combined internal and external heating fluidized bed pyrolysis and gasification system, and belongs to the technical field of waste pyrolysis and gasification. The system comprises a material feeding unit, a fluidized bed pyrolysis and gasification unit, a cyclone separator, a cyclone separator discharging pipe, a circulating returning device, a discharging valve and a solid product collecting tank. The material feeding unit comprises a double-valve locking hoper feeder, a rotary valve feeder and a screw conveyor. The fluidized bed pyrolysis and gasification unit comprises a gas inlet system, a lifting pipe and a heater. Materials are added through the bottom and upper portion of the lifting pipe and the upper portion of the circulating returning device, and one or more non-mechanical valves or mechanical valves or screw conveying devices are adopted between the lifting pipe and the cyclone separator discharging pipe to ensure material sealing between the lifting pipe and the discharging pipe. An electro-magnetic induction or microwave or electric heating and efficient heat preservation layer is adopted on the outer portion of the lifting pipe. The overall pyrolysis and gasification efficiency and the product gas heat value are greatly improved, the tar content of product gas is reduced, and no dioxin or other pollutants are contained in the product gas.

The invention belongs to the technical field of biomass conversion and chiral synthesis and particularly relates to a method for preparing D-erythrose from biomass saccharides. According to the invention, the biomass saccharides are adopted as the raw materials, and under the aqueous phase condition and the alkaline environment, the raw materials are catalyzed to obtain the D-erythrose. The method is has the following characteristics: the type of the biomass saccharides is more, the initial concentration range of the biomass saccharides is wide, the heating manner is flexible, the basicity range of a catalyst is wide, and the single chirality of the catalyst is realized; the operation is simple and convenient, equipment is simple, energy is saved, the aftertreatment is convenient, and both the percent conversion and the selectivity are high. As the D-erythrose is regarded as one of important platform chemical compounds at present, a series of products with wide application ranges can be obtained through chiral conversion and achiral conversion, can serve as midbodies of fine chemical engineering and pharmacy, and has huge economical value and broad application prospects. Therefore, through the method for efficiently preparing a great amount of D-erythrose from the biomass saccharides, large-scale industrialized production is expected to realize.

A wind power heating system comprises a wind power generator, an electric heating device, a temperature sensor and a temperature control system, and is characterized in that the wind power generator is connected with the electric heating device through one power transmission wire, the electric heating device is composed of a fixed electric heating layer, a heat storage layer and the temperature sensor, the temperature sensor is arranged on the heat storage material layer of the electric heating device, one end of the temperature control system is connected with the fixed electric heating layer on the electric heating device through another power transmission wire, and the other end of the temperature control system is connected with the temperature sensor through a thermocouple wire. The wind power heating system has the advantages that the system is flexible in heating mode, low in operation cost, nearly free of cost and environmentally friendly; a resident power grid does not need to be connected for heating, work voltage is relatively low, and safety and reliability are achieved; the heat storage layer can effectively and slowly release heat, so that large temperature changes caused by intermittent and unstable wind energy can not happen during heating.

The invention discloses a household multi-functional drying rack including a supporting frame, a heating component, a tray and a main hanging rod; the heating component is rotationally connected withthe supporting frame, the heating component at least includes a vertical working state and a horizontal working state, and a heat conduction groove is formed in the heating component; the tray is connected with the heating component in a heat conduction manner, a clamping foot is arranged at the bottom of the tray and is matched with the heat conduction groove, and the clamping foot is higher thanthe heat conduction groove; water filtering holes are formed in the tray; and the main hanging rod is connected with the supporting frame and is located above the heating component. Due to the reasonable design of the drying rack, an electric heating technology is fully applied to kitchen and bath home life; a brand-new heat conduction heating module is formed through connection and cooperation among the supporting frame, the heating component, the tray and the main hanging rod, thereby obtaining an innovative small household appliance product with a wider application range.

The invention discloses an asphalt mixture transportation method for an expressway. The asphalt mixture transportation method comprises the steps that the number of material transportation vehicles iscalculated, an advance route is determined, the material transportation vehicles are preheated, lubricant is sprayed, vehicles are loaded, heat preservation is conducted, transportation is conducted,and cleaning is conducted, the number of the material transportation vehicles is determined according to production capacity, transport time, consumption and the like of a mixing plant, safety reserve vehicles are increased, and occurrence of material stopping of paving is avoided. Material transportation vehicle pre-heating, lubricant spraying, heat preservation and other measures can minimize probability of segregation of an asphalt mixture, and the effects of improving the quality of asphalt pavement, prolonging the service life of the pavement, and lowering the cost of later maintenance are realized.

The invention relates to an electromagnetic heating plate. The electromagnetic heating plate comprises a plurality of heating units arranged corresponding to a heating area, each heating unit comprises at least two connecting arms used for being electrically connected with other heating units and a driving mechanism used for driving the connecting arms to rotate. The driving mechanism can drive the connecting arms to rotate to the connecting positions where the connecting arms are connected with the connecting arms of the other heating units, and the outer end of each connecting arm is provided with a connecting piece capable of being electrically connected with the other connecting arms. The electromagnetic heating plate is convenient to realize connection of different heating loops. Theinvention relates to an electromagnetic range which comprises a shell and an electromagnetic heating plate arranged in the shell, a heating area of the electromagnetic range is controllable, and low-power control is stable and reliable. The invention further relates to a control method of the electromagnetic range, the heating loop data set is read, and the driving connecting arm is controlled torotate to the corresponding position according to the data in the heating loop data set to form the heating loop. According to the control method of the electromagnetic range, the heating area and theheating power are accurately controlled.

The invention discloses a household multifunctional drying rack. The household multifunctional drying rack comprises a supporting frame, a heating piece, a shoe supporting frame and a main hanging rod. The heating piece is rotationally connected with the support frame; the heating piece at least comprises a vertical working state and a horizontal working state; a heat conduction groove is formed in the heating piece, the shoe supporting frame is connected with the heating piece in a heat conduction mode, clamping feet are arranged on the shoe supporting frame and matched with the heat conduction groove, the main hanging rod is connected with the supporting frame, and the main hanging rod is located above the heating piece. Through reasonable design of the drying frame, the electric heatingtechnology is fully applied to daily life scenes, a brand-new heat conduction heating module is formed through connection and cooperation of the supporting frame, the heating piece, the shoe supporting frame and the main hanging rod, the heating, drying and storage effects on objects, especially shoes, are achieved, and the application range is wide.

The invention relates to a low-carbon environment-friendly heating method for crude oil, through the heating mode that a solar heater serves as a main part and an electric heater serves as an auxiliary part and the integrated design of a heat storage heat reservoir module, heating and heat storage can be conducted independently through the solar heater, dual heating and heat storage can also be conducted through the solar heater and the electric heater, even under the extreme weather condition, the electric heater can independently charge heat to the heat storage heat reservoir in the off-peak electricity period or other periods, it is guaranteed that enough heat sources are used for heating crude oil, the energy storage heating mode is more flexible and diversified, the crude oil heating cost is lower, the heating mode is greener and lower in carbon, the working efficiency is higher, and the overall modular design is simpler.