2310 results about "Heating efficiency" patented technology

The invention discloses a heating furnace group control system and method based on the Internet of Things, and relates to the technical field of industrial Internet of Things heating furnace control. The adaptive edge calculation module fuses algorithm processing data and reduces response delay; the dynamic thermal efficiency optimization module predicts and improves thermal efficiency; the digital twinborn decision support module realizes fault prediction; the collaborative energy scheduling module optimizes multi-furnace operation; the block chain security management module guarantees data security; and the cognitive interaction interface module realizes multi-modal interaction, and the system also comprises extension modules such as a multi-scale combustion optimization module and the like, so that accurate control and intelligent management are realized. According to the invention, accurate acquisition and real-time processing of multi-dimensional data of the heating furnace group are realized, the heat efficiency is improved, and energy consumption and emission are reduced; the system has the capabilities of fault prediction, cooperative scheduling and data security guarantee; and the man-machine interaction experience is improved, the production efficiency is improved, and intelligent upgrading of industrial heating is promoted.

The utility model provides a peak-shaving steam supply system for deep waste heat utilization of a thermoelectric unit, which deeply recovers cold end waste heat and flue gas waste heat of a cogeneration unit, is coupled with a two-stage compression heat pump, extracts waste heat to heat demineralized water, and serves as a primary heat source for supplying industrial steam, so that the waste heat participates in external heat supply; the superheater utilizes the generating capacity of the unit to enable industrial steam to reach steam supply parameters, the waste heat of the unit and the generating capacity are combined for external steam supply, the circulating heat efficiency is improved, the steam supply capacity is improved, meanwhile, the on-grid electricity is reduced, thermoelectric decoupling is achieved, the unit adjusting operation interval is expanded, the operation cost and pollutant emission are reduced, and peak regulation or spot transaction earnings are improved. And a clean, low-carbon, flexible, efficient, economical and energy-saving combined heat and power generation system is constructed.

The invention relates to the technical field of low-temperature gasification and heat management, and discloses an ice layer monitoring prediction and self-adaptive control device for a liquid hydrogen air temperature type gasifier. A data acquisition unit of the device acquires the running state of the gasifier and multi-source sensor data of an external environment; the weather prediction unit obtains weather change information in a future period and calculates a comprehensive influence coefficient of weather on the operation state of the gasifier; the data fusion and processing unit calculates an ice layer thickness correction value of each monitoring node according to the data of the multi-source sensor; the threshold value judgment unit judges the icing state of the node, and after the node is judged to be in the icing state, a judgment index representing the icing risk and the ice layer development trend is calculated; and the control response unit switches a deicing mode and executes a corresponding deicing control strategy according to the change state of the judgment index, and switches a high-energy-consumption deicing mode, a low-energy-consumption deicing mode and an observation mode. The deicing energy consumption of the gasifier is reduced, and the operation stability and the heat efficiency are improved.

The embodiment of the invention discloses a heating method of parallel battery packs, electronic equipment and an energy storage system. The method comprises the steps of detecting a connection state of an external power supply and a parallel battery pack; when it is detected that the external power supply is connected, whether all slave battery packs in the parallel battery packs have heating requirements or not is judged; a plurality of heating gears are preset from the battery pack, each heating gear corresponds to one heating power, and the heating gears are sequenced according to the heating power; according to a preset priority, a heating instruction is sent to the to-be-heated battery pack, so that the to-be-heated battery pack is heated; switching a heating gear of the to-be-heated battery pack based on the relationship between the feedback data of the to-be-heated battery pack and the input energy of the external power supply; after adjustment of the heating gear is completed, heating is conducted for preset time; and after heating is completed, the steps are circulated. According to the embodiment, the slave battery pack is controlled through the main battery pack, the heating gear is dynamically adjusted, and the heating efficiency and the energy utilization rate of the battery pack can be improved.

The invention relates to the technical field of powder bed heating, and discloses a powder bed heating method of additive manufacturing equipment, the powder bed heating method of the additive manufacturing equipment is realized based on a powder bed heating unit of the additive manufacturing equipment, and the powder bed heating unit of the additive manufacturing equipment comprises a handle bottom plate for providing a basic mounting platform for the whole device; a push-pull type local heating design is adopted for the device, a traditional overall preheating mode is replaced, energy consumption and the equipment use cost are greatly reduced, meanwhile, heat loss is reduced, the heating efficiency is improved, and through cooperation of double positioning and a real-time temperature control system, the energy-saving and environment-friendly effects are achieved. The accurate position of the heating unit is guaranteed through mechanical limiting and sensor detection, high-precision temperature control adjustment is matched, it is guaranteed that the temperature of the powder bed is stabilized within the preset range, part defects caused by temperature fluctuation are avoided, and the forming quality and the mechanical property stability of workpieces are remarkably improved.

The invention discloses a heat supply pipe network real-time digital twinning intelligent calculation system based on AI, and belongs to the technical field of heat supply pipe network intelligent regulation and control, the system comprises a digital twinning modeling module, a data acquisition and transmission module, an AI-driven prediction and simulation module, an intelligent regulation and control module and a visual monitoring and interaction module. Through the digital twinborn modeling module, a digital twinborn model of the heat supply pipe network can be created, and comprehensive and real-time monitoring of the operation state of the pipe network is achieved. The AI-driven prediction and simulation module can predict the running state of the pipe network, find potential problems in time and perform early warning; through simulation calculation, an energy efficiency optimization scheme can be provided, a manager is helped to formulate a reasonable regulation and control strategy, energy consumption is reduced, and heat supply efficiency is improved; through the intelligent regulation and control module, accurate regulation and control can be performed according to the room temperature requirement set by the user, and the comfort degree and satisfaction degree of the user are improved.

The utility model relates to the technical field of heating devices, in particular to a short-wave infrared ray heating curing lamp box which comprises a heat insulation box body, a short-wave infrared ray lamp, an air blowing device, a lampshade fixing plate and a reflection lampshade, and the reflection lampshade comprises an outer shell, an arc-shaped reflection plate, a profiling pressing plate, a locking piece, an insulation base and at least two conductive chucks. The profiling pressing plate and the arc-shaped reflecting plate are arranged in the outer shell from top to bottom in an overlapped mode, and a heating curing groove and an exhaust groove are formed in the bottom face of the heat insulation box body. Short-wave infrared light emitted by the short-wave infrared lamp can be focused on a workpiece to the maximum extent through the arc-shaped reflecting plate, so that the utilization rate of heat energy and the heating efficiency are improved, modular assembly of the reflecting lampshade is achieved, disassembly, assembly and maintenance are convenient, and the practicability is high. The arc-shaped reflecting plates with different reflectivity can be replaced according to the heating requirements of different workpieces, the airflow generated by the blowing device dissipates heat of the short-wave infrared lamp, the heated airflow is blown to the workpieces, and the workpieces can also be heated.

The invention relates to the technical field of energy consumption optimization, and provides a heater energy consumption optimization method and system based on gas-steam combined cycle. The method comprises the steps that gas turbine exhaust, waste heat boiler steam and heater operation parameters are collected in real time, and a dynamic energy consumption data set is constructed; training a load prediction model based on the historical load curve and the meteorological data, and outputting future load distribution; performing multi-working-condition energy consumption simulation according to the data set and the predicted load, and generating an energy consumption characteristic topological graph and a thermal efficiency fluctuation graph; and based on the atlas, optimizing heater control parameters by taking energy consumption minimization as a target, generating an optimal control set, and regulating and controlling the running state of the heater. The technical problems that in an existing gas-steam combined cycle system, heater energy consumption control is not accurate, and efficiency fluctuation is large are solved, and the technical effects that through combination of real-time data collection and a prediction model, heater energy efficiency optimization and control parameter dynamic adjustment are achieved, and therefore energy consumption is reduced to the maximum extent, and heat efficiency is improved are achieved.

The utility model relates to the technical field of aerosol generation, in particular to a heating device and atomization equipment for an aerosol generation matrix, the heating device comprises a supporting assembly, a heating assembly and a reflecting part, the supporting assembly is provided with an air inlet, the heating assembly comprises a heat conduction part and a heating part, the heat conduction part is of a hollow structure with two open ends, and the reflecting part is arranged in the heat conduction part. The heating piece is arranged at the opening, away from the air inlet, of the heat conducting piece, a heating cavity is defined by the heating piece and the heat conducting piece, an airflow channel communicating the air inlet with the interior of the aerosol generating substrate is formed in the heating cavity, the heating piece is used for heating after being electrified, and the heat conducting piece is used for absorbing at least part of heat of the heating piece; the reflecting part is arranged on the outer side of the heat conduction part and used for reflecting heat radiated outwards by the heat conduction part and / or the heating part. Heat loss can be reduced, the heat utilization rate can be improved, power consumption of the power supply assembly can be reduced, heating efficiency can be improved, the aerosol generation speed can be increased, and a user is prevented from being scalded.

The invention relates to the field of cracking, and discloses a direct electric heating cracking furnace, application and a method for preparing olefin through cracking, the cracking furnace comprises a preheating section, a cracking section and a post-treatment section, and the cracking section adopts a metal furnace tube with resistance gradually reduced in the material flowing direction; the metal furnace tube is directly connected with the electric heating component; the preheating section is used for preheating cracking raw materials and diluting steam; the cracking section is used for cracking the preheated cracking raw material in the presence of the preheated steam; and the post-treatment section is used for cooling and separating the cracking product. According to the direct electric heating cracking furnace disclosed by the invention, heat is directly generated from the heated metal furnace tube instead of being transmitted from the outside through heat radiation, so that the thermal efficiency is high, the heat loss is small, the heating speed is high, the cracking preparation of low-carbon olefin is facilitated, and each product has relatively high yield.

The invention discloses a microwave cavity heating structure based on acoustic vibration and a microwave heating homogenization method. Comprising a microwave heating cavity, an acoustic vibration device, a dynamic metal structure, a microwave generator and a temperature sensor, the microwave heating cavity is internally provided with an inner cavity, and the bottom surface of the inner cavity is connected with a plurality of dynamic metal structures which are distributed at equal intervals in an array manner; the acoustic vibration device is arranged on the side wall of the inner cavity and used for generating acoustic vibration to the inner cavity, the microwave generator is arranged on the side wall of the inner cavity and used for injecting microwave energy into the inner cavity to form an electromagnetic field, and the dynamic metal structure generates mechanical vibration under the influence of the acoustic vibration so as to dynamically change the distribution of the electromagnetic field of the inner cavity; and the temperature sensor is arranged at the top of the microwave heating cavity. The problems of hot spots and non-uniform heating in the microwave heating process can be effectively solved, the heating efficiency and quality are improved, and the microwave heating device is suitable for the fields of food processing, material treatment, chemical reaction and the like.

The utility model relates to the technical field of metallurgical electric furnaces, in particular to an induction coil for a medium-frequency electric furnace, which comprises an induction heating coil, an upper cooling coil positioned above the induction heating coil and a lower cooling coil positioned below the induction heating coil, the upper cooling coil, the induction heating coil and the lower cooling coil are all formed by winding hollow pipe bodies in the same spiral direction, the cross section of the induction heating coil is in a D shape, and the induction heating coil comprises an inner pipe wall, an outer pipe wall and two connecting walls connected between the inner pipe wall and the outer pipe wall. The cross section of the induction heating coil is designed to be D-shaped, the inner pipe wall located on the inner side of the induction heating coil is arranged to be arc-shaped, and the outer pipe wall located on the outer side of the induction heating coil extends in the vertical direction, so that current and magnetic field distribution is optimized, and magnetic field energy acts on the surface of a workpiece on the inner side of the induction heating coil more intensively; energy loss is reduced, the heating speed of workpieces is increased, and the heating efficiency of the medium-frequency electric furnace is improved.

The invention provides an interlayer tank body device for quenching oil raw material stirring, and relates to the technical field of quenching oil raw material stirring, the interlayer tank body device comprises a tank body, the peripheral side of the tank body is provided with a heating structure, the upper side of the tank body is provided with a driving structure and a feeding structure, and the lower side of the tank body is provided with a discharging structure; the stirring structure is arranged in the tank body, a heat conduction structure is arranged on the stirring structure, the heat conduction structure corresponds to the heating structure, the stirring structure corresponds to the driving structure, the feeding structure and the discharging structure, and a separation structure is arranged in the tank body. According to the interlayer tank body device for stirring the quenching oil raw materials, heat can be quickly transferred to the middle part in the tank body through the heat conduction structure, the heating efficiency is improved, and the viscosity of the quenching oil raw materials can be reduced after the middle part is heated, so that the stirring efficiency of the quenching oil raw materials is improved; and meanwhile, the heat conduction structure can achieve a certain stirring effect, so that uniform heating of the interior of the quenching oil raw material is ensured.

The utility model discloses a hot bed and 3D printer relates to 3D printing technical field, the hot bed includes shell and heating module, the shell is equipped with the cavity, forms the power supply area in the cavity, the power supply area deviates from the middle area of the cavity, the shell is used for bearing the printing panel; the heating module comprises a plurality of heating units, the two ends of each heating unit are connected to the power supply area, and the heating units form an annular structure. The technical scheme provided by the utility model aims to improve the heating efficiency of the hot bed.

The utility model discloses an air comb head which comprises an air barrel, an air inlet channel, an air outlet channel and an air outlet channel. The air guide structure is arranged on the air duct and is provided with an air inlet and an air outlet; the comb tooth structure is connected to the air guide structure and provided with a plurality of tooth-shaped shells; the multiple inner teeth are located in the tooth-shaped shell; a ventilation flow channel is defined by the side wall, located between the first surface and the second surface, of the inner tooth and the inner wall of the tooth-shaped shell. The ventilation flow channel is divided into a first flow channel and a second flow channel which are communicated with each other; the inner teeth are further provided with drainage channels communicating with the first flow channels and the second flow channels. According to the technical scheme, airflow in the first flow channel is partially distributed to the drainage channel and converged with airflow in the second flow channel, heat is generated, and the heating efficiency of the air comb is improved.

The application provides a method for pulse heating a power battery of an electric vehicle and the electric vehicle. The electric vehicle comprises a plurality of motors and a plurality of three-phase bridge arms. A bridge arm midpoint of each three-phase bridge arm is used for connecting three-phase windings of one motor. Each three-phase bridge arm is used for connecting the power battery through a direct current bus. The control method comprises: controlling each three-phase bridge arm to generate a pulse current on the direct current bus; and adjusting a switching frequency of a switching tube of at least one three-phase bridge arm of the plurality of three-phase bridge arms to reduce a phase difference of the pulse currents generated by the plurality of inverter circuits. The phase value of the pulse current output by the at least one three-phase bridge arm is adjusted, so that the phase difference of the pulse currents generated by the plurality of three-phase bridge arms is reduced, and the heating efficiency of the power battery is improved.

The invention discloses a floor heating structure with a phase change material layer and a preparation method of the floor heating structure, and belongs to a floor heating structure, the floor heating structure comprises a base material layer, the phase change material layer, an auxiliary heat conduction layer and a floor surface layer from bottom to top in sequence; a metal heat-conducting net is embedded into the lower part of the base material layer; the phase change material layer comprises the following components in percentage by weight: 53%-58% of methyl laurate, 30%-35% of n-decanol, 5%-8% of nano aluminum oxide, 4%-6% of polyvinyl alcohol and 0.5%-1.5% of carboxymethyl cellulose. Solid-liquid phase change is carried out through the phase change material layer, redundant heat is absorbed, latent heat is released when a heat source is shut down, and therefore frequent starting and stopping of the heat source are reduced, and energy consumption is reduced. According to the multi-layer heat conduction design, through collaborative optimization of the metal heat conduction net and the auxiliary heat conduction layer, the heat efficiency of the floor heating structure is further improved, the heat response time is shortened, the latent heat characteristic of the phase change material is utilized, the heat buffering effect can be achieved in the floor, the heating temperature fluctuation range is reduced, and the heating comfort is improved.

The invention discloses an integrally-welded three-medium heat exchanger which comprises a heat exchange core, collecting pipes, flat pipes and fins are arranged on the heat exchange core, the flat pipes are longitudinally arranged, the fins are arranged on at least one side of each flat pipe, and all the fins are tightly attached to the flat pipes; the collecting pipe is provided with a connecting pipe or a filler flange which is communicated with an external medium inlet / outlet; a plate bundle unit is arranged on the outer side of the heat exchange core, and the plate bundle unit is formed by sequentially overlapping a plurality of heat exchange plates and fins and sealing the heat exchange plates and the fins through all-welding of the peripheral edges; a first flow channel and a second flow channel are formed in the plate bundle unit, and the first flow channel and the second flow channel are not completely isolated from each other. According to the integrally-welded three-medium heat exchanger, the influence on the refrigerant side in a whole vehicle integrated system can be reduced, and the leakage risk is greatly reduced; meanwhile, the structure is compact, sealing performance is excellent, and heat efficiency is high.

The invention discloses a thermal power plant heat supply efficiency adjusting method and system, and relates to the technical field of thermal power plant heat supply efficiency adjusting.The method comprises the steps that real-time operation data, weather forecast data and historical data of a heat source, a heat supply pipe network and a heat exchange station are collected; a thermal dynamic propagation model is constructed for each heat exchange station, and the time-varying delay time of heat energy transmission is quantified; performing feedforward compensation on the heat source reference load curve by using the time-varying delay time to generate a personalized load prediction curve; aggregating to form a total load adjusting instruction curve; the system comprises a data acquisition and fusion module, a thermal dynamic propagation model calculation module, a collaborative prediction and delay compensation module and a model self-correction module, source-load collaborative regulation and control are achieved, the problem of heat supply mismatch is solved, the energy efficiency and the model adaptability are improved, and the energy efficiency and the model adaptability are improved. The system stability is enhanced.

The utility model belongs to the technical field of heaters, and discloses a liquid heater water channel structure and a liquid heater, the liquid heater water channel structure comprises a shell, a plurality of vortex generators and a ski-jump plate, two throttling channels are respectively arranged at the water inlet end and the water outlet end of a main flow channel; the water inlet flow channel and the water outlet flow channel are communicated with the main flow channel through the corresponding throttling channels, the vortex generators are distributed in the main flow channel in a matrix mode, the ski-jump plate is arranged on the side, close to the throttling channels, of the water outlet end of the main flow channel, and liquid in the main flow channel forms strong turbulent flow under the action of the vortex generators. The continuous vortex structure enhances mixing of liquid in the main flow channel, reduces total heat resistance of heat exchange and improves heating efficiency of the heater, the heated liquid in the main flow channel flows through the ski-jump plate, bubbles of cooling liquid are not prone to being gathered at the water outlet end of the main flow channel, the exhaust effect is more obvious, the bubbles cannot be accumulated even if the liquid heater inclines, and the service life of the liquid heater is prolonged. And the problem of ablation of the heating film of the liquid heater is prevented.

The utility model discloses a heating body, an atomizer and an aerosol generating device. The base body comprises a porous structure and a loading structure, the porous structure is provided with a plurality of micropores, the loading structure comprises a connecting surface and a heating surface, the connecting surface is used for being connected with the porous structure, and the heating surface is used for being in contact with an aerosol generating substrate. The heating element is arranged on the connecting surface or the heating surface and is used for heating the aerosol generating substrate to generate aerosol. In the application, the porous structure is provided with a plurality of micropores, so that the porous structure is relatively low in heat conductivity and has a relatively good heat insulation effect; wherein the heating element is arranged on the connecting surface or the heating surface, so that heat generated by the heating element is blocked by the porous structure and is difficult to dissipate to the outside, heat dissipation is reduced, and the heat generated by the heating element can act on the aerosol generating substrate more, so that the heat efficiency of the heating element can be improved, and the energy consumption of the aerosol generating device can be reduced; and the endurance time of the aerosol generating device is prolonged.

The invention discloses a linear evaporation source and a co-evaporation evaporation source, belongs to the technical field of vacuum coating equipment, and aims to solve the problems of uneven heating, serious heat radiation overflow, easiness in nozzle condensation and inconvenience in maintenance in the prior art. The linear evaporation source comprises a body provided with a cavity and a nozzle, and is characterized in that a slit which does not penetrate to the cavity is formed in the body, a heating source is arranged in the slit, and the heating source heats the body wall where the cavity is located. According to the design, efficient and uniform direct heating is achieved, heat is conducted through the body wall to effectively heat the nozzle to prevent condensation, and the modular structure is convenient to maintain. The slits are arranged at the bottom and the top or on the two side walls so as to optimize the thermal field and inhibit thermal radiation. In addition, a trunk-branch type heating network and an intra-cavity rectifying plate can be arranged or a plurality of units are integrated to form a co-evaporation source. The device is particularly suitable for evaporation of high-melting-point materials such as metal, and has the advantages of being high in heating efficiency, accurate in temperature control, good in film thickness uniformity and convenient and fast to maintain.

The invention discloses an ultrasonic and current-assisted bulging device and method for a metal special-shaped pipe fitting, and belongs to the field of material processing engineering. In order to solve the problems that some high-strength metal pipes are difficult to bulge, large in deformation resistance, prone to cracking and prone to local thinning, the metal pipes are heated through current, media in the metal pipes vibrate through an ultrasonic vibration system, the media in the metal pipes are pressurized through a pressure applying system, and the metal pipes are heated through the ultrasonic vibration system. By utilizing the characteristic that a medium in the metal tube is solid at room temperature and is liquid after being heated, the bulging process is completed for the metal tube. Through the current heat effect, the heating efficiency can be remarkably improved, and the forming efficiency and quality of the metal pipe are finally improved by utilizing the potential of the current in the aspect of improving the plasticity of the metal material. Ultrasonic vibration is applied to the metal pipe through the ultrasonic vibration device, the elongation and thickness uniformity of the material are effectively enhanced, and forming of the high-strength metal pipe is facilitated. The device and the method are mainly used for forming the difficult-to-deform metal pipe.

The invention discloses an MEMS ink-jet printing head heating structure and a preparation method thereof, and the structure comprises a substrate which is provided with an insulating layer on the surface; a first opening for exposing the insulating layer is formed in the conducting layer; a second opening for exposing the insulating layer is formed in the first heating layer; the second heating layer is at least located on the surface, exposed at the second opening, of the insulating layer, the resistance of the material of the second heating layer is higher than that of the material of the first heating layer, and the resistance temperature coefficient of the material of the second heating layer is higher than that of the material of the first heating layer; the protective layer is positioned on the surfaces of the first heating layer and the second heating layer; and the heat conduction layer is located on the surface of the protection layer. The second heating layer with the high resistance value and the first heating layer with the high resistance temperature stability are compounded, the performance consistency of the heating area is improved, and then the heat efficiency of the heating device is improved.

The invention belongs to the field of artificial intelligence, particularly relates to a boiler soot blower strategy adaptive optimization system based on reinforcement learning, and aims to solve the problems of low energy efficiency and equipment wear caused by difficulty in collaborative optimization of soot blowing opportunity, position and strength in an existing soot blowing strategy. The system comprises a boiler operation state sensing module, a soot formation state evaluation module, a reinforcement learning decision engine module, a soot blowing execution control module and a feedback learning closed loop module, the soot formation state is quantified through multi-source data fusion, a multi-target optimization soot blowing strategy is generated through layered reinforcement learning, and strategy online evolution is achieved based on a feedback closed loop. According to the system, the heat efficiency is remarkably improved, the energy consumption and the maintenance cost are reduced, and the adaptivity and robustness of soot blowing control are enhanced.

The utility model relates to a cold and heat recovery system for a constant-temperature room. A conventional air heat exchanger is independently installed in an existing drying room, plate type cross heat exchange is adopted in the heat exchanger, the heat exchange efficiency is low, and air exchange in the room is uneven. The device comprises a drying room and a cooling and heating main machine, an air outlet of the drying room is connected with an air inlet of the cooling and heating main machine through an air return pipe, and an air outlet of the cooling and heating main machine is connected with an air inlet of the drying room through an air supply pipe. An air outlet and a fresh air inlet of the translation type cold and heat recoverer are both formed in the side portion of the air return pipe, the air outlet is closer to an air outlet of the drying room, and an air exhaust fan is arranged at the air outlet of the translation type cold and heat recoverer. According to the utility model, the heating efficiency of a main machine can be improved by simply modifying a conventional drying room structure, and heat can be recovered and efficiently recycled.

The utility model relates to a heating device and a new energy automobile. The heating device comprises a shell and a heating device, wherein a containing cavity is defined by the shell; the shell is provided with a containing cavity, the heating unit is arranged in the containing cavity, the heating unit comprises a ceramic substrate and a heating piece, the ceramic substrate and the shell define a circulation cavity and an installation cavity which are independently arranged, and the heating piece is arranged on the ceramic substrate and located in the installation cavity; and the heating piece is used for heating the liquid passing through the circulating cavity. The ceramic substrate is an insulator, so that the heating element can be directly arranged on the ceramic substrate, and an insulating layer is omitted. In this way, heat generated by the heating piece is directly conducted to the liquid in the circulation cavity through the ceramic substrate, the heat loss is small due to the fact that the transmission path of the heat is short, the heat absorption effect of the insulating layer can be eliminated, the heat loss is further reduced, and finally the heating efficiency of the heating device is improved.

This invention provides a portable hot melt adhesive rapid heating device, including a preliminary preheating mechanism, a segmented melting mechanism, a dispensing nozzle, and a leak-proof vacuum mechanism. The leak-proof vacuum mechanism is installed on the circumferential surface of the preliminary preheating mechanism, and the segmented melting mechanism is installed on its front end face. The dispensing nozzle is also installed on the front end face of the segmented melting mechanism. This design solves the problems of dripping hot melt adhesive after use, which is inconvenient and requires external heating, resulting in low heating efficiency. This invention has a reasonable structure; through the cooperation of the segmented melting mechanism and the leak-proof vacuum mechanism, it can simultaneously heat and melt the inside and outside of the adhesive stick, effectively improving the heating efficiency and preventing leakage from the dispensing nozzle after dispensing, thus improving the cleanliness of the usage environment.

The invention relates to the technical field of photovoltaic material production equipment, and discloses a same-side online heater of a polycrystalline silicon ingot furnace, which comprises an ingot furnace body, and is characterized in that the front side of the ingot furnace body is fixedly connected with a mounting frame, and the inner side of the mounting frame is fixedly connected with a heating element fixing frame; a plurality of heating pipes are arranged on the inner side of the heating element fixing frame at equal intervals, connecting conductive columns are fixedly connected to the left side and the right side of the inner wall of the heating element fixing frame, and a flow guide mechanism is arranged on the outer side of the mounting frame and used for improving the heating efficiency of polycrystalline silicon in the ingot furnace body. The preheating gas conveying pipe utilizes heat gathered in the heat insulation layer to conduct preheating, the temperature difference between the preheating gas conveying pipe and a silicon material is reduced, the silicon material is evenly covered with protective gas through the dispersing device, the heat is more evenly distributed in the ingot furnace, more regular crystal structures with fewer defects can be easily formed, the ingot casting quality is improved, the energy consumption of the heating pipe is reduced, and the production cost is reduced.

The utility model discloses a thick film heating washing pump, which can realize double-sided heating, greatly improve the heating efficiency and reduce the energy consumption. A thick film heating washing pump comprises a motor part, a pump body part and a heating part. The motor part is used for providing power for driving the liquid. The pump body part is connected with the motor part. The pump body part comprises a pump shell and an impeller. A pump cavity is formed in the pump shell. The impeller is arranged at the output end of the motor part. The impeller is located in the pump shell. The impeller is used for driving liquid in the pump shell to rotate. And the heating part is arranged on the motor part. The heating part comprises a heating piece and a drainage piece. The drainage piece is arranged in the pump shell and located in the inner ring of the heating piece. The drainage piece is used for guiding liquid in the pump shell to pass through the two sides of the heating piece. Liquid entering the pump shell is driven by the impeller to be close to the inner wall of the pump shell in a centrifugal mode, the liquid enters the two sides of the heating piece to be heated at the same time under the action of the drainage piece, and heat energy on the two sides of the heating piece is used for heating the liquid through cooperation of the drainage piece and the impeller.