67results about How to "Improve heating quality" patented technology

The invention provides a secondary network thermal load prediction method based on a CEEMDAN-KPCA-LSTM algorithm. The method comprises the following steps: dividing a complemented data set into a training set and a test set according to a proportion; key factors influencing the dynamic change of the thermal load of the secondary network in the training set data are used as input variables, and the thermal load data are used as output variables; performing local encryption and standardization processing on the thermal load data; building an improved neural network model for predicting the dynamic thermal load of the building; training the improved neural network model, and when the improved neural network model meets a convergence condition, obtaining a trained improved neural network model; performing standardization processing on the test set data, and setting test set input data according to an input variable selected from the test set data after standardization processing of the training set data; and inputting test set input data into the trained improved neural network model to realize prediction of the dynamic thermal load of a certain building in the future 24 hours.

The invention relates to a power plant waste heat recovery and heat storage type heating composite optimization method and system. A heat exchanger in the waste heat recovery system is accurately selected according to waste heat characteristics, a pipeline is insulated, and a sensor is arranged to be connected with a control system. The heat storage device is made of a composite heat storage material, is modularly designed and has intelligent heat charging and discharging control. The heating network comprises a water supply and return pipe network, a key node is provided with a sensor and a regulating valve, and a user side is provided with an intelligent heat meter. And establishing a collaborative optimization model, solving by adopting an intelligent algorithm, and developing an intelligent predictive control system. The energy utilization efficiency is improved by 20%, the heating quality is optimized, the room temperature uniformity is improved by 15%, the indoor temperature fluctuation is within + / -2 DEG C, meanwhile, the operation cost is reduced by 15%, environmental pollution is reduced, good economic and social benefits are achieved, and the method is suitable for the field of power plant waste heat utilization and heating.

The invention relates to a heating furnace temperature coupling type control system and method based on grid temperature measurement, and belongs to the field of industrial heating furnaces. The heating furnace comprises a heating furnace body, a grid temperature measurement system, a coupling type control system and a furnace temperature control method. The heating furnace body is divided into different areas, and the grid temperature measuring system is composed of a plurality of high-temperature gas sensors and used for measuring the flue gas temperature of the different areas in the furnace. The coupling type control system comprises a pulse type combustion control system and a section adjusting type combustion control system, operation of the combustor can be adjusted in real time according to the difference between the temperature in the furnace and the set temperature, and therefore accurate control over the temperature in the furnace is achieved. According to the control method, different control strategies are adopted according to furnace blanks in different temperature ranges. By means of the method, efficient and accurate control over the temperature in the heating furnace can be achieved, meanwhile, energy consumption is optimized, and heating quality is improved.

The invention relates to the technical field of high-strength steel processing, in particular to a 165 square billet HRB500E high-strength steel direct rolling process which comprises the following direct rolling steps: S1, preparing the following raw materials: carbon steel, vanadium and niobium, and doping the vanadium and the niobium into the carbon steel to prepare a steel billet to be processed; s2, the steel billet is heated, the heating temperature is accurately controlled, waste heat in flue gas is recycled to preheat flame-retardant air through a heat storage type combustion technology, and the steel billet is heated; and S3, the heated steel billet is fed into a roughing mill to be subjected to preliminary rolling, rough rolling and finish rolling. Vanadium and niobium are doped into carbon steel to improve the strength of the prepared reinforcing steel bar, a heat storage type combustion technology is adopted for temperature control, a steel billet is heated, the temperature is controlled, the heating efficiency is improved, energy consumption is reduced, furnace gas circulation in a heating furnace is enhanced through the heat storage type combustion technology, and the energy consumption is reduced. And the inconvenience of heating temperature control is reduced.

The invention discloses a self-adaptive adjusting type liquid storage tank which comprises a base, a liquid storage tank body is correspondingly installed on the base, a cover body is arranged at the upper end of the liquid storage tank body, a liquid pumping pipe extending downwards is further installed on the cover body through a fixing piece, and the liquid pumping pipe extends downwards to the bottom of the liquid storage tank body; a heating interlayer is further arranged on the outer side of the liquid storage tank, the lower end of the heating interlayer is correspondingly fixed to the base, and a sealing ring plate extending outwards is arranged at the upper end of the liquid storage tank. The internal liquid level meter can record the height position of liquid, and the control device on the outer side controls the lifting mechanism to drive the piston plate in the heating interlayer to move up and down, so that the position of the piston plate is consistent with the height of the liquid in the liquid storage tank on the inner side; and hot water in the heating interlayer is always consistent with the liquid in the liquid storage tank in height, and redundant hot water does not need to be introduced into the heating interlayer, so that the use amount of heat and the loss of the heat can be effectively reduced, and self-adaptive adjustment is realized.

The utility model discloses an inductive heating type low carbon stove structure, including metal muffle, front gas seal, rear gas seal, water -cooling induction coil and induction power supply, the front gas seal and rear gas seal of two ends fixed mounting of metal muffle are described, water -cooling induction coil all enclose in metal muffle outer surface, induction power supply is connected with water -cooling induction coil. The utility model discloses good solution traditional heating mode through the problem of low efficiency, big heat loss of heat loss, is a kind of energy -conserving type low carbon muffle structure, and control, feedback is more direct sensitive and high accuracy.

The application relates to the field of polarizer production, and particularly discloses a film material heating equipment for polarizer production, which comprises a base, a processing table assembly connected with the base, a loading roller assembly connected with the processing table assembly, a material collecting roller assembly connected with the processing table assembly, a tensioning assembly connected with the processing table assembly and a heating assembly connected with the processing table assembly. The tensioning assembly comprises a driving adjusting device connected with the processing table assembly and a linkage stretching assembly connected with the processing table assembly. The device can realize different degrees of tensioning stretching of the film layer through cooperation of the driving adjusting device and the linkage stretching assembly. Meanwhile, the heating assembly cooperates with the material collecting roller assembly to realize double heating, thereby further improving the heating quality of the film material.

This invention belongs to the field of combustion control technology for heating furnaces, specifically a dynamic prediction method for air-fuel ratio based on combustion control in heating furnaces. It includes preprocessing raw monitoring data from the heating furnace operation process based on combustion mechanisms, constructing a multi-dimensional input vector, outputting the optimal air-fuel ratio prediction value for future moments based on an improved LSTM neural network model, and adjusting the combustion air supply to the heating furnace according to the optimal air-fuel ratio prediction value. This invention effectively solves the problem of slow response to gas fluctuations and changes in operating conditions in traditional methods through the synergistic driving of mechanisms and data, significantly improving the accuracy and real-time performance of combustion control. Furthermore, by deeply integrating physical mechanisms, it enhances the model's generalization ability and interpretability, significantly improving the thermal efficiency of the heating furnace and reducing unit product energy consumption and harmful gas emissions.

The utility model relates to the technical field of heating equipment, and discloses graphite cathode material heating equipment which comprises a heating tank, a feeding port is formed in the left end of the top of the heating tank, a feeding hopper is arranged in the feeding port, a heating device is fixedly installed at the right end of the top of the heating tank, and the output end of the heating device is communicated with a heat transfer pipe. A rotating pipe is arranged in the heating tank, a transmission cavity is formed in the heating tank, a heating cavity is formed below the transmission cavity, a discharging cavity is formed below the heating cavity, and a second discharging opening communicated with the outside is formed in the left face of the discharging cavity. Through arrangement of a heating device, a heat transfer pipe and a heat conduction rod, the internal heating effect is effectively achieved, meanwhile, a first bevel gear and a second bevel gear are driven to rotate by driving a transmission motor to rotate, and a rotating pipe and the heat conduction rod are driven to rotate by rotation of the second bevel gear, so that a graphite negative electrode material is heated more uniformly; and the overall heating quality of the graphite negative electrode material is improved.

The invention relates to the technical field of central heating, in particular to a heat supply pipe network balance regulation and optimization system based on big data, which comprises a big data acquisition module, a pipe network model construction module, a balance regulation and optimization module and an execution and monitoring feedback module. An improved adaptive genetic algorithm is adopted to solve a multi-objective optimization problem of energy consumption, heat supply uniformity and maintenance cost, optimal regulation and control parameters are output, leakage detection, heat demand pre-judgment and smart city docking functions are integrated, and closed-loop regulation and control and intelligent operation and maintenance are realized. Application shows that heat supply uniformity is larger than or equal to 0.95, the maximum energy consumption saving rate is 18.3%, leakage response is smaller than or equal to 30 s, heat supply quality, energy-saving benefits and operation and maintenance efficiency are remarkably improved, and complex pipe networks and diversified heat utilization requirements are met.

The present invention relates to a production method for improving the surface and edge quality of silicon steel, comprising: 1) preparing a protective coating; the protective coating is composed of material A and material B, material A is plastic particles, and material B is continuous casting crystallizer protective slag; 2) spraying the protective coating evenly onto the surface of the silicon steel slab before loading the furnace; 3) heating the silicon steel slab in the furnace; 4) descaling the silicon steel slab with high-pressure water after it is taken out of the furnace. The present invention sprays the protective coating before heating the silicon steel slab, heats the slab under a corresponding heating system, reduces burn loss and heating quality defects, and can especially improve the surface and corner decarburization problems of high-silicon products, improve the subsequent processing capacity of the steel plate, reduce edge cutting, and reduce the occurrence of broken belt accidents, thereby producing high-quality and high-yield cold-rolled non-oriented silicon steel products.

The utility model discloses a device capable of reducing the CO content of a hot rolling heating furnace, which relates to the technical field of heating furnaces and comprises a heating furnace body and an air inlet box, a second smoke exhaust pipe, an air inlet pipe and an air supply pipe are fixedly communicated on the air inlet box, the air supply pipe is communicated with the heating furnace body, and an air mixing component for mixing smoke and fresh air is arranged in the air inlet box. According to the novel energy-saving and environment-friendly boiler, the design structure is reasonable, flue gas is divided into qualified flue gas and unqualified flue gas through the piston assembly and conveyed into the first flue gas exhaust pipe and the second flue gas exhaust pipe respectively, then the flue gas and fresh air are efficiently mixed and preheated through the air mixing assembly, the combustion efficiency is optimized, and the combustion efficiency is improved. And qualified smoke in the first smoke exhaust pipe can preheat fresh air through the reheating pipe, so that the problem that the temperature of the furnace body is reduced due to the fact that the fresh air is directly added is effectively avoided, the temperature balance in the heating furnace body is guaranteed, and the heating efficiency and the product quality are improved.

The utility model belongs to heating equipment field especially, it is a kind of graphite liquid phase coating agent heating equipment, including support frame, the top of support frame is equipped with weighing frame, and is equipped with heating bucket on weighing frame, and is equipped with graphite liquid phase coating agent stirring mechanism on heating bucket;The inner bag is installed in the heating bucket, and heating chamber is equipped between inner bag and heating bucket, and the side of heating bucket is provided with membrane temperature machine, and injection pipe is installed on membrane temperature machine, and injection pipe is connected with heating chamber intercommunication, and the side top of heating chamber is equipped with the return liquid pipe connected with membrane temperature machine, and spiral guide plate for the heat conducting medium direction is equipped in heating chamber, the top of heating bucket is equipped with feed pipe.

The invention discloses a heat treatment device for flywheel machining, and relates to the technical field of heat treatment. According to the heat treatment device for flywheel machining, through the design of a composite mechanism, water is fed and discharged from a water inlet and outlet pipe, so that liquid cooling is facilitated, a flywheel is placed on a clamping mechanism, the flywheel is fixed through the clamping mechanism, the situation that the heat treatment effect is affected due to shaking during operation is avoided, and the heating device plays a role in wrapping the flywheel; a flywheel is subjected to heat treatment in a high-frequency heating mode, a composite shell is sealed through a cover plate, and a protection mechanism covers the top of the flywheel, so that the movement space of the flywheel is limited, deviation during rotation is avoided, a lifting rod is controlled to drive a clamping mechanism to rotate, and the effect that the flywheel is evenly heated is achieved; the lifting rod drives the flywheel to descend towards the bottom of the inner side of the composite shell to make contact with cooling liquid, so that the material cooling effect is achieved, and the product performance is prevented from being affected by too high temperature.

The invention discloses a solar photovoltaic thermal and valley electricity comprehensive utilization heating system with heat storage function, including an air collector, a heat storage, a heater, an air duct and a controller. There are eight air ducts, the first air duct and the second air duct are respectively arranged at the upper and lower ends of the air collector, the first air duct is connected to the third air duct, the second air duct is connected to the fourth air duct, the third air duct and the fourth air duct are connected by the fifth air duct, the seventh air duct and the eighth air duct are respectively arranged at the upper and lower ends of the heat storage, the other port of the seventh air duct is connected to the fourth air duct, the other port of the eighth air duct is connected to the third air duct, and the fifth air duct and the seventh air duct are connected by the sixth air duct. Beneficial effects: effectively improve the quality of heating; the comprehensive utilization rate of solar energy can reach more than 80%, and it has broad application prospects.

The invention discloses a large automatic lifting feeding and taking charging car and a control method thereof.The charging car comprises a bottom skip car, an operation platform and a material platform are arranged on the bottom skip car, a control box is arranged on the operation platform, the control box is in signal connection with an upper computer, the operation platform is located at one end of the material platform, and the material platform is located at the other end of the material platform. The material platform comprises an upper lifting skip car, an up-down lifting mechanism and a left-right translation mechanism, the upper lifting skip car is installed on the bottom skip car through the up-down lifting mechanism and the left-right translation mechanism so as to achieve up-down lifting and front-back translation movement of the bottom skip car, and the method comprises the steps of task receiving and global planning; taking the materials; according to the invention, intrinsic safety is realized, the risk of high-risk manual operation is completely eradicated, the operation efficiency is greatly improved, high precision and strong self-adaptive capability are achieved, and the charging quality is guaranteed.

The invention discloses a method for generating the temperature of a plate blank in a heating furnace and related equipment, and relates to the technical field of heating furnaces, and the method comprises the following steps: obtaining thermophysical parameter data and surface temperature of the plate blank; calculating according to the thermophysical parameter data and a heat conduction equation to obtain the average temperature of the plate blank; and calculating the average temperature of the plate blank and the surface temperature according to a linear average method to obtain the average temperature. The average temperature of the plate blank is calculated through the optimized method based on the heat conduction equation, the control precision of the discharging temperature of the plate blank is improved, the temperature of the plate blank in the heating furnace is controlled more accurately, and the purpose of improving the heating quality of the plate blank is achieved.

This invention relates to the field of industrial automation and intelligent manufacturing technology, and discloses an intelligent combustion control method and system for a steel rolling heating furnace. The method includes acquiring flow rate, furnace temperature, environmental data, and response parameters; aligning the flow rate and calculating a weighted ratio based on the furnace temperature; filtering and mapping if the ratio exceeds the limit to obtain a proportional imbalance offset; extracting and aligning feature vectors based on the offset to obtain a fluctuation feature sequence; mapping the sequence to a frequency range to obtain an amplitude threshold, and if the threshold is exceeded, performing reverse mapping to obtain adjustment suggestions; combining the response parameters with time axis alignment and gain mapping to obtain an optimization scheme; and performing time axis offset processing and deviation calibration to obtain the final control sequence. This method can achieve real-time and accurate closed-loop control under complex dynamic disturbances.

The utility model relates to a bearing heating technology for a rotary kiln, and discloses a bearing heater for a rotary kiln, which comprises a heater and a cover, and the heater comprises a heating cavity and an electromagnetic induction heating device; an oil inlet pipe is arranged on the heater, an induction coil of the electromagnetic induction heating device is arranged outside the heating cavity, a transformer is located on one side of the heater and connected with the induction coil, a temperature sensor and a microcontroller are arranged on the heater, the temperature sensor is located on the inner wall of the heating cavity, and a control panel is installed on the heater. The microcontroller is located in the control panel, a monitoring device is arranged in the control panel, an alarm is arranged on the top of the heater and electrically connected with the microcontroller, an automatic power-off device is installed on the heater and electrically connected with the microcontroller, a filter is installed on the heater and connected with an oil outlet pipe, and an oil pump is arranged on the oil outlet pipe. The oil pump is connected with an oil inlet pipe through a circulating oil pipe, and an automatic lifting device is installed at the bottom of the heating cavity and provided with a protective fence.

The invention discloses a multi-feed-source coaxial-waveguide composite resonance microwave heating device and a control method, the multi-feed-source coaxial-waveguide composite resonance microwave heating device comprises a waveguide cavity and a plurality of coaxial coupling structures, the top surface of the waveguide cavity is open, and the plurality of coaxial coupling structures are integrated in the cavity wall of the waveguide cavity. Each coaxial coupling structure comprises a coaxial port and a coaxial coupling helix which are connected with each other, the coaxial port serves as an input end of the feed source, and a microwave signal is input into the waveguide cavity through the coaxial port and the coaxial coupling helix in sequence to heat an object to be heated in the waveguide cavity. A coaxial and waveguide composite resonance mode is constructed, impedance matching and heating uniformity are further optimized in combination with gradual change spiral parameter design and a multi-source heating control method, and the method is suitable for the field of industrial heating and precise material processing with extremely high temperature uniformity requirements.

The utility model discloses a kind of cosmetic plastic bottle injection blow molding production equipment, it is related to plastic bottle technical field.The utility model includes heating bucket, is provided with stirring mechanism and heating mechanism on the heating bucket, the stirring mechanism includes the shaft one rotationally connected in the middle shaft of heating bucket, the bottom of the shaft one is fixedly connected with fixed box, the bottom inner wall of the heating bucket is fixedly connected with the shaft two, the outer wall of the shaft two is fixedly connected with bevel gear one.The utility model is stirred by being provided with stirring mechanism, the fixed movement track of stirring paddle of traditional device, there are more stirring dead angle, it is difficult to realize material fully mixing, and it is difficult to effectively take material and heating element fully contact, not only lengthen heating time, it can also be due to material unevenly heated, when subsequent injection blow molding, uneven wall thickness, bubble, deformation and other quality problems appear, increase scrap rate, it is difficult to meet the production demand of extremely high product quality requirement of cosmetic plastic bottle etc.

The utility model discloses an electrothermal furnace for ferroboron production, and relates to the technical field of ferroboron production. The furnace comprises a furnace body, a smoke hood assembly, a feeding assembly and a monitoring assembly, a smoke hole is formed in the center of the top of the furnace body and connected with a smoke hood assembly, an electrode hole and a discharging hole are formed in the edge of one side of the top of the furnace body, the electrode hole is connected with an electrode assembly, the discharging hole is connected with a feeding assembly, and a monitoring hole is formed in the edge of the other side of the top of the furnace body and connected with a monitoring assembly. The smoke hood assembly comprises a smoke hood body and a water cooling sleeve; the smoke hood body is in a circular truncated cone shape. By arranging the smoke hood assembly, heat energy in tail gas can be recycled and reused, by arranging the feeding assembly, the input amount of raw materials can be accurately controlled, by arranging the monitoring assembly, parameters such as the temperature and the pressure in the electric heating furnace can be monitored in real time, and the problems that an existing electric heating furnace is single in function and inconvenient to regulate and control are solved.

The utility model discloses an asphalt mixture heat preservation transportation device which comprises a box body and a moving assembly. The moving assembly is connected with the box body so that the box body can move. A heat preservation assembly and a cavity are arranged in the box body; the heat preservation assembly comprises a first constant-temperature cavity, a second constant-temperature cavity, a first heat conduction pipe and a second heat conduction pipe. The first constant-temperature cavity and the second constant-temperature cavity are respectively formed in the box body and are respectively positioned on two opposite sides of the cavity body; one end of the first constant-temperature cavity is communicated with one end of the second constant-temperature cavity; the first heat conduction pipe is erected in the box body and penetrates through the cavity, and one end of the first heat conduction pipe communicates with the first constant-temperature cavity; the second heat conduction pipe is erected in the box body and penetrates through the cavity, and the two ends of the second heat conduction pipe communicate with the other end of the first constant-temperature cavity and the other end of the second constant-temperature cavity correspondingly. The first heat conduction pipe and the second heat conduction pipe can heat or preserve heat of the asphalt mixture in the box body, so that local overheating or underheating is avoided.

The utility model relates to the technical field of asphalt processing, in particular to an asphalt heating tank which comprises a bottom plate, the top of the bottom plate is fixedly connected with a first tank body and a control panel respectively, the inner wall of the first tank body is fixedly connected with a first electric heating ring, the top of the first tank body is provided with a groove, and the top of the bottom plate is provided with an air cylinder. The top of the air cylinder is fixedly connected with a side plate, the center of the side plate is fixedly connected with a second tank body, the first tank body and the second tank body are opposite in position, the bottom of the second tank body is fixedly connected with a sealing ring, the sealing ring extends into the groove, and the sealing ring abuts against the groove; through cooperative use of an air cylinder, a first tank body, a second tank body, a sealing ring, a groove, a first electric heating ring and a second electric heating ring, the second tank body can be driven to move upwards under the power action of the air cylinder, so that the second tank body is separated from the first tank body, the interior of the tank body can be conveniently cleaned, and the tank body can be normally used next time; and the use convenience of the tank body is improved.

The utility model discloses a heating device for purifying a sodium tungstate solution, which comprises four groups of support columns, a heating kettle is fixedly welded on the upper sides of the four groups of support columns, cleaning mechanisms are arranged on the inner side of the heating kettle close to the two sides, stirring mechanisms are arranged on the inner side and the upper side of the heating kettle, and the stirring mechanisms are arranged on the inner side and the upper side of the heating kettle. A discharging valve is fixedly arranged at the position, close to the center, of the lower side of the heating kettle, a feeding port is fixedly formed in the position, close to the rear side, of the upper side of the heating kettle, the cleaning mechanism comprises a fixing cylinder fixedly arranged at the position, close to one side, of the upper side of the heating kettle, and a connecting port is fixedly connected to the upper end of the fixing cylinder. According to the heating device for purifying the sodium tungstate solution, rotation and revolution of the drainer are carried out at the same time, so that dead-corner-free washing of sodium tungstate crystals attached to the inner side of the heating kettle is achieved, collection of sodium tungstate and cleaning of the heating device are facilitated, the heating kettle can be used for a long time conveniently, and the purification work efficiency is improved.

The application relates to the technical field of aerosol generating equipment, in particular to a heating body and a heat-not-burn device. The heating body comprises a heating core body configured to be excited to generate heat, and a heat conduction member with a mounting cavity, wherein the heating core body is arranged in the mounting cavity to transfer heat to the heat conduction member; an air guide channel is arranged on the outer surface of the heat conduction member to reduce the contact area between the heat conduction member and an aerosol generating article and to heat the heat conduction member to generate a hot air flow, so that the aerosol generating article is heated by the convection of the hot air flow and the radiation of the channel wall of the air guide channel. Since the air guide channel is arranged on the heat conduction member, the contact area between the heat conduction member and the aerosol generating article is reduced, the risk of local overheating is reduced, and the possibility of affecting the flavor of the aerosol due to heating of the heating body is reduced. The air guide channel can also improve heating uniformity through convection heating and radiation heating, further ensuring the flavor of the aerosol.

The utility model provides an infrared heating device for a tungsten steel milling cutter, which relates to the technical field of tungsten steel milling cutters and comprises a protective shell, a mounting circular ring and a mounting circular plate are respectively arranged in an inner cavity of the protective shell, a plurality of mounting grooves are formed in the top of the mounting circular ring, and two supporting rods are arranged below the inner cavity of the protective shell. The bottoms of the supporting rods penetrate through the bottom of the inner cavity of the protective shell through shaft sleeves to be fixedly connected with belt wheels, and one end of one supporting rod penetrates through the bottom of the mounting circular plate through the shaft sleeves to extend into the inner cavity of the mounting circular plate. According to the utility model, the infrared radiation of the infrared heater can uniformly cover the surface of the tungsten steel milling cutter, so that a more uniform heating effect is realized, the structural stability and performance of the tungsten steel milling cutter are kept by uniform heating, the processing quality is ensured, the time is saved, the heating efficiency is improved, and the energy waste is reduced.

The application provides a heat supply two-network dynamic balance intelligent regulation method based on fluid mechanics and AI coupling, relates to the technical field of data processing, and comprises the following steps: collecting pressure, temperature and flow data of all nodes in real time through an Internet of Things sensor network deployed in a heat supply secondary pipe network, and constructing a multi-dimensional space-time feature data set; constructing a two-network hydraulic working condition space-time coupling dynamic model through fluid mechanics continuity equation and Bernoulli dynamic equation based on the constructed multi-dimensional space-time feature data set; and training and optimizing the model through a machine learning algorithm based on the established two-network hydraulic working condition space-time coupling dynamic model, so as to obtain an optimized model for performing high-precision dynamic deduction on a second level for pipe network pressure gradient and flow distribution. The application realizes the full-chain intelligentization of heat supply two-network from sensing, deduction to regulation.

The application relates to the technical field of electric heating pipes, in particular to a timing control electric heating pipe, which comprises a mounting shell, a first motor is arranged in the mounting shell to drive a rotating plate to rotate, the rotating plate is rotationally connected with a first gear, linkage of an oblique groove, a sliding rod and a sliding block enables the electric heating pipe body to rotate around the rotating plate as the axis, and preliminary position and angle adjustment is realized. A second motor in a driving mechanism is further accurately adjusted through gear transmission. A timer arranged in the electric heating pipe shell is electrically connected with the electric heating pipe body, and heating time is accurately controlled. A control panel in the mounting shell can uniformly control various components, and operation is convenient. In addition, sliding protrusions and sliding grooves are matched to ensure stable rotation, and mounting threads and handles facilitate installation and carrying. The electric heating pipe solves the problems of fixed heating position and angle, inaccurate timing control and the like of traditional electric heating pipes, is suitable for various heating scenes, and improves heating quality and efficiency.

The utility model discloses an asphalt heating device which comprises a rotating frame, a heating tank and a mounting frame, the front surface and the rear surface of the mounting frame are connected with a first mounting seat and a second mounting seat respectively, the heating tank is connected with an electric heating wire, a tank cover is mounted on one surface of the heating tank, a first motor is mounted on one surface of the tank cover, and the first motor is connected with a driving rod. The driving rod is connected with a stirring rod, the rear surface of the heating tank is connected with an auxiliary gear, and a third motor is mounted on one surface of the second mounting seat and connected with a main gear. By arranging the electric heating wire, the stirring rod, the auxiliary gear and the main gear, the first motor drives the stirring rod to rotate to stir asphalt in the heating tank, meanwhile, the electric heating wire heats the asphalt, and the third motor drives the main gear to rotate to further drive the heating tank to integrally rotate, so that the asphalt in the heating tank shakes; and the situation that local asphalt cannot be heated is avoided, and the heating quality of equipment is improved.