194results about How to "Good heating effect" patented technology

The invention relates to a centralized control type electric heating pot and belongs to the field of technical equipment. The centralized control type electric heating pot comprises a pot body, a heating plate (4) for heating the pot body and a control circuit and is characterized in that the pot body comprises an inner pot body (3) and an outer pot body (1), wherein the outer pot body (1) is arranged outside the inner pot body (3) and wraps all or part of the inner pot body (3); the heating plate (4) comprises an electric heating pipe (402) and a heat-conducting plate matched with the electric heating pipe (402) and is arranged at the bottom of the inner pot body (3); a control handle (2) or a centralized controller (15) is mounted on the outer pot body (1); the control circuit is arranged in the control handle (2) or the centralized controller (15). In the centralized control type electric heating pot provided by the invention, as the heating plate is designed to comprise the electric heating pipe and the heat conducting plate matched with the electric heating pipe, the electric heating pipe is more uniform in heating and better in heating effect.

The invention discloses an air conditioner which is provided with an air inlet, a first air outlet and a second air outlet. The air conditioner comprises a shell, a first air wheel, a second air wheeland a heat exchanger, wherein an air mixing cavity, a first air duct and a second air duct are formed in the shell; the first air duct and the second air duct are used for connecting the air mixing cavity with the air inlet; the first air wheel is arranged in the first air duct; the second air wheel is arranged in the second air duct; and the heat exchanger is arranged in the shell and positionedon the upstream sides of the first air duct and the second air duct, so that air from the air inlet can enter the first air duct and the second air duct after exchanging heat with the heat exchanger.The air conditioner disclosed by the invention has the beneficial effects that the air duct heat exchanging area is large, the working performance is good, and the air supply effect is good.

The invention provides a base plate structure for an outdoor unit of an air conditioner, the outdoor unit of the air conditioner, the air conditioner and a defrosting control method for the air conditioner. The base plate structure for the outdoor unit of the air conditioner comprises an outdoor unit base plate, a base plate electric heating element and a drainage part, wherein a compressor fixing support is arranged on the outdoor unit base plate, and a condenser is installed on the outdoor unit base plate; the base plate electric heating element is arranged at the bottom of the condenser and located above the outdoor unit base plate; and the drainage part is arranged on the outdoor unit base plate and comprises at least one main drainage port, and the main drainage port is located below the base plate electric heating element. By adopting the base plate structure, when the air conditioner is heated for defrosting at a lower outdoor temperature, frost on the condenser and the outdoor unit base plate can be quickly and thoroughly thawed, and the thawed water quickly and smoothly flows out of the main drainage port, so the frost is thawed cleanly and thoroughly, the temperature of an indoor air port is improved, a good heating effect is guaranteed, and the market competitiveness of the product is improved.

The invention discloses a finned tube heat exchanger and an air conditioner which are suitable for the field of air conditioners. The finned tube heat exchanger comprises a fin assembly and a heat exchange tube assembly installed on the fin assembly in a penetrating manner. The fin assembly is provided with at least one hydrophilic region and at least one hydrophobic region. The heat exchange assembly is provided with at least one first port through which a refrigerating medium enters the hydrophilic regions for heat exchange when the finned tube heat exchanger serves as an evaporator and at least one second port through which the refrigerating medium is drained out of the hydrophobic regions for finishing heat exchange when the finned tube heat exchanger serves as the evaporator. When the finned tube heat exchanger serves as the evaporator, the refrigerating medium enters the hydrophilic regions from the first ports for heat exchange, after heat exchange is finished, the refrigerating medium is drained from the hydrophobic regions through the second ports, and therefore the good heat exchange effect of the finned tube heat exchanger in different temperature environments and different working conditions can be achieved.

The invention discloses a warm air blower control method. The method includes a step of setting automatic control by a user and a step of running automatic control, the step of setting automatic control includes comparing environment temperature, namely, when the user sets temperature, comparing a difference value between the environment temperature Tr and user-set temperature Ts with a specified upper-limit temperature value and a specified lower-limit temperature value, the step of running automatic control includes that a main controller controls a heater and an air blower to be turned on and off according to comparison results in the step of comparing environment temperature to realize different running modes. By the warm air blower control method, a warm air blower is enabled to meet real requirements of the user more timely and more accurately to realize good heating effect, and the warm air blower is enabled to automatically correct misjudgment and misoperation.

The invention provides a graphene far infrared negative oxygen ion electric heating mural. Far infrared rays and negative oxygen ions can be continuously released, a role in physical therapy and health care is effectively played for users, indoor air can be purified, and a comfortable environment is provided for the users. A graphene heating layer in the graphene far infrared negative oxygen ion electric heating mural can rapidly generate heat and improve indoor temperature after being electrified, the graphene far infrared negative oxygen ion electric heating mural can be used once turned onand is stopped once turned off, so that the heating effect is good, and the energy loss caused by conventional heating is greatly reduced; and at the same time, the mural is decorated with patterns onthe surface, is exquisite and beautiful, is suitable for indoor decoration in various occasions such as home, an office and catering service, is rich in functions and serves many purposes at one stroke.

The invention relates to a heat pump air conditioner, which comprises a compressor, an indoor heat exchanger, a gas-liquid separator, an outdoor heat exchanger, a throttling device and an injector. An inlet of the injector is communicated with one end of the indoor heat exchanger; the other end of the indoor heat exchanger is communicated with a high-pressure outlet of the compressor; a low-pressure inlet of the compressor is communicated with an upper cavity of the gas-liquid separator; an outlet of the injector is communicated with the upper cavity of the gas-liquid separator; an air suction hole of the injector is communicated with one end of the outdoor heat exchanger; and the other end of the outdoor heat exchanger is communicated with the bottom of the gas-liquid separator. When the heat pump air conditioner works at an outdoor low-temperature environment, the heat pump air conditioner uses the injector to raise pressure of low-pressure cooling medium gas entering from a low-pressure inlet of the compressor, so as to raise gas suction pressure of the compressor, and enable the compressor to be in a normal pressure range, thereby ensuring that the heat pump air conditioner can still work normally at the outdoor low-temperature environment and has favorable heating effect.

The invention relates to a method for controlling temperature of crude oil for emulsion of a rolling mill and a control device. The method comprises the steps of: arranging a heating device on the outer part of a crude oil tank; adopting a circulation heating pump arranged at the tail of the crude oil tank to transfer crude oil to a heat exchanger for heat exchange; simultaneously adopting a temperature controller on the crude oil tank to control the on and off of the heating device; and transferring crude oil to the top of the crude oil tank for outer circulation heating so as to keep the temperature of crude oil inside the crude oil tank at a preset value. A control device comprises the heating device consisting of the circulation heating pump and the heat exchanger, the temperature controller, a steam control valve, a steam trap and pipelines connecting the components, wherein the circulation heating pump is arranged at the tail of the crude oil tank, the heat exchanger is arranged on the side of the crude oil tank and the temperature controller is arranged on the crude oil tank. The invention has the advantages of good heating effect, equal crude oil temperature, high temperature-control property and precision, simple and convenient operation process, non-steam entering the crude oil and non-impact on crude oil quality.

The invention discloses an air guide plate mechanism of an air conditioner and the air conditioner. The air guide plate mechanism of the air conditioner comprises an air outlet frame, an air guide plate, at least one first driving assembly and at least one second driving assembly, wherein the first driving assembly connects the air guide plate with the air outlet frame and is used for driving the air guide plate to rotate along the upper edge of the air guide plate, and the second driving assembly connects the air guide plate with the air outlet frame and is used for driving the air guide plate to rotate along the lower edge of the air guide plate. The air guide plate mechanism of the air conditioner has the advantages that the first driving assembly and the second driving assembly are mutually matched, and then the air guide plate can rotate outwards by taking the upper edge or the lower edge of the air guide plate as the axial direction, so the effect of changing the air guide direction is realized; when the air guide plate rotates outwards by taking the upper edge of the air guide plate as the axial direction, the lower part of the air guide plate is opened, so the air direction faces downwards, the air conditioner is suitable for the heating mode, and the heating effect is better; when the air guide plate rotates outwards by taking the lower edge of the air guide plate as the axial direction, the upper part of the air guide plate is opened, so the air direction faces forwards, the air conditioner is suitable for the refrigeration mode, and the refrigeration effect is better; and the air guide angle of the air guide plate is increased, the air delivery in larger bearing is realized, and the use comfort of the air conditioner is improved.

The invention provides an air conditioner, a defrosting control method and a defrosting control system. The air conditioner comprises a compressor, an indoor heat exchanger, an outdoor heat exchanger, a four-way valve, a throttling device, a heat accumulating assembly and a stop valve, wherein the heat accumulating assembly is arranged between the four-way valve and the outdoor heat exchanger, comprises a heat accumulator, a water feeding device, an electric heating piece, a first temperature detecting device and a second temperature detecting device; and the stop valve is arranged between the four-way valve and the outdoor heat exchanger, and is connected in parallel with the heat accumulating assembly. According to the air conditioner disclosed by the invention, the heat accumulating assembly enables the air conditioner to perform defrosting under a heating mode, so that the favorable defrosting effect and the favorable heating effect are guaranteed, and the usage comfort of users is improved; when heat accumulating materials are short of water and the defrosting effect is poor, the water can be supplied by the water feeding device, and the four-way valve is switched, so that the air conditioner performs defrosting under a refrigeration mode, and the favorable defrosting effect is guaranteed; and after water supply is completed, the four-way valve is switched, so that the air conditioner performs defrosting under the heating mode, and the usage comfort of the users is improved.

The invention relates to a domestic air conditioner for improving heating comfortableness. The domestic air conditioner for improving the heating comfortableness comprises an air conditioner indoor unit shell, a compressor system, an air duct system, a heat exchanger, a centrifugal wind wheel, a main control module, an upper air outlet for air outputting and a side air inlet formed in the side face of the indoor unit shell, wherein the compressor system, the air duct system, the heat exchanger, and the centrifugal wind wheel and the main control module are located in the air conditioner indoor unit shell. The domestic air conditioner for improving the heating comfortableness further comprises an auxiliary electric heating device connected with the main control module, a cross-flow fan wheel and a lower air outlet. The lower air outlet is formed in the bottom end of the front panel of the air conditioner indoor unit shell, the cross-flow fan wheel is mounted in the bottom end of the air conditioner indoor unit shell and used for discharging airflow in the air conditioner indoor unit shell from the lower air outlet, and the auxiliary electric heating device is arranged between the lower air outlet and the cross-flow fan wheel and used for heating air flow flowing to the lower air outlet from the side air inlet. According to the domestic air conditioner for improving the heating comfortableness, the upper space and the lower space of a room are filled with hot air through upper hot air flow and lower hot air flow, the heating effect of an air conditioner indoor unit is made to be more obvious, and the using comfortableness of a user is improved.

The invention discloses a carbon fiber floor heating device. The device comprises an insulation reflecting layer arranged on a floor surface slab, wherein the insulation reflecting layer consists of a floor heating reflecting film and an insulation layer; a carbon fiber floor heating film is arranged at the upper part of an insulation layer of the insulation reflecting layer; a temperature sensor probe is arranged in the middle of the upper part of the carbon fiber floor heating film and communicates with a temperature control instrument through a temperature sensor conductor; the carbon fiber floor heating film is provided with a copper coil tape; the conductor externally connected to the copper foil tape is connected with one output voltage end of a transformer; the input voltage at the other end of the transformer is connected with a temperature control instrument inserting hole; a temperature control instrument socket is arranged at an external power supply. According to the device adopting the structure above, a carbon fiber cloth strip can be applied to an indoor floor heating device; good heating effect can be achieved; the operation is convenient and quick; the green and cleanness are achieved; the features of high energy consumption and low efficiency of the traditional heating manner can be overcome; in addition, indoor temperature can be preset under the control of the temperature control instrument; therefore, a user can use comfortable, and meanwhile, the energy waste can be reduced, and as a result, the energy consumption is reduced.

The invention provides an electrothermal film, a preparation method and application thereof, which belongs to the technical field of electrothermal films, a preparation method and an application thereof. The electrothermal film comprises a first protective layer, a heat generating layer and a second protective layer, wherein the heat generating layer is sandwiched between the first protective layer and the second protective layer, and the first protective layer and the second protective layer are made of a pre-stretched film. A method for preparing an electrothermal film comprises combining afirst protective layer and a second protective layer made of a pre-stretched film on both sides of a heating layer. The electric heating film manufactured by the preparation method is heated, the first protective layer and the second protective layer can be deformed on a three-dimensional curved surface, and can be used more closely with an article to be heated, and the heating effect is better. The electric heating film is characterized in that the first protective layer and the second protective layer are deformed on a three-dimensional curved surface.

The invention discloses a heat accumulating type heated brick bed capable of supplying hot air, which comprises a heat source body, a pebble heat accumulating bed, heated brick bed plates and a chimney, wherein the heated brick bed plates are supported on the ground by heated brick bed plate pillars; a gap between the heated brick bed plates and the pebble heat accumulating bed is a heated brick bed body smoke and fire channel; the chimney is arranged to be perpendicular to the heated brick bed plates and communicated with the heated brick bed body smoke and fire channel; the heat source body comprises a biomass hot blast furnace and a heating pipe; the biomass hot blast furnace comprises a combustion chamber of which an outer end is opened, and a smoke and fire outlet which is arranged at an inner end of the biomass hot blast furnace; the smoke and fire outlet is communicated with the heated brick bed body smoke and fire channel; a dust accumulating pool is arranged below the smoke and fire outlet; the combustion chamber is provided with a furnace door; a lower side of the furnace door is arranged on a furnace door shaft; the furnace door shaft is fixed on a lower part of the combustion chamber; a fire grate is arranged below the combustion chamber; an ash falling box is arranged below the fire grate; an upside of the combustion chamber is fixedly connected with an air feeding chamber; an air pipe is fixed at an inner end of the air feeding chamber; an inlet of the air pipe is communicated with the air feeding chamber, and an outlet of the air pipe is communicated with an inlet of the heating pipe; the heating pipe is arranged in the heated brick bed body smoke and fire channel; an outlet of the heating pipe is connected with an air discharge pipe; and an outlet of the air discharge pipe is arranged out of the heated brick bed and is led to an indoor space.

The invention discloses an atomization ejection device and an atomization ejection method for SNCR (Selective Non Catalytic Reduction) denitration. An ejection gun is placed in a high-temperature furnace flue, the ambient temperature of the ejection gun is determined by a temperature measuring device, when the flue gas temperature is between 850 DEG C and 1,100 DEG C, a starting signal is fed back to a PID (Piping and Instruments Diagram) control module through the temperature measuring device, a protective cover ejection hole is overlapped with a solution tube ejection opening, and an ejection channel is smooth; a urea solution in a liquid storage tank enters a solution tube, the ejection gun is cooled down through the urea solution, a high-pressure gas enters a high-pressure gas tube through a gas inlet and is mixed with the urea solution through a gas ejection opening, and the urea solution is ejected out through the solution tube ejection opening and the protective cover ejection hole; when the fume is deviated from the temperature range of 850-1,100 DEG C, a closure signal is fed back to the PID control module through the temperature measuring device, a hole-free area at the protective cover ejection opening end is overlapped with the solution tube ejection opening, and the ejection channel is closed up so as to prevent grains in the fume from entering the ejection opening; cooling water in a cooling water tank passes through a cooling water valve, enters the solution tube through a solution inlet, and is discharged from a solution outlet so as to ensure that the ejection gun is prevented from high-temperature damage. The atomization ejection device and the atomization ejection method are low in denitration cost, high in efficiency and safe.

The invention relates to a connector, in particular relating a pipeline heating connector. The pipeline heating connector is characterized by comprising a connector body, wherein the connector body is provided with a heating element, the exterior of the heating element is provided with a protective layer, the heating element is connected with a power wire, and the inner wall of the connector body is provided with a heat conductor. Therefore, the pipeline heating connector provided by the invention has the following beneficial effects: the pipeline heating connector is convenient to use and can be used when being switched on the power, the heating effect is good, the place requiring heating can be directly and accurately heated, the heating efficiency is high, and the heating problem of a connecting intermediate can be better solved.

The invention discloses a crushing and grinding device for wheat processing. By arranging a dust removing cavity, an air inlet pipe, a dust removing box, a heating cavity, a baffle, heating pipes, a crushing cavity, a first crushing roller, a second crushing roller, a grinding table, and a grinding disc, a first hot air blower in the air inlet pipe blows the heated air into the dust removing cavity to remove the dust in the wheat, the heated air heats and dries the wheat, the removed dust enters the dust removing box through a first connecting pipe for conducting dust removing, and the heatedair enters the heating cavity through a second connecting pipe to heat the wheat in the heating cavity; and meanwhile, the baffle is obliquely mounted in the heating cavity, the heating pipes are mounted in the baffle, the wheat entering the heating cavity can be conveniently heated, the heating effect is high, the heated and dried wheat is crushed through the first crushing roller and the secondcrushing roller, the crushed wheat particles enter between a grinding groove and the grinding disc, a rotating motor drives the grinding disc to rotate to crush and grind the wheat, the wheat grindingeffect is high, and the precision is high.

The invention relates to a rolling mill emulsifying liquid outer cyclic heating method, including the following steps: emulsifying liquid flows from a heat circulation box and flows into a heat exchanger through a circulation pump; the actual temperature data of the emulsifying liquid in the heat circulation box is acquired by a thermometer and is sent to a control processing unit; and the control processing unit sends order out. The heating device of the invention comprises a heat circulation box, a circulation pump, a heat exchanger, a thermometer, a steam control valve, a steam trap and a control processing unit. The invention has the advantages that heating effect is good, the temperature of the emulsifying liquid in the heat circulation box is even; the temperature controllability is strong, precise is high; systemic operation is stable, operation is simple; production cost is reduced; overhaul and maintenance of the device is convenient; the steam of systemic operation is not easy to enter the emulsifying liquid so as to ensure the quality of the emulsifying liquid not to be affected.

The present invention discloses a low-temperature heating system for a diesel engine. The system comprises an engine, a fuel heater, an electromagnetic valve, a coolant leakage alarm, a distribution control valve block, a temperature sensing directional valve, an oil tank heating device, and a pipe heating device. A first stop valve and a second stop valve are disposed on the fuel heater. A water outlet of the engine is divided into two passages with one being connected to the first stop valve and the other one being connected to a first water inlet of the distribution control valve block by means of the electromagnetic valve. The oil tank heating device is provided with the temperature sensing directional valve that has a control end connected with a temperature sensor. A first water outlet of the distribution control valve is connected to a temperature sensing directional valve of the oil tank heating device by means of the coolant leakage alarm. The pipe heating device is connected to an engine filter and an oil pump. The low-temperature heating system for a diesel engine effectively improves the viscosity and flowability of diesel oil at a low temperature to allow for sufficient combustion of the diesel oil, thereby ensuring that the diesel engine is started successfully and operates normally with achieved cost reduction and environmental protection.

A numerical simulation method of bevel gear dual-frequency piecewise cyclic induction heating comprise the following steps: step 1, determining model parameters; step 2, creating a geometric model; step 3, calculating intermediate frequency induction heating; step 4, calculating high-frequency induction heating; step 5, setting a dual-frequency induction heating process. The medium and high frequency dual-frequency induction heating is simulated, the APDL program is compiled by using a DO cycle for three times, the sectional cycle heating of dual frequency is realized, and the heating uniformity is improved with the increase of cycle times. The physical and technological parameters can be modified according to the actual heating conditions, and the heating cycle times and time ratios of bevel gears with different sizes and materials can be matched to achieve better heating effect.

The invention provides a heat accumulation component and an air conditioner. The heat accumulation component comprises a heat accumulator and at least one electric heating element, wherein the heat accumulator is provided with at least one fin and a cavity; the cavity is used for accommodating a heat accumulation material; the at least one electric heating element is arranged on the heat accumulator; the at least one fin is positioned at the periphery of the at least one electric heating element and is perpendicular to a cross section of the at least one electric heating element. According to the heat accumulation component provided by the invention, the condition that the heat accumulation material flows to be dispersed and further is liable to ice due to the parallelism of the fins and the cross sections of the electric heating elements is avoided; meanwhile, the phenomenon that a heat radiating effect is affected by fin deformation due to the fact that the heat accumulation material is iced and then expands is avoided, a refrigerant is effectively enabled to be uniform in heating and is subjected to sufficient heat exchange, further a good and stable defrosting effect and a heating effect are guaranteed, and the use experience of a user is improved; meanwhile, the service life of the fins is prolonged, the integral quality of the heat accumulation component is improved, and the use satisfaction degree of the user is improved.

The present invention discloses a water circulation type foundation heating device and a construction method of dewatering of a soft soil foundation using the same. The water circulation type foundation heating device comprises an electric heating furnace and a plurality of U-shaped steel pipes. The U-shaped steel pipes are driven into a soft soil foundation. A circulating water outlet and a circulating water return inlet of the electric heating furnace sequentially connect water inlets and water outlets of all the U-shaped steel pipes in series to form a water circulation loop. During construction, the water circulation type foundation heating device is combined with a vacuum preloading method; water at the later period of foundation consolidation is mainly discharged in the gaseous form; thus, dewatering and solidification of soil are accelerated, and the strength of the consolidated foundation is improved with a reduction in post-construction settlement and a good foundation treatment effect.

The invention discloses a heating type air purifier. The heating type air purifier comprises a shell. An air inlet is formed in the upper surface of the shell. Air outlets are formed in the two sides of the lower portion of the shell. A fan, a heating device, a high-efficiency filtering section, a medium-efficiency filtering section and a primary-efficiency filtering section are sequentially arranged in the shell from bottom to top. The fan right faces the air outlets. The heating type air purifier has the technical effects of being good in purifying effect and obvious in indoor heating effect.

The invention discloses a low-cost heating agent for a converter and a production method, and belongs to the field of ferrous metallurgy. The heating agent comprises the following components of, in percentage by weight, 60%-80% of industrial silicon powder, 20%-40% of AD powder, and the balance a binder and an additive, wherein the industrial silicon powder is waste generated in the photovoltaic industry and poorly recycled, and the AD powder is waste generated in the aluminum smelting production process; metallic silicon in the industrial silicon powder is used as a substance with a high heating value, the raw material of the AD powder increases the heating value and also provides a part of oxygen source needed during oxidation of the metallic silicon, and after the raw material is subjected to reasonable proportioning and ball pressing, the heating effect of the low-cost heating agent is better than that of existing similar heating agents, and a waste resource comprehensive utilization method is found; and when the low-cost heating agent for the converter is used, compared with an original siliceous heating agent and under the condition that the adding amount is the same, the temperature rising effect is better than that of the original heating agent, and the cost is obviously lower than that of the original siliceous heating agent.

The invention discloses novel kitchenware which comprises a pot, a pot cover and a spatula, wherein pot lugs are symmetrically arranged on two sides of the pot, a handle is arranged on the top of the pot cover, a notch is formed in the edge of the pot cover, and the notch fits the cross section of the spatula. A clamping piece used for being clamped on the edge of the pot is arranged on the upper middle portion of the spatula. A plastic hand grasping part is arranged on the upper portion of the spatula, wherein a small hole is formed in the middle of the plastic hand grasping part and facilitates the hanging of the spatula. Therefore, in a cooking process, the clamping piece on the spatula can be clamped on the edge of the pot, picking up and putting down of the spatula are not needed, the plastic hand grasping part of the spatula is prevented from being burned, and the spatula is prevented from sliding into soup. The arrangement of the notch in the pot cover enables sealing performance of the pot cover to be better and heating effect to be better.

The invention discloses a sodium alginate microcapsule for tumor microwave hyperthermia technology. The diameter of the microcapsule is 1-10 microns, and the shell thickness of the microcapsule is 100-1000 nm. According to the invention, the sodium alginate microcapsule is firstly applied to the technical field of tumor microwave hyperthermia, and an excellent curative effect is obtained, so that the diagnosis and treatment efficiency is greatly improved, and an excellent clinical application value is provided.

The invention discloses a working defrosting method of a variable-frequency air-conditioner. The working defrosting method provides two defrosting modes of defrosting during heating start-up and defrosting during normal working; the function of defrosting during heating start-up of the method comprises the following steps that the outdoor temperature and the coil temperature are judged before start-up is carried out, so that the situation that the heating effect is reduced due to the thickening of a frost layer caused by the fact that a heating mode is directly started is avoided, and meanwhile, an indoor evaporator is preheated, so that the air conditioner can enter a heating state faster, and the heating effect is better; and according to the method, the defrosting process during normalworking comprises the following steps that a compressor is subjected to frequency reduction treatment, after working stably, the compressor stops working, the opening degree of an electronic expansionvalve is maximum, enough time is given to balance the air pressure difference brought by airflow impact, and then a four-way valve is reversely rotated, so that the noise is reduced, and the better experience effect is given to the user.

The invention discloses an electromagnetic heating static shaft shoulder friction stir welding mechanism. The mechanism comprises a static shaft shoulder, an electromagnetic heating coil and a stirring needle; the static shaft shoulder is provided with an accommodating cavity, the stirring needle is arranged in the accommodating cavity in a penetrating mode, and the lower end of the stirring needle extends out of the lower end of the static shaft shoulder; and the electromagnetic heating coil is arranged in the accommodating cavity and is fixedly connected with the static shaft shoulder, and the electromagnetic heating coil is arranged outside the stirring needle in a wound mode and can heat the stirring needle after being electrified. According to the electromagnetic heating static shaftshoulder friction stir welding mechanism, the heating effect can be improved, and excessive heating difference of welding workpieces is avoided, so that the requirement of consistent performance of the whole weld joint is met. The invention further discloses an electromagnetic heating static shaft shoulder friction stir welding method.