59 results about "Internal heat transfer" patented technology

The invention provides an energy-saving equipment data management method and system based on a block chain. A temperature sensor and an ultrasonic detection device are arranged, building wall surface heat radiation distribution, internal heat transfer coefficient change data and a pipeline three-dimensional heat loss positioning map are collected respectively, and a dynamic thermal performance data set is constructed in combination with the block chain technology. And performing spatial overlay analysis on the heat conduction path of the wall and the heat loss point of the pipeline, and identifying spatial correlation characteristics of the two. And meanwhile, based on an encrypted energy efficiency fluctuation event record uploaded by a block chain node, dynamic collaborative optimization of a thermal buffer compensation value, a pipeline correction coefficient and an energy efficiency compensation weight is realized through timestamp matching, and finally an intelligent instruction set is generated to regulate and control energy-saving equipment in a building in real time. According to the technical scheme, the comprehensive energy efficiency of the building energy-saving equipment is remarkably improved.

The invention relates to the field of food production equipment, in particular to stirring and pulping equipment for jam processing and a stirring method thereof.The stirring and pulping equipment comprises a pulping barrel and a shaft pipe, the shaft pipe is arranged in the pulping barrel, end covers supporting the shaft pipe to rotate are fixed to the two ends of the pulping barrel, and a crushing cutter is arranged in the middle section of the shaft pipe; and an air inlet assembly communicates with an opening in the outer end of the shaft pipe, a driving piece for supporting the shaft pipe to drive the crushing cutters to rotate is fixed to the outer side of the end cover, and the shaft pipe is of a hollow circular pipe structure. The mounting cover, the side pipe and the cutter body of the crushing cutter form an air passage, air is directly sprayed into materials through air holes densely distributed in the cutter body, a heat transfer path is shorter, jam can be directly contacted, processing heat can be rapidly taken away, and a booster fan structure can be formed without an additional driving part; integrated arrangement of pulping and cooling on the cutter body is achieved, energy consumption is reduced, and the equipment structure is simplified.

The invention relates to the technical field of heat exchanger design, and provides a supercritical LNG heat exchanger design method and system.The method comprises the steps that A, a wing-shaped fin spoiler is adopted to be installed in a PCHE channel, an internal spoiler structure matched with the channel is formed, and the heat transfer performance of a supercritical LNG mixed working medium is enhanced; b, by adjusting the heat transfer process of the mixed working medium in the channel, the heat transfer performance and the flow resistance of the mixed working medium in the channel of the PCHE are balanced; c, regulating and controlling operable parameters through a multi-objective numerical optimization technology so as to balance the channel internal heat transfer performance and flow energy consumption of the PCHE; wherein the operable parameters are used for directly regulating and controlling the heat transfer and flow process in the PCHE channel. According to the invention, the average wall temperature can be reduced by 2.24% through the wing-shaped fin structure, and the increase of the pressure drop in the PCHE channel is controllable.

The invention relates to a loop fixed bed reactor system, and relates to the technical field of chemical engineering, the loop fixed bed reactor system comprises a plurality of groups of primary loop reactors and a plurality of groups of secondary loop reactors, the primary loop reactors and the secondary loop reactors have the same structure, and the primary loop reactors and the secondary loop reactors are connected in series through reactor outlet pipelines; each primary loop reactor comprises a fixed bed reaction unit, a circulating pump and an external heat exchanger, the fixed bed reaction unit, the circulating pump, the external heat exchanger, an external heat exchanger inlet pipeline and the circulating pipeline assembly are communicated, and two or more groups of primary loop reactors and secondary loop reactors are connected in series through reactor outlet pipelines; through a forced circulation flow mechanism driven by the venturi gas-liquid mixer and the circulating pump, the problems of mixing mass transfer efficiency, internal heat transfer and retention time of a traditional fixed bed reactor are fundamentally solved, and exponential improvement of the mixing effect and the heat transfer effect is achieved through rapid circulation of the circulating pump and the venturi gas-liquid mixer.

The utility model relates to the technical field of cables, and discloses a high-strength copper-core silver-plated special high-temperature cable, which comprises a conductor and further comprises a conductor shielding layer arranged on the outer side of the conductor, an insulating layer arranged on the outer side of the conductor shielding layer, and an insulating shielding layer arranged on the outer side of the insulating layer. The inner protection layer is arranged on the outer side of the insulation shielding layer, and an outer protection layer is arranged on the outer side of the inner protection layer; according to the utility model, fluoroplastic (such as PTFE and FEP) is used as the insulating layer, the long-term tolerable temperature can reach more than 200 DEG C, the chemical corrosion resistance is strong, the high-temperature resistance of the cable is improved, the high-temperature-resistant metal braid layer (such as tinned copper) is used as the outer layer to reinforce mechanical protection, the flexible silica gel is used as the inner layer to improve the bending resistance, and the service life of the cable is prolonged. Corrugated grooves are designed in the inner wall of the protective sleeve, so that the heat dissipation area can be increased; the heat conduction filling material boron nitride filling material is embedded in the protection sleeve so that internal heat conduction efficiency can be enhanced and heat radiation efficiency in the cable can be enhanced.

The utility model discloses a microwave hot air coupling heating device. The microwave hot air coupling heating device comprises a box body, a conveying mechanism, a microwave heating mechanism and a hot air heating mechanism, the box body is provided with a feeding hole and a discharging hole; the conveying mechanism is installed in the box body and is configured to convey materials entering the box body from the feeding port to the discharging port to be discharged. The microwave heating mechanism is communicated with the box body and is used for emitting microwaves into the box body; the hot air heating mechanism communicates with the box body and is used for conveying hot air into the box body. According to the microwave hot air coupling heating device, the inside and the outside of the asphalt reclaimed material are simultaneously heated and dehumidified, so that the heating quality of the asphalt reclaimed material is ensured, the mass heat transfer efficiency in the asphalt reclaimed material is improved, and the problems of edge overheating effect and thermal runaway are avoided.

The invention provides a composite pole piece, a preparation method thereof and a secondary battery. The composite pole piece comprises a current collector and a coating arranged on the surface of at least one side of the current collector, the coating is an alloy coating, and the preparation process of the composite pole piece comprises the following steps: sequentially smelting and cooling raw materials containing a nickel source, a titanium source, a molybdenum source, an aluminum source and a carbon source to obtain a first product; performing heat treatment on the first product to obtain a second product; carrying out atomization treatment on the second product to obtain a powdery third product; and coating at least one side surface of a current collector with the third product to form an alloy coating so as to obtain the composite pole piece. According to the invention, the functional shape memory alloy (SMA) is coated on the current collector as the thermal response coating, so that the purpose of adjusting the gap between the pole pieces in real time according to the temperature change is achieved, and the technical effects of optimizing the heat transfer path in the battery cell, reducing the risk of thermal runaway and improving the overall safety of the battery are achieved.

The utility model discloses a main load-bearing heat preservation unit for a polyimide film production line and a casting machine heat preservation box body formed by the main load-bearing heat preservation unit, the main load-bearing heat preservation unit comprises a main supporting frame body, the main supporting frame body comprises an outer-layer frame body, an inner-layer frame body and a main supporting frame connecting the inner-layer frame body and the outer-layer frame body, and the outer-layer frame body and / or the inner-layer frame body are / is composed of an outer sealing plate, a heat preservation plate and an inner sealing plate. And a hollow cavity structure is integrally formed. According to the main bearing heat preservation unit, a two-stage broken bridge heat insulation mode is adopted, and a cavity formed by plates is filled with heat preservation cotton, so that the inner side and the outer side of a wall plate of the box body are not in direct contact, the box body is divided into at least two different temperature sections, and internal heat is prevented from being transmitted to the outside to cause overheating of the outer surface of the box body; the inner-layer plate and the outer-layer plate simultaneously adopt an interlayer heat insulation mode containing a heat preservation layer, double-pole heat insulation is achieved, the overall mechanical property is better, cost is lower, and operation, installation and replacement are faster and more convenient.

The embodiment of the application provides a spiral pipe heat exchanger performance test method and system based on sensor data, relates to the technical field of heat exchanger performance test, and comprises the following steps: when the spiral pipe heat exchanger is in a normal running state, a disturbance signal that does not affect a production process is applied to a thermal fluid control parameter of the spiral pipe heat exchanger; temperature, pressure and flow data of fluid at an inlet and an outlet of the spiral pipe heat exchanger are synchronously collected; correlation analysis is performed on the disturbance signal and the temperature, pressure and flow data of the fluid, so that characteristic parameters of internal heat transfer and fluid flow instantaneous efficiency of the spiral pipe heat exchanger are obtained; according to the characteristic parameters and a preset thermodynamic model, contribution proportions of dirt in a thermal fluid channel and a cold fluid channel of the spiral pipe heat exchanger to heat exchange performance reduction are obtained; and according to the contribution proportions, an operation adjustment suggestion of the spiral pipe heat exchanger is generated. The application can prolong the service life of equipment and improve production efficiency and safety.

The embodiment of the invention discloses a battery thermal runaway and aging risk early warning method based on a battery digital twin model. One specific embodiment of the method comprises the following steps: acquiring operation state parameter information and environment parameter information of an energy storage battery; constructing and calibrating a battery digital twinborn model; based on the electrochemical sub-model, simulating electrochemical reaction and side reaction processes in the charging and discharging process of the battery; simulating an internal heat transfer process of the battery based on the operation state parameter information, the environment parameter information, the heat production quantity information and the heat conduction sub-model; based on the side reaction rate information, the battery internal temperature distribution information, the environmental parameter information and the gas generation and transmission sub-model, battery internal air pressure simulation processing is carried out; generating residual service life information of the battery; and executing battery thermal runaway and aging risk early warning based on the internal pressure distribution information, the battery internal temperature distribution information, the potential distribution information and the battery use residual life information. According to the embodiment, waste of early warning resources is reduced.

Valves that include a hollow valve stem with an internal heat transfer fluid that naturally circulates within the stem acts as a heat pipe to the valve bonnet to prevent fluid within the valve from freezing. This approach protects the valve body, stem, bonnet and sealing material such as valve packing or a bellows from being damaged by frozen fluid at any location within the valve.

The application provides a kind of energy storage battery thermal management unit, thermal management system and thermal management method, including the battery cell group consisting of multiple battery cells, internal heat transfer module, semiconductor thermoelectric sheet, external heat dissipation module, electronic control module and box, battery cell group, internal heat transfer module and electronic control module are all arranged in the box, external heat dissipation module is arranged outside the box, internal heat transfer module is in contact with battery cell, one side of semiconductor thermoelectric sheet is connected with internal heat transfer module, the other side is connected with external heat dissipation module.The beneficial effects of the present application are that a thermal management unit with reasonable structure and high stability is provided, which uses the combination of semiconductor thermoelectric sheet and thermal superconducting technology to exchange heat with battery cells, and then uses the external heat dissipation module to exchange heat with the semiconductor thermoelectric sheet, isolates the external heat dissipation module from the battery cells, ensures the heat exchange effect of the system, reduces the influence of the external heat dissipation module on the battery cells, and guarantees the safety and reliability of the system.

The invention discloses a device and a method for measuring internal heat transfer of an ablative material. The device comprises a flexible metal foil (1), a plurality of temperature sensors (2) arranged at intervals along the width direction of the metal foil (1), and an insulating layer (3) covering the metal foil (1) and the temperature sensors (2). The metal foil (1) is curled into a cylinder, a sensing point of the sensor (2) is located outside the cylinder, the cylinder is filled with the ablative material (4), and the whole body is embedded into a measuring hole of the ablative material body (5). The method comprises the steps of forming the measuring hole, arranging the sensor on the metal foil, performing insulation treatment, performing curl welding, filling the ablative material, performing embedded installation and the like. According to the invention, in-situ accurate measurement of longitudinal temperature distribution of the ablative layer is realized with minimum interference, and the problem of measurement of internal heat transfer of the ablative material is solved.

The utility model discloses a vacuum drier capable of low-temperature outer furnace heating, and particularly relates to the field of vacuum dryers, the vacuum drier comprises a shell, the front end of the shell is fixedly connected with a low-temperature heating mechanism, the low-temperature heating mechanism comprises a protection box, the upper part of one side of the protection box is fixedly connected with a reinforcing plate, and the upper part of the other side of the protection box is fixedly connected with the reinforcing plate. And the middle part of the protection box is fixedly connected with a box body. A user pulls out a plug column from a liquid inlet in a liquid inlet pipe, the user pours heat conduction oil into the liquid inlet and enters an oil storage tank of a protection box, the two sides of a connecting plate are placed in sliding groove plates, meanwhile, the plug column is inserted into the liquid inlet in the liquid inlet pipe to be pressed, and open grooves in the two sides of the connecting plate correspond to threaded grooves; and finally, the threaded column is rotated into the threaded groove to penetrate through the interior of the open groove, a power source in the control box is started to start the heating assembly, heat conduction is conducted through internal heat conduction oil, heat preservation and heating can be better conducted on the materials, external low-temperature heating and heat preservation can be achieved, and limitation is reduced.

This invention discloses a pipeline heating and insulation system and its usage method in extremely low temperature environments. The system includes a heating component, an internal insulation component, and an external waterproof component. By adopting an integrated structure that combines heating, insulation, and waterproofing, it not only achieves efficient control of pipe temperature and can more effectively cope with application environments with sudden temperature drops in polar regions, but also greatly improves the pipeline's resistance to water environments. During use, the waterproof component prevents external water from entering the device. Subsequently, the heating component generates heat by measuring and controlling the pipe wall temperature to maintain the pipe wall temperature within a safe range. Then, a low thermal conductivity nano-aerogel layer blocks internal heat transfer, greatly increasing the retention time of internal heat and thus improving the utilization rate of the heat generated by the heating component. In addition, by setting a heating wire winding tool, the uniformity of winding and construction efficiency are effectively improved, and the winding process is standardized.

The present invention discloses an oral cooling device (1000) for a user to control local cooling within the oral cavity. The oral cooling device comprises a distal region (100) placed in the oral cavity, a heat-transfer permeable outer layer (110), a proximal region (200) grasped by the user, a heat-transfer limiting outer layer (220), an internal heat transfer element (300), and an internal heat buffer (250). During use, heat is transferred from the oral cavity to the internal heat buffer (250) via the heat-collecting region (310) and heat-dissipating region (311) of the internal heat transfer element (300).

This invention relates to the field of phase change energy storage materials technology, specifically to a high-energy-storage composite phase change material for low-temperature applications and its preparation method. Addressing the problems of high supercooling, slow crystallization rate, and poor heat transfer performance in existing low-temperature phase change materials, this invention uses a glycylglycine aqueous system as the high-energy-storage matrix, introduces organic sugar alcohols as phase change temperature regulators, and constructs heterogeneous nucleation sites by adding inorganic nanoparticles. These nanoparticles significantly reduce the nucleation energy barrier of the system, effectively suppressing supercooling and improving the internal heat transfer efficiency of the material. The material obtained by this invention crystallizes rapidly and releases heat efficiently, making it widely applicable in cold chain logistics and food preservation.

The invention relates to the technical field of industrial silicon production, in particular to an efficient water vibration cooling method in industrial silicon production. Comprising the following steps: injecting a high-temperature silicon melt into a mold with a cooling water channel; applying multi-direction mechanical vibration to the mold, wherein the vibration direction comprises composite vibration in the vertical direction and the horizontal direction; circulating cooling water is synchronously injected into a cooling water channel of the mold, and the water flow direction and the vibration direction form a synergistic effect; the vibration frequency is controlled to be 1-500 Hz, the amplitude is controlled to be 0.1-5 mm, and the cooling water flow is controlled to be 10-200 L / min; heat transfer in the silicon melt is accelerated through the synergistic effect of vibration and cooling water, and the cooling time is shortened by more than 30%. The invention provides an efficient cooling method capable of realizing a multi-physical field synergistic effect and dynamically regulating and controlling process parameters so as to break through the cooling efficiency and quality bottlenecks in industrial silicon production.

The application relates to the technical field of wind power generation, in particular to a wind turbine element temperature adjusting method, device, equipment and program product. The method comprises the following steps: obtaining an expected temperature change curve of a target element in a wind turbine; generating a control signal based on the expected temperature change curve and a preset control law, wherein the control law is established according to a temperature response model of the target element and a sliding mode control strategy, the temperature response model comprises a time delay variable reflecting internal heat transfer delay of the target element, and the sliding mode control strategy constrains the boundary of temperature adjustment error through a preset performance function; and sending the control signal to a temperature control element to adjust the temperature of the target element. The technical scheme provided by the application can realize accurate adjustment of the temperature of the wind turbine element.

The present application relates to the field of food production equipment, and more particularly to a stirring and pulping device for jam processing and a stirring method thereof, comprising a pulping cylinder and a shaft pipe, the shaft pipe is built in the pulping cylinder, end covers are fixed at both ends of the pulping cylinder to support the rotation of the shaft pipe, a crushing knife is arranged in the middle section of the shaft pipe, an air inlet assembly is connected to the opening at the outer end of the shaft pipe, a driving element is fixed to the outer side of the end cover to support the rotation of the crushing knife, and the shaft pipe is a hollow circular pipe structure. The mounting cover, side pipe and knife body of the crushing knife form a gas passage, the material inside is directly sprayed through the gas holes densely arranged on the knife body, the heat transfer path is shorter, the jam can be directly contacted and the processing heat can be quickly taken away, a supercharged fan structure can be formed without additional driving elements, the outside air is purified through a filter screen and then sent into the hollow shaft pipe, the pulping and cooling on the knife body are integrally arranged, the energy consumption is reduced and the equipment structure is simplified.

1. Name of the product in this design: Chair (Internal Heat Transmission Energy). 2. Purpose of this design: A chair for health and wellness purposes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to compressor waste heat recovery technical field discloses a kind of waste heat recovery devices for compressor, including base, the upper surface of the base is fixedly connected with compressor body, the inside of the compressor body is provided with exhaust pipe, the upper surface of the base is fixedly connected with heat preservation box, the upper surface of the heat preservation box is provided with recovery tank, the inside of the recovery tank is provided with air inlet pipe and exhaust cover, the inside of the recovery tank is provided with feed pipe and discharge pipe, the inside of the recovery tank is fixedly connected with gas delivery pipe, the inside of the gas delivery pipe is provided with spiral pipe, the inside of the recovery tank can be detachably mounted fan.The utility model is in, by the cooperation between recovery tank, air inlet pipe, exhaust cover, feed pipe, discharge pipe, gas delivery pipe, spiral pipe, heat preservation box and control component, the flow of internal heat transfer medium is adjusted following the heat conversion situation inside recovery tank, simultaneously using fan, gas is guided.

The utility model provides an air-cooling heat exchanger of a cooling tower, and relates to the technical field of heat exchange equipment. Comprising a heat exchanger core body which comprises an upper tube plate, a lower tube plate and a plurality of flying wing type finned tubes; the flying wing type finned tube is a flat tube, and flying wing type fins are arranged on two opposite wide surfaces of the flying wing type finned tube; the multiple flying wing type finned tubes are arranged between the upper tube plate and the lower tube plate in parallel. And an upper pipe cap and a lower pipe cap. According to the heat exchanger core body, the flat-tube-shaped flying wing type finned tubes are adopted as the heat exchange tubes and are used for cooling the triangular units, so that cold air can continuously flow towards the axis of a tower after being input into the heat exchanger core body of the heat exchanger, baffling is reduced, the operation wind resistance of the cold air is effectively reduced, and the heat exchange efficiency is improved. The overall cold input is increased, and the heat exchange efficiency is improved; the fluid pipelines and the flying wing type fins of the flying wing type finned tube are integrally formed, the internal heat transfer capacity is maximized, meanwhile, the overall structural strength of the flying wing type finned tube is enhanced, and the heat exchange efficiency is further improved.

The long-sleeve T-shirt with the self-heating structure comprises a plurality of clothes cloth pieces which are connected in a sewing mode and form a main body frame of the clothes, and each cloth piece of the clothes internally comprises an inner surface layer, a heating fiber layer, a heat storage fiber layer, a carbon felt grinding layer and an outer surface layer. The multiple layers of materials form a cloth structure in a composite mode, heat preservation and temperature control are carried out in a heat transfer mode, and in the actual application process, the inner surface layer, the heating fiber layer, the heat storage fiber layer, the carbon felt grinding layer and the outer surface layer which are sequentially arranged jointly form a temperature control system with the internal heat transfer function, the moderate heat heating and heat preservation function and the external heat insulation function. Compared with the prior art, the long-sleeve T-shirt with the self-heating structure has the advantages that the long-sleeve T-shirt fits the human body, the warm keeping effect is better, the structure of the long-sleeve T-shirt with the self-heating structure can be effectively optimized, and human health is guaranteed.

The utility model discloses a heat insulation device for reducing heat transfer loss in an absorption heat exchanger, which comprises the absorption heat exchanger, heat insulation layers are arranged between a generator and a condenser of the absorption heat exchanger and between the generator and an evaporator, the height of each heat insulation layer is 30mm, and the surface of a steel plate in each heat insulation layer needs to be aluminized. The aluminized film formed on the surface of the steel plate can reduce the radiation heat transfer amount. A vacuum diaphragm valve is mounted on each heat insulation layer, and after the absorption heat exchanger is produced and manufactured and before the absorption heat exchanger runs, air in the heat insulation layers is pumped out through a vacuum pump, so that a vacuum heat insulation layer is formed. The vacuum heat insulation layer can prevent a high-temperature generator in the absorption type heat exchanger from transferring heat to a low-temperature condenser and a low-temperature evaporator.

The invention discloses a liquid storage and bypass air conditioning system and a control method. The air conditioning system comprises a compressor, a four-way reversing valve, an outdoor heat exchanger, an electronic expansion valve, a gas-liquid separator of an integrated high-pressure liquid storage device, an indoor heat exchanger and nine electromagnetic valves. When an air conditioning system operates in different modes or under different working conditions, the optimal refrigerant charge quantity needed by the system is different, and under the extreme working condition, the system performance is severely attenuated. According to the liquid storage and bypass air conditioning system and the control method, the refrigerant circulation amount of the system in operation under different working conditions of refrigeration and heating dual modes can be autonomously regulated and controlled, it is guaranteed that the circulation amount of each mode under each working condition is better, the area of a heat transfer deterioration area in an evaporator can be reduced through the gas bypass technology, and the heat transfer efficiency is improved. The heat exchange performance of the evaporator side is improved, the performance of the air conditioning system is not attenuated and is improved under the variable mode and variable working condition comprehensively, and particularly, the improvement is more obvious under the high-temperature refrigeration working condition.

The present invention discloses an oral cooling device (1000) for user controlled local cooling of the oral cavity. It includes a distal region (100), adapted for placement within the oral cavity and carrying a heat transfer permeable outer layer (110), a proximal region (200), adapted for being gripped by the user and carrying a heat transfer restrictive outer layer (220), an internal heat transfer element (300) and an internal heat buffer (250). Upon use, heat is transferred from the oral cavity to the internal heat buffer (250) via a heat collecting region (310) and a heat emitting region (311) of the internal heat transfer element (300). Respectfully submitted,

The invention relates to a measuring apparatus comprising a probe (12) having a part (12a) that can be immersed in a reaction medium, which part is equipped with a member (15) for heating a first area (15a) of the probe (12) in which a first temperature-measuring member (16) is placed. A second temperature-measuring member (17) is placed in a second area (15b) of the probe (12) at a distance (D1) from the first area (15a). The first measuring member (16) and the second measuring member (17) deliver the value of a temperature difference between the first area (15a) and the second area (15b) of the probe (2) to a unit (13) for identifying the value of an internal heat-transfer coefficient of the reaction medium based on the temperature difference.

The invention discloses a method and a system for measuring the internal heat transfer coefficient of a turbine blade based on a phosphorescence temperature measurement technology. The method comprises the following steps: S1, preparing a modeled turbine blade internal flow channel geometric structure test piece; s2, placing the test piece in an airflow channel simulating the working environment of the turbine, applying a stable thermal boundary condition to the test piece through a heating device, and recording the temperature of a mainstream fluid at the same time; s3, performing global excitation on the phosphorescence coating on the inner wall of the test piece after the thermal boundary condition is stabilized by using an ultraviolet excitation light source, collecting a phosphorescence attenuation signal, and obtaining a three-dimensional temperature field of the inner wall of the test piece based on the phosphorescence attenuation signal; s4, establishing a three-dimensional heat conduction model based on the three-dimensional temperature field, and solving local heat flux density based on the three-dimensional heat conduction model; and S5, based on the Newton's law of cooling, the heat exchange coefficient of the inner wall of the test piece is calculated in combination with the mainstream fluid temperature and the local heat flow density.

The present invention relates to an ionization device comprising: an ionization chamber (2); a sample nozzle (60) for allowing a liquid sample to flow into the ionization chamber (2); an auxiliary gas flow path (61) for supplying an auxiliary gas for promoting desolvation of the liquid sample into the ionization chamber (2); a heater (62) disposed inside the auxiliary gas flow path (61); and a heat transfer component (64) disposed inside the auxiliary gas flow path (61) in contact with the heater (62). The heat transfer component (64) can be disposed inside the heater (62) formed by spirally winding a heating wire, and between the heater (62) and the inner wall surface of the auxiliary gas flow path (61).