32results about How to "Increase the heating area" patented technology

This invention discloses a high-purity hydrogen production device, comprising: an evaporation module, a reforming module, and a purification module; the temperature of the medium within the evaporation module, reforming module, and purification module gradually increases, and heat from the high-temperature module can be transferred to the low-temperature module; the evaporation module has multiple heat exchange plates, and a partition is provided between adjacent heat exchange plates, dividing the space between adjacent heat exchange plates into a preheating space and an inflow space; the reforming module has several reforming channel groups, which are connected to the evaporation module by a gradually narrowing channel; the purification module has purification channels, and several hydrogen permeable membranes are provided within the purification channels; the purification channels are connected to the reforming channel groups; the purification module passes sequentially through the reforming module and the evaporation module, so that the purification channels can transfer heat with the reforming module and the evaporation module. This allows for thermal coupling between multiple modules, enabling gradient energy utilization and solving the problems of uneven heating within the reforming reaction chamber.

The utility model relates to the technical field of freeze drying, and disclose a freeze -drying pet dairy product freeze -drying equipment, include: freezer body, lift structure, lift structure includes support frame and tray, and the both sides inner wall of freezer body all fixed mounting support frame, and the tray is placed on the support frame, collection structure, collection structure includes first guide plate, second guide plate and collection part, and first guide plate and second guide plate are fixedly installed with the support frame of freezer body both sides respectively, and the second guide plate forms a blanking channel between, and the collection part is detachably installed in the freezer body and is located blanking channel directly below, and the water and impurity that tray falls are guided to blanking channel through the first guide plate and second guide plate of inclination, and the impurity and water enter the collection part in blanking channel and are collected centrally, avoid the debris in upper layer material and water drop to the material on the tray below, guarantee every piece tray material on not mutual pollution.

The utility model relates to the technical field of cloth production, in particular to a drying device for cloth processing. Comprising a drying box, an L-shaped moving plate, a shell, a first heat supply mechanism and two limiting roller mechanisms, and penetrating holes are formed in the two ends of the drying box; the front end of the drying box is open; a linear driving mechanism for driving the L-shaped moving plate to move is mounted on the drying box; the shell is connected with the inner wall of the L-shaped moving plate, the side, away from the L-shaped moving plate, of the shell is provided with an opening, and a snake-shaped airflow channel is formed in the shell; the first heat supply mechanism is used for conveying hot air into the airflow channel; the two limiting roller mechanisms are installed at the two ends of the rear side of the drying box correspondingly, each limiting roller mechanism comprises a plurality of transverse rods and a plurality of transmission rollers, the transverse rods are installed on the drying box side by side, and the transmission rollers are rotationally installed on the transverse rods correspondingly. The drying device has the advantage of being high in drying efficiency, and the utilization efficiency of energy can be greatly improved.

This utility model relates to the field of heating equipment technology, and in particular to a clamp-on suspended heater, comprising a housing having a mounting cavity and a ventilation duct communicating with the mounting cavity, and a drainage hole on the outer wall of the housing; a suspension assembly mounted on the outer wall of the housing for suspending the housing; a heating assembly mounted within the mounting cavity; a ventilation assembly mounted within the mounting cavity with its outlet facing the heating assembly; and a control assembly mounted within the mounting cavity and electrically connected to the heating assembly and the ventilation assembly. This utility model facilitates quick fixing of the heater in a suitable position and reduces the impact of humid environments on the electrical circuitry.

This invention relates to the field of thermistor sensor technology, and particularly to a thermistor sensor with a ceramic support and a fuse, and its manufacturing method. The sensor includes a fixed base, a ceramic support mounted on the fixed base, a fuse and a thermistor respectively installed within the ceramic support, a thermally conductive ceramic plate on top of the ceramic support, a temperature-sensing aluminum cap on the top of the ceramic support, and multiple protective components at the bottom of the fixed base. A movable ring is fixedly connected to the bottom of each protective component, and a sealing component is located within the movable ring. By incorporating the ceramic support, fuse, and thermistor, the sensor features a ceramic support with strong insulation and anti-aging properties, enabling stable operation at high temperatures. The ceramic support and thermally conductive ceramic plate encase the thermistor, providing excellent heat transfer performance, resulting in a wider heating area and more accurate and rapid response, thus enabling a wider range of applications for the thermistor sensor.

The utility model relates to electronic atomization technical field, concretely is a kind of novel heating body structure.A kind of novel heating body structure, including heating pipe and heating element, the heating element has heating part and lead part, the heating pipe outer wall is equipped with accommodating cavity, the heating part is placed in the accommodating cavity, the accommodating cavity inside is filled with heat-conducting insulating material, the heating element uses independent control scheme.The utility model can reduce the influence of heating pipe base material on heating efficiency, with the advantages of compact structure, easy to assemble, simplify production process.Meanwhile, each heating element can work independently, so that the heating pipe circumferential side each heating area can be controlled respectively, improve the flexibility of use.

The utility model discloses a kind of drying device, it includes box and gas storage tank, gas diffusion plate and heating element from top to bottom being arranged in the inside of the box, the top of the box is provided with several air inlet holes, bottom is provided with several air outlet holes, the bottom of the gas storage tank is provided with several first diffusion holes, the gas diffusion plate is provided with several second diffusion holes, gas is entered into the gas storage tank from the air inlet hole and sequentially diffused to the heating element on the first diffusion hole, second diffusion hole heating, heated gas is blown out through the air outlet hole. The utility model improves the uniformity of gas distribution, so that gas heating is more sufficient, uniform, can guarantee the uniformity of product drying, can avoid the phenomenon of local overheating, so as to guarantee the drying quality of product.

The application provides a novel natural gas melting furnace, which comprises a furnace body, the top of the furnace body is connected with an environmental protection pipeline, and the bottom is provided with a discharge port; a heating mechanism, the heating mechanism comprises burners which are installed on the inner wall of the furnace body and are arranged in a circumferential direction; the input end of the burner penetrates through the furnace body and is connected with external natural gas and combustion-supporting gas respectively; a grate mechanism, the grate mechanism is located above the heating mechanism and comprises a plurality of parallel grate pipes; the two ends of the grate pipe penetrate through the side wall of the furnace body and are internally provided with hollow water channels; the plurality of grate pipes are arranged in a special shape, which is used for increasing the contact area of the support surface and the fire source. According to the technical scheme provided by the embodiment of the application, the independent grate pipes are installed in the interior of the furnace body, so that the grate pipes can form support planes in various shapes such as wave shape, triangle, U shape and trapezoid, thereby effectively increasing the heating area and improving the smelting efficiency of the ore.

This invention relates to the field of cooking equipment technology, and more particularly to a spherical cooking equipment with distributed steam control. The technical solution includes a central interlayer fixedly installed on the outer wall of the spherical cooker. An air inlet branch pipe connects the air inlet end to the central interlayer. A first and second heat-expanding pipe, connected to the central interlayer, are fixedly installed on the inner wall of the spherical cooker. Both the first and second heat-expanding pipes adopt a conical vortex structure and are attached to the inner wall of the spherical cooker. This invention increases the heating area of ​​the material through the first and second heat-expanding pipes. Furthermore, the inclined arrangement of the first and second heat-expanding pipes generates an oblique force along the spherical surface on the material near the air inlet and outlet ends during rotation. This forcefully pushes the material in the low-speed zone towards the center and upper part of the spherical cooker, allowing material that was not originally turning to enter the high-speed turning zone, thus compensating for the deficiencies of insufficient linear velocity and weak turning near the rotating shaft.

The utility model belongs to the technical field of engines, and discloses an oil pan assembly which comprises an oil pan body, a heating part and an oil stirring assembly, an oil containing cavity is formed in the oil pan body, and the heating part is located in the oil containing cavity and used for heating engine oil in the oil containing cavity. The oil stirring assembly comprises stirring blades located in the oil containing cavity and a driving part located outside the oil pan body, and an output shaft of the driving part extends into the oil containing cavity and is connected to the stirring blades, so that the driving part can drive the stirring blades to rotate so as to stir engine oil in the oil containing cavity; according to the engine oil preheating device, the heating piece heats engine oil in the oil containing cavity, meanwhile, the output shaft of the driving piece drives the stirring blade to rotate, so that the stirring blade stirs the engine oil in the oil containing cavity, the engine oil in the oil containing cavity is heated more uniformly, the engine oil preheating efficiency is improved, and the engine oil preheating time is shortened.

The utility model relates to a kind of drying device for chelating agent, belong to chelating agent drying technical field.Dry cylinder is arranged between left side support plate and right side support plate, the outside of left side support plate is provided with rotating structure, heating structure is provided on right side support plate, vibration filtering structure is provided on bottom support.The utility model has the beneficial effect that:the heating rod in the patent is distributed in multiple positions in chelating agent, thereby increasing the heating area of chelating agent, improving the efficiency of heating drying, solve the problem that heating plate in prior art is located in the side of material cylinder, leading to the drying efficiency of chelating agent is not high, when cylinder rotates, heating structure is in stationary state, solve the problem that heating plate in prior art swings, the wire on heating plate also swings and leads to easy to fall off, improve the stability of device, filter chelating agent after drying by vibration filtering structure, improve the quality of chelating agent.

This utility model discloses an electric heating tube capable of rapid heating, comprising a mounting plate, a fixing plate below the mounting plate, and an electric heating tube body mounted on the lower end of the fixing plate. The electric heating tube body contains two heat-conducting inner liners and two spiral heating wires, the lower ends of which are fixed together by bent heating wires. The outer wall of the electric heating tube body has multiple outer cylinders, each with an inner cylinder fixedly connected to its inner wall. Each inner cylinder has a heat sink fixedly connected to its outer wall. An mounting block is fixedly connected to the upper end of the fixing plate. The device incorporates a guide rod, a sliding plate, and a spring, among other structures. The electric heating tube is installed and fixed by engaging the limiting block into a limiting groove. This method allows for convenient and simple assembly and disassembly of the electric heating tube without the need for external tools.

The utility model discloses a controllable temperature iron oxide powder mixing device, including the mixing box, the bottom middle outside of mixing box is provided with a conical groove, and the periphery of this conical groove is provided with a plurality of annular grooves correspondingly, and the periphery of a plurality of annular grooves is provided with the same center, and the annular groove is provided with the same center with the conical groove in the middle, and the vertical section of annular groove is conical shape, and the vertical section of the annular groove and the conical groove in the middle forms the continuous wavy shape. The bottom middle of the device of mixing box is provided with the conical groove, and the outside is provided with the annular groove, and the position corresponding mixing plate is provided on the rotating screen plate, and the rotating screen plate drives the mixing plate to rotate in the conical groove and the annular groove, and then mixes the powder, increases the hot area, and improves the mixing effect.

The utility model discloses a kind of injection molding mechanisms of no moulding line, it is related to plastic product injection molding technical field, including base, heating tank, conveying outer tube, upper movable die and lower fixed die, the lower fixed die is fixedly connected on base in the base upper end, the lower fixed die below is provided with lifting plate, lifting plate upper end is fixedly connected with left and right two fixed columns, wherein fixed column is inserted in base and lower fixed die, lower fixed die upper end inner wall is provided with lower parting surface, lower fixed die upper end is provided with clamping groove, wherein upper and lower parting surface are slope structure, by mirror surface polishing and nanometer coating treatment, realize submicron level zero gap sealing when moulding, block melt overflow passage, eliminate the moulding line of moulding line produced by the problem of parting surface from root cause of traditional mould, forming piece precision, smoothness is high, and slope design makes upper movable die and lower fixed die can be automatically aligned and attached when moulding, without complex positioning mechanism, simplify mould structure, reduce the risk of positioning error to moulding line.

This utility model relates to the technical field of drying equipment, and discloses a drying device for ABS modified granules, including a shell. A fixed cylinder is fixedly connected to the top of the shell, and a storage hopper is fixedly connected to the top of the fixed cylinder. An anti-clogging mechanism is provided on the outside of the storage hopper. A fixed frame is fixedly connected to the outside of the shell, and a screening mechanism is provided on the outside of the fixed frame. The screening mechanism includes a sliding block, which is slidably connected to the outside of the fixed frame. A transmission rod is rotatably connected to the outside of the sliding block, and a rotating plate is rotatably connected to the top of the transmission rod. In this utility model, the transmission rod drives the rotating plate and the screen to swing synchronously in a fan shape, causing the material particles to continuously shake and jump on the multi-layer plate and screen. During this movement, the hot air generated by the hot air blower can fully penetrate the gaps between the materials, expand the heating area, and improve the drying speed and uniformity.

The utility model discloses a novel automobile rear -view mirror anti -fog defrosting heating piece, including insulating layer, temperature control electric heating structure, non temperature control electric heating structure, double -sided adhesive layer, temperature control module and feed terminal. Temperature control electric heating structure and non temperature control electric heating structure staggered meanders, laminated in one side of insulating layer, and through double -sided adhesive layer and rear -view mirror adhesion. Temperature control module and feed terminal rivet pressure in the other side of insulating layer, and temperature control module is connected in series on temperature control electric heating structure. Non temperature control electric heating structure is with low -power sustained heating, to maintain the highest temperature state of mirror. Temperature control electric heating structure is controlled to temperature control module, can start according to temperature automatically. Like this can satisfy the requirement of electric heating heating piece's quick defrosting and the highest temperature must be lower than the safety temperature point. The utility model discloses through the cooperation of double circuit, has solved traditional heating piece energy consumption high, the highest heating temperature is too high, low -temperature section temperature rise too slow's problem, has the advantages of high -efficient defrosting, safe energy -conserving.

A split-type heating plate and electric cooking device includes a panel, a heating element, an upper insulating mica sheet, a lower insulating mica sheet, and a cover. The upper insulating mica sheet, the heating element, and the lower insulating mica sheet are sequentially pressed and connected to the inner wall of the panel by the cover. The panel includes a body and a heating base. The heating base is located in the middle of the body, and an annular groove is provided on the outer side of the heating base. The outer ring of the heating base has protrusions that surround a recess. The heating element includes a heating core plate. The concave-convex design of the heating base can stably fix the electric cooking device, and the annular groove design can solve the problem of minor water leakage without corroding the interior of the heating plate, resulting in a long service life. Furthermore, the electric heating plate uses a heating core plate, which has a large heating area, low production cost, and high thermal efficiency.

This utility model relates to the technical field of boiler degassing, and in particular to a degassing assembly and its electrode boiler, comprising: a degassing vessel, supported on the ground, with a degassing chamber inside and an outlet connected to the top of the degassing vessel; a filtration mechanism, connected to the outlet of the degassing vessel, for filtering the gas; wherein the degassing vessel includes: a heating cylinder, disposed inside the degassing vessel, with multiple connecting rods arranged circumferentially on the outer wall of the heating cylinder, the heating cylinder being fixedly installed inside the degassing vessel via the connecting rods; a water pump, fixedly installed on the outer wall of the degassing vessel, the water pump input end for drawing in boiler water, and the water pump output end connected to a water supply pipe; and an annular spray pipe, disposed inside the degassing vessel, connected to the water supply pipe, with multiple spray nozzles arranged annularly on the inner wall of the annular spray pipe, each spray nozzle being located at the top of the heating cylinder.

This utility model discloses a high thermal conductivity refractory ceramic plate for kilns, comprising a ceramic plate body, an installation mechanism on the outer surface of the ceramic plate body, and a heat-conducting mechanism fixedly connected to the inner wall of the ceramic plate body. The heat-conducting mechanism includes a fixed frame fixedly connected to the inner wall of the ceramic plate body, and multiple sets of silicon carbide crystal blocks fixedly connected to the outer surface of the fixed frame. This invention relates to the technical field of ceramic plates for kilns. The high thermal conductivity refractory ceramic plate for kilns expands the heat absorption area through the hexagonal silicon carbide crystal blocks outside the fixed frame, rapidly transferring heat. Copper-nickel alloy metal heat-conducting sheets conduct heat to the inner wall of the ceramic plate. Adjacent plates are connected to high-temperature resistant silicone heat-conducting pads via heat-conducting rods, reducing thermal resistance and achieving multi-plate collaborative heat conduction. Combined with a tightly spliced ​​limiting structure, heat is evenly distributed between the plates, improving overall heat conduction efficiency.

The utility model discloses a kind of penguin hand warmer, belong to hand warmer field, including front end shell, heating sheet, circuit board, cover plate, battery, rear end shell, control switch, magnetic adsorption sheet.The utility model is through the layout of front section concentrated heating, rear end magnet, both avoid high temperature direct conduction to magnet area to guarantee magnetic stability, two hand warmers can be spliced into double heating sheet structure by adsorption combination, heating area expands nearly one time, significantly improves heating efficiency, adapts different scene.

This utility model discloses a modular photothermal interface evaporator, relating to the field of evaporator technology. It includes a frame body and a connecting frame. The top of the frame body has an installation cavity, inside which a light-absorbing plate is installed. A floating platform is fixedly installed on the lower exterior of the frame body, and a porous sponge is fixedly installed below the floating platform. The frame body has through holes, and two connecting grooves are provided on the side walls of the frame body, located on opposite sides. The connecting frame corresponds to the connecting grooves and is slidably connected to the frame body. The modular units of this photothermal interface evaporator are assembled using a combination of snap-fit ​​and plug-in connections, facilitating the assembly and disassembly of each module, reducing maintenance costs. Multiple photothermal interface evaporators can be combined and spliced ​​into a single unit, allowing for flexible adjustment of water production and improving the practicality of the photothermal interface evaporator.

The application discloses a water content detection device for traditional Chinese medicine decoction pieces, which comprises a box body, the inside of the box body is divided into a heating cavity and a weighing cavity by a partition plate, a halogen lamp is arranged on the inner wall of the box body in the heating cavity, a weighing sensor mechanism and a supporting mechanism are arranged in the weighing cavity, a through slot for the supporting mechanism to pass through is formed in the partition plate, an electric push rod for driving the weighing sensor mechanism to move vertically and a horizontal transmission mechanism for driving the supporting mechanism to move horizontally are arranged in the weighing cavity, the supporting mechanism comprises a sample disc in which quartz sand is placed, a bottom plate for bearing the sample disc and a stirring mechanism for stirring the sample and the quartz sand, and the weighing sensor mechanism comprises a sensor and a weighing platform on the top of the sensor. The sample disc adopts a translation structure, so that the halogen lamp and the weighing sensor mechanism are horizontally staggered, the heat radiation of the halogen lamp cannot directly irradiate the weighing sensor, the drift of the sensor zero point caused by high temperature is avoided, and the overall detection precision is improved.

This utility model discloses an atomizing core and an atomizer. The atomizing core includes a porous cup body, a first heating element, and a second heating element. The porous cup body includes an inner wall surface and an outer wall surface. The inner wall surface forms a cavity for containing the atomizing medium. At least a portion of the first heating element is disposed on the inner wall surface. The first heating element is used to preheat the atomizing medium in the cavity. The second heating element is disposed on the outer wall surface and is used to heat and atomize the atomizing medium seeping from the outer wall surface. The first heating element preheats the atomizing medium in the cavity, causing it to melt into an atomizing liquid. The atomizing liquid seeps out through the porous cup body to the outer wall surface. The second heating element heats and atomizes the seeping atomizing liquid to generate an aerosol. The preheating of the first heating element allows for a timely and stable supply of atomizing liquid to the second heating element, ensuring that the second heating element has sufficient contact with the atomizing liquid during the heating process. This effectively prevents the second heating element from dry burning and avoids core scorching.

The application discloses a heating module and a cooking utensil thereof. The heating module comprises a support body and a wire group part, and the wire group part comprises a first wire group and a second wire group. The first wire group and the second wire group are in a polygonal structure. The first wire group is provided with a first corner part in a convex structure, and the second wire group is provided with a second corner part in a convex structure. The first corner part and the second corner part are in a staggered distribution structure. The covering distance of the first wire group along the radial direction of the support body is H0. The vertical distance from the inner edge position of the second corner part to the outer edge position of the corresponding region of the first wire group is H. H is greater than or equal to half of H0 and less than or equal to H0. The vertical distance from the outer edge position of the first corner part to the inner edge position of the corresponding region of the second wire group is H1. H1 is less than half of H0. The cooking utensil comprises the aforementioned heating module. The application solves the problem of poor uniform heating effect caused by concentrated heating of the coil disc on the pot in the existing cooking utensil.

This utility model relates to the field of jewelry manufacturing technology, specifically disclosing a pickling tank for jewelry production. The tank includes a body with a loading basket suspended from a lifting device via a conveyor belt. An inlet / outlet is located on the top cover of the tank, with a sealing cap at each inlet / outlet. The conveyor belt can move up and down when the sealing cap closes the inlet / outlet. A rotating platform is located at the bottom of the tank, housing an acid tank, an electric heating furnace, and a water tank. The electric heating furnace has electric heating sources on its side walls and bottom. Rotating the rotating platform positions the acid tank or water tank directly below the loading basket. An exhaust system is connected to the tank. A temperature sensor is mounted on the electric heating furnace, and the electric heating sources are connected to a controller, which in turn is connected to the temperature sensor. The electric heating furnace heats the acid tank from the side and bottom, increasing the heating area and improving thermal efficiency. During pickling and washing, the tank is sealed, and the exhaust system extracts the acidic gases, reducing their diffusion.

The present application provides a kind of tank container, including tank body and heating structure arranged on the bottom of tank body;Heating structure includes: a plurality of heating jacket, along the longitudinal direction of tank body interval arrangement;Each heating jacket extends along the circumference of tank body to cover on tank body, and heating jacket includes two opposite overlapping and welded together plate, two plate is through pressure double face inflation and thus forms hollow sandwich;Connecting pipeline, for heating medium flow in;Connecting pipeline extends along the longitudinal direction of tank body, and respectively with each heating jacket sandwich connection pass through.The length of plate is longer compared with traditional heating pipe, in addition, plate will not be limited by width, therefore, heating area can easily increase to achieve the desired good heating effect.Due to the existence of sandwich, avoid the contact of heating medium and tank outer wall, and then solve the corrosion problem of heating medium for tank wall, prolong the service life of tank box.

This utility model discloses a glue delivery tube and a glue receiving tube hot melt glue machine equipped with the glue delivery tube, relating to the field of glue delivery tube technology. It includes a glue delivery tube body, with a connecting sleeve externally threaded to one end of the glue delivery tube body. A heat-conducting component is disposed inside the connecting sleeve. The heat-conducting component includes a fixing block, a heat-conducting rod, a first heat-conducting plate, and a second heat-conducting plate. By setting up the heat-conducting component, this utility model allows for direct heating of the glue by directly placing the heat-conducting rod, the first heat-conducting plate, and the second heat-conducting plate inside the glue delivery tube body, avoiding heat loss during conduction. Furthermore, the staggered distribution of the first and second heat-conducting plates on the outside of the glue delivery tube body increases the heating area of ​​the glue inside the tube body, improving heating efficiency and avoiding uneven heating, thus facilitating subsequent use of the glue.

This utility model discloses a constant temperature water tank for a coffee machine, including a tank body and a cover. The tank body is divided into a water inlet section and a heating section. The water inlet section includes an outer casing and an inner casing, with a water filling chamber between the outer casing and the inner casing. A first drain hole is opened on the bottom surface of the water filling chamber, and a second drain hole is opened on the wall of the inner casing. An electric heating rod is installed on the inner bottom surface of the heating section, and an electric heating element is installed on the inner side wall of the heating section. A water inlet pipe is connected to the casing of the water inlet section, and a water outlet pipe is connected to the bottom casing of the heating section. A liquid level sensor is installed on the inner bottom surface of the tank body. In this utility model, cold water slowly flows into the water tank through the drain hole in the water filling chamber. Due to the slow flow rate, heat exchange with the hot water in the tank can be completed slowly and fully, thereby keeping the overall water temperature in the tank basically balanced and avoiding excessive fluctuations in the water temperature, thus ensuring a constant water temperature.

This utility model relates to the field of single crystal furnace heating technology, and in particular to an auxiliary heating device for a single crystal furnace. It includes a heating coil fitted inside the outer shell of the single crystal furnace, located above the crucible. The heating coil is composed of at least one layer of ring-shaped, nested tubes, spirally wound along the central axis to form a multi-layered, ring-shaped stack with a central cavity. This utility model enables heat to be uniformly transferred from multiple directions to the area above the crucible, avoiding localized overheating or undercooling. By changing the structure of the heating coil, the problem of uneven temperature distribution is solved. Compared to traditional heating components, it can heat the silicon material more efficiently and uniformly, improving the melting effect of the silicon material and the quality of single crystal growth.

The application provides an atomizer and an electronic atomization device, and belongs to the technical field of atomization devices. The atomizer comprises a liquid storage bin, a liquid guide cotton and an atomization core. The liquid guide cotton is supported in the liquid storage bin, a liquid storage space is formed between the liquid storage bin and the liquid guide cotton, two or more installation channels penetrating through the liquid guide cotton are formed in the liquid guide cotton, and the atomization core is two or more. The atomization core corresponds to the installation channel one by one and is installed in the corresponding installation channel. The atomizer provided by the application comprises two or more atomization cores. Compared with a single-core atomizer, the heating area can be increased, and the preheating time during starting can be reduced. Under the same power output, the large heating area enables heat to be more uniformly distributed on a larger area, the heat per unit area is relatively low, and the situation of local overheating leading to a burnt core is less likely to occur, that is, the load of the atomization core in a single-core atomizer can be reduced, and the service life of the atomizer is improved.