105 results about "Water boil" patented technology

The utility model provides hydrogen-rich water production equipment which comprises a purification module, a water storage module, a water supply module and a water supply module, wherein a water inlet of the purification module is used for communicating with a water supply device; a water inlet of the hydrogen-rich module is communicated with a water outlet of the purification module; a water inlet of the hydrogen mixing module is communicated with a water outlet of the purification module, and a gas inlet of the hydrogen mixing module is communicated with a hydrogen outlet of the hydrogen-rich module; the control device is communicated with the purification module, the hydrogen enrichment module and the hydrogen mixing module; the water boiling device is used for being communicated with the water outlet of the hydrogen mixing module under the control of the control device, and the water boiling device is used for heating the hydrogen-rich water output by the hydrogen mixing module; the hydrogen and oxygen absorption device is provided with a hydrogen absorption port and an oxygen absorption port, the hydrogen absorption port is used for being communicated with the hydrogen outlet of the hydrogen enrichment module under the control of the control device, and the oxygen absorption port is used for being communicated with the oxygen outlet of the hydrogen enrichment module under the control of the control device. The hydrogen-rich water supply function, the hot water supply function, the hydrogen absorption function and the oxygen absorption function are integrated.

The invention belongs to the technical field of cladding tube surface treatment, and discloses a water boiling oxidation method of a nuclear-grade extrusion forming aluminum material, which comprises the following steps: preliminarily cleaning a fuel element, immersing the fuel element in nitric acid for immersion cleaning, regenerating a layer of uniform porous white oxidation preforming film, and removing nitric acid on the surface of the fuel element, so as to obtain the nuclear-grade extrusion forming aluminum material. The fuel element is immersed in nitric acid for immersion cleaning, yellow / gray stripes formed by residual substances on the surface of the fuel element after high-temperature nitric acid immersion cleaning are removed, nitric acid on the surface of the fuel element is removed, the surface of the fuel element is repeatedly wiped in the cold running water washing process, and impurities generated by reaction of the surface of the fuel element and aluminum are removed; the fuel element is immersed in deionized water with the water temperature exceeding 80 DEG C to be sealed and stored, a nanoscale oxidation film is prepared through the reaction of aluminum and water, and the fuel element is dried. According to the method, the bonding strength of impurities and an aluminum matrix in the nitric acid treatment process can be reduced, the impurities can be effectively removed, and large-area water marks on the surface of the aluminum material after automatic boiling oxidation are avoided.

The hydrogen extraction core structure comprises an upper shell and a lower shell connected with the upper shell in a clamped mode, the upper shell and the lower shell jointly define a cavity used for containing a hydrogen-rich piece, and through holes communicating with the cavity are formed in the bottom of the upper shell and the bottom of the lower shell correspondingly. The upper shell is designed to be clamped and matched with the lower shell, the phenomenon that the hydrogen-rich piece is scattered in the transportation process is effectively prevented, in addition, the hydrogen-rich piece is designed to be of the circular ring structure, more water flow can penetrate through the cavity through the design of the circular ring structure, the temperature sensing probe can sense the temperature change, and after water is boiled, the water flow can flow through the cavity through the water flow. And the automatic power-off performance of the electric kettle is not influenced.

The invention discloses a water boiling control method and system based on kettle body induction analysis. The method comprises the steps that first infrared data are obtained through an infrared sensor arranged in a first area of a water boiling kettle; according to the first infrared data, judging whether a user starting operation exists or not; when it is judged that the user starting operation exists, multiple pieces of second infrared data are obtained through an infrared sensor arranged in a second area of the water boiling kettle; the second area is closer to an equipment operation area corresponding to the water boiling kettle than the first area; and determining a water boiling instruction of the water boiling kettle according to the at least two pieces of second infrared data and a preset user action analysis algorithm. Therefore, accurate water boiling instruction identification based on multi-area infrared data and action analysis can be realized, and the intelligent operation accuracy and user experience of the water boiling kettle are improved.

The utility model discloses a tea art machine, and relates to the technical field of tea art machines, the tea art machine comprises a water adding device, and the water adding device comprises a container with a heating module, an instant heating pipe module, a water taking pump, a first detection part, a second detection part and a control module. The heating module is used for heating water in the container, namely the heating pipe module is connected with the container through a third water pipe, so that the water entering the container is preheated to a preset temperature in advance; the water taking pump takes water from the outside through a first water pipe and is connected with the instant heating pipe module through a second water pipe. The first detection piece is arranged on the second water pipe to detect whether water flows through the second water pipe; the second detection piece is arranged on the third water pipe to detect whether water flows through the third water pipe; the control module is used for controlling the instant heating pipe module to work. The tea art machine can effectively shorten the water boiling time of the heating container, so that the tea making waiting time is shortened, and meanwhile, the working safety of the instant heating pipe module can be protected.

The application relates to the technical field of food processing. The application discloses sweet and spicy chicken clavicles and a processing technology thereof. The processing technology comprises the following steps: S1, freezing chicken clavicles are subjected to thawing treatment to obtain pretreated chicken clavicles; S2, the pretreated chicken clavicles are placed into a pickling solution and soaked for pickling; S3, the chicken clavicles after pickling in step S2 are subjected to water boiling treatment to shape the chicken clavicles; S4, brine is prepared, the prepared brine is boiled to 95-100 DEG C, the chicken clavicles after water boiling in step S3 are placed into the brine, and the chicken clavicles are subjected to brining for 20-40 min, then the chicken clavicles are taken out and drained to obtain sweet and spicy chicken clavicles; wherein the pickling solution comprises Chinese date juice, rennet, yeast extract, tannic acid extract, sodium tripolyphosphate, sodium bicarbonate, sodium citrate, sodium carbonate, edible salt and water. The sweet and spicy chicken clavicles are prepared by the above processing technology. The sweet and spicy chicken clavicles prepared by the application have a complete appearance and good meat quality.

The invention belongs to the technical field of optical communication module production, and particularly relates to an optical communication mirror base repairing method which comprises the steps that an optical communication mirror base is subjected to ultrasonic water boiling through a cleaning agent, the water boiling temperature is 100 DEG C, the ultrasonic frequency is 40 Hz, and the water boiling time is 2 hours; normal-temperature water is adopted for rinsing, and the rinsing time is 3 minutes; drying at the temperature of 150 + / -5 DEG C for 50 minutes; feeding the materials to repair equipment; high-pressure water is used for spraying the 0-degree optical filter in the optical communication lens base, the watermark of the high-pressure water is 15 Mpa, and the spraying duration is 0.5 s; high-pressure water is used for spraying the 45-degree optical filter in the optical communication lens base, the watermark of the high-pressure water is 15 Mpa, and the spraying duration is 0.5 s; and drying at the temperature of 150 + / -5 DEG C for 50 minutes to obtain the optical communication lens base without the optical filter and the adhesive. According to the invention, the lens base can be stripped from the optical filter, so that secondary recycling of the lens base is realized, and the raw material cost of an enterprise is reduced.

The utility model relates to an exhaust type decoction packaging machine which effectively solves the problem that air remains in a liquid packaging bag. According to the technical scheme, the device comprises a liquid medicine tank and an evaporation tank, a filling pipe is connected to the lower end of the liquid medicine tank, a first electromagnetic switch valve is installed on the filling pipe, an electric heater is installed in the evaporation tank and can boil water in the evaporation tank into steam, a steam pipe is connected to the top of the evaporation tank, and the lower end of the steam pipe and the filling pipe are inserted into a packaging bag together. The lower end of the steam pipe is higher than that of the filling pipe; in the filling process, water vapor homologous with medicine decocting is used for discharging air in the packaging bag, other foreign matter cannot be introduced into the packaging bag, inert gas does not need to be prepared, the situation that the quality guarantee period is shortened due to the fact that a large amount of air is sealed in the packaging bag can be avoided, on the other hand, the water vapor can be condensed to enable the packaging bag to be shrunken back, occupied space can be reduced, and cost is reduced. And the risk that the packaging bag is broken can be reduced.

The application provides a method for improving the quality of heating cigarette sheet tobacco, comprising the following steps: A) mixing tobacco powder and wet materials, and adopting acid treatment or baking treatment to obtain treated tobacco powder; B) performing hydrothermal treatment on the treated tobacco powder, and obtaining slurry after cooling; the parameters of the hydrothermal treatment are as follows: water boiling at 45-100 DEG C for 30-60 min; C) preparing the slurry into sheet by using a thick slurry method, and then drying, shaping and cutting to obtain heating cigarette sheet tobacco. The above treatment method provided by the application achieves the technical effect of effectively removing impurities and reducing the stimulation, increasing tobacco original aroma and baking aroma, and improving the comfort of the heating cigarette through the synergistic cooperation of acid treatment and hydrothermal treatment, or the synergistic cooperation of baking treatment and hydrothermal treatment.

The invention discloses a boiling-resistant color-changing composite material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The composite material comprises the following components in parts by weight: 50-85 parts of bulk ABS resin, 10-40 parts of polylactic acid, 3-10 parts of a compatilizer, 0.3-1.5 parts of a heat-resistant agent, 0.5-3 parts of toner and 3-10 parts of a modifier, the modifier is a compound of a molecular sieve and an epoxy functionalized polymer, and the mass ratio of the molecular sieve to the epoxy functionalized polymer is (1-10): 1. The bulk ABS resin, the polylactic acid, the compatilizer and the modifier are compounded according to a certain proportion, and an unexpected synergistic effect is generated among the components, so that performance deterioration is avoided while the mechanical property is guaranteed, and the color stability of the composite material under the harsh water boiling condition can be remarkably improved.

The embodiment of the application provides a thyristor protection method of a drinking machine. Each complete hot water dispensing cycle of the drinking machine comprises a water boiling stage and a waiting stage. The water boiling stage refers to a period between the beginning of heating of the heating module and the end of heating. The waiting stage refers to a stage of waiting for water discharge after the end of the water boiling stage. The initial setting time length of the water boiling stage is Ton, and the initial setting time length of the waiting stage is Toff. The method comprises the following steps: counting the interval time length t between the end of the nth hot water dispensing cycle and the beginning of the (n+1)th hot water dispensing cycle; when the interval time length t is less than a first time length ta, increasing the value M of the continuous hot water making cycle count bit by 1, and adjusting the time length of the waiting stage and / or the time length of the water boiling stage in the (n+1)th hot water dispensing cycle according to the hot water making cycle count and the first time length ta. The embodiment scheme effectively reduces the temperature rise of the thyristor during continuous hot water dispensing, avoids the thyristor from being effective due to continuous hot water dispensing, and improves the service life of the whole machine.

This invention discloses a water boiling control method and system based on historical data analysis. The method includes: acquiring motion sensing data from multiple historical time points using a sensor installed at the bottom of the kettle; training a motion prediction model based on the motion sensing data corresponding to all historical time points; predicting user motion characteristics at the current time point based on the motion prediction model and the motion sensing data from the previous time point; and determining the corresponding water boiling control command for the kettle based on the predicted user motion characteristics in response to the user motion detection signal at the current time point. Therefore, this invention can achieve accurate water boiling command generation based on motion timing analysis, improving the accuracy of intelligent kettle operation and user experience.

The utility model belongs to the technical field of water boiling electric appliances, and particularly relates to a spraying structure and a health preserving pot, the spraying structure comprises a liquid collecting shell, a storage bin, a water pipe and a valve core, the liquid collecting shell is arranged in liquid, the bottom of the liquid collecting shell is provided with a liquid inlet communicated with the interior of the liquid collecting shell, and the storage bin is arranged above the liquid collecting shell and used for placing a brewing object; the top of the water pipe penetrates through the bottom of the storage bin and extends upwards into the storage bin, the bottom of the water pipe is communicated with the liquid collecting shell, the valve element is movably arranged at the liquid inlet and located in the liquid collecting shell, and the valve element has an opening position for opening the liquid inlet and a closing position for closing the liquid inlet. Natural energy of liquid boiling is directly utilized to complete spraying, energy consumption can be saved, using cost is reduced, a user can use the tea brewing device conveniently, the boiling liquid makes full contact with a brewed object, brewing efficiency and brewing quality can be improved, and tea soup taste is more uniform.

The utility model discloses a small-particle-size hexagonal crystal system lanthanum cerium precursor preparation device, and belongs to the technical field of rare earth polishing powder preparation. Comprising a raw material size mixing tank, a jacketed heat preservation reaction kettle, a coil pipe type heat exchanger, a plate heat exchanger, a horizontal sand mill and a spray dryer, a liquid outlet in the bottom of the size mixing tank is communicated with a liquid inlet of the jacketed heat preservation reaction kettle and the plate heat exchanger, and a discharging port in the bottom of the jacketed heat preservation reaction kettle is communicated with the horizontal sand mill and the coil pipe type heat exchanger. An outlet of the horizontal sand mill is communicated with the spray dryer, and a steam outlet formed in the top of the jacket heat preservation reaction kettle is connected to the plate heat exchanger through a pipeline. According to the utility model, the small-particle-size hexagonal crystal system lanthanum cerium precursor with high crystallinity, uniform fluorine ion reaction, small particles and uniform morphology is obtained through a poaching alkali-to-fluorination and mechanical crushing adjustment process, meanwhile, the pretreatment crushing cost of the precursor is reduced, the cyclic utilization of water resources, heat energy and reagents in the fluorination process is realized, and the adverse effect on the external environment is reduced.

The utility model discloses a reinforced core-burning kettle which comprises a kettle body, a burning inner container is installed in an inner cavity of the kettle body, a plugging cover is installed at the upper end of the burning inner container, the upper end of the kettle body is communicated with a water injection opening, a sealing cover is hinged to the side wall of the water injection opening, and a plurality of reinforcing hoops are installed on the outer wall of the kettle body. The upper section of the right side wall of the kettle body is communicated with a spout, the diameter of the joint of the spout and the kettle body is larger than that of a water outlet of the spout, a handle assembly is installed on the outer wall of the upper section of the kettle body, and an auxiliary handle is installed on the outer wall of the left side of the lower section of the kettle body. The problems that some existing heart-burning kettles in the market are long and lack of reinforcement, so that the kettle bodies are prone to deformation in the using process, a sealing cover installed at a water injection opening in the upper end of each kettle body is prone to being flushed open by water vapor when water is boiled, the falling phenomenon occurs, and then boiled water is prone to being polluted are solved.

The utility model relates to a kind of cosmetic bottle sealing detection device, including conveying mechanism, the detection groove of fixed in the upper end of conveying mechanism, the heating mechanism of fixed in the upper end of conveying mechanism and the vacuum mechanism of fixed in the upper end of conveying mechanism;The innovative use of the present application has the principle that water boils at different pressures, can detect the tiny gap of the produced cosmetic bottle, and the accuracy of the detection is higher relative to the traditional air-tight detection device, the water in the cosmetic bottle is heated using the heating mechanism, then the cosmetic bottle is sealed, the air outside the cosmetic bottle is evacuated, if the cosmetic bottle has air-tight defect, then the water inside boils and evaporates quickly, the sealing performance of the cosmetic bottle is detected by detecting the weight of the whole cosmetic bottle before and after.

The application discloses a water-based paint for PET plastic and a preparation method thereof. The water-based paint for PET plastic comprises component A and component B. The component A is composed of silicone-modified hydroxyl acrylic resin, polycarbonate polyol, oxalic acid-based polyester polyol, succinic acid / isophthalic acid-based polyester polyol, maleic rosin polyethylene glycol ester, pigment, UV absorber, hindered amine light stabilizer, coupling agent, wetting agent, leveling agent, rheological aid, defoaming agent, accelerator, auxiliary solvent and deionized water. The component B is composed of hexamethylene diisocyanate, isophorone diisocyanate and dilution solvent. The water-based paint provided by the application is sprayed on the surface of a PET bottle, and after being dried into a film, the water-based paint has good adhesion to the PET bottle, is convenient for subsequent printing, electroplating or ion plating, and can effectively improve the water boiling resistance of the PET bottle.

The utility model belongs to the technical field of water boiling kettles, and particularly relates to a double-layer heat insulation and preservation water boiling kettle which comprises a kettle body and a heating assembly, and the heating assembly is arranged below the kettle body and used for heating liquid in the kettle body. The kettle body comprises a kettle body and a kettle cover. The kettle body comprises an inner container and a shell, a water injection opening is formed in the upper portion of the inner container, the shell is a cavity with an upward opening, the inner container is arranged in the shell, and a gap is formed between the inner container and the shell. A water outlet is formed in the upper portion of the inner container, a water pouring opening is formed in the upper portion of the shell and located on one side of the water outlet, and a connecting pipeline is further arranged in the kettle body and used for communicating the water outlet with the water pouring opening. The kettle cover is used for covering or opening the water injection opening. Due to the fact that the certain gap is formed between the outer layer of the inner container and the outer shell, the heat dissipation speed of the inner container can be reduced, meanwhile, the temperature of the outer shell is far lower than that of the inner container, and compared with a single-layer water boiling kettle in the market, the double-layer heat insulation and heat preservation water boiling kettle can greatly improve the heat insulation and heat preservation effect.

The application provides a production process of snowflake cloth, and relates to the technical field of cloth production. The production process of the snowflake cloth comprises the following steps: washing and water boiling of finished cloth, cooling to room temperature; immersing the water boiled finished cloth in a treatment liquid, taking out, water boiling, cooling to room temperature, and obtaining a spare product; the treatment liquid is obtained by mixing black pepper extract, alfalfa extract and pure water at a mass ratio of 1:2-3:6; immersing the spare product in glacial acetic acid, immersing the taken-out spare product in the treatment liquid for a second time, drying, dry grinding with pumice, washing, and obtaining treatment cloth a; adjusting the temperature, immersing the treatment cloth a in a delinting agent, inactivating, washing, and obtaining treatment cloth b. The application combines the traditional snowflake washing process, adds a treatment liquid immersion step, adjusts the treatment time of the cloth product in the treatment liquid, and provides a cloth with a snowflake effect, a cloth surface strength retention degree of more than 89%, and a color preservation degree.

The anti-sticking electric cooker comprises a cooker body, an installation cavity with an upward opening is formed in the cooker body, an inner container is arranged in the installation cavity in a sleeved mode, a heating assembly which is located in the installation cavity and used for heating the inner container is arranged between the bottom of the inner container and the cooker body, and a plurality of protrusions are evenly distributed on the bottom face in the inner container. A gap is formed between every two adjacent protrusions to form a flow guide net for guiding water flow, and the top face and the side face of each protrusion are both upwards-protruding curved faces. Compared with the prior art, the inner container has the advantages that the bottom surface of the whole inner container is uniformly heated, the possibility of sticking to a pan is reduced, meanwhile, water boils in the flow guide net to form steam, the steam flows in the flow guide net, and high-temperature steam fluctuates to separate the top of the bulge from stuck food, so that the effect of preventing sticking to the pan is achieved, and the anti-sticking function exists all the time; and the anti-sticking function failure caused by scratching does not need to be worried.

The utility model relates to the field of water boiling equipment, in particular to water boiling equipment for lotus root processing, and adopts the technical scheme that the water boiling equipment for lotus root processing comprises a base, a water boiling barrel, a barrel cover, a water boiling frame, a water boiling gauze element, an electric cylinder, a first electric hot tray, a current sensor, a control mainboard, a movable ring, an extension frame and a second electric hot tray, limiting blocks are fixedly connected to the edges of the four corners of the upper end of the base, electric cylinders are fixedly connected to the upper ends of the limiting blocks, a connecting groove is formed in the center of the upper end of the base, and a first electric hot tray is installed in the center of the inner wall of the connecting groove. According to the lotus root water boiling equipment, the short circuit information is fed back to the control mainboard, and then the electric cylinder is started by the control mainboard to push the water boiling barrel, so that the second electric hot tray is separated from the short-circuited first electric hot tray, the safety of a user is ensured, and the problem that the power supply is difficult to cut off automatically when the existing lotus root water boiling equipment is short-circuited is solved.

The utility model relates to a handle fixing structure of an electric kettle. The handle fixing structure of the electric kettle comprises a kettle body, a kettle shell and a base. A containing space and a kettle opening communicating the containing space with the outside of the kettle body are formed in the kettle body. The kettle body is surrounded by the kettle shell, and a steam flow channel is arranged in the kettle shell; the base is arranged at the bottom of the kettle body and provided with a steam switch; the steam flow channel is used for guiding steam in the containing space into the steam switch so that the steam switch can cut off the heating circuit. Wherein the kettle body is provided with a handle fixing seat, the handle fixing seat is provided with a steam guide channel, and the steam guide channel is used for communicating the containing space with the steam flow channel; the handle fixing base is further provided with a handle installation part facing the outside of the kettle body and used for installing a handle. According to the handle fixing structure, steam can be guided to the steam switch of the base through the steam flow channel of the kettle shell, and automatic power off of the electric kettle after water is boiled is achieved.

The utility model discloses a flow guide type thermos capable of preventing boiling overflow, which comprises a thermos body, the thermos body comprises a thermos body and a thermos cover covering an opening at the upper end of the thermos body, a heating chamber is arranged in the thermos body, and a sealing component is arranged on the side wall, close to a water outlet, in the heating chamber. According to the hot water kettle, the water outlet is automatically kept in a closed state when the whole structure is in a boiling water state, boiling water is prevented from overflowing from the water outlet, and meanwhile, after water is boiled, even if the water accidentally topples over, the water can be prevented from overflowing from the water outlet. A physical barrier formed by the sealing plate and the kettle cover can also prevent hot water from leaking, the potential safety hazard that children make contact with high-temperature liquid is particularly reduced, and through the synergistic effect of mechanical linkage, temperature control response and a flow guide structure, systematic safety improvement is achieved in the aspects of operation convenience, automatic protection reliability and accident prevention.

The utility model discloses a square titanium kettle for boiling water, which comprises a square kettle body with a water storage cavity and a kettle cover covered on the water storage cavity, the square kettle body comprises a kettle body and a kettle body cover, the kettle body forms the bottom wall and the side wall of the water storage cavity, and the kettle body cover forms the top wall of the water storage cavity. The kettle body cover and the upper end of the kettle body are welded to define the water storage cavity, and the problem that the forming difficulty of a product is high is solved.

This utility model discloses a cup lid assembly with pressure relief function and its kettle. The cup lid assembly with pressure relief function includes a cup lid base, a flip-top body, and a venting component. The cup lid base has a drinking spout penetrating through the center of the cup lid base. One end of the flip-top body is rotatably mounted on the cup lid base. The venting component includes a vent and a waterproof and breathable membrane. The vent is opened on the flip-top body and communicates with the drinking spout. The waterproof and breathable membrane is installed at the bottom of the vent. In this utility model, through the cooperation of the cup lid base, the flip-top body, and the waterproof and breathable membrane, the hot air generated during the heating process of the kettle can pass through the waterproof and breathable membrane on the flip-top body and be discharged to the outside of the cup lid base through the vent. Thus, the water boiling operation can be completed without removing the cup lid base or opening the flip-top body. When drinking water, the user only needs to rotate the flip-top body to open or close the drinking spout, again without removing the cup lid base, achieving the purpose of convenient drinking water.

The utility model discloses a water boiling kitchen ware safe to use, which belongs to the technical field of kitchen ware and comprises a heating water tank, an upper cover is arranged at the upper end of the heating water tank, a side frame is arranged at the upper end of the side edge of the upper cover, a cover plate moving component is arranged on the surface of the bottom end of the upper cover, and a mounting frame is arranged on one side of the upper end of the upper cover. A travel switch is arranged at the bottom end in the mounting frame, an adjusting control assembly is arranged at the upper end of the mounting frame, and a placement frame is arranged on one side of the adjusting control assembly; through the arrangement of the adjusting control assembly, the placing frame can be conveniently controlled, the convenience of food boiling is guaranteed, manpower resources are saved, the working efficiency is improved, the placing frame does not need to be held manually, the working cost is reduced, the use quality of equipment is improved, and through the arrangement of the cover plate moving assembly, the placing frame can be automatically opened when being stressed when moving downwards. And when the placement frame moves upwards, the movable cover automatically resets and closes, and water vapor loss is prevented.

The utility model relates to a kanto cooking preprocessing technical field, concretely is a kind of kanto cooking material boiling tank, including processor, the side of processor is equipped with controller, the upper surface of processor is provided with protective device, protective device includes protective cover, protective cover is placed on the upper surface of processor, the upper surface of processor is fixedly connected with closed strip, protective cover is placed on the upper surface of closed strip, the side of controller is fixedly connected with sliding sleeve, the side of sliding sleeve is equipped with guide slot, the side of sliding sleeve is equipped with storage groove, protective cover and the inside sliding connection of guide slot, the both sides of protective cover are placed with plugboard. The utility model, by setting protective device, can effectively reduce the heat loss of processor, avoid the low heating efficiency situation of boiling tank when cooking kanto cooking material, to improve the efficiency of boiling tank heating food material, while dust can be blocked from falling into boiling tank, protective cover can keep food warm.

The utility model discloses a kettle cover sealing structure of a handle kettle. The upper cover is provided with a fixing structure used for being fixed to the kettle body, the lower end face of the upper cover abuts against the portion, on the periphery of the opening, of the kettle body, the lower cover is made of hard deformable materials and arranged on the bottom face of the upper cover, the outer edge of the lower cover abuts against the edge of the opening of the kettle body, the upper cover and the kettle body are fixed through the fixing structure, and the abutting state of the lower cover and the edge of the opening is kept unchanged. A sealing ring, a thread and other modes are not needed, a good sealing effect can be achieved through the two sealing layers, and water is kept clean.