36results about How to "Avoid sticky pot phenomenon" patented technology

The invention relates to a method for spraying silicon nitride on a quartz crucible used in polysilicon solar cell ingot casting. The method comprises the following steps: proportioning ultrapure silicon nitride powder and deionized water (DI water) according to a certain quantity, stirring uniformly, using a high-pressure gun to spray on the preheated inner wall of the quartz crucible in a cleaning cavity, sintering by an oven in a certain procedure, forming a compact silicon nitride film spraying coating on the quartz crucible inner wall, vacuumizing the oven, and introducing Ar air into the oven. The film can stop the reaction between a high-temperature fused silica liquid and a quartz crucible, thereby avoiding the crucible-adhesion phenomenon; a silicon nitride film is substituted for an ultrapure quartz crucible, so that the cost is saved; and the interfusion of oxygen elements and impurity elements, which are harmful to a finished cell slice, is avoided, so that the quality of a cell slice is ensured.

A cooking integrated steamer comprises a pot body, a pot cover, grids and a stirring shaft. The grids and the stirring shaft are arranged in the pot body. The grids are arranged on the upper layer and the lower layer respectively. Regulation of the usable area can be achieved by rotating the grid on the upper layer to be opened and closed. A plurality of gas storage pipes are evenly arranged on the lower surface of a grid plate on the lower layer, wherein openings are formed in the two ends of each gas storage pipe, the lower pipe walls of the gas storage pipes are each in an upwards-protruding arc shape, the inner pipe diameter parts of the gas storage pipes are each of a structure with the two ends thick and the middle thin, and a plurality of through holes are formed in the bottom of each lower pipe wall. The stirring shaft is driven by a motor arranged in the pot cover. A plurality of stirring claws are arranged at the bottom end of the stirring shaft and can stir the bottom of the pot body during cooking. By means of the cooking integrated steamer, cooking and stirring at the bottom of the pot can be completed at the same time, food on the grid on the upper layer and food on the grid on the lower layer are steamed and cooked at the same time, the cooking time of food can be effectively shortened, food on the grids is prevented from being soaked in condensate water, and food can have good outward appearance and good tastes.

The invention relates to a soybean milk making method free of false boiling. The method at least comprises stages as follows: (a) a crushing stage: water and a material are crushed into pulp at the first temperature lower than or equal to 70 DEG C; (b) an enzyme deactivation and emulsification stage: the pulp is rapidly heated to the second temperature higher than 80 DEG C in less than 30 s; (c) a cooking stage: the pulp is boiled until being totally cooked. By comparison with the prior art, the reaction time of lipoxidase is shortened rapidly through a false boiling temperature zone, fewer beany substances are released, and the false boiling phenomenon can be avoided.

The present application discloses a cooking control method and a cooking appliance. The method comprises: controlling a heating module to heat watered ingredients; in a heating process, detecting whether an equilibrium condition is satisfied, wherein the equilibrium condition comprises that the temperature change amount within a set time does not exceed the set change amount threshold, and the settime and/or the set change amount threshold is related to the watering condition of the ingredients; when detecting that the equilibrium condition is satisfied, determining that a boiling state is satisfied; and controlling the heating module to reduce the heating power, during the continuously heating process, detecting whether the equilibrium condition is satisfied, and controlling the cookingprocess according to a re-detection result. According to the technical scheme of the present application, an equilibrium condition that is compatible with the watering condition of the ingredients isset, on one hand, the timing of converting a boiling state into a low-heat state can be automatically determined according to the equilibrium condition, and on the other hand, after entering the low-heat state, the cooking process is controlled according to the equilibrium condition once again, so that the phenomenon of over cooking due to less watering can be prevented, the burden on the user canbe reduced in a facilitated manner, and a better cooking result can be obtained.

The invention discloses a heating device with the bottom part, the lateral part and the top part being heated simultaneously, which comprises a lower base body (1) and an upper base body (2), and is characterized in that the upper surface of the upper base body (2), the outer surface of a side wall (3) of the lower base body (1) and the lower surface of a bottom plate (4) of the lower base body (1) are provided with an electrothermal film (5), and the electrothermal film is formed by such components as stannic chloride, titanium trichloride, antimony trichloride, calcium chloride, chromium oxide, manganese dioxide, nickel oxide, isopropyl alcohol, ethanol and water; the components are mixed and prepared into an electrothermal film treatment solution, then the electrothermal film treatment solution is sprayed to the surface of the heated base bodies, annealing is carried out, and then a finished product of the electrothermal film is acquired after electrode processing. The invention further discloses a heating method of the device. The heating device and the heating method have the beneficial effects that the electrothermal film is not easy to fall, the upper temperature limit of the electrothermal film is improved, and the temperature of the heated base bodies is enabled to rise quickly; the highest surface operating temperature can reach 800 DEG C, the power density can reach 30W/cm2, and the service life can reach up to 20000 hours.

The invention discloses a heating apparatus for heating a bottom and a top simultaneously. The heating apparatus comprises an upper base body (1) and a lower base body (2), wherein the upper base body and the lower base body are arranged oppositely in an up-down mode; and electrothermal films (3) are arranged at the upper surface of the upper base body (1) and the lower surface of the lower base body (2). The electrothermal films are formed by the components of stannic chloride, titanium trichloride, antimony trichloride, calcium chloride, chromic oxide, manganese dioxide, nickelic trioxide, isopropanol, ethanol, and water. After the components are mixed to prepare electrothermal film treating fluid, the electrothermal film treating fluid is sprayed and coated on the surfaces of the heated base bodies; annealing is carried out; and then electrode processing is carried out to obtain electrothermal film finished products. In addition, the invention also discloses a method for carrying out heating by using the heating apparatus. The apparatus and method have the following beneficial effects: shedding is prevented; the upper limit of the temperature of the electrothermal film is enhanced, so that the temperature of the heating base body can rise rapidly; and the maximum surface working temperature can reach 800 to 1000 DEG C, the highest power density can reach 40W/cm<2>, and the service life can reach over 30000 hours.

The invention discloses a human-imitating canteen stir-frying stirrer. The stirrer comprises a machine base; positioning mounting holes are formed in the left end and the right end of the machine base; a human-imitating wok tossing driving device is arranged on the upper portion of the center of the machine base; a wok body is arranged on the upper portion of the human-imitating wok tossing driving device; an arc-shaped rotating head is driven to rotate when a second motor rotates, at the moment, a rotating wheel rotates on a bearing; a cylindrical ejector rod is matched with a rotating disc through a ball head column to rotate by 360 degrees without dead angles, so that the wok body is driven to perform left-right and front-back circumferential wok tossing movement, the stir-frying action of a cook during cooking is simulated, dishes in the wok body move in multiple directions, stir-frying operation is performed, the action range is larger; and the cooking effect is better; and meanwhile, an anti-sticking cooking stirring device can be adopted, a side wall shovel revolves to stir-fry the inner side wall of the wok body, and a bottom shovel rotates and revolves, so that the dishes and seasonings in the wok body are stir-fried more uniformly, the dishes are more tasty, and the phenomenon that a wok is burnt due to non-uniform stir-frying can be prevented.

The invention discloses a manufacturing method for a silicon nitride coating. The manufacturing method comprises the following steps: mixing micron-sized silicon nitride particles and nano-sized silicon nitride particles in purified water, and adding a surfactant and a silica sol so as to form a mixture; uniformly mixing the mixture under stirring; spraying the uniformly-mixed mixture onto the surface of a to-be-coated object; and heating the mixture to remove moisture therein so as to form the silicon nitride coating. The silicon nitride coating manufactured by using the above-mentioned method has the following advantages: through mutual cooperation of the nano-sized silicon nitride particles and the micron-sized silicon nitride particles in the interior of the silicon nitride coating, gaps among particles are smaller, and the compactness of the silicon nitride coating is improved, so the problem of low compactness due to only use of the micron-sized silicon nitride particles for manufacturing of the silicon nitride coating in the prior art is avoided; and impurities can be avoided from diffusing into a silicon material from the gaps in the silicon nitride coating by penetrating through a crucible in the process of ingotting, and the phenomenon of sticking of the impurities to the crucible is avoided from occurrence, so the quality of a product is improved, and the cost of production is reduced.

The invention relates to an air heating electric cooker, which comprises a cooker cover, an inner cooker, an outer cooker, an electric heating body, a middle ring and a bottom case, wherein the middle ring is arranged at the upper part of the bottom case, the outer cooker passes through the middle ring to be fixed in the bottom case, the cooker cover and the inner cooker are buckled and sealed, the outer cooker is made of heat insulation materials, the upper end of the inner cooker and the upper end of the outer cooker adopt air-tight sealing, a gap exists between the inner cooker and the outer cooker, and the electric heating body is arranged in the gap formed between the inner cooker and the outer cooker. Such a structure is adopted, so heat generated by the electric heating body can be used for heating air between the inner cooker and the outer cooker, and the hot air heats a bottom plate and the circumferential wall of the inner cooker, so that the temperature in the inner cooker is basically identical, the temperature difference of the upper part and the lower part of the inner cooker is small, the food cooking degree is consistent, and the cooker burning phenomenon can also be prevented.

The invention discloses a heating device capable of simultaneously heating from a bottom part and lateral parts. The heating device comprises a base body (1), wherein the base body (1) comprises a cylindrical lateral wall (2) and a bottom plate (3), wherein electrothermal films (4) are arranged on the outer surface of the lateral wall (2) and the lower surface of the bottom plate (3); each electrothermal film is prepared from the following components: stannic chloride, titanium trichloride, antimony trichloride, calcium dichloride, dichromium trioxide, manganese dioxide, nickel sesquioxide, isopropyl alcohol, ethanol and 20-30 parts of water; the components are mixed to prepare electrothermal film treating liquid; and the electrothermal film treating liquid is sprayed on the surface of the heated base body, and is annealed and processed into an electrode to obtain an electrothermal film product. The invention further discloses a heating method of the device. The heating device has the beneficial effects that the heating device is not easy to fall off; the upper temperature limit of the electrothermal film is improved; the heating base body rapidly heats; the highest surface working temperature can reach 800-1,000 DEG C; the highest power density can reach 40W/cm<2>; and the service life is greater than 30,000 hours.

The invention discloses a home brewing machine. The home brewing machine comprises a pot body provided with an inner pot, a steaming basket matched with the inner pot, and a cooling barrel arranged on the pot body and used for cooling and liquefying; wherein a side, facing a bottom of the inner pot, of the steaming basket forms a steaming basket bottom, the steaming basket is provided with a deformation part with deformation capacity, and a bottom of the steaming basket moves close to or away from a bottom surface side of the inner pot through the deformation part, and the home brewing machine further comprises a controller for controlling a temperature of the inner pot. The steaming basket is provided with the deformation part, so that the bottom of the steaming basket can move close to or far away from the bottom surface of the inner pot, the home brewing machine can simultaneously meet conditions of raw material soaking, water-proof cooking and fermentation, an additional container is not needed, the home brewing machine is convenient and practical, fermented raw materials can be separated from the bottom of the inner pot in a distillation stage, and a pot pasting phenomenon can be avoided. The invention also provides a wine brewing method.

The invention discloses a heating device for lateral heating, which comprises a cylindrical base body (1) with an internal cavity, and is characterized in that the outer surface of the cylindrical side wall of the base body (1) is provided with an electrothermal film, and the electrothermal film is formed by such components as stannic chloride, titanium trichloride, antimony trichloride, calcium chloride, chromium oxide, manganese dioxide, nickel oxide, isopropyl alcohol, ethanol and water; the components are mixed and prepared into an electrothermal film treatment solution, then the electrothermal film treatment solution is sprayed to the lower surface of the heated base body, annealing is carried out, and then a finished product of the electrothermal film is acquired after electrode processing. The invention further discloses a heating method of the device. The heating device and the heating method have the beneficial effects that the electrothermal film is not easy to fall, the upper limit of the surface temperature of the electrothermal film is improved, and the heating speed and the electrothermal conversion efficiency are improved; the highest surface operating temperature can reach 800-1000 DEG C, the power density can reach 40W/cm2 at the most, and the service life can reach up to 30000 hours.

The invention relates to a spatula for stir-frying. The spatula comprises a head, a stem connected to the head and a handle disposed on the upper portion of the stem. The spatula further comprises a plurality of tubular seasoning containers which are disposed on the stem and provided with cavities, springs and electromagnetic coils disposed in the seasoning containers, iron bottom covers rotatably connected to the bottom the seasoning containers through rotary shafts, and buttons as many as the seasoning containers. The buttons are disposed on the handle. Two arms of each spring are abutted to the inner wall of each seasoning container and the iron bottom cover respectively. A battery is mounted in the handle. The electromagnetic coils are connected with the battery through the buttons. When the spatula is used, seasonings needed in stir-frying are added into the seasoning containers in advance, connection between the battery and corresponding electromagnetic coils can be cut off by pressing corresponding buttons when corresponding seasoning is needed during stir-frying, and accordingly magnetic force of the electromagnetic coils disappears due to power off, corresponding iron covers are opened by spring force, and the corresponding seasonings in the seasoning containers can be added into a wok.

The invention provides a reduced vaporization device for preparing tea extract. The device comprises a heat furnace inside which is provided with a heating coil, and also comprises a main evaporator inner shell, and a jacket and an auxiliary evaporator shell which are fixedly connected with the main evaporator inner shell; a water-containing tea extract to be treated is put into the main evaporator inner shell, and the main evaporator inner shell is airtightly connected with a main evaporator cap; the jacket is fixedly connected with a heat medium reflux opening and a heat medium inlet; a vapor outlet pipe is fixedly connected on the main evaporator inner shell; the vapor outlet pipe is fixedly connected with a main evaporator steam valve; the auxiliary evaporator shell is filled with an adsorptive substance, and is airtightly connected with an auxiliary evaporator cap; an auxiliary evaporator vent connecting pipe is fixedly connected on the auxiliary evaporator cap; and the auxiliaryevaporator vent connecting pipe is communicated with an auxiliary evaporator vent valve. Negative pressure is generated by adopting the adsorption method, so that negative pressure for negative pressure evaporation can be obtained without electricity, and the overcooking phenomenon occurring in the tea extract manufacturing process can be avoided.

The invention discloses a heating device capable of heating from a bottom part. The heating device comprises a base body (1) and an electrothermal film (2), wherein the electrothermal film (2) is arranged on the lower surface of the base body (1), and is prepared from the following components: stannic chloride, titanium trichloride, antimony trichloride, calcium dichloride, dichromium trioxide, manganese dioxide, nickel sesquioxide, isopropyl alcohol, ethanol and water; the components are mixed to prepare electrothermal film treating liquid; and the electrothermal film treating liquid is sprayed on the surface of the heated base body, and is annealed and processed into an electrode to obtain an electrothermal film product. The invention further discloses a heating method for the device. The heating device has the beneficial effects that the heating device is not easy to fall off; the upper temperature limit of the electrothermal film is improved; the heating base body rapidly heats; the heating rate and the electrothermal conversion efficiency are improved; the highest surface working temperature can reach 800-1,000 DEG C; the highest power density can reach 40W/cm<2>; and the service life reaches over 30,000 hours.

The invention provides a constant-temperature efficient heat-transfer pot, and belongs to the technical field of kitchenware. The constant-temperature efficient heat-transfer pot comprises an upper pot body and a lower pot body which are mutually cooperatively connected, a lateral opening is formed in the lateral wall of the lower pot body, and a safety device is arranged at the lateral opening. In use, clear water is injected into the lower pot body and heated to generated high-pressure water steam, the water steam heats food in the upper pot body through an upper pot bottom which is in the middle and capable of transferring heat, and steam flow generated in the lower pot body is adjusted through the safety device. According to the temperature-constant pressure pot, the heat-transfer mechanism of the heat-transfer pot is different from that of a general pot, and the heat-transfer pot transfers heat through the water steam, so that the heat-transfer speed is high, and the food is not likely to stick to the pot. The pot is composed of the upper pot body and the lower pot body, heating is conducted through the water steam of the lower pot body, and the upper pot body is uniformly heated. The safety device is arranged on the lateral side of the lower pot body, temperature can be adjusted, the temperature of the upper pot body can be controlled, and the phenomenon that the food inthe upper pot body sticks to the pot is avoided.