18results about How to "Avoid scorching" patented technology

The application belongs to the technical field of caffeine purification, and discloses a sublimation refining device for caffeine purification, which comprises a rack, a sealed box arranged on the rack, a material disc cooperatively connected to the bottom of the sealed box, and a main motor for providing rotary power; the main motor is drivingly connected with a main shaft longitudinally penetrating through the sealed box. The heat-conducting oil in the oil storage pipe is heated by the built-in electric heating rod, and the heat is conducted to the heat exchange pipe to form an internal heating structure. The heat exchange pipe is inserted into the material, and the serpentine structure increases the effective heat exchange area. The mechanical mixing action of the material turning frame continuously breaks the temperature boundary layer inside the material. This internal dynamic heat transfer mechanism ensures that the material is heated in a uniform state, avoids the coking or sticking phenomenon caused by local overheating, improves the heat transfer efficiency, and makes the caffeine sublimate in a stable thermodynamic state, thereby improving the overall material utilization rate and sublimation quality.

The application discloses an integrated tinning machine intelligent control method and system combined with data fusion, and belongs to the field of automatic control. The method comprises the following steps: a multi-dimensional data fusion sensing step, in which the copper-clad steel wire speed, acceleration, width, yaw displacement and rectifier feedback current are acquired; a dynamic current density model construction step, in which a theoretical current reference value is output based on the Faraday electrolysis law and real-time bath parameters; a transient feedforward compensation control step, in which a current compensation amount is calculated according to the acceleration and phase delay time constant, and a predictive current control instruction is generated; and a side effect cooperative optimization step, in which the anode plate position and shielding state are dynamically adjusted according to the width and yaw displacement. The application is suitable for complex production conditions and improves the automatic operation level of the tinning machine set.

The utility model discloses a balanced type oil injection atomization assembly and a heating atomization device thereof, the balanced type oil injection atomization assembly comprises two oil injection bottles, a shell and an atomization core, the two oil injection bottles are detachably connected with the shell and are symmetrically arranged relative to the shell, the shell is provided with an oil storage cavity, the atomization core is installed in the oil storage cavity, and the heating atomization device is installed on the shell. Two oil passing holes are formed in the side wall of the oil storage cavity, the two oil injection bottles are connected with the oil storage cavity through the oil passing holes, the oil storage cavity is filled with oil storage cotton, the oil passing holes are formed close to the bottom of the oil storage cavity, and the two oil passing holes are located in the two sides of the atomization core. In the embodiment of the utility model, the two oil injection bottles are arranged, the two oil injection bottles are communicated with the oil storage cavity through the two oil passing holes, the atomizing core is located between the two oil passing holes, and the oil injection bottles supply oil to the atomizing core in two directions, so that the oil supply speed of the atomizing assembly is increased; the atomization core is prevented from being burnt, the requirement that the atomization core emits heat to generate large smoke is met, and normal use of the atomization assembly is guaranteed.

The utility model discloses a honeycomb type low-temperature low-pressure energy-saving digester which comprises a digester body, a digester cover, a pressure thermometer used for measuring the pressure and temperature in the digester and more than two cylindrical digester containers used for containing materials, all the digester containers can be vertically arranged in the digester body together, the lower ends of the digester containers are closed, and the upper ends of the digester containers are open. The pot cover can cover the upper port of the pot body in a sealing mode, the pressure thermometer is arranged on the pot cover, and a pressure limiting valve and a safety valve are arranged on the pot cover. According to the utility model, more than two materials can be simultaneously cooked at low temperature and low pressure, the nutritional ingredients, taste and flavor of the materials can be better maintained, the energy consumed by cooking can be reduced, and the problems of over cooking and scorching of the materials can be avoided.

This invention provides a method for preparing crude sucralose using an improved alcohol-water alkaline hydrolysis system, relating to the field of fine chemical technology. Using an aqueous solution of crude sucralose-6-acetate as raw material, the method involves alkaline hydrolysis in an alkali metal hydroxide and methanol-water system. This process converts sucralose-6-acetate and sucralose ester impurities (sucralose diester and tetrachlorosucralose-6-acetate) in the crude sucralose-6-acetate aqueous solution into sucralose, significantly improving the sucralose yield. The invention employs multiple concentrations and multiple extraction-back-extraction processes between the ethyl acetate / water dual solvent system to achieve equilibrium between fat-soluble and water-soluble impurities. This avoids caramelization of sugars during concentration, ensures sufficient crystallization of sucralose in ethyl acetate, improves the sucralose yield, effectively separates inorganic salts from sucralose, and reduces the cost of treating subsequent high-salinity wastewater.

The utility model discloses a steam air fryer of up and down heating relates to air fryer technical field, including door component, the bottom shell is arranged in door component lower side, the bottom shell center is provided with the electric ceramic heating disc, a corner of bottom shell is provided with the steam hole, the bottom shell upside is provided with the air fryer cavity, the air fryer cavity upside is provided with the lower fan blade, the lower fan blade outer ring side is provided with the heating pipe. The utility model discloses the electric ceramic heating disc, heating pipe, upper fan blade, lower fan blade and motor that are arranged, make heating pipe and electric ceramic heating disc carry out the heating of food upper and lower side simultaneously, guarantee food even heating, and then guarantee the cooking effect.

This utility model relates to the field of drying equipment and provides a hot air drying device for dehydrated vegetables. It includes an outer cylinder and an inner cylinder installed inside the outer cylinder, both with openings at the top. The bottom and sides of the outer cylinder have air inlets and outlets, respectively. A fan structure is installed at the bottom of the inner cylinder. A circulation chamber is provided between the outer and inner cylinders. A first heating grid is located between the inner bottom of the outer cylinder and the inner cylinder, and a second heating grid is located between the inner top of the outer cylinder and the inner cylinder. The top of the outer cylinder has a removable cover, and the bottom of the cover has several trays at different heights. This device effectively solves the problem of uneven hot air distribution in existing drying equipment. The synergistic effect of the inner and outer cylinders ensures that the hot air is evenly distributed within the inner cylinder, avoiding over-drying and scorching of vegetables due to excessively high local temperatures. This not only significantly improves the quality of the dehydrated vegetables but also greatly shortens the drying time and increases drying efficiency.

The present application relates to the technical field of carbon black production, in particular to a kind of carbon black and its production process.The present application solves the problems of large viscosity of ethylene tar, incomplete cracking, poor dispersibility and surface inertness of carbon black.First, the raw oil is treated by decalin / NMP complex solvent and ultrasonic wave, then a ferrocene / potassium borate composite catalyst is added, and the double-stage atomization technology is combined with gradient temperature field for combustion cracking;In the reaction quenching section, the modified quenching liquid containing KH-550 and urea is sprayed in the specific temperature zone for in-situ grafting, and finally the finished product is obtained by alternating speed granulation and microwave fluidized drying;The prepared carbon black has the characteristics of high structure, high yield, low impurity and high surface activity, and has high application value in the field of rubber reinforcement and high-performance composite materials.

This application relates to the field of starch drying technology and discloses a hot water-type waste heat recovery system for starch drying, including a drying mechanism, a water tank assembly, and a heat exchanger. The drying mechanism includes a drying tank, and a drying ring is fixedly installed on the inner wall of the drying tank along its length. The inner wall of the drying ring is provided with a spiral cavity. This hot water-type waste heat recovery system for starch drying achieves a spiral flow path design of hot water within the cavity through the spiral cavity provided on the inner wall of the drying ring and the radially arranged inlet and outlet at the top and bottom ends. This extends the heat exchange time and enhances the heat conduction efficiency, ensuring uniform heating of the inner wall of the drying ring and effectively improving the uniformity of starch drying and the waste heat recovery utilization rate.

The invention relates to the technical field of food dehydration, in particular to raw material dehydration equipment based on food processing and a dehydration method. The device comprises a fixed base and a worm and gear type rotary drive arranged on the fixed base, a worm gear rotary table of the worm and gear type rotary drive is connected with a horizontally-arranged rotating plate, a supporting column is vertically arranged in the middle of the rotating plate, horizontally-arranged I-shaped steel penetrates through the upper portion of the supporting column and is connected with the supporting column, and a discharging mechanism is horizontally arranged below the I-shaped steel. The food dehydration device is convenient to operate, saves time and labor, is small in occupied area, can perform dehydration operation on food in batches, integrates cleaning, draining, spin-drying and baking, and adopts a rolling and baking combined mode to enable the food to be heated uniformly, so that the food is dehydrated in a short time, the dehydration effect is stable and uniform, and the dehydration efficiency is high. The condition that the food is burnt or not dried is avoided, the quality of the food is guaranteed, meanwhile, the food can be stored for a long time, and the problems existing in the prior art are solved.

The utility model relates to the technical field of peanut processing, and discloses a peanut processing frying furnace convenient for uniform stir-frying, which comprises a support plate, the bottom of the support plate is fixedly connected with support legs, the inside of the support plate is fixedly connected with a heating shell, the inside of the heating shell is fixedly connected with a heating rod, and the heating rod is fixedly connected with the bottom of the support plate. According to the peanut stir-frying machine, the servo motor is started to drive the stirring rod, the second gear, the first gear, the rotating column, the stirring plate and the bottom stirring plate to operate, peanuts in the stirring shell are driven to be stirred, and therefore the beneficial effect that the peanuts are evenly stir-fried is achieved, and meanwhile the stirring rod drives the peanuts at the bottom of the center of the stirring shell to move upwards; the position of the peanuts at the bottom is driven to change, so that the peanuts are uniformly stir-fried, and the condition that the local peanuts are not stir-fried can be avoided; the stirring rod drives the peanuts at the bottom to move upwards, so that the peanuts at the bottom are prevented from being overheated, the overall processing quality of the peanuts is guaranteed, and the charring phenomenon is avoided.

The invention discloses a novel drum-type electric oven, and relates to the technical field of food processing, the novel drum-type electric oven comprises a mounting bracket and an oven inner container, the oven inner container is of a drum-shaped structure with one side open and the other side sealed, the mounting bracket is connected with an outer shell, a heat preservation shell is arranged in the outer shell, and the oven inner container is located in the heat preservation shell. The sides, close to the opening, of the outer shell and the heat preservation shell are each provided with a material opening. A heating pipe is arranged in the oven inner container and connected with the heat preservation shell, and a gap exists between the heating pipe and the circumferential inner wall of the oven inner container. The installation support is connected with the power mechanism, and the power mechanism is located at the bottom of the oven inner container and used for driving the oven inner container to rotate. Positioning rings are arranged on the two sides of the oven inner container. The device is suitable for attached baking of food such as crusty pancake blanks and flour cakes, non-contact uniform heating is achieved by arranging the heating pipe on the upper half portion of the inner container and keeping a gap between the heating pipe and the inner wall, materials are effectively prevented from being burnt, and the device has the advantages of being uniform in heating, reliable in structure, capable of preserving heat, capable of saving energy and convenient to operate.

The utility model relates to the technical field of corn processing, and discloses a high-temperature sterilization device for sweet corn processing, which comprises a main plate, the top of the main plate is fixedly connected with a supporting column, the top of the supporting column is fixedly connected with a heating device, the top of the main plate is fixedly connected with a connecting plate, and the side wall of the connecting plate is rotatably connected with a barrel body. The barrel body is located in an inner cavity of the heating device, the side wall of the connecting plate is rotationally connected with a rotating column, the rotating column extends into the inner cavity of the barrel body, and the side wall of the rotating column is fixedly connected with multiple sets of stirring plates; according to the high-temperature sterilization device for sweet corn processing, heating and high-temperature sterilization are conducted on corn in the inner cavity of the barrel body through the heating device, meanwhile, the rotating column drives the stirring plate to rotate, the stirring plate rotates to stir the corn, corn kernels can be repeatedly mixed in cooperation with the rotating barrel body, uniform heating is facilitated, and high-temperature sterilization is conducted; the inner wall of the barrel body can be scraped when the stirring plate rotates, so that the corn kernels are prevented from staying on the inner wall of the barrel body for a long time and being burnt.

This utility model discloses a novel drawer oven, relating to the field of oven technology. The technical solution includes: a shell, a cabinet fixedly mounted on the top of the shell, a drawer rack fixedly mounted inside the cabinet, a heating module installed inside the cabinet, two drawer assemblies inside the cabinet, and a control assembly and an exhaust assembly inside the cabinet. Each drawer assembly includes an oven drawer, located on top of the drawer rack, with one side extending outside the cabinet. A placement tray is located inside the oven drawer. The advantages of this utility model are: through the cooperation of the control assembly and the drawer assembly, the placement tray inside the oven drawer can rotate automatically, allowing the food to continuously change position during baking, thus ensuring even heating and preventing burning or undercooking. The exhaust assembly, through the design of a blower and air duct, can promptly remove heat from inside the oven, preventing excessive heat from damaging the oven or affecting the cooking effect.

The utility model discloses a tea leaf roasting machine, which relates to the technical field of tea leaf processing and comprises an outer cylinder, the outer cylinder is mounted on a rack and is of a cylinder structure with two open ends, and a dust discharge port is formed in the bottom wall of the outer cylinder; the drum screen is of a drum structure with openings in the two ends and is coaxially arranged in the outer drum, and the two ends of the drum screen extend to the outer side of the outer drum; the drum screen is rotationally connected into the outer barrel through a driving assembly, and a cavity is formed between the outer side wall of the drum screen and the inner side wall of the outer barrel. A plurality of heat conduction ribs are arranged on the inner wall of the drum screen in the axial direction of the drum screen. A plurality of guide vane rulers extending towards the interior of the drum screen are fixed to a port of one end of the drum screen. The hot air assembly is located on the outer side of the outer barrel, the hot air outlet end of the hot air assembly is communicated with the cavity, the drum screen and the outer barrel are arranged, tea leaves and tea dust can be separated in the rotating process of the drum screen, the tea dust can be conveniently cleaned through the dust discharging opening, and the hot air assembly and heat conduction ribs in the drum screen are jointly matched, so that the tea leaves are evenly heated, and the tea leaf quality is improved.

The present application relates to a kind of multifunctional cooking machine, including stove, cooker, pot cover and cover mechanism, pot cover is equipped with stirring motor and is connected with stirring motor through vertical pivot shaft and pot spoon component, cooker is isolated into inner cooking area and outer cooking area by circular isolation ring, pot spoon component includes spatula connected in vertical pivot shaft through first connecting arm and located in outer cooking area and several chopsticks connected in vertical pivot shaft through second connecting arm and located in outer cooking area, spatula is connected to first connecting arm and can be lifted so that spatula is in contact with the bottom surface of outer cooking area under the action of weight, stove is equipped with first heater and second heater, which are connected together in parallel to heat inner cooking area and outer cooking area respectively.The present application has the advantage of being able to cook in two modes, solving the problem that existing cooking machines can only cook in one mode at a time.

The utility model relates to the technical field of biomass granule processing, and disclose a drying device for biomass granule production, including the machine case, the inner wall rotation of machine case is connected with drying cylinder, and the surface of drying cylinder is provided with the ventilation hole, and the ventilation cavity is reserved between machine case and drying cylinder, and the left end and right end of drying cylinder reserve feed port and discharge port respectively. The drying device for biomass granule production adds biomass granule to the inside of drying cylinder, in the process of drying cylinder rotation, the air is driven to enter the inside of ventilation cavity by using the blast fan, and the airflow enters the inside of drying cylinder by the ventilation hole after heating by electric heating net, realize the drying effect to biomass granule, and then the wet hot air is discharged by the exhaust fan under the action of the exhaust fan, and through the heat exchange preheating component, the part of heat in the discharged wet hot air can be recycled, and then the air entering the air inlet pipe is preheated, realizes the cyclic utilization of heat energy, improves the utilization rate of heat energy.