45 results about "Boiling process" patented technology

The invention discloses a gelatin solution temperature control optimization method for donkey-hide gelatin processing, and belongs to the technical field of swarm intelligence optimization. Comprising the steps that a gelatin solution temperature closed-loop PID control system in the donkey-hide gelatin decocting process is constructed, an improved side hand spider turning optimization algorithm is configured to serve as a parameter setting core, the self-adaptive setting process of PID control parameters is executed, and a global optimal control parameter vector obtained through optimization is mapped to a donkey-hide gelatin solution temperature PID controller module. The method focuses on the PID parameter setting problem of donkey-hide gelatin liquid temperature control, introduces the improved side hand turning spider optimization algorithm as a swarm intelligence algorithm to set the donkey-hide gelatin liquid temperature PID control parameters, and can effectively overcome the defect that the side hand turning spider optimization algorithm is easy to fall into local optimum. And the temperature of the donkey-hide gelatin liquid can be controlled more excellently.

A two-phase immersion cooling system for integrated circuit assemblies may be formed utilizing a heat dissipation device thermally coupled to at least one integrated circuit device, wherein the heat dissipation device includes at least one surface and at least one projection extending from the at least one surface, wherein the at least one projection includes at least one sidewall, and wherein the at least one sidewall of the at least one projection includes at least one surface area enhancement structure. Utilizing such a heat dissipation device can boost nucleate boiling, improve boiling performance, reduce superheat required to initiate boiling, boost the critical heat flux during boiling, and can translate to a greater number of integrated circuit devices / packages that can be placed into a single immersion cooling system.

The invention relates to the field of beer brewing, and particularly discloses high-stability turbidity beer and a brewing method thereof. The invention relates to a brewing method of high-stability turbidity beer, which comprises the following steps: mixing barley malt, wheat malt and oat, crushing, adding water into the crushed material, heating, saccharifying, and filtering to obtain wort; boiling the wort, and adding humulus lupulus in the wort boiling process; after boiling is finished, carrot leaf powder accounting for 0.5-1% of the weight of the wort is immediately added, after the wort is cooled, oxygen is filled and sent into a fermentation tank, fermentation yeast is added, fermentation is conducted for 8-10 d at the temperature of 20-25 DEG C, wine liquid obtained through fermentation stands for 24-48 h at the temperature of 0-2 DEG C, then tank pouring, ultrahigh-pressure treatment and low-frequency ultrasonic treatment are conducted, sterile carbon dioxide is supplemented into the wine liquid, bottling and capping are conducted, and the finished product is obtained. The beer brewed by the method disclosed by the invention is mellow in flavor, harmonious in fragrance, stable in turbidity and not easy to generate precipitates.

The application discloses a full-automatic milk boiling pot capable of automatically boiling milk without overflowing, which comprises a pot body, a handle, an inner tube, a movable rod, a pot cover, a pressure sensor, a gas permeation hole, a control button panel, an interface, a bottom plate, an insulating plate, a heating disc, a control panel, a fixing column, a supporting block, a discharging cylinder, a connecting pipe, a rack, a temperature sensor, a servo motor, a gear, a first missing groove, a second missing groove, a trapezoidal plug, a guide rod, a first spiral spring, a guide plate, a guide hole, an iron plate, an electromagnet, a fixing frame, a liquid level sensor, a circular ring groove, a connecting rod, a straight cylinder, a discharging hole, a piston ring, a fixing ring, a second spiral spring, a lower blocking ring, an upper blocking ring, a third spiral spring and a gate plate. The application has the advantages of being used for automatically boiling milk, and compared with the traditional technology, the pot cover can be automatically opened during the milk boiling process, the foaming caused by the boiling of the hot milk cannot be discharged, the foaming foam can automatically fall down, and the overflow can be avoided.

The cooking cage structure comprises a plurality of cooking cage frames, the cooking cage frames are stacked in the height direction, and each cooking cage frame is provided with an open rice dumpling containing cavity; supporting columns are arranged on the surfaces, provided with the rice dumpling containing cavities, of the cooking cage frames, the cooking cage frame located on the top layer is detachably provided with an anti-floating cover through the supporting columns, hanging and connecting pieces are arranged on the peripheral side of the anti-floating cover, and the anti-floating cover is connected to the cooking cage frames through the supporting columns and the hanging and connecting pieces. The detachable anti-floating cover covers the cooking cage frame on the top layer, so that the rice dumplings in the cooking cage frame on the top layer are prevented from floating in the water cooking process, the rice dumplings on the top layer are completely immersed in water and are uniformly heated, and the taste of the rice dumplings is improved; the anti-floating cover is detachably installed on the cooking cage frame on the top layer through the hanging pieces and is matched with the supporting columns to achieve rapid positioning and installation, and the working efficiency is improved.

The invention provides a high-temperature steam system and method based on waste heat recovery and vinasse recycling, belongs to the technical field of steam systems, and can solve the problems that when an existing steam system is applied to the brewing industry, a large amount of primary energy needs to be consumed, and brewing by-products are not sufficiently utilized. According to the technical scheme, the waste heat recovery assembly comprises a heat exchanger, a high-temperature heat pump unit, a heat storage tank, a high-temperature steam heat pump unit and a condensate water tank; the vinasse recycling assembly comprises a biogas steam boiler, a double-membrane gas holder and an anaerobic bioreactor. According to the system, industrial by-products of a brewing factory can be comprehensively recycled, high-temperature steam required by a boiling process of the brewing factory is provided while secondary steam generated by a boiling pot, low-grade waste heat of the factory and brewing waste are recycled, and the energy utilization efficiency of the system is improved; a novel high-efficiency, low-carbon and energy-saving high-temperature steam system is provided for a brewing factory.

A multi-fidelity topological optimization method, system, device and medium for a microchannel flow boiling process, and the method comprises the steps: firstly carrying out low-fidelity topological optimization on a single-phase laminar flow convective heat transfer process to generate a group of candidate topological optimization structures; then calculating the speed, temperature and two-phase distribution in a single-phase heat transfer process and a flow boiling heat transfer process on the basis of a high-fidelity flow boiling numerical model, and constructing a novel objective function capable of reflecting flow boiling heat transfer characteristics on the basis of leading factors of the flow boiling heat transfer problem in the microchannel; and finally, directly generating a topological optimization structure under a low-fidelity condition based on the new objective function. Aiming at the defect that an existing topological optimization algorithm cannot directly optimize the flow boiling heat transfer problem, rapid and accurate multi-fidelity topological optimization is realized by constructing a novel objective function capable of reflecting the flow boiling heat transfer characteristics; according to the designed topological optimization structure, local hot spots are eliminated, thermal resistance is reduced, and temperature uniformity is improved.

The utility model relates to food processing field, specifically is a kind of boiling device for candy production, including fixed frame, the top of the fixed frame is fixedly connected with heating shell, the inner wall of heating shell is provided with heating pot, it is provided with several heating wires between heating shell and heating pot, the side fixed mounting of fixed frame is equipped with control panel, heating wire and control panel are electrically connected between, the top of heating shell is fixedly connected with protective cover, the top of protective cover is fixedly connected with feeding mechanism, the top of protective cover is equipped with the feeding hole of feeding mechanism cooperation use, the top of protective cover is equipped with water injection hole;The utility model pass through the feeding mechanism of top, raw material stirring and feeding function are combined into one, staff need not to carry out the tedious raw material handling operation, solve the problem that raw material stirring and boiling process are independent, it is difficult to flexibly adjust the discharge amount in discharging process.

The invention provides an intelligent monitoring method and system for identifying a boiling heat exchange state based on a sound signal, and the method comprises the steps: obtaining a sound signal in a boiling process, and carrying out the preprocessing, and obtaining a preprocessed sound signal; combining Bayesian online change point detection and a state space model to construct a boiling state recognition model; based on the boiling state recognition model, the preprocessed sound signals are classified and recognized, a boiling state label is obtained, and intelligent monitoring of the boiling heat exchange state is completed. The method has the advantages of non-contact, high real-time performance and strong robustness, is suitable for boiling heat exchange state monitoring and energy efficiency optimization under complex or extreme working conditions, and has good engineering practical value and popularization prospect.

The application discloses a cooking utensil control method and a cooking utensil. The cooking utensil comprises a pot, a steamer, a top temperature sensor for sensing the temperature of the top of the cooking cavity, a bottom temperature sensor for sensing the temperature of the bottom of the pot, and a heating device. The steamer is arranged to be removably supported in the pot, and the steamer is provided with a steamer through hole to enable water in the pot to enter the steamer through the steamer through hole; the heating device is arranged below the pot to heat the pot. The control method comprises: providing a cooking procedure for cooking low-sugar rice, which comprises a preparation process, a boiling process and a boiling maintenance process in sequence; in the boiling process, water in the pot is caused to enter the steamer for the first time, and the boiling process is ended when the temperature of the top is greater than the rice soaking temperature; the boiling maintenance process is used to cause the water in the pot to wash the rice in the steamer. The rice soaking temperature is determined according to the temperature of the top and the temperature of the bottom obtained in the preparation process without heating.

The utility model relates to the field of candy processing, and discloses a candy deep processing boiling and stirring device which comprises a base, a fixed rack is arranged on the base, a boiling and heating pot is arranged in the rack, a lifting mechanism for driving the boiling and heating pot to slide is arranged on the fixed rack, and an adjusting plate is slidably connected to the position, above the boiling and heating pot, in the fixed rack. The fixed rack is provided with a reciprocating mechanism for driving the adjusting plate to slide, the bottom surface of the adjusting plate is rotatably connected with a connecting turntable, the adjusting plate is fixedly connected with a first motor for driving the connecting turntable to rotate, and the lower end of the connecting turntable is fixedly connected with a telescopic sleeve; the lower end of the telescopic sleeve is fixedly connected with an arc-shaped scraping plate attached to the inner wall of the boiling and heating pot, and a reset spring matched with the main stirring rod is fixedly connected into the telescopic sleeve. Compared with the prior art, the utility model has the advantages that the condition that the part in contact with the pot wall is burnt in the boiling process can be prevented, and the taste of candies is greatly improved.

The invention provides a transient heating visual pool boiling experiment device and experiment method, and belongs to the technical field of pool boiling experiments. The problems that an existing pool boiling experiment device has the defects of insufficient heat flow transient control means, incomplete heating surface temperature measurement, limited visual observation capacity and the like, and heat transfer and flow mechanisms in the pool boiling process are difficult to comprehensively reveal are solved. The experimental device comprises a boiling cavity, a heat flow generation device, a self-adaptive temperature control device, a data acquisition device and a cooling circulation device, the boiling cavity contains a boiling heat exchange working medium, the heat flow generation device comprises a programmable direct-current power supply, a PCB and a heat flow generator, a resistance heating circuit is integrated on the heat flow generator, and the resistance heating circuit is connected with the self-adaptive temperature control device. The heat flow generator is packaged on the PCB circuit board to achieve circuit butt joint, the programmable direct current power source is connected with the PCB circuit board, and the PCB circuit board is connected in the boiling cavity in a sealed mode. The device is mainly used for a visual pool boiling experiment.

The utility model discloses a full-automatic boiled ball production line, and relates to the technical field of ball production, and the full-automatic boiled ball production line comprises two groups of ball boiling mechanisms which are stacked in the vertical direction, and each ball boiling mechanism comprises a boiling pool, a heating resistor, a blocking net plate, a flow guide cover, a water circulation assembly and a ball lifting assembly; a water inlet pipe and a water outlet pipe are fixedly arranged on the back face of the water boiling pool in a penetrating mode, the multiple heating resistors are evenly and fixedly arranged at the bottom of the inner side of the water boiling pool, and the blocking net plate is fixedly arranged at the top of the inner side of the water boiling pool. According to the utility model, the occupied area required for installation can be reduced, meanwhile, the blocking net plate is used for blocking balls in the water boiling process, so that the balls are continuously located under the water surface, the water boiling efficiency is ensured, the time required for water boiling is shortened, the energy consumption is reduced, and the actual use effect is better.

The invention discloses a boiling and stirring device for gelled candy production and a stirring process thereof, and relates to the technical field of candy production and processing.The boiling and stirring device comprises a boiling tank body, a steam jacking assembly, a rotating shaft assembly and a wall wiping assembly, and a motor mounting frame is fixed to the top of the boiling tank body; the steam jacking assembly is arranged at the top of the boiling tank body, the rotating shaft assembly comprises an extension shaft rotationally connected to the top of the boiling tank body, and a driving motor is fixed to the top end of the extension shaft; the height and form of the stirring component can be automatically adjusted according to liquid level drop and steam pressure change (air pressure reduction caused by steam reduction) in the boiling process; in the early stage of boiling (high liquid level / high vapor pressure), the floating disc floats upwards, and the stirring swing plate is unfolded to expand the stirring range; in the later boiling stage (low liquid level / low steam pressure), the floating disc sinks, and the stirring swing plate is folded to the bottom of the tank for concentrated stirring. The problems that traditional equipment is insufficient in stirring and prone to bottom pasting due to liquid level reduction in the later period of boiling are solved.

The application discloses a cocoon boiling rotary tank body and tank cover sealing device, a control method and an operation method, and mainly comprises a cocoon boiling rotary tank body and tank cover sealing device which is composed of four parts of a tank body device, a tank cover, a tank cover track and a pressing device, wherein the tank body device comprises a tank body rotating shaft Q1, a tank body, a tank opening flange and a tank body rotating motor; the existing cocoon boiling tank is improved to form the cocoon boiling rotary tank body and tank cover sealing device, the cocoon boiling control process is realized by controlling the cocoon boiling rotary tank body and tank cover sealing device, and the rotary tank body positioning control method is completed; the actuation cooperation between the tank body device and the tank cover is realized based on the cocoon boiling rotary tank body and tank cover sealing device; in the cocoon boiling process, the tank cover is driven by the tank body to run in the tank cover track, the cocoon boiling rotary tank body and tank cover sealing device operation method is realized, and thus the sealing and separation between the tank cover and the tank body can be automatically completed.

This utility model relates to a boiling device for rapid-cooking sea cucumber processing, including a boiling tank. A bracket is fixedly installed on the boiling tank, and a rotating mechanism and a drying mechanism are installed on the bracket. The rotating mechanism includes a first cylinder, which is fixedly installed at the top of the bracket. The piston rod end of the first cylinder passes through the bracket and is fixedly installed with a receiving plate. A rotating rod is rotatably connected to the bottom end of the receiving plate, and a box is fixedly installed at the bottom end of the rotating rod. The inner wall of the box has a through hole. By setting up the rotating mechanism, the sea cucumber is rotated, which helps to accelerate the boiling process. By setting up the drying mechanism, the boiled sea cucumber can be dried by air blowing, and the air blowing angle is adjustable.

The application discloses a glass water boiling and slicing device, which comprises a furnace, a carrier and a heating unit. The furnace comprises a furnace body and a furnace cover. The carrier comprises an upper carrier body and a lower carrier body which form a carrying space. The upper carrier body is arranged on the furnace cover, and the lower carrier body is reversely installed in the furnace body around the horizontal direction. The glass water boiling and slicing device further comprises a floating object collecting unit. In one aspect, the upper and lower carrier bodies cooperate to place the glass carrier in the carrying space. Based on the floating of the upper carrier body and the overturning movement of the lower carrier body, the glass floats up and down synchronously with the boiling of the liquid in the furnace during the water boiling process, so that the liquid in the furnace can permeate and decompose the film between the glasses, and the success rate of glass slicing is effectively improved. In another aspect, based on the overflow of the liquid in the furnace body from the self-heating cavity to the fishing cavity, and under the fishing of the fishing claws along the overflow direction, the floating objects on the liquid surface in the furnace body are fished and collected, the floating objects on the liquid surface are effectively reduced, and the probability of the secondary adhesion of the floating objects to the glass surface during the slicing and material taking is significantly reduced.

The application discloses a wort boiling process in beer production, comprising the following steps: S1, the wort obtained after filtration enters a boiling kettle, and the wort is boiled to 98±0.5 DEG C by using steam introduced into the upper layer and the lower layer of the boiling kettle; S2, the wort is continuously boiled by using steam, and nitrogen is blown into the boiling kettle until all the wort obtained after filtration enters the boiling kettle; S3, the steam introduced into the lower layer of the boiling kettle is stopped, the wort is heated to boiling by using the steam introduced into the upper layer, and nitrogen is blown into the boiling kettle; wherein, the total amount of steam introduced into the boiling kettle is 3000-6500 kg, the total time of steam introduction is 80-90 minutes, and the total amount of nitrogen is 35-130 kg. 3 The wort boiling process in beer production adopts nitrogen to replace part of steam, reduces the use of steam, and thus the purpose of saving steam is achieved, and the production cost is reduced.

The utility model relates to cooking integrated equipment which comprises a barrel body, a barrel cover, an inner container, a hanging bracket, a driving mechanism, a guide mechanism and a heating device. The driving mechanism is arranged on the barrel cover, connected with the hanging bracket and used for driving the hanging bracket to drive the inner container to ascend and descend in the barrel body, so that the barrel body has a high-position steaming position and a low-position boiling position. According to the utility model, the automatic conversion of steaming and boiling processes of materials in the same equipment is realized, the occupied space of the equipment is reduced, manual carrying is avoided, the production efficiency is improved, and the risk of product damage is reduced.

The utility model relates to the technical field of kitchen appliances, in particular to an electric kettle which comprises a kettle body and a kettle cover. The kettle cover comprises a lower cover connected with a kettle opening of the kettle body; the lower cover is provided with at least one steam hole; the middle cover is connected with the lower cover, an exhaust cavity is defined by the middle cover and the lower cover, and the steam hole is communicated with the kettle opening and the exhaust cavity; the middle cover is provided with at least two exhaust channels; the upper cover is connected with the middle cover; the upper cover is provided with at least two groups of exhaust holes, and the group number of the exhaust holes is the same as that of the exhaust channels; the kettle opening, the steam hole, the exhaust cavity, the exhaust channel and the exhaust hole form at least two exhaust paths. According to the electric kettle, at least two exhaust channels are formed in the middle cover, at least two sets of exhaust holes are formed in the upper cover, so that at least two exhaust paths are formed, steam can be quickly exhausted in the water boiling process, the pressure in the kettle is reduced, water in the kettle nozzle is prevented from being sprayed out under pushing of the pressure in the kettle, and the risk that a user is scalded is reduced.

A waxy rice lager beer manufacturing method, the present application relates to beer brewing technical field, by the moderate crushing of malt, soft water section control temperature saccharification high efficient decomposition of high molecular protein, improve the saccharification efficiency; then normal pressure slow filtration wort after adding wine brewing, 78 DEG C wash the chaff, make the wine brewing and wort deep integration; wort boiling and pH adjustment; boiling process in turn add waxy rice aroma leaf once, add hops twice, make the bitterness and aroma separation release, both ensure that the wine body has bitterness support, also keep the fresh hop aroma; then wort cooling after entering the sealed tank, add activated yeast, pass sterile gas, pressure fermentation 1-2 weeks; temperature gradient cooling 1 DEG C per day to 0 DEG C, low temperature storage 3-6 weeks natural clarification, avoid yeast rupture, destroy the beer refreshing taste, produce miscellaneous flavor, promote the slow and stable fusion of alcohol and flavoring material. Solve the traditional lager beer process in the single flavor, auxiliary material fusion difference, the problem of low standardization of process such as insufficient clarity.

The present application relates to the technical field of soft candy production, in particular to a vacuum low-temperature boiling process and equipment for heat-sensitive functional soft candy, comprising a supporting assembly, a heating assembly and a sealing assembly, wherein the supporting assembly comprises a bottom plate, a side plate, a top plate, a lifter, a lifting plate and a supporting plate; the vacuum low-temperature boiling process and equipment for heat-sensitive functional soft candy is characterized in that the sealing assembly adopts a "vacuum generator + sealing ring" structure, the vacuum degree in the heating box is quickly extracted to -0.06~‑0.09MPa, the boiling point of the material is reduced, low-temperature boiling at 60‑75℃ is realized, and the inactivation of heat-sensitive components such as probiotics and vitamins caused by high temperature is avoided; the angle adjusting assembly adopts a servo motor to drive a worm gear transmission, which drives the heating box to freely roll around the hinged shaft; when loading, the heating box can be rolled to an inclined state, which facilitates the pouring of the material; when discharging, the heating box is inclined by 30‑45°, and uniform discharging is realized in cooperation with the flow guide plate, thereby solving the problem of inconvenient loading and unloading of the traditional equipment.

This invention discloses a high-efficiency passive heat dissipation system based on particle movement, belonging to the field of enhanced boiling heat dissipation. By arranging movable particles at the bottom of the boiling pool, boiling heat transfer is promoted, and the particle movement enhances flow field disturbance and strengthens boiling. The kinetic energy of phase change steam drives the circulation of the working fluid to achieve passive heat dissipation. The microparticles contain a hydrophilic porous structure, maintaining a liquid-wetted state during the boiling phase change heat transfer process, ensuring adhesion and migration to the phase change interface during boiling. The movable particles provide vaporization nuclei for the boiling zone at the heat source point within the boiling pool, carrying heat into the fluid region, thereby enhancing boiling heat transfer. The particle movement causes disturbance to the fluid within the boiling pool; falling particles disrupt large bubbles and vapor films on the heating surface, accelerating bubble detachment and delaying vapor film formation. Simultaneously, this increases the temperature in the fluid region, achieving a continuous boiling effect in the fluid region.

The application is suitable for brown sugar production technical field, and provides a sugar boiling equipment for producing brown sugar, which comprises a base plate, a base box is arranged on the base plate, a sugar boiling tank is arranged on the base box, a tank cover is arranged on the sugar boiling tank, an inner container is arranged in the sugar boiling tank, a heating device is arranged on the sugar boiling tank and is in contact with the inner container, a pushing mechanism is arranged in the inner container and can move to push the sugar liquid out when the sugar boiling tank is poured, a stirring mechanism for stirring brown sugar material is arranged in the inner container, and a pouring mechanism is arranged on the base box and is used for controlling the pouring of the sugar boiling tank. The sugar boiling equipment for producing brown sugar and the sugar boiling process provided by the scheme solve the problems of the current brown sugar boiling processing, such as the sugar liquid pouring being troublesome and laborious and the low efficiency.

The invention relates to the technical field of beer brewing, in particular to a manufacturing method of glutinous rice lager beer, which comprises the following steps: moderately crushing malt, adding soft water, performing segmented temperature control saccharification to efficiently decompose high-molecular protein, and improving the saccharification efficiency; slowly filtering wort under normal pressure, adding fermented glutinous rice, and washing grains at 78 DEG C, so that the fermented glutinous rice and the wort are deeply fused; boiling the wort and adjusting the pH value; in the boiling process, the sticky rice myrcia is added once and the hops are added twice in sequence, so that the bitter taste and the fragrance are separated and released, the bitter taste support of the wine body is ensured, and the fresh hops fragrance is reserved; cooling the wort, adding the cooled wort into a sealed tank, adding activated yeast, introducing sterile gas, and carrying out pressure-maintaining fermentation for 1-2 weeks; the temperature is reduced by 1-0 DEG C in a gradient manner every day, and the beer is naturally clarified after being stored at low temperature for 3-6 weeks, so that yeast rupture, beer refreshing taste damage and foreign flavor generation are avoided, and slow and stable fusion of alcohol and flavor substances is promoted. The invention solves the problems of single flavor, poor auxiliary material fusion, insufficient clarity and low process standardization in the traditional lager beer process.

The invention provides a control method of soft sweet production equipment for food processing, which is applied to the technical field of food processing, and comprises the following steps: directly acquiring real-time spectral data of a material in a processing container through a spectrum detection unit, analyzing according to the real-time spectral data to obtain a real-time characteristic index representing the activation state of the material, and then calculating the activation state of the material according to the real-time characteristic index; the deviation value between the real-time characteristic index and the preset target characteristic index is calculated, and the deviation degree of the material activation state and the ideal state is accurately reflected. And finally, determining a final execution compensation value according to the deviation value, and superposing the final execution compensation value into the basic heating control instruction so as to adjust the output power of the heating assembly, thereby realizing closed-loop feedback control of the activation state of the material, ensuring that the novel gelatinizing agent can reach an accurate activation degree in the boiling process, and improving the boiling quality of the novel gelatinizing agent. The soft sweet forming machine has the beneficial effect of ensuring the consistency of soft sweet products in texture, elasticity and forming effect.

This invention provides a method and system for data acquisition and precision calibration of a guide shield adjustment process, relating to the field of automation control technology. The method includes: acquiring real-time height and position data of the guide shield during the saccharification and boiling process; combining this data with synchronously acquired process parameters to generate an initial state vector with process identifiers; comparing this initial state vector with a target state vector in a preset process formula to extract initial deviation values ​​in each dimension, forming a control deviation vector; determining the positions of multiple key sections of the guide shield based on the control deviation vector, and acquiring flow rate and temperature parameters at each key section to form a set of control base point data with spatial coordinates; and mapping the control base point data to a three-dimensional feature space composed of height, flow rate, and temperature to construct multiple dynamic control prisms. This invention enables accurate data acquisition and high-precision closed-loop calibration during the guide shield adjustment process.

The invention provides a visual pool boiling experiment device capable of realizing magnetic field regulation and control and an experiment method thereof, and belongs to the field of pool boiling experiment devices. The device mainly solves the problem that an existing device is difficult to apply a magnetic field in the experiment process. The device comprises a boiling cavity, a magnetic field control device, an auxiliary heating device, a heat flow generation device, a heat preservation device and a data acquisition device, an optical window is arranged on the boiling cavity, the auxiliary heating device maintains the temperature of a boiling working medium in the cavity, and temperature information is fed back in real time through a thermocouple fixed to the surface of a heat conduction rod. The magnetic field control device is used for applying different magnetic field conditions to the heat transfer surface in the boiling cavity in the boiling process. According to the invention, the magnetic field parameters applied in the boiling process can be adjusted, and the bubble behavior image in the boiling process is collected through the optical window. The invention aims to cooperate with the magnetic nanofluid to regulate and control the surface boiling heat transfer characteristic, so as to research the influence of different magnetic field parameters on the boiling heat transfer characteristic.

The invention discloses a multi-stage temperature control rock sugar boiling device and technology for sugar preparation. The device is formed by interconnection of module processes such as dissolution and pretreatment, multi-section temperature-control boiling / concentration, vacuum collaboration, online quality sensing, seed crystal interface, crystallization interface, defoaming and degassing, energy recovery and central control and the like. According to the process, temperature-time-vacuum segmented combined control is carried out, and in-segment closed loop and inter-segment switching are realized by taking online Brix and temperature as main criteria, so that syrup is ensured to be in a target window before crystallization. According to the scheme, while the transparency, color value and crystal size distribution consistency of rock candy are improved, flavor loss and energy consumption are reduced, the method is suitable for smooth butt joint with an existing vacuum crystallization tank or crystallization tank, and formulated and traceable industrial production is achieved.

The utility model relates to an electric kettle capable of switching power. In the actual water boiling process, drinking water can be poured into the kettle body, then power is supplied through the power supply mechanism, the current flows to the elastic pressing piece through the shunt current-conducting plate to reach the first circuit, power is supplied to the heating element through the first circuit, and then the drinking water is heated through the heating element; the sliding switch can slide, so that the sliding switch relieves pressing on one elastic pressing piece and presses the other elastic pressing piece through pressing protrusions which are arranged in a staggered mode, the other elastic pressing piece is connected with a second circuit, then current is led to the second circuit through the other elastic pressing piece, and output voltage is adjusted through an adjuster. And then power is supplied to the heating element through the adjusted current, so that the power of the electric kettle can be conveniently switched according to different use scenes, and the electric kettle can be better suitable for more scenes.