102 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 utility model relates to the technical field of dried bean curd processing, and discloses a juice boiling device for dried bean curd processing, the juice boiling device for dried bean curd processing comprises a base, a processing tank, a top cover, a feeding groove, a heating device, a temperature controller, an exhaust hole, a discharging groove, a heat preservation layer, a discharging port and a filter screen, the processing tank is arranged at the upper end of the base, the exhaust hole allows hot steam to escape, and the top cover is arranged at the lower end of the base. And the heat conduction layer helps the heat of the heating device to be uniformly distributed in the processing tank, so that the heat efficiency is improved. According to the juice boiling device for dried bean curd processing, the overall efficiency and the product consistency are improved, firstly, an automatic control system of the device comprises a temperature controller and an electric stirring mechanism, it is guaranteed that the temperature and the stirring speed of marinade are constant in the whole boiling process, the flavor and quality consistency of the marinade is guaranteed, the number of variations of manual operation is reduced, and the production cost is reduced. Therefore, the production efficiency is improved, and the labor cost is reduced.

The utility model provides a composite synergistic soft sweet boiling device, belongs to soft sweet production technical field, the boiling device comprises a boiling pot and a stirring mechanism, the boiling pot comprises an inner pot body, a jacket and an outer pot body, the jacket is arranged on the outer wall of the inner pot body, and the outer pot body is arranged on the outer wall of the jacket. A steam inlet and a steam outlet are formed in the jacket, and the steam inlet is externally connected with a steam supply system. The stirring mechanism comprises a stirring paddle and a driving device, the stirring paddle is arranged in the inner tank body, the driving device is arranged at the top of the outer tank body, and the output end of the driving device is fixedly connected with the stirring paddle. According to the boiling device, the inner tank body is heated through steam, uniform heating in the boiling process can be achieved, the phenomena of local overheating and pot pasting in the soft sweet boiling process can be effectively avoided, and the production quality of soft sweets is guaranteed.

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 invention relates to a combined strengthening method of critical heat flux density and a visual experiment device, after a water glass nano solution is uniformly sprayed on a boiling wall surface, the water glass nano solution is further heated until the water glass nano solution on the boiling wall surface is bubbled and solidified on the boiling wall surface, a nano-particle coating is obtained after polishing, a specific dropper device is adopted in the boiling process, and the water glass nano solution on the boiling wall surface is solidified on the boiling wall surface. The supercooled liquid is dropwise added on the boiling wall surface, the critical heat flux is accurately measured by adopting a visual experimental device, and the critical heat flux strengthening mechanism is verified by shooting images. The prepared nano-particle coating is high in porosity, the hydrophilicity of the boiling wall surface can be remarkably improved, the dropper device is simple in structure and low in cost, formation of irreversible dry spots can be inhibited, and the critical heat flux density is improved through the superposition effect of the two methods. The device is low in cost, easy and convenient to operate, high in expansibility and capable of being rapidly applied to boiling wall surfaces made of different materials. A pool boiling experiment device is adopted as the visual experiment device, and the mechanism and the effect of critical heat flux density strengthening are verified.

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 utility model relates to the related technical field of kitchen utensils, in particular to a multifunctional electric heating marinating and boiling pot which comprises a shell, a pot edge is fixedly connected to the upper surface of an inner container, a fishing mechanism is arranged on the inner side surface of the pot edge, and a stirring mechanism is arranged on the outer side surface of the pot edge. According to the multifunctional electric heating marinating and boiling pot, through the arrangement of the stirring mechanism, when food materials need to be stirred in the marinating and boiling process, a driving motor is started to drive a stirring rod to rotate synchronously, and stirring blades fixedly connected to the outer side surface of the stirring rod do circular motion in the marinating and boiling pot along with rotation of the stirring rod; the stirring blades continuously stir food materials in the pot in the rotating process, it is ensured that all parts of the food materials can make full contact with marinating soup, the stirring effect is further improved, the food materials are heated more evenly, and the situation that the food materials close to the pot bottom are scorched due to the fact that the food materials are located in a high-temperature area for a long time is avoided; and the problem that food materials close to the surface are not stewed in place due to insufficient heat transfer is solved.

The present invention discloses a composite microstructure surface that utilizes microtubes and micropores to synergistically enhance boiling heat transfer, comprising a microcolumn matrix and a plurality of microcolumn units distributed in an array on the microcolumn matrix. The microcolumn unit is composed of a plurality of microcolumns distributed in an array, and each microcolumn has microtubes symmetrically arranged on each side wall and micropores symmetrically arranged on the top. By adding micropores on the top surface of the microcolumn, the number of vaporization cores on the microstructure surface is effectively increased, the superheat of the surface is reduced, and thus the boiling heat transfer coefficient of the surface is improved; secondly, microtubes are provided on each side wall of the microcolumn, and by utilizing the interaction between microcolumns, micropores and microtubes in regulating the gas-liquid behavior during the boiling process, a multi-directional rehydration system is established from the rehydration channel to the microcolumn unit groove and the microtube rehydration, thereby enhancing the rehydration capacity of the surface, increasing the critical heat flux density of the surface, delaying the occurrence of boiling crisis, and achieving synergistic enhancement of the boiling heat transfer performance of the microstructure surface.

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.

The utility model provides an electric heating type humidifier with an anti-scale water level monitoring function, a water tank comprises a water tank body and a steam pipeline, a heating chamber is arranged in the water tank body and used for heating a water body so as to generate steam, and the steam pipeline is used for outputting the steam outwards; the heating assembly is arranged in the heating chamber and comprises a plurality of stainless steel heating pipe fittings used for heating a water body to generate steam, the water level monitoring assembly comprises a first probe and a second probe, and the first probe and the second probe are arranged in a staggered mode and used for monitoring different liquid level height information of the water body; an isolation sleeve is arranged outside the first probe and the second probe in a sleeving mode, and a filter screen is arranged at the bottom of the isolation sleeve. According to the water level detection device, even if water scale existing in the humidifier generates foam in the water boiling process, the isolation sleeve can effectively isolate the foam from being in contact with the probe, so that the probe can accurately detect the height of the water level, and the monitoring precision of the water level detection device on the water level is greatly improved.

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 utility model relates to the technical field of sugar liquid, and discloses a sugar liquid decocting device which comprises supporting legs, a box body arranged on the top surfaces of the supporting legs, the bottom surface of the box body fixedly connected with the top surfaces of the supporting legs, an inner container arranged on the inner side surface of the box body, a stirring mechanism arranged on the top surface of the box body, and a heating mechanism arranged on the bottom surface of the inner side of the box body. The stirring mechanism comprises a rotating part and a stirring part, and the heating mechanism comprises a driving part and a heating part. A first motor in a rotating part is utilized by a stirring mechanism, so that the first motor drives a worm, the worm drives a worm gear, and the worm gear drives an inner container to rotate under the action of the worm gear, so that uniform shaking is realized; and the second motor drives the fluted disc to rotate, so that the fluted disc drives the gear, the gear drives the stirring blades to rotate, the stirring blades stir, sugar juice is prevented from being fully stirred in the boiling process, and the phenomenon of burnt pot is also avoided.

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 invention relates to the field of food processing, in particular to an automatic cleaning boiling device for preparing concentrated pig bone soup-stock, which comprises a heating base, a boiling barrel is arranged at the top of the heating base, a first cover plate is clamped at the top of the boiling barrel, the first cover plate is mounted through a clamping piece, and a second cover plate is rotatably connected onto the first cover plate. The separation mechanism is arranged on the first cover plate, and the spraying mechanism is arranged on the first cover plate. Through the combined design of the material storage barrel, the driving motor and the cam, the blocking problem possibly caused by pig bones or large residues in the boiling process is effectively solved, the pig bones in the material storage barrel are slightly vibrated in the boiling process and are prevented from being tightly attached to the filtering holes, and therefore it is guaranteed that soup-stock is smoothly separated and flows into the boiling barrel; the purity of the soup-stock is improved, the subsequent cleaning work is greatly simplified, the human input is reduced, the production efficiency is improved, and the whole boiling process is smoother and more automatic.

The invention provides a pool boiling space regulation and control device and method based on electric control wettability, and belongs to the technical field of heat transfer. The pool boiling space regulation and control device comprises a boiling pool mechanism, a variable structured electrode mechanism is arranged in the boiling pool mechanism, and a condensation circulation mechanism is arranged above the boiling pool mechanism; the boiling pool mechanism is connected with the condensation circulation mechanism, a data acquisition mechanism is arranged outside the boiling pool mechanism, and the boiling pool mechanism is electrically connected with the data acquisition mechanism. According to the pool boiling space regulation and control device and method based on the electronic control wettability, the form, parameters and electrode structures of electrostatic field signals applied in a boiling field can be adjusted, and meanwhile the requirement for visually collecting bubble dynamic images in the boiling process is met.

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.

The invention relates to the technical field of constant-temperature boiling, and discloses a peppery soup boiling constant-temperature system which comprises the following steps: S1, collecting temperature, pressure, humidity and material concentration data of soup in a boiling pot; s2, performing fusion processing on the acquired data to generate comprehensive monitoring data; s3, a fuzzy control algorithm and a neural network control algorithm are alternately adopted, adjusting instructions of the heating power and the stirring speed are generated according to the comprehensive monitoring data, the fuzzy control algorithm is adopted in the initial boiling stage to stabilize the temperature, and the neural network control algorithm is adopted in the stable boiling stage to optimize the constant-temperature precision; and S4, controlling the heating system and the stirrer to work according to the adjusting instruction. According to the invention, the fuzzy control algorithm is adopted to quickly stabilize the temperature in the initial boiling stage, and the neural network control algorithm is switched to optimize the constant temperature precision in the stable stage, so that the staged accurate temperature control is realized, the temperature stability in the peppery soup boiling process is ensured, and the quality consistency of finished products is improved.

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 belongs to the technical field of polygonatum sibiricum processing, and particularly relates to a polygonatum sibiricum boiling device which comprises a fixing frame. A boiling box is fixedly connected to the middle part of the fixing frame; the top of the boiling box is fixedly connected with a fixed cover; a movable cover is hinged to the top of the boiling box; the side wall of the movable cover is fixedly connected with a sealing strip; the sealing strip is arranged on one side close to the fixed cover; the top of the fixed cover is fixedly connected with a motor; the output end of the motor penetrates through the middle of the fixed cover; the output end of the motor is fixedly connected with a rotating shaft; the rotating shaft is arranged in the boiling box; the middle part of the rotating shaft is fixedly connected with two shifting plates; the two shifting plates are fixedly connected to the position close to the end of the rotating shaft. The two shifting plates are oppositely arranged; by means of the structure, the two spiral pieces can stir high-temperature water at the bottom of the boiling box, heat at the bottom of the boiling box can be effectively and evenly conveyed upwards, and even heating of rhizoma polygonati in the boiling process can be effectively improved.

The utility model discloses a wort heating boiling heat energy circulating device for beer production, which belongs to the technical field of beer production, and is characterized in that the wort heating boiling heat energy circulating device comprises supporting legs, the tops of the supporting legs are fixedly connected with a supporting seat, the top of the supporting seat is fixedly connected with a supporting column, and the top of the supporting column is fixedly connected with a mounting plate; a boiling tank is arranged in the mounting plate, a heating device is arranged below the boiling tank, a circulating mechanism is fixedly connected to the top of the mounting plate, and through the arrangement of the circulating mechanism, a large amount of water vapor generated in the wort boiling process can enter a filtering box, and impurities can be filtered out through activated carbon; the filtered water vapor can enter the cavity, so that the surface of the boiling tank can be heated, through the arrangement, the function of recycling heat energy in the water vapor can be realized, and the problems of loss of a large amount of heat energy and energy waste caused by direct emission of the water vapor are avoided.