44 results about "Temperature stratification" patented technology

The invention relates to the technical field of memory bank testing, in particular to a memory bank aging testing device and method.The memory bank aging testing device comprises a testing box, a testing cavity is formed in the testing box, a testing plate is arranged in the testing cavity, and a memory bank is inserted into the testing plate. A double-shaft motor is matched with an electromagnetic clutch to respectively drive a soaking mechanism and a heat recovery mechanism, a reciprocating screw rod drives an extension box to move up and down in a reciprocating manner, a toothed plate and a driving gear are in meshing transmission, so that a rotating pipe rotates while moving, and a spray pipe forms composite sweeping airflow; dehumidification and regeneration are synchronized through cooperation with continuous rotation of the rotary box, closed-loop air treatment is formed, dynamic and uniform distribution of hot air in the test cavity is achieved, temperature stratification is effectively eliminated, meanwhile, energy consumption is remarkably reduced through waste heat recovery and medium regeneration, and the test efficiency is improved. And high uniformity, high cleanliness and low-energy-consumption operation of a high-temperature aging test environment are guaranteed.

The invention relates to the technical field of cold storage water tanks, and discloses a temperature stratification type cold storage water tank water distributor type selection process with stratification efficiency optimization, which comprises the following steps: S1, constructing a full-dimensional dynamic iteration type selection basic database; s2, deploying a multi-parameter cooperative intelligent sensing unit; s3, screening the types of the dynamic self-adaptive water distributors; s4, constructing a multi-objective optimization model screening parameter; s5, dynamic adaptation and system cooperation double-closed-loop verification are executed; s6, carrying out installation calibration and full life cycle cost closed-loop optimization; building a standardized module library; according to the temperature stratification type cold storage water tank water distributor type selection process with optimized stratification efficiency, the type selection accuracy and the cold storage efficiency are improved, and the cost is reduced.

This invention designs a hot water level detection device for heating systems, belonging to the field of water level detection technology. The device includes a water level sensing unit, a temperature sensing array, a vibration sensing unit, and a data processing module. The water level sensing unit is installed on the top of the water storage device, emitting and receiving ultrasonic waves and measuring the round-trip time. The temperature sensing array includes two temperature sensors respectively installed at the top and bottom of the water storage device to acquire information on the vertical temperature distribution of the hot water. The vibration sensing unit is installed on the wall of the water storage device or on the heating pipe to collect vibration signals. The data processing module includes a temperature judgment unit, a sound velocity correction unit, a feature extraction unit, and a water level correction unit. This invention eliminates the influence of temperature stratification on sound velocity calculation through temperature gradient adaptive correction, and suppresses the interference of dynamic disturbances on water level measurement through vibration feature extraction and adaptive filtering, achieving accurate and stable hot water level monitoring under the complex operating conditions of heating systems.

The present application relates to a kind of multi-energy flow carbon footprint tracking method based on carbon memory matrix and conservation constraint, belong to the technical field of energy internet, industrial carbon management and intelligent manufacturing.The multi-source energy-carbon coupling data pedestal is constructed, the unified data of multiple time scales is realized;The energy storage carbon memory matrix model containing time dimension and temperature stratification is established, the dynamic evolution process of carbon intensity in energy storage system is described;On this basis, the multi-energy flow directed carbon flow chart is constructed, the unified carbon tracking and apportioning of electric, heat, cold multi-energy flow are realized;Carbon flow conservation constraint and weighted least squares state estimation method are introduced, the physical consistency verification and self-repair of carbon data are realized;Finally, the mixed integer linear programming model of explicit embedded carbon memory constraint is constructed, the optimal multi-energy collaborative scheduling of whole life cycle carbon emission is realized.The present application realizes the change from static accounting to dynamic tracing of carbon footprint, from post-event statistics to active optimization, significantly improves the reliability of carbon data and low-carbon scheduling effect.

The invention relates to an efficient temperature stratification heat storage water tank water distributor, and belongs to the technical field of energy application. Comprising a heat storage water tank, a water supply pipe, a water distribution pipe, a water outlet hole, a water return pipe, an electric water heater, a first circulating water pump, a second circulating water pump, a flowmeter, a first thermometer, a second thermometer, a third thermometer, a filter, a regulating valve, a first gate valve, a second gate valve, a third gate valve, a fourth gate valve, a fifth gate valve and a user terminal, according to the water distributor of the heat storage water tank, mixing of cold water and hot water at different temperatures can be effectively reduced in the heat storage and release stage, energy loss is reduced, the good thermocline thickness is guaranteed, the operation heat efficiency of the heat storage water tank is greatly improved, and the service life of the heat storage water tank is prolonged. And the water supply temperature can be increased while the heating time required by the heat user is ensured.

The invention relates to a method for storing thermal energy by means of at least two containers, each of which is filled with a solid filling material, a thermal storage medium for storing and / or releasing thermal energy being introduced into and / or discharged from the containers in sequence, a temperature storage being carried out in a temperature stratified manner by means of the solid filling material in the respective container, and the heat storage medium is used for a heat transfer process during storage and / or release of (thermal energy). The invention also relates to a corresponding thermal energy store.

This application relates to an air conditioning control method, device, air conditioner, and storage medium. The method includes: when the indoor ambient temperature reaches the set heating temperature, it is necessary to blow out the heat accumulated in the indoor unit by means of waste heat blowing to continue providing heat to the indoor space; determining the corresponding waste heat blowing parameters based on the spatial structure data of the indoor space, including a preset waste heat blowing duration; controlling the air conditioner to operate according to the waste heat blowing parameters; and correcting the preset waste heat blowing duration in real time according to the indoor temperature change rate to obtain a corrected waste heat blowing duration; and controlling the air conditioner to blow waste heat according to the real-time corrected waste heat blowing duration. This avoids blowing waste heat according to a fixed waste heat blowing duration, and the uniformity of space heat can be sensed by combining the temperature change rate. This solves the problems of existing control methods that blow waste heat according to a fixed preheating duration, which ignore the temperature stratification phenomenon caused by the height difference of the indoor space, resulting in temperature perception deviation and excessive energy consumption.

This utility model discloses a cooling device for aluminum profile production, including a fixed plate. A bracket is fixedly connected to the upper surface of the fixed plate, and a cylinder is embedded in the upper surface of the bracket. A support frame is connected to the inner wall of the cylinder, and a drain basket is provided inside the support frame. A stirring mechanism is embedded in the bottom surface of the cylinder. A water tank is connected to the upper surface of the fixed plate. The front of the water tank is connected to the bottom surface of the cylinder through a bent pipe. A conveying mechanism is connected to the upper surface of the water tank, and two primary coolers are embedded in the back of the water tank. Through the cooperation of the motor and the connecting rod, the connecting rod can rotate within the inner ring of the rolling bearing. Simultaneously, according to the design of the connecting rod and the stirring plate, the stirring plate can continuously agitate the cooling medium inside the cylinder, breaking up the temperature stratification of the medium when it is stationary. This ensures a uniform temperature of the cooling medium around the aluminum profile, preventing localized heat accumulation that could reduce cooling efficiency, and simultaneously enhancing the heat exchange rate between the medium and the surface of the aluminum profile.

The utility model discloses a medicine temporary storage box for dialysis patients, which comprises a placing box, and the outer surface of the placing box is fixedly connected with a thermal insulation layer; a refrigeration cavity is formed in the bottom of the placement box, and two groups of notches are formed in the placement box above the refrigeration cavity; a low-temperature cavity is formed in the placement box above the refrigeration cavity, and a normal-temperature cavity is formed in the placement box above the low-temperature cavity; a drawer is slidably connected into the refrigeration cavity, and a handle is fixedly connected to the outer surface, close to the opening, of the drawer. According to the medicine temporary storage box for the dialysis patient, cold air enters the corresponding cavities from the ventilation openings, and the spreading quantity of the cold air is related to the distance of the cold air source, so that the internal temperature of the normal-temperature cavity is higher than that of the low-temperature cavity, the purpose of temperature layering is achieved, and then the purpose of storing different medicines is achieved; the notches are positioned on two sides of the normal-temperature cavity and the low-temperature cavity, so that the notches cannot be blocked by stored medicines, and spreading of cold air cannot be affected.

The present application belongs to the technical field of seed germination, and relates to a kind of seed dormancy breaking and germination method of Rhizoma Polygonati, which comprises the following steps: after seed disinfection and activation, ultrasonic-magnetic field treatment is carried out; mixed with composite growth regulator, vacuum-normal pressure cycle treatment is carried out; then mixed with stratification matrix, variable temperature stratification treatment is carried out; then transferred into germination substrate, high humidity treatment, photoperiod germination and spraying germination nutrient solution are carried out in turn; low temperature passivation synchronization treatment is carried out in the middle of germination, and then the germination conditions are restored until the seed germination. The present application effectively breaks the dormancy of Rhizoma Polygonati seed by a series of means such as ultrasonic-magnetic field synergistic wall breaking, vacuum impregnation multi-target hormone induction, programmed variable temperature stratification, low temperature synchronization regulation and light temperature and humidity cultivation coupling germination, significantly shortens the germination period, improves the germination uniformity and seedling robustness, and is suitable for large-scale and standardized seedling raising of Rhizoma Polygonati seed.

Thermal energy storage (TES) systems convert variable renewable energy (VRE) into continuous heat exceeding 900°C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is supplied continuously as needed. Heat supply through a flowing gas establishes a temperature stratification that maintains a high outlet temperature through discharge. The supplied heat can be used in processes including power generation and cogeneration. The thermal storage medium can consist of heat-resistant materials such as brick or concrete, composed of radiant cavities and fluid channels to provide rapid radiative charging and long-term convective discharge from VRE. The configuration of the thermal storage medium allows for substantially horizontal temperature stratification and thermal supply arrangement, which provides seismic stability and facilitates significant scalability of the TES system by increasing the length of the system without adding excessive height, contributing to both the stability and efficiency of the thermal supply structure.

This utility model belongs to the field of wastewater treatment technology and relates to a system for improving the efficiency of domestic wastewater treatment in thermal power plants by utilizing hot water from heating stations. This utility model significantly improves the efficiency of domestic wastewater treatment in thermal power plants, including a hot water supply system, a temperature control system, and a wastewater mixing system. The hot water supply system uses stainless steel insulated branch pipes to connect the heating station and the domestic wastewater regulating tank, maximizing the utilization of waste heat from the heating station. The temperature control system monitors the temperature field distribution in the domestic wastewater regulating tank in real time through a distributed temperature sensor network, and achieves precise closed-loop control of wastewater temperature through the linkage of a PLC controller, regulating valves, and intelligent temperature controllers. The wastewater mixing system integrates aeration pipes and swirling nozzles. After the perforated aeration pipes achieve primary distribution of hot water, the swirling nozzles form a three-dimensional heat circulation. Combined with the mechanical disturbance of the agitator, this completely solves the common problems of temperature stratification and uneven mixing in traditional systems.

The invention discloses a double-sided photovoltaic module backboard structure capable of improving heat dissipation efficiency, and belongs to the field of photovoltaic modules. Comprising a supporting rod, the opposite sides of the supporting rod are fixedly connected with fixing frames, the right sides of the outer side walls of the fixing frames are symmetrically and rotationally connected with supporting high rods, and the opposite sides of the two supporting high rods are jointly and fixedly connected with an arc-shaped light guide plate; according to the double-sided photovoltaic module backboard structure capable of improving the heat dissipation efficiency, by optimizing the internal structural design of the heat exchange cavity, efficient cooling and rapid circulation of the heat dissipation liquid are achieved, the heat dissipation efficiency of the double-sided photovoltaic module is greatly improved, and the industrial pain point that a traditional module is aged due to temperature rise is effectively solved. The turbulent flow cavity integrally formed in the heat exchange cavity is matched with the stirring blades driven by the motor, flowing of the heat dissipation liquid can be remarkably accelerated, temperature stratification of the heat dissipation liquid in the standing state is broken, the high-temperature heat dissipation liquid can make uniform contact with a cooling component, and the problem of insufficient cooling caused by local overheating is solved.

The invention designs a hot water level detection device for a heating system, and belongs to the technical field of liquid level detection. The device comprises a liquid level sensing unit, a temperature sensing array, a vibration sensing unit and a data processing module. The liquid level sensing unit is arranged at the top of the water storage device and used for transmitting and receiving ultrasonic waves and measuring round-trip time. The temperature sensing array comprises two temperature sensors arranged at the top and the bottom of the water storage device respectively, and vertical temperature distribution information of hot water is obtained. The vibration sensing unit is arranged on the wall face of the water storage device or the heating pipeline and collects vibration signals. And the data processing module comprises a temperature judgment unit, a sound velocity correction unit, a feature extraction unit and a liquid level correction unit. According to the method, the influence of temperature stratification on sound velocity calculation is eliminated through temperature gradient self-adaptive correction, the interference of dynamic disturbance on liquid level measurement is inhibited through vibration feature extraction and self-adaptive filtering, and accurate and stable hot water level monitoring is achieved under the complex working condition of a heating system.

The application discloses a kind of multi-point thermal field adaptive temperature control methods for oil water cut calibration, it is related to thermal field temperature control technical field, for solving the problem that measurement result is difficult to keep measurement repeatability, by the temperature data of different height positions of the sample to be measured under controlled temperature rise condition acquisition, based on temperature gradient feature recognition oil phase, emulsification zone and the temperature stratification interface formed by water phase, and interface upper and lower boundary is used as section division basis, calculate temperature rise lag index, analyze emulsion thickness variation, obtain interface sedimentation rate, based on temperature rise lag index and interface sedimentation rate construct stratified emulsification coefficient, for determining sample emulsification state and water cut error deviation direction, and generate water cut correction coefficient, by stepper motor to the quantitative discharge of stratified section Directional compensation is carried out, and calibration reference is obtained in combination with section, to improve the measurement accuracy under the condition of oil-water interface instability.

This system provides a fuel cell waste heat utilization system that effectively transfers heat without disrupting the temperature stratification of the hot water storage tank. [Solution] The first fuel cell unit located in the first dwelling unit and the second fuel cell unit located in the second dwelling unit are each equipped with a fuel cell N, a hot water storage tank T for storing hot water heated by the waste heat of the fuel cell N, a temperature sensor S for detecting the temperature of the hot water in the hot water storage tank T, a control unit H4 for controlling the supply and discharge of hot water in the hot water storage tank T, and a determination unit H2. The control unit H4 of the first fuel cell unit and the second fuel cell unit perform heat exchange control to supply hot water from the first hot water storage tank T to the second hot water storage tank T through the hot water pipe 31. In the heat exchange control, if the value obtained by subtracting the temperature detected by the third temperature sensor 33 from the temperature detected by the second temperature sensor S1 is greater than or equal to a preset value, the control unit H4 is configured not to supply hot water to the upper part of the second hot water storage tank.

The utility model discloses a cooling device for chemical production, which relates to the technical field of chemical processing and comprises a central tube, a chemical liquid channel is arranged in the central tube, an outer sleeve is connected to the outer end of the central tube, a cooling channel is formed between the central tube and the outer sleeve, and a disturbing mechanism is arranged in the central tube. The disturbing mechanism comprises a water turbine impeller, a rotating ring and a ball ring, uniformly distributed heat conducting fins are connected between the central pipe and the outer sleeve, and a cold water tank is arranged at the outer end of the central pipe. According to the utility model, the design structure is reasonable, the impeller of the water turbine can rotate in the central pipe, so that surrounding chemical liquid can be stirred, the stirring is beneficial to uniformly mixing the chemical liquid, the phenomenon of temperature stratification between the liquid is broken, and the chemical liquid can be uniformly mixed. Heat exchange between chemical liquid and a cooling medium in the cooling channel can be more sufficient, the more uniform cooling effect can be achieved, and the cooling efficiency of the device is improved.

The invention discloses an electromagnetic heating conduction oil circulation energy-saving device for degradation equipment. The device comprises an electromagnetic heating coil assembly, the organic solid waste degradation equipment is fixedly connected with the electromagnetic heating coil assembly, the lower portion of a main body of the organic solid waste degradation equipment is fixedly connected with a heat conduction oil layer, and a base of the organic solid waste degradation equipment is connected with a heat conduction oil conveying assembly. A maintenance door is mounted on a main body of the organic solid waste degradation equipment, and a central control system and a touch screen are fixedly connected to the maintenance door. The electromagnetic heating system is matched with an advanced PID control algorithm, the power output of electromagnetic heating can be automatically adjusted according to the deviation among the set temperature, the actual temperature and the material temperature, the temperature of heat conduction oil is controlled within + / -1 DEG C, and the problem that a common electric heating system is large in thermal inertia is effectively solved; and meanwhile, the heat conduction oil forms a'heating-heat release-backflow 'closed-loop forced circulation system under the driving of the circulating pump, so that temperature stratification is effectively eliminated, and the heat transfer uniformity and efficiency are improved.

The application relates to a circulating air cooling temperature control device for a tea leaf extraction process and relates to the technical field of tea leaf processing, which comprises a device main body, a refrigeration circulation system, a temperature control chamber and an air flow circulation loop are arranged in the device main body, and a cold air distribution mechanism is arranged through a partition plate above the temperature control chamber; the cold air distribution mechanism comprises a carrier plate driven to lift by a screw rod and a guide rod, a dynamic sweeping structure is fixed below the carrier plate, the dynamic sweeping structure drives a movable air duct component to reciprocatingly fan sweep, the movable air duct component is linked with a guide flow component through a worm and a long and short supporting rod to make the guide flow component reciprocatingly stretch and shrink in the radial direction, and the guide flow component is driven by a gear and a rack to synchronously swing a plurality of blades inside the guide flow component to dynamically deflect the wind direction and can be completely closed. The application realizes the continuous sweeping of the cold air on the surface of an extraction container through multi-dimensional transmission, eliminates the cooling dead zone and temperature stratification, cooperates with a temperature sensor closed loop control, and significantly improves the temperature control uniformity, working condition adaptability and temperature control precision.

The application relates to the technical field of memory bank testing, in particular to a memory bank aging test device and method, which comprises a test box, a test cavity is arranged in the test box, a test plate is arranged in the test cavity, and a memory bank is inserted into the test plate. The even-heating mechanism and the heat recovery mechanism are respectively driven by a double-shaft motor and an electromagnetic clutch. The extension box is driven to move up and down by the reciprocating screw rod. The rotating pipe is driven to rotate by the meshing transmission of the gear plate and the driving gear. The rotating pipe forms a composite sweeping airflow. The continuous rotation of the rotating box realizes the synchronization of dehumidification and regeneration, forms a closed-loop air treatment, realizes the dynamic uniform distribution of hot air in the test cavity, effectively eliminates temperature stratification, significantly reduces energy consumption through waste heat recovery and medium regeneration, and guarantees the high uniformity, high cleanliness and low energy consumption operation of the high-temperature aging test environment.

The invention relates to an aluminum-coated pipe modularized composite air cooling evaporation section structure and relates to the technical field of heat exchange, the aluminum-coated pipe modularized composite air cooling evaporation section structure comprises a shell, a precooling mechanism for precooling is arranged in the shell, and the aluminum-coated pipe modularized composite air cooling evaporation section structure further comprises a discharging mechanism and a control mechanism. Meanwhile, the length of an original coiled pipe is greatly shortened, the maintenance cost is remarkably reduced, the overall service life of equipment is prolonged, the aluminum-coated pipe is completely wrapped by cold water, the spiral blades additionally arranged on the outer surface of the aluminum-coated pipe enlarge the contact area with the cold water, surrounding water can be pushed to form vortexes during rotation, water at different temperatures in the water tank is promoted to be fully mixed, and the service life of the equipment is prolonged. The problems of temperature stratification and non-uniform cooling are thoroughly eliminated, a rapid protection mechanism for leakage points of the coiled pipes is constructed through the synergistic effect of the discharging mechanism and the control mechanism, the safety of the device is improved, and when a single coiled pipe is damaged, the material collecting box can rapidly guide a medium to other coiled pipes, so that continuous operation of the device is ensured.

The present application relates to the field of hydrogeology, and more particularly to a surface water-groundwater interaction determination method and system, comprising obtaining temperature data, electric potential field data and water body gravity stratification sampling data at different depths within a drainage basin; mapping the temperature data to a temperature manifold and extracting temperature stratification characteristics; inverting a hydraulic gradient field based on the temperature stratification characteristics and the water body gravity stratification sampling data; calculating water flow momentum based on the hydraulic gradient field and the electric potential field data; determining interaction coefficients between different water bodies within the drainage basin based on the hydraulic gradient field, the water flow momentum and groundwater depth data; a hydraulic gradient inversion method based on a temperature manifold is established by introducing differential geometry theory, achieving high-precision mapping from a temperature field to a hydraulic gradient field; a coupling mechanism of a temperature field-hydraulic gradient-water flow momentum is established, achieving organic integration of multi-physical field data, and providing a scientific basis for water resources management in the Yellow River Basin.

According to the ice storage device with a novel structure, the ice storage coil pipe frame is used as the water distributor (water inlet) or the water distributor (water inlet) and the water collector (water outlet), so that the temperature stratification phenomenon of water in the range of 0-4 DEG C can be effectively utilized, the ice melting speed is improved, and the ice melting water outlet temperature is reduced; the investment of the water distributor is not increased; and the height of the ice storage tank can be reduced. Furthermore, when an actual outer ice melting project is designed to be that ice water flows left and right or the ice water side of inner ice melting does not flow, the lower frame can be used as an air distributor (air inlet), so that the ice melting speed and the ice melting uniformity are improved. When an outer ice melting project is designed into an upper water distributor and a lower water distributor and a gas distributor is needed, the lower cross beam can be partially used as the water distributor and partially used as the gas distributor.

The invention provides a water temperature stratification bay water taking particle entrainment simulation test system which comprises a water tank system which comprises a first water tank and a second water tank; a water inlet is formed in one end of the first water tank, a water outlet is formed in the other end of the first water tank, and the second water tank is mounted on one side of the first water tank close to the water outlet and communicated with the first water tank; a water taking piece is arranged at one end of the second water tank away from the first water tank; the layered temperature control assembly is arranged in the first water tank and one end, close to the first water tank, of the second water tank, and is used for forming and maintaining a vertical water temperature layered structure in the water body of the water tank system; the particle putting assembly is used for putting particles into water bodies with different water temperatures; and the test assembly is used for measuring flow field information and temperature information in the water tank system. The system overcomes the defect that a single water tank cannot simulate bay water taking, can support bay water taking three-dimensional flow field and algae particle entrainment law research under water temperature layering, and is simple in structure, adjustable in parameter, low in test cost, high in repeatability and wide in popularization prospect.

The utility model discloses an experimental device for measuring the three-dimensional water temperature of a water body in a large-scale deep reservoir area. The experimental device comprises a sensor system, a waterproof ventilation cable, a transportation rotating wheel support system and a data acquisition system. The head end of the waterproof ventilation cable is connected with the sensing system, the tail end of the waterproof ventilation cable is connected with the data acquisition system, and the waterproof ventilation cable is manually and mechanically shrunk and put down through the transportation rotating wheel support system. According to the utility model, the three-dimensional distribution of the water temperature of the water body in the whole reservoir area of the reservoir, especially a large deep reservoir temperature stratified reservoir can be measured, and the obtained water temperature distribution result can be used for evaluating the influence of the change of the water temperature of the water body on irrigation of crops in an irrigation area in a downstream area of the reservoir, fish culture in a river channel, protection of rare fishes and the like after the reservoir is built.

The utility model discloses a freezer constant temperature circulation retrofitting device for shoe production relates to freezer field, the utility model discloses a freezer main part is provided with the freezing room in the inside, freezer main part's both sides are provided with conveying device, conveying device all includes the support block of freezer main part both sides, the top of support block all is provided with the drive motor, the output of drive motor is connected with gear, the utility model discloses the meshing drive of conveying belt and gear realizes continuous feeding, ensures that shoe high -efficiently is sent into the freezing room inside, and the conical surface - concave contact structure of rotary block and fixed block is used simultaneously, forces the automatic rotation of shoe in transmission, breaks the one -way limitation of traditional translation freezing, makes the cold air even all surface of shoe body, and the bottom fan sends the vertical airflow upwards, and the bottom area is cooled directly through the transmission belt gap, and the temperature stratification phenomenon in freezing room inside is eliminated simultaneously.

The utility model relates to the technical field of heat storage water tanks, in particular to a heat storage water tank for heat supply peak regulation, which comprises a tank body, a maintenance component and a lifting component, the lifting component is arranged at the top of the tank body and comprises a rotating table and a moving block, the rotating table is rotatably connected with the tank body, and the maintenance component is connected with the lifting component through a lifting rope. A plurality of manholes are evenly formed in the top of the tank body in the circumferential direction, a foldable or unfoldable maintenance platform is arranged on the lower portion of the maintenance assembly, an annular guide rail is arranged on the top of the tank body, and a moving block is movably connected with the annular guide rail and locked through an upper air cylinder; according to the heat storage water tank, by arranging the overhauling assembly facilitating entering and exiting of the upper portion of the tank body, on the premise that the hydraulic stability in the tank body is not damaged, water distributor pipelines at different circumferential positions and different heights and the inner wall structure of the tank body can be overhauled, and many large-size internal crawling ladders do not need to be arranged; and temperature stratification and heat loss are not influenced when the heat storage water tank works.

This utility model discloses a temperature stratification device for a hot water storage tank, including a water tank with multiple layers of water storage pipes inside. One end of the water storage pipe at the beginning of the upper layer is connected to a second inlet pipe, and one end of the water storage pipe at the end of the lower layer is connected to a second outlet pipe. The horizontally arranged multiple interconnected water storage pipes within the water tank not only store water but also allow cold water to be injected into the pipes. This cold water exchanges heat with the hot water in the tank, raising its temperature before being directed elsewhere for use. This ensures that the hot water in the tank is fully utilized even when it is stagnant, improving the utilization rate of hot water. Furthermore, the device obstructs water flow, achieving a stratification effect and preventing cold water from directly disturbing the water layers during filling, thus ensuring normal use.

The invention relates to the technical field of sterile refrigeration houses, and discloses a refrigeration house sterile fresh-keeping device and a fresh-keeping method.The refrigeration house sterile fresh-keeping device comprises a sterile refrigeration house, a temporary storage refrigeration house, an air outlet protection chamber, a storage assembly, an air outlet assembly, a heat exchange device, an air exchange assembly and a refrigeration assembly.The external high temperature and bacteria are isolated through the buffer isolation design of the temporary storage refrigeration house; the environment interference is avoided from the source, the stability of the storage environment is guaranteed, air circulation and a refrigeration assembly cooperate, uniform mixing of air in the warehouse is achieved, temperature stratification is eradicated, it is ensured that all articles are in the consistent low-temperature environment, air exchange and a heat exchange device are linked, and external air is supplemented after being pre-cooled. The temperature difference impact is reduced, the oxygen concentration is accurately regulated and controlled, the long-term storage requirement is met, the storage qualification rate and the preservation period are greatly improved, and practicability and economical efficiency are both considered.

This invention discloses an energy-saving grinding component for a sand mill, comprising an equipment housing containing a cooling tank, a grinding chamber located above the equipment housing, a spiral cooling cavity within the grinding chamber, a feeding pipe and a discharge pipe on the grinding chamber, and a cover fixedly mounted on the top of the equipment housing on one side of the grinding chamber. This invention improves the contact shearing efficiency between the grinding chamber and the material and grinding media beads through the coordinated operation of a cam, hollow shaft, grinding drum, and pin, achieving material grinding. Heat exchange is achieved between the cooling water in the spiral cooling cavity and the grinding chamber, enabling temperature control while recycling water resources. It also allows the warm water after heat exchange to quickly and thoroughly mix with the low-temperature cooling water and cooling elements, agitating the water to break up temperature stratification, ensuring the low-temperature stability of the return cooling water, and continuously guaranteeing the cooling effect. The entire process is driven by a single power source, balancing cooling efficiency and energy saving.