45 results about "Thermal stratification" patented technology

The invention provides an intelligent integrated control system for waste heat recovery of a swimming pool heat pump and domestic hot water. The system comprises a data acquisition module, an energy efficiency evaluation and recovery decision module, an intelligent scheduling execution module and a heating mode optimization module. The waste heat availability is dynamically evaluated by monitoring heat pump operation parameters and the water tank thermal stratification state in real time, the system stability is judged in combination with the heat pump energy efficiency change trend and the water tank top temperature acceleration, and a three-way valve is intelligently controlled to switch a waste heat preheating path. In the waste heat recovery state, the waste heat participation degree is determined based on the temperature difference and flow of the plate heat exchanger, the main heating power is adjusted by combining the up-down temperature difference and the top temperature change trend of the water tank, and efficient, stable and energy-saving domestic hot water supply is achieved. The energy comprehensive utilization efficiency is remarkably improved, carbon emission is reduced, and the system is suitable for green buildings and smart energy scenes.

The invention discloses a high-low temperature heat storage single-tank device with a composite partition plate. The problems that an existing single-tank heat storage system is thick in thermocline, single in partition plate performance, poor in disturbance rejection and the like are solved. The device comprises a cylindrical tank body, a composite partition plate system, a driving mechanism, a matched pipeline and a heat exchange system, the composite partition plate is composed of a high-temperature phase-change material, a middle heat insulation layer and a low-temperature phase-change material, heat transfer between high-temperature media and low-temperature media is restrained through a thermal delay mechanism, and the dynamic disturbance resistance is enhanced through the movable partition plate. The device can reduce the thickness of the thermocline, improve the heat storage efficiency and stability, reduce the driving energy consumption and cost, is suitable for the scenes of solar thermal power generation, industrial waste heat recovery, ship heat storage and cold storage and the like, and can provide continuous and stable clean energy.

The invention discloses an air conditioner heating temperature compensation method, device and equipment and a medium. The method comprises the steps that if the air conditioner enters a heating mode, the indoor environment temperature, the indoor air outlet temperature, the indoor set temperature and the current freeze-frame air sweeping position of an air deflector are obtained, and the initial heating compensation temperature is determined through a preset temperature compensation model according to the current freeze-frame air sweeping position of the air deflector, the preset temperature compensation model is constructed based on the corresponding relation between the freeze-frame air sweeping position of the air deflector and the operation angle of the air deflector; judging whether the running time of the air conditioner reaches a preset running time threshold value or not; and if yes, the initial heating compensation temperature is corrected through a preset compensation temperature correction model according to the indoor environment temperature, the indoor air outlet temperature and the indoor set temperature, and the target heating compensation temperature is determined. Through a dual temperature compensation mechanism, thermal stratification is effectively restrained, comfort is improved, and energy consumption is reduced.

The utility model discloses a single-phase medium heat storage tank, which relates to the technical field of heat storage tanks and comprises a tank body. A heat insulation plate is arranged in the tank body; the heat insulation plate comprises a heat insulation plate shell and a heat insulation material, wherein an upper pressure sensor and a lower pressure sensor are arranged on the upper side and the lower side of one end of the heat insulation plate respectively; an upper water distributor is arranged at the top of the inner side of the tank body; the upper water distributor is connected with the hot water inlet and outlet; a lower water distributor is mounted at the bottom of the tank body in a matched manner; one end of the lower water distributor is connected with the cold water inlet and outlet; in the energy storage process, the system can store heat energy or cold energy in the heat storage tank in the form of hot water or cold water, the hot water and the cold water are separated through movement of the heat insulation plate, heat transfer caused by existence of a thermocline is eliminated, and the energy utilization efficiency is further improved.

The application discloses a kind of static water pressure simulation device and pressure sampling method with pressure, it is related to sediment-water interface biogeochemical process simulation technical field, the application includes container cylinder, top sealing installation has sealing cylinder cover;Pressure gauge and temperature table are located on sealing cylinder cover;Air inlet assembly and air release assembly are located on sealing cylinder cover;Discharge pipe is located in the lower part of container cylinder, and first control valve, sampling tube, second control valve are sequentially connected in series.The application has broken through to realize the sampling without pressure relief under the condition of in-situ static water pressure, effectively avoids systematic error caused by dissolved gas due to decompression escape;It is suitable for a variety of sediment types and gas types, and provides a high-fidelity experimental platform for greenhouse gas emission research under extreme conditions of deep water reservoir, thermal stratification area;Provide key data support and methodological basis for constructing pressure-corrected methane flux model and deep water carbon emission inventory, serve the national "double carbon" strategy and global change research needs.

The present application relates to the technical field of nuclear reactor thermal hydraulic simulation analysis, and provides a thermal stratification phenomenon simulation method and apparatus, a device, a medium, and a program product. The method comprises: on the basis of an interactive model computation result in a pre-configured program interface, controlling a one-dimensional system program and a three-dimensional computational fluid mechanics program to perform coupling computation, wherein the program interface is configured between the one-dimensional system program and the three-dimensional computational fluid mechanics program, and the model computation result comprises results obtained by performing simulation computation on a liquid metal reactor by the one-dimensional system program and the three-dimensional computational fluid mechanics program; and obtaining a real-time computation result of coupling computation of the one-dimensional system program and the three-dimensional computational fluid mechanics program, wherein the real-time computation result comprises a simulation result of a thermal stratification phenomenon of the liquid metal reactor in a transient operation process. The present application can reduce the computing resource demand and the time cost and improve the efficiency while ensuring that the thermal stratification phenomenon of the liquid metal reactor is accurately simulated.

The application belongs to the technical field of heat supply equipment, and provides a regional heat supply mixing tank based on turbulence structure optimization, which comprises a first turbulence component and a second turbulence component arranged in a tank body along a water flow direction; the first turbulence component is located behind a low-temperature water inlet and behind a high-temperature water inlet, and is used for blocking the channel of cold water sticking to the bottom and actively inducing to the middle or upper part of the tank body; the second turbulence component is located in front of a medium-temperature water outlet, and is used for forcibly turning and cutting the mixed fluid about to flow out, so as to realize the thermal deviation homogenization of the mixed fluid. The mixing tank is used for hydraulic decoupling and heat mixing of a primary circuit and a secondary circuit of a heat network, and the internal turbulence structure is additionally arranged and optimized to eliminate the thermal stratification phenomenon in the tank, and then the temperature uniformity of the water outlet is improved.

The invention discloses a fault diagnosis analysis method and system for a chromatographic instrument, and relates to the technical field of chromatographic instrument fault diagnos.The fault diagnosis analysis method comprises the following steps that a gas thermal field dynamic mapping model is established based on real-time temperature distribution information in a chromatographic instrument detection pool; a temperature gradient distribution diagram in the detection pool is generated through continuous collection of the distributed multi-point temperature sensing unit; on the basis of a temperature gradient distribution diagram output by the gas thermal field dynamic mapping model, controllable micro-amplitude pulsating gas flow is applied to a gas inlet path of the detection pool, and a diffusible gas disturbance area is formed in the detection pool by adjusting the pulsating frequency and amplitude disturbance gas flow state. Through thermal field mapping and gas disturbance regulation and control, temperature and flow field balance of the detection cell is realized, thermal stratification and retention effects are eliminated, and a detection response linear relation is recovered; and the time reference is dynamically corrected through a signal drift self-suppression mechanism, and the complete output of the low-concentration signal is ensured, so that the sensitivity, the stability and the quantitative precision of the chromatograph are improved.

This invention discloses a device and method for eliminating thermal stratification in a pooled reactor based on compressed gas. The device includes an independent heat exchanger, a steam generator, a reactor core, a core shielding layer, a main pump, and a temperature sensor array, all housed within the pooled reactor vessel. In this invention, through a linkage mechanism between temperature monitoring and the compressed gas-driven main pump, the weak natural circulation is converted into forced convection circulation during a complete power outage and when thermal stratification occurs. This significantly enhances the disturbance and mixing of hot and cold liquid metals within the pool, effectively eliminating temperature gradients that lead to equipment thermal fatigue and improving the safety of the reactor structure under accident conditions. Unlike simple energy storage and release, by incorporating a preheater, the residual heat from the reactor core is used to reheat and pressurize the compressed gas. This not only recovers some waste heat but also enhances the work capacity of the gas-driven turbine, achieving energy recovery and ensuring the power redundancy required to drive the main pump.

Gas Injection Device for Suppression of Thermal Stratification.

The invention discloses a test device for researching dynamic migration of aerosol. The test device comprises an experiment device body, and a smoke generator, heat source equipment, a PIV test control device, a simulation adjusting mechanism and an adjusting spraying mechanism are arranged in the experiment device body; according to the test device for researching the dynamic migration of the aerosol, the smoke generator, the heat source equipment, the PIV test control device, the adjusting injection mechanism and the simulation adjusting mechanism are integrated in the test device body; the whole process of aerosol generation, temperature field simulation, flow field visualization measurement and dynamic movement and posture adjustment is integrated, the smoke generator stably outputs tracing smoke or biological aerosol, the heat source equipment accurately controls the indoor thermal stratification environment, the PIV test control device obtains a high-resolution velocity vector field and a vortex structure in real time, and the measurement precision is improved. The angle and the direction of an injection head can be flexibly adjusted by adjusting a multi-stage electric push rod system of the injection mechanism.

The invention discloses a layered water body deepwater aeration and gas circulation synergistic interaction system and method, and relates to the technical field of water environment in-situ ecological restoration. The system is based on a coaxial sleeve structure, an outer-layer flow channel drives a deep-layer water body to lift by utilizing an airlift effect generated by compressed air, and an inner-layer flow channel is used for reinjecting an oxygen-enriched water body to a deep water layer. An inverted bell-jar-shaped gas-liquid separation cabin is arranged at the top of the device, bubble separation is achieved by means of flow velocity attenuation and the Stokes sedimentation principle, and a gas cavity with pressure potential energy is formed through accumulation. A spiral guide vane is arranged at an inlet of the inner pipe, downward water flow is converted into strong rotational flow, a Rankine vortex negative pressure area is constructed, and gas accumulated on the top is passively sucked into a downward flow channel through the pressure difference between a gas cavity and a vortex core. Through gradient utilization of fluid energy and active fine control of a flow state, the oxygen mass transfer efficiency is remarkably improved without additional energy consumption, a natural thermal stratification structure of a water body is strictly maintained, and resuspension of bottom mud is prevented.

The invention discloses a heat storage equipment system applied to photo-thermal energy storage and a control method of the heat storage equipment system, and relates to the technical field of photo-thermal energy storage. Comprising the steps that S1, temperature data, detected by a temperature sensor array, of different heights in the fused salt heat storage tank and external environment data obtained by an external environment monitoring module are collected in real time, and the external environment data comprise illumination intensity, power grid loads and the real-time price of the electricity market; temperature data of different heights of a fused salt heat storage tank are collected in real time through a temperature sensor array, illumination intensity, power grid load and real-time price data of an electric power market are obtained in combination with an external environment monitoring module, and the data are input into a reinforcement learning central control unit after being preprocessed through filtering, denoising and the like; the unit outputs an optimal control action based on a trained model, a flow control valve is driven to accurately adjust the molten salt charging and discharging speed, a flow field in the tank is optimized through a flow guide structure, and unsteady fluctuation of a thermal stratification temperature gradient layer is effectively restrained.

The invention discloses a fusion device intermittent heat source heat storage tank thermal performance test system and method, and belongs to the technical field of fusion device energy storage system core equipment performance detection.The fusion device intermittent heat source heat storage tank thermal performance test system comprises a heat storage tank operation system, an auxiliary heating system and a test control system; the internal temperature distribution, the outlet temperature change and the thermal stratification characteristics of the high-temperature heat storage tank and the low-temperature heat storage tank in the heat storage and heat release stages are tested in a high-precision mode. According to the testing method, a double-tank circulation process is adopted, precise reproduction of the heat charging / discharging process is achieved in combination with automatic control, and waste heat utilization is supported so as to improve energy efficiency. The technical blank of thermal performance testing of the heat storage tank under the fusion intermittent heat source is filled, and an experimental basis can be provided for design and operation strategy optimization of the efficient heat storage tank.

The invention relates to the technical field of battery thermal management, in particular to a battery immersion cooling device which comprises a battery box body and a flow guide plate, and a plurality of battery modules are distributed in the battery box body; the flow guide plate is arranged in the battery box body and is used for longitudinally dividing the battery module into at least two layers of cooling flow channels which are communicated with each other, electrodes of the battery module are positioned in the uppermost cooling flow channel, and a guide plate for forming a targeted micro-flow channel is arranged in the uppermost cooling flow channel; on one hand, through the U-shaped targeting micro-channel formed by the guide plate, cooling liquid can be gathered and accelerated, a battery module electrode can be accurately scoured, and targeted efficient heat dissipation of the electrode is achieved; on the other hand, the staggered communication grooves are used for guiding the cooling liquid to flow in the upper and lower runners in a broken line manner, and are matched with the wave-shaped spoiler at the lowest layer to form disturbance, so that the phenomena of low-flow areas of the runners and thermal stratification of the cooling liquid are thoroughly eliminated, and the upper and lower layers of the battery module can be uniformly cooled.

The invention discloses a tail water taking elevation identification method. The method comprises the following steps: obtaining dam front water level data, reservoir vertical water temperature distribution observation data and tail water temperature data; cleaning the water temperature distribution observation data, and removing observation points higher than the water level in front of the dam and invalid data; dividing the cleaned water temperature distribution observation data into a plurality of layers; respectively solving elevation fitting functions of the multiple layers and sections, and splicing the elevation fitting functions to form an elevation high-precision fitting function of the continuous temperature; according to the elevation high-precision fitting function, constructing an inversion objective function, and calculating the water taking elevation of the tail water under the dam; according to the method, the thermal stratification structure is distinguished, the continuous high-precision temperature elevation function is constructed, the error objective function is constructed in combination with the temperature of the tail water, then the water taking elevation is inverted through the numerical optimization method, nonlinear characteristics such as a thermal spring layer are effectively captured, and the accuracy of water taking elevation inversion is remarkably improved.

The present application relates to the technical field of low-temperature hydrogen storage, and particularly relates to a liquid hydrogen storage tank thermal stratification suppression system and method, at least comprising: a liquid hydrogen storage tank main body; a bionic fractal flow channel network arranged in the liquid hydrogen storage tank main body, which is in a tree root-like fractal structure and comprises a main stem flow channel and at least two levels of branch flow channels; a plurality of root tip heating units respectively arranged at the end of each terminal branch flow channel and used for locally heating liquid hydrogen; a temperature sensor array distributedly arranged along the height direction of the liquid hydrogen storage tank main body and used for collecting liquid hydrogen temperature data in real time; and a control unit connected with the temperature sensor array and the root tip heating units respectively and used for controlling heating parameters according to temperature differences. The present application can suppress the thermal stratification phenomenon of the liquid hydrogen storage tank in a motionless component-free and self-adaptive adjustment manner.

The application discloses a kind of intermittent heat source heat storage tank thermal performance test system and method of fusion device, belong to the technical field of performance detection of fusion device energy storage system core equipment, including heat storage tank operation system, auxiliary heating system and test control system, by simulating fusion reactor pulse intermittent heat source working condition, respectively to high-temperature heat storage tank and low-temperature heat storage tank in heat storage and heat release stage the internal temperature distribution, outlet temperature change and thermal stratification characteristics are tested with high precision.Test method uses double-tank circulation process, combined with automatic control to realize the accurate reproduction of charge / heat release process, and supports waste heat utilization to improve energy efficiency.The application fills the technical gap of heat storage tank thermal performance test under fusion intermittent heat source, and can provide experimental basis for efficient heat storage tank design and operation strategy optimization.

The invention discloses a chilled water storage central air conditioner energy-saving management system, and particularly relates to the technical field of cold and heat source energy-saving operation control, and the chilled water storage central air conditioner energy-saving management system comprises a thermal stratification modeling module, a stability early warning module, a flexible pump control module, a path scheduling module and a cooling capacity repairing module. Establishing a three-dimensional thermal stratification model in real time to evaluate stratification integrity and calculate effective cold energy reserves; when disturbance occurs, early warning is triggered, and operation parameters are adjusted; the pump speed is adjusted according to the system load, and a pump set health model is constructed; the optimal refrigeration path is scheduled according to thermal stratification and the pump set state; after mixing, the cold and hot water gradient is repaired through pump control; by constructing the three-dimensional thermal stratification digital model, accurate evaluation of the cold and hot stratification state and the cold energy reserve of the water pool is achieved, disturbance early warning and a pump control adjusting mechanism are combined, the self-adaption and safe operation capacity of the system is improved, optimal resource allocation and stratification gradient recovery are achieved through path scheduling and cold energy restoration, and the system reliability is improved. And the system energy efficiency and stability are integrally improved.

The invention discloses a nuclear power pipeline thermal cycle and thermal stratification fluctuation risk assessment method and device. The method comprises the steps of obtaining pipeline size parameters and operation condition parameters; establishing a finite element model based on the pipeline size parameters, and setting calculation conditions and boundary conditions based on the operation condition parameters; based on the finite element model, the calculation condition and the boundary condition, obtaining a cold and hot fluid mixing interface position and a temperature evolution state; determining the risk degree based on the position of the cold and hot fluid mixing interface and the temperature evolution state, and judging whether a mitigation measure needs to be designed or not; if so, designing a mitigation measure based on the risk degree; the degree of risk is re-determined based on the designed mitigation measures. According to the method, through accurate numerical simulation and a dynamic risk assessment mechanism, comprehensive identification and quantitative analysis of thermal cycle and thermal stratification fluctuation risks in a complex pipeline system are realized.

This application discloses a manufacturing method, apparatus, and electronic device for an L-shaped connecting plate, comprising: acquiring multi-dimensional original working condition parameters for the stamping of an asymmetric L-shaped connecting plate and generating an original stamping dataset; constructing a thermal stratification prediction model, combining dual thresholds to divide thermal levels and matching weights, acquiring full-time thermal data, and outputting full-domain stratified time-series thermal data and primary cooling control parameters after inter-frame residual iterative correction; establishing a nonlinear correlation mapping based on the aforementioned data, parameters, and springback residual compensation algorithm, statistically analyzing residuals, calculating cumulative deviations, obtaining springback deviation trends, and outputting mold partition temperature control thresholds and high-precision cooling parameters; establishing a thermal asynchronous equilibrium model and calibrating the thermal parameters of the stamping slide block, acquiring thermal response time difference and thermal deformation misalignment; and matching cooling parameters with forming accuracy constraints to manufacture the asymmetric L-shaped connecting plate. Through the above settings, the quality of the manufactured asymmetric L-shaped connecting plate can be improved.

The invention provides a device and method for measuring thermal stratification of fluid on the inner hot side of a shell-and-tube heat exchanger, and belongs to the technical field of engineering fluid thermal hydraulics, the device comprises the shell-and-tube heat exchanger, the shell-and-tube heat exchanger comprises a horizontal circular tube, the horizontal circular tube penetrates through the center line of a cylindrical barrel, and a flowing medium needing thermal stratification measurement is arranged in the horizontal circular tube; a cooling water channel annular cavity is formed between the horizontal circular pipe and the cylindrical barrel; a plurality of temperature measurement module groups are mounted on the horizontal circular tube and the cylindrical barrel; each temperature measurement module group comprises an upper temperature measurement module, a lower temperature measurement module and a side temperature measurement module; and a thermocouple temperature measuring probe of the temperature measuring module is in direct contact with gas in the horizontal circular tube. Through cooperative use of multiple temperature measurement module groups, the gas temperature at the position of the thermocouple temperature measurement probe is monitored in real time, the thermal stratification state of fluid in the pipe during horizontal cooling is obtained, and technical support is provided for research on the thermal stratification characteristic of gas in the horizontal pipeline.

The waste heat utilization energy-saving heat exchanger comprises a shell-and-tube heat exchanger, a shell pass fluid inlet pipe is fixedly installed at the top end of one side of the shell-and-tube heat exchanger, and a shell pass fluid outlet pipe is fixedly installed at the bottom end of the other side of the shell-and-tube heat exchanger. According to the energy-saving heat exchanger for waste heat utilization, the porous flow equalizing hemispheres in the inlet pipe are used for dispersing and mixing cold fluid and hot fluid so as to eliminate thermal stratification; a downstream first-stage turning plate structure is matched to change the overflowing sectional area to roughly adjust the flow, and a second-stage conical valve structure is matched to finely adjust the sectional area of a reducing channel, so that the graded control of the flow speed is realized; and meanwhile, a spring buffer assembly in the secondary structure is combined to absorb fluid impact energy and prevent the valve element from shaking, so that the temperature uniformity and the flow velocity stability of fluid entering the heat exchanger tube bundle are ensured, and the heat exchange efficiency and the service life of equipment are improved.

The invention discloses a vibration control method of a high-pressure rotating film type deaerator, and relates to the technical field of deaerators. In the extremely hot state starting process of the unit, a heating steam valve below the rotating film pipe is closed so as to cut off supply of initial deoxidizing heating steam; a heating steam valve below the water spraying grate is opened to supply deep deoxidizing heating steam; the opening degree of a heating steam valve below the water spraying grate is adjusted, so that deep deoxidization heating steam is fully mixed with water flowing down from the water spraying grate, redundant superheated steam is prevented from entering a rotating film pipe or a condensed water pipe, and vibration of the deaerator is eliminated; by closing the rotating film pipe heating steam valve and accurately controlling the opening degree of the water spraying grate heating steam branch pipe valve, superheated steam is fundamentally prevented from entering a low-temperature water inlet pipeline or damaging thermal stratification of a water tank, and therefore vibration is successfully restrained, equipment vibration is effectively restrained, and operation safety is guaranteed.

The invention discloses an air conditioner ventilation operation load state intelligent sensing method and related equipment, and relates to the field of building energy management. The method comprises the following steps: firstly, constructing a dynamic heat flow topology network comprising a monitoring sub-region and a virtual sub-region; then, combining convection, diffusion and vertical thermal buoyancy physical mechanisms, and calculating an asymmetric transfer coefficient between nodes; deducing the environment state of the virtual sub-region through the equivalent heat flow distance, and carrying out the weighted fusion of the historical state and the current space aggregation feature through a time smoothing coefficient, and generating a global correction state vector. The problem of load sensing deviation caused by a vertical thermal stratification effect and a monitoring blind area in a high and large space is effectively solved, and high-precision operation load state monitoring and precise air volume adjustment in the whole space are achieved.

This invention relates to a spiral-shaped long-channel heat pump water heater tank with inner and outer barrels, belonging to the technical field of heat pump water heaters. It includes a heat pump unit and a hot water storage tank. The hot water storage tank has an outer barrel and an inner barrel heat exchange baffle. The inner barrel heat exchange baffle divides the interior of the outer barrel into an outer barrel water flow channel and an inner barrel water flow channel. A spiral baffle forms a spiral descending channel within the outer barrel water flow channel. The inner barrel heat exchange baffle has a meandering flow channel composed of a refrigerant inlet main channel, a refrigerant outlet main channel, and several annular micro-channels. The annular micro-channels are divided into alternating counter-clockwise and clockwise flow segments, achieving a double-sided heat exchange process where cold water first spirals down and is heated by the outer wall of the inner barrel heat exchange baffle, then rises and is heated a second time by the inner wall of the inner barrel heat exchange baffle. This ensures that the heat released by the refrigerant is fully absorbed, significantly improving heat exchange efficiency. The extended total water flow path minimizes the impact of cold water entering the thermal stratification, greatly increasing the hot water output rate.

The invention belongs to the technical field of water distributors, and relates to a rotational flow layered water distributor and a water distribution method suitable for a heat storage tank with a large depth-diameter ratio and a large storage capacity. The water distributor comprises a heat storage pool, an underground pump room is arranged outside the heat storage pool, a heat storage heat exchanger, a heat release heat exchanger, a pool water circulating pump and a valve are arranged in the underground pump room, and a high-temperature rotational flow water distributor and a low-temperature rotational flow water distributor are arranged in the heat storage pool; the high-temperature cyclone water distributor and the low-temperature cyclone water distributor are connected with the heat exchanger through pipelines to form a circulating system; the pool water circulating pump is connected with a low-temperature water pipeline and a high-temperature water pipeline through valves; each of the high-temperature cyclone water distributor and the low-temperature cyclone water distributor comprises an upper disc and a lower disc, and a plurality of arc-shaped flow channel supporting partition plates are welded between the upper discs and the lower discs to form a plurality of arc-shaped flow channels. And the contradiction between high jet velocity and thermal stratification stability maintenance inevitably caused by a traditional single-layer water distributor under a high-flow working condition is solved.

The application discloses a mold heating furnace capable of preventing heat loss, and relates to the technical field of mold heating. The mold heating furnace comprises a heating body, blowoff ports are symmetrically arranged on the two sides of the heating body, exhaust ports are arranged in the side wall grooves of the heating body, a placing table is slidably arranged in the heating body, a rotary motor is fixedly arranged in the placing table, circulating pipelines are equidistantly arranged on the two sides of the placing table, and a rotating rod is connected to the output end of the rotary motor. The sealing plates arranged on the two sides ensure the sealing property of the whole heating body, prevent heat loss, and periodically open and close the sealing plates through the push mechanism, so that the condensed gas accumulated in the heating body is discharged, the temperature difference between the upper and lower molds is prevented from being too large, and the mold moves up and down in the rotating process through the added moving mechanism, the heat stratification on the mold surface is destroyed, and the whole mold is heated more uniformly.

The present application relates to a kind of cold rolling process rolling oil spraying device for improving cold rolling limit reduction ratio, belong to metal processing machinery technical field.In prior art, steel coil inside support mode is prone to cause eccentricity of coil material trembles, and rolling oil static heating leads to viscosity gradient distribution, seriously affect the oil film integrity under limit reduction ratio.The present application is driven by the clamping assembly of pneumatic shunt, realize the flexible isobaric tension of the inner wall of steel coil, eliminate rotation eccentricity;With stress relief mechanism eliminates bending stress;Utilize the oil storage assembly with stirring and heating function to eliminate oil product thermal stratification, combined with the pressure enhancement and unblocking function of gas-assisted spraying mechanism, and the physical homogenization effect of scraping plate.The present application not only guarantees the transmission stability, more solves the problem of high viscosity rolling oil microscopic spraying uneven and nozzle blockage, improves the quality and production efficiency of cold rolling product.