1267results about How to "Precise temperature control" patented technology

The invention discloses a temperature correction method and system for a hot press, and particularly relates to the technical field of hot press temperature control, and the method comprises the steps: obtaining and preprocessing multi-dimensional operation data, including a temperature time sequence, pressure setting and material attributes; constructing a coupling model based on the multilayer neural network, and predicting temperature distribution of different process stages; performing sensor drift compensation, analyzing temperature deviation characteristics, judging whether sensor drift or material thermal diffusion abnormity exists or not, and generating a local distortion mark; determining a compensation mode according to the distortion mark, and starting a local compensation mode or a global balance control mode if the distortion is recognized as over-limit distortion; and comparing with the output of the coupling model, verifying the temperature correction effect, and if the deviation is reduced and the distortion mark is converged, outputting a stable temperature correction result. The problems of temperature distortion and sensor drift are effectively solved, and the long-term precision and stability of the hot press under complex working conditions are improved.

The invention discloses a power distribution station high-temperature alarm system and a processing device, and relates to the technical field of high-temperature alarm, and the system comprises a sensor deployment and control module, a dynamic threshold discrimination module, a hierarchical linkage disposal plan library and a disposal backtracking monitoring module. The sensor deploying and controlling module is used for constructing a three-dimensional model of the power distribution station through laser scanning and photogrammetry; according to the invention, the three-dimensional model of the power distribution station is constructed by using the laser scanning and photogrammetry technology through the sensor deployment and control module, the heating part of the equipment is accurately analyzed, and the installation feasibility and accessibility of the sensor are evaluated, so that the reasonable layout of the sensor is realized, the comprehensiveness of temperature monitoring is improved, and the accurate temperature measurement of key parts is ensured; in addition, through a dynamic threshold value judgment module, a deep learning algorithm is combined with transfer learning and generative adversarial network technologies, the limitation of a fixed threshold value is broken through, temperature abnormity is judged more accurately, tiny faults are positioned more accurately, and the situations of false alarm and missing report are effectively reduced.

The invention provides a multi-parameter collaborative optimization battery charging and discharging management system integrated with a thermal management technology, and aims to improve the charging and discharging efficiency and safety of a battery and prolong the service life of the battery. The system monitors key parameters such as the temperature, the voltage, the current and the internal resistance of the battery in real time through a high-precision sensor, and the parameters are comprehensively analyzed through the data fusion technology. A core optimization algorithm adopts a genetic algorithm or deep learning, a charging and discharging strategy is dynamically adjusted, and battery performance maximization is achieved. The thermal management module effectively controls the temperature of the battery through a cooling fin, a liquid cooling system or a phase change material, overheating and supercooling are prevented, and the safety and stability of the battery are improved. The user interface is friendly, the battery state is convenient to monitor and adjust, and the system has wide application prospects in the fields of electric automobiles, renewable energy storage and the like.

The invention relates to a temperature control technology of an energy storage system, and discloses a temperature control system and method of a lithium ion battery energy storage system, which can realize accurate temperature control, reduce the power consumption of temperature control and reliably guarantee high-efficiency and long-life operation of the lithium ion battery energy storage system. The temperature control system comprises a battery management system, a heat management system and a battery temperature sampling unit, the battery temperature sampling unit is used for sampling the temperature of each battery cell in the energy storage system in real time; the battery management system is used for generating a temperature control strategy according to a preset temperature feature point in combination with the current temperature data of the battery cell and the current working state of the energy storage system, and issuing the temperature control strategy to the thermal management system; the temperature characteristic point is preset according to characteristic data of a battery cell used in the energy storage system; and the heat management system is used for controlling the temperature of the energy storage system by executing a temperature control strategy. The method is suitable for the energy storage system.

The invention relates to the technical field of boiler temperature measurement, in particular to a waste heat boiler three-dimensional temperature field construction method and system and a medium. The method comprises the following steps: performing optical fiber sensor grid deployment on the waste heat boiler to obtain a distributed temperature acquisition network; sampling the distributed temperature acquisition network to obtain a boiler real-time temperature sequence; performing data preprocessing on the boiler real-time temperature sequence to obtain a boiler initial temperature field; based on the initial temperature field of the boiler, fluid dynamic model parameter construction is conducted on the waste heat boiler, and a boiler fluid characteristic parameter set is obtained; performing multi-physical field coupling on the boiler fluid characteristic parameter set to obtain a boiler theoretical temperature field; acoustic sensor array arrangement and data acquisition are carried out on the waste heat boiler, and acoustic spectrum acquisition data are obtained. By fusing various temperature field data, respective advantages and limitations can be complemented, and comprehensive and accurate temperature information of the waste heat boiler is obtained.

The invention relates to the technical field of new energy ships, in particular to a new energy ship power battery cabin cooling system which comprises a cooling box body, the cooling box body wraps a power battery, a fluid cavity channel used for cooling liquid circulation is formed in the cooling box body, and a water cooling system comprises a water pump and a pipeline connected with the cooling box body. The water pump pumps a cooling water source from the water tank and circulates through the fluid cavity channel to take away heat generated by the power battery, the phase change material module is arranged in the cooling box body, and a phase change material absorbs the heat and generates phase change when the temperature of the battery reaches a preset value so as to reduce the temperature generated by the battery; the intelligent control system comprises a temperature sensor, a flow sensor and a central control unit, monitors temperature and flow data of the power battery and the cooling system in real time, and dynamically adjusts operation of the water pump, the flow of cooling water and the working state of the heat energy recovery module. The cooling efficiency and the energy utilization rate of the system are comprehensively improved.

The invention relates to the field of machine room temperature control, in particular to an efficient machine room approaching temperature control method, and the method comprises the steps: combining historical data prediction with real-time sensor data, and adaptively adjusting the state of a refrigeration system; the cabinet layout and the airflow path are dynamically optimized by using a thermal imaging technology; the air flow design is optimized through computational fluid dynamics, and an air door and a fan are intelligently controlled; heat recovery and renewable energy utilization are implemented, and the energy efficiency is improved; establishing a multi-stage redundant refrigeration system, and predicting and preventing faults; remote monitoring and automatic operation and maintenance are achieved by means of the Internet of Things and AI, accurate control over the temperature of the machine room is ensured, energy consumption is reduced, and operation and maintenance efficiency is improved.

The invention relates to the technical field of electric cooker intelligent control, in particular to an intelligent control system of an electric cooker. Comprising an electric cooker monitoring module, an intelligent temperature control module, a fault diagnosis and protection module, an energy-saving optimization module and a remote control module. The electric cooker monitoring module monitors state data such as voltage, current and temperature in real time, and the intelligent temperature control module controls the temperature through a fuzzy self-tuning PID algorithm. The fault diagnosis and protection module analyzes the state of equipment elements based on the graph neural network, diagnoses faults in real time and triggers a protection mechanism. And the energy-saving optimization module optimizes energy consumption scheduling by using a Monte Carlo tree search algorithm and a Q learning algorithm. And the remote control module realizes remote control through GSM and feeds back the state and progress of the electric cooker to a user. Through combination of multiple functions such as accurate monitoring, intelligent control and energy-saving optimization, the intelligent level, the operation convenience and the use safety of the electric cooker are improved.

The dryer comprises a dryer shell, an inner cavity of the dryer shell is divided into a drying agent cavity and a heating module wiring cavity which are independent of each other through an end face structure, a heating module barrel sleeve is arranged on the end face structure in a penetrating mode, and the two ends of the heating module barrel sleeve stretch into the two independent cavities respectively. Two air tap connectors communicated with the drying agent cavity are arranged on the outer wall of the dryer shell at intervals, a drying agent drying assembly is arranged between the outer wall, located between the two air tap connectors, of the heating module barrel sleeve and the inner wall of the dryer shell, and a heating body assembly is arranged in the heating module barrel sleeve. A connector assembly is arranged on the outer wall of the dryer shell and used for being connected with an external power source, and the heating body assembly is electrically connected with the connector assembly. According to the invention, related connector design is simplified, product cost is reduced, airtightness failure caused by structural deformation after long-term work of the plastic assembly is avoided, high-efficiency and low-loss heating control can be realized, and system arrangement is more flexible.

The invention discloses a temperature control system of a stainless steel welded steel pipe heat treatment furnace, which belongs to the technical field of stainless steel heat treatment, and specifically comprises a temperature sensor used for measuring the temperature in the heat treatment furnace in real time and outputting a temperature signal; the data acquisition module is used for converting the temperature signal into a digital signal; the controller is used for receiving the digital signal, calculating a temperature difference value between an actual temperature and a set temperature in the heat treatment furnace and calculating a heat difference value according to the temperature difference value, and the controller screens parameters representing the aging degree of the equipment and stores a prediction model of the parameter relationship between the heat deviation and the aging degree of the equipment; the controller calculates a heat deviation value of the heat treatment furnace according to the prediction model; the controller adjusts a control signal output to the heating device according to the heat deviation and adjusts the heating power of the heat treatment furnace; and the visual interface is used for setting the stainless steel process type and the heating power and displaying the real-time temperature and the system working state.

The invention discloses an intelligent temperature control system and method for hot-pressing compounding equipment, and belongs to the technical field of hot-pressing compounding, and the system establishes a functional relationship between the temperature of an internal adhesive layer of a part and the temperatures of the upper and lower surfaces of the part, the temperature of a mold, the environment temperature and the heating time. According to the takt time needed by production, the temperature and heating time needed by the upper mold and the lower mold are automatically calculated, the temperature of the upper surface and the lower surface of a part is monitored in real time, and when the heating time is up, the temperature of an adhesive layer just reaches a set value, so that product quality defects caused by insufficient heating are avoided, and energy loss caused by excessive heating is avoided. Therefore, on-demand heat supply is achieved, energy waste is reduced, the production period is shortened, and the production efficiency and the quality stability of the hot-pressing composite technology are improved.

The invention provides a fluidized bed control method, device and equipment and a storage medium, and the method comprises the steps: collecting a real-time temperature, a first pressure difference and a second pressure difference of a fluidized bed, the first pressure difference being a real-time pressure difference between an upper measurement point and a lower measurement point, which are different in preset height, of the fluidized bed, and the second pressure difference being a real-time pressure difference between the upper measurement point and the lower measurement point; the second pressure difference is a real-time pressure difference between the high-pressure stock bin and the fluidized bed; according to the first pressure difference and the second pressure difference, a cascade control method is used for determining control parameters of a pressure supplementing valve on the pressure adjusting pipe; the opening degree of the pressure supplementing valve on the pressure adjusting pipe is adjusted based on the control parameters of the pressure supplementing valve; according to the real-time temperature, determining a power parameter of the heater by using a cascade control method; and controlling the heating power of the heater based on the power parameter. And the fluidized bed pressure difference and the fluidized bed reaction temperature can be accurately controlled.

The invention discloses a cotton yarn stretching testing device, and belongs to the technical field of cotton yarn stretching testing devices, the cotton yarn stretching testing device comprises a stretching tester, the upper surface of the stretching tester is fixedly connected with a support frame, and the side surface of the support frame and the upper surface of the stretching tester are provided with clamp pieces; the humidity protection pipe is arranged on the outer surface of the supporting frame, and the outer surface of the supporting frame is fixedly connected with an electric push rod. Meanwhile, cold air can be blown into the sealed protective cover through an air cooler, a cold air pipe, a connecting pipe and an air outlet pipe to create a cold and wet environment, a temperature and humidity sensor can monitor the temperature in the protective cover in real time, and the limitation that a traditional cotton yarn can only be subjected to a stretching test under the dry condition is avoided; it is ensured that the test result is closer to the actual application environment, accurate control over the humidity and temperature of the test environment is achieved, and the stretching test of the cotton yarn under different cold air and humidity climates can be simulated.

The invention belongs to the technical field of silicon steel processing, and discloses an oriented silicon steel normalizing pickling temperature control system and a control method thereof.The system comprises an acid tank, a conveying device, a spraying device, a circulating tank, a reflux pump, a conveying pump, a temperature adjusting device and an upper computer; the upper computer is used for controlling the temperature adjusting device and the conveying pump according to detection results of the temperature sensors, so that the temperature of the acid liquid in the acid tank is accurately controlled, and meanwhile, different environment temperature conditions can be adapted; the device has the advantages of accurately controlling the temperature of the acid liquor in the acid tank, adapting to different environment temperature conditions, and improving the pickling effect and the production efficiency.

The invention provides a skin care composition with an anti-aging effect and a preparation method and application thereof, and belongs to the technical field of beauty and skincare, the composition is characterized in that retinol, a polypeptide compound, ceramide, astaxanthin and resveratrol have a synergistic effect on component combination, so that all-around anti-aging is realized, and the skin care effect is good. According to the present invention, the raw materials are respectively adopted to provide effects of collagen generation promotion, muscle contraction wrinkle solving, barrier function enhancing, free radical scavenging, melanin formation inhibition and the like, the preparation method comprises the following steps: precise temperature control, suitable stirring mode, high-precision stirrer and other advanced technologies ensure uniform mixing of the components, inert gas protection and PID temperature controller retention of the activity and the effects of the components, in the aspect of application, the composition is reasonably added into face cream, emulsion, essence and facial mask, diversified requirements are met, deep nourishing, refreshing care, efficient permeation and instant effects are respectively provided, in a word, an efficient, safe and comprehensive anti-aging scheme is provided for consumers, aging signs are improved, and the composition is wide in prospect and high in value.

The invention relates to the technical field of metallurgical processes, and discloses a rolling process of high-vanadium low-silicon manganese alloy steel, raw materials of the steel are designed, the raw materials comprise basic metal and alloy elements, smelting is performed according to the designed raw materials to obtain a primary bar shape, an alloy steel bar is moved into an induction heating furnace to be preheated, and the alloy steel bar is cooled to the room temperature to obtain the high-vanadium low-silicon manganese alloy steel. The preheated alloy steel bar is moved into a line rolling machine, deformation system parameters are designed, the rolling temperature, speed and roll gap parameters are adjusted, confirmation and checking are conducted again according to the deformation system, the rolling temperature, the speed and the roll gap parameters designed in the previous step, after all the parameters are correctly set, equipment is started, and the rolling time is shortened; and meanwhile, real-time monitoring equipment is arranged to adjust parameters in the rolling process so as to maintain proper rolling conditions, when the rolling temperature is too high or too low, monitoring information is transmitted to the cooling water automatic control system through a network, the flow of cooling water is automatically adjusted, and the phenomenon of overheating in the steel forming process can be avoided in the adjusting process.

The invention relates to a heating furnace temperature coupling type control system and method based on grid temperature measurement, and belongs to the field of industrial heating furnaces. The heating furnace comprises a heating furnace body, a grid temperature measurement system, a coupling type control system and a furnace temperature control method. The heating furnace body is divided into different areas, and the grid temperature measuring system is composed of a plurality of high-temperature gas sensors and used for measuring the flue gas temperature of the different areas in the furnace. The coupling type control system comprises a pulse type combustion control system and a section adjusting type combustion control system, operation of the combustor can be adjusted in real time according to the difference between the temperature in the furnace and the set temperature, and therefore accurate control over the temperature in the furnace is achieved. According to the control method, different control strategies are adopted according to furnace blanks in different temperature ranges. By means of the method, efficient and accurate control over the temperature in the heating furnace can be achieved, meanwhile, energy consumption is optimized, and heating quality is improved.

The invention relates to the technical field of inorganic non-metallic materials, in particular to an onion carbon preparation method based on a metal organic framework and onion carbon. The preparation method comprises the following steps: S1, synthesizing a metal organic framework precursor; s2, preliminary pyrolysis of the metal organic framework precursor; s3, etching and decomposing the formed metal particles; and S4, carrying out secondary pyrolysis on the primary pyrolytic carbon material. The carbon diameter of the prepared onion is 5-20 nm, and the carbon layer spacing is 0.34 nm. According to the preparation method, a metal organic framework is taken as a precursor, a two-step pyrolysis method is adopted, the precursor is carbonized at high temperature, a carbon material is etched again by ammonia gas and other gases released by thermal decomposition of melamine, and under the action, graphene is rearranged in the form of the same sphere center layer to form onion carbon particles with uniform sizes. The temperature and the reaction time in the preparation process can be accurately controlled, the preparation process is simple, the cost is low, the prepared onion carbon has relatively high purity and uniformity, and the oxygen reduction catalytic activity can be improved.

The invention discloses a method for extracting and recovering metal elements in a lithium battery by using a chlorination method, and belongs to the technical field of lithium battery recovery, the method comprises the following steps: step 1, roasting a lithium battery positive plate to remove organic matters, and stripping to remove aluminum foil to obtain electrode material powder; step 2, placing the electrode material powder on a carrier of a Joule heating device, carrying out thermal shock treatment in a chlorine atmosphere, and heating and chlorinating in stages in the treatment process; step 3, desublimating gas generated after chlorination in each stage; and 4, adding the desublimated solid in each stage into deionized water, mixing, adding a sodium carbonate aqueous solution, collecting the precipitate, washing, and drying to obtain a metal salt product. Based on the characteristics that Joule heat can rapidly heat and accurately control the temperature, by combining the difference between the temperature of chlorination reaction of different metal oxides and the gasification temperature of a chlorinated product, staged gasification desublimation treatment is achieved, different metal chlorides are obtained, and accurate and efficient purification is achieved.

The invention relates to the technical field of refrigeration control, in particular to a water cooling system, a control method and a first-stage water cooling assembly, the water cooling system comprises a first circulation loop piece, a first control piece and a first adjusting piece, the first control piece is arranged on the first circulation loop piece, and the first adjusting piece is arranged on the first circulation loop piece; the second-stage water cooling assembly comprises a second circulation loop piece, a second control piece and a second adjusting piece, the second circulation loop piece is arranged on the first control piece and the first adjusting piece, the second control piece is arranged on the second circulation loop piece, the second adjusting piece is arranged on the second circulation loop piece, and the second control piece is arranged on the second circulation loop piece. Through interaction between the first-stage water cooling assembly and the second-stage water cooling assembly and combination of fuzzy control through PID, when semiconductor equipment and a particle accelerator operate, the water inlet temperature of a load can be accurately controlled.

A radiation distance adjustable glass heating device is characterized in that a ceramic roller way is arranged in a furnace body in a penetrating manner, an upper heating assembly and a lower heating assembly are respectively arranged above and below the ceramic roller way, and each of the upper heating assembly and the lower heating assembly comprises a plurality of heating elements which are sequentially arranged left and right; each heating element is arranged in the furnace body through a fixing frame, a temperature measuring element is arranged on one side of each fixing frame, the other side of each fixing frame is connected with a driving unit, and the control mechanism can control the driving unit to act to conduct lifting adjustment of the heating elements through temperature feedback of the temperature measuring elements. Therefore, the local radiation distance of the surface of the to-be-heated glass can be accurately adjusted. The radiation distance adjustable glass heating device is simple in structure and convenient to use, the control mechanism can regulate and control the radiation distance between each heating element and the glass in real time through the driving unit by means of feedback of the temperature measuring element, and the problem that the local temperature is difficult to accurately control when the glass is heated is solved.

The invention provides a double-tube vacuum vertical furnace body cooling system which comprises a main cooling water circulation unit, a water pipe network is arranged on the periphery of the outer wall of a furnace body, and the whole outer surface of the furnace body is covered with the water pipe network attached to the outer wall of the furnace body for cooling; the auxiliary cooling water circulation unit is connected with the cooling water output end of the active cooling water circulation unit, directional cooling is carried out on calibration components in the furnace body through the auxiliary cooling water circulation unit, a plurality of temperature sensors are arranged on the outer wall of the furnace body and in the furnace body, and the temperature sensors collect the environment temperature and send the environment temperature to the main cooling water circulation unit. The data are imported into the comprehensive processing unit; a pressure monitoring module, a water quality processing module and a control module are arranged in the comprehensive processing unit, and the pressure monitoring module collects pressure data of the main cooling water circulation unit and feeds back the collected data to the control module and the water quality processing module.

The invention relates to the technical field of cryopumps, in particular to a cryopump baking regeneration system, a baking method and a regeneration method.The cryopump baking regeneration system comprises a pump shell, a baking device, a refrigerating device, a nitrogen purging device and an air extractor, a pump cavity is formed in the pump shell, and a first-stage cold array and a second-stage cold array are arranged in the pump cavity; the baking device is arranged on the periphery of the pump shell and used for heating the pump cavity. The refrigerating device is connected with the first-stage cold array and the second-stage cold array and used for refrigerating the first-stage cold array and the second-stage cold array, so that the temperature of the first-stage cold array and the temperature of the second-stage cold array are lower than the preset temperature. The nitrogen purging device communicates with the pump cavity and is used for introducing hot nitrogen into the pump cavity; the air extractor is communicated with the pump cavity and is used for exhausting air in the pump cavity; through cooperation of the baking device and the refrigerating device, parts, except for refrigerating mechanisms with poor temperature resistance, such as a primary cold array and a secondary cold array, in the low-temperature pump can reach a high temperature, so that the low-temperature pump can discharge air more quickly and more thoroughly, and the low-temperature pump can reach a better vacuum degree.

The invention discloses a high-speed adhesive film tape casting forming machine which comprises an extrusion die, a first cooling roller, a second cooling roller and a third cooling roller and further comprises a conveying belt support fixed to a roller support, and a first tensioning roller and a second tensioning roller are rotationally supported on the conveying belt support. A conveying belt deviation rectifying device is further installed on the conveying belt support. A rubber film conveying belt is wound on the tensioning roller I, the tensioning roller II, the cooling roller III, the cooling roller II, the cooling roller I and the conveying belt deviation rectifying device; a glue film temperature control device is mounted on the conveying belt bracket, and the glue film conveying belt penetrates through the glue film temperature control device; the adhesive film temperature control device comprises a temperature control box body installed on the conveying belt support, two air uniformizing pore plates are fixedly installed in the temperature control box body, and the adhesive film conveying belt penetrates through the space between the two air uniformizing pore plates which are parallel to each other and spaced. The high-speed casting forming machine not only can effectively improve the production efficiency of the casting film, but also can ensure the stability of the production quality of the casting film.

The invention relates to the technical field of biomass energy utilization, in particular to a method for producing biogas by biomass fermentation, which comprises the following steps: pretreating raw materials, collecting agricultural wastes, forestry residues, organic household garbage and other biomass raw materials, sorting and crushing the biomass raw materials until the particle size is 1-3mm, putting the biomass raw materials into a soaking pool and adding biogas slurry for soaking, adding a compound enzyme preparation, and stirring and soaking for 12-24 hours at 30-40 DEG C; draining the pretreated raw materials, inoculating microbial flora, and transferring into an anaerobic fermentation tank; in the initial stage of fermentation, the temperature in the tank is 28-32 DEG C, the pH value is 6.5-7.0 and is kept anaerobic, after the gas production rate is increased, the temperature is adjusted to 35-38 DEG C, the pH value is 7.0-7.2, and a buffering agent is added in good time. According to the method, the biomass raw materials are subjected to fine pretreatment, so that complex organic components in the biomass raw materials can be fully decomposed, more organic matters which are originally difficult to utilize by microorganisms are converted into fermentable substrates, the gas production efficiency is remarkably improved, and compared with a traditional method, the biogas yield can be remarkably increased.

The embodiment of the invention provides a high-low humidity step switcher and method for testing the performance of a humidity sensor. The device is applied to the technical field of sensor performance detection and comprises a sealing cylinder, a sealing cover, a sealing plug, a push-out device, a detected humidity sensor and a gas pipeline, the sealing barrel is of a barrel-shaped structure with two through ends, one end of the sealing barrel is buckled with a sealing cover, and the other end is fixedly connected with a sealing plug, so that the sealing barrel forms a closed space; one end of the push-out device is fixedly connected with the sealing cover, and the other end of the push-out device penetrates through the sealing plug and then is connected with a gas pipeline; a detected humidity sensor is mounted on the push-out device; and the gas pipeline is used for pumping out gas in the sealing cylinder or introducing external humidity gas. In this way, the humidity environment can be rapidly switched, the step starting point can be accurately indicated, and therefore the testing efficiency and precision of the tested humidity sensor are effectively improved.

The invention discloses a built-in heat exchange double fluidized bed reaction device, which is used for a biomass raw material hydrogen production process, and comprises: a gasification chamber, which is of a cylindrical structure and is provided with a conical surface at the bottom, and the conical surface is provided with a hole for introducing bubbling fluidizing air; the combustion chamber is of a tubular structure and is arranged in the gasification chamber in a sleeved mode, the bottom of the combustion chamber is in an open state, and the combustion chamber is arranged in the conical surface area and used for introducing vertically-upward combustion-supporting air; the material returning units are arranged at the upper part of the reaction device, are uniformly arranged along the circumferential direction and are used for carrying the high-temperature bed material particles from the combustion chamber to an annular gasification area outside the combustion chamber and mixing the high-temperature bed material particles with biomass raw materials in the gasification area to produce hydrogen; the material returning unit is provided with a loosening chamber and a material returning chamber, and a bottom plate of the loosening chamber is obliquely arranged towards the material returning chamber. Through the built-in design of the double fluidized beds, the feeding pipe and the return feeder are prevented from being exposed at room temperature, and the heat loss of the reactor is reduced; and meanwhile, the device can provide enough regeneration time for the bed material under the condition of keeping a relatively high solid conveying rate.

The invention relates to the technical field of metal processing, and discloses a hot press molding process for metal product manufacturing, which comprises the following procedures: S1, raw material preparation, S2, mold design and manufacturing, S3, preheating treatment, S4, hot press molding, S5, cooling and demolding, S6, post-treatment and S7, packaging and storage.The process can improve the product quality, and the product quality is improved through strict raw material preparation; according to the die, impurities are removed, the size precision is ensured, a foundation is laid for high-quality products, the shape and size precision of the products is ensured, the consistency and reliability of the products are improved, the hot-press forming process is optimized, the temperature, pressure and time are accurately controlled, a die cavity is fully filled with metal materials, internal defects of the products are reduced, and the product quality is improved. The mechanical property of the product is improved, meanwhile, the production efficiency is improved, the hot press forming difficulty is reduced through the reasonable preheating treatment and the segmented pressurizing and heating mode, and the forming speed is increased.

The invention belongs to the field of organic chemical synthesis, and relates to a method for continuously synthesizing 1-nitroanthraquinone. A microreactor continuous flow circulation system is adopted, the raw material anthraquinone is prepared into slurry, and the slurry reacts with concentrated sulfuric acid with a set feeding flow in the continuous flow circulation system to realize continuous nitration of anthraquinone. The process for continuously synthesizing the 1-nitroanthraquinone by using the method is simple, the time is greatly shortened compared with that of a kettle type process, the requirement on equipment temperature control is lower, the solid slurry can continuously flow in the pipeline without blocking the pipeline, the reaction operability is improved, the product selectivity is good, and the raw material conversion rate is high. The microreactor continuous flow circulation system adopted by the invention has better mass and heat transfer efficiency, the reaction temperature control is more accurate, the explosion risk is reduced, and the operation process is safer.

The invention relates to the technical field of leather processing, in particular to a leather forming processing device for automotive trim. The device comprises a pretreatment device and a mold device, the rear side of the mold device is connected and provided with a trimming device, the front side of the mold device is connected and provided with a heating device, and the mold device is internally provided and connected with a cooling device. The pretreatment device is used for improving the quality and the processing efficiency of leather, improving the consistency of products and effectively shortening the production cycle, the mold device is used for forming the leather, ensuring the size accuracy and effectively improving the consistency of the products, and the heating device is used for softening the leather, facilitating subsequent processing, improving the process effect and effectively improving the quality of the products. The cooling device is used for rapidly cooling leather, stabilizing the size and effectively improving the product precision, the trimming device is used for finely adjusting the leather and improving the finished product quality, and the safety monitoring device is used for guaranteeing the safety of the machining process and effectively improving the operation safety.