206results about How to "Precise temperature control" patented technology

The invention discloses an intelligent temperature control method and system for a high-silica glass fiber production line, and relates to the technical field of high-silica glass fiber production.The intelligent temperature control method comprises the following steps that firstly, temperature sensors arranged at all nodes in a furnace hearth of a smelting furnace collect temperature data in real time, and on the basis of a finite element analysis algorithm, the temperature data are obtained; a regional temperature field model is constructed in combination with temperature data, content data of trace impurities in the raw materials are acquired in real time by adopting online detection equipment, the viscosity change trend of the melt under the current raw materials can be analyzed, the current temperature threshold value is dynamically adjusted according to the viscosity change, and the limitation of a traditional fixed temperature threshold value is broken through; the temperature control can better adapt to real-time fluctuation of trace impurities in raw materials, and proper temperature control can be realized under different raw material conditions, so that the qualified rate of products is effectively improved, the loss rate of the raw materials is reduced, manual intervention is reduced, the timeliness and accuracy of temperature control are improved, and the production cost is reduced. And the production efficiency and the product quality are further improved.

The invention discloses a residual gas treatment device of a hydrogen peroxide sterilizer, and relates to the technical field of gas treatment devices.The residual gas treatment device is technically characterized by comprising a treatment shell, a gas inlet pipe is fixedly connected to one side of the treatment shell, an exhaust pipe is fixedly connected to the upper end of the treatment shell, and a filtering assembly is arranged on one side of the gas inlet pipe; a plurality of catalyst plates distributed in a crossed mode are fixedly connected to the inner wall of the treatment shell, a preheating assembly is fixedly connected to the outer side wall of the treatment shell, the filtering assembly comprises a filtering box, a filtering net is installed on the inner wall of the frame, and a baffle is fixedly connected to one side of the filtering net; a cleaning assembly is arranged on the inner wall of the filter box and located on one side of the filter screen. Residual gas entering the treatment shell is preliminarily filtered through the filtering assembly, impurities such as solid particles in the gas can be effectively intercepted, pore channel blockage and active site loss caused by the fact that the impurities make contact with the catalyst plate are avoided, and it is ensured that the catalyst plate is always kept in an efficient catalysis state.

The invention discloses a method for preparing nitro-mesitylene through a micro-channel nitration reaction. The method comprises the following steps: respectively conveying mesitylene, fuming nitric acid and sulfuric acid to a micro-channel reaction module through a metering pump, and completing nitration reaction within a retention time of tens of seconds to several minutes. The introduction sequence of nitration reaction materials, the reaction retention time and the reaction temperature are cooperatively controlled, the nitration reaction is completed in the microchannel reactor in a continuous flow mode, operation is easy and convenient, safety is high, efficient continuous production can be achieved, meanwhile, emission of three wastes is reduced, and the industrial application advantages of being environmentally friendly and economical are achieved.

The utility model relates to a water -based paint multifunctional heat preservation bucket belongs to sand casting technical field to solve the problem that the existing sand casting production, because of winter environmental temperature is too low to lead to the performance of coating weakening, there is the problem of poor sand core dip coating quality and the decline of casting yield. The present application includes the barrel body, heating assembly and temperature control assembly, the inside of barrel body is equipped with the inner bucket to form the container cavity, the heating assembly includes heating water tank and circulating water pipe, heating water tank is equipped with heating part and water pump, circulating water pipe is installed in the inner bucket, and it is equipped with two connecting ports connected with heating water tank, the temperature control assembly includes inductor and controller, the inductor is installed in the inner bucket and heating water tank respectively, and inductor, heating part and water pump are electric connection with controller respectively. The heat preservation bucket of the present application can realize the coating heating preservation and coating stirring in the barrel, will not reduce the performance of coating, improve sand core coating quality and casting yield.

The utility model relates to valve machining technical field, especially a new type valve cover. Including base, annular pipe, reinforcing surface, fixed ring and annular groove, the annular groove sets up in the base body center position, two fixed ring respectively set up on the base body, and two fixed ring respectively are close to base body both ends setting, the annular pipe sets up in the base upward operation surface. Including raw material detection, heating and material preparation, making embryo and forging, intermediate detection, trimming and shaping, cooling and cutting, welding and processing, final detection, cleaning and polishing, equipment maintenance, the utility model has the beneficial effect that: through the close connection of annular pipe and annular groove, the sealing performance of valve cover is promoted, effectively prevents medium leakage, through strict raw material detection and each link quality detection, can effectively improve the quality of valve cover, enhances its sealing property and pressure resistance, reduces the occurrence of product failure and leakage problem.

The invention relates to the technical field of lithium battery positive electrode material preparation, in particular to coated doped type lithium manganese iron phosphate gradient temperature control preparation equipment and method.The equipment comprises five temperature control bins arranged side by side, a sintering bin, a vertical flow guide plate, a unique temperature control gas inlet assembly and the like work cooperatively, the temperature control gas inlet assembly can flexibly adjust the gas state, and the temperature control gas inlet assembly can control the temperature of the lithium manganese iron phosphate; the preparation method comprises the following steps: firstly, mixing a lithium source, a manganese source and the like with a specific composite carbon source, and performing spray drying to obtain precursor particles; according to the preparation method, the defects of a traditional preparation technology in the aspects of temperature control and coating forming are overcome, accurate gradient temperature control can be achieved, the temperature uniformity can be improved, the coating effect can be optimized, and the preparation method is suitable for industrial production. And the performance of the lithium manganese iron phosphate positive electrode material is remarkably improved.

The utility model relates to the technical field of ganoderma lucidum spore oil processing, in particular to storage equipment for decoloring ganoderma lucidum spore oil, which comprises a storage tank, a filter plate is fixedly connected inside the storage tank, a motor is fixedly connected to the bottom of the storage tank, and an output shaft of the motor extends into the storage tank, penetrates through the filter plate and is fixedly connected with a connecting plate. A scraping plate is fixedly connected to one side of the bottom of the connecting plate and makes contact with the top of the filter plate, dirt suction heads are fixedly connected to the interior of one side of the connecting plate at equal intervals, a communicating pipe is fixedly connected between the input ends of the multiple dirt suction heads, and a sediment suction pump is fixedly connected to one side of the storage tank. The ganoderma lucidum spore oil storage device has the advantages that the storage tank effectively isolates oxygen, the temperature control module accurately controls the temperature, the sediment suction pump is connected with the dirt suction heads through the dirt suction pipes, the sediment problem is solved, the quality stability of ganoderma lucidum spore oil in the storage process is comprehensively guaranteed, and the quality guarantee period is prolonged; compared with a traditional device, the operation quality and the use efficiency are greatly improved.

The utility model relates to the field of light curing material processing technology discloses a kind of filtering devices of light curing high viscosity monomer, including support base, the top of support base is provided with support plate, the left side of the top of support base is provided with spiral pressurizing mechanism, the spiral pressurizing mechanism is used to spiral pressure filtration high viscosity monomer to improve filtering effect, the right side of the top of support base is provided with collection mechanism, the top of support plate is provided with filtering mechanism, the right side of filtering mechanism is provided with drainage mechanism, the top of filtering mechanism is provided with temperature control heating mechanism. In the utility model, set up spiral pressurizing mechanism, motor drives screw driving rod, screw pressure plate is axially compact to high viscosity material, left and right side ascending assembly provides orientation, solve the problem that high viscosity material is difficult to filter due to poor flowability, improve the compacting effect of light curing high viscosity monomer, improve filtering efficiency and product purity.

The utility model relates to the technical field of spraying, and discloses a granite surface scratch-resistant wear-resistant coating spraying device which comprises a coating barrel and a moving trolley, the right end of the inner wall of the coating barrel is fixedly connected with a fixing strip, the left side of the fixing strip is fixedly connected with a motor protection shell, and the top of the inner wall of the motor protection shell is fixedly connected with a servo motor. The output end of the servo motor is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a plurality of stirring shafts, the middle of the outer wall of the rotating shaft is fixedly connected with two scraping plates, the middle of the inner wall of the coating barrel is fixedly connected with a liquid separation plate, and the right side of the top end of the liquid separation plate is fixedly connected with an electromagnetic valve. According to the utility model, the servo motor drives the rotating shaft, the stirring shaft and the scraper blade to stir the coating, the electromagnetic valve accurately controls the spraying component, the stirring and heating functions are realized through cooperation of a plurality of components, the coating is prevented from being solidified, the coating is saved, the efficiency of the device is improved, and the quality is ensured.

The application discloses a kind of welding methods of high-strength steel shell and low-strength steel inner shell penetration pipe of jacketed pressure vessel, core step includes: precision pretreatment before welding: size and defect detection, homogenization modification and preheating are carried out to machining bevel; Sequential optimization welding: the sequence of "first inside then outside" and "sectional skip welding" is combined, and prior to pipe side (high-strength steel side) is carried out backing surfacing welding; Strict welding control: the combined process of tungsten argon arc welding backing and electrode arc welding filling is used, interlayer temperature, heat input and weld size are accurately controlled; Timely and effective post-welding treatment: high-temperature post-heat treatment is carried out immediately after welding, or according to the structure constraint degree, choose whole intermediate annealing.The application effectively decomposes and releases welding stress through systematic process combination, inhibits the generation of crack, and significantly improves the welding quality and reliability of jacketed vessel penetration pipe joint.

The application relates to the field of friction stir solid-phase additive manufacturing, and particularly provides a friction stir solid-phase additive manufacturing device and method.The device comprises a feeding shaft, a heating part and a stirring shaft shoulder, the feeding shaft is provided with a feeding channel, a mounting part and a cooling flow channel; the feeding channel axially penetrates the feeding shaft, the feeding channel is provided with an inlet and an outlet, a target rod material is fed into the feeding channel from the inlet; the mounting part and the cooling flow channel are arranged in sequence along the moving direction of the target rod material; the cooling flow channel is provided with cooling liquid, which is used for cooling the plasticized material and the feeding shaft; the heating part is connected with the mounting part, is used for heating the passing target rod material and obtaining the plasticized material, and the plasticized material is discharged from the feeding shaft through the outlet; the stirring shaft shoulder is sleeved outside the feeding shaft and is rotationally connected with the feeding shaft, the stirring shaft shoulder is provided with a stirring friction part, and is used for stirring and friction of the target base material and the plasticized material to realize solid-phase additive manufacturing. The application effectively improves the additive efficiency, the space utilization rate and the additive quality.

This invention provides an imidacloprid recrystallization refining and purification device, belonging to the technical field of purification devices. It includes a mixing chamber inner liner, with a mixing chamber outer shell fixedly installed outside the inner liner. The inner wall of the mixing chamber outer shell and the outer wall of the mixing chamber inner liner enclose a sealed heating chamber. A crystallization chamber inner liner is provided on the side of the mixing chamber outer shell, and a cooling crystallization tube is provided inside the crystallization chamber inner liner. An adaptive disturbance mechanism is provided inside the crystallization chamber inner liner. This adaptive disturbance mechanism can adjust the disturbance amplitude of the imidacloprid solution according to its crystallization degree. In this invention, by providing an adaptive disturbance mechanism, core components such as a float, a swinging linkage, a telescopic rod, and a stirring plate are integrated. The float senses the density change of the imidacloprid solution in real time at each crystallization stage, generates corresponding buoyancy based on the density, and achieves lifting and lowering. This, in turn, links the swinging linkage to swing around the slider on the limiting post, driving the telescopic rod to extend and retract radially along the sealed tube, ultimately achieving adaptive adjustment of the disturbance amplitude of the stirring plate.

The application discloses a solar energy conversion system and an operation method thereof, and belongs to the technical field of renewable energy utilization. The system comprises a hydrogen and oxygen preparation and storage unit, a combustion and power generation unit and a flue gas treatment unit. A solar light condensation high-temperature heat collector supplies heat for a hydrogen preparation device to decompose water to prepare hydrogen and oxygen, the hydrogen and oxygen are stored after being cooled and compressed, and are sent into a combustion chamber to be mixed with circulating carbon dioxide to realize oxygen-rich combustion, supercritical carbon dioxide-water vapor flue gas is generated to drive a gas turbine to generate power, the flue gas is subjected to waste heat recovery and condensation separation, water is returned to the hydrogen preparation in a closed loop, and the pressurized carbon dioxide is branched to control the temperature of the combustion chamber and the gas turbine, so that full circulation of the working medium and cascade heat exchange are realized. The solar hydrogen preparation and supercritical carbon dioxide circulation are deeply integrated, energy utilization rate is high, and operation is stable. The application can solve problems of intermittency of solar energy, low efficiency of a traditional system, large thermal pollution and the like, is energy-saving and environment-friendly, and is good in economy.

This invention belongs to the field of fire extinguishing materials and their preparation technology, and provides a fire extinguishing microcapsule and its microfluidic controllable preparation method. The preparation method is characterized by the following steps: (1) preparing fluids of each phase, (2) preparing a dual emulsion using a microfluidic device, (3) collecting and sealing the dual emulsion in a collection container, controlling the axis of the collection container to be horizontal, and controlling the collection container to rotate around its axis for 1 to 15 minutes, applying light to solidify the outer shell of the dual emulsion droplets while maintaining the rotation of the collection container, cleaning, and drying to obtain the final product. The fire extinguishing microcapsule prepared by this method consists of an outer shell and a liquid fluorine-containing fire extinguishing agent encapsulated within the outer shell. The outer shell of the fire extinguishing microcapsule has a uniform thickness, and the eccentricity between the outer shell and the core is less than 0.1. The method of this invention can achieve precise customization of fire extinguishing microcapsules according to the differentiated fire characteristics of different application scenarios, and can improve the concentricity between the core and the outer shell of existing fire extinguishing microcapsules.

This application relates to a MEMS inertial measurement device, comprising: a structural support member, the structural support member having a temperature regulating element, and the temperature regulating element having a temperature sensor; a sensor board, fixed to the structural support member, with the sensor board and the structural support member forming a mounting cavity, the sensor board having a MEMS sensor, and the MEMS sensor, temperature regulating element, and temperature sensor all located within the mounting cavity; and an interface board, fixed to the sensor board, the interface board having an external communication chip and a temperature control circuit, the external communication chip being connected to an FPGA chip, the FPGA chip being signal-connected to the MEMS sensor, and the temperature control circuit being signal-connected to the temperature sensor and the temperature regulating element, the temperature control circuit being used to control the heating or cooling of the temperature regulating element based on the temperature measured by the temperature sensor. This application can achieve precise control of the ambient temperature around the MEMS sensor, ensuring the working environment of the MEMS sensor, thereby reducing the impact of external ambient temperature on the accuracy of the MEMS sensor.

The utility model discloses a kind of low-energy-consumption brine denitration systems, including membrane filter, plate heat exchanger, crystallizing tank and centrifuge connected in turn by process pipeline;The side portion of crystallizing tank is equipped with overflow, and overflow is connected with the cold medium import of plate heat exchanger by pipeline, and buffer tank is installed on pipeline;The cold medium export of plate heat exchanger is connected with output pipeline;Temperature sensor and regulating valve are installed on the pipeline between buffer tank and the cold medium import of plate heat exchanger, and on the output pipeline connected with the cold medium export of plate heat exchanger;Annular scraper of liftable motion is installed on the inner wall of crystallizing tank, and annular scraper top is connected with three hydraulic telescopic rods distributed in circumference.The utility model utilizes crystallizing tank overflow cold water precooling feed, greatly reduces the refrigeration load of cold water unit, reduces refrigeration energy consumption, can also keep tank wall clean and efficient heat transfer, avoid energy consumption rise due to scale formation.

The utility model provides a regulation and control device for improving the mixing efficiency of a polyamide 6 prepolymerization auxiliary agent, which comprises a phthalic acid regulation and control system, a piperidylamine regulation and control system, a titanium dioxide regulation and control system and a caprolactam regulation and control system, and the terephthalic acid regulation and control system, the piperidylamine regulation and control system and the titanium dioxide regulation and control system respectively comprise a regulation mechanism. The three adjusting mechanisms are all communicated with the dynamic mixer, and a second heat exchanger and a second static mixer are arranged between the terephthalic acid adjusting and controlling system and the piperidylamine adjusting and controlling system. The whole structure can reasonably regulate and control multiple auxiliaries, the feeding speed and amount of the multiple auxiliaries can be regulated and controlled, it is ensured that mixing is conducted according to a preset formula, and the feeding amount, the discharging amount and the pressure of the multiple auxiliaries are regulated and controlled and monitored on line through all devices of the regulating mechanism. And the mixing efficiency is high, the automation degree is high, a corresponding amount of raw materials can be automatically fed according to requirements, the working efficiency is greatly improved, and the large popularization value is achieved.

The air cooling temperature difference balancing device is applied to heat dissipation objects of the energy storage equipment and comprises a fixing support and a flow guide plate, the heat dissipation objects are arranged on one side of an air channel of the energy storage equipment in the air channel direction, and the fixing support is suitable for being arranged on the side, close to the heat dissipation objects, in the air channel; a plurality of air inlet holes are formed in the side, close to the air channel, of the heat dissipation object, the heat dissipation object is suitable for active air inlet through the air inlet holes, and the flow guide plate is suitable for being detachably and movably arranged on the fixing support and suitable for covering different numbers of air inlet holes and limiting air inlet of the air inlet holes. The device has the advantages of being good in temperature difference control capability, convenient to install, free of maintenance and high in reliability.

This utility model discloses a treatment head assembly with temperature control and heat dissipation functions, specifically relating to the field of electronic equipment manufacturing technology. It includes an operating head assembly for physiotherapy; the operating head assembly has an external functional component for temperature control adjustment; the functional component includes a heating element located at the top of the operating head assembly; the heating element includes four graphene heating plates arranged sequentially from top to bottom, with adjacent graphene heating plates welded together by silicone wire; two spaced-apart NTC sensors are located at the bottom of the heating element. This utility model integrates the NTC sensors and the heating element into a single structure, enabling precise temperature control of the graphene heating plates through the high-precision temperature measurement capability of the NTC sensors. This reduces heating errors and effectively shortens the response time for temperature regulation, improving medical efficiency and effectiveness.

The application discloses raw material oil for naphthalene distillation device and a production process using the same as raw material, the raw material oil comprises dephenol naphthalene oil and naphthalene residue, the weight ratio of the dephenol naphthalene oil and the naphthalene residue is (90-105):1, the naphthalene content of the raw material oil is controlled to be 72-76%, the dephenol naphthalene oil is obtained by dephenolizing naphthalene oil collected from a side line of a distillation column of a tar distillation device, and the naphthalene residue is a by-product generated by a phthalic anhydride device; the production process using the raw material oil for naphthalene distillation device as raw material combines the naphthalene distillation device and the phthalic anhydride device, uses the raw material oil as raw material, and prepares high-quality industrial naphthalene by optimizing process parameters, so that the additional value of the naphthalene residue is improved, the raw material cost is reduced, and the comprehensive benefits are greatly improved.

The application discloses a preparation method of a nickel-diamond composite electroformed wafer slicing cutter, and relates to the technical field of semiconductor wafer cutting tool manufacturing; the application adopts a three-stage temperature control and gradient current synergic regulation process, divides the electroforming into three stages of priming, composite deposition and post-treatment heat preservation, forms a temperature gradient and a current density gradient, and the parameter transition rate is 1-2 DEG C / min; the application is matched with three-step pretreatment of an aluminum-magnesium alloy, ultrasonic and mechanical alternating synergic stirring and an electroforming liquid formula containing a composite dispersant and an inhibitor. The application makes the diamond embedding rate reach more than 80%, the internal stress of the plating layer is lower than 144 MPa, the smoothness is equal to or less than 0.1 microns, the waste product rate is reduced to less than 20%, the service life of the slicing cutter is prolonged by more than 30%, no new equipment is needed, the production cost is low, and the industrial application value is high.

The invention discloses a method for preparing oxide glass based on an induction melting process and the oxide glass, the preparation method comprises the following steps: using a composite crucible to bear initial glass powder, the composite crucible comprises a first oxide layer, a conductive material layer and a second oxide layer which are arranged from outside to inside, a gap is formed between the second oxide layer and the conductive material layer, the composite crucible further comprises a protective felt, the gap is filled with the protective felt, the protective felt wraps the outer side of the second oxide layer, the protective felt is of a fiber structure, and the melting point of the protective felt is not lower than that of the initial glass powder; the initial glass powder is heated to a molten state through electromagnetic induction, a melt is obtained, the heating power in the first stage is in positive correlation with the heating time, and the heating power in the second stage is in a decreasing trend; and carrying out casting molding on the melt, and cooling to obtain the oxide glass.

The utility model discloses a liquid cooling device, especially relate to a heavy truck high -power direct current - direct current liquid cooling source system device, include: base, be provided with the fan casing on the base, be provided with the through -hole on the fan casing, install the fan on the through -hole. Liquid cooling system compares traditional air cooling system to have higher heat dissipation efficiency and lower thermal resistance, can better satisfy the heat dissipation demand of high -power equipment. For the heating component, design independent radiator, water pump, fan, when combining with automatic control equipment, can self -control operation, and the car machine gathers the heat source system operation information, ensures each system heat effective emission convenient for the maintenance and upgrade of heat dissipation system, reduce maintenance cost and time.

This invention relates to a method for producing low-density, high-strength, and high-toughness protective steel plates from continuously cast billets, belonging to the field of metallurgy. The steel plate is an Fe-Mn-Al-C series austenitic low-density steel plate with an austenitic matrix supplemented by dispersed fine precipitated carbides, achieving high strength and high toughness, thus meeting the requirements for ballistic protection. The steel plate has a production thickness of 6-12 mm, a width of 1600-3000 mm, and a density of 6.75-7.05 g / cm³. 3 It has a density 7.85 g / cm³ higher than that of conventional steel. 3 The steel plate exhibits at least a 10% reduction in weight, good machinability and weldability, and excellent ballistic protection performance. A 6mm thick steel plate meets the NATO AEP STANAG 4569 standard Level I ballistic protection requirements, while a 12mm thick steel plate meets the NATO AEP STANAG 4569 standard Level II ballistic protection requirements. Production process: smelting—continuous casting—slow cooling—rolling—heat treatment—finishing—inspection—warehousing.

The utility model relates to a rotor refrigerating plant of vacuum centrifuge, including mounting seat, semiconductor refrigeration subassembly and fluid passage, semiconductor refrigeration subassembly is used to form refrigeration end and heat -generating end, the heat -generating end is pasted with mounting seat, the refrigeration end is used to radiate refrigeration to rotor, the mounting seat is used to bear semiconductor refrigeration subassembly and conduction heat, fluid passage sets up in mounting seat, fluid passage is used to flow circulation refrigerant and take away the heat of mounting seat, the utility model discloses a clever combination of the refrigeration of semiconductor refrigeration subassembly and fluid passage circulation refrigerant heat dissipation, forms stable temperature difference in vacuum environment, utilizes heat radiation and exchanges heat to give rotor cooling, has solved the rotor refrigeration heat dissipation problem of vacuum centrifuge.

The application discloses a kind of nano-silica polycarbonate film moisture permeability detection device, it is related to polycarbonate film detection technical field, including water storage tank and adjusting assembly, the top of water storage tank is connected with load disc by one-way valve, and the inside of load disc is placed with lower partition, the top of lower partition is provided with top cover, and the inside of top cover is placed with upper partition, the periphery of load disc is connected with connecting assembly.The application forms multiple independent test chambers by lower partition and upper partition, which makes it possible to place the same sample in multiple different humidity environments simultaneously and efficiently for comparison testing when detecting the moisture permeability of nano-silica polycarbonate film. The humidity environment is accurately generated by the humidifying unit and drying unit, and the mixture ratio of dry and wet gas input into each chamber is flexibly adjusted by the bus adjusting valve, thereby achieving wide-range humidity control.

The utility model provides a continuous rolling and forming tea leaf processing device, which relates to the technical field of tea leaf processing and comprises a working barrel, a discharging screen drum is coaxially connected in the working barrel, a rolling assembly is connected in the discharging screen drum and comprises a temperature controller and a plurality of layers of rolling disc groups, protrusions and grooves are formed in the outer circle of the multi-layer rolling disc set. The tea rolling device solves the problems that in the prior art, the tea rolling forming effect is not stable, and the application range is limited.

The efficient PVDF hollow fiber microporous membrane preparation device comprises a tank body and a stirring assembly, a stirring mechanism is installed on the tank body, and the efficient PVDF hollow fiber microporous membrane preparation device is characterized in that the tank body is installed in a heating tank in an embedded mode, the heating tank is connected with a temperature control assembly, a dispersing assembly is arranged on the stirring mechanism, a cleaning assembly is arranged in the tank body, and the cleaning assembly is connected with the stirring mechanism. According to the utility model, the dispersing plate with the conical structure is arranged below the feeding pipe in the tank, and is arranged on the stirring rod, so that when materials at the feeding hole fall onto the dispersing plate for construction, the materials are dispersed along the inclined surface of the dispersing plate and fall into a solvent below from the leaking holes formed in the dispersing plate, and the materials are uniformly dispersed; therefore, the materials are fed in a dispersed and uniform manner, and the material uniform mixing effect is enhanced; by additionally arranging the cleaning assembly, the tank body can be conveniently cleaned after preparation, and by additionally arranging the temperature control assembly, the temperature required by stirring is accurately controlled, so that the preparation effect of the membrane casting liquid is improved.

This utility model relates to the field of compound preparation technology, specifically to a system for preparing 3-hydroxy-4-methoxycinnamicaldehyde based on mother liquor. The apparatus includes: a cryo-crystallization vessel, a centrifuge, a mother liquor collection tank, a water recovery vessel, a condenser, and a mother liquor water collection tank. The cryo-crystallization vessel freezes and crystallizes a reaction mixture containing 3-hydroxy-4-methoxycinnamicaldehyde, then centrifuges it to obtain mother liquor and 3-hydroxy-4-methoxycinnamicaldehyde crystals. The mother liquor is collected and then passed into the water recovery vessel for vacuum distillation. The distillate from the water recovery vessel is condensed by the condenser and sent to the mother liquor water collection tank. The second outlet of the water recovery vessel is connected to the inlet of the cryo-crystallization vessel to transfer the residual liquid from the water recovery vessel to the cryo-crystallization vessel for further cryo-crystallization, followed by centrifugation to obtain 3-hydroxy-4-methoxycinnamicaldehyde crystals.