123 results about "Reaction timing" patented technology

The invention relates to the technical field of industrial process control, in particular to a chloroacetic acid production data storage method and system, and the method comprises the following steps: obtaining an initial temperature, reaction time and ratio, extracting a feeding batch and chlorine flow, sorting a parameter and batch correspondence table, judging the process consistency of adjacent batches, generating a grouping table, and establishing a channel label structure. Path level information is sorted, a stage path table is generated, data archiving is completed, and the numbering relation is registered. According to the method, accurate integration of batch data is realized through cross acquisition of multi-source parameters and time information association. And the process consistency identification accuracy is improved based on the dynamic judgment of the adjacent batch parameter floating range. The establishment of the channel affiliation relationship ensures that the data structure is clear, the path hierarchical mapping is combined with the operation state and the time label, and the staged data organization capability is enhanced. And the data arrangement efficiency and traceability are improved through automatic filing, and the constitutive property and collaboration of batch data management are integrally enhanced.

The invention discloses a novel dry-process deacidification reaction device which comprises a shell and an adsorbent spraying assembly arranged on the outer side wall of the shell, the shell comprises an outer cylinder and an inner cylinder arranged in the outer cylinder in a sleeved mode. The adsorbent spraying assembly comprises a mounting pipe and a spraying pipe which is arranged in the circumferential direction of the mounting pipe and penetrates through the mounting pipe; the lower end of the mounting pipe is connected with a material spraying pipe through a reducer union, and the material spraying pipe is obliquely and downwards arranged on the outer side wall of the inner barrel short joint; the injection pipes are obliquely arranged in the circumferential direction of the mounting pipe; the flue gas deacidification device is reasonable in structural design, and adopts a vertical sleeve structure, so that flue gas enters the inner cylinder from the bottom to reach the top and then flows downwards, and the retention time of the flue gas in the device is prolonged, so that the reaction time of the flue gas and an adsorbent is prolonged, and the flue gas deacidification effect is improved; in addition, the floor area of the device can be saved due to the vertical arrangement of the device structure, so that the construction investment cost is saved.

Disclosed are systems, apparatuses, and methods for a suspended load control system which controls tension on a winch control line in order to decrease latency between movement or rotation of the load control system and the load and reduce a reaction time between movement or rotation of the load control system and the load.

The invention relates to the technical field of chemical production automatic control, in particular to a hexachlorodisilane automatic production control system and method. Data are corrected through the temperature compensation model, side reaction caused by inaccurate temperature is avoided, the temperature and pressure of the reaction kettle are adjusted through negative feedback of the self-adaptive temperature and pressure control model, a gain function is dynamically adjusted according to the reaction time, and the control precision is improved; on the basis of online component analysis, a mathematical regression analysis model is established, coefficients are determined through machine learning, and a production parameter optimization module is used for calculating the opening degree of a return valve and optimizing parameters of a rectifying tower so as to reduce by-products and guarantee the quality of hexachlorodisilane; according to a data analysis result, automatic safety inspection is automatically carried out, the explosion risk is quantitatively evaluated, leakage is detected and speculated through a leakage positioning algorithm, graded protection signals are matched, safety measures are executed, and production safety is guaranteed.

The utility model relates to the technical field of detection equipment, in particular to a fluorescence immunoassay analyzer. Comprising a machine body, a detection window is arranged on the front side of the machine body, a multi-channel reaction disc is arranged on one side of the detection window, a plurality of incubation grooves are formed in the front side of the multi-channel reaction disc, the multi-channel reaction disc comprises a plurality of independently arranged timing modules, buzzers and indicator lamps, and the buzzers and the indicator lamps are electrically connected with the timing modules. When the reaction time of the test card on a certain channel in the multi-channel reaction disc is over, the buzzer and the indicator light can give an alarm; the device can immediately detect a plurality of temperature-controlled test cards in sequence, and does not need to wait for the completion of the temperature control of the next test card, so that a large amount of time can be saved.

The invention provides a micro-fluidic chip and a manufacturing method thereof, the micro-fluidic chip comprises an injection channel, a mixing channel and a reaction channel, the mixing channel is communicated with the injection channel, and the reaction channel is communicated with the mixing channel; the reaction channel comprises at least two reaction sub-channels, and the lengths of the at least two reaction sub-channels in the reaction channel are unequal in the extension direction of the reaction channel. Quantum dot raw materials are injected from the injection channel of the micro-fluidic chip, and the quantum dot raw materials flow into the reaction channel after being uniformly mixed in the mixing channel; the longer the synthesis time of the colloidal quantum dots in the container is, the larger the size of the quantum dots is, and the lengths of at least two reaction sub-channels in the embodiment are not equal, so that the reaction time of the colloidal quantum dots is different, and the quantum dots with different sizes can be synthesized, namely, the quantum dots with different sizes can be synthesized through one test; the high-flux synthesis of the micro-fluidic chip is realized.

1. The name of the design product: high-speed electromagnetic valve. 2. The use of the design product: the design product is used for the on-off control of gas pipeline, including the control of flow and reaction time. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

To give a temperature stimulus as intended by a service provider to a user without depending on the setting of the user himself / herself or the answer of the user to a question.SOLUTION: The controller 5 measures the temperature of the skin S using the temperature sensor 4 while controlling the temperature presentation unit 2 to provide a temperature stimulus to the skin S, and acquires, based on the measurement result, a first variation indicating the variation in the temperature of the skin S from the start of the temperature stimulus to a predetermined time and a second variation indicating the variation in the temperature of the skin S from the end of the temperature stimulus to a predetermined time. The acquired first and second amounts of change are input to a temperature stimulus adjustment model representing the relationship between the first and second amounts of change and the reaction time, which is the time required for the user to notice a change in temperature caused by a temperature stimulus, to estimate the reaction time of the user, and the intensity of the temperature stimulus provided by the temperature presentation unit 2 is controlled according to the estimated reaction time of the user.SELECTED DRAWING: Figure 1

The present invention relates to the field of feeding and discharging, and discloses a feeding system and a feeding method for intermediate synthesis, comprising: based on monitoring and analyzing the distribution of a catalyst bed during an alkylation process, establishing a deactivation model in combination with pressure fluctuations to dynamically compensate for catalyst activity, and adjusting the catalyst dispersion and feeding rate through the deactivation model; upon completion of alkylation, obtaining an oxidant concentration during an oxidation process, establishing an objective function related to reaction time based on the oxidant change rate, calculating a reaction time deviation through the objective function, and intelligently adjusting the oxidant feeding frequency in combination with the analysis; obtaining feeding parameters of multiple historical reaction cycles, establishing a three-layer intelligent control model to deeply coordinately optimize the reaction time and feeding parameters, constructing a time-scale-associated deactivation model and a time-scale-coupled free radical prediction model to solve the optimal adjustment amount; performing real-time adaptive control on the feeding parameters, and integrating predictive maintenance for feedback iteration.

The invention proposes a method for reducing power fluctuations for operating a data centre, wherein the data centre has a plurality of installations which have different reaction times with respect to their operation. The method is characterised by the following steps: - (S1) providing a plurality of disjoint reaction classes which are arranged in ascending order with respect to their reaction times, wherein each installation is assigned to one of the reaction classes; - (S2) providing a prediction for the time-dependent total power of the data centre for a prediction period, wherein the prediction comprises information about the variance over time of the total power; - (S3) determining a reaction-class-specific time-dependent power for each reaction class on the basis of the variance over time of the total power, wherein the powers are determined in such a manner that they lead to a reduction in the power fluctuations of the data centre; and - (S4) operating the installations of the respective reaction class such that the time-dependent power determined for each of the reaction classes is provided by the installations of the respective reaction classes. The invention further relates to a device for controlling the total power of a data centre, and to a data centre.

The present invention discloses a method and system for monitoring the progress of an intermittent resin production reaction. The monitoring method includes the following steps: collecting historical data and preprocessing the data; mining key features that affect the molecular weight of reactants based on the preprocessed data; dividing the resin reaction stages and establishing reactant molecular weight prediction models for different time periods based on the key features; establishing a time series prediction model based on the output of the reactant molecular weight prediction model for different time periods; inputting the output of the reactant molecular weight prediction model for different time periods or the reactant molecular weight detected offline into the time series prediction model to generate a curve of reactant molecular weight versus reaction time; and monitoring the reaction progress based on the reactant molecular weight change curve to determine the reaction stop time. This method can reduce the number of sampling and testing times, reduce tedious and repetitive work for employees, and more accurately predict the stop time of the resin reaction.

Provided is a technology with which it is possible to form a high-quality film on a main surface of a substrate without significantly reducing the productivity. In this reactive sputtering method, a thin film that contains a first element and a second element is formed on a main surface of a substrate by alternately repeating a sputtering step for forming a first element film on the main surface and a reaction step for reacting the first element film and the second element after the sputtering step. The reactive sputtering method includes: (a) a first reactive sputtering step (S11) that includes a first sputtering step (S21) and a first reaction step (S22); and (b) a second reactive sputtering step (S12) that is executed after the first reactive sputtering step (S11) and includes a second sputtering step (S23) and a second reaction step (S24). The reaction time for reacting the first element film with the second element is longer in the first reaction step (S22) than in the second reaction step (S24).

The present application relates to the field of liquid-liquid two-phase reaction, and discloses a kind of liquid-liquid two-phase reaction method, liquid-liquid two-phase reaction device and application, the method includes: in the one side of permeation medium and set up the first region containing first reactant, in the other side of permeation medium and set up the second region containing second reactant;The pressure P1 of setting the first region is less than the pressure P2 of the second region;Under the action of pressure difference between pressure P1 and pressure P2, the second reactant passes through the permeation medium, contacts the first reactant and reacts;The first reactant is the first liquid phase reactant, and the second reactant is the second liquid phase reactant.The method provided by the present application controls the suction force between the two-phase reaction zone, and then controls the reaction speed, ensures that the reactants are efficiently mixed and reacted, shortens the total reaction time, does not need to dilute the reactants by a large multiple, effectively reduces the cost of reactant materials, and improves the reaction efficiency.

The invention discloses a controllable instantaneous freezing electron microscope sample preparation method and device, and the method comprises the steps: S10, installing a TEM copper mesh with a sample on a sample stage, monitoring the reaction process of the sample by a control system, and automatically sending out a freezing trigger signal by the control system when the reaction of the sample reaches a trigger threshold value; s20, a lead screw driving device drives a lead screw through a high-pressure pneumatic system to drive the sample table to be immersed into the freezing liquid in the freezing bin within 50 ms, so that a sample which is instantly frozen within 100 ms is obtained; s30, separating the sample table from the screw rod, taking out the TEM copper mesh, and transferring the TEM copper mesh to a liquid nitrogen freezing transfer rod; and S40, inserting the liquid nitrogen freezing transfer rod into a transmission electron microscope, and obtaining a TEM image of the sample at a corresponding moment in a liquid crystal phase change or electrochemical process. Through the setting, when the sample reaches the trigger threshold value during reaction, the freezing process is automatically triggered, so that the non-equilibrium state structure of the sample in a specific reaction state and a reaction time point is accurately captured.

The utility model discloses a four-footed crawling robot for measuring the response time of a clamp. A shell of the air cylinder is hinged to the machine body, and the pneumatic end of the air cylinder is connected with a power input shaft of the gear transmission mechanism through a push rod. The first sliding block I, the first sliding block II, the second sliding block I and the second sliding block II are respectively connected with the gear transmission mechanism through respective legs; the first first sliding block and the first second sliding block are both connected with the first side sliding rail in a sliding mode, and the second first sliding block and the second second sliding block are both connected with the second side sliding rail in a sliding mode. The first side sliding rail and the second side sliding rail are vertically arranged in parallel; and clamping devices are installed at one ends of the first first sliding block, the first second sliding block, the second first sliding block and the second second sliding block, the clamping devices of the first first sliding block and the first second sliding block are used for clamping a first side sliding rail, and the clamping devices of the second first sliding block and the second second sliding block are used for clamping a second side sliding rail. The utility model provides a novel clamp measuring device which utilizes gravity to measure the reaction time of a clamp.

The invention belongs to the technical field of low-temperature solid-phase synthesis, and particularly relates to a microwave-assisted low-temperature solid-phase synthesis method and device. The microwave-assisted low-temperature solid-phase synthesis method comprises the following steps: placing a reaction cavity of a spiral gas-solid two-phase flow reactor in a microwave-assisted heating system, and applying a microwave heating field to the reaction system in the reaction cavity by adopting a microwave generator; under the condition of a microwave heating field, carrier gas and feed gas are introduced into the spiral gas-solid two-phase flow reactor by using compressed gas, and the feed gas brings materials into a reaction cavity for continuous low-temperature solid-phase synthesis reaction. The microwave-assisted heating system is used for carrying out assisted heating on the reaction system, so that the reaction time for preparing various materials is shortened, and the synthesis efficiency of the materials is improved; moreover, the mass and heat transfer efficiency in the low-temperature solid-phase reaction process is improved, the reaction time of each material is shortened, and the purity and yield of a target product are improved.

The invention discloses an airflow ball-milling low-temperature solid-phase synthesis method and an airflow ball-milling low-temperature solid-phase synthesis device. Comprising the steps that grinding balls are placed in a reaction cavity containing spiral airflow, the hard grinding balls are driven to move at a high speed, the hard grinding balls and reactant powder are subjected to mechanical actions such as violent collision, friction and smashing, and the low-temperature solid-phase synthesis reaction is carried out. According to the invention, the spiral airflow field is adopted to drive the grinding balls to apply a mechanical effect on the reactants, so that the utilization rate of the spiral airflow field on the feed-in mechanical energy of the solid reactants is improved, and the collision and friction of the grinding balls can also avoid adhesion and blockage of materials in the reaction cavity; the self-cooling effect of an airflow field is utilized to take away heat generated by friction and collision of the grinding balls, so that the device is suitable for a system related to heat-sensitive substances, adhesion and blockage of materials in a reaction cavity are avoided, effective proceeding of a continuous preparation process is guaranteed, the reaction time of the materials is shortened to be within 30 s and is more than ten times faster than that of a traditional method, and the method is suitable for industrial production. And the preparation efficiency is improved by more than three orders of magnitude.

The application provides a kind of solvent-free salt formation reaction equipment and process, shell is provided with feed inlet, feed inlet is connected with the grinding chamber in the shell feed, temperature control sleeve is arranged outside the grinding chamber, and the reaction cabin capable of overturning is arranged in the grinding chamber;Ultrasonic tool head is arranged on the grinding chamber above the reaction cabin, the top cover of the reaction cabin can be opened and closed, and the bottom cover of the reaction cabin is hollow fiber reverse osmosis membrane.The process of the application is simple, the combination device can effectively eliminate the influence of raw material residues, the water is removed quickly and completely, the reaction time is short, the energy consumption is low, the content of the obtained product is high, the impurities are few, and a new idea is provided for the synthesis of related products of such raw materials.

To provide a fully-continuous synthesis method of glyphosate.SOLUTION: In the present invention, high-purity glyphosate is prepared by using a fully-continuous system in which a feed pump, a plurality of micromixers, a plurality of microchannel reactors, a dynamic rotary reactor, a buffer tank, a back pressure valve, a continuous reaction-kettle-type reactor, and a continuous crystallizer are sequentially connected, in which glycine is used as a raw material.EFFECT: According to the present invention, stable fully-continuous industrial production is achieved, no external intervention is required during the process, the efficiency of time and space is high, the number of operators and the labor intensity are greatly reduced, the production cost is greatly reduced, complicated operations in the conventional reaction-vessel process, a rapid rise of temperature in the kettle and the risk of material ejection are avoided, production safety is improved, the quality of glyphosate products is ensured, the operation of the apparatus is stable, the reaction time is short, the reaction yield is high, and the quality of the product is stable.SELECTED DRAWING: Figure 1

The utility model relates to a mixed reaction device which comprises a tank body, a water inlet, a water outlet, a gas vent, an emptying port, a bracket and a guide plate. According to the device, sewage and a water treatment agent can be fully mixed and reacted, the reaction time is shortened, and the efficiency of a water treatment system is improved.

The invention discloses a preparation method of an ionic liquid precursor for a medium and low voltage aluminum capacitor, which adopts a compound containing carboxyl or sulfydryl as a catalyst, has higher catalytic efficiency, can prepare a product with higher conversion rate under a milder condition, can greatly shorten the required reaction time, saves energy consumption, and is suitable for industrial production. The method is more suitable for industrial production.

The application provides a photochemical reactor, method and system with total reflection characteristics, and relates to the technical field of photochemistry.The application aligns a light source with the direction of a reaction fluid, and uses total reflection conditions to constrain light energy in a reaction system, thereby forming an orderly propagating optical waveguide structure, and fundamentally solving the problem of serious loss caused by disordered scattering of light energy, wall absorption and transmission in the prior art.Orderly and efficient use of light energy enables faster reaction rate under the same light intensity, or higher light intensity can be used under small pipe diameter, thereby greatly improving reaction efficiency and shortening reaction time.The reactor structure of the application is only a simple pipe structure, and does not need complex optical fiber coupling or nested channels, and linear amplification can be realized through simple series connection or parallel connection without obvious adverse amplification effect.Two total reflection modes can be flexibly selected to adapt to reaction systems with different refractive indexes, are widely applicable, and have simple structure and low energy consumption, and meet the requirements of green chemistry.

The present application relates to a kind of staged automatic driving driver takeover reaction time prediction method and system, comprising: based on the decoupling of driver takeover behavior into three stages into three stages based on multi-resource theory;Define and decompose the calculation of three-stage takeover reaction time;With static, quasi-static, dynamic data as input, the multi-modal fusion reaction time prediction model is constructed;Using the model trained to realize takeover reaction time in advance, real-time and continuous prediction;Model is deployed in human-in-the-loop driving simulation experiment platform and automatic driving experimental vehicle, to provide support for the online evaluation of driver takeover ability.Compared with the prior art, the present application significantly improves the interpretability and transparency of the takeover process, improves the accuracy of driver takeover reaction time prediction, enhances the generalization ability of the model, and provides more adaptive technical tools for the safety intervention and takeover strategy optimization of the automatic driving system.

Method for operating a motor vehicle comprising a drive unit (1) having at least one internal combustion engine (2), a transmission (4) connected between the drive unit (1) and an output (5), and a separating element (7), wherein when the separating element (7) is closed the internal combustion engine (2) is operatively connected to the transmission, and when the separating element (7) is open the internal combustion engine (2) is not operatively connected to the transmission. wherein, to execute a switching operation, a previously closed switching element (6) of the transmission (4) is opened and a previously opened switching element (6) of the transmission (4) is closed, wherein, in an overlap phase of the switching operation preceding a speed equalization phase of the switching operation, the torque that can be transmitted by the switching element to be opened is reduced and, overlapping with this, the torque that can be transmitted by the switching element to be closed is increased, where, when an upshift from an actual gear to a target gear is requested and, in parallel, the starting of the stationary combustion engine (2) and its connection to the transmission (4) is requested, a reaction time for the upshift to be performed and a start time for the internal combustion engine (2) are determined, wherein the reaction time is the time available until the end of the overlap phase of the upshift to be performed is reached, and wherein the start time is the time required until the actual speed of the internal combustion engine reaches the transmission input speed of the actual gear, then, if the start time is shorter than the reaction time, the transmission input speed of the current gear is used as the target speed of the internal combustion engine, the internal combustion engine (2) is brought to the target speed of the internal combustion engine with the separating element (7) open, and subsequently the separating element (7) is closed before the end of the load transfer phase, then, if the start time is greater than the reaction time, the transmission input speed of the target gear is used as the combustion engine target speed, the combustion engine (2) is brought to the combustion engine target speed with the separating element (7) open and subsequently the separating element (7) is closed after the end of the speed equalization phase.

The present invention relates to a continuous reaction method and a continuous reaction apparatus, the reaction steps including an input step, a mixing step, a reaction step, and an output step, in the input step, a first reactant and a second reactant are independently input, the first reactant and the second reactant cannot be mutually dissolved, and the first reactant and the second reactant cannot be mutually dissolved; in the mixing step, a first reactant and a second reactant are dispersed into fine particles and fully mixed, the first reactant is at least one of halogen atoms which can be different from each other, Y is one or more H, F, lower alkyl, lower alkoxy, phenoxy, nitrile or trifluoromethyl, m is 0 or an integer of 1-5, and n is an integer of 1-2; the second reactant is an aqueous solution containing a catalyst. Compared with a traditional intermittent process, the method has the advantages that the reaction time is shortened from more than 30 hours to about 8 hours, the reactant conversion rate can reach 99.5% or above, the product selectivity is greater than 98%, byproducts are few, and the continuous process is high in safety.

The invention discloses a multi-parameter adaptive biochemical kit configuration method based on fusion of a genetic algorithm and a particle swarm optimization algorithm (GA-PSO), which is characterized by comprising the following steps: constructing a theoretical framework containing an enzymatic reaction mechanism, an enzyme kinetic parameter library and a mathematical calculation model; in combination with parameters such as input sample volume, reagent volume, reaction time and linear range, automatic derivation of formulas of the reagent I and the reagent II is realized through GA global search and PSO local optimization cooperative calculation; under a 0.5 cm optical path system, the TBA corresponding to 180 [mu] mol / L is less than or equal to 0.8 in A405nm, the TBA corresponding to 5 [mu] mol / L is greater than or equal to 0.036 in A405nm, the intra-batch CV is less than or equal to 2.5%, and the inter-batch CV is less than or equal to 3.5%. By replacing enzyme kinetic parameters (such as a target enzyme Km), a reaction mechanism and a detection wavelength, the method can be extensively applied to enzymatic detection kits for glucose, urea and the like.

The present invention provides a synthetic fuel manufacturing apparatus that can perform multiple processes in a single unit when manufacturing synthetic fuel by mixing oil and water. [Solution] To continuously perform the process of mixing and reacting water and oil, which have different specific gravities, and then separating the two liquids, the system is equipped with reaction / separation tanks T3 and T4, which consist of an inner reaction tank T3 and an outer separation tank T4. The inner reaction tank T3 reacts the mixed liquid, which is supplied by a stirring pump P2, while stirring it. The mixed liquid is taken from the bottom of the reaction tank T3 and discharged into the outer separation tank T4 via a separation pipe 3 that is sent to the top of the separation tank T4. The discharged mixed liquid is separated into two types based on the difference in specific gravity and discharged from the oil outlet at the top of the separation tank and the water outlet at the bottom of the separation tank. At this time, the outlet height of the separation pipe 3 to the separation tank can be adjusted according to the reaction time in the reaction tank T3.

This invention provides a reaction and separation tank that can perform multiple processes in a single unit when mixing oil and water to produce synthetic fuel. [Solution] To continuously perform the process of mixing and reacting water and oil, which have different specific gravities, and then separating the two liquids, the system is equipped with reaction / separation tanks T3 and T4, which consist of an inner reaction tank T3 and an outer separation tank T4. The inner reaction tank T3 reacts the mixed liquid, which is introduced by a stirring pump, while stirring it. The mixed liquid is taken from the bottom of the reaction tank T3 and discharged into the outer separation tank T4 via a separation pipe 3 that is sent to the top of the separation tank T4. The discharged mixed liquid is separated into two types based on the difference in specific gravity and discharged from the oil outlet 4a at the top of the separation tank T4 and the water outlet 4c at the bottom of the separation tank T4. The separation pipe 3 has a double-pipe structure in which two pipes can move relative to each other, and the outlet height to the separation tank T4 can be adjusted according to the reaction time in the reaction tank T3.

The utility model relates to the technical field of hydrogen production equipment, in particular to a novel chemical looping hydrogen generator which comprises a reaction container, a lower rotating mechanism, an upper rotating mechanism, a feeding mechanism and a steam generator, a plurality of annular protrusions with different diameters are concentrically arranged on the upper surface of a lower rotating disc at intervals, the upper rotating disc and the lower rotating disc of the upper rotating mechanism are close to each other and share the same rotating shaft, a plurality of annular net cylinders with different diameters are concentrically arranged on the lower surface of the upper rotating disc at intervals, and the annular net cylinders and the annular protrusions are staggered with each other with gaps reserved. The metal powder filled in the feeding mechanism enters the lower rotating disc through the upper rotating mechanism, high-temperature steam generated in the steam generator enters the upper rotating disc through the lower rotating mechanism, and the metal powder moves outwards in staggered gaps, so that the reaction time can be prolonged; the up-down rotating mechanism enables the metal powder to be kept in a discrete flying state, the contact area can be increased, and the conversion efficiency is improved.

The utility model provides a polydextrose polymerization reaction device which comprises a supporting base and a reaction box, a supporting discharging structure is arranged at the bottom of the supporting base, a self-adaptive stirring assembly is arranged at the top of a mounting extension plate, flow guide assemblies are symmetrically arranged at the two ends of the reaction box, and limiting blocking assemblies are arranged at the two ends of the supporting base. Positioning groove structures are formed in the two ends of the reaction box, and a heating control plate is arranged at the bottom of the reaction box. According to the polydextrose polymerization reaction device provided by the utility model, the self-adaptive stirring assembly and the flow guide assembly which are arranged in the device are matched for use, so that glucose raw materials in the device can be uniformly mixed, a disordered flow field is formed in the device, the reaction time is shortened, and the molecular weight distribution of a product is narrower. Meanwhile, through the arrangement of a limiting blocking assembly and a positioning groove structure, a user can conveniently mount and dismount the reaction box in the device, so that later cleaning treatment is facilitated.