285 results about "Snowflake" patented technology

The invention discloses a video stream anomaly detection method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a video stream, and performing picture interception on the video stream based on a preset time interval to obtain multiple frames of images in a first format; performing format conversion on the multiple frames of images in the first format to obtain multiple frames of images in a second format; multi-dimensional anomaly detection is carried out on the multiple frames of images in the second format to obtain an anomaly detection result, the multi-dimensional anomaly detection comprises at least two of lagging detection, blurred screen detection and black screen detection, the lagging detection is used for detecting whether the video stream has a picture lagging condition or not, and the blurred screen detection is used for detecting whether the video stream has a picture lagging condition or not; the blurred screen detection is used for detecting whether the video stream has a blurred screen display fault or not, and the blank screen detection is used for detecting whether the video stream has a blank screen display fault or not. According to the technical scheme, various abnormal conditions of the video stream are comprehensively detected, and the efficiency and accuracy of video stream anomaly detection are improved.

The invention provides a snowflake ice making assembly and a snowflake machine. The snowflake ice making assembly comprises: a housing; the evaporator is rotationally arranged in the shell; the sensor is arranged on the shell and is connected with the control module; the top cover assembly is rotationally arranged at the top of the shell and used for opening or closing the top opening of the shell; the front door assembly is rotationally arranged on the front side of the shell and used for opening or closing the opening in the front side of the shell; the triggering mechanism is arranged on the inner side of the top cover assembly or the inner side of the front door assembly; when the front door assembly and the top cover assembly are both closed, the front door assembly or the top cover assembly pushes the trigger mechanism to trigger the sensor, the sensor sends a first signal to the control module, the control module controls the evaporator to rotate, and when the front door assembly or the top cover assembly is opened, the trigger mechanism relieves triggering of the sensor, and the sensor sends a second signal to the control module. And the control module controls the evaporator to stop rotating. The snowflake ice making assembly and the snowflake machine are high in safety performance and convenient to clean.

The invention relates to a large-size glass product with a natural ice crystal imitating effect and an industrial casting method of the large-size glass product. The product is a lead-free glass casting with the weight larger than or equal to 100 kg, dendritic crystal-shaped or snowflake-shaped devitrified phases which are formed by growing calcium fluoride as crystal nucleuses and are distributed randomly are arranged in the product, and the three-dimensional aesthetic effect imitating natural ice crystals is achieved. The method comprises the following steps: mixing lead-free glass particles with a calcium fluoride nucleating agent with a specific particle size, and filling a mixture into a special mold with a three-layer composite structure and a temperature monitoring function; and executing a four-stage programmed thermal regulation including melting homogenization, nucleation cooling, isothermal crystallization and super-slow multi-step annealing, wherein the melting and heat preservation time and the maximum thickness of the product meet the quantitative relation of t = k.H. Through systematic collaboration of materials, molds and processes, the technical problems that crystallization in large-size glass is not uniform and cracking is easily caused by thermal stress are solved, high yield and stable mass production of products of 500 kg or above are achieved, and the method is suitable for the fields of high-end buildings, art devices and decoration.

The snow sweeping robot and the snow sweeping system disclosed by the application, wherein the snow sweeping robot comprises: a snow sweeping device, a vehicle body fixedly connected with the snow sweeping device for carrying the snow sweeping device to move, the vehicle body is provided with a battery mounting position for fixing a battery, and the snow sweeping robot further comprises a charging module for charging the battery, and the charging module is arranged at the bottom of the vehicle body to charge the snow sweeping robot from the bottom to the top. The snow sweeping robot disclosed by the application is provided with the charging module on the lower surface of the chassis, so that the whole vehicle body plays a shielding role, and snowflakes cannot fall on the surface of the charging module when it snows, so that the charging module is prevented from being hindered by accumulated snow on the surface.

1. The name of the design product: the main body of the tablet computer protective shell (snowflake). 2. The use of the design product: the overall design product is a protective shell for protecting a tablet computer, and the claimed part is used as the main body of the protective shell. 3. The design points of the design product: the shape of the solid line drawing. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the design product is a partial design, the claimed part is the solid line part in the view, and the dashed line part is not claimed.

The invention belongs to the technical field of high-voltage cable accumulated snow thickness detection, and particularly relates to a high-voltage cable accumulated snow thickness detection device which comprises a mounting frame, the mounting frame is mounted on an iron tower, and the upper side wall of the mounting frame is fixedly connected with a controller. According to the invention, when snowflakes fall on the surface of the sample wire, the vibration of the high-voltage cable under strong wind can be simulated, so that the sample wire and the high-voltage cable are in similar vibration frequency and amplitude, the accuracy of the thickness detection of the accumulated snow on the surface of the high-voltage cable is further improved, and when the sample wire is utilized to simulate the high-voltage cable, the detection precision is improved. According to the device, the sample line can keep different sags to bear accumulated snow, the distribution condition of snowflakes on the surfaces of the sample lines with different sags is fully simulated, and when the thickness of the accumulated snow on the surfaces of the sample lines with different sags is detected, the moving path of the laser detection element can be changed along with the change of the sags of the sample line, so that the measurement precision is ensured.

The invention discloses a supply chain traceability anti-counterfeiting method and system based on cooperation of internal and external codes, belongs to the technical field of supply chain management, and aims to solve the technical problem of how to improve the anti-counterfeiting traceability safety and reduce the cost. Comprising the following steps: for each production batch, generating a unique ID through a snowflake algorithm; generating a private key and a public key for each production batch; for each production batch, constructing an outer code label in a two-dimensional code form based on the batch ID, the outer code ID and the generated outer code signature, and constructing an inner code label in a two-dimensional code form based on the batch ID, the commodity ID and the generated inner code signature; scanning and analyzing the external code label and the internal code label, comparing the regenerated abstract with the original abstract obtained by decryption for the external code, if the comparison result is consistent, returning the supply chain data and recording the scanning record, if the comparison result is consistent for the internal code, returning the commodity information, and if the current internal code label is scanned for the first time, returning the commodity information and recording the scanning record. And marking the associated outer code as invalid.

The invention discloses a railway power distribution network fault information automatic diagnosis and positioning method and system, and belongs to the technical field of power distribution fault diagnosis and positioning, and the method comprises the steps: employing an auxiliary classification generation adversarial network, obtaining a class-balanced standardized training data set, and carrying out the preprocessing; mapping the preprocessed data in the standardized training data set into a snowflake-shaped SDP image under a two-dimensional polar coordinate system, inputting the snowflake-shaped SDP image into a fault diagnosis model based on a deep convolutional neural network, and outputting a fault section and a preliminary fault distance; constructing a physical circuit model of railway power distribution network distribution parameters, and calculating theoretical simulation voltage and simulation current by using a transmission line equation; and starting iterative correction based on the Pearson's correlation coefficient of each data, and outputting a diagnosis result. According to the method, high-precision, high-reliability and self-adaptive fault information automatic diagnosis and positioning are realized by fusing data enhancement, feature transformation, intelligent diagnosis, physical inversion check and topology self-adaptive adjustment.

The utility model relates to the field of liquid drainage, in particular to a liquid drainage structure and a snowflake ice maker, the liquid drainage structure comprises a machine body and a liquid storage disc, the machine body is provided with an ice making groove, and the liquid storage disc is arranged in the ice making groove; a liquid overflow opening is formed in the liquid storage disc, a first overflow pipe communicated with the liquid overflow opening is arranged in the liquid storage disc, and the top end of the first overflow pipe is lower than the edge of the liquid storage disc; and a liquid discharge channel is arranged at the bottom of the ice-making tank, and is arranged below the liquid overflow opening so as to lead out liquid. According to the utility model, concentrated drainage is realized, and overflow is prevented.

The application provides a laser curtain wall image optimization system and method based on laser ranging analysis, and relates to the technical field of laser curtain walls.The application generates snowflake point probability and non-snowflake point probability by performing probability analysis on a snowflake point set and a non-snowflake point set, improves precision through variance analysis, and introduces a variance analysis module for snowflake points and non-snowflake points, which helps to deeply understand the intensity distribution characteristics of different reflection sources, outputs a reflection intensity threshold based on the size of the variance, optimizes the precision of laser ranging, and effectively identifies laser points that have passed through snowflake reflection and laser points that have not passed through snowflake reflection through the setting of a laser point cloud collection module and a division module, thereby realizing accurate classification of laser data; considering the possible jitter of the laser equipment under the influence of wind, the jitter data of the equipment are acquired in real time through a jitter collection module and an analysis module, and correlation analysis is performed with the reflection intensity threshold, thereby ensuring the authenticity of the data.

The festival decorative snowflake tree comprises a supporting base, a supporting rod and a snowflake frame, a positioning pipe is fixed to the middle of the upper end of the supporting base, the supporting rod is arranged at the upper end of the positioning pipe, the snowflake frame is arranged outside the supporting rod, and a decorative lamp strip is installed on the surface of the snowflake frame. Moving rollers are arranged at the bottom of the supporting base, positioning seats are fixed to the upper ends of the moving rollers, and the four sets of moving rollers are symmetrically arranged. According to the festival decoration snowflake tree with the lamp, by arranging the movable rolling wheel structures capable of being stored, the moving convenience of the snowflake tree after assembly can be improved, the situation that the snowflake tree is damaged due to inconvenient carrying is avoided, meanwhile, the movable rolling wheels can be stored after the snowflake tree is moved to a designated place, and the supporting base makes contact with the ground for supporting; and the subsequent placement stability is improved.

The utility model discloses an evaporator thermal insulation structure of a snowflake machine, which belongs to the technical field of snowflake machines and comprises a barrel-shaped evaporator main body, one end of the evaporator main body is provided with a first rotating shaft, the other end of the evaporator main body is open, and a fixed cover is provided with an end cover which is provided with a second rotating shaft. A first thermal insulation plate and a second thermal insulation plate are arranged at the two ends of an inner cavity of the evaporator body respectively. According to the structure, the temperature isolation function of the first thermal insulation plate and the second thermal insulation plate is utilized to block heat transfer between a high-pressure refrigerant and the two ends of the evaporator body, so that the high-pressure refrigerant can only complete heat transfer with the arc-shaped side face of the evaporator body, and liquid can only frost on the arc-shaped side face of the evaporator body; due to the fact that the high-pressure refrigerant cannot conduct heat transfer with the two ends of the evaporator body, the defect that liquid is frosted at the two ends of the evaporator body can be effectively overcome, cooling capacity waste is reduced, it can be guaranteed that the evaporator body can rotate stably, and practicability is high.

The invention discloses a power grid equipment fault analysis method and device, computer equipment and a storage medium, and relates to the technical field of power grid equipment fault diagnos.The power grid equipment fault analysis method and device integrate various complex and diverse data sources which are widely distributed in a power grid, construct a highly structured and logically clear data architecture based on a snowflake model, and analyze the fault of the power grid equipment. And data related to fault analysis can be quickly positioned from mass data in a short time. Meanwhile, data storage is carried out in the Hadoop distributed file system, the information dimension of fault analysis is greatly enriched by utilizing the powerful distributed storage, data redundancy and fault-tolerant mechanism of the Hadoop distributed file system, and a stable data basis is provided for power grid equipment fault analysis. And multiple complex factors of power grid equipment faults are comprehensively considered, a comprehensive and high-adaptability model system is constructed, various complex fault types can be accurately identified, fault diagnosis errors caused by single or inaccurate models are effectively avoided, and the fault prediction and diagnosis capability is improved especially under the complex conditions of severe weather and the like.

The utility model provides a kind of snowflake ice machine, including, machine body, raw material refrigeration device is equipped in machine body, sand ice head, mechanical arm and cup piece, raw material refrigeration device includes box, main cylinder is equipped in box, condenser and compressor, agitator and discharge passage are equipped in main cylinder, condenser, compressor and agitator are electrically connected with the control system in box, discharge passage is connected with main cylinder and sand ice head, mechanical arm is connected with cup piece;Raw material refrigeration device, sand ice head and mechanical arm are electrically connected with the general control system of machine body.The utility model can refrigerate raw material while also fully stirring it, reduces manual work, realizes the automation of snowflake ice machine work.

The utility model discloses a cooling system and a snowflake ice maker, and relates to the technical field of intelligent household appliances. The condenser is connected with the compressor; a communicating channel is formed in a side plate on any side of the evaporator, and the communicating channel extends towards the interior of the evaporator; the first end of the communicating pipe extends into the evaporator through the communicating channel, a gap is formed between the communicating pipe and the communicating channel, the first end of the backflow pipe is connected with the compressor, and the second end of the backflow pipe is connected with the communicating pipe; the first end of the liquid inlet pipe is connected with the condenser, and the second end of the liquid inlet pipe penetrates through the first end of the communicating pipe and extends into the evaporator; gas generated by the evaporator flows into the communicating pipe through a gap between the communicating pipe and the communicating channel, then enters the backflow pipe through the communicating pipe and flows back to the compressor.

The invention discloses a data warehouse model design method, and belongs to the technical field of data warehouse modeling. According to the method, a dimension modeling method is adopted to construct and analyze a mart model, data is organized into a non-standardized relation model, and the relation between tables is defined through keywords and foreign keys. And designing a dimension table system comprising a product dimension, a calendar day dimension, an institution dimension, an insurance policy attribute dimension and a customer dimension, and a fact table system comprising an insurance claim settlement analysis fact table, a payment analysis fact table, a claim settlement efficiency analysis fact table and a corresponding intermediate fact table. The analysis subject domain data is formatted into a star model or snowflake model, where the analysis fact table is a lightly summarized transactional fact table, and the intermediate fact table is a versioned historical table. According to the method, repeated data construction is avoided through a unified modeling method, and the cost is reduced; an efficient query analysis function is provided by optimizing a model structure; and the data traceability is ensured through versioning management.

The invention discloses a transformer bushing on-line monitoring system and method with a multi-parameter detection function, and relates to the technical field of transformer bushings, and the system comprises a multi-parameter monitoring module which is used for collecting various operation parameters of a transformer bushing; the data preprocessing module is used for performing preprocessing and format conversion on original data; the snowflake model database designs a multi-parameter database of the transformer bushing based on the logic of the snowflake model; the fault identification module establishes a fault identification model by taking data in the snowflake model database as a blue based on a preset rule set; the early warning module is used for warning related workers in an audible and visual alarm or wireless communication mode when a potential fault or an abnormal state is found; the wireless communication module is used for transmitting an original data packet collected by the multi-parameter monitoring module and early warning information generated by the early warning module to a remote monitoring center, and the problems that in the prior art, the detection means is single, and the judgment result has one-sidedness and errors are solved.

The utility model discloses an unmanned aerial vehicle inspection device which comprises an unmanned aerial vehicle body, a shell, a driving mechanism and a swing mechanism, the shell is connected with the bottom face of the unmanned aerial vehicle body, mounting shafts are arranged on the two sides of the bottom face of the shell, the shell is hinged to two arc-shaped protective covers through the two mounting shafts respectively, a mounting shell is arranged on one side of the shell, and the driving mechanism is arranged on the mounting shell. The driving mechanism is arranged in the shell and penetrates through the mounting shell to be connected with the two mounting shafts, a first electric push rod is arranged on the top wall of the shell, the piston end of the first electric push rod is connected with a protective shell, the swing mechanism is arranged in the protective shell and penetrates through the protective shell to be connected with a swing plate, and the swing plate is connected with a camera. Therefore, the camera can be effectively protected in severe weather, so that the camera is prevented from being influenced by external factors such as rainwater and snowflakes, and the service life of the camera is effectively prolonged.

The application discloses a kind of bionics proton exchange membrane fuel cell based on snowflake structure, including bipolar plate, bipolar plate includes the flow field on by 4 flow channel modules combination, each flow channel module includes serpentine channel with import and export, 4 flow channel modules on serpentine channel are sequentially connected to constitute bionic flow channel, flow channel is full in bipolar plate, and then the import of serpentine channel on the first flow channel module forms flow channel entrance, and the export of serpentine channel on the last flow channel module forms flow channel exit.The bionic flow channel of the device has good pressure drop, can make gas distribution uniform, improve the flow smoothness of flow channel, beneficial to discharge liquid water.

The invention provides a high-speed rail track snow depth data monitoring method and system, and relates to the technical field of railway safety, and the method comprises the steps: obtaining a first space angle image and a second space angle image; obtaining snowflake landing parameters; obtaining a balance thickness; obtaining a first snow depth monitoring result; acquiring snow depth sensing data; performing data conversion on the snow depth sensing data after the abnormal data is removed to obtain a second snow depth monitoring result; and carrying out confidence analysis on the first snow depth monitoring result and the second snow depth monitoring result, and carrying out weighted calculation on the first snow depth monitoring result and the second snow depth monitoring result according to the confidence to obtain a snow depth monitoring result, thereby solving the problems that the monitoring equipment is relatively single and the snow depth monitoring result cannot be monitored in the prior art. The technical problem that the accuracy of the snow depth detection result is insufficient due to the fact that the analysis of the monitoring data is not detailed enough is solved, and the technical effects of improving the accuracy of the snow depth monitoring result and improving the monitoring precision are achieved.

The invention relates to the technical field of livestock breeding, in particular to a breeding method of Honghua cattle with high snowflake meat yield. The daily ration containing the grape wine pomace is accurately prepared in different growth stages, and different doses of additives scientifically compounded by multiple functional components are used in a matched mode, so that high-yield and high-quality snowflake meat can be achieved on the premise that the fattening period (18-month-old slaughtering) is shortened.

1. Name of the designed product: packing bottle (bottle for snowflake body moisturizing cream). 2. Use of the designed product: container for packing and containing products. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view 1.

The utility model relates to visual calibration target device technical field, specifically disclose a kind of visual calibration target device of steel trestle dynamic displacement monitoring, including target mechanism, the upper end side of the target mechanism is provided with wire arrangement mechanism, the front lower end of the target mechanism is provided with auxiliary flickering mechanism;The target mechanism includes mounting plate, suspension pole, target main body, wiring seat, lamp holder, outer ring reference lamp bead, intermediate layer reference lamp bead and inner ring reference lamp bead.This scheme can adapt to different monitoring distance and camera focal length by the reference lamp bead design of multiple circle layer distribution, ensure target quick identification and stable tracking by outer ring double-layer concentric circle lamp bead under long-distance large visual angle, provide high-precision positioning by intermediate layer polygon lamp bead in medium distance, and rely on snowflake inner ring lamp bead to realize ultimate calibration in nearest distance, only single target can cover the full-scale monitoring requirement from bridge overall shaking to local slight deformation.

The utility model discloses a snowflake-shaped flow field structure of a proton exchange membrane water electrolysis tank, and relates to the technical field of water electrolysis tanks. In order to solve the problem of bubble blockage easily caused by poor gas transmission effect of the water electrolysis tank in the prior art, the utility model provides the following technical scheme: the water electrolysis tank comprises a water inlet, a water outlet, a main body channel, branch channels and a flow field polar plate, and the water inlet is positioned in the center of the flow field polar plate structure and can ensure that fluid uniformly enters a flow field; the flow field polar plate is of a regular hexagonal snowflake structure, the water outlet is located in the center of each edge of the regular hexagonal flow field polar plate, the main body channel guides fluid from the water inlet to different directions, and the fluid is further distributed through the branch channels. According to the snowflake-shaped flow field structure of the proton exchange membrane water electrolysis tank, the distribution of oxygen in a flow field is optimized, local enrichment of gas is avoided, the gas blocking risk is reduced, and it is ensured that generated gas efficiently escapes along a flow channel.

The invention discloses a snow raising cart which is characterized in that a fin structure on a rolling part provided with the fin structure is in contact with a snowfield, then an outer barrel is pushed by a push rod structure, the outer barrel transmits thrust to the rolling part, and the fin structure on the rolling part starts to rotate on the ground due to resistance of the ground; the fin structure can be inserted into the snowfield to loosen snow on the ground, in the rotating process, part of the snow can enter the cavity between the outer barrel and the rolling component along with the fin structure, when the snow is accumulated to a certain amount, the fins throw the accumulated snow between the outer barrel and the rolling component out of the other side of the outer barrel, and therefore the purpose of snow raising is achieved, the structure is simple, and practicability is high. According to the snowflake winch, the situation that the snowflakes are blocked in the uneven ground can be avoided, the problem that a user is injured in the rapid running process is avoided, snowflakes can be easily pushed and raised in the snowfield, the pleasure of outdoor activities is increased, the snowflakes are winched through a rotating structure, and the blocking risk can be effectively avoided.

The application relates to the technical field of ceramic products, in particular to a preparation process of high-performance ceramic products made of environment-friendly foamed snowflake glaze, which comprises the following steps: wet ball milling 10-15 parts by weight of kaolin, 8-12 parts by weight of aluminum oxide, 4-7 parts by weight of clay and 2-3 parts by weight of potassium feldspar sufficiently, then shaping, and then sintering at a temperature of 500-520 DEG C for 1 h to obtain a bottom base body. The ceramic product is made by heat treatment of the bottom base body matched with the snowflake glaze, the snowflake glaze is made by mixing raw materials such as base glaze, foaming agent and snowflake crystal nucleus agent, the snowflake crystal nucleus agent is preheated by nano titanium dioxide, and then is improved by an auxiliary liquid, the lanthanum oxide, hydroxyapatite, sodium alginate solution and aluminum dihydrogen phosphate in the auxiliary liquid are coordinated with each other, and the heat insulation, skid resistance and antibacterial property of the system are optimized.

A snow shower is provided with a shower area, a snow machine and a chute. The snow machine has a first connection to the chute, and the chute is directed towards the shower area, such that the snow machine produces snowflakes that enter the chute through the first connection and exit the chute to fall onto the shower area. A cold nebulizer produces water mist with a temperature below 15° C., including but not limited to below 10° C., further including but not limited to between 2° C. and 8° C. The cold nebulizer produces the water mist so that it falls onto the shower area.

The utility model discloses a snowflake ice maker which comprises a scraper with V-shaped teeth, the scraper with the V-shaped teeth comprises a scraper body, the scraper body is provided with a scraping tooth part, the scraping tooth part consists of a plurality of scraping teeth, the scraping teeth obliquely extend towards the front lower part from the rear side of the top surface of the scraper body, the scraping teeth are provided with two scraping surfaces which are opposite left and right, and any two adjacent scraping teeth are matched to form a through groove. The scraping tooth part is arranged on the scraper, the scraping tooth part is composed of the scraping teeth arranged on the scraper body in the left-right direction, the scraping teeth obliquely extend from the rear side of the top face of the scraper body towards the lower front portion, the scraping teeth are provided with the left scraping face and the right scraping face which are opposite, and one scraping face inclines downwards in the direction away from the other scraping face from the upper end of the other scraping face. Every two adjacent scraping teeth are matched to form a through groove inclining forwards from top to bottom, when the evaporator rotates, the ice surface is cut by the tip end formed by matching of the two scraping faces, the ice is scraped off through a blade formed at the upper end of the through groove, and therefore the ice condensed on the surface of the evaporator is completely scraped off, the ice scraping effect is good, and the good ice outlet effect is achieved.

1. The name of the design product: ice maker (2) with display and control function graphical user interface. 2. The use of the design product: the design product is used for an ice maker. 3. The design points of the design product: the graphical user interface in the screen. 4. The picture or photo that best indicates the design points: front view. 5. The usual design, omitting other views except the front view. 6. The use of the graphical user interface: for displaying and controlling the functions of the ice maker. Click or touch the ice maker screen panel, and the user can get ice by selecting the drink and cup type. The snowflake icon on the right is the ice supplement button, which can manually increase the ice output. After starting, the system automatically detects the ice quantity in the ice bucket and starts ice making. The lower end is a dynamic flowing light display during ice making, and the blue light belt is displayed when the ice is full. 7. The change process of the graphical user interface: the icons on the upper part of the main view product working interface are respectively power off, setting, and ice bucket ice quantity display; click the setting icon in the main view to enter the interface change state diagram, the user can set the water quantity, ice quantity, and ice water quantity value, and if the water is lacking, a water shortage reminder will be displayed.

The present application relates to the chemical industry field, disclose a kind of reaction system and reaction method, reaction system includes the reaction kettle, rectifying column, cooler, liquid separator tank and product tank connected in sequence, reaction kettle includes closed kettle body, kettle body has reaction zone, the blocking plate is arranged in the kettle body of upper portion of this reaction zone, the gas hole for gas passing is opened in the blocking plate, product tank is installed with local liquid level display meter, the reaction kettle in the reaction system provided by the present application is closed kettle body, it is favorable to improve the security of reaction, and kettle body is equipped with blocking plate, when reaction raw material sublimes, it is condensed into snowflake when ascending to kettle upper portion region, the raw material condensed after sublimation can be blocked by blocking plate, avoid its plugging kettle top pipeline, simultaneously gas phase can be exported in time by rectifying column, cooler, liquid separator tank and stored in product tank, by real-time acquisition the amount of liquid phase product in product tank, conversion rate can be calculated and obtained.