181results about How to "Avoid expansion" patented technology

The invention discloses an intelligent safety management method and system for a highway service area, and the method comprises the steps: recognizing the number of vehicles in the service area, and obtaining historical flow data and analysis data corresponding to the historical flow data; identifying the types of vehicles entering the service area, obtaining parking space data of parking areas corresponding to different types of vehicles, and guiding the vehicles to parking spots; safety monitoring is carried out on the vehicles of the focus type in the recognized vehicle types; and pushing the data to a manager. Through accurate identification of the number and types of vehicles entering a service area and combination of historical vehicle conditions of the service area, dynamic analysis of vehicle flow data can be realized, optimal distribution of parking resources in advance is realized, congestion caused by too many vehicles is avoided, and meanwhile, real-time monitoring and early warning of key vehicle types are realized, so that the service area is more intelligent. Safety accidents can be found in time at the beginning, and expansion of the accidents is avoided.

The invention belongs to the technical field of chip processing, and discloses a wafer laser cutting device based on chip processing, which comprises a vibration mechanism, the vibration mechanism comprises four sliding blocks, the interiors of the sliding blocks are fixedly connected with first motors, and the first motors are rotatably connected with cams; through cooperation of the cam, the clamping plates and other structures, the laser cutting effect of the wafer is improved, the first motor is started to enable the wafer clamped among the four clamping plates to generate slight vibration in the vertical direction, the slight vibration promotes micro movement of a material in the laser cutting process, better interaction between a laser beam and the material is facilitated, and the laser cutting efficiency is improved. A more uniform and smoother cutting face is achieved, the vibration effect can accelerate the melting or crushing process of materials, the cutting time is shortened, the cutting efficiency is improved, meanwhile, vibration can accelerate airflow on the surface of a wafer, a certain heat dissipation effect is achieved, local overheating of the materials is reduced, expansion of a heat affected zone is avoided, and the flatness of the cutting edge is improved.

The invention relates to a composite peptide with anti-inflammatory and soothing effects, a composition and application thereof, and belongs to the technical field of polypeptides. The invention relates to a composite peptide with anti-inflammatory and soothing effects. The composite peptide is prepared from the following components: tripeptide-1, acetyl dipeptide-1, palmitoyl tetrapeptide-7 and palmitoyl tripeptide-8, the mass ratio of the tripeptide-1 to the acetyl dipeptide-1 to the palmitoyl tetrapeptide-7 to the palmitoyl tripeptide-8 is (0.5 to 1.5) to (0.6 to 1.5) to (1 to 2) to (0.5 to 1.5). Experiments prove that the composite peptide has good anti-inflammatory, soothing and anti-wrinkle effects.

The invention provides a power business anti-quantum cryptography migration progressive control method based on risk awareness, and belongs to the technical field of migration control, and the method comprises the steps: collecting key parameters of all to-be-migrated businesses in a power system, carrying out the standardization preprocessing of the collected key parameters, and constructing a business feature matrix; acquiring relevant parameters of quantum attacks in real time, and calculating a real-time quantum attack risk value of each service to be migrated; based on the service feature matrix and the real-time quantum attack risk value, constructing a dynamic migration rhythm adaptation model, and calculating a migration priority, a migration rate and a migration interval of each service to be migrated; and constructing a migration fault-tolerant and recovery model, monitoring the migration process in real time, calculating a fault influence range and recovery cost based on fault information, and executing corresponding adjustment operation. Accurate, dynamic and high-reliability control of anti-quantum password migration of the power business is realized, safe and stable operation of the power business in the migration process is guaranteed, and the migration efficiency and the anti-quantum attack capability are improved.

The embodiment of the invention provides a network public opinion monitoring method and device, equipment and a storage medium, and is applied to the technical field of computers. The method comprises the following steps: acquiring network public opinion data; inputting the network public opinion data into a sentiment classification model obtained by pre-training to obtain a sentiment classification result; performing keyword screening on the network public opinion data of which the sentiment classification result is negative based on a TF-IDF algorithm to generate public opinion feature keywords; and performing popularity calculation based on the public opinion feature keywords, and performing popularity sorting and early warning of public opinions. In this way, the accuracy and efficiency of public opinion monitoring can be improved, valuable public opinion information can be provided for organizations or enterprises, and the organizations or enterprises are helped to better understand market trends and public opinions, so that more intelligent decisions are made.

The invention discloses a vertical burning test method and device for a vehicle hydrogen storage cylinder, and the test method comprises the following steps: carrying out the ignition of a fire source at the positions of an upper end cylinder valve, a lower end cylinder valve and a sealing surface of a test gas cylinder which stores hydrogen and is vertically arranged, or carrying out the ignition of the fire source at the same time; therefore, the burning test on the test gas cylinder is realized. The test device comprises a fuel gas system surrounding the outer side of a test gas cylinder, a gas cylinder support for supporting the test gas cylinder and keeping the center line of the test gas cylinder perpendicular to the horizontal ground, a pressure acquisition and relief device, a temperature acquisition device and a computer acquisition control system, and the computer acquisition control system is connected with the pressure acquisition relief device, the temperature acquisition device and the gas system. The device disclosed by the invention can be used for carrying out a burning test on the hydrogen storage bottle which is vertically placed. Local fire source combustion and overall fire source combustion are achieved at all positions of the hydrogen storage bottle by controlling the fire spraying position and the fire source size of an igniter of the test stove.

The invention discloses an attention neural network-based personnel ability automatic evaluation method and system. The method comprises the following steps of: dividing an ability evaluation data set # imgabs0 # into a training set # imgabs1 #, a verification set # imgabs2 # and a test set # imgabs3 #; setting a plurality of different neural network configurations to form a configuration set # imgabs4 #; the obtained hyper-parameter # imgabs5 # is selected, and a neural network model # imgabs6 # is initialized; using a training set # imgabs7 # to train a neural network model # imgabs8 # obtained through initialization; after a # imgabs9 # round is carried out, the neural network model trained in the # imgabs10 # round is recorded as # imgabs11 #, a verification set # imgabs12 # is used for evaluating the trained model, and the neural network model and the evaluation result after each round of training are stored; the model obtaining the highest evaluation index on the verification set in N rounds is selected to be tested and stored on a test set # imgabs13 #; and until all hyper-parameters are used for initializing the neural network models and tested by a test set # imgabs14 #, deploying the neural network model with the highest model evaluation result for personnel ability grade evaluation work. And the requirement on multi-dimensional personnel ability portraits in a personnel evaluation scene is met.

The invention discloses a preparation method and application of a flame-retardant coating, and relates to the technical field of flame-retardant coatings for special papers.The flame-retardant coating is prepared from, by weight, 80-85 parts of flame-retardant pigment and 15-20 parts of heat insulation pigment; the total weight of the components is set as M, the adhesive accounts for 8-15% M, the co-adhesive accounts for 7-9% M, the thickening agent accounts for 1-2% M, the lubricant accounts for 0.6-1% M, the water repellent agent accounts for 0.5-0.8% M, the defoaming agent accounts for 0.1-0.2% M, and the dispersing agent accounts for 0.2-0.3% M. The flame-retardant coating is designed and prepared, and the tipping base paper which can be carbonized at high temperature and does not burn is prepared by coating the surface of the tipping base paper. The preparation method is simple in process and high in operability, the defects of a direct papermaking method and an in-pulp addition method are overcome, the production efficiency and the resource utilization rate are improved, and the production cost is reduced. The flame-retardant tipping base paper is prepared by a coating method instead of a traditional in-pulp addition method, and a functional coating is selected and designed, so that the coating process flow and parameters are determined. The flame-retardant coating prepared by the invention endows tipping base paper with excellent high-temperature carbonization and non-combustion performance, and the flame safety performance of the tipping base paper is effectively improved.

The invention discloses a foot and mouth disease virus effective antigen inactivation protective agent and application thereof. The protective agent is prepared from the following components in percentage by mass: 0.05 to 20 percent of a structure curing agent, 0.01 to 5 percent of an ion regulator, 0.005 to 1.0 percent of an antioxidant and the balance of water, the protective agent does not influence the inactivation effect in the process of acting on nucleic acid, inhibits folding and unfolding of a protein physical structure, prevents change of a protein space physical structure, improves free energy of protein denaturation, enhances the stability of a virus space physical structure, maintains the integrity of virions, and has a good application prospect. The effects of preserving the immune biological activity of the protein and reducing the loss of viruses in the inactivation process are achieved, so that the foot-and-mouth disease inactivation antigen liquid with high immunogenicity is obtained. Compared with the conventional antigen protection method, the method has the advantages that the virus is protected before the inactivation process is implemented, the production process is advanced, the stability of the effective antigen can be protected to the greatest extent, and support is provided for obtaining an effective antigen solution with high immunocompetence.

The invention discloses a self-repairing anticorrosive coating and a preparation method thereof, and relates to the technical field of coatings. The self-repairing anticorrosive paint disclosed by the invention is prepared from the following raw material components in parts by weight: 1.5 to 2.5 parts by mass of cyclodextrin-based polyurethane, 1.5 to 2.5 parts by mass of azobenzene compound polyurethane, 0.15 to 0.25 part by mass of hollow mesoporous silicon dioxide, 0.15 to 0.25 part by mass of a flatting agent and 7.5 to 12.5 parts by mass of a solvent, wherein the cyclodextrin-based polyurethane is obtained by carrying out a reaction on cyclodextrin and toluene diisocynate; the azobenzene compound polyurethane is obtained by carrying out a compound reaction on 4, 4 '-dihydroxy azobenzene, modified polyaniline and toluene diisocynate; the self-repairing anticorrosive paint prepared by the invention is good in self-repairing effect, good in corrosion resistance, relatively good in adhesive force and relatively good in mechanical property.

The invention relates to the field of electronic engineering, and provides an intelligent position error correction method and system based on automatic SMT patching, and the method comprises the steps: firstly obtaining a to-be-corrected circuit board welding spot image and position data, carrying out the image enhancement and description marking, associating the welding spot description data with the preset SMT patching equipment historical operation data, and carrying out the image enhancement and description marking; potential abnormal data are inquired, deviation degree values of the potential abnormal data to real-time operation parameters are calculated, equipment fault types are analyzed according to the deviation degree values, abnormal parts and specific fault points are positioned, then an error correction planning target is formulated, error correction measures are analyzed, error correction standards are inquired, an error correction operation instruction is generated and sent to equipment to execute error correction operation, and an error correction circuit board is obtained; and finally, obtaining an error correction welding spot image for position verification, and generating a position error correction report based on verification data. According to the invention, the accuracy of the SMT position can be improved.

The pot cover assembly comprises a lining cover, a top face cover located above the lining cover and a side face cover surrounding the periphery of the lining cover, the top face cover and the lining cover are of an integrally-formed structure, a fixing buckle is arranged on the inner circumferential face of the side face cover, a matched buckle matched with the fixing buckle is arranged on the circumferential side of the lining cover, and the side face of the lining cover is provided with a matched buckle matched with the matched buckle. And the side cover is clamped and fixed on the lining cover. According to the pot cover assembly, the top surface cover and the lining cover are integrally formed, so that the lining cover and the top surface cover can be processed at the same time through one-time processing, use of a pair of molds is reduced, the step of follow-up assembly of the top surface cover and the lining cover is omitted, meanwhile, the number of parts is reduced, the overall processing and manufacturing difficulty of the pot cover assembly is greatly reduced, and the manufacturing cost is saved. The side cover is fixedly clamped with the lining cover and is not connected with the top surface cover, so that a complicated fixing structure does not need to be arranged on the top surface cover, the smoothness of the top surface cover is improved, and the probability that flow marks appear on the top surface cover in the injection molding process can be further reduced.

The invention provides a post-forging heat treatment method and an auxiliary tool for a fountain forge piece, and relates to the technical field of heat treatment of steel. During normalizing treatment of an intermediate sample of the fountain forge piece formed through forging, when relevant process steps of transformation from an austenite structure to a martensite structure exist, the normalizing process is carried out; a middle sample of the water bucket forge piece is installed in the auxiliary tool, the bottoms of the two bucket side walls of the sample are clamped in the corresponding constraint notches, the inner walls of the left side and the right side of the upper ring are attached to the bucket side walls, and the auxiliary tool can play a role in restraining the sample from expanding in the process steps; therefore, external expansion and sagging of the bucket side wall of the middle sample of the water bucket forge piece can be inhibited. In the post-forging heat treatment process, external expansion and sagging of the bucket side wall of the middle sample of the water bucket forge piece formed through forging can be restrained through the method, and it is guaranteed that the water bucket forge piece has the fine grain size.

The invention discloses an automatic monitoring power cable which comprises a wire, a first coating layer is arranged outside the wire, a second coating layer is arranged outside the first coating layer, an insulating layer is arranged outside the second coating layer, and a plurality of warning positioning mechanisms are arranged between the second coating layer and the insulating layer. According to the invention, when fog water or rainwater in the environment enters a damaged part of an insulating layer, a spherical sponge absorbs water and expands, so that the spherical sponge protrudes outwards, a worker can accurately position the insulating layer, and because the spherical sponge, a filling sponge and a columnar sponge all have water absorbability, heat transfer is carried out between water and a bottom ring block, so that the damage of the insulating layer is avoided. Therefore, the temperature of the bottom ring block at the position is lower than that of other bottom ring blocks at the positions where the insulating layers are not aged or damaged, the temperature is found in time through detection of the temperature measuring cable, the position is overhauled in time, further damage to the insulating layers is avoided, the service life of the power cable is greatly prolonged, and the safety in the using process is greatly improved.

The invention discloses an energy storage power station safety early warning system operation method based on a battery base layer coupling model. Comprising the steps that a sensor arranged on a single battery of an energy storage power station collects single battery voltage, single battery temperature and electrolyte leakage detection information, and a battery module detects impedance of a battery through an impedance analyzer to obtain internal resistance change of the module; and judging according to the number of the isolated monomers in combination with a detection numerical value obtained by the electrolyte detection sensor for correspondingly collecting the monomers under a fixed time length, and if the detection numerical value does not have a decreasing trend or the decreasing amplitude is smaller than a fixed value, generating a command packet for starting the spraying device and sending the command packet to a power environment system to execute the command.

The present invention discloses a non-contact key device and a working method thereof. The non-contact key device comprises a key action detection module, a control module, a key panel module, an execution module, and a touch generation module. When a user operates a non-contact key, the present invention provides airflow feedback to the user's finger similar to the touch of a physical key, so that the user feels that the key has been pressed, which conforms to the characteristics of ergonomics; and when the user's finger travels too far, the user is given a strong pressure airflow to prevent the user from expanding the travel and avoiding contact with the physical key mark, thereby truly realizing "non-contact" and avoiding cross contamination of the physical key.

The invention discloses a pharmaceutical composition for redness removal and repair and a preparation method thereof, belonging to the technical field of skin disease treatment, which is an ointment prepared from raw materials according to the following weight ratio: 8-10 parts of chamomile, 6-12 parts of oriental rhizome, 5-10 parts of sophora flavescens, 6-12 parts of cnidium monnieri, 6-15 parts of kochia scoparia, 1-5 parts of small molecule sodium hyaluronate, 9-15 parts of ectoine, 3-10 parts of safflower, 6-12 parts of ophiopogon japonicus, 9-12 parts of mountain peony, 9-12 parts of white peony; the ointment is composed of an ointment matrix, a nanostructured lipid carrier of a Chinese medicine extract and glycerol, and the ointment matrix is ​​honey. The pharmaceutical composition for redness removal and repair finally prepared can increase the thickness of the stratum corneum, has a good healing effect on patients with persistent facial flushing and already formed telangiectasia, and can remove redness from the face.

The utility model discloses an access disinfection chamber for aquaculture. The access disinfection chamber is exquisite in structure and practical. A plurality of parallel and spaced horizontal cross rods are arranged in a disinfection tank with an opening in the upper end of the bottom plate, two ends of the cross rods are fixed on the inner side wall of the disinfection tank, and disinfectant fluid submerging the cross rods in the tank can disinfect shoes. The bristles on the shaft walls exceed the upper end face of the cross rod, the two ends of each rotating shaft are rotationally installed on the inner side wall of the pool, one end of the same side penetrates out of the pool wall and is fixedly provided with a transmission wheel, and a driving part for driving the transmission wheel to rotate is arranged outside the pool and can drive the bristles to rotate and brush soles. Baffles are fixedly arranged at the upper ends of two opposite side walls of the disinfection tank, the upper ends extend obliquely upwards, and a space is reserved at the top to form a channel. A water supply pipe is fixedly arranged on one side, facing the middle of the pool, of the baffle, and a plurality of atomizing nozzles on the water supply pipe spray water mist towards the middle of the pool to disinfect body parts of personnel. The disinfection room can perform shoe disinfection and spray disinfection at the same time, and the disinfection efficiency and the disinfection effect are improved.

The invention discloses a chemical conveying control system, and relates to the technical field of special gas and chemical conveying, the system comprises the following components: a gas source: a high-pressure steel cylinder and a liquid storage tank are used as the gas source, the storage mode is selected according to the property of special gas chemicals, the high-pressure steel cylinder is made of seamless steel tubes, the sealing performance is good, the corrosion resistance is good, and the liquid storage tank is used for storing the special gas chemicals; the liquid storage tank can stably store liquid special gas chemicals for a long time and guarantee continuity of gas supply, the gas delivery control system adopts the high-pressure steel cylinder and the liquid storage tank as gas sources, and is combined with the high-strength corrosion-resistant pipeline and the valve control module (VMB), so that pollution and leakage of gas in the delivery process are reduced, and the gas delivery efficiency is improved. The high degree of finish of the inner surface of the pipeline and the specially designed joint ensure the purity of gas delivery, and the high requirements of the modern industry on special gas chemicals are met through accurate control of the PLC and real-time monitoring and adjustment of key parameters such as gas flow, pressure and temperature.

The utility model relates to a pressure regulating metering cabinet in the technical field of pressure regulating metering cabinets, which comprises a base, the top of the base is fixedly connected with a lower shell, an upper shell is arranged above the lower shell, the top of the upper shell is fixedly connected with a monitoring assembly, and the outer side of the lower shell is fixedly connected with an overhauling mechanism. A door plate is hinged to the front side of the lower shell through a hinge; the overhauling mechanism comprises a cover body, the cover body is fixedly connected to the left side of the lower shell, and the front side and the rear side in the cover body are movably connected with the same threaded rod through bearings. According to the utility model, through the arrangement of the maintenance mechanism, when the gas pipeline in the pressure regulating metering cabinet needs to be maintained, the threaded rod is rotated through the rotating block, the threaded rod rotates to drive the L-shaped strip to move backwards, so that the upper shell is driven to move backwards until the pipeline in the lower shell is exposed, and the pipeline in the lower shell can be maintained at the moment; and the operation space is large during maintenance, so that the maintenance efficiency is greatly improved.

The present invention discloses a complete set of mining machinery application analysis system based on BIM technology in the field of mining machinery technology, including a model building subsystem for constructing a three-dimensional model by inputting the original data of the complete set of mining machinery applications; an information management subsystem for informatization processing of the model; a data acquisition subsystem including a sensor integration module, a data preprocessing module and a data transmission module; a data analysis subsystem for in-depth analysis of the collected data and pipeline collision inspection; a BIM model and visualization subsystem and a decision support subsystem. The complete set of mining machinery application analysis system based on BIM technology adopted by the present invention can improve efficiency, enhance collaborative operations, optimize decision support, reduce costs and enhance safety. This helps to ensure the safe, stable and efficient operation of the complete set of mining machinery applications.

The invention discloses a cargo order management method and system based on a block chain, and relates to the technical field of cargo order management, and the method comprises the following steps: S101, after an order request is received through a block chain network, triggering an intelligent contract to carry out order processing, and verifying the identity and order information of an order creator; step S102, if the order information passes verification, the smart contract executes an order input creation operation, nodes of the block chain network are consistent through a consensus algorithm, and validity of a new block is confirmed; and S103, in the process of executing the order creation operation, the smart contract inputs related data into the block chain, and the block chain data input process is monitored in real time. According to the method, through detailed risk assessment and flexible processing strategies of different risk periods, the control level of data entry consistency is effectively improved, and serious consequences possibly brought by inconsistent data are avoided.

The utility model provides a heat transfer suppression sheet and a battery pack, the heat transfer suppression sheet has excellent heat insulation performance, and the battery pack is provided with the heat transfer suppression sheet. The heat transfer suppressing sheet (10) contains dry silica particles (1) and has pores (2) therein. The dry silica particles (1) have an average primary particle diameter of 25 nm or less, and the total volume of pores having a mode diameter of 68 nm or less is 10% or more relative to the total volume of pores.

The present invention proposes a tobacco seedling full-cycle monitoring and management system and method based on the Internet of Things, which relates to the technical field of tobacco production. The method comprises: collecting multi-dimensional data of each stage of the tobacco seedling cycle through an Internet of Things sensing device; uploading the multi-dimensional data to an edge processing device for preprocessing to obtain preprocessed data; uploading the preprocessed data to a central processor, and determining the health scores of tobacco seedlings at different stages based on a tobacco seedling evaluation model; if the health score is less than the score threshold of the corresponding stage, outputting the type of abnormal health and abnormal location information; automatically adjusting the environmental conditions of a tobacco seedling shed and / or a nutrient pool according to the tobacco seedling health score result; establishing an early warning mechanism to warn of abnormal results; and realizing comprehensive and accurate monitoring and management of the tobacco seedling process by introducing Internet of Things technology, edge processing, machine learning and intelligent decision-making.

The utility model discloses a matte veneer which comprises a blank base plate, a plurality of grooves are formed in the blank base plate, a first adhesion layer is arranged on the blank base plate, and primer is smeared on the first adhesion layer. The fireproof matt veneer has the advantages that the fireproof coating is arranged on the surface layer of the matt layer, the fireproof coating is formed by coating water-based expansive fireproof paint on the matt layer, the gloss of the fireproof coating is matt, the using effect of the matt veneer cannot be affected, and when a fire breaks out, the fireproof coating can be prevented from being damaged. The fireproof coating on the surface of the matte layer can rapidly expand to form a compact protection layer when encountering a fire source, the matte veneer is prevented from being ignited, fire spreading can be effectively prevented, and fire expansion can be avoided.

The invention relates to the technical field of photovoltaic monitoring, and provides a photovoltaic monitoring system and method, and the system comprises a data collection module which is used for collecting the operation parameters of a photovoltaic module; and the analysis control module is used for predicting the working state of the photovoltaic module according to the operation parameters of the photovoltaic module and the historical operation parameters of the photovoltaic module, and performing early warning under the condition that the working state of the photovoltaic module is predicted to be faulty. Prediction and early warning are carried out before faults occur, so that operators can handle and intervene in time, occurrence and further expansion of the faults are avoided, potential equipment faults can be found in time, production halt time can be shortened, power generation efficiency can be improved, and operation and maintenance cost can be reduced.

The invention provides an active protection device and method applied to a station DC power supply system, and relates to the technical field of substation DC power supplies, and the active protection device is connected in series between a DC bus and a DC load branch of the station DC power supply system. Comprising a two-transistor forward DC / DC converter, a single-chip microcomputer control circuit, an output diode and a detection circuit. The input end of the double-transistor forward DC / DC converter is connected with a direct-current power supply, the output end of the double-transistor forward DC / DC converter is connected to a direct-current load branch through an output diode, the single-chip microcomputer control circuit is respectively connected with the double-transistor forward DC / DC converter and the detection circuit, and the detection circuit is connected to the direct-current load branch through the output diode. According to the technical scheme, the grounding fault of the DC bus can be effectively limited and quickly isolated, so that the fault can be prevented from being further expanded to the whole station DC power supply system, and the safety and the stability of the station DC power supply system are improved.

The present invention discloses a multifunctional frost heave test system and a test method thereof, wherein the test system comprises a support frame, a test barrel body arranged on the support frame for storing soil samples, a temperature control system for controlling the temperature of the soil samples, a force application system for selectively applying a constant pressure or an infinite stiffness to the soil samples through the top of the test barrel body, a pressureless water supply system for supplying water into the soil samples through the bottom of the test barrel body, and a detection system. The present invention can carry out multi-condition coupling tests with high integration.

Provided are: a heat transfer suppressing sheet which has excellent heat insulation properties and is capable of preventing the penetration of moisture, thereby being capable of preventing fire or the like due to short-circuiting between battery cells, and preferably, being capable of preventing a decrease in heat insulation properties due to the penetration of an electrolyte solution; a heat transfer suppressing sheet (10) interposed between a plurality of battery cells includes: at least one type of fiber (glass fiber (1)) selected from inorganic fibers and organic fibers; and a liquid-repellent substance (2) having a surface tension smaller than the surface tension of water.

The invention discloses a mechanism and method for detecting the melting edge state of melting ingredients of a substrate glass kiln, and the mechanism comprises a guide assembly which is installed at the outer side of the kiln; the cooling assembly is mounted on the guide assembly, and a purging assembly is mounted on the cooling assembly; the detection device is arranged in the cooling assembly and is used for detecting the melting edge state of the ingredients in the kiln; the control device is electrically connected with the guide assembly, the cooling assembly, the purging assembly and the detection device; wherein when the melting edge state of the ingredients in the kiln is detected, the control device controls the guide assembly to drive the detection device to enter the kiln for detection. By monitoring the melting material melting edge state detection technology, marking the position of the melting material edge through image analysis software, and distinguishing the temperature according to different colors, the moving speed of the melting material edge and the temperature change condition can be visually observed.