299results about How to "Reduce input" patented technology

The invention provides a riverbed evolution prediction method based on multi-source data fusion, and belongs to the technical field of hydrological resource monitoring. The method comprises the following steps: acquiring and fusing multi-source data by using different devices, performing data preprocessing to form unified three-dimensional grid data, and then generating a multi-scale feature map based on a designed feature extraction network; based on the designed multi-channel convolutional neural network, learning and extracting features on multiple channels at the same time, and performing hierarchical expression and fusion on different information sources; and finally, based on the designed time sequence regression network, extracting a complex dependency relationship in the time sequence through a double-layer LSTM structure, learning residual error information through an adaptive residual error correction module to improve prediction precision, and obtaining a final prediction result. The method shows relatively high applicability and robustness in a complex river channel environment, and can cope with various river bed form changes caused by natural factors and human activities through multi-source data fusion and an innovative feature extraction and regression method.

The invention discloses a contract auditing method, apparatus and device, and a computer readable storage medium. The method comprises the steps of obtaining an image file corresponding to a contract file; inputting the image file into a multi-modal analysis model for model identification so as to obtain text information of each text area corresponding to the image file; performing screening operation on the text information based on a preset keyword to obtain target text information; and auditing the target text information by adopting a large language model based on an entity recognition rule to obtain an auditing result. According to the method, the text information is screened, the target text information is audited on the basis of the large language model, intelligent audit of the contract file is achieved, meaningless input of the large model and the data annotation process can be reduced as much as possible through keyword screening and entity recognition rule matching, and the user experience is improved. The efficiency and accuracy of contract auditing are improved.

The invention discloses an improved efficient turbulent flow microbubble flotation device for feeding and discharging materials. Comprising an outer cylinder, an inner cylinder arranged in the outer cylinder, a stirring mechanism arranged in the outer cylinder, a feeding mechanism used for conveying raw materials into the inner cylinder, a concentrate tank located on the upper portion of the outer cylinder, a countercurrent mineralization mechanism arranged in the inner cylinder and a tailing separation mechanism connected to the bottom of the inner cylinder. Through cooperation of the sawtooth disc self-suction dispersion impeller and the false bottom structure, local area circulation can be formed, the elution effect on the surfaces of coarse particles can be enhanced, meanwhile, dispersion of heterogeneous fine silt is facilitated, and the purity of tailings is further ensured; according to the method, the flotation efficiency can be improved, and the energy consumption is greatly reduced; due to the design of the sawtooth disc self-suction dispersion impeller, gas is allowed to enter in a self-suction mode, and energy consumption of traditional air compression equipment is avoided. According to the sawtooth disc self-suction dispersion impeller, suction force brought by the vacuum effect generated by rotation of the impeller can be improved, and suction of more air is promoted.

The invention discloses a low-cost treatment method for high-manganese-content difficult-to-treat mine acid wastewater, which is implemented by adopting a graded neutralization treatment process and comprises the following steps: regulating the pH value of the wastewater to be 5-6 in a first-stage neutralization reaction, feeding the wastewater into a first-stage flocculation reaction tank, and agglomerating hydroxide particles to form large flocculate; feeding the wastewater subjected to the primary flocculation reaction into a primary sedimentation tank to precipitate sludge in the wastewater, feeding discharged supernate into a secondary neutralization tank, feeding the discharged supernate into a secondary flocculation reaction tank, feeding the wastewater subjected to the secondary flocculation reaction into a secondary sedimentation tank to precipitate sludge in the wastewater, and taking supernate of the secondary sedimentation tank as qualified effluent; the method disclosed by the invention is simple in process, high in heavy metal removal rate, relatively small in agent use amount and small in sludge generation amount, can overcome the defects that manganese in the effluent of the mine acid wastewater is difficult to reach the standard, the effluent needs acid callback, the agent use amount is large and the sludge generation amount is large, and can efficiently ensure that the effluent of a mine acid wastewater treatment facility stably reaches the standard in an energy-saving manner.

The invention relates to the technical field of seawater quality detection, and discloses a seawater quality monitoring method based on automatic multi-source data assimilation, which comprises the following steps: acquiring a satellite remote sensing image of a seawater monitoring area, and carrying out eutrophic hierarchical division on the seawater monitoring area to obtain an eutrophic divided ocean area; optical sensing data of the seawater monitoring area are collected, and the suspended particulate matter concentration of the seawater monitoring area is determined; collecting temperature sensing data of the seawater monitoring area, and analyzing the water quality change level of the seawater monitoring area; collecting salinity data and dissolved oxygen data of the seawater monitoring area, and analyzing the ecological structure change degree of the seawater monitoring area; and based on the eutrophication divided ocean area, the suspended particulate matter concentration, the water quality change level and the ecological structure change degree, constructing an ocean multi-attribute comprehensive graph, and giving an early warning to the corresponding monitoring user of the seawater monitoring area. According to the invention, the comprehensiveness of seawater quality detection can be improved.

The invention discloses a high-frequency vehicle track map matching method, which comprises the following steps of: (1) dividing a track T to be matched into a plurality of sub-tracks based on a reference line distance, and extracting key track points in the sub-tracks; (2) extracting a road where the key track point is located and a road type of the road, filtering the extracted road based on the road type, and storing filtered road data by adopting an R-Tree structure; and (3) matching an optimal matching path of the track T to be matched from the road data stored in the R-Tree structure through a hidden Markov probability matching model. From the perspective of reducing the scale of original data, trajectory and road network data are simplified. Then, space and direction analysis is carried out on the simplified trajectory, a micro-region splicing strategy is adopted to accelerate shortest path search, and a path deviation function is designed to improve the topology of a matching result; in addition, the extraction process of track motion key points is refined by fusing more road semantic information, so that a better matching result is obtained.

The invention relates to the technical field of numerical control machine tools, in particular to a positioning type metal machining numerical control machine tool which comprises a machine tool base, a plurality of moving wheels, a control table, a moving seat and a mounting seat, the moving wheels are symmetrically arranged on the machine tool base, and the control table and the mounting seat are both arranged on the machine tool base. The movable seat is movably arranged on the machine tool base and located on one side of the mounting seat, a position adjusting lead screw is movably arranged on the machine tool base and slidably penetrates through the movable seat, the position adjusting lead screw and the movable seat are in threaded fit, a position adjusting motor is arranged on the machine tool base, and the output end of the position adjusting motor is coaxially connected with the position adjusting lead screw. The numerical control machine tool further comprises a machining assembly and a clamping system, the clamping system is arranged on the mounting base, and the machining assembly is arranged on the moving base and used for cutting the cylindrical parts. And the traditional mode that the cylindrical part is manually held by hand to be stabilized is eliminated, and the input amount of labor force is reduced.

The invention discloses a subway tunnel piston air valve control method and device, electronic equipment and a storage medium, and the method comprises the steps: monitoring indoor and outdoor air indexes of each section of a subway tunnel, judging whether a triggering condition is satisfied or not according to at least one of the temperature and humidity in the indoor and outdoor air indexes, and determining a target control mode, so as to control the opening degree of a piston air valve, when the outdoor temperature is higher than the tunnel temperature or the outdoor humidity is too high, the opening degree of the piston air valve is reduced or even the piston air valve is closed, so that the tunnel is kept at low temperature and humidity, a low-temperature environment is provided for air conditioners of running trains in the tunnel and air conditioners in stations, and energy consumption of the air conditioners is reduced; when the outdoor temperature is lower than the tunnel temperature, the opening degree of the piston air valve is controlled to be increased; tunnel cold storage or heat storage and air conditioner energy conservation are achieved through asymmetric piston air ventilation, and the tunnel can learn to breathe; in addition, influence on electronic equipment, line safety and driver sight caused by condensation or fog due to too high humidity is avoided, safety risks and hidden dangers are reduced, and safe operation is ensured.

The invention relates to the technical field of integrated reflector polishing, in particular to optical glass integrated reflector polishing equipment and method.The optical glass integrated reflector polishing equipment comprises a base, a top seat and a set of supporting plates, the top seat is movably arranged on one side of the base, and the set of supporting plates are symmetrically arranged on the base and connected with the top seat; a hydraulic cylinder is arranged on the top seat, the polishing equipment further comprises a polishing system and a clamping structure, the clamping structure is arranged on the base and used for clamping and fixing a reflector, and the polishing system is movably arranged between the top seat and the base, connected with the movable end of the hydraulic cylinder and used for polishing the surface of the reflector. The whole device is high in automation degree, and compared with traditional reflector polishing equipment, the input amount of labor force is reduced, and the polishing quality of the surface of the reflector is guaranteed.

The invention discloses a high-voltage electrical porcelain multi-station automatic four-direction bending and twisting testing machine, and relates to the field of high-voltage electrical porcelain bending and twisting resistance testing, the high-voltage electrical porcelain multi-station automatic four-direction bending and twisting testing machine comprises a base, a supporting frame is arranged at the top of the base, and four bending-resistant stations and a twisting-resistant station are sequentially arranged on the base in a circular ring shape at equal intervals; an anti-bending test unit for providing horizontal test force is arranged on the anti-bending station, an anti-torsion test unit for providing torsion test force is arranged on the anti-torsion station, and each of the anti-bending test unit and the anti-torsion test unit comprises a bearing seat rotationally connected to the base. According to the multi-station automatic four-direction bending and twisting testing machine for the high-voltage electrical porcelain, the suspension is arranged, and the bearing blocks, the driving gears and other structures are arranged at the two ends of the suspension respectively, so that insulators can be conveniently conveyed, mounted and taken in the testing process, and under the cooperation of the fixing mechanism, the insulators can be automatically fixed after being placed, so that the testing efficiency is improved. Therefore, the test work of the insulator is more convenient and efficient.

The invention discloses a closed drying and fresh air fermentation combined type cow dung treatment system, the cow dung treatment system comprises cow dung drying equipment and cow dung fermentation equipment, the cow dung drying equipment dries cow dung through hot air drying, and wet and hot air in the cow dung drying equipment circulates through a closed drying system; the closed drying system comprises a dust removal device, a heat exchange device and a heat pump device; the heat exchange device is further connected with a fresh air circulation system. The fresh air circulation system comprises a fresh air supply device, a return air adjusting device and an exhaust air adjusting device. The cow dung fermentation equipment is used for fermenting cow dung by using the fresh air treated by the fresh air circulation system. According to the cow dung treatment system, energy of all parts is fully utilized, and energy input and consumption are reduced to the maximum extent. The cow dung treated by the system is used as bedding for the cow in bed, so that the mastitis morbidity of the cow can be effectively reduced, and the milk yield of the cow is improved.

The invention belongs to the technical field of welding, and particularly relates to a copper column multi-face welding process which comprises a welding piece, the welding piece is provided with at least two opposite or adjacent tin soldering faces, a copper column is welded to any tin soldering face, and the specific welding process comprises the following steps that S100, the copper columns are placed on the tin soldering faces, and the copper columns are welded to the tin soldering faces; a to-be-welded seam is formed between the contact surfaces of the copper column and the tin soldering surface; the method aims at determining the welding sequence of all to-be-welded joints on a welding part in advance, then sorting solder wires according to the melting points from high to low, then filling the first to-be-welded joint with the solder wire with the highest melting point, then filling the second to-be-welded joint with the solder wire with the second highest melting point, and so on. In this way, it can be ensured that when the solder wire in the subsequent to-be-welded seam is heated, the solder wire in the previous to-be-welded seam cannot be molten again, and therefore the performance of the welded seam before and after welding can be effectively controlled by selecting ordered welding and adopting the solder wires with different melting points, and the welding quality is improved.

The invention belongs to the technical field of metal materials and radiation protection, and particularly relates to a preparation method of thermal neutron shielding steel. According to the method, efficient spray forming of the B4C / 304 stainless steel composite material is achieved through a gas-solid two-phase flow driving mechanism under the negative pressure environment, B4C ceramic particles are evenly dispersed and embedded into a 304 stainless steel matrix, and due to the strong driving force of gas-solid two-phase flow, firm interface bonding is formed between the B4C particles and the matrix. According to the process, gas atomization and solid-phase medium particles are combined, a gas-solid two-phase mixed flow is formed, the atomization efficiency is greatly improved, the powder particle size is refined, reinforced phase distribution is optimized, and a new way is opened up for preparation of the high-performance thermal neutron shielding steel composite material.

The invention discloses a portable solar photovoltaic power supply fresh water collecting, conveying and purifying device. The device comprises an energy collecting section, an air suction section, a filtering section, a condensation section, a water collecting, conveying and exhausting section and a water storage section which are arranged in sequence, the energy collecting section is used for converting the collected light energy into electric energy to be stored in the storage battery, and the electric energy is provided for the air suction section and the condensation section; the air suction section is used for sucking moisture-containing air in the environment; the filtering section is used for filtering particulate matters in the inhaled humid air; the condensation section is used for completing condensation and water collection; the water collecting, conveying and exhausting section is used for completing separation of liquid drop airflow; the water storage section is used for completing water drop collection and storage. The hydrophilic / hydrophobic surface property is reasonably utilized, the influence of the boundary effect of the hydrophilic surface is reduced, and the problems of low water collection efficiency and small water collection amount are solved.

The invention discloses a data question and answer method, system and device and a computer program product, and relates to the technical field of intelligent question and answer, and the method comprises the steps: receiving and rewriting a user question, and obtaining a rewritten user question; retrieving related table data in a database according to the rewritten user question to obtain a corresponding table view; constructing a first cue word in combination with the rewritten user question and the table view; obtaining a query language based on the first cue word through a large language model; querying through the database based on the query language to obtain query data, and constructing a second prompt word in combination with the user question; and finally, based on the second cue word, generating a corresponding answer through a large language model. According to the scheme, through user question rewriting, the user intention can be recognized more accurately; through data retrieval, model input is effectively reduced, and model accuracy is improved; meanwhile, based on the question answering system of the large language model, higher accuracy, flexibility, expansibility and user experience are achieved.

The utility model provides a plug-in type quickly spliced construction fence, and relates to the technical field of construction fences, the plug-in type quickly spliced construction fence comprises a frame a, a frame b is arranged on one side of the frame a, open grooves are respectively arranged on two opposite sides outside the frame a and the frame b, blocking nets are arranged inside the open grooves, and two through holes are respectively arranged on one side outside the frame a and one side outside the frame b. The construction fence can be quickly built through the splicing assemblies, the labor input amount is effectively reduced, 360-degree angle adjustment can be achieved through an insertion type connection mode, the construction fence is suitable for complex terrains in a multilateral form and can be used even if the construction fence deforms, the material cost is saved, the length of the fence can be increased through the extension assemblies, and the construction fence is convenient to use. The fence can be extended on the basis of the original fence size, the overall length of the fence is changed according to the actual construction requirement, the use number of the fence is reduced, and the fence can be transported and stored conveniently.

The utility model discloses a spraying device of a wire cutting machine, which comprises a machine body and a circulating device, a cutting wire cylinder is arranged above the machine body, and the circulating device is mounted above the machine body; the adjusting device is arranged above the circulating device; the spraying device is arranged below one side of the cutting wire cylinder; wherein the circulating device can be used for recycling the cooling liquid. The utility model relates to the technical field of wire cutting machines, the spraying device of the wire cutting machine can efficiently cool the cutting position of a workpiece through the cooperation of the machine body, the circulating device and the spraying device, and can recycle used cooling liquid, so that the input amount of the cooling liquid can be greatly reduced, and the working efficiency is improved. And therefore, the investment of economic cost can be reduced, a worker can treat the cooling liquid more conveniently, and the use of the worker is facilitated.

The invention belongs to the technical field of car purchase analysis, and discloses a car purchase intention analysis method suitable for a user, and the method comprises the following specific steps: 1, enabling the user to log in a system, and obtaining a user identity; 2, obtaining the vehicle types (designated vehicle types, intentional vehicle types of user portraits and hot vehicle types) of the user; the scheme provides a relatively automatic and user-friendly design method of a practical tool for acquiring the vehicle purchase price, so that the user can know the concerned vehicle more quickly, can also obtain the specific price of the concerned vehicle quickly and can also know the price change of the concerned vehicle at the first time, and the user experience is improved. In this way, the user can use the vehicle more easily, the aims of achieving the effects that input of user operation is less, and obtained information feedback is more and more timely are achieved, the user can obtain better use experience on similar products, the initial use expectation of the user is achieved, and the purchase interest of the user on the vehicle is improved.

The invention relates to the technical field of sulfur hexafluoride degradation, in particular to a sulfur hexafluoride conversion device and a sulfur hexafluoride conversion method based on double-anode thermal plasmas, the sulfur hexafluoride conversion device comprises a ventilation component, a gas mixing component, a gas distribution component, a gas distribution component and a gas distribution component, the degradation assembly comprises a reaction part and a degradation part, the reaction part is arranged on the gas mixing part, and the degradation part is arranged on the reaction part; and the cooling and exhausting assembly comprises a cooling piece and a tail gas piece, the cooling piece is arranged on the reaction piece, the tail gas piece is arranged on the cooling piece, high-concentration SF6 degradation can be achieved, the degradation efficiency is high, and the degradation rate is high. The content of degraded components can be visually displayed, and data investigation is very convenient; the arc length and the arc voltage of the arc striking anode are increased, and low-current input and high-power output are realized; the main product after degradation is tungsten hexafluoride, so that the tail gas after degradation also has availability.

The invention belongs to the technical field of ventilation equipment, and discloses a workshop ventilator with a filter assembly and an operation method thereof, the workshop ventilator comprises a mounting cylinder and an exhaust fan fixedly mounted in the mounting cylinder, the top of the mounting cylinder is fixedly provided with a top cover assembly, and the top of the mounting cylinder is fixedly sleeved with a filter part. According to the invention, dehumidizer particles fully roll in the storage frame, the internal dehumidizer particles continuously push, roll and slide down in cooperation with the effect of a circular truncated cone surface in the storage frame, and the dynamic state of the dehumidizer particles is utilized to guide sucked air into the storage frame through an air suction groove, and the sucked air is fully contacted with the dynamic dehumidizer particles, so that the dehumidification effect of the dehumidizer particles is improved. The contact effect of dehumidification particles and sucked air is greatly improved, through the action of dynamic movement, the adsorption area is increased, the dehumidification intensity in unit time is greatly improved, the situation that wet air sucked rapidly flows too fast and cannot be fully dehumidified is avoided, and the dehumidification effect is comprehensively improved.

The invention discloses a preparation method and application of a nickel-cobalt-based photo-thermal catalyst, NiCo alloy nanoparticles of the catalyst are uniformly loaded on amorphous Al2O3 nanosheets, metal elements in the catalyst comprise three metal elements of Ni, Co and Al, and the molar ratio of Ni to Co to Al is 1: 1: 1-3: 1: 1. The NiCo alloy catalyst shows excellent activity in photo-thermal methane cracking and photo-thermal methane dry reforming reaction; compared with traditional thermocatalysis, the catalyst provided by the invention utilizes light as energy input to drive the methane conversion reaction, and reduces energy input required by the reaction, so that the photo-thermal methane conversion utilization reaction adopted by the invention is more environment-friendly and energy-saving than a system in the prior art; the high-added-value carbon nanofibers are prepared through photo-thermal methane cracking for the first time, the diameter of the carbon nanofibers is about 30 nm, the length of the carbon nanofibers can reach micron, and the method is expected to be amplified in industry and applied practically.

The invention provides an improvement method for tobacco field soil in a high-altitude cold area, and belongs to the technical field of tobacco field soil improvement. The improvement method provided by the invention comprises the following steps: (1) in the later period of tobacco leaf picking or after tobacco leaf harvesting and soil preparation, spreading leguminous green manure, and after 10-30 days, spreading cruciferous green manure; 2, 25-35 days before tobacco transplanting, green manure is turned over and returned to the field, and meanwhile biochar is applied; and (3) preparing soil and ridging, applying a special fertilizer for tobacco, transplanting the tobacco, and applying a microbial agent when the tobacco is transplanted. According to the improvement method provided by the invention, the green manure green-pressing biomass can be remarkably improved, the soil fertility is improved, the activity and function of soil microorganisms are improved, the yield and quality of tobacco leaves are improved, the sustainable development of tobacco leaf production is promoted, and remarkable social benefits and economic benefits are generated.

The invention discloses a crucible and a temperature field structure for growing crystals by a Czochralski method, the crucible is a cylinder with an open upper end and a closed lower end, the crucible sequentially comprises a crystal growth area, a transition area and a heat preservation area from top to bottom, the transition area and the heat preservation area are used for accommodating a melt, and the transition area and the heat preservation area are communicated with the crystal growth area. The transition area and the heat preservation area are buried in a zirconium sand layer of the temperature field structure during crystal growth, the crystal growth area is used for crystal growth, the heat preservation area and the crystal growth area are both equal-diameter cylinders, the diameter of the heat preservation area is smaller than that of the crystal growth area, the transition area is connected between the heat preservation area and the crystal growth area, and the transition area is connected with the heat preservation area. The transition area is a conical barrel with the upper end large in diameter and the lower end small in diameter. According to the invention, the problem that the spontaneous crystallization phenomenon of a melt easily occurs at the bottom of a large-size crucible for growing large-size crystals in the prior art is solved, and stable growth of the large-size crystals is ensured.

The invention discloses an automatic driving Internet of Vehicles task unloading method based on width reinforcement learning, and the method specifically comprises the steps: obtaining data through a VISSIM simulator, taking the data as the input of a width reinforcement learning environment, and providing a basis for the subsequent decision; width reinforcement learning based on dynamic pricing is used for decision making, the number of vehicles capable of being unloaded is determined, and therefore the uncertainty in the unloading process is effectively dealt with. In the task division stage, nearby vehicles suitable for unloading are found out through a type-2 fuzzy system, tasks are ingeniously distributed to the appropriate vehicles, and the task unloading efficiency and accuracy are improved; and reward solution is carried out by applying width reinforcement learning based on dynamic pricing again, so that better reward is achieved, and the utilization rate of resources is further improved. The invention aims to solve the task unloading problem in the automatic driving Internet of Vehicles and realize intelligent and efficient resource management.

The negative pressure liposuction device comprises a machine shell, a liquid storage pipe and a collecting pipe are installed at the bottom of the side face of the machine shell, a liquid injection opening is formed in the surface of the machine shell, a suction pump is installed at the back end of the machine shell, a connecting pipe is connected between the suction pump and a cover plate at the top end of the collecting pipe, and a top plate slides in the liquid storage pipe. According to the device, through the arrangement of the top plate, the adjusting pipe, the electric push rod and the suction force adjusting mechanism, the suction force in an area with more or less fat is adjusted according to the input amount of the swelling liquid, and fat tissues can be separated and liquefied more effectively by increasing the input amount of the swelling liquid in the area with more fat; the suction process is smoother, fat can be sucked more quickly through large suction force, the operation time is shortened, and the risk of injury to subcutaneous tissue can be reduced by reducing the input amount of swelling liquid and the suction force in an area with the small fat amount.

The present disclosure provides an analytic personalization framework. Methods, systems, and computer readable media for personalized analysis of user interfaces. The method includes generating a training dataset from received user interaction data, inputting the training dataset to a machine learning model to train the model, generating a set of user interest scores for a particular user, where each user interest score indicates a user's interest to access information corresponding to a UI element of an application, and generating a user interest score for the particular user. The method includes determining a user interest score, determining that the user is interested in a particular UI element that is not included in the initial UI and has at least a threshold score according to the user interest score, dynamically modifying the initial UI to include the particular UI element, presenting an updated UI, monitoring further user interactions, updating a model based on the further user interactions, and modifying the updated UI based on the updated model.

The invention provides a Yankee drying cylinder system with multi-stage heat energy recovery and automatic temperature control, which relates to the technical field of heat energy recovery and comprises a multi-stage heat energy recovery unit, a steam mixing and adjusting unit and an intelligent temperature control center, the multi-stage heat energy recovery unit is used for recovering sensible heat of tail gas discharged by a Yankee drying cylinder, heat dissipation of a cylinder body and latent heat of condensate water and converting the sensible heat, the heat dissipation and the latent heat into available low-pressure steam; by arranging the first-stage tail gas recovery assembly, the second-stage cylinder body heat dissipation recovery assembly and the third-stage condensate water recovery assembly which are sequentially connected, sensible heat of tail gas discharged by the Yankee dryer, heat dissipation of the cylinder body and latent heat of condensate water can be comprehensively captured, and energy waste caused by direct discharge of waste heat in a traditional system is avoided; recycled heat energy is converted into low-pressure steam, then the low-pressure steam is stored in the low-pressure steam buffer tank and serves as a recycled steam source to be mixed with main steam to be introduced into the Yankee drying cylinder again, part of main steam consumption is effectively replaced, the input amount of external main steam is greatly reduced, and the industrial development trend of energy conservation and consumption reduction is met.

The invention provides a three-time air supply methanol-to-hydrogen combustion evaporator which comprises a heat exchanger, a combustion evaporator body, a combustion chamber and a three-time air supply device, the air outlet end of the heat exchanger communicates with the three-time air supply device, and the three-time air supply device is arranged at the top of the combustion chamber. The tertiary air supply device blows flames generated during combustion of the combustion chamber to the combustion evaporator, the heat exchanger is used for preheating normal-temperature air, and the tertiary air supply device supplies air to the combustion chamber. The three-time air supply design is adopted, so that combustion is more complete, the flame temperature distribution is uniform, the heat efficiency is greatly improved, and fuel waste is reduced. Through gas preheating and waste heat recovery, external energy input is reduced, the operation cost of the system is remarkably reduced, and the energy-saving and environment-friendly trend is met. The high-temperature gas guide pipe guides waste heat back to the heat exchanger, heat energy recycling is achieved, the overall heat energy utilization rate is increased, and emission loss is reduced.

The invention provides a financial risk detection method and system based on a variable-length particle swarm algorithm, electronic equipment and a storage medium, and the method comprises the steps: extracting a plurality of discrete features of financial data, and combining a preset risk classification feature with each discrete feature to obtain a plurality of discrete feature combinations; determining a symmetric uncertainty value of the discrete feature combination according to the risk classification features and the discrete features in the discrete feature combination; sorting the discrete features according to the symmetry uncertainty value of each discrete feature combination; initializing the position and the speed of each particle in the population of the variable-length particle swarm algorithm according to each sorted discrete feature, and screening out a plurality of target discrete features from each sorted discrete feature by using the variable-length particle swarm algorithm after the position and the speed of each particle are initialized; and performing risk assessment according to each target discrete feature through a pre-trained risk assessment model to obtain a risk assessment result of the financial data.

This invention relates to the field of chlor-alkali electrolysis equipment, and more particularly to an assembly of independent unit bipolar ion-exchange membrane electrolyzers, comprising an assembly frame and multiple fixed frames. The assembly frame supports the fixed frames, and independent unit electrolyzers are mounted on the inner sides of each fixed frame via fixing bolts. Each independent unit electrolyzer includes a frame, with a composite plate fixedly connected to the center of the frame. The composite plate separates the cathode chamber and the anode chamber on both sides of the frame. Anode ribs are fixedly connected to the interior of each anode chamber, and an anode mesh is installed at the end of each anode rib away from the composite plate. This invention creates forced disturbance to the solution inside the anode chamber during continuous replenishment of refined brine, significantly improving solution mixing and flow efficiency, allowing the brine to fully contact the electrodes, and enhancing the completeness of the electrolysis reaction. Compared to traditional passive flow methods, the solution circulation effect is significantly improved.