36results about How to "Effective handling" patented technology

The utility model relates to an automatic slag discharging device for metallurgical slag, and aims to solve the problems that the slag cooling efficiency is low and the slag discharging process is not environment-friendly. The device comprises an L-shaped cooling pipe with a bent bottom, wherein the upper section of the L-shaped cooling pipe is communicated with a slag discharge port of the metallurgical furnace; the circulating cooling part is arranged on the cooling pipe and is used for cooling slag; the dispersing part comprises a rotating power mechanism, a rotating shaft and a dispersing plate, dispersing holes are densely distributed in the dispersing plate, the dispersing plate is located below the slag discharging opening, the rotating shaft is driven by the rotating power mechanism to rotate, slag is discharged from the dispersing holes under the action of gravity and centrifugal force and dispersed into particles, and rapid cooling and subsequent recycling treatment are facilitated; the blades are arranged on the rotating shaft and located above the slag discharging opening, and the blades rotate synchronously when the rotating shaft rotates; one end of the waste gas discharge pipe is communicated with the top of the cooling pipe, and the other end is connected with a waste gas treatment system for discharging and treating waste gas generated by slag cooling. According to the utility model, the slag cooling efficiency is improved, and the slag discharging process is more environment-friendly.

This invention discloses a method and system for identifying innovative points in academic papers, relating to the field of artificial intelligence technology. The method first processes the paper abstract through a concept path extraction module, including: structured semantic segmentation, concept pair extraction and verification, constraint relation triple generation, hierarchical verification, and path optimization, to construct a complete set of concept paths for the paper. Then, in a rare path discovery module, the popularity index of each concept path in the global path frequency dictionary is calculated and compared with a threshold to identify rare paths as the scientific innovative points of the paper. This invention effectively suppresses the illusion of language models through a knowledge graph constraint mechanism, significantly improving the accuracy of concept path extraction and its coverage of long-tail concepts, achieving accurate and efficient identification of innovative points in academic papers at the path level.

The utility model relates to the technical field of waste treatment equipment, in particular to a waste treatment device for tire isolation preservative film processing, which comprises a base and a treatment box arranged at the top of the base, a feeding groove is arranged on one side of the treatment box, and a conveying belt is arranged below the inside of the feeding groove. A cutting table fixedly connected with the inner wall of the treatment box is arranged at the terminal end of the conveying belt, and a liftable vertical cutting knife is arranged above the cutting table; a flow guide plate fixedly connected with the top of the interior of the treatment box is arranged on the side, away from the conveying belt, of the cutting table, and a transverse crushing roller and a longitudinal crushing roller frame are sequentially and horizontally arranged below the position between the cutting table and the flow guide plate from top to bottom; a discharge pipe is arranged at the bottom of the treatment box; the lower portion of the discharging pipe communicates with a compression box with one end being open. And through the multi-stage crushing and compression design, efficient treatment of tire isolation preservative film waste is achieved, the size of the waste is reduced, and the treatment efficiency and the environmental protection performance are improved.

The utility model discloses a recovery device for adblue solution, including the bracing frame, be equipped with the processing subassembly on the bracing frame, the processing subassembly includes fixed seat, processing cylinder, motor, stirring rod and connecting plate, fixed seat is equipped on the bracing frame, processing cylinder is equipped on the fixed seat, the motor is equipped on the stirring rod, and the connecting plate is equipped on the motor. The motor is fixedly installed on the treatment barrel, the stirring rod is connected to the output end of the motor, the connecting plate is arranged on the stirring rod, a filtering assembly is arranged at the bottom of the treatment barrel and comprises a discharging pipe, a filtering box and a feeding hopper, the discharging pipe is installed at the bottom of the treatment barrel, a valve is arranged on the discharging pipe, and the filtering box is connected with the discharging pipe. And the filter box is arranged at the bottom of the discharge pipe, so that the technical problems that urea and other components in a solution cannot be uniformly mixed and the use effect of the solution and the efficiency of a catalytic reduction reaction are influenced due to the fact that an effective stirring mechanism is generally lacked in an existing recovery device mentioned in the background technology are solved.

This invention discloses a real-time monitoring system and method for automotive parts production data, belonging to the field of industrial intelligent monitoring technology. The method includes mapping a coupled dataset of parts production to a quantum state space to obtain a compressed quantum feature vector; applying an environmental compensation factor to dynamically adjust the compressed quantum feature vector using a rotating door mechanism, outputting an environmentally adaptive quantum feature vector; inputting the environmentally adaptive quantum feature vector into a risk causal inference model; performing quantum state probability transformation calculations in a quantum probability calculation layer; and quantifying feature interactions and causal effects in a causal inference layer, outputting a heatmap of parts perforation offset. This invention effectively processes and fuses data from different sources by mapping the coupled dataset of parts production to a quantum state space and using a quantum variational encoder for quantum amplitude compression. Simultaneously, it utilizes a risk causal inference model to deeply analyze and quantify the root causes of quality problems during the production process.

The utility model discloses a kind of scaling coal powder cleaning devices on conveying belt, belong to scaling coal powder cleaning technical field, including rack, grinding mechanism, dust removal mechanism, driving mechanism and belt reversing mechanism;Grinding mechanism includes support wheel and grinding wheel, support wheel and rack rotation connection, grinding wheel is coaxially fixed in the outer ring of support wheel, grinding wheel includes grinding wheel outer frame, grinding wheel inner frame and grinding layer, grinding wheel outer frame and grinding wheel inner frame are coaxially arranged and elastically connected, and grinding layer is arranged in the outer layer of grinding wheel outer frame.The utility model realizes the effective cleaning and collection processing of scaling coal powder on conveying belt by the cooperation of grinding mechanism, driving mechanism, dust removal mechanism and belt reversing mechanism, without shutdown maintenance.

The utility model provides an intelligent robot emergency stop circuit, including power supply, emergency stop trigger source module is used for triggering emergency stop signal, emergency stop trigger source module includes at least one emergency stop button and at least one anti -collision strip sensor interface, and emergency stop button, anti -collision strip sensor interface are connected with power supply, a plurality of signal processing modules, and each signal processing module includes first photoelectric coupler, and the input of first photoelectric coupler is connected with emergency stop button or anti -collision strip sensor interface, and the output is connected with MCU, self -locking control module respectively, self -locking control module includes self -locking circuit, and the input of self -locking circuit is connected with a plurality of signal processing modules respectively, and the output is connected with motor control module, and motor control module is used for receiving the emergency stop signal of handled and control motor stop movement, the utility model has realized the effective integration to multiple emergency stop signal source, and its self -locking function can maintain the emergency stop state automatically after triggering.

The utility model discloses equipment for gangue treatment in the technical field of gangue treatment, which comprises a tank body, a crusher is fixedly mounted on one side of the top of an inner cavity of the tank body, an overflow tank is fixedly mounted on the other side of the top of the inner cavity of the tank body, and a foam scraper is fixedly mounted on one side of the overflow tank. A rubber coating is arranged on the surface of an inner cavity of the groove body, and a vortex device is fixedly installed at the bottom of the inner cavity of the groove body. Through the arrangement of the tank body, effective gangue treatment and recovery can be conveniently realized, through the arrangement of the crusher, ore can be conveniently refined to a proper particle size range, through the arrangement of the overflow tank, scum can conveniently flow out of the tank body, so that flotation separation is realized, through the arrangement of the foam scraping plate, the scum is guided to the overflow tank, and meanwhile, foam is prevented from overflowing; and through the arrangement of the rubber coating, the wear resistance and corrosion resistance of the equipment are conveniently improved, and through the arrangement of the vortex device, the flowing direction of flotation froth and the bottom of ore is conveniently controlled.

This invention discloses a method for constructing a digital twin for a water electrolysis hydrogen production system, relating to the field of digital twin technology. The method includes: collecting multi-source operational data from the water electrolysis hydrogen production system, extracting all sampling points, constructing proximity relationships between all sampling points to form a proximity connection graph; traversing the proximity connection graph, organizing the shortest path distances between all pairs of sampling points to form a high-dimensional spatial distance matrix, using multi-dimensional scaling transformation to map the sampling points to a low-dimensional space, establishing a correspondence between the low-dimensional coordinate vectors and the high-dimensional original data, forming a digital twin state representation model; based on the state representation model, constructing a probabilistic graphical model containing three types of nodes: components, sensors, and state variables; setting initial node confidence and information transmission rules, iterating until the confidence stabilizes; performing corrections based on node state deviations; and iterating in real-time according to the correction cycle to achieve real-time synchronization between the digital twin and the water electrolysis hydrogen production system.

The utility model discloses a kind of aluminium alloy continuous casting and rolling gas treatment collecting device and the gas treatment system comprising it, collecting device includes bottom plate, fixed shell, left baffle, right baffle, movable shell, track, gas outlet cover, first flue, first induced draft fan and second flue;Fixed shell includes back plate, top plate, left side plate and right side plate;Left baffle and right baffle are respectively spliced with left side plate and right side plate;Left baffle side wall is equipped with feed inlet, and right baffle side wall is equipped with discharge port;Track is installed between left baffle and right baffle, movable shell bottom is slidably fitted on track, top and the top plate edge of fixed shell on top are slidably fitted;Bottom plate, fixed shell, left baffle, right baffle and movable shell are spliced and form rolling room;Rolling mill body is located in rolling room;First flue passes through first induced draft fan and sucks the flue gas generated by casting machine body to rolling room;Second flue leads to gas treatment device.This application effectively improves the production environment of aluminium alloy continuous casting and rolling.

The utility model relates to ball mill device technical field discloses a kind of ball mill devices for noble metal catalyst processing of convenient dust reduction, including outer tube and ball mill filter cylinder, the front and rear sidewalls of ball mill filter cylinder bearing are penetrated by outer tube, and the inside of ball mill filter cylinder is placed with multiple grinding steel balls, the surface of outer tube is fixedly installed with four support columns, and the bottom surface of support column is fixedly installed with bottom plate, the front sidewall center bearing of ball mill filter cylinder is penetrated and is provided with feed hopper, and feed hopper is fixedly installed on the top surface of bottom plate by straight rod, the bottom of outer tube is fixedly penetrated and is provided with guide chute, this ball mill device for noble metal catalyst processing of convenient dust reduction can effectively collect and handle the dust generated in ball milling process, reduce the harm of dust to the health of operator and pollution to working environment, while avoiding dust to influence the normal operation of other equipment, meet the demand of noble metal catalyst efficient processing.

The embodiment of the invention belongs to the technical field of audio management, and relates to an audio output mode switching system and method, computer equipment and a storage medium, and the system comprises a change-over switch, an input port, an output port, left and right sound channel audio channels, an expansion sound channel audio channel and an audio processor. According to the application, different audio output modes can be conveniently and flexibly switched according to the requirements of a user or a use scene, and meanwhile, the audio signals can be effectively processed and transmitted, so that diversified audio playing requirements are met.

The embodiment of the invention provides a wireless communication method applied to a low power wakeup signal (LP-WUS) at a base station end, and the method comprises the steps: receiving or generating at least one subgroup-based LP-WUS which comprises at least one temporary subgroup identifier (ID), transmitting the at least one subgroup-based LP-WUS to at least one subgroup user equipment (UE), and transmitting the at least one subgroup-based LP-WUS to the base station end, wherein the at least one sub-group comprises a first sub-group and a second sub-group. A wireless communication method applied to an LP-WUS at a base station end comprises transmitting at least one resource and / or parameter related to the LP-WUS before transmitting the LP-WUS to at least one UE or at least one sub-group of UEs in a cell.

The utility model relates to carbon brush production technical field and disclose a kind of conveying mechanism for carbon rod processing, including belt conveyor, the rack of belt conveyor is fixed with two opposite side plates, and one of the side plates is equipped with motor, reciprocating screw rod is rotatably installed between two side plates, guide rod is also fixed between two side plates, the output shaft of motor is connected with the one end of reciprocating screw rod, cooling assembly is provided on two side plates, and rolling assembly is also provided on two side plates.The utility model can increase the structural strength of carbon rod by solidification treatment to carbon rod spray cold air flow, and the solidification effect can help to ensure that carbon rod is not prone to deformation or damage in processing, improve the processing quality and production efficiency of carbon rod.

The invention discloses an intelligent question and answer result comparison and traceability method and system for power marketing, and relates to the technical field of intelligent question and answer, and the method comprises the steps: S1, generating a plurality of intelligent responses according to the consultation content; s2, identifying key information associated with the power marketing business according to the intelligent response and performing information comparison; s3, querying a power marketing background business system in real time and performing conflict judgment according to the key information after comparison is completed, and obtaining target business data directly associated with the key information; s4, in the generated response, embedding a traceability link pointing to the target business data based on a traceability mechanism, and performing data traceability according to the traceability link; according to the method, specific business data and calculation logic can be traced, the credibility and transparency of the question and answer result are enhanced, and the reliability of the answer result is improved.

The application discloses a train occupied area determination system based on transponder position information, and can make the on-board operation control subsystem still send the absolute position information obtained from the transponder to the train dispatching system and the resource management system when the on-board operation control subsystem fails, thereby providing a feasible basis for the train dispatching system and the resource management system to automatically handle the failure, or providing key information for the dispatcher to manually handle the failure. Compared with the prior art, the application can timely let the dispatching system and the dispatcher know the current position information of the failure train, thereby facilitating the organization of effective failure handling and operation recovery work. The application can reduce the operation recovery time under the failure condition, improve the availability of the train control system based on the train-to-train communication technology field or the train autonomous operation technology field, and improve the operation service level of the line.

The utility model discloses a heat energy recovery device for heat energy power engineering, which belongs to the technical field of heat energy recovery and can ensure that impurities on a filter screen can be effectively cleaned during working and avoid the problems that impurities in hot gas block a pipeline and are adsorbed on the surface of the pipeline to influence subsequent heat exchange and the like as much as possible. The heat energy recovery device for the heat energy power engineering comprises a recovery barrel, the interior of the recovery barrel is hollow to form a cavity, a communicating pipe is spirally fixed in the cavity, a heat dissipation assembly for assisting heat dissipation is installed on the communicating pipe, a top base is arranged at the top of the recovery barrel in a protruding mode, and the interior of the top base is hollow to form a cleaning cavity. A funnel-shaped filter screen is fixed to the position, close to the top, of the cleaning cavity, a cleaning assembly is installed on the filter screen, an insertion box is installed on the portion, corresponding to the lower portion of the filter screen, of the top base in an inserted mode, a collecting base is installed on the insertion box, and first installation pipes are installed at the top of the top base and the bottom of the recycling barrel correspondingly; and a water changing pipe is horizontally mounted on the side edge of the recycling barrel.

The invention relates to a lighting assembly (100) for a lighting device (200) of a motor vehicle, the lighting assembly (100) comprising an objective module (1) having at least one objective (11) mounted in a lens holder (10) and at least two first pins (12), the lighting assembly (100) further comprising a light source module (2) having at least one light source (21) mounted on a heat sink element (20) and at least two first cavities (22), wherein the objective module (1) and the light source module (2) are connected by means of an adhesive joint between the first pins (12) and the first cavities. According to the invention, the lens holder (10) comprises the first pins (12) and / or the heat sink element (20) comprises the first cavities (22).

The invention relates to the technical field of water, wind and light power prediction, and discloses a wind power plant power limit data identification and correction method and device, and the method comprises the steps: employing a CNN-LSTM model to learn normal wind speed-power curve features, and through the combination of one-dimensional convolution and a pooling layer, effectively capturing the correlation features of wind speed and power, and carrying out the recognition and correction of the power limit data of a wind power plant. The identification accuracy and stability of the abnormal section of the wind power plant are improved; by adopting multi-dimensional wind regime feature analysis and similarity calculation, the complex wind power plant operation state can be effectively identified and processed, the limitation of only depending on a single feature in the prior art is overcome, and the comprehensiveness and accuracy of wind power plant abnormal data identification are improved; the weight of each similar section is determined based on the similarity of the fan states, and the reconstruction power value of the power limiting section is obtained through a weighted summation mode, so that the reliability and the accuracy of the operation data of the wind power plant are improved.

This utility model relates to the field of trash rack technology, and in particular to a cleaning mechanism and trash rack, which includes a driving component fixedly mounted on a device; and a moving component connected to the driving component, wherein the driving component provides driving force to the moving component. By placing the cleaning mechanism at the front end of the filter screen, this utility model can clean and collect impurities on the surface of the filter screen, thereby avoiding the problem of poor water flow caused by filter screen blockage by impurities. While ensuring the normal use of the filter screen, it collects and cleans impurities in the water, improving the aquatic environment.

The utility model discloses a grinding machine for processing metal buttons, which comprises a workbench, and the top of the workbench is fixedly connected with an operation box. According to the utility model, the innovative structural design is adopted, and the functions of dust removal, adsorption, fixation and the like are organically combined. Through cooperative operation of an operation box, a water pump, a fan, a dust removal plate and an activated carbon adsorption plate, metal chippings and dust generated in the polishing process can be effectively collected and treated, pollution to the working environment is greatly reduced, dust is prevented from harming the body health of operators, meanwhile, chippings are prevented from entering a transmission part of the polishing machine to aggravate abrasion, and the service life of equipment is prolonged; and by means of a quick positioning structure formed by an electric cylinder and a clamping plate and the humanized operation design formed by a baffle, an opening and a sealing ring, an operator can conveniently and efficiently complete metal button polishing work, double improvement of the protection performance and use convenience is achieved, and the device has the advantages of being convenient to use and having the protection effect on the environment and the operator.

The invention discloses a wastewater multi-treatment system for pollution abatement, and belongs to the technical field of wastewater and waste gas treatment, the wastewater multi-treatment system for pollution abatement comprises an absorption water tank for ammonia gas absorption treatment, the absorption water tank is provided with a waste gas collecting and conveying gas channel, a heat exchange absorption cover is connected with a conversion absorption disc through a conversion device, and the conversion absorption disc is provided with a plurality of heat exchange channels. Residual hydrogen and ammonia gas which are not fully absorbed in the absorption water tank are sucked into the treatment system again through the concentration opening in the waste gas collecting and conveying gas channel by means of airflow suction force, circulation treatment is formed, and the hydrogen gathering cover on the top of the equipment naturally floats and is enriched by means of the physical characteristic that hydrogen is low in density. By arranging the valve capable of being controlled to be opened and closed, high-concentration hydrogen is guided into the combustion device and is mixed with air sucked in through the inclined oxygen inlet to be safely combusted, the explosion hidden danger caused by hydrogen accumulation in tail gas is thoroughly eliminated, purification and final treatment of hydrogen are achieved, and the safety of exhausted gas is ensured.

The application relates to the field of environmental protection and resource recycling technology, and discloses an electrolytic aluminum residual anode cleaning and crushing method, which comprises the following steps: recycling classification according to the degree of electrolytic aluminum residual anode; sequentially entering a pre-crushing treatment system according to the degree of electrolytic aluminum residual anode; entering three different cleaning procedures, A, B and C, according to the degree of electrolytic aluminum residual anode; after first-stage cleaning, entering an intelligent automatic cleaning system for secondary cleaning; after cleaning, entering a crushing system to apply special cleaning equipment for final crushing of residual anodes, the content of trace elements is effectively reduced, the harm to the working condition of electrolytic cells is reduced, and the quality and safety of electrolytic aluminum production are improved; in general, the classification treatment route designed according to the different degrees of residual anodes achieves the beneficial effects of improving resource recovery rate, ensuring product quality, improving production efficiency and environmental protection, and also promotes the enhancement of the economic benefits and environmental sustainability of electrolytic aluminum production.

The invention provides an information communication system and method based on satellite mobile communication. The system comprises a gateway station which is used for receiving processing information of a user terminal through satellite mobile communication connection with the user terminal and sending the processing information to different data adaptation and access equipment of an information network application platform; the data adaptation and access equipment is used for receiving the processing information, analyzing the processing information and sending the analyzed application data to the application service equipment of the corresponding class; the application service equipment of the information network application platform is used for processing and storing the received application data of the corresponding class; and the data monitoring center is used for monitoring and acquiring target data in the application service equipment executing different types of application services. The system enhances the service diversity and improves the resource utilization rate.

The utility model discloses a centralized dual water supply system for an operating room, and relates to the technical field of centralized dual water supply. Comprising a raw water tank, a PLC control cabinet, an instrument cleaning water tank and an operation hand brushing water tank, a central water treatment mechanism is arranged between the raw water tank and the instrument cleaning water tank and between the raw water tank and the operation hand brushing water tank, and the exterior of the instrument cleaning water tank is connected with a first branch water treatment mechanism; a branch water treatment mechanism II is connected to the outer part of the water tank for hand brushing in the operation. The central processing mechanism is shared by different water using positions in the device, so that the investment cost is reduced, the operation cost is saved, the area of a machine room is reduced, the investment cost is reduced, the energy consumption is reduced, the device is safe and environment-friendly, the possibility of secondary pollution is reduced, and the device has the advantages of convenience in installation, simple structure, economy, durability, high reliability, long service life and good stability.

This invention discloses an ultrasonic welding method and system for beryllium metal, belonging to the field of metal material joining technology. The method includes: placing and fixing a beryllium workpiece in a sealed welding cavity; activating a suction filtration system to create a negative pressure environment; applying a vertical static pressure of 0.05–0.6 MPa; outputting ultrasonic vibration with a frequency of 15–40 kHz and an amplitude of 5–50 μm, using a segmented control mode with low initial amplitude vibration; raising the interface temperature to 35%–50% of the beryllium melting point within 0.1–2.0 seconds to achieve solid-state diffusion joining; maintaining negative pressure operation after welding before removing the workpiece. This invention, through the combination of sealed negative pressure and high-efficiency filtration, ensures effective protection against highly toxic beryllium dust. Through precise solid-state joining technology and a "soft-start" strategy, welding cracks and fusion defects in beryllium materials are effectively avoided, achieving efficient, high-quality, and high-yield joining, making it particularly suitable for the manufacturing of precision beryllium components in aerospace, nuclear industry, and other fields.

This application discloses a digital twin automatic docking method based on a visual inspection device. The method includes: constructing a digital twin model based on an automatic docking unit and three-dimensional drawings of a cylinder segment; constructing a twin data model based on data measured by the visual inspection device, the docking device's operating path data, and docking force feedback data; the driving mechanism of the twin model is built according to the cylinder segment docking process, and receives visual inspection data through a specific data interface to drive the twin model's movement; the digital twin model generates a docking path based on the cylinder segment's spatial coordinate position and relative attitude deviation, and performs automatic docking pre-rehearsal in the digital twin docking system to automatically optimize the docking path; the docking path includes six degrees of freedom displacement settings, namely feed displacement, lateral displacement, heave displacement, roll angle, pitch displacement, and yaw displacement; the digital twin docking system optimizes the path based on historical docking data.

The application relates to a multi-component ore content soft measurement method based on a DBSCAN-PF-LSTM, which comprises the following steps: extracting historical assay data of multi-component ore content to be measured to establish a multi-dimensional data sequence; adopting a DBSCAN model to identify normal data and abnormal data in the multi-dimensional data sequence, calculating the average value of previous historical assay data of the abnormal data, replacing the abnormal data with the average value to obtain second historical assay data; filtering the second historical assay data by adopting a particle filter to obtain third historical assay data; constructing and training an LSTM neural network model, and obtaining the LSTM neural network model after a set number of training times; and sequentially processing the multi-component ore content data to be measured through steps 1-4 to obtain a prediction result of the multi-component ore content. Compared with the prior art, the application can effectively identify and process abnormal points in data, improve the precision and robustness of a model, and improve the accuracy of predicting multi-component ore content.

The utility model provides a strain demodulation device based on a double Michelson interference structure, which relates to the technical field of modern precision measurement and comprises a laser light source unit, a signal detection unit and a signal demodulation unit, the signal detection unit comprises a first optical coupler, a double Michelson interference structure and a signal conversion unit; wherein the output end of the laser light source unit is connected with the input end of the first optical coupler, the output end of the first optical coupler is connected with the input end of the double-Michelson interference structure, the output end of the double-Michelson interference structure is connected with the input end of the signal conversion unit, and the output end of the signal conversion unit is connected with the input end of the signal demodulation unit. The structure can synchronously guarantee the detection resolution and stability under complex working conditions.

The utility model discloses a spray room waste gas treatment device which comprises a spray room, a spray room is arranged on one side in the spray room, a water curtain filtering mechanism is arranged on the other side in the spray room, the water curtain filtering mechanism comprises a water curtain plate, and a purification cavity is formed in the side, away from the spray room, of the water curtain plate. A plurality of baffles are sequentially arranged in the purification cavity from top to bottom in a staggered mode and obliquely arranged downwards, the water tank assembly provides water flow for the water curtain plate and the baffles, a waste water tank is arranged below the water curtain plate and the baffles, and the waste water filtering system is connected between the waste water tank and the water tank assembly. By adopting the water curtain filtering mechanism and the air self-circulation system, the use of a water washing tower is effectively reduced, so that the long-term operation cost is reduced. Meanwhile, the device is compact in structure and relatively small in size, the potential damage risk to the plant roof structure is reduced, and the extra maintenance and repair cost is reduced.