94results about How to "Avoid economic loss" patented technology

The application discloses an offshore wind turbine unit overall dismantling system and method, and the dismantling system comprises a hydraulic servo loading device, a stress monitoring device, a cutting device, an anti-sinking floating device and a control device, the hydraulic servo loading device, the stress monitoring device, the cutting device and / or the anti-sinking floating device are connected with the control device respectively, and the operating end of the hydraulic servo loading device, the monitoring part of the stress monitoring device, the cutting end of the cutting device and the operating part of the anti-sinking floating device are arranged in contact with a tower drum of a wind turbine unit to be dismantled. The dismantling method is completed by using the offshore wind turbine unit overall dismantling system and comprises the following steps: 1) designing parameters; 2) installing the system; 3) starting the system; 4) recycling the system; 5) cutting the tower drum which is not completely cut in step 3) again until the tower drum is completely cut; and 6) recycling the wind turbine unit which is floating in water after being dismantled. The application avoids high economic losses and makes resources fully utilized.

This application discloses a tool setting method and tool setting fixture for a vertical slotting machine, belonging to the technical field of tool setting devices. To address the problems of low tool setting efficiency and poor accuracy in existing vertical slotting machines, the tool setting fixture includes a central support plate. A triangular jaw is installed at the bottom of the central support plate. The tool setting fixture is installed at the inner hole of the workpiece to be processed via the triangular jaw. A support base for fixing a measuring device is installed on the front side of the central support plate. A tool setting sample block is detachably connected to the support base. The operator determines the tool setting position by cooperating with the measuring device and the tool setting sample block. This application is mainly used as a tool setting device for CNC vertical slotting machines.

The invention discloses a fault prediction type industrial flow instrument based on a deep learning algorithm and a diagnostic analysis system, and relates to the field of industrial automation and intelligent monitoring. The system comprises the following components: a data acquisition module, a data processing module, a dynamic adaptive learning module based on reinforcement learning, a fault prediction module and a diagnostic analysis module. Through the dynamic adaptive learning module based on reinforcement learning, unique state definition, action adjustment, reward function design and a reinforcement learning algorithm execution mechanism, fault prediction model parameters can be optimized in real time according to working condition changes, a hybrid neural network architecture of the fault prediction module is combined with an attention mechanism, and fault prediction accuracy is improved. The method further enhances the capability of capturing fault features, all the modules are in close cooperation and collaborative optimization, and compared with a traditional fault prediction system, in a complex and changeable industrial environment, the fault prediction precision is greatly improved, the prediction efficiency is remarkably improved, and potential faults can be found in advance.

This utility model discloses a lockable sliding switch, comprising: an upper shell and a lower shell, the upper shell and the lower shell being connected to form a closed outer shell structure; a rotary lock seat, rotatably disposed within the upper shell and the lower shell; and a fixed lock seat, fixedly disposed within the upper shell and the lower shell, forming a relative rotational relationship with the rotary lock seat; the rotary lock seat is provided with a first locking plate, and the fixed lock seat is provided with a second locking plate; when the rotary lock seat is rotated to the locked position, the first locking plate and the second locking plate abut face to face, blocking the rotation of the rotary lock seat; the rotary lock seat is provided with a lock hole, and when the rotary lock seat is in the locked position, an external lock can be inserted into the lock hole and locked. This lockable sliding switch has the characteristics of double locking to prevent misoperation, stable gear switching, and reliable contact.

The application relates to the technical field of wind power generation, and specifically discloses a wind turbine clearance risk assessment method, device, equipment and storage medium. The method comprises the following steps: obtaining a wind measurement data sample of a target site to be selected by a target wind turbine; extracting actual wind condition data of the target wind turbine at the target site from the wind measurement data sample; establishing a wind condition model of the target wind turbine at the target site based on the actual wind condition data; and performing simulation calculation on the wind condition model and a whole-machine model of the target wind turbine to obtain a clearance evaluation value of the target wind turbine. Compared with the simulation evaluation in the prior art, which uses standard specified wind conditions, the actual wind conditions of the target wind turbine at the target site are considered, so that more accurate clearance risk assessment of a specific site can be performed, the stable operation of the wind turbine is facilitated, the blade tower scanning risk can be reduced under the condition that the wind resources of the site are fully utilized, great economic losses can be avoided, and the safety of wind power generation is ensured.

The utility model relates to the technical field of transportation plate trailers, in particular to a transportation plate trailer with a protection structure, and aims to solve the problem that the conventional transportation plate trailer often lacks an effective protection structure when being used for transporting goods. The problems that in the transportation process, due to the situations of road bumping, sudden braking, turning and the like, goods are likely to shake, collide and even fall off, the goods are damaged, and economic losses are brought to enterprises are solved. Comprising a supporting plate, moving wheels and a pulling handle, the moving wheels are fixedly installed at the bottom end of the supporting plate, the pulling handle is fixedly installed on the right side of the top end of the supporting plate, and a protection mechanism is arranged on the outer side of the supporting plate; the protection mechanism further comprises a U-shaped plate, sliding blocks, a fixing frame and a locking rod, sliding grooves are symmetrically formed in the front side and the rear side of the supporting plate, locking through holes are symmetrically formed in the right side of the U-shaped plate, and the sliding blocks are symmetrically installed in the bottom area of the inner wall of the U-shaped plate.

This invention provides an epoxy resin-based composite waterproofing material, its preparation method, and its application. After curing, the epoxy resin-based composite waterproofing material exhibits high flexural strength and Shore hardness, as well as excellent oil penetration resistance. It is suitable for coating the tank walls, bottom plates, and floating roof surfaces of oil storage tanks, curing to form a waterproofing layer. This enhances the oil storage tank's resistance to oil leakage, thereby extending its service life and preventing economic losses and environmental hazards caused by oil leakage.

This utility model discloses a lithium battery module with an explosion-proof protection structure, including a main body component. The main body component includes a base, connecting rods connected to both ends of the base, a protective shell fixed to the base, and a battery fixedly placed inside the protective shell. A fire extinguishing component includes a base plate threaded to the top of the battery, an L-shaped plate fixed to the base plate, a spring horizontally fixed to the L-shaped plate, a rolling gear connected to the spring, a large gear engaged with the rolling gear, a ball valve fixed to the large gear by a long rod, a fixed shell sleeved outside the ball valve, and a sandbox connected above the fixed shell. A cooling component includes a circulation pipe connected to the connecting rods. This utility model, through its fire extinguishing component, releases a special agent to isolate air and prevent combustion when the lithium battery module begins to burn due to excessive temperature, thus delaying the explosion, buying more time for rescue, and preventing greater economic losses.

The utility model discloses a cabinet type energy storage closed sub-cabin, which comprises a cabin body, a battery cabin, an electrical cabin and a liquid cooling cabin, a vertical partition plate and a horizontal partition plate are arranged in the cabin body, the vertical partition plate divides the space in the cabin body into a narrow cabin and a wide cabin, the narrow cabin is the liquid cooling cabin, the horizontal partition plate is arranged in the middle of the wide cabin, the space above the horizontal partition plate is the battery cabin, and the electric cabin is arranged in the liquid cooling cabin. A liquid cooling cabin door, a battery cabin door and an electrical cabin door are respectively arranged on two sides of the front side of the cabin body; a strong-current through-wall assembly and a weak-current through-wall assembly are arranged on the two sides of the horizontal partition plate respectively, the strong-current through-wall assembly seals a strong-current cable in the electrical cabin to lead to the battery cabin, the weak-current through-wall assembly seals a weak-current cable in the battery cabin to lead to the battery cabin, a pipe hole is formed in the top of the vertical partition plate, and a liquid cooling pipeline is arranged between the liquid cooling cabin and the battery cabin in a penetrating mode. A liquid cooling through-wall assembly is arranged on the liquid cooling pipeline, and the liquid cooling through-wall assembly penetrates through the pipe hole to seal the pipe hole; the sealing performance between the cabins is good, and the use safety is high.

The application discloses a multi-dimensional perception and self-adaptive tool changing method and system for a shield machine under low-speed pressure keeping, the tool changing system comprises a perception layer, a decision layer and a control layer; the tool changing method comprises the following steps: obtaining three-dimensional comprehensive data through a sensor; the three-dimensional comprehensive data is sent into a multi-modal space-time graph neural network MST-GNN through a sensor data fusion module, and a tool changing priority, a tool changing type label, a tool changing number and a tool changing number are output; the target tool is instantaneously positioned through the tool changing type label; angle error calculation is performed, a zero relative window is confirmed, and tool changing is realized. The application proposes the following method to cope with the long process that the traditional method must be completely stopped and depressurized, that is, under the micro-stop working condition of the low-speed cutter head and the pressure keeping of the soil bin, three-dimensional perception of defects-life-geology is fused, millisecond-level decision is made, RFID instantaneous positioning is performed, five times spline closed-loop tool changing is performed, and the tool changing time is reduced from hours to minutes.

This application discloses an intrinsically safe explosion-proof miniature camera system, belonging to the field of explosion-proof cameras. This system includes a core tube, an intrinsically safe camera, an intrinsically safe light source, mounting components, an intrinsically safe power supply, and an intrinsically safe monitoring platform. The advantages and effects of this invention are: This invention can be used in flammable and explosive environments, with a reliable installation method and an intrinsically safe light source. It can operate normally in dark environments and will not cause an explosion due to the camera's application, greatly reducing economic losses, lowering risks, and ensuring personnel safety during production.

The utility model discloses a kind of circuit breaker overload protection mechanism, it is related to circuit breaker technical field, specifically for the right end fixed connection of bimetallic strip has soft wire, the upper surface fixed connection of soft wire has contact plate, the right upper side of contact plate is installed with center lever, the lower fixed connection of bimetallic strip close to left end has load wire, the left end fixed connection of bimetallic strip has fine adjustment screw block, the lower installation of bimetallic strip right end has Z-shaped metal sheet.The circuit breaker overload protection mechanism is cooperatively arranged by bimetallic strip, Z-shaped metal sheet, resistance and alarm wire, when bimetallic strip is bent due to overload in the process of using in circuit breaker, Z-shaped metal sheet will be touched preferentially, current output is achieved through resistance and alarm wire, by connecting alarm wire into alarm or emergency device, thereby played the role of alarming or enabling protection device before overload tripping occurs.

The utility model relates to the technical field of circuit board processing, in particular to an anti-falling circuit board conveying device. An anti-falling type circuit board conveying device comprises supports, a countertop and the like, the countertop is fixedly connected between the tops of the two supports, an adjusting assembly is arranged on the top of the countertop, a limiting assembly used for limiting a circuit board is arranged on the adjusting assembly, and the adjusting assembly adjusts the limiting assembly. The adjusting assembly is provided with a conveying assembly used for conveying the circuit board. According to the utility model, the square openings of the two conveying belts are used for limiting, so that the circuit board can be effectively prevented from falling off during conveying, damage and economic loss are avoided, subsequent processing is guaranteed, the distance between the two conveying belts can be adjusted by using the bidirectional screw rod, limiting of circuit boards of different models is adapted, flexible conveying is realized, and the efficiency and stability of a processing flow are improved.

This invention relates to the field of aseptic package classification and storage technology, and discloses an intelligent classification and storage device and system, including a main body, a placement mechanism installed on the inner wall of the main body, a wind power mechanism installed at the bottom of the main body, and a monitoring system installed inside the main body. The monitoring system is used to monitor the main body, the placement mechanism, and the wind power mechanism. By incorporating the placement mechanism and the monitoring system, this invention facilitates the monitoring system to drive the placement mechanism to transport aseptic packages nearing their expiration date, thereby avoiding the inability to use aseptic packages nearing their expiration date within the expiration period, thus preventing economic losses. The wind power mechanism and the monitoring system also facilitate the entry of some air into the inner wall of the aseptic package, thus increasing the volume of the aseptic package. The monitoring system determines whether the aseptic package is damaged based on the changes in the real-time three-dimensional data D of the aseptic package.

The invention relates to the technical field of IPTV (Internet Protocol Television) value-added services, in particular to a method for preventing false ordering of an IPTV value-added service, which comprises an operator, an SP (Service Provider), a cashier desk, a payment plug-in, a user data interface and the IPTV, a user browses the value-added service provided by the SP through an IPTV set top box and initiatively initiates an ordering request based on the own demand, and when the SP receives the ordering request of the user, the SP sends the ordering request to the IPTV. A payment plug-in is called, the payment plug-in is a unique cashier entrance, real equipment of a user is recognized through technologies such as equipment fingerprints, the authenticity of a request source is ensured, the payment plug-in carries a cached unique equipment identifier, a background interface of a cashier is accessed, and the background of the cashier executes multiple verifications; according to the method, false violation ordering behaviors are accurately recognized and intercepted in time, violation ordering is blocked before ordering is completed, economic losses of users are avoided, bad debt losses of operators are reduced, the operators can intercept malicious violation ordering in advance, trust of the users to the operators can be increased, and user stickiness can be increased.

The invention relates to the technical field of shuttle vehicle equipment, and discloses shuttle vehicle layer-changing lifting equipment for a three-dimensional warehouse, hydraulic lifting assemblies are fixedly connected to the top and the bottom of a lifting frame, a layer-changing lifting platform is movably connected to the inner position of the lifting frame, and a three-dimensional storage frame is movably connected to one side of the lifting frame; a sliding rail is arranged in the three-dimensional storage frame, an electromagnetic telescopic support is fixedly connected to the surface position of the side, away from the three-dimensional storage frame, of the lifting frame, and safety protection assemblies are fixedly connected to the positions, close to the two sides of the surface of the electromagnetic telescopic support, of the lifting frame. When the layer changing lifting platform drives the shuttle vehicle body to conduct lifting layer changing, through double limitation of the upper hydraulic lifting assembly and the lower hydraulic lifting assembly of the layer changing lifting platform, shaking of the shuttle vehicle body during high-speed lifting (larger than or equal to 1 m / s) is avoided, and therefore the accuracy of track butt joint is improved, the frequency of manual calibration is reduced, and the labor intensity of workers is reduced.

The invention discloses an online regeneration system and method for a tail gas treatment system based on redundant parallel absorption kettles, and belongs to the field of tail gas treatment. The problem that an existing absorption method tail gas treatment system cannot intelligently, safely and efficiently achieve non-stop automatic replacement of absorption liquid is solved. According to the technical scheme, the system comprises an exhaust system, the exhaust system is communicated with a circulating absorption tower through a solid removal filter screen, a plurality of absorption kettles are arranged in the circulating absorption tower and contain various absorption liquids, the types of the absorption liquids contained in at least two absorption kettles are the same, and each absorption kettle is provided with a liquid collection tank and a liquid inlet tank; every two absorption kettles are communicated with each other through a pipeline, a plurality of on-off valves are arranged on the pipelines for communicating every two absorption kettles, the on-off valves are in communication connection with a control system, the control system comprises a control execution module, and the control execution module is electrically connected with an absorption liquid failure judgment module, a circulating absorption control module and a pressure reduction and flow stabilization module; the device is applied to tail gas treatment.

The application discloses a garden engineering full life cycle dynamic simulation and collaborative design method and system based on digital twinning and BIM. The system comprises a data acquisition layer, a unified operation model core engine, a dynamic simulation and safety prediction module, a twinning visualization platform and a real-time early warning execution module. The unified operation model integrates a plant dynamic growth sub-model, a park static environment characteristic sub-model and an external force environment dynamic load sub-model, realizing multi-time scale coupling simulation of plant long-term growth succession and instantaneous external force response. The dynamic simulation module simulates the elastic swing, plastic deformation, branch breakage and overall collapse process of plants under the action of external force (wind, snow), and accurately predicts the damage risk of collapsed plants to road personnel, power lines, buildings, waterways and other infrastructure based on spatial swept volume collision detection and damage criterion. The application realizes the intelligent leap of garden engineering from static display to dynamic prediction, from post-disposal to pre-warning.

The utility model discloses a kind of gas tank container loading and unloading port leak-proof structure, it is related to tank body leak-proof technical field, including tank body and the main frame for fixing tank body, the upper of tank body is provided with manhole, manhole is provided with manhole overflow box, the upper of tank body is close to the side of manhole and is provided with safety valve assembly, safety valve assembly is covered with safety valve overflow box;Two groups of gas phase holes and two groups of liquid phase holes are provided on manhole, two groups of gas phase holes and two groups of liquid phase holes are respectively mounted with valve assembly for controlling material loading and unloading, valve assembly includes check valve and ball valve fixed in series by flange, check valve is located above ball valve, the side surface of check valve is connected with air cock, air cock is connected gas storage tank by gas pipe, pressure reducing valve is connected on gas pipe, for receiving compressed gas from gas storage tank. Ball valve is opened in pneumatic mode, greatly reduce the risk of safety accident, fully comply with the strict safety standards of dangerous goods transport.

The application discloses a machining process dimension chain calculation method based on a dynamic tolerance chart, and relates to the technical fields of mechanical part manufacturing and cutting machining process.The method comprises the following steps: step one, calculating an independent qualified area of a target ring according to initial conditions by an extreme value method; step two, calculating maximum upper deviation and minimum lower deviation of the target ring; step three, calculating dynamic upper deviation and dynamic lower deviation of the target ring; step four, calculating a dynamic qualified area of the target ring; and step five, drawing a dynamic tolerance band chart of the process dimension chain.The application aims to determine a complete qualified range in dimension chain calculation, avoid "misjudgment waste", and save production cost.The application has the beneficial effects that: 1. the qualified range of a part is completely expressed; 2. "misjudgment waste" in production is avoided, so that economic losses are avoided; and 3. the qualified range is expanded, machining difficulty is reduced, and production cost is reduced.

The application discloses a sedimentary reservoir prediction method based on three-dimensional seismic data, which comprises the following steps: step one, feature extraction; step two, feature dynamic fusion; step three, model establishment and training; step four, optimization of storage prediction results; and step five, visualization interaction. The system comprises a data processing module, a feature fusion module, a model training module, a reservoir prediction module and a visualization interaction module. The dynamic weight distribution algorithm is used to fuse multi-dimensional features such as seismic waveforms, frequency spectra and geometric attributes, so that the vertical resolution of thin interbedded layers is significantly improved, the identification difficulty of hidden reservoirs is solved, and the loss risk is reduced. A double-channel neural network model is established to automatically extract seismic features and sedimentary facies knowledge, so that the deviation of artificial feature engineering is avoided, the rapid modeling demand of a complex sedimentary environment is met, and the prediction results are constrained and corrected, so that the continuity of a vertical sedimentary sequence is ensured.

The invention relates to the technical field of pipeline joints, and discloses a high-sealing-performance insulating joint which comprises a connector, a sleeve cylinder, insulating filler and a U-shaped sealing ring, the sleeve cylinder is connected to the outer side of the connector in a sleeving mode, the space between the connector and the sleeve cylinder is filled with the insulating filler, the U-shaped sealing ring is arranged in the connector, a sealing stabilizing assembly is arranged in the connector, and the U-shaped sealing ring is connected with the U-shaped sealing ring in a sleeving mode. The sealing stabilizing assembly comprises an insulating plate which is arranged in the connector. A buffer is installed for a sealing system by sensing the internal pressure of a pipeline and dynamically adjusting the pressing state of the buffer plate set, initial sealing force is provided, meanwhile, the risk that a sealing piece is damaged due to pressure pulsation is reduced, and the sealing reliability of a connector under the complex working condition is fundamentally improved; through the negative pressure detection mechanism, operation and maintenance personnel can find faults in time and arrange maintenance in a planned mode, and economic losses and safety risks caused by leakage accidents and unplanned shutdown are avoided.

The invention discloses a digital currency wallet management method and system, and relates to the technical field of digital currency. The method comprises the steps that a digital currency application program responds to a first wallet query request, and identity information of a user is acquired; initiating a second wallet query request to a digital currency wallet service platform according to the identity information; the digital currency wallet service platform sends an aggregation query request to a plurality of digital currency operation platforms according to the second wallet query request; the digital currency wallet service platform sends query response information to the digital currency application program according to the query result; the digital currency application program displays digital currency wallet information and wallet management prompt information, and the digital currency wallet service platform manages the target digital currency wallet in response to the first wallet management request. According to the embodiment, the wallet query process is simplified, a user can find and process a suspicious wallet conveniently, and user loss is avoided.

The utility model relates to a kind of folding shelves for logistics transportation, belong to folding shelves technical field, including first shelf and second shelf, the inside of first shelf is provided with the dismounting and fixing component for folding dismounting and fixed goods;The dismounting and fixing component includes the first storage board of being set in the inside of first shelf, the inside of second shelf is provided with second storage board, the inside of first shelf and second shelf is fixedly connected with positioning inserting rod, the outer surface of sliding rod is slidably connected with clamping plate, the outside of fixed frame is threadedly connected with threaded fixing rod, the outside of clamping plate is bonded with clamping block.The folding shelves for logistics transportation, by setting dismounting and fixing component, reach the effect of folding dismounting conveniently, so that two clamping plates close each other, and then by two clamping blocks, goods are clamped between them, to stabilize and fix goods, reduce the probability of goods damage, avoid direct economic loss.

This invention discloses a support device for building water supply and drainage pipes, relating to the field of building engineering technology. It includes a base body, with support components fixedly installed on both sides of the upper surface of the base body. The top of each support component is connected to a clamp holding an external pipe. A shock-absorbing component is located at the center of the upper surface of the base body, including an airbag fixedly installed at the center of the base body. This invention, through the design of the connection component, allows water to flow into the pipe when the valve is opened. The water pressure in the pipe forces the piston inside the piston cylinder to move towards the bottom of the piston cylinder, thereby forcing nitrogen gas inside the piston cylinder through a second connecting pipe and a connecting hose into the airbag ring. After the airbag ring inflates, it completely engages with the annular grooves on the inner sides of the first and second fixing rings, tightly abutting against the inner wall of the annular grooves, achieving further sealing and improving the device's sealing performance. This effectively avoids economic losses caused by water leakage at pipe connections.

The utility model provides an exhaust system for a laboratory, which comprises a suction unit, a waste gas treatment unit and a waste gas discharge unit, and the suction unit is used for capturing waste gas; the waste gas treatment unit comprises a dust removal mechanism, a spray tower, a drying tower and a carbon adsorption box which are connected in sequence, and the dust removal mechanism is connected with the suction unit; the waste gas discharge unit is connected with the carbon adsorption box and is used for discharging waste gas to the outside; the suction unit comprises a first pipeline, a second pipeline and a main pipeline, the first pipeline is used for being connected with an exhaust outlet of the synthesis experiment cabinet, the second pipeline is connected with a fixed exhaust hood and a universal exhaust hood which are located above the detection experiment operation table, the air inlet end of the main pipeline is connected with the first pipeline and the second pipeline, and the air outlet end of the main pipeline is connected with the dust removal mechanism. The exhaust system for the laboratory, provided by the utility model, can effectively remove pollutants such as smoke dust, flammable and explosive substances, organic non-methane hydrocarbons and the like in waste gas, so that the possibility of safety accidents is reduced, and the safety of the surrounding environment and personnel is guaranteed.

The invention discloses a microgrid scheduling method and system fused with new energy consumption. The method comprises the following steps: predicting new energy power generation and load power of a microgrid in a rolling manner; performing day-ahead economic dispatching by taking the minimum total operating cost of the micro-grid as a target, and generating a reference charging and discharging plan of the energy storage equipment; periodically executing intra-day rolling scheduling on a scheduling day, tracking and correcting a reference charging and discharging plan deviation based on the updated ultra-short-term prediction data and an actual energy storage state, and refreshing a rolling charging and discharging plan; in the operation process of the dispatching day, second-level real-time control is executed independent of a rolling charging and discharging plan, and energy storage charging and discharging are directly controlled according to the instantaneous power difference value of the new energy and the load so as to respond to second-level power fluctuation. Compared with the prior art, by constructing a scheduling framework of day-ahead economic scheduling, intra-day rolling optimization and independent parallel second-level real-time control coordination, the problems of insufficient consumption and economic loss caused by short-term sudden change of new energy and load are effectively solved.

The embodiment of the present application provides a self-cleaning device and a self-cleaning system. The self-cleaning device comprises a frame mechanism, a composite drill bit mechanism, a power mechanism and a balancing mechanism: the composite drill bit mechanism is located at one end of the frame mechanism; the power mechanism is located at least on both sides of the frame mechanism; the balancing mechanism is located at least at the other end of the frame mechanism; wherein the frame mechanism comprises a fish body, the balancing mechanism comprises a fish tail and a tail fin, the fish tail is located on the side of the fish body away from the composite drill bit mechanism, the tail fin is located on the side of the fish tail away from the fish body, and the composite drill bit mechanism, the frame mechanism and the balancing mechanism are in a streamlined structure. The embodiment of the present application adopts a bionic fish structure, and designs the composite drill bit mechanism, the frame mechanism and the balancing mechanism in a streamlined structure, so that the resistance of the composite drill bit mechanism when encountering fluid is reduced, and the energy consumption of the self-cleaning device when overcoming the resistance is reduced. The nuclear power plant unit does not need to be stopped. The power generation efficiency is improved, and more clean energy can be generated.

The application discloses a steam turbine exhaust steam cooling device and belongs to the technical field of steam turbines. The device solves the problem of poor air cooling effect of the steam turbine exhaust steam, which leads to high exhaust pressure and affects the production efficiency of the device. The steam turbine exhaust steam cooling device comprises a steam turbine, an exhaust steam pipeline, a cooling mechanism, a surface condenser and a condensate tank. The input end of the exhaust steam pipeline is communicated with the steam turbine, and the output end is communicated with the input end of the surface condenser. The output end of the surface condenser is communicated with the condensate tank. The cooling mechanism is arranged on the exhaust steam pipeline and can cool the exhaust steam passing through the exhaust steam pipeline. In use, the cooling mechanism can cool the exhaust steam flowing through the exhaust steam pipeline, the cooled exhaust steam is cooled again in the surface condenser, and the exhaust steam is cooled into condensate water and then enters the condensate tank. The application can cool the exhaust steam, reduce the exhaust steam pressure, avoid the device running at a reduced load, improve the production efficiency of the device and avoid economic losses caused by the device running at a reduced load.