39results about How to "Safe handling" patented technology

The invention relates to a recovery system for copper in tin stripping wastewater by using waste ammonia water and a use method thereof.The recovery system comprises a tin deposition reaction tank, a first filter pressing system, a first-stage copper deposition system, a second-stage copper deposition system and an ammonium nitrate storage tank, the whole system introduces a waste ammonia water storage tank and a connecting pipeline thereof, the collected waste ammonia water is used as a raw material, and the waste ammonia water is recycled. According to the invention, the copper-containing sludge is used as a raw material and participates in the first-stage copper deposition step of the tin-stripping wastewater process, the original industrial ammonia water is replaced as the raw material, the ammonia consumption during the production of the copper-containing sludge can be greatly reduced, the copper deposition effect and the back-end production are not influenced, the use demand of the industrial ammonia water can be reduced, and the production cost can also be reduced.

The invention provides an alpha, beta unsubstituted 1, 4-ketoaldehyde compound and a metal-free photocatalytic aqueous solution acetaldehyde alpha-position selective single alkylation reaction preparation method and application thereof, a photosensitizer and alpha bromine / chloro aryl ethyl ketone are mixed in an organic solvent, then TEEDA, nBu4NI and an acetaldehyde aqueous solution are sequentially added, white light irradiation stirring reaction, separation and purification are performed, and the alpha, beta unsubstituted 1, 4-ketoaldehyde compound is obtained. Compared with the prior art, the method has the advantages that by improving the light source, the reaction can be amplified to the gram scale level, the yield of the corresponding alpha and beta unsubstituted 1, 4-ketoaldehyde product is not obviously reduced, and a basis is provided for the industrialization process of the reaction. The reaction disclosed by the invention has the characteristics of wide substrate range, high functional group tolerance, simplicity in operation, mild reaction conditions and the like. Moreover, the product disclosed by the invention can be subjected to reductive amination with cyclic secondary amine to obtain a series of gamma-aminoketones with biological activity, which shows that the reaction has potential synthesis application value in the field of pharmaceuticals.

The utility model discloses a fixing device for processing a high-toughness communication optical cable, which comprises a supporting mechanism and a fixing mechanism arranged at the top of the supporting mechanism, the supporting mechanism comprises a top frame, the fixing mechanism comprises a mounting seat, and the center of the top of the mounting seat is in sliding connection with a limiting rod. The equipment has the advantages of stable clamping and convenient adjustment, and solves the problems that the fixing effect of part of fixing devices on optical cables is not ideal, adjustment cannot be carried out according to optical cables of different specifications, the optical cables which cannot be effectively fixed are prone to displacement or looseness under external environment changes (such as temperature, wind load and vibration), and the optical cables cannot be effectively fixed. In the prior art, faults such as micro-bending loss increase and connection point loosening may be generated, the overall reliability and the service life of an optical cable line are reduced, the whole fixing device may need to be replaced when optical cables of different sizes are replaced or maintained by a fixing device lacking of adjustability, and the engineering cost and complexity are increased.

The invention discloses a water-based conductive binder for a lithium ion battery. The conductive binder is an in-situ reaction compound of an emulsion polymer and a conductive material, the conductive ink comprises the following components in parts by weight: 1-10 parts of a surfactant, 5-40 parts of acrylic acid and salts thereof, 5-40 parts of acrylate and derivatives thereof, 0.1-2 parts of an initiator, 1-15 parts of a modified conductive agent, 0.5-5 parts of a conductive polymer, 2-15 parts of a functional enhancer, 1-5 parts of an environment-friendly additive and 50-200 parts of deionized water. According to the invention, the modified conductive carbon black, the modified carbon nanotube and the modified graphene are selected as conductive agents and are combined with the conductive polymer, so that a stable three-dimensional conductive network is formed in the binder, the conductivity of the binder is remarkably improved, and the network structure is beneficial to reducing the interface resistance and improving the rate capability and the energy density of the battery.

The utility model discloses a flue gas treatment system which comprises a spray tower provided with a spray cavity, a spray cooling device arranged in the spray cavity and used for cooling flue gas to be treated, and a cooling bin of which one side is communicated with equipment to be treated to receive the flue gas to be treated and the other side is communicated with a spray tower main body to introduce the flue gas to be treated into the spray tower, an adjusting assembly, a gas detection assembly and a control module are arranged in the cooling bin, and the adjusting assembly and the gas detection assembly are electrically connected with the control module; the gas detection assembly can detect smoke, and the control module controls the adjusting assembly to adjust the cooling condition in the bin. A spray tower and a cooling bin which are connected with each other are arranged, a spray cooling device, an adjusting assembly and a gas detection assembly are arranged, the adjusting assembly and the gas detection assembly are connected with a control module, and the gas detection assembly detects flue gas and controls the adjusting assembly to adjust cooling conditions by means of the control module. The flue gas can be safely and efficiently treated.

This invention provides an organic substrate preparation device and method suitable for rose cultivation, relating to the field of organic substrate preparation technology. The device includes a telescopic mechanism comprising a bidirectional mechanism and a driving mechanism. The telescopic mechanism provides not only circumferential stirring torque but also vertical mixing torque, thus ensuring thorough mixing of the organic matter in multiple directions. The bidirectional mechanism generates irregular vertical movement in response to circumferential stirring, further enhancing the vertical mixing of the organic matter and achieving multi-dimensional composite stirring. This significantly improves mixing uniformity and fermentation efficiency. The invention utilizes a unique spatial linkage (side rod, inner / outer ball sleeve) and flexible transmission (unidirectional mechanism) design to intelligently decompose the unidirectional rotation of the driving shaft into a superposition of circumferential revolution and axial reciprocating motion of the stirring components (upper / lower stirring sleeves).

The invention relates to a data desensitization method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of data processing. The data desensitization method specifically comprises the following steps: carrying out slot division processing on to-be-desensitized data according to a rule that the data length meets an incremental rule to obtain at least one group of slot division data; determining a corresponding initial desensitization rule according to the data length of the sub-slot data, desensitizing the sub-slot data according to the initial desensitization rule to obtain desensitization data of each group of sub-slot data, and connecting the desensitization data of each group of sub-slot data in series to obtain first desensitization data; a pre-trained clustering model is adopted to determine a data label of each group of slotted data, wherein the data labels comprise a first label representing a large amount of data and a second label representing a small amount of data; and determining a secondary desensitization rule based on the distribution condition of the data labels of all the slotted data, and processing the first desensitization data and the to-be-classified data according to the secondary desensitization rule to obtain second desensitization data.

The application discloses a device for removing accumulated dust in a dust hopper and a use method thereof, which comprises a dust discharging pipeline, one end of the dust discharging pipeline being communicated with a dust discharging hole located on the side of the dust hopper; an ellipsoidal cavity, one end of the ellipsoidal cavity being communicated with the other end of the dust discharging pipeline; two communicating pipes, the two communicating pipes being located on the same circumferential surface of the inner wall of the ellipsoidal cavity; a circular table type base, the outer circumferential surface of the circular table type base being fixed between the two communicating pipes; an upper valve, the upper valve being arranged on the upper surface of the circular table type base; a lower valve, the lower valve being arranged on the lower surface of the circular table type base; an upper air bag, the upper air bag being fixed with the edge of the upper surface of the circular table type base; a lower air bag, the lower air bag being fixed with the edge of the lower surface of the circular table type base; and a dust collecting cavity, one end of the dust collecting cavity being open and being detachably connected with the other end of the ellipsoidal cavity. The application has the beneficial effect that the ellipsoidal cavity and the upper and lower air bags are matched to realize the shunting and speed reduction of the accumulated dust.

The invention relates to a sensor device (100) having a sensor element (10), a processing unit (20) and a communication interface (30), the processing unit (20) being designed to receive a desired sampling frequency (fa) and a desired measurement duration (Tm) via the communication interface (30), and determining a necessary time interval ([delta] T) between the two successive measurements as a function of the desired sampling frequency (fa) and the desired measurement duration (Tm), and sampling a measurement signal (12) of the sensor element (10) as a function of the necessary time interval ([delta] T) between the two successive measurements. The invention further relates to a method for operating a sensor device, in particular a sensor device (100) according to the invention.

The invention provides an alarm method and device, a server, a storage medium and a program product. The method is applied to a server, the server is in communication connection with at least two radars, and the method comprises the following steps: receiving detection results sent by the at least two radars; when the first target signal exists in the target signals, alarm information is generated based on the first target signal, and the alarm information is sent to the user terminal; wherein the first target signal is used for indicating that human body movement exists in an area where the server is located. According to the method, safety monitoring is performed on the area where the server is located through the radar, the detection result is converted, and when human body movement is detected, the alarm information is generated and sent to the user terminal, so that a management user can perform information safety processing on the server and the area where the server is located according to the alarm information, the safety risk of the server is reduced, and the user experience is improved. And the data security of the server is improved.

The utility model relates to a tail thread cutter, in particular to an adjustable telescopic tail thread cutter. Comprising a shell with a knife outlet formed in the bottom, a screw knob is installed on the top of the shell in a threaded mode, and a screw of the screw knob extends into the shell; a tail thread cutter is arranged at the bottom of a screw of the screw knob, and a cutter point of the tail thread cutter extends out of the shell from the cutter outlet; a sleeve rod fixedly sleeves the tail filament cutter, a sleeve is arranged at the bottom of the sleeve rod, and an upper limiting block and a lower limiting block are arranged at the top and the bottom of the sleeve respectively; the sleeve is sleeved with a fixing block located between the upper limiting block and the lower limiting block, and the fixing block is connected with the inner wall of the shell. Through the arrangement of the screw knob, an operator can conveniently adjust the length of the part, extending out of the shell, of the tool nose of the tail wire tool according to the use requirement, high-precision cutting and trimming can be conveniently achieved, and hidden dangers of electrical short circuit and signal interference can be eliminated.

The application discloses a kind of self-adapting air pressure balance sliding door control systems, it is related to sliding door control technical field.The sensor layer, PID control module, execution layer and prediction maintenance module are included;Sensor layer gathers pressure difference, sealed pressure, vibration, door position, temperature and humidity and other data, PID control module uses the improved algorithm with nonlinear correction and output amplitude limiting, the pressure difference is stabilized at 2Pa target value, simultaneously through closed loop PID, hydraulic sealed pressure is stabilized at 1.0MPa, and anti-integral saturation and output amplitude limiting are configured to ensure operation safety;Execution layer includes servo motor drive sliding door, hydraulic sealing system, emergency pressure relief valve and audible and visual alarm device;Prediction maintenance module is based on random forest regression model, according to the characteristics such as sealed pressure drop rate, valve response time, motor current variance, vibration level, operation frequency, remaining service life is predicted, and maintenance suggestion is output according to critical, early warning, normal classification.

The invention discloses an AI photographing and block chain-based waste gas bottle defunctionalization control method, and belongs to the technical field of liquefied petroleum gas bottle tracing. The method comprises the following steps that S1, a filling unit shoots three-dimensional image information of a codeless gas cylinder through a mobile phone end, and recognizes a steel seal code of the gas cylinder; s2, according to the unique identity authentication information and the identified steel seal code of the gas cylinder, the filling unit downloads gas cylinder archive information associated with the steel seal code from the block chain to the use platform; and S3, the filling unit carries out blockchain uploading operation according to the identity authority of the filling unit, and the gas cylinder sending process is completed. According to the AI photographing and block chain-based waste gas bottle defunctionalization control method provided by the invention, through AI photographing and block chain technologies, defunctionalization of a code-free waste gas bottle is realized, uplink data is stored, encryption and decryption of identity information and data of the gas bottle are realized, and decentralization application and non-tampering of the data are ensured.

The present technology relates to a process for the synthesis of a lithium single ion monomer comprising simultaneously reacting a sulfonyl chloride compound with i) a fluorinated sulfonamide compound and ii) a compound suitable to act as a quenching base and a source of lithium cations. The simultaneous reaction of sulfonyl chloride with a fluorinated sulfonamide compound and a compound suitable to act as a quenching base and a source of lithium cations produces a single ion monomer.

The invention discloses an acupuncture robot capable of stopping bleeding, and relates to the technical field of acupuncture robots, the acupuncture robot comprises a robot main body, the outer surface of the robot main body is fixedly connected with a protection cover, the bottom of the protection cover is provided with a square hole I and a square hole II, and the outer wall of the protection cover is fixedly connected with a servo motor; a hemostasis plate is arranged in the protection cover, and a telescopic grabbing device is installed in the robot body. A blood leakage detector on a telescopic grabbing device in the robot body detects bleeding of an acupuncture wound, so that a servo motor is started, a first gear drives a sliding frame and a hemostasis plate to move through an output shaft of the servo motor, and a guide groove is matched with the limiting effect of the guide groove on a guide column; the hemostasis plate and the absorption plate at the bottom penetrate through the first square hole to move to the surface of the acupuncture wound, the hemostasis plate exerts downward pressure on the surface of the acupuncture wound, and through pressing, flowing-out blood can be rapidly absorbed, bleeding can be controlled, and harm caused by bleeding can be relieved.

The invention provides a charging pile data processing system and method, and the system comprises M charging piles, the M charging piles are divided into N different regions according to the positions of the M charging piles, M and N are integers, and N is greater than or equal to M and greater than 1; the N edge data centers are configured in the N areas in a one-to-one correspondence mode, and all the charging piles in each area are in communication connection with the edge data center corresponding to the area; the N edge data centers are in communication connection with the cloud data center, each charging pile sends charging pile data of the charging pile to the edge data center in communication connection with the charging pile, and each edge data center processes and analyzes the received charging pile data and sends the processed charging pile data to the cloud data center; and an analysis result is sent to the cloud data center. According to the invention, the data of the charging pile can be rapidly, reliably, safely and flexibly processed, and the bandwidth resource demand is low.

The utility model discloses a collection, transportation and temporary storage device, which relates to the technical field of safety treatment of hazardous wastes and comprises a primary box, four secondary boxes, a containing box, a fixing mechanism, a sliding mechanism and a ventilating duct, a detector is arranged in the primary box, the four secondary boxes are arranged in the primary box, and moving devices are mounted on the primary box and the secondary boxes. The child box is fixedly connected with the mother box through a fixing mechanism, a selectively-sealed ventilation pipeline is arranged on the upper portion of the interior of the mother box, by arranging the mother box and the child box structure, the child box and the mother box move relatively through a sliding rail and a rail, and after the child box is placed on the mother box through the sliding rail, the child box and the mother box can be fixed through a fixing rod; the sub-box is used for loading the hazardous waste, the main box is used for collecting and transporting the sub-box and detecting the sub-box, the sub-box and the main box can move and transport relatively, workers can conveniently treat the hazardous waste, and reasonable treatment and transportation of the hazardous waste are completed.

To mitigate the risk of increasing the proportion of recycled raw materials in the main metal component. In a flash smelting furnace in which the high-temperature melt generated by reacting raw materials with oxygen in the reaction tower (2) is separated on the hearth of the settling tank (3) into a matte layer (3a) containing a sulfide of a given metal, i.e., matte, and a slag layer (3b) existing on the matte layer, the furnace is equipped with: a given ramp region (S2) provided on the hearth (S) to guide the molten metal of the given metal, which remains in the lower part of the matte layer without sulfidation, toward one side of the furnace wall (3W) of the settling tank; and metal discharge ports (Hc, Hc) formed on the furnace wall to extract the molten metal accumulated at the bottom of the ramp region out of the furnace.

The application discloses a beverage high-temperature sterilization and cooling system, and relates to the technical field of product sterilization. The beverage high-temperature sterilization and cooling system comprises a liquid beverage conveying line and a bottled beverage conveying line, the liquid beverage conveying line and the bottled beverage conveying line are connected through a liquid bottling assembly, a pre-warming heat exchanger and a high-temperature heat exchanger are sequentially arranged on the liquid beverage conveying line along a liquid flow direction, a plurality of cooling assemblies are arranged on the bottled beverage conveying line, the plurality of cooling assemblies are connected with the pre-warming heat exchanger through circulating pipes, and the pre-warming heat exchanger, the high-temperature heat exchanger and the plurality of cooling assemblies are all signal-connected with a controller. The beverage high-temperature sterilization and cooling system solves the technical problem that the existing beverage sterilization has high energy consumption and cannot be effectively utilized, and achieves the technical effect of reducing production cost and energy consumption.

The utility model discloses a quick opening and closing carrier device, which belongs to the technical field of carrier devices, and comprises a frame body, a carrying mechanism, a clamping mechanism and a rotating station mechanism, the frame body is fixedly connected with the carrying mechanism, the clamping mechanism is fixedly connected with the frame body, the carrying mechanism is fixedly connected with the rotating station mechanism, and the rotating station mechanism is fixedly connected with the clamping mechanism. The rotating station mechanism is in fastening connection with the frame body, the upper object carrying frame is in fastening connection with the lower object carrying frame, the lower object carrying frame is in fastening connection with the rotating station mechanism, the object carrying mechanism provides stability in the transferring process, meanwhile, rapid opening and closing actions can be achieved, and therefore the operation efficiency and the processing speed are improved; the clamping mechanism achieves stable clamping and accurate positioning of objects, the rotating station mechanism is used for meeting different machining process requirements, and the flexibility is improved.

The utility model discloses a degrading agent treatment device for environmental pollution treatment, including jar body and mounting panel, the jar body is installed on the surface of mounting panel, the surface of mounting panel is equipped with the gas cooperation subassembly for filling gas in jar body inside, the outside of jar body is equipped with the power component for providing power, one end of power component extends to the inside of jar body, the inside of jar body is equipped with the blowing assembly for spraying gas in pipe, the utility model cooperates gas cooperation subassembly and blowing assembly and power component, realizes the double promotion of efficiency and safety, adopts "static mixing and dynamic stirring" compound mode, greatly promotes the reaction efficiency, steam and nitrogen gas cooperate heat supply and create inert environment, avoid oxidation, and intelligent system accurate control reaction parameter, and prevent pressure imbalance, provide efficient, stable, safe solution for the complex environmental pollution treatment scheme.

The invention provides a vehicle diagnosis task processing method, a vehicle and a storage medium. The method comprises the steps that a remote diagnosis task of a target vehicle is acquired, and the remote diagnosis task is used for carrying out fault diagnosis on the target vehicle; performing type judgment on the remote diagnosis task in response to the situation that a diagnosis enable switch of the target vehicle is in a set state to obtain task type information; and performing scheduling processing on the remote diagnosis task based on the task type information to obtain a target processing result. The vehicle diagnosis task processing method and device solve the technical problems that a vehicle diagnosis task processing method provided in the related technology is low in safety and poor in reliability.

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 invention discloses a mobile platform emergency remote control system based on an environment monitoring video, which belongs to the technical field of automation and computers and comprises a remote control server, a mobile platform, a remote control terminal and a monitoring platform. The remote control server comprises a data interaction and video transmission module. The mobile platform comprises a sensing module, a positioning module, a communication module, a control module and a task module. The remote control terminal comprises a communication module, a state monitoring module and a remote control module. The monitoring platform comprises a monitoring platform server and a plurality of monitoring cameras. And when the camera of the mobile platform is invalid, the remote control terminal obtains the video of the monitoring camera near the platform from the monitoring server, so that the operator can continue to complete the remote control task. According to the invention, an emergency solution assisted by a monitoring system is provided for remote control of the mobile platform, the adaptive capacity of the unmanned mobile platform is improved, the operation continuity is guaranteed, and the operation risk of the mobile platform is reduced.

The application relates to a power system micro-service message asynchronous processing method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: performing encryption processing on a to-be-processed message sent to a second micro-service of the power system to obtain an encrypted message; performing segmentation processing on the encrypted message to obtain a plurality of message blocks of the encrypted message; performing hash operation processing on each message block to obtain a hash value of each message block; performing splicing processing on the hash value of each message block to obtain a spliced hash value; performing rehash operation processing on the spliced hash value to obtain a root hash value of the encrypted message; performing signature processing on the root hash value through a private key of the first micro-service to obtain a digital signature of the encrypted message; and sending the encrypted message and the digital signature to a message middleware. The method can improve the security of micro-service message asynchronous processing.

The invention discloses a recoverable garbage identifying and sorting system based on an RTMDet algorithm and a method for identifying performance of the recoverable garbage identifying and sorting system. Belongs to the technical field of robots, machine vision and artificial intelligence. Sorting out the data and making label data; expanding training data, and designing a data enhancement algorithm to improve the algorithm image recognition capability; identifying the category of the recyclable object by using a rotation detection algorithm; calculating the similarity between adjacent frames; and detected object information is sent to the industrial robot, and the clamping jaw is guided to grab the object. The problem of uneven light distribution in an actual scene is solved by using a random cutting algorithm, a brightness adjustment algorithm and a histogram equalization algorithm, recognition and detection of recyclable garbage are achieved, information such as the rotation angle and the pose of a detected object is obtained and sent to the industrial robot, and grabbing of the recyclable object is completed.

The invention discloses an intelligent test and report automatic generation device in the field of new energy power generation, and relates to the field of intelligent test, data acquisition and storage, data intelligent analysis, report automatic generation and automatic printing of required formats in the field of new energy power generation. The intelligent central processing unit is respectively connected with the man-machine interaction interface, the data storage module, the signal acquisition and processing module, the output instruction control module, the report printing unit and the power supply module through a plurality of communication interfaces, and the signal acquisition and processing module is connected with one or more sensors. The output instruction control module is connected with one or more switching value signal modules. The device and the method thereof can efficiently, accurately and safely provide intelligent testing and accurate data reports for the new energy power generation industry, rapid and safe processing and report automatic generation of a large amount of data in the new energy power generation field are achieved through an intelligent analysis technology, and safe development of the new energy power generation field is further promoted.

The invention discloses a data processing method and device based on privacy protection, equipment and a storage medium, and relates to the technical field of data processing. Comprising the steps that based on a data processing task, a data processing request sent by terminal equipment is received, the data processing request is analyzed, a data processing command is determined, and the data processing command comprises processing data information of privacy processing equipment and privacy processing rules; in response to the data processing command, the privacy processing device performs privacy processing according to a preset privacy processing rule; and processing to obtain the target data information conforming to the security level for realizing privacy protection of the target data information. According to the method, related data processing can be efficiently and safely completed, leakage of privacy information of the user is effectively prevented, and therefore the privacy security of the user is guaranteed.

The invention belongs to the field of chemical engineering, and particularly relates to a preparation method of sodium adipate. Comprising the following steps: (1) adding a proper amount of sodium hydroxide into the ammonium adipate formation waste liquid, stirring at 25 + / -5 DEG C, and fully reacting until trivalent aluminum ions are converted into aluminum hydroxide precipitates; (2) drying and calcining aluminum hydroxide precipitate obtained by filtering the material obtained in the step (1) to obtain alumina powder; (3) filtering the filtrate obtained in the step (2) through a nanofiltration membrane to remove chloride ions; (4) heating and evaporating the filtrate obtained in the step (3), condensing steam to obtain ammonia water, and taking the residual filtrate as a sodium adipate solution; and (5) drying the sodium adipate solution obtained in the step (4) to obtain a sodium adipate solid. The invention provides the method for preparing sodium adipate by using the ammonium adipate formation waste liquid for the electrolytic capacitor low-voltage formation industry, aluminum hydroxide, aluminum oxide and ammonia water products are obtained at the same time, and the method is simple, feasible, safe, environment-friendly, low in cost and remarkable in social and economic benefits.

The invention relates to a conventional liquid propellant treatment system and method, in particular to a closed pipeline conventional liquid propellant treatment system and method, and aims to solve the technical problem that in the prior art, liquid rocket propellants in a complex closed pipeline with a long and thin pipe and a blind cavity cannot be thoroughly treated. The system comprises a pressurization blowdown system which comprises a pressurization air source, a pressurization pipeline with one end connected with the pressurization air source and a first replacement isolation valve connected to the pressurization pipeline; the vacuum suction system comprises a buffer tank, a vacuum pump and a vacuum gauge, an inlet of the vacuum pump is connected with the buffer tank through a vacuum pump isolating valve, and the vacuum gauge is connected with the buffer tank through a vacuum gauge isolating valve; a vacuumizing isolation valve, a second replacement isolation valve and a buffer tank blow-down valve are further arranged on the buffer tank; an inlet of the neutralization treatment device is used for being connected with a discharge isolation valve or being simultaneously connected with an outlet of the vacuum pump and a blow-down valve of the buffer tank, and an outlet of the neutralization treatment device is used for being in butt joint with an exhaust port of a plant through a pipeline or led outdoors.