127results about How to "Precision injection" patented technology

The utility model relates to the field of semiconductor processing equipment, and discloses a dispensing device for semiconductor packaging, which comprises a working table, and is characterized in that the front end and the rear end of the upper surface of the working table are respectively provided with a first sliding chute, and a sliding rod is fixedly connected in the first sliding chute at the front end of the upper surface of the working table; according to the dispensing device for semiconductor packaging, compared with most traditional dispensing devices for semiconductor packaging, the first protective shell is arranged on the connecting block, and the supporting block is arranged in the first sliding groove; a user can control the movement of a steel wire rope through a third electric telescopic rod so as to control the angle of a second protective shell relative to a first protective shell, so that the angle of a liquid outlet head arranged in the second protective shell is adjusted, and the trouble that some special positions cannot be aligned during vertical dispensing is reduced; and the device can accurately inject the glue solution to a required position, so that the dispensing efficiency of the device is improved.

The invention discloses a valve drilling and boring device, and relates to the technical field of drilling devices, through use of a protection assembly, a supporting base is included, splashed cooling oil and metal filings can be blocked by the inner wall of a protection shell, and due to the fact that the cooling oil is sprayed to the inner wall of the protection shell and the area of the inner wall of the protection shell is large, the surface area is increased when the cooling oil is spread; the boring frame rotates to drive an oil scraping rod to rotate, the oil scraping rod scrapes the cooling oil and metal filings adhered to the inner wall of the protective shell, the cooling oil and the metal filings fall down from an oil discharging opening, and the effects of accelerating heat dissipation of the cooling oil and accelerating circulation of the cooling oil are achieved; the situation that the temperature of the cooling oil is too high due to the fact that the cooling oil is directly recycled and heat dissipation is difficult in the traditional situation is avoided, the cooling oil is sprayed on the inner wall of the protection shell to increase the heat dissipation area, and the cooling oil is scraped and recycled through the oil scraping rod after heat dissipation, so that it is guaranteed that the cooling oil can be fully dissipated; and the cooling oil is actively scraped and recycled to accelerate the circulation of the cooling oil.

The invention discloses a wafer post-processing device and a post-processing method, and relates to the technical field of semiconductor manufacturing, and the wafer post-processing device comprises a box body; the clamping assembly is arranged in the box body and is used for horizontally clamping and driving the wafer to rotate; the post-processing assembly comprises a spraying head, the spraying head is arranged above the clamping assembly, and the liquid medicine outlet end of the spraying head sprays liquid and / or gas towards the wafer so as to clean the surface of the wafer; the spraying head sprays protective gas towards the wafer so as to form a protective gas curtain above the sprayed liquid medicine, so that mist and particles in the box body are prevented from being in contact with the liquid medicine; the spray header comprises a spray seat, a spray head and a spray head, wherein an accommodating cavity is formed in the spray seat; the core part is arranged in the accommodating cavity; the liquid medicine tube extends downwards through the mounting hole of the core part; a first gap is formed between the liquid medicine tube and the mounting hole, and the protective gas is transmitted downwards through the first gap.

The invention discloses raw cheese fermentation, dehydration and block making integrated equipment, and relates to the technical field of cheese manufacturing, the integrated equipment comprises a pretreatment mechanism, a fermentation mechanism, a dehydration mechanism, a temperature control mechanism and a die cutting mechanism, the pretreatment mechanism is fixedly connected with the fermentation mechanism, and the pretreatment mechanism is communicated with the fermentation mechanism; the dehydration mechanism is fixedly connected with the fermentation mechanism, the dehydration mechanism is communicated with the fermentation mechanism, and the pretreatment mechanism, the fermentation mechanism, the dehydration mechanism and the die cutting mechanism are fixedly connected with the temperature control mechanism; the pretreatment mechanism performs multi-layer filtration on fresh milk and realizes preliminary separation of cream and skimmed milk by utilizing runners and valves of a pretreatment box, a cream box and a skimmed milk box, the dehydration mechanism accelerates dehydration forming through extrusion, inert purging, electromagnetic heating and vibration, and the temperature control mechanism alternately regulates and controls the temperature through a heating box and a cooling box. And the die cutting mechanism realizes accurate cutting and retracting actions of the block cheese.

The invention provides a cleaning and overturning machine, which is used for overturning a to-be-cleaned part fixed on a tray, and comprises a first driving component, a second driving component and a driving component, the first driving part is in driving connection with one of the two transmission parts, so that the two transmission parts rotate around a preset rotating axis under the rotation of the first driving part; the clamping assembly is installed on the bearing component and arranged around the tray, and the clamping assembly is used for being matched with the tray in an abutting mode so that the tray can be clamped on the bearing component; and the cleaning part is arranged on one side of the bearing part and comprises at least one high-pressure spraying part, so that when the bearing part drives the to-be-cleaned part to turn over, the cleaning part sprays high-pressure cleaning liquid to the to-be-cleaned part, and the problem that in the prior art, the cleaning efficiency of the large diesel engine is low is solved.

The embodiment of the invention provides an environment variable configuration method and device, electronic equipment and a storage medium, and belongs to the technical field of cloud computing. The method comprises the steps that under the condition that it is detected that a first resource configuration file is written into a storage of a container hosting platform, the first resource configuration file is intercepted, the first resource configuration file is used for conducting resource configuration updating on the container hosting platform, and the first resource configuration file comprises multiple first environment variables; if a plurality of second environment variables included in a second resource configuration file configured by the container hosting platform are different from the plurality of first environment variables, obtaining target environment variables with differences; copying the target environment variable to obtain a temporary environment variable; and after the first resource configuration file is written into the memory of the container hosting platform, replacing the target environment variable in the first resource configuration file by adopting the temporary environment variable. According to the embodiment of the invention, the problem of environment variable configuration failure can be solved.

The invention relates to a continuous automatic injection device for fishery vaccines, wherein a conveyor belt of a conveying device is connected to the end of an arc-shaped slide groove; an arc-shaped arm of a rotary push device pushes young grass carp that quickly passes on the conveyor belt into a working position of the injection device through the action of a swing arm; an injection rotating bottom plate can be driven by a rotating bottom plate swing cylinder to swing left and right, and when the injection rotating bottom plate is closed, the fish body that slides in can be received, and when the injection rotating bottom plate is opened, the injected young grass carp falls from the opening of the rotating bottom plate to a collecting tank; multiple groups of injection devices are arranged along the length direction of the conveying device; a fish body shape scanning device is arranged at a fish entry position of the conveyor belt of the injection device, and the specification and shape data of the fish body are collected in real time, and the moving distance of the slide table is controlled by a decision system to drive the change of the position of the injection needle; a pressure plate swing cylinder is used to apply pressure to a thin pressure plate to adjust the pressure on the fish body.

The invention belongs to the technical field of fire rescue equipment, and particularly relates to an automatic fire extinguishing device for a fire rescue quadruped robot and a fire extinguishing method of the automatic fire extinguishing device, which are combined with a flexible moving system of the quadruped robot, realize accurate injection and effectively control fire spreading through real-time detection of fire source position information by a visual identification module. Compared with a traditional manual fire extinguishing mode, the device can automatically execute the fire extinguishing task in the dangerous environment, the risk of firefighters is remarkably reduced, and the rescue safety is improved. And quick response to a fire source and efficient fire extinguishing are realized. Through the communication part, communication with an external terminal is kept in real time, an instruction is received, image information collected by the visual identification module is returned, and efficient unmanned fire extinguishing is achieved. The overall structural design is compact, operation is easy and convenient, good environment adaptability is achieved, fire extinguishers of different sizes are supported, efficient operation can be conducted in various complex fire-fighting scenes, and therefore the safety and efficiency of the fire extinguishing task are improved.

The utility model discloses a field pesticide application device with a walking function, which comprises a walking mechanism for realizing walking, the middle part of the walking mechanism is provided with a control center positioned in a control box, the bottom surface of the control box is higher than the bottom surface of the walking mechanism, the control box is provided with a mounting bracket, and the mounting bracket is provided with a handle. Spraying modules which are used for realizing the pesticide spraying equipment and are electrically connected with the control center are arranged on the mounting bracket, and the two spraying modules are oppositely arranged left and right. The spraying angle can be changed through the inclined motor, so that the device is suitable for crops with different heights, and the utilization rate and the economic value of the device are improved; meanwhile, a switching mechanism is arranged, so that the device can rotate within an axial controllable angle, and the whole-crown pesticide application on a tree crown is realized; a fan is arranged to prevent drifting of the liquid medicine and ensure that the liquid medicine can be accurately sprayed to a corresponding position.

The utility model provides side slope concrete spraying equipment which comprises a slope top moving mechanism and a slope bottom moving mechanism which are arranged on the top of a side slope and the bottom of the side slope, a guide mechanism parallel to the side slope is arranged between the slope top moving mechanism and the slope bottom moving mechanism, and a spraying mechanism capable of sliding in the height direction of the side slope is arranged on the guide mechanism. A lifting mechanism connected with the spraying mechanism is arranged on the slope top moving mechanism, a concrete spraying machine is arranged on the slope bottom moving mechanism, and the conveying end of the concrete spraying machine is connected with the spraying mechanism through a telescopic hose. The moving mechanisms are arranged at the top and the bottom of the side slope and matched with the guide mechanism parallel to the side slope, so that the spraying mechanism can stably ascend and descend along the guide mechanism, ecological concrete is accurately sprayed to the side slope, mechanization and continuity of spraying operation are effectively achieved, and the working efficiency is improved. And the phenomena of concrete dispersion and waste caused by long distance and large height in manual operation are avoided, and the spraying uniformity and the construction quality are remarkably improved.

The application discloses a micro-injection device, which comprises a shell and a liquid suction push rod penetrating through the shell, one end of the liquid suction push rod is located outside the shell, the other end is provided with a clamping piece for fixing an injection needle, a liquid suction assembly is further arranged in the shell, the liquid suction assembly comprises a first gear for driving the liquid suction push rod, the first gear is further connected with a zero setting part located outside the shell, a first gear rack is arranged on the rod body of the liquid suction push rod, the first gear rack is connected with the first gear through a first secondary gear meshing with the first gear rack, the zero setting part is a zero setting gear, the zero setting gear is connected with the first gear through a connecting rod, and a rotatable scale disc is arranged on the zero setting gear in a sleeving mode along the circumference of the zero setting gear. The injection needle can be conveniently clamped and fixed, the liquid suction push rod cooperates with the first gear and the zero setting part to realize accurate and quantitative liquid suction and quantitative injection, and the operation is convenient.

The application discloses a micro-fluidic chip reagent injection device, which comprises a liquid storage part with at least one quantitative sealed container, a flexible pressure-bearing membrane arranged on the top of the container body of the quantitative sealed container, a hard flow guide column arranged on the bottom of the container body, and a sealing membrane arranged on the liquid outlet; a liquid inlet part comprising a flow column and a liquid storage pool arranged on the micro-fluidic chip, the inner cavity of the flow column is matched with the outer diameter of the hard flow guide column, a gas guide channel is arranged on the contact surface of the flow column and the hard flow guide column for connecting the inner cavity of the flow column with the external environment, and a puncture part opposite to the sealing membrane is arranged on the flow column; wherein the hard flow guide column has a first plug-in position for making the puncture part puncture the sealing membrane when the hard flow guide column is pressed down. The device has the advantages of simple structure, low cost, convenient use, accurate quantitative injection and biological hazard prevention. The application also discloses a micro-fluidic chip reagent injection method.

The invention discloses an in-situ visual remediation method based on a high-pressure jet grouting agent migration behavior model, which is characterized by comprising the following steps: (1) establishing an agent migration behavior model for in-situ remediation of contaminated site soil based on high-pressure jet grouting, and obtaining a formula of the diffusion radius of a remediation agent; (2) on the basis of the established medicament migration behavior model, carrying out scientific and precise remediation on the polluted soil; and (3) in-situ visual repair based on a high-density resistivity imaging technology.

The present invention provides a microfluidic chip magnetic nanoparticle detection system based on spin exchange relaxation-free. The biomacromolecules to be detected are fixed on the chip substrate by a microfluidic chip device and marked with magnetic nanoparticles. The biomacromolecules to be detected include tumor-associated antigens, tumor-associated glycolipids and glycoproteins, and hormone peptides. The size of the magnetic nanoparticles used is 10nm-10μm. The modification and fixation process of the biomacromolecules can be controlled by a fast dwelling technology. The magnetic nanoparticles in the microfluidic chip are uniformly magnetized by a magnet placement device, and then the microfluidic chip containing the molecules to be detected is mounted on a linear scanning sample stage, and the spatial magnetic field distribution on the surface of the microfluidic chip is obtained by scanning magnetic imaging. The spatial magnetic field distribution is fitted according to the dipole magnetic field distribution, and the number and spatial information of the magnetic particles are obtained by inversion. The detection system has strong specificity and high sensitivity, and the reading results are fast, intuitive, and quantifiable.

The utility model discloses a filling machine which is characterized in that a bottom plate is provided with an outer casing and a pressure tank, the tank wall of the pressure tank is provided with a liquid inlet and an exhaust port, the bottom of the pressure tank is provided with a liquid outlet, the liquid inlet is connected with a liquid inlet pump for conveying liquid, the liquid inlet pump is arranged on the bottom plate, the pressure tank is provided with a pressure transmitter and a liquid level transmitter, and the liquid level transmitter is arranged on the bottom plate. An air inlet is further formed in the upper end of the pressure tank and connected with a positive pressure system, and an exhaust valve connected with the exhaust port through an exhaust pipeline, a liquid drainage valve connected with the liquid outlet through a liquid drainage pipeline and an injection valve connected with the liquid outlet through an injection pipeline are installed on the bottom plate. The housing of the outer housing is provided with a through hole which is convenient for pipelines of the exhaust valve, the liquid discharge valve and the injection valve to extend out of the outer housing and a liquid conveying pipeline connected with the liquid inlet pump to enter the outer housing; an operation control panel is arranged on the outer housing; the perfusion machine can conduct perfusion on a human body specimen in an air pressure mode, more accurate injection can be achieved, and the precision is improved.

The invention provides a safe medicine injection device for children, and relates to the technical field of medical instruments. The handheld frame is of a U-shaped structure, and the handle base is fixedly installed on the upper portion of the middle of the side wall of the outer end of the handheld frame. A control box is fixedly installed on the handheld frame above the handle base, and a storage battery is embedded in an inner cavity of the handle base. The injection sleeve seat is ingeniously combined with the skin attaching plate, so that stable support is provided for the injection tube, and it is ensured that the device can be tightly attached to the skin of the child during use. The arc-shaped design is adopted for the skin attaching plate, the arc-shaped design is matched with the shape of the arm, the gap between the device and the skin is effectively reduced, and the accuracy and safety of injection are improved. Meanwhile, the injection tube is vertically inserted into a combined structure of the sleeve and the guide jacket, so that the stability of the injection tube is enhanced, the push plate is elastically supported through the arrangement of a lower limiting disc, an upper limiting disc, a buffer rod and a spring, and the stability and comfort in the injection process are further improved.

The invention proposes a recognition and positioning method for laser micro-spray injection, which belongs to the field of medical injection technology; the method comprises the following steps: S1: configuring an RGB camera and a depth camera, and calibrating the RGB camera and the depth camera; S2: making the injection object lie on his back and keep the posture unchanged, and the RGB camera and the depth camera obtain the RGB image and the depth image of the face of the injection object; S3: aligning the RGB image to the depth image to obtain an RGB-depth fusion image; S4: performing feature point detection on the RGB-depth fusion image, and further determining each facial area, and obtaining the skin properties of each facial area; S5: performing grid segmentation on each facial area; S6: performing normal micro-spray injection on the segmented facial area grids in turn, and the depth of the micro-spray injection of each grid and the spacing between adjacent micro-spray injection sites are not exactly the same. The skin conditions of different injection objects are analyzed, and the depth and spacing of the micro-spray injection are adjusted.

The invention belongs to the technical field of mechanical engineering, and discloses a protection device suitable for a two-end telescopic rod, which comprises a two-end telescopic rod, and a protection assembly is fixedly mounted on the outer side of the movable end of the two-end telescopic rod; the protection assembly comprises an installation ring fixedly installed at the top of the movable end of the two-end telescopic rod, a telescopic hose is fixedly installed at the top end of the installation ring and connected to the outer side of the movable end of the two-end telescopic rod in a sleeving mode, and a positioning ring is fixedly installed at the bottom end of the telescopic hose. The positioning ring is fixedly installed at the top of the fixed end of the two-end telescopic rod, lubricating oil can be automatically provided for the movable end of the two-end telescopic rod, abrasion between the two-end telescopic rod is reduced, the service life of the two-end telescopic rod is prolonged, abrasion and faults are reduced, accurate injection of the lubricating agent is guaranteed, the problem of excessive or insufficient lubricating agent is avoided, and the service life of the two-end telescopic rod is prolonged. And moreover, backflow of the lubricant is prevented, the lubricant is ensured to always flow towards the required direction, and the lubricating effect is improved.

The utility model discloses a welding tooling applied to dissimilar materials relates to welding technical field, including the carrier plate for bearing copper material and aluminum material, and the carrier plate is provided with the fixture for fixing copper material and aluminum material two position, the welding tooling still includes the water tank of can accommodate carrier plate and make the cooling liquid can immerse the welding area between copper material and aluminum material, and the spray assembly of the fixed or movable mode to the welding area spray cooling liquid is selected. The utility model discloses through setting up the carrier plate of bearing copper material and aluminum material and fixed clamp, can ensure two kinds of to be welded material to keep stable relative position in the welding process, avoid because of the misplacement of welding thermal stress or mechanical disturbance, and the water tank of can accommodate carrier plate and make the cooling liquid immerse the welding area is integrated simultaneously, and the spray assembly of optional fixed or movable mode, make the tooling have the double function of whole immersion cooling and spray cooling.

This utility model discloses an engine cylinder head and its electronic fuel injection system, including a cylinder head body. The cylinder head body has an intake manifold, an exhaust manifold, and a connecting surface for connection and mating with the engine block. The cylinder head body has a fuel jet channel communicating with the intake manifold. A cylinder head fuel jet clearance groove is provided on the inner wall of the intake manifold near the inner end of the fuel jet channel. An intake valve is installed on the cylinder head body, with its valve head installed in an intake valve seat hole. An intake pipe is installed on the cylinder head body on one side of the intake manifold. An injector seat is provided on the intake pipe, and an injector mounting hole communicating with the fuel jet channel is provided on the injector seat. An injector is installed in the injector mounting hole, and the linear distance between the injector nozzle and the center of the valve head is 70mm to 110mm. By precisely defining the position and mating relationship between the components, the overall performance of the engine is maximized.

The utility model relates to tool technical field especially is a kind of tool holder reducing sleeve with two sets of internal cooling channels, including tool holder body, the axial setting of tool holder body has tool mounting hole, first internal cooling channel and second internal cooling channel, first internal cooling channel and second internal cooling channel are located in the circumferential side of tool mounting hole, first internal cooling channel penetrates the front end face and rear end face of tool holder body, the middle part of tool holder body is radially set with the first liquid supply hole that communicates with the rear end of second internal cooling channel, the front end of second internal cooling channel penetrates the front end face of tool holder body.This application has two sets of independent control internal cooling channels, flexible, convenient to use, when using, it can satisfy two different supply cooling liquid mode, to meet the use demand of the utility model application in two different occasions, ensure that cooling liquid can be accurately sprayed on the cutting edge of tool, to ensure that the cooling and chip removal effect of cooling liquid to tool.

The invention provides a driver anti-drowsiness wake-up system based on artificial intelligence, and the system collects the face video of a driver according to the collection frequency, carries out the preliminary recognition of the face video, obtains a face image which may be fatigue driving, achieves the obtaining and preliminary recognition of the face condition of the driver during driving, and improves the driving safety. The method comprises the steps of providing a data basis for recognition of fatigue driving, performing facial expression and facial behavior recognition on a facial image based on artificial intelligence, judging whether a driver is in fatigue driving or not according to a recognition result, performing recognition through artificial intelligence to improve recognition accuracy, and determining a coordinate area of a mouth and nose area of the driver after determining that the driver is in fatigue driving. And the refreshing liquid is sprayed to the coordinate area, so that the operation of accurately spraying the refreshing liquid to the driver is realized, and the driver is effectively awakened.

The utility model relates to a crop seed dryer which comprises a rotary drum, an air injection pipeline, a base, a control panel and a shell, a feeding port and a discharging port are formed in the two ends of the rotary drum respectively, a spiral blade is fixedly installed on the inner wall of the rotary drum, an arc-shaped face arranged on the spiral blade is used for pushing and turning over seeds, and the spiral blade is provided with a feeding shovel at the feeding port. The air injection pipeline arranged below the central axis in the rotary drum can inject hot air downwards to the discharging port, the rotary drum is installed on the base, the control panel is used for controlling hot air parameters and the rotating speed of the rotary drum, and the shell is used for fixedly installing related parts and plays a role in sealing and protection. The crop seed dryer can efficiently dry water in different crop seeds, the drying degree is proper, the seed inactivation rate is low, and the application range is wide.

The utility model relates to the technical field of automatic injection, in particular to a preloaded medicine injection device which comprises a liquid pushing mechanism. The threaded sleeve is arranged in the fixed sleeve in a sleeving manner; the push rod is located in the threaded sleeve; a connecting part is arranged at one end, opposite to the needle inserting direction, of the push rod and is in threaded connection with the interior of the threaded sleeve; the connecting sleeve is connected to one end, facing the needle inserting direction, of the fixed sleeve; a connecting cavity is formed in the end, facing the needle inserting direction, of the connecting sleeve, a rotation stopping hole is formed in one end of the connecting sleeve, and one end of the push rod penetrates through the rotation stopping hole to be located in the connecting cavity. The push rod is in anti-rotation sliding fit with the anti-rotation hole; the liquid pushing motor is located at one end of the threaded sleeve. And the rotation of the rotating shaft and the axis of the push rod are on the same straight line, so that a torsion error possibly caused by a structure in the background technology is avoided, the accurate control of the liquid pushing motor on the push rod is further ensured, and finally accurate liquid injection is realized.

The invention relates to the technical field of fire-fighting equipment, in particular to a pneumatic fire-fighting cannon, comprising a traveling component, a lifting component, a pipe connecting component, a fire-fighting cannon barrel and a connecting component. A conveying bottom wheel is arranged on a supporting bracket of the fire-fighting cannon, and a conveying driving motor drives one of the conveying bottom wheels to rotate. A conveying pressing wheel is rotated at the bottom of a limiting frame. Driven by the conveying driving motor, the conveying bottom wheel is rotated, and the extension length of the combined fire-fighting cannon barrel can be adjusted. By adjusting the extension length of the fire-fighting cannon barrel, the combined fire-fighting cannon barrel used for water spraying in the fire-fighting cannon can pass through the obstacle in front of the fire, and the water spraying port can be delivered to the fire area, so as to ensure that the high-pressure water column sprayed by the fire-fighting cannon can reach the fire area behind the obstacle, so that the fire-fighting cannon can extinguish fires in lanes, building interiors and other areas where it is not easy to spray high-pressure water columns, which is more convenient.

The utility model belongs to the technical field of automobile accessory processing, especially relates to a high-precision boring device for automobile steering rocker arm, including support, top passes through lifting mechanism and connects the bearing plate, is provided with the convex rail with electric cylinder on the bearing plate symmetry, the convex rail is through the linkage sliding plate of sliding block, electric cylinder drives the sliding plate horizontal movement through the driving plate, the sliding plate installs main motor, the motor output shaft drives the rotation shaft through the shaft coupling, the shaft end fixed boring cutter, the support side is provided with the lower storehouse, built -in pullable water connection tank, the upper configuration processing storehouse, bottom is equipped with the water leakage hole, both sides arrange multidimensional mounting hole to be connected with the holding assembly in screw threads, additionally set up independent water supply mechanism, through the suction pipe connection shower nozzle sprays the coolant to the processing area. The utility model with processing storehouse insulates dangerous chippings, with the help of high rigidity structure and controllable cooling, realizes safe, efficient, high-precision steering rocker arm boring processing.

The present invention discloses a corrosion prevention and control device and method for use between cracking gas compressor sections of an ethylene device. The corrosion prevention and control device is specifically a corrosion inhibitor injection device, which includes a corrosion inhibitor storage tank, a pressure pump, a mass flow meter, an electromagnetic control valve, and a corrosion inhibitor injection pipe that are sequentially connected through pipelines, and the corrosion inhibitor injection pipe is installed on the compressor outlet pipeline between the cracking gas compressor of the ethylene device and the compressor outlet heat exchanger. The present invention can alleviate or inhibit the corrosion of steel equipment / pipelines between the cracking gas compressor sections of an ethylene device under multiple media. The core of the present invention is the corrosion inhibitor injection pipe and its nozzle structure and injection method, which enable the corrosion inhibitor to quickly and efficiently perform corrosion inhibition, while avoiding the problem of uneven dispersion of the corrosion inhibitor under high-flux cracking gas and accumulation and erosion of the wall surface that affects safe production. It has the advantages of high efficiency, stability, safety and environmental protection, and greatly improves the long-term safe operation period of the device.