132 results about "Airlock" patented technology

The utility model discloses a clean room airtight window which comprises a wall body, an inner hole is formed in the inner wall of the wall body, two symmetrically-distributed open holes are formed in the inner wall of the inner hole, the inner wall of the wall body is fixedly connected with a servo motor, the outer wall of the wall body is fixedly connected with a switch, the output end of the servo motor is fixedly connected with a rotary drum, and the output end of the rotary drum is fixedly connected with a motor. A placement groove is formed in the outer wall of the rotary drum, a sliding groove is formed in the outer wall of the placement groove, a cover plate is slidably connected to the inner wall of the sliding groove, and an inner groove is formed in the top end of the inner hole; the brush is used for sweeping dust on the surface of the rotary drum, the discharge holes are attached to the surface of the rotary drum, so that disinfectant can make contact with the surface of the rotary drum to disinfect the surface of the rotary drum, meanwhile, the ultraviolet lamp is used for further disinfecting the surface of the rotary drum, and the sponge is used for absorbing the disinfectant on the surface of the rotary drum to keep the surface of the rotary drum dry. The disinfection and dust removal effects are realized.

A centrifugal separator system separates particulate matter from an air stream produced by an industrial shredding machine. The system includes a housing having a cylindrical conical shape defining an interior chamber. An inlet positioned tangentially near the top of the housing introduces an air and particle mixture to create a vortex flow that centrifugally displaces heavier particles where they slide downward to discharge aperture. Clean air reverses direction and exits upward through a central top outlet connected to a HEPA filter for removing residual dust. A first silo directs is used to decelerate separated particles which are directed through a rotary valve providing an airlock to maintain pressures for optimizing centrifugal separation of particles. A second silo receives a bag holder for ease of securing a collection bag. The system provides efficient separation of particles with minimal maintenance and allows continuous operation.

The utility model discloses a novel mechanical snap ring type air door interlocking device which comprises a first air door, a second air door, connecting baffles and an air door interlocking mechanism, and the connecting baffles are installed on the first air door and the second air door respectively. Door frames of the first air door and the second air door are each provided with one air door interlocking mechanism, and the air door interlocking mechanism at the position of the first air door is connected with the second air door through an interlocking rope and a telescopic spring; and the air door interlocking mechanism at the second air door is connected with the first air door through another interlocking rope and a telescopic spring. When one air door is opened, the other air door is completely in a locked state and cannot be opened, so that the air flow of a roadway is isolated or the air quantity passing through the roadway is limited.

The utility model discloses a tray supply mechanism, which is characterized in that a tray box is hermetically connected to a coded disc box, an accommodating cavity is arranged in the tray box, the tray box is provided with a channel communicated with the accommodating cavity and an inner cavity of the coded disc box, the tray box is provided with an air gate assembly for opening and closing the channel, and the side end of the tray box is provided with a material supplementing opening and a bin gate which can be opened and hermetically covered on the material supplementing opening; the tray rack is arranged in the accommodating cavity, and a tray is placed on the tray rack; the lifting assembly is used for driving the tray rack to vertically lift; and the push-out assembly is used for pushing out the push tray at the uppermost end of the current tray rack towards the channel, the trays on the tray rack are supplied into the tray stacking box one by one through cooperation of the lifting assembly and the push-out assembly, and then automatic supply of the trays is achieved.

The utility model provides an air brake interlocking device with a timing function, which relates to the technical field of waste gas treatment systems and comprises a base and two valves, each valve comprises a brake bar, a shell is arranged on the base, two timers are arranged on the outer side of the shell, two flow guide coils are arranged in the shell, one flow guide coil is arranged close to one side of the shell, and the other flow guide coil is arranged close to the other side of the shell. The timer is used for displaying and recording interlocking actions, after the diversion coils are in contact with the metal rod, the contact is in contact with the switch, when the threaded sleeve rotates to drive the interlocking plate to slide, the interlocking plate drives the metal rod to slide and be inserted into the diversion coils, and induced current is generated. Induced current passes through the current sensor, the comparator and the trigger pin, and records are displayed on the timer.

The utility model relates to the technical field of oil extraction, in particular to an efficient temporary plugging anti-overflow device. Comprising an upper connector, the upper connector is fixedly and hermetically connected with a valve connector, the lower end of the valve connector is fixedly and hermetically connected with a filter pipe and an outer cylinder, the filter pipe is located on the inner side of the outer cylinder, the valve connector is provided with an air hole communicated with an annular cavity between the outer cylinder and the filter pipe, and a check valve is installed in the air hole; the lower end of the filter pipe is fixedly and hermetically connected with a lower pipe located inside the outer cylinder, the lower end of the lower pipe is blocked and fixedly connected with the lower end of the outer cylinder through a lower connector, and a temporary blocking plate is detachably, fixedly and hermetically connected into the lower connector. Through soluble temporary plugging, multi-stage filtering, gas-liquid separation and modular sealing design, the device has the core advantages of efficient overflow prevention, rapid production, airlock prevention, low maintenance cost and the like, has both environmental protection property and economical efficiency, and is suitable for oil well operation under complex working conditions.

A device for inserting a sample into a sealed enclosure includes: a sample carrier for holding the sample; an insertion rod including an elongate portion for bearing the sample carrier; a transfer airlock including an outer door to close in a watertight manner and to open onto an environment outside the sealed enclosure, an inner door to close in a watertight manner and to open onto the inside of the sealed enclosure, and a sealed chamber defined between the outer door and the inner door when they are in the sealed configuration, the sealed chamber being able to accommodate the sample carrier inserted by the insertion rod; and a system for purifying the contained fluid medium, the sample carrier, and the sample which are accommodated in the sealed chamber.

1. The name of the design product: air landing gate (crevice gate). 2. The use of the design product: the design product is used for the gate of the access place of the community, parking lot, etc. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective drawing.

The invention relates to the technical field of solid waste resourceful treatment and industrial automation control, and discloses a cracking production line intelligent control method and device.According to the cracking production line intelligent control method, a virtual accumulated energy index is calculated by collecting operation parameters of a feeding and discharging unit, and accordingly whether a conveying pipe section has a soft blockage trend or not is judged; after it is confirmed that the blocking trend exists, the material level of the colloidal particle buffering bin is detected to verify the material sealing safety; and when the safety condition is met, gas machine cooperative control is triggered, the feeding star-shaped discharger is driven to execute S-shaped pulse airlock action, and meanwhile, the raw material feeding auger is controlled to execute trapezoidal wave frequency sweeping conveying action until the virtual accumulated energy index is recovered. The blockage risk is pre-judged in advance through energy monitoring, efficient dredging is achieved through frequency conversion vibration and pulse control on the premise that reaction airtight safety is guaranteed, non-planned shutdown is effectively avoided, and the operation stability of a production line is improved.

The utility model discloses a pressure shell air cylinder with stroke feedback, the pressure shell air cylinder comprises an outer shell, a guide rod and a piston arranged at the rear end of the guide rod, the piston divides the outer shell into a rod cavity and a rodless cavity, a rear end cover is arranged at the rear end of the outer shell, an air inlet is arranged on the rear end cover, a magnetic ring is arranged at the tail end of the guide rod, and the magnetic ring is arranged on the guide rod. A magnetic ring matched with the displacement sensor is mounted on the rear end cover; the two-position five-way valve is communicated with the air inlet through an air path, the two-position five-way valve is further connected with a pilot electromagnetic valve, an air lock valve and a mechanical control valve through the air path, and the pilot electromagnetic valve is communicated with the air inlet; the shell is further provided with an air guide rod, and the air guide rod is communicated with the air lock valve and the rod cavity through an air path. The shell pressing air cylinder overcomes the defects in the prior art, the stroke of the shell pressing air cylinder is controllable, and the stroke of the air cylinder can be adjusted according to the electrolyte liquid level of an electrolytic cell.

This invention discloses an integrated intelligent device and control method for oil and gas negative pressure suction and booster mixed transportation, relating to the field of oil and gas field development booster technology. It includes a heating unit and a pumping unit connected sequentially from the direction of produced fluid transportation. The pumping unit includes two booster pump sets connected to the oil outlet pipeline of the heating unit. The two booster pump sets are connected in parallel and alternately suction and transport the produced fluid in the oil outlet pipeline. The heating unit's pretreatment method, which reduces the viscosity of the produced fluid and improves its fluidity, creates favorable conditions for subsequent pumping. The operation mode of two sets of booster pump sets connected in parallel and alternately suctioning can form a continuous and stable negative pressure in the oil outlet pipeline, effectively avoiding fatigue overload and airlock phenomena caused by continuous operation of a single pump set. This ensures that high-viscosity or gas-containing produced fluid can be smoothly and continuously sucked in and discharged, thereby significantly improving the operational reliability and pumping efficiency of the entire transportation system.

A ship comprises a hull, an air conditioner provided in a residential section, and the residential section, which is provided in the hull. The residential section is provided with: a plurality of rooms provided within the residential section; a passage provided within the residential section, the passage being connected to the plurality of rooms; an air lock room that is isolated from the passage by an openable / closable first door and is isolated from the exterior of the residential section by an openable / closable second door; an air supply duct that is capable of supplying air of which the temperature is adjusted by the air conditioner to at least some rooms among the plurality of rooms and to the air lock room; an air return duct for returning air from the passage to the air conditioner; and an air exhaust duct for forcibly discharging air to the exterior via at least some other rooms among the plurality of rooms.

The utility model relates to the technical field of flue gas purification, in particular to an activated carbon injection device for flue gas treatment. The activated carbon spraying device for flue gas treatment comprises a box body, a material crushing structure, a Roots blower, a reaction box and a rotating structure, a weighing metering bin is fixedly connected into the box body, the material crushing structure is installed at the top of the weighing metering bin, an air locking valve is installed in the box body, and the Roots blower is fixedly connected to the bottom of the box body; the output end of the Roots blower is fixedly connected with a venturi pipeline, the bottom of the air locking valve is fixedly connected with the throat portion of the venturi pipeline, one side of the venturi pipeline is fixedly connected with a reaction box, a discharging port is formed in the reaction box, the output end of the venturi pipeline is rotationally connected with the discharging port, and a rotating structure is installed at the bottom of the discharging port. The activated carbon injection device for flue gas treatment has the advantages that the injection efficiency is improved, and the flue gas treatment quality is improved.

One or more techniques and / or systems are disclosed for a clearing system designed for use within a pump to enhance maintenance efficiency and operational reliability. The clearing system may be integrated into a pump housing and specifically configured to address blockages in a weephole to mitigate airlock within the pump's inner chamber. This system may include a plunger mechanism, which is actuated by a user-operated button member. Upon activation, the plunger extends into the weephole to clear any obstructions, thereby maintaining the essential flow and pressure balance required for optimal pump performance.

An airtight type tobacco stem blanking airlock comprises an airlock shell and a rotor, the upper end of the airlock shell is provided with a feeding port, the lower end of the airlock shell is provided with a discharging port, and the left end and the right end of the airlock shell are provided with side covers; the rotor is installed in the airlock shell and is hollow, grooves are formed in airlock blades of the rotor in the length direction, sealing strips and adjusting push plates are installed in the grooves, through holes are formed in the bottoms of the grooves, adjusting rods with push springs are installed in the through holes, and adjusting shaft sleeves used for pushing the adjusting rods are installed in the rotor. A push shaft is fixedly arranged in the adjusting shaft sleeve in a penetrating mode, rotating covers are fixedly connected to the two ends of the rotor respectively, the rotating covers at the two ends are correspondingly and fixedly connected with a first hollow main shaft and a second hollow main shaft, and the first main shaft and the second main shaft are rotationally connected with the side covers respectively. The end parts of the main shaft I and the main shaft II are correspondingly connected with an opposite vertex adjusting bolt and an opposite vertex sealing bolt; and a driving wheel is mounted on the main shaft II. The airlock is good in airtightness and convenient to maintain.

The utility model provides a vertical mill slag discharge port airlock unloading flap valve for cement production, which comprises a flap valve main body, and a receiving box used for guiding cement production waste slag is arranged in the flap valve main body, compared with the prior art, the vertical mill slag discharge port airlock unloading flap valve has the beneficial effects that the flap valve main body and an overturning control mechanism are additionally arranged, so that the vertical mill slag discharge port airlock unloading flap valve is convenient to operate; the overturning control mechanism is installed on the right rear side of the bearing box, a main hydraulic rod stretches out and draws back to drive a linkage rod to rotate, the right end of the linkage rod drives a discharging rotating shaft to rotate, the linkage rod increases the length of a power arm, and two sets of auxiliary hydraulic rods drive the right end of a discharging overturning plate to rotate in the rotating process of the discharging overturning plate. After the upper surface of the discharging turning plate is attached to the lower surface of the collecting groove, the sealing bottom frame is embedded to the outer side of the expansion sealing ring, the discharging turning plate presses the inflation bag to inflate and expand the interior of the expansion sealing ring, and therefore the closing sealing performance can be improved, and by additionally arranging the turning plate valve body, the turning control mechanism and the rear housing, dismounting and using can be convenient.

This invention relates to an intelligent grain suction machine, comprising: a suction nozzle, a suction head, a front turning joint, a sealing sleeve, a rear turning joint, a three-way pipe, the top side of which is fixedly connected to the bottom side of the rear turning joint, the bottom side of which is connected downwards, and the front side of which is connected forwards; a dust collector, fixedly connected to the front side of the three-way pipe, forming a front filter layer of the three-way pipe; an airlock, fixedly connected to the bottom side of the three-way pipe; a fan assembly, fixedly connected to the dust collector; a belt conveyor, spaced below the airlock; a support frame, which serves as a support frame for the rear turning joint; a flat mounting frame, on which the support frame for the dust collector and the fan assembly is mounted; a frame, on which the flat mounting frame is mounted, and the bottom surface of which has multiple support legs; casters, mounted on the bottom surface of the support legs of the frame; and a power supply, mounted on the bottom surface of the frame. This invention utilizes the characteristics of light dust and heavy grains, allowing grains to separate downwards and dust to separate laterally, thus improving efficiency.

A sand optimizer (100) is disclosed A vertical shaft impactor crusher (105) includes a crushing chamber (110) to process stone material. A rotor (105A) generates a hot airflow and directs an upward dust flow. An induced draft fan (125) extracts fine dust and circulates air stream. A cyclone assembly (130) collect fine dust and separate clean air. A second rotary air lock (135) prevents the air with dust emission and allow the fine dust to exit the cyclone assembly. An amibatic non-return air duct (140) prevents fine particles from entering a discharge air duct and direct the clean air into the vertical shaft impactor crusher. A third rotary air lock (145) allows a final product to exit. A bag filter (155) bypass excess air. A plurality of valves including a butterfly valve and pendulum valve. At least two hydraulic cylinders provide unidirectional force by converting hydraulic energy into mechanical energy.

The utility model relates to an airlock type automatic sampling device and sampling system, including sampling execution body and driving mechanism, sampling execution body's side wall front part is provided with sampling feed inlet, sampling execution body's side wall rear part is provided with sampling discharge outlet, sampling discharge outlet is communicated with sample storage mechanism through blanking pipeline, sampling execution body is provided with sampling feed inlet, sampling execution body's side wall rear part is provided with sampling feed inlet. A sampling sliding block assembly is arranged in the sampling execution body in a sliding mode, the driving mechanism is arranged at the open end of the sampling execution body, a driving rod of the driving mechanism stretches into the sampling execution body and is connected with the sampling sliding block assembly, and the driving rod is sleeved with an air locking sliding block. The sampling slide block assembly reciprocates in the sampling execution body to bring a sample material to the sampling discharge port to be discharged, and the air locking slide block and the middle part of the inner side wall of the sampling execution body form a sealing structure, so that a high negative pressure material conveying pipeline can be prevented from being directly communicated with the sampling discharge port through the sampling feed port to influence the entering of the material into the sampling execution body; and the fan on the production line does not need to be temporarily shut down and is very convenient.

Plant for carrying out process steps on containers at least partially under cleanroom conditions, wherein the process steps include at least filling and closing the containers under cleanroom conditions, wherein the system (1) comprises a cleanroom structure (2), a filling station (3) for filling a container and a closing station (4) for closing a filled container, wherein the cleanroom setup (2) comprises an enclosure (20), wherein an interior (200) of the enclosure (20) is separated from an environment and the cleanroom condition can be met in the interior (200) of the enclosure (20) of the cleanroom setup, wherein the interior (200) of the housing (20) is closed in an operating state, wherein the housing (20) has a passage with a lock for introducing containers (5) to be filled into the closed interior (200) of the housing (20), and / or wherein a discharge interface (28) is provided on the housing (20) for the discharge of filled and sealed containers (5) from the closed interior (200) of the housing (20).

This utility model provides a vertical mill inlet airlock device and sealing structure, including: a vertical mill assembly, which includes a vertical mill body, a feed pipe, a rotating feed seat, a storage box, and a discharge baffle. Compared with the prior art, this utility model has the following beneficial effects: By adding the vertical mill assembly, the raw material is first poured into the storage box for temporary storage, and then fed into the vertical mill body via the rotating feed seat. The material stored in the storage box is isolated from the outside world. Due to the interruption of feeding caused by the upper structure, the discharge baffle is placed in the sealing groove and fitted to block the communication between the feed pipe and the inside of the vertical mill body, thereby improving the sealing effect. By adding the vertical mill assembly and the supporting storage box, the supporting storage box can be selected according to the production feeding speed, and the connection sealing is improved by the sealing ring. The supporting storage box and the storage box increase the storage capacity, which can further assist the sealing.

This invention discloses a cylindrical radiator assembly, relating to the field of radiator technology. It aims to improve upon the technical contradiction between high heat exchange efficiency and operational reliability in liquid-cooled radiators. Based on a cover plate and base plate riveted together to form a cooling chamber, the base plate surface is provided with equidistantly arranged mounting blocks to form directional flow channels. Within these directional flow channels are dynamically distributed, wave-shaped staggered flow paths. Rotatable mounting blocks with spiral flow channels are installed within the dynamic flow paths via positioning supports. The positioning supports contain elastic spring rods with metal impact balls. Through this rotatable turbulence structure and controllable vibration design, the turbulent heat exchange effect of the coolant is significantly enhanced under low flow resistance, while simultaneously suppressing coolant cavitation and airlock problems. This significantly improves the heat exchange efficiency and operational reliability of the radiator, making it suitable for liquid cooling scenarios in various high-power equipment.

Particle beam system (1, 1a, 1b), comprising: a stage (55) for receiving a holder (27, 27a, 27b) with an object (29) held on it, wherein a first temperature sensor (57) is attached to the stage (55); a particle beam source (63) for generating a particle beam (65) directed at the object (29); a vacuum jacket (11) that defines a vacuum space (17) in which at least the object stage (55) is arranged; a lock (5, 5a) coupled to the vacuum chamber (17) with a lock chamber (7, 7a) which is separated from the vacuum chamber (17) by an openable door (15); and a transfer device (35, 35a, 35b) for transporting the object holder (27, 27a, 27b) from the airlock (5, 5a) to the object table (55); the transfer device (35, 35a, 35b) comprises: an elongated rod (37, 37a, 37b) passing through a vacuum seal (33, 33a) provided in the vacuum jacket (11) or in a wall (9, 9a) of the lock (5, 5a); a coupling (38, 38a, 38b) which is attached to one end of the rod (35, 35a, 35b) and which is configured to be mechanically detachably coupled to the object holder (27, 27a, 27b); a signal line (43, 43a, 43b) for a second temperature sensor (39, 39a, 39b), which is led to the coupling (38, 38a, 38b); and a supply line (47, 47a, 47b) for a heater (41, 41a, 41b) which leads to the coupling (38, 38a, 38b).

This invention discloses a filtration device for the ash conveying pipeline at the top of an ash silo, comprising a filter with a first filter screen that divides the filter into a front chamber and a rear chamber. The front chamber is connected to a pneumatic ash conveying system, and the rear chamber is connected to the ash silo pipeline. An airlock is connected to the bottom of the filter, and an airlock mechanism is installed inside the airlock. An iron storage box is installed at the bottom of the airlock, and an induction unloading mechanism is installed inside the iron storage box. By installing a filtration device in the ash conveying system of a thermal power plant, this invention can filter the fly ash entering the ash silo pipeline multiple times, preventing impurities from entering the ash silo along with the fly ash, and avoiding accidents such as damage to the gasification plate in the ash silo, blockage of the ash discharge port, and equipment jamming.

The utility model discloses an anti-jamming airlock and paddle structure thereof, including roller and rotating vane subassembly, rotating vane subassembly includes first rotating vane piece, second rotating vane piece and third rotating vane piece, first rotating vane piece, second rotating vane piece and third rotating vane piece one end is equipped with connecting piece, first rotating vane piece includes first rotating vane plate, second rotating vane plate includes second rotating vane plate, third rotating vane plate is equipped with second rotating vane plate, third rotating vane plate is equipped with second rotating vane plate. A first cutting piece is arranged at one end of the first rotating vane plate, the second rotating vane piece comprises a second rotating vane plate, a second cutting piece is arranged at one end of the second rotating vane plate, the third rotating vane piece comprises a third rotating vane plate, and a scraping piece is arranged at one end of the third rotating vane plate. By means of the design of the rotating roller, the rotating vane assembly, the first cutting piece, the second cutting piece and the scraping and sweeping piece, the rotating roller drives the first rotating vane plate, the second rotating vane plate and the third rotating vane plate to rotate, so that the first cutting block and the second cutting block impact and cut attachments adhered to the inner wall of the shell respectively, scraping and sweeping of a scraping plate are facilitated, and the service life of the shell is prolonged. The effect of preventing material blocking is achieved.

This utility model discloses an air damper control system applied to the built-in air duct of a stenter. It includes an operating console for sending air damper rotation analog signal control commands, and an air damper baffle set inside the stenter oven and opposite to the air duct inlet. A rotating rod with its other end extending out of the air duct is connected to the air damper baffle. The extended end of the rotating rod is connected to an analog damper actuator for receiving the air damper rotation analog signal control commands sent by the operating console and driving the rotating rod to rotate so that the air damper baffle rotates. After the operating console sends the air damper rotation analog signal control commands, the analog damper actuator can accurately drive the rotating rod to rotate, thereby accurately adjusting the opening angle of the air damper baffle.

The utility model relates to the technical field of calcining furnaces, in particular to a double-furnace-door sealing high-temperature calcining furnace which comprises a conveying platform and a transition cabin, one end of the transition cabin is rotatably connected with an outer sealing door, the other end of the transition cabin is fixedly connected with a protection frame, and the interior of the protection frame is fixedly connected with an inner furnace. And an inner door is rotationally connected between the transition cabin and the protective frame. The device adopts a basic structure of the double-furnace-door airlock chamber, the transition cabin is isolated from the outside and the inner furnace through the outer sealing door and the inner door, and the device has the core advantages that physical isolation between the feeding and discharging process and the high-temperature atmosphere environment in the furnace is realized, so that material transmission is completed on the premise of maintaining the stability of the process conditions in the furnace, and the service life of the material is prolonged. The energy utilization efficiency is remarkably improved, the process atmosphere is protected, the production continuity and safety are improved, and the problems of a traditional high-temperature furnace in the aspects of atmosphere maintenance, heat energy management and continuous production are effectively solved through an exquisite mechanical structure and systematic design.

The utility model discloses a lignite uniform blanking airlock distributor, which relates to the technical field of distributors and comprises a trapezoidal shell, and a second valve casing is assembled on a top flange of the trapezoidal shell. By arranging the first valve shell, the guide inclined plate, the side shell, the valve shaft, the valve plate, the heavy hammer handle, the heavy hammer blocks and the second valve shell, the guide inclined plate gathers lignite, the valve plate supports the lignite, as the weight of the lignite exceeds the weight of the two groups of heavy hammer blocks, the heavy hammer handle warps upwards, the valve plate turns downwards, the lignite is poured into the second valve shell below, and the lignite is uniformly discharged. Along with the reduction of the quantity of lignite on the valve plates, the valve plates upwarp and reset under the compression of the heavy hammer block, the lignite is poured into the trapezoidal shell by the valve plates in the second valve shell under the compression of the same weight, the two layers of valve plates are alternately opened and closed, the sealing performance is better, the double-layer air locking function is achieved, and the problem that the air locking capacity of the device is poor is solved.

The invention discloses an electric submersible screw pump dry grinding and airlock regulation and control method, equipment and a medium, and relates to the technical field of mining equipment fault regulation and control. The method comprises the steps that motor winding temperature data, pump inlet pressure data and unit vibration data in the operation process of the electric submersible screw pump are obtained; extracting a temperature change rate and a pressure fluctuation amplitude according to the motor winding temperature data and the pump inlet pressure data, and extracting an energy value of a preset frequency band in the vibration spectrum according to the unit vibration data; inputting the temperature change rate, the pressure fluctuation amplitude and the energy value of the preset frequency band into a pre-constructed risk identification model, and outputting a risk type; and when the output risk type is a dry grinding risk or an airlock risk, performing a self-adaptive regulation and control sequence. By means of the method, multi-parameter fusion recognition of the dry grinding risk and the air locking risk is achieved, early symptoms of two fault modes can be accurately distinguished, and misjudgment and missed judgment caused by single parameter monitoring are avoided.

The utility model discloses an airlock silencer, and relates to the technical field of material input or output in high-temperature and high-pressure space, the airlock silencer comprises an airlock shell, the airlock shell is provided with a plurality of moisture discharge ports, the airlock shell is provided with fixing pieces at the moisture discharge ports, the opposite end of the connecting end of the fixing pieces and the moisture discharge ports is connected with a moisture discharge pipeline, and the moisture discharge pipeline is connected with the air lock shell. The end-to-end connection of the moisture removal port and the moisture removal pipeline is realized through the fixing piece, so that the stability and the sealing performance of the structure can be ensured, gas leakage is prevented, and meanwhile, the silencing effect is ensured through the silencing mechanism in the fixing piece; and the silencing mechanism can suck the materials in the airlock shell into the moisture removal pipeline, so that the materials are prevented from being wasted, and the moisture removal pipeline is prevented from being blocked.