1191 results about "Oil mist" patented technology

The invention discloses an oil mist particle trajectory control method and system in oil mist separation, and relates to the technical field of intelligent control, and the method comprises the steps: collecting the three-dimensional position and velocity vector of oil mist particles in real time, and carrying out the three-dimensional modeling of an oil mist trajectory; taking the deviation between the actually measured track and the ideal track as a training sample, inputting the training sample into a multi-layer perceptron, and outputting a current error vector and a compensation increment; constructing a multi-target evaluation function based on the compensated position target and the safe energy consumption factor; optimizing the control parameters by adopting a gray wolf optimization algorithm with improved congestion degree; and issuing the optimized parameters to an execution system to automatically adjust corresponding values. By means of the method, high-precision online control over oil mist particle movement is achieved; the separation efficiency and the energy consumption are effectively balanced; the system has self-adaptive closed-loop capacity, parameters can be quickly adjusted when working conditions change, and separation stability and equipment safety are guaranteed; manual intervention is reduced through automatic execution, and operation reliability and production efficiency are improved.

The invention relates to the technical field of length measurement, and particularly discloses a length measurement device based on laser interference, which comprises a laser measurement module, an air curtain channel module, an air curtain construction module and a channel adjustment module, the laser measuring module is used for transmitting and receiving laser, the optical path difference change is measured according to the interference principle, and the micro length change of the workpiece can be continuously and accurately measured in real time while the machining module carries out machining operation on the workpiece; a linear channel is formed between the laser head and the measuring reflector through the air curtain channel module, inert gas is continuously introduced into the channel through the air curtain construction module, and an air curtain atmosphere with stable laminar flow is formed, so that pollutants and interference factors such as oil mist, dust, cutting fluid splashing and hot air turbulence generated in a machining area are effectively blocked, and the machining precision is improved. Therefore, the measurement light beam is prevented from being interfered by environmental factors in the propagation process.

The invention discloses a bearing lubricating oil chamber structure for a double suction pump, relates to the field of pumps, and abandons the situation that a traditional exhaust valve releases oil mist pressure, blades rotate to form a right high-pressure area when a customized bearing rotates, the bottom end of the customized bearing is locally immersed in oil, oil is uniformly carried during rotation and heat is increased, and air in a lubricating chamber is injected into an oil can through the pressure difference of the two sides of the blades; compared with a traditional mode, the lubricating device has the advantages that the uniformity is higher, repeated friction and atomization of the oil can be avoided, the oil enters the oil can along with airflow along with continuous adding of the oil in the lubricating chamber and rising of the liquid level, and the lubricating effect is better. And the oil is cooled and circulated in the return pipe after being filtered by the kettle cover, so that the oil can be continuously and circularly filtered, the reliability of the oil is ensured, the cooled oil can lubricate the bearing and take away heat, long-time high-speed use is met, the oil loss is small, the operation environment of the bearing is stable, and the overall maintenance period is greatly prolonged.

The invention relates to the technical field of transformers, in particular to a power electronic transformer with a shielding structure, which mainly comprises a transformer body, a radiator is fixedly mounted on the side surface of the transformer body, a cooling fan is fixedly mounted at the end part of the radiator, and a weak current box is fixedly mounted at the end part of the transformer body. Double oil mist separation is achieved through the deoiler, one is that spiral ascending airflow is formed through guiding of the jet pipe, oil mist in gas is removed according to the centrifugal demisting principle, and the other is that residual oil mist in the gas is secondarily intercepted through the filter element pipe, so that the oil mist in respiratory airflow can be effectively removed, the oil mist interception efficiency is remarkably improved, and the oil mist separation efficiency is greatly improved. Meanwhile, the elastic membrane of the buffer can absorb sudden pressure change of the oil conservator through elastic deformation, so that the pressure fluctuation amplitude is reduced when the load changes suddenly, pulverization or structural damage of the drying agent caused by strong airflow impact is avoided, it is ensured that the moisture absorption drying agent is always in a clean and stable working environment, and the efficient dehumidification capacity is maintained.

The invention relates to the technical field of natural gas separation, in particular to a natural gas pipeline oil mist separation system which comprises a gas inlet end, an oil mist separation mechanism, an exhaust end and an oil dirt discharge mechanism, the gas inlet end comprises a natural gas inlet main pipe and two natural gas inlet branch pipes, and the natural gas inlet branch pipes are connected with a filtering device; the two groups of oil mist separation mechanisms are fixedly mounted on the filtering device and are used for separating and removing oil mist in the natural gas; the exhaust end comprises a natural gas outlet main pipe and two natural gas outlet branch pipes; and the oil mist discharging mechanism is connected with the oil mist separating mechanism and is used for recovering and treating the oil mist. The filtering device comprises a filter, and a filtering assembly composed of a filter element support, a coalescence sintering type filter element and a bearing is arranged in the filtering device. The oil mist separation mechanism comprises a high-pressure steam source, a steam conveying pipe, a steam branch pipe and a blade, and oil mist separation is achieved through steam injection. Oil mist in natural gas can be effectively separated, and the filtering efficiency and the natural gas quality are improved.

The invention relates to the technical field of oil mist treatment, in particular to an oil mist filtering and discharging system and an oil mist interceptor. Wherein the oil mist filtering and discharging system comprises a main air pipe and a branch air pipe, and an air outlet of the main air pipe is connected with a main fan; the air outlet ends of the branch air pipes are connected with the main air pipe, the air inlet ends of the branch air pipes are connected with oil mist generation equipment, and each branch air pipe is provided with an oil mist interceptor; the main fan is arranged on the main air pipe, and the oil mist purification system is used for filtering oil mist and then discharging the filtered oil mist to the external environment. The oil mist interceptor comprises a shell; an intercepting turntable is rotationally arranged in the shell; a plurality of radially-distributed intercepting spokes are arranged on the intercepting rotating disc, an oil storage groove which is sunken downwards is formed in the bottom of the inner wall of the shell, and an oil discharging opening is formed in the oil storage groove. According to the technical scheme, pollutants in oil mist are preliminarily intercepted through the oil mist interceptor, deposition of oil stains in the air pipe is reduced, and the treatment pressure of an oil mist purification system is reduced.

The invention relates to the technical field of tempered film production, in particular to an oil coating all-in-one machine for a flat tempered film, which comprises a shell, a transmission mesh belt, a cleaning assembly, a telescopic driving part, a sealing cover and a plugging film, a transmission mesh belt is arranged on the machine shell; a cleaning assembly is arranged on the machine shell. A plurality of telescopic driving pieces are arranged on the machine shell; the telescopic ends of all the telescopic driving pieces are jointly and fixedly connected with a sealing cover. The inner wall of the sealing cover is an inclined surface; a blocking film is arranged at the bottom of the sealing cover. The closed chamber is formed by combining the closed cover, the blocking film and the tempered film, oil mist sprayed out at a high speed is prevented from diffusing all around after making contact with the tempered film and adhering to the surface of other sprayed or unsprayed tempered film, uneven adhesion of the oil mist on the surface of the tempered film is avoided, meanwhile, oil liquid is prevented from adhering to the back face of the tempered film, and the service life of the tempered film is prolonged. The viscosity reduction of the adhesive layer on the back of the tempered film is avoided and the quality of the tempered film is guaranteed.

The invention discloses automatic door lock panel forming equipment and a forming process, and particularly relates to the technical field of door lock panel forming equipment, and the automatic door lock panel forming equipment comprises a base, a stamping device, a mold assembly, a supporting assembly, an oil injection assembly and an air injection assembly. Through the arrangement of the oil spraying assembly, the profiling plate can be pushed to synchronously move upwards in the door lock panel punch forming process, oil mist is evenly sprayed into the groove in the upward moving process of the profiling plate, on one hand, oil mist spraying and punching can be conducted synchronously, the volatilization loss of lubricating oil is reduced, and the production efficiency is improved; and on the other hand, the lubricating oil injection amount can be automatically adjusted according to the panel stamping moving distance, so that the problems of uneven smearing thickness, local missing or excessive smearing and the like can be avoided, abnormal abrasion of a mold is avoided, the panel forming precision is improved, and the service life of equipment is prolonged.

The invention relates to a dry tar-containing tail gas treatment process which comprises the following steps: step 1, after tail gas is collected by a pipeline, granulating tail gas enters a pipeline degreaser under the air draft action of a tail gas fan at the tail end; the invention relates to the technical field of tar-containing granulation tail gas treatment. According to the dry tar-containing tail gas treatment process, tar larger than or equal to 10 microns is intercepted through a detachable filter screen in a pipeline degreaser, and blockage is prevented in cooperation with a steam / solvent flushing opening; the dry type preprocessor adopts three-stage gradient filtration of a G3 metal net, G4 glass fibers and G5 glass fibers, viscous particles below 5 microns are thoroughly removed, and automatic overload alarm is realized through pressure difference detection; submicron oil mist is adsorbed by the electric trapping oil remover through a high-voltage electric field, safety is guaranteed through an explosion venting sheet, and electrodes are continuously / discontinuously flushed through a spraying pipe; the cleaning system separates a mixing / circulating area through a partition plate, an oil separation net protects a flushing water pump, and long-term stable operation of the device is achieved. The problem that tar is difficult to clean due to adhesion is thoroughly solved.

The invention discloses a multifunctional cutting base and a cutting method for a large fan casting, and relates to the technical field of casting cutting machining.The base comprises a self-adaptive supporting platform, a combined type damping assembly, a vibration control unit and a chip and oil mist recycling unit; the self-adaptive supporting platform is attached to the bottom of a casting through a plurality of spherical hinge universal planes with angles and heights adjusted hydraulically to form a profiling supporting face so as to achieve multi-point self-adaptive clamping. The combined type damping assembly conducts damping adjustment along with machining vibration dynamic response through the damping unit in cooperation with the vibration control unit, and the machining posture of the casting is stabilized. The cuttings and oil mist recovery unit is used for synchronously collecting and separating dust, metal cuttings and cooling oil liquid generated in the turning process through a liquid-solid separation module, a dust hood with a negative pressure suction function and a chip removal channel; the clamping stability and the machining precision of the large casting are effectively improved, the machining site environment is improved, and the problem that an existing large casting machining platform affects the casting machining state is solved.

The invention discloses an intelligent monitoring method for casing gas recovery, and relates to the technical field of casing gas detection and analys.The method comprises the steps that casing gas parameters including gas pressure, instantaneous gas volume and gas temperature are collected in real time, and spectrum data are collected through ultraviolet and infrared spectrum sensors; a scattering feature calculation module and a shielding feature calculation module are introduced into a Transformer network, oil mist scattering interference features and shielding interference features are extracted, weight fusion is performed on ultraviolet and infrared spectrum data, interference spectrum hazard values are eliminated, a net absorption spectrum is generated, and concentration is calculated in combination with the Lambert-Beer law to perform safety early warning. Coupling between casing gas parameters is considered, and a long-short-term memory network is adopted to construct a pressure coupling model to correct a pressure threshold value; and the electric control adjustable pipeline is controlled through a PID algorithm to dynamically adjust the drift diameter, so that precise monitoring, safe early warning and stable recovery of the sleeve gas are realized.

The invention relates to the technical field of cutting fluid separation and filtration, and discloses mist separation and filtration equipment for cutting fluid for photovoltaic silicon wafer production, which comprises a rack, a centrifugal tank body, a feeding shaft, a servo motor and a filter cartridge, a locking sleeve is installed on the feeding shaft, a plurality of fixed sleeves are fixedly installed on the locking sleeve, a sliding shaft body in sliding connection with the inner wall of each fixed sleeve is installed in the corresponding fixed sleeve, an annular disc frame is fixedly installed on each sliding shaft body, and a plurality of intercepting components are arranged between the annular disc frames and the fixed sleeves; according to the mist separating and filtering equipment for the cutting fluid for photovoltaic silicon wafer production, flow field parameters can be effectively changed by dynamically adjusting the radius of the intercepting part, optimization treatment on oil mist with different concentrations is achieved, the particle residence time can be prolonged through the intercepting part, and therefore collision polymerization between superfine particles and large particles is facilitated; therefore, the large particles can carry the superfine particles to be in contact with the filter cartridge, and are separated and filtered under the action of the filter cartridge.

The utility model relates to the technical field of oil mist filtering, and discloses a dynamic and static adsorption combined oil mist filtering device in an explosion-proof environment, which comprises a cushion block, a centrifugal fan is fixedly connected to the upper surface of the cushion block, and a connecting pipeline is fixedly connected to the input end of the centrifugal fan. A second-stage static purification module is fixedly connected to one end of the connecting pipeline, a purification box is fixedly connected to the outer wall of the second-stage static purification module, and multiple layers of baffle plates are arranged in the left side of the purification box. According to the utility model, the dynamic adsorption module and the static adsorption module are adopted, centrifugal force generated by rotation of the motor is utilized to throw out oil mist medium in waste gas from the center along the radial direction, the oil mist medium is converged into the bottom oil discharge hole to be discharged through the oil guide groove arranged in the equipment, and then the inertia force direction of particulate matters is changed through fibers of the filter; and the particulate matters can be adhered to the wall of the baffle plate, so that the effect of filtering the particulate matters is achieved, and the treatment effect of the oil mist-containing gas is improved.

The invention relates to the technical field of laser processing, in particular to surface-mounted inductor multi-surface vision laser paint stripping equipment which comprises a rectangular base, a Y-axis sliding table and a base are fixedly connected to the outer surface of the upper end of the rectangular base, and an X-axis sliding table is movably connected to the outer surface of the upper end of the Y-axis sliding table; a camera frame is fixedly connected to the outer surface of the right side of the X-axis sliding table, and a CCD camera assembly is arranged on the outer surface of the right side of the camera frame. According to the invention, through the innovatively designed protective shell structure and linkage mechanism, the technical problem that the optical element of the traditional laser paint stripping equipment is exposed and polluted is fundamentally solved, specifically, a lifting protection scheme driven by an electric telescopic rod is initiated for the first time; the protective shell moves upwards under the action of the electric telescopic rod and forms a closed space with the rectangular base plate, sealing fit is achieved through the second rubber pad, and workshop dust, oil mist and condensate water erosion is isolated.

The invention discloses a combustion chamber fuel injection and oil-gas mixing system suitable for a low-temperature environment, and belongs to the field of combustion chambers of gas turbines, the combustion chamber fuel injection and oil-gas mixing system comprises a flame tube, a centrifugal nozzle and a two-stage cyclone which are coaxially arranged, after fuel is atomized through the centrifugal nozzle and enters, the fuel is further atomized through rotational flow of an inner ring of the two-stage cyclone and enters the flame tube, and the fuel is injected into the combustion chamber through the centrifugal nozzle. External high-pressure air is swirled through the outer ring of the two-stage swirler to form swirling air, and internal fuel spray is crushed, atomized and mixed; a venturi tube is arranged at the end, close to the flame tube, of the inner ring of the two-stage cyclone, vortex generators are evenly arranged on the inner wall of the expansion section of the venturi tube in the circumferential direction, and oil mist with the small and even particle size is formed after the atomized mist is acted. Through multi-stage rotational flow, oil mist with fine and uniform granularity is formed, the atomization effect is optimized, and the fuel oil atomization quality and combustion stability in a low-temperature environment are improved.

The utility model relates to the technical field of engraving and milling machines, in particular to an engraving and milling machine with a protective structure, which comprises a machining table, a protective mechanism, a cleaning mechanism and a protective mechanism, raw materials are subjected to engraving and milling in the machining table, the protective mechanism is mounted on the surface of the front end of the machining table, and the cleaning mechanism is mounted on the surface of the front end of the machining table. The cleaning mechanism is installed on the surface of the top end of the interior of the machining table, the cleaning mechanism absorbs oil mist generated by gasification of cooling oil in the machining table, and through cooperation of the protection mechanism and the cleaning mechanism, the waste chips are blocked through a cabin door. And a brush installed on the surface of the front end of the machining table can clean observation glass installed in the cabin door, unclear observation caused by oil mist adsorption is prevented, the oil mist generated in the machining table is absorbed through a draught fan, and harm to the bodies of workers is avoided.

The utility model provides a gear box oil spill prevention ventilation device and a gear box, and relates to the technical field of gear box oil spill prevention, the gear box oil spill prevention ventilation device comprises a ventilation pipe assembly, a ventilation cap and a damping adsorption piece, the ventilation pipe assembly comprises a ventilation pipe and a plurality of damping bodies, the ventilation pipe is used for being connected with the gear box, and the damping bodies are arranged in the ventilation pipe to form a zigzag ventilation channel; airflow carrying oil mist in the gearbox sequentially passes through the ventilation channel and the damping adsorption part, the flow speed can be reduced and the condensation backflow effect can be improved when the airflow passes through the ventilation channel, the flow speed of the airflow can be further reduced when the airflow passes through the damping adsorption part, the oil mist in the airflow is further adsorbed, and finally the airflow is exhausted through the ventilation cap. From the two aspects of reducing the airflow speed and enhancing oil backflow, the situation of oil overflow leakage of the gear box is reduced on the premise that the normal ventilation function is guaranteed.

The invention provides a direct ignition baffling combustion chamber and an engine, and belongs to the technical field of aero-engines, the direct ignition baffling combustion chamber comprises a cartridge receiver, an oil supply assembly, an oil flinger and an ignition device, the cartridge receiver comprises an outer cartridge receiver, an inner cartridge receiver, a flame tube outer ring and a flame tube inner ring cavity; an oil supply assembly on the cartridge receiver is provided with an oil spraying hole; the oil flinger is rotationally arranged at the oil spraying hole of the oil supply assembly; the ignition end face of the ignition device extends to the gas side of the flame tube inner ring. Fuel oil is conveyed into the oil flinger through the oil spraying hole of the oil supply assembly, the ignition end face of the ignition device extends to the inner ring gas end of the flame tube, an oil mist cone atomized by the oil flinger can be directly beaten to the position close to the ignition end face, the oil mist cone can be directly ignited, and high-reliability ignition of the combustion chamber can be achieved without additionally arranging an auxiliary ignition device. According to the direct ignition baffling combustion chamber, the problem that an auxiliary ignition device needs to be arranged when an indirect ignition mode is adopted in a baffling combustion chamber in the prior art is solved.

The invention discloses a locomotive accessory water-free cleaning system which comprises a carbon dioxide liquid storage tank, a dry ice making device, a cleaning room, a turnover device, a dry ice spraying device, a mobile robot, an oil mist purifying device and a control center. The cleaning device is used for cleaning locomotive accessories; the mobile robot is used for clamping and moving the dry ice spraying device so that the dry ice spraying device can conduct multi-angle cleaning on the locomotive accessories. A dry ice cleaning technology is adopted, granular dry ice and compressed air are mixed to generate high-speed airflow for cleaning, the dry ice is converted into a gas state from a solid state, micro-explosive impact force is directly generated, and dirt on the surfaces of locomotive accessories is crushed and removed. In the cleaning process, dry ice is instantly sublimated into gaseous carbon dioxide to be volatilized into the air, no residual matter exists, and secondary pollution cannot be generated.

The application discloses a guide bearing inner circulation structure and belongs to the technical field of generators, which comprises an oil tank, a cooler, a bearing seat, guide bearing pads and a sliding rotor, and is characterized in that it further comprises a viscous pump plate and a guide pad support ring, the viscous pump plate is fixed at the bottom of the guide pad support ring, the viscous pump plate corresponds to the lower plane of the sliding rotor, an oil collecting cavity is arranged on the guide pad support ring, a plurality of radial oil guiding holes are arranged on the outer side of the oil collecting cavity, the radial oil guiding holes are communicated with the oil collecting cavity, an oil injection pipe is arranged between two adjacent guide bearing pads, the upper part of the radial oil guiding hole is communicated with the oil injection pipe, and a drain port is formed on the bearing seat. The application circulates lubricating oil by using the viscous pump principle, directly introduces the lubricating oil into the cooler through the drain port formed at the rear end of the bearing seat, greatly shortens the lubricating oil path, adopts the direct injection lubrication structure for the lubrication of the guide bearing pad, effectively improves the cooling effect and the cooling efficiency of the guide bearing pad, and has a good inhibitory effect on the generation of oil groove oil mist.

The invention discloses an oil mist concentration detector, which belongs to the technical field of oil mist concentration detection, and comprises a shell, a flue, a light source, a photoelectric detector, a main control circuit board and two end covers, the flue is arranged in the shell; the two end covers are arranged at openings in the two ends of the shell respectively. Each end cover is provided with an air vent, and the air vents of the end covers are opposite to the openings in the two ends of the flue; the light source is arranged on the flue and emits light beams into the flue; the photoelectric detector is arranged on the flue and is used for receiving scattered light and outputting an electric signal; the main control circuit board is arranged on the outer side wall of the flue and located between the outer side wall of the flue and the inner side wall of the shell. The main control circuit board is electrically connected with the light source and the photoelectric detector. The oil mist concentration detection function is achieved through the light scattering method, the oil mist concentration can be detected in real time through the method, and the structure is simple, stable and reliable.

A rotating electrical atomizer to reduce stress includes a controlling mechanism, a reducing-stress mechanism, an atomizing mechanism, and an inhaling part; the controlling mechanism includes a supply assembly and a controlling assembly electrically connected to each other; the reducing-stress mechanism is connected to the controlling mechanism and includes a decompression ring and at least one bearings; the outer ring of the bearing is connected to the decompression ring; the decompression ring rotates with the bearing as a rotation center; the atomizing mechanism is connected to the reducing-stress mechanism and provided with an atomizing core and an oil storage room enclosing the atomizing core, the atomizing core is electrically connected to the controlling assembly; the inhaling part is connected to the atomizing mechanism, and the oil mist heated by the atomizing core is sprayed from the inhaling part.

The present invention relates to the field of purification technology, and discloses an oil mist purification device. The oil mist purification device includes a housing, a centrifugal impeller and a filter assembly disposed in the housing. An air inlet and an air outlet are provided on the housing, and the air inlet is communicated with the air outlet. The centrifugal impeller is disposed in the housing and is arranged facing the air inlet. The filter assembly is disposed in the housing, and the oil mist waste gas flows through the filter assembly to the air outlet. The filter assembly includes a packing layer, and the packing layer is spaced around the outer periphery of the centrifugal impeller. This oil mist purification device can improve the oil mist removal effect and reduce the filtration resistance.

The invention discloses a machine tool oil mist centralized management and control intelligent purification method and system, and relates to the technical field of oil mist management and control purification. State factors from different physical sources are subjected to normalization processing, the system breaks through a data dimension gap between sub-modules, and the management and control accuracy of the machine tool oil mist centralized management and control intelligent purification system is improved. The performance degradation behavior, the disturbance flow state behavior and the pollution residue behavior are uniformly incorporated into the same regulation and control intensity index system for the first time, and a uniform logic reference is provided for strategy evaluation. Different regulation and control intervals such as a normal area, a steady-state regulation and control area, a linkage control area and a warning response area correspond to different coping strategies respectively, abnormal data points caused by interference fluctuation, accidental jump and the like in oil mist parameter collection are effectively removed in a combined mode of a sliding window and median filtering, and the accuracy of oil mist parameter collection is improved. And it is ensured that data entering a subsequent calculation model has high stability and representativeness. The mechanism directly solves the common core problem of'high-noise data misleading judgment 'in the prior art.

The invention discloses a lubricating oil system of an aviation turboprop engine. The lubricating oil system comprises a lubricating oil supercharging device, an oil-gas separation device, a lubricating oil return device, a lubricating oil filtering device, a lubricating oil monitoring device and a connecting guide pipe communicating all the devices. The lubricating oil supercharging device comprises a main lubricating oil pump, an auxiliary lubricating oil pump and a torque measuring pump; the oil-gas separation device comprises a ventilation oil tank, an air separator and an oil mist separator; the lubricating oil return device comprises a lubricating oil tank, a lubricating oil radiator, a middle and rear bearing oil well pump, a transmission box oil well pump and a direct-current electric lubricating oil pump; the lubricating oil filtering device comprises a lubricating oil filter and a middle-rear bearing oil return filter; the lubricating oil monitoring device comprises a temperature metal chip annunciator and a magnetic chip detection annunciator. Appropriate lubricating oil pressure and oil quantity are provided, lubrication and heat dissipation of friction surfaces of parts in an engine are improved, and the use reliability of the engine is improved.

The present invention discloses a high-efficiency oil mist filtering device, which belongs to the technical field of oil mist treatment equipment. It comprises: a shell, an interception mechanism and a power mechanism. The interception mechanism is arranged inside the shell, and the bottom end of the shell is connected to the oil mist outlet of the device. The power mechanism is arranged at the top end of the shell to drive the interception mechanism to operate. The interception mechanism comprises a mesh tube and multiple blades. The top end of the mesh tube is connected to the output end of the power mechanism. Multiple groups of pushing mechanisms are arranged in the mesh tube. Each group of pushing mechanisms corresponds to a blade and is located on the windward side of the blade. The pushing mechanism comprises multiple scrapers and circulation components. The multiple scrapers are fixedly connected to the circulation component and are evenly distributed on the outside of the circulation component. A linkage mechanism is arranged on the bottom side of the shell. The multiple groups of circulation components rotate under the drive of the linkage mechanism. The present invention effectively solves the problem that oil easily adheres to the surface of the blade, making separation more difficult, affecting subsequent oil interception, and reducing separation efficiency.

The invention relates to the technical field of oil mist purification of machining workshops, in particular to an oil mist centralized treatment system with a self-cleaning prefilter. Comprising an air pipe system, a prefilter, a cyclone separator and a main fan. The air pipe system is composed of a plurality of branch air pipes and a main air pipe and used for conveying oil mist generated by all the oil mist source devices to the pre-filter in a centralized mode. The prefilter is provided with an air duct area and a cleaning tank area, is provided with a filter plate with switchable positions, is matched with a driving mechanism to move between an air duct and a cleaning tank, and realizes automatic cleaning by means of an ultrasonic cleaning device and a jet cleaning nozzle. The pre-filtered gas enters a cyclone separator, fine particles and water are further removed, and then the gas is extracted by a main fan. The system can efficiently remove oil mist, reduce the load of subsequent equipment and improve the purification efficiency and the operation stability.

The invention is suitable for the technical field of roller oiling, and provides a roller online electrostatic oiling device and an oiling method thereof.The roller online electrostatic oiling device comprises an adjusting surrounding assembly and an intermittent shielding assembly; the adjusting and surrounding assembly comprises an adjusting frame, a lifting motor, a lifting shaft, a lifting block, a lifting plate, a surrounding piece, a supporting rod, a movable block and an atomizing spray gun. The intermittent shielding assembly comprises a vertical plate, an annular sliding rail, an electric ring block, a triangular plate, a driving motor, a driving gear, a movable plate, gear teeth and a shielding plate. When a movable plate rotates to a triangular area of a triangular plate, one movable pin continues to slide along the interior of a triangular groove and extrudes a corresponding long strip to extrude the long strip back into a corresponding cutting groove, so that a corresponding short block is extruded out of the corresponding cutting groove, the other movable pin is pushed into an annular groove, the movable plate is turned over, and the short block is extruded out of the annular groove. And the process is repeated, so that the purpose of coating the two surfaces of the baffle plate with the lubricating oil mist is achieved, and part of the lubricating oil mist is coated on the surface of the baffle plate.

The present invention discloses a test platform. The test platform includes an oil injection device, an atomization device, an oil mist storage device, a delivery device, and a control device. The oil injection device delivers mineral oil into the atomization device. The atomization device is configured to atomize the mineral oil into oil mist. The oil mist storage device is disposed downstream of the atomization device and is fluidically connected to the atomization device. The oil mist from the atomization device enters the oil mist storage device. The oil mist storage device is provided with multiple detection ports for detecting the concentration of the oil mist in the oil mist storage device. The delivery device is fluidically connected to the atomization device and the oil mist storage device, respectively, to deliver the oil mist in the atomization device to the oil mist storage device. The control device is configured to control the amount of mineral oil and / or oil mist. The test platform according to the present invention simulates the actual oil mist environment and oil mist in a state similar to the actual environment, as well as simulates the extraction of oil mist for measurement, and is simple and convenient to operate.

The utility model provides a waste gas adsorption and purification treatment device, which belongs to the technical field of environmental protection equipment and comprises a treatment box body, an adsorption and purification component is mounted in the treatment box body, and an airflow regulation and control component is mounted on the adsorption and purification component. According to the utility model, the adsorption purification assembly is arranged, a three-stage progressive structure of a primary filter layer, an activated carbon adsorption layer and a molecular sieve purification layer is adopted, and a front-end oil mist separation net is matched, so that dust and oil mist particles can be intercepted stage by stage, organic waste gas, harmful gas and peculiar smell molecules are efficiently adsorbed, and the purification is thorough; the multiple layers of filter materials are mounted in a sliding groove plugging manner, so that disassembly, replacement and maintenance are convenient, and the use cost is reduced; waste gas can evenly penetrate through all the adsorption layers through the flow guide partition plates and the evenly-distributed flow guide through holes, airflow short circuit and local accumulation are avoided, the adsorption capacity of filter materials is fully utilized, the overall purification efficiency is improved, the service life is prolonged, and it is guaranteed that the waste gas reaches the standard to be discharged.