1467 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 provides a visual optimization method, medium and system for a welding robot for a floating ship plate of an oil storage tank, and belongs to the technical field of electric digital data processing.The method comprises the steps that key information of the welding process is comprehensively obtained and deeply analyzed through a multi-dimensional and multi-scale data collection and decomposition strategy, and the welding process is optimized; comprising complex data such as welding seam images, robot poses, current, voltage, oil mist concentration and floating ship plate vibration frequency. By constructing an image interference compensation model and a pose compensation model based on multivariate decomposition, accurate enhancement of weld image quality and dynamic correction of robot poses are achieved, and interference factors and system errors in the welding process are effectively eliminated. Finally, the optimized high-quality image data and accurate pose data serve as input of a machine vision module, the vision guiding precision of the oil storage tank floating ship plate welding robot is remarkably improved, and the technical problem that the detection reliability is seriously reduced due to the fact that a vision system of the welding robot is often affected by many interference factors is solved.

The invention relates to the technical field of oil mist separation, in particular to a machining oil mist separation real-time monitoring system which comprises a particle trapping monitoring module, an airflow adjustment control module, a particle path judgment module, a boundary recognition analysis module and a separation efficiency feedback module. According to the method, through combined monitoring of the oil mist particle concentration and the airflow speed, dynamic analysis of the particle trapping efficiency and deviation direction identification are achieved, the diffusion trend identification precision is improved, the guide angle is introduced to be compared with the wind speed parameter, the insufficient response area is defined, the adjustment precision and real-time performance are enhanced, and the particle sedimentation direction is classified and identified; the method comprises the steps of constructing a structured motion path, locking space abnormal behaviors, fusing visible light and near-infrared refraction angle changes, identifying particle boundary features, improving the abnormal distribution analysis capability, carrying out superposition judgment on boundary abnormality and an adjustment response region, evaluating the separation stability, and feeding back separation capability distribution in a monitoring region. And the trend tracking and separation efficiency analysis capability is enhanced.

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 utility model provides an n-hexane recovery system for a grain and oil leaching workshop, which comprises an oil mist purification spray tower, a heat exchanger, a first adsorption tower, a second adsorption tower, a third adsorption tower, a condenser, an oil-water separator, an n-hexane delivery pump and a negative pressure fan, the oil mist purification spray tower comprises a demisting section, an upper supporting grid plate, an upper spraying section, a middle supporting grid plate, a lower spraying section, a bottom supporting grid plate, a liquid collecting section and a spraying device from top to bottom, a gas outlet is formed in the top of the demisting section, a gas inlet is formed in one side of the liquid collecting section, the gas outlet is connected with the heat exchanger, and the spraying device is connected with the heat exchanger. An outlet of the heat exchanger is respectively connected with a first adsorption tower, a second adsorption tower and a third adsorption tower through pipelines, and the connecting bottoms of the first adsorption tower, the second adsorption tower and the third adsorption tower are respectively provided with pipelines connected with a condenser. The system disclosed by the utility model is high in normal hexane recovery rate, can simultaneously and continuously perform adsorption and desorption, can prevent oil mist in waste gas from influencing an adsorbent, and can stably and continuously operate for a long period.

According to the oil mist removing device and method for the continuous annealing line temper mill, the temper mill comprises a supporting roller, supporting bearing seats are arranged on the two sides of the supporting roller, bearing sealing devices are arranged on the two sides of bearings on the bearing seats, and the oil mist removing device for the temper mill comprises a wool felt ring, an oil retainer ring and an oil mist removing system. Wherein the wool felt ring is sleeved on the outer side of the bearing sealing device at the joint of the supporting bearing seat and the supporting roller; the oil retainer is arranged on the outer side of the bearing, the top of the wool felt ring covers the joint of the bearing and the supporting roller, a gap is reserved between the oil retainer and the roller surface of the supporting roller, and an oil pumping air hole is formed in the oil retainer; the oil mist removal system comprises an oil gas pumping hose, a first pipeline, a main pipeline, a filter, a fan, a motor and an exhaust port, the oil gas pumping holes are connected with the first pipeline through the oil gas pumping hose, the first pipeline is connected with the main pipeline after being converged, the filter, the fan and the exhaust port are sequentially arranged on the main pipeline from upstream to downstream, and the motor is connected with the fan. According to the method, the overall occurrence probability of plate surface oil spots can be reduced, and the plate surface quality is obviously 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 discloses a camera protection device with an air knife, which relates to the technical field of industrial camera protection devices and comprises a shell assembly arranged outside a camera. The shell assembly is of a frame-shaped structure, and the camera is connected with the inner wall of the frame-shaped structure; the frame-shaped structure comprises a top plate, and a window for the camera to shoot is formed in the top plate; an annular air knife assembly is arranged around the window, the annular air knife assembly is arranged between the top plate and the camera, and the annular air knife assembly can achieve annular air knife air supply. The camera protection device provided by the invention is more compact in structure, and meets the carrying requirements of small-space and small-load motion structures, especially automatic loading and unloading carrying manipulators and other motion mechanisms; a uniform and stable isolation layer can be provided, water, oil mist, dust and other foreign matters can be isolated without dead angles, and the camera identification precision is not influenced by the foreign matters.

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 utility model discloses an oil mist recovery device which comprises an oil mist recovery shell provided with a front shell plate and a rear shell plate, a rectangular oil mist inlet hole is formed in the front shell plate, an upper guide groove formed in the oil mist recovery shell is formed above the oil mist inlet hole, and a lower guide groove formed in the oil mist recovery shell is formed below the oil mist inlet hole. A foam metal plate for shielding the oil mist inlet hole is arranged in the oil mist recovery shell, the upper end of the foam metal plate is connected into the upper guide groove in a sliding mode, the lower end of the foam metal plate is connected into the lower guide groove in a sliding mode, an oil collecting groove communicated with the lower guide groove is formed below the lower guide groove, and a supporting net plate is arranged between the oil collecting groove and the lower guide groove. The lower end of the foam metal plate is pressed on the supporting net plate, and the oil mist recycling shell is connected with a negative pressure pipe and an exhaust fan providing negative pressure for the interior of the negative pressure pipe. The oil mist recovery device has the advantages of being high in filtering capacity, safe, environmentally friendly, complete in overall function and high in practicability.

A filter management device according to the present disclosure comprises: a reception unit that receives concentration information indicating an oil mist concentration from a concentration meter that measures the oil mist concentration in a machining chamber of a machine tool; a rotational speed control unit that, on the basis of the received concentration information, controls the rotational speed of a fan motor of a mist collector that recovers the oil mist in the machining chamber by means of a filter; a determination unit that, on the basis of the controlled rotational speed of the fan motor, determines whether an abnormality has occurred in the filter or replacement of the filter is required; and a warning generation unit that generates a warning when it is determined that an abnormality has occurred in the filter or replacement of the filter is required.

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 present invention discloses a manipulator for combined installation of electrical equipment, which relates to the field of manipulator technology and comprises a base, wherein the top of the base is rotatably connected to a main rotating wall, the top of the main rotating wall is rotatably connected to a secondary rotating wall, the inner side surface of the secondary rotating wall is rotatably connected to a self-cleaning mechanism, the surface of the self-cleaning mechanism is fixedly connected to a grasping mechanism, the grasping mechanism comprises a connecting platform, the surface of the connecting platform is fixedly connected to a soft layer, the inner side surface of the soft layer is fixedly connected to an elastic body, and the center position of the surface of the soft layer is fixedly connected to a flared wall. The manipulator for combined installation of electrical equipment solves the problem that a vacuum suction cup will cause water and oil mist in the air to mix to form sludge and be difficult to absorb components, and the problem of how to make the grasping force of the suction cup on the component more reliable when using the vacuum suction cup, through the coordinated use of the self-cleaning mechanism, the grasping mechanism and the adsorbent.

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 discloses an oil product decolorizing device with an oil mist removing structure, which relates to the technical field of oil refining and comprises a tank body, a cavity is arranged in the tank body, a plurality of supports are fixedly mounted at the bottom of the inner wall of the cavity and circumferentially distributed around the center line of the tank body, a filter cartridge is arranged in the cavity corresponding to the supports, and the filter cartridge is connected with the tank body. A feeding pipe, an air inlet pipe and an air outlet pipe are fixedly installed at the top of the tank body and communicate with the cavity, a first filtering box is fixedly installed at the end, away from the tank body, of the air inlet pipe, and a supercharger is arranged on the outer side, away from the tank body, of the first filtering box; the supercharger communicates with the first filter box through the connecting pipe, the end, away from the tank body, of the air outlet pipe communicates with the second filter box, the first filter box filters and dries air entering the equipment, impurities in external air are prevented from entering materials, and then the filter efficiency is improved.

The embodiment of the invention provides an oil mist absorption device and an external circulation oil system. The oil mist absorption device comprises a shell and a cooling pipe fitting. An oil mist cavity, an oil mist inlet and a breathing opening are formed in the shell, the oil mist inlet can be communicated with an oil tank, and the breathing opening is used for air intake and exhaust; the cooling pipe fitting is arranged in the shell, an oil mist flow channel is formed in the area between the cooling pipe fitting and the shell, and the cooling pipe fitting is used for cooling and condensing the oil mist in the oil mist flow channel. And the oil mist entering the oil mist cavity exchanges heat with the cooling pipe fitting in the shell, so that the condensation speed of the oil mist is greatly increased. Therefore, the oil mist absorption device provided by the embodiment of the invention has the advantages of preventing the oil mist from overflowing, reducing the cleaning frequency of the filter element and being long in service life.

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 an efficient oil mist separation device for heat pump rectification, and relates to the technical field of oil mist separation and recovery, the efficient oil mist separation device comprises an oil mist separation tank and a self-cleaning assembly, and the top end of the oil mist separation tank is fixedly provided with the self-cleaning assembly. In the using process, when the fan is shut down due to faults, after the pressure threshold value is reached in the air inlet cavity, the one-way pressure valve arranged in the safety pipeline is opened, oil mist in the air inlet cavity enters the side end of the bottom of the filter cylinder through the safety pipeline, the half cone hoppers distributed on the inner walls of the two sides of the filter cylinder in a staggered mode form a zigzag labyrinth channel, the oil mist flowing resistance is increased, and meanwhile the oil mist flowing speed is increased. When the oil mist flows in the labyrinth channel, the oil mist continuously collides and touches the lower surface of the semi-cone hopper, so that fine oil liquid in gas is adsorbed on the lower surface of the semi-cone hopper and flows back into the backflow main pipe communicated with the bottom of the oil mist separation tank through the backflow branch pipe under the action of gravity, separation and recovery of oil drops in the oil mist are realized, and the applicability is higher.

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.