484 results about "Oil mist" patented technology

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 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 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 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.

The natural gas compressor external leakage gas oil mist recovery device disclosed by the application comprises an outer cylinder, a filtering device is arranged in the outer cylinder, a bottom plate is arranged at the bottom opening of the outer cylinder, an oil mist inlet pipe is connected to the bottom plate, and a wind cap is arranged at the top opening of the outer cylinder. The natural gas compressor external leakage gas oil mist recovery device is safe and environmentally friendly, simple in structure, capable of continuously discharging waste gas while effectively recovering oil mist, and capable of eliminating the risk of oil spilling from the emptying opening of the waste oil tank to pollute the environment.

The utility model discloses a regular maintenance filter element for gas-liquid separation, which comprises a valve body and a filter material arranged in the valve body, the valve body is a hollow cylinder, the side wall of the valve body is provided with an exhaust port, the valve body is internally provided with a labyrinth reducing mechanism, one end of the valve body is covered with a movable bottom cover, and the bottom cover is provided with an oil-gas mixture inlet; the regular maintenance filter element for gas-liquid separation further comprises a compression device installed at the open end of the valve body. The compression device comprises a compression cover and an oil discharge linkage rod mounted on one side of the compression cover, and the oil discharge linkage rod faces one side of the oil-gas mixture inlet; according to the regularly maintained filter element for gas-liquid separation, the compression device is adopted to compress the filter material in the valve body, so that the filter material is promoted to discharge oil, the oil removal effect is kept good, and the problems that the filter element tends to be saturated due to continuous braking of a retarder, oil mist cannot be continuously and effectively adsorbed, and the service life of the filter element is prolonged are solved. And oil mist adsorbed in the filter element cannot flow back in time and can be discharged to the outside along with an oil-gas mixture discharged by the float valve.

The utility model relates to a mechanical-electrical integration pneumatic element practical training device, which comprises a practical training frame and a transparent plastic plate, an air source mechanism, a pneumatic carrying mechanism, a transparent cup, a pneumatic spraying mechanism and a pneumatic erasing mechanism are arranged on the practical training frame, and the air source mechanism respectively provides a high-pressure air source for the pneumatic carrying mechanism, the pneumatic spraying mechanism and the pneumatic erasing mechanism. A nozzle of the pneumatic spraying mechanism is installed in the center of the bottom of the transparent cup, and the transparent cup and the pneumatic wiping mechanism are both located below the pneumatic carrying mechanism. The beneficial effects are that through cooperation of the air source mechanism, the pneumatic carrying mechanism, the pneumatic spraying mechanism, the pneumatic erasing mechanism and the transparent cup, carrying, oil mist spraying and oil mist erasing are carried out on the transparent plastic sheet, and mutual cooperation and cooperative operation of various pneumatic elements are shown to students; and students can understand the cooperation working principle of various pneumatic elements and the working process of the system.

The invention discloses a two-stage screw compressor with a self-adaptive oil injection function. The two-stage screw compressor comprises a compressor body, a spraying device and a controller. The spraying device is mounted on the outer side of the compressor body; the compressor body is provided with a first-stage compression mechanism and a second-stage compression mechanism; the spraying device is located between the first-stage compression mechanism and the second-stage compression mechanism and used for spraying oil mist to a compression transition cavity between the first-stage compression mechanism and the second-stage compression mechanism. The spraying amount of the spraying device is adjustable; a temperature sensor is arranged in the compression transition cavity; and the controller controls the spraying device to change the spraying amount according to a signal fed back by the temperature sensor. The interstage working condition control is easier and more accurate, and the cooling effect is better.

A cleaning nozzle and an aluminum foil mill outlet flattening roller cleaning system comprise a shell, an oil inlet pipe connector, an air pipe connector, an air cap, a needle valve and other structures, an independent air cavity and an air supply pipe are matched with a control terminal, the nozzle is linearly installed on a first fixing frame and a second fixing frame, the system scale is flexibly expanded, key components are subjected to wear-resisting treatment, and the service life is prolonged. Meanwhile, sealing design is enhanced, and dismounting and maintenance are convenient. The system accurately controls oil mist composition through a control terminal and an automatic element, the functions of lubrication, cleaning and the like are achieved, and a nozzle does not need to be replaced or an additional device does not need to be used.

The application discloses a combined atomization test device, belongs to the fuel atomization technical field, and comprises an experimental seat, a steady pressure cavity, a cyclone, a fuel nozzle and an air inlet seat. The cyclone is arranged on the experimental seat and is provided with a gas passage in communication with the steady pressure cavity. The fuel nozzle is provided with an oil injection port corresponding to the cyclone and is used for injecting atomized fuel oil, so that the atomized fuel oil and the cyclone inlet gas passage outlet airflow are combined to form an oil mist field. The air inlet seat is in communication with the experimental seat, and a disturbance suppression path is formed between the air inlet seat and the experimental seat. The disturbance suppression path comprises at least two direction turning sections and is used for weakening airflow disturbance. The application avoids the instability problem caused by the fact that the airflow directly enters the cyclone in the traditional test device, and improves the repeatability of the spray field in the atomization experiment.

The invention provides active split washing circulating cleaning equipment, and relates to the technical field of industrial fluid treatment, the active split washing circulating cleaning equipment comprises a box body, a recovery assembly and a liquid outlet pipeline, and a negative pressure generation device, a liquid level regulation and control assembly and a filter screen are sequentially arranged in the box body from top to bottom; the filter screen is arranged in the middle of the box body and divides the bottom of the box body into a water purification area; the liquid level regulation and control assembly is used for controlling the liquid level of the cooling liquid in the box body to be located between the filter screen and the negative pressure generation device; the recycling assembly is connected with a collecting pipeline, and the end of the collecting pipeline penetrates through the side wall of the box body and extends to the position between the filter screen and the liquid level adjusting and controlling assembly. The liquid outlet pipeline is communicated with the bottom of the box body and is used for leading out the cooling liquid in the water purification area. According to the technical scheme, the multiple pollution problems of metal dust, oil mist and cutting fluid in a small numerical control machine tool and a machining center can be solved at the same time.

This utility model provides a condensation-type oil mist collection and treatment device, relating to the field of oil mist collection technology. It includes an oil mist treatment tank and a tank shell. A condensation component is provided on the outside of the oil mist treatment tank. An air inlet is located at the bottom of the oil mist treatment tank. An arc-shaped guide seat is provided inside the oil mist treatment tank. An annular collection groove is connected to the bottom edge of the arc-shaped guide seat. One end of the annular collection groove is connected to a liquid outlet pipe, which penetrates the surface of the oil mist treatment tank. A positioning ring is welded inside the oil mist treatment tank and is located at the top of the arc-shaped guide seat. A centrifugal motor is bolted to the bottom of the positioning ring. A dispersing blade is connected to the output shaft of the centrifugal motor. An exhaust port is located at the top of the oil mist treatment tank. Through a multi-stage treatment mechanism of condensation, centrifugal separation, and multi-layer adsorption, efficient oil mist purification is achieved. The condensation component utilizes staggered air guide holes to form a uniform cold air flow field, which, combined with the arc-shaped guide seat, optimizes the airflow path and significantly improves the oil mist liquefaction efficiency.

The application discloses a lubricating oil bucket conveying device and relates to the technical field of lubricating oil bucket conveying equipment.The guide liquid box is arranged on the lubricating oil filling machine, a physical barrier is formed at the filling moment by using the surrounding structure of the guide liquid box, the outward spraying of lubricating oil caused by high-pressure filling or air pressure fluctuation in the bucket is effectively blocked, the instant collection and directional filling of the sprayed residual oil are realized by matching the inclined flow surface and the liquid flow hole in the guide liquid box, the transportation and cleaning assembly of the return section of the chain plate conveying belt is combined, the secondary cleaning is carried out through high-pressure flushing and a rubber scraper, the stubborn problem that the surface of equipment is oily due to oil mist spraying and dripping in the lubricating oil industry is solved, the safety production hidden danger is eliminated, the dust in the bucket is cleaned on line before filling through the negative pressure dust suction assembly integrated on the handle guide column, the blank of the cleanliness control of traditional equipment before filling is filled, the impurities are prevented from mixing from the source, and the high quality and process consistency of the lubricating oil product are ensured.

An assembly for aircraft turbomachine, including a stator part, a first bearing, a second bearing and a support part in an oil enclosure delimited by an outer enclosure delimiting portion integral with the stator part, the support part including a first axial end portion forming an outer ring of the first bearing, or supporting such a ring; a second axial end portion forming an outer ring of the second bearing or supporting such a ring, a compression damping oil film being arranged between the second portion and the stator part; an intermediate ring, arranged axially between the first and second portions, and forming a flexible connection as well as an oil-spray protection element.

The utility model relates to the related technical field of bearing protection structures, in particular to a device for solving oil mist of a guide bearing of a hydropower station, which comprises a lower base and an upper base which are installed in a combined mode, and a first semi-cylindrical groove and a second semi-cylindrical groove are arranged in the upper base and the lower base respectively and used for placing the bearing and a rotating shaft respectively. A semi-circular-ring inclined groove is formed in the connecting position of the first semi-cylindrical groove and the corresponding second semi-cylindrical groove, a collecting groove is formed in the bottom of the lower base, the two ends of the collecting groove are connected with the bottoms of the corresponding semi-circular-ring inclined grooves through collecting channels, and a liquid conveying pump is arranged at the top end of the upper base. A first circulating channel and a second circulating channel are respectively arranged on the lower base and the upper base, and are matched with a liquid conveying pump and a circulating pipe to convey oil in the collecting tank into the first semi-cylindrical groove, so that leakage prevention and reutilization of oil mist are realized.

This invention discloses a water-soluble punching and shearing oil, comprising the following components in 100 parts by weight: 20.0-35.0 parts rust inhibitor; 10.0-20.0 parts lubricant; 3.0-10.0 parts surfactant; 0.5-3.5 parts bactericide and mildew inhibitor; 0.5-2.0 parts other additives; and the balance being deionized water. This punching and shearing oil can be used in various sheet metal deep drawing and punching processes. It can be diluted for use, effectively reducing users' oil costs. Simultaneously, it avoids oil mist and VOC problems caused by using oily products in the workshop, thus purifying the workshop operating environment. Parts punched and sheared using this invention have smooth surfaces, complete cuts, good gloss, and are burr-free. Processed parts are easy to clean or require no cleaning, significantly saving on overall costs such as materials, water resources, and labor.

The utility model relates to the technical field of pump bodies, in particular to a pump body lubricating system and a pump body. The pump body lubricating system comprises an oil mist distributor, a bearing box and an oil collecting box; the oil mist distributor supplies oil mist through an oil mist supply pipe, and an oil mist lubrication inlet valve is arranged on the oil mist supply pipe. The bearing box is communicated with the oil mist distributor through a first pipeline; the oil collecting box is communicated with the oil mist distributor through a second pipeline, and an oil discharge port is formed in the oil collecting box; wherein the bearing box discharges oil to the oil collecting box through a first oil discharge pipe, and a second valve is arranged on the first oil discharge pipe; an oil mist return pipe is further arranged between the bearing box and the oil collecting box, and a third valve is arranged on the oil mist return pipe; the pump body lubricating system provided by the utility model can avoid or reduce the deterioration of the lubricating effect of the bearing in the pump body.

The utility model provides a vertical oil mist purifier, which is applied to the technical field of purifiers, and has the technical scheme that the vertical oil mist purifier comprises a box body, a horizontal vortex oil mist separation device, a second-stage filtering module and a third-stage filtering module, a centrifugal fan used for generating negative pressure to suck air into the box body from the air suction opening is arranged in the box body. An air inlet communicated with the air suction opening is formed in one side of the horizontal vortex oil mist separation device, and an air outlet located in the box body is formed in the other side of the horizontal vortex oil mist separation device; an oil outlet is formed in the horizontal vortex oil mist separation device, and an oil storage tank is arranged on the box body below the oil outlet; large-particle oil mist is separated from the air through centrifugal force generated by the horizontal vortex oil mist separation device, is discharged from the oil outlet and then enters the oil storage tank; the oil mist purification device has the technical effects that through multi-stage filtration, the requirements for multi-layer interception and filtration of oil mist are met, and the purification efficiency and the purification degree are high; and the cutting fluid can be recycled.

The utility model discloses a waterless cleaning system for locomotive accessories, which comprises a cleaning room, a turnover device, a dry ice making device, a dry ice spraying device, a mobile robot and an oil mist purifying device, and the turnover device is used for fixing and turning over the locomotive accessories to be cleaned; the dry ice spraying device is used for mixing granular dry ice and compressed air and spraying the mixture to the locomotive accessories to be cleaned so as to clean the 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 present disclosure relates to a cooking apparatus. The cooking apparatus according to an embodiment of the present disclosure comprises: a cavity in which a cooking chamber is defined; a housing covering at least a portion of the cavity; a heating chamber configured to generate steam supplied to an inner space of the cavity; and a tank assembly including a tank storing water for steam generation supplied to the heating chamber and an oil mist remover configured to remove oil mist from gas discharged from the cavity, in which the tank assembly is detachably coupled to an outer portion of the cavity.

The invention relates to an oil mist lubrication system of a horizontal rotary jet pump, and belongs to the technical field of rotary jet pumps, the oil mist lubrication system comprises a bearing box, a bearing end cover, an impeller, a sealing cover and a flow guide assembly, the bearing end cover is fixedly arranged at the end of the bearing box, the impeller is arranged in an impeller cavity, and the flow guide assembly is used for conveying a medium; the pump further comprises a pump shaft, a front bearing and a rear bearing, and the pump shaft is rotationally arranged in the bearing box through the front bearing and the rear bearing; the lubricating system further comprises a first oil mist lubricating pipeline, a second oil mist lubricating pipeline and a lubricating oil mist oil return pipeline. The first oil mist lubricating pipeline is used for cooling the front bearing, penetrates through the front bearing from the outer side of the front bearing and then enters the bearing box from the rear side of the front bearing; the second oil mist lubricating pipeline is used for cooling the rear bearing, enters the rear bearing from the side, close to the bearing end cover, of the rear bearing and enters the bearing box; and the lubricating oil mist return pipeline conveys the cooled lubricating oil mist back to the oil storage tank. The bearing lubricating device has the advantage that the bearing lubricating effect is improved.

The utility model discloses a label with an anti-scratch function, which relates to the technical field of labels and comprises label card paper, wear-resistant layers are connected to the front side and the rear side of the label card paper in a magnetic attraction manner, fixing plates are integrally arranged on the left side and the right side of the label card paper, and extension plates are integrally arranged on the left side and the right side of each wear-resistant layer. The extension plates are adhered to the surface of the fixing plate through hook-and-loop fasteners, first flexible magnetic strips are integrally connected to the front side and the rear side of the label paperboard, the abrasion-resistant layers comprise PET layers and UV oil mist layers, the UV oil mist layers are surface layers, the PET layers are inner layers, and the PET layers are tightly attached to the surface of the label paperboard. The two wear-resistant layers are matched with the label card paper to form a double-layer sandwich design, the label card paper in the middle can be effectively protected from being scratched, the wear-resistant layers adopt a double fixing mode of magnetic attraction and hook-and-loop fastener bonding, the fixing effect is improved, and meanwhile follow-up disassembly, assembly and replacement are facilitated.

The invention discloses an oil-gas separation labyrinth device of a liquid-cooled motor. The oil-gas separation labyrinth device is detachably and fixedly arranged in an end cover, provided with a ventilation valve, of the liquid-cooled motor. The oil-gas separation device comprises an upper cover and a bottom cover which are buckled with each other, the bottom cover is provided with at least two circles of lower oil retaining rings, the upper cover is provided with at least two circles of upper oil retaining rings, and when the upper cover and the bottom cover are buckled with each other, the upper oil retaining rings are inserted into gaps of the lower oil retaining rings to form a labyrinth inner cavity with multiple circles of oil-gas separation channels; and the labyrinth device formed by buckling the upper cover and the bottom cover is detachably and fixedly connected with the end cover through the bottom cover. The oil-gas separator overcomes the defects that in the prior art, an oil-gas separation path is too short, the replacement cost is too high when the oil-gas separator is arranged on an end cover, and the like, the multi-stage S-shaped roundabout air duct is formed by the upper oil deflector ring and the lower oil deflector ring, the collision frequency is increased while the oil mist path is prolonged, and the condensation separation efficiency is improved to 95% or above.

1. Name of the product in this design: Oil mist lubrication pump (large circular machine). 2. Purpose of this design: This design is used to inject lubricating oil into lubrication points to lubricate mechanical friction pairs. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This utility model proposes a maintenance-free vacuum machine, comprising: a spiral central shaft and a cylinder. The central surface of the spiral central shaft has a spiral structure. The cylinder is installed in conjunction with the spiral central shaft, and the contact surfaces of the two are fitted together to ensure that no lubricating oil enters the cylinder, avoiding problems such as oil carbonization, emulsification, and contamination. There is no need to replace the filter element, add lubricating oil, or stop the machine for maintenance regularly, which greatly reduces the operation and maintenance costs. The outer periphery of the cylinder is provided with a first water-cooling jacket, which is connected to an external cooling device through cooling pipes. It is used to cool the cylinder with circulating water, keeping the operating temperature at 30-40℃, effectively slowing down component aging, extending equipment life, and eliminating the risks of high-temperature burns, lubricating oil leakage, and mechanical jamming, reducing safety hazards for operators. Exhaust gas is discharged directly without oil mist pollution. The water cooling system reduces water waste through closed-loop circulation, which meets the requirements of green manufacturing.

The invention discloses a ventilation device for preventing oil liquid in a bearing box from dripping outwards, which comprises a shell with an inner cavity, a cavity partition plate with a first gas discharge through hole is arranged in the shell, and the cavity partition plate divides the inner cavity of the shell into a gas discharge cavity and an oil mist filtering cavity which are communicated up and down; an oil mist filtering mechanism forming a spiral oil mist filtering channel is arranged in the oil mist filtering cavity, an oil mist leading-in mechanism and a lubricating oil recycling mechanism are arranged at the lower end of the shell, and the spiral oil mist filtering channel is communicated with the bearing box through the oil mist leading-in mechanism and the lubricating oil recycling mechanism; and a second gas discharge through hole communicated with the outside is formed in the side wall of the gas discharge cavity. The motor bearing box can effectively solve the problems that oil mist escapes outwards and oil drips outwards, consumption of lubricating oil is reduced, and meanwhile the motor bearing box has the advantages of being exquisite in structure and free of cooperation of an external power source.

This invention discloses an online detection system and method for yarn hairiness in texturing machines based on machine vision, belonging to the field of textile automation detection technology. The system includes a pneumatic yarn guiding and cleaning unit, a dual-band color difference imaging unit, and an image processing unit. The pneumatic yarn guiding and cleaning unit utilizes an airflow guiding structure to generate a high-speed laminar flow parallel to the optical window. This high-speed laminar flow simultaneously performs the functions of cleaning the window and constraining the yarn within an air cushion layer using hydrodynamic pressure. The dual-band color difference imaging unit utilizes axial color difference characteristics to focus the first band on the window surface and the second band on the air cushion layer. The image processing unit uses the first band data to quantify the features of deposits on the window surface and performs pixel-level suppression on the second band data accordingly. This invention solves the imaging detection problem caused by the coupling of yarn vibration and stain interference in the high-speed oil mist environment of a texturing machine through the physical coupling of pneumatic constraint and spectral layering.

The oil mist purification device comprises an oil mist breathing mechanism and a collecting mechanism, the oil mist breathing mechanism comprises a pipe body and a first adsorption assembly, the first adsorption assembly is arranged in the pipe body, and the pipe body is suitable for being arranged on an oil groove and communicating with the interior of the oil groove; the collecting mechanism comprises a collecting pipe, a collecting shell and a second adsorption assembly, the collecting pipe is communicated with the pipe body and the collecting shell, the second adsorption assembly is arranged on the collecting shell, and the oil mist in the pipe body enters the collecting shell through the collecting pipe after passing through the first adsorption assembly; and the oil mist is stored in the collecting shell after being filtered again by the second adsorption assembly in the collecting shell. According to the oil mist purification device for the water-turbine generator set, the purification and collection effects are good, and oil mist is not prone to escaping.

The invention relates to the technical field of cutting oil, and discloses titanium alloy trace cutting oil and a preparation method thereof.The titanium alloy trace cutting oil comprises synthetic base oil, an extreme pressure anti-wear agent, an antioxidant, a copper corrosion inhibitor, an oil mist resisting agent and a pour point depressant; the viscosity of the synthetic base oil at 40 DEG C is 2-8 cSt; the viscosity of the titanium alloy trace cutting oil at 40 DEG C is 8-12 cSt. By selecting the low-viscosity synthetic base oil and adding the high-molecular flowability improver, the overall viscosity of the oil product is remarkably reduced, the low-temperature flowability and the atomization performance of the oil product are improved, and the oil product can smoothly pass through a fine spray head and a pipeline in a minimal quantity lubrication system; and the problem of nozzle blockage caused by high viscosity and poor flowability of the oil product is effectively solved.

The invention provides an oil field natural gas tail gas recovery device. The oil field natural gas tail gas recovery device comprises a base, the base is in a right trapezoid shape, the inclined face of the base faces downwards, the top end of the base is fixedly connected with a supporting frame, the top end of the supporting frame is fixedly connected with a refrigeration part, and a condensation part is arranged on the refrigeration part. According to the oil field natural gas tail gas recovery device, the four sets of spiral condensation pieces are evenly distributed on the outer circular face of the connecting column, the condensation pieces penetrate through the inserting grooves of the collecting pipe to form an inner and outer double-layer contact structure, cooling liquid in the closed cavity is matched, the condensation pieces are fully wrapped through the circulation grooves, and the heat exchange efficiency of the condensation pieces is greatly improved; meanwhile, the spiral structure enables the tail gas to form rotational flow in the collecting pipe, the contact time of the tail gas and a condensation face is prolonged, oil mist and water vapor in the tail gas are fully condensed and separated out, the tail gas liquid removal efficiency and effect are effectively improved, liquid drops are rapidly collected and slide down through uniform arrangement of the multiple sets of liquid drainage grooves, and it is avoided that a liquid film is formed to affect heat exchange.