226 results about "Roughing filter" patented technology

The invention relates to the technical field of engine oil filters, in particular to a multistage filtering engine oil filter which comprises a shell, a filter paper frame is coaxially arranged in the shell, the surface of the filter paper frame is coaxially sleeved with a rough filtering inner sleeve, and the surface of the rough filtering inner sleeve is movably sleeved with a rough filtering outer sleeve capable of moving up and down. First filter holes for rough filtration are uniformly distributed in the surfaces of the rough filtration inner sleeve and the rough filtration outer sleeve, the rough filtration outer sleeve moves up and down to enable the first filter holes in the rough filtration outer sleeve and the first filter holes in the rough filtration inner sleeve to be in a staggered closed state, a lower opening is formed in the lower end of the shell, and a collecting cover is coaxially mounted at the lower end of the shell; the invention aims to solve the problem that after the bypass valve of the engine oil filter is opened, impurities attached to filter paper are easily separated from the filter paper and flow to the positions of all oil-consuming parts of an engine through the bypass valve along with engine oil.

The utility model discloses a water-free humidifying oxygen generator which comprises an oxygen generating box, an air inlet is formed in the left side of the oxygen generating box, a high-pressure fan is installed in the oxygen generating box body and corresponds to the air inlet in position, a coarse filter is installed on the right side of the high-pressure fan, a compressor is installed on the right side of the coarse filter, and a water outlet is formed in the right side of the compressor. The right side of the compressor is connected with a condenser, the right side of the condenser is provided with an atomizer, the atomizer is connected with an air outlet pipe, and the oxygen generation box is provided with a controller. According to the oxygen generator, water vapor in compressed air is condensed and separated out through the condenser, condensed water drops are changed into mist through the atomizer, the problem that oxygen prepared by the oxygen generator is dry is solved, meanwhile, a humidifying cup does not need to be externally connected, dirt is prevented from being left after water in the humidifying cup is treated, the cleaning cost is reduced, and the cleaning efficiency is improved. Equipment performance fluctuation caused by water evaporation or temperature change is avoided, and the running stability of the oxygen generator is improved.

The present invention relates to a water sampling immersion probe (50) for continuously filtering a water sample from wastewater (14). The water sampling immersion probe (50) includes a distal coarse filter (60) with a porosity of 0.1 to 1.0 mm, a proximal fine filter (70) arranged downstream of the coarse filter (60) and having a porosity of less than 5.0 μm, and a sample suction opening (74) arranged downstream of the fine filter (70). The coarse filter (60) is arranged to not contact the fine filter (70).

The invention relates to a carport comprising a support structure (10) and a roof structure (14) supported by the support structure (10). The carport is equipped with a water reservoir (26) in the support structure (10), and the roof structure (14) has a gutter and / or channel system (25) connected to the water reservoir (26). The roof structure (14) has a maintenance walkway (12) at its lowest roof level, to which rainwater flows from the roof structure (14) and which is connected to the water reservoir (26) via the gutter and / or channel system (25). The roof structure (14) is equipped with mounting devices for securing solar panels (11).The invention is characterized in that the maintenance passage (12) is designed as a coarse filter (30) which is arranged in the direction of water flow upstream of an inlet to the channel and / or duct system (25), and that a fine filter (35) is arranged in the channel and / or duct system (25) between the inlet and the water reservoir (26), which filters out smaller particles than the coarse filter (30).

The invention relates to the field of leather wastewater treatment, and discloses a leather wastewater multi-stage filtration and recovery treatment system, which comprises a primary treatment tank, one side of the primary treatment tank is fixedly provided with a rough filtration chamber, and the interior of the rough filtration chamber is fixedly provided with an inclined mesh cylinder; a slag conveying pipe which is obliquely arranged is fixedly mounted in the middle of the interior of the mesh cylinder, the tail end of the slag conveying pipe extends to the exterior of the rough filtration chamber, a conveying auger is fixedly mounted on the outer diameter of the rotating shaft, and a slag opening is formed in the side, located in the mesh cylinder, of the top end of the slag conveying pipe; a slag scraping brush is fixedly mounted in the middle of the top end of the mesh cylinder, and a secondary treatment tank is fixedly mounted on the other side of the primary treatment tank. Through three-stage progressive filtration and combination of automatic slag removal and backwashing design, the treatment load is reduced, stable operation of the system is guaranteed, maintenance is simplified, the leather wastewater treatment efficiency and the effluent quality are greatly improved, and efficient recovery is realized.

The invention relates to the technical field of power plant monitoring equipment, and discloses an abnormity monitoring device and system for deep cleaning of a wind power plant unit water cooling system, which comprises a multifunctional anti-corrosion water tank, a large-flow pulse type anti-corrosion flushing pump, a connecting assembly and a monitoring assembly, a three-stage filtering system, a temperature control assembly and a liquid level detection component are arranged in the multifunctional anti-corrosion water tank, the three-stage filtering system is sequentially provided with a rough filtering filter screen, a fine filtering filter screen and a self-cleaning filter screen in the flowing direction of cleaning liquid, and the self-cleaning filter screen is provided with a back washing spray head in a matched mode. Through full coverage of monitoring dimensions, various types of anomalies such as flow, concentration, corrosion, leakage and filter screen state can be identified, especially hidden anomalies such as early corrosion and trace leakage of a pipeline, equipment damage is avoided, early warning and response are automatic, occurred anomalies can be rapidly identified through real-time early warning, potential risks can be prompted in advance through pre-judgment early warning, and the early warning efficiency is improved. Automatic response can reduce manual intervention and improve cleaning efficiency.

The utility model discloses a ship flue gas collector filtering device, the flue gas collector is used for collecting waste gas in a ship flue, the filtering device comprises a coarse filter arranged in a sampling gas path, the coarse filter can filter the collected flue waste gas, the coarse filter is used for filtering smoke dust and tar in the waste gas, and the coarse filter is used for filtering the smoke dust and tar in the waste gas. The filter paper provides a larger contact area so as to prolong the service life; and the filter paper can also be fixed between the filter element and the sampling port (airflow inlet) by utilizing elastic force generated by the wave shape.

The invention discloses a biodiesel filtering system and method and a mining excavator, and the system comprises a filling pipeline which is connected between a refueling vehicle and a vehicle oil tank, and is provided with a diesel coarse filter; the filtering pipeline comprises a first pipeline and a second pipeline, the first pipeline is connected between a vehicle oil tank and an engine, an oil-water separator, a fuel oil primary refined filter, a fuel oil water-containing sensor and a three-way electromagnetic valve are sequentially installed on the first pipeline, the second pipeline is connected between the three-way electromagnetic valve and the engine in parallel, and a fuel oil secondary refined filter is installed on the second pipeline; the oil-water separator comprises a fuel lift pump, a water level sensor and a water discharge electromagnetic valve; and the vehicle control unit is respectively connected with the water level sensor, the water discharge electromagnetic valve, the fuel oil water content sensor, the three-way electromagnetic valve and the instrument. According to the invention, real-time and accurate detection of the water content of the biodiesel is realized, the filtering level of refined filtration of the biodiesel can be adjusted in time, and the quality of the biodiesel entering an engine is accurately controlled.

The utility model discloses off-line integrated filtering and purifying equipment, which relates to the technical field of oil product purifying equipment and comprises a vacuum filtering mechanism, a purifying and filtering mechanism, a vacuum tank, a vacuum pump, a condensing pipe assembly, an oil drain pump and a heating pipe assembly. An oil product enters the first heating pipe from the oil inlet pipe to be preheated and then enters the coarse filter, and the first heating pipe can effectively reduce the kinematic viscosity of the oil product, so that the oil product runs more smoothly after entering the coarse filter subsequently, and the oil product purification rate can be effectively increased; the oil product enters the second heating pipes to be heated after passing through the coarse filter and then is fed into the vacuum tank to be subjected to vacuum oil filtering treatment, and in the heating treatment process of the oil product through the multiple second heating pipes, contact between the oil product and the heating component is more uniform, so that the oil product is heated more uniformly; therefore, the temperature of the oil entering the vacuum tank is more uniform, and the vacuum oil filtering treatment effect of the oil is improved.

The utility model relates to the technical field of internal combustion engines, in particular to a quick disassembling and assembling device for an internal combustion locomotive air filter. The lifting table can be fixedly or movably mounted above the secondary multi-cyclone pipe type coarse filter; the top of the lifting table is connected with the lower part of a mounting plate of the air filter; according to the lifting table, fixing supports are installed above the two-stage multi-rotational-flow-pipe type coarse filter, a folding rod hinge structure is adopted between the fixing supports, and a lead screw driving shaft is arranged in the middle of the fixing supports. And the limiting stopper is fixed above the mounting plate and is connected with the box body. According to the device, the air filter mounting plate can be quickly adjusted to ascend or descend through the lifting platform mounted above the secondary multi-cyclone pipe type coarse filter, so that the air filter is convenient to replace, the overhaul and maintenance efficiency is improved, and the personal safety is guaranteed.

The invention provides a power assembly and an electric vehicle, a shell of the power assembly comprises a first shell body, a second shell body and an oil passing groove, and a space defined by the first shell body and the second shell body is used for containing at least one of a driving motor or a speed reducer of the power assembly. The end face, in the axial direction of the driving motor, of the first shell is connected with the second shell. The oil passing grooves are distributed in the end face of the first shell, and the second shell is used for sealing the oil passing grooves. The oil passing groove is used for transmitting oil to the containing groove of the shell of the power assembly through the oil outlet hole of the oil passing groove. The containing groove is used for containing at least one of a coarse filter, an oil pump or a fine filter of the power assembly. The oil outlet hole penetrates through at least one of the groove wall or the groove bottom of the containing groove. According to the power assembly, the oil passing groove used for transmitting oil is formed in the end face of the first shell, the oil passing groove can replace part of an internal oil duct of the power assembly, and the negative influence of the internal oil duct formed through machining on oil transmission can be reduced.

The invention discloses a vacuum oil filter, and relates to the field of oil filters, the vacuum oil filter comprises a coarse filter barrel, and a filter plate I and a filter plate II which are symmetrically and movably arranged at the upper end in the coarse filter barrel, and the opposite side surfaces of the filter plate I and the filter plate II are both provided with scraping mechanisms; a transmission mechanism driving the scraping mechanism to operate penetrates through the middle of the scraping mechanism, and a motor providing driving force for the transmission mechanism is fixedly arranged at the top end of the transmission mechanism. A first rotating shaft is driven by a motor to rotate, a first sliding block and a second sliding block are driven to slide along a first guide groove and a second guide groove correspondingly, and a second sliding rod generates axial reciprocating motion and intermittent rotation; the scraping rod and the scraping block rotate to scrape oil sludge on the surfaces of the first filtering plate and the second filtering plate, impurities are sucked into the filtering box through a negative pressure channel formed by the fixing block, the cavity in the side wall of the scraping rod, the hose and the inner cavity of the roller, automatic cleaning and impurity transferring of the filtering plates are achieved, and blocking is effectively prevented.

The utility model discloses a liquid pesticide coarse filtering device for a laboratory, and relates to the technical field of experimental apparatuses. The device comprises a filtering unit and a collecting unit, the filtering unit comprises an upper pressing plate, a lower pressing plate and a filter screen, the upper pressing plate is in a circular ring shape, an upper groove is formed in the lower side of the upper pressing plate, the lower pressing plate is in a circular ring shape and is the same as the upper pressing plate in size, a lower groove is formed in the upper side of the lower pressing plate, the lower groove corresponds to the upper groove, and the filter screen is arranged in the lower groove. The upper pressing plate is located over the lower pressing plate, the filter screen is installed between the upper pressing plate and the lower pressing plate, and the filter screen is located in the upper groove and the lower groove. Through cooperation of the filtering unit and the collecting unit, the device can perform coarse filtration on the liquid pesticide more quickly, so that the time is well saved, and the filtering efficiency of the liquid pesticide is improved.

The utility model discloses a self-closing antibacterial air filter. The self-closing antibacterial air filter comprises an outer shell, an air inlet and an air outlet, wherein the air inlet and the air outlet are formed in the outer shell; a first butt joint plate is mounted on the outer wall of the top of the outer shell, and a top plate is arranged above the outer shell; a first filter screen, a second filter screen, a third filter screen and a fourth filter screen which can filter air are arranged on the inner side of the outer shell; a first drainage plate is arranged between the first filter screen and the air inlet, a second drainage plate is arranged between the air outlet and the fourth filter screen, second butt joint plates are welded and fixed to the left side and the right side of the top plate, and bolt holes are formed in the second butt joint plates and the first butt joint plates. According to the self-closing antibacterial air filter, the first filter screen comprises the fixed frame, the antibacterial layer, the fine filter layer and the rough filter layer, and the antibacterial layer, the fine filter layer and the rough filter layer are sequentially arranged from left to right, so that after air enters, dust removal and sterilization treatment can be performed on the air firstly, and circulation of bacteria in the outer shell is reduced.

The utility model discloses a purification device for cosmetic production, and relates to the technical field of cosmetic purification, the purification device comprises a purification box, a filter cartridge is arranged in the purification box, a disassembly assembly is arranged outside the filter cartridge, the disassembly assembly comprises two fixing blocks and two connecting blocks, the two fixing blocks are fixedly connected with the interior of a purification box, the two connecting blocks are fixedly connected with the outer surface of a filter cartridge, the interiors of the two fixing blocks are slidably connected with the outer surfaces of the two connecting blocks, and two supporting plates are fixedly connected to the inner wall of the purification box. Through cooperation of the purification box, the filter cartridge, the dismounting assembly and the opening and closing door, limiting of the filter cartridge can be quickly relieved, a rough filter layer, a middle filter layer and a static filter layer can be taken down to be cleaned after the filter cartridge is taken out from the interior of the purification box, convenience and rapidness are achieved, the dismounting effect is greatly improved, and it is guaranteed that cleaning is sufficient and thorough.

The organic silicon rubber filtering device comprises a filtering box body, a buffer tank is arranged at the top of the filtering box body, the buffer tank penetrates through the top surface of the filtering box body, and a screen is arranged in the buffer tank; a rough filtration frame is arranged in the middle of the interior of the filter box body, a conical rough filtration screen mesh is arranged on the rough filtration frame, a gear ring is arranged on the outer circular wall surface of the rough filtration frame, a motor is fixedly arranged on the outer wall of the filter box body, a driving gear is arranged on a driving shaft of the motor, and the driving gear is meshed with the gear ring; a fine filter cartridge is arranged in the filter box body below the rough filter frame, the fine filter cartridge comprises an inner-layer ceramic filter cartridge and an outer-layer glass fiber filter cartridge, and a circle of annular net is arranged on the periphery of the bottom surface of the fine filter cartridge; and an adsorption cylinder is arranged at the bottom of the filter box body below the fine filter cylinder. By the adoption of the structure, the defects in the prior art can be overcome, efficient purification, precise filtration and maximum recycling of organic silicon waste filter rubber are achieved, and therefore the increasingly strict environmental protection regulation requirements are met, and green sustainable development is promoted.

The present invention discloses a mobile hydraulic oil filter, comprising a hand-propelled walking frame, a casing and a cleaning system arranged in the casing, the cleaning system comprising an oil tank and an oil return cleaning component and an oil replenishing component connected to the oil tank; the oil return cleaning component comprises an oil return pipe connected to an external device and a first coarse filter, an oil return hydraulic pump component, a first fine filter and a second fine filter connected in sequence to the rear end of the oil return pipe, the oil outlet of the second fine filter is connected to the oil return port of the oil tank; the oil replenishing component comprises an oil replenishing pipe connected to an external device and a fourth fine filter, a third fine filter, an oil replenishing hydraulic pump component and a second coarse filter connected in sequence to the rear end of the oil replenishing pipe, the oil inlet of the second coarse filter is connected to the oil replenishing port of the oil tank; the mobile hydraulic oil filter of the present invention can replenish oil to the hydraulic system, can filter the hydraulic oil and lubricating oil of the hydraulic system, etc., and has good flexibility and is easy to use.

The present invention relates to a long-lasting dual water separation device applied to a fuel coarse filter, which includes a tank body, an upper cover unit assembly sealingly connected to the upper part of the tank body, and a water collecting cup sealingly connected to the lower part of the tank body. A drain valve assembly is provided at the lower end of the water collecting cup. A three-stage water separation filter element assembly is arranged in the inner cavities of the tank body and the upper cover unit assembly. A centrifugal water separation support assembly is arranged between the tank body and the water collecting cup. By adding a pre-separation structure for water, this device not only reduces the pressure on the water removal layer of the filter element, but also improves the water separation efficiency of the entire filter.

The invention relates to the related technical field of health information monitoring, and discloses integrated health information monitoring equipment and a use method thereof, the equipment comprises a monitor body, and the monitor body is internally provided with an air inlet end, a processing assembly, a condenser, a sensor, a fan and an air outlet end in sequence. The treatment assembly comprises a shell, a cavity unit capable of rotating in the circumferential direction is arranged in the shell, a baffling channel is formed in the cavity unit, and a filtering assembly with a filtering state and a cleaning state is arranged on the baffling channel. The filtering assembly comprises a first arc-shaped filtering plate forming a rough filtering unit and a second arc-shaped filtering plate forming a fine filtering unit. The cavity unit is driven by the driving assembly to rotate, so that the filtering assembly is switched between the filtering station and the cleaning station; the filter resistance change is detected through the differential pressure detector, and when the filter assembly is located at the cleaning station, the cleaning assembly applies reverse airflow to the filter assembly for cleaning.

The present invention discloses an integrated device for tightening, gluing and detecting a plastic shell cyclone coarse filter, comprising a frame-type frame, in which a supporting mechanism for supporting the internal structure of the plastic shell cyclone coarse filter, a tightening mechanism for tightening the upper nut of the central axis of the plastic shell cyclone coarse filter, a gluing mechanism for spraying glue on the inner surface of the side wall at the circumferential edge of the connecting plate of the plastic shell cyclone coarse filter, a pressing mechanism for pressing the edge top of the connecting plate of the plastic shell cyclone coarse filter, and a detection mechanism for detecting the smoothness of rotation of rotating blades are arranged. The present invention completes the three operations of tightening nuts, spraying glue and detecting rotating blades through mechanical operations, thereby improving the consistency of products, avoiding defects such as inconsistent quality and missed detection caused by manual operations, improving product quality as a whole, reducing labor intensity, and greatly improving work efficiency.

The utility model discloses a rough filtration structure of a gearbox of a backhoe loader. The rough filtration structure comprises a box body, a rough filter, a bolt, a spring washer, a paper pad, an O-shaped ring and an oil suction pipe, the rough filter comprises an outer cover plate, a magnet, a filter screen and an inner end cover, all the parts are firmly bonded through high-strength glue, the rough filter is locked at the bottom in the box body through four sets of bolts and spring washers, and a paper pad is assembled between the rough filter and the box body to ensure sealing; a fixing plate is welded to the upper end of the oil suction pipe and locked on the box body through two sets of bolts and elastic pads, a baffle is welded to the lower end of the oil suction pipe, and O-shaped rings are assembled between the upper end and the lower end of the oil suction pipe and the rough filter so as to ensure sealing. The filter screen is simple and compact in structure, good in filtering effect and convenient to maintain, and solves the problems that a circular plane filter screen in the prior art is poor in filtering effect, the surface of the filter screen is easily blocked by foreign matters and is difficult to maintain and clean, so that a pressure reducing valve and an electromagnetic valve are blocked, and a gearbox has no gear.

The invention relates to the technical field of water filtering, in particular to a water filtering device applied to a coffee maker and a filtering method thereof.The water filtering device comprises a coffee maker body, a filtering box and a coarse filter cartridge, the filtering box is fixedly installed on the coffee maker body through bolts, and a water pump is fixedly installed at the bottom end in the filtering box through bolts; a coarse filter cylinder is arranged on one side of the water pump on the filter box, a fine filter cylinder is arranged on one side of the coarse filter cylinder far away from the water pump in the filter box, a reverse osmosis cylinder is fixedly mounted on one side of the fine filter cylinder far away from the coarse filter cylinder in the filter box, and a rotating box is fixedly mounted at the center of the bottom of the coarse filter cylinder on the filter box through a bolt. A rotating rod rotates to drive a half gear to rotate, the half gear drives a movable column on a rack plate to press downwards to accumulate force on a telescopic spring, the telescopic spring accumulates force to drive the movable column, a movable rod and an arc-shaped movable rod to knock a base ring at intervals, and impurities stuffed into holes in a filter plate are vibrated and fall off during back-and-forth flushing; impurities can be conveniently discharged, and the cleanliness of a water source is improved.

The utility model discloses a rail work vehicle fuel oil cleaning device which comprises an oil tank used for storing fuel oil, an oil feeding pipe and a fuel oil cleaning device, one end of the oil feeding pipe is located in the oil tank, the other end of the oil feeding pipe is communicated with an oil pump, a coarse filter is arranged at the end of the oil feeding pipe in the oil tank, and the fuel oil cleaning device comprises an oil return pipe and a high-frequency oscillator. The inlet end of the oil return pipe is located below the fuel level in the oil tank, the outlet end of the oil return pipe is located in the oil tank, and the filter, the oil return pump and the high-frequency oscillator are arranged on the oil return pipe and below the fuel level in the oil tank. According to the cleaning device for the rail operation vehicle, impurities in the oil tank are actively filtered and cleaned through the cleaning device, adsorption and sedimentation of the impurities in the oil tank are further reduced, the quality of fuel oil is improved, the cleaning period of the oil tank is prolonged, clean fuel oil is finally provided for an internal combustion engine, and railway transportation safety is guaranteed.

The utility model relates to the technical field of air purification, and discloses an air sterilization device which comprises a device body, pulling handles are arranged on the two sides of the device body, mounting grooves are formed in the front end and the rear end of the device body, supporting blocks are arranged on the two sides of the interior of the device body, and a sterilization block is arranged in the middle of the inner side of the device body. A stable side block is arranged on the inner side surface of the sterilization block; a coarse filter plate is arranged at the top end of the stable side block; a fitting top plate is arranged at the top end of the sterilization block; a device top plate is arranged at the top end of the device main body; a fixing rotary knob is arranged on the inner side of the attaching side block, an air inlet pipe is arranged at the top end of the device top plate, a draught fan is arranged on the inner side of the air inlet pipe, fine filter plates are arranged at the front end and the rear end of the device body, and the device body and the fine filter plates are arranged, so that the device is convenient to disassemble, overhaul and replace.

The utility model belongs to cutting fluid processing equipment technical field especially relates to a kind of cutting fluid circulation purification utilization device for coupling machining, including workbench, the middle position of workbench is equipped with waste liquid outlet, the bottom of workbench is equipped with filter box, and compression mechanism, oil dirt removal mechanism and fine filter mechanism are equipped in filter box.The cutting fluid circulation purification utilization device for coupling machining, by the design of compression mechanism, can be extruded after the treatment of the fluffy debris after rough filtration, while the volume of extruded debris is smaller, reduces storage and transportation cost, improves the convenience and recovery rate of waste scrap recycling, the inclined design of rough filter plate also improves rough filtration effect, simultaneously, the centrifugal treatment of oil dirt removal mechanism and air floatation method combined fine filter mechanism can more effectively remove oil dirt and small impurities in cutting fluid, significantly improve purification degree, prolong the service life of cutting fluid, reduce cost, also can improve coupling machining precision and surface quality, enhance product competitiveness.

The utility model belongs to the technical field of vehicle urea solution concentration detection equipment, and particularly relates to vehicle urea solution concentration detection equipment which comprises a bottom plate, a hinging frame is mounted at the bottom of the bottom plate; a telescopic assembly is hinged to the hinge frame. The bottom of the telescopic assembly is rotationally connected with a sampling assembly; the driving assembly comprises a sampling barrel; a fine filtering plate is mounted in the sampling barrel; a driving shaft is rotationally connected to the fine filtering plate; a worm wheel blade is mounted on the driving shaft; a rough filter screen is mounted at the bottom of the sampling barrel; the fine filter plate can effectively filter out small-particle impurities in a solution to ensure that a sample entering the detection equipment is purer, so that interference of small particles on a detection instrument can be reduced, the concentration detection accuracy is improved, meanwhile, the coarse filter screen and the fine filter plate are combined for use, impurities of different sizes can be more comprehensively filtered out, and the detection efficiency is improved. The purity of the sample is further ensured.

The utility model discloses a gravity-type aeration dissolved oxygen fine filter, comprising: a plurality of fine filter tanks arranged on the outer peripheral side of a dissolved oxygen water tank, a dissolved oxygen component and a coarse filter component arranged inside the dissolved oxygen water tank, the dissolved oxygen component comprising: a water inlet pipe arranged on the upper part of the dissolved oxygen water tank, a driving device arranged on the top of the dissolved oxygen water tank, an output end of the driving device connected to a driving shaft, a water distribution frame arranged on the outer peripheral side of the driving shaft, a water guide channel arranged below the water distribution frame, the lower end of the water guide channel connected to a water storage chamber, a plurality of coarse filter plates arranged in sequence from top to bottom at the lower part of the dissolved oxygen water tank, and a water purification chamber arranged above the coarse filter plate. The driving device drives the driving shaft to rotate, thereby driving the transmission shaft to rotate at a high speed, which can promote the water flow in the water inlet pipe to accelerate the flow, improve the water purification treatment efficiency, and the driving shaft drives the water distribution frame to rotate at a high speed to quickly break up the water flow, and the water splash after being broken up effectively increases the dissolved oxygen content in the water.

The utility model provides a recycling device of hydraulic fluid in casing die casting process, including main part, the top fixed connection of main part has filter cooling assembly and hydraulic assembly, the side fixed connection of main part has control assembly. The utility model discloses through utilizing the liquid level sensor and temperature sensor set up in oil tank interior, can be used for real -time monitoring the liquid level and temperature of hydraulic fluid, and Y type filter and high -precision filter core can be in front of hydraulic fluid entering hydraulic system, to the hydraulic fluid carries out rough filter and fine filter to remove impurity and particulate matter, ensure the cleanliness of hydraulic fluid, utilize the cooperation of circulating fan and tubular heat exchanger, can through cooling water or air to hydraulic fluid carries out cooling, circulating fan is used for accelerating the cooling process, keeps hydraulic fluid in the suitable working temperature range, through multistage filtration and cooling system, effectively prolongs the service life of hydraulic fluid, reduces the replacement frequency, reduces production cost.

The utility model belongs to the technical field of mine trucks, and provides an integrated installation device of a methanol fuel supply unit, which comprises an integrated support, a groove-shaped plate and a hoop, the integrated support comprises a frame installation section, a first bending section and a second bending section which are integrally formed, the frame installation section is connected with a frame, and the groove-shaped plate is connected with the hoop. The two ends of the first bent section are perpendicular to the frame mounting section and the second bent section respectively, and the second bent section is used for mounting a methanol pump; the groove-shaped plate is vertically arranged on the first bending section; the hoops are connected with the groove-shaped plate; and the two hoops are symmetrically arranged and are respectively used for mounting a methanol coarse filter and a methanol fine filter. According to the utility model, the methanol pump, the methanol coarse filter, the methanol fine filter and related pipelines are integrally arranged and mounted at one position, so that the integration level is higher, the structure is more compact, and the connecting pipelines are shortened, thereby expanding the applicable whole vehicle scene.

A mine wastewater recycling treatment system, including filter box, filter box top end is equipped with rough filter assembly, filter box bottom end is symmetrically connected and communicated with the shunt hopper, the shunt hopper is equipped with aeration assembly, two shunt hoppers are fixed between the partition, the both sides of filter box are symmetrically fixed with the sedimentation tank, the open end of sedimentation tank is fixed with the first screen, the first screen is equipped with the telescopic plate assembly, the gap between the open end vertex of sedimentation tank and telescopic plate assembly, one end of telescopic plate assembly is movably connected with the side wall of sedimentation tank, the reciprocating transmission assembly is arranged in the partition, the end of two telescopic plate assemblies away from the sedimentation tank is movably connected with the reciprocating transmission assembly, the bottom of two shunt hoppers is fixedly connected and communicated with a mixing tank, the double-shaft motor is fixedly installed on the top surface of mixing tank, any output shaft of double-shaft motor extends into mixing tank and is fixedly connected with stirring assembly, the other output shaft of double-shaft motor is fixedly connected with reciprocating transmission assembly, the filtering efficiency of wastewater is improved, and the impurities are collected conveniently.