14787 results about "Filter element" patented technology

A regenerative filter that includes a filter housing having inlet and outlet zones; a fluid path provided between the inlet and outlet zones; a plurality of filter elements each having an outer surface filter media applied thereto and functioning to filter particulate or contaminants from the fluid path; and a tube sheet that is supported across the filter housing, that is disposed just before the outlet zone and that provides the support for the plurality of filter elements. The plurality of filter elements are disposed in an array and includes bridging members or elements that connect between adjacent filter elements, and that forms with the filter elements, a closed interstitial space between adjacent filter elements for liquid flow; a nanoscale barrier on interior surfaces, including that of the regenerative media itself, providing a mechanism to disrupt the cell wall of microscopic viruses and organisms.

A regenerative filter that includes a filter housing having inlet and outlet zones; a fluid path provided between the inlet and outlet zones; a plurality of filter elements each having an outer surface filter media applied thereto and functioning to filter particulate or contaminants from the fluid path; and a tube sheet that is supported across the filter housing, that is disposed just before the outlet zone and that provides the support for the plurality of filter elements. The plurality of filter elements are disposed in an array and includes bridging members or elements that connect between adjacent filter elements, and that forms with the filter elements, a closed interstitial space between adjacent filter elements for liquid flow; a nanoscale barrier on interior surfaces, including that of the regenerative media itself, providing a mechanism to disrupt the cell wall of microscopic viruses and organisms.

A regenerative filter that includes a filter housing having inlet and outlet zones; a fluid path provided between the inlet and outlet zones; a plurality of filter elements each having an outer surface filter media applied thereto and functioning to filter particulate or contaminants from the fluid path. The filter elements are disposed in an monolithic array. An inlet port arrangement is disposed at the filter housing leading to the inlet zone and is constructed and arranged to direct the fluid path into the filter housing in a manner so as to maintain a controlled turbulence at the inlet zone. The inlet port arrangement comprises a pair of inlet ports that are arranged in juxtaposition at the inlet zone and each having one end where the fluid flow enters. Embodiments that are considered as falling under the scope of the present invention include 1. Single inlet / two or more outlets; 2. Two or more inlets / single outlet, or 3. Two or more inlets and two or more outlets.

The invention relates to the technical field of water resource monitoring, in particular to a combined type automatic backwashing filter which comprises a tank body, a separation disc, a backwashing mechanism and a filter element, an inlet pipe, an outlet pipe and a discharge filter pipe are arranged on the outer wall of the tank body, the separation disc is fixed to the inner wall of the tank body, and the backwashing mechanism comprises a physical cleaning assembly and a chemical cleaning assembly. The physical cleaning assembly intermittently moves along the circumference, the chemical cleaning assembly quantitatively feeds chemicals in a segmented mode in the vertical direction, and the multiple filter elements are arranged at the top end of the separation disc in a circumferential array mode and matched with the through holes. Through the synergistic effect of circumferential intermittent movement of the physical cleaning assembly and vertical sectional quantitative dosing of the chemical cleaning assembly, physical washing and chemical treatment are synchronously achieved in the back washing process, viscous pollutants and microbial films are effectively removed, the risk of secondary pollution is reduced, meanwhile, energy consumption is reduced, the service life of a filter element is prolonged, and the service life of the filter element is prolonged. The device has the advantages of efficient cleaning, reliable operation and good economical efficiency.

The invention relates to the technical field of tail gas treatment, and provides a tail gas denitration reactor for hydrogenation catalyst production, the tail gas denitration reactor comprises a treatment box and an adsorption shell mounted in the treatment box, one end of the adsorption shell is connected with a gas inlet pipe, the other end of the gas inlet pipe is connected with a gas outlet pipe, and two ends of the adsorption shell are provided with a plurality of connecting grooves; the upper end of the adsorption shell is connected with a first connecting frame and a second connecting frame. The two ends of the first gas filtering bin and the two ends of the second gas filtering bin are meshed and installed on the gear shaft, so that the gear shaft drives the first gas filtering bin and the second gas filtering bin to rotate, the first gas filtering bin and the second gas filtering bin alternately conduct tail gas adsorption work, and in the standby replacement process, the filter elements in the first gas filtering bin and the second gas filtering bin are cleaned; the device can adsorb tail gas in a long-term and high-quality mode, the problems that the filter element is blocked and the adsorption effect is reduced due to long-time use of the filter element are solved, and environment-friendly emission of the tail gas can be achieved in the hydrogenation catalyst production and manufacturing process.

An apparatus for wastewater filtration having a barrel, a basket and a screw on a shaft rotating therein for pushing solid in a distinct output. A removable cartridge comprises a cover for the barrel, the cartridge comprising a pre-sealed shaft connector which releasably connects to at least the upper shaft portion or the lower shaft portion to form the shaft. The screw comprises a brush on an outer rim thereof, the brush having radially outwardly oriented bristles that scrape an inner surface of the basket. The screw comprises a winged wiper at a bottom thereof for sweeping a bottom surface of the barrel, and the solid-material output is provided at the bottom surface of the barrel and is shaped as a rectangular opening which is offset from a central axis of the screw. Solid removal efficiency and maintenance are thereby improved.

The invention discloses container type sewage treatment equipment and a container type sewage treatment process, relates to the technical field of sewage treatment, and solves the technical problem that hard particle impurities are blocked in filtering holes and are difficult to effectively remove, so that the filtering efficiency is influenced. Comprising a container and a treatment unit on the top of the container, a fence is installed in the container and divides an inner cavity of the container into a precipitation cavity and a filtering cavity, a guide pipe connected with the treatment unit is installed at the position, close to the bottom end, of the fence, an overflow mechanism is installed between the precipitation cavity and the filtering cavity, and a transverse plate is installed between the cavity walls, close to the bottom end, of the filtering cavity; a plurality of filtering pieces are rotationally mounted on the transverse plate, anti-blocking mechanisms for dredging the filtering pieces are arranged in the filtering pieces, and shifting mechanisms for driving the filtering pieces to rotate at equal intervals are mounted at the tops of the filtering pieces. The filtering holes in the filtering piece can be conveniently dredged in sequence, so that hard blockages clamped in the filtering holes can be conveniently and effectively removed, and the filtering efficiency of sewage can be ensured.

The invention belongs to the technical field of waste gas treatment, and particularly relates to a coking waste gas treatment device which comprises a pretreatment box, an acid liquor spray tower, an alkali liquor spray tower, a condensation filter box, an adsorption box and a combustion discharge chamber, and is characterized in that a filter part I and a filter part II are arranged in the pretreatment box, and a spiral pipe is fixedly mounted in the pretreatment box; a rotary liquid spraying mechanism for preliminarily removing waste gas impurities is arranged in the pretreatment box, and an anti-blocking mechanism is arranged below the rotary liquid spraying mechanism. According to the coking waste gas treatment device, the rotary liquid spraying mechanism and the spiral pipe are arranged in the pretreatment box, and the motor drives the rotating shaft to rotate, so that water in the water sump is sprayed out through the water spraying opening and cooperates with rotation of the rotating shaft to flush waste gas impurities. Waste gas enters the spiral pipe in a spiral mode, impurities are easily thrown out under the action of centrifugal force after being condensed when meeting water, and the removal efficiency of the impurities in the waste gas is greatly improved through the filtering action of the first filtering piece and the second filtering piece.

The utility model discloses a silicon powder filter, which relates to the technical field of silicon powder filtration and comprises a tank body, a pattern plate assembly, a filter element assembly and a back flushing assembly, the tank body comprises an upper sealing head, a middle barrel body and a lower sealing head which are arranged from top to bottom; the tubesheet assembly is assembled between the upper sealing head and the middle barrel in the tank body, and the filter element assembly is assembled on the tubesheet assembly and extends downwards; the back-blowing assembly is assembled in the upper sealing head and comprises a plurality of groups of back-blowing mechanisms, the plurality of groups of back-blowing mechanisms are circumferentially and uniformly arranged and are all welded with the middle support of the circle center, the back-blowing mechanism comprises a back-blowing header pipe, a plurality of back-blowing branch pipes and a support piece, the top ends of the back-blowing branch pipes are communicated with the back-blowing header pipe, and the back-blowing branch pipes are communicated with the support piece. And one end of the supporting piece is connected with the blowback header pipe, and the other end of the supporting piece is welded on the inner wall of the upper sealing head. And the back flushing assembly is integrally welded and fixed in the upper sealing head, so that the back flushing assembly can be directly mounted and dismounted by using the upper sealing head without entering the tank for operation in the mounting and dismounting process.

The invention relates to the field of piggery tail end odor pollution treatment, and discloses a piggery tail end odor purification filter element preparation method and application, the preparation method comprises the following steps: loading a photocatalyst on the surface of a filter element body to obtain a carrier, respectively inoculating 3-5 kinds of antagonism-free deodorization microorganisms into corresponding LB liquid culture mediums for activation and propagation, and carrying out purification on the LB liquid culture mediums to obtain the piggery tail end odor purification filter element. The preparation method comprises the following steps: preparing a bacterial solution, mixing the bacterial solution to obtain a corresponding bacterial solution, compounding all the bacterial solutions in proportion to obtain a compound bacterial solution, infiltrating a carrier in the compound bacterial solution, and carrying out biofilm formation at room temperature to obtain the filter element. After the photocatalyst on the surface is illuminated, some refractory pollutants can be decomposed into smaller intermediate products which are easier to utilize by microorganisms by utilizing light energy, a more suitable substrate is provided for the microorganisms, and the microorganisms can further thoroughly decompose the intermediate products into harmless substances such as carbon dioxide and water, so that the degradation effect is improved. Therefore, the overall degradation efficiency and degree of pollutants are improved.

The invention discloses tea juice treatment equipment, and relates to the technical field of tea juice treatment. The device comprises a separation net provided with a through hole, a cutter head and a dial wheel plate crushing assembly which are coaxially arranged up and down, an adjustable magnetic coupling driving part composed of an electromagnet and a planetary gear, a bidirectional flow centrifugal separation chamber, a filter element fine filtration cavity and a non-stop screw deslagging mechanism. Flushing wastewater is actively pre-crushed and then tangentially guided to a centrifugal cavity, and solid and liquid are rapidly separated under the synergistic effect of centrifugal force and suction pressure difference; a liquid phase is subjected to center suction, refined filtration, clarification and discharge, and a solid phase settles along the inner wall and is automatically conveyed to the outside for sealed collection. According to the system, the rotating speed is adjusted in a closed-loop mode through online particle monitoring, load self-adaption and low-energy-consumption operation are achieved, filter screen blockage, shutdown cleaning and peculiar smell diffusion are avoided, and the system is suitable for on-site up-to-standard treatment of tea residue sewage in the peak period of a catering store.

The invention discloses a flow-guiding-free laminar flow water column nozzle, a nondestructive testing system and application of the flow-guiding-free laminar flow water column nozzle, and belongs to the field of industrial manufacturing. The flow-guiding-free laminar flow water column nozzle comprises a nozzle body, a nozzle head is detachably installed at the front end of the nozzle body through a connecting flange, and a filter element capable of greatly increasing the length of a laminar flow water column is arranged in the nozzle body through a clamping base; at least two through holes communicated with an internal channel of the nozzle body are formed in the nozzle body, a first flow channel, a second flow channel, a third flow channel and a fourth flow channel are sequentially formed in the nozzle body and the internal flow channel of the nozzle head in the water flow spraying direction, the filter element comprises a middle section, and a net face section is arranged at the end, away from the nozzle head, of the middle section. The end, close to the nozzle head, of the middle section is provided with a sunken section. According to the flow-guide-free laminar flow column nozzle, the nondestructive testing system and the application thereof, the filter element matched flow channel streamline combination capable of greatly improving the length of a laminar flow column can be achieved, the filter element can be manufactured through 3D printing, and the fund cost and the time cost are reduced.

The invention provides laboratory air purification equipment with a filter element dust removal function, and relates to the technical field of air purification. A driving mechanism is mounted in the mounting mechanism; a vibration mechanism is mounted in the mounting mechanism; a filtering mechanism is mounted in the mounting mechanism; a collecting part is mounted in the mounting mechanism, a clamping ring of the collecting part is inserted into a clamping groove of the mounting box body, a telescopic rod drives a driving motor to descend and meanwhile drives a connecting disc to descend, so that a columnar protrusion on the lower end face of the connecting disc is inserted into a limiting groove of a first vibration part, and the first vibration part is driven by the driving motor to rotate; the stirring piece of the first vibration piece and the stirring piece of the second vibration piece stir each other, the filter element generates high-frequency vibration, dust attached to the filter element is shaken off, and the problems that according to traditional air purification equipment, workers need to open the equipment to conduct dust removal and cleaning on the filter element, operation is troublesome, and a large amount of time is wasted are solved.

The utility model relates to a filter assembly, a tail gas treatment device and boron diffusion production equipment, the filter assembly comprises a filter element and a filter cartridge, the filter element is provided with a first end and a second end along a first direction, and the filter element is provided with a plurality of filter through holes along the first direction; the filter element is positioned in the filter cartridge; the filter cartridge is provided with an air inlet and an air outlet; the air inlet is communicated with an exhaust pipe of a vacuum furnace of the boron diffusion production equipment, and the air outlet is communicated with a tail exhaust pipe of the boron diffusion production equipment; tail gas exhausted by the exhaust pipe can enter the filtering through hole through the gas inlet and the first end in sequence, and can be exhausted to the tail exhaust pipe through the second end and the gas outlet in sequence after being filtered; a plurality of water injection blind holes extending in the first direction are formed in the filter element, and openings of the water injection blind holes are formed in the second end; a first water injection port is formed in the filter cartridge and is communicated with the opening through a water pipe; and the filter element is made of a porous material. According to the technical scheme, harmful substances such as B2O3 in the tail gas can be fully and effectively removed, and the filtering efficiency is high.

The utility model discloses a filter element cleaning structure and an air conditioner and relates to the technical field of air conditioners, the filter element cleaning structure and the air conditioner comprise a filter element, the filter element cleaning structure further comprises a shell, a fixed part and a cleaning assembly, the fixed part comprises a fixed frame and a movable frame, the fixed frame is arranged on the inner wall of the shell, and the movable frame is arranged on the inner wall of the shell. An air inlet cavity and a flow guide cavity are correspondingly formed in the upper end and the lower end of the fixed frame, the movable frame is installed in the air inlet cavity corresponding to the fixed frame, the fixed frame and the movable frame are used for fixing the two ends of the filter element respectively, the air inlet cavity and the flow guide cavity are communicated through a flow guide hole in the center of the fixed frame, and the cleaning assembly comprises a blowing part and a rotary cleaning part. According to the automatic cleaning device for the filter element, a blowing cleaning mode and a contact cleaning mode are combined to automatically clean the filter element, the cleaning effect on the filter element can be effectively guaranteed, the labor intensity during manual operation can be effectively reduced, and the automatic cleaning device has good application prospects.

The invention belongs to the technical field of natural gas transportation and distribution filtration of natural gas stations, and relates to a filter and a filter element backwashing method thereof without stopping natural gas transportation and distribution filtration. The filter comprises a main cylinder, a main filter element and a backwashing device, wherein the backwashing device comprises an air blowing cylinder arranged in the main filter element, a high-pressure hose used for conveying high-pressure gas into the air blowing cylinder and a driving mechanism used for driving the air blowing cylinder to reciprocate in the main filter element in the axial direction; the air blowing cylinder is of a cylindrical structure with two closed ends, and a plurality of air blowing holes are formed in the side wall; the high-pressure hose is located in the main filter element, the bottom end of the high-pressure hose is connected to the top end of the air blowing cylinder, the top end of the high-pressure hose is externally connected with a high-pressure air supply source, and high-pressure air entering the air blowing cylinder is blown out through the air blowing holes to backwash the main filter element from inside to outside. The air blowing cylinder of the filter can perform movable backwashing in the main filter element, so that the whole main filter element is helped to recover the filtering effect, and the backwashing device can independently operate to backwash the main filter element while the filter continuously filters natural gas.

The invention discloses a novel electrolytic tank pipeline filter and a self-cleaning system. The novel electrolytic tank pipeline filter comprises a multi-stage filtering part, the self-cleaning system and an intelligent control system, the multi-stage filtering part comprises multi-stage filter elements arranged in the material pipeline, and the multi-stage filter elements are arranged from large to small according to the filtering particle size to form a filtering gradient; the self-cleaning system acts on the multi-stage filter element part at the same time or in a time-sharing manner on the basis of a fluid reverse recoil principle; the self-cleaning system is combined with pulsating flushing control, so that the filter element is separated from a filter cake at low loss; the multi-stage gradient filtration is adopted, impurities are efficiently and accurately intercepted, the filter elements with the particle sizes from large to small are arranged in a gradient mode, the first-stage titanium alloy filter element intercepts large particles, the second-stage polytetrafluoroethylene membrane filters tiny impurities, the efficiency is improved through graded interception, the loss of the filter elements is reduced, and the material purity and the hydrogen production quality are guaranteed. The multi-element self-cleaning technology is adopted, low-loss deep cleaning is achieved, and the self-cleaning system integrates multiple technologies such as fluid reverse backflushing, pulsating flushing, ultrasonic vibration and a pulsed electric field.

The utility model provides a base station and a cleaning system, the base station comprises a base station main body and a dust collection module, and the base station main body comprises a cleaning tank; the dust collection module comprises a dust collection fan; a dust collecting opening and a first air outlet are formed in the inner wall, opposite to the opening, of the cleaning tank, the dust collecting opening can be in butt joint with a second dust discharging opening in a machine body of the cleaning equipment, and the first air outlet can be in butt joint with a second air discharging opening in the machine body; under the action of the dust collecting fan, after garbage in a dust box of the cleaning equipment sequentially passes through the second dust discharging opening and the dust collecting opening along with airflow and enters the air channel of the base station, the airflow at least flows out of the air channel through the first air outlet, and the airflow flowing out of the first air outlet is blown to a first filtering piece of the cleaning equipment through the second air discharging opening; garbage on the first filter part is blown into the dust box; when the cleaning equipment is used for cleaning the surface to be cleaned, the first filtering piece is used for filtering airflow flowing from the dust inlet of the dust box to the second exhaust outlet. According to the base station, the first filtering part can be self-cleaned under the action of the dust collection fan of the base station, and the use experience is improved.

The invention relates to the technical field of vehicle fuel injectors, in particular to a vehicle fuel injector assembly which comprises an adjusting mechanism, the adjusting mechanism is used for controlling fuel injection, an impurity filter element is installed in the adjusting mechanism, the impurity filter element is used for filtering impurities in the fuel, and the adjusting mechanism is used for adjusting the fuel injection. A mounting part is mounted on the adjusting mechanism in a communicating manner, an electric appliance connector is mounted on the mounting part, and the electric appliance connector is used for controlling the oil sprayer; a transmission mechanism and a cleaning mechanism are mounted on the mounting part, the transmission mechanism is driven by fuel oil penetrating through the impurity filter element, and the transmission mechanism is used for driving the cleaning mechanism to clean impurities left on the impurity filter element; a filter residue collecting device is mounted on the adjusting mechanism, the adjusting mechanism is communicated with the mounting part through the filter residue collecting device, and the filter residue collecting device is used for collecting filtered impurities in the fuel oil. The problems that an existing filtering mechanism is prone to being blocked and complex to maintain are solved.

The invention relates to the technical field of water filtration, in particular to water filtration equipment with a sterilization function, which comprises a cylinder body, the upper end and the lower end of the cylinder body are respectively provided with a conical sealing head, a filter assembly for filtering impurities in water is arranged in the cylinder body, and a plurality of adsorption assemblies convenient to replace are arranged on one limiting disc. A trigger assembly used for taking out the adsorption assembly is arranged in the treatment shell, a lifting assembly used for lifting the trigger assembly is arranged in the treatment shell, a stirring assembly used for promoting water filtration is arranged in the barrel, and a matching assembly used for being matched with water to accelerate filtration is arranged on the stirring shell. Through cooperative use of the adsorption assembly, the filtering assembly, the triggering assembly, the lifting assembly, the matching assembly and the stirring assembly, particulate matters in water are quickly filtered, so that the equipment can replace a filter element without influencing use of the equipment even in a running state, and the labor cost and the resource consumption are reduced.

The invention relates to the technical field of water purifiers, and provides a water purifier control method, device and equipment and a storage medium, and the method comprises the following steps: when an instruction of starting water production is received, obtaining any random number from a preset random number range; if the random number is within a preset first range, firstly filtering tap water flowing in from a main water inlet through a first reverse osmosis membrane, then enabling wastewater output by the first reverse osmosis membrane to flow into a second reverse osmosis membrane for secondary filtration, and then enabling the wastewater to flow out from a main water outlet; if the random number is within a preset second range, firstly filtering the tap water flowing in from the main water inlet through a second reverse osmosis membrane, then enabling the wastewater output by the second reverse osmosis membrane to flow into the first reverse osmosis membrane for secondary filtration, and then enabling the wastewater to flow out from the main water outlet. According to the invention, the first reverse osmosis membrane or the second reverse osmosis membrane can be prevented from being invalid in advance due to overuse, so that the service life of each osmosis membrane in the reverse osmosis filter piece is prolonged.

The utility model discloses a prefilter which comprises a shell part and a filter element, the shell part is provided with a water inlet, a water outlet and a drain outlet, the filter element is arranged in the shell part and is matched with the shell part to form a raw water cavity communicated with the drain outlet and a purified water cavity communicated with the water outlet, a water inlet channel is arranged between the water inlet and the raw water cavity, and a water outlet channel is arranged between the water inlet and the purified water cavity. A backwashing channel is arranged between the water inlet and the water purification cavity, and a plugging piece for opening and closing the sewage draining exit is arranged at the sewage draining exit; and the water path switching mechanism is arranged on the shell part and is used for controlling the switching opening of the water inlet channel and the backwashing channel. When the pre-filter disclosed by the utility model is in a filtering state, the backwashing channel is in a closed state, so that if a backwashing filter screen is arranged on the backwashing channel, the backwashing filter screen cannot filter water flow in the filtering state, so that dirt on the backwashing filter screen can be reduced, and normal filtering of the backwashing filter screen in the backwashing state is ensured.

The utility model discloses a self-cleaning water purification system and a water purifier wherein the self-cleaning water purification system comprises: a filter module, the filter module comprises a first filter element, the first filter element is a reverse osmosis filter element, and the first filter element is used for desalting and filtering a water source to be filtered; the gas-liquid treatment module is used for carrying out gas-liquid mixing treatment on the to-be-filtered water source and the to-be-mixed gas so as to generate microbubble water; the switch module comprises a plurality of switches, and the plurality of switches are used for guiding the flowing direction of the water source to be filtered and the microbubble water; the control module is used for controlling the switch module, so that the microbubble water flows to the first filter element to clean the surface of the reverse osmosis membrane of the first filter element. Therefore, by cleaning the first filter element, the effluent quality and flow of the self-cleaning water purification system can be improved, so that the service life of the filter element is prolonged, the replacement cost of the filter element is reduced, and the use experience of a user is improved.

The invention discloses a filter bag dust removal framework, and relates to the technical field of dust removal equipment, the filter bag dust removal framework comprises a bottom plate, a framework body and a fixing mechanism, multiple groups of first vibration mechanisms are mounted on the framework body, a soot blowing mechanism is mounted in the framework body, and the soot blowing mechanism comprises a first motor, a reciprocating lead screw and a first guide rod; a moving plate is in threaded connection with the reciprocating lead screw, and the moving plate is in sliding connection with the first guide rod; a connecting plate is arranged on the moving plate, an annular pipe is fixedly connected to the top of the connecting plate, a plurality of air spraying pipes are sequentially communicated with the annular pipe in the circumferential direction of the annular pipe, a draught fan is installed on the top of the connecting plate, and an air inlet of the draught fan is communicated with a filtering piece; an inlet is formed in the bottom plate, first through holes are formed in the inner walls of the two sides of the inlet correspondingly, an adsorption plate is slidably connected into each first through hole, the two adsorption plates are combined to seal the inlet, driving assemblies are installed in the first through holes, and processing mechanisms are installed on the adsorption plates. Dust falling into the framework body can be conveniently treated.

A fluid filtration system includes a fluid storage vessel such as a bioreactor, a filter housing including a filter element disposed therein, a pump coupled between the fluid storage vessel and the filter housing, and a flow diverter disposed between the pump and the filter housing. The pump is configured to move fluid from the fluid storage vessel through the filter element, and the flow diverter is configured for selectively directing fluid received from the pump to the first or second end of the filter housing. In a first mode of operation, the flow diverter directs flow through the filter housing in a first direction, while in a second mode of operation, the flow diverter directs flow through the filter housing in a second direction opposite the first direction.

The utility model provides a self-propelled silage reclaimer, which relates to the technical field of reclaimers, and comprises a self-propelled silage reclaimer assembly, the self-propelled silage reclaimer assembly is provided with a dust collection assembly and an adjusting assembly, the self-propelled silage reclaimer assembly comprises a cutting reclaiming knife and a conveying belt, the dust collection assembly comprises a dust collection cover, and the dust collection cover is provided with a dust collection opening. And one end of the dust hood is connected with a conveying hose. The suction fan works to generate suction force, so that the dust hood sucks and removes flying dust generated during cutting and material taking, the sucked and removed dust and the like are conveyed to the collecting box through the conveying hose, the filter element is beneficial to preventing the dust and the like from entering the suction fan, and normal operation of the suction fan is guaranteed; and finally, the movable sealing plate moves in the sliding groove, so that the sucked dust and the like can be cleaned, the dust spreading in the working area is reduced, the dust attached to the surface of the machine is reduced, and an operator can more clearly observe the running state of each part of the machine.

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.