91results about How to "Filter clean" patented technology

The invention relates to the field of environmental protection and utilization, in particular to an urban rainwater ecological utilization device. A mobile activated carbon adsorption rack comprises a middle circular plate, groove rods, activated carbon boxes and flanges, wherein four groove rods are evenly welded to the middle wafer in an annular mode, up-down transparent grooves are formed in the groove rods, flanges are symmetrically arranged on the portions, the lower ends in the grooves, of the groove rods, and the upper ends of the activated carbon boxes are matched with the groove rods in a sliding mode. First hinge bases are arranged on the activated carbon boxes, sliding grooves are formed in the activated carbon boxes, and the activated boxes are of a hollow structure; two opposite side faces of the activated carbon boxes are open and connected with wire mesh through screws, the first hinge bases are symmetrically arranged at the upper ends of the activated carbon boxes and connected to the top faces of the activated carbon boxes in a welded mode, the activated carbon boxes are matched with the flanges on the groove rods through the sliding grooves, and the number of the activated carbon boxes is four.

The invention discloses an automatic fishpond contamination suction machine and a contamination clearing method. An MCU controller controls a submerged pump to work, sewage in a fishpond is ejected to the upper space of a filtering container, and the sewage impacts a filtering screen and then is filtered; the filtered sewage returns to the fishpond via a water outlet pipe of the filtering container, and excrement and residual bait falls into the lower space of the filtering container through a gap between the filtering screen and an intermediate baffle plate; and the MCU controller detects signals of three waterproof ultrasonic sensors, calculates out the distances between the front wall, the left wall and the right wall of a vehicle body and opposite walls of the fishpond, control the vehicle body to straightly move forward or turn left and turn right at the angle of 90 degrees, and allows the vehicle body to traverse the bottom of the fishpond along a continuous extension rectangular path in a reciprocation manner. The ultrasonic sensors and the MCU controller are combined to determine the position of the contamination suction machine in the bottom of the fishpond, the contamination clearing path covers the whole fishpond through the reciprocation movement manner, repeated contamination clearing jobs can be avoided, and the efficiency of contamination clearing can be improved.

The invention discloses a tertiary filtration-circulation system for a cutting fluid of a machine tool during machining. The tertiary filtration-circulation system comprises an engine body, wherein adirty fluid bath is arranged on the front side of the machine body; a scraper chip-removal device is arranged in the dirty fluid bath; a backflush drum filter is arranged on the rear side of the dirtyfluid bath; a buffer box is arranged on the side of the filtration water outlet of the backflush drum filter; a backflush pump is arranged on the side, close to the backflush drum filter, of the buffer box; the water outlet of the backflush pump is arranged on the side of the drum of the backflush drum filter; a lift pump is also arranged on the buffer box; a series vortex device is connected with the lift pump through a pipeline I; a dirt collection box is arranged at the bottom of the series vortex device; a fluid purification box is connected with the water outlet of the series vortex device through a pipeline II; an internal cooling pump is arranged on the fluid purification box; and a double-bucket pipeline filter is connected with the water outlet of the internal cooling pump through a pipeline III. Compared with a conventional chip removal machine, a chip removal machine tertiary filtration system, namely the tertiary filtration-circulation system disclosed by the invention, has the advantages that fine particles in the cutting fluid can be further filtered out; furthermore, the continuous filtration can be achieved without halting the machine tool and cleaning the filters,and accordingly, the production efficiency of the machine tool can be improved.

The invention provides a production method of regenerated ultralow-gram-weight high-strength corrugated base paper, which can ensure the physical strength of the base paper and reduce the impurity treatment load. The method comprises the steps of drum pulping, coarse screening, classifying screening, short fiber purifying treatment, long fiber purifying treatment, long fiber fine screening, shortfiber concentration, long fiber concentration, pulp preparation and paper machine papermaking. Domestic OCC waste paper raw materials are made into pulp through a drum pulping device, the pulp is screened by a pressure screen, the pulp subjected to the coarse screen is subjected to classification screening to divide fibers into long fibers and short fibers, short fiber good pulp and long fiber good pulp are proportionately mixed, the mixed pulp is sent to a papermaking forebay, the pulp is thickened, diluted, dispersed by a before-net, molded by a forming screen, dehydrated at the screen partto obtain wet paper sheets, the wet paper sheets are subjected to steam drying at a front drying part and then enter a film transfer surface sizing machine for surface sizing, and the paper sheets subjected to surface sizing enter a rear drying part for drying.

The invention relates to a filtering device, in particular to a sand and stone filtering device for oil production. The technical problem to be solved by the invention is to provide a sand and stone filtering device for oil production, which is high in filtering efficiency, and clean and thorough in filtration. In order to solve the technical problem, the sand and stone filtering device for oil production, provided by the invention, comprises a settling tank and the like; supporting legs are mounted at four corners at the bottom of the settling tank in a manner of bolt connection; a coarse filtering device is arranged on the left side at the top of the settling tank; a feed pipe is arranged at the top of the coarse filtering device; a fine filtering device is arranged on the right side atthe top of the settling tank. The sand and stone filtering device for oil production, provided by the invention, has the benefits that through the coarse filtering device, the settling tank and the fine filtering device, sand and stones carried by oil are filtered and settled; through a stirring device and an accelerating device, the filtering efficiency is improved; through a material scraping device, the settled sand and stones are concentrated to the left part inside the settling tank, so that the effects of high filtering efficiency, and clean and thorough filtration are achieved.

The invention provides an agricultural greenhouse capable of automatically collecting rainwater, and relates to the field of agricultural greenhouse devices. The agricultural greenhouse capable of automatically collecting rainwater comprises a waterproof layer, a plastic film is arranged in the waterproof layer; a water collecting tank is arranged at the top of the waterproof layer; the top of thewater collecting tank is provided with a water collecting opening; a water storage tank is arranged at the bottom of the water collecting tank; the bottom of the water collecting tank communicates with a water inlet pipe; and the upper side of the inner wall of the water storage tank is fixedly provided with a first water level sensor. The agricultural greenhouse capable of automatically collecting rainwater is provided with a sand filter layer, a ceramic filter layer and an activated carbon adsorption layer, rainwater enters the water collecting tank through the water collecting opening, andimpurities in the rainwater is filtered out by the sand filter layer, the ceramic filter layer and the activated carbon adsorption layer in the water collecting tank, so that the rainwater is betterfiltered. Through the arrangement of the water collecting opening, the water collecting tank, discharge spouts and water collecting plates, rainwater can be effectively collected in multi-direction and then injected into the water storage tank, and cycle use of rainwater in the greenhouse is facilitated.

The invention discloses a serial connection type petroleum pipeline filtering device. The serial connection type petroleum pipeline filtering device comprises a multi-grade filtering inner core and a single-grade filtering inner core, wherein the outer part of the multi-grade filtering inner core is provided with an upper-grade filtering pipe section and is communicated with a low-grade filtering pipe section at the outer part of the single-grade filtering inner core through the pipe section; the inner part of the multi-grade filtering inner core is internally and vertically provided with three paths of net hole type filtering nets; a filtering groove is formed above the inner part of the single-grade filtering inner core; a layer of a filtering net is respectively and additionally arranged in each one of respective end ports of the engaged part of the upper-grade filtering pipe section and the low-grade filtering pipe section. The serial connection type petroleum pipeline filtering device disclosed by the invention has the beneficial effects that a serial connection type double-core structure is arranged to filter and filtering structures are respectively vertically and horizontally arranged inside the two inner cores; meanwhile, a filtering structure is additionally arranged at the engaged part of outer part pipe sections of the two inner cores, so that the aim of running water form filtering is realized; the serial connection type petroleum pipeline filtering device has the advantages of reasonable structure, convenience and practicability, strong filtering effect and the like, and is capable of filtering petroleum by layers and capable of providing convenient use conditions.

The invention relates to a collecting and screening device, in particular to an agricultural soybean collecting and screening device. The technical problem to be solved herein is to provide an agricultural soybean collecting and screening device that saves time and ensures thorough screening. In order to solve the technical problem above, the invention provides such an agricultural soybean collecting and screening device, comprising a box body and the like; a support leg is mounted at each bottom corner of the box body; the top of the box body is provided with a feed port; the bottom of the box body is fitted with a discharge bucket that is communicated with the box body; a discharge tube is mounted in the right middle of the box body and is communicated with the box body; a beating deviceis arranged in the upper portion of the box body; a screening unit is arranged in the center of the box body and positioned below the beating device. The beating device is used for beating off soybean; the screening unit is used for screening the soybean; therefore, time is saved, and thorough screening is achieved.

The invention discloses a food debris filter for dish washers, which is characterized in that: the invention comprises a first filter screen for relatively small food debris and a second filter screen for relatively larger food debris; wherein, the first filter screen is connected with connection pipelines for and in face of a washer pump, while the second filter screen is connected with connection pipelines for and in face of a draining pump. With the invention, food debris with different sizes is filtered and automatically drained outward; as a result, the problems as displeasure from the food spoilage due to the food debris on filter devices, and convenience in filter screens washing are reduced.

An apparatus and processes for producing compound cigarette filters by horizontally assembling multiple filter segments onto the horizontally oriented transverse flutes of a continuous belt. Spaced apart hoppers are serially arranged above the belt, and each hopper contains at least one of the multiple segments of the compound filter being assembled. A transfer structure between each hopper and the belt serially delivers the filter segments to the flutes on the belt, and after such assembly the various filter segments are removed as a group from each flute of the continuous belt. The filter segments are then combined as a group with wrapped tobacco rods to thereby produce filtered cigarettes.

The invention discloses a drinking water filter for the field. The drinking water filter comprises a fixed bottom plate, wherein the center of the upper surface of the fixed bottom plate is connected with a telescopic link through bolts, an evaporating pot is arranged at the telescopic end of the telescopic link, an upper end cover is arranged at the upper end of the evaporating pot, a check ring is arranged at the lower end in the upper end cover, the cross section of the check ring is of an L-shaped structure, one side of the evaporating pot is connected with a water storage tank through a fixed ring, the upper end of the water storage tank is connected with one side of the upper end cover through a guide pipe, and the connection part between the upper end cover and the guide pipe is positioned at the upper end of the check ring. Solid particles in water can be filtered by the filtering device, so filtration is more convenient; and sunshine can be gathered to the lower end of the evaporating pot through light-reflecting cloth, so water can be evaporated and filtered by the evaporating pot to obtain pure water. The drinking water filter for the field is simple in structure and simple and convenient in operation, the water filtered by the drinking water filter is cleaner, and the drinking water filter is more convenient in use.

The invention discloses an environmental-protection industrial sewage treatment device including a treatment box; the top of the treatment box is fixedly connected with a top rack, a part, located atthe inner side of the top rack, of the top of the treatment box is fixedly connected with a stirring motor; the stirring motor is rotatingly connected with a stirrer through a coupler; the stirrer islocated inside the treatment box; the outer side of the treatment box is provided with a sewage primary treatment tank; a net filter is arranged below the interior of the sewage primary treatment tank; a liquid guide pipe is fixed at the bottom of the sewage primary treatment tank; one end, far away from the sewage primary treatment tank, of the liquid guide pipe communicates with the treatment box. The invention relates to the technical field of industrial environmental protection. The environmental-protection industrial sewage treatment device achieves the purpose of industrial sewage treatment, and heavy metals in sewage are recycled and reused. The whole device has simple structure and low construction cost, and is suitable for small factories. A primary filter screen of the net filteris arranged together through a filter installation frame, and later replacement and cleaning are convenient.

The invention discloses a papermaking sewage efficient treatment device, which comprises a sewage treatment tank, a pre-screening device arranged on the left side in the sewage treatment tank, a baffle arranged on the right side of the pre-screening device and a fishing device arranged on the right side of the baffle. The pre-screening device comprises supporting plates arranged on the front sideand the rear side of the sewage treatment tank, a first motor arranged on the supporting plates, a rotating shaft arranged on the first motor, a winding drum arranged on the rotating shaft, a steel wire rope arranged on the winding drum, a connecting seat arranged below the steel wire rope, sliding blocks arranged on the left side and the right side of the connecting seat, and a lifting device arranged below the connecting seat; by means of the device, the large impurities in sewage can be removed through the pre-screening device, wherein air is jetted through the salvaging device, so that residues are gathered at one position; a salvaging net moves the residues up and down and left and right, so that the salvaging effect is better, the purification degree is higher, and meanwhile higher efficiency is achieved.

The invention relates to a filter aid used to rolling oil, wherein said filter aid comprises activate clay and bergmeal at 1:1-3. Compared with present technique, the rolling oil can be filtered completely, with improved oxidation resistance and 50-80% improved application period.

A heat exchanger system through which a liquid can flow, including a heat exchanger including a liquid inlet and a liquid outlet, a bypass valve including a liquid inlet and a liquid outlet, and a self-cleaning filter including a liquid inlet and two liquid outlets, one being an outlet for filtered liquid and one being an outlet for non-filtered liquid. The outlet for filtered liquid is connected to the inlet of the exchanger and the outlet for non-filtered liquid is connected to the inlet of the valve. The outlet of the heat exchanger is connected downstream of the outlet of the valve. A fuel circuit of an airplane jet engine can include such a system.

The invention discloses a cooling oil purification plant of a sharpening grinder. The cooling oil purification plant comprises an oil storage tank, filter paper, an oil inlet tank, a scrap storage tank and an oil pump. The scrap storage tank and the oil inlet tank are arranged on the same side of the oil storage tank, the filter paper is arranged right above the oil storage tank, one end of the filter paper is arranged in the scrap storage tank, the oil inlet tank is arranged right above the filter paper, a scrap discharge device is arranged on the oil inlet tank, an outlet of the scrap discharge device is arranged right above the scrap storage tank, and the oil pump is arranged on the oil storage tank. The cooling oil purification plant of the sharpening grinder has the advantages that cooling oil with grinding impurities in the grinder can be drained into the oil inlet tank via an oil outlet pipe, spills onto the filter paper via an oil outlet of the oil inlet tank, is filtered by the filter paper and flows into the oil storage tank; the grinding impurities are discharged into the scrap storage tank by the aid of the scrap discharge device; purified grinding oil in the oil storage tank is supplied to a machine tool via the oil pump, so that the machine tool can be lubricated and cooled and can be used for machining.

The invention provides a pipeline sewage treatment device convenient to maintain and check, relates to the technical field of sewage treatment, and aims to solve the problems that when an existing pipeline sewage treatment device is used, large-particle substances in sewage cannot be automatically segmented, an air outlet cannot be automatically sealed when the water level rises, and maintenance and check are difficult. The pipeline sewage treatment device comprises a main body, and the main body is a pipeline sewage treater body, and connectors are arranged at the two ends of the main body; and a fixing plate and a clamping block are made of elastic plate materials. When sewage passes through, the sewage is in contact with a dividing piece, large objects in the sewage can be automatically divided by the dividing piece, the objects can be divided into small blocks to pass through, the sewage filtering effect is better, the top groove is formed above the through groove, the smell of the sewage can be discharged and diffused, and when the water level of the sewage rises, the sewage can be in contact with a moving piece, and as the moving piece is made of a foam material, the moving piece can rise after receiving buoyancy, so that the interior of a top groove is sealed, and sewage is prevented from being discharged.

The invention relates to an underwater treadmill with resistance. The underwater treadmill comprises a pool body, resistance generation equipment, a treadmill belt working system and a water filteringsystem, wherein a wave generation mechanism of the resistance generation equipment comprises a rotation component without a shaft core and a fixing part, and the rotation component without the shaftcore is driven by a permanent magnet coupler; the treadmill belt working system comprises a water-borne power system and an underwater motion system; the water filtering system comprises a hair filterand an impurity filter; the resistance generation equipment and the power system of the treadmill belt working system are arranged in the pool body; and the water-borne power system of the treadmillbelt working system and the water filtering system are arranged outside the pool body. When in use, the underwater treadmill with resistance is small in noise, low in power consumption, small in mechanical abrasion, and thus improves a water utilization ratio and becomes more environmentally friendly; and the occurrence of unsafe circumstances such as short circuit and the like is avoided, the security performance of the equipment in use is greatly improved, and meanwhile, maintenance detection and installation are also more convenient.

The invention relates to an industrial wastewater filtering device, in particular to a rapid industrial wastewater filtering device for environmental protection. The technical problem to be solved is to provide the rapid industrial wastewater filtering device for the environmental protection, which can filter industrial wastewater thoroughly and is high in filtering speed and high in practicality. In order to solve the technical problem, the invention provides such the rapid industrial wastewater filtering device for the environmental protection. The rapid industrial wastewater filtering device comprises a second rotating rod, a second gear, a second rotating wheel, a second pull rope, a roller wheel, a thumb cylinder, a filter screen, a right rack, a wastewater tank, a base, a second bearing base and the like, wherein a right rack is connected to the right side of the top of the base; first bearing bases are arranged on the upper part of the right side of the left rack and the upper part of the left side of the right rack; a first rotating rod is connected between the first bearing bases. The rapid industrial wastewater filtering device achieves effects of thorough filtering, high filtering speed and high practicality; when wastewater is required to be filtered, the rapid industrial wastewater filtering device can improve the working efficiency of a whole filtering work and save more manpower and material resources.

The invention discloses a waste plastic recycling system. The waste plastic recycling system comprises a breaking device, a mixing device, a hot melting device, an injection molding device, a feedingchamber and an impurity removal component, wherein the breaking device is used for breaking waste plastics; the mixing device is used for uniformly mixing the broken waste plastics with ABS plastics;the hot melting device is used for melting and plasticizing mixed plastic raw materials; the feeding chamber is used for conveying the melted and plasticized plastic raw materials to the injection molding device for injection molding; and the impurity removal component is arranged in the feeding chamber, and is used for filtering the materials conveyed by the feeding chamber to remove impurities in the plastic raw materials. The impurities in the melted plastics can be filtered and removed, the circumstance that impurities exist in the product after injection molding is avoided effectively, and it ensures that the product obtained by injection molding has good quality; and secondarily, the impurity removal component is arranged in the feeding chamber, in a feeding process, the impurities of the melted plastics can be removed, the processing time is shortened, and the working efficiency is improved.

The invention relates to the technical field of high-power optical fiber lasers, and discloses an optical fiber device and a manufacturing method thereof. The manufacturing method of the optical fiberdevice comprises the steps of conducting periodic etching on a working window of a double-clad optical fiber through lasers; and scanning and heating the etched part and tapering the double-clad optical fiber to form periodic gourd-shaped distribution on the double-clad optical fiber. The double-clad optical fiber is tapered into periodic calabash-shaped distribution. Meanwhile, the fiber core also forms the same periodic gourd shape, so that the ratio of the high-order mode laser in the fiber core to the cladding for transmission is increased. The high-order mode laser transmitted in the cladding is easily filtered. Finally, the quality of the output beam of the fiber laser can be well improved. The optical fiber device manufactured through the manufacturing method can solve the problemthat in the prior art, high-order mode laser stripping is incomplete, and can also solve the problems that the working state of an optical fiber laser is unstable, and an output optical fiber has thefailure risk.

The invention discloses a self-expanded type filter bracket which comprises a filtering net, anchoring rods, a near-end connecting structure and a remote-end connecting structure, wherein the filtering net and the anchoring rod are made of nickel-titanium tubes which are cut and molded; the filtering net comprises a recycling slot, near-end filtering rods, anchoring rods, support rods and remote-end filtering rods; a whole vein filter bracket can be taken out conveniently through the recycling slot after implantation; the near-end filtering rods and the remote-end filtering rods are used for filtering thrombus in blood vessels; the anchoring rods are used for coaxially fixing the filter bracket in appointed positions of veins; the support rods are used for enabling the whole filter bracket to be tightly clued to the blood vessels and maintaining stability; the near-end connecting structure and the remote-end connecting structure are respectively arranged at the front end and the rear end of the filtering net; vein implantation can be carried out at different incoming parts with the combination of the connecting structures and a conveying system. The self-expanded type filter bracket has the characteristics of being novel in structure, clean in thrombus filtration, reliable in positioning and convenient in implantation and recycling, and is good in developing property and convenient in tracking and positioning judgment.

The invention discloses rapeseed oil pressing residue filter equipment which comprises a stirring device, a filter device and a stirring tank. The stirring device is connected with the filter device by a connecting pipe, struts are arranged at the lower end of the stirring tank, a cover plate is arranged at the upper end of the stirring tank, a feed inlet is formed in the middle of the cover plate, and a handle is arranged at the upper end of the right side of the cover plate. The rapeseed oil pressing residue filter equipment has the advantages that rapeseed crude oil can flow into the stirring device from the feed inlet when the rapeseed oil pressing residue filter equipment is used, a first motor can be started, accordingly, a stirring disc can rotate, the crude oil can be filtered by filter cloth and a filter screen and can flow into the filter device from the connecting pipe, residues in the rapeseed crude oil can be separated by the aid of centrifugation principles, the filter time can be saved, and the work efficiency can be improved; the cover plate can bring convenience for observing separation conditions of the rapeseed crude oil inside the stirring tank, and accordinglythe rapeseed oil pressing residue filter equipment is convenient to clean; the crude oil can be disinfected by an ultraviolet lamp in the filter device, the problem of crude oil deterioration due to mixed bacteria in existing crude oil can be solved, and accordingly the storage time of the crude oil can be prolonged.

The invention discloses filtering and impurity removing equipment for conveying high-purity aluminum oxide and an implementation method of the filtering and impurity removing equipment, and relates to the technical field of high-purity aluminum oxide. In order to solve the problems of filtration and impurity removal when high-purity aluminum oxide is conveyed, according to the filtration and impurity removal equipment for conveying the high-purity aluminum oxide and the implementation method thereof, a stirring device stirs impurities in materials, and a first filter can filter out impurities with overlarge particles in the materials; pure oxygen gas can be input into the inner cavity of the first furnace body through the multiple sets of gas inlet pipes, the oxygen content in materials is increased, impurities in the materials can be rapidly peeled off, mineral substances in the materials can be rapidly used as a leaching agent through acid leaching of hydrochloric acid in the hydrochloric acid device, and mineral impurities such as iron in the materials are removed; the vibrator continuously vibrates, so that materials are not accumulated, impurities are filtered out more cleanly, the heating bottom enables the materials falling onto the surface of the heating bottom to rapidly heat to evaporate water, and the microwave device effectively separates some organic matter components in the materials from hydrochloric acid under the action of an electromagnetic field.

The invention discloses a process device for producing freshly squeezed ancient brown sugar. The device comprises a rolling type sugarcane squeezer, a containing tank, a pump pressure filter, a buffertank, a conveying pump, a negative pressure electromagnetic dry-wet separator, a secondary electromagnetic evaporator and a continuous forming machine which are connected in sequence; the sugarcane is sent into a disinfection vehicle to be disinfected and then sent into the rolling type sugarcane squeezer to be squeezed, and sugarcane juice is sequentially subjected to pumping filtration, dry-wetseparation concentration, electromagnetic evaporation secondary concentration and continuous forming and mold overturning to obtain a brown sugar product. During dry-wet separation and concentration,the vacuum pump sucks away steam generated in the evaporation and concentration process, and the steam is sequentially filtered, condensed and filled to obtain filled distilled water. The invention can better protect and develop the ancient brown sugar sugar making technology, and can meet the requirements of safety, sanitation, high efficiency, adaptation to the age and modern market for endowing food with health and safety.

The invention relates to a filtering and collection unit of a pharmaceutical terminal for semi-finished products. The filtering and collection unit is of a fully sealed plate vane-type purification filter. The purification filter comprises a tank and an upper cover which are fixedly connected by flange bolts; a feed tube is arranged on top of the tank and a discharge tube is arranged at the bottom of the tank; the purification filter is characterized in that: a sieve plate is arranged slantwise at a distance above the bottom of the tank, and a collection tube is arranged on a side wall of the tank and on an upper surface of a lower end of the filter sieve plate; a collection and discharge tube spanning the tank is arranged above the filter sieve plate and has one end extending outside the tank and externally connected with the discharge tube; a plurality of plate-shaped filter mantles are arranged in parallel above the collection and discharge tube, and all plate-shaped filter mantles are provided with discharge openings at the bottoms for communicating with the collection and discharge tube. The purification filter helps solve problems of severe work environment, insalubrity, effect on quality of products and low production efficiency of in the existing manual filtering and collecting with cloth bags, and is especially suitable for enzymatic hydrolyzate filtration or resin collection during production of sodium heparin products.

The invention relates to a three-phase balanced electrified railway power supply system of a power grid, which comprises a step-down transformer, a high-voltage rectifier circuit, an LC1 filter circuit, a high-voltage DC inverter and an LC2 filter circuit connected in sequence. The invention fully considers the clutter problem of the circuit, and the system has an anti-interference function, and can filter the rectifying interference of the front stage and the inverting interference of the back stage. The invention changes the simple AC-DC-AC deviator, the LC1 filter circuit and LC2 filter circuit can remove clutter signals in the circuit correspondingly, the clutter interference can be reduced in the circuit. In addition, LC1 filter circuit and LC2 filter circuit can be used for high-voltage reactive power compensation to improve the efficiency of the circuit.