32results about How to "Normal filter" patented technology

The invention relates to an oil filtering system and method. The oil filtering system comprises a frame and is characterized by comprising a preheating module mounted on the frame for placing a lubricating oil storage tank, an extruding module partly arranged inside the preheating module for pressing the outer wall of the lubricating oil storage tank from bottom to top, a feeding module at least driven by an air cylinder to move and down and arranged right above the preheating module for sucking lubricating oil, and a filtering module communicated with the feeding module for receiving and filtering the lubricating oil. The oil filtering method comprises S1, storage tank installation, S2, preheating treatment, S3, water draining extrusion and S4, repeated extrusion. The oil filtering system and method has the advantages of being good in filtering effects and high in filtering efficiency.

The invention discloses a graded filtering device for water purification treatment of waterworks. The graded filtering device comprises a device main body, a driving motor and a graded filtering mainbody, wherein a water outlet is fixed at the lower side of the device main body; a support frame is arranged at the outer side of the device main body; a first sealing cover is arranged at one end ofthe device main body; the driving motor is arranged at the outer side of the first sealing cover; a second sealing cover is fixed at the other end of the device main body; a water inlet is formed in the outer side of the second sealing cover; the front end of the driving motor is connected to a rotatable connecting cover; the front end of the rotatable connecting cover is connected to the graded filtering main body through a first baffle plate; a rotating shaft is arranged inside the graded filtering main body; and a first scraping plate is fixed at the outer side of the rotating shaft. According to the graded filtering device for water purification treatment of waterworks, the surface of the graded filtering main body can be cleared through the rotation of the first scraping plate and a second scraping plate, so that the working efficiency of follow-up water filtration and the filtration effect are ensured.

The invention discloses an electric cabinet with high dustproof effect. The electric cabinet comprises a base. The top of the base is fixedly connected with a filtering box and a supporting block successively from left to right. One end, which is far from the base, of the supporting block is fixedly connected with a cabinet body. An air inlet at one side of the cabinet body is fixedly connected with a suction fan. The top of the filtering box is fixedly connected with a fixing leg, a blower fan and an air inlet pipe successively from left to right. The air outlet of the blower fan is fixedly connected with an air transferring pipe. One end, which is far from the blower fan, of the air transferring pipe, penetrates through and extends into the inner chamber of the filtering box. One end, which is far from the filtering box, of the air inlet pipe is fixedly connected with one side of the suction fan. According to the electric cabinet with high dustproof effect, through matching among thefiltering box, the blower fan, the air inlet pipe and the air transferring pipe, dust in the air is totally eliminated, thereby ensuring high sanitation in the cabinet body, ensuring no dust on innercomponents in the cabinet body, improving heat radiation effect of the inner components in the cabinet body, and furthermore ensuring normal operation of the inner components in the cabinet body.

The invention belongs to the field of aluminum alloy machining, in particular to high-strength aluminum alloy production equipment. To solve the problems that an existing aluminum alloy smelting furnace is not good enough in smelting effect, the smelting speed is low, and consequentially the aluminum alloy machining efficiency is low, a solution is put forward, wherein a production body and a control assembly which are arranged on a supporting frame are included, the production body comprises a furnace body, the furnace body is internally and fixedly provided with a pot body, a vacuum heatingcavity is formed between the pot body and the furnace body, an electric heating coil wound on the pot body is fixedly arranged in the vacuum heating cavity, the furnace body is provided with a gas charging pipe and a gas discharging pipe which communicate with the pot body, and the top of the furnace body is fixedly provided with a material guiding and preheating mechanism. According to the aluminum alloy production equipment, by means of a hollow material mixing rod, gas ports, a gas inlet pipe, a gas outlet pipe, a circulating air pump, an outer cylinder and an inner cylinder, hot air can begenerated through heat energy of the furnace body, raw materials are preheated through the hot air, the smelting speed of the raw materials is increased, energy is saved, and the production efficiency can be improved.

The invention belongs to the technical field of dust removal equipment, and particularly relates to a cyclone cylinder, a dust cup assembly and a dust collector. The cyclone cylinder comprises a cyclone cylinder body, at least one first cleaning part and a driving unit, wherein a plurality of filtering holes and a through groove which at least partially penetrates through the circumferential sidewall are formed in the circumferential side wall of the cyclone cylinder body; each first cleaning part at least partially extends out of the peripheral side wall through the through groove; and the driving unit is connected with the first cleaning parts, and the driving unit drives the first cleaning parts to move along the extending direction of the through groove. According to the cyclone cylinder, hairs wound on the outer surface of the cyclone cylinder can be effectively removed, so that the filtering holes of the cyclone cylinder body are not blocked by the hairs, and normal ventilationof the cyclone cylinder can be guaranteed, and the filtering efficiency of air is guaranteed; and the dust cup does not need to be opened in the cleaning process, all the cleaning processes are carried out inside the dust cup, and the pollution to the environment can be effectively reduced.

The invention discloses a wall-attached stabilizing device for a hydraulic engineering concrete tester. The wall-attached stabilizing device structurally comprises a rear carrier sleeve, a body, a wall-attached stabilizing unit, and an elastic impact rod. An outer rotating ring is rotated to drive conical base rails to rotationally contract; arc connection rods are moved leftward so that inner pressure of communicating pipes varies to push pushing connection discs; the pushing connection discs push pasting discs to drive tough needles to extend out; the multiple tough needles on a combinationdisc extend out at the same time to slightly lock the surface of a concrete wall; the combination of the tough needles is in ring shape, so that area of contact with the surface of concrete is enlarged; the elastic impact rod never skews when a concrete resiliometer performs detecting; it is ensured that the elastic impact rod never crushes a seal ring to cause deformation; the seal ring allows normal filtering of concrete dust; normal discs help temporarily prevent slip on dry concrete walls; the elastic impart rod never slips when detecting dry concrete; the elastic impact rod never damages;the surface of the dry concrete wall is never damaged.

The invention discloses a biomass gas making furnace dedusting apparatus and a dedusting method thereof. The biomass gas making furnace dedusting apparatus is characterized in that the spray nozzle of a spray head is upward, the upper end of the spray head is provided with a cylindrical latticed water storage frame, and the cylindrical latticed water storage frame is formed through closed wrapping of an upper dustproof and waterproof breathable film and a lower dustproof and waterproof breathable film, and is full of clear water; and the cylindrical latticed water storage frame is fixedly arranged in a dedusting tube through a lower flange and an upper flange. The method comprises the following steps: opening a ball valve, and upward spraying 65-90DEG C hot water to the end surface of the lower end of the cylindrical latticed water storage frame in a mist manner from the spray head. The apparatus and the method are suitable for dedusting of biomass gas making furnaces, and realize efficient and continuous dedusting effects through filtration of the cylindrical latticed water storage frame and water mist treatment.

The invention provides an anti-blocking sewage treatment device which comprises a box body and a box cover, a feeding hopper is arranged on the box cover, and a first filtering structure, a second filtering structure and a third filtering structure are sequentially mounted in the box body from top to bottom; the first filtering structure is used for filtering large-particle impurities; the second filtering structure is used for filtering medium particle impurities, the second filtering structure comprises a second filtering plate, a cleaning mechanism is arranged below the second filtering plate, and the cleaning mechanism can clean filtering holes of the second filtering plate; the third filtering structure is used for filtering small-particle impurities, the third filtering structure comprises a third filtering plate, a first scraping plate is arranged above the third filtering plate, the first scraping plate is driven by a driving mechanism and abuts against the third filtering plate to slide, and the first scraping plate can conduct scraping and brushing cleaning on the third filtering plate; the multi-stage sewage treatment device is novel in structure, can perform multi-stage treatment on sewage, can clean filtering parts of small and medium particle impurities, effectively prevents the filtering parts from being blocked, and maintains a relatively good filtering effect.

The invention discloses a filtering and residue removing device for edible oil processing, the filtering and residue removing device comprises a filtering box and a filtering net plate, the right side of the filtering box is provided with a cleaning mechanism, the cleaning mechanism comprises a bidirectional motor and a cleaning brush plate, the left side of the bidirectional motor is movably provided with a threaded rod, and the outer side of the threaded rod is provided with a threaded seat; an inclined scraping plate is mounted at one end of the sweeping brush plate, the filter screen plate is fixedly mounted in the filter box, the left side of the bidirectional motor is fixedly mounted on the right side surface of the filter box, and the upper end of the sweeping brush plate is fixed to the lower end of a threaded seat. According to the edible oil filtering device, oil residues falling on the filter screen plate and edible oil can be filtered, the oil residues on the filter screen plate can be cleaned, so that the eating quality of finished edible oil in the later period is improved, the oil residues blocked in holes of the filter screen plate can be cleaned, the filter screen plate is prevented from being blocked by the oil residues, and the edible oil filtering effect is improved. The filtering efficiency of the edible oil is improved.

The invention discloses a wastewater purification system for a red brick production workshop, and relates to the field of red brick production wastewater treatment. The wastewater purification systemcomprises a device main body; and fixing plates are fixed above both sides of the device main body. Through arrangement of a third motor, a driving shaft, a material turning plate, a discharging opening, a sealing plug and a limiting rod, when impurities on a filter screen need to be cleaned, a user pushes the limiting rod upwards, the limiting rod moves upwards to drive a sliding block to move upwards, the sliding block moves upwards to extrude a spring, and the spring is stressed and compressed; after the limiting rod does not contact with the sealing plug any more, a user takes out the sealing plug from the discharging opening, then the user starts the third motor through an operation table; the third motor works to drive the driving shaft to rotate; the driving shaft rotates to drive the material turning plate to rotate; and due to the fact that the bottom of the material turning plate makes contact with the filter screen, the impurities on the filter screen can be brought up whenthe material turning plate rotates; when the material turning plate rotates to one side of the discharging opening, impurities located at the top of the material turning plate can slide to the discharging opening, and the impurities are discharged through the discharging opening.

The invention discloses a sewer pipe filtering device. The technical scheme is characterized in that the sewer pipe filtering device comprises an upper connecting seat and a lower connecting seat which are connected with a sewer pipe, wherein a filtering unit is arranged between the upper connecting seat and the lower connecting seat and comprises a first connecting shaft horizontally and rotationally connected to the side wall of the lower connecting seat, a second connecting shaft rotationally connected to the side wall of one side, away from the first connecting shaft, of the lower connecting seat, a filter net, a sleeve glidingly connected to the upper connecting seat in the vertical direction, a rubber ring fixedly connected to the lower end surface of the sleeve and butted against the filter net as well as a spring nested on the upper connecting seat and pushing the sleeve to move downwards, one end of the filter net winds around the first connecting shaft, the other end of the filter net winds around the second connecting shaft, and a driving mechanism driving the second connecting shaft to rotate is arranged between the sleeve and the second connecting shaft. By means of the scheme, the filter net can be unchoked without dismounting the upper connecting seat and the lower connecting seat, and blocking of the filter net is prevented.

The invention discloses a high-speed reaction type low-pass filter, comprising an operational amplifier U1 and a switch phib1, a switch phia1, a switch phib2, a switch phia2, a switch phib3 and a switch phia3 that are sequentially connected in series, wherein the front end of the switch phib1 serves as the input end of the low-pass filter, the rear end of the switch phib1 is grounded through a capacitor C1, the rear end of the switch phia1 is grounded through a capacitor C2, the rear end of the switch phib2 is grounded through a capacitor C3, the rear end of the switch phib3 is grounded through a capacitor C4, the rear end of the switch phia3 is connected to the non-inverting end of the operational amplifier U1, the rear end of the switch phia2 is connected to the output end of the phase of the operational amplifier U1 through a capacitor C5, and the output end and the inverting end of the operational amplifier U1 are connected to each other to serve as the output end of the low-pass filter. According to the scheme of the invention, the angular frequency of low-pass filtering is reduced in the case of not reducing the channel switching speed, and thus the adverse influence of noiseon signals can be further reduced.

A dust filtering apparatus is characterized by comprising a gas inlet, a gas outlet, a tank provided with a dust outlet, and a filtering structure arranged in the tank. The filtering structure comprises a plurality of annular skeletons with increasing diameters, the annular skeleton with a smaller diameter is arranged in the annular skeleton with a bigger diameter, the cross section of each annular skeleton is in a U shape, the wall of each annular skeleton is provided with a plurality of through holes; annular sealing plates are arranged between the upper openings of annular skeletons, and the upper opening of the biggest annular skeleton and the tank; filter cloth is paved on the external lateral wall of each annular skeleton, the gas outlet is arranged in the top part of the tank, the gas inlet is arranged in the lower part of the tank, the dust outlet provided with a valve is arranged in the bottom of the tank, and the gas outlet is connected to an exhaust fan through a pipeline. Compared with the prior art, the provided dust filtering apparatus has the advantages that the air filtration capacity is large and the filter material cannot be destroyed easily.

The invention provides a loudspeaker box type flowerpot capable of adjusting and controlling watering by self-adapting to temperature. The loudspeaker box type flowerpot capable of adjusting and controlling watering by self-adapting to the temperature comprises a loudspeaker box frame, a basin body and a water storage box; the bottom of the basin body is fixed to the top of the loudspeaker box frame, a connecting hole is formed in the bottom of the surface of the basin body, and an inner separation net is fixedly connected to the inner surface of the basin body; and the water storage box is fixed to the outer side of the loudspeaker box frame, a sliding groove is formed in the bottom of the inner wall of the water storage box, a mounting hole is formed in the top of the water storage box,and a sealing groove is formed in one side of the top of the water storage box. The loudspeaker box type flowerpot capable of adjusting and controlling watering by self-adapting to the temperature hasthe advantages that residual hot tea water in an office can be filtered and cooled conveniently, unnecessary damage to green plants due to the fact that the hot tea water is directly poured into theflowerpot is avoided, and separated tea leaves are convenient to clean and maintain; and the cleanliness and normal filtration in a connecting cover are guaranteed, and the phenomenon that tea leavesare blocked after being accumulated is avoided.

The invention provides a device and method for improving the filtering capacity of an INBA rotary drum for dealing with foam slags. The device involves the rotary drum, wherein a distributor is arranged in the rotary drum, a buffer tank is fixed to the lower portion of the distributor, a bottom plate of the buffer tank is gradually inclined from top to bottom, and the inclination direction of thebottom plate is consistent with the rotation direction of the drum body, below the bottom plate, of the rotary drum. According to the device and method, slurry flows into one side of the rotary drum after being guided by the buffer tank, and due to the fact that the bottom plate of the buffer tank is gradually inclined from top to bottom, in the rotary lifting stage of the rotary drum, water flowsback to the lowest point of the rotary drum, and water granulated slag is followingly lifted by the combination of a slag lifting net and a filter screen so that the water and the slag can be quicklyseparated, and the overflow phenomenon is avoided.