30results about How to "Achieve aeration" patented technology

The invention provides a solid-liquid separation toilet bowl and a solid-liquid separation treatment system comprising the solid-liquid separation toilet bowl. The solid-liquid separation toilet bowl comprises a panel and a toilet bowl body, wherein the middle part of the panel is provided with a seat hole; the toilet bowl body is provided with a urine collection cavity and an excrement collection cavity; and the urine collection cavity and the excrement collection cavity are arranged with one in front of the other in longitudinal direction of the panel, are positioned below the seat hole and are opposite to the seat hole. Through the urine collection cavity and the excrement collection cavity formed in the toilet bowl body and by arranging the urine collection cavity and the excrement collection cavity with one in front of the other in the longitudinal direction of the panel, the urine collection cavity arranged at the front end is used for collecting urine, the excrement collection cavity arranged at the rear end is used for collecting the excrement, so that the urine and the excrement are effectively prevented from being mixed in the toilet bowl body; and thus, separation and recovery of the urine and the excrement are realized, further recycling of the excrement and the urine is realized respectively, and premise is provided for realizing the value of full utilization of the excrement and the urine.

The invention relates to a zanjon air lifting pushing solid circulation inversion A<2>O integrated construction oxidation ditch, which comprises an anoxic zone, an anaerobic zone, an aerobic zone provided with a millipore aerator group and an inversion A<2>O integrated construction oxidation ditch of a solid and liquid separating zone. The solid and liquid separating zone is arranged at the front end of a main ditch, the anaerobic zone is arranged at the tail end of the main ditch, and water inlets are respectively arranged at the front ends of the aerobic zone and the anaerobic zone. The integrated construction oxidation ditch is characterized in that a horizontal partition board which divides the main ditch into an upper groove layer and a lower groove layer is arranged at the middle-lower part of the main ditch, the aerobic zone and the anaerobic zone are respectively arranged at the upper groove layer and the lower groove layer, the aerobic zone is internally provided with n (n is more than or equal to 1) aeration lifting zone (s) which is (are) composed of an inlet water-retaining wall, an outlet water-retaining wall and the millipore aerator group and is (are) provided with a lower water inlet and an upper water outlet, the horizontal partition board of a first grade aeration lifting zone is provided with a plurality of lifting holes, and the aerobic zone is internally divided into n aerobic reaction zone (s) corresponding to the aeration lifting zone (s).The integrated construction oxidation ditch has the advantages that: the yielding water quality, particularly the dephosphorization and denitrification effect, is better, the occupation area is reduced, the equipment is reduced, the operation is simplified, and the operation cost is lowered.

The invention discloses an independent-aeration high-voltage pulse discharging water treatment reactor and a sewage treatment method thereof. The independent-aeration high-voltage pulse discharging water treatment reactor comprises at least one high-voltage pulse discharging reactor and at least one independent aeration device lower than the high-voltage pulse discharging reactor. According to the invention, O3 generated through high-voltage pulse discharging can be utilized more effectively for sewage treatment, meanwhile, pulse actions generated by a peristaltic pump can be effectively overcome, in addition, a porous titanium substrate is applied to an electrode of the high-voltage pulse discharging reactor, so that not only is the role of the electrode played, but also the purposes of aeration, liquid distribution, pulse inhibition and catalysis are achieved.

The invention relates to a rotary-type wastewater treating device, comprising a container, wherein a rotating shaft is arranged in the container; a toothed rotating disc with the rotating shaft as the axis is arranged at one end of the rotating shaft; two groups of cylinders with the rotating shaft as the center are arranged on the rotating disc; a slit is formed on the cylinder; a driving device is arranged on the container and connected with the rotating disc through a chain; a water outlet pipe and a dredge pipe are arranged on the sidewall of the container on which the driving device is mounted; and a water inlet pipe and a blow-down pipe are arranged on the other corresponding sidewall of the container. The rotary-type wastewater treating device is capable of thoroughly stirring the wastewater, and simultaneously capable of charging oxygen; and a micro-electrolytic material can be filled in the cylinders so that electrochemical and physical treatment processes are realized and caking and blockage can be prevented.

The invention belongs to the technical field of sewage treatment, and discloses a sewage filtering device. The device comprises a machine frame, the machine frame is provided with a water inlet box, afilter barrel and a collection tank, and a water inlet pipe is arranged between the water inlet box and the filter barrel; the filter barrel is provided with a gear, the machine frame is provided with an electrical machine, the filter barrel is provided with a water collecting ring, the water collecting ring includes a mounting plate, pure-water collecting rings and sewage collecting rings, and the mounting plate is connected with a rotating shaft; a supporting plate is arranged on a water purifying tank, the supporting plate is provided with a pressurizing mechanism, and the pressurizing mechanism includes an air storage cavity, a piston, a push rod, and a rotating rod; the air storage cavity is provided with an air inlet and an air outlet, and the supporting plate is provided with a through hole; and the side wall of the air storage cavity is provided with a first baffle, a second baffle is hinged on the lower surface of the supporting plate, a first magnet block is arranged on thesecond baffle, and a second magnet which is mutually attracted to the first magnet block is arranged on the supporting plate. The device provided by the invention solves the problem that impurities with larger particles can be cleaned, and impurities with smaller particles remain in water in the prior art.

The invention relates to a device and method for automatic wind-power sewage aeration, which comprise a wind blade, a transmission rod, an air compressor, a pipeline and aeration heads, the upper end of the transmission rod is connected with a rotary shaft of the wind blade, the lower end of the transmission rod is connected with the air compressor, the other end of the pipeline connected with the air outlet of the air compressor is provided with the aeration heads, and the aeration heads are uniformly placed into the bottom water body of a sewage tank. According to the sewage volume, the pipeline can be provided with a plurality of branches, and every branch is provided with one mircopore aeration head. When the wind blade rotates, the air enters the sewage in a micro-air bubble mode, and the dissolved oxygen density of the sewage is increased. The invention does not need to be provided with a wind-direction device and a speed limiter, has simple and reasonable structure, low manufacturing, installing and maintenance expenditure and high wind-power using rate, and effectively realizes aeration and increases the amount of the dissolved oxygen in the water body to reach the sewage processing effect. The method for aeration, which uses the wind power as power greatly reduces the energy consumption in the sewage processing process, and meets the national requirements of energy saving and discharge reduction.

The invention discloses a movable multi-functional water body purification device and method. The device comprises a suspension shell, a filter screen, a pipeline, an electronic germicide and algicide instrument, a lift pump, a mixer, an electrically operated valve, an emergent drug-feeding device, a solar panel and a storage battery, wherein the filter screen, the electronic germicide and algicide instrument, the lift pump, the mixer and the electrically operated valve are sequentially connected through the pipeline; a water inlet is formed in the bottom part of the suspension shell; one part of a water outlet is arranged in a water surface outside the suspension shell so as to be used as a drop aeration part, and one part of the water outlet is arranged in the tail part and horizontal backwards so as to be used as a device movement driving power part; the electronic germicide and algicide instrument is arranged on an outer wall of the pipeline; a self-generated alternating electromagnetic field can carry out germicide and algicide on a water body; the storage battery can store light energy collected by the solar panel and electric energy charged from outside so as to supply power for the device. The device synchronously realizes water body aeration, germicide and algicide, and an automatic driving function of the device; the method is a low-consumption water body purification method, and is applicable for purifying various polluted water bodies.

The invention discloses a breather tube for tourist toilet sewage purifying, and relates to the technical field of pollution treatment. The breather tube comprises a manure storage tank and a breathertube body, wherein the breather tube body is arranged inside the manure storage tank; a motor is started by an external switch, so that the breather tube body rotates, and therefore, gas is injectedinto a gas tank through action of a gas pump, gas in the gas tank is injected into the breather tube body through a gas inlet, and gas finally overflows through a gas outlet in the breather tube body,and therefore, aeration is performed in the manure storage tank; the breather tube body is in a rotation state, so that blockage is not liable to generate, and the aeration effect is uniform; a stirring paddle is used for stirring and mixing, magnets attract an iron block while a first connecting rod drives the magnets to rotate; and the first connecting rod and a second connecting rod are arranged in a staggered mode, so that magnets at upper and lower sides alternatively attract the iron block, so that the movable rod and the magnets shake up and down, and therefore, the mixing effect is improved; and moreover, a baffle plate is used for cutting, so that the mixing effect is improved, and the aeration effect is improved.

The invention relates to a water-distribution, gas-distribution and aeration multifunctional filter tube, a multifunctional filter tube filter tank, and a water treatment method. The filter tube has astrip-shaped tubular structure and an arched cross section, the top of the filter tube is provided with a filter tube top gas distribution hole, two sides of the waist part of the filter tube are symmetrically provided with filter tube side gas distribution holes, and the bottom plate of the filter tube is provided with filter tube water distribution holes and a vertical tube insertion hole; anda position, corresponding to the filter tube top gas distribution hole, of the top outer wall of the filter tube is detachably connected with an aerator. The filter tube of the invention has strong versatility, can be used in a conventional filter tank not requiring aeration, and also can be used in a filter tank that requires aeration. The filter tube of the invention can be widely applied to various types of new filter tanks such as a V-shaped filter tank, a deep bed filter tank and a flap filter tank, and can also be used in various filter tank reconstruction projects to achieve the purposeof replacing two independent water treatment process systems, required for the aeration process, the water distribution process and the gas distribution process in a biological aerated filter tank, with one process system.

The invention relates to an artificial wetland sewage treatment system provided with a high-position overflow trough, which comprises a bar screen, a water-collecting sedimentation tank, a high-position overflow trough and an artificial wetland, wherein the bar screen is positioned in the front of the water-collecting sedimentation tank, the yield water of the water-collecting sedimentation tank is pumped into the high-position overflow trough by a sewage pump, an overflow port of the high-position overflow trough is positioned above the water inlet end of the artificial wetland, a weir of which an overflow weir is horizontal is arranged 500 millimeters higher than the water surface of the artificial wetland, and the extending width of the weir is less than or equal to the width of the water inlet end of the artificial wetland below the weir. The water forms a waterfall shape when flowing down from the overflow trough, contacts air and obtains oxygen, and simultaneously generates impact and air bubbles when falling into the water surface of the artificial wetland to further improve the dissolution degree of the air and the oxygen. The base material of the artificial wetland comprises sand soil mixture, crushed stone, zeolite, limestone, coal slag, steel slag, blast furnace slag, crushed stone, porcelain granules, melon seed piece and pebble and can be cultivated with mussels, and the water outlet end of the artificial wetland is provided with a water storage tank. The artificial wetland sewage treatment system has a simple structure, and can effectively improve the processing effect of the artificial wetland and the purification degree of the yield water of the artificial wetland.

The invention discloses a kidney-tonifying traditional Chinese medicine composition for treating ischemic brain injury and a preparation method thereof, relates to the field of traditional Chinese medicines, and aims to solve the problems of poor treatment effect and single treatment mode of a traditional Chinese medicine for treating cerebral ischemic diseases by tonifying kidney and promoting brain circulation. The composition consists of radix rehmanniae preparata, fructus corni, fructus lycii, semen cuscutae, tortoise-plastron glue, rhizoma chuanxiong, ginseng, herba epimedii, poria cocosand herba cistanche, is combined with a traditional Chinese medicine fumigant and an auricular point patch for use, and has a remarkable curative effect on cerebral ischemic diseases. The compositionis applied to the field of brain injury treatment.

The invention relates to an elevated overflow tank pre-aeration oxidation ditch sewage treatment system, comprising a bar screen, a catchment sedimentation tank and an oxidation ditch, which are connected in turn; wherein, an inlet and outlet end of the oxidation ditch is provided with the elevated overflow tank; the water flowing out of the catchment sedimentation tank is pumped into the elevated overflow tank by a sewage pump; an overflow mouth of the elevated overflow tank is positioned above a water inlet of a constructed wetland; the elevated overflow tank is over 500mm higher than the water surface of the constructed wetland; an overflow weir of the elevated overflow tank is a horizontal weir with extension width less than or equal to the width of the water inlet of the constructed wetland below the weir; the oxidation ditch is provided with a plurality of parallel baffle plates which divide space in the ditch into a plurality of parallel ditches connected end to end; a plurality of aeration rotary brushes are arranged at intervals in the parallel ditches connected end to end; oxidization and nitration reactions mainly take place in an aerobic zone and hydrolysis and denitrification reactions mainly take place in an anoxic zone. The system features good aeration effect, can eliminate organic pollution, has certain functions of denitrification and dephosphorization and is mainly applicable to treating domestic sewage and other similar organic sewages.

The invention discloses a floating island type water body automatic purifying device. A horizontal base is arranged on a pond bottom; a main sleeve is vertically arranged on the horizontal base; a main shaft is arranged in the main sleeve; an auxiliary shaft is staggered above the main shaft; a driving gear is meshed with a driven gear; the main shaft is provided with a big inner round frame and an outer frame; a second support rod equally divides the outer frame into multiple sector planting areas in which outer grids are arranged respectively; the auxiliary shaft is provided with a small inner round frame; the small inner round frame is connected with the auxiliary shaft through multiple third support rods; an eight-diagrams fish shaped planting area is arranged in the small inner round frame; and an annular isolation area is arranged between the big inner round frame and the small inner round frame. In the invention, a crescent sail is arranged above the lower sleeve. The device disclosed by the invention makes efficient use of wind energy, integrates five functions of aeration, oxygenation, purification, beautifying and income increasing, and has the advantages of low production cost, simple structure and wide application range.

The invention discloses a fishery environment protection device for separate culture of various fishes. The fishery environment protection device comprises separate culture ponds, a water storage plate and a bottom pond which are arranged in a riverway, water inlets are formed in the multiple separate culture ponds, blocking nets are fixedly connected between the inner side walls of the ends, awayfrom the bottom pond, of the separate culture ponds, and water flow acceleration devices are arranged in the water inlets. By means of the fishery environment protection device, the water flow velocity in each separate culture pond can be controlled by rotating a knob, so that the requirements of living habits of the different fishes for the water flow velocity during separate culture are met, and the various fishes can be separately cultured in a same river at the same time; and the liquid levels at the water inlets are kept lower than the top ends of the water inlets by means of liquid level compensation devices, so that air can be mixed into river water when the river water is accelerated by stirring the river water during rotation, aeration is realized, the content of oxygen in the river water in the separated culture ponds of the fishery environment protection device for separated culture of the various fishes is increased, and the growth of the fishes is facilitated.

The invention provides a movable multi-angle ejector. The movable multi-angle ejector comprises a fixing support, a moving unit connected with the fixing support, a flushing water pump connected to one side of the fixing support, an ejection unit connected to the other side of the fixing support and a first swing unit installed on a water outlet pipe set of the ejection unit. The water outlet pipe set comprises a connecting elbow, a first rotating joint and a water outlet pipe which are sequentially communicated; the first swing unit comprises a water wheel and a swing rod, wherein the water wheel is rotationally arranged in a cylinder arranged in the middle of the connecting elbow; and one end of the swing rod is eccentrically connected with one end of the water wheel extending to the outside of the cylindrical cylinder, and the other end is in sliding connection with the outer side wall of the water outlet pipe. The ejection unit is driven by the moving unit to integrally move in the horizontal direction, and the flushing range of the ejection unit can be enlarged; meanwhile, the water outlet pipe is driven by the first swing unit to swing in the vertical direction, the water outlet angle can be adjusted, the water falling point can be changed to expand the flushing range, and therefore, the sediment removing effect of the storage pond is improved.

The invention discloses a filter and disinfection device for a cultural water body, wherein the filter and disinfection device comprises a box body; one side of the box body is provided with a cultural water body inlet pipe; an inner cavity of the box body is provided with a filter screen; the filter screen is arranged at the inner side of a water inlet of the box body; the inner cavity of the boxbody is also provided with a filter plate, the other side of the box body is provided with a drainage port, and the drainage port communicates with a UV disinfector through a drainage pipe; the UV disinfector is connected with a discharge pipe. The device also comprises an aeration device; the aeration device is arranged above the box body, and the aeration device is connected with the box body through a pipeline. The structure principle is simple, the filtration, aeration and disinfection treatment of the cultural water body can be realized, bacteria and organic pollutants in the cultural water body can be effectively removed, and the cultural quality is improved.

The invention discloses an aerating-sprinkling integrated system applied to a sequencing batch type dry-fermentation device. The aerating-sprinkling integrated system comprises an anaerobic dry fermentation reactor, a plurality of aerating sprinkling pipelines, a leachate collecting region, an air inlet pipe and a control center, wherein the aerating sprinkling pipelines are uniformly distributedat the two sides of the internal cavity of the anaerobic dry fermentation reactor, and tops of the aerating sprinkling pipelines are connected in series through a pipeline; spray headers are uniformlydistributed at single sides of the aerating sprinkling pipelines, aerating pore passages are formed in the other sides of the aerating sprinkling pipelines, and motor-driven rotatable baffles are arranged in internal chambers of the aerating sprinkling pipelines; the leachate collecting region is arranged at the bottom of the anaerobic dry fermentation reactor, and the bottom of the leachate collecting region is connected with the tops of the aerating sprinkling pipelines through spraying pipelines; and one end of the air inlet pipe is connected with an air blower, and the other end of the air inlet pipe communicates with a top pipeline of each aerating sprinkling pipeline. The application of the system is intelligently controlled, intelligent control on aerating and sprinkling can be achieved, the uniformity of aerating and sprinkling is improved, the fermentation space is saved, material charging and discharging are facilitated, the operation is simple and convenient, and the gas production rate is increased.

The invention discloses an unpowered biological rotating cage, a sewage treatment system and a sewage treatment method.The biological rotating cage comprises a supporting base and a vertically-arranged rotating disc, the rotating disc is rotatably arranged on the supporting base, and the biological rotating cage further comprises an annular biological reaction bed; the biological reaction bed is composed of an inner ring shell, an outer ring shell and annular sealing plates, the inner ring shell and the outer ring shell are concentric, the annular sealing plates are used for sealing the two sides of the inner ring shell and the outer ring shell, a plurality of partition plates are arranged in an annular cavity, and all the partition plates are evenly distributed along the circumference of the biological reaction bed to divide the annular cavity into a plurality of reaction cavities; each reaction cavity is filled with a first biological filler, a water collecting plate is obliquely arranged on the outer ring shell corresponding to each reaction cavity, the inclination directions of all the water collecting plates are the same when the water collecting plates rotate to the same position, and a plurality of water passing holes are formed in the four side walls of the reaction cavity corresponding to the inclination direction of each water collecting plate. The device has no energy consumption, is convenient to maintain, and is beneficial to improving the aeration efficiency and prolonging the hydraulic retention time, thereby being beneficial to improving the sewage treatment efficiency.

The invention discloses a reactor for implementing static cultivation and continuous growth of aerobic filamentous biological membranes. The reactor comprises a feeding tank, a peristaltic pump, an aeration pump, a gas flow meter, a reaction tank, a carrier supporting frame, an upper partition plate, upper guide pipes, vascular carriers, a lower partition plate, lower guide pipes, supporting seats, a porous aeration pipe and a fence. Pumped gas is regulated through the gas flow meter and then enters the porous aeration pipe to form bubbles, the bubbles are gathered by the fence and the supporting seats and promote and drive wastewater to flow upwards through the interior of the vascular carriers by hollow passages formed by the lower guide pipes, the vascular carriers and the upper guide pipes, direct impact of the bubbles and wastewater on the aerobic filamentous biological membranes is avoided, the aerobic filamentous biological membranes in the reactor acquire oxygen and nutrients from the interior of the vascular carriers, and accordingly aging and death of the aerobic filamentous biological membranes attached to the vascular carriers in the reactor due to deficiency of oxygenand nutrients are avoided, and the problem of complete shedding of the aerobic filamentous biological membranes from the vascular carriers is solved.

The invention discloses an independent-aeration high-voltage pulse discharging water treatment reactor and a sewage treatment method thereof. The independent-aeration high-voltage pulse discharging water treatment reactor comprises at least one high-voltage pulse discharging reactor and at least one independent aeration device lower than the high-voltage pulse discharging reactor. According to the invention, O3 generated through high-voltage pulse discharging can be utilized more effectively for sewage treatment, meanwhile, pulse actions generated by a peristaltic pump can be effectively overcome, in addition, a porous titanium substrate is applied to an electrode of the high-voltage pulse discharging reactor, so that not only is the role of the electrode played, but also the purposes of aeration, liquid distribution, pulse inhibition and catalysis are achieved.

The invention discloses a double-propeller self-balancing water tillage machine and an implementation method, and belongs to the field of water health treatment. The double-propeller self-balancing water tillage machine comprises an aeration device and a water tillage device, wherein a motor device is arranged at the lower portion of the aeration device, and the water tillage device is fixedly connected to the lower portion of the aeration device and comprises a transmission device and water tillage propellers; the transmission device is connected with the motor device and fixedly connected with the lower portion of the aeration device, the water tillage propellers comprise the first water tillage propeller and the second water tillage propeller which rotate in opposite directions, and thefirst water tillage propeller and the second water tillage propeller are connected with the motor device through the transmission device separately. The invention further discloses the implementationmethod. According to the double-propeller self-balancing water tillage machine and the implementation method, the operation is simplified, blades achieve self-balancing during rotation, and the double-propeller self-balancing water tillage machine does not move in the working process.

The invention discloses a movable multi-functional water body purification device and method. The device comprises a suspension shell, a filter screen, a pipeline, an electronic germicide and algicide instrument, a lift pump, a mixer, an electrically operated valve, an emergent drug-feeding device, a solar panel and a storage battery, wherein the filter screen, the electronic germicide and algicide instrument, the lift pump, the mixer and the electrically operated valve are sequentially connected through the pipeline; a water inlet is formed in the bottom part of the suspension shell; one part of a water outlet is arranged in a water surface outside the suspension shell so as to be used as a drop aeration part, and one part of the water outlet is arranged in the tail part and horizontal backwards so as to be used as a device movement driving power part; the electronic germicide and algicide instrument is arranged on an outer wall of the pipeline; a self-generated alternating electromagnetic field can carry out germicide and algicide on a water body; the storage battery can store light energy collected by the solar panel and electric energy charged from outside so as to supply power for the device. The device synchronously realizes water body aeration, germicide and algicide, and an automatic driving function of the device; the method is a low-consumption water body purification method, and is applicable for purifying various polluted water bodies.

The invention discloses a rotation aeration ejector and a control system thereof. The rotation aeration ejector comprises a base, a guide rod support and a guide rod; the base is fixedly mounted on afloor at the bottom of a pool through foundation bolts, the guide rod base is mounted on the base through foundation bolts, and the guide rod is welded to the guide rod base; a power pump is mounted at the right end of a self-coupling mechanism through connecting bolts, and a rotating tee joint is mounted at the top end of the self-coupling mechanism through connecting bolts; a steering driving mechanism is mounted at the top end of the rotating tee joint and fixed to the self-coupling mechanism through a fixing mechanism; the right end of a power pipeline is mounted on the rotating tee jointthrough flanges, and a mixed gas box is mounted at the outlet end of the power pipeline through flanges; and an aeration outlet pipe is mounted at the outlet end of the mixed gas box through flanges,a gas inlet pipeline communicates with the mixed gas box, and a filter net is mounted at the top end of the gas inlet pipeline. The rotation aeration ejector and the control system are scientific andreasonable in design, simple in structure and convenient to operate.

The present invention relates to the technical field of sewage treatment, in particular to an automatic sewage treatment tank, comprising a tank body, a flocculation liquid addition pipe and a sewage inlet pipe connected to the inner cavity of the tank body are arranged on one side of the upper end of the tank body, the tank body One side of the lower end of the body is provided with a sewage outlet pipe communicating with the inner cavity of the tank; the upper end of the inner wall of the tank is fixed with a horizontally arranged annular plate, and an inner cylinder with an open upper end is arranged inside the annular plate, and the upper end of the inner cylinder is set There is a flange lapped on the annular plate, and the lower end of the inner cylinder is provided with a discharge port; through the setting of the auxiliary stirring rod and the third spring, the auxiliary stirring rod can overcome the spring and swing outward under the action of centrifugal force, so the The attitude of the auxiliary stirring rod is different when the speed is different, so it can fully stir the sewage, increase the effect of flocculation, improve the efficiency of flocculation, and thus meet the expected water quality requirements.

The invention discloses a rotary drum type wastewater processing device, which relates to the field of wastewater processing. The rotary drum type wastewater processing device comprises a reaction pool, wherein a rotary drum is arranged in the reaction pool; the rotary drum is fixed to a synchronizing wheel through a threaded hole; the reaction pool is provided with a power system; the power system drives the synchronizing wheel to rotate through a synchronizing belt; the middle of the rotary drum is provided with a long shaft; two sides of the rotary drum are respectively provided with a diskedge cover; each disk edge cover is provided with a groove; an inner side plate and an outer side plate are clamped in the groove. The rotary drum type wastewater processing device has a simple structure and is convenient in replacing scrap iron, the scrap iron is unlikely to harden, the filler is large, in addition, small holes in the outer side plate enable water and air to be conveyed into thefiller so as to accelerate the internal circulation of water, the aeration of reaction liquid is realized, and reaction is sufficient. In addition, at a definite revolving speed, the center of gravity of the entire rotary drum is near the central axis of the rotary drum in a filler consumption process, so that torque is smaller, and the provided energy is smaller, and therefore, energy consumption is lowered.

The invention belongs to the technical field of sewage treatment, and discloses a sewage filtering device. The device comprises a machine frame, the machine frame is provided with a water inlet box, afilter barrel and a collection tank, and a water inlet pipe is arranged between the water inlet box and the filter barrel; the filter barrel is provided with a gear, the machine frame is provided with an electrical machine, the filter barrel is provided with a water collecting ring, the water collecting ring includes a mounting plate, pure-water collecting rings and sewage collecting rings, and the mounting plate is connected with a rotating shaft; a supporting plate is arranged on a water purifying tank, the supporting plate is provided with a pressurizing mechanism, and the pressurizing mechanism includes an air storage cavity, a piston, a push rod, and a rotating rod; the air storage cavity is provided with an air inlet and an air outlet, and the supporting plate is provided with a through hole; and the side wall of the air storage cavity is provided with a first baffle, a second baffle is hinged on the lower surface of the supporting plate, a first magnet block is arranged on thesecond baffle, and a second magnet which is mutually attracted to the first magnet block is arranged on the supporting plate. The device provided by the invention solves the problem that impurities with larger particles can be cleaned, and impurities with smaller particles remain in water in the prior art.