CN117735691A - Sewage treatment equipment with multistage filtering function - Google Patents

Abstract

The invention belongs to the technical field of sewage treatment, and particularly discloses sewage treatment equipment with a multi-stage filtering function, which comprises a discharge area, wherein a preliminary filtering area is arranged below the discharge area, a dosing mixing area is arranged below the preliminary filtering area, a multi-stage filtering area is arranged below the dosing mixing area, the discharge area is arranged outside the bottom end of the multi-stage filtering area, the discharge area comprises a water inlet pipe, a shunt pipe is arranged below the water inlet pipe, a top cover is sleeved outside the shunt pipe, a first driving device is fixed at the position inside the top cover and positioned at one side of the shunt pipe, the preliminary filtering area comprises a filtering and cleaning device, and an anti-blocking device is arranged at the bottom of the filtering and cleaning device; the sewage enters the treatment equipment and firstly enters the discharge area, the invention is provided with the diversion pipeline in the discharge area, and the diversion pipeline can rotate under the drive of the first driving device, so that the sewage introduced into the diversion pipeline can cover the whole surface of the filter plate, and can not only pass through the local area of the filter plate, thereby avoiding the problem of local blockage.

Description

Sewage treatment equipment with multistage filtering function

Technical Field

The invention belongs to the technical field of sewage treatment, and particularly relates to sewage treatment equipment with a multi-stage filtering function.

Background

With the rapid development of Chinese economy in recent years, various environmental pollution problems are inevitably generated, wherein the problems about water pollution are focused, and particularly under the general awareness of people on environmental awareness, the water pollution sources are generally divided into industrial production sewage and domestic sewage and comprise floating and suspended solid particles, gelatinous and gelatinous diffusions, pure solutions and other forms according to specific external manifestations.

In the actual production and life, in order to purify sewage, sewage treatment equipment is usually required, which is industrial equipment capable of effectively treating urban domestic sewage, industrial wastewater and the like, can avoid sewage and pollutants from directly flowing into a water area, has great significance for improving ecological environment, improving urban grade and promoting economic development, and in the actual sewage treatment process, the sewage treatment equipment is possibly blocked due to the fact that a large number of impurity particles are contained in the sewage, and the sewage treatment effect is influenced, so that the sewage is required to be filtered when the sewage is treated by the treatment equipment, and the impurities in the sewage pipeline are generally blocked by adopting a filter screen, so that a problem is caused.

Disclosure of Invention

The invention aims to solve the problems that a filter screen in treatment equipment is blocked by impurity particles, the efficiency of sewage treatment is affected, small particle impurities which cannot be intercepted pass through a filter screen with a single-layer fixed aperture, the water treatment effect is affected, and the like.

The invention realizes the above purpose through the following technical scheme: the device comprises a discharge area, wherein a preliminary filtering area is arranged below the discharge area, the preliminary filtering is carried out on the sewage which is discharged initially, a dosing mixing area is arranged below the preliminary filtering area, a multi-stage filtering area is arranged below the dosing mixing area, and a discharge area is arranged outside the bottom end of the multi-stage filtering area;

the drainage area comprises a water inlet pipe, a shunt pipe is arranged below the water inlet pipe, a top cover is sleeved outside the shunt pipe, and a first driving device is fixed at the position inside the top cover and positioned at one side of the shunt pipe;

the primary filtering area comprises a filtering and cleaning device, an anti-blocking device is arranged at the bottom of the filtering and cleaning device, and the filtering and cleaning device and the anti-blocking device are matched with each other to remove slag in the primary filtering area, so that the dredging and anti-blocking effects are achieved;

the dosing mixing area comprises a dosing mixing device and a second driving device, and the dosing mixing device and the second driving device are matched with each other to realize the proportioning mixing of various medicines at the same time;

the multistage filtering zone comprises a multistage filtering cylinder and a third driving device, and the multistage filtering cylinder is driven by the third driving device to perform multilayer impurity removal filtering.

Further, the water inlet pipe comprises a water inlet pipe orifice, a water inlet pipe body is arranged below the water inlet pipe orifice, and a first sliding groove is formed in the inner diameter surface of the bottom of the water inlet pipe body;

the shunt tube comprises a shunt cover, a circle of sealing strip is arranged at the top of the shunt cover and rotates in the first sliding groove, a circle of annular racks are arranged on the outer diameter surface of the bottom end of the shunt cover, a plurality of shunt tube bodies extend out of the shunt cover, and a fixing ring is integrally connected to the outer part of the bottom end of each shunt tube body;

the first driving device comprises a motor fixing plate, a first motor is fixed on the motor fixing plate, a first gear is arranged at the output end below the first motor, and the first gear is meshed with the annular rack.

Further, the filtering and cleaning device comprises a filter plate, a plurality of filtering holes are uniformly formed in the filter plate, a cleaning device is arranged above the filter plate, and a collecting device is arranged on one side of the cleaning device;

the cleaning device comprises a cleaning roller, two ends of the cleaning roller are respectively provided with a second gear, the outer side of the second gear is directly connected with a second motor, and racks meshed with the second gears are respectively arranged below the second gears;

the collecting device comprises a collecting frame, a baffle is arranged in the collecting frame and positioned at one side of the cleaning roller, a row of bristle brushes are arranged at the top and the bottom of the baffle, a micro motor is arranged at the position which is outside the collecting frame and is directly connected with the baffle, and a scraper is arranged at the position which is at the other side bottom of the cleaning roller and is connected with the bottom of the collecting frame;

the anti-blocking device comprises a turnover plate, a plurality of columns are uniformly arranged above the turnover plate, the columns just fill up the filtering holes, fixing plates are arranged at four corners of the bottom of the filtering plate, the side walls of the fixing plates are fixedly provided with turnover motors, and the output ends of the turnover motors are directly connected with the turnover plates.

Further, the dosing and mixing device comprises a box body, wherein a plurality of medicine boxes are uniformly arranged on the outer walls of two ends of the box body, medicine discharging pipelines are respectively arranged at the positions, which are connected with the medicine boxes, of the inner walls of the box body, each medicine discharging pipeline is a hard pipe, a supporting plate is respectively arranged at the bottom of each medicine discharging pipeline, a second rack is respectively arranged below each supporting plate, a third gear is respectively arranged at the position, which is meshed with each second rack, below each medicine discharging pipeline, a stirring roller is respectively fixed below each third gear, a plurality of stirring rods extend around the outer part of each stirring roller, each stirring roller and each stirring rod are hollow in the inner part and correspond to the aperture of each medicine discharging pipeline, and heating wires are wound on the outer diameter surfaces of the stirring rollers;

the second driving device comprises a screw rod, the screw rod is parallel to the supporting plate, a third motor is arranged on the outer side wall of the box body and is directly connected with the screw rod, the outer diameter surface of the screw rod is slidably connected with a sliding block, sliding plates are fixed at two ends of the sliding block, a third gear is fixed at two ends of the sliding plate and is rotatable relative to the sliding plate, and inductors are fixed above the two ends of the sliding plate.

Further, the multistage filter cartridge comprises an outer cylinder, the upper half part of the outer cylinder is a solid plate, the lower half part of the outer cylinder is provided with a plurality of three-stage filter holes, a middle cylinder is arranged in the outer cylinder, the middle cylinder is integrally provided with a plurality of two-stage filter holes, the middle cylinder is internally provided with an inner cylinder, the inner cylinder is integrally provided with a plurality of one-stage filter holes, the apertures of the three-stage filter holes, the two-stage filter holes and the one-stage filter holes are sequentially reduced, and vibrators are fixed at the top ends of the outer cylinder, the middle cylinder and the outer part of the inner cylinder;

the third driving device comprises a fourth motor, a driving gear is arranged below the fourth motor, two auxiliary gears are sequentially arranged on one side of the driving gear, a driven gear is arranged on one side of the auxiliary gears, one end second annular racks are arranged on the inner diameter surface and the outer diameter surface of the top end of the outer cylinder, the inner cylinder and the inner diameter surface of the top end of the inner cylinder, an external gear is meshed between the top ends of the outer cylinder and the inner cylinder and connected with the driving gear, and an internal gear is meshed between the top ends of the inner cylinder and connected with the driven gear.

Further, the discharge area comprises a discharge box body, and water outlet pipes are arranged at the bottom of the discharge box body and at the positions of two sides of the multi-stage filter cartridge.

Further, the discharge area comprises a discharge box body, water outlet pipes are arranged at the bottom of the discharge box body and at the positions of two sides of the multi-stage filter cartridge, a slope is arranged at the position, which is clung to the inner wall, of the discharge box body, and a plurality of protrusions are uniformly arranged on the slope.

Further, supporting legs are arranged at four corners below the discharging area, supporting feet are arranged below the supporting legs, and the supporting legs and the supporting feet are matched with each other to play a supporting role on the whole device.

The beneficial effects are that: 1. the sewage enters the treatment equipment and firstly enters the discharge area, the invention is provided with the diversion pipeline in the discharge area, and the diversion pipeline is driven by the first driving device to rotate, so that the sewage introduced into the diversion pipeline can cover the whole surface of the filter plate, and can not only pass through the local area of the filter plate, thereby avoiding the occurrence of local blockage problem;

2. the filter cleaning device and the anti-blocking device are matched with each other to remove slag from the filter plate of the preliminary filtering area, so that the effect of dredging and blocking prevention is achieved, particularly, the cleaning device can sweep residues remained on the filter plate, a residue scraper which is not swept by a certain stubborn cleaning roller can also scrape the residues, the cleaning roller can be easily swept by the scraper after the scraping, and the residues in the collecting frame can be prevented from leaking out of the baffle plate to block and isolate the residues;

3. the second driving device can control the stirring roller to pass through a medicine box containing different medicines and is connected with a medicine outlet of the stirring roller, the different medicines enter the hollow stirring roller and are discharged into the sewage through a stirring rod, and meanwhile, the heating wire can heat the sewage to accelerate the dissolution of the medicines, so that the sewage purification efficiency is improved;

4. the multistage cartridge filter carries out the rapid rotation under the control of third drive arrangement, and sewage can be got rid of under centrifugal force effect, can pass through the cartridge filter of different apertures in proper order at the in-process that gets rid of, and the sediment or the granule that produce under above-mentioned medicine effect can be isolated in the cartridge filter like this, and the long-time work cartridge filter produces the attachment if the vibrator can shake it and scatter, plays the effect of washing cartridge filter.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic cross-sectional structure of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of the water inlet pipe structure of the present invention;

fig. 5 is a schematic view of a shunt and a first driver according to the present invention;

FIG. 6 is a schematic diagram of a filter cleaning apparatus according to the present invention;

FIG. 7 is a schematic view of the structure of the collecting device of the present invention;

FIG. 8 is a schematic view of an anti-clogging device of the present invention;

FIG. 9 is a schematic diagram of the structure of the drug adding and mixing device and the second driving device of the present invention;

FIG. 10 is a schematic view of a multi-stage filter cartridge and a third actuator according to the present invention;

FIG. 11 is a schematic view of a multi-stage filter cartridge and a third actuator according to another embodiment of the present invention;

FIG. 12 is a schematic view of the structure of the discharge zone of the present invention;

fig. 13 is a schematic structural view of a second embodiment of the present invention.

In the figure: 1-discharge zone, 2-preliminary filtration zone, 3-dosing mixing zone, 4-multistage filtration zone, 5-discharge zone, 6-supporting leg and 7-supporting leg;

11-a water inlet pipe, 12-a shunt pipe, 13-a top cover and 14-a first driving device;

21-a filtering and cleaning device and 22-an anti-blocking device;

31-a dosing and mixing device and 32-a second driving device;

41-a multi-stage cartridge filter, 42-a third drive;

51-a discharge box body, 52-a water outlet pipe, 53-a slope surface and 54-a bulge;

111-a water inlet pipe orifice, 112-a water inlet pipe body and 113-a first chute;

121-of a shunt cover, 122-of a sealing strip, 123-of an annular rack, 124-of a shunt tube body and 125-of a fixing ring;

141-a motor fixing plate, 142-a first motor and 143-a first gear;

211-filter plate, 212-filter hole, 213-cleaning device, 214-collecting device;

221-overturning plates, 222-columns, 223-fixed plates and 224-overturning motors;

311-box body, 312-medicine box, 313-medicine feeding pipeline, 314-supporting plate, 315-second rack, 316-third gear, 317-stirring roller, 318-stirring rod and 319-heating wire;

321-screw rod, 322-third motor, 323-sliding block, 324-sliding plate and 325-inductor;

411-outer cylinder, 412-three-stage filter hole, 413-middle cylinder, 414-two-stage filter hole, 415-inner cylinder, 416-one-stage filter hole, 417-vibrator;

421-fourth motor, 422-driving gear, 423-auxiliary gear, 424-driven gear, 425-second annular rack, 426-external gear, 427-internal gear;

2131-a cleaning roller, 2132-a second gear, 2133-a second motor, 2134-a rack;

2141-collection frame, 2142-baffle, 2143-bristle brush, 2144-micro motor, 2145-scraper.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

the sewage treatment equipment with the multistage filtering function is shown in the combination of fig. 1-3, the sewage treatment equipment comprises a discharge area 1, a preliminary filtering area 2 is arranged below the discharge area 1, a dosing mixing area 3 is arranged below the preliminary filtering area 2, a multistage filtering area 4 is arranged below the dosing mixing area 3, a discharge area 5 is arranged outside the bottom end of the multistage filtering area 4, sewage firstly passes through the discharge area 1 when being introduced into the treatment equipment, the aperture of the top end of the discharge area 1 is smaller, the sewage treatment equipment is conveniently connected with a sewage pipeline, the bottom end of the sewage treatment equipment gradually increases downwards, the preliminary filtering area 2 is fixedly connected with the preliminary filtering area 2 below the sewage, the preliminary filtering area 2 plays a role of preliminary filtering, large particle impurities just discharged into the sewage can be isolated, the preliminary filtering area 2 is directly connected with the dosing mixing area 3, the places for mixing and dissolving different medicines are formed by the names, the sewage can be discharged downwards to the multistage filtering area 4 after the medicine is purified and the impurities are separated or precipitated, the multistage filtering area 4 is filtered again by the sewage after the medicine solution and finally discharged to the discharge area 5, the support legs are arranged below the support legs 7 and the support legs 7 are arranged at the bottom sides of the support legs 6, and the support legs 7 are arranged in an anti-skid manner, and the anti-skid device is used for preventing the problem from being caused by the increase of the vibration of the bottoms of the support legs and the support legs 6;

the drainage area 1 comprises a water inlet pipe 11, a shunt pipe 12 is arranged below the water inlet pipe 11, a top cover 13 is sleeved outside the shunt pipe 12, a first driving device 14 is fixed at a position inside the top cover 13 and positioned at one side of the shunt pipe 12, a notch for accommodating the water inlet pipe 11 is formed in the top wall of the top cover 13, the water inlet pipe 11 and the top cover 13 are fixedly connected, the water inlet pipe 11 is in a reverse-buckling funnel shape, the shunt pipe 12 and the water inlet pipe 11 are rotatably connected, and because the water inlet pipe 11 is fixed on the top cover 13, the first driving device 14 does not drive the water inlet pipe 11 to rotate together when driving the shunt pipe 12 to rotate, an annular groove is formed at a position where the inner diameter surface of the top cover 13 is in direct contact with the shunt pipe 12 and is used for assisting the rotation of the shunt pipe 12, the cover surface of sewage drainage inside the shunt pipe is enlarged under the rotation of the shunt pipe 12, and the cover surface is not accumulated on a small block, so that the problem of frequent blockage can be effectively avoided;

the primary filtering area 2 comprises a filtering and cleaning device 21, an anti-blocking device 22 is arranged at the bottom of the filtering and cleaning device 21, the filtering and cleaning device 21 and the anti-blocking device 22 are matched with each other to remove slag from the primary filtering area 2, and the effect of dredging and blocking prevention is achieved, particularly, as the primary filtering area 2 is directly connected with the discharge area 1 above the primary filtering area 2, sewage discharged from the shunt tube 12 can directly enter the primary filtering area 2, the external shell of the primary filtering area 2 and the top cover 13 are fixedly connected, the filtering and cleaning device 21 in the shell performs primary filtering and cleaning on the sewage, and if a blocking problem occurs in the filtering process, the anti-blocking device 22 can dredge a blocking position;

the dosing and mixing area 3 comprises a dosing and mixing device 31 and a second driving device 32, the dosing and mixing device 31 and the second driving device 32 are matched with each other to realize the mixing of multiple medicines simultaneously, the outer shell of the dosing and mixing area 3 is directly connected with the shell of the preliminary filtering area 2, and the dosing and mixing device 31 can move under the driving of the second driving device 32 to realize the purposes of adding multiple medicines and mixing and dissolving the various medicines;

the multistage filtering zone 4 comprises a multistage filtering cylinder 41 and a third driving device 42, the multistage filtering cylinder 41 performs multilayer impurity removal and filtration under the driving of the third driving device 42, a large amount of impurities or precipitates can be separated out from sewage after passing through the dosing and mixing zone 3 under the purification of medicines, and the purpose of the multistage filtering cylinder 41 is to separate the sewage from the precipitated impurities, and the effect is realized under the driving of the third driving device 42.

As shown in fig. 4 and 5, the water inlet pipe 11 comprises a water inlet pipe orifice 111, a water inlet pipe body 112 is arranged below the water inlet pipe orifice 111, a first chute 113 is formed on the inner diameter surface of the bottom of the water inlet pipe body 112, the water inlet pipe orifice 111 and the water inlet pipe body 112 are connected in an integrated manner, a circle of external threads are formed on the outer diameter surface of the water inlet pipe orifice 111, the water inlet pipe orifice 111 can be matched with a sewage pipeline accessed from the outside, water inlet pipe orifices 111 with different pore diameters can be selected in practical application, the diameter of the water inlet pipe body 112 gradually increases from top to bottom, the first chute 113 is used for directly connecting the top end of the shunt pipe 12, and the shunt pipe 12 can rotate relative to the water inlet pipe 11;

the shunt tube 12 comprises a shunt cover 121, a circle of sealing strips 122 are arranged at the top of the shunt cover 121 and rotate in a first sliding groove 113, a circle of annular racks 123 are arranged on the outer diameter surface of the bottom end of the shunt cover 121, a plurality of shunt tube bodies 124 extend out of the inside of the shunt cover 121, a fixed ring 125 is integrally connected to the outer part of the bottom end of the shunt tube bodies 124, the shunt cover 121 is directly connected with a water inlet tube body 112, the sealing strips 122 just fit and fill in the first sliding groove 113 after connection, on one hand, the two are convenient to rotate, on the other hand, the tightness during rotation is guaranteed, the problem of water leakage does not occur, the shunt tube bodies 124 penetrate through the shunt cover 121 in an integral connection mode, the number of the shunt tube bodies 124 is at least 4, the number of the shunt tube bodies 124 extends to the position around the west of the shunt cover 121, the fixed ring 125 is fixedly connected with the shunt tube bodies 124, and the fixed ring 125 can drive the shunt tube bodies 124 to rotate in an annular groove formed in the inner wall of the top cover 13 during operation;

the first driving device 14 includes a motor fixing plate 141, a first motor 142 is fixed on the motor fixing plate 141, a first gear 143 is disposed at an output end below the first motor 142, the first gear 143 is meshed with the annular rack 123, the motor fixing plate 141 is fixed on a top wall in the top cover 13, and is directly connected with the water inlet pipe body 112, the first motor 142 directly drives the first gear 143 to rotate when working, the first gear 143 rotates and drives the annular rack 123 meshed with the first gear 143 to rotate, and the annular rack 123 is fixed on an outer diameter surface of the split cover 121, so that the split cover 121 also rotates.

As shown in fig. 6-8, the filtering and cleaning device 21 comprises a filter plate 211, a plurality of filtering holes 212 are uniformly formed in the filter plate 211, a cleaning device 213 is arranged above the filter plate 211, a collecting device 214 is arranged on one side of the cleaning device 213, the filtering and cleaning device 21 is mainly divided into three parts, wherein the filter plate 211 specifically plays a role in preliminary filtration, a large amount of impurities are arranged in the filter plate 211 when sewage is just discharged, in order to avoid damage to the inlet equipment, the filter plate 211 is designed to filter the sewage, the impurities are easily attached to the filter plate 211 under long-time working, the cleaning device 213 can move and clean the filter plate 211, the cleaned impurities can be collected 214 by the collecting device, and the impurities are discharged after the working is completed;

the cleaning device 213 comprises a cleaning roller 2131, second gears 2132 are arranged at two ends of the cleaning roller 2131, a second motor 2133 is directly connected to the outer side of the second gears 2132, racks 2134 meshed with the second gears 2132 are arranged below the second gears 2132, a circle of bristles are uniformly arranged on the outer diameter surface of the cleaning roller 2131, the bristles are soft bristles, the cleaning roller 2131 is controlled by the second motor 2133 to rotate, the bristles are directly released from the filter plate 211 to clean, and impurities generated by cleaning can be collected by a collecting device 214 directly connected with the cleaning device 213;

the collecting device 214 comprises a collecting frame 2141, a baffle 2142 is arranged in the collecting frame 2141 and positioned at one side of the cleaning roller 2131, a row of bristle brushes 2143 is arranged at the top and bottom of the baffle 2142, a micro motor 2144 is arranged at the position which is outside the collecting frame 2141 and is directly connected with the baffle 2142, a scraper 2145 is arranged at the bottom of the other side of the cleaning roller 2131 and is connected with the bottom of the collecting frame 2141, the scraper 2145 is tightly attached to the filter plate 211, the position of the cleaning roller 2131 is positioned between the scraper 211 and the collecting frame 2141, and as the bristles of the cleaning roller 2131 are bristle brushes, the problem of no sweeping can occur when the impurities with strong adhesive force are encountered, the scraper 211 scrapes the impurities attached to the filter plate 211 along with the movement of the collecting frame 2141, and the cleaning roller 2131 can easily finish the task of cleaning and removing the impurities after scraping;

the anti-blocking device 22 comprises a turnover plate 221, a plurality of columns 222 are uniformly arranged above the turnover plate 221, the columns 222 just fill up the filter holes 212, fixing plates 223 are arranged at four corners of the bottom of the filter plate 211, a turnover motor 224 is fixed on the side wall of each fixing plate 223, the output end of each turnover motor 224 is directly connected with the corresponding turnover plate 221, the turnover plates 221 are downward double-open, the number of the columns 222 is the same as that of the filter holes 212, the columns 222 fill up the filter holes 212 when the turnover plates 221 are tightly attached to the filter plate 211 above the turnover plates, so that when the filter holes 212 on the filter plate 211 are blocked, blocked impurities can be ejected out through the columns 222 entering the filter holes 212, and the anti-blocking effect is achieved.

As shown in fig. 9, the dosing and mixing device 31 comprises a box body 311, a plurality of medicine boxes 312 are uniformly arranged on the outer walls of the two ends of the box body 311, medicine discharging pipelines 313 are arranged on the inner walls of the box body 311 and are connected with the medicine boxes 312, the medicine discharging pipelines 313 are hard tubes, supporting plates 314 are arranged at the bottoms of the medicine discharging pipelines 313, second racks 315 are arranged below the supporting plates 314, third gears 316 are arranged below the medicine discharging pipelines 313 and are meshed with the second racks 315, stirring rollers 317 are fixed below the third gears 316, a plurality of stirring rods 318 are extended around the outer parts of the stirring rollers 317, the stirring rollers 317 and the stirring rods 318 are hollow and correspond to the apertures of the medicine discharging pipelines 313, heating wires 319 are wound on the outer diameter surfaces of the stirring rollers 317, the medicine box 312 is fixed outside the box body 311, the medicine discharging pipelines 313 penetrate through the box body 311 and are directly led into the medicine box 312, the number of the medicine boxes 312 is the same as that of the medicine discharging pipelines 313, the hard medicine discharging pipelines 313 can also play a role of connecting and supporting the supporting plate 314, the inside of the third gear 316 is hollow, the pore size of the hollow part is the same as that of the medicine discharging pipelines 313 and the stirring roller 317, when the stirring roller 317 is connected with the interface of the medicine discharging pipelines 313 under the driving of the second driving device 32, medicine starts to be discharged, the medicine enters the stirring roller 317 and is discharged along the stirring rod 318, different kinds of medicines are sequentially discharged through different medicine boxes 311, the mixing reaction is accelerated under the heating of the heating wire 319, and the purpose of purifying sewage is realized;

the second driving device 32 comprises a screw rod 321, the screw rod 321 is parallel to the supporting plate 314, a third motor 322 is arranged at the position of the outer side wall of the box 311, which is directly connected with the screw rod 321, the outer diameter surface of the screw rod 321 is slidably connected with a sliding block 323, sliding plates 324 are fixed at two ends of the sliding block 323, a third gear 316 is fixed at two ends of the sliding plate 324 and is rotatable relative to the sliding plate 324, an inductor 325 is fixed above the two ends of the sliding plate 324, the third motor 322 starts to drive when in operation, the screw rod 321 rotates to drive the sliding block 323 to move, and when the inductor 325 senses that the drug delivery pipeline 313 coincides with the stirring roller 317, a signal is sent to start drug delivery operation.

As shown in fig. 10 and 11, the multi-stage filter cartridge 41 comprises an outer cylinder 411, the upper half part of the outer cylinder 411 is a solid plate, the lower half part of the outer cylinder 411 is provided with a plurality of three-stage filter holes 412, a middle cylinder 413 is arranged in the outer cylinder 411, the middle cylinder 413 is integrally provided with a plurality of two-stage filter holes 414, an inner cylinder 415 is arranged in the middle cylinder 413, a plurality of one-stage filter holes 416 are integrally provided with the inner cylinder 415, the three-stage filter holes 412, the two-stage filter holes 414 and the one-stage filter holes 416 are sequentially reduced in pore diameter, vibrators 417 are respectively fixed at the outer top ends of the outer cylinder 411, the middle cylinder 413 and the inner cylinder 415, the multi-stage filter cartridge 41 is mainly used for filtering the sewage after the treatment of the medicine, impurities or sediment can be separated out in the purification process under the action of the medicine, and the sizes of the sewage are different, so that the three-layer filter cartridge structure is designed, the pore sizes of each layer filter cartridge is different, the pore sizes of the filter cartridge is sequentially reduced from inside to outside, the impurities can be left in the multi-stage filter cartridge 41 under the layer-by layer filtration, the long-time filtration, the filter cartridge can also appear, the attached matters can be influenced, the filtration effect 417 can be removed by setting the vibrators, and the impurities can be removed, and the problems can be solved;

the third driving device 42 includes a fourth motor 421, a driving gear 422 is disposed below the fourth motor 421, two auxiliary gears 423 are sequentially disposed on one side of the driving gear 422, a driven gear 424 is disposed on one side of the auxiliary gear 423, a second annular rack 425 is disposed on the inner diameter surface and the outer diameter surface of the top end of the outer cylinder 411, the middle cylinder 413, and the inner diameter surface of the top end of the inner cylinder 415, an external gear 426 is engaged between the top ends of the outer cylinder 411 and the middle cylinder 413 and connected with the driving gear 422, an internal gear 427 is engaged between the top ends of the middle cylinder 413 and the inner cylinder 415 and connected with the driven gear 424, when the fourth motor 421 is operated, the driving gear 422 is driven to rotate first, the driving gear 422 is connected with the external gear 426, so that the driving gear 422 is engaged with the auxiliary gear 423, the driven gear 424 is engaged with the driven gear 424, the internal gear 427 is directly connected with the external gear 426, so that the internal gear 427 is rotated together, and under the mutual cooperation of the two, the two cylinders are guaranteed to rotate simultaneously, and the sewage after the purification treatment of the multi-stage filter 41 is discharged under the effect of centrifugal force.

In this embodiment, the discharge area 5 shown in fig. 12 includes a discharge box 51, water outlet pipes 52 are disposed at the bottom of the discharge box 51 and at positions on two sides of the multi-stage filter cartridge 41, and the number of water outlet pipes 52 is two, and water filtered layer by the multi-stage filter cartridge 41 is thrown into the discharge box 51 and discharged through the water outlet pipes 52.

Embodiment two:

the discharge area 5 in the second embodiment is modified based on the above embodiment, and the technical content disclosed in the above embodiment is not repeated, and the content of the above disclosed embodiment also belongs to the content of the second embodiment.

In one embodiment of the present invention, the draining area 5 shown in fig. 13 includes a draining box 51, a water outlet pipe 52 is disposed at the bottom of the draining box 51 and at the positions on two sides of the multi-stage filtering cylinder 41, a slope 53 is disposed at the position of the draining box 51, and a plurality of protrusions 54 are uniformly disposed on the slope 53, which is different from the embodiment in that the slope 53 is disposed in the draining box 51, so that drainage is facilitated, because the thrown water flows down onto the slope 53 in a proper direction, no water residue problem occurs, and a plurality of protrusions 54 are disposed on the slope 53, although the water flow passing through the multi-stage filtering cylinder 41 basically does not contain large particle impurities, in order to prevent the water flow out of some particularly small impurities, the water flow can be broken through the protrusions 54, the impact force of the water flow thrown out by centrifugal force is strong, and even small particle impurities or particles which are not completely volatilized by the medicine can be broken and discharged after the water flow into the rugged protrusions 54, so as to further promote the sewage treatment effect.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. A sewage treatment device with multi-stage filtration function, characterized in that: the device comprises a discharge area (1), wherein a preliminary filtering area (2) is arranged below the discharge area (1), a dosing mixing area (3) is arranged below the preliminary filtering area (2), a multi-stage filtering area (4) is arranged below the dosing mixing area (3), and a discharge area (5) is arranged outside the bottom end of the multi-stage filtering area (4);

the drainage area (1) comprises a water inlet pipe (11), a shunt pipe (12) is arranged below the water inlet pipe (11), a top cover (13) is sleeved outside the shunt pipe (12), and a first driving device (14) is fixed in the top cover (13) and positioned at one side of the shunt pipe (12);

the preliminary filtering area (2) comprises a filtering and cleaning device (21), an anti-blocking device (22) is arranged at the bottom of the filtering and cleaning device (21), and the filtering and cleaning device (21) and the anti-blocking device (22) are matched with each other to remove slag in the preliminary filtering area (2), so that the effects of dredging and blocking prevention are achieved;

the dosing mixing area (3) comprises a dosing mixing device (31) and a second driving device (32), and the dosing mixing device (31) and the second driving device (32) are matched with each other to realize the proportioning mixing of multiple medicines simultaneously;

the multistage filtering zone (4) comprises a multistage filtering cylinder (41) and a third driving device (42), and the multistage filtering cylinder (41) is driven by the third driving device (42) to perform multilayer impurity removal filtering.

2. A sewage treatment apparatus having a multistage filtration function according to claim 1, wherein: the water inlet pipe (11) comprises a water inlet pipe orifice (111), a water inlet pipe body (112) is arranged below the water inlet pipe orifice (111), and a first sliding groove (113) is formed in the inner diameter surface of the bottom of the water inlet pipe body (112);

the shunt tube (12) comprises a shunt cover (121), a circle of sealing strip (122) is arranged at the top of the shunt cover (121), the sealing strip (122) rotates in the first sliding groove (113), a circle of annular rack (123) is arranged on the outer diameter surface of the bottom end of the shunt cover (121), a plurality of shunt tube bodies (124) extend out of the shunt cover (121), and a fixing ring (125) is integrally connected to the outer part of the bottom end of the shunt tube bodies (124);

the first driving device (14) comprises a motor fixing plate (141), a first motor (142) is fixed on the motor fixing plate (141), a first gear (143) is arranged at the lower output end of the first motor (142), and the first gear (143) is meshed with the annular rack (123).

3. A sewage treatment apparatus having a multistage filtration function according to claim 1, wherein: the filtering and cleaning device (21) comprises a filter plate (211), a plurality of filtering holes (212) are uniformly formed in the filter plate (211), a cleaning device (213) is arranged above the filter plate (211), and a collecting device (214) is arranged on one side of the cleaning device (213);

the cleaning device (213) comprises a cleaning roller (2131), second gears (2132) are arranged at two ends of the cleaning roller (2131), a second motor (2133) is directly connected to the outer side of the second gears (2132), and racks (2134) meshed with the second gears (2132) are arranged below the second gears;

the collecting device (214) comprises a collecting frame (2141), a baffle (2142) is arranged in the collecting frame (2141) and positioned at one side of the cleaning roller (2131), a row of bristle brushes (2143) are arranged at the top and the bottom of the baffle (2142), a miniature motor (2144) is arranged at the position, which is outside the collecting frame (2141) and is directly connected with the baffle (2142), of the collecting frame (2141), and a scraper (2145) is arranged at the bottom of the other side of the cleaning roller (2131) and is connected with the bottom of the collecting frame (2141);

anti-blocking device (22) are including upset board (221), upset board (221) top evenly is equipped with a plurality of cylinder (222), cylinder (222) just will filtration pore (212) are filled up, filter (211) bottom four corners all is equipped with fixed plate (223), fixed plate (223) lateral wall is fixed with upset motor (224), the output of upset motor (224) with upset board (221) are direct to link to each other.

4. A sewage treatment apparatus having a multistage filtration function according to claim 1, wherein: the medicine adding and mixing device (31) comprises a box body (311), a plurality of medicine boxes (312) are uniformly arranged on the outer walls of two ends of the box body (311), medicine discharging pipelines (313) are arranged on the inner walls of the box body (311) and are connected with the medicine boxes (312), the medicine discharging pipelines (313) are hard pipes, supporting plates (314) are arranged at the bottoms of the medicine discharging pipelines (313), second racks (315) are arranged below the supporting plates (314), third gears (316) are arranged below the medicine discharging pipelines (313) and are meshed with the second racks (315), stirring rollers (317) are fixed below the third gears (316), a plurality of stirring rods (318) extend around the outer sides of the stirring rollers (317), the stirring rods (318) are hollow inside and correspond to the apertures of the medicine discharging pipelines (313), and heating wires (319) are wound on the outer diameter surfaces of the stirring rollers (317);

the second driving device (32) comprises a screw rod (321), the screw rod (321) is parallel to the supporting plate (314), a third motor (322) is arranged on the outer side wall of the box body (311) and is directly connected with the screw rod (321), a sliding block (323) is slidably connected with the outer diameter surface of the screw rod (321), sliding plates (324) are fixed at two ends of the sliding block (323), and third gears (316) are fixed at two ends of the sliding plates (324) and are rotatable relative to the sliding plates, and inductors (325) are fixed above the two ends of the sliding plates (324).

5. A sewage treatment apparatus having a multistage filtration function according to claim 1, wherein: the multistage filter cartridge (41) comprises an outer cylinder (411), the upper half part of the outer cylinder (411) is a solid plate, the lower half part of the outer cylinder (411) is provided with a plurality of three-stage filter holes (412), a middle cylinder (413) is arranged inside the outer cylinder (411), a plurality of two-stage filter holes (414) are integrally formed in the middle cylinder (413), an inner cylinder (415) is arranged inside the middle cylinder (413), a plurality of one-stage filter holes (416) are integrally formed in the inner cylinder (415), the apertures of the three-stage filter holes (412), the two-stage filter holes (414) and the one-stage filter holes (416) are sequentially reduced, and vibrators (417) are fixed on the outer top ends of the outer cylinder (411), the middle cylinder (413) and the outer top ends of the inner cylinder (415);

the third driving device (42) comprises a fourth motor (421), a driving gear (422) is arranged below the fourth motor (421), two auxiliary gears (423) are sequentially arranged on one side of the driving gear (422), driven gears (424) are arranged on one side of the auxiliary gears (423), one end second annular racks (425) are arranged on inner diameter surfaces and outer diameter surfaces of the top ends of the outer cylinders (411) and the inner cylinders (415), external gears (426) are meshed with positions, connected with the driving gear (422), of the outer cylinders (411), and internal gears (427) are meshed with positions, connected with the driven gears (424), of the top ends of the inner cylinders (415).

6. A sewage treatment apparatus having a multistage filtration function according to claim 1, wherein: the discharge area (5) comprises a discharge box body (51), and water outlet pipes (52) are arranged at the bottom of the discharge box body (51) and at the positions of two sides of the multi-stage filter cartridge (41).

7. A sewage treatment apparatus having a multistage filtration function according to claim 1, wherein: the discharge area (5) comprises a discharge box body (51), water outlet pipes (52) are arranged at the bottoms of the discharge box body (51) and located at the two sides of the multi-stage filter cylinder (41), sloping surfaces (53) are arranged at the positions, which are close to the inner walls, of the discharge box body (51), and a plurality of protrusions (54) are uniformly arranged on the sloping surfaces (53).

8. A sewage treatment apparatus having a multistage filtration function according to claim 1, wherein: supporting legs (6) are arranged at four corners below the discharge area (5), and supporting feet (7) are arranged below the supporting legs (6).