Glass fiber reinforced plastic rainwater purifier
Technical Field
The invention relates to the technical field of rainwater and sewage purifying equipment, in particular to a glass fiber reinforced plastic rainwater purifier.
Background
Along with the environmental protection of the whole society, the gradual enhancement of the consciousness of saving is realized, more and more equipment for recycling natural resources appear like the spring bamboo shoots after raining, such as a rainwater collecting device for recovering rainwater, because China is a water-deficient country, especially an inland area, the problem of water resources is not limited by economic growth and sustainable development of society at any time, the problem of water resource shortage is also more and more severe along with the gradual expansion of urban scale in recent years, and the demand for the rainwater recovering device is also more and more strong for better utilizing natural resources.
In the prior art, the integrated glass fiber reinforced plastic rainwater collecting and self-cleaning device with the publication number of CN205475430U is provided with a collector, external rainwater can be easily collected into the integrated glass fiber reinforced plastic rainwater collecting and self-cleaning device, the inclined surface design of the collector is favorable for the flowing of the rainwater, the integrated glass fiber reinforced plastic rainwater collecting and self-cleaning device is internally provided with a first filtering chamber, a second filtering chamber and a storage chamber in sequence, the rainwater is filtered and purified twice by the filtering screen and the rainwater purifier, finally reaches the storage chamber for storage, so that the rainwater can be used later, a clean water source can be obtained by a user only by opening a water outlet valve, the device can only realize simple filtration and purification of the rainwater, but in the purification process, on one hand, continuous purification treatment of the rainwater can not be realized, on the other hand, effective aftertreatment can not be carried out on purified impurities during the rainwater purification, so that the purification function is limited, and the purification mode of the rainwater is single.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention aims to provide the glass fiber reinforced plastic rainwater purifier, which can efficiently finish the rainwater purification treatment operation through the arrangement of the transmission component, the purification filter cylinder and other structures, can realize continuous purification of rainwater through the arrangement of the treatment flow of the device, and effectively improve the purification efficiency of the device through the realization of the continuous purification function.
(II) technical scheme
The technical scheme includes that the glass fiber reinforced plastic rainwater purifier comprises a device body, a sewage storage mechanism is installed on Zhou Cemian of the device body, an inner cylinder is fixedly installed on the inner top of the device body, a rainwater inlet pipe communicated with the inner cylinder is installed inside the device body, a transmission assembly is installed inside the rainwater inlet pipe, a sewage depositing cavity is formed in the bottom of the device body, a purifying filter cartridge is rotatably communicated between opposite surfaces of the sewage depositing cavity and the inner cylinder, a separation cylinder with an opening at the bottom is installed at the bottom end of the inner cylinder and corresponds to the inner side of the purifying filter cartridge, a purifying annular cavity with an opening at the bottom and communicated with the sewage depositing cavity is fixedly arranged between opposite surfaces of the separation cylinder and the purifying filter cartridge, an overflow cavity is fixedly arranged inside the device body and corresponds to the outer side of the purifying filter cartridge, an inner cylinder sleeve is rotatably connected to the inner wall of the device body, an inner cylinder sleeve is rotatably connected with the inner wall of the sewage sucking cavity, a self-cleaning filter disc is fixedly installed on the outer side of the device, and the inner side of the outer cylinder is fixedly installed on the outer cylinder through a driving shaft tube, and the outer cylinder is fixedly installed on the outer side of the outer cylinder, and the inner cylinder is in a rotary filter sleeve, and the oxygen sucking disc is fixedly installed on the outer side of the filter drum through the driving assembly.
As the preferred scheme, deposit dirty mechanism respectively including installing in the leading truck of ware body week side, with leading truck sliding connection deposit dirty section of thick bamboo and install in the useless pipe of leading at inner tube top, the one end that the useless mouth was advanced to the useless pipe of leading is fixed to be linked together with the inner tube, the one end and the ware body fixed connection of useless mouth are gone out to the useless pipe, deposit dirty section of thick bamboo week side fixed offer with lead useless pipe complex advance the waste hole, the interior bottom screw thread connection of depositing dirty section of thick bamboo has the seat of unloading, the sleeve is installed to the top surface axis position of seat of unloading, telescopic inner wall sliding connection has the elasticity depression bar, the top rotation of elasticity depression bar is connected with the shrouding that laminates with depositing dirty section of thick bamboo, the week side of elasticity depression bar just corresponds the position cover between sleeve and the shrouding and is equipped with compression spring, the inside axis position rotation of depositing dirty section of thick bamboo is connected with the extrusion axle, the week side fixed mounting of extrusion axle has spiral extrusion blade, spiral extrusion blade's week side and the dirty section of thick bamboo of depositing rotate the laminating, the extrusion axle passes through outer axle cover drive.
As a preferable scheme, an outer gear ring is fixedly arranged at the top of the extrusion shaft, a central shaft is rotatably connected to the top of the dirt storage barrel, a middle gear ring meshed with the outer gear ring is fixedly arranged on the peripheral side surface of the central shaft, and an inner gear ring meshed with the middle gear ring is fixedly arranged on the peripheral side surface of the outer shaft sleeve.
As the preferred scheme, the periphery face fixed mounting who deposits dirty section of thick bamboo has the spacing ring with leading truck complex, the bottom fixed mounting of spacing ring has the locating lever, the inside fixed mounting of leading truck has the locating sleeve of vertical setting, the periphery face and the locating sleeve sliding connection of locating lever, a set of rings that are regular distribution are installed to the top surface of spacing ring, the tip fixed mounting of guide tube has the sealing ring piece.
As the preferred scheme, drive assembly is including installing in the power section of thick bamboo at advance the rain pipe middle part, rotating coupling a and the main shaft of being connected in the ware body inner wall respectively, the inner wall rotation of power section of thick bamboo is connected with the rain movable shaft, the circumference side of rain movable shaft just corresponds the inside position of power section of thick bamboo and installs a set of rain movable blade that is circumference array distribution, the tail end of rain movable shaft passes through first chain and is connected with coupling a transmission, the tail end of coupling a and the tip of main shaft all fixed mounting have first linkage bevel gear, two first linkage bevel gear intermesh, the top of outer axle sleeve and dirt absorbing central siphon all fixed mounting has first driven bevel gear, the tail end fixed mounting of main shaft has two first driving bevel gears, two first driving bevel gears's circumference side respectively with two first driven bevel gears meshing, two first driven bevel gears are the symmetry setting with the axis place horizontal plane of main shaft as the axle.
As the preferred scheme, self-cleaning mechanism is including installing in the pump case of ware body week side, rotating the countershaft and the shaft coupling b of connecting in the ware body inside, install in the recoil cover of inner tube week side and set up in the inside recoil chamber of separating the section of thick bamboo, the inner wall rotation of pump case is connected with the pump shaft, a set of pump leaf that is circumference array distribution is installed to the position of the week side of pump shaft and corresponding pump case inside, the week side of pump shaft passes through the second chain and is connected with countershaft transmission, the week side of pump shaft passes through shaft coupling b and countershaft transmission connection, the bottom fixed intercommunication of pump case has the drainage tube, the one end and the overflow chamber intercommunication of drainage tube inlet, the top fixed mounting of pump case has the liquid feed pipe, the one end and the recoil chamber fixed intercommunication of liquid feed pipe outlet, the terminal surface and the purification cartridge of recoil cover rotate the laminating, the inside of recoil cover has seted up a plurality of regular distributions and just to purify the anti-clear orifice and the recoil chamber fixed intercommunication of filter tube of anti-clear tail end.
Preferably, the end part of the auxiliary shaft and the tail end of the coupling b are fixedly provided with second linkage bevel gears, the two second linkage bevel gears are meshed with each other, the tail end of the auxiliary shaft is fixedly provided with a second drive bevel gear, the peripheral side surface of the second drive bevel gear is meshed with a first driven bevel gear, and the axis of the reverse cleaning spray hole is perpendicular to the axis of the cleaning filter cylinder.
As the preferred scheme, the oxygen mechanism includes respectively with ware body fixed connection's air drum, offer in the oxygen ring chamber at ware body top and a set of oxygen tube that is circumference array distribution and be fixed in overflow intracavity portion, a set of oxygen tube's top all is fixed intercommunication with the oxygen ring chamber, a set of oxygen hole that is circumference array distribution is offered to the inside of oxygen tube, the one end and the oxygen ring chamber fixed intercommunication of air drum air outlet, the fixed intercommunication in positive top of air drum has the ventilation filter tube, a set of air blast blade that is circumference array distribution is installed to the inside position of air drum and corresponding to the week side of main shaft, the axis of oxygen tube is parallel with the axis of purifying filter tube.
As the preferred scheme, the cross section of heavy dirty chamber is "V" shape, the inside of ware body and correspond heavy dirty chamber and the purification ring chamber between the position fixed mounting have dirty ring, the fixed dirty inclined plane that draws that inclines towards heavy dirty chamber one side that is provided with in top of dirty ring, the top fixed mounting of ware body has negative pressure joint, the bottom and the dirt absorbing shaft tube rotation intercommunication of negative pressure joint, the bottom fixed intercommunication of dirt absorbing shaft tube has the negative pressure suction nozzle, the purification is strained and is strained for both ends open-ended hollow tubular structure, the inside of purifying is strained and is strained the filtrating hole of having seted up a plurality of sets of regular distributions, the axis of filtrating hole is perpendicular with the axis of purifying and straining the filter cartridge, the surface equipartition of screw filter disc has the dirty hole of straining of vertical setting, the aperture of filtrating hole is 0.6 times of filtrating hole aperture.
As an optimal scheme, the device body, the spiral filter disc, the inner cylinder and the separation cylinder are all made of glass fiber reinforced plastic materials.
(III) beneficial effects
Compared with the prior art, the invention provides the glass fiber reinforced plastic rainwater purifier, which has the following beneficial effects
1. According to the invention, through the arrangement of the structures such as the transmission component and the purifying filter cylinder, the device can efficiently finish the rainwater purifying treatment operation, and through the arrangement of the treatment flow of the device, the continuous purification of rainwater can be realized, and through the realization of the continuous purification function, the purification efficiency of the device is effectively improved.
2. According to the invention, by setting the self-cleaning mechanism, the backflushing self-cleaning of the filtering structure of the purifier can be realized during rainwater purification, and by realizing the backflushing self-cleaning function, the maintainability of the purifier is effectively improved, the use cost of the device is reduced, and by setting the oxygen exposing mechanism, the oxygen exposing purification of rainwater can be realized on the basis of realizing the rainwater filtering and purifying function, and the purification strength and the purification effect of the device on rainwater are effectively ensured by realizing the double purifying modes.
Drawings
FIG. 1 is a schematic diagram of a glass fiber reinforced plastic rainwater purifier according to the present invention;
FIG. 2 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 at another angle in accordance with the present invention;
FIG. 4 is a schematic cross-sectional view of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 4;
FIG. 6 is a schematic view of a partially enlarged structure of the present invention at C in FIG. 4;
FIG. 7 is a schematic view of the cross-sectional structure of the invention in another direction of FIG. 3;
FIG. 8 is a schematic view of a partially enlarged structure of the invention at D in FIG. 7;
FIG. 9 is a schematic view of the structure of the rain pipe, the coupling a and the rain shaft of the present invention;
FIG. 10 is a schematic view of the structure of the spacer and inner barrel of the present invention.
The device comprises a device body, a 2, an inner cylinder, a 3, a rain pipe, a 4, an oxygen exposing pipe, a 5, a dirt depositing cavity, a 6, a purifying filter cylinder, a 7, an overflow pipe, a 8, an outer sleeve, a 9, a dirt absorbing shaft pipe, a 10, a spiral filter disc, a 11, a guide frame, a 12, a dirt storing cylinder, a 13, a waste guiding pipe, a 14, a discharging seat, a 15, a sleeve, a 16, an elastic pressing rod, a 17, a sealing plate, a 18, a compression spring, a 19, an extruding shaft, a 20, a spiral pressing blade, a 21, an outer ring, a 22, a middle ring gear, a 23, an inner ring gear, a 24, a limiting ring, a 25, a positioning rod, a 26, a hanging ring, a 27, a power cylinder, a 28, a coupling a 29, a main shaft, a 30, a rain shaft, a 31, a rain moving blade, a 32, a pump housing, a 33, a counter shaft, a 34, a coupling b, a 35, a backflushing cover, a 36, a backflushing cavity, a 37, a pump shaft, a 38, a pump blade, a 39, a drainage tube, a 40, a counter-cleaning blade, a 41, a blowing cylinder, a 42, an oxygen exposing ring cavity and a 44.
Detailed Description
The invention is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:
referring to FIGS. 1-10, the glass fiber reinforced plastic rainwater purifier adopts the technical scheme that the glass fiber reinforced plastic rainwater purifier comprises a device body 1, wherein a Zhou Cemian of the device body 1 is provided with a sewage storage mechanism, and the inner top of the device body 1 is fixedly provided with an inner cylinder 2;
The sewage storage mechanism comprises a guide frame 11 arranged on the peripheral side surface of the device body 1, a sewage storage barrel 12 in sliding connection with the guide frame 11 and a waste guide pipe 13 arranged at the top of the inner barrel 2, wherein a waste guide inclined surface inclined towards one side of the sewage storage barrel 12 is fixedly arranged in the waste guide pipe 13;
One end of a waste inlet of the waste guide pipe 13 is fixedly communicated with the inner cylinder 2, one end of a waste outlet of the waste guide pipe 13 is fixedly connected with the machine body 1, a waste inlet matched with the waste guide pipe 13 is fixedly formed in the peripheral side surface of the waste storage cylinder 12, a discharge seat 14 is connected with the inner bottom of the waste storage cylinder 12 in a threaded manner, a sleeve 15 is arranged at the axial position of the top surface of the discharge seat 14, an elastic compression rod 16 is connected with the inner wall of the sleeve 15 in a sliding manner, a sealing plate 17 jointed with the waste storage cylinder 12 is rotationally connected with the top end of the elastic compression rod 16, a compression spring 18 is sleeved on the peripheral side surface of the elastic compression rod 16 and corresponds to the position between the sleeve 15 and the sealing plate 17, an extrusion shaft 19 is rotationally connected with the inner axial position of the waste storage cylinder 12, a spiral extrusion blade 20 is fixedly arranged on the peripheral side surface of the extrusion shaft 19, and the peripheral side surface of the spiral extrusion blade 20 is rotationally jointed with the waste storage cylinder 12;
the periphery of the dirt storage barrel 12 is fixedly provided with a limiting ring 24 matched with the guide frame 11, the bottom of the limiting ring 24 is fixedly provided with a positioning rod 25, the inside of the guide frame 11 is fixedly provided with a positioning sleeve arranged vertically, the periphery of the positioning rod 25 is in sliding connection with the positioning sleeve, the top surface of the limiting ring 24 is provided with a group of hanging rings 26 distributed regularly, and the end part of the waste guide pipe 13 is fixedly provided with a sealing ring sheet;
The sealing performance of the joint of the waste guide pipe 13 and the sewage storage barrel 12 is effectively ensured through the arrangement of the sealing ring sheets, when the sewage storage barrel 12 stores solid waste, the spiral extrusion blades 20 extrude and convey the solid waste downwards, when the sewage storage amount in the sewage storage barrel 12 reaches a set degree, the external hoisting equipment is matched with the hoisting ring 26, so that the whole sewage storage mechanism is hoisted, the unloading seat 14 is rotated out after hoisting, and then the solid waste stored in the sewage storage barrel 12 is rapidly discharged;
The inside of the device body 1 is provided with a rain inlet pipe 3 communicated with the inner cylinder 2, the inside of the rain inlet pipe 3 is provided with a transmission component, the bottom of the device body 1 is provided with a sewage sedimentation cavity 5, the cross section of the sewage sedimentation cavity 5 is V-shaped, a purification filter cartridge 6 is rotationally communicated between the sewage sedimentation cavity 5 and the opposite surface of the inner cylinder 2, the purification filter cartridge 6 is of a hollow cylindrical structure with two open ends, the inside of the purification filter cartridge 6 is provided with a plurality of groups of regularly distributed filtrate holes, and the axis of the filtrate holes is vertical to the axis of the purification filter cartridge 6;
The function of the arrangement of the filtrate holes is to filter and intercept impurities in rainwater, and the aperture size of the filtrate holes can be customized according to actual requirements;
The bottom end of the inner cylinder 2 is provided with a separating cylinder 44 with an opening at the bottom end corresponding to the position inside the purifying filter cylinder 6, a purifying ring cavity with an opening at the bottom and communicated with the precipitating cavity 5 is fixedly arranged between the separating cylinder 44 and the opposite surface of the purifying filter cylinder 6, a dirt collecting ring is fixedly arranged inside the device body 1 and corresponding to the position between the precipitating cavity 5 and the purifying ring cavity, a dirt guiding inclined plane inclined towards one side of the precipitating cavity 5 is fixedly arranged at the top of the dirt collecting ring, and the arrangement of the dirt collecting ring effectively reduces the reflux or reflux rate of precipitated impurities to the separating cylinder 44, thereby improving the precipitation effect of the dirt inside the precipitating cavity 5;
An overflow cavity is fixedly arranged in the device body 1 and corresponds to the position outside the purifying filter cartridge 6, and an overflow pipe 7 communicated with the overflow cavity is fixedly arranged on the peripheral side surface of the device body 1 and corresponds to the position below the rain inlet pipe 3;
the inner wall of the device body 1 is rotationally connected with an outer sleeve 8, the inner wall of the outer sleeve 8 is rotationally connected with a dirt sucking shaft tube 9, the dirt sucking shaft tube 9 is of a hollow tubular structure with two open ends, and the outer sleeve 8 and the dirt sucking shaft tube 9 are driven by a transmission assembly;
the top of the device body 1 is fixedly provided with a negative pressure joint, the bottom end of the negative pressure joint is rotationally communicated with the sewage suction shaft tube 9, and the bottom end of the sewage suction shaft tube 9 is fixedly communicated with a negative pressure suction nozzle;
The extrusion shaft 19 is driven by the outer shaft sleeve 8, an outer gear ring 21 is fixedly arranged at the top of the extrusion shaft 19, a central shaft is rotatably connected to the top of the dirt storage barrel 12, a middle gear ring 22 meshed with the outer gear ring 21 is fixedly arranged on the peripheral side surface of the central shaft, and an inner gear ring 23 meshed with the middle gear ring 22 is fixedly arranged on the peripheral side surface of the outer shaft sleeve 8;
The transmission assembly comprises a power cylinder 27 arranged in the middle of the rain inlet pipe 3, a shaft coupling a28 and a main shaft 29 which are rotatably connected to the inner wall of the device body 1, a rain moving shaft 30 is rotatably connected to the inner wall of the power cylinder 27, and a group of rain moving blades 31 which are distributed in a circumferential array are arranged on the peripheral side surface of the rain moving shaft 30 and correspond to the inner position of the power cylinder 27;
The tail end of the rain shaft 30 is in transmission connection with the shaft coupling a28 through a first chain, the tail end of the shaft coupling a28 and the end part of the main shaft 29 are fixedly provided with first linkage bevel gears, and the two first linkage bevel gears are meshed with each other;
The tops of the outer shaft sleeve 8 and the dirt absorbing shaft tube 9 are fixedly provided with first driven bevel gears, the tail end of the main shaft 29 is fixedly provided with two first driving bevel gears, the peripheral sides of the two first driving bevel gears are respectively meshed with the two first driven bevel gears, the two first driven bevel gears are symmetrically arranged by taking the horizontal plane where the axis of the main shaft 29 is positioned as an axis, the specifications of the two first driven bevel gears are different, and the positions and the specifications of the two first driven bevel gears are arranged, so that the outer shaft sleeve 8 and the dirt absorbing shaft tube 9 are in a coaxial differential reverse rotation state;
The peripheral side surface of the outer shaft sleeve 8 is fixedly provided with a spiral filter disc 10, the surface of the spiral filter disc 10 is uniformly provided with vertically arranged dirt filtering holes, the aperture of each dirt filtering hole is 0.6 times that of each filtrate hole, and the aperture difference between each dirt filtering hole and each filtrate hole is set, so that the spiral filter disc 10 and the purifying filter cartridge 6 realize a grading filtering function;
The peripheral side surface of the spiral filter 10 is respectively rotationally attached to the separation cylinder 44 and the inner cylinder 2, and the device body 1, the spiral filter 10, the inner cylinder 2 and the separation cylinder 44 are all made of glass fiber reinforced plastics;
the glass fiber reinforced plastic is light and hard, is non-conductive, has stable performance and high mechanical strength, is less in recycling, and can avoid corrosion caused by long-time outdoor arrangement;
The outside of the separation cylinder 44 is provided with a self-cleaning mechanism matched with the purifying filter cylinder 6;
The self-cleaning mechanism comprises a pump shell 32 arranged on the peripheral side surface of the device body 1, a countershaft 33 and a coupling b34 which are rotatably connected to the interior of the device body 1, a recoil cover 35 arranged on the peripheral side surface of the inner cylinder 2 and a recoil cavity 36 arranged in a separation cylinder 44, wherein the inner wall of the pump shell 32 is rotatably connected with a pump shaft 37, a group of pump blades 38 distributed in a circumferential array are arranged on the peripheral side surface of the pump shaft 37 and correspond to the interior of the pump shell 32, and the peripheral side surface of the pump shaft 37 is in transmission connection with the countershaft 33 through a second chain;
the peripheral side surface of the pump shaft 37 is in transmission connection with the auxiliary shaft 33 through a coupling b 34;
The end of the auxiliary shaft 33 and the tail end of the coupling b34 are fixedly provided with second movable bevel gears, the two second movable bevel gears are meshed with each other, the tail end of the auxiliary shaft 33 is fixedly provided with a second drive bevel gear, the peripheral side surface of the second drive bevel gear is fixedly communicated with the bottom end of a first driven bevel gear meshed pump shell 32, one end of a liquid inlet of the drain tube 39 is communicated with an overflow cavity, the top end of the pump shell 32 is fixedly provided with a liquid feeding pipe, one end of a liquid outlet of the liquid feeding pipe is fixedly communicated with a backflushing cavity 36, the end surface of a backflushing cover 35 is rotationally attached to the purifying filter cartridge 6, a plurality of groups of backflushing spray holes 40 which are regularly distributed and are opposite to the purifying filter cartridge 6 in water outlet direction are formed in the backflushing cover 35, the tail end of the backflushing spray holes 40 are fixedly communicated with the backflushing cavity 36, the axis of the backflushing spray holes 40 is vertical to the axis of the purifying filter cartridge 6,
The inside of the overflow cavity is provided with an oxygen exposing mechanism driven by a transmission component.
The oxygen exposing mechanism comprises an air blowing barrel 41 fixedly connected with the device body 1, an oxygen exposing ring cavity 43 arranged at the top of the device body 1 and a group of oxygen exposing tubes 4 which are distributed in a circumferential array and are fixed in the overflow cavity, the top ends of the group of oxygen exposing tubes 4 are fixedly communicated with the oxygen exposing ring cavity 43, a group of oxygen exposing holes which are distributed in a circumferential array are formed in the oxygen exposing tubes 4, one end of an air outlet of the air blowing barrel 41 is fixedly communicated with the oxygen exposing ring cavity 43, a ventilation filter tube is fixedly communicated with the positive top of the air blowing barrel 41, a group of air blowing blades 42 which are distributed in a circumferential array are arranged on the circumferential side face of the main shaft 29 and correspond to the position inside the air blowing barrel 41, and the axis of the oxygen exposing tubes 4 is parallel to the axis of the purifying filter tube 6.
The working principle of the invention is that; when in use, the purifier is pre-buried in the ground, a placing cavity matched with the specification of the purifier is reserved in the ground, a rain inlet pipe 3 is communicated with a municipal rainwater feeding pipeline, an overflow pipe 7 is communicated with next-stage treatment equipment of rainwater or related drainage pipelines, when the rain inlet pipe 3 is used for feeding rainwater, a rain shaft 30 is driven under the action of the rainwater, after the rain shaft 30 is driven, an outer shaft sleeve 8 and a sewage suction shaft pipe 9 are driven to coaxially and reversely rotate, after the outer shaft sleeve 8 is driven, a spiral filter disc 10 is driven to upwards lift materials and carry out layer-by-layer filtering operation on the rainwater, waste residues or scum filtered by the spiral filter disc 10 finally enters a sewage storage mechanism through a waste guide pipe 13, after the sewage suction shaft pipe 9 rotates, a purification filter drum 6 is driven to rotate, the blockage rate of a filtering structure in the purification filter drum 6 is reduced through the rotating state setting of the purification filter drum 6, and after the outer sleeve 8 and the dirt absorbing shaft tube 9 are driven, the pump shaft 37 is driven to work, after the pump shaft 37 is driven to work, the liquid conveying pipe is driven to convey liquid to the inside of the backflushing cavity 36 under high pressure, the backflushing cavity 36 is conveyed under high pressure, so that the backflushing spray hole 40 is flushed with high pressure water, the backflushing self-purification of the purifying filter cartridge 6 is realized, after the rain shaft 30 is driven, the oxygen exposing pipe 4 is used for exposing and purifying rainwater, when the dirt storing mechanism works, the spiral extrusion blade 20 is used for conveying dirt downwards and extruding accumulated dirt, the dirt storing amount of the dirt storing mechanism is improved through extrusion, after the dirt storing mechanism stores dirt to a specified degree, the external hoisting equipment is matched with the hoisting ring 26, so that the dirt storing mechanism is hoisted integrally, after hoisting, the discharging seat 14 is rotated out, and solid dirt stored in the dirt storing barrel 12 is discharged rapidly.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.