CN214158739U - Double-layer self-propelled synchronous cleaning and filtering device - Google Patents

Abstract

The utility model discloses a double-deck self-propelled washs filter equipment in step relates to filtration purification technical field, can include: the main shell is arranged on the annular base; the top of the side wall of the main shell is connected with a water inlet pipe, and the bottom of the side wall of the main shell is connected with a first water outlet pipe; an inner layer filter and an outer layer filter are arranged in the main shell, and a plurality of cleaning wheels are uniformly distributed between the inner layer filter and the outer layer filter; each cleaning wheel is arranged on a rotating shaft, the top of each rotating shaft is connected with an output shaft, an impeller is arranged at the top in the main shell, and the bottom of the impeller is in transmission connection with the output shaft; the upper bracket is provided with a through hole, and the annular base is connected with a drain pipe and a second water outlet pipe. The utility model has the advantages of the principle is simple, wash and filter in step, the energy consumption is low, long service life, be applicable to that sea water desalination and earth's surface water body purify the processing apparatus supporting, have good application prospect.

Description

Double-layer self-propelled synchronous cleaning and filtering device

Technical Field

The utility model relates to a filtration purification technical field especially relates to a double-deck self-propelled washs filter equipment in step.

Background

At present, the key industries of China such as urban and rural water supply, medicine, food and the like have higher requirements on the water quality of water, raw water participating in production can be used after being filtered and purified, and a filter capable of filtering and purifying the water quality is required to be used.

The traditional filter is mainly divided into a filter screen type filter and a disc type filter, and the filter screen type filter is relatively low in manufacturing cost and widely applied to different industry fields. The working principle of the filter is as follows: when the water body containing impurity particles flows through the filter, particle impurities in the water are intercepted inside the filter screen, so that the impurities are separated from the water body, and the filtered purified water is used for production and life. However, when the filter continuously operates, particles trapped from the inner layer of the filter screen are more and more accumulated, the filter screen holes are smaller and smaller, the filtering speed is slower and slower, the filter screen is gradually blocked, and the filtering effect and the production operation are seriously influenced. When blockage occurs, the filter screen needs to be cleaned in time, and the cleaning modes at present are various and mainly comprise manual cleaning modes, mechanical cleaning modes, electric cleaning modes, ultrasonic cleaning modes and the like, wherein the manual cleaning modes are most inconvenient to apply, and can be cleaned only by manual disassembly, and the cleaning modes are troublesome and laborious; other methods, although more convenient than manual, require the provision of additional power means, resulting in higher filter manufacturing costs.

In addition, no matter what cleaning method is adopted at present, the synchronous operation of cleaning and filtering functions in the same filtering device cannot be realized, and the technical scheme of cleaning is mainly adopted when the filter is blocked at present, but the technology or the device for preventing the blocking process is relatively lacked.

In view of the above, there is a need for a filtration apparatus that is energy efficient, requires no additional power, achieves synchronization of cleaning and filtration functions in the same apparatus, and prevents clogging.

Therefore, it is desired to develop a dual-layer self-propelled synchronous cleaning and filtering apparatus to solve the above-mentioned problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a double-deck self-propelled washs filter equipment in step to solve the above-mentioned problem that prior art exists, can realize water purification treatment and the filter that need not extra power and wash.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a double-deck self-propelled washs filter equipment in step, include: the main shell is arranged on the annular base; the top of the side wall of the main shell is connected with a water inlet pipe, and the bottom of the side wall is connected with a first water outlet pipe; the filter is arranged in the main shell, the number of the filters is two, the two filters comprise an inner filter and an outer filter, and a cavity is formed between the inner filter and the outer filter; a plurality of cleaning wheels are uniformly distributed between the inner layer filter and the outer layer filter; each cleaning wheel is arranged on a rotating shaft, the top of each rotating shaft is connected with an output shaft, and the output shafts are arranged on the lower support; the impeller is arranged at the top in the main shell, the impeller is arranged in the main shell through an upper support, and the bottom of the impeller is in transmission connection with the output shaft; the upper bracket is provided with a through hole, and the lower bracket is rotatably arranged below the upper bracket; the top of the cavity between the inner filter and the outer filter is communicated with the through hole, a sewage discharge pipe and a second water outlet pipe are connected below the annular base, the bottom of the cavity between the inner filter and the outer filter is communicated with the sewage discharge pipe, and the second water outlet pipe is communicated with the bottom of the inner cavity of the inner filter.

Preferably, the main housing comprises an upper housing and a lower housing, the top of the side wall of the upper housing is connected with the water inlet pipe, the bottom of the side wall of the lower housing is connected with the first water outlet pipe, the top of the lower housing is in threaded connection with the bottom of the upper housing, and the bottom of the lower housing is in threaded connection with the annular base; the top of the lower shell is also provided with an upper sealing cover, and the upper sealing cover is in threaded connection with the lower shell.

Preferably, the number of the cleaning wheels is three, and the cleaning wheels comprise a first cleaning wheel, a second cleaning wheel and a third cleaning wheel, the first cleaning wheel, the second cleaning wheel and the third cleaning wheel are respectively fixed on a first rotating shaft, a second rotating shaft and a third rotating shaft, and the tops of the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively connected with a first output shaft, a second output shaft and a third output shaft; the first output shaft, the second output shaft and the third output shaft are nested on the lower bracket in a triangular symmetrical mode; a first driven wheel, a second driven wheel and a third driven wheel are respectively fixed on the first output shaft, the second output shaft and the third output shaft;

the bottom of the impeller is rotatably arranged on the upper support through a copper stabilizing ring, a driving wheel is arranged on the outer side of the stabilizing ring, and the driving wheel, the first driven wheel, the second driven wheel and the third driven wheel are in gear transmission.

Preferably, the upper bracket is of a scattering type, the middle part of the upper bracket is an inverted bowl-shaped compass, and gear teeth are arranged on the inner side of the outer edge of the compass and are used for being in gear transmission with the first driven wheel, the second driven wheel and the third driven wheel; the through hole is formed between the outer end of the upper support and the compass and used for water passing, and the outer end of the upper support is in threaded connection with the inner side of the upper shell;

the lower support is in a compass shape and is rotatably arranged below the upper support through the stabilizing ring.

Preferably, the upper bracket, the lower bracket, the driving wheel, the first output shaft, the first driven wheel, the second output shaft, the second driven wheel, the third output shaft, the third driven wheel, the upper cover, the first cleaning wheel, the first rotating shaft, the second cleaning wheel, the second rotating shaft, the third cleaning wheel and the third rotating shaft are made of resin materials;

the upper shell and the lower shell are made of PVC materials.

Preferably, the inner filter comprises an inner filter screen and an inner framework, and the inner filter screen is fixed on the outer side of the inner framework; the outer layer filter comprises an outer layer filter screen and an outer layer framework, and the outer layer filter screen is fixed on the inner side of the outer layer framework; the upper end of the inner layer framework is in threaded connection with the upper sealing cover, the lower end of the inner layer framework is in threaded connection with the annular base, the upper end of the outer layer framework is in threaded connection with the upper sealing cover, and the lower end of the outer layer framework is in threaded connection with the annular base;

the inner layer filter screen and the outer layer filter screen are both formed by processing metal wires, and the mesh number is more than 100 meshes.

Preferably, first cleaning wheel second cleaning wheel and third cleaning wheel are the screw type, and the outside edge is provided with the cleaning brush, the tip of cleaning brush is hugged closely the outside of inlayer filter screen and the inboard of outer filter screen.

Preferably, the impeller is of a turbine type, an output shaft is arranged at the bottom of the impeller, the impeller and the output shaft are integrally designed, and the output shaft extends into the stabilizing ring and is fixedly connected with the stabilizing ring.

Preferably, the device also comprises a fixed base and a fixed frame, wherein the annular base is arranged on the fixed base through the fixed frame.

Preferably, the system also comprises a control system, wherein the control system comprises a control unit, a pressure gauge, a water inlet control valve, a first water outlet control valve, a second water outlet control valve and a sewage discharge control valve; the water inlet control valve is arranged on the water inlet pipe, the first water outlet control valve is arranged on the first water outlet pipe, the second water outlet control valve is arranged on the second water outlet pipe, the sewage discharge control valve is arranged on the sewage discharge pipe, and the pressure gauge is also arranged on the sewage discharge pipe;

and the control unit is made of a micro single chip microcomputer and is used for automatically controlling the pressure gauge, the water inlet control valve, the first water outlet control valve, the second water outlet control valve and the sewage discharge control valve.

The utility model discloses following beneficial technological effect has been gained for prior art:

(1) the synchronous operation of filtering and cleaning in the same device is realized, the problems that the device cannot be filtered and cleaned during cleaning are solved, the filter screen is prevented from being blocked, and the filtering efficiency is improved;

(2) the hydraulic self-driven filter screen is adopted for continuous cleaning, and no additional power or driving device is needed in the operation process, so that the energy consumption is low, and the device and technical cost is greatly saved;

(3) the cleaning process is synchronously changed along with the flow velocity of the water body, the cleaning speed does not need to be manually adjusted, namely, the cleaning speed is faster when the filtered water quantity is larger;

(4) the water body in the filtering cavity rotates automatically to generate centrifugal force, so that the water body is more beneficial to quick and efficient filtering compared with the traditional filtering device;

(5) the idea of preventing the filter from being blocked is changed from cleaning after the filter is blocked, and the device can continuously brush the filter screen to prevent impurities from being attached to the filter screen;

(6) the method has the advantages of simple principle, universality, quickness and the like, and has good application prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a double-layer self-propelled synchronous cleaning and filtering device;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic sectional view taken along line B-B of FIG. 1;

in the figure, 1-a water inlet pipe, 2-a water inlet control valve, 3-an impeller, 4-an upper shell, 5-a stabilizing ring, 6-a driving wheel, 7-a first output shaft, 8-a first driven wheel, 9-an upper bracket, 10-a lower bracket, 11-an upper sealing cover, 12-a lower shell, 13-an outer filter screen, 14-an inner filter screen, 15-an outer framework, 16-a first cleaning wheel, 17-a first rotating shaft, 18-an inner framework, 19-a first water outlet pipe, 20-a first water outlet control valve, 21-a pressure gauge, 22-a sewage discharge pipe, 23-a sewage discharge control valve, 24-a second water outlet control valve, 25-a second water outlet pipe, 26-an annular base, 27-a fixed mount, 28-a fixed base and 29-a control unit, 30-a second output shaft, 31-a second driven wheel, 32-a third output shaft, 33-a third driven wheel, 34-a second rotating shaft, 35-a second cleaning wheel, 36-a third rotating shaft and 37-a third cleaning wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Example one

As shown in fig. 1 to 3, the present embodiment provides a double-layer self-propelled synchronous cleaning and filtering apparatus, comprising: an annular base 26 and a main housing mounted on the annular base 26; the top of the side wall of the main shell is connected with a water inlet pipe 1, and the bottom of the side wall is connected with a first water outlet pipe 19; the filter is arranged in the main shell, the number of the filters is two, the two filters comprise an inner filter and an outer filter, and a cavity is formed between the inner filter and the outer filter; a plurality of cleaning wheels are uniformly distributed between the inner filter and the outer filter; each cleaning wheel is arranged on a rotating shaft, the top of each rotating shaft is connected with an output shaft, and the output shafts are rotatably arranged on the lower bracket 10; the top in the main shell is provided with an impeller 3, the impeller 3 is arranged in the main shell through an upper bracket 9, and the bottom of the impeller 3 is in transmission connection with an output shaft; the upper bracket 9 is provided with a through hole, and the lower bracket 10 is rotatably arranged below the upper bracket 9; the through hole is communicated with a cavity between the inner filter and the outer filter, the annular base 26 is connected with a drain pipe 22 and a second water outlet pipe 25, the drain pipe 22 is communicated with the bottom of the cavity between the inner filter and the outer filter, and the second water outlet pipe 25 is communicated with the bottom of the inner cavity of the inner filter.

In this embodiment, the main housing includes an upper housing 4 and a lower housing 12, the top of the sidewall of the upper housing 4 is connected with the water inlet pipe 1, the bottom of the sidewall of the lower housing 12 is connected with the first water outlet pipe 19, the top of the lower housing 12 is connected with the bottom of the upper housing 4 by screw threads, and the bottom of the lower housing 12 is connected with the annular base 26 by screw threads; the top of the lower shell 12 is further provided with an upper sealing cover 11, the upper sealing cover 11 is in threaded connection with the lower shell 12, wherein the upper sealing cover 11 is correspondingly provided with a through hole for passing water.

In this embodiment, there are three cleaning wheels, including a first cleaning wheel 16, a second cleaning wheel 35 and a third cleaning wheel 37, where the first cleaning wheel 16, the second cleaning wheel 35 and the third cleaning wheel 37 are respectively fixed on a first rotating shaft 17, a second rotating shaft 34 and a third rotating shaft 36, and the tops of the first rotating shaft 17, the second rotating shaft 34 and the third rotating shaft 36 are respectively fixed with a first output shaft 7, a second output shaft 30 and a third output shaft 32; the first output shaft 7, the second output shaft 30 and the third output shaft 32 are nested on the lower bracket 10 in a triangular symmetrical mode; a first driven wheel 8, a second driven wheel 31 and a third driven wheel 33 are respectively fixed on the first output shaft 7, the second output shaft 30 and the third output shaft 32;

the bottom of the impeller 3 is rotatably mounted on an upper support 9 through a stabilizing ring 5 (made of wear-resistant and corrosion-resistant copper materials), the stabilizing ring 5 is mounted in the middle of the upper support 9, a driving wheel 6 is fixedly connected to the outer side of the stabilizing ring 5, and the driving wheel 6, a first driven wheel 8, a second driven wheel 31 and a third driven wheel 33 are in gear transmission.

In the embodiment, the upper bracket 9 is a scattering type, the middle part of the upper bracket 9 is an inverted bowl-shaped compass, and the edge of the compass is provided with gear teeth for gear transmission with the first driven wheel 8, the second driven wheel 31 and the third driven wheel 33; the through hole is arranged between the outer end of the upper bracket 9 and the compass and is used for hollow water passing, and the outer end of the upper bracket 9 is in threaded connection with the inner side of the upper shell 4;

further, the lower bracket 10 is formed in a compass shape, and is installed below the upper bracket 9 through the stabilizing ring 5, so that the lower bracket 10 can freely rotate on the upper bracket 9.

In the embodiment, the upper bracket 9, the lower bracket 10, the driving wheel 6, the first output shaft 7, the first driven wheel 8, the second output shaft 30, the second driven wheel 31, the third output shaft 32, the third driven wheel 33, the first cleaning wheel 16, the first rotating shaft 17, the second rotating shaft 34, the second cleaning wheel 35, the third rotating shaft 36, the third cleaning wheel 37 and the upper cover 11 are made of high-strength wear-resistant corrosion-resistant resin materials;

the upper shell 4 and the lower shell 12 are made of high-strength PVC materials.

In the embodiment, the inner filter comprises an inner screen 14 and an inner framework 18, wherein the inner screen 14 is fixed on the outer side of the inner framework 18; the outer filter comprises an outer filter screen 13 and an outer framework 15, and the outer filter screen 13 is fixed on the inner side of the outer framework 15; the upper end of the inner layer framework 18 is in threaded connection with the upper sealing cover 11, the lower end of the inner layer framework 18 is in threaded connection with the annular base 26, the upper end of the outer layer framework 15 is in threaded connection with the upper sealing cover 11, and the lower end of the outer layer framework 15 is in threaded connection with the annular base 26;

the inner layer filter screen 14 and the outer layer filter screen 13 are both made of wear-resistant and corrosion-resistant metal wires, and the mesh number is more than 100.

In this embodiment, the first cleaning wheel 16, the second cleaning wheel 35 and the third cleaning wheel 37 are all spiral, the outer edges are provided with cleaning brushes with moderate hardness and softness, the cleaning brushes are distributed in a spiral shape, and the tail ends of the cleaning brushes are tightly attached to the outer side of the inner layer filter screen 14 and the inner side of the outer layer filter screen 13.

In this embodiment, the impeller 3 is of a turbine type, an output shaft is arranged at the bottom of the impeller 3, the impeller 3 and the output shaft are integrally designed, and the output shaft extends into the stabilizing ring 5 and is fixedly connected with the stabilizing ring 5.

In this embodiment, the device further comprises a fixed base 28 and a fixed frame 27, and the annular base 26 is mounted on the fixed base 28 through the fixed frame 27.

In the present embodiment, a control system is further included, and the control system includes a control unit 29, a pressure gauge 21, a water inlet control valve 2, a first water outlet control valve 20, a second water outlet control valve 24 and a sewage control valve 23; the water inlet control valve 2 is arranged on the water inlet pipe 1, the first water outlet control valve 20 is arranged on the first water outlet pipe 19, the second water outlet control valve 24 is arranged on the second water outlet pipe 25, the sewage control valve 23 is arranged on the sewage discharge pipe 22, and the sewage discharge pipe 22 is also provided with a pressure gauge 21;

the control unit 29 is made of a micro single chip microcomputer, has a timing function, and automatically controls the pressure gauge 21, the water inlet control valve 2, the first water outlet control valve 20, the second water outlet control valve 24 and the sewage control valve 23.

The working process of the embodiment is as follows:

the control unit 29 is used for opening the water inlet control valve 2, water enters a cavity formed by the upper shell 4 from the water inlet pipe 1, the impeller 3 is pushed to rotate under the action of water flow, the torque force drives the driving wheel 6 to rotate through an output shaft at the bottom of the impeller 3, the driving wheel 6 rotates automatically, drives the first driven wheel 8, the second driven wheel 31 and the third driven wheel 33 through gears, simultaneously drives the first output shaft 7, the second output shaft 30 and the third output shaft 32 to rotate, and starts to revolve around the stabilizing ring 5 under the driving of the lower bracket 10; the first output shaft 7 drives the first rotating shaft 17 to drive the first cleaning wheel 16, the first cleaning wheel 16 removes attachments on the outer side of the inner filter screen 14 and the inner side of the outer filter screen 13 by using a rim cleaning brush, similarly, the second output shaft 30 drives the second rotating shaft 34 to drive the second cleaning wheel 35, the second cleaning wheel 35 removes attachments on the outer side of the inner filter screen 14 and the inner side of the outer filter screen 13 by using the rim cleaning brush, the third output shaft 32 drives the third rotating shaft 36 to drive the third cleaning wheel 37, the third cleaning wheel 37 removes attachments on the outer side of the inner filter screen 14 and the inner side of the outer filter screen 13 by using the rim cleaning brush, thereby preventing the reduction of the filtering efficiency due to the attachments blocking the inner filter screen 14 and the outer filter screen 13 during the filtering process, simultaneously, a water body passes through the upper bracket 9 to enter a cavity formed by the inner filter screen 14 and the outer filter screen 13, and the control unit 29 is used to open the first water outlet control valve 20 and the second water outlet control valve 24, the filtered water enters the first water outlet pipe 19 and the second water outlet pipe 25.

When the concentration of suspended matters in the water body in a cavity formed by the inner filter screen 14 and the outer filter screen 13 obtains a limit value, temporary blockage occurs through the inner filter screen 14 and the outer filter screen 13, the pressure gauge 21 monitors that the pressure is continuously increased, a pressure data signal is fed back to the control unit 29, the control unit 29 gives an instruction, the blowdown control valve 23 is opened, the water body containing high-concentration impurities is discharged through the sewage pipe 22, and when the filtering effect is recovered and the pressure of the pressure gauge 21 returns to normal, the control unit 29 gives an instruction, and the blowdown control valve 22 is closed;

or when the set interval time of cleaning is reached, the control unit 29 gives an instruction, the blowdown control valve 23 is opened, the water body containing high-concentration impurities is discharged through the sewage pipe 22, when the water body returns to normal, the control unit 29 gives an instruction, the blowdown control valve 22 is closed, and after the process is finished, the water body filtering and purifying process is continued.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (10)

1. The utility model provides a filter equipment is washd in step to double-deck self-propelled which characterized in that: the method comprises the following steps: the main shell is arranged on the annular base; the top of the side wall of the main shell is connected with a water inlet pipe, and the bottom of the side wall is connected with a first water outlet pipe; the filter is arranged in the main shell, the number of the filters is two, the two filters comprise an inner filter and an outer filter, and a cavity is formed between the inner filter and the outer filter; a plurality of cleaning wheels are uniformly distributed between the inner layer filter and the outer layer filter; each cleaning wheel is arranged on a rotating shaft, the top of each rotating shaft is connected with an output shaft, and the output shafts are rotatably arranged on the lower support; the impeller is arranged at the top in the main shell, the impeller is arranged in the main shell through an upper support, and the bottom of the impeller is in transmission connection with the output shaft; the upper bracket is provided with a through hole, and the lower bracket is rotatably arranged below the upper bracket; the top of the cavity between the inner filter and the outer filter is communicated with the through hole, a sewage discharge pipe and a second water outlet pipe are connected below the annular base, the bottom of the cavity between the inner filter and the outer filter is communicated with the sewage discharge pipe, and the second water outlet pipe is communicated with the bottom of the inner cavity of the inner filter.

2. The double-layer self-propelled synchronous cleaning and filtering device according to claim 1, characterized in that: the main shell comprises an upper shell and a lower shell, the top of the side wall of the upper shell is connected with the water inlet pipe, the bottom of the side wall of the lower shell is connected with the first water outlet pipe, the top of the lower shell is in threaded connection with the bottom of the upper shell, and the bottom of the lower shell is in threaded connection with the annular base; the top of the lower shell is also provided with an upper sealing cover, and the upper sealing cover is in threaded connection with the lower shell.

3. The double-layer self-propelled synchronous cleaning and filtering device according to claim 2, characterized in that: the cleaning device comprises a first cleaning wheel, a second cleaning wheel and a third cleaning wheel, wherein the number of the cleaning wheels is three, the first cleaning wheel, the second cleaning wheel and the third cleaning wheel are respectively fixed on a first output shaft, a second output shaft and a third output shaft; the first output shaft, the second output shaft and the third output shaft are nested on the lower bracket in a triangular symmetrical mode; a first driven wheel, a second driven wheel and a third driven wheel are respectively fixed on the first output shaft, the second output shaft and the third output shaft;

the bottom of the impeller is rotatably arranged on the upper support through a copper stabilizing ring, a driving wheel is arranged on the outer side of the stabilizing ring, and the driving wheel, the first driven wheel, the second driven wheel and the third driven wheel are in gear transmission.

4. The double-layer self-propelled synchronous cleaning and filtering device according to claim 3, characterized in that: the upper bracket is of a scattering type, the middle part of the upper bracket is an inverted bowl-shaped compass, and gear teeth are arranged on the inner side of the outer edge of the compass and are used for being in gear transmission with the first driven wheel, the second driven wheel and the third driven wheel; the through hole is formed between the outer end of the upper support and the compass and used for water passing, and the outer end of the upper support is in threaded connection with the inner side of the upper shell;

the lower support is in a compass shape and is rotatably arranged below the upper support through the stabilizing ring.

5. The double-layer self-propelled synchronous cleaning and filtering device according to claim 4, characterized in that: the upper bracket, the lower bracket, the driving wheel, the first output shaft, the first driven wheel, the second output shaft, the second driven wheel, the third output shaft, the third driven wheel, the upper sealing cover, the first cleaning wheel, the second cleaning wheel and the third cleaning wheel are made of resin materials;

the upper shell and the lower shell are made of PVC materials.

6. The double-layer self-propelled synchronous cleaning and filtering device according to claim 5, characterized in that: the inner filter comprises an inner filter screen and an inner framework, and the inner filter screen is fixed on the outer side of the inner framework; the outer layer filter comprises an outer layer filter screen and an outer layer framework, and the outer layer filter screen is fixed on the inner side of the outer layer framework; the upper end of the inner layer framework is in threaded connection with the upper sealing cover, the lower end of the inner layer framework is in threaded connection with the annular base, the upper end of the outer layer framework is in threaded connection with the upper sealing cover, and the lower end of the outer layer framework is in threaded connection with the annular base;

the inner layer filter screen and the outer layer filter screen are both formed by processing metal wires, and the mesh number is more than 100 meshes.

7. The double-layer self-propelled synchronous cleaning and filtering device of claim 6, wherein: first cleaning wheel the second cleaning wheel and the third cleaning wheel is the screw-tupe, and the outside edge is provided with the cleaning brush, the tip of cleaning brush is hugged closely the outside of inlayer filter screen and the inboard of outer filter screen.

8. The double-layer self-propelled synchronous cleaning and filtering device according to claim 3, characterized in that: the impeller is of a turbine type, an output shaft is arranged at the bottom of the impeller, the impeller and the output shaft are integrally designed, and the output shaft extends into the stabilizing ring and is fixedly connected with the stabilizing ring.

9. The double-layer self-propelled synchronous cleaning and filtering device according to claim 1, characterized in that: the annular base is installed on the fixed base through the fixed frame.

10. The double-layer self-propelled synchronous cleaning and filtering device according to claim 1, characterized in that: the water supply system also comprises a control system, wherein the control system comprises a control unit, a pressure gauge, a water inlet control valve, a first water outlet control valve, a second water outlet control valve and a sewage discharge control valve; the water inlet control valve is arranged on the water inlet pipe, the first water outlet control valve is arranged on the first water outlet pipe, the second water outlet control valve is arranged on the second water outlet pipe, the sewage discharge control valve is arranged on the sewage discharge pipe, and the pressure gauge is also arranged on the sewage discharge pipe;

and the control unit is made of a micro single chip microcomputer and is used for automatically controlling the pressure gauge, the water inlet control valve, the first water outlet control valve, the second water outlet control valve and the sewage discharge control valve.

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