CN114620850A

CN114620850A - Sewage treatment device and application thereof in cleaning equipment

Info

Publication number: CN114620850A
Application number: CN202210309610.4A
Authority: CN
Inventors: 张朝昆; 鲍亮朋
Original assignee: Hefei Cool Environmental Protection Technology Co ltd
Current assignee: Hefei Cool Environmental Protection Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-06-14

Abstract

The invention discloses a sewage treatment device and application thereof in cleaning equipment, the sewage treatment device and application thereof in the cleaning equipment comprise a filtering mechanism, the filtering mechanism is communicated with a sewage pipe and a clean water pipe, a self-priming pump is arranged in the sewage pipe, a filter screen is arranged at the port of the self-priming pump, the self-priming pump is electrically connected with a control unit, a driving shaft penetrates through the middle part of the filtering mechanism, the bottom of the filtering mechanism is connected with a purifying bottom plate in an assembling way, a separating filter plate is arranged in the filtering mechanism, a sewage bin is arranged in the separating filter plate, the purifying bin is formed by the separating filter plate and the inner wall of the filtering mechanism, a centrifugal blade is arranged in the sewage bin and is fixedly connected with the driving shaft of the filter plate, the surface of the separating filter plate is connected with a cleaning mechanism in a sliding way, and the device can be highly integrated in a sweeper, the purification effect on the sewage is improved to the maximum extent while the space utilization rate is provided.

Description

Sewage treatment device and application thereof in cleaning equipment

Technical Field

The invention relates to the technical field of sewage treatment equipment, in particular to a sewage treatment device and application thereof in cleaning equipment.

Background

The floor washing machine is a cleaning machine which is suitable for cleaning hard ground and simultaneously sucking and drying sewage and taking the sewage away from the site, and has the advantages of environmental protection, energy conservation, high efficiency and the like. The floor washing machine is respectively a semi-automatic floor washing machine, a full-automatic floor washing machine, a hand-push floor washing machine and a driving floor washing machine.

The floor washing machine has short service time in China, is widely used in various social fields of developed countries, and is particularly suitable for places with wide hard floors, such as stations, wharfs, airports, workshops, warehouses, schools, hospitals, restaurants, markets and the like, and the cleaning concept of replacing manpower with machines is deep.

Chinese patent publication No. CN112690720A, a floor scrubber, comprising: a body, a floor brush and a handle; the handle is installed on fuselage upper portion, the fuselage articulates and installs on the scrubbing brush, be equipped with the soil pick-up mouth on the scrubbing brush, soil pick-up mouth department installs the cleaning roller, the fuselage divide into the three-layer, from top to bottom respectively is the control layer, the fan chamber, the sewage chamber, control layer internally mounted has storage battery and control unit, fan chamber middle part is equipped with the air exhauster, air exhauster electrically connected control unit and storage battery, fan chamber bottom and sewage chamber intercommunication, sewage intracavity portion installs the sewage treatment case, install the vent on the fuselage of sewage treatment bottom of the case portion, the vent passes through pipeline and soil pick-up mouth intercommunication, the sewage treatment case includes box and upper cover, be fixed with the air duct on the inside bottom surface of box, air duct lower extreme and vent intercommunication, the big miscellaneous collection fill of air duct upper end intercommunication. An exhaust fan for protecting the inner part of the fan cavity.

The current floor scrubber has sewage treatment system more, but current sewage treatment structural efficiency is lower, only filters through the filter core, and the filter core filters and needs the great pump pressure of water pump supply, and the device integrated level is relatively poor, and sewage treatment effect is not good.

Therefore, it is necessary to provide a sewage treatment device and its application in a cleaning apparatus to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a sewage treatment device and an application thereof in cleaning equipment to solve the technical problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sewage treatment device, includes filtering mechanism, filtering mechanism intercommunication has sewage pipe and clean water pipe, sewage pipe internally mounted has the self priming pump, self priming pump port department is equipped with the filter screen, self priming pump electric connection has the control unit, filtering mechanism's middle part is run through and is provided with the drive shaft, filtering mechanism's bottom assembled is connected with the purification bottom plate, filtering mechanism's inside is equipped with separates the filter plate, separate the inside sewage storehouse that is equipped with of filter plate, the inner wall of separating filter plate and filtering mechanism is formed with the purification storehouse, the inside in sewage storehouse is equipped with centrifugal blade, just centrifugal blade links to each other with the drive shaft is fixed, it has clearance mechanism to separate filter plate surface sliding connection, filtering mechanism's inside is equipped with drive clearance mechanism reciprocating motion's control part.

As a further scheme of the invention, a partition board is fixedly connected inside the purification bottom board, the partition board is funnel-shaped, a filter membrane is fixedly connected at the bottom of the partition board, one end of the filter membrane, which is far away from the partition board, is fixedly connected with the inside of the purification bottom board, a precipitation bin is arranged inside the partition board, the precipitation bin is communicated with a sewage bin, and a clear water bin is formed between the filter membrane and the partition board.

As a further scheme of the invention, the driving shaft is provided with a sewage port and a water outlet, one end of the sewage port is communicated with the self-priming pump, one end of the sewage port, which is far away from the sewage pipe, is communicated with the sewage bin, the water outlet is communicated with the clear water bin, and one end of the water outlet, which is far away from the clear water bin, is communicated with the clear water pipe.

As a further aspect of the present invention, an assembly protruding edge is disposed on an upper end surface of the purification base plate, a threaded groove is disposed on a side end surface of the assembly protruding edge, and a groove adapted to the assembly protruding edge is disposed at a bottom of the filtering mechanism.

As a further aspect of the present invention, the control portion includes a control portion main body, a control chamber, a driven gear, and a driving gear, the control portion main body is embedded inside the filtering mechanism, the driving shaft is disposed through the middle of the control portion main body, the control chamber is disposed inside the control portion main body, the driving gear is fixedly connected to a side end surface of the driving shaft, the driving gear is rotatably connected to a bottom of the control chamber, the driven gear is rotatably connected inside the control chamber, the driving gear is an incomplete gear, and the driven gear is engaged with the driving gear.

As a further scheme of the invention, the middle part of the driven gear is coaxially connected with a driven rod driving gear, a spiral spring is embedded in the driven rod driving gear, one end of the spiral spring, which is far away from the driven rod driving gear, is fixedly connected with a positioning column, and the positioning column is fixedly connected with the inner wall of the control cabin.

As a further scheme of the invention, the cleaning mechanism comprises a control ring, a driving rod and a cleaning scraper, the driven rod driving gear is rotatably embedded inside the separation filter plate through a rotating shaft, the control ring is sleeved on the outer end face of the driven rod driving gear, the control ring is in threaded engagement with the driven rod driving gear, the driving rod is fixedly connected to the side end face of the control ring, a sliding groove matched with the control ring is formed in the separation filter plate, the cleaning scraper is fixedly connected with the driving rod, and the cleaning scraper is attached to the inner wall of the separation filter plate.

The utility model provides an application of sewage treatment plant in cleaning device, cleaning device includes the cleaning wheel, drive shaft and the coaxial drive of cleaning wheel, sewage pipe and clean water pipe intercommunication have the storage water tank, inside sewage inductor and the clear water inductor of being equipped with of storage water tank, sewage inductor and clear water inductor and the control unit electrical property link to each other.

When the invention is used, the control unit can monitor water by connecting a sewage sensor and a clear water sensor, and can be also provided with a control switch to control the control unit, when the pollutant in the water tank is excessive, sewage is pumped into the sewage pipe by the self-priming pump and flows into the filtering mechanism through the sewage pipe for purification treatment, a separation filter plate is arranged inside the filtering mechanism, a purification bin and a sewage bin are formed by the separation filter plate, wherein the sewage is discharged into the sewage bin, the rotation of the driving shaft is controlled to drive the centrifugal blades to rotate, so that vortex is formed, the liquid is purified by the liquid centrifugation and the filtering action of the separation filter plate, meanwhile, in order to avoid the separation filter plate from being blocked, a filter screen is arranged at the liquid inlet end of the self-priming pump, large-particle impurities are primarily filtered, the blocking of the separation filter plate is prevented, and the filtering effect of the separation filter plate is ensured, separate filter plate sliding connection and have clearance mechanism, clear up the separation filter plate surface, inside liquid oozed to purifying the storehouse through separating the filter plate after filtering to carry out the secondary through purifying the bottom plate and filter back flow-back income clean water pipe, accessible clean water inductor carries out synchronous detection to liquid after filtering, and effective purifier volume improves purifying effect.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a schematic view of the filter mechanism of the present invention;

FIG. 3 is a schematic view of the internal structure of the filter mechanism of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at A in accordance with the present invention;

FIG. 5 is a schematic view of the drive shaft configuration of the present invention;

FIG. 6 is a schematic view of the construction of the purification base of the present invention;

FIG. 7 is a schematic view of the structure of the control part of the present invention;

FIG. 8 is a schematic view of the driven rod connection of the present invention;

FIG. 9 is a schematic view of the cleaning mechanism of the present invention;

FIG. 10 is an enlarged view of FIG. 9 at C of the present invention;

FIG. 11 is a schematic view of the cleaning blade configuration of the present invention;

FIG. 12 is a schematic view of the present invention in use on a ride-on scrubber; .

In the figure: 1. a control unit; 2. a control switch; 3. a sewage sensor; 4. a filter screen; 5. a self-priming pump; 6. a sewage pipe; 7. a filtering mechanism; 8. a clear water pipe; 9. a clear water sensor; 10. a drive shaft; 11. a purification base plate; 12. a control unit; 13. separating the filter plates; 14. a centrifugal blade; 15. purifying the bin; 16. a sewage bin; 17. a sewage port; a cleaning mechanism 18; 19. a settling bin; 20. a clear water bin; 21. a water outlet; 22. filtering the membrane; 23. a partition plate; 24. assembling the protruding edge; 25. a control unit main body; 26. a control cabin; 27. a driven tooth; 28. a driven lever; 29. a drive gear; 31. a volute spiral spring; 32. a positioning column; 33. a control loop; 34. cleaning a scraper; 35. a sliding groove; 36. a drive rod; 37. a rotating shaft; 38. a cleaning device 39 and a cleaning wheel 39.

Detailed Description

Example one

As shown in fig. 1-3, a sewage treatment device, including filtering mechanism 7, filtering mechanism 7 intercommunication has sewage pipe 6 and clean water pipe 8, sewage pipe 6 internally mounted has self priming pump 5, self priming pump 5 port department is equipped with filter screen 4, self priming pump 5 electric connection has control unit 1, the middle part of filtering mechanism 7 runs through and is provided with drive shaft 10, filtering mechanism 7's bottom assembled is connected with purification bottom plate 11, filtering mechanism 7's inside is equipped with separates filter plate 13, it is equipped with sewage storehouse 16 to separate inside filter plate 13, the inner wall of separating filter plate 13 and filtering mechanism 7 is formed with purification storehouse 15, the inside of sewage storehouse 16 is equipped with centrifugal blade 14, and centrifugal blade 14 and drive shaft 10 are fixed continuous, it has clearance mechanism 18 to separate filter plate 13 surface sliding connection, the inside of filtering mechanism 7 is equipped with drive clearance mechanism 18 reciprocating motion's control part 12.

When the device is used, the control unit 1 can monitor water by being connected with a sewage sensor 3 and a clear water sensor 9, the device can be also provided with a control switch 2 to control the control unit 1, when pollutants in a water tank are excessive, sewage is pumped into a sewage pipe 6 through a self-priming pump 5 and flows into a filtering mechanism 7 through the sewage pipe 6 for purification treatment, a separating filter plate 13 is arranged inside the filtering mechanism 7, a purifying bin 15 and a sewage bin 16 are formed through the separating filter plate 13, the sewage is discharged into the sewage bin 16, a centrifugal blade 14 is driven to rotate by controlling the rotation of a driving shaft 10, so that a vortex is formed, liquid is purified by virtue of liquid centrifugation and the filtering action of the separating filter plate 13, meanwhile, in order to avoid the separating filter plate 13 from being blocked, a filter screen 4 is arranged at the liquid inlet end of the self-priming pump 5 to primarily filter large-particle impurities, and prevent the blocking of the separating filter plate 13, and in order to guarantee the filtering effect of the separation filter plate 13, the separation filter plate 13 is connected with a cleaning mechanism 18 in a sliding mode, the surface of the separation filter plate 13 is cleaned, filtered liquid seeps into the purification bin 15 through the separation filter plate 13 and flows back into the clean water pipe 8 after being secondarily filtered through the purification bottom plate 11, the filtered liquid can be synchronously detected through the clean water inductor 9, the size of the purification device is effectively reduced, and the purification effect is improved.

Example two

On the basis of the first embodiment, as shown in fig. 1-4, a partition plate 23 is fixedly connected inside the purification bottom plate 11, the partition plate 23 is funnel-shaped, a filter membrane 22 is fixedly connected to the bottom of the partition plate 23, one end of the filter membrane 22, which is far away from the partition plate 23, is fixedly connected with the inside of the purification bottom plate 11, a precipitation bin 19 is arranged inside the partition plate 23, the precipitation bin 19 is communicated with the sewage bin 16, and a clean water bin 20 is formed between the filter membrane 22 and the partition plate 23.

As shown in fig. 1-4 and 6, the driving shaft 10 is provided with a sewage port 17 and a water outlet 21, one end of the sewage port 17 is communicated with the self-priming pump 5, one end of the sewage port 17 departing from the sewage pipe 6 is communicated with the sewage bin 16, the water outlet 21 is communicated with the clean water bin 20, and one end of the water outlet 21 departing from the clean water bin 20 is communicated with the clean water pipe 8.

When the device is used, two ends of the driving shaft 10 are arranged in a hollow manner and are respectively communicated with the sewage pipe 6 and the clean water pipe 8, the specific sewage pipe 6 is connected to the top of the filtering mechanism 7, sewage can be injected into the sewage bin 16 through the sewage port 17 by gravity, the clean water pipe 8 is connected to the bottom of the driving shaft 10 and is communicated with the clean water bin 20 through the water outlet 21, the further purifying bottom plate 11 is provided with a partition plate 23, impurities in the sewage are gathered due to the rotation of the centrifugal blade 14, the partition plate 23 is arranged into a funnel shape to facilitate the rapid precipitation of the impurities, the clean water bin 20 is also provided with the partition plate 23, liquid in the purifying bin 15 permeates into the clean water bin 20 through the partition plate 23 and is subjected to secondary filtration through the partition plate 23, the further clean water bin 20 can be filled with corresponding filter materials, such as active carbon and the like to realize the third purification of the liquid, the purified liquid flows back into the clean water pipe 8 through the water outlet 21, the device has better purification effect.

As shown in fig. 1-4 and 6, the upper end surface of the purification base plate 11 is provided with an assembling flange 24, the side end surface of the assembling flange 24 is provided with a threaded groove, and the bottom of the filtering mechanism 7 is provided with a groove matched with the assembling flange 24.

During the use, purify bottom plate 11 and be connected with filtering mechanism 7 assembled through the screw thread adaptation of assembly abrupt edge 24 for purify bottom plate 11 and can dismantle fast, purify bottom plate 11 after the dismantlement can be convenient for change filter membrane 22 and clear up the inside of depositing storehouse 19 and filtering mechanism 7, and the device is maintained convenient high efficiency.

As shown in fig. 1 to 7, the control portion 12 includes a control portion main body 25, a control chamber 26, driven teeth 27 and a driving gear 29, the control portion main body 25 is embedded inside the filtering mechanism 7, the driving shaft 10 is disposed through the middle of the control portion main body 25, the control chamber 26 is opened inside the control portion main body 25, the driving gear 29 is fixedly connected to a side end surface of the driving shaft 10, the driving gear 29 is rotatably connected to a bottom of the control chamber 26, the driven teeth 27 are rotatably connected inside the control chamber 26, the driving gear 29 is an incomplete gear, and the driven teeth 27 are engaged with the driving gear 29.

As shown in fig. 1 to 8, a driven rod driving gear 28 is coaxially connected to the middle of the driven gear 27, a spiral spring 31 is embedded inside the driven rod driving gear 28, a positioning column 32 is fixedly connected to one end of the spiral spring 31, which is away from the driven rod driving gear 28, and the positioning column 32 is fixedly connected to the inner wall of the control cabin 26.

When the centrifugal driving device is used, the driving shaft 10 is used for driving the centrifugal blades 14 to rotate, the driving shaft 10 controls the driving gear 29 to rotate while rotating, the driving gear 29 is meshed with the driven teeth 27 to drive the driven teeth 27 to rotate synchronously, the driven teeth 27 are fixedly connected with the driven rod driving gear 28 to drive the driven rod driving gear 28 to rotate, and the driving gear 29 is an incomplete gear, when the driven teeth 27 are disengaged from the driving gear 29, the driven rod driving gear 28 can rotate under the action of the spiral spring 31 until the driving gear 29 rotates to be re-meshed with the driven teeth 27, and reciprocating driving of the driven rod driving gear 28 is achieved.

As shown in fig. 1 to 12, the cleaning mechanism 18 includes a control ring 33, a driving rod 36 and a cleaning scraper 34, the driven rod driving gear 28 is rotatably embedded inside the separation filter plate 13 through a rotating shaft 37, the control ring 33 is sleeved on the outer end face of the driven rod driving gear 28, the control ring 33 is in threaded engagement with the driven rod driving gear 28, the driving rod 36 is fixedly connected to the side end face of the control ring 33, a sliding groove 35 matched with the control ring 33 is formed inside the separation filter plate 13, the cleaning scraper 34 is fixedly connected with the driving rod 36, and the cleaning scraper 34 is attached to the inner wall of the separation filter plate 13.

During the use, because driven lever drive gear 28 is reciprocating rotation under the drive of control portion 12, and driven lever drive gear 28 and control ring 33 threaded engagement, thereby realize the reciprocal drive from top to bottom to control ring 33, thereby control actuating lever 36, drive clearance scraper 34 at the surface reciprocating motion of separating the filter plate 13 inner wall, clearance scraper 34 can adopt rubber and net brush material with separating filter plate 13 laminating department, improve its clearance effect, and actuating lever 36 can set up to the elastic telescopic link, make clearance scraper 34 laminate with separating filter plate 13 all the time through the elasticity of actuating lever 36, improve clearance scraper 34's clearance effect.

Further, driven lever drive gear 28 can set up the multiunit, evenly sets up in the inside of separating filter plate 13, and clearance scraper 34 fixed connection is in the both sides of actuating lever 36, through to group driven lever drive gear 28, drives clearance scraper 34 to make driven tooth 27 in the inside evenly distributed of control storehouse 26, reduce the impact wear between drive gear 29 and the driven tooth 27, improve the stability of device operation.

A cleaning device 38 comprises a cleaning wheel 39, a driving shaft 10 and the cleaning wheel 39 are coaxially driven, a sewage pipe 6 and a clean water pipe 8 are communicated with a water storage tank, a sewage sensor 3 and a clean water sensor 9 are arranged in the water storage tank, and the sewage sensor 3 and the clean water sensor 9 are electrically connected with a control unit 1.

The working principle is as follows: the control unit 1 can monitor water by being connected with a sewage sensor 3 and a clear water sensor 9, when the water tank has excessive pollutants, sewage is pumped into a sewage pipe 6 through a self-priming pump 5 and flows into a filtering mechanism 7 through the sewage pipe 6 for purification treatment, a separation filter plate 13 is arranged inside the filtering mechanism 7, a purification bin 15 and a sewage bin 16 are formed by the separation filter plate 13, the sewage is discharged into the sewage bin 16, a centrifugal blade 14 is driven to rotate by controlling the rotation of a driving shaft 10, so that a vortex is formed, liquid is purified by virtue of liquid centrifugation and the filtering action of the separation filter plate 13, meanwhile, in order to avoid the blockage of the separation filter plate 13, a filter screen 4 is arranged at the liquid inlet end of the self-priming pump 5, large granular impurities are primarily filtered, the blockage of the separation filter plate 13 is prevented, and in order to ensure the filtering effect of the separation filter plate 13, the separation filter plate 13 is connected with a cleaning mechanism 18 in a sliding way, the surface of the separating filter plate 13 is cleaned, the filtered liquid seeps into the purifying bin 15 through the separating filter plate 13 and flows back into the clean water pipe 8 after being secondarily filtered through the purifying bottom plate 11, the filtered liquid can be synchronously detected through the clean water sensor 9, the size of the effective purifying device is increased, the purifying effect is improved, two ends of the driving shaft 10 are arranged in a hollow mode and are respectively communicated with the sewage pipe 6 and the clean water pipe 8, the specific sewage pipe 6 is connected to the top of the filtering mechanism 7, sewage can be injected into the sewage bin 16 through the sewage port 17 through gravity, the clean water pipe 8 is connected to the bottom of the driving shaft 10 and is communicated with the clean water bin 20 through the water outlet 21, the further purifying bottom plate 11 is provided with a partition plate 23, due to the rotation of the centrifugal blades 14, impurities in the sewage are gathered, the partition plate 23 is arranged into a funnel shape to facilitate the rapid precipitation of the impurities, and the clean water bin 20 is also provided with the partition plate 23, liquid in the purifying bin 15 permeates into the clear water bin 20 through the partition plate 23, secondary filtering is carried out through the partition plate 23, corresponding filter materials can be filled in the clear water bin 20, third purification of the liquid is realized through activated carbon and the like, the purified liquid flows back into the clear water pipe 8 through the water outlet 21, the purifying effect of the device is good, the purifying bottom plate 11 is in assembly connection with the filtering mechanism 7 through the thread fit of the assembly flange 24, the purifying bottom plate 11 can be rapidly disassembled, the disassembled purifying bottom plate 11 can facilitate replacement of the filter membrane 22 and cleaning of the interior of the settling bin 19 and the interior of the filtering mechanism 7, the device is convenient and efficient to maintain, the driving shaft 10 is used for driving the centrifugal blades 14 to rotate, the driving shaft 10 also controls the driving gear 29 to rotate when rotating, and the driving gear 29 is meshed with the driven gear 27 so as to drive the driven gear 27 to synchronously rotate, and because the driven teeth 27 are fixedly connected with the driven rod driving gear 28, the driven rod driving gear 28 is driven to rotate, and because the driving gear 29 is an incomplete gear, when the driven teeth 27 are disengaged from the driving gear 29, the driven rod driving gear 28 can rotate under the action of the spiral spring 31 until the driving gear 29 rotates to be re-engaged with the driven teeth 27, and further the driven rod driving gear 28 is driven to reciprocate, because the driven rod driving gear 28 rotates to and fro under the driving of the control part 12, and the driven rod driving gear 28 is in threaded engagement with the control ring 33, the control ring 33 is driven to reciprocate up and down, so as to control the driving rod 36, drive the cleaning scraper 34 to reciprocate on the surface of the inner wall of the separation filter plate 13, the joint of the cleaning scraper 34 and the separation filter plate 13 can be made of rubber and mesh brush, and the cleaning effect is improved, and the driving rod 36 can be set as an elastic telescopic rod, so that the cleaning scraper 34 is always attached to the separation filter plate 13 through the elasticity of the driving rod 36, and the cleaning effect of the cleaning scraper 34 is improved.

Claims

1. The utility model provides a sewage treatment device, includes filtering mechanism, its characterized in that, filtering mechanism intercommunication has sewage pipe and clean water pipe, sewage pipe internally mounted has the self priming pump, self priming pump port department is equipped with the filter screen, self priming pump electric connection has the control unit, filtering mechanism's middle part is run through and is provided with the drive shaft, filtering mechanism's bottom assembled is connected with the purification bottom plate, filtering mechanism's inside is equipped with separates the filter plate, it is equipped with the sewage storehouse to separate the filter plate inside, the inner wall of separating filter plate and filtering mechanism is formed with the purification storehouse, the inside in sewage storehouse is equipped with centrifugal blade, just centrifugal blade links to each other with the drive shaft is fixed, it has clearance mechanism to separate filter plate surface sliding connection, filtering mechanism's inside is equipped with drive clearance mechanism reciprocating motion's control part.

2. The sewage treatment apparatus according to claim 1, wherein: the inside fixedly connected with baffle of purifying the bottom plate, the baffle is the infundibulate, the bottom fixedly connected with filter membrane of baffle, the one end that the filter membrane deviates from the baffle links to each other with the inside of purifying the bottom plate is fixed, the inside of baffle has been seted up and has been precipitated the storehouse, it is linked together with the sewage storehouse to precipitate the storehouse, be formed with the clear water storehouse between filter membrane and the baffle.

3. The sewage treatment apparatus according to claim 2, wherein: sewage mouth and delivery port have been seted up to the drive shaft, just sewage mouth one end and self priming pump intercommunication, the sewage mouth deviates from the one end and the sewage storehouse intercommunication of sewage pipe, the delivery port is linked together with the clear water storehouse, the one end that the delivery port deviates from the clear water storehouse is linked together with the clear water pipe.

4. The sewage treatment apparatus according to claim 1, wherein: the upper end face of the purification bottom plate is provided with an assembly protruding edge, the side end face of the assembly protruding edge is provided with a thread groove, and the bottom of the filtering mechanism is provided with a groove matched with the assembly protruding edge.

5. The sewage treatment apparatus according to claim 1, wherein: the control part includes control part main part, control storehouse, driven tooth and drive gear, the control part main part inlays the inside of establishing at filtering mechanism, the drive shaft runs through the middle part that sets up in the control part main part, the inside in the control part main part is seted up in the control storehouse, drive gear fixed connection is at the side end face of drive shaft, just drive gear rotates with the bottom in control storehouse and links to each other, driven tooth rotates the inside of connecting in the control storehouse, just drive gear is incomplete gear, driven tooth meshes with drive gear mutually.

6. The sewage treatment apparatus according to claim 5, wherein: the middle part coaxial coupling of driven tooth has driven lever drive gear, driven lever drive gear's inside is inlayed and is equipped with volute spiral spring, volute spiral spring deviates from driven lever drive gear's one end fixedly connected with reference column, the reference column links to each other with the control storehouse inner wall is fixed.

7. The sewage treatment apparatus according to claim 6, wherein: clearance mechanism includes control ring, actuating lever and clearance scraper blade, driven lever drive gear rotates through the axis of rotation and inlays the inside of establishing at the separation filter plate, control ring cup joints at driven lever drive gear's outer terminal surface, just control ring and driven lever drive gear thread engagement, actuating lever fixed connection is at the side end face of control ring, separate the inside sliding tray of offering with control ring looks adaptation of filter plate, the clearance scraper blade links to each other with the actuating lever is fixed, clearance scraper blade 34 sets up with separating 13 inner walls of filter plate laminating.

8. Use of a wastewater treatment plant according to any of claims 1 to 7 in a cleaning apparatus, characterized in that: the cleaning device comprises a cleaning wheel, the driving shaft and the cleaning wheel are coaxially driven, the sewage pipe and the clean water pipe are communicated with a water storage tank, a sewage sensor and a clean water sensor are arranged in the water storage tank, and the sewage sensor and the clean water sensor are electrically connected with the control unit.