CN114632360A

CN114632360A - Environment-friendly municipal water supply and drainage sewage treatment device and treatment method

Info

Publication number: CN114632360A
Application number: CN202210337869.XA
Authority: CN
Inventors: 祁东东; 苏琼婵; 何昭菊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-06-17

Abstract

The invention discloses an environment-friendly sewage treatment device and a treatment method for municipal water supply and drainage in the technical field of environment-friendly sewage treatment for municipal water supply and drainage, wherein the device comprises a treatment shell, the top of the treatment shell is fixedly connected with a water inlet pipe, and the bottom of the treatment shell is fixedly connected with a first water outlet pipe and a second water outlet pipe; according to the invention, by arranging the filter plate, the separating plate, the filtering device and the cleaning device, the problem of blockage of the filter holes is rapidly solved, the whole filtering process of sewage is not required to be stopped, the working efficiency is ensured, the problem that when the filter holes are blocked, the water level at the upper parts of the filter holes is easy to rise, and potential safety hazards are caused to the operation of equipment is avoided, when the filter holes are cleaned, the filtering process of sewage can only be stopped, and the blocked holes are cleaned manually, and because the filter holes are smaller, the cleaning is time-consuming and labor-consuming, and the working efficiency of sewage treatment is difficult to ensure is solved.

Description

Environment-friendly municipal water supply and drainage sewage treatment device and treatment method

Technical Field

The invention relates to the field of environment-friendly municipal water supply and drainage sewage treatment, in particular to an environment-friendly municipal water supply and drainage sewage treatment device and a treatment method.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

The invention discloses a case of a sewage treatment device for part of municipal water supply and drainage in the prior art, and a Chinese patent with the patent application number of 202011112880.3 comprises a body, a support frame, a second electric telescopic rod, a sludge discharge chamber, stirring blades, a biological purification membrane, a confluence cover and a spiral heat exchange tube, wherein a support plate is arranged in the body, and the sludge discharge chamber is arranged between the upper part of the support plate and the body.

When carrying out the filtration of sewage among the prior art, when the filter mesh appears blockking up, the water level that appears filtering mesh upper portion easily risees, causes the potential safety hazard to the operation of equipment, when clearing up the mesh, can only stop the filtration treatment of sewage, and the manual work is cleared up the mesh that blocks up, and because filter mesh is less, the clearance gets up and wastes time and energy, and sewage treatment's work efficiency is difficult to guarantee.

Based on the above, the invention designs an environment-friendly municipal water supply and drainage sewage treatment device and a treatment method, so as to solve the problems.

Disclosure of Invention

The invention aims to provide an environment-friendly municipal sewage treatment device and a treatment method, which aim to solve the problems that when sewage is filtered in the prior art, when filter meshes are blocked, the water level at the upper parts of the filter meshes is easy to rise, potential safety hazards are caused to the operation of equipment, when the meshes are cleaned, the sewage filtration treatment can only be stopped, the blocked meshes are cleaned manually, and the problems that the cleaning is time-consuming and labor-consuming and the working efficiency of sewage treatment is difficult to guarantee due to the small filter meshes are solved.

In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly sewage treatment device for municipal water supply and drainage comprises a treatment shell, wherein the top of the treatment shell is fixedly connected with a water inlet pipe, the bottom of the treatment shell is fixedly connected with a first water outlet pipe and a second water outlet pipe, the surfaces of the water inlet pipe, the first water outlet pipe and the second water outlet pipe are all in threaded connection with valves, the two sides of the inner wall of the treatment shell are both provided with a first step surface and a second step surface, the side surface of the first step surface is in sliding connection with a filter plate, the side surface of the filter plate is provided with a plurality of through first rectangular holes, the inner wall of the filter plate is in sliding connection with a separation plate, the side surface of the separation plate is provided with a plurality of through second rectangular holes, the first rectangular holes and the second rectangular holes jointly form filter holes, the side surface of the separation plate is in sliding connection with a first shaft penetrating through the separation plate, the bottom of the first shaft is fixedly connected with a support plate, and the side surface of the support plate is fixedly connected with the filter plate, the side surface of the processing shell is connected with a limiting device for limiting the movement of the filter plate, and the side surface of the processing shell and the top of the filter plate are connected with cleaning devices for cleaning the top of the filter plate and the top of the separation plate;

the limiting device comprises two groups of first plates, the number of each group is two, the end parts of the first plates are fixedly connected on the inner wall of the processing shell, the two first plates are fixedly connected with a first rotating shaft together, the surface of the first rotating shaft is fixedly connected with a first roller, two groups of second plates are fixedly connected on both sides of the processing shell, the number of each group is two, the two second plates are fixedly connected with a second rotating shaft together, the surface of the second rotating shaft is fixedly connected with a second roller, the two sides of the processing shell are both connected with a third plate penetrating through the processing shell in a sliding way, the side surface of the third plate is fixedly connected with a third spring, the other end of the third spring is fixedly connected with an L-shaped plate, the L-shaped plate is fixedly connected on the side surface of the processing shell, the side surface of the third plate is fixedly connected with a first rope which penetrates through the third spring and bypasses the second roller and the first roller, the first rope penetrates through the filter plate and the end part of the first rope is fixedly connected with a floating block, the third plate penetrates through the treatment shell, the end part of the third plate is inserted into the side surface of the filter plate, the two ends of the top of the filter plate are fixedly connected with fourth plates, the second step surface is provided with a first groove, and the fourth plates are connected to the inner wall of the first groove in a sliding manner;

the cleaning device comprises four first cleaning plates distributed in an array and four second cleaning plates distributed in an array, wherein the bottoms of the first cleaning plates and the second cleaning plates are fixedly connected with first sliding blocks, the tops of the filtering plates are provided with two symmetrical first sliding chutes, the first sliding blocks are slidably connected on the inner walls of the first sliding chutes, the side surface of the first cleaning plate on the left side is fixedly connected with a third shaft and a fourth shaft, the third shaft penetrates through the rest first cleaning plates and is fixedly connected with a first supporting block at the end part, the side surface of the first supporting block is fixedly connected with a first supporting spring, the other end of the first supporting spring is fixedly connected on the inner wall of the processing shell, the side surface of the second cleaning plate on the right side is fixedly connected with a fifth shaft and a sixth shaft, the fifth shaft penetrates through the rest second cleaning plates and is fixedly connected with a second supporting block at the end part, and is fixedly connected with a second supporting spring, the improved automatic cleaning device is characterized in that the other end of the second supporting spring is fixedly connected to the inner wall of the treatment shell, the bottom of each of two ends of the filter plate is fixedly connected with a baffle plate, two side faces of the treatment shell are fixedly connected with fixing springs, the other end of each fixing spring is fixedly connected with an ejector rod, the ejector rod penetrates through the treatment shell and the end of the treatment shell to be contacted with the baffle plate, the inner walls of the first rectangular hole and the second rectangular hole are symmetrically and fixedly connected with turnover shafts, the surfaces of the turnover shafts are rotatably connected with the turnover plates, four groups of supporting shafts are fixedly connected to the bottom of the inner wall of the treatment shell, and the number of each group is two. The two support shafts are fixedly connected with a bearing plate together, the top of the bearing plate is fixedly connected with a plurality of large jacking blocks and small jacking blocks, the top of the bearing plate is fixedly connected with a shaft shell, the inner wall of the shaft shell is connected with a jacking shaft in a sliding manner, the bottom of the jacking shaft and the bottom of the shaft shell are fixedly connected with bearing springs together, the top of the processing shell is connected with two connecting shafts penetrating through the processing shell in a sliding manner, the two connecting shafts are fixedly connected with a frame-shaped body together, the frame-shaped body and the processing shell are fixedly connected with reset springs sleeved on the surfaces of the connecting shafts together, two sides of the frame-shaped body are fixedly connected with four limiting shafts, two side surfaces of the processing shell are fixedly connected with four sliding shells, the inner wall of the sliding shell is connected with a third cleaning plate in a sliding manner, the side surfaces of the third cleaning plate and the sliding shells are fixedly connected with cleaning springs together, and the inner walls of two sides of the processing shell are provided with four notches, the third cleaning plate is connected to the inner wall of the notch in a sliding mode, and the end part of the limiting shaft is inserted into the side face of the third cleaning plate;

when the sewage treatment device works, when sewage is filtered in the prior art, when the filter meshes are blocked, the water level at the upper parts of the filter meshes is easy to rise, so that potential safety hazards are caused to the operation of equipment, when the meshes are cleaned, the sewage filtering treatment can only be stopped, the blocked meshes are cleaned manually, because the filter meshes are smaller, the cleaning is time-consuming and labor-consuming, and the working efficiency of the sewage treatment is difficult to guarantee, the technical scheme solves the problems by arranging the filter plate, the separating plate, the filtering device and the cleaning device, when the sewage treatment is carried out, the water outlet speed of the first water outlet pipe is found to be slow, the filter holes are blocked at the moment, the first water outlet pipe is closed, the second water outlet pipe is opened for the treatment of the blockage, because the filtering speed is slow due to the blockage, along with the continuous rise of the water level at the top of the filter plate, the floating blocks are driven to move upwards by the action of buoyancy, the rope pulls the third plate to gradually release the limit of the filter plate, the filter plate with the limit removed moves downwards under the action of the second spring and self gravity, the filter plate moving downwards synchronously drives the separating plate to move downwards and gradually contact with the top shaft, under the action of the top shaft, the separating plate gradually generates dislocation with the filter plate, so that the first rectangular hole and the second rectangular hole form dislocation, the sundries blocked between the two rectangular holes deform along with the dislocation of the two rectangular holes and further become loose and gradually fall off, so that most of the sundries blocked in the rectangular holes fall off, along with the downward movement of the filter plate and the separating plate, the large top block and the small top block respectively contact the side face of the turnover plate in the second rectangular hole and the side face of the turnover plate in the first rectangular hole and gradually jack up the turnover plate, and in the process that the turnover plate turns upwards, the side face of the turnover plate scrapes sundries which do not fall off from the side faces of the first rectangular hole and the second rectangular hole once, the scraped sundries all fall onto the turnover plate, when the turnover plate moves to a horizontal state, the filter plate and the separating plate do not move downwards, the top of the filter plate is positioned below the ejector rod, the ejector rod is not shielded by the shielding plate, the ejector rod pops out under the action of the fixed spring and contacts and extrudes the fourth shaft and the sixth shaft, the extruded fourth shaft and sixth shaft drive the first cleaning plate and the second cleaning plate to slide along the surface of the filter plate, the sliding first cleaning plate and the sliding second cleaning plate clean sundries adhered to the surface of the filter plate and the surface of the turnover plate positioned in the first rectangular hole, and the cleaned sundries are mixed along a gap between the filter plate and the separating plate and flow to the bottom, when the filter plate moves downwards, the top of the floating block contacts and extrudes the connecting shaft, the extruded connecting shaft pulls the return spring, the limiting shaft is pulled to move upwards through the frame body, the limiting shaft moving upwards releases the limitation on the third cleaning plate, when the third cleaning plate releases the limitation, the turnover plate moves horizontally, the upper surface of the separation plate is tangent to the lower surface of the third cleaning plate, the third cleaning plate is popped out under the action of the cleaning spring and cleans the surface of the turnover plate positioned in the second rectangular hole, the cleaned impurities slide down to the bottom along a gap between the filter plate and the separation plate, and the top of the third cleaning plate is provided with water, so that the filter plate can be cleaned quickly, the impurities adhered to the turnover plate can be cleaned conveniently, the impurities can flow away along the water flow, and the filter plate can be reset after being cleaned, and reopen first outlet pipe, close the second outlet pipe, let the sewage after the completion of filtering flow through first outlet pipe, through the above-mentioned process realize the jam problem of rapid treatment filtration pore, and need not to stop the filtration treatment process of whole sewage, the efficiency of work is guaranteed, when having avoided filtering the mesh and appearing blockking up, the water level that appears filtering mesh upper portion easily risees, cause the potential safety hazard to the operation of equipment, when clearing up the mesh, can only stop the filtration treatment of sewage, the manual work is cleared up the mesh that blocks up, because filtering the mesh is less, it wastes time and energy to clear up, the problem that sewage treatment's work efficiency is difficult to the assurance.

As a further scheme of the invention, the first cleaning plate and the second cleaning plate are fixedly connected with two transverse blocks at the side length, the two transverse blocks are fixedly connected with a seventh shaft together, the surface of the seventh shaft is rotatably connected with a cleaning roller, the surface of the cleaning roller is fixedly connected with a hairbrush, one end of the cleaning roller is fixedly connected with two symmetrical first special-shaped blocks, the other end of the cleaning roller and the transverse block are fixedly connected with an extrusion spring sleeved on the surface of the seventh shaft together, the surface of the seventh shaft is fixedly connected with a rotating wheel, and the side surface of the rotating wheel is fixedly connected with two symmetrical second special-shaped blocks; when in work, in order to ensure that the surface of the filter plate is cleaned and firm sundries can not be left after adhesion, the scheme adopts the structure of the cleaning roller, the brush and the like, when the first cleaning plate and the second cleaning plate slide along the surface of the filter plate for cleaning, the rotating wheel is synchronously driven to rotate, the rotating wheel drives the cleaning roller to rotate through the seventh shaft, the brush on the surface of the cleaning roller cleans the surface of the filter plate, meanwhile, the second special-shaped block on the rotating wheel extrudes the first special-shaped block when contacting with the first special-shaped block, the first special-shaped block drives the cleaning roller to extrude the extrusion spring, when the second special-shaped block is not in contact with the first special-shaped block, the cleaning roller is reset under the action of the extrusion spring, thereby realize that the cleaning roller is at the horizontal reciprocal scraping of rolling in-process, and then increase the clearance to filter surface adhesion debris, improve the effect of its clearance greatly.

As a further scheme of the present invention, the inner wall of the notch is fixedly connected with an eighth shaft, the surface of the eighth shaft is rotatably connected with a sealing plate, both side surfaces of the sealing plate are fixedly connected with torsion springs, the torsion springs are sleeved on the surface of the eighth shaft, and the end portions of the torsion springs are fixedly connected to the inner wall of the notch; the during operation, in order to guarantee not blocking up the leakproofness of handling the during operation notch, through setting up closing plate and torsional spring, when not blocking up the during operation of handling, under the drive of torsional spring, the closing plate will closely laminate with the inner wall of notch, guarantees its leakproofness, and when blocking up the processing, the third clearance board will directly push away the closing plate and carry out work, under the sealed circumstances of assurance, can not influence the work of third clearance board.

As a further scheme of the invention, the large top block and the small top block are both provided with inclined planes; during operation, the large jacking block and the small jacking block can jack up the turnover plate quickly and accurately by arranging the inclined plane.

An application method of an environment-friendly municipal water supply and drainage sewage treatment device comprises the following steps:

s1: when sewage treatment is carried out, the water outlet speed of the first water outlet pipe is found to be slow, the filter holes are blocked, the first water outlet pipe is closed, and the second water outlet pipe is opened for blocking treatment;

s2: the filtering speed is slowed down due to blockage, the floating block drives the rope to move upwards under the action of buoyancy along with the continuous rising of the water level at the top of the filter plate, the rope pulls the third plate to gradually remove the limit of the filter plate, the filter plate with the limit removed moves downwards under the action of the second spring and self gravity, the filter plate moving downwards synchronously drives the separating plate to move downwards and gradually contact with the ejector rod, the separating plate gradually generates dislocation with the filter plate under the action of the ejector rod, so that the first rectangular hole and the second rectangular hole form dislocation, and sundries blocked between the two rectangular holes deform along with the dislocation of the two rectangular holes and further become loose and gradually fall off;

s3: along with the downward movement of the filter plate and the separating plate, the large top block and the small top block respectively contact the side face of the turnover plate in the second rectangular hole and the side face of the turnover plate in the first rectangular hole and gradually jack up the turnover plate, when the turnover plate moves to a horizontal state, the filter plate and the separating plate do not move downward, the top of the filter plate is positioned below the ejector rod, the ejector rod is not shielded by the shielding plate, the ejector rod pops out under the action of the fixed spring, contacts with and extrudes the fourth shaft and the sixth shaft, and the fourth shaft and the sixth shaft which are extruded drive the first cleaning plate and the second cleaning plate to slide along the surface of the filter plate;

s4: when the filter downstream, the top of floating block will contact and extrude the connecting axle, receive extruded connecting axle and will stimulate reset spring, simultaneously through the spacing axial upward motion of the pulling of frame type body, the spacing axle of upward motion will remove the spacing to the third clearance board, when the third clearance board is removed spacingly, the trip plate has moved the horizontality this moment, and the upper surface of separation plate and the lower surface of third clearance board are tangent, the third clearance board will pop out and clear up the upset board surface that is located the second rectangular hole under clearance spring's effect, clear up after accomplishing reset can, and reopen first outlet pipe, close the second outlet pipe.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention arranges the filter plate, the separating plate, the filter device and the cleaning device, when the filter holes are blocked, the filter plate and the separating plate can be automatically separated, the separating plate can be gradually staggered with the filter plate, so that the first rectangular hole and the second rectangular hole can be staggered, the impurities blocked between the two rectangular holes can be deformed along with the dislocation of the two rectangular holes, so that the impurities blocked in the rectangular holes can be loosened and gradually fall off, most of the impurities blocked in the rectangular holes can fall off, in the process of upwards overturning the overturning plate, the side surface of the overturning plate can carry out one-time scraping treatment on the impurities which do not fall off on the side surfaces of the first rectangular hole and the second rectangular hole, all the scraped impurities can fall onto the overturning plate, and the impurities can be cleaned to the gap between the filter plate and the separating plate and mixed with water to fall to the bottom through the subsequent cleaning of the first cleaning plate and the second cleaning plate, the third clearance board can be to being located the downthehole upset board surface of second rectangle and clear up, debris under the clearance will be along the gap landing bottom between filter and the separator, the jam problem of filtration pore is filtered in the rapid processing has been realized through the above-mentioned process, and need not to stop the filtration processing process of whole sewage, the efficiency of work has been guaranteed, when having avoided blocking up when filtering the mesh, the water level that appears filtering mesh upper portion easily risees, cause the potential safety hazard to the operation of equipment, when clearing up the mesh, only can stop the filtration processing of sewage, the manual work is cleared up the mesh that blocks up, because it is less to filter the mesh, it wastes time and energy to clear up, sewage treatment's work efficiency is difficult to the problem of guaranteeing.

2. According to the invention, through arranging the cleaning roller, the brush and other structures, the rotating wheel drives the cleaning roller to rotate through the seventh shaft, the brush on the surface of the cleaning roller cleans the surface of the filter plate, meanwhile, the second special-shaped block on the driving wheel extrudes the first special-shaped block when contacting with the first special-shaped block, the first special-shaped block drives the cleaning roller to extrude the extrusion spring, and when the second special-shaped block does not contact with the first special-shaped block, the cleaning roller resets under the action of the extrusion spring, so that the cleaning roller can transversely and repeatedly scrape in the rolling process, the cleaning of adhered impurities on the surface of the filter plate is increased, and the cleaning effect is greatly improved.

Drawings

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

FIG. 1 is a first perspective view of the general structure of the present invention, partially cut away;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial enlarged view of the portion B in FIG. 1;

FIG. 4 is a first perspective view of the present invention with the water inlet pipe, the first water outlet pipe, the second water outlet pipe, and other structures removed and partially cut away;

FIG. 5 is a partial enlarged view of the portion C in FIG. 4

FIG. 6 is a first perspective view of the present invention with the water inlet pipe, the first water outlet pipe, the second water outlet pipe, the frame body, the limiting shaft and other structures removed and partially cut away;

FIG. 7 is an enlarged view of a portion of FIG. 6 at D;

FIG. 8 is an enlarged view of a portion of FIG. 7 at E;

FIG. 9 is a perspective view of the present invention with the treatment housing, the water inlet pipe, the first water outlet pipe, the second water outlet pipe, and the sliding housing removed;

FIG. 10 is an enlarged view of a portion of FIG. 9 at F;

FIG. 11 is a perspective view showing the connection among the separating plate, the turnover shaft, the turnover plate and other structures of the present invention;

FIG. 12 is a perspective view showing the connection between the cleaning roll and the receiving plate;

FIG. 13 is an enlarged view of a portion of FIG. 12 at G;

FIG. 14 is a flow chart of a processing method of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a processing shell 1, a water inlet pipe 2, a first water outlet pipe 3, a second water outlet pipe 4, a valve 5, a first step surface 6, a second step surface 7, a filter plate 8, a first rectangular hole 9, a separating plate 10, a second rectangular hole 11, a first shaft 12, a supporting plate 13, a first spring 14, a second shaft 15, a second spring 16, a first plate 17, a first roller 18, a second plate 19, a second roller 20, a third plate 21, a third spring 22, an L-shaped plate 23, a first rope 24, a floating block 25, a fourth plate 26, a first cleaning plate 27, a second cleaning plate 28, a first sliding block 29, a first sliding groove 30, a third shaft 31, a fourth shaft 32, a first supporting block 33, a first supporting spring 34, a fifth shaft 35, a sixth shaft 36, a second supporting block 37, a second supporting spring 38, a shielding plate 39, a fixing plate 40, a fixing spring 41, a mandril 42, a turnover shaft 43, a turnover plate 44, a turnover shaft 45, a supporting shaft 45, a valve seat, The cleaning device comprises a bearing plate 46, a large top block 47, a small top block 48, a shaft shell 49, a top shaft 50, a bearing spring 51, a connecting shaft 52, a frame-shaped body 53, a return spring 54, a limiting shaft 55, a sliding shell 56, a third cleaning plate 57, a cleaning spring 58, a notch 59, a transverse block 60, a seventh shaft 61, a cleaning roller 62, a brush 63, a first special-shaped block 64, an extrusion spring 65, a rotating wheel 66, a second special-shaped block 67, an eighth shaft 68, a sealing plate 69, a torsion spring 70 and an inclined plane 71.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-14, the present invention provides a technical solution: an environment-friendly sewage treatment device for municipal water supply and drainage comprises a treatment shell 1, wherein the top of the treatment shell 1 is fixedly connected with a water inlet pipe 2, the bottom of the treatment shell 1 is fixedly connected with a first water outlet pipe 3 and a second water outlet pipe 4, the surfaces of the water inlet pipe 2, the first water outlet pipe 3 and the second water outlet pipe 4 are in threaded connection with a valve 5, the two sides of the inner wall of the treatment shell 1 are respectively provided with a first step surface 6 and a second step surface 7, the side surface of the first step surface 6 is in sliding connection with a filter plate 8, the side surface of the filter plate 8 is provided with a plurality of through first rectangular holes 9, the inner wall of the filter plate 8 is in sliding connection with a separation plate 10, the side surface of the separation plate 10 is provided with a plurality of through second rectangular holes 11, the first rectangular holes 9 and the second rectangular holes 11 jointly form a filter hole, the side surface of the separation plate 10 is in sliding connection with a first shaft 12 which penetrates through the separation plate 10, and the bottom of the first shaft 12 is fixedly connected with a support plate 13, the side surface of the supporting plate 13 is fixedly connected with the filter plate 8, the side surface of the supporting plate 13 is fixedly connected with a first spring 14, the other end of the first spring 14 is fixedly connected with the separating plate 10, a first shaft 12 penetrates through the first spring 14, the bottom of the filter plate 8 is slidably connected with four second shafts 15, the bottom of the filter plate 8 is fixedly connected with four second springs 16, the other end of each second spring 16 is fixedly connected with the inner wall of the bottom of the processing shell 1, the second shafts 15 penetrate through the second springs 16 and are fixedly connected with the inner wall of the bottom of the processing shell 1, the side surface of the processing shell 1 is connected with a limiting device for limiting the movement of the filter plate 8, and the side surface of the processing shell 1 and the top of the filter plate 8 are connected with cleaning devices for cleaning the top of the filter plate 8 and the top of the separating plate 10;

the limiting device comprises two groups of first plates 17, the number of each group is two, the end parts of the first plates 17 are fixedly connected on the inner wall of the treatment shell 1, the two first plates 17 are fixedly connected with a first rotating shaft together, the surface of the first rotating shaft is fixedly connected with a first idler wheel 18, two groups of second plates 19 are fixedly connected on two sides of the treatment shell 1, the number of each group is two, the two second plates 19 are fixedly connected with a second rotating shaft together, the surface of the second rotating shaft is fixedly connected with a second idler wheel 20, two sides of the treatment shell 1 are slidably connected with a third plate 21 penetrating through the treatment shell 1, the side surface of the third plate 21 is fixedly connected with a third spring 22, the other end of the third spring 22 is fixedly connected with an L-shaped plate 23, the L-shaped plate 23 is fixedly connected on the side surface of the treatment shell 1, the side surface of the third plate 21 is fixedly connected with a first rope 24 penetrating through the third spring 22 and bypassing the second idler wheel 20 and the first idler wheel 18, the first rope 24 penetrates through the filter plate 8 and the end part is fixedly connected with a floating block 25, the third plate 21 penetrates through the treatment shell 1, the end part of the third plate is inserted into the side surface of the filter plate 8, the two ends of the top of the filter plate 8 are fixedly connected with fourth plates 26, the second step surface 7 is provided with a first groove, and the fourth plates 26 are connected to the inner wall of the first groove in a sliding manner;

the cleaning device comprises four first cleaning plates 27 distributed in an array and four second cleaning plates 28 distributed in an array, the bottoms of the first cleaning plates 27 and the second cleaning plates 28 are fixedly connected with first sliding blocks 29, the top of the filter plate 8 is provided with two symmetrical first sliding chutes 30, the first sliding blocks 29 are slidably connected on the inner walls of the first sliding chutes 30, the side surface of the left first cleaning plate 27 is fixedly connected with a third shaft 31 and a fourth shaft 32, the third shaft 31 penetrates through the rest first cleaning plates 27 and the end part of the third shaft is fixedly connected with a first supporting block 33, the side surface of the first supporting block 33 is fixedly connected with a first supporting spring 34, the other end of the first supporting spring 34 is fixedly connected on the inner wall of the processing shell 1, the side surface of the right second cleaning plate 28 is fixedly connected with a fifth shaft 35 and a sixth shaft 36, the fifth shaft 35 penetrates through the rest second cleaning plates 28 and the end part of the second supporting block 37 is fixedly connected with a second supporting spring 38, the side surface of the second supporting block 37 is fixedly connected with a second supporting spring 38, second supporting spring 38 other end fixed connection is on handling the inner wall of shell 1, the equal fixedly connected with shielding plate 39 in filter 8 both ends bottom, handle the equal fixedly connected with fixed plate 40 of shell 1 both sides face, fixed plate 40 side fixedly connected with fixed spring 41, fixed spring 41 other end fixedly connected with ejector pin 42, ejector pin 42 runs through and handles shell 1 and tip and shielding plate 39 and contact, the equal symmetrical fixedly connected with trip shaft 43 of first

rectangular hole

9 and 11 inner walls of second rectangular hole, trip shaft 43 rotates on the surface and is connected with trip plate 44, handle the four group's back shaft 45 of shell 1 inner wall bottom fixedly connected with, every group number is two. The two support shafts 45 are fixedly connected with a bearing plate 46 together, the top of the bearing plate 46 is fixedly connected with a plurality of large jacking blocks 47 and small jacking blocks 48, the top of the bearing plate 46 is fixedly connected with a shaft shell 49, the inner wall of the shaft shell 49 is connected with a jacking shaft 50 in a sliding manner, the bottom of the jacking shaft 50 and the bottom of the shaft shell 49 are fixedly connected with bearing springs 51 together, the top of the processing shell 1 is connected with two connecting shafts 52 penetrating through the processing shell 1 in a sliding manner, the two connecting shafts 52 are fixedly connected with a frame-shaped body 53 together, the frame-shaped body 53 and the processing shell 1 are fixedly connected with a return spring 54 sleeved on the surface of the connecting shaft 52 together, two sides of the frame-shaped body 53 are fixedly connected with four limiting shafts 55, two side surfaces of the processing shell 1 are fixedly connected with four sliding shells 56, the inner wall of the sliding shell 56 is connected with a third cleaning plate 57 in a sliding manner, the side surfaces of the third cleaning plate 57 and the sliding shells 56 are fixedly connected with cleaning springs 58 together, and the inner walls of two sides of the processing shell 1 are provided with four notches 59, the third cleaning plate 57 is connected to the inner wall of the notch 59 in a sliding manner, and the end part of the limiting shaft 55 is inserted into the side surface of the third cleaning plate 57;

when the sewage treatment device works, when sewage is filtered in the prior art, when the filtering meshes are blocked, the water level at the upper parts of the filtering meshes is easy to rise, so that potential safety hazards are caused to the operation of equipment, when the meshes are cleaned, the filtering treatment of the sewage can only be stopped, the blocked meshes are cleaned manually, because the filtering meshes are smaller, the cleaning is time-consuming and labor-consuming, and the working efficiency of the sewage treatment is difficult to guarantee, the technical scheme solves the problems by arranging the filtering plate 8, the separating plate 10, the filtering device and the cleaning device, when the sewage treatment is carried out, the water outlet speed of the first water outlet pipe 3 is found to be slow, the blockage occurs in the filtering holes, at the moment, the first water outlet pipe 3 is closed, the second water outlet pipe 4 is opened for the blockage treatment, because the blockage causes the filtering speed to be slow, the water level at the top of the filtering plate 8 is continuously raised, the floating block 25 is driven by the action of buoyancy to move upwards, the rope pulls the third plate 21 to gradually release the limit on the filter plate 8, the filter plate 8 with the limit removed moves downwards under the action of the second spring 16 and self gravity, the filter plate 8 moving downwards synchronously drives the separating plate 10 to move downwards and gradually contact with the top shaft 50, under the action of the top shaft 50, the separating plate 10 gradually misplaces with the filter plate 8, so that the first rectangular hole 9 and the second rectangular hole 11 form dislocation, the sundries blocked between the two rectangular holes deform along with the dislocation of the two rectangular holes, further loosen and gradually fall off, most of the sundries blocked in the rectangular holes fall off, and along with the downward movement of the filter plate 8 and the separating plate 10, the large top block 47 and the small top block 48 respectively contact the side face of the turnover plate 44 in the second rectangular hole 11 and the side face of the turnover plate 44 in the first rectangular hole 9 and gradually lift up the turnover plate 44, in the process of turning over the turnover plate 44 upwards, the side surface of the turnover plate 44 scrapes sundries which do not fall off from the side surfaces of the first rectangular hole 9 and the second rectangular hole 11 once, the scraped sundries all fall onto the turnover plate 44, when the turnover plate 44 moves to a horizontal state, the filter plate 8 and the separating plate 10 do not move downwards, the top of the filter plate 8 is located below the ejector rod 42, because the ejector rod 42 is not shielded by the shielding plate 39, the ejector rod 42 is ejected under the action of the fixed spring 41 and contacts and extrudes the fourth shaft 32 and the sixth shaft 36, the extruded fourth shaft 32 and sixth shaft 36 drive the first cleaning plate 27 and the second cleaning plate 28 to slide along the surface of the filter plate 8, the sliding first cleaning plate 27 and the sliding second cleaning plate 28 clean the sundries which adhere to the surface of the filter plate 8 and the surface of the turnover plate 44 located in the first rectangular hole 9, the cleaned sundries will slide down to the bottom along the gap between the filter plate 8 and the separating plate 10 and mixed with water flow, while the filter plate 8 moves downwards, the top of the floating block 25 will contact and press the connecting shaft 52, the pressed connecting shaft 52 will pull the return spring 54, meanwhile, the limit shaft 55 is pulled upwards through the frame body 53, the limit shaft 55 moving upwards will release the limit to the third cleaning plate 57, when the third cleaning plate 57 releases the limit, the turning plate 44 has moved horizontally, and the upper surface of the separating plate 10 is tangent to the lower surface of the third cleaning plate 57, the third cleaning plate 57 will pop up under the action of the cleaning spring 58 and clean the surface of the turning plate 44 located in the second rectangular hole 11, the cleaned sundries will slide down to the bottom along the gap between the filter plate 8 and the separating plate 10, because of the water still existing at the top of the filter plate 8, therefore, the cleaning is rapid, and the sundries adhered on the turnover plate 44 can be cleaned conveniently, and flows away along the water flow, the cleaning is completed, the resetting is carried out, the first water outlet pipe 3 is opened again, the second water outlet pipe 4 is closed, the filtered sewage flows out through the first water outlet pipe 3, the process realizes the rapid treatment of the blockage problem of the filter holes, does not need to stop the whole sewage filtering treatment process, ensures the working efficiency, avoids the water level at the upper part of the filter mesh from rising easily when the filter mesh is blocked, the potential safety hazard is caused to the operation of the equipment, when the mesh is cleaned, the filtration treatment of the sewage can only be stopped, the blocked mesh is cleaned manually, because the filter mesh is smaller, the cleaning is time-consuming and labor-consuming, and the working efficiency of sewage treatment is difficult to ensure.

As a further scheme of the invention, the first cleaning plate 27 and the second cleaning plate 28 are fixedly connected with two transverse blocks 60 at the side surfaces, the two transverse blocks 60 are fixedly connected with a seventh shaft 61 together, the surface of the seventh shaft 61 is rotatably connected with a cleaning roller 62, the surface of the cleaning roller 62 is fixedly connected with a brush 63, one end of the cleaning roller 62 is fixedly connected with two symmetrical first special-shaped blocks 64, the other end of the cleaning roller 62 and the transverse block 60 are fixedly connected with an extrusion spring 65 sleeved on the surface of the seventh shaft 61 together, the surface of the seventh shaft 61 is fixedly connected with a rotating wheel 66, and the side surface of the rotating wheel 66 is fixedly connected with two symmetrical second special-shaped blocks 67; in order to ensure that the surface of the filter plate 8 is cleaned and firm adhesion is not left, the cleaning roller 62 and the brush 63 are arranged, when the first cleaning plate 27 and the second cleaning plate 28 slide along the surface of the filter plate 8, the rotating wheel 66 is synchronously driven to rotate by the scheme, the rotating wheel 66 drives the cleaning roller 62 to rotate through the seventh shaft 61, the brush 63 on the surface of the cleaning roller 62 cleans the surface of the filter plate 8, meanwhile, the second special-shaped block 67 on the rotating wheel 66 extrudes the first special-shaped block 64 when contacting with the first special-shaped block 64, the first special-shaped block 64 drives the cleaning roller 62 to extrude the extrusion spring 65, when the second special-shaped block 67 is not contacting with the first special-shaped block 64, the cleaning roller 62 resets under the action of the extrusion spring 65, thereby realizing the transverse scraping of the cleaning roller 62 in the rolling process, thereby increasing the cleaning of the adhesion sundries on the surface of the filter plate 8 and greatly improving the cleaning effect.

As a further scheme of the invention, an eighth shaft 68 is fixedly connected to the inner wall of the notch 59, a sealing plate 69 is rotatably connected to the surface of the eighth shaft 68, torsion springs 70 are fixedly connected to both side surfaces of the sealing plate 69, the torsion springs 70 are sleeved on the surface of the eighth shaft 68, and the end parts of the torsion springs are fixedly connected to the inner wall of the notch 59; the during operation, in order to guarantee not blocking up the leakproofness of handling during operation notch 59, through setting up closing plate 69 and torsional spring 70, when not blocking up the during operation of handling, under the drive of torsional spring 70, closing plate 69 will closely laminate with the inner wall of notch 59, guarantee its leakproofness, when blocking up the processing, third cleaning plate 57 will directly back up closing plate 69 and carry out work, under the sealed circumstances of assurance, can not influence the work of third cleaning plate 57.

As a further scheme of the invention, the large top block 47 and the small top block 48 are both provided with an inclined plane 71; during operation, the inclined plane 71 is arranged, so that the large jacking block 47 and the small jacking block 48 can jack up the turnover plate 44 quickly and accurately.

s1: when sewage treatment is carried out, the water outlet speed of the first water outlet pipe 3 is found to be slow, the filter holes are blocked, the first water outlet pipe 3 is closed, and the second water outlet pipe 4 is opened for blocking treatment;

s2: the filtering speed is slowed down due to blockage, the floating block 25 is driven by the action of buoyancy to drive the rope to move upwards along with the continuous rising of the water level at the top of the filter plate 8, the rope pulls the third plate 21 to gradually remove the limit of the filter plate 8, the filter plate 8 with the limit removed moves downwards under the action of the second spring 16 and self gravity, the filter plate 8 moving downwards synchronously drives the separating plate 10 to move downwards and gradually contact with the ejector rod 42, the separating plate 10 is gradually staggered with the filter plate 8 under the action of the ejector rod 42, further the first rectangular hole 9 and the second rectangular hole 11 are staggered, and the blocked impurities between the two rectangular holes deform along with the dislocation of the two rectangular holes, further loosen and gradually fall off;

s3: along with the downward movement of the filter plate 8 and the separation plate 10, the large top block 47 and the small top block 48 respectively contact the side surface of the turnover plate 44 in the second rectangular hole 11 and the side surface of the turnover plate 44 in the first rectangular hole 9 and gradually lift up the turnover plate 44, when the turnover plate 44 moves to a horizontal state, the filter plate 8 and the separation plate 10 do not move downward, the top of the filter plate 8 is located below the ejector rod 42, because the ejector rod 42 is not shielded by the shielding plate 39, the ejector rod 42 is ejected under the action of the fixed spring 41 and contacts and presses the fourth shaft 32 and the sixth shaft 36, and the pressed fourth shaft 32 and sixth shaft 36 drive the first cleaning plate 27 and the second cleaning plate 28 to slide along the surface of the filter plate 8;

s4: when the filter plate 8 moves downwards, the top of the floating block 25 contacts and extrudes the connecting shaft 52, the connecting shaft 52 which is extruded pulls the reset spring 54, the limiting shaft 55 which is pulled by the frame body 53 moves upwards, the limiting shaft 55 which moves upwards releases the limitation of the third cleaning plate 57, when the third cleaning plate 57 releases the limitation, the turnover plate 44 moves horizontally, the upper surface of the separating plate 10 is tangent to the lower surface of the third cleaning plate 57, the third cleaning plate 57 pops up under the action of the cleaning spring 58 and cleans the surface of the turnover plate 44 in the second rectangular hole 11, the cleaning is completed and the water is reset, the first water outlet pipe 3 is opened again, and the second water outlet pipe 4 is closed.

The working principle is as follows: when sewage treatment is carried out, the water outlet speed of the first water outlet pipe 3 is found to be slow, the filter holes are blocked at the moment, the first water outlet pipe 3 is closed, the second water outlet pipe 4 is opened for blocking treatment, the filtering speed is slow due to blocking, the floating block 25 is driven by the action of buoyancy to drive the rope to move upwards along with the continuous rising of the water level at the top of the filter plate 8, the rope pulls the third plate 21 to gradually relieve the limit on the filter plate 8, the filter plate 8 relieving the limit moves downwards under the action of the second spring 16 and the self gravity, the filter plate 8 moving downwards synchronously drives the separating plate 10 to move downwards and gradually contact with the top shaft 50, the separating plate 10 is gradually staggered with the filter plate 8 under the action of the top shaft 50, further the first rectangular hole 9 and the second rectangular hole 11 are staggered, and the blocked sundries between the two rectangular holes are deformed along with the dislocation of the two rectangular holes, and then becomes loose and gradually falls off, so that most of the sundries blocked in the rectangular holes fall off, along with the downward movement of the filter plate 8 and the separating plate 10, the large top block 47 and the small top block 48 respectively contact the side surface of the turnover plate 44 in the second rectangular hole 11 and the side surface of the turnover plate 44 in the first rectangular hole 9 and gradually lift up the turnover plate 44, during the upward turnover of the turnover plate 44, the side surface of the turnover plate 44 performs one-time scraping treatment on the sundries which do not fall off on the side surfaces of the first rectangular hole 9 and the second rectangular hole 11, the scraped sundries all fall onto the turnover plate 44, when the turnover plate 44 moves to the horizontal state, the filter plate 8 and the separating plate 10 do not move downward, at the moment, the top of the filter plate 8 is located below the ejector rod 42, because the ejector rod 42 is not shielded by the shielding plate 39, the ejector rod 42 will pop up under the action of the fixed spring 41 and contact with and press the fourth shaft 32 and the sixth shaft 36, the extruded fourth shaft 32 and the extruded sixth shaft 36 will drive the first cleaning plate 27 and the second cleaning plate 28 to slide along the surface of the filter plate 8, the sliding first cleaning plate 27 and the second cleaning plate 28 will clean the sundries adhered to the surface of the filter plate 8 and the surface of the turnover plate 44 located in the first rectangular hole 9, the cleaned sundries will slide to the bottom along the gap between the filter plate 8 and the separating plate 10 and mixed with the water flow, while the filter plate 8 moves downwards, the top of the floating block 25 will contact and extrude the connecting shaft 52, the extruded connecting shaft 52 will pull the return spring 54, and at the same time, the limiting shaft 55 will be pulled upwards by the frame body 53, the limiting shaft 55 moving upwards will release the limit of the third cleaning plate 57, when the third cleaning plate 57 releases the limit, the turnover plate 44 will have moved horizontally, and the upper surface of the separating plate 10 and the lower surface of the third cleaning plate 57 are tangent, the third cleaning plate 57 is popped up under the action of the cleaning spring 58 and cleans the surface of the turnover plate 44 in the second rectangular hole 11, the cleaned sundries slide to the bottom along the gap between the filter plate 8 and the separating plate 10, because water is still present at the top of the filter plate 8 at the moment, the cleaning is quicker, the sundries adhered on the turnover plate 44 can be cleaned more conveniently and flow away along the water flow, the filter plate can reset after being cleaned, the first water outlet pipe 3 is reopened, the second water outlet pipe 4 is closed, the filtered sewage flows out through the first water outlet pipe 3, the blockage problem of the filtering holes is quickly treated through the above process, the whole filtering treatment process of the sewage does not need to be stopped, the working efficiency is ensured, and the water level at the upper part of the filtering meshes is prevented from rising easily when the filtering meshes are blocked, the operation to equipment causes the potential safety hazard, when clearing up the mesh, can only stop the filtration treatment of sewage, and the manual work is cleared up the mesh that blocks up, because it is less to filter the mesh, clears up to waste time and energy, and sewage treatment's work efficiency is difficult to the problem of guaranteeing.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an environment-friendly municipal administration is sewage treatment plant for water supply and drainage, is including handling shell (1), its characterized in that: the water treatment device is characterized in that the top of the treatment shell (1) is fixedly connected with a water inlet pipe (2), the bottom of the treatment shell (1) is fixedly connected with a first water outlet pipe (3) and a second water outlet pipe (4), the surfaces of the water inlet pipe (2), the first water outlet pipe (3) and the second water outlet pipe (4) are in threaded connection with a valve (5), the two sides of the inner wall of the treatment shell (1) are respectively provided with a first step surface (6) and a second step surface (7), the side surface of the first step surface (6) is in sliding connection with a filter plate (8), the side surface of the filter plate (8) is provided with a plurality of through first rectangular holes (9), the inner wall of the filter plate (8) is in sliding connection with a separation plate (10), the side surface of the separation plate (10) is provided with a plurality of through second rectangular holes (11), and the first rectangular holes (9) and the second rectangular holes (11) form a filter hole together, the separation plate (10) is connected with a first shaft (12) penetrating through the separation plate (10) in a sliding manner on the side surface, a support plate (13) is fixedly connected to the bottom of the first shaft (12), the side surface of the support plate (13) is fixedly connected with a filter plate (8), a first spring (14) is fixedly connected to the side surface of the support plate (13), the other end of the first spring (14) is fixedly connected with the separation plate (10), the first shaft (12) penetrates through the first spring (14), the bottom of the filter plate (8) is connected with four second shafts (15) in a sliding manner, the bottom of the filter plate (8) is fixedly connected with four second springs (16), the other end of each second spring (16) is fixedly connected to the inner wall of the bottom of the treatment shell (1), each second shaft (15) penetrates through each second spring (16) and the end part of each second shaft is fixedly connected to the inner wall of the bottom of the treatment shell (1), and the side surface of the treatment shell (1) is connected with a limiting device for limiting the movement of the filter plate (8), the side surface of the processing shell (1) and the top of the filter plate (8) are connected with a cleaning device for cleaning the top of the filter plate (8) and the top of the separation plate (10).

2. The environment-friendly sewage treatment device for municipal water supply and drainage according to claim 1, wherein: the limiting device comprises two groups of first plates (17), wherein the number of each group is two, the end parts of the first plates (17) are fixedly connected to the inner wall of the processing shell (1), the two first plates (17) are fixedly connected with a first rotating shaft together, the surface of the first rotating shaft is fixedly connected with a first roller (18), the two sides of the processing shell (1) are fixedly connected with two groups of second plates (19), the number of each group is two, the two second plates (19) are fixedly connected with a second rotating shaft together, the surface of the second rotating shaft is fixedly connected with a second roller (20), the two sides of the processing shell (1) are slidably connected with third plates (21) penetrating through the processing shell (1), the side surfaces of the third plates (21) are fixedly connected with third springs (22), the other ends of the third springs (22) are fixedly connected with L-shaped plates (23), and the L-shaped plates (23) are fixedly connected to the side surfaces of the processing shell (1), third board (21) side fixedly connected with passes third spring (22) and walks around first rope (24) of second gyro wheel (20) and first gyro wheel (18), first rope (24) run through filter (8) and tip fixedly connected with floating block (25), third board (21) run through handle shell (1) and the side of tip grafting at filter (8), equal fixedly connected with fourth board (26) in filter (8) top both ends, first groove has been seted up in second step face (7), fourth board (26) sliding connection is on the inner wall in first groove.

3. The environment-friendly sewage treatment device for municipal water supply and drainage as claimed in claim 1, wherein: the cleaning device comprises four first cleaning plates (27) distributed in an array manner and four second cleaning plates (28) distributed in an array manner, wherein the bottoms of the first cleaning plates (27) and the second cleaning plates (28) are fixedly connected with first sliding blocks (29), two symmetrical first sliding grooves (30) are formed in the top of the filter plate (8), the first sliding blocks (29) are connected to the inner wall of the first sliding grooves (30) in a sliding manner, the left side of the first cleaning plates (27) is fixedly connected with third shafts (31) and fourth shafts (32) on the side faces, the third shafts (31) penetrate through the rest first cleaning plates (27) and are fixedly connected with first supporting blocks (33) at the end parts, the side faces of the first supporting blocks (33) are fixedly connected with first supporting springs (34), the other ends of the first supporting springs (34) are fixedly connected to the inner wall of the processing shell (1), the side faces of the second cleaning plates (28) are fixedly connected with fifth shafts (35) and sixth shafts (36) on the right side faces, the fifth shaft (35) penetrates through the rest second cleaning plate (28), the end part of the fifth shaft is fixedly connected with a second supporting block (37), the side surface of the second supporting block (37) is fixedly connected with a second supporting spring (38), the other end of the second supporting spring (38) is fixedly connected to the inner wall of the treatment shell (1), the bottoms of the two ends of the filter plate (8) are fixedly connected with baffle plates (39), the two side surfaces of the treatment shell (1) are fixedly connected with fixing plates (40), the side surface of the fixing plate (40) is fixedly connected with a fixing spring (41), the other end of the fixing spring (41) is fixedly connected with a top rod (42), the top rod (42) penetrates through the treatment shell (1), the end part of the top rod is contacted with the baffle plates (39), the inner walls of the first rectangular hole (9) and the second rectangular hole (11) are symmetrically and fixedly connected with a turnover shaft (43), and the surface of the turnover shaft (43) is rotatably connected with a turnover plate (44), the bottom of the inner wall of the treatment shell (1) is fixedly connected with four groups of support shafts (45), and each group is provided with two support shafts; two the common fixedly connected with of back shaft (45) accepts board (46), accept board (46) top fixedly connected with a plurality of big kicking blocks (47) and little kicking block (48), accept board (46) top fixedly connected with axle housing (49), axle housing (49) inner wall sliding connection has a kicking shaft (50), kicking shaft (50) bottom and axle housing (49) bottom common fixedly connected with accept spring (51), handle shell (1) top sliding connection has two connecting axles (52) that run through and handle shell (1), two the common fixedly connected with frame type body (53) of connecting axle (52), frame type body (53) and handle shell (1) common fixedly connected with cup joint reset spring (54) on connecting axle (52) surface, frame type body (53) both sides all fixedly connected with four spacing axle (55), handle shell (1) both sides all fixedly connected with four sliding shell (56), the inner wall of the sliding shell (56) is connected with a third cleaning plate (57) in a sliding mode, the side face of the third cleaning plate (57) is fixedly connected with a cleaning spring (58) together with the sliding shell (56), four notches (59) are formed in the inner walls of the two sides of the processing shell (1), the third cleaning plate (57) is connected to the inner walls of the notches (59) in a sliding mode, and the end portion of the limiting shaft (55) is connected to the side face of the third cleaning plate (57) in a inserting mode.

4. The environment-friendly sewage treatment device for municipal water supply and drainage according to claim 3, wherein: first clearance board (27) and second clearance board (28) side equal face fixedly connected with two horizontal pieces (60), two horizontal piece (60) common fixedly connected with seventh axle (61), seventh axle (61) surface rotation is connected with cleaning roller (62), cleaning roller (62) fixed surface is connected with brush (63), cleaning roller (62) one end fixedly connected with two symmetrical first special-shaped pieces (64), cleaning roller (62) other end and horizontal piece (60) common fixedly connected with cup joint extrusion spring (65) on seventh axle (61) surface, seventh axle (61) fixed surface is connected with runner (66), runner (66) side fixedly connected with two symmetrical second special-shaped pieces (67).

5. The environment-friendly sewage treatment device for municipal water supply and drainage according to claim 3, wherein: notch (59) inner wall fixedly connected with eighth axle (68), eighth axle (68) surface rotation is connected with closing plate (69), the equal fixedly connected with torsional spring (70) of closing plate (69) both sides face, torsional spring (70) cup joint on the surface of eighth axle (68) and tip fixed connection is on the inner wall of notch (59).

6. The environment-friendly sewage treatment device for municipal water supply and drainage according to claim 5, wherein: the large top block (47) and the small top block (48) are both provided with inclined planes (71).

7. A method for using the environment-friendly sewage treatment plant for municipal water supply and drainage, which is suitable for any one of claims 1 to 6, is characterized in that: the method comprises the following steps:

s1: when sewage treatment is carried out, the water outlet speed of the first water outlet pipe (3) is found to be slow, the filter holes are blocked, the first water outlet pipe (3) is closed, and the second water outlet pipe (4) is opened for blocking treatment;

s2: the filtering speed is slowed down due to blockage, the floating block (25) drives the rope to move upwards under the action of buoyancy along with the continuous rising of the water level at the top of the filter plate (8), the rope pulls the third plate (21) to gradually remove the limit of the filter plate (8), the filter plate (8) with the limit removed moves downwards under the action of the second spring (16) and self gravity, the filter plate (8) moving downwards synchronously drives the separating plate (10) to move downwards and gradually contact with the ejector rod (42), the separating plate (10) gradually generates dislocation with the filter plate (8) under the action of the ejector rod (42), and further the first rectangular hole (9) and the second rectangular hole (11) form dislocation, and sundries blocked between the two rectangular holes deform along with the dislocation of the two rectangular holes and further become loose and gradually fall off;

s3: along with the downward movement of the filter plate (8) and the separation plate (10), the large top block (47) and the small top block (48) respectively contact the side surface of the turnover plate (44) in the second rectangular hole (11) and the side surface of the turnover plate (44) in the first rectangular hole (9) and gradually jack up the turnover plate (44), when the turnover plate (44) moves to a horizontal state, at this time, the filter plate (8) and the separating plate (10) do not move downwards, at this time, the top of the filter plate (8) is positioned below the ejector rod (42), because the ejector rod (42) is not shielded by the shielding plate (39), the ejector rod (42) is ejected out under the action of the fixed spring (41) and is in contact with and extrudes the fourth shaft (32) and the sixth shaft (36), and the extruded fourth shaft (32) and sixth shaft (36) drive the first cleaning plate (27) and the second cleaning plate (28) to slide along the surface of the filter plate (8);

s4: when filter (8) downstream, the top of floating block (25) will contact and extrude connecting axle (52), receive extruded connecting axle (52) will stimulate reset spring (54), simultaneously through spacing axle (55) upward movement of frame type body (53) pulling, spacing axle (55) of upward movement will remove spacing to third cleaning plate (57), when third cleaning plate (57) are removed spacingly, returning face plate (44) the horizontality of having moved this moment, and the upper surface of separator plate (10) and the lower surface of third cleaning plate (57) are tangent, third cleaning plate (57) will pop out and clear up the returning face plate (44) surface that is located second rectangular hole (11) under the effect of cleaning spring (58), clear up after the completion reset can, and reopen first outlet pipe (3), close second outlet pipe (4).