1. A rain and sewage diversion device for a garbage site is characterized by comprising a box body, a rain water bin, a sewage bin, a water outlet pipeline, a sewage discharge pipeline, a top frame, a diversion structure, a top cover, a water inlet pipeline, a control mechanism, a stirring motor, a stirring shaft and a decontamination part; the rainwater bin and the sewage bin are respectively and fixedly connected with the box body and are respectively positioned in the box body; the water outlet pipeline is fixedly connected and communicated with the rainwater bin and is positioned below the rainwater bin; the sewage discharge pipeline is fixedly connected and communicated with the sewage bin and is positioned below the sewage bin; the top frame is fixedly connected with the box body and is positioned above the box body; the flow distribution structure is rotatably connected with the top frame and is positioned in the top frame; the top cover is fixedly connected with the top frame and is positioned above the top frame; the water inlet pipeline is fixedly connected and communicated with the top cover and is positioned above the top cover; the control mechanism is respectively fixedly connected with the shunting structure and the top cover and is positioned above the top cover; the stirring motor is fixedly connected with the top cover and is positioned above the top cover; one end of the stirring shaft is fixedly connected with the output end of the stirring motor, and the end of the stirring shaft, which is far away from the stirring motor, penetrates through the top cover and is positioned inside the sewage bin; the decontamination part is fixedly connected with the stirring shaft and is positioned at one end of the stirring shaft close to the sewage bin.

2. The rainwater and sewage separating device for the garbage site according to claim 1, wherein the number of the dirt removing parts is plural; the plurality of decontamination parts are respectively and fixedly connected with the stirring shaft and are respectively positioned at one end of the stirring shaft close to the sewage bin.

3. The rainwater and sewage separating device for the garbage site according to claim 2, wherein the dirt removing component comprises a connecting shaft and a dirt removing scraper; one end of the connecting shaft is fixedly connected with the stirring shaft and is positioned at one end of the stirring shaft close to the sewage bin; the decontamination scraper is fixedly connected with the connecting shaft and is positioned at one end, far away from the stirring shaft, of the connecting shaft.

4. The rainwater and sewage separation device for a garbage site according to claim 1, wherein the sewage bin comprises a sewage frame and a bottom cover; the sewage discharge frame body is fixedly connected with the box body and is positioned in the box body; the bottom cover and the sewage discharge frame body are detachably connected and are positioned below the sewage discharge frame body.

5. The distribution device of rain and sewage for a waste dump of claim 4 wherein the sump further comprises a screen; the filter screen with bottom fixed connection, and be located the bottom top.

6. The distribution device of rain and sewage for garbage site as claimed in claim 5, wherein the distribution structure comprises a connecting rod, a distribution plate and a rotating shaft; one end of the connecting rod is fixedly connected with the control mechanism, and one end of the connecting rod, which is far away from the control mechanism, penetrates through the top cover and is positioned inside the top frame; the splitter plate is fixedly connected with the connecting rod and is positioned at one end of the connecting rod, which is positioned in the top frame; the rotating shaft and the top frame are fixedly connected and penetrate through the flow distribution plate and are positioned inside the top frame.

7. The distribution device of rain and sewage for a waste dump of claim 6 wherein the distribution structure further comprises two gaskets; the two sealing gaskets are respectively and fixedly connected with the flow distribution plate and are respectively positioned on two sides of the flow distribution plate.

8. The device of claim 7, wherein the control mechanism comprises an electric push rod and a rain sensor; the electric push rod is fixedly connected with the top cover and is positioned above the top cover, and the output end of the electric push rod is fixedly connected with the connecting rod; the rainfall sensor is electrically connected with the electric push rod and is positioned above the electric push rod.

9. The split stream apparatus of claim 1, further comprising a dust cover; the dustproof outer cover is fixedly connected with the top cover, is positioned above the top cover and wraps the stirring motor.

Background

The rain and sewage flow dividing device is a device for dividing rainwater and sewage, is a drainage system, and is a sewage discharge mode that rainwater and sewage are separated by the rain and sewage flow dividing device, are respectively conveyed by a pipeline and are then discharged or subjected to subsequent treatment. A rain sewage diverging device for refuse dump on the market often can lead to sewage diverging device's sewage discharge passageway inner wall to gather a large amount of mud because the mud of sewage is more when using, long-time the use for efficiency reduces when discharging sewage, and these mud converge and amass into the piece, probably cause the pipeline to block up after it drops.

Disclosure of Invention

The invention aims to provide a rain and sewage diversion device for a garbage site, and aims to solve the problem that a large amount of sludge is accumulated on the inner wall of a sewage discharge channel when the sewage diversion device is used due to more sewage and sludge in the garbage site.

In order to achieve the aim, the invention provides a rain and sewage separating device for a garbage site, which comprises a box body, a rain bin, a sewage bin, a water outlet pipeline, a sewage discharge pipeline, a top frame, a separating structure, a top cover, a water inlet pipeline, a control mechanism, a stirring motor, a stirring shaft and a sewage removing component, wherein the box body is provided with a box body; the rainwater bin and the sewage bin are respectively and fixedly connected with the box body and are respectively positioned in the box body; the water outlet pipeline is fixedly connected and communicated with the rainwater bin and is positioned below the rainwater bin; the sewage discharge pipeline is fixedly connected and communicated with the sewage bin and is positioned below the sewage bin; the top frame is fixedly connected with the box body and is positioned above the box body; the flow distribution structure is rotatably connected with the top frame and is positioned in the top frame; the top cover is fixedly connected with the top frame and is positioned above the top frame; the water inlet pipeline is fixedly connected and communicated with the top cover and is positioned above the top cover; the control mechanism is respectively fixedly connected with the shunting structure and the top cover and is positioned above the top cover; the stirring motor is fixedly connected with the top cover and is positioned above the top cover; one end of the stirring shaft is fixedly connected with the output end of the stirring motor, and the end of the stirring shaft, which is far away from the stirring motor, penetrates through the top cover and is positioned inside the sewage bin; the decontamination part is fixedly connected with the stirring shaft and is positioned at one end of the stirring shaft close to the sewage bin.

Wherein the number of the decontamination part is multiple; the plurality of decontamination parts are respectively and fixedly connected with the stirring shaft and are respectively positioned at one end of the stirring shaft close to the sewage bin.

The decontamination part comprises a connecting shaft and a decontamination scraper; one end of the connecting shaft is fixedly connected with the stirring shaft and is positioned at one end of the stirring shaft close to the sewage bin; the decontamination scraper is fixedly connected with the connecting shaft and is positioned at one end, far away from the stirring shaft, of the connecting shaft.

The sewage bin comprises a sewage discharge frame body and a bottom cover; the sewage discharge frame body is fixedly connected with the box body and is positioned in the box body; the bottom cover and the sewage discharge frame body are detachably connected and are positioned below the sewage discharge frame body.

Wherein, the sewage bin also comprises a filter screen; the filter screen with bottom fixed connection, and be located the bottom top.

The flow distribution structure comprises a connecting rod, a flow distribution plate and a rotating shaft; one end of the connecting rod is fixedly connected with the control mechanism, and one end of the connecting rod, which is far away from the control mechanism, penetrates through the top cover and is positioned inside the top frame; the splitter plate is fixedly connected with the connecting rod and is positioned at one end of the connecting rod, which is positioned in the top frame; the rotating shaft and the top frame are fixedly connected and penetrate through the flow distribution plate and are positioned inside the top frame.

The flow dividing structure also comprises two sealing gaskets; the two sealing gaskets are respectively and fixedly connected with the flow distribution plate and are respectively positioned on two sides of the flow distribution plate.

Wherein the control mechanism comprises an electric push rod and a rainfall sensor; the electric push rod is fixedly connected with the top cover and is positioned above the top cover, and the output end of the electric push rod is fixedly connected with the connecting rod; the rainfall sensor is electrically connected with the electric push rod and is positioned above the electric push rod.

According to the rain and sewage separating device for the garbage site, the top cover is provided with the through hole matched with the connecting rod, so that the connecting rod can slide up and down in the through hole of the top cover; the flow distribution plate is provided with a through hole matched with the rotating shaft, and the rotating shaft penetrates through the through hole of the flow distribution plate, so that the flow distribution plate can rotate around the rotating shaft; the rainfall sensor can sense whether rainfall occurs outside, if the rainfall sensor senses that the rainfall occurs, inflow water of the water inlet pipeline is determined to be rainwater, at the moment, a control system sends an instruction to the electric push rod, the electric push rod pulls the connecting rod upwards, so that the side, close to the connecting rod, of the flow distribution plate rotates upwards with the rotating shaft as the axis until the side is contacted with the top cover, the water inlet pipeline and the pollution discharge frame body can be separated through the flow distribution plate, at the moment, the rainwater flows into the rainwater bin, flows into a rainwater pipe network through the water outlet pipeline communicated with the lower portion of the rainwater bin, and is discharged to a river channel; the sealing gaskets arranged on the two sides of the flow distribution plate can enhance the sealing effect of the flow distribution plate; if the rainfall sensor does not sense the occurrence of rainfall, the inflow water of the water inlet pipeline is determined to be sewage, at the moment, a control system sends an instruction to the electric push rod, so that the electric push rod pushes the connecting rod downwards, the splitter plate is enabled to rotate downwards close to one side of the connecting rod by taking the rotating shaft as an axis until the splitter plate is contacted with the top of the box body, the water inlet pipeline and the rainwater bin can be separated by the splitter plate, at the moment, the sewage flows into the sewage discharge frame body, then is discharged into a sewage pipe network through the sewage discharge pipeline communicated with the lower part of the sewage discharge frame body for collection, and finally is sent to a sewage treatment plant for treatment; the top cover is also provided with a through hole matched with the stirring shaft, so that the stirring shaft can rotate in the through hole of the top cover; the stirring motor is started, the stirring shaft can be rotated, so that the connecting shaft is driven to rotate, the dirt removing scraper can further rotate along the inner wall of the dirt discharging frame body, and the dirt removing scraper can scrape off sludge on the inner wall of the dirt discharging frame body; the dirt removing scrapers are arranged in a plurality of rows, so that the cleaning effect is strong; the bottom cover detachably connected with the sewage discharge frame body is taken down, so that the interior of the sewage discharge frame body can be conveniently cleaned, and the influence on sewage discharge efficiency caused by sludge accumulation is prevented; the filter screen arranged above the bottom cover can prevent the blocked sludge or other foreign matters with larger volume from flowing into the sewage discharge pipeline and prevent the sewage discharge pipeline from being blocked; by the mode, the rainwater and sewage separating device can avoid discharging sewage when in use, so that the sludge is attached to the inner wall of the sewage discharge channel, the sewage discharge efficiency can be improved, and the pipeline can be prevented from being blocked due to falling of the sludge accumulated blocks.

Drawings

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

Fig. 1 is a schematic structural view of a rain and sewage diversion device for a garbage site.

Fig. 2 is a front sectional view of a rain and sewage separating device for a garbage site according to the present invention.

Fig. 3 is a schematic structural view of a rain and sewage separating device for a garbage site, which does not comprise a top frame and a dustproof outer cover.

FIG. 4 is a schematic view of the stirring shaft and the decontaminating member of the present invention.

Fig. 5 is a schematic structural view of the sewage silo of the present invention.

1-box body, 2-rainwater bin, 3-sewage bin, 4-water outlet pipeline, 5-sewage discharge pipeline, 6-top frame, 7-shunt structure, 8-top cover, 9-water inlet pipeline, 10-control mechanism, 11-stirring motor, 12-stirring shaft, 13-sewage removal component, 14-dustproof outer cover, 31-sewage discharge frame body, 32-bottom cover, 33-filter screen, 71-connecting rod, 72-shunt plate, 73-rotating shaft, 74-sealing gasket, 101-electric push rod, 102-rainfall sensor, 131-connecting shaft and 132-sewage removal scraper.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 3, the present invention provides a rain and sewage diversion device for a garbage site: the device comprises a box body 1, a rainwater bin 2, a sewage bin 3, a water outlet pipeline 4, a sewage discharge pipeline 5, a top frame 6, a flow dividing structure 7, a top cover 8, a water inlet pipeline 9, a control mechanism 10, a stirring motor 11, a stirring shaft 12 and a decontamination part 13; the rainwater bin 2 and the sewage bin 3 are respectively and fixedly connected with the box body 1 and are respectively positioned inside the box body 1; the water outlet pipeline 4 is fixedly connected and communicated with the rainwater bin 2 and is positioned below the rainwater bin 2; the sewage discharge pipeline 5 is fixedly connected and communicated with the sewage bin 3 and is positioned below the sewage bin 3; the top frame 6 is fixedly connected with the box body 1 and is positioned above the box body 1; the flow dividing structure 7 is rotatably connected with the top frame 6 and is positioned inside the top frame 6; the top cover 8 is fixedly connected with the top frame 6 and is positioned above the top frame 6; the water inlet pipeline 9 is fixedly connected and communicated with the top cover 8 and is positioned above the top cover 8; the control mechanism 10 is respectively fixedly connected with the shunting structure 7 and the top cover 8 and is positioned above the top cover 8; the stirring motor 11 is fixedly connected with the top cover 8 and is positioned above the top cover 8; one end of the stirring shaft 12 is fixedly connected with the output end of the stirring motor 11, and one end of the stirring shaft 12, which is far away from the stirring motor 11, penetrates through the top cover 8 and is positioned inside the sewage bin 3; the dirt removing component 13 is fixedly connected with the stirring shaft 12 and is positioned at one end, close to the sewage bin 3, of the stirring shaft 12.

In this embodiment, whether rainfall occurs outside can be sensed by the control mechanism 10, if it is sensed that rainfall occurs, it is determined that the inflow water of the water inlet pipe 9 is rainwater, and at this time, the flow dividing structure 7 is controlled to act, so that the water inlet pipe 9 and the sewage bin 3 are separated by the flow dividing structure 7, and at this time, rainwater flows into the rainwater bin 2, and then flows into a rainwater pipe network via the water outlet pipe 4 communicated below the rainwater bin 2, and then is discharged to a river channel; when the control mechanism 10 does not sense rainfall outside, the inflow water of the water inlet pipeline 9 is determined to be sewage, and at the moment, the flow dividing structure 7 is controlled to act, so that the water inlet pipeline 9 and the rainwater bin 2 are separated by the flow dividing structure 7, and at the moment, the sewage flows into the sewage bin 3, is discharged into a sewage pipe network through the sewage discharge pipeline 5 communicated with the lower part of the sewage bin 3 to be collected, and is finally sent to a sewage treatment plant for treatment; the top cover 8 is provided with a through hole matched with the stirring shaft 12, so that the stirring shaft 12 can rotate in the through hole of the top cover 8; the stirring shaft 12 can be rotated by starting the stirring motor 11, so that the dirt removing component 13 can rotate along the inner wall of the sewage bin 3, the dirt on the inner wall of the sewage bin 3 can be scraped off, and the sludge is prevented from being attached to the inner wall of the sewage bin 3; by the mode, the rainwater and sewage separating device can avoid discharging sewage when in use, so that the sludge is attached to the inner wall of the sewage discharge channel, the sewage discharge efficiency can be improved, and the pipeline can be prevented from being blocked due to falling of the sludge accumulated blocks.

Further, referring to fig. 3, the number of the dirt removing members 13 is plural; the plurality of dirt removing components 13 are respectively and fixedly connected with the stirring shaft 12 and are respectively positioned at one end of the stirring shaft 12 close to the sewage bin 3.

In this embodiment, through a plurality of the scrubbing parts 13 that set up, can strengthen right the clearance effect of 3 inner walls in sewage storehouse avoids mud to be in on 3 inner walls in sewage storehouse.

Further, referring to fig. 4, the dirt removing component 13 includes a connecting shaft 131 and a dirt removing blade 132; one end of the connecting shaft 131 is fixedly connected with the stirring shaft 12 and is positioned at one end of the stirring shaft 12 close to the sewage bin 3; the dirt removing scraper 132 is fixedly connected with the connecting shaft 131 and is positioned at one end of the connecting shaft 131 far away from the stirring shaft 12.

In this embodiment, the stirring motor 11 is turned on, so that the stirring shaft 12 can rotate, thereby driving the connecting shaft 131 to rotate, further enabling the dirt removing scraper 132 to rotate along the inner wall of the sewage bin 3, so that the dirt removing scraper can scrape off the sludge on the inner wall of the sewage bin 3.

Further, referring to fig. 5, the sewage bin 3 includes a sewage frame 31 and a bottom cover 32; the blowdown frame body 31 is fixedly connected with the box body 1 and is positioned inside the box body 1; the bottom cover 32 is detachably connected with the sewage frame body 31 and is positioned below the sewage frame body 31.

In this embodiment, the bottom cover 32 detachably connected to the sewage housing 31 is removed, so that the inside of the sewage housing 31 can be easily cleaned, and the influence of sludge or other foreign matters on the sewage efficiency can be prevented.

Further, referring to fig. 5, the sewage bin 3 further includes a filter screen 33; the filter net 33 is fixedly connected with the bottom cover 32 and is positioned above the bottom cover 32.

In this embodiment, the filter net 33 disposed above the bottom cover 32 can prevent the agglomerated sludge or other foreign matters having a large volume from flowing into the sewage pipe 5, thereby preventing the sewage pipe 5 from being clogged.

Further, referring to fig. 3, the flow dividing structure 7 includes a connecting rod 71, a flow dividing plate 72 and a rotating shaft 73; one end of the connecting rod 71 is fixedly connected with the control mechanism 10, and one end of the connecting rod 71, which is far away from the control mechanism 10, penetrates through the top cover 8 and is positioned inside the top frame 6; the flow distribution plate 72 is fixedly connected with the connecting rod 71 and is positioned at one end of the connecting rod 71 in the top frame 6; the rotating shaft 73 is fixedly connected with the top frame 6, penetrates through the flow distribution plate 72, and is located inside the top frame 6.

In the present embodiment, the top cover 8 is provided with a through hole matching with the connecting rod 71, so that the connecting rod 71 can slide up and down in the through hole of the top cover 8; the diversion plate 72 is provided with a through hole matched with the rotating shaft 73, and the rotating shaft 73 penetrates through the through hole of the diversion plate 72, so that the diversion plate 72 can rotate around the rotating shaft 73; whether rainfall occurs outside can be sensed through the control mechanism 10, if rainfall occurs, the inflow water of the water inlet pipeline 9 is determined to be rainwater, at the moment, the connecting rod 71 is pulled upwards, so that the side, close to the connecting rod 71, of the diversion plate 72 rotates upwards by taking the rotating shaft 73 as an axis until the diversion plate contacts with the top cover 8, the water inlet pipeline 9 and the sewage frame body 31 can be separated through the diversion plate 72, at the moment, rainwater flows into the rainwater bin 2, flows into a rainwater pipe network through the water outlet pipeline 4 communicated with the lower portion of the rainwater bin 2, and then is discharged to a river channel; when the control mechanism 10 does not sense rainfall outside, it is determined that the inflow water of the water inlet pipe 9 is sewage, at this time, the connecting rod 71 is pushed downwards, so that the diversion plate 72 is rotated downwards on the rotating shaft 73 near the connecting rod 71 until contacting with the top of the box body 1, the water inlet pipe 9 and the rainwater bin 2 can be separated by the diversion plate 72, at this time, the sewage flows into the sewage discharge frame body 31, and is discharged into a sewage pipe network through the sewage discharge pipe 5 communicated with the lower part of the sewage discharge frame body 31 for collection, and finally is sent to a sewage treatment plant for treatment; by the mode, rainwater and sewage can be shunted.

Further, referring to fig. 3, the flow dividing structure 7 further includes two sealing gaskets 74; the two sealing gaskets 74 are respectively fixedly connected with the diversion plate 72 and respectively located at two sides of the diversion plate 72.

In this embodiment, the sealing effect of the diversion plate 72 can be enhanced by the sealing gaskets 74 provided on both sides of the diversion plate 72, and the leakage of rainwater and sewage can be prevented.

Further, referring to fig. 3, the control mechanism 10 includes an electric push rod 101 and a rain sensor 102; the electric push rod 101 is fixedly connected with the top cover 8 and is positioned above the top cover 8, and the output end of the electric push rod 101 is fixedly connected with the connecting rod 71; the rainfall sensor 102 is electrically connected with the electric push rod 101 and is positioned above the electric push rod 101.

In this embodiment, whether rainfall occurs outside can be sensed by the rainfall sensor 102, if rainfall occurs, it is determined that the inflow water of the water inlet pipe 9 is rainwater, and at this time, a control system sends an instruction to the electric push rod 101, so that the electric push rod 101 pulls the connecting rod 71 to ascend, and the diversion plate 72 separates the water inlet pipe 9 from the sewage bin 3, so that rainwater can flow into the rainwater bin 2; if the rainfall is not sensed, the inflow water of the water inlet pipeline 9 is determined to be sewage, and at this time, a control system sends an instruction to the electric push rod 101, so that the electric push rod 101 pushes the connecting rod 71 to move downwards, and further the flow distribution plate 72 separates the water inlet pipeline 9 from the rainwater bin 2, and the sewage can flow into the sewage bin 3.

Further, referring to fig. 1, the rain and sewage diversion device for the garbage site further includes a dust-proof housing 14; dustproof dustcoat 14 with top cap 8 fixed connection, and be located top cap 8 top, and the parcel agitator motor 11.

In this embodiment, the agitator motor 11 is covered with the dust-proof cover 14, so that the agitator motor 11 can be prevented from being damaged by dust or other foreign matters, and the service life of the agitator motor 11 can be prolonged.

The working principle and the using process of the invention are as follows: after the device is installed, the top cover 8 is provided with a through hole matched with the connecting rod 71, so that the connecting rod 71 can slide up and down in the through hole of the top cover 8; the diversion plate 72 is provided with a through hole matched with the rotating shaft 73, and the rotating shaft 73 penetrates through the through hole of the diversion plate 72, so that the diversion plate 72 can rotate around the rotating shaft 73; whether rainfall occurs outside can be sensed through the rainfall sensor 102, if rainfall occurs, the inflow water of the water inlet pipeline 9 is determined to be rainwater, at the moment, a control system sends an instruction to the electric push rod 101, so that the electric push rod 101 pulls the connecting rod 71 upwards, the diversion plate 72 is enabled to rotate upwards by taking the rotating shaft 73 as an axis close to one side of the connecting rod 71 until the diversion plate contacts with the top cover 8, the water inlet pipeline 9 and the pollution discharge frame body 31 can be separated through the diversion plate 72, at the moment, rainwater flows into the rainwater bin 2 and then flows into a rainwater pipe network through the water outlet pipeline 4 communicated with the lower portion of the rainwater bin 2 to be discharged to a river channel; the sealing effect of the flow dividing plate 72 can be enhanced by the sealing gaskets 74 arranged on both sides of the flow dividing plate 72; if the rainfall sensor 102 does not sense the occurrence of rainfall, the inflow water of the water inlet pipe 9 is determined to be sewage, at this time, a control system sends an instruction to the electric push rod 101, so that the electric push rod 101 pushes the connecting rod 71 downwards, the diversion plate 72 is enabled to rotate downwards on one side close to the connecting rod 71 by taking the rotating shaft 73 as an axis until contacting with the top of the box body 1, the water inlet pipe 9 and the rainwater bin 2 can be separated by the diversion plate 72, at this time, the sewage flows into the sewage discharge frame body 31, is discharged into a sewage pipe network through the sewage discharge pipe 5 communicated with the lower part of the sewage discharge frame body 31 for collection, and is finally sent to a sewage treatment plant for treatment; the top cover 8 is also provided with a through hole matched with the stirring shaft 12, so that the stirring shaft 12 can rotate in the through hole of the top cover 8; the stirring motor 11 is turned on, so that the stirring shaft 12 can rotate, and the connecting shaft 131 is driven to rotate, and further the decontamination scraper 132 can rotate along the inner wall of the sewage discharge frame 31, so that the inner wall of the sewage discharge frame 31 can be scraped off by the decontamination scraper; by providing a plurality of the dirt removing blades 132, a strong cleaning effect can be obtained; the bottom cover 32 detachably connected with the sewage discharge frame body 31 is taken down, so that the inside of the sewage discharge frame body 31 can be conveniently cleaned, and the influence on sewage discharge efficiency caused by sludge accumulation is prevented; the filter screen 33 arranged above the bottom cover 32 can prevent the blocked sludge or other large-volume foreign matters from flowing into the sewage pipeline 5, and the sewage pipeline 5 is prevented from being blocked; by wrapping the stirring motor 11 with the dustproof housing 14, dust or other foreign matters can be prevented from damaging the stirring motor 11, and the service life of the stirring motor 11 can be prolonged; by the mode, the rainwater and sewage separating device can avoid discharging sewage when in use, so that the sludge is attached to the inner wall of the sewage discharge channel, the sewage discharge efficiency can be improved, and the pipeline can be prevented from being blocked due to falling of the sludge accumulated blocks.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.