CN114855965B - Digital pipe network and pump station management and control system - Google Patents

Abstract

The invention belongs to the technical field of drainage engineering, and particularly relates to a digital pipe network and pump station management and control system, which comprises: a drainage pipe network; the sewage intercepting well is used for shunting rainwater and sewage; the first lifting pump station is used for collecting rainwater discharged from the rainwater discharge port and directly discharging the rainwater to a river channel; the second lifting pump station is used for collecting the sewage and the initial rainwater discharged from the sewage discharge port and conveying the sewage and the initial rainwater to a sewage station; a rainfall monitoring device; a water quality monitoring device; a water level monitoring device; a water flow rate monitoring device; and the control unit controls the opening and closing states of the rainwater drainage port and the sewage drainage port according to the received information. The system can discharge sewage to the first lifting pump station in fine days, and after lifting, the sewage can be directly discharged to the sewage station; when rainy season, can promote the pump station with middle and later stage rainwater to the second to promote the back, directly arrange the less rainwater of pollutant to the river course, thereby alleviate the work burden of sewage station.

Description

Digital pipe network and pump station management and control system

Technical Field

The invention belongs to the technical field of drainage engineering, and particularly relates to a digital pipe network and pump station management and control system.

Background

At present, the construction of smart cities is hot in China, smart water service construction, which is one of the core contents of smart city construction, particularly smart water supply business, is increasingly emphasized by governments, industry governing departments and water supply enterprises, and traditional urban drainage enterprise business is gradually replaced by new smart water service business and new forms, and gradually develops from the deep application of first-level and second-level cities such as Shanghai and Tianjin in China to the expansion and popularization of three-line and four-line cities. The intelligent drainage is an important link of intelligent water affairs, relates to the construction and management of basic settings of relevant links such as sewage discharge, collection and disposal and an information platform, and achieves the aims of improving the management efficiency and service efficiency of drainage enterprises and realizing the management goals of energy conservation, consumption reduction, efficiency improvement and quality improvement by excavating, integrating and utilizing water affair information resources.

A sewage pipe network and pump station sewage discharge pipe control system is a complex system, and not only has the characteristics of uncertainty, nonlinearity and hysteresis of flow, but also is a high-energy consumption system. Along with the expansion and function change of cities, the restriction factors of the expansion of the old drainage system are numerous, so that the improvement of the conveying efficiency of a sewage pipe network is urgently needed.

The practical problems are more outstanding, the regional gravity flow collection cross-region of the sewage pipe network is lifted to the sewage treatment plant by the sewage pump station in a multi-stage mode, the problems of high water level of the regional sewage pipe network, insufficient water inflow of the sewage treatment plant in sunny days, excessive water inflow in rainy days, too low water inflow concentration and the like often occur, and the problems need to be improved if the invention is disclosed in the patent publication No. CN 105926755A.

Disclosure of Invention

The invention aims to solve the technical problems, and provides a pump station management and control system which can improve the management and control of urban rainwater and sewage drainage, directly discharge sewage to a sewage treatment plant in a sunny day and directly discharge rainwater at the middle and later periods to a river channel in a rainy season.

In view of this, the present invention provides a digital pipe network and pump station management and control system, which is characterized in that:

the drainage pipe network consists of a plurality of drainage pipes and is used for collecting and discharging rainwater and sewage in each area of a city;

the sewage intercepting well is arranged at the confluence of the drainage pipelines and is used for shunting rainwater and sewage; the sewage interception well is provided with a water inlet; the rainwater drainage port is used for draining rainwater in the middle and later periods; and a sewage discharge port for discharging sewage and initial rainwater;

the first lifting pump station is arranged at the downstream of the sewage intercepting well, communicated with the rainwater discharge port through a pipeline and used for collecting rainwater discharged from the rainwater discharge port and directly discharging the rainwater to a river channel;

the second lifting pump station is arranged at the downstream of the sewage intercepting well, communicated with the sewage discharge port through a pipeline and used for collecting sewage and initial rainwater discharged from the sewage discharge port and conveying the sewage and the initial rainwater to the sewage station;

the rainfall monitoring device is used for collecting ground rainfall information and sending the information to the control unit;

the water quality monitoring device is arranged in the sewage intercepting well and used for monitoring water quality information in the sewage intercepting well and sending the detected information to the control unit;

the water level monitoring device is arranged in the sewage intercepting well and used for monitoring water level information in the sewage intercepting well and sending the detected information to the control unit;

the water flow rate monitoring device is arranged in the sewage intercepting well, is used for monitoring the water flow rate entering the sewage intercepting well and the water flow rate in the sewage intercepting well, and sends the detected information to the control unit;

and the control unit controls the opening and closing states of the rainwater drainage port and the sewage drainage port according to the received information.

In the above technical solution, further, the sewage intercepting well includes:

the water inlet, the rainwater drainage port and the sewage drainage port are all arranged on the side wall of the well main body, the water inlet is higher than the rainwater drainage port and the sewage drainage port, and the top of the well main body is provided with an access hole and a cover plate arranged on the access hole;

the sewage interception component is arranged in the well main body and is used for intercepting impurities in water flowing in from the water inlet;

the electric butterfly valves are provided with two electric butterfly valves and are respectively arranged on the rainwater discharge port and the sewage discharge port, and the electric butterfly valves are electrically connected with the control unit and are controlled by the control unit.

In any of the above technical solutions, further, the pollutant intercepting component includes:

the filter box is provided with an inlet, the side wall of the filter box is provided with a plurality of filter holes, and the top and the bottom of the filter box are provided with conveying ports which penetrate through the filter box up and down;

the outer wall of each transmission disc is provided with a plurality of transmission shafts which are arranged in a radial mode, the number of the transmission discs is four, two transmission discs are rotatably arranged on the outer side of the upper end of the well main body, the other two transmission discs are rotatably arranged on the inner wall of the lower side of the well main body, the two transmission discs above the transmission discs are provided with rotating shafts, the rotating shafts are provided with first transmission wheels, and the two first transmission wheels are connected through a first transmission belt;

the transmission chains are arranged on the four transmission discs in an end-to-end manner;

the conveying plates are uniformly arranged on the transmission chain along the length direction of the transmission chain, and the transmission chain is meshed with the transmission shaft on the transmission disc through the nodes of the transmission chain and the conveying plates;

the first motor is connected with one rotating shaft through a coupler and used for driving the two transmission disks above the driving position to rotate, the first motor is electrically connected with the control unit, and the control unit turns on or off the first motor according to the received two pieces of water flow rate information;

the transmission chain and the conveying plate on the transmission chain penetrate through the filter box through the conveying port, the sewage intercepting component further comprises a slag discharging channel, the cross section of the slag discharging channel is in a frame shape, the slag discharging channel extends from the conveying port above the filter box to the conveying port below the filter box along the arrangement direction of the transmission chain, the transmission chain and the transmission discs are arranged in the slag discharging channel, and a slag discharging port right opposite to the upper end face of the well main body is further arranged on the slag discharging channel.

In any of the above technical solutions, further, an annular mounting seat is disposed between the lower end of the filter box and the deslagging channel, the mounting seat is fixed on the sidewall of the well body, the deslagging channel is fixedly connected with the lower end of the mounting seat, the filter box is cylindrical and rotatably disposed on the mounting seat, the upper end of the filter box is of an open structure, guide grooves penetrating up and down along an inclined direction are formed in the inner wall of the conveying port below the filter box, the length of each guide groove along the vertical direction is greater than the distance between adjacent conveying plates, the number of the guide grooves is more than two, the guide grooves are uniformly distributed along the circumferential direction, and guide blocks are disposed at the outer edge of each conveying plate;

in the process that the conveying plate below the filter box moves upwards and enters the filter box, at least two conveying plates are fed into the conveying port below the filter box, and the guide blocks on the conveying plates are embedded into the guide grooves and slide in the guide grooves and push the filter box to rotate.

In any of the above technical solutions, further, the dirt intercepting assembly further includes a cleaning brush for brushing the filter box; the cleaning brush includes:

the mounting bracket is arranged on the side wall of the slag discharge channel and is positioned above the filter box;

the first brush is arranged on the mounting bracket along the vertical direction and is abutted against the outer wall of the filter box;

and the second brush is arranged on the mounting bracket along the vertical direction and abuts against the inner wall of the filter box.

In any of the above technical solutions, further, the lower end of the slag discharge channel is located on the bottom of the well main body, and a sludge inlet is formed in one end face of the side edge of the lower end of the slag discharge channel, which is opposite to the rainwater discharge port and the sewage discharge port; the sewage intercepting well also comprises a sludge cleaning assembly for cleaning the sludge precipitated at the bottom of the well main body towards the sludge inlet.

In any of the above technical solutions, further, a cleaning channel is provided at the bottom of the well main body, one end of the cleaning channel extends to the sludge inlet, and the other end extends to the side wall of the well main body in the direction of the rainwater drain port and the sewage drain port; the sludge cleaning assembly comprises:

the sewage pump is arranged in the well main body, the inlet end of the sewage pump is communicated with the cleaning channel through a pipeline, and the outlet end of the sewage pump is communicated with the sludge inlet through a pipeline;

the first installation box is arranged on the inner wall of the well main body;

the second motor is hermetically arranged in the first installation box;

the supporting seat is arranged on the inner wall of the well main body and is right opposite to the first installation box;

the ball screw is horizontally arranged, one end of the ball screw penetrates through the first mounting box and then is connected with an output shaft of the second motor, and the other end of the ball screw is rotatably connected with the supporting seat;

the guide rod is parallel to the ball screw, one end of the guide rod is arranged on the outer wall of the first installation box, and the other end of the guide rod is arranged on the outer wall of the supporting seat.

The sliding seat is arranged on the guide rod in a sliding mode and is fixedly connected with the nut seat on the ball screw;

the scraping plate is arranged on the sliding seat along the vertical direction, the length direction of the scraping plate is vertical to the moving direction of the sliding seat, and the lower end of the scraping plate extends downwards to the bottom of the well main body;

the sewage pump and the second motor are electrically connected with the control unit, and the control unit turns on or off the sewage pump and the second motor according to the received water level information and the two water flow rate information.

In any one of the above technical solutions, the sewage intercepting well further comprises a crushing assembly arranged above the sewage intercepting assembly and used for crushing impurities in the water entering from the water inlet and sending the water and crushed slag into the filter tank.

In any of the above technical solutions, further, in the present technical solution, the crushing assembly includes:

the crushing box is arranged above the filter box and is positioned below the water inlet, the upper end of the crushing box is in an opening shape, the lower end of the crushing box is provided with a funnel-shaped outlet, and the outlet is positioned right above the inlet;

the crushing rollers are arranged in the crushing box in a mutually meshed manner along the horizontal direction, and a rotating shaft of one crushing roller penetrates through the crushing box and extends out of the crushing box;

the second mounting box is arranged on the outer wall of the crushing box, and the extending end of the crushing roller extends into the second mounting box;

the third motor is hermetically arranged in the second mounting box;

the two second driving wheels are respectively arranged on the output end of the third motor and the rotating shaft of the crushing roller in the second mounting box;

the second transmission belts are sleeved on the two second transmission wheels;

the third motor is electrically connected with the control unit, and the control unit controls the on-off of the third motor.

In any of the above technical solutions, further, the control method of the control unit is specifically as follows:

the sunny state: when the rainfall monitoring device does not detect rain, the control unit controls the electric butterfly valve on the sewage discharge port to be opened, and the electric butterfly valve on the rain discharge port to be closed;

the rainy day state: the rainfall monitoring device detects rainwater, and after the detected rainwater amount reaches a preset threshold value and the water quality detected by the water quality monitoring device gradually rises to the preset threshold value, the control unit controls the electric butterfly valve on the sewage discharge port to be closed and the electric butterfly valve on the rainwater discharge port to be opened; otherwise, the control unit controls the electric butterfly valve on the sewage discharge port to be opened and closed, and the electric butterfly valve on the rainwater discharge port is closed.

The beneficial effects of the invention are:

1. under the control of the control unit, in sunny days, sewage can be discharged to the first lifting pump station, and under the lifting action of the first lifting pump station, the sewage can be directly discharged to the sewage station; when rainy season, can promote the pump station with middle and later stage rainwater to the second to under the effect that the second promoted the pump station, directly arrange the less rainwater of pollutant to the river course, thereby alleviate the work burden of sewage station. Because the quality of water of the initial rain is very poor, contains a large amount of pollutants, can not directly discharge to the river course, so under the combined action of rainfall monitoring device and water quality monitoring device, can abandon the class to the initial rain, make it flow to the sewage station, purify through the sewage station.

2. Because contain more big granule impurity in sewage and the rainwater, for example silt, domestic waste, suspended solid etc. for avoid impurity to arrange mouthful and sewage row mouth from the rainwater and discharge, lead to appearing blockking up to and can pollute the river course at the impurity of discharging in arranging the mouth from the rainwater, for this reason, be provided with in the water inlet department of well main part and cut dirty subassembly, under this filtration of cutting dirty subassembly, can effectually filter the granule impurity of sewage and rainwater.

3. Because the filter residue can be attached to on the inside wall of rose box, for the discharge effect of the filter residue in improving the rose box, rotate the rose box for this reason and set up, at rose box pivoted in-process, can make the filter residue flow direction bottom on its inner wall to make things convenient for the delivery board to transport.

4. Because the rose box can only filter the great filter residue of some granule, to tiny filter residue, can flow to the bottom of well main part through the filtration pore, long-time back, well main part bottom can deposit mud gradually, for avoiding mud too much back, lead to the rainwater to arrange the mouth, sewage arranges the mouth and is blockked up, still be provided with the mud clearance subassembly for this, through combining the dirty subassembly of cutting, can effectually outwards discharge the mud of well main part bottom, need not clear up through the manual work again, and is very convenient.

5. Because the water of going into to the rose box from the water inlet has more bulky debris, still is provided with broken subassembly for this reason, comes earlier to carry out the breakage to debris through broken subassembly, not only can avoid the delivery port on the rose box to be blockked up, but also makes things convenient for the delivery board to carry debris outwards.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a block diagram of the control connections of the control unit of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the sewage intercepting well of the present invention;

FIG. 4 is a schematic view showing a connection structure of the slag discharging passage and the filtering tank according to the present invention;

FIG. 5 is a partial structural schematic view of the top of the sewage intercepting well of the present invention;

FIG. 6 is a schematic view showing the internal structure of the bottom of the filtration tank of the present invention;

FIG. 7 is a schematic view of a portion of the drive chain of the present invention;

FIG. 8 is a schematic view showing the construction of the washing brush according to the present invention;

FIG. 9 is a schematic diagram of the internal structure of the sewage intercepting well of the present invention;

fig. 10 is a schematic view of the internal structure of the crushing assembly of the present invention.

The reference numbers in the figures are: 100. a drainage pipe network; 200. a sewage intercepting well; 210. a well body; 211. a water inlet; 212. a rainwater drainage port; 213. a sewage discharge port; 214. a cover plate; 215. cleaning the channel; 220. a sewage interception component; 221. a filter box; 2211. an inlet; 2212. a delivery port; 2213. a guide groove; 222. a transmission disc; 2221. a drive shaft; 2222. a first drive pulley; 2223. a first drive belt; 223. a drive chain; 2231. a chain link; 2232. an overhang; 2233. a slot end; 224. a conveying plate; 2241. a guide block; 2242. accommodating grooves; 2243. a drain hole; 225. a first motor; 226. a slag discharge channel; 2261. a slag discharge port; 2262. a sludge inlet; 2263. a flow guide port; 227. a mounting seat; 228. cleaning brushes; 2281. mounting a bracket; 2282. a first brush; 2283. a second brush; 2284. a spring; 230. an electric butterfly valve; 240. a sludge cleaning component; 241. a sewage pump; 242. a first installation box; 243. a second motor; 244. a supporting seat; 245. a ball screw; 246. a guide rod; 247. a sliding seat; 248. a squeegee; 2481. a via hole; 250. a crushing assembly; 251. a crushing box; 252. a crushing roller; 253. a second mounting box; 254. a third motor; 255. a second transmission wheel; 256. a second drive belt; 300. a first lift pump station; 400. a second lift pump station; 500. a rainfall monitoring device; 600. a water quality monitoring device; 700. a water level monitoring device; 800. a water flow rate monitoring device; 900. a control unit.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be noted that in the description of the present application, the orientation or positional relationship indicated by the terms such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like are generally based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and in the case of not making a reverse description, these orientation terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1 and fig. 2, the present embodiment provides a digital pipe network and pump station management and control system, wherein, includes:

the drainage pipe network 100 consists of a plurality of drainage pipes and is used for collecting and discharging rainwater and sewage in each area of a city;

the sewage intercepting well 200 is arranged at the confluence of drainage pipelines and is used for shunting rainwater and sewage; the catch basin 200 has a water inlet 211; a rainwater outlet 212 for discharging middle and later stage rainwater; and a sewage drain port 213 for discharging sewage and initial rainwater;

the first lifting pump station 300 is arranged at the downstream of the sewage intercepting well 200, is communicated with the rainwater discharge port 212 through a pipeline, and is used for collecting rainwater discharged from the rainwater discharge port 212 and directly discharging the rainwater to a river channel;

the second lift pump station 400 is arranged at the downstream of the sewage intercepting well 200, is communicated with the sewage discharge port 213 through a pipeline, and is used for collecting sewage and initial rainwater discharged from the sewage discharge port 213 and conveying the sewage and the initial rainwater to a sewage station;

the rainfall monitoring device 500 is used for collecting the ground rainfall information and sending the information to the control unit 900;

the water quality monitoring device 600 is arranged in the sewage intercepting well 200 and used for monitoring the water quality information in the sewage intercepting well 200 and sending the detected information to the control unit 900;

the water level monitoring device 700 is arranged in the sewage intercepting well 200 and is used for monitoring water level information in the sewage intercepting well 200 and sending the detected information to the control unit 900;

a water flow rate monitoring device 800, which is arranged in the sewage intercepting well 200, and is used for monitoring the water flow rate entering the sewage intercepting well 200 and the water flow rate in the sewage intercepting well 200, and sending the detected information to the control unit 900;

and a control unit 900 for controlling the open/close state of the rainwater outlet 212 and the sewage outlet 213 according to the received information.

The sewage intercepting well 200 comprises a well main body 210, a water inlet 211, a rainwater discharge port 212 and a sewage discharge port 213 are all arranged on the side wall of the well main body 210, the water inlet 211 is higher than the rainwater discharge port 212 and the sewage discharge port 213, and the top of the well main body 210 is provided with a service hole and a cover plate 214 arranged on the service hole; the electric butterfly valves 230 are provided with two parts, and are respectively arranged on the rainwater outlet 212 and the sewage outlet 213, and the electric butterfly valves 230 are electrically connected with the control unit 900 and controlled by the control unit 900.

In the present technical solution, the control method of the control unit 900 is specifically as follows:

the sunny state: when the rainfall monitoring device 500 does not detect rain water, the control unit 900 controls the electric butterfly valve 230 on the sewage discharge port 213 to open, and the electric butterfly valve 230 on the rain water discharge port 212 to close;

and (3) rainy day state: the rainfall monitoring device 500 detects rain water, and after the detected amount of rain water reaches a preset threshold value and the water quality detected by the water quality monitoring device 600 gradually rises to the preset threshold value, the control unit 900 controls the electric butterfly valve 230 on the sewage discharge port 213 to close and the electric butterfly valve 230 on the rainwater discharge port 212 to open; on the contrary, the control unit 900 controls the electric butterfly valve 230 on the sewage discharge port 213 to open and close, and the electric butterfly valve 230 on the rainwater discharge port 212 to close.

Under the control of the control unit 900, in a sunny day, the sewage can be discharged to the first lifting pump station 300, and under the lifting action of the first lifting pump station 300, the sewage can be directly discharged to the sewage station; when rainy season, can promote pump station 400 with middle and later stage rainwater to under the effect of second promotion pump station 400, directly arrange the less rainwater of pollutant to the river course, thereby alleviate the work burden of sewage station. Because the quality of the initial rain is very poor, contains a large amount of pollutants, and cannot be directly discharged to the river channel, the initial rain can be abandoned under the combined action of the rainfall monitoring device 500 and the water quality monitoring device 600, and flows to the sewage station to be purified through the sewage station. Wherein, the rainwater outlet 212 is arranged higher than the sewage outlet 213.

Example 2:

the embodiment provides a digital pipe network and pump station management and control system, which comprises the technical scheme of the embodiment and has the following technical characteristics.

As shown in fig. 3, 4 and 5, in the present embodiment, the sewage intercepting well 200 further includes:

and a sewage interception member 220 disposed in the well body 210 for intercepting impurities in the water flowing in from the water inlet 211.

Specifically, the dirt intercepting assembly 220 includes:

the filter box 221 is provided with an inlet 2211, the side wall of the filter box is provided with a plurality of filter holes, and the top and the bottom of the filter box 221 are provided with conveying ports 2212 which are vertically arranged in a penetrating manner;

the outer wall of the transmission disks 222 is provided with a plurality of transmission shafts 2221 arranged in a radial manner, the number of the transmission disks 222 is four, two of the transmission disks 222 are rotatably arranged on the outer side of the upper end of the well main body 210, the other two transmission disks are rotatably arranged on the inner wall of the lower side of the well main body 210, the two transmission disks 222 positioned above are provided with rotating shafts, the rotating shafts are provided with first transmission wheels 2222, and the two first transmission wheels 2222 are connected through first transmission belts 2223;

the transmission chains 223 are arranged on the four transmission discs 222 in an end-to-end manner;

a plurality of conveying plates 224 uniformly arranged on the transmission chain 223 along the length direction of the transmission chain 223, wherein the transmission chain 223 is meshed with the transmission shaft 2221 on the transmission disc 222 through the node point and the conveying plates 224;

the first motor 225 is connected with one of the rotating shafts through a coupler and used for driving the two transmission discs 222 above the position to rotate, the first motor 225 is electrically connected with the control unit 900, and the control unit 900 turns on or off the first motor 225 according to the received two pieces of water flow rate information;

the transmission chain 223 and the transmission plate 224 thereon pass through the filter box 221 through the transmission port 2212, the dirt intercepting assembly 220 further comprises a slag discharging passage 226, the cross section of the slag discharging passage 226 is shaped like a frame, the slag discharging passage 226 extends from the transmission port 2212 above the filter box 221 to the transmission port 2212 below the filter box 221 along the arrangement direction of the transmission chain 223, the transmission chain 223 and the transmission discs 222 are all arranged in the slag discharging passage 226, and the slag discharging passage 226 is further provided with a slag discharging port 2261 opposite to the upper end face of the well body.

In this technical scheme, because contain more big granule impurity in sewage and the rainwater, for example silt, domestic waste, suspended solid etc. for avoid impurity to arrange mouthful 212 and sewage and arrange mouthful 213 in discharge from the rainwater, lead to appearing blockking up to and can pollute the river course at the impurity of discharging in arranging mouthful 212 from the rainwater, for this reason, be provided with in the water inlet 211 department of well main part 210 and cut dirty subassembly 220, under this filtration of cutting dirty subassembly 220, can effectually filter the granule impurity in sewage and the rainwater.

Specifically, a filter tank 221 is provided, and water is filtered into the well body 210 by the filter holes formed in the sidewall of the filter tank 221, and impurities are left in the filter tank 221. Although some conventional sewage intercepting wells 200 are also provided with a filtering device, the filtering device needs to be manually cleaned, which is very inconvenient.

Therefore, in the present technical solution, four transmission disks 222, four transmission chains 223, a conveying plate 224, a first motor 225 and a slag discharge passage 226 are provided, and the transmission disks 222 are arranged up and down in pairs, wherein the transmission disks 222 are engaged with the nodes of the transmission chains 223 and the conveying plate 224 through transmission shafts 2221 on the transmission disks, when the first motor 225 rotates, the two transmission disks 222 above the well main body 210 are driven to rotate, and the conveying plate 224 and the transmission chains 223 are driven to rotate while rotating, because the conveying plate 224 and the transmission chains 223 can pass through the filter box 221, during the process that the conveying plate 224 moves up in the filter box 221, the filter residue at the bottom of the filter box 221 is lifted and lifted, after the conveying plate 224 gradually moves up and approaches the transmission disks 222, the conveying plate 224 is turned over and turns over, the filter residue on the conveying plate 224 is poured into the slag discharge passage 226 horizontally arranged above, after the conveying plate 224 is turned over to be vertical, the conveying plate 224 pushes the filter residue in the slag discharge passage 226 to move, after reaching the upper slag discharge port 2261, the slag discharge port is arranged to be conveniently discharged from the collecting tank 1, and is conveniently discharged from the collecting tank 1 through the collecting tank.

As shown in fig. 7, the transmission chain 223 is composed of chain links 2231 connected in sequence, two ends of each chain link 2231 are a protruding end 2232 and a slot end 2233, and adjacent chain links 2231 are matched with the slot end 2233 through the protruding end 2232 and connected through a pin; wherein, a conveying plate 224 is fixedly installed in the middle of each chain link 2231, the conveying plate 224 is a square structure, the transmission shaft 2221 is also made into a square rectangular plate, and the conveying plate 224 is driven to move by the rectangular plate.

As shown in fig. 7, in order to improve the carrying effect of the conveying board 224, a receiving groove 2242 may be formed on the conveying board 224. Of course, when the holding groove 2242 is opened, water may enter the holding groove 2242, and therefore, a plurality of through-holes 2243 are opened in the holding groove 2242.

In this embodiment, when the water flow rate monitoring device 800 detects that the water flow rate at the water inlet 211 is normal, and the water flow rate in the well main body 210 is gradually reduced, this moment, it indicates that there are more filter residues in the filter tank 221 and the filter holes on the filter tank 221 are blocked, at this moment, the control unit 900 starts the first motor 225, lift the filter residues in the filter tank 221, and clean the filter tank 221, after a period of time, when the water flow rate in the well main body 210 is gradually returned to normal, the control unit 900 closes the first motor 225, and stops the work of lifting the filter residues.

Example 3:

the embodiment provides a digital pipe network and pump station management and control system, which comprises the technical scheme of the embodiment and has the following technical characteristics.

As shown in fig. 4 and 6, in this embodiment, an annular mounting seat 227 is disposed between the lower end of the filter tank 221 and the slag discharge passage 226, the mounting seat 227 is fixed on the sidewall of the well body 210, the slag discharge passage 226 is fixedly connected with the lower end of the mounting seat 227, the filter tank 221 is cylindrical and rotatably disposed on the mounting seat 227, the upper end of the filter tank 221 is open, guide slots 2213 are disposed on the inner wall of the transportation port 2212 below the filter tank 221 and vertically penetrate through the filter tank 221 in an inclined direction, the length of the guide slots 2213 in the vertical direction is greater than the distance between adjacent transportation plates 224, more than two guide slots 2213 are provided and are uniformly distributed in the circumferential direction, and guide blocks 2241 are disposed at the outer edge of the transportation plate 224;

during the process of moving up the conveying plate 224 below the filter box 221 and entering the filter box 221, at least two conveying plates 224 are fed into the lower conveying port 2212, and the guide block 2241 of the conveying plate 224 is inserted into the guide groove 2213 and slides in the guide groove 2213, and pushes the filter box 221 to rotate.

Because the filter residue can be attached to the inner side wall of the filter box 221, in order to improve the discharging effect of the filter residue in the filter box 221, the filter box 221 is rotatably arranged, and the filter residue on the inner wall can flow to the bottom in the rotating process of the filter box 221, so that the conveying plate 224 is convenient to convey.

Specifically, a guide groove 2213 is formed in the inner wall of a conveying port 2212 below the filter box 221, a guide block 2241 is arranged on the conveying plate 224, the guide groove 2213 is obliquely arranged, and the filter box 221 is rotatably connected to the annular mounting seat 227, so that in the process of moving the conveying plate 224 upwards, the guide block 2241 on the conveying plate is embedded into the guide groove 2213 and slides in the guide groove 2213, the filter box 221 rotates, the conveying plate 224 continuously enters the filter box 221, the filter box 221 continuously rotates along with the upward movement of the conveying plate 224, and in the process of rotating the filter box 221, filter residues in the filter box can gradually move towards the conveying port 2212 below the filter box. By adopting the structure to drive the filter box 221 to rotate, not only the practical effect is strong, but also no extra power source needs to be added.

As shown in fig. 4, in the present embodiment, preferably, the pollutant interception component 220 further comprises a cleaning brush 228 for brushing the filter tank 221; the washing brush 228 includes:

a mounting bracket 2281 disposed on the sidewall of the slag discharge passage 226 and above the filter tank 221;

the first hairbrush 2282 is arranged on the mounting bracket 2281 in the vertical direction, and the first hairbrush 2282 is tightly propped against the outer wall of the filter tank 221;

and a second brush 2283 disposed on the mounting bracket 2281 in the vertical direction, wherein the second brush 2283 abuts against the inner wall of the filtering box 221.

In this technical scheme, because the water that flows into to the rose box 221 from water inlet 211, can contain some comparatively tiny granules to and some levitate thick thing, for avoiding filter tank 221 on the filtration pore to be blockked up, lead to the unable discharge rose box 221 of water, be provided with the cleaning brush 228 for this reason, because rose box 221 can rotate, consequently when rotating, can scrub the outer wall of rose box 221 through first brush 2282, can scrub the inner wall of rose box 221 through second brush 2283, and is very convenient, and practical.

As shown in fig. 4 and 8, the mounting bracket 2281 may be a mounting plate transversely disposed on an outer wall of the slag discharge passage 226, the first bristle 2282 and the second bristle 2283 are vertically disposed on the mounting plate, so that the first bristle 2282 and the second bristle 2283 can be always clamped on a sidewall of the filtering box 221, for this purpose, a sliding groove is formed at a lower end of the mounting plate, the first bristle 2282 and the second bristle 2283 are slidably disposed in the sliding groove, springs 2284 disposed at both sides of the first bristle 2282 and the second bristle 2283 are further disposed in the sliding groove, the first bristle 2282 and the second bristle 2283 are provided with elastic forces approaching each other by the two springs 2284, and the first bristle 2282 and the second bristle 2283 are abutted against the sidewall of the filtering box 221 by the elastic forces.

Example 4:

the embodiment provides a digital pipe network and pump station management and control system, which comprises the technical scheme of the embodiment and has the following technical characteristics.

As shown in fig. 3 and 4, in the present embodiment, the lower end of the slag discharging channel 226 is located on the bottom of the well body, and a sludge inlet 2262 is opened on one end surface of the lower end side edge of the slag discharging channel 226, which is opposite to the rainwater discharge port 212 and the sewage discharge port 213; the intercepting well 200 further includes a sludge cleaning assembly 240 for cleaning sludge settled at the bottom of the well body 210 toward the sludge inlet 2262.

Because the rose box 221 can only filter the great filter residue of some granule, to tiny filter residue, can flow to the bottom of well main part 210 through the filtration pore, long-time back, well main part 210 bottom can deposit mud gradually, for avoiding mud too much back, lead to rainwater row mouth 212, sewage row mouth 213 is blockked up, still be provided with mud cleaning assembly 240 for this, through combining cutting dirty subassembly 220, can effectually outwards discharge the mud of well main part 210 bottom, need not clear up through the manual work again, it is very convenient.

As shown in fig. 3 and fig. 9, in the present embodiment, specifically, a cleaning channel 215 is formed at the bottom of the well main body 210, one end of the cleaning channel 215 extends to the sludge inlet 2262, and the other end extends to the sidewall of the well main body 210 in the direction of the rainwater outlet 212 and the sewage outlet 213; sludge cleaning assembly 240 includes:

the sewage pump 241 is arranged in the well body 210, the inlet 2211 end of the sewage pump 241 is communicated to the cleaning channel 215 through a pipeline, and the outlet end of the sewage pump 241 is communicated to the sludge inlet 2262 through a pipeline;

a first installation case 242 provided on an inner wall of the well body 210;

a second motor 243 hermetically disposed in the first mounting case 242;

a support seat 244 disposed on an inner wall of the well body 210 and facing the first installation case 242;

a ball screw 245 horizontally arranged, one end of the ball screw passes through the first mounting box 242 and then is connected with an output shaft of the second motor 243, and the other end of the ball screw is rotatably connected with the supporting seat 244;

and a guide bar 246 parallel to the ball screw 245, one end of which is disposed on the outer wall of the first mounting box 242, and the other end of which is disposed on the outer wall of the support base 244.

A sliding seat 247 slidably disposed on the guide bar 246 and fixedly connected to the nut seat of the ball screw 245;

a scraper 248 vertically disposed on the sliding seat 247, wherein the length direction of the scraper 248 is perpendicular to the moving direction of the sliding seat 247, and the lower end of the scraper 248 extends downward to the bottom of the well body 210;

the dredge pump 241 and the second motor 243 are electrically connected to the control unit 900, and the control unit 900 turns on or off the dredge pump 241 and the second motor 243 according to the received water level information and the two water flow rate information.

In this embodiment, the second motor 243 drives the ball screw to rotate, and under the action of the guide rod 246, the sliding seat 247 and the scraper 248 on the sliding seat 247 make linear reciprocating motion, and the sludge at the bottom of the well body 210 is scraped to the cleaning channel 215 by the movement of the scraper 248, and under the action of the sewage pump 241, the sludge in the cleaning channel 215 can be sent into the slag discharge channel 226, and after entering the slag discharge channel 226, the sludge can be lifted by the conveying plate 224 and finally sent into the collection tank. The scraper 248 is also provided with a plurality of through holes 2481, and sludge can pass through the through holes 2481 in the process of moving the scraper 248 back and forth.

Because the conveying plate 224 is of a square structure, dead corners exist at the end corners below the slag discharge channel 226, and the dead corners cannot be touched by the conveying plate 224, so that sludge is easily accumulated at the dead corners, and therefore, the flow guide openings 2263 obliquely and downwards arranged at the end corners below the slag discharge channel 226 are arranged, and the sludge can be prevented from being accumulated in the slag discharge channel 226 by arranging the flow guide openings 2263. Of course, the width of the diversion opening 2263 is narrow, and only a small amount of sludge flows to the outside through the diversion opening 2263 during the process of lifting the sludge by the conveying plate 224.

In this embodiment, when the water level in the well main body 210 detected by the water level monitoring device 700 is higher than the sewage discharge port 213, and the water flow rate monitoring device 800 detects water flow at the water inlet 211, and the water flow rate in the well main body 210 is significantly reduced, this indicates that the sewage discharged from the sewage discharge port 213 is less, and the sewage discharge port 213 is blocked by the sludge, at this time, the control unit 900 starts the sewage pump 241, the second motor 243, and the first motor 225 to clean the sludge at the bottom of the well main body 210, and after a period of time, when the amount of the sewage discharged from the sewage discharge port 213 is normal, the control unit 900 turns off the sewage pump 241 and the second motor 243, and the first motor 225 continues to operate to discharge slag.

Example 5:

the embodiment provides a digital pipe network and pump station management and control system, which comprises the technical scheme of the embodiment and has the following technical characteristics.

As shown in fig. 3, in the present embodiment, the dirt intercepting well 200 further includes a crushing assembly 250 disposed above the dirt intercepting assembly 220 for crushing impurities in the water entering from the water inlet 211 and feeding the water and the crushed slag into the filtering tank 221.

In this technical scheme, because the water that discharges into in the rose box 221 from water inlet 211 has more bulky debris, still is provided with crushing unit 250 for this reason, comes earlier to carry out the breakage to debris through crushing unit 250, not only can avoid the last delivery port 2212 of rose box 221 to be blockked up, but also makes things convenient for transport plate 224 to carry debris outwards.

As shown in fig. 3 and 10, in the present embodiment, specifically, in the present embodiment, the crushing assembly 250 includes:

the crushing box 251 is arranged above the filter box 221 and is positioned below the water inlet 211, the upper end of the crushing box 251 is in an opening shape, the lower end of the crushing box 251 is provided with a funnel-shaped outlet, and the outlet is positioned right above the inlet 2211;

two crushing rollers 252 disposed in the crushing box 251 and engaged with each other in a horizontal direction, wherein a rotating shaft of one of the crushing rollers 252 passes through and extends out of the crushing box 251;

a second mounting box 253 which is arranged on the outer wall of the crushing box 251, and the extending end of the crushing roller 252 extends into the second mounting box 253;

a third motor 254 hermetically disposed in the second mounting case 253;

two second driving wheels 255, which are respectively arranged on the output end of the third motor 254 and the rotating shaft of the crushing roller 252 in the second mounting box 253;

the second transmission belt 256 is sleeved on the two second transmission wheels 255;

the third motor 254 is electrically connected to the control unit 900, and the control unit 900 controls the on/off of the third motor 254.

In the technical scheme, water flowing in from the water inlet 211 is conveyed to the crushing box 251, under the action of the crushing roller 252, impurities are crushed into fine slag, and then the slag flows to the filter box 221 under the action of gravity and is blocked by the filter box 221, so that the conveying plate 224 can convey waste slag outwards conveniently.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.

Claims (7)

1. The utility model provides a digit pipe network and pump station management and control system which characterized in that includes:

the drainage pipe network (100) consists of a plurality of drainage pipes and is used for collecting and discharging rainwater and sewage in each area of a city;

the sewage intercepting well (200) is arranged at the confluence of drainage pipelines and is used for shunting rainwater and sewage; the sewage intercepting well (200) is provided with a water inlet (211); the rainwater drainage port (212) is used for draining rainwater in the middle and later periods; and a sewage discharge port (213) for discharging sewage and initial rainwater;

the first lifting pump station (300) is arranged at the downstream of the sewage intercepting well (200), is communicated with the rainwater drainage port (212) through a pipeline, and is used for collecting rainwater drained from the rainwater drainage port (212) and directly draining the rainwater to a river channel;

the second lifting pump station (400) is arranged at the downstream of the sewage intercepting well (200), is communicated with the sewage discharge port (213) through a pipeline, is used for collecting sewage and initial rainwater discharged from the sewage discharge port (213), and conveys the sewage and the initial rainwater to a sewage station;

the rainfall monitoring device (500) is used for collecting ground rainfall information and sending the information to the control unit (900);

the water quality monitoring device (600) is arranged in the sewage intercepting well (200) and is used for monitoring the water quality information in the sewage intercepting well (200) and sending the detected information to the control unit (900);

the water level monitoring device (700) is arranged in the sewage intercepting well (200) and is used for monitoring water level information in the sewage intercepting well (200) and sending the detected information to the control unit (900);

the water flow rate monitoring device (800) is arranged in the sewage intercepting well (200) and is used for monitoring the water flow rate entering the sewage intercepting well (200) and the water flow rate in the sewage intercepting well (200) and sending the detected information to the control unit (900);

the control unit (900) controls the opening and closing states of the rainwater discharge port (212) and the sewage discharge port (213) according to the received information;

the catch basin (200) comprises:

the water inlet (211), the rainwater drainage port (212) and the sewage drainage port (213) are all arranged on the side wall of the well main body (210), the water inlet (211) is higher than the rainwater drainage port (212) and the sewage drainage port (213), and the top of the well main body (210) is provided with a maintenance port and a cover plate (214) arranged on the maintenance port;

a sewage interception assembly (220) disposed in the well body (210) for intercepting impurities in water flowing from the water inlet (211);

the two electric butterfly valves (230) are respectively arranged on the rainwater discharge port (212) and the sewage discharge port (213), and the electric butterfly valves (230) are electrically connected with the control unit (900) and are controlled by the control unit (900);

the sewage interception assembly (220) comprises:

the filter box (221) is provided with an inlet (2211), the side wall of the filter box is provided with a plurality of filter holes, and the top and the bottom of the filter box (221) are provided with conveying ports (2212) which penetrate through the filter box up and down;

the outer wall of each transmission disc (222) is provided with a plurality of transmission shafts (2221) which are arranged in a radial mode, the number of the transmission discs (222) is four, two of the transmission discs (222) are rotatably arranged on the outer side of the upper end of the well main body (210), the other two transmission discs are rotatably arranged on the inner wall of the lower side of the well main body (210), the two transmission discs (222) above the transmission discs are provided with rotating shafts, the rotating shafts are provided with first transmission wheels (2222), and the two first transmission wheels (2222) are connected through first transmission belts (2223);

the transmission chains (223) are arranged on the four transmission discs (222) in an end-to-end manner;

the conveying plates (224) are provided with a plurality of conveying plates, and are uniformly arranged on the transmission chain (223) along the length direction of the transmission chain (223), and the transmission chain (223) is meshed with the transmission shaft (2221) on the transmission disc (222) through a node of the transmission chain and the conveying plates (224);

the first motor (225) is connected with one rotating shaft through a coupler and used for driving the two transmission discs (222) above the position to rotate, the first motor (225) is electrically connected with the control unit (900), and the control unit (900) turns on or off the first motor (225) according to the received information of the two water flow rates;

the transmission chain (223) and the conveying plate (224) on the transmission chain penetrate through the filter box (221) through the conveying port (2212), the sewage interception assembly (220) further comprises a slag discharging channel (226) with a frame-shaped cross section, the slag discharging channel (226) extends from the conveying port (2212) above the filter box (221) to the conveying port (2212) below the filter box (221) along the arrangement direction of the transmission chain (223), the transmission chain (223) and each transmission disc (222) are arranged in the slag discharging channel (226), and a slag discharging port (2261) opposite to the upper end face of the well main body (210) is further arranged on the slag discharging channel (226);

an annular mounting seat (227) is arranged between the lower end of the filter box (221) and the slag discharge channel (226), the mounting seat (227) is fixed on the side wall of the well body (210), the slag discharge channel (226) is fixedly connected with the lower end of the mounting seat (227), the filter box (221) is cylindrical and is rotatably arranged on the mounting seat (227), the upper end of the filter box (221) is of an open structure, a guide groove (2213) which is arranged in an up-and-down penetrating manner along an inclined direction is formed in the inner wall of a conveying port (2212) below the filter box (221), the length of the guide groove (2213) along the vertical direction is larger than the distance between adjacent conveying plates (224), the guide grooves (2213) are more than two and are uniformly distributed along the circumferential direction, and guide blocks (2241) are arranged at the outer edge of each conveying plate (224);

in the process that the conveying plate (224) positioned below the filter box (221) moves upwards and enters the filter box (221), at least two conveying plates (224) in the lower conveying port (2212) are fed, and the guide block (2241) on the conveying plate (224) is embedded into the guide groove (2213), slides in the guide groove (2213) and pushes the filter box (221) to rotate.

2. The system for managing and controlling a digital pipe network and a pump station according to claim 1, wherein the dirt intercepting assembly (220) further comprises a cleaning brush (228) for brushing and washing the filter tank (221); the washing brush (228) includes:

the mounting bracket (2281) is arranged on the side wall of the slag discharge channel (226) and is positioned above the filter box (221);

the first hairbrush (2282) is arranged on the mounting bracket (2281) along the vertical direction, and the first hairbrush (2282) is abutted against the outer wall of the filter box (221);

and the second hairbrush (2283) is arranged on the mounting bracket (2281) along the vertical direction, and the second hairbrush (2283) is abutted against the inner wall of the filter box (221).

3. The digital pipe network and pump station management and control system according to claim 1 or 2, wherein the lower end of the slag discharge channel (226) is located at the bottom of the well main body (210), and a sludge inlet (2262) is formed in one end face of the side edge of the lower end of the slag discharge channel (226) opposite to the rainwater discharge port (212) and the sewage discharge port (213); the intercepting well (200) further comprises a sludge cleaning assembly (240) for cleaning sludge settled at the bottom of the well body (210) toward the sludge inlet (2262).

4. The system according to claim 3, wherein a cleaning channel (215) is formed at the bottom of the well main body (210), one end of the cleaning channel (215) extends to the sludge inlet (2262), and the other end of the cleaning channel extends to the sidewall of the well main body (210) in the direction of the rainwater drain port (212) and the sewage drain port (213); the sludge cleaning assembly (240) comprises:

a dredge pump (241) disposed within the well body (210), an inlet (2211) end of the dredge pump (241) leading to the disposal channel (215) through a conduit, an outlet end of the dredge pump (241) leading to the sludge inlet (2262) through a conduit;

a first installation case (242) provided on an inner wall of the well body (210);

a second motor (243) hermetically arranged in the first mounting box (242);

a support base (244) provided on an inner wall of the well body (210) and facing the first installation case (242);

the ball screw (245) is horizontally arranged, one end of the ball screw penetrates through the first mounting box (242) and then is connected with an output shaft of the second motor (243), and the other end of the ball screw is rotationally connected with the supporting seat (244);

the guide rod (246) is parallel to the ball screw (245), one end of the guide rod is arranged on the outer wall of the first installation box (242), and the other end of the guide rod is arranged on the outer wall of the supporting seat (244);

the sliding seat (247) is arranged on the guide rod (246) in a sliding way and is fixedly connected with the nut seat on the ball screw (245);

a scraper (248) which is arranged on the sliding seat (247) along the vertical direction, the length direction of the scraper (248) is perpendicular to the moving direction of the sliding seat (247), and the lower end of the scraper (248) extends downwards to the bottom of the well main body (210);

the sewage pump (241) and the second motor (243) are electrically connected with the control unit (900), and the control unit (900) turns on or off the sewage pump (241) and the second motor (243) according to the received water level information and the two pieces of water flow rate information.

5. The digital pipe network and pump station management and control system according to claim 4, wherein the sewage intercepting well (200) further comprises a crushing assembly (250) arranged above the sewage intercepting assembly (220) and used for crushing impurities in water entering from the water inlet (211) and sending the water and crushed slag into the filter tank (221).

6. The system according to claim 5, wherein the crushing assembly (250) comprises:

the crushing box (251) is arranged above the filtering box (221) and below the water inlet (211), the upper end of the crushing box (251) is in an open shape, the lower end of the crushing box is provided with a funnel-shaped outlet, and the outlet is positioned right above the inlet (2211);

two crushing rollers (252) which are meshed with each other in the horizontal direction and are arranged in the crushing box (251), wherein the rotating shaft of one crushing roller (252) penetrates through and extends out of the crushing box (251);

the second mounting box (253) is arranged on the outer wall of the crushing box (251), and the protruding end of the crushing roller (252) extends into the second mounting box (253);

a third motor (254) hermetically disposed in the second mounting case (253);

two second transmission wheels (255) are arranged on the output end of the third motor (254) and the rotating shaft of the crushing roller (252) in the second mounting box (253), respectively;

the second transmission belt (256) is sleeved on the two second transmission wheels (255);

the third motor (254) is electrically connected with the control unit (900), and the control unit (900) controls the on-off of the third motor (254).

7. The system according to claim 6, wherein the control unit (900) is configured to control the following steps:

the sunny state: when the rainfall monitoring device (500) does not detect rain water, the control unit (900) controls the electric butterfly valve (230) on the sewage discharge port (213) to be opened, and the electric butterfly valve (230) on the rain water discharge port (212) to be closed;

the rainy day state: the rainfall monitoring device (500) detects rainwater, and after the detected rainwater amount reaches a preset threshold value and the water quality detected by the water quality monitoring device (600) gradually rises to the preset threshold value, the control unit (900) controls the electric butterfly valve (230) on the sewage discharge port (213) to be closed, and the electric butterfly valve (230) on the rainwater discharge port (212) is opened; on the contrary, the control unit (900) controls the electric butterfly valve (230) on the sewage discharge port (213) to open and close, and the electric butterfly valve (230) on the rainwater discharge port (212) to close.

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