Regulation and storage system with functions of first rain non-point source pollution control and waterlogging peak clipping and control method

Abstract

The invention relates to a regulation and storage system with the functions of first rain non-point source pollution control and waterlogging peak clipping. The regulation and storage system comprises a water inlet box culvert, a grating room, a regulation and storage pond water inlet diversion gate shaft, a regulation and storage pond and a water pump room. The water inlet box culvert is communicated with the grating; the grating room is respectively communicated with the water inlet diversion gate shaft of the storage pond and the water pump room; the storage pond is of a full underground structure, and a partition wall is arranged in the storage pond and divides the storage pond into an initial rain storage space and a peak clipping control storage space. The regulation and storage pool water inlet diversion gate shaft is communicated with the first rain regulation and storage space through a first rain water inlet channel; the water inlet diversion gate shaft of the regulation and storage tank is communicated with the peak clipping control regulation and storage space through a peak clipping regulation and storage channel; and the peak clipping control regulation and storage space is communicated with the water pump through a peak clipping emptying pipe. The invention further relates to a control method of the storage pond system. The problem of urban non-point source pollution is effectively relieved, the urban waterlogging risk is reduced, the function of the regulation and storage pond is played to the maximum extent, and the idle working condition of the regulation and storage pond is reduced; the investment is saved, and the occupied area is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of pump stations, and in particular to a storage and regulation system and a control method for both initial rain surface source pollution control and waterlogging peak reduction. Background Art

[0002] The existing pumping station has insufficient pumping capacity and there is no condition for expansion. Peak shaving and storage ponds can be used to shave the runoff peak.

[0003] The defects of the prior art are:

[0004] 1. Most of the peak shaving storage tanks are independent of the pumping stations and lack linkage with the pumping stations;

[0005] 2. The regulating reservoir has a single function, has many idle conditions, and has a long idle time.

[0006] 3. The peak load storage tank and the initial rain storage tank have similar structures, but they are used in different scenarios. If they are built separately, the cost will be high and the land area will be large. Summary of the invention

[0007] In view of the above problems, the present invention provides a storage and regulation system and a control method that have both initial rain surface source pollution control and waterlogging peak shaving, with the purpose of reducing the runoff peak during heavy rainfall and coordinating with a pump station to cope with heavy rain; reducing the idle working conditions of the storage pool and maximizing the function of the storage pool; using part of the space in the pool to collect initial rain during non-heavy rainfall to reduce surface source pollution; using the space in the pool to reduce the runoff peak during heavy rainfall, and realizing two working conditions in one pool, saving investment and reducing land occupation.

[0008] To solve the above problems, the technical solution provided by the present invention is:

[0009] A storage and regulation system that combines initial rain surface source pollution control and waterlogging peak reduction, comprising a water inlet culvert, a grille room, a water inlet diversion gate well of a storage tank, a storage tank, and a water pump room, wherein:

[0010] The water inlet culvert is connected with the grille room; the grille room is respectively connected with the water inlet diversion gate shaft of the regulating reservoir and the water pump room; a first valve is provided between the grille room and the water pump room; the regulating reservoir is a fully underground structure with a partition wall arranged therein, which divides the regulating reservoir into a combined initial rain regulating space and a peak shaving control regulating space; the water inlet diversion gate shaft of the regulating reservoir is connected with the combined initial rain regulating space through an initial rain water inlet channel; a second valve is provided at the front end of the initial rain water inlet channel; the water inlet diversion gate shaft of the regulating reservoir is connected with the peak shaving control regulating space through a peak shaving regulating channel; a third valve is provided at the front end of the peak shaving regulating channel; the combined initial rain regulating space and the peak shaving control regulating space are connected through a fourth valve; the peak shaving control regulating space is connected with the water pump room through a peak shaving drain pipe.

[0011] Preferably, it further includes a control system; the control system is electrically signal-coupled to the first valve, the second valve, the third valve, and the fourth valve respectively.

[0012] Preferably, a second liquid level gauge, a second flushing valve, and a first rain emptying pump are provided in the combined first rain storage space; the second liquid level gauge is electrically signal-coupled to the control system and is used to send a control signal for controlling the opening and closing of the second valve; the second flushing valve is electrically signal-coupled to the control system; the first rain emptying pump is electrically signal-coupled to the control system and is used to pump and drain the first rain and flushing wastewater in the combined first rain storage space; the combined first rain storage space is communicated with the sewage pipe through a first rain emptying pipe supporting the first rain emptying pump.

[0013] Preferably, a third liquid level gauge, a third flushing valve, and a peak shaving emptying pump are provided in the peak shaving control storage space; the third liquid level gauge is electrically signal-coupled to the control system and is used to send a control signal for controlling the opening and closing of the third valve; the peak shaving emptying pump is electrically signal-coupled to the control system and is used to pump and drain the rainwater in the peak shaving control storage space; the peak shaving emptying pump is matched with the peak shaving emptying pipe; the third flushing valve is electrically signal-coupled to the control system.

[0014] Preferably, a first liquid level gauge and a pump room water pump are provided in the pump room; the first liquid level gauge is electrically signal-coupled to the control system and is used to send a control signal for controlling the start and stop of the peak shaving emptying pump and the pump room water pump; the pump room water pump is electrically signal-coupled to the control system.

[0015] Preferably, there are 6 pump room water pumps.

[0016] A control method using the storage system with both first rain non-point source pollution control and waterlogging peak shaving includes a first rain storage working condition process, a synchronous first rain storage and peak shaving control working condition process, and a peak shaving control working condition process; when the predicted daily rainfall amount is less than or equal to a first rainfall threshold preset manually, the first rain storage working condition process is executed; when the predicted daily rainfall amount is greater than the first rainfall threshold preset manually and less than a second rainfall threshold preset manually, the synchronous first rain storage and peak shaving control working condition process is executed; when the predicted daily rainfall amount is greater than or equal to a third rainfall threshold preset manually, the peak shaving control working condition process is executed.

[0017] Preferably, the first rain storage working condition process includes the following steps:

[0018] Sa100. Control the fourth valve to close;

[0019] Sa200. Before it rains, control to open the second valve and at the same time control to close the first valve;

[0020] Sa300. After controlling the pre-rainwater to enter the grid room from the inlet box culvert, it preferentially enters the combined initial rainwater storage space;

[0021] Sa400. When the second liquid level gauge monitors that the liquid level in the combined initial rainwater storage space reaches the highest control liquid level preset manually, the second liquid level gauge sends a control signal to the control system to open the first valve and close the second valve;

[0022] Sa500. Control to open the first valve and control to close the second valve;

[0023] Sa600. Control the pump room to pump the rainwater out into the river;

[0024] Sa700. After the rain stops, control the initial rainwater drainage pump to lift and drain the sewage in the combined initial rainwater storage space to the sewage pipe outside the station.

[0025] Preferably, the synchronous initial rainwater storage and peak shaving control working condition process includes the following steps:

[0026] Sb100. Control to close the fourth valve;

[0027] Sb200. Before the rain, control to open the second valve and at the same time control to close the first valve;

[0028] Sb300. After controlling the pre-rainwater to enter the grid room from the inlet box culvert, it preferentially enters the combined initial rainwater storage space;

[0029] Sb400. When the second liquid level gauge monitors that the liquid level in the combined initial rainwater storage space reaches the highest control liquid level preset manually, the second liquid level gauge sends a control signal to the control system to open the first valve and close the second valve;

[0030] Sb500. Control to open the first valve and control to close the second valve;

[0031] Sb600. The first liquid level gauge monitors the liquid level change in the pump room and sequentially opens the pumps in the pump room according to the liquid level change in the pump room to pump the rainwater out into the river;

[0032] Sb700. Control the pumps in the pump room to operate at full load. When the water level behind the grid after the grid room rises above the designed liquid level behind the grid preset manually, control the rainwater exceeding the designed liquid level behind the grid to overflow to the peak shaving control storage space through the peak shaving storage channel;

[0033] Sb800. Control the continuous operation of the water pumps in the pump room; when the first level gauge monitors that the liquid level in the pump room is lower than the designed liquid level of the pump room preset manually, send a control signal to the control system to turn on the peak shaving and emptying pump.

[0034] Sb900. Control the peak shaving and emptying pump to drain the rainwater in the peak shaving control storage space into the pump room, and then pump it out into the river through the water pumps in the pump room.

[0035] Sb1000. After the rain stops, control the fourth valve to open, and then drain the silted sewage at the bottom of the peak shaving control storage space, the sewage in the combined initial rain storage space and the flushing wastewater into the sewage pipe outside the station through the initial rain emptying pump.

[0036] Preferably, the peak shaving control working condition process includes the following steps:

[0037] Sc100. Control the fourth valve to open;

[0038] Sc200. Before it rains, control to close the second valve and at the same time control to open the first valve;

[0039] Sc300. Control the pre-rainwater to enter the grille room from the inlet culvert and then preferentially enter the pump room;

[0040] Sc400. The first level gauge monitors the liquid level change in the pump room and successively turns on the water pumps in the pump room according to the liquid level change in the pump room to pump the rainwater out into the river;

[0041] Sc500. Control the water pumps in the pump room to operate at full load. When the water level behind the grille after the grille room rises above the designed water level behind the grille, control the rainwater exceeding the designed water level behind the grille to overflow into the peak shaving control storage space through the peak shaving storage channel;

[0042] Sc600. When the first level gauge monitors that the liquid level in the pump room is lower than the designed liquid level of the pump room, send a control signal to the control system to turn on the peak shaving and emptying pump;

[0043] Sc700. Control the peak shaving and emptying pump to drain the rainwater in the peak shaving control storage space into the pump room, and then pump it out into the river through the water pumps in the pump room.

[0044] Sc800. After the rain stops, control the initial rain emptying pump to drain the silted sewage at the bottom and the flushing wastewater in the combined initial rain storage space and the peak shaving control storage space into the sewage pipe outside the station.

[0045] Compared with the prior art, the present invention has the following advantages:

[0046] 1. Reduce runoff peak during heavy rainfall and cooperate with pump stations to cope with heavy rain.

[0047] 2. The two functions can be switched to reduce the idle conditions of the regulating reservoir and maximize the function of the regulating reservoir.

[0048] 3. During non-heavy rainfall, part of the pool space is used to collect initial rain to reduce surface pollution; during heavy rainfall, the pool space is used to reduce the peak runoff. Both working conditions can be achieved in one pool, saving investment and reducing land occupation. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] Figure 1 A schematic diagram of the structure of a storage tank system according to a specific embodiment of the present invention;

[0050] Figure 2 It is a schematic diagram of the initial rain storage condition process of a specific embodiment of the present invention;

[0051] Figure 3 It is a schematic diagram of the synchronous initial rain storage and peak shaving control working condition process of a specific embodiment of the present invention;

[0052] Figure 4 It is a schematic diagram of the peak shaving control working condition process of a specific embodiment of the present invention.

[0053] Among them: 1. Inlet culvert, 2. Grille room, 3. Water diversion gate well for water inlet of regulating reservoir, 4. Regulating reservoir, 5. Pump room, 4.1. Initial rain regulating and storing space, 4.2. Peak shaving control regulating and storing space, 6. First valve, 7. Initial rain inlet channel, 8. Second valve, 9. Peak shaving regulating and storing channel, 10. Third valve, 11. Fourth valve, 12. Peak shaving emptying pipe, 13. Control system, 14. Initial rain emptying pipe, 15. Sewage pipe DETAILED DESCRIPTION

[0054] The present invention is further explained below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0055] like Figure 1 As shown, a regulation and storage system with both initial rain surface source pollution control and waterlogging peak reduction includes a water inlet culvert 1, a grille room 2, a regulating and storage tank inlet diversion gate well 3, a regulating and storage tank 4, and a water pump room 5, wherein:

[0056] The inlet water box culvert 1 is connected to the grille chamber 2; the grille chamber 2 is respectively connected to the inlet water diversion sluice well 3 of the storage tank and the pump room 5; a first valve 6 is provided between the grille chamber 2 and the pump room 5; the storage tank 4 is an all-underground structure with a partition wall inside, dividing the storage tank 4 into a combined initial rain storage space 4.1 and a peak shaving control storage space 4.2; the inlet water diversion sluice well 3 of the storage tank is connected to the combined initial rain storage space 4.1 through the initial rain inlet channel 7; a second valve 8 is provided at the front end of the initial rain inlet channel 7; the inlet water diversion sluice well 3 of the storage tank is connected to the peak shaving control storage space 4.2 through the peak shaving storage channel 9; a third valve 10 is provided at the front end of the peak shaving storage channel 9; the combined initial rain storage space 4.1 and the peak shaving control storage space 4.2 are connected through a fourth valve 11; the peak shaving control storage space 4.2 is connected to the pump room 5 through the peak shaving emptying pipe 12.

[0057] It should be noted that a control system 13 is also included; the control system 13 is electrically signal-coupled to the first valve 6, the second valve 8, the third valve 10, and the fourth valve 11 respectively.

[0058] It should be further noted that the first valve 6 is used to control the initial rain to preferentially enter the combined initial rain storage space 4.1, in a normally open state, and its opening and closing can be controlled by the second liquid level gauge.

[0059] It should be further noted that the second valve 8 is used to control the water inlet of the combined initial rain storage space 4.1, and its opening and closing are controlled by the second liquid level gauge.

[0060] It should be further noted that the third valve 10 is used to control the water inlet of the peak shaving control storage space 4.2, and its opening and closing are controlled by the third liquid level gauge.

[0061] It should be further noted that the fourth valve 11 is in a normally closed state and is only opened when the whole pool is used as a peak shaving storage tank or when flushing wastewater in the tank is pumped out.

[0062] It should be noted that a second liquid level gauge, a second flushing valve, and an initial rain emptying pump are provided in the combined initial rain storage space 4.1; the second liquid level gauge is electrically signal-coupled to the control system 13 and is used to send a control signal for controlling the opening and closing of the second valve 8; the second flushing valve is electrically signal-coupled to the control system 13; the initial rain emptying pump is electrically signal-coupled to the control system 13 and is used to pump out the initial rain and flushing wastewater in the combined initial rain storage space 4.1; the combined initial rain storage space 4.1 is connected to the sewage pipe 15 through the initial rain emptying pipe 14 supporting the initial rain emptying pump.

[0063] It should be further noted that the bottom elevation of the initial rain inlet channel 7 ≤ the original grille bottom elevation, so that the initial rain preferentially enters the storage space.

[0064] It should be noted that a third liquid level gauge, a third flushing valve, and a peak shaving evacuation pump are provided in the peak shaving control storage space 4.2; the third liquid level gauge is electrically signal-coupled to the control system 13 and is used to send a control signal for controlling the opening and closing of the third valve 10; the peak shaving evacuation pump is electrically signal-coupled to the control system 13 and is used to pump and drain the rainwater in the peak shaving control storage space 4.2; the peak shaving evacuation pump is matched with the peak shaving evacuation pipe 12; the third flushing valve is electrically signal-coupled to the control system 13, and the flushing wastewater is pumped and drained to the sewage pipe 15 by the first rainwater evacuation pump and the supporting first rainwater evacuation pipe 14 in the combined first rainwater storage space 4.1.

[0065] It should be further noted that the bottom elevation of the peak shaving storage channel 9 ≥ the designed liquid level elevation behind the grid, so that the peak runoff overflows into the peak shaving control storage space 4.2 to play the role of peak shaving and storage.

[0066] It should be further noted that the peak shaving evacuation pump is controlled by the first liquid level gauge to start. When the liquid level in the pump room 5 is lower than the starting drainage level in the middle and late stages of rain, the peak shaving evacuation pump starts.

[0067] It should be noted that the combined first rainwater storage space 4.1 is used for first rainwater storage under non-heavy rainfall conditions, and for peak shaving control during the flood season or heavy rainfall. The peak shaving control storage space 4.2 is only used for peak shaving control of the pump station.

[0068] It should be noted that the design standards and corresponding daily rainfall amounts of the combined first rainwater storage space 4.1 and the peak shaving control storage space 4.2 are shown in Table 1:

[0069] Table 1. Corresponding design waterlogging standards of the pump station

[0070]

[0071] It should be further noted that the waterlogging design standard basis should be comprehensively determined according to the historical rainfall data of different cities and the upper-level planning. The waterlogging standard in Wuhan is shown in Table 2:

[0072] Table 2. Waterlogging standard in Wuhan

[0073]

[0074] It should be noted that a first liquid level gauge and a pump in the pump room 5 are provided; the first liquid level gauge is electrically signal-coupled to the control system 13 and is used to send control signals for controlling the start and stop of the peak shaving evacuation pump and the pump in the pump room; the pump in the pump room is electrically signal-coupled to the control system 13.

[0075] In this specific embodiment, there are 6 pumps in the pump room.

[0076] A control method for a storage system that combines the control of initial rain non-point source pollution and the peak shaving of waterlogging, including an initial rain storage operation process, a synchronous initial rain storage and peak shaving control operation process, and a peak shaving control operation process; when the predicted daily rainfall is less than or equal to the first rainfall threshold preset manually, the initial rain storage operation process is executed; when the predicted daily rainfall is greater than the first rainfall threshold preset manually and less than the second rainfall threshold preset manually, the synchronous initial rain storage and peak shaving control operation process is executed; when the predicted daily rainfall is greater than or equal to the third rainfall threshold preset manually, the peak shaving control operation process is executed.

[0077] It should be noted that taking the waterlogging design standard in the drainage pumping station as the definition standard, different function switches are controlled according to the predicted daily rainfall in the weather forecast, as shown in Table 3:

[0078] Table 3. Table of function switch definition standard based on the pumping station design standard

[0079]

[0080] It should be further noted that under different working conditions, level control can be used for automatic control.

[0081] It should be noted that the flood season is taken as the function switch definition standard. The initial rain storage operation is executed in the non-flood season (winter and spring seasons). The peak shaving control storage operation is executed in the flood season.

[0082] It should be noted that as Figure 2 shown, the initial rain storage operation process includes the following steps:

[0083] Sa100. Control the fourth valve 11 to close.

[0084] Sa200. Before it rains, control to open the second valve 8 and at the same time control to close the first valve 6; Sa300. Control the pre-rainwater to enter the grid room 2 from the inlet culvert 1 and then preferentially enter the combined initial rain storage space 4.1.

[0085] Sa400. When the second level gauge monitors that the level in the combined initial rain storage space 4.1 reaches the highest control level preset manually, the second level gauge sends a control signal to the control system 13 to open the first valve 6 and close the second valve 8.

[0086] Sa500. Control to open the first valve 6 and control to close the second valve 8.

[0087] Sa600. Control the pump room 5 to pump the rainwater out to the river.

[0088] Sa700. After the rain stops, control the initial rain drain pump to lift and drain the sewage in the combined initial rain storage space 4.1 to the sewage pipe 15 outside the station.

[0089] It should be noted that, as Figure 3 shown, the synchronous initial rainwater storage and peak shaving control working condition process includes the following steps:

[0090] Sb100. Control the fourth valve 11 to close.

[0091] Sb200. Before rain, control to open the second valve 8 and at the same time control to close the first valve 6.

[0092] Sb300. Control the pre-rainwater to enter the grid room 2 from the inlet culvert 1 of the water tank and then preferentially enter the initial rainwater storage space 4.1.

[0093] Sb400. When the second liquid level gauge monitors that the liquid level in the initial rainwater storage space 4.1 reaches the manually preset highest control liquid level, the second liquid level gauge sends a control signal to the control system 13 to open the first valve 6 and close the second valve 8.

[0094] Sb500. Control to open the first valve 6 and control to close the second valve 8.

[0095] Sb600. The first liquid level gauge monitors the liquid level change in the pump room 5 and successively turns on the pumps in the pump room according to the liquid level change in the pump room 5 to pump the rainwater out into the river.

[0096] Sb700. Control the pumps in the pump room to operate at full load. When the water level behind the grid in the grid room 2 rises above the manually preset designed water level behind the grid, control the rainwater exceeding the designed water level behind the grid to overflow to the peak shaving control storage space 4.2 through the peak shaving storage channel 9.

[0097] Sb800. Control the pumps in the pump room to continue operating; when the first liquid level gauge monitors that the liquid level in the pump room 5 is lower than the manually preset designed liquid level in the pump room, send a control signal to the control system 13 to open the peak shaving drainage pump.

[0098] Sb900. Control the peak shaving drainage pump to drain the rainwater in the peak shaving control storage space 4.2 to the pump room 5, and then pump it out into the river through the pumps in the pump room 5.

[0099] Sb1000. After the rain stops, control to open the fourth valve 11, and then drain the silted sewage at the bottom of the peak shaving control storage space 4.2, the sewage in the initial rainwater storage space 4.1 and the flushing wastewater to the sewage pipe 15 outside the station through the initial rainwater drainage pump.

[0100] It should be noted that, as Figure 4 shown, the peak shaving control working condition process includes the following steps:

[0101] Sc100. Control the fourth valve 11 to open.

[0102] Sc200. Before rain, control to close the second valve 8 and at the same time control to open the first valve 6.

[0103] Sc300. Control the pre-rainwater to enter the grille chamber 2 from the inlet water box culvert 1 and then preferentially enter the pump room 5.

[0104] Sc400. The first level gauge monitors the level change in the pump room 5 and successively turns on the pumps in the pump room according to the level change in the pump room 5 to pump the rainwater out into the river.

[0105] Sc500. Control the pumps in the pump room to operate at full load. When the water level behind the grille in the grille chamber 2 rises above the designed level behind the grille, control the rainwater exceeding the designed level behind the grille to overflow to the peak shaving control storage space 4.2 through the peak shaving regulation channel 9.

[0106] Sc600. When the first level gauge monitors that the level in the pump room 5 is lower than the designed level of the pump room, send a control signal to the control system 13 to turn on the peak shaving drain pump.

[0107] Sc700. Control the peak shaving drain pump to drain the rainwater in the peak shaving control storage space 4.2 to the pump room 5, and then pump it out into the river through the pumps in the pump room 5.

[0108] Sc800. After the rain stops, control the initial rain drain pump to drain the bottom silt sewage and flushing wastewater in the combined initial rain storage space 4.1 and the peak shaving control storage space 4.2 to the sewage pipe 15 outside the station.

[0109] It should be noted that when the storage tank 4 is emptied, the fourth valve 11 is in the open state. Successively open the second flushing valve and the third flushing valve of the storage tank 4 to flush the silt and slag on the inner bottom plate of the tank, and pump it out to the existing sewage pipe by the initial rain drain pump.

[0110] In the above detailed description, various features are combined in a single embodiment to simplify the present disclosure. This method of disclosure should not be construed as reflecting an intention that the embodiments of the claimed subject matter require more features than those clearly stated in each claim. On the contrary, as reflected in the appended claims, the present invention is in a state with fewer features than all the features of the disclosed single embodiment. Therefore, the appended claims are hereby clearly incorporated into the detailed description, where each claim stands alone as a separate preferred embodiment of the present invention.

[0111] The above-described disclosed embodiments are described to enable any person skilled in the art to implement or use the present invention. For those skilled in the art, various modification methods of these embodiments are obvious, and the general principles defined herein can also be applied to other embodiments without departing from the spirit and scope of the present disclosure. Therefore, the present disclosure is not limited to the embodiments given herein, but is consistent with the broadest scope of the principles and novel features disclosed in this application.

[0112] The above description includes examples of one or more embodiments. Of course, it is impossible to describe all possible combinations of components or methods for describing the above embodiments, but those of ordinary skill in the art should recognize that each embodiment can be further combined and arranged. Therefore, the embodiments described herein are intended to cover all such changes, modifications, and variations that fall within the scope of the appended claims. In addition, with respect to the term "comprising" used in the specification or claims, the manner in which this term encompasses is similar to the term "including", as interpreted when "including" is used as a transitional word in the claims. In addition, any term "or" used in the claims or the specification is to mean "non-exclusive or".

[0113] The specific embodiments described above further elaborate on the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only the specific embodiments of the present invention and is not used to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A storage and regulation system that combines initial rain surface source pollution control and peak shaving for waterlogging, characterized in that: It includes an intake box culvert (1), a grille chamber (2), a regulating pond influent diversion sluice well (3), a regulating pond (4), and a pump house (5), where: The intake box culvert (1) is connected to the grille chamber (2); the grille chamber (2) is respectively connected to the regulating pond influent diversion sluice well (3) and the pump house (5); a first valve (6) is provided between the grille chamber (2) and the pump house (5); the regulating pond (4) is a fully underground structure with internal partition walls, dividing the regulating pond (4) into a combined first flush regulating space (4.1) and a peak shaving control regulating space (4.2); the regulating pond influent diversion sluice well (3) is connected to the combined first flush regulating space (4.1) through a first flush inlet channel (7); a second valve (8) is provided at the front end of the first flush inlet channel (7); the regulating pond influent diversion sluice well (3) is connected to the peak shaving control regulating space (4.2) through a peak shaving regulating channel (9); a third valve (10) is provided at the front end of the peak shaving regulating channel (9); the combined first flush regulating space (4.1) and the peak shaving control regulating space (4.2) are connected through a fourth valve (11); the peak shaving control regulating space (4.2) is connected to the pump house (5) through a peak shaving drain pipe (12).

2. The storage and regulation system for initial rain surface source pollution control and peak flow reduction of waterlogging according to claim 1, characterized in that: It also includes a control system (13); the control system (13) is electrically signal-coupled to the first valve (6), the second valve (8), the third valve (10), and the fourth valve (11) respectively.

3. The storage and regulation system with initial rain surface source pollution control and peak flow reduction for waterlogging as claimed in claim 2, wherein: A second liquid level gauge, a second flushing valve, and a first flush drain pump are provided in the combined first flush regulating space (4.1); the second liquid level gauge is electrically signal-coupled to the control system (13) and is used to send a control signal for controlling the opening and closing of the second valve (8); the second flushing valve is electrically signal-coupled to the control system (13); the first flush drain pump is electrically signal-coupled to the control system (13) and is used to pump and drain the first flush rainwater and flushing wastewater in the combined first flush regulating space (4.1); the combined first flush regulating space (4.1) is connected to a sewage pipe (15) through a first flush drain pipe (14) supporting the first flush drain pump.

4. The storage and regulation system for both initial rain surface source pollution control and peak reduction of waterlogging according to claim 3, characterized in that: A third liquid level gauge, a third flushing valve, and a peak shaving drain pump are provided in the peak shaving control regulating space (4.2); the third liquid level gauge is electrically signal-coupled to the control system (13) and is used to send a control signal for controlling the opening and closing of the third valve (10); the peak shaving drain pump is electrically signal-coupled to the control system (13) and is used to pump and drain the rainwater in the peak shaving control regulating space (4.2); the peak shaving drain pump is matched with the peak shaving drain pipe (12); the third flushing valve is electrically signal-coupled to the control system (13).

5. The storage and regulation system with initial rain surface source pollution control and peak flow reduction for waterlogging as claimed in claim 4, characterized in that: A first liquid level gauge and a pump house pump are provided in the pump house (5); the first liquid level gauge is electrically signal-coupled to the control system (13) and is used to send a control signal for controlling the start and stop of the peak shaving drain pump and the pump house pump; the pump house pump is electrically signal-coupled to the control system (13).

6. The storage and regulation system with the functions of controlling initial rain surface source pollution and reducing peak flow of waterlogging according to claim 5, characterized in that: There are 6 pump house pumps.

7. A control method for a storage system that utilizes the storage system with combined control of first flush non-point source pollution and peak reduction of waterlogging as claimed in claim 5, characterized in that: It includes the initial rainwater storage operation process, the synchronous initial rainwater storage and peak shaving control operation process, and the peak shaving control operation process; when the predicted daily rainfall is less than or equal to the first rainfall threshold preset manually, the initial rainwater storage operation process is executed; when the predicted daily rainfall is greater than the first rainfall threshold preset manually and less than the second rainfall threshold preset manually, the synchronous initial rainwater storage and peak shaving control operation process is executed; when the predicted daily rainfall is greater than or equal to the third rainfall threshold preset manually, the peak shaving control operation process is executed.

8. The control method according to claim 7, characterized in that: The initial rainwater storage operation process includes the following steps: Sa100. Control the fourth valve (11) to close; Sa200. Before rain, control to open the second valve (8) and at the same time control to close the first valve (6); Sa300. Control the pre-rainwater to enter the grid room (2) from the inlet box culvert (1) and then preferentially enter the combined initial rainwater storage space (4.1); Sa400. When the second level gauge monitors that the liquid level in the combined initial rainwater storage space (4.1) reaches the highest control liquid level preset manually, the second level gauge sends a control signal to the control system (13) to open the first valve (6) and close the second valve (8); Sa500. Control to open the first valve (6) and control to close the second valve (8); Sa600. Control the pump room (5) to pump the rainwater out to the river; Sa700. After the rain stops, control the initial rainwater drainage pump to lift and drain the sewage in the combined initial rainwater storage space (4.1) to the sewage pipe (15) outside the station.

9. The control method according to claim 7, wherein: The synchronous initial rainwater storage and peak shaving control operation process includes the following steps: Sb100. Control the fourth valve (11) to close; Sb200. Before rain, control to open the second valve (8) and at the same time control to close the first valve (6); Sb300. Control the pre-rainwater to enter the grid room (2) from the inlet box culvert (1) and then preferentially enter the combined initial rainwater storage space (4.1); Sb400. When the second level gauge monitors that the liquid level in the combined initial rainwater storage space (4.1) reaches the highest control liquid level preset manually, the second level gauge sends a control signal to the control system (13) to open the first valve (6) and close the second valve (8); Sb500. Control to open the first valve (6) and control to close the second valve (8); Sb600. The first level gauge monitors the liquid level change in the pump room (5) and sequentially opens the pumps in the pump room according to the liquid level change in the pump room (5) to pump the rainwater out to the river; Sb700. Control the pumps in the pump room to operate at full load. When the water level behind the grid in the grid room (2) rises above the designed liquid level behind the grid preset manually, control the rainwater exceeding the designed liquid level behind the grid to overflow to the peak shaving control storage space (4.2) through the peak shaving storage channel (9); Sb800. Control the continuous operation of the water pumps in the pump room; when the first liquid level gauge monitors that the liquid level in the pump room (5) is lower than the artificially preset designed liquid level of the pump room, send a control signal to the control system (13) to turn on the peak shaving and emptying pump; Sb900. Control the peak shaving and emptying pump to drain the rainwater in the peak shaving control storage space (4.2) into the pump room (5), and then be pumped out to the river by the water pumps in the pump room (5); Sb1000. After the rain stops, control the fourth valve (11) to open, and then drain the silted sewage at the bottom of the peak shaving control storage space (4.2), the sewage in the initial rain combined storage space (4.1), and the flushing wastewater to the sewage pipe (15) outside the station through the initial rain emptying pump.

10. The control method according to claim 7, wherein: The peak shaving control working condition process includes the following steps: Sc100. Control the fourth valve (11) to open; Sc200. Before it rains, control to close the second valve (8) and at the same time control to open the first valve (6); Sc300. Control the pre-rainwater to enter the grille chamber (2) from the inlet culvert (1) and then preferentially enter the pump room (5); Sc400. The first liquid level gauge monitors the liquid level change in the pump room (5) and sequentially turns on the water pumps in the pump room according to the liquid level change in the pump room (5) to pump the rainwater out to the river; Sc500. Control the water pumps in the pump room to operate at full load. When the water level behind the grille in the grille chamber (2) rises above the designed water level behind the grille, control the rainwater exceeding the designed water level behind the grille to overflow to the peak shaving control storage space (4.2) through the peak shaving storage channel (9); Sc600. When the first liquid level gauge monitors that the liquid level in the pump room (5) is lower than the designed liquid level of the pump room, send a control signal to the control system (13) to turn on the peak shaving and emptying pump; Sc700. Control the peak shaving and emptying pump to drain the rainwater in the peak shaving control storage space (4.2) into the pump room (5), and then be pumped out to the river by the water pumps in the pump room (5); Sc800. After the rain stops, control the initial rain emptying pump to drain the silted sewage at the bottom and the flushing wastewater in the initial rain combined storage space (4.1) and the peak shaving control storage space (4.2) to the sewage pipe (15) outside the station.

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