Automatic rainwater collecting and distributing system

Abstract

The invention discloses an automatic rainwater collecting and distributing system which comprises a factory rainwater inspection well, an initial rainwater pool, a clean water pool and an intelligent regulation and control assembly. The initial rainwater pool is connected with the factory rainwater inspection well through a first pipeline, and a first switch valve is arranged on the initial rainwater pool; the initial state of the first switch valve is set to be opened, the clean water tank is connected with the factory rainwater inspection well through a second pipeline, a second switch valve is arranged on the clean water tank, the initial state of the second switch valve is set to be closed, the intelligent regulation and control assembly comprises a controller and a first liquid level meter, and when the first liquid level meter detects that the liquid level height in the initial rainwater tank reaches a preset value, the controller is started; the controller controls the first switch valve to be closed and controls the second switch valve to be opened. According to the automatic rainwater collecting and distributing system, initial rainwater and later clean rainwater can be automatically distributed and collected, manual participation is not needed, meanwhile, the problems of misoperation and the like caused by human factors are solved, and the reliability of distributing and collecting is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rainwater drainage equipment, in particular to an automatic rainwater collecting and distributing system. BACKGROUND

[0002] The initial rainwater refers to the rainwater generated in the initial stage of rainfall in a polluted area, which has a high degree of pollution and cannot be directly discharged to the municipal rainwater pipe network outside the factory. In order to save construction costs, the initial rainwater and the later clean rainwater are generally collected through the rainwater pipe network in industrial projects. The initial rainwater enters the initial rainwater pool, and the later clean rainwater is connected to the municipal rainwater pipe network outside the factory.

[0003] The initial rainwater and the later clean rainwater are generally switched by manual method in general factory areas, which not only increases the labor cost, but also causes misoperation due to human factors. SUMMARY

[0004] The technical problem to be solved by the present application is to provide an automatic rainwater collecting and distributing system, which can automatically distribute and collect the initial rainwater and the later clean rainwater without human intervention, reduce labor cost, and ensure the reliability of distribution and collection.

[0005] The automatic rainwater collecting and distributing system of the present application comprises a factory rainwater inspection well, an initial rainwater pool connected with the factory rainwater inspection well through a first pipeline, a first switch valve provided on the first pipeline, the initial state of the first switch valve being set to open, a clean water pool connected with the factory rainwater inspection well through a second pipeline, a second switch valve provided on the second pipeline, the initial state of the second switch valve being set to close, and an intelligent control assembly comprising a controller and a first liquid level meter, the first liquid level meter being used to detect the liquid level height in the initial rainwater pool and connected with the controller, the controller controlling the first switch valve to close and the second switch valve to open when the first liquid level meter detects that the liquid level height in the initial rainwater pool reaches a preset value.

[0006] In the automatic rainwater collection and diversion system of the embodiment of the present invention, the initial rainwater tank is connected to the factory rainwater inspection well through a first pipe, a first switch valve is provided on the first pipe, and the initial state of the first switch valve is set to open; the clear water tank is connected to the factory rainwater inspection well through a second pipe, a second switch valve is provided on the second pipe, and the initial state of the second switch valve is set to closed; the intelligent control component includes a controller and a first liquid level gauge, the first liquid level gauge is used to detect the liquid level height in the initial rainwater tank and the liquid level gauge is connected to the controller, and when the first liquid level gauge detects that the liquid level height in the initial rainwater tank reaches a preset value, the controller controls the first switch valve to close , and at the same time control the second switch valve to open, so that after it starts to rain, the initial rainwater pool can collect highly polluted initial rainwater. When the collected amount reaches the high liquid level, the subsequent rainfall reaches the standard for direct discharge. At this time, the intelligent control component automatically switches the output path of the factory rainwater inspection well to connect with the clean water pool, and disconnects it from the initial rainwater pool. The clean water pool starts to collect the later rainwater. That is, the present application can automatically collect and divert the initial rainwater and the later clean rainwater through the intelligent control system, without manual participation, reducing labor costs, and will not cause problems such as misoperation due to human factors, thereby ensuring the reliability of diversion and collection.

[0007] In some embodiments, the automatic rainwater collection and diversion system also includes a lifting pump and a clean rainwater inspection well outside the factory. The lifting pump is arranged in the clean water tank and is connected to the clean rainwater inspection well outside the factory through a pipe. The lifting pump is used to discharge the rainwater in the clean water tank into the clean rainwater inspection well outside the factory.

[0008] In some embodiments, the intelligent control component further includes a second liquid level gauge, which is used to detect the liquid level height in the clean water tank, and the controller can control the start and stop of the lifting pump according to the detection value of the second liquid level gauge.

[0009] In some embodiments, a water suction pit is provided at the bottom of the clean water tank, and the lifting pump is provided in the water suction pit.

[0010] In some embodiments, the lift pumps are multiple and spaced apart along the length of the suction pit.

[0011] In some embodiments, the second liquid level gauge is set with multiple preset values. When the detection value of the second liquid level gauge reaches different preset values, the controller controls different numbers of the lift pumps to start and stop.

[0012] In some embodiments, the clean rainwater inspection well outside the factory area is externally connected to a first main pipeline, and the outlet pipes of the plurality of lift pumps are connected in parallel to the first main pipeline;

[0013] And / or, the factory rainwater inspection well is connected with a second main pipeline, and the first pipeline and the second pipeline are connected in parallel at a port of the second main pipeline.

[0014] In some embodiments, the top of the initial rainwater pool and the clean water pool is provided with an inspection window, and a ladder is arranged at the inspection window.

[0015] In some embodiments, the intelligent control assembly further comprises a rain sensor connected with the controller, and the controller comprises a timing module, the timing module starts timing after the rain sensor detects that the rain stops, and the controller controls the first switch valve and the second switch valve to return to the initial setting when the timing module reaches the preset value t.

[0016] In some embodiments, if the rain sensor detects rain again before the timing reaches the preset value t, the timing module stops timing, and the timing module starts timing from zero again after the rain stops again. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of a rainwater automatic collection and diversion system according to an embodiment of the present application.

[0018] Figure 2 is a partial structural sectional view of a rainwater automatic collection and diversion system according to an embodiment of the present application.

[0019] REFERENCE NUMERALS:

[0020] 1-factory rainwater inspection well, 2-first switch valve, 3-second switch valve, 4-first liquid level meter, 5-electric valve, 6-first booster pump, 7-second booster pump, 8-third booster pump, 9-initial rainwater pool, 10-clean water pool, 11-second liquid level meter, 12-controller, 13-first pipeline, 14-second pipeline, 15-factory clean rainwater inspection well, 16-inspection window, 17-ladder, 18-suction pit, 19-ventilation pipe, 20-rain sensor. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0022] As shown in Figure 1 and Figure 2 As shown in Figure 1 and Figure 2 The rainwater automatic collection and diversion system according to the embodiment of the present application comprises a factory rainwater inspection well 1, an initial rainwater pool 9, a clean water pool 10, and an intelligent control assembly.

[0023] Specifically, the initial rainwater pool 9 is connected with the factory rainwater inspection well 1 through the first pipeline 13, and the first pipeline 13 is provided with the first switch valve 2, which is initially set to be opened. The clean water pool 10 is connected with the factory rainwater inspection well 1 through the second pipeline 4, and the second pipeline 4 is provided with the second switch valve 3, which is initially set to be closed. The intelligent control assembly includes a controller 12 and a first liquid level meter 4. The first liquid level meter 4 is used to detect the liquid level height in the initial rainwater pool 9 and is connected with the controller 12. When the first liquid level meter 4 detects that the liquid level height in the initial rainwater pool 9 reaches a preset value, the controller 12 controls the first switch valve 2 to be closed and controls the second switch valve 3 to be opened at the same time.

[0024] Therefore, when it starts to rain, the initial rainwater enters the initial rainwater pool 9 through the first pipeline 13. After the initial rainwater pool 9 collects rainfall for a period of time, the first liquid level meter 4 detects that the liquid level height in the initial rainwater pool 9 reaches a preset value (high liquid level). At this time, the first liquid level meter 4 sends a signal to the controller 12, the controller 12 closes the first switch valve 2, and the second switch valve 3 is started. Then, the later clean rainwater enters the clean water pool 10 through the second pipeline 4, realizing the collection and diversion of the initial rainwater and the later clean rainwater. It should be noted that when it rains in the pollution area, part of the pollutants will enter the rainwater through the scouring of the rainwater, causing the initial rainwater to be polluted. This part of the rainwater cannot be directly discharged (in the present application, the initial rainwater pool 9 receives this part of the rainwater). With the continuation of the rainfall, the pollutants will be gradually absorbed, and the pollution degree of the rainwater will become smaller and smaller until it reaches the discharge standard. The rainwater that meets the standard is received by the clean water pool 10 in the present application.

[0025] It should be noted that the preset value of the liquid level height needs to be determined according to the pollution area of the rainfall area and the rainfall, which is not limited herein.

[0026] The rainwater automatic collection and diversion system of the embodiment of the application, the initial rainwater pool 9 is connected with the factory rainwater inspection well 1 through the first pipeline 13, the first pipeline 13 is provided with the first switch valve 2, the initial state of the first switch valve 2 is set to be opened, the clean water pool 10 is connected with the factory rainwater inspection well 1 through the second pipeline 4, the second pipeline 4 is provided with the second switch valve 3, the initial state of the second switch valve 3 is set to be closed, the intelligent control assembly includes the controller 12 and the first liquid level meter 4, the first liquid level meter 4 is used for detecting the liquid level height in the initial rainwater pool 9 and the liquid level meter is connected with the controller 12, when the first liquid level meter 4 detects that the liquid level height in the initial rainwater pool 9 reaches the preset value, the controller 12 controls the first switch valve 2 to be closed, and simultaneously controls the second switch valve 3 to be opened, thereby, after it starts to rain, the initial rainwater pool 9 can collect the high-pollution initial rainwater, when the collection amount reaches the high liquid level, the subsequent rainfall reaches the direct discharge standard, at this time, the intelligent control assembly automatically switches the output path of the factory rainwater inspection well 1 to be communicated with the clean water pool 10, and disconnects the communication with the initial rainwater pool 9, and the clean water pool 10 starts to collect the later rainwater, that is, the application can automatically collect and divert the initial rainwater and the later clean rainwater through the intelligent control system, without manual participation, the labor cost is reduced, meanwhile, the misoperation caused by human factors is avoided, and the reliability of the diversion and collection is ensured.

[0027] Further, as shown in Figure 1 , further comprising a booster pump and a clean rainwater inspection well outside the factory, the booster pump is arranged in the clean water pool 10 and connected with the clean rainwater inspection well outside the factory through a pipeline, and the booster pump is used for discharging the rainwater in the clean water pool 10 into the clean rainwater inspection well outside the factory. It should be noted that the rainwater pipe network is a gravity flow pipeline, if the factory is large, the end of the rainwater pipe network will be buried deep, and it is difficult to connect the clean rainwater with the rainwater pipe network outside the factory, at this time, the rainwater can be discharged outside through the booster pump.

[0028] In some embodiments, the intelligent control assembly further comprises a second liquid level meter 11, the second liquid level meter 11 is used for detecting the liquid level height in the clean water pool 10, and the controller 12 can control the booster pump to start and stop according to the detection value of the second liquid level meter 11.

[0029] In other words, when the water storage in the clean water pool 10 reaches a certain height, the controller 12 can automatically control the booster pump to be opened and pressurized, so as to ensure that the rainwater in the clean water pool 10 can be discharged into the clean rainwater inspection well outside the factory in time.

[0030] Optionally, as shown in Figure 1 and Figure 2As shown, a suction pit 18 is provided at the bottom of the clean water tank 10, and a lifting pump is provided in the suction pit 18. Thus, the suction pit 18 is sunken downwards relative to the clean water tank 10 by a certain distance, and the lifting pump is provided in the suction pit 18. The height difference between the bottom of the suction pit 18 and the clean water tank 10 can be utilized to meet the water suction requirements of the lifting pump.

[0031] Preferably, the lift pumps are arranged in a plurality of intervals along the length of the suction pit 18. It is understandable that in areas with high rainfall, a large amount of rainwater will be generated in a short period of time, and multiple lift pumps can increase drainage efficiency as needed.

[0032] Furthermore, the second liquid level gauge 11 is configured with multiple preset values. When the detection value of the second liquid level gauge 11 reaches different preset values, the controller 12 controls the start and stop of different numbers of lift pumps. In other words, different liquid levels correspond to different drainage requirements. For example, when the liquid level is at a high level, multiple lift pumps need to be turned on simultaneously to achieve timely drainage. When the liquid level drops to a low level, a certain number of lift pumps can be selectively turned off. In other words, the present application uses the controller 12 to control the number of lift pumps put into operation according to different liquid levels, which can achieve demand balance, reduce power consumption, and thus reduce costs.

[0033] For example, Figure 1 and Figure 2 As shown, the present application sets three lifting pumps in the suction pit 18, namely the first lifting pump 6, the second lifting pump 7 and the third lifting pump 8. The second liquid level gauge 11 sets 4 preset values, which are low-low-low liquid level, low-low liquid level, low liquid level and high liquid level from low to high. When the liquid level of the clear water tank 10 reaches the low-low liquid level, the first lifting pump 6 is started. When the liquid level rises to the low liquid level, the second lifting pump 7 is started again. When the liquid level rises to the high liquid level, the third lifting pump 8 is started again. When the liquid level drops to the low-low liquid level, all lifting pumps are turned off.

[0034] Furthermore, an electric valve 5 is provided on the outlet pipe of the lifting pump, and the electric valve 5 can control the opening and closing and the opening degree of the pipe to adjust the flow rate.

[0035] In some embodiments, the clean rainwater inspection well 15 outside the factory is connected to a first main pipeline, and the outlet pipes of multiple lift pumps are connected in parallel to the first main pipeline. In other words, the output pipes of multiple lift pumps are connected in parallel to the same pipeline, which optimizes the pipeline layout, reduces the number of pipes and the total length, and thus reduces costs.

[0036] Optionally, the factory rainwater inspection well 1 is connected to a second main pipeline, and the first pipeline 13 and the second pipeline 4 are connected in parallel at the end of the second main pipeline. In other words, the water supply pipeline system from the factory rainwater inspection well 1 to the initial rainwater tank 9 and the clear water tank 10 adopts a one-main-multiple-branch layout, reducing the number of pipelines and lowering costs.

[0037] Preferably, if Figure 1 As shown, the tops of the initial rainwater tank 9 and the clear water tank 10 are each provided with an inspection window 16, and a ladder 17 is provided at the inspection window 16. When internal equipment (such as a lift pump or liquid level gauge) of the tank malfunctions or the tank wall breaks or leaks, maintenance personnel can enter the tank through the inspection window 16 via the ladder 17, making it easier for maintenance personnel to handle various emergencies in real time.

[0038] Preferably, both the initial rainwater pool 9 and the clear water pool 10 are provided with a vent pipe 19 to balance the pressure in the pool.

[0039] In some embodiments, the intelligent control component further includes a rain sensor 20, which is connected to the controller 12. The controller 12 also includes a timing module. When the rain sensor 20 detects that the rain has stopped, the timing module starts timing. When the timing module reaches a preset value t, the controller 12 controls the first switch valve 2 and the second switch valve 3 to restore the initial settings. It should be noted that in conventional solutions, after a rainfall cycle ends, the collection system returns to its initial state. At this time, the initial rainwater tank 9 is often in a connected state. After another rainfall, rainwater will enter the initial rainwater tank 9. However, in reality, if the time interval between the two rainfalls is short, the initial rainwater of the second rainfall is actually clean rainwater and should be discharged into the clean water tank 10 for collection. After the clean rainwater of the second rainfall enters the initial rainwater tank 9, the scale of the subsequent processing unit will increase, increasing the processing cost.

[0040] To address this problem, the present application proposes a delayed recovery design, that is, after a rainfall ends, the first switch valve 2 and the second switch valve 3 are controlled to restore the initial settings after a delay. Then, before this time period, if it rains again, since the second switch valve 3 is still in the open state, the rainwater from the second rainfall will still flow into the clear water tank 10, avoiding the problem of clean rainwater entering the initial rainwater tank 9.

[0041] That is, when the interval between two rainfalls does not exceed t, the second rainfall can be identified as clean water that meets the discharge standards. When the interval between two rainfalls exceeds t, the initial stage of the second rainfall is identified as polluted water that does not meet the discharge standards and needs to be discharged into the initial rainwater pool 9. The subsequent treatment process remains unchanged and will not be repeated here.

[0042] Furthermore, if the rain sensor 20 detects rain again before the preset timer t is reached, the timing module stops counting and restarts from zero after the rain stops. In other words, each rainfall event before the reset timer is triggered will trigger a restart, ensuring that the collection and diversion system does not experience operational disruptions.

[0043] In addition, it should be noted that the preset value t needs to be determined according to the pollution area and rainfall in the rainfall area, and is generally 3-5 days.

[0044] Specifically, taking a southern factory as an example, according to the local rainfall intensity theory, the rainwater flow is calculated as 4000L / S, the initial rainwater quantity is designed according to the rainwater quantity within 15min, the effective volume of the clean water tank 10 is designed as not less than 30s of the maximum pump flow, and the water absorption requirement of the rainwater lifting pump is met, and the effective volumes of the initial rainwater tank 9 and the clean water tank 10 are as follows:

[0045] Type m3 Initial rainwater tank 9 effective volume 3800 Clear water tank 10 effective volume 360

[0046] Three lifting pumps are selected, the single flow is 1350L / S, and the lift is 25m; the electric butterfly valve is designed in the water inlet pipe of the initial rainwater tank 9 and the clean water tank 10, the initial rainwater tank 9 and the clean water tank 10 are each designed with a liquid level meter, and the signals of the rainwater sensor 20 are transmitted to the local controller 12 together, so that the automatic diversion of the initial rainwater and the later clean rainwater and the discharge of the later clean rainwater are realized.

[0047] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0048] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0049] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection or communication with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0050] In the present application, unless specifically stated and limited otherwise, a first feature "on" or "under" a second feature can be directly in contact with the second feature, or indirectly in contact with the second feature through an intermediate medium. Also, a first feature "over", "above" and "on top of" a second feature can be directly above or obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. A first feature "under", "below" and "underneath" a second feature can be directly below or obliquely below the second feature, or simply means that the first feature is horizontally lower than the second feature.

[0051] In the present application, the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" mean that a particular feature, structure, material, or characteristic being described is included in at least one embodiment or example of the present application. The illustrative appearances of the above-mentioned terms in various places in the specification are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples. Moreover, the terms "first", "second", "third", etc. are used herein merely as identifiers for different elements, regions, layers, or sections, and are not intended to denote a spatial or chronological priority or order except if explicitly so defined. Also, the terms "comprises", "comprising", "includes", "including", or the like are used herein to generally mean comprising, including, or consisting of, unless otherwise indicated.

[0052] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary, and are not to be interpreted as limiting the present application, and that changes, modifications, substitutions and variations can be made therein by those skilled in the art without departing from the scope of the present application.

Claims

1. A rainwater automatic collection and diversion system, characterized in that: include: Rainwater inspection well in the factory area; An initial rainwater pool, wherein the initial rainwater pool is connected to the factory rainwater inspection well via a first pipe, wherein a first switch valve is provided on the first pipe, and the first switch valve is initially set to be open; A clear water tank, wherein the clear water tank is connected to the factory rainwater inspection well via a second pipe, wherein a second switch valve is provided on the second pipe, and the second switch valve is initially set to be closed; An intelligent control component includes a controller and a first liquid level gauge. The first liquid level gauge is used to detect the liquid level height in the initial rainwater tank and is connected to the controller. When the first liquid level gauge detects that the liquid level height in the initial rainwater tank reaches a preset value, the controller controls the first switch valve to close and simultaneously controls the second switch valve to open.

2. The automatic rainwater collection and diversion system according to claim 1, characterized in that: It also includes a lifting pump and a clean rainwater inspection well outside the factory. The lifting pump is arranged in the clean water tank and is connected to the clean rainwater inspection well outside the factory through a pipeline. The lifting pump is used to discharge the rainwater in the clean water tank into the clean rainwater inspection well outside the factory.

3. The automatic rainwater collection and diversion system according to claim 2, characterized in that: The intelligent control component also includes a second liquid level gauge, which is used to detect the liquid level height in the clean water tank, and the controller can control the start and stop of the lifting pump according to the detection value of the second liquid level gauge.

4. The automatic rainwater collection and diversion system according to claim 3, characterized in that: A water suction pit is provided at the bottom of the clean water tank, and the lifting pump is arranged in the water suction pit.

5. The automatic rainwater collection and diversion system according to claim 4, characterized in that: The lift pumps are multiple and spaced apart along the length direction of the water suction pit.

6. The automatic rainwater collection and diversion system according to claim 5, characterized in that: The second liquid level gauge is set with multiple preset values. When the detection value of the second liquid level gauge reaches different preset values, the controller controls different numbers of the lift pumps to start and stop.

7. The automatic rainwater collection and diversion system according to claim 1, characterized in that: The clean rainwater inspection well outside the factory area is externally connected to a first main pipeline, and the outlet pipes of the plurality of lift pumps are connected in parallel to the first main pipeline; And / or, the factory rainwater inspection well is externally connected to a second main pipeline, and the first pipeline and the second pipeline are connected in parallel at the port of the second main pipeline.

8. The automatic rainwater collection and diversion system according to claim 1, characterized in that: The tops of the initial rainwater pool and the clear water pool are both provided with inspection windows, and ladders are provided at the inspection windows.

9. The automatic rainwater collection and diversion system according to claim 1, characterized in that: The intelligent control component also includes a rain sensor, which is connected to the controller. The controller also includes a timing module. After the rain sensor detects that the rain has stopped, the timing module starts timing. When the timing module reaches a preset value t, the controller controls the first switch valve and the second switch valve to restore the initial settings.

10. The automatic rainwater collection and diversion system according to claim 9, characterized in that: Before the timing reaches the preset value t, if the rain sensor detects that it is raining again, the timing module stops timing, and after the rain stops again, the timing module starts timing again from zero.

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