CN107605004B - Drainage system with pump drainage and drainage control method - Google Patents

Drainage system with pump drainage and drainage control method Download PDF

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Publication number
CN107605004B
CN107605004B CN201710915620.1A CN201710915620A CN107605004B CN 107605004 B CN107605004 B CN 107605004B CN 201710915620 A CN201710915620 A CN 201710915620A CN 107605004 B CN107605004 B CN 107605004B
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water
outlet pipe
water outlet
facility
conservancy switch
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CN107605004A (en
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周超
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Wuhan Shengyu Drainage Systems Co Ltd
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Wuhan Shengyu Drainage Systems Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment

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Abstract

The invention discloses a drainage system with pump drainage and a drainage control method, wherein a rainy day pump and a fourth water conservancy switch are arranged in the drainage system, whether a submersible sewage pump works or not can be judged according to the water level height in a well body of a diversion well, and whether the fourth water conservancy switch is started or not can be judged, so that reasonable arrangement of water is realized. Moreover, the water treatment device can reasonably discharge water bodies with different water levels, so that the treatment effect is maximized. The drainage system is particularly suitable for the condition that a pipeline going to the natural water body or the natural water body is in a high topography and can not be discharged by gravity, and the water body in the well body of the diversion well is discharged to the natural water body lifting pipe in a pump discharge mode through a rainy day pump arranged in the drainage system, so that the natural water body is forcedly discharged to the natural water body.

Description

Drainage system with pump drainage and drainage control method
Technical Field
The invention belongs to the technical field of drainage, and particularly relates to a drainage system with a pump drainage function and a drainage control method.
Background
At present, drainage systems of cities and building groups mainly comprise a diversion system, a confluence system and a mixed flow system, and the main purpose of the drainage systems is to collect, convey and treat water bodies. For example, a system for treating all waste water in one way is called a combined system. It has only one drainage system, called confluence system, and its drainage pipeline is called confluence pipeline. The system for treating wastewater with different properties in different ways is called split system, and generally has two drainage systems. One, which may be referred to as a rainwater system, is used to collect rainwater and low-pollution industrial wastewater that is directly discharged from a water body without treatment, and the pipeline is called a rainwater pipeline. Another type of system may be called a sewage system, in which domestic sewage is collected and industrial waste water which needs to be treated before it is discharged, and a pipeline thereof is called a sewage pipeline. The mixed flow system is a system between the split flow system and the combined flow system, and is mainly caused by that part of pipelines are connected in a staggered manner, mixed manner and the like in the split flow system area, so that wastewater with different properties appears in part of pipelines, namely, a rainwater pipeline or a sewage pipeline is actually changed into a combined flow pipeline. The wastewater in municipal sewage pipelines and converging pipelines is often referred to collectively as municipal wastewater.
With the advent of modern house sanitary equipment and high-rise buildings, the population is dense, and the feces are conveyed by water flow, so that the strength of urban sewage is greatly increased; in addition, the industrial wastewater is greatly increased, and intolerable pollution is caused in rivers and lakes near the city. And then, adding a sewage treatment plant, connecting the sewage treatment plant with each water outlet by using a pipeline, and collecting and treating the wastewater in each drainage main pipe by using the sewage treatment plant to form a closure type converging system. The pipeline which is connected with the water outlet and intercepts wastewater to the sewage treatment plant is called an intercepting pipeline or a sewage intercepting pipeline.
The amount of wastewater suddenly increases during rainfall, and if all the wastewater is trapped, the interception pipeline and the sewage treatment plant are inevitably required to be large in scale, and engineering cost is excessively increased. The manhole at the intersection of the drain main and the cutoff pipe is typically replaced with a diverter well. The structure of the diversion well can have different designs, but the current design is not perfect, and no improvement is made for different sewage and rain water quantities. In dry seasons, only sewage is contained in the pipe, so that the sewage can be caught by the diversion well and flows to the sewage pipe; during rainy season, part of rainwater and sewage are caught and flow into the sewage pipe, and the rest rainwater overflows through the well weir and flows to the downstream. For the flow direction of rainwater and sewage, most of the current control methods are controlled by adopting water level or rainfall, but the current water level control method or rainfall control method is not good in diversion control of the rainwater and the sewage, or a large amount of initial rainwater is discharged into natural water, or a large amount of later rainwater enters a sewage treatment plant through a sewage interception pipe, so that the significance of diversion wells is lost.
In addition to these drawbacks, the current diverter wells have the following problems: the water flowing into the diversion wells is generally discharged to the downstream end (such as a sewage treatment plant or natural water body) through the action of gravity, but because the application places of the diversion wells are wide, the water in each diversion well cannot be ensured to be discharged to the downstream end completely by gravity. When the diversion well is set at a low topography, the prior art on how to drain the water in the well body does not have a technology and a setting for solving the problem.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a drainage system with a pump drainage and a drainage control method, wherein the drainage system can be used for intercepting and diverting rainwater and/or converging sewage, and can effectively solve the problem that the water body in a diversion well cannot be discharged by gravity to a natural water body.
The invention provides the following technical scheme:
a drainage system, the drainage system comprising:
the diversion well is arranged at the water inlet, the sewage interception port and the water outlet of the diversion well body;
the shunt well comprises: the fourth water conservancy switch is arranged close to the water outlet and is used for controlling the water passing quantity passing through the water outlet;
The drain pipe of the rainwater pump extends to the outside of the well body of the diversion well and is connected with the natural water body lifting pipe.
According to the invention, the drainage system further comprises a control system comprising a monitoring device and a control unit; the monitoring device is in signal connection with the control unit, and the control unit is in signal connection with the rainwater pump and the fourth water conservancy switch; the signal monitored by the monitoring device is transmitted to the control unit, and the control unit receives the signal and controls the opening of the rainwater pump and the opening of the fourth water conservancy switch.
According to the invention, the number of the rainwater pumps can be a plurality of the rainwater pumps connected in series or in parallel.
According to the invention, the plurality of rainwater pumps can adopt the same or different flow settings.
According to the invention, the specific position of the rainwater pump at the bottom of the well body of the diversion well is not limited, and the rainwater pump can be specifically selected according to the arrangement of the natural water body lifting pipe; preferably near one side of the natural water body lifting pipe, the drain pipe of the rainwater pump can be used for directly draining the water body into the natural water body lifting pipe, and then draining the water body into the natural water body.
According to the invention, the rainwater pump is arranged at the upstream of the fourth water conservancy switch and is positioned close to the bottom of the well body of the diversion well.
According to the invention, the sewage interception port is connected to a pipeline leading to a sewage treatment plant, preferably by a pipeline or gallery.
According to the invention, the natural water body lifting pipe is connected with a pipeline leading to the natural water body through a water outlet pipe.
According to the invention, the water outlet is connected with a pipeline leading to the natural water body through a water outlet pipe.
According to the invention, the monitoring device comprises a device for monitoring the water body liquid level, and the device for monitoring the water body liquid level comprises a liquid level sensor, a liquid level meter, a liquid level switch and the like.
According to the invention, the device for monitoring the water body liquid level is arranged in the well body of the diversion well.
According to the invention, the drainage system further comprises a slag dragging device, and the slag dragging device is arranged at one end close to the water inlet.
The slag dragging device is arranged at one end close to the water inlet, and water flows through the slag dragging device to be filtered, and then flows into the well body, for example, is discharged through the water outlet or is pumped and discharged by a rainy day pump.
According to the invention, the slag scooping device comprises one or a combination of a plurality of slag blocking filter screens, grids, floating baffle plates, fixed baffle plates and slag blocking pontoons.
According to the invention, the drainage system further comprises a regulation facility; the storage regulation facility is arranged on the water outlet pipe or on a branch which is separated from the water outlet pipe.
When the regulation facility is arranged on the water outlet pipe branch, a sixth water conservancy switch is arranged on the water outlet pipe at the downstream end of the branching position of the water outlet pipe branch. The sixth water conservancy switch is connected with the control unit in a signal mode, and the control unit controls the opening of the sixth water conservancy switch according to the received signal.
When the capacity of the regulation facility reaches the upper accommodation limit, water flows into the downstream end of the water outlet pipe from the outlet end of the regulation facility.
When the regulation facility is arranged on the branch of the water outlet pipe; the flow direction of the water body is adjusted by adjusting the opening of the sixth water conservancy switch; when the sixth water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to natural water, and part of water flows through a branch arranged beside the water outlet pipe and enters the regulation and storage facility for temporary storage; when the sixth water conservancy switch is in a cut-off state, all water flows through the branch to enter the regulation facility for temporary storage; when the capacity of the regulation facility reaches the upper limit of accommodation, all water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water body.
According to the invention, the drainage system further comprises an on-line treatment facility; the on-line treatment facility is arranged on the water outlet pipe or on a branch which is separated from the water outlet pipe pipeline and the terminal of which is integrated into the water outlet pipe pipeline; or is arranged on a branch which is separated from the water outlet pipe line and the terminal is communicated with the natural water body.
When the online processing facility is arranged on a branch line of the water outlet pipe line, the terminal of which is integrated into the water outlet pipe line, a seventh water conservancy switch is arranged on the water outlet pipe line between the branch line dividing and the integrated position; or when the online treatment facility is arranged on the branch road of the water outlet pipe pipeline which is separated and the terminal is communicated with the natural water body, a seventh water conservancy switch is arranged on the water outlet pipe pipeline at the downstream end of the branch road separation position. The seventh water conservancy switch is connected with the control unit in a signal mode, and the control unit controls the opening of the seventh water conservancy switch according to the received signal.
When the online treatment facility is arranged on the water outlet pipe line; the water body flows through the water outlet pipe and flows into the online treatment facility from the inlet end of the online treatment facility, and after being treated, flows into the downstream end of the water outlet pipe from the outlet end of the online treatment facility.
When the online treatment facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is adjusted by adjusting the opening of the seventh water conservancy switch; when the seventh water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water, part of water flows through a branch arranged beside the water outlet pipe and enters the on-line treatment facility from the inlet end of the on-line treatment facility, and after treatment, the water flows into the downstream end of the water outlet pipe from the outlet end of the on-line treatment facility or is directly discharged to the pipeline leading to the natural water; when the seventh water conservancy switch is in a cut-off state, all water flows through the branch passage to enter the online treatment facility through the inlet end of the online treatment facility, and after being treated, flows into the downstream end of the water outlet pipe from the outlet end of the online treatment facility or is directly discharged to a pipeline leading to the natural water body.
According to the invention, when the drainage system comprises the regulation facility, the drainage system can also comprise an integrated treatment facility; the integrated treatment facility is connected to an outlet end of the regulation facility, and the integrated treatment facility can treat the water body stored in the regulation facility.
According to the invention, the fourth hydraulic switch is respectively and independently selected from one of a valve (ball valve, gate valve, knife gate valve, butterfly valve, lifting rubber plate shutoff check valve and the like), a gate (upper opening gate, lower opening gate and the like), a weir gate (upper opening weir gate, hydraulic lower opening weir gate, rotary weir gate and the like) and a flap gate (shutoff flap gate and the like).
According to the invention, the sixth hydraulic switch and the seventh hydraulic switch are each independently selected from one of a valve (ball valve, gate valve, knife gate valve, butterfly valve, lifting rubber plate shutoff check valve, etc.), a gate (upper open gate, lower open gate, etc.), a weir gate (upper open weir gate, hydraulic lower open weir gate, rotary weir gate, etc.), a flap gate (shutoff flap gate, etc.).
The sixth hydraulic switch can realize the maximum flow limiting function, namely, the flow passing through the sixth hydraulic switch is ensured not to exceed the set flow value.
The seventh hydraulic switch can realize the maximum flow limiting function, namely, the flow passing through the seventh hydraulic switch is ensured not to exceed the set flow value.
According to the invention, those skilled in the art will understand that the shapes and opening sizes of the water inlet, the sewage interception port and the water outlet are not particularly limited, and the shapes of the water inlet, the sewage interception port and the water outlet can be matched with the shapes of pipelines connected with the water inlet, the sewage interception port and the water outlet or the shapes of water conservancy switches arranged with the water inlet, the sewage interception port and the water outlet. For example, the water inlet, the sewage interception port and the water outlet are circular in shape.
According to the invention, the arrangement sequence and arrangement mode of the water inlet, the sewage interception port and the water outlet in the well body of the diversion well are not limited, and the relative positions of the water inlet, the sewage interception port and the water outlet can be designed according to the internal structure and the topography of the well body of the diversion well in a highly reasonable manner.
According to the invention, it will be understood by those skilled in the art that the shape of the well body of the diversion well is not particularly limited, and reasonable drainage of the water body can be achieved, for example, the shape of the well body of the diversion well is square or circular.
According to the invention, the number and arrangement of the regulation facilities in the system are not particularly limited, and a plurality of storage facilities in series or parallel can be used; the specific arrangement mode can be reasonably arranged according to the area of the area using the system.
According to the present invention, it will be appreciated by those skilled in the art that the deposit facility may be one known in the art, including, for example, a reservoir, a deposit box culvert, a deep tunnel or shallow tunnel, etc.
In accordance with the present invention, those skilled in the art will appreciate that the number and arrangement of the in-line processing facilities in the system are not particularly limited, and may be a plurality of in-line processing facilities connected in series or parallel; the specific arrangement mode can be reasonably arranged according to the area of the area using the system.
According to the present invention, it will be appreciated by those skilled in the art that the on-line treatment facility may be an on-line treatment facility known in the art, including, for example, a biological filter, an on-line treatment tank, a flocculation tank, an inclined plate sedimentation tank, a grit chamber, a constructed wetland, or the like.
In accordance with the present invention, it will be appreciated by those skilled in the art that the integrated treatment facility may be an integrated treatment facility known in the art, including, for example, an integrated sewage treatment station or the like.
In accordance with the present invention, those skilled in the art will appreciate that the number and arrangement of the integrated treatment facilities in the system are not particularly limited, and may be a plurality of integrated treatment facilities connected in series or parallel; the specific arrangement mode can be reasonably arranged according to the area of the area using the system.
The invention also provides a drainage control method controlled by a water level method, the drainage control method is based on the drainage system, the drainage system comprises a control system, a monitoring device in the control system comprises a device for monitoring the water body liquid level and is arranged in a well body of a diversion well, and the warning water level H2 of the diversion well is set in a control unit of the control system; the method comprises the following steps:
1a) Water enters the diversion well from the water inlet, the liquid level H in the well body of the diversion well is monitored in real time through a device for monitoring the liquid level of the water, and the liquid level H4 of the natural water at the downstream end of the water outlet is monitored in real time through a device for monitoring the liquid level of the water;
2a) When H is smaller than H2, the fourth water conservancy switch is in a cut-off state, and the rainy day pump is turned off; at the moment, the water body in the well body of the diversion well is discharged to a sewage treatment plant for treatment through the sewage interception port;
3a) When H is more than or equal to H2 and H is more than or equal to H4, the fourth water conservancy switch is in an on state, and the rainy day pump is turned off; the water body flows out from the water outlet and is discharged into the natural water body;
4a) When H is more than or equal to H2 and H is less than or equal to H4, the fourth water conservancy switch is in a cut-off state, and the rainy day pump is started; the water body is pumped and discharged into the natural water body by the pump in rainy days.
According to the invention, in step 4 a), the level h5 of the rainy pump stop is set according to the necessary pump on and off time intervals required by the rainy pump and the pump discharge capacity of the rainy pump; when H < H5, the rainy day pump is turned off.
According to the invention, when the drainage system comprises a regulation facility, the method further comprises the steps of:
when the fourth water conservancy switch is in an on state and the regulation facility is arranged on the water outlet pipeline, water flows through the water outlet pipe and flows into the regulation facility from the inlet end of the regulation facility for storage, and when the capacity of the regulation facility reaches the accommodating upper limit, water flows into the downstream end of the water outlet pipe from the outlet end of the regulation facility.
When the fourth water conservancy switch is in an on state and the regulation facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is regulated by regulating the opening of the sixth water conservancy switch; when the sixth water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to natural water, and part of water flows through a branch arranged beside the water outlet pipe and enters the regulation and storage facility for temporary storage; when the sixth water conservancy switch is in a cut-off state, all water flows through a branch arranged beside the water outlet pipe to enter a regulation facility for temporary storage; when the capacity of the regulation facility reaches the upper limit of accommodation, all water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water.
According to the invention, when the drainage system comprises a regulation facility and an integrated treatment facility, the method comprises the following steps:
When the fourth water conservancy switch is in an on state and the regulation facility is arranged on the water outlet pipe pipeline, water flows through the water outlet pipe and flows into the regulation facility from the inlet end of the regulation facility for storage, and when the capacity of the regulation facility reaches the upper accommodation limit, water flows into the downstream end of the water outlet pipe from the outlet end of the regulation facility; meanwhile, the water body stored in the regulation facility is directly discharged to a pipeline leading to the natural water body after being treated by the integrated treatment facility.
When the fourth water conservancy switch is in an on state and the regulation facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is regulated by regulating the opening of the sixth water conservancy switch; when the sixth water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to natural water, and part of water flows through a branch arranged beside the water outlet pipe and enters the regulation and storage facility for temporary storage; when the sixth water conservancy switch is in a cut-off state, all water flows through a branch arranged beside the water outlet pipe to enter a regulation facility for temporary storage; when the capacity of the regulation facility reaches the upper limit of accommodation, all water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water; meanwhile, the water body stored in the regulation facility is directly discharged to a pipeline leading to the natural water body after being treated by the integrated treatment facility.
According to the invention, when the drainage system comprises an on-line treatment facility, the method further comprises the steps of:
when the fourth water conservancy switch is in an on state and the on-line treatment facility is arranged on the water outlet pipe line; the water body flows through the water outlet pipe and flows into the online treatment facility from the inlet end of the online treatment facility, and after being treated, flows into the downstream end of the water outlet pipe from the outlet end of the online treatment facility.
When the fourth water conservancy switch is in an on state and the on-line treatment facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is adjusted by adjusting the opening of the seventh water conservancy switch; when the seventh water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water, part of water flows through a branch arranged beside the water outlet pipe and enters the on-line treatment facility from the inlet end of the on-line treatment facility, and after treatment, the water flows into the downstream end of the water outlet pipe from the outlet end of the on-line treatment facility or is directly discharged to the pipeline leading to the natural water; when the seventh water conservancy switch is in a cut-off state, all water flows through a branch arranged beside the water outlet pipe and enters the online treatment facility from the inlet end of the online treatment facility, and after treatment, the water flows into the downstream end of the water outlet pipe from the outlet end of the online treatment facility or is directly discharged to a pipeline leading to natural water.
According to the invention, the warning water level H2 of the diversion well is set in the control unit of the control system according to the height of the lowest point of the topography in the corresponding water receiving area of the diversion well when the risk of water accumulation occurs.
According to the invention, the device for monitoring the water body liquid level is a liquid level sensor, a liquid level meter, a liquid level switch and the like.
The water conservancy switch is in an on state, which means that water can flow to natural water through the water conservancy switch. The water conservancy switch is in a cut-off state, namely the opening degree of the water conservancy switch is adjusted, so that the water body is cut off at the upstream end of the fourth water conservancy switch, and the water cannot flow to the natural water body through the water conservancy switch.
In the description of the present invention, it should be noted that the terms "fourth," "sixth," and "seventh" are used for descriptive purposes only and are not intended to indicate or imply relative importance.
The invention has the beneficial effects that:
1) According to the drainage system with the pump drainage, the rainy day pump and the fourth water conservancy switch are arranged, whether the rainy day pump works or not can be judged according to the water level height in the well body of the diversion well, and whether the fourth water conservancy switch is started or not can be judged, so that reasonable arrangement of the water body is achieved. When the natural water body is in a high topography, the water body can be discharged into the natural water body through the water discharge treatment by the combined water discharge mode of the pump discharge weighting force discharge, so that waterlogging is avoided. Moreover, the water treatment device can reasonably discharge water bodies with different water levels, so that the treatment effect is maximized.
2) The drainage system is particularly suitable for the condition that pipelines going to natural water bodies or the natural water bodies are in high topography and cannot be discharged by gravity, and the water bodies in the well bodies of the diversion wells are discharged to the natural water body lifting pipes in a pump discharge mode through the rainy day pump arranged in the drainage system, so that the natural water bodies are forcedly discharged to the natural water bodies.
3) The drainage system has the effect of intelligent drainage, and smooth drainage of the water body is realized by regulating and controlling the water body liquid level height in the well body of the diversion well, the opening degree of the fourth water conservancy switch and the like, so that the safety of flood discharge is ensured, and meanwhile, dirty water or initial rainwater is intercepted to the greatest extent and reaches a sewage treatment plant.
4) The drainage system has the advantages of small occupied area, powerful functions and the like, and can realize effective separation treatment of rainwater and sewage by using a small amount of land area.
5) The water outlet of the drainage system can be provided with an on-line treatment facility and/or a regulation facility and an optional integrated treatment facility; the on-line treatment facility and/or the regulation facility and the optional integrated treatment facility can effectively solve the dirty water which is still mixed when the fourth water conservancy switch is started and can pollute the natural water, and the diversion treatment of the initial rainwater and the middle and later rainwater is achieved thoroughly.
6) The drainage control method effectively solves the problem that the water in the diversion well cannot realize gravity drainage in the prior art. Through reasonable control of drainage paths of dirty water, initial rainwater and middle and later rainwater, dirty water is stopped to a sewage treatment plant to the greatest extent, and cleaner water is drained to a natural water body.
Drawings
FIG. 1 is a front view of a drainage system according to a preferred embodiment of the present invention;
FIG. 2 is a top view of a drainage system according to a preferred embodiment of the present invention;
wherein, 1-water inlet; 2-a water outlet; 3-splitting the well body; 4-a fourth water conservancy switch; 5-a rainy day pump; 6, a sewage interception port; 7-a slag dragging device; 8-a drain pipe; 10-natural water body lifting pipe.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications of the invention will become apparent to those skilled in the art upon reading the description herein, and such equivalents are intended to fall within the scope of the invention as defined by the appended claims.
Example 1
As shown in fig. 1 and 2, a drainage system, comprising: the diversion well is arranged at the water inlet, the sewage interception port and the water outlet of the diversion well body;
The shunt well comprises: the fourth water conservancy switch is arranged close to the water outlet and is used for controlling the water passing quantity passing through the water outlet;
the drain pipe of the rainwater pump extends to the outside of the well body of the diversion well and is connected with the natural water body lifting pipe.
In a preferred embodiment of the invention, the drainage system further comprises a control system comprising a monitoring device and a control unit; the monitoring device is in signal connection with the control unit, and the control unit is in signal connection with the rainwater pump and the fourth water conservancy switch; the signal monitored by the monitoring device is transmitted to the control unit, and the control unit receives the signal and controls the opening of the rainwater pump and the opening of the fourth water conservancy switch.
In a preferred embodiment of the invention, the number of rainwater pumps may be a plurality in series or in parallel.
In a preferred embodiment of the present invention, the plurality of rainwater pumps may employ the same or different flow settings.
In a preferred embodiment of the invention, the specific position of the rainwater pump at the bottom of the well body of the diversion well is not limited, and the rainwater pump can be specifically selected according to the arrangement of a natural water body lifting pipe; preferably near one side of the natural water body lifting pipe, the drain pipe of the rainwater pump can be used for directly draining the water body into the natural water body lifting pipe, and then draining the water body into the natural water body.
In a preferred embodiment of the invention, the rainwater pump is arranged upstream of the fourth hydraulic switch and is positioned close to the bottom of the well body of the diversion well.
In a preferred embodiment of the invention, the sewage interception port is connected to a pipeline leading to a sewage treatment plant, preferably by a pipeline or gallery.
In a preferred embodiment of the invention, the natural water body riser is connected to a pipeline leading to the natural water body through a water outlet pipe.
In a preferred embodiment of the invention, the water outlet is connected to a pipeline leading to the natural body of water via a water outlet pipe.
In a preferred embodiment of the invention, the monitoring device comprises a device for monitoring the water body liquid level, and the device for monitoring the water body liquid level comprises a liquid level sensor, a liquid level meter, a liquid level switch and the like.
In a preferred embodiment of the invention, the means for monitoring the water level is disposed within the well of the diversion well.
In a preferred embodiment of the present invention, the drainage system further comprises a slag scooping device, and the slag scooping device is disposed at one end near the water inlet.
The slag dragging device is arranged at one end close to the water inlet, and water flows through the slag dragging device to be filtered, and then flows into the well body, for example, is discharged through the water outlet or is pumped and discharged by a rainy day pump.
In a preferred embodiment of the invention, the slag scooping device comprises one or a combination of a plurality of slag blocking filter screens, grids, floating baffles, fixed baffles and slag blocking pontoons.
Example 2
The present embodiment provides a drainage system including the drainage system of embodiment 1, the drainage system further including a regulation facility; the storage regulation facility is arranged on the water outlet pipe or on a branch which is separated from the water outlet pipe.
When the regulation facility is arranged on the water outlet pipe branch, a sixth water conservancy switch is arranged on the water outlet pipe at the downstream end of the branching position of the water outlet pipe branch. The sixth water conservancy switch is connected with the control unit in a signal mode, and the control unit controls the opening of the sixth water conservancy switch according to the received signal.
When the capacity of the regulation facility reaches the upper accommodation limit, water flows into the downstream end of the water outlet pipe from the outlet end of the regulation facility.
When the regulation facility is arranged on the branch of the water outlet pipe; the flow direction of the water body is adjusted by adjusting the opening of the sixth water conservancy switch; when the sixth water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to natural water, and part of water flows through a branch arranged beside the water outlet pipe and enters the regulation and storage facility for temporary storage; when the sixth water conservancy switch is in a cut-off state, all water flows through the branch to enter the regulation facility for temporary storage; when the capacity of the regulation facility reaches the upper limit of accommodation, all water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water body.
Example 3
The present embodiment provides a drainage system comprising the drainage system of embodiment 1, further comprising an on-line treatment facility; the on-line treatment facility is arranged on the water outlet pipe or on a branch which is separated from the water outlet pipe pipeline and the terminal of which is integrated into the water outlet pipe pipeline; or is arranged on a branch which is separated from the water outlet pipe line and the terminal is communicated with the natural water body.
When the online processing facility is arranged on a branch line of the water outlet pipe line, the terminal of which is integrated into the water outlet pipe line, a seventh water conservancy switch is arranged on the water outlet pipe line between the branch line dividing and the integrated position; or when the online treatment facility is arranged on the branch road of the water outlet pipe pipeline which is separated and the terminal is communicated with the natural water body, a seventh water conservancy switch is arranged on the water outlet pipe pipeline at the downstream end of the branch road separation position. The seventh water conservancy switch is connected with the control unit in a signal mode, and the control unit controls the opening of the seventh water conservancy switch according to the received signal.
When the online treatment facility is arranged on the water outlet pipe line; the water body flows through the water outlet pipe and flows into the online treatment facility from the inlet end of the online treatment facility, and after being treated, flows into the downstream end of the water outlet pipe from the outlet end of the online treatment facility.
When the online treatment facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is adjusted by adjusting the opening of the seventh water conservancy switch; when the seventh water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water, part of water flows through a branch arranged beside the water outlet pipe and enters the on-line treatment facility from the inlet end of the on-line treatment facility, and after treatment, the water flows into the downstream end of the water outlet pipe from the outlet end of the on-line treatment facility or is directly discharged to the pipeline leading to the natural water; when the seventh water conservancy switch is in a cut-off state, all water flows through the branch passage to enter the online treatment facility through the inlet end of the online treatment facility, and after being treated, flows into the downstream end of the water outlet pipe from the outlet end of the online treatment facility or is directly discharged to a pipeline leading to the natural water body.
Example 4
The present embodiment provides a drainage system including the drainage system of embodiment 2, which may further include an integrated treatment facility; the integrated treatment facility is connected to an outlet end of the regulation facility, and the integrated treatment facility can treat the water body stored in the regulation facility.
In the above embodiments 1 to 4, the fourth hydraulic switch is independently selected from one of a valve (ball valve, gate valve, knife gate valve, butterfly valve, elevation type rubber plate shutoff check valve, etc.), a gate (upper open gate, lower open gate, etc.), a weir gate (upper open weir gate, hydraulic lower open weir gate, rotary weir gate, etc.), and a flap gate (shutoff flap gate, etc.), respectively.
In the above embodiments 1 to 4, the sixth hydraulic switch and the seventh hydraulic switch are each independently selected from one of a valve (ball valve, gate valve, knife gate valve, butterfly valve, elevation type rubber plate shutoff check valve, etc.), a gate (upper open gate, lower open gate, etc.), a weir gate (upper open weir gate, hydraulic lower open weir gate, rotary weir gate, etc.), and a flap gate (shutoff flap gate, etc.).
The sixth hydraulic switch can realize the maximum flow limiting function, namely, the flow passing through the sixth hydraulic switch is ensured not to exceed the set flow value.
The seventh hydraulic switch can realize the maximum flow limiting function, namely, the flow passing through the seventh hydraulic switch is ensured not to exceed the set flow value.
In the above embodiments 1 to 4, it will be understood by those skilled in the art that the shapes and opening sizes of the water inlet, the sewage interception port and the water outlet are not particularly limited, and may be matched with the shape of the pipeline connected thereto or the shape of the water conservancy switch arranged thereto. For example, the water inlet, the sewage interception port and the water outlet are circular in shape.
In the above embodiments 1 to 4, it will be understood by those skilled in the art that the arrangement sequence and arrangement manner of the water inlet, the sewage interception port and the water outlet in the well body of the diversion well are not limited, and the relative positions of the water inlet, the sewage interception port and the water outlet may be designed with high rationality according to the internal structure and the topography of the well body of the diversion well.
In the above embodiments 1 to 4, it will be understood by those skilled in the art that the shape of the well body of the diversion well is not particularly limited, and reasonable drainage of the water body may be achieved, for example, the shape of the well body of the diversion well is square or circular.
In the above embodiments 1 to 4, it will be understood by those skilled in the art that the number and arrangement of the storage facilities in the system are not particularly limited, and may be a plurality of storage facilities connected in series or parallel; the specific arrangement mode can be reasonably arranged according to the area of the area using the system.
In the above embodiments 1-4, it will be appreciated by those skilled in the art that the reservoir facility may be a reservoir facility known in the art, including, for example, a reservoir box, a deep tunnel, a shallow tunnel, or the like.
In the above embodiments 1 to 4, it will be understood by those skilled in the art that the number and arrangement of the in-line processing facilities in the system are not particularly limited, and may be a plurality of in-line processing facilities connected in series or in parallel; the specific arrangement mode can be reasonably arranged according to the area of the area using the system.
In the above embodiments 1 to 4, it will be understood by those skilled in the art that the on-line treatment facility may be an on-line treatment facility known in the art, including, for example, a biological filter, an on-line treatment tank, a flocculation tank, an inclined plate sedimentation tank, a grit chamber, an artificial wetland, or the like.
In the above embodiments 1-4, it will be appreciated by those skilled in the art that the integrated treatment facility may be an integrated treatment facility known in the art, including, for example, an integrated sewage treatment station, etc.
In the above embodiments 1 to 4, it will be understood by those skilled in the art that the number and arrangement of the integrated treatment facilities in the system are not particularly limited, and may be a plurality of integrated treatment facilities connected in series or parallel; the specific arrangement mode can be reasonably arranged according to the area of the area using the system.
Example 5
The invention also provides a drainage control method controlled by a water level method, which is based on the drainage system of the embodiment 1, wherein the drainage system comprises a control system, a monitoring device in the control system comprises a device for monitoring the water body liquid level and is arranged in a well body of a diversion well, and a warning water level H2 of the diversion well is set in a control unit of the control system; the method comprises the following steps:
1a) Water enters the diversion well from the water inlet, the liquid level H in the well body of the diversion well is monitored in real time through a device for monitoring the liquid level of the water, and the liquid level H4 of the natural water at the downstream end of the water outlet is monitored in real time through a device for monitoring the liquid level of the water;
2a) When H is smaller than H2, the fourth water conservancy switch is in a cut-off state, and the rainy day pump is turned off; at the moment, the water body in the well body of the diversion well is discharged to a sewage treatment plant for treatment through the sewage interception port;
3a) When H is more than or equal to H2 and H is more than or equal to H4, the fourth water conservancy switch is in an on state, and the rainy day pump is turned off; the water body flows out from the water outlet and is discharged into the natural water body;
4a) When H is more than or equal to H2 and H is less than or equal to H4, the fourth water conservancy switch is in a cut-off state, and the rainy day pump is started; the water body is pumped and discharged into the natural water body by the pump in rainy days.
In a preferred embodiment of the invention, in step 4 a), the level h5 of the rainy pump stop is set according to the necessary pump on and off time intervals required by the rainy pump and the pump discharge capacity of the rainy pump; when H < H5, the rainy day pump is turned off.
In a preferred embodiment of the present invention, when the drainage system comprises a regulation facility, the method further comprises the steps of:
when the fourth water conservancy switch is in an on state and the regulation facility is arranged on the water outlet pipeline, water flows through the water outlet pipe and flows into the regulation facility from the inlet end of the regulation facility for storage, and when the capacity of the regulation facility reaches the accommodating upper limit, water flows into the downstream end of the water outlet pipe from the outlet end of the regulation facility.
When the fourth water conservancy switch is in an on state and the regulation facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is regulated by regulating the opening of the sixth water conservancy switch; when the sixth water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to natural water, and part of water flows through a branch arranged beside the water outlet pipe and enters the regulation and storage facility for temporary storage; when the sixth water conservancy switch is in a cut-off state, all water flows through a branch arranged beside the water outlet pipe to enter a regulation facility for temporary storage; when the capacity of the regulation facility reaches the upper limit of accommodation, all water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water.
In a preferred embodiment of the present invention, when the drainage system includes a regulation facility and an integrated treatment facility, the method includes the steps of:
when the fourth water conservancy switch is in an on state and the regulation facility is arranged on the water outlet pipe pipeline, water flows through the water outlet pipe and flows into the regulation facility from the inlet end of the regulation facility for storage, and when the capacity of the regulation facility reaches the upper accommodation limit, water flows into the downstream end of the water outlet pipe from the outlet end of the regulation facility; meanwhile, the water body stored in the regulation facility is directly discharged to a pipeline leading to the natural water body after being treated by the integrated treatment facility.
When the fourth water conservancy switch is in an on state and the regulation facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is regulated by regulating the opening of the sixth water conservancy switch; when the sixth water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to natural water, and part of water flows through a branch arranged beside the water outlet pipe and enters the regulation and storage facility for temporary storage; when the sixth water conservancy switch is in a cut-off state, all water flows through a branch arranged beside the water outlet pipe to enter a regulation facility for temporary storage; when the capacity of the regulation facility reaches the upper limit of accommodation, all water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water; meanwhile, the water body stored in the regulation facility is directly discharged to a pipeline leading to the natural water body after being treated by the integrated treatment facility.
In a preferred embodiment of the present invention, when the drainage system comprises an on-line treatment facility, the method further comprises the steps of:
when the fourth water conservancy switch is in an on state and the on-line treatment facility is arranged on the water outlet pipe line; the water body flows through the water outlet pipe and flows into the online treatment facility from the inlet end of the online treatment facility, and after being treated, flows into the downstream end of the water outlet pipe from the outlet end of the online treatment facility.
When the fourth water conservancy switch is in an on state and the on-line treatment facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is adjusted by adjusting the opening of the seventh water conservancy switch; when the seventh water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water, part of water flows through a branch arranged beside the water outlet pipe and enters the on-line treatment facility from the inlet end of the on-line treatment facility, and after treatment, the water flows into the downstream end of the water outlet pipe from the outlet end of the on-line treatment facility or is directly discharged to the pipeline leading to the natural water; when the seventh water conservancy switch is in a cut-off state, all water flows through a branch arranged beside the water outlet pipe and enters the online treatment facility from the inlet end of the online treatment facility, and after treatment, the water flows into the downstream end of the water outlet pipe from the outlet end of the online treatment facility or is directly discharged to a pipeline leading to natural water.
In a preferred embodiment of the invention, the warning water level H2 of the diverter well is set in the control unit of the control system according to the height of the diverter well corresponding to the lowest point of the topography in the water receiving area when there is a risk of water accumulation.
In a preferred embodiment of the invention, the device for monitoring the water body liquid level is a liquid level sensor, a liquid level meter, a liquid level switch and the like.
The water conservancy switch is in an on state, which means that water can flow to natural water through the water conservancy switch. The water conservancy switch is in a cut-off state, namely the opening degree of the water conservancy switch is adjusted, so that the water body is cut off at the upstream end of the water conservancy switch, and the water cannot flow to the natural water body through the water conservancy switch.
The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (17)

1. A drainage system, the drainage system comprising: the diversion well is arranged at the water inlet, the sewage interception port and the water outlet of the diversion well body;
the shunt well comprises: the fourth water conservancy switch is arranged close to the water outlet and is used for controlling the water passing quantity passing through the water outlet;
the drain pipe of the rainwater pump extends to the outside of the well body of the diversion well and is connected with the natural water body lifting pipe;
the drainage system further comprises a control system, wherein the control system comprises a monitoring device and a control unit; the monitoring device is in signal connection with the control unit, and the control unit is in signal connection with the rainwater pump and the fourth water conservancy switch; the signal monitored by the monitoring device is transmitted to the control unit, and the control unit receives the signal and controls the opening of the rainwater pump and the opening of the fourth water conservancy switch;
The sewage interception port is connected with a pipeline leading to a sewage treatment plant; the natural water body lifting pipe is connected with a pipeline leading to the natural water body through a water outlet pipe, and the water outlet is connected with the pipeline leading to the natural water body through a water outlet pipe;
the rainwater pump is arranged at the upstream of the fourth water conservancy switch and is close to the bottom of the diversion well body;
the monitoring device comprises a device for monitoring the water body liquid level, and the device for monitoring the water body liquid level comprises a liquid level sensor, a liquid level meter or a liquid level switch; the device for monitoring the water body liquid level is arranged in the well body of the diversion well;
the drainage system further comprises a regulation facility; the storage regulation facility is arranged on the water outlet pipe line or on a branch line separated from the water outlet pipe line;
when the regulation facility is arranged on the water outlet pipe branch, a sixth water conservancy switch is arranged on the water outlet pipe at the downstream end of the branching position of the water outlet pipe branch, the sixth water conservancy switch is in signal connection with a control unit, and the control unit controls the opening of the sixth water conservancy switch according to the received signal;
the drainage system realizes drainage control by a drainage control method as follows: setting a warning water level H2 of the diversion well in a control unit of the control system; the method specifically comprises the following steps:
1a) Water enters the diversion well from the water inlet, the liquid level H in the well body of the diversion well is monitored in real time through a device for monitoring the liquid level of the water, and the liquid level H4 of the natural water at the downstream end of the water outlet is monitored in real time through a device for monitoring the liquid level of the water;
2a) When H is smaller than H2, the fourth water conservancy switch is in a cut-off state, and the rainy day pump is turned off; at the moment, the water body in the well body of the diversion well is discharged to a sewage treatment plant for treatment through the sewage interception port;
3a) When H is more than or equal to H2 and H is more than or equal to H4, the fourth water conservancy switch is in an on state, and the rainy day pump is turned off; the water body flows out from the water outlet and is discharged into the natural water body;
4a) When H is more than or equal to H2 and H is less than or equal to H4, the fourth water conservancy switch is in a cut-off state, and the rainy day pump is started; the water body is pumped and discharged into the natural water body by the pump in rainy days.
2. The drainage system of claim 1, wherein the number of rainwater pumps is a plurality in series or parallel;
and/or the plurality of rainwater pumps adopt the same or different flow settings.
3. The drainage system of claim 1, further comprising a slag scooping device disposed at an end adjacent the water inlet; the slag dragging device comprises one or a combination of a plurality of slag blocking filter screens, grids, floating baffles, fixed baffles and slag blocking pontoons.
4. The drainage system of claim 1, wherein when the drainage system comprises a regulation facility, it further comprises an integrated treatment facility; the integrated treatment facility is connected with the outlet end of the regulation facility, and the integrated treatment facility is used for treating the water body stored in the regulation facility.
5. A drainage system according to any of claims 1-3 wherein said drainage system further comprises an on-line treatment facility; the on-line treatment facility is arranged on the water outlet pipe or on a branch which is separated from the water outlet pipe pipeline and the terminal of which is integrated into the water outlet pipe pipeline; or is arranged on a branch which is separated from the water outlet pipe pipeline and the terminal is communicated with the natural water body;
when the online processing facility is arranged on a branch line which is separated from the water outlet pipe line and the terminal is integrated into the water outlet pipe line, a seventh water conservancy switch is arranged on the water outlet pipe line between the branch line separating and integrating positions; or when the online treatment facility is arranged on the branch road which is separated from the water outlet pipe pipeline and the terminal is communicated with the natural water body, a seventh water conservancy switch is arranged on the water outlet pipe pipeline at the downstream end of the branch road separating position, the seventh water conservancy switch is in signal connection with the control unit, and the control unit controls the opening of the seventh water conservancy switch according to the received signal.
6. A drainage system according to any of claims 1-3, wherein the fourth hydraulic switches are each independently selected from one of a valve, gate, slice gate, flap gate.
7. The drainage system of any of claims 6, wherein the valve is selected from a ball valve, a gate valve, a knife gate valve, a butterfly valve, or a lift rubber plate shut-off check valve; the gate is selected from an upper open gate or a lower open gate; the weir gate is selected from an upper open type weir gate, a hydraulic lower open type weir gate or a rotary type weir gate; the flap valve is selected from a closure flap valve.
8. The drainage system of claim 1 wherein the sixth hydraulic switch provides a maximum flow restriction that ensures that flow through the sixth hydraulic switch does not exceed a set flow value.
9. The drainage system of claim 5 wherein the seventh hydraulic switch provides a maximum flow restriction that ensures that flow through the seventh hydraulic switch does not exceed a set flow value.
10. The drainage system of claim 1, wherein the regulation facility is a plurality of storage facilities connected in series or parallel; the storage facilities comprise a storage pool, a storage box culvert, a deep tunnel or a shallow tunnel.
11. The drainage system of claim 5, wherein the on-line treatment facility is a plurality of on-line treatment facilities connected in series or in parallel; the online treatment facility comprises a biological filter, an online treatment tank, a flocculation tank, an inclined plate sedimentation tank, a sand setting tank or an artificial wetland.
12. The drainage system of claim 4 wherein said integrated treatment facility is a plurality of integrated treatment facilities in series or parallel; the integrated treatment facilities comprise integrated sewage treatment stations and the like.
13. A water level controlled drainage control method based on the drainage system of any one of claims 1-3, the drainage system comprising a control system, the monitoring device in the control system comprising means for monitoring the water level and being arranged in the well of the diverter well, the alert level H2 of the diverter well being set in the control unit of the control system; the method comprises the following steps:
1a) Water enters the diversion well from the water inlet, the liquid level H in the well body of the diversion well is monitored in real time through a device for monitoring the liquid level of the water, and the liquid level H4 of the natural water at the downstream end of the water outlet is monitored in real time through a device for monitoring the liquid level of the water;
2a) When H is smaller than H2, the fourth water conservancy switch is in a cut-off state, and the rainy day pump is turned off; at the moment, the water body in the well body of the diversion well is discharged to a sewage treatment plant for treatment through the sewage interception port;
3a) When H is more than or equal to H2 and H is more than or equal to H4, the fourth water conservancy switch is in an on state, and the rainy day pump is turned off; the water body flows out from the water outlet and is discharged into the natural water body;
4a) When H is more than or equal to H2 and H is less than or equal to H4, the fourth water conservancy switch is in a cut-off state, and the rainy day pump is started; the water body is pumped and discharged into the natural water body by a pump in a rainy day;
the method further comprises the steps of:
when the fourth water conservancy switch is in an on state and the regulation facility is arranged on the water outlet pipe pipeline, water flows through the water outlet pipe and flows into the regulation facility from the inlet end of the regulation facility for storage, and when the capacity of the regulation facility reaches the upper accommodation limit, water flows into the downstream end of the water outlet pipe from the outlet end of the regulation facility;
when the fourth water conservancy switch is in an on state and the regulation facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is regulated by regulating the opening of the sixth water conservancy switch; when the sixth water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to natural water, and part of water flows through a branch arranged beside the water outlet pipe and enters the regulation and storage facility for temporary storage; when the sixth water conservancy switch is in a cut-off state, all water flows through a branch arranged beside the water outlet pipe to enter a regulation facility for temporary storage; when the capacity of the regulation facility reaches the upper limit of accommodation, all water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water.
14. The method according to claim 13, characterized in that in step 4 a) the level h5 of the rainy pump stop is set according to the necessary pump on and off time intervals required for the rainy pump and the pump discharge capacity of the rainy pump; when H < H5, the rainy day pump is turned off.
15. The method according to claim 13, characterized in that the alert level H2 of the diverter well is set in the control unit of the control system on the basis of the height of the lowest point of the topography in the corresponding water receiving area of the diverter well when the risk of water accumulation occurs.
16. The method of claim 13, wherein when the drainage system includes a conditioning facility and an integrated treatment facility, the method comprises the steps of:
when the fourth water conservancy switch is in an on state and the regulation facility is arranged on the water outlet pipe pipeline, water flows through the water outlet pipe and flows into the regulation facility from the inlet end of the regulation facility for storage, and when the capacity of the regulation facility reaches the upper accommodation limit, water flows into the downstream end of the water outlet pipe from the outlet end of the regulation facility; meanwhile, the water body stored in the regulation facility is directly discharged to a pipeline leading to the natural water body after being treated by the integrated treatment facility;
when the fourth water conservancy switch is in an on state and the regulation facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is regulated by regulating the opening of the sixth water conservancy switch; when the sixth water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to natural water, and part of water flows through a branch arranged beside the water outlet pipe and enters the regulation and storage facility for temporary storage; when the sixth water conservancy switch is in a cut-off state, all water flows through a branch arranged beside the water outlet pipe to enter a regulation facility for temporary storage; when the capacity of the regulation facility reaches the upper limit of accommodation, all water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water; meanwhile, the water body stored in the regulation facility is directly discharged to a pipeline leading to the natural water body after being treated by the integrated treatment facility.
17. The method of claim 13, wherein when the drainage system comprises an on-line treatment facility, the method further comprises the steps of:
when the fourth water conservancy switch is in an on state and the on-line treatment facility is arranged on the water outlet pipe pipeline, water flows through the water outlet pipe and flows into the on-line treatment facility from the inlet end of the on-line treatment facility, and after treatment, flows into the downstream end of the water outlet pipe from the outlet end of the on-line treatment facility;
when the fourth water conservancy switch is in an on state and the on-line treatment facility is arranged on the branch of the water outlet pipe, the flow direction of the water body is adjusted by adjusting the opening of the seventh water conservancy switch; when the seventh water conservancy switch is in an on state, part of water flows through the water outlet pipe and is directly discharged to a pipeline leading to the natural water, part of water flows through a branch arranged beside the water outlet pipe and enters the on-line treatment facility from the inlet end of the on-line treatment facility, and after treatment, the water flows into the downstream end of the water outlet pipe from the outlet end of the on-line treatment facility or is directly discharged to the pipeline leading to the natural water; when the seventh water conservancy switch is in a cut-off state, all water flows through a branch arranged beside the water outlet pipe and enters the online treatment facility from the inlet end of the online treatment facility, and after treatment, the water flows into the downstream end of the water outlet pipe from the outlet end of the online treatment facility or is directly discharged to a pipeline leading to natural water.
CN201710915620.1A 2017-09-30 2017-09-30 Drainage system with pump drainage and drainage control method Active CN107605004B (en)

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CN107190842A (en) * 2017-05-27 2017-09-22 武汉圣禹排水系统有限公司 A kind of control method for shunting of accurately being removed contamination for rainwater
CN207436177U (en) * 2017-09-30 2018-06-01 武汉圣禹排水系统有限公司 A kind of drainage system with pump row

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Publication number Priority date Publication date Assignee Title
EP1731684A1 (en) * 2005-06-11 2006-12-13 KSB Aktiengesellschaft Method for sewage lifting and sewage lifting device therefor
CN102720262A (en) * 2012-06-30 2012-10-10 黄姁媛 Novel urban drainage system
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CN105804202A (en) * 2016-05-13 2016-07-27 上海安鼎济水处理科技有限公司 Measurable and dispatchable method and system used for rainwater treatment of sponge city
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