CN107605007B - Drainage system with treatment facility and drainage control method - Google Patents
Drainage system with treatment facility and drainage control method Download PDFInfo
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- CN107605007B CN107605007B CN201710917875.1A CN201710917875A CN107605007B CN 107605007 B CN107605007 B CN 107605007B CN 201710917875 A CN201710917875 A CN 201710917875A CN 107605007 B CN107605007 B CN 107605007B
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- 238000012544 monitoring process Methods 0.000 claims description 172
- 239000007788 liquid Substances 0.000 claims description 75
- 238000012806 monitoring device Methods 0.000 claims description 67
- 239000003344 environmental pollutant Substances 0.000 claims description 28
- 231100000719 pollutant Toxicity 0.000 claims description 28
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- 230000007613 environmental effect Effects 0.000 claims description 10
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- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 8
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- 230000016615 flocculation Effects 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
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Abstract
The invention discloses a drainage system with a treatment facility and a drainage control method, wherein the drainage system has the effect of intelligent drainage, reasonable drainage of water is realized by reasonably controlling the opening of a water conservancy switch and related components in the drainage system through the control system, the safety of flood discharge is ensured, dirty water or initial rainwater is stopped to a regulating and accumulating facility to the greatest extent, manual operation is not needed in the use process, automatic adjustment of the water conservancy switch can be realized through a control unit, the characteristics of flexibility, variability and the like are realized, and a large amount of manpower and material resources are reduced. The drainage control method is used for intercepting dirty water to a regulation facility to the greatest extent and draining cleaner water to a natural water body by reasonably controlling drainage paths of the dirty water, the initial rainwater and the middle-stage and later-stage rainwater.
Description
Technical Field
The invention belongs to the technical field of drainage, and particularly relates to a drainage system with a treatment facility 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. Most of the current control methods for the flow direction of rainwater and sewage adopt water level or rainfall to control, but the current water level control method or rainfall control method is not good for the diversion control of the rainwater and the sewage, so that the meaning of a diversion well is lost.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a drainage system with a treatment facility and a drainage control method, wherein the drainage system is used for intercepting and diverting rainwater and/or sewage, and reasonable regulation and control are adopted to reasonably divert water and realize reasonable allocation of resources.
The invention provides a drainage system, which comprises a diversion well, wherein the diversion well comprises a diversion well body and four openings which are respectively a water inlet, a first water outlet, a second water outlet and a third water outlet, wherein the four openings are arranged in the diversion well body;
the drainage system further comprises a regulation and storage facility, an online treatment facility and an integrated treatment facility, wherein the integrated treatment facility is connected with the first water outlet through the regulation and storage facility; the on-line treatment facility is connected with the second water outlet;
the drainage system further comprises a second water conservancy switch, a third water conservancy switch, a fourth water conservancy switch and an eighth water conservancy switch; the second water conservancy switch is arranged near the first water outlet and used for controlling the water passing quantity passing through the first water outlet; a third water conservancy switch is arranged near the second water outlet and is used for controlling the water passing quantity passing through the second water outlet; a fourth water conservancy switch is arranged near the third water outlet and is used for controlling the water passing quantity passing through the third water outlet; an eighth water conservancy switch is arranged near the outlet end of the regulation facility or the inlet end of the integrated treatment facility and is used for controlling the water passing through the outlet end of the regulation facility or the inlet end of the integrated treatment facility.
The invention also provides a drainage control method of the drainage system, which comprises at least one of a water level method, a water quality-water level method, a time-water level method, a total amount-water level method and a rainfall-water level method.
The invention has the beneficial effects that:
1) The drainage system comprises a regulation and storage facility, an online treatment facility and an integrated treatment facility, wherein the integrated treatment facility can replace the function of a sewage treatment plant to treat the water body of domestic sewage and initial rainwater stored in the regulation and storage facility; the online treatment facility can treat the rainwater in the middle and later stages; the use of the drainage system can achieve the target discharge standard of dirty water inlet-purified water outlet.
2) 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. The use of the drainage system is not limited by occasions, and the drainage system can be suitable for any pipe network in the drainage pipe network system.
3) The drainage system is provided with the control system, manual operation is not needed in the use process, automatic adjustment of the water conservancy switch can be realized through the control unit, the drainage system has the characteristics of flexibility, variability and the like, and a large amount of manpower and material resources are reduced. Specifically, the drainage system has the effect of intelligent drainage, reasonable drainage of water is realized by reasonably controlling the opening of the water conservancy switch and related components in the drainage system through the control system, and dirty water or initial rainwater is stopped to a regulation facility to the greatest extent while flood safety is ensured.
4) The drainage control method comprises a water level method, a water quality-water level method, a time-water level method, a total quantity-water level method and a rainfall-water level method, wherein the method is used for intercepting dirty water to a regulating and accumulating facility to the greatest extent and draining cleaner water to a natural water body by reasonably controlling drainage paths of the dirty water, the initial rainwater and the middle-late rainwater. When rainfall occurs, dirty water and initial rainwater are sent to a regulation and storage facility for storage, so that the dirty water and the initial rainwater can be treated by an online treatment facility before treatment, and the rainwater which is cleaner in the later period is directly discharged to a natural water body; by the arrangement of the integrated treatment facility and the prior treatment facility, the number of times of overflow and overflow amount during rainfall can be reduced, thereby reducing overflow pollution of the rainwater.
Drawings
FIG. 1 is a schematic view showing a structure of a drainage system according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view showing the structure of a drainage system according to a preferred embodiment of the present invention;
wherein, 1-water inlet; 2-a first water outlet; 3-a second water outlet; 4-a third water outlet; 5-a second water conservancy switch; 6-a third water conservancy switch; 7-a fourth water conservancy switch; 8-splitting the well body; 9-a regulation facility; 10-an on-line treatment facility; 11-integrated treatment facility.
Detailed Description
[ drainage System ]
A first aspect of the present invention provides a drainage system, the drainage system comprising a diverter well, the diverter well comprising a diverter well body and four openings provided in the diverter well body, being a water inlet, a first water outlet, a second water outlet and a third water outlet, respectively;
the drainage system further comprises a regulation and storage facility, an online treatment facility and an integrated treatment facility, wherein the integrated treatment facility is connected with the first water outlet through the regulation and storage facility; the on-line treatment facility is connected with the second water outlet;
the drainage system further comprises a second water conservancy switch, a third water conservancy switch, a fourth water conservancy switch and an eighth water conservancy switch; the second water conservancy switch is arranged near the first water outlet and used for controlling the water passing quantity passing through the first water outlet; a third water conservancy switch is arranged near the second water outlet and is used for controlling the water passing quantity passing through the second water outlet; a fourth water conservancy switch is arranged near the third water outlet and is used for controlling the water passing quantity passing through the third water outlet; an eighth water conservancy switch is arranged near the outlet end of the regulation facility or the inlet end of the integrated treatment facility and is used for controlling the water passing through the outlet end of the regulation facility or the inlet end of the integrated treatment facility.
In a preferred embodiment of the present invention, the drainage system further comprises a control system including a first monitoring device, a second monitoring device, and a control unit in signal connection with both; the control unit is in signal connection with the second hydraulic switch, the third hydraulic switch, the fourth hydraulic switch and the eighth hydraulic switch; the first monitoring device and the second monitoring device are used for monitoring signals and transmitting the monitored signals to the control unit, and the control unit controls the opening degrees of the second hydraulic switch, the third hydraulic switch, the fourth hydraulic switch and the eighth hydraulic switch according to the received signals.
In a preferred embodiment of the invention, the inlet end of the regulation facility is connected to the first water outlet via a pipe or gallery; the outlet end of the regulation facility is connected with the inlet end of the integrated treatment facility through a pipeline or a gallery; the outlet end of the integrated treatment facility is connected with a pipeline leading to the natural water body or directly connected with the natural water body.
In a preferred embodiment of the present invention, the drainage system further comprises a water outlet pipe; the third water outlet is connected with a pipeline leading to the natural water body through a water outlet pipe.
In a preferred embodiment of the present invention, the first monitoring device comprises a device for monitoring the water level (such as a liquid level sensor, a liquid level meter, a liquid level switch, etc.), and a device for monitoring the water quality (such as a water quality detector, an on-line COD monitor, an on-line TSS monitor, an on-line BOD monitor, an on-line TN monitor, an on-line TP monitor, an on-line NH) 3 -N monitor, on-line ammonia nitrogen monitor, electrode, conductivity meter, etc.), means for monitoring the total amount of water (for example, it may be an electric hoist with metering function, etc.), means for monitoring rainfall (such as a rain gauge, etc.), means for monitoring time (such as a timer, etc.).
In a preferred embodiment of the invention, the first monitoring device may be located inside the diverter well body or outside the diverter well body, depending on the type of requirements. For example, the device for monitoring the water level of the water body and the device for monitoring the water quality of the water body are arranged in the well body of the diversion well, the device for monitoring the rainfall is arranged outside the well body of the diversion well, the device for monitoring the total water body is arranged on a water switch in the well body of the diversion well, and the device for monitoring the time is arranged in the well body of the diversion well or outside the well body of the diversion well.
In a preferred embodiment of the invention, the second monitoring means comprises means for monitoring the level of the body of water (which may be, for example, a level sensor, a level gauge, a level switch, etc.).
In a preferred embodiment of the invention, the second monitoring device is arranged in a regulation facility.
In a preferred embodiment of the present invention, it will be understood by those skilled in the art that the shapes and opening sizes of the water inlet, the first water outlet, the second water outlet and the third water outlet are not particularly limited, and may be matched with the shape of the pipe or gallery connected thereto or the shape of the water conservancy switch provided thereto. For example, the water inlet, the first water outlet, the second water outlet and the third water outlet are circular in shape.
In a preferred embodiment of the present invention, it will be understood by those skilled in the art that the arrangement order and arrangement manner of the water inlet, the first water outlet, the second water outlet and the third water outlet in the well body of the diversion well are not limited, and the relative positions of the water inlet, the first water outlet, the second water outlet and the third water outlet may be set reasonably according to the area and the topography of the area where the diversion well is disposed. For example, the water inlet, the first water outlet, the second water outlet and the third water outlet are arranged on the side wall of the well body of the diversion well.
When the water inlet, the first water outlet, the second water outlet and the third water outlet are arranged on the side wall of the well body of the diversion well, as will be understood by those skilled in the art, the heights of the bottoms of the water inlet, the first water outlet, the second water outlet and the third water outlet from the bottom of the diversion well are not particularly limited, for example, a pipeline connected with the water inlet is positioned in a high topography, and the water inlet can be arranged at any position on the side wall of the well body of the diversion well; the pipeline connected with the first water outlet, the second water outlet and the third water outlet is positioned at a low-grade position, and the first water outlet, the second water outlet and the third water outlet are arranged at the position, close to the bottom of the well body, of the well body of the diversion well, on the side wall of the well body of the diversion well. The purpose of this is to better flow downstream so that water does not build up in the diverter well volume.
In a preferred embodiment of the present invention, those skilled in the art will understand that the shape of the well body of the diverter 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 diverter well is square or circular.
In a preferred embodiment of the present invention, it will be understood by those skilled in the art that the number and arrangement of the storage facilities in the drainage system are not particularly limited, and may be reasonably arranged according to the area of the area where the system is used, for example, a plurality of storage facilities may be connected in series or in parallel. The regulation facility may be a regulation facility known in the art, including, for example, a regulation tank, a regulation box culvert, a deep tunnel, a shallow tunnel, or the like.
In a preferred embodiment of the present invention, 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. 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, or an artificial wetland, or the like.
In a preferred embodiment of the present invention, 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. 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 a preferred embodiment of the present invention, the second hydraulic switch, the third hydraulic switch, the fourth hydraulic switch and the eighth hydraulic switch are each independently selected from one of valves (ball valve, gate valve, knife gate valve, butterfly valve, elevation rubber plate shutoff check valve, etc.), gates (upper open gate, lower open gate, etc.), weirs (upper open weirs, lower open weirs, rotary weirs, etc.), flaps (shutoff flaps, etc.).
In a preferred embodiment of the invention, the second hydraulic switch may perform a maximum flow restriction function, i.e. to ensure that the flow through the second hydraulic switch does not exceed a set flow value.
In a preferred embodiment of the invention, the third hydraulic switch may perform a maximum flow restriction function, i.e. to ensure that the flow through the third hydraulic switch does not exceed a set flow value.
In a preferred embodiment of the invention, the eighth hydraulic switch may perform a maximum flow restriction function, i.e. to ensure that the flow through the eighth hydraulic switch does not exceed a set flow value.
[ drainage control method ]
The invention also provides a drainage control method of the drainage system, which comprises at least one of a water level method, a water quality-water level method, a time-water level method, a total amount-water level method and a rainfall-water level method.
[ Water level method ]
A second aspect of the present invention 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 first 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, a second monitoring device in the control system comprises a device for monitoring the water body liquid level and is arranged in a regulation facility, and a warning water level H2 of the diversion well and a highest water storage water level H3 of the regulation facility are 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, and the water level height H in the well body of the diversion well is monitored in real time through a device for monitoring the water level; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2a) When H is smaller than H2, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
3a) When H is more than or equal to H2, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in the off state, the third water conservancy switch is in the on state, the fourth water conservancy switch is in the on state, the eighth water conservancy switch is in the on state, and the water body is guaranteed to flow through the eighth water conservancy switch at a constant flow rate.
[ Water quality method ]
A third aspect of the present invention provides a drainage control method controlled by a water quality method, the drainage control method is based on the drainage system, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring water quality of a water body and is arranged in a well body of a diversion well, a second monitoring device in the control system comprises a device for monitoring water liquid level of the water body and is arranged in a regulation facility, and a standard value C1 of pollutant concentration, an overscale value C2 of pollutant concentration and a highest water storage level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1b) The water body enters the diversion well from the water inlet, and the water quality C of the water body in the well is monitored in real time through a device for monitoring the water quality of the water body; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2b) When C is more than or equal to C2, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
3b) When C2 is more than or equal to C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state;
4b) When C < C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state.
[ Water level-Water quality method ]
A fourth aspect of the present invention provides a drainage control method controlled by a water level-water quality method, the drainage control method is based on the drainage system, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring the water level of a water body and a device for monitoring the water quality of the water body and is arranged in a well body of a diversion well, a second monitoring device in the control system comprises a device for monitoring the water level of the water body and is arranged in a regulation facility, and a warning water level H2 of the diversion well, a pollutant concentration standard value C1 and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1c) The water enters the diversion well from the water inlet, the water level height H in the well body of the diversion well is monitored in real time through a device for monitoring the water level, and the water quality C in the well is monitored in real time through a device for monitoring the water quality of the water; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2c) When H is more than or equal to H2 and C is more than or equal to C1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
3c) When H is more than or equal to H2 and C is less than or equal to C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state;
4c) When H is smaller than H2 and C is larger than or equal to C1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
5c) When H < H2 > and C < C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state.
[ Total amount-Water level method ]
A fifth aspect of the present invention provides a drainage control method controlled by a total amount-water level method, the drainage control method is based on the drainage system, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring the total amount of water and is arranged on a second water switch in a well body of a diversion well, the first monitoring device in the control system further comprises a device for monitoring the water level and is arranged in the well body of the diversion well, a second monitoring device in the control system comprises a device for monitoring the water level and is arranged in a regulation facility, and a standard initial rain total amount Q1 required to be intercepted by the diversion well, a warning water level H2 of the diversion well and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1e) In rainy days, water enters the diversion well from the water inlet, the water level height H in the well body of the diversion well is monitored in real time through a device for monitoring the water level, and the total quantity Q of the water passing through the second water conservancy switch is monitored in real time through a device for monitoring the total quantity of the water; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2e) When H is more than or equal to H2 and Q is less than or equal to Q1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
3e) When H is more than or equal to H2 and Q is more than or equal to Q1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state;
4e) When H < H2 and Q < Q1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
5e) When H is smaller than H2 and Q is larger than or equal to Q1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state.
In a preferred embodiment of the invention, the method further comprises the steps of:
6e) When sunny days, the water body enters the diversion well from the water inlet, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is guaranteed to flow through the eighth water conservancy switch at a constant flow rate.
[ rainfall-Water level method ]
A sixth aspect of the present invention provides a drainage control method controlled by a rainfall-water level method, the drainage control method is based on the drainage system, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring rainfall and is arranged outside a well body of a diversion well, a first monitoring device in the control system further comprises a device for monitoring water body liquid level and is arranged in the well body of the diversion well, a second monitoring device in the control system comprises a device for monitoring water body liquid level and is arranged in a regulation facility, and a standard initial rainfall L1 required to be intercepted by the diversion well, a warning water level H2 of the diversion well and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1g) The water enters the diversion well from the water inlet, and the initial rain quantity L is monitored in real time through a device for monitoring the rain quantity;
2g) When l=0, on a sunny day, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
3g) When L is more than 0, in rainy days, monitoring the water level height H in the well body of the diversion well in real time through a device for monitoring the water level; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
4g) When H is more than or equal to H2 and 0< L1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
5g) When H is more than or equal to H2 and L is more than or equal to L1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state;
6g) When H < H2 and 0< L1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
7g) When H is smaller than H2 and L is larger than or equal to L1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state.
[ time-Water level method ]
A seventh aspect of the present invention provides a drainage control method controlled by a time-water level method, the drainage control method being based on the drainage system described above, the drainage system comprising a control system, a first monitoring device in the control system comprising a device for monitoring time and being disposed in or out of a diverter well, a first monitoring device in the control system further comprising a device for monitoring water level and being disposed in the diverter well, a second monitoring device in the control system comprising a device for monitoring water level and being disposed in a regulation facility, a standard time T1, a warning water level H2 of the diverter well and a highest water level H3 of the regulation facility being set in a control unit of the control system; the method comprises the following steps:
1i) When the water body enters the diversion well from the water inlet on sunny days, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
2i) In rainy days, water enters the diversion well from the water inlet, the water level height H in the diversion well is monitored in real time through a device for monitoring the water level, and the rainfall time T is monitored in real time through a device for monitoring the time; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
4i) When H is more than or equal to H2 and T is less than T1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
5i) When H is more than or equal to H2 and T is more than or equal to T1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state;
6i) When H < H2 and T < T1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
7i) When H is smaller than H2 and T is larger than or equal to T1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state.
[ concrete limitation of the above method ]
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 highest water storage level H3 of the regulation facility is set in the control unit of the control system as a function of the capacity of the regulation facility.
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.
In a preferred embodiment of the present invention, the standard value of the pollutant concentration C1 is set in the control unit of the control system according to the environmental capacity of the natural water discharged and the quality of the water entering the diversion well.
In a preferred embodiment of the invention, the pollutant concentration superscalar C2 is set in the control unit based on the environmental capacity of the natural body of water being discharged and the quality of the body of water entering the diversion well and the highest pollutant concentration that can be treated by the on-line treatment facility.
In a preferred embodiment of the invention, the device for monitoring the water quality of the water body is a water quality detector, an online COD monitor, an online ammonia nitrogen monitor, an online TSS monitor, an online BOD monitor and an online NH 3 -N monitor, on-line TP monitor, on-line TN monitor, electrode, conductivity meter, etc., which monitors the concentration of contaminants in the water in the well body of the shunt well, said contaminants comprising TSS, COD, BOD, NH 3 -N, TN or TP.
In a preferred embodiment of the present invention, the water quality detector may detect the water quality of the water body by using an electrode method, a UV optical method, an optical scattering method, or the like.
In a preferred embodiment of the present invention, the environmental capacity of the natural water body discharged by the diversion well may be a natural water body such as a river, a lake or a sea; when the environment capacity of the natural water body is large (such as ocean), the pollutant concentration standard value C1 can be properly improved; when the environment capacity of the natural water body is smaller (such as a lake), the pollutant concentration standard value C1 can be properly reduced. When the water quality of the water body entering the diversion well is good, if the water body is middle-late-stage rainwater, the pollutant concentration standard value C1 can be properly reduced; when the water quality of the water body entering the diversion well is poor, such as domestic sewage and/or initial rainwater, the pollutant concentration standard value C1 can be properly improved. The purpose is to reduce pollution to natural water as little as possible.
In a preferred embodiment of the present invention, the above-mentioned setting principle is also applied to the pollutant concentration superscalar C2, and on the basis of this, the setting standard of the pollutant concentration superscalar C2 is also related to the upper concentration limit that can be processed by the on-line processing facility, and is generally not higher than the upper concentration limit that can be processed by the on-line processing facility.
In a preferred embodiment of the invention, a standard total amount of initial rain Q1 required to be intercepted by the diversion well is set in the control unit of the control system according to the total amount of initial rain required to be collected in the corresponding water receiving area of the diversion well.
In a preferred embodiment of the invention, the device for monitoring the total water body is selected from an electric hoist with a metering function.
In a preferred embodiment of the invention, a standard initial rain amount L1 of the diversion well to be intercepted is set in a control unit of the control system according to the millimeter number of the initial rain to be collected in the corresponding water receiving area of the diversion well.
In a preferred embodiment of the present invention, the device for monitoring rainfall is a rain gauge.
In a preferred embodiment of the present invention, the standard time T1 is set in the control unit of the control system according to the rainfall time of the initial rainwater and the time required for the entire initial rainwater to flow to the diversion well in the corresponding water receiving area of the diversion well.
In a preferred embodiment of the present invention, the means for monitoring the time is a timer.
In a preferred embodiment of the present invention, the second hydraulic switch, the third hydraulic switch and the eighth hydraulic switch may implement a maximum flow limiting function, and the on state of the second hydraulic switch, which means that the flow value through the hydraulic switch is less than or equal to a set maximum flow value, may be implemented by adjusting the opening of the hydraulic switch by a control unit in a control system.
In a preferred embodiment of the present invention, the fourth hydraulic switch being in an on state means that the water body can flow to the natural water body through the hydraulic switch.
In a preferred embodiment of the present invention, the fourth hydraulic switch being in a shut-off state means that the opening degree of the fourth hydraulic switch is adjusted, so that the water body is ensured to be shut off at the upstream end of the hydraulic switch, and cannot flow to the natural water body through the hydraulic switch.
In a preferred embodiment of the present invention, the water conservancy switch being in an off state means that the flow value of the water body passing through the water conservancy switch is zero.
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.
In the description of the present invention, it should be noted that the terms "first," "second," "third," "fourth," and "eighth" are used for descriptive purposes only and not for indicating or implying relative importance.
Example 1
As shown in fig. 1 and 2, the present invention provides a drainage system, which comprises a diversion well, wherein the diversion well comprises a diversion well body 8 and four openings arranged in the diversion well body 8, namely a water inlet 1, a first water outlet 2, a second water outlet 3 and a third water outlet 4;
the drainage system further comprises a regulation facility 9, an online treatment facility 10 and an integrated treatment facility 11, wherein the integrated treatment facility 11 is connected with the first water outlet 2 through the regulation facility 9; the on-line treatment facility 10 is connected with the second water outlet 3;
the drainage system further comprises a second hydraulic switch 5, a third hydraulic switch 6, a fourth hydraulic switch 7 and an eighth hydraulic switch (not shown); wherein, a second water conservancy switch 5 is arranged near the first water outlet 2 and is used for controlling the water passing quantity passing through the first water outlet; a third water conservancy switch 6 is arranged near the second water outlet 3 and is used for controlling the water passing quantity passing through the second water outlet; wherein a fourth water conservancy switch 7 is arranged near the third water outlet 4 and is used for controlling the water passing quantity passing through the third water outlet; an eighth water conservancy switch is arranged near the outlet end of the regulation facility or the inlet end of the integrated treatment facility and is used for controlling the water passing through the outlet end of the regulation facility or the inlet end of the integrated treatment facility.
In a preferred embodiment of the present invention, the drainage system further comprises a control system including a first monitoring device, a second monitoring device, and a control unit in signal connection with both; the control unit is in signal connection with the second hydraulic switch, the third hydraulic switch, the fourth hydraulic switch and the eighth hydraulic switch; the first monitoring device and the second monitoring device are used for monitoring signals and transmitting the monitored signals to the control unit, and the control unit controls the opening degrees of the second hydraulic switch, the third hydraulic switch, the fourth hydraulic switch and the eighth hydraulic switch according to the received signals.
In a preferred embodiment of the invention, the inlet end of the regulation facility is connected to the first water outlet via a pipe or gallery; the outlet end of the regulation facility is connected with the inlet end of the integrated treatment facility through a pipeline or a gallery; the outlet end of the integrated treatment facility is connected with a pipeline leading to the natural water body or directly connected with the natural water body.
In a preferred embodiment of the present invention, the drainage system further comprises a water outlet pipe; the third water outlet 4 is connected with a pipeline leading to the natural water body through a water outlet pipe.
In a preferred embodiment of the present invention, the first monitoring device comprises a device for monitoring the water level (such as a liquid level sensor, a liquid level meter, a liquid level switch, etc.), and a device for monitoring the water quality (such as a water quality detector, an on-line COD monitor, an on-line TSS monitor, an on-line BOD monitor, an on-line TN monitor, an on-line TP monitor, an on-line NH) 3 -N monitor, on-line ammonia nitrogen monitor, electrode, conductivity meter, etc.), means for monitoring the total amount of water (for example, it may be an electric hoist with metering function, etc.), means for monitoring rainfall (such as a rain gauge, etc.), means for monitoring time (such as a timer, etc.).
In a preferred embodiment of the invention, the first monitoring device may be located inside the diverter well body or outside the diverter well body, depending on the type of requirements. For example, the device for monitoring the water level of the water body and the device for monitoring the water quality of the water body are arranged in the well body of the diversion well, the device for monitoring the rainfall is arranged outside the well body of the diversion well, the device for monitoring the total water body is arranged on a water switch in the well body of the diversion well, and the device for monitoring the time is arranged in the well body of the diversion well or outside the well body of the diversion well.
In a preferred embodiment of the invention, the second monitoring means comprises means for monitoring the level of the body of water (which may be, for example, a level sensor, a level gauge, a level switch, etc.).
In a preferred embodiment of the invention, the second monitoring device is arranged in a regulation facility.
In a preferred embodiment of the present invention, it will be understood by those skilled in the art that the shapes and opening sizes of the water inlet, the first water outlet, the second water outlet and the third water outlet are not particularly limited, and may be matched with the shape of the pipe or gallery connected thereto or the shape of the water conservancy switch provided thereto. For example, the water inlet, the first water outlet, the second water outlet and the third water outlet are circular in shape.
In a preferred embodiment of the present invention, it will be understood by those skilled in the art that the arrangement order and arrangement manner of the water inlet, the first water outlet, the second water outlet and the third water outlet in the well body of the diversion well are not limited, and the relative positions of the water inlet, the first water outlet, the second water outlet and the third water outlet may be set reasonably according to the area and the topography of the area where the diversion well is disposed. For example, the water inlet, the first water outlet, the second water outlet and the third water outlet are arranged on the side wall of the well body of the diversion well.
When the water inlet, the first water outlet, the second water outlet and the third water outlet are arranged on the side wall of the well body of the diversion well, as will be understood by those skilled in the art, the heights of the bottoms of the water inlet, the first water outlet, the second water outlet and the third water outlet from the bottom of the diversion well are not particularly limited, for example, a pipeline connected with the water inlet is positioned in a high topography, and the water inlet can be arranged at any position on the side wall of the well body of the diversion well; the pipeline connected with the first water outlet, the second water outlet and the third water outlet is positioned at a low-grade position, and the first water outlet, the second water outlet and the third water outlet are arranged at the position, close to the bottom of the well body, of the well body of the diversion well, on the side wall of the well body of the diversion well. The purpose of this is to better flow downstream so that water does not build up in the diverter well volume.
In a preferred embodiment of the present invention, those skilled in the art will understand that the shape of the well body of the diverter 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 diverter well is square or circular.
In a preferred embodiment of the present invention, it will be understood by those skilled in the art that the number and arrangement of the storage facilities in the drainage system are not particularly limited, and may be reasonably arranged according to the area of the area where the system is used, for example, a plurality of storage facilities may be connected in series or in parallel. The regulation facility may be a regulation facility known in the art, including, for example, a regulation tank, a regulation box culvert, a deep tunnel, a shallow tunnel, or the like.
In a preferred embodiment of the present invention, 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. 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, or an artificial wetland, or the like.
In a preferred embodiment of the present invention, 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. 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 a preferred embodiment of the present invention, the second hydraulic switch, the third hydraulic switch, the fourth hydraulic switch and the eighth hydraulic switch are each independently selected from one of valves (ball valve, gate valve, knife gate valve, butterfly valve, elevation rubber plate shutoff check valve, etc.), gates (upper open gate, lower open gate, etc.), weirs (upper open weirs, lower open weirs, rotary weirs, etc.), flaps (shutoff flaps, etc.).
In a preferred embodiment of the invention, the second hydraulic switch may perform a maximum flow restriction function, i.e. to ensure that the flow through the second hydraulic switch does not exceed a set flow value.
In a preferred embodiment of the invention, the third hydraulic switch may perform a maximum flow restriction function, i.e. to ensure that the flow through the third hydraulic switch does not exceed a set flow value.
In a preferred embodiment of the invention, the eighth hydraulic switch may perform a maximum flow restriction function, i.e. to ensure that the flow through the eighth hydraulic switch does not exceed a set flow value.
Example 2
The embodiment provides a drainage control method controlled by a water level method, the drainage control method is based on the drainage system of the embodiment 1, the drainage system comprises a control system, a first 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, a second monitoring device in the control system comprises a device for monitoring the water body liquid level and is arranged in a regulation facility, and a warning water level H2 of the diversion well and a highest water storage water level H3 of the regulation facility are 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, and the water level height H in the well body of the diversion well is monitored in real time through a device for monitoring the water level; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2a) When H is smaller than H2, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters the regulation and storage facility for temporary storage, and the water stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged into natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or is discharged to a pipeline connected with the natural water body, and at the moment, the water body stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water body;
3a) When H is more than or equal to H2, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters the regulation and storage facility for temporary storage, part of water is discharged to the on-line treatment facility for treatment, the treated water is discharged to the natural water or a pipeline connected with the natural water, and part of water is directly discharged to the natural water, at the moment, the water stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or a pipeline connected with the natural water body, and the part of the water body is directly discharged to the natural water body, at the moment, the water body stored in the regulation facility enters an integrated treatment facility for treatment at a constant flow and is discharged to the natural water body.
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 highest water storage level H3 of the regulation facility is set in the control unit of the control system as a function of the capacity of the regulation facility.
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.
Example 3
The embodiment provides a drainage control method controlled by a water quality method, the drainage control method is based on the drainage system of the embodiment 1, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring the water quality of a water body and is arranged in a well body of a diversion well, a second monitoring device in the control system comprises a device for monitoring the water body liquid level and is arranged in a regulation facility, and a pollutant concentration standard value C1, a pollutant concentration superscale value C2 and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1b) The water body enters the diversion well from the water inlet, and the water quality C of the water body in the well is monitored in real time through a device for monitoring the water quality of the water body; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2b) When C is more than or equal to C2, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters a regulation and storage facility for temporary storage, and at the moment, the water stored in the regulation and storage facility enters an integrated treatment facility for treatment at a constant flow and is discharged into natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or is discharged to a pipeline connected with the natural water body, and at the moment, the water body stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water body;
3b) When C2 is more than or equal to C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state; the water body is discharged to an on-line treatment facility for treatment, and the treated water body is discharged to a natural water body or a pipeline connected with the natural water body;
4b) When C is smaller than C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state; part of the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or a pipeline connected with the natural water body, and part of the water body is directly discharged to the natural water body.
In a preferred embodiment of the present invention, the standard value of the pollutant concentration C1 is set in the control unit of the control system according to the environmental capacity of the natural water discharged and the quality of the water entering the diversion well.
In a preferred embodiment of the invention, the pollutant concentration superscalar C2 is set in the control unit based on the environmental capacity of the natural body of water being discharged and the quality of the body of water entering the diversion well and the highest pollutant concentration that can be treated by the on-line treatment facility.
In a preferred embodiment of the invention, the device for monitoring the water quality of the water body is a water quality detector, an online COD monitor, an online ammonia nitrogen monitor, an online TSS monitor, an online BOD monitor and an online NH 3 -N monitor, on-line TP monitor, on-line TN monitor, electrode, conductivity meter, etc., which monitors the concentration of contaminants in the water in the well body of the shunt well, said contaminants comprising TSS, COD, BOD, NH 3 -N, TN or TP.
In a preferred embodiment of the present invention, the water quality detector may detect the water quality of the water body by using an electrode method, a UV optical method, an optical scattering method, or the like.
In a preferred embodiment of the invention, the highest water storage level H3 of the regulation facility is set in the control unit of the control system as a function of the capacity of the regulation facility.
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.
Example 4
The embodiment provides a drainage control method controlled by a water level-water quality method, the drainage control method is based on the drainage system of the embodiment 1, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring the water level of a water body and a device for monitoring the water quality of the water body and is arranged in a well body of a diversion well, a second monitoring device in the control system comprises a device for monitoring the water level of the water body and is arranged in a regulation facility, and a warning water level H2 of the diversion well, a pollutant concentration standard value C1 and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1c) The water enters the diversion well from the water inlet, the water level height H in the well body of the diversion well is monitored in real time through a device for monitoring the water level, and the water quality C in the well is monitored in real time through a device for monitoring the water quality of the water; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2c) When H is more than or equal to H2 and C is more than or equal to C1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters the regulation and storage facility for temporary storage, part of water is discharged to the on-line treatment facility for treatment, the treated water is discharged to the natural water or a pipeline connected with the natural water, and part of water is directly discharged to the natural water, at the moment, the water stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or a pipeline connected with the natural water body, and part of the water body is directly discharged to the natural water body, at the moment, the water body stored in the regulation facility enters an integrated treatment facility for treatment at a constant flow and is discharged to the natural water body;
3c) When H is more than or equal to H2 and C is less than or equal to C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state; part of the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or a pipeline connected with the natural water body, and part of the water body is directly discharged to the natural water body;
4c) When H is smaller than H2 and C is larger than or equal to C1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters a regulation and storage facility for temporary storage, and at the moment, the water stored in the regulation and storage facility enters an integrated treatment facility for treatment at a constant flow and is discharged into natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or is discharged to a pipeline connected with the natural water body, and at the moment, the water body stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water body;
5c) When H is smaller than H2 and C is smaller than C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state; the water body is discharged to an on-line treatment facility for treatment, and the treated water body is discharged to a natural water body or a pipeline connected with the natural water body.
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 highest water storage level H3 of the regulation facility is set in the control unit of the control system as a function of the capacity of the regulation facility.
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.
In a preferred embodiment of the present invention, the standard value of the pollutant concentration C1 is set in the control unit of the control system according to the environmental capacity of the natural water discharged and the quality of the water entering the diversion well.
In a preferred embodiment of the invention, the device for monitoring the water quality of the water body is a water quality detector, an online COD monitor, an online ammonia nitrogen monitor, an online TSS monitor, an online BOD monitor and an online NH 3 -N monitor, on-line TP monitor, on-line TN monitor, electrode, conductivity meter, etc., which monitors the concentration of contaminants in the water in the well body of the shunt well, said contaminants comprising TSS, COD, BOD, NH 3 -N, TN or TP. The water quality detector can be used for detecting the water quality of the water body by adopting an electrode method, a UV optical method, an optical scattering method and the like.
Example 5
The embodiment provides a drainage control method controlled by a total water level method, the drainage control method is based on the drainage system of the embodiment 1, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring the total water body and is arranged on a second water switch in a well body of a diversion well, the first monitoring device in the control system also comprises a device for monitoring the water body liquid level and is arranged in the well body of the diversion well, a second monitoring device in the control system comprises a device for monitoring the water body liquid level and is arranged in a regulation facility, and a standard initial rain total amount Q1 required to be intercepted by the diversion well, a warning water level H2 of the diversion well and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1e) In rainy days, water enters the diversion well from the water inlet, the water level height H in the well body of the diversion well is monitored in real time through a device for monitoring the water level, and the total quantity Q of the water passing through the second water conservancy switch is monitored in real time through a device for monitoring the total quantity of the water; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2e) When H is more than or equal to H2 and Q is less than or equal to Q1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters the regulation and storage facility for temporary storage, part of water is discharged to the on-line treatment facility for treatment, the treated water is discharged to the natural water or a pipeline connected with the natural water, and part of water is directly discharged to the natural water, at the moment, the water stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or a pipeline connected with the natural water body, and part of the water body is directly discharged to the natural water body, at the moment, the water body stored in the regulation facility enters an integrated treatment facility for treatment at a constant flow and is discharged to the natural water body;
3e) When H is more than or equal to H2 and Q is more than or equal to Q1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state; part of the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or a pipeline connected with the natural water body, and part of the water body is directly discharged to the natural water body;
4e) When H < H2 and Q < Q1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters a regulation and storage facility for temporary storage, and at the moment, the water stored in the regulation and storage facility enters an integrated treatment facility for treatment at a constant flow and is discharged into natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or is discharged to a pipeline connected with the natural water body, and at the moment, the water body stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water body;
5e) When H is smaller than H2 and Q is larger than or equal to Q1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state; the water body is discharged to an on-line treatment facility for treatment, and the treated water body is discharged to a natural water body or a pipeline connected with the natural water body.
In a preferred embodiment of the invention, the method further comprises the steps of:
6e) When the water body enters the diversion well from the water inlet on sunny days, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; and part of water enters the regulation facility for temporary storage, and at the moment, the water stored in the regulation facility enters the integrated treatment facility for treatment at a constant flow and is discharged into the 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 highest water storage level H3 of the regulation facility is set in the control unit of the control system as a function of the capacity of the regulation facility.
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.
In a preferred embodiment of the invention, a standard total amount of initial rain Q1 required to be intercepted by the diversion well is set in the control unit of the control system according to the total amount of initial rain required to be collected in the corresponding water receiving area of the diversion well.
In a preferred embodiment of the invention, the device for monitoring the total water body is selected from an electric hoist with a metering function.
Example 6
The embodiment provides a drainage control method controlled by a rainfall-water level method, the drainage control method is based on the drainage system of the embodiment 1, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring rainfall and is arranged outside a well body of a diversion well, a first monitoring device in the control system further comprises a device for monitoring water body liquid level and is arranged in the well body of the diversion well, a second monitoring device in the control system comprises a device for monitoring water body liquid level and is arranged in a regulation facility, and a standard initial rainfall L1 required to be intercepted by the diversion well, a warning water level H2 of the diversion well and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1g) The water enters the diversion well from the water inlet, and the initial rain quantity L is monitored in real time through a device for monitoring the rain quantity;
2g) When l=0, on a sunny day, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters a regulation and storage facility for temporary storage, and at the moment, the water stored in the regulation and storage facility enters an integrated treatment facility for treatment at a constant flow and is discharged into natural water;
3g) When L is more than 0, in rainy days, monitoring the water level height H in the well body of the diversion well in real time through a device for monitoring the water level; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
4g) When H is more than or equal to H2 and 0< L1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters the regulation and storage facility for temporary storage, part of water is discharged to the on-line treatment facility for treatment, the treated water is discharged to the natural water or a pipeline connected with the natural water, and part of water is directly discharged to the natural water, at the moment, the water stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or a pipeline connected with the natural water body, and part of the water body is directly discharged to the natural water body, at the moment, the water body stored in the regulation facility enters an integrated treatment facility for treatment at a constant flow and is discharged to the natural water body;
5g) When H is more than or equal to H2 and L is more than or equal to L1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state; part of the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or a pipeline connected with the natural water body, and part of the water body is directly discharged to the natural water body;
6g) When H < H2 and 0< L1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters a regulation and storage facility for temporary storage, and at the moment, the water stored in the regulation and storage facility enters an integrated treatment facility for treatment at a constant flow and is discharged into natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or is discharged to a pipeline connected with the natural water body, and at the moment, the water body stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water body;
7g) When H is smaller than H2 and L is larger than or equal to L1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state; the water body is discharged to an on-line treatment facility for treatment, and the treated water body is discharged to a natural water body or a pipeline connected with the natural water body.
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 highest water storage level H3 of the regulation facility is set in the control unit of the control system as a function of the capacity of the regulation facility.
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.
In a preferred embodiment of the invention, a standard initial rain amount L1 of the diversion well to be intercepted is set in a control unit of the control system according to the millimeter number of the initial rain to be collected in the corresponding water receiving area of the diversion well.
In a preferred embodiment of the present invention, the device for monitoring rainfall is a rain gauge.
Example 7
The embodiment provides a drainage control method controlled by a time-water level method, the drainage control method is based on the drainage system of the embodiment 1, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring time and is arranged in or out of a diversion well body, a first monitoring device in the control system further comprises a device for monitoring water body liquid level and is arranged in the diversion well body, a second monitoring device in the control system comprises a device for monitoring water body liquid level and is arranged in a regulation facility, and a standard time T1, a warning water level H2 of the diversion well and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1i) When the water body enters the diversion well from the water inlet on sunny days, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters a regulation and storage facility for temporary storage, and at the moment, the water stored in the regulation and storage facility enters an integrated treatment facility for treatment at a constant flow and is discharged into natural water;
2i) In rainy days, water enters the diversion well from the water inlet, the water level height H in the diversion well is monitored in real time through a device for monitoring the water level, and the rainfall time T is monitored in real time through a device for monitoring the time; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
4i) When H is more than or equal to H2 and T is less than T1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters the regulation and storage facility for temporary storage, part of water is discharged to the on-line treatment facility for treatment, the treated water is discharged to the natural water or a pipeline connected with the natural water, and part of water is directly discharged to the natural water, at the moment, the water stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or a pipeline connected with the natural water body, and part of the water body is directly discharged to the natural water body, at the moment, the water body stored in the regulation facility enters an integrated treatment facility for treatment at a constant flow and is discharged to the natural water body;
5i) When H is more than or equal to H2 and T is more than or equal to T1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state; part of the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or a pipeline connected with the natural water body, and part of the water body is directly discharged to the natural water body;
6i) When H < H2 and T < T1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; part of water enters a regulation and storage facility for temporary storage, and at the moment, the water stored in the regulation and storage facility enters an integrated treatment facility for treatment at a constant flow and is discharged into natural water; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; the water body is discharged to an on-line treatment facility for treatment, the treated water body is discharged to a natural water body or is discharged to a pipeline connected with the natural water body, and at the moment, the water body stored in the regulation and storage facility enters the integrated treatment facility for treatment at a constant flow and is discharged to the natural water body;
7i) When H is smaller than H2 and T is larger than or equal to T1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state; the water body is discharged to an on-line treatment facility for treatment, and the treated water body is discharged to a natural water body or a pipeline connected with the natural water body.
In a preferred embodiment of the present invention, the standard time T1 is set in the control unit of the control system according to the rainfall time of the initial rainwater and the time required for the entire initial rainwater to flow to the diversion well in the corresponding water receiving area of the diversion well.
In a preferred embodiment of the present invention, the means for monitoring the time is a timer.
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 highest water storage level H3 of the regulation facility is set in the control unit of the control system as a function of the capacity of the regulation facility.
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.
In the above embodiments 2-7, the second hydraulic switch, the third hydraulic switch and the eighth hydraulic switch may implement a maximum flow limiting function, and the on state of the second hydraulic switch, the third hydraulic switch and the eighth hydraulic switch means that the flow value through the hydraulic switch is smaller than or equal to the set maximum flow value, which may be implemented by adjusting the opening of the hydraulic switch by a control unit in the control system.
In embodiments 2 to 7, the fourth hydraulic switch being in the on state means that the water body can flow to the natural water body through the hydraulic switch.
In the foregoing embodiments 2 to 7, the fourth hydraulic switch being in the shut-off state means that the opening of the fourth hydraulic switch is adjusted, so that the water body is guaranteed to be shut-off at the upstream end of the hydraulic switch, and cannot flow to the natural water body through the hydraulic switch.
In embodiments 2-7 above, the water conservancy switch being in the off state means that the flow value of the water body passing through the water conservancy switch is zero.
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 (21)
1. The drainage system is characterized by comprising a diversion well, wherein the diversion well comprises a diversion well body and four openings which are respectively a water inlet, a first water outlet, a second water outlet and a third water outlet, and the four openings are arranged in the diversion well body;
the drainage system further comprises a regulation and storage facility, an online treatment facility and an integrated treatment facility, wherein the integrated treatment facility is connected with the first water outlet through the regulation and storage facility; the on-line treatment facility is connected with the second water outlet;
the drainage system further comprises a second water conservancy switch, a third water conservancy switch, a fourth water conservancy switch and an eighth water conservancy switch; the second water conservancy switch is arranged near the first water outlet and used for controlling the water passing quantity passing through the first water outlet; a third water conservancy switch is arranged near the second water outlet and is used for controlling the water passing quantity passing through the second water outlet; a fourth water conservancy switch is arranged near the third water outlet and is used for controlling the water passing quantity passing through the third water outlet; an eighth water conservancy switch is arranged near the outlet end of the regulation facility or the inlet end of the integrated treatment facility and is used for controlling the water passing through the outlet end of the regulation facility or the inlet end of the integrated treatment facility;
The drainage system further comprises a control system, wherein the control system comprises a first monitoring device, a second monitoring device and a control unit in signal connection with the first monitoring device and the second monitoring device; the control unit is in signal connection with the second hydraulic switch, the third hydraulic switch, the fourth hydraulic switch and the eighth hydraulic switch; the first monitoring device and the second monitoring device are used for monitoring signals and transmitting the monitored signals to the control unit, and the control unit controls the opening degrees of the second hydraulic switch, the third hydraulic switch, the fourth hydraulic switch and the eighth hydraulic switch according to the received signals;
the first monitoring device can be arranged in the well body of the diversion well or outside the well body of the diversion well according to type requirements; the second monitoring device is arranged in the regulation facility.
2. The system of claim 1, wherein the inlet end of the regulation facility is connected to the first water outlet by a pipe or gallery; the outlet end of the regulation facility is connected with the inlet end of the integrated treatment facility through a pipeline or a gallery; the outlet end of the integrated treatment facility is connected with a pipeline leading to the natural water body or directly connected with the natural water body.
3. The system of claim 1, wherein the drainage system further comprises a water outlet pipe; the third water outlet is connected with a pipeline leading to the natural water body through a water outlet pipe.
4. A system according to any one of claims 1-3, wherein the first monitoring means comprises at least one of means for monitoring the level of the body of water, means for monitoring the quality of the body of water, means for monitoring the total amount of water, means for monitoring the amount of rain, and means for monitoring the time.
5. The system of claim 4, wherein the means for monitoring the level of the body of water is selected from the group consisting of a level sensor, a level gauge, and a level switch; the device for monitoring the water quality of the water body is selected from a water quality detector, an online COD monitor, an online TSS monitor, an online BOD monitor, an online TN monitor, an online TP monitor and an online NH 3 -an N monitor, an online ammonia nitrogen monitor, an electrode or a conductivity meter; the device for monitoring the total water body is selected from an electric hoist with a metering function; the device for monitoring the rainfall is selected from a rain gauge; the means for monitoring the time is selected from the group consisting of a meterAnd (5) a timer.
6. The system of claim 4, wherein the means for monitoring the level of the body of water and the means for monitoring the quality of the body of water are disposed in the diverter well body, the means for monitoring the amount of rain is disposed outside the diverter well body, the means for monitoring the total amount of water is disposed on a water switch in the diverter well body, and the means for monitoring the time is disposed in or outside the diverter well body.
7. A system according to any one of claims 1-3, wherein the second monitoring means comprises means for monitoring the level of the body of water, the means for monitoring the level of the body of water being selected from a level sensor, a level gauge or a level switch.
8. A system according to any one of claims 1-3, wherein the regulation facility is a plurality of regulation facilities in series or parallel in the drainage system; the regulation facility comprises a regulation pool, a regulation box culvert and a deep tunnel or shallow tunnel;
and/or the integrated treatment facility is a plurality of integrated treatment facilities connected in series or in parallel; the integrated treatment facility comprises an integrated sewage treatment station;
and/or the online processing facility is a plurality of online processing 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;
and/or the second water conservancy switch, the third water conservancy switch, the fourth water conservancy switch and the eighth water conservancy switch are respectively and independently selected from one of a valve, a gate, a weir gate and a flap valve;
and/or the second water conservancy switch can realize the maximum current limiting function, namely, the flow passing through the second water conservancy switch is ensured not to exceed the set flow value;
And/or the third water conservancy switch can realize the maximum current limiting function, namely, the flow passing through the third water conservancy switch is ensured not to exceed the set flow value;
and/or the eighth water conservancy switch can realize the maximum current limiting function, namely the flow passing through the eighth water conservancy switch is ensured not to exceed the set flow value.
9. A water level controlled drainage control method, the drainage control method being based on the drainage system of any one of claims 1-3, the drainage system comprising a control system, a first monitoring device in the control system comprising a device for monitoring the water level and being arranged in the well body of the diversion well, a second monitoring device in the control system comprising a device for monitoring the water level and being arranged in the regulation facility, the warning water level H2 of the diversion well and the highest water storage water level H3 of the regulation facility being 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, and the water level height H in the well body of the diversion well is monitored in real time through a device for monitoring the water level; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2a) When H is smaller than H2, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
3a) When H is more than or equal to H2, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in the off state, the third water conservancy switch is in the on state, the fourth water conservancy switch is in the on state, the eighth water conservancy switch is in the on state, and the water body is guaranteed to flow through the eighth water conservancy switch at a constant flow rate.
10. The drainage control method according to claim 9, wherein the guard 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;
And/or setting a highest water storage level H3 of the regulation facility in a control unit of the control system according to the accommodation capacity of the regulation facility;
and/or the device for monitoring the water body liquid level is a liquid level sensor, a liquid level meter or a liquid level switch.
11. A drainage control method controlled by a water quality method, the drainage control method is based on the drainage system of any one of claims 1-3, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring the water quality of a water body and is arranged in a well body of a diversion well, a second monitoring device in the control system comprises a device for monitoring the water body liquid level and is arranged in a regulation facility, and a standard value C1 of pollutant concentration, an overscale value C2 of pollutant concentration and a highest water storage level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1b) The water body enters the diversion well from the water inlet, and the water quality C of the water body in the well is monitored in real time through a device for monitoring the water quality of the water body; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2b) When C is more than or equal to C2, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
3b) When C2 is more than or equal to C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state;
4b) When C < C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state.
12. The drain control method according to claim 11, wherein a highest water storage level H3 of the regulation facility is set in a control unit of the control system according to the accommodation capacity of the regulation facility;
and/or the device for monitoring the water body liquid level is a liquid level sensor, a liquid level meter or a liquid level switch;
and/or setting a pollutant concentration standard value C1 in a control unit of the control system according to the environmental capacity of the discharged natural water body and the water quality of the water body entering the diversion well;
and/or setting a pollutant concentration superscript C2 in the control unit according to the environmental capacity of the discharged natural water body, the water quality of the water body entering the diversion well and the highest pollutant concentration which can be treated by the on-line treatment facility;
and/or the device for monitoring the water quality of the water body is a water quality detector, an online COD (chemical oxygen demand) monitor, an online ammonia nitrogen monitor, an online TSS (TSS) monitor, an online BOD (biochemical oxygen demand) monitor and an online NH (NH) monitor 3 -N monitor, on-line TP monitor, on-line TN monitor, electrode or conductivity meter, which monitors the concentration of contaminants in the water in the well body of the shunt well, said contaminants comprising TSS, COD, BOD, NH 3 -one or more of N, TN or TP;
and/or the water quality detector adopts an electrode method, a UV optical method and an optical scattering method to detect the water quality of the water body.
13. A drainage control method controlled by a water level-water quality method, the drainage control method is based on the drainage system of any one of claims 1-3, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring the water level and a device for monitoring the water quality of a water body and is arranged in a well body of a diversion well, a second monitoring device in the control system comprises a device for monitoring the water level and is arranged in a regulation facility, and a warning water level H2 of the diversion well, a pollutant concentration standard value C1 and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1c) The water enters the diversion well from the water inlet, the water level height H in the well body of the diversion well is monitored in real time through a device for monitoring the water level, and the water quality C in the well is monitored in real time through a device for monitoring the water quality of the water; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2c) When H is more than or equal to H2 and C is more than or equal to C1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
3c) When H is more than or equal to H2 and C is less than or equal to C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state;
4c) When H is smaller than H2 and C is larger than or equal to C1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
5c) When H < H2 > and C < C1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state.
14. The drainage control method according to claim 13, wherein the guard 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;
and/or setting a highest water storage level H3 of the regulation facility in a control unit of the control system according to the accommodation capacity of the regulation facility;
and/or the device for monitoring the water body liquid level is a liquid level sensor, a liquid level meter or a liquid level switch;
and/or setting a pollutant concentration standard value C1 in a control unit of the control system according to the environmental capacity of the discharged natural water body and the water quality of the water body entering the diversion well;
and/or setting a pollutant concentration superscript C2 in the control unit according to the environmental capacity of the discharged natural water body, the water quality of the water body entering the diversion well and the highest pollutant concentration which can be treated by the on-line treatment facility;
and/or the device for monitoring the water quality of the water body is a water quality detector, an online COD (chemical oxygen demand) monitor, an online ammonia nitrogen monitor, an online TSS (TSS) monitor, an online BOD (biochemical oxygen demand) monitor and an online NH (NH) monitor 3 -N monitor, on-line TP monitor, on-line TN monitor, electrode or conductivity meter, which monitors the concentration of contaminants in the water in the well body of the shunt well, said contaminants comprising TSS, COD, BOD, NH 3 -one or more of N, TN or TP;
and/or the water quality detector adopts an electrode method, a UV optical method and an optical scattering method to realize the detection of the water quality of the water body.
15. A drainage control method controlled by a total amount-water level method, the drainage control method is based on the drainage system of any one of claims 1-3, the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring the total amount of water and is arranged on a second water switch in a well body of a diversion well, the first monitoring device in the control system also comprises a device for monitoring the water level and is arranged in the well body of the diversion well, a second monitoring device in the control system comprises a device for monitoring the water level and is arranged in a regulation facility, and a standard total amount of primary rain Q1 required to be intercepted by the diversion well, a warning water level H2 of the diversion well and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1e) In rainy days, water enters the diversion well from the water inlet, the water level height H in the well body of the diversion well is monitored in real time through a device for monitoring the water level, and the total quantity Q of the water passing through the second water conservancy switch is monitored in real time through a device for monitoring the total quantity of the water; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
2e) When H is more than or equal to H2 and Q is less than or equal to Q1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
3e) When H is more than or equal to H2 and Q is more than or equal to Q1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state;
4e) When H < H2 and Q < Q1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
5e) When H is smaller than H2 and Q is larger than or equal to Q1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state.
16. The drainage control method of claim 15, wherein the method further comprises the steps of:
6e) When sunny days, the water body enters the diversion well from the water inlet, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is guaranteed to flow through the eighth water conservancy switch at a constant flow rate.
17. The drainage control method according to claim 15, wherein a standard total amount of initial rain Q1 required to be intercepted by the diversion well is set in a control unit of the control system according to the total amount of initial rain required to be collected in the corresponding water receiving area of the diversion well;
and/or the device for monitoring the total water body is selected from an electric hoist with a metering function;
and/or setting the warning water level H2 of the diversion well in a 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 water accumulation risk occurs;
and/or setting a highest water storage level H3 of the regulation facility in a control unit of the control system according to the accommodation capacity of the regulation facility;
And/or the device for monitoring the water body liquid level is a liquid level sensor, a liquid level meter and a liquid level switch.
18. A drainage control method based on the drainage system of any one of claims 1-3, wherein the drainage system comprises a control system, a first monitoring device in the control system comprises a device for monitoring the rainfall and is arranged outside a well body of a diversion well, a first monitoring device in the control system further comprises a device for monitoring the water body liquid level and is arranged in the well body of the diversion well, a second monitoring device in the control system comprises a device for monitoring the water body liquid level and is arranged in a regulation facility, and a standard initial rainfall L1 required to be intercepted by the diversion well, a warning water level H2 of the diversion well and a highest water storage water level H3 of the regulation facility are set in a control unit of the control system; the method comprises the following steps:
1g) The water enters the diversion well from the water inlet, and the initial rain quantity L is monitored in real time through a device for monitoring the rain quantity;
2g) When l=0, on a sunny day, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
3g) When L is more than 0, in rainy days, monitoring the water level height H in the well body of the diversion well in real time through a device for monitoring the water level; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
4g) When H is more than or equal to H2 and 0< L1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
5g) When H is more than or equal to H2 and L is more than or equal to L1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state;
6g) When H < H2 and 0< L1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
7g) When H is smaller than H2 and L is larger than or equal to L1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state.
19. The drainage control method according to claim 18, wherein a standard initial rain amount L1 of the diversion well to be intercepted is set in a control unit of the control system according to the number of the initial rain millimeters to be collected in the corresponding water receiving area of the diversion well;
and/or, the device for monitoring the rainfall is a rain gauge;
and/or setting the warning water level H2 of the diversion well in a 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 water accumulation risk occurs;
and/or setting a highest water storage level H3 of the regulation facility in a control unit of the control system according to the accommodation capacity of the regulation facility;
and/or the device for monitoring the water body liquid level is a liquid level sensor, a liquid level meter and a liquid level switch.
20. A drainage control method controlled by a time-water level method, the drainage control method being based on the drainage system of any one of claims 1-3, the drainage system comprising a control system, a first monitoring device in the control system comprising a device for monitoring time and being arranged in or outside a shunt well, a first monitoring device in the control system further comprising a device for monitoring water body level and being arranged in the shunt well, a second monitoring device in the control system comprising a device for monitoring water body level and being arranged in a regulation facility, a standard time T1, a warning water level H2 of the shunt well and a highest water storage water level H3 of the regulation facility being set in a control unit of the control system; the method comprises the following steps:
1i) When the water body enters the diversion well from the water inlet on sunny days, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
2i) In rainy days, water enters the diversion well from the water inlet, the water level height H in the diversion well is monitored in real time through a device for monitoring the water level, and the rainfall time T is monitored in real time through a device for monitoring the time; the water level height H' in the regulation facility is monitored in real time through a device for monitoring the water level;
4i) When H is more than or equal to H2 and T is less than T1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an on state, the fourth water conservancy switch is in an on state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
5i) When H is more than or equal to H2 and T is more than or equal to T1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in an open state, and the eighth water conservancy switch is in a closed state;
6i) When H < H2 and T < T1, if H' < H3, the second water conservancy switch is in an on state, the third water conservancy switch is in an off state, the fourth water conservancy switch is in a cut-off state, the eighth water conservancy switch is in an on state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate; if H'. Gtoreq.H2, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, the eighth water conservancy switch is in an open state, and the water body is ensured to flow through the eighth water conservancy switch at a constant flow rate;
7i) When H is smaller than H2 and T is larger than or equal to T1, the second water conservancy switch is in a closed state, the third water conservancy switch is in an open state, the fourth water conservancy switch is in a shut-off state, and the eighth water conservancy switch is in a closed state.
21. The drainage control method according to claim 20, wherein a standard time T1 is set in a control unit of the control system according to a rainfall time of the initial rainwater and a time required for all initial rainwater to flow to the diversion well in the corresponding water receiving area of the diversion well;
And/or, the device for monitoring the time is a timer;
and/or setting the warning water level H2 of the diversion well in a 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 water accumulation risk occurs;
and/or setting a highest water storage level H3 of the regulation facility in a control unit of the control system according to the accommodation capacity of the regulation facility;
and/or the device for monitoring the water body liquid level is a liquid level sensor, a liquid level meter and a liquid level switch.
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| JPH04265329A (en) * | 1991-02-21 | 1992-09-21 | Hazama Gumi Ltd | Rain-water disposal method of sewerags system, and construction method of rain-water disposal equipment and rain-water retardation pipe line |
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