CN109339191A - Road rainwater pneumatic diversion treatment system and its control method - Google Patents
Road rainwater pneumatic diversion treatment system and its control method Download PDFInfo
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- CN109339191A CN109339191A CN201811280536.8A CN201811280536A CN109339191A CN 109339191 A CN109339191 A CN 109339191A CN 201811280536 A CN201811280536 A CN 201811280536A CN 109339191 A CN109339191 A CN 109339191A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
- E03F5/107—Active flow control devices, i.e. moving during flow regulation
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
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- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
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Abstract
The present invention discloses a kind of road rain water and pneumatically shunts processing system, it include: compressed gas source, air shooter and it is set to shunting well on municipal rain pipe, shunting well includes well body structure and the import that is arranged in the well body structure, first outlet pipe, second outlet pipe and the pneumatic cut-off equipment being set on the second outlet pipe, respectively second pneumatic cut-off equipment, the wherein municipal rain pipe of inlet communication shunting well upstream, the municipal rain pipe or natural water in the first outlet pipe connection shunting well downstream, second outlet pipe is connected to municipal wastewater pipe or sewage treatment facility, the first rain pipe of third outlet or initial rainwater treatment facility；Control valve comprising the second control valve is respectively arranged on air shooter, and the second control valve controls being filled and deflated by for the second pneumatic cut-off equipment respectively, for controlling cut-off, the conducting of corresponding second outlet pipe respectively.
Description
Technical Field
The invention relates to municipal rainwater and sewage diversion, in particular to a pipeline diversion system and a diversion method, and belongs to the technical field of civil buildings and municipal water supply and drainage.
Background
At present, in a diversion well, a abandoning well and an intercepting well system, the system is composed of a water inlet pipe, a water outlet pipe and a sewage pipe, domestic sewage or initial rainwater and later stage rainwater in a drain pipe are diverted, wherein the domestic sewage or the initial rainwater is intercepted to the sewage pipe and then is conveyed to a sewage treatment plant for treatment and then is discharged after reaching the standard (further, the initial rainwater can be stored or intercepted to the sewage treatment plant for treatment and then is discharged after reaching the standard), and the rainwater or the middle and later stage rainwater is directly discharged to natural water.
In reality, devices for realizing the cut-off and conduction functions in a diversion well, a abandoning well and an intercepting well generally adopt electric control or hydraulic control. However, in reality, the following problems exist in the electric control: 1. flammable and explosive biogas is generally generated in a closed pipeline and a sewage environment, and a general electric control device is easy to explode and unsafe, so that an electric control part in contact with the biogas is required to have an explosion-proof function when the electric control device is applied, and therefore, an electric control system is expensive and high in cost; 2. under the severe environment of the second storm gas, the power failure can occur, and equipment in a diversion well, a flow abandoning well or a catch basin can not work normally after the power failure, so that the urban waterlogging and other situations occur; 3. under the second gas, the flooding conditions of the diversion well, the abandoning well and the intercepting well are between hours and days, so that the redundancy and the cost are too high by adopting an electric control device which is completely suitable for underwater use, and the flooding capacity of the common electric control device with the IP68 grade is insufficient within hours; 4. the device of the electric control system uses non-safe voltage, and the high voltage is unsafe and easy to have accidents; 5. after the electrical equipment is flooded, the electric leakage is easy to occur, and the electric shock danger exists; 6. the electric control equipment (a gate and a weir gate) needs an upward or downward stroke during operation, the urban ground is exposed, the urban landscape beautiful traffic is influenced, and the excavation area is large during construction; 7. the electric control system uses 380V three-phase power, and a municipal power grid cannot supply power, so that the problem of difficulty in power supply is solved.
Particularly, for the occasion requiring the concealed installation, the power supply and the generated cost of the electric control system are not easy to be solved. Hydraulic control also has certain problems: the hydraulic station uses a high-pressure oil pipe, and the cost of the hydraulic station and the high-pressure oil pipe is high; the high-pressure oil pipe is broken and leaks oil to pollute the environment; after the electrical equipment is flooded, the electric leakage is easy to occur, and the electric shock danger exists; the electric control equipment (the gate and the weir gate) needs an upward or downward stroke during operation, the urban ground is exposed, the urban landscape beautiful traffic is influenced, and the excavation area is large during construction. In addition, in the prior art, when a living district, a road district, a discharge port and the like are treated, only the sewage and rainwater conditions of the current position and the current area are considered, resource sharing is not carried out, and the treatment cost is high.
Disclosure of Invention
In view of the safety problems of the prior art with electrical control and the high cost of hydraulic control, the inventors considered a device that uses compressed air as a power source. The compressed air has smaller working pressure and is safer, the prior compressed air generation and control device is mature, reliable and economical, secondary pollution can not be introduced into the compressed air, and the compressed air device has no explosion risk. The compressed air control device can be flooded for a long time, however, the situation in the pipeline is complex, how to control the compressed air as power and ensure the safety and the low cost is a dilemma, the main problem in the process is that the design and the control of the pipeline need to meet the requirement of subsequent quick and convenient expansion, the inventor group develops the technical scheme of the invention through creative research and work aiming at the real situation of domestic combined and split drainage pipe networks, the road rainwater pneumatic split-flow processing system arranges the main split-flow well on the municipal rainwater pipeline, carries out the master control on the gas conveying main pipe and arranges the gas conveying branch pipe for expansion, the problems of ensuring the safety and the low cost by using the compressed air are solved skillfully, and the design and the control of the pipeline can meet the requirement of subsequent quick, convenient expansion, The requirement of convenient dilatation.
Therefore, the invention provides the following technical scheme:
pneumatic reposition of redundant personnel processing system of road rainwater for fluid to in the road municipal rainwater pipe shunts, its characterized in that includes:
a compressed gas source for providing compressed gas;
the gas conveying pipe is used for conveying gas;
the diversion well is arranged on the municipal rainwater pipe and comprises a well body structure, an inlet, a first water outlet pipe, a second water outlet pipe and a pneumatic cut-off device arranged on the second water outlet pipe, wherein the inlet, the first water outlet pipe and the second water outlet pipe are at least arranged on the well body structure, the second pneumatic cut-off device is a second pneumatic cut-off device, the inlet is communicated with the municipal rainwater pipe at the upstream of the diversion well, the first water outlet pipe is communicated with the municipal rainwater pipe or the natural water body at the downstream of the diversion well, and the second water outlet pipe is communicated with the municipal sewage pipe or the sewage treatment facility or the primary rainwater pipe;
and the control valve comprises a second control valve connected with the gas conveying pipe, and the second control valve is used for controlling the air charging and discharging of the second pneumatic cut-off device and respectively controlling the cut-off and the conduction of the corresponding second water outlet pipe.
On the basis of the scheme, the inlet height of the first water outlet pipe is higher than the inlet height of the second water outlet pipe; or,
the first water outlet pipe is further provided with a first pneumatic cut-off device, the control valve further comprises a first control valve, the first control valve is connected with the gas conveying pipe, and the first control valve controls the inflation and deflation of the first pneumatic cut-off device and is used for controlling the cut-off and the conduction of the first water outlet pipe.
On the basis of the scheme, the system also comprises a measuring instrument and a controller, wherein the measuring instrument and the control valve are respectively and electrically connected with the controller, the controller controls the control valve to act according to a measuring signal measured by the measuring instrument, wherein,
when the diverter well is provided with a second pneumatic cut-off device:
the controller is used for controlling the second control valve to act, so that a second water outlet pipe is communicated after the second pneumatic cut-off device deflates, domestic sewage and/or initial rainwater entering the diversion well are diverted to a municipal sewage pipe or sewage treatment facility or an initial rainwater pipe or an initial rainwater treatment facility or a regulation and storage pool, the second pneumatic cut-off device inflates the second water outlet pipe to be cut off, and rainwater entering the diversion well or middle and later stage rainwater is diverted to a municipal rainwater pipe or a natural water body;
when the diverter well is provided with a first pneumatic cut-off and a second pneumatic cut-off:
the controller is used for controlling the first control valve and the second control valve to act respectively, so that the second air-release second water outlet pipe of the second air-release cut-off device is switched on, the first air-release cut-off device is used for inflating the first water outlet pipe to cut off the domestic sewage and/or the initial rainwater entering the diversion well to be diverted to a municipal sewage pipe or a sewage treatment facility or an initial rainwater pipe or an initial rainwater treatment facility or a regulation pool, the first air-release water outlet pipe of the first air-release cut-off device is switched on, the second air-release cut-off device is used for inflating the second water outlet pipe to cut off the rainwater entering the diversion well or the rainwater at the middle and later periods to be diverted.
On the basis of the scheme, at least two diversion wells are arranged at intervals along the municipal rainwater pipe; wherein,
when the diverter well is provided with a second pneumatic cut-off device:
the gas conveying pipeline comprises a second gas conveying main pipe and a plurality of gas conveying branch pipes, second pneumatic cut-off devices of all the diversion wells are respectively communicated with the second gas conveying main pipe through the gas conveying branch pipes, the second control valves are connected with the second gas conveying main pipes, and the second control valves are used for controlling the second pneumatic cut-off devices of all the diversion wells to be inflated or deflated simultaneously;
when the diverter well is provided with a first pneumatic cut-off and a second pneumatic cut-off:
the gas conveying pipeline comprises a first gas conveying main pipe, a second gas conveying main pipe, a plurality of gas conveying branch pipes, first pneumatic cut-off devices of all the diversion wells are communicated with the first gas conveying main pipe through the gas conveying branch pipes respectively, second pneumatic cut-off devices of all the diversion wells are communicated with the second gas conveying main pipe through the gas conveying branch pipes respectively, a first control valve is connected with the first gas conveying main pipe and used for controlling the first gas cut-off devices of all the diversion wells to be inflated or deflated simultaneously, a second control valve is connected with the second gas conveying main pipe and used for controlling the second pneumatic cut-off devices of all the diversion wells to be inflated or deflated simultaneously.
On the basis of the scheme, the tail end of the municipal rainwater pipe is connected with a natural water body, the tail end of the municipal sewage pipe is connected with a sewage treatment plant, and a regulation and storage tank is connected to the municipal sewage pipe before entering the sewage treatment plant;
and/or when the second water outlet pipe is communicated with the storage tank, the second water outlet pipes of the plurality of diversion wells are connected with one storage tank.
And/or the compressed air source is an air compressor, and the control valve is an electromagnetic valve combination or a two-position three-way reversing valve;
and/or the pneumatic cut-off device is a pneumatic pipe clamp valve or an air bag;
and/or the pneumatic cut-off device is arranged in the shunt well and positioned at the beginning of the first water outlet pipe and the second water outlet pipe, or arranged on the pipeline of the first water outlet pipe and the second water outlet pipe.
On the basis of the scheme, the measuring instrument comprises one or more of a rain gauge, a flow meter, a water meter, a timer, a water quality monitor and a liquid level meter,
correspondingly, the measurement information comprises one or more of rainfall, instantaneous flow, accumulated flow, rainfall time, water quality and water level in the well body structure.
On the basis of the scheme, the system further comprises a control center, and the controller is provided with a communication module communicated with the control center;
the control center sends an operation instruction to remotely control the controller and controls the control valve to be opened and closed through the controller; and/or the control center collects, displays and stores the measurement information collected by the measuring instrument through the controller and analyzes the measurement information.
On the basis of the scheme, the road rainwater pneumatic distribution method comprises the road rainwater pneumatic distribution processing system according to claim 3, and is used for correspondingly distributing sewage, initial rainwater and rainwater in municipal rainwater pipes in an area or middle and later stage rainwater: the method comprises a first mode and a second mode, wherein during rainfall, the measuring device continuously collects measuring information, the controller sets a first threshold value, and the controller compares the collected measuring information with the first threshold value to execute the first mode or the second mode, wherein
When the measurement information does not reach a first threshold value, a first mode is selected:
when the diversion well is provided with a second pneumatic cut-off device, the controller controls a second control valve to act, the second pneumatic cut-off device is communicated with air to release air, the second water outlet pipe is communicated, and sewage and/or initial rainwater entering the diversion well are diverted to the municipal sewage pipe or sewage treatment facility or the initial rainwater pipe or the initial rainwater treatment facility or the storage regulation pool;
when the diversion well is provided with a first pneumatic cut-off device and a second pneumatic cut-off device, the controller respectively controls the first control valve and the second control valve to respectively act, the second pneumatic cut-off device is communicated with air to deflate, the second water outlet pipe is communicated, the first pneumatic cut-off device is respectively communicated with the compressed air source to inflate, the first water outlet pipe is cut off, and sewage and/or initial rainwater entering the diversion well are diverted to the municipal sewage pipe or sewage treatment facility or primary rainwater pipe or initial rainwater treatment facility or regulation pool;
when the measurement information reaches a first threshold, switching from the first mode to the second mode, specifically as follows:
when the diversion well is provided with a second pneumatic cut-off device, the controller controls the second pneumatic cut-off device to act, the second pneumatic cut-off device is communicated with the compressed air source for inflation, the second water outlet pipe is stopped, and rainwater entering the diversion well or rainwater in the middle and later periods is diverted to a natural water body through the first water outlet pipe;
work as the reposition of redundant personnel well sets up first pneumatic cut-off equipment and the pneumatic cut-off equipment of second, and controller control the action of the pneumatic cut-off equipment of second, the pneumatic cut-off equipment of second with the compressed air source intercommunication is aerifyd, the second outlet pipe ends, and the action of first pneumatic cut-off equipment, first pneumatic cut-off equipment and air intercommunication gassing, first outlet pipe switches on, will get into the rainwater in the reposition of redundant personnel well or middle and later stage rainwater through first outlet pipe reposition of redundant personnel to natural water.
On the basis of the scheme, the measuring instrument comprises one or more of a rain gauge, a flow meter, a water meter, a timer and a liquid level meter,
correspondingly, the measurement information comprises one or more of rainfall, instantaneous flow, accumulated flow, rainfall time and water level in the well body structure.
On the basis of the scheme, the fact that the measurement information does not reach the first threshold value corresponds to the fact that the measurement information is larger than or equal to the first threshold value;
the measurement information reaching the first threshold corresponds to the measurement information being less than the first threshold
On the basis of the scheme, at least two pneumatic diversion wells are arranged at intervals along the municipal rainwater pipe, and the controller controls all the diversion wells to execute the same action, wherein
When the diverter well is provided with a second pneumatic cut-off device:
the gas conveying pipeline comprises a second gas conveying main pipe and a plurality of gas conveying branch pipes, second pneumatic cut-off devices of all the diversion wells are respectively communicated with the second gas conveying main pipe through the gas conveying branch pipes, and the second control valves are connected with the second gas conveying main pipe;
when the diverter well is provided with a first pneumatic cut-off and a second pneumatic cut-off:
the gas conveying pipeline comprises a first gas conveying main pipe, a second gas conveying main pipe, a gas conveying main pipe and a plurality of gas conveying branch pipes, first pneumatic cut-off devices of all the diversion wells are communicated with the first gas conveying main pipe through the gas conveying branch pipes respectively, second pneumatic cut-off devices of all the diversion wells are communicated with the second gas conveying main pipe through the gas conveying branch pipes respectively, a first control valve is connected with the first gas conveying main pipe, and a second control valve is connected with the second gas conveying main pipe.
The invention has the following functions and effects:
1. the cost is low: the working pressure of compressed air is lower and safer, the existing compressed air generating and controlling device is mature, reliable and economical, the power source of the pneumatic diversion well is a gas station, and the cost of the gas station is lower than that of a hydraulic station; the cost of the air pipe is lower as compared with that of a high-pressure oil pipe; a plurality of pneumatic flow dividing wells can share one gas source and one gas conveying main pipe, so that the cost is saved;
2. and (3) environmental protection: the compressed air can not introduce secondary pollution, and the compressed air device has no explosion risk; safety:
3. the construction is simple: the excavation amount is small;
4. does not occupy the height space: the earth surface can not be exposed, and the urban beauty and traffic are not disturbed;
5. safety: the shunt well does not use non-safety voltage on site, and no safety accident of electricity utilization exists;
6. the power supply is easy to obtain: the power supply voltage of the shunt well is 220V, and the shunt well can use a municipal and civil power grid and is convenient to obtain;
7. the reliability is high: the normal work of equipment is not influenced by urban inland inundation and flooding;
8. antiwind anti-clogging ability is strong: because the sewage contains more entanglement, sundries, floaters and the like, the overflowing channel of the device after being installed and the flow channel of the municipal pipeline are completely kept in consistent and smooth transition, and the entanglement and blockage can not be generated;
9. zero water loss: the overflowing channel after the device is installed and the flow channel of the municipal pipeline are completely kept in consistent and smooth transition, and drainage and flood discharge are not influenced;
10. the service life is long: in the environment of using sewage, the electric or hydraulic equipment used in sewage can often break down, and the opening and closing piece of the pneumatic cut-off device is simple and can not break down. 11. Sealing is good: the general electric or hydraulic equipment has poor water leakage sealing caused by the blockage of sundries, and the pneumatic cut-off device adopts flexible rubber sealing and has a larger sealing surface, so the sealing effect is reliable.
12. Capacity expansion and control are convenient: can follow town road downspout interval and set up a plurality of reposition of redundant personnel wells, reposition of redundant personnel well through gas delivery branch union coupling to gas delivery on the main line just can, all reposition of redundant personnel wells share compressed air source, control valve and gas delivery main line, only need set up the control valve on the main line, simultaneously with control valve and controller, compressed air source sets up in the control room, just can control the reposition of redundant personnel process of sewage and rainwater to the inflation and deflation of the pneumatic cut-off equipment in all pneumatic reposition of redundant personnel wells, and be convenient for insert and expand, not only with low costs, and security maneuverability is high, piece control, response speed is fast, and the operation is simple.
Drawings
Fig. 1 is a schematic structural view of a road rainwater pneumatic diversion treatment system with a second water outlet pipe connected with a sewage pipe according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a road rainwater pneumatic diversion processing system with a second water outlet pipe connected with a primary rainwater storage tank in the embodiment of the invention;
FIG. 3 is a top view of a pneumatic diverter well in an embodiment of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a control system diagram of the road rainwater pneumatic diversion treatment system of the invention.
Illustration of the drawings:
a municipal rainwater pipe 2, a municipal sewage pipe 3 and a regulation and storage tank 4;
the system comprises a compressed gas source 10, a control valve 20, a first control valve 21, a second control valve 22, a gas conveying main pipe 30, a pneumatic flow dividing well 40, a controller 50, a measuring instrument 60 and a gas conveying branch pipe 31;
well structure 41, inlet 42, first outlet pipe 43, second outlet pipe 44, second pneumatic cut-off 46, first pneumatic cut-off 48.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example one
Referring to fig. 1, 2, 3 and 4, a road storm water pneumatic diversion treatment system for diverting fluid in a road municipal storm water pipe 2 comprises:
a compressed gas source 10 for providing compressed gas;
the gas conveying pipe is used for conveying gas;
the diversion well 40 is arranged on the municipal rainwater pipe 2, as shown in fig. 3 and 4, the diversion well 40 comprises a well body structure 41, and at least an inlet 42, a first water outlet pipe 43, a second water outlet pipe 44 and a second pneumatic cut-off device 46 which is a pneumatic cut-off device and is arranged on the second water outlet pipe 44 which are arranged on the well body structure 41, wherein the inlet 42 is communicated with the municipal rainwater pipe 2 at the upstream of the diversion well 40, the first water outlet pipe 43 is communicated with the municipal rainwater pipe 2 or natural water body at the downstream of the diversion well 40, and the second water outlet pipe 44 is communicated with the municipal sewage pipe 3 or sewage treatment facility or primary rainwater pipe or initial rainwater treatment facility or regulation pool; the sewage treatment facility in the embodiment is an integrated sewage treatment station, and the initial rainwater treatment facility is a biological filter or a sedimentation tank or an inclined plate sedimentation device.
And the control valves 20, including the second control valves 22, are respectively arranged on the gas delivery pipes, and the second control valves 22 control the inflation and deflation of the second pneumatic cut-off devices 47, so as to respectively control the cut-off and the conduction of the corresponding second water outlet pipes 45.
On the basis of the above scheme, the form of the split-flow well 40 in this embodiment may be a form one or a form two, where the form one is: a second pneumatic cut-off device 46 is arranged on a second water outlet pipe 44 of the diversion well 40, and the inlet height of the first water outlet pipe 43 is higher than the water inlet height of the second water outlet pipe 45; in the second form, the first water outlet pipe 43 is also provided with a first pneumatic cut-off device 48, the control valve 20 further includes a first control valve 21, the first control valve 21 is disposed on the gas delivery pipe, and the first control valve 21 controls the inflation and deflation of the first pneumatic cut-off device, so as to control the cut-off and the conduction of the first water outlet pipe 43.
The gas delivery pipe in this embodiment includes a gas delivery main pipe 30 and a plurality of gas delivery branch pipes 31, the first pneumatic shutoff device 48 and the second pneumatic shutoff device 46 are respectively connected to the gas delivery main pipe 30 through a gas delivery branch pipe 31, and the corresponding gas delivery branch pipe 31 is provided with a first control valve 21 and a second control valve 22. Wherein the gas transmission main pipe 30 is connected with the gas transmission branch pipe 31 and the compressed gas source 10. In addition, two gas conveying main pipes 30 can also be arranged, a first pneumatic cut-off device 48 and a second pneumatic cut-off device 46 are respectively connected with the gas conveying main pipes 30, and a first control valve 21 and a second control valve 22 are arranged on the corresponding gas conveying main pipes 30. The pneumatic cut-off device is a pneumatic pipe clamp valve or an air bag or an air pillow, in the embodiment, the air bag is a drum-shaped air bag and is fixed through a rope. The pneumatic cut-off device is arranged in the diversion well and positioned at the start ends of the first water outlet pipe and the second water outlet pipe or arranged on the pipelines of the first water outlet pipe and the second water outlet pipe
Referring to fig. 2, the end of the municipal rainwater pipe 2 in this embodiment is connected to a natural water body, and the end of the municipal sewage pipe 3 is connected to a sewage treatment plant, and the municipal sewage pipe 3 is connected to a storage tank 4 before entering the sewage treatment plant. When the sewage treatment plant has no capacity, the sewage can be temporarily stored in the regulating and storing tank 4 and treated again when the sewage treatment plant has the capacity, so that the peak shifting treatment is carried out.
Example 2
Referring to fig. 5, on the basis of example 1: the system further comprises a measuring instrument 60 and a controller 50, wherein the measuring instrument 60 and the control valve 20 are respectively electrically connected with the controller 50, the controller 50 controls the control valve 20 to act according to a measuring signal measured by the measuring instrument 60, wherein,
when the diverter well 40 is provided with the second pneumatic stop 46, it is of the form one:
the measuring instrument 60 is used for controlling the second control valve 22 to act respectively, so that the second water outlet pipe 44 is communicated after the second pneumatic cut-off device 46 deflates, the domestic sewage and/or the initial rainwater entering the diversion well 40 are diverted to the municipal sewage pipe 3 or the sewage treatment facility or the initial rainwater pipe or the initial rainwater treatment facility or the regulation and storage tank, the second pneumatic cut-off device 47 inflates the second water outlet pipe 45 to be cut off, and the rainwater entering the diversion well 40 or the rainwater at the middle and later stages are diverted to the municipal rainwater pipe 2 or the natural water body at the downstream of the diversion well 40;
when the diverter well 40 is provided with the first pneumatic stop 48, the second pneumatic stop 46, of the type two:
the measuring instrument is used for controlling the first control valve 221 and the second control valve 22 to respectively act, so that the second water outlet pipe 44 is communicated after the second pneumatic cut-off device 46 is deflated, the first water outlet pipe 45 is stopped after the first pneumatic cut-off device 48 is inflated, domestic sewage and/or initial rainwater entering the diversion well 40 are diverted to the municipal sewage pipe 3 or sewage treatment facility or the primary rainwater pipe or the initial rainwater treatment facility, the first water outlet pipe 43 is communicated after the first pneumatic cut-off device 48 is deflated, the second water outlet pipe 45 is stopped after the second pneumatic cut-off device 47 is inflated, and rainwater entering the diversion well 40 or middle and later stage rainwater is diverted to the municipal rainwater pipe 2 or natural water body.
The measuring instrument comprises one or more of a rain gauge, a flow meter, a water gauge, a timer, a water quality monitor and a liquid level meter, correspondingly, the measuring information comprises one or more of rainfall, rainfall time, instantaneous flow, accumulated water volume, water quality and water level in the well body structure 41.
The flowmeter is arranged on the water outlet of the diversion well 40 and is controlled by setting a flow threshold value through the controller 50, and the instantaneous flow collected by the flowmeter is sent to the controller 50 as measurement information.
The water meter is arranged on a water outlet of the flow dividing well 40 and is controlled by setting a flow threshold value through the controller 50, and the accumulated flow collected by the water meter is sent to the controller 50.
The timer is controlled by setting a time threshold of the rainfall time, measures the rainfall time, and transmits the rainfall time as measurement information to the controller 50.
The water quality monitor monitors and acquires a water quality index in water by installing the detector in the inlet 42 of the water discharge pipe, sets a threshold value of the corresponding water quality index, and transmits a measurement value of the water quality index as measurement information to the controller 50 in real time.
And a liquid level meter installed in a downhole portion of the diversion well 40, the abandonment well or the intercepting well, controlled by measuring a liquid level, and transmitting the measured liquid level as measurement information to the controller 50.
The rain gauge is placed outdoors in the open air, performs control by measuring the amount of rain, and transmits the measured amount of rain as measurement information to the controller 50.
In the above embodiment, one measuring instrument may be used, and in order to improve the accuracy of control or in a special requirement, multiple measuring instruments may be provided to collect multiple kinds of measurement information for control: when various kinds of measurement information meet the requirements, the controller 50 acts, and the operation enables the rainwater and sewage to be better in shunting effect.
The control method of the system comprises the following steps:
the method comprises a first mode and a second mode, wherein during rainfall, the measuring device continuously collects measuring information, the controller 50 sets a first threshold value, and the controller 50 executes the first mode or the second mode according to comparison between the collected measuring information and the first threshold value, wherein the first mode or the second mode is executed
S1, when the measurement information does not reach the first threshold, it is a first mode:
when the diversion well 40 is provided with the second pneumatic interception device 46, namely, the first type, the controller 50 respectively controls the second control valve 22 to act, the second pneumatic interception device 46 is communicated with air to be deflated, the second water outlet pipe 44 is communicated, and sewage and/or initial rainwater entering the diversion well 40 are diverted to the municipal sewage pipe 3 or sewage treatment facility or initial rainwater pipe or initial rainwater treatment facility;
when the diversion well 40 is provided with the first pneumatic interception device 48 and the second pneumatic interception device 46, namely the second form, the controller 50 respectively controls the first control valve 22 and the second control valve 22 to respectively act, the second pneumatic interception device 46 is communicated with air to deflate, the second water outlet pipe 44 is communicated, the first pneumatic interception device 4847 is respectively communicated with the compressed air source 10 to inflate, the first water outlet pipe 45 is cut off, and sewage entering the diversion well 40 is diverted to the municipal sewage pipe 3 or a sewage treatment facility or an initial rain pipe or an initial rain water treatment facility; (ii) a
S2, when the measurement information reaches the first threshold, switching from the first mode to the second mode, specifically as follows:
if the diversion well 40 is provided with the second pneumatic cut-off device 46, namely the first form, if the controller 50 controls the second pneumatic cut-off device 47 to act, the second pneumatic cut-off device 47 is communicated with the compressed air source 10 for inflation, the second water outlet pipe 45 is cut off, and rainwater entering the diversion well 40 at the middle and later stages is diverted to the natural water body through the first water outlet pipe 43;
if the diversion well 40 is provided with a first pneumatic cut-off device 48 and a second pneumatic cut-off device 46, namely a second form, the controller 50 controls the second pneumatic cut-off device 47 to act, the second pneumatic cut-off device 47 is communicated with the compressed air source 10 for inflation, the second water outlet pipe 45 is cut off, the controller 50 controls the first pneumatic cut-off device 48 to act, the first pneumatic cut-off device 48 is communicated with the air for deflation, the first water outlet pipe 43 is communicated, and rainwater entering the diversion well 40 in the middle and later periods is diverted to the natural water body through the first water outlet pipe 43.
Specifically, when the measurement information is the rainfall measured by using a rain gauge, the first threshold is a first rainfall threshold, the second threshold is a second rainfall threshold, the second rainfall threshold is greater than the first rainfall threshold, and the selected value of the first rainfall threshold is greater than or equal to zero. By analogy, different types of threshold values can be selected according to specific use requirements, and the control method is adjusted on the basis of the scheme.
When the measuring instrument is a water quality detector,
the measurement information not reaching the first threshold corresponds to the measurement information being greater than or equal to the first threshold;
the measurement information reaching the first threshold corresponds to the measurement information being less than the first threshold.
Example 3
In this embodiment, on the basis of the embodiments 1 and 2, at least two diversion wells 40, namely a diversion well a and a diversion well B, are arranged at intervals along the municipal rainwater pipe 2, for example, wherein,
when the diverter well 40 is provided with the second pneumatic stop 46, i.e. in the form of one:
the gas conveying pipeline comprises a second gas conveying main pipe 30 and a plurality of gas conveying branch pipes 31, second pneumatic cut-off devices 46 of all the diversion wells 40 are respectively communicated with the second gas conveying main pipe 30 through the gas conveying branch pipes 31, a second control valve 22 is arranged on the second gas conveying main pipe 30, the second control valve 22 is used for controlling the second pneumatic cut-off devices 46 of all the diversion wells 40 to be inflated or deflated simultaneously, the second pneumatic cut-off device 46 of the diversion well A is connected with the second gas conveying main pipe 30 through the gas conveying branch pipe 31 of the diversion well A, and the second gas cut-off device 46 of the diversion well B is connected with the second gas conveying main pipe 30 through the gas conveying branch pipe 31 of the diversion well B;
when the diverter well 40 is provided with a first pneumatic stop 48, a second pneumatic stop 46, i.e. of type two:
the gas conveying pipeline comprises a first gas conveying main pipe 30, a second gas conveying main pipe 30 and a plurality of gas conveying branch pipes 31, first pneumatic intercepting devices 48 of all the diversion wells 40 are communicated with the first gas conveying main pipe through the gas conveying branch pipes 31 respectively, second pneumatic intercepting devices 46 of all the diversion wells 40 are communicated with the second gas conveying main pipe 30 through the gas conveying branch pipes 31 respectively, a first control valve 21 is arranged on the first gas conveying main pipe 30 and used for controlling the first gas intercepting devices of all the diversion wells 40 to be inflated or deflated simultaneously, a second control valve 22 is arranged on the second gas conveying main pipe 30, and the second control valve 22 is used for controlling the second pneumatic intercepting devices 46 of all the diversion wells 40 to be inflated or deflated simultaneously.
The control method comprises the following steps: when at least two pneumatic flow distributing wells are arranged at intervals along the municipal rainwater pipe, the controller controls all the flow distributing wells to execute the same action. All the diversion wells can simultaneously divert domestic sewage, initial rainwater and later rainwater.
Only a measuring instrument, one or two paths of gas conveying main pipes, a compressed gas source 10 and a control valve 20 need to be designed in one area, the control valve 20 can control the actions of all air bags connected with one gas conveying main pipe 30, only the control valve 20 needs to be arranged on the main pipe, and meanwhile, all pneumatic cut-off devices can be controlled to act to control the flow dividing process of sewage and rainwater by arranging the control valve 20, the controller 50 and the compressed gas source 10 in a control chamber, and the connection and the expansion are convenient. The whole system has simple pipeline relation, easy design realization and convenient capacity expansion.
Example 4
In the above embodiment, when the second water outlet pipe 44 is communicated with the storage tank, the second water outlet pipes 44 of the plurality of diversion wells 40 are connected with one storage tank, and correspondingly, when diversion is performed, domestic sewage and/or initial rainwater directly enter the storage tank to be stored.
Or, as an optimization, in some occasions, two or more second water outlet pipes 45 of the pneumatic diversion wells 40 may be communicated with the same storage tank, as shown in fig. 3, so as to improve the utilization rate of the storage tank or reduce the number of the storage tanks, and save the construction cost.
On the basis of the above embodiments 1 to 4, the system further includes a control center, and the controller is provided with a communication module communicating with the control center;
the control center sends an operation instruction to remotely control the controller and controls the control valve to be opened and closed through the controller; and/or the control center collects, displays and stores the measurement information collected by the measuring instrument through the controller and analyzes the measurement information.
The embodiment has the following functions and beneficial effects: the pneumatic road rainwater diversion treatment system provided by the embodiment can be the diversion wells 40 which are independently arranged, or the diversion wells 40 are arranged at intervals along the road municipal rainwater pipe 2, each diversion well 40 is provided with an outlet communicated with the road municipal sewage pipe 3, the diversion wells 40 are used for diverting sewage in the road municipal rainwater pipe 2 to the municipal sewage pipe 3 arranged in the road or diverting initial rainwater to an initial rainwater pipe or an initial rainwater treatment facility, the clean rainwater in middle and later periods is diverted to the municipal rainwater pipe 2, the pneumatic intercepting devices are arranged on the outlets of the diversion wells 40 communicated with the road municipal sewage pipe 3, and the pneumatic intercepting devices in all the diversion outlets on the road municipal rainwater pipe 2 are communicated through the same compressed air source 10 and the control valve 20; use compressed air can be safely controllable, and because all pneumatic cut-off equipment all divide pipe 31 to communicate with gas transmission main pipe 30 respectively through gas transmission, a plurality of shunted modes of main pipe promptly, only need set up control valve 20 on the main road, simultaneously with control valve 20 and controller 50, compressed air source 10 sets up in the control room in district, just can control the reposition of redundant personnel process of sewage and rainwater to the inflation and deflation of the pneumatic cut-off equipment in the pneumatic reposition of redundant personnel well 40 in whole district, and be convenient for insert and expand, not only with low costs, and security maneuverability is high.
For the condition that the outlet corresponding to the municipal sewage pipe 3 is arranged below the pneumatic flow dividing well 40, the sewage is short-circuited by using the height difference, so that the expansion and inflation process of the air bag is controlled by only designing one gas conveying main pipe 30, the design and layout cost of the pipeline is simplified, and the subsequent management and maintenance and the subsequent expansion and access process are facilitated.
Two air bags can be arranged for control, one air bag, one air conveying main pipe 30 and one control valve 20 are respectively used for carrying out unified control on the conduction and stop states of a sewage pipe, a rainwater pipe and a drain pipe of an inlet 42, only the same air source is used, the corresponding controller 50, the control valve 20 and the measuring instrument are arranged in a control room of a district, remote and synchronous control is realized, a control room is arranged in a certain district (such as a certain road of a district, a certain street of a city or a vegetable market, a shop or a gear area), and one control device (comprising the air source, the control valve 20, the controller 50 and the measuring instrument) can carry out flow distribution control on rainwater and sewage of the drain pipe (which can be in a flow distribution mode or a flow distribution mode) of a target district.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
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| CN201811280536.8A Pending CN109339191A (en) | 2018-08-28 | 2018-10-30 | Road rainwater pneumatic diversion treatment system and its control method |
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| CN109991686A (en) * | 2019-04-29 | 2019-07-09 | 南宁市景怡环保科技有限公司 | A kind of initial rainwater collection monitoring system and its monitoring method |
| CN111305357A (en) * | 2020-03-31 | 2020-06-19 | 同济大学建筑设计研究院(集团)有限公司 | Diverging device and rainwater reposition of redundant personnel processing system |
| CN111980138A (en) * | 2020-08-29 | 2020-11-24 | 北京逸智联科技有限公司 | Sponge city initial rainwater collection system and collection method |
| CN114703942A (en) * | 2022-05-19 | 2022-07-05 | 西华大学 | Rainwater interception system |
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| CN115710966B (en) * | 2022-10-24 | 2025-09-12 | 中国市政工程西南设计研究总院有限公司 | A rainwater collection system capable of realizing initial rainwater treatment and storage |
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