CN209243856U - Separate system with pneumatic shunting well - Google Patents

Abstract

A kind of separate system with pneumatic shunting well, it include: compressed gas source, air shooter and pneumatic shunting well, it include well body structure and import, the first, second, third outlet pipe and the pneumatic cut-off equipment being set on second, third outlet pipe in the well body structure, respectively second, third pneumatic cut-off equipment, the wherein drainpipe of the pneumatic shunting well upstream of inlet communication, the rain pipe or natural water in the first outlet pipe connection downstream, second outlet pipe is connected to sewage pipe, and third outlet pipe is connected to just rain pipe；Control valve comprising second, third control valve is respectively arranged on air shooter, second, third control valve controls being filled and deflated by for second, third pneumatic cut-off equipment respectively, for controlling cut-off, the conducting of second, third corresponding outlet pipe respectively；Drainpipe is the discharge pipe line that the collecting fitting of combined system cell, the rain pipe of separate system cell or separate system cell are mixed with the rain pipe of sewage or are discharged to before row's mouth of natural water.

Description

Flow dividing system with pneumatic flow dividing well

Technical Field

The utility model relates to a rainwater, sewage reposition of redundant personnel, concretely relates to reposition of redundant personnel system and control method with pneumatic reposition of redundant personnel well belongs to civil construction and plumbing technical field.

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 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.

SUMMERY OF THE UTILITY MODEL

To the defect that there are automatically controlled safety problem and hydraulic control's with high costs among the prior art, utility model people consider the device that uses compressed air as 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, because the condition is responsible for in the pipeline, how to control the compressed air as power and guarantee safety, the realization of with low costs is a dilemma problem, the main difficult problem of in-process is that the design and the control of pipeline need satisfy subsequent quick, convenient dilatation, the utility model discloses the people group is through creative research and work, to the domestic drain pipe reality condition of rain and sewage confluence control and rain and sewage reposition of redundant personnel system, developed the technical scheme of the utility model, this one advances three reposition of redundant personnel system and sets up main reposition of redundant personnel well on the drain pipe, through total control to the gas transmission main pipe, and set up the gas transmission branch pipe and carry out the dilatation, ingenious solution used compressed air to control and guarantee safety, problem with low costs, and make the design and the control of pipeline can satisfy subsequent quick, the realization of with low costs, The requirement of convenient dilatation. For one, a new flow dividing well is directly arranged in the drain pipe to lead out the corresponding pipeline to be connected with the rainwater pipe, the sewage pipe and the initial rainwater pipe, so that the new flow dividing well is only needed to be arranged, and the flow dividing control can be realized by connecting a gas conveying main pipe laid in the drain pipe with a conveying branch pipe, namely, the capacity can be quickly and conveniently expanded in the original system.

Therefore, the utility model provides the following technical scheme:

a flow diversion system with a pneumatic flow diversion well for diverting fluid in a drain, comprising:

a compressed gas source for providing compressed gas;

the gas conveying pipe is used for conveying gas;

the pneumatic flow-dividing well is provided with a flow-dividing well,

the pneumatic flow dividing well comprises a well body structure, an inlet, a first water outlet pipe, a second water outlet pipe, a third water outlet pipe, pneumatic cut-off devices arranged on the second water outlet pipe and the third water outlet pipe, and the pneumatic cut-off devices are respectively a second pneumatic cut-off device and a third pneumatic cut-off device, wherein the inlet is communicated with a drain pipe at the upstream of the pneumatic flow dividing well, the first water outlet pipe is communicated with a rainwater pipe or a natural water body at the downstream of the pneumatic flow dividing well, the second water outlet pipe is communicated with a sewage pipe or a sewage treatment facility or a regulation pool, and the third water outlet pipe is communicated with a primary rainwater pipe or a regulation pool or an initial rainwater treatment facility;

the control valve comprises a second control valve and a third control valve which are respectively connected with the gas conveying pipe, and the second control valve and the third control valve respectively control the charging and discharging of the second pneumatic cut-off device and the third pneumatic cut-off device and are used for respectively controlling the cut-off and the conduction of the corresponding second water outlet pipe and the corresponding third water outlet pipe;

the drainage pipe is a confluence pipe of a confluence system community, a rainwater pipe of a shunt system community, a rainwater pipe mixed with sewage of the shunt system community or a drainage pipeline before a discharge opening of a natural water body.

On the basis of the scheme, the inlet height of the first water outlet pipe is higher than the water inlet heights of the second water outlet pipe and the third water outlet pipe; or, still be provided with first pneumatic cut-off equipment on the first outlet pipe, the control valve still includes first control valve, first control valve with gas delivery pipe links to each other, first control valve control the inflation of first pneumatic cut-off equipment, gassing for control first outlet pipe cut-off, switch on.

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 and a third pneumatic cut-off device:

the measuring instrument is used for controlling the second control valve and the third control valve to respectively act, so that the second water outlet pipe is communicated when the second pneumatic cut-off device deflates, the third water outlet pipe is closed when the third pneumatic cut-off device inflates, and domestic sewage entering the diversion well is diverted to a sewage pipe or a sewage treatment facility or a regulation and storage pool; the third pneumatic cut-off device is deflated, and the third water outlet pipe is communicated, so that the initial rainwater entering the diversion well is diverted to the initial rainwater pipe or the regulation and storage pool or the initial rainwater treatment facility; the second and third pneumatic cut-off devices are inflated by the second and third water outlet pipes to be cut off, and the rainwater at the middle and later periods entering the diversion well is diverted to a rainwater pipe or a natural water body;

when the diversion well is provided with a first pneumatic cut-off device, a second pneumatic cut-off device and a third pneumatic cut-off device:

the measuring instrument is used for controlling the first control valve, the second control valve and the third control valve to respectively act, so that the second water outlet pipe is communicated when the second pneumatic cut-off device deflates, the first water outlet pipe and the third water outlet pipe are closed when the first pneumatic cut-off device and the third pneumatic cut-off device inflate, and domestic sewage entering the diversion well is diverted to a sewage pipe or a sewage treatment facility or a regulation and storage pool; the first water outlet pipe is filled with air by the first pneumatic cut-off device and is closed, the third water outlet pipe is discharged by the third pneumatic cut-off device and is communicated, and the initial rainwater entering the diversion well is diverted to the primary rainwater pipe or the storage tank or the initial rainwater treatment facility; the first water outlet pipe is communicated after the first pneumatic cut-off device is deflated, the second water outlet pipe and the third water outlet pipe are stopped after the second pneumatic cut-off device and the third pneumatic cut-off device are inflated, and rainwater entering the middle and later periods in the diversion well is diverted to a rainwater pipe or a natural water body.

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 detector 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 compressed air source is an air compressor, and the control valve is a solenoid valve combination or a three-way reversing valve;

and/or the pneumatic cut-off device is an air bag or a pneumatic pipe clamp valve;

and/or the pneumatic cut-off device is arranged in the shunt well and positioned at the beginning of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe, or arranged on the pipelines of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe.

On the basis of the scheme, at least two diversion wells are arranged, and each diversion well is arranged on a drainage pipe; wherein,

when the diverter well is provided with a second pneumatic cut-off device and a third pneumatic cut-off device:

the gas conveying pipeline comprises a second gas conveying main pipe, a third gas conveying main pipe and a plurality of gas conveying branch pipes, the 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 third pneumatic cut-off devices of all the diversion wells are respectively communicated with the third gas conveying main pipe through the gas conveying branch pipes, the second control valve is connected with the second gas conveying main pipe, the third control valve is connected with the third gas conveying main pipe, the second control valve is used for controlling the second pneumatic cut-off devices of all the diversion wells to be simultaneously inflated or deflated so as to simultaneously cut off or conduct the second water outlet pipes of all the diversion wells, the third control valves are used for controlling the third pneumatic intercepting devices of all the diversion wells to be inflated or deflated simultaneously, so that the third water outlet pipes of all the diversion wells are cut off or conducted simultaneously;

when the diversion well is provided with a first pneumatic cut-off device, a second pneumatic cut-off device and a third pneumatic cut-off device:

the gas conveying pipeline comprises a first gas conveying main pipe, a second gas conveying main pipe, a third gas conveying main pipe and a plurality of gas conveying branch pipes, first pneumatic cut-off devices of all the diversion wells are respectively communicated with the first gas conveying main pipe through the 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, third pneumatic cut-off devices of all the diversion wells are respectively communicated with the third gas conveying main pipe through the gas conveying branch pipes, 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 simultaneously inflated or deflated so as to simultaneously stop or conduct first water outlet pipes of all the diversion wells, 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 simultaneously inflated or deflated, and the third control valve is used for controlling the simultaneous inflation or deflation of the third pneumatic cut-off devices of all the diversion wells, so that the third water outlet pipes of all the diversion wells are simultaneously cut off or conducted.

On the basis of the scheme, when the second water outlet pipe or the third water outlet pipe is communicated with the regulation and storage tank, the second water outlet pipe or the third water outlet pipe of each diversion well is connected with one regulation and storage tank,

and/or when the second water outlet pipe or the third water outlet pipe is communicated with the storage regulation pool, the second water outlet pipe or the third water outlet pipe of the plurality of diversion wells is connected with one storage regulation pool.

On the basis of the scheme, the control method of the diversion system with the pneumatic diversion well comprises the diversion system with the pneumatic diversion well according to claim 3, and is used for correspondingly diverting the sewage, the initial rainwater and the middle and later stage rainwater in the drainage pipe: 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 a second 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 interception device and a third pneumatic interception device, the controller controls a second control valve and a third control valve to act or not to act according to the current states of a second water outlet pipe and a third water outlet pipe, so that the second pneumatic interception device is communicated with air to deflate, the second water outlet pipe is communicated, the third pneumatic interception device is communicated with the compressed air source to inflate, the third water outlet pipe is cut off, and sewage entering the diversion well is diverted to a sewage pipe or a regulation pool or a sewage treatment facility;

when the diversion well is provided with a first pneumatic cut-off device, a second pneumatic cut-off device and a third pneumatic cut-off device, the controller respectively controls the first control valve, the second control valve and the third control valve to respectively act or not act according to the current states of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe, 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 and the third pneumatic cut-off device are respectively communicated with the compressed air source to inflate, the first water outlet pipe and the third water outlet pipe are closed, and sewage entering the diversion well is diverted to the sewage pipe or the regulation pool or the sewage treatment facility;

when the measurement information reaches a first threshold, switching from the first mode to the second mode, specifically as follows:

when the measurement information lies between a first threshold and a second threshold,

the controller controls the third controller to act, the third pneumatic cut-off device is communicated with air to be deflated, the third water outlet pipe is communicated, and initial rainwater entering the diversion well is diverted to the initial rainwater pipe or an initial rainwater treatment facility or a regulation and storage pool;

when the measurement information reaches a second threshold value,

if the diversion well is provided with a second pneumatic cut-off device and a third pneumatic cut-off device, if the second water outlet pipe is in a conducting state, the controller controls the second and third pneumatic cut-off devices to act, the second and third pneumatic cut-off devices are communicated with the compressed air source to inflate, the second and third water outlet pipes are cut off, and the rainwater at the middle and later stages entering the diversion well is diverted to a rainwater pipe or a natural water body through the first water outlet pipe; if the second water outlet pipe is cut off, the controller controls the third pneumatic cut-off device to act, the third pneumatic cut-off device is communicated with the compressed air source to inflate, the third water outlet pipe is cut off, and the rainwater in the middle and later periods entering the diversion well is diverted to a rainwater pipe or a natural water body through the first water outlet pipe;

if the diversion well is provided with a first pneumatic cut-off device, a second pneumatic cut-off device and a third pneumatic cut-off device, if the second water outlet pipe is in a conduction state, the controller controls the second and third pneumatic cut-off devices to act, the second and third pneumatic cut-off devices are communicated with the compressed air source to inflate, the second and third water outlet pipes are stopped, the first pneumatic cut-off device acts, the first pneumatic cut-off device is communicated with the air to deflate, the first water outlet pipe is conducted, and the middle and later stage rainwater entering the diversion well is diverted to a rainwater pipe or a natural water body through the first water outlet pipe; if the second outlet pipe ends, the controller controls the third pneumatic cut-off equipment to act, the third pneumatic cut-off equipment is communicated with the compressed air source to be inflated, the third outlet pipe ends, the first pneumatic cut-off equipment acts, the first pneumatic cut-off equipment is communicated with the air to be deflated, the first outlet pipe is communicated, and the rainwater at the middle and later stages entering the diversion well is diverted to the rainwater pipe or the natural water body through the first outlet pipe.

On the basis of the scheme, the measuring instrument comprises one of a rain gauge, a flow meter, a water gauge, a water quality detector, a timer and a liquid level meter,

correspondingly, the measurement information comprises one of rainfall, instantaneous flow, accumulated flow, water quality, rainfall time and water level in the well body structure.

On the basis of the proposal, when the measuring instrument is a water quality detector,

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 value and not reaching the second threshold value corresponds to the measurement information reaching the second threshold value and not reaching the first threshold value

The measurement information reaching the second threshold corresponds to the measurement information being less than or equal to the first threshold.

On the basis of the scheme, at least two diversion wells are arranged, each diversion well is arranged on a drainage pipe, 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 and a third pneumatic cut-off device:

the gas conveying pipeline comprises a second gas conveying main pipe, a third 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 third pneumatic cut-off devices of all the diversion wells are respectively communicated with the third gas conveying main pipe through the gas conveying branch pipes, the second control valve is connected with the second gas conveying main pipe, and the third control valve is connected with the third gas conveying main pipe;

when the diversion well is provided with a first pneumatic cut-off device, a second pneumatic cut-off device and a third pneumatic cut-off device:

the gas conveying pipeline comprises a first gas conveying main pipe, a second gas conveying main pipe, a third 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, third pneumatic cut-off devices of all the diversion wells are communicated with the third gas conveying main pipe through the gas conveying branch pipes respectively, a first control valve is connected with the first gas conveying main pipe, a second control valve is connected with the second gas conveying main pipe, and a third control valve is connected with the third gas conveying main pipe.

The utility model discloses an effect and beneficial effect lie in:

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 and the flow channel of the pipeline are completely kept in consistent and smooth transition after the device is installed, and the entanglement blockage cannot be generated;

9. zero water loss: the flow passage of the device after installation and the flow passage of the pipeline are completely kept consistent and smoothly transited, 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: each drain pipe sets up a reposition of redundant personnel well, a plurality of reposition of redundant personnel wells through gas transportation branch union coupling to gas transportation on the main line just can, all reposition of redundant personnel wells share compressed air source, control valve and gas transportation main line, only need set up the control valve on the main road, simultaneously with control valve and controller, compressed air source sets up in the control room in district, just can control the reposition of redundant personnel process of controlling sewage and rainwater to the inflation and deflation gas of the pneumatic cut-off equipment in the pneumatic reposition of redundant personnel well in whole district, and be convenient for insert and expand, not only with low costs, and security maneuverability is high, response speed is fast, and is easy to operate.

Drawings

Fig. 1 is a schematic structural view of a one-in three-out flow distribution system in the second embodiment of the present invention;

fig. 2 is a schematic structure of a flow dividing system with one inlet and three outlets in the third embodiment of the present invention.

Illustration of the drawings:

the system comprises a rainwater pipe 2, a sewage pipe 4, a primary rainwater pipe 5, a first gas conveying main pipe A, a sewage intercepting pipe A1(A2), a second gas conveying main pipe B, a primary rainwater pipe B1(B2), a third gas conveying main pipe C and a water outlet pipe C1 (C2);

the system comprises a compressed gas source 10, a control valve 20, a gas conveying main pipe 30, a pneumatic flow dividing well 40, a controller 50 and a measuring instrument 60;

two-position three-way electromagnetic directional valve 21, flow dividing well 41, air bag 42, inlet 411, second water outlet pipe 412, third water outlet pipe 413, first water outlet pipe 414, second air bag 421, third air bag 422 and first air bag 423.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

A flow diversion system with a pneumatic flow diversion well 40 for diverting fluid in a drain pipe, wherein the drain pipe is a flow pipe of a confluence system, a rain pipe of a diversion system, or a mixed flow pipe of a mixed flow system or a pipeline before a discharge opening near the front of a natural water body, comprising:

a compressed gas source 10 for providing compressed gas;

the gas conveying pipe is used for conveying gas;

the pneumatic diverter well 40 is positioned in the well,

the pneumatic flow dividing well 40 comprises a well body structure, an inlet 411, a first water outlet pipe 414, a second water outlet pipe 412, a third water outlet pipe 413 and pneumatic cut-off devices arranged on the second water outlet pipe 412 and the third water outlet pipe 413, wherein the inlet 411 is communicated with a drain pipe at the upstream of the pneumatic flow dividing well 40, the first water outlet pipe 414 is communicated with a rainwater pipe or a natural water body at the downstream of the pneumatic flow dividing well 40, the second water outlet pipe 412 is communicated with a sewage pipe or a sewage treatment facility or a regulation pool, and the third water outlet pipe 413 is communicated with an initial rainwater pipe or a regulation pool or an initial rainwater treatment facility;

and the control valves 20 comprise a second control valve 20 and a third control valve 20 which are respectively arranged on the gas conveying pipe, and the second control valve 20 and the third control valve 20 respectively control the charging and discharging of the second pneumatic cut-off device and the third pneumatic cut-off device and are used for respectively controlling the cut-off and the conduction of the corresponding second water outlet pipe 413 and the corresponding third water outlet pipe 413.

The pneumatic diverter well 40 in this embodiment may be of the form one or the form two, where the form one is: the inlet height of the first water outlet pipe 414 is higher than the water inlet height of the second water outlet pipe 413 and the third water outlet pipe 413, and a second pneumatic cut-off device and a third pneumatic cut-off device are respectively arranged at the second water outlet and the third water outlet; the first, second and third water outlet pipes 413 are respectively provided with a first, second and third pneumatic cut-off device, the control valves 20 are respectively a first, second and third control valve 20, the first control valve 20 is arranged on the gas delivery pipe, and the first control valve 20 controls the inflation and deflation of the first pneumatic cut-off device for controlling the cut-off and conduction of the first water outlet pipe 414.

The gas delivery pipe in this embodiment includes a gas delivery main pipe 30 and a plurality of gas delivery branch pipes, the first, second and third pneumatic cut-off devices are respectively connected to the gas delivery main pipe 30 through a gas delivery branch pipe, and the corresponding gas delivery branch pipes are provided with a first, second and third control valves. Wherein the gas transmission main pipe 30 is connected with the gas transmission branch pipe and the compressed gas source 10. In addition, the gas delivery pipe in this embodiment may include three gas delivery main pipes, the first, second, and third pneumatic cut-off devices are respectively connected to the corresponding gas delivery main pipes 30, and the corresponding gas delivery branch pipes are provided with first, second, and third control valves. The gas delivery main pipe is communicated with a compressed gas source and a pneumatic cut-off device. And/or the pneumatic cut-off device is arranged in the shunt well and positioned at the beginning of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe, or arranged on the pipelines of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe.

Further, 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, and 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 41 is provided with the second and third pneumatic stops, i.e. in the form of one:

the measuring instrument 60 is used for controlling the second and third control valves 20 to respectively act, so that the second water outlet pipe 412 is switched on when the second pneumatic cut-off device deflates, the third water outlet pipe 413 is switched off when the third pneumatic cut-off device inflates, domestic sewage entering the diversion well 41 is diverted to a sewage pipe or a sewage treatment facility or a regulation and storage tank, the second water outlet pipe 412 is switched off when the second pneumatic cut-off device inflates, the third water outlet pipe 413 is switched on when the third pneumatic cut-off device deflates, initial rainwater entering the diversion well 41 is diverted to an initial rainwater pipe or a regulation and storage tank or an initial rainwater treatment facility, the second water outlet pipe 412 and the third water outlet pipe 413 are switched off when the second and third pneumatic cut-off devices inflate, and middle and later stage rainwater entering the diversion well 41 are diverted to a rainwater pipe or a natural water body;

when the diverter well 41 is provided with a first pneumatic cut-off, a second pneumatic cut-off and a third pneumatic cut-off, i.e. of the type two:

the measuring instrument 60 is used for controlling the first, second and third control valves 20 to respectively act, so that the second air-release second water outlet pipe 412 of the second pneumatic cut-off device is conducted, the first air-release first water outlet pipe 414, the third air-release third water outlet pipe 413 of the first and third pneumatic cut-off devices are cut off, the domestic sewage entering the diversion well 41 is diverted to a sewage pipe or a sewage treatment facility or a regulation and storage tank, the first water outlet pipe 414 is charged by the first pneumatic cut-off device to be cut off, the third water outlet pipe 413 is discharged by the third pneumatic cut-off device to be conducted, the initial rainwater entering the diversion well 41 is diverted to the primary rainwater pipe or the regulation and storage pool or the initial rainwater treatment facility, the first water outlet pipe 414 is communicated by the first pneumatic cut-off device, the second and third pneumatic cut-off devices are closed by the second water outlet pipe 412 and the third water outlet pipe 413, and the rainwater entering the diversion well 41 in the middle and later periods is diverted to the rainwater pipe or the natural water body.

The pneumatic cut-off device in the embodiment is a pneumatic pipe clamp valve or an air bag or an air pillow, and the air bag in the embodiment is a drum-shaped air bag and is fixed through a rope.

The measuring instrument 60 includes one or more of a rain gauge, a flow meter, a water gauge, a timer, a water quality detector, and a liquid level meter, and correspondingly, the measurement information includes one or more of rainfall, rainfall time, instantaneous flow, accumulated water amount, water quality, and water level in the well structure.

The flowmeter is arranged on the water outlet of the diversion well 41 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 41 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.

And the water quality detector is arranged in the inlet 411 of the water drainage pipe to monitor and obtain the water quality index in the water, set the threshold value of the corresponding water quality index and send the measured value of the water quality index to the controller 50 as the measurement information in real time.

And a liquid level meter installed in a downhole portion of the diversion well 41, 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, the measuring instrument 60 may be one type, and in a special requirement or in order to improve the accuracy of the control, a plurality of measuring instruments 60 may be provided to collect a plurality of types 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 a second 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

S1, when the measurement information does not reach the first threshold, it is a first mode:

when the diversion well 41 is provided with a second pneumatic cut-off device and a third pneumatic cut-off device, namely in a first form, the controller 50 respectively controls the second control valve 20 and the third control valve 20 to act, the second pneumatic cut-off device is communicated with air to be deflated, the second water outlet pipe 412 is communicated, the third pneumatic cut-off device is communicated with the compressed air source 10 to be inflated, the third water outlet pipe 413 is cut off, and sewage entering the diversion well 41 is diverted to a sewage pipe or a regulation and storage pool or a sewage treatment facility;

when the diversion well 41 is provided with the first pneumatic interception device, the second pneumatic interception device and the third pneumatic interception device, namely the second form, the controller 50 respectively controls the first control valve 20, the second control valve 20 and the third control valve 20 to respectively act, the second pneumatic interception device is communicated with air to deflate, the second water outlet pipe 412 is communicated, the first pneumatic interception device and the third pneumatic interception device are respectively communicated with the compressed air source 10 to inflate, the first water outlet pipe 413 and the third water outlet pipe 413 are closed, and sewage entering the diversion well 41 is diverted to a sewage pipe or a regulation pool or a sewage treatment facility;

when the measurement information reaches the first threshold, switching from the first mode to the second mode, specifically as follows:

s2, when the measurement information is between the first threshold and the second threshold,

the controller 50 controls the third controller 50 to act, the third pneumatic cut-off device is communicated with air to discharge air, the third water outlet pipe 413 is communicated, and the initial rainwater entering the diversion well 41 is diverted to the initial rainwater pipe or the initial rainwater treatment facility; at this time, whether the second water outlet pipe 412 is switched to the state or not can be operated according to whether the sewage pipe, the sewage treatment facility or the storage tank connected with the second water outlet pipe 412 has the receiving capacity or not, if the receiving capacity exists, the second control valve 20 can be not operated, the second water outlet pipe 412 is continuously kept in the conducting state, a part of initial rainwater is shunted out from the second water outlet pipe 412, if the initial rainwater is not received, the second control valve 20 must be operated, the second pneumatic cut-off device is inflated and expanded, and the second water outlet pipe 412 is cut off;

s3, when the measurement information reaches the second threshold value,

if the diversion well 41 is provided with the second pneumatic cut-off device and the third pneumatic cut-off device 47, namely the first form, if the second water outlet pipe 412 is in a conducting state, the controller 50 controls the second pneumatic cut-off device and the third pneumatic cut-off device to act, the second pneumatic cut-off device and the third pneumatic cut-off device are communicated with the compressed air source 10 to be inflated, the second water outlet pipe 413 and the third water outlet pipe 413 are cut off, and the rainwater at the middle and later stages entering the diversion well 41 is diverted to a rainwater pipe or a natural water body through the first water outlet pipe 414;

if the diverter well 41 is provided with the first pneumatic cut-off device, the second pneumatic cut-off device and the third pneumatic cut-off device, namely the second type, if the second water outlet pipe 412 is in a conducting state, the controller 50 controls the second pneumatic cut-off device and the third pneumatic cut-off device to act, the second pneumatic cut-off device and the third pneumatic cut-off device are communicated with the compressed air source 10 to be inflated, the second water outlet pipe 413 and the third water outlet pipe 413 are closed, the first pneumatic cut-off device acts, the first pneumatic cut-off device is communicated with the air to be deflated, the first water outlet pipe 414 is conducted, and the middle and later stage rainwater entering the diverter well 41 is diverted to a rainwater pipe or a natural.

The measuring instrument in the embodiment includes one of a rain gauge, a flow meter, a water gauge, a timer and a liquid level meter, and correspondingly, the measurement information includes one of rainfall, instantaneous flow, accumulated flow, rainfall time and water level in the well body structure. If a water quality detector is used, the trigger conditions are adapted. When the measuring instrument is a water quality detector, the fact that the measuring information does not reach the first threshold corresponds to the fact that the measuring information is larger than or equal to the first threshold; the measurement information reaching the first threshold value and not reaching the second threshold value corresponds to the measurement information reaching the second threshold value and not reaching the first threshold value; the measurement information reaching the second threshold corresponds to the measurement information being less than or equal to the first threshold.

The water pipes are confluence pipes of confluence system cells, rainwater pipes of shunt system cells or rainwater pipes mixed with sewage of the shunt system cells or drainage pipelines arranged in front of a discharge port close to the front of a natural water body, each drainage pipe is provided with a pneumatic shunt well, the controller controls all the shunt wells to execute the same action and simultaneously executes the steps of S1, S2 and S3,

when the diversion well is provided with a second pneumatic cut-off device and a third pneumatic cut-off device:

the gas conveying pipeline comprises a second gas conveying main pipe, a third 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 third pneumatic cut-off devices of all the diversion wells are respectively communicated with the third gas conveying main pipe through the gas conveying branch pipes, a second control valve is arranged on the second gas conveying main pipe, and a third control valve is arranged on the third gas conveying main pipe;

when the diversion well is provided with the first pneumatic cut-off device, the second pneumatic cut-off device and the third pneumatic cut-off device:

the gas conveying pipeline comprises a first gas conveying main pipe, a second gas conveying main pipe, a third gas conveying main pipe and a plurality of gas conveying branch pipes, first pneumatic cut-off devices of all the flow dividing 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 flow dividing wells are communicated with the second gas conveying main pipe through the gas conveying branch pipes respectively, third pneumatic cut-off devices of all the flow dividing wells are communicated with the third gas conveying main pipe through the gas conveying branch pipes respectively, a first control valve is arranged on the first gas conveying main pipe, a second control valve is arranged on the second gas conveying main pipe, and a third control valve is arranged on the third gas conveying main pipe.

Example two

Fig. 1 is a schematic structure of a one-in-three-out flow distribution system applied to a flow distribution community, a flow distribution community or a mixed flow community in an embodiment of the present invention.

Referring to fig. 1, the pneumatic flow splitting well 40 is shown in the form of a first, and comprises a compressed gas source 10, a control valve 20, a gas delivery main 30, a pneumatic flow splitting well 40, a controller 50, and a measuring instrument 60. The rain water pipe 2, the sewage pipe 4 and the primary rain pipe 5 are communicated with the pneumatic flow dividing well 40 through a water outlet pipe C1(C2), a sewage intercepting pipe A1(A2) and a primary rain pipe B1 (B2).

A compressed air source 10 for providing compressed air, in this embodiment, the compressed air source 10 is an air compressor, and is disposed in the control chamber.

The inlet 411 of the control valve 20 is communicated with the compressed air source 10, the used control valves 20 of the first control valve and the second control valve are different according to different pneumatic diversion wells 40, and the control valve 20 uses a two-position three-way electromagnetic directional valve 21 and is arranged in a control chamber; when the pneumatic diverter well 40 is provided with two bladders, the control valve 20 is a two-position, four-way reversing valve.

The two gas conveying main pipes 30 are used for conveying compressed gas, the first control valve and the second control valve are respectively and correspondingly arranged on the two gas conveying main pipes, and the gas conveying main pipes 30 are arranged on the inner wall of the upper portion of the sewage pipe 4 and communicated with the pneumatic flow dividing well 40 through gas conveying branch pipes. The pneumatic flow dividing well 40 has two air bags, namely a second air bag and a third air bag.

The pneumatic flow dividing well 40 is in a first form, namely the pneumatic flow dividing well 40 comprises a flow dividing well body 41 and two air bags 42, the flow dividing well 41 comprises a well body structure, an inlet 411, a second water outlet pipe 412, a third water outlet pipe 413 and a first water outlet pipe 414, the inlet 411 is communicated with a drain pipe at the upstream of the flow dividing well 41, the first water outlet pipe 414 is communicated with a rainwater pipe at the downstream of the flow dividing well 41 through a water outlet pipe C1, the second water outlet pipe 412 is communicated with a sewage pipe through a sewage interception pipe A1, and the third water outlet pipe 413 is communicated with an initial rainwater pipe through an initial rainwater pipe B1.

The air bag 42, which may be an air bag or an air pillow, is a drum-shaped air bag in this embodiment, and is disposed in the second water outlet pipe 412, the third water outlet pipe 413, and the first water outlet pipe 414, and is fixed by a rope.

When the air bag is inflated and expanded, the air bag is tightly attached and fixed with the pipeline, and the expanded air bag can be fixed again under the action of the rope, so that the air bag can not be displaced too much and separated from the outlet, and can be expanded to completely block the outlet, so that the outlet is in a cut-off state,

when the air bag is not inflated and is in a natural state, a gap is formed between the air bag and the inner wall of the outlet pipe, and the gap can allow fluid to pass through and is in a conducting state.

All the second air bags are connected with the second gas conveying main pipe through gas conveying branch pipes and used for controlling the opening and closing of the corresponding second water outlet pipes, and all the third air bags are connected with the third gas conveying main pipe through gas conveying branch pipes and used for controlling the opening and closing of the corresponding third water outlet pipes.

And a controller 50 electrically connected to the control valve 20 for controlling the control valve 20, disposed in the control chamber.

The measuring instrument 60 is in communication connection with the controller 50, and is used for transmitting the measuring information collected by the measuring instrument 60 to the controller 50 for controlling and is arranged in a control room.

The controller 50 of this embodiment determines according to the collected measurement information, and changes the on or off states of the second water outlet pipe 412 and the third water outlet pipe 413 controlled by all the second and third air bags after the second and third controllers operate. In this embodiment, the on and off states of the second water outlet pipe 412 are changed to cause the inlet 411 to be communicated with or cut off from the sewage pipe, so that the fluid in the inlet 411 is correspondingly diverted into the sewage pipe; the change of the on and off states of the third water outlet pipe 413 causes the inlet 411 to be communicated with or cut off from the primary rain pipe, so that the fluid of the inlet 411 is correspondingly divided into the primary rain pipe; the cut-off of the second and third outlet pipes causes the inlet 411 to be communicated with or cut off from the rainwater pipe, so that the fluid of the inlet 411 is correspondingly divided into the rainwater pipe. Only one compressed air source 10, a second control valve and a third control valve and two paths of air conveying main pipes need to be designed in one area, all the first air bags and the second air bags are switched to be in one state at the same time, and the control is simple and the automation degree is high.

EXAMPLE III

Fig. 2 is a schematic structural diagram of a flow dividing system with one inlet and three outlets in the third embodiment of the present invention.

As shown in fig. 2, the pneumatic diverter well 40 in this embodiment is of the type two. For this reason, in this case, in order to perform the diversion control, three air bags need to be provided in the pneumatic diversion well 40: the second bladder 421 is arranged in the second outlet pipe 412 communicating with the sewer, the third bladder 422 is arranged in the third outlet pipe 413 communicating with the sewer, the first bladder 423 is arranged in the first outlet pipe 414 connected to the primary sewer, correspondingly, three control valves 20 are arranged: the number of the first control valve, the second control valve and the third control valve, and the number of the gas transmission main pipes 30 is also three: the first control valve controls the first gas conveying main pipe to control the inflation and deflation of all the first air bags 423, the second control valve 20 controls the second gas conveying main pipe 30 to control the inflation and deflation of all the second air bags 421, and the third control valve 20 controls the third gas conveying main pipe 30 to control the inflation and deflation of all the third air bags 422.

In a specific situation, after receiving the measurement information sent by the measurement instrument 60, the controller 50 controls all the first control valve and the third control valve to control the first air bag 423 and the third air bag 422 to inflate at the same time according to the measurement information, the first water outlet pipe and the third water outlet pipe are closed, the second control valve controls the second air bag to deflate at the same time, all the second air bags 421 deflate to recover to a natural state, and at this time, the sewage is shunted to the sewage pipe.

When raining, the controller 50 controls all the first control valves and all the second control valves to control the first air bags 423 to be inflated and opened at the same time according to the measurement information after receiving the measurement information sent by the measurement instrument 60, controls all the third air bags 422 to be deflated and return to a natural state at the same time, at the moment, the initial rainwater is shunted to the initial rainwater pipe, and according to whether the sewage pipe connected with the second water outlet pipe has the accommodation capacity, if so, the second control valves are actuated or not actuated, so that the second air bags 421 are deflated, the conducting parts of the initial rainwater of the second water outlet pipe are intercepted to the sewage pipe, and if not, the second control valves are actuated or not actuated, so that the second air bags 421 are inflated, and the second water outlet pipe is stopped;

and after the rain continues to rain, the controller 50 receives the measurement information sent by the measurement instrument 60, controls all the second control valves 20 and all the third control valves 20 to act according to the measurement information, controls all the second air bags 421 and all the third air bags 422 to be inflated and opened at the same time, stops all the second water outlet pipes and all the third water outlet pipes, controls all the first air bags 423 to be deflated and restore to the natural state, and then later-period rainwater is shunted to the rainwater pipe.

Example four

The technical solution of this embodiment is to replace the air bag in the technical solutions of the first to third embodiments with a pneumatic pinch valve.

EXAMPLE five

On the basis of the third or fourth embodiment, in this embodiment:

when the third water outlet pipe 413 is communicated with the storage tanks, each storage tank is connected with the third water outlet pipe 413 of more than one pneumatic diversion well 40: the third water outlet pipe 413 of each diversion well 41 is independently communicated with a regulation and storage tank; when shunting, the initial rainwater directly enters the regulation and storage pool to be stored.

When the second water outlet pipe 412 is communicated with a storage tank, the second water outlet pipes 412 of the plurality of diversion wells 41 are connected with a storage tank; correspondingly, when the sewage is shunted, the domestic sewage directly enters the regulating and storing tank to be stored.

Or, as an optimization, in some occasions, two or more third water outlet pipes 413 of the pneumatic diversion wells 40 can be communicated with the same storage tank, so that the utilization rate of the storage tank is improved or the number of the storage tanks is reduced, and the construction cost is saved.

EXAMPLE six

On the basis of the first to the fifth embodiments, the system further comprises a control center, and the controller 50 is provided with a communication module for communicating with the control center;

the control center sends an operation instruction to remotely control the controller 50 and controls the opening and closing of the control valve 20 through the controller 50; and/or, the control center collects, displays, stores and analyzes the measurement information collected by the measurement instrument 60 through the controller 50.

The embodiment has the following functions and beneficial effects: the utility model provides a flow distribution system uses compressed air can be safely controllable, and owing to the use is a gas transmission main pipe 30 and the main road of branch pipe, the mode in a plurality of shunts, 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 chamber in district, just can control the reposition of redundant personnel process of controlling sewage and rainwater to the gassing of the gasbag in the pneumatic reposition of redundant personnel well 40 in whole district, and be convenient for insert and expand.

The whole system has simple pipeline relation, easy design realization and convenient capacity expansion.

For the condition that the sewage pipe is arranged below the pneumatic flow dividing well 40, the sewage is short-circuited by using the height difference, so that only one gas conveying main pipe 30 needs to be designed to control the expansion and inflation process of the air bag, 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.

For the situation that the sewage pipe and the pneumatic diversion well 40 are in the same horizontal plane, three air bags are arranged for control, one air bag, one gas transmission main pipe 30 and one control valve 20 are respectively used for uniformly controlling the on-off states of the sewage pipe, the rainwater pipe and the water outlet pipe of the inlet 411, only the same air source is used, and the corresponding controller 50, control valve 20, and measurement instrument 60 are all located in a subzone or control room, remote and synchronous control is achieved, a control room is arranged in a certain district (such as a certain road, a certain street of a city or a vegetable market, a shop or a gear area), and a control device (comprising an air source, a control valve 20, a controller 50 and a measuring instrument 60) can carry out flow distribution control on rainwater and sewage of a 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 embodiments, and for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered to be within the protection scope of the present invention. Those not described in detail in this specification are within the skill of the art.

Claims (7)

1. A flow diversion system with a pneumatic flow diversion well for diverting fluid in a drain, comprising:

a compressed gas source for providing compressed gas;

the gas conveying pipe is used for conveying gas;

the pneumatic flow-dividing well is provided with a flow-dividing well,

the pneumatic flow dividing well comprises a well body structure, an inlet, a first water outlet pipe, a second water outlet pipe, a third water outlet pipe, pneumatic cut-off devices arranged on the second water outlet pipe and the third water outlet pipe, and the pneumatic cut-off devices are respectively a second pneumatic cut-off device and a third pneumatic cut-off device, wherein the inlet is communicated with a drain pipe at the upstream of the pneumatic flow dividing well, the first water outlet pipe is communicated with a rainwater pipe or a natural water body at the downstream of the pneumatic flow dividing well, the second water outlet pipe is communicated with a sewage pipe or a sewage treatment facility or a regulation pool, and the third water outlet pipe is communicated with a primary rainwater pipe or a regulation pool or an initial rainwater treatment facility;

the control valve comprises a second control valve and a third control valve which are respectively connected with the gas conveying pipe, and the second control valve and the third control valve respectively control the charging and discharging of the second pneumatic cut-off device and the third pneumatic cut-off device and are used for respectively controlling the cut-off and the conduction of the corresponding second water outlet pipe and the corresponding third water outlet pipe;

the drainage pipe is a confluence pipe of a confluence system community, a rainwater pipe of a shunt system community, a rainwater pipe mixed with sewage of the shunt system community or a drainage pipeline before a discharge opening of a natural water body.

2. The diverter system with a pneumatic diverter well according to claim 1, wherein:

the inlet height of the first water outlet pipe is higher than the water inlet heights of the second water outlet pipe and the third water outlet pipe; or, still be provided with first pneumatic cut-off equipment on the first outlet pipe, the control valve still includes first control valve, first control valve with gas delivery pipe links to each other, first control valve control the inflation of first pneumatic cut-off equipment, gassing for control first outlet pipe cut-off, switch on.

3. The diverter system with a pneumatic diverter well according to claim 2, wherein:

the system also comprises a measuring instrument and a controller, wherein the measuring instrument and the control valve are respectively 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 and a third pneumatic cut-off device:

the measuring instrument is used for controlling the second control valve and the third control valve to respectively act, so that the second water outlet pipe is communicated when the second pneumatic cut-off device deflates, the third water outlet pipe is closed when the third pneumatic cut-off device inflates, and domestic sewage entering the diversion well is diverted to a sewage pipe or a sewage treatment facility or a regulation and storage pool; the third pneumatic cut-off device is deflated, and the third water outlet pipe is communicated, so that the initial rainwater entering the diversion well is diverted to the initial rainwater pipe or the regulation and storage pool or the initial rainwater treatment facility; the second and third pneumatic cut-off devices are inflated by the second and third water outlet pipes to be cut off, and the rainwater at the middle and later periods entering the diversion well is diverted to a rainwater pipe or a natural water body;

when the diversion well is provided with a first pneumatic cut-off device, a second pneumatic cut-off device and a third pneumatic cut-off device:

the measuring instrument is used for controlling the first control valve, the second control valve and the third control valve to respectively act, so that the second water outlet pipe is communicated when the second pneumatic cut-off device deflates, the first water outlet pipe and the third water outlet pipe are closed when the first pneumatic cut-off device and the third pneumatic cut-off device inflate, and domestic sewage entering the diversion well is diverted to a sewage pipe or a sewage treatment facility or a regulation and storage pool; the first water outlet pipe is filled with air by the first pneumatic cut-off device and is closed, the third water outlet pipe is discharged by the third pneumatic cut-off device and is communicated, and the initial rainwater entering the diversion well is diverted to the primary rainwater pipe or the storage tank or the initial rainwater treatment facility; the first water outlet pipe is communicated after the first pneumatic cut-off device is deflated, the second water outlet pipe and the third water outlet pipe are stopped after the second pneumatic cut-off device and the third pneumatic cut-off device are inflated, and rainwater entering the middle and later periods in the diversion well is diverted to a rainwater pipe or a natural water body.

4. The diverter system with a pneumatic diverter well according to claim 3, wherein:

wherein the measuring instrument comprises one or more of a rain gauge, a flow meter, a water gauge, a timer, a water quality detector 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.

5. The diverter system with a pneumatic diverter well according to claim 3, wherein: the compressed air source is an air compressor, and the control valve is an electromagnetic valve combination or a three-way reversing valve;

and/or the pneumatic cut-off device is an air bag or a pneumatic pipe clamp valve;

and/or the pneumatic cut-off device is arranged in the shunt well and positioned at the beginning of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe, or arranged on the pipelines of the first water outlet pipe, the second water outlet pipe and the third water outlet pipe.

6. The diverter system with a pneumatic diverter well according to claim 3, wherein:

at least two diversion wells are arranged, and each diversion well is arranged on a drainage pipe; wherein,

when the diverter well is provided with a second pneumatic cut-off device and a third pneumatic cut-off device:

the gas conveying pipeline comprises a second gas conveying main pipe, a third gas conveying main pipe and a plurality of gas conveying branch pipes, the 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 third pneumatic cut-off devices of all the diversion wells are respectively communicated with the third gas conveying main pipe through the gas conveying branch pipes, the second control valve is connected with the second gas conveying main pipe, the third control valve is connected with the third gas conveying main pipe, the second control valve is used for controlling the second pneumatic cut-off devices of all the diversion wells to be simultaneously inflated or deflated so as to simultaneously cut off or conduct the second water outlet pipes of all the diversion wells, the third control valves are used for controlling the third pneumatic intercepting devices of all the diversion wells to be inflated or deflated simultaneously, so that the third water outlet pipes of all the diversion wells are cut off or conducted simultaneously;

when the diversion well is provided with a first pneumatic cut-off device, a second pneumatic cut-off device and a third pneumatic cut-off device:

the gas conveying pipeline comprises a first gas conveying main pipe, a second gas conveying main pipe, a third gas conveying main pipe and a plurality of gas conveying branch pipes, first pneumatic cut-off devices of all the diversion wells are respectively communicated with the first gas conveying main pipe through the 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, third pneumatic cut-off devices of all the diversion wells are respectively communicated with the third gas conveying main pipe through the gas conveying branch pipes, 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 simultaneously inflated or deflated so as to simultaneously stop or conduct first water outlet pipes of all the diversion wells, 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 simultaneously inflated or deflated, and the third control valve is used for controlling the simultaneous inflation or deflation of the third pneumatic cut-off devices of all the diversion wells, so that the third water outlet pipes of all the diversion wells are simultaneously cut off or conducted.

7. The diverter system with the pneumatic diverter well according to claim 6, wherein:

when the second water outlet pipe or the third water outlet pipe is communicated with the regulation and storage tank, the second water outlet pipe or the third water outlet pipe of each diversion well is connected with one regulation and storage tank,

and/or when the second water outlet pipe or the third water outlet pipe is communicated with the storage regulation pool, the second water outlet pipe or the third water outlet pipe of the plurality of diversion wells is connected with one storage regulation pool.