CN209620211U

CN209620211U - It is provided with the shunting well and control system of cut-off equipment

Info

Publication number: CN209620211U
Application number: CN201821773138.5U
Authority: CN
Inventors: 周超; 李习洪; 张勇
Original assignee: Wuhan Shengyu Drainage Systems Co Ltd
Current assignee: Wuhan Shengyu Smart Ecological Environmental Protection Co ltd
Priority date: 2018-08-28
Filing date: 2018-10-30
Publication date: 2019-11-12
Anticipated expiration: 2028-10-30

Abstract

The utility model discloses a kind of shunting well for being provided with cut-off equipment and control systems, it is related to municipal rainwater, sewage separation technical field, shunting well includes shunting well ontology and cut-off equipment, shunting well ontology is equipped with water inlet and two water outlets, the discharge pipe line of water inlet connection upstream, first water outlet is connected to the discharge pipe line or natural water in downstream, and second goes out connection sewage pipe or first rain pipe or sewage treatment facility or initial rainwater treatment facility or storage pond；Cut-off equipment forms the capsul of sealing with resilient sleeve and around the resilient sleeve, and air cavity or water cavity are formed between capsul and resilient sleeve outer wall, and air cavity or water cavity have import, and resilient sleeve has circulation passage；Wherein, the second cut-off equipment is set in the second water outlet, and one end of the second cut-off equipment extends the second water outlet and connects pipe, and the circulation passage of the second cut-off equipment is docked with communicating pipe, and the outer wall of capsul is bonded with the inner wall of the first water outlet.

Description

Diversion well with cut-off device and control system

Technical Field

The utility model relates to a municipal administration rainwater, sewage reposition of redundant personnel, concretely relates to be provided with cut-off equipment's reposition of redundant personnel well and control system belongs to civil construction and municipal water supply and drainage 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 environment of severe stormy weather, the condition of power failure can occur, and equipment in a diversion well, a flow abandoning well or a closure well can not work normally after the power failure, so that the conditions of urban waterlogging and the like can occur; 3. under the condition of heavy rain, 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 exists among the prior art, the utility model aims to provide a be provided with cut-off equipment's reposition of redundant personnel well is fixed in the export of the well body of reposition of redundant personnel well with the dustcoat or the dustcoat of the entrapment device that corresponds, then detachable changes elastic sleeve, changes and maintains simply.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a diversion well with a cut-off device, which is characterized in that the diversion well comprises a diversion well body and a cut-off device,

the water inlet is used for communicating with a drainage pipeline at the upstream of the diversion well body, the first water outlet is used for communicating with a drainage pipeline or natural water at the downstream of the diversion well body through a communicating pipe, and the second water outlet is used for connecting a sewage pipe or an initial rain pipe or a sewage treatment facility or an initial rainwater treatment facility or a regulation and storage pool through a communicating pipe;

the cut-off device is provided with an elastic sleeve and a sealing shell which forms sealing around the elastic sleeve, an air cavity or a water cavity is formed between the sealing shell and the outer wall of the elastic sleeve, the air cavity or the water cavity is provided with an inlet, and the elastic sleeve is provided with a circulation channel;

wherein, set up a cut-off equipment in the second delivery port and be the second cut-off equipment, the one end of second cut-off equipment extends the second delivery port and connects communicating pipe, the circulation passageway and the communicating pipe butt joint of second cut-off equipment, and the outer wall of sealed shell and the inner wall laminating of first delivery port, when air cavity or water cavity wash into have a pressure gas or have a pressure water body, the elastic sleeve warp the sectional area of circulation passageway and diminishes, control second delivery port is closed, when the pressure gas or have a pressure water body in air cavity or the water cavity and emit, the elastic sleeve warp and makes the sectional area grow of circulation passageway, control second delivery port is opened.

The utility model provides a be provided with flow stopping device's reposition of redundant personnel well can also have such characteristic:

the diversion well body is also provided with a third water outlet which is used for being connected with an initial rain pipe or an initial rainwater treatment facility or a regulation and storage pool through a communicating pipe, a third flow intercepting device is arranged on the third water outlet, the outer wall of the sealing shell is attached to the inner wall of the third water outlet, and a flow passage of the third flow intercepting device is butted with the communicating pipe corresponding to the third water outlet and used for controlling the opening and closing of the third water outlet; or,

the diversion well body is also provided with a third water outlet which is used for being connected with an initial rain pipe or an initial rainwater treatment facility or a regulation and storage pool through a communicating pipe, a third intercepting device and a first intercepting device are respectively and correspondingly arranged on the third water outlet and the first outlet, the outer walls of the sealing shells of the third intercepting device and the first intercepting device are respectively attached to the inner walls of the corresponding third water outlet and the corresponding first water outlet, and a circulation channel of the first intercepting device is butted with the communicating pipe corresponding to the first outlet and is used for controlling the opening and closing of the first water outlet; or,

the first outlet is provided with a first cut-off device, the outer wall of a sealing shell of the first cut-off device is attached to the inner wall of the first water outlet, and a circulation channel of the first cut-off device is in butt joint with a communicating pipe corresponding to the first outlet and used for controlling the opening and closing of the first water outlet.

the shut-off device further comprises a sliding support,

wherein the sealing shell is an outer cover which is covered outside the elastic sleeve, two ends of the elastic sleeve are detachably connected with two ends of the outer cover in a sealing way,

and an air cavity or a water cavity is formed between the inner wall of the outer cover and the outer wall of the elastic sleeve, the air cavity or the water cavity is provided with an inlet,

and the sliding support piece is arranged in the air cavity or the water cavity and comprises a sliding rail and a supporting part, the sliding rail is arranged along the axis direction of the elastic sleeve, the supporting part is slidably arranged on the sliding rail, and the supporting surface of the supporting part along the gravity direction is attached to the outer wall of the undeformed elastic sleeve.

the sliding rail is arranged on the inner wall of one side of the outer cover;

and/or the supporting part is arranged at the tail part of the slide rail;

and/or the supporting part is a bracket, the top of the bracket is large, the bottom of the bracket is small, the top of the bracket is provided with a bearing surface matched and matched with the outline of the outer wall of the elastic sleeve, and the bottom of the bracket is provided with a smooth surface contacted with the sliding rail.

wherein, sealed shell includes:

the outer cover is covered outside the elastic sleeve, and one end of the outer cover is detachably and hermetically connected with one end of the elastic sleeve;

the gland is provided with a hole diameter corresponding to the flow channel, is arranged at the end parts of the outer cover and the elastic sleeve and is connected with the outer cover and the elastic sleeve, and one end of the gland is positioned in the flow dividing well body;

the inner shell is covered outside the elastic sleeve, two ends of the elastic sleeve are hermetically connected with two ends of the inner shell, and an air cavity or a water cavity is formed between the inner wall of the inner shell and the outer wall of the elastic sleeve;

the outer cover or the gland is provided with a hole communicated with the inlet;

wherein the cut-off device also comprises two outer expansion sleeves,

the sealing shell is an outer cover which is covered outside the elastic sleeve, two ends of the elastic sleeve are detachably and hermetically connected with two ends of the outer cover, an air cavity or a water cavity is formed between the inner wall of the outer cover and the outer wall of the elastic sleeve,

two outer expansion sleeves are respectively arranged at two ends of the elastic sleeve, and the elastic sleeve is tightly pressed at two ends of the cover through expansion to realize the sealing of the outer cover and the elastic sleeve.

wherein, the outer expansion sleeve comprises an inner taper sleeve, an outer taper sleeve and a screw which are mutually matched,

the inner cone sleeve is provided with a through hole,

the outer taper sleeve is provided with a threaded hole for screwing in a screw,

the outer taper sleeve is sleeved on the inner taper sleeve, and the taper surfaces are matched.

The screw is gradually screwed down to pull the outer taper sleeve to be wedged into the inner taper sleeve, the outer taper sleeve expands to press the elastic sleeve in the wedging process,

gradually unscrewing the screw to push the outer taper sleeve to be away from the inner taper sleeve, and the outer taper sleeve contracts to not press the elastic sleeve any more in the process of keeping away from the inner taper sleeve.

the sealing shell directly penetrates through the water outlet, and a gap between the sealing shell and the water outlet is fixed through secondary pouring of concrete.

The utility model also provides a control system who contains foretell reposition of redundant personnel well that is provided with cut-off equipment, a serial communication port still includes:

the gas source or the water source is used for supplying pressure gas or water;

the conveying pipeline is connected with the cut-off device and a gas source or a water source and is used for conveying pressurized gas or water;

the control valve is arranged on the conveying pipe and used for controlling the cut-off device to fill and discharge the pressurized gas or the water body;

the measuring instrument is arranged in or outside the shunt well body and used for detecting measuring information;

the controller is respectively electrically connected with the measuring instrument and the control valve and is used for controlling the switch of the control valve according to the measuring information, and the control valve corresponds to the control cut-off device and controls the charging and discharging of the pressurized gas or the water body so as to control the conduction and the cut-off of the water outlet of the diversion well; wherein,

when the diversion well is provided with two water outlets and the second water outlet is provided with the interception component, the controller is used for controlling the second water outlet to conduct and divert the sewage and/or the initial rainwater in sunny days and controlling the second water outlet to stop diverting the middle and later rainwater;

when the diversion well is provided with two water outlets, and the first water outlet and the second water outlet are respectively provided with a first closure component and a second closure component, the controller is used for controlling the second water outlet to be communicated, the first outlet to be closed and to divert sewage and/or initial rainwater in sunny days, and controlling the second water outlet to be closed and the first outlet to be communicated and to divert middle and later rainwater;

when the diversion well is provided with three water outlets and the second and third water outlets are respectively provided with a second and third diversion assemblies, the controller is used for controlling the second water outlet to be communicated, the third water outlet to be cut off and divert sewage in sunny days, the third water outlet to be communicated and diverted initial rainwater and the second and third water outlets to be cut off and diverted middle and later rainwater;

when the diversion well is provided with three water outlets, and the first water outlet, the second water outlet and the third water outlet are respectively provided with the first diversion assembly, the second diversion assembly and the third diversion assembly, the controller is used for controlling the second water outlet to be communicated and the first water outlet and the third water outlet to be cut off to divert the sewage in the sunny day, the third water outlet to be communicated and the first outlet to be cut off to divert the initial rainwater, and the second water outlet and the third water outlet to be cut off and the first outlet to be communicated and diverted to divert the rainwater in the middle and later.

The utility model provides a be provided with the control system of flow dividing well of cut-off equipment can also have such characteristic:

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

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 pneumatic 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 pneumatic shunt well is 220V, and a civil power grid can be used and is conveniently obtained;

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. Convenient maintenance: according to the utility model provides an inboard reposition of redundant personnel well of installing cut-off equipment because use compressed air to drive the pneumatic interception subassembly and come to control switching on and the off-state of the outlet pipe of reposition of redundant personnel well, will hold back in addition that the subassembly sets up in the outlet pipe outside the reposition of redundant personnel well, fixes the dustcoat or the dustcoat of the interception device who corresponds in the export of the well body of reposition of redundant personnel well, then detachable changes elastic sleeve, changes and maintains simply.

Drawings

Fig. 1 is a schematic diagram of a diverter well having a first type closure assembly in an embodiment of the present invention;

FIG. 2 is a schematic structural view of a cross-flow apparatus according to an embodiment of the present invention;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is an enlarged schematic view of the slide rail and carriage of FIG. 2;

fig. 5 is a schematic structural view of a diverter well having a shutoff assembly of the second form in an embodiment of the present invention;

fig. 6 is a schematic structural view of a second type of intercepting component in an embodiment of the present invention;

fig. 7 is a schematic diagram of a diverter well having a shutoff assembly of the third form in an embodiment of the present invention;

fig. 8 is a schematic structural view of a form of a three-way shut-off assembly in an embodiment of the invention; and

fig. 9 is a schematic structural view of an outer expansion sleeve in an embodiment of the present invention.

Detailed Description

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

Example 1

A diversion well provided with a cut-off device comprises a diversion well body and the cut-off device,

As an optimization of the diversion well with the cut-off device in the structure, the diversion well body is also provided with a third water outlet, the third water outlet is used for being connected with a primary rain pipe or a primary rain water treatment facility or a regulation and storage tank through a communicating pipe, the third water outlet is provided with a third cut-off device, the outer wall of the sealed shell is attached to the inner wall of the third water outlet, and a flow channel of the third cut-off device is butted with the communicating pipe corresponding to the third water outlet and used for controlling the opening and closing of the third water outlet;

or,

the diversion well body is also provided with a third water outlet which is used for being connected with an initial rain pipe or an initial rainwater treatment facility or a regulation and storage pool through a communicating pipe, a third intercepting device and a first intercepting device are respectively and correspondingly arranged on the third water outlet and the first outlet, the outer walls of the sealing shells of the third intercepting device and the first intercepting device are respectively attached to the inner walls of the corresponding third water outlet and the corresponding first water outlet, and a circulation channel of the first intercepting device is butted with the communicating pipe corresponding to the first outlet and is used for controlling the opening and closing of the first water outlet;

or,

The following provides three forms of flow dividing wells and the specific structures of the corresponding throttling devices respectively.

Fig. 1 is a schematic diagram of a diverter well having a first type closure assembly according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention in the form of a cut-off device.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is an enlarged schematic view of the slide rail and carriage of fig. 2.

Example 2

As shown in fig. 2, 3 and 4, in addition to embodiment 1, the pneumatic cut-off device further comprises a sliding support 11,

the sealing shell is an outer cover 2 which is covered outside the elastic sleeve, two ends of the elastic sleeve are detachably and hermetically connected with two ends of the outer cover, an air cavity or a water cavity is formed between the inner wall of the outer cover and the outer wall of the elastic sleeve, the air cavity or the water cavity is provided with an inlet, when high-pressure gas or high-pressure water is flushed into the air cavity or the water cavity, the elastic sleeve deforms, and the sectional area of the flow channel is reduced;

and the sliding support piece 11 is arranged in the air cavity or the water cavity, and comprises a sliding rail 12 and a support part 13, the sliding rail is arranged along the axis direction of the elastic sleeve, the support part is slidably arranged on the sliding rail, and the support surface of the support part is attached to the outer wall of the undeformed elastic sleeve along the gravity direction.

Example 3

On the basis of the above embodiment 2, the slide rail 12 is disposed on the inner wall of one side of the outer cover; the supporting portion 13 in this embodiment is disposed at the tail of the slide rail, and may also be disposed at the middle of the guide rail or any other position along the moving direction.

Further, as shown in fig. 3, the supporting portion is a bracket, the top portion of the bracket is large, the bottom portion of the bracket is small, the top portion of the bracket is provided with a supporting surface matched and matched with the outline of the outer wall of the elastic sleeve, and the bottom portion of the bracket is provided with a smooth surface contacted with the sliding rail.

The sliding rail 5 is arranged on a section bar fixed on the bottom wall of the outer cover and is a protruding trapezoidal sliding rail; correspondingly, the bottom surface of the supporting part is provided with a sliding groove matched with the trapezoidal sliding rail, and the surface of the sliding rail, which is contacted with the sliding groove, is a smooth surface.

Example 4

As shown in fig. 3 and 4, further in embodiment 3-4, both ends of the elastic sleeve in this embodiment are provided with a ring of edge rings protruding outward, and the edge rings are provided with screw holes connected with the end of the outer cover.

The sealed shell in this embodiment is the dustcoat, and the dustcoat has barrel and end cover, and outside the elastic sleeve was located to the barrel cover, the end cover was located barrel and elastic sleeve's tip, and elastic sleeve passes through the end cover with the barrel and can dismantle sealing connection. In this embodiment, the end cover is the flange, compresses tightly through the bolt and comes sealing connection, sets up seal gasket when necessary and guarantees sealed effect.

Example 5

On the basis of embodiments 3-4, as shown in fig. 3 and 4, in this embodiment, the housing has a cylinder 14, a front cover 15, a rear cover 16 and a pressing cover 17, the cylinder 14 is covered outside an elastic sleeve, one end of the elastic sleeve is connected with one end of the cylinder through the rear cover 16, and the other end of the elastic sleeve is connected with the other end of the cylinder through the front cover and the pressing cover.

In this embodiment, protecgulum, back lid and gland are the flange, compress tightly through the bolt and come sealing connection, set up seal gasket when necessary and guarantee sealed effect.

Example 6

In addition to embodiment 5, as shown in fig. 3 and 4, in this embodiment, the front cover, the rear cover and the press cover are all circular rings, the front cover and the rear cover are respectively disposed at two ends of the barrel 21, the press cover is disposed on one side surface of the front cover away from the rear cover, two ends of the elastic sleeve are provided with a circle of side rings protruding towards the barrel side, one side surface of the rear cover opposite to the front cover abuts against the outside of the side ring at one end of the elastic sleeve, the front cover is disposed between the side ring end surfaces at the other end of the barrel and the elastic sleeve, the press cover abuts against the outside of the front cover and the side rings, and the press cover is respectively connected with.

Obviously, in this case, the front cover and the pressing cover are provided with through holes communicating with the inlet 3, as shown in fig. 1, and external liquid or gas passes through the inlet 3 and enters into an air cavity or a water cavity formed between the inner wall of the outer cover and the outer wall of the elastic sleeve through the through holes on the pressing cover and the front cover.

Example 7

On the basis of the above embodiment, the slide rail is arranged on the inner wall of one side of the outer cover; the support portion in this embodiment is disposed at the tail portion of the slide rail, and may also be disposed at the middle portion of the guide rail or any other position along the moving direction.

Further, as shown in fig. 7, the supporting portion is a bracket, the top portion of the bracket is large, the bottom portion of the bracket is small, the top portion of the bracket is provided with a bearing surface matched and matched with the outline of the outer wall of the elastic sleeve, and the bottom portion of the bracket is provided with a smooth surface contacted with the sliding rail.

The sliding rail is arranged on a profile fixed on the bottom wall of the outer cover and is a protruding trapezoidal sliding rail; correspondingly, the bottom surface of the supporting part is provided with a sliding groove matched with the trapezoidal sliding rail, and the surface of the sliding rail, which is contacted with the sliding groove, is a smooth surface.

A method of installing a shut-off device into a diverter well is described below with reference to fig. 1.

Firstly, reserving a hole with the diameter larger than the outer diameter of the outer cover in a prefabricated part well body;

then positioning the prefabricated well body to a position required to be installed, plugging the whole cut-off device into the hole from the outside, and fixing the gap between the outer cover and the well body through secondary pouring of concrete;

and connecting the tail part of the cut-off device with an external pipeline, and finally backfilling and installing the periphery of the cut-off device.

The maintenance process of the DN600-DN1000 large-caliber cut-off equipment comprises the following steps:

firstly, a person enters the inspection well, the external connecting air pipe is removed, and the gland close to the inner part of the well is removed.

The inner bolts are completely removed by special lengthened bolt sleeves, so that the whole elastic sleeve is removed.

The elastic sleeve is pulled out of the outer cover along the guide rail, and a new elastic sleeve is replaced. The whole maintenance process is completed.

According to the intercepting device provided by the embodiment of the form, the sliding part is arranged between the elastic sleeve and the outer cover, so that the elastic sleeve can be easily pulled out for replacement only after the gland is detached, the operation is convenient and fast, and the installation and the maintenance are simple.

Form two

Fig. 5 is a schematic structural diagram of a diversion well having a shutoff assembly of type two in an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a second type of intercepting component in an embodiment of the present invention.

Example 10

As shown in fig. 5 and 6, on the basis of embodiment 1, the flow stopping device further comprises:

the outer cover 18 is covered outside the elastic sleeve, and one end of the outer cover is connected with one end of the elastic sleeve in a detachable and sealed mode;

a gland 17 having a bore corresponding to the flow passage, the gland being provided at the ends of the outer cover and the elastic sleeve to connect the outer cover and the elastic sleeve,

the sealing shell 2 is an inner shell 2, the sealing shell is covered outside the elastic sleeve and is positioned between the outer cover and the elastic sleeve, two ends of the elastic sleeve are hermetically connected with two ends of the inner shell, an air cavity or a water cavity is formed between the inner wall of the inner shell and the outer wall of the elastic sleeve, the air cavity or the water cavity is provided with an inlet, when high-pressure gas or high-pressure water is filled into the air cavity or the water cavity, the elastic sleeve deforms, and the sectional area of the flow channel is reduced;

the housing or gland is provided with a hole communicating with the inlet.

Example 11

In addition to embodiment 10, the flow stop device of this embodiment further includes a rear cover 16, which is placed in the housing and has a passage hole corresponding to the flow passage.

The back lid is located elastic sleeve's both ends respectively, connects inner shell and elastic sleeve, and the bottom that is close to gland one end links to each other with the gland, and what correspond, elastic sleeve's both ends all are provided with outstanding installation limit ring. The two ends of the inner shell and the bottom cover are in compressed connection through the sealing ring gasket to realize sealing, and the outer surfaces of the two ends of the inner shell, the mounting edge rings at the two ends of the elastic sleeve and the sealing ring gasket are compressed and sealed through the pressing force of the bolt. In this embodiment, back lid and gland are the flange, compress tightly through the bolt and come sealing connection. Correspondingly, holes are formed in the pressing cover and the rear cover and used for penetrating through the air pipe to communicate with the inlet in the outer cover to inflate or fill water into the air cavity or the water cavity.

Preferably, the inner shell is clamped in mounting edge rings arranged at two ends of the elastic sleeve, and a gap is formed between the inner shell and the outer cover.

Preferably, in addition to the above embodiment 1, the head end of the housing is provided with a protruding mounting side ring, and the gland is bolted to the mounting side ring of the housing.

Example 12

In addition to the above embodiments 10 and 11, the inner case is a case made of a rigid material, and is made of a steel plate used in this embodiment.

A method of installing a second form of closure apparatus to a diverter well is described with reference to figure 5:

The method for disassembling, assembling and replacing the elastic sleeve in the second mode comprises the following steps:

firstly, a person enters the diversion well, the external connecting air pipe is removed, and the screw bolts of the gland and the outer cover are removed;

separating the sleeve from the outer cover, and moving the elastic sleeve integrally outwards into the well and then conveying the elastic sleeve to the ground;

and (4) disassembling the whole sleeve on the ground, replacing the elastic sleeve, reassembling a new elastic sleeve and installing the elastic sleeve into the outer cover.

According to the convenient cut-off equipment who dismantles that this form two embodiments provided, because elastic sleeve and dustcoat are direct by gland fixed connection, and an integral detachable during the elastic sleeve, when dismantling, only need demolish the gland and just can relax will contain elastic sleeve's elastic sleeve whole from fixing the pulling out on the reposition of redundant personnel well body, then change, convenient operation is swift, need not change the operation in the pit.

Form III

Fig. 7 is a schematic diagram of a diverter well having a shutoff assembly of the third embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a three-way shut-off assembly according to an embodiment of the present invention.

Example 13

On the basis of embodiment 1, as shown in fig. 7 and 8, the cut-off device in this embodiment further comprises two outer expansion sleeves 19,

the sealing shell is an outer cover and is covered outside the elastic sleeve, two ends of the elastic sleeve are detachably and hermetically connected with two ends of the outer cover, an air cavity or a water cavity is formed between the inner wall of the outer cover and the outer wall of the elastic sleeve, the air cavity or the water cavity is provided with an inlet, when high-pressure gas or high-pressure water is flushed into the air cavity or the water cavity, the elastic sleeve deforms, and the sectional area of the circulation channel is reduced;

and the two outer expansion sleeves 19 are respectively arranged at two ends of the elastic sleeve, and the elastic sleeve is tightly pressed at two ends of the cover through expansion to realize the sealing of the outer cover and the elastic sleeve.

Example 14

On the basis of embodiment 13, as shown in fig. 9, this embodiment provides a specific structure of the outer inflation cuff 19: the outer expansion sleeve 19 comprises an inner taper sleeve 191, an outer taper sleeve 192 and a screw 193 which are matched with each other, a through hole is formed in the inner taper sleeve, a threaded hole for screwing the screw is formed in the outer taper sleeve, and the inner taper sleeve is sleeved by the outer taper sleeve and is matched with the outer taper sleeve in a conical surface mode.

gradually unscrewing the screw to push the outer taper sleeve to be far away from the inner taper sleeve, wherein the outer taper sleeve contracts in the process of being far away and does not press the elastic sleeve any more, and at the moment, the elastic sleeve can be detached from the outer cover.

Example 15

In addition to the above embodiments 13 and 14, the mounting sleeves 20 are provided at both ends of the housing. The outer walls of the two ends of the elastic sleeve are attached to the installation sleeve, and the two ends of the elastic sleeve are extruded and attached to the installation sleeve to realize sealing when the outer expansion sleeve expands.

Preferably, the mounting sleeve in this embodiment is fixedly disposed on the outer cover, and the mounting sleeve may be welded (ring welded) to two ends of the outer cover.

Preferably, the mounting sleeve is flared: the inner diameter of one end of the mounting sleeve positioned in the sleeve is smaller than that of the other end. Such an arrangement facilitates placement of the outer expansion shell into the installation sleeve.

A method of installing a closure of the third form in a diverter well is described below with reference to figure 1 of the accompanying drawings:

then positioning the well body of the prefabricated member to a position required to be installed, plugging the whole cut-off device with the outer expansion sleeve into the hole from the outside, and fixing the gap between the outer cover and the well body through secondary pouring of concrete;

In the third mode, the method for disassembling, assembling and replacing the elastic sleeve comprises the following steps:

the outer expansion sleeve can expand outwards and contract inwards.

Firstly, a person enters the well, a wrench sleeve and other tools are used for rotating and unscrewing the screw of the outer expansion sleeve, the outer taper sleeve of the expansion sleeve is contracted inwards, and the outer expansion sleeve is separated from the elastic sleeve, as shown in figure 6.

When the two expansion sleeves are loosened, the elastic sleeve is horizontally taken out of the outer cover, a new elastic sleeve is replaced, and then the screw is screwed down to lock and fix the elastic sleeve by the outer expansion sleeve, so that the replacement is completed.

According to the flow stopping device with the outer expansion sleeve provided by the third embodiment of the form, because the outer expansion sleeve is arranged between the elastic sleeve and the outer cover, the elastic sleeve can be easily detached from the outer cover only by screwing or unscrewing the screw of the outer expansion sleeve, and the pulling operation is convenient and fast.

Example 16

On the basis of the above embodiments 1 to 15, the outer cover, the inner shell and the elastic sleeve have circular cross sections, and the outer cover and the elastic sleeve are coaxially arranged. The elastic sleeve is a rubber sleeve, and elastic materials made of different materials can be selected according to the fluid property of actual fluid, after pressurized air or water is filled in an air cavity or a water cavity, the rubber sleeve deforms inwards under the action of pressure, so that the sectional area of the flow passage is gradually reduced in the water passing area, and the flow passage area can be adjusted according to the required water passing flow, and the rubber sleeve stays at any position.

Example 17

This embodiment provides a control system for a diverter well provided with a shut-off device according to any one of embodiments 1 to 16, further comprising:

the gas source or the water source is used for supplying pressure gas or water;

the controller is respectively electrically connected with the measuring instrument and the control valve and is used for controlling the switch of the control valve according to the measuring information, and the control valve corresponds to the control cut-off device and controls the charging and discharging of the pressurized gas or the water body so as to control the conduction and the cut-off of the water outlet of the diversion well;

wherein,

As a specific case, 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,

The advantages and benefits of the embodiments are: according to the reposition of redundant personnel well of cut-off equipment is installed to the inboard that the embodiment provided, because use compressed air to drive the pneumatic interception subassembly and come to control the switching on and the off state of the outlet pipe of reposition of redundant personnel well, will intercept the subassembly in addition and set up the outlet pipe outside the reposition of redundant personnel well, fix the dustcoat or the dustcoat of the interception device that corresponds in the export of the well body of reposition of redundant personnel well, then detachable change elastic sleeve, it is simple to change the maintenance.

The intercepting device of the embodiment is installed in the space occupied by the diversion well, is compact in installation structure and does not occupy the upper or lower space of the diversion well.

The elastic sleeve of the cut-off device of the embodiment drives the elastic sleeve in an inflation or water filling mode, and is safe and reliable.

The mode of inflating or filling water to extrude the elastic sleeve is used, when the pipe is in a conducting state, the flow path is large, the overflowing amount is not influenced, other parts are not arranged in the flow channel, the passing of garbage is not hindered, and the pipe is particularly suitable for the condition of a municipal sewage pipe network.

Furthermore, only the elastic sleeve is a movable part in the whole cut-off device, so that the cut-off device is very easy to replace even if damaged, and the cut-off device is long in service life, safe and reliable.

Generally speaking, the embodiment provides uses the utility model discloses a control system who holds back device's reposition of redundant personnel well and reposition of redundant personnel well has following benefit:

2. and (3) environmental protection: the compressed air can not introduce secondary pollution, and the compressed air device has no explosion risk;

3. the construction is simple: the excavation amount is small;

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;

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, electric or hydraulic equipment used in the sewage can often generate faults, and the opening and closing piece of the pneumatic cut-off device is simple and cannot generate faults;

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

1. A flow dividing well provided with a cut-off device is characterized by comprising a flow dividing well body and the cut-off device,

the water inlet is used for being communicated with a drainage pipeline at the upstream of the diversion well body, the first water outlet is used for being communicated with a drainage pipeline or a natural water body at the downstream of the diversion well body through a communicating pipe, and the second water outlet is used for being connected with a sewage pipe or an initial rain pipe or a sewage treatment facility or an initial rainwater treatment facility or a regulation and storage tank through a communicating pipe;

the second water outlet is internally provided with the cut-off device, namely a second cut-off device, one end of the second cut-off device extends out of the second water outlet and is connected with the communicating pipe, a flow passage of the second cut-off device is in butt joint with the communicating pipe, the outer wall of the sealing shell is attached to the inner wall of the first water outlet, when the air cavity or the water cavity is filled with pressure gas or pressure water, the elastic sleeve deforms, the sectional area of the flow passage is reduced, the second water outlet is controlled to be cut off, and when the pressure gas or the pressure water in the air cavity or the water cavity is discharged, the elastic sleeve deforms, so that the sectional area of the flow passage is increased, and the second water outlet is controlled to be switched on.

2. The diverter well provided with a shut-off device according to claim 1, wherein:

the diversion well body is also provided with a third water outlet, the third water outlet is used for being connected with an initial rain pipe or an initial rainwater treatment facility or a regulation and storage pool through a communication pipe, a third flow intercepting device is arranged on the third water outlet, the outer wall of the sealing shell is attached to the inner wall of the third water outlet, and a circulation channel of the third flow intercepting device is butted with the communication pipe corresponding to the third water outlet and is used for controlling the opening and closing of the third water outlet; or,

the diversion well body is also provided with a third water outlet, the third water outlet is used for being connected with an initial rain pipe or an initial rainwater treatment facility or a regulation and storage pool through a communication pipe, a third intercepting device and a first intercepting device are respectively and correspondingly arranged on the third water outlet and the first outlet, the outer walls of the sealing shells of the third intercepting device and the first intercepting device are respectively attached to the inner walls of the corresponding third water outlet and the corresponding first water outlet, and a circulation channel of the first intercepting device is butted with the communication pipe corresponding to the first outlet and is used for controlling the opening and closing of the first water outlet; or,

and the first flow intercepting device is arranged on the first outlet, the outer wall of the sealing shell of the first flow intercepting device is attached to the inner wall of the first water outlet, and the flow passage of the first flow intercepting device is butted with the communicating pipe corresponding to the first outlet and used for controlling the opening and closing of the first water outlet.

3. A diverter well provided with a shut-off device according to claim 1, wherein:

the shut-off device further comprises a sliding support,

the sliding support piece is arranged in the air cavity or the water cavity and comprises a sliding rail and a supporting part, the sliding rail is arranged along the axis direction of the elastic sleeve, the supporting part is slidably arranged on the sliding rail, and the supporting surface of the supporting part is attached to the outer wall of the elastic sleeve which is not deformed along the gravity direction.

4. A diverter well provided with a shut-off device according to claim 3, characterized in that:

the sliding rail is arranged on the inner wall of one side of the outer cover;

and/or the supporting part is arranged at the tail part of the slide rail;

5. A diverter well provided with a shut-off device according to claim 2, wherein:

wherein the sealing case includes:

the gland is provided with an aperture corresponding to the flow channel, is arranged at the end parts of the outer cover and the elastic sleeve and is connected with the outer cover and the elastic sleeve, and one end of the gland, which is positioned in the flow dividing well body, is positioned in the flow dividing well body;

the outer cover or the gland is provided with a hole communicated with the inlet.

6. A diverter well provided with a shut-off device according to claim 2, wherein:

wherein the cut-off device also comprises two outer expansion sleeves,

the two outer expansion sleeves are respectively arranged at two ends of the elastic sleeve, and the elastic sleeve is tightly pressed at two ends of the outer cover through expansion to realize the sealing of the outer cover and the elastic sleeve.

7. The diverter well provided with a shut-off device according to claim 6, wherein:

wherein the outer expansion sleeve comprises an inner taper sleeve, an outer taper sleeve and a screw which are matched with each other,

the inner cone sleeve is provided with a through hole,

the outer taper sleeve is provided with a threaded hole for the screw to be screwed in,

the outer taper sleeve is sleeved on the inner taper sleeve, and the taper surfaces are matched;

gradually screwing the screw to pull the outer taper sleeve to wedge into the inner taper sleeve, expanding the outer taper sleeve to press the elastic sleeve in the wedging process,

gradually unscrewing the screw to push the outer taper sleeve to be far away from the inner taper sleeve, wherein the outer taper sleeve contracts in the process of being far away and does not press the elastic sleeve any more.

8. The diverter well provided with a shut-off device according to any one of claims 2 to 7, wherein:

9. A control system for a diverter well equipped with a shut-off device according to any one of claims 2 to 7, further comprising:

the gas source or the water source is used for supplying pressure gas or water;

the conveying pipeline is connected with the cut-off device and the gas source or the water source and is used for conveying gas or water body under pressure;

the control valve is arranged on the conveying pipe and used for controlling the cut-off device to charge and discharge the pressurized gas or the water body;

the controller is respectively electrically connected with the measuring instrument and the control valve and is used for controlling the switch of the control valve according to the measuring information, and the control valve correspondingly controls the inflation and deflation of the cut-off device to control the on and off of the water outlet of the diversion well; wherein,

when the diversion well is provided with two water outlets and the second water outlet is provided with the closure component, the controller is used for controlling the second water outlet to conduct and divert the fine-day sewage and/or the initial rainwater and controlling the second water outlet to stop diverting the middle and later rainwater;

when the diversion well is provided with two water outlets, and the first water outlet and the second water outlet are respectively provided with the first closure component and the second closure component, the controller is used for controlling the second water outlet to be communicated, the first outlet to be closed and to divert sewage and/or initial rainwater in sunny days, and controlling the second water outlet to be closed and the first outlet to be communicated and to divert rainwater in the middle and later periods;

when the diversion well is provided with three water outlets, and the second water outlet and the third water outlet are respectively provided with the second diversion assembly and the third diversion assembly, the controller is used for controlling the second water outlet to be communicated and the third water outlet to be cut off to divert the sewage in sunny days, the third water outlet is communicated and diverted to initial rainwater, and the second water outlet is controlled to be cut off to divert middle and later rainwater;

when the diversion well is provided with three water outlets, and the first water outlet, the second water outlet and the third water outlet are respectively provided with the first diversion assembly, the second diversion assembly and the third diversion assembly, the controller is used for controlling the second water outlet to be communicated and the first water outlet and the third water outlet to be cut off to divert the sewage in the sunny day, the third water outlet to be communicated and the first outlet to be cut off to divert the initial rainwater, and controlling the second water outlet and the third water outlet to be cut off and the first outlet to be communicated to divert the rainwater in the middle and later periods.

10. A control system for a diverter well provided with a shut-off device according to claim 9, wherein: 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,