CN113294207A - Intelligent backwashing tunnel crystallization prevention system - Google Patents
Intelligent backwashing tunnel crystallization prevention system Download PDFInfo
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- CN113294207A CN113294207A CN202110778990.1A CN202110778990A CN113294207A CN 113294207 A CN113294207 A CN 113294207A CN 202110778990 A CN202110778990 A CN 202110778990A CN 113294207 A CN113294207 A CN 113294207A
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 23
- 230000008025 crystallization Effects 0.000 title claims abstract description 23
- 238000011001 backwashing Methods 0.000 title claims abstract description 17
- 230000002265 prevention Effects 0.000 title claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 102
- 238000011010 flushing procedure Methods 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 28
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- 238000007689 inspection Methods 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 9
- 239000013618 particulate matter Substances 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 239000013039 cover film Substances 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000007405 data analysis Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention belongs to the technical field of intelligent backwashing of a tunnel drainage system, and particularly relates to an intelligent backwashing tunnel crystallization-preventing system which comprises a drainage system, a backwashing device, a traction rope mechanism, a flushing water tank, a weather detection system and the like. The problem of the back flush of annular blind pipe in the tunnel drainage system is solved, remain solid particulate matter or crystallization thing in the annular blind pipe easily, and these solid particulate matter or crystallization thing pile up the in-process for a long time, cause annular blind pipe to block up easily, proposed a back flush's scheme in this scheme, can take place the rainfall in the weather after, carry out the back flush with remaining solid particulate matter and crystallization thing that are brought into by the rainwater in the annular blind pipe to reduce the probability of crystallization jam in the tunnel drainage system.
Description
Technical Field
The invention belongs to the technical field of intelligent back washing of a tunnel drainage system, and particularly relates to an intelligent back washing type tunnel crystallization prevention system.
Background
Along with the rapid development of railway construction in China, the construction scale of traffic infrastructure in China is continuously enlarged, the construction and development of high-grade roads and railways are rapid, the remarkable achievement is achieved, and high-standard double-track railways with the speed of more than 200km per hour are increasingly constructed. At present, the highway tunnel position column under construction and planning is the first world in China. The tunnel engineering often has a 'ten tunnels and nine tunnels', and the leakage water is a chronic disease of the tunnel engineering. The tunnel drainage system is a common tunnel disease which is difficult to completely cure, many scholars do many researches on disease treatment, but the treatment effect is difficult to satisfy and the economy is not obvious, and hidden dangers are left for tunnel structure safety and driving safety.
The drainage system of the tunnel is an important part in the safe operation process of the tunnel. In a tunnel drainage system, water in surrounding rocks is usually drained into a central ditch through a circumferential blind pipe, a longitudinal blind pipe and a transverse blind pipe. Particularly in southwest mountainous areas, limestone strata are widely distributed; the karst and karst water development has the characteristics of complexity, diversity, irregularity and the like, so that the construction risk, particularly the operation risk, of the long karst tunnel is higher and higher; meanwhile, water resources in southwest areas of China are rich and rain frequently falls, after the rain falls, the rain gradually permeates along mountains to reach the position of a tunnel, precipitated crystals carried by the rain, surrounding rock fragments and surrounding rock particles enter a tunnel drainage pipe along with the seepage movement of underground water, so that the crystallization blockage phenomenon of a drainage system is caused, the deterioration of the crystallization blockage phenomenon of the drainage system can cause the integral failure of the tunnel drainage system, the stress and service state of the tunnel structure is deteriorated, and the service and operation safety of the tunnel structure is seriously influenced. The tunnel drainage pipe comprises a transverse blind pipe, a longitudinal blind pipe and an annular blind pipe, wherein the transverse blind pipe and the longitudinal blind pipe are most easily blocked. Therefore, if the solid particles and the crystals remaining in the tunnel drainage system are treated in time after rainfall, it becomes a problem to be solved.
Disclosure of Invention
In order to solve the problem that residual solid particles and crystallisates can not be removed in time after rainfall in the existing tunnel drainage system, the scheme provides an intelligent backwashing type tunnel crystallization prevention system.
The technical scheme adopted by the invention is as follows:
an intelligent backwash type tunnel crystallization prevention system, comprising:
the drainage system comprises annular blind pipes and longitudinal pipes, wherein a plurality of annular blind pipes are embedded in the wall of the tunnel, and the left side and the right side of the tunnel are respectively embedded with one longitudinal pipe; the two longitudinal pipes are arranged along the direction of the tunnel and are communicated with the annular blind pipes; this drainage system can carry out the drainage with the rainwater that permeates to tunnel department in the mountain body after the rainfall takes place, and rivers can flow to vertical intraductal along the ring to the blind pipe.
The device comprises a back flusher, a plurality of guide rails and a plurality of sealing rings, wherein the back flusher is in a shuttle shape and is movably arranged in at least one longitudinal pipe, and annular radial elastic membranes are arranged at two ends of the back flusher and are used for plugging the end part of the back flusher; a water injection zone is arranged at the upper part of the back flusher, and the water injection zone is upward and is opposite to the annular blind pipe; a semicircular cover film is arranged at the lower part of the back flusher and is used for plugging the lower part of the inner side wall of the longitudinal pipe; this back flusher is after letting in water, and water pressure can make the both ends of back flusher be provided with annular radial elastic membrane radial expansion and support tightly to the inside wall of vertical pipe, when the shutoff was gone up to vertical pipe, can make the back flusher form the pipeline section of one section vertical shutoff, the below that covers the membrane simultaneously also can paste the inside wall of tight vertical pipe under hydraulic effect, make the water injection district only can be to the reverse water intake of hoop blind pipe, thereby realize the back flush of hoop blind pipe.
The pull rope mechanism is connected with the back flusher through a rope and controls the back flusher to move in the longitudinal pipe; the haulage rope mechanism drives the back flusher to move in a connecting mode through the cotton rope, and when the back flusher finishes annular blind pipes in one area, the haulage rope mechanism can be moved to the next area through the haulage rope machine.
A flushing water tank connected with the back flusher through a hose and a flushing water pump and supplying water to the back flusher; the flush tank can store a water source with less crystallized particles, and when the flushing is needed, the flush tank sends water to the back flusher, and when the flushing is completed, the flush tank stops sending water.
And the weather detection system is electrically connected with the traction rope mechanism and the flushing water pump and is used for adjusting the backwashing frequency according to the rainfall. According to the scheme, the material network control and big data analysis control can be realized through the weather detection system, the stage that water flow passes through the tunnel drainage system can be analyzed according to the rainfall and the rainfall duration and the local geological conditions, and the backwashing operation is controlled at the end period of rainwater drainage by the drainage system, so that crystals or particles are prevented from being remained in the annular blind pipe of the drainage system.
Optionally: the reverse flusher comprises end plates, a water-permeable transverse plate and the covering film, wherein the end plates are disc-shaped, the water-permeable transverse plate is transversely connected between the two end plates, the water-permeable transverse plate divides the end plates into an upper part and a lower part, and the covering film is in a semicircular pipe shape and is connected with the two end plates and the water-permeable transverse plate; the upper half part of the end plate forms the water injection area, and the water permeable transverse plate is provided with a water permeable through hole. The uniform pressure cavity can be formed below the transverse plate which permeates water, so that the covering film has elasticity, and after the uniform pressure cavity is filled with water, the covering film can be attached to the lower part of the pipe wall, so that water used for flushing is prevented from being discharged from other pipelines connected with the longitudinal pipe, and smooth backwashing operation is guaranteed.
Optionally: the side of the end plate far away from the water-permeable transverse plate is provided with a connecting column, the free end of the connecting column is connected with a conical head, and the radial elastic membrane is connected between the conical head and the end plate and can radially stretch out and draw back. A shutoff chamber is supported out by the spliced pole between end plate and conical head, and the radial elastic membrane can radially expand after letting in water in the shutoff chamber to the shutoff is a confined space between two end plates, thereby can guarantee that the hydroenergy that is used for the backwash can vertically pour into the hoop blind pipe into.
Optionally: a plugging cavity is formed among the radial elastic membrane, the conical head and the end plate, a connector used for connecting a hose is arranged on the conical head, and the plugging cavity is communicated with the hose and the inner side of the covering membrane.
Optionally: the sum of the flow of all the water-permeable through holes of the water-permeable transverse plate is not more than the flow of the hose. Because the flow of the water through hole is less, the water can be fed into the plugging cavity and the pressure equalizing cavity in preference to the water injection area, the water pressure capable of tightly abutting against the inner side wall of the longitudinal pipe is formed, the radial elastic membrane can radially expand and tightly abut against the inner side wall of the longitudinal pipe under the action of the water pressure, and the covering membrane positioned at the pressure equalizing cavity can expand and tightly abut against the lower half part of the longitudinal pipe of the water pipe.
Optionally: and a pressure equalizing cavity is formed among the covering film, the two end plates and the water permeable transverse plate, and is communicated with the plugging cavity and the water injection area. The hydroenergy of following output in the water tank can pass through shutoff chamber, voltage-sharing chamber and water injection district in proper order, and water is behind shutoff chamber, voltage-sharing chamber, and the lateral wall of vertical pipe is by the shutoff, and water can only enter into the hoop blind pipe from the water injection district to realize the back flush of hoop blind pipe.
Optionally: the water injection area covers 4-8 annular blind pipes.
Optionally: the traction rope mechanism comprises a rope pulling device and a rope releasing device, and the rope led out by the rope pulling device and the rope releasing device is respectively connected with the two ends of the back flusher. The reverse flusher is controlled by the rope pulling device and the rope releasing device, and the position of the reverse flusher can be conveniently moved.
Optionally: be provided with a plurality of inspection shafts along the trend in tunnel, be provided with a plurality of horizontal inspection hatches in the inspection shaft, the inspection hatches link to each other with vertical pipe to put into vertical pipe with the back flush ware. Because the tunnel penetrating through the mountain body is long or short, an inspection well is required to be arranged at each end distance according to the length of the tunnel, so that independent backwashing is carried out between two adjacent inspection wells, the backwashing efficiency is improved, and the smoothness of backwashing operation is ensured.
Optionally: the weather detection system comprises a rainwater detector, a controller and a cloud server; the rain detector is electrically connected with the controller and detects rainfall, and the cloud server is in communication connection with the controller and receives a control signal of the cloud server.
The invention has the beneficial effects that:
1. the scheme solves the backwashing problem of the annular blind pipe in the tunnel drainage system, solid particles or crystals are easy to remain in the annular blind pipe, and the solid particles or crystals are easy to cause the blockage of the annular blind pipe in the long-term accumulation process;
2. can carry out big data analysis by the controller in this scheme, according to the tunnel of different highway sections meet the drainage law of rainwater after the rainfall in tunnel drainage system, control opening of back flush effect stops to can guarantee the timely clearance of solid particulate matter or crystallization thing in the drainage system, can also carry out remote control according to high in the clouds server simultaneously, realize intelligent operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic structural diagram of an intelligent backwashing tunnel crystallization prevention system in the scheme;
FIG. 2 is a diagram showing a drainage system of the tunnel according to the present embodiment;
FIG. 3 is a perspective view of the back flusher.
In the figure: 1-a drainage system; 11-annular blind pipes; 12-a longitudinal tube; 13-inspection opening; 14-inspection wells; 15-tunnel side ditch; 16-a manifold; 17-central gutter; 18-a transverse tube; 2-a haulage rope mechanism; 21-a rope-collecting device; 22-a rope releasing device; 3-a flushing tank; 31-a washing water pump; 4-a back flusher; 41-a conical head; 42-a radially elastic membrane; 43-end plate; 44-water permeable transverse plates; 45-water permeable through holes; 46-a cover film; 47-pressure equalizing cavity; 48-a roller; 49-connecting column; 5-a weather detection system; 51-a controller; 52-rain detector; 53-cloud server.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments, but not all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts will belong to the protection scope of the present solution based on the embodiments in the present solution.
Example 1
As shown in fig. 2, the present embodiment designs a drainage system 1 applied to a tunnel; the drainage system 1 comprises an annular blind pipe 11, a longitudinal pipe 12, an inspection opening 13, an inspection well 14, a tunnel side ditch 15, a collecting pipe 16, a central ditch 17, a transverse pipe 18 and the like.
The method comprises the following steps that a plurality of annular blind pipes 11 are arranged on the wall of a tunnel, the annular blind pipes 11 are arranged in parallel along the direction of the tunnel, a longitudinal pipe 12 is buried at each of the left side and the right side of the tunnel, the two longitudinal pipes 12 are arranged along the direction of the tunnel and are communicated with the annular blind pipes 11, when rainwater permeates into the annular blind pipes 11, the rainwater can flow into the longitudinal pipes 12 along the annular blind pipes 11 and is gathered by the longitudinal pipes 12, and a plurality of transverse pipes 18 are connected below each longitudinal pipe 12; tunnel side ditches 15 are respectively arranged at the left side and the right side of the tunnel; the longitudinal tubes 12 and the tunnel lateral grooves 15 on the same side of the tunnel communicate by means of transverse tubes 18.
A central ditch 17 is buried at the center of the ground of the tunnel, and the tunnel side ditches 15 at both sides of the tunnel are communicated with the central ditch 17 through a plurality of collecting pipes 16.
A plurality of inspection wells 14 are arranged along the direction of the tunnel, a plurality of transverse inspection ports 13 are arranged in the inspection wells 14, and the inspection ports 13 are connected with the longitudinal pipes 12. After rainfall on the road section where the tunnel is located, rainwater penetrating to the tunnel in a mountain body is drained, the extending water flow can flow into the longitudinal pipe 12 along the annular blind pipe 11, then flows into the central ditch 17 through the transverse pipe 18, the tunnel side ditch 15 and the collecting pipe in sequence, and is discharged out of the tunnel. Since the tunnel passing through the mountain is long or short, it is necessary to provide one manhole 14 at a distance from each end according to the length of the tunnel, and to check the blockage of the longitudinal pipe 12 through the manhole 14.
Example 2
As shown in fig. 1 to 3, solid particles and crystals remain in the rainwater collecting process due to the circumferential blind pipe 11 of the drainage system 1 in example 1. Therefore, it is necessary to back flush the annular blind pipe 11 in the drainage system 1. Therefore, the present embodiment designs a back flusher 4 that prevents the ring from crystallizing towards the blind pipe 11.
The back flusher 4 is in a shuttle shape and is movably arranged in the longitudinal pipe 12; the back flusher 4 comprises a conical head 41, a radial elastic membrane 42, an end plate 43, a water permeable transverse plate 44, a water permeable through hole 45, a covering membrane 46, a pressure equalizing cavity 47, a roller 48, a connecting column 49 and the like.
The end plates 43 are disc-shaped, the water permeable transverse plate 44 is transversely connected between the two end plates 43, the water permeable transverse plate 44 divides the end plates 43 into an upper part and a lower part, the upper part of the end plates 43 forms the water injection area, the water injection area faces upwards and is opposite to the annular blind pipes 11, the water injection area can cover 4-8 annular blind pipes 11, and the covering film 46 is semicircular and is connected with the two end plates 43 and the water permeable transverse plate 44; the covering film 46, the two end plates 43 and the water-permeable transverse plate 44 form a pressure equalizing cavity 47 therebetween. The cover film 46 is elastic and semicircular and after filling the pressure equalizing chamber 47, the cover film 46 can be attached to the lower part of the pipe wall, thereby preventing water used for flushing from being discharged from other pipes connected to the longitudinal pipe 12. The water permeable transverse plate 44 is provided with a water permeable through hole 45, so that the water injection area is communicated with the pressure equalizing cavity 47 through the water permeable through hole 45. So that water for back flushing can enter the annular blind pipe 11 through the water injection zone.
A connecting column 49 is arranged on one side of the end plate 43 far away from the water permeable transverse plate 44, the free end of the connecting column 49 is connected with a conical head 41, the radial elastic membrane 42 is connected between the conical head 41 and the end plate 43, and the radial elastic membrane 42 can radially extend and retract; annular radial elastic membranes 42 are arranged at both ends of the back flusher 4, a plugging cavity is supported between the end plates 43 and the conical head 41 by a connecting column 49, the radial elastic membranes 42 can expand radially after water is introduced into the plugging cavity, so that a closed space is plugged between the two end plates 43, and the radial elastic membranes 42 are used for plugging the end parts of the back flusher 4. Rollers 48 are provided below the two end plates 43, respectively, to facilitate movement of the backflush device 4 along the longitudinal pipe 12.
A blocking cavity is formed among the radial elastic membrane 42, the conical head 41 and the end plate 43, a connector for connecting a hose is arranged on the conical head 41, and the blocking cavity is communicated with the hose and the inner side of the covering membrane 46; meanwhile, the sum of the flow rates of all the water permeable through holes 45 of the water permeable transverse plate 44 is not more than the flow rate of the hose. The water pressure in the blocking cavity and the pressure equalizing cavity 47 can be made larger, so that the radial elastic membrane 42 can radially expand and tightly abut against the inner side wall of the longitudinal pipe 12, and meanwhile, the covering membrane 46 positioned at the pressure equalizing cavity 47 can expand and tightly abut against the lower half part of the longitudinal pipe 12 of the water pipe.
When the pressure equalizing pipe is used, the pressure equalizing cavity 47, the plugging cavity and the water injection area are communicated, water firstly enters the pressure equalizing cavity 47 through the plugging cavity, and under the action of water pressure in the pressure equalizing cavity 47, the covering film 46 radially expands to plug the lower side wall of the longitudinal pipe 12; under the action of water pressure, the radial elastic membrane 42 expands radially to block the left end and the right end of the water injection area; the water injection zone is communicated with the annular blind pipe. When the middle part of the back flusher 4 forms a section of pipe section covering 4-8 plugs of the annular blind pipes, water in the water injection zone can be reversely fed through the annular blind pipes, and finally the back flushing of the annular blind pipes is finished.
Example 3
As shown in fig. 1-3, in this embodiment, an intelligent back-flushing tunnel crystallization prevention system is designed by combining the drainage system 1 in embodiment 1 and the back-flushing device 4 in embodiment 2, and the system further includes a haulage rope mechanism 2, a flushing water tank 3, a weather detection system 5, and the like.
The hauling rope mechanism 2 comprises a rope pulling device and a rope releasing device 22, the rope pulling device and the rope releasing device 22 can be placed in two service wells, the rope led out by the rope pulling device and the rope releasing device 22 is respectively connected to the back flushing device 4 between the service wells, and the conical heads 41 at the two ends of the back flushing device 4 are respectively connected with the rope pulling device and the rope releasing device 22. The position of the backflush 4 is controlled by a rope puller and rope releaser 22. After the back flusher 4 completes the flushing of the circumferential blind pipe 11 of one zone, the back flusher 4 can be dragged to the next zone by the rope puller or rope releaser 22.
The flushing water tank 3 is connected with the back flusher 4 through a hose and a flushing water pump 31 and supplies water to the back flusher; the flush tank 3 is capable of storing a water source with less crystallized particulate matter, and when flushing is required, the flush tank 3 supplies water to the back flusher 4, and when flushing is completed, the flush tank 3 stops supplying water.
Weather detection system 5 the weather detection system 5 comprises a rain detector 52, a controller 51 and a cloud server 53; the rain detector 52 is electrically connected to the controller 51 and detects rainfall, and the cloud server 53 is communicatively connected to the controller 51 and receives a control signal from the cloud server 53.
The controller 51 is electrically connected to the pull-cord mechanism 2 and the flush water pump 31, and will adjust the backwash frequency according to the rainfall. The controller 51 can carry out rainfall detection through the rainwater detector 52, and the long-range material network control is realized to the cooperation of cloud server 53 simultaneously, and the while controller 51 can also carry out big data analysis according to rainfall, length of rainfall and information such as local geological conditions, and the analysis department rivers pass through tunnel drainage system 1's stage to the completion period control back flush operation of drainage system 1 to rainwater drainage, thereby avoid remaining crystal or particulate matter in drainage system 1's the annular blind pipe.
The above examples are merely for clearly illustrating the examples and are not intended to limit the embodiments; and are neither required nor exhaustive of all embodiments. And obvious variations or modifications of this technology may be resorted to while remaining within the scope of the technology.
Claims (10)
1. The utility model provides an intelligence backwash formula tunnel prevents crystal system which characterized in that: the method comprises the following steps:
the drainage system (1) comprises annular blind pipes (11) and longitudinal pipes (12), wherein a plurality of annular blind pipes (11) are embedded in the wall of the tunnel, and the left side and the right side of the tunnel are respectively embedded with one longitudinal pipe (12); the two longitudinal pipes (12) are arranged along the direction of the tunnel and are communicated with the annular blind pipes (11);
the device comprises a back flusher (4), wherein the back flusher (4) is in a shuttle shape and is movably arranged in at least one longitudinal pipe (12), two ends of the back flusher (4) are provided with annular radial elastic membranes (42), and the radial elastic membranes (42) are used for plugging the end parts of the back flusher (4); a water injection zone is arranged at the upper part of the back flusher (4), and the water injection zone is upward and is opposite to the annular blind pipe (11); a semicircular covering film (46) is arranged at the lower part of the back flusher (4), and the covering film (46) is used for plugging the lower part of the inner side wall of the longitudinal pipe (12);
the pull rope mechanism (2) is connected with the back flusher (4) through a wire rope and controls the movement of the back flusher (4) in the longitudinal pipe (12);
a flushing water tank (3) which is connected with the back flusher (4) through a hose and a flushing water pump (31) and supplies water to the back flusher;
and the weather detection system (5) is electrically connected with the traction rope mechanism (2) and the flushing water pump (31) and is used for adjusting the backwashing frequency according to the rainfall.
2. The intelligent backwash tunnel crystallization prevention system of claim 1, wherein: the back flusher (4) comprises end plates (43), a water permeable transverse plate (44) and the covering film (46), wherein the end plates (43) are disc-shaped, the water permeable transverse plate (44) is transversely connected between the two end plates (43), the water permeable transverse plate (44) divides the end plates (43) into an upper part and a lower part, and the covering film (46) is in a semicircular tube shape and is connected with the two end plates (43) and the water permeable transverse plate (44); the upper half part of the end plate (43) forms the water injection area, and a water permeable through hole (45) is arranged on the water permeable transverse plate (44).
3. The intelligent backwash tunnel crystallization prevention system of claim 2, wherein: a connecting column (49) is arranged on one side, away from the water permeable transverse plate (44), of the end plate (43), a conical head (41) is connected to the free end of the connecting column (49), the radial elastic membrane (42) is connected between the conical head (41) and the end plate (43), and the radial elastic membrane (42) can radially stretch and retract.
4. The intelligent backwash tunnel crystallization prevention system of claim 3, wherein: a blocking cavity is formed among the radial elastic membrane (42), the conical head (41) and the end plate (43), a connector for connecting a hose is arranged on the conical head (41), and the blocking cavity is communicated with the inner side of the hose and the covering membrane (46).
5. The intelligent backwash tunnel crystallization prevention system of claim 4, wherein: the sum of the flow rates of all the water permeable through holes (45) of the water permeable transverse plate (44) is not more than the flow rate of the hose.
6. The intelligent backwash tunnel crystallization prevention system of claim 5, wherein: a pressure equalizing cavity (47) is formed among the covering film (46), the two end plates (43) and the water permeable transverse plate (44), and the pressure equalizing cavity (47) is communicated with the plugging cavity and the water injection area.
7. The intelligent backwash tunnel crystallization prevention system of claim 1, wherein: the water injection area covers 4-8 annular blind pipes (11).
8. The intelligent backwash tunnel crystallization prevention system of claim 1, wherein: the traction rope mechanism (2) comprises a rope pulling device and a rope releasing device (22), and the ropes led out by the rope pulling device and the rope releasing device (22) are respectively connected to the two ends of the back flusher (4).
9. The intelligent backwash tunnel crystallization prevention system of claim 8, wherein: a plurality of inspection wells (14) are arranged along the direction of the tunnel, a plurality of transverse inspection ports (13) are arranged in the inspection wells (14), the inspection ports (13) are connected with the longitudinal pipe (12), and therefore the back flusher (4) is placed into the longitudinal pipe (12).
10. The intelligent backwash tunnel crystallization prevention system of claim 1, wherein: the weather detection system (5) comprises a rainwater detector (52), a controller (51) and a cloud server (53); the rain water detector (52) is electrically connected with the controller (51) and detects rainfall, and the cloud server (53) is in communication connection with the controller (51) and receives a control signal of the cloud server (53).
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000303800A (en) * | 1999-04-20 | 2000-10-31 | Osaka Bosui Constr Co Ltd | Cleaning device and cleaning method for water introducing gutter in underground structure |
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| CN112252458A (en) * | 2020-10-28 | 2021-01-22 | 石家庄铁道大学 | Prevent that permanent magnetism ization that crystallization blockked up can wash tunnel drainage system |
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2021
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| JP2000303800A (en) * | 1999-04-20 | 2000-10-31 | Osaka Bosui Constr Co Ltd | Cleaning device and cleaning method for water introducing gutter in underground structure |
| CN206625869U (en) * | 2017-03-22 | 2017-11-10 | 西南交通大学 | A kind of tunnel drainage sleeve pipe for being used to remove crystallization and silting thing |
| CN111119995A (en) * | 2020-02-24 | 2020-05-08 | 山东省交通规划设计院有限公司 | Dynamic monitoring and dredging drainage method for water pressure and flow velocity at back of tunnel lining |
| CN212078217U (en) * | 2020-02-24 | 2020-12-04 | 山东省交通规划设计院有限公司 | Dredging device for longitudinal tunnel drainage pipeline |
| CN111589805A (en) * | 2020-05-26 | 2020-08-28 | 重庆大学 | Green system and method for removing crystals of drainage pipeline of long and large karst tunnel |
| CN111908646A (en) * | 2020-08-31 | 2020-11-10 | 中交路桥建设有限公司 | Anti-blocking tunnel drainage pipeline flushing system and method |
| CN112252458A (en) * | 2020-10-28 | 2021-01-22 | 石家庄铁道大学 | Prevent that permanent magnetism ization that crystallization blockked up can wash tunnel drainage system |
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