CN111851706A - Municipal drainage pipeline and construction method thereof - Google Patents
Municipal drainage pipeline and construction method thereof Download PDFInfo
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- CN111851706A CN111851706A CN202010682084.7A CN202010682084A CN111851706A CN 111851706 A CN111851706 A CN 111851706A CN 202010682084 A CN202010682084 A CN 202010682084A CN 111851706 A CN111851706 A CN 111851706A
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- 238000010276 construction Methods 0.000 title abstract description 12
- 238000007689 inspection Methods 0.000 claims abstract description 82
- 238000004140 cleaning Methods 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000001723 curing Methods 0.000 description 12
- 230000007704 transition Effects 0.000 description 9
- 239000007921 spray Substances 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000003848 UV Light-Curing Methods 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sewage (AREA)
Abstract
The application discloses a municipal drainage pipeline and a construction method thereof, and the municipal drainage pipeline comprises at least two inspection wells and pipeline units connected with two adjacent inspection wells, wherein each pipeline unit comprises a pipeline body and a cleaning bag detachably arranged in the pipeline body, and each cleaning bag comprises an installation end part, a filtering water inlet part, a pipeline part and a filtering bottom part; the mounting end part is detachably mounted on the inner wall of the top of the inspection well at the water inlet end of the pipeline body; the filtering water inlet part is arranged in the inspection well at the water inlet end of the pipeline body and is connected to one end of the pipeline part, and the filtering water inlet part is provided with a water inlet filtering hole; the pipeline part is arranged in the pipeline body and matched with the inner wall of the pipeline body; the filtering bottom is positioned at the other end of the pipeline part and is provided with a water outlet filtering hole. This application has the effect of conveniently clearing up above-mentioned municipal drainage pipe.
Description
Technical Field
The application relates to the field of sewer pipe systems, in particular to a municipal drainage pipe and a construction method thereof.
Background
The municipal drainage pipeline refers to rainwater and sewage pipelines under the municipal road, namely a commonly-known sewer pipeline. At present, municipal drainage pipelines in China are usually formed by splicing a plurality of pipeline units, and inspection wells are arranged at certain distances and used for detecting and cleaning the municipal drainage pipelines.
The Chinese invention patent application with application publication number CN 107989170A discloses a pipeline dredging and silt scraping process, wherein a spray head structure of a dredging vehicle is arranged on a high-pressure water pipe, the spray head structure is placed at the starting end of a pipeline, then the high-pressure water pipe is opened to enable high-pressure water to be injected into the spray head structure, the spray head structure is enabled to move from the starting section of the pipeline to the tail end of the pipeline, in the moving process of the spray head structure, the high-pressure water sprayed by the spray head structure can clean impurities on the inner wall of the pipeline, and the impurities are flushed to the starting end of the pipeline.
In view of the above-mentioned related art, the inventor believes that the defect that the municipal drainage pipeline is troublesome to clean exists.
Disclosure of Invention
In order to facilitate cleaning of the municipal drainage pipeline, the application provides the municipal drainage pipeline and a construction process thereof.
In a first aspect, the application provides a municipal drainage pipeline, which adopts the following technical scheme:
a municipal drainage pipeline comprises at least two inspection wells and pipeline units connected to two adjacent inspection wells, wherein each pipeline unit comprises a pipeline body and a cleaning bag detachably mounted in the pipeline body, and each cleaning bag comprises a mounting end part, a filtering water inlet part, a pipeline part and a filtering bottom part; the mounting end part is detachably mounted on the inner wall of the top of the inspection well at the water inlet end of the pipeline body; the filtering water inlet part is arranged in the inspection well at the water inlet end of the pipeline body and is connected to one end of the pipeline part, and the filtering water inlet part is provided with a water inlet filtering hole; the pipeline part is arranged in the pipeline body and matched with the inner wall of the pipeline body; the filtering bottom is positioned at the other end of the pipeline part and is provided with a water outlet filtering hole.
Through adopting above-mentioned technical scheme, above-mentioned municipal drainage pipe is when carrying out the drainage, and the impurity of aquatic is gathered on the inner wall of clearance bag, and can not gather on the inner wall of pipeline body, consequently at the in-process of clearance, only need take out the clearance bag from the pipeline body, installs new clearance bag again, can accomplish municipal drainage pipe's clearance. Compared with the mode of cleaning the municipal drainage pipeline by using the high-pressure cleaning spray head, the cleaning of the municipal drainage pipeline is simpler and more convenient, and the cleaning effect is more ideal. Because the contact of the water body and the pipeline body is reduced by the cleaning bag, the probability of water erosion of the pipeline body in the municipal drainage pipeline is reduced, and the service life of the municipal drainage pipeline is prolonged.
Preferably, a plurality of annular supporting pieces are arranged at intervals in the pipeline part along the length direction of the pipeline part in the cleaning bag, and the annular supporting pieces are made of UV curing glue; the cleaning bag is also provided with a transparent air bag in the inner cavity.
Through adopting above-mentioned technical scheme, annular support piece can prop up the clearance bag for the clearance bag can keep the tubulose shape of circle with the inner chamber looks adaptation of pipeline body, has reduced the influence of clearance bag to municipal drainage pipe's drainage performance.
Wherein, what annular support piece adopted is that the structure of UV curing is glued for annular support piece keeps comparatively soft characteristic when not carrying out ultraviolet curing, conveniently stores and transports the clearance bag. After the cleaning bag is installed in the pipeline body, the transparent air bag is inflated, the expanded transparent air bag supports the annular supporting piece, the ultraviolet lamp curing trolley is used for curing the annular supporting piece, and the cured annular supporting piece forms an inner framework structure of the cleaning bag, so that the pipeline part of the cleaning bag can keep the shape of a circular tube.
Preferably, the pipeline body is equipped with the support annular along its length direction interval, support the annular with annular support piece one-to-one arranges, the pipeline body still is equipped with the locking subassembly, the locking subassembly including install in support annular in the annular gasbag, connect adjacent annular gasbag connect the trachea, for the gas supply line of annular gasbag gas supply and install in gas supply line's gas valve.
Through adopting above-mentioned technical scheme, after the installation of clearance bag finishes, aerify to annular gasbag and make annular gasbag be in the expanded state, aerify to the transparent gasbag of clearance bag again for annular support piece is propped up, and with annular gasbag butt, after annular support piece is solidified, annular support piece is in mutual butt state with the annular gasbag after the inflation, and the clearance bag is difficult for shifting in the pipeline body this moment, has guaranteed the stability of clearance bag at the pipeline body.
When needs clearance bag, take out annular gasbag internal gas and make the flat lower of annular gasbag, annular gasbag is not compressing tightly the annular support piece of clearance bag this moment, and the clearance bag can be comparatively light taken out this moment, has made things convenient for the clearance of clearance bag.
Preferably, the inner wall of pipeline body is equipped with to connect adjacently support the annular and supply connect the spread groove that the trachea was placed, the pipeline body still be equipped with the connection apron that the opening lid of spread groove closed, connection apron with the inner wall of pipeline body is in on the same periphery.
Through adopting above-mentioned technical scheme, will connect the trachea and arrange in the spread groove, and close the notch lid of spread groove through connecting the apron, help transparent gasbag to prop up the clearance bag and form the tubular structure, help the interior water of municipal drainage pipe to flow in the pipeline portion of clearance bag.
Preferably, the width of the annular support member is greater than the width of the annular bladder.
Through adopting above-mentioned technical scheme, when the installation of clearing up the bag, can prop up the pipeline portion of clearing up the bag through transparent gasbag, make annular support piece butt on annular gasbag's inner wall, because annular support piece's width is greater than annular gasbag's width, make annular support piece all be formed with the turn-ups in annular gasbag's both sides, make annular support piece form in its outside with annular gasbag complex cell type structure, help improving annular support piece and annular gasbag's cooperation intensity, reduce the probability that the skew takes place for the clearing up bag in the pipeline body. Meanwhile, the flanging on the annular supporting piece is beneficial to the flow of water in the cleaning bag, and the influence of the annular supporting piece on the flow of the water in the cleaning bag is reduced.
Preferably, the pipeline body is provided with end covers at the water inlet end and the water outlet end, the end covers are provided with thread sections matched with the inner wall threads of the pipeline body, the end covers are further provided with through holes matched with the cleaning bags, and the inner walls of the through holes of the end covers are provided with sealing rings matched with annular supporting pieces of the cleaning bags.
Through adopting above-mentioned technical scheme, during the water that can reduce municipal drainage pipe of settlement of end cover enters into the clearance between clearance bag and the pipeline body, reduced the possibility that the pollutant appears on the inner wall of pipeline body, help the clearance to municipal drainage pipe.
Preferably, the end cover installed at the drainage end of the pipeline body is defined as a second end cover, and the second end cover is further provided with a sealing end cover for covering the through hole of the second end cover.
When municipal drainage pipeline's clearance is carried out, the pipeline unit of the pipeline unit both sides of treating the clearance need block up. The sealing cover can seal the second end cover, and when the pipeline unit is cleaned, the sealing cover and the second end cover are matched, so that the pipeline unit positioned at the front end of the pipeline unit to be cleaned is blocked, and the cleaning of municipal drainage pipelines is facilitated.
Preferably, the top of the inspection well is provided with an inspection well seat and an inspection well cover which is matched with the inspection well seat to cover the opening at the upper end of the inspection well; the top of the inspection well seat is provided with a cover groove for placing the inspection well cover; the mounting end part is provided with a mounting flange arranged in the cover groove, and the mounting flange is fixed on the cover groove through a screw.
By adopting the technical scheme, the cleaning bag is fixed on the inspection well seat through the mounting flange, and the mounting side has the advantages of simple structure, convenience in mounting and dismounting and high fixing strength. Wherein, because the installation tip of clearance bag is fixed in the lid inslot for the rainwater of draining into the inspection shaft from the inspection shaft lid can be drained into in the clearance bag, makes partial bulky pollutant can not be discharged from the clearance bag, can be with this part pollutant clean up when changing the clearance bag, thereby made things convenient for the clearance to municipal drainage pipe.
Preferably, the municipal drainage pipeline is further provided with a filtering assembly, and the filtering assembly comprises a filtering net barrel, a lifting screw, a screw nut and a rotating handle, wherein the filtering net barrel is arranged in the cleaning bag and supported on the inner wall of the water inlet filtering part, the bottom end of the lifting screw is fixed on the filtering net barrel and vertically penetrates through the inspection well cover, the screw nut is fixed on the inspection well cover and is in threaded fit with the lifting screw, and the rotating handle is fixed at the top end of the lifting screw; the top of the inspection well cover is provided with a containing groove for containing the rotating handle and a containing cover plate for covering an opening at the upper end of the containing groove.
By adopting the technical scheme, each section of pipeline unit is provided with the cleaning bag, so that the impurity amount of water discharged into the next section of pipeline unit from the previous section of pipeline unit is less, and the source of pollutants in each section of pipeline unit is basically from water discharged into the municipal drainage pipeline from the inspection well cover. When water is discharged into the municipal drainage pipeline from the inspection well cover, impurities in the water can be intercepted by the filter screen cylinder of the filter assembly, the amount of the impurities entering the pipeline part of the cleaning bag is reduced, and the frequency of replacing the cleaning bag is reduced.
The filter screen cylinder can also support the filter water inlet part of the cleaning bag, so that the filter water inlet part can keep a strutting state, and water can enter the pipeline part of the cleaning bag.
When the filter screen cylinder is cleaned, the accommodating cover plate on the inspection well cover is taken down, the filter screen cylinder is lifted by rotating the rotary handle, then the inspection well cover and the filter screen cylinder are taken down from the inspection well seat, and the filter screen cylinder is washed.
In a second aspect, the application provides a construction method of a municipal drainage pipeline, which adopts the following technical scheme:
a construction method of a municipal drainage pipeline applied to the construction for producing the municipal drainage pipeline according to claim 3, comprising: s1, excavating a foundation pit; s2, building an inspection well; s3, mounting the pipeline body on the foundation pit, and filling the foundation pit again; s4, placing the cleaning bag into the pipeline body, so that the annular supporting pieces in the cleaning bag correspond to the annular air bags in the pipeline body one by one; s5, inflating the annular air bag to ensure that the air pressure of the annular air bag is kept at P1; s6, inflating the transparent air bag in the cleaning bag, and putting the ultraviolet trolley into the transparent air bag, so that the pressure in the transparent air bag is kept at P2, and the pressure of P2 is not more than P1; s7, starting an ultraviolet lamp of the ultraviolet curing trolley, driving the ultraviolet curing trolley to move from the water inlet end of the pipeline part to the water outlet end of the pipeline part, and curing the annular support piece in the pipeline part; and S8, taking the ultraviolet curing trolley and the transparent air bag out of the cleaning bag, and fixing the mounting end part of the cleaning bag at the top of the inspection well.
In summary, the present application includes at least one of the following beneficial technical effects:
1. a municipal drainage pipeline is characterized in that a detachable cleaning bag is arranged in a pipeline body, and when the municipal drainage pipeline is cleaned, the cleaning bag is replaced to finish cleaning of the municipal drainage pipeline, so that the cleaning mode is simple and convenient, and the cleaning effect is ideal;
2. the cleaning bag is made of UV curing glue, so that the cleaning bag is convenient to store and transport, and the cleaning bag is convenient to place in the pipeline body through the inspection well;
3. by arranging the supporting ring groove and the annular air bag in the pipeline body, the annular air bag is in an expanded state and abuts against the annular supporting piece in the drainage process of the municipal drainage pipeline, so that the clearing bag is not easy to jump; when the cleaning bag is replaced, the gas in the annular air bag is pumped out, so that the annular air bag does not abut against the annular support member, and the cleaning bag can be easily pumped out of the pipeline body;
4. Through set up filtering component in the inspection shaft, can filter the water of following the inspection shaft lid and draining into the inspection shaft, can filter the pollutant on the net section of thick bamboo through the clearance to reduce the pollutant quantity that enters into the pipeline portion of clearance bag, thereby reduced the frequency of changing the clearance bag, also help simplifying the clearance to municipal drainage pipe.
Drawings
FIG. 1 is a schematic illustration of the construction of a municipal drainage pipeline in the present application.
Fig. 2 is an enlarged view at a in fig. 1.
Figure 3 is a schematic illustration of the explosive cooperation of the inspection well base, the inspection well cover and the filter assembly in the present application.
Fig. 4 is a schematic structural view of the pipe body in the present application.
Fig. 5 is a schematic structural view of the locking assembly of the present application.
Fig. 6 is a schematic end view of the pipe body at the water inlet end in the present application.
Fig. 7 is an enlarged view at B in fig. 1.
Fig. 8 is an enlarged view at C in fig. 1.
Fig. 9 is a schematic view of the construction of the cleaning bag of the present application.
Fig. 10 is an enlarged view at D in fig. 1.
In the figure: 1. an inspection well; 11. a manhole seat; 111. a cover groove; 12. an inspection well cover; 121. a drain hole; 122. a containing groove; 123. a cover plate is accommodated; 2. a pipe body; 21. a support ring groove; 211. a first support ring groove; 212. a second support ring groove; 22. a supporting convex ring; 23. connecting grooves; 24. connecting the cover plate; 25. a first end cap; 251. a first thread segment; 252. a first through hole; 253. a first seal groove; 254. a first seal ring; 26. a second end cap; 261. a second thread segment; 262. a second through hole; 263. a second seal groove; 264. a second seal ring; 265. sealing the end cap; 27. an air supply groove; 28. a gas supply cover plate; 3. a filter assembly; 31. a filter screen cylinder; 311. a primary filter tank; 32. lifting the lead screw; 33. a lead screw nut; 34. rotating the handle; 4. cleaning the bag; 41. mounting the end portion; 41. installing a flanging; 42. a water inlet part is filtered; 43. a duct section; 44. filtering the bottom; 461. a first annular support; 4611. a first balloon portion; 4612. a first seal portion; 4613. a first transition portion; 462. a second loop-shaped support; 4621. a second bag portion; 4622. a second seal portion; 4623. a second transition portion; 463. a middle annular support; 4631. a middle air bag portion; 4632. an intermediate transition portion; 5. a locking assembly; 51. an annular air bag; 511. a first annular bladder; 512. a second annular air bag; 52. connecting an air pipe; 53. a gas supply duct; 54. a gas valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment of the application discloses a municipal drainage pipeline and a construction method thereof.
Referring to fig. 1, the municipal drainage pipeline comprises at least two inspection wells 1 and a pipeline unit for connecting two adjacent inspection wells 1.
Referring to fig. 2, the horizontal section of the inspection well 1 is circular. The top of the inspection well 1 is provided with an inspection well base 11 and an inspection well cover 12 which is matched with the inspection well base 11 and covers the top opening of the inspection well 1. The inspection well base 11 is fixed on the top of the inspection well 1 through cement, and the top surface of the inspection well base 11 is flush with the road surface. The top of the inspection well base 11 is also provided with a cover groove 111 for installing the inspection well cover 12. The manhole cover 12 is a metal circular plate and is fitted with the cover groove 111. When the inspection well cover 12 is installed in the cover groove 111, the upper surface of the inspection well cover 12 is flush with the upper surface of the inspection well base 11, and the upper surface of the inspection well cover 12 is flush with the road surface.
Referring to fig. 3, a drain hole 121 penetrating the inspection well cover 12 is disposed on a circumferential edge of the upper surface of the inspection well cover 12, so that water on a road surface can drain into the inspection well 1 through the drain hole 121.
The municipal drainage pipeline is also provided with a filter assembly 3 on the inspection well cover 12. The filter assembly 3 comprises a filter screen drum 31, a lifting screw 32, a screw nut 33 and a rotary handle 34. The filter screen cylinder 31 is cylindrical, and the top surface of the filter screen cylinder 31 is provided with a primary filter tank 311. The filter screen cylinder 31 is provided with primary filter holes penetrating through the filter screen cylinder 31 at the side wall and the bottom of the primary filter groove 311. The screw nut 33 is mounted in the center of the inspection well cover 12. The lifting screw rod 32 is matched with the screw nut 33 and then vertically penetrates through the inspection well cover 12, and the bottom end of the lifting screw rod 32 is fixed at the center of the bottom surface of the primary filter tank 311 of the filter screen cylinder 31. The rotating handle 34 is fixed to the top end of the elevating screw shaft 32 and is disposed in a horizontal state. The top surface of the manhole cover 12 is provided with a receiving groove 122 for receiving the rotating handle 34 and a receiving cover plate 123 for covering an opening at the upper end of the receiving groove 122. When the cover plate 123 is mounted on the cover 12, the top surface of the cover plate 123 is flush with the top surface of the cover 12.
Referring to fig. 1, the pipe unit includes a pipe body 2 and a cleaning bag 4 detachably installed in the pipe body 2.
Referring to fig. 4, the pipe body 2 is a PE corrosion-resistant steel pipe, and a plurality of supporting ring grooves 21 are arranged at intervals on the inner wall of the pipe body 2 along the length direction thereof. Wherein, the supporting ring groove 21 at the water inlet end of the pipe body 2 is defined as a first supporting ring groove 211, and the supporting ring groove 21 at the water outlet end of the pipe body 2 is defined as a second supporting ring groove 212.
Referring to fig. 5, the pipe body 2 is further provided with a locking assembly 5. The locking assembly 5 includes annular air bags 51 installed in the support ring grooves 21, a connecting air pipe 52 connecting adjacent annular air bags 51, a supply air duct 53 supplying air to the annular air bags 51, and an air valve 54 installed on the supply air duct 53.
Referring to fig. 4 and 5, the annular bladder 51 disposed in the first support ring groove 211 is defined as a first annular bladder 511, and the annular bladder 51 disposed in the second support ring groove 212 is positioned as a second annular bladder 512. The gas supply line 53 is connected to the side of the first annular bladder 511 remote from the second annular bladder 512.
Referring to fig. 4 to 5, the pipe body 2 is provided at an inner wall thereof with a connecting groove 23 for connecting adjacent support ring grooves 21 and for placing a connecting air pipe 52. The pipe body 2 is further provided with a connecting cover plate 24 for covering the opening of the connecting groove 23. The connecting cover plate 24 and the inner wall of the pipe body 2 are on the same circumferential surface. The duct body 2 is further provided with an air supply groove 27 communicating with the first support ring groove 211, and an air supply cover plate 28 covering an opening of the air supply groove 27. The gas supply duct 53 partially protrudes out of the duct body 2 through the gas supply groove 27, and the gas valve 54 is disposed outside the duct body 2.
Referring to fig. 4 and 6, the connection groove 23 and the air supply groove 27 are disposed at the top of the duct body 2.
Referring to fig. 7, the pipe body 2 is further provided with a first end cap 25 at the water inlet end thereof. The first end cap 25 has a first threaded section 251 that is threadedly engaged with the inner wall of the water inlet end of the pipe body 2. The ends of the first thread segments 251 abut the first annular bladder 511. The first end cap 25 further has a first through hole 252 for the cleaning bag 4 to pass through, and the first end cap 25 has a first sealing groove 253 formed in the inner wall of the first through hole 252 in the circumferential direction and a first sealing ring 254 mounted in the first sealing groove 253.
Referring to fig. 8, the duct body 2 is further provided with a second end cap 26 at the drain end thereof. The second end cap 26 has a second threaded section 261 that engages the inner wall of the drain end of the pipe body 2. The ends of the second thread segments 261 abut against the second annular bladder 512. The second end cap 26 also has a second through-hole 262 through which the cleaning bag 4 passes. The second end cover 26 has a second sealing groove 263 formed in the inner wall of the second through hole 262 in the circumferential direction, and a second sealing ring 264 is installed in the second sealing groove 263. The second end cap 26 is further provided with a sealing end cap 265 for sealing and covering the second through hole 262, and the sealing end cap 265 is screw-fitted with the inner wall of the second through hole 262.
Referring to fig. 9, the cleaning bag 4 includes a mounting end portion 41, a filtering inlet portion 42, a pipe portion 43, and a filtering bottom portion 44. Wherein the cleaning bag 4 is entirely made of a light-tight material. The cleaning bag 4 also has a transparent air bag (not shown in the figure) in the inner cavity, and the length of the transparent air bag is consistent with that of the cleaning bag 4, so that the cleaning bag 4 can be propped up from the inside after the transparent air bag is inflated.
Referring to fig. 2 and 9, the mounting end 41 of the cleaning bag 4 is matched with the inspection well base 11, and has a mounting flange 41 placed in the cover groove 111 of the inspection well base 11, and the mounting flange 41 is fixed in the cover groove 111 by screws.
Referring to fig. 1, the filtering water inlet portion 42 of the cleaning bag 4 is disposed in the inspection well 1, and water inlet filtering holes are uniformly distributed in the filtering water inlet portion 42. The filter screen cylinder 31 of the filter assembly 3 is disposed in the filter water inlet portion 42, and the filter water inlet portion 42 is supported, so that the outer side wall of the filter screen cylinder 31 is attached to the inner wall of the filter water inlet portion 42.
Referring to fig. 1, the tube portion of the cleaning bag 4 is fitted with the tube body 2. The duct portion 43 is provided with annular support members at intervals along the length direction thereof in one-to-one correspondence with the annular bladders 51. The annular support members are each made of UV curable glue, the width of the annular support member being greater than the width of the corresponding annular bladder 51.
Referring to fig. 1 and 7, the annular support member corresponding to the first annular bladder 511 is defined as a first annular support member 461. After the first annular support 461 is supported by the transparent airbag and cured, the first annular support 461 includes a first airbag portion 4611 attached to the first annular airbag 511, a first sealing portion 4612 abutted to the first sealing ring 254, and a first transition portion 4613 located on one side of the first airbag portion 4611 and far away from the first sealing portion 4612, and the first transition portion 4613 is folded toward the inner wall of the pipe body 2 without abutting against the inner wall of the pipe body 2.
Referring to fig. 1 and 8, the loop-shaped support element corresponding to second loop-shaped bladder 512 is defined as second loop-shaped support element 462. After the second annular support 462 is supported by the transparent bladder and cured, the second annular support 462 includes a second bladder portion 4621 attached to the second annular bladder 512, a second sealing portion 4622 abutted to the second sealing ring 264, and a second transition portion 4623 located on a side of the second bladder portion 4621 away from the second sealing portion 4622, wherein the second transition portion 4623 is folded toward the inner wall of the pipe body 2 without abutting against the inner wall of the pipe body 2.
Referring to fig. 1 and 10, an annular support member located between the first annular support member 461 (see fig. 7) and the second annular support member 462 (see fig. 8) is defined as an intermediate annular support member 463. After the middle annular support 463 is supported by the transparent bladder and the curing is completed, the middle annular support 463 includes a middle bladder portion 4631 matched with the annular bladder 51 and middle transition portions 4632 located at two sides of the middle bladder portion 4631, and the middle transition portions 4632 are folded towards the inner wall of the pipeline body 2 and do not interfere with the inner wall of the pipeline body 2.
With reference to fig. 1 to 10, the method for constructing the municipal drainage pipeline comprises the following steps:
s1, excavating a foundation pit, and excavating the foundation pit with an inverted isosceles trapezoid cross section in the construction area;
s2, building the inspection well 1 on a foundation pit;
s3, installing the locking assembly 5 into the pipeline body 2, fixing the outer side wall of the annular air bag 51 on the bottom surface of the support ring groove 21 of the pipeline body 2 by glue, and completing foundation pit refilling after installing the pipeline body 2 provided with the locking assembly 5 into the foundation pit;
s4, after a sunshade is built above the inspection well 1, the cleaning bag 4 is placed into the pipeline body 2, the annular supporting pieces in the cleaning bag 4 correspond to the annular air bags 51 in the pipeline body 2 one by one, the second cover body is installed at the drainage end of the pipeline body 2, and the first cover body is installed at the water inlet end of the pipeline body 2;
s5, connecting the air tank with the air supply pipeline 53, opening the air valve 54 to inflate the annular air bag 51, keeping the air pressure of the annular air bag 51 at P1 and P1 at 0.15MPa, closing the air valve 54, and removing the air tank from the air supply pipeline 53;
s6, inflating the transparent air bag in the cleaning bag 4 by using an inflator pump, after the cleaning bag 4 is propped up by the transparent air bag, putting the ultraviolet curing trolley into the transparent air bag, and continuing to inflate the transparent air bag, so that the pressure in the transparent air bag is kept at P2, and P2 is 0.13Mpa, at the moment, the pipeline part 43 of the cleaning bag 4 is propped up by the transparent air bag, so that the annular supporting pieces in the cleaning bag 4 and the annular air bags 51 are in one-to-one correspondence and are mutually abutted;
S7, turning on the ultraviolet lamp of the ultraviolet curing cart, and driving the ultraviolet curing cart to move from the water inlet end of the pipeline portion 43 to the water outlet end of the pipeline portion 43, so as to cure the annular support in the pipeline portion 43, wherein the first air bag portion 4611 of the first annular support 461 is attached to the first annular air bag 511, the first sealing portion 4612 of the first annular support 461 is circumferentially abutted to the first sealing ring 254 of the first cover, the second air bag portion 4621 of the second annular support 462 is attached to the second annular air bag 512, and the second sealing portion 4622 of the second annular support 462 is circumferentially abutted to the second sealing ring 264 of the second cover;
s8, taking the ultraviolet curing trolley and the transparent air bag out of the cleaning bag 4, and fixing the mounting flange 41 of the mounting end part 41 in the cleaning bag 4 in the cover groove 111 of the inspection well seat 11 through screws.
S9, the manhole cover 12 is installed in the manhole base 11, and the rotary handle 34 is rotated, so that the filter screen cylinder 31 gradually extends into the filter inlet 42 of the cleaning bag 4, and the filter inlet 42 is supported.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A municipal drainage pipeline comprises at least two inspection wells (1) and pipeline units connected to two adjacent inspection wells (1), and is characterized in that each pipeline unit comprises a pipeline body (2) and a cleaning bag (4) detachably mounted in the pipeline body (2), and each cleaning bag (4) comprises a mounting end part (41), a filtering water inlet part (42), a pipeline part (43) and a filtering bottom part (44); the mounting end part (41) is detachably mounted on the inner wall of the top of the inspection well (1) at the water inlet end of the pipeline body (2); the filtering water inlet part (42) is arranged in the inspection well (1) at the water inlet end of the pipeline body (2) and is connected to one end of the pipeline part (43), and the filtering water inlet part (42) is provided with a water inlet filtering hole; the pipeline part (43) is arranged in the pipeline body (2) and is matched with the inner wall of the pipeline body (2); the filtering bottom (44) is positioned at the other end of the pipeline part (43), and the filtering bottom (44) is provided with a water outlet filtering hole.
2. The municipal drainage pipe according to claim 1, wherein the cleaning bags (4) are arranged with a plurality of ring-shaped supports at intervals along the length of the pipe portion (43) within the pipe portion (43), the ring-shaped supports being made of UV-curable glue; the inner cavity of the cleaning bag (4) is also provided with a transparent air bag.
3. The municipal drainage pipeline according to claim 2, wherein the pipeline body (2) is provided with support ring grooves (21) at intervals along the length direction thereof, the support ring grooves (21) are arranged in one-to-one correspondence with the annular support members, the pipeline body (2) is further provided with locking components (5), and the locking components (5) comprise annular air bags (51) installed in the support ring grooves (21), connecting air pipes (52) for connecting adjacent annular air bags (51), air supply pipelines (53) for supplying air to the annular air bags (51), and air valves (54) installed in the air supply pipelines (53).
4. The municipal drainage pipeline according to claim 3, wherein the inner wall of the pipeline body (2) is provided with a connecting groove (23) for connecting the adjacent supporting ring groove (21) and placing the connecting air pipe (52), the pipeline body (2) is further provided with a connecting cover plate (24) for covering the opening of the connecting groove (23), and the connecting cover plate (24) and the inner wall of the pipeline body (2) are arranged on the same circumferential surface.
5. A municipal drainage pipe according to claim 3, wherein the width of the annular support is greater than the width of the annular bladder (51).
6. The municipal drainage pipeline according to claim 5, wherein the pipeline body (2) is provided at both the water inlet end and the water outlet end with end caps having a threaded section for threaded engagement with the inner wall of the pipeline body (2), and further having a through hole for engagement with the cleaning bag (4), the end caps being provided at the inner wall of the through hole with a sealing ring for engagement with the annular support member of the cleaning bag (4).
7. The municipal drainage pipe according to claim 6, wherein the second end cap (26) defines an end cap mounted to the pipe body (2) at the drainage end, and the second end cap (26) is further provided with a sealing end cap (265) for closing the through hole of the second end cap (26).
8. The municipal drainage pipeline according to claim 1, wherein the inspection shaft (1) is provided with an inspection shaft base (11) at the top and an inspection shaft cover (12) which cooperates with the inspection shaft base (11) to cover the upper end opening of the inspection shaft (1); a cover groove (111) for placing the inspection well cover (12) is formed in the top of the inspection well seat (11); the mounting end (41) is provided with a mounting flange (41) arranged in the cover groove (111), and the mounting flange (41) is fixed on the cover groove (111) through a screw.
9. The municipal drainage pipeline according to claim 1, wherein the municipal drainage pipeline is further provided with a filter assembly (3), the filter assembly (3) comprises a filter screen cylinder (31) which is arranged in the cleaning bag (4) and supported on the inner wall of the filtering water inlet part (42), a lifting screw (32) of which the bottom end is fixed on the filter screen cylinder (31) and vertically penetrates through the inspection well cover (12), a screw nut (33) which is fixed on the inspection well cover (12) and is in threaded fit with the lifting screw (32), and a rotating handle (34) which is fixed on the top end of the lifting screw (32); the top of the inspection well cover (12) is provided with a containing groove (122) for containing the rotating handle (34) and a containing cover plate (123) for covering an opening at the upper end of the containing groove (122).
10. A method of constructing a municipal drainage pipeline according to claim 3, comprising: s1, excavating a foundation pit; s2, building the inspection well (1); s3, installing the pipeline body (2) in the foundation pit and filling the foundation pit again; s4, placing the cleaning bag (4) into the pipeline body (2) so that the annular supporting pieces in the cleaning bag (4) correspond to the annular air bags (51) in the pipeline body (2) one by one; s5, inflating the annular air bag (51) to ensure that the air pressure of the annular air bag (51) is kept at P1; s6, inflating the transparent air bag in the cleaning bag (4), and putting the ultraviolet trolley into the transparent air bag, so that the pressure in the transparent air bag is kept at P2, and the pressure of P2 is not more than P1; s7, turning on an ultraviolet lamp of the ultraviolet curing trolley, driving the ultraviolet curing trolley to move from the water inlet end of the pipeline part (43) to the water outlet end of the pipeline part (43), and curing the annular support in the pipeline part (43); s8, taking the ultraviolet curing trolley and the transparent air bag out of the cleaning bag (4), and fixing the mounting end part (41) of the cleaning bag (4) on the top of the inspection well (1).
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| CN202010682084.7A CN111851706B (en) | 2020-07-15 | 2020-07-15 | Municipal drainage pipeline and construction method thereof |
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| CN202010682084.7A CN111851706B (en) | 2020-07-15 | 2020-07-15 | Municipal drainage pipeline and construction method thereof |
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Cited By (1)
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| CN112855414A (en) * | 2021-03-12 | 2021-05-28 | 武汉理工大学 | Power generation system based on piezoelectric-electromagnetic effect |
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| CN111851706B (en) | 2021-08-24 |
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