CN221145736U - Steel plate lining repairing structure for sewage pipeline - Google Patents
Steel plate lining repairing structure for sewage pipeline Download PDFInfo
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- CN221145736U CN221145736U CN202322915790.3U CN202322915790U CN221145736U CN 221145736 U CN221145736 U CN 221145736U CN 202322915790 U CN202322915790 U CN 202322915790U CN 221145736 U CN221145736 U CN 221145736U
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- pipeline
- lining
- sewage
- sewage pipeline
- sealing ring
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- 239000010865 sewage Substances 0.000 title claims abstract description 90
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 230000008439 repair process Effects 0.000 claims description 18
- 238000002955 isolation Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 238000001723 curing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000009757 thermoplastic moulding Methods 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Sewage (AREA)
Abstract
The utility model discloses a steel plate lining repairing structure for a sewage pipeline, which comprises a lining pipeline and an external sealing ring, wherein the lining pipeline is provided with a steel plate lining; the sewage pipeline is disconnected at the staggered layer/sinking position to form two sections of pipelines which are coaxially arranged; the lining pipeline is arranged in the sewage pipeline and is coaxially communicated with the two sections of pipelines; the outer sealing ring is in sealing sleeve joint with the outer part of the sewage pipeline, and the outer sealing ring completely wraps the staggered layer/sinking part and the lining pipeline. The utility model relates to the technical field of municipal construction, and can solve the problems that a pipeline needs to be replaced, the cost is high and the difficulty is high in repairing a sewage pipeline with serious staggered floor or sinking in the prior art.
Description
Technical Field
The utility model relates to the technical field of municipal construction, in particular to a steel plate lining repairing structure for a sewage pipeline.
Background
The sewage pipe network is easy to crack during long-term use and frequent compression, so that the pipeline 3 is staggered or sunk to form a staggered/sunk part 301, as shown in fig. 1. At present, the conventional non-excavation repair of the sewage pipeline generally adopts an ultraviolet light curing method, a thermoplastic molding technology, a cement-based mortar spraying method and the like to reinforce the pipeline. However, the above method is not applicable to cases where the sewage pipe has been dislocated or has been severely sunk, particularly when the displacement is up to 200 to 300mm or more.
For the situation that the sewage pipeline is staggered or is seriously sunk, the pipeline can only be repaired by replacing the pipeline at present, so that the cost is high and the construction difficulty is high. Therefore, it is necessary to provide a steel plate lining repair structure for sewage pipelines, which can solve the problems of the prior art that the pipeline needs to be replaced, the cost is high and the difficulty is high in repairing the sewage pipelines with serious staggered layers or sinking.
Disclosure of Invention
The utility model aims to provide a steel plate lining repairing structure for a sewage pipeline, which can solve the problems that the pipeline needs to be replaced, the cost is high and the difficulty is high in repairing the sewage pipeline with serious staggered floor or sinking in the prior art.
The utility model is realized in the following way:
A steel plate lining repairing structure for a sewage pipeline comprises a lining pipeline and an external sealing ring; the sewage pipeline is disconnected at the staggered layer/sinking position to form two sections of pipelines which are coaxially arranged; the lining pipeline is arranged in the sewage pipeline and is coaxially communicated with the two sections of pipelines; the outer sealing ring is in sealing sleeve joint with the outer part of the sewage pipeline, and the outer sealing ring completely wraps the staggered layer/sinking part and the lining pipeline.
The outer diameter of the lining pipeline is consistent with the inner diameter of the sewage pipeline, and the length of the lining pipeline is larger than that of the staggered layer/sinking part on the sewage pipeline, so that the outer walls at the two ends of the lining pipeline respectively extend and are attached to the inner walls of the two sections of pipelines.
The lining pipeline comprises a plurality of lining unit pipelines spliced along the axial direction, and each lining unit pipeline comprises a plurality of arc-shaped annular sheets spliced along the circumferential direction.
An isolation layer is formed on the inner wall of the lining pipeline, and the isolation layer and the lining pipeline form an integrated structure.
The inner diameter of the outer sealing ring is consistent with the outer diameter of the sewage pipeline, and the length of the outer sealing ring is larger than that of the staggered layer/sinking part, so that the inner walls at the two ends of the outer sealing ring respectively extend and are attached to the outer walls of the two sections of pipelines.
Flanges are respectively formed at two ends of the external sealing ring, and the external sealing ring is wrapped on the outer wall of the sewage pipeline through the flanges in a sealing manner.
The flange and the external sealing ring are of an integrated structure.
Compared with the prior art, the utility model has the following beneficial effects:
1. The lining pipeline and the external sealing ring are arranged, so that the lining pipeline plays a role in supporting and repairing the interior of the sewage pipeline in a steel plate lining mode, is convenient to install, has a good repairing effect and high efficiency, and is suitable for repairing staggered layer/sinking parts; meanwhile, the lining pipeline and the staggered layer/sinking part are sealed and wrapped by the external sealing ring, so that the tightness of the staggered layer/sinking part is ensured, the local repair effect of the sewage pipeline can be ensured, the sewage pipeline is not required to be replaced, the repair cost is low, the repair difficulty is low, and the popularization and application value is good.
2. Due to the arrangement of the isolation layer, the CIPP glass pipeline can be formed on the inner wall of the lining pipeline by an ultraviolet curing method, so that the sewage and the lining pipeline are isolated, the corrosion of the sewage to the lining pipeline is reduced, the service life of the lining pipeline is prolonged, and the repairing effect is ensured.
Drawings
FIG. 1 is a schematic illustration of a sewage conduit staggered/submerged structure;
fig. 2 is a sectional view of a steel plate lining repair structure for a sewage pipeline according to the present utility model.
In the figure, 1 lining pipe, 101 lining unit pipe, 2 outer sealing ring, 201 flange, 3 sewer pipe, 301 staggered/submerged site.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1 and 2, a steel plate lining repair structure for a sewage pipeline comprises a lining pipeline 1 and an external sealing ring 2; the sewage pipeline 3 is broken at the staggered layer/sinking position 301 to form two sections of pipelines which are coaxially arranged; the lining pipeline 1 is arranged in the sewage pipeline 3, and the lining pipeline 1 is coaxially communicated with the two sections of pipelines; the outer sealing ring 2 is in sealing sleeve connection with the outside of the sewer pipe 3, and the outer sealing ring 2 completely wraps the staggered layer/sinking portion 301 and the lining pipe 1.
The lining pipe 1 plays a role in bearing pressure on the sewage pipe 3 at the staggered floor/sinking position 301, can be customized and finished in a factory according to the size of the sewage pipe 3, is convenient to install on site, and can support and repair staggered floor or sinking pipe sections.
The external sealing ring 2 can be made of rubber and other materials, plays a role in wrapping and sealing outside the sewage pipeline 3, prevents the repair part of the sewage pipeline 3 from leaking water, is customized and finished in a factory according to the size of the sewage pipeline 3, and is convenient to install on site.
Referring to fig. 2, the outer diameter of the lining pipe 1 is identical to the inner diameter of the sewage pipe 3, and the length of the lining pipe 1 is greater than the length of the staggered layer/sinking portion 301 on the sewage pipe 3, so that the outer walls of the two ends of the lining pipe 1 extend and are attached to the inner walls of the two sections of pipes respectively.
The two ends of the lining pipeline 1 can be fixed on the inner wall of the sewage pipeline 3 by special bolts or welding and the like, so that the supporting and repairing functions in the sewage pipeline 3 are ensured.
The lining pipeline 1 comprises a plurality of lining unit pipelines 101 which are spliced along the axial direction, and each lining unit pipeline 101 comprises a plurality of arc-shaped annular sheets which are spliced along the circumferential direction.
Preferably, for sewer pipes 3 having a diameter of less than 600mm, a circular ring-shaped lining unit pipe 101 may be used. For the sewage pipeline 3 with the diameter being more than or equal to 600mm, each lining unit pipeline 101 comprises 2-3 arc-shaped annular sheets made of 304 or 316 stainless steel, the lining unit pipelines are installed on site in a piece-wise manner after being prefabricated and formed in a factory, the staggered layer/sinking parts 301 are locked into rings by special bolts after being expanded by special tools, the assembly is convenient, the site construction difficulty is reduced, the repair efficiency of the sewage pipeline 3 is improved, and the lining unit pipelines can be suitable for repairing staggered layer and sinking parts of the sewage pipeline 3.
Specifically, for the sewage pipeline 3 with the diameter of 670mm-730mm, two semicircular arc-shaped annular plates with the thickness of 3mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 610mm, and the maximum expansion diameter is 715mm.
For the sewage pipeline 3 with the diameter of 770-830 mm, two semicircular arc-shaped annular plates with the thickness of 3mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 710mm, and the maximum expansion diameter is 815mm.
For the sewage pipeline 3 with the diameter of 870-930 mm, two semicircular arc-shaped annular plates with the thickness of 3mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 810mm, and the maximum expansion diameter is 915mm.
For the sewage pipeline 3 with the diameter of 970-1030 mm, two semicircular arc-shaped annular plates with the thickness of 3mm are spliced to form an annular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 910mm, and the maximum expansion diameter is 1015mm.
For the sewage pipeline 3 with the diameter of 1070-1130 mm, two semicircular arc-shaped annular plates with the thickness of 3mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 1010mm, and the maximum expansion diameter is 1115mm.
For the sewage pipeline 3 with the diameter of 1170-1230 mm, two semicircular arc-shaped annular plates with the thickness of 3mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 1110mm, and the maximum expansion diameter is 1215mm.
For the sewage pipeline 3 with the diameter of 1270mm-1330mm, two semicircular arc-shaped annular plates with the thickness of 3mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 1210mm, and the maximum expansion diameter is 1315mm.
For the sewage pipeline 3 with the diameter of 1370mm-1430mm, three 1/3 circular arc-shaped annular plates with the thickness of 4mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 1310mm, and the maximum expansion diameter is 1415mm.
For the sewage pipeline 3 with the diameter of 1470mm-1530mm, three 1/3 circular arc-shaped annular pieces with the thickness of 4mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 1410mm, and the maximum expansion diameter is 1515mm.
For the sewage pipeline 3 with the diameter of 1570mm-1630mm, three 1/3 circular arc-shaped annular pieces with the thickness of 4mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 1510mm, and the maximum expansion diameter is 1615mm.
For the sewage pipeline 3 with the diameter of 1670mm-1730mm, three 1/3 circular arc-shaped annular pieces with the thickness of 4mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 1610mm, and the maximum expansion diameter is 1715mm.
For the sewage pipeline 3 with the diameter of 1770mm-1830mm, three 1/3 circular arc-shaped annular pieces with the thickness of 4mm are spliced to form a circular lining unit pipeline 101; the length of the lining unit pipe 101 is 200-300mm, the curl diameter of the lining unit pipe 101 is 1710mm, and the maximum expansion diameter is 1815mm.
An isolation layer is formed on the inner wall of the lining pipe 1, and the isolation layer and the lining pipe 1 form an integrated structure.
Preferably, the isolation layer can be formed on the inner wall of the lining pipe 1 by adopting the ultraviolet curing method, thermoplastic molding technology, cement-based mortar spraying method and other modes in the prior art, so that the lining pipe 1 is prevented from being in direct contact with sewage, the corrosion of the lining pipe 1 is reduced, and the service life of the lining pipe 1 is prolonged.
The inner diameter of the outer sealing ring 2 is consistent with the outer diameter of the sewage pipeline 3, and the length of the outer sealing ring 2 is larger than that of the staggered layer/sinking part 301, so that the inner walls at the two ends of the outer sealing ring 2 respectively extend and are attached to the outer walls of the two sections of pipelines.
Preferably, the sealing segment length of the outer sealing ring 2, that is, the overlap joint length of the two ends of the outer sealing ring 2 and the two-end pipelines is 140-240mm respectively, so as to ensure the sealing effect of the outer sealing ring 2.
The two ends of the outer sealing ring 2 are respectively provided with a flange 201, and the outer sealing ring 2 is sealed and wrapped on the outer wall of the sewage pipeline 3 through the flanges 201.
The outer sealing ring 2 and the flange 201 are of a closed annular structure, so that the sealing performance is good, and the repairing effect of the sewage pipeline 3 is ensured. Preferably, the wall thickness of the outer sealing ring 2 is 3mm and the height of the flange 201 is 11mm.
The flange 201 and the outer sealing ring 2 are of an integral structure, and can be manufactured by integral injection molding.
Preferably, the outer sealing ring 2 and the flange 201 are made of rubber materials, and the performance indexes are as follows: hardness ( mole a): 60.+ -.5, tensile strength (MPa): not less than 9, elongation at break (%): not less than 250, and the applicable temperature range is: -40-70 ℃, corrosion resistance (50 pphm:20%,48 h): and (2) a second stage.
Referring to fig. 1 and 2, the construction method for repairing a sewage pipeline 3 of the present utility model comprises:
The position of the staggered floor/sinking position 301 on the sewage pipeline 3 is determined by the prior art such as ultrasonic detection, the air bag is firstly used for expanding and plugging in the sewage pipeline 3 at the upstream of the staggered floor/sinking position 301, and dredging and cleaning the sewage pipeline 3 are carried out, so that the feasibility of repairing construction and the safety in the repairing process are ensured. The blocking of the sewer line 3 by means of the balloon is a normal operation of the repair of the line, and the blocking process thereof will not be described in detail here.
After ventilation and in-well air detection are done, workers enter the staggered floor/sinking position 301 to be repaired, the staggered floor/sinking position 301 is chiseled smoothly, the top is chiseled off, and the bottom is filled. After the staggered layer/sinking part 301 is chiseled, the sewage pipeline 3 forms two sections of pipelines with the middle being disconnected, and the two sections of pipelines are coaxially arranged, so that the sewage pipeline 3 is restored to a smooth original state.
The outer sealing ring 2 is hermetically sleeved on a section of pipeline of the sewage pipeline 3, a plurality of arc-shaped ring pieces are hoisted to the staggered layer/sinking position 301, one lining unit pipeline 101 is formed by circumferential assembly, a plurality of lining unit pipelines 101 are spliced axially to form a lining pipeline 1, and two sections of pipelines are communicated through the lining pipeline 1, so that the staggered layer/sinking position 301 of the sewage pipeline 3 is repaired. The adjacent arc-shaped ring pieces and the adjacent lining unit pipelines are locked and fixed through special bolts to form a whole.
The two sections of the outer wall of the lining pipeline 1 are respectively clung to the outer walls of the two sections of pipelines, so that the two sections of pipelines are connected into an integral sewage pipeline 3, and the purpose of repairing is achieved. The outer sealing ring 2 is moved to the staggered layer/sinking position 301 and completely seals and wraps the lining pipe 1 and the staggered layer/sinking position 301, and two ends of the outer sealing ring 2 are respectively sealed and wrapped on the outer walls of the end parts of the pipes at two ends, so that the repairing tightness of the staggered layer/sinking position 301 is ensured. The two ends of the external sealing ring 2 are further pressed on the outer wall of the sewage pipeline 3 through the flange 201, so that the seepage prevention and the reinforcement effects on the repairing part of the sewage pipeline 3 are achieved.
The inner wall of the lining pipe 1 is isolated from sewage by forming a pipe-in-pipe structure of CIPP (cured IN PLACE PIPE, i.e. in-situ curing) glass pipe on the inner wall of the lining pipe 1 by adopting an ultraviolet curing method, namely an isolating layer, so that the pollution of sewage and the corrosion of the lining pipe 1 are avoided, the service life of the lining pipe 1 is prolonged, and the repairing effect of the sewage pipe 3 is ensured. The ultraviolet curing method is a common operation mode in pipeline repair, and the operation process of the ultraviolet curing method is not repeated here.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A steel plate lining restoration structure for a sewage pipeline is characterized in that: comprises a lining pipeline (1) and an external sealing ring (2); the sewage pipeline (3) is disconnected at the staggered layer/sinking position (301) to form two sections of pipelines which are coaxially arranged; the lining pipeline (1) is arranged in the sewage pipeline (3), and the lining pipeline (1) is coaxially communicated with the two sections of pipelines; the outer sealing ring (2) is in sealing sleeve connection with the outside of the sewage pipeline (3), and the outer sealing ring (2) completely wraps the staggered layer/sinking part (301) and the lining pipeline (1).
2. The steel plate lining repair structure for a sewage pipeline according to claim 1, wherein: the outer diameter of the lining pipeline (1) is consistent with the inner diameter of the sewage pipeline (3), and the length of the lining pipeline (1) is larger than that of a staggered layer/sinking part (301) on the sewage pipeline (3), so that the outer walls of the two ends of the lining pipeline (1) respectively extend and are attached to the inner walls of the two sections of pipelines.
3. The steel plate lining repair structure for a sewage pipeline according to claim 1 or 2, characterized in that: the lining pipeline (1) comprises a plurality of lining unit pipelines (101) which are spliced along the axial direction, and each lining unit pipeline (101) comprises a plurality of arc-shaped annular sheets which are spliced along the circumferential direction.
4. A steel plate lining repair structure for a sewage pipeline according to claim 3, characterized in that: an isolation layer is formed on the inner wall of the lining pipeline (1), and the isolation layer and the lining pipeline (1) form an integrated structure.
5. The steel plate lining repair structure for a sewage pipeline according to claim 1, wherein: the inner diameter of the outer sealing ring (2) is consistent with the outer diameter of the sewage pipeline (3), and the length of the outer sealing ring (2) is larger than that of the staggered layer/sinking part (301), so that the inner walls at the two ends of the outer sealing ring (2) are respectively extended and attached to the outer walls of the two sections of pipelines.
6. The steel plate lining repair structure for a sewage pipeline according to claim 1 or 5, characterized in that: flanges (201) are respectively formed at two ends of the outer sealing ring (2), and the outer sealing ring (2) is sealed and wrapped on the outer wall of the sewage pipeline (3) through the flanges (201).
7. The steel plate lining repair structure for a sewage pipeline according to claim 6, wherein: the flange (201) and the external sealing ring (2) are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322915790.3U CN221145736U (en) | 2023-10-30 | 2023-10-30 | Steel plate lining repairing structure for sewage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322915790.3U CN221145736U (en) | 2023-10-30 | 2023-10-30 | Steel plate lining repairing structure for sewage pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221145736U true CN221145736U (en) | 2024-06-14 |
Family
ID=91427727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322915790.3U Active CN221145736U (en) | 2023-10-30 | 2023-10-30 | Steel plate lining repairing structure for sewage pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221145736U (en) |
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2023
- 2023-10-30 CN CN202322915790.3U patent/CN221145736U/en active Active
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