CN212537126U - Pipeline non-excavation repair system - Google Patents
Pipeline non-excavation repair system Download PDFInfo
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- CN212537126U CN212537126U CN202020807494.5U CN202020807494U CN212537126U CN 212537126 U CN212537126 U CN 212537126U CN 202020807494 U CN202020807494 U CN 202020807494U CN 212537126 U CN212537126 U CN 212537126U
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Abstract
The utility model belongs to the technical field of the non-excavation repair of pipeline, concretely relates to non-excavation repair system of pipeline. The utility model provides a non-excavation repair system of pipeline is including interior bushing pipe and solidification lamps and lanterns, and interior bushing pipe includes that from interior to exterior sets gradually interior rete, fine layer of glass and rete, contains resin, ultraviolet curing agent and infrared light curing agent in the fine layer of glass, and solidification lamps and lanterns include at least one ultraviolet emitter and at least one infrared emitter, and the axial direction removal of bushing pipe can be followed to the solidification lamps and lanterns. According to the utility model provides a non-excavation repair system of pipeline can improve the solidification rate and the solidification intensity of interior bushing pipe in low temperature environment, guarantees going on smoothly of pipeline repair work.
Description
Technical Field
The utility model belongs to the technical field of the non-excavation repair of pipeline, concretely relates to non-excavation repair system of pipeline.
Background
Town underground drainage pipeline is along with the increase of service life, and the inside defect of pipeline is more and more, and the lining pipe material of pipeline non-excavation lining technique with its excellent environmental protection, advanced convenient construction process is more and more received by the market. The emerging ultraviolet curing technology occupies an absolutely leading position in the old pipeline trenchless repair market. With the application of a large number of ultraviolet curing technologies, some technical defects are gradually exposed, and the curing strength and the curing speed of the lining pipe are obviously reduced when the ambient temperature or the temperature in the pipeline is gradually lower. The reason is that the heat generated by the reaction of the ultraviolet curing agent and the resin is insufficient to support the whole curing reaction, so that the reaction process is slow, the resin reaction is incomplete, and the detection data of the cured lining tube is reduced.
When the ambient temperature is too low, the chemical reaction of the resin is slowed down, the irradiation time needs to be prolonged, the construction cost is increased, and the strength of the lining pipe after final curing is also reduced. When the temperature of the pipeline is less than or equal to 10 ℃, the influence on the construction is small, and when the temperature of the pipeline is less than or equal to 5 ℃, the influence on the construction quality is very obvious. Particularly, when the temperature of the construction site is increased in winter in northern areas of China, the construction site can only be stopped, and the construction can be continued only after the temperature is increased again in spring of the next year, so that the construction progress is greatly limited.
Disclosure of Invention
The utility model aims at solving the problem that the lining pipe is difficult to solidify and has low solidifying speed in a low-temperature environment at least. This object is achieved by:
the utility model provides a non-excavation repair system of pipeline, non-excavation repair system of pipeline includes:
the glass fiber reinforced plastic pipe comprises a lining pipe and a plastic pipe body, wherein the lining pipe comprises an inner film layer, a glass fiber layer and an outer film layer which are sequentially arranged from inside to outside, and the glass fiber layer contains resin, an ultraviolet curing agent and an infrared curing agent;
a curing light fixture comprising at least one ultraviolet light emitter and at least one infrared light emitter, the curing light fixture movable along an axial direction of the liner tube.
According to the utility model provides a non-excavation repair system of pipeline, set up the resin in the fine layer of glass through lining pipe, ultraviolet curing agent and infrared curing agent, and shine the lining pipe through the ultraviolet emitter and the infrared emitter of solidification lamps and lanterns, the ultraviolet ray shines on the lining pipe with the infrared light shines simultaneously, ultraviolet curing agent in the ultraviolet light arouses the resin, guarantee the resin solidification, the reaction temperature in the lining pipe not only can be improved to the infrared light, the infrared curing agent in the resin can also be activated resin solidification with higher speed, thereby improve the solidification speed and the curing strength of lining pipe in low temperature environment, guarantee going on smoothly of pipeline repair work.
Additionally, according to the utility model discloses a non-excavation repair system of pipeline still can have following additional technical characterstic:
the utility model discloses an in some embodiments, fine layer of glass includes the fine cloth of multilayer glass, the multilayer in the fine cloth of glass arbitrary layer in the fine cloth of glass is lapped into the tubulose end to end, and arbitrary adjacent two-layer the seam of the fine cloth of glass is 90 settings of being separated by along the circumferencial direction.
In some embodiments of the present invention, the air permeability of the multi-layer glass fabric decreases from inside to outside.
In some embodiments of the present invention, the glass fiber cloth is pure glass fiber cloth or a glass fiber composite card.
In some embodiments of the present invention, the inner film layer and the outer film layer are any one of PE, PET, PP, PA or co-extruded films, which include any one or more of PE, PA and PP.
In some embodiments of the present invention, the inner liner tube further comprises:
the breathable layer is arranged between the glass fiber layer and the outer film layer.
In some embodiments of the present invention, the air permeable layer is a nonwoven fabric.
In some embodiments of the present invention, the content of the infrared light curing agent is less than or equal to 10% of the total amount of the additive.
In some embodiments of the present invention, the distance between the ultraviolet light emitter and the infrared light emitter and the inner wall of the pipeline formed by the inner lining pipe is 20cm to 30 cm.
In some embodiments of the present invention, the trenchless pipeline rehabilitation system further comprises:
the tractor is connected with the curing lamp through a traction wire and used for drawing the curing lamp to move along the axial direction of the lining pipe;
the engineering truck is connected with the curing lamp through a cable and used for supplying power to the ultraviolet light emitter and the infrared light emitter.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. Wherein:
fig. 1 is a schematic view of a partial structure of a trenchless pipeline repairing system according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the liner tube of FIG. 1;
FIG. 3 is a schematic view of a portion of the curing light of FIG. 1;
FIG. 4 is a graph of test data for a sample block of the same lined tube;
fig. 5 is a flow chart of pipeline rehabilitation using the trenchless pipeline rehabilitation system of fig. 1.
The reference numerals in the drawings denote the following:
10: lining tube, 11: intima layer, 12: glass fiber layer, 13: air-permeable layer, 14: an outer film layer;
20: curing the lamp, 21: frame, 22: ultraviolet light emitter, 23: infrared light emitter, 24: connecting rod, 25: roller, 26: a temperature sensor;
30: tractor, 31: a pull wire;
40: engineering truck, 41: a cable;
50: the pipeline is to be repaired.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, the trenchless pipeline rehabilitation system in the present embodiment includes a lining pipe 10, a curing light 20, a tractor 30, and a working truck 40. The inner lining pipe 10 is sleeved on the inner wall surface of the pipeline 50 to be repaired, and the curing lamp 20 is used for irradiating the inner lining pipe 10 and curing the inner lining pipe 10, so that the pipeline 50 to be repaired is repaired. The tractor 30 is connected to the curing lamp 20 through a traction wire 31 for drawing the curing lamp 20 to move in the axial direction of the inner liner tube 10. The engineering truck 50 includes a circuit control system, a fan control system and a video monitoring system. The truck 50 is connected to the curing lights 20 via cables 51 for powering the curing lights 20 and monitoring the curing lights 20 for movement.
As shown in fig. 2, the lining tube 10 in this embodiment includes an inner film layer 11, a glass fiber layer 12, a breathable layer 13, and an outer film layer 14, which are sequentially disposed from inside to outside, and the glass fiber layer 12 contains resin, an ultraviolet curing agent, and an infrared curing agent.
The inner film layer 11 and the outer film layer 14 in this embodiment are made of any one of PE (polyethylene), PET (polyethylene terephthalate), PP (polypropylene), PA (polyamide), or a co-extruded film, wherein the co-extruded film includes any one or more of PE, PA, and PP. The air-permeable layer 13 is a nonwoven fabric layer. The air permeability of the non-woven fabric is 5% -10%, which is beneficial to heat transfer, thereby accelerating the curing of the resin. The glass fiber layer 12 comprises a plurality of layers of glass fiber cloth, any one of the plurality of layers of glass fiber cloth is lapped end to form a tubular shape, and the joint seams of any two adjacent layers of glass fiber cloth are arranged at intervals of 90 degrees along the circumferential direction.
The air permeability of the glass fiber cloth in the embodiment is sequentially reduced from inside to outside, namely the air permeability of the glass fiber cloth which is positioned at the innermost layer and is jointed with the inner film layer 11 is the highest, the air permeability of the glass fiber cloth which is positioned at the outermost layer and is jointed with the outer film layer 14 is the lowest, and the air permeability of each layer of glass fiber cloth is 5% -35%.
The glass fiber cloth in the embodiment is pure glass fiber cloth or a glass fiber composite patch, wherein a toughening agent can be added in the glass fiber composite material, and the toughening agent is one or more of a liquid crystal material, nano silica and TPU, so that the bending strength of the lining tube 10 is further improved.
In another embodiment of the present invention, only a single layer of glass fiber cloth may be provided in the lining pipe 10.
The resin in this embodiment is unsaturated polyester resin or epoxy resin, and the resin contains an ultraviolet curing agent, an infrared curing agent, and an antifoaming agent. The content of the infrared curing agent is less than or equal to 10 percent of the total amount of the additive.
As shown in fig. 3, the curing light fixture 20 in this embodiment includes a frame 21, and ultraviolet light emitters 22 and infrared light emitters 23 alternately arranged on the frame 21, the frame 21 is connected to a plurality of rollers 25 through a connecting rod 24, and the rollers 25 can slide along the inner wall surface of the lining tube 10, so as to ensure that the curing light fixture 20 moves along the axial direction of the lining tube 10. The distance between the ultraviolet light emitter 22 and the infrared light emitter 23 and the lining pipe 10 is controlled between 20cm and 30cm in the pipeline. The infrared light is used for raising the temperature in the lining tube 10 and promoting curing, the ultraviolet light is used for rapidly curing the lining tube 10, and the emission power of the infrared light is adjusted according to the temperature in the lining tube 10. The curing lamp 20 is connected with a circuit control system of the engineering vehicle 40 through a cable 41, the engineering vehicle 40 controls the on-off of the ultraviolet light emitter 22 and the infrared light emitter 23, the power of the infrared light emitter 23 on the curing lamp 20 is adjusted according to the temperature inside the pipeline, the number and the power of the infrared light emitters 23 are properly increased in winter, and the number and the power of the infrared light emitters 23 are reduced in summer. The infrared light emitter 23 can be a halide infrared light lamp or an infrared light LED lamp, the frame 10 is further provided with a temperature sensor 26, a temperature signal is transmitted to the engineering truck 40 through a cable 41, the control system adjusts the output power of the infrared light emitter 23 according to the displayed temperature, and the temperature in the pipeline is controlled to be between 60 ℃ and 80 ℃.
The curing light fixture 20 may be comprised of a single section of light fixture or multiple sections of light fixtures. In a multi-segment luminaire, only the ultraviolet light emitters 22 or the infrared light emitters 23, respectively, may be arranged in adjacent luminaires, so that the ultraviolet light emitters 22 or the infrared light emitters 23 are arranged alternately. Or, the ultraviolet light emitters 22 or the infrared light emitters 23 alternately arranged along the circumferential direction are simultaneously arranged on any one of the multiple sections of lamps. The ultraviolet light emitted by the ultraviolet light emitter 22 is used for exciting an ultraviolet curing agent in the resin to ensure the curing of the resin, the infrared light emitted by the infrared light emitter 23 is used for increasing the reaction temperature in the lining pipe 10, and simultaneously, the infrared curing agent in the resin can be activated to accelerate the curing of the resin, so that the curing speed of the lining pipe 10 in a low-temperature environment is increased, the smooth proceeding of the pipeline repairing work is ensured, the thickness of the cured lining pipe 10 is more than 12mm, and the bending elastic modulus is more than 16000 MPa. Can be constructed in the environment of less than or equal to 10 ℃ and more than or equal to 0 ℃, and the curing quality is not reduced.
As shown in FIG. 4, the flexural modulus after curing of the same sample block of a lined pipe (size: 30 cm. times.30 cm, thickness: 8mm) at different temperatures and irradiation times is shown in the data sheet. Obviously, under the low-temperature environment of less than or equal to 10 ℃ and more than or equal to 0 ℃, the liner tube is irradiated by ultraviolet light and an infrared tube at the same time, so that the liner tube has the maximum flexural modulus in the shortest time.
As shown in fig. 5, the pipe rehabilitation according to the trenchless rehabilitation system of the present embodiment includes the following steps:
the liner pipe 10 is pulled into the pipe 50 to be rehabilitated and the curing light fixture 20 is placed within the pipe formed by the liner pipe 10. Wherein, interior bushing pipe 10 includes interior rete 11, the fine layer 12 of glass and the rete 14 of adventitia that sets gradually from inside to outside, contains resin, ultraviolet curing agent and infrared curing agent in the fine layer 12 of glass, and solidification lamps and lanterns 20 include at least one ultraviolet emitter 22 and at least one infrared emitter 23.
The ultraviolet light emitter 22 and the infrared light emitter 23 are simultaneously in working state, and the curing lamp 20 is drawn to move along the axial direction of the lining tube 10;
and after the inner lining pipe 10 is completely cured, removing the inner film layer 11, taking out the curing lamp 20, and cutting and flattening the two ends of the pipeline to finish the repairing process.
Before the pipe repair is performed by the trenchless pipeline repair system of the present embodiment, the method further includes manufacturing a lining pipe 10. The manufacturing of the lining pipe 10 comprises the following steps:
the outer film layer 14, the glass fiber layer 12 and the inner film layer 11 are sequentially paved on a platform.
The intima layer 11 is crimped and joined at both crimped ends of the intima layer 11 so that the intima layer 11 assumes a tubular configuration.
Curling two ends of the glass fiber layer 12 according to the curling direction of the inner film layer 11, and connecting the two curling ends of the glass fiber layer 12 to enable the glass fiber layer 12 to be in a tubular structure and be attached to the outer part of the inner film layer 11;
the two ends of the outer film layer 14 are curled in the curling direction of the inner film layer 11 and connected with the two curling ends of the outer film layer 14, so that the outer film layer 14 is in a tubular structure and is attached to the outside of the glass fiber layer 12.
The resin, the ultraviolet curing agent and the infrared curing agent are added into the glass fiber layer 12 after being uniformly stirred.
One end of the lining pipe 10 is sealed, and the lining pipe 10 is vacuumed from the other end of the lining pipe 10, and then both ends of the lining pipe 10 are sealed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A trenchless pipeline rehabilitation system comprising:
the glass fiber reinforced plastic pipe comprises a lining pipe and a plastic pipe body, wherein the lining pipe comprises an inner film layer, a glass fiber layer and an outer film layer which are sequentially arranged from inside to outside, and the glass fiber layer contains resin, an ultraviolet curing agent and an infrared curing agent;
a curing light fixture comprising at least one ultraviolet light emitter and at least one infrared light emitter, the curing light fixture movable along an axial direction of the liner tube.
2. The trenchless pipeline restoration system according to claim 1, wherein the glass fiber layer comprises a plurality of layers of glass fiber cloth, any one of the glass fiber cloth layers is connected end to form a tubular shape, and the joints of any two adjacent glass fiber cloth layers are arranged at intervals of 90 degrees along the circumferential direction.
3. The trenchless pipeline rehabilitation system of claim 2, wherein the air permeability of the plurality of layers of glass fiber cloth decreases sequentially from inside to outside.
4. The trenchless pipeline rehabilitation system of claim 2, wherein the fiberglass cloth is a pure fiberglass cloth or a fiberglass composite cloth.
5. The trenchless pipeline rehabilitation system of claim 1, wherein the inner film layer and the outer film layer are any one of PE, PET, PP, PA or co-extruded films, and the co-extruded films comprise any one or more of PE, PA and PP.
6. The trenchless rehabilitation system of claim 1, wherein the liner tube further comprises:
the breathable layer is arranged between the glass fiber layer and the outer film layer.
7. The trenchless rehabilitation system for pipelines of claim 6, wherein the air-permeable layer is a non-woven fabric.
8. The trenchless pipeline rehabilitation system of claim 1, wherein the infrared light curing agent is present in an amount of 10% or less of the total amount of additives.
9. The trenchless pipeline rehabilitation system of claim 1, wherein the ultraviolet light emitter and the infrared light emitter are respectively spaced from the inner wall of the pipeline formed by the lining pipe by a distance of 20cm to 30 cm.
10. The trenchless pipeline rehabilitation system of any of claims 1-9, further comprising:
the tractor is connected with the curing lamp through a traction wire and used for drawing the curing lamp to move along the axial direction of the lining pipe;
the engineering truck is connected with the curing lamp through a cable and used for supplying power to the ultraviolet light emitter and the infrared light emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020807494.5U CN212537126U (en) | 2020-05-15 | 2020-05-15 | Pipeline non-excavation repair system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020807494.5U CN212537126U (en) | 2020-05-15 | 2020-05-15 | Pipeline non-excavation repair system |
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| CN212537126U true CN212537126U (en) | 2021-02-12 |
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| CN202020807494.5U Active CN212537126U (en) | 2020-05-15 | 2020-05-15 | Pipeline non-excavation repair system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407463A (en) * | 2021-12-22 | 2022-04-29 | 北京工商大学 | Anti-ultraviolet multilayer protective film for pipeline repair by in-situ curing method for trenchless repair and preparation method thereof |
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2020
- 2020-05-15 CN CN202020807494.5U patent/CN212537126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407463A (en) * | 2021-12-22 | 2022-04-29 | 北京工商大学 | Anti-ultraviolet multilayer protective film for pipeline repair by in-situ curing method for trenchless repair and preparation method thereof |
| CN114407463B (en) * | 2021-12-22 | 2023-04-11 | 北京工商大学 | Anti-ultraviolet multilayer protective film for pipeline repair by in-situ curing method for trenchless repair and preparation method thereof |
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