CN211735675U - Assembled steel cast iron filtering blind ditch pipeline - Google Patents
Assembled steel cast iron filtering blind ditch pipeline Download PDFInfo
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- CN211735675U CN211735675U CN202020007015.1U CN202020007015U CN211735675U CN 211735675 U CN211735675 U CN 211735675U CN 202020007015 U CN202020007015 U CN 202020007015U CN 211735675 U CN211735675 U CN 211735675U
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Abstract
The utility model discloses an assembled steel cast iron filtering blind ditch pipeline, which comprises a cast iron perforated inner pipe (1), a cast iron perforated outer pipe (2), geotextile (3), a pipeline connecting piece (4) and sand gravel (5); the geotextile (3) is wrapped on the surface of the cast iron perforated inner pipe (1), the cast iron perforated inner pipe (1) is coaxially arranged in the cast iron perforated outer pipe (2), and sand gravel (5) is filled in a cavity between the cast iron perforated inner pipe (1) and the cast iron perforated outer pipe (2) to form a blind ditch pipeline unit; two adjacent blind ditch pipeline units are coaxially and hermetically connected through a pipeline connecting piece (4) to form a blind ditch pipeline. The utility model discloses an assembly type tempering cast iron perforation pipeline assembles the construction for the construction progress reduces the construction degree of difficulty, improves construction quality, long service life.
Description
Technical Field
The utility model relates to an interior building's french drain pipeline construction structure especially relates to an assembled tempering cast iron filters french drain pipeline.
Background
At present, the blind ditch pipeline that adopts among the indoor building engineering is the plastics material for the majority, and although the pipeline construction convenience of plastics material nevertheless has more problem in construction and use: 1) the plastic material is easy to damage, the material can be damaged in different degrees in the processes of transportation, unloading and installation, and the cost is increased due to phase change; 2) after the installation, the service life is short, the use function of the plastic material is greatly reduced under a long-time humid environment, and the maintenance frequency is high in the use process; 3) the plastic pipeline is softer in material, larger in deformation of the material, and larger in deformation often occurs when the plastic pipeline is not installed, so that the plastic pipeline is difficult to construct in projects with strict requirements on horizontal and vertical directions, such as house buildings, and the like, and has the inherent disadvantage compared with other hard pipes.
Disclosure of Invention
An object of the utility model is to provide an assembled tempering cast iron filters french drain pipeline adopts assembled tempering cast iron perforated pipeline to assemble the construction for the construction progress reduces the construction degree of difficulty, improves construction quality, long service life.
The utility model discloses a realize like this:
an assembled type toughened cast iron filtering blind ditch pipeline comprises a cast iron perforated inner pipe, a cast iron perforated outer pipe, geotextile, a pipeline connecting piece and sand gravel; the geotextile is wrapped on the surface of the cast iron perforated inner pipe, the cast iron perforated inner pipe is coaxially arranged in the cast iron perforated outer pipe, and sand gravel is filled in a cavity between the cast iron perforated inner pipe and the cast iron perforated outer pipe to form a blind ditch pipeline unit; two adjacent blind ditch pipeline units are coaxially and hermetically connected through a pipeline connecting piece to form a blind ditch pipeline.
The filling thickness of the sand gravel above and below the cast iron perforated inner pipe is more than or equal to 120mm, namely the distance between the upper end of the outer wall of the cast iron perforated inner pipe and the upper end of the inner wall of the cast iron perforated outer pipe is more than or equal to 120mm, and the distance between the lower end of the outer wall of the cast iron perforated inner pipe and the lower end of the inner wall of the cast iron perforated outer pipe is more than or equal to 120 mm.
The filling thickness of the sand gravel on the two sides of the cast iron perforated inner pipe is more than or equal to 200mm, namely the distance between the outer wall side end of the cast iron perforated inner pipe and the inner wall side end of the cast iron perforated outer pipe on the same side is more than or equal to 200 mm.
The cast iron perforated inner pipe is a circular pipe, and the cast iron perforated outer pipe is an elliptical pipe.
And a concrete cushion layer is poured below the cast iron perforated outer pipe.
The geotextile has the density of 120g/m2The geotextile.
The pipeline connecting piece is a connecting flange.
The length of the blind ditch pipeline unit is 3 m.
The length of the blind ditch pipeline unit is 6 m.
The length of the blind ditch pipeline unit is 9 m.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses an assembled structure carries out nimble equipment, and application scope is wide, greatly reduced the installation degree of difficulty of blind ditch pipeline, and the construction is simple, swift, does not need cutting during the installation, lifts by crane complicated procedures such as, and 2-3 people can accomplish the installation, practice thrift the time limit for a project.
2. The utility model discloses a toughened cast iron perforated pipe is as the major structure of french drain pipeline, simple structure, when guaranteeing the drainage effect, toughness, intensity and rigidity are great, are convenient for process and transport, have characteristics such as good corrosion resistance, stability, convenient to use nature simultaneously, and the maintenance probability is little, with low costs, long service life.
3. The utility model discloses a flange joint's mode realizes laying of whole pipe network and installs, and it is high to connect the reliability, and the efficiency of construction improves greatly, and easy dismounting is favorable to the later maintenance.
The utility model discloses an assembly type tempering cast iron perforation pipeline assembles the construction, and the assembly flexibility is high for the construction progress reduces the construction degree of difficulty, improves construction quality, long service life, and safe and reliable is applicable to various housing construction engineering, reduces the consumptive material, and is energy-concerving and environment-protective.
Drawings
FIG. 1 is a side sectional view of an assembled tempered cast iron filtering blind ditch pipeline of the present invention;
FIG. 2 is a front sectional view of the assembled tempered cast iron filtering blind ditch pipeline of the present invention.
In the figure, 1 cast iron perforated inner pipe, 2 cast iron perforated outer pipe, 3 geotextile, 4 pipeline connecting pieces, 5 gravel and sand, and 6 concrete cushion.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to the attached drawings 1 and 2, the assembled type toughened cast iron filtering blind ditch pipeline comprises a cast iron perforated inner pipe 1, a cast iron perforated outer pipe 2, geotextiles 3, a pipeline connecting piece 4 and sand gravel 5; the geotextile 3 is wrapped on the surface of the cast iron perforated inner pipe 1, the cast iron perforated inner pipe 1 is coaxially arranged in the cast iron perforated outer pipe 2, and a cavity between the cast iron perforated inner pipe 1 and the cast iron perforated outer pipe 2 is filled with sand gravel 5 to form a blind ditch pipeline unit; two adjacent blind ditch pipeline units are coaxially and hermetically connected through a pipeline connecting piece 4 to form a blind ditch pipeline. The blind ditch pipeline units can be assembled in any number and space according to the installation design requirements.
The filling thickness of the sand gravel 5 above and below the cast iron perforated inner pipe 1 is more than or equal to 120mm, namely, the distance between the upper end of the outer wall of the cast iron perforated inner pipe 1 and the upper end of the inner wall of the cast iron perforated outer pipe 2 is more than or equal to 120mm, the distance between the lower end of the outer wall of the cast iron perforated inner pipe 1 and the lower end of the inner wall of the cast iron perforated outer pipe 2 is more than or equal to 120mm, the normal filtration of water and the normal work of a blind drain pipeline are ensured, and meanwhile, a certain protection effect is also exerted on the blind drain pipeline and the.
The filling thickness of the sand gravel 5 on the two sides of the cast iron perforated inner pipe 1 is more than or equal to 200mm, namely, the distance between the outer wall side end of the cast iron perforated inner pipe 1 on the same side and the inner wall side end of the cast iron perforated outer pipe 2 is more than or equal to 200mm, so that the normal filtration of water and the normal work of a blind ditch pipeline are ensured, and meanwhile, a certain protection effect is also exerted on the blind ditch pipeline and the geotextile.
The cast iron perforated inner pipe 1 can be a circular pipe, and the cast iron perforated outer pipe 2 can be an oval pipe, so as to meet the filling requirement of the sand gravel 5.
The concrete cushion layer 6 can be poured below the cast iron perforated outer pipe 2, so that the cast iron perforated outer pipe 2 can be conveniently installed, and meanwhile, effective support is provided for a blind ditch pipeline.
The geotextile 3 can adopt the density of 120g/m2The geotextile can effectively filter impurities in water, and meets the water filtering requirement of the blind ditch pipeline.
The pipeline connecting piece 4 can adopt a connecting flange, the blind ditch pipeline can be provided with different interface modes according to installation requirements and engineering characteristics, and the flexibility is high. If adopt modes such as flange to connect, easy dismounting, the easy access reduces artifical intensity of labour and the degree of difficulty, overhauls for plastic conduit's interface, and its restoration work timeliness after overhauing the completion is higher, more can realize quick, safe maintenance.
The length of the blind ditch pipeline units is 3m, the blind ditch pipeline units are convenient to assemble, the blind ditch pipeline units are suitable for small-scale engineering, and a proper number of blind ditch pipeline units can be selected to be assembled according to installation requirements.
The length of the blind ditch pipeline units is 6m, the blind ditch pipeline units are convenient to assemble, the blind ditch pipeline units are suitable for small and medium-scale projects, and a proper number of blind ditch pipeline units can be selected to be assembled according to installation requirements.
The length of the blind ditch pipeline units is 9m, the blind ditch pipeline units are convenient to assemble, the blind ditch pipeline units are suitable for large-scale engineering, and a proper number of blind ditch pipeline units can be selected according to installation requirements for assembly.
Preferably, cast iron perforation inner tube 1 and cast iron perforation outer tube 2 adopt the toughened cast iron material to replace the plastic material of common use among the prior art, can effectively improve the rigidity and the intensity of pipeline, have good corrosion resistance, have better performance under the dark humid environment relative to the plastic conduit, long service life reduces and even need not the maintenance, can great degree improvement construction quality. The cast iron perforated inner pipe 1 and the cast iron perforated outer pipe 2 can adopt three moduli of 3m, 6m and 9m, can be quickly and conveniently installed in different spaces, do not need to perform secondary cutting on materials, and have a promoting effect on the construction progress.
During construction, firstly, the linearity of the blind ditch is determined, the trend, the gradient and the like of the blind ditch are determined to meet design requirements, and then the concrete cushion 6 is poured to facilitate the installation of blind ditch pipeline units. And (3) starting installation of the blind ditch pipeline units after the construction of the concrete cushion 6 is finished, laying the blind ditch pipeline units according to the determined line and gradient, determining the number of 3m, 6m and 9m cast iron pipes according to the size of a room, and formally starting installation work of the blind ditch pipeline units after the number proportion is finished. And after the blind ditch pipeline units are installed, the blind ditch pipeline units are connected by adopting a pipeline connecting piece 4 such as a flange, and the elevation of the pipeline is measured again after the connection is finished, so that the gradient is ensured to meet the requirement of filtering and draining. After the installation and butt joint are finished, the whole surface of the cast iron perforated inner pipe 1 is wrapped by 120g/m2The geotextile 3 is used for filtering impurities in water completely, and then the cast iron perforated inner pipe 1 is backfilled with graded sand gravel 5 within the ranges of 200mm at the left and right sides and 120mm at the upper and lower sides, so that normal filtration of water is ensured, the blind ditch pipeline can work normally, and the pipeline and the geotextile 3 are protected. In this embodiment, the cast iron perforated inner pipe 1 can be a circular pipe structure, and the cast iron perforations are arranged outsideThe pipe 2 can adopt an elliptical pipe structure, the semi-minor axis of the cast iron perforated outer pipe 2 is 120mm larger than the radius of the cast iron perforated inner pipe 1, the semi-major axis of the cast iron perforated outer pipe 2 is 200mm larger than the radius of the cast iron perforated inner pipe 1, and the cast iron perforated inner pipe 1 and the cast iron perforated outer pipe 2 are coaxially arranged to ensure the filling of the sand gravel 5. And after the installation is finished for a period of time, testing the filtering and draining effect, and starting normal construction steps after the requirements are met.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an assembled steel cast iron filters blind ditch pipeline, characterized by: comprises a cast iron perforated inner pipe (1), a cast iron perforated outer pipe (2), geotextile (3), a pipeline connecting piece (4) and sand gravel (5); the geotextile (3) is wrapped on the surface of the cast iron perforated inner pipe (1), the cast iron perforated inner pipe (1) is coaxially arranged in the cast iron perforated outer pipe (2), and sand gravel (5) is filled in a cavity between the cast iron perforated inner pipe (1) and the cast iron perforated outer pipe (2) to form a blind ditch pipeline unit; two adjacent blind ditch pipeline units are coaxially and hermetically connected through a pipeline connecting piece (4) to form a blind ditch pipeline.
2. The assembled tempered cast iron filter blind ditch pipe of claim 1, wherein: the filling thickness of the sand gravel (5) above and below the cast iron perforated inner pipe (1) is more than or equal to 120mm, namely, the distance between the upper end of the outer wall of the cast iron perforated inner pipe (1) and the upper end of the inner wall of the cast iron perforated outer pipe (2) is more than or equal to 120mm, and the distance between the lower end of the outer wall of the cast iron perforated inner pipe (1) and the lower end of the inner wall of the cast iron perforated outer pipe (2) is more than or equal to 120 mm.
3. The assembled tempered cast iron filter blind ditch pipe of claim 1, wherein: the filling thickness of the sand gravel (5) on the two sides of the cast iron perforated inner pipe (1) is more than or equal to 200mm, namely, the distance between the outer wall side end of the cast iron perforated inner pipe (1) on the same side and the inner wall side end of the cast iron perforated outer pipe (2) is more than or equal to 200 mm.
4. The fabricated tempered cast iron filter blind channel pipe as claimed in any one of claims 1 to 3, wherein: the cast iron perforated inner pipe (1) is a round pipe, and the cast iron perforated outer pipe (2) is an oval pipe.
5. The assembled tempered cast iron filter blind ditch pipe of claim 1, wherein: and a concrete cushion layer (6) is poured below the cast iron perforated outer pipe (2).
6. The assembled tempered cast iron filter blind ditch pipe of claim 1, wherein: the geotextile (3) has the density of 120g/m2The geotextile.
7. The assembled tempered cast iron filter blind ditch pipe of claim 1, wherein: the pipeline connecting piece (4) is a connecting flange.
8. The assembled tempered cast iron filter blind ditch pipe of claim 1, wherein: the length of the blind ditch pipeline unit is 3 m.
9. The assembled tempered cast iron filter blind ditch pipe of claim 1, wherein: the length of the blind ditch pipeline unit is 6 m.
10. The assembled tempered cast iron filter blind ditch pipe of claim 1, wherein: the length of the blind ditch pipeline unit is 9 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020007015.1U CN211735675U (en) | 2020-01-02 | 2020-01-02 | Assembled steel cast iron filtering blind ditch pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020007015.1U CN211735675U (en) | 2020-01-02 | 2020-01-02 | Assembled steel cast iron filtering blind ditch pipeline |
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| CN211735675U true CN211735675U (en) | 2020-10-23 |
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| CN202020007015.1U Active CN211735675U (en) | 2020-01-02 | 2020-01-02 | Assembled steel cast iron filtering blind ditch pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115821896A (en) * | 2022-12-22 | 2023-03-21 | 中铁二院工程集团有限责任公司 | Assembled blind ditch structure and blind ditch system suitable for large-scale spoil area in mountain area |
-
2020
- 2020-01-02 CN CN202020007015.1U patent/CN211735675U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115821896A (en) * | 2022-12-22 | 2023-03-21 | 中铁二院工程集团有限责任公司 | Assembled blind ditch structure and blind ditch system suitable for large-scale spoil area in mountain area |
| CN115821896B (en) * | 2022-12-22 | 2024-04-30 | 中铁二院工程集团有限责任公司 | Assembled blind ditch structure and blind ditch system suitable for large-scale waste residue field in mountain area |
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