CN113026717A - Sectional filter element type water drain pipe and construction method - Google Patents
Sectional filter element type water drain pipe and construction method Download PDFInfo
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- CN113026717A CN113026717A CN202110436772.XA CN202110436772A CN113026717A CN 113026717 A CN113026717 A CN 113026717A CN 202110436772 A CN202110436772 A CN 202110436772A CN 113026717 A CN113026717 A CN 113026717A
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- pipe
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- holes
- flower
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 description 9
- 238000001914 filtration Methods 0.000 description 9
- 230000006378 damage Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 239000011435 rock Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000004746 geotextile Substances 0.000 description 2
- 238000004162 soil erosion Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
-
- 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
Abstract
The invention discloses a sectional filter element type water drain pipe and a construction method, and belongs to the technical field of slope engineering. The sectional filter element type water drain pipe comprises a structural pipe, a filter element structure, a bottom cover and a top cover, wherein the top cover and the bottom cover are respectively arranged at two ends of the structural pipe, a containing cavity is formed between the top cover, the structural pipe and the bottom cover, the filter element structure is of a sectional structure and is arranged in the containing cavity, a plurality of first flower holes are formed in the structural pipe, and a plurality of second flower holes used for draining are formed in the top cover. The sectional filter element type water drain pipe and the construction method realize deep water drain, are not easy to cause water and soil loss and blockage, and are convenient to construct and maintain.
Description
Technical Field
The invention relates to the technical field of slope engineering, in particular to a sectional filter element type water drain pipe and a construction method.
Background
Along with the rapid development of social economy, the popularization of engineering construction is more and more, and in various engineering constructions, particularly, the engineering of landforms of mountains and hills often relates to slope engineering. Because of the construction needs, often need cut the slope to form new artifical side slope to original stable domatic, the stability of artifical side slope often determines the success or failure and the safety degree of major engineering, and often very crucial in the effect of the factor normal water that influences side slope stability. In the prior art, the drain pipe is used as an important structure for drainage of a side slope body, a PVC flower pipe structure is embedded mostly, a geotextile is wrapped outside a pipe body or an anti-filtering structure is arranged at the tail part of the pipe body, however, more technical problems exist, such as water and soil loss (damaged geotextile or damaged anti-filtering structure), blockage and no drainage (blocked flower holes or blocked by animals inhabiting in the holes), difficulty in maintenance (re-drilling is needed), and limited drainage depth (limited embedding depth).
Disclosure of Invention
The invention aims to provide a sectional filter element type water drain pipe and a construction method.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a festival filter core formula outlet pipe, includes structural tube, filter core structure, bottom and top cap, the both ends of structural tube are provided with respectively the top cap with the bottom, the top cap structural tube with form between the bottom and hold the chamber, the filter core structure is the festival formula structure and locates hold the intracavity, be equipped with a plurality of first flower holes on the structural tube, be equipped with a plurality of second flower holes that are used for the drainage on the top cap.
Optionally, the filter element structure includes a plurality of blind pipes, a plurality of frame pipes and a plurality of connecting pieces, the frame pipes are coaxially arranged, the adjacent frame pipes are fixedly connected through the connecting pieces, the plurality of blind pipes are sleeved on the plurality of frame pipes in a one-to-one correspondence manner, the blind pipes are abutted against the inner wall of the structure pipe, and the frame pipes are provided with third flower holes.
Optionally, the blind pipe is a three-dimensional mesh resin fiber sintered pipe, and the porosity of the blind pipe is greater than or equal to 80%.
Optionally, the structural tube has a wall thickness of 4mm or greater; the diameter range of the first flower holes is 6mm-12mm, the central angle range of the distance between adjacent first flower holes in the circumferential direction is 30-60 degrees, and the distance range of adjacent first flower holes in the axial direction is 50mm-80 mm.
Optionally, the filter element structure further includes a base disposed on the skeleton tube closest to the bottom cover, the base abutting on the bottom cover.
Optionally, the diameter of the third flower holes ranges from 3mm to 9mm, the distance between adjacent third flower holes in the axial direction ranges from 50mm to 80mm, the distance between adjacent third flower holes in the circumferential direction ranges from 40 ° to 90 °, and the third flower holes and the first flower holes are arranged in a staggered manner in the radial direction.
Optionally, the thickness of the top cover is more than 25mm, and the top cover is connected to the structural pipe through screw threads; the diameter range of the second flower holes is 6mm-9mm, the distance range of the second flower holes at adjacent positions is 50mm-80mm, and the distance between the outermost end of each second flower hole and the edge of the top cover is less than or equal to 10 mm.
A construction method of a sectional filter element type water drain pipe comprises the following steps:
s1, adopting a pipe following process to cut holes on the side slope, and enabling the diameter of the formed holes to be larger than the peripheral diameter of the structural pipe;
s2, mounting the structural pipe in the hole, and pulling out the heel pipe;
s3, filling asphalt reinforcement bars in gaps formed between the structural pipes and the wall surfaces of the formed holes;
s4, fixedly connecting a plurality of framework pipes of the filter element structure through connecting pieces, sleeving a plurality of blind pipes on the framework pipes in a one-to-one correspondence manner, and placing the filter element structure in the structural pipes;
s5, mounting the top cover on the end of the structural pipe.
Optionally, the construction method of the sectional filter element type drain pipe further includes S6, opening the top cover, taking out the filter element structure, placing a cleaning structure in the structural pipe, filling pressurized water into the cleaning structure to clean the interior of the structural pipe, cleaning the taken-out filter element structure outside the structural pipe, replacing a damaged framework pipe and/or blind pipe, reinstalling the filter element structure in the structural pipe, and reinstalling the top cover on the end of the structural pipe.
Optionally, the cleaning structure comprises a cleaning pipe, a support and a pulley, a plurality of fourth flower holes are formed in the cleaning pipe, the support is arranged on the cleaning pipe in a plurality of numbers, each support is far away from one end of the cleaning pipe and is connected with the pulley, and the pulley can slide along the inner wall of the structural pipe.
Compared with the prior art, the invention has the beneficial effects that: during the structure pipe inserted the side slope, put into the structure pipe with filter core structure, seal the structure pipe with the top cap again, water in the ground flows through filter core structure from first flower hole and flows to the external world from the second flower hole again, can excrete the deep water of side slope effectively and prevent soil erosion, reduces the harm degree of water to the slope body to the stability of side slope engineering has been guaranteed. In addition, the filter element structure plays a role in filtering soil and draining water, when the drainage is not smooth due to more soil in the filter element structure, an operator can conveniently take the filter element structure out of the structural pipe and clean the filter element structure, the filtering effect of the filter element structure is guaranteed, and the blocking phenomenon is avoided. Importantly, the standardized equipment of filter core structure adoption merogenesis can be fast replaced the part that damages or blockked up, has reduced the maintenance cost, is convenient for bury this outlet pipe underground in deep level position, and simple structure, construction convenience. In conclusion, the sectional filter element type water drain pipe and the construction method realize deep water drain, are not easy to cause water and soil loss and blockage, and are convenient to construct and maintain.
Drawings
FIG. 1 is a schematic structural view of a sectional filter element type downcomer according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a skeleton tube connected to adjacent positions by connectors according to an embodiment of the present invention;
FIG. 3 is a top view of a segmented core downcomer according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a top cover according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a cleaning structure provided in accordance with an embodiment of the present invention;
FIG. 6 is a side view of a cleaning structure provided by an embodiment of the present invention.
Reference numerals:
1-structural pipe, 11-first flower hole, 2-filter element structure, 21-blind pipe, 22-skeleton pipe, 221-third flower hole, 23-connecting piece, 24-base, 3-bottom cover, 4-top cover and 41-second flower hole; 5-cleaning structure, 51-cleaning tube, 511-fourth flower hole, 52-support, 53-pulley.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
The specific structure of the divided core type drain pipe according to the embodiment of the present invention will be described with reference to fig. 1 to 6.
As shown in fig. 1 to 4, the present embodiment provides a section filter element type water drain pipe, including structure pipe 1, filter element structure 2, bottom 3 and top cover 4, the both ends of structure pipe 1 are provided with top cover 4 and bottom 3 respectively, form between top cover 4, structure pipe 1 and the bottom 3 and hold the chamber, filter element structure 2 is the section structure and locates and hold the intracavity, is equipped with a plurality of first flower holes 11 on the structure pipe 1, is equipped with a plurality of second flower holes 41 that are used for the drainage on top cover 4.
In the above embodiment, during the structure pipe 1 inserted the side slope, put into structure pipe 1 with filter core structure 2, seal structure pipe 1 with top cap 4 again, water in the ground flows through filter core structure 2 from first flower hole 11 and flows to the external world from second flower hole 41 again, can excrete the deep water of side slope effectively and prevent soil erosion and water loss, reduces the harm degree of water to the slope body to the stability of side slope engineering has been guaranteed. In addition, the filter element structure 2 plays a role in filtering soil and draining water, when the drainage is not smooth due to the fact that the soil in the filter element structure 2 is more, an operator can conveniently take the filter element structure 2 out of the structural pipe 1 and clean the filter element structure, the filtering effect of the filter element structure 2 is guaranteed, and the blocking phenomenon is avoided. Importantly, the standardized equipment of filter core structure 2 adoption merogenesis can be fast replaced the part that damages or blockked up, has reduced the maintenance cost, is convenient for bury this outlet pipe underground in deep level position, and simple structure, construction convenience. In conclusion, the sectional filter element type water drain pipe realizes deep water drainage, is not easy to cause water and soil loss and blockage, and has high construction efficiency and convenient maintenance.
Specifically, as shown in fig. 1 to 3, the filter element structure 2 includes a plurality of blind pipes 21, framework pipes 22 and connecting pieces 23, the framework pipes 22 and the blind pipes 21 are all provided with a plurality of frames, the plurality of framework pipes 22 are coaxially arranged, the framework pipes 22 at adjacent positions are fixedly connected through the connecting pieces 23, the plurality of blind pipes 21 are sleeved on the plurality of framework pipes 22 in a one-to-one correspondence manner, the blind pipes 21 abut against the inner wall of the structural pipe 1, and the framework pipes 22 are provided with third flower holes 221.
It should be noted that the segmented filter element structure 2 includes a plurality of framework pipes 22, central axes of the framework pipes 22 are coaxially arranged, and two framework pipes 22 at adjacent positions may be fixedly connected by a connecting member 23 until all framework pipes 22 are connected into a pipe, and then the plurality of blind pipes 21 are sleeved on the plurality of framework pipes 22 in a one-to-one correspondence manner, so as to form the filter element structure 2. The blind pipe 21 has the advantages of hydrophobicity, small resistance, extremely high surface water seepage capability, extremely high internal water seepage capability, extremely high pressure resistance and extremely high deformation adaptability, long service life in rock and soil use, light weight, easiness in cutting, construction and installation convenience. In addition, the skeleton pipe 22 is provided with a third flower hole 221, so that water in rock soil can flow into the skeleton pipe 22 from the third flower hole 221 through the blind pipe 21 and finally flows out of the skeleton pipe 22 from the second flower hole 41, and the skeleton pipe 22 also plays a supporting role for the blind pipe 21.
Specifically, the connecting pieces 23 are connecting straight-through pieces which are bonded to the framework pipes 22 at adjacent positions by glue, so that the connection among the framework pipes 22 is firmer.
Specifically, the diameter of the skeleton tube 22 is one-fourth of the diameter of the structural tube 1 and not less than 20 mm.
Optionally, the blind pipe 21 is a three-dimensional mesh resin fiber sintered pipe, and the porosity of the blind pipe 21 is greater than or equal to 80%.
It can be understood that the porosity of the blind pipe 21 is more than or equal to 80%, and the seepage water in the soil is effectively collected and collected in time to be discharged; the blind pipe 21 is a three-dimensional reticular resin fiber sintering pipe, and has the advantages of low cost, good flexibility, corrosion resistance and good anti-aging effect. Of course, in other embodiments of the present invention, the blind pipe 21 may also be made of a pipe body, and the porosity of the blind pipe 21 may also be less than 80%, which is not limited herein, but only provides a better selection method.
Optionally, the wall thickness of the structural tube 1 is greater than or equal to 4 mm; the diameter range of the first flower holes 11 is 6mm-12mm, the central angle range of the distance between the adjacent first flower holes 11 along the circumferential direction is 30-60 degrees, and the distance range of the adjacent first flower holes 11 along the axial direction is 50mm-80 mm. Incidentally, the structural pipe 1 is made of a polyethylene pipe material, and the diameter thereof is selected according to the amount of water to be discharged. The above ranges are preferred embodiments, and are not limited herein, and may be selected according to the actual situation.
Optionally, as shown in fig. 1, the filter element structure 2 further includes a base 24, the base 24 is disposed on the skeleton tube 22 closest to the bottom cover 3, and the base 24 abuts on the bottom cover 3. It can be understood that the base 24 can enhance the stability and reliability of the framework tube 22, and the base 24 abuts against the base 24 to limit the position.
Optionally, the diameter of the third flower holes 221 ranges from 3mm to 9mm, the distance between adjacent third flower holes 221 in the axial direction ranges from 50mm to 80mm, the central angle of the distance between adjacent third flower holes 221 in the circumferential direction ranges from 40 ° to 90 °, and the third flower holes 221 and the first flower holes 11 are arranged in a staggered manner in the radial direction. The above ranges are preferred embodiments, and are not limited herein, and may be selected according to the actual situation. In addition, the third flower holes 221 and the first flower holes 11 are arranged in a staggered manner along the radial direction, so that the rock and soil filtering effect is further improved.
Optionally, the thickness of the top cover 4 is more than 25mm, and the top cover 4 is connected to the structural pipe 1 through screw threads; the diameter range of the second flower holes 41 is 6mm-9mm, the distance range of the second flower holes 41 at the adjacent positions is 50mm-80mm, and the distance between the outermost ends of the second flower holes 41 and the edge of the top cover 4 is less than or equal to 10 mm. The above ranges are preferred embodiments, and are not limited herein, and may be selected according to the actual situation.
The construction method of the sectional filter element type water drain pipe according to the invention is described in detail below, and comprises the following steps:
s1, adopting a pipe following process to cut holes on the side slope, and enabling the diameter of the formed holes to be larger than the peripheral diameter of the structural pipe 1;
s2, mounting the structural tube 1 in the forming hole, and pulling out the heel tube;
s3, filling asphalt reinforcement bars in gaps formed between the structural pipe 1 and the wall surfaces of the formed holes;
s4, fixedly connecting a plurality of framework pipes 22 of the filter element structure 2 through connecting pieces 23, sleeving a plurality of blind pipes 21 on the framework pipes 22 in a one-to-one correspondence manner, and placing the filter element structure 2 in the structural pipe 1;
s5, the top cover 4 is attached to the end of the structural pipe 1.
In step S1, a hole is drilled on the slope by a pipe following process, and the pipe following is cleaned, the hole forming angle is 6 ° to 10 °, and the diameter of the hole is larger than that of the structural pipe 1.
In the steps of the method, water in rock soil flows through the filter element structure 2 from the structural pipe 1 and then flows to the outside from the top cover 4, so that deep water of the side slope can be effectively drained, water and soil loss can be prevented, the damage degree of water to the slope body is reduced, and the stability of the side slope engineering is ensured. In addition, the filter element structure 2 plays a role in filtering soil and draining water, when the drainage is not smooth due to the fact that the soil in the filter element structure 2 is more, an operator can conveniently take the filter element structure 2 out of the structural pipe 1 and clean the filter element structure, the filtering effect of the filter element structure 2 is guaranteed, and the blocking phenomenon is avoided. Importantly, the standardized equipment of filter core structure 2 adoption merogenesis can be fast replaced the part that damages or blockked up, has reduced the maintenance cost, is convenient for bury this outlet pipe underground in deep level position, and simple structure, construction convenience. In conclusion, the sectional filter element type water drain pipe realizes deep water drainage, is not easy to cause water and soil loss and blockage, and has high construction efficiency and convenient maintenance.
Optionally, the construction method of the sectional filter element type water drain pipe further includes S6, opening the top cover 4, taking out the filter element structure 2, placing the cleaning structure 5 in the structural pipe 1, pouring pressurized water into the cleaning structure 5 to clean the interior of the structural pipe 1, cleaning the taken-out filter element structure 2 outside the structural pipe 1, replacing the damaged framework pipe 22 and/or blind pipe 21, installing the filter element structure 2 in the structural pipe 1 again, and installing the top cover 4 on the end of the structural pipe 1 again.
It should be noted that, after the sectional filter element type drain pipe is used for a period of time, both the inner wall of the structural pipe 1 and the filter element structure 2 have residual rock soil, which will affect the subsequent use. Because the filter core structure 2 of this embodiment can be followed and structural pipe 1 is taken out, can will remain the ground sanitization in filter core structure 2, simultaneously, the harm appears in filter core structure 2 or the part that blocks up can be replaced, guarantees filter core structure 2's filter effect, avoids appearing blocking phenomenon, has also reduced the maintenance cost, is convenient for bury this outlet pipe underground in deep level position, and simple structure, construction convenience.
Alternatively, as shown in fig. 5 and 6, the cleaning structure 5 includes a cleaning pipe 51, a plurality of brackets 52 and pulleys 53, the cleaning pipe 51 is provided with a plurality of fourth flower holes 511, the cleaning pipe 51 is provided with a plurality of brackets 52, one end of each bracket 52 far away from the cleaning pipe 51 is connected with a pulley 53, and the pulley 53 can slide along the inner wall of the structure pipe 1.
It can be understood that, when the structural pipe 1 needs to be cleaned, the cleaning pipe 51 is brought into the structural pipe 1 through the pulley 53, the cleaning in the structural pipe 1 embedded in the side slope deeply can be adapted, the pressure water is poured into the cleaning pipe 51, and the pressure water is sprayed to the inner wall of the structural pipe 1 through the fourth flower holes 511 on the cleaning pipe 51 for powerful cleaning, so that the cleaning effect is better. In addition, the bracket 52 supports the pulley 53.
Specifically, the bracket 52 and the pulley 53 are integrally formed, and the integrally formed structure is connected with the cleaning pipe 51 by welding, so that the connecting strength is high, the cleaning pipe is not easy to crack or even fall off, and the stability and the reliability are high.
Preferably, the diameter of the cleaning tube 51 is one third of the diameter of the structural tube 1, and the cleaning effect is better.
Preferably, the base 24 and the framework tube 22 are of an integrally formed structure; the bottom cover 3 and the structural tube 1 are of an integrated structure.
In the description herein, references to the description of "some embodiments," "other embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Further, it is to be understood that the terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "mounted," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. Those skilled in the art can understand the above specific meanings included in the present invention according to specific situations.
Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. The utility model provides a festival filter core formula wash-out pipe, its characterized in that, includes structural tube (1), filter core structure (2), bottom (3) and top cap (4), the both ends of structural tube (1) are provided with respectively top cap (4) with bottom (3), top cap (4) structural tube (1) with form between bottom (3) and hold the chamber, filter core structure (2) are the segmental structure and locate hold the intracavity, be equipped with a plurality of first flower holes (11) on structural tube (1), be equipped with a plurality of second flower holes (41) that are used for the drainage on top cap (4).
2. The section-divided filter element type drain pipe according to claim 1, wherein the filter element structure (2) comprises a plurality of blind pipes (21), framework pipes (22) and connecting pieces (23), the framework pipes (22) and the blind pipes (21) are provided with a plurality of frames, the plurality of framework pipes (22) are coaxially arranged, the framework pipes (22) at adjacent positions are fixedly connected through the connecting pieces (23), the plurality of blind pipes (21) are sleeved on the plurality of framework pipes (22) in a one-to-one correspondence manner, the blind pipes (21) are abutted against the inner wall of the structural pipe (1), and a plurality of third flower holes (221) are formed in the framework pipes (22).
3. The sectional filter element type drain pipe according to claim 2, wherein the blind pipe (21) is a three-dimensional network resin fiber sintered pipe, and the porosity of the blind pipe (21) is 80% or more.
4. The segmented filter element downcomer according to claim 1, wherein the wall thickness of said structural pipe (1) is 4mm or greater; the diameter range of the first flower holes (11) is 6mm-12mm, the range of the central angle of the distance between the adjacent first flower holes (11) in the circumferential direction is 30-60 degrees, and the range of the distance between the adjacent first flower holes (11) in the axial direction is 50mm-80 mm.
5. The segmented filter element drain pipe according to claim 2, wherein the filter element arrangement (2) further comprises a base (24), the base (24) being arranged on the skeleton pipe (22) closest to the bottom cover (3), the base (24) abutting on the bottom cover (3).
6. The divided filter element type drain pipe according to claim 2, wherein the third flower holes (221) have a diameter in a range of 3mm to 9mm, a pitch between adjacent third flower holes (221) in the axial direction is in a range of 50mm to 80mm, a pitch central angle between adjacent third flower holes (221) in the circumferential direction is in a range of 40 ° to 90 °, and the third flower holes (221) and the first flower holes (11) are arranged to be offset from each other in the radial direction.
7. The segmented filter element downcomer of claim 1, wherein said top cover (4) has a thickness greater than 25mm, said top cover (4) being threadably attached to said structural pipe (1); the diameter range of the second flower holes (41) is 6-9 mm, the distance range of the second flower holes (41) at adjacent positions is 50-80 mm, and the distance between the outermost end of each second flower hole (41) and the edge of the top cover (4) is smaller than or equal to 10 mm.
8. A construction method of a divided filter element type drain pipe according to any one of claims 1 to 7, comprising the steps of:
s1, adopting a pipe following process to cut holes on the side slope, and enabling the diameter of the formed holes to be larger than the peripheral diameter of the structural pipe (1);
s2, mounting the structural pipe (1) in the forming hole, and pulling out the heel pipe;
s3, filling asphalt reinforcement bars into gaps formed between the structural pipe (1) and the wall surfaces of the formed holes;
s4, fixedly connecting a plurality of framework pipes (22) of the filter element structure (2) through connecting pieces (23), sleeving a plurality of blind pipes (21) on the framework pipes (22) in a one-to-one correspondence manner, and placing the filter element structure (2) in the structure pipe (1);
s5, mounting the top cover (4) on the end of the structural pipe (1).
9. The construction method of a divided filter element type drain pipe according to claim 8, further comprising S6, opening the top cover (4), taking out the filter element structure (2), placing a cleaning structure (5) in the structure pipe (1), injecting pressurized water into the cleaning structure (5) to clean the inside of the structure pipe (1), cleaning the taken out filter element structure (2) outside the structure pipe (1), replacing a damaged skeleton pipe (22) and/or blind pipe (21), reinstalling the filter element structure (2) in the structure pipe (1), and reinstalling the top cover (4) on the end of the structure pipe (1).
10. The construction method of the sectional filter element type water drain pipe according to claim 9, wherein the cleaning structure (5) comprises a cleaning pipe (51), a plurality of brackets (52) and a pulley (53), a plurality of fourth flower holes (511) are arranged on the cleaning pipe (51), a plurality of brackets (52) are arranged on the cleaning pipe (51), one end of each bracket (52) far away from the cleaning pipe (51) is connected with the pulley (53), and the pulley (53) can slide along the inner wall of the structural pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110436772.XA CN113026717A (en) | 2021-04-22 | 2021-04-22 | Sectional filter element type water drain pipe and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110436772.XA CN113026717A (en) | 2021-04-22 | 2021-04-22 | Sectional filter element type water drain pipe and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN113026717A true CN113026717A (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110436772.XA Pending CN113026717A (en) | 2021-04-22 | 2021-04-22 | Sectional filter element type water drain pipe and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113026717A (en) |
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2021
- 2021-04-22 CN CN202110436772.XA patent/CN113026717A/en active Pending
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