Multi-anti-seepage comprehensive pipe ditch

Abstract

The utility model provides a multi-seepage-proofing comprehensive pipe ditch which comprises a sewage ditch and a pipeline ditch, the sewage ditch and the pipeline ditch are integrally arranged, and the sewage ditch is located on the upper portion of the pipeline ditch. A first impermeable layer is arranged on the inner surface of the sewage ditch, a second impermeable layer is arranged on the overall outer surface of the pipeline ditch and the sewage ditch, and a third impermeable layer is arranged on the inner surface of the pipeline ditch. According to the application, the sewage ditch is located right above the pipeline ditch, and the sewage ditch and the pipeline ditch are arranged into a whole, so that the construction of the sewage ditch and the pipeline ditch can be completed only by single construction during construction, the excavation frequency of the road is reduced, the damage to the road is less, and the construction efficiency is improved. The construction cost is saved, the road blocking time is shortened, and the influence on road passing is reduced. The first impermeable layer is used for preventing sewage in the sewage ditch from eroding concrete for pouring the sewage ditch, and then preventing the sewage from seeping out of the sewage ditch; and the second impermeable layer prevents external underground water from eroding the pipeline ditch and the sewage ditch.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a multi-anti-seepage comprehensive pipe trench. Background Art

[0002] During construction projects, sewage ditches and various pipes will inevitably cross roads, which will damage the roads many times during the construction process, prolong the construction period, and cause construction waste.

[0003] For sewage ditches crossing roads, the ditch body is within the range of 0-1.0m from the road surface, and a cover ditch type is generally adopted. The top of the cover is flush with the road surface. During the driving of vehicles, the gap between the cover and the road surface causes the cover to move, generating noise and causing crushing damage to the cover. After long-term impact, the slope structure of the cover is damaged.

[0004] When pipelines cross roads and are within 1-2.0m, the roadbed and pavement are usually excavated, casing is buried, the pipeline is passed through the casing, and the pavement is constructed by backfilling and covering with soil.

[0005] The sewage ditch and the pipe ditch are arranged in a dispersed manner and pass under the road for many times, resulting in multiple excavation of the roadbed during construction, which not only seriously affects the road traffic, but also causes high construction costs due to multiple excavations and backfilling, resulting in a large waste of manpower and material resources. There are also some pipe ditches and sewage ditches in the prior art that are integrated. Pipe support members are installed on the inner wall above the sewage ditch to support the pipe so that the pipe or cable is supported on the upper part of the sewage pipe. Such an arrangement will cause sewage to rise and submerge the pipe and cable on rainy days, which is easy to corrode the pipe. Secondly, when the cable is broken, it is easy to cause safety accidents such as short circuit. The ventilation in the sewage ditch is poor, so that the pipe and cable are in a humid environment for a long time, which is easy to cause premature aging of the cable and shorten the service life of the cable.

[0006] In summary, there is an urgent need for a multi-layer anti-seepage integrated trench to solve or at least partially solve the problems existing in the prior art. Utility Model Content

[0007] The utility model aims to provide a multi-layer anti-seepage integrated trench, aiming to solve the technical problem in the prior art that pipes or cables are supported on the upper part of the sewage pipe, and sewage floods the pipes or cables and causes corrosion of the pipes:

[0008] A multi-seepage-proof integrated pipe trench comprises a pipe body, wherein the pipe body has a sewage trench and a pipe trench arranged at intervals, wherein the sewage trench and the pipe trench are extended in the longitudinal direction, and the sewage trench is located at the upper part of the pipe trench; a first anti-seepage layer is arranged on the inner surface of the sewage trench, a second anti-seepage layer is arranged on the integral outer surface of the pipe trench and the sewage trench, and a third anti-seepage layer is arranged on the inner surface of the pipe trench.

[0009] Furthermore, embedded pipes are embedded at both ends of the pipeline trench, and the embedded pipes are arranged to penetrate the pipeline trench inside and outside in a transverse direction. The embedded pipes are detachably connected with sealing pipe fittings or plugging pieces for temporarily plugging the embedded pipes.

[0010] Furthermore, the first anti-seepage layer includes a first metal layer and a first anti-rust layer, and the first anti-rust layer is located on the inner side of the first metal layer; the second anti-seepage layer includes a second metal layer and a second anti-rust layer, and the second anti-rust layer is located on the outer side of the second metal layer.

[0011] Furthermore, the pipeline trench is longer than the sewage trench, and an inspection well is provided at the extended end of the pipeline trench.

[0012] Furthermore, a water collection tank is provided at the bottom of the pipeline trench opposite to the inspection well.

[0013] Furthermore, the sealing pipe fitting includes a connecting pipe and a sealing sleeve, one end of the connecting pipe is detachably connected to the embedded pipe, the end of the connecting pipe away from the embedded pipe is in a cantilevered state, the sealing sleeve is arranged inside the end of the connecting pipe away from the embedded pipe, and the sealing sleeve is tightly connected to the inner wall of the connecting pipe.

[0014] Furthermore, the connecting pipe is a reducer pipe, and the inner diameter of the reducer pipe gradually decreases in the direction away from the embedded pipe.

[0015] Furthermore, a supporting assembly for supporting the pipe is provided in the pipe trench. The supporting assembly is arranged on the side wall of the pipe trench. The supporting assembly includes a mounting rail, a supporting block and a limiting member. The mounting rail is fixedly connected to the inner wall of the pipe trench, and the mounting rail is arranged along the width direction of the pipe trench. The supporting block is slidably connected to the mounting rail, and the limiting member is used to limit the position of the supporting block on the mounting rail.

[0016] Furthermore, a plurality of supporting components are provided on the inner side wall of the pipeline trench, and the plurality of supporting components are arranged along the length direction of the pipeline trench to form a layer, and multiple layers are distributed along the inner wall of the pipeline trench from top to bottom.

[0017] The application of the technical solution of the utility model has the following beneficial effects: during the construction of the sewage ditch and the pipeline ditch, the sewage ditch and the pipeline ditch are set as one body, both are set on the pipeline body, and the sewage ditch and the pipeline ditch are cast and formed at the same time during the on-site construction. During the construction, the sewage ditch and the pipeline ditch are constructed at one time, which reduces the number of excavations, causes less damage to the road, saves construction costs, reduces the time of blocking the road, and reduces the impact on road traffic. Secondly, the sewage ditch and the pipeline ditch are arranged independently of each other, and a first anti-seepage layer is provided in the sewage ditch, and a third anti-seepage layer is provided in the pipeline ditch to prevent sewage in the upper sewage ditch from penetrating into the pipeline ditch through the sewage ditch wall and damaging the pipelines and cables in the pipeline ditch.

[0018] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0020] Figure 1 It is a schematic diagram of the overall structure of a multi-seepage-proof integrated trench of the utility model;

[0021] Figure 2 It is a cross-sectional view of a multi-layer anti-seepage integrated trench of the utility model;

[0022] Figure 3 yes Figure 2 Magnified view at A in the middle;

[0023] Figure 4 This is a schematic diagram of the internal structure of a multi-anti-seepage integrated trench of the utility model;

[0024] Figure 5 yes Figure 4 Magnified view at B in the middle;

[0025] Figure 6 It is a schematic diagram of the overall structure of two supporting components in the utility model;

[0026] Among them, 1. pipeline body; 11. sewage ditch; 12. pipeline ditch; 121. inspection well; 122. sump; 123. embedded pipe; 124. plugging parts; 125. sealing pipe fittings; 1251. connecting pipe; 1252. sealing sleeve; 126. supporting assembly; 1261. mounting rail; 1262. supporting block; 1263. limiting parts; 2. first anti-seepage layer; 21. first metal layer; 22. first anti-rust layer; 3. second anti-seepage layer; 31. second metal layer; 32. second anti-rust layer; 4. third anti-seepage layer; 5. pipeline. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below, and preferred embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0029] Example:

[0030] See also Figure 1-Figure 6 The present embodiment provides a multi-seepage-proof integrated pipe trench, including a pipe body 1, wherein the pipe body 1 has a sewage trench 11 and a pipe trench 12 arranged apart from each other, the sewage trench 11 and the pipe trench 12 are extended in the longitudinal direction, and the sewage trench 11 is located at the upper part of the pipe trench 12; a first seepage-proof layer 2 is arranged on the inner surface of the sewage trench 11, a second seepage-proof layer 3 is arranged on the overall outer surface of the pipe trench 12 and the sewage trench 11, and a third seepage-proof layer 4 is arranged on the inner surface of the pipe trench 12.

[0031] The utility model has a multi-seepage-proof integrated pipe trench. During the construction of the sewage trench 11 and the pipeline trench 12, the sewage trench 11 and the pipeline trench 12 are integrated. The pipeline body 1 is cast during the on-site construction, and the sewage trench 11 and the pipeline trench 12 are formed on the pipeline body 1 at the same time. During the construction, the sewage trench 11 and the pipeline trench 12 are constructed at one time, which reduces the number of excavations, causes less damage to the road, saves construction costs, and reduces the time of blocking the road, reducing the impact on road traffic. Secondly, the sewage trench 11 and the pipeline trench 12 are arranged independently of each other at intervals, and a first anti-seepage layer 2 is provided in the sewage trench 11, and a third anti-seepage layer 4 is provided in the pipeline trench 12 to prevent the sewage in the upper sewage trench 11 from penetrating into the pipeline trench 12 through the wall of the sewage trench 11 and damaging the pipeline 5 and cables in the pipeline trench 12.

[0032] It can be understood that the pipe body 1 can be made in one piece, or it can be formed by connecting a pipe body with a sewage ditch 11 and a pipe body with a pipe ditch 12; in the utility model, the cross-sectional shape of the pipe body 1 can be rectangular, or it can be other shapes such as a circle, as long as the sewage ditch 11 is located at the upper part of the pipe ditch 12, the sewage ditch 11 and the pipe ditch 12 are separated from each other.

[0033] Furthermore, the interior of the sewage ditch 11 is protected by the first impermeable layer 2 to prevent the sewage in the sewage ditch 11 from eroding the concrete of the sewage ditch 11, and secondly to prevent the sewage from seeping out of the sewage ditch 11; the second impermeable layer 3 on the outside of the pipeline ditch 12 and the sewage ditch 11 prevents the external groundwater from eroding the pipeline ditch 12 and the sewage ditch 11, and on the other hand further prevents the sewage in the sewage ditch 11 from seeping out; the pipeline ditch 12 is protected by the third impermeable layer 4 to further prevent the groundwater from penetrating into the pipeline ditch 12.

[0034] Furthermore, the first anti-seepage layer 2 includes a first metal layer 21 and a first anti-rust layer 22, and the first anti-rust layer 22 is located on the inner side of the first metal layer 21, so that the metal layer is located between the inner wall surface of the sewage ditch 11 and the first anti-rust layer 22; the first metal layer 21 is made of steel material, and the structural strength of the steel material is high and it is not easy to deform when pouring concrete; the first anti-rust layer 22 is made of PVC material, and this PVC material has good bonding and anti-corrosion properties, and can be firmly bonded to the first metal layer 21, while preventing sewage leakage in the sewage ditch 11, it also plays a good protective role for the first metal layer 21; the second anti-seepage layer 3 includes a second metal layer 31 and a second anti-rust layer 32, and the second anti-rust layer 32 is located on the outer side of the second metal layer 31, so that the metal layer is located between the outer wall of the pipe body 1 and the second anti-rust layer 32. The second metal layer 31 is made of steel material, which has high structural strength and is not easy to deform when pouring concrete. The second antirust layer 32 is made of PVC material, which has good bonding and anti-corrosion properties and can be firmly bonded to the second metal layer 31, preventing sewage leakage in the sewage ditch 11 while playing a good protective role for the second metal layer 31. The third anti-seepage layer 4 is a mixed material of asphalt and cotton thread. During construction, a layer of asphalt is first brushed in the pipeline ditch 12, and cotton thread is laid, and then another layer of asphalt is brushed on the cotton thread. The cotton thread is laid in multiple layers, and the multiple layers of cotton thread are arranged crosswise. Asphalt is cheap and has good waterproof and anti-corrosion effects, with low construction costs and high cost performance. Of course, in other embodiments, the first metal layer 21 and the second metal layer 31 can also be made of other materials with higher structural strength, such as glass fiber reinforced plastics, engineering plastics and other materials with higher strength; the first antirust layer 22 and the second antirust layer 32 can also be made of other materials with anti-corrosion properties, such as paint, rubber, silicone and other materials.

[0035] Further, pre-buried pipes 123 for passing through the pipes 5 are pre-buried at both ends of the pipe trench 12. The pre-buried pipes 123 are arranged inside and outside the pipe trench 12. In this embodiment, the pre-buried pipes 123 are arranged inside and outside the pipe 5 in a transverse direction from both sides of the ends of the pipe trench 12, so that the direction of the pre-buried pipes 123 is parallel to the direction of the road. The pre-buried pipes 123 are used to pass through the pipes 5. The pipes 5 can be water supply and drainage pipes 5 or cables. When the pre-buried pipes 123 are arranged parallel to the road, it is convenient to lay the water supply and drainage pipes 5 and install the cables. In other embodiments, the pre-buried pipes 123 can also be passed through the end surface of the pipe trench 12, so that the laid pipes 5 or cables are parallel to the pipe trench 12. This arrangement makes it unnecessary for the water supply and drainage pipes 5 or cables to be bent when passing through the water supply and drainage pipes 5 or cables, so it is relatively easy to install.

[0036] The pre-buried pipe 123 is detachably connected with a plugging piece 124 for temporarily plugging the pre-buried pipe 123 or a sealing pipe 125 for the gap between the pipe 5 and the pre-buried pipe 123. The outer diameter of the water supply and drainage pipe 5 or the cable to be installed in the pre-buried pipe 123 is not necessarily the same as the inner diameter of the pre-buried pipe 123, so there will be a gap between the pre-buried pipe 123 and the water supply and drainage pipe 5 or between the pre-buried pipe 123 and the cable, and the existence of this gap is likely to cause groundwater to penetrate into the pipe trench 12 through the gap, resulting in water accumulation in the pipe trench 12. The sealing pipe 125 is arranged inside the pre-buried pipe 123, so that the sealing pipe 125 and the pipe 5 are closely matched, or the sealing pipe 125 and the cable are closely matched, which can effectively play a waterproof role. Of course, there are multiple numbers of embedded pipes 123, for example, three are arranged on each side. When some embedded pipes 123 are not installed with water supply and drainage pipes 5 or cables, the embedded pipes 123 need to be closed. In this embodiment, the plugging member 124 is used to close the pipe openings of these embedded pipes 123 that are not installed with water supply and drainage pipes 5 or cables. The plugging member 124 is a cover with threads, and the threads can be external threads or internal threads. When the threads on the embedded pipe 123 are external threads, the threads on the cover are external threads. When the threads on the embedded pipe 123 are internal threads, the threads on the cover are external threads. The cover is fixed to the pipe opening of the embedded pipe 123 by threaded connection to prevent groundwater from entering the pipeline trench 12 through the pipe opening of the embedded pipe 123. In other embodiments, the sealing member 124 can also be an ordinary truncated cone shaped wooden plug. When in use, the end with a smaller diameter of the truncated cone is inserted into the pipe mouth of the embedded pipe 123 so that the plug and the pipe mouth of the embedded pipe 123 fit tightly together to prevent groundwater from entering the pipeline trench 12.

[0037] Further, the sealing pipe 125 includes a connecting pipe 1251 and a sealing sleeve 1252, one end of the connecting pipe 1251 is detachably connected to the embedded pipe 123 through a thread, the end of the connecting pipe 1251 away from the embedded pipe 123 is in a cantilevered state, the sealing sleeve 1252 is made of a silicone material, and the sealing sleeve 1252 is arranged on the inner side of the end of the connecting pipe 1251 away from the embedded pipe 123, so that the inner wall of the sealing sleeve 1252 is closely matched with the outer wall of the pipe 5. In other embodiments, the sealing sleeve 1252 can also be made of soft materials such as rubber and sponge, and the sealing sleeve 1252 is fixed in the sealing sleeve 1252 by bonding, and of course, it can also be fixed in the sealing sleeve 1252 by matching the groove and the protrusion.

[0038] Furthermore, the connecting pipe 1251 is a reducer, and the inner diameter of the reducer gradually decreases in the direction away from the embedded pipe 123. Because the size of the embedded pipe 123 is fixed when it is embedded, it is not convenient to replace it later. Therefore, when selecting the embedded pipe 123, a larger diameter embedded pipe 123 is selected. For example, when designing, the maximum outer diameter of the water supply and drainage pipe 5 in the pipeline trench 12 is 200 mm, then the inner diameter of the embedded pipe 123 should be set to 205 mm. The inner diameter of the embedded pipe 123 needs to be slightly larger than the outer diameter of the largest water supply and drainage pipe 5 to facilitate the movement of the water supply and drainage pipe 5 in the embedded pipe 123. In the later construction process, when the pipe 5 inserted in the embedded pipe 123 is small, a reducer is used to change the diameter and reduce the pipe opening to facilitate the sealing connection between the connecting pipe 1251 and the pipe 5. According to the actual outer diameter of the pipe 5, a matching reducer is selected.

[0039] Furthermore, the pipeline trench 12 is longer than the sewage trench 11, and an inspection well 121 is provided at the extended end of the pipeline trench 12. The inspection well 121 is provided at the upper part of the pipeline trench 12, and the inspection well 121 extends upward to the ground, so that maintenance personnel can enter the well to inspect the water supply and drainage pipes 5 or cables. If the pipeline trench 12 is small and maintenance personnel cannot enter, the maintenance personnel use maintenance tools to inspect the water supply and drainage pipes 5 or cables inside the pipeline trench 12 through the inspection well 121. The wellhead of the inspection well 121 is higher than the ground, and the upper part of the inspection well 121 is covered with a well cover to prevent surface water from entering the pipeline trench 12 through the wellhead of the inspection well 121. Specifically, the wellhead of the inspection well 121 is about ten to twenty centimeters above the ground.

[0040] Furthermore, a water collecting trough 122 is provided at the bottom of the pipe trench 12 opposite to the inspection well 121. The water collecting trough 122 is a circular trough. Of course, the water collecting trough 122 can also be a square trough or other special-shaped troughs, as long as the water at the bottom of the pipe trench 12 can be collected in the water collecting trough 122, after water enters the pipe trench 12, the water in the pipe trench 12 will flow to the water collecting troughs 122 at both ends of the pipe trench 12 under the action of gravity. By providing a micro water pump in the water collecting trough 122, the water in the water collecting trough 122 is pumped out to the ground to keep the inside of the pipe trench 12 dry.

[0041] Furthermore, a supporting assembly 126 for supporting the pipe 5 is provided in the pipe trench 12. The supporting assembly 126 is provided on the side wall inside the pipe 5. The supporting assembly 126 includes a mounting rail 1261, a supporting block 1262 and a limiting member 1263. The mounting rail 1261 is fixedly connected to the inner wall of the pipe 5, and the mounting rail 1261 is horizontally arranged. The supporting block 1262 is slidably connected to the mounting rail 1261, and the limiting member 1263 is used to limit the position of the supporting block 1262 on the mounting rail 1261. In this embodiment, the limiting member 1263 is a limiting pin, and corresponding through holes are provided on the support block and the mounting rail 1261. During installation, the support block is slidably connected to the mounting rail 1261, and the through holes on the support block are aligned with the through holes on the mounting rail 1261. The limiting pin is inserted for limiting, so that the support block is fixed on the mounting rail 1261. The support block supports the pipe 5 to prevent the pipe 5 from being suspended in the air. When the pipe 5 is suspended in the air, it is easy to be deformed or even broken under the action of gravity.

[0042] Furthermore, a plurality of support assemblies 126 are arranged on the inner side wall of the pipeline trench 12, and the plurality of support assemblies 126 are arranged along the length direction of the pipeline trench 12 to form a layer, and the support assemblies 126 on the same side of the pipeline trench 12 are used to support a pipeline 5. The support blocks 1262 have a variety of specifications, and the thickness of the support blocks 1262 of different specifications is different, so as to facilitate adjustment according to the pipeline 5 to be supported. When the outer diameter of the pipeline 5 is large, a thinner support block 1262 is used for support to leave more space for the pipeline 5. When the diameter of the pipeline 5 is small, a thicker support block 1262 is used for support so that the support block 1262 can support the pipeline 5. The specifications of the support blocks 1262 in the support assemblies 126 of the same layer are the same, so that each support block can support the pipeline 5; the specifications of the support blocks 1262 in different layers can be different to adapt to the diameters of different pipelines 5. Multiple layers are distributed along the inner wall of the pipeline trench 12 from top to bottom to support multiple pipelines 5 .

[0043] The working principle of the technical solution of the utility model is: during the construction, the sewage ditch 11 and the pipeline ditch 12 are constructed at the same time, and the sewage ditch 11 is located above the pipeline ditch 12. Therefore, the sewage ditch 11 can be directly connected to the drainage ditches on both sides of the road, which is convenient for guiding sewage from one side of the road to the other side of the road. The sewage ditch 11 is separated from the pipeline ditch 12, and the water supply and drainage pipes 5 or cables installed in the pipeline ditch 12 will not contact the sewage, which prevents the sewage from corroding the water supply and drainage pipes 5 or cables, and improves the service life of the water supply and drainage pipes 5 and cables. Secondly, the sewage ditch 11 is treated with an anti-seepage treatment by the first anti-seepage layer 2 to prevent sewage leakage, and the sewage ditch 11 and the pipeline ditch 12 are treated with an anti-seepage treatment by the second anti-seepage layer 3 to further prevent sewage leakage, and also prevent groundwater from penetrating into the pipeline ditch 12. The pipeline trench 12 is arranged below the sewage trench 11. During the laying of the pipeline trench 12, a plurality of pre-buried pipes 123 are arranged. When it is necessary to pass pipes 5 through these pre-buried pipes 123, such as water supply and drainage pipes 5 or cables, the sealing cover at the upper end of the pre-buried pipe 123 needs to be removed, and a suitable connecting pipe 1251 is selected according to the size of the pipe 5, and the connecting pipe 1251 is sleeved on the pipe 5, and the connecting pipe 1251 is rotatably installed on the end of the pre-buried pipe 123 to achieve the purpose of waterproofing. The thickness specification of the lining block inside the pipeline trench 12 also needs to be selected according to the size of the pipe 5, so that the lining block can support the pipe 5, and the lining block and the mounting rail 1261 are limited by using the limiter 1263.

[0044] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A multi-layer anti-seepage integrated trench, characterized in that: The invention comprises a pipeline body (1), wherein the pipeline body (1) has a sewage ditch (11) and a pipeline ditch (12) arranged at intervals, wherein the sewage ditch (11) and the pipeline ditch (12) are arranged to extend in the longitudinal direction, and the sewage ditch (11) is located above the pipeline ditch (12); The inner surface of the sewage ditch (11) is provided with a first anti-seepage layer (2), the integral outer surface of the pipeline ditch (12) and the sewage ditch (11) is provided with a second anti-seepage layer (3), and the inner surface of the pipeline ditch (12) is provided with a third anti-seepage layer (4).

2. The multi-layer anti-seepage integrated trench according to claim 1, characterized in that: Pre-buried pipes (123) are pre-buried at both ends of the pipeline trench (12). The pre-buried pipes (123) are arranged to penetrate the pipeline trench (12) in a transverse direction and inside and outside. The pre-buried pipes (123) are detachably connected with sealing pipe fittings (125) or plugging pieces (124) for temporarily plugging the pre-buried pipes (123).

3. The multi-layer anti-seepage integrated trench according to claim 1, characterized in that: The first anti-seepage layer (2) comprises a first metal layer (21) and a first anti-rust layer (22), wherein the first anti-rust layer (22) is located on the inner side of the first metal layer (21); The second anti-seepage layer (3) comprises a second metal layer (31) and a second anti-rust layer (32), wherein the second anti-rust layer (32) is located outside the second metal layer (31).

4. The multi-layer anti-seepage integrated trench according to claim 1, characterized in that: The pipeline ditch (12) is longer than the sewage ditch (11), and an inspection well (121) is provided at the extended end of the pipeline ditch (12).

5. The multi-layer anti-seepage integrated trench according to claim 4, characterized in that: A water collecting tank (122) is provided at the bottom of the pipeline trench (12) opposite to the inspection well (121).

6. The multi-layer anti-seepage integrated trench according to claim 2, characterized in that: The sealing pipe member (125) comprises a connecting pipe (1251) and a sealing sleeve (1252); one end of the connecting pipe (1251) is detachably connected to the embedded pipe (123); the end of the connecting pipe (1251) away from the embedded pipe (123) is in a cantilevered state; the sealing sleeve (1252) is arranged inside the end of the connecting pipe (1251) away from the embedded pipe (123), and the sealing sleeve (1252) is tightly connected to the inner wall of the connecting pipe (1251).

7. The multi-layer anti-seepage integrated trench according to claim 6, characterized in that: The connecting pipe (1251) is a reducer, and the inner diameter of the reducer gradually decreases in the direction away from the embedded pipe (123).

8. A multi-seepage-proof integrated trench according to any one of claims 1 to 7, characterized in that: A supporting assembly (126) for supporting the pipe (5) is provided in the pipe trench (12); the supporting assembly (126) is provided on a side wall in the pipe trench (12); the supporting assembly (126) comprises a mounting rail (1261), a supporting block (1262) and a limiting member (1263); the mounting rail (1261) is fixedly connected to the inner wall of the pipe trench (12), and the mounting rail (1261) is arranged along the width direction of the pipe trench (12); the supporting block (1262) is slidably connected to the mounting rail (1261); and the limiting member (1263) is used to limit the position of the supporting block (1262) on the mounting rail (1261).

9. The multi-layer anti-seepage integrated trench according to claim 8, characterized in that: A plurality of supporting components (126) are arranged on the inner side wall of the pipeline groove (12), and the plurality of supporting components (126) are arranged along the length direction of the pipeline groove (12) to form a layer, and multiple layers are distributed along the inner wall of the pipeline groove (12) from top to bottom.

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