Underground well connector anti-seepage structure
By using a combination of rigid waterproof sleeves, asbestos cement, and rubber seals at the interface between the underground well chamber and the pipeline, the problem of leakage in the underground well chamber is solved, achieving a double seepage prevention effect, reducing the risk of leakage and environmental pollution, and the construction is simple and inexpensive.
Patent Information
- Application Number
- CN202423112859.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The interface between underground well chambers and underground pipelines is prone to leakage, especially under uneven geological conditions. This can lead to environmental pollution after leakage, and the leakage is difficult to detect and repair. Existing technologies are not effective in preventing leakage.
The system employs a combination of rigid waterproof sleeves and rubber seals. Asbestos cement is used to fill the gaps as the first line of seepage prevention, and rubber seals are used as the second line of seepage prevention. The seepage prevention performance is further enhanced by combining expansion buffer pipe sections and hemp rope sections.
It effectively prevents liquid media from leaking from underground well chambers and pipe interfaces, reducing the risk of environmental pollution. It is simple to construct and low in cost, has a wide range of applications, and has dual anti-seepage functions.
Smart Images
Figure CN223780989U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the anti -infiltration structure between underground well room and underground pipeline, specifically is a kind of underground well interface anti -infiltration structure. BACKGROUND
[0002] Petroleum, chemical engineering site, underground pipeline is more, system is complex, well room is more, and routine inspection is difficult to find leakage, when finding leakage, maintenance cost is higher.But in prior art, underground well room and underground pipeline between interface plugging measure with the lapse of time, the probability of interface leakage is higher, especially in the case where underground geological condition is not uniform, pipeline medium leaks and pollutes surrounding groundwater and environment, and it is difficult to find in routine inspection.Therefore, to ensure the safe long-term operation of underground system, it is urgent to improve the effect of anti-infiltration measure, to fundamentally reduce the probability of underground well room interface leakage, improve construction quality. UTILITY MODEL CONTENT
[0003] The utility model solves the technical problem that there is provided a kind of underground well interface anti-infiltration structure.
[0004] To solve the above technical problem, the technical scheme adopted by the utility model is as follows:
[0005] A kind of underground well interface anti-infiltration structure, comprising: underground well room and underground pipeline, underground pipeline penetrates the well wall of underground well room;
[0006] It is characterized in that, further comprising: rigid waterproof sleeve, asbestos cement and rubber sealing element;Wherein, rubber sealing element can be manufactured with different materials according to the nature of underground medium, different rubber sealing elements, such as fluorine rubber, butyl rubber, silicon rubber, etc., can be manufactured, for example, high temperature, acid, alkali resistance, etc.
[0007] The rigid waterproof sleeve is embedded in the well wall of underground well room, and the rigid waterproof sleeve penetrates the well wall of underground well room, and the rigid waterproof sleeve part extends to the outside of underground well room;
[0008] The underground pipeline passes through the lumen of rigid waterproof sleeve, and the asbestos cement fills the gap between underground pipeline and rigid waterproof sleeve;
[0009] The rubber sealing element is composed of large-diameter pipe part, variable-diameter pipe part and small-diameter pipe part connected in sequence, the large-diameter pipe part sealing sleeve is fixed outside the pipe segment of rigid waterproof sleeve located outside underground well room, and the small-diameter pipe part sealing sleeve is fixed outside the pipe segment of underground pipeline located outside underground well room.
[0010] Thus, the utility model discloses a first rigid anti-seepage measure is formed by the asbestos cement filled in the gap between the underground pipeline and the rigid waterproof sleeve, so that the liquid medium in the underground chamber cannot seep outwards from the gap between the underground pipeline and the rigid waterproof sleeve, and a second flexible anti-seepage measure is formed by the rubber sealing element, so that when the first anti-seepage measure is damaged, the liquid medium seeping out from the gap is blocked by the small-diameter pipe portion of the rubber sealing element fixed outside the underground pipeline, further ensuring that the liquid medium in the underground chamber cannot seep outwards through the interface between the underground pipeline and the underground chamber, and environmental pollution caused by seepage is avoided.
[0011] Preferably, the rubber sealing element is further provided with an outwardly convex expansion buffer pipe portion between the large-diameter pipe portion and the variable-diameter pipe portion.
[0012] Preferably, the large-diameter pipe portion is clamped by a large-diameter steel ring outside the large-diameter pipe portion, and the rubber sealing element is fixed outside the pipe section of the rigid waterproof sleeve located outside the underground chamber; and the small-diameter pipe portion is clamped by a small-diameter steel ring outside the small-diameter pipe portion, and the rubber sealing element is fixed outside the pipe section of the underground pipeline located outside the underground chamber.
[0013] Preferably, the rubber sealing element is provided with an annular boss on the inner wall of the large-diameter pipe portion and the inner wall of the small-diameter pipe portion, so as to increase the friction and sealing performance between the rubber sealing element and the underground pipeline and the rigid waterproof sleeve respectively, and ensure the reliability of the anti-seepage performance.
[0014] Preferably, the rubber sealing element is provided with a steel mesh inside the rubber sealing element, so as to increase the rigidity of the rubber sealing element.
[0015] Preferably, the underground pipeline is provided with an oil hemp rope section formed by winding an oil hemp rope, the oil hemp rope section is clamped between the underground pipeline and the rigid waterproof sleeve and embedded in the asbestos cement, and the anti-seepage performance of the first anti-seepage measure is further improved.
[0016] Preferably, the oil hemp rope section is located at the middle position of the well wall of the underground chamber.
[0017] Preferably, the outer wall of the underground pipeline is provided with a retaining ring, and the oil hemp rope section is covered outside the retaining ring, so as to prevent the oil hemp rope section from being displaced.
[0018] Preferably, the outer wall of the rigid waterproof sleeve is provided with a pre-embedded reinforcing rib, and the pre-embedded reinforcing rib is embedded in the concrete of the well wall of the underground chamber.
[0019] Preferably, the rigid waterproof sleeve is made of stainless steel.
[0020] Compared with the prior art, the utility model has the following beneficial effects:
[0021] Firstly, the asbestos cement 4 filled in the gap between the underground pipeline 2 and the rigid waterproof sleeve 3 is used as the rigid first anti-seepage measure, so that the liquid medium in the underground well chamber 1 cannot seep outwards from the gap between the underground pipeline 2 and the rigid waterproof sleeve 3, and secondly, the rubber sealing piece 5 is arranged as the flexible second anti-seepage measure, so that when the first anti-seepage measure is damaged, the liquid medium seeping out from the gap is blocked by the small-diameter pipe part 5-4 of the rubber sealing piece 5 fixed outside the underground pipeline 2, and the liquid medium in the underground well chamber 1 cannot seep outwards through the interface between the underground pipeline 2 and the underground well chamber 1, thereby avoiding environmental pollution caused by seepage.
[0022] Secondly, the utility model is applicable to any pipeline well chamber system underground, and has the advantages of low cost, simple installation and construction and wide application range.
[0023] Thirdly, when the first anti-seepage measure is damaged, the liquid medium seeping out from the gap enters the rubber sealing piece 5, and the expansion buffer pipe part 5-2 expands under the impact force of the liquid medium to realize buffering, thereby avoiding the direct impact of the liquid medium on the small-diameter pipe part 5-4 of the rubber sealing piece 5 and causing the separation of the small-diameter pipe part 5-4 and the underground pipeline 2, and the anti-seepage performance of the utility model is further improved.
[0024] Fourthly, the oil hemp rope section 8 can further improve the anti-seepage performance of the first anti-seepage measure. BRIEF DESCRIPTION OF DRAWINGS
[0025] The utility model will be further described in detail in combination with the drawings and specific embodiments:
[0026] Figure 1 It is a structure schematic view of the underground well interface anti-seepage structure of the utility model;
[0027] Figure 2 It is an enlarged structure schematic view of the underground well interface anti-seepage structure of the utility model. DETAILED DESCRIPTION
[0028] The utility model will be explained in detail below in combination with the embodiments and the drawings thereof, so as to help the skilled in the art to better understand the utility model concept of the utility model, but the protection scope of the utility model claim is not limited to the following embodiments, and all other embodiments obtained by the skilled in the art without creative labor on the premise of not departing from the utility model concept of the utility model belong to the protection scope of the utility model.
[0029] As shown in Figure 1 And Figure 2 The utility model discloses an underground well interface anti-seepage structure, which comprises an underground well chamber 1 and an underground pipeline 2, and the underground pipeline 2 penetrates the well wall of the underground well chamber 1.
[0030] Further comprising: rigid waterproof sleeve pipe 3, asbestos cement 4 and rubber sealing element 5;Wherein, rubber sealing element 5 can be manufactured by selecting different materials according to the properties of underground medium, and different rubber sealing elements 5 such as fluorine rubber, butyl rubber and silicon rubber can be manufactured, which are resistant to high temperature, acid and alkali.
[0031] The rigid waterproof sleeve pipe 3 is embedded in the well wall of the underground well chamber 1, and the rigid waterproof sleeve pipe 3 penetrates the well wall of the underground well chamber 1, and part of the rigid waterproof sleeve pipe 3 extends to the outside of the underground well chamber 1.
[0032] The underground pipeline 2 passes through the lumen of the rigid waterproof sleeve pipe 3, and the asbestos cement 4 fills the gap between the underground pipeline 2 and the rigid waterproof sleeve pipe 3.
[0033] The rubber sealing element 5 is composed of a large-diameter pipe part 5-1, a variable-diameter pipe part 5-3 and a small-diameter pipe part 5-4 connected in sequence, the large-diameter pipe part 5-1 is sealingly sleeved and fixed on the pipe segment of the rigid waterproof sleeve pipe 3 outside the underground well chamber 1, and the small-diameter pipe part 5-4 is sealingly sleeved and fixed on the pipe segment of the underground pipeline 2 outside the underground well chamber 1.
[0034] Therefore, the asbestos cement 4 filled in the gap between the underground pipeline 2 and the rigid waterproof sleeve pipe 3 serves as a rigid first anti-seepage measure, so that the liquid medium in the underground well chamber 1 cannot seep outwards from the gap between the underground pipeline 2 and the rigid waterproof sleeve pipe 3;And by providing the rubber sealing element 5 as a flexible second anti-seepage measure, when the first anti-seepage measure is damaged, the liquid medium seeping out from the aforementioned gap is blocked by the small-diameter pipe part 5-4 of the rubber sealing element 5 sealingly sleeved and fixed outside the underground pipeline 2, further ensuring that the liquid medium in the underground well chamber 1 will not seep outwards through the interface between the underground pipeline 2 and the underground well chamber 1, avoiding environmental pollution caused by seepage.
[0035] The above is the basic embodiment of the utility model, which can be further optimized, improved and limited on the basis of the basic embodiment.
[0036] Preferably, the rubber sealing element 5 is further provided with an outward convex expansion buffer pipe section 5-2 between the large diameter pipe section 5-1 and the variable diameter pipe section 5-3. Thus, when the first anti-seepage measure is damaged and the liquid medium seeping from the aforementioned gap enters the rubber sealing element 5, the expansion buffer pipe section 5-2 expands under the impact of the liquid medium to achieve buffering, avoiding the liquid medium directly impacting the small diameter pipe section 5-4 of the rubber sealing element 5 and causing the small diameter pipe section 5-4 to separate from the underground pipeline 2, further improving the anti-seepage performance of the utility model.
[0037] Preferably, the large diameter pipe section 5-1 is fixed outside the pipe section of the rigid waterproof sleeve pipe 3 located outside the underground chamber 1 by clamping a large diameter steel ring 6 outside the large diameter pipe section 5-1, and the small diameter pipe section 5-4 is fixed outside the pipe section of the underground pipeline 2 located outside the underground chamber 1 by clamping a small diameter steel ring 7 outside the small diameter pipe section 5-4.
[0038] Preferably, the rubber sealing element 5 is provided with an annular boss 5-5 on the inner wall of the large diameter pipe section 5-1 and the inner wall of the small diameter pipe section 5-4 to increase the friction and sealing performance between the rubber sealing element 5 and the underground pipeline 2 and the rigid waterproof sleeve pipe 3 respectively, ensuring the reliability of the anti-seepage performance.
[0039] Preferably, the rubber sealing element 5 is provided with a steel wire mesh inside to increase the rigidity of the rubber sealing element 5.
[0040] Preferably, the underground pipeline 2 is provided with an oil hemp rope section 8 wound by oil hemp ropes, the oil hemp rope section 8 is clamped between the underground pipeline 2 and the rigid waterproof sleeve pipe 3 and embedded in the asbestos cement 4 to further improve the anti-seepage performance of the first anti-seepage measure.
[0041] Preferably, the oil hemp rope section 8 is located at the middle position of the well wall of the underground chamber 1.
[0042] Preferably, the outer wall of the underground pipeline 2 is provided with a check ring 2-1, and the oil hemp rope section 8 is covered outside the check ring 2-1 to prevent the oil hemp rope section 8 from moving.
[0043] Preferably, the outer wall of the rigid waterproof sleeve pipe 3 is provided with a pre-embedded rib 3-1 embedded in the concrete of the well wall of the underground chamber 1.
[0044] Preferably, the rigid waterproof sleeve pipe 3 is made of stainless steel material.
[0045] The utility model is not limited to the above-mentioned specific implementation, according to the above-mentioned content, according to the ordinary technical knowledge and usual means of the art, under the premise that the above-mentioned basic technical thought of the utility model is not departed from, the utility model can also make other various forms of equivalent modification, replacement or change, all fall within the protection scope of the utility model.
Claims
1. A seepage-proof structure for underground well interfaces, comprising: The underground well chamber (1) and the underground pipe (2) penetrate the well wall of the underground well chamber (1); Its features include: a rigid waterproof sleeve (3), asbestos cement (4), and a rubber seal (5); The rigid waterproof sleeve (3) is embedded in the well wall of the underground well chamber (1), and the rigid waterproof sleeve (3) penetrates the well wall of the underground well chamber (1), with part of the rigid waterproof sleeve (3) extending to the outside of the underground well chamber (1). The underground pipe (2) passes through the cavity of the rigid waterproof sleeve (3), and the asbestos cement (4) fills the gap between the underground pipe (2) and the rigid waterproof sleeve (3); The rubber seal (5) is composed of a large-diameter pipe section (5-1), a variable-diameter pipe section (5-3), and a small-diameter pipe section (5-4) connected in sequence. The large-diameter pipe section (5-1) is sealed and fixed outside the rigid waterproof sleeve (3) located outside the underground well chamber (1). The small-diameter pipe section (5-4) is sealed and fixed outside the underground pipeline (2) located outside the underground well chamber (1).
2. The underground well interface seepage prevention structure according to claim 1, characterized in that: The rubber seal (5) also has an outwardly protruding expansion buffer tube (5-2) between the large-diameter tube section (5-1) and the variable-diameter tube section (5-3).
3. The underground well interface seepage prevention structure according to claim 1 or 2, characterized in that: The large-diameter pipe section (5-1) is sealed and fixed outside the rigid waterproof sleeve (3) located outside the underground well chamber (1) by a large-diameter steel ring (6) tightened around it; the small-diameter pipe section (5-4) is sealed and fixed outside the underground pipeline (2) located outside the underground well chamber (1) by a small-diameter steel ring (7) tightened around it.
4. The underground well interface seepage prevention structure according to claim 3, characterized in that: The rubber seal (5) has an annular boss (5-5) on the inner wall of the large-diameter pipe section (5-1) and the inner wall of the small-diameter pipe section (5-4).
5. The underground well interface seepage prevention structure according to claim 1 or 2, characterized in that: The rubber seal (5) is provided with a wire mesh.
6. The underground well interface seepage prevention structure according to claim 1 or 2, characterized in that: The underground pipeline (2) is provided with a section (8) of hemp rope made of hemp rope, which is clamped between the underground pipeline (2) and the rigid waterproof sleeve (3) and embedded in the asbestos cement (4).
7. The underground well interface seepage prevention structure according to claim 6, characterized in that: The hemp rope segment (8) is located in the middle of the well wall of the underground well chamber (1).
8. The underground well interface seepage prevention structure according to claim 6, characterized in that: The outer wall of the underground pipeline (2) is provided with a retaining ring (2-1), and the hemp rope section (8) covers the outside of the retaining ring (2-1).
9. The underground well interface seepage prevention structure according to claim 1 or 2, characterized in that: The outer wall of the rigid waterproof sleeve (3) is provided with embedded reinforcement bars (3-1), which are embedded in the concrete of the well wall of the underground well chamber (1).
10. The underground well interface seepage prevention structure according to claim 1 or 2, characterized in that: The rigid waterproof sleeve (3) is made of stainless steel.