Closed inspection well of sewage interception system of flood drainage channel

Abstract

The utility model discloses a closed inspection well of a sewage interception system of a flood drainage channel, which comprises a well body arranged below the bottom of the flood drainage channel, a launder is arranged on the inner wall of the bottom of the well body, pipelines are arranged at two ends of the launder, two ends of each pipeline extend out of the well body, pipeline holes are arranged on two sides of the well body, and the pipeline holes are communicated with the launder. A waterproof sleeve is mounted in the pipeline hole, and a flexible material is filled between the waterproof sleeve and the pipeline; a well seat mounting groove is formed in the top of the well body, a well seat is mounted in the well seat mounting groove, and a well cover is mounted on the well seat. The closed inspection well is arranged below the bottom of the flood drainage channel, and the closed sewage inspection well which is good in leakproofness, simple in structure, safe, reliable and convenient to maintain is constructed by adopting key measures such as the reinforced concrete well body, the waterproof sleeve and the novel closed well lid.

Description

Technical Field

[0001] The utility model relates to the technical field of inspection wells, in particular to a closed inspection well of a flood drainage channel sewage interception system. Background Art

[0002] With the rapid economic growth and the continuous advancement of urbanization in my country, water pollution is becoming increasingly serious, and water environment governance has become one of the important areas of urban construction and environmental protection. In water environment governance, the transformation of the sewage interception system of the flood drainage channel is a key task, and it is also the focus and difficulty in engineering design, and it has received more and more attention and concern. Due to the shortage of land on both sides of the flood drainage channel, it is often necessary to set up a sewage interception main pipe in the channel, which requires the installation of a closed inspection well on the sewage interception pipeline. The existing sewage closed inspection wells generally have the following problems:

[0003] 1. The inspection well body or part of the well shaft is located above the bottom of the channel, affecting the flood discharge and landscape of the flood drainage channel.

[0004] 2. Poor sealing performance, prone to leakage and seepage.

[0005] 3. Poor pressure bearing performance, which can easily cause damage to the manhole cover under the action of internal and external pressure.

[0006] 4. The manhole cover material is not durable and is prone to wear and aging.

[0007] 5. Most of the closed manhole covers are non-standard custom parts, which makes it difficult to purchase and replace them later. Utility Model Content

[0008] The utility model aims to provide a closed inspection well of a flood drainage channel sewage interception system to solve the problems raised in the above-mentioned background technology.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a closed inspection well of a flood drainage channel sewage interception system, comprising a well body arranged below the bottom of the flood drainage channel, a flow groove arranged on the inner wall of the bottom of the well body, a pipe installed on the flow groove, and both ends of the pipe extend out of the well body, pipe holes are opened on both sides of the well body, a waterproof sleeve is installed in the pipe hole, and the waterproof sleeve is sleeved on the pipe;

[0010] A well seat installation groove is provided on the top of the well body, a well seat is installed in the well seat installation groove, and a well cover is installed on the well seat.

[0011] Preferably, a cushion layer is provided at the bottom of the well body, and the cushion layer is cast with C15 concrete and plastered with M10 waterproof cement mortar.

[0012] Preferably, a plurality of steps are installed on the inner wall of the well body.

[0013] Preferably, bolts are pre-embedded on the well body, and the well seat is mounted on the bolts and fixed by nuts.

[0014] Preferably, the manhole cover is fixedly mounted on the manhole seat by casting bolts.

[0015] Preferably, a well seat groove is provided at the top of the well seat, a well cover convex groove is provided at the bottom of the well cover, and the well cover convex groove is installed in the well seat groove.

[0016] Preferably, a sealing rubber ring is provided in the groove of the well seat, and the sealing rubber ring is matched with the convex groove of the well cover.

[0017] Preferably, the well body is a reinforced concrete well body.

[0018] Preferably, a flexible filling material is filled between the waterproof sleeve and the pipeline.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The enclosed inspection well is set below the bottom of the flood drainage channel and does not affect the flood flow and water landscape of the flood drainage channel.

[0021] 2. Good sealing performance, effectively preventing sewage overflow and leakage, and also preventing external rainwater from entering.

[0022] 3. It can withstand the internal and external water pressure of the flood drainage channel sewage interception system, with high reliability and safety, and avoid safety accidents caused by the manhole cover being hit and lost.

[0023] 4. The closed inspection well has a simple structure, is strong and durable, and has excellent corrosion and erosion resistance.

[0024] 5. The closed manhole cover used has a high degree of convertibility with the ductile iron manhole cover standard parts, which is convenient for mold production and promotion and application, has strong applicability, and is convenient for later maintenance and management. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is the plan view of the enclosed inspection well of the utility model;

[0026] Figure 2 This is the AA section view of the enclosed inspection well of the utility model;

[0027] Figure 3 This is the BB section view of the enclosed inspection well of the utility model;

[0028] Figure 4 This is a plan view of the enclosed manhole cover of the utility model;

[0029] Figure 5 This is the CC section installation drawing of the closed manhole cover of the utility model.

[0030] In the figure: well body 1, cushion layer 2, flow channel 3, waterproof casing 4, step 5, well cover 6, well seat 7, bolts 8, nuts 9, sealing rubber ring 10, casting bolts 11, well cover convex groove 12, well seat groove 13. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-5 The utility model provides a technical solution: a closed inspection well of a flood drainage channel sewage interception system, comprising a well body 1 arranged below the bottom of the flood drainage channel, a flow groove 3 is arranged on the bottom inner wall of the well body 1, a pipeline is installed on the flow groove 3, and both ends of the pipeline are extended to the outside of the well body 1, pipeline holes are opened on both sides of the well body 1, a waterproof sleeve 4 is installed in the pipeline hole, and the waterproof sleeve 4 is sleeved on the pipeline;

[0033] A well seat installation groove is provided at the top of the well body 1 , and a well seat 7 is installed in the well seat installation groove, and a well cover 6 is installed on the well seat 7 .

[0034] In the utility model, a cushion layer 2 is arranged at the bottom of the well body 1, and the cushion layer 2 is cast by C15 concrete and plastered by M10 waterproof cement mortar.

[0035] In the utility model, a plurality of steps 5 are installed on the inner wall of the well body 1 .

[0036] In the utility model, bolts 8 are pre-buried on the well body 1 , and the well seat 7 is installed on the bolts 8 and fixed by nuts 9 .

[0037] In the utility model, the manhole cover 6 is fixedly mounted on the manhole seat 7 by means of casting bolts 11 .

[0038] In the present invention, a well seat groove 13 is provided at the top of the well seat 7 , a well cover convex groove 12 is provided at the bottom of the well cover 6 , and the well cover convex groove 12 is installed in the well seat groove 13 .

[0039] In the present invention, a sealing rubber ring 10 is arranged in the groove 13 of the well seat, and the sealing rubber ring 10 is matched with the convex groove 12 of the well cover.

[0040] In the utility model, the well body 1 is a reinforced concrete well body.

[0041] In the utility model, the space between the waterproof sleeve 4 and the pipeline is filled with flexible filling material.

[0042] The utility model: excavates a foundation pit at the bottom of the flood discharge channel, paves the bottom cushion of the inspection well with C15 concrete, and then casts the reinforced concrete well body; arranges a rigid waterproof casing at the connection between the well body and the pipeline, and adopts flexible filling materials at the contact part between the waterproof casing and the pipeline to prevent water leakage and water seepage; after the well body construction is completed, casts the inspection well flow channel with C15 concrete, and plasters the surface with M10 waterproof cement mortar; installs plastic stainless steel steps along the well wall below the well mouth of the inspection well; installs a new type of closed well cover at the well mouth of the inspection well, and the implementation method is as follows: adopts a direct-supported ductile iron well cover and well seat with a bearing capacity grade of D400; the well seat is fixed above the well mouth of the well body with 12×M16 stainless steel bolts and nuts; a groove is arranged in the well ring of the well seat, and a rubber sealing ring is built in, which is tightly engaged with the convex groove of the well cover; 6 M16 casting bolts are arranged at the contact part between the well cover and the well seat, and the well cover and the well seat are tightly fixed by bolts.

[0043] The utility model discloses a closed inspection well which is arranged below the bottom of a flood discharge channel, and by adopting key measures such as setting a reinforced concrete well body, a waterproof casing and a new closed well cover, a sewage closed inspection well with good sealing performance, simple structure, safety and reliability, and convenient management and maintenance is constructed.

[0044] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the embodiments of the utility model have been shown and described, it is understandable to those of ordinary skill in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A closed inspection well of a flood drainage channel sewage interception system, comprising a well body (1) arranged below the bottom of the flood drainage channel, characterized in that: A flow groove (3) is provided on the inner wall of the bottom of the well body (1), a pipeline is installed on the flow groove (3), and both ends of the pipeline extend outside the well body (1), and pipeline holes are opened on both sides of the well body (1), and waterproof sleeves (4) are installed in the pipeline holes, and the waterproof sleeves (4) are sleeved on the pipeline; A well seat installation groove is provided on the top of the well body (1), a well seat (7) is installed in the well seat installation groove, and a well cover (6) is installed on the well seat (7).

2. The closed inspection well of the flood drainage channel sewage interception system according to claim 1 is characterized by: A cushion layer (2) is provided at the bottom of the well body (1), and the cushion layer (2) is cast with C15 concrete and plastered with M10 waterproof cement mortar.

3. The closed inspection well of the flood drainage channel sewage interception system according to claim 1 is characterized by: A plurality of steps (5) are installed on the inner wall of the well body (1).

4. The closed inspection well of the flood drainage channel sewage interception system according to claim 1 is characterized by: Bolts (8) are pre-buried on the well body (1), and the well seat (7) is mounted on the bolts (8) and fixed by nuts (9).

5. The closed inspection well of the flood drainage channel sewage interception system according to claim 1, characterized in that: The manhole cover (6) is fixedly mounted on the manhole seat (7) by means of casting bolts (11).

6. The closed inspection well of the flood drainage channel sewage interception system according to claim 1, characterized in that: The top of the well seat (7) is provided with a well seat groove (13), the bottom of the well cover (6) is provided with a well cover convex groove (12), and the well cover convex groove (12) is installed in the well seat groove (13).

7. The closed inspection well of the flood drainage channel sewage interception system according to claim 6, characterized in that: A sealing rubber ring (10) is arranged in the well seat groove (13), and the sealing rubber ring (10) is matched with the well cover convex groove (12).

8. The closed inspection well of the flood drainage channel sewage interception system according to claim 1, characterized in that: The well body (1) is a reinforced concrete well body.

9. The closed inspection well of the flood drainage channel sewage interception system according to claim 1, characterized in that: A flexible filling material is filled between the waterproof sleeve (4) and the pipeline.

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