A multi-layer structure inspection well and its manufacturing method
A technology for inspecting wells and shafts, applied to underwater structures, infrastructure engineering, buildings, etc., can solve problems such as disconnection, joint gaps, vertical position mismatch, etc., to achieve non-destructive, stable and sealed connections well-behaved effect
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[0018] figure 1 A perspective view of a multilayer inspection well structure according to the present invention is shown. The multi-layer inspection well is composed of a well shaft 1, a well base 2 and a well cover 5; the inspection well includes a multi-layer well shaft 1 and a well base 5, and in this embodiment, two layers of well shafts and well bases are included. Each well block 2 includes a cylindrical base, a wellbore connection port 3 and at least one pipeline interface 4 extending from the base; the wellbore connection port 3 is a double-layer circular tubular structure, including an inner wall and an outer wall; the multi-layer wellbore is The elastic structure is connected with the thermoplastic sealing of the wellbore connection. The uppermost wellbore is connected with the well cover.
[0019] figure 2 A cross-sectional view of the structure of a one-layer well block according to the present invention is shown. The outer circumference of the base is provide...
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