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Mounting method of water taking siphonage pipelines of inland lakes

A technology of siphon pipeline and installation method, which is applied in the direction of pipeline laying and maintenance, pipe/pipe joint/pipe fitting, mechanical equipment, etc., can solve the problem that the construction method of siphon pipeline is not suitable for inland lakes, etc., and achieves easy operation and high cost savings. Cost, low cost effect

Active Publication Date: 2018-03-23
YUNNAN CONSTR & INSTALLATION JOINT STOCK +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] Aiming at the problem that the traditional siphon pipeline construction method is not suitable for inland lakes, this invention proposes a method for installing siphon pipelines for water intake in inland lakes

Method used

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  • Mounting method of water taking siphonage pipelines of inland lakes
  • Mounting method of water taking siphonage pipelines of inland lakes
  • Mounting method of water taking siphonage pipelines of inland lakes

Examples

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Embodiment 1

[0023] Embodiment 1: This embodiment is applicable to the installation of siphon pipelines for water intake in inland lakes. The specific method is: make a siphon pipeline construction work platform on a land platform, put the siphon pipeline construction work platform into the water with a crane, and perform work for the siphon pipeline construction. Set up the power system on the platform; drive the excavator to the floating platform of the conjoined structure and fix it; use the power system on the floating platform and the telescopic arm of the excavator to move the platform to the design position of the water intake head to confirm that the axis position is correct, and then fix the support Put down the support on the seabed; the excavator starts to excavate the pipe trench, and the order of excavating the pipe trench is first deep and then shallow; after the submarine pipe trench excavation is completed, move the floating platform to the shore and transfer it away from the...

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Abstract

The invention belongs to the technical field of underwater pipeline construction, and particularly relates to a mounting method of water taking siphonage pipelines of inland lakes. The mounting methodcomprises a road section construction method and an underwater section construction method, and the road section construction method is conducted according to a conventional construction method and comprises the procedures of trench excavation, pipeline pairing, pipeline welding, pipe burying, backfilling, road surface restoring, pipeline connecting, connection opening connecting, backfilling andthe like; and the underwater section construction method is composed of the procedures of trench excavation, siphonage pipeline assembling, siphonage head positioning and hoisting, underwater immersed pipe mounting, backfilling, and connection opening connecting of road section pipelines and underwater section pipelines. According to the mounting method of the water taking siphonage pipelines ofthe inland lakes, the problem of difficult over-water operating of mounting of the water taking pipelines away from an embankment is solved, the self-strength of the water taking pipelines serves as support, operation is simple and convenient, and the cost is low.

Description

technical field [0001] The invention belongs to the technical field of underwater pipeline construction, in particular to an installation method for an inland lake water intake siphon pipeline. Background technique [0002] The traditional offshore siphon pipeline construction mainly adopts the method of assembling and welding the siphon pipeline into a whole on the water and then flooding the immersed tube, or using large hoisting ships, haulage ships and other engineering ships to install the siphon pipeline while assembling and welding the pipeline while immersing the tube on the water. The former immersed tube is more risky and should not be used. The latter requires large-scale hoisting ships, haulage ships and other engineering ships. Due to the current Erhai Lake in Dali and major inland lakes in Yunnan Province (such as Dianchi Lake, Yangzong Lake, Fuxian Lake in Chengjiang, etc.) ) without large-scale hoisting ships, haulage ships and other engineering ships, and it...

Claims

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Application Information

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IPC IPC(8): F16L1/12
CPCF16L1/12
Inventor 曹云祥张明杰朱红兴普利坚连国彪江浩龚兆飞卢颖管红学刘昱鲁贵
Owner YUNNAN CONSTR & INSTALLATION JOINT STOCK
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