Inhaul cable embedded pipe dehumidification system

A pre-buried pipe and wet technology, applied in the field of bridge engineering, can solve problems such as cable corrosion, achieve the effects of prolonging service life, wide application, and increasing safety

Pending Publication Date: 2022-04-29
刘成璿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a cable pre-buried pipe dehumidification system, which can solve the corrosion pro

Method used

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  • Inhaul cable embedded pipe dehumidification system
  • Inhaul cable embedded pipe dehumidification system
  • Inhaul cable embedded pipe dehumidification system

Examples

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Example Embodiment

[0033] Example 1

[0034] A cable pre-embedding tube dehumidification system that includes:

[0035] Dehumidification equipment 1 converts moist air into dry air, so that the relative humidity is kept below the value of anti-corrosion requirements to meet the anti-corrosion requirements.

[0036] Ventilation pipe 2, connected between the cable burial tube 6, the moist air in the cable buried pipe 6 is transported to the dehumidifier 1, and the dry air after treatment is transported to the cable buried pipe 6. Ventilation duct 2 includes a dry air main pipe 21, a humid air main pipe 22, a dry air branch 23 and a humid air branch 24. One end of the branch pipe is connected to the main pipe and the other end is connected to the cable burial pipe 6, and each cable embedded pipe 6 is connected in series or parallel to the main pipe.

[0037]Multiple rainproof sealing cover 3, including cable fixing rib 34, cable embedded tube fixed rib 35, umbrella rain cover 31, sealing cover 32, the...

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Abstract

The invention relates to the technical field of bridge engineering, in particular to an inhaul cable embedded pipe dehumidification system which comprises an inhaul cable embedded pipe, an inhaul cable, dehumidification equipment, a ventilation pipeline and a multiple rainproof sealing cover. The dehumidification equipment is used for converting wet air into dry air, so that the relative humidity is kept below a value required by corrosion prevention; the ventilation pipeline is used for mutually connecting the inhaul cable embedded pipes, conveying moist air in the inhaul cable embedded pipes to the dehumidification equipment and conveying treated dry air back into the inhaul cable embedded pipes; the multi-rain-proof sealing cover is arranged between the inhaul cable embedded pipe and the inhaul cable and used for preventing rainwater from entering the inhaul cable embedded pipe, and the sealing effect is achieved. The relative humidity of air in the inhaul cable embedded pipe is maintained below the limit value required by corrosion prevention through dehumidification operation, water accumulation in the inhaul cable embedded pipe is avoided, and therefore the corrosion prevention performance of the inhaul cable in the inhaul cable embedded pipe is improved, the service life of the inhaul cable is greatly prolonged, and the safety of a bridge is improved.

Description

technical field [0001] The invention relates to the technical field of bridge engineering, in particular to a cable pre-buried pipe dehumidification system. Background technique [0002] my country has built a large number of bridges with cable-supported structures, such as cable-stayed bridges, suspension bridges, and tied arch bridges. The cable-stayed cables and suspenders used in them all need to be connected with the main girder, tower or arch. Cable pre-buried pipe. During the use of the cables or booms of many bridges, corrosion and damage have occurred at the anchorage positions of the cables in the cable pre-buried pipes, which reduces the service life of the cables or booms. The collapse accident affected the safety of the bridge. [0003] One of the main reasons for the corrosion of the cables or suspenders is the accumulation of water in the embedded pipes of the cables or excessive air humidity. Moisture mainly comes from several aspects: [0004] 1. The oute...

Claims

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Application Information

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IPC IPC(8): E01D19/00E01D19/16B01D53/26
CPCE01D19/00E01D19/16B01D53/26
Inventor 刘成璿
Owner 刘成璿
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