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A clean and environment-friendly reverse circulation piling system for construction platforms of high trestle bridges

A construction platform, clean and environmentally friendly technology, applied in sheet pile walls, infrastructure engineering, wellbore/well components, etc., can solve the serious environmental problems of high trestle bridges, save construction platform space, improve construction efficiency, and work efficiency high effect

Active Publication Date: 2020-07-14
CHINA RAILWAY 16TH BUREAU GRP ROAD & BRIDGE ENG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the deficiencies and defects of the above-mentioned prior art, the purpose of the present invention is to provide a clean and environment-friendly high trestle construction platform reverse circulation piling system, which solves the serious technical problems of environmental protection in the high trestle construction process in the prior art

Method used

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  • A clean and environment-friendly reverse circulation piling system for construction platforms of high trestle bridges
  • A clean and environment-friendly reverse circulation piling system for construction platforms of high trestle bridges
  • A clean and environment-friendly reverse circulation piling system for construction platforms of high trestle bridges

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Following the above technical solutions, this embodiment provides a drilling slag sedimentation filter box for the reverse circulation pile formation system of the high trestle construction platform, such as Figure 2 to Figure 4 As shown, it includes a closed box body 701, the top of the box body 701 is provided with a slag inlet 702, the box body 701 is provided with a vibrating filter screen 703, and the side wall of the box body 701 on the side of the vibrating filter screen 703 is provided with slag discharge In the tank 704, the box 701 under the vibrating filter screen 703 is provided with a mud diversion bucket 705. The mud diversion bucket 705 is connected to a mud separator 707 through a connecting hose 706. The mud separator 707 is installed at the bottom of the box 701. One end of the separator 707 communicates with the sludge discharge port 708 on the side wall of the box body 701, and the other end of the slurry separator 707 communicates with the slurry outl...

Embodiment 2

[0050] Following the above technical solution, this embodiment provides a drilling slag storage box for the reverse circulation pile formation system of a high trestle construction platform, such as Figure 5 with Image 6 As shown, it includes a drill slag storage tank 802 and a sludge storage tank 803 separated by a partition 801, and the drill slag storage tank 802 is located above the sludge storage tank 803;

[0051] A slag inlet pipe 804 is provided on one side of the drilling slag storage box 802 near the top, and a slag outlet 805 is provided on the other side of the drilling slag storage box 802 near the bottom;

[0052] The drilling slag storage box 802 is provided with a rotating bottom plate 806 close to the partition 801. One end of the rotating bottom plate 806 is rotatably installed at the end of the partition 801 near the slag outlet 805. The other end of the rotating bottom plate 806 is connected to the drilling slag storage box. The arc-shaped inner wall 807 of the...

Embodiment 3

[0062] Following the above technical solution, this embodiment provides a clean and environmentally friendly high-trestle bridge construction platform reverse circulation piling system, such as Figure 1 to Figure 6 As shown, it includes a main trestle bridge 1 and a branch trestle bridge 2 arranged on one side of the main trestle bridge 1. A plurality of reverse circulation pile forming units 3 are arranged on the branch trestle bridge 2;

[0063] Each reverse circulation pile-forming unit 3 includes a steel protective tube group 4, and the steel protective tube group 4 includes a plurality of steel protective tubes 5; the steel protective tube 5 passes through the first connecting pipe 6 and the slag inlet filter box 7 The port 702 is connected, the slag tap 704 on the side of the drill slag sedimentation filter box 7 is connected with the slag inlet pipe 804 of the closed slag storage tank 8, and the sludge discharge port 708 on the side of the drill slag sedimentation filter b...

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Abstract

The invention provides a clean and environmentally friendly reverse circulation pile-forming system of a high trestle construction platform. A plurality of reverse circulation pile-forming units are arranged on a branch trestle; each reverse circulation unit comprises a steel protection cylinder set, and each steel protection cylinder set comprises a plurality of steel protection cylinders; the steel protection cylinders are communicated with a slag inlet of a drilling slag precipitating filtering box through a first communicating pipe, a slag discharging groove in one side of the drilling slag precipitating filtering box is communicated with a slag inlet pipeline of a closed drilling slag storage box, and a sludge discharging port in one side of the drilling slag precipitating filtering box is communicated with a sludge inlet pipeline of the closed drilling slag storage box; a slurry outlet in the other side of the drilling slag precipitating filtering box is connected with a slurry pond through a grit catcher, and the slurry pond is communicated with the steel protection cylinders through second communicated pipes; the reverse circulation pile-forming system conveys and circulates drill slags, sludge and slurry in an enclosed pipeline in the whole slurry circulating process, and the cleanliness and environmental friendliness of a construction site are ensured.

Description

Technical field [0001] The invention belongs to the field of roads and bridges, and relates to the construction of high trestle bridges, in particular to a clean and environmentally friendly high trestle bridge construction platform reverse circulation pile forming system. Background technique [0002] In the construction of reverse circulation drilling of bored piles in underwater platforms, the traditional method is to first set up a construction trestle as a construction platform, set up drilling equipment on the trestle, and then bury the protective tube and use a gas-lift reverse circulation rig to drill. During the drilling process, the mud flows into the hole from the gap between the drill pipe and the hole wall. When the drill bit cuts and drills at the bottom of the hole, the drilling slag and mud are sucked from the drill bit through the drill pipe and discharged from the sedimentation tank together by the suction pump. After sedimentation, the mud flows into the mud ta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/38E21B21/01E21B21/06
CPCE02D5/38E21B21/01E21B21/065
Inventor 乔建岗王新亮郝学光李忠良庞拓于明邹忠良许二乐
Owner CHINA RAILWAY 16TH BUREAU GRP ROAD & BRIDGE ENG CO LTD
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