Ecological protection system suitable for pipeline in soil channel area

A technology for ecological protection and trench area, applied in application, filling, organic fertilizer, etc., can solve problems such as metal pipeline corrosion and pipeline damage, achieve the effects of reducing impact force, continuous and stable protection, and improving plant survival rate

Inactive Publication Date: 2020-11-10
国家管网集团重庆天然气管道有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the means of planting vegetation on the channel area after backfilling is usually adopted in the existing technology. Although this can play a role in ecological protection of the pipeline to a certain extent, it cannot avoid the damage caused by the vegetation itself to the pipeline. The damage mainly includes: (1) the secretions of the root system of the surface vegetation adhere to the surface of the pipeline, which has a certain corrosion effect on the metal pipeline; (2) the root system of the surface vegetation will gradually grow and penetrate at the joint of the pipeline, thereby causing damage to the pipeline

Method used

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  • Ecological protection system suitable for pipeline in soil channel area

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Effect test

Embodiment 1

[0035] An ecological protection system suitable for pipelines in soil channel areas, such as figure 1 As shown, it includes substrate layer 1, buffer layer 2, transition layer 3, root-resistance layer 4 and soil backfill layer 5 arranged in sequence from top to bottom, and pipeline 6 is buried in soil backfill layer 5; wherein, pipeline 6 adopts DN300 X-60 low alloy steel pipe, coated with anti-corrosion layer, the length is 2m.

[0036] The thickness of the matrix layer 1 is 15cm, and the tamping base is ≥0.9, which is obtained by mixing the matrix granular material with a weight ratio of 2-5:5-10 and soil evenly, and then mixing it with black locust seeds, and finally laying it; wherein, The dosage of black locust seeds is 15g / m 2The particle diameter of the matrix particle material is 2-3mm, and by weight, it includes 10 parts of citric acid with a particle diameter of 0.01-0.02mm, 10 parts of diatomite with a particle diameter of 1-2mm, and 10 parts of diatomite with a pa...

Embodiment 2

[0045] An ecological protection system suitable for pipelines in soil channel areas, such as figure 1 As shown, it includes substrate layer 1, buffer layer 2, transition layer 3, root-resistance layer 4 and soil backfill layer 5 arranged in sequence from top to bottom, and pipeline 6 is buried in soil backfill layer 5; wherein, pipeline 6 adopts DN300 X-60 low alloy steel pipe, coated with anti-corrosion layer, the length is 2m.

[0046] The thickness of the matrix layer 1 is 15cm, and the tamping base is ≥0.9, which is obtained by mixing the matrix granular material with a weight ratio of 2-5:5-10 and soil evenly, and then mixing it with black locust seeds, and finally laying it; wherein, The dosage of black locust seeds is 15g / m 2 The particle diameter of the matrix particle material is 2-3mm, and by weight, it includes 15 parts of citric acid with a particle diameter of 0.01-0.02mm, 20 parts of diatomite with a particle diameter of 1-2mm, and 20 parts of diatomite with a p...

Embodiment 3

[0055] An ecological protection system suitable for pipelines in soil channel areas, such as figure 1 As shown, it includes substrate layer 1, buffer layer 2, transition layer 3, root-resistance layer 4 and soil backfill layer 5 arranged in sequence from top to bottom, and pipeline 6 is buried in soil backfill layer 5; wherein, pipeline 6 adopts DN300 X-60 low alloy steel pipe, coated with anti-corrosion layer, the length is 2m.

[0056] The thickness of the matrix layer 1 is 15cm, and the tamping base is ≥0.9, which is obtained by mixing the matrix granular material with a weight ratio of 2-5:5-10 and soil evenly, and then mixing it with black locust seeds, and finally laying it; wherein, The dosage of black locust seeds is 12g / m 2 The particle diameter of the matrix particle material is 2-3mm, and by weight, it includes 12 parts of citric acid with a particle diameter of 0.01-0.02mm, 15 parts of diatomite with a particle diameter of 1-2mm, and 15 parts of diatomite with a p...

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Abstract

The invention relates to the technical field of pipeline protection, and discloses an ecological protection system suitable for a pipeline in a soil channel area. The ecological protection system comprises a matrix layer, a buffer layer, a transition layer, a root blocking layer and a soil backfill layer which are sequentially arranged from top to bottom, wherein a pipeline is buried in the soil backfill layer; the matrix layer comprises a matrix granular material and soil; the buffer layer comprises soil, sucrose residues, calcium bentonite, super absorbent resin and bamboo fibers; the transition layer comprises soil, trichoderma fungi residues and quartz sand; and the root blocking layer comprises water-soluble polyester emulsion, copper sulfate powder, a leucaena glauca extracting solution and glass fibers. According to the ecological protection system, the comprehensive protection function of a plant system can be utilized, the water erosion and collapse phenomena after pipeline landfill are reduced, the external impact force and the damage effect of plant root systems on the pipeline are reduced, therefore, the pipeline is continuously and stably protected under the pipe-freeprotection condition, and the survival rate of plants can be increased.

Description

technical field [0001] The invention relates to the technical field of pipeline protection, in particular to an ecological protection system suitable for pipelines in soil channel areas. Background technique [0002] Most of the long-distance natural gas pipeline projects in mountainous areas need excavation and backfilling of pipe trenches, which makes it easy to cause secondary disasters under the action of rainwater, thus endangering the safety of the pipeline and the surrounding people. The secondary disasters caused mainly include: (1) The pipe ditch after burial collapses, forming a water catchment, which causes the pipe ditch to be hollowed out, and the pipeline is exposed and damaged; (2) Under the action of rainwater, the buried pipe ditch collapses, causing the section where the pipeline passes to collapse; ( 3) Surface vegetation is destroyed, and the recovery and growth cycle is long, which will cause ecological damage, aggravate desertification or rocky desertif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/18C05G3/00C04B26/18
CPCC04B26/18C05B7/00C05G3/00E02D17/18C05D9/00C05F11/00C05F11/08C04B22/142C04B24/00C04B14/42
Inventor 王磊彭波夏敏罗志强赵志超陈福林敖波蔡强岳三琪季超
Owner 国家管网集团重庆天然气管道有限责任公司
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