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In-situ layered utilization of building solid wastes and application to reduction of salt and alkali in soil

A technology for solid waste and plant waste, which is applied to the in-situ stratified utilization of building solid waste and the application field of reducing soil salinity, can solve the problems of unfavorable site ecological utilization, poor site soil nutrients, etc. Achieve the effect of being beneficial to ecological utilization, accelerating the reduction of salinity and increasing infiltration rate

Active Publication Date: 2018-07-13
SHANGHAI ACADEMY OF LANDSCAPE ARCHITECTURE SCI & PLANNING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the on-site utilization of solid waste such as construction will inevitably lead to poor soil nutrients, which is not conducive to the subsequent ecological utilization of the site, such as the construction of parks and green spaces, the construction of ecological corridors, etc.

Method used

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  • In-situ layered utilization of building solid wastes and application to reduction of salt and alkali in soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Crushing and screening of solid waste from buildings on the site:

[0036] Crush and screen the solid waste of the site and buildings according to two types of coarse solid waste and fine solid waste; sort out materials that will rot for a long time and cause volume variables to cause foundation deformation (such as residual branches, foam, etc.);

[0037] The coarse solid waste: refers to the solid waste that is formed after the demolition of buildings and floors is sorted and crushed, with a particle size of 20-30 cm;

[0038] The fine solid waste refers to the solid waste that is formed after the demolition of buildings and floors is sorted and crushed, with a particle size of 10-16 cm.

[0039] (2) Preparation of greening plant waste:

[0040] Crush the plant residues, weeds, fallen leaves and branches according to two types of coarse green plant waste and fine green plant waste;

[0041] The crude greening plant waste refers to the shrub trimmings, thinnings, lawn trimmin...

Embodiment 2

[0053] (1) Crushing and screening of solid waste from buildings on the site:

[0054] Crush and screen the solid waste of the site and buildings according to two types of coarse solid waste and fine solid waste; sort out materials that will rot for a long time and cause volume variables to cause foundation deformation (such as residual branches, foam, etc.);

[0055] The said coarse solid waste: refers to the solid waste that is formed after the demolition of buildings and floors is sorted and crushed, with a particle size of 16cm-20cm;

[0056] The fine solid waste refers to the solid waste formed after the demolition of buildings and floors is sorted and crushed, with a particle size of 10cm-16cm.

[0057] (2) Preparation of greening plant waste:

[0058] Crush the plant residues, weeds, fallen leaves and branches according to two types of coarse green plant waste and fine green plant waste;

[0059] The crude greening plant waste refers to the shrub trimmings, thinnings, lawn trimming...

Embodiment 3

[0072] (1) Crushing and screening of solid waste from buildings on the site:

[0073] Crush and screen the solid waste of the site and buildings according to two types of coarse solid waste and fine solid waste; sort out materials that will rot for a long time and cause volume variables to cause foundation deformation (such as residual branches, foam, etc.);

[0074] The said coarse solid waste: refers to solid waste with a particle size of 25-30 cm after sorting and crushing the solid waste formed after the demolition of buildings and floors;

[0075] The fine solid wastes refer to solid wastes with a particle size of 8-12 cm after sorting and crushing the solid wastes formed after the demolition of buildings and floors.

[0076] (2) Preparation of greening plant waste:

[0077] Crush the plant residues, weeds, fallen leaves and branches according to two types of coarse green plant waste and fine green plant waste;

[0078] The crude greening plant waste refers to the shrub trimmings, t...

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Abstract

The invention provides in-situ layered utilization of building solid wastes. The in-situ layered utilization of the building solid wastes comprises the following steps: two types of rough solid wastesand fine solid wastes in field building solid wastes are crushed and screened; two types of rough green plant waste and fine green plant wastes, comprising plant residues, weeds, falling leaves and battens, are crushed; foreign soil, organic and inorganic improved materials and microbial agents are added to the original field soil to form prepared soil for future use; rough solid waste layers, fine solid waste layers, rough green plant waste layers, fine solid waste layers, fine green plant waste layers and prepared soil layers are put in fields without excavated original soil from bottom layers to surface layers; and finally, planting oil layers cover for compaction in layered filling. The cost of improving engineering project field soil physical structures is reduced; the recycling andenvironmental protection effects are prominent; and soil capillary pipe holes are cut off in solid waste layers to prevent the problem of returning salt and alkali.

Description

Technical field [0001] The invention relates to a method for ecological utilization of solid waste in buildings, in particular to reduce the salinity of the soil with the solid waste and obtain economic effects. Background technique [0002] Solid wastes such as construction are one of the main sources of municipal solid waste. Engineering project sites generally retain a large amount of solid wastes such as construction that need to be treated and removed. At present, there are generally three ways to treat solid waste at home and abroad: direct removal and off-site filling Buried, used as terrain construction material and recycled as building materials after treatment. Due to the various types of solid waste such as construction, transportation inconvenience, and engineering cost control, the current urban construction waste is mainly landfilled in different places, and a large amount of solid waste treatment and transportation costs need to be invested. Necessary waste. At t...

Claims

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Application Information

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IPC IPC(8): B09B3/00B09C1/00B09C1/10
CPCB09B3/00B09C1/00B09C1/10
Inventor 张浪朱永官罗启仕郑思俊韩继刚李晓策伍海兵
Owner SHANGHAI ACADEMY OF LANDSCAPE ARCHITECTURE SCI & PLANNING
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