In situ stratified utilization of building solid waste and its application in reducing soil salinity

A solid waste and plant waste technology, which is applied in the field of stratified utilization of building solid waste and in reducing soil salinity, can solve the problems of unfavorable site ecological utilization and poor soil nutrients, etc. Achieve the effect of being beneficial to ecological utilization, accelerating the reduction of salinity and avoiding the problem of returning to salinity

Active Publication Date: 2020-07-31
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 stratified utilization of building solid waste and its application in reducing soil salinity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

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

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

[0038] The fine solid waste: refers to the solid waste formed after demolition of buildings and floors after sorting and crushing, with a particle size of 10-16 cm.

[0039] (2) Greening plant waste preparation:

[0040]According to two types of coarse greening plant waste and fine greening plant waste, including plant residues, weeds, fallen leaves and branches are crushed;

[0041] The rough green plant waste refers to the t...

Embodiment 2

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

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

[0055] The coarse solid waste: refers to the solid waste formed after demolition of buildings and floors, after sorting and crushing, the solid waste 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, after sorting and crushing, the solid waste with a particle size of 10cm-16cm.

[0057] (2) Greening plant waste preparation:

[0058] According to two types of coarse greening plant waste and fine greening plant waste, including plant residues, weeds, fallen leaves and branches are crushed;

[0059] The rough green plant ...

Embodiment 3

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

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

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

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

[0076] (2) Greening plant waste preparation:

[0077] According to two types of coarse greening plant waste and fine greening plant waste, including plant residues, weeds, fallen leaves and branches are crushed;

[0078] The rough green plant ...

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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 an ecological utilization method of solid waste of buildings, in particular, the solid waste is used to reduce soil salinity and obtain economic effects. Background technique [0002] Construction and other solid waste is one of the main sources of urban solid waste. Generally, there are a large amount of construction and other solid waste in the project site that needs to be treated and transported. At present, there are generally three ways for solid waste treatment at home and abroad: direct clearing and transporting off-site filling; Buried, used as terrain construction materials and recycled as building materials after treatment. Due to the influence of various types of solid waste such as construction, inconvenient transportation, and engineering cost control, urban construction waste is currently mainly landfilled in different places, which requires a large amount of solid waste treatment and transportation costs, which ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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