Soil storage-enlarging capacity-enhancing agent prepared from construction garbage and preparation method thereof

A technology for construction waste, storage expansion and volume expansion, which is applied in the field of preparation of soil storage expansion and expansion agent, can solve the problems of few reports on water retention and fertilizer retention, and achieves improved comprehensive utilization efficiency, good social benefits, and improved water utilization rate. Effect

Inactive Publication Date: 2007-10-24
NORTHWEST A & F UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are not many reports on using it to improve the water and fertilizer retention of agricultural soil
[0006] 2. Current status of comprehensive utilization of foreign construction waste
The author has not seen any reports on the multi-functional comprehensive utilization technology of using urban and rural construction waste to produce soil expansion

Method used

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  • Soil storage-enlarging capacity-enhancing agent prepared from construction garbage and preparation method thereof
  • Soil storage-enlarging capacity-enhancing agent prepared from construction garbage and preparation method thereof
  • Soil storage-enlarging capacity-enhancing agent prepared from construction garbage and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0029] Example 1: The soil expansion and compatibilizer of this example consists of the following raw materials and their weight percentages: construction waste powder: 40%, potassium dihydrogen phosphate: 10%, diammonium phosphate: 20%, rape residue: 10 %, urea: 1%, high-fat film: 1%, crop mixed straw powder: 18%.

[0030] The method for making the environmentally-friendly soil expansion and compatibilizer includes the following steps:

[0031] (1) Select waste resources such as bricks, mortar, and soil as raw materials, and remove metal, wood, and plastic materials for other purposes. Classify construction waste and other raw materials, then crush and grind to below 1mm (20 mesh), grind and sieve for use.

[0032] (2) The auxiliary materials such as potassium dihydrogen phosphate, diammonium phosphate, rape residue, mixed crop straw, etc. are air-dried, crushed, ground, and passed through a 1 mm (20 mesh) sieve for use.

[0033] (3) Mix 40% of construction waste powder, 10% of p...

Example Embodiment

[0035] Example 2:

[0036] The difference between this example and Example 1 is that the ingredients of the raw materials are different, and the preparation method is the same as that of Example 1.

[0037] The composition of raw materials and their weight percentages are: construction waste powder: 35%, potassium dihydrogen phosphate: 15%, diammonium phosphate: 15%, rape residue: 15%, urea: 2%, high-fat film: 1.5%, crop mix Straw powder powder: 16.5%.

Example Embodiment

[0038] Example 3:

[0039] The difference between this example and Example 1 is that the ingredients of the raw materials are different, and the preparation method is the same as that of Example 1.

[0040] The raw materials and their weight percentages are: construction waste powder: 45%, potassium dihydrogen phosphate: 18%, diammonium phosphate: 15%, rape residue: 10%, urea: 1%, high-fat film 1%, crop mixed straw Powder: 10%.

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PUM

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Abstract

The invention discloses a soil accumulating-enlarging capacity-expanding agent and manufacturing method of building rubbish, which comprises the following parts: 35%-45% building rubbish powder, 10%-20% potassium dihydrogenphosphate, 15%-20% diammonium hydrogen phosphate, 10%-15% rape slag, 1%-3% aquacare, 1%-2% hyperlipifilm and 10%-18% composite straw powder. The making method comprises the following steps: removing metal, wood dust, plastic impurity of building rubbish; grading; maintaining waste brick slurry and mud; grinding below 1mm; sieving into 20-order; blending; stirring; graining; packing. The quantity of each hectare is 750kg-1500kg, which improves water utility by 10% in the drought and semi-drought area.

Description

technical field [0001] The invention relates to a preparation method of a soil expansion and storage compatibilizer. In particular, a soil expansion and storage compatibilizer prepared from waste resources (urban and rural construction waste) and its production method open up a new way for the comprehensive utilization of urban and rural waste resources and turning waste into treasure. Background technique [0002] 1. Current status of urban and rural construction waste in my country [0003] At present, with the progress of society and the development of urban and rural construction, the amount of construction waste in my country has accounted for 30% to 40% of the total amount of urban waste. The vast majority of construction waste is transported to the suburbs or villages by the construction unit without any treatment, and is disposed of by open-air stacking or landfill, which consumes a lot of land acquisition fees, garbage removal and other fun...

Claims

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Application Information

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IPC IPC(8): C09K17/40C09K101/00
Inventor 杜健吴普特冯浩赵西宁杜璇张燕许晓平李卓洪小强张月丽胡森李瑛
Owner NORTHWEST A & F UNIV
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