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Plant growing matrix prepared by construction wastes

A technology for construction waste and plant growth, applied in the direction of application, fertilizer mixture, fertilization device, etc., can solve the problems of large land and garbage removal costs, consumption, environmental pollution, etc., to save garbage removal costs and land consumption , Reduce the effect of secondary pollution

Active Publication Date: 2013-04-03
青岛冠中生态股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a plant growth substrate prepared from construction waste to solve the problem that the processing of construction waste in the prior art not only consumes a large amount of land and garbage removal costs, but also landfills will block the soil biological chain and cause serious environmental pollution. Problems that pose a permanent hazard

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] [Example 1] Based on the configuration of 1m3 nutrient soil:

[0030] (1) The raw material is discarded bricks, and its chemical indicators are: PH=7.56, conductivity=635us / cm.

[0031] (2) The specific ratio of the program is as follows:

[0032] Brick powder 0.32m3, decomposed peanut shell 0.305m3, decomposed rice husk 0.155m3, composite fiber 0.11m3, bentonite 0.11m3, aggregate agent solution 140L, soil stabilizer 8.5L, ammonium sulfate 0.25kg, potassium sulfate 0.375kg, superphosphate 1.24kg.

[0033] (3) Its plant growth and nutrient soil indicators (the state of plant growth for about 50 days) are as follows:

[0034] Nutrient soil indicators: PH=6.99, conductivity=1966us / cm;

[0035] Plant indicators: the average plant height is 20cm, and the number of seedlings per unit area is about 200.

Embodiment 2

[0036] [Example two] based on the nutrient soil of configuration 1m3:

[0037] (1) The raw material is waste rock, its chemical index is PH=7.36, electrical conductivity=89.8us / cm;

[0038] (2) The specific ratio of the program is as follows:

[0039] Stone powder slag 0.31m3, decomposed peanut shell 0.331m3, decomposed rice husk 0.119m3, composite fiber 0.11m3, bentonite 0.13m3, aggregate agent solution 180L, soil stabilizer 8.5L, ammonium sulfate 0.375kg, potassium sulfate 0.54kg, superphosphate 1.69kg.

[0040] (3) Its plant growth and nutrient soil indicators (the state of plant growth for about 50 days) are as follows:

[0041] Nutrient soil indicators: PH=6.86, conductivity=1170us / cm;

[0042] Plant indicators: the average plant height is 23.3cm, and the number of seedlings per unit area is about 180.

Embodiment 3

[0043] [Example three] based on the nutrient soil of configuration 1m3:

[0044] (1) The raw material is waste concrete slag, its chemical index is PH=8.815, electrical conductivity=340us / cm.

[0045] (2) The specific ratio of the program is as follows:

[0046] Concrete powder slag 0.315m3, decomposed peanut shell 0.337m3, decomposed rice husk 0.118m3, composite fiber 0.11m3, bentonite 0.13m3, aggregate agent solution 180L, soil stabilizer 8.5L, ammonium sulfate 0.337kg, potassium sulfate 0.51kg, superphosphoric acid Calcium 1.46kg, sulfur 1.11kg.

[0047] (3) Its plant growth and nutrient soil indicators (the state of plant growth for about 50 days) are as follows:

[0048]Nutrient soil indicators: PH=8.15, conductivity=1634us / cm;

[0049] Plant indicators: the average plant height is 16cm, and the number of seedlings per unit area is about 150.

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PUM

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Abstract

A plant growing matrix prepared by construction wastes is characterized by comprising bricks, stones or concrete blocks in the construction wastes, bentonite, organic matters, composite fiber, a soil stabilizer, an aggregating agent, a fertilizer and an acidic substance, wherein the acidic substance comprises sulfur or sulfuric acid. The plant growing matrix prepared by the construction wastes has the benefits as follows: a new way for disposing the construction wastes is provided; the land consumption and waste cleaning and transporting fees for disposing the construction wastes by the conventional method are greatly saved; blockage to a soil biological chain by landfill is avoided; the secondary pollution caused by the construction wastes to the environment is greatly reduced; and the nutrient soil has a good effect of preserving moisture and fertility and can be applied to roof greening, slope greening and other engineering.

Description

technical field [0001] The invention relates to a plant growth substrate, in particular to a plant growth substrate prepared from construction waste. It can be applied to roof greening, slope greening and other greening projects. Background technique [0002] In the new urban construction in full swing, the implementation of projects such as urban village renovation, temporary demolition, and old city renovation is accelerating. While the city is becoming more and more beautiful, the amount of construction waste is increasing day by day. According to the source, construction waste can be divided into five categories of waste, including land excavation, road excavation, old building demolition, building construction and building material production. , asphalt blocks, waste plastics, waste metal materials, waste bamboo and wood, etc. [0003] At present, in developed countries such as Europe, America and Japan, most of the construction waste will be recycled and reus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
Inventor 许剑平孟凡彬张赫然邓霞
Owner 青岛冠中生态股份有限公司
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