Pebble-imitated ecological concrete precast member and preparation method thereof

A technology of ecological concrete and prefabricated parts, applied in the direction of clay preparation equipment, mixing operation control, chemical instruments and methods, etc., can solve the problems of unsatisfactory ammonia nitrogen pollution and other problems, improve waste utilization rate, improve landscape functions, and contribute to Recovery effect

Inactive Publication Date: 2009-07-08
南京东大苏威能源环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a pebble-like ecological concrete prefabricated part and its preparation method in view of the unsatisfactory effect of ammonia nitrogen pollution in water in the practical application of the above-mentioned ecological concrete

Method used

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  • Pebble-imitated ecological concrete precast member and preparation method thereof

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Embodiment 1

[0025] Raw material preparation (in this embodiment, each raw material is prepared with 10KG as a standard): 100KG of Portland cement of grade 42.5, 700KG of granular slag with a single grain diameter of 10-20mm, dodecylbenzenesulfonic acid 20KG of sodium, 30KG of silicon powder, 100KG of zeolite powder (produced by Jinxin Zeolite Powder Factory in Ninghai County, Zhejiang Province) with a single particle diameter of ≤2mm, 10KG of water reducing agent (water reducing rate>20%), 15KG of iron oxide, and appropriate amount of water.

[0026] Preparation process: Prepare the above raw materials in proportion, stir them evenly to form a mixture; apply a release agent on the inner wall of the pebble prefabricated mold; press the mixture into a prefabricated mold, or place the mixture in a prefabricated mold and vibrate to form; stand still Remove the mold after 0.5 hours and cure for 24 hours. In this embodiment, the port diameter of the hemispherical mold cavity of the prefabricate...

Embodiment 2

[0028] Select two 100m buildings of almost the same size, A and B, in the community 2 The left and right artificial lakes have an average depth of 1.5m. Lake A is built with traditional mortared rubble, with an inner throw of 5m 3 Ordinary pebbles; the bottom of Lake B is built with traditional mortar and flakes, and the inner throw is 5m 3 Imitation pebble ecological concrete prefabricated part (obtained by embodiment 1). Eutrophic water was injected into the two lakes at the same time on April 1, 2005, and the initial ammonia nitrogen concentration in the raw water was about 80mg / l. And from May 1, 2005 to March 1, 2006, the water quality test was carried out, and the test results were as follows: figure 1 . It can be seen from the figure that the concentration of ammonia nitrogen in the water of Lake B is significantly lower than that of Lake A. After 7 months, the concentration of ammonia nitrogen drops and remains between 20 and 30 mg / l; Iron oxide is added to make t...

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Abstract

The invention relates to a pebble-like ecological concrete prefabricated part and a preparation method thereof. Prepared from the following raw materials: 8-20 parts of cement; 65-75 parts of granular slag; 1-2 parts of sodium dodecylbenzenesulfonate; 2-4 parts of silicon powder; 5-10 parts of zeolite powder; 0.5 parts of water reducer ~2.5 parts; 1~2 parts of inorganic pigment; appropriate amount of water. The preparation method includes: preparing the above-mentioned raw materials in proportion, stirring them evenly to form a mixture; smearing a release agent on the inner wall of a pebble prefabricated mold; pressing the mixture into a prefabricated mold, or placing the mixture in a prefabricated mold and vibrating to form it, statically Remove the mold after 0.5 hours, and cure for 24 hours. The invention has the advantages that the pebble-like ecological concrete prefabricated part can be used as a place for aquatic plants and animals to inhabit and grow, and is also helpful for the restoration of the water environment ecosystem. It also has the functions of water purification and landscape beautification.

Description

technical field [0001] The invention relates to an ecological concrete prefabricated part and a preparation method thereof, in particular to a pebble-like ecological concrete prefabricated part and a preparation method thereof. Background technique [0002] Ecological concrete is a new concept put forward in the 1990s. The research on ecological concrete started earlier than domestically. At present, Japan, the Netherlands, and especially Japan are in the leading position in the world. In recent years, ecological concrete has been applied in road slope protection and water environment treatment. [0003] CN1237866C patent document discloses a kind of plant growth type porous concrete spherical block, when laying bank revetment and road revetment, holes where plants can grow are reserved. Patent document CN1584218A discloses a porous concrete prefabricated ball, which integrates water and soil conservation and ecological restoration, and plants can grow from the gaps in the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28C7/04B28B7/22B28B3/26B28B1/08
Inventor 王灏良刘军初利国兰计香
Owner 南京东大苏威能源环保工程有限公司
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