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Method for manufacturing ecological artificial fish reef by utilizing fly ash geopolymer and artificial fish reef

A technology of geopolymers and artificial fish reefs, applied in the field of building materials, to achieve the effects of maximizing economic and social benefits, high strength, and strong resistance to seawater corrosion

Inactive Publication Date: 2017-11-24
大连金海岸海洋经济发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main technical problem to be solved by the present invention is to provide an artificial fish reef made of fly ash-based geological polymer green cementitious material instead of traditional cement in the marine ranch project, which not only solves the problem of recycling industrial waste, but also prolongs the Artificial fish reef life, and the molecular sieve structure of geopolymer can also permanently immobilize heavy metal ions in fly ash

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The invention provides a method of utilizing fly ash geopolymer to manufacture ecological artificial fish reef, the steps are as follows:

[0015] 1) Take 50 parts by weight of fly ash, and at a temperature of 15°C, add an activator for alkali excitation. The activator is a mixed solution of sodium hydroxide and sodium metasilicate, that is, add the percentage concentration 5% sodium hydroxide aqueous solution and 5 parts by weight of sodium silicate aqueous solution with a specific gravity of 30 degrees Baume and a silicon-sodium ratio of 2.5 modulus, stirred for 2 minutes to form a slurry;

[0016] 2) When the slurry starts to thicken, add aggregate, which includes 200 parts of sand with a particle size of 1-3mm and 250 parts of stones with a particle size of 3-30mm, and continue stirring for 2 minutes to obtain the fish reef concrete used for artificial fish reefs;

[0017] 3) The reef concrete in step 2) is poured into the artificial reef mold, cured at 30°C for 10 ...

Embodiment 2

[0019] The invention provides a method of utilizing fly ash geopolymer to manufacture ecological artificial fish reef, the steps are as follows:

[0020] 1) Take 200 parts by weight of fly ash, and at a temperature of 50°C, add an activator for alkali excitation. The activator is a mixed solution of sodium hydroxide and sodium metasilicate, that is, add the percentage concentration 10% sodium hydroxide aqueous solution and 20 parts by weight of sodium silicate aqueous solution with a specific gravity of 50 degrees Baume and a silicon-sodium ratio of 3.5 modulus, stirred for 10 minutes to form a slurry;

[0021] 2) When the slurry starts to thicken, add aggregate, which includes 800 parts of sand with a particle size of 1-3mm and 1000 parts of stones with a particle size of 3-30mm, and continue stirring for 5 minutes to obtain the fish reef concrete used for artificial fish reefs;

[0022] 3) Pour the fish reef concrete in step 2) into the artificial fish reef mold, cure at 180...

Embodiment 3

[0024] The invention provides a method of utilizing fly ash geopolymer to manufacture ecological artificial fish reef, the steps are as follows:

[0025] 1) Take 100 parts by weight of fly ash, and at a temperature of 35°C, add an activator for alkali excitation. The activator is a mixed solution of sodium hydroxide and sodium metasilicate, that is, add the percentage concentration 8% aqueous sodium hydroxide solution and 13 parts by weight of an aqueous sodium silicate solution with a specific gravity of 40 degrees Baume and a silicon-to-sodium ratio of 3 modulus, stirred for 8 minutes, and stirred into a slurry;

[0026] 2) When the slurry starts to thicken, add aggregate, which includes 300 parts of sand with a particle size of 1-3mm and 400 parts of stones with a particle size of 3-30mm, and continue stirring for 3 minutes to obtain the fish reef concrete used for artificial fish reefs;

[0027] 3) The reef concrete in step 2) is poured into the artificial reef mold, cured...

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Abstract

The invention discloses a method for manufacturing an ecological artificial fish reef by utilizing a fly ash geopolymer. The method comprises the following steps: 1) taking 50 to 200 parts of fly ash by weight and adding an exciting agent at the temperature of 15 DEG C to 50 DEG C to carry out alkali excitation; stirring for 2min to 10min to form slurry; 2) when the slurry starts to be thickened, adding aggregate and continually stirring for 2min to 5min to obtain fish reef concrete needed by the artificial fish reef; 3) injecting the fish reef concrete in step 2) into an artificial fish reef mold and curing at 30 DEG C to 180 DEG C for 5h to 40h; after de-molding, obtaining the ecological artificial fish reef. The ecological artificial fish reef obtained by the manufacturing method is a fly ash geopolymer material, and is one of or a polymer of several more of polymers of 3A, 4A, 5A, 13X, 10X, Y and M type molecular sieves which take a three-dimensional net-shaped silicon-aluminum-oxygen tetrahedron as a structural unit. The structure provided by the invention can be used for fixing and sealing heavy metal ions in raw materials and does not cause secondary marine pollution.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a method for manufacturing an ecological artificial fish reef by using fly ash geopolymer and the artificial fish reef. Background technique [0002] The artificial fish reefs of the existing marine ranch mainly adopt cement as the concrete member made of cementitious material. Chloride ions and sulfate ions in seawater are very destructive to cement erosion; and cement production not only consumes a large amount of non-renewable calcium carbonate resources, but also consumes high energy consumption, high pollution and high greenhouse gas emissions in the production process. In short, the manufacturing cost of cement used in artificial fish reefs is high, it is not environmentally friendly, and its lifespan is short. Contents of the invention [0003] The main technical problem to be solved by the present invention is to provide an artificial fish reef made of fly a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B111/20C04B111/24
CPCC04B28/006C04B2111/00017C04B2111/20C04B2111/24C04B2201/50C04B22/062C04B22/00C04B14/02C04B14/06Y02P40/10
Inventor 翟松婷于洪阳翟冠杰姜鑫
Owner 大连金海岸海洋经济发展有限公司
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