Concrete complex mineral admixture and preparation technology thereof

A technology for compounding minerals and concrete, applied in the field of concrete, can solve the problems of unsuitable ratio of yellow phosphorus slag to active ingredients, insufficient early strength of concrete, unsatisfactory other properties, etc., and achieves improved compactness, improved impermeability, and increased flow. Effects of degree and workability

Inactive Publication Date: 2012-12-19
SICHUAN JINGUILAN CEMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to solve the problems of insufficient specific surface area of ​​concrete mineral admixtures, unsuitable ratio of yellow phosphorus slag

Method used

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  • Concrete complex mineral admixture and preparation technology thereof
  • Concrete complex mineral admixture and preparation technology thereof
  • Concrete complex mineral admixture and preparation technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1 This embodiment is the formula and preparation embodiment of concrete composite mineral admixture

[0035] Concrete composite mineral admixture 1000kg, composed of the following ingredients:

[0036] Yellow phosphorus slag 300kg (accounting for 30% of the total weight of concrete composite mineral admixture)

[0037] Limestone 400kg (accounting for 40% of the total weight of concrete composite mineral admixture)

[0038] Zeolite 200kg (accounting for 20% of the total weight of concrete composite mineral admixture)

[0039] Furnace bottom slag 98kg (accounting for 9.8% of the total weight of concrete composite mineral admixture)

[0040]Composite grinding aid activator 2kg (accounting for 0.2% of the total weight of the concrete composite mineral admixture), of which triisopropanolamine accounts for 0.08kg (accounting for 4% of the total weight of the compound grinding aid activator), and triethanolamine accounts for 0.12kg (accounting for 6% of the total...

Embodiment 2

[0044] Embodiment 2 This embodiment is the formula and preparation embodiment of concrete composite mineral admixture

[0045] Concrete composite mineral admixture 1000kg, composed of the following ingredients:

[0046] Yellow phosphorus slag 500kg (accounting for 50% of the total weight of concrete composite mineral admixture)

[0047] Limestone 200kg (accounting for 20% of the total weight of concrete composite mineral admixture)

[0048] Zeolite 200kg (accounting for 20% of the total weight of concrete composite mineral admixture)

[0049] Bottom slag 99kg (accounting for 9.9% of the total weight of concrete composite mineral admixture)

[0050] Composite grinding aid activator 1㎏ (accounting for 0.1% of the total weight of the concrete composite mineral admixture), of which triisopropanolamine accounts for 0.02 kg (accounting for 2% of the total weight of the compound grinding aid activator), and triethanolamine accounts for 0.03 kg (accounting for 3% of the total weigh...

Embodiment 3

[0052] Embodiment 3 This embodiment is the formula and preparation embodiment of concrete composite mineral admixture

[0053] Concrete composite mineral admixture 1000kg, composed of the following ingredients:

[0054] Yellow phosphorus slag 300kg (accounting for 30% of the total weight of concrete composite mineral admixture)

[0055] Limestone 200kg (accounting for 20% of the total weight of concrete composite mineral admixture)

[0056] Zeolite 298kg (accounting for 29.8% of the total weight of concrete composite mineral admixture)

[0057] Bottom slag 200kg (accounting for 20% of the total weight of concrete composite mineral admixture)

[0058] Composite grinding aid activator 2kg (accounting for 0.2% of the total weight of the concrete composite mineral admixture), of which triisopropanolamine accounts for 0.04kg (accounting for 2% of the total weight of the compound grinding aid activator), and triethanolamine accounts for 0.06kg (accounting for 3% of the total weig...

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Abstract

The invention relates to the technical field of concrete, and specifically discloses a concrete complex mineral admixture which comprises the following components in percentage by weight: 30-50% of yellow phosphorus slag, 20-40% of limestone, 20-30% of zeolite, 2-20% of bottom ash and 0.1-0.2% of complex grinding-aid activator, wherein the complex grinding-aid activator consists of the following components in percentage by weight: 2-4% of triisopropanolamine, 3-6% of triethanolamine, 6-10% of glycerol and the balance of water; and the concrete complex mineral admixture is powder with a specific surface area of greater than or equal to 650m<2>/kg. Furthermore, the concrete complex mineral admixture can contain 0.1-15% of ardealite. By adding the concrete complex mineral admixture disclosed by the invention into concrete, the early strength of concrete can be effectively improved, and various properties of concrete are obviously enhanced.

Description

technical field [0001] The invention belongs to the technical field of concrete, in particular to a concrete composite mineral admixture capable of significantly improving the early strength of concrete and a preparation process thereof. Background technique [0002] Yellow phosphorus slag is the industrial slag discharged during the production of yellow phosphorus by phosphate rock thermal method. For every ton of finished yellow phosphorus produced, the by-product yellow phosphorus slag is about 9 tons. At present, my annual output of yellow phosphorus is about 500,000 tons, and the total amount of yellow phosphorus slag is about 4.5 million tons per year. However, due to the low utilization rate of yellow phosphorus slag, most of it is stacked in the open air, and after being washed by rainwater, the phosphorus and fluorine in it gradually dissolve and seep into the ground, polluting water sources, affecting plant growth, and endangering human health. [0003] Concrete ...

Claims

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Application Information

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IPC IPC(8): C04B18/30
CPCY02W30/91
Inventor 杨明刚陈华太
Owner SICHUAN JINGUILAN CEMENT
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