Titanium-extracting slag lime stabilized crushed stone material and preparation method thereof

Abstract

The invention provides a titanium-extracting slag lime stabilized crushed stone material and a preparation method thereof. The material is prepared from a binder, crushed stones, an admixture and water, wherein the mass ratio of the binder and the crushed stones is (20-40) to (50-70); the binder is prepared from the following components in percentage by mass: 50-70 percent of titanium-extracting slag, 4-16 percent of lime, 15-30 percent of steel slag powder and 0-20 percent of fly ash; the crushed stones include graded crushed stones or steel slag crushed stones; the admixture is 4-6 percent of the mass of the lime and includes one or more of gypsum, sodium carbonate, water glass, sodium sulfate and calcium formate; and the mass of the water is 4-18 percent of the total sum of the masses of the binder, the crushed stones and the admixture in a dry state. The preparation method can adopt the raw materials to perform preparation. The preparation method has the beneficial effects that thecost of the raw materials is low, and the cost is low; a great quantity of industrial waste slag including titanium-extracting slag can be utilized; the construction technology is simple and convenient; the material strength increases rapidly, the construction period can be shortened, and the engineering cost is lowered.

Description

technical field [0001] The invention relates to the field of road materials and the field of industrial solid waste recycling, in particular to a titanium slag lime-stabilized gravel material capable of improving the strength of a pavement base and a preparation method thereof. Background technique [0002] As the world-famous capital of vanadium and titanium, Panzhihua is rich in vanadium-titanium magnetite resources, among which TiO2 reserves are as high as 130 million tons, accounting for more than 90% of the known domestic reserves and more than 1 / 3 of the world's proven reserves , ranking first in the country. Under Panzhihua Iron and Steel's current smelting technology conditions, about 50% of the titanium resources in the raw ore enter the blast furnace slag, forming Panzhihua Iron and Steel's unique titanium-containing blast furnace slag. The speed increase of more than 10,000 tons is Panzhihua Iron and Steel Co., Ltd., which is also a unique secondary titanium resou...

AI Technical Summary

Problems solved by technology

[0009] Although relevant personnel in China have used steel slag and other industrial waste slag as raw materials for road construction, no public information has been found on the use of titanium slag for road construction.

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