Method for preparing water-permeable brick by using potassium feldspar tailings

Abstract

The invention discloses a method for preparing a water-permeable brick by using potassium feldspar tailings, belonging to the technical field of building materials. The method comprises the followingsteps: S1, weighing the raw materials of a bottom-layer material and the raw materials of a surface-layer material, wherein the raw materials of the bottom-layer material are composed of, by weight, 50-60 parts of potassium feldspar tailings, 10-20 parts of lime, 3-5 parts of cement, 10-20 parts of an adhesive, 3-5 parts of a foaming agent and 20-30 parts of water, and the raw materials of the surface-layer material are composed of, by weight, 30-40 parts of potassium feldspar tailings, 6-8 parts of lime, 10-15 parts of an adhesive and 15-20 parts of water; S2, smashing the raw materials of the bottom-layer material and the surface-layer material according to the weight parts mentioned in the step S1, separately placing the smashed materials in a mixer, carrying out uniform mixing under stirring, and then carrying out shaking and compaction molding for 3 to 5 min so as to obtain a molded green body; and S3, maintenance: subjecting the obtained molded green body to maintenance under natural conditions for 5 to 10 days so as to obtain the finished water-permeable brick. The water-permeable brick prepared in the invention has the advantages of good water permeability, high strength, low cost, beautiful appearance, etc.; and the method of the invention can achieve zero emission and zero pollution in the production process, and has good economic and social benefits.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a method for preparing permeable bricks by utilizing potassium feldspar tailings. Background technique [0002] In the long-term urbanization development process in my country, large-scale impervious ground (concrete, cement ground) replaced the original forests, green spaces and fields, resulting in a great increase in the impervious area, making urban rainwater unable to enter the soil smoothly, resulting in groundwater replenishment The conservation is greatly reduced, and the peak flow is greatly increased. In many cities, in the event of a heavy rain, the rainwater on the road surface cannot leak quickly. When the drainage facilities are not smooth, it is easy to cause urban waterlogging. At the same time, the hardening of the ground weakens the breathing function of the urban environment, resulting in aggravated heat island effect, dust and noise, worsening the u...

AI Technical Summary

Problems solved by technology

This patent uses the firing method to process the potassium feldspar tailings to make permeable bricks. This method consumes a lot of energy. While solving the solid waste potassium feldspar tailings, it also creates new pollution.