Sintered water-permeable ground tile with rare earth tailings added

A technology of rare earth tailings and floor tiles, which is applied in the field of building materials, can solve the problems of high cost and environmental pollution caused by sludge, and achieve the effects of low cost, improved water permeability and convenient process

Inactive Publication Date: 2016-02-17
HEFEI ZHENGTUO DECORATION MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sludge landfill cannot fundamentally solve the problem of sludge pollution to the environment, and the cost of sludge regeneration and recycling is very high, so the resource utilization of sludge is considered to be the most economical and reasonable disposal method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] A sintered permeable floor tile with rare earth tailings added, prepared from the following raw materials in parts by weight (kg): sewage plant sludge 40, rice husk 6, potassium feldspar powder 4, fly ash 10, water glass 10, rare earth 2 Secondary tailing sand 30, black talc 13, river sand 13, soda ash 2, water-based fluorocarbon emulsion 4, pulp waste liquid 2, kaolin 5.

[0017] The sintered permeable floor tile with rare earth tailings added is made by the following specific steps:

[0018] (1) Naturally dry the sludge from the sewage plant, pulverize and pass through a 200-mesh sieve to obtain sludge powder for use; mix half of the sludge powder, rice husk, and potassium feldspar powder, add an appropriate amount of water, and put it into a mixer Stir at a speed of 120 rpm to form sludge, control the water content to 20%, and then send it to a granulator for extrusion and granulation to obtain sludge granules, and control the particle size to 10 mesh;

[0019] (2) ...

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Abstract

The invention discloses a sintered water-permeable ground tile with rare earth tailings added. The ground tile is prepared from, by weight, 40-43 parts of sludge from a sewage plant, 6-7 parts of rice husks, 4-5 parts of potassium feldspar powder, 10-12 parts of coal ash, 10-12 parts of water glass, 30-33 parts of rare earth secondary tailings, 13-15 parts of black talc, 13-14 parts of river sand, 2-3 parts of sodium carbonate, 4-5 parts of water-based fluorine-carbon emulsion, 2-3 parts of pulp mill waste liquid and 5-7 parts of kaolin. According to the sintered water-permeable ground tile, the rare earth secondary tailings are adopted, aggregate such as the kaolin and the river sand and caking elements such as the water glass are further combined for preparing a tile body high in strength, elements such as the sodium carbonate and the pulp mill waste liquid are further added, through sintering, the tile body is made to be more compact, the strength is further improved, meanwhile, communicated pores can be generated, the good water permeation efficacy is achieved, by means of the ground tile, recycling of waste resources can be achieved, energy is saved, environmental protection is achieved, cost is low, and the process is convenient to control industrially.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a sintered permeable floor tile added with rare earth tailings. Background technique [0002] Sponge city refers to a city that can be like a sponge and has good "elasticity" in adapting to environmental changes and responding to natural disasters. use. In the process of sponge city construction, the systematic nature of natural precipitation, surface water and groundwater should be coordinated, water supply, drainage and other water recycling links should be coordinated, and its complexity and long-term nature should be considered. As we all know, most of the existing urban street pavements are paved with impermeable materials such as cement concrete, asphalt, stone, and ceramic tiles. This hardened pavement is no longer suitable for the trend of building sponge city pavements. [0003] Permeable bricks have good water permeability and moisturizing properties, which...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/06C04B28/26C04B18/30C04B18/24C04B18/08
CPCY02W30/91
Inventor 高翠莲
Owner HEFEI ZHENGTUO DECORATION MATERIALS CO LTD
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