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Environment-friendly cement tile mixed with limestone powder and preparation method thereof

A limestone powder and cement tile technology, applied in the field of building materials, can solve problems such as environmental pollution, achieve the effects of protecting the environment, saving resources, and improving the flexural strength

Active Publication Date: 2010-03-10
CHINA BUILDING MATERIALS ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to reduce the cost of cement tile production and solve the problem of environmental pollution caused by limestone powder, the present invention adopts the following technical solutions: an environmentally friendly cement tile mixed with limestone powder, which is based on ordinary cement tile raw materials with limestone added Environmentally friendly cement tiles prepared from powder

Method used

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  • Environment-friendly cement tile mixed with limestone powder and preparation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1, preparation and performance testing of environment-friendly cement tile mixed with limestone powder

[0022] The limestone powder cement tile is prepared by the following method, and the specific method includes the following steps:

[0023] 1) Weighing and taking materials: limestone powder (stone powder waste collected in limestone production, specific surface area is 614kg / m 2 ) 20kg, ordinary portland cement (P.042.5 model, purchased from Jidong Cement Group Co., Ltd., Hebei Province) 80kg, river sand (fineness modulus is 2.5) 150kg, water 26kg, mix the above raw materials evenly into wet material;

[0024] 2) Fill the wet material into a standard mold and press it into shape; the pressure is 10MPa, and the pressurization time is 3 seconds;

[0025] 3) Standard maintenance: After demoulding, maintain for 24 hours without water, and then soak in water for maintenance;

[0026] An environment-friendly cement tile mixed with limestone powder is obtaine...

Embodiment 2

[0032] Example 2, preparation and performance testing of environment-friendly cement tiles mixed with limestone powder

[0033] The following method is used to prepare the environment-friendly cement tile mixed with limestone powder, and the specific method includes the following steps:

[0034] 1) Weighing and taking materials: limestone powder (primary powder collected in the production of machine-made sand, the specific surface area is 621kg / m 2 ) 40kg, sulfoaluminate cement (R-SAC42.5 model, purchased from Tangshan Liujiu Cement Co., Ltd.) 60kg, river sand (fineness modulus is 3.0) 150kg, water 25kg, the above-mentioned raw materials are mixed evenly;

[0035] 2) Compression molding; pressure 20MPa, pressure hold time 2 seconds;

[0036] 3) Standard maintenance: After demoulding, maintain for 24 hours without watering, and then watering for curing.

[0037] An environment-friendly cement tile mixed with limestone powder is obtained.

[0038] The environment-friendly cem...

Embodiment 3

[0041] Embodiment 3, preparation and performance testing of environment-friendly cement tile mixed with limestone powder

[0042] The following method is used to prepare the environment-friendly cement tile mixed with limestone powder, and the specific method includes the following steps:

[0043] 1) Weighing and taking materials: limestone powder (dust collected in the production of machine-made sand, the specific surface area is 800kg / m 2 ) 30kg, ordinary Portland cement (P.O42.5 model, purchased from Hebei Province Jidong Cement Group Co., Ltd.) 50kg, river sand (fineness modulus is 2.3) 170kg, water 20kg, mix the above raw materials evenly ;

[0044] 2) Compression molding; pressure 6MPa, pressurization hold time 3 seconds;

[0045] 3) Standard maintenance: After demoulding, it is maintained for 24 hours without water, and then naturally cured;

[0046] An environment-friendly cement tile mixed with limestone powder is obtained.

[0047] The environment-friendly cement t...

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Abstract

The invention discloses environment-friendly cement tile mixed with limestone powder and a preparation method thereof. The environmental-friendly cement tile is prepared by adding limestone powder into the raw materials of the common cement tiles, and the raw materials comprise 5 to 50 parts of limestone powder, 50 to 125 parts of cement, 120 to 170 parts of sand and 20 to 39 parts of water. Through experiments, by adding the limestone powder to the cement tiles, the breaking strength of the cement tiles is improved, and a great amount of waste limestone powder and machine-made sand powder areconsumed, thereby the waste is utilized, the resources are saved, and the environment is protected. The environmental-protection cement has a great function in the building field and wide market prospect.

Description

technical field [0001] The invention relates to the field of building materials, and mainly relates to the reuse of industrial waste, in particular to an environment-friendly cement tile mixed with limestone powder and a preparation method thereof. Background technique [0002] With the rapid development of my country's construction industry, the demand for concrete is also increasing rapidly. Natural sand and gravel are difficult to meet the needs of human beings. More and more broken limestone or machine-made sand are used to replace river sand. However, when crushing, a large amount of stone powder (limestone powder) is produced, and most of these limestone powders are directly discharged, causing environmental pollution and waste of resources, and also worsening the production environment of the quarry and affecting the economy of the quarry. benefit. [0003] Cement tiles (also known as concrete tiles) have a long history. This industry is one of the most traditional, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04D1/04E04D1/16C04B28/00C04B28/04C04B28/36B28C7/04B28B3/00B28B11/24
Inventor 李清海孙蓓
Owner CHINA BUILDING MATERIALS ACAD
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