A kind of permeable brick and preparation method thereof

A permeable brick and cement technology, which is applied in the field of building materials, can solve the problems of not preparing permeable bricks, lack of rock resources, and large environmental burdens, and achieve the effects of widening utilization channels, high solid waste utilization rate, and good water permeability

Active Publication Date: 2016-08-24
浙江合泽环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current production technology of permeable bricks mostly uses natural aggregates or calcined ceramsite as raw materials. Although their quality is excellent, the production process has a greater burden on the environment.
On the one hand, natural aggregates need to be mined in mines, which will inevitably lead to a continuous shortage of rock resources and damage the environment; on the other hand, the preparation of calcined ceramsite will consume a lot of energy, which is costly and uneconomical
[0003] Building silt unfired ceramsite is a kind of artificial unfired ceramsite prepared by natural curing or steam curing with building silt as the main material. Its bulk density, cylinder compressive strength, water absorption and other properties are comparable to other types of Unfired ceramsite or calcined ceramsite is equivalent, and it can be used instead of natural aggregate or calcined ceramsite to prepare permeable bricks. However, there are no related patents and reports on using construction silt unfired ceramsite to prepare permeable bricks.

Method used

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  • A kind of permeable brick and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Preparation of non-fired ceramsite for building silt:

[0042] ①Weigh the following formula proportion raw materials according to the proportion:

[0043] Solid content: building silt 76%, cement 3%, quicklime 3%, perlite 3%, desulfurization gypsum 4%, fly ash 5%, water glass 6%. The amount of water used is 50% of the total mass of the above-mentioned solid content.

[0044] ②Preparation method: 1) materials such as construction silt, cement, quicklime, desulfurized gypsum, perlite and fly ash are uniformly mixed by a mixer, and then put into a disc granulator;

[0045] 2) Put the water glass into the water, and after the dissolution is uniform and complete, start the disc granulator, and within 20 minutes, spray all the prepared solution into the powder of the granulator, and continue to run the disc granulator. The pellet machine can be formed into balls in 40 minutes;

[0046] 3) After curing the pelletized ceramsite in fresh water at 18-22°C for 24 hours, take it o...

Embodiment 2

[0064] Preparation of non-fired ceramsite for building silt:

[0065] ①Weigh the following formula proportion raw materials according to the proportion:

[0066] Solid content: building silt 75%, cement 4%, quicklime 4%, perlite 6%, desulfurization gypsum 5%, fly ash 7%, water glass 9%. The amount of water used was 55% of the total mass of the above-mentioned solid content.

[0067] ② The preparation steps are the same as the preparation method of the non-fired ceramsite for building silt in Example 1.

[0068] The obtained ceramsite samples are tested: the bulk density of ceramsite is 510kg / m 3 , the cylinder compressive strength is 1.2Mpa.

[0069] Preparation of permeable bricks:

[0070] ①Weigh the following formula proportion raw materials according to the proportion:

[0071] Surface composition: ceramic sand: 70%, desalinated sea sand: 15%, cement: 15%. The water consumption is 55% of the total cement mass.

[0072] Base composition: building silt unburned cerams...

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Abstract

The invention discloses a water permeable brick and a preparation method thereof. The water permeable brick comprises two parts, namely a surface layer and a base layer, wherein the material of the surface layer is prepared from the following components in percentage by mass: 60-70% of ceramic sand, 15-20% of sand and 15-20% of cement, and in addition to the solid components with the sum of 100% in percentage by mass, water accounting for 50-60% by mass of cement is further added; and the material of the base layer is prepared from the following components in percentage by mass: 45-65% of building silt unburned ceramsite, 10-15% of cement, 5-10% of fly ash, 10-15% of melon seed-shaped drug slices and 10-15% of sand, and in addition to the solid components with the sum of 100% in percentage by mass, the water accounting for 30-40% and a water reducer accounting for 1-1.5% relative to total mass of the cement and the fly ash are further added. The water permeable brick disclosed by the invention is prepared by using the building silt unburned ceramsite to replace natural aggregate or calcined ceramsite, on one hand, the using ways of the building silt unburned ceramsite can be expanded, the utilization rate of solid wastes is improved, and negative effects on an environment are reduced, and on the other hand, the obtained water permeable brick has excellent performance.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a permeable brick and a preparation method thereof. Background technique [0002] Because permeable pavement can conserve groundwater sources, supply green water, reduce surface runoff, and reduce urban water pollution and noise, it is widely used in pedestrian paths and bicycle paths, ground road decoration in communities, landscaped roads, urban squares and outdoor parking lots, etc. . However, the current production technology of permeable bricks mostly uses natural aggregates or calcined ceramsite as raw materials. Although their quality is excellent, the production process has a great burden on the environment. On the one hand, natural aggregates need to be mined, which will inevitably lead to continuous scarcity of rock resources and damage to the environment; on the other hand, the preparation of calcined ceramsite consumes a lot of energy, which is costly and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C15/00C04B28/00C04B38/00C04B18/30
CPCY02W30/91
Inventor 耿健卢樟锋唐绍春方家宏潘志超江涛
Owner 浙江合泽环境科技有限公司
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