Method for preparing non-sintered sidewalk brick with primary aluminum ash after fine grinding

A non-sintered sidewalk technology, which is applied in the field of brick making and preparation of sidewalk bricks, can solve the problems of unsatisfactory strength of sidewalk bricks and damage to the ecological environment, and achieve the effects of increased compressive strength, less damage, and high early strength

Inactive Publication Date: 2018-04-10
NANTONG UNIVERSITY
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  • Abstract
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  • Application Information

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Problems solved by technology

Environmentally friendly concrete pavement bricks in the prior art mainly use gravel or sand or cinder as aggregates, but q

Method used

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  • Method for preparing non-sintered sidewalk brick with primary aluminum ash after fine grinding
  • Method for preparing non-sintered sidewalk brick with primary aluminum ash after fine grinding

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[0018] The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for ease of description, only parts related to the invention are shown in the drawings.

[0019] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0020] Please refer to figure 1 and 2 , one example of which is:

[0021] A method for preparing non-sintered pavement bricks using primary aluminum ash after fine grinding as the main raw material. First, the aluminum ash is finely ground through a 120 sieve, poured into water at 60°C at a mass...

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Abstract

The invention discloses a method for preparing a non-sintered sidewalk brick with primary aluminum ash after fine grinding, wherein the method includes the following steps of aluminum ash pretreatment, mixing, molding, and later maintenance; waste aluminum ash is used as a main aggregate, and additives such as a high performance water reducing agent, an early strength agent and the like are added,so that the sidewalk brick has high early strength, is not easy to damage during demoulding, and has the compressive strength increased. The sidewalk brick prepared by the method has the characteristic of low production cost due to utilization of the primary aluminum ash waste. The problem of ecological environment affected by aluminum ash accumulation is effectively solved, and the method playsa resource recycling effect and has important practical value.

Description

technical field [0001] The present disclosure generally relates to the field of brick making, specifically to the technical field of preparing pavement bricks, and in particular to a method for preparing non-sintered pavement bricks with finely ground primary aluminum ash. Background technique [0002] With the rapid development of my country's economy, the demand for aluminum continues to increase. my country has become the world's largest aluminum producer. With the wide application of metal aluminum, the production of aluminum ash is also increasing. Aluminum ash is the product of the slag produced in the production process of electrolytic aluminum or cast aluminum after cooling and processing, and it is a renewable resource. At present, the processing method of aluminum ash in my country is mainly based on accumulation. On the one hand, slag piles occupy a large amount of land; [0003] Aluminum ash contains aluminum and a variety of valuable elements, mainly composed...

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Application Information

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IPC IPC(8): C04B28/14C04B28/10C04B18/14C04B20/02
CPCC04B18/144C04B20/026C04B28/10C04B28/14C04B2111/0075C04B22/143C04B7/02C04B18/146C04B14/06C04B2103/0068C04B24/04C04B2103/302C04B22/064Y02W30/91
Inventor 倪红军唐伟佳汪兴兴吕帅帅廖萍顾涛
Owner NANTONG UNIVERSITY
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