Concrete block manufacturing method

Abstract

The invention relates to a manufacturing method of a concrete block, which comprises the following steps of: fully mixing ethanol amide, n-caprylic alcohol and hydroxyl silicone oil, pressurizing and stirring to obtain a defoaming agent, adding asphalt, quartz sand and a water reducing agent, mixing, pouring and standing, and overturning and demoulding. According to the defoaming agent, the ethanolamide, the n-caprylic alcohol and the hydroxyl silicone oil are used as main active components, the defoaming efficiency of the defoaming agent is fully exerted, and the defoaming agent is matched with the Span 60 to be used, so that permeation of the defoaming components in a foam liquid film can be well promoted, the stability of the foam liquid film is improved, and the defoaming rate is increased. The overall defoaming and foam inhibiting effects of the defoaming agent are ensured; the pretreated waste asphalt has good dispersibility and acid and alkali resistance, can improve the compactness of concrete slurry, and improves the strength and stability of concrete blocks.

Description

Technical field [0001] The present invention belongs to the field of concrete block production technology, specifically relates to a concrete block manufacturing method. Background [0002] Concrete belongs to a kind of multi-phase material, the appropriate amount of small independent distribution of bubbles in the newly mixed concrete is similar to a ball, with wetting and dispersing effect, can improve the harmony of concrete, effectively reduce the water of the newly mixed concrete, avoid segregation, at the same time in the hardened concrete, tiny independent bubbles make the hardened concrete internal capillary become small, tortuous, dispersed, the penetration channel is reduced, which is conducive to improving the frost resistance, compactness and impermeability of concrete; the preparation methods for concrete blocks on the market are relatively complex. The conditions are higher, the cost is also higher; the waste asphalt mixture milled down will be discarded, on the one...

AI Technical Summary

Problems solved by technology

[0002] Concrete is a kind of multi-phase material. A proper amount of small and independently distributed air bubbles in fresh concrete are similar to balls, which have the function of wetting and dispersing, which can improve the workability of concrete, effectively reduce the wetness of fresh concrete, avoid segregation, and at the same time harden In concrete, the tiny independent air bubbles make the capillary inside the hardened concrete smaller, tortuous and dispersed, and the permeation channels are reduced, which is beneficial to improve the frost resistance, compactness and impermeability of concrete; it is currently used in the preparation of concrete blocks on the market The method is relatively complicated, the conditions are high, and the cost is high; the waste asphalt mixture after milling will be discarded, which will cause environmental pollution on the one hand, and waste a lot of non-renewable resources on the other hand, resulting in waste of resources and huge economic losses. , how to use waste asphalt to turn waste into treasure, and how to meet the product requirements is a difficult problem to be solved at present