Special foam and slurry mixing device for manufacturing air entraining slurry

Abstract

The invention provides a special foam and slurry mixing device for manufacturing air entraining slurry. The special foam slurry mixing device comprises a mixing pump, a liquid pumping pipe, a gas-liquid mixer, a foam absorbing pipe, a slurry absorbing pipe and a mixed discharging pipe, wherein the liquid pumping pipe, the foam absorbing pipe and the slurry absorbing pipe of the centrifugal mixing pump are connected with the gas-liquid mixer in a sealing manner; the mixed discharging pipe of the centrifugal mixing pump is communicated with a pouring material agitator; the foam absorbing pipe is communicated with a foam pool; and the slurry absorbing pipe is communicated with a slurry pool. The special foam slurry mixing device can controllably add foams generated by a cement foaming agent into primary slurry, and the foams and the primary slurry are mixed and agitated to form the air entraining slurry; the input amount of the foams is adjusted to accurately control and the density of the air entraining slurry; and the air entraining slurry can be used for preparing a pouring material containing ceramsite and expanded perlite; and a concrete aerated building block made from the air entraining slurry is high in strength and lower in density, has better sound-insulating and heat-insulating performance, and is internally provided with the ceramsite and air bubbles which are more uniformly distributed.

Description

【Technical field】 [0001] The invention relates to production equipment of aerated concrete blocks, in particular to special equipment for producing air-entraining slurry in the production process of aerated concrete blocks containing ceramsite. 【Background technique】 [0002] With the development of society and the improvement of people's awareness of environmental protection, fire protection and safety, people cherish the land more. The country has issued policies to limit the production of solid clay bricks, and encourage new energy-saving materials such as high-strength hollow bricks and unburned bricks. Wall material, ceramsite aerated concrete block is the most advanced light-weight high-strength wall brick at present. It has good heat insulation, sound insulation, fireproof and moisture-proof performance, and is in line with the national energy-saving and material-saving industrial policy. It is an ideal light-weight and high-strength unburned brick body for the walls ...

AI Technical Summary

Problems solved by technology

The obtained ceramsite aerated concrete block has high strength, low density and good sound insulation and heat insulation performance compared with solid brick or ordinary concrete block. However, it is found that in ceramsite aerated concrete block, not only The distribution of particles is not uniform, and the size and distribution of pores are not uniform

After testing, the dispersion of strength, density, sound insulation and heat insulation performance of ceramsite aerated concrete blocks of the same specification is too large, and the density of the product is too high. In the production process of the blocks, foaming agent, Various chemical additives such as activator, water reducer, coagulation accelerator and hardening accelerator will cause certain pollution to the environment

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