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Production method for firing environment-friendly sintered bricks with sludge from domestic sewage plant

A technology of domestic sewage and production methods, applied in the production of ceramic materials, clay products, applications, etc., can solve problems such as waste, poor quality of fired bricks, and complicated operations, and achieve the effects of improving plasticity, increasing strength, and saving land resources

Inactive Publication Date: 2018-03-20
石狮市鸿辉环保建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the traditional production method of sintered bricks usually uses excavated land as brick-making material, resulting in a certain amount of waste, and the traditional production method of sintered bricks is complex in operation, and the quality of fired bricks is poor, and there are certain defects, so it needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A production method for firing environmentally friendly sintered bricks from domestic sewage plant sludge, comprising the following steps:

[0024] S1. First add water to the mixer, then start the mixer, then add fly ash, domestic sludge, construction dregs, rock sand essence, and stone salt into the mixer in turn, stir for 30-50 minutes, and calculate the water according to the mass components 80 parts, 40 parts of fly ash, 20 parts of domestic sludge, 40 parts of construction dregs, 5 parts of rock sand essence, 3 parts of stone salt;

[0025] S2. Stir in the mixer for 30-50 minutes, stop the mixer, then control the mixer to reverse, and pour the mixed material into the aging tank;

[0026] S3. The mixed material is aged in the aging tank for 7 days, allowing the water to fully penetrate into the particles of the mixed material, so that the water and the mixed material are evenly mixed to increase its plasticity. During this process, add 14 to the aging tank every 3 h...

Embodiment 2

[0033] A production method for firing environmentally friendly sintered bricks from domestic sewage plant sludge, comprising the following steps:

[0034] S1. First add water to the mixer, then start the mixer, then add fly ash, domestic sludge, construction dregs, rock sand essence, and stone salt into the mixer in turn, stir for 30-50 minutes, and calculate the water according to the mass components 90 parts, 45 parts of fly ash, 25 parts of domestic sludge, 45 parts of construction dregs, 5 parts of rock sand essence, 3 parts of stone salt;

[0035] S2. Stir in the mixer for 30-50 minutes, stop the mixer, then control the mixer to reverse, and pour the mixed material into the aging tank;

[0036] S3. The mixed material is aged in the aging tank for 7 days, allowing the water to fully penetrate into the particles of the mixed material, so that the water and the mixed material are evenly mixed to increase its plasticity. During this process, add water to the aging tank every ...

Embodiment 3

[0043] A production method for firing environmentally friendly sintered bricks from domestic sewage plant sludge, comprising the following steps:

[0044] S1. First add water to the mixer, then start the mixer, then add fly ash, domestic sludge, construction dregs, rock sand essence, and stone salt into the mixer in turn, stir for 30-50 minutes, and calculate the water according to the mass components 70 parts, 35 parts of fly ash, 15 parts of domestic sludge, 35 parts of construction dregs, 3 parts of rock sand essence, 2 parts of stone salt;

[0045] S2. Stir in the mixer for 30-50 minutes, stop the mixer, then control the mixer to reverse, and pour the mixed material into the aging tank;

[0046] S3. The mixed material is aged in the aging tank for 7 days, allowing the water to fully penetrate into the particles of the mixed material, so that the water and the mixed material are evenly mixed to increase its plasticity. During this process, add water to the aging tank every ...

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Abstract

The invention relates to the technical field of environment-friendly sintered bricks and particularly relates to a production method for firing environment-friendly sintered bricks with sludge from adomestic sewage plant. According to the production method, coal ash, domestic sludge and construction waste are used as main materials for making bricks, and land resources are greatly saved by wasterecovery and by changing waste materials into things of value. The production method comprises the following steps: mixed materials are firstly stirred, and then aged for a long time, so that water isuniformly mixed with the mixed materials, and during ageing, water is added to a material ageing pool at regular time every three hours so as to prevent the mixed materials from solidifying and facilitate stirring for the second time; and during stirring for the second time, clay and cement are added, so that the plasticity of the mixed materials is greatly improved, brick making and forming of abrick machine are facilitated, and the strength of bricks is improved; green bricks undergo three steps of preheating, calcining and cooling in a brick firing kiln, so as to prevent shock chilling ofthe green bricks or deformation of the green bricks due to shock chilling, and thus greatly improving the attractiveness of the bricks.

Description

technical field [0001] The invention belongs to the technical field of environmentally friendly sintered bricks, and more specifically relates to a production method for firing environmentally friendly sintered bricks from domestic sewage plant sludge. Background technique [0002] There are many types of bricks, which are divided into clay bricks, shale bricks, coal gangue bricks, fly ash bricks, lime sand bricks and slag bricks according to the raw materials used; according to the production process, they can be divided into fired bricks and non-fired bricks, of which non-fired Bricks can be divided into pressed bricks, steam-cured bricks and autoclaved bricks, etc.; according to the presence or absence of holes, they can be divided into ordinary bricks, porous bricks, and hollow bricks. Sintered brick has a history of more than two thousand years in our country, and it is still a very wide wall material today. Sintered bricks not only have a certain strength, but also ha...

Claims

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Application Information

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IPC IPC(8): C04B33/132C04B33/135C04B33/32
CPCC04B33/1321C04B33/1324C04B33/1352C04B33/32C04B35/6269C04B2235/656Y02P40/60
Inventor 郑明辉
Owner 石狮市鸿辉环保建材有限公司
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