Inorganic polymer foaming material prepared from sludge and preparing method of inorganic polymer foaming material

A technology of inorganic polymers and foaming materials, which can be used in applications, household appliances, ceramic products, etc., can solve the problems of waste of resources, increase the cost of manpower and material resources, etc., and achieve the advantages of increasing porosity, good heat storage effect and simple preparation steps. Effect

Active Publication Date: 2018-09-11
SICHUAN COLLEGE OF ARCHITECTURAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is: for the technical scheme that does not yet utilize the sludge produced by urban domestic sewage treatment to prepare inorganic polymer building materials, the conventional harmless treatment of the sludge produced by sewage treatment will increase the manpower and material cost of treatment , causing technical problems of waste of resources, providing an inorganic polymer foam material prepared from sludge and a preparation method thereof

Method used

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  • Inorganic polymer foaming material prepared from sludge and preparing method of inorganic polymer foaming material
  • Inorganic polymer foaming material prepared from sludge and preparing method of inorganic polymer foaming material
  • Inorganic polymer foaming material prepared from sludge and preparing method of inorganic polymer foaming material

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Embodiment 1

[0041] Such as Figure 1-3 As shown, an inorganic polymer foaming material prepared by using sludge includes an inorganic polymer slurry prepared by mixing an aggregate composition and an alkali activator, and the aggregate composition includes sludge powder and an oxidizing agent. A powder material of aluminum and / or silicon oxide, the sludge powder is prepared by drying sludge. In this embodiment, preferably, the powder material includes a powder material prepared by mixing phosphorus slag powder and fly ash Active powder material, the particle size of the active powder material is less than 3 mm. In the case of a laboratory, it is preferable that the alkali activator is sodium hydroxide.

[0042] An inorganic polymer foaming material prepared from sludge in this embodiment uses sludge produced in sewage treatment as one of the raw materials, which provides a better way for sludge produced in sewage treatment and reduces sludge treatment. The cost of manpower and material reso...

Embodiment 2

[0045] Such as Figure 1-3 As shown, an inorganic polymer foaming material prepared from sludge in this embodiment has the same raw material components as in Example 1, except that the powder material also includes fiber powder and / or standard sand. The particle size of the inert powder material is less than 3mm. In this embodiment, the inert powder material is preferably prepared by mixing standard sand and fiber powder made from waste paper. It is prepared from waste paper through alkalization treatment, drying treatment, and pulverization treatment in sequence. The fiber powder has several powder masses, and the unit volume of the fiber powder includes 5%-30% powder mass. The diameter of the dough floc is less than 5 mm.

[0046] In this embodiment, an inorganic polymer foam material prepared from sludge is used to prepare fiber powder by processing waste paper, which provides a better way for the utilization of domestic waste paper and reduces the manpower and material resou...

Embodiment 3

[0049] Such as Figure 1-3 As shown, an inorganic polymer foaming material prepared from sludge in this embodiment has the same raw material components as in embodiment 2, except that the weight ratio of the raw materials in the inorganic polymer slurry is: sludge Powder: Phosphorus slag powder: Fly ash is 1:1:1; the weight ratio of the sludge powder to the standard sand is 1:(3-10); the weight ratio of the sludge powder to the fiber powder is 1 : (2-3); The weight ratio of the sludge powder to the alkali activator is 1: (0.4-1); it also includes water for reconciling the inorganic polymer slurry, the sludge powder and water The weight ratio is 1: (4.5-5).

[0050] In the raw material formula of an inorganic polymer foaming material prepared from sludge in this embodiment, the amount of each raw material component can be adjusted according to actual conditions to prepare inorganic polymer slurries with different gelation effects, and The weight of the sludge is used as the basi...

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Abstract

The invention relates to the field of preparation of inorganic polymer building materials, in particular to an inorganic polymer foaming material prepared from sludge and a preparing method of the inorganic polymer foaming material. The inorganic polymer foaming material comprises inorganic polymer slurry prepared by mixing an aggregate composition and an alkali activator. The aggregate composition comprises sludge powder and a powder material containing aluminum oxide and/or silicon oxide. The sludge powder is prepared by drying the sludge. The alkali activator comprises sodium hydroxide and/or sodium silicate. The good utilization approach is provided for sludge and industrial solid waste produced during urban sewage treatment, the labor and material consumption in the processing processis reduced, the environment pollution is reduced, and great economic environment-friendly benefits are achieved; meanwhile, through multiple times of stirring and standing treatment and fermenting oforganic mass in the sludge, bubbles in the slurry are increased to the maximum extent, and the prepared foaming material is high in porosity, high in water absorption rate and good in thermal insulation and heat storage effect.

Description

Technical field [0001] The invention relates to the field of preparation of inorganic polymer building materials, in particular to an inorganic polymer foaming material prepared by using sludge and a preparation method thereof. Background technique [0002] With the increasing population and increasing urbanization of the global society, the output of urban domestic sewage is increasing, and the sludge as a by-product of urban sewage treatment is also increasing. Sewage sludge is between liquid and solid. The thick material can be transported by pumps, but it is difficult to separate solid and liquid through sedimentation. At present, the sludge produced by urban sewage treatment is mainly treated by anaerobic, aerobic, composting or sanitary landfill. . [0003] However, the sludge produced by urban domestic sewage treatment contains a large amount of organic debris, inorganic particles, bacterial cells and colloids, and the water content can be as high as 99%. The sludge treatme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B38/02C04B18/04
CPCC04B28/006C04B38/025C04B2201/20C04B2201/50C04B22/062C04B18/0427C04B18/08C04B18/145C04B18/241C04B14/06Y02W30/91
Inventor 颜子博胡敏彭丽郭娜张钰明
Owner SICHUAN COLLEGE OF ARCHITECTURAL TECH
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