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Method for applying flue gas desulfurization ash modified material to wall plastering material

A technology of modified materials and desulfurization ash, applied in the direction of climate sustainability, solid waste management, sustainable waste treatment, etc., can solve the problem of not really solving the problem of CaSO3 modification of desulfurization ash, not involving coatings, etc., to achieve saving The effect of processing steps, ensuring no foaming, and speeding up construction

Active Publication Date: 2018-03-06
郴州市智存知识产权服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Although the above-mentioned patents all involve the application of desulfurization ash, careful analysis reveals that these patents do not really solve the problem of CaSO in desulfurization ash. 3 Therefore, its application is still limited to the use of desulfurized ash as a cement additive or slag, and as an additive for cement materials. The application is still very limited, and there is no report involving the application of coatings as the main component, so it is still to be further improved

Method used

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  • Method for applying flue gas desulfurization ash modified material to wall plastering material

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Embodiment 1

[0032] A method for applying flue gas desulfurization ash modified material to wall plastering materials. First, the flue gas desulfurization ash is modified so that calcium oxide in the flue gas desulfurization ash is converted into calcium hydroxide, and calcium sulfite is converted into sulfuric acid. Calcium, so as to obtain modified desulfurization ash; then use modified desulfurization ash as the main material, mix with alum powder, double fly powder and water retaining agent, after reconciliation treatment, get the stucco material applied to the wall. The proportion by weight of modified desulfurization ash, alum powder, double fly powder and water retaining agent is as follows:

[0033] Modified desulfurization ash 80-95%;

[0034]Alum powder 2-8%;

[0035] Shuangfei powder 0-15%;

[0036] Water retaining agent 0-5%.

[0037] The preparation method of the plastering material of the body of wall is:

[0038] 1. Convert the calcium oxide in the semi-dry desulfurizati...

Embodiment 2

[0041] A method for applying the flue gas desulfurization ash modified material to the wall plastering material. First, the flue gas desulfurization ash is modified so that the calcium oxide in the flue gas desulfurization ash is converted into calcium hydroxide, and the calcium sulfite is converted into sulfuric acid. Calcium, so as to obtain modified desulfurization ash; then use modified desulfurization ash as the main material, mix with alum powder, double fly powder and water retaining agent, after reconciliation treatment, get the stucco material applied to the wall. The proportion by weight of modified desulfurization ash, alum powder, double fly powder and water retaining agent is as follows:

[0042] Modified desulfurization ash 85-90%;

[0043] Alum powder 4-6%;

[0044] Shuangfei powder 0-8%;

[0045] Water retaining agent 2-3%.

[0046] The preparation method of the plastering material of the body of wall is:

[0047] 1. Convert the calcium oxide in the semi-dr...

Embodiment 3

[0050] A method for applying the flue gas desulfurization ash modified material to the wall plastering material. First, the flue gas desulfurization ash is modified so that the calcium oxide in the flue gas desulfurization ash is converted into calcium hydroxide, and the calcium sulfite is converted into sulfuric acid. Calcium, so as to obtain modified desulfurization ash; then use modified desulfurization ash as the main material, mix with alum powder, double fly powder and water retaining agent, after reconciliation treatment, get the stucco material applied to the wall. The proportion by weight of modified desulfurization ash, alum powder, double fly powder and water retaining agent is as follows:

[0051] Modified desulfurization ash 85%;

[0052] Alum powder 6%;

[0053] Double fly powder 5%;

[0054] Water retention agent 4%.

[0055] The preparation method of the plastering material of the body of wall is:

[0056] 1. Convert the calcium oxide in the semi-dry desulf...

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Abstract

The invention provides a method of applying a flue gas desulfurization ash modified material to a wall whitewashing material.Firstly, flue gas desulfurization ash is modified, so that calcium oxide in the flue gas desulfurization ash is converted into calcium hydroxide, calcium sulfite is converted into calcium sulfate, and accordingly modified desulfurization ash is obtained; the modified desulfurization ash serves as a raw material, alum and other auxiliary materials are used, and the whitewashing material used for a wall is obtained through blending processing.The weight percentages of the modified desulfurization ash, alum powder, heavy calcium carbonate powder and a water-retaining agent are 80-95%, 2-8%, 0-15% and 0-5% respectively.The modified desulfurization ash and the alum powder are mixed, aluminium potassium sulfate in alum can be easily hydrolyzed into aluminum hydroxide which belongs to inorganic gel materials, and calcium hydroxide and calcium sulfate are inorganic gel materials.The modified desulfurization ash is the main component of the wall material, and the resource regeneration function is achieved.

Description

technical field [0001] The present invention relates to an application method of a modified material, in particular to an application method of a semi-dry desulfurization ash modified material after flue gas desulfurization, which is mainly used for the application of CFB (circulating fluidized bed desulfurization technology) The invention relates to the application and treatment of modified desulfurization ash in an environmental protection project dealing with flue gas; it belongs to the field of environmental protection technology. Background technique: [0002] In recent years, the country has vigorously promoted green production, and the treatment of three wastes in industrial production has been raised to an unprecedented height. The treatment of sulfur dioxide in industrial flue gas is one of the current important courses. In order to meet the environmental protection indicators required by the state, in the current glass industry, the CFB desulfurization process tech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14C04B20/02C04B18/06
CPCC04B18/062C04B20/023C04B28/146C04B2111/00482C04B22/148C04B14/28C04B2103/465Y02W30/91
Inventor 阳小宇刘四清陈立新刘力武石克明隆平游金坤龙立华吴新华石慧
Owner 郴州市智存知识产权服务有限公司
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