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Titanium gypsum foamed building block and preparation method thereof

A technology of titanium gypsum and blocks, which is applied in the field of titanium gypsum foam blocks and its preparation, can solve the problems of large economic burden, complex process, and environmental pollution, and achieve the improvement of porosity and uniformity of pores, the promotion of molding, and the weakening of acidity Effect

Inactive Publication Date: 2013-12-25
浙江沐轩科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Due to the deficiencies in the existing technology, such as: "Moisture-proof titanium gypsum hollow block and its preparation method", the disadvantage of this method is that the process is complicated, and titanium gypsum needs to be dried and calcined; "Method for preparing gypsum block by using titanium gypsum 》The disadvantage of this method is that the titanium gypsum should be dehydrated and dried
The discharge of titanium gypsum not only occupies a large amount of land and pollutes the environment, but also causes a great economic burden to titanium dioxide enterprises

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) 5 parts by weight of bone glue, 10 parts by weight of ox horn powder, 35 parts by weight of oat protein, 2 parts by weight of sodium hydroxide, 1 part by weight of polyoxyethylene octyl phenol ether and 200 parts by weight of water Mixed in the reactor, at 85 o After reacting at a temperature of C for 2 hours, filter to obtain the first mixed solution;

[0026] (2) Mix the above-mentioned first mixed solution with 1 part by weight of sodium lauryl alcohol monoester sulfonate, 6 parts by weight of lauryldiethanolamine, 1 part by weight of lauryl amidopropyl betaine, 0.7 parts by weight of methyl glucoside dioleate mixed at 50 o Stirring at C temperature for 0.5 hour to obtain the second mixed solution;

[0027] (3) Mix the second mixed solution with 1 part by weight of sodium bisulfite, 4 parts by weight of gelatin, and 3 parts by weight of sodium hydroxide, and stir at room temperature for 0.5 hours to obtain a third mixed solution;

[0028] (4) concentrating the...

Embodiment 2

[0032] (1) 8 parts by weight of bone glue, 13 parts by weight of ox horn powder, 40 parts by weight of vegetable protein, 3 parts by weight of sodium hydroxide, 2 parts by weight of polyoxyethylene octyl phenol ether and 220 parts by weight of water Mixed in the reactor, at 90 o After reacting at a temperature of C for 2.5 hours, filter to obtain the first mixed solution;

[0033] (2) Mix the above-mentioned first mixed solution with 2 parts by weight of sodium lauryl alcohol monoester sulfonate, 10 parts by weight of lauryl diethanolamine, 2 parts by weight of lauryl amidopropyl betaine, 1 part by weight of methyl glucoside dioleate mixed at 60 o Stirring at C temperature for 1 hour to obtain the second mixed solution;

[0034] (3) Mix the above-mentioned second mixed solution with 2 parts by weight of sodium bisulfite, 5 parts by weight of gelatin, and 4 parts by weight of sodium hydroxide, and stir at room temperature for 0.5 hours to obtain a third mixed solution;

[00...

Embodiment 3

[0039] (1) 6 parts by weight of bone glue, 11 parts by weight of ox horn powder, 38 parts by weight of vegetable protein, 2.5 parts by weight of sodium hydroxide, 2 parts by weight of polyoxyethylene octyl phenol ether and 215 parts by weight of water Mixed in the reactor, at 90 o After reacting at a temperature of C for 2.5 hours, filter to obtain the first mixed solution;

[0040] (2) Mix the above-mentioned first mixed solution with 2 parts by weight of sodium lauryl alcohol monoester sulfonate, 8 parts by weight of lauryl diethanolamine, 2 parts by weight of lauryl amidopropyl betaine, 0.8 parts by weight of methyl glucoside dioleate mixed at 57 o Stirring at C temperature for 1 hour to obtain the second mixed solution;

[0041] (3) Mix the above-mentioned second mixed solution with 1.5 parts by weight of sodium bisulfite, 4 parts by weight of gelatin, and 4 parts by weight of sodium hydroxide, and stir at room temperature for 0.5 hours to obtain a third mixed solution;

...

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Abstract

The invention discloses a titanium gypsum foamed building block and a preparation method thereof. The titanium gypsum foamed building block is prepared from the following raw materials: 440-460 parts by weight of titanium gypsum, 200-250 parts by weight of cement, 1-4.5 parts by weight of foaming agent and 150-300 parts by weight of water, wherein the foaming agent is composed of the following substances by weight percent: 1-2% of sodium hydrogen sulfite, 1-2% of sodium sulfosuccinate lauric alcohol mono ester, 5-7% of sodium hydroxide, 5-8% of bone glue, 10-13% of ox horn powder, 35-40% of vegetable protein, 6-10% of lauric diethanolamide, 4-5% of gelatin, 1-2% of polyoxyethylene octyl phenol ether, 1-2% of lauramidopropyl dimethylamine ethyllactone, 0.7-1% of methyl glucose dioleate and the balance of water. The foaming agent is prepared by a three-step mixed method which specifically comprises the following steps of: selecting the components of the foaming agent, mixing the components according to a certain order at a specific temperature for certain time and then reacting the mixture; consequently, the foaming agent is capable of improving the porosity and pore homogeneity of the titanium gypsum building block. The titanium gypsum foamed building block has the following properties that softening coefficient is greater than or equal to 0.67; dry density is less than or equal to 620 kg / m<3>; compressive strength is greater than or equal to 5 MPa.

Description

technical field [0001] The invention belongs to the technical field of building materials, and relates to a titanium gypsum foaming block using leftover waste produced by titanium dioxide as a raw material and a preparation method thereof. Background technique [0002] Titanium gypsum is a waste residue with dihydrate gypsum as the main component produced by adding lime (or calcium carbide slag) to neutralize a large amount of acid wastewater in order to treat acid wastewater when sulfuric acid method is used to produce titanium dioxide. It contains certain impurities and generally has The nature of the following aspects. High water content, high viscosity, high impurity content; weakly acidic; when it comes out of the waste residue treatment workshop, it is grayish brown at first, and ferrous ions are gradually oxidized to ferric ions in the air and turn red (yellowish) , so it is also known as red mud, red and yellow gypsum; therefore, it can be used to make unburned bric...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B24/32C04B24/14C04B22/06C04B38/02
Inventor 郑蓓蓓
Owner 浙江沐轩科技有限公司
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