Method for producing road brick by using titanium dioxide gypsum yellow mud

A technology of titanium dioxide and yellow mud, which is applied in the field of ceramic building materials, can solve the problems of increasing natural resource consumption and exploitation, low product quality, and large consumption of raw materials, and achieve the effects of solving ecological and environmental protection problems, high economic value, and low cost

Pending Publication Date: 2021-05-04
白振福 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the road bricks supplied in the market are all cement products, which are labor-intensive products with low production efficiency, high unit cost, low product quality and large consumption of raw materials
In this production chain, a large amount of cement and sand and gravel are consumed, which will also increase the consumption and exploitation of natural resources
At the same time, after a long period of rain and weathering, the physical properties of cement products are greatly reduced. Moreover, the pigments used for decoration on the surface will gradually fade away because they are only physical coatings, which will seriously affect their quality. The use of performance and functions greatly shortens its life cycle

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A method for making road bricks from gypsum yellow mud, the preparation process is as follows:

[0029] Titanium dioxide gypsum yellow mud will lose water and dry out after being piled for a long time. The dried gypsum yellow mud is crushed with simple grinding equipment, and its fineness can be controlled at 150 mesh or finer. Do the same fine-graining process with the same clay additive, mix them together according to different proportions of gypsum yellow mud 70-90, and clay additive 30-10, add 7-9% water at the same time, and put it into the mixer Fully mix and stir in the container, then put it into the storage bin to seal and stale for later use. After the material is stale for 24 hours, it can enter the production line for pressing, drying and firing.

Embodiment 2

[0031] A method for making road bricks from gypsum yellow mud, the preparation process is as follows:

[0032] Add the gypsum yellow mud directly and clay additives into the ball mill. The gypsum yellow mud used at this time may be just produced from the production line. Ensure the weight components of the dry base gypsum yellow mud so that it can accurately implement the proportioning of dry base materials. This proportion is 70-90 for gypsum yellow mud and 30-10 for clay additives. In the process of ball milling, a certain amount of water still needs to be added as a dispersant to make the paste-like material into a slurry-like material with a certain fluidity, so that it can be discharged from the mill. Since gypsum yellow mud itself is a relatively fine material, and clay additives are also relatively easy to grind, so this process only needs to add a certain amount of debonding agent to adjust the physical properties of the mud. The grinding time is 30-40 The fineness of...

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Abstract

The invention discloses a method for resourceful treatment and utilization of titanium dioxide waste residue gypsum yellow mud and a method for producing a ceramic building material product road brick by using the method, and relates to the field of ceramic building materials. The method comprises the following steps: mixing 70-90 parts of gypsum yellow mud and 30-10 parts of clay raw materials according to a mixing ratio, preparing powder containing certain moisture, carrying out compression molding, drying and sintering to prepare a required ceramic building material product, and preparing building material products such as road bricks, roofing tiles and the like according to requirements. The method has the characteristics that the treatment consumption of the waste residues is large, and the treatment requirements of titanium dioxide enterprises can be met; meanwhile, the produced ceramic building material product is low in cost and good in performance. The waste is turned into wealth so that the industrial waste residues are recycled to the maximum extent, the production cost of ceramic building material products is reduced, and the problem of increasingly shortage of ceramic raw materials is solved.

Description

technical field [0001] The invention relates to the technical field of ceramic building materials, and in particular to the production of ceramic building material products such as road bricks and roof tiles by utilizing titanium gypsum yellow mud waste residue produced in the industrial production of titanium dioxide. Background technique [0002] With the development of our country's social economy, the scale of industrialization has also expanded, accompanied by a large amount of industrial waste. If there is disorderly management, it will cause a lot of pollution. A large amount of waste residue will be produced in the production of titanium dioxide by sulfuric acid method. Because the main component is dihydrate gypsum, the appearance is yellow and red paste, so it is called gypsum yellow mud or red mud, and some people simply call it titanium gypsum, Gypsum mud or yellow mud, red mud are collectively referred to as gypsum yellow mud in the present invention. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/132C04B33/24
CPCC04B33/1321C04B33/24C04B2235/448Y02P40/60
Inventor 不公告发明人
Owner 白振福
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