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Method for preparing foamed ceramic by taking navajoite tailings as main material

A technology of vanadium ore tailings and foamed ceramics, which is applied in the direction of ceramic products, ceramic material production, clay products, etc., can solve the problems of lack of treatment and utilization technology, negative effects of industrial sustainable development, etc., to increase the amount of mixing, realize The effect of making full use of and reducing the preparation cost

Active Publication Date: 2022-06-03
XIAN RES & DESIGN INST OF WALL & ROOF MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the lack of effective treatment and utilization technology, it has an increasingly serious negative effect on the sustainable development of the industry

Method used

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  • Method for preparing foamed ceramic by taking navajoite tailings as main material
  • Method for preparing foamed ceramic by taking navajoite tailings as main material
  • Method for preparing foamed ceramic by taking navajoite tailings as main material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] like figure 1 As shown, this embodiment includes the following steps:

[0033] Step 1: Mixing ratio design: carry out chemical composition detection on vanadium ore tailings, and then calculate the required raw material, main material, vanadium ore tailings and auxiliary material conditioning agents, including conditioning agent 1 and conditioning agent 2, according to the composition of the target product foamed ceramics. , and the quality of the blowing agent;

[0034] Step 2, raw material pretreatment: the vanadium ore tailings are crushed by a pair of roller crushers, and then passed through a 100-mesh vibrating screen to obtain the coarse material 1 on the screen and the fine material 1 on the screen;

[0035] Described vanadium ore tailings are the tailings after the extraction of vanadium ore in Shangluo Shanyang County, Shaanxi Province, and the mass content of water in the vanadium ore tailings is 2%, the mass content of silicon dioxide is 79.13%, and the spec...

Embodiment 2

[0052] like figure 1 As shown, this embodiment includes the following steps:

[0053] Step 1: Mixing ratio design: carry out chemical composition detection on vanadium ore tailings, and then calculate the required raw material, main material, vanadium ore tailings and auxiliary material conditioning agents, including conditioning agent 1 and conditioning agent 2, according to the composition of the target product foamed ceramics. , and the quality of the blowing agent;

[0054] Step 2, raw material pretreatment: the vanadium ore tailings are crushed by a pair of roller crushers, and then passed through a 100-mesh vibrating screen to obtain the coarse material 1 on the screen and the fine material 1 on the screen;

[0055] Described vanadium ore tailings are the tailings after the vanadium ore extraction in Shangluoshan Yang County, Shaanxi Province, and the mass content of water in the vanadium ore tailings is 3%, the mass content of silicon dioxide is 75.16%, and the specifi...

Embodiment 3

[0071] like figure 1 As shown, this embodiment includes the following steps:

[0072] Step 1. Mixing ratio design: carry out chemical composition detection on vanadium ore tailings, and then calculate the required raw material, main material, vanadium ore tailings and auxiliary material conditioning agents, including conditioning agent 1 and conditioning agent 2, according to the composition of the target product foamed ceramics. , and the quality of the blowing agent;

[0073]Step 2, raw material pretreatment: the vanadium ore tailings are crushed by a pair of roller crushers, and then passed through a 100-mesh vibrating screen to obtain the coarse material 1 on the screen and the fine material 1 on the screen;

[0074] Described vanadium ore tailings are tailings after the extraction of vanadium ore in Shangluo Shanyang County, Shaanxi Province, and the mass content of water in the vanadium ore tailings is 1%, the mass content of silicon dioxide is 84.23%, and the specific ...

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Abstract

The invention discloses a method for preparing foamed ceramic by using vanadium ore tailings as a main material, which is characterized in that the foamed ceramic is prepared by using the vanadium ore tailings as the main material and a conditioner as an auxiliary material through mixing and powdering, granulating and sintering processes. According to the method, the vanadium ore tailings serve as the main material, the conditioner is added to prepare the foamed ceramic, the foaming uniformity degree is guaranteed, meanwhile, the strength and quality of the foamed ceramic are improved, the prepared foamed ceramic product meets the national standard requirement, the doping amount of the vanadium ore tailings is increased, utilization of the vanadium tailings is achieved, and the comprehensive treatment problem of the vanadium tailings is solved; the problems of high mixing energy consumption and high water consumption of a traditional preparation method are solved, energy and water are saved, and the preparation cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of comprehensive utilization of tailings, and in particular relates to a method for preparing foamed ceramics by using vanadium ore tailings as a main material. Background technique [0002] At present, sodium roasting of vanadium ore is the mainstream process for vanadium extraction. This process uses soda ash, table salt, etc. as additives to convert low-valent vanadium in vanadium ore into water-soluble pentavalent vanadate sodium salt through high-temperature sodium oxidation. Vanadium chemical products such as vanadium oxide and vanadium alloy are produced through subsequent product transformation. However, for a long time, the traditional vanadium chemical metallurgical process has produced a large amount of solid waste, mainly vanadium ore tailings after vanadium extraction. The vanadium ore tailings alone reach nearly one million tons every year, and it is increasing year by year. Due to the lack o...

Claims

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Application Information

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IPC IPC(8): C04B38/10C04B33/16C04B33/138C04B33/13
CPCC04B38/10C04B33/16C04B33/138C04B33/13C04B2235/6562C04B2235/6567C04B2235/661C04B2235/77C04B2235/96C04B2235/9607C04B38/0067Y02P40/60
Inventor 权宗刚唐玉娇梁栋陈媛媛冯晓兰刘蓉张成林
Owner XIAN RES & DESIGN INST OF WALL & ROOF MATERIALS CO LTD
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