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Preparation method of inorganic polymer material based on industrial solid waste recycling

A solid waste, inorganic polymer technology, applied in cement production and other directions, can solve problems such as cost increase, and achieve the effect of strong bonding performance and high strength

Pending Publication Date: 2022-03-01
NANJING POLYTECHNIC INSITUTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] How to reduce the cost increase caused by purification, enrichment, etc. in the process of recycling industrial solid waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] An inorganic polymer material based on the recycling of industrial solid waste and its preparation method. The raw materials and content of the inorganic polymer material are: 63% coal gangue with an alumina content of 65% and a particle size of 3mm; Activated silica with a diameter of 50 μm; 10% activated alumina with a particle size of 4 μm; 10% activated alumina powder with a particle size of 95%; 5% corundum with a particle size of 1mm and an alumina content of 96%; 5% magnesium oxide ; 1% bentonite; 3% aluminum titanate, 2% silica-alumina sol powder, 1% polyphosphate.

[0022] Put each component into the mixer according to the above ratio, stir for 1 minute at an ambient temperature of 25°C, mix to form a dry mix, add 20% phosphoric acid and stir for 1 minute to form a wet mix, then put the wet mix into the mold, Use a vibrating rod to vibrate for 2 minutes, stand at 25°C and 80% humidity for 2 hours, then stand at 25°C and 80% humidity for 12 hours for curing, and...

Embodiment 2

[0024] An inorganic polymer material based on the recycling of industrial solid waste and its preparation method. The raw materials and content of the inorganic polymer material are: 30% alumina content 55%, blast furnace slag with a particle size of 5mm; 20% alumina 55% steel slag with particle size 1mm; 15% alumina content 55%, 1m particle size fly ash; 6% activated silica with particle size 1μm; 9% activated alumina with particle size 5μm; 5% alumina content 94% activated alumina powder, 20% corundum with a particle size of 2mm and 94% alumina content; 10% barium sulfate; 5% sillimanite; 3% aluminate; 2% metaphosphate.

[0025] Put each component into the mixer according to the above ratio, stir for 5 minutes at an ambient temperature of 30°C, mix to form a dry mix, add 50% ammonium dihydrogen phosphate and stir for 30 seconds to form a wet mix, and then put the wet mix into In the mold, use a vibrating rod to vibrate for 3 minutes, let it stand for 3 hours at 30°C and 70% ...

Embodiment 3

[0027] An inorganic polymer material based on the recycling of industrial solid waste and its preparation method. The raw materials and content of the inorganic polymer material are: 70% alumina content 35, aluminum ash with a particle size of 10mm; 20% particle size 1mm activated alumina; 15% activated alumina powder with 92% alumina content, 15% corundum with a particle size of 6mm and 93% alumina content; 6% strontium sulfate; 2% andalusite; 1% hydrated alumina Micronized powder, 3% polycarboxylate.

[0028] Put each component into the mixer according to the above ratio, stir for 2 minutes at an ambient temperature of 20°C, mix to form a dry mix, add 15% sodium dihydrogen phosphate and stir for 2 minutes to form a wet mix, and then put the wet mix into In the mold, use a vibrating rod to vibrate for 3 minutes, let it stand for 3 hours at 20°C and 60% humidity, then let it stand for 10 hours at 20°C and 60% humidity for curing, and finally dry it at 20°C for 18 hours. That ...

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Abstract

The invention provides a preparation method of an inorganic polymer material based on industrial solid waste recycling, which comprises the following steps: step S01, putting industrial solid waste, active silicon oxide, active aluminum oxide powder, a corundum composite additive and a water reducing agent into a stirrer, uniformly mixing to form a dry mixed material, s02, adding a liquid exciting agent into the uniformly stirred dry mixing material, and uniformly mixing again to obtain a wet mixing material, and S03, molding: putting the wet mixing material into a mold, and standing by in a vibration and vacuumizing mode; s04, the formed material is subjected to standing; and step S05, drying to obtain the inorganic polymer material. According to the method provided by the invention, the cost caused by purification, enrichment and the like in the current industrial solid waste recycling process is effectively reduced.

Description

technical field [0001] The invention belongs to the field of inorganic polymer materials, and relates to a preparation method of inorganic polymer materials, in particular to a preparation method of inorganic polymer materials based on industrial solid waste recycling. Background technique [0002] Solid waste has the characteristics of scattered sources, large output, complex composition, and sluggishness. Some of them also have dangerous characteristics such as toxicity, flammability, explosion, radioactivity, and corrosion. In the process, it will cause harm to the water body, the atmosphere, and the soil system, destroy the ecological environment, and even hinder the physical and mental health of human beings and the development of the country's social economy. [0003] The utilization of industrial solid waste as a resource is one of the important ways to achieve the healthy development of China's economy. At present, the resource utilization of industrial solid waste ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B7/153C04B7/24
CPCC04B28/006C04B7/24C04B7/243C04B7/153C04B2111/00017C04B2201/50C04B2103/302C04B14/303C04B18/146C04B18/14C04B22/066C04B14/104C04B22/08C04B22/06C04B22/16C04B22/165C04B22/142C04B24/24Y02P40/10
Inventor 李连地陈健潘勇黄裕娥杨红鑫余佳辰岳子豪
Owner NANJING POLYTECHNIC INSITUTE
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