Method for preparing anti-freezing abrasion-resistant baking-free brick by hematite tailing-slag-phosphate tailing sand

A technology of hematite tailings and phosphorous tailings sand, which is applied in the field of preparation of antifreeze, wear-resistant and non-burning bricks, which can solve the problems of land occupation, environmental problems, and cost of funds, so as to reduce stiffness, improve mechanical properties, and improve impermeability sexual effect

Inactive Publication Date: 2018-12-25
枞阳县天筑新型建筑材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It not only costs money and occupies land but also brings a series of environmental and safety problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A method for preparing frost-resistant and wear-resistant non-burning bricks with hematite tailings-slag-phosphorus tailings sand, characterized in that it comprises the following steps:

[0026] (1) Pretreatment method of glass fiber:

[0027] Put 1 part of glass fiber into a 95-105°C water bath and boil for 1 hour. After cooling, take it out and dry it. Add it into lactic acid and mix it well. After soaking for 1 hour, take it out, wash it with distilled water and dry it, then add it to the KH550 coupling agent solution. Fully stir and mix, take out after soaking for 1 hour, and place in an oven to dry;

[0028] (2) Modification of steel fiber:

[0029] First put 1 part of steel fiber in a box-type electric furnace, heat it to 290-310°C for 1 hour, then heat it to 590-610°C for 1 hour, then open the furnace door, cool it down to room temperature naturally, and add it to the styrene-butadiene emulsion , mixing and stirring modification;

[0030] (3) Preparation of s...

Embodiment 2

[0039] A method for preparing frost-resistant and wear-resistant non-burning bricks with hematite tailings-slag-phosphorus tailings sand, characterized in that it comprises the following steps:

[0040] (1) Pretreatment method of glass fiber:

[0041] Put 2 parts of glass fiber into a water bath at 95-105°C and boil for 2 hours, take it out after cooling and dry it, add it to lactic acid and mix it well, take it out after soaking for 2 hours, wash it with distilled water and dry it, add it to the KH550 coupling agent solution, Fully stir and mix, take out after soaking for 2 hours, and dry in an oven;

[0042] (2) Modification of steel fiber:

[0043] First put 2 parts of steel fiber in a box-type electric furnace, heat to 290-310°C for 2 hours, then heat to 590-610°C for 2 hours, then open the furnace door, cool to room temperature naturally, and add it to the styrene-butadiene emulsion , mixing and stirring modification;

[0044] (3) Preparation of slag-phosphorus tailing...

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Abstract

The invention discloses a method for preparing an anti-freezing abrasion-resistant baking-free brick by hematite tailings-slag-phosphate tailing sand. The method includes the steps: drying steel slagand slag in a baking oven, placing mixture into a ball grinder to grind the mixture into ultra-fine powder, placing steel slag powder, slag powder, limestone powder and phosphogypsum into a cement mortar stirrer to dryly stir mixture, adding water to wetly stir mixture, and adding phosphate tailing sand to stir mixture to prepare a slag-phosphate tailing sand mixed material; adding hematite tailings, aggregate and cementing materials into the cement mortar stirrer to dryly stir mixture, adding additives, water, pretreated glass fibers, modified steel fibers and the slag-phosphate tailing sandmixed material to wetly stir mixture, adding the stirred material into a stainless steel die, setting forming pressure on a microprocessor control electric-liquid pressure tester, performing pressingformation, setting steam-cure temperature and wet and heat curing, and naturally curing to prepare the baking-free brick. The baking-free brick has excellent permeability resistance, freezing resistance, abrasion resistance, softening resistance and alkali resistance.

Description

technical field [0001] The invention belongs to the technical field of non-burning bricks, and in particular relates to a method for preparing frost-resistant and wear-resistant non-burning bricks by using hematite tailings-slag-phosphorus tailings sand. Background technique [0002] Phosphorus tailings are unutilized solid waste discharged from phosphate ore flotation concentrates. due to our country [0003] The grade of raw phosphate rock is not high, resulting in a large amount of phosphorus tailings produced by the phosphating chemical industry every year, which are not fully utilized, and are generally in the form of fine sand and naturally piled up in tailings ponds. It not only costs money and occupies land, but also brings a series of environmental and safety problems. Turning phosphorus tailings into treasure is an inevitable requirement for the sustainable development of my country's industry, and it is also a long-term solution for building a harmonious society...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B20/02C04B20/04C04B14/42C04B14/48C04B111/20C04B111/27
CPCC04B28/14C04B20/023C04B20/04C04B2111/20C04B2111/2038C04B2111/27C04B2111/29C04B7/00C04B14/42C04B14/48C04B18/141C04B18/142C04B14/28C04B22/144C04B18/12C04B14/02C04B14/068C04B24/122C04B24/18
Inventor 方明珠
Owner 枞阳县天筑新型建筑材料有限公司
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