Boron mud-lead-zinc slag sintering product and manufacturing method thereof

A technology for sintered products and manufacturing methods, applied in clay products, other household appliances, sustainable waste treatment and other directions, can solve problems such as environmental pollution, land resource conservation, and prohibition of the use of clay solid bricks, achieve significant economic and social benefits, reduce The effect of building energy consumption and environmental protection

Inactive Publication Date: 2008-12-24
肖金新
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To solve the problems of environmental pollution caused by boron mud, mineral processing by-products (industrial waste residues such as lead-zinc slag), land resource conservation, recycling of waste to farmland, prohibition of the use of clay solid bricks, urban construction and beautification problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment ( 1

[0014] Production of sintered ordinary bricks

[0015] Take 35-45% of boron mud and 65-55% of lead-zinc slag to measure in proportion, stir, finely crush, add water and stir, pre-extrude, vacuum-extrude, dry to make the moisture content <6%, and then enter the kiln for calcination. The calcination time is 10-16 hours, the calcination temperature is 1050°C-1150°C, and the residence time in the high temperature section is 2-4 hours. When the brick temperature cools down to 80°C, it can come out of the kiln.

Embodiment ( 2

[0017] Production of sintered porous bricks and hollow bricks

[0018] Take 25-40% of boron mud and 75-60% of lead-zinc slag to measure in proportion, mix, finely crush, add water and stir, pre-extrude, vacuum-extrude, dry to make the water content <4%, and then enter the kiln for calcination. The calcination time is 10-14 hours, the calcination temperature is 1050°C-1100°C, and the residence time in the high temperature section is 2-3 hours. When the brick temperature cools down to 60°C, it can come out of the kiln.

Embodiment ( 3

[0020] Production of sintered sintered thunderbolt bricks and pavement bricks

[0021] Take 25-40% of boron mud and 75-60% of lead-zinc slag, measure in proportion, mix, finely crush, add water and stir, pre-extrude, vibrate and press to form, dry to make the moisture content <2%, and then enter the kiln for calcination. 10 to 16 hours, the firing temperature is 1050°C to 1150°C, and the residence time in the high temperature section is 2 to 4 hours. When the brick temperature cools down to 70°C, it can come out of the kiln.

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PUM

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Abstract

The invention relates to a building materials for industry and civilian use, specifically to a boric sludge-lead zinc slag sintered product and a method for producing thereof characterized by preparing the product by mixing, fine crushing, stirring with water, pre-extrusion, extrusion under vacuum or vibrative pressure molding, drying, calcination using 25-45% of boric sludge and 75-55% of lead-zinc slag as materials. The product of the invention is a new industrial and civil building material, and the materials the invention used is all waste slag without resource materials, while the product has advantages of stable performance and wide usage, accords with a plurality of national industry policies and has significant economic and social benefits.

Description

technical field [0001] The invention relates to an industrial and civil building material, a boron mud-lead-zinc slag sintered product and a manufacturing method thereof. Background technique [0002] At present, the sintered products for construction produced by using industrial waste residues are mostly made of fly ash, slag, bentonite, etc., which are sintered in a certain proportion. However, fly ash discharged from power plants has been used in large quantities in cement ingredients (replacing clay), commercial concrete, mass concrete, road engineering, and cement products; blast furnace slag discharged from steel refining is mostly used in cement mixtures, and the supply is now in short supply. Only waste slag (lead-zinc slag, molybdenum slag, nickel slag, etc.) discharged from mineral processing and boron mud discharged from borax production pile up like a mountain, flowing everywhere when it rains, and dusty when it blows. It not only pollutes the environment, but a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B18/04C04B18/14C04B33/132C04B33/138
CPCY02P40/60Y02W30/91
Inventor 田昕姚常华李玉升
Owner 肖金新
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