Novel haydite concrete light-weight building block walling material and preparation method thereof

A ceramsite concrete and wall material technology, applied in ceramic products, solid waste management, other household appliances, etc., can solve the problems of less than 3.5Mpa, strength less than 5Mpa, restricting the use of external walls, etc., and prolong the service life. , the effect of saving resources and saving cement consumption

Active Publication Date: 2011-06-29
中山建华墙体材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the production of aerated concrete is generally made of cement, lime, sand or fly ash, gypsum, aluminum powder, etc. The general strength of aerated concrete is lower than 5Mpa, and the strength of aera

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The production specification is 390×190×190 (mm) ceramsite solid brick, which is a new type of wall material for ceramsite concrete lightweight block. Dry and grind construction sand with a silica content greater than 90% to a specific surface area of ​​400m 2 / kg of silica sand powder;

[0023] The above-mentioned silica sand powder and fly ash above grade 32.5: tailings: ceramsite: boiler slag: water: blowing agent = 0.11: 1: 1: 1.3: 1.5: 0.30: 0.0021 The ratio of each material is weighed, first Add silica sand powder, cementitious material, tailings, ceramsite, boiler slag, and water into a forced mixer and stir for 180s to make it evenly mixed; quickly add foaming agent and stir for 30 seconds;

[0024] Feed the mixed material into the cleaned ceramsite solid brick mould, extrude it, and after natural curing for 3 hours, then maintain it for 2 hours at a temperature of 175°C and a pressure of 0.9Mpa under high pressure. Test the compressive strength of the new wal...

Embodiment 2

[0026] The production specification is 390×140×190 (mm) ceramsite solid brick, which is a new type of wall material for ceramsite concrete lightweight block. The crushed quartz stone with a silica content greater than 90% is dried and ground to a specific surface area of ​​500m 2 / kg of silica sand powder;

[0027] Weigh the above-mentioned silica sand powder and Portland cement above grade 32.5: tailings: ceramsite: boiler slag: water: foaming agent = 0.43: 1: 2.6: 3.4: 3.5: 0.50: 0.0050 and weigh each material, first Add silica sand powder, cementitious material, tailings, ceramsite, boiler slag, and water into a forced mixer and stir for 240 seconds to make it evenly mixed; quickly add foaming agent and stir for 30 seconds;

[0028] Feed the mixed material into the cleaned ceramsite solid brick mould, and form it by extrusion. After the temperature is 80°C, the normal pressure steam is cured for 2.0 hours, and then the temperature is 190°C, and the pressure is 1.25Mpa. Hig...

Embodiment 3

[0030] The production specification is 390×115×190 (mm) ceramsite solid brick, which is a new type of wall material for ceramsite concrete lightweight block. Dry and grind construction sand with a silica content greater than 90% to a specific surface area of ​​450m 2 / kg of silica sand powder;

[0031] The above-mentioned silica sand powder and portland cement above grade 32.5: tailings: ceramsite: boiler slag: water: foaming agent = 1.5: 1: 1.6: 1.8: 2.1: 0.4: 0.0035 The ratio of each material is weighed, first Add silica sand powder, cementitious material, tailings, ceramsite, boiler slag, and water into a forced mixer and stir for 210 seconds to make it evenly mixed; quickly add foaming agent and stir for 30 seconds;

[0032] Feed the mixed material into the cleaned ceramsite solid brick mould, and form it by extrusion. The temperature is 60°C, the normal pressure steam is cured for 1.0 hours, and then the pressure is 1.1Mpa at 180°C. High pressure curing for 3 After test...

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Abstract

The invention discloses a novel haydite concrete light-weight building block walling material and a preparation method thereof. The walling material is prepared from a cementing material, haydite, boiler slag, water and silica sand powder. The preparation method comprises the following steps: drying building sand of which the content of silicon dioxide is greater than 90%, or crushed quartzite, and grinding to obtain silica sand powder of which the specific area is 400-500m<2>/kg; weighing 0.11-0.43 part of silica sand powder, 1 part of cementing material, 1-2.6 parts of tailings, 1.3-3.4 parts of haydite, 1.5-3.5 parts of boiler slag, 0.30-0.50 part of water and 0.0021-0.0050 part of foaming agent; adding the silica sand powder, cementing material, tailings, haydite, boiler slag and water into a forced mixer, evenly mixing, quickly adding the foaming agent, and mixing for 30 seconds; and evenly filling the mixture in a die, carrying out extrusion forming, carrying out natural curing or atmospheric steam curing, and curing at 175-190 DEG C under high pressure for 2-6 hours, thereby obtaining the walling material.

Description

technical field [0001] The invention relates to a novel wall material of ceramsite concrete lightweight blocks, and also relates to a method for preparing the novel wall material of ceramsite concrete lightweight blocks. Background technique [0002] In the prior art, the production of aerated concrete is generally made of cement, lime, sand or fly ash, gypsum, aluminum powder, etc. The general strength of aerated concrete is lower than 5Mpa, and the strength of aerated concrete sold on the market is mostly lower than 3.5Mpa. And aerated concrete has strong water absorption and insufficient hanging force, which seriously restricts the use of new wall materials for exterior walls. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art, to provide a kind of industrial waste slag that can make full use of, the production cost is relatively low, and has light bulk density, high strength, low thermal conductivit...

Claims

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Application Information

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IPC IPC(8): C04B38/02C04B28/04C04B28/00C04B18/10C04B14/06
CPCC04B28/02Y02W30/91C04B14/06C04B18/023C04B18/067C04B18/08C04B18/12C04B20/0076C04B20/026C04B38/10C04B40/0032C04B40/0259C04B40/024
Inventor 宋震峰
Owner 中山建华墙体材料有限公司
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