CN103771894A - Aerated brick with anti-freezing function and preparation method thereof - Google Patents

Abstract

The invention discloses an aerated brick with an anti-freezing function. The aerated brick is characterized by being prepared from the following raw materials in parts by weight: 20-25 parts of lead-zinc tailing powder, 17-19 parts of household garbage, 11-14 parts of lime, 0.2-0.5 part of aluminum powder, 5-7 parts of phosphate cement, 10-13 parts of natural yellow sand, 2-4 parts of potassium sulfate, 1-4 parts of EDTMP.Na5, 2-5 parts of ammonium bicarbonate, 0.3-0.6 part of tara gum, 0.2-0.4 part of tamarind gum, 1-3 parts of soda ash, 3-5 parts of chestnut shells, 0.5-0.7 part of gelatin, 0.1-0.3 part of dried tangerine peel, 0.3-0.5 part of moxa leaves, 4-6 parts of auxiliaries and a proper volume of water. The prepared aerated brick disclosed by the invention has good anti-freezing property; through adding proper auxiliaries and foam stabilizer, the toughness of the aerated brick is improved, and the permeation resistance is improved; moreover, the processing process is simple and easy to implement, the production cost can be reduced, the cyclic economy effect of changing the waste into the valuable is realized, and the competitiveness of the product is improved.

Description

A kind of aerated bricks with antifreeze function and preparation method thereof

Technical field

The present invention relates to aerated bricks technical field, be specifically related to a kind of aerated bricks with antifreeze function and preparation method thereof.

Background technology

In recent years, along with the quickening of process of industrialization and the raising of the level of urbanization, also various environmental stresss and problem have been brought, the various solid wastes that Industrial processes produce and urban construction are removed and are remake the solid waste brought etc. and perplexing always resident's living environment, the present invention adds in aerated bricks solid waste as starting material, realize the cyclic utilization of waste, reduced the pollution to environment, met strategy of sustainable development requirement.

Aerated bricks is the air-entrained concrete building block of producing by autoclave at high temperature apparatus and process.Air-entrained concrete building block is take cement, slag, sand, lime etc. as main raw material, add foaming agent, the solid block forming through stirring moulding, steam press maintenance, gas concrete is by purposes, can be divided into five kinds, non-bearing building block, bearing building block, insulation block, wallboard and roof boarding.

Tradition solid clay brick weight is large, not only wastes outside national clay resource, price height, and cannot meet the requirement of some special buildings brick, and therefore common brick use has been completely forbidden in present many advanced areas, replaces and advocates energetically aerated bricks.Compare with normal concrete brick with traditional clay brick, aerated bricks is not only lightweight, also has heat insulating, an advantage such as sound-proofing properties is excellent, shock resistance is strong, good processability, resistance to elevated temperatures are good, strong adaptability.But China, about the production technology of aerated bricks is ripe not enough, makes aerated bricks Development Technology slow at present, also cannot meet the demand of multiple market.

Summary of the invention

Object of the present invention is just to provide a kind of aerated bricks with antifreeze function and preparation method thereof, to overcome the deficiencies in the prior art.

The object of the present invention is achieved like this:

A kind of aerated bricks with antifreeze function, it is characterized in that, made by the raw material of following weight part: Pb-Zn tailings powder 20-25, domestic refuse 17-19, lime 11-14, aluminium powder 0.2-0.5, phosphate cement 5-7, natural yellow sand 10-13, potassium sulfate 2-4, ethylene diamine tetra methylene phosphonic acid five sodium 1-4, bicarbonate of ammonia 2-5, tara gum 0.3-0.6, tamarind seed gum 0.2-0.4, soda ash 1-3, chestnut shell 3-5, gelatin 0.5-0.7, dried orange peel 0.1-0.3, tarragon 0.3-0.5, auxiliary agent 4-6, suitable quantity of water; Described auxiliary agent is made up of following raw materials in part by weight: poly(vinylidene fluoride) 1.2-3.1, silicon carbide powder 2-4, titanium dioxide 3-5, silicon sol 0.3-0.6, redispersible latex powder 0.6-1.2, pamorusa oil 3-6, borneol 1-3, ultra micro wax powder 0.7-0.9, grape vine 4-7, its preparation method is that each crushing material is mixed, be heated to 70-80 ℃, stirring reaction 30-40 minute, to obtain final product;

The preparation method of described a kind of aerated bricks with antifreeze function, is characterized in that comprising the following steps:

(1) chestnut shell, dried orange peel, tarragon are decocted together in water to filtration in 2-3 hour, gained filtrate vacuum concentration extracts, and obtains Chinese medical extract;

(2) after the filter residue of step (1) and Pb-Zn tailings powder, domestic refuse are mixed, at 750-870 ℃, calcine 3-4 hour, cooling, grind, add tara gum, tamarind seed gum, gelatin to stir;

(3) by step (1), (2) reaction mass and other remaining component, drop in stirrer and be uniformly mixed 8-10 minute, obtain mixed slurry;

(4) gained mixed slurry is poured into the mold moulding, precuring 1-3 hour at 39-46 ℃, the demoulding, cutting, obtains building block base; Again building block base is put into reactor steam press maintenance 13-15 hour, put in storage and get final product.

The present invention has following beneficial effect: the present invention adds Pb-Zn tailings powder, domestic refuse, bicarbonate of ammonia in the starting material of aerated bricks, improve the resistance to frost of aerated bricks, by adding suitable auxiliary agent and suds-stabilizing agent to improve the toughness of aerated bricks, increase anti-permeability performance, and complete processing simply, easily implement, can reduce production costs, realize the recycling economy effect turning waste into wealth, improve the competitive power of product.

Embodiment

Described a kind of aerated bricks with antifreeze function, it is characterized in that, made by the raw material of following weight part: Pb-Zn tailings powder 23, domestic refuse 18, lime 12, aluminium powder 0.2, phosphate cement 7, natural yellow sand 10, potassium sulfate 2, ethylene diamine tetra methylene phosphonic acid five sodium 1, bicarbonate of ammonia 2, tara gum 0.3, tamarind seed gum 0.4, soda ash 1, chestnut shell 3, gelatin 0.5, dried orange peel 0.13, tarragon 0.3, auxiliary agent 4, suitable quantity of water; Described auxiliary agent is made up of following raw materials in part by weight: poly(vinylidene fluoride) 1.5, silicon carbide powder 2, titanium dioxide 3, silicon sol 0.35, redispersible latex powder 0.6, pamorusa oil 3, borneol 1, ultra micro wax powder 0.8, grape vine 6, its preparation method is that each crushing material is mixed, be heated to 70-80 ℃, stirring reaction 30-40 minute, to obtain final product;

Making method comprises the following steps:

(1) chestnut shell, dried orange peel, tarragon are decocted together in water to filtration in 2-3 hour, gained filtrate vacuum concentration extracts, and obtains Chinese medical extract;

(2) after the filter residue of step (1) and Pb-Zn tailings powder, domestic refuse are mixed, at 750-870 ℃, calcine 3-4 hour, cooling, grind, add tara gum, tamarind seed gum, gelatin to stir;

(3) by step (1), (2) reaction mass and other remaining component, drop in stirrer and be uniformly mixed 8-10 minute, obtain mixed slurry;

(4) gained mixed slurry is poured into the mold moulding, precuring 1-3 hour at 39-46 ℃, the demoulding, cutting, obtains building block base; Again building block base is put into reactor steam press maintenance 13-15 hour, put in storage and get final product.

The performance data of processing the aerated bricks obtaining by above-described embodiment is as follows: the volume density 585-630kg/m of this building block ³, there is a large amount of pores and micropore in building block inside, thereby to have good thermal and insulating performance, mean value ultimate compression strength be 6.0-7.3MPa.

Claims (2)

1. one kind has the aerated bricks of antifreeze function, it is characterized in that, made by the raw material of following weight part: Pb-Zn tailings powder 20-25, domestic refuse 17-19, lime 11-14, aluminium powder 0.2-0.5, phosphate cement 5-7, natural yellow sand 10-13, potassium sulfate 2-4, ethylene diamine tetra methylene phosphonic acid five sodium 1-4, bicarbonate of ammonia 2-5, tara gum 0.3-0.6, tamarind seed gum 0.2-0.4, soda ash 1-3, chestnut shell 3-5, gelatin 0.5-0.7, dried orange peel 0.1-0.3, tarragon 0.3-0.5, auxiliary agent 4-6, suitable quantity of water; Described auxiliary agent is made up of following raw materials in part by weight: poly(vinylidene fluoride) 1.2-3.1, silicon carbide powder 2-4, titanium dioxide 3-5, silicon sol 0.3-0.6, redispersible latex powder 0.6-1.2, pamorusa oil 3-6, borneol 1-3, ultra micro wax powder 0.7-0.9, grape vine 4-7, its preparation method is that each crushing material is mixed, be heated to 70-80 ℃, stirring reaction 30-40 minute, to obtain final product.

2. the making method of a kind of aerated bricks with antifreeze function according to claim 1, is characterized in that comprising the following steps:

(1) chestnut shell, dried orange peel, tarragon are decocted together in water to filtration in 2-3 hour, gained filtrate vacuum concentration extracts, and obtains Chinese medical extract;

(2) after the filter residue of step (1) and Pb-Zn tailings powder, domestic refuse are mixed, at 750-870 ℃, calcine 3-4 hour, cooling, grind, add tara gum, tamarind seed gum, gelatin to stir;

(3) by step (1), (2) reaction mass and other remaining component, drop in stirrer and be uniformly mixed 8-10 minute, obtain mixed slurry;

(4) gained mixed slurry is poured into the mold moulding, precuring 1-3 hour at 39-46 ℃, the demoulding, cutting, obtains building block base; Again building block base is put into reactor steam press maintenance 13-15 hour, put in storage and get final product.