CN105084868A - Sintered brick not prone to cracking - Google Patents

Abstract

The invention discloses a sintered brick not prone to cracking. The sintered brick not prone to cracking is made from, by weight, 1-2 parts of compound coagulants, 0.1-0.3 part of diisopropanolamine, 0.2-0.4 part of steel fibers, 0.2-0.4 part of polyoxyethylene fatty acid, 1-2 parts of carbon fibers, 0.1-0.2 part of zinc sulfate, 1-3 parts of calcium carbonate, 0.6-0.8 part of polyacrylamide, 0.4-0.6 part of sodium perborate, 0.1-0.3 part of sodium thiosulfate, 0.1-0.2 part of humic acid, 0.2-0.3 part of sodium carbonate, 30-40 parts of carbide slag, 20-30 parts of clay and an appropriate amount of water. By adding the polyacrylamide and the carbon fibers, cracking of the sintered brick can be prevented, the breaking strength and the toughness of the sintered brick can be improved, the width of cracks is limited, the surface cracks of the sintered brick can be resisted, and the anti-detonation and fireproof capacity is achieved. Due to the materials of the sintered brick, large-scale construction is facilitated, and the sintered brick can be widely applied to the fields of civil engineering, water conservancy, municipal transportation, the marine military industry and the like.

Description

A kind of vitrified brick not easy to crack

Technical field

The present invention relates to vitrified brick technical field, particularly relate to a kind of vitrified brick not easy to crack.

Background technology

All with clay, shale, coal gangue or flyash for raw material, obtainedly through shaping and high-temperature roasting be referred to as vitrified brick for the brick of building load-bearing and non-bearing wall body by laying bricks or stones.

The production of common brick and use, in existing more than the 3000 year history of China.Now, in the materials for wall used in construction project, common brick is still occupied an leading position.Although there is many deficiencies in common brick, but due to cheap, technique is simple, design and construction technique is ripe and the reason such as the use inertia of people, common brick, within considerable time from now on, particularly in rural area, remains one of main materials for wall.

In construction industry, materials for wall is the important composition part of construction industry, and the consumption of materials for wall in building materials is maximum.In recent years, along with the propelled at high velocity of urban construction, the every Year's consumption of China's wall body brick, more than 6,000 hundred million pieces, consumes about 660,000 mu, soil, consumes mark 9,000 ten thousand tons, coal.Under the dual function of environmental requirement and Policy Conditions, solid clay brick is withdrawn from the market just gradually, promotes novel wall material, reduces and stores up occupation of land, superseded clay brick production capacity, Economization on land is the trend of the times of environmental requirement, and the environmental protection innovation of materials for wall industry is imperative.。

Summary of the invention

The object of the invention is exactly the defect in order to make up prior art, provides a kind of vitrified brick not easy to crack.

The present invention is achieved by the following technical solutions:

A vitrified brick not easy to crack, it is obtained by the raw material of following weight parts:

Composite flocculation agent 1-2, diisopropanolamine (DIPA) 0.1-0.3, steel fiber 0.2-0.4, polyoxyethylene carboxylate 0.2-0.4, carbon fiber 1-2, zinc sulfate 0.1-0.2, calcium carbonate 1-3, polyacrylamide 0.6-0.8, Sodium peroxoborate 0.4-0.6, Sulfothiorine 0.1-0.3, humic acid 0.1-0.2, sodium carbonate 0.2-0.3, carbide slag 30-40, clay 20-30, suitable quantity of water;

Composite flocculation agent is obtained by the raw material of following weight parts:

Wallantoin 1-2, brown sugar 1-2, gum arabic 0.3-0.4, xylogen 2-4, carboxymethyl hydroxyethyl cellulose 1-2, alkylphenol polyoxyethylene 1-2, silicon sol 5-8, calcium propionate 0.2-0.4, redispersible latex powder 1-2;

The preparation method of described composite flocculation agent is:

Silicon sol and appropriate amount of deionized water, 10-15min is stirred under 60-80 rev/min, add xylogen, carboxymethyl hydroxyethyl cellulose, alkylphenol polyoxyethylene again, 20-40 rev/min is continued to stir 10-15min, be warming up to 35-40 DEG C again to start to add all the other raw materials, after 40-50 rev/min of stirring 5-8min, be cooled to 25-30 DEG C of discharging, obtain product.

Described a kind of vitrified brick not easy to crack, preparation method comprises the following steps:

(1), that carbide slag is broken, add suitable quantity of water, polyoxyethylene carboxylate mixing again, stir 10-15min under the stirring velocity of 100-200r/min, leave standstill after 2-4 hour, adjust ph is 8-9, add polyacrylamide again, after stirring, after ball milling 1-2h, vacuum filtration, after washing, at 60-80 DEG C, dry 4-6h, obtains modified carbide slag for subsequent use;

(2) by clay, suitable quantity of water mixing, stir 10-15min under the stirring velocity of 100-200r/min, add composite flocculation agent, diisopropanolamine (DIPA), steel fiber, mix at 25-30 DEG C, add all the other raw materials and modified carbide slag again, mix under normal temperature, obtain composite material for subsequent use;

(3) by composite material coldmoulding, fragment of brick embryo is obtained;

(4) fragment of brick embryo is placed in sintering oven, 700-800 DEG C is warming up to 5-10 DEG C/min speed under air atmosphere, be incubated 20-40min again, 900-1000 DEG C is warming up to again with 5-10 DEG C/min speed, insulation 70-80min, finally cool to 600-650 DEG C, insulation 20-30min, then cooling down obtains product.

Advantage of the present invention is:

(1) polyacrylamide and adding of carbon fiber can prevent vitrified brick from ftractureing, improve vitrified brick folding strength and toughness, the fracture width of restriction, opposing vitrified brick check surface and antiknock fire resistance property, material of the present invention is beneficial to construction in enormous quantities, can be widely used in the fields such as building, water conservancy, municipal traffic, ocean military project.The present invention adopts part to make glutinous rice brown sugar glue by oneself to replace chemical glue, and production technique is simple, brown sugar and starch material is renewable is easy to get, and cost is low.

(2) the present invention is by carbide slag modification, make its can better and clay composite, obtained aerated bricks, improves carbide slag viscosity inadequate, needs the shortcoming strengthening clay consumption; After carbide slag first regulates PH, carry out modification again, make a large amount of positively charged ions wherein better replace by positively charged ion, increase consistency, point breaking up more even, improve and add the shortcoming that carbide slag can affect strength of sintered brick, thus by adding more carbide slag, clay consumption can be reduced with this, preventing pollution, prevent soil from excessively using, turn waste into wealth simultaneously;

(3) in raw-material preparation process, lowered the temperature again by secondary temperature elevation, make each raw material compatible more abundant, flocculation agent infiltration evenly, obtained strength of sintered brick is higher.

Embodiment

A vitrified brick not easy to crack, it is obtained by the raw material of following weight (kg):

Composite flocculation agent 1, diisopropanolamine (DIPA) 0.1, steel fiber 0.2, polyoxyethylene carboxylate 0.2, carbon fiber 1, zinc sulfate 0.1, calcium carbonate 1, polyacrylamide 0.6, Sodium peroxoborate 0.4, Sulfothiorine 0.1 humic acid 0.1, sodium carbonate 0.2, carbide slag 30, clay 20, suitable quantity of water;

Composite flocculation agent is obtained by the raw material of following weight parts:

Wallantoin 1, brown sugar 1, gum arabic 0.3, xylogen 2, carboxymethyl hydroxyethyl cellulose 1, alkylphenol polyoxyethylene 1, silicon sol 5, calcium propionate 0.2, redispersible latex powder 1;

The preparation method of described composite flocculation agent is:

Silicon sol and appropriate amount of deionized water, 10min is stirred under 60 revs/min, add xylogen, carboxymethyl hydroxyethyl cellulose, alkylphenol polyoxyethylene again, 20 revs/min are continued to stir 10min, be warming up to 35 DEG C again to start to add all the other raw materials, after 40 revs/min of stirring 5min, be cooled to 25 DEG C of dischargings, obtain product.

Described a kind of vitrified brick not easy to crack, preparation method comprises the following steps:

(1), that carbide slag is broken, add suitable quantity of water, polyoxyethylene carboxylate mixing again, stir 10min under the stirring velocity of 100r/min, leave standstill after 2 hours, adjust ph is 8, add polyacrylamide again, after stirring, after ball milling 1h, vacuum filtration, after washing, at 60 DEG C, dry 4h, obtains modified carbide slag for subsequent use;

(2) by clay, suitable quantity of water mixing, stir 10min under the stirring velocity of 100r/min, add composite flocculation agent, diisopropanolamine (DIPA), steel fiber, mix at 25 DEG C, then add all the other raw materials and modified carbide slag, mix under normal temperature, obtain composite material for subsequent use;

(3) by composite material coldmoulding, fragment of brick embryo is obtained;

(4) fragment of brick embryo is placed in sintering oven, is warming up to 700 DEG C, then is incubated 20min under air atmosphere with 5 DEG C/min speed, then is warming up to 900 DEG C with 5 DEG C/min speed, and insulation 70min, finally cools to 600 DEG C, insulation 20min, then cooling down obtains product.

Described silicon sol is silicon-dioxide quality mark is the silicon sol of 30-60%

The ultimate compression strength of the present embodiment is 17.5MPa; Water-intake rate is 7-9%; Thermal conductivity is 0.48w/mk.

Claims (2)

1. a vitrified brick not easy to crack, is characterized in that, it is obtained by the raw material of following weight parts:

Composite flocculation agent 1-2, diisopropanolamine (DIPA) 0.1-0.3, steel fiber 0.2-0.4, polyoxyethylene carboxylate 0.2-0.4, carbon fiber 1-2, zinc sulfate 0.1-0.2, calcium carbonate 1-3, polyacrylamide 0.6-0.8, Sodium peroxoborate 0.4-0.6, Sulfothiorine 0.1-0.3, humic acid 0.1-0.2, sodium carbonate 0.2-0.3, carbide slag 30-40, clay 20-30, suitable quantity of water;

Composite flocculation agent is obtained by the raw material of following weight parts:

Wallantoin 1-2, brown sugar 1-2, gum arabic 0.3-0.4, xylogen 2-4, carboxymethyl hydroxyethyl cellulose 1-2, alkylphenol polyoxyethylene 1-2, silicon sol 5-8, calcium propionate 0.2-0.4, redispersible latex powder 1-2;

The preparation method of described composite flocculation agent is:

Silicon sol and appropriate amount of deionized water, 10-15min is stirred under 60-80 rev/min, add xylogen, carboxymethyl hydroxyethyl cellulose, alkylphenol polyoxyethylene again, 20-40 rev/min is continued to stir 10-15min, be warming up to 35-40 DEG C again to start to add all the other raw materials, after 40-50 rev/min of stirring 5-8min, be cooled to 25-30 DEG C of discharging, obtain product.

2. a kind of vitrified brick not easy to crack according to claim 1, it is characterized in that, preparation method comprises the following steps:

(1) carbide slag is broken, add suitable quantity of water, polyoxyethylene carboxylate mixing again, stir 10-15min under the stirring velocity of 100-200r/min, leave standstill after 2-4 hour, adjust ph is 8-9, add polyacrylamide again, after stirring, after ball milling 1-2h, vacuum filtration, after washing, at 60-80 DEG C, dry 4-6h, obtains modified carbide slag for subsequent use;

(2) by clay, suitable quantity of water mixing, stir 10-15min under the stirring velocity of 100-200r/min, add composite flocculation agent, diisopropanolamine (DIPA), steel fiber, mix at 25-30 DEG C, add all the other raw materials and modified carbide slag again, mix under normal temperature, obtain composite material for subsequent use;

(3) by composite material coldmoulding, fragment of brick embryo is obtained;

(4) fragment of brick embryo is placed in sintering oven, 700-800 DEG C is warming up to 5-10 DEG C/min speed under air atmosphere, be incubated 20-40min again, 900-1000 DEG C is warming up to again with 5-10 DEG C/min speed, insulation 70-80min, finally cool to 600-650 DEG C, insulation 20-30min, then cooling down obtains product.