CN105036589A - Sludge curing agent for anti-freezing sludge brick - Google Patents

Abstract

The invention discloses a sludge curing agent for an anti-freezing sludge brick. The sludge curing agent is prepared by adopting the following raw materials in part by weight: 0.2 to 0.4 parts of redispersible latex powder, 1 to 2 parts of silicon dioxide, 2 to 4 parts of palygorskite, 2 to 4 parts of metakaolin, 4 to 5 parts of attapulgite, 1 to 2 parts of urea, 0.1 to 0.2 parts of zinc stearate, 0.5 to 1.3 parts of cullet powder, 0.5 to 1 part of methyl glufodinate ammonium, 0.2 to 0.4 parts of mirabilite, 0.1 to 0.2 parts of sodium tripolyphosphate, 1 to 1.5 parts of aminobenzene sulfonic acid, 1 to 2 parts of nano carbon powder, 1 to 2 parts of ferrous sulfate, 1 to 2 parts of aluminum metasilicate, 0.7 to 0.9 parts of diethylene glycol, 1 to 1.6 parts of hollow glass micro beads and 2 to 4 parts of modified powder.

Description

A kind of freeze proof brick made of mud sludge curing agent

Technical field

The invention belongs to solidifying agent field, particularly relate to a kind of freeze proof brick made of mud sludge curing agent.

Background technology

Solidifying agent has another name called stiffening agent, ripening agent or set agent, is that a class is promoted or controls material or the mixture of curing reaction.Producing brick made of mud and utilize this waste deriving from the Nature of mud, is a kind of behavior of turning waste into wealth.

Summary of the invention

The object of this invention is to provide a kind of freeze proof brick made of mud sludge curing agent.

The present invention adopts following technical scheme to achieve these goals:

A kind of freeze proof brick made of mud sludge curing agent, it is characterized in that, it is obtained by the raw material of following weight parts:

Redispersable latex powder 0.2-0.4, silica 1-2, polygorskite 2-4, metakaolin 2-4, attapulgite 4-5, urea 1-2, Zinic stearas 0.1-0.2, glass cullet powder 0.5-1.3, alachlor phosphorus 0.5-1, saltcake 0.2-0.4, tripoly phosphate sodium STPP 0.1-0.2, aniline sulfonic acid 1-1.5, nano-carbon powder 1-2, ferrous sulfate 1-2, metasilicic acid aluminium 1-2, glycol ether 0.7-0.9, hollow glass microbead 1-1.6, modification powder 2-4;

Modification powder is obtained by the raw material of following weight parts:

Stearic acid 0.2-0.4, fluorgypsum 5-7, zinc oxide 0.2-0.4, anhydrous sodium carbonate 0.1-0.2, aluminum chloride 0.1-0.2, slag 3-5, sodium aluminate 0.1-0.2, Fluorite slag 10-20, magnesium-aluminium spinel 10-14, nitrocellulose 0.5-0.7, superfine silicon dioxide 1-2, cetyl trimethylammonium bromide 1-2, quartz sand 10-15, Sudan Gum-arabic 0.2-0.4;

The preparation method of modification powder, the steps include:

(1) first pulverize after magnesium-aluminium spinel, Fluorite slag, slag mixing, then after logical nitrogen protection, at 200-230 DEG C of heat-activated 1-3 hour, obtain the mineral powder after activation, the also adjust ph that adds water is 6-6.5, stirs 1-2 hour, obtains mineral powder suspension liquid;

(2) again by cetyl trimethylammonium bromide and stearic acid, sodium phosphate, anhydrous sodium carbonate, and suitable quantity of water, at room temperature 200-300 rev/min of row stirs 30-40 minute, add mineral powder suspension liquid and all the other raw materials again, be heated to 50-65 DEG C, insulation 10-20 minute, then dry, to obtain final product.

The freeze proof brick made of mud sludge curing agent of described one, is characterized in that: preparation method comprises the following steps:

(1) after polygorskite, metakaolin, attapulgite mixing, grind to form nanometer powder, add gypsum, bicarbonate of ammonia and suitable quantity of water again and be made into the suspension liquid that concentration is 25-30%, 40-80 rev/min is stirred 40-60min, after leaving standstill 10-20min, remove upper slurry, after the mashed prod drying of bottom, obtain modified mineral material for subsequent use;

(2), after surplus stock mixing, after stirring, then after adding modified mineral material, 20-30min is stirred in 100-120 rev/min, after, add suitable quantity of water, making grain diameter is after the particle of 2-4mm, to obtain final product.

Beneficial effect of the present invention: sludge curing agent of the present invention effectively can reduce the water ratio of mud, solves the slightly acidic problem of mud, impels curing sludge to have good plasticity-and anti-freezing property; Be used for the manufacture of brick made of mud by curing sludge, reduce construction cost, also help protection of the environment.

Embodiment

A kind of freeze proof brick made of mud sludge curing agent, it is obtained by the raw material of following weight (kg):

Redispersable latex powder 0.4, silica 1, polygorskite 2, metakaolin 4, attapulgite 4, urea 1, Zinic stearas 0.1, glass cullet powder 0.5, alachlor phosphorus 0.5, saltcake 0.4, tripoly phosphate sodium STPP 0.1, aniline sulfonic acid 1.5, nano-carbon powder 1, ferrous sulfate 2, metasilicic acid aluminium 1, glycol ether 0.9, hollow glass microbead 1.6, modification powder 4;

Modification powder is obtained by the raw material of following weight (kg):

Stearic acid 0.2, fluorgypsum 6, zinc oxide 0.4, anhydrous sodium carbonate 0.2, aluminum chloride 0.1, slag 3, sodium aluminate 0.1, Fluorite slag 10, magnesium-aluminium spinel 10, nitrocellulose 0.7, superfine silicon dioxide 1, cetyl trimethylammonium bromide 1, quartz sand 15, Sudan Gum-arabic 0.4;

The preparation method of modification powder, the steps include:

(1) first pulverize after magnesium-aluminium spinel, Fluorite slag, slag mixing, then after logical nitrogen protection, 200 DEG C of heat-activated 1 hour, obtain the mineral powder after activation, to add water and adjust ph is 6.5, stir 2 hours, obtain mineral powder suspension liquid;

(2) again by cetyl trimethylammonium bromide and stearic acid, sodium phosphate, anhydrous sodium carbonate, and suitable quantity of water, at room temperature 200 revs/min of row stirrings 40 minutes, add mineral powder suspension liquid and all the other raw materials again, be heated to 55 DEG C, be incubated 20 minutes, then dry, to obtain final product.

The freeze proof brick made of mud sludge curing agent of described one, preparation method comprises the following steps:

(1) after polygorskite, metakaolin, attapulgite mixing, grind to form nanometer powder, add gypsum, bicarbonate of ammonia and suitable quantity of water again and be made into the suspension liquid that concentration is 25%, 80 revs/min are stirred 60min, after leaving standstill 15min, remove upper slurry, after the mashed prod drying of bottom, obtain modified mineral material for subsequent use;

(2), after surplus stock mixing, after stirring, then after adding modified mineral material, 30min is stirred in 110 revs/min, after, add suitable quantity of water, making grain diameter is after the particle of 2-4mm, to obtain final product.

The application method of the present embodiment is:

(1) the precipitation handle measure such as first take to ted and mud water ratio is down to 18-20%;

(2) be then incorporated in mud by the present embodiment and stir, the incorporation of the present embodiment is 10% of mud quality, obtains mud filler.

Simultaneous test

A group: utilize the mud filler of the present embodiment solidifying agent gained and conventional aerated bricks raw material blending, mud filling adding amount is 5% of gross weight, prepares mud aerated bricks, and its volume-weighted average is 630kg/m ³, ultimate compression strength is 8.3MPa, freezes rear intensity 7.2MPa.

B group: do not add sludge curing agent, be directly that the mud of 18-20% adds in conventional aerated bricks raw material and mixes by water ratio, mud add-on is 5% of gross weight, prepares mud aerated bricks, and its volume-weighted average is 600kg/m ³, ultimate compression strength is 4.9MPa, freezes rear intensity 3.3MPa.

Contrast known, sludge curing agent can increase ultimate compression strength effectively.Effectively add frost resistance simultaneously.

Claims (2)

1. a freeze proof brick made of mud sludge curing agent, is characterized in that, it is obtained by the raw material of following weight parts:

Redispersable latex powder 0.2-0.4, silica 1-2, polygorskite 2-4, metakaolin 2-4, attapulgite 4-5, urea 1-2, Zinic stearas 0.1-0.2, glass cullet powder 0.5-1.3, alachlor phosphorus 0.5-1, saltcake 0.2-0.4, tripoly phosphate sodium STPP 0.1-0.2, aniline sulfonic acid 1-1.5, nano-carbon powder 1-2, ferrous sulfate 1-2, metasilicic acid aluminium 1-2, glycol ether 0.7-0.9, hollow glass microbead 1-1.6, modification powder 2-4;

Modification powder is obtained by the raw material of following weight parts:

Stearic acid 0.2-0.4, fluorgypsum 5-7, zinc oxide 0.2-0.4, anhydrous sodium carbonate 0.1-0.2, aluminum chloride 0.1-0.2, slag 3-5, sodium aluminate 0.1-0.2, Fluorite slag 10-20, magnesium-aluminium spinel 10-14, nitrocellulose 0.5-0.7, superfine silicon dioxide 1-2, cetyl trimethylammonium bromide 1-2, quartz sand 10-15, Sudan Gum-arabic 0.2-0.4;

The preparation method of modification powder, the steps include:

First pulverize after magnesium-aluminium spinel, Fluorite slag, slag mixing, then after logical nitrogen protection, at 200-230 DEG C of heat-activated 1-3 hour, obtain the mineral powder after activation, the also adjust ph that adds water is 6-6.5, stirs 1-2 hour, obtains mineral powder suspension liquid;

Again by cetyl trimethylammonium bromide and stearic acid, sodium phosphate, anhydrous sodium carbonate, and suitable quantity of water, at room temperature 200-300 rev/min of row stirs 30-40 minute, add mineral powder suspension liquid and all the other raw materials again, be heated to 50-65 DEG C, insulation 10-20 minute, then dry, to obtain final product.

2. the freeze proof brick made of mud sludge curing agent of one according to claim 1, is characterized in that: preparation method comprises the following steps:

(1) after polygorskite, metakaolin, attapulgite mixing, grind to form nanometer powder, add gypsum, bicarbonate of ammonia and suitable quantity of water again and be made into the suspension liquid that concentration is 25-30%, 40-80 rev/min is stirred 40-60min, after leaving standstill 10-20min, remove upper slurry, after the mashed prod drying of bottom, obtain modified mineral material for subsequent use;

(2), after surplus stock mixing, after stirring, then after adding modified mineral material, 20-30min is stirred in 100-120 rev/min, after, add suitable quantity of water, making grain diameter is after the particle of 2-4mm, to obtain final product.