KR20140038627A - Lightweight foamed concrete wall of lightweight foamed concrete composition and take advantage of this manufacturing method - Google Patents

Abstract

The present invention relates to an ultralight foamed concrete wall composition including 90-98 wt% of a high early strength-type blended cement slurry, 1-8 wt% of waste foamed polystyrene having a density in a range of 0.002-0.010, a circular diameter, and a particle size of 2-15 mm, and 1-8 wt% of a foamed group obtained by diluting an animal or vegetable foaming agent in water at the ratio of 1:25-50 wt% and foaming using compressed air, and a manufacturing method of ultralight foamed concrete wall using the same. The high early strength-type blended cement slurry is obtained by mixing 50-80 wt% of a high early strength-type blended cement obtained by pulverizing 70-94 kg of a cement, 3-15 kg of calcium sulfoaluminate, 2-10 kg of anhydrous plaster and 1-5 kg of a slaked lime to a pulverized degree of 4,000-6,000 cm2/g, 20-50 wt% of water, and 0.1-0.5 wt% of a water reducing agent.

Description

Lightweight foamed concrete composition and method for manufacturing ultralight foamed concrete wall using the same

The present invention is usually used as a binder of foam concrete using a crude steel cement mixture prepared by mixing and grinding portland cement, capsule sulfoaluminate, anhydrous gypsum and calcined lime as a water reducing agent, and waste foamed polystyrene aggregates and animal to vegetable foaming agents. It is related with the ultralight foamed concrete composition mixed with ratio, and the manufacturing method of the ultralight foamed concrete wall using the same.

Most buildings, such as apartment buildings, officetels, or commercial buildings, are separated from each other as needed, which is commonly referred to as a wall. The wall type is the wet wall which is supplied from the manufacturer and supplied to the formwork from the manufacturer in the formwork. Compared to the wet wall type, There is a drywall to do.

Such a drywall is a product in which a hollow is formed in an extrusion panel or a lightweight mortar or a lightweight concrete using lightweight aggregate, and the density is limited to a range of 1300 to 2000 kg / m ³ . In this case, inefficiency of transportation occurs due to the excessive weight of the drywall itself, and the precision of construction installation is inferior due to the inability to rely on manual operation due to a limited narrow space in the space at the time of site construction, And it causes the problems and the excessive load of the high-rise buildings.

Korean Registered Patent Publication No. 10-0874945 discloses that 30 to 60 parts by weight of extruded foamed styrofoam and 135 to 600 parts by weight of cement are used. 135 to 300 parts by weight of ceramics, 400 to 500 parts by weight of loess, 400 to 500 parts by weight of zeolite From 270 to 390 parts by weight of a lightweight adiabatic mortar composition comprising at least one or more water and from 2.5 to 3.5 parts by weight of silicate-based silicate, from 2.5 to 3.5 parts by weight of a flexible acrylic monomer, and from 2.5 to 3.5 parts by weight of natural latex Wherein the lightweight adiabatic mortar composition and the curing composition have a weight ratio of 3.9: 1 to 4.9: 1, and a method of using the same. However, this method has been disclosed in which mixed foamed foamed styrofoam and zeolite foamed in the form of sand balls are used as lightweight aggregate in cement mortar,

In this Publication No. 10-1020653, 40 to 50 parts by weight of compounding water, 100 parts by weight of animal mortar for forming waste paper, 0.05 to 50 parts by weight of dry mortar composed of 25 to 45% by weight of Portland cement and 55 to 75% 0.1 to 2 parts by weight of a naphthalene-based fluidizing agent and 0.01 to 0.1 part by weight of a polysaccharide thickener, and molding the mixture into a mold. This describes a technique for manufacturing a panel using a lightweight aggregate as a pearlite,

This Publication No. 10-0545158 discloses a conventional lightweight foamed concrete foam composition comprising aluminum sulfate, polyvinyl alcohol, vegetable oil, formaldehyde and fatty acid alcohol, wherein the glycol component as a dihydric alcohol And the aluminum hydroxide is further mixed, wherein the mixture contains 18 to 24 wt% of the aluminum sulfate, 2 to 6 wt% of the polyvinyl alcohol, 10 to 20 wt% of the vegetable oil, and the formaldehyde 0.5 to 5% by weight of the glycol component as the dihydric alcohol, 2 to 10% by weight of the aluminum hydroxide, and the balance being a fatty acid alcohol. This has been disclosed in the art concerning the composition of the vegetable base foam of the foamed concrete used for the floor heating of the ondol,

This publication discloses that lightweight foamed concrete comprises about 50 to 90 parts by weight of cement and about 10 to 50 parts by weight of feldspar grain about 60 to 120 parts by weight, About 40 to 60 parts by weight of water on the basis of cement is added to a raw material in which about 10 to 50 parts by weight of feldspar is mixed to prepare a slurry and a predetermined amount of bubble group generated by foaming agent is added to the slurry to be kneaded for a predetermined time A lightweight foamed concrete production method using a lightweight aggregate is disclosed,

This publication discloses a method for manufacturing a lightweight foamed concrete, and relates to a method for manufacturing a lightweight foamed concrete having a lightweight aggregate made of a pulp material and a pulp paper, and more particularly to a method for producing a lightweight foamed concrete using granulated or pulverized waste slate and pulp A method of preparing a lightweight foamed concrete by mixing a ceiling material, pulverized paper slurry pulverized with moisture, pulverized paper slurry subjected to pulverization in a powder state with water and cement, injecting diluted animal protein foam diluent thereto, and mixing . This is disclosed in a method of manufacturing a lightweight foamed concrete in which lightweight aggregate is used as waste paper or waste building materials,

In this Publication No. 10-5067729, 16 kg of a lightweight aggregate poly shell made by pulverizing and processing EVA (Ethyrene Vinyl Acetate) synthetic resin into 5 mm particles, and adding fibers to the cement slurry mixed with air bubbles, A method of producing a lightweight foamed concrete is provided by mixing and curing a lightweight foamed concrete, and a method of manufacturing a lightweight foamed concrete using a lightweight aggregate such as a poly shell, a bond pole, In addition,

In the Publication No. 10-0550827, 30 to 60 parts by weight of a raw material of lime-like material, 20 to 50 parts by weight of a raw material of a silicate-containing raw material, 5 to 8 parts by weight of vegetable fiber, 5 to 20 parts by weight of meta-kaolin, 1 to 5 parts by weight of a foaming agent and 30 to 100 parts by weight of water are applied on both sides of a foamed concrete panel, a plurality of functional gravel having 20 to 40 parts by weight of an earth strengthening agent and 40 to 60 parts by weight of water added to 100 parts by weight of germanium powder, Wherein the functional gravel has a shape of a ball having an empty space in the interior thereof, wherein the soil stabilizer is selected from the group consisting of talc, bentonite, silica sand, calcium carbonate, zeolite, Acrylate, polyacrylamide, polyethylene oxide, hydroxyethyl cellulose, or a combination of two or more of them. A well-being panel using foamed concrete, which is made of a soluble polymer, is disclosed, which discloses a technique of integrating functional gravels containing ion-releasing substances on both sides of foamed concrete,

The publication No. 10-0292037 discloses a composition for lightweight heat insulation foamed concrete

0.1 to 0.2% by weight of vegetable foam, 62 to 65% by weight of cement, and the balance of water. This indicates that a technique for optimizing the composition according to the use of vegetable foaming agent is disclosed.

1. Korean Patent Registration No. 10-0874945 2. Domestic Patent Registration No. 10-1020653 3. Korean Patent Registration No. 10-0545158 4. Domestic Patent Registration No. 10-0290502 5. Domestic Patent Registration No. 10-0120101 6. Domestic Patent Registration No. 10-5067729 7. Korean Patent Registration No. 10-0550827 8. Domestic Patent Registration No. 10-0292037

In order to reduce the weight of the conventional art, the lightweight aggregate such as foamed polystyrene or perlite foamed in the cement mortar is added. However, as the amount of the aggregate increases, the strength decreases rapidly and the condensation time increases. This is not the case,

Another conventional technique is to increase the stability of the foaming agent used in foamed concrete to induce weight reduction. However, when one kind of portland cement is used, the condensation time is increased due to the characteristic of foamed concrete, The problem of the present invention is to solve the problem that the fogging phenomenon becomes large in the curing process of the air-mixed bubble group, and the settlement and the density are separated according to the upper and lower positions.

In order to solve the above-mentioned problems, the present invention provides a method for controlling a semiconductor device, comprising: An ultra lightweight foamed concrete composition and an improved method of manufacturing an ultra lightweight foamed concrete wall using the same,

50 to 80% by weight of a mixture of 70 to 94 kg of cement, 3 to 15 kg of calcium sulfoaluminate, 2 to 10 kg of anhydrous gypsum and 1 to 5 kg of slaked lime and pulverized in a pulverized mill at 4000 to 6000 cm ² / A mixture of 20 to 50% by weight of water and 0.1 to 0.5% by weight of a water reducing agent, 90 to 98% by weight of the crude steel mixed cement slurry and a spherical shape having a particle size in the range of 0.002 to 0.010, Is composed of 1 to 8% by weight of waste expanded polystyrene having a size of 2 mm to 15 mm

After diluting the animal-to-vegetable foaming agent with water at a ratio of 1: 25 to 50% by weight, and then mixing the bubble group foamed with compressed air at 1 to 8% by weight, the ultralight foam concrete wall composition and the ultralight foam using the same It is a problem solving means to achieve the present invention to provide a method for producing a concrete wall.

The present invention uses a rigid mixed cement as a binder of cellular concrete as compared with a conventional dry wall composition and uses an ultra lightweight drywall having a density of 500 kg / m ³ or less (existing prior art patent 700 kg / m ³ or less) It is possible to improve the production efficiency and early shipment in the process and to eliminate the interface with the finishing board due to the change in the external temperature at the time of curing And prevention of falling off the interface with the finish board due to other physical impacts.

Figure 1 Photo of a lightweight wall manufacture of the present invention
Fig. 2 Photograph of light weight adhesion strength of the present invention

In order to achieve the above object, the present invention is a high performance water sensitizer 5 ~ 10kg in cement 79 ~ 100kg, calcium sulfoaluminate 3 ~ 15kg, anhydrous gypsum 2 ~ 5kg, 100kg of mixed cement composed of slaked lime 0.5 ~ 1 kg 50-80% by weight of the mixed crude steel cement mixture and 20-50% by weight of water were mixed and stirred with the crude steel cement mixture slurry, 90-99% by weight of the crude steel cement mixture slurry, and 1-10% by weight of the foaming agent. The prepared foamed concrete slurry, 90 to 99% by weight of the foamed concrete slurry, and has a round particle size ranging from 0.002 to 0.010 in density, and the particle size is composed of 1 to 10% by weight of waste foamed polystyrene having a size of 2mm to 15mm. It relates to a super lightweight foam concrete composition and a method for producing a super lightweight foam concrete wall using the same.

The present invention is to prepare an ultra-light foamed concrete wall cement slurry by mixing and stirring the ultra-light foamed concrete wall composition 50 to 80% by weight, the mixed water of 20 to 50% by weight and stirring the ultra-light foamed concrete wall composition to 1M ³ Stage 1,

After diluting any compound selected from the animal foaming agent containing a polypeptide compound as a main component and the vegetable foaming agent containing a polyacrylate compound at a ratio of 1:25 to 50% by weight with water, the foaming agent is foamed by compressed air. To prepare a second step,

A third step of preparing the ultralight foamed concrete wall mixed slurry by mixing and stirring 90 to 99% by weight of the ultralight foamed concrete wall slurry prepared in the first step and the foaming agent prepared in the second step in a ratio of 1 to 10% by weight;

A fourth step of preparing ultra-light mixed foamed concrete by mixing and mixing at a ratio of 90 to 99% by weight of the ultra-light foam concrete wall mixing slurry prepared in the third step with 1 to 10% by weight of waste foamed polystyrene;

It is a method for producing an ultra-light dry wall composed of a fifth step of injecting and curing the ultra-light foam mixed concrete prepared by the four steps into a molding die.

The ultralight foamed concrete wall composition of the present invention is characterized in that it comprises a rough mixed cement, a water reducing agent, water, a foaming agent.

The water reducing agent may be a lignin sulfonate compound, a polymelamine sulfonate compound, a polynaphthalene sulfonate compound, a pulicarboxylic acid compound, or the like, or a mixture of two or more thereof. It is further preferable that they are mixed.

The prepared crude steel mixed cement is pulverized by using a pulverized mill at 4000-6000 cm ² / g.

Cement, and the like are first pulverized and then mixed, the performance of the same steel powder is less effective than that of pulverizing after mixing. This is because uniform mixing is difficult and the granulation rate of the particles is not continuous and the filling rate is low.

Animal and vegetable foaming agents used in the present invention are as follows.

1) Animal foam agent is a natural polymer substance composed of a polypeptide compound and decomposed keratin of animal. It is suitable to apply to structures with high or thick thickness with good stability of the cladding. For lightweight walls, the use of animal foam is preferred.

2) Vegetable foaming agent is a polyacrylate- based compound and refers to foaming agent prepared by adding a foam stabilizer, a viscosity agent, etc. to an interfacial activator. Thin film is weaker than animal foam, but has excellent fluidity and is thin and suitable for large area construction.

division Animal foam Vegetable foam Remarks chief ingredient Blood of animal, casein, gelatin Polyacrylate system Physical properties pH 7, specific gravity 1.2, light yellow pH 7, specific gravity 1.12, white Bubble type Independent bubble Connection bubble Advantages Have good elasticity
Have good stability Have a large cover
Excellent workability Disadvantages stink
Causes of corrosion
Difficulty in long term Capsules are weaker than animal

The animal foam agent used in the foaming of the foaming agent of the present invention has a polypeptide protein structure as shown in the structural formula. In the structural formula, R is a lipophilic molecule which is not soluble in water but is friendly to an oil component and is an anion interface in the COO- As an active agent, NH is an amine and is characterized by a liquid anionic foaming agent having a pale yellow color with a specific gravity of 1.2 which improves the stability of bubbles after being mixed with cement,

The vegetable foaming agent has a structure of polyacrylate system as in the structural formula. R in the structural formula refers to a lipophilic molecule which is insoluble in water and is friendly to oil components, and the ethylene oxide of (CH2CH2O) 3 is in the range of 2 moles and 5 moles .

The SO3-Na + in the structure shows the characteristics of anionic surfactant that dissolves in water to increase the bubble forming power. Further, a liquid vegetable base foam having a neutral pH of 7 and a specific gravity of 1.12 is diluted with water at a ratio of 1: 25 to 50% by weight, and then passed through a foam tube with compressed air at 3.5 to 4.5 kg / When the dilution ratio of water and foaming agent is low, foamed bubble cells become large, and the bubble cell becomes small, and the bubble cell becomes small and the cohesive force of bubble group becomes high. The stirring with the cement slurry becomes difficult.

Hereinafter, Examples  A detailed description will be given below.

Example  One

A mixture of 94 kg of cement, 3 kg of calcium sulphoaluminate, ² kg of anhydrous gypsum and 1 kg of slaked lime was prepared in a pulverized mill to prepare a crude steel mixed cement at a powder density of 4000 cm ² / g.

Example  2

A mixture of 88 kg of cement, 6 kg of calcium sulphoaluminate, 4 kg of anhydrous gypsum and 2 kg of slaked lime was prepared in a pulverized mill to prepare a crude steel mixed cement at a powder density of 4000 cm ² / g.

Example  3

A mixture of 82 kg of cement, 9 kg of calcium sulphoaluminate, 6 kg of anhydrous gypsum and 3 kg of slaked lime was prepared in a grinding mill at a powder density of 4000 cm ² / g.

Example  4

A mixture of 76 kg of cement, 12 kg of calcium sulphoaluminate, 8 kg of anhydrous gypsum, and 4 kg of slaked lime was prepared in a milling mill at a powder density of 4000 cm ² / g.

Example  5

A mixture of 70 kg of cement, 15 kg of calcium sulfoaluminide, 10 kg of anhydrous gypsum and 5 kg of slaked lime was prepared as a crude steel-mixed cement in a grinding mill at a powder density of 4000 cm ² / g.

Example  6

A mixture of 94 kg of cement, 3 kg of calcium sulfoaluminate, 2 kg of anhydrous gypsum, and 1 kg of slaked lime was prepared as a crude steel-mixed cement at a powder milling rate of 5000 cm ² / g.

Example  7

A mixture of 88 kg of cement, 6 kg of calcium sulphoaluminate, 4 kg of anhydrous gypsum and 2 kg of slaked lime was prepared in a pulverized mill to prepare a crude steel-type mixed cement at a powder density of 5000 cm ² / g.

Example  8

A mixture of 82 kg of cement, 9 kg of calcium sulphoaluminate, 6 kg of anhydrous gypsum and 3 kg of slaked lime was prepared as a crude steel mixed cement in a pulverized mill at a powder density of 5000 cm ² / g.

Example  9

A mixture of 76 kg of cement, 12 kg of calcium sulphoaluminate, 8 kg of anhydrous gypsum and 4 kg of slaked lime was prepared in a pulverized mill to prepare a crude steel-type mixed cement at a powder density of 5000 cm ² / g.

Example  10

A mixture of 70 kg of cement, 15 kg of calcium sulphoaluminate, 10 kg of anhydrous gypsum and 5 kg of slaked lime was prepared as a crude steel mixed cement at a powder milling rate of 5000 cm ² / g.

Example  11

A mixture of 94 kg of cement, 3 kg of calcium sulphoaluminate, ² kg of anhydrous gypsum and 1 kg of slaked lime was prepared as a crude steel-mixed cement in a pulverized mill at a powder density of 6000 cm ² / g.

Example  12

A mixture of 88 kg of cement, 6 kg of calcium sulphoaluminate, 4 kg of anhydrous gypsum and 2 kg of slaked lime was prepared from a grinding mill at a powder density of 6000 cm ² / g.

Example  13

A mixture of 82 kg of cement, 9 kg of calcium sulphoaluminate, 6 kg of anhydrous gypsum and 3 kg of slaked lime was prepared in a pulverized wheat mill at 6000 cm ² / g of powdered granulated cement.

Example  14

A mixture of 76 kg of cement, 12 kg of calcium sulphoaluminate, 8 kg of anhydrous gypsum and 4 kg of slaked lime was prepared in a pulverized mill to prepare a crude steel mixed cement with a powder content of 6000 cm ² / g.

Example  15

A mixture of 70 kg of cement, 15 kg of calcium sulfoaluminide, 10 kg of anhydrous gypsum, and 5 kg of slaked lime was prepared as a crude steel-mixed cement in a pulverized mill at a powder density of 6000 cm ² / g.

Example  16

The mixture was stirred with 80 kg of the crude steel-type mixed cement prepared in Examples 1 to 15, 20 kg of water and a water reducing agent 0.1 to prepare a mixed steel cement slurry.

Example  17

The mixture was stirred with 80 kg of the crude steel-type mixed cement prepared in Examples 1 to 15, 20 kg of water and 0.3 water reducing agent to prepare a crude steel-mixed cement slurry.

Example  18

The mixture was stirred with 80 kg of the crude steel-type mixed cement prepared in Examples 1 to 15, 20 kg of water and 0.5 water-reducing agent to prepare a crude steel-mixed cement slurry.

Example  19

The mixture was stirred with 65 kg of the crude steel-type mixed cement prepared in Examples 1 to 15, 20 kg of water and 0.1 water-reducing agent to prepare a crude steel-mixed cement slurry.

Example  20

The mixture was stirred with 65 kg of the crude steel-type mixed cement prepared in Examples 1 to 15, 20 kg of water and 0.3 of water reducing agent to prepare a crude steel-type mixed cement slurry.

Example  21

The mixture was stirred with 65 kg of the crude steel-type mixed cement prepared in Examples 1 to 15, 20 kg of water and 0.5 water-reducing agent to prepare a crude steel-mixed cement slurry.

Example  22

The mixture was stirred with 50 kg of the crude steel-type mixed cement prepared in Examples 1 to 15, 20 kg of water and a water reducing agent 0.1 to prepare a crude steel-mixed cement slurry.

Example  23

The mixture was stirred with 50 kg of the crude steel-type mixed cement prepared in Examples 1 to 15, 20 kg of water and a water reducing agent 0.3 to prepare a crude steel-mixed cement slurry.

Example  24

The mixture was stirred with 50 kg of the crude steel-type mixed cement prepared in Examples 1 to 15, 20 kg of water and 0.5 water-reducing agent to prepare a crude steel-mixed cement slurry.

Example  25

The ultra-light foam concrete wall was prepared by mixing and stirring 98 kg of the crude mixed cement slurry prepared in Examples 16 to 21, 1.5 kg of waste foamed polystyrene aggregate, and 0.5 kg of the foam group foamed with an animal foaming agent.

Example  26

The ultralight foam concrete wall was prepared by mixing and stirring 98 kg of the crude mixed cement slurry prepared in Examples 16 to 21, 1 kg of waste foamed polystyrene aggregate, and 1 kg of foam groups foamed with an animal foaming agent.

Example  27

The ultralight foam concrete walls were prepared by mixing and stirring 98 kg of the crude mixed cement slurry prepared in Examples 16 to 21, 0.5 kg of waste foamed polystyrene aggregate, and 1.5 kg of foam groups foamed with animal foaming agent.

Example  28

The ultralight foam concrete walls were prepared by mixing and stirring 94 kg of the crude mixed cement slurry prepared in Examples 16 to 21, 4.5 kg of waste foamed polystyrene aggregate, and 1.5 kg of foam groups foamed with an animal foaming agent.

Example  29

The ultralight foam concrete wall was prepared by mixing and stirring 94 kg of the crude mixed cement slurry prepared in Examples 16 to 21, 3 kg of waste foamed polystyrene aggregate, and 3 kg of foam groups foamed with an animal foaming agent.

Example  30

The ultra-light foam concrete wall was prepared by mixing and stirring 94 kg of the crude mixed cement slurry prepared in Examples 16 to 21, 1.5 kg of waste foamed polystyrene aggregate, and 4.5 kg of the foam group foamed with an animal foaming agent.

Example  31

90 kg of the crude steel mixed cement slurry prepared in Examples 16 to 21, 7.5 kg of waste foamed polystyrene aggregate, and 2.5 kg of foam groups foamed with animal foaming agent were mixed and stirred to prepare ultra-light foam concrete walls.

Example  32

The ultra-light foam concrete wall was prepared by mixing and stirring 90 kg of the crude steel mixed cement slurry prepared in Examples 16 to 21, 5 kg of waste foamed polystyrene aggregate, and 5 kg of foam groups foamed with an animal foaming agent.

Example  33

90 kg of the crude steel mixed cement slurry prepared in Examples 16 to 21, 2.5 kg of waste foamed polystyrene aggregate, and 7.5 kg of the foam group foamed with an animal foaming agent were mixed and stirred to prepare an ultra-light foam concrete wall.

Experimental Example  1 to 15

A binder composed of 70 to 94 kg of cement, 3 to 15 kg of calcium sulfoaluminide, 2 to 10 kg of anhydrous gypsum and 1 to 5 kg of slaked lime was pulverized and pulverized in a pulverized mill at 4000 to 6000 cm ² / g to obtain a binder composition The coagulation time was experimented.

division One species usually
Portland cement Calcium sulfo
Aluminate Anhydrous gypsum Lime lime Powder figure Setting time
(minute) One 94 3 2 One 4000 254 2 88 6 4 2 4000 231 3 82 9 6 3 4000 200 4 76 12 8 4 4000 186 5 70 15 10 5 4000 153 6 94 3 2 One 5000 204 7 88 6 4 2 5000 181 8 82 9 6 3 5000 159 9 76 12 8 4 5000 143 10 70 15 10 5 5000 127 11 94 3 2 One 6000 198 12 88 6 4 2 6000 173 13 82 9 6 3 6000 151 14 76 12 8 4 6000 132 15 70 15 10 5 6000 115

Experimental Example  16 ~ 21

The amount and the fluidity of the crude steel-mixed cement blend of Experimental Example 8 were tested by mixing 50 to 80% by weight of water, 20 to 50% by weight of water and 0.1 to 0.5% by weight of water reducing agent.

division
Slurry
liquidity
(Flow) The
Mixed cement
Experimental Example 8
Water
SP
sub Total kg kg kg kg mm 16 80 20 0.1 100.1 200 17 80 20 0.3 100.3 220 18 80 20 0.5 100.5 245 19 65 35 0.1 100.1 210 20 65 35 0.3 100.3 225 21 65 35 0.5 100.5 260 22 50 50 0.1 100.1 250 23 50 50 0.3 100.3 265 24 50 50 0.5 100.5 280

Experimental Example  25 to 33

1 to 5% by weight of the foamed foamed polystyrene aggregate and 1 to 5% by weight of the foamed foamed polystyrene aggregate and the animal foaming agent were prepared in the ultra-light foam concrete wall according to the mixing ratio. It was.

division
Slurry Bubble group
sub Total
Filling property
(Flow)
compression
burglar
Attach
burglar
Dry density
The
Mixed cement Closed foam
Polystyrene
Foaming agent kg kg kg kg mm kg / cm2 kg / cm2 25 98 1.5 0.5 100 90 24.1 5.7 0.98 26 98 One One 100 105 22.5 5.1 0.81 27 98 0.5 1.5 100 120 19.2 4.7 0.83 28 94 4.5 1.5 100 115 23.5 5.2 0.74 29 94 3 3 100 130 21.7 4.9 0.77 30 94 1.5 4.5 100 145 20.1 4.2 0.79 31 90 7.5 2.5 100 120 19.6 4.8 0.70 32 90 5 5 100 145 18.8 4.5 0.71 33 90 2.5 7.5 100 160 16.0 3.9 0.73

Claims (4)

In the ultra-light foam concrete wall composition,
50 to 80% by weight of a mixture of 70 to 94 kg of cement, 3 to 15 kg of calcium sulfoaluminate, 2 to 10 kg of anhydrous gypsum and 1 to 5 kg of slaked lime and pulverized in a pulverized mill at 4000 to 6000 cm ² / A mixture of 20 to 50% by weight of water and 0.1 to 0.5% by weight of a water reducing agent,
The granulated cement slurry is prepared by mixing 90 to 98% by weight of the crude steel-based mixed cement slurry and 1 to 8% by weight of pulverized expanded polystyrene having a particle size in the range of 0.002 to 0.010 and a particle size of 2 mm to 15 mm
An ultra-light foam concrete wall composition, comprising diluting an animal-to-vegetable foaming agent with water at a ratio of 1:25 to 50% by weight, and then mixing the group of bubbles foamed by compressed air at 1 to 8% by weight.
In the manufacturing method of the ultra-light drywall using the manufacturing method of the ultra-light foam concrete wall composition,
Step 1 to prepare a crude steel mixed cement pulverized in a milling mill with a powder of 4000 ~ 6000cm ² / g of a binder composed of cement 79 ~ 94kg, calcium sulfoaluminate 3 ~ 15kg, anhydrous gypsum 2 ~ 10kg, calcined lime 1 ~ 5kg;
Preparing a crude mixed cement slurry by stirring 50 to 80 wt%, 20 to 50 wt% of mixed water and 0.1 to 0.5 wt% of a water reducing agent when preparing the crude mixed cement in a volume of 1M3;
2-stage crude mixed cement slurry and granules of spherical shape having a particle diameter of 0.002 ~ 0.010 and a particle size of 2 ~ 15 mm were mixed and stirred at a ratio of 1 ~ 8 wt% to prepare a lightweight mixed cement slurry Three steps;
After diluting the three-step crude steel-type lightweight mixed cement slurry with an animal foaming agent containing a polypeptide compound as a main component or a vegetable foaming agent containing a polyacrylate compound at a ratio of 1:25 to 50% by weight with water, Four steps of producing the foamed foam polystyrene foam concrete by stirring the bubble group prepared by foaming at a ratio of 1 to 8% by weight;
And a fifth step of injecting and curing the foamed polystyrene foamed foam concrete prepared in step 4 into a molding mold. 5.
The ultra-light foam concrete composition according to claim 2, wherein the step 5 comprises at least 5kg / cm2 of compressive strength separated from the mold, at least 1kg / cm2 of adhesive strength or separation of the mold within 5 to 12 hours after filling the mold. Method for producing ultra-light foam concrete wall used.
The method of manufacturing an ultra-light foamed concrete wall using the ultra-light foamed concrete composition, characterized in that the dry density of the ultra-light foamed concrete lightweight wall prepared in step 5.

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