JP2003321259A - Non-clinker white and colored cements comprising water- granulated slag and their preparation processes - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To produce an inexpensive non-clinker white cement comprising a water-granulated slag which shows a high initial strength and a long-term strength and cures rapidly, and to provide a preparation process therefor. <P>SOLUTION: The white cement prepared without employing any clinker preparation step has a composition containing, by mass, 60-95% water-granulated slag, 4.5-15% gypsum, 0.5-2.5% alkaline substance or basic oxidized substance, 0-4% limestone, 0-3% aluminum sulfate, 0-3% rapid hardening agent and 0-3% thickener as raw materials. The composition comprises, by mass, 25-45% SiO<SB>2</SB>, 35-65% CaO, 3-20% Al<SB>2</SB>O<SB>3</SB>, 0-1% Fe<SB>2</SB>O<SB>3</SB>, 2-20% MgO and 2.5-10% SO<SB>3</SB>as chemical components. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a non-clinker granulated slag white cement and a method for producing the same, and more specifically, to granulated slag fine powder of gypsum, an alkaline substance or a basic oxidizer, if necessary. It is a mixture of fine powder of limestone, aluminum sulphate, pre-hardening agent and thickening agent according to a predetermined mixing ratio, high initial strength and long-term strength, rapid hardening, and inexpensive non-clinker water. TECHNICAL FIELD The present invention relates to crushed slag white cement and a method for producing the same.

Furthermore, the present invention relates to a non-clinker granulated slag color cement and a method for producing the same, and more specifically, to the non-clinker granulated slag white cement by adding a pigment to the non-clinker granulated slag white cement. The present invention relates to a colored non-clinker granulated slag color cement having the following characteristics and a method for producing the same.

[0003]

2. Description of the Related Art Conventionally, the problems to be solved by the invention
Granulated slag cement, high sulfate cement, and the like are known as cements containing granulated slag as a main component. However, these cements have low initial strength development, poor surface hardness and wear resistance of the cured product, and are prone to weathering and disintegration within a short period of time, and their applications are considerably limited. is the current situation.

On the other hand, although Portland cement, which is used in large quantities at present, has high initial strength and long-term strength, its main components are silica (silicon dioxide), alumina (aluminum oxide) and lime (calcium oxide). And calcium hydroxide) are mixed thoroughly at an appropriate mixing ratio, and a suitable amount of gypsum is added to the clinker obtained through the process of melting and sintering and crushed. There was a problem of being expensive. Further, since clinker is used, the heat of hydration is high, resources and energy are required, and carbon dioxide emission is also a problem.

The present invention has been made in view of the above circumstances. It has high initial strength and long-term strength and does not use clinker, so that it has a low heat of hydration and excellent chemical resistance, surface hardness and abrasion resistance. Not only is it possible to obtain weathering resistance, but because the firing process for producing the clinker is not required in the production process, it is possible to save a large amount of resources and energy, and further, the carbon dioxide emission amount. Since it also significantly decreases, non-clinker granulated slag white cement and a method for producing the same, which can greatly contribute to global warming and prevention of environmental pollution, and by adding a pigment to the non-clinker granulated slag white cement. , Having the characteristics of the above non-clinker granulated slag white cement,
An object of the present invention is to provide a non-clinker granulated slag color cement that can be suitably used as a mortar for surface finishing of various structures and a decorative material, and a method for producing the same.

[0006]

Means for Solving the Problems As a result of intensive studies to achieve the above-mentioned object, the present inventor has found that, in granulated slag, gypsum, an alkaline substance or a basic oxide substance, limestone if necessary, a rapid hardening agent. It was discovered that the latent hydraulic property of the water granulated slag is exerted by adding in an appropriate ratio, and the water granulated slag white cement is obtained without producing a clinker, and the present invention has been completed.

In the present invention, the latent hydraulic property of the granulated slag is
As a principle to be demonstrated, first, the added alkaline substance
Depending on the quality and fast-curing agent, etc.
Since a high pH (> 12) can be maintained continuously,
The acidic thin film formed on the surface of the particle
It Therefore, Si existing inside the particles_TwoO and Al _Two
O_ThreeEtc. are eluted, and gypsum and alkaline substances, fast hardening agents, etc.
The hydration reaction with the throat causes the latent hydraulic properties of the granulated slag to be exhibited.
It

Therefore, the present invention provides (1) clinker production
Non-clinker granulated slag white cement that does not go through the process
Yes, granulated slag, gypsum and alkaline substances or bases
A composition in which a reactive oxidant is blended as a raw material.
Substance as a chemical component, SiO _Two  25-45% by mass, C
aO 35-65 mass%, Al_TwoO_Three  3 to 20 mass
%, Fe_TwoO_Three  0-1 mass%, MgO 2-20 mass
% And SO_Three  Contain 2.5 to 10% by mass
And preferably with respect to the entire composition
60-95% by mass of water granulated slag, 4.5-
15% by mass of the above alkaline substance or basic oxidizing substance
0.5 to 2.5% by mass, more preferably,
Select from limestone, aluminum sulfate, pre-hardening agent and thickener
Non-clinker containing at least one substance
-Granulated slag white cement, and (2) above (1)
Non-clinker granulated slag white cement
A non-clinker granulated slurry characterized by containing ingredients
Providing glacal cement.

Further, the present invention is (3) a method for producing the non-clinker granulated slag white cement described in (1) above, wherein the above raw materials are mixed at the above predetermined mixing ratio to prepare a mixed raw material. The mixed material has a Blaine specific surface area of 4,
A method for producing a non-clinker water granulated slag white cement, which comprises pulverizing so as to be in a range of 000 to 15,000 cm ² / g, (4) A non-clinker water granulated slag white cement described in (1) above. And a Blaine specific surface area of 4,000 to 15,000 cm
^A method for producing a non-clinker granulated slag white cement, characterized in that the raw material of ² / g is mixed in the predetermined mixing ratio, and (5) the non-clinker granulated water of (3) or (4) above. Provided is a method for producing a non-clinker granulated slag color cement, which further comprises the step of adding a pigment to the method for producing a slag white cement.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in more detail below. The non-clinker granulated slag white cement of the present invention comprises granulated slag, gypsum and an alkaline substance or a basic oxidant as raw materials, and each of these raw materials is used. The chemical composition of the admixture (composition) is SiO ₂ 25-45% (mass%,
The same shall apply hereinafter), CaO 35 to 65%, Al ₂ O ₃ 3 to
20%, Fe ₂ O ₃ 0 to 1%, MgO 2 to 20%, and SO ₃ 2.5 to 10%, and the raw material powder is clinker by such a composition. It is possible to produce a non-clinker granulated slag cement that does not go through the step (calcination step). Here, the non-clinker granulated slag white cement of the present invention has Fe ₂ O ₃ 0 to 0 as its chemical components.
It contains 1%, and Fe ₂ O ₃ may be contained, but the content thereof is required to be 1% or less. However, the content of this chemical component is in the case of white cement, and as will be described later, as a pigment of the non-clinker granulated slag color cement of the present invention, for example, red iron oxide red iron oxide (Fe ₂ O ₃ ) is added. The above-mentioned color cement does not include the content of chemical components due to the pigment.

Further, in the case of the present invention, the above-mentioned non-clinker granulated slag white cement contains granulated slag, gypsum and an alkaline substance or a basic oxidizing substance as essential components, and these are blended so as to have the above-mentioned chemical component composition. Is something
As long as it has the above-mentioned chemical component composition, limestone does not necessarily have to be blended as a raw material, but it is more suitable to further blend limestone as a raw material, and in this case, it is necessary to blend so as to have the above-mentioned chemical component composition. It is a thing. Furthermore, it is more preferable that the non-clinker granulated slag white cement of the present invention further contains at least one of aluminum sulfate, a pre-hardening agent and a thickening agent.

The granulated slag of the present invention is blast furnace granulated slag obtained in the pig iron manufacturing process, and is composed of SiO ₂ , Al ₂ O ₃
And CaO as the main components, and, for example, SiO ₂ 33 to 35% (mass%, the same hereinafter), Al
₂ O ₃ 14 to 18%, CaO 38 to 45%, MgO 4 to
Those having a composition of 8% and Fe ₂ O ₃ 0.5 to 2% are commercially available.

The type of gypsum of the present invention is not particularly limited, and those generally used as raw materials for cement can be used. Examples of such gypsum include anhydrous gypsum, Hemihydrate gypsum, dihydrate gypsum, phosphate gypsum, desulfurization gypsum and the like can be mentioned, and these can be used alone or in combination of two or more kinds.

The type of the alkaline substance or basic oxidizing substance of the present invention is not particularly limited, and those generally used as raw materials for cement can be used. , More specifically, alkali metals such as NaOH and KOH (first I
Group) hydroxides, alkaline earth metal (Group II) hydroxides such as Ca (OH) ₂ and metals such as Al (OH) ₃ (Group I)
Group II) hydroxide or amphoteric hydroxide, Na ₂ O, K ₂ O
Examples thereof include alkali metal (group I) oxides such as CaO, alkaline earth metal (group II) oxides such as CaO, metal (group III) oxides such as Al ₂ O _{3 and} amphoteric oxides. These can be used alone or in appropriate combination of two or more.

The type of limestone of the present invention is particularly
It is usually not limited to
You can use the limestone that has been used as
Limestone fine powder is preferred. More specifically, for example,
Specific surface area of 4,500-10,000 cm^Two/ G,
Especially 6,000-10,000 cm^Two/ G range
Limestone with high fineness is suitable. Thus the fineness
When high limestone is used, it is generated by the hydration reaction of granulated slag
Filling the pores to increase the density and part of it
Ettringite (3CaO ・ Al_TwoO_Three・ 3CaSO_Four
・ 31-33H _TwoA compound represented by O in the cement
Sulfate in (formed by reaction of gypsum and aluminate phase)
To form a new crystal, the substituted sulfate
Generates new ettringite to strengthen the bond strength of the cured product
This is because that.

The type of aluminum sulfate of the present invention is not particularly limited, and any one of anhydrous aluminum sulfate and hydrous aluminum sulfate can be used alone or in combination of two types.

The type of the rapid hardening agent of the present invention is particularly
As a raw material for cement, it is not limited
Use the used inorganic and organic fast hardening agents
More specifically, as an example of such a rapid hardening agent,
Sodium aluminate (mNa_TwoO ・ Al_TwoO_Three) Etc.
Inorganic fast hardening agent, triethanolamine (N (CH_TwoCH _Two
OH)_Three) And other organic pre-hardening agents.
These are used alone or in appropriate combination of two or more.
can do.

The non-clinker granulated slag white cement of the present invention is further improved in its initial strength by blending the above-mentioned rapid hardening agent. That is, the fast-curing agent dissolves in water to become ions, and the migration thereof accelerates the hydration reaction of the inorganic electrolyte of the granulated slag, and the calcium silicate hydrates as the degree of supersaturation of Ca (OH) ₂ increases. Thing (C-
Crystallization of hydration products such as S-H gel) becomes active.

The type of the thickener of the present invention is not particularly limited, and compounds generally used as a raw material for cement can be used. Specifically, for example, hydroxyethyl cellulose (HEC), sodium polyacrylate (PEC)
AAc-Na) etc. can be mentioned, and these can be used individually by 1 type or in combination of 2 or more types.

By blending the above thickener, the surface hardness, abrasion resistance and weather resistance of the non-clinker granulated slag white cement of the present invention can be improved.

In the non-clinker granulated slag white cement of the present invention, the content of the chemical components in the composition (non-clinker granulated slag white cement) of each of the above raw materials is SiO ₂
25-45%, CaO 35-65%, Al ₂ O ₃ 3.
_{~20%, Fe 2 O 3 0~1} %, MgO 2~20%
And SO _{3 to be} 2.5 to 10%. As long as it has such a chemical composition, the blending amount of each of the above raw materials is not particularly limited, but the above granulated slag is 60 to 95%, and the above gypsum is based on the total amount of the non-clinker granulated slag white cement. 4.5 to 15%, the above-mentioned alkaline substance or basic oxidant 0.5 to 2.5%
It is preferable to blend in the range of.

If the blended amount of the granulated slag is too large, other raw materials may not be blended in the required amount in some cases, and if it is too small, the long-term strength may be lowered. If the amount of plaster is too large, there is a risk of false setting, and if it is too small,
Early strength may be reduced. If the amount of the alkaline substance or basic oxide substance is too large, the chemical resistance is high, but the early strength may be low.

Here, in the non-clinker granulated slag white cement of the present invention, as described above, as long as the content of the chemical components is in the above range, limestone may be unblended, and its preferable blending amount is Is 0 to 4% with respect to the total amount of the non-clinker granulated slag white cement. However, when the above-described effects of limestone are required, it is desirable to mix them in a more preferable compounding amount range described later. . If the content of limestone is too large, the amount of hydrated products may decrease, and early strength and long-term strength may decrease.

The content of the aluminum sulfate in the non-clinker granulated slag white cement of the present invention is 0 to 3% by mass with respect to the total amount of the non-clinker granulated slag white cement. , 0 to 3% by mass based on the total amount of non-clinker granulated slag white cement, and the compounding amount of the thickener is preferably 0 to 3% by mass relative to the total amount of non-clinker granulated slag white cement. If the content of aluminum sulfate is too large, the chemical resistance will be high, but the early strength may be low.If the content of the early hardening agent is too large, it may be difficult to use as cement because of instantaneous setting. is there. If the blending amount of the thickening agent is too large, the movement of the ions becomes slow and the early strength may be lowered.

The non-clinker granulated slag white cement of the present invention, as long as its chemical component content falls within the above range,
Similar to the above-mentioned limestone, aluminum sulfate as a raw material, a pre-hardening agent, and a thickening agent may be unblended, but by adding these, the effects as described above are obtained. The blending amount of each of the above raw materials is more preferably in the following range.

That is, the granulated slag is more preferably 75 to 90%, further preferably 85 to 89%, and the gypsum is more preferably 7 to the total amount of the above granulated white slag cement.
12%, more preferably 10-12%, alkaline or basic oxidant is preferably 0.5-3%, more preferably 0.5-2%, limestone is more preferably 1-4.
%, More preferably 2 to 4%, aluminum sulfate is more preferably 0.5 to 3%, still more preferably 1 to 2%, and an early hardening agent is more preferably 0.5 to 3%, still more preferably 1%.
˜2%, the thickener is more preferably 0.5 to 3%, still more preferably 0.5 to 2%.

The non-clinker granulated slag white paste of the present invention
Ment, the content of chemical components in its composition within the above range
The clinker generation process (calcination process)
Without having to go through the
And a non-clinker of the present invention.
-The content of chemical components in granulated white slag cement is
More preferably SiO_Two  25-40%, CaO 40-65
%, Al_TwoO_Three  10-20%, Fe_TwoO_Three  0-0.
6%, MgO 4-20%, SO_Three  3-10% more
Preferably SiO_Two  28-35%, CaO 40-5
6%, Al_TwoO _Three  15-20%, Fe_TwoO_Three  0 to
0.4%, MgO 4-10%, SO_Three3-8% is suitable
Is.

The non-clinker granulated slag white cement of the present invention may contain, in addition to the above-mentioned components, various components which are usually blended with the white cement, within a range that does not impair the effects of the present invention. .

Next, the non-clinker granulated slag color cement of the present invention is obtained by further adding a pigment to the non-clinker granulated slag white cement of the present invention. Here, the pigment is not particularly limited in its type, and for example, various pigments usually blended in color concrete can be used, and specifically, for example, a blue pigment for cement, a yellow pigment, Examples include purple pigments, red pigments and the like.

The blending amount of the above-mentioned pigment in the non-clinker water granulated slag color cement of the present invention is not particularly limited and can be appropriately selected depending on the kind of the pigment, the desired shade, etc. It is suitable to add 3 to 10%, preferably 5 to 10%, and more preferably 5 to 7% to the total amount of the clinker granulated slag white cement. If the blending amount of the above-mentioned pigment is too small, it may be difficult to color sufficiently, and if it is too large, the production cost may increase and the development of strength may be delayed.

The method for producing the non-clinker water granulated slag white cement and the non-clinker water granulated slag color cement of the present invention is not particularly limited, except that it does not undergo the firing step in which the raw material is clinker. The production method according to the present invention, which will be described in detail, is more preferable because it can be produced with simple equipment such as a weighing machine, a mixer, and a crusher.

The first production method of the present invention is a mixing step of mixing the above-mentioned raw materials at the above-mentioned predetermined mixing ratio to obtain a mixed raw material, and then the mixed material having a Blaine specific surface area of 4,000 to 1.
The above-mentioned granulated white slag cement is produced by a pulverizing step of pulverizing so as to be in a range of 5,000 cm ² / g.

Here, the types of the mixer and the crusher used in the mixing step and the crushing step are not particularly limited, and known mixers and crushers used in the ordinary cement manufacturing step are used. Can also be used
The mixing and crushing conditions in each step can also be performed under the normal conditions of each device.

The crushing step requires crushing so that the Blaine specific surface area of the mixed material is in the range of 4,000 to 15,000 cm ² / g. If the Blaine specific surface area is too small, the reactivity of the granulated slag is almost eliminated, and if it is too large, the production cost becomes high and the shrinkability becomes large. The Blaine specific surface area of the mixed material is preferably 4,000 to 8,000 cm ² /
g, more preferably 4,500 to 6,000 cm ² / g
Is the range.

In the second production method of the present invention, the Blaine specific surface area of the raw material is 4,000 to 15,000.
The non-clinker granulated slag white cement is produced by using a material having a cm ² / g content and mixing the raw materials in the predetermined mixing ratio.

In the case of the second production method, in order to make the fineness (Blaine specific surface area) of the raw material used within the above range,
A raw material having the above fineness may be selected and used in advance, or a raw material having the above fineness may be used by appropriately using a crusher. In the second manufacturing method, the fineness of the raw material is set to the above range for the same reason as the fineness of the mixed material is set to the above range in the first manufacturing method, and is also preferable. The range of fineness is similar to that of the mixed material of the first manufacturing method.

The mixer and crusher used in the second manufacturing method are the same as in the first manufacturing method.

Further, according to the method for producing a non-clinker water granulated slag color cement of the present invention, which further comprises the step of adding the pigment, in addition to the above steps in the method for producing the non-clinker water granulated slag white cement. The non-clinker granulated slag color cement can be easily manufactured at low production cost. Incidentally, the procedure of the step of adding the addition of the pigment is not particularly limited, for example, it may be simultaneous with the mixing step of each raw material of the non-clinker granulated slag white cement, the non-clinker granulated slag. After obtaining the white cement, a pigment may be added thereto.

The non-clinker granulated slag white cement of the present invention is rapidly hardened by simply mixing it with water, has high initial strength and long-term strength, and has excellent chemical resistance, surface hardness, abrasion resistance and weather resistance. It is also possible to obtain an excellent cured product. Therefore, the non-clinker granulated slag white cement of the present invention can be used in the same manner as conventional Portland cement, granulated blast furnace cement, white cement, etc.
For example, by mixing with a regular amount of water, it can be used as a cement paste having the above properties,
Also, by further mixing aggregates as needed,
It can be used as mortar and concrete having the above characteristics.

Since the non-clinker granulated slag color cement of the present invention can be colored arbitrarily, it is suitable as, for example, a mortar for surface finishing of various structures having the above characteristics, a decorative material, and a color concrete. used.

[0041]

According to the present invention, the initial strength and long-term strength are high, and not only rapid curing but also excellent chemical resistance, surface hardness, abrasion resistance and weather resistance can be obtained, and An inexpensive non-clinker granulated slag white cement and a non-clinker granulated slag color cement having the above properties and suitable as a mortar for surface finishing of various buildings and a decorative material can be obtained. In addition, these non-clinker granulated slag cements can save a large amount of resources and energy when producing them, and can significantly reduce carbon dioxide emissions, thus preventing global warming and environmental pollution. In addition, the weighing machine,
Since it can be manufactured with simple equipment such as a mixer and a crusher, the production cost can be reduced.

[0042]

EXAMPLES The present invention will be specifically described below with reference to Examples and Comparative Examples, but the present invention is not limited to the following Examples.

Examples 1 to 3 and Comparative Examples 1 to 3 86% by mass of granulated slag (made in Korea), 4% by mass of gypsum dihydrate and 4% by mass of anhydrous gypsum, 1% by mass of slaked lime (Ca (OH) ₂ ). , Limestone (made in Korea) 4% by mass, pre-hardening agent (made in Korea, mNa ₂ O
Al ₂ O ₃ ) 1% by mass is mixed and mixed to obtain a mixed material, and the mixed material has a Blaine specific surface area of 4,500.
Crushed to a range of ~ 6,000 cm ² / g,
The non-clinker granulated slag white cement of Example 1 was obtained.

Granulated slag (made in Korea) 86% by mass, anhydrous gypsum 10% by mass, slaked lime (Ca (OH) ₂ ) 1% by mass, limestone (made in Korea) 2% by mass, hydrous aluminum sulfate (Al)
₂ (SO ₄ ) ₃ · 14-18H ₂ O) 1% by mass,
The mixed material is mixed to obtain a mixed material, and then the mixed material is ground to have a Blaine specific surface area of 4,500 to 6,000 cm ² / g to obtain the non-clinker granulated slag white cement of Example 2. It was

Granulated slag (made in Korea) 85.5% by mass, anhydrous gypsum 12% by mass, slaked lime (Ca (OH) ₂ ) 1% by mass, fast hardening agent (made in Korea, mNa ₂ O.Al ₂ O ₃ ). 1% by mass, thickener (Japanese polysodium acrylate (PAAC-
Na)) 0.5% by mass, pigments (red iron oxide),
5% by mass of iron oxide (Fe ₂ O ₃ made in Korea) is mixed and mixed to obtain a mixed material, and then the mixed material is adjusted so that the Blaine specific surface area is in the range of 4,500 to 6,000 cm ² / g. Crushing was performed to obtain a non-clinker granulated slag color cement of Example 3. The chemical components of the granulated white slag cements of Examples 1 to 3 are as shown in Table 1. In the case of the color cement of Example 3, red iron oxide (Fe ₂ O ₃ ) was mixed as the red pigment, so the amount of the chemical component Fe ₂ O ₃ contained in the composition was 5.04% by mass. Of Fe ₂ as white cement before the addition of pigment
The amount of O ₃ is 0.04 mass%, which is the chemical composition of the present invention.

On the other hand, Portland cement, white cement and granulated blast furnace slag cement, which are commercially available in Korea and have the chemical components shown in Table 1, were used as Comparative Examples 1 to 3.

The setting, compressive strength, etc. of the cements of Examples 1 to 3 and Comparative Examples 1 to 3 were measured according to the standard test of white cement in Korea. The results are shown in Table 2. In addition,
Table 1 shows the standard of chemical composition of white cement in Korea, and Table 2 shows the standard of white cement in Korea.

[0048]

[Table 1]

[0049]

[Table 2]

Further, the heats of hydration by the cements of Examples 1 to 3 when water was added to the respective cements in the proportions shown in Table 1 and kneaded were compared with the heats of hydration by the cements of Comparative Examples 1 to 3. It was low.

In the above-mentioned Examples 1 to 3, the Blaine specific surface area was previously set to 4,500-as the raw material.
Use the one that is adjusted to 6,000 cm ² / g,
Similar results were obtained with the non-clinker granulated slag white cement and the non-clinker granulated slag color cement mixed in the above-mentioned predetermined mixing ratio.

Claims (12)

[Claims] 1. A non-clinker granulated slag white cement that does not undergo a clinker manufacturing process, which is a composition in which granulated slag, gypsum, an alkaline substance or a basic oxidizing substance is blended as a raw material, and the composition is a chemical composition. As a component, Si
O ₂ 25 to 45% by weight, CaO 35 to 65 wt%,
Al ₂ O ₃ 3~20 _wt%, Fe ₂ O 3 0 to 1 wt%, 2 to 20 wt% MgO and _SO 3 2.5 to 10
A non-clinker granulated slag white cement, which is characterized by containing mass%. 2. The granulated slag is contained in an amount of 60 to 95% by mass, the gypsum in an amount of 4.5 to 15% by mass, and the alkaline or basic oxidant in an amount of 0.5 to 100% by mass based on the total composition.
The non-clinker granulated slag white cement according to claim 1, which is blended with 2.5% by mass. 3. The non-clinker granulated slag white cement according to claim 1 or 2, further comprising at least one substance selected from limestone, aluminum sulfate, a rapid hardening agent and a thickening agent. 4. The content of the limestone is 0 to 4% by mass, the content of the aluminum sulfate is 0 to 3% by mass, and the content of the pre-hardening agent is 0 to 3% by mass with respect to the entire composition. %,
The non-clinker granulated slag white cement according to claim 3, wherein the content of the thickener is 0 to 3% by mass. 5. The gypsum is selected from the group consisting of anhydrous gypsum, hemihydrate gypsum, gypsum dihydrate, gypsum phosphate and desulfurized gypsum 1.
The non-clinker granulated slag white cement according to any one of claims 1 to 4, which is one kind or two or more kinds. 6. The alkaline substance or basic oxidizing substance
But Ca (OH)_Two, NaOH, KOH, Al (OH)
_Three, CaO, Na_TwoO, K_TwoO and Al_TwoO _ThreeConsists of
The compound is one or more compounds selected from the group.
The non-clinker granulated slurry according to any one of 1 to 5
White cement. 7. The non-clinker granulated slag white cement according to claim 3, wherein the aluminum sulfate is anhydrous aluminum sulfate and / or hydrous aluminum sulfate. 8. The non-clinker granulated slag white cement according to claim 3, wherein the fast-curing agent is an inorganic fast-curing agent and / or an organic fast-curing agent. 9. A non-clinker granulated slag color cement comprising the non-clinker granulated slag white cement according to claim 1 and a pigment further added thereto. 10. A method for producing the non-clinker water granulated slag white cement according to claim 1, wherein the raw materials are mixed at a predetermined mixing ratio to prepare a mixed raw material, and the mixed raw material is then mixed. The mixed material has a Blaine specific surface area of 4,
A method for producing a non-clinker granulated slag white cement, which comprises crushing to a range of 000 to 15,000 cm ² / g. 11. A method for producing the non-clinker granulated slag white cement according to claim 1, which has a Blaine specific surface area of 4,000 to 15,000.
A method for producing a non-clinker granulated slag white cement, which comprises mixing the above-mentioned raw material of 0 cm ² / g in the above-mentioned predetermined mixing ratio. 12. A method for producing a non-clinker water granulated slag color cement, which further comprises the step of adding a pigment to the method for producing the non-clinker water granulated slag white cement according to claim 10.