CN109809753B - Crack-resistant corrosion-resistant inorganic artificial stone and preparation method and application thereof - Google Patents
Crack-resistant corrosion-resistant inorganic artificial stone and preparation method and application thereof Download PDFInfo
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Abstract
The invention provides an anti-cracking corrosion-resistant inorganic artificial stone and a preparation method and application thereof, relating to the technical field of building materials. The crack-resistant corrosion-resistant inorganic artificial stone is mainly prepared from raw materials such as an alkali-free slag excitant, granulated blast furnace slag powder, aggregate, a water reducing agent, a coagulation accelerator and water, wherein the alkali-free slag excitant and the granulated blast furnace slag powder can be compounded, a cementing material formed by compounding has high bending resistance and high compressive strength performance, sulfate resistance and acid corrosion resistance, and meanwhile the cementing material has a function of inhibiting whiskering so as to reduce the whiskering of the prepared inorganic artificial stone; in addition, the anti-cracking corrosion-resistant inorganic artificial stone has low manufacturing cost and strong market competitiveness. The invention also provides a preparation method of the crack-resistant corrosion-resistant inorganic artificial stone, which has the advantages of simple process and convenient operation and is suitable for industrial production.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to an anti-cracking corrosion-resistant inorganic artificial stone and a preparation method and application thereof.
Background
The building decoration stone resource is increasingly deficient, and with the guidance of the dual policies of transformation upgrading and environmental protection regulation in the stone industry, the production of natural stones is seriously affected and the price is higher and higher. The artificial stone industry is more and more concerned by the building industry and the building material industry.
The artificial stone is generally an artificial stone solid plane material, an artificial stone quartz stone, an artificial stone granite and the like, and is mainly divided into two categories of organic artificial stone and inorganic artificial stone. The organic artificial stone is divided into resin type artificial stone and composite artificial stone, wherein the resin type artificial stone is prepared by mixing unsaturated polyester resin as cementing agent with natural marble broken stone, quartz sand, calcite, stone powder or other inorganic fillers according to a certain proportion, adding additives such as catalyst, curing agent, pigment and the like, and processing through a series of procedures. The product using the unsaturated polyester has good gloss, bright and rich color and good decorative effect, but has obvious defects, such as high cost, large pollution in the production process, poor fireproof performance and weather resistance of the product, easy peeling, warping deformation and the like. In contrast, inorganic artificial stone is an urgent need in the market. At present, white portland cement is mostly adopted as a cementing material for the inorganic artificial stone, so that the inorganic artificial stone has large shrinkage, is easy to return alkali and is easy to deform and crack; the aluminate cement or sulphoaluminate cement and silicate cement are compounded for application, but the defects of poor stability, easy efflorescence and poor carbonization resistance exist; when large-volume raw materials are manufactured, the heat release is large and concentrated, and powder generation or cracking inside the raw materials is directly caused.
In view of the above, a technical solution is proposed to solve at least one of the above problems.
Disclosure of Invention
The first purpose of the invention is to provide an anti-cracking and corrosion-resistant inorganic artificial stone, which has good anti-cracking and corrosion-resistant performance through the limitation of raw materials and dosage.
The second purpose of the invention is to provide a preparation method of the crack-resistant corrosion-resistant inorganic artificial stone, which has simple process and convenient operation and is suitable for industrial production.
The third purpose of the invention is to provide the application of the crack-resistant and corrosion-resistant inorganic artificial stone.
In order to achieve the above purpose of the present invention, the following technical solutions are adopted:
the invention provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 10-14% of the weight of the powder;
wherein the powder comprises the following raw materials in parts by weight: 40.0-52.8% of granulated blast furnace slag powder, 7.0-15.0% of alkali-free slag excitant, 39.8-52.74% of aggregate, 0.06-0.5% of water reducing agent and 0.01-0.20% of coagulant, wherein the sum of the weight percentages of the raw materials of the powder is 100%.
Further, on the basis of the technical scheme, the gelled material formed by the granulated blast furnace slag powder and the alkali-free slag excitant can be completely or partially replaced by the quick-setting quick-hardening high belite sulphoaluminate cement in an equivalent manner;
and/or the gelled material formed by the granulated blast furnace slag powder and the alkali-free slag excitant can be completely or partially replaced by white quick-setting quick-hardening high belite sulphoaluminate cement in equal quantity;
and/or the gelled material formed by the granulated blast furnace slag powder and the alkali-free slag excitant can be completely or partially replaced by the modified white cement in equal quantity;
and/or the gelled material formed by the granulated blast furnace slag powder and the alkali-free slag excitant can be partially and equally replaced by white portland cement.
Further, on the basis of the technical scheme, the raw material of the crack-resistant corrosion-resistant inorganic artificial stone comprises fibers, and the weight fraction of the fibers is 0.01-3.0%;
and/or the raw material of the crack-resistant corrosion-resistant inorganic artificial stone comprises a retarder, wherein the weight fraction of the retarder is 0.01-0.3%;
and/or the raw material of the crack-resistant corrosion-resistant inorganic artificial stone comprises a defoaming agent, wherein the weight fraction of the defoaming agent is 0.01-0.2%;
and/or the raw material of the crack-resistant corrosion-resistant inorganic artificial stone comprises a pigment, wherein the weight fraction of the pigment is 0.01-4.0%;
and/or the raw materials of the crack-resistant corrosion-resistant inorganic artificial stone comprise micro-beads, and the weight fraction of the micro-beads is 0.01-6.0%.
Further, on the basis of the technical scheme, the fiber is any one or a combination of at least two of alkali-resistant glass fiber, carbon fiber, basalt fiber, polyvinyl alcohol fiber, polyacrylonitrile fiber, high-density polyethylene fiber, polyamide fiber, polyimide fiber, polypropylene fiber or aramid fiber;
and/or the retarder is any one or the combination of at least two of boric acid, borax, sodium gluconate, tartaric acid, citric acid or sodium citrate;
and/or the defoaming agent is an organic silicon defoaming agent or polyether defoaming agent.
Further, on the basis of the technical scheme, the alkali-free slag excitant is a granulated blast furnace slag excitant.
Further, on the basis of the above technical solution, the aggregate includes any one of quartz sand, crushed toughened glass, or granular natural stone, or a combination of at least two of the above.
Further, on the basis of the technical scheme, the water reducing agent comprises any one or a combination of at least two of a polycarboxylic acid water reducing agent, a melamine water reducing agent, a naphthalene water reducing agent or an AE water reducing agent;
and/or the set accelerator comprises any one or a combination of at least two of lithium carbonate, lithium sulfate, lithium hydroxide or lithium chloride.
The invention also provides a preparation method of the crack-resistant corrosion-resistant inorganic artificial stone, which comprises the following steps:
mixing the raw materials, placing the mixture into a mold, carrying out extrusion forming under the conditions of vacuumizing and vibration, demolding and drying the formed plate, and polishing the surface to obtain the crack-resistant corrosion-resistant inorganic artificial stone;
or mixing the raw materials, placing the mixture in a mold, performing flow forming under a vibration condition, demolding and drying the formed plate, and polishing the surface to obtain the crack-resistant corrosion-resistant inorganic artificial stone.
Further, on the basis of the technical scheme, when the extrusion molding is carried out under the conditions of vacuum pumping and vibration, the pressure is not less than 0.6 MPa.
The invention also provides application of the crack-resistant corrosion-resistant inorganic artificial stone or the crack-resistant corrosion-resistant inorganic artificial stone prepared by the preparation method of the crack-resistant corrosion-resistant inorganic artificial stone in building materials.
Compared with the prior art, the crack-resistant corrosion-resistant inorganic artificial stone and the preparation method thereof provided by the invention have the following beneficial effects:
(1) the crack-resistant corrosion-resistant inorganic artificial stone is mainly prepared from raw materials such as an alkali-free slag excitant, granulated blast furnace slag powder, aggregate, a water reducing agent, a coagulant, water and the like, wherein the alkali-free slag excitant and the granulated blast furnace slag powder can be compounded, and a cementing material formed by compounding has high bending resistance, high compressive strength performance, sulfate resistance and acid corrosion resistance;
in addition, the anti-cracking corrosion-resistant inorganic artificial stone has low manufacturing cost and strong market competitiveness.
(2) The invention provides a preparation method of the crack-resistant corrosion-resistant inorganic artificial stone, which has the advantages of simple process, convenient operation and industrial mass production.
(3) The invention also provides application of the crack-resistant corrosion-resistant inorganic artificial stone, and the crack-resistant corrosion-resistant inorganic artificial stone has wide application in building materials in view of the advantages of the crack-resistant corrosion-resistant inorganic artificial stone, and can be used as an artificial stone decorative plate, an artificial stone ground terrace or a decorative member and the like.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to examples, but it will be understood by those skilled in the art that the following examples are only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
According to one aspect of the present invention, there is provided an anti-cracking corrosion-resistant inorganic artificial stone, which is mainly made of powder and water;
wherein the powder comprises the following raw materials in parts by weight: 40.0-52.8% of granulated blast furnace slag powder, 7.0-15.0% of alkali-free slag excitant, 39.8-52.74% of aggregate, 0.06-0.5% of water reducing agent and 0.01-0.20% of coagulant, wherein the sum of the weight percentages of the raw materials of the powder is 100%;
the weight of the water is 10-14% of the weight of the powder.
The crack-resistant corrosion-resistant inorganic artificial stone provided by the invention is mainly prepared from raw materials such as an alkali-free slag excitant, granulated blast furnace slag powder, aggregate, a water reducing agent, a coagulant and water, wherein the alkali-free slag excitant and the granulated blast furnace slag powder can be compounded, and the compounded cementing material has high bending resistance, high compressive strength performance, sulfate resistance and acid corrosion resistance, and can inhibit the granulated blast furnace slag from efflorescence and reduce the efflorescence function of the prepared inorganic artificial stone.
Specifically, granulated blast furnace slag powder is a raw material for producing cement, and when pig iron is smelted in a blast furnace, a melt which is mainly composed of silicate and aluminosilicate is obtained, and the melt is quenched, granulated and ground to obtain the granulated blast furnace slag powder. In the invention, the granulated blast furnace slag powder is used as a raw material, so that the effective utilization of resources can be realized, and the production cost of the inorganic artificial stone is reduced. The granulated blast furnace slag powder typically, but not by way of limitation, has a weight fraction of 40.0%, 42.0%, 44.0%, 45.0%, 46.0%, 48.0%, 50.0%, 52.0%, or 52.8%.
The granulated blast furnace slag powder has latent hydraulicity and low activity, so it is preferable to use it in combination with an activator to facilitate activation of its activity.
Although the conventional alkaline activator (such as lime and silicate clinker) can activate the activity of granulated blast furnace slag powder, excessive alkali in the alkaline activator easily causes efflorescence of inorganic artificial stone, and the later strength may be reversed, thereby easily causing cracking.
In the invention, the activity of granulated blast furnace slag powder is excited by the alkali-free slag excitant, the cementing material formed by compounding the alkali-free slag excitant and the granulated blast furnace slag powder has good sulfate resistance and acid corrosion resistance, and the 28d and 180d sulfate corrosion resistance coefficients of the cementing material are up to 1.2 and 1.15 when the cementing material is measured according to the method specified in GB/T749-one 2008; according to the method specified in GB/T749-2008, the corrosion solution is changed into a sulfuric acid solution with the pH value of 3.0, the 28d and 180d sulfuric acid corrosion resistance coefficients are respectively 1.1 and 1.05, and the sulfate resistance and the acid corrosion resistance of the cementing material also ensure that the inorganic artificial stone has certain corrosion resistance; meanwhile, the cementing material also has the function of inhibiting whiskering, so that the whiskering of the prepared inorganic artificial stone is reduced, and the inorganic artificial stone has certain crack resistance; in addition, the Hunter whiteness of the cementing material reaches more than 82 (measured according to the method specified in GB/T2015-2005 appendix A), if the fine aggregate adopts white quartz sand, inorganic artificial stones with different colors can be prepared by adding little pigment.
The dosage of the alkali-free slag excitant is matched with the dosage of the granulated blast furnace slag powder. In the present invention, the alkali-free slag stimulant is typically, but not limited to, 7.0%, 8.0%, 9.0%, 10.0%, 11.0%, 12.0%, 13.0%, 14.0%, or 15.0% by weight.
The aggregate is one of the main components of the inorganic artificial stone, mainly plays a role of skeleton, decoration and reduction of volume change caused by shrinkage and swelling of the cementing material during setting and hardening, and simultaneously is used as a cheap filling material of the cementing material. The specific type of aggregate is not particularly limited and may be selected according to actual needs.
The weight fraction of aggregate, typically but not limited to aggregate, is 39.8%, 42.0%, 44.0%, 45.0%, 46.0%, 48.0%, 50.0%, 52.0%, or 52.74%.
The water reducing agent mainly has the effects of increasing the hydration efficiency and reducing the water consumption in the preparation process of the inorganic artificial stone. Typical but not limiting weight fractions of water reducing agents are 0.06%, 0.1%, 0.15%, 0.2%, 0.25%, 0.3%, 0.35%, 0.4%, 0.45% or 0.5%.
The set accelerator reduces setting time and increases early strength. Typical but non-limiting weight fractions of setting accelerators are 0.01%, 0.04%, 0.05%, 0.06%, 0.08%, 0.1%, 0.12%, 0.15%, 0.16%, 0.18% or 0.20%.
The specific types of the water reducing agent and the setting accelerator are not particularly limited, and can be selected according to the actual product requirements.
Typical but non-limiting weight fractions of water based on the weight of the powder are 10.0%, 10.5%, 11.0%, 11.5%, 12.0%, 12.5%, 13.0%, 13.5%, 14.0%, 14.5% or 15.0%.
In addition, "including" in the present invention means that other raw materials such as retarder, antifoaming agent, etc. may be included in addition to alkali-free slag activator, granulated blast furnace slag powder, aggregate, water reducing agent, accelerator and water, and "including" may be replaced with "being closed" or "consisting of … …".
As an alternative embodiment of the invention, the alkali-free slag stimulant is a granulated blast furnace slag stimulant.
It should be noted that the granulated blast furnace slag excitant is an alkali-free slag excitant independently developed by the applicant, and is described in the chinese patent application No. cn201711219813. Specifically, the granulated blast furnace slag excitant comprises the following raw materials in percentage by weight: 62-95% of gypsum and 5-38% of high belite sulphoaluminate cement clinker. The alkali-free slag excitant composite granulated blast furnace slag powder can be used for preparing the cementing material with moderate early strength, high later-stage rupture strength and compressive strength and large rupture-compression ratio.
The specific type of the alkali-free slag excitant is limited, so that the performance of the cementing material formed by compounding the alkali-free slag excitant and granulated blast furnace slag powder is more excellent, and the performance of the inorganic artificial stone is further improved.
The cementing material formed by compounding and granulating the blast furnace slag powder by using the alkali-free slag excitant has the performances of resisting sulfate and acid corrosion, and the corrosion resistance of the inorganic artificial stone is ensured.
As an alternative embodiment of the invention, the cementitious material consisting of granulated blast furnace slag powder and alkali-free slag excitant can be replaced by the fast setting and rapid hardening high belite sulphoaluminate cement in whole or in part in equal amounts;
specifically, the raw materials of the inorganic artificial stone can adopt granulated blast furnace slag powder and an alkali-free slag excitant as a cementing material, can also adopt fast-setting and fast-hardening high belite sulphoaluminate cement as a cementing material, can also adopt part of the granulated blast furnace slag powder and the alkali-free slag excitant and part of the fast-setting and fast-hardening high belite sulphoaluminate cement as a cementing material. Equivalent substitution means that the dosage of the rapid-setting and rapid-hardening high belite sulphoaluminate cement is the same as that of a cementing material formed by pre-substituted granulated blast furnace slag powder and the alkali-free slag excitant. For example, when the granulated blast furnace slag powder has a weight fraction of 40% and the composite alkali-free slag activator has a weight fraction of 8%, the rapid-setting and rapid-hardening high belite sulphoaluminate cement is used to completely replace the cementitious material formed by the granulated blast furnace slag powder and the composite alkali-free slag activator, and the rapid-setting and rapid-hardening high belite sulphoaluminate cement has a weight fraction of 48% in the powder; when the gelled material formed by compounding the granulated blast furnace slag powder and the alkali-free slag excitant is 50%, the quick-setting and quick-hardening high belite sulphoaluminate cement is adopted to partially replace the gelled material formed by compounding the granulated blast furnace slag powder and the alkali-free slag excitant, and the weight fractions of the granulated blast furnace slag powder, the alkali-free slag excitant and the high belite sulphoaluminate cement in the gelled material can be as follows: 14 percent of fast-setting and fast-hardening high belite sulphoaluminate cement, 30 percent of granulated blast furnace slag powder and 6 percent of alkali-free slag excitant. For the case of partial replacement, the proportion of the three raw materials can be randomly changed within the range of the composite cementing material, and is not zero.
As an alternative embodiment of the invention, the cementitious material consisting of granulated blast furnace slag powder and alkali-free slag activator is replaced by white quick-setting, quick-hardening, high belite sulphoaluminate cement, either wholly or partially, in equal amounts.
Specifically, the raw materials of the inorganic artificial stone can adopt granulated blast furnace slag powder and an alkali-free slag excitant as a cementing material, can also adopt white fast-setting and fast-hardening high belite sulphoaluminate cement as a cementing material, can also adopt part of the granulated blast furnace slag powder and the alkali-free slag excitant, and adopt part of the white fast-setting and fast-hardening high belite sulphoaluminate cement as a cementing material.
Equivalent substitution means that the dosage of the white quick-setting and quick-hardening high belite sulphoaluminate cement is the same as that of a cementing material formed by pre-substituted granulated blast furnace slag powder and the alkali-free slag excitant. For example, when the granulated blast furnace slag powder has a weight fraction of 40% and the composite alkali-free slag activator has a weight fraction of 8%, and white quick-setting high-early-hardening high-belite sulphoaluminate cement is used to completely replace the cementitious material formed by the granulated blast furnace slag powder and the composite alkali-free slag activator, the white quick-setting high-early-hardening high-belite sulphoaluminate cement has a weight fraction of 48% in the powder; when the gelled material formed by compounding the granulated blast furnace slag powder and the alkali-free slag excitant is 50%, the white quick-setting and quick-hardening high belite sulphoaluminate cement is adopted to partially replace the gelled material formed by compounding the granulated blast furnace slag powder and the alkali-free slag excitant, and the weight fractions of the granulated blast furnace slag powder, the alkali-free slag excitant and the white quick-setting and quick-hardening high belite sulphoaluminate cement in the gelled material can be as follows: 14 percent of white quick-setting and quick-hardening high belite sulphoaluminate cement, 30 percent of granulated blast furnace slag powder and 6 percent of alkali-free slag excitant. For the case of partial replacement, the proportion of the three raw materials can be randomly changed within the range of the composite cementing material, and is not zero.
It should be noted that the rapid-setting and rapid-hardening high belite sulphoaluminate cement and the white rapid-setting and rapid-hardening high belite sulphoaluminate cement are products independently developed by the applicant, and are respectively detailed in chinese patent applications CN201410416928.8 and CN 201510060196.8.
Wherein the mineral components contained in the quick-setting and quick-hardening high belite sulphoaluminate cement (clinker) comprise
C4AF、C2S、CaSO4f-CaO, wherein the fast-setting and fast-hardening high belite sulphoaluminate cement clinker is composed of the following minerals in percentage by weight: 20-35% of
3-9% of C4AF, 37-47% of C2S, f-CaO 0.5-4.6%, CaSO 14-26.3%4The balance being mixed mineral components; the white quick-setting and quick-hardening high belite sulphoaluminate cement (clinker) consists of the following minerals in percentage by weight: 22.67-37.24%
37.02-46.21% of C2S, 13.51-26.33% CaSO40.5-4.6% of f-CaO, 0.46-3.04% of C4AF, and the balance of mixed mineral components. In the two systems, a proper amount of free calcium oxide and calcium sulfate are innovatively introduced into a cementing material system taking anhydrous calcium sulphoaluminate as a main mineral, the types and the number of generated main hydration products and the growth process and the appearance are controlled, the hydration products are regulated and controlled to be reasonably matched with a microstructure in the hydration hardening process, the volume stability of the cementing material is realized, and the dry shrinkage value is only about 10 percent of that of silicate cement. Furthermore, the optimization matching of the anhydrous calcium sulphoaluminate, the free calcium oxide and the calcium sulfate is optimized, the mutual promotion of the hydration hardening process of the anhydrous calcium sulphoaluminate, the free calcium oxide and the calcium sulfate is realized, the hydration hardening of the low-activity mineral belite is further promoted, the quick-setting and quick-hardening performance of the cement is realized, and the 4-hour compressive strength of the cement is up to 20 MPa.
The self chemical composition characteristics of the quick-setting and quick-hardening high-belite sulphoaluminate cement and the white quick-setting and quick-hardening high-belite sulphoaluminate cement enable the formed cementing material to have good volume stability, thereby being beneficial to the improvement of the crack resistance of the inorganic artificial stone.
In addition, the quick-setting and quick-hardening high-belite sulphoaluminate cement and the white quick-setting and quick-hardening high-belite sulphoaluminate cement mainly have the following four specification models: white anti-cracking fast-setting and fast-hardening high belite sulphoaluminate cement (short for white anti-cracking double-fast cement), anti-cracking fast-setting and fast-hardening high belite sulphoaluminate cement (short for anti-cracking double-fast cement), white ultrahigh-strength fast-setting and fast-hardening high belite sulphoaluminate cement (short for white ultrahigh-strength double-fast cement) and high-strength fast-setting and fast-hardening high belite sulphoaluminate cement (short for high-strength double-fast cement).
As yet another alternative embodiment of the present invention, the cementitious material consisting of granulated blast furnace slag powder and alkali-free slag activator can be replaced by the modified white cement in whole or in part in equal amounts;
the raw materials of the inorganic artificial stone can adopt granulated blast furnace slag powder compounded alkali-free slag excitant as a cementing material, also can adopt modified white cement as a cementing material, can also adopt part of granulated blast furnace slag powder compounded alkali-free slag excitant and part of modified white cement as a cementing material.
Equivalent substitution means that the dosage of the modified white cement is the same as that of the cementing material formed by compounding the granulated blast furnace slag powder with the alkali-free slag excitant which is pre-substituted. For example, when the granulated blast furnace slag powder has a weight fraction of 40% and the composite alkali-free slag activator has a weight fraction of 8%, and the modified white cement is used in the complete replacement of the cement formed by the granulated blast furnace slag powder and the composite alkali-free slag activator, the modified white cement has a weight fraction of 48% in the powder; when the modified white cement is used for partially replacing a cementing material formed by compounding granulated blast furnace slag powder with an alkali-free slag excitant, when the weight fraction of the granulated blast furnace slag powder in the powder is 30 percent and the weight fraction of the alkali-free slag excitant is 6 percent, the weight fraction of the modified white cement in the powder is 12 percent. For the case of partial replacement, the proportion of the three raw materials can be randomly changed within the range of the composite cementing material, and is not zero.
It should be noted that the modified white cement is also a product developed by the applicant. Specifically, the modified white cement is prepared by mixing white portland cement serving as a base material, white fast-setting and fast-hardening high-belite sulphoaluminate cement serving as a modifier and aluminum sulfate serving as an auxiliary regulator. When white portland cement is used as a base material and white fast-setting and fast-hardening high belite sulphoaluminate cement is used as a modifier, the modified white cement comprises the following components in percentage by weight: 60-90% of white Portland cement and 10-40% of white quick-setting and quick-hardening high-belite sulphoaluminate cement; when white portland cement is used as a base material, white quick-setting and quick-hardening high belite sulphoaluminate cement is used as a modifier, and aluminum sulfate is used as a regulator, the modified cement comprises the following components in percentage by weight: 60-89.9% of white Portland cement, 10-39.9% of white quick-setting and quick-hardening high-belite sulphoaluminate cement and 0.1-3% of aluminum sulfate.
The white quick-setting and quick-hardening high belite sulphoaluminate cement has good sulfate resistance and acid corrosion resistance, and is compounded with white silicate cement in a larger proportion to form modified white cement, so that the sulfate resistance and the acid corrosion resistance are naturally improved; the modified white cement is compounded by aluminum sulfate, white quick-setting and quick-hardening high belite sulphoaluminate cement and white portland cement in a large proportion, so that the micro-expansion performance is improved, the drying shrinkage of the cement is further reduced, and the anti-cracking performance is improved.
As a further alternative embodiment of the invention, the cementitious material consisting of granulated blast furnace slag powder and alkali-free slag activator can be replaced by an equal portion of white portland cement.
The specific type of aggregate is not limited. As an alternative embodiment of the invention, the aggregate comprises any one of or a combination of at least two of quartz sand, crushed tempered glass or granulated natural stone.
Wherein, the aggregate can be graded by quartz sand with different grain sizes, such as 20-40 mesh quartz sand, 40-80 mesh quartz sand and 80-120 mesh quartz sand. There are many kinds of granular natural stone materials, such as Dandong green, chicken red, or white calcite.
As an optional embodiment of the present invention, the water reducing agent includes any one of or a combination of at least two of a polycarboxylic acid water reducing agent, a melamine water reducing agent, a naphthalene water reducing agent, or an AE water reducing agent.
As an alternative embodiment of the invention, the set accelerator comprises any one or a combination of at least two of lithium carbonate, lithium sulphate, lithium hydroxide or lithium chloride.
The concrete types of the aggregate, the water reducing agent and the coagulant are limited, so that the materials and the cementing materials have good matching effect.
In order to further improve the crack resistance of the inorganic artificial stone, as an optional embodiment of the invention, the raw material of the crack-resistant and corrosion-resistant inorganic artificial stone further comprises fibers.
The specific type of the fiber is not particularly limited, and is preferably any one of alkali-resistant glass fiber, carbon fiber, basalt fiber, polyvinyl alcohol fiber, polyacrylonitrile fiber, high-density polyethylene fiber, polyamide fiber, polyimide fiber, polypropylene fiber, or aramid fiber, or a combination of at least two thereof.
The dosage of the fiber needs to be added according to the actual product performance. As an alternative embodiment of the invention, the weight fraction of the fibers is between 0.01 and 3.0%, typical but not limiting weight fractions of the fibers are 0.01%, 0.05%, 0.1%, 0.5%, 1.0%, 1.2%, 1.5%, 1.8%, 2.0%, 2.2%, 2.5%, 2.8%, 2.9% or 3.0%.
As an optional embodiment of the invention, the raw materials of the crack-resistant and corrosion-resistant inorganic artificial stone comprise a retarder, and are mainly used for prolonging the setting time and improving the later-period strength.
Preferably, the retarder is any one or combination of at least two of boric acid, borax, sodium gluconate, tartaric acid, citric acid or sodium citrate;
the amount of retarder needs to be added according to the performance of actual products. As an alternative embodiment of the invention, the weight fraction of retarder is 0.01-0.3%, typical but not limiting weight fractions of retarder are 0.01%, 0.04%, 0.05%, 0.06%, 0.08%, 0.1%, 0.12%, 0.15%, 0.16%, 0.18%, 0.20%, 0.22%, 0.25%, 0.26%, 0.28% or 0.30%.
As an alternative embodiment of the present invention, the raw material of the crack-resistant and corrosion-resistant inorganic artificial stone includes a defoaming agent. Preferably, the defoamer is a silicone defoamer or a polyether defoamer.
The defoamer may be present in a weight fraction of 0.01-0.20%, typically but not limited to 0.01%, 0.04%, 0.05%, 0.06%, 0.08%, 0.1%, 0.12%, 0.15%, 0.16%, 0.18%, or 0.20%.
As an alternative embodiment of the invention, the raw materials of the crack-resistant and corrosion-resistant inorganic artificial stone comprise pigments, and the types of the pigments are various, such as iron oxide red, cobalt blue, liquid phthalocyanine blue, liquid medium yellow pigment or titanium dioxide.
The weight fraction of the pigment is 0.01-4.0%. Typical but non-limiting pigments are present in a weight fraction of 0.01%, 0.05%, 0.1%, 0.5%, 1.0%, 1.2%, 1.5%, 1.8%, 2.0%, 2.2%, 2.5%, 2.8%, 2.9%, 3.0%, 3.2%, 3.5%, 3.8%, 3.9% or 4.0%.
As an alternative embodiment of the invention, the raw material of the crack-resistant and corrosion-resistant inorganic artificial stone comprises micro-beads, and the weight fraction of the pigment is 0.01-6.0%. Typical but non-limiting weight fractions of microbeads are 0.01%, 0.05%, 0.1%, 0.5%, 1.0%, 1.2%, 1.5%, 1.8%, 2.0%, 2.2%, 2.5%, 2.8%, 3.0%, 3.2%, 3.5%, 3.8%, 4.0%, 4.2%, 4.5%, 4.8%, 5.0%, 5.2%, 5.5%, 5.8%, or 6.0%.
According to the second aspect of the invention, the preparation method of the crack-resistant corrosion-resistant inorganic artificial stone is also provided, mortar with different fluidity and Brinell consistency is prepared according to the process requirement, and the method comprises the following steps:
mixing the raw materials, placing the mixture into a mold, carrying out extrusion forming under the conditions of vacuumizing and vibration, demolding and drying the formed plate, and polishing the surface to obtain the crack-resistant corrosion-resistant inorganic artificial stone;
or mixing the raw materials, placing the mixture in a mold, performing flow forming under a vibration condition, demolding and drying the formed plate, and polishing the surface to obtain the crack-resistant corrosion-resistant inorganic artificial stone.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided by the invention is simple in process, convenient to operate and suitable for large-scale industrial production.
As an alternative embodiment of the invention, the pressure is not less than 0.6MPa when the extrusion molding is carried out under the conditions of vacuum pumping and vibration.
According to the third aspect of the invention, the application of the crack-resistant corrosion-resistant inorganic artificial stone or the crack-resistant corrosion-resistant inorganic artificial stone prepared by the preparation method of the crack-resistant corrosion-resistant inorganic artificial stone in building materials is also provided.
In view of the advantages of the crack-resistant and corrosion-resistant inorganic artificial stone provided by the invention, the crack-resistant and corrosion-resistant inorganic artificial stone has wide application in building materials, such as artificial stone decorative plates, artificial stone ground terrace or decorative members.
The present invention will be further described with reference to specific examples and comparative examples. It should be noted that the raw materials used in the examples and comparative examples are as follows:
granulated blast furnace slag excitant: the product model of the Tangshan polar bear building materials GmbH is BJX-AFA; 42.5 grade white anti-cracking double-quick cement: tangshan polar bear building materials Co., Ltd, the product model is BS-WCFR 42.5; 42.5 grade anti-cracking double-quick cement: tangshan polar bear building materials Co., Ltd, the product model is BS-CFR 42.5; 62.5 grade white super-high strength double fast cement: the product model of the Tangshan polar bear building materials Co., Ltd is BS-WSFR 62.5.
Example 1
The embodiment provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 14% of that of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
40.0 percent of S95-grade granulated blast furnace slag powder, 15.0 percent of granulated blast furnace slag excitant, 44.7 percent of aggregate, 0.1 percent of 2651 water reducing agent and 0.20 percent of coagulant lithium sulfate.
Wherein the aggregate comprises 17 percent of 20-40 mesh white quartz sand, 15.8 percent of 40-80 mesh quartz sand, 10.9 percent of 80-120 mesh quartz sand and 1.00 percent of 1-6mm colored toughened glass.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided by the embodiment comprises the following steps:
the raw materials are mixed and stirred (the flowing property is controlled according to the Brinell consistency), the mixture is extruded and formed in a mould under the vacuum-pumping and vibration states, the pressure is not less than 0.6MPa, and the formed plate is demoulded, dried, polished on the surface and the like, so that the crack-resistant and corrosion-resistant inorganic artificial stone is obtained.
Example 2
The embodiment provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 13% of the weight of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
36.0 percent of S95 grade granulated blast furnace slag powder, 8.0 percent of granulated blast furnace slag excitant, 10.0 percent of 42.5 grade anti-cracking rapid cement, 45.93 percent of aggregate, 0.06 percent of C900 water reducing agent and 0.01 percent of coagulant lithium sulfate.
Wherein the aggregate comprises 21 percent of white quartz sand with 20-40 meshes, 12.93 percent of quartz sand with 40-80 meshes, 11.0 percent of quartz sand with 80-120 meshes and 1.00 percent of colored toughened glass with 1-6 mm.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided in this example is the same as that of example 1.
Example 3
The embodiment provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 13% of the weight of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
36.0 percent of S95 grade granulated blast furnace slag powder, 8.0 percent of granulated blast furnace slag excitant, 10.0 percent of 62.5 grade white ultrahigh-strength quick-setting cement, 45.84 percent of aggregate, 0.10 percent of C900 water reducer, 0.01 percent of coagulant lithium sulfate and 0.05 percent of retarder citric acid.
Wherein the aggregate comprises 21.00 percent of white quartz sand with 20-40 meshes, 12.76 percent of quartz sand with 40-80 meshes, 11.08 percent of quartz sand with 80-120 meshes and 1.00 percent of colored toughened glass with 1-6 mm.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided in this example is the same as that of example 1.
Example 4
The embodiment provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 13% of the weight of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
52.8 percent of S95-grade granulated blast furnace slag powder, 7.20 percent of granulated blast furnace slag excitant, 39.80 percent of aggregate, 0.10 percent of melamine SM water reducer and 0.10 percent of coagulant lithium sulfate.
Wherein the aggregate comprises 15.00% of 20-40 mesh white quartz sand, 12.20% of 40-80 mesh quartz sand, 11.60% of 80-120 mesh quartz sand and 1.00% of 1-3mm variegated broken yuhua stone.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided in this example is the same as that of example 1.
Example 5
The embodiment provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 13% of the weight of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
14.2 percent of S95 grade granulated blast furnace slag powder, 2.0 percent of granulated blast furnace slag excitant, 8.79 percent of 42.5 grade white anti-cracking quick-setting cement, 35.0 percent of Albo brand 52.5 grade white portland cement, 39.8 percent of aggregate, 0.10 percent of 2651 water reducing agent, 0.01 percent of coagulant lithium sulfate and 0.1 percent of retarder boric acid.
Wherein the aggregate comprises 12.00 percent of 20-40 mesh white quartz sand, 12.80 percent of 40-80 mesh quartz sand, 10.0 percent of 80-120 mesh quartz sand and 5.00 percent of 0.6-1mm transparent toughened glass.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided in this example is the same as that of example 1.
Example 6
The embodiment provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 11% of that of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
47.5 percent of 42.5 grade white anti-cracking quick-setting cement, 45.0 percent of aggregate, 0.38 percent of C900 water reducing agent, 0.01 percent of coagulant lithium sulfate, 0.15 percent of retarder, 1.5 percent of micro-bead, 3.0 percent of 12mm Changtai mountain brand chopped glass fiber, 2.36 percent of pigment and 0.10 percent of 8850 defoaming agent.
Wherein the aggregate is 20-40 mesh white quartz sand 5.00%, 40-80 mesh quartz sand 10.00%, 0.6-1mm transparent toughened glass 20.00% and 10-25mm white calcite 10%; the pigment is 0.2 percent of liquid phthalocyanine blue and 2.16 percent of titanium dioxide; the retarder is 0.10 percent of citric acid and 0.05 percent of boric acid.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided by the embodiment comprises the following steps:
mixing and stirring the raw materials, stirring for more than 5min by adopting a high-speed stirrer with the speed of more than 70 r/min to form high-fluidity mortar (the fluidity of the mortar is controlled according to the fluidity of the mortar), pouring the mortar into a mold, performing flow molding in the mold under a vibration state, demolding, drying, polishing the surface and the like.
Example 7
The embodiment provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 13% of the weight of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
28.39 percent of 42.5-grade white anti-cracking quick-setting cement, 20.0 percent of 62.5-grade white ultrahigh-strength quick-setting cement, 46.32 percent of aggregate, 0.38 percent of 2651 water reducing agent, 0.01 percent of coagulant lithium sulfate, 0.20 percent of retarder, 2.0 percent of micro-beads, 0.1 percent of 6mm long PVA fiber, 2.50 percent of pigment and 0.10 percent of 801 defoaming agent.
Wherein the aggregate is 20-40 mesh white quartz sand 5.00%, 40-80 mesh quartz sand 6.32%, 0.6-1mm transparent toughened glass 20.00% and 3-6mm variegated crushed agate 15.00%; the pigment is 0.1 percent of iron oxide red, 0.4 percent of cobalt blue and 2.00 percent of titanium pigment; the retarder is 0.10 percent of citric acid and 0.10 percent of boric acid.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided in this example is the same as that of example 6.
Example 8
The embodiment provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 12% of that of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
50.0 percent of modified white cement, 47.74 percent of aggregate, 0.50 percent of water reducing agent, 0.06 percent of coagulant lithium sulfate, 0.30 percent of retarder, 1.20 percent of pigment and 0.20 percent of 8850 antifoaming agent.
Wherein the aggregate is 20-40 mesh white quartz sand 5.00%, 40-80 mesh quartz sand 5.00%, 80-120 mesh quartz sand 5.74%, 0.6-1mm transparent toughened glass 10.00%, 8-12mm Dandong green 6.00%, 8-12mm chicken blood red 6.00% and 10-25mm white calcite 10.00%; the water reducing agent comprises 0.36 percent of C900 water reducing agent and 0.14 percent of melamine SM water reducing agent; the pigment is 0.6 percent of iron oxide red and 0.6 percent of liquid phthalocyanine blue; the retarder is 0.15 percent of citric acid and 0.15 percent of boric acid.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided in this example is the same as that of example 6.
Example 9
The embodiment provides an anti-cracking and corrosion-resistant inorganic artificial stone, which is a comparison test of embodiment 1, wherein in the embodiment, anti-cracking and quick-setting fast-hardening high belite sulphoaluminate cement (42.5-grade white anti-cracking double-fast cement) is adopted to completely and equivalently replace a cementing material formed by granulated blast furnace slag excitant and granulated blast furnace slag powder, and the rest raw materials and the using amount are the same as those in embodiment 1.
The preparation method of the crack-resistant and corrosion-resistant inorganic artificial stone of example 1 is the same as that of example 1.
Example 10
The embodiment provides an anti-cracking and corrosion-resistant inorganic artificial stone, which is a comparison test of embodiment 1, wherein white ultrahigh-strength fast-setting and fast-hardening high belite sulphoaluminate cement (62.5-grade white ultrahigh-strength double fast cement) is adopted in the embodiment to completely and equivalently replace a gelled material formed by granulated blast furnace slag excitant and granulated blast furnace slag powder, and the rest raw materials and the using amount are the same as those in embodiment 1.
The preparation method of the crack-resistant and corrosion-resistant inorganic artificial stone of example 1 is the same as that of example 1.
Example 11
The embodiment provides an anti-cracking and corrosion-resistant inorganic artificial stone, which is a comparison test of embodiment 1, wherein modified white cement is adopted in the embodiment to replace a gelled material formed by granulated blast furnace slag excitant and granulated blast furnace slag powder in an equal amount, and the rest of raw materials and the use amount are the same as those of embodiment 1.
The preparation method of the crack-resistant and corrosion-resistant inorganic artificial stone of example 1 is the same as that of example 1.
Example 12
The embodiment provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 13% of the weight of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
28.44 percent of S95 grade granulated blast furnace slag powder, 7.11 percent of granulated blast furnace slag excitant, 7.7 percent of 42.5 grade white anti-cracking quick-setting cement, 52.74 percent of aggregate, 4.0 percent of titanium pigment and 0.01 percent of coagulant lithium sulfate.
Wherein the aggregate comprises 23.82% of 20-40 mesh white quartz sand, 14.42% of 40-80 mesh quartz sand, 13.5% of 80-120 mesh quartz sand and 1.00% of 1-6mm colored toughened glass.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided in this example is the same as that of example 1.
Example 13
The embodiment provides an anti-cracking corrosion-resistant inorganic artificial stone which is mainly prepared from powder and water, wherein the weight of the water is 12% of that of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
12.0 percent of S95 grade granulated blast furnace slag powder, 3.0 percent of granulated blast furnace slag excitant, 35.0 percent of 62.5 grade white super-high-strength quick-setting cement, 47.80 percent of aggregate, 0.36 percent of 2651 water reducer, 0.14 percent of retarder, 0.02 percent of coagulant lithium sulfate, 1.58 percent of pigment and 0.10 percent of 8850 defoamer.
Wherein the aggregate is quartz sand 7.00% of 40-80 meshes, quartz sand 7.80% of 80-120 meshes, transparent toughened glass 15.00% of 0.6-1mm, mottled broken yuhua stone 6.00% of 1-3mm, Dandong green 6.00% of 8-12mm and chicken blood red 6.00% of 8-12 mm; the pigment is 0.4 percent of liquid phthalocyanine blue, 0.18 percent of yellow pigment in the liquid and 1.0 percent of titanium pigment; the retarder is 0.06 percent of citric acid and 0.08 percent of boric acid.
The preparation method of the crack-resistant corrosion-resistant inorganic artificial stone provided in this example is the same as that of example 6.
Comparative example 1
The comparative example provides an anti-cracking and corrosion-resistant inorganic artificial stone, which is a comparative test of example 1, wherein the powder comprises the following raw materials in parts by weight:
55.0 percent of S95-grade granulated blast furnace slag powder, 6.0 percent of granulated blast furnace slag excitant, 38.7 percent of aggregate, 0.1 percent of 2651 water reducing agent and 0.20 percent of coagulant lithium sulfate.
The composition and kind of the other raw materials were the same as those in example 1.
The comparative example was prepared in the same manner as in example 1.
Comparative example 2
This comparative example provides an anti-cracking and corrosion-resistant inorganic artificial stone, which is a control test of example 1, wherein white portland cement is used to replace a cementitious material composed of granulated blast furnace slag excitant and granulated blast furnace slag powder in the same amount, and the remaining raw materials and the amounts are the same as those of example 1.
The preparation method of the crack-resistant and corrosion-resistant inorganic artificial stone of the comparative example is the same as that of example 1.
Comparative example 3
The comparative example provides an anti-cracking corrosion-resistant inorganic artificial stone, which is a comparison test of example 1, wherein no granulated blast furnace slag excitant is added in the raw materials of the anti-cracking corrosion-resistant inorganic artificial stone, and the rest raw materials and the using amount are correspondingly adjusted according to example 1.
The preparation method of the crack-resistant and corrosion-resistant inorganic artificial stone of the comparative example is the same as that of example 1.
Comparative example 4
The comparative example provides an anti-cracking corrosion-resistant inorganic artificial stone, which is a comparative experiment of example 13, and is mainly prepared from powder and water, wherein the weight of the water is 12% of the weight of the powder;
wherein, taking the powder as a calculation reference, the powder comprises the following raw materials in parts by weight:
12.0 percent of S95 grade granulated blast furnace slag powder, 3.0 percent of granulated blast furnace slag excitant, 35.0 percent of 62.5 grade white super-high-strength double-quick cement, 47.80 percent of aggregate, 0.36 percent of 2651 water reducer, 0.14 percent of retarder, 1.60 percent of pigment and 0.10 percent of 8850 defoamer.
Wherein the aggregate is quartz sand 7.00% of 40-80 meshes, quartz sand 7.80% of 80-120 meshes, transparent toughened glass 15.00% of 0.6-1mm, mottled broken yuhua stone 6.00% of 1-3mm, Dandong green 6.00% of 8-12mm and chicken blood red 6.00% of 8-12 mm; the pigment is 0.4 percent of liquid phthalocyanine blue, 0.2 percent of yellow pigment in the liquid and 1.0 percent of titanium pigment; the retarder is 0.06 percent of citric acid and 0.08 percent of boric acid.
The comparative example was prepared in the same manner as in example 13.
To verify the effects of the examples and comparative examples, the following experimental examples were specified.
Experimental example 1
The mortar fluidity or the Brinell consistency and the performance parameters of the crack-resistant and corrosion-resistant inorganic artificial stone of each example and comparative example were measured. The fluidity of the mortar is measured according to a test method specified in JC/T986-.
Table 1 performance parameters of crack and corrosion resistant inorganic artificial stone provided in each of examples and comparative examples
As can be seen from the data in table 1, the overall performance of the crack-resistant and corrosion-resistant inorganic artificial stone provided in examples 1 to 13 is significantly better than that of the crack-resistant and corrosion-resistant inorganic artificial stone provided in comparative examples 1 to 4.
Comparative examples 1 to 3 are comparative experiments to example 1. Wherein the amounts of the granulated blast furnace slag powder of grade S95, the granulated blast furnace slag stimulant and the aggregate in comparative example 1 are different from those in example 1 and are out of the range of numerical values claimed in the present invention. As can be seen from the data in Table 1, the performance of the inorganic artificial stone provided in comparative example 1 is significantly reduced compared to that of example 1, which indicates that the inorganic artificial stone is required to have good performance, and the amount of each raw material should be controlled within a certain range.
Compared with example 1, in comparative example 2, white portland cement was used to replace the cementitious material consisting of the granulated blast furnace slag activator and the granulated blast furnace slag powder in equal amounts. As can be seen from the data in table 1, comparative example 2 provides an inorganic artificial stone having much inferior properties to example 1. This illustrates the direct effect of the choice of cementitious material on the performance of the inorganic engineered stone product.
In comparison with example 1, comparative example 3 does not add granulated blast furnace slag excitant to the raw material of the crack-resistant and corrosion-resistant inorganic artificial stone. As can be seen from the data in Table 1, comparative example 3 cannot manufacture the inorganic artificial stone at all, which indicates that the granulated blast furnace slag excitant has a strong strength excitation effect on the granulated blast furnace slag powder, and the granulated blast furnace slag powder cannot be used alone in the process of preparing the inorganic artificial stone.
Comparative example 4 is a comparative experiment of example 13, which is different in whether a setting accelerator is added to the raw material of the crack-resistant and corrosion-resistant inorganic artificial stone. As can be seen from the data in Table 1, the setting accelerator has some influence on the early compressive strength and flexural strength of the inorganic artificial stone.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The crack-resistant corrosion-resistant inorganic artificial stone is characterized by being prepared from powder and water, wherein the weight of the water is 10-14% of that of the powder;
wherein the powder comprises the following raw materials in parts by weight: 40.0-52.8% of granulated blast furnace slag powder, 7.0-15.0% of alkali-free slag excitant, 39.8-52.74% of aggregate, 0.06-0.5% of water reducing agent and 0.01-0.20% of coagulant, 0.01-3.0% of fiber, 0.01-0.3% of retarder, 0.01-0.2% of defoaming agent, 0.01-4.0% of pigment and 0.01-6.0% of micro-bead, wherein the sum of the weight fractions of the raw materials of the powder is 100%;
the alkali-free slag excitant is a granulated blast furnace slag excitant, and the granulated blast furnace slag excitant comprises the following raw materials in percentage by weight: 62-95% of gypsum and 5-38% of high belite sulphoaluminate cement clinker.
2. The crack-resistant and corrosion-resistant inorganic artificial stone according to claim 1, wherein the cementitious material consisting of the granulated blast furnace slag powder and the alkali-free slag excitant can be replaced by a fast setting fast hardening high belite sulphoaluminate cement in whole or in part in equal amounts; wherein, the clinker contained in the quick-setting and quick-hardening high belite sulphoaluminate cement consists of the following minerals in percentage by weight: 20-35% of
3-9% of C4AF, 37-47% of C2S, f-CaO 0.5-4.6%, CaSO 14-26.3%4The balance being mixed mineral components;
and/or the gelled material formed by the granulated blast furnace slag powder and the alkali-free slag excitant can be completely or partially replaced by white quick-setting quick-hardening high belite sulphoaluminate cement in equal quantity; wherein, the clinker contained in the white fast-setting and fast-hardening high belite sulphoaluminate cement consists of the following minerals in percentage by weight: 22.67-37.24%
37.02-46.21% of C2S, 13.51-26.33% CaSO40.5-4.6% of f-CaO, 0.46-3.04% of C4AF, the balance being miscellaneous mineral components;
and/or the gelled material formed by the granulated blast furnace slag powder and the alkali-free slag excitant can be completely or partially replaced by the modified white cement in equal quantity; the modified white cement comprises the following components in percentage by weight: 60-90% of white Portland cement and 10-40% of white quick-setting and quick-hardening high-belite sulphoaluminate cement, or the modified white cement comprises the following components in percentage by weight: 60-89.9% of white Portland cement, 10-39.9% of white quick-setting and quick-hardening high-belite sulphoaluminate cement and 0.1-3% of aluminum sulfate;
and/or the gelled material formed by the granulated blast furnace slag powder and the alkali-free slag excitant can be partially and equally replaced by white portland cement.
3. The crack-resistant corrosion-resistant inorganic artificial stone according to claim 1, wherein the fiber is any one of alkali-resistant glass fiber, carbon fiber, basalt fiber, polyvinyl alcohol fiber, polyacrylonitrile fiber, high-density polyethylene fiber, polyamide fiber, polyimide fiber, polypropylene fiber or aramid fiber or a combination of at least two thereof;
and/or the retarder is any one or the combination of at least two of boric acid, borax, sodium gluconate, tartaric acid, citric acid or sodium citrate;
and/or the defoaming agent is an organic silicon defoaming agent or polyether defoaming agent.
4. An inorganic artificial stone for crack resistance and corrosion resistance according to any one of claims 1 to 3, wherein the aggregate comprises any one of quartz sand, crushed tempered glass or granular natural stone or a combination of at least two thereof.
5. The crack-resistant corrosion-resistant inorganic artificial stone according to any one of claims 1 to 3, wherein the water reducing agent comprises any one or a combination of at least two of a polycarboxylic acid water reducing agent, a melamine water reducing agent, a naphthalene water reducing agent or an AE water reducing agent;
and/or the set accelerator comprises any one or a combination of at least two of lithium carbonate, lithium sulfate, lithium hydroxide or lithium chloride.
6. The method for preparing an inorganic artificial stone resistant to cracking and corrosion according to any one of claims 1 to 5, comprising the steps of:
mixing the raw materials, placing the mixture into a mold, carrying out extrusion forming under the conditions of vacuumizing and vibration, demolding and drying the formed plate, and polishing the surface to obtain the crack-resistant corrosion-resistant inorganic artificial stone;
or mixing the raw materials, placing the mixture in a mold, performing flow forming under a vibration condition, demolding and drying the formed plate, and polishing the surface to obtain the crack-resistant corrosion-resistant inorganic artificial stone.
7. The method of claim 6, wherein the pressure is not less than 0.6MPa when the inorganic artificial stone is extruded under vacuum and vibration conditions.
8. The use of the crack and corrosion resistant inorganic artificial stone according to any one of claims 1 to 5 or the crack and corrosion resistant inorganic artificial stone manufactured by the method of manufacturing the crack and corrosion resistant inorganic artificial stone according to claim 6 or 7 in building materials.
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| CN115385640B (en) * | 2022-08-15 | 2023-07-04 | 同济大学 | Cementing material for high-aluminum solid waste-based antibacterial sewage pipeline and application thereof |
| CN115536318A (en) * | 2022-11-05 | 2022-12-30 | 江河工程检验检测有限公司 | Waterproof artificial stone plate and preparation method thereof |
| CN116283074A (en) * | 2022-12-26 | 2023-06-23 | 中国建筑第五工程局有限公司 | Inorganic artificial stone plate and preparation method thereof |
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| CN103613355A (en) * | 2013-11-21 | 2014-03-05 | 广西启利新材料科技股份有限公司 | Geopolymer-based inorganic artificial stone |
| CN104860556B (en) * | 2014-02-24 | 2018-07-13 | 唐山北极熊建材有限公司 | Quick setting and rapid hardening belite sulphoaluminate cement clinker, application and its production technology |
| CN105330182B (en) * | 2014-02-24 | 2017-07-11 | 唐山北极熊建材有限公司 | A kind of white quick setting and rapid hardening high belite sulphoaluminate cement clinker, using and its production technology |
| CN106966679B (en) * | 2017-03-10 | 2019-05-14 | 同济大学 | A kind of ternary gelling system facing mortar and its application method |
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| CN108083671A (en) * | 2017-11-28 | 2018-05-29 | 唐山北极熊建材有限公司 | Granulated blast-furnace slag exciting agent and preparation method thereof and purposes |
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