CN112318680A - Production process of artificial travertine - Google Patents
Production process of artificial travertine Download PDFInfo
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- CN112318680A CN112318680A CN202011201711.7A CN202011201711A CN112318680A CN 112318680 A CN112318680 A CN 112318680A CN 202011201711 A CN202011201711 A CN 202011201711A CN 112318680 A CN112318680 A CN 112318680A
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- finished plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
- B28C5/402—Methods
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/82—Coloured materials
Abstract
The invention discloses a production process of an artificial travertine, which comprises the following steps: s1, color matching; s2, preparing a mixture; s3, discharging the mixture into a material bin of a distributing machine; s4, distributing the mixture on a platform to be pressed; s5, spraying a release agent into the press mold; s6, moving the platform to be flattened to the position below the press die; s7, pressing into square stock or semi-finished plate; s8, cutting the square stock into a semi-finished plate and maintaining the semi-finished plate; s9, conveying the semi-finished plate to a thicknessing machine; s10, polishing the semi-finished plate to be flat; s11, stripping the foam particles or the clay particles from the surface of the semi-finished plate; s12, polishing the semi-finished plate; s13, washing the surface of the semi-finished plate by high-pressure circulating water; s14, cutting edges around the polished semi-finished plate, and cutting the semi-finished plate into a finished plate with a required size; and S15, recycling the foam particles and the sludge. The invention can reduce the weight of the artificial travertine, increase the compression strength and the rupture strength and enhance the safety performance of the installation of the artificial travertine.
Description
Technical Field
The invention belongs to the technical field of artificial travertine, and particularly relates to a production process of artificial travertine.
Background
Natural travertine is a category of rock formed by land phase deposition. The natural travertine mainly contains calcium carbonate, gaps are easily generated in the stacking process of the calcium carbonate, and water can dissolve and corrode the calcium carbonate after being stored in the gaps for a long time, so that a plurality of holes with different sizes and shapes are formed. The special accumulation causes the existence of irregular holes, and endows the natural travertine with atmospheric, elegant and high-end quality. The travertine is from ancient times, but has strong modern sense and high-grade sense, rich and variable holes are clear and visible, the decoration is extremely strong, and the travertine is favored by architects all over the world.
Travertine has a very long history of use, and ancient roman beaches, saint peter churches, congress buildings, and the like are constructed from the above-described stone. The history is far away, the classical atmosphere is thick, and the artistic feeling is unrivaled. This product has a wide customer base in both europe and north america. However, the travertine is mostly produced in Italy, Turkey, Iran and other countries, and the travertine is found and produced in Henan of China, but the yield is small, and the domestic requirements are far from being met. In recent years, artificial travertine comes into play, but people are difficult to achieve the quality extremely close to compressive strength, flexural strength, shape and glossiness in the process of simulating the travertine, and therefore, a production process of the artificial travertine is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a production process of an artificial travertine.
In order to achieve the purpose, the invention provides the following technical scheme:
a production process of artificial travertine comprises the following steps:
s1, color mixing: preparing a base color required by the artificial travertine by using a pigment for later use;
s2, stirring one or two of cement, sand, stone powder, foam particles or clay particles, water, pigment, cellulose, a water reducing agent, a defoaming agent and a retarder which are well proportioned by a stirrer for 20 minutes to obtain a uniform mixture;
s3, discharging the mixture into a material bin of a distributing machine;
s4, uniformly distributing the mixture on a platform to be pressed, on which filter cloth is spread, by a distributing machine;
s5, uniformly spraying the release agent into the press die;
s6, moving the platform to be flattened to the position below the press die;
s7, carrying out static pressure for 20 seconds by using a high-pressure hydraulic press, discharging excessive water in the mixture through filter cloth at the bottom of a platform to be pressed, compacting the material, pressing the compacted material into square materials with the regular size of 600mm or semi-finished plate materials with the thickness of 25mm, and demoulding the square materials or the semi-finished plate materials onto a tray;
s8, putting the square stock or the semi-finished plate into a greenhouse for steam curing, maintaining the temperature of the greenhouse at 50-80 ℃ for 12 hours, taking out the square stock or the semi-finished plate from the greenhouse for natural secondary curing for a week to form the high-hardness square stock or the semi-finished plate, and cutting the square stock into the semi-finished plate with the required thickness according to actual requirements;
s9, placing the semi-finished plate prepared in the step S8 on a conveyer belt, and conveying the semi-finished plate to a thicknessing machine by the conveyer belt;
s10, the thickness fixing machine cuts off the surface of the semi-finished plate by a thickness of 2mm through a thickness fixing grinding head, and the semi-finished plate is polished to be flat, so that foam particles or clay particles are uniformly exposed;
s11, grinding the foam particles or the clay particles on the surface to obtain half or part of the foam particles or the clay particles, utilizing the non-stick property of the foam particles and the cement, then conveying the foam particles or the clay particles to a grinding head provided with a grinding brush, stripping the foam particles or the clay particles from the surface of the semi-finished plate by high-speed brushing of the grinding brush, cleaning holes, and further washing the hole residues by clean water to be softened;
s12, conveying the semi-finished plate cleaned by the grinding brush to a polishing machine by a conveying belt, and polishing the semi-finished plate by a coarse grinding head and a fine grinding head of the polishing machine in sequence to achieve the glossiness of the required natural stone effect;
s13, washing and polishing the surface of the semi-finished plate by high-pressure circulating water, and washing the residual foam particles or clay particles in the holes cleanly, wherein the foam particles are soft and insoluble in water, the clay particles are easy to fall off by high-pressure water washing, the clay particles cannot be adhered by the cement due to chemical reaction, and irregular holes are easy to form after the high-pressure water washing flows out;
s14, cutting the edges and corners of the washed semi-finished plate into plates with required sizes by a cutting machine;
s15, filtering and precipitating the sludge generated in the S11 and S13, pressing the sludge into a mud cake shape through a filter press, airing the mud cake, and crushing the mud cake into particles through a crusher to be used as aggregate of the mixture in the S2; the foam particles which are washed by the high-pressure water gun and easily fall off in the step S13 are also recovered and used as the aggregate of the mixture in the step S2.
Preferably, the size of the foam particles is 2-5mm or 5-12mm, the size of the clay particles is 2-5mm or 5-12mm, the sizes of the foam particles and the clay particles are not limited to 2-5mm or 5-12mm, and the cellulose is one or more of glass fibers, carbon fibers, boron fibers, metal fibers and ceramic fibers.
Preferably, the foam particles and the clay particles are used as aggregates of the artificial travertine, the mixture is not limited to one or two of the foam particles and the clay particles, other particles can be replaced, the foam particles form round holes after being polished in a fixed thickness, and the clay particles form irregular holes after being polished in a fixed thickness.
Preferably, the cement in the step S2 is selected from portland cement, aluminate cement, sulphoaluminate cement, fly ash cement, polymer cement or slag cement; the cement is marked with any one of 32.5R, 42.5R and 52.5R.
Preferably, the water reducing agent in step S2 is a polycarboxylic acid water reducing agent or a naphthalene water reducing agent, the sand is one or more of river sand, quartz sand, snowflake white sand, white marble sand and white marble sand, and the particle size of the sand is 20-120 meshes.
Preferably, the pigment in step S2 can be selected from various commonly used pigments, such as commercially available carbon black, iron oxide, cobalt oxide, titanium dioxide, organic bright yellow, phthalocyanine blue, malachite green, lemon yellow, copper sulfate or acrylic pigment.
Preferably, in step S2, the defoaming agent is one or more of siloxane co-cluster, organosiloxane, polyether, and phosphate, the retarder is one or more of lignosulfonate and its derivatives, hydroxycarboxylic acid and its salts, saccharides, zinc oxide, and weak acid and its salts, and the weak acid is boric acid or phosphoric acid.
Preferably, the mixture in the steps S2 and S3 is not limited to a mixture in one proportion, and may be a mixture in one or several proportions.
Preferably, the material distributor in step S4 is not limited to uniformly distributing one or more kinds of mixture materials to the platform to be pressed on which the filter cloth is laid at one time, nor is it limited to uniformly distributing one or more kinds of mixture materials to the platform to be pressed on which the filter cloth is laid multiple times.
Preferably, the static pressing time in the step S7 is not limited to 20 seconds, and the blank is pressed into a square stock with a size of 600mm or a semi-finished plate with a thickness of 25mm, and the thickness can be customized according to the requirement of a customer.
Preferably, the greenhouse curing in the step S8 is not limited to the steam curing and curing temperature of 50-80 ℃, the curing time is not limited to 12 hours, and the natural curing time is not limited to 1 week.
Preferably, the size of the press die is not limited to 800mm x 800mm, 600mm x 600mm, 600mm x 1200mm, 800mm x 1600mm, 1000mm x 2000mm or 1200mm x 2400mm, and the thickness size includes but is not limited to any size from 25mm to 3600 mm.
Preferably, the mesh number of the grinding heads of the polishing machine in the step S12 is 60 meshes, 80 meshes, 120 meshes, 180 meshes, 240 meshes, 320 meshes, 400 meshes, 600 meshes, 800 meshes, 3000 meshes and 6000 meshes in sequence; the grinding head mesh number can be adjusted in turn according to the requirement, and the grinding head number is not limited to 12 and can be increased or decreased according to the requirement.
Preferably, the thickness of the fixed-thickness grinding head of the fixed-thickness grinding in the step S10 is not limited to 2mm, and the residual foam and clay sludge in the step S13 can be filtered and recycled by a filter screen.
Compared with the prior art, the invention has the beneficial effects that: compared with the prior art, the production process of the artificial travertine has the characteristics of unique method, easy material acquisition, low cost, high compressive and flexural strength, natural texture, high glossiness and good decorative effect; the foam particles are used as aggregate, so that the weight of the artificial travertine can be reduced, and the safety performance of installation is improved; the foam residue material flushed by the high-pressure circulating water is insoluble in water and can be collected, filtered and recycled; the sludge generated by the washing of the grinding brush high-pressure circulating water is also recycled after being filtered and precipitated.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A production process of artificial travertine comprises the following steps:
s1, color mixing: preparing a base color required by the artificial travertine by using a pigment for later use;
s2, stirring one or two of cement, sand, stone powder, foam particles or clay particles, water, pigment, cellulose, a water reducing agent, a defoaming agent and a retarder which are well proportioned by a stirrer for 20 minutes to obtain a uniform mixture;
s3, discharging the mixture into a material bin of a distributing machine;
s4, uniformly distributing the mixture on a platform to be pressed, on which filter cloth is spread, by a distributing machine;
s5, uniformly spraying the release agent into the press die;
s6, moving the platform to be flattened to the position below the press die;
s7, carrying out static pressure for 20 seconds by using a high-pressure hydraulic press, discharging excessive water in the mixture through filter cloth at the bottom of a platform to be pressed, compacting the material, pressing the compacted material into square materials with the regular size of 600mm or semi-finished plate materials with the thickness of 25mm, and demoulding the square materials or the semi-finished plate materials onto a tray;
s8, putting the square stock or the semi-finished plate into a greenhouse for steam curing, maintaining the temperature of the greenhouse at 50-80 ℃ for 12 hours, taking out the square stock or the semi-finished plate from the greenhouse for natural secondary curing for a week to form the high-hardness square stock or the semi-finished plate, and cutting the square stock into the semi-finished plate with the required thickness according to actual requirements;
s9, placing the semi-finished plate prepared in the step S8 on a conveyer belt, and conveying the semi-finished plate to a thicknessing machine by the conveyer belt;
s10, the thickness fixing machine cuts off the surface of the semi-finished plate by a thickness of 2mm through a thickness fixing grinding head, and the semi-finished plate is polished to be flat, so that foam particles or clay particles are uniformly exposed;
s11, grinding the foam particles or the clay particles on the surface to obtain half or part of the foam particles or the clay particles, utilizing the non-stick property of the foam particles and the cement, then conveying the foam particles or the clay particles to a grinding head provided with a grinding brush, stripping the foam particles or the clay particles from the surface of the semi-finished plate by high-speed brushing of the grinding brush, cleaning holes, and further washing the hole residues by clean water to be softened;
s12, conveying the semi-finished plate cleaned by the grinding brush to a polishing machine by a conveying belt, and polishing the semi-finished plate by a coarse grinding head and a fine grinding head of the polishing machine in sequence to achieve the glossiness of the required natural stone effect;
s13, washing and polishing the surface of the semi-finished plate by high-pressure circulating water, and washing the residual foam particles or clay particles in the holes cleanly, wherein the foam particles are soft and insoluble in water, the clay particles are easy to fall off by high-pressure water washing, the clay particles cannot be adhered by the cement due to chemical reaction, and irregular holes are easy to form after the high-pressure water washing flows out;
s14, cutting the edges and corners of the washed semi-finished plate into plates with required sizes by a cutting machine;
s15, filtering and precipitating the sludge generated in the S11 and S13, pressing the sludge into a mud cake shape through a filter press, airing the mud cake, and crushing the mud cake into particles through a crusher to be used as aggregate of the mixture in the S2; the foam particles which are washed by the high-pressure water gun and easily fall off in the step S13 are also recovered and used as the aggregate of the mixture in the step S2.
Specifically, the size of the foam particles is 2-5mm or 5-12mm or two or more, the size of the clay particles is 2-5mm or 5-12mm or one or two or more, the sizes of the foam particles and the clay particles are not limited to 2-5mm or 5-12mm, and the cellulose is one or more of glass fibers, carbon fibers, boron fibers, metal fibers and ceramic fibers.
Specifically, the foam particles and the clay particles are used as aggregates of the artificial travertine, the mixture is not limited to one or two of the foam particles and the clay particles, other particles can be replaced, the foam particles form round holes after being polished in a fixed thickness, and the clay particles form irregular holes after being polished in a fixed thickness.
Specifically, the cement in the step S2 is selected from portland cement, aluminate cement, sulphoaluminate cement, fly ash cement, polymer cement or slag cement; the cement is marked with any one of 32.5R, 42.5R and 52.5R.
Specifically, the water reducing agent in the step S2 is a polycarboxylic acid water reducing agent or a naphthalene water reducing agent, the sand is one or more of river sand, quartz sand, snowflake white sand, white marble sand and white marble sand, and the particle size of the sand ranges from 20 to 120 meshes.
Specifically, the pigment in step S2 may be selected from various commonly used pigments, such as commercially available carbon black, iron oxide, cobalt oxide, titanium dioxide, organic bright yellow, phthalocyanine blue, malachite green, lemon yellow, copper sulfate, or acrylic pigment.
Specifically, in step S2, the defoaming agent is one or more of siloxane, organic siloxane, polyether, and phosphate, the retarder is one or more of lignosulfonate and its derivatives, hydroxycarboxylic acid and its salts, saccharides, zinc oxide, and weak acid and its salts, and the weak acid is boric acid or phosphoric acid.
Specifically, the mixture in steps S2 and S3 is not limited to a mixture in one proportion, and may be a mixture in one or several proportions.
Specifically, the material distributor in step S4 is not limited to uniformly distribute one or more kinds of mixture materials to the platform to be pressed on which the filter cloth is laid at one time, nor to uniformly distribute one or more kinds of mixture materials to the platform to be pressed on which the filter cloth is laid multiple times.
Specifically, the static pressure time in the step S7 is not limited to 20 seconds, and the blank is pressed into a square stock with a size of 600mm or a semi-finished plate with a thickness of 25mm, and the thickness can be customized according to the requirements of customers.
Specifically, the greenhouse curing in step S8 is not limited to steam curing and curing at 50-80 ℃, the curing time is not limited to 12 hours, and the natural curing time is not limited to 1 week.
Specifically, the size of the press die is not limited to 800mm x 800mm, 600mm x 600mm, 600mm x 1200mm, 800mm x 1600mm, 1000mm x 2000mm, or 1200mm x 2400mm, and the thickness size includes but is not limited to any size from 25mm to 3600 mm.
Specifically, the mesh number of the grinding head of the polishing machine in the step S12 is 60 meshes, 80 meshes, 120 meshes, 180 meshes, 240 meshes, 320 meshes, 400 meshes, 600 meshes, 800 meshes, 3000 meshes and 6000 meshes in sequence; the grinding head mesh number can be adjusted in turn according to the requirement, and the grinding head number is not limited to 12 and can be increased or decreased according to the requirement.
Specifically, the thickness of the fixed-thickness grinding head in the step S10 is not limited to 2mm, and the residual foam and clay sludge in the step S13 can be filtered and recycled by a filter screen.
The formula of the artificial travertine is as follows according to the weight part: 60 portions of Portland cement white 42.5R, 10 portions of stone powder, 100 portions of snowflake white sand 40-80 meshes, 20 portions of snowflake white sand 20-40 meshes, 0.05 portion of inorganic pigment iron oxide yellow, 0.005 portion of inorganic pigment iron oxide green, 0.01 portion of polypropylene fiber 6mm, 0.04 portion of foam particle 3-5mm, 0.02 portion of foam particle 5-12mm, 0.04 portion of clay particle 3-5mm, 0.02 portion of clay particle 5-12mm, 0.12 portion of polycarboxylate water reducer, 0.18 portion of phosphate defoamer and 0.12 portion of hydroxycarboxylic acid retarder.
In summary, the following steps: compared with the prior art, the production process of the artificial travertine has the characteristics of unique method, easy material acquisition, low cost, natural texture, high compression and breaking strength, high glossiness and good decorative effect; the foam particles are used as aggregate, so that the weight of the artificial travertine can be reduced, and the safety performance of installation is improved; the foam and clay residual materials flushed by the high-pressure water gun are insoluble in water and can be collected, filtered and recycled.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (14)
1. A production process of artificial travertine is characterized in that: the method comprises the following steps:
s1, color mixing: preparing a base color required by the artificial travertine by using a pigment for later use;
s2, stirring one or two of cement, sand, stone powder, foam particles or clay particles, water, pigment, cellulose, a water reducing agent, a defoaming agent and a retarder which are well proportioned by a stirrer for 20 minutes to obtain a uniform mixture;
s3, discharging the mixture into a material bin of a distributing machine;
s4, uniformly distributing the mixture on a platform to be pressed, on which filter cloth is spread, by a distributing machine;
s5, uniformly spraying the release agent into the press die;
s6, moving the platform to be flattened to the position below the press die;
s7, carrying out static pressure for 20 seconds by using a high-pressure hydraulic press, discharging excessive water in the mixture through filter cloth at the bottom of a platform to be pressed, compacting the material, pressing the compacted material into square materials with the regular size of 600mm or semi-finished plate materials with the thickness of 25mm, and demoulding the square materials or the semi-finished plate materials onto a tray;
s8, putting the square stock or the semi-finished plate into a greenhouse for steam curing, maintaining the temperature of the greenhouse at 50-80 ℃ for 12 hours, taking out the square stock or the semi-finished plate from the greenhouse for natural secondary curing for a week to form the high-hardness square stock or the semi-finished plate, and cutting the square stock into the semi-finished plate with the required thickness according to actual requirements;
s9, placing the semi-finished plate prepared in the step S8 on a conveyer belt, and conveying the semi-finished plate to a thicknessing machine by the conveyer belt;
s10, the thickness fixing machine cuts off the surface of the semi-finished plate by a thickness of 2mm through a thickness fixing grinding head, and the semi-finished plate is polished to be flat, so that foam particles or clay particles are uniformly exposed;
s11, grinding the foam particles or the clay particles on the surface to obtain half or part of the foam particles or the clay particles, utilizing the non-stick property of the foam particles and the cement, then conveying the foam particles or the clay particles to a grinding head provided with a grinding brush, stripping the foam particles or the clay particles from the surface of the semi-finished plate by high-speed brushing of the grinding brush, cleaning holes, and further washing the hole residues by clean water to be softened;
s12, conveying the semi-finished plate cleaned by the grinding brush to a polishing machine by a conveying belt, and polishing the semi-finished plate by a coarse grinding head and a fine grinding head of the polishing machine in sequence to achieve the glossiness of the required natural stone effect;
s13, washing and polishing the surface of the semi-finished plate by high-pressure circulating water, and washing the residual foam particles or clay particles in the holes cleanly, wherein the foam particles are soft and insoluble in water, the clay particles are easy to fall off by high-pressure water washing, the clay particles cannot be adhered by the cement due to chemical reaction, and irregular holes are easy to form after the high-pressure water washing flows out;
s14, cutting the edges and corners of the washed semi-finished plate into plates with required sizes by a cutting machine;
s15, filtering and precipitating the sludge generated in the S11 and S13, pressing the sludge into a mud cake shape through a filter press, airing the mud cake, and crushing the mud cake into particles through a crusher to be used as aggregate of the mixture in the S2; the foam particles which are washed by the high-pressure water gun and easily fall off in the step S13 are also recovered and used as the aggregate of the mixture in the step S2.
2. The process for producing artificial travertine as claimed in claim 1, wherein: the size of the foam particles is 2-5mm or 5-12mm or two or more, the size of the clay particles is 2-5mm or 5-12mm or two or more, the sizes of the foam particles and the clay particles are not limited to 2-5mm or 5-12mm, and the cellulose is one or more of glass fibers, carbon fibers, boron fibers, metal fibers and ceramic fibers.
3. The process for producing artificial travertine as claimed in claim 1, wherein: the foam particles and the clay particles are used as aggregates of the artificial travertine, the mixture is not limited to one or two of the foam particles and the clay particles, other particles can be replaced, the foam particles are washed away by the fixed-thickness polishing mill to form round holes, and the clay particles are washed away by the fixed-thickness polishing mill to form irregular-shaped holes.
4. The process for producing artificial travertine as claimed in claim 1, wherein: the cement in the step S2 is selected from portland cement, aluminate cement, sulphoaluminate cement, fly ash cement, polymer cement or slag cement; the cement is marked with any one of 32.5R, 42.5R and 52.5R.
5. The process for producing artificial travertine as claimed in claim 1, wherein: the water reducing agent in the step S2 is a polycarboxylic acid water reducing agent or a naphthalene water reducing agent, the sand is one or more of river sand, quartz sand, snowflake white sand, white marble sand and dolomite sand, and the particle size range of the sand is 20-120 meshes.
6. The process for producing artificial travertine as claimed in claim 1, wherein: the pigment in step S2 may be selected from various commonly used pigments, such as commercially available carbon black, iron oxide, cobalt oxide, titanium dioxide, organic bright yellow, phthalocyanine blue, malachite green, lemon yellow, copper sulfate or acrylic pigment.
7. The process for producing artificial travertine as claimed in claim 1, wherein: in the step S2, the defoaming agent is one or more of siloxane, polyether and phosphate, the retarder is one or more of lignosulfonate and its derivatives, hydroxycarboxylic acid and its salts, saccharides, zinc oxide, and weak acids and its salts, and the weak acids are boric acid or phosphoric acid.
8. The process for producing artificial travertine as claimed in claim 1, wherein: the mixture in the steps S2 and S3 is not limited to one proportion of mixture, and may be one or several proportions of mixture.
9. The process for producing artificial travertine as claimed in claim 1, wherein: in the step S4, the material distributor is not limited to uniformly distributing one or more kinds of mixture materials to the platform to be pressed on which the filter cloth is spread at one time, nor to uniformly distributing one or more kinds of mixture materials to the platform to be pressed on which the filter cloth is spread multiple times.
10. The process for producing artificial travertine as claimed in claim 1, wherein: the static pressure time in the step S7 is not limited to 20 seconds, and the square stock with the thickness not limited to 600mm or the semi-finished plate with the thickness of 25mm is pressed, and the thickness can be customized according to the requirement of a customer.
11. The process for producing artificial travertine as claimed in claim 1, wherein: in the step S8, the greenhouse curing is not limited to steam curing and curing temperature of 50-80 ℃, the curing time is not limited to 12 hours, and the natural curing time is not limited to 1 week.
12. The process for producing artificial travertine as claimed in claim 1, wherein: the press die is not limited to 800mm x 800mm, 600mm x 600mm, 600mm x 1200mm, 800mm x 1600mm, 1000mm x 2000mm, or 1200mm x 2400mm in length and width dimensions, including but not limited to any dimension from 25mm to 3600mm in thickness dimensions.
13. The process for producing artificial travertine as claimed in claim 1, wherein: in the step S12, the grinding heads of the polishing machine have 60 meshes, 80 meshes, 120 meshes, 180 meshes, 240 meshes, 320 meshes, 400 meshes, 600 meshes, 800 meshes, 3000 meshes and 6000 meshes in sequence; the grinding head mesh number can be adjusted in turn according to the requirement, and the grinding head number is not limited to 12 and can be increased or decreased according to the requirement.
14. The process for producing artificial travertine as claimed in claim 1, wherein: the thickness of the fixed-thickness grinding head of the fixed-thickness grinding in the step S10 is not limited to 2mm, and the residual foam and clay sludge in the step S13 can be filtered by a filter screen for recycling.
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| CN113149519A (en) * | 2021-05-27 | 2021-07-23 | 东台市艺和园装饰品有限公司 | Production method of artificial decorative stone |
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| CN117565423A (en) * | 2024-01-17 | 2024-02-20 | 福建恒尚实业有限公司 | Environment-friendly artificial stone continuous compression molding equipment |
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Application publication date: 20210205 |