CN113651584A - Inorganic grindstone and preparation method thereof - Google Patents
Inorganic grindstone and preparation method thereof Download PDFInfo
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- CN113651584A CN113651584A CN202110941928.XA CN202110941928A CN113651584A CN 113651584 A CN113651584 A CN 113651584A CN 202110941928 A CN202110941928 A CN 202110941928A CN 113651584 A CN113651584 A CN 113651584A
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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
- C04B28/10—Lime cements or magnesium oxide cements
- C04B28/105—Magnesium oxide or magnesium carbonate cements
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant 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
- C04B2111/60—Flooring materials
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to the technical field of decorative terraces, in particular to an inorganic grindstone and a preparation method thereof. The inorganic millstone comprises the following raw materials in parts by weight: 200-300 parts of cement, 0.5-2 parts of magnesium oxide, 200-400 parts of modified wood chips and 1000-1900 parts of functional additives; the preparation method of the modified wood chip comprises the steps of desugaring, corrosion prevention and degreasing of the wood chip. The invention can improve the phenomena of hollowing, insufficient plasticity of finished products, overlarge brittleness and cracking of inorganic grindstones influenced by cement stability.
Description
Technical Field
The invention relates to the technical field of decorative terraces, in particular to an inorganic grindstone and a preparation method thereof.
Background
The most common decorative floor materials on the market today are marble and ceramic tile, both of which have a very high market share. However, with the high-quality development of economy in China, places such as schools, entertainment places, shopping malls and convention places are pursuing to continuously improve decoration effects, aesthetic sense organs of people are continuously improved, and the requirements on novelty and diversity of decoration styles are increasingly large.
The earliest concept of grindstone terraces was inorganic grindstone terraces, which have been known for over 100 years. Inorganic grindstones are grindstones made of cement, glass, or other inorganic binder (e.g., cement-based grindstones, glass-based grindstones, etc.). As a novel green building material, the building material is a 'black horse' which is distinguished from various products, has unique advantages and charm, not only has good fireproof performance, but also has unique visual effect on aesthetic measure. The terrazzo is a common inorganic terrazzo, but the traditional terrazzo is easily subjected to the influence of cement stability, and phenomena of hollowing, insufficient finished product plasticity, overlarge brittleness and cracking occur.
Disclosure of Invention
Based on the inorganic grindstone, the invention provides the inorganic grindstone, and the phenomena of hollowing, insufficient finished product plasticity, overlarge brittleness and cracking of the inorganic grindstone caused by the influence of cement stability are improved.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an inorganic millstone comprises the following raw materials in parts by weight:
the preparation method of the modified wood chip comprises the steps of desugaring, corrosion prevention and degreasing of the wood chip.
In one embodiment, the sawdust is soaked in water at the temperature of 20-30 ℃ or boiled in water and aired until the water content is less than or equal to 5%.
In one embodiment, the preservation comprises: and (3) soaking the desugared wood chips in a preservative solution, taking out and drying.
In one embodiment, the degreasing comprises: and (4) placing the wood chips after being preserved into degreasing liquid for cooking, taking out and drying.
In one embodiment, the particle size of the wood chips is 5mm-20 mm.
In one embodiment, the functional additives include quartz and/or quartz sand.
In one embodiment, the particle size of the quartz stone is 3mm-10 mm.
In one embodiment, the functional additive further comprises one or more of starch, industrial salt, gloss powder and an active agent.
In one embodiment, the inorganic millstone comprises the following raw materials in parts by weight:
the invention also provides a preparation method of the inorganic millstone. The technical scheme is as follows:
a preparation method of an inorganic millstone comprises the following steps:
mixing cement, magnesium oxide, modified wood chips, functional additives and water to obtain slurry;
and brushing the slurry, and grinding and polishing after curing.
Compared with the traditional scheme, the invention has the following beneficial effects:
the invention takes cement and magnesia as main binding materials, and the addition of the magnesia is beneficial to synergistically improving the integral hardness and wear resistance. Meanwhile, the modified wood chips prepared by steps of desugaring, corrosion prevention and degreasing are added as fillers, so that the quality problems of hollowing, cracking and the like of the inorganic grindstone finished product caused by the influence of cement stability are solved, and the mechanical property, hardness and wear resistance of the inorganic grindstone are improved. Meanwhile, the appearance of the novel grinding stone is also beneficial to increasing the ornamental value and the artistic quality of the grinding stone.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Term(s) for
Unless otherwise stated or contradicted, terms or phrases used herein have the following meanings:
as used herein, the term "and/or", "and/or" includes any one of two or more of the associated listed items, as well as any and all combinations of the associated listed items, including any two of the associated listed items, any more of the associated listed items, or all combinations of the associated listed items.
As used herein, "one or more" means any one, any two, or any two or more of the listed items. Wherein, the 'several' means any two or more than any two.
As used herein, "a combination thereof," "any combination thereof," and the like, includes all suitable combinations of any two or more of the listed items.
In the present specification, the term "suitable" in "a suitable combination, a suitable manner," any suitable manner "and the like shall be construed to mean that the technical solution of the present invention can be implemented, the technical problem of the present invention can be solved, and the technical effect of the present invention can be achieved.
Herein, "preferred" merely describes a more effective embodiment or example, and it should be understood that the scope of the present invention is not limited thereto.
In the present invention, the technical features described in the open type include a closed technical solution composed of the listed features, and also include an open technical solution including the listed features.
In the present invention, the numerical range is defined to include both end points of the numerical range unless otherwise specified.
The percentage contents referred to in the present invention mean, unless otherwise specified, mass percentages for solid-liquid mixing and solid-solid phase mixing, and volume percentages for liquid-liquid phase mixing.
The percentage concentrations referred to in the present invention refer to the final concentrations unless otherwise specified. The final concentration refers to the ratio of the additive component in the system to which the component is added.
The temperature parameter in the present invention is not particularly limited, and may be a constant temperature treatment or a treatment within a certain temperature range. The constant temperature process allows the temperature to fluctuate within the accuracy of the instrument control.
The most common decorative floor materials on the market today are marble and ceramic tile, both of which have a very high market share. However, with the high-quality development of economy in China, places such as schools, entertainment places, shopping malls and convention places are pursuing to continuously improve decoration effects, aesthetic sense organs of people are continuously improved, and the requirements on novelty and diversity of decoration styles are increasingly large.
The earliest concept of grindstone terraces was inorganic grindstone terraces, which have been known for over 100 years. Inorganic grindstones are grindstones made of cement, glass, or other inorganic binder (e.g., cement-based grindstones, glass-based grindstones, etc.). As a novel green building material, the building material is a 'black horse' which is distinguished from various products, has unique advantages and charm, not only has good fireproof performance, but also has unique visual effect on aesthetic measure. The terrazzo is a common inorganic terrazzo, but the traditional terrazzo is easily subjected to the influence of cement stability, and phenomena of hollowing, insufficient finished product plasticity, overlarge brittleness and cracking occur.
In order to solve the technical problems, the invention provides an inorganic grinding stone, which adopts the technical scheme that:
an inorganic millstone comprises the following raw materials in parts by weight:
the preparation method of the modified wood chip comprises the steps of desugaring, corrosion prevention and degreasing of the wood chip.
The invention takes cement and magnesia as main binding materials, and the addition of the magnesia is beneficial to synergistically improving the integral hardness and wear resistance. Meanwhile, the modified wood chips prepared by steps of desugaring, corrosion prevention and degreasing are added as fillers, so that the quality problems of hollowing, cracking and the like of the inorganic grindstone finished product caused by the influence of cement stability are solved, and the mechanical property, hardness and wear resistance of the inorganic grindstone are improved. Meanwhile, the appearance of the novel grinding stone is also beneficial to increasing the ornamental value and the artistic quality of the grinding stone.
The invention carries out desugarization treatment on the wood chips.
In one embodiment, the desugaring comprises: and soaking the sawdust in water at the temperature of 20-30 ℃ or boiling the sawdust in water, and airing until the water content is less than or equal to 5%.
When the sawdust is subjected to desugaring treatment, the soaking time, boiling time and airing time of the sawdust in water depend on the specification and the species of the sawdust.
Optionally, the wood chips are soaked in water at 25 ℃ or boiled in water, and then aired until the water content is less than or equal to 5%.
In one embodiment, the wood chips are derived from litchi trees and have a particle size of 5mm to 20 mm.
Preferably, the wood chips are soaked in water at 20-30 ℃ for 20-28 h, and more preferably, the wood chips are soaked in water at 20-30 ℃ for 24 h.
Preferably, the wood chips are boiled in water for 2h to 4 h. More preferably, the wood chips are boiled in water for 3 hours.
Preferably, the airing time is 48-96 h. More preferably, the airing time is 72 hours.
The water content of the wood chips is very high, generally more than 35-40%, a large amount of monosaccharide is dissolved in the water, the monosaccharide can resist the coagulation of the concrete, and the cloud caking property of the concrete can be improved through the desugaring treatment compared with the condition that the desugaring treatment is not carried out, so that the compressive strength of the grindstone can be improved.
And performing desugarization treatment on the wood chips, and then performing antiseptic treatment.
In one embodiment, the preserving comprises: and (3) soaking the desugared wood chips in a preservative solution, taking out and drying.
It will be appreciated that the preservative solution may be an aqueous solution of a preservative, diluted by adding water to the preservative.
Preferably, the preservative and the water in the preservative solution are diluted in a ratio of 1:8 to 1: 10.
Optionally, the preservative is an ammonia-soluble quaternary Ammonium Copper (ACQ) preservative derived from Shenzhen emperor technology.
In one embodiment, the wood chips after desugarization are soaked in the preservative solution for 12-24 hours.
Optionally, the wood chips are removed from the preservative solution and then dried. The drying method can be drying in the sun or drying.
Preferably, the airing time is 24-72 h. More preferably, the airing time is 48 hours.
In one embodiment, the temperature of the drying is 150 ℃ to 190 ℃. Further preferably, the temperature of the drying is 170 ℃.
And after the wood chips are subjected to antiseptic treatment, carrying out degreasing treatment.
In one embodiment, the degreasing comprises: and (4) placing the wood chips after being preserved into degreasing liquid for cooking, taking out and drying.
It will be appreciated that the degreasing fluid may be an aqueous solution of a degreasing agent, diluted by adding water to the degreasing agent.
Preferably, the degreasing agent and the water in the degreasing solution are diluted in a ratio of 1:50-1: 100.
Optionally, the degreasing agent is derived from Shenzhen Dixin technology.
Optionally, the cooking temperature in the spent meal is greater than or equal to 90 ℃.
Optionally, the cooking time in the spent meal is 4h-8 h.
It will be appreciated that the wood chips are removed from the degreasing fluid and then dried. The drying method comprises the following steps: taking out, naturally drying in the sun for 10min-20min, and removing exuded oil with dry cloth.
The modified wood chips after the desugaring, corrosion prevention and degreasing treatment have the advantages that the shear strength can be improved by 90-110%, the bending strength can be improved by 25-28.5%, the elastic breaking force can be improved by 12-22.8%, and the plane extension force can be improved by 8-15%. Also has better wear resistance.
In a preferred embodiment, the inorganic millstone comprises the following raw materials in parts by weight:
the cement and the magnesium oxide are used as main binding materials.
Alternatively, the cement is 425 white cement.
In one embodiment, the functional additives include quartz stone and/or quartz sand.
Adding quartz stone and/or quartz sand as filler.
Optionally, the quartz stone has a particle size of 3mm to 10 mm.
In a preferred embodiment, the weight sum of the quartz stone and/or the quartz sand and the modified wood chips accounts for 65-80% of the total weight of the raw materials.
In a preferred embodiment, the modified wood chips account for 25-30% of the total weight of the raw material.
In a preferred embodiment, the functional additive comprises quartz stone, and the quartz stone accounts for 60-70% of the total weight of the raw materials.
It will be appreciated that the quartz stone and/or sand should be clean and free of debris.
In one embodiment, the functional additive further comprises one or more of starch, industrial salt, gloss powder and an active agent.
Starch is added, which can be used together with cement and magnesium oxide as a binding material.
The addition of the active agent is beneficial to improving the permeability of the modified wood chips in the inorganic grindstone.
The addition of industrial salt is beneficial to improving the hardening speed.
The addition of the bright powder is beneficial to improving the decorative effect.
In one embodiment, the functional additives are composed of quartz stone, quartz sand, starch, industrial salt and brilliant powder.
In one embodiment, the functional additive is composed of quartz stone, quartz sand, industrial salt and bright powder.
In a preferred embodiment, the inorganic millstone comprises the following raw materials in parts by weight:
the inorganic grindstone has good elasticity, toughness, wear resistance and hardness.
The invention also provides a preparation method of the inorganic millstone. The technical scheme is as follows:
a preparation method of an inorganic millstone comprises the following steps:
mixing cement, magnesium oxide, modified wood chips, functional additives and water to obtain slurry;
and brushing the slurry, and grinding and polishing after curing.
Preferably, the amount of water added is adjusted so that the web has a veb consistency of 50mm to 70mm, more preferably, the web has a veb consistency of 60 mm.
In the following, the raw materials referred to in the following specific examples are commercially available, unless otherwise specified, the equipment used, and the processes referred to, unless otherwise specified, are all routinely selected by those skilled in the art.
Example 1
The embodiment provides an inorganic millstone and a preparation method thereof, and the specific steps are as follows:
step 1) preparation of modified wood chips
Taking the wood dust of the litchi tree, the grain diameter is 5mm-20mm, soaking in water at 25 ℃ for 24h, airing for 72h, and testing that the water content is less than or equal to 5%. And then placing the wood chips in a preservative solution, soaking the wood chips for 12 hours at normal temperature and normal pressure, taking the preservative solution in which the ratio of the preservative ACQ to the water is 1:10 based on the standard that the wood chips are completely covered by the preservative solution, taking out the wood chips and drying the wood chips at 170 ℃. And then putting the wood chips into degreasing liquid, cooking the wood chips for 6 hours at 90 ℃, taking the wood chips out, and removing the oil and fat leaked out by using dry cloth to obtain modified wood chips, wherein the volume ratio of the degreasing agent to water in the degreasing liquid is 1: 50.
Step 2) Single recipe (1 m) in parts by weight3) When the inorganic grindstone is prepared, the following raw materials are weighed:
step 3) preparation of inorganic grindstone
Mixing 425 white cement, magnesium oxide, modified wood chips, quartz sand, industrial salt, bright powder and water to obtain slurry.
And (3) grinding, repairing, cleaning and drying the base layer, then coating the slurry on the base layer, solidifying, grinding and polishing to obtain the inorganic grindstone.
Example 2
The present embodiment provides an inorganic grindstone and a preparation method thereof, and the main difference from embodiment 1 is that the preparation method of modified wood chips is different, and the specific steps are as follows:
step 1) preparation of modified wood chips
Taking the wood chips of the litchi trees with the particle size of 5-20 mm, boiling the wood chips in water at 25 ℃ for 3h, airing the wood chips for 72h, and testing that the water content of the wood chips is less than or equal to 5%. And then placing the wood chips in a preservative solution, soaking the wood chips for 12 hours at normal temperature and normal pressure, taking the preservative solution in which the ratio of the preservative ACQ to the water is 1:8 as a standard until the wood chips are completely covered by the preservative solution, taking out the wood chips, and airing the wood chips for 48 hours until the wood chips are dried. And then putting the wood chips into degreasing liquid, cooking the wood chips for 6 hours at 90 ℃, taking the wood chips out, and removing the oil and fat leaked out by using dry cloth to obtain modified wood chips, wherein the volume ratio of the degreasing agent to water in the degreasing liquid is 1: 100.
Step 2) Single recipe (1 m) in parts by weight3) When the inorganic grindstone is prepared, the following raw materials are weighed:
step 3) preparation of inorganic grindstone
Mixing 425 white cement, magnesium oxide, modified wood chips, quartz sand, industrial salt, bright powder and water to obtain slurry.
And (3) grinding, repairing, cleaning and drying the base layer, then coating the slurry on the base layer, solidifying, grinding and polishing to obtain the inorganic grindstone.
Example 3
The present embodiment provides an inorganic grinding stone and a preparation method thereof, and the main difference from embodiment 1 is that the formula of the grinding stone is different, and the specific steps are as follows:
step 1) preparation of modified wood chips
Taking the wood dust of the litchi tree, the grain diameter is 5mm-20mm, soaking in water at 25 ℃ for 24h, airing for 72h, and testing that the water content is less than or equal to 5%. And then placing the wood chips in a preservative solution, soaking the wood chips for 12 hours at normal temperature and normal pressure, taking the preservative solution in which the ratio of the preservative ACQ to the water is 1:10 based on the standard that the wood chips are completely covered by the preservative solution, taking out the wood chips and drying the wood chips at 170 ℃. And then putting the wood chips into degreasing liquid, cooking the wood chips for 6 hours at 90 ℃, taking the wood chips out, and removing the oil and fat leaked out by using dry cloth to obtain modified wood chips, wherein the volume ratio of the degreasing agent to water in the degreasing liquid is 1: 50.
Step 2) Single recipe (1 m) in parts by weight3) When the inorganic grindstone is prepared, the following raw materials are weighed:
step 3) preparation of inorganic grindstone
Mixing 425 white cement, magnesium oxide, modified wood chips, quartz sand, starch, industrial salt, bright powder and water to obtain slurry.
And (3) grinding, repairing, cleaning and drying the base layer, then coating the slurry on the base layer, solidifying, grinding and polishing to obtain the inorganic grindstone.
Comparative example 1
This comparative example provides an inorganic grindstone and a method for producing the same, which is mainly different from example 1 in that wood chips are not modified by the following specific steps:
step 1) one-component (1 m) by weight3) When the inorganic grindstone is prepared, the following raw materials are weighed:
wherein the wood chips are of litchi trees, and the particle size is 5mm-20 mm.
Step 2) preparation of inorganic grindstone
Mixing 425 white cement, magnesium oxide, modified wood chips, quartz sand, industrial salt, bright powder and water to obtain slurry.
And (3) grinding, repairing, cleaning and drying the base layer, then coating the slurry on the base layer, solidifying, grinding and polishing to obtain the inorganic grindstone.
Comparative example 2
The present comparative example provides an inorganic grindstone and a preparation method thereof, and is mainly different from example 1 in that the preparation method of the modified wood chips is different, and the specific steps are as follows:
step 1) preparation of modified wood chips
Taking the wood chips of the litchi trees with the particle size of 5-20 mm, soaking in water at 25 ℃ for 24h, airing for 72h, and testing the water content to be less than or equal to 5% to obtain the modified wood chips.
Step (ii) of2) In parts by weight, one side (1 m)3) When the inorganic grindstone is prepared, the following raw materials are weighed:
wherein the wood chips are of litchi trees, and the particle size is 5mm-20 mm.
Step 3) preparation of inorganic grindstone
Mixing 425 white cement, magnesium oxide, modified wood chips, quartz stone, quartz sand, industrial salt and brightening powder to obtain slurry.
And (3) grinding, repairing, cleaning and drying the base layer, then coating the slurry on the base layer, solidifying, grinding and polishing to obtain the inorganic grindstone.
Comparative example 3
The present comparative example provides an inorganic grindstone and a preparation method thereof, and is mainly different from example 1 in that the preparation method of the modified wood chips is different, and the specific steps are as follows:
step 1) preparation of modified wood chips
Taking the wood chips of the litchi trees with the particle size of 5-20 mm, placing the wood chips into a preservative solution, soaking for 12 hours at normal temperature and normal pressure, taking the preservative solution in which the preservative ACQ and water are 1:10 as a standard for completely covering the wood chips, taking out, and drying at 170 ℃. And then putting the wood chips into degreasing liquid, cooking the wood chips for 6 hours at 90 ℃, taking the wood chips out, and removing the oil and fat leaked out by using dry cloth to obtain modified wood chips, wherein the volume ratio of the degreasing agent to water in the degreasing liquid is 1: 50.
Step 2) Single recipe (1 m) in parts by weight3) When the inorganic grindstone is prepared, the following raw materials are weighed:
step 3) preparation of inorganic grindstone
Mixing 425 white cement, magnesium oxide, modified wood chips, quartz sand, industrial salt, bright powder and water to obtain slurry.
And (3) grinding, repairing, cleaning and drying the base layer, then coating the slurry on the base layer, solidifying, grinding and polishing to obtain the inorganic grindstone.
Comparative example 4
This example provides an inorganic grinding stone and a method for preparing the same, which is different from example 1 mainly in that magnesium oxide is not added, and the specific steps are as follows:
step 1) preparation of modified wood chips
Taking the wood dust of the litchi tree, the grain diameter is 5mm-20mm, soaking in water at 25 ℃ for 24h, airing for 72h, and testing that the water content is less than or equal to 5%. And then placing the wood chips in a preservative solution, soaking the wood chips for 12 hours at normal temperature and normal pressure, taking the preservative solution in which the ratio of the preservative ACQ to the water is 1:10 based on the standard that the wood chips are completely covered by the preservative solution, taking out the wood chips and drying the wood chips at 170 ℃. And then putting the wood chips into degreasing liquid, cooking the wood chips for 6 hours at 90 ℃, taking the wood chips out, and removing the oil and fat leaked out by using dry cloth to obtain modified wood chips, wherein the volume ratio of the degreasing agent to water in the degreasing liquid is 1: 50.
Step 2) Single recipe (1 m) in parts by weight3) When the inorganic grindstone is prepared, the following raw materials are weighed:
step 3) preparation of inorganic grindstone
Mixing 425 white cement, modified wood chips, quartz stone, quartz sand, industrial salt, bright powder and water to obtain slurry.
And (3) grinding, repairing, cleaning and drying the base layer, then coating the slurry on the base layer, solidifying, grinding and polishing to obtain the inorganic grindstone.
The investigation conditions of hollowing and cracking of the inorganic grindstones in the examples and the comparative examples are investigated, and the wear resistance of the inorganic grindstones is tested, so that the inorganic grindstone products prepared in the examples 1 to 3 can improve the quality problems of hollowing, cracking and the like of the inorganic grindstone finished products caused by the influence of cement stability, and have better wear resistance. The cement and the magnesium oxide are used as main binding materials, and the modified wood chips prepared by the steps of desugaring, corrosion prevention and degreasing are added, so that the comprehensive performance of the inorganic millstone is improved, the comprehensive performance of the inorganic millstones prepared in comparative examples 1-3 is inferior to that of the inorganic millstone of example 1, and the wear resistance of the inorganic millstone of comparative example 4 is inferior to that of example 1.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The inorganic millstone is characterized by comprising the following raw materials in parts by weight:
the preparation method of the modified wood chip comprises the steps of desugaring, corrosion prevention and degreasing of the wood chip.
2. The inorganic millstone of claim 1, wherein the desugaring comprises: and soaking the sawdust in water at the temperature of 20-30 ℃ or boiling the sawdust in water, and airing until the water content is less than or equal to 5%.
3. The inorganic grinding stone according to claim 1, wherein the corrosion prevention comprises: and (3) soaking the desugared wood chips in a preservative solution, taking out and drying.
4. The inorganic millstone of claim 1, wherein the degreasing comprises: and (4) placing the wood chips after being preserved into degreasing liquid for cooking, taking out and drying.
5. The inorganic grindstone according to claim 1, wherein the particle size of the wood chips is 5mm to 20 mm.
6. The inorganic grinding stone according to any one of claims 1 to 5, wherein the functional additive includes quartz stone and/or quartz sand.
7. The inorganic millstone according to claim 6, wherein the quartz stone has a particle size of 3mm to 10 mm.
8. The inorganic millstone of claim 7, wherein the functional additives further comprise one or more of starch, industrial salt, a brightening powder and an active agent.
9. The inorganic grinding stone according to claim 8, characterized by comprising the following raw materials in parts by weight:
10. a method for producing the inorganic grindstone according to any one of claims 1 to 9, characterized by: the method comprises the following steps:
mixing cement, magnesium oxide, modified wood chips, functional additives and water to obtain slurry;
and brushing the slurry, and grinding and polishing after curing.
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| CN115196925A (en) * | 2022-08-17 | 2022-10-18 | 山东亮美固地坪材料有限公司 | Construction process for whole ground of colored gravel inorganic grindstone |
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