CN115401772A - High-strength cement-based grindstone and preparation process thereof - Google Patents
High-strength cement-based grindstone and preparation process thereof Download PDFInfo
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- CN115401772A CN115401772A CN202211084789.4A CN202211084789A CN115401772A CN 115401772 A CN115401772 A CN 115401772A CN 202211084789 A CN202211084789 A CN 202211084789A CN 115401772 A CN115401772 A CN 115401772A
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- Prior art keywords
- quartz sand
- pebbles
- cement
- grindstone
- screening
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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
- B28B3/12—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
- B28B3/14—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material with co-operating pocketed rollers
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention provides a high-strength cement-based grindstone and a preparation process thereof, which relate to the technical field of the grindstone, and comprise quartz sand, pebbles, hot silicate cement, silica fume and an adhesive; s1: wherein the quartz sand accounts for 3 parts, and the pebbles account for 2 parts. The method comprises the steps of reserving one centimeter for subsequent use when a base grinding stone is compressed, taking out a manufactured mold, adding 4 parts of hot silicate cement and water into the mold to stir the hot silicate cement and the hot silicate cement, adding 3 parts of quartz sand, 2 parts of pebbles and 0.3 part of silica fume during the stirring process of the hot silicate cement, adding 0.4 part of adhesive after uniform stirring, putting the stirred material at the bottom of a punching machine for punching, taking out the material for molding, reducing the inner gap of the material by mixing and stirring, and increasing the overall density of the material by punching, so that certain hardness is increased, and certain pressure resistance is increased.
Description
Technical Field
The invention relates to the technical field of base grindstones, in particular to a high-strength cement-based grindstone and a preparation process thereof.
Background
The cement-based grindstone is not a traditional grindstone, and is different from the traditional grindstone in terms of construction process, construction materials and finished product effect.
However, in the prior art, cement-based grindstones are generally used as cementing materials in the production process, and a plurality of materials such as crushed stones, glass, quartz stones and the like are added as manufacturing materials, and generally, the cement-based grindstones are directly formed by stamping, and this method is generally suitable for ceramic tiles.
Disclosure of Invention
The invention aims to solve the defects in the prior art that a base grindstone needs to use various stones, the size of the stones is larger than that of powder, gaps between aggregates are also larger, the hardness requirement required by the base grindstone cannot be met by simply stamping the base grindstone, and if the base grindstone is subjected to stronger impact in the using process, the base grindstone is easy to break.
In order to achieve the purpose, the invention adopts the following technical scheme: a high-strength cement-based grindstone and a preparation process thereof are characterized in that: comprises quartz sand, pebbles, hot silicate cement, silica fume and an adhesive;
s1: wherein, the weight portion of the quartz sand is 3, the weight portion of the pebble is 2, the weight portion of the hot portland cement is 4, the weight portion of the silica fume is 0.3, and the weight portion of the adhesive is 0.4;
s2: grinding 3 parts of quartz sand, wherein before grinding, smaller quartz sand needs to be selected from the existing materials, and larger quartz sand needs to be ground, so that the size of the larger quartz sand reaches the standard required to be used;
s3: screening pebbles, and screening out smaller or larger pebbles; pebbles are basically used as aggregate and are also used as decorations, so that larger and smaller pebbles are screened out, and moderate pebbles are used as aggregate, so that the attractiveness of the base grindstone is improved to a certain extent;
s4: manufacturing a mould with a corresponding size, and producing according to the actual length, width and height required by production; so as to meet the standard required by the production of the basic grindstone;
s5: taking out the manufactured mould, and adding 4 parts of hot silicate cement and water into the mould to stir the hot silicate cement and the water;
s6: adding 3 parts of quartz sand, 2 parts of pebbles and 0.3 part of silica fume during the stirring process of the hot silicate cement;
s7: after being stirred uniformly, 0.4 part of adhesive is added and then stirred;
s8: putting the stirred material into the bottom of a punching machine for punching, and then taking out for forming;
s9: and after the cement-based grindstone is formed, performing rubber roll printing on the cement-based grindstone.
As a preferred embodiment of the method of the present invention,
s2.1: firstly, screening quartz sand, wherein the screened caliber is 3 mm;
s2.2: in the case that the quartz sand of 3 mm or more is ground to have an overall diameter of less than 3 mm, the quartz sand is first used as a main filler of the base grinding stone and the shape of the quartz sand is substantially irregular, and in this case, if the quartz sand is excessively large, the gaps between the quartz sand may become large, and then, the quartz sand is stirred for a plurality of times to allow other materials to enter the gaps between the quartz sand, so that the large quartz sand is ground before the stirring.
As a preferred embodiment of the method of the present invention,
s3.1: screening pebbles, preparing two screens, carrying out primary screening, and screening out larger pebbles;
s3.2: continuously screening the smaller pebbles to leave moderate pebbles;
s3.3: leaving moderate pebbles.
As a preferred embodiment, the mold in step S4 needs to be cast using steel, the length, width and height need to be set in advance, and the bottom needs to be sealed, and it should be noted that the height of the inner wall of the mold needs to be 1 cm higher than the height of the base grinding stone, because the base grinding stone needs to be compressed later, if the height of the mold is just the same as the height of the base grinding stone, there is no way to meet the requirement of the base grinding stone during manufacturing, so it is reserved for one cm for the subsequent use of the base grinding stone during compression.
As a preferred embodiment, 4 parts of hot silicate cement is diluted by adding water in advance, stirred, added with pebbles after stirring, stirred again, added with ground quartz sand, mixed and stirred again, added with silica fume during stirring to increase certain viscosity, and added with adhesive at the final stage to increase the overall viscosity.
In a preferred embodiment, the entire material is pressed by a pressing machine in step S8 to increase the hardness of the entire base grindstone and to make the base grindstone have a desired thickness.
Compared with the prior art, the invention has the advantages and positive effects that,
1. in the invention, quartz sand, pebbles, hot portland cement, silica fume and an adhesive are prepared, then the quartz sand is ground, meanwhile, smaller quartz sand needs to be selected from the existing materials before grinding, the quartz sand is firstly screened, wherein the screened quartz sand with the caliber of 3 mm and more than 3 mm is ground, the integral caliber of the quartz sand is smaller than 3 mm, the quartz sand is firstly used as a main filling material of a base grindstone, and the shape of the quartz sand is basically irregular, so that if the quartz sand is too large under the condition, the gaps among the quartz sand are likely to be enlarged, and the quartz sand needs to be stirred for many times in the later period, so that other materials enter the gaps of the quartz sand, the larger quartz sand is ground before stirring, the pebbles are screened, and the smaller or larger pebbles are screened out; pebbles are basically used as aggregate and are also used as ornaments, two screens are prepared for the first screening, larger pebbles are screened, smaller pebbles are continuously screened, moderate pebbles are reserved, and moderate pebbles are reserved, so that the larger and smaller pebbles are screened out, the moderate pebbles are used as the aggregate, the attractiveness of the base grindstone is improved to a certain extent, molds with corresponding sizes are manufactured, and the production is carried out according to the actual length, width and height required by the production; the method comprises the steps of casting a die by using steel, setting the length, the width and the height in advance, sealing the bottom, paying attention to the fact that the height of the inner wall of the die needs to be 1 cm higher than the height of the basic grindstone, compressing the basic grindstone subsequently, if the height of the die is just the same as the height needed by the basic grindstone, not meeting the requirement of the basic grindstone in manufacturing, reserving one cm for compression, using the basic grindstone subsequently when compressing the basic grindstone, taking out the manufactured die, adding 4 parts of hot silicate cement and water into the die to stir the hot silicate cement, adding 3 parts of quartz sand, 2 parts of pebbles and 0.3 part of silica fume during stirring of the hot silicate cement, adding 0.4 part of adhesive after uniform stirring, stirring the adhesive, putting the stirred material into the bottom of a punch to punch, taking out the material to form, reducing the gap inside the material in a mixing and stirring mode, increasing the integral punching resistance by a certain degree, and further increasing the integral hardness.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
Example 1
The invention provides a technical scheme that: a high-strength cement-based grindstone and a preparation process thereof are characterized in that: comprises quartz sand, pebbles, hot silicate cement, silica fume and an adhesive;
s1: wherein 3 parts of quartz sand, 2 parts of pebbles, 4 parts of hot portland cement, 0.3 part of silica fume and 0.4 part of adhesive;
s2: 3 parts of quartz sand is ground, and meanwhile, the smaller quartz sand needs to be selected from the existing materials before grinding, while the larger quartz sand needs to be ground, so that the size of the quartz sand reaches the standard required to be used;
s3: screening pebbles, and screening out smaller or larger pebbles; pebbles are basically used as aggregate and are also used as decorations, so that larger and smaller pebbles are screened out, and moderate pebbles are used as aggregate, so that the attractiveness of the base grindstone is improved to a certain extent;
s4: manufacturing a mould with a corresponding size, and producing according to the actual length, width and height required by production; so as to meet the standard required by the production of the basic grindstone;
s5: taking out the manufactured mould, and adding 4 parts of hot silicate cement and water into the mould to stir the hot silicate cement and the water;
s6: adding 3 parts of quartz sand, 2 parts of pebbles and 0.3 part of silica fume during the stirring process of the hot silicate cement;
s7: after being stirred uniformly, 0.4 part of adhesive is added and then stirred;
s8: putting the stirred material into the bottom of a punching machine for punching, and then taking out for forming;
s9: after the cement-based grindstone is formed, performing rubber roll printing on the cement-based grindstone;
s2.1: firstly, screening quartz sand, wherein the caliber of the screening is 3 mm;
s2.2: grinding the quartz sand with the diameter of more than 3 millimeters to ensure that the integral caliber of the quartz sand is less than 3 millimeters, firstly, taking the quartz sand as a main filling material of a base grinding stone, and basically, enabling the shape of the quartz sand to be irregular, so that if the quartz sand is too large under the condition, gaps among the quartz sand can be approximately enlarged, and later, stirring is carried out for multiple times, so that other materials enter the gaps of the quartz sand, and the larger quartz sand is ground before stirring;
s3.1: screening pebbles, preparing two screens, carrying out primary screening, and screening out larger pebbles;
s3.2: continuously screening the smaller pebbles and leaving moderate pebbles;
s3.3: leaving moderate pebbles;
the die in the step S4 needs to be cast by using steel, the length, the width and the height need to be set in advance, the bottom needs to be sealed, it needs to be noted here that the height of the inner wall of the die needs to be 1 cm higher than the height of the base grindstone, because the base grindstone needs to be compressed subsequently, if the height of the die is just the same as the height needed by the base grindstone, there is no way to meet the requirement when the base grindstone is manufactured, one cm is reserved for the subsequent use when the base grindstone is compressed, 4 parts of hot silicate cement needs to be diluted by adding water in advance and stirred, pebbles are added after the stirring is finished, then the pebbles are stirred again, then ground quartz sand is added, the quartz sand is mixed and stirred again, a certain viscosity is increased by adding silica fume in the stirring process, an adhesive is added in the final stage, the overall viscosity is increased, and a punch is used for punching the overall material in the step S8, so that the overall hardness of the base grindstone is improved, and the required thickness of the base grindstone is achieved.
The working principle of the embodiment is as follows:
firstly, preparing quartz sand, pebbles, hot portland cement, silica fume and an adhesive, then grinding the quartz sand, simultaneously selecting smaller quartz sand before grinding, firstly screening the quartz sand, wherein the screened quartz sand has a caliber of 3 mm, and is ground more than 3 mm, so that the integral caliber of the quartz sand is less than 3 mm, firstly, the quartz sand is used as a main filling material of a base grindstone, and the shape of the quartz sand is basically irregular, so that if the quartz sand is too large under the condition, gaps among the quartz sand are likely to be enlarged, and later, stirring is carried out for multiple times, so that other materials enter the gaps of the quartz sand, the larger quartz sand is ground before stirring, the pebbles are screened, and the smaller or larger pebbles are screened out; pebbles are basically used as aggregate and are also used as ornaments, two screens are prepared for the first screening, larger pebbles are screened, smaller pebbles are continuously screened, moderate pebbles are reserved, and moderate pebbles are reserved, so that the larger and smaller pebbles are screened out, the moderate pebbles are used as the aggregate, the attractiveness of the base grindstone is improved to a certain extent, molds with corresponding sizes are manufactured, and the production is carried out according to the actual length, width and height required by the production; the method includes the steps that the length, the width and the height of a mold need to be set in advance, the bottom of the mold needs to be sealed tightly, it needs to be noted that the height of the inner wall of the mold needs to be 1 cm higher than the height of a base grinding stone, the base grinding stone needs to be compressed subsequently, if the height of the mold is just the same as the height needed by the base grinding stone, the requirement for manufacturing the base grinding stone cannot be met, one cm is reserved for later use when the base grinding stone is compressed, the manufactured mold is taken out, 4 parts of hot silicate cement and water are added into the mold to be stirred, 3 parts of quartz sand, 2 parts of pebbles and 0.3 part of silica fume are added into the mold during stirring, 0.4 part of adhesive is added into the mold to be stirred, the stirred material is placed into the bottom of a punching machine to be punched, the mold is taken out, cement-based grinding stone is printed after being molded, the cement-based grinding stone needs to be printed on the market, and the rubber roll is printed in a certain overall pressing effect is achieved.
Comparative example 1
This example is substantially the same as the method of example 1 provided, with the main differences being: grinding the quartz sand;
comparative example 2
This example is substantially the same as the method of example 1 provided, with the main differences being: no adhesive was added.
Comparative example 3
This example is substantially the same as the method of example 1 provided, with the main differences being: the base grindstone was not punched.
Performance test
Detection is carried out through GB/T _ 50107-2010 concrete strength test evaluation standard
Hardness, abrasion resistance and heat resistance results of the AAA products provided in example 1 and comparative examples 1 to 3, taken as equal amounts, respectively:
as can be seen from the analysis of the relevant data in the above tables, by the present invention,
wherein, the weight portion of the quartz sand is 3, the weight portion of the pebble is 2, the weight portion of the hot portland cement is 4, the weight portion of the silica fume is 0.3, and the weight portion of the adhesive is 0.4;
grinding 3 parts of quartz sand, and simultaneously selecting out smaller quartz sand before grinding, and grinding larger quartz sand to enable the size of the larger quartz sand to reach the standard required to be used;
screening pebbles, and screening out smaller or larger pebbles; pebbles are basically used as aggregate and are also used as decorations, so that larger and smaller pebbles are screened out, and moderate pebbles are used as aggregate, so that the attractiveness of the base grindstone is improved to a certain extent;
manufacturing a mould with a corresponding size, and producing according to the actual length, width and height required by production; so as to meet the standard required by the production of the basic grindstone;
taking out the manufactured mould, and adding 4 parts of hot silicate cement and water into the mould to stir the hot silicate cement and the water;
adding 3 parts of quartz sand, 2 parts of pebbles and 0.3 part of silica fume during the stirring process of the hot silicate cement;
after being stirred uniformly, 0.4 part of adhesive is added and then stirred;
putting the stirred material into the bottom of a punching machine for punching, and then taking out for forming;
and after the cement-based grindstone is formed, performing rubber roll printing on the cement-based grindstone.
Firstly, screening quartz sand, wherein the screened caliber is 3 mm;
in the case that the quartz sand of 3 mm or more is ground to have an overall diameter of less than 3 mm, the quartz sand is first used as a main filler of the base grinding stone and the shape of the quartz sand is substantially irregular, and in this case, if the quartz sand is excessively large, the gaps between the quartz sand may become large, and then, the quartz sand is stirred for a plurality of times to allow other materials to enter the gaps between the quartz sand, so that the large quartz sand is ground before the stirring.
Screening pebbles, preparing two screens, carrying out primary screening, and screening out larger pebbles;
continuously screening the smaller pebbles and leaving moderate pebbles;
leaving a moderate pebble behind.
The die in the step S4 needs to be cast by using steel, the length, the width and the height need to be set in advance, and the bottom needs to be sealed, it should be noted here that the height of the inner wall of the die needs to be 1 cm higher than the height of the base grinding stone, because the base grinding stone needs to be compressed subsequently, if the height of the die is just the same as the height needed by the base grinding stone, there is no way to meet the requirement when the base grinding stone is manufactured, so one cm is reserved for the subsequent use when the base grinding stone is compressed.
4 hot silicate cement need add water dilution to it in advance to stir it, wait to stir and finish adding the cobble again, then stir it again, then add the quartz sand that grinds after finishing again, mix the stirring once more, add the silica fume in the middle of the process of stirring and increase certain stickness, add the adhesive at final stage, increase holistic stickness.
And S8, stamping the whole material by using a stamping machine, improving the whole hardness of the base grinding stone, and simultaneously enabling the base grinding stone to reach the required thickness.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (7)
1. A high-strength cement-based grindstone and a preparation process thereof are characterized in that: comprises quartz sand, pebbles, hot silicate cement, silica fume and an adhesive;
s1: wherein, the weight portion of the quartz sand is 3, the weight portion of the pebble is 2, the weight portion of the hot portland cement is 4, the weight portion of the silica fume is 0.3, and the weight portion of the adhesive is 0.4;
s2: grinding 3 parts of quartz sand;
s3: screening pebbles, and screening out smaller or larger pebbles;
s4: manufacturing a mould with a corresponding size;
s5: taking out the manufactured mould, and adding 4 parts of hot silicate cement and water into the mould to stir the hot silicate cement and the water;
s6: adding 3 parts of quartz sand, 2 parts of pebbles and 0.3 part of silica fume in the stirring process of the hot silicate cement;
s7: after being stirred uniformly, 0.4 part of adhesive is added and then stirred;
s8: putting the stirred material into the bottom of a punching machine for punching, and then taking out for forming;
s9: and after the cement-based grindstone is formed, performing rubber roll printing on the cement-based grindstone.
2. A high-strength cement-based grindstone and a process for producing the same according to claim 1, characterized in that: the step S2 includes the steps of:
s2.1: firstly, screening quartz sand, wherein the caliber of the screening is 3 mm;
s2.2: and grinding the quartz sand with the diameter of more than 3 millimeters to ensure that the integral caliber of the quartz sand is less than 3 millimeters.
3. A high-strength cement-based grindstone and a process for producing the same according to claim 1, characterized in that: s3 comprises the following steps:
s3.1: screening pebbles, preparing two screens, carrying out primary screening, and screening out larger pebbles;
s3.2: continuously screening the smaller pebbles to leave moderate pebbles;
s3.3: leaving a moderate pebble behind.
4. The high-strength cement-based grindstone and the process for producing the same as set forth in claim 1, characterized in that: the mold in step S4 needs to be cast using steel, the length, width and height need to be set in advance, and the bottom needs to be sealed, where it needs to be noted that the height of the inner wall of the mold needs to be 1 cm higher than the height of the base grindstone.
5. The high-strength cement-based grindstone and the process for producing the same as set forth in claim 1, characterized in that: 4 hot silicate cement need add water dilution to it in advance to stir it, wait to stir and finish adding the cobble again, then stir it again, then add the quartz sand that finishes grinding again, mix the stirring once more, add the silica fume in the middle of the process of stirring and increase certain stickness, add the adhesive in final stage, increase holistic stickness.
6. A high-strength cement-based grindstone and a process for producing the same according to claim 1, characterized in that: and S8, stamping the whole material by using a stamping machine, improving the whole hardness of the base grinding stone, and simultaneously enabling the base grinding stone to reach the required thickness.
7. A high-strength cement-based grindstone and a process for producing the same according to claim 1, characterized in that: including high strength cement-based grindstones.
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