CN105034173B - Surface hardening process for unconsolidated stone - Google Patents
Surface hardening process for unconsolidated stone Download PDFInfo
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- CN105034173B CN105034173B CN201510414339.0A CN201510414339A CN105034173B CN 105034173 B CN105034173 B CN 105034173B CN 201510414339 A CN201510414339 A CN 201510414339A CN 105034173 B CN105034173 B CN 105034173B
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Abstract
The invention relates to the field of product surface treatment, in particular to a surface hardening process for unconsolidated stone. The process includes the following steps of stone trimming, primary grinding, drying, soaking, water removing, consolidating, cooling, fine grinding and protective agent spraying. A hardening layer with silicon dioxide as the main component is formed on the surface of the stone to harden the surface of the unconsolidated stone, the stone has both stone grain and high hardness, the hardness of the stone can reach that of granite, and therefore the stone has a good decorative effect and great practical value; the special protective agent is sprayed on the hardened layer with the silicon dioxide as the main component to improve the surface gloss of the stone, and therefore the stone has waterproofness, high transparency, high toughness, corrosion resistance, weather resistance, stain resistance, chemical medium resistance and the like.
Description
Technical field
The present invention relates to product surface processing technology field, refer in particular to a kind of spongiosa stone surface hardening process.
Background technology
Spongiosa stone material such as sandstone is a kind of most popular stone material for building.Before centuries, formed with sandstone decoration
Building still keep one's charm so far, such as Notre Dame de Paris, the Louvre, Great Britain imperial palace, US Congress, Harvard University etc..Sandstone
The makings of elegant and its hard quality have achieved many wonderful works in world architecture history.Recent years, sandstone was as one
Plant construction material, be followed fashion and natural building designers are praised highly, be widely used in business and house decoration.Mesh
Be produced on former world using have Australian Sandstone, India's sandstone, Spain's sandstone, Chinese sandstone etc..
A lot of spongiosa stone materials at present, if sandstone, hole stone and air slaking marble are all using synthetic, are closed using artificial
Become stone material, using Organic substance in building-up process, this Organic substance can volatilize harmful gas, lead to pollute environment and injury human body is good for
Health；Furthermore, the stone material of synthesis easily ftractures, variable color, does not also have the lines of stone material itself, also can increase the cost of production.Adopt
With natural spongiosa stone material such as sandstone, hole stone and air slaking marble, stone surface is easily contaminated, air slaking, the weatherability of stone material
Difference, and natural spongiosa stone material uses and is subject to certain restrictions it is impossible to carry out ground decoration, such as floor, wall brick etc..
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of spongiosa stone surface hardening process, forms one in stone surface
Layer hardened layer, in the special protective agent of hardened layer last layer so that after processing stone surface is hard and lustrous surface, performance
Good, there is good decorative effect so as to there is gradual change texture attractive in appearance and abundant lines, to lift plasthetics class simultaneously
And meet the spongiosa stone surface hardening process of the continuous pursuit to plasthetics surface aesthetic for the people.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that a kind of spongiosa stone surface hardening process,
It comprises the following steps:
A, repair and cut stone material: processing of stone is become desired thickness, repair square cut stand-by to required size；
B, preliminary grinding, by the surface polishing of the stone material in step a；
C, drying, the stone material heating, drying in step b removes the moisture in stone material；
D, immersion, the stone material in step c is immersed in aqueous silicate solution, and sealing pressing；
E, remove moisture removal, the stone material in step d is removed moisture removal；
F, solidification, the stone material in step e are put into drying oven and are heated to 180 DEG C to 220 DEG C, 35 to 45 points of keeping temperature
Clock；
G, cooling, the stone material in step f is gone to room temperature cooling；
H, fine grinding, the stone material in step g are carried out precision and are polished to required surface accuracy；
I, spray protective agent, by the stone material spary protective agent in step h.
Wherein, in described step b, by stone polishing to 200 to 320 mesh.
Wherein, in described step c, the temperature of stone material heating, drying is 60 DEG C to 80 DEG C；After drying, the relative humidity of stone material is
Less than 15%.
Wherein, the silicate in aqueous silicate solution in described step d is selected from alkali silicate, orthosilicic acid tetraalkyl
One or more of ester, precipitated silica, pyrolytic silicon dioxide and silicon dioxide glue liquid suspension.
Wherein, in described step d, the pressure of sealing pressing is 2.6 to 3.4 atmospheric pressure, and soak time is 8 to 12 minutes.
Wherein, in described step e, stone material is put into and in vacuum equipment, carries out evacuation, vacuum be -0.3 to -
0.4mpa, the time is 8 to 12 minutes.
Wherein, in described step h, abrasive material used by polishing is 320 to 1000 mesh.
Wherein, in described step i, described protective agent be 100～120 parts acrylic resin, 170～190 hydroxy silicon oils,
110～130 parts of xylene solvents, mixture of 16～20 parts of SiO 2 powders.
Preferably, described protective agent be 105～115 parts acrylic resin, 175～185 hydroxy silicon oils, 115～1125
Part xylene solvent, the mixture of 17～19 parts of SiO 2 powders.
Wherein, described stone material is any one in sandstone, hole stone or air slaking marble.
The beneficial effects of the present invention is:
(1), the present invention is simple to operate, stone material abundant raw materials, and manufacturing cost, it is easy to automatization produces in enormous quantities, is processed
Stone material afterwards has very strong practical value, and entirely environmental friendly, and practicality is very strong.
(2), the Mohs' hardness of before processing stone material is very low, stone surface also easily pollution, air slaking, stone material weatherability poor,
Ground decoration can not be carried out, such as floor, wall brick etc..After processing by the present invention, form one layer with dioxy in stone surface
Hardened layer based on SiClx crystal is equivalent to granitic hardness (granitic not so that the Mohs' hardness of stone surface reaches
Family name's hardness is 6 to 8), increased the wearability of sandstone, expand the purposes of stone material.
(3), in the hardening layer surface spary protective agent based on silica crystals, increase stone surface glossiness, with
When make stone material have water resistance, the high grade of transparency, high tenacity, corrosion resistance, weatherability, stain resistance and resistant to chemical media
Deng.After process, stone material has the texture of itself, has high rigidity so that stone material has decorative effect attractive in appearance again.
Specific embodiment
For the ease of the understanding of those skilled in the art, with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not limitation of the invention.
Embodiment one.
A kind of spongiosa stone surface hardening process, it comprises the following steps:
A, repair and cut stone material: sandstone is processed into desired thickness, repair square cut stand-by to required size；B, preliminary grinding, by step a
In sandstone surface polishing, its surface is polished to 200 mesh, makes stone material sandstone surface smooth, uniform；C, drying, by step b
Sandstone heating, drying, the temperature of heating, drying is 60 DEG C, and after drying, the relative humidity of sandstone is less than 15%, removes in sandstone
Moisture so that aqueous silicate solution in effective absorption step d, and aqueous silicate solution concentration can be kept constant；d、
Soak, the sandstone in step c is immersed in alkali silicate and the silicate cement for main component of orthosilicic acid tetraalkyl ester
In solution, and the pressure of sealing pressing is 2.6 atmospheric pressure, soaks 12 minutes, makes sandstone fully absorb aqueous silicate solution；e、
Remove moisture removal, the sandstone in step d put into and in vacuum equipment, carries out evacuation, the vacuum in vacuum equipment is -0.3mpa,
Pumpdown time is 12 minutes, removes sandstone moisture, is that sandstone next step carries out condensation reaction and prepares；F, solidification, by step e
In sandstone put into drying oven and be heated to 180 DEG C, keeping temperature 45 minutes, make sandstone and silicate carry out condensation reaction, in sand
The surface of rock forms one layer of hardened layer based on silica crystals；G, cooling, the sandstone in step f are gone to room temperature cold
But；H, fine grinding, the sandstone in step g is that 320 mesh carry out precision and are polished to required surface accuracy with abrasive material；I, spray protection
Agent, the sandstone spary protective agent in step h increases sandstone surface glossiness, water resistance, the high grade of transparency, bright plentiful, painting
Film is tough and tensile, corrosion resistance, ultraviolet resistance, weatherability, stain resistance and resistant to chemical media etc., and this protective agent is 100 parts
Acrylic resin, 190 hydroxy silicon oils, 110 parts of xylene solvents, mixture of 16 parts of SiO 2 powders.
The Mohs' hardness of before processing sandstone be 2, its hardness is relatively low, sandstone surface also easily be contaminated, air slaking, stone material resistance to
Time property difference it is impossible to carry out ground decoration, such as floor, wall brick etc..After processing by the present invention, form one layer in sandstone surface
So that the Mohs' hardness of sandstone surface reaches 5.6, its Mohs' hardness improves 2.75 to hardened layer based on silica crystals
Times, be equivalent to granitic hardness (granitic Mohs' hardness is 6 to 8), increased the wearability of sandstone；With silicon dioxide
Hardening layer surface spary protective agent based on crystal, increases sandstone surface glossiness, makes sandstone have water resistance, height thoroughly simultaneously
Lightness, high tenacity, corrosion resistance, weatherability, stain resistance and resistant to chemical media etc..After process, sandstone stone material has itself
Texture, has high rigidity so that stone material has decorative effect attractive in appearance again, it may also be used for ground is decorated as floor, wall brick etc.
It is used.
The present invention is simple to operate, sandstone abundant raw materials, and manufacturing cost is it is easy to automatization produces in enormous quantities, after process
Sandstone stone material has very strong practical value, and entirely environmental friendly, and practicality is very strong.
Embodiment two.
A kind of spongiosa stone surface hardening process, it comprises the following steps:
A, repair and cut hole stone: Jiang Dongshi is processed into desired thickness, repair square cut stand-by to required size；B, preliminary grinding, by step a
In hole stone surface polishing, its surface is polished to 260 mesh, makes hole stone surfacing, uniformly；C, drying, by the hole in step b
Stone heating, drying, the temperature of heating, drying is 70 DEG C, and after drying, the relative humidity of hole stone is less than 14%, removes the water in the stone of hole
Divide the aqueous silicate solution so that in effective absorption step d, and aqueous silicate solution concentration can be kept constant；D, immersion,
Hole stone in step c is immersed in the precipitated silica and pyrolytic silicon dioxide aqueous silicate solution for main component, and
The pressure of sealing pressing is 3.0 atmospheric pressure, soaks 10 minutes, makes hole stone fully absorb aqueous silicate solution；E, remove moisture removal,
Hole stone in step d is put into and in vacuum equipment, carries out evacuation, the vacuum in vacuum equipment is -0.35mpa, during evacuation
Between be 10 minutes, remove hole stony edema and divide, be that hole stone next step carries out condensation reaction and prepares；F, solidification, by the hole stone in step e
Put into drying oven and be heated to 200 DEG C, keeping temperature 38 minutes, make hole stone and silicate carry out condensation reaction, on the surface of hole stone
Form one layer of hardened layer based on silica crystals；G, cooling, the hole stone in step f is gone to room temperature cooling；H, fine grinding,
Hole stone in step g is that 760 mesh carry out precision and are polished to required surface accuracy with abrasive material；I, spray protective agent, by step h
Hole stone spary protective agent, increase hole stone surface gloss, water resistance, the high grade of transparency, light is plentiful, film is tough and tensile, corrosion resistant
Corrosion, ultraviolet resistance, weatherability, stain resistance and resistant to chemical media etc., this protective agent be 110 parts acrylic resin,
180 hydroxy silicon oils, 120 parts of xylene solvents, mixture of 18 parts of SiO 2 powders.
The Mohs' hardness of before processing hole stone be 2.1, its hardness is relatively low, hole stone surface is also polluted, air slaking, the weatherability of hole stone
Differ from it is impossible to carry out ground decoration, such as floor, wall brick etc..After processing by the present invention, form one layer with two on hole stone surface
So that the Mohs' hardness on hole stone surface reaches 5.4, its Mohs' hardness improves 2.57 times to hardened layer based on silica crystal,
Be equivalent to granitic hardness (granitic Mohs' hardness is 6 to 8), increased the wearability of hole stone；With titanium dioxide silicon wafer
Hardening layer surface spary protective agent based on body, increases hole stone surface gloss, makes hole stone have water resistance, high transparency simultaneously
Degree, high tenacity, corrosion resistance, weatherability, stain resistance and resistant to chemical media etc..After process, hole stone has the stricture of vagina of itself
Reason, has high rigidity so that stone material has decorative effect attractive in appearance, it may also be used for ground is as decorations such as floor, wall bricks again
With.
The present invention is simple to operate, hole stone abundant raw materials, and manufacturing cost is it is easy to automatization produces in enormous quantities, after process
Hole stone has very strong practical value, and entirely environmental friendly, and practicality is very strong.
Embodiment three.
A kind of spongiosa stone surface hardening process, it comprises the following steps:
A, repair wind cutting marble: air slaking Marble processing is become desired thickness, repair square cut stand-by to required size；b、
Preliminary grinding, marmorean for the air slaking in step a surface is polished, its surface is polished to 320 mesh, make air slaking marble surface smooth,
Uniformly；C, drying, by the air slaking marble heating, drying in step b, the temperature of heating, drying is 80 DEG C, air slaking Dali after drying
The relative humidity of stone is less than 13%, removes moisture in air slaking marble so that silicate cement in effective absorption step d
Solution, and aqueous silicate solution concentration can be kept constant；D, immersion, the air slaking marble in step c is immersed in orthosilicic acid
Tetraalkyl ester and precipitated silica are in the aqueous silicate solution of main component, and the pressure of sealing pressing is 3.4 air
Pressure, soaks 12 minutes, makes air slaking marble fully absorb aqueous silicate solution；E, remove moisture removal, by the air slaking Dali in step d
Stone is put into and is carried out evacuation in vacuum equipment, and the vacuum in vacuum equipment is -0.4mpa, and the pumpdown time is 12 minutes, goes
Except air slaking marble moisture, it is that air slaking marble next step carries out condensation reaction and prepares；F, solidification, by the air slaking in step e
Marble is put into drying oven and is heated to 220 DEG C, keeping temperature 35 minutes, makes air slaking marble and silicate carry out condensation reaction,
Form one layer of hardened layer based on silica crystals on the marmorean surface of air slaking；G, cooling, will be big for the air slaking in step f
Gypsum Fibrosum goes to room temperature cooling；H, fine grinding, by the air slaking marble in step g with abrasive material for 1000 mesh carry out precision be polished to required
Surface accuracy；I, spray protective agent, the air slaking marble spary protective agent in step h increases air slaking marble surface gloss
Degree, water resistance, the high grade of transparency, light is plentiful, film is tough and tensile, corrosion resistance, ultraviolet resistance, weatherability, stain resistance and
Resistant to chemical media etc., this protective agent be 120 parts acrylic resin, 170 hydroxy silicon oils, 130 parts of xylene solvents, 20 part two
The mixture of silicon oxide powder.
The Mohs' hardness of before processing hole stone be 1.8, its hardness is relatively low, air slaking marble surface also pollutes, further air slaking,
Air slaking marmorean weatherability difference it is impossible to carry out ground decoration, such as floor, wall brick etc..After being processed by the present invention, in wind
Change marble surface and form one layer of hardened layer based on silica crystals so that the Mohs' hardness of air slaking marble surface reaches
To 5.5, its Mohs' hardness improves 3.1 times, is equivalent to granitic hardness (granitic Mohs' hardness is 6 to 8), increased
The marmorean wearability of air slaking；In the hardening layer surface spary protective agent based on silica crystals, increase air slaking marble
Surface gloss, so that air slaking marble is had water resistance, the high grade of transparency, high tenacity, corrosion resistance, weatherability, resistance to be stained with simultaneously
Dirt and resistant to chemical media etc..After process, air slaking stone of marble has the texture of itself, has high rigidity so that stone material again
There is decorative effect attractive in appearance, it may also be used for ground is used as the decoration such as floor, wall brick.
The present invention is simple to operate, air slaking marble abundant raw materials, and manufacturing cost, it is easy to automatization produces in enormous quantities, is located
Air slaking stone of marble after reason has very strong practical value, and entirely environmental friendly, and practicality is very strong.
Above-described embodiment is the present invention preferably implementation, and in addition, the present invention can be realized with alternate manner,
Without departing from obvious replacement any on the premise of the technical program design all within protection scope of the present invention.
Claims (7)
1. a kind of spongiosa stone surface hardening process it is characterised in that: it comprises the following steps:
A, repair and cut stone material: processing of stone is become desired thickness, repair square cut stand-by to required size；
B, preliminary grinding, by the surface polishing of the stone material in step a；
C, drying, the stone material heating, drying in step b removes the moisture in stone material；
D, immersion, the stone material in step c is immersed in aqueous silicate solution, and sealing pressing；
E, remove moisture removal, the stone material in step d is removed moisture removal；
F, solidification, the stone material in step e are put into drying oven and are heated to 180 DEG C to 220 DEG C, keeping temperature 35 to 45 minutes；
G, cooling, the stone material in step f is gone to room temperature cooling；
H, fine grinding, the stone material in step g are carried out precision and are polished to required surface accuracy；
I, spray protective agent, by the stone material spary protective agent in step h；
In described step d, the pressure of sealing pressing is 2.6 to 3.4 atmospheric pressure, and soak time is 8 to 12 minutes.
2. a kind of spongiosa stone surface hardening process according to claim 1 it is characterised in that: in described step b, by stone
Material is polished to 200 to 320 mesh.
3. a kind of spongiosa stone surface hardening process according to claim 1 it is characterised in that: stone material in described step c
The temperature of heating, drying is 60 DEG C to 80 DEG C；After drying, the relative humidity of stone material is less than 15%.
4. a kind of spongiosa stone surface hardening process according to claim 1 it is characterised in that: silicic acid in described step d
Silicate in saline solution be selected from alkali silicate, orthosilicic acid tetraalkyl ester, precipitated silica, pyrolytic silicon dioxide and
One or more of silicon dioxide glue liquid suspension.
5. a kind of spongiosa stone surface hardening process according to claim 1 it is characterised in that: in described step h, polishing
Abrasive material used is 320 to 1000 mesh.
6. a kind of spongiosa stone surface hardening process according to claim 1 it is characterised in that: in described step i, described
Protective agent be 100～120 parts acrylic resin, 170～190 hydroxy silicon oils, 110～130 parts of xylene solvents, 16～20 parts
The mixture of SiO 2 powder.
7. a kind of spongiosa stone surface hardening process according to claim 1 it is characterised in that: described stone material be sandstone,
Any one in hole stone or air slaking marble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510414339.0A CN105034173B (en) | 2015-07-15 | 2015-07-15 | Surface hardening process for unconsolidated stone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510414339.0A CN105034173B (en) | 2015-07-15 | 2015-07-15 | Surface hardening process for unconsolidated stone |
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| CN105034173A CN105034173A (en) | 2015-11-11 |
| CN105034173B true CN105034173B (en) | 2017-02-01 |
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| CN201510414339.0A Active CN105034173B (en) | 2015-07-15 | 2015-07-15 | Surface hardening process for unconsolidated stone |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109054631A (en) * | 2018-08-13 | 2018-12-21 | 枣庄鑫金山智能机械股份有限公司 | A kind of process for metallizing surface of granite |
| CN111348935A (en) * | 2020-03-04 | 2020-06-30 | 郑州石宝宝科技有限公司 | Color-moistening protective agent for rough stone and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191019346A (en) * | 1910-08-17 | 1911-08-17 | Domenico Accettola | Improvements in or relating to the Manufacture of Artificial Marble and the like. |
| DD276899A1 (en) * | 1988-11-11 | 1990-03-14 | Univ Rostock | METHOD FOR PRODUCING A GEOTEXTIL LAX GRAIN COMPOUND |
| CN102765013B (en) * | 2012-07-04 | 2014-12-31 | 高要市东颖石艺有限公司 | Polishing method for irregular marble surface |
| CN103980002A (en) * | 2014-05-14 | 2014-08-13 | 应士敏 | Sandstone highlight treating process |
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2015
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