CN112194474A - Microcrystalline jade processing technology - Google Patents
Microcrystalline jade processing technology Download PDFInfo
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- CN112194474A CN112194474A CN202011060865.9A CN202011060865A CN112194474A CN 112194474 A CN112194474 A CN 112194474A CN 202011060865 A CN202011060865 A CN 202011060865A CN 112194474 A CN112194474 A CN 112194474A
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- 239000010977 jade Substances 0.000 title claims abstract description 36
- 238000005516 engineering process Methods 0.000 title claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 61
- 238000001035 drying Methods 0.000 claims abstract description 39
- 238000005507 spraying Methods 0.000 claims abstract description 39
- 239000000843 powder Substances 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 37
- 238000010304 firing Methods 0.000 claims abstract description 30
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 14
- 239000011707 mineral Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 13
- 239000004575 stone Substances 0.000 claims abstract description 9
- 235000015895 biscuits Nutrition 0.000 claims abstract description 7
- 238000007639 printing Methods 0.000 claims abstract description 5
- 239000011449 brick Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 25
- 238000005520 cutting process Methods 0.000 claims description 18
- 239000002002 slurry Substances 0.000 claims description 15
- 238000004806 packaging method and process Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- 238000007641 inkjet printing Methods 0.000 claims description 7
- 229910021532 Calcite Inorganic materials 0.000 claims description 6
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 3
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 239000010459 dolomite Substances 0.000 claims description 3
- 229910000514 dolomite Inorganic materials 0.000 claims description 3
- 238000007688 edging Methods 0.000 claims description 3
- 239000010433 feldspar Substances 0.000 claims description 3
- 239000010436 fluorite Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 235000010344 sodium nitrate Nutrition 0.000 claims description 3
- 239000004317 sodium nitrate Substances 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- 235000010755 mineral Nutrition 0.000 description 9
- 235000017550 sodium carbonate Nutrition 0.000 description 3
- 235000014692 zinc oxide Nutrition 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- BYFGZMCJNACEKR-UHFFFAOYSA-N aluminium(i) oxide Chemical compound [Al]O[Al] BYFGZMCJNACEKR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002969 artificial stone Substances 0.000 description 1
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000012245 magnesium oxide Nutrition 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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Abstract
The invention discloses a microcrystalline jade processing technology, which comprises the steps of selecting raw materials, wherein the raw materials are formed by mixing mineral raw materials accounting for 64-74% of the total weight and auxiliary chemical raw materials accounting for 26-36% of the total weight; then the powder is manufactured by a ball mill and a spray tower, a roller press is adopted to press the powder into a blank, a biscuit is fired by a biscuit firing kiln, glazing, glaze spraying and printing operations are carried out, a finished product is dried, the edge of the finished product is ground, the finished product is cut, and finally the finished product is stored and packaged. The microcrystalline jade is processed and formed by adopting the process steps, multiple times of high-temperature firing and drying processing are adopted in the forming process, the raw material condensation phenomenon is avoided in the processing process, the overall texture of the jade is uniform, the fineness and the flatness are high, the stability is high, and the product quality is high. The jade curing process is completed through a plurality of processes, and the whole structure is delicate and precise. Meanwhile, the problems of low hardness, easy abrasion and radiation of the natural stone are solved.
Description
Technical Field
The invention relates to the technical field of jade production processes, in particular to a microcrystalline jade processing process.
Background
The nano microlite is a mineral filled high molecular composite material (solid surface material or solid plate for short) prepared by vacuum casting or compression molding of nano material, natural stone powder and natural pigment, and is a novel environment-friendly building decoration material without radioactive elements and capable of being recycled. The process plate of the nano microlite type is more compact and smooth in material, and meanwhile, the nano microlite has the seepage prevention, the wear resistance and the mildew resistance, so that the defects of common artificial stones are avoided, and the process plate has practical value.
At present, the following problems exist in the general jade production process: firstly, after the raw materials are stirred with water, the powder material is condensed due to insufficient subsequent heating and drying, the powder material cannot be completely uniformly granulated, partial granules are large, the density of the green brick subjected to press forming is not uniform, the fineness of the finished product is poor, and the product quality cannot be improved. Secondly, after the material is pressed, the curing process is directly carried out, and the curing process is simple curing processes such as drying, and the control is not careful and precise enough, so that the structure-related performance of the process plate is not improved. And thirdly, before the plates are pressed, the mixture is filled into a mould, and then pressing and curing processes are carried out, generally, a batch of plates are produced by using the same mould, consistent plates are produced, one-time products are monotonous, and the resource consumption is relatively high. Fourthly, the produced board material is insufficient in uniformity, fineness, flatness and stability.
Disclosure of Invention
In view of the above, the present invention provides a process for processing microcrystalline jade, which comprises the steps of mixing powder, pressing into a blank, bisque firing, glaze spraying, glaze firing, drying and finally packaging to obtain the product, wherein the microcrystalline jade has the advantages of uniform integral texture, high fineness and flatness, high stability and high product quality.
In order to achieve the purpose, the invention adopts the following technical scheme:
a microcrystalline jade processing technology comprises the following steps:
s1: selecting raw materials: the raw materials are formed by mixing 64-74 percent of mineral raw materials and 26-36 percent of auxiliary chemical raw materials; the mineral raw materials comprise the following components in parts by weight: 30-48 parts of quartz sand, 8-14 parts of calcite, 7-12 parts of potassium feldspar, 3-7 parts of fluorite and 2-4 parts of dolomite; the auxiliary chemical raw materials comprise the following components in parts by weight: 1-7 parts of aluminum oxide, 2-8 parts of sodium carbonate, 1-8 parts of potassium carbonate, 1-3 parts of sodium nitrate and 3-6 parts of zinc oxide;
s2: powder preparation: mixing the mineral raw materials and the auxiliary chemical raw materials, pouring the mixture into a feeder, and conveying the raw materials into a hopper of a ball mill through a conveyer belt of the feeder; adding water and additives into a ball mill, continuously rotating the ball mill, and stirring the raw materials into a slurry state; conveying the slurry raw material to a spraying tower, wherein a hot blast stove and a drying cavity are arranged in the spraying tower, the slurry raw material is sprayed downwards in a mist form from the upper part of the spraying tower, the hot blast stove is communicated with the drying cavity, and the hot blast stove blows and heats the sprayed slurry raw material to change the slurry raw material into powder; the powder material enters a drying cavity, the temperature in the drying cavity is 110-150 ℃, and the powder material dried by the drying cavity enters a powder bin from a valve at the bottom of the drying cavity;
s3: pressing into a blank: uniformly conveying the powder in the powder bin into a roller press by using an automatic distributing machine, pressing the powder into green bricks by using the roller press, turning the green bricks by using a blank turning machine, polishing the surfaces of the green bricks by using a blank grinding machine, and conveying the polished green bricks to a biscuit firing kiln by using an automatic brick loading and unloading machine;
s4: and (3) green brick firing: conveying the green bricks to a biscuiting kiln for high-temperature firing, wherein the firing temperature of the biscuiting kiln is 1300-1500 ℃;
s5: glazing, glaze pouring and printing: the green bricks discharged from the kiln outlet of the biscuiting kiln are subjected to glazing and glaze pouring through a glazing line, and then enter a glaze fixing cabinet for glaze reinforcement; then, the glaze is moved forward along a glazing line to enter an ink-jet printing machine for ink-jet printing treatment; then, the glaze enters a glaze firing kiln through a glazing line to carry out high-temperature glaze curing, wherein the temperature of the glaze firing kiln is 1400-1600 ℃; the glaze for glazing and pouring comprises, by weight, 5-9 parts of sodium stone powder, 40-46 parts of feldspar, 10-15 parts of clay, 2-5 parts of talc, 6-9 parts of barium carbonate and 4-8 parts of calcite;
s6: and (3) drying a finished product: the green bricks are changed into finished products after being discharged from the glaze firing kiln, and the finished products are conveyed to a drying kiln through a conveying line to be dried, wherein the temperature of the drying kiln is 700-900 ℃;
s7: and (3) edging of a finished product: after the finished product is taken out of the drying kiln, the finished product enters an edge grinding machine through a conveying line to carry out edge line grinding on the finished product, remove burrs and improve the smoothness;
s8: cutting a finished product: finishing the edge cutting processing by using an edge cutting machine according to the size;
and packaging and storing.
As a preferred embodiment: the spraying steps of glazing and glaze pouring in the step S5 are as follows: spraying colorless glaze materials in the glaze materials to the green bricks for 3-6 seconds, wherein the spraying amount is 22-28 g → spraying colored glaze materials in the glaze materials to the green bricks for 3-7 seconds, and the spraying amount is 23-27 g → stopping; when spraying, the specific gravity of the glaze is 1.50 +/-0.03 g/cm3, and the flow speed is 12-15 m/s.
As a preferred embodiment: and in the step S5, the spraying range of the glazing and the glaze pouring is 0.1-0.2 m away from the edge of the green brick.
As a preferred embodiment: in the step S8, for the user with the required size cutting, the bridge cutter is used to complete the cutting of each size according to the size, and then the edge cutting process is completed by the edge cutter.
As a preferred embodiment: the rotating speed of the roller press in the step S3 is 2-4 minutes/revolution, and the pressure is 9-14 Pa.
As a preferred embodiment: in the step S4, the temperature of the roasting kiln is raised to 900-950 ℃ after 35-65 minutes, and is raised to 1300-1500 ℃ after 80-140 minutes.
As a preferred embodiment: and in the step S2, an infrared level gauge for controlling the feeding of the feeder is arranged on the feeder.
As a preferred embodiment: and in the step S2, the rotating speed of the ball mill is 180-220 r/min.
As a preferred embodiment: in the step S1, the granularity of the raw material is 60-90 meshes, and the fluctuation of the components is less than 0.4%.
As a preferred embodiment: and in the step S1, mixing the mineral raw materials and the auxiliary chemical raw materials by using a mixer, wherein the mixer is used for stirring for 15-20 minutes, and the mixing is finished.
Compared with the prior art, the method has the obvious advantages and beneficial effects, and concretely, according to the technical scheme, the method adopts multiple times of high-temperature firing and drying processing in the microcrystalline jade forming process through powder mixing, pressing to form a blank, biscuit firing treatment, glaze spraying treatment, glaze firing treatment, drying treatment and final packaging of a finished product, so that the raw material condensation phenomenon is avoided in the processing process, the jade is uniform in overall texture, high in fineness and flatness, high in stability and high in product quality. Moreover, the jade curing process is completed through a plurality of processes, and the whole structure is delicate and precise. Meanwhile, the problems of low hardness, easy abrasion and radiation of the natural stone are solved.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention;
FIG. 2 is a schematic diagram of the distribution of the equipment used in the process of the present invention.
Detailed Description
As shown in figures 1 and 2, the invention relates to a microcrystalline jade processing technology, which comprises the following processing steps:
selecting raw materials, wherein the raw materials are formed by mixing 64-74 percent of mineral raw materials and 26-36 percent of auxiliary chemical raw materials; the mineral raw materials comprise the following components in parts by weight: 30-48 parts of quartz sand, 8-14 parts of calcite, 7-12 parts of potassium feldspar, 3-7 parts of fluorite and 2-4 parts of dolomite; the auxiliary chemical raw materials comprise the following components in parts by weight: 1-7 parts of aluminum oxide, 2-8 parts of sodium carbonate, 1-8 parts of potassium carbonate, 1-3 parts of sodium nitrate and 3-6 parts of zinc oxide. Mineral raw materials and auxiliary chemical raw materials are mixed by a mixer, the mixer is used for stirring for 15-20 minutes, and the mixing is finished. The granularity of the mixed raw materials is between 60 and 90 meshes, and the component fluctuation is less than 0.4 percent.
The raw materials are prepared into powder, specifically, the mineral raw materials and the auxiliary chemical raw materials are mixed and poured into a feeding machine, and an infrared liquid level meter for controlling the feeding of the feeding machine is arranged on the feeding machine. Conveying the raw materials to a hopper of a ball mill through a conveyer belt of a feeding machine; adding water (the water amount is 2-3 times of the weight of the raw materials) and an additive (the additive is a mixture consisting of Na2CO3, ZnO, MgO, SiO2 and Al2O 3) into a ball mill, continuously rotating the ball mill (the rotating speed of the ball mill is 180-220 r/min), and stirring the raw materials to be in a slurry state. Conveying the slurry raw material to a spraying tower, wherein a hot blast stove and a drying cavity are arranged in the spraying tower, the slurry raw material is sprayed downwards in a mist form from the upper part of the spraying tower, the hot blast stove is communicated with the drying cavity, and the hot blast stove blows and heats the sprayed slurry raw material to change the slurry raw material into powder; and (3) feeding the powder into a drying cavity, wherein the temperature in the drying cavity is 110-150 ℃, and feeding the powder dried by the drying cavity into a powder bin through a valve at the bottom of the drying cavity.
Pressing the powder into a green brick, uniformly conveying the powder in the powder bin (the automatic distributor is mainly used for uniformly distributing the powder) into a roller press by adopting an automatic distributor, wherein the rotating speed of the roller press is 2-4 minutes/revolution, and the pressure is 9-14 Pa. Pressing the powder material into a green brick by a roller press matched mould, turning the green brick by a green brick turning machine, and polishing the surface of the green brick by a green brick grinding machine; and conveying the polished rotary blank to a biscuit firing kiln for high-temperature firing by using an automatic brick loading and unloading machine, wherein the firing temperature of the biscuit firing kiln is 1300-1500 ℃. The temperature of the roasting kiln rises in a staged manner, specifically, the temperature can rise to 900-950 ℃ after 35-65 minutes, the temperature can rise to 1300-1500 ℃ after 80-140 minutes, and the temperature can rise in a staged manner to prevent the green bricks from being cracked due to too fast temperature rise.
Glazing, glazing and printing the fired green bricks, specifically, glazing and glazing the green bricks discharged from the kiln outlet of the biscuiting kiln through a glazing line, and then entering a glaze fixing cabinet for glaze reinforcement; then, the glaze is moved forward along a glazing line to enter an ink-jet printing machine for ink-jet printing treatment; and after printing treatment, entering a glaze firing kiln through a glazing line to perform high-temperature glaze solidification, wherein the temperature of the glaze firing kiln is 1400-1600 ℃. The glaze for glazing and pouring comprises, by weight, 5-9 parts of sodium stone powder, 40-46 parts of feldspar, 10-15 parts of clay, 2-5 parts of talc, 6-9 parts of barium carbonate and 4-8 parts of calcite;
the spraying steps of glazing and glaze pouring are as follows: spraying colorless glaze materials in the glaze materials to the green bricks for 3-6 seconds, wherein the spraying amount is 22-28 g → spraying colored glaze materials in the glaze materials to the green bricks for 3-7 seconds, and the spraying amount is 23-27 g → stopping; when spraying, the specific gravity of the glaze is 1.50 +/-0.03 g/cm3, and the flow speed is 12-15 m/s. And after repeated spraying, the penetration effect is better, and the layering sense is deeper. The technology enables the texture of the polished adobe to be more exquisite and vivid, and compared with natural stone, the polished adobe produced by the technology is more three-dimensional and has stronger sense of hierarchy, and simultaneously, the problems of low hardness, easy abrasion and radiation of the natural stone are also overcome, so that the concept of the brick is overturned, and the texture of strongly permeating the interior of the jade is made.
During glaze spraying, when a green brick is conveyed to the lower side of a glaze spraying device (the glaze spraying device is perfectly matched with a polished brick computer material distribution process in a 3D ink-jet printing mode), the glaze spraying device immediately starts to work, and the colorless glaze and the colored glaze are sprayed by a spray head which transversely reciprocates at normal temperature, namely transversely, leftwards and rightwards, preferably, the colorless glaze and the colored glaze are sprayed once respectively. The spraying range is 0.1-0.2 m away from the edge of the jade, for example, the width of the jade and the powder is 0.9-1.1 m, and the moving range of the spray head is 1-1.2 m. And after the glaze is sprayed, sending the glaze to the next link. Specifically, the colorless glaze can be sprayed first and then the colored glaze can be sprayed. Through the steps, the jade has uniform and clear texture and distinct gradation.
And (3) drying a finished product: and the green bricks are changed into finished products after being discharged from the glaze firing kiln, and then enter a drying kiln for drying treatment through a conveying line, wherein the temperature of the drying kiln is 700-900 ℃.
And (3) edging of a finished product: and after the finished product is taken out of the drying kiln, the finished product enters an edge grinding machine through a conveying line to be subjected to edge line grinding, so that burrs are removed, and the smoothness is improved.
Cutting a finished product: finishing the edge cutting processing by using an edge cutting machine according to the size; and for users with required size cutting, firstly adopting a bridge cutter to finish cutting of each size according to the size, and then finishing edge cutting processing through an edge cutter.
And (4) finished product storage and packaging: and (4) feeding the cut finished product into an automatic packaging machine for packaging and storing.
The design of the microcrystalline jade is mainly characterized in that the microcrystalline jade has obvious advantages and beneficial effects compared with the prior art, specifically, according to the technical scheme, the microcrystalline jade is formed by mixing powder, pressing into a blank, biscuiting, glaze spraying, glaze firing, drying and finally packaging a finished product, multiple times of high-temperature firing and drying are adopted in the microcrystalline jade forming process, the raw material condensation phenomenon is avoided in the processing process, the integral texture of the jade is uniform, the fineness and the flatness are high, the stability is high, and the product quality is high. Moreover, the jade curing process is completed through a plurality of processes, and the whole structure is delicate and precise. Meanwhile, the problems of low hardness, easy abrasion and radiation of the natural stone are solved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (10)
1. A microcrystalline jade processing technology is characterized in that: the method comprises the following steps:
s1: selecting raw materials: the raw materials are formed by mixing 64-74 percent of mineral raw materials and 26-36 percent of auxiliary chemical raw materials; the mineral raw materials comprise the following components in parts by weight: 30-48 parts of quartz sand, 8-14 parts of calcite, 7-12 parts of potassium feldspar, 3-7 parts of fluorite and 2-4 parts of dolomite; the auxiliary chemical raw materials comprise the following components in parts by weight: 1-7 parts of aluminum oxide, 2-8 parts of sodium carbonate, 1-8 parts of potassium carbonate, 1-3 parts of sodium nitrate and 3-6 parts of zinc oxide;
s2: powder preparation: mixing the mineral raw materials and the auxiliary chemical raw materials, pouring the mixture into a feeder, and conveying the raw materials into a hopper of a ball mill through a conveyer belt of the feeder; adding water and additives into a ball mill, continuously rotating the ball mill, and stirring the raw materials into a slurry state; conveying the slurry raw material to a spraying tower, wherein a hot blast stove and a drying cavity are arranged in the spraying tower, the slurry raw material is sprayed downwards in a mist form from the upper part of the spraying tower, the hot blast stove is communicated with the drying cavity, and the hot blast stove blows and heats the sprayed slurry raw material to change the slurry raw material into powder; the powder material enters a drying cavity, the temperature in the drying cavity is 110-150 ℃, and the powder material dried by the drying cavity enters a powder bin from a valve at the bottom of the drying cavity;
s3: pressing into a blank: uniformly conveying the powder in the powder bin into a roller press by using an automatic distributing machine, pressing the powder into green bricks by using the roller press, turning the green bricks by using a blank turning machine, polishing the surfaces of the green bricks by using a blank grinding machine, and conveying the polished green bricks to a biscuit firing kiln by using an automatic brick loading and unloading machine;
s4: and (3) green brick firing: conveying the green bricks to a biscuiting kiln for high-temperature firing, wherein the firing temperature of the biscuiting kiln is 1300-1500 ℃;
s5: glazing, glaze pouring and printing: the green bricks discharged from the kiln outlet of the biscuiting kiln are subjected to glazing and glaze pouring through a glazing line, and then enter a glaze fixing cabinet for glaze reinforcement; then, the glaze is moved forward along a glazing line to enter an ink-jet printing machine for ink-jet printing treatment; then, the glaze enters a glaze firing kiln through a glazing line to carry out high-temperature glaze curing, wherein the temperature of the glaze firing kiln is 1400-1600 ℃; the glaze for glazing and pouring comprises, by weight, 5-9 parts of sodium stone powder, 40-46 parts of feldspar, 10-15 parts of clay, 2-5 parts of talc, 6-9 parts of barium carbonate and 4-8 parts of calcite;
s6: and (3) drying a finished product: the green bricks are changed into finished products after being discharged from the glaze firing kiln, and the finished products are conveyed to a drying kiln through a conveying line to be dried, wherein the temperature of the drying kiln is 700-900 ℃;
s7: and (3) edging of a finished product: after the finished product is taken out of the drying kiln, the finished product enters an edge grinding machine through a conveying line to carry out edge line grinding on the finished product, remove burrs and improve the smoothness;
s8: cutting a finished product: finishing the edge cutting processing by using an edge cutting machine according to the size;
s9: and (4) finished product storage and packaging: and (4) feeding the cut finished product into an automatic packaging machine for packaging and storing.
2. The microcrystalline jade processing process of claim 1, wherein: the spraying steps of glazing and glaze pouring in the step S5 are as follows: spraying colorless glaze materials in the glaze materials to the green bricks for 3-6 seconds, wherein the spraying amount is 22-28 g → spraying colored glaze materials in the glaze materials to the green bricks for 3-7 seconds, and the spraying amount is 23-27 g → stopping; when spraying, the specific gravity of the glaze is 1.50 +/-0.03 g/cm3, and the flow speed is 12-15 m/s.
3. The microcrystalline jade processing process of claim 1, wherein: and in the step S5, the spraying range of the glazing and the glaze pouring is 0.1-0.2 m away from the edge of the green brick.
4. The microcrystalline jade processing process of claim 1, wherein: in the step S8, for the user with the required size cutting, the bridge cutter is used to complete the cutting of each size according to the size, and then the edge cutting process is completed by the edge cutter.
5. The microcrystalline jade processing process of claim 1, wherein: the rotating speed of the roller press in the step S3 is 2-4 minutes/revolution, and the pressure is 9-14 Pa.
6. The microcrystalline jade processing process of claim 1, wherein: in the step S4, the temperature of the roasting kiln is raised to 900-950 ℃ after 35-65 minutes, and is raised to 1300-1500 ℃ after 80-140 minutes.
7. The microcrystalline jade processing process of claim 1, wherein: and in the step S2, an infrared level gauge for controlling the feeding of the feeder is arranged on the feeder.
8. The microcrystalline jade processing process of claim 1, wherein: and in the step S2, the rotating speed of the ball mill is 180-220 r/min.
9. The microcrystalline jade processing process of claim 1, wherein: in the step S1, the granularity of the raw material is 60-90 meshes, and the fluctuation of the components is less than 0.4%.
10. The microcrystalline jade processing process of claim 1, wherein: and in the step S1, mixing the mineral raw materials and the auxiliary chemical raw materials by using a mixer, wherein the mixer is used for stirring for 15-20 minutes, and the mixing is finished.
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