CN103819088A - Gray glass and preparation method thereof as well as equipment for preparing gray glass - Google Patents
Gray glass and preparation method thereof as well as equipment for preparing gray glass Download PDFInfo
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- CN103819088A CN103819088A CN201410009963.8A CN201410009963A CN103819088A CN 103819088 A CN103819088 A CN 103819088A CN 201410009963 A CN201410009963 A CN 201410009963A CN 103819088 A CN103819088 A CN 103819088A
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Abstract
The invention provides gray glass. The gray glass comprises base glass and a coloring agent. On the account of 100 parts by weight of the gray glass, the coloring agent comprises the following components in parts by weight: 0.11-0.70 part of Fe2O3, 0-0.1 part of Co3O4 and 0-0.1 part of Se. The invention also provides a preparation method for the gray glass and equipment for preparing the gray glass. The gray glass disclosed by the invention is uniform in color and enriches the varieties of products on the market.
Description
Technical field
The invention belongs to float glass technical field, be specifically related to smoked glass and preparation method thereof and prepare the equipment of smoked glass.
Background technology
Float glass obtains polishing moulding and gains the name because glass metal swims in tin liquor surface, is that the glass metal of melting is filled with shielding gas (N from continuously flowing in melting furnaces
2 and H
2 ) molten tin bath in, swim on metallic tin liquid level, through shakeouing, polishing forms the glass ribbon of parallel, the smooth and polishing of even thickness, two surfaces, thereby obtain glassy product, be the one of sheet glass (tabular silicate glass).
The production process of float glass is generally: prepare admixtion by the qualified various raw materials of processing according to formula, admixtion is through fusing, clarification obtains glass metal, and be cooled to 1150～1100 ℃ of left and right, by the runner that is connected with molten tin bath and go deep into the chute in molten tin bath, continuously flow in molten tin bath and swim on the tin liquor surface that relative density is large, at self gravitation, surface tension, under the acting in conjunction of edge machine and transition roller table pulling force, glass metal spreads out on tin liquor face, shakeout, draw thin (long-pending thick), be shaped to the smooth glass ribbon of upper and lower surface, outside molten tin bath afterbody under the traction of transition roller table and the driving roller in annealing kiln that is attached thereto, drawn transition roller table, be conveyed into annealing furnace, through annealing, cutting, obtain float glass product.
Smoked glass is the one of float glass, the tinting material that its need of production is special, and smoked glass is produced to the color and luster of stable control, smoked glass with tinting material and the impact of quality scale is very big, thereby production technology is also had to high requirement.At present, although those skilled in the art study smoked glass, seldom there is report.
Summary of the invention
What the present invention will solve is that existing smoked glass coloring effect is poor, kiln cooling end upper and lower temperature difference is large, can cause and drench son, brush line and the even technical problem of irregular colour, thereby smoked glass of a kind of color even and preparation method thereof is provided and prepare the equipment of smoked glass.
The invention provides a kind of smoked glass, this smoked glass comprises parent glass and tinting material; Take described smoked glass as 100 weight parts, the composition of described tinting material and weight part are:
Fe
2o
30.11-0.70 weight part
Co
3o
40-0.1 weight part
Se 0-0.1 weight part.
The present invention adopts dye technology, by adding metal ion tinting material (Se-Fe-Co mixed colorant or various proportioning combined composition) to obtain smoked glass in glass.Glass colour is even, has enriched the color of glass.
The present invention also provides the preparation method of this smoked glass, and the method comprises joining after tinting material is mixed after stirring in mix to be put in melting furnaces, founds moulding at reducing atmosphere, and then anneal, cut becomes smoked glass; The described process of founding comprises glass melting stage, glass metal clarification stage, glass metal homogenizing stage and glass metal cooling stages.
The smoked glass tinctorial quality that uses method of the present invention to prepare is good, color even, and penetrating do not have a fault.
The present invention also provides a kind of equipment of preparing smoked glass, comprise the dog-house, melting end, card neck, cooling end and the stream material mouthful that connect successively, described cooling end at least one side is provided with cooling end heat gun system, and described cooling end heat gun system comprises around the air channel of cooling end setting, be connected to thermal chimney, the heat gun that is connected to described thermal chimney afterbody, the centrifugal induced draught fan of described air channel ingress and be communicated with the metallic bellows of described centrifugal induced draught fan and described thermal chimney.
The equipment of preparing smoked glass provided by the invention, can effectively improve glass metal quality.The system heat gun that this equipment adopts is simple in structure, with low cost, can effectively utilize the Energy Consumption In A Typical of native system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cooling end heat gun system of the equipment that provides of one embodiment of the invention;
Fig. 2 is the structural representation of heat gun in Fig. 1.
In figure: cooling end-200, heat gun system-100, air channel-1, thermal chimney-2, heat gun-3, gun barrel-31, compressed air inlet-32, gas inlet-33, rifle mouth-34, centrifugal induced draught fan-4, metallic bellows-5, the first metallic hose-6, tensimeter-7, the first needle type valve-8, the second metallic hose-9, strainer-10, the second needle type valve-11, under meter-12, the 3rd needle type valve-13, netted flame protective guard-14, bubbling rifle-40, gun barrel-41, entrance of cooling water-42, cooling water outlet-43, compressed air inlet-44, rifle mouth-45.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of smoked glass, this smoked glass comprises parent glass and tinting material;
Take described smoked glass as 100 weight parts, the composition of described tinting material and weight part are:
Fe
2o
30.11-0.70 weight part
Co
3o
40-0.1 weight part
Se 0-0.1 weight part.
Preferably, the composition of described tinting material and weight part are:
Fe
2o
30.20-0.60 weight part
Co
3o
40.05 weight part
Se 0.05 weight part.
Described parent glass has no particular limits, and can be composition and the content of various parent glass conventional in this area.In the present invention, take the gross weight of described smoked glass as benchmark, the composition of described parent glass and weight part are:
SiO
272.2-73.0 weight part
Al
2o
30.1-1.0 weight part
Na
2o 13.3-14.5 weight part
K
2o 0.02-1.2 weight part
CaO 7.0-9.0 weight part
MgO 3.0-5.0 weight part
The thickness of described smoked glass has no particular limits, as long as meet the various needs of this area.In the present invention, the thickness of described smoked glass is 3-10mm.
When white light is transmitted to this time on glass, if absorb the light of some wavelength, and see through the light of other wavelength, present the color identical with permeation parts.According to metachemical viewpoint, why absorb light of material, is because the electronics in atom is subject to exciting of luminous energy, from the lower track of the energy higher track of energy that jumps, that is jumps to due to excited state from ground state.Coloured glass is to add metal ion in white glass composition, and general visible ray excites it, produces selectivity and absorbs, thereby make glass coloring in visible region.The present inventor adopts ion coloring technology, by adding metal ion tinting material (Se-Fe-Co mixed colorant) to obtain smoked glass in glass.Smoked glass of the present invention has enriched the range of product in market.
The present invention also provides the preparation method of this smoked glass, and the method comprises joining after tinting material is mixed after stirring in feed proportioning to be put in melting furnaces, founds moulding at reducing atmosphere, and then anneal, cut becomes smoked glass; The described process of founding comprises glass melting stage, glass metal clarification stage, glass metal homogenizing stage and glass metal cooling stages.
In order to solve smoked glass differences in absorbed heat, fluidised bed is thin, upper and lower temperature difference is large, the problem of the bad easy generation brush line phenomenon of glass metal homogenizing, preferably, the temperature in described glass melting stage is 1350-1530 ℃, the temperature in glass metal clarification stage is 1530-1550 ℃, the temperature in glass metal homogenizing stage is 1390-1430 ℃, and the temperature of glass metal cooling stages is 1200-1430 ℃.
Preferably, described mold temperature is 600-1000 ℃, described annealing temperature 200-600 ℃.
In addition, as shown in Figures 1 and 2, one embodiment of the invention also provides a kind of equipment that smoked glass is used of preparing, comprise the dog-house connecting successively, melting end, card neck, cooling end 200 and stream material mouthful, described cooling end 200 one sides (the south or north) or two sides (the south and north) are provided with cooling end heat gun system 100, described cooling end heat gun system 100 comprises the air channel 1 arranging around cooling end, be connected to the thermal chimney 2 of described air channel 1 ingress, be connected to the heat gun 3 of described thermal chimney afterbody, centrifugal induced draught fan 4 and be communicated with the metallic bellows 5 of described centrifugal induced draught fan 4 and described thermal chimney 3.Dog-house, melting end, card neck and stream material mouthful adopt the corresponding construction of traditional float glass smelting kiln, therefore do not indicate in the drawings.Preferably, insert with in air channel 1 import of laying fireproof bricks in the anterior air port of thermal chimney 2, and 1 outlet of refractory brick air channel is arranged on glass melter cooling end front end, and it is symmetrical to be north and south.
According to equipment practical situation and safety factors, the north and south one or both sides of apparatus cools portion increase above-mentioned cooling end heat gun system 100, effectively energy efficient and raising glass metal quality.
In the present embodiment, described heat gun 3 comprises gun barrel 31, compressed air inlet 32, gas inlet 33 and rifle mouth 34,34 points, described compressed air inlet 32 and rifle mouth are located at the two ends of described gun barrel 31, and described gas inlet 33 is arranged on gun barrel 31 belows and the position near compressed air inlet 32.Above-mentioned heat gun is simple in structure, with low cost, can adopt stainless material to make, and introduces temperature determine heat gun compressed air inlet caliber, Imported gas caliber and heat gun shape and size according to the hot blast of processing requirement.
In the present embodiment, described compressed air inlet 32 is connected with the first metallic hose 6, and described the first metallic hose 6 is connected with tensimeter 7, and described tensimeter 7 is connected with the first needle type valve 8.Pressurized air enters heat gun system 100 by this first needle type valve 8.
In the present embodiment, described gas inlet is connected with the second metallic hose 9, and soft 9 pipes of described the second metal connect strainer 10, and described strainer 10 is connected with the second needle type valve 11, described the second needle type valve 11 is connected with under meter 12, and described under meter 12 is connected with the 3rd needle type valve 13.Preferably, described strainer 10 is y-type filter, and described under meter 12 is LZB-25 type under meter.Sweet natural gas enters heat gun system 100 by the 3rd needle type valve 13.
Before heat gun, gas pipeline is equipped with y-type filter, glass rotameter (LZB-25 type under meter) and needle type valve (the second needle type valve and the 3rd needle type valve) in order to regulate gas discharge and pressure; Before heat gun, pneumatic line is equipped with tensimeter and needle type valve in order to regulate compressed air require and pressure.
In the present embodiment, described thermal chimney 2 afterbodys are provided with cecum rifle hole, and described heat gun 3 is arranged in the cecum rifle hole of described thermal chimney 2, and the inner side in described cecum rifle hole is provided with netted flame protective guard 14.Flame protective guard is penetrated Flame of Natural Gas in order to avoid hot blast directly to blow, thus protection Flame of Natural Gas rigidity.
Cecum rifle hole place is furnished with heat gun installs and regulating mechanism, in order to regulate heat gun to do upper and lower 2-8 ° rotation centered by cecum rifle hole, thereby realizes heat gun flame spraying angular adjustment.
In the present embodiment, described thermal chimney 2 afterbody belows are provided with hot blast intake, and the hot blast intake of described thermal chimney 2 is introduced float glass production line annealing kiln hot blast.Preferably, thermal chimney 2 entirety all adopt stainless steel manufacture, guarantee the clean level that hot blast is introduced.The hot blast intake of thermal chimney is introduced float glass production line annealing kiln hot blast, takes full advantage of used heat, has saved the energy, further saves production cost.
In the present embodiment, centrifugal induced draught fan is arranged on hot blast introduction pipeline, and hot blast is introduced pipeline and all adopted 304 material stainless steels to make, and guarantees the clean level that hot blast is introduced.Centrifugal induced draught fan is introduced pressure and flow by variable frequency control rotating speed in order to regulation and control hot blast.
The working process of heat gun system 100 is as follows:
Float glass production line annealing kiln hot blast is pumped through metallic bellows and is incorporated in thermal chimney by centrifugal induced draught fan; around space eddy flow between thermal chimney inwall and netted flame protective guard outer wall; enter thermal flame safeguard inside through netted flame protective guard mesh; after the full and uniform heating of Flame of Natural Gas of ejecting from thermal chimney afterbody cecum rifle hole heat gun mouth, flow to the anterior air port of thermal chimney.Flow into refractory brick air channel through the hot blast of Flame of Natural Gas heating from thermal chimney outlet and blast float glass smelting kiln cooling end.
The equipment that the present embodiment provides, blast hot blast very even, glass metal improves greatly at the thermal uniformity of cooling end, while having solved well production body-tinted glass, cause smoked glass differences in absorbed heat because glass iron content is high, fluidised bed is thin, upper and lower temperature difference is large, glass metal homogenizing is bad, easily produce brush line, drench sub glass quality problem, preferably, the described glass melting stage, at melting furnaces cooling end, air channel introducing annealing furnace hot air regulates the temperature of cooling end, introduces 430 ℃～470 ℃ of hot blast temperatures.Thereby regulate the cooling end temperature difference, kept furnace pressure stable, made glass ware forming quality good, the finished glass of color even is provided.
In the present invention, described mold temperature is 600-1000 ℃, described annealing temperature 200-600 ℃.
Applying specific embodiment is below further detailed smoked glass of the present invention and preparation method thereof.
embodiment 1
(1) take each component by following weight part:
SiO
272.2 weight parts
Al
2o
30.3 weight part
Na
2o 14.5 weight parts
K
2o 1.2 weight parts
CaO 8.0 weight parts
MgO 3.0 weight parts
Fe
2o
30.60 weight part
Co
3o
40.1 weight part
Se 0.1 weight part
(2) said components is sent into the production of carrying out float glass in float glass furnace, concrete technology parameter is as follows: temperature of fusion is 1400 ℃, clarifying temp is 1530 ℃, homogenization temperature is 1400 ℃, cooling temperature is 1300 ℃, mold temperature is 1000 ℃, 565 ℃ of annealing temperatures, the sheet glass A1 that product thickness is 5mm.
Take each component by following weight part:
SiO
272.5 weight parts
Al
2o
31 weight part
Na
2o 14 weight parts
K
2o 0.02 weight part
MgO 4.76 weight parts
Fe
2o
30.7 weight part
Co
3o
40.01 weight part
Se 0.01 weight part
(2) said components is sent into the production of carrying out float glass in float glass furnace, concrete technology parameter is as follows: temperature of fusion is 1350 ℃, clarifying temp is 1540 ℃, homogenization temperature is 1390 ℃, cooling temperature is 1200 ℃, mold temperature is 980 ℃, 560 ℃ of annealing temperatures, the sheet glass A2 that product thickness is 6mm.
Take each component by following weight part:
SiO
273 weight parts
Al
2o
30.1 weight part
Na
2o 13.32 weight parts
K
2o 1 weight part
CaO 7.37 weight parts
MgO 5 weight parts
Fe
2o
30.11 weight part
Co
3o
40.05 weight part
Se 0.05 weight part
(2) said components is sent into the production of carrying out float glass in float glass furnace, concrete technology parameter is as follows: temperature of fusion is 1530 ℃, clarifying temp is 1550 ℃, homogenization temperature is 1430 ℃, cooling temperature is 1430 ℃, mold temperature is 970 ℃, and annealing temperature is 570 ℃, the sheet glass A3 that product thickness is 8mm.
testing method and data
1, transmittance is according to standard GB/T2680, and the transmittance of test A1-A3, the results are shown in Table 1.
2, ultraviolet ray transmissivity
According to standard GB/T2680, the ultraviolet ray transmissivity of test A1-A3, the results are shown in Table 1.
3, color index
According to standard C IE1976L*a*b*, the chrominance space value of test A1-A3, the results are shown in Table 1.
Table 1
As can be seen from Table 1, the color even of smoked glass of the present invention, ultraviolet ray transmissivity is low.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a smoked glass, is characterized in that, this smoked glass comprises parent glass and tinting material; Take described smoked glass as 100 weight parts, the composition of described tinting material and weight part are:
Fe
2o
30.11-0.70 weight part
Co
3o
40-0.1 weight part
Se 0-0.1 weight part.
2. smoked glass according to claim 1, is characterized in that, take described smoked glass as 100 weight parts, the composition of described parent glass and weight part are:
SiO
272.2-73.0 weight part
Al
2o
30.1-1.0 weight part
Na
2o 13.3-14.5 weight part
K
2o 0.02-1.2 weight part
CaO 7.0-9.0 weight part
MgO 3.0-5.0 weight part.
3. smoked glass according to claim 1, is characterized in that, the thickness of described smoked glass is 3-10mm.
4. the preparation method of a smoked glass claimed in claim 1, it is characterized in that, the method comprises joining after tinting material is mixed after stirring in parent glass mix to be put in melting furnaces, founds moulding at reducing atmosphere, and then anneal, cut becomes smoked glass; The described process of founding comprises glass melting stage, glass metal clarification stage, glass metal homogenizing stage and glass metal cooling stages.
5. the preparation method of smoked glass according to claim 4, it is characterized in that, the temperature in described glass melting stage is 1350-1530 ℃, the temperature in glass metal clarification stage is 1530-1550 ℃, the temperature in glass metal homogenizing stage is 1390-1430 ℃, and the temperature of glass metal cooling stages is 1200-1430 ℃.
6. the preparation method of smoked glass according to claim 4, is characterized in that, described mold temperature is 600-1000 ℃, described annealing temperature 200-600 ℃.
7. prepare the equipment of smoked glass for one kind, comprise the dog-house, melting end, card neck, cooling end and the stream material mouthful that connect successively, it is characterized in that, described cooling end at least one side is provided with cooling end heat gun system, and described cooling end heat gun system comprises around the air channel of cooling end setting, be connected to thermal chimney, the heat gun that is connected to described thermal chimney afterbody, the centrifugal induced draught fan of described air channel ingress and be communicated with the metallic bellows of described centrifugal induced draught fan and described thermal chimney.
8. equipment according to claim 7, it is characterized in that, described heat gun comprises gun barrel, compressed air inlet, gas inlet and rifle mouth, described compressed air inlet and rifle mouth divide the two ends that are located at described gun barrel, and described gas inlet is arranged on gun barrel below and the position near compressed air inlet; Described compressed air inlet is connected with the first metallic hose, and described the first connection by metal hose has tensimeter, and described tensimeter is connected with the first needle type valve; Described gas inlet is connected with the second metallic hose, described the second connection by metal hose strainer, and described strainer is connected with the second needle type valve, and described the second needle type valve is connected with under meter, and described under meter is connected with the 3rd needle type valve; Described thermal chimney afterbody is provided with cecum rifle hole, and described heat gun is arranged in the cecum rifle hole of described thermal chimney; The inner side in described cecum rifle hole is provided with netted flame protective guard.
9. equipment according to claim 8, is characterized in that, described thermal chimney afterbody below is provided with hot blast intake, and the hot blast intake of described thermal chimney is introduced float glass production line annealing kiln hot blast, introduces 430 ℃-470 ℃ of hot blast temperatures.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410009963.8A CN103819088B (en) | 2014-01-09 | 2014-01-09 | A kind of smoked glass and preparation method thereof and prepare the equipment of smoked glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410009963.8A CN103819088B (en) | 2014-01-09 | 2014-01-09 | A kind of smoked glass and preparation method thereof and prepare the equipment of smoked glass |
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|---|---|
| CN103819088A true CN103819088A (en) | 2014-05-28 |
| CN103819088B CN103819088B (en) | 2016-08-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587598A (en) * | 2016-12-31 | 2017-04-26 | 长兴旗滨玻璃有限公司 | Coloring production method of blue grey glass |
| CN109534675A (en) * | 2018-12-30 | 2019-03-29 | 江苏华东耀皮玻璃有限公司 | A kind of smoked glass of high transparency |
| CN109761478A (en) * | 2019-02-28 | 2019-05-17 | 信义环保特种玻璃（江门）有限公司 | The colour-changing method of float glass |
| CN115043592A (en) * | 2022-08-17 | 2022-09-13 | 淄博金石桥复合材料有限公司 | High-color-fastness colored glass fiber and preparation method thereof |
| CN116969674A (en) * | 2023-09-22 | 2023-10-31 | 中国耀华玻璃集团有限公司 | Float color glass and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587598A (en) * | 2016-12-31 | 2017-04-26 | 长兴旗滨玻璃有限公司 | Coloring production method of blue grey glass |
| CN106587598B (en) * | 2016-12-31 | 2019-07-12 | 长兴旗滨玻璃有限公司 | A kind of coloring production method of bluish grey glass |
| CN109534675A (en) * | 2018-12-30 | 2019-03-29 | 江苏华东耀皮玻璃有限公司 | A kind of smoked glass of high transparency |
| CN109761478A (en) * | 2019-02-28 | 2019-05-17 | 信义环保特种玻璃（江门）有限公司 | The colour-changing method of float glass |
| CN109761478B (en) * | 2019-02-28 | 2022-01-14 | 信义环保特种玻璃（江门）有限公司 | Method for changing color of float glass |
| CN115043592A (en) * | 2022-08-17 | 2022-09-13 | 淄博金石桥复合材料有限公司 | High-color-fastness colored glass fiber and preparation method thereof |
| CN116969674A (en) * | 2023-09-22 | 2023-10-31 | 中国耀华玻璃集团有限公司 | Float color glass and preparation method and application thereof |
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| CN103819088B (en) | 2016-08-17 |
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