CN104276760B - Dosing method and system used in PDP (plasma display panel) glass substrate production process - Google Patents
Dosing method and system used in PDP (plasma display panel) glass substrate production process Download PDFInfo
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- CN104276760B CN104276760B CN201310446283.8A CN201310446283A CN104276760B CN 104276760 B CN104276760 B CN 104276760B CN 201310446283 A CN201310446283 A CN 201310446283A CN 104276760 B CN104276760 B CN 104276760B
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- grog
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- raw material
- distribution
- batch
- Prior art date
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- 239000011521 glass Substances 0.000 title claims abstract description 55
- 239000000758 substrate Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 40
- 239000002994 raw material Substances 0.000 claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 13
- 238000009826 distribution Methods 0.000 claims description 22
- 238000005516 engineering process Methods 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000006063 cullet Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 5
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052593 corundum Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- XZWYZXLIPXDOLR-UHFFFAOYSA-N metformin Chemical compound CN(C)C(=N)NC(N)=N XZWYZXLIPXDOLR-UHFFFAOYSA-N 0.000 claims 1
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000005329 float glass Substances 0.000 description 4
- 230000032696 parturition Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 241000283070 Equus zebra Species 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 238000006124 Pilkington process Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B1/00—Preparing the batches
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B3/00—Charging the melting furnaces
- C03B3/005—Charging the melting furnaces using screw feeders
-
- C—CHEMISTRY; METALLURGY
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Glass Compositions (AREA)
Abstract
The invention relates to dosing method and system used in a PDP (plasma display panel) glass substrate production process. The method comprises the following steps: controlling the particle size of a clinker within 0.1-2mm without adding the clinker into a mixer, and mixing a raw material by virtue of the mixer; putting the uniformly mixed raw material with the clinker in the particle size range into a raw material and clinker mixing cabin; then, properly feeding the mixed batch by virtue of a spiral feeder to a belt; and conveying the mixed batch to a glass kiln furnace by virtue of the belt to accomplish the dosing process. According to the method and system provided by the invention, the quality of the mixed batch is greatly improved, the melting rate of the mixed batch is effectively improved and glass stripes caused by adding the clinker are reduced.
Description
Technical field
The invention belongs to during a kind of plasma panel glass substrate production technical field, specifically making glass substrate
The distribution and system of batch.
Background technology
The full name of PDP is Plasma Display Panel, and Chinese is plasma display, with CRT and LCD Display Techniques
Compare, plasma display has the screen bigger, color depth of image and the more high many advantages of fidelity, is that instead of CRT and LCD
Good product.
Distribution and system in traditional PDP process of glass is all to continue to use common float glass preparation technology
Middle distribution and system, the distribution in common float glass preparation technology be from grog particle size diameter compared with
Greatly, and grog is the raw material surface that Jing grogs warehouse is spread to by vibrating feeder on feeding belt, no polish at all
Link.But PDP glass substrates require, common float glass automotive grade stricter than common float glass to surface waviness
It is required that ripple naked eyes are invisible, and PDP glass substrates ripple requirements are less than 0.15 micron.Obviously, in order to adapt to PDP glass
The prescription of substrate must be improved to common float line distribution and system.
The content of the invention
The present invention devises a kind of PDP in order that distribution and system can adapt to the prescription of PDP glass substrates
Distribution and system in glass substrate production technology, greatly improves the quality of batch, effectively raises cooperation
The burn-off rate of material, reduces the glass cord caused because of grog addition, method reliability.
The technical solution used in the present invention is：A kind of distribution in PDP glass substrates production technology, this method is
By feed proportioning system so that PDP glass substrates raw material to be mixed with the batch of cullet grog, and deliver to the process of glass furnace
Middle realization, it is critical only that：Described feed proportioning system structure includes that raw material mixer and mixer discharge gate connect and built-in
There are the raw grog mixing bunker of blender and the screw(-type) feeder of raw grog mixing bunker discharge end connection and be arranged at screw feeder
The belt arranged and glass furnace between below machine discharging opening, is included based on the distribution step of above-mentioned feed proportioning system：
A, from particle diameter for 0.1-2mm cullet as grog, it is standby；
B, glass substrate raw material is inserted in mixer premixed, it is ripe to life using the raw material after premix as raw material conveyor
In material mixing bunker；
C, with grog 20-30%, raw material 70-80% ratio by grog input raw grog mixing bunker, in raw grog mixing
In storehouse, raw, grog is mixed by blender, mixed life, ripe batch are delivered to into screw(-type) feeder afterwards；
D, batch is mixed again by screw(-type) feeder, and mixed batch is delivered on belt；
E, belt are delivered to batch in glass furnace to complete blending process.
Described glass substrate raw material includes following component：
SiO253-60%,
Al2O36-12%,
Na2O 0.01-5%,
K2O 0.01-21%,
RO 8-25%,
Fe2O30.01-0.15%,
Wherein, RO represents at least one in MgO, CaO, SrO, BaO.
The invention has the beneficial effects as follows：1st, the invention provides complete set suitable for plasma process of glass
Distribution and system, the feed proportioning system being different from traditional float process technique, using the inventive method and system, effectively
Reduce and cause the probability of glass cord because grog addition is improper, effectively improve productivity effect, reduce production cost,
Can provide cost performance higher product for market；2nd, it is well known that the more little easier alkali absorbed in batch of grog particle diameter
Property composition, cause the thawing difficulty of batch to greatly increase, the present invention by grog size controlling 0.1 between 2mm, and pass through
The percentage composition of rational each component and each component from raw material is overcome, and above-mentioned quantity particle diameter is less to cause cooperation
Material melts the technical barrier that difficulty increases, and the control of this particle size range can be effectively reduced batch thawing in glass furnace
Difficulty；3rd, raw grog is laid on belt with screw(-type) feeder, can so efficiently reduces the raw, lamination of grog, make
Obtain the mixing of raw, grog more uniform；4th, raw grog mixing bunker and screw(-type) feeder have cooperatively formed secondary mixed processes so that
The mixing of raw, grog is more uniform, and the quality of batch is greatly improved, and improves the burn-off rate of batch.
Description of the drawings
Fig. 1 is the system structure diagram of the present invention.
In accompanying drawing, 1 is mixer, and 2 is belt, and 3 is screw(-type) feeder, and 4 is to give birth to grog mixing bunker.
Specific embodiment
A kind of distribution in PDP glass substrates production technology, this method are with by PDP glass by feed proportioning system
Raw substrate mixed with the batch of cullet grog, and realize during delivering to glass furnace, it is important that：Described
Feed proportioning system structure includes raw material mixer 1, and the connection of 1 discharge gate of mixer and is built-in with the raw grog mixing bunker of blender
4th, and the 4 discharge end connection of raw grog mixing bunker screw(-type) feeder 3, and be arranged at below 3 discharging opening of screw(-type) feeder and glass
The belt 2 arranged between kiln, is included based on the distribution step of above-mentioned feed proportioning system：
A, from particle diameter for 0.1-2mm cullet as grog, it is standby；
B, glass substrate raw material is inserted premixed in mixer 1, using the raw material after premix as raw material conveyor to life
In grog mixing bunker 4；
C, with grog 20-30%, raw material 70-80% ratio by grog input raw grog mixing bunker 4, in raw grog mixing
In storehouse 4, raw, grog is mixed by blender, mixed life, ripe batch are delivered to into screw(-type) feeder 3 afterwards；
D, batch is mixed again by screw(-type) feeder 3, and mixed batch is delivered on belt 2；
E, belt are delivered to batch in glass furnace to complete blending process.
Described glass substrate raw material includes following component：
SiO253-60%,
Al2O36-12%,
Na2O 0.01-5%,
K2O 0.01-21%,
RO 8-25%,
Fe2O30.01-0.15%,
Wherein, RO represents at least one in MgO, CaO, SrO, BaO.
Described Na2O and K2The quality summation of O accounts for the 6-25% of total amount.
Described SiO2Grain diameter be less than 150 mesh.
Described Al2O3Grain diameter be less than 150 mesh.
The present invention relates in PDP Improving Glass Manufacturing Processes distribution and system improvement, which focuses on to cullet i.e.
Grog carries out polish, the grog from particle diameter between 0.1-2mm, and the selection of the grog particle diameter is each with glass substrate raw material
The apolegamy of individual component is complemented each other, be conducive to improve compound refining quality, make grog and raw material input glass melter it
Before be sufficiently mixed so that the dispensing melting rate for obtaining increased, and vitreous humour is easier homogenizing, under the striped caused because of grog
Drop more than 80%.
In the adding procedure of grog, it is impossible to introduce its impurity being harmful to glass, the impurity iron of introducing must not exceed with
Lower standard：The percentage composition of the impurity iron that grog is introduced in the raw grog mixing bunker 4 of input is less than 0.01%.
The quality of the impurity iron that grog is introduced in the raw grog mixing bunker 4 of input is less than 0.0005 gram.
Based on the feed proportioning system in a kind of PDP glass substrates production technology of above-mentioned distribution, in the system structure
Including the mixer 1 for glass substrate raw material is mixed, and arrange between 1 exhaust end of mixer and glass furnace
Feeding belt 2, the screw(-type) feeder 3 set up above belt 2, and is connected with the discharging opening of mixer 1 in system structure
Raw grog mixing bunker 4, raw grog mixing bunker 4 are internally provided with blender, and the discharge gate of raw grog mixing bunker 4 is by transfer pipeline
It is connected with the feeding mouth of screw(-type) feeder 3.
In the specific implementation, in 0.1-2mm, the granule less than 0.1mm is in processing transportation for cullet size controlling
Glass is mixed with more impurity, and raw meal particulates more than 60 mesh is easily swept along in being added on raw material aborning, reduces fusing speed
Rate, the glass particle higher than 2mm are extremely difficult to the effect of application claims, and reason is effective can not to obtain when melting furnaces melt
To uniform vitreous humour, in the cooling of vitreous humour later stage and whipping process, the uneven part in local can be drawn as uneven bar
Stricture of vagina, can display in glass surface or inside in the uneven vitreous humour of forming process, observe under zebra instrument, it is seen that substantially
Optical skew.
The grog chosen and the raw material that mix through mixer are sent in raw grog mixing bunker 4, giving birth to, grog added
Cheng Zhong, is fed intake with the ratio of grog 20-30%, raw material 70-80%, in the mixing bunker, is entered life, grog using blender
Row stirring.Above-mentioned life, the mixing of grog are not carried out in mixer 1, and reason is glass particle higher than 1mm in mixer
Lining causes to damage, and substantially reduces the service life of mixer 1, may increase operation if using other modes, and cost can be significantly
Lifted, and the setting of raw grog mixing bunker 4 not only substantially reduces cost, and mixing quality can be lifted, and in mixer 1
While to raw grog 4 discharge of mixing bunker, it is also possible to the continuous input grog into raw grog mixing bunker 4, in raw grog mixing bunker 4
Addition blender can make batch uniform within a short period of time.
Batch after mixing is delivered on belt 2 by screw(-type) feeder 3, as in grog and raw material, raw material is each
Individual component density is different, it is easy to cause to give birth to grog and the layering of each raw material, the effect of mix homogeneously is also significantly reduced to after layering
Really, screw(-type) feeder 3 mainly prevents from giving birth to grog layering to 2 feed of belt.Finally, by belt 2 by the cooperation of mix homogeneously
Material is delivered in glass furnace.
The embodiment of raw, grog adding proportion and its effect in raw, grog mixing bunker is given below, referring to table 1.
Table 1
The specific embodiment of glass substrate composition of raw materials is given below, referring to table 2.
Table 2
Claims (6)
1. the distribution in a kind of PDP glass substrates production technology, this method are with by PDP glass bases by feed proportioning system
Board raw material mixed with the batch of cullet grog, and realize during delivering to glass furnace, it is characterised in that：Described
Feed proportioning system structure includes raw material mixer（1）, and mixer（1）Discharge gate connects and be built-in with the raw grog of blender to be mixed
Close storehouse（4）, and raw grog mixing bunker（4）The screw(-type) feeder of discharge end connection（3）, and be arranged at screw(-type) feeder（3）Discharging
The belt arranged and glass furnace between below mouthful（2）, included based on the distribution step of above-mentioned feed proportioning system：
A, from particle diameter for 0.1-2mm cullet as grog, it is standby；
B, glass substrate raw material is inserted into mixer（1）In premixed, using the raw material after premix as raw material conveyor to life it is ripe
Material mixing bunker（4）In；
C, with grog 25-28%, raw material 72-75% ratio by grog input raw grog mixing bunker（4）It is interior, in raw grog mixing bunker
（4）In, raw, grog is mixed by blender, mixed life, ripe batch are delivered to into screw(-type) feeder afterwards（3）；
D, by screw(-type) feeder（3）Batch is mixed again, and mixed batch is delivered to into belt（2）On；
E, belt are delivered to batch in glass furnace to complete blending process；
Described glass substrate raw material includes following component：
SiO253-60%,
Al2O36-12%,
Na2O 0.01-5%,
K2O 0.01-21%,
RO 8-25%,
Fe2O30.01-0.15%,
Wherein, RO represents at least one in MgO, CaO, SrO, BaO.
2. the distribution in a kind of PDP glass substrates production technology according to claim 1, it is characterised in that：Institute
The Na for stating2O and K2The quality summation of O accounts for the 6-25% of total amount.
3. the distribution in a kind of PDP glass substrates production technology according to claim 1, it is characterised in that：Institute
The SiO for stating2Grain diameter be less than 150 mesh.
4. the distribution in a kind of PDP glass substrates production technology according to claim 1, it is characterised in that：Institute
The Al for stating2O3Grain diameter be less than 150 mesh.
5. the distribution in a kind of PDP glass substrates production technology according to claim 1, it is characterised in that：It is ripe
Material is in the raw grog mixing bunker of input（4）When the percentage composition of impurity iron that introduces be less than 0.01%.
6. the distribution in a kind of PDP glass substrates production technology according to claim 1, it is characterised in that：It is ripe
Material is in the raw grog mixing bunker of input（4）When the quality of impurity iron that introduces be less than 0.0005 gram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446283.8A CN104276760B (en) | 2013-09-27 | 2013-09-27 | Dosing method and system used in PDP (plasma display panel) glass substrate production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446283.8A CN104276760B (en) | 2013-09-27 | 2013-09-27 | Dosing method and system used in PDP (plasma display panel) glass substrate production process |
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| Publication Number | Publication Date |
|---|---|
| CN104276760A CN104276760A (en) | 2015-01-14 |
| CN104276760B true CN104276760B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310446283.8A Active CN104276760B (en) | 2013-09-27 | 2013-09-27 | Dosing method and system used in PDP (plasma display panel) glass substrate production process |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108514847B (en) * | 2018-04-10 | 2020-04-21 | 湖北三峡新型建材股份有限公司 | Method for improving raw material mixing efficiency based on optimization of glass material mixer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4410347A (en) * | 1981-03-31 | 1983-10-18 | Ppg Industries, Inc. | Glass melting method using cullet as particulate collection medium |
| CN1850682A (en) * | 2006-05-31 | 2006-10-25 | 东北大学 | Method for preparing porose glass composite material using iron ore tailings |
| CN101456671A (en) * | 2007-12-14 | 2009-06-17 | 山东省药用玻璃股份有限公司 | Method for preparing medicinal brown bottle by using cullet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202953917U (en) * | 2012-11-20 | 2013-05-29 | 山东景耀玻璃集团有限公司 | Light weight glass bottle automatic batching device |
-
2013
- 2013-09-27 CN CN201310446283.8A patent/CN104276760B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4410347A (en) * | 1981-03-31 | 1983-10-18 | Ppg Industries, Inc. | Glass melting method using cullet as particulate collection medium |
| CN1850682A (en) * | 2006-05-31 | 2006-10-25 | 东北大学 | Method for preparing porose glass composite material using iron ore tailings |
| CN101456671A (en) * | 2007-12-14 | 2009-06-17 | 山东省药用玻璃股份有限公司 | Method for preparing medicinal brown bottle by using cullet |
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