CN103894275A - Milled glass fiber production process - Google Patents
Milled glass fiber production process Download PDFInfo
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- CN103894275A CN103894275A CN201210583037.2A CN201210583037A CN103894275A CN 103894275 A CN103894275 A CN 103894275A CN 201210583037 A CN201210583037 A CN 201210583037A CN 103894275 A CN103894275 A CN 103894275A
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Abstract
The invention discloses a milled glass fiber production process which is characterized by comprising the following steps: performing coarse crushing on waste glass fibers as raw materials to reach the size of 10-20mm, drying the obtained short glass fibers in a hot air circulating oven at the drying temperature of 250-320 DEG C and keeping for 3-6h, then raising the temperature to be 500-700 DEG C and keeping for 3-6min, removing an impregnating compound, naturally cooling to room temperature, performing fine crushing on the materials to reach the size of 30-110 microns, and sieving, packaging and dedusting. The milled glass fiber production process has the characteristics of low production cost, simple production process, good product quality and good energy-saving and environment-protection effect.
Description
(1) technical field
The present invention relates to milled glass fiber production technology.
(2) background technology
The whereabouts of the waste silk that at present, a lot of glass fibres are produced mainly contains three directions: 1) recycle, but utilization is little, utilizes effect undesirable; 2) export trade, is sold to other enterprise, and glass fiber waste silk is used as to a kind of raw material or auxiliary material utilization; 3) fall behind or the not high area of environmental requirement for some, directly carry out landfill.
Milled glass fiber is to make after glass fibre is ground, and is mainly used in the engineered packings of high-quality friction material, encapsulant, engineering plastics etc.Along with various countries are more and more higher to environmental consciousness requirement, the research that people recycle glass fiber waste silk is also more.Chinese patent CN 102500609A discloses glass fiber waste silk recycling production process, by after hard waste silk collection through coarse crushing+flushing, in small, broken bits+to rinse, deposit natural-dehydration, sieve, deironing, burning or an oven dry, cooling, grinding, sieve or automatic pneumatic is transported to and specifies warehouse operation to complete to recycle production.This production technology has that finished product is clean, quality better, can greatly improve the utilization rate of waste silk.But in the technique of above-mentioned production glass powder, there is a deficiency: after in small, broken bits, also need through grinding, the granularity after grinding is 50-300 μ m, and the average length of milled glass fiber is 30-110 μ m, does not reach the standard of production milled glass.
(3) summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of production technology of milled glass fiber is provided.
Technical scheme of the present invention is: milled glass fiber production technology, taking discarded glass fiber as main material, comprises the following technological process of production:
(1) coarse crushing: it is the short glass fiber of 10-20mm that the coarse crushing of discarded glass fiber is become to length, then rinses;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven, and described baking temperature is 250-320 DEG C, temperature retention time 3-6h; Again temperature is risen to 500-700 DEG C, temperature retention time 3-6min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the milled glass fiber that the short glass fiber one-tenth length in small, broken bits that step (2) is obtained is 30-110 μ m;
(4) packaging: the milled glass fiber that step (3) is obtained is packed;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter, and cleaned air is discharged through blower fan.
Compared with prior art, the present invention has the following advantages: adopt the waste glass fibre reclaiming as raw material, production cost is low, energy-conserving and environment-protective; Production technology is simple, good product quality.
(4) brief description of the drawings
Fig. 1 is milled glass fiber production technological process of the present invention.
In figure: electric cabinet 1, the first glass pulverizer 2, belt conveyor 3, heated-air circulation oven 4, the second belt conveyor 5, the second glass pulverizer 6, Blowing stopper 7, loading head 8, pulsed jet cloth filter 9, blower fan 10.
(5) detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1
As shown in Figure 1, the production technology of milled glass fiber, production line comprises electrical control cubicles 1, the first glass pulverizer 2, the second glass pulverizer 6, the lower end discharging opening of the first glass pulverizer 2 connects the first belt conveyor 3, the other end of the first belt conveyor 3 connects heated-air circulation oven 4, heated-air circulation oven 4 other ends are connected with the second belt conveyor 5, second belt conveyor 5 other ends are connected with the second glass pulverizer 6 charging apertures, the discharging opening of the second glass pulverizer 6 is connected with loading head 8 charging apertures by pipeline, loading head 8 bottoms are provided with Blowing stopper 7, the discharging opening at loading head 8 tops connects pulsed jet cloth filter 9, pulsed jet cloth filter 9 tops connect air-introduced machine 10 by airduct.Taking discarded glass fiber as main material, comprise the following technological process of production:
(1) coarse crushing: the short glass fiber that discarded glass fiber is first become after collecting to 18mm left and right by the first glass pulverizer 2 coarse crushings;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven 4, and described baking temperature is 250 DEG C, temperature retention time 3h; Temperature is risen to 500 DEG C again, temperature retention time 3min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the short fiber that step (2) is obtained is transported in the charging aperture of the second glass pulverizer 6 by the second belt conveyor 5, in the second glass pulverizer 6 one-tenth length in small, broken bits be, the milled glass fiber of 100 μ m;
(4) packaging: the milled glass fiber that step (3) is obtained, is discharged and packed through Blowing stopper 7 through blower fan 10 drawings to loading head 8;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter 9, and cleaned air is discharged through blower fan 10.
The product moisture content of gained is 0.15%, contains a small amount of size, homogeneous grain diameter, and outward appearance is white in color, and occurs a small amount of agglomeration.
Embodiment 2
The production technology of milled glass fiber, production line as described in Example 1, taking discarded glass fiber as main material, comprises the following technological process of production:
(1) coarse crushing: the short glass fiber that discarded glass fiber is first become after collecting to 20mm left and right by the first glass pulverizer 2 coarse crushings;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven 4, and described baking temperature is 300 DEG C, temperature retention time 5h; Temperature is risen to 650 DEG C again, temperature retention time 5min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the short fiber that step (2) is obtained is transported in the charging aperture of the second glass pulverizer 6 by the second belt conveyor 5, the milled glass fiber that one-tenth length in small, broken bits is 110 μ m in the second glass pulverizer 6;
(4) packaging: the milled glass fiber that step (3) is obtained, is discharged and packed through Blowing stopper 7 through blower fan 10 drawings to loading head 8;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter 9, and cleaned air is discharged through blower fan 10.
The product moisture content of gained is 0.08%, without size, and homogeneous grain diameter, outward appearance is white in color, good dispersion property.
Embodiment 3
The production technology of milled glass fiber, production line as described in Example 1, taking discarded glass fiber as main material, comprises the following technological process of production:
(1) coarse crushing: the short glass fiber that discarded glass fiber is first become after collecting to 12mm left and right by the first glass pulverizer 2 coarse crushings;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven 4, and described baking temperature is 320 DEG C, temperature retention time 6h; Temperature is risen to 700 DEG C again, temperature retention time 6min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the short fiber that step (2) is obtained is transported in the charging aperture of the second glass pulverizer 6 by the second belt conveyor 5, the milled glass fiber that one-tenth length in small, broken bits is 50 μ m in the second glass pulverizer 6;
(4) packaging: the milled glass fiber that step (3) is obtained, is discharged and packed through Blowing stopper 7 through blower fan 10 drawings to loading head 8;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter 9, and cleaned air is discharged through blower fan 10.
The product moisture content of gained is 0.06%, without size, and homogeneous grain diameter, outward appearance is canescence, good dispersion property.
Embodiment 4
The production technology of milled glass fiber, production line as described in Example 1, taking discarded glass fiber as main material, comprises the following technological process of production:
(1) coarse crushing: the short glass fiber that discarded glass fiber is first become after collecting to 14mm left and right by the first glass pulverizer 2 coarse crushings;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven 4, and described baking temperature is 300 DEG C, temperature retention time 5h; Temperature is risen to 520 DEG C again, temperature retention time 6min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the short fiber that step (2) is obtained is transported in the charging aperture of the second glass pulverizer 6 by the second belt conveyor 5, the milled glass fiber that one-tenth length in small, broken bits is 70 μ m in the second glass pulverizer 6;
(4) packaging: the milled glass fiber that step (3) is obtained, is discharged and packed through Blowing stopper 7 through blower fan 10 drawings to loading head 8;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter 9, and cleaned air is discharged through blower fan 10.
The product moisture content of gained is 0.09%, contains a small amount of size, homogeneous grain diameter, and outward appearance is white in color, good dispersion property.
Embodiment 5
The production technology of milled glass fiber, production line as described in Example 1, taking discarded glass fiber as main material, comprises the following technological process of production:
(1) coarse crushing: the short glass fiber that discarded glass fiber is first become after collecting to 10mm left and right by the first glass pulverizer 2 coarse crushings;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven 4, and described baking temperature is 280 DEG C, temperature retention time 5h; Temperature is risen to 580 DEG C again, temperature retention time 5min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the short fiber that step (2) is obtained is transported in the charging aperture of the second glass pulverizer 6 by the second belt conveyor 5, the milled glass fiber that one-tenth length in small, broken bits is 30 μ m in the second glass pulverizer 6;
(4) packaging: the milled glass fiber that step (3) is obtained, is discharged and packed through Blowing stopper 7 through blower fan 10 drawings to loading head 8;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter 9, and cleaned air is discharged through blower fan 10.
The product moisture content of gained is 0.08%, without size, and homogeneous grain diameter, outward appearance is white in color, and has a small amount of reunion.
Embodiment 6
The production technology of milled glass fiber, production line as described in Example 1, taking discarded glass fiber as main material, comprises the following technological process of production:
(1) coarse crushing: the short glass fiber that discarded glass fiber is first become after collecting to 11mm left and right by the first glass pulverizer 2 coarse crushings;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven 4, and described baking temperature is 300 DEG C, temperature retention time 5h; Temperature is risen to 650 DEG C again, temperature retention time 5min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the short fiber that step (2) is obtained is transported in the charging aperture of the second glass pulverizer 6 by the second belt conveyor 5, the milled glass fiber that one-tenth length in small, broken bits is 40 μ m in the second glass pulverizer 6;
(4) packaging: the milled glass fiber that step (3) is obtained, is discharged and packed through Blowing stopper 7 through blower fan 10 drawings to loading head 8;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter 9, and cleaned air is discharged through blower fan 10.
The product moisture content of gained is 0.07%, without size, and homogeneous grain diameter, outward appearance is canescence, and dispersive property is good.
Embodiment 7
The production technology of milled glass fiber, production line as described in Example 1, taking discarded glass fiber as main material, comprises the following technological process of production:
(1) coarse crushing: the short glass fiber that discarded glass fiber is first become after collecting to 16mm left and right by the first glass pulverizer 2 coarse crushings;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven 4, and described baking temperature is 310 DEG C, temperature retention time 5h; Temperature is risen to 550 DEG C again, temperature retention time 5min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the short fiber that step (2) is obtained is transported in the charging aperture of the second glass pulverizer 6 by the second belt conveyor 5, the milled glass fiber that one-tenth length in small, broken bits is 90 μ m in the second glass pulverizer 6;
(4) packaging: the milled glass fiber that step (3) is obtained, is discharged and packed through Blowing stopper 7 through blower fan 10 drawings to loading head 8;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter 9, and cleaned air is discharged through blower fan 10.
The product moisture content of gained is 0.09%, has a small amount of size, homogeneous grain diameter, and outward appearance is white in color, and dispersive property is good.
Embodiment 8
The production technology of milled glass fiber, production line as described in Example 1, taking discarded glass fiber as main material, comprises the following technological process of production:
(1) coarse crushing: the short glass fiber that discarded glass fiber is first become after collecting to 15mm left and right by the first glass pulverizer 2 coarse crushings;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven 4, and described baking temperature is 315 DEG C, temperature retention time 5h; Temperature is risen to 610 DEG C again, temperature retention time 5.5min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the short fiber that step (2) is obtained is transported in the charging aperture of the second glass pulverizer 6 by the second belt conveyor 5, the milled glass fiber that one-tenth length in small, broken bits is 80 μ m in the second glass pulverizer 6;
(4) packaging: the milled glass fiber that step (3) is obtained, is discharged and packed through Blowing stopper 7 through blower fan 10 drawings to loading head 8;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter 9, and cleaned air is discharged through blower fan 10.
The product moisture content of gained is 0.09%, has a small amount of size, homogeneous grain diameter, and outward appearance is white in color, and dispersive property is good.
Embodiment 9
The production technology of milled glass fiber, production line as described in Example 1, taking discarded glass fiber as main material, comprises the following technological process of production:
(1) coarse crushing: the short glass fiber that discarded glass fiber is first become after collecting to 17mm left and right by the first glass pulverizer 2 coarse crushings;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven 4, and described baking temperature is 325 DEG C, temperature retention time 4.5h; Temperature is risen to 590 DEG C again, temperature retention time 5min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the short fiber that step (2) is obtained is transported in the charging aperture of the second glass pulverizer 6 by the second belt conveyor 5, the milled glass fiber that one-tenth length in small, broken bits is 95 μ m in the second glass pulverizer 6;
(4) packaging: the milled glass fiber that step (3) is obtained, is discharged and packed through Blowing stopper 7 through blower fan 10 drawings to loading head 8;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter 9, and cleaned air is discharged through blower fan 10.
The product moisture content of gained is 0.08%, has a small amount of size, homogeneous grain diameter, and outward appearance is white in color, and dispersive property is good.
Claims (1)
1. a production technology for milled glass fiber, taking discarded glass fiber as main material, is characterized in that comprising the following technological process of production:
(1) coarse crushing: it is the short glass fiber of 10-20mm that the coarse crushing of discarded glass fiber is become to length, then rinses;
(2) dry, removal size: it is dry that the short glass fiber that step (1) is obtained is placed in heated-air circulation oven, and described baking temperature is 250-320 DEG C, temperature retention time 3-6h; Again temperature is risen to 500-700 DEG C, temperature retention time 3-6min, removes after size, naturally cools to room temperature;
(3) in small, broken bits: the milled glass fiber that the short glass fiber one-tenth length in small, broken bits that step (2) is obtained is 30-110 μ m;
(4) packaging: the milled glass fiber that step (3) is obtained is packed;
(5) dedusting: minute quantity glass dust is filtered through pulsed jet cloth filter, and cleaned air is discharged through blower fan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210583037.2A CN103894275A (en) | 2012-12-26 | 2012-12-26 | Milled glass fiber production process |
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| CN201210583037.2A CN103894275A (en) | 2012-12-26 | 2012-12-26 | Milled glass fiber production process |
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| CN103894275A true CN103894275A (en) | 2014-07-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282254A (en) * | 2017-06-02 | 2017-10-24 | 吉林重通成飞新材料股份公司 | Wind electricity blade material fragmentation separates production line |
| CN115925318A (en) * | 2022-11-23 | 2023-04-07 | 泰山玻璃纤维有限公司 | Fireproof insulation board added with ground glass and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1931759A (en) * | 2006-10-13 | 2007-03-21 | 林军 | Process of preparing short glass fiber with waste tank furnace filament |
| US7775466B2 (en) * | 2004-12-16 | 2010-08-17 | Empire Resource Recovery Llc | Production of glass powder from waste glass, and products made using the same, especially concrete |
| CN201596551U (en) * | 2009-12-10 | 2010-10-06 | 巨石集团有限公司 | Crusher special for glass fiber |
| CN102489492A (en) * | 2011-12-09 | 2012-06-13 | 重庆国际复合材料有限公司 | Recovery method for glass fiber waste silks |
| CN102500609A (en) * | 2011-10-28 | 2012-06-20 | 巨石集团有限公司 | Glass fiber waste silk recycling production process |
-
2012
- 2012-12-26 CN CN201210583037.2A patent/CN103894275A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7775466B2 (en) * | 2004-12-16 | 2010-08-17 | Empire Resource Recovery Llc | Production of glass powder from waste glass, and products made using the same, especially concrete |
| CN1931759A (en) * | 2006-10-13 | 2007-03-21 | 林军 | Process of preparing short glass fiber with waste tank furnace filament |
| CN201596551U (en) * | 2009-12-10 | 2010-10-06 | 巨石集团有限公司 | Crusher special for glass fiber |
| CN102500609A (en) * | 2011-10-28 | 2012-06-20 | 巨石集团有限公司 | Glass fiber waste silk recycling production process |
| CN102489492A (en) * | 2011-12-09 | 2012-06-13 | 重庆国际复合材料有限公司 | Recovery method for glass fiber waste silks |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282254A (en) * | 2017-06-02 | 2017-10-24 | 吉林重通成飞新材料股份公司 | Wind electricity blade material fragmentation separates production line |
| CN115925318A (en) * | 2022-11-23 | 2023-04-07 | 泰山玻璃纤维有限公司 | Fireproof insulation board added with ground glass and preparation method thereof |
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Application publication date: 20140702 |