CN102863150A - Production technology for producing vitreous silica fiber short chopping yarns through cutting silks - Google Patents
Production technology for producing vitreous silica fiber short chopping yarns through cutting silks Download PDFInfo
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- CN102863150A CN102863150A CN2012103602827A CN201210360282A CN102863150A CN 102863150 A CN102863150 A CN 102863150A CN 2012103602827 A CN2012103602827 A CN 2012103602827A CN 201210360282 A CN201210360282 A CN 201210360282A CN 102863150 A CN102863150 A CN 102863150A
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Abstract
The invention discloses a production technology for producing vitreous silica fiber short chopped yarns through cutting silks. The production technology comprises the technological steps as follows: 1. arranging cutting silks; 2. carrying out acid leaching; 3. washing via water; 4. thermally forming; 5. processing rear surface; 6. chopping and forming; and 7. cutting into short yarns. The vitreous silica fiber short chopping yarns produced by the production technology disclosed by the invention have various physico-chemical performance indexes meeting those of the vitreous silica fiber short chopping yarns obtained through the vitreous silica fiber short chopping yarn production technology; and moreover, the vitreous silica fiber short chopped yarns have good dispersing performance, and are stable in quality; and the production cost is reduced by more than 100%, therefore, the requirements of civilian market on low cost can be met.
Description
Technical field
The present invention relates to a kind of production technique of producing the chopped yarn of resurrection glass fibre of operating on that produces in the glass fibre production process of utilizing, is that a kind of solid waste of glass fibre production process is utilized technology, belongs to extraordinary field of new.
Background technology
The silk of operating on is the solid waste that the glass fibre production process produces, although through being reprocessed into glass fiber powder or chopped yarn, but owing to operating on problem such as silk caking etc., cause abrasive dust difficulty and chopped difficulty larger, need the higher cost of cost, and since relatively poor with operating on powder and chopped yarn dispersiveness that silk produces, thereby the added value of converted products is lower, and therefore solving a problem of operating on is a thorny problem of glass fibre manufacturer.
The chopped yarn of resurrection glass fibre all adopts the production technique the same with high silica glass fiber yarns at present, produces first the high silica fiber yarn, then passes through the chopped yarn of chopped one-tenth.This technique is because high silica glass fiber yarns production must have enough yarn twists, this causes chopped yarn that the twist is arranged, and impact is dispersed, and production cost is very high, be difficult to satisfy the civil areas such as automobile to the low-cost requirement of this series products, affect the development of this type of produce market.
Summary of the invention
The present invention is directed to the chopped yarn bad dispersibility of resurrection glass fibre, price is high, and operate on the silk solid waste utilize problem, developed with all kinds of glass fibre and operated on the production technique that silk produces the chopped yarn of resurrection glass fibre, the chopped yarn property indices of resurrection glass fibre of employing explained hereafter of the present invention reaches the performance index of the chopped yarn of producing with high silica glass fiber yarns, owing to there not being the twist, chopped yarn favorable dispersity is met the need of market better.
The present invention is achieved through the following technical solutions: a kind of usefulness is operated on the production technique of the chopped yarn of resurrection glass fibre that silk produces, and comprises following processing step:
(1) glass fibre is operated on silk and put in order, and operate on a single head with 5～8 and band together, the silk of operating on of tying up hangs over and operates on the acid leach creel.
(2) will be placed with operate on the silk creel be placed in the acid leach groove, the hydrochloric acid of concentration 1.5～2.5N is joined in the acid leach groove, the acid amount is benchmark with the submergence creel, after finishing, the acid filling process heats to acid solution with steam, the acid treatment temperature is controlled between 85～90 ℃, in 3～8 hours treatment times, acid proof pump carries out circulation stirring in the time of processing, and the acid solution of finishing dealing with rear after processing is drained.
(3) acid is drained then adds 60～70 ℃ of hot water of temperature with the form that sprays in the acid leach groove, until water logging there is not creel, carry out circulation stirring with acid proof pump, cleans 30～45 minutes, then water is drained.
(4) form with spray adds normal-temperature water in the acid leach groove, until water logging there is not creel, carries out circulation stirring with acid proof pump, cleans 40～60 minutes, then water is drained.
(5) operate on a surface with the measurement of PH test paper and contain acid condition, when pH value less than 5 the time, repeat (4) step, when pH value greater than 5 the time, washing is finished.
Different according to purposes, the chopped yarn of resurrection glass fibre is divided into the yarn of two types of thermal treatment and non-thermal treatments, and whether both techniques only differ passes through thermal treatment process.
(6) for through the chopped yarn of the resurrection glass fibre of thermal treatment process:
Being placed on and operating on the acid leach shelf through the silk of operating on after acid leach and the washing, shelf is placed in the push pedal of continous way heat setting type stove and carries out high-temperature heat treatment, 680～740 ℃ of thermal treatment temps, 1～2 hour treatment time; After heat treatment operate on that integral body is immersed in the glue after the silk cooling, soaked 3～7 minutes, then operating on that silk is hung up until its No drip type, thread put into baking oven operating at last, under 100～160 ℃ temperature, dried by the fire 2～4 hours;
(7) for the chopped yarn of the resurrection glass fibre that need not thermal treatment process:
Putting into baking oven through the silk of operating on after acid leach and the washing, under 100～120 ℃ of temperature, dried 2～4 hours, take out cooling, integral body is immersed in the glue after cooling, soaks 3～7 minutes, then operating on the silk hang-up until its No drip type, at last operate on the silk put into baking oven, under 100～160 ℃ temperature, dried by the fire 2～4 hours.
(8) oven dry to operate on silk reason neat, carry out choppedly at cutter by customer requirement, make chopped yarn.
(9) product specification and physicochemical property represent to see Fig. 2.
Beneficial effect of the present invention:
Through the chopped yarn of the resurrection glass fibre of explained hereafter of the present invention, every physical and chemical index reaches the chopped yarn product of resurrection glass fibre that adopts the high silica glass fiber yarns production technique to obtain, and has a good dispersiveness, constant product quality, production cost reduces more than 100%, satisfies the requirement of commercial market low price.
Description of drawings
Fig. 1 is technical process of the present invention.
Fig. 2 is product specification of the present invention and physicochemical property.
Embodiment:
Specifically describe the present invention below in conjunction with drawings and Examples.
Embodiment one: the production instance of the chopped yarn of ECT-100 resurrection glass fibre:
(1) alkali free glass fibre is operated on silk and put in order, and operate on a single head with 5～8 and band together, the silk of operating on of tying up hangs over and operates on the acid leach creel.
(2) will be placed with operate on the silk creel be placed in the acid leach groove, the hydrochloric acid of concentration 2.2N is joined in the acid leach groove, the acid amount is benchmark with the submergence creel, and the startup acid proof pump carried out circulation stirring after the acid filling process was finished, and opened the steam valve on the acid leach groove, heat to acid solution with steam, begin to clock after being heated to 85 ℃, keep 85～90 ℃ of acid treatment temperature, pump circulation stirring, acid leach is after 6 hours, the steam off valve, stop to stir, then the acid solution after processing is drained.
(3) the drained hot water that then adds 65 ℃ of temperature with the form of spray in the acid leach groove of acid until water logging there is not creel, is opened acid proof pump and is carried out circulation stirring, cleans 40 minutes, then water is drained.
(4) water is drained then adds normal-temperature water with the form that sprays in the acid leach groove, until water logging there is not creel, opens acid proof pump and carry out circulation stirring, cleans 50 minutes, then water is drained.
(5) operate on a surface acidity with the measurement of PH test paper, record pH value=6, washing is finished.
(6) putting into baking oven through the silk of operating on after acid leach and the washing, oven temperature is risen to 120 ℃ of temperature, 120 ℃ of oven dry 3 hours, take out cooling, integral body is immersed in the A1 type glue after the cooling, soaks 4 minutes, hang up, until its No drip type, again put into baking oven operating on silk at last, baking is 3 hours under 130 ℃ temperature.
(7) silk of operating on of oven dry is managed neatly, be cut into the chopped yarn of resurrection glass fibre of length 100 ± 20mm at cutter.
(8) product specification and physicochemical property
| Product specification | ECT－100 |
| Visual appearance | White, even |
| SiO 2Content wt% | 91.3 |
| Chopped | 100±20 |
| Water ratio % | 7.1 |
| Heat resistance ℃ | 1000 |
| Hot vector % | 10.2 |
Embodiment two: the production instance of the chopped yarn of BCT-6L resurrection glass fibre:
(1) the ternary resurrection glass fibre is operated on silk and put in order, and operate on a single head with 5～8 and band together, the silk of operating on of tying up hangs over and operates on the creel of acid leach special use.
(2) will be placed with operate on the silk creel be placed in the acid leach groove, the hydrochloric acid of concentration 2.4N is joined in the acid leach groove, the acid amount is as the criterion with the submergence creel, and the unlatching acid proof pump carried out circulation stirring after the acid filling process was finished, and opened the steam valve on the acid leach groove, heat to acid solution with steam, begin to clock after being heated to 85 ℃, keep 85～90 ℃ of acid treatment temperature, pump circulation stirring, acid leach is after 8 hours, the steam off valve, stop to stir, then the acid solution after processing is drained.
(3) acid is drained then adds temperature 60 C hot water with the form that sprays in the acid leach groove, until water logging there is not creel, opens acid proof pump and carry out circulation stirring, cleans 40 minutes, then water is drained.
(4) water is drained then adds normal-temperature water with the form that sprays in the acid leach groove, until water logging there is not creel, opens acid proof pump and carry out circulation stirring, cleans 60 minutes, then water is drained.
(5) with the measurement of PH test paper operate on the silk a surperficial pH value, pH value=6.5, washing is finished.
(6) being placed on and operating on the acid leach special racks through the silk of operating on after acid leach and the washing, shelf is placed in the push pedal of continous way heat setting type stove and carries out high-temperature heat treatment, 720 ℃ of thermal treatment temps, 2 hours treatment times.
(7) after heat treatment operate on that integral body is immersed in the A type glue after the silk cooling, soaks after 3 minutes and hangs up, until its No drip type, then put into baking oven operating on silk, under 140 ℃ temperature, dried by the fire 3 hours.
(8) silk of operating on of oven dry is managed neatly, be cut into the chopped yarn of resurrection glass fibre of 6 ± 3mm at cutter.
(9) product specification and physicochemical property
| Product specification | BCT－6L |
| Visual appearance | White, even |
| SiO 2Content wt% | 96.8 |
| Chopped length m m | 6±3 |
| Water ratio % | 1.6 |
| Heat resistance ℃ | ＞1000 |
| Hot vector % | 2.5 |
Claims (2)
1. one kind with operating on the production technique of the chopped yarn of resurrection glass fibre that silk produces, and comprises following processing step:
(1) glass fibre is operated on silk and put in order, and operate on a single head with 5～8 and band together, the silk of operating on of tying up hangs over and operates on the acid leach creel;
(2) will be placed with operate on the silk creel be placed in the acid leach groove, the hydrochloric acid of concentration 1.5～2.5N is joined in the acid leach groove, the acid amount is benchmark with the submergence creel, after finishing, the acid filling process heats to acid solution with steam, the acid treatment temperature is controlled between 85～90 ℃, in 3～8 hours treatment times, acid proof pump carries out circulation stirring in the time of processing, and the acid solution of finishing dealing with rear after processing is drained;
(3) acid is drained then adds 60～70 ℃ of hot water of temperature with the form that sprays in the acid leach groove, until water logging there is not creel, carry out circulation stirring with acid proof pump, cleans 30～45 minutes, then water is drained;
(4) form with spray adds normal-temperature water in the acid leach groove, until water logging there is not creel, carries out circulation stirring with acid proof pump, cleans 40～60 minutes, then water is drained;
(5) operate on a surface with the measurement of PH test paper and contain acid condition, when pH value less than 5 the time, repeat (4) step, when pH value greater than 5 the time, washing is finished;
(6) being placed on and operating on the acid leach shelf through the silk of operating on after acid leach and the washing, shelf is placed in the push pedal of continous way heat setting type stove and carries out high-temperature heat treatment, 680～740 ℃ of thermal treatment temps, 1～2 hour treatment time; After heat treatment operate on that integral body is immersed in the glue after the silk cooling, soaked 3～7 minutes, then operating on that silk is hung up until its No drip type, thread put into baking oven operating at last, under 100～160 ℃ temperature, dried by the fire 2～4 hours;
(7) oven dry to operate on silk reason neat, carry out choppedly at cutter by customer requirement, make chopped yarn.
2. one kind with operating on the production technique of the chopped yarn of resurrection glass fibre that silk produces, and comprises following processing step:
(1) glass fibre is operated on silk and put in order, and operate on a single head with 5～8 and band together, the silk of operating on of tying up hangs over and operates on the acid leach creel;
(2) will be placed with operate on the silk creel be placed in the acid leach groove, the hydrochloric acid of concentration 1.5～2.5N is joined in the acid leach groove, the acid amount is benchmark with the submergence creel, after finishing, the acid filling process heats to acid solution with steam, the acid treatment temperature is controlled between 85～90 ℃, in 3～8 hours treatment times, acid proof pump carries out circulation stirring in the time of processing, and the acid solution of finishing dealing with rear after processing is drained;
(3) acid is drained then adds 60～70 ℃ of hot water of temperature with the form that sprays in the acid leach groove, until water logging there is not creel, carry out circulation stirring with acid proof pump, cleans 30～45 minutes, then water is drained;
(4) form with spray adds normal-temperature water in the acid leach groove, until water logging there is not creel, carries out circulation stirring with acid proof pump, cleans 40～60 minutes, then water is drained;
(5) operate on a surface with the measurement of PH test paper and contain acid condition, when pH value less than 5 the time, repeat (4) step, when pH value greater than 5 the time, washing is finished;
(6) putting into baking oven through the silk of operating on after acid leach and the washing, under 100～120 ℃ of temperature, dried 2～4 hours, take out cooling, integral body is immersed in the glue after cooling, soaks 3～7 minutes, then operating on the silk hang-up until its No drip type, at last operate on the silk put into baking oven, under 100～160 ℃ temperature, dried by the fire 2～4 hours;
(7) oven dry to operate on silk reason neat, carry out choppedly at cutter by customer requirement, make chopped yarn.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975680A (en) * | 2018-09-18 | 2018-12-11 | 重庆国际复合材料股份有限公司 | A kind of glass fibre operates on the recovery method of silk |
| CN109371597A (en) * | 2018-11-12 | 2019-02-22 | 中材科技股份有限公司 | A kind of preparation method of acid leach processing method and high silica glass fiber yarns rope |
| CN113564761A (en) * | 2021-06-15 | 2021-10-29 | 陕西华特新材料股份有限公司 | Pot-type treatment method for high silica fiber fixed-length yarn |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6199778B1 (en) * | 1996-11-06 | 2001-03-13 | Ppg Industries Ohio, Inc. | Systems and processes for recycling glass fiber waste material into glass fiber product |
| CN1931759A (en) * | 2006-10-13 | 2007-03-21 | 林军 | Process of preparing short glass fiber with waste tank furnace filament |
| CN101654835A (en) * | 2009-07-10 | 2010-02-24 | 江苏恒州特种玻璃纤维材料有限公司 | Thick high silica glass fiber cloth and manufacturing process thereof |
| CN101760858A (en) * | 2009-07-10 | 2010-06-30 | 江苏恒州特种玻璃纤维材料有限公司 | Glass fiber strip with high silicon and oxygen content and manufacture process thereof |
-
2012
- 2012-09-25 CN CN2012103602827A patent/CN102863150A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6199778B1 (en) * | 1996-11-06 | 2001-03-13 | Ppg Industries Ohio, Inc. | Systems and processes for recycling glass fiber waste material into glass fiber product |
| CN1931759A (en) * | 2006-10-13 | 2007-03-21 | 林军 | Process of preparing short glass fiber with waste tank furnace filament |
| CN101654835A (en) * | 2009-07-10 | 2010-02-24 | 江苏恒州特种玻璃纤维材料有限公司 | Thick high silica glass fiber cloth and manufacturing process thereof |
| CN101760858A (en) * | 2009-07-10 | 2010-06-30 | 江苏恒州特种玻璃纤维材料有限公司 | Glass fiber strip with high silicon and oxygen content and manufacture process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 戴尚芹: "探讨高硅氧玻璃纤维制备过程中的质量控制", 《玻璃纤维》, no. 3, 30 June 2009 (2009-06-30), pages 15 - 1 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975680A (en) * | 2018-09-18 | 2018-12-11 | 重庆国际复合材料股份有限公司 | A kind of glass fibre operates on the recovery method of silk |
| CN109371597A (en) * | 2018-11-12 | 2019-02-22 | 中材科技股份有限公司 | A kind of preparation method of acid leach processing method and high silica glass fiber yarns rope |
| CN113564761A (en) * | 2021-06-15 | 2021-10-29 | 陕西华特新材料股份有限公司 | Pot-type treatment method for high silica fiber fixed-length yarn |
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Application publication date: 20130109 |