CN105734721A - Carbon fiber making technology - Google Patents
Carbon fiber making technology Download PDFInfo
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- CN105734721A CN105734721A CN201410744363.6A CN201410744363A CN105734721A CN 105734721 A CN105734721 A CN 105734721A CN 201410744363 A CN201410744363 A CN 201410744363A CN 105734721 A CN105734721 A CN 105734721A
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Abstract
The invention discloses a carbon fiber making technology. The technology comprises the following steps: withdrawing filaments, collecting the filaments, adding the obtained material to a horizontal drying furnace, adding the dried material to a pre-oxidation furnace 1, adding pre-oxidized material to a pre-oxidation furnace 2, adding the obtained material to a low temperature carbonization furnace, adding the low temperature carbonized material to a high temperature carbonization furnace, carrying out primary surface treatment, carrying out secondary surface treatment, washing the obtained material with water, adding the washed material to the horizontal drying furnace, pasting the material, adding the pasted material to a vertical drying furnace, and collecting obtained filaments. The technology has the advantages of reasonable process, low making cost, reasonability and coordination of matching of parameters, and effective improvement of the quality and the production efficiency of products.
Description
Technical field
The present invention relates to a kind of carbon fiber processing technology.
Background technology
Existing carbon fiber processing technology exists that procedure arrangement is unreasonable, operation is various, and technological parameter selects unreasonable, and the collocation of each technological parameter is unreasonable and operator's skill requirement is higher so that production cost is higher, product quality is on the low side, yield rate is not high.
Summary of the invention
Because the drawbacks described above of prior art, the technical problem to be solved be to provide a kind of operation rationally, the carbon fiber processing technology of low cost of manufacture.
For achieving the above object, the invention provides
A kind of carbon fiber processing technology, is characterized in that: comprise the steps:
Move back silk → line concentration → horizontal kiln → pre-oxidation furnace 1 → pre-oxidation furnace, 2 → pre-oxidation furnace → low-temperature carbonization furnace → high temperature carbonization furnace → surface treatment 1 → surface treatment 2 → washing → horizontal kiln → starching → vertical drying stove → receipts silk；
1), pre-oxidation process
In preoxidation process, temperature is between 200 DEG C～300 DEG C, and when about 240 DEG C, oxygen content rises rapidly, and chemical reaction occurs.In this process, in burner hearth, temperature keeps uniformly, and has circulation air to take away impurity and the reaction heat such as the little molecule that produces in reaction, it is ensured that pre-oxidation can continuously perform.The preoxidation process response time needs 80～100min.
2), low-temperature carbonization furnace temperature between 300 DEG C～800 DEG C, be divided into several temperature range, progressively oxidization fiber carried out carburizing reagent when completely cutting off air, form primary random graphits structure.High temperature cabonization temperature, at 1000 DEG C～1600 DEG C, is typically in about 1400 DEG C.
3), surface treatment
Use anode electrode oxidizing process, carry out surface treatment by the method for pulse electrifying so that carbon fiber surface etching occurs and produces oxygen-containing functional group.In surface treatment, the voltage of logical an about 10V, forms the electric current of about 25A.Ammonium hydrogen carbonate neutral electrolyte is adopted to carry out surface treatment.
4), washing
Carbon filament is carried out by water-washing process infusion process, is washed by the impurity such as the electrolyte on carbon filament surface, prepares for later sizing process.In washing, water temperature is set in about 50 DEG C, afterwards the dry run of about 100 DEG C in addition.
5), after starching, through super-dry (about 180 DEG C), receive silk and can obtain the carbon fiber of finished product.
The invention has the beneficial effects as follows: operation of the present invention is reasonable, low cost of manufacture, each parameter collocation reasonable coordination, it is possible to be effectively improved product quality and production efficiency.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
A kind of carbon fiber processing technology, is characterized in that: comprise the steps:
Move back silk → line concentration → horizontal kiln → pre-oxidation furnace 1 → pre-oxidation furnace, 2 → pre-oxidation furnace → low-temperature carbonization furnace → high temperature carbonization furnace → surface treatment 1 → surface treatment 2 → washing → horizontal kiln → starching → vertical drying stove → receipts silk；
1), pre-oxidation process
In preoxidation process, temperature is between 200 DEG C～300 DEG C, and when about 240 DEG C, oxygen content rises rapidly, and chemical reaction occurs.In this process, in burner hearth, temperature keeps uniformly, and has circulation air to take away impurity and the reaction heat such as the little molecule that produces in reaction, it is ensured that pre-oxidation can continuously perform.The preoxidation process response time needs 80～100min.
2), low-temperature carbonization furnace temperature between 300 DEG C～800 DEG C, be divided into several temperature range, progressively oxidization fiber carried out carburizing reagent when completely cutting off air, form primary random graphits structure.High temperature cabonization temperature, at 1000 DEG C～1600 DEG C, is typically in about 1400 DEG C.
3), surface treatment
Use anode electrode oxidizing process, carry out surface treatment by the method for pulse electrifying so that carbon fiber surface etching occurs and produces oxygen-containing functional group.In surface treatment, the voltage of logical an about 10V, forms the electric current of about 25A.Ammonium hydrogen carbonate neutral electrolyte is adopted to carry out surface treatment.
4), washing
Carbon filament is carried out by water-washing process infusion process, is washed by the impurity such as the electrolyte on carbon filament surface, prepares for later sizing process.In washing, water temperature is set in about 50 DEG C, afterwards the dry run of about 100 DEG C in addition.
5), after starching, through super-dry (about 180 DEG C), receive silk and can obtain the carbon fiber of finished product.
Claims (1)
1. a carbon fiber processing technology, is characterized in that: comprise the steps:
Move back silk → line concentration → horizontal kiln → pre-oxidation furnace 1 → pre-oxidation furnace, 2 → pre-oxidation furnace → low-temperature carbonization furnace → high temperature carbonization furnace → surface treatment 1 → surface treatment 2 → washing → horizontal kiln → starching → vertical drying stove → receipts silk；
1), pre-oxidation process
In preoxidation process, temperature is between 200 DEG C～300 DEG C, and when about 240 DEG C, oxygen content rises rapidly, and chemical reaction occurs；In this process, in burner hearth, temperature keeps uniformly, and has circulation air to take away impurity and the reaction heat such as the little molecule that produces in reaction, it is ensured that pre-oxidation can continuously perform；The preoxidation process response time needs 80～100min；
2), low-temperature carbonization furnace temperature between 300 DEG C～800 DEG C, be divided into several temperature range, progressively oxidization fiber carried out carburizing reagent when completely cutting off air, form primary random graphits structure；High temperature cabonization temperature, at 1000 DEG C～1600 DEG C, is typically in about 1400 DEG C；
3), surface treatment
Use anode electrode oxidizing process, carry out surface treatment by the method for pulse electrifying so that carbon fiber surface etching occurs and produces oxygen-containing functional group；In surface treatment, the voltage of logical an about 10V, forms the electric current of about 25A；Ammonium hydrogen carbonate neutral electrolyte is adopted to carry out surface treatment；
4), washing
Carbon filament is carried out by water-washing process infusion process, is washed by the impurity such as the electrolyte on carbon filament surface, prepares for later sizing process；In washing, water temperature is set in about 50 DEG C, afterwards the dry run of about 100 DEG C in addition；
5), after starching, through super-dry (about 180 DEG C), receive silk and can obtain the carbon fiber of finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410744363.6A CN105734721A (en) | 2014-12-09 | 2014-12-09 | Carbon fiber making technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410744363.6A CN105734721A (en) | 2014-12-09 | 2014-12-09 | Carbon fiber making technology |
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| CN105734721A true CN105734721A (en) | 2016-07-06 |
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| CN201410744363.6A Pending CN105734721A (en) | 2014-12-09 | 2014-12-09 | Carbon fiber making technology |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567158A (en) * | 2016-11-11 | 2017-04-19 | 宁波艾盛环保科技有限公司 | Preparation method of bioactive carbon fiber |
| CN108004621A (en) * | 2016-10-28 | 2018-05-08 | 中国石油化工股份有限公司 | A kind of polyamide resin resin-based composite carbon fiber and preparation method thereof |
| CN110396732A (en) * | 2019-08-23 | 2019-11-01 | 大同新成新材料股份有限公司 | A kind of processing technology of modified carbon fiber |
| CN110820335A (en) * | 2019-10-17 | 2020-02-21 | 福清市海威钓具有限公司 | Fishing line made of carbon fibers and processing method |
| CN112023539A (en) * | 2020-08-27 | 2020-12-04 | 东风汽车集团有限公司 | In-car air purification filter element and preparation method of carbon fiber paper in car air purification filter element |
| CN112760984A (en) * | 2019-10-21 | 2021-05-07 | 中国石油化工股份有限公司 | Method for preparing carbon fiber for composite material |
| CN113639541A (en) * | 2021-08-23 | 2021-11-12 | 张玉成 | Drying method for carbon fiber material production |
-
2014
- 2014-12-09 CN CN201410744363.6A patent/CN105734721A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108004621A (en) * | 2016-10-28 | 2018-05-08 | 中国石油化工股份有限公司 | A kind of polyamide resin resin-based composite carbon fiber and preparation method thereof |
| CN108004621B (en) * | 2016-10-28 | 2022-01-21 | 中国石油化工股份有限公司 | Carbon fiber for polyamide resin matrix composite material and preparation method thereof |
| CN106567158A (en) * | 2016-11-11 | 2017-04-19 | 宁波艾盛环保科技有限公司 | Preparation method of bioactive carbon fiber |
| CN110396732A (en) * | 2019-08-23 | 2019-11-01 | 大同新成新材料股份有限公司 | A kind of processing technology of modified carbon fiber |
| CN110820335A (en) * | 2019-10-17 | 2020-02-21 | 福清市海威钓具有限公司 | Fishing line made of carbon fibers and processing method |
| CN112760984A (en) * | 2019-10-21 | 2021-05-07 | 中国石油化工股份有限公司 | Method for preparing carbon fiber for composite material |
| CN112760984B (en) * | 2019-10-21 | 2024-01-23 | 中国石油化工股份有限公司 | Method for preparing carbon fiber for composite material |
| CN112023539A (en) * | 2020-08-27 | 2020-12-04 | 东风汽车集团有限公司 | In-car air purification filter element and preparation method of carbon fiber paper in car air purification filter element |
| CN112023539B (en) * | 2020-08-27 | 2021-12-17 | 东风汽车集团有限公司 | Air purification filter core in car |
| CN113639541A (en) * | 2021-08-23 | 2021-11-12 | 张玉成 | Drying method for carbon fiber material production |
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Application publication date: 20160706 |