CN203498513U - Pure chitosan fiber coagulating bath liquid circulation system - Google Patents
Pure chitosan fiber coagulating bath liquid circulation system Download PDFInfo
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- CN203498513U CN203498513U CN201320546668.7U CN201320546668U CN203498513U CN 203498513 U CN203498513 U CN 203498513U CN 201320546668 U CN201320546668 U CN 201320546668U CN 203498513 U CN203498513 U CN 203498513U
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- coagulating bath
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Abstract
The utility model provides a pure chitosan fiber coagulating bath liquid circulation system, which aims at solving the technical problems that not only can coagulating bath liquid not be kept to flow at constant flowing speed, but also the change of temperature and concentration of the bath liquid cannot be controlled in ranges required by the quality of strands which continuously enter the bath liquid during the coagulation treatment of chitosan fibers. The coagulating bath liquid circulation system provided by the utility model not only can save energy and resources, but also can guarantee a fiber coagulation effect. The coagulating bath liquid circulation system comprises a coagulating bath tank, a circulating liquid storage unit, a heating unit, a lifting device, an alkali liquid adding unit, a monitoring unit and a control unit, wherein a limiting unit is arranged in the coagulating bath tank. The coagulating bath liquid circulation system is characterized in that the alkali liquid adding unit is communicated with the circulating liquid storage unit, the circulating liquid storage unit is arranged below the coagulating bath tank and is communicated with a liquid return port of the coagulating bath tank, the lifting device is arranged in the circulating liquid storage unit and is communicated with a liquid inlet of the coagulating bath tank, the monitoring unit and the heating unit are arranged in the circulating liquid storage unit, and the lifting device, the alkali liquid adding unit, the monitoring unit and the heating unit are respectively and electrically connected with the control unit.
Description
Technical field
The utility model relates to textile fabric manufacture field, relates in particular to the circulatory system of the circulation recycling of coagulating bath in a kind of pure chitosan fiber process.
Background technology
In pure chitosan fiber process stoste by metering, filter, extruding spray silk becomes a stoste thread to solidify processing in entering coagulating tank, stoste thread is in coagulating bath, surface concentrated phase solvent and water are constantly diffused in coagulation bath, and stoste thread surface solidify to form as-spun fibre gradually.In order to guarantee the uniformity of fiberizing quality, the design of technological process must guarantee following 2 points:
1) body lotion that strand concentration around changed that upgrades in time, the concentrated phase solvent on stoste thread surface could continuously be diffused into surface adhesion and bathe in film, and fiber surface structure could be evenly closely.Therefore, body lotion must be mobile rather than static with constant flow rate.
2) concentration of coagulation bath and temperature also reduce along with stoste thread enters groove inter-sync continuously, in order to guarantee the uniformity of fiberizing, the variation of bath temperature and concentration must be controlled in the scope of strand quality requirements that assurance enters body lotion continuously, be generally error to be no more than ± 0.2% left and right solvent strength, need to discharge and subtracted light coagulation bath in time simultaneously, and suitably increase the concentration that alkali lye revisal changes, constant to guarantee the relative concentration of coagulation bath.
In order to reach above-mentioned process requirements, the applicant proposes a kind of coagulating bath circulatory system of not only having saved the energy and resource but also having guaranteed fiber coagulation result by great many of experiments.
Summary of the invention
The purpose of this utility model is in order to solve pure chitosan fiber in solidifying processing procedure, can keep coagulation bath to flow with constant flow rate, can guarantee that again the temperature of body lotion and the variation of concentration are controlled at the technical problem in the scope of the strand quality requirements that enters continuously body lotion, propose a kind of coagulation bath circulatory system of not only having saved the energy and resource but also having guaranteed fiber coagulation result.
The technical scheme that solves the problems of the technologies described above employing is: a kind of pure chitosan fiber coagulation bath circulatory system, comprise coagulating tank, circulation fluid storage element, heating unit, lifting device, alkali lye adding device, monitoring means and control module, in described coagulating tank, be provided with stopping means, it is characterized in that, described alkali lye adding device is communicated with circulation fluid storage element, described circulation fluid storage element is placed in coagulating tank below and is communicated with the liquid return hole of coagulating tank, described lifting device is placed in circulation fluid storage element and is communicated with the inlet of coagulating tank, described monitoring means and heating unit are placed in circulation fluid storage element, described lifting device, alkali lye adding device, monitoring means and heating unit are electrically connected to control module respectively.
Further, also comprise filter element, described filter element is connected with the liquid return hole of described coagulating tank.
Further, also comprise dividing cell, described dividing cell is connected with the inlet of described coagulating tank.
Further, be provided with compressed air bubbling unit in described circulation fluid storage element, described compressed air bubbling unit is communicated with compressed air pump, and described compressed air pump is electrically connected to control module.
Good effect of the present utility model shows as: 1) the utility model consists of the flow circuit of coagulation bath lifting device, coagulating tank and circulation fluid storage element, as long as keep the feed liquor speed of coagulation bath can reach coagulation bath consistent with back-flow velocity to flow with constant flow rate; By alkali lye adding device, monitoring means and heating unit, guaranteed concentration and the temperature requirements of coagulation bath, thereby guaranteed the quality of fiberizing; 2) due to the recycle of the utility model to coagulation bath, so do not have waste water, often do not discharge, can not cause environmental pollution, simultaneously again can saving water resource, recycling of coagulation bath in addition, can save in a large number for preparing the alkali lye of coagulation bath, has reduced product cost; 3) filter element, by the staple fibre synnema adsorption filtration in coagulating bath, has been avoided the pollution of staple fibre synnema to production equipment and coagulation bath; 4) dividing cell will be disperseed from inlet coagulation bath Large-Area-Uniform out, realizes coagulation bath and flows with soft constant flow rate, avoids flow velocity inequality to pull apart filament.
Accompanying drawing explanation
Fig. 1 is the utility model structure block diagram;
Wherein: the liquid return hole 3 of coagulating tank 1, stopping means 2, coagulating tank, the inlet 4 of coagulating tank, filter element 5, dividing cell 6, circulation fluid storage element 7, heating unit 8, lifting device 9, alkali lye adding device 10, monitoring means 11, compressed air bubbling unit 12, compressed air pump 13, control module 14.
The specific embodiment
Below in conjunction with 1 pair of the utility model of accompanying drawing, be described further.
A kind of pure chitosan fiber coagulation bath circulatory system, comprise coagulating tank 1, circulation fluid storage element 7, heating unit 8, lifting device 9, alkali lye adding device 10, monitoring means 11 and control module 14, in described coagulating tank 1, be provided with stopping means 2, it is characterized in that, described alkali lye adding device 10 is communicated with circulation fluid storage element 7, described circulation fluid storage element 7 is placed in coagulating tank 1 below and is communicated with the liquid return hole 3 of coagulating tank, described lifting device 9 is placed in circulation fluid storage element 7 and is communicated with the inlet 4 of coagulating tank, described monitoring means 11 and heating unit 8 are placed in circulation fluid storage element 7, described lifting device 9, alkali lye adding device 10, monitoring means 11 and heating unit 8 are electrically connected to control module 14 respectively.
Further, also comprise filter element 5, described filter element 5 is connected with the liquid return hole 3 of described coagulating tank.
Further, also comprise dividing cell 6, described dividing cell 6 is connected with the inlet 4 of described coagulating tank.
Further, be provided with compressed air bubbling unit 12 in described circulation fluid storage element 7, described compressed air bubbling unit 12 is communicated with compressed air pump 13, and described compressed air pump 13 is electrically connected to control module 14.
The utility model in working order in, control module 14 adopts Programmable Logic Controller as control core, monitoring means 11 is by flowmeter, hygrosensor and concentration detector form, control module 14 is controlled lifting device 9 according to the data servo of monitoring means 11 feedbacks, alkali lye adding device 10, heating unit 8 and compressed air bubbling unit 12, by lifting device 9, controlled the feed liquor amount of coagulation bath, by setting the height of stopping means 2, control the quantity of reflux of coagulation bath, the feed liquor amount of coagulation bath and the quantity of reflux of coagulation bath are consistent, lifting device 9 rises to the coagulation bath in circulation fluid storage element 7 in coagulating tank 1, through the dividing cell 6 that is connected with the inlet 4 of coagulating tank, flow for soft coagulation bath coagulation bath is dispersed, stoste thread enters in coagulating tank 1 and solidifies processing, acid-base neutralization along with stoste thread and coagulation bath, stoste thread surface solidify to form as-spun fibre gradually, alkali concn in coagulation bath reduces gradually, concentration subtracts light coagulation bath and by the refluxing opening 3 of coagulating tank, enters circulation fluid storage element 7 after by filter element 5 adsorption filtration staple fibres, in circulation fluid storage element 7, by alkali lye adding device 10, supplement alkali lye, by heating unit 8, keep temperature, by the empty coagulation bath of bubbling unit 12 quickening backflows and the supplementary alkali lye of going of compression, fully mixed, formation meets the coagulation bath of spinning requirement, by lifting device 9, rise to coagulating tank 1 again and carry out the processing of solidifying to stoste, when lifting device 9 starts to promote, according to the lifting flow setting or return flow, in conjunction with the inlet 4 of coagulating tank and the distance of refluxing opening 3 of coagulating tank and the flow velocity of coagulation bath, can accurately learn the addition of alkali lye and the calorie value that heating unit 8 discharges, like this when starting lifting device 9 by control module 14 SERVO CONTROL alkali lye adding devices 10, the duty of heating unit 8 and compressed air bubbling unit 12, like this after coagulation bath refluxes without interruption, sustainable lifting, keep the concentration of coagulation bath relative with temperature constant, form the circulatory system of coagulation bath.
Claims (4)
1. the pure chitosan fiber coagulation bath circulatory system, comprise coagulating tank, circulation fluid storage element, heating unit, lifting device, alkali lye adding device, monitoring means and control module, in described coagulating tank, be provided with stopping means, it is characterized in that, described alkali lye adding device is communicated with circulation fluid storage element, described circulation fluid storage element is placed in coagulating tank below and is communicated with the liquid return hole of coagulating tank, described lifting device is placed in circulation fluid storage element and is communicated with the inlet of coagulating tank, described monitoring means and heating unit are placed in circulation fluid storage element, described lifting device, alkali lye adding device, monitoring means and heating unit are electrically connected to control module respectively.
2. a kind of pure chitosan fiber coagulation bath circulatory system according to claim 1, is characterized in that, also comprise filter element, described filter element is connected with the liquid return hole of described coagulating tank.
3. a kind of pure chitosan fiber coagulation bath circulatory system according to claim 2, is characterized in that, also comprise dividing cell, described dividing cell is connected with the inlet of described coagulating tank.
4. according to a kind of pure chitosan fiber coagulation bath circulatory system described in claim 1 or 2 or 3, it is characterized in that, in described circulation fluid storage element, be provided with compressed air bubbling unit, described compressed air bubbling unit is communicated with compressed air pump, and described compressed air pump is electrically connected to control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546668.7U CN203498513U (en) | 2013-09-04 | 2013-09-04 | Pure chitosan fiber coagulating bath liquid circulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320546668.7U CN203498513U (en) | 2013-09-04 | 2013-09-04 | Pure chitosan fiber coagulating bath liquid circulation system |
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| CN203498513U true CN203498513U (en) | 2014-03-26 |
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| CN201320546668.7U Expired - Lifetime CN203498513U (en) | 2013-09-04 | 2013-09-04 | Pure chitosan fiber coagulating bath liquid circulation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877799A (en) * | 2020-12-31 | 2021-06-01 | 荣成碳纤维科技有限公司 | Method and system for producing carbon fiber dry-jet wet-spun precursor |
| CN113215668A (en) * | 2021-04-16 | 2021-08-06 | 山西钢科碳材料有限公司 | Polyacrylonitrile nascent fiber, polyacrylonitrile fiber and preparation method thereof |
| CN113279072A (en) * | 2021-05-28 | 2021-08-20 | 吉林中晟达新材料科技发展有限公司 | Three-dimensional wet spinning solidification forming system of precursor yarn for carbon fiber |
-
2013
- 2013-09-04 CN CN201320546668.7U patent/CN203498513U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877799A (en) * | 2020-12-31 | 2021-06-01 | 荣成碳纤维科技有限公司 | Method and system for producing carbon fiber dry-jet wet-spun precursor |
| CN112877799B (en) * | 2020-12-31 | 2022-03-11 | 荣成碳纤维科技有限公司 | Method and system for producing carbon fiber dry-jet wet-spun precursor |
| CN113215668A (en) * | 2021-04-16 | 2021-08-06 | 山西钢科碳材料有限公司 | Polyacrylonitrile nascent fiber, polyacrylonitrile fiber and preparation method thereof |
| CN113215668B (en) * | 2021-04-16 | 2022-11-11 | 山西钢科碳材料有限公司 | Polyacrylonitrile nascent fiber, polyacrylonitrile fiber and preparation method thereof |
| CN113279072A (en) * | 2021-05-28 | 2021-08-20 | 吉林中晟达新材料科技发展有限公司 | Three-dimensional wet spinning solidification forming system of precursor yarn for carbon fiber |
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