CN204576294U - A kind of wet spinning DMAC concentration self-checking device - Google Patents
A kind of wet spinning DMAC concentration self-checking device Download PDFInfo
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- CN204576294U CN204576294U CN201520264353.2U CN201520264353U CN204576294U CN 204576294 U CN204576294 U CN 204576294U CN 201520264353 U CN201520264353 U CN 201520264353U CN 204576294 U CN204576294 U CN 204576294U
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- coagulating bath
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- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000002166 wet spinning Methods 0.000 title claims abstract description 12
- 230000001112 coagulating effect Effects 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 17
- 230000003993 interaction Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 101100520231 Caenorhabditis elegans plc-3 gene Proteins 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000005259 measurement Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- 229940113088 dimethylacetamide Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003862 health status Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a kind of wet spinning DMAC concentration self-checking device, described concentration self-checking device is communicated with coagulating bath, comprise concentration detection module, regulate compensating module and PLC, described concentration detection module is communicated with coagulating bath to detect DMAC concentration in coagulating bath, and described adjustment compensating module accesses coagulating bath with to coagulating bath water delivery; Described PLC respectively with concentration detection module, regulate compensating module to be connected.Adopt the utility model, can Real-Time Monitoring and regulate the DMAC concentration of coagulating bath, make production efficiency and product quality higher.
Description
Technical field
The utility model relates to a kind of spinning equipment, particularly relates to a kind of wet spinning DMAC concentration self-checking device.
Background technology
In existing wet production line coagulating basin, DMAC measurement of concetration and control are mainly through artificial periodic monitor, operator adopts hand-hold refractometer to convert DMAC concentration by measuring index of refraction, or adopt Abbe refractometer to record index of refraction to carry out measuring and calculating by the method for tabling look-up and obtain DMAC concentration value, be used for adjusting concentration according to the aperture of the current concentration value that measures and the difference of target concentration value and the experience regulating water inlet valve door of operating personnel again, the valve opening entering system clear water is tuned up when concentration height, turn the valve opening entering system clear water when the concentration is low down, thus meet manufacturing technique requirent.In existing control solidi fication groove there is following problem and defect in the method for DMAC concentration: 1, DMAC solution personal monitoring per hour once, cannot reach real time and on line monitoring, and whether DMAC solution concentration is in processing range and can not get 100% guarantee.2, artificial visually examine's index of refraction reading error is larger with concentrations control table conversion error.3, carry out by-pass valve control aperture according to interval measurement value and operator's experience, likely cause excessive concentration or too low in a short time, thus affect product quality and yield rate, and strong to managing abundant operator's dependency degree.4, product quality is not fully improved.5, product stability is good not.6, the improper concentration discharge of coagulating basin waste water, hydrometallurgic recovery operating cost is high.7, DMAC has intense stimulus smell, hypotoxicity, causes health hazard to the operator being in work on the spot for a long time.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of wet spinning DMAC concentration self-checking device, can Real-Time Monitoring and regulate the DMAC concentration of coagulating bath, make production efficiency and product quality higher.
In order to solve the problems of the technologies described above, the utility model provides a kind of wet spinning DMAC concentration self-checking device, described concentration self-checking device is communicated with coagulating bath, comprise concentration detection module, regulate compensating module and PLC, described concentration detection module is communicated with coagulating bath to detect DMAC concentration in coagulating bath, and described adjustment compensating module accesses coagulating bath with to coagulating bath water delivery; Described PLC respectively with concentration detection module, regulate compensating module to be connected.
As the improvement of such scheme, described concentration detection module comprises circulation constant temperature unit, ebullator and Concentration Testing analyser, described concentration detection module is provided with the input end A and output terminal B that are connected with coagulating bath respectively, and described input end A, circulation constant temperature unit, ebullator, Concentration Testing analyser are connected successively with output terminal B.
As the improvement of such scheme, described concentration detection module also comprises the first motorized valve and the second motorized valve, is connected to the first motorized valve near input end, is connected to the second motorized valve near output.
As the improvement of such scheme, described adjustment compensating module comprises ratio adjusting valve, make-up pump, described adjustment compensating module is respectively equipped with the input end C be communicated with tank and the output terminal D be connected with coagulating bath, and described input end C, ratio adjusting valve, make-up pump, output terminal D connect successively.
As the improvement of such scheme, described adjustment compensating module also comprises the 3rd motorized valve, is connected to the 3rd motorized valve near described output terminal D.
As the improvement of such scheme, described Concentration Testing analyser comprises the DMAC concentration detection sensor detected by optical refractive method.
As the improvement of such scheme, described concentration self-checking device also comprises human-computer interaction interface, and described human-computer interaction interface is connected with PLC.
Implement the utility model, there is following beneficial effect:
Wet spinning DMAC concentration self-checking device described in the utility model, high-resolution DMAC Concentration Testing analyser is adopted to carry out all automatic measurement, avoid artificial measuring error, measuring accuracy is high, and ensure under different measurement environment with accurate auto thermal compensation, can the objective concentration measuring DMAC solution accurately.And adopt the utility model to replace manual testing, can avoid that operator is regular to be contacted with DMAC solution, reduce the impact on operator's health status.
The utility model is also provided with human-computer interaction interface and is connected with PLC, operating personnel can according to demand by human-computer interaction interface setting DMAC solution concentration value, PLC will compare according to the concentration value of the current concentration value that collects of Concentration Testing analyser and setting, outputting standard 4-20mA control signal controls the liquid flowing valve aperture of clear water simultaneously, constantly Closed check-up and control, thus guarantee the stable and accurate of DMAC solution concentration value, user is made to control wet production line coagulating basin DMAC solution concentration more accurately with easy, to improve product quality and product stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of wet spinning DMAC of the utility model concentration self-checking device.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
Composition graphs 1, the utility model provides a kind of wet spinning DMAC concentration self-checking device, described concentration self-checking device 100 is communicated with coagulating bath 200, comprise concentration detection module 1, regulate compensating module 2 and PLC 3, described concentration detection module 1 is communicated with coagulating bath 200 to detect DMAC concentration in coagulating bath 200, and described adjustment compensating module 2 accesses coagulating bath 200 with to coagulating bath 200 water delivery; Described PLC 3 respectively with concentration detection module 1, regulate compensating module 2 to be connected.
The quality problems that the change of DMAC concentration directly causes tow embrittlement and tow doubling etc. serious, therefore need strictly DMAC concentration in control coagulating bath 200 in the process of wet spinning.Liquid extraction in coagulating bath 200 is carried out on-line checkingi analysis by concentration detection module 1 by the utility model, testing result passes to PLC 3 in real time, PLC 3 is according to operator's preset concentration parameter, instruction is sent to adjustment compensating module 2, when the concentration detected is greater than preset concentration scope, compensating module 2 is regulated to increase inflow to reduce the concentration of DMAC in coagulating bath 200; When the concentration detected is less than preset concentration scope, regulate compensating module 2 to reduce inflow to raise the concentration of DMAC in coagulating bath 200, thus realize the Real-Time Monitoring of coagulating bath 200DMAC concentration and automatically regulate.
It should be noted that, DMAC(Dimethylacetamide) formal name used at school dimethyl acetamide, colourless transparent liquid, low toxicity, flammable, there is intense stimulus smell.The utility model adopt the equipment be made up of PLC 3 and physical construction to avoid operator is regular to be contacted with DMAC solution, reduce the impact on operator's health status.
Preferably, the concentration detection module 1 of concentration self-checking device 100 described in the utility model comprises circulation constant temperature unit 11, ebullator 12 and Concentration Testing analyser 13, described concentration detection module 1 is provided with the input end A and output terminal B that are connected with coagulating bath 200 respectively, and described input end A, circulation constant temperature unit 11, ebullator 12, Concentration Testing analyser 13 are connected successively with output terminal B.
Input end A is connected with coagulating bath 200 and makes the liquid in coagulating bath 200 introduce concentration detection apparatus from input end A by ebullator 12, liquid is through the detection of Concentration Testing analyser 13, flow back to coagulating bath 200 from output terminal B, recoverable waste water, reduce Sewage treatment cost.
It should be noted that, the sensor that the utility model Concentration Testing analyser 13 adopts is the DMAC concentration detection sensor detected by optical refractive method.
In addition, because DMAC concentration is very large by the impact of temperature, therefore described concentration detection module 1 also comprises circulation constant temperature unit 11, first the liquid entered in concentration detection module 1 enter circulation constant temperature unit 11, carrying out temperature compensation to being about to enter the liquid before detecting analyser, guaranteeing the accuracy of testing result.
Preferably, adjustment compensating module 2 of the present utility model comprises ratio adjusting valve 21, make-up pump 22, described adjustment compensating module 2 is respectively equipped with the input end C be communicated with tank and the output terminal D be connected with coagulating bath 200, and described input end C, ratio adjusting valve 21, make-up pump 22, output terminal D connect successively.Water can be delivered to coagulating bath 200 from input end C by make-up pump 22; The conditioning signal that ratio adjusting valve 21 can send according to PLC, changes the aperture of valve, thus controls the speed of flow of inlet water, regulates DMAC concentration in coagulating bath 200.
It should be noted that, described concentration detection module 1 also comprises the first motorized valve 14 and the second motorized valve 15, is connected to the first motorized valve 14 near input end, is connected to the second motorized valve 15 near output.Described adjustment compensating module 2 also comprises the 3rd motorized valve 23, is connected to the 3rd motorized valve 23 near described output terminal D.Three motorized valves can by PLC 3 by-pass valve control switch.
PLC 3 described in the utility model can control concentration detection module 1, each parts regulated in compensating module 2, can realize setting parameter and operation monitoring.
Wet spinning DMAC concentration described in the utility model regulates automatically, high-resolution DMAC Concentration Testing analyser 13 is adopted to carry out all automatic measurement, avoid artificial measuring error, measuring accuracy is high, and ensure under different measurement environment with accurate auto thermal compensation, can the objective concentration measuring DMAC solution accurately.
The utility model is also provided with human-computer interaction interface and is connected with PLC 3, operating personnel can according to demand by human-computer interaction interface setting DMAC solution concentration value, PLC 3 compares according to the concentration value of the current concentration value that collects of Concentration Testing analyser 13 and setting, outputting standard 4-20mA control signal controls the liquid flowing valve aperture of clear water simultaneously, constantly Closed check-up and control, thus guarantee the stable and accurate of DMAC solution concentration value, user is made to control wet production line coagulating basin DMAC solution concentration more accurately with easy, to improve product quality and product stability.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (7)
1. a wet spinning DMAC concentration self-checking device, it is characterized in that, described concentration self-checking device is communicated with coagulating bath, comprise concentration detection module, regulate compensating module and PLC, described concentration detection module is communicated with coagulating bath to detect DMAC concentration in coagulating bath, and described adjustment compensating module accesses coagulating bath with to coagulating bath water delivery; Described PLC respectively with concentration detection module, regulate compensating module to be connected.
2. concentration self-checking device as claimed in claim 1, it is characterized in that, described concentration detection module comprises circulation constant temperature unit, ebullator and Concentration Testing analyser, described concentration detection module is provided with the input end A and output terminal B that are connected with coagulating bath respectively, and described input end A, circulation constant temperature unit, ebullator, Concentration Testing analyser are connected successively with output terminal B.
3. concentration self-checking device as claimed in claim 2, it is characterized in that, described concentration detection module also comprises the first motorized valve and the second motorized valve, is connected to the first motorized valve near input end, is connected to the second motorized valve near output.
4. concentration self-checking device as claimed in claim 1, it is characterized in that, described adjustment compensating module comprises ratio adjusting valve, make-up pump, described adjustment compensating module is respectively equipped with the input end C be communicated with tank and the output terminal D be connected with coagulating bath, and described input end C, ratio adjusting valve, make-up pump, output terminal D connect successively.
5. concentration self-checking device as claimed in claim 4, it is characterized in that, described adjustment compensating module also comprises the 3rd motorized valve, is connected to the 3rd motorized valve near described output terminal D.
6. concentration self-checking device as claimed in claim 1, it is characterized in that, described Concentration Testing analyser comprises the DMAC concentration detection sensor detected by optical refractive method.
7. concentration self-checking device as claimed in claim 1, it is characterized in that, described concentration self-checking device also comprises human-computer interaction interface, and described human-computer interaction interface is connected with PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264353.2U CN204576294U (en) | 2015-04-28 | 2015-04-28 | A kind of wet spinning DMAC concentration self-checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520264353.2U CN204576294U (en) | 2015-04-28 | 2015-04-28 | A kind of wet spinning DMAC concentration self-checking device |
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| CN204576294U true CN204576294U (en) | 2015-08-19 |
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| CN201520264353.2U Expired - Fee Related CN204576294U (en) | 2015-04-28 | 2015-04-28 | A kind of wet spinning DMAC concentration self-checking device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363421A (en) * | 2018-01-31 | 2018-08-03 | 山东香驰健源生物科技有限公司 | The device and adjusting method of fructose concentration are adjusted using refractive power optically-active linkage principle |
| CN109032227A (en) * | 2018-10-19 | 2018-12-18 | 山东大学 | A kind of coagulating bath concentration self-control device |
-
2015
- 2015-04-28 CN CN201520264353.2U patent/CN204576294U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363421A (en) * | 2018-01-31 | 2018-08-03 | 山东香驰健源生物科技有限公司 | The device and adjusting method of fructose concentration are adjusted using refractive power optically-active linkage principle |
| CN109032227A (en) * | 2018-10-19 | 2018-12-18 | 山东大学 | A kind of coagulating bath concentration self-control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180509 Address after: 528225 room 503, R & D workshop, Lihe science and technology industrial center, 99 Taoyuan East Road, Shihan Town, Nanhai District, Foshan, Guangdong, China, 99 Patentee after: FOSHAN ZHONGKE DINGXIN MEMBRANE TECHNOLOGY Co.,Ltd. Address before: 511400 Guangzhou, Guangdong Panyu District Luopu street Lijiang garden Liying building three, 808 rooms. Patentee before: Tang Xunhong |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuzhou Zhongke Chuangtu Film Manufacturing Co.,Ltd. Assignor: FOSHAN ZHONGKE DINGXIN MEMBRANE TECHNOLOGY Co.,Ltd. Contract record no.: 2019440000001 Denomination of utility model: Device for wet process spinning DMAC concentration automatically regulated Granted publication date: 20150819 License type: Common License Record date: 20190104 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuzhou Zhongke Yucheng Investment Management Co.,Ltd. Assignor: FOSHAN ZHONGKE DINGXIN MEMBRANE TECHNOLOGY Co.,Ltd. Contract record no.: X2019440000043 Denomination of utility model: Device for wet process spinning DMAC concentration automatically regulated Granted publication date: 20150819 License type: Common License Record date: 20191206 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 |