CN209624360U - A kind of 6 additive concentration on-line measurement control device of nylon - Google Patents
A kind of 6 additive concentration on-line measurement control device of nylon Download PDFInfo
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- CN209624360U CN209624360U CN201822039020.6U CN201822039020U CN209624360U CN 209624360 U CN209624360 U CN 209624360U CN 201822039020 U CN201822039020 U CN 201822039020U CN 209624360 U CN209624360 U CN 209624360U
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Abstract
The utility model relates to a kind of 6 additive concentration on-line measurement control devices of nylon, belong to on-line measurement engineering device technique field, including head tank, measure pipeline, by-pass line, flow out pipeline, in-line analyzer, control valve, sensing element, it is connect after the measurement pipeline is in parallel with by-pass line with outflow pipeline, regulating valve is set on the measurement pipeline, sampling valve is set gradually to outlet by import on the by-pass line, in-line analyzer, threeway stop valve, threeway stop valve is arranged in the outflow pipeline, the in-line analyzer and analysis indicator are separately connected head tank, threeway stop valve.It can be quick, instant analyzes the concentration of the material in pipeline and obtains result, and result is input to analysis indicator, it is spread out of by analysis indicator, unqualified material can return to preparing tank, solve the additive pollution in the production of nylon 6, and detection process is complicated, the problem of field sampling be easy to cause material leakage, pollutes environment.
Description
Technical field
A kind of the utility model on-line measurement engineering device technique field, and in particular to 6 additive concentration on-line measurement control of nylon
Device processed.
Background technique
Nylon 6 slice production uses caprolactam for raw material, the additives such as titanium dioxide, benzoic acid, SEED in raw material
Concentration directly affects slicing product credit rating, is affected to product quality, especially to 6 downstream textile industry of nylon
Dyeing, spinnability influence more prominent.Currently, the concentration analysis of titanium dioxide, benzoic acid, SEED are used in the production of nylon 6
Artificial field sampling, in lab analysis, sample and analyze out result and at least need thirty or forty minute, testing result lag, no
It can reflect field condition in real time, be unfavorable for control of product quality；Sampling analysis frequency is higher, and general every 2 hours sampling is primary,
Large labor intensity, chemical examination consumables cost are high；Field sampling be easy to cause material leakage, pollutes environment.
Utility model content
For above-mentioned problems of the prior art, a purpose of the utility model is to provide a kind of addition of nylon 6
Agent concentration on-line measurement control device.
In order to solve the above technical problems, the technical solution of the utility model are as follows:
A kind of 6 additive concentration on-line measurement control device of nylon, including head tank, measurement pipeline, by-pass line, outflow
Pipeline, reflux line, in-line analyzer, threeway stop valve, sensing element, the measurement pipeline it is in parallel with by-pass line after with
Pipeline connection is flowed out, regulating valve is set on the measurement pipeline, sets gradually sampling to exporting by import on the by-pass line
Threeway stop valve is arranged in valve, in-line analyzer, counter sample valve, the outflow pipeline, and the in-line analyzer connects sensing element, institute
It states sensing element to connect with head tank, threeway stop valve respectively, the threeway stop valve is connect by reflux line with head tank.
The application produces in nylon 6 slice and prepares unit increase on-line measurement control device, the on-line measurement control dress
Parallel pipeline is installed, the regulating valve on pipeline is measured and is mainly used for the material that circulates, flow of the material Jing Guo regulating valve is greater than side
The flow threaded a pipe, by-pass line are able to enter a small amount of material, measure caprolactam and addition in material by by-pass line
Then result is fed back to head tank and threeway stop valve by the raw material proportioning of agent, when the proportion of raw material meets the requirements, open threeway
Material can be passed through subsequent processing by stop valve, and in-line analyzer can be quick, the instant concentration to the material in pipeline into
Row analyze and obtain as a result, and result is input to sensing element, spread out of by sensing element, solve nylon 6 production in adding
Agent is added to pollute, detection process is complicated, and field sampling be easy to cause material leakage, the problem of polluting environment.
The effect of threeway stop valve are as follows: during detection, if detecting concentration qualification, sensing element is by signal
Threeway stop valve and head tank are passed to, threeway stop valve is opened.If the concentration of detection is unqualified, threeway stop valve is closed
It closes.
Preferably, the head tank includes caprolactam head tank and additive raw material tank, the caprolactam head tank
Connect respectively with preparing tank with additive raw material tank, the sensing element respectively with caprolactam head tank and additive raw material tank
Connection.
Preferably, the sensing element is analysis indicator.
It is further preferred that the preparing tank is connect with the entrance of measurement pipeline and by-pass line.
Preferably, on the by-pass line, sampling valve is arranged in the inlet side of in-line analyzer.
The adjustable sample volume of sampling valve, and after the proportion of material qualification, it is not necessary to when measuring concentration,
It is shut off sampling valve；Or sampling valve is first closed before the flushing before carrying out test sample next time.
It is further preferred that the pipeline between the sampling valve and in-line analyzer is connect with flushing pipe, the flushing
Flushing valve is set on pipeline.
First in-line analyzer can be rinsed when measurement next time, in order to avoid influence accuracy.
Preferably, on the by-pass line, the outlet side setting restriction orifice and counter sample valve of in-line analyzer, described time
Sample valve is located at the close material outlet side of restriction orifice.
Restriction orifice can assist the measurement of in-line analyzer with the flow and pressure in restriction conduit.
The flow of material inflow and outflow pipeline after counter sample valve regulation measurement.
Preferably, the pipeline between in-line analyzer and restriction orifice is connect with exhausting pipeline, is set on the exhausting pipeline
Set blow valve.
The exhausting pipeline cooperates flushing process, and the fluid in pipeline is vented.
Preferably, the outflow pipeline is connect with subsequent processing device out-of-bounds.
Preferably, the flushing valve, blow valve, sampling valve, counter sample valve are shut-off valve.
Preferably, the regulating valve is the shut-off valve that top has executing agency, and threeway stop valve is switch valve.
The switch valve be can only automatic on and off valve.
The utility model has the beneficial effects that
Using on-line measurement control device energy real-time monitoring upstream raw material preparing process, according to device or production line formula,
Additive or caprolactam inlet amount in adjustment process for preparation in time, are adjusted to suitable range for 6 additive concentration of nylon, under
Trip nylon 6 slice product quality is guaranteed, and reduces labor intensity and experiment consumables cost, is pacified using online by-pass line formula
Dress, sampling medium flow back to main pipeline, avoid manual sampling that material leakage is caused to pollute environment, and flushing valve and blow valve is arranged, can
Zero point check and correction and maintenance are carried out to in-line analyzer, do not influence system operation.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is 6 additive concentration on-line measurement control device of nylon；
Fig. 2 is 6 additive concentration on-line measurement control device of nylon；
1, pipeline is measured, 2, by-pass line, 3, in-line analyzer, 4, restriction orifice, 5, flushing valve, 6, blow valve, 7, take
Sample valve, 8, counter sample valve, 9, regulating valve, 10, threeway stop valve, 11, outflow pipeline, 12, caprolactam head tank, 13, additive
Head tank, 14, preparing tank, 15, analysis indicator.16, reflux line.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Below with reference to embodiment, the present invention will be further described
Embodiment 1
A kind of 6 additive concentration on-line measurement control device of nylon, including head tank, measurement pipeline 1, by-pass line 2, stream
Pipeline 11, in-line analyzer 3, threeway stop valve 10 out, the measurement pipeline 1 it is in parallel with by-pass line 2 after with outflow pipeline
11 connections, are arranged regulating valve 9 on the measurement pipeline 1, on the by-pass line 2 by import to export set gradually sampling valve 7,
Threeway stop valve 10, the in-line analyzer 3 and analysis indicator is arranged in in-line analyzer 3, counter sample valve 8, the outflow pipeline
15 are separately connected head tank, threeway stop valve 10, and the threeway stop valve 10 is connect by reflux line 16 with head tank.
The head tank includes caprolactam head tank 12 and additive raw material tank 13,12 He of caprolactam head tank
Additive raw material tank 13 is connect with preparing tank 14 respectively.
The sensing element is analysis indicator.
The preparing tank 14 is connect with measurement pipeline 1 with the entrance of by-pass line 2.
On the by-pass line 2, sampling valve 7 is arranged in the inlet side of in-line analyzer 3.
Pipeline between the sampling valve 7 and in-line analyzer 3 is connect with flushing pipe, and punching is arranged on the flushing pipe
Wash valve 5.
On the by-pass line 2, the outlet side setting restriction orifice 4 and counter sample valve 8 of in-line analyzer 3, the counter sample
Valve 8 is located at the close material outlet side of restriction orifice 4.
Pipeline between in-line analyzer 3 and restriction orifice 4 is connect with exhausting pipeline, and emptying is arranged on the exhausting pipeline
Valve 6.
The outflow pipeline 11 is connect with subsequent processing device out-of-bounds.
The flushing valve 5, blow valve 6, sampling valve 7, counter sample valve 8 are shut-off valve.
Preferably, the regulating valve 9 is the shut-off valve that top has executing agency, and threeway stop valve 10 is switch valve.
Embodiment 2
A kind of 6 additive concentration on-line measurement control device of nylon, including head tank, measurement pipeline 1, by-pass line 2, stream
Pipeline 11, in-line analyzer 3, threeway stop valve 10 out, the measurement pipeline 1 it is in parallel with by-pass line 2 after with outflow pipeline
11 connections, are arranged regulating valve 9 on the measurement pipeline 1, on the by-pass line 2 by import to export set gradually sampling valve 7,
Threeway stop valve 10, the in-line analyzer 3 and analysis indicator is arranged in in-line analyzer 3, counter sample valve 8, the outflow pipeline
15 are separately connected head tank, threeway stop valve 10, and the threeway stop valve 10 is connect by reflux line 16 with head tank.
The head tank includes caprolactam head tank 12 and additive raw material tank 13,12 He of caprolactam head tank
Additive raw material tank 13 is connect with preparing tank 14 respectively.
The preparing tank 14 is connect with measurement pipeline 1 with the entrance of by-pass line 2.
On the by-pass line 2, sampling valve 7 is arranged in the inlet side of in-line analyzer 3.
Pipeline between the sampling valve 7 and in-line analyzer 3 is connect with flushing pipe, and punching is arranged on the flushing pipe
Wash valve 5.
On the by-pass line 2, the outlet side setting restriction orifice 4 and counter sample valve 8 of in-line analyzer 3, the counter sample
Valve 8 is located at the close material outlet side of restriction orifice 4.
Pipeline between in-line analyzer 3 and restriction orifice 4 is connect with exhausting pipeline, and emptying is arranged on the exhausting pipeline
Valve 6.
The outflow pipeline 11 is connect with subsequent processing device out-of-bounds.
The flushing valve 5, blow valve 6, sampling valve 7, counter sample valve 8 are shut-off valve.
Preferably, the regulating valve 9 is the shut-off valve that top has executing agency, and control valve 10 is switch valve.
Embodiment 3
The measurement process of on-line measurement control device
The sampled valve 7 of medium enters by-pass line 2 from measurement pipeline 1, is added agent concentration by in-line analyzer 3 and surveys
After amount, the concentration for analyzing result and production requirement is compared, and feeds back to preparation link, by interlocked control adjust automatically in oneself
Amide or additive charging after additive concentration is qualified, automatically open the control valve 10 that qualified material on measurement pipeline goes to downstream,
It prepares qualified additive solution and enters next step production procedure, sampling medium adjusts return flow or stream by restriction orifice 4
Speed flows back to system by counter sample valve 8.In-line analyzer 3 is carried out in use, opening flushing valve 5, water receiving or other media for the first time
Zero point check and correction.When in-line analyzer 3 needs to be rinsed, sampling valve 7 and counter sample valve 8 are closed, opens flushing valve 5 and blow valve
6, by-pass line 2 and in-line analyzer 3 are rinsed.When in-line analyzer 3 needs to safeguard, sampling valve 7 and counter sample are closed
Valve 8 does not influence system operation.Flushing valve 5, blow valve 6, sampling valve 7, counter sample valve 8, to valve classification without particular/special requirement, online
Analyzer 3 can select the analyzer of different light sources and wavelength according to additive types difference.
As shown in Figure 2, during detection, if the detection of in-line analyzer 3 is qualified, threeway stop valve AB is logical, object
Material enters downstream, if detection is unqualified, threeway stop valve AC is logical, and material returns to preparing tank 14 along reflux line 16
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (12)
1. a kind of 6 additive concentration on-line measurement control device of nylon, it is characterised in that: including head tank, measurement pipeline, bypass
Pipeline, outflow pipeline, reflux line, in-line analyzer, threeway stop valve, sensing element, the measurement pipeline and by-pass line
Connect after in parallel with outflow pipeline, regulating valve is set on the measurement pipeline, on the by-pass line by import to export according to
Threeway stop valve, the in-line analyzer connection is arranged in secondary setting sampling valve, in-line analyzer, counter sample valve, the outflow pipeline
Sensing element, the sensing element are connect with head tank, threeway stop valve respectively, the threeway stop valve by reflux line with
Head tank connection.
2. on-line measurement control device according to claim 1, it is characterised in that: the head tank includes caprolactam original
Batch can and additive raw material tank, the caprolactam head tank and additive raw material tank are connect with preparing tank respectively, the sensing
Element is connect with caprolactam head tank and additive raw material tank respectively.
3. on-line measurement control device according to claim 2, it is characterised in that: the sensing element is analysis instruction
Instrument, the preparing tank are connect with the entrance of measurement pipeline and by-pass line.
4. on-line measurement control device according to claim 1, it is characterised in that: on the by-pass line, on-line analysis
Sampling valve is arranged in the inlet side of instrument.
5. on-line measurement control device according to claim 4, it is characterised in that: the sampling valve and in-line analyzer it
Between pipeline connect with flushing pipe, flushing valve is set on the flushing pipe.
6. on-line measurement control device according to claim 1, it is characterised in that: on the by-pass line, on-line analysis
The outlet side setting restriction orifice and counter sample valve, the counter sample valve of instrument are located at the close material outlet side of restriction orifice.
7. on-line measurement control device according to claim 1, it is characterised in that: between in-line analyzer and restriction orifice
Pipeline connect with exhausting pipeline, installation of relief valve on the exhausting pipeline.
8. on-line measurement control device according to claim 1, it is characterised in that: the outflow pipeline is next with out-of-bounds
Process device connection.
9. on-line measurement control device according to claim 1, it is characterised in that: the sampling valve, counter sample valve are cut-off
Valve.
10. on-line measurement control device according to claim 5, it is characterised in that: the flushing valve is shut-off valve.
11. on-line measurement control device according to claim 7, it is characterised in that: the blow valve is shut-off valve.
12. on-line measurement control device according to claim 1, it is characterised in that: the regulating valve has for top and holds
The shut-off valve of row mechanism, threeway stop valve are switch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039020.6U CN209624360U (en) | 2018-12-05 | 2018-12-05 | A kind of 6 additive concentration on-line measurement control device of nylon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039020.6U CN209624360U (en) | 2018-12-05 | 2018-12-05 | A kind of 6 additive concentration on-line measurement control device of nylon |
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| CN209624360U true CN209624360U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822039020.6U Active CN209624360U (en) | 2018-12-05 | 2018-12-05 | A kind of 6 additive concentration on-line measurement control device of nylon |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848948A (en) * | 2020-06-30 | 2020-10-30 | 聊城市鲁西化工工程设计有限责任公司 | Addition system and process of environment-friendly nylon 6 delustering agent solution and nylon 6 production system |
| CN114062053A (en) * | 2021-11-25 | 2022-02-18 | 芬欧汇川(中国)有限公司 | Pulp sampling inspection equipment and pulp sampling inspection method for papermaking pulp |
| CN114088466A (en) * | 2020-08-24 | 2022-02-25 | 三菱动力株式会社 | Sampling device and sampling method |
-
2018
- 2018-12-05 CN CN201822039020.6U patent/CN209624360U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848948A (en) * | 2020-06-30 | 2020-10-30 | 聊城市鲁西化工工程设计有限责任公司 | Addition system and process of environment-friendly nylon 6 delustering agent solution and nylon 6 production system |
| CN114088466A (en) * | 2020-08-24 | 2022-02-25 | 三菱动力株式会社 | Sampling device and sampling method |
| CN114062053A (en) * | 2021-11-25 | 2022-02-18 | 芬欧汇川(中国)有限公司 | Pulp sampling inspection equipment and pulp sampling inspection method for papermaking pulp |
| CN114062053B (en) * | 2021-11-25 | 2024-06-14 | 芬欧汇川(中国)有限公司 | Pulp sampling inspection equipment and pulp sampling inspection method for papermaking pulp |
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