CN209690175U - Free chlorine on-line measuring device - Google Patents
Free chlorine on-line measuring device Download PDFInfo
- Publication number
- CN209690175U CN209690175U CN201821668942.7U CN201821668942U CN209690175U CN 209690175 U CN209690175 U CN 209690175U CN 201821668942 U CN201821668942 U CN 201821668942U CN 209690175 U CN209690175 U CN 209690175U
- Authority
- CN
- China
- Prior art keywords
- line
- hydrogen chloride
- measuring device
- free chlorine
- spectrum analysis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model relates to on-line measuring device technical fields, it is a kind of free chlorine on-line measuring device, it includes the first spectrum analysis cup, second spectrum analysis cup, first probe, second probe and data processor, successively fixation is communicated with the first hydrogen chloride sampling line and the first waste liquid pipeline from left to right on the inside of first spectrum analysis cup, successively fixation is communicated with the second hydrogen chloride sampling line and the second waste liquid pipeline from left to right on the inside of second spectrum analysis cup, first spectrum analysis cup lower inside is fixedly installed with the first probe, second spectrum analysis cup lower inside is fixedly installed with the second probe, first pops one's head in and is electrically connected between data processor, second pops one's head in and is electrically connected between data processor.The utility model reasonable and compact in structure, free chlorine on-line measuring device detection time is short, detection efficiency is high, Detection accuracy is high, avoids employee's field sampling, reduces personnel labor intensity, realizes continuous on-line detection and improves production detection the degree of automation.
Description
Technical field
The utility model relates to on-line measuring device technical fields, are a kind of free chlorine on-line measuring devices.
Background technique
In vinyl chloride monomer production process, the detection of free chlorine is extremely important in unstripped gas hydrogen chloride, free chlorine contents
Directly influence the safety and stability of entire Vinyl Chloride Production System.Because exceeded chlorine is sent to VCM Synthesis
When process, chlorine and acetylene reaction generate chloroacetylene and release a large amount of heat, and the temperature of mixer increases rapidly, or even can make
At the major accident of explosion.
Currently, VCM synthesis hybrid system is mainly connected using the artificial detection frequency of the free content of increasing, setting safety
The modes such as lock reduce production risk, but by being run multiple times, these methods can not reach ideal effect.Although firstly, mentioning
The high artificial detection frequency of free chlorine contents, but cannot be guaranteed to detect whether in time, and field sampling consumes manpower, object
Power, it cannot be guaranteed that the personal safety of employee.Secondly, generally there are hysteresis for chain control, once chlorine excessively is serious, and it is also not timely
Realize chain parking, equipment has resulted in explosion, and consequence is hardly imaginable.
Summary of the invention
The utility model provides a kind of free chlorine on-line measuring device, overcomes the defects of the prior art, energy
Effectively solve that free chlorine in existing hydrogen chloride is detected there are manual operation error, detection time is long, Detection accuracy is low and not
The problem of energy on-line checking causes interlocking to lag.
The technical solution of the utility model is realized by following measures: a kind of free chlorine on-line measuring device, packet
Include the first spectrum analysis cup, the second spectrum analysis cup, the first probe, the second probe and data processor, the first spectrum analysis cup
It is connected to the first hydrogen chloride sampling line outlet end stationary phase, the second spectrum analysis cup and the second hydrogen chloride sampling line stationary phase
Connection, the first waste liquid pipeline are connected to the first spectrum analysis cup stationary phase, and the second waste liquid pipeline is fixed with the second spectrum analysis cup
It is connected, the first spectrum analysis cup lower part is fixedly installed with the first probe, and the second spectrum analysis cup lower part is fixedly installed with second
Probe, first pops one's head in and is electrically connected between data processor, and second pops one's head in and be electrically connected between data processor.
Here is the further optimization and/or improvements to one of above-mentioned utility model technical solution:
The first threeway adjusting is fixedly installed between above-mentioned first hydrogen chloride sampling line and the second hydrogen chloride sampling line
Valve.
Above-mentioned first three-way control valve left port is connected to the first hydrogen chloride sampling line stationary phase, the first three-way control valve
Right output port is connected to the second hydrogen chloride sampling line stationary phase, the first three-way control valve Centronics port and total hydrogen chloride sampling line
Stationary phase connection.
The second three-way control valve is fixedly installed on above-mentioned first waste liquid pipeline.
Above-mentioned second three-way control valve left port is fixedly linked logical, the second three-way control valve intermediate ends with the first waste liquid pipeline
Mouth is fixedly linked logical with the second waste liquid pipeline, and the second three-way control valve Centronics port is fixedly linked logical with total waste liquid pipeline.
Waste liquid absorption pump is fixedly installed on above-mentioned total waste liquid pipeline.
Above-mentioned second three-way control valve rear end is fixedly installed with second switch valve.
Above-mentioned total hydrogen chloride sampling line is connected to raw material hydrogen chloride feed-line stationary phase, raw material hydrogen chloride feed-line
On be fixedly installed with automatic stop valve.
The utility model reasonable and compact in structure, easy to use, free chlorine on-line measuring device detection time is short, detection effect
Rate is high, Detection accuracy is high, avoids employee's field sampling, reduces personnel labor intensity, realizes continuous on-line detection and raising
Production detection the degree of automation.
Detailed description of the invention
Attached drawing 1 is the flow diagram of the utility model.
Coding in attached drawing is respectively as follows: 1 for the first spectrum analysis cup, and 2 be the second spectrum analysis cup, and 3 pop one's head in for first, and 4
It is data processor for the second probe, 5,6 be raw material hydrogen chloride feed-line, and 7 be total hydrogen chloride sampling line, 8 first chlorinations
Hydrogen sampling line, 9 be the second hydrogen chloride sampling line, and 10 be the first waste liquid pipeline, and 11 be the second waste liquid pipeline, and 12 be total waste liquid
Pipeline 13 is automatic stop valve, 14 is the first three-way control valve, and 15 be the second three-way control valve, and 16 be first switch valve, and 17 are
Second switch valve, 18 be falling film absorbing device, and 19 be hydrogen chloride downstream user, and 20 be waste liquid absorption pump.
Specific embodiment
The utility model is further described below with reference to embodiment:
Embodiment 1: the free chlorine on-line measuring device, including the first spectrum analysis cup 1, the second spectrum analysis cup 2, first
The 3, second probe 4 of probe and data processor 5, successively fixation is communicated with the first chlorine to 1 inside of the first spectrum analysis cup from left to right
Change hydrogen sampling line 8 and the first waste liquid pipeline 10, successively fixation is communicated with the second chlorine to 2 inside of the second spectrum analysis cup from left to right
Change hydrogen sampling line 9 and the second waste liquid pipeline 11,1 lower inside of the first spectrum analysis cup is fixedly installed with the first probe 3, and second
2 lower inside of spectrum analysis cup is fixedly installed with the second probe 4, is electrically connected between the first probe 3 and data processor 5, second
It is electrically connected between probe 4 and data processor 5.
The first probe 3 and the second probe 4 are conventionally known laser fiber probe in embodiment.
Embodiment 2: as the optimization of above-described embodiment, the first hydrogen chloride sampling line 8 and the second hydrogen chloride sampling line 9
Between be fixedly installed with the first three-way control valve 14.
Embodiment 3: as the optimization of above-described embodiment, 14 left port of the first three-way control valve and the first hydrogen chloride probe tube
The connection of 8 stationary phase of line, 14 right output port of the first three-way control valve are connected to 9 stationary phase of the second hydrogen chloride sampling line, the first threeway
14 Centronics port of regulating valve is connected to total 7 stationary phase of hydrogen chloride sampling line.
Embodiment 4: as the optimization of above-described embodiment, the second three-way control valve is fixedly installed on the first waste liquid pipeline 10
15。
Embodiment 5: as the optimization of above-described embodiment, 15 left port of the second three-way control valve and the first waste liquid pipeline 10 are solid
Surely it is connected, 15 Centronics port of the second three-way control valve is connected to 11 stationary phase of the second waste liquid pipeline, the second three-way control valve 15
Centronics port fixation is communicated with total waste liquid pipeline 12.
Embodiment 6: as the optimization of above-described embodiment, waste liquid absorption pump 20 is fixedly installed on total waste liquid pipeline 12.
Embodiment 7: as the optimization of above-described embodiment, 10 input end of the first waste liquid pipeline and the second three-way control valve 15 it
Between be fixedly installed with first switch valve 16.
Embodiment 8: as the optimization of above-described embodiment, 15 rear end of the second three-way control valve is fixedly installed with second switch valve
17。
Embodiment 9: as the optimization of above-described embodiment, total hydrogen chloride sampling line 7 and raw material hydrogen chloride feed-line 6 are solid
Surely it is connected, is fixedly installed with automatic stop valve 13 on raw material hydrogen chloride feed-line 6.
Following application methods for the utility model: it carries out as steps described below: the first step, successively by 15ml to 25ml's
Starch potassium iodide solution is added into the first spectrum analysis cup 1 and the second spectrum analysis cup 2；Second step is opened total hydrogen chloride and is taken
14 left port of the first three-way control valve on sample pipeline 7, through the first hydrogen chloride sampling line 8 into the first spectrum analysis cup 1
It is passed through hydrogen chloride gas, the starch potassium iodide solution reaction in chlorine and the first spectrum analysis cup 1 in hydrogen chloride gas, starch
Liquor kalii iodide generates color change；Third step, when free chlorine body in the hydrogen chloride gas of the first hydrogen chloride sampling line 8 output
Product concentration is more than 0.2%, and the starch potassium iodide solution colour in the first spectrum analysis cup 1 is changed the signal of the depth by the first probe 3
It is delivered to data processor 5, data processor 5 starts warning note, opens 14 right output port of the first three-way control valve, closes first
14 left port of three-way control valve is passed through hydrogen chloride gas into the second spectrum analysis cup 2 by the second hydrogen chloride sampling line 9,
The starch potassium iodide solution reaction in chlorine and the second spectrum analysis cup 2 in hydrogen chloride gas, starch potassium iodide solution generate
Color change, when free chlorine volumetric concentration is more than 0.2% in the hydrogen chloride gas of the second hydrogen chloride sampling line 9 output, second is visited
The signal of the starch potassium iodide solution colour variation depth in second spectrum analysis cup 2 is delivered to data processor 5 by first 4, number
According to processor 5, alarm will be started again prompts and start interlocking, the automatic stop valve 13 on closing raw material hydrogen chloride feed-line 6,
Stop raw material hydrogen chloride feed-line 6 and conveys hydrogen chloride gas to hydrogen chloride downstream user 19；It is useless successively to open first for 4th step
First switch valve 16,15 left port of the second three-way control valve, 15 Centronics port of the second three-way control valve, second on liquid pipe line 10
Second switch valve 17 in 15 right output port of three-way control valve and the second waste liquid pipeline 11 starts waste liquid absorption pump 20, by the first light
Starch potassium iodide solution waste liquid drains into falling film absorbing device 18 in spectrum analysis cup 1 and the second spectrum analysis cup 2.
In the utility model free chlorine on-line measuring device, the chlorine and starch potassium iodide solution in hydrogen chloride gas are anti-
It answers, starch potassium iodide solution generates color change, and the first probe 3 and the second probe 4 change according to starch potassium iodide solution colour
The free chlorine contents standard curve (i.e. free chlorine contents different colours concentration) prestored in the depth and data processor 5 carries out pair
Than, so that it is determined that free chlorine contents, and content data is sent to the processing display of data processor 5 by signal, when the first chlorine
When free chlorine is exceeded in hydrogen chloride gas in change hydrogen sampling line 8, warning note occurs for first detection cup 1, and detection system is certainly
It is dynamic to switch to second detection cup 2, quantitatively confirm that free chlorine is exceeded in hydrogen chloride gas, starts interlock protection cutting immediately twice
Automatic stop valve 13 on raw material hydrogen chloride feed-line 6 stops pipeline, realizes chain control, prevents the generation of accident.
The detection method be fully automated carry out, while can be arranged in a data processor detection frequency and detection when
Between, guarantee that detection is quick, accurate and effective.
In conclusion the utility model free chlorine on-line measuring device uses simple and efficient way, process is true twice
Recognize the over-standard phenomenon that can quickly detect free chlorine in raw material hydrogen chloride, and data processing is quickly transmitted a signal to by probe
Device processing, starts interlock protection when free chlorine is exceeded.The utility model free chlorine on-line measuring device detection time is short, detects
It is high-efficient, Detection accuracy is high, avoids employee's field sampling, reduces personnel labor intensity, realize continuous on-line detection and mention
High production detection the degree of automation.
The above technical characteristic constitutes the embodiments of the present invention, can with stronger adaptability and implementation result
Increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (10)
1. a kind of free chlorine on-line measuring device, it is characterised in that including the first spectrum analysis cup, the second spectrum analysis cup, first
Probe, the second probe and data processor, successively fixation is communicated with the first hydrogen chloride from left to right for the first spectrum analysis cup inside
Sampling line and the first waste liquid pipeline, the second spectrum analysis cup inside is successively fixed from left to right to be communicated with the sampling of the second hydrogen chloride
Pipeline and the second waste liquid pipeline, the first spectrum analysis cup lower inside are fixedly installed with the first probe, in the second spectrum analysis cup
Side lower part is fixedly installed with the second probe, and first pops one's head in and be electrically connected between data processor, the second probe and data processor
Between be electrically connected.
2. free chlorine on-line measuring device according to claim 1, it is characterised in that the first hydrogen chloride sampling line and
The first three-way control valve is fixedly installed between dichloride hydrogen sampling line.
3. free chlorine on-line measuring device according to claim 2, it is characterised in that the first three-way control valve left port with
The connection of first hydrogen chloride sampling line stationary phase, the first three-way control valve right output port are fixedly linked with the second hydrogen chloride sampling line
Logical, the first three-way control valve Centronics port is connected to total hydrogen chloride sampling line stationary phase.
4. free chlorine on-line measuring device according to claim 1 or 2 or 3, it is characterised in that solid on the first waste liquid pipeline
Dingan County is equipped with the second three-way control valve.
5. free chlorine on-line measuring device according to claim 4, it is characterised in that the second three-way control valve left port with
First waste liquid pipeline be fixedly linked it is logical, the second three-way control valve Centronics port be fixedly linked with the second waste liquid pipeline it is logical, the two or three
Logical regulating valve Centronics port fixation is communicated with total waste liquid pipeline.
6. free chlorine on-line measuring device according to claim 5, it is characterised in that be fixedly installed on total waste liquid pipeline
Waste liquid absorption pump.
7. free chlorine on-line measuring device according to claim 6, it is characterised in that the first waste liquid pipeline input end and
First switch valve is fixedly installed between two three-way control valves.
8. free chlorine on-line measuring device according to claim 5, it is characterised in that the second three-way control valve rear end is fixed
Second switch valve is installed.
9. free chlorine on-line measuring device according to claim 4, it is characterised in that total hydrogen chloride sampling line and raw material
Hydrogen chloride feed-line stationary phase is connected to, and is fixedly installed with automatic stop valve on raw material hydrogen chloride feed-line.
10. free chlorine on-line measuring device according to claim 5, it is characterised in that total hydrogen chloride sampling line and raw material
Hydrogen chloride feed-line stationary phase is connected to, and is fixedly installed with automatic stop valve on raw material hydrogen chloride feed-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821668942.7U CN209690175U (en) | 2018-10-15 | 2018-10-15 | Free chlorine on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821668942.7U CN209690175U (en) | 2018-10-15 | 2018-10-15 | Free chlorine on-line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209690175U true CN209690175U (en) | 2019-11-26 |
Family
ID=68594135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821668942.7U Expired - Fee Related CN209690175U (en) | 2018-10-15 | 2018-10-15 | Free chlorine on-line measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209690175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406501A (en) * | 2018-10-15 | 2019-03-01 | 新疆中泰新鑫化工科技股份有限公司 | Free chlorine on-line measuring device and its application method |
| CN116256325A (en) * | 2023-01-10 | 2023-06-13 | 成都微创自控工程有限公司 | Free chlorine online analysis device and analysis method |
-
2018
- 2018-10-15 CN CN201821668942.7U patent/CN209690175U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406501A (en) * | 2018-10-15 | 2019-03-01 | 新疆中泰新鑫化工科技股份有限公司 | Free chlorine on-line measuring device and its application method |
| CN116256325A (en) * | 2023-01-10 | 2023-06-13 | 成都微创自控工程有限公司 | Free chlorine online analysis device and analysis method |
| CN116256325B (en) * | 2023-01-10 | 2023-11-28 | 成都微创自控工程有限公司 | Free chlorine online analysis device and analysis method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209690175U (en) | Free chlorine on-line measuring device | |
| CN201740756U (en) | On-line ammonia nitrogen monitoring system | |
| JP2009288228A (en) | Method and device for automatic analysis quantitative observation | |
| CN103623637B (en) | A kind of press filteration system intelligent online inspection and control system | |
| CN206020318U (en) | A kind of gas dew point analytical equipment | |
| CN105352766B (en) | A kind of the tap water automatic ration sampler and its sampling method of detection Cryptosporidium and giardia lamblia stiles | |
| CN107782853A (en) | A kind of evaluation system for being used to detect deoxidier performance | |
| CN109406501A (en) | Free chlorine on-line measuring device and its application method | |
| CN205067411U (en) | Hydrogen sulfide gas body detection device | |
| CN207281061U (en) | A kind of multi-period interval water quality monitoring system | |
| CN103924419B (en) | Washing solution online detection method and washing device | |
| CN109444127A (en) | A kind of permanganate index online test method and system | |
| CN102692396B (en) | Endotoxin detection system and quantitative detection method thereof | |
| CN204925100U (en) | Online oil spilling monitoring alarm system | |
| CN209247626U (en) | Suitable for free chloro concentration or the on-line detector of total cl concn | |
| CN106501475A (en) | A kind of water monitoring device of tap water pipe network | |
| CN110632267A (en) | System and method for continuously measuring high-concentration sewage exceeding application range of online instrument | |
| CN214252257U (en) | Water sample pH adjusting device | |
| JP4030458B2 (en) | Concentration measuring device | |
| CN201835319U (en) | On-line detecting device for building reclaimed water | |
| CN109205852A (en) | A kind of intelligence water process regulator control system | |
| CN204330692U (en) | Based on the on-line monitoring device of integrated photovoltaic substation transformer | |
| CN210775408U (en) | Compatibility tester | |
| CN210051719U (en) | Automatic on-line detection device for crude oil hydrogen sulfide | |
| CN209342148U (en) | A kind of oxygen candle gas on-line measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20191126 Termination date: 20211015 |