CN106840786A - A kind of online low concentration chlorine analysis system - Google Patents
A kind of online low concentration chlorine analysis system Download PDFInfo
- Publication number
- CN106840786A CN106840786A CN201710257538.4A CN201710257538A CN106840786A CN 106840786 A CN106840786 A CN 106840786A CN 201710257538 A CN201710257538 A CN 201710257538A CN 106840786 A CN106840786 A CN 106840786A
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- CN
- China
- Prior art keywords
- chlorine analysis
- chlorine
- analysis system
- semicircle
- low concentration
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- 239000000460 chlorine Substances 0.000 title claims abstract description 79
- 229910052801 chlorine Inorganic materials 0.000 title claims abstract description 79
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000004458 analytical method Methods 0.000 title claims abstract description 52
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 38
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000005070 sampling Methods 0.000 claims abstract description 26
- 239000004809 Teflon Substances 0.000 claims abstract description 19
- 229920006362 Teflon® Polymers 0.000 claims abstract description 19
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 30
- 239000010410 layer Substances 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 210000002850 nasal mucosa Anatomy 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to chlorine analysis field, more particularly to a kind of online low concentration chlorine analysis system.Its technical scheme is：A kind of online low concentration chlorine analysis system, including polytetrafluoroethylene (PTFE) sampling line, teflon seal joint is installed, sampling valve, sampling pump, moisture trap, impurity removal means, certificated valve, chlorine analysis machine that teflon seal joint is sequentially connected away from one end of polytetrafluoroethylene (PTFE) sampling line by polytetrafluoroethylene (PTFE) conveyance conduit on polytetrafluoroethylene (PTFE) sampling line；The gas chamber of chlorine analysis machine uses polytetrafluoroethylmaterial material, it is to avoid absorption influences on measurement.The invention provides a kind of chlorine analysis system that accurate measurement can be carried out to low concentration chlorine, solve the problems, such as that existing chlorine analysis system can adsorb chlorine, sealing difference and cause chlorine measured value relatively low.
Description
Technical field
The present invention relates to chlorine analysis field, more particularly to a kind of online low concentration chlorine analysis system.
Background technology
In Chemical Manufacture, the purposes of chlorine is quite varied.Chlorine is a kind of gas with extremely strong chemical affinity, chlorine
Gas can be combustion-supporting, after chlorine is with many material mixings, can corrode container, or even set off an explosion.Meanwhile, the chlorine under normality is one
Plant hypertoxic gas, the respiratory tract and eye schneiderian membrane of energy intense stimulus people, or even threat to life.Aborning in order to prevent accident
There is and ensure the personal safety of operating personnel, it is necessary to be monitored on-line to the chlorine gas concentration in environment.
For example, it is necessary to detected to the chlorine gas concentration of tail gas in titanium white chloride production, to ensure the tail gas energy of discharge
Enough reach discharge standard.In present exhaust gas analysis system, using stainless steel pipeline, connector, analysis chamber typically to adopt pipeline more
Use stainless steel material.Because stainless steel has adsorptivity to chlorine, in the chlorine analysis measurement of low concentration, pipeline, connector
After being adsorbed to chlorine so that the concentration of chlorine further declines, and causes analytical equipment to measure or cannot accurately measure,
Measured chlorine content can be reduced.In chlorine analysis, often need to dismount pipeline, therefore, the sealing of connector
Property cannot be guaranteed, at present, the still connector for chlorine analysis without easy disassembly and good airproof performance.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of chlorine point that accurate measurement can be carried out to low concentration chlorine
Analysis system, solves the problems, such as that existing chlorine analysis system can adsorb chlorine, sealing difference and cause chlorine measured value relatively low.
To solve above-mentioned technical problem, the present invention uses following technical scheme：
A kind of online low concentration chlorine analysis system, including polytetrafluoroethylene (PTFE) sampling line, polytetrafluoroethylene (PTFE) sampling line
On teflon seal joint is installed, teflon seal joint passes through away from one end of polytetrafluoroethylene (PTFE) sampling line
Sampling valve, sampling pump, moisture trap, impurity removal means, certificated valve, chlorine that polytetrafluoroethylene (PTFE) conveyance conduit is sequentially connected
Analysis machine；The gas chamber of chlorine analysis machine uses polytetrafluoroethylmaterial material, it is to avoid absorption influences on measurement.
Used as preferred scheme of the invention, the teflon seal joint includes sealing male and sealing female, close
Slot and snap fit tabs are respectively arranged with the outer circumference surface for sealing male, sealing female includes semicircle connector, semicircle connection
Slot and snap fit tabs are provided with the inner peripheral surface of head, the snap fit tabs of slot and semicircle connector in sealing male
Engaging, the snap fit tabs for sealing male engage with the slot of semicircle connector；Semicircle capping, half are also associated with sealing male
Slot and snap fit tabs are provided with the inner peripheral surface of circle capping, the slot engaging with semicircle is covered in sealing male is convex
Engaging is played, the slot that the snap fit tabs of sealing male are covered with semicircle engages；Semicircle connector and semicircle cover combination Cheng Yuan
Sleeve is threaded with ring, semicircle connector and semicircle capping.
Used as preferred scheme of the invention, the moisture trap includes cylinder, be respectively arranged with cylinder air inlet and
Gas outlet, is fixed with cyclone pipe in cylinder, eddy flow spiral is provided with cyclone pipe, and the inner chamber of cyclone pipe connects with gas outlet, rotation
Exocoel between flow tube and cylinder is connected with air inlet, and cyclone pipe lower section is provided with afflux lid, and afflux lid is arranged in cylinder, cylinder
Body bottom is provided with discharge outlet, and cylinder body bottom is equipped with Seal Oil.
Used as preferred scheme of the invention, the impurity removal means include glass core filter bulb, in glass core filter bulb
It is provided with the filter layer of two and the above.
As preferred scheme of the invention, blowback lines, anti-blowpipe are also communicated with the polytetrafluoroethylene (PTFE) sampling line
Back-flushing valve is installed on line.
Used as preferred scheme of the invention, the discharge outlet of the moisture trap is connected with draining pump.
As preferred scheme of the invention, stability of flow is installed between the moisture trap and impurity removal means
Device, flow stabilizer is provided between certificated valve and chlorine analysis machine.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, pipeline of the invention, joint, the gas chamber of chlorine analysis machine use polytetrafluoroethylmaterial material, it is to avoid conventional
Stainless steel material situation about being adsorbed to chlorine, it is ensured that the stability of chlorine content, so as to ensure the standard of chlorine analysis
True property.Teflon seal joint energy fast assembling-disassembling, is easy to the use of chlorine analysis；The company of teflon seal joint
Connect reliability, it is ensured that sealing of the invention, it is ensured that chlorine analysis accuracy.
2nd, first engage semicircle connector in the sealing male of teflon seal joint, then semicircle is covered, most
Semicircle connector is connected to bush whorl and semicircle is covered, realize quick connection afterwards.Teflon seal joint can be fast
Speed connection, when facilitating chlorine analysis the need for, also, in sealing male there are slot and snap fit tabs simultaneously, be capable of achieving two
Place is tightly connected, it is ensured that sealed reliable.
3rd, when gas to be detected enters the cylinder of moisture trap from air inlet, gas is through eddy flow spiral from cyclone pipe bottom
Portion enters cyclone pipe, then from gas outlet outflow, during this, the moisture in gas can be collected and drop onto cylinder body bottom,
Realize gas-water separation.Water in conventional moisture trap causes a certain degree of absorption to chlorine, and air water of the invention divides
Afflux lid is provided with device, can exclusion of water and gas, absorption of the reduction water to chlorine.Cylinder body bottom is equipped with Seal Oil, sealing
Oil can thoroughly isolation be opened with gas by water, it is to avoid absorption of the water to chlorine, it is ensured that the stabilization of chlorine content.
4th, the multiple layers of filters in glass core filter bulb can fully be removed to impurity, by the thickness for reducing single layer filter layer
Ensure that gas passes through filter layer.
5th, before using the chlorine analysis system, first the chlorine analysis system is carried out blowing helium using blowback lines, is protected
Chlorine is free of in card chlorine analysis system, makes measured value during chlorine analysis more accurate.
6th, moisture trap connection draining pump the water of condensation can be taken away, be easy to moisture trap continue use.
7th, the gas flow that flow stabilizer can be in systems stabilisation.
Brief description of the drawings
Fig. 1 is arrangement schematic diagram of the invention；
Fig. 2 is the partial sectional view of teflon seal joint；
Structural representation when Fig. 3 is teflon seal joint non-installation sleeve；
Fig. 4 is the structural representation of moisture trap；
Fig. 5 is the structural representation of glass core filter bulb.
In figure, 1- polytetrafluoroethylene (PTFE) sampling lines, 2- teflon seal joints, 3- sampling valves, 4- sampling pumps, 5- gas
Separator, 6- impurity removal means, 7- certificated valves, 8- chlorine analysis machines, 9- blowback lines, 21- sealing males, 22- sealings
Female, the capping of 23- semicircles, 24- sleeves, 51- cylinders, 52- air inlets, 53- gas outlets, 54- cyclone pipes, 55- eddy flow spirals,
56- afflux lids, 57- discharge outlet, 58- draining pumps, 61- glass core filter bulbs, 62- filter layers, 91- back-flushing valves, 221- semicircles connect
Joint.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
Embodiment one
As shown in figure 1, the present invention includes polytetrafluoroethylene (PTFE) sampling line 1, it is provided with polytetrafluoroethylene (PTFE) sampling line 1 poly-
Tetrafluoroethene seal nipple 2, teflon seal joint 2 passes through polytetrafluoro away from one end of polytetrafluoroethylene (PTFE) sampling line 1
Sampling valve 3, sampling pump 4, moisture trap 5, impurity removal means 6, certificated valve 7, chlorine that ethene conveyance conduit is sequentially connected
Analysis machine 8；The gas chamber of chlorine analysis machine 8 uses polytetrafluoroethylmaterial material, it is to avoid absorption influences on measurement.
Pipeline of the invention, joint, the gas chamber of chlorine analysis machine 8 use polytetrafluoroethylmaterial material, it is to avoid conventional
Stainless steel material situation about being adsorbed to chlorine, it is ensured that the stability of chlorine content, so as to ensure the standard of chlorine analysis
True property.The energy fast assembling-disassembling of teflon seal joint 2, is easy to the use of chlorine analysis；Teflon seal joint 2
Connection is reliable, it is ensured that sealing of the invention, it is ensured that chlorine analysis accuracy.
Embodiment two
On the basis of embodiment one, as shown in Figures 2 and 3, the teflon seal joint 2 includes sealing male
21 and sealing female 22, it is respectively arranged with slot and snap fit tabs on the outer circumference surface for sealing male 21, sealing female 22 is wrapped
Semicircle connector 221 is included, slot and snap fit tabs is provided with the inner peripheral surface of semicircle connector 221, in sealing male 21
Slot engage with the snap fit tabs of semicircle connector 221, seal the card of snap fit tabs and the semicircle connector 221 of male 21
Close groove engaging；Sealing male 21 on be also associated with semicircle capping 23, semicircle capping 23 inner peripheral surface on be provided with slot and
Snap fit tabs, the slot in sealing male 21 engages with the snap fit tabs of semicircle capping 23, seals the snap fit tabs of male 21
Slot with semicircle capping 23 engages；Semicircle connector 221 and semicircle capping 23 are combined into annulus, the He of semicircle connector 221
Sleeve 24 is threaded with semicircle capping 23.
Semicircle connector 221 is first engaged in the sealing male 21 of teflon seal joint 2, then semicircle capping 23 is covered
On, finally it is threaded in semicircle connector 221 with sleeve 24 and semicircle is covered on 23, realize quick connection.Polytetrafluoroethylene (PTFE)
Seal nipple 2 can be connected quickly, when facilitating chlorine analysis the need for, also, in sealing male 21 there is slot and card simultaneously
Close raised, be capable of achieving to be tightly connected at two, it is ensured that sealed reliable.
Embodiment three
On the basis of embodiment one or embodiment two, as shown in figure 4, the moisture trap 5 includes cylinder 51, cylinder
It is respectively arranged with 51 in air inlet 52 and gas outlet 53, cylinder 51 and is fixed with cyclone pipe 54, eddy flow is provided with cyclone pipe 54
Spiral 55, the inner chamber of cyclone pipe 54 is connected with gas outlet 53, and the exocoel between cyclone pipe 54 and cylinder 51 is connected with air inlet 52,
The lower section of cyclone pipe 54 is provided with afflux lid 56, and afflux lid 56 is arranged in cylinder 51, and the bottom of cylinder 51 is provided with discharge outlet 57, cylinder
The bottom of body 51 is equipped with Seal Oil.
When gas to be detected enters the cylinder of moisture trap 5 from air inlet 52, gas is through eddy flow spiral 55 from eddy flow
The bottom of pipe 54 enters cyclone pipe 54, then is flowed out from gas outlet 53, and during this, the moisture in gas can be collected and drop onto
The bottom of cylinder 51, realizes gas-water separation.Water in conventional moisture trap 5 causes a certain degree of absorption to chlorine, and originally
Afflux lid 56 is provided with the moisture trap 5 of invention, can exclusion of water and gas, absorption of the reduction water to chlorine.The bottom of cylinder 51
Portion is equipped with Seal Oil, and Seal Oil can thoroughly completely cut off water and gas be opened, it is to avoid absorption of the water to chlorine, it is ensured that chlorine content it is steady
It is fixed.
Example IV
On the basis of above-mentioned any one embodiment, as shown in figure 5, the impurity removal means 6 include glass core
The filter layer 62 of two and the above is provided with filter bulb 61, glass core filter bulb 61.Multiple filtration in glass core filter bulb 61
Layer 62 can fully be removed to impurity, ensure that gas passes through filter layer 62 by the thickness for reducing single layer filter layer 62.
Embodiment five
On the basis of above-mentioned any one embodiment, anti-blowpipe is also communicated with the polytetrafluoroethylene (PTFE) sampling line 1
Line 9, installs back-flushing valve 91 in blowback lines 9.Before using the chlorine analysis system, 9 pairs of chlorine of blowback lines point are first used
Analysis system carries out blowing helium, it is ensured that chlorine is free of in chlorine analysis system, makes measured value during chlorine analysis more accurate.
Embodiment six
On the basis of above-mentioned any one embodiment, the discharge outlet 57 of the moisture trap 5 is connected with draining pump 58.
Moisture trap 5 connection draining pump 58 water of condensation can be taken away, be easy to moisture trap 5 continue use.
Embodiment seven
On the basis of above-mentioned any one embodiment, it is provided between the moisture trap 5 and impurity removal means 6
Flow stabilizer, flow stabilizer is provided between certificated valve 7 and chlorine analysis machine 8.Flow stabilizer energy being capable of systems stabilisation
Interior gas flow.
Claims (7)
1. a kind of online low concentration chlorine analysis system, it is characterised in that including polytetrafluoroethylene (PTFE) sampling line (1), polytetrafluoro
Teflon seal joint (2) is installed, teflon seal joint (2) is away from polytetrafluoro on ethene sampling line (1)
Sampling valve (3), sampling pump (4), air water that one end of ethene sampling line (1) is sequentially connected by polytetrafluoroethylene (PTFE) conveyance conduit
Separator (5), impurity removal means (6), certificated valve (7), chlorine analysis machine (8).
2. a kind of online low concentration chlorine analysis system according to claim 1, it is characterised in that the polytetrafluoroethylene (PTFE)
Seal nipple (2) includes sealing male (21) and sealing female (22), is respectively arranged with the outer circumference surface of sealing male (21)
Slot and snap fit tabs, sealing female (22) include semicircle connector (221), on the inner peripheral surface of semicircle connector (221)
Slot and snap fit tabs are provided with, the slot in sealing male (21) engages with the snap fit tabs of semicircle connector (221),
The snap fit tabs of sealing male (21) engage with the slot of semicircle connector (221)；Half is also associated with sealing male (21)
Circle capping (23), is provided with slot and snap fit tabs, the card in sealing male (21) on the inner peripheral surface of semicircle capping (23)
Close groove to engage with the snap fit tabs of semicircle capping (23), the snap fit tabs of sealing male (21) cover the slot of (23) with semicircle
Engaging；Semicircle connector (221) and semicircle capping (23) are combined into annulus, on semicircle connector (221) and semicircle capping (23)
It is threaded with sleeve (24).
3. a kind of online low concentration chlorine analysis system according to claim 1 and 2, it is characterised in that the air water point
Include cylinder (51) from device (5), air inlet (52) and gas outlet (53) are respectively arranged with cylinder (51), it is fixed in cylinder (51)
There is cyclone pipe (54), eddy flow spiral (55) be provided with cyclone pipe (54), the inner chamber of cyclone pipe (54) connects with gas outlet (53),
Exocoel between cyclone pipe (54) and cylinder (51) is connected with air inlet (52), and cyclone pipe (54) lower section is provided with afflux lid
(56), afflux lid (56) is arranged in cylinder (51), and cylinder (51) bottom is provided with discharge outlet (57), and cylinder (51) bottom is equipped with
Seal Oil.
4. a kind of online low concentration chlorine analysis system according to claim 3, it is characterised in that the Impurity removal dress
Putting (6) includes being provided with glass core filter bulb (61), glass core filter bulb (61) filter layer (62) of two and the above.
5. a kind of online low concentration chlorine analysis system according to claim 1, it is characterised in that the polytetrafluoroethylene (PTFE)
Blowback lines (9) are also communicated with sampling line (1), back-flushing valve (91) is installed in blowback lines (9).
6. a kind of online low concentration chlorine analysis system according to claim 3, it is characterised in that the moisture trap
(5) discharge outlet (57) is connected with draining pump (58).
7. a kind of online low concentration chlorine analysis system according to claim 1, it is characterised in that the moisture trap
(5) flow stabilizer is installed and impurity removal means (6) between, stream is installed between certificated valve (7) and chlorine analysis machine (8)
Amount stabilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257538.4A CN106840786A (en) | 2017-04-19 | 2017-04-19 | A kind of online low concentration chlorine analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257538.4A CN106840786A (en) | 2017-04-19 | 2017-04-19 | A kind of online low concentration chlorine analysis system |
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| Publication Number | Publication Date |
|---|---|
| CN106840786A true CN106840786A (en) | 2017-06-13 |
Family
ID=59147072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710257538.4A Pending CN106840786A (en) | 2017-04-19 | 2017-04-19 | A kind of online low concentration chlorine analysis system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996129A (en) * | 2021-09-16 | 2022-02-01 | 金川集团股份有限公司 | Preposed treatment device for residual chlorine absorption outer discharge sample gas |
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| 钱宏达 等: "《奥林匹克化学竞赛集训教材 初中版》", vol. 1, 知识出版社, pages: 95 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996129A (en) * | 2021-09-16 | 2022-02-01 | 金川集团股份有限公司 | Preposed treatment device for residual chlorine absorption outer discharge sample gas |
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