CN206974941U - A kind of multi-functional pure water electrical conductivity and pH detection means - Google Patents
A kind of multi-functional pure water electrical conductivity and pH detection means Download PDFInfo
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- CN206974941U CN206974941U CN201720685872.5U CN201720685872U CN206974941U CN 206974941 U CN206974941 U CN 206974941U CN 201720685872 U CN201720685872 U CN 201720685872U CN 206974941 U CN206974941 U CN 206974941U
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- valve
- water
- conductivity
- detection means
- electrical conductivity
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 239000001257 hydrogen Substances 0.000 claims abstract description 72
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 72
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 40
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000008676 import Effects 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 5
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003729 cation exchange resin Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 34
- 238000007599 discharging Methods 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 238000001139 pH measurement Methods 0.000 description 5
- 238000004176 ammonification Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 239000012498 ultrapure water Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a kind of multi-functional pure water electrical conductivity and pH detection means, and it is used for the electrical conductivity, hydrogen conductivity and the pH value that detect aqueous vapor sample.Detection means includes：Hydrogen exchange column, its import set water intaking valve one, outlet to set draining valve one, and hydrogen exchange column receives aqueous vapor sample by water intaking valve one；Conductivity meter, its import set water intaking valve two, outlet to set draining valve two, and conductivity meter receives aqueous vapor sample by water intaking valve two.Hydrogen exchange column goes out moisture two-way, the water inlet of conductivity meter also divides two-way, the communicated drainage of the water outlet all the way valve one of hydrogen exchange column, the another way water outlet of hydrogen exchange column is communicated to the water inlet all the way of conductivity meter and pipeline is provided with water intaking valve three, the another way water inlet connection water intaking valve two of conductivity meter.The utility model can solve the technical problem that same detection means can complete electrical conductivity in steam sample, hydrogen conductivity and pH value measurement.
Description
Technical field
It the utility model is related to a kind of steam sample on-line measurement device of power industry and other industry, more particularly to one
Kind multi-functional pure water electrical conductivity and pH detection means.
Background technology
Electrical conductivity, hydrogen conductivity and the pH value of steam sample are important control parameters.Wherein, electrical conductivity is steam sample
The concentrated expression index of middle conductive ion；And hydrogen conductivity is to eliminate the cation in steam sample, and anion is changed
It is main to reflect corrosivity anion-content in steam for the electrical conductivity of steam sample after corresponding acid；In pH reflection steam samples
Hydrogen ion concentration, pH=-lg [H+] i.e. contained hydrogen ion concentration common logarithm negative value, represent the numerical value of solution acid alkalinity.
It is electrical conductivity, hydrogen conductivity and pH parameters in measurement steam sample, it is necessary to set conductivity meter, hydrogen conductivity instrument and pH simultaneously
Instrument, cost input is higher, and maintenance is larger.
Utility model content
In view of this, the utility model provides a kind of multi-functional pure water electrical conductivity and pH detection means, and it can solve same
Detection means can complete the technical problem of electrical conductivity in steam sample, hydrogen conductivity and pH value measurement.
Solution of the present utility model is：A kind of multi-functional pure water electrical conductivity and pH detection means, it is used to detect water
Electrical conductivity, hydrogen conductivity and the pH value of gas sample product；The detection means includes：Hydrogen exchange column, its import set water intaking valve one, gone out
Mouth setting draining valve one, hydrogen exchange column pass through water intaking valve one and receive aqueous vapor sample；Conductivity meter, its import setting water intaking valve two,
Outlet sets draining valve two, and conductivity meter receives aqueous vapor sample by water intaking valve two；Wherein, hydrogen exchange column goes out moisture two-way,
The water inlet of conductivity meter also divides two-way, the communicated drainage of the water outlet all the way valve one of hydrogen exchange column, and the another way water outlet of hydrogen exchange column connects
Pass to the water inlet all the way of conductivity meter and pipeline is provided with water intaking valve three, the another way water inlet connection water intaking valve two of conductivity meter.
As the further improvement of such scheme, storng-acid cation exchange resin is installed in hydrogen exchange column.
As the further improvement of such scheme, hydrogen exchange column keeps water flowing state.
As the further improvement of such scheme, water intaking valve one, draining valve one are hand-operated valve.
Further, water intaking valve two, draining valve two are hand-operated valve.
Yet further, water intaking valve three is hand-operated valve.
As the further improvement of such scheme, water intaking valve one, draining valve one are that electronics stirs valve.
Further, water intaking valve two, draining valve two are that electronics stirs valve.
Yet further, water intaking valve three is that electronics stirs valve.
Preferably, it is electromagnetic valve that electronics, which stirs valve,.
Multi-functional pure water electrical conductivity and pH detection means of the present utility model have the following advantages that：
(1) electrical conductivity, hydrogen conductivity and pH detection function are realized using a conductivity meter and hydrogen exchange column；
(2) present apparatus greatly reduces the cost investment of in-line meter, reduces the operation of line service and instrument
Cost；
(3) during electrical conductivity is measured, hydrogen exchange column keeps water flowing state, it is therefore prevented that because discontinuity water flowing is to hydrogen electricity
The influence of conductance measurement；
(4) present apparatus overcomes high purity water pH measurements and the problem of disturbing factor is more, and measurement error is big be present, utilizes the present apparatus
The conductivity values of measurement, by theoretical calculation so as to drawing the pH value of steam sample.
Brief description of the drawings
Fig. 1 is the multi-functional pure water electrical conductivity and pH detection dresses for the pure manually operated that the utility model embodiment 1 provides
The structural representation put.
Fig. 2 is the multi-functional pure water electrical conductivity and pH detection dresses for the fully-automatic intelligent formula that the utility model embodiment 2 provides
The structural representation put.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Multi-functional pure water electrical conductivity and pH detection means of the present utility model are used to detect the electrical conductivity of aqueous vapor sample, hydrogen electricity
Conductance and pH value, so as to realize multifunctional measuring, while cycle time is to the electrical conductivity of ammonification pure water, hydrogen conductivity and pH
Measurement.
Embodiment 1
Referring to Fig. 1, detection means mainly includes hydrogen exchange column 1, conductivity meter 2, and coordinate some water intaking valves and draining
Valve realizes three kinds of functional measurements of same detection means, i.e.,：Electrical conductivity, hydrogen conductivity and the pH value measurement of aqueous vapor sample.
The import of hydrogen exchange column 1 sets water intaking valve 1, and exports and set draining valve 1, and hydrogen exchange column 1 passes through water inlet
Valve 1 receives aqueous vapor sample.The import of conductivity meter 2 sets water intaking valve 2 21, outlet to set draining valve 2 22, and conductivity meter 2 leads to
Cross water intaking valve 2 21 and receive aqueous vapor sample.
Hydrogen exchange column 1 goes out moisture two-way, and the water inlet of conductivity meter 2 also divides two-way, the connection of water outlet all the way of hydrogen exchange column 1
Draining valve 1, the another way water outlet of hydrogen exchange column 1 is communicated to the water inlet all the way of conductivity meter 2 and pipeline is provided with water intaking valve three
3, the another way water inlet connection water intaking valve 2 21 of conductivity meter 2.
Installation storng-acid cation exchange resin, can remove the cation in steam sample, realize hydrogen in hydrogen exchange column 1
The measurement of electrical conductivity, hydrogen exchange column 1 keep water flowing state during conductivity measurement, can switch seamlessly to hydrogen conductivity survey
Amount process, avoid the problem of discontinuity water flowing of hydrogen exchange column 1 causes measurement data delay and accuracy difference.Therefore hydrogen exchange column 1
Water flowing state is kept, is prevented because measured value fluctuates caused by water flowing again after it is cut off the water supply.
Valve of the present utility model can use hand-operated valve, and when in use, operator can for the detection means of the present embodiment
Detection means is operated according to operational manual, so as to realize the electrical conductivity of aqueous vapor sample, hydrogen conductivity and the survey of pH value
Amount.Operating procedure is as follows：
(1) inlet valve 1 and water discharging valve 1 are opened successively, hydrogen exchange column 1 is put into operation；Open successively into
Penstock 2 21 and water discharging valve 2 22, make conductivity meter 2 put into operation；Close inlet valve 33.Now conductivity meter 2 is aobvious
Show the electrical conductivity SC of measurement water sample1；
(2) after time cycle of operation t, inlet valve 2 21 is closed successively, opens inlet valve 33, closes water discharging valve
2 12, now water sample, which flows through, enters conductivity meter 2 after hydrogen exchange column 1, the hydrogen conductivity CC of the display measurement water sample of conductivity meter 21；
(3) after time cycle of operation t, water discharging valve 2 12 and inlet valve 2 21 are opened successively, and close inlet valve
33, the electrical conductivity SC of the now display of conductivity meter 2 measurement water sample2, complete an electrical conductivity and the measurement period of hydrogen conductivity.
The μ S/cm of the hydrogen conductivity of ammonia pure water≤0.15.
After i measurement period, pHiAccording to the conductivity values SC of measurementiIt is calculated, calculation formula pHi=
8.566+lgSCi, and can also realize SCi、CCiAnd pHiThe transporting function of measurement data signals.
Multi-functional pure water electrical conductivity and pH detection means of the present utility model, in view of the two of hydrogen conductivity instrument and conductivity meter
Secondary meter section is consistent, simply increases a hydrogen exchange column, therefore using some valves, handed over using a conductivity meter and hydrogen
Monitored while changing hydrogen conductivity and conductivity parameters in post performance period；And due to pH meters measurement pure water exist interference because
The problem of element is more, and measurement error is big, for ammonification characteristic in electricity power enterprise's steam, there is a theorem in ammonification pure water conductivity with pH
By corresponding relation, pH value can be calculated according to online conductivity value is surveyed, so as to be exchanged using a conductivity meter and hydrogen
Post realizes the on-line monitoring of three kinds of data.
Multi-functional pure water electrical conductivity and pH detection means of the present utility model have the following advantages that：
(1) electrical conductivity, hydrogen conductivity and pH detection function are realized using a conductivity meter and hydrogen exchange column；
(2) present apparatus greatly reduces the cost investment of in-line meter, reduces the operation of line service and instrument
Cost；
(3) during electrical conductivity is measured, hydrogen exchange column keeps water flowing state, it is therefore prevented that because discontinuity water flowing is to hydrogen electricity
The influence of conductance measurement；
(4) present apparatus overcomes high purity water pH measurements and the problem of disturbing factor is more, and measurement error is big be present, utilizes the present apparatus
The conductivity values of measurement, by theoretical calculation so as to drawing the pH value of steam sample.
Embodiment 2
Referring to Fig. 2, the multi-functional pure water electrical conductivity and the multi-functional pure water of pH detection means and embodiment 1 of the present embodiment
Electrical conductivity and pH detection means are essentially identical, and its difference is：The multi-functional pure water electrical conductivity and pH detection means of embodiment 1 be
Purely manual formula detection means, and the multi-functional pure water electrical conductivity of embodiment 2 and pH detection means are fully-automatic intelligent formula detection dresses
Put.
The multi-functional pure water electrical conductivity and pH detection means of embodiment 1 are all artificial according to operational manual in detection
Manipulation valve realizes multi-functional detection, and manual operation can have certain error in the control of time after all.Therefore, embodiment
2 multi-functional pure water electrical conductivity and pH detection means adds the control system of valve, realizes the fully-automatic intelligent formula behaviour to valve
Control, so as to improve accuracy of detection.
The multi-functional pure water electrical conductivity and pH detection means of embodiment 2, its valve used are that electronics stirs valve, such as electricity
Magnet valve door.The control system includes following rate-determining steps：
(1) control system controls successively opens inlet valve 1 and water discharging valve 1, puts into hydrogen exchange column 1
Operation；Inlet valve 2 21 and water discharging valve 2 22 are opened in control successively, conductivity meter 2 is put into operation；Close inlet valve
33.The now display of conductivity meter 2 measurement water sample electrical conductivity SC1；
(2) after time cycle of operation t, the control system controls successively closes inlet valve 2 21, opens inlet valve
33, water discharging valve 2 12 is closed, now water sample enters conductivity meter 2, the display measurement water of conductivity meter 2 after flowing through hydrogen exchange column 1
The hydrogen conductivity CC of sample1；
(3) after time cycle of operation t, the control system opens water discharging valve 2 12 and inlet valve 2 21 successively, and
Inlet valve 33 is closed, the electrical conductivity SC of the now display of conductivity meter 2 measurement water sample2, complete an electrical conductivity and hydrogen conductivity
Measurement period.
(4)pHiAccording to the conductivity values SC of measurementiIt is calculated, calculation formula pHi=8.566+lgSCi。
pHiAccording to the conductivity values SC of measurementiIt is calculated, calculation formula pHi=8.566+lgSCi, calculating process
Complete in the controls, and SC can be realizedi、CCiAnd pHiThe transporting function of measurement data signals.Therefore, control system is passed through
Valve is automatically controlled, ammonification pure water hydrogen conductivity, electrical conductivity and pH measurement are realized within cycle time.
In addition, detection means is connected with control system, the signal teletransmission of detection means can be realized, and steam sample will be surveyed
The conductivity value of product by being calculated as pH value automatically, is realized and referred in ipc monitor hydrogen conductivity, electrical conductivity and pH tri- in real time
Mark.Periodicity monitoring and controlling is realized by control system.
Multi-functional pure water electrical conductivity and pH detection means of the present utility model have the following advantages that：
(1) electrical conductivity, hydrogen conductivity and pH detection function are realized using a conductivity meter and hydrogen exchange column；
(2) present apparatus greatly reduces the cost investment of in-line meter, reduces the operation of line service and instrument
Cost；
(3) during electrical conductivity is measured, hydrogen exchange column keeps water flowing state, it is therefore prevented that because discontinuity water flowing is to hydrogen electricity
The influence of conductance measurement；
(4) present apparatus has signal transporting function, can carry out Real Time Observation to online monitoring data in host computer；
(5) present apparatus overcomes high purity water pH measurements and the problem of disturbing factor is more, and measurement error is big be present, utilizes the present apparatus
The conductivity values of measurement, by theoretical calculation so as to drawing the pH value of steam sample.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of multi-functional pure water electrical conductivity and pH detection means, its be used to detecting the electrical conductivity of aqueous vapor sample, hydrogen conductivity and
PH value；It is characterized in that：The detection means includes：
Hydrogen exchange column (1), its import set water intaking valve one (11), outlet to set draining valve one (12), and hydrogen exchange column (1) is by entering
Water valve one (11) receives aqueous vapor sample；
Conductivity meter (2), its import set water intaking valve two (21), outlet to set draining valve two (22), and conductivity meter (2) is by entering
Water valve two (21) receives aqueous vapor sample；
Wherein, hydrogen exchange column (1) goes out moisture two-way, and the water inlet of conductivity meter (2) also divides two-way, hydrogen exchange column (1) is all the way
Water outlet communicated drainage valve one (12), the another way water outlet of hydrogen exchange column (1) are communicated to water inlet all the way and the pipeline of conductivity meter (2)
It is provided with water intaking valve three (3), the another way water inlet connection water intaking valve two (21) of conductivity meter (2).
2. multi-functional pure water electrical conductivity as claimed in claim 1 and pH detection means, it is characterised in that：In hydrogen exchange column (1)
Storng-acid cation exchange resin is installed.
3. multi-functional pure water electrical conductivity as claimed in claim 1 and pH detection means, it is characterised in that：Hydrogen exchange column (1) is protected
Hold water flowing state.
4. multi-functional pure water electrical conductivity as claimed in claim 1 and pH detection means, it is characterised in that：Water intaking valve one (11),
Draining valve one (12) is hand-operated valve.
5. multi-functional pure water electrical conductivity as claimed in claim 4 and pH detection means, it is characterised in that：Water intaking valve two (21),
Draining valve two (22) is hand-operated valve.
6. multi-functional pure water electrical conductivity as claimed in claim 5 and pH detection means, it is characterised in that：Water intaking valve three (3) is
Hand-operated valve.
7. multi-functional pure water electrical conductivity and pH detection means as described in claim 1 or 4, it is characterised in that：Water intaking valve one
(11), draining valve one (12) is that electronics stirs valve.
8. multi-functional pure water electrical conductivity as claimed in claim 7 and pH detection means, it is characterised in that：Water intaking valve two (21),
Draining valve two (22) is that electronics stirs valve.
9. multi-functional pure water electrical conductivity as claimed in claim 8 and pH detection means, it is characterised in that：Water intaking valve three (3) is
Electronics stirs valve.
10. multi-functional pure water electrical conductivity as claimed in claim 9 and pH detection means, it is characterised in that：It is equal that electronics stirs valve
For electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685872.5U CN206974941U (en) | 2017-06-13 | 2017-06-13 | A kind of multi-functional pure water electrical conductivity and pH detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685872.5U CN206974941U (en) | 2017-06-13 | 2017-06-13 | A kind of multi-functional pure water electrical conductivity and pH detection means |
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| Publication Number | Publication Date |
|---|---|
| CN206974941U true CN206974941U (en) | 2018-02-06 |
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ID=61407843
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|---|---|---|---|
| CN201720685872.5U Expired - Fee Related CN206974941U (en) | 2017-06-13 | 2017-06-13 | A kind of multi-functional pure water electrical conductivity and pH detection means |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060887A (en) * | 2018-06-30 | 2018-12-21 | 神华国华广投（柳州）发电有限责任公司 | A kind of hydrogen conductance manual measurement method |
| CN110487849A (en) * | 2019-09-10 | 2019-11-22 | 华能国际电力股份有限公司 | A kind of multi-parameter water quality measuring system and method |
| CN111735855A (en) * | 2020-07-31 | 2020-10-02 | 华能国际电力股份有限公司日照电厂 | Method, system, device and readable medium for acquiring pH value of cold water in generator |
| CN114428105A (en) * | 2021-12-16 | 2022-05-03 | 华能南京燃机发电有限公司 | Device and method for detecting multiple indexes of water vapor of gas turbine power station |
-
2017
- 2017-06-13 CN CN201720685872.5U patent/CN206974941U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060887A (en) * | 2018-06-30 | 2018-12-21 | 神华国华广投（柳州）发电有限责任公司 | A kind of hydrogen conductance manual measurement method |
| CN110487849A (en) * | 2019-09-10 | 2019-11-22 | 华能国际电力股份有限公司 | A kind of multi-parameter water quality measuring system and method |
| CN111735855A (en) * | 2020-07-31 | 2020-10-02 | 华能国际电力股份有限公司日照电厂 | Method, system, device and readable medium for acquiring pH value of cold water in generator |
| CN114428105A (en) * | 2021-12-16 | 2022-05-03 | 华能南京燃机发电有限公司 | Device and method for detecting multiple indexes of water vapor of gas turbine power station |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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