CN213398297U - Power plant steam-water sampling frame hydrogen conductivity meter - Google Patents
Power plant steam-water sampling frame hydrogen conductivity meter Download PDFInfo
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- CN213398297U CN213398297U CN202022351021.1U CN202022351021U CN213398297U CN 213398297 U CN213398297 U CN 213398297U CN 202022351021 U CN202022351021 U CN 202022351021U CN 213398297 U CN213398297 U CN 213398297U
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- cation exchanger
- conductivity
- conductivity meter
- regeneration
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Abstract
The utility model discloses a hydrogen conductivity meter of a steam-water sampling frame of a power plant, a multi-channel continuous electric regeneration cation exchanger integrated device comprises a housing case and a plurality of continuous electric regeneration cation exchangers arranged in the housing case, wherein, one continuous electric regeneration cation exchanger corresponds to one detection branch circuit, the detection branch circuit comprises an electric conductivity electrode and an electric conductivity meter, a water sample inlet is arranged on the continuous electric regeneration cation exchanger, a water sample outlet of the continuous electric regeneration cation exchanger is communicated with an inlet of the electric conductivity electrode, an outlet of the electric conductivity electrode is communicated with a regeneration inlet of the continuous electric regeneration cation exchanger, a regeneration outlet is arranged on the continuous electric regeneration cation exchanger, the electric conductivity electrode is connected with the electric conductivity meter, the hydrogen conductivity meter can realize continuous measurement of hydrogen conductivity, and has the advantages of small occupied space and small maintenance difficulty.
Description
Technical Field
The utility model belongs to the technical field of the electricity generation, a soda sample frame hydrogen conductivity meter of power plant is related to.
Background
The steam-water sampling frame is key equipment for the centralized planning design and the centralized water vapor sampling of the on-line chemical instruments of the power plant, and the design and the layout of the dial plate of the steam-water sampling frame affect the maintenance workload of the later-stage operation maintenance personnel on various on-line chemical instruments. The hydrogen conductivity meter is an online chemical meter with the largest quantity arranged on the steam-water sampling frame, each steam-water sampling frame is provided with 8-12 sets of hydrogen conductivity meters according to different design schemes, and the occupied space of the hydrogen conductivity meters is the largest compared with other online chemical meters. Therefore, the design and layout of the hydrogen conductivity meter on the steam-water sampling frame greatly determine the aesthetic degree, the practical degree and the later maintenance workload of the whole design.
At present, the traditional online hydrogen conductivity meter is adopted in domestic steam-water sampling frames, and the design scheme has the following problems:
1) the hydrogen conductivity meter used a conventional cation exchange resin column. Traditional cation exchange resin post realizes hydrogen conductivity measurement through install cation exchange resin additional in the cylinder and replace cation in the water sample, and this kind of resin post progressively loses efficacy along with practical, needs the manual work to take out the resin after becoming invalid and regenerates or change, and it is faster if quality of water becomes poor the resin post inefficacy. The traditional hydrogen conductivity measurement method cannot ensure the monitoring continuity, and particularly, when the unit is started, the resin column with poor water quality is easy to lose efficacy, so that the analysis and judgment of the water quality condition of the unit at the initial operation stage are inconvenient.
2) The hydrogen conductivity meter adopts cation exchange resin column with larger volume. Ion exchange resin column is cylindrical design, and in addition the design of business turn over water pipeline, general occupation space is great, and general soda sample frame is all concentrated the arranging at soda sample frame back with ion exchange resin column for pleasing to the eye design. Because the occupied space is large, the overhaul and maintenance personnel can only enter the steam-water sampling frame through a narrow passage to maintain the online chemical instrument, and the working difficulty of the maintenance personnel is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a soda sample frame hydrogen conductivity table of power plant, this hydrogen conductivity table can realize the continuous measurement to hydrogen conductivity, and occupation space is little simultaneously to it is little to maintain the degree of difficulty.
In order to achieve the purpose, the hydrogen conductivity meter of the steam-water sampling frame of the power plant comprises a multi-channel continuous electric regeneration cation exchanger integrated device, a plurality of detection branches and a power supply device for supplying electric energy;
the multi-channel continuous electrically-regenerated cation exchanger integrated equipment comprises a shell case and a plurality of continuous electrically-regenerated cation exchangers arranged in the shell case, wherein one continuous electrically-regenerated cation exchanger corresponds to one detection branch, each detection branch comprises a conductivity electrode and a conductivity meter, a water sample inlet is formed in each continuous electrically-regenerated cation exchanger, a water sample outlet of each continuous electrically-regenerated cation exchanger is communicated with an inlet of the conductivity electrode, an outlet of the conductivity electrode is communicated with a regeneration inlet of each continuous electrically-regenerated cation exchanger, a regeneration outlet is formed in each continuous electrically-regenerated cation exchanger, and each conductivity electrode is connected with the conductivity meter.
The conductivity electrode is connected with a conductivity meter through a signal wire.
And the display is connected with the conductivity meter.
The utility model discloses following beneficial effect has:
when the hydrogen conductivity meter of the steam water sampling frame of the power plant is operated specifically, a plurality of continuous electric regeneration cation exchangers are integrated in the same shell header, compared with the traditional cation exchange resin column, the hydrogen conductivity meter effectively saves the space of the steam water sampling frame, meanwhile, when the device works, a water sample firstly enters the continuous electric regeneration cation exchanger to replace cations and then enters the conductivity electrode to measure the conductivity, then the water is electrolyzed in a continuous electric regeneration cation exchanger, hydrogen ions generated by the electrolyzed water regenerate the resin in the continuous electric regeneration cation exchanger to realize replacement and regeneration, so as to realize the continuous measurement of the hydrogen conductivity, improve the accuracy of the hydrogen conductivity measurement of the water vapor system of the power plant, meanwhile, the accurate measurement of the hydrogen conductivity is completed without manual intervention, and various problems of the traditional cation exchange resin column are solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a conductivity meter, 2 is a conductivity electrode, 3 is a continuous electric regeneration cation exchanger, 4 is a water sample inlet, 5 is a water sample outlet, 6 is a regeneration inlet, 7 is a regeneration outlet, 8 is a multi-channel continuous electric regeneration cation exchanger integrated device, and 9 is a power supply device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the hydrogen conductivity meter of the steam-water sampling rack of the power plant of the present invention includes a multi-channel continuous electrical regeneration cation exchanger integrated device 8, a plurality of detection branches and a power supply device 9 for supplying electrical energy; the multi-channel continuous electric regeneration cation exchanger integrated equipment 8 comprises a housing case and a plurality of continuous electric regeneration cation exchangers 3 arranged in the housing case, wherein one continuous electric regeneration cation exchanger 3 corresponds to one detection branch, the detection branch comprises an electric conductivity electrode 2 and an electric conductivity meter 1, a water sample inlet 4 is arranged on the continuous electric regeneration cation exchanger 3, a water sample outlet 5 of the continuous electric regeneration cation exchanger 3 is communicated with an inlet of the electric conductivity electrode 2, an outlet of the electric conductivity electrode 2 is communicated with a regeneration inlet 6 of the continuous electric regeneration cation exchanger 3, a regeneration outlet 7 is arranged on the continuous electric regeneration cation exchanger 3, and the electric conductivity electrode 2 is connected with the electric conductivity meter 1.
The conductivity electrode 2 is connected to the conductivity meter 1 through a signal line.
The utility model discloses still include the display that is connected with conductivity meter 1.
The utility model discloses a concrete working process does:
the method comprises the following steps that an on-site water sample enters a continuous electric regeneration cation exchanger 3 through a water sample inlet 4, cations are replaced in the continuous electric regeneration cation exchanger 3, the water sample after cation replacement enters a conductivity electrode 2 through a water sample outlet 5 for conductivity measurement, then enters the continuous electric regeneration cation exchanger 3 through a regeneration inlet 6 for electrolysis to generate hydrogen ions, and then is discharged through a regeneration outlet 7, wherein the produced hydrogen ions are used for resin regeneration of the continuous electric regeneration cation exchanger 3;
the conductivity electrode 2 inputs the measured conductivity into the conductivity meter 1, the conductivity meter 1 compensates the measured conductivity according to a built-in nonlinear temperature compensation curve to obtain the conductivity of the field water sample, and then the conductivity of the field water sample is sent to a user side and displayed through a display.
It should be noted that the circuit for replacing cations in the water sample in the continuously electrically regenerated cation exchanger 3 is independently separated from the electrolysis circuit of the water sample, so as to achieve the purpose of regeneration while using, and ensure that the continuously electrically regenerated cation exchanger 3 has the capability of replacing cations in the water sample all the time.
The utility model discloses assemble a plurality of continuous electricity regeneration cation exchanger 3 in same shell machine incasement to form multichannel continuous electricity regeneration cation exchanger integrated equipment 8, then concentrate the power supply through power supply unit 9, because continuous electricity regeneration cation exchanger 3's volume is less, single set of equipment only accounts for 1/3 of traditional cation exchange resin column volume, will many sets of make up the back further installation space that optimizes the space and can save on-the-spot soda sample frame only 3/4.
The utility model can improve the measurement accuracy of the hydrogen conductivity meter of the power plant water vapor system and realize the continuous on-line monitoring of the hydrogen conductivity meter in the real sense; meanwhile, the design space of the ponding sampling frame is effectively saved, the sampling frame is favorable for distributing more other online chemical instruments, and the difficulty in maintaining the instruments by field instrument maintainers is reduced. In addition, the resin column is maintained without manual intervention, the labor cost of field operation maintenance personnel is saved, acid waste liquid discharge is avoided, the method is more environment-friendly than the traditional method, and the environmental protection requirement of power plant operation is met.
Claims (3)
1. A power plant steam-water sampling frame hydrogen conductivity meter is characterized by comprising a multi-channel continuous electric regeneration cation exchanger integrated device (8), a plurality of detection branches and a power supply device (9) for supplying electric energy;
the multi-channel continuous electric regeneration cation exchanger integrated equipment (8) comprises a housing case and a plurality of continuous electric regeneration cation exchangers (3) arranged in the housing case, wherein one continuous electric regeneration cation exchanger (3) corresponds to one detection branch, the detection branch comprises a conductivity electrode (2) and a conductivity meter (1), a water sample inlet (4) is formed in each continuous electric regeneration cation exchanger (3), a water sample outlet (5) of each continuous electric regeneration cation exchanger (3) is communicated with an inlet of the conductivity electrode (2), an outlet of the conductivity electrode (2) is communicated with a regeneration inlet (6) of each continuous electric regeneration cation exchanger (3), a regeneration outlet (7) is formed in each continuous electric regeneration cation exchanger (3), and each conductivity electrode (2) is connected with the conductivity meter (1).
2. The power plant steam-water sampling frame hydrogen conductivity meter according to claim 1, characterized in that the conductivity electrode (2) is connected with the conductivity meter (1) through a signal line.
3. The power plant steam-water sampling frame hydrogen conductivity meter according to claim 1, characterized by further comprising a display connected with the conductivity meter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022351021.1U CN213398297U (en) | 2020-10-20 | 2020-10-20 | Power plant steam-water sampling frame hydrogen conductivity meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022351021.1U CN213398297U (en) | 2020-10-20 | 2020-10-20 | Power plant steam-water sampling frame hydrogen conductivity meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213398297U true CN213398297U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022351021.1U Active CN213398297U (en) | 2020-10-20 | 2020-10-20 | Power plant steam-water sampling frame hydrogen conductivity meter |
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| CN (1) | CN213398297U (en) |
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