CN209102481U - A kind of sodium table status monitoring device - Google Patents
A kind of sodium table status monitoring device Download PDFInfo
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- CN209102481U CN209102481U CN201821372280.9U CN201821372280U CN209102481U CN 209102481 U CN209102481 U CN 209102481U CN 201821372280 U CN201821372280 U CN 201821372280U CN 209102481 U CN209102481 U CN 209102481U
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Abstract
The utility model belongs to power station on-line chemical monitoring instrument signal processing technology field, and in particular to a kind of sodium table status monitoring device；It include: that sampling valve is connected with other valve, flowmeter and calibration valve in turn from the bottom to top；The calibration valve is connect with diffuser, and is arranged in alkalizing agent bottle；Alkalizing agent bottle connects measuring cup；Measuring cup connects transmitter, and the transmitter is also connected with air pump and overflow cup；The overflow cup, measuring cup are separately connected with catch basin；The other valve is connect with overflow cup.The utility model be used to solve sodium table at the scene in use because the start and stop state of make-up water preparation system change frequently trigger it is useless the technical issues of outranging warning message.
Description
Technical field
The utility model belongs to power station on-line chemical monitoring instrument signal processing technology field, and in particular to a kind of sodium table status prison
Survey device.
Background technique
Sodium ion is one of the index that emphasis monitors in the water chemistry monitor system of power station, certain nuclear power station make up water treatment system
It needs to be monitored Na ion concentration, to guarantee that the water quality indicator for process system is met the requirements.Existing make-up water preparation
System uses intermittent duty mode, carries out water processed or stoppage in transit according to unit demand.When water manufacturing system is stopped transport, one side sample introduction stream
Great changes have taken place when amount relatively operates normally, and instrument measurement numerical value also correspondingly generates relatively large deviation；On the other hand, instrument measurement cup
Interior liquid level is insufficient, and under air pump purging, sodium ion electrode surface is in alternation of wetting and drying variable condition, causes measured value to have larger
Fluctuation, more than the alarm limits of instrument, is frequent in master control room monitoring screen and outranges alarm.And in system shutdown state
Under, such no practical significance of alarm, the alarm frequently occurred can influence in master control ASD picture brush screen instead and interference manipulates
The normal monitoring of member and operation.If move back fortune instrument manually, but there are the response time slow (move back fortune and come into operation not in time), put into operation just
The too long problem of phase instrument unavailable time.Therefore it is above-mentioned for solving to need to design a modified sodium table status monitoring device
Problem.
Utility model content
The utility model aim is to provide a kind of sodium table status monitoring device in view of the above shortcomings of the prior art, for solving
Certainly sodium table useless outranges warning message because the start and stop state of make-up water preparation system changes frequently to trigger in use at the scene
The technical issues of.
The technical solution of the utility model is:
A kind of sodium table status monitoring device, comprising: sampling valve is connected with other valve, flowmeter and calibration in turn from the bottom to top
Valve；The calibration valve is connect with diffuser, and is arranged in alkalizing agent bottle；Alkalizing agent bottle connects measuring cup；Measuring cup connects
Transmitter is connect, the transmitter is also connected with air pump and overflow cup；The overflow cup, measuring cup connect with catch basin respectively
It connects；The other valve is connect with overflow cup.
Measuring electrode, reference electrode and temperature electrode are respectively arranged in measuring cup as described above.
Liquid-level switch, liquid-level switch contact, slide bar and magnetic float are additionally provided in overflow cup as described above；The overflow cup
Nuclear power station is also respectively connected and operates normally I&C system and transmitter.
Slide bar as described above is vertically set on inside overflow cup, and slide bar upper end, magnetic float is arranged in the liquid-level switch contact
It is arranged on slide bar, magnetic float floats up and down under buoyancy along slide bar.
Liquid-level switch as described above is integrated in the overflow cup in sampling valve downstream, and liquid-level switch contact is in normally open,
It is connected on instrument signal output line, overflow cup is mounted on the position higher than measuring cup.
The utility model has the following beneficial effects:
When water manufacturing system is in stoppage in transit or inspecting state, liquid level decline in overflow cup, triggering liquid-level switch disconnects, stops
Upload communication, will not frequently occur sodium ion in master control ASD transfinites value alarm, and channel failure alarm, operator only occurs in instrument
State in conjunction with current system is the warning reason that can determine whether instrument, does not influence normal monitoring.Fortune and the instrument that comes into operation are moved back with manual
It compares, a large amount of manpower and material resources costs can be saved, while also having many advantages, such as that the response time is fast, resetting time is short.
Detailed description of the invention
Fig. 1: being a kind of Na ion concentration table work flow diagram of sodium table status monitoring device designed by the utility model；
Fig. 2: being a kind of liquid-level switch wiring diagram of sodium table status monitoring device designed by the utility model；
Wherein, 1. sampling valve；2. side valve；3. flowmeter；4. demarcating valve；5. diffuser；6. alkalizing agent bottle；7. measurement
Cup；8. measuring electrode；9. reference electrode；10. temperature electrode；11. transmitter；12. air pump；13. catch basin；14. liquid level is opened
It closes；15. overflow cup；16. liquid-level switch contact；17. nuclear power station operates normally I&C system；18. magnetic float.
Specific embodiment
The utility model technology is described further below:
A kind of sodium table status monitoring device, comprising: sampling valve 1 is connected with other valve 2,3 and of flowmeter in turn from the bottom to top
Demarcate valve 4；The calibration valve 4 is connect with diffuser 5, and is arranged in alkalizing agent bottle 6；Alkalizing agent bottle 6 connects measuring cup
7；Measuring cup 7 connects transmitter 11, and the transmitter 11 is also connected with air pump 12 and overflow cup 15；The overflow cup 15 is surveyed
Measuring cup 7 is separately connected with catch basin 13；The other valve 2 is connect with overflow cup 15.
Measuring electrode 8, reference electrode 9 and temperature electrode 10 are respectively arranged in the measuring cup 7.
Liquid-level switch 14, liquid-level switch contact 16, slide bar and magnetic float 18 are additionally provided in the overflow cup 15；It is described
Overflow cup 15 is also respectively connected nuclear power station and operates normally I&C system 17 and transmitter 11.
The slide bar is vertically set on inside overflow cup 15, and slide bar upper end, magnetic float is arranged in the liquid-level switch contact 16
18 are arranged on slide bar, and magnetic float 18 floats up and down under buoyancy along slide bar.
The liquid-level switch 14 is integrated in the overflow cup 15 in 1 downstream of sampling valve, and liquid-level switch contact 16 is in normally opened shape
State is connected on instrument signal output line, and overflow cup 15 is mounted on the position higher than measuring cup 7.
A kind of operation method of sodium table status monitoring device as described above, water sample enter gauge internal pipe by sampling valve 1
Road flows through alkalization bottle 6 after other valve 2, flowmeter 3 adjust flow, enters measuring cup 7 after sample alkalization, air pump 12 is to survey
Amount pond in constantly blast bubble with stirred sample and cleaning 8 surface of measuring electrode, electrode system by the sodium in water sample to be measured from
Sub- concentration chemical signal is exported through transmitter 11 to monitoring screen after being converted to electric signal；
When 15 liquid level of overflow cup reach a certain height, liquid-level switch contact 16 is closed under 18 magneticaction of magnetic float；
When water manufacturing system operates normally, overflow cup 15, which is in, is full of overflow situation, and magnetic float 18 is close to liquid-level switch contact 16, liquid level
Switch contact 16 is closed under 18 magneticaction of magnetic float, and instrument signal normally exports to nuclear power station and operates normally I&C system
17, master control room ASD is normal, and display instrument currently measures indicating value；When water manufacturing system is stopped transport, sample introduction flow substantially reduces until disconnected
Stream, liquid level declines in overflow cup 15 at this time, and magnetic float 18 drops down onto overflow bottom of the tube, and two contacts of liquid-level switch disconnect, and instrument is stopped
Only output signal, master control room monitoring screen only exist channel failure warning note, to outrange report to the frequent shwoot of instrument
Police plays the role of automatic shield.
The utility model is explained in detail above in conjunction with embodiment, but the utility model is not limited to above-mentioned implementation
Example, within the knowledge of a person skilled in the art, can also be in the premise for not departing from the utility model aims
It is lower that various changes can be made.The content being not described in detail in the utility model can use the prior art.
Claims (5)
1. a kind of sodium table status monitoring device characterized by comprising sampling valve (1) is connected with other valve in turn from the bottom to top
(2), flowmeter (3) and calibration valve (4)；The calibration valve (4) connect with diffuser (5), and is arranged in alkalizing agent bottle (6)
It is interior；Alkalizing agent bottle (6) connects measuring cup (7)；Measuring cup (7) connects transmitter (11), and the transmitter (11) is also connected with
Air pump (12) and overflow cup (15)；The overflow cup (15), measuring cup (7) are separately connected with catch basin (13)；The side
Valve (2) is connect with overflow cup (15).
2. a kind of sodium table status monitoring device as described in claim 1, it is characterised in that: set respectively in the measuring cup (7)
It is equipped with measuring electrode (8), reference electrode (9) and temperature electrode (10).
3. a kind of sodium table status monitoring device as claimed in claim 2, it is characterised in that: also set up in the overflow cup (15)
There are liquid-level switch (14), liquid-level switch contact (16), slide bar and magnetic float (18)；Core is also respectively connected in the overflow cup (15)
Power station operates normally I&C system (17) and transmitter (11).
4. a kind of sodium table status monitoring device as claimed in claim 3, it is characterised in that: the slide bar is vertically set on overflow
Cup (15) is internal, and slide bar upper end is arranged in the liquid-level switch contact (16), and magnetic float (18) is arranged on slide bar, magnetic float (18)
It floats up and down under buoyancy along slide bar.
5. a kind of sodium table status monitoring device as claimed in claim 4, it is characterised in that: the liquid-level switch (14) is integrated in
In the overflow cup (15) in sampling valve (1) downstream, liquid-level switch contact (16) are in normally open, are connected on instrument signal output line
On, overflow cup (15) is mounted on the position higher than measuring cup (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372280.9U CN209102481U (en) | 2018-08-24 | 2018-08-24 | A kind of sodium table status monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821372280.9U CN209102481U (en) | 2018-08-24 | 2018-08-24 | A kind of sodium table status monitoring device |
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| Publication Number | Publication Date |
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| CN209102481U true CN209102481U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821372280.9U Active CN209102481U (en) | 2018-08-24 | 2018-08-24 | A kind of sodium table status monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956234A (en) * | 2018-08-24 | 2018-12-07 | 江苏核电有限公司 | A kind of sodium table status monitoring device and its operation method |
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2018
- 2018-08-24 CN CN201821372280.9U patent/CN209102481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956234A (en) * | 2018-08-24 | 2018-12-07 | 江苏核电有限公司 | A kind of sodium table status monitoring device and its operation method |
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