CN205861163U - A kind of deaerator level measurement apparatus - Google Patents
A kind of deaerator level measurement apparatus Download PDFInfo
- Publication number
- CN205861163U CN205861163U CN201620728449.4U CN201620728449U CN205861163U CN 205861163 U CN205861163 U CN 205861163U CN 201620728449 U CN201620728449 U CN 201620728449U CN 205861163 U CN205861163 U CN 205861163U
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- China
- Prior art keywords
- measurement apparatus
- wave radar
- oxygen
- liquid level
- level gauge
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Links
- 238000005259 measurement Methods 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000523 sample Substances 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000007405 data analysis Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013386 optimize process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a kind of deaerator level measurement apparatus, including single-compartment balance container and guide wave radar liquid level gauge, described single-compartment balance container and guide wave radar liquid level gauge are connected with oxygen-eliminating device respectively, and described single-compartment balance container and guide wave radar liquid level gauge measure the water level of oxygen-eliminating device respectively.Deaerator level measurement apparatus of the present utility model, include traditional single-compartment balance container and the high guide wave radar liquid level gauge of degree of accuracy, traditional single-compartment balance container has detection and the advantage of good stability in real time, and guide wave radar liquid level gauge has the advantage that measurement water level accuracy is high, in this utility model, both the advantage water level jointly to oxygen-eliminating device is utilized to detect the accuracy that improve measurement result.
Description
Technical field
This utility model relates to thermal power plant's deaerator level protection field, especially a kind of deaerator level measurement apparatus.
Background technology
Deaerator level is the control parameter that thermal power plant is important, and deaerator level is the highest to be easily caused steam turbine and enter
Water, the lowest feed pump net positive suction head that also easily causes of water level reduces.The most most thermal power plants use traditional three
Redundancy single-compartment balance container carries out deaerator level measurement, uses multiple stage redundancy liquid-level switch to realize the high/low guarantor of deaerator level
Protect.
But, during reality uses, single-compartment balance container measurement error is relatively big, and liquid-level switch fault rate is higher and floor space
Greatly, the inconvenience of online treatment fault, totally unfavorable to regulation and protection system.
In view of this special proposition this utility model.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, it is provided that a kind of deaerator level is surveyed
Amount device, utilizes the advantage of single-compartment balance container and guide wave radar liquid level gauge jointly to measure water level, to improve water
The accuracy the most not unstability of position detection is qualitative.
For solving above-mentioned technical problem, the basic conception of the technical solution adopted in the utility model is:
A kind of deaerator level measurement apparatus, including single-compartment balance container and guide wave radar liquid level gauge, described single chamber balances
Container and guide wave radar liquid level gauge are connected with oxygen-eliminating device respectively, and described single-compartment balance container and guide wave radar liquid level gauge are measured respectively
The water level of oxygen-eliminating device.
Preferably, described deaerator level measurement apparatus also includes the measuring cylinder being connected with oxygen-eliminating device, described guided wave
Radar level gauge is arranged in measuring cylinder.
Preferably, described measuring cylinder open top, the vapour side draw sample that the barrel upper weld of measuring cylinder is connected with oxygen-eliminating device
Pipe, the lateral water sampling tube that the barrel lower weld of measuring cylinder is connected with oxygen-eliminating device.
Preferably, described guide wave radar liquid level gauge includes gauge outfit and guided wave bar, and described guided wave bar is by measuring cylinder open top
Place inserts in measuring cylinder, and in the fixing connection of measuring cylinder opening part.
Preferably, described guided wave pole length is not less than the height of oxygen-eliminating device.
Preferably, between at the bottom of the described free end of guided wave bar and the cylinder of measuring cylinder, there is gap.
Preferably, the height in described gap is not less than 25mm.
Preferably, described single-compartment balance container includes that at least two, described guide wave radar liquid level gauge include one.
Preferably, described single-compartment balance container and guide wave radar liquid level gauge are respectively connecting to control device.
Preferably, described single-compartment balance container connects differential pressure transmitter, the control device described in differential pressure transmitter connection.
After using technique scheme, this utility model compared with prior art has the advantages that
1, deaerator level measurement apparatus of the present utility model, includes traditional single-compartment balance container and degree of accuracy is high
Guide wave radar liquid level gauge, traditional single-compartment balance container has in real time detection and an advantage of good stability, and guided wave radar liquid level
Meter has measures the advantage that water level accuracy is high, in this utility model, utilizes both advantages jointly to enter the water level of oxygen-eliminating device
Row detection improves the accuracy of measurement result.
2, this utility model is by using guide wave radar liquid level gauge to eliminate oxygen-eliminating device liquid-level switch, reduces water level protection
The fault rate of system.
3, in this utility model, testing result to single-compartment balance container and guide wave radar liquid level gauge carries out data acquisition also
Comprehensively analyzed by data analysis module, data structure is optimized process, eliminate single-measurement mode inaccurate
Defect so that the work that oxygen-eliminating device is safe and reliable.
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing, as the part of the application, is used for providing being further understood from of the present utility model, this utility model
Schematic description and description be used for explaining this utility model, but do not constitute improper restriction of the present utility model.Obviously,
Accompanying drawing in describing below is only some embodiments, to those skilled in the art, is not paying creative labor
On the premise of Dong, it is also possible to obtain other accompanying drawings according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the schematic diagram of deaerator level measurement apparatus of the present utility model；
In figure: 1, oxygen-eliminating device；2, single-compartment balance container；3, guide wave radar liquid level gauge；4, measuring cylinder；41, vapour side probe tube；
42, lateral water sampling tube；5, data acquisition module；6, differential pressure transmitter；7, data analysis module；8, device is controlled.
It should be noted that these accompanying drawings and word describe and are not intended as limiting design of the present utility model by any way
Scope, but be that those skilled in the art illustrate concept of the present utility model by reference specific embodiment.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in embodiment, and following example are used for illustrating this
Utility model, but it is not limited to scope of the present utility model.
In description of the present utility model, it should be noted that term " on ", D score, " interior ", the orientation of the instruction such as " outward "
Or position relationship is based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplification is retouched
State rather than indicate or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.For this
For the those of ordinary skill in field, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
Deaerator level measurement apparatus structural representation shown in Figure 1, including single-compartment balance container 2 and guided wave radar
Liquidometer 3, described single-compartment balance container 2 and guide wave radar liquid level gauge 3 be connected with oxygen-eliminating device 1 respectively, described single-compartment balance container 2
With the water level that guide wave radar liquid level gauge 3 measures oxygen-eliminating device respectively.Described deaerator level measurement apparatus also include one with oxygen-eliminating device 1
The measuring cylinder 4 being connected, described guide wave radar liquid level gauge 3 is installed in measuring cylinder 4.
The open top of described measuring cylinder 4, the vapour side probe tube 41 that barrel upper weld is connected with oxygen-eliminating device, barrel bottom is welded
Connect the lateral water sampling tube 42 being connected with oxygen-eliminating device.Described guide wave radar liquid level gauge includes gauge outfit and guided wave bar, described guided wave bar by
Measuring cylinder top open part inserts in measuring cylinder 4, and fixes at measuring cylinder opening part, it is preferred that described guided wave bar passes through screw thread
Or flange is connected with measuring cylinder, at the bottom of described guided wave masthead end and measuring cylinder cylinder, have certain space, it is preferred that described space away from
From not less than 25mm, concrete, deaerator level measurement apparatus of the present utility model includes two single-compartment balance containers and altogether
Individual guide wave radar liquid level gauge.
In order to meet the detection that deaerator level is carried out gamut, guide wave radar liquid level gauge 3 described in the present embodiment
Guided wave pole length and oxygen-eliminating device matched, to carry out gamut measurement to water level in oxygen-eliminating device.
Traditional single-compartment balance container has detection in real time and the advantage of good stability, and guide wave radar liquid level gauge has survey
The amount high advantage of water level accuracy, in this utility model, utilizes both the advantage water level jointly to oxygen-eliminating device to carry out detection and carries
The accuracy of high measurement result does not the most lose the stability during measurement simultaneously.
Described single-compartment balance container connects differential pressure transmitter 6, described differential pressure transmitter 6 and guide wave radar liquid level gauge 3 respectively
Connecting a control device 8 by cable, described control device 8 includes that data acquisition module 5, described data acquisition module 5 are adopted
Collection is to from single-compartment balance container and the signal of guide wave radar liquid level gauge.Described control device 8 also includes a data analysis module
7, described data analysis module 7 receives the data message of data acquisition module 5, and data are carried out integrated treatment.Preferably, institute
The method choice stated during three data that data acquisition module 5 transmission comes are selected by data analysis module 7 goes out numerical value conduct
Deaerator level signal, certain, as further optimizing, it is contemplated that the measurement numerical stability of single-compartment balance container, but knot
Really accuracy is general, and but the measurement result accuracy of guide wave radar liquid level gauge is high is susceptible to measured value larger fluctuation and is forbidden
The data of data analysis module 7 can be processed and be optimized, when measurement result and the single chamber of guide wave radar liquid level gauge by true problem
When the measurement result of equalizing reservoir differs greatly, then give up the result of calculation of guide wave radar liquid level gauge, two numerical value of residue are entered
The calculating of row average and using result as the final water level signal of oxygen-eliminating device, and when guide wave radar liquid level gauge measurement result with
When the measurement result of single-compartment balance container is more or less the same, then using the measurement result of guide wave radar liquid level gauge as final oxygen-eliminating device water
Position signal, because the measurement result of guided wave radar is the most accurate.
The above is only preferred embodiment of the present utility model, not makees this utility model any pro forma
Limit, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any familiar
The technical staff of this patent is in the range of without departing from technical solutions of the utility model, when the technology contents of available above-mentioned prompting is made
Go out a little change or be modified to the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solutions of the utility model,
Any simple modification, equivalent variations and the modification made above example according to technical spirit of the present utility model, the most still belongs to
In the range of this utility model scheme.
Claims (10)
1. a deaerator level measurement apparatus, it is characterised in that include single-compartment balance container and guide wave radar liquid level gauge, described
Single-compartment balance container and guide wave radar liquid level gauge are connected with oxygen-eliminating device respectively, described single-compartment balance container and guide wave radar liquid level gauge
Measure the water level of oxygen-eliminating device respectively.
Deaerator level measurement apparatus the most according to claim 1, it is characterised in that also include being connected with oxygen-eliminating device
Measuring cylinder, described guide wave radar liquid level gauge is arranged in measuring cylinder.
Deaerator level measurement apparatus the most according to claim 2, it is characterised in that described measuring cylinder open top, surveys
The vapour side probe tube that the barrel upper weld of graduated cylinder is connected with oxygen-eliminating device, the barrel lower weld of measuring cylinder is connected with oxygen-eliminating device
Lateral water sampling tube.
Deaerator level measurement apparatus the most according to claim 3, it is characterised in that described guide wave radar liquid level gauge includes
Gauge outfit and guided wave bar, described guided wave bar is inserted in measuring cylinder by measuring cylinder top open part, and fixing even at measuring cylinder opening part
Connect.
Deaerator level measurement apparatus the most according to claim 4, it is characterised in that described guided wave pole length is not less than removing
The height of oxygen device.
Deaerator level measurement apparatus the most according to claim 5, it is characterised in that the free end of described guided wave bar and survey
Between at the bottom of the cylinder of graduated cylinder, there is gap.
Deaerator level measurement apparatus the most according to claim 6, it is characterised in that the height in described gap is not less than
25mm。
Deaerator level measurement apparatus the most according to claim 6, it is characterised in that described single-compartment balance container includes
At least two, described guide wave radar liquid level gauge includes one.
Deaerator level measurement apparatus the most according to claim 8, it is characterised in that described single-compartment balance container and leading
Ripple radar level gauge is respectively connecting to control device.
Deaerator level measurement apparatus the most according to claim 9, it is characterised in that described single-compartment balance container connects
Differential pressure transmitter, the control device described in differential pressure transmitter connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620728449.4U CN205861163U (en) | 2016-07-11 | 2016-07-11 | A kind of deaerator level measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620728449.4U CN205861163U (en) | 2016-07-11 | 2016-07-11 | A kind of deaerator level measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205861163U true CN205861163U (en) | 2017-01-04 |
Family
ID=57646733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620728449.4U Expired - Fee Related CN205861163U (en) | 2016-07-11 | 2016-07-11 | A kind of deaerator level measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205861163U (en) |
-
2016
- 2016-07-11 CN CN201620728449.4U patent/CN205861163U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 |