CN208297506U - Moisture on-line monitors system in a kind of oil liquid - Google Patents
Moisture on-line monitors system in a kind of oil liquid Download PDFInfo
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- CN208297506U CN208297506U CN201820905628.XU CN201820905628U CN208297506U CN 208297506 U CN208297506 U CN 208297506U CN 201820905628 U CN201820905628 U CN 201820905628U CN 208297506 U CN208297506 U CN 208297506U
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Abstract
The utility model relates to moisture on-lines in a kind of oil liquid to monitor system, which includes the bypass of oil circulation, on-Line Monitor Device and Long-Range Surveillance Unit；The oil circulation bypass includes oil inlet pipe, flowline, filter, oil liquid delivery pump, three-way valve and four way valve；The on-Line Monitor Device includes oil conservator, temperature sensor, moisture transducer, sewage draining valve, emptying valve, drier and data processing display device, and the bypass of oil circulation and on-Line Monitor Device are installed in parallel with working connection；Oil liquid in working connection is passed through four way valve from oil inlet pipe by certain flow rate and pressure by oil liquid delivery pump, it send by filter to reservoir, and the sensor by wherein installing carries out the detection of moisture and temperature, oil sample after detection returns to working connection by three-way valve and flowline by top duct；Detection data is handled and is shown by data processing system on the spot, and is transmitted to Long-Range Surveillance Unit.
Description
Technical field
The utility model belongs to the technical field of oil monitoring, in particular to moisture on-line monitors system in a kind of oil liquid.
Background technique
Lubricating oil, hydraulic oil are used in power plant's transformer oil, Large steam turbine and other ancillary equipments.Oil is being
Play the role of lubrication, insulation, heat dissipation and power transmitting in system.When oil liquid is by moisture contamination, system corrosion and acceleration will cause
Oil quality deterioration aggravates the yield of waste oil；The performance of equipment is seriously affected simultaneously, in some instances it may even be possible to will cause major accident.Therefore,
Oil product diagnosis, equipment running status implement monitoring and circular economy sustainable development when realizing quick, the accurate detection of water content in oil
The inevitable requirement of exhibition.
Currently, water content in oil detection is divided into offline inspection and on-line checking.Offline inspection mainly includes the way of distillation, gas
Method, gas chromatography and coulomb method etc. require periodically to sample, not only analyze it is time-consuming, and acquire, transport oil sample in may
Cause the variation of micro-water content in oil, to cause measurement result inconsistent with virtual condition.On-line checking presses sensor type
It is divided into condenser type, resistance-type, resonant mode, optical profile type and limit current type, it can be achieved that the implementation of water content in oil monitors；Existing calibration
Specification carries out off-line calibration to humidity sensor using standard humidity generator.Due to laboratory investment reference conditions with actually make
It is differed greatly with environment and medium, and total system is not calibrated, therefore laboratory investment result is fitted in on-line detecting system
It is poor with property.Therefore, moisture on-line monitoring system in a kind of oil liquid of new achievable on-line calibration is had studied.
The content of the present invention
To solve the above-mentioned problems, the utility model proposes moisture on-line monitoring systems in a kind of oil liquid, it can be achieved that online
Calibration and monitoring, and then the accuracy of oil liquid moisture measurement can be improved.
Particular content is as follows: moisture on-line monitors system in a kind of oil liquid, it is characterized in that: the system includes that oil circulation is other
Road, on-Line Monitor Device and Long-Range Surveillance Unit；The oil circulation bypass is defeated including oil inlet pipe, flowline, filter, oil liquid
Send pump, three-way valve and four way valve；The on-Line Monitor Device includes oil conservator, temperature sensor, moisture transducer, row
Dirty valve, emptying valve, drier and data processing display device；
One end of the oil inlet pipe is connect with working connection, and the other end of oil inlet pipe is connected to the A of four way valve mouth, four-way
The C mouth of valve is connected to by pipe-and-filter, and filter is connected to by pipeline with oil liquid delivery pump, and oil liquid delivery pump passes through pipe
Road is connected to oil conservator, and temperature sensor and moisture transducer are installed on oil conservator, and oil conservator upper end passes through pipeline and three
The G mouth of port valve door is connected to, and the E mouth of three-way valve is connected to one end of flowline, and the other end of flowline is connected to working connection, and three
The F mouth of port valve door is connected to the D of four way valve mouth by short circuit.
Preferably, the temperature sensor and moisture transducer are connect with data processing display device, and described is remote
Journey monitoring arrangement is connect by wireless signal with oil liquid delivery pump, data processing display device.
Preferably, inlet is used in side one calibration of setting of the oil conservator.
Preferably, the lower end of the oil conservator is connected to a sewage draining valve, and the upper end of oil conservator and emptying valve connect
Logical, the upper end for emptying valve is connected to one end of drier, the other end and air communication of drier.
Preferably, the B mouth of the four way valve is inserted into sump tank by pipeline, and the lower end of sewage draining valve passes through pipeline
It is also inserted into sump tank.
Preferably, for the filter using the stainless (steel) wire or ceramic filter of not adsorption moisture, moisture transducer can
Using condenser type, resistance-type, resonant mode, optical profile type or limit current type.
The utility model beneficial effect
Moisture on-line monitors system in a kind of oil liquid, which includes the bypass of oil circulation, on-Line Monitor Device and long-range prison
View apparatus；The oil circulation bypass includes oil inlet pipe, flowline, filter, oil liquid delivery pump, three-way valve and four-way valve
Door；The on-Line Monitor Device includes oil conservator, temperature sensor, moisture transducer, sewage draining valve, emptying valve, drying
Device and data processing display device, the bypass of oil circulation and on-Line Monitor Device are installed in parallel with working connection；Oil liquid delivery pump presses one
Constant current speed and pressure by the oil liquid in working connection from oil inlet pipe by four way valve, send by filter to reservoir, and by it
The sensor of middle installation carries out the detection of moisture and temperature, and the oil sample after detection by three-way valve and is gone out by top duct
Oil pipe returns to working connection；Detection data is handled and is shown by data processing display device on the spot, and is transmitted to long-range monitoring
Device.The utility model can carry out the moisture in on-line monitoring oil liquid, and can carry out total system calibration, ensure that monitoring result
Authenticity, compared with the existing technology in the monitoring device device monitoring error it is smaller, more adaptable, on-line monitoring more may be used
It leans on.
Detailed description of the invention
Fig. 1 is the overall structure diagram that moisture on-line monitors system in a kind of oil liquid；
1. working connections, 2. oil inlet pipes, 3. four way valves, 4. sump tanks, 5. filters, 6. oil liquid suction pumps, 7. rows in figure
Dirty valve, 8. oil conservators, 9. data processing display devices, 10. temperature sensors, 11. moisture transducers, 12. calibration injections
Mouth, 13. emptying valves, 14. driers, 15. three-way valves, 16, flowline.
Specific embodiment
Case study on implementation one
Referring to Fig. 1, moisture on-line monitors system in a kind of oil liquid, which includes the bypass of oil circulation, on-Line Monitor Device
And Long-Range Surveillance Unit；The described oil circulation bypass include oil inlet pipe, flowline, filter, oil liquid delivery pump, three-way valve and
Four way valve；The on-Line Monitor Device includes oil conservator, temperature sensor, moisture transducer, sewage draining valve, exhaust-valve
Door, drier and data processing display device；
One end of the oil inlet pipe is connect with working connection, and working connection is that oil liquid to be measured flows through path, oil inlet pipe it is another
One end is connected to the A of four way valve mouth, and the C mouth of four way valve is connected to by pipe-and-filter, and filter passes through pipeline and oil
The connection of liquid delivery pump, oil liquid delivery pump are connected to by pipeline with oil conservator, and temperature sensor and moisture transducer are installed in storage
On oily device, temperature sensor uses contact, for correcting the sensor parameters varied with temperature and oily parameter, and then to water
Real-time testing result is divided to carry out temperature-compensating, oil conservator upper end is connected to by pipeline with the G of three-way valve mouth, the E of three-way valve
Mouth is connected to one end of flowline, and the other end of flowline is connected to working connection, the F mouth of three-way valve and the D mouth of four way valve
It is connected to by short circuit.
The temperature sensor and moisture transducer is connect with data processing display device, data processing display device
Data acquisition, temperature-compensating calculating, unit conversion, self calibration, data display storage and remote transmission can be carried out, described is long-range
Monitoring arrangement is connect by wireless signal with oil liquid delivery pump, data processing display device, and Long-Range Surveillance Unit can show oil liquid
The data that delivery pump operating parameter, data processing display device transmit, and data can be stored.
The oil conservator has the function of centainly storing oil liquid, makes oil sample within the scope of reasonable flow rate, guarantee enough
Oil sample residence time and the response of stable sensor, the side of oil conservator are arranged a calibration inlet, when calibration, using note
Emitter is injected a sample into reservoir by inlet.
The lower end of the oil conservator is connected to a sewage draining valve, will be in system by sewage draining valve after calibration
Oil sample empties；The upper end of oil conservator is connected to emptying valve, and the upper end for emptying valve is connected to one end of drier, drier
The other end and air communication, the effect for emptying valve and drier are to be communicated with the atmosphere, and keep oil extraction smooth, and prevent in air
Moisture enters on-line monitoring system.
The B mouth of the four way valve is inserted into sump tank by pipeline, and the lower end of sewage draining valve is also inserted by pipeline
In sump tank.
The filter retains in oil 3 μm below using the stainless (steel) wire or ceramic filter of not adsorption moisture
Grain object, avoids its influence to the normal operation of sensor in oil liquid delivery pump and on-line equipment, electricity can be used in moisture transducer
Appearance formula, resistance-type, resonant mode, optical profile type or limit current type.
Case study on implementation two
Moisture on-line monitoring system operation is divided into two real-time monitoring, calibration states in the utility model oil liquid.
1. real-time monitoring
E mouthfuls and G mouthfuls openings of three-way valve in oil circulation bypass, A mouthfuls and C mouthfuls openings of four way valve, three-way valve and four-way
Remaining valve port of valve is turned off, and empties valve and sewage draining valve is closed, oil liquid delivery pump puts into operation.As shown in Figure 1, working connection
Middle oil sample by four way valve, by filter, is pumped to reservoir by oil liquid delivery pump from oil inlet pipe, and by wherein installing
Temperature sensor and moisture transducer carry out the detection of temperature and moisture respectively, and the oil sample after detection is passed through by top duct
Three-way valve and flowline return in working connection；Detection data by data processing display device on the spot after processing and display,
And it is transmitted to Long-Range Surveillance Unit.
2. calibration
(1 calibration prepares
Pipeline between four way valve and three-way valve is become filled with to the state of oil.
E mouthfuls and F mouthfuls openings of three-way valve in oil circulation bypass, D mouthfuls and B mouthfuls openings of four way valve, three-way valve and four-way
Remaining valve port of valve is turned off, and empties valve and sewage draining valve is turned off, oil liquid conveys pump shutdown.As shown in Figure 1, main oil
Oil sample is entered in sump tank from flowline by the B mouth of three-way valve, short circuit and four way valve by gravity in road,
Air in short circuit is discharged oil sample, and calibration is entered after after oil stream flushing pipe 1min and closing all valve doorways.
(2) in calibration
G mouthfuls and F mouthfuls openings of three-way valve in oil circulation bypass, D mouthfuls and C mouthfuls openings of four way valve, three-way valve and four-way
Remaining valve port of valve is turned off, and empties valve and sewage draining valve is turned off, at this point, fuel reserve tank, three-way valve, four-way valve
Door, filter, oil liquid delivery pump and between connecting pipe composition calibration access.
After the demineralized water for injecting known quality with inlet by calibration, oil liquid delivery pump puts into operation, as shown in Figure 1, storage
Oil sample successively three-way valve, short circuit, four way valve and filter, pump through oil liquid delivery pump, are back to reservoir in device.
It stops transport after oil liquid conveying pump operation 1-2min, the detection of moisture and temperature, testing number is carried out by the sensor installed in reservoir
It is handled and is shown according to by data processing display device on the spot, and be transmitted to Long-Range Surveillance Unit.
Correction value is calculated according to the show value of moisture concentration in the oil sample of calibration front and back, and adjusts data processing display dress
The parameter set, so that the testing result difference of moisture concentration is equal to theoretical difference in the oil sample of calibration front and back.
Calibrate calculation formula:
(1)
(2)
(3)
In formula:
Δρ--- assigned temperature t0Under, moisture concentration correction value, mg/L in real-time detection oil sample；
Δρ s--- assigned temperature t0Under, the theoretical difference of moisture concentration, mg/L in the oil sample of calibration front and back；
Δρ 0--- assigned temperature t0Under, the testing result difference of moisture concentration, mg/L in the oil sample of calibration front and back；
ρ s--- assigned temperature t0Under, moisture concentration, mg/L in oil sample when calibration；
ρ--- assigned temperature t0Under, moisture concentration, mg/L in oil sample when real-time monitoring；
m--- when calibration, inject the desalination water quality of fuel reserve tank, mg；
V--- total circulation volume of calibration access, L.
(3) restore to implement monitoring
G mouthfuls and F mouthfuls openings of three-way valve in oil circulation bypass, D mouthfuls and C mouthfuls openings of four way valve, three-way valve and four-way
Remaining valve port of valve is turned off, and sewage draining valve and emptying valve are opened.As shown in Figure 1, oil sample in reservoir passes through storage
The sewage draining valve of storage bottom is discharged in sump tank；Oil liquid delivery pump puts into operation, and the sample oil in other pipelines is conveyed by oil liquid
After being pumped to reservoir, it is discharged by sewage draining valve.After oil sample in system empties, closes sewage draining valve and empty valve, three
Remaining valve port of E mouthfuls and G mouthfuls openings of port valve door, A mouthfuls and C mouthfuls openings of four way valve, three-way valve and four way valve is turned off,
Restore real-time monitoring.
Claims (6)
1. in a kind of oil liquid moisture on-line monitor system, it is characterized in that: the system include oil circulation bypass, on-Line Monitor Device and
Long-Range Surveillance Unit；The oil circulation bypass includes oil inlet pipe, flowline, filter, oil liquid delivery pump, three-way valve and four
Port valve door；The on-Line Monitor Device include oil conservator, temperature sensor, moisture transducer, sewage draining valve, emptying valve,
Drier and data processing display device；
One end of the oil inlet pipe is connect with working connection, and the other end of oil inlet pipe is connected to the A of four way valve mouth, four way valve
C mouth be connected to by pipe-and-filter, filter be connected to by pipeline with oil liquid delivery pump, oil liquid delivery pump pass through pipeline and
Oil conservator connection, temperature sensor and moisture transducer are installed on oil conservator, and oil conservator upper end passes through pipeline and triple valve
The G mouth connection of door, the E mouth of three-way valve are connected to one end of flowline, and the other end of flowline is connected to working connection, triple valve
The F mouth of door is connected to the D of four way valve mouth by short circuit.
2. moisture on-line monitors system in a kind of oil liquid according to claim 1, it is characterized in that: the temperature sensor
It is connect with data processing display device with moisture transducer, the Long-Range Surveillance Unit is conveyed by wireless signal and oil liquid
Pump, the connection of data processing display device.
3. moisture on-line monitors system in a kind of oil liquid according to claim 1, it is characterized in that: the side of the oil conservator
Face is arranged a calibration and uses inlet.
4. moisture on-line monitors system in a kind of oil liquid according to claim 1, it is characterized in that: under the oil conservator
End is connected to a sewage draining valve, and the upper end of oil conservator is connected to emptying valve, empties the upper end of valve and one end of drier
Connection, the other end and air communication of drier.
5. moisture on-line monitors system in a kind of oil liquid according to claim 1, it is characterized in that: the four way valve
B mouthfuls are inserted into sump tank by pipeline, and the lower end of sewage draining valve is also inserted into sump tank by pipeline.
6. moisture on-line monitors system in a kind of oil liquid according to claim 1, it is characterized in that: the filter uses
Condenser type, resistance-type, resonant mode, optical profile type does not can be used in the stainless (steel) wire or ceramic filter of adsorption moisture, moisture transducer
Or limit current type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820905628.XU CN208297506U (en) | 2018-06-12 | 2018-06-12 | Moisture on-line monitors system in a kind of oil liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820905628.XU CN208297506U (en) | 2018-06-12 | 2018-06-12 | Moisture on-line monitors system in a kind of oil liquid |
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| CN208297506U true CN208297506U (en) | 2018-12-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108764A (en) * | 2019-05-24 | 2019-08-09 | 山东滨化东瑞化工有限责任公司 | The online monitoring system and method for water content in a kind of trichloro ethylene desorber reflux material |
| CN111060535A (en) * | 2019-12-12 | 2020-04-24 | 湖南航天磁电有限责任公司 | Ferrite molding ground paste moisture content on-line measuring system |
| CN112748750A (en) * | 2020-12-23 | 2021-05-04 | 深圳市亚泰光电技术有限公司 | Oil online measurement and control system |
-
2018
- 2018-06-12 CN CN201820905628.XU patent/CN208297506U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108764A (en) * | 2019-05-24 | 2019-08-09 | 山东滨化东瑞化工有限责任公司 | The online monitoring system and method for water content in a kind of trichloro ethylene desorber reflux material |
| CN111060535A (en) * | 2019-12-12 | 2020-04-24 | 湖南航天磁电有限责任公司 | Ferrite molding ground paste moisture content on-line measuring system |
| CN111060535B (en) * | 2019-12-12 | 2022-09-23 | 湖南航天磁电有限责任公司 | Ferrite molding ground paste moisture content on-line measuring system |
| CN112748750A (en) * | 2020-12-23 | 2021-05-04 | 深圳市亚泰光电技术有限公司 | Oil online measurement and control system |
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