CN206410738U - A kind of wind and powder on-line population parameter monitoring system - Google Patents
A kind of wind and powder on-line population parameter monitoring system Download PDFInfo
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- CN206410738U CN206410738U CN201720088786.6U CN201720088786U CN206410738U CN 206410738 U CN206410738 U CN 206410738U CN 201720088786 U CN201720088786 U CN 201720088786U CN 206410738 U CN206410738 U CN 206410738U
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Abstract
The utility model is related to a kind of wind and powder on-line population parameter monitoring system, including measurement sensing unit, signal processing unit, signal model computing unit, signal conversion unit, signal output unit；The measurement sensing unit is connected with signal processing unit by radio-frequency cable, and signal processing unit is connected with signal model computing unit, and signal model computing unit is connected with signal conversion unit, and signal conversion unit is connected with signal output unit.The technical solution of the utility model can realize coal powder density, fineness, the on-line measurement of wind speed absolute value, do not influenceed by mixture condition Parameters variation, and can non-maintaining, data reliability it is high, can in real time on-line monitoring boiler coal dust concentration and flow velocity, for operation operating personnel provides really and accurately data as the foundation for optimizing firing optimization.
Description
Technical field
The utility model is related to measuring instrument field, and in particular to a kind of wind and powder on-line population parameter monitoring system.
Background technology
The reasonable distribution of the optimization burning of large-sized boiler, coal amount and combustion air is one of primary condition.Work as boiler capacity
During larger or many burner numbers, only each burner is made a gift to someone coal dust and air by certain coal-air ratio into stove,
The combustion efficiency in stove can be made optimal.If each burner is made a gift to someone coal dust and air with the ratio of most diverse, even if burner hearth mistake
Surplus air coefficient is still maintained in defined scope, for single burner, and the uneven distribution of air capacity and coal dust amount will
The burner having is set seriously to lack wind, the seriously scarce coal having, so as to bring a series of adverse consequences, continuous feedback data is adjustment
Separator for coal mill baffle opening or dynamic separator rotating speed provide reliable basis, pulverized coal preparation system is maintained most under different load
Good fineness of pulverized coal.If wherein certain coal pipe powder amount is excessive, resistance of ducting increase, air quantity is reduced, then can occur coal dust and sink
Product, jeopardizes safe operation.In addition coal dust burner on the high side is formed about the reducing atmosphere area of deficiency, makes the fusion temperature of ash
Reduction, so as to cause local slagging.So often to note the situation to coal, air feed in operation, and it is adjusted, maintains in time
The certain coal-air ratio example of every burner.Keep boiler combustion system coal-air ratio, it is necessary to improve monitoring technology, monitor on-line
Primary air piping and burner air outlet velocity and coal powder density, fineness, intuitively reflect the wind powder situation of primary air piping.
Utility model content
The purpose of this utility model is to provide a kind of wind and powder on-line population parameter monitoring system, coal powder density can be achieved, thin
Degree, the on-line measurement of wind speed absolute value, do not influenceed by mixture condition Parameters variation, and can non-maintaining, data reliability it is high, energy
The concentration and flow velocity of coal dust in real time on-line monitoring boiler, provide really and accurately data for operation operating personnel and are fired as optimization
Burn the foundation of adjustment.
To achieve the above object, the technical solution adopted in the utility model is：A kind of wind and powder on-line population parameter monitoring system,
Including measurement sensing unit, signal processing unit, signal model computing unit, signal conversion unit, signal output unit；It is described
Measurement sensing unit is connected with signal processing unit by radio-frequency cable, signal processing unit and signal model computing unit phase
Connection, signal model computing unit is connected with signal conversion unit, and signal conversion unit is connected with signal output unit；
The measurement sensing unit includes two sensors, and every group of sensor is parallel to each other and vertical with pipeline including a pair
Charge inductive type sensor；The signal processing unit is the real-time data signal processor based on Digital Signal Processing, tool
There are four inputs；The signal model computing unit is the industrial computer with data collecting card；The signal conversion unit is number
Word signal adapter；The signal output unit is PLC module；
Further, the charge inductive type sensor also includes charge inducing amplifier；
Further, the two sensors at intervals of 600mm, two charge inductive types sensing in every group of sensor
Device is mutually perpendicular to；
Further, the probe of the charge inductive type sensor be located in pipeline, terminals be located at pipeline it is outer and with letter
The input connection of number processing unit；
Further, the length of the radio-frequency cable is less than 50 meters；
Further, the charge inductive type sensor include sensor main body, mounting seat, lower sensor connector,
Lower insulation sleeve, sealing ring, upper insulation sleeve, upper sensor connecting piece, charge inducing amplifier, shell of transducer；
Further, one end of the sensor main body is connected with the charge inducing amplifier, the upper insulation sleeve
It is socketed in lower insulation sleeve on the sensor main body of both sides；Lower sensor connector is set on the outside of the lower insulation sleeve, it is described on
Upper sensor connecting piece is set on the outside of insulation sleeve, and the upper sensor connecting piece is connected with the lower sensor connector；It is described
Upper sensor connecting piece is connected with the shell of transducer, and the lower sensor connector is connected with the mounting seat；
Further, one end that the sensor main body is connected with the charge inducing amplifier sets internal thread, institute
State and signal cable is crimped on internal thread, the other end of the signal cable is connected with the charge inducing amplifier；
Further, the mounting seat is to be threadedly coupled with the lower sensor connector, the shell of transducer
It is to be threadedly coupled with upper sensor connecting piece；
Further, the sensor main body is that cross section is circular metal bar.
The utility model method has the following advantages that：
The technical solution of the utility model employs the electricity that charge inductive type sensor is produced using coal dust in pipeline in real time
He Chang generates equivalent charge inducing, and equivalent charge inducing is analyzed, the relative change of coal powder density, fineness, wind speed is drawn
Value, can be achieved coal powder density, fineness, the on-line measurement of wind speed absolute value, is not influenceed by mixture condition Parameters variation, and can exempt from
Maintenance, data reliability are high, and the concentration and flow velocity of coal dust, are provided truly for operation operating personnel in energy real time on-line monitoring boiler
Accurate data are used as the foundation for optimizing firing optimization.
Brief description of the drawings
Fig. 1 is the structural representation of wind and powder on-line population parameter monitoring system of the present utility model；
Fig. 2 is charge inductive type sensor distribution schematic diagram of the present utility model；
Fig. 3 is the structural representation of charge inductive type sensor of the present utility model.
Reference：1- charge inductive type sensors, 2- First air pipelines, 3- radio-frequency cables, 4- signal processing units, 5-
Under signal model computing unit, 6- signal conversion units, 7- signal output units, 8- sensor main bodies, 9- mounting seats, 10-
Insulation sleeve under sensor connecting piece, 11-, 12- sealing rings, the upper insulation sleeves of 13-, the upper sensor connecting pieces of 14-, 15- charge inducings
Amplifier, 16- shell of transducer.
Embodiment
Following examples are used to illustrate the utility model, but are not limited to scope of the present utility model.
Embodiment 1
A kind of wind and powder on-line population parameter monitoring system, including measurement sensing unit, signal processing unit 4, signal model meter
Calculate unit 5, signal conversion unit 6, signal output unit 7；The measurement sensing unit passes through radio frequency electrical with signal processing unit 4
Cable 3 is connected, and signal processing unit 4 is connected with signal model computing unit 5, and signal model computing unit 5 is changed with signal
Unit 6 is connected, and signal conversion unit 6 is connected with signal output unit 7；The measurement sensing unit includes two groups of sensings
Device, every group of sensor is parallel to each other and the charge inductive type sensor 1 vertical with pipeline including a pair；The signal processing unit
4 be the real-time data signal processor based on Digital Signal Processing, with four inputs；The signal model computing unit 5
For the industrial computer with data collecting card；The signal conversion unit is digital signal converter；The signal output unit is
PLC module.The two sensors at intervals of 600mm, two charge inductive type sensors in every group of sensor mutually hang down
Directly.It is outer and defeated with signal processing unit that the probe of the charge inductive type sensor is located in pipeline, terminals are located at pipeline
Enter end connection.
Real-time data signal processor used in the signal processing unit is TMS320VC5401PGE50 numeral letters
Number processor；Industrial computer used in the signal model computing unit is that ARK-3399 grinds magnificent built-in industrial computer；It is described
Digital signal converter used in signal conversion unit is ADAM-5000/485；Used in the signal output unit
PLC module is that Siemens 6ES7331-7SF00-0AB0 is optically isolated.
In use, installing charge inductive type sensor on coal dust transmission pipeline, produced in real time using coal dust in pipeline
Charge field, generates equivalent charge inducing, by dense in advanced AC coupled electric charge induction technology direct measurement pulverized coal channel
Degree, signal processing unit is used to obtain the equivalent charge inducing from the charge inducing component and handled, the signal
The concentration that calculates First air pipeline in of the model computing unit by the data model in industrial computer to coherent signal, wind
(above-mentioned data model is what those skilled in the art can obtain according to actual needs, belongs to existing for the on-line measurement of fast, fineness
Technology).Concentration that signal model computing unit is calculated, wind speed, fineness signal are transferred to signal conversion unit, and signal conversion is single
Member converts digital signals into the 4-20mA current signals of standard, then is transferred to signal output unit, and signal output unit will be marked
Calibration signal sends into DCS system, while being wirelessly transmitted to by GPRS on internet, realizes remote monitoring.
Embodiment 2
Charge inductive type sensor includes sensor main body 8, mounting seat 9, lower sensor connector 10, lower insulation sleeve
11st, sealing ring 12, upper insulation sleeve 13, upper sensor connecting piece 14, charge inducing amplifier 15, shell of transducer 16；
The sensor main body 8 is charge inductive type flowmeter, one end and the charge inducing of the sensor main body 8
Amplifier 15 is connected, and the upper insulation sleeve 13 and lower insulation sleeve 11 are socketed on the sensor main body 8 of both sides；The lower insulation sleeve
11 outsides set lower sensor connector 10, and the upper outside of insulation sleeve 13 sets upper sensor connecting piece 14, the upper sensing
Device connector 14 is connected with the lower sensor connector 10；The upper sensor connecting piece 14 connects with the shell of transducer 16
Connect, the lower sensor connector 10 is connected with the mounting seat 9；The signal cable is radio-frequency cable；The sensor
There is high-temperature insulation coating the outer surface of main body 8, and the high-temperature insulation coating is polytetrafluorethylecoatings coatings；The sensor main body
8 be elongated, cross section is circular metal bar；The sensor main body 8 be connected with the charge inducing amplifier 15 one
End sets and signal cable is crimped on internal thread, the internal thread, and the other end of the signal cable amplifies with the charge inducing
Device 15 is connected；The mounting seat 9 is with the lower sensor connector 10 to be threadedly coupled, and the shell of transducer 16 is with uploading
Sensor connector 14 is threaded connection, and the sealing ring 12 is arranged between insulation sleeve 13 and lower insulation sleeve 11.Charge inducing
Amplifier 15 is connected with the input of signal processor.
In the utility model embodiment, internal thread is carried with externally threaded lower sensor connector 10 and one section by one section
Upper sensor connecting piece 14, which is connected with each other, is fixed on lower insulation sleeve 11 and upper insulation sleeve 13 on sensor main body 8, upper sensor
The external screw thread of the other end of connector 14 is used for fixing shell of transducer 16, and charge inducing amplifier 15 is connected by signal cable
On the internal thread of the other end of sensor main body 8, charge inducing amplifier 15 is arranged on inside the shell of transducer 16, its
Effect is that the AC coupled signals for measuring sensor are amplified, and lower sensor connector 10 is fixed on female peace
Base 9 is filled, the other end of mounting seat 9 is welded on tested process pipelines.One end of the sensor main body 8 is measurement end,
The other end is terminals, is set on the terminals and signal cable and charge inducing amplification are crimped on internal thread, the internal thread
Device is connected.
The AC charge random signal that the utility model is sensed by sensor probe can and meanwhile measure coal dust relative concentration,
Fineness, wind speed.What is detected in itself due to the system of alternating current impression technology is a kind of irregular perturbation of electric charge, not by probe table
Face is covered by dust, the influence of detecting head surface coating, so wind and powder on-line population parameter monitoring system of the present utility model is not situated between
Matter temperature, pressure, humidity, the influence of coal varitation, and with non-maintaining feature.Using being greatly improved after high-temperature insulation coating
The service life of sensor, and can improve electric charge induction precision.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (10)
1. a kind of wind and powder on-line population parameter monitoring system, it is characterised in that including measurement sensing unit, signal processing unit, letter
Number model computing unit, signal conversion unit, signal output unit；The measurement sensing unit is with signal processing unit by penetrating
Frequency cable is connected, and signal processing unit is connected with signal model computing unit, and signal model computing unit is changed with signal
Unit is connected, and signal conversion unit is connected with signal output unit；
The measurement sensing unit includes two sensors, and every group of sensor is parallel to each other and the electricity vertical with pipeline including a pair
Lotus inductosyn；The signal processing unit is the real-time data signal processor based on Digital Signal Processing, with four
Individual input；The signal model computing unit is the industrial computer with data collecting card；The signal conversion unit is believed for numeral
Number converter；The signal output unit is PLC module.
2. a kind of wind and powder on-line population parameter monitoring system as claimed in claim 1, it is characterised in that the charge inductive type is passed
Sensor also includes charge inducing amplifier.
3. a kind of wind and powder on-line population parameter monitoring system as claimed in claim 1, it is characterised in that the two sensors
At intervals of 600mm, two charge inductive type sensors in every group of sensor are mutually perpendicular to.
4. a kind of wind and powder on-line population parameter monitoring system as claimed in claim 3, it is characterised in that the charge inductive type is passed
The probe of sensor is located in pipeline, terminals are located at outside pipeline and are connected with the input of signal processing unit.
5. a kind of wind and powder on-line population parameter monitoring system as claimed in claim 1, it is characterised in that the length of the radio-frequency cable
Degree is less than 50 meters.
6. a kind of wind and powder on-line population parameter monitoring system as claimed in claim 1, it is characterised in that the charge inductive type is passed
Sensor includes sensor main body, mounting seat, lower sensor connector, lower insulation sleeve, sealing ring, upper insulation sleeve, upper sensor
Connector, charge inducing amplifier, shell of transducer.
7. a kind of wind and powder on-line population parameter monitoring system as claimed in claim 6, it is characterised in that the sensor main body
One end is connected with the charge inducing amplifier, and the upper insulation sleeve and lower insulation sleeve are socketed on the sensor main body of both sides；
Set on the outside of the lower insulation sleeve and upper sensor connecting piece be set on the outside of lower sensor connector, the upper insulation sleeve, it is described on
Sensor connecting piece is connected with the lower sensor connector；The upper sensor connecting piece is connected with the shell of transducer,
The lower sensor connector is connected with the mounting seat.
8. a kind of wind and powder on-line population parameter monitoring system as claimed in claim 7, it is characterised in that the sensor main body with
One end of the charge inducing amplifier connection is set crimps signal cable, the signal cable on internal thread, the internal thread
The other end be connected with the charge inducing amplifier.
9. a kind of wind and powder on-line population parameter monitoring system as claimed in claim 8, it is characterised in that the mounting seat and institute
It is threaded connection to state lower sensor connector, and the shell of transducer is to be threadedly coupled with upper sensor connecting piece.
10. a kind of wind and powder on-line population parameter monitoring system as claimed in claim 9, it is characterised in that the sensor main body
It is circular metal bar for cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720088786.6U CN206410738U (en) | 2017-01-24 | 2017-01-24 | A kind of wind and powder on-line population parameter monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720088786.6U CN206410738U (en) | 2017-01-24 | 2017-01-24 | A kind of wind and powder on-line population parameter monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN206410738U true CN206410738U (en) | 2017-08-15 |
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ID=59556426
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720088786.6U Active CN206410738U (en) | 2017-01-24 | 2017-01-24 | A kind of wind and powder on-line population parameter monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578503A (en) * | 2021-07-13 | 2021-11-02 | 苏州西热节能环保技术有限公司 | Coal mill maintenance method and system, storage medium and terminal thereof |
| CN115970865A (en) * | 2023-01-12 | 2023-04-18 | 浙江浙能技术研究院有限公司 | Method for controlling pulverized coal concentration of medium-speed coal mill in real time through variable-speed adjustment of rare earth motor |
-
2017
- 2017-01-24 CN CN201720088786.6U patent/CN206410738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578503A (en) * | 2021-07-13 | 2021-11-02 | 苏州西热节能环保技术有限公司 | Coal mill maintenance method and system, storage medium and terminal thereof |
| CN115970865A (en) * | 2023-01-12 | 2023-04-18 | 浙江浙能技术研究院有限公司 | Method for controlling pulverized coal concentration of medium-speed coal mill in real time through variable-speed adjustment of rare earth motor |
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