CN205079797U - Pulverized coal transport real -time monitoring system of high accuracy - Google Patents
Pulverized coal transport real -time monitoring system of high accuracy Download PDFInfo
- Publication number
- CN205079797U CN205079797U CN201520877996.4U CN201520877996U CN205079797U CN 205079797 U CN205079797 U CN 205079797U CN 201520877996 U CN201520877996 U CN 201520877996U CN 205079797 U CN205079797 U CN 205079797U
- Authority
- CN
- China
- Prior art keywords
- buggy
- coal
- coal dust
- data processor
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a pulverized coal transport real -time monitoring system of high accuracy, include: buggy granulometry device, including buggy sampling device, buggy sampling device is connected with pulverized coal transport pipe and heat tracing pipe respectively, and heat tracing pipe connects laser particle analyzer, and laser particle analyzer is connected with the data processor electricity, buggy concentration and velocity of flow measuring device, it is connected with the data processor electricity, and data processor is connected with distributed control system's treater electricity, buggy concentration and velocity of flow measuring device include the annular electrostatic transducer of two settings on the pulverized coal transport pipe, annular electrostatic transducer obtains the buggy velocity of flow including the annular electrostatic induction of circle and controlling means, annular electrostatic transducer output static signal. Pulverized coal transport real -time monitoring system of high accuracy can realize the online real -time supervision to buggy concentration, buggy granularity and the buggy velocity of flow, single unit system simple and practical, and measuring result is more accurate.
Description
Technical field
The utility model relates to a kind of high-precision coal dust conveying real-time monitoring system.
Background technology
The coal pulverizer of large coal-fired power plant pulverized coal firing boiler generally adopts unit pulverized-coal system to provide coal dust for burner, and every platform coal pulverizer all can corresponding multiple stage burner.In prior art, on-line real time monitoring cannot be carried out to the pulverized coal mass flow in coal dust Dual-Phrase Distribution of Gas olid, and coal consumption is larger, pollutant discharge amount is large, and be probe sensor mostly for what measure pulverized coal flow, data measured deviation is large, and loss is large, signal is weak, causes measuring accuracy to decline again and again.
Utility model content
For above-mentioned technical matters, the utility model discloses a kind of high-precision coal dust conveying real-time monitoring system, comprise: coal powder size measurement mechanism, it comprises coal fines sampling apparatus, described coal fines sampling apparatus is connected with trace pipe with coal dust delivery pipe respectively, and described trace pipe connects laser particle analyzer, and the outlet of laser particle analyzer connects one end of coal dust loopback pipe, the other end of coal dust loopback pipe is communicated with coal dust delivery pipe, and described laser particle analyzer is electrically connected with data processor; Coal powder density and flow rate measuring device, it is electrically connected with data processor, and data processor is electrically connected with the processor of Distributed Control System (DCS); Described coal powder density and flow rate measuring device comprise two Annular electrostatic sensors be arranged on coal dust delivery pipe; Described Annular electrostatic sensor comprises circular electrostatic induction circle and control device, and described Annular electrostatic sensor exports electrostatic signal and obtains coal dust flow velocity.
The beneficial effects of the utility model are on-line real time monitorings that described high-precision coal dust conveying real-time monitoring system can realize to coal powder density, coal powder size and coal dust flow velocity, single unit system is simple and practical, effective real time data can be obtained, accuracy is high, the Annular electrostatic sensor used can measure the coal dust flow velocity by pulverized coal channel xsect more accurately, can not affect coal dust flow velocity, measurement result is more accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-precision coal dust conveying real-time monitoring system described in the utility model;
In figure: 1, coal dust delivery pipe; 2, trace pipe; 3, laser particle analyzer; 4, coal dust loopback pipe; 5, data processor; 6, Annular electrostatic sensor.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
As shown in the figure, the utility model discloses a kind of high-precision coal dust conveying real-time monitoring system, comprise: coal powder size measurement mechanism, it comprises coal fines sampling apparatus, described coal fines sampling apparatus is connected with trace pipe 2 with coal dust delivery pipe 1 respectively, and described trace pipe 2 connects laser particle analyzer 3, and the outlet of laser particle analyzer 3 connects one end of coal dust loopback pipe 4, the other end of coal dust loopback pipe 4 is communicated with coal dust delivery pipe 1, and described laser particle analyzer 3 is electrically connected with data processor 5; Coal powder density and flow rate measuring device, it is electrically connected with data processor 5, and data processor 5 is electrically connected with the processor of Distributed Control System (DCS); Described coal powder density and flow rate measuring device comprise two Annular electrostatic sensors 6 be arranged on coal dust delivery pipe 1; Described Annular electrostatic sensor 6 comprises circular electrostatic induction circle and control device, and described Annular electrostatic sensor 6 exports electrostatic signal and obtains coal dust flow velocity.Described high-precision coal dust conveying real-time monitoring system can realize the on-line real time monitoring to coal powder density, coal powder size and coal dust flow velocity, single unit system is simple and practical, effective real time data can be obtained, accuracy is high, the Annular electrostatic sensor used can measure the coal dust flow velocity by pulverized coal channel xsect more accurately, can not affect coal dust flow velocity, measurement result is more accurate.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (1)
1. a high-precision coal dust conveying real-time monitoring system, it is characterized in that, comprise: coal powder size measurement mechanism, it comprises coal fines sampling apparatus, described coal fines sampling apparatus is connected with trace pipe with coal dust delivery pipe respectively, and described trace pipe connects laser particle analyzer, and the outlet of laser particle analyzer connects one end of coal dust loopback pipe, the other end of coal dust loopback pipe is communicated with coal dust delivery pipe, and described laser particle analyzer is electrically connected with data processor; Coal powder density and flow rate measuring device, it is electrically connected with data processor, and data processor is electrically connected with the processor of Distributed Control System (DCS); Described coal powder density and flow rate measuring device comprise two Annular electrostatic sensors be arranged on coal dust delivery pipe; Described Annular electrostatic sensor comprises circular electrostatic induction circle and control device, and described Annular electrostatic sensor exports electrostatic signal and obtains coal dust flow velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877996.4U CN205079797U (en) | 2015-11-04 | 2015-11-04 | Pulverized coal transport real -time monitoring system of high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877996.4U CN205079797U (en) | 2015-11-04 | 2015-11-04 | Pulverized coal transport real -time monitoring system of high accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205079797U true CN205079797U (en) | 2016-03-09 |
Family
ID=55432199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877996.4U Expired - Fee Related CN205079797U (en) | 2015-11-04 | 2015-11-04 | Pulverized coal transport real -time monitoring system of high accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205079797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389972A (en) * | 2017-07-18 | 2017-11-24 | 北京华电天仁电力控制技术有限公司 | A kind of analyzer for boiler tubing wind powder flow parameter on-line measurement |
| CN107449935A (en) * | 2017-07-17 | 2017-12-08 | 中国石油化工股份有限公司 | Seam speedometer |
-
2015
- 2015-11-04 CN CN201520877996.4U patent/CN205079797U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449935A (en) * | 2017-07-17 | 2017-12-08 | 中国石油化工股份有限公司 | Seam speedometer |
| CN107389972A (en) * | 2017-07-18 | 2017-11-24 | 北京华电天仁电力控制技术有限公司 | A kind of analyzer for boiler tubing wind powder flow parameter on-line measurement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203981700U (en) | Dust through-current capacity pick-up unit | |
| Qian et al. | Flow measurement of biomass and blended biomass fuels in pneumatic conveying pipelines using electrostatic sensor-arrays | |
| CN205079797U (en) | Pulverized coal transport real -time monitoring system of high accuracy | |
| CN104374675A (en) | Coal mill pulverized coal fineness online monitoring method | |
| CN202582596U (en) | System for integrally measuring air quantity, concentration, and granularity | |
| CN102608005B (en) | Piezoelectric sensor-based on-line measurement device and method for particle size distribution | |
| CN107677317A (en) | Flue dust gas sampling comprehensive detection system | |
| Jurjevčič et al. | The characterization of pulverized-coal pneumatic transport using an array of intrusive electrostatic sensors | |
| CN104267211A (en) | Portable device for online measurement of flowing speed, concentration, flowing speed distribution and concentration distribution of powder | |
| CN205049173U (en) | Wind powder on line measurement system | |
| CN203519561U (en) | Device capable of measuring the pneumatic powder conveying concentration of coal powder industrial boiler in real time | |
| CN203672406U (en) | Wind-pulverized coal on-line monitoring system used for boiler | |
| CN202548075U (en) | Automatic control type detecting device for ignition point of granular active carbon | |
| CN205175975U (en) | Gas chromatograph inlet end trace gas control ware | |
| CN205102169U (en) | Pulverized coal transport real -time monitoring apparatus | |
| CN202033227U (en) | Constant speed gas distribution sampling device for atmosphere particulate matter monitoring instrument | |
| CN204694299U (en) | The measuring system of a kind of boiler coal-ash granularity, concentration and flow velocity | |
| CN203799273U (en) | Air flow regulating device based on PM2.5 online monitoring | |
| CN207957172U (en) | A kind of dynamic measurement system for pulverulent material | |
| CN205102168U (en) | Monitoring devices of buggy flow | |
| CN202420571U (en) | Pulverized coal concentration and flow measurement device | |
| CN107764351A (en) | Method based on electrostatic method real-time online measuring Dual-Phrase Distribution of Gas olid mass flow | |
| CN112986085A (en) | Dust concentration measuring device of thermal power plant by electrostatic method | |
| CN201678685U (en) | On-line coal powder water content detection device for blast furnace pulverized coal injection milling system | |
| CN205157383U (en) | Minimum discharge cigarette dust content of thermal power plant test system |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20201104 |