CN205079797U - Pulverized coal transport real -time monitoring system of high accuracy - Google Patents

Pulverized coal transport real -time monitoring system of high accuracy Download PDF

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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
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coal
buggy
coal dust
pipe
data processor
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CN201520877996.4U
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Chinese (zh)
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郭成伟
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Suzhou Huamao Energy Technology Co Ltd
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Suzhou Huamao Energy Technology Co Ltd
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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

A kind of high-precision coal dust conveying real-time monitoring system
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.
CN201520877996.4U 2015-11-04 2015-11-04 Pulverized coal transport real -time monitoring system of high accuracy Active CN205079797U (en)

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

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CN201520877996.4U Active CN205079797U (en) 2015-11-04 2015-11-04 Pulverized coal transport real -time monitoring system of high accuracy

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CN (1) CN205079797U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

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