CN205102169U - Pulverized coal transport real -time monitoring apparatus - Google Patents
Pulverized coal transport real -time monitoring apparatus Download PDFInfo
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- CN205102169U CN205102169U CN201520877916.5U CN201520877916U CN205102169U CN 205102169 U CN205102169 U CN 205102169U CN 201520877916 U CN201520877916 U CN 201520877916U CN 205102169 U CN205102169 U CN 205102169U
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- coal dust
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- velocity
- coal
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Abstract
The utility model discloses a pulverized coal transport real -time monitoring apparatus, include: velocity of flow monitoring devices, concentration monitoring devices and temperature monitoring devices, velocity of flow monitoring devices includes annular electrostatic transducer, and annular electrostatic transducer includes electrostatic induction circle, electron device and signal processing device, concentration monitoring devices includes microwave emission sensor and microwave receiving sensor, controlling means for the aperture of control choke valve and the angle of coal powder concentration regulating plate, the temperature monitoring device is including setting up at the intraductal temperature sensor of pulverized coal transport. Pulverized coal transport real -time monitoring apparatus can realize the online real -time supervision to the coal powder concentration and the velocity of flow, and can effective control coal powder concentration and the buggy velocity of flow, has improved work efficiency, and adopts annular electrostatic transducer, and long service life can the accurate measurement passes through the buggy velocity of flow of buggy pipeline cross section, can not influence the buggy velocity of flow, the choking phenomenon can not appear, reduces the time and the expense of maintenance.
Description
Technical field
The utility model relates to a kind of coal dust conveying real time monitoring apparatus.
Background technology
The coal pulverizer of large coal-fired power plant pulverized-coal fired 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 certainty of measurement to decline again and again.
Utility model content
For above-mentioned technical problem, the utility model discloses a kind of coal dust conveying real time monitoring apparatus, comprising: flow monitoring device, concentration monitoring device and device for detecting temperature; Described flow monitoring device comprises the Annular electrostatic sensor be arranged in coal dust carrier pipe, described Annular electrostatic sensor comprises circular electrostatic induction circle, electronic installation and signal processing apparatus, and described Annular electrostatic sensor exports electrostatic signal and obtains coal dust flow velocity; Described concentration monitoring device comprises and is arranged on Microwave emission sensor in coal dust carrier pipe and microwave receiving sensor, obtains the coal powder density in each coal dust carrier pipe according to the Real-Time Monitoring result of described Microwave emission sensor and microwave receiving sensor; Control device, for the angle of the aperture and coal powder density adjustable plate that control choke valve; Device for detecting temperature, comprises the temperature sensor be arranged in coal dust carrier pipe.
Preferably, the outside of described Annular electrostatic sensor also arranges a ring protection cover, and arrange annular groove in described ring protection cover, described electrostatic induction circle is positioned at annular groove.
The beneficial effects of the utility model are on-line real time monitorings that described coal dust conveying real time monitoring apparatus can realize to coal powder density and coal dust flow velocity, and automatically can regulate choke valve and coal powder density adjustable plate, more effectively control coal powder density and coal dust flow velocity, improve operating efficiency, and adopt Annular electrostatic sensor, long service life, can Measurement accuracy by the coal dust flow velocity of pulverized coal channel cross section, coal dust flow velocity can not be affected, there will not be choking phenomenon, decrease time and the expense of maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of coal dust described in the utility model conveying real time monitoring apparatus;
Fig. 2 is the structural representation of the Annular electrostatic sensor of coal dust described in the utility model conveying real time monitoring apparatus;
In figure: 1, coal dust carrier pipe; 2, Annular electrostatic sensor; 3, electrostatic induction circle; 4, electronic installation; 5, signal processing apparatus; 6, concentration monitoring device; 7, choke valve; 8, coal powder density adjustable plate; 9, control device; 10, ring protection cover.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to description word to make those skilled in the art.
As shown in the figure, the utility model discloses a kind of coal dust conveying real time monitoring apparatus, comprising: flow monitoring device, concentration monitoring device and device for detecting temperature; Described flow monitoring device comprises the Annular electrostatic sensor 2 be arranged in coal dust carrier pipe 1, described Annular electrostatic sensor 2 comprises circular electrostatic induction circle 3, electronic installation 4 and signal processing apparatus 5, and described Annular electrostatic sensor 2 exports electrostatic signal and obtains coal dust flow velocity; Described concentration monitoring device 6 comprises and is arranged on Microwave emission sensor in coal dust carrier pipe 1 and microwave receiving sensor, obtains the coal powder density in each coal dust carrier pipe according to the Real-Time Monitoring result of described Microwave emission sensor and microwave receiving sensor; Control device 9, for the angle of the aperture and coal powder density adjustable plate 8 that control choke valve 7; Device for detecting temperature, comprises the temperature sensor be arranged in coal dust carrier pipe 1.The outside of described Annular electrostatic sensor 2 also arranges a ring protection cover 10, and arrange annular groove in described ring protection cover 10, described electrostatic induction circle 3 is positioned at annular groove.Described coal dust conveying real time monitoring apparatus can realize the on-line real time monitoring to coal powder density and coal dust flow velocity, and automatically can regulate choke valve and coal powder density adjustable plate, more effectively control coal powder density and coal dust flow velocity, improve operating efficiency, and adopt Annular electrostatic sensor, long service life, can Measurement accuracy by the coal dust flow velocity of pulverized coal channel cross section, coal dust flow velocity can not be affected, there will not be choking phenomenon, decrease time and the expense of maintenance.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in description 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 (2)
1. a coal dust conveying real time monitoring apparatus, is characterized in that, comprising: flow monitoring device, concentration monitoring device and device for detecting temperature; Described flow monitoring device comprises the Annular electrostatic sensor be arranged in coal dust carrier pipe, described Annular electrostatic sensor comprises circular electrostatic induction circle, electronic installation and signal processing apparatus, and described Annular electrostatic sensor exports electrostatic signal and obtains coal dust flow velocity; Described concentration monitoring device comprises and is arranged on Microwave emission sensor in coal dust carrier pipe and microwave receiving sensor, obtains the coal powder density in each coal dust carrier pipe according to the Real-Time Monitoring result of described Microwave emission sensor and microwave receiving sensor; Control device, for the angle of the aperture and coal powder density adjustable plate that control choke valve; Device for detecting temperature, comprises the temperature sensor be arranged in coal dust carrier pipe.
2. coal dust conveying real time monitoring apparatus according to claim 1, is characterized in that: the outside of described Annular electrostatic sensor also arranges a ring protection cover, and arrange annular groove in described ring protection cover, described electrostatic induction circle is positioned at annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877916.5U CN205102169U (en) | 2015-11-04 | 2015-11-04 | Pulverized coal transport real -time monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877916.5U CN205102169U (en) | 2015-11-04 | 2015-11-04 | Pulverized coal transport real -time monitoring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205102169U true CN205102169U (en) | 2016-03-23 |
Family
ID=55517950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877916.5U Expired - Fee Related CN205102169U (en) | 2015-11-04 | 2015-11-04 | Pulverized coal transport real -time monitoring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205102169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097862A (en) * | 2020-07-27 | 2020-12-18 | 华电(印尼)玻雅发电公司 | Powder flow on-line monitoring system |
-
2015
- 2015-11-04 CN CN201520877916.5U patent/CN205102169U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097862A (en) * | 2020-07-27 | 2020-12-18 | 华电(印尼)玻雅发电公司 | Powder flow on-line monitoring system |
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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: 20160323 Termination date: 20201104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |