CN205861506U - Coal concentration measuring device - Google Patents

Coal concentration measuring device Download PDF

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Publication number
CN205861506U
CN205861506U CN201620716193.5U CN201620716193U CN205861506U CN 205861506 U CN205861506 U CN 205861506U CN 201620716193 U CN201620716193 U CN 201620716193U CN 205861506 U CN205861506 U CN 205861506U
Authority
CN
China
Prior art keywords
unit
coal
pulverized coal
measuring probe
measuring device
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
Application number
CN201620716193.5U
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Chinese (zh)
Inventor
王泽璞
张孝勇
王然
任晓辰
刘岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Datang Corp Science and Technology Research Institute Co Ltd
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China Datang Corp Science and Technology Research Institute Co Ltd
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Priority to CN201620716193.5U priority Critical patent/CN205861506U/en
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Publication of CN205861506U publication Critical patent/CN205861506U/en
Expired - Fee Related legal-status Critical Current
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Abstract

This utility model relates to a kind of coal concentration measuring device, including control unit and data acquisition unit, described data acquisition unit includes some measuring probes, described measuring probe is installed in pulverized coal channel, several described measuring probes are uniformly distributed along the coal dust direction of motion, 12 times of the diameter length that distance is pulverized coal channel between each described measuring probe, on described measuring probe, there is pressure measurement cell, temperature measurement unit and flow-speed measurement unit, bottom described measuring probe, there is Date Conversion Unit, with described pressure measurement cell, temperature measurement unit is connected with flow-speed measurement unit, described Date Conversion Unit is connected with described control unit.This utility model can measure each item data of pulverized coal particle concentration, flow velocity and the temperature in each section of boiler pulverized coal pipeline in real time, reacted the mobility status of coal dust in full section pulverized coal channel comprehensively, adjust the coal input quantity of coal pulverizer in good time, adjust the combustion case of each burner.

Description

Coal concentration measuring device
Technical field
This utility model relates to thermoelectric measurement technical field, particularly relates to coal concentration measuring device.
Background technology
China's major part electric power energy is dependent on coal fired power generation at present, heat power station provide.The coal-fired energy is Finite energy resource, and be the contaminative energy, the pulverized-coal fired boiler of Large-sized Coal-fired Power group is mostly equipped with tens burners and passes through pipeline Coal dust being sent into boiler burn, multiple stage coal pulverizer works simultaneously, and generally there is distribution between coal pulverizer and each burner Deviation, the most necessarily has partial combustion burner and is in rich powdery state, and partial combustion burner is in lean powdery state, fires in rich powder burner Burning insufficient, unburned carbon in flue dust is high and produces reducing atmosphere, and easy slagging scorification also produces high temperature corrosion, and what the burning of lean powder produced Amount of nitrogen oxides is bigger.Effectively adjust and control the coal powder density within each burner and air it is thus desirable to study and design Ratio, the burning of optimizing combustor, it is achieved boiler integral combustion situation optimizes, reduces power plant's production cost, makes boiler economy, environmental protection Operation.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide a kind of coal concentration measuring device, it is possible to essence Really measure and pulverized coal particle real-time online data in reaction pulverized coal channel.
A kind of coal concentration measuring device of the present utility model, including control unit and data acquisition unit, described data Collecting unit includes that some measuring probes, described measuring probe are installed in pulverized coal channel, and several described measuring probes are along coal The powder direction of motion is uniformly distributed, 1-2 times of the diameter length that distance is pulverized coal channel between each described measuring probe, described There is on measuring probe pressure measurement cell, temperature measurement unit and flow-speed measurement unit, bottom described measuring probe, there is number According to converting unit, it is connected with described pressure measurement cell, temperature measurement unit and flow-speed measurement unit, described Date Conversion Unit It is connected with described control unit.
Further, described Date Conversion Unit includes data receipt unit, the data amplifying unit sum being sequentially connected with According to transmitting element, described data transmission unit is connected with described control unit signal.
Further, described data acquisition unit also includes being installed on the power pack outside described pulverized coal channel and sealing group Part box, described power pack and described black box box are installed on the centre position of some described measuring probes.
Further, described power pack and described black box box are by through the circuit of described pulverized coal channel and described survey Amount probe is connected.
Further, described circuit is bonded with temperature resistant encapsulation glue.
Further, the quantity of described measuring probe is 2-4.
By such scheme, this utility model at least has the advantage that
This utility model one coal concentration measuring device, it is possible to measure the coal dust in each section of boiler pulverized coal pipeline in real time Grain concentration, flow velocity and each item data of temperature, reacted the mobility status of coal dust in full section pulverized coal channel comprehensively, adjusted mill in good time The coal input quantity of coal machine, adjusts the combustion case of each burner, reduces the operating cost of thermal power station, and decreases nitrogen oxides Generation, it is achieved economy, the running of environmental protection.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and can be practiced according to the content of description, it is described in detail with preferred embodiment of the present utility model below.
Accompanying drawing explanation
Fig. 1 is the principle schematic of this utility model one preferred embodiment.
Detailed description of the invention
Below in conjunction with embodiment, detailed description of the invention of the present utility model is described in further detail.Following example For this utility model is described, but it is not limited to scope of the present utility model.
Seeing accompanying drawing, a kind of coal concentration measuring device described in this utility model one preferred embodiment, including controlling list Unit and data acquisition unit, described data acquisition unit includes that some measuring probes, described measuring probe are installed on pulverized coal channel In, several described measuring probes are uniformly distributed along the coal dust direction of motion, and the distance between each described measuring probe is coal dust 1-2 times of the diameter length of pipeline, described measuring probe has pressure measurement cell, temperature measurement unit and flow-speed measurement list Unit, has Date Conversion Unit bottom described measuring probe, with described pressure measurement cell, temperature measurement unit and flow-speed measurement Unit is connected, and described Date Conversion Unit is connected with described control unit.
It is single that described Date Conversion Unit includes that the data receipt unit, data amplifying unit and the data that are sequentially connected with send Unit, described data transmission unit is connected with described control unit signal.
Described data acquisition unit also includes being installed on the power pack outside described pulverized coal channel and black box box, described Power pack and described black box box are installed on the centre position of some described measuring probes.
Described power pack and described black box box are by through the circuit of described pulverized coal channel and described measuring probe phase Even.
Temperature resistant encapsulation glue it is bonded with on described circuit.
The quantity of described measuring probe is 2-4.
This utility model one coal concentration measuring device, it is possible to measure the coal dust in each section of boiler pulverized coal pipeline in real time Grain concentration, flow velocity and each item data of temperature, reacted the mobility status of coal dust in full section pulverized coal channel comprehensively, adjusted mill in good time The coal input quantity of coal machine, adjusts the combustion case of each burner, reduces the operating cost of thermal power station, and decreases nitrogen oxides Generation, it is achieved economy, the running of environmental protection.
The above is only preferred implementation of the present utility model, is not limited to this utility model, it is noted that For those skilled in the art, on the premise of without departing from this utility model know-why, it is also possible to do Going out some improvement and modification, these improve and modification also should be regarded as protection domain of the present utility model.

Claims (6)

1. a coal concentration measuring device, it is characterised in that include control unit and data acquisition unit, described data acquisition Unit includes that some measuring probes, described measuring probe are installed in pulverized coal channel, and several described measuring probes are transported along coal dust Dynamic direction is uniformly distributed, 1-2 times of the diameter length that distance is pulverized coal channel between each described measuring probe, described measurement There is on probe pressure measurement cell, temperature measurement unit and flow-speed measurement unit, bottom described measuring probe, there are data and turn Change unit, be connected with described pressure measurement cell, temperature measurement unit and flow-speed measurement unit, described Date Conversion Unit and institute State control unit to be connected.
Coal concentration measuring device the most according to claim 1, it is characterised in that described Date Conversion Unit includes successively Data receipt unit, data amplifying unit and the data transmission unit connected, described data transmission unit and described control unit Signal is connected.
Coal concentration measuring device the most according to claim 1, it is characterised in that described data acquisition unit also includes peace It is loaded on the power pack outside described pulverized coal channel and black box box, described power pack and described black box box and is installed on some The centre position of described measuring probe.
Coal concentration measuring device the most according to claim 3, it is characterised in that described power pack and described black box Box is by being connected through the circuit of described pulverized coal channel with described measuring probe.
Coal concentration measuring device the most according to claim 4, it is characterised in that be bonded with temperature resistant encapsulation on described circuit Glue.
Coal concentration measuring device the most according to claim 1, it is characterised in that the quantity of described measuring probe is 2-4 Individual.
CN201620716193.5U 2016-07-07 2016-07-07 Coal concentration measuring device Expired - Fee Related CN205861506U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620716193.5U CN205861506U (en) 2016-07-07 2016-07-07 Coal concentration measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620716193.5U CN205861506U (en) 2016-07-07 2016-07-07 Coal concentration measuring device

Publications (1)

Publication Number Publication Date
CN205861506U true CN205861506U (en) 2017-01-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620716193.5U Expired - Fee Related CN205861506U (en) 2016-07-07 2016-07-07 Coal concentration measuring device

Country Status (1)

Country Link
CN (1) CN205861506U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113042189A (en) * 2021-03-16 2021-06-29 广州敏远能源科技有限公司 Multi-parameter monitoring system and method for pulverized coal particles of boiler coal mill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113042189A (en) * 2021-03-16 2021-06-29 广州敏远能源科技有限公司 Multi-parameter monitoring system and method for pulverized coal particles of boiler coal mill

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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: 20170104

Termination date: 20170707

CF01 Termination of patent right due to non-payment of annual fee