CN202002828U - Device for online monitoring flue gas of gas turbine power plants - Google Patents
Device for online monitoring flue gas of gas turbine power plants Download PDFInfo
- Publication number
- CN202002828U CN202002828U CN2010206903451U CN201020690345U CN202002828U CN 202002828 U CN202002828 U CN 202002828U CN 2010206903451 U CN2010206903451 U CN 2010206903451U CN 201020690345 U CN201020690345 U CN 201020690345U CN 202002828 U CN202002828 U CN 202002828U
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- gas
- flue gas
- gas sample
- data
- online monitoring
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Abstract
The utility model discloses a device for online monitoring flue gas of gas turbine power plants, which is characterized by comprising a sampler (1), a preprocessor (2) and a data processing part (3). A gas sample outlet of the sampler (1) is connected with a gas sample inlet of the preprocessor (2) through pipelines, and the pipelines are provided with tracing bands. The data processing part (3) comprises a data collecting and analyzing device (3-1), a central control room (3-2), an industrial personal computer (3-3) and a programmable logic controller (3-4). The data collecting and analyzing device (3-1) is connected with the programmable logic controller (3-4) through serial communication ports of the industrial personal computer (3-3). A gas sample outlet of the preprocessor (2) is connected with an input port of the data collecting and analyzing device (3-1). The device for online monitoring flue gas of gas turbine power plants resolves the problems that the prior art is inaccurate in flue gas online monitoring measurement and the measurement is affected by the fact that water vapor is condensed into droplets in sampling pipelines; and is convenient and practical.
Description
Technical field
The utility model relates to a kind of device of on-line monitoring, and especially a kind of device that is used to fire dynamo-electric factory flue gas on-line monitoring belongs to power generation industries and auxiliary device technical field.
Background technology
At present, the dynamo-electric factory of large-scale combustion belongs to new type enterprise in China, do not have mature experience for its design, installation China, the design and installation of a lot of auxiliary devices all is to carry out with reference to traditional coal-burning power plant, and wherein online flue gas monitoring device has just directly adopted the design of coal-burning power plant.In general coal-burning power plant, the flue gas sampling position is generally at horizontal flue, as gas Combined Cycle Unit, the sample position is in vertical chimney middle and upper part, this compartment analysis chamber, position distance is distant, and the gas Combined Cycle Unit exhaust gas temperature is relatively low, the easy ponding of stopple coupon, there is following shortcoming in this covering device in practical process: (1) sampling spot exhaust gas temperature low (about 90 degrees centigrade), sampling spot compartment analysis chamber distance, moisture in the gas sample globule that in course of conveying, congeals into, the accuracy that influence is measured after entering analyser; (2) the gas sample does not have filtration unit before entering monitoring equipment, makes behind the dust access arrangement that measurement is inaccurate, even device fails; (3) along with national requirements for environmental protection is more and more stricter, national environmental protection department to being connected with of equipment in the smoke on-line monitoring system strict more requirement, the requirement that present equipment connects with environmental protection relevant departments has gap.
The utility model content
The purpose of this utility model is to measure inaccurately in order to solve in the prior art flue gas on-line monitoring, and condensation vapor becomes the problem that globule influence is measured in the sampling pipe, and a kind of device that is used to fire dynamo-electric factory flue gas on-line monitoring is provided.
The purpose of this utility model can reach by taking following technical scheme:
Be used to fire the device of dynamo-electric factory flue gas on-line monitoring, it is characterized in that: comprise sampler, pretreater and data processing section, the gas sample outlet of described sampler is connected with the gas sample inlet of pretreater by pipeline, is provided with heating tape on described pipeline; Described data processing section comprises data collection and analysis instrument, central control room, industrial computer and programmable logic controller (PLC), and described data collection and analysis instrument is connected with programmable logic controller (PLC) by the serial communication interface of industrial computer; The gas sample outlet of described pretreater is connected with the input port of data collection and analysis instrument.
The purpose of this utility model can also reach by the following technical programs:
A kind of embodiment of the present utility model is: described data processing section also comprises on-site computer, and the data transmission mouth of described industrial computer is connected with the I/O mouth of on-site computer by the internet.
A kind of embodiment of the present utility model is: described industrial computer is provided with data acquisition controller, is used for obtaining field data by mould/number conversion, switching value modular converter.
The utlity model has following outstanding beneficial effect:
1, the utility model enters at the gas sample on the pipeline of data collection and analysis instrument and is provided with pretreater, and further the purified gas sample has solved the dirty plugging of sample gas road, has guaranteed the normal operation of detecting instrument.
2, the utility model is provided with heating tape on the pipeline of the outlet of the gas sample of sampler and the gas sample inlet of pretreater, whole sampler sampling and conveying overall process are heated, prevent hydrogenesis Cheng Shui in the gas sample, make the sample of bringing about the desired sensation can't the contamination and plugging analytical instrument, guarantee the accuracy of analyzing.
3, the connected mode of the utility model data processing section not only meets the requirement of national environmental protection department, and deal with data better, and is convenient and practical.
Description of drawings
Fig. 1 is a FB(flow block) of the present utility model.
Wherein, 1-sampler, 2-pretreater, 3-data processing section.
Embodiment
Specific embodiment 1:
Fig. 1 constitutes specific embodiment of the utility model 1.
With reference to Fig. 1, present embodiment comprises sampler 1, pretreater 2 and data processing section 3, and the gas sample outlet of described sampler 1 is connected with the gas sample inlet of pretreater 2 by pipeline, is provided with heating tape on described pipeline; Described data processing section 3 comprises data collection and analysis instrument 3-1, central control room 3-2, industrial computer 3-3, programmable logic controller (PLC) 3-4 and on-site computer 3-5, and described data collection and analysis instrument 3-1 is connected with programmable logic controller (PLC) 3-4 by the serial communication interface of industrial computer 3-3; The gas sample outlet of described pretreater 2 is connected with the input port of data collection and analysis instrument 3-1.The data transmission mouth of described industrial computer 3-3 is connected with the I/O mouth of on-site computer 3-5 by the internet; Described industrial computer 3-3 is provided with data acquisition controller, is used for obtaining field data by mould/number conversion, switching value modular converter.
In the present embodiment, sampler 1, pretreater 2, data collection and analysis instrument 3-1, central control room 3-2, industrial computer 3-3, programmable logic controller (PLC) 3-4 and on-site computer 3-5 can adopt conventional gas sample collector, signal processor, data collection and analysis instrument, Computer Control Unit, Industrial Control Computer, programmable logic controller (PLC) and computing machine respectively.
The principle of work of present embodiment data processing section:
In real time from data collection and analysis instrument 3-1 image data; Be connected with programmable logic controller (PLC) 3-4 by industrial computer 3-3 serial communication interface, the physical quantity at scene is converted to discernible, the corresponding electric signal of data acquisition controller; Data acquisition controller utilizes modules such as mould/number conversion, switching value conversion, obtain on-the-spot all kinds of parameters, and handle as range by industrial computer 3-3 and to change, the Various types of data at scene is in time uploaded to the pollution source on-line monitoring information center of Environmental Protection Agency by the internet, make managerial personnel can in time, accurately obtain on-the-spot data information, whether exceed standard as floss hole discharging, whether the pollution treatment facility is in normal operation etc.; Carry out real-time Data Transmission and communication with local Environmental Protection Agency monitoring net; The data of industrial computer output are transferred to on-site computer 3-5 simultaneously, realize that by software real time data shows, prints historgraphic data recording etc.
Claims (3)
1. be used to fire the device of dynamo-electric factory flue gas on-line monitoring, it is characterized in that: comprise sampler (1), pretreater (2) and data processing section (3), the gas sample outlet of described sampler (1) is connected with the gas sample inlet of pretreater (2) by pipeline, is provided with heating tape on described pipeline; Described data processing section (3) comprises data collection and analysis instrument (3-1), central control room (3-2), industrial computer (3-3) and programmable logic controller (PLC) (3-4), and described data collection and analysis instrument (3-1) is connected with programmable logic controller (PLC) (3-4) by the serial communication interface of industrial computer (3-3); The gas sample outlet of described pretreater (2) is connected with the input port of data collection and analysis instrument (3-1).
2. the device that is used to fire dynamo-electric factory flue gas on-line monitoring according to claim 1, it is characterized in that: described data processing section (3) also comprises on-site computer (3-5), and the data transmission mouth of described industrial computer (3-3) is connected by the I/O mouth of internet with on-site computer (3-5).
3. the device that is used to fire dynamo-electric factory flue gas on-line monitoring according to claim 1 is characterized in that: be provided with data acquisition controller in described industrial computer (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206903451U CN202002828U (en) | 2010-12-30 | 2010-12-30 | Device for online monitoring flue gas of gas turbine power plants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206903451U CN202002828U (en) | 2010-12-30 | 2010-12-30 | Device for online monitoring flue gas of gas turbine power plants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202002828U true CN202002828U (en) | 2011-10-05 |
Family
ID=44705565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206903451U Expired - Fee Related CN202002828U (en) | 2010-12-30 | 2010-12-30 | Device for online monitoring flue gas of gas turbine power plants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202002828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968880A (en) * | 2014-05-06 | 2014-08-06 | 胡妍 | Area environmental protection monitoring system for power supply system |
| CN108760773A (en) * | 2018-08-21 | 2018-11-06 | 上海东易电气有限公司 | Online nytron water content of matter and pure oil density analyze skid system |
-
2010
- 2010-12-30 CN CN2010206903451U patent/CN202002828U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968880A (en) * | 2014-05-06 | 2014-08-06 | 胡妍 | Area environmental protection monitoring system for power supply system |
| CN108760773A (en) * | 2018-08-21 | 2018-11-06 | 上海东易电气有限公司 | Online nytron water content of matter and pure oil density analyze skid system |
| CN108760773B (en) * | 2018-08-21 | 2024-01-19 | 上海东易电气有限公司 | On-line analysis prying seat system for water content of hydrocarbon and density of pure oil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20131230 |