CN104819748A - Continuous carbon discharging monitoring system for coal-fired power plant - Google Patents
Continuous carbon discharging monitoring system for coal-fired power plant Download PDFInfo
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- CN104819748A CN104819748A CN201510179050.5A CN201510179050A CN104819748A CN 104819748 A CN104819748 A CN 104819748A CN 201510179050 A CN201510179050 A CN 201510179050A CN 104819748 A CN104819748 A CN 104819748A
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Abstract
A continuous carbon discharging monitoring system for a coal-fired power plant comprises a sampling device, a flue gas monitoring device, a data analyzing device, a wireless emitting device, a display screen and an overcurrent protective device, wherein the sampling device is divided into four sets, each of which includes a sampling gun, a back-supported pipe and a thermocouple. Electric control valves are arranged on the sampling guns and the back-supported pipes. The sampling devices are uniformly distributed on the periphery of a same cross section of the flues of the coal-fired power plant. The flue gas monitoring device comprises a suction pump, a dehumidifier, a deduster, a flow monitor, a temperature monitor, a CO2/O2 concentration monitor and a pressure monitor, wherein the suction pump is connected with the sampling guns, the temperature monitor is connected with the thermocouples, and the back-supported pipes are connected with the pressure monitor. Flue gas is monitored after being dehumidified, dedusted, dried and purified, and carbon discharge capacity is obtained through flue gas flux and CO2 concentration in the flue gas. The continuous carbon discharging monitoring system has continuous monitoring functions, and is energy-saving and environmental friendly with the monitoring controller controlling the on/off of the suction pump. The continuous carbon discharging monitoring system can be arranged and monitors a large scope, and the monitoring is reliable and realizes a certain precision.
Description
Technical field
The present invention relates to a kind of continuous monitor system for coal-burning power plant's carbon emission amount.
Background technology
Existing carbon emission amount computing method can be divided into two large classes in the world: a class is from fuel input, calculate CO2 discharge according to theory calculate; Another kind of is directly monitor smoke discharge amount and gas concentration lwevel by metering facility or monitoring means.
Fuel throw-in play can take into full account that burning condition, combustion apparatus and fuel state etc. affect the practical factor of CO2 emission, make result of calculation have more cogency, therefore Bian fuel throw-in play calculates coal-burning power plant's CO2 emissions computational problem becomes the emphasis studied in the world at present.
Direct monitoring method adopts CEMS flue gas monitoring instrument usually, the monitoring equipment of this kind equipment mainly gas concentration lwevel, but these equipment is just monitored for the gas concentration lwevel of certain position in flue gas, not representative, compared with real carbon emission amount data, also lack certain precision.
Summary of the invention
Technical matters to be solved by this invention, is just to provide a kind of based on direct monitoring method, coal-burning power plant's carbon emission continuous monitor system with certain precision.
Solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of coal-burning power plant carbon emission amount continuous monitor system, is characterized in that: described system comprises sampler, flue gas monitoring device, data analysis set-up, wireless base station apparatus, display screen and overcurrent protection;
Described sampler is divided into four groups, and often group comprises sampling gun, backing tube and thermopair, and described sampling gun and backing tube are provided with electric control valve; Described sampler is uniformly distributed on the periphery in the same cross section of described coal-burning power plant flue;
Described flue gas monitoring device comprises the aspiration pump, dehumidifier, fly-ash separator, flow monitor, temperature monitoring, CO2/O2 concentration monitoring device and the pressure monitor that connect successively with pipeline; Described aspiration pump connects described sampling gun, and described temperature monitoring is connected with described thermopair, and described backing tube is connected with described pressure monitor;
Described data analysis set-up comprises interconnective counter and data-carrier store, and described data-carrier store is by described flow monitor, temperature monitoring, CO2/O2 concentration monitoring device and pressure monitor external with USB interface;
Described monitor controller is connected respectively by the electrically operated valve of control line and described sampler and aspiration pump;
Described monitor controller controls the electrically operated valve of sampler, making sampling gun successively from each measuring point sampling monitoring, when starting to monitor certain measuring point, closing the valve at other measuring point places; When in the data of monitoring out, the difference of the maxima and minima in the carbon emission concentration data that front and back record for ten times is less than 0.001mg/L, that is:, during Cmax-Cmin≤0.001mg/L, control aspiration pump and to quit work 15min;
Described wireless base station apparatus comprises wireless controller and signal wire, and data-signal is also converted into electric signal by the data-carrier store described in described wireless controller connects, and is sent by signal wire.
Described overcurrent protection is located on the feed circuit of system, and when device current is excessive, instantaneous trip power supply, proterctive equipment is not burned.
Described all devices are integrated in a casing.
Beneficial effect of the present invention:
After the present invention carries out flue gas pre-service by flue gas dehumidifier and fly-ash separator, the flue gas of purification carries out the Sequencing and analysis of the data such as flue gas flow, CO2/O2 concentration, temperature, dynamic pressure, effectively can measure the carbon emission amount of power plant; A device can carry out multiple spot Real-Time Monitoring simultaneously, avoids the unicity of the measuring point in same cross section, improves confidence level and the precision of data; Adopt monitor controller to control monitoring time, reach the effect of energy-conserving and environment-protective, extend service life of equipment simultaneously; System additionally uses wireless base station apparatus, facilitates compiling of data.
The present invention adopts the method for layouting more, and on monitoring flue cross section, the carbon emission amount of diverse location, obtains the dynamic change in time of carbon emission amount, so that grasp the carbon emission data of enterprise, for the carrying out of carbon transaction and carbon emission quota provides foundation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and instantiation, the present invention is described in further detail:
Fig. 1 is arrangement of the present invention and workflow diagram.
Description of reference numerals: four measuring points of 1a, 1b, 1c, 1d-sampler; 2-signal wire.
Embodiment
Continuous monitor system embodiment for coal-burning power plant's carbon emission of the present invention, comprises sampler, flue gas monitoring device, data analysis set-up, wireless base station apparatus, display screen and overcurrent protection.
Described sampler is divided into four groups, often organize and all include sampling gun, backing tube and thermopair, described sampling gun and backing tube are provided with electric control valve, when needs measure certain measuring point CO2 concentration, have control device to open the valve at this some place, described sampler is uniformly distributed on the periphery in the same cross section of described coal-burning power plant flue;
Described flue gas monitoring device comprises the aspiration pump, dehumidifier, fly-ash separator, flow monitor, temperature monitoring, CO2/O2 concentration monitoring device and the pressure monitor that connect successively with pipeline; Described aspiration pump connects described sampling gun, under the effect of aspiration pump, from sampling gun, extract flue gas enter dehumidifier and fly-ash separator carries out gas cleaning process, neat stress after process is through flow monitor, record flue gas flow, then flue gas enters CO2/O2 concentration monitoring device, records CO2/O2 concentration in flue gas; Described temperature monitoring is connected with described thermopair, measures flue-gas temperature; Described backing tube is connected with described pressure monitor, measures the flue gas dynamic pressure of measuring point place;
Described data analysis set-up comprises interconnective counter and data-carrier store, and described data-carrier store is by described flow monitor, temperature monitoring, CO2/O2 concentration monitoring device and pressure monitor external with USB interface;
Measured data are stored in data-carrier store by this device, and use counter to carry out Data Integration, obtain the carbon emission mean concentration of four measuring points, and then try to achieve the carbon emission amount of coal-burning power plant, also be stored in data-carrier store, and result be presented on described display screen;
Described monitor controller is connected with described sampler outlet electric valve door, each aspiration pump respectively by control line;
Control the start and stop state of aspiration pump, under normal circumstances, monitor controller controls the electrically operated valve of sampler outlet, makes sampling gun successively from each measuring point sampling monitoring; In the data of monitoring out, when the difference of the maxima and minima in the carbon emission concentration data that front and back record for ten times is less than 0.001mg/L, that is: during Cmax-Cmin≤0.001mg/L, control aspiration pump by monitor controller to quit work 15min, to reach the effect of energy-conserving and environment-protective, simultaneously can extension device serviceable life.
Described wireless base station apparatus comprises wireless controller and signal wire, and data-signal is also converted into electric signal by the data-carrier store described in described wireless controller connects, and is sent by signal wire.
Described overcurrent protection is located on the feed circuit of system, and when device current is excessive, instantaneous trip power supply, proterctive equipment is not burned.
Said apparatus is connected by data line, adopts station service power supply mode.
Equipment should be completely new product, stable performance, technology maturation, and CO2/O2 concentration monitoring device should be imported product, and sampling gun and flue gas preprocessor can be domestic or import.
Sampling gun working temperature is 40 DEG C-120 DEG C, humidity range 0-95%R.H; CO2/O2 concentration monitoring device and Flue Gas Pretreatment Device working temperature are 0 DEG C-45 DEG C, humidity range 0-95%R.H.
Flue gas is after fly-ash separator, dehumidifier carry out pre-service, and flue gas quality can meet the requirement of CO2/O2 concentration monitoring device, and Flue Gas Pretreatment Device inside has the function that power supply is excised in excess current, short circuit automatically.
Flue gas monitoring device possesses the equipment (pump etc.) of drawing smoke, and flue gas flow can meet the requirement of CO2/O2 concentration monitoring device; The allowance retained can make up ageing equipment after instrument Long-Time Service.
Data-carrier store has data storage function, and the data of all collections, measurement can both record automatically, and directly can read data by USB storage, and data directly can read with office software, and are converted to form document.
Equipment can adapt to be arranged on continuous sampling in coal-burning power plant's flue, measurement, and system can CO2/O2 concentration in continuous coverage industrial smoke and surrounding air; Can cruelly leak by the sea in power plant's atmospheric environment, long-term work, can not there is corrosion, cracking, breakage etc. and affect the problem that instrument runs in whole parts in two years.
Instrument should be integrated in a casing, possesses rainproof function, and rainy day, instrument can normally work, and the fault such as be not short-circuited; Must not adopt radiomaterial, serviceable life is unrestricted, to user's safety.
Workflow of the present invention: the present invention adopts the monitoring system of real-time continuous, successively to 1a, 1b, 1c, 1d tetra-measuring points are monitored continuously, when starting to monitor certain measuring point, pass through monitor controller, close the valve at other measuring point places, open this measuring point valve, according to the flow value set, drawing smoke under the effect of pump, flue gas is through dehumidifying, dedusting twice pre-service, flue gas after purification carries out flue gas analysis in flue gas monitoring device, obtain flue gas flow, flue-gas temperature, the data such as flue gas pressures and gas concentration lwevel, store data in data-carrier store, and adopt the calculator software in data analysis set-up to carry out Data Integration calculating, obtain the carbon emission mean concentration of four measuring points, and then try to achieve the carbon emission amount of coal-burning power plant, also be stored in data-carrier store, and by result display on a display screen, then by wireless controller, data-signal is converted into electric signal, personal computer is sent to by signal wire.
Monitoring result is sent to monitor controller simultaneously, in the data of monitoring out, when the difference of the maxima and minima in the carbon emission concentration data that front and back record for ten times is less than 0.001mg/L, that is: during Cmax-Cmin≤0.001mg/L, control aspiration pump by monitor controller to quit work 15min, to reach the effect of energy-conserving and environment-protective, simultaneously can extension device serviceable life.
Claims (3)
1. coal-burning power plant's carbon emission amount continuous monitor system, is characterized in that: described system comprises sampler, flue gas monitoring device, data analysis set-up, wireless base station apparatus, display screen and overcurrent protection;
Described sampler is divided into four groups, and often group comprises sampling gun, backing tube and thermopair, and described sampling gun and backing tube are provided with electric control valve; Described sampler is uniformly distributed on the periphery in the same cross section of described coal-burning power plant flue;
Described flue gas monitoring device comprises the aspiration pump, dehumidifier, fly-ash separator, flow monitor, temperature monitoring and the CO2/O2 concentration monitoring device that connect successively with pipeline, and pressure monitor; Described aspiration pump connects described sampling gun, and described temperature monitoring is connected with described thermopair, and described backing tube is connected with described pressure monitor;
Described data analysis set-up comprises interconnective counter and data-carrier store, and described data-carrier store is by described flow monitor, temperature monitoring, CO2/O2 concentration monitoring device and pressure monitor external with USB interface;
Described monitor controller is connected respectively by the electrically operated valve of control line and described sampler and aspiration pump;
Described monitor controller controls the electrically operated valve of sampler, making sampling gun successively from each measuring point sampling monitoring, when starting to monitor certain measuring point, closing the valve at other measuring point place; When in the data of monitoring out, the difference of the maxima and minima in the carbon emission concentration data that front and back record for ten times is less than 0.001mg/L, that is:, during Cmax-Cmin≤0.001mg/L, control aspiration pump and to quit work 15min;
Described wireless base station apparatus comprises wireless controller and signal wire, and data-signal is also converted into electric signal by the data-carrier store described in described wireless controller connects, and is sent by signal wire.
2. coal-burning power plant according to claim 1 carbon emission amount continuous monitor system, is characterized in that: described overcurrent protection is located on the feed circuit of system.
3. coal-burning power plant according to claim 2 carbon emission amount continuous monitor system, is characterized in that: described all devices are integrated in a casing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510179050.5A CN104819748A (en) | 2015-04-15 | 2015-04-15 | Continuous carbon discharging monitoring system for coal-fired power plant |
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| CN201510179050.5A CN104819748A (en) | 2015-04-15 | 2015-04-15 | Continuous carbon discharging monitoring system for coal-fired power plant |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242000A (en) * | 2015-10-29 | 2016-01-13 | 广东电网有限责任公司电力科学研究院 | Method for accurate measurement of carbon emission from coal-fired power plant |
| CN106525522A (en) * | 2016-12-27 | 2017-03-22 | 吉林省电力科学研究院有限公司 | Ammonia escaping and sampling device with self-cleaning system |
| CN108195638A (en) * | 2018-03-14 | 2018-06-22 | 华北电力科学研究院有限责任公司 | A kind of flue gas sampler for considering flue gas flow rate unevenness |
| CN109190967A (en) * | 2018-08-29 | 2019-01-11 | 华电电力科学研究院有限公司 | A kind of carbon emission amount accounting method and system for thermal power generation unit |
| CN109557037A (en) * | 2018-12-27 | 2019-04-02 | 南京理工大学 | Applied to the system and method for continuously monitoring mercury concentration in oxygen-enriching device |
| CN112595374A (en) * | 2020-12-30 | 2021-04-02 | 华电电力科学研究院有限公司 | Clean flue gas flow measuring method and system |
| CN113837600A (en) * | 2021-09-18 | 2021-12-24 | 西安热工研究院有限公司 | Coal-fired power plant carbon emission index real-time monitoring system and method |
| CN113865647A (en) * | 2021-09-27 | 2021-12-31 | 深圳市诺安传感技术有限公司 | Carbon emission monitoring system based on CEMS and implementation method |
| CN113884624A (en) * | 2021-09-29 | 2022-01-04 | 国网浙江省电力有限公司营销服务中心 | Power production exhaust emission detection system based on 5G communication |
-
2015
- 2015-04-15 CN CN201510179050.5A patent/CN104819748A/en active Pending
Non-Patent Citations (4)
| Title |
|---|
| 刘彦等: "《O2/CO2煤粉燃烧污染物特性实验和理论研究》", 31 July 2009 * |
| 徐懋生等: "《过电流保护原理及应用》", 31 July 2011 * |
| 易江等: "烟气连续排放监测系统（3测量气体浓度和烟气流速的在线监测系统）", 《现代科学仪器》 * |
| 薛圆圆等: "《USB应用开发宝典》", 31 March 2011 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242000A (en) * | 2015-10-29 | 2016-01-13 | 广东电网有限责任公司电力科学研究院 | Method for accurate measurement of carbon emission from coal-fired power plant |
| CN106525522A (en) * | 2016-12-27 | 2017-03-22 | 吉林省电力科学研究院有限公司 | Ammonia escaping and sampling device with self-cleaning system |
| CN108195638A (en) * | 2018-03-14 | 2018-06-22 | 华北电力科学研究院有限责任公司 | A kind of flue gas sampler for considering flue gas flow rate unevenness |
| CN109190967A (en) * | 2018-08-29 | 2019-01-11 | 华电电力科学研究院有限公司 | A kind of carbon emission amount accounting method and system for thermal power generation unit |
| CN109190967B (en) * | 2018-08-29 | 2020-09-01 | 华电电力科学研究院有限公司 | Carbon emission accounting method and system for thermal generator set |
| CN109557037A (en) * | 2018-12-27 | 2019-04-02 | 南京理工大学 | Applied to the system and method for continuously monitoring mercury concentration in oxygen-enriching device |
| CN112595374A (en) * | 2020-12-30 | 2021-04-02 | 华电电力科学研究院有限公司 | Clean flue gas flow measuring method and system |
| CN113837600A (en) * | 2021-09-18 | 2021-12-24 | 西安热工研究院有限公司 | Coal-fired power plant carbon emission index real-time monitoring system and method |
| CN113865647A (en) * | 2021-09-27 | 2021-12-31 | 深圳市诺安传感技术有限公司 | Carbon emission monitoring system based on CEMS and implementation method |
| CN113884624A (en) * | 2021-09-29 | 2022-01-04 | 国网浙江省电力有限公司营销服务中心 | Power production exhaust emission detection system based on 5G communication |
| CN113884624B (en) * | 2021-09-29 | 2024-02-13 | 国网浙江省电力有限公司营销服务中心 | Electric power production waste gas emission detecting system based on 5G communication |
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Application publication date: 20150805 |