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On-line testing device of carbon content in flying ashes in boiler flue for coal power station

A technology for carbon content in fly ash and boiler flue, which is applied in sampling devices, preparation of test samples, and weighing by removing certain components, and can solve the problems of microwave carbon measurement technology affected by changes in coal types. , to achieve the effect of high measurement accuracy

Inactive Publication Date: 2007-02-28
南京大陆中电科技股份有限公司
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art, to provide a coal-fired power plant boiler flue ash carbon content online detection device based on the weightlessness technology, which not only solves the problem that the microwave carbon measurement technology is affected by the change of coal type, Moreover, it solves the technical problem of carbon measurement technology by weight loss method from laboratory measurement application to industrial site real-time online measurement

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  • On-line testing device of carbon content in flying ashes in boiler flue for coal power station
  • On-line testing device of carbon content in flying ashes in boiler flue for coal power station
  • On-line testing device of carbon content in flying ashes in boiler flue for coal power station

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] As shown in Figures 1, 2, 3, 4, and 5. An on-line detection device for carbon content in fly ash of coal-fired power station boiler flue based on weightlessness technology, which consists of a sampler 1 installed on the wall of the flue, a measurement box 20 and a control box 25 installed below the sampler 1 .

[0024] The sampler 1 is composed of a sampling pipe 2 , a cyclone dust collector 5 , an injection elbow 4 and an injection pipe 3 .

[0025] The measuring box 20 is composed of an ash feeding pipe 6 connected to the lower port of the cyclone dust collector 5, a vibrator 7 installed on the mounting frame 42 of the ash feeding pipe 6, and an electric furnace for burning the ash sample. 8. A temperature controller 10 for controlling the temperature of the electric furnace 8, a turntable 11 for placing the loaded crucible 9 on hold, and four...

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Abstract

The invention relates to an online carbon content detector with weight loss technique, used in the smoke channel of boiler of coal power station, wherein said device is characterized in that: it is formed by sampler (1) and testing bank (20); the sample tube (2) and ejection tube (3) of sampler (1) are inserted into the smoke channel; the ash open of cyclone dust collector (5) is connected with ash adding tube (6) inside the testing bank (20), to add ash into the pot (9) of testing bank (20); the testing bank (20) also contains a heater for heating pot (9) and a balance (19) for testing the ash weight of pot (9). The invention has high testing accuracy, without affected by coal kind, to provide real-time and correct supports to optimize burning.

Description

technical field [0001] The invention belongs to the field of detection of fly ash in the flue of a coal-fired power station boiler, and relates to a device for online carbon content detection of the fly ash in the flue of a coal-fired power station boiler by using the weightlessness technology. Background technique [0002] The carbon content of fly ash in the flue of coal-fired power plant boilers is an important indicator reflecting the combustion efficiency of coal-fired boilers in thermal power plants. Real-time online detection of carbon content in fly ash will help guide the operation to adjust the air-to-coal ratio correctly and improve the level of boiler combustion control; Reasonable control of the carbon content of fly ash is beneficial to reduce the cost of power generation and improve the economy of unit operation. [0003] The on-line detection devices for the carbon content of boiler flue fly ash currently in use in domestic power plants basically use microwav...

Claims

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Application Information

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IPC IPC(8): G01N5/04G01N1/20G01N1/44
Inventor 张明春宋兆龙梅义忠王恒山李亚军杨瑾胡成鹄焦洪波
Owner 南京大陆中电科技股份有限公司
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