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Kangyue environmental protection provides you with lingman smoke concentration diagram

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Kangyue environmental protection provides you with lingman smoke concentration chart

Source: Botou Kangyue environmental protection Release time: 2012/6/12 8:28:42
In the late 19th century, ringerman proposed the smoke concentration. This method is to place the map in an appropriate position, so that the blackness on the map is compared with the blackness (or opacity) of smoke, and the evaluation is based on vision.

Kangjie environmental protection provides you with Lingman smoke Concentration diagram

Lingman smoke The concentration plot is nineteen It was put forward by ringerman of France at the end of the century. This method is to place the map in an appropriate position, so that the blackness on the map is compared with the blackness (or opacity) of smoke, and the evaluation is based on vision. In the emission standard of air pollutants for industrial furnaces, the emission limit (except for metal roasting furnaces) is that the blackness of flue gas is not greater than one Level. There are many kinds of specifications of Ringer's diagram 14c m ×21cm The blackness is different six Small pieces. Except for all white and all black blocks two Other four Blocks are black bars of different widths drawn on a white background. According to the percentage of black area in the grid 0-5 In this paper, a new method is proposed zero Grade is all white, five It's all black, one The black bar occupies the whole area 20% two Grade occupation 40% And so on, as shown in the figure

Lingman flue gas concentration

Lingman Smoke concentration diagram Characteristics of

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Appearance characteristics of flue gasope体育

Percentage of black bar in total area of small block

zero

All whiteope体育

zero

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Micro grey

twenty

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fortyope体育

three

dark greyope体育

sixty

four

dark gray

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five

All black

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The size of the standard form of Ringer's diagram is large_ It is inconvenient for one person to operate on the support, and there is a long space between the observer and the chimney. Therefore, some foreign researchers have developed other types of observation equipment according to the same principle.

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