Online measuring device and method for hearth flame spectral attenuation coefficient distribution
A technology of attenuation coefficient and measuring device, which is applied in the field of online measuring device for the distribution of spectral attenuation coefficient of furnace flame, can solve the problems of the influence of boiler combustion stability, complex structure, unknown working environment, etc., and achieves suppression of measurement influence and high accuracy of measurement model. , the effect of low cost
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[0042] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0043] The transmitting and receiving positions of the present invention and the grid division of the furnace are as follows: figure 1 shown. according to figure 1 Open 8 fire observation holes at equiangular intervals on the furnace wall, connect the blue single-mode fiber-coupled pulse laser with a center wavelength of 450nm to the upper-level beam splitter, divide the laser into 8 branches, and pass through the single-mode The optical fiber is connected to the vicinity of each fire observation hole, and the single-mode optical fiber near each fire observation hole is connected to a secondary beam splitter, and each branch is divided into 7 bundles, and fixed on the up...
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