Inside-annealing-furnace dust concentration online measurement apparatus and inside-annealing-furnace dust concentration online measurement method
A technology of dust concentration and measuring device, which is applied in the direction of measuring device, suspension and porous material analysis, particle suspension analysis, etc. The effect of massive accumulation
Inactive Publication Date: 2016-06-08
宝钢日铁汽车板有限公司
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The method disclosed in this patent document is not capable of continuous measurement and requires manual periodic weighing measurement. It is suitable for laboratory observation of changes in dust particles, but it is not suitable for industrial continuous monitoring
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[0059] The device and method for on-line measurement of dust concentration in an annealing furnace according to the present invention will be further described below based on specific embodiments and accompanying drawings, but this description does not constitute an improper limitation to the technical solution of the present invention.
[0060] figure 1 It shows the structure of the on-line measurement device for dust concentration in an annealing furnace in an embodiment of the present invention.
[0061] Such as figure 1 As shown, the online measurement device 1 for dust concentration in an annealing furnace under the above embodiment includes: an air pump 11 , a dust separation device 12 , a particle counter 13 , a PLC and a display 14 . The air pump 11 extracts the dust-containing gas from the annealing furnace to the dust separation device 12, and the dust separation device separates the dust-containing gas from dust and gas. The particle counter 13 is installed at the ...
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The present invention discloses an inside-annealing-furnace dust concentration online measurement apparatus, which comprises: a gas suction pump for sucking dust-containing gas out of an annealing furnace; a dust separation device for performing dust and gas separation on the dust-containing gas conveyed by the gas suction pump; a particle counter arranged on the outlet position of the dust separation device and used for performing particle counting on the dust entering the particle counter; and a PLC connected to the particle counter and used for receiving the result transmitted by the particle counter and calculating the dust concentration in the dust-containing gas by combining the sampled dust-containing gas content. The present invention further discloses an inside-annealing-furnace dust concentration online measurement method. According to the apparatus and the method of the present invention, the continuous measurement on the dust concentration inside the annealing furnace can be performed, and according to the concentrations of the dust having different particle sizes, the atmosphere in the annealing-furnace is timely subjected to the purification measure to reduce the dust particle concentration inside the annealing furnace, such that the buildup formed on the furnace roller surface can be avoided.
Description
technical field [0001] The invention relates to an on-line measuring device and method, in particular to an on-line measuring device and method for particles. Background technique [0002] The furnace of cold-rolled hot-dip galvanizing and continuous annealing unit is filled with protective gases such as nitrogen and hydrogen to realize non-oxidative annealing of strip steel. There are iron powder, residual oil, dust particles and other foreign matter attached to the surface of the steel strip. After entering the furnace of the continuous annealing unit, since the furnace is equivalent to a completely sealed high-temperature environment, these foreign matters have no way to be discharged, and will only be in the furnace. Gather more and more. The foreign matter suspended in the atmosphere in the furnace makes the protective atmosphere in the furnace like a polluted atmosphere, mixed with a lot of dust particles and iron powder. The tiny dust particles existing between the ...
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Inventor 王鲁陈东畏何建锋朱炜
Owner 宝钢日铁汽车板有限公司