[China Glass Network] "Glass industry smoke dust" treatment, has a gratifying breakthrough in Shahe, Hebei Province, under the conditions of not using electric dust removal, bag filter, smoke dust concentration from 300mg/Nm3, below 30mg/Nm3 Emission standards. How did you do it?
The amount of flue gas in Shahe project is 180,000 Nm3/h, the concentration of soot in the desulfurization unit is 300 mg/Nm3, and the flue gas desulfurization adopts lime-gypsum desulfurization process. Reconstruction target requirements: The soot emission control index is 30 mg/Nm3.
The flue gas dedusting project adopts the patented product “4H high-efficiency micro-swirl dust removal and defogging device†from Beijing Zhiqingshi Environmental Protection Engineering Technology Co., Ltd., and a first-class “4H dust removal and defogging device†is installed in the desulfurization absorption tower. "4H auxiliary device", first-class "4H uniform device".
"4H high-efficiency micro-swirl dust removal and defogging device mainly controls the emission of soot particles and droplets with a particle size of less than 5 microns, and has excellent practical technical advantages such as desulfurization, synergistic mercury removal, source smog and elimination of gypsum rain. Compared with the tube-type dust collector, it has four advantages: unique internal structure, less fouling and clogging, suitable for complex gas sources with high dust content, and case-making technical solutions. It has strong adaptability to different wet desulfurization processes. Mr. Ma summarized the technology and products.
"The source of flue gas for the 4h device, one is a large and medium-sized coal-fired boiler, the second is a sintering machine, a steel-making furnace, which is the metallurgical industry, and the third is the coke oven flue gas, which is the dust of the coke oven exhaust. The fourth is the glass kiln, the ceramic kiln, the fifth is the cement kiln, and there are some other complicated origins. When developing this product, we noticed that the different flue gas, its soot composition and its particle size distribution are not Similarly, the composition of boiler flue gas dust is still relatively clear, but the particle size distribution has been specially analyzed. For each new flue gas source, first of all, the composition and particle size distribution of its soot is more detailed. Analyze and then study specific dust removal schemes."
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