Flue gas dust removal and desulfurization system
A desulfurization system and flue gas technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of high control requirements, high investment costs of wet electrostatic precipitators, and high investment costs, and improve gas-liquid transmission. Mass heat transfer, low and high efficiency dust removal effect, ensure the effect of spray effect
Pending Publication Date: 2021-06-18
佛山市三叶环保设备工程有限公司
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Problems solved by technology
[0003] The flue gas resistance of bag dust removal is high, and the bag needs to be replaced regularly. Due to the large number of bags, as long as one of the bags is damaged, the flue gas emission will not meet the standard and the maintenance is inconvenient; the limestone / lime-gypsum desulfurization system has complex components and high control requirements. , high energy consumption, easy to cause pipeline blockage, and gypsum rain phenomenon; wet electrostatic precipitator has high investment cost and complicated equipment, especially for units with a particle concentration of no more than 30mg / Nm3 after one dust removal, the investment cost per unit of particle removal is extremely high high
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[0031] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.
[0032] See attached Figure 1-2 As shown, a flue gas dust removal and desulfurization system in this embodiment includes a high-voltage electrostatic precipitator 1 and an integrated high-efficiency wastewater desulfurization and dust removal device 3. The high-voltage electrostatic precipitator 1 is provided with a flue gas inlet and a flue gas outlet, and an efficient wastewater desulfurization and dust removal integrated device The bottom side of 3 communicates with ...
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The invention relates to the technical field of dust removal and environmental protection equipment, and particularly discloses a flue gas dust removal and desulfurization system, which comprises a high-voltage electrostatic dust removal device and an efficient wastewater desulfurization and dust removal integrated device, and is characterized in that the bottom side of the efficient wastewater desulfurization and dust removal integrated device is communicated with a flue gas outlet of the high-voltage electrostatic dust removal device through an induced draft fan; a flow adjusting mass transfer layer, a hollow vortex spraying layer and a multi-pipe vortex dust removal demister are sequentially arranged in the efficient wastewater desulfurization and dust removal integrated device from bottom to top; a water outlet in the bottom of the efficient wastewater desulfurization and dust removal integrated device is connected with a circulating pool through a pipeline, and a circulating loop is formed between the water outlet and the hollow vortex spraying layer through a pipeline; the circulating pool is connected with an alkaline wastewater filtering pool through a pipeline and is connected with a liquid caustic soda feeding pipe; cloth bag replacement is not needed, cloth bag waste is not generated, high-voltage electrostatic dust collection is low in resistance, maintenance is convenient, and the ultra-clean discharge requirement can be met by combining waste water desulfurization and dust removal.
Description
technical field [0001] The invention relates to the technical field of dust removal and environmental protection equipment, in particular to a flue gas dust removal and desulfurization system. Background technique [0002] Flue gas dust removal and desulfurization systems that meet ultra-clean emission requirements mostly use bag dust removal, limestone / lime-gypsum desulfurization collaborative dust removal, integrated or electrostatic precipitator + limestone / lime-gypsum desulfurization + wet electrostatic precipitator. [0003] The flue gas resistance of bag dust removal is high, and the bag needs to be replaced regularly. Due to the large number of bags, as long as one of the bags is damaged, the flue gas emission will not meet the standard and the maintenance is inconvenient; the limestone / lime-gypsum desulfurization system has complex components and high control requirements. , high energy consumption, easy to cause pipeline blockage, and gypsum rain phenomenon; wet ele...
Claims
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IPC IPC(8): B01D50/00B01D53/50B01D53/78
CPCB01D50/00B01D53/78B01D53/50
Inventor 冯远强赵广荣何建华潘少冰叶卫华
Owner 佛山市三叶环保设备工程有限公司