Desulfurization system

Abstract

The invention provides a desulfurization system, and particularly relates to the field of environmental protection equipment. The desulfurization system comprises a spray tower; the upper end and thelower end of the spray tower are provided with an waste gas inlet and an waste gas outlet respectively; the lower part of an inner cavity of the spray tower is provided with a guide plate, and the upper part of the inner cavity of the spray tower is provided with a plurality of spray devices; the guide plate is evenly provided with a plurality of through holes, and one side of each through hole isprovided with a nozzle; a heating box is arranged above the waste gas outlet; two ends of the heating box are provided with a raw waste gas inlets and a raw waste gas outlet respectively; the upper side and the lower side of the heating box are equipped with a defogging inlet and a defogging outlet; the two ends, connected with the heating box, of the defogging inlet and the waste gas outlet areprovided with blind plates symmetrically; each blind plate is evenly provided with a plurality of through holes; and the through holes of one of the blind plates are connected with the through holes of the other blind plate through heating pipes. The desulfurization system not only can improve the spray efficiency and effect of waste gas treatment, but also can reduce energy consumption.

Description

technical field [0001] The invention belongs to the field of environmental protection equipment, and in particular relates to a desulfurization system. Background technique [0002] Petroleum coke components are hydrocarbons, containing 90-97% carbon, 1.5-8% hydrogen, and nitrogen, chlorine, sulfur and heavy metal compounds. Petroleum coke is calcined to produce sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, Hydrocarbons and nitrogen oxides, etc., part of the sulfur dioxide and dust in the flue gas are not purified and discharged from the chimney of the calcination plant, which affects the environment; therefore, the desulfurization of petroleum coke waste gas is a necessary part of tail gas treatment; [0003] The existing desulfurization system generally needs to go through the spraying link and the demisting link. In the spraying link, the exhaust gas enters the spray tower from the bottom of the spray tower, and the upper part of the spray tower cavit...

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Problems solved by technology

[0003] The existing desulfurization system generally needs to go through the spraying link and the demisting link. In the spraying link, the exhaust gas enters the spray tower from the bottom of the spray tower, and the upper part of the spray tower cavity is equipped with a spray device. The spraying function of the shower tower washes the waste gas to realize the treatment of the waste gas, but the spraying efficiency of the existing spraying device is low; the demisting link needs to provide additional energy, which wastes a lot of energy

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