Sulfur recovery equipment

Abstract

The invention relates to the technical field of sulfur recovery, in particular to sulfur recovery equipment which comprises a protective shell, two sets of supports are fixed to the lower surface of the protective shell, a reaction tank is arranged in the protective shell, a treatment mechanism is arranged on the protective shell, and the treatment mechanism comprises a fourth rotating rod. The stirring ball body rotates to drive amine liquid in the reaction tank body to shake, the contact area of the amine liquid and the waste gas is increased, the amine liquid and the waste gas are in better contact, the absorption speed of the amine liquid to H2S and CO2 is increased, sulfide in the waste gas is reduced or hydrolyzed into H2S and CO2 by hydrogen, such as reduction reaction: SO2 + 3H2 = H2S + 2H2O + Q, S + H2 = H2S + Q, hydrolysis reaction: COS + H2O = H2S + CO2 + Q, and SC2 + 2H2O = 2H2S + CO2 + Q, and the reaction speed of the amine liquid and H2S and CO2 is increased by shaking the amine liquid, and the recovery efficiency is improved.

Description

technical field [0001] The present application relates to the technical field of sulfur recovery, in particular to a sulfur recovery equipment. Background technique [0002] Usually, in the Claus sulfur recovery unit, the high-temperature process gas after combustion passes through the waste heat boiler and the primary condensing cooler successively to recover heat, generates steam and condenses the sulfur steam into liquid sulfur, separates the liquid sulfur and enters the primary reactor after reheating , under the action of the catalyst, the H in the process gas 2 S and SO 2 A reaction occurs to generate sulfur. After the reaction, the process gas is cooled by the secondary condensing cooler, and the sulfur vapor is condensed into liquid sulfur. The liquid sulfur is separated and reheated and then enters the secondary reactor. The remaining H 2 S and SO 2 The reaction continues to generate sulfur, and then it is cooled by a three-stage condensing cooler, and the proces...

AI Technical Summary

Problems solved by technology

[0003] For example, the Chinese patent discloses: a sulfur recovery tail gas condensation separation equipment, publication number: CN106082136A, this invention solves the problem of sulfur vapor carried by the tail gas at the outlet of the sulfur recovery device, and reduces the tail gas SO 2 emission, which improves the sulfur recovery rate of the device, but when the sulfur tail gas is treated, the H 2 S and SO 2 The absorption efficiency in amine liquid is slow, which affects the progress of the whole process

Images