Semidry method desulfurization tower device

Semidry method desulfurization tower device

The invention provides a semidry method desulfurization tower device which comprises an inlet flue, a flue gas inlet guide plate, a first-level humidifying activation spray nozzle, a desulfurizer powder distributor, a first-level multi-tube venturi tube, a material return pipe, a second-level humidi...

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Hauptverfasser: CHEN XUEGONG, PENG CHANGSHOU, YIN HAIBIN, LIU HUAIPING
Format: Patent
Sprache:eng
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PERFORMING OPERATIONS
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SEPARATION
TRANSPORTING
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creator CHEN XUEGONG
PENG CHANGSHOU
YIN HAIBIN
LIU HUAIPING
description The invention provides a semidry method desulfurization tower device which comprises an inlet flue, a flue gas inlet guide plate, a first-level humidifying activation spray nozzle, a desulfurizer powder distributor, a first-level multi-tube venturi tube, a material return pipe, a second-level humidifying activation spray nozzle, a second-level single-tube venturi tube, a reserved humidifying activation spray nozzle, a gradually-enlarged square joint circular tube, a gas-solid separation baffle, an outlet flue, a desulfurization tower body and an ash hopper. The first-level multi-tube venturi tube is connected with a lower barrel body of a desulfurization tower and a middle barrel body of the desulfurization tower, the second-level single-tube venturi tube is connected with an upper barrel body of the desulfurization tower and the middle barrel body of the desulfurization tower, the gradually-enlarged square joint circular tube is connected with the upper barrel body of the desulfurization tower and the outlet flue, and the ash hopper is connected with the lower barrel body of the desulfurization tower. In the working process, flue gas containing SO enters the lower barrel body of the desulfurization tower from the inlet flue, under the action of the first-level multi-tube venturi tube, desulfurizer powder with large suspended particles is mainly concentrated in a circulating fluidized bed on the lower layer, and under the action of the second-level single-tube venturi tube, desulfurizer powder with small suspended particles is mainly concentrated in a circulating fluidized bed on the upper layer, so that the two-level circulating fluidized desulfurization effect is achieved.
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subjects PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title Semidry method desulfurization tower device
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