MERCURY REMOVAL SYSTEM, GASIFICATION SYSTEM, GASIFICATION COMBINED POWER GENERATION SYSTEM AND MERCURY REMOVAL METHOD

摘要

Provided is a mercury removal system 1 provided in a powder supply system including a pulverizing machine 118 that pulverizes a hydrocarbon raw material, the mercury removal system including: a removal agent supply device 11 which supplies a mercury removal agent; and a mercury removal agent dust collector which collects the dust of the mercury removal agent, wherein a gas discharge line to which the dry flue gas is supplied is connected to the mercury removal agent dust collector, wherein the removal agent supply device includes a mercury removal agent supply line which supplies the mercury removal agent, and wherein the mercury removal agent supply line is connected to the upstream side of the mercury removal agent dust collector in the circulation direction of the dry flue gas.

主权项

1. A mercury removal system provided in a powder supply system including a pulverizing machine that pulverizes a hydrocarbon raw material along with a dry gas supplied from the outside so as to become a powder raw material, the mercury removal system comprising:
a removal agent supply device which supplies a mercury removal agent for removing mercury contained in a dry flue gas discharged from the pulverizing machine; and a mercury removal agent dust collector which collects the dust of the mercury removal agent so as to be separated into the mercury removal agent and a pure gas, wherein a gas discharge line to which the dry flue gas is supplied is connected to the mercury removal agent dust collector, wherein the removal agent supply device includes a mercury removal agent supply line which supplies the mercury removal agent, and wherein the mercury removal agent supply line is connected to the upstream side of the mercury removal agent dust collector in the circulation direction of the dry flue gas.