Sludge indirect heat exchange evaporation dehydration coupled pyrolysis carbonization method and system

Sludge indirect heat exchange evaporation dehydration coupled pyrolysis carbonization method and system

The invention discloses a sludge indirect heat exchange evaporation dehydration coupling pyrolysis carbonization method. The method comprises the following steps: 1) temporarily storing wet sludge; 2)conveying the wet sludge into a sludge indirect heat exchange evaporation device for heat exchange d...

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Hauptverfasser: XIAO PEIMENG, MENG HUI, ZHOU XUEKUN, JING YUANZHUO
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
FUELS
LUBRICANTS
METALLURGY
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator XIAO PEIMENG
MENG HUI
ZHOU XUEKUN
JING YUANZHUO
description The invention discloses a sludge indirect heat exchange evaporation dehydration coupling pyrolysis carbonization method. The method comprises the following steps: 1) temporarily storing wet sludge; 2)conveying the wet sludge into a sludge indirect heat exchange evaporation device for heat exchange drying; 3) sending the dried sludge to a pyrolysis carbonization furnace for pyrolysis, separating out moisture and volatile matters in the sludge to form a combustible gas mixture, sending the combustible gas mixture to a pyrolysis gas combustion furnace for combustion, cooling the residual productin the sludge in the form of sludge carbon, and sending the cooled residual product to a storage system; 4) after high-temperature hot flue gas generated by combustion of the pyrolysis gas combustionfurnace provides heat for the carbonization furnace, feeding flue gas subjected to carbonization and heat absorption into a waste heat recovery device, heating the flue gas by using an added fuel togenerate a high-temperature
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subjects CHEMISTRY
DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
FUELS
LUBRICANTS
METALLURGY
PEAT
PETROLEUM, GAS OR COKE INDUSTRIES
TECHNICAL GASES CONTAINING CARBON MONOXIDE
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Sludge indirect heat exchange evaporation dehydration coupled pyrolysis carbonization method and system
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