Spraying and whitening device

The utility model discloses a spraying and whitening device. The device is provided with at least one stage of second circulation loop, a refrigerating device and at least one stage of second heat exchanger, flue gas enters from the bottom of the absorption device and is in countercurrent contact wi...

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Bibliographic Details
Main Authors WANG ZHENGRONG, WANG HUA, WANG YANG, LI WEI, SHEN JIANYONG, ZHANG NANJI, SHEN MINGZHONG
Format Patent
LanguageChinese
English
Published 13.09.2019
Subjects
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
FLUES
HEATING
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES
SEPARATION
TRANSPORTING
WEAPONS
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Summary:The utility model discloses a spraying and whitening device. The device is provided with at least one stage of second circulation loop, a refrigerating device and at least one stage of second heat exchanger, flue gas enters from the bottom of the absorption device and is in countercurrent contact with a concentrated solution or clear water sprayed at the top of the absorption device; in the heating season, the concentrated solution absorbs moisture in the flue gas and becomes thin, latent heat is released in the phase change process of the separated moisture, the flue gas and the saline solution are heated, the heated solution exchanges heat through a second heat exchanger or a refrigerating device on a second circulation loop, and the balance state in the absorption device is flexibly controlled by utilizing the amount of the taken-away heat; in a non-heating season, besides a concentrated solution, clear water can be used for spraying to cool flue gas and saturate purified flue gas for temperature reduction
Bibliography:Application Number: CN201822009875U