Desulfurization dust removal deep cooling exchange all-in-one machine

Abstract

The invention relates to boiler auxiliary equipment. The technical problems to be solved are that as heat exchange equipments for desulfurization, dust removal and heat recovery of exhaust fumes of boilers are separated from one another, the structure is huge and the construction cost is high, and as the heat exchange equipment is in an interval heat exchange mode and can not recycle heat of low-temperature flue gas below dewpoint, the heat exchange efficiency is low and the energy resource is wasted. According to the adopted technical scheme, a desulfurization dust removal deep cooling exchange all-in-one machine comprises a vertical fixed barrel, a vertical rotary body arranged in the vertical fixed barrel, an upper bearing pedestal, a lower bearing pedestal and a whitewash spraying device, wherein the vertical rotary body comprises a vertical rotary barrel, a vertical sleeve arranged at the center of the vertical rotary barrel, an upper rotary vertical shaft, a lower rotary vertical shaft and a heat carrier endless chain, and the vertical rotary barrel is internally provided with a number of heat carrier cavities with equal fan-shaped openings, which are spaced by vertical clapboards; and the vertical rotary barrel; and two fan-shaped sealing devices, central angles of which correspond to the central angles of the fan-shaped openings of the heat carrier cavities, are correspondingly and respectively distributed at an upper port end and a lower port end of the vertical fixed barrel.

Description

technical field [0001] The invention relates to boiler auxiliary equipment, in particular to a desulfurization, dust removal, cryogenic and exchange integrated machine. Background technique [0002] Existing boiler auxiliary equipment such as desulfurization, dust removal and heat exchange for heat recovery at the tail of the boiler are all separate from each other and have a corresponding single function. To achieve desulfurization, dust removal and heat recovery of the tail gas of the boiler, Desulfurization, dust removal and heat exchange equipment must be equipped at the same time. The disadvantage is that the structure is huge and the cost is high, and the existing heat exchange equipment is heat exchange at intervals, and is restricted by low temperature condensation, so it cannot realize cryogenic heat exchange. Thermal inefficiency. Contents of the invention [0003] The technical problem to be solved by the present invention is that the existing heat exchange equ...

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the existing heat exchange equipment for desulfurization, dust removal and heat recovery of boiler tail flue gas are separated from each other to form a huge structure and high cost, and the heat exchange equipment is interval heat exchange, which cannot Recycling, low-temperature flue gas heat below the dew point leads to low heat exchange efficiency and waste of energy

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