Full-load dust remover efficiency improvement and wastewater evaporation system
A technology of evaporation system and dust collector, which is applied in the field of wastewater evaporation, can solve the problems of large investment costs, etc., and achieve the effects of increased dust particle size, convenient operation, improved efficiency and removal rate
Pending Publication Date: 2020-10-02
XIAN THERMAL POWER RES INST CO LTD +1
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Problems solved by technology
[0003] Due to the variability of fuel and working conditions of coal-fired units and the operating loss of the dust collector, it is very difficult for the dust removal system to meet the emission standards for a long time. The dust removal pressure of the electrostatic precipitator. At present, most of the front-stage dust collectors have undergone efficiency improvement transformation, and their dust removal capacity has basically been maximized. If it is modified again, it will require a large investment cost
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[0016] The present invention is described in further detail below in conjunction with accompanying drawing:
[0017] refer to figure 1 , the full-load deduster efficiency improvement and wastewater evaporation system of the present invention includes desulfurization wastewater pipelines, a water conditioning system 41, a wastewater preheating system 1, an air compressor 3, an air conditioning system 42, an atomization evaporation system 2, a boiler, SCR denitrification device 8, air preheater 9 and dust collector 10; the desulfurization wastewater pipeline is connected with the heat-absorbing side inlet of the wastewater preheating system 1 through the water conditioning system 41, and the outlet of the air compressor 3 is connected with the air conditioning system 42. The outlet of the heat-absorbing side of the waste water preheating system 1 is connected to the inlet of the nozzle in the atomization evaporation system 2 through pipes and tubes. The outlet of the boiler is d...
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The invention discloses a full-load dust remover efficiency improvement and wastewater evaporation system. A desulfurization wastewater pipeline is communicated with an inlet of a heat absorption sideof a wastewater preheating system through a water adjusting system. An outlet of an air compressor passes through an air adjusting system, is combined with an outlet of the heat absorption side of the wastewater preheating system through a pipeline and is then communicated with an inlet of a nozzle in an atomization evaporation system. An outlet of a boiler is divided into three paths after passing through an SCR denitration device, wherein a first path is communicated with a flue gas inlet of the atomization evaporation system through an air preheater, a second path is communicated with theflue gas inlet of the atomization evaporation system through a heat release side of the wastewater preheating system, a third path is communicated with the flue gas inlet of the atomization evaporation system, and an outlet of the atomization evaporation system is communicated with an inlet of a dust remover. The system can effectively improve the efficiency and removal rate of the dust remover and reduce the treatment capacity of desulfurization wastewater of a power plant.
Description
technical field [0001] The invention belongs to the technical field of wastewater evaporation, and relates to a full-load deduster efficiency improvement and wastewater evaporation system. Background technique [0002] With the progress of ultra-low emission transformation of thermal power plants, the transformation of ultra-low emission of flue gas and dust has basically come to an end. The transformation methods currently used include low-temperature electrostatic precipitator + desulfurization collaborative dust removal, electric precipitator efficiency improvement transformation + desulfurization and dust removal + wet electrostatic precipitator Dust collector, electric bag (cloth bag) dust collector + desulfurization collaborative dust removal, electric bag (cloth bag) dust collector + desulfurization dust removal + wet electrostatic precipitator and other technical routes. [0003] Due to the variability of fuel and working conditions of coal-fired units and the operat...
Claims
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IPC IPC(8): B01D50/00B01D53/86C02F1/04B01D53/56
CPCB01D50/00B01D53/8625C02F1/04
Inventor 刘源陈建英李东阳白小锋段荣明刘玺璞董锋
Owner XIAN THERMAL POWER RES INST CO LTD