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Membrane method concentration-high temperature evaporation drying process desulfurization wastewater device and method

A desulfurization wastewater, high temperature technology, applied in chemical instruments and methods, gaseous effluent wastewater treatment, water softening, etc., can solve problems such as unsatisfactory treatment results and complex wastewater treatment processes, and achieve good effluent quality and high degree of automation. , the effect of investment saving

Pending Publication Date: 2020-07-10
SHANDONG ACAD OF CHINESE MEDICINE +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing wastewater treatment process is relatively complicated, and the treatment results are not ideal

Method used

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  • Membrane method concentration-high temperature evaporation drying process desulfurization wastewater device and method
  • Membrane method concentration-high temperature evaporation drying process desulfurization wastewater device and method
  • Membrane method concentration-high temperature evaporation drying process desulfurization wastewater device and method

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Embodiment Construction

[0042] For ease of description, spatially relative terms such as "upper," "lower," "left," and "right" may be used herein to describe the relationship of one element or feature relative to another element or feature shown in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative specifications used herein interpreted accordingly.

[0043] attached Figure 1-5 It is a schematic diagram of a specific embodiment of the present invention. A membrane method concentration-h...

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Abstract

The invention discloses a membrane method concentration-high temperature evaporation drying process desulfurization wastewater device which comprises a wastewater tank of which one end is connected with a triple tank and a blending tank which is connected with the triple box; the other end of the blending tank is connected with a wastewater buffer box. One path of the wastewater buffer tank is connected with a reverse osmosis system, the other path of the wastewater buffer tank is connected with a cyclone atomizer in the spray drying tower, the reverse osmosis system is provided with a concentrated solution pipeline and a permeate liquid pipeline, the other end of the concentrated solution pipeline is connected to the wastewater buffer tank, and the other end of the permeate liquid pipeline is connected with a water storage tank. The desulfurization wastewater treatment method using the membrane concentration-high-temperature evaporation drying process desulfurization wastewater devicemainly comprises the steps that wastewater is pretreated firstly and then passes through the reverse osmosis device, passing liquid enters the water storage tank, and concentrated liquid flows back to the buffer tank and then is atomized to be mixed with flue gas for mass transfer and heat transfer. According to the technical scheme, investment is saved, operation and maintenance are easy and convenient, the operation cost is low, the whole process can effectively reduce the amount of dust in bypass flue gas after wastewater is evaporated, and the load of the dust remover is reduced.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to a desulfurization wastewater device and a treatment method of a membrane method concentration-high temperature evaporation process. Background technique [0002] Flue gas desulfurization is an effective means to control sulfur emissions from thermal power plants. At present, most thermal power coal-fired units in my country have installed flue gas desulfurization devices. So far, hundreds of flue gas desulfurization technologies have been developed at home and abroad, among which limestone-gypsum wet flue gas desulfurization technology is the most mature, accounting for about 85% of the flue gas desulfurization systems that have been put into operation in the world. Except for the comprehensive utilization of energy generating units that use coal, rock, etc. as fuels, the circulating fluidized bed desulfurization technology is adopted, and other units mostly use the limestone-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04C02F9/10C02F103/18
CPCC02F1/12C02F1/16C02F1/441C02F1/66C02F5/02C02F9/00C02F2103/18C02F2301/063C02F2301/08
Inventor 袁敏陈国利田超曹珊珊
Owner SHANDONG ACAD OF CHINESE MEDICINE
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