Flue concentration treatment device for desulfurization wastewater and method for treating desulfurization wastewater by using same
A treatment device and desulfurization wastewater technology, applied in the direction of gaseous effluent wastewater treatment, water/sewage treatment, heating water/sewage treatment, etc., can solve problems such as low temperature and low efficiency of evaporation system
Pending Publication Date: 2020-06-09
DATANG ENVIRONMENT IND GRP
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Problems solved by technology
However, in the traditional low-temperature flue evaporation, due to the fast flow rate of the flue gas and the relatively low temperature, a large number of waste water droplets are not completely evaporated and are carried into the desulfurization tower by the flue gas, resulting in low efficiency of the evaporation system
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[0044] The technical solutions of the present invention will be clearly and completely described below in conjunction with embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0045] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " "Back", "Left", "Right", "Straight", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" and other directions or The positional relationship is based on the position or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descript...
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The invention relates to the technical field of wastewater treatment, in particular to a flue concentration treatment device for desulfurization wastewater and a method for treating desulfurization wastewater by using the same. The flue concentration treatment device for desulfurization wastewater comprises an adjusting tank, a clarification tank, a buffer tank and a flue, wherein the adjusting tank, the clarification tank, the buffer tank and the flue sequentially communicate with each other; a demister is arranged at the smoke outlet end of the flue, and the outer edge of the demister is connected with the inner surface of the flue in a clamped mode; and the demister communicates with the adjusting tank. After wastewater pretreated by the adjusting tank, the clarification tank and the buffer tank enters the flue, the wastewater is evaporated through waste heat of flue gas, so concentration of the wastewater is achieved. The demister is arranged at the flue gas outlet end of the flue,wastewater droplets taken away by the flue gas in the flue enter the demister and is collected, the demister communicates with the adjusting tank, and then the concentration process is repeated. Thedevice can effectively prevent wastewater droplets from entering a desulfurizing tower, and is high in concentration efficiency and low in wastewater treatment cost.
Description
Technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a flue concentration treatment device and method for desulfurization wastewater. Background technique [0002] With the increasingly stringent national energy conservation and environmental protection policies, especially the issuance and implementation of the "Ten Water Regulations", the state has strengthened the control of various types of water pollution, and has proposed strict source protection and ecological restoration systems to comprehensively control the discharge of pollutants. Focus on protecting water resources and make every effort to ensure the safety of the water ecological environment. [0003] Coal-fired power generation occupies an absolute advantage in my country’s power energy structure. In order to avoid SO in coal-fired power plants 2 Cause pollution, most coal-fired power plants adopt limestone-gypsum wet desulfurization process. During the wet desu...
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IPC IPC(8): C02F1/16C02F1/04B01D53/78B01D53/48C02F103/18
CPCC02F1/16C02F1/043C02F1/042B01D53/78B01D53/48C02F2103/18B01D2258/0283
Inventor 刘海洋谷小兵荆亚超李飞杨言高阳麻晓越彭思伟
Owner DATANG ENVIRONMENT IND GRP