Double-effect evaporator system
An evaporator and evaporative heat exchange technology, which is applied in chemical instruments and methods, heating water/sewage treatment, multi-stage water treatment, etc. problem, to achieve the effect of maximizing the utilization of steam heat energy
Active Publication Date: 2020-01-17
武汉天空蓝环保科技有限公司
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Problems solved by technology
Scaling causes the evaporator to not operate stably for a long time, and at the same time, scaling leads to low evaporation efficiency and high energy consumption of the evaporator
Method used
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] see figure 1 , the embodiment of the present invention provides a double-effect evaporator system, including a waste water tank 1, a condensed water tank 2, a first steam delivery pipeline 3, a first evaporative heat exchange component 4, a second evaporative heat exchange component 5 and a second The steam delivery pipeline 6, in which the waste water tank 1 can be used to store desulfurization waste water, the whole system can be used to realize the c...
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The invention provides a double-effect evaporator system. The double-effect evaporator system comprises a waste water tank, a condensate water tank, a first steam conveying pipeline, a first evaporation heat exchange assembly, a second evaporation heat exchange assembly and a second steam conveying pipeline; the first evaporation heat exchange assembly comprises a first evaporator and a first circulation pipeline; a water discharging port of the first evaporator communicates with a second water inlet of a second evaporator through the first circulation pipeline; the second evaporation heat exchange assembly comprises the second evaporator and an evaporation separator; the water discharging port of the first evaporator communicates with the second evaporator through a concentration pipeline; a water outlet of the evaporation separator communicates with a water inlet of the second evaporator through the second circulation pipeline; and a first water discharging pipe is arranged at the bottom of the evaporation separator. In the double-effect evaporator system, the first evaporation heat exchange assembly and the second evaporation heat exchange assembly adopt a circulating evaporation mode, so that the fact that the first evaporator and the second evaporator are difficult to scale is guaranteed, steam heat energy is maximally utilized, energy is saved and consumption is reduced.
Description
technical field [0001] The invention relates to an evaporator, in particular to a double-effect evaporator system. Background technique [0002] In order to meet the national environmental protection requirements, SO 2 , SO 3 As the main cause of "colored plume" and acid rain in the flue gas emissions of domestic power plants or other coal-fired equipment, flue gas desulfurization treatment has become the main treatment method. At present, coal-fired power plants mainly use limestone-gypsum wet flue gas desulfurization process. In this process, the desulfurization circulating slurry continuously absorbs chloride from the flue gas and limestone, resulting in an increase in the concentration of chloride ions, which will bring many adverse effects, such as: inhibiting the dissolution of limestone; reducing the pH value of the slurry ; Affect the absorption effect of sulfur dioxide; make calcium sulfate (CaSO 4 ) is easy to scale; it is also easy to cause corrosion of metal ...
Claims
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Login to View More IPC IPC(8): C02F1/04C02F103/18
CPCC02F1/042C02F2103/18C02F2301/08
Inventor 李湧张涛尹卫华
Owner 武汉天空蓝环保科技有限公司