Energy-saving falling film evaporation and concentration unit system
A concentration unit, falling film evaporation technology, applied in the direction of evaporation, evaporator accessories, chemical instruments and methods, etc., can solve the problems of not conforming to the concept of environmental protection, waste heat waste, etc., and achieve fast and full use of waste heat in the water vapor evaporation process Effect
Pending Publication Date: 2020-09-25
江苏东欣环保科技有限公司
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Problems solved by technology
[0004] The above existing technical solutions have the following defects: the evaporator of the falling film evaporation system will generate a lot of waste heat, but directly condensing it will cause a lot of waste heat to be wasted, which does not meet the country's vigorously promoted reduction of carbon emissions. Environmental protection concept
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[0018] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention. The present invention will be described in detail below in conjunction with the accompanying drawings.
[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0020] see figure 1 , a kind of energy-saving falling film evaporation concentration unit system, including falling film evaporator 3 and condensate tank 4 and steam compressor 9 for providing circulating steam with sufficient temperature and pressure, the feed end of falling film evaporator 3 is connected with The discharge end of the condensate preheating tank 1, the steam outlet of the falling film evaporator 3 is connected to the gas-liquid separator 5, the output por...
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The invention relates to an energy-saving falling film evaporation and concentration unit system, especially to the technical field of falling film evaporation systems. The system comprises a fallingfilm evaporator, a condensate tank and a steam compressor used for providing circulating steam with sufficient temperature and sufficient pressure, wherein a feeding end of the falling film evaporatoris communicated with a discharging end of a condensate preheating tank; a steam outlet of the falling film evaporator is communicated with a gas-liquid separator; an output port of the gas-liquid separator is communicated with a steam compressor; a condensate outlet of the falling film evaporator is communicated with the condensate tank; and a water inlet end of the condensate preheating tank iscommunicated with a water outlet end of the condensate tank.
Description
technical field [0001] The invention relates to the technical field of falling film evaporation systems, in particular to an energy-saving falling film evaporation concentration unit system. Background technique [0002] Falling film evaporation is to add the feed liquid from the upper tube box of the heating chamber of the falling film evaporator, and through the liquid distribution and film forming device, it is evenly distributed into each heat exchange tube, and flows down in a uniform film along the inner wall of the heat exchange tube. In the process of flowing down, it is heated and vaporized by the shell-side heating medium, and the generated steam and liquid phase enter the separation chamber of the evaporator together. After the vapor and liquid are fully separated, the steam enters the condenser for condensation (single-effect operation) or enters the next-effect evaporator As a heating medium to achieve multi-effect operation, the liquid phase is discharged from ...
Claims
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IPC IPC(8): B01D1/22B01D1/30
CPCB01D1/22B01D1/30
Inventor 王旭东
Owner 江苏东欣环保科技有限公司