Multi-temperature water-vapor mixing drive horizontal tube falling film multi-effect evaporation crystallization device
A water vapor mixing, horizontal tube falling film technology, applied in the direction of multi-effect evaporation, horizontal tube evaporator, evaporation, etc., can solve the problem of not being able to fully utilize the heat of waste hot water, and achieve the effect of making full use of water resources and ensuring efficiency
Active Publication Date: 2018-11-02
DEYANG CITY ZHONGJIA IND CO LTD
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Problems solved by technology
[0004] When using the temperature of industrial waste hot water, it is often not possible to fully utilize the heat contained in the waste hot water. Therefore, it is necessary to further improve the design for the heat utilization rate of industrial waste hot water.
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Embodiment 1
[0041] A multi-temperature water-vapor mixing drive horizontal tube falling film multi-effect evaporation crystallization device, such as figure 1 As shown, at least 2 steam generators, at least 2 evaporators, condenser 5, separator 30 and steam drive device 31 are included, and the separator 30 is provided with a feed inlet 30a, a liquid material outlet 30c and a slurry Exit 30b, eg image 3 As shown, the steam generator is provided with a first liquid inlet 19, a gas outlet 20 and a liquid discharge port 21, and the liquid channel of each steam generator and the feed port 30a of the separator 30 connect the high-temperature waste water pipe 14 in series. It communicates with the separator 30, and the evaporator is also provided with a second liquid inlet 29; as figure 2 As shown, the evaporator is provided with a condensate nozzle 10, a feed liquid replenishment nozzle 12, a feed liquid discharge nozzle 13 and a steam nozzle 11 for steam circulation, and the steam passages o...
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The invention discloses a sea water desalting device, and especially discloses a multi-effect evaporative crystallization device with a multi-temperature steam combination drive cross tube and a falling film, belonging to the technical field of sea water desalting devices. The device comprises at least two steam generators, at least two evaporators, a condenser, a separator and a steam driven device, wherein the steam generators utilize multi-temperature waste hot water with high temperature and low temperature for driving, and combined with the steam driven device which supplements driving steam, sea water is desalted in the evaporators, the condenser condenses and collects steam, and the generated concentrated solution finally flows into the separator, so that the water resource is cyclically utilized and the evaporation crystallized crystals are collected. The multi-effect evaporative crystallization device solves the problem of utilization of industrial waste hot water, multi-temperature waste hot water can be utilized, the efficiency of sea water desalination is improved by combining the steam driven device which supplements the driving steam, and simultaneously the water resource is cyclically utilized and useful solute is collected by combining the separator.
Description
technical field [0001] The invention relates to a seawater desalination device, in particular to a multi-temperature water-vapor mixed-driven horizontal-tube falling-film multi-effect evaporation crystallization device, which belongs to the technical field of seawater desalination devices. Background technique [0002] At present, many distillation devices have many designs to meet liquid-liquid separation, such as forced circulation, flash evaporation, horizontal tube falling film, etc. These designs all need to consume steam to drive, and there are also vapor compression distillation devices driven by electric energy. Both electric energy and steam drive consume high-grade energy, and there is a large amount of hot water in industrial production, none of the existing distillation devices use hot water as power drive, and the horizontal tube falling film evaporation device does not use hot water drive. [0003] In industrial production, especially in coastal areas, most ind...
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IPC IPC(8): B01D1/00B01D1/04B01D1/22B01D1/26B01D1/30C02F1/04C02F1/16C02F103/08
CPCB01D1/0041B01D1/0058B01D1/04B01D1/22B01D1/26B01D1/30C02F1/04C02F1/16C02F2103/08C02F2301/046C02F2303/10Y02A20/124
Inventor 杨继禄陈强聂森曲向民
Owner DEYANG CITY ZHONGJIA IND CO LTD