Electric Heating Multi - Effect Distilled Water Machine Working Principle

The machine shall be connected with the pipeline and circuit as required. After the power is switched on, water will enter the electric furnace automatically. When the water level of the electric heater reaches a certain level, stand by. Turn on the electric heater and start heating. The steam pressure will be generated in ten minutes. When the steam pressure is greater than or equal to 0.3mpa, open the steam valve and supply steam to the distilled water machine.

The feed water (RO water) from the purification tank passes through the condenser and is repeatedly heated through 6 distillation column preheaters to make full use of the heat energy and then distilled to obtain extremely pure distilled water.

The working process is as follows: the feed water is led into the distilled water machine from the pipe opening C to the condenser, and the feed water in the condenser is preheated by the distilled water and non-pyrogenic steam from the last tower, the temperature of the feed water out of the condenser is over 80oC, and then it flows through tower 6... The preheater of Tower 2 and Tower 1 further heats the feed water. When the feed water enters the tower from the top of Tower 1, the temperature has exceeded 100oC. Into a high temperature and feed water is from the entrance of the tower into the plant steam heating, a feed water run down along the inner surface film shaped tower and rapid evaporation, plant steam condensate b from the export, part of the feed water steam, the steam generated is used as the heat source, a part of the feed water does not evaporate as feed water is fed into the next tower, tower 2, 3, so on, finally from 4 DaChu high-purity distilled water and residual steam into the condenser, qualified by the feed water and cooling water cooling and condensation, export flow of water from the condenser is distilled water. The quality of the distilled water is controlled by the distilled water resistance meter. If the quality of the distilled water meets the specified requirements, it is exported from the pipeline I; If the quality of distilled water does not meet the specified requirements, it is exported from wire mouth J. The outlet temperature of distilled water is 90℃ ~ 99℃, controlled by cooling water regulation system. The remaining unevaporated feed water in the four towers contains all the impurities gathered during the distillation process and is discharged from the distiller outlet H.

When it is necessary to produce pure steam, the pure steam output can be automatically switched to meet the requirements of the system.

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