Condensate water discharge device of tobacco extract evaporation concentrator

Abstract

The invention relates to a condensate water discharge device of a tobacco extract evaporation concentrator, wherein a discharge tank is communicated with a collection tank by a vent pipe and a liquid through pipe; the upper end and lower end of the discharge tank are respectively connected with an air inlet pipe and a liquid discharge pipe; a high liquid level sensor and a low liquid level sensor are respectively arranged on the collection tank and the discharge tank; the vent pipe, the liquid through pipe, the air inlet pipe and the liquid discharge pipe are respectively provided with a controllable valve; the high liquid level sensor, the low liquid level sensor and all the controllable valves are respectively connected with a valve control device. The collection tank is connected with the lower part of an air duct in front of a fan of the concentrator; when the liquid level in the collection tank reaches the position of the high liquid level sensor, the controllable valves arranged on the vent pipe and the liquid through pipe are closed, and the controllable valves arranged on the air inlet pipe and the liquid discharge pipe are opened; the air enters the air inlet pipe, and the condensate water is discharged by the liquid discharge pipe; when the liquid level in the collection tank reaches the position of the low liquid level sensor, the controllable valves arranged on the vent pipe and the liquid through pipe are opened, and the controllable valves arranged on the air inlet pipe and the liquid discharge pipe are closed; the circle repeats, so that the condensate water in the air duct can be discharged.

Description

technical field [0001] The invention relates to the field of condensed water discharge, in particular to a condensed water discharge device for a tobacco extract evaporation concentrator. Background technique [0002] The function of the steam compression fan in the tobacco extract evaporator is to compress the secondary steam generated when the material evaporates, and the compressed steam becomes the heat source of the system evaporation. During the vapor compression process, condensed water will be generated in the air duct in front of the fan of the concentrator. In order to prevent the fan from entering water, when the condensed water is not discharged in time and the liquid level is too high, the protection switch will stop the fan to protect the fan. It will affect the normal operation of the evaporator. [0003] At present, the scheme for discharging the condensed water of the above-mentioned liquid evaporation concentrator during work is: a collection tank is conne...

AI Technical Summary

Problems solved by technology

The disadvantage of the above solution is that since the entire air duct and the collection tank are in a state of extremely negative pressure, the multistage centrifugal pump that discharges condensed water will often suck in air, which may cause the multistage centrifugal pump to fail to work normally. , affect production, and in severe cases, damage the multistage centrifugal pump

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