Forced circulation evaporation system and online cleaning switching technology

Abstract

The invention discloses a forced circulation evaporation system and an online cleaning switching technology. The forced circulation evaporation system comprises a separation room, two or more heaters and two or more circulation pumps. A unit is composed of each heater and the circulation pump corresponding to the heater. Forced circulation is formed by each unit and the separation room through a circulation pipe. The units are connected in parallel. The forced circulation evaporation system further comprises a jet device, a cleaning circulation pump and a cleaning liquid storage tank. The two ends of each heater are provided with a first diverter switch and a second diverter switch respectively. The jet device, the cleaning circulation pump and the cleaning liquid storage tank are connected in sequence to form a cleaning branch circuit. One end of the cleaning branch circuit is communicated with the first diverter switches through a cleaning circulation pipe, and the other end of the cleaning branch circuit is communicated with the second diverter switches through a cleaning circulation pipe. The forced circulation evaporation system and the online cleaning switching technology have the advantages that the structure is simple and reasonable, operation is flexible, continuous, long-term and stable operation is achieved, and the operation cost is low.

Description

technical field [0001] The invention relates to a forced circulation evaporation system and an online cleaning switching process. Background technique [0002] The forced circulation evaporation system is widely used in the evaporation and concentration of aqueous or organic phase solutions in chemical industry, light industry and other industries. It is especially suitable for continuous or intermittent, single-effect or multi-effect evaporation and concentration of evaporative crystallization or easy-to-scald materials under normal pressure or vacuum conditions. The forced circulation evaporation system generally controls the system temperature, pressure, and motor speed through PLC, single-chip microcomputer, configuration, etc. to maintain the evaporation balance of the system. [0003] Traditional forced circulation evaporation system, its working principle and process, as attached figure 1 As shown, the traditional forced circulation evaporation system consists of a ...

AI Technical Summary

Problems solved by technology

[0004] The traditional forced circulation evaporation system is composed of a separation chamber, a heater and a circulation pump, and fouling is inevitable during long-term operation. Then, when it is necessary to stop for cleaning or maintenance, continuous operation or continuous production is required. It has a great impact on users, causing direct economic losses to users or lagging or even disconnection of the production chain

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