Continuous sodium acetate evaporation crystallization system and continuous sodium acetate evaporation crystallization method

Abstract

The present invention relates to a continuous sodium acetate evaporation crystallization system, which comprises an evaporation system and a crystallization system, wherein the outlet of the evaporation system material inlet pump is respectively connected with an evaporation heater and a pre-heater, the material outlet of the pre-heater is communicated with the evaporation heater, the material outlet of the evaporation heater is connected with the material inlet of an evaporation separation chamber, the material outlet of the evaporation separation chamber is respectively connected with the inlets of a first circulation pump and a material outlet pump, the first circulation pump is communicated with the evaporation heater, the outlet of the material outlet pump is connected with the material inlet of a cyclone, the material outlet on the top portion of the cyclone is connected with the material inlet of a crystallization separation chamber, the material outlet on the top portion of the crystallization separation chamber is connected with the inlet of a second circulation pump, the outlet of the second circulation pump is connected with the material inlet of a cooler, the material outlet of the cooler is connected with the material inlet of the crystallization separation chamber, and the material outlet on the bottom portion of the crystallization separation chamber is connected with a slurry pump. According to the present invention, the continuous production way of the sodium acetate evaporation crystallization is achieved, such that the product quality is easily stabilized, the production efficiency is easily increased, and the energy source consumption of the whole production process can be reduced.

Description

technical field [0001] The invention belongs to the technical field of evaporative crystallization production, and in particular relates to a continuous evaporative crystallization system and method for sodium acetate. Background technique [0002] The existing evaporation and crystallization device is mainly composed of evaporation system, crystallization tank, heating device, etc. Its working principle is that the power steam enters the evaporation system to evaporate and concentrate the material, and the concentrated material is respectively loaded into two or more cooling crystallizers. tank, and then pour cooling water into the jacket of the cooling crystallization tank to cool and crystallize the material. The entire production process includes operations such as feeding, cooling, and discharging. High operating costs, unstable product quality, low production efficiency and other shortcomings. Contents of the invention [0003] The technical problem to be solved by ...

AI Technical Summary

Problems solved by technology

[0002] The existing evaporation and crystallization device is mainly composed of evaporation system, crystallization tank, heating device, etc. Its working principle is that the power steam enters the evaporation system to evaporate and concentrate the material, and the concentrated material is respectively loaded into two or more cooling crystallizers. tank, and then pour cooling water into the jacket of the cooling crystallization tank to cool and crystallize the material. The entire production process includes operations such as feeding, cooling, and discharging. Disadvantages such as high operating costs, unstable product quality, and low production efficiency

Images