Continuous oil-water separating and solvent reclaiming device for chemical synthesis or azeotropic rectification

Abstract

The invention discloses a continuous oil-water separating and solvent reclaiming device for chemical synthesis or azeotropic rectification, and belongs to the fields of chemical reaction engineering and separation engineering. The device comprises a collecting chamber and an arc-shaped passage communicated with the upper part of the collecting chamber, wherein the lower part of the collecting chamber is communicated with the lower part of the arc-shaped passage through a horizontal overflow pipe; and the upper end of the collecting chamber is connected with a condenser. The device saves secondary heating energy consumption when a primary solvent is separated from water and can reduce 30 percent of the using amount and consumption of the solvent. The device can also estimate the amount of water produced by azeotropy at any time in the reaction process, and judges the reaction degree (or transformation ratio) in time, improves the production efficiency and saves the cost.

Description

technical field [0001] The invention relates to a continuous oil-water separation and recycling device for chemical synthesis or azeotropic distillation, which belongs to the field of chemical reaction engineering and separation engineering. Background technique [0002] In chemical synthesis and polymerization reactions, organic solvents are often used. On the one hand, organic solvents can disperse the reactants well, and keep the reaction at a constant temperature and uniform speed around the boiling point of the system; The resulting system can discharge water from the system in time through the azeotropy of solvent and water, and promote the chemical reaction balance to move toward the direction of product formation, which is extremely important for speeding up the reaction process, shortening the reaction time, and improving production efficiency. [0003] The existing oil-water separator made of glass with simple operation has the shape of figure 2 As shown, includin...

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Problems solved by technology

[0004] Aiming at the defect that the existing oil-water separation device is difficult to add the water-removing solvent back in time, the present invention aims to provide a continuous oil-water separation and recycling device for chemical synthesis or azeotropic distillation, which will initially separate the reaction solvent, The steps of metering and repeated recycling are completed at the same time, and there is no need for additional power consumption during use, which can reduce the use and consumption of solvents; the water generated during the chemical reaction can also be evaporated, condensed and separated, and the water in the reaction can be passed Estimate the amount of generated water in the entire reaction process, and discharge the generated water from the reaction system in time, so as to shorten the process time of the chemical reaction, reduce heat energy consumption, simplify the process, and save costs

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