Adjustable hollow fiber ultrafiltration system

Abstract

The invention discloses an adjustable hollow fiber ultrafiltration system, which comprises an infusion pump, a hollow fiber membrane column and a controller. The hollow fiber membrane column is provided with three ports, namely a liquid inlet end, a permeation end and a backflow end, the liquid inlet end of the hollow fiber membrane column is connected to a liquid outlet of the infusion pump through a pipeline, and a first pressure controller is arranged in the middle of the pipeline; a penetrating end of the hollow fiber membrane column is sequentially connected to a third pressure controller, a second flow controller and a detection device through a pipeline and then is connected to a collection pool; a backflow end of the hollow fiber membrane column is sequentially connected to a second pressure controller, a first flow controller and an automatic pressure regulating valve through a pipeline, and finally flows back to a circulating tank; and the infusion pump, the first pressure controller, the second pressure controller, the third pressure controller, the first flow controller, the second flow controller and the automatic pressure regulating valve are connected to the controller respectively. Technical method editing and parameter setting, including control of flow, transmembrane pressure and other key technological parameters, are carried out through built-in software ofthe controller, automatic control of the whole ultrafiltration process is achieved, the ultrafiltration efficiency is greatly improved, and the system is suitable for pilot scale test and production scale.

Description

technical field [0001] The invention relates to an adjustable hollow fiber ultrafiltration system, which belongs to the field of filtration systems. . Background technique [0002] Hollow fiber ultrafiltration is the most mature and advanced technology in ultrafiltration technology. The hollow fiber tube wall is covered with micropores, and the pore size is relatively large for the molecular weight of the intercepted substance, and the molecular weight interception can reach several thousand to hundreds of thousands; Filtration technology is a high-tech widely used in water purification, solution separation, concentration, extraction of useful substances from wastewater, and wastewater purification and reuse. It is characterized by simple use process, no heating, energy saving, low-pressure operation, The device occupies a small area. [0003] The current hollow fiber ultrafiltration system can only use a hollow fiber membrane column of one specification. If the hollow fib...

AI Technical Summary

Problems solved by technology

[0003] The current hollow fiber ultrafiltration system can only use a hollow fiber membrane column of one specification. If the hollow fiber membrane column of other specifications and sizes is replaced, the original system structure cannot be used together, and the original equipment must be rebuilt or replaced with a new one. To achieve the purpose of use, it will lead to relatively high cost of transformation or replacement, and

[0004] Unable to constant volume multiple ultrafiltration, low sample recovery rate, poor ultrafiltration effect

Images