Off-line washing and repairing device for multifunctional waste reverse osmosis membrane

Abstract

The invention discloses an off-line washing and repairing device for a multifunctional waste reverse osmosis membrane, which mainly consists of a valve, a flowmeter, a conductivity meter, a pressure gage, a water inlet instrument pH, a booster pump P, and precise filters PP1 and PP2. The off-line washing and repairing device for a multifunctional waste reverse osmosis membrane is simple to operate, obvious in washing effect and precise to test; the off-line washing and repairing device is capable of comprehensively washing and repairing in multiple steps under complicated scale formation condition so as to obtain the best washing and repairing effect; the washing number can be increased according to different conditions, and the washing and repairing effects of the waste membrane is better judged in real time; simultaneously, high-speed washing and high-pressure repairing can be performed on the waste reverse osmosis membrane, and the relevant data of the membrane desalting performance during the chemical washing and repairing process can be detected so as to obtain the parameters such as the desalting ratio, water recycling ratio and pressure difference of the reverse osmosis membrane. A plurality of reverse osmosis membranes can be washed and repaired for once through extended function. The repaired reverse osmosis membrane has the characteristic of high repairing efficiency, and the performance reaches or approaches the new membrane index.

Description

technical field [0001] The invention relates to the field of cleaning and repairing reverse osmosis membranes, in particular to off-line cleaning and repairing equipment for multifunctional waste reverse osmosis membranes. Background technique [0002] At present, reverse osmosis technology is used in the preparation of purified water in various fields such as food, pharmaceuticals, electric power, and tap water. However, the used reverse osmosis membrane only needs simple cleaning and testing according to the current technology. This equipment is developed based on the professional research and development of the existing reverse osmosis membrane cleaning technology. It not only optimizes the cleaning and testing technology, but also realizes self-made cleaning solvent, optional cleaning of single and double membranes, standard membrane and cleaning on one piece of equipment. Membrane scientific comparison, multi-mode cleaning and other functions, the most important thing i...

AI Technical Summary

Problems solved by technology

[0003] The existing technology cannot produce RO water for preparing membrane cleaning agent on one piece of equipment, and can only use tap water or RO water prepared by other ultrapure water equipment to prepare cleaning agent

Complicated operation, affecting cleaning effect and test accuracy; single cleaning method due to equipment limitations, difficult to cope with membrane cleaning with complex fouling conditions; single- and double-membrane switching cleaning cannot be realized at will, and the equipment itself does not have scalability; it cannot be realized with The comparison test of the standard membrane under the same conditions, the data is not accurately compared; the repair of the damaged reverse osmosis membrane cannot be realized;

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