Great-throughput photocatalytic wastewater degrading device capable of multi-stage interception of catalyst

Abstract

The invention relates to a great-throughput photocatalytic wastewater degrading device capable of multi-stage interception of catalyst, and belongs to the technical field of wastewater treatment. In the existing associated technology, problems that microwave energy is wasted, single-tank wastewater throughput is smaller, oxygen supply concentration ratio of a key area is not enough, catalyst particle interception link is weaker, degradation reaction ending point moment is difficult to distinguish, catalyst aggregates cannot be in situ strongly dispersed, catalyst aggregation cannot be timely observed exist, and the scheme is used for solving the series of problems. The structure of the device limits a microwave irradiation null field, permits a reactor to greatly expand capacity; the structure of the device is beneficial to strengthened supply of air atmosphere in the key degradation reaction area, suitable for precisely intercepting catalyst particles, capable of strongly dispersing the catalyst aggregates while ultrasonically cleaning a quartz tube, capable of instantly switching off an associated power supply at the degradation ending point, and capable of warning catalyst aggregation trend.

Description

technical field [0001] The invention relates to a photocatalytic waste water degradation device with a large processing capacity and a multi-stage intercepting catalyst, which belongs to the technical field of CO2F waste water treatment. Background technique [0002] Microwave photocatalytic degradation treatment technology, as an effective harmless treatment technology for industrial wastewater containing organic pollutants, has attracted much attention in recent years. [0003] Regarding the microwave photocatalytic degradation technology, as an example, refer to the Chinese patent application with publication number CN102260003A. [0004] The Chinese patent application with the publication number CN102260003A uses microwaves as the excitation source to excite the electrodeless ultraviolet lamp to emit ultraviolet rays, and irradiates the suspension mixed with photocatalyst titanium dioxide inside the liquid. The electrodeless ultraviolet lamp is shrouded and protected by ...

AI Technical Summary

Problems solved by technology

[0046] Based on the structure of the CN102260003A scheme, during its operation, the water pump that fills the reactor cavity with waste water cannot judge whether the water level inside the reactor is high or low, and the operator can only rely on experience or visual inspection to turn off the water pump that fills the waste water in time Motor, if the experience is wrong or the visual response is not timely enough, it is easy to overflow the reactor due to excessive filling of waste water, which will cause unnecessary trouble; The membrane module pumps water outward. Without knowing the water level inside the reactor, the timing of shutting down the pump can only be judged based on experience or visual inspection. This operation is obviously unreliable, and it is very easy to make mistakes due to experience or visual inspection. If the response is not timely, the water pump cannot be shut down in time, and this kind of dry pumping and idling can easily cause the motor of the water pump to burn out. This problem cannot be ignored. This is the fourteenth problem.

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