Harmful substance removal device and air purification device adopting the harmful substance removal device

Abstract

The invention discloses a harmful substance removal device and an air purification device adopting the harmful substance removal device. The harmful substance removal device can effectively reduce harmful gas components of treated air and can inhibit re-release of high-volatility organic matters. The harmful substance removal device (1) comprises a front-stage treatment part (2) which is arranged in a path for flowing of harmful gas ingredient-containing air needing to be treated, and a rear-stage treatment part (3) which is arranged at a downstream side of the front-stage treatment part (2), wherein the front-stage treatment part (2) comprises a porous adsorbent (12) used for adsorbing harmful gas ingredients of the treated air, a photocatalyst (13) and an ultraviolet radiator (8) used for emitting ultraviolet rays to the photocatalyst (13); and the rear-stage treatment part (3) comprises a gas-liquid contact part (16) used for making water contact with the air treated by the front-stage treatment part (2) and an electrolysis treatment part (17) comprising electrodes (21) used for carrying out electrochemical treatment on water contacting with the treated air in the gas-liquid contact part (16) .

Description

technical field [0001] The present invention relates to a harmful substance removal device that decomposes and removes harmful gas components collected by circulating water, and an air cleaning device that uses the harmful substance removal device to purify air used for air conditioning. Background technique [0002] In an air-conditioning device that performs one of temperature adjustment, humidity adjustment, ventilation adjustment, or air purification for the purpose of improving indoor air quality, or a combination of them, as a method of removing harmful gas components in the air, Generally, a method is employed in which harmful gas components in the air are physically adsorbed by a filter using activated carbon. [0003] This activated carbon plays a very good role in removing harmful gas components, but on the other hand, the retention capacity of the adsorbed gas components is proportional to the volume of activated carbon, so when used in large-scale air conditioner...

AI Technical Summary

Problems solved by technology

[0003] This activated carbon plays a very good role in removing harmful gas components, but on the other hand, the retention capacity of the adsorbed gas components is proportional to the volume of activated carbon, so when used in large-scale air conditioners, there are the following problems : A very large amount of activated carbon is required, and the resistance of the air conditioning air flow increases, resulting in increased energy consumption

[0004] In addition, there is also a problem that after the adsorption capacity of activated carbon is saturated (over a critical value), a large amount of activated carbon must be discarded or regenerated, resulting in increased maintenance costs.

Moreover, these low-molecular-weight organic compounds are highly irritating and highly corrosive, so once they are released into the air-conditioning path along with the airflow, they will irritate people's eyes and mucous membranes of the respiratory tract, making people feel uncomfortable and harmful to patients. For patients with diseases such as asthma, it can cause symptoms to worsen

In addition, it will also corrode metal parts such as heat exchangers in the air conditioning circuit

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