Air conditioning system for purifying air in buildings

Abstract

The invention relates to an air conditioning system for air purification of buildings, in particular residential, office, administrative and/or industrial buildings, with at least one cyclone separator for separating solid and/or liquid particles of a gaseous medium, in particular air, and at least one irradiation device associated with the cyclone separator for UV irradiation, in particular UV-C irradiation, of the gaseous medium, in particular air, flowing through the irradiation device, preferably for inactivating microorganisms present in the medium, such as bacteria, germs, mold and/or viruses.

1 . An air conditioning system for air purification of residential, office, administrative and/or industrial buildings, in accordance with DIN 1946 (as of April 2023), for arrangement in air purification systems for buildings, the air conditioning system having:
 at least one cyclone separator for separating solid and/or liquid particles of a gaseous medium; and   at least one irradiation device associated with the cyclone separator for UV irradiation of the gaseous medium flowing through the irradiation device for inactivating microorganisms present in the medium.   
     
     
         2 . The air conditioning system according to  claim 1 , wherein the cyclone separator has a cyclone housing through which the medium can flow and which has a first inlet, a particle outlet for the particles separated from the medium flow and a gas outlet for the medium flow freed from the separated particles;
 wherein a discharge device for the continuous discharge of the separated particles is associated with the particle outlet; and   wherein a transport medium can be used to discharge the particles in the discharge device.   
     
     
         3 . The air conditioning system according to,  claim 2 , wherein the irradiation device has a housing having a housing inlet and a housing outlet for the medium and at least one radiation source which is arranged inside the housing and emits UV radiation for irradiating the medium flowing through the housing. 
     
     
         4 . The air conditioning system according to  claim 3 , wherein the first inlet and/or the housing outlet is designed for arrangement on at least one air pipe and/or air hose. 
     
     
         5 . The air conditioning system according to  claim 3 , wherein the at least one radiation source emits UV radiation in a wavelength range selected from one of the following: from at least 240 nm to 300 nm; from 250 nm to 285 nm; from 270 nm to 280 nm; from 254 nm+/−10%; and from 278 nm+/−10%. 
     
     
         6 . The air conditioning system according to  claim 1 , wherein the air conditioning system is and/or can be operated without a filter. 
     
     
         7 . The air conditioning system according to  claim 3 , wherein the irradiation device is connected upstream and/or downstream of the cyclone separator and/or is at least partially integrated into the cyclone separator; and
 wherein the gas outlet opens into or forms the housing inlet and/or wherein the housing inlet is arranged in the gas outlet.   
     
     
         8 . The air conditioning system according to  claim 3 , wherein an immersion tube of the cyclone separator having the gas outlet is provided for discharging the medium flow from the cyclone housing; and
 wherein the immersion tube forms and/or has the housing inlet of the housing and/or wherein a depth of the immersion tube projecting into the cyclone housing is variable.   
     
     
         9 . The air conditioning system according to  claim 3 , wherein the cyclone separator is designed as an axial separator and/or co-current separator; and/or
 wherein the cyclone separator has a swirl generator arranged in the cyclone housing, for generating a rotation of the medium, wherein the swirl generator is a rotatable and/or adjustable swirl generator having a plurality of deflection blades.   
     
     
         10 . The air conditioning system according to  claim 9 , wherein a blower device is provided for outside air and/or inside air intake and/or blow-out, on the one hand for outside air intake and inside air intake and/or on the other hand for outside air blow-out and inside air blow-out;
 wherein the blower device is associated with the cyclone separator and/or the irradiation device in such a way that the medium flow flows through the housing and/or the cyclone housing; and   wherein the blower device is arranged in the cyclone separator and/or wherein the swirl generator additionally forms the blower device and/or wherein the swirl generator generates the forced flow.   
     
     
         11 . The air conditioning system according to  claim 1 , wherein a tempering device is provided for regulating the thermal room climate in a building for heating and/or cooling the medium flow;
 wherein the tempering device is arranged upstream and/or downstream in the irradiation device; and   wherein the tempering device has at least one infrared lamp and/or wherein the tempering device has at least one heat exchanger.   
     
     
         12 . The air conditioning system according to  claim 3 , wherein an injection device for injecting a liquid is provided for humidity regulation and/or for disinfection of the medium flow, wherein the injection device is connected upstream of the irradiation device and/or is arranged in the housing inlet. 
     
     
         13 . The air conditioning system according to  claim 2 , wherein a plurality of cyclone separators and/or irradiation devices is provided, wherein the cyclone separators are connected in series and/or parallel to one another; and/or
 wherein, in the case of a serial arrangement of the cyclone separators, an irradiation device is arranged in each case between two cyclone separators arranged one behind the other; and/or   wherein, in the parallel arrangement of the cyclone separators, an irradiation device is assigned to each first gas outlet of a cyclone separator, or wherein, in the parallel arrangement of the cyclone separators, a plurality of first gas outlets of cyclone separators is assigned to an irradiation device, wherein a single irradiation device is provided for all cyclone separators.   
     
     
         14 . The air conditioning system according to  claim 1 , wherein:
 a tempering device is provided for regulating the thermal room climate in a building for heating and/or cooling the medium flow;   an injection device for injecting a liquid is provided for humidity regulation and/or for disinfection of the medium flow; and   the tempering device, the injection device and/or the irradiation device can be controlled and/or regulated by a control and/or regulating device independently of one another.   
     
     
         15 . The air conditioning system according to  claim 1 , wherein the air conditioning system is designed in such a way that a flow velocity of the medium flow in the irradiation device is selected from between 2 and 20 m/s and between 2.5 and 10 m/s; and/or
 wherein the air conditioning system is designed in such a way that a turbulent flow of the medium flow is present in the irradiation device, and wherein a Reynolds number of the flow in the irradiation device is greater than 2300.   
     
     
         16 . Use of the air-conditioning system according to  claim 1  for air purification of residential, office, administrative and/or industrial buildings. 
     
     
         17 . Use of an air conditioning system according to  claim 16 , wherein a flow velocity of the medium flow in the irradiation device is selected from between 2 and 20 m/s and between 2.5 and 10 m/s. 
     
     
         18 . Use of an air conditioning system according to  claim 1 , wherein a turbulent flow of the medium flow is present in the irradiation device, and wherein a Reynolds number of the flow in the irradiation device is greater than 2300.