Method of indirect evaporative cooling of air and device for implementation thereof

Abstract

The invention relates to the field of air ventilation and conditioning by means of indirect evaporative cooling. A method for indirect evaporative air cooling comprises: forming a common air flow A before an inlet of a heat exchanger of an indirect evaporative cooling device; dividing the common air flow into two—main B and additional C—flows with the possibility of controlling their flow capacity; directing the main flow B to the heat exchanger and the additional flow C to a bypass channel; dividing the main flow B in the heat exchanger into a forward D and reverse E process flows; forming a cooled air flow F at the outlet of the air conditioner by mixing the additional C and forward process D flows at the outlet of the heat exchanger.

1 . A method for indirect evaporative air cooling, comprising:
 forming a common air flow A before an inlet of a heat exchanger  1  of an indirect evaporative cooling device;   dividing the common air flow into two—main B and additional C—flows with the possibility of controlling their flow capacity;   directing the main flow B to the heat exchanger  1  and the additional flow C to a bypass channel  2 ;   dividing the main flow B in the heat exchanger  1  into a forward D and reverse E process flows;   forming a cooled air flow F at the outlet of the device by mixing the additional C and forward process D flows at the outlet of the heat exchanger  1 ;   wherein hydraulic resistance values of the heat exchanger  1  and the bypass channel  2  are set equal,   wherein absolute flow rate values of the reverse process flow E and the cooled flow F at the outlet of the device are retained unchanged.   
     
     
         2 . An indirect evaporative cooling device for performing the method according to  claim 1 , comprising:
 an air treatment section  8 , an air intake section  3 , an indirect evaporative cooling heat exchanger  1 , a mixing chamber  4 , which are all arranged in series;   a bypass channel  2  having one end connected to the air intake section  3  and another end connected to the mixing chamber  4 ;   a reverse-process-flow ejection section  5  rigidly connected to the heat exchanger and arranged above the heat exchanger;   wherein at least one shutter  7  is arranged in front of the heat exchanger  1 ; and   wherein the bypass channel  2  is equipped, on one side of the air intake section  3 , with a shutter  6  for controlling a cooling capacity of the indirect evaporative cooling device.   
     
     
         3 . The device according to  claim 2 , wherein the bypass channel  2  is arranged on an external side of a housing  11 . 
     
     
         4 . The device according to  claim 2 , wherein the bypass channel  2  is arranged inside a housing  11 .