SU1345020A1 - Method of heat-moisture treatment of air - Google Patents

Abstract

The invention relates to the technique of ventilation and air conditioning and reduces energy costs. Outside air enters the inlet chamber 1, where moisture is desorbed from the adsorbent solution (PA), heated by a low-grade coolant before drying the supply air (PV). The outside air then undergoes two-stage heating and humidification by contacting it with the sprayed low-grade heat carrier in contact apparatuses 3 and 4, and the air is moistened to a moisture content exceeding the moisture content of the PV. After passing through the drift catcher 7, air enters contact apparatus 8, where simultaneously heated, the air dryer is dried by contacting it in an adiabatic mode with a heated spray using a 15 RA coil to the required IW parameters before feeding it fan 12 into the room. When air is dried and RA is absorbed, sorption heat is released, which is also used to heat the PS. 1 il. (L

Description

113

The invention relates to the technique of ventilation and air conditioning.

The aim of the invention is to reduce energy costs.

The drawing shows a schematic diagram of the device for implementing the method of heat and humidity treatment of air.

A device for implementing the method of heat-air treatment of air contains two countercurrent contact apparatus 3 and 4 with sprayers placed in series with the air flow inlet chamber 1 with a pallet 2f. 5 and 6, a droplet separator 7, a winding contact apparatus 8 with a pallet 9 and a sprayer 10, a droplet separator 11 and a fan 12,

Under the contact apparatus 8 is located the desorption chamber 13 with the distributor 14, the coil 15 and the pallet 16 ...

The coil 15 is connected to a low potential coolant source 2 (not shown), for which, for example, a process equipment cooling system can be used.

The pallet 9 of the contact apparatus 8 is connected to the distributor 14 of the chamber 13 of the desorption.

The sump 16 of the desorption chamber 13 is connected by a circulating circuit 17 to a pump 18 with a spray gun 10 of the contact apparatus 8.

The desorption chamber 13 and the entrance chamber 1 have a common wall 19 in which there is a louvered grating 20.

The entrance chamber 1 is equipped with a heating jacket 21, and a heating grid 22 is installed at the entrance to the first along the outside air contact device 3.

The inlet of the surface heat exchanger 23 is connected via a heated path through a pipe 24 with a pump 25 to the pallet 2 of the entrance chamber 1, and the output to the sprayer 6 of the contact apparatus 4 and the heating jacket 21, which is connected through the heating grid 22 to the sprayer 5 of the contact apparatus 3.

The heating path of the heat exchanger 23 is connected to a source of low-grade heat. The pallet 2 has drainage and supply pipelines 26 and 27.

02

The device for the implementation of the method of heat-moisture air treatment works as follows.

The outer 1st air enters the inlet chamber 1, where de moisture is desorbed from the solution of the adsorbent, heated by a low-grade heat-transfer agent before drying the intake air.

Then, the outside air undergoes two-stage heating and humidification by contacting it and sprayed low-grade heat-transfer agent in contact apparatuses 3 and 4, and the air is moistened to a moisture content exceeding the moisture content of the inlet air.

After the passage of the drop-head 7, air enters the contact apparatus 8, where, along with the heating, the fresh air is dried by contacting it.

nor in the adiabatic mode with the absorber solution heated by the 15 preheated coil to the required parameters of fresh air before it is supplied by the fan 12 to the room.

When air is dried and moisture is absorbed by the absorbent solution, sorption heat is released, which is also used to heat the incoming air.

Watered absorbent solution from contact apparatus 8 flows into pallet 9, from which the absorbent solution flows by gravity through distributor 14 to the coil 15 of desorption chamber 13, through which the low-grade coolant passes, and intensive desorption of moisture from the irrigated absorbent solution occurs, and the solution flows into the sump 16

I

The water vapor that separates from the absorbent solution as a result of the difference in partial pressures through the louvered grill 20 enters the inlet chamber 1 in the flow of outside air.

The liquid (coolant) from the pallet 2 of the inlet chamber 1 through pipe 24 is pumped through pump 25 through a heated path of the heat exchanger 23 to the sprayer 6 of the contact apparatus 4 and heated jacket 2.1, after which the heated fluid passes the heating grid 22 and partially cools.

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Then the liquid is supplied to the spray 5 of the contact apparatus 3 and flows by gravity into the pallet 2 of the entrance chamber 1.

F o r mula inventions

Method of tegshov humid air treatment, which includes two-stage heating and humidification of external air by contacting it with a sprayed low-grade heat-transfer agent and heating the incoming air to the required parameters before feeding it into the room, characterized in that

energy costs, two-stage heating and humidification of the air is carried out to a moisture content exceeding the moisture content of the incoming air, while simultaneously heating the fresh air is drained by contacting it in an adiabatic mode with

heated solution of the adsorbent, the desorption of moisture from which is carried out with outside air before it is heated and humidified, and the solution of the adsorbent is heated with a low potential heat carrier before drying the supply air.

Claims (1)

SUMMARY OF THE INVENTION A method of heat-moisture treatment of air, including two-stage heating and humidification of the outdoor air by contacting it with a low-grade spray medium and heating the supply air to the required parameters before it is supplied to the room, with a minimum of 15 and with the fact that, in order to reduce energy costs, two-stage heating and humidification of the air is carried out to a moisture content exceeding the moisture content of the supply air, while heating is carried out to dry itochnogo air by contacting it in an adiabatic mode sprayed preheated adsorbent solution, desorption of moisture from the outside air which is carried out before heating and humidification, the adsorbent is heated rdstvor nizkopotentsialnschm coolant before drying the supply air.