The following Figure is flow chart of hot water lithium bromide absorption chiller. The dilute solution shall be transmitted by the solution pump, then enter into generator heated by heat exchanger. The dilute solution in the high pressure generator shall be heated up by the hot water flowing in the pipes to produce refrigerant steam and the solution shall be condensed. The refrigerant steam shall enter into condenser and cooled down by cooling water flowing in the pipes, and the refrigerant water gathered in condenser shall enter into the evaporator by throttling. Because of low pressure in evaporator, it will be evaporated by absorbing the heat of chilled water flowing in pipes, lower the temperature of chilled water and the refrigeration is realized.
On the other hand, the concentrated solution at the outlet of high pressure generator shall go through heat exchanger and enter into absorber to absorb the low temperature refrigerant steam from evaporator and make the evaporator in low-pressure condition, as well as the refrigeration process ongoing. The concentration of concentrated solution shall be reduced once absorbing the refrigerant steam. Then it shall be enter into generator by solution pump. The above repeated circulation enables the evaporator to constantly output low temperature chilled water for the cooling operation of air conditioner or production techniques.
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