Sorption heat exchanger module

Abstract

A sorption heat exchanger module may include a liquid and gas-tight housing with a sorption zone and with a receiving zone, through which a working fluid may flow. The working fluid may be able to be sorped or desorped in the sorption zone in a sorbent and evaporated or condensed in the receiving zone on a receiver. An outlet path with a displacement space and with an outlet passage leading out of the displacement space may be connected to the receiving zone downstream, so that a gas separated from the working fluid may be able to be collected in the displacement space and via the outlet passage conducted out of the displacement space.

1 . A sorption heat exchanger module, comprising:
 a liquid and gas-tight housing with a sorption zone and with a receiving zone, through which a working fluid is flowable;   wherein the working fluid is able to be sorped or desorped in the sorption zone in a sorbent and evaporated or condensed in the receiving zone on a receiver; and   wherein an outlet path with a displacement space and with an outlet passage leading out of the displacement space is connected to the receiving zone downstream, so that a gas separated from the working fluid is able to be collected in the displacement space and via the outlet passage conducted out of the displacement space.   
     
     
         2 . The sorption heat exchanger module according to  claim 1 , wherein the receiver of the receiving zone is formed through a condensation structure or through a sorption material. 
     
     
         3 . The sorption heat exchanger module according to  claim 1 , wherein a free-standing outer surface of the receiver for the condensing is orientated in a flow passage parallel to a flow direction of the working fluid, so that during the condensing of the working fluid on the receiver, no gas cushion is able to be formed on the outer surface of the receiver. 
     
     
         4 . The sorption heat exchanger module according to  claim 1 , wherein the displacement space is separated from the receiving zone by a convection barrier wall, so that the separated gas in the displacement space is not convectively influenced through the flowing of the working fluid on the convection barrier wall outside the displacement space. 
     
     
         5 . The sorption heat exchanger module according to  claim 1 , wherein at least one of:
 in the outlet path, a non-return valve is arranged last downstream, so that with a pressure differential on the non-return valve the separated gas is able to be conducted out of the outlet path to the outside and no ambient gas is able to enter the outlet path; and   the outlet path is closed off to the outside in a liquid and gas-tight manner by a closure, so that the outlet path is only able to be opened towards the outside as part of the service and the separated gas drained.   
     
     
         6 . The sorption heat exchanger module according to  claim 1 , wherein in the outlet path a temperature sensor is arranged, so that during the draining of the separated gas a temperature change between the through-flowing gas and the through-flowing working fluid is able to be detected and the draining of the separated gas interrupted. 
     
     
         7 . The sorption heat exchanger module according to  claim 1 , wherein the outlet passage out of the displacement space leads directly to the outside and with an orientation of the sorption heat exchanger module suitable for the operation upwards from the displacement space. 
     
     
         8 . The sorption heat exchanger module according to  claim 1 , wherein in the outlet path the displacement space forms a primary gas collection space for storing the separated gas. 
     
     
         9 . The sorption heat exchanger module according to  claim 1 , wherein in the outlet path a secondary gas collection space for storing the separated gas is connected to the outlet passage downstream, wherein with an orientation of the sorption heat exchanger module to suit the operation, the outlet passage fluidically leads at the lowermost point of the secondary gas collection space into the gas collection space. 
     
     
         10 . The sorption heat exchanger module according to  claim 9 , characterized wherein:
 the outlet passage is a throttling tube, so that the flow rate of the separated gas out of the displacement space into the secondary gas collection space is able to be limited; or   in the outlet passage a non-return valve is arranged, so that a return flow of the separated gas out of the secondary gas collection space into the displacement space is able to be limited.   
     
     
         11 . The sorption heat exchanger module according to  claim 9 , wherein in the outlet path an outer passage is provided, which leads out of the secondary gas collection space to the outside, wherein with the orientation of the sorption heat exchanger module suitable for the operation, the outer passage fluidically leads in the uppermost point of the secondary gas collection space into the same and out of the secondary gas collection space upwards. 
     
     
         12 . The sorption heat exchanger module according to  claim 1 , wherein in the outlet path a cooler is provided, so that portions of the working fluid contained in the separated gas are able to be condensed in the outlet path and separated from the separated gas. 
     
     
         13 . The sorption heat exchanger module according to  claim 1 , characterized wherein at least one of:
 in the outlet path a thermal or catalytic converter is arranged, so that portions of the working fluid contained in the separated gas are able to be chemically converted into decomposition products; and   in the outlet path an exchangeable adsorbent cartridge is arranged, so that portions of the working fluid contained in the separated gas are able to be collected.   
     
     
         14 . A method for draining a gas admixed to a working fluid in a sorption heat exchanger module according to  claim 1 , wherein:
 determining, via a control unit of the sorption heat exchanger module, check values, which are connected to a performance of the sorption heat exchanger module;   determining, via the control unit, by way of the determined check values, through at least one of a calculation and a comparison, a performance loss or no performance loss of the sorption heat exchanger module;   following the determination of the performance loss, starting, via the control unit, a venting cycle for draining the gas admixed to the working fluid;   wherein in the venting cycle in a first part process the working fluid out of the receiver of the receiving zone is evaporated and sorped in the sorbent of the sorption zone;   wherein in the venting cycle in a second part process, the working fluid is desorped out of the sorbent of the sorption zone received in the receiving zone by condensing and the admixed gas separated in the outlet path; and   wherein in the venting cycle in the second part process, the internal pressure in the sorption heat exchanger module is simultaneously increased and the separated gas drained out of the sorption heat exchanger module via the outlet path.   
     
     
         15 . The method according to  claim 14 , wherein:
 in the first part process the receiving zone of the sorption heat exchanger module is irregularly supplied with a heat exchanger of a re-cooling circuit; and   in the second part process a circulating of a heat exchanger of a re-cooling circuit in the receiving zone is stopped so that the discharge of the condensation heat out of the receiving zone is prevented, thereby bringing the internal pressure in the sorption heat exchanger module above the ambient pressure.   
     
     
         16 . The method according to  claim 15 , wherein the second part process is conducted exactly just as long as a regular sorption or condensation process in the sorption heat exchanger module. 
     
     
         17 . The method according to  claim 14 , wherein:
 the second part process is stopped as soon as the control unit determines a temperature increase in the outlet path by way of a temperature sensor arranged in the outlet path; or   the second part process is stopped in a time-controlled manner.   
     
     
         18 . The sorption heat exchanger module according to  claim 4 , wherein the convection barrier wall is a perforated grid, a perforated plate, a sinter plate or a membrane. 
     
     
         19 . The sorption heat exchanger module according to  claim 5 , wherein the closure is a cap or a plug arranged last downstream in the outlet path. 
     
     
         20 . A sorption heat exchanger module, comprising:
 a liquid and gas-tight housing with a sorption zone and with a receiving zone, through which a working fluid is flowable;   wherein the working fluid is able to be sorped or desorped in the sorption zone in a sorbent and evaporated or condensed in the receiving zone on a receiver; and   wherein an outlet path with a displacement space and with an outlet passage leading out of the displacement space is connected to the receiving zone downstream, so that a gas separated from the working fluid is able to be collected in the displacement space and via the outlet passage conducted out of the displacement space;   wherein one of:
 in the outlet path the displacement space forms a primary gas collection space for storing the separated gas; or 
 in the outlet path a secondary gas collection space for storing the separated gas is connected to the outlet passage downstream, wherein with an orientation of the sorption heat exchanger module to suit the operation, the outlet passage fluidically leads at the lowermost point of the secondary gas collection space into the gas collection space.