The invention relates to a method for heating and cooling a working fluid (2) using at least one thermochemical heat accumulator medium (3), wherein the working fluid (2) is guided through at least one thermochemical heat accumulator (6) comprising the heat accumulator medium (3), wherein the workin
The invention relates to a method for heating and cooling a working fluid (2) using at least one thermochemical heat accumulator medium (3), wherein the working fluid (2) is guided through at least one thermochemical heat accumulator (6) comprising the heat accumulator medium (3), wherein the working fluid (2) is guided without contact to the heat accumulator medium (3), wherein upon charging of the heat accumulator medium (3) a heat flow (Q) is transferred from the working fluid (2) to the heat accumulator medium (3) and at least one substance (15) is released from the heat accumulator medium (3) and discharged from the heat accumulator (6), and wherein upon discharging of the heat accumulator medium (3) the substance (15) is fed with release of heat to the heat accumulator medium (3) or at least to a reaction product of the heat accumulator medium (3) that was produced during charging of the heat accumulator medium (3), and a heat flow (Q) is transferred to the working fluid (2).
대표청구항▼
1. A method for heating and cooling a working fluid using at least one thermochemical heat accumulator medium, wherein, the working fluid is guided through at least one thermochemical heat accumulator comprising the heat accumulator medium,the working fluid being guided without contact to the heat a
1. A method for heating and cooling a working fluid using at least one thermochemical heat accumulator medium, wherein, the working fluid is guided through at least one thermochemical heat accumulator comprising the heat accumulator medium,the working fluid being guided without contact to the heat accumulator medium, wherein upon charging of the heat accumulator medium a heat flow is transferred from the working fluid to the heat accumulator medium and at least one substance is released from the heat accumulator medium and conveyed away from the heat accumulator, andwherein upon discharging of the heat accumulator medium the substance is fed, releasing heat, to the heat accumulator medium or at least to a reaction product of the heat accumulator medium that was produced during charging of the heat accumulator medium, and a heat flow is transferred to the working fluid,wherein the charging of the heat accumulator medium is performed at a first pressure level by a compressor and the discharging of the heat accumulator medium is performed at a second pressure level by the compressor, the second pressure level being higher than the first pressure level,guiding an auxiliary fluid to the thermochemical heat accumulator medium, wherein flow direction of the auxiliary fluid during the switch between the charging of the heat accumulator medium and the discharging of the heat accumulator medium is inverted. 2. The method according to claim 1, characterized in that the substance discharged from the heat accumulator during the charging of the heat accumulator medium is accumulated and recycled to the heat accumulator for discharging of the heat accumulator medium. 3. The method according to claim 1, characterized in that auxiliary fluid is used for the transport of the substance out of the heat accumulator and to the heat accumulator, the auxiliary fluid flowing through the heat accumulator and at the same time being brought in contact with the heat accumulator medium and with the reaction product of the heat accumulator medium. 4. The method according to claim 3, characterized in that the auxiliary fluid is used for precooling the working fluid prior to the charging and for preheating the working fluid during discharging of the heat accumulator. 5. The method according to claim 1, characterized in that the auxiliary fluid is conveyed in a cycle that is materially separated from the flow path of the working fluid and that is closed, the substance transported during the charging of the heat accumulator medium through the auxiliary fluid being separated from the auxiliary fluid and accumulated for use during the discharging of the heat accumulator medium. 6. The method according to claim 1, characterized in that the substance released during the charging of the heat accumulator medium is separated from the auxiliary fluid through phase conversion and that the heat energy released during phase conversion is accumulated at least partially and is used for a new phase conversion of the substance for use of the substance during the discharging of the heat accumulator medium. 7. A heat accumulator adapted for carrying out a method according to claim 1, with a flow-through area for a working fluid and an accumulator area having at least one heat accumulator medium, the flow-through area being separated materially from the accumulator area so that the working fluid is guided without contact to the heat accumulator medium when flowing through, and the flow-through area and the accumulator area being interconnected such that a heat transfer is possible between the working fluid and the heat accumulator medium during charging and discharging of the heat accumulator medium. 8. The heat accumulator according to claim 7, characterized in that the accumulator area has a supply line and a drain line for the auxiliary fluid, wherein the accumulator area can be flowed through by the auxiliary fluid. 9. A heat accumulator system adapted for carrying out a method according to claim 1, with a heat accumulator according to claim 7, a compressor, a phase converter and, preferably, a pressure reducer, the heat accumulator, the compressor, the phase converter and, preferably, the pressure reducer being interconnected via a closed cycle duct for the auxiliary fluid. 10. The method according to claim 1, characterized in that a pressure level in the heat accumulator is adjusted to the reduced pressure level during the charging of the heat accumulator medium and to the higher pressure level during the discharging of the heat accumulator medium. 11. The method according to claim 1, characterized in that the at least one substance released from the heat accumulator medium is water and another substance, and that upon discharging of the heat accumulator medium the water and the another substance are fed to the heat accumulator medium. 12. The method according to claim 11, characterized in that the water is released from the accumulator medium through a desorption reaction and the another substance is released from the accumulator medium through a reversible chemical reaction, and that the water is fed to the accumulator medium through a sorption process and the another substance is fed to the accumulator medium through the reversible chemical reaction. 13. The method according to claim 1, characterized in that a second heat accumulator is positioned in line with the working fluid and upstream or downstream from the heat accumulator, and that the second heat accumulator works at a temperature level different than that of the heat accumulator.
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이 특허에 인용된 특허 (10)
Havel, Timothy F., Adsorption-enhanced compressed air energy storage.
Scaringe Robert P. (Rockledge FL) Parrish Clyde F. (Melbourne FL) Grzyll Lawrence R. (Merritt Island FL), Spacecraft adsorption thermal storage device using a vapor compression heat pump.
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