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US 11,499,761 B2Granted
Thermochemical heat pump and method for redistributing heat energy with variable power
OwnerJean-Emmanuel Faureinventor
Life of this patent
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Abstract
A thermochemical heat pump has a solvent evaporator (26), an evaporator exchanger (49) thermally associated with a hot source (27), a reactor having a solvent vapour inlet, at least one source of a saline composition containing at least one salt that is soluble in the solvent, and at least one cooling exchanger (81) thermally associated with a cold source. The reaction device (29) has at least one condensation reactor (52) with a solution inlet connected to the cooling exchanger, a solution outlet connected to the cooling exchanger, at least one injection of saline composition between the outlet and the inlet of the condensation reactor (52), and a valve for adjusting the mass flow of each salt introduced into the liquid solution by this injection.
Claims15
A thermochemical heat pump comprising:
- a solvent evaporator, comprising:
- a tank of volatile liquid solvent,
- an evaporator exchanger, suitable for being thermally associated with a hot source, said evaporator exchanger comprising a circuit having a volatile liquid solvent inlet connected to the tank of volatile liquid solvent,
- a volatile solvent vapour outlet, said solvent evaporator being suitable for delivering a vapour of the volatile solvent vapour, vaporized under the effect of heat coming from said hot source,
- a reaction device comprising:
- a volatile solvent vapour inlet,
- at least one saline composition, containing at least one salt that is soluble in said volatile liquid solvent,
- at least one cooling exchanger, suitable for being thermally associated with a cold source,
- said volatile solvent vapour outlet from the solvent evaporator being connected to said volatile solvent vapour inlet of the reaction device,
- the reaction device being suitable for bringing about condensation of said volatile solvent vapour and absorption of said saline composition to form a liquid solution, with production of heat evacuated to the cold source via said cooling exchanger,
- wherein said reaction device further comprises:
- at least one condensation reactor, comprising:
- a liquid solution inlet connected to a cold liquid solution outlet of said cooling exchanger,
- a liquid solution outlet connected to a hot liquid solution inlet of said cooling exchanger,
- said condensation reactor being suitable for enabling contact of the vapour fed by said vapour inlet with a cold liquid solution delivered to said liquid solution inlet, so as to bring about condensation of said vapour and mixing of the volatile liquid solvent thus formed by condensation with said cold liquid solution, a hot liquid solution delivered to the liquid solution outlet of said condensation reactor resulting from this mixing,
- at least one injection of said saline composition between said liquid solution outlet and said liquid solution inlet of said condensation reactor,
- an adjustment device for adjusting a mass flow of each salt introduced into the liquid solution by means of at least one injection of said saline composition between said liquid solution outlet of said at least one condensation reactor and said liquid solution inlet of said condensation reactor.
14 more elements
A process for redistributing thermochemically stored heat energy, comprising:
- evaporating a volatile liquid solvent, by heat exchange with a hot source,
- condensing said volatile solvent vapour and absorbing saline composition to form a liquid solution, with production of heat evacuated by heat exchange towards a cold source,
- wherein the reaction is performed in at least one condensation reactor, and comprises:
- feeding a liquid solution inlet of the condensation reactor with a cold liquid solution coming from a cooling exchanger suitable for being thermally associated with said cold source,
- feeding the condensation reactor with a volatile solvent vapour resulting from said evaporation,
- feeding said cooling exchanger with a hot liquid solution delivered by a liquid solution outlet of the condensation reactor,
- contacting the vapour fed into the condensation reactor with the cold liquid solution fed into the condensation reactor, so as to bring about condensation of said vapour and mixing of the volatile liquid solvent thus formed by condensation with said cold liquid solution, the hot liquid solution delivered by the condensation reactor resulting from this mixing,
- injecting at least one saline composition between said liquid solution outlet and said liquid solution inlet of said at least one condensation reactor,
- adjusting a mass flow of each salt introduced into the liquid solution by injection of saline composition between said liquid solution outlet and said liquid solution inlet of at least one condensation reactor.
6 more elements
Dependencies are inferred from the claim text.