IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0601605
(1984-04-18)
|
우선권정보 |
FR-0006882 (1983-04-22) |
발명자
/ 주소 |
- Brandon, Bernard
- Bailly, Andre
- Meunier, Francis
|
출원인 / 주소 |
- Centre Technique des Industries, Centre National de la Recherche Scientique
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
20 인용 특허 :
7 |
초록
▼
The invention relates to an improved thermodynamic apparatus for cooling or heating by adsorption of a refrigerating fluid on a solid adsorbent. The apparatus includes--a hot circuit adapted to heat and circulate a heating fluid;--a cold circuit adapted to cool and circulate a cooling fluid;--a cool
The invention relates to an improved thermodynamic apparatus for cooling or heating by adsorption of a refrigerating fluid on a solid adsorbent. The apparatus includes--a hot circuit adapted to heat and circulate a heating fluid;--a cold circuit adapted to cool and circulate a cooling fluid;--a cooling circuit for an enclosure to be air-conditioned;--two tanks containing a solid compound with large capacities but having a low energy of adsorption, said tanks, connected together and to the different. The two tanks comprising: at least one reactor adapted to receive said adsorbent compound, at least one condenser adapted to condense the refrigerating fluid desorbed under the effect of the action of the hot fluid passing through the adsorbent compound laden with refrigerating fluid, at least one evaporator adapted to vaporize the refrigerating fluid adsorbed on the adsorbent compound cooled by the cold circuit, such that:--the hot circuit is adapted to be connected to the reactors of the two tanks;--the cold circuit is adapted to be connected either to the condensers or to the reactors of the two tanks;--finally, the cooling circuit is adapted to be connected to the evaporators of the two tanks.
대표청구항
▼
1. An improved thermodynamic apparatus employing adsorption of a refrigerating fluid on a solid adsorbent, for cooling or heating, comprising: two interconnected tanks containing a solid compound having a large capacity but a low energy of adsorption, each tank having: (i) at least one reactor
1. An improved thermodynamic apparatus employing adsorption of a refrigerating fluid on a solid adsorbent, for cooling or heating, comprising: two interconnected tanks containing a solid compound having a large capacity but a low energy of adsorption, each tank having: (i) at least one reactor for receiving said adsorbent compound; (ii) at least one condensor for condensing refrigerating fluid desorbed by the action of a hot fluid passing through adsorbent compound laden with refrigerating fluid; (iii) at least one evaporator for vaporizing refrigerating fluid adsorbed on the adsorbent compound cooled by a cold circuit; a hot circuit connectible to the at least one reactor of each of the two tanks for heating and circulating said hot fluid; an air-conditioning circuit connectible to the at least one evaporator of each of the two tanks for cooling an enclosure to be air-conditioned; wherein said cold circuit is alternately connectible to the at least one condensor and the at least one reactor of the two tanks; and wherein each tank comprises a one-piece tank, under refrigerating fluid pressure, having: a plurality of parallel finned tubes covered with adsorbent compounds, forming reactors; superposed plates parallel to one another and parallel to the tubes at the center of said tank and comprising both said evaporator and said condensor; at least one anti-radiation screen disposed between the evaporator-condensor and the reactor tubes; manifolds connecting the reactor tubes and the evaporator-condenser to the inlets and outlets of said circuits. 2. An improved thermodynamic apparatus employing adsorption of a refrigerating fluid on a solid adsorbent, for cooling or heating, comprising: two interconnected tanks containing a solid compound having a large capacity but a low energy of adsorption, each tank having: (i) at least one reactor for receiving said adsorbent compound; (ii) at least one condensor for condensing refrigerating fluid desorbed by the action of a hot fluid passing through adsorbent compound laden with refrigerating fluid; (iii) at least one evaporator for vaporizing refrigerating fluid adsorbed on the adsorbent compound cooled by a cold circuit; a hot circuit connectible to the at least one reactor of each of the two tanks for heating and circulating said hot fluid; an air-conditioning circuit connectible to the at least one evaporator of each of the two tanks for cooling an enclosure to be air-conditioned; wherein said cold circuit is alternately connectible to the at least one condensor and the at least one reactor of the two tanks; and wherein each tank comprises a one-piece tank, under refrigerating fluid pressure, having: a plurality of parallel finned tubes covered with adsorbent compounds, forming reactors; a trickling exchanger at the center of said tank, said exchanger comprising both said evaporator and said condensors; at least one anti-radiation screen disposed between the evaporator-condensor and the reactor tubes; manifolds connecting the reactor tubes and the evaporator-condenser to the inlets and outlets of said circuits. 3. The apparatus of claim 1 or 2, wherein the hot circuit has a heat source selected from the group consisting of a solar collector and a boiler. 4. The apparatus of claim 2, wherein the cold circuit has a cold source selected from the group consisting of an air coolant, a cooling tower connected to the ambient air, and an available cooling fluid. 5. The apparatus of claim 2, wherein the air-conditioning circuit comprises a circuit selected from the group consisting of an air-water battery and a heat exchanger producing ice. 6. The apparatus of one of claims 1 or 2, wherein said circuits and the two tanks are connected together by conventional pipes and valves under water or thermal oil pressure. 7. The apparatus of claim 1, wherein the solid adsorbent is selected from the group including zeolites, activated charcoals, gels of silica and activated alumina, and the refrigerating fluid is selected from the group including water, methanol and ammonia. 8. A process for operating the thermodynamic apparatus of one of claims 1 or 2, comprising the following steps: in a first stage, simultaneously connecting: the hot circuit to the exchanger to start desorption of the heating fluid thereof, the cold circuit to the reactor of the second tank to allow adsorption of the refrigerating fluid thereon, and simultaneously, removing the heat furnished by the condensation of the refrigerating fluid on the condensor of the first tank by the cold circuit and removing from the cooling circuit the energy of vaporization of the refrigerating fluid on the evaporator of the second tank; in a second stage, connecting together the reactors of the two tanks to thermally equilibrate these reactors, for cooling the first tank, which then begins to adsorb, and to allow pre-heating of the second tank, which then begins to desorb, while continuing to remove the heat furnished by the condensation of the refrigerating fluid on the condensor of the second tank on the cold circuit and continuing to remove from the cooling circuit the energy of vaporization of the refrigerating fluid on the evaporator of the first tank; in a third stage, while continuing to remove the heat furnished by the condensation of the refrigerating fluid on the condensor of the second tank on the cold circuit and to take from the cooling circuit the energy of vaporization of the refrigerating fluid on the evaporator of the first tank, connecting: the hot circuit to the reactor of the second tank for desorption of the latter, the cold circuit to the reactor of the first tank for adsorption of the latter; in a fourth stage, connecting the reactors of the two tanks again to thermally equilibrate these two reactors again, for the cooling of the second tank, which then begins to adsorb, and to allow pre-heating of the first tank, which then begins to desorb, while continuing to remove the heat generated by the condensation of the refrigerating fluid on the condensor of the first tank by the cold circuit and continuing to remove from the cooling circuit the energy of vaporization of the refrigerating fluid on the evaporator of the first tank by the cold circuit and continuing to remove from the air-conditioning circuit the energy of vaporization of the refrigerating fluid on the evaporator of the second tank; and finally, in a fifth stage, connecting: the hot circuit to the reactor of the first tank, the cold circuit to the reactor of the second tank, and continuing to remove the heat generated by the condensation of the refrigerating fluid on the condensor of the first tank by the cold circuit and continuing to remove from the cooling circuit the energy of vaporization of the refrigerating fluid on the evaporator of the second tank. 9. The process of claim 8, wherein the different connections are regulated by a regulating member which controls opening and closing of valves placed in pipes of the different circuits. 10. The apparatus of claims 1 orr 2, wherein each one-piece tank is horizontal and cylindrical, and the finned tubes thereof are disposed around a circle inside the periphery of the tank.
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