阅读说明：本技术 将恒温箱致冷到目标温度的方法及相关设施 (Method for cooling an oven to a target temperature and related installation ) 是由 阿莱克斯·普维尔 劳特·里格 大卫·迪奥多 德里斯·斯提图 娜塔莉·玛泽 于 2018-09-07 设计创作，主要内容包括：本发明涉及使隔热箱(C)达到目标温度Tc的致冷方法：根据本方法,将蒸发器(E)置入所述隔热箱(C)内；使所述蒸发器(E)与至少一个热反应器Ri流体连通；同时,移除所述反应器Ri内产生的全部或部分热量；其特征在于：提供n个其他热化学反应器,n大于1；I)确定由所述热化学反应器Ri以及与其实现流体连通的所述蒸发器(E)所形成的组件内的压力Pevi和/或与所述蒸发器(E)实现流体连通的热化学反应器Ri的温度；II)当连接到所述蒸发器(E)的所述反应器Ri的温度和所述压力Pevi下所述热化学反应器Ri内所含反应混合物的平衡温度TeSi之间的温度差DTRi等于给定的第一差△T1时,和/或当所述蒸发器(E)和所述隔热箱(C)内部的温度差DTev等于给定的第二差△T2时,隔离所述蒸发器(E)和所述反应器Ri,并使所述蒸发器(E)与从尚未连接到所述蒸发器(E)的、且其压力小于Pevi的、和/或其温度低于给定值的所述n个其他热化学反应器中选择的至少一个热化学反应器Ri+1实现流体连通,并移除连接到所述蒸发器的所述一个或多个反应器Ri+1内所产生的全部或部分热量；III)参照与所述蒸发器(E)实现流体连通的所述热化学反应器Ri+1,重复步骤I)和II),直至所述隔热箱(C)内温度Tc和所述目标温度Tc之间的差等于第三差△T3。(The invention relates to a refrigeration method for bringing a heat-insulating box (C) to a target temperature Tc, comprising: according to the method, an evaporator (E) is placed in the thermally insulated box (C); -bringing the evaporator (E) in fluid communication with at least one thermal reactor Ri; simultaneously, removing all or part of the heat generated within the reactor Ri; the method is characterized in that: providing n further thermochemical reactors, n being greater than 1; I) determining a pressure Pevi within an assembly formed by the thermochemical reactor Ri and the evaporator (E) in fluid communication therewith and/or a temperature of the thermochemical reactor Ri in fluid communication with the evaporator (E); II) when the temperature difference DTRi between the temperature of the reactor Ri connected to the evaporator (E) and the equilibrium temperature TeSi of the reaction mixture contained in the thermochemical reactor Ri at the pressure Pevi is equal to a given first difference DeltaT 1, and/or isolating the evaporator (E) from the reactor Ri when the temperature difference DTev inside the evaporator (E) and the insulated box (C) is equal to a given second difference DeltaT 2, and bringing said evaporator (E) into fluid communication with at least one thermochemical reactor Ri +1 chosen from said n other thermochemical reactors not yet connected to said evaporator (E) and having a pressure lower than Pevi and/or a temperature lower than a given value, and removing all or part of the heat generated in the one or more reactors Ri +1 connected to the evaporator; III) repeating steps I) and II) with reference to the thermochemical reactor Ri +1 in fluid communication with the evaporator (E) until the difference between the temperature Tc inside the insulated box (C) and the target temperature Tc is equal to a third difference DeltaT 3.)

1. Refrigeration method to bring the thermal box (C) substantially to the target temperature Tc:

-placing an evaporator (E) inside said insulated box (C), said evaporator (E) containing a fluid in liquid phase, said liquid phase of said fluid being in equilibrium with its gaseous phase;

-bringing said evaporator (E) in fluid communication with at least one thermal reactor Ri comprising a mixture containing at least one reaction compound Si capable of chemically reacting with the gaseous phase of said fluid to form a reaction product whose synthesis chemical reaction is a reversible exothermic reaction;

-simultaneously, removing all or part of the heat generated inside the reactor Ri;

-providing n further thermochemical reactors, each of which comprises a mixture containing at least one reaction mixture, optionally identical to said reaction mixture Si, n being an integer equal to or greater than 1;

the method is characterized in that:

-optionally, providing a set of external thermochemical reactors (Rm) different from said set of n reactors and different from said reactor Ri, comprising at least one external thermochemical reactor (Rm);

I) determining a pressure Pevi within an assembly formed by the thermochemical reactor Ri and the evaporator (E) in fluid communication therewith and/or a temperature of the thermochemical reactor Ri in fluid communication with the evaporator (E);

II) when the temperature difference DTRi between the temperature of the reactor Ri connected to the evaporator (E) and the equilibrium temperature TeSi of the reaction mixture contained in the thermochemical reactor Ri at the pressure Pevi is equal to a given first difference DeltaT 1, and/or isolating the evaporator (E) from the reactor Ri when the temperature difference DTev inside the evaporator (E) and the insulated box (C) is equal to a given second difference DeltaT 2, and bringing said evaporator (E) into fluid communication with at least one thermochemical reactor Ri +1 chosen from said n other thermochemical reactors not yet connected to said evaporator (E) and having a pressure lower than Pevi and/or a temperature lower than a given value, and removing all or part of the heat generated in the one or more reactors Ri +1 connected to the evaporator;

III) repeating steps I) and II) with reference to the thermochemical reactor Ri +1 in fluid communication with the evaporator (E) until the difference between the temperature Tc inside the insulated box (C) and the target temperature Tc is equal to a third difference DeltaT 3, and,

-optionally, bringing in fluid communication said evaporator (E) with at least one of said n +1 thermochemical reactors of said plant to repeat steps I) and II) to keep the difference between the temperature Tc inside said insulated box (C) and said target temperature Tc substantially equal to said target temperature Tc, or bringing in fluid communication said evaporator (E) with said external group of thermochemical reactors (Rm) different from said n reactors and from said reactor Ri, comprising at least one external thermochemical reactor, to keep the difference between the temperature Tc inside said insulated box (C) and said target temperature Tc less than or equal to a third difference Δ T3.

2. A method according to claim 1, characterized in that: -interconnecting a portion of said n +1 thermochemical reactors, in particular connecting them two by two, and bringing them into fluid communication with said evaporator (E), while the other portion is isolated from said evaporator (E), and removing at least part of the heat released by the synthetic exothermic reaction inside the reactor brought into fluid communication with said evaporator (E) into the reactor isolated from said evaporator (E) by conduction.

3. A method according to claim 2, characterized in that: the thermally connected reactors forming pairs of thermochemical reactors, the second thermochemical reactor of each pair being in fluid communication with at least one Condenser (CD), the second thermochemical reactor containing a quantity of reaction products produced in a synthetic chemical reaction and optionally a mixture containing unreacted reaction compounds Si, the step I) being performed using the first thermochemical reactor and then the step II) being performed using the second thermochemical reactor, or the steps I) and II) being performed using the first thermochemical reactor; and the heat released by the synthesis reaction in the first reactor is sent to the second reactor, in particular by conduction, to decompose the reaction products contained in the second reactor and the fluid in the gaseous phase regenerated in the second reactor is condensed in the Condenser (CD), said condensation taking place in particular at the temperature of the Condenser (CD), which may be the external temperature of the thermal box (C).

4. Refrigeration plant for bringing the temperature of an insulated box (C) substantially to a target temperature Tc, capable of implementing the method of any one of claims 1 to 3, comprising:

-a heat-insulating box (C);

-an evaporator (E) mounted inside said insulated box, said evaporator (E) containing a fluid in liquid phase, said liquid phase of said fluid being in equilibrium with the gaseous phase thereof;

-at least one thermochemical reactor Ri containing a reaction mixture Ri capable of chemically reacting with said fluid in the gas phase to form a reaction product; the chemical reaction of synthesis of the reaction products is a reversible exothermic reaction, the thermochemical reactor Ri being able to be in fluid communication with the evaporator (E) through a conduit Li provided with a valve device (Vi);

-heat removal means (VT1, VT2, Rd1, Rd2)

-means for measuring the temperature inside said insulated box (C);

-means of heating said one or more thermochemical reactors Ri, capable of causing a counter-endothermic reaction of decomposition of said reaction products, resulting in a regeneration of said reaction mixture and of said fluid in the gas phase;

-in addition, at least n thermochemical reactors Ri +1, n being an integer greater than or equal to 1, each reactor Ri +1 containing a reaction mixture Si +1, optionally identical to said reaction mixture Si and capable of reacting chemically with said fluid in the gas phase to form a reaction product, said chemical reaction of synthesis of said reaction product being a reversible exothermic reaction, each of said n reactors being in fluid communication with said evaporator (E) through a specific line Li + 1;

-a valve Vi +1, mounted on each line Li +1 and able to ensure a fluid connection between said reactor and said evaporator (E) when placed in an open position and to isolate said reactor Ri from said evaporator (E) and from said other n thermochemical reactors when placed in a closed position;

-means for heating each of said thermochemical reactors Ri +1, capable of causing a counter-endothermic reaction of decomposition of said reaction products, so as to regenerate said reaction mixture and said fluid of the gas phase; and

-heat removal means suitable for removing the heat generated by the synthesis reaction inside each of said thermochemical reactors Ri and Ri + 1;

characterized in that said installation further comprises:

-means for comparing a given third difference (Δ T3) with the difference between the temperature measured inside the thermally insulated box (C) and the target temperature Tc; and/or

-means to determine the temperature Tev inside the evaporator (E) and/or the pressure inside the evaporator (E) or the pressure Pev inside each of the reactors Ri and Ri + 1;

-means for determining the temperature Ti inside said reactor Ri and inside each of said thermochemical reactors Ri +1 of said n +1 reactors;

-means to determine the difference DTev between the temperature of the insulated box (C) and the temperature of the evaporator (E);

-means for determining the Difference (DTRi) between said determined temperature Ti and the equilibrium temperature Tesi of the reaction mixture Si contained in said thermochemical reactor considered at a pressure Pevi determined in said evaporator (E); and/or

-means for comparing DTRi and/or DTev with a given first and second difference (Δ T1;. Δ T2), respectively; and

-means of controlling the open/close position of each of said valves Vi and Vi +1, said control means being coupled with said comparison means and configured so as to bring said evaporator (E) into fluid communication with at least one chemical reactor Ri +1 selected from said thermochemical reactors which are not yet connected to said evaporator and whose pressure is lower than said determined pressure Pevi inside said evaporator (E), and/or whose temperature is lower than said given value, when said comparison means determine that DTRi and/or DTev are lower than a first difference and a second difference (at 1; at 2), respectively;

-optionally, also comprising an external thermochemical reactor battery comprising at least one external thermochemical reactor, distinct from said n reactors and from said reactors Ri, and able to be brought into fluid communication with said evaporator (E) through at least one conduit provided with valve means;

-and said control means are coupled with said comparison means for enabling fluid communication of said evaporator (E) with at least part of said n reactors when the difference between the temperature inside said insulated box (C) and the target temperature is equal to said third difference (at 3); or for enabling fluid communication of the evaporator with the group of external thermochemical reactors comprising at least one external thermochemical reactor, when the difference between the temperature inside the insulated box (C) and the target temperature is equal to the third difference (DeltaT 3).

5. The plant according to claim 4, characterized in that: the heat removal device can ensure that heat is removed by forced convection and in particular comprises at least one ventilator, and/or the heat removal device can remove heat by conduction and optionally store the removed heat in the form of sensible heat in the material and/or in the form of latent heat in the material from which heat has been removed by a change in physical state and/or by a chemical reaction of the material.

6. The apparatus according to claim 5, characterized in that: at least a portion of said n +1 reactors being thermally connected so that when said portion of thermally connected reactors is brought into fluid communication with said evaporator (E) by opening of said valve means (Vi), the remainder of said thermally connected reactors are isolated from said evaporator (E); and the isolated portion is configured to allow heat released by the synthesis reaction to be removed by conduction in the reactor in fluid communication with the evaporator (E); and storing the rejected heat in the form of sensible heat based on the specific heat capacity of the reaction product and/or the reaction product; and/or storing the heat rejected as latent heat due to decomposition of the reaction products.

7. The apparatus according to claim 5, characterized in that: some of the thermally connected reactors are nested one within the other, in particular two to two, to ensure that the thermal connection is achieved in a conductive manner by forming pairs of thermally connected thermochemical reactors.

8. The plant according to claim 6 or 7, characterized in that: at least a portion of the thermally coupled reactors comprise a hollow plate that closes the reaction mixture; and the hollow plates of the two reactors are interpenetrated in order to achieve thermal connection of the thermochemical reactors by conduction and/or convection.

9. The plant according to claim 7 or 8, characterized in that: each first reactor of each pair of thermally connected thermochemical reactors is connected to the evaporator (E) by means of a dedicated line dedicated to said each reactor and equipped with valve means; and the plant further comprises at least one Condenser (CD) connected to each second reactor by a line equipped with valve means; and optionally, each of said second thermochemical reactors may be connected to said evaporator (E) by means of a pipe dedicated to each reactor and equipped with valve means; and the control means are coupled to the comparison means and are configured to bring the evaporator (E) into fluid communication with the part of the first reactor not previously connected to the evaporator (E) when the comparison means determine that DTRi and/or DTev are lower than the first and second differences (DeltaT 1; DeltaT 2), respectively or both, or to bring the evaporator (E) into fluid communication with the second reactor when the second reactor can be connected to the evaporator (E).

10. The installation according to any of the preceding claims, wherein: each thermochemical reactor Ri has a wall defining an enclosure enclosing said reaction mixture; and said temperature determination means of each of said thermochemical reactors Ri comprise means for measuring the temperature of the walls of the plates of each of said reactors Ri.