阅读说明：本技术 液化天然气的再气化 (Regasification of liquefied natural gas ) 是由 C.格雷伯 U.朱雷泽克 于 2018-09-04 设计创作，主要内容包括：本发明涉及一种用于产生电能和用于使深冷液化的气体蒸发的装置(1),其包括用于深冷液化的气体的管路(2)、布置在所述管路(2)中的泵(3)、热机(4)以及连接在所述热机(4)之后的废热利用系统(5),其特征在于,分支管路(18)从管路(2)分支出来并且所述分支管路(18)通入热机(4)中,并且所述装置(1)还包括流体循环(6),以下部件沿着流体的流动方向前后相继地布置在所述流体循环中：-第一热交换器(7),所述第一热交换器还沿着深冷液化的气体的流动方向在泵(3)之后连接到管路(2)中,-压缩机(8),-第二热交换器(9),-相互并联的具有第一侧(11)的第三热交换器(10)和废热利用系统(5),-具有耦连的发电机(14)的膨胀机(13)以及-具有第二侧(12)的第三热交换器(10)。本发明还涉及一种相应的用于产生电能和用于使深冷液化的气体蒸发的方法。(The invention relates to a device (1) for generating electrical energy and for evaporating cryogenically liquefied gases, comprising a line (2) for cryogenically liquefied gases, a pump (3) arranged in the line (2), a heat engine (4), and a waste heat utilization system (5) connected downstream of the heat engine (4), characterized in that a branch line (18) branches off from the line (2) and the branch line (18) opens into the heat engine (4), and in that the device (1) further comprises a fluid circuit (6) in which the following components are arranged one behind the other in the flow direction of the fluid: -a first heat exchanger (7) also connected in the line (2) after the pump (3) in the flow direction of the cryogenically liquefied gas, -a compressor (8), -a second heat exchanger (9), -a third heat exchanger (10) with a first side (11) and a waste heat utilization system (5) in parallel with each other, -an expander (13) with a coupled generator (14) and-a third heat exchanger (10) with a second side (12). The invention also relates to a corresponding method for generating electrical energy and for evaporating cryogenically liquefied gases.)

1. Device (1) for generating electrical energy and for evaporating cryogenically liquefied gas, comprising a line (2) for the cryogenically liquefied gas, a pump (3) arranged in the line (2), a heat engine (4) and a waste heat utilization system (5) connected after the heat engine (4), characterized in that a branch line (18) branches off from the line (2) and the branch line (18) leads into the heat engine (4), and in that the device (1) further comprises a fluid circulation (6) in which the following components are arranged one behind the other in the flow direction of the fluid:

-a first heat exchanger (7) which is also connected into the line (2) after the pump (3) in the flow direction of the cryogenically liquefied gas,

-a compressor (8),

-a second heat exchanger (9),

-a third heat exchanger (10) having a first side (11) and a waste heat utilization system (5) connected in parallel to each other,

-an expander (13) with a coupled generator (14) and

-a third heat exchanger (10) having a second side (12).

2. Device (1) according to claim 1, wherein a fourth heat exchanger (15) with a first side (16) is arranged in the fluid circuit (6) in parallel with the first side (11) of the third heat exchanger (10) and in the flow direction of the fluid before the waste heat utilization system (5), and wherein the fourth heat exchanger (15) with a second side (17) is also arranged in the fluid circuit (6) in the flow direction of the fluid after the second side (12) of the third heat exchanger (10).

3. The device (1) according to one of claims 1 or 2, wherein a fifth heat exchanger (19) is arranged in the branch line (18) and before the second side (12) of the third heat exchanger (10) in the fluid circulation (6).

4. The device (1) according to one of the preceding claims, wherein a sixth heat exchanger (20) is arranged in the line (2) before the branching point (21) of the branch line (18).

5. Plant (1) according to one of the preceding claims, wherein said cryogenically liquefied gas is natural gas.

6. Device (1) according to one of the preceding claims, wherein the fluid circulation (6) is a nitrogen circulation.

7. A method for generating electrical energy and for evaporating a cryogenically liquefied gas, in which method, the cryogenically liquefied gas is compressed and heated and evaporated in a first heat exchanger (7) by a fluid stream, characterized in that the fluid flow is guided in a circuit, wherein the fluid flow is compressed after the first heat exchanger (7), the heat is absorbed in the second heat exchanger (9) and divided into a first partial flow (22) and a second partial flow (23), wherein the first partial flow (22) is heated at least in the waste heat utilization system (5) by the exhaust gas of the heat engine (4) and the second partial flow (23) is heated in the third heat exchanger (10) and the first partial flow (22) and the second partial flow (23) are recombined, the combined fluid is depressurized and the second partial flow (23) is then heated in the third heat exchanger (10) before the fluid heats the cryogenically liquefied gas in the first heat exchanger (7).

8. A method according to claim 7, wherein after the fluid heats the second partial stream (23) in the third heat exchanger (10), the first partial stream (22) is heated by the fluid in the fourth heat exchanger (15) before the first partial stream (22) is heated in the waste heat utilization system (5).

9. Method according to one of claims 7 or 8, wherein the gas previously cryogenically liquefied is at least partially fed into a gas network (24) and partially into a heat engine (4).

10. Method according to claim 9, wherein the gas previously cryogenically liquefied, input to the heat engine (4), is preheated in a fifth heat exchanger (19) by the fluid for combustion before the fluid heats the second partial stream (23) in the third heat exchanger (10).

11. Method according to one of claims 7 to 10, wherein nitrogen is used as fluid in the fluid circulation (6).

12. The method according to claim 11, wherein the fluid circulation (6) is operated supercritical.

13. The method according to one of claims 7 to 12, wherein natural gas is used as the cryogenically liquefied gas.