JP2020501071A5

JP2020501071A5 -

Info

Publication number: JP2020501071A5
Application number: JP2019529161A
Authority: JP
Filing date: 2017-11-28
Publication date: 2020-12-03
Anticipated expiration: 2037-11-28

Claims

A method for generating thermal energy and electrical energy within a liquefied gas regasification line.
The regasification line
A section of the closed gas cycle that works with the working fluid ,
First heat exchanger heat before Symbol working fluid is Ru is transmitted for that regasification before SL liquefied gas (HE1),
A turbine (T2) for generating an electric current by the working fluid and
A second heat exchanger (HE2) , which is part of the circuit of the first intermediate fluid that transfers heat to the working fluid, and
A third heat exchanger (HE3), which is part of the circuit of the second intermediate fluid that transfers heat to the working fluid, and
With
The second intermediate fluid is seawater or ambient air .
The method is
1) A step of operating a closed gas cycle using a working fluid.
The step to operate is
i) One or more steps of acquiring thermal energy by the working fluid, including the step of acquiring thermal energy from seawater or ambient air (step A).
ii) Steps to generate electrical energy using the working fluid of the closed gas cycle,
iii) A step of operating, including a step of transferring thermal energy from the working fluid to the liquefied gas in the first heat exchanger (HE1).
Including methods.

The circuit of the first intermediate fluid is a circuit that operates the boiler circuit, or fumes produced by the boiler of the boiler circuit, the method according to claim 1.

The boiler water cooling and heating of the working fluid in a closed gas cycle output from the first heat exchanger (HE1) is carried out in the second heat exchanger (HE2) in, to claim 2 The method described.

The second or third claim, wherein the cooling of the boiler water and the heating of the working fluid of the closed gas cycle output from the third heat exchanger (HE3) are carried out in the second heat exchanger. Method .

In the third heat exchanger (HE3), cooling of seawater and heating of the working fluid of the closed gas cycle output from the first heat exchanger (HE1) cause the liquefied gas to be the working fluid. The method according to any one of claims 1 to 4 , which is carried out for regasification.

It said first intermediate fluid outlet from the second heat exchanger (HE2) is sent to the boiler of the boiler circuit for heat exchange with the fumes generated by the boiler, according to claim 2 The method according to any one of 5 to 5 .

A turbine (T2) of the closed gas cycle, the working fluid in the second heat exchanger (HE2) the closed gas cycle then heated pressurized Ru output from is supplied, one of the claims 1-6 The method described in one.

Wherein the said turbine (T2) in a closed gas cycle, the working fluid heated the closed gas cycle as an output from the boiler of the boiler circuit is supplied, The method of claim 6.

Boiler circuit, a portion of the regasified gas heat exchanger is output from said first heat exchanger to be mounted in the middle (HE1) between the liquefied gas and the working fluid of the closed gas cycle The method according to any one of claims 1 to 8 , comprising a boiler to be supplied.

A heat pump (HP) is further provided, and the heat pump is
-Cooling fluid circuit and
- a first heat exchanger of the heat pump for heat exchange between the first intermediate fluid of the heat pump and cold却流body (HPF1) (CPC),及beauty cold却流body and a second of said heat pump With the second heat exchanger (VPC) of the heat pump for heat exchange with the intermediate fluid (HPF2),
- another heat exchanger and (HE4) Bei example for heat exchange between the second intermediate fluid (HPF2) and the liquefied gas,
The method further
2) It is a step to operate the heat pump (HP) by the following steps.
a) A step of implementing a first heat exchange between the cooling fluid and the first intermediate fluid (HPF1) of the heat pump, wherein the first intermediate fluid (HPF1) heats the cooling fluid. Communicate, steps,
b) A step of performing a second heat exchange between the cooling fluid and the second intermediate fluid (HPF2) of the heat pump, wherein the cooling fluid heats the second intermediate fluid (HPF2). Including, stepping, and operating step,
3) A step of implementing heat exchange between the second intermediate fluid (HPF2) and the liquefied gas, and
The method according to any one of claims 1 to 9 , further comprising .

10. The method of claim 10 , wherein the heat pump is supplied by a generator (G1) coupled to the turbine (T2) of the closed gas cycle.

Circuit of the second intermediate fluid is added to or BOG circuit is replaced by a BOG circuit, the BOG circuit Ru with a heat exchanger HE5 causing heat exchange between the seawater and the BOG circuit, The method according to any one of claims 1 to 11 .

Wherein step i) is an alternative or additional step A, comprising the step (step A ') for acquiring heat energy from the superheated water or diathermy boiler oil, who according to any one of claims 1 to 12 Law.

Step 3 The liquefied gas) is partially regasified liquefied gas in the first heat exchanger (HE1) within process towards according to any one of claims 1 to 13.

The electrical energy generated in step ii) comprises the step of providing the heat pump (HP), Method person according to any one of claims 10-14.

Step iii) a portion of the regasified gas according to characterized in that it is supplied to the boiler, methods who according to any one of claims 10-15.

The method according to any one of claims 10 to 16 , wherein the working fluid is selected from the group containing argon, nitrogen, helium, and air, and is preferably argon.

It is performed independently with regasification lines having different regasification terminal method towards according to any one of claims 10-17.

The liquefied gas is selected from the group containing air, alkanes such as nitrogen, propane and butane, hydrocarbon compounds such as alkene such as ethylene and propylene, or liquefied natural gas (LNG), preferably liquefied natural gas ( a LNG), method person according to any one of claims 10 to 18.

The method according to any one of claims 10 to 19 , for forming a gaseous, liquid, or solid cryogenic storage.

Regasification for liquefied gas comprising one or more regasification lines for liquefied gas operating by the method according to any one of claims 1-20, wherein the regasification lines are parallel. Terminal.

The regasification terminal for liquefied gas according to claim 21, further comprising an underwater combustion vaporizer (SCV) or an open rack vaporizer type vaporization section.