JPS63208627A - Air storage type gas turbine device - Google Patents

Abstract

PURPOSE:To promote the saving of fuel, by providing a heat accumulator tank to be arranged between a gas turbine device, containing an air compressor, and an air storage tank so that the gas turbine device decreases the volume of the air storage tank by decreasing a temperature of air while heats air for combustion. CONSTITUTION:Air is compressed by a compressor 2, and the air, after its temperature is decreased by a heat accumulator tank 8, is stored in a storage device 7 as the high pressure air. In this way, the storage device 7 decreases its volume. While in the daytime with peak power necessary, the high pressure air, being introduced from the storage device 7 to the heat accumulator tank 8, is supplied to a combustor 4 as the air for combustion. In this way, fuel in the combustor 4 is saved. And combustion gas, high increasing its temperature and pressure in the combustor 4, is supplied to a gas turbine 5 and a generator 6. Further thermal energy, discharged from an intermediate cooler 3 of the compressor 2, is also collected to the heat accumulator tank 8.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an air storage type gas turbine device that is applied to a gas turbine or the like and is equipped with a filter heat tank, and can be used in the technical field of increasing thermal efficiency.

Conventional technology The prior art will be explained with reference to FIG.

Operate air IE shoulder machine 2 to collect surplus deer late at night, and find underground rock salt layers or storage I! ! , stores high-pressure air in the monks, etc., and sends the stored high-pressure air to the combustor 4 to generate high-temperature high-temperature combustion gas.
It is expanded and recovered as power, which powers the generator 9L1 and 6.

Air pressurized by air pressure machine 2 is used as it is (250~
350°C), which increases storage space. In addition, during storage, thermal energy is gradually lost due to heat radiation, leading to a decrease in thermal efficiency during power generation.
It is not economical to keep the entire storage space warm due to the large r'l volume.

Problems to be Solved by the Invention The air storage type cast turbine requires a large volume of space to store high-pressure air, but the air I:
By passing the air leaving the fE shrinkage tank 2 through the heat storage tank 8 to reduce its temperature and volume, it is possible to reduce the storage volume.

In places where storage capacity is limited, it is possible to store more air, and the temperature of the stored air can be increased even without insulating the storage equipment. l1 surrounding, close to Mengxia, less thermal energy is lost during storage.

In addition, by introducing high-pressure air into the heat storage tank 8, heating the high-pressure air, sending it to the combustor 4 for combustion, and then expanding it in the gas turbine 5, the fuel required for combustion and dawn can be saved, and the high-pressure air can be heated. An efficient plant can be created.

Means for Solving the Problems The present invention takes the following measures to solve the above-mentioned problems. In other words! A system is installed between a gas turbine device including a nitrogen gas turbine equipped with a mower, an intercooler, etc., and an air storage tank by reducing the volume of the air storage tank and heating the combustion air by storing heat in the tank. This is an air storage type gas turbine device that saves fuel.

Operation According to the above-mentioned means, electrical energy which cannot be stored is converted into air pressure 1. When converting the energy contained in the discharged air into the form of 1M air discharged, and converting the thermal energy into a heat storage tank and the potential energy into storage equipment in the form of high-pressure air, the potential energy and thermal energy are converted into In the process of combining the two, the heat storage tank has the function of minimizing energy loss during storage and minimizing the need for high-pressure air storage equipment.

EXAMPLE Next, an example of the present invention will be explained using the system diagram shown in FIG. In the figure, the same reference numerals as in the above conventional example indicate the same parts.

In the air storage type gas turbine device, the air compressed by the nitrogen storage device 2 passes through the heat storage tank 8 to reduce its volume by 1 m, and then is stored in the nitrogen storage device 7 as high-pressure air. The volume of the air storage device 7 can be reduced by training the animal to undergo this temperature reduction.

During peak use during the daytime, the air is guided through the air storage device 7 and into the heat storage tank 8 by the masu operation, and the 71
11 and then sent to the combustor 4 as combustion air. By going through this heating process, it is possible to save fuel in the V combustor 4.

The burnt gas, which has reached a pot temperature and high pressure in the burner 4, is sent to the gas turbine 5 where it expands, and thermal energy is recovered as rotational energy. converted and used.

Further, one idea is to recover the thermal energy discharged by the intercooler 3 of the air pressure return 2 into the heat storage tank 8 using a heat medium or the like. There is no problem even if this system is set up in a separate system, that is, a separate heat storage tank.

Effects of the Invention According to the gas turbine device of the present invention, it is possible to reduce the volume of injection for storing high-pressure air, and to minimize the loss of thermal energy due to heat radiation during storage without having to keep the entire large storage facility warm. I can do it. Furthermore, when generating heat using stored air, fuel can be saved by using the heat stored in the heat storage tank.

[Brief explanation of the drawing]

FIG. 1 is a system diagram of an air storage type gas turbine device according to the present invention, and FIG. 2 is a system diagram of a gas turbine device according to the prior art. ]...Electric motor, 2...Air pressure, Compressor 1.3...Intercooler, 4...Combustor, 5...Gas turbine, 6...Generator, 7...Air storage device, 8...Heat storage Tank. 1st (2)

Claims (1)

[Claims] A system is installed between an air storage tank and a gas turbine device including an air compressor attached to an electric motor, an intercooler, etc., by reducing the volume of the air storage tank and heating the combustion air by storing heat in the tank. Air storage type gas turbine equipment to save fuel.