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Low temperature cold source heat engine

A low-temperature cold source, heat engine technology, applied in the field of thermal energy and power, can solve problems such as greater impact, and achieve the effect of improving efficiency

Inactive Publication Date: 2013-04-17
ZEROQ SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The temperature of the heat source and the temperature of the cold source determine the limit efficiency of the heat engine, however, the temperature of the cold source has a greater influence on the efficiency of the heat engine than the temperature of the heat source

Method used

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  • Low temperature cold source heat engine
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  • Low temperature cold source heat engine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 2 The shown low-temperature cold source heat engine includes an external combustion engine and a gas liquefied substance source 1, the external combustion engine is set as a Stirling engine, and the gas liquefied substance source 1 is set as a storage tank containing gas liquefied substance, and the The gas liquefied product is liquefied air. The storage tank communicates with the cold source of the external combustion engine, that is, it communicates with the cooling fluid channel on the cold cylinder 30 of the Stirling engine, that is, the gas liquefied product is used as the cold source of the external combustion engine. Heat absorbing carrier.

[0031] Optionally, the liquefied gas is liquefied carbon dioxide, liquid oxygen, liquid nitrogen or liquid helium.

Embodiment 2

[0033] Such as image 3 The difference between the low-temperature cold source heat engine shown in Embodiment 1 is that the external combustion engine is set as a Brayden cycle thermodynamic system.

Embodiment 3

[0035] Such as Figure 4 The low-temperature cold source heat engine shown is based on Embodiment 2: the cooling fluid outlet of the cold source communicates with the working fluid inlet of the power turbine in the Brayden cycle thermodynamic system, and the gas-liquid extraction The liquefied substance absorbs heat and vaporizes into a high-temperature gas, which can enter the circulation pipeline in the Brayden cycle thermodynamic system and participate in the thermodynamic cycle as a working medium. The gas liquefied product is set as liquid helium.

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Abstract

The invention relates to the field of heat energy and power, in particular to a heat engine. The heat engine comprises a heat engine body and a gas liquefaction resultant source. The gas liquefaction resultant source is provided with gas liquefaction resultant which serves as the cold source of the heat engine body. The low temperature cold source heat engine uses the gas liquefaction resultant as the low temperature heat source, so that the efficiency of the heat engine is greatly improved.

Description

technical field [0001] The invention relates to the field of heat energy and power, in particular to a heat engine. Background technique [0002] Any kind of heat engine is a power mechanism that works between a heat source and a cold source, no matter whether the heat source and the cold source are pre-existing, artificially manufactured, or formed during a cycle. The temperature of the heat source and the temperature of the cold source determine the limit efficiency of the heat engine, but compared with the temperature of the heat source, the temperature of the cold source has a greater influence on the efficiency of the heat engine. In an external combustion engine, its cooling source is very obvious and easy to understand; in an internal combustion engine, its apparent cooling source (that is, the formal cooling source) is not the environment but the working fluid after expansion and work, but its real cooling source is the engine air intake. If the temperature of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02G1/055F02C7/141F02B29/04
CPCY02T10/12
Inventor 靳北彪
Owner ZEROQ SCI & TECH
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