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Gas power circulation system and circulation method

A circulatory system and power cycle technology, applied to combustion engines, gas turbine devices, internal combustion piston engines, etc., can solve problems such as limited power generation efficiency

Inactive Publication Date: 2006-11-29
BEIJING UNIV OF CHEM TECH
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  • Description
  • Claims
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Problems solved by technology

The power generation efficiency of the system has reached 44.3%. This cycle does not use the chemical heat recovery method. The recovered waste heat from the turbine exhaust is only used as a heat source for the corresponding logistics for general heating, which has a limited effect on improving the power generation efficiency of the system.

Method used

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Embodiment Construction

[0015] Such as figure 2 Shown: the system of the present invention consists of O 2 / CO 2 Combination of chemical heat recovery power cycle and ammonia absorption refrigeration cycle. The specific implementation is as follows:

[0016] With natural gas as fuel, with CO 2 As the circulating working fluid, the CO cooled by the cooler 28 2 Pressurized by the compressor 18, mixed with the natural gas from the natural gas pipeline in the mixer 24, enters the reforming reactor 22 to undergo a reforming reaction, the reforming reaction gas reacts with oxygen according to the stoichiometric number, and the reforming reaction equation is: ; , the reformed product generates H 2 and CO, then enter the combustion chamber 20, and undergo a combustion reaction with the pure oxygen pressurized by the compressor 19, and the combustion reaction equation is: ; ; , the generated high-temperature gas expands in the turbine 21 to do work. The turbine exhaust first...

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Abstract

The invention supplies a fuel gas power cycling system and the cycling method. It includes the following steps: it combines O2 / CO2 chemical heat backing power cycling and ammonia absorbing refrigeration system, the compressed CO2 gas taking reforming reaction with natural gas in reforming reactor, and the gas after reforming taking burning reaction with pure oxygen in burning room; the high temperature would coming into turbine and expanding to apply; the turbine exhausting and supplying heat to reforming reactor and supplying heat to ammonia absorbing refrigerating cycling system; the cold quantity would be used to cool CO2 and output; the condenser would separate water and CO2, and outputting the water; part of CO2 would be used to take driving cycling, and the other part would be transformed to liquid state and output from system. The invention could generate electric and cold, and has CO2 trapping function and water saving function.

Description

technical field [0001] The present invention proposes a gas power circulation system and a circulation method, involving chemical reheating, O 2 / CO 2 System combination of power cycle, ammonia absorption refrigeration cycle and cycle method. It can be used in natural gas power generation system. Background technique [0002] The chemical recuperative power cycle is a power generation system that effectively utilizes the waste heat from turbine exhaust. Using the method of chemical heat recovery, the system recovers the waste heat of the high-temperature exhaust of the turbine, which is used for reforming reaction of fuels such as methane, methanol or dimethyl ether, and converts it into H 2 and CO fuel blends. The combustion heat of the converted mixed fuel is greater than that of the unreformed fuel, and the low-grade waste heat recovered by chemical recuperation is converted into the combustion heat of the fuel, which is released at high temperature. The reformed gas...

Claims

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Application Information

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IPC IPC(8): F02C6/18F01D15/10F25B27/02F02G5/02
CPCY02T10/166Y02A30/274Y02T10/12
Inventor 郑丹星曹文
Owner BEIJING UNIV OF CHEM TECH
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