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Chemical industry power multi-generation energy resource system and method for separating C02

A technology for co-generation of energy and poly-generation, applied in the field of energy and environment, can solve problems such as the decline of energy system efficiency, and achieve the effect of improving energy utilization, high chemical conversion rate, and energy utilization level.

Inactive Publication Date: 2008-12-10
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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  • Abstract
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  • Claims
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Problems solved by technology

[0014] In view of this, an object of the present invention is to provide a kind of chemical power polygeneration energy system, to solve the problem caused by CO 2 The problem of reduced energy system efficiency due to the separation process
[0015] Another object of the present invention is to provide a kind of chemical power polygeneration method, to solve the problem caused by CO 2 The problem of reduced energy system efficiency due to the separation process

Method used

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  • Chemical industry power multi-generation energy resource system and method for separating C02
  • Chemical industry power multi-generation energy resource system and method for separating C02
  • Chemical industry power multi-generation energy resource system and method for separating C02

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Embodiment Construction

[0067] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0068] like figure 1 as shown, figure 1 Schematic diagram of the structure of the chemical power polygeneration energy system provided by the present invention, the system includes a synthesis gas preparation unit 1, a synthesis gas sensible heat recovery and purification unit 2, a chemical synthesis unit 3, a fuel gas decarbonization unit 4, and a power generation unit 5. Flash evaporator 6 and rectification tower 7.

[0069] Among them, the synthesis gas preparation unit 1 is used to make carbon-rich raw materials into gas containing CO and H 2 The crude synthesis gas is output to the synthesis gas sensible heat recovery and purification unit 2. Syngas sensible heat recovery and purification unit 2 is used to lower t...

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Abstract

The invention relates to the technical field of energy and environment and discloses a chemical engineering power multi-generation energy system and a method. Crude synthesis gas produced by carbon-rich raw material firstly enters a chemical engineering production flow, the synthesis gas can not carry out water-gas shift reaction to reduce the proportion of CO / H2, temperature reduction and purification are carried out for direct chemical engineering synthesis, the product of synthetic reaction is separated into unreacted gas and crude products by flash evaporation process, part of the unreacted gas circulates and carries out synthetic reaction again, while the other part of the unreacted gas carries out water-gas shift reaction and a CO2 separating unit for decarburization, the synthesis gas after decarburization is taken as fuel gas to be sent to a combined cycle power system for power generation. By adopting the invention, under the promise of ensuring that the active ingredient of new synthesis gas is fully transformed into chemical products, the energy utilization situation of the system can be improved; meanwhile, by adopting the way of separating CO2 after chemical engineering synthetic reaction, the energy consumption for separating CO2 can be lowered and the problem of the efficiency reduction of the energy system can be solved.

Description

technical field [0001] The invention relates to the technical field of energy and environment, in particular to a method for producing alternative fuels (chemical products) and electricity by utilizing carbon-rich raw materials, and recovering CO at the same time 2 Chemical power polygeneration energy system and method. Background technique [0002] Energy development and utilization technologies based on fossil energy have played a key role in promoting the survival and development of human society. However, humans have also paid a heavy price for the use of energy: the greenhouse effect caused by greenhouse gas emissions will lead to a series of serious consequences such as increased pests and diseases, sea level rise, climate anomalies, increased ocean storms, land drought, and increased desertification. [0003] my country is located in an ecologically fragile area at mid-latitudes, and is extremely vulnerable to the adverse effects of climate change. Moreover, the long...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/02
Inventor 金红光郑丹星高林韩巍
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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