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

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...

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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

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