Method for carbon dioxide cycle power generation adapted to rural areas using biomass as energy

A technology of cycle power generation and carbon dioxide, which is applied to machines/engines, steam engines, mechanical equipment, etc., can solve problems such as mismatches, and achieve the effects of fast energy storage, high efficiency, stable operating conditions and electric energy output.

Active Publication Date: 2019-01-25
长沙紫宸科技开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In summary, the existing various methods of using biomass to generate electricity and supercritical CO 2 Most of the power generation methods do not match the vast rural conditions in our country

Method used

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  • Method for carbon dioxide cycle power generation adapted to rural areas using biomass as energy
  • Method for carbon dioxide cycle power generation adapted to rural areas using biomass as energy
  • Method for carbon dioxide cycle power generation adapted to rural areas using biomass as energy

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] refer to figure 2 , a CO with 2 sets of biomass boiling furnace 2 The energy storage device is adapted to the carbon dioxide cycle power generation method using biomass as energy in the countryside, and the CO 2 As the working medium, the biomass boiling furnace CO is used 2 Energy storage device converts biomass energy into high-pressure thermal supercritical CO with high energy storage density 2 Fluid, adjusted to isobaric hot state supercritical CO by a steady flow regulator 2 The fluid is used for the piston expander to drive the generator to generate electricity, which mainly includes the following steps:

[0056] (1) CO 2 storage and delivery

[0057] Set up 1 liquid CO 2 Storage tanks store CO 2 ; Liquid CO is pumped by a high-pressure pump 2 Liquid CO in storage tanks 2 Pressure feeding into 2 sets of biomass boiling furnace CO 2 in the energy storage device;

[0058] (2) CO 2 energy storage

[0059] Send step (1) into 2 sets of biomass boiling fur...

Embodiment 2

[0065] refer to image 3 , a CO with 3 sets of biomass boiling furnace 2 The energy storage device is adapted to the carbon dioxide cycle power generation method using biomass as energy in the countryside, and the CO 2 As the working medium, the biomass boiling furnace CO is used 2 Energy storage device converts biomass energy into high-pressure thermal supercritical CO with high energy storage density 2 Fluid, adjusted to isobaric hot state supercritical CO by a steady flow regulator 2 The fluid is used for the turbine to work to drive the generator to generate electricity, which mainly includes the following steps:

[0066] (1) CO 2 storage and delivery

[0067] Set up 2 liquid CO 2 Storage tanks store CO 2 ; Separately use three high-pressure pumps to pump liquid CO 2 Liquid CO in storage tanks 2 Pressure feeding into 3 sets of biomass boiling furnace CO 2 in the energy storage device;

[0068] (2) CO 2 energy storage

[0069] Send step (1) into 3 sets of bioma...

Embodiment 3

[0075] refer to Figure 4 , a CO with 4 sets of biomass boiling furnace 2 The energy storage device is adapted to the carbon dioxide cycle power generation method using biomass as energy in the countryside, and the CO 2 As the working medium, the biomass boiling furnace CO is used 2 Energy storage device converts biomass energy into high-pressure thermal supercritical CO with high energy storage density 2 Fluid, adjusted to isobaric hot state supercritical CO by a steady flow regulator 2 The fluid is used for the turbine to work to drive the generator to generate electricity, which mainly includes the following steps:

[0076] (1) CO 2 storage and delivery

[0077] Set up 2 liquid CO 2 Storage tanks store CO 2 , at the same time, set the high-pressure pump and compressor to jointly transport; use the high-pressure pump and compressor to transport the liquid CO 2 Liquid CO in storage tanks 2 Pressure feeding into 4 sets of biomass boiling furnace CO 2 in the energy st...

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Abstract

It is suitable for the carbon dioxide cycle power generation method that uses biomass as energy in the countryside. Using CO2 as the working medium, the biomass furnace CO2 energy storage device is used to convert biomass energy into high-pressure thermal supercritical CO2 fluid with high energy storage density. The flow regulator is adjusted to isobaric hot state supercritical CO2 fluid, which is used by the turbine / piston expander to drive the generator to generate electricity. It mainly includes the following steps: (1) CO2 storage and transportation; (2) CO2 energy storage; ( 3) Supercritical CO2 fluid conditioning and power generation; (4) CO2 circulation and heat recovery. The invention has the advantages that the large amount of renewable biomass resources in the vast countryside can be utilized as low-carbon energy, and the invention has the advantages of low investment, stable operation, low self-consumption energy, low operation cost and the like.

Description

technical field [0001] The invention relates to the field of low-carbon and energy technologies, in particular to a CO 2 as working medium, suitable for CO2 using biomass as energy in rural areas 2 The method of cycle power generation. Background technique [0002] Climate change has become one of the issues that affect human survival and development, and a large amount of carbon dioxide emissions are considered to be the main cause of climate warming. As the largest developing country in the world, coal-based primary energy and firepower The secondary energy structure dominated by power generation, with the rapid growth of economic aggregate, the CO of primary energy and secondary energy 2 Emissions are characterized by rapid growth and large volumes. In response to climate change, the development of low-carbon energy, especially renewable energy and new energy, has become a consensus. Biomass power generation and supercritical carbon dioxide power generation have receive...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01K25/10F01K13/02
CPCF01K13/02F01K25/103
Inventor 尹小林
Owner 长沙紫宸科技开发有限公司
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