Method suitable for carbon dioxide cycle power generation in rural area by taking biomass as energy source

A cyclic power generation, carbon dioxide technology, applied in the direction of machines/engines, steam engine devices, mechanical equipment, etc., can solve problems such as mismatches, and achieve the effects of fast energy storage, stable operating conditions, power output, and high efficiency

Active Publication Date: 2017-06-20
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 suitable for carbon dioxide cycle power generation in rural area by taking biomass as energy source
  • Method suitable for carbon dioxide cycle power generation in rural area by taking biomass as energy source
  • Method suitable for carbon dioxide cycle power generation in rural area by taking biomass as energy source

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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

The invention relates to a method suitable for carbon dioxide cycle power generation in a rural area by taking biomass as an energy source. By taking CO2 as a working medium, biomass energy is converted into a high pressure thermal state supercritical CO2 fluid which is high in energy accumulating density by means of a CO2 energy accumulating device of a biomass furnace, and the high pressure thermal state supercritical CO2 fluid is adjusted to an isobaric thermal state supercritical CO2 fluid through a stable current regulator for a turbine motor / a piston expander to do work to drive a generator to generate electricity. The method mainly comprises the following steps: (1) CO2 storage and transportation; (2) CO2 energy accumulation; (3) supercritical CO2 fluid tempering and power generation; and (4) CO2 cycle and back heat utilization. The method provided by the invention has the advantages of taking massive regenerable biomass resources in wide rural areas nearby as a low carbon energy source and being low in investment, stable to operate, low in self energy consumption, low in operating 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 Applications(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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