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Purifying agent for a supercritical carbon dioxide cycle power generation system

A carbon dioxide and cyclic power generation technology, applied in the production of inorganic chemistry, carbon compounds, bulk chemicals, etc., can solve the problems of increasing the purity of supercritical carbon dioxide in the circulating system, corrosion, low performance of metal materials in the cyclic power generation system, etc., to improve safety and economy. Operation level, low economic cost, and the effect of improving power generation efficiency

Active Publication Date: 2022-05-10
河北建投能源科学技术研究院有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved in the present invention is to provide a purifying agent for a supercritical carbon dioxide cycle power generation system to solve the problems of low performance and serious corrosion of metal materials in the cycle power generation system, to reduce impurities such as water vapor and hydrogen sulfide generated in the system, and increase Circulation system supercritical carbon dioxide purity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A purifying agent for a supercritical carbon dioxide cycle power generation system, comprising the following components in parts by weight: 50 parts of formamide, 10 parts of propynyl alcohol, 10 parts of imidazoline, polydimethylsiloxane-b-polymethacrylic acid 5 parts, 2 parts of xylene, 1 part of trimethylbenzene, 5 parts of sodium polymethacrylate.

[0027] The specific usage method of the supercritical carbon dioxide cycle power generation system purifying agent of the present invention mainly includes the steps of preparing the purifying agent, slowly feeding the medicine, and alkalizing the reaction, and the specific operation method is as follows:

[0028] S1. Preparation of purifying agent: Calculate according to the volume of the entire supercritical carbon dioxide cycle power generation system, so that the concentration of the configured purifying agent in the cycle power generation system is 1.0%, and obtain the required quality of the purifying agent. Then d...

Embodiment 2

[0032] A supercritical carbon dioxide cycle power generation system purification agent, including the following components in parts by weight: 55 parts of acetamide, 6 parts of propynyl alcohol, 7 parts of butynyl alcohol, 12 parts of imidazoline, polydimethylsiloxane- b- 10 parts of polymethyl methacrylate, 3 parts of xylene, 2 parts of trimethylbenzene, 4 parts of sodium polymethacrylate.

[0033] The specific usage method of the supercritical carbon dioxide cycle power generation system purifying agent of the present invention mainly includes the steps of preparing the purifying agent, slowly feeding the medicine, and alkalizing the reaction, and the specific operation method is as follows:

[0034] S1. Preparation of purifying agent: Calculate according to the volume of the entire supercritical carbon dioxide cycle power generation system, so that the concentration of the configured purifying agent in the cycle power generation system is 1.5%, and obtain the required qualit...

Embodiment 3

[0038] A purifying agent for a supercritical carbon dioxide cycle power generation system, comprising the following components in parts by weight: 60 parts of carbonamide, 15 parts of propynyl alcohol, 15 parts of imidazoline, polydimethylsiloxane-b-polymethacrylic acid 2 parts, 3 parts of polydimethylsiloxane-b-polymethyl methacrylate, 4 parts of trimethylbenzene, 4 parts of sodium polymethacrylate.

[0039]The specific usage method of the supercritical carbon dioxide cycle power generation system purifying agent of the present invention mainly includes the steps of preparing the purifying agent, slowly feeding the medicine, and alkalizing the reaction, and the specific operation method is as follows:

[0040] S1. Preparation of purifying agent: Calculate according to the volume of the entire supercritical carbon dioxide cycle power generation system, so that the concentration of the configured purifying agent in the cycle power generation system reaches 1.1%, and obtain the q...

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PUM

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Abstract

The invention discloses a purifying agent for a supercritical carbon dioxide cycle power generation system, which comprises the following components in parts by weight: 50.0-60.0 parts of an organic alkalization agent, 20.0-25.0 parts of a corrosion inhibitor, 5.0-10.0 parts of a surfactant, a dehydrating 3.0-5.0 parts of the agent, 3.0-5.0 parts of the dispersant; the operation steps of the present invention in actual use include the steps of preparing the purifying agent, feeding the medicine at a slow speed, and basifying the reaction. The purifying agent of the present invention has the advantages of simple operation, high purification efficiency, low economic cost, non-shutdown dosing, etc. It can not only greatly increase the purity of supercritical carbon dioxide in the circulation system, promote the fluency of the carbon dioxide working medium in the system, and reduce its The circulation resistance in the circulation system can also greatly improve the thermal efficiency of the circulation power generation system, achieve energy saving and consumption reduction, and effectively improve the safe and economical operation level of the supercritical carbon dioxide circulation power generation system.

Description

technical field [0001] The invention relates to the technical field, and more specifically relates to a purifying agent for a supercritical carbon dioxide cycle power generation system. Background technique [0002] As one of the typical thermodynamic cycles using gas as the working medium, the Brayton cycle realizes efficient energy conversion through four processes of isentropic compression, isobaric heat absorption, isentropic expansion and isobaric cooling. Compared with the traditional steam Rankine cycle, the Brayton cycle has a higher cycle efficiency, and when the working fluid is in a supercritical state, it avoids the change of the phase state of the working fluid and reduces the consumption of compression work. Its cycle Efficiency can be greatly improved. Due to its high thermal efficiency, the Brayton cycle is widely used in the field of thermal power generation. The supercritical carbon dioxide Brayton cycle uses supercritical carbon dioxide as a circulating ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G1/26C23G1/18C01B32/50
CPCC23G1/26C23G1/18C01B32/50Y02P20/54C23F11/10
Inventor 杨传
Owner 河北建投能源科学技术研究院有限公司
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