Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A high-temperature solid oxide water electrolysis hydrogen production system and process coupled with solar amino thermochemical energy storage and Karina cycle

A technology of solar energy ammonia and Karina cycle, which is applied in the direction of solar heating system, solar thermal energy, solar thermal power generation, etc., can solve the problems of increased cost, intermittent instability, and large installed capacity, so as to reduce the cost of hydrogen production and couple The system is simple and miniaturized, and the effect of reducing energy storage loss

Active Publication Date: 2022-04-29
ZHEJIANG UNIV OF TECH
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although solar photovoltaic electrolyzed water can achieve a solar hydrogen production efficiency of more than 30%, it has intermittent and unstable defects, which make the installed capacity greater than the actual operating power and increase the cost.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A high-temperature solid oxide water electrolysis hydrogen production system and process coupled with solar amino thermochemical energy storage and Karina cycle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The solar radiation intensity is 1000W / m 2 , the concentration ratio is 200, reflected by the heliostat field 1 to the endothermic reactor 2 (inner diameter 6.2mm, outer diameter 8.7mm, length 1220mm, the reactor material is made of Inconel625, and the reactor is filled with nickel-based catalyst particles, the diameter of the catalyst particles is 0.4-0.6mm), so that the endothermic reactor 2 reaches 800°C, first, the liquid ammonia at 25°C and 30MPa flows out from the liquid outlet at the bottom of the normal temperature pressure storage tank 4, and enters the first heat exchanger 3 Heat exchange and raise the temperature to 400°C, and then flow into endothermic reactor 2 for ammonia decomposition reaction (2NH 3 →3H 2 +N 2 ), the resulting syngas (H 2 +N 2 ) flows out from the outlet and enters the first heat exchanger 3, the heat exchange temperature is 28°C, and then enters the normal temperature and pressure storage tank 4 through the bottom air inlet and is s...

Embodiment 2

[0032] The solar radiation intensity is 1000W / m 2 , the concentration ratio is 200, reflected by the heliostat field 1 to the endothermic reactor 2 (inner diameter 6.2mm, outer diameter 8.7mm, length 1220mm, the reactor material is made of Inconel625, and the reactor is filled with nickel-based catalyst particles, the diameter of the catalyst particles is 0.4-0.6mm), so that the endothermic reactor reaches 800 °C. First, liquid ammonia at 25°C and 30MPa flows out from the liquid outlet at the bottom of the normal-temperature pressure storage tank 4, enters the first heat exchanger 3 for heat exchange and raises the temperature to 400°C, and then flows into the endothermic reactor 2 to undergo ammonia decomposition reaction (2NH 3 →3H 2 +N 2 ), the resulting syngas (H 2 +N 2 ) flows out from the outlet and enters the first heat exchanger 3 with a heat exchange temperature of 28°C, and then enters the normal temperature and pressure storage tank 4 through the bottom air inle...

Embodiment 3

[0036] The solar radiation intensity is 1000W / m 2 , the concentration ratio is 200, reflected by the heliostat field 1 to the endothermic reactor 2 (inner diameter 6.2mm, outer diameter 8.7mm, length 1220mm, the reactor material is made of Inconel625, and the reactor is filled with nickel-based catalyst particles, the diameter of the catalyst particles is 0.4-0.6mm), so that the endothermic reactor reaches 800 °C. First, liquid ammonia at 25°C and 30MPa flows out from the liquid outlet at the bottom of the normal-temperature pressure storage tank 4, enters the first heat exchanger 3 for heat exchange and raises the temperature to 400°C, and then flows into the endothermic reactor 2 to undergo ammonia decomposition reaction (2NH 3 →3H 2 +N 2 ), the resulting syngas (H 2 +N 2 ) flows out from the outlet and enters the first heat exchanger 3 with a heat exchange temperature of 26°C, and then enters the normal temperature and pressure storage tank 4 through the bottom air inle...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
lengthaaaaaaaaaa
Login to View More

Abstract

The invention discloses a high-temperature solid oxide water electrolysis hydrogen production system and process coupled with solar amino thermochemical energy storage and Karina cycle, the system includes amino thermochemical energy system, Karina cycle system and high-temperature solid oxidation Water electrolysis hydrogen production system, the amino thermochemical energy system and the high temperature solid oxide water electrolysis hydrogen production system realize heat exchange connection through the sixth heat exchanger, the third heat exchanger and the seventh heat exchanger, the amino thermochemical The heat exchange connection between the energy system and the Kalina cycle system is realized through the fifth heat exchanger, and the Kalina cycle system is connected with the high-temperature solid oxide water electrolysis hydrogen production system to provide raw materials for the high-temperature solid oxide water electrolysis hydrogen production system. The present invention can reduce the cost of concentrating and heat collection, reduce the loss of energy storage, and improve the cycle efficiency of power generation and the hydrogen production efficiency of electrolyzed water by reducing the energy absorption grade, storing at normal temperature, and improving the energy release grade.

Description

technical field [0001] The invention belongs to the technical field of hydrogen production by electrolysis of water by solar energy, and specifically relates to a high-temperature solid oxide electrolysis water hydrogen production system coupled with solar amino thermochemical energy storage and Karina cycle and its technology. Background technique [0002] As the largest renewable energy source, solar energy can reduce human dependence on fossil energy and carbon emissions. In order to overcome the lack of intermittent solar energy, solar energy can be stored in fuels, such as hydrogen, methanol and other transportable energy carriers. Among them, hydrogen has the advantages of high energy density and no pollution, and is considered to be one of the best secondary energy sources. one. Therefore, solar hydrogen production is one of the important solutions to achieve carbon neutrality as soon as possible. [0003] Since the condensation pressure of ammonia water vapor is mu...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C25B1/042C25B15/08C25B15/00F24S23/70F24S60/20F24S10/30F03G6/06F01K21/04F01D15/10
CPCC25B1/042C25B15/08C25B15/083C25B15/00F24S23/70F24S60/20F24S10/30F03G6/06F01K21/04F01D15/10Y02P20/133Y02E60/36Y02E10/44Y02E10/46
Inventor 陈晨赵建国夏起冯帅明孔明民钱挺杜伟何兴
Owner ZHEJIANG UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com