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System for generating hydrogen through high-temperature solid electrolytic tank by means of thermal power plant peak load regulation electricity

A high-temperature solid and hydrogen production system technology, applied in the electrolysis process, electrolysis components, electrodes, etc., can solve the problems of inability to produce large-scale production, and achieve the effects of improving hydrogen production efficiency, increasing operating benefits, and expanding living space

Inactive Publication Date: 2017-08-11
HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these existing inventions and technologies do not combine the electrolytic hydrogen production system with the flexible peak shaving and steam systems of thermal power plants, and the produced hydrogen is only compressed and transported in steel cylinders, which cannot be produced on a large scale

Method used

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  • System for generating hydrogen through high-temperature solid electrolytic tank by means of thermal power plant peak load regulation electricity

Examples

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Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 As shown, a system for producing hydrogen through a high-temperature solid electrolytic cell using the peak-shaving power of a thermal power plant includes a power grid peak-shaving control system 5, a power transmission and transformation system and an electrolytic cell power supply system, a high-temperature solid electrolytic cell hydrogen production system, and a high-temperature steam electrolytic cell Supply system, hydrogen collection and purification and external transportation system, the power transmission and transformation and electrolytic cell power supply system is to add a new interval on the outgoing bus of the power plant, and an electric switch 9 is set in the interval, and the electric switch 9 is connected to the power transmission system. The step-down transformer on the power grid is connected to the inverter 15, and the other end of the step-down transformer and the inverter 15 is connected to the hydrogen production system of the ...

Embodiment 2

[0053] Example 2 is similar to Example 1, except that the preferred high-temperature solid oxide electrolytic hydrogen production device in this example includes a high-temperature solid oxide hydrogen-oxygen separation electrolyzer, a hydrogen scrubbing tank, a dehydration tank, and an oxygen scrubbing tank. The high-temperature solid oxide hydrogen-oxygen separation electrolyzer is a flat-plate SOEC electrolyzer, with a dense electrolyte layer in the middle and porous hydrogen electrodes and oxygen electrodes on both sides. The main function of the electrolyte layer is to separate oxygen and fuel gas, and to conduct oxygen. ions or protons. The electrolyte is dense and has high ionic conductivity. Electrodes are generally porous structures to facilitate the diffusion and transport of gases. In addition, the planar SOEC is also provided with a sealing material, and a stack of multiple single electrolytic cells is also provided with a connector material. The high-temperature...

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Abstract

The invention provides a system for generating hydrogen through a high-temperature solid electrolytic tank by means of thermal power plant peak load regulation electricity. The system for generating the hydrogen through the high-temperature solid electrolytic tank by means of the thermal power plant peak load regulation electricity comprises a power grid peak load regulation control system, a power transmission and distribution and electrolytic tank power supply system, a high-temperature solid electrolytic tank hydrogen generating system, an electrolytic tank high-temperature steam supplying system and a hydrogen collecting, purifying and outward transmission system. The power transmission and distribution and electrolytic tank power supply system is a newly added interval on an outgoing bus of a power plant. An electric switch is arranged on the interval. The electric switch is connected with a step-down transformer and an inverter on a power transmission network. The other end of the step-down transformer and the other end of the inverter are connected with the high-temperature solid electrolytic tank hydrogen generating system. In the electrolytic tank high-temperature steam supplying system, a power plant main steam bypass guides out high-temperature steam, and the high-temperature steam is supplied to the electrolytic tank. By the adoption of the system for generating the hydrogen through the high-temperature solid electrolytic tank by means of the thermal power plant peak load regulation electricity, electrolysis hydrogen generation is conducted through the thermal power plant peak load regulation electricity, the main steam of the power plant is guided out, electrically overheated and then conveyed into the electrolytic tank, the hydrogen generation efficiency of the solid electrolytic tank is improved, the peak load regulation electricity of the power plant is greatly utilized, and a valuable peak load regulation load is provided for the power plant.

Description

technical field [0001] The invention relates to the fields of hydrogen production and power peak regulation, in particular to the fields of electrolytic hydrogen production and flexible peak regulation of thermal power plants. Background technique [0002] In recent years, in China's three northern regions, the power market has ample capacity, gas turbines, pumped storage and other peak-adjustable power sources are scarce, and the contradiction between power grid peak-shaving and the flexibility of thermal power units is prominent, and the grid accommodates new energy sources such as wind power, photovoltaic power, and nuclear power. Insufficient capacity, wind abandonment phenomenon is serious. The combined heat and power units operate in the mode of "heating and power generation", and the peak regulation capacity is only about 10%. Difficulty in peak regulation has become the most prominent problem in power grid operation. At present, domestic thermal power flexible peak...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B1/04C25B9/04H02J3/00H02J3/38
CPCC25B1/04C25B9/00C25B11/04C25B9/65C25B9/73H02J3/00H02J3/38H02J3/381Y02E60/36Y02P20/129Y02P90/40
Inventor 崔华杨豫森徐波谭智陈辉展望陈超朱明志
Owner HEPU ENERGY ENVIRONMENTAL TECHNOLOGY CO LTD
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