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MW (megawatt) grade cogeneration fuel cell power station

A fuel cell and combined heat and power technology, applied in fuel cells, fuel cell additives, circuits, etc., can solve the lack of systematic water resources management, lack of waste heat utilization, and inability to adapt to MW-level combined heat and power fuel cell power station projects Application and other issues to achieve the effect of reducing gas supply costs, reducing overall costs, and improving gas supply quality

Active Publication Date: 2022-01-04
SHANGHAI MICROPOWERS +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005]1. Lack of systematic waste heat utilization between modules;
[0006]2. Lack of systematic water resource management between modules;
[0007]3. The supply of hydrogen in the form of gas storage tanks cannot adapt to the engineering application of MW-level combined heat and power fuel cell power plants

Method used

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  • MW (megawatt) grade cogeneration fuel cell power station
  • MW (megawatt) grade cogeneration fuel cell power station
  • MW (megawatt) grade cogeneration fuel cell power station

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Embodiment 1: A MW-level combined heat and power fuel cell power station.

[0061] like figure 1 As shown, the MW-level combined heat and power fuel cell power plant of this embodiment includes a fuel cell system 1 , a hydrogen system 2 , an air system 3 , a grid-connected system 4 , a monitoring system 5 , a waste heat utilization system 6 and a water treatment system 7 . Hydrogen system 2 adopts methanol reforming hydrogen production technology to provide high-purity hydrogen for fuel cell system 1; air system 3 provides air or oxygen for fuel cell system 1 and hydrogen system 2, which is used to provide the air side reaction of fuel cell system 1 Gas, providing high-pressure gas for the high-pressure catalytic combustion reaction of the hydrogen system; the grid-connected system 4 is used to transmit electric energy to the grid, and the monitoring system 5 is used to monitor and control the operating parameters of the power station; the waste heat utilization system ...

Embodiment 2

[0086] Embodiment 2: A MW-level combined heat and power fuel cell power station.

[0087] The difference between this embodiment and Embodiment 1 is, as Figure 9 As shown, multiple heat exchangers are connected in series-parallel combination. Specifically, after the first heat exchanger 111 and the second heat exchanger 115 of the fuel cell system 1 are connected in parallel, they are sequentially connected with the fifth heat exchanger 309 and the first cooler 304 of the air system 3 and the fourth heat exchanger 304 of the hydrogen system 2. The heat exchanger 205 is connected in series to the hot-side pipeline 603 and the cold-side pipeline 602 . The above connection mode is designed according to the working temperature of the system where each heat exchanger is located, that is, the circulating water flows through the first heat exchanger 111 and the second heat exchanger 115 with a temperature of about 80°C on the hot side to cool the electric stack 101, and then flows ...

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Abstract

The invention provides an MW-level combined heat and power fuel cell power station, which comprises a fuel cell system, a hydrogen system, an air system, a grid-connected system and a monitoring system, and is characterized in that the hydrogen system adopts a reforming hydrogen production technology and provides high-purity hydrogen for the fuel cell system; the air system provides air or oxygen for the fuel cell system and the hydrogen system; the grid-connected system is used for transmitting electric energy to a power grid, and the monitoring system is used for monitoring and controlling operation parameters of the power station. The power station further comprises a waste heat utilization system used for recycling waste heat generated by the fuel cell system, the air system and the hydrogen system, providing a heating function for the air system and the hydrogen system and providing hot water for a hot water user. The water treatment system is used for recycling condensate water or reaction water and providing deionized water for the fuel cell system, the hydrogen system, the air system and the waste heat utilization system. The process flow is optimized, the energy utilization rate is increased, and zero water consumption can be realized during operation.

Description

technical field [0001] The present application relates to the technical field of fuel cell power plants, in particular to a MW-level cogeneration fuel cell power plant. Background technique [0002] Due to the high energy conversion rate, the fuel cell is not limited by the Carnot cycle, it is environmentally friendly, the main product is water, there are basically no moving parts, low vibration and noise, and fast start-up speed. It has been used in vehicle power and marine power. , distributed energy power stations and other fields. With the continuous improvement of its economy, it is more and more suitable for combined heat and power supply in industrial parks and residential quarters. [0003] Proton exchange membrane fuel cells are used in fuel cell power stations, and the hydrogen system and air system are quite different from vehicle fuel cells. For the hydrogen system, the hydrogen consumption of fuel cell power plants is large, and the high-pressure hydrogen stor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/0612H01M8/04082H02J3/38F24D15/00
CPCH01M8/0618H01M8/04201H02J3/381F24D15/00H02J2300/30Y02E60/50
Inventor 杜忠选张林石汪权杨振威邓笔财刘丰高阳吴伟炯唐志雄李启玉
Owner SHANGHAI MICROPOWERS
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