CN114221445A - 一种波浪发电能量存储系统及运行该系统的能量存储方法 - Google Patents

一种波浪发电能量存储系统及运行该系统的能量存储方法 Download PDF

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CN114221445A
CN114221445A CN202111421372.8A CN202111421372A CN114221445A CN 114221445 A CN114221445 A CN 114221445A CN 202111421372 A CN202111421372 A CN 202111421372A CN 114221445 A CN114221445 A CN 114221445A
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ammonia
power
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wave
nitrogen
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陈晨
林良锐
王俊祺
林子涵
邱惠翀
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Zhejiang University of Technology ZJUT
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Abstract

一种波浪发电能量存储系统及运行该系统的能量存储方法，属于波浪能储能技术领域。它包括波浪发电系统、制氢系统、制氮系统、制氨系统及燃料电池发电系统，波浪发电系统分别与制氢系统、制氮系统制氨系统电路连接，制氢系统、制氮系统分别与制氨系统之间通过管路连通，制氨系统与燃料电池发电系统相连通。本发明系统利用海洋中的波浪及风能发电，将电力进行电解水制氢、变压吸附制氮，并将制得的氢气和氨气合成制备成氨气，把氨气储存起来，并能够通过设置的燃料电池发电系统将储存的氨气转换成电力，解决了波浪能难以储存以及利用率低的问题；同时电解水过程中产生高纯度的氧气，也可以存储起来，用于工业应用，降低经济损失。

Description

一种波浪发电能量存储系统及运行该系统的能量存储方法
技术领域
本发明属于波浪能储能技术领域，具体涉及一种波浪发电能量存储系统及运行该系统的能量存储方法。
背景技术
由于温室效应的不断积累导致全球在逐渐变暖。“碳”是石油、煤炭、木材等由碳元素构成的自然资源。“碳”耗用得多，导致地球暖化的元凶“二氧化碳”也制造得多。全球变暖也在改变着人们的生活方式，带来越来越多的问题，如海平面上升等。导致全球变暖的“罪魁祸首”就是不断排放的二氧化碳等温室气体。所以减少碳的排放，发展低碳或者无碳的新能源显得越来越重要。
波浪能发电作为一种新能源，目前大部分的波浪发电设备都安放海岸上，而在波浪能十分丰富的远洋却很少安装。其根源就是将电力运回城市需要铺设长长的电缆。同时铺设电缆将意味着波浪发电装置必须固定。而深海的波浪十分不稳定，要求波浪发电设备最好能够移动，不断寻找海浪丰富的海域进行能量吸收。
发明内容
针对现有技术中存在的上述问题，本发明的目的在于提供一种能够将海洋的风能及波浪能转换制备成氨气进行储存，实现能量存储的波浪发电能量存储系统及运行该系统的能量存储方法。
本发明提供如下技术方案：一种波浪发电能量存储系统，包括波浪发电系统、制氢系统、制氮系统、制氨系统及燃料电池发电系统，所述波浪发电系统分别与制氢系统、制氮系统制氨系统电路连接，所述制氢系统、制氮系统分别与制氨系统之间通过管路连通，所述制氨系统与燃料电池发电系统相连通。
优选的，所述波浪发电系统包括风力发电机及浮子式波浪发电器，风力发电机的输出端与浮子式波浪发电器的输出端电路连接整合形成一个电力输出端。
优选的，所述制氢系统包括依次连接的海水淡化装置、蓄水器及SOEC电解池堆，所述SOEC电解池堆与波浪发电系统的电力输出端电路连接。
优选的，所述制氮系统包括依次连接的空气压缩机、空气储存罐及变压吸附制氮装置，所述变压吸附制氮装置与波浪发电系统的电力输出端电路连接。
优选的，所述制氨系统包括制氨装置及储氨设备，所述制氨装置与SOEC电解池堆、变压吸附制氮装置之间分别通过管路相连通。
优选的，所述储氨设备与燃料电池发电系统通过管路相连通，所述燃料电池发电系统包括一组氨燃料电池。
优选的，所述燃料电池发电系统与空气储存罐通过管路相连通。
一种波浪发电能量存储系统的能量储存方法，包括以下步骤：
步骤1、风力发电机及浮子式波浪发电器分别将海洋中的风能及波浪转化为电力，并整合后输送到SOEC电解池堆、变压吸附制氮装置及制氨装置；
步骤2、将海水注入海水淡化装置中进行淡化处理，将淡化处理后的海水注入蓄水器中，然后将蓄水器中的海水引入SOEC电解池堆中进行电解，电解后产生的氢气输入到制氨装置中；
步骤3、步骤2操作的同时，往空气压缩机中通入空气进行压缩，压缩后的空气进入空气储存罐中，然后将空气储存罐中的空气引入变压吸附制氮装置进行氮气制备，并将制得的氮气输入到制氨装置中与步骤2）输入的氢气混合，进行氨气制备；
步骤4、将制得的氨气输入到储氨设备中进行储存，当需要使用电力时，将储氨设备中的氨气输入到燃料电池发电系统中，经由氨燃料电池进行发电即可，氨燃料电池发电时产生的氮气转入空气储存罐中进行储存。
通过采用上述技术，与现有技术相比，本发明的有益效果如下：
本发明系统利用海洋中的波浪及风能发电，将电力进行电解水制氢、变压吸附制氮，并将制得的氢气和氨气合成制备成氨气，把氨气储存起来，并能够通过设置的燃料电池发电系统将储存的氨气转换成电力，解决了波浪能难以储存以及利用率低的问题；同时电解水过程中产生高纯度的氧气，也可以存储起来，用于工业应用，降低经济损失。
附图说明
图1为本发明系统的连接示意图。
图中：a1、海水淡化装置；a2、蓄水器；a3、SOEC电解池堆；a4、空气压缩机；a5、空气储存罐；a6、变压吸附制氮装置；1、风力发电机；2、浮子式波浪发电器；3、制氨装置；4、储氨设备；5、氨燃料电池。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合说明书附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
相反，本发明涵盖任何由权利要求定义的在本发明的精髓和范围上做的替代、修改、等效方法以及方案。进一步，为了使公众对本发明有更好的了解，在下文对本发明的细节描述中，详尽描述了一些特定的细节部分。对本领域技术人员来说没有这些细节部分的描述也可以完全理解本发明。
请参阅图1，一种波浪发电能量存储系统，包括波浪发电系统、制氢系统、制氮系统、制氨系统及燃料电池发电系统。
具体的，波浪发电系统包括风力发电机1及浮子式波浪发电器2，风力发电机1用以将海洋的风能转化为电力；浮子式波浪发电器2用以将海洋的波浪能转化为电力；风力发电机1的电力与浮子式波浪发电器2的电力整合在一起形成一个电力输出端。
具体的，制氢系统用于制取氢气，其包括海水淡化装置a1、蓄水器a2及SOEC电解池堆a3，海水淡化装置a1进口端与外部的海水输入管路相连通，出口端与蓄水器a2进口端通过管路相连通；蓄水器a2的出口端与SOEC电解池堆a3通过管路相连通；SOEC电解池堆a3通过管路与制氨系统相连通，并通过电路与波浪发电系统的电力输出端相连接；SOEC电解池堆a3制取氢气的同时产生高纯度的氧气，可以存储起来，用于工业应用，降低经济损失。
具体的，制氮系统用于制取氮气，其包括空气压缩机a4、空气储存罐a5及变压吸附制氮装置a6；空气压缩机a4进口端与外部空气输送管路连通，出口端与空气储存罐a5第一进口端通过管路连通，空气储存罐a5的出口端与变压吸附制氮装置a6通过管路连通，变压吸附制氮装置a6通过管路与制氨系统相连通，并通过电路与波浪发电系统的电力输出端相连接。
具体的，制氨系统用于制取氨气，其包括制氨装置3及储氨设备4，制氨装置3的进口端通过管路分别与SOEC电解池堆a3、变压吸附制氮装置a6连通；制氨装置3的出口段通过管路与储氨设备4的进口端连通，储氨设备4的出口段通过管路与燃料电池发电系统连通。
具体的，燃料电池发电系统有一组氨燃料电池5叠加组成，燃料电池发电系统通过管路与空气储存罐a5连通。
运行本实施例系统的能量储存方法，其具体步骤如下：
步骤1、风力发电机1及浮子式波浪发电器2分别将海洋中的风能及波浪转化为电力，并整合后输送到SOEC电解池堆a3、变压吸附制氮装置a6及制氨装置3，为制氢系统、制氮系统、制氨系统提供电力；
步骤2、将海水注入海水淡化装置a1中进行淡化处理，将淡化处理后的海水注入蓄水器a2中，然后将蓄水器a2中的海水引入SOEC电解池堆a3中进行电解，电解后产生的氢气输入到制氨装置3中；
步骤3、步骤2操作的同时，往空气压缩机a4中通入空气进行压缩，压缩后的空气进入空气储存罐a5中，然后将空气储存罐a5中的空气引入变压吸附制氮装置a6进行氮气制备，并将制得的氮气输入到制氨装置3中与步骤2输入的氢气混合，进行氨气制备；
步骤4、将制得的氨气输入到储氨设备4中进行储存，当需要使用电力时，将储氨设备4中的氨气输入到燃料电池发电系统中，经由氨燃料电池5进行发电即可，氨燃料电池5发电时产生的氮气转入空气储存罐a5中进行储存。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (8)

1.一种波浪发电能量存储系统，其特征在于：包括波浪发电系统、制氢系统、制氮系统、制氨系统及燃料电池发电系统，所述波浪发电系统分别与制氢系统、制氮系统制氨系统电路连接，所述制氢系统、制氮系统分别与制氨系统之间通过管路连通，所述制氨系统与燃料电池发电系统相连通。
2.根据权利要求1所述的一种波浪发电能量存储系统，其特征在于所述波浪发电系统包括风力发电机（1）及浮子式波浪发电器（2），风力发电机（1）的输出端与浮子式波浪发电器（2）的输出端电路连接整合形成一个电力输出端。
3.根据权利要求2所述的一种波浪发电能量存储系统，其特征在于所述制氢系统包括依次连接的海水淡化装置（a1）、蓄水器（a2）及SOEC电解池堆（a3），所述SOEC电解池堆（a3）与波浪发电系统的电力输出端电路连接。
4.根据权利要求3所述的一种波浪发电能量存储系统，其特征在于所述制氮系统包括依次连接的空气压缩机（a4）、空气储存罐（a5）及变压吸附制氮装置（a6），所述变压吸附制氮装置（a6）与波浪发电系统的电力输出端电路连接。
5.根据权利要求4所述的一种波浪发电能量存储系统，其特征在于所述制氨系统包括制氨装置（3）及储氨设备（4），所述制氨装置（3）与SOEC电解池堆（a3）、变压吸附制氮装置（a6）之间分别通过管路相连通。
6.根据权利要求5所述的一种波浪发电能量存储系统，其特征在于所述储氨设备（4）与燃料电池发电系统通过管路相连通，所述燃料电池发电系统包括一组氨燃料电池（5）。
7.根据权利要求6所述的一种波浪发电能量存储系统，其特征在于所述燃料电池发电系统与空气储存罐（a5）通过管路相连通。
8.根据权利要求1-7任一所述的一种波浪发电能量存储系统的能量储存方法，其特征在于包括以下步骤：
步骤1、风力发电机（1）及浮子式波浪发电器（2）分别将海洋中的风能及波浪转化为电力，并整合后输送到SOEC电解池堆（a3）、变压吸附制氮装置（a6）及制氨装置（3）；
步骤2、将海水注入海水淡化装置（a1）中进行淡化处理，将淡化处理后的海水注入蓄水器（a2）中，然后将蓄水器（a2）中的海水引入SOEC电解池堆（a3）中进行电解，电解后产生的氢气输入到制氨装置（3）中；
步骤3、步骤2操作的同时，往空气压缩机（a4）中通入空气进行压缩，压缩后的空气进入空气储存罐（a5）中，然后将空气储存罐（a5）中的空气引入变压吸附制氮装置（a6）进行氮气制备，并将制得的氮气输入到制氨装置（3）中与步骤2）输入的氢气混合，进行氨气制备；
步骤4、将制得的氨气输入到储氨设备（4）中进行储存，当需要使用电力时，将储氨设备（4）中的氨气输入到燃料电池发电系统中，经由氨燃料电池（5）进行发电即可，氨燃料电池（5）发电时产生的氮气转入空气储存罐（a5）中进行储存。
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