CN210945803U - Intelligent temperature control cooling water supply system for electrolysis hydrogen production in hydropower station - Google Patents

Abstract

Translated fromChinese

本实用新型公开了一种水电站电解制氢智能温控冷却供水系统，包括设置于水轮发电机组的压力钢管上的取水口，取水口通过供水总管与电解制氢装置冷却器的供水支路连通，电解制氢装置冷却器的回水支路通过回水总管与水轮发电机组的尾水管连通，电解制氢装置冷却器的每一条供水支路上设置有流量调节阀、进口端温度传感器、出口端温度传感器，流量调节阀、进口端温度传感器、出口端温度传感器均与智能温控调节装置电连接。本实用新型能够提高水电站水资源利用率及发电潜能，减小汛期弃水，同时利用产生的电能电解水产生氢气和氧气，增加了水电站的产能和经济效益。

The utility model discloses an intelligent temperature-controlled cooling water supply system for electrolysis hydrogen production in a hydropower station, which comprises a water intake which is arranged on a pressure steel pipe of a hydroelectric generator set, and the water intake communicates with a water supply branch of a cooler of an electrolysis hydrogen production device through a water supply main pipe , the return water branch of the cooler of the electrolytic hydrogen production device is connected with the draft pipe of the hydro-generator unit through the return water main pipe, and each water supply branch of the cooler of the electrolytic hydrogen production device is provided with a flow control valve, an inlet temperature sensor, an outlet The end temperature sensor, the flow regulating valve, the inlet end temperature sensor and the outlet end temperature sensor are all electrically connected with the intelligent temperature control and adjustment device. The utility model can improve the utilization rate of water resources and the power generation potential of the hydropower station, reduce the waste water in flood season, and at the same time utilize the generated electric energy to electrolyze the water to generate hydrogen and oxygen, thereby increasing the production capacity and economic benefit of the hydropower station.

Description

Translated fromChinese

水电站电解制氢智能温控冷却供水系统Intelligent temperature control cooling water supply system for electrolysis hydrogen production in hydropower station

技术领域technical field

本实用新型涉及水利水电工程技术领域，具体地指一种水电站电解制氢智能温控冷却供水系统。The utility model relates to the technical field of water conservancy and hydropower engineering, in particular to an intelligent temperature-controlled cooling water supply system for electrolysis hydrogen production in a hydropower station.

背景技术Background technique

我国水资源丰富，水电建设取得了举世瞩目的成就，其经济和社会效益显著，但也存在着一些不容忽视的问题。如部分水电站送电区域用电负荷与自然径流不协调，电站汛期弃水现象严重，据不完全估算，到2020年，四川弃水电量将达350亿千瓦时，四川水电面临巨大的消纳压力。my country is rich in water resources, and hydropower construction has achieved remarkable achievements in the world. Its economic and social benefits are remarkable, but there are also some problems that cannot be ignored. For example, the electricity load in the power transmission areas of some hydropower stations is not in harmony with the natural runoff, and the phenomenon of water abandonment in the flood season is serious. According to incomplete estimates, by 2020, the amount of abandoned water in Sichuan will reach 35 billion kWh, and Sichuan hydropower is facing huge consumption pressure. .

近年来水电解制氢技术的研究在世界范围内受到越来越高的重视和支持。因此利用水电站电解制氢，可有效解决电力过剩时水电消纳难题，同时可提高水资源利用率、减小水电站汛期弃水。In recent years, the research of water electrolysis hydrogen production technology has received more and more attention and support worldwide. Therefore, the use of electrolysis in hydropower stations to produce hydrogen can effectively solve the problem of hydropower consumption when there is excess power, and at the same time, it can improve the utilization rate of water resources and reduce the waste water of hydropower stations during the flood season.

电解水制氢装置的工作介质是工作温度为70～85℃的碱性水溶液，其主设备为电解槽。在电解槽后连有氢侧系统、氧侧系统及补给水系统和碱液系统等。电解水制氢工艺流程对碱性水溶液温度控制较为严格，目前常用的冷却水调节方法均为手动调节，温控调节效果较差，且水资源浪费较为严重。The working medium of the electrolyzed water hydrogen production device is an alkaline aqueous solution with a working temperature of 70-85°C, and its main equipment is an electrolytic cell. The hydrogen side system, the oxygen side system, the make-up water system and the lye system are connected behind the electrolyzer. The temperature control of the alkaline aqueous solution is relatively strict in the electrolysis water hydrogen production process. At present, the commonly used cooling water adjustment methods are manual adjustment, the temperature control adjustment effect is poor, and the waste of water resources is relatively serious.

发明内容SUMMARY OF THE INVENTION

本实用新型的目的是为了解决上述背景技术存在的不足之处，为水电站电解制氢装置而提出了一种智能温控冷却供水系统，提高水电站水资源利用率及发电潜能，减小汛期弃水，同时利用产生的电能电解水产生氢气和氧气，增加了水电站的产能和经济效益。The purpose of this utility model is to solve the shortcomings of the above-mentioned background technology, and propose an intelligent temperature-controlled cooling water supply system for the electrolysis hydrogen production device of the hydropower station, which can improve the utilization rate of water resources and the power generation potential of the hydropower station, and reduce the waste water during the flood season. At the same time, the generated electricity is used to electrolyze water to produce hydrogen and oxygen, which increases the production capacity and economic benefits of the hydropower station.

为实现上述目的，本实用新型所设计的水电站电解制氢智能温控冷却供水系统，包括设置于水轮发电机组的压力钢管上的取水口，其特殊之处在于，所述取水口通过供水总管与电解制氢装置冷却器的供水支路连通，所述电解制氢装置冷却器的回水支路通过回水总管与水轮发电机组的尾水管连通，所述电解制氢装置冷却器的每一条供水支路上设置有流量调节阀、进口端温度传感器、出口端温度传感器，所述流量调节阀、进口端温度传感器、出口端温度传感器均与智能温控调节装置电连接。In order to achieve the above purpose, the intelligent temperature-controlled cooling water supply system for electrolysis hydrogen production in a hydropower station designed by the present invention includes a water intake set on the penstock of the hydro-generator set. The special feature is that the water intake passes through the water supply main pipe. It is communicated with the water supply branch of the cooler of the electrolytic hydrogen production device, and the return water branch of the cooler of the electrolytic hydrogen production device is communicated with the draft pipe of the hydro-generator unit through the return water main pipe. A water supply branch is provided with a flow regulating valve, an inlet temperature sensor, and an outlet temperature sensor. The flow regulating valve, the inlet temperature sensor, and the outlet temperature sensor are all electrically connected to the intelligent temperature control and adjustment device.

进一步地，所述智能温控调节装置包括沿信号走向依次相连的流量给定器、信号反馈器、函数发生器和开度调节器，所述流量给定器的输入端与控制信号输出端连接，所述开度调节器的输出端与流量调节阀的输入端连接，所述进口端温度传感器、出口端温度传感器的输出端均与信号反馈器的输入端连接。Further, the intelligent temperature control and adjustment device includes a flow setter, a signal feedback device, a function generator and an opening regulator connected in sequence along the signal direction, and the input end of the flow setter is connected with the control signal output end. , the output end of the opening regulator is connected with the input end of the flow regulating valve, and the output ends of the inlet end temperature sensor and the outlet end temperature sensor are both connected with the input end of the signal feedback device.

更进一步地，所述电解制氢装置冷却器的供水支路包括电解槽冷却器支路、氧气气水分离器冷却器支路和氢气气水分离器冷却器支路。Further, the water supply branch of the cooler of the electrolytic hydrogen production device includes an electrolytic cell cooler branch, an oxygen gas water separator cooler branch and a hydrogen gas water separator cooler branch.

更进一步地，所述电解槽冷却器支路包括流量调节阀、进口端压力传感器、进口端温度传感器、电解槽冷却器、出口端压力传感器、出口端温度传感器。Further, the branch circuit of the electrolytic cell cooler includes a flow regulating valve, an inlet end pressure sensor, an inlet end temperature sensor, an electrolytic cell cooler, an outlet end pressure sensor, and an outlet end temperature sensor.

更进一步地，所述氧气气水分离器冷却器支路包括流量调节阀、进口端压力传感器、进口端温度传感器、氧气气水分离器冷却器、出口端压力传感器、出口端温度传感器。Further, the branch circuit of the oxygen gas water separator cooler includes a flow regulating valve, an inlet end pressure sensor, an inlet end temperature sensor, an oxygen gas water separator cooler, an outlet end pressure sensor, and an outlet end temperature sensor.

更进一步地，所述氢气气水分离器冷却器支路包括流量调节阀、进口端压力传感器、进口端温度传感器、氢气气水分离器冷却器、出口端压力传感器、出口端温度传感器。Further, the branch circuit of the hydrogen gas water separator cooler includes a flow regulating valve, an inlet end pressure sensor, an inlet end temperature sensor, a hydrogen gas water separator cooler, an outlet end pressure sensor, and an outlet end temperature sensor.

与现有技术相比，本实用新型具有的有益效果包括：Compared with the prior art, the beneficial effects of the present utility model include:

(1)本实用新型提高了水电站水资源利用率及发电潜能，降低了水电站弃水。(1) The utility model improves the water resource utilization rate and power generation potential of the hydropower station, and reduces the waste water of the hydropower station.

(2)本实用新型可直接应用于水电站电解水产生氢气和氧气装置，对氢气能源在水电站中的开发利用和推广具有重要意义。(2) The utility model can be directly applied to the device for electrolyzing water to generate hydrogen and oxygen in hydropower stations, which is of great significance to the development, utilization and promotion of hydrogen energy in hydropower stations.

(3)本实用新型可通过预先设置的PLC控制指令，智能温控冷却水调节流量，降低人工成本。(3) The utility model can intelligently adjust the flow rate of the temperature-controlled cooling water through preset PLC control instructions, thereby reducing labor costs.

附图说明Description of drawings

图1为本实用新型一种水电站电解制氢智能温控冷却供水系统的结构示意图。Figure 1 is a schematic structural diagram of an intelligent temperature-controlled cooling water supply system for electrolysis hydrogen production in a hydropower station of the present invention.

图中：水轮发电机组1，取水口1.1，压力钢管1.2，尾水管1.3，流量调节阀2，进口端温度传感器3.1，电解槽冷却器3.2，氧气气水分离器冷却器3.3，氢气气水分离器冷却器3.4，出口端温度传感器3.5，智能温控调节装置4，流量给定器4.1，信号反馈器4.2，函数发生器4.3，开度调节器4.4。In the picture: turbine generator set 1, water intake 1.1, penstock 1.2, draft pipe 1.3, flow control valve 2, inlet temperature sensor 3.1, electrolyzer cooler 3.2, oxygen gas water separator cooler 3.3, hydrogen gas water Separator cooler 3.4, outlet temperature sensor 3.5, intelligent temperature control device 4, flow setter 4.1, signal feedback device 4.2, function generator 4.3, opening regulator 4.4.

具体实施方式Detailed ways

为了使本实用新型技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。In order to make the technical solutions and beneficial effects of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

如图1所示，本实用新型提出的一种水电站电解制氢智能温控冷却供水系统，包括设置于水轮发电机组1的压力钢管1.2上的取水口1.1，取水口1.1通过供水总管5与电解制氢装置冷却器3的供水支路连通。电解制氢装置冷却器3的回水支路通过回水总管9与水轮发电机组1的尾水管1.3连通。As shown in FIG. 1 , an intelligent temperature-controlled cooling water supply system for electrolysis hydrogen production in a hydropower station proposed by the present utility model includes a water intake 1.1 arranged on the penstock 1.2 of the hydroelectric generator set 1, and the water intake 1.1 is connected to the water supply main pipe 5 with the water intake 1.1. The water supply branch of the cooler 3 of the electrolytic hydrogen production device communicates with each other. The return water branch of the cooler 3 of the electrolytic hydrogen production device communicates with the draft water pipe 1.3 of the hydro-generator set 1 through the return water main pipe 9 .

电解制氢装置冷却器3的供水支路包括电解槽冷却器支路6、氧气气水分离器冷却器支路7和氢气气水分离器冷却器支路8。The water supply branch of the cooler 3 of the electrolytic hydrogen production device includes the electrolytic cell cooler branch 6 , the oxygen gas water separator cooler branch 7 and the hydrogen gas waterseparator cooler branch 8 .

电解槽冷却器支路6的进水口与供水总管5连通，回水口与回水总管9连通。电解槽冷却器支路6包括流量调节阀2、进口端压力传感器、进口端温度传感器3.1、电解槽冷却器3.2、出口端压力传感器、出口端温度传感器3.5。The water inlet of the branch circuit 6 of the electrolytic cell cooler is communicated with the water supply main pipe 5 , and the water return port is communicated with the return water main pipe 9 . The electrolytic cell cooler branch 6 includes a flow regulating valve 2, an inlet pressure sensor, an inlet temperature sensor 3.1, an electrolytic cell cooler 3.2, an outlet pressure sensor, and an outlet temperature sensor 3.5.

氧气气水分离器冷却器支路7的进水口与供水总管5连通，回水口与回水总管9连通。氧气气水分离器冷却器支路7包括流量调节阀2、进口端压力传感器、进口端温度传感器3.1、氧气气水分离器冷却器3.3、出口端压力传感器、出口端温度传感器3.5。The water inlet of the cooler branch 7 of the oxygen gas water separator is communicated with the water supply main pipe 5 , and the water return port is communicated with the return water main pipe 9 . The oxygen gas water separator cooler branch 7 includes a flow regulating valve 2, an inlet pressure sensor, an inlet temperature sensor 3.1, an oxygen gas water separator cooler 3.3, an outlet pressure sensor, and an outlet temperature sensor 3.5.

氢气气水分离器冷却器支路8的进水口与供水总管5连通，回水口与回水总管9连通。氢气气水分离器冷却器支路8包括流量调节阀2、进口端压力传感器、进口端温度传感器3.1、氢气气水分离器冷却器3.4、出口端压力传感器、出口端温度传感器3.5。The water inlet of thecooler branch 8 of the hydrogen gas water separator is communicated with the water supply main pipe 5 , and the water return port is communicated with the return water main pipe 9 . The hydrogen gas waterseparator cooler branch 8 includes a flow regulating valve 2, an inlet end pressure sensor, an inlet end temperature sensor 3.1, a hydrogen gas water separator cooler 3.4, an outlet end pressure sensor, and an outlet end temperature sensor 3.5.

流量调节阀2、进口端温度传感器3.1和出口端温度传感器3.5均为三个，所有流量调节阀2、进口端温度传感器3.1、出口端温度传感器3.5均与智能温控调节装置4电连接。There are three flow regulating valves 2, inlet temperature sensors 3.1 and outlet temperature sensors 3.5. All flow regulating valves 2, inlet temperature sensors 3.1, and outlet temperature sensors 3.5 are electrically connected to the intelligent temperature control device 4.

智能温控调节装置4包括沿信号走向依次相连的流量给定器4.1、信号反馈器4.2、函数发生器4.3和开度调节器4.4，流量给定器4.1的输入端与控制信号输出端(PLC图中未示出)连接，通过预先设置的PLC控制指令，智能温控冷却水调节流量，开度调节器4.4的输出端与流量调节阀2的输入端连接，进口端温度传感器3.1、出口端温度传感器3.5的输出端均与信号反馈器4.2的输入端连接。The intelligent temperature control device 4 includes a flow setter 4.1, a signal feedback device 4.2, a function generator 4.3 and an opening regulator 4.4 which are connected in sequence along the signal direction. The input end of the flow setter 4.1 and the control signal output end (PLC (not shown in the figure) connection, through the preset PLC control command, the intelligent temperature-controlled cooling water adjusts the flow, the output end of the opening regulator 4.4 is connected with the input end of the flow control valve 2, the inlet end temperature sensor 3.1, the outlet end The output ends of the temperature sensor 3.5 are all connected with the input end of the signal feedback device 4.2.

本实用新型水电站电解制氢智能温控冷却系统工作时，从水轮发电机组1的压力钢管1.2上的取水口1.1上取水，根据电解制氢装置冷却器3的实际运行负荷和以及冷却水水温，智能温控调节装置4自动调整流量调节阀2的开度，使通过电解制氢装置冷却器3每一个冷却支路中用户的流量能较好地满足其冷却要求，确保电解制氢装置冷却器3的最高温度低于其性能限值。最后，通过电解制氢装置冷却器3的冷却水排至水轮发电机组1的尾水管或电站下游1.3。When the intelligent temperature-controlled cooling system for electrolysis hydrogen production in the hydropower station of the utility model is in operation, water is taken from the water intake 1.1 on the pressure steel pipe 1.2 of the hydroelectric generator set 1, according to the actual operating load of the electrolytic hydrogen production device cooler 3 and the cooling water temperature. , the intelligent temperature control and adjustment device 4 automatically adjusts the opening of the flow control valve 2, so that the flow rate of the user in each cooling branch of the electrolytic hydrogen production device cooler 3 can better meet its cooling requirements, ensuring that the electrolytic hydrogen production device is cooled. The maximum temperature of device 3 is below its performance limit. Finally, the cooling water passing through the cooler 3 of the electrolytic hydrogen production device is discharged to the draft pipe of the hydro-generator set 1 or the downstream 1.3 of the power station.

由于电解制氢装置冷却器3需要的冷却水量会随电解制氢装置冷却器3负荷的变化而发生改变，通过智能温控调节装置4自动调节流量调节阀2的开度，可有效节约水资源并提高水资源利用率，并为水电站电解制氢装置提供了一种可靠且高效的冷却供水方式。Since the amount of cooling water required by the electrolytic hydrogen production device cooler 3 will change with the load of the electrolytic hydrogen production device cooler 3, the intelligent temperature control device 4 can automatically adjust the opening of the flow regulating valve 2, which can effectively save water resources And improve the utilization rate of water resources, and provide a reliable and efficient cooling water supply method for the electrolysis hydrogen production device of the hydropower station.

尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a power station electrolysis hydrogen manufacturing intelligence temperature control cooling water supply system, is including setting up water intake (1.1) on penstock (1.2) of hydroelectric set (1), its characterized in that: the water intake (1.1) is communicated with a water supply branch of the electrolytic hydrogen production device cooler (3) through a water supply main pipe (5), a water return branch of the electrolytic hydrogen production device cooler (3) is communicated with a tail water pipe (1.3) of the water turbine generator set (1) through a water return main pipe (9), each water supply branch of the electrolytic hydrogen production device cooler (3) is provided with a flow regulating valve (2), an inlet end temperature sensor (3.1) and an outlet end temperature sensor (3.5), and the flow regulating valve (2), the inlet end temperature sensor (3.1) and the outlet end temperature sensor (3.5) are all electrically connected with an intelligent temperature control adjusting device (4).

2. The intelligent temperature-controlled cooling water supply system for hydrogen production by electrolysis in hydropower stations according to claim 1, characterized in that: intelligence control by temperature change adjusting device (4) include along signal trend flow direction flow setter (4.1), signal feedback ware (4.2), function generator (4.3) and opening regulator (4.4) that link to each other in proper order, the input and the control signal output of flow setter (4.1) are connected, the output of opening regulator (4.4) is connected with the input of flow control valve (2), the output of entrance point temperature sensor (3.1), exit end temperature sensor (3.5) all is connected with the input of signal feedback ware (4.2).

3. The intelligent temperature-controlled cooling water supply system for hydrogen production by electrolysis in hydropower stations according to claim 1, characterized in that: the water supply branch of the electrolytic hydrogen production device cooler (3) comprises an electrolytic bath cooler branch (6), an oxygen gas-water separator cooler branch (7) and a hydrogen gas-water separator cooler branch (8).

4. The intelligent temperature-controlled cooling water supply system for hydrogen production by electrolysis in hydropower stations according to claim 3, characterized in that: the electrolytic bath cooler branch (6) comprises a flow regulating valve (2), an inlet end pressure sensor, an inlet end temperature sensor (3.1), an electrolytic bath cooler (3.2), an outlet end pressure sensor and an outlet end temperature sensor (3.5).

5. The intelligent temperature-controlled cooling water supply system for hydrogen production by electrolysis in hydropower stations according to claim 3, characterized in that: the oxygen-gas-water separator cooler branch (7) comprises a flow regulating valve (2), an inlet end pressure sensor, an inlet end temperature sensor (3.1), an oxygen-gas-water separator cooler (3.3), an outlet end pressure sensor and an outlet end temperature sensor (3.5).

6. The intelligent temperature-controlled cooling water supply system for hydrogen production by electrolysis in hydropower stations according to claim 3, characterized in that: the hydrogen-gas-water separator cooler branch (8) comprises a flow regulating valve (2), an inlet end pressure sensor, an inlet end temperature sensor (3.1), a hydrogen-gas-water separator cooler (3.4), an outlet end pressure sensor and an outlet end temperature sensor (3.5).

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