CN-122022017-A - Clean power supply hydrogen production coupling water desalination system and power configuration method thereof

CN122022017ACN 122022017 ACN122022017 ACN 122022017ACN-122022017-A

Abstract

The invention belongs to the technical field of clean power supply hydrogen production and water desalination, and provides a clean power supply hydrogen production coupling water desalination system and a power configuration method thereof, wherein the method comprises the steps of establishing a clean power supply priority distribution model; the method comprises the steps of providing clean energy to a hydrogen production device preferentially, establishing a heat storage tank state optimization model based on electricity purchasing cost, and obtaining optimal power configuration of the clean power supply and the hydrogen production device by jointly solving the clean power supply priority distribution model and the heat storage tank state optimization model. The utility model realizes the utilization of waste electricity and waste heat in the hydrogen production of wind energy and solar energy by optimizing the configuration proportion of the clean power supply and the hydrogen production power.

Inventors

LIU CONG
JIANG HAOTIAN
ZHU XIAOYI
GAO XUEQIANG
YANG DINGHUA
LIU XIAOCHI
LIU JUN
YANG YANG
ZHAO WANG
CUI TONGHUI

Assignees

中国长江三峡集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260105

Claims (12)

1. A clean power supply hydrogen production coupling water desalination system is characterized in that, Comprises a clean power supply, a power grid, a hydrogen production device, an electric heater, a heat storage tank, a desalination device and a control device; the clean power supply is connected to a power grid through grid-connected equipment and provides power for the hydrogen production device and the electric heater, wherein the clean power supply is preferentially provided for the hydrogen production device; the hydrogen production device is used for electrolyzing the fresh water provided by the desalination device to produce hydrogen; The heat storage tank collects heat of the electric heater and the hydrogen production device and provides the heat for the desalination device; the control device is used for cooperative control and scheduling among the power grid, the clean power supply, the hydrogen production device, the electric heater and the desalination device.
2. The system of claim 1, wherein the system further comprises a controller configured to control the controller, The clean power supply comprises a wind power generation device and a solar power generation device; the solar power generation device is a photovoltaic power generation device or a photo-thermal power generation device.
3. The system according to claim 1 or 2, wherein, And hydrogen produced by the hydrogen production device is injected into the hydrogen net.
4. A power configuration method for hydrogen production coupled water desalination by a clean power supply is applicable to the system of any one of claims 1-3, and is characterized in that, The method comprises the following steps: establishing a clean power supply priority distribution model, wherein the clean power supply preferentially meets the power required by hydrogen production; based on electricity purchasing cost, establishing a heat storage tank state optimization model; and (3) solving the clean power supply priority distribution model and the heat storage tank state optimization model in a combined way to obtain the optimal power configuration of the clean power supply and the hydrogen production device.
5. The method of claim 4, wherein the step of determining the position of the first electrode is performed, Establishing a clean power priority distribution model, comprising: Calculating the power of a clean power supply; Calculating total required power for hydrogen production and electric heating; And preferentially distributing the clean power supply to the hydrogen production device according to the clean power supply power and the total required power, and creating a clean power supply preferential distribution model.
6. The method according to claim 4 or 5, wherein, Wind energy in the clean power supply is preferentially distributed to the hydrogen production device.
7. The method of claim 6, wherein the step of providing the first layer comprises, The difference between the wind energy and the power required by the hydrogen production device is supplemented by solar power.
8. The method of claim 7, wherein the step of determining the position of the probe is performed, The difference between the wind energy, the solar energy and the power required by the hydrogen production device is supplemented by the electricity purchasing of the power grid.
9. A power configuration device for hydrogen production coupled with water desalination by a clean power supply, which is used for executing the method of any one of the claims 4-8, The device comprises a clean power supply priority distribution model construction module, a heat storage tank state optimization model construction module and a joint solving module; The clean power supply priority distribution model construction module is used for building a clean power supply priority distribution model; the heat storage tank state optimization model construction module is used for building a heat storage tank state optimization model based on electricity purchasing cost; and the joint solving module is used for jointly solving the clean power supply priority distribution model and the heat storage tank state optimization model to obtain the optimal power configuration of the clean power supply and the hydrogen production device.
10. An electronic device comprising at least one processor and at least one storage medium electrically connected; the storage medium is electrically connected to the processors, wherein the storage medium stores instructions executable by at least one of the processors to enable the at least one processor to perform the clean power supply hydrogen production coupled water desalination power configuration method as claimed in any one of claims 4-8.
11. A computer storage medium, characterized in that, The computer storage medium has a computer program stored therein; the computer program, when executed by a processor, implements the clean power supply hydrogen production coupled water desalination power configuration method of any one of claims 4-8.
12. A computer program product, characterized in that, The computer program product is stored in at least one storage medium; The computer program product comprising instructions for causing at least one electronic device to perform the clean power supply hydrogen production coupled water desalination power configuration method of any one of claims 4-8.

Description

Clean power supply hydrogen production coupling water desalination system and power configuration method thereof Technical Field The disclosure belongs to the technical field of clean power supply hydrogen production and water desalination, and particularly relates to a clean power supply hydrogen production coupling water desalination system, a power configuration method, a system, equipment, a medium and a product. Background The water electrolysis hydrogen production process needs to consume a large amount of water resources, and the wind energy and solar energy resource enrichment areas face the dilemma of insufficient fresh water resources, so that the fresh water resources are provided by desalination of sea water, saline-alkali water or brackish water, and are effective paths for solving the problem of insufficient fresh water resources. The water desalination technology path mainly comprises a membrane method and a thermal method, and a large amount of energy sources are consumed. The membrane method is to realize water desalination by utilizing the separation effect of a reverse osmosis membrane, and has stable electric power energy input condition, and the thermal method is to realize water desalination by utilizing the principle of water vapor condensation, and has friendly requirement on the stability of thermal energy input. At present, the outstanding contradiction faced by the development of the water electrolysis hydrogen production industry is the rigid constraint conditions such as wind energy, solar power generation intermittence, volatility, instability and the like, and the problems of high demand on the installed power of hydrogen production equipment and poor economy of the hydrogen production equipment caused by the insufficient number of hours of effective annual utilization under the high-power installed condition. The contradiction determines that full effective utilization of wind energy and solar energy power generation is difficult to realize in the actual production of hydrogen production by water electrolysis, and the situation of partial power rejection still exists. The hydrogen production efficiency by water electrolysis is maintained at 50-60%, a large amount of waste heat is generated in the hydrogen production process, the heat temperature is generally 80-100 ℃, the taste is low, and the effective utilization is difficult. However, at present, no energy distribution scheme for wind energy and solar energy hydrogen production coupled water desalination exists. Disclosure of Invention In order to solve the problems, the present disclosure provides a clean power supply hydrogen production coupling water desalination system and a power configuration method thereof, which can realize the utilization of waste electricity and waste heat in the hydrogen production of wind energy and solar energy and simultaneously eliminate the fresh water supply pressure of the hydrogen production system by optimizing the configuration proportion of the clean power supply and the hydrogen production power. In a first aspect, the present disclosure provides a clean power supply hydrogen production coupled water desalination system, comprising a clean power supply, a power grid, a hydrogen production device, an electric heater, a heat storage tank, a desalination device and a control device; the clean power supply is connected to a power grid through grid-connected equipment and provides power for the hydrogen production device and the electric heater, wherein the clean power supply is preferentially provided for the hydrogen production device; the hydrogen production device is used for electrolyzing the fresh water provided by the desalination device to produce hydrogen; The heat storage tank collects heat of the electric heater and the hydrogen production device and provides the heat for the desalination device; the control device is used for cooperative control and scheduling among the power grid, the clean power supply, the hydrogen production device, the electric heater and the desalination device. Further, the method comprises the steps of, The clean power supply comprises a wind power generation device and a solar power generation device; the solar power generation device is a photovoltaic power generation device or a photo-thermal power generation device. Further, the method comprises the steps of, And hydrogen produced by the hydrogen production device is injected into the hydrogen net. In a second aspect, the present disclosure provides a power configuration method for hydrogen production coupled water desalination by a clean power supply, including: establishing a clean power supply priority distribution model, wherein the clean power supply preferentially meets the power required by hydrogen production; based on electricity purchasing cost, establishing a heat storage tank state optimization model; and (3) solving the clean power supply priority distribution model and the heat storag