Complementary water, electricity and heat coproduction energy supply system
A complementary, hydropower technology, applied in the field of energy technology systems, can solve problems such as poor use effect, achieve good matching, improve the level of energy cascade utilization, and ensure continuity and stability.
Pending Publication Date: 2018-07-20
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology
However, solar energy is not effective at night and when solar radiation is not ideal, and it is still not economically comparable to traditional seawater desalination technologies
Method used
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[0040] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
[0041] The working principle of the VM cycle heat pump refers to the Chinese patent CN101865566A.
[0042] Such as figure 1 As shown, the system includes: boiler 1, steam turbine 2, water pump 3, generator 4, solar heat collection system 5, seawater desalination device 6, steam storage tank 7, steam extraction valve 8, VM circulation heat pump 9, valve A 10, valve B 11, valve C 12, heat exchanger A13, heat exchanger B 14, heat exchanger C 15. The steam turbine 2 is connected to the boiler 1 to convert the heat energy of the high-temperature steam generated by the combustion of fuel in the boiler 1 into mechanical energy, and drives the generator 4 to generate electricity to form a power generation system; The seawater is evaporated and desalinated to produce qualified fresh water; at night and...
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The invention relates to a complementary water, electricity and heat coproduction energy supply system, and belongs to the technical field of energies. The system includes a steam turbine, a solar heat collecting system, a seawater desalination device, a VM circulating heat pump and the like. A fuel is burnt in a boiler to obtain high-temperature and high-pressure steam, and the steam drives a turbine generator set to generate electricity in order to provide electric load required by users; steam extracted from the steam turbine is stored in a steam storage tank, and complements with the solarheat collecting system to realize seawater desalination in order to provide qualified fresh water; and the steam extracted from the steam turbine is used to drive the VM circulating heat pump, so cooling and dehumidification for users in summer, supply of heat to the users in winter and supply of year-round domestic hot water load to the users are achieved. The system uses a conventional energy and new energy complementation manner, and the demands of the users for water, electricity, cooling and heat loads are met through the one system, so the energy supply system has a higher energy utilization efficiency than systems in the prior art.
Description
technical field [0001] The invention belongs to the field of energy technology systems, and in particular relates to a complementary hydroelectric heat cogeneration energy supply system. Background technique [0002] The fresh water resources on the earth only account for 2.53% of the total water on the earth, and the total amount of fresh water that can be directly enjoyed by humans accounts for only 0.26% of the fresh water reserves, which is less than 7 / 100,000 of the total water reserves on the earth. There are more than 20 billions of people face drinking water difficulties; in contrast, oceans cover 71% of the earth's surface area, with water reserves of about 1.37 billion cubic kilometers, accounting for 95% of the earth's total water volume and 98% of the total surface water volume. Therefore, obtaining fresh water from the ocean and developing more effective seawater desalination technology has become a top priority. [0003] Among the existing seawater desalinatio...
Claims
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IPC IPC(8): C02F1/04C02F1/14
CPCC02F1/04C02F1/14C02F2103/08C02F2201/009Y02A20/142Y02A20/212Y02A20/124
Inventor 谢英柏仲凯
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)