Terrestrial heat season-crossing heat storage and supply method and system through heat supply network

Abstract

The invention discloses a terrestrial heat season-crossing heat storage and supply method and system through a heat supply network. A terrestrial heat storage unit is arranged through an existing heat-supply pipe network and the space, nearby a user building, in a heat supply plant, on the non-heat-supply season, an urban heating network system is used for enabling redundant low-cost waste heat tobe stored underground, on the heat supply season, a heat pump system is used for extracting the heat stored underground to be changed into a product, profits are achieved, meanwhile, the consumptionof fossil fuel in winter can be reduced, and the urban heat supply network burdens and atmospheric pollutions are relieved; the problem of season heat supply need imbalance is solved, and the method and system can be suitable for large-area popularization of the residential area and the public open space; the method and system are supplemented with the concentrated heat supply, the system reliability is improved, the large network load can be reduced, the heat supply load high-peak use is considered, and the design of redundancy of the heat supply system can be reduced.

Description

technical field [0001] The invention relates to the technical field of central heating, in particular to a heat network, geothermal cross-seasonal heat storage and heat supply method and system. Background technique [0002] In summer, the combined heat and power generation around the city will generate a large amount of heat, which is used for urban domestic hot water service. However, due to the oversupply of heat generated by cogeneration in summer, the actual heat price is less than half of the price in the heating season, and the excess heat is directly discharged into the atmosphere from the air cooling tower, resulting in a large amount of energy waste and urban heat island effect. In winter, due to the huge demand for urban heating, it is necessary to increase the supply of heat sources. [0003] Traditional geothermal technology often needs to meet the balance of cold and heat. Therefore, except for a small number of centralized cooling public buildings, it is diff...

AI Technical Summary

Problems solved by technology

However, urban land is scarce, and it is very difficult to implement centralized refrigeration stations and cold water pipe networks. How to sustainably develop urban centralized refrigeration has become a problem facing the development of large cities

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