Heat pipe type heat extraction integrated cold, electricity and heat combined collection-utilization integrated geothermal system

A heat integration, cold electric heating technology, applied in the field of integrated geothermal system, can solve the problem of no comprehensive cold electric heating utilization technical scheme, achieve continuous stability, avoid energy supply and consumption mismatch, and maximize efficiency Effect

Pending Publication Date: 2021-12-28
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is still no corresponding comprehensive cold, electricity and heat utilization technology plan for the new technology of heat pipe mining geothermal energy

Method used

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  • Heat pipe type heat extraction integrated cold, electricity and heat combined collection-utilization integrated geothermal system
  • Heat pipe type heat extraction integrated cold, electricity and heat combined collection-utilization integrated geothermal system

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Embodiment

[0023] refer to figure 1 and figure 2 , is a heat pipe type heat extraction integrated cooling, electricity and heat combined use-use integrated geothermal system, including underground heat pipe 1, steam pump 2, first absorption bed 3, second absorption bed 4, first condenser 5, electronic Expansion valve 6, evaporator 7, liquid storage tank 8, balance valve 10, steam turbine 11, generator 12 connected to steam turbine 11, second condenser 13, heat utilization equipment 14 connected to second condenser 13, and second condenser 13 The booster pump 15 connected to the second condenser 13, and related connecting valve components; the underground heat pipe 1 includes an evaporation section, an adiabatic section and a return section, and the evaporation section is located in the underground high-temperature heat storage; the top of the return section is located on the ground, and has an air extraction hole , steam outlet and liquid return inlet; the underground heat pipe 1 uses ...

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Abstract

The invention discloses a heat pipe type heat extraction integrated cold, electricity and heat combined collection-utilization integrated geothermal system. The system comprises an underground heat pipe, a steam pump, a first absorption bed, a second absorption bed, a first condenser, an electronic expansion valve, an evaporator, a liquid storage tank, a balance valve, a steam turbine, a power generator connected with the steam turbine, a second condenser, heat utilization equipment connected with the second condenser, a booster pump connected with the second condenser, and related connection valve assemblies. According to the system, the flow direction and flow of heat pipe steam extracted out of the ground are controlled through the steam pump and the regulating valves on the refrigeration side and the power generation side, so that refrigeration/electric heating single-mode heat utilization or flow distribution during cold/electric heating dual-mode combination is selected, and the balance relation between refrigeration and power generation is adjusted according to seasonal requirements; the flow direction of a refrigerant is controlled through a refrigeration side valve assembly, and geothermal energy is extracted for continuous refrigeration; and a heat pipe steam working medium is stably and efficiently utilized for refrigeration/electric heating dual-mode combination.

Description

technical field [0001] The invention relates to the technical field of geothermal energy development and utilization, in particular to a heat-pipe heat extraction integrated cooling, electric and heating dual-mode combined use-use integrated geothermal system. Background technique [0002] Geothermal energy is a kind of clean and renewable energy. The development and utilization of geothermal energy has gradually become one of the strategic directions of new energy development in all countries in the world. At present, the development of geothermal resources has developed from medium and shallow hydrothermal resources to deeper strata with higher temperature, larger reserves and wider distribution range, such as medium and deep geothermal and hot dry rock resources. The development direction of the development and utilization of geothermal resources has also expanded from heating utilization modes such as heating and bathing to geothermal cooling and power generation and oth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24T50/00F24T10/40F01K13/00F01K27/00F01D15/10
CPCF24T50/00F24T10/40F01K13/00F01K27/00F01D15/10F25B17/00F03G7/04Y02E10/10
Inventor 蒋方明陈娟雯黄文博岑继文曹文炅
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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