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A geothermal water cascade utilization system

A geothermal water and cascade technology, applied in residential hot water supply systems, heating systems, combined heat and power systems, etc., can solve the problems of non-recycling and low efficiency of condensed exhaust heat of generator sets, and improve comprehensive Utilization efficiency, improvement of utilization efficiency, and effect of increasing heating capacity

Active Publication Date: 2022-06-03
CHINA STATE CONSTRUCTION ENGINEERING CORPORATION +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a geothermal water cascade utilization system to solve the current technical problems of low efficiency of high-temperature geothermal water in the case of separate power generation and heating supply, and failure to recycle the condensed and exhausted heat of the generating set

Method used

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  • A geothermal water cascade utilization system

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Embodiment 1

[0029] like figure 1 As shown, the present invention provides a geothermal water cascade utilization system, the cascade utilization system includes a geothermal fluid side cascade utilization system, a winter user side heating system and a domestic hot water circulation system.

[0030] The geothermal fluid side cascade utilization system includes an ORC generator set 1, a heating heat exchanger 2, a geothermal well, a geothermal well intake pump 3 set in the geothermal well, a heating circulation pump 4, a domestic hot water heat exchanger 12, and domestic hot water heat storage The water tank 13 and the auxiliary heat source 6 of domestic hot water, the ORC generator set 1 includes an evaporator, a condenser, a working medium pressurizing pump, a steam turbine and a generator arranged between the evaporator and the condenser.

[0031] The water outlet of the geothermal well water pump 3 is communicated with the evaporator water inlet of the ORC generator set 1 through the p...

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Abstract

The invention discloses a geothermal water cascade utilization system. The cascade utilization system includes a geothermal fluid side cascade utilization system, a winter user side heating system and a domestic hot water circulation system; the geothermal fluid side cascade utilization system includes an ORC generator set, a heating system Heat exchangers, geothermal wells, geothermal well water intake pumps installed in geothermal wells, heating circulation pumps, domestic hot water heat exchangers, domestic hot water storage tanks and domestic hot water auxiliary heat sources, ORC generator sets include evaporators, condensing An evaporator and a generator arranged between the evaporator and the condenser, and the water outlet of the geothermal well water intake pump communicates with the water inlet of the evaporator of the ORC generator set through a pipeline. The cascade utilization of geothermal high-temperature water power generation and heat supply has been used comprehensively for the use of geothermal water, avoiding the low efficiency of geothermal water for power generation or heating, and improving the utilization efficiency of geothermal water.

Description

technical field [0001] The invention relates to the technical field of thermal energy utilization, in particular to a geothermal water cascade utilization system. Background technique [0002] With the rapid economic growth in my country and great achievements in various constructions, the development of renewable energy has received more and more attention from the country under the international background of energy conservation and emission reduction. [0003] As a clean and renewable energy, geothermal energy can be generally divided into two categories: geothermal power generation and direct utilization. Geothermal power generation is actually an energy conversion process that converts underground thermal energy into mechanical energy, and then converts mechanical energy into electrical energy, or is called geothermal power generation. The direct use of geothermal energy for heating, heating and hot water supply is second only to geothermal power generation. Because t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24D18/00F24T10/20F24D15/00F24D17/00F01K27/00F01K13/00F01K17/02F24D101/10F24D103/10
CPCF24T10/20F24D15/00F24D17/0036F01K27/00F01K13/00F01K17/02Y02E10/10Y02B30/00
Inventor 张彬彬岳玉亮齐月松钱堃
Owner CHINA STATE CONSTRUCTION ENGINEERING CORPORATION