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Heat supply system based on deep geothermal energy

A heating system and deep ground technology, applied in heating systems, hot water central heating systems, geothermal energy, etc., can solve problems such as limitations in the utilization of shallow geothermal energy, limitations in construction conditions for laying buried pipes, and reduced operating effects , to achieve significant environmental protection effects, efficient development and utilization, and low energy consumption

Pending Publication Date: 2017-12-22
BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current utilization of shallow geothermal energy is due to the uneven cold and heat in winter and summer, which leads to a decline in operating effect year by year; in addition, due to the construction conditions of buried pipe laying, the utilization of shallow geothermal energy is subject to certain restrictions in large-scale heating projects

Method used

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  • Heat supply system based on deep geothermal energy
  • Heat supply system based on deep geothermal energy
  • Heat supply system based on deep geothermal energy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Such as figure 1 As shown, a heating system based on deep geothermal energy includes a heat source station, a primary network pipeline, a heat power station and a secondary network pipeline; the heat source station includes a deep geothermal well, a water-water heat exchanger and a heat pump unit, so The deep geothermal wells include pumping wells, recharge wells and geothermal water pumps; the thermal station includes water-water heat exchange units; the connection mode of the primary network pipeline is set as follows: each return water branch pipe of the primary network and the main return water main pipe of the primary network The return water main pipe of the primary network is connected with the inlet of the water-water heat exchanger of the heat source station, the outlet of the water-water heat exchanger is connected with the inlet of the heat pump unit, the outlet of the heat pump unit is connected with the main water supply pipe of the primary network, and the ...

Embodiment 2

[0055] Such as figure 2 As shown, a heating system based on deep geothermal energy includes a heat source station, a primary network pipeline, a heat power station and a secondary network pipeline; the heat source station includes a deep geothermal well, a water-water heat exchanger and a heat pump unit, so The deep geothermal wells include pumping wells, recharge wells and geothermal water pumps; the thermal station includes high-efficiency heat exchange units with large temperature differences; The return water main pipe of the primary network is connected with the inlet of the water-water heat exchanger of the heat source station, the outlet of the water-water heat exchanger is connected with the inlet of the heat pump unit, the outlet of the heat pump unit is connected with the main water supply pipe of the primary network, and the main water supply pipe of the primary network is connected with the The water supply branch pipes of the primary network are connected, and th...

Embodiment 3

[0064] Such as image 3 As shown, on the basis of the disclosure of Embodiment 1, the peak-shaving heat source equipment of the boiler is added to the heat source station. It is a heating system based on deep geothermal energy, including heat source station, primary network pipeline, heat power station and secondary network pipeline; the heat source station includes deep geothermal well, water-water heat exchanger, heat pump unit and boiler, The deep geothermal wells include pumping wells, recharge wells and geothermal heat pumps; the thermal station includes water-water heat exchange units; the connection mode of the primary network pipeline is set as follows: each return water branch pipe of the primary network is connected to the return water trunk of the primary network The main return water pipe of the primary network is connected with the inlet of the water-water heat exchanger of the heat source station, the outlet of the water-water heat exchanger is connected with the...

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Abstract

The invention relates to a heat supply system based on deep geothermal energy. The heat supply system comprises a heat source station, a primary network pipeline, a thermal station and a secondary network pipeline. The system sets a water-water heat exchanger, a heat pump unit, a boiler or a steam-water heat exchanger at the heat source station according to heat source features or heat consumer characteristics, and sets a water-water heat exchange unit or a high-temperature-difference efficient heat exchange unit at the thermal station according to heating medium parameters of a primary network and the heat consumer characteristics; therefore, efficient and deep development and utilization of the deep geothermal energy are realized to meet a heat supply load requirement in the winter; and furthermore, the fossil energy consumption and discharge of pollutants of fossil energy can be substantially reduced.

Description

technical field [0001] The invention belongs to the field of high-efficiency heating by geothermal energy, and in particular relates to a heating system based on deep-layer geothermal energy. Background technique [0002] With the rapid development of urbanization, the energy consumption of buildings in my country has increased sharply and the consumption is serious. The development and utilization of geothermal energy has become the main measure for building energy conservation. The current utilization of shallow geothermal energy is due to the uneven cold and heat in winter and summer, which leads to a decline in operating effect year by year; in addition, due to the construction conditions of buried pipe laying, the utilization of shallow geothermal energy is subject to certain restrictions in large-scale heating projects . Due to its high energy density and good thermal stability, deep geothermal energy has gradually attracted great attention at home and abroad, because...

Claims

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Application Information

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IPC IPC(8): F24D3/18F24D3/10F24D19/10
CPCY02B10/40F24D3/18F24D3/10F24D19/1015F24D2200/11F24D2200/12
Inventor 孙方田程丽娇
Owner BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE