Thermal energy network system

Patent metadata

Field	Value
Publication number	US-9459012-B2
Application number	US-201213981210-A
Country	US
Kind code	B2
Filing date	Aug 8, 2012
Priority date	Oct 27, 2011
Publication date	Oct 4, 2016
Grant date	Oct 4, 2016

Abstract

Provided is a thermal energy network system including: a first thermal station that stores first thermal energy using a first heat source and supplies the first thermal energy to a first demand source used for residence or commerce; and a second thermal station that stores second thermal energy using a second heat source and supplies the second thermal energy to a second demand source used for industry, wherein the first thermal station and the second thermal station manage a base load of a thermal energy network, and the first thermal energy and the second thermal energy are transferred between the first thermal station and the second thermal station as needed.

First claim

The invention claimed is:

1. A thermal energy network system comprising:
a first thermal station that stores first thermal energy using a first heat source and supplies the first thermal energy to a first demand source used for residence or commerce, the first thermal station comprising a first heat source supply module, a first heat pump module, and a first thermal storage module,
wherein the first heat source supply module selectively introduces the first heat source and produces the first thermal energy with a first temperature requested by a first medium-temperature heat pump which is comprised of the first heat pump module;
a second thermal station that stores second thermal energy and third thermal energy using a second heat source and supplies the second thermal energy and the third thermal energy to a second demand source used for industry, the second thermal station comprising a second heat source supply module including a first heat source supply unit and a second heat source supply unit, a second heat pump module, and a second thermal storage module,
wherein the first heat source supply unit and the second heat source supply unit selectively introduce the second heat source and produce the second thermal energy with a second temperature requested by a second high-temperature heat pump and selectively introduce the second heat source and produce the third thermal energy with a third temperature requested by a second medium-temperature heat pump, respectively,
wherein the second high-temperature heat pump and the second medium-temperature heat pump are comprised of the second heat pump module,
wherein the first thermal station and the second thermal station manage a base load of a thermal energy network, and the first thermal energy and the second thermal energy are directly transferred in a bidirectional manner between the first thermal station and the second thermal station as needed,
wherein the first thermal storage module in which the first thermal energy is stored comprises a first medium-temperature thermal storage tank that stores medium-temperature hot water produced by the first medium-temperature heat pump and a first low-temperature thermal storage tank that stores low-temperature hot water produced by the first medium-temperature heat pump, and
wherein the second thermal storage module in which the second thermal energy and the third thermal energy are stored comprises a second high-temperature thermal storage tank that stores high-temperature hot water produced by the second high-temperature heat pump, a second medium-temperature thermal storage tank that stores medium-temperature hot water produced by the second high-temperature heat pump or the second medium-temperature heat pump, and a second low-temperature thermal storage tank that stores low-temperature hot water produced by the second medium-temperature heat pump; and
a district heating equipment storing a district thermal energy, which manages a partial load of the thermal energy network,
wherein the district thermal energy is directly exchanged between the district heating equipment and at least one of the first thermal station and the second thermal station.

2. The thermal energy network system of claim 1 , wherein
the first thermal station is installed adjacent to the first demand source, and
the second thermal station is installed adjacent to the second demand source.

3. The thermal energy network system of claim 1 , wherein the first thermal storage module exchanges hot water with the first demand source as needed.

4. The thermal energy network system of claim 1 , wherein the first heat source comprises a plurality of heat sources with different levels of temperature.

5. The thermal energy network system of claim 4 , wherein the first heat source supply module selectively introduces the first heat source from one or more of the plurality of heat sources among the first heat source with different levels of temperature.

6. The thermal energy network system of claim 4 , wherein the first heat source comprises at least two selected from the group consisting of a fuel cell heat source, a solar heat source, a geothermal heat source, a waste heat source, a biological heat source, and a temperature difference water heat source.

7. The thermal energy network system of claim 1 , wherein the first thermal station further comprises a first medium-temperature temperature rising unit that raises a temperature of hot water of the first low-temperature thermal storage tank and stores the hot water, the temperature of which has risen, in the first medium-temperature thermal storage tank.

8. The thermal energy network system of claim 1 , wherein the second thermal storage module exchanges hot water with the second demand source as needed.

9. The thermal energy network system of claim 1 , wherein the second heat source comprises a plurality of heat sources with different levels of temperature.

10. The thermal energy network system of claim 9 , wherein the second heat source supply module selectively introduces the second heat source from one or more of the plurality of heat sources among the second heat source with different levels of temperature.

11. The thermal energy network system of claim 9 , wherein the second heat source comprises at least two selected from the group consisting of a fuel cell heat source, a solar heat source, a geothermal heat source, a waste heat source, a biological heat source, and a temperature difference water heat source.

12. The thermal energy network system of claim 1 , wherein the second thermal station comprises:
a second medium-temperature rising unit that raises a temperature of hot water of the low-temperature thermal storage tank and stores hot water, the temperature of which has risen, in the medium-temperature thermal storage tank; and
a second high-temperature rising unit that raises a temperature of hot water of the medium-temperature thermal storage tank and stores hot water, the temperature of which has risen, in the high-temperature thermal storage tank.

13. A thermal energy network system comprising:
a first thermal station that stores first thermal energy using a first heat source and supplies the first thermal energy to a first demand source used for residence or commerce, wherein the first thermal station transports heat to the first demand source in a bidirectional manner so as to receive thermal energy from the first demand source and to store the thermal energy as needed and the first thermal station is installed adjacent to the first demand source, the first thermal station comprising a first heat source supply module, a first heat pump module, and a first thermal storage module,
wherein the first heat source supply module selectively introduces of the first heat source and produces the first thermal energy with a first temperature requested by a first medium-temperature heat pump which is comprised of the first heat pump module;
a second thermal station that stores second thermal energy and third thermal energy using a second heat source and supplies the second thermal energy and the third thermal energy to a second demand source used for industry, wherein the second thermal station transports heat to the second demand source in a bidirectional manner so as to receive thermal energy from the second demand source and to store the thermal energy as needed and the second thermal station is installed adjacent to the second demand source, the second thermal station comprising a second heat source supply module including a first heat source supply unit and a second heat source supply unit, a second heat pump module, and a second thermal st

Assignees

• Kim Minsung
• Baik Young-Jin
• Park Seong-Ryong
• Lee Dong-Won
• Ra Ho-Sang
• Lee Young-Soo
• Chang Ki-Chang
• Woo Joung-Son
• Park Jun-Tack
• Yoon Hyung-Kee
• Lee Euy-Joon
• Kang Eun-Chul
• Korea Energy Research Inst

Inventors

• Kim Minsung
• Baik Young-Jin
• Park Seong-Ryong
• Lee Dong-Won
• Ra Ho-Sang
• Lee Young-Soo
• Chang Ki-Chang
• Woo Joung-Son
• Park Jun-Tack
• Yoon Hyung-Kee
• Lee Euy-Joon
• Kang Eun-Chul

Classifications

• Y02E20/12

  Heat utilisation in combustion or incineration of waste · CPC title

• Y02B30/126

  Cross-Sectional Technologies · mapped topic

• Y02P80/14

  District level solutions, i.e. local energy networks · CPC title

• F24D11/0221

  combined with solar energy · CPC title

• F24D10/00 Primary

  District heating systems · CPC title