CN101943438A - Solar geothermal heating device - Google Patents

Solar geothermal heating device Download PDF

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Publication number
CN101943438A
CN101943438A CN 201010532517 CN201010532517A CN101943438A CN 101943438 A CN101943438 A CN 101943438A CN 201010532517 CN201010532517 CN 201010532517 CN 201010532517 A CN201010532517 A CN 201010532517A CN 101943438 A CN101943438 A CN 101943438A
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solar
energy
heat exchanger
energy storage
water inlet
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陈振乾
陈胜朋
李栋
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Southeast University
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Southeast University
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Abstract

本发明公开了一种太阳能地热供暖装置,包括太阳能集热器、储能换热器、热泵机组以及用户地暖辐射板,所述的储能换热器设置在地表以下,所述的太阳能集热器的出水口与储能换热器的进水口连接,储能换热器的出水口通过热泵机组与用户地暖辐射板的进水口连接,用户地暖辐射板的进水口连接的出水口通过一水泵连接至太阳能集热器的进水口。与现有技术相比,本发明太阳能集热器与储能换热器串联,在非供暖季节,通过介质的循环将集热器吸收的太阳能储存于地表浅层土壤中,利用浅层土壤的蓄热特性储存太阳能。供暖季节的太阳能、储存的太阳能以及地表浅层地热能都可以在供暖时期供用户使用。

Figure 201010532517

The invention discloses a solar geothermal heating device, which comprises a solar heat collector, an energy storage heat exchanger, a heat pump unit, and a user's floor heating radiant panel, the energy storage heat exchanger is arranged below the ground surface, and the solar heat collection The water outlet of the energy storage heat exchanger is connected to the water inlet of the energy storage heat exchanger, the water outlet of the energy storage heat exchanger is connected to the water inlet of the user's floor heating radiant panel through the heat pump unit, and the water outlet connected to the water inlet of the user's floor heating radiant panel is passed through a water pump Connect to the water inlet of the solar collector. Compared with the prior art, the solar heat collector of the present invention is connected in series with the energy storage heat exchanger, and in the non-heating season, the solar energy absorbed by the heat collector is stored in the shallow soil on the surface through the circulation of the medium, and the energy of the shallow soil is utilized Thermal storage properties store solar energy. Solar energy in the heating season, stored solar energy, and shallow geothermal energy on the surface can all be used by users during the heating period.

Figure 201010532517

Description

太阳能地热供暖装置 Solar geothermal heating device

技术领域technical field

 本发明主要涉及太阳能及地热能的综合利用,对缓解我国供暖能耗需求具有重要意义。The invention mainly relates to the comprehensive utilization of solar energy and geothermal energy, which is of great significance to alleviating the heating energy consumption demand in our country.

背景技术Background technique

我国采暖地区供热采暖耗能占其建筑的总能耗的65%以上,能源主要以煤炭为主的化石燃料为主,利用效率低。化石燃料的大量使用不仅加剧了我国资源的衰竭速度,同时也带了严重的环境问题。开发地热储能装置,利用太阳能及地表浅层地热能等清洁可再生能源进行供暖,对我国的能源战略具有重要意义。The energy consumption of heating and heating in my country's heating areas accounts for more than 65% of the total energy consumption of its buildings. The energy is mainly coal-based fossil fuels, and the utilization efficiency is low. Extensive use of fossil fuels not only aggravates the depletion of resources in our country, but also brings serious environmental problems. The development of geothermal energy storage devices and the use of clean and renewable energy such as solar energy and shallow geothermal energy for heating are of great significance to my country's energy strategy.

发明内容Contents of the invention

本设计发明主要针对我国供暖能耗需求大、可再生清洁能源利用少的特点,开发了太阳能地热供暖装置。该装置综合利用太阳能和地热能进行供暖,能耗低,无污染。利用储能换热器将全年的太阳能储存起来供暖使用,太阳能利用效率较高。This design invention mainly aims at the characteristics of large demand for heating energy consumption and less utilization of renewable clean energy in my country, and develops a solar geothermal heating device. The device comprehensively utilizes solar energy and geothermal energy for heating, and has low energy consumption and no pollution. The energy storage heat exchanger is used to store the solar energy throughout the year for heating, and the solar energy utilization efficiency is high.

本发明主要采用以下方案:The present invention mainly adopts following scheme:

一种太阳能地热供暖装置,包括太阳能集热器、储能换热器、热泵机组以及用户地暖辐射板,所述的储能换热器设置在地表以下,所述的太阳能集热器的出水口与储能换热器的进水口连接,储能换热器的出水口通过热泵机组与用户地暖辐射板的进水口连接,用户地暖辐射板的进水口连接的出水口通过一水泵连接至太阳能集热器的进水口。A solar geothermal heating device, including a solar heat collector, an energy storage heat exchanger, a heat pump unit, and a user floor heating radiant panel, the energy storage heat exchanger is arranged below the ground surface, and the water outlet of the solar heat collector It is connected to the water inlet of the energy storage heat exchanger, and the water outlet of the energy storage heat exchanger is connected to the water inlet of the user's floor heating radiant panel through the heat pump unit, and the water outlet connected to the water inlet of the user's floor heating radiant panel is connected to the solar collector through a water pump. water inlet of the heater.

与现有技术相比,本发明地暖供热装置具有如下优点:Compared with the prior art, the floor heating heating device of the present invention has the following advantages:

1) 太阳能集热器与储能换热器串联,在非供暖季节,通过介质的循环将集热器吸收的太阳能储存于地表浅层土壤中,利用浅层土壤的蓄热特性储存太阳能。供暖季节的太阳能、储存的太阳能以及地表浅层地热能都可以在供暖时期供用户使用。1) The solar heat collector is connected in series with the energy storage heat exchanger. In the non-heating season, the solar energy absorbed by the heat collector is stored in the shallow soil on the surface through the circulation of the medium, and the heat storage characteristics of the shallow soil are used to store solar energy. Solar energy in the heating season, stored solar energy, and shallow geothermal energy on the surface can all be used by users during the heating period.

2) 为了保证系统运行的可靠性,该装置综合利用了热泵技术。热泵技术是近年来在全世界倍受关注的新能源技术。热泵在工作时,它本身消耗一部分能量,把环境介质中贮存的能量加以挖掘,通过传热工质循环系统提高温度进行利用,而整个热泵装置所消耗的功仅为输出功中的一小部分,因此,采用热泵技术可以节约大量高品位能源。当地热能与太阳能不能满足供暖需求时,启用热泵系统,提升这些低品味热能到达供暖需求。2) In order to ensure the reliability of system operation, the device comprehensively utilizes heat pump technology. Heat pump technology is a new energy technology that has attracted much attention in the world in recent years. When the heat pump is working, it consumes a part of the energy itself, excavates the energy stored in the environmental medium, and uses it by increasing the temperature through the heat transfer working medium circulation system, and the work consumed by the entire heat pump device is only a small part of the output work. , Therefore, the use of heat pump technology can save a lot of high-grade energy. When the local thermal energy and solar energy cannot meet the heating demand, the heat pump system is used to increase these low-grade heat energy to meet the heating demand.

3) 该装置设计过程中,充分考虑了系统运行的灵活性。通过阀门的切换,具有以下供暖模式:①地热单独承担用户热负荷;②地热与太阳能集热器串联承担用户供暖负荷;③ 地热与热泵机组串联承担用户供暖负荷;④地热、太阳能集热器和热泵机组串联承担用户供暖负荷。3) During the design process of the device, the flexibility of system operation has been fully considered. By switching the valve, it has the following heating modes: ① Geothermal alone undertakes the user’s heat load; ② Geothermal and solar collectors are connected in series to undertake the user’s heating load; ③ Geothermal and heat pump units are connected in series to undertake the user’s heating load; ④ Geothermal, solar collector and The heat pump units are connected in series to bear the heating load of the users.

4) 用户采用辐射板供暖,提高房间热舒适的同时也可降低热水的温度,提高系统的火用效率。4) The user uses radiant panels for heating, which not only improves the thermal comfort of the room, but also reduces the temperature of hot water and improves the exergy efficiency of the system.

附图说明Description of drawings

图1是发明的结构示意图。Fig. 1 is the structural representation of invention.

具体实施方式Detailed ways

    下面结合附图,对本发明作详细说明,如图1所示,本发明太阳能地热供暖装置,包括太阳能集热器1、储能换热器4、热泵机组3、水泵5、用户地暖辐射板2以及多个阀门6,其中储能换热器4设置在地表以下并与太阳能集热器1串联,储能换热器4的深度以地表以下20米—50米为宜,储能换热器4的出水口通过热泵机组3与用户地暖辐射板2的进水口连接,从而将太阳能集热器1储存在换热器4内的热源提供给用户地暖辐射板2,用户地暖辐射板2的出水口通过水泵5连接至太阳能集热器1的进水口,其中储能换热器1可以采用为换热盘管。Below in conjunction with the accompanying drawings, the present invention is described in detail, as shown in Figure 1, the solar geothermal heating device of the present invention includes a solar collector 1, an energy storage heat exchanger 4, a heat pump unit 3, a water pump 5, and a user floor heating radiant panel 2 And a plurality of valves 6, wherein the energy storage heat exchanger 4 is arranged below the surface and connected in series with the solar heat collector 1, the depth of the energy storage heat exchanger 4 is preferably 20 meters to 50 meters below the surface, and the energy storage heat exchanger The water outlet of 4 is connected to the water inlet of the user's floor heating radiant panel 2 through the heat pump unit 3, so that the heat source stored in the heat exchanger 4 by the solar collector 1 is provided to the user's floor heating radiant panel 2, and the outlet of the user's floor heating radiant panel 2 The water inlet is connected to the water inlet of the solar heat collector 1 through the water pump 5, wherein the energy storage heat exchanger 1 can be used as a heat exchange coil.

Claims (3)

1. solar ground heat heating device, it is characterized in that: comprise solar thermal collector (1), energy storage heat exchanger (4), source pump (3) and user's floor heating radiant panel (2), described energy storage heat exchanger (4) is arranged on below the face of land, the delivery port of described solar thermal collector (1) is connected with the water inlet of energy storage heat exchanger (4), the delivery port of energy storage heat exchanger (4) is connected with the water inlet of user's floor heating radiant panel (2) by source pump (3), and the delivery port that the water inlet of user's floor heating radiant panel (2) connects is connected to the water inlet of solar thermal collector (1) by a water pump (5).
2. solar ground heat heating device according to claim 1 is characterized in that: described energy storage heat exchanger (4) is a heat exchange coil.
3. solar ground heat heating device according to claim 1 and 2 is characterized in that: described energy storage heat exchanger (4) is arranged on following 20 meters-50 meters of the face of land.
CN 201010532517 2010-11-05 2010-11-05 Solar geothermal heating device Pending CN101943438A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102080886A (en) * 2011-02-23 2011-06-01 张瑞明 Device for storing energy by using soil
CN105546697A (en) * 2016-02-03 2016-05-04 天津市天友建筑设计股份有限公司 Super-low energy consumption storage and supply dual-purpose cold and heat simultaneous use air conditioner system
CN110630456A (en) * 2019-09-30 2019-12-31 鸿蒙能源(山东)有限公司 Photovoltaic and geothermal combined mining simulation test device
CN116557944A (en) * 2023-05-26 2023-08-08 国网陕西省电力有限公司电力科学研究院 A geothermally coupled photovoltaic solar thermal cross-seasonal energy storage system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1415923A (en) * 2002-08-08 2003-05-07 天津大学 Heating system of solar energy heat pump in type of accumulating heat by soil as well as method for supplying heat
CN101701733A (en) * 2009-12-04 2010-05-05 天津大学 Combined heating system of solar energy-ground source heat pump-floor radiant heating
CN201852202U (en) * 2010-11-05 2011-06-01 东南大学 Solar geothermal heating device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1415923A (en) * 2002-08-08 2003-05-07 天津大学 Heating system of solar energy heat pump in type of accumulating heat by soil as well as method for supplying heat
CN101701733A (en) * 2009-12-04 2010-05-05 天津大学 Combined heating system of solar energy-ground source heat pump-floor radiant heating
CN201852202U (en) * 2010-11-05 2011-06-01 东南大学 Solar geothermal heating device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《流体机械》 20091231 杨卫波等 太阳能-地源热泵系统运行特性的试验研究 52-57 1-3 第37卷, 第12期 2 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102080886A (en) * 2011-02-23 2011-06-01 张瑞明 Device for storing energy by using soil
CN105546697A (en) * 2016-02-03 2016-05-04 天津市天友建筑设计股份有限公司 Super-low energy consumption storage and supply dual-purpose cold and heat simultaneous use air conditioner system
CN105546697B (en) * 2016-02-03 2019-02-05 天津市天友建筑设计股份有限公司 A kind of super low energy consumption store for it is dual-purpose cold and hot and air-conditioning system
CN110630456A (en) * 2019-09-30 2019-12-31 鸿蒙能源(山东)有限公司 Photovoltaic and geothermal combined mining simulation test device
CN110630456B (en) * 2019-09-30 2022-02-22 鸿蒙能源(山东)有限公司 Photovoltaic and geothermal combined mining simulation test device
CN116557944A (en) * 2023-05-26 2023-08-08 国网陕西省电力有限公司电力科学研究院 A geothermally coupled photovoltaic solar thermal cross-seasonal energy storage system

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Application publication date: 20110112