CN112902465A - Solar heat utilization and underground building ventilation system based on pulsating heat pipe - Google Patents

Solar heat utilization and underground building ventilation system based on pulsating heat pipe Download PDF

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Publication number
CN112902465A
CN112902465A CN202110293069.8A CN202110293069A CN112902465A CN 112902465 A CN112902465 A CN 112902465A CN 202110293069 A CN202110293069 A CN 202110293069A CN 112902465 A CN112902465 A CN 112902465A
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CN
China
Prior art keywords
heat
air
solar
ventilation system
underground building
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Pending
Application number
CN202110293069.8A
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Chinese (zh)
Inventor
张东伟
周悦
谭棵
张帆
蓝梦啸
蒋二辉
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Zhengzhou University
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Zhengzhou University
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Publication date
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Priority to CN202110293069.8A priority Critical patent/CN112902465A/en
Publication of CN112902465A publication Critical patent/CN112902465A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
    • F24S10/95—Solar heat collectors using working fluids using internal thermosiphonic circulation having evaporator sections and condenser sections, e.g. heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S60/00—Arrangements for storing heat collected by solar heat collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems

Abstract

The invention discloses a solar heat utilization and underground building ventilation system based on a pulsating heat pipe. The heat collector in the solar heat utilization system introduces the pulsating heat pipe, so that the heat transfer efficiency is improved, and the complex working environment requirement of an underground building is met. The ventilation system of the underground building utilizes the heat collected by the heat collector to supply refrigeration and heat supply, realizes the functions of refrigeration and dehumidification in summer and heating in winter, and meets different requirements of human bodies on comfort levels in winter and summer. In summer, heat is supplied to adsorption refrigeration equipment to reduce the temperature of inlet air, the inlet air is subjected to flowing ventilation in an underground building after dehumidification, and the parallel flow heat pipe heat exchanger at the air outlet exchanges heat with air at the air inlet to recover cold energy; in winter, heat is supplied to the heat pump, the heated fresh air flows in the underground building, the air outlet exchanges heat with air at the air inlet, and waste heat is recovered. In addition, with the help of solar energy auxiliary heating, when natural ventilation condition is suitable, photovoltaic power generation provides the electric energy to outside, and is high-efficient, the low energy consumption, and the practicality is strong, and is with low costs, practices thrift the environmental protection.

Description

Solar heat utilization and underground building ventilation system based on pulsating heat pipe
Technical Field
The invention relates to the field of new energy utilization, in particular to a solar heat utilization, solar power generation and underground building ventilation system based on a pulsating heat pipe.
Background
The development and utilization of underground space are key to solve the problems of urban land shortage, traffic congestion and the like; and a green underground space is built, and an important measure for sustainable development is realized. The underground space is closed and dim, the ventilation and lighting conditions are very harsh, the windowing is limited, the introduction of natural light and the air flow are not as free as the above-ground buildings, the comfort level of a human body is greatly reduced when the underground space is in a wet state for a long time, an excellent living environment is provided for various moulds, metal is corroded, the normal use of equipment is seriously influenced, even the structure of the building is influenced, and potential safety hazards are brought; in winter, the air introduced into the underground building needs to be heated so as to meet the requirement of human comfort.
The prior art mainly depends on natural ventilation and mechanical ventilation, the former has unstable effect and is greatly influenced by weather factors, and the latter has high energy consumption, high noise and pollution. Therefore, the utility model is based on the pulsating heat pipe, and utilizes solar energy to realize the ventilation function of refrigeration and dehumidification in summer and heating in winter of the underground building.
Disclosure of Invention
The invention aims to provide a solar heat utilization and underground building ventilation system based on pulsating heat pipes. The solar heat collector introduces the pulsating heat pipe structure, realizes the high-efficient transfer of heat, compares in natural draft, and the ventilation effect is strengthened, compares in mechanical draft, and the energy consumption reduces, and is clean pollution-free.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a solar thermal energy utilization and underground building ventilation system based on pulsating heat pipe which characterized in that: the solar heat utilization system is composed of a solar heat collector based on a pulsating heat pipe technology, a heat storage device, a temperature sensor, an auxiliary heat source and a power supply system, and realizes dehumidification and illumination effects on the underground building in winter and summer; the underground ventilation system consists of adsorption refrigeration equipment, an air source heat pump and a parallel flow heat pipe heat exchanger, and solves the problems of power supply of underground buildings and energy consumption of traditional mechanical ventilation of underground building spaces based on the collection and utilization of solar energy by pulsating heat pipes. Wherein (1) the solar heat collector adopts (9) pulsating heat pipes, which is beneficial to improving the heat transfer efficiency.
The temperature sensor detects the temperature of the underground building, and when the temperature reaches a certain value, the heat storage device provides heat for the ventilation system of the underground building.
The solar heat utilization system based on the pulsating heat pipe is characterized in that the solar heat collector introduces a pulsating heat pipe structure, optimizes the structure of the solar heat collector and changes the placement angle of the solar heat collector, enhances the heat transfer efficiency of the solar heat collector, and realizes the functions of supplying energy and power for an underground building ventilation system.
The power supply system is characterized in that solar energy and photovoltaic power generation are utilized, illumination of underground buildings is achieved through the LED lamps, and utilization efficiency of energy is improved.
Gain effect of the invention
(1) According to the invention, solar energy is utilized for power generation, and energy is collected and stored through the temperature sensor, so that the air of the underground building is refrigerated and dehumidified in summer and heated in winter.
(2) The solar photovoltaic power generation system uses solar energy, performs photovoltaic power generation, utilizes new energy, improves the energy utilization rate, and achieves the purposes of energy conservation and emission reduction.
(3) Compared with the traditional heat exchange equipment, the invention has the advantages of simple structure, low cost and good heat transfer effect by using the pulsating heat pipe structure, so that the energy consumption of a ventilation system is reduced, and the heat transfer efficiency is increased.
(4) The change of the placement inclination angle of the pulsating heat pipe can meet the requirements of complex and variable working environments.
Detailed Description
This use is novel mainly to be applicable to the refrigeration dehumidification in summer and the heating in winter, will carry out implementation mode and workflow with regard to above two kinds of condition below and specifically clarify.
1. Operation in summer:
(1) air inlet: the heat provided by the solar heat storage is supplied to the adsorption refrigeration equipment to generate air with lower temperature, and the air enters the air inlet after being dehumidified.
(2) An air outlet: the heat exchange between the heat exchanger and the air at the air inlet is realized by utilizing the parallel flow heat pipe, and the cold energy in the exhaust is recovered.
2. Operation in winter:
(1) air inlet: the air source heat pump utilizes the heat provided by the air to heat the underground space, and solar energy is added to assist in providing heat to heat the cold air sinking at the air inlet.
(2) An air outlet: the heat exchanger of the parallel flow heat pipe is used for exchanging heat with air at the air inlet to recover waste heat in exhaust.
Drawings
FIG. 1 is a schematic diagram of a solar thermal energy utilization and underground building ventilation system based on pulsating heat pipes in accordance with the present invention. Wherein: 1. a solar heat collector; 2. a heat storage device; 3. a temperature sensor; 4. an auxiliary heat source; 5. a power supply system; 6. an adsorption refrigeration apparatus; 7. an air source heat pump; 8. a parallel flow heat pipe heat exchanger; 9. pulsating heat pipes; 10. a water circulating pump; 11. an air inlet; 12. air vents (dotted lines indicate underground space).

Claims (7)

1. Solar thermal energy utilization and underground building ventilation system based on pulsating heat pipe, its characterized in that: the solar heat utilization system consists of (1) a solar heat collector (2), a heat storage device (3), an auxiliary heat source (4) and a power supply system (5), and realizes the functions of heating in winter, refrigerating in summer, dehumidifying and illuminating the underground building; the underground ventilation system consists of (6) an adsorption type refrigerating device (7), an air source heat pump (8) and a parallel flow heat pipe heat exchanger, and solar energy is collected and utilized based on a pulsating heat pipe to solve the problems of power supply of an underground building and large energy consumption of traditional mechanical ventilation of an underground building space. In addition, the solar heat collector (1) of the system adopts a pulsating heat pipe (9), so that the heat transfer efficiency is improved.
2. Solar thermal utilization and underground building ventilation system based on pulsating heat pipe as claimed in claim 1, characterized in that the solar thermal utilization system is composed of (1) solar heat collector, (2) heat storage device, (3) temperature sensor (4) auxiliary heat source and (5) power supply system. The heat collected by the solar heat collector is automatically adjusted by the temperature sensor (3), so that the ventilation system of the underground building can be reasonably supplied with energy and power for illumination.
3. Solar thermal utilization and underground building ventilation system based on pulsating heat pipes as claimed in claim 1, characterized in that the underground ventilation system consists of (6) an adsorption refrigeration plant, (7) an air source heat pump and (8) a parallel flow heat pipe heat exchanger. At the air inlet, heat provided by solar heat storage is supplied to the adsorption refrigeration equipment (6) to generate air with lower temperature, so that the effect of air dehumidification is achieved. At the air outlet, when the device runs in summer, (8) the heat exchanger of the parallel flow heat pipe exchanges heat with the air at the inlet, and the cold energy in the exhaust is recovered; when the device runs in winter, the parallel flow heat pipe heat exchanger and inlet air exchange heat, and waste heat in exhaust gas is recovered.
4. The solar heat utilization and underground building ventilation system based on the pulsating heat pipe as claimed in claim 2, wherein (1) the solar heat collector is characterized in that (1) the solar heat collector introduces (9) the pulsating heat pipe structure, and the solar heat collector accelerates the collection of solar energy by utilizing the advantages of high-efficiency heat transfer and high flexibility of the pulsating heat pipe, is green and environment-friendly and meets the placement requirements of different environments.
5. The solar heat utilization and underground building ventilation system based on the pulsating heat pipe as claimed in claim 3, wherein the underground ventilation system is characterized in that (6) the adsorption refrigeration equipment can fully utilize low-grade heat energy to achieve the effect of reducing temperature.
6. The solar heat utilization and underground building ventilation system based on the pulsating heat pipe as claimed in claim 3, wherein the underground ventilation system is characterized in that (7) the cold and heat sources of the air source heat pump are integrated, and the effective use area of the building can be reduced at any arrangement position. In addition, the modularized control system adopted in the air source heat pump (7) can intelligently realize the conversion from low-grade energy to high-grade energy in the air through the operation state of the computer automatic adjusting unit, so as to heat cold air, and no cooling water is consumed in the process.
7. An underground ventilation system as claimed in claim 3 wherein (8) the parallel flow heat pipe heat exchanger exchanges heat with the inlet air to recover the cold in the exhaust air during operation of the apparatus in summer; when the device operates in winter, the waste heat in the exhaust gas is recovered through heat exchange with inlet air.
CN202110293069.8A 2021-03-18 2021-03-18 Solar heat utilization and underground building ventilation system based on pulsating heat pipe Pending CN112902465A (en)

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CN202110293069.8A CN112902465A (en) 2021-03-18 2021-03-18 Solar heat utilization and underground building ventilation system based on pulsating heat pipe

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117213033A (en) * 2023-09-25 2023-12-12 北方工业大学 Solar fresh air heat recovery device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201448963U (en) * 2009-04-28 2010-05-05 樊德玺 Solar underground ventilation device
CN103512275A (en) * 2013-10-29 2014-01-15 安徽理工大学 Heat storage type solar ground source heat pump
CN203980125U (en) * 2014-07-31 2014-12-03 天津栋天新能源科技有限公司 A kind of new forms of energy underground lighting device
CN108386933A (en) * 2018-01-09 2018-08-10 湘潭大学 Rural area in Hunan Province residential housing solar energy-ground thermal energy composite energy supply system
CN108917063A (en) * 2018-08-20 2018-11-30 河北工业大学 The cold, heat and power triple supply system provided multiple forms of energy to complement each other is built for only suitable for villages and small towns
CN111237936A (en) * 2020-01-16 2020-06-05 西安建筑科技大学 Device and method for improving natural lighting and ventilation of basement
CN111473431A (en) * 2020-05-31 2020-07-31 郑州大学 Solar dehumidification system for underground space

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201448963U (en) * 2009-04-28 2010-05-05 樊德玺 Solar underground ventilation device
CN103512275A (en) * 2013-10-29 2014-01-15 安徽理工大学 Heat storage type solar ground source heat pump
CN203980125U (en) * 2014-07-31 2014-12-03 天津栋天新能源科技有限公司 A kind of new forms of energy underground lighting device
CN108386933A (en) * 2018-01-09 2018-08-10 湘潭大学 Rural area in Hunan Province residential housing solar energy-ground thermal energy composite energy supply system
CN108917063A (en) * 2018-08-20 2018-11-30 河北工业大学 The cold, heat and power triple supply system provided multiple forms of energy to complement each other is built for only suitable for villages and small towns
CN111237936A (en) * 2020-01-16 2020-06-05 西安建筑科技大学 Device and method for improving natural lighting and ventilation of basement
CN111473431A (en) * 2020-05-31 2020-07-31 郑州大学 Solar dehumidification system for underground space

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117213033A (en) * 2023-09-25 2023-12-12 北方工业大学 Solar fresh air heat recovery device
CN117213033B (en) * 2023-09-25 2024-03-05 北方工业大学 Solar fresh air heat recovery device

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