CN112228948A - Surface air heat energy development method and application thereof - Google Patents
Surface air heat energy development method and application thereof Download PDFInfo
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- CN112228948A CN112228948A CN202011073276.4A CN202011073276A CN112228948A CN 112228948 A CN112228948 A CN 112228948A CN 202011073276 A CN202011073276 A CN 202011073276A CN 112228948 A CN112228948 A CN 112228948A
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- heat
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Classifications
-
- 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
- F24D15/04—Other domestic- or space-heating systems using heat pumps
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/10—Details of absorbing elements characterised by the absorbing material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/60—Thermal insulation
- F24S80/65—Thermal insulation characterised by the material
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
-
- 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
- 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
Abstract
The invention discloses a method for developing surface air heat energy, which comprises the following specific steps: extending 4-5m from the underground floor of a newly-built house or a building to form an installation space, wherein the edge of the installation space is provided with a reinforcing wall; at least one heat source energy pump is arranged in the installation space, and the heat source energy pump absorbs heat sources of the underground unfrozen soil layer to convert heat energy. The natural energy heating method for the severe cold area provided by the invention utilizes the original land. The air energy heat source pump can directly suck the air heat source of the underground non-frozen soil layer, the air energy heat source pump can pump the air heat source of the underground non-frozen soil layer, the air energy heat source pump can generate heat energy which is 4 times larger than that generated by electricity directly in an environment below zero degree of the above-ground space, the solar heat collecting plate is matched to collect solar energy in a sunny day, and the air energy heat source pump is used for directly sucking the air heat source of the underground non-frozen soil layer to heat the building at night and in a cloudy day.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a method for developing surface air heat energy and application thereof.
Background
The air energy heat source pump technology is an energy-saving and environment-friendly heating technology established on the basis of the reverse Carnot cycle principle, obtains a low-temperature heat source through natural energy (air heat storage), and becomes a high-temperature heat source after efficient heat collection and integration of a system for heating or supplying hot water, and the heat collection efficiency of the whole system is high. At present, an air energy heat source pump is used in a severe cold area, the outdoor temperature is low, the heat supply of the air energy heat source pump is insufficient, the application reliability is poor, and due to the low outdoor temperature, the compression ratio of a compressor is large, the exhaust temperature is high, and a unit cannot normally operate.
In addition, the solar heating engineering in the solar energy utilization field is environment-friendly, and the Heilongjiang is a forbidden area and is considered to be incapable of using solar energy in severe cold weather. In fact, the Heilongjiang is cold in winter because the latitude of the Heilongjiang has short sunshine time. The existing solar heat collector is not designed and manufactured by using the latitude of solar energy. The heat collecting pipes in the heat collector have small heating area and small volume in the pipes, and the solar heat collector can not receive and conduct all the generated heat energy in the time of effectively receiving the high-intensity radiation of the sun at noon. The solar heat collector can be used in the south without considering the receiving and the conducting of the heat collecting tube, the north is different, and the sunshine time in winter in the north of Heilongjiang is short. The collector must receive and transfer the heat energy collected by the solar collector to the heat storage through the heat collecting tube. And the existing heat collectors are not well insulated, so that the heat energy collected by the heat collectors cannot be completely received and conducted out in time and is dissipated and exhausted in the external severe cold weather.
Therefore, it is an urgent need to solve the problems of the art to provide a method for developing surface air heat energy and its application in severe cold regions.
Disclosure of Invention
The invention provides a method for developing surface air heat energy and application thereof, wherein the method comprises the steps of utilizing original land, enabling an air energy heat source pump to directly absorb an underground non-frozen soil layer air heat source, enabling the air energy heat source pump to absorb the underground non-frozen soil layer heat source, enabling the air energy heat source pump to generate heat energy which is 4 times larger than electricity to directly generate heat in an environment below zero degree of an overground space, and in the application of heating, a solar heat collecting plate is additionally arranged to collect solar energy in a sunny day, and the air energy heat source pump is used for directly absorbing the underground non-frozen soil layer air heat source in the evening and cloudy day to heat in a building.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for developing surface air heat energy comprises the following specific steps: extending 4-5m from the underground floor of a newly-built house or a building to form an installation space, wherein the edge of the installation space is provided with a reinforcing wall;
at least one heat source energy pump is arranged in the installation space, and the heat source energy pump absorbs heat sources of the underground unfrozen soil layer to convert heat energy.
The invention utilizes the original land, the air energy heat source pump directly absorbs the air heat source of the underground non-frozen soil layer, and the air energy heat source pump can generate heat energy which is 4 times larger than that generated by electricity directly in the environment above the zero degree of the underground space.
Preferably, the air energy heat source pump is a 50-stage heat source pump, and the floor area of each heat source pump is 80-120m2The occupied space is 380-3。
The 50-P heat source energy pump can work normally under the conditions of underground temperature of 5-10 ℃ and outdoor temperature of-30 ℃, consumes 42W in the environment of underground temperature of-7 ℃ and can heat 178W; the same 50-piece heat source energy pump is arranged under the condition of 30 ℃ below zero outdoors, the electricity consumption of 37W can heat 73.6W, and the electricity per degree of the technical scheme of the invention is 2.228 times of the heat production quantity outdoors.
The application of the method in the field of heating in severe cold areas comprises the following steps:
(1) an air energy heat source pump is used underground to absorb an air heat source of the non-freezing layer for heating;
(2) and the solar heat collecting plate is adopted on the ground to absorb solar radiation for heating.
The invention utilizes the air energy heat source pump to directly absorb the air heat source of the underground non-frozen soil layer on one hand, and then is matched with the solar heat collecting plate to collect solar energy in sunny days on the other hand, and utilizes the air energy heat source pump to directly absorb the air heat source of the underground non-frozen soil layer for heating in buildings at night and in cloudy days.
Preferably, the solar heat collecting plate is arranged on a building body, and the area of the solar heat collecting plate accounts for 8-12% of the total building surface of the heating building;
the installation position of the solar heat collecting plate is determined according to the solar radiation distribution rule and the radiation quantity.
The solar heat collecting plate is arranged in an overhead manner at a high position which does not influence the normal use of the ground, so that the solar heat collecting plate can reach about 10 percent of the total surface of the building of the heating building, and the heating capacity of the solar heat collecting plate is ensured.
Preferably, the solar heat collecting plate is subjected to heat preservation treatment.
Preferably, the heat preservation treatment specifically includes: the upper surface of the solar heat collecting plate is insulated by adopting hollow toughened glass and is used for receiving solar radiation and insulating heat; the lower surface adopts a heat absorption film to cover the heat collection plate; the bottom is made of phenolic foam heat-insulating material; the shell is made of galvanized sheet.
The heat of 60-75 ℃ continuously generated in the solar heat collector in the strongest solar radiation time at noon is completely received and quickly transferred into the hot water storage device, and the heat energy received by the heat collector can be effectively preserved heat and is not received and transferred out, so that the heat of the heat collector body is not lost.
Preferably, the hollow toughened glass comprises three layers of plastic steel windows.
The invention adopts three layers of plastic steel windows to better receive solar radiation and preserve heat.
Preferably, in the solar heat collecting plate, the diameter of a transverse pipe of the heat collecting pipe is 32-40mm, the diameter of a vertical pipe is 25-32mm, and the number of the vertical pipes is 16-20 pipes/m2。
The heating area of the vertical pipe adopted by the invention is larger than the lighting area of the heat collecting box body, the vertical pipe mainly considers the heating area and the volume of the conducting medium, the heating time is remained in the solar heat collecting box, and the horizontal pipe mainly considers the heat medium in the vertical pipe to be conveyed into the hot water storage device.
Compared with the prior art, the natural energy heating method for the severe cold area disclosed by the invention has the following beneficial effects that:
(1) the method comprises the steps that an air energy heat source pump is used for directly sucking an air heat source of an underground non-frozen soil layer by utilizing the original land, the air energy heat source pump is used for sucking the air heat source of the underground non-frozen soil layer, the air energy heat source pump can generate heat energy which is 4 times larger than the heat generated by electricity directly in an environment below zero degree of the above-ground space, a solar heat collecting plate is used for collecting solar energy in a fine day, and the air energy heat source pump is used for directly sucking the air heat source of the underground non-frozen soil layer for heating in the; the solar heat collecting plate is subjected to heat preservation treatment, so that the heat energy received by the heat collector can be effectively preserved, and the heat energy is not received and conducted out, so that the heat of the heat collector body is not lost.
(2) Through the technical scheme of the invention, the heating method of burning firewood, burning coal, burning gas, electric heating and the like in the severe cold area is changed, and two technologies of the air energy heat source pump and the solar heat collecting plate can be used in the severe cold area of Heilongjiang, and reach a better level, so that a very high economic value is obtained.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides a method for developing surface air heat energy, which comprises the following specific steps: digging 4-5m underground layer of newly-built house or building, hollowing, placing 50 heat source energy pumps, making maintenance wall around, and making no measure on ground surface, wherein the floor area of the heat source energy pump is 80-120m2The occupied space is 380-3The heat energy pump can directly absorb the heat source of the underground unfrozen soil layer to convert heat energy;
wherein, by Shandong province energy-saving technology research institute, 50P air energy heat pumps ETAEH160-AGH of a achievement conversion base produce water at 40 degrees, generate heat at 178kw, input electricity at 42.2kw, 4.22 times of heat efficiency and electricity at 7/6 degrees, and produce water at 40 degrees, generate heat at 73.6kw, input electricity at 37kw, and heat efficiency is 1.99 times of electricity at-30 degrees.
Example 2
The embodiment provides a heating method for a severe cold area, which comprises the following steps:
(1) an air energy heat source pump is used underground to absorb an air heat source of the non-freezing layer for heating; the specific operation is that the underground layer of a newly-built house or a building is dug to 4m and hollowed, a plurality of heat source energy pumps are placed, maintenance walls are arranged on the periphery, no measures are taken on the ground, the air energy heat source pump is a heat source energy pump with the volume of 50, and the floor area of each heat source energy pump is 100m2Occupying space of 400m3；
(2) The solar heat collecting plate is adopted on the ground to absorb solar radiation for heating; the specific operation is as follows: the solar heat collecting plate is subjected to heat preservation treatment, and the specific operation of the heat preservation treatment is as follows: the upper surface of the solar heat collecting plate is insulated by three layers of hollow toughened glass of a plastic steel window for receiving solar radiation and preserving heat; the lower surface is covered with a heat absorption film to collect the heat plate; the bottom is made of phenolic foam heat-insulating material; the shell adopts the galvanized sheet, and among the solar panel, the diameter of violently managing of thermal-collecting tube is 35mm, and the standpipe diameter is 28mm, and standpipe quantity is 18 per square meter, and solar panel installs in the good place of building body daylighting, and the area is 10% of heating building total face. The building body is arranged in and around the building, the place with good lighting and close to the air heat source chamber of the underground unfrozen soil layer is selected, and the solar heat collecting plate is arranged in an overhead manner at a high place without influencing the normal use of the ground, so that the total area of the building of the heating building is 10 percent.
The standard for checking whether all the solar radiation heat energy received by the heat collector is received and conducted out is as follows: if the heat transfer medium in the heat collecting tube of the heat collector does not flow, the temperature in the heat collector can reach 75 ℃. After the conduction medium in the heat collecting pipe flows, the temperature in the heat collector is always reduced and kept within the usable temperature of about 40 ℃. This means that the heat energy generated by the collector is fully received by the collector tube and conducted to the hot water reservoir during the available daylight hours. The hot water storage is also configured with a considerable amount of storage to store the heat generated by the solar collector.
The air energy heat pump is utilized in the northeast winter, and the underground space technology is combined, so that the heat energy collection can be improved by more than 2 times. High efficiency, energy saving, no pollution and zero emission. The underground air energy heat source and the overhead solar energy heat source are effectively combined and utilized, and a complete natural energy heating scheme is configured. The natural energy heating technology which is really realized, low in cost, high in heat yield, zero in emission and free of pollution is finished in the history of heating in severe cold areas by using coal and gas.
Under the condition that the solar heat collecting plate is not provided with a heat preservation measure, the solar heat collecting plate receives solar radiation heat of 70 degrees in the same way as the above, the effective heat transfer to the outside is 30 degrees in 1h, the heat preservation measure receives solar radiation heat of 70 degrees in the same way, the effective heat transfer to the outside is 50 degrees in 1h, and the working efficiency of the two solar plates is 20 degrees.
In conclusion, the invention utilizes the original land, the air energy heat source pump directly absorbs the air heat source of the underground non-frozen soil layer, the air energy heat source pump can generate heat energy which is 4 times larger than the direct heat generation of electricity in the environment below zero degree of the above-ground space, the solar energy heat collecting plate is then matched to collect solar energy in a sunny day, and the air energy heat source pump is used for directly absorbing the air heat source of the underground non-frozen soil layer for heating in a building at night and in a cloudy day; the solar heat collecting plate is subjected to heat preservation treatment, so that the heat energy received by the heat collector can be effectively preserved, and the heat energy is not received and conducted out, so that the heat of the heat collector body is not lost.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A method for developing surface air heat energy is characterized by comprising the following specific steps: extending 4-5m from the underground floor of a newly-built house or a building to form an installation space, wherein the edge of the installation space is provided with a reinforcing wall;
at least one heat source energy pump is arranged in the installation space, and the heat source energy pump absorbs heat energy converted from a heat source of the underground unfrozen soil layer.
2. The method for developing surface air heat energy according to claim 1, wherein the air energy heat source pumps are 50 heat source energy pumps, and each heat source energy pump occupies an area of 80-120m2The occupied space is 380-3。
3. Use of the method according to claim 1 or 2 for heating in cold regions, comprising the following steps:
(1) an air energy heat source pump is used underground to absorb an air heat source of the non-freezing layer for heating;
(2) and the solar heat collecting plate is adopted on the ground to absorb solar radiation for heating.
4. Use according to claim 3, wherein the solar collector panel is insulated.
5. The application according to claim 3, wherein the incubation treatment specifically comprises: the upper surface of the solar heat collecting plate is insulated by adopting hollow toughened glass and is used for receiving solar radiation and insulating heat; the lower surface adopts a heat absorption film to cover the heat collection plate; the bottom is made of phenolic foam heat-insulating material; the shell is made of galvanized sheet.
6. The use according to claim 5, wherein the hollow tempered glass comprises three layers of plastic-steel window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011073276.4A CN112228948A (en) | 2020-10-09 | 2020-10-09 | Surface air heat energy development method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011073276.4A CN112228948A (en) | 2020-10-09 | 2020-10-09 | Surface air heat energy development method and application thereof |
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