CN105698243B - A kind of and integrated heating system of Greenhouse building - Google Patents
A kind of and integrated heating system of Greenhouse building Download PDFInfo
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- CN105698243B CN105698243B CN201610157695.3A CN201610157695A CN105698243B CN 105698243 B CN105698243 B CN 105698243B CN 201610157695 A CN201610157695 A CN 201610157695A CN 105698243 B CN105698243 B CN 105698243B
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- temperature
- heat
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- 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
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
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- 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
- F24D11/00—Central heating systems using heat accumulated in storage masses
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- 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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
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- 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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1042—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
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- 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
- Y02A30/60—Planning or developing urban green infrastructure
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- 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
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- 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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- 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 kind of and integrated heating systems of Greenhouse building, which includes: active heat collector, thermal isolation and heat storage water tank, assisted heating device, solar protection devices, delivery pipeline, radiator and temperature sensing control device；Active heat collector is made of fresnel lens array, lens array skeleton and absorber；Roof and Greenhouse building form one between active heat collector is mounted on greenhouse buffering；Thermal isolation and heat storage water tank is placed in greenhouse buffering, and using stainless steel inner container, intermediate urethane spray coating heat preservation, outside adds color steel plate；Assisted heating device is located in thermal isolation and heat storage water tank.Heating system of the present invention fully can collect and utilize solar radiant heat, substitute the heating system of traditional coal-burning boiler, and heating process does not generate any pollution；The hot water storage tank of heating system of the present invention can make water keep higher temperature in night heat release；Heating system of the present invention is cheap.
Description
Technical field
The present invention relates to agricultural engineering technology fields, are more particularly to a kind of and integrated heating system of Greenhouse building.
Background technique
Suitable temperature is the necessary factor for guaranteeing plant growth, and the temperature of inside greenhouse is influenced vulnerable to the external world, winter warp
Often occur not being able to satisfy the low temperature phenomenon of plant growth requirement.In the greenhouse of some special designings, it is easier to this feelings occur
Condition.For example, the yin-yang greenhouse of emerging development in recent years is not directly available the sun since its yin canopy is in the in the shade face of north orientation
Heat radiation, therefore the temperature in winter yin canopy is lower than common heliogreenhouse.In the winter of northern China, how in cold
Under outdoor weather condition, guarantees that greenhouse remains adapted to the temperature condition of plant growth, be most heavy in Design of Greenhouse, construction and use
The problem of wanting.
Traditional greenhouse heating mode generallys use coal-burning boiler heating, and to improve room temperature, this heating method is not
Only investment and operating cost height, low efficiency, but also a large amount of pernicious gas can be generated, it pollutes the environment.
Relevant information shows that China is the country of solar energy resources very abundant, 2/3rds national territorial area year sunshine
For amount at 2200 hours or more, annual radiant all quality about at annual 3340~8360MJ/ square metres, was equivalent to 110~250kg standard
Coal/square metre.From the point of view of the distribution of national sun annual radiant all quality, Tibet, Qinghai, Xinjiang, Southern Nei Mongol, Shanxi, Shaanxi
The solar radiation total amount of the wide geographic areas such as the north, Hebei, Shandong, Liaoning, Technique in Western Jilin Province is very big.
If this inexhaustible, nexhaustible clean reproducible energy of solar energy can be made good use of, mentioned for hothouse production
For heating, it will greatly reduce to coal-fired dependence, realize the energy-efficient production in greenhouse.
In addition, the heating system and Greenhouse building by integrated design combine, Greenhouse building can be effectively utilized
The roof space, in appearance can with building harmony, advantageously form personnalité Greenhouse building artistic image.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is to how fully collect and utilize solar radiant heat, it is coal-fired to substitute tradition
The heating system of boiler, heating process do not generate any pollution；How solar radiant heat is fully absorbed, can effectively save the energy,
Realize that the low-carbon energy-saving in greenhouse efficiently produces；The heating system and Greenhouse building for how making integrated design combine, effectively
Using the roof space of Greenhouse building, in appearance with building harmony, personnalité Greenhouse building art is advantageously formed
Image；How automation control is used, is conducive to accurately control the indoor subenvironment of temperature；How thermal isolation and heat storage makes night heat release,
Continue the water in heating water tank, water is made to keep higher temperature, saves the energy；And it is convenient for changing component, reduce cost；To
A kind of and integrated heating system of Greenhouse building is provided.
(2) technical solution
It is described in order to solve the above-mentioned technical problems, the present invention provides a kind of and integrated heating system of Greenhouse building
System includes: active heat collector, thermal isolation and heat storage water tank, assisted heating device, solar protection devices, delivery pipeline, heat dissipation dress
It sets and temperature sensing control device；Active heat collector is made of fresnel lens array, lens array skeleton and absorber；
(management house) roof and Greenhouse building form one between active heat collector is mounted on greenhouse buffering, for collecting, assembling and inhale
Receive solar radiant heat；(management house) is interior between thermal isolation and heat storage water tank is placed on greenhouse buffering, using stainless steel inner container, intermediate urethane
Bed course is kept the temperature, outside adds color steel plate, for storing the hot water of active heat collector heating；Assisted heating device is located at heat preservation and stores
In boiler, for guaranteeing round-the-clock hot water supply；Solar protection devices is by semicircle light steel skeleton, sunshade curtain and driving machine
Composition keeps the sun off when being mainly used for excessively high summer temp or maintenance；Delivery pipeline is used to convey heat into greenhouse
Water；Radiator is for promoting the indoor soil ground temperature of temperature and warm indoor air temperature；Temperature sensing control device is passed by temperature
Sensor, solenoid valve, temperature controller and water circulating pump composition, solenoid valve are connected with temperature controller and water circulating pump,
When reaching certain temperature requirement, control opening or closing for solenoid valve and water circulating pump, thus realize greenhouse heat supply from
Dynamicization control.
Preferably, the lens array skeleton is the interlaced net for forming fixation of light steel skeleton by semicircle spherical shape
Lattice, ironware pre-buried on roof is connected array backbone directly between greenhouse buffering.
Preferably, the fresnel lens array is to inlay multiple luxuriant and rich with fragrance alunites in the light steel skeleton grid of semicircle spherical shape
That lens, lens focus are located at absorber surface, and focal length is distance of the Fresnel Lenses to absorber surface tangent line.
Preferably, the absorber is that empty container in hemispherical is fabricated to using steel plate, and outside applies solar selectively
Coating；The external cold water inlet of absorber and hot water outlet pipe.
Preferably, between greenhouse buffering, position is located at greenhouse side, and roofing uses flat roof, and roof boarding uses
Armoured concrete slab, active heat collector are mounted on roof boarding, and polyurethane is arranged between active heat collector and roof boarding and protects
Warm bed course.
Preferably, additional layer steel plate again outside the liner of the thermal isolation and heat storage water tank, using storing between two-layered steel plates
Hot material filling.
Preferably, the assisted heating device is located in thermal isolation and heat storage water tank, using Electric heating；Work as thermal isolation and heat storage
It when water temperature in water tank is lower than certain limit value, can automatically turn on, for guaranteeing round-the-clock hot water supply；When thermal isolation and heat storage water tank
When interior water temperature is higher than certain limit value, it can be automatically closed to save the energy；The assisted heating device using manually opened and
Automatically turn on two ways.
Preferably, the solar protection devices is mounted on the outside of active heat collector, and semicircle light steel skeleton radical is three,
Sunshade curtain is connected by card slot with circlip with light steel skeleton, is rotated using the diameter of active heat collector as rotation axis,
The mode of rotation is using the driving of manual or gear driving machine.
Preferably, temperature sensor is set in the active heat collector water outlet and thermal isolation and heat storage water tank, works as collection
When hot water temperature reaches the temperature of setting in thermal, hot water is discharged into thermal isolation and heat storage by the starting of temperature controller order solenoid valve
In water tank, the water temperature in thermal isolation and heat storage water tank is promoted；When water temperature is lower than the temperature set in heat collector, temperature controller life
It enables solenoid valve start, water is discharged into thermal isolation and heat storage water tank, realize evacuation and anti-freezing.
Preferably, when the water level in the thermal isolation and heat storage water tank reaches the upper limit position of setting, solenoid valve is closed；Work as master
When the temperature difference of hot water temperature and the water in thermal isolation and heat storage water tank reaches the upper limit of setting in dynamic heat collector, water circulating pump starting,
Promote the water temperature in thermal isolation and heat storage water tank；When hot water temperature in active heat collector and the temperature difference of the water in thermal isolation and heat storage water tank reach
To setting lower limit when, water circulating pump stops working.
(3) beneficial effect
Heating system of the present invention fully can collect and utilize solar radiant heat, substitute the heating system of traditional coal-burning boiler
System, heating process do not generate any pollution；Heating system of the present invention can fully absorb solar radiant heat, can effectively save energy
Source realizes that the low-carbon energy-saving in greenhouse efficiently produces；Heating system and Greenhouse building by integrated design combine, Ke Yiyou
The roof space using Greenhouse building of effect can advantageously form personnalité greenhouse with building harmony in appearance
Art of architecture image；Using automation control, be conducive to accurately control the indoor subenvironment of temperature；It is easily changed component, cost phase
It compares less expensive；Thermal isolation and heat storage water tank can continue the water in heating water tank in night heat release, and water is made to keep higher temperature,
Save the energy.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is greenhouse south elevation schematic diagram；
Fig. 2 is greenhouse side elevation schematic diagram；
Fig. 3 is greenhouse roof schematic diagram；
Fig. 4 is greenhouse management room and active heat collector schematic diagram；
Fig. 5 is heating system operation logic figure of the present invention；
Appended drawing reference: 1, fresnel lens array, 2, absorber, 3, solar protection devices, between 4, greenhouse buffering (management house), 5,
Greenhouse, (management house) deck, 7, manual or gear driving machine between 6, greenhouse buffering, 8, polyurethane heat-insulation bed course, 9, guarantor
Intermediate temperature regenerator water tank.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
The volume of fresnel lens array size and absorber in the present invention and the roofing area in greenhouse are related, below
By taking ordinary greenhouse as an example, the calculation method of relationship between foregoing invention design medium temperature chamber's heat supply total load and absorber volume is illustrated
With step:
(1), heating total heat duties in greenhouse calculate:
The heating total heat duties in greenhouse calculate according to the following formula:
Q=a1a2Q1+Q2+Q3 (1-1)
In formula: Q-greenhouse heating total heat duties (W)；
A1-greenhouse structure additional coefficient；1.0 can be taken for the positive canopy of heliogreenhouse, 1.02 can be taken for negative canopy；
A2-wind-force additional coefficient；Related with wind speed, general wind speed is that 6.71m/s can take 1.0, wind speed 15.65m/s
1.16 can be taken, centre takes difference to calculate；
The basic heat output in Q1-greenhouse (W)；
Q2-greenhouse Air Infiltration thermic load (W)；
Q3-greenhouse ground heat output (W)；
(2), the calculating of absorber volume:
When heat-supplying system design thermic load and confession, return water temperature have determined, then to meet required for total heat duties
Hot water flow (internal circulating load) are as follows:
G=3.6Q/ (T1-T2) C (2-2)
In formula: Q-greenhouse heating total heat duties (W)；
T1-feed pipe temperature (DEG C)；Experimental data of the present invention shows to take 95 DEG C
T2-outlet pipe temperature (DEG C)；Experimental data of the present invention shows to take 60 DEG C
C-water specific heat, 4.1868 (Jkg-1 DEG C -1)；
Parameters substitution (2-2) is obtained:
G=0.021129Q (3-3)
Assuming that fair weather in winter, absorber of the present invention can work from morning 9:00 to 3:00 in afternoon, small according to 6
When calculate, in this 6 hours, the solar radiation heat that the space heating load in greenhouse is absorbed by absorber is undertaken, remaining time is not
Foot point is met by auxiliary thermal source.
So the day hot water yield of absorber should be 6 hours hot water global cycle amounts are as follows: V6=6*0.021129Q=
0.1267Q
It is proved by a large number of experiments, the present invention is in the thermal-arrest of Heating Period, heat accumulation and the overall efficiency of heat supply in 0.35-0.45
Between, according to Conservative estimation, relationship between the volume of absorber and the heating total heat duties in greenhouse:
Volume V absorber=0.1267Q/0.35=0.365Q m3 (3-3) of absorber
(3), the calculating of thermal isolation and heat storage water tank volume:
It, can out of 6 hours of 3:00 region for single side heliogreenhouse in sunny winter in afternoon in the morning 9:00-
Approximately to think that temperature of shed is suitable for the growth and development of plant, do not need to heat, hot water storage caused by this 6 hours
In thermal isolation and heat storage water tank, heat for remaining period；Along with the volume of the water of night evacuation and anti-freezing, therefore,
The volume V=0.1267Q+0.365Q=0.4917Q m3 (4-4) of heat storing and heat preserving water tank
Take heat storing and heat preserving water tank volume V=0.5Q m3.
The present invention is made further with building two-sided greenhouse installation heat-collection heat-supply system embodiment of the present invention below
Explanation.
Embodiment 1
Two-sided greenhouse length is 60m, and positive canopy span is 8m, and negative canopy span is 4.5m, and positive canopy north wall wall height is 2.6
Rice, the ridge height in greenhouse are 3.6m, and the spacing of greenhouse inner frame is 1.0m.(management house) is having a size of 3.6* between the buffering in greenhouse
3.6 meters, be highly 3.8 meters between buffering, and when greenhouse construction should reserve various holes, pre-buried various pipelines by drawing in advance.
As Figure 1 and Figure 4, (management house) 4 is located at 5 side of greenhouse between greenhouse buffering, and roofing uses flat roof, room
Panel uses armoured concrete slab.In design, should according to the fresnel lens array 1 on concrete slab top, solar protection devices 3 with
And the total load head of water in absorber 2 etc., to calculate the thickness and arrangement of reinforcement of concrete slab.When construction, it should reserve various pipelines
Hole and built-in fitting, after concrete slab construction, 60 millimeters thick polyurethane heat-insulation bed courses 8 of spraying are simultaneously levelling.
As shown in Figure 1, Figure 2, Figure 4 shows, semicircular absorber 2 is produced in advance, and absorber 2 can use two component spiral shells
Silk mouth connection, has reserved cold water inlet and hot water outlet pipe, has then installed absorber on the polyurethane heat-insulation bed course 8 of roofing
2, outside applies solar selective coat.The radius size of 1 skeleton of fresnel lens array is calculated in advance, it is desirable that lens focus
Positioned at 2 surface of absorber, focal length is distance of the Fresnel Lenses to 2 surface tangent of absorber.
As shown in Figure 1, Figure 2, Figure 4 shows, the active collection being made of fresnel lens array 1, lens array skeleton and absorber 2
Thermal is mounted between greenhouse buffering on (management house) deck 6,1 skeleton of fresnel lens array by semicircle spherical shape light reinforcing bar
Frame is mutually handed over and is welded into fixed rack, and 500*500 millimeters of orthogonal grid is used for the present embodiment.Device 2 to be absorbed installs
Bi Hou, mounted array skeleton.Array backbone ironware welding pre-buried on (management house) 4 roof directly between greenhouse buffering or spiral shell
It tethers and connects and Greenhouse building forms one.
As shown in Figure 1, Figure 2, Figure 4 shows, in the light steel skeleton grid of semicircle spherical shape, multiple Fresnel Lenses are inlayed, thoroughly
Mirror can be taken round or rectangular, according to the grid of irregular shape and can also carry out customized or cut out, the present embodiment is adopted
With the lens of 500*500 millimeters of square.
As shown in Figure 1, Figure 3, after installing active heat collector, solar protection devices 3 is installed.Solar protection devices 3 is mounted on phenanthrene
The outside of Nie Er lens array 1, wherein semicircle light steel skeleton radical is three, white ante-venna and light steel skeleton by card slot and
Circlip is connected, and is rotated using the diameter of fresnel lens array 1 as rotation axis, the mode of rotation can using manually or
Gear driving machine 7 drives.
As shown in figure 5, installing and connecting the equipment such as assisted heating device, water circulating pump, solenoid valve, temperature controller respectively
And it is formed into a loop.In this system, it is slow that thermal isolation and heat storage water tank 9, temperature controller, water circulating pump and solenoid valve are both placed in greenhouse
Between punching in (management house) 4, radiator in two-sided greenhouse yin canopy uses D125 light pipe radiator, distributing installation in negative canopy,
Remaining hot water connecting tube is managed using PE.
After the installation is completed, debugging system.
The above embodiments are only used to illustrate the present invention, rather than limitation of the present invention.Although referring to embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, to technical solution of the present invention carry out it is various combination,
Modification or equivalent replacement should all cover and want in right of the invention without departure from the spirit and scope of technical solution of the present invention
It asks in range.
Claims (10)
1. a kind of and integrated heating system of Greenhouse building, which is characterized in that the system includes: active heat collector, heat preservation
Hot water storage tank, assisted heating device, solar protection devices, delivery pipeline, radiator and temperature sensing control device；Actively
Heat collector is made of fresnel lens array, lens array skeleton and absorber；Active heat collector is mounted on greenhouse buffering
Between roof and Greenhouse building form one；Thermal isolation and heat storage water tank is placed in greenhouse buffering, intermediate using stainless steel inner container
Polyurethane heat-insulation bed course, outside add color steel plate；Assisted heating device is located in thermal isolation and heat storage water tank；Solar protection devices is by semicircle
Light steel skeleton, sunshade curtain and drive train at；Delivery pipeline connects thermal isolation and heat storage water tank and radiator, heat dissipation dress
It sets by the way of pipe laying in warm indoor location or soil；Temperature sensing control device is by temperature sensor, solenoid valve, temperature control
Device and water circulating pump composition processed, solenoid valve are connected with temperature controller with water circulating pump；Active heat collector passes through circulation
Water pump is connect with thermal isolation and heat storage water tank, is provided with solenoid valve on the pipeline of connection active heat collector and thermal isolation and heat storage water tank；Temperature
Greenhouse side is located between the buffering of room, solar protection devices is mounted on the outside of active heat collector.
2. the according to claim 1 and integrated heating system of Greenhouse building, which is characterized in that the lens array
Skeleton is the interlaced grid for forming fixation of light steel skeleton by semicircle spherical shape, array backbone roof directly between greenhouse buffering
Upper pre-buried ironware is connected.
3. the according to claim 2 and integrated heating system of Greenhouse building, which is characterized in that the Fresnel is saturating
Lens array is to inlay multiple Fresnel Lenses in the light steel skeleton grid of semicircle spherical shape, and lens focus is located at absorber surface,
Focal length is distance of the Fresnel Lenses to absorber surface tangent line.
4. according to claim 1 with the integrated heating system of Greenhouse building, which is characterized in that the absorber is
Empty container in hemispherical is fabricated to using steel plate, outside applies solar selective coat；The external cold water inlet of absorber and heat
Water outlet pipe.
5. the according to claim 1 and integrated heating system of Greenhouse building, which is characterized in that between the greenhouse buffering
Roofing use flat roof, roof boarding uses armoured concrete slab, and active heat collector is mounted on roof boarding, actively collects hot charging
Set the setting polyurethane heat-insulation bed course between roof boarding.
6. the according to claim 1 and integrated heating system of Greenhouse building, which is characterized in that the thermal isolation and heat storage
Additional layer steel plate again outside the liner of water tank is filled using heat-storing material between two-layered steel plates.
7. the according to claim 1 and integrated heating system of Greenhouse building, which is characterized in that the auxiliary heating
Device is located in thermal isolation and heat storage water tank, using Electric heating；When the water temperature in thermal isolation and heat storage water tank is lower than certain limit value, automatically
It opens, for guaranteeing round-the-clock hot water supply；When the water temperature in thermal isolation and heat storage water tank is higher than certain limit value, it is automatically closed to save
Save the energy；The assisted heating device is using manually opened and automatic opening two ways.
8. the according to claim 1 and integrated heating system of Greenhouse building, which is characterized in that semicircle light steel skeleton
Radical is three, and sunshade curtain is connected by card slot with circlip with light steel skeleton, is rotation with the diameter of active heat collector
Axis is rotated, and the mode of rotation is using the driving of manual or gear driving machine.
9. the according to claim 1 and integrated heating system of Greenhouse building, which is characterized in that the active thermal-arrest
Temperature sensor is set in device water outlet and thermal isolation and heat storage water tank, when hot water temperature reaches first and sets in active heat collector
When fixed temperature, hot water is discharged into thermal isolation and heat storage water tank, promotes thermal isolation and heat storage water tank by the starting of temperature controller order solenoid valve
Interior water temperature；When the temperature that water temperature is set lower than second in active heat collector, the starting of temperature controller order solenoid valve will
Water is discharged into thermal isolation and heat storage water tank, realizes evacuation and anti-freezing.
10. -9 described in any item and integrated heating system of Greenhouse building according to claim 1, which is characterized in that described
Thermal isolation and heat storage water tank in water level when reaching the upper limit position of setting, solenoid valve is closed；When hot water temperature in active heat collector
When the temperature difference of degree and the water in thermal isolation and heat storage water tank reaches the upper limit of setting, water circulating pump starting is promoted in thermal isolation and heat storage water tank
Water temperature；When the temperature difference of hot water temperature in active heat collector and the water in thermal isolation and heat storage water tank reach the lower limit of setting, follow
Ring water pump stops working.
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| CN105698243B true CN105698243B (en) | 2018-12-25 |
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| CN104864460A (en) * | 2015-04-29 | 2015-08-26 | 大连理工大学 | Rural active solar heat storage floor system |
| CN205536054U (en) * | 2016-03-18 | 2016-08-31 | 中国农业大学 | Heating system with greenhouse building integration |
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2016
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| JPS5922141B2 (en) * | 1977-12-26 | 1984-05-24 | 松下電器産業株式会社 | heating equipment |
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| CN202587972U (en) * | 2012-06-01 | 2012-12-12 | 西北农林科技大学 | Phase-change heat accumulation circulating device suitable for sunlight greenhouse |
| CN204227716U (en) * | 2014-08-06 | 2015-03-25 | 宋亮 | Solar light-condensing and heat-collecting device |
| CN104864460A (en) * | 2015-04-29 | 2015-08-26 | 大连理工大学 | Rural active solar heat storage floor system |
| CN205536054U (en) * | 2016-03-18 | 2016-08-31 | 中国农业大学 | Heating system with greenhouse building integration |
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