CN204047390U - The passive collaborative accumulation of heat body of wall heating system of a kind of greenhouse by solar heat master - Google Patents
The passive collaborative accumulation of heat body of wall heating system of a kind of greenhouse by solar heat master Download PDFInfo
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- CN204047390U CN204047390U CN201420375273.XU CN201420375273U CN204047390U CN 204047390 U CN204047390 U CN 204047390U CN 201420375273 U CN201420375273 U CN 201420375273U CN 204047390 U CN204047390 U CN 204047390U
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
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- 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
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- 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
- F24S60/10—Arrangements for storing heat collected by solar heat collectors using latent heat
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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
- 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
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The utility model discloses the passive collaborative accumulation of heat body of wall heating system of a kind of greenhouse by solar heat master, belong to agricultural facility technical field.Mainly comprise phase change thermal storage wall, concentrating solar air collector system, initiatively storage heating system and device control cell.Phase change thermal storage wall side is built by cement sand bed, the phase-change material using steel column bucket to encapsulate and accumulation of heat coil pipe and sandstone cement respectively to outside indoor phase-transition heat-storage layer, bearing building block layer and heat-insulation layer form; More solar energy air heat collector system is in series by organizing concentrating solar air collector, and arrange solar protection devices in summer on the top of heat collector; Initiatively storage heating system is made up of heat collector, utilidor, accumulation of heat coil pipe, frequency conversion fan, air port and air-valve: device control cell is made up of controller, temperature sensor and motorized adjustment air-valve.Passive for the master of solar greenhouse wall body thermal-arrest, accumulation of heat and heat supply combine by the utility model, significantly can strengthen the heat storing and heat preserving performance of solar greenhouse wall body and greenhouse to the availability of solar energy, promote greenhouse by solar heat accumulation of heat body of wall to the ability of regulation and control of warm indoor thermal environment.
Description
Technical field
The present invention relates to a kind of passive collaborative accumulation of heat body of wall heating system of greenhouse by solar heat master integrating main passive thermal-arrest, accumulation of heat and heat supply applying that concentrating solar air heat-collecting system and phase change thermal storage wall combine, belong to agricultural facility technical field.
Background technology
Northern China most area outside air temperature in winter is usually less than 0 DEG C, but solar energy resources enriches.Utilize greenhouse by solar heat can realize the anti-season growth of crops.Traditional greenhouse by solar heat relies on the air themperature in the radiation raising greenhouse of sunshine by day, and utilize greenhouse wall body to carry out passive sensible heat accumulation of heat, then rely on greenhouse heat-insulating and body of wall self passive heat release night or take the measure of heating to meet the temperature needed for crop growth.But, there are the following problems in this greenhouse: one is that the affect thickness of solar energy on body of wall accumulation of heat being transmitted to greenhouse north wall inner surface through greenhouse by solar heat front roof due to sunshine is about 300 ~ 500mm, the amount of stored heat of body of wall is limited, night, heat capacity was less, made the availability of greenhouse to solar energy lower; Two is the thermal inertia effects due to accumulation of heat materials for wall, only rely on the passive heat release of body of wall cannot discharge the heat stored in body of wall inside timely, cause the general low temperature and high relative humidity of Winter Solar Greenhouse environment, cause crop to damage to plants caused by sudden drop in temperature and take place frequently with freeze injury, crop yield is lower; Three is adopt the measure of heating to need to consume a large amount of conventional energy resource, cause environmental pollution and operating cost too high.
In order to improve the heat storage performance of solar greenhouse wall body and greenhouse to solar energy utilization ratio, phase-change material and greenhouse wall body initiatively heat storage technology are introduced among solar greenhouse wall body, as Chinese patent 201220156989.1 and 201110332931.8 adopts phase-changing heat accumulation plate to improve the latent-heat storage ability of greenhouse wall body at greenhouse by solar heat north wall inner surface; Chinese patent 201310328662.7 utilizes initiatively accumulation of heat means to further increase the heat storage performance of body of wall in conjunction with solar energy air heat collector.
Although current research improves greenhouse by solar heat thermal environment to a certain extent, a lot of defect part is still had to require further improvement perfect.Particularly, only accumulation of heat is focused on for greenhouse wall body, and ignore the impact delayed on body of wall heat release of materials for wall thermal inertia, only rely on greenhouse wall body by trend indoor heating, cause accumulation of heat body of wall low to greenhouse thermal environment adjusting function.Organic composite shaping phase-change material plate occurs in use procedure that in greenhouse the aging phase-change material that causes of encapsulating material leaks, cause the materials'use life-span short, pollute planting environment and organic material fire protecting performance and cannot meet instructions for use.In active heat-accumulating process, rely on the body of wall air duct sealing of hollow brick hole composition poor, interiorly during accumulation of heat leak out serious in greenhouse, significantly reduce active accumulation of heat efficiency.In addition, the carrier of initiatively accumulation of heat adopts water as medium, the night of Cold Winter antifreeze problem be well solved not yet.
Summary of the invention
In order to overcome above-mentioned drawback, the present invention proposes the passive collaborative accumulation of heat body of wall heating system of a kind of greenhouse by solar heat master, in order to solve the technical problems such as the thermal-arrest of greenhouse by solar heat, accumulation of heat and heat supply, improve greenhouse to solar energy utilization ratio, promote accumulation of heat body of wall to the ability of regulation and control of warm indoor thermal environment.
The technical solution used in the present invention is as follows:
The passive collaborative accumulation of heat body of wall heating system of a kind of greenhouse by solar heat master, comprises the phase change thermal storage wall of composite heterogenous junction structure, concentrating solar air collector system, initiatively storage heating system and device control cell.Described phase change thermal storage wall side is built to outside by cement sand bed, the phase-change material using steel column bucket to encapsulate and accumulation of heat coil pipe and sandstone cement indoor phase-transition heat-storage layer, bearing building block layer and heat-insulation layer form; More solar energy air heat collector system is in series by organizing concentrating solar air collector, and arrange solar protection devices in summer on the top of heat collector; Initiatively storage heating system is made up of concentrating solar air collector, utilidor, accumulation of heat coil pipe, frequency conversion fan, air inlet, air outlet and motorized adjustment air-valve; Device control cell is made up of temperature sensor, motorized adjustment air-valve and controller.
When described active accumulation of heat refers to that the air themperature that the temperature sensor at concentrating solar air collector two ends is measured in continuous 5 minutes all exceedes design temperature, sunlight room air from air inlet through motorized adjustment air-valve, under the driving of frequency conversion fan, enter in concentrating solar air collector through utilidor and heated, hot-air after heating is transported in accumulation of heat coil pipe by utilidor again, by accumulation of heat coil pipe, the heat in hot-air is stored phase-transition heat-storage layer and bearing building block layer inside; Described passive accumulation of heat refers to that solar energy is irradiated to cement sand bed surface via transparent front roof, is transmitted in phase-transition heat-storage layer and bearing building block layer after this layer absorbs.
Described passive heat supply refers to that phase change thermal storage wall provides heat by convection current and radiation heat transfer with plane heat source passive mode by cement sand bed in greenhouse; Described active heat supply refers to when passive heat supply can not meet warm indoor air temperature demand, namely when the warm indoor air temperature that detected in continuous 5 minutes of temperature sensor is all lower than design temperature, sunlight room air from air inlet through motorized adjustment air-valve, under the driving of frequency conversion fan, by accumulation of heat coil pipe, the heat in phase change thermal storage wall is taken out of, deliver in greenhouse by solar heat to indoor heating through motorized adjustment air-valve and air outlet.
Described concentrating solar air collector utilizes solar protection devices to carry out sunshade protection to this heat collector in summer; Air hot and humid in greenhouse by solar heat from air inlet through motorized adjustment air-valve, under the driving of frequency conversion fan, can directly outside discharge chamber by pipeline, motorized adjustment air-valve and exhaust outlet.
The thickness of described cement sand bed is 10 ~ 20mm.
The thickness of described phase-transition heat-storage layer is 400 ~ 600mm, wherein, the single vertical parallel layout of steel column bucket, its diameter is 150 ~ 250mm, and arrangement pitches is 500 ~ 1000mm; Accumulation of heat coil pipe adopts the snakelike layout of single level, and its diameter is 20 ~ 50mm, and arrangement pitches is 200 ~ 400mm, and accumulation of heat coil pipe is adjacent with steel column bucket and utilize pipe clamp to be fixed on bearing building block layer by accumulation of heat coil pipe; Phase-change material is organic material, and its phase transition temperature is 15 ~ 35 DEG C.
The thickness of described bearing building block layer is 370 ~ 600mm.
The thickness of described heat-insulation layer is 50 ~ 150mm.
Described concentrating solar air collector is erected on the tripod of north wall outside, greenhouse, the height that the bottom setting height(from bottom) of concentrating solar air collector projects higher than greenhouse by solar heat roofing.
The thermal capacitance that the present invention utilizes phase-change material higher, phase-transition heat-storage layer fully absorbed and stored from the solar energy in cement sand bed surface and active hold over system accumulation of heat coil pipe with the form of latent heat daytime; Meanwhile, solar energy stores in bearing building block layer with the form of sensible heat in the mode of active accumulation of heat by accumulation of heat coil pipe, further increases the temperature of bearing building block layer, adds the amount of stored heat of phase change thermal storage wall.First night provides heat by convection current and radiation heat transfer with plane heat source passive mode by phase change thermal storage wall in greenhouse, when passive heat supply can not meet warm indoor air temperature demand, start initiatively heating system and also work in coordination with the passive heat supply of greenhouse wall body to improve warm indoor air temperature.
Work of the present invention and control procedure as follows:
During fine day on daytime, first the solar energy via transparent front roof to be projected cement sand bed surface with passive heat storage type and is absorbed by phase change thermal storage wall, is stored in body of wall by heat by heat conduction with the form of sensible heat and latent heat.When concentrating solar air collector two ends temperature sensor measurement to temperature exceed design temperature time, initiatively hold over system is opened, frequency conversion fan initiatively in hold over system and motorized adjustment air-valve are opened, room air is from air inlet, motorized adjustment air-valve, enter frequency conversion fan, under the driving of frequency conversion fan, enter in concentrating solar air collector through utilidor and heated, hot-air after heating is transported in accumulation of heat coil pipe by utilidor and is stored by heat in phase-transition heat-storage layer and bearing building block layer, air after heat release is heated by Cemented filling to air collector again, go round and begin again, continuous circulation.Initiatively in hold over system opening process, when the air themperature that the temperature sensor measurement at solar energy air heat collector two ends arrives is lower than design temperature, frequency conversion fan and motorized adjustment air-valve are closed, and complete active heat-accumulating process.When rainy weather, when passive heat supply can not meet warm indoor air temperature demand, namely when the warm indoor air temperature that detected in continuous 5 minutes of temperature sensor is all lower than design temperature, start initiatively heating system, sunlight room air from air inlet through motorized adjustment air-valve, under the driving of frequency conversion fan, by accumulation of heat coil pipe, the heat in phase change thermal storage wall is taken out of, deliver in greenhouse by solar heat to indoor heating through motorized adjustment air-valve and air outlet again, when the air outlet air themperature detected is lower than setting value, frequency conversion fan, motorized adjustment air-valve cuts out, initiatively heating system is closed.
At night, phase change thermal storage wall is first utilized in greenhouse, to provide heat by convection current and radiation heat transfer with plane heat source passive mode.When passive heat supply can not meet warm indoor air temperature demand, start initiatively heating system and also work in coordination with the passive heat supply of greenhouse wall body to improve sunlight indoor air temperature.When air outlet air themperature is lower than setting value, frequency conversion fan, motorized adjustment air-valve are closed, and initiatively heating system is closed.
In summer, solar protection devices is utilized to carry out sunshade protection to concentrating solar air collector; In the hot and humid period, by air inlet through motorized adjustment air-valve, under the driving of frequency conversion fan, through utilidor and exhaust outlet by outside direct for air hot and humid in greenhouse by solar heat discharge chamber, and realize the available ventilation ventilation in greenhouse, play hydrofuge cooling effect.
Compared with existing greenhouse wall body technology, tool of the present invention has the following advantages:
(1) system and device invented can realize the passive collaborative accumulation of heat of solar greenhouse wall body master and the hydrofuge cooling function of heat supply and hot and humid period, this system architecture is simple, set of device realizes several functions, the thermal-arrest of this system, accumulation of heat and heating efficiency are high, strong to the ability of regulation and control of warm indoor thermal environment.
(2) the concentrating solar air collector be arranged on the tripod of greenhouse by solar heat north wall outside effectively can reduce the floor space of heat collector; promote thermal-arrest intensity and the efficiency of heat collector; improve the land utilization rate of greenhouse by solar heat, also solve the safeguard measure of heat collector empty lots.
(3) utilize steel column bucket packaging phase change material simple and safe, can effectively prevent encapsulating material aging and material that is that cause leaks the problem of environmental pollution caused, phase-change material transition temperature range is comparatively large, is applicable to the greenhouse wall body accumulation of heat demand under the weather conditions of different regions; Invent the heat that the phase change thermal storage wall structure with composite heterogenous junction structure can stop greenhouse wall body to store to greatest extent and scatter and disappear to outdoor, improve the heat storing and heat preserving performance of greenhouse wall body.
(4) frequency conversion fan in institute's invention system can realize variable frequency adjustment according to sunlight indoor thermal environment demand, effectively can meet controllable greenhouse thermal environment demand.
(5) system construction invented is simple, equipment control operation convenient, can significantly improve the availability of greenhouse by solar heat to solar energy.
Accompanying drawing explanation
Fig. 1 phase change thermal storage wall profile of the present invention;
Fig. 2 phase change thermal storage wall plane of the present invention;
The passive collaborative accumulation of heat body of wall heating system schematic diagram of Fig. 3 a kind of greenhouse by solar heat master of the present invention.
In figure: 1. cement sand bed 2. steel column bucket 3. phase-change material 4. sandstone cement
5. accumulation of heat coil pipe 6. bearing building block layer 7. heat-insulation layer 8. air inlet 9. motorized adjustment air-valve
10. frequency conversion fan 11. motorized adjustment air-valve 12. utilidor 13. concentrating solar air collector
14. temperature sensor 15. utilidor 16. solar protection devices 17. motorized adjustment air-valves
18. motorized adjustment air-valve 19. air outlet 20. motorized adjustment air-valve 21. motorized adjustment air-valves
The transparent front roof of 22. exhaust outlet 23. controller 24. tripod 25.
Embodiment
Below in conjunction with accompanying drawing 1-3, the specific embodiment of the present invention is described in detail.
As Figure 1-3, the passive collaborative accumulation of heat body of wall heating system of this greenhouse by solar heat master, comprises phase change thermal storage wall, concentrating solar air collector system, initiatively storage heating system and device control cell composition.Phase change thermal storage wall side is built to outside by cement sand bed 1, the phase-change material 3 using steel column bucket 2 to encapsulate and accumulation of heat coil pipe 5 and sandstone cement 4 indoor phase-transition heat-storage layer, bearing building block layer 6 and heat-insulation layer 7 form; More solar energy air heat collector system is in series by organizing concentrating solar air collector 13, and arrange summer on the top of heat collector with solar protection devices 16; Initiatively storage heating system is by heat collector 13, utilidor 12,15, accumulation of heat coil pipe 5, frequency conversion fan 10, air inlet 8, air outlet 19 and motorized adjustment air-valve 9,11,17,18, and 20,21 are formed; Device control cell is made up of temperature sensor 14, motorized adjustment air-valve 9,11,17,18,20,21 and controller 23.
The method of construction of this system adopts following steps: 1. consider that the shade that greenhouse by solar heat long-term cropping produces blocks, first on greenhouse by solar heat north wall ground, utilize building block brick to build highly about 1000mm by laying bricks or stones, thickness is 770 ~ 1200mm blockwork; 2. be divided into two-layer building by laying bricks or stones straight up at this blockwork, the blockwork formation bearing building block layer 6 that thickness is 370 ~ 600mm is built in outside by laying bricks or stones, and inner side builds into phase-transition heat-storage layer by laying bricks or stones.Wherein, the construction flow process of phase-transition heat-storage layer utilizes the horizontal fixed and arranged caliber of pipe clamp to be 20 ~ 50mm, and arrangement pitches is the accumulation of heat coil pipe 5 of 200 ~ 400mm; And the steel column bucket 2 (diameter is 150 ~ 250mm, and arrangement pitches is 500 ~ 1000mm) that phase-change material 3 is housed is arranged with accumulation of heat coil pipe 5 neighboring vertical, build with sandstone cement 4 and form phase-transition heat-storage layer; 3. at the tripod 24 of outer upper installing for supporting concentrating solar air collector 13 of bearing building block layer 6; 4. being the cement sand bed 1 of 10 ~ 20mm at the indoor smearing thickness of phase-transition heat-storage layer, is the heat-insulation layer 7 of 50 ~ 150mm at the outside of bearing building block layer 6 installing thickness; 5. concentrating solar air collector 13 is installed on tripod 24, connects frequency conversion fan 10, air inlet 8 with utilidor according to the systematic schematic diagram shown in Fig. 3, air outlet 19, exhaust outlet 22, motorized adjustment air-valve 9,11,17,18,20,21, temperature sensor 14, motorized adjustment air-valve 9,11,17,18,20,21 and controller 23; 6. because concentrating solar air collector in summer 13 quits work, in order to protect and extend heat collector 13 service life, above heat collector 13, solar protection devices 16 is installed.
The passive accumulation of heat of this system utilizes greenhouse by solar heat self structure that solar energy is irradiated to cement sand bed 1 surface via transparent front roof 25, is transmitted in phase-transition heat-storage layer and bearing building block layer 6 after this layer absorbs; Initiatively accumulation of heat is the solar energy collected by concentrating solar air collector 13 on daytime, with greenhouse by solar heat room air for heat transfer medium, by air inlet 8, motorized adjustment air-valve 9, frequency conversion fan 10, utilidor 12 enter in concentrating solar air collector (13) and are heated, hot-air after heating is transported in accumulation of heat coil pipe 5 by utilidor 15 again, and accumulation of heat coil pipe 5 heat in hot-air is stored phase-transition heat-storage layer and bearing building block layer 6 is inner.Initiatively the control method of heat-accumulating process first opens motorized adjustment air-valve 9,11,17, restart frequency conversion fan 10, other motorized adjustment air-valves 18,20,21 cut out, air appropriate in greenhouse closes motorized adjustment air-valve 9 after air inlet 8 enters system, the circulation that in system, air goes round and begins again under the driving of frequency conversion fan 10.
The passive heat supply of this system is that the heat accumulated in phase-transition heat-storage layer and bearing building block layer 6 is provided heat by convection current and radiation heat transfer with plane heat source passive mode by cement sand bed 1 by phase change thermal storage wall in greenhouse, initiatively heat supply refers to when passive heat supply can not meet warm indoor air temperature demand, namely when the warm indoor air temperature that detected in continuous 5 minutes of temperature sensor is all lower than design temperature, start initiatively heating system, open motorized adjustment air-valve 9, 18, 20 and frequency conversion fan 10, other motorized adjustment air-valves 11, 17, 21 close, sunlight room air flows through motorized adjustment air-valve 9 from air inlet 8, under the driving of frequency conversion fan 10, by accumulation of heat coil pipe 5, the heat in phase change thermal storage wall is taken out of, be transported in greenhouse by solar heat to indoor heating through motorized adjustment air-valve 18 and air outlet 19, go round and begin again, continuous circulation.When the temperature at air outlet 19 place is lower than design temperature, frequency conversion fan 10 is closed, and initiatively heat supplying process terminates.
This system utilizes solar protection devices 16 pairs of heat collectors 13 to carry out sunshade protection in summer; In the hot and humid period, motorized adjustment air-valve 9,11,21 and frequency conversion fan 10 open, other motorized adjustment air-valves 17,18,20 close, sunlight room air flows through motorized adjustment air-valve 9 from air inlet 8, under the driving of frequency conversion fan 10, and can by air hot and humid in greenhouse by solar heat outside direct discharge chamber by utilidor 12, motorized adjustment air-valve 21 and exhaust outlet 22.
Be illustrated construction of the present invention and control method above, but enforcement of the present invention is not limited thereto, all any changes of doing based on the present invention or modification all belong to the scope of protection of present invention.
Claims (6)
1. the passive collaborative accumulation of heat body of wall heating system of greenhouse by solar heat master, comprise the phase change thermal storage wall of composite heterogenous junction structure, concentrating solar air collector system, initiatively storage heating system and device control cell, it is characterized in that: described phase change thermal storage wall side is built by cement sand bed (1), the phase-change material (3) using steel column bucket (2) to encapsulate and accumulation of heat coil pipe (5) and sandstone cement (4) to outside indoor phase-transition heat-storage layer, bearing building block layer (6) and heat-insulation layer (7) form; More solar energy air heat collector system is in series by organizing concentrating solar air collector (13), and arrange summer on the top of heat collector with solar protection devices (16); Initiatively storage heating system is by concentrating solar air collector (13), utilidor (12,15), accumulation of heat coil pipe (5), frequency conversion fan (10), air inlet (8), air outlet (19) and motorized adjustment air-valve (9,11,17,18,20) form; Device control cell is made up of temperature sensor (14), motorized adjustment air-valve (9,11,17,18,20,21) and controller (23).
2. the passive collaborative accumulation of heat body of wall heating system of a kind of greenhouse by solar heat master according to claim 1, is characterized in that: the thickness of described cement sand bed (1) is 10 ~ 20mm.
3. the passive collaborative accumulation of heat body of wall heating system of a kind of greenhouse by solar heat master according to claim 1, it is characterized in that: the thickness of described phase-transition heat-storage layer is 400 ~ 600mm, wherein, the single vertical parallel layout of steel column bucket (2), its diameter is 150 ~ 250mm, and arrangement pitches is 500 ~ 1000mm; Accumulation of heat coil pipe (5) adopts the snakelike layout of single level, its diameter is 20 ~ 50mm, arrangement pitches is 200 ~ 400mm, and accumulation of heat coil pipe (5) is adjacent with steel column bucket (2) and utilize pipe clamp to be fixed on bearing building block layer (6) by accumulation of heat coil pipe (5); Phase-change material is organic material, and its phase transition temperature is 15 ~ 35 DEG C.
4. the passive collaborative accumulation of heat body of wall heating system of a kind of greenhouse by solar heat master according to claim 1, is characterized in that: the thickness of described bearing building block layer (6) is 370 ~ 600mm.
5. the passive collaborative accumulation of heat body of wall heating system of a kind of greenhouse by solar heat master according to claim 1, is characterized in that: the thickness of described heat-insulation layer (7) is 50 ~ 150mm.
6. the passive collaborative accumulation of heat body of wall heating system of a kind of greenhouse by solar heat master according to claim 1, it is characterized in that: described concentrating solar air collector (13) is erected on north wall outside, greenhouse tripod (24), the height that the bottom setting height(from bottom) of concentrating solar air collector (13) projects higher than greenhouse by solar heat roofing.
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| CN104145747A (en) * | 2014-07-07 | 2014-11-19 | 兰州交通大学 | Active-passive cooperative heat storage wall heating system of solar greenhouse |
| CN104737854A (en) * | 2015-04-02 | 2015-07-01 | 宁夏黄河现代设施装备开发制造有限公司 | Active heat accumulating type greenhouse |
| CN106171652A (en) * | 2016-07-18 | 2016-12-07 | 张勇 | A kind of actively accumulation of heat phase transformation solidified earth heliogreenhouse and phase transformation firming agent |
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- 2014-07-07 CN CN201420375273.XU patent/CN204047390U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104145747A (en) * | 2014-07-07 | 2014-11-19 | 兰州交通大学 | Active-passive cooperative heat storage wall heating system of solar greenhouse |
| CN104145747B (en) * | 2014-07-07 | 2016-05-18 | 兰州交通大学 | The moving collaborative accumulation of heat body of wall heating system of a kind of heliogreenhouse main quilt |
| CN104737854A (en) * | 2015-04-02 | 2015-07-01 | 宁夏黄河现代设施装备开发制造有限公司 | Active heat accumulating type greenhouse |
| CN104737854B (en) * | 2015-04-02 | 2017-03-01 | 宁夏新起点现代农业装备科技有限公司 | Active heat accumulating type greenhouse booth |
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