CN103404391B - Solar active-passive heat storage 'triple' structure wall building system of solar greenhouse - Google Patents
Solar active-passive heat storage 'triple' structure wall building system of solar greenhouse Download PDFInfo
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- CN103404391B CN103404391B CN201310328662.7A CN201310328662A CN103404391B CN 103404391 B CN103404391 B CN 103404391B CN 201310328662 A CN201310328662 A CN 201310328662A CN 103404391 B CN103404391 B CN 103404391B
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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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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Abstract
The invention relates to a solar active-passive heat storage 'triple' structure wall building system of a solar greenhouse and belongs to the field of garden facilities. The 'triple' structure wall building system mainly comprises a phase-change heat storage wall panel, a solar air collector, a plurality of wall air channels, autoclaved lime-sand bricks and a heat preservation material plate. The phase-change heat storage wall panel is directly adhered to the inner surface of the back wall of the solar greenhouse, the middle tier of the back wall is constituted by the autoclaved lime-sand bricks, and the heat preservation material plate is adhered to the outer side of the back wall. The middle tier, constituted by the autoclaved lime-sand bricks, of the back wall is provided with the wall air channels, and the phase-change heat storage wall panel, directly adhered to the inner surface of the back wall of the solar greenhouse, and a wall body form a passive solar phase-change heat storage wall. The solar air collector is communicated with the wall air channels through a ventilator, an air return valve and an air supply valve to form an active solar hot air wall heat display and heat storage system. Therefore, heat collecting, preserving and insulating capacities of the solar greenhouse wall can be remarkably improved.
Description
Technical field
The present invention relates to a kind of applied solar energy air heat-collecting system novel solar greenhouse solar energy master-passive accumulation of heat " triple " structure wall that initiatively accumulation of heat combines with the passive accumulation of heat of phase change thermal storage wall material to construct system, belong to horticultural facility field.
Background technology
Along with the continuous propelling of China's Development of China's Urbanization, ensure that town and country vegetables are long-term, safety and stability supply, improve vegetables in improper season production capacity in winter, advance and realize industrialized agriculture modernization, a significant task in Yi Shi China " 12 " period.Though China's most northern area outside air temperature in winter many below 0 DEG C solar energy resources enrich, utilize greenhouse by solar heat can realize the counter-seas on production of vegetables and other horticultural crops.
At present, the construction method of China's solar greenhouse wall body can be summarized as three classes substantially: the heterogeneous body of wall of compound of soil property body of wall, brick wall and brick wall and insulation material.The important feature that this kind of body of wall constructs mode is, by the mode accumulation solar energy of passive sensible heat accumulation of heat, is improved the insulating power of body of wall by the mode increasing thickness of wall body.Due to the influence depth of solar energy to body of wall inside being radiated at rear wall surface through front pitched roof limited (being probably 300mm ~ 400mm), the heat storage capacity of limited, the thick and heavy body of wall entirety of body of wall internal layer temperature raising of through-thickness is limited, solar energy utilization ratio is not high, night cannot provide more heats to greenhouse, cause the general low temperature and high relative humidity of winter greenhouse environment, indifferent, the freeze injury problem of withstanding natural calamities often has generation, and the plantation of vegetable crop yields poorly.
Application number is ZL201010210819.2, denomination of invention is that " a kind of cement composite shaping phase change material mortar and preparation method thereof " (authorized announcement date is on October 31st, 2012) discloses a kind of cement composite shaping phase change material mortar and preparation method thereof, belongs to building material field.Cement composite shaping phase change material mortar comprises by the modification shaping phase-change material of hydrophilic surface modification process and comprises polymer gel material and fibre reinforced materials modified cement sill forms, and modification shaping phase-change material research on maximum utilized quantity is 570kg/m
3, in modified cement sill, the consumption of polymer gel material accounts for 3 ~ 10% of cement consumption by solid content, and fibre reinforced materials is 0.7-1kg/m
3, more than the tensile bond strength 0.10MPa of mortar, material source of the present invention is extensive, with low cost, and energy storage good endurance is applied widely.
Summary of the invention
The present invention, in order to overcome above-mentioned defect, proposes a kind of greenhouse by solar heat solar energy master-passive accumulation of heat " triple " structure wall and constructs system, in order to solve the technical problem of greenhouse accumulation of heat.
Present invention employs following technical scheme:
A kind of greenhouse by solar heat solar energy master-passive accumulation of heat " triple " structure wall constructs system, mainly comprise phase change thermal storage wall plate, solar energy air heat collector, body of wall air duct, steam pressure sand-lime hollow brick, adiabator plate, described phase change thermal storage wall plate is surperficial within the walls after being directly pasted onto greenhouse by solar heat, Hou Qiang intermediate layer is formed by steam pressure sand-lime hollow brick masonry, is pasted with adiabator plate outside rear wall; Multiple body of wall air duct is provided with in the Hou Qiang intermediate layer be made up of steam pressure sand-lime hollow brick, every 3(or 5 or 7) individual body of wall air duct connects into unit group by placed in series, each unit group is by pipeline parallel connection, unit group after parallel connection is connected with ventilation blower, return air valve, return air duct, solar energy air heat collector, air supply duct, air-supply valve successively and is formed closed air loop, forms active solar energy hot-air body of wall sensible heat hold over system; Phase change thermal storage wall plate surperficial within the walls after being directly pasted onto greenhouse by solar heat and body of wall form passive type solar energy phase change thermal storage wall.
Further, the lower end after the parallel connection of described each unit group and be also provided with new wind intake stack between ventilation blower, described new wind intake stack is provided with new wind air intake valve; Also be provided with new wind air supply duct between described air supply duct and air-supply valve, described new wind air supply duct be provided with new wind air-supply valve; Described new wind air intake valve, new wind intake stack, ventilation blower, return air valve, return air duct, solar energy air heat collector, air supply duct, new wind air supply duct, new wind air-supply valve form single flow supply air system, can send dry-heat air directly in greenhouse.
Further, the pipeline being provided with air draft air-out valve by one between described ventilation blower with return air valve connects with new wind intake stack, lower end after the parallel connection of described each unit group is also provided with an air draft air intake valve by pipeline connection, described air draft air intake valve, ventilation blower, air draft air-out valve form single flow exhaust system, air hot and humid in Greenhouse in summer directly can be drained into outdoor.
Described body of wall air duct be spaced apart 700 ~ 1000mm.
The thickness of wall body of described steam pressure sand-lime hollow brick is 240 ~ 720mm.
The thickness of described adiabator plate is 60 ~ 130mm, and its thickness is built long-term cropping kind in regional outdoor weather condition and greenhouse depending on greenhouse by solar heat and determines.
Described solar energy air heat collector to be arranged on after greenhouse by solar heat above wall by bracing frame.
The present invention is surperficial within the walls after phase change thermal storage wall plate directly can being pasted onto greenhouse by solar heat, utilize the thermal capacitance that phase-change material is higher, fully absorb daytime and store the solar thermal energy being radiated at north wall phase change thermal storage wall plate surface with the form of latent heat, night again by the thermal release that stores to greenhouse, simultaneously, by solar energy air heat collector, the body of wall air duct that steam pressure sand-lime hollow brick cavity is formed organically combines, utilize solar energy air heat collector that solar energy is changed into hot-air, hot-air order flows into body of wall air duct, and transfer heat to steam pressure sand-lime hollow brick, steam pressure sand-lime hollow brick and then solar energy is stored within it with the form of sensible heat in the mode of active accumulation of heat, the temperature of steam pressure sand-lime hollow brick in the middle of improving, night by the brick setting that heats together with the phase change thermal storage wall plate storing a large amount of solar energy jointly to release heat in greenhouse, for maintaining the heat that chamber environment temperature provides necessary, do not need to tamp as the steam pressure sand-lime hollow brick cavity clay of air duct or fine grain grit, adiabator plate is directly attached to the outer surface of steam pressure sand-lime hollow brick, improves wall heat resistance, to stop greenhouse by solar heat heat to be transmitted to outdoor by north wall to greatest extent.
The course of work of the present invention is as follows:
Daytime: the solar radiation heat being radiated at its surface stores in wallboard with the form of latent heat and sensible heat in the mode of passive accumulation of heat by phase change thermal storage wall plate; Ventilation blower is opened, flowed into the body of wall air duct of series and parallel connections in a certain way by the hot-air order after heating by solar thermal collector, and heat is accumulated in body of wall with the form of sensible heat, return air after release heat flows into solar thermal collector again by ventilation blower and return air valve, goes round and begins again, constantly circulates.When greenhouse during too high, the too low air temperature of humidity, direct current supply air system is formed by new wind air intake valve, ventilation blower, return air valve, solar energy air heat collector, new wind air-supply valve, by outdoor low temperature dry air by directly sending in greenhouse after solar energy air heat collector heating, go round and begin again, constantly circulate, improve warm indoor air temperature and reduce its humidity.
Night: close ventilation blower and all valves, greenhouse wall body by daytime accumulation solar heat by phase change thermal storage wall plate by heat release in trend greenhouse.
Summer high temperature high humidity season, form direct current exhaust system by air draft air intake valve, ventilation blower, air draft air-out valve, air hot and humid in greenhouse directly to be drained into and the available ventilation realizing greenhouse is taken a breath in the greenhouse outside.
Beneficial effect of the present invention is: " triple " structure wall that will be made up of phase change thermal storage wall material (inside greenhouse), air building block brick (intermediate layer), insulation material (outside greenhouse) constructs technology and high-efficiency solar air heat-collecting technology organically combines, utilize the passive accumulation of heat of phase change thermal storage wall material layer solar energy highly effective, the efficient initiatively accumulation of heat of middle building block brick layer solar, reach the object significantly improving solar greenhouse wall body thermal-arrest, accumulation of heat and insulating power, for greenhouse by solar heat high crop yield, increase income important growing environment is provided.
Accompanying drawing explanation
Fig. 1 " triple " of the present invention structure accumulation of heat body of wall profile;
Fig. 2 " triple " of the present invention structure Heat Storing Wall body plane figure;
Fig. 3 solar air heat collection of the present invention-body of wall is sensible heat hold over system schematic diagram initiatively.
In figure: 1, phase change thermal storage wall plate, 2, solar energy air heat collector, 3, body of wall air duct, 4, steam pressure sand-lime hollow brick, 5, adiabator plate, 6, ventilation blower, 7, return air valve, 8, air-supply valve, 9, new wind air intake valve, 10, new wind air-supply valve, 11, return air duct, 12, air supply duct, 13, new wind intake stack, 14, new wind air supply duct, 15, bracing frame, 16, air draft air intake valve, 17, air draft air-out valve.
Embodiment
Below in conjunction with accompanying drawing 1 ~ 3, greenhouse by solar heat solar energy master of the present invention-passive " triple " structure accumulation of heat body of wall system of constructing is described in detail.
The structure of body series as Figure 1-3, mainly comprise phase change thermal storage wall plate 1, solar energy air heat collector 2, body of wall air duct 3, steam pressure sand-lime hollow brick 4, adiabator plate 5, phase change thermal storage wall plate 1 is surperficial within the walls after being directly pasted onto greenhouse by solar heat, Hou Qiang intermediate layer is built by laying bricks or stones by steam pressure sand-lime hollow brick 4 and is formed, and is pasted with adiabator plate 5(as shown in Figure 1 outside rear wall); Multiple body of wall air duct 3(is provided with as shown in Figure 2) in the Hou Qiang intermediate layer be made up of steam pressure sand-lime hollow brick 4, every 3(or 5 or 7) individual body of wall air duct 3 connects into unit group by placed in series, each unit group is by pipeline parallel connection, and the unit group after parallel connection is connected with ventilation blower 6, return air valve 7, return air duct 11, solar energy air heat collector 2, air supply duct 12, valve 8 of blowing successively and formed closed air loop (as shown in Figure 3); After being directly pasted onto greenhouse by solar heat, the phase change thermal storage wall plate 1 on surface forms passive type solar energy phase change thermal storage wall with body of wall within the walls; Solar energy air heat collector 2 is communicated with body of wall air duct 3 by ventilation blower 6, return air valve 7, air-supply valve 8, forms active solar energy hot-air body of wall sensible heat hold over system.Body of wall air duct 3 be spaced apart 700 ~ 1000mm, the thickness of wall body of steam pressure sand-lime hollow brick 4 is 240 ~ 720mm, the thickness of adiabator plate 5 is 60 ~ 130mm, its thickness builds long-term cropping kind and determining in the outdoor weather condition in area and greenhouse depending on greenhouse by solar heat, and solar energy air heat collector 2 to be arranged on after greenhouse by solar heat above wall by bracing frame 15.
As shown in Figure 3, the lower end after the parallel connection of each unit group and be also provided with new wind intake stack 13 between ventilation blower 6, new wind intake stack 13 is provided with new wind air intake valve 9; Also be provided with new wind air supply duct 14 between air supply duct 12 and air-supply valve 8, described new wind air supply duct 14 be provided with new wind air-supply valve 10; New wind air intake valve 9, new wind intake stack 13, ventilation blower 6, return air valve 7, return air duct 11, solar energy air heat collector 2, air supply duct 12, new wind air supply duct 14, new wind air-supply valve 10 form single flow supply air system, can send dry-heat air directly in greenhouse.The pipeline being provided with air draft air-out valve 17 by one between ventilation blower 6 with return air valve 7 connects with new wind intake stack 13, lower end after the parallel connection of each unit group is also provided with an air draft air intake valve 16 by pipeline connection, air draft air intake valve 16, ventilation blower 6, air draft air-out valve 17 form direct current exhaust system, air hot and humid in greenhouse directly can be drained into outdoor.
Wherein, phase change thermal storage wall plate 1 in the present embodiment can be made up of the cement composite shaping phase change material mortar in ZL201010210819.2 (specifically can with reference to ZL201010210819.2 specification, its cement composite shaping phase change material mortar comprises by the modification shaping phase-change material of hydrophilic surface modification process and comprises polymer gel material and fibre reinforced materials modified cement sill forms, and modification shaping phase-change material research on maximum utilized quantity is 570kg/m
3, in modified cement sill, the consumption of polymer gel material accounts for 3 ~ 10% of cement consumption by solid content, and fibre reinforced materials is 0.7-1kg/m
3, more than the tensile bond strength 0.10MPa of mortar), or the phase change thermal storage wall plate 1 in embodiment also can be made up of other material, and it is specifically implemented or forms the material be not limited to described in ZL201010210819.2.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.
Claims (5)
1. greenhouse by solar heat solar energy master-passive accumulation of heat " triple " structure wall constructs system, mainly comprise phase change thermal storage wall plate (1), solar energy air heat collector (2), body of wall air duct (3), steam pressure sand-lime hollow brick (4), adiabator plate (5), it is characterized in that: described phase change thermal storage wall plate (1) is surperficial within the walls after being directly pasted onto greenhouse by solar heat, Hou Qiang intermediate layer is built by laying bricks or stones by steam pressure sand-lime hollow brick (4) and is formed, and is pasted with adiabator plate (5) outside rear wall; Multiple body of wall air duct (3) is provided with in the Hou Qiang intermediate layer be made up of steam pressure sand-lime hollow brick (4), every 3 or 5 or 7 body of wall air ducts (3) connect into unit group by placed in series, each unit group is by pipeline parallel connection, unit group after parallel connection is connected form closed air loop with ventilation blower (6), return air valve (7), return air duct (11), solar energy air heat collector (2), air supply duct (12), valve (8) of blowing successively, forms active solar energy hot-air body of wall sensible heat hold over system; After being directly pasted onto greenhouse by solar heat, the phase change thermal storage wall plate (1) on surface forms passive type solar energy phase change thermal storage wall with body of wall within the walls; Lower end after the parallel connection of described each unit group and be also provided with new wind intake stack (13) between ventilation blower (6), described new wind intake stack (13) is provided with new wind air intake valve (9); Also be provided with new wind air supply duct (14) between described air supply duct (12) and air-supply valve (8), described new wind air supply duct (14) be provided with new wind air-supply valve (10); Described new wind air intake valve (9), new wind intake stack (13), ventilation blower (6), return air valve (7), return air duct (11), solar energy air heat collector (2), air supply duct (12), new wind air supply duct (14), new wind air-supply valve (10) form single flow supply air system, can send dry-heat air directly in greenhouse; The pipeline being also provided with air draft air-out valve (17) by one between described ventilation blower (6) with return air valve (7) connects with new wind intake stack (13), lower end after the parallel connection of described each unit group is also provided with an air draft air intake valve (16) by pipeline connection, described air draft air intake valve (16), ventilation blower (6), air draft air-out valve (17) form single flow exhaust system, air hot and humid in Greenhouse in summer directly can be drained into outdoor.
2. a kind of greenhouse by solar heat solar energy master-passive accumulation of heat " triple " structure wall according to claim 1 is constructed system, be it is characterized in that: described body of wall air duct (3) be spaced apart 700 ~ 1000mm.
3. a kind of greenhouse by solar heat solar energy master-passive accumulation of heat " triple " structure wall according to claim 1 is constructed system, be it is characterized in that: the thickness of wall body of described steam pressure sand-lime hollow brick (4) is 240 ~ 720mm.
4. a kind of greenhouse by solar heat solar energy master-passive accumulation of heat " triple " structure wall according to claim 1 is constructed system, be it is characterized in that: the thickness of described adiabator plate (5) is 60 ~ 130mm.
5. a kind of greenhouse by solar heat solar energy master-passive accumulation of heat " triple " structure wall according to claim 1 is constructed system, be it is characterized in that: described solar energy air heat collector (2) to be arranged on after greenhouse by solar heat above wall by bracing frame (15).
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| CN201310328662.7A CN103404391B (en) | 2013-07-31 | 2013-07-31 | Solar active-passive heat storage 'triple' structure wall building system of solar greenhouse |
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| CN113079881B (en) * | 2021-03-19 | 2022-08-02 | 北京工业大学 | Large-span variable space sunlight greenhouse optimization design method suitable for annual near-zero energy consumption efficient production |
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