CN106171652A - A kind of actively accumulation of heat phase transformation solidified earth heliogreenhouse and phase transformation firming agent - Google Patents
A kind of actively accumulation of heat phase transformation solidified earth heliogreenhouse and phase transformation firming agent Download PDFInfo
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- CN106171652A CN106171652A CN201610566176.2A CN201610566176A CN106171652A CN 106171652 A CN106171652 A CN 106171652A CN 201610566176 A CN201610566176 A CN 201610566176A CN 106171652 A CN106171652 A CN 106171652A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/246—Air-conditioning systems
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
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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
- Y02P60/14—Measures for saving energy, e.g. in green houses
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- Environmental Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a kind of actively accumulation of heat phase transformation solidified earth heliogreenhouse and phase transformation firming agent, actively heat-accumulated sunlight greenhouse includes that multiple accumulation of heat ducting assembly is embedded in rear wall of greenhouse along rear wall of greenhouse length direction interval, the building materials of rear wall of greenhouse adds phase change heat storage material, rear wall of greenhouse wears multiple prefabricated accumulation of heat air channel；Air flow circuit is formed with the air in heliogreenhouse by the prefabricated accumulation of heat air channel in accumulation of heat ducting assembly connection rear wall of greenhouse, realize temperature room air flowing in prefabricated accumulation of heat air channel, by the heat storage of sunlight room air in rear wall of greenhouse or by rear wall of greenhouse discharge heat pass to the air in heliogreenhouse.Use the greenhouse that the phase-change material of the present invention is built by laying bricks or stones, rational in infrastructure, construction cost can be greatly reduced compared with existing heliogreenhouse and accelerate speed of application, and the automatization level in greenhouse can be greatly improved.There is heat-accumulating and-keeping effect good, manufacture, simple to operate, service life the advantage such as length.
Description
Technical field
The invention belongs to phase-change material and application thereof, be specifically related to a kind of actively accumulation of heat phase transformation solidified earth heliogreenhouse
And phase transformation firming agent.
Background technology
At present, conventional heliogreenhouse all uses and the rear wall in civil engineering operational approach construction greenhouse during common buildings class,
Owing to construction process fails to take into full account the particularity of sun glasshouse, cause existing sun glasshouse cost too high, and construction speed
Slowly；And owing to the cost of sun glasshouse generally all can be compressed in production practices, thus result in greenhouse thermal insulation accumulation of heat condition not
But poor, but also it is difficult to improve.In recent years, although it is exhausted to study greenhouse that a lot of research worker have put into substantial amounts of time and efforts
The principle of heat insulation and performance, but owing to greenhouse stores the complexity of heat transfer problem, particularity, this research direction is not yet touched and is changed
The key of kind heliogreenhouse indoor heat insulating accumulation of heat.And, substantial amounts of research shows, at the hard conditions controlling greenhouse construction cost per square meter
Under constraint, merely change one or two kind of civil material, it is impossible to fundamentally solve the existing thermal insulation of heliogreenhouse, accumulation of heat difficulty etc.
Key problem.
It addition, in terms of the accumulation of heat of heliogreenhouse, conventional heliogreenhouse all uses passive accumulation of heat, causes the accumulation of heat in greenhouse
Amount wretched insufficiency, rear wall is built thicker and thicker, and cost progressively rises, but the heat storage performance in greenhouse is not much raising simultaneously.Although,
A lot of research worker have put into wall accumulation of heat after substantial amounts of time and efforts is studied, but due to the complexity of rear wall accumulation of heat problem
Property, particularity, this research direction not yet touches the key improving heliogreenhouse heat-insulating property.The pass of wall research after heliogreenhouse
Key, is not only the heat-insulating property of wall after simple raising, it is often more important that the heat storage capacity of wall after improving.
Therefore, greenhouse industry is developed so far, it would be highly desirable to a greenhouse structure and the subversiveness revolution of method of construction, it would be highly desirable to invention
One can either quickly be built by cost most possibly, can have again enough adiabatic heat storage performances, and can ground cost
The innovation greenhouse structure run.
Summary of the invention
For existing heliogreenhouse in defect present on lighting structure or deficiency, The present invention gives a kind of actively accumulation of heat
Phase transformation solidified earth heliogreenhouse and phase transformation firming agent, the present invention uses phase transformation firming agent to add in solar greenhouse wall body, and body of wall can
With the difference according to heliogreenhouse indoor temperature, independently carry out accumulation of heat and heat release, meanwhile, the present invention also structure to heliogreenhouse
It is changed, the lighting roof of the heliogreenhouse that actively can change according to the difference of extraneous illumination condition.Thus realize day
The actively daylighting of light greenhouse, fundamentally breaches the daylighting design bottleneck of heliogreenhouse.
For reaching above-mentioned purpose, the technical scheme that the present invention takes is:
A kind of actively heat-accumulated sunlight greenhouse, including Keelof green house, rear wall of greenhouse and greenhouse front wall, also includes multiple accumulation of heat wind
Road assembly, multiple accumulation of heat ducting assemblies are embedded in rear wall of greenhouse along rear wall of greenhouse length direction interval, building by laying bricks or stones of rear wall of greenhouse
Material adds phase change heat storage material, rear wall of greenhouse wears multiple prefabricated accumulation of heat air channel；
Sky is formed with the air in heliogreenhouse by the prefabricated accumulation of heat air channel in accumulation of heat ducting assembly connection rear wall of greenhouse
Flow of air circulates, it is achieved temperature room air flowing in prefabricated accumulation of heat air channel, is existed by the heat storage of sunlight room air
The air in heliogreenhouse is passed in rear wall of greenhouse or by the heat that rear wall of greenhouse discharges.
Concrete, described accumulation of heat ducting assembly is concrete core slab, arranges many on the sidewall of concrete core slab
Prefabricated accumulation of heat air channel connection in individual connected entrance, each connected entrance and a phase transformation solidified earth, and each accumulation of heat ducting assembly
Top and bottom are respectively provided with ventilation shaft.
Further, the ventilation shaft at described accumulation of heat ducting assembly top installs the first axial flow blower.
Or, the ventilation shaft at described accumulation of heat ducting assembly top is installed aerator.
Further, underground heat storage ducting assembly, underground heat storage ducting assembly and accumulation of heat ducting assembly bottom are also included
Ventilation shaft connects, and underground heat storage ducting assembly includes that greenhouse underground heat storage ventilates to be responsible for and greenhouse underground heat storage branch vent,
Greenhouse underground heat storage ventilates to being responsible for and buries underground near rear wall of greenhouse along greenhouse length direction, and greenhouse underground heat storage branch vent is along greenhouse
Width is buried underground towards greenhouse front wall.
Further, the air outlet of greenhouse underground heat storage branch vent arranges the second axial flow blower.
Described phase change heat storage material is phase transformation firming agent, and phase transformation firming agent includes S95 breeze, portland cement, wooden
Sulfoacid calcium, anhydrous sodium sulfate and waterglass；According to the mass fraction, S95 breeze 100 parts, portland cement 80 parts, wooden calcium sulfonate
0.2 part, anhydrous sodium sulfate 40 parts, waterglass 5 parts.
Described building materials is phase transformation solidified earth, phase transformation solidified earth include by described phase transformation firming agent according to soil,
Husky or Gobi desert gravelly soil mixes according to the ratio of weight ratio 5%～10%, and stirs and i.e. obtain phase transformation solidified earth.
Described phase transformation firming agent also includes quick lime and Al2O3；According to the mass fraction, Al2O310 parts, portland cement
80 parts, wooden calcium sulfonate 0.2 part, anhydrous sodium sulfate 40 parts, waterglass 5 parts, quick lime 16 parts.
Described building materials is phase transformation solidified earth, phase transformation solidified earth include by described phase transformation firming agent according to soil,
Husky or Gobi desert gravelly soil mixes according to the ratio of weight ratio 5%～10%, and stirs and i.e. obtain phase transformation solidified earth.
It is an advantage of the current invention that:
One, in sun glasshouse's structure design, moves on to rear wall of greenhouse innovatively after the adverse grade fulcrum of Keelof green house
The outside on top.On the one hand this design can be greatly simplified greenhouse adverse grade while not reducing greenhouse heat-insulating heat-insulating property
Adiabatic and waterproof structure way, on the other hand, also makes rear wall be carried out parcel thermal insulation by adiabator in outside completely, therefore
Completely avoid the through-flow heat loss of cold bridge, from greenhouse structure, improve heat-insulating property.
Its two, rear wall of greenhouse build material on have employed phase transformation soil solidification technique first, the energy storage material utilized
For with the addition of the loess of sal glauberi, sand or Gobi desert gravelly soil etc., these materials all can be gathered materials on the spot, low cost
Honest and clean.And the autonomous accumulation of heat phase transformation solidified earth assembled Hou Qiang greenhouse of the present invention, due to the wide in range requirement of construction material so that this knot
The heliogreenhouse of structure can adapt to the greenhouse construction requirements of different regions different geological conditions, therefore can greatly promote daylight
The process of greenhouse standard, the scientific design for novel solar greenhouse provides model.
Its three, the autonomous accumulation of heat phase transformation solidified earth assembled Hou Qiang greenhouse of the present invention have employed fast short-term training in building structure
Type structure design and construction technique, can carry out integration construction in conjunction with the rear wall of heliogreenhouse, therefore be substantially reduced greenhouse soil
The building cost built, can also strengthen the stability of wall after heliogreenhouse simultaneously.It addition, the solidified earth of the present invention adds ten
Aqueous sodium persulfate, therefore this solidified earth can realize partial phase change, and then reaches to improve to greatest extent the regenerative capacity of solidified earth.
Its four, in rear wall of greenhouse is built, have employed adiabatic maintenance materials and rapid shaping of body of wall main body innovatively
Technology, at the textural modelling forming technique that also takes in accumulation of heat air channel, and by the accumulation of heat air channel of rear wall of greenhouse and greenhouse
The accumulation of heat air channel on ground is linked to be autonomous accumulation of heat ventilating system.Therefore, not only actively accumulation of heat ventilating system disappearing almost without material
Consumption, and further increase efficiency and the stability of heat transfer.
Its five, run and use photovoltaic panel directly to drive DC fan, and have employed ecological Intelligent Control Strategy, therefore phase
Driving than general blower fan and eliminate the mechanism such as control system and electric power supply system, system structure simplifies, stable and low
Energy consumption, after installation and debugging complete, it is not necessary to operating cost.
Accompanying drawing explanation
Fig. 1 is that the structure with accumulation of heat air channel prefabricated in reserved rear wall of greenhouse of the autonomous heat-accumulated sunlight greenhouse of the present invention is shown
It is intended to；
Fig. 2 is the structural representation with accumulation of heat ducting assembly of the first autonomous heat-accumulated sunlight greenhouse of the present invention；
Fig. 3 is the structural representation with accumulation of heat ducting assembly of the autonomous heat-accumulated sunlight greenhouse of the second of the present invention；
Fig. 4 is the structural representation with accumulation of heat ducting assembly of the third autonomous heat-accumulated sunlight greenhouse of the present invention；
Fig. 5 is the structural representation of the underground heat storage ducting assembly of the present invention；
Fig. 6 is the solidification sandy soil proof stress strain curve figure of phase transformation for the first time；
Fig. 7 is second time phase transformation solidification sandy soil proof stress strain curve figure；
Fig. 8 is third time phase transformation solidification sandy soil proof stress strain curve figure；
Fig. 9 is the solidification gravel figure proof stress strain curve figure of phase transformation for the first time；
Figure 10 is second time phase transformation solidification gravel figure proof stress strain curve figure；
Figure 11 is third time phase transformation solidification gravel figure proof stress strain curve figure；
Figure 12 is the DSC curve figure of phase transformation solidified earth in embodiment one；
Figure 13 is the DSC curve figure of phase transformation solidified earth in embodiment two；
Figure 14 is the accumulation of heat effectiveness comparison curve chart of embodiment three；
Label in figure represents respectively: 1-Keelof green house, 11-heat-insulating shield, 12-waterproof layer, 2-rear wall of greenhouse, 21-greenhouse
It is pre-that rear wall determines Bars In Poured Concrete Slab, 22-rear wall of greenhouse top beam, 23-pre-embedded steel slab, 24-external wall insulation, 25-phase transformation solidified earth, 26-
Accumulation of heat air channel processed, 3-accumulation of heat ducting assembly, 31-the first axial flow blower, 31 '-aerator, 31 "-ventilation shaft, 32-connected entrance,
33-greenhouse underground heat storage ventilation supervisor, 34-greenhouse underground heat storage branch vent, 35-air outlet, 36-the second axial flow blower, 4-
Greenhouse front wall；
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail.
Detailed description of the invention
The present invention have employed soil, project ground, extensive application greenhouse itself as primary building material, it is achieved to greatest extent
Reduce the purpose of cost；Have employed addition phase transformation component in soil material, efficiently improve the regenerative capacity of rear wall of greenhouse body
Design concept and method；And have employed on method of construction, the quick building technology of modular assembly formula dry method, for China's temperature
The innovation of room building provides a kind of new thinking of development.
The present invention relates to a kind of sun glasshouse, utilize phase transformation solidified earth rapid shaping technique to realize quickly particularly to one
Assembling, and independently accumulation of heat duct by internal reservation can carry out the sun glasshouse of accumulation of heat, this heliogreenhouse can basis
Temperature regime in greenhouse, actively utilizes blower fan to a large amount of accumulation of heat of rear wall of greenhouse body, have employed phase in addition due to back wall in a large number
Become solidified earth masonry technology, especially with being different from phase transformation curing and the formula that general soil solidifies, the most permissible
Reducing on the basis of greenhouse makes valency with local methods, the most a large amount of accumulation of heats, fundamentally improve the low cost of heliogreenhouse quickly build and
High-efficiency thermal storage ability, and then fundamentally solve the temperature performance of sun glasshouse.
The rear wall of this sun glasshouse is built up by rapid shaping technique by phase transformation solidified earth, and wherein, the basis of rear wall is built by laying bricks or stones
Material is loess, sand or the Gobi desert gravelly soil on project ground, each greenhouse, by basis building materials with phase transformation firming agent by certain
Consumption mixing after carry out the molding of rear wall of greenhouse and build by laying bricks or stones, and keep at a certain distance away in the building by laying bricks or stones of rear wall of greenhouse multiple storage be set
Hot-flow flue assembly, this accumulation of heat ducting assembly is the ducting system that designed, designed becomes, and is specially the plate body with cavity, plate body sidewall
On multiple connected entrance is set, the channel connection that connected entrance is reserved with the phase transformation solidified earth of rear wall, the high temperature air stream in greenhouse
Enter in accumulation of heat ducting assembly, then realized savings and the release of greenhouse heat by passage reserved in phase transformation solidified earth, thus reach
While building sun glasshouse in low cost, improve the accumulation of heat in greenhouse, exothermicity efficiently.
In order to increase the initiative of air flowing, the ventilation shaft at the top of accumulation of heat ducting assembly arranges the first axial flow
Blower fan or aerator, when the temperature in sun-room exceedes setting value, open axial flow blower or aerator make hot-air the most logical
Cross accumulation of heat ducting assembly phase transformation solidified earth transmission heat in rear wall of greenhouse and carry out accumulation of heat, when the temperature in heliogreenhouse reduces
Time, again by axial flow blower or aerator, the heat in rear wall is delivered to inside heliogreenhouse.
In order to realize the raising of greenhouse ground temperature, the present invention is also provided with underground heat storage ducting assembly, underground heat storage air channel group
Part connects with the ventilation shaft of accumulation of heat ducting assembly bottom, underground heat storage ducting assembly include greenhouse underground heat storage ventilate supervisor and
Greenhouse underground heat storage branch vent, is embedded in underground, also can arrange second on the air outlet of greenhouse underground heat storage branch vent
Axial flow blower, improves the initiative ventilated.
The present invention is also by the electrical connection control realization actively accumulation of heat of solar energy photovoltaic panel with axial flow blower or aerator
The effect of air-supply, specially solar energy photovoltaic panel electrically connects with axial flow blower or aerator, after the sun rises, the temperature in greenhouse
Degree starts to raise, and photovoltaic power generation quantity is consequently increased, and the air quantity of axial flow blower or aerator also can realize with the temperature in greenhouse
Forward couples；When illumination weakens, axial flow blower or blower air quantity reduce with the minimizing of electricity, and then achieve completely
Ecological intelligence coupled system without single-chip microcomputer.
Wherein, phase transformation firming agent is made up of by weight following raw material:
Formula one: Al2O3: 10 parts, Portland cement: 80 parts, quick lime: 16 parts, wooden calcium sulfonate: 0.2 part, nothing
Aqueous sodium persulfate: 40 parts, waterglass 5；
Formula two: breeze (95): 100 parts, Portland cement: 100 parts, wooden calcium sulfonate: 0.2 part, anhydrous slufuric acid
Sodium: 40 parts, waterglass 5；
Phase transformation solidified earth is according to native, husky by phase transformation firming agent (above-mentioned formula one or the phase transformation firming agent of formula two)
Or the ratio that Gobi desert gravelly soil weight ratio is 1～2:20 mixes, and the construction material being uniformly mixing to obtain, and is used for filling
Rear wall of greenhouse, specifically follows these steps to carry out:
Step one, wall mould after building according to the relevant building method of the back-wall of building template, wherein for insulation inside template
Insulation material layer；
Step 2, by phase transformation firming agent (above-mentioned formula one or the phase transformation firming agent of two proportionings of formula) according to soil,
Husky or that Gobi desert gravelly soil weight ratio is 1～2:20 ratio mixes, and is uniformly mixing to obtain phase transformation solidified earth；
Step 3, is adjusted to the optimum moisture content suitably tamped by the above-mentioned phase transformation solidified earth stirred, and sand is
Good water content is 8%～12%；The optimum moisture content of silt is 16%～22%；The optimum moisture content of clay be 15%～
25%；
Step 4, inserts phase transformation solidified earth good for mixing in the middle of rear wall forming panel, and carries out with pneumatic tamping apparatus
Successively tamp；
Step 5, until after wall successively tamp complete, wall molding exterior sheathing after can dismantling, and retain in advance reserved insulation
Heat insulation layer.The later stage used in the figure of the present invention is coordinated to reinforce way, after the assembled with phase transition function can be built up again
Wall.
The active heat-accumulated sunlight greenhouse of the present invention is rational in infrastructure, can be greatly reduced and be built into compared with existing heliogreenhouse
Originally with quickening speed of application, and the automatization level in greenhouse can be greatly improved.There is heat-accumulating and-keeping effect good, manufacture, operate
Simply, the advantage such as length in service life.
Embodiment one:
The formula of the phase transformation firming agent that the present embodiment uses is formula one, uses the widely distributed sand in bare place region
Soil is basic architecture material, and preparation relation is firming agent: sandy soil (mass ratio)=1:12.5 finally gives after building greenhouse heat-insulating by laying bricks or stones
The material of wall.
After the present embodiment is built by laying bricks or stones greenhouse heat-insulating, the material of wall has carried out stress test, in order to keep the science of test
Often group test is repeated 3 times, and test result is shown in Fig. 7-9.
From figure can to obtain, test in triplicate, the sandy soil comparing original state are about the intensity of 0.2, the phase transformation of each time
Solidified earth comprcssive strength is all more than 3MPa, and mean compressive strength is 3.462MPa, considerably beyond in the world about solidified earth
The comprcssive strength requirement of 1MPa.Therefore, this solidified earth formula is fully able to reach the requirement of strength of greenhouse engineering.
Having carried out the phase-transition heat-storage effect experimental of the phase transformation firming agent of this formula, experimental result is shown in Figure 12, by Figure 12
DSC curve, it is recognised that when ambient temperature raises, this phase-change material starts a large amount of heat absorption from 0 DEG C, reaches to inhale at 15.18 DEG C
The peak value of heat, the heat absorption in this stage has reached 161.0J/g.When ambient temperature reduces, this phase-change material starts a large amount of from 40 DEG C
Heat release, reaches the peak value of heat release at about 29 DEG C, and the heat release in this stage has reached 68.19J/g；After 10 DEG C, this phase transformation material
The exotherm rate of material starts to slow down, and heat release tends towards stability.
Embodiment two:
The formula of the phase transformation firming agent that the present embodiment uses is formula two, have employed the another kind in bare place region extensively
The gravelly soil of distribution is basic architecture material, and preparation relation is firming agent: gravelly soil (mass ratio)=1:12.5 finally gives block
Build the material of wall after greenhouse heat-insulating.
After the present embodiment is built by laying bricks or stones greenhouse heat-insulating, the material of wall has carried out stress test, in order to keep the science of test
Often group test is repeated 3 times, and test result is shown in Figure 10-12.
Can obtain from figure, test in triplicate, compares the intensity that as-dug gravel soil is about 0.2～0.4MPa, test
The phase transformation solidified earth comprcssive strength that test block is each time is all more than 2.4MPa, and mean compressive strength is 3.568MPa, considerably beyond state
About the comprcssive strength requirement of solidified earth 1MPa on border.Therefore, this solidified earth formula is fully able to reach the intensity of greenhouse engineering
Requirement.
Having carried out the phase-transition heat-storage effect experimental of the phase transformation firming agent of this formula, experimental result is shown in Figure 13, from Figure 13
DSC curve is it is recognised that when ambient temperature raises, this phase-change material starts heat absorption from 0 DEG C, has absorbed heat at 17.21 DEG C and has reached
Arrive 133.61J/g.Until about 38.81 DEG C, this composite phase-change material all maintains higher heat absorption speed, hence it is demonstrated that
This material has stronger heat storage performance.
Embodiment three:
See Fig. 1～5, this gives a kind of actively heat-accumulated sunlight greenhouse, including Keelof green house 1, rear wall of greenhouse
2, accumulation of heat ducting assembly 3 and greenhouse front wall 4, multiple accumulation of heat air channels group 3 is embedded along rear wall of greenhouse 2 length direction spacing parallel arranging
In rear wall of greenhouse 2.Wherein:
Keelof green house 1 is while being arranged on the built-in fitting of angle, greenhouse front wall 4 front room, and another side is arranged on the pre-of rear wall of greenhouse 2
Bury on steel plate 23, form the shell system in greenhouse；Then heat-insulating shield 11 and waterproof layer are sequentially installed outside Keelof green house adverse grade
12, form sun glasshouse's thermal insulation water repellent adverse grade, heat-insulating shield 11 is EPS, and waterproof layer 12 is SBS120 waterproof roll；
Rear wall of greenhouse 2 is formed greenhouse by color steel in rear wall of greenhouse and external wall insulation 24 (EPS styrofoam single-faced color steel)
Rear inside and outside wall face, internal phase transformation solidified earth 25 (phase transformation solidified earth uses the preparation program in embodiment one) of filling also is layered rammer
Real, phase transformation solidified earth 25 wears and is reserved with prefabricated accumulation of heat air channel 26；At rear wall of greenhouse 2 body of wall top structure rear wall of greenhouse collar
Beam 22, and after having filled phase transformation solidified earth 25, cast rear wall of greenhouse determines Bars In Poured Concrete Slab 21, forms complete rear wall of greenhouse 2；
It is set up in parallel multiple storage along rear wall of greenhouse 2 length direction perpendicular separation in the phase transformation solidified earth 25 of rear wall of greenhouse 2
Hot-flow flue assembly 3, accumulation of heat ducting assembly 3 is concrete core slab, arranges multiple connected entrance on the sidewall of concrete core slab
32, each connected entrance 32 connects with prefabricated accumulation of heat air channel 26 reserved in a phase transformation solidified earth 25, and each concrete hollow
The top of plate and bottom are respectively provided with ventilation shaft 31 ", for connecting the interior hollow space with concrete core slab of heliogreenhouse,
In realizing greenhouse cold or hot-air successively along ventilation shaft enter concrete core slab, along phase transformation solidified earth 25 reserved prefabricated
Accumulation of heat air channel 26 carries out storage or the release of the heat of phase transformation solidified earth；
In order to realize the raising of greenhouse ground temperature, the present embodiment also includes underground heat storage ducting assembly, underground heat storage air channel group
Part connects with the ventilation shaft of accumulation of heat ducting assembly 3 bottom, and underground heat storage ducting assembly includes that greenhouse underground heat storage ventilates to be responsible for
33 (PVC or steel wire network pipes) and greenhouse underground heat storage branch vent 34 (PVC or steel wire network pipe), can be by accumulation of heat ducting assembly 3
The heat of hot-air passed to the ground of heliogreenhouse by underground heat storage ducting assembly, it is achieved being rapidly heated of greenhouse, protect
The temperature requirements of card plant growth.
In order to test the science of the present invention, the greenhouse designed by the present invention is carried out construction and the heat storage performance of reality
Test.
With the test data instance in January in winter in 2014, the greenhouse heat storage performance that have employed phase transformation solidified earth is carried out
Test, test data as shown in figure 14: visible, the heliogreenhouse indoor temperature that actively heat-accumulated sunlight greenhouse is more common improves
4.0～6.0 DEG C.
Embodiment four:
In conjunction with Fig. 2, the present embodiment is unlike embodiment three: accumulation of heat ducting assembly 3 at least installs 5 groups, accumulation of heat air channel
The assembly 3 ventilation shaft 31 by top " go up the first axial flow blower 31 and the prefabricated accumulation of heat air channel 26 in rear wall of greenhouse 2 installed
Connect with underground heat storage ducting assembly, and then form the active accumulation of heat air channel of system.
After testing, the ventilation shaft 31 at top " place's relative air humidity 60%～70%, the air themperature phase at air outlet
It is 95%～99% to humidity, therefore can draw the heliogreenhouse being mounted with actively accumulation of heat axial flow blower, the water in hot-air
Dividing and there occurs condensation in rear wall accumulation of heat air channel, therefore actively heat-accumulated sunlight greenhouse finally can reduce the air in heliogreenhouse
Humidity.
Embodiment five:
In conjunction with Fig. 3, the first axial flow blower 31 is replaced with aerator 31 ' unlike embodiment four by the present embodiment.
After testing, the ventilation shaft 31 at top " place's relative air humidity 60%～70%, the air themperature phase at air outlet
It is 95%～99% to humidity, therefore can draw the heliogreenhouse being mounted with actively accumulation of heat aerator 31 ', the water in hot-air
Dividing and there occurs condensation in rear wall accumulation of heat air channel, therefore actively heat-accumulated sunlight greenhouse finally can reduce the air in heliogreenhouse
Humidity.
Embodiment six:
In conjunction with Fig. 4, the present embodiment is unlike embodiment five: arrange the second axial flow blower 36 on air outlet 35, top
The ventilation shaft 31 in portion " on be not provided with any blower fan, the heat in rear wall of greenhouse 2 is pumped to the ground of heliogreenhouse and interior
Portion.
After testing, the ventilation shaft 31 at top " place's relative air humidity 60%～70%, the air themperature phase at air outlet
It is 95%～99% to humidity, therefore can draw the heliogreenhouse being mounted with the second axial flow blower 36, the moisture in hot-air
In rear wall accumulation of heat air channel, there occurs condensation, therefore actively heat-accumulated sunlight greenhouse finally can to reduce the air in heliogreenhouse wet
Degree.
Claims (10)
1. an active heat-accumulated sunlight greenhouse, including Keelof green house (1), rear wall of greenhouse (2) and greenhouse front wall (4), its feature exists
In, also including multiple accumulation of heat ducting assembly (3), multiple accumulation of heat ducting assemblies (3) are embedded along rear wall of greenhouse (2) length direction interval
In rear wall of greenhouse (2), the building materials of rear wall of greenhouse (2) adds phase change heat storage material, rear wall of greenhouse (2) wears many
Individual prefabricated accumulation of heat air channel (26)；
By the prefabricated accumulation of heat air channel (26) in accumulation of heat ducting assembly (3) connection rear wall of greenhouse (2) and the air in heliogreenhouse
Form air flow circuit, it is achieved temperature room air flowing in prefabricated accumulation of heat air channel (26), by sunlight room air
The air that the heat that rear wall of greenhouse (2) discharges or is passed in heliogreenhouse in rear wall of greenhouse (2) by heat storage.
2. actively heat-accumulated sunlight greenhouse as claimed in claim 1, it is characterised in that described accumulation of heat ducting assembly (3) is mixed
Solidifying soil cored slab, arranges multiple connected entrance (32) on the sidewall of concrete core slab, and each connected entrance (32) is prefabricated with one
Accumulation of heat air channel (26) connects, and the top of each accumulation of heat ducting assembly (3) and bottom are respectively provided with ventilation shaft (31 ").
3. actively heat-accumulated sunlight greenhouse as claimed in claim 2, it is characterised in that described accumulation of heat ducting assembly (3) top
Ventilation shaft (31 ") upper first axial flow blower (31) is installed.
4. actively heat-accumulated sunlight greenhouse as claimed in claim 2, it is characterised in that described accumulation of heat ducting assembly (3) top
Ventilation shaft (31 ") on aerator (31 ') is installed.
5. the active heat-accumulated sunlight greenhouse as described in claim 1,2,3 or 4, it is characterised in that also include underground heat storage air channel
Assembly, underground heat storage ducting assembly connects with the ventilation shaft of accumulation of heat ducting assembly (3) bottom, and underground heat storage ducting assembly includes
Greenhouse underground heat storage ventilates and is responsible for (33) and greenhouse underground heat storage branch vent (34), and greenhouse underground heat storage ventilates and is responsible for (33) edge
Heliogreenhouse length direction is buried underground near rear wall of greenhouse (2), and greenhouse underground heat storage branch vent (34) is along heliogreenhouse width side
Bury underground to towards greenhouse front wall (4).
6. actively heat-accumulated sunlight greenhouse as claimed in claim 5, it is characterised in that in greenhouse underground heat storage branch vent (34)
Air outlet (35) on the second axial flow blower (36) is set.
7. the active heat-accumulated sunlight greenhouse as described in claim 1,2,3 or 4, it is characterised in that described phase change heat storage material
For phase transformation firming agent, phase transformation firming agent includes S95 breeze, portland cement, wooden calcium sulfonate, anhydrous sodium sulfate and waterglass；
According to the mass fraction, S95 breeze 100 parts, portland cement 80 parts, wooden calcium sulfonate 0.2 part, anhydrous sodium sulfate 40 parts, water glass
Glass 5 parts.
8. actively heat-accumulated sunlight greenhouse as claimed in claim 7, it is characterised in that described building materials is phase transformation solidification
Soil, phase transformation solidified earth include phase transformation firming agent according to soil, husky or Gobi desert gravelly soil according to the ratio of weight ratio 5%～10%
Mix, and stir and i.e. obtain phase transformation solidified earth.
9. actively heat-accumulated sunlight greenhouse as claimed in claim 7, it is characterised in that described phase transformation firming agent also includes calculogenesis
Ash and Al2O3；According to the mass fraction, Al2O310 parts, portland cement 80 parts, wooden calcium sulfonate 0.2 part, anhydrous sodium sulfate 40
Part, waterglass 5 parts, quick lime 16 parts.
10. actively heat-accumulated sunlight greenhouse as claimed in claim 9, it is characterised in that described building materials is phase transformation solidification
Soil, phase transformation solidified earth include by described phase transformation firming agent according to soil, husky or Gobi desert gravelly soil according to weight ratio 5%～
The ratio of 10% mixes, and stirs and i.e. obtain phase transformation solidified earth.
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| CN106818299A (en) * | 2016-12-23 | 2017-06-13 | 西北农林科技大学 | A kind of light simplified active daylighting accumulation of heat greenhouse based on soil Total heat exchange air channel |
| CN109328768A (en) * | 2018-12-21 | 2019-02-15 | 山东农业大学 | A kind of heliogreenhouse north wall |
| CN109964700A (en) * | 2019-04-25 | 2019-07-05 | 宁夏新起点现代农业装备科技有限公司 | A kind of compound crop cultivation heliogreenhouse of modernization |
| CN110140557A (en) * | 2019-05-08 | 2019-08-20 | 唐山师范学院 | A kind of breeding chamber adjusting temperature using underground soil |
| CN110447436A (en) * | 2019-09-03 | 2019-11-15 | 南京农业大学 | A kind of greenhouse production frame based on low-temperature phase-change material heat accumulation and auxiliary electrical heater |
| CN112723912A (en) * | 2021-02-06 | 2021-04-30 | 呼伦贝尔学院 | Assembled wall body for fire-free overwintering greenhouse in alpine region |
| CN115152494A (en) * | 2022-06-01 | 2022-10-11 | 河北工业大学 | Warmhouse booth phase transition wall body heat accumulation coupling biomass boiler heating system |
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| CN110447436A (en) * | 2019-09-03 | 2019-11-15 | 南京农业大学 | A kind of greenhouse production frame based on low-temperature phase-change material heat accumulation and auxiliary electrical heater |
| CN112723912A (en) * | 2021-02-06 | 2021-04-30 | 呼伦贝尔学院 | Assembled wall body for fire-free overwintering greenhouse in alpine region |
| CN115152494A (en) * | 2022-06-01 | 2022-10-11 | 河北工业大学 | Warmhouse booth phase transition wall body heat accumulation coupling biomass boiler heating system |
| CN115152494B (en) * | 2022-06-01 | 2024-01-16 | 河北工业大学 | Warmhouse booth phase transition wall body heat accumulation coupling biomass boiler heating system |
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Application publication date: 20161207 |