CN107896747A - Heat-energy utilizing device and method in heliogreenhouse - Google Patents
Heat-energy utilizing device and method in heliogreenhouse Download PDFInfo
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- CN107896747A CN107896747A CN201711421913.0A CN201711421913A CN107896747A CN 107896747 A CN107896747 A CN 107896747A CN 201711421913 A CN201711421913 A CN 201711421913A CN 107896747 A CN107896747 A CN 107896747A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000010438 heat treatment Methods 0.000 claims abstract description 60
- 238000005338 heat storage Methods 0.000 claims abstract description 45
- 241000196324 Embryophyta Species 0.000 claims description 39
- 239000000758 substrate Substances 0.000 claims description 7
- 239000007943 implant Substances 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000009189 diving Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000029553 photosynthesis Effects 0.000 description 3
- 238000010672 photosynthesis Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000019552 anatomical structure morphogenesis Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000008467 tissue growth Effects 0.000 description 1
Classifications
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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
- A01G9/243—Collecting solar energy
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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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Greenhouses (AREA)
Abstract
The present invention relates to heat energy utilization field in heliogreenhouse, heat-energy utilizing device and method more particularly in heliogreenhouse.The device includes collecting system, plant temperature-increasing system；Collecting system includes：The indoor collecting plate of sunlight and underground heat storage bucket are arranged at, circulation loop is established by water pipe between collecting plate and underground heat storage bucket, water pipe passes through collecting plate；Plant temperature-increasing system includes：The heating tube of rhizosphere and/or the canopy heating to plant is arranged at, heating tube establishes heating circuit with underground heat storage bucket.Daytime of the invention reaches the solar radiant energy of daylight rear wall of greenhouse using the fluid collection of circulation, and energy-saving effect is obvious, and unit area installation cost is low, has the characteristics that environmental protection is sustainable.To improve the utilization ratio of the thermal energy, the crop rhizosphere and crop canopies of sunlight indoor low temperature period are precisely heated by plant temperature-increasing system, it is overall to improve heliogreenhouse crop yield and economic benefit.
Description
Technical field
The present invention relates to heat energy utilization field in heliogreenhouse, more particularly to heat-energy utilizing device in heliogreenhouse and day
Heat energy utilization method in light greenhouse.
Background technology
Heliogreenhouse is the critical facility of north of China vegetables production, and the research and development of energy saving environment control technique in recent years are with answering
With of increased attention.Temperature regulates and controls in heliogreenhouse particularly as important envirment factor, rational temperature
It is important.Regulation and control during sunlight indoor soilless cultivation to temperature can be divided into substrate temperature regulation and control and air themperature regulation and control, its
Mesostroma temperature mainly influences the root zone temperature of crop, adjusts rhizosphere growth, rhizosphere respiration effect, moisture and the nutrient of crop
Absorption, separate living tissue Growth and Differentiation of material synthesis and active, the near root of rhizosphere microorganism etc. in rhizosphere.Air themperature passes through
Change the activity influence crop photosynthesis of enzyme, respiration etc. in crop body, the morphogenesis and device of crop can also be adjusted
Official breaks up.But since the environment conditioning ability of traditional heliogreenhouse is weak, substrate temperature, air themperature in Winter Solar Greenhouse
Relatively low, low temperature stress has become the important yoke of vegetables production.
The root area temperature raising device that can be used in production at present mainly has coal-fired (oil) boiler to add hot channel, ground source heat
Pump, underground heat storage system, combustion pond add hot channel, electrical heating etc..In above mode of heating, coal-fired (oil) boiler adds hot channel
Big with Electric heating energy consumption, water resource heat pump facilities and equipment input is excessive, and underground heat storage system effectiveness is low, and hardly possible control, combustion pond adds
The mode of hot channel can produce air pollution problems inherent and which is limited by region geology.
The content of the invention
(1) technical problems to be solved
The object of the present invention is to provide heat energy utilization method in heat-energy utilizing device in heliogreenhouse and heliogreenhouse, solves
The problem of existing temperature indoor temperature control apparatus structure is complicated, of high cost, unsustainable, and precise control is poor.
(2) technical solution
In order to solve the above technical problem, the present invention provides heat-energy utilizing device in a kind of heliogreenhouse, it includes thermal-arrest
System, plant temperature-increasing system；
The collecting system includes：Be arranged at the indoor collecting plate of sunlight and underground heat storage bucket, the collecting plate and
Circulation loop is established by water pipe between the underground heat storage bucket, water pipe passes through the collecting plate；
The plant temperature-increasing system includes：It is arranged at the heating tube of rhizosphere and/or the canopy heating to plant, the heating
Pipe establishes heating circuit with the underground heat storage bucket,.
In certain embodiments, it is preferably, immersible pump is set on the water pipe.
In certain embodiments, being preferably that multiple collecting plates are in parallel accesses the water pipe.
In certain embodiments, it is preferably, the plant temperature-increasing system includes：Rhizosphere temperature-increasing system, the rhizosphere heat
System includes：The rhizosphere being made of rhizosphere heating pipe, rhizosphere flow pipe, rhizosphere return pipe, the underground heat storage bucket heats
Circuit；Wherein,
The rhizosphere heating pipe is placed under rhizosphere, the rhizosphere flow pipe, the rhizosphere return pipe be inserted into respectively with
In the underground heat storage bucket, the rhizosphere heating pipe is set between the rhizosphere flow pipe, the rhizosphere return pipe.
In certain embodiments, it is preferably, the rhizosphere heating pipe is arranged in greenhouse implants with same journey parallel way
Rhizosphere under.
In certain embodiments, it is preferably, circulating pump is set on the rhizosphere heating circuit.
In certain embodiments, it is preferably, when plant described in soil cultivation, the rhizosphere heating pipe is placed in underground
25-35 centimetres of depths.
In certain embodiments, it is preferably, when the plant is substrate culture, the rhizosphere heating pipe is placed in matrix
Bag lower section.
In certain embodiments, it is preferably, the plant temperature-increasing system includes：Canopy temperature-increasing system, the canopy heat
System includes：Canopy heats pipeline, scalable corrugated flexible hose, canopy flow pipe, canopy return pipe, the underground heat storage bucket structure
Into canopy heating circuit；Wherein,
The canopy heats pipeline and is arranged at plant stem apex periphery；
The canopy heats and sets scalable corrugated flexible hose between pipeline and the canopy flow pipe；The canopy heating pipe
Scalable corrugated flexible hose is also provided between road and the canopy return pipe；
The canopy flow pipe, the canopy return pipe are inserted into the underground heat storage bucket.
In certain embodiments, it is preferably, circulating pump is set on the canopy heating circuit.
In certain embodiments, it is preferably, the canopy heating pipe is arranged in greenhouse implants with same journey parallel way
30-40 centimetres below stem apex.
In certain embodiments, it is preferably, heat-energy utilizing device further includes in the heliogreenhouse：Controller, it is described
Controller is connected with the rhizosphere temperature-increasing system, the canopy temperature-increasing system respectively；
The controller and timer, the cooling-water temperature sensor in underground heat storage bucket, the indoor air-temperature sensor of sunlight
It is respectively connected with.
Present invention also offers heat energy utilization method in a kind of heliogreenhouse, it includes：
Collecting system is opened according to the first preset condition, converts solar energy into the thermal energy of the water in underground heat storage bucket；
Plant temperature-increasing system is opened according to the second preset condition, plant rhizosphere is heated；
Plant temperature-increasing system is opened according to the 3rd preset condition, plant canopy is heated；
First preset condition includes：24 it is small when time system under, 8:00-17:30, and sunlight indoor air temperature is above Ground
The temperature of lower accumulation of heat water inner bucket water；
Second preset condition includes：24 it is small when time system under, 9:30-16:00, and the temperature of underground heat storage water inner bucket water
Degree is higher than sunlight indoor air temperature；
3rd preset condition includes：24 it is small when time system under, 00:00-8:00, and sunlight indoor air temperature is above Ground
The temperature of lower accumulation of heat water inner bucket water.
(3) beneficial effect
After technical solution provided by the invention collects daylight by collecting plate, heat is transferred in the water of collecting system,
Flowed in circulation loop, into underground heat storage bucket, it is higher that plant temperature-increasing system draws temperature from underground heat storage bucket
Water, high-temperature water flow in plant temperature-increasing system, are the heating of the rhizosphere or canopy of plant.Overall structure is simple, after tested, collection
Hot systems reach sunlight up to 182~223MJ/d, this method daytime in the heat that fine day is collected using the fluid collection of circulation
The solar radiant energy of wall behind room, energy-saving effect is obvious, and unit area installation cost is low, has the characteristics that environmental protection is sustainable.For
The utilization ratio of the thermal energy is improved, crop rhizosphere and crop canopies by plant temperature-increasing system to the sunlight indoor low temperature period
Precisely heated, it is overall to improve heliogreenhouse crop yield and economic benefit.
Brief description of the drawings
Fig. 1 is the structure diagram of heat-energy utilizing device in heliogreenhouse in one embodiment of the invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Following instance
For illustrating the present invention, but it is not limited to the scope of the present invention.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements." first " " second " " the 3rd " " the 4th " does not represent any sequence relation, merely for convenience
The differentiation carried out is described.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the present invention
In concrete meaning.At the time of " current " is when certain action is performed, occur multiple current in text, be real in passing with the time
Shi Jilu.
It is complicated based on existing temperature indoor temperature control apparatus structure, of high cost, the problem of unsustainable precise control is poor, this hair
It is bright to give heat-energy utilizing device and method in heliogreenhouse.
Product, method etc. will be described in detail by basic engineering, extension design and alternative design below.
The present invention provides heat-energy utilizing device in a kind of heliogreenhouse, as shown in Figure 1, it includes collecting system, plant increases
Warm system；Collecting system includes：The indoor collecting plate 1 of sunlight and underground heat storage bucket 2 are arranged at, collecting plate 1 and underground store
Circulation loop is established by water pipe between hot water barrel 2, water pipe passes through collecting plate 1；Plant temperature-increasing system includes：It is arranged to plant
Rhizosphere and/or the heating tube of canopy heating, heating tube establish heating circuit with underground heat storage bucket 2.
Wherein in collecting system, collecting plate 1 is used to collect solar energy, and one of which is a kind of for flat-plate solar collector
Absorb solar radiation energy and the device of heat is transmitted to working medium, it is a kind of special heat exchanger, the working medium in heat collector
Heat exchange is carried out with the remote sun.Flat-plate solar collector is by heat-absorbing plate core, housing, transparent cover plate, thermal insulation material
And related parts composition.After adjunction circulating line, attemperater, solar radiant heat can be absorbed by becoming, and raise water temperature.
Attemperater can be understood as underground heat storage bucket 2.
Underground heat storage bucket 2 is in underground, can reach more preferable heat insulation effect, and will not take aboveground space.
It is to be understood that in order to promote the water flowing in circulation loop, it is necessary to set immersible pump 3 in circulation loop.This is latent
Water pump 3 can equally be arranged at underground, and be furnished with and automatically control, manual control assembly, the operation opened, closed.
High-temperature water can be fed to crop rhizosphere position by plant temperature-increasing system, can also be fed to crop canopies position, be heated
More for specific aim, it is more preferable to heat effect.
It is big, it is necessary to be equipped with collecting plate 1 in view of heliogreenhouse space
Multiple access water pipes in parallel of collecting plate 1, the heat for reaching the collection of collecting plate 1 as far as possible is directly entered water pipe, without stream
Enter other collecting plates 1, reduce the possibility mixed with water in other collecting plates 1, the assimilation effect of solar energy can be improved.
In order to be heated to rhizosphere, which includes：Rhizosphere temperature-increasing system, the rhizosphere temperature-increasing system bag
Include：The rhizosphere heating circuit being made of rhizosphere heating pipe 4, rhizosphere flow pipe, rhizosphere return pipe, underground heat storage bucket 2；Its
In, rhizosphere heating pipe 4 is placed under rhizosphere, rhizosphere flow pipe, rhizosphere return pipe be inserted into respectively with underground heat storage bucket 2,
Rhizosphere heating pipe 4 is set between rhizosphere flow pipe, rhizosphere return pipe.
Rhizosphere flow pipe extracts water supply rhizosphere out from underground heat storage bucket 2 and heats pipeline, and rhizosphere heats pipeline to rhizosphere
Periphery is heated, and then rhizosphere is heated, and water heats pipeline from rhizosphere and flows out to rhizosphere return pipe, then back flows back into
Underground heat storage bucket 2, completion once heat circulation.
Since the indoor crop of sunlight is by ridge plantation, in order to promote each ridge, at least each regional temperature is similar, root
Border heating pipe 4 is arranged under the rhizosphere of greenhouse implants with same journey parallel way；Enter from the water of rhizosphere flow pipe discharge
Multiple foundation heating pipe branch pipes in parallel, then flow into rhizosphere return pipe from 4 branch pipe of rhizosphere heating pipe.
It should be clear that in order to promote high-temperature water to be circulated in rhizosphere heating circuit, it is necessary on rhizosphere heating circuit
Circulating pump is set.Circulating pump can be set on the ground, can also be arranged on underground.
Different in view of Food crop, the setting position of rhizosphere heating pipe 4 is also not quite similar, such as：Work as soil
During cultivated plant, rhizosphere heating pipe 4 is placed in 25-35 centimetres of underground depths；Again such as：When plant is substrate culture, rhizosphere
Heating pipe 4 is placed in below bag containing soilless substrate.
In order to be heated to crop canopies, which includes：Canopy temperature-increasing system, the canopy temperature-increasing system
Including：Pipeline, scalable corrugated flexible hose 6, canopy flow pipe, canopy return pipe, underground heat storage bucket 2 are heated by canopy to form
Canopy heating circuit；Wherein, canopy heats pipeline and is arranged at plant stem apex periphery；Canopy is heated between pipeline and canopy flow pipe
Scalable corrugated flexible hose 6 is set；Canopy, which heats, is also provided with scalable corrugated flexible hose 6 between pipeline and canopy return pipe；Canopy is sent
Water pipe, canopy return pipe are inserted into underground heat storage bucket 2.
It is above the ground level since canopy heats pipeline, it is therefore desirable to canopy is carried out by scalable corrugated flexible hose 6 and heats pipeline
With the conversion of canopy flow pipe, canopy return pipe.
Canopy flow pipe extracts the higher water of temperature out from underground heat storage bucket 2, is sent into scalable corrugated flexible hose 6, canopy
Pipeline is heated, after radiating in crop canopies region, underground heat storage bucket 2 is flowed back to from scalable corrugated flexible hose 6, canopy return pipe.
It should be clear that in order to promote high-temperature water to be circulated in canopy heating circuit, it is necessary on canopy heating circuit
Circulating pump is set.Circulating pump can be set on the ground, can also be arranged on underground.
Since the indoor crop of sunlight is by ridge plantation, in order to promote each ridge, at least each regional temperature is similar, hat
Layer heating pipe 5 is arranged in below greenhouse implants stem apex 30-40 centimetres, such as 35 centimetres with same journey parallel way.
In this technique, heat-energy utilizing device can heat rhizosphere and canopy in heliogreenhouse, it is contemplated that daytime, hat
Layer directly can be subject to sunlight to irradiate, and without heating, and be irradiated at night without sunlight, and temperature declines, so, usually at night
Canopy is heated.And rhizosphere is larger in day temperature and canopy difference, in order to reduce temperature difference, daytime adds rhizosphere
Temperature.Moreover, there is sunlight daytime, collecting system is opened, at night without sunlight, so, for the device that control effectively
Further include：Controller, controller are connected with rhizosphere temperature-increasing system, canopy temperature-increasing system respectively；Controller is stored with timer, underground
The indoor air-temperature sensor of cooling-water temperature sensor, sunlight in hot water barrel 2 is respectively connected with.
The control mode of controller includes：
1st, daytime 08:After 30 and indoor air temperature is higher than during water temperature, collecting system is opened in underground heat storage bucket 2, into
Row thermal-arrest, when temperature is less than water temperature or arrival 16:When 30, collecting system is closed.2nd, daytime 10:After 00 and water temperature is higher than root of the crop
During the temperature of border, rhizosphere temperature-increasing system is opened, and crop rhizosphere is heated, when water temperature is less than crop rhizosphere temperature or arrival 15:
When 00, rhizosphere temperature-increasing system is closed.3rd, night 00:After 00 and air themperature is less than during water temperature, canopy increases in underground heat storage bucket 2
Warm system is opened, and canopy is heated, when temperature is higher than water temperature or arrival 08:When 00, canopy temperature-increasing system is closed.
The leading factor of heat energy utilization strategy be in Winter Solar Greenhouse the temperature changing regularity of one day and crop to temperature
Demand.Since north of china in winter morning temperature is relatively low, it is 08 to open the heliogreenhouse insulation quilt time:00-08:30, open day after canopy
Light greenhouse temperature is begun to ramp up, and thermal-arrest can be carried out when indoor air temperature is higher than water temperature in underground heat storage bucket 2, when temperature is low
In water temperature or arrival 16:When 30 can not thermal-arrest, collecting system should be closed.Crop rhizosphere temperature is generally greater than temperature, and 10:After 00
Rhizosphere temperature is relatively low, but photosynthesis crescendo, and it is to be beneficial to crop to carry out photosynthesis to heat one at this time, second, utilizing part
Energy stores improve night Rhizosphere temperature in soil or matrix, using the heat insulating ability of soil, third, reducing underground heat storage bucket 2
Interior water temperature, improves collecting system collecting efficiency.Night heliogreenhouse temperature is relatively low, and the shoot apical meristem in crop canopies is to temperature
Degree is more sensitive, and in order to improve energy utilization efficiency, thermal energy is mainly used in heating for canopy particularly shoot apical meristem,
Canopy heating pipe 55 is located at below crop stem apex at 30cm-40cm.
Next, the present invention provides heat energy utilization method in a kind of heliogreenhouse, it includes：
Collecting system is opened according to the first preset condition, converts solar energy into the thermal energy of the water in underground heat storage bucket 2；
Plant temperature-increasing system is opened according to the second preset condition, plant rhizosphere is heated；
Plant temperature-increasing system is opened according to the 3rd preset condition, plant canopy is heated；
First preset condition includes：24 it is small when time system under, 8:00-17:30, and sunlight indoor air temperature stores down above Ground
The temperature of water in hot water barrel 2；
Second preset condition includes：24 it is small when time system under, 9:30-16:00, and in underground heat storage bucket 2 water temperature
Higher than sunlight indoor air temperature；
3rd preset condition includes：24 it is small when time system under, 00:00-8:00, and sunlight indoor air temperature stores down above Ground
The temperature of water in hot water barrel 2.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (10)
1. heat-energy utilizing device in a kind of heliogreenhouse, it is characterised in that including collecting system, plant temperature-increasing system；
The collecting system includes：It is arranged at the indoor collecting plate of sunlight and underground heat storage bucket, the collecting plate and described
Circulation loop is established by water pipe between underground heat storage bucket, water pipe passes through the collecting plate；
The plant temperature-increasing system includes：Be arranged at the heating tube to the heating of the rhizosphere and/or canopy of plant, the heating tube with
The underground heat storage bucket establishes heating circuit.
2. heat-energy utilizing device in heliogreenhouse as claimed in claim 1, it is characterised in that diving is set on the water pipe
Pump；
And/or
Multiple collecting plates are in parallel to access the water pipe.
3. heat-energy utilizing device in heliogreenhouse as claimed in claim 1, it is characterised in that the plant temperature-increasing system bag
Include：Rhizosphere temperature-increasing system, the rhizosphere temperature-increasing system include：By rhizosphere heating pipe, rhizosphere flow pipe, rhizosphere return pipe, institute
State the rhizosphere heating circuit of underground heat storage bucket composition；Wherein,
The rhizosphere heating pipe is placed under rhizosphere, the rhizosphere flow pipe, the rhizosphere return pipe be inserted into respectively with it is described
In underground heat storage bucket, the rhizosphere heating pipe is set between the rhizosphere flow pipe, the rhizosphere return pipe.
4. heat-energy utilizing device in heliogreenhouse as claimed in claim 3, it is characterised in that the rhizosphere heating pipe is with same
Journey parallel way is arranged under the rhizosphere of greenhouse implants；
And/or circulating pump is set on the rhizosphere heating circuit.
5. heat-energy utilizing device in heliogreenhouse as claimed in claim 3, it is characterised in that when plant described in soil cultivation
When, the rhizosphere heating pipe is placed in 25-35 centimetres of underground depths；
Or,
When the plant is substrate culture, the rhizosphere heating pipe is placed in below bag containing soilless substrate.
6. such as heat-energy utilizing device in claim 1-5 any one of them heliogreenhouses, it is characterised in that the plant heats
System includes：Canopy temperature-increasing system, the canopy temperature-increasing system include：Canopy heats pipeline, scalable corrugated flexible hose, canopy and send
The canopy heating circuit that water pipe, canopy return pipe, the underground heat storage bucket are formed；Wherein,
The canopy heats pipeline and is arranged at plant stem apex periphery；
The canopy heats and sets scalable corrugated flexible hose between pipeline and the canopy flow pipe；The canopy heat pipeline and
Scalable corrugated flexible hose is also provided between the canopy return pipe；
The canopy flow pipe, the canopy return pipe are inserted into the underground heat storage bucket.
7. heat-energy utilizing device in heliogreenhouse as claimed in claim 6, it is characterised in that set on the canopy heating circuit
Put circulating pump.
8. heat-energy utilizing device in heliogreenhouse as claimed in claim 6, it is characterised in that the canopy heating pipe is with same
Journey parallel way is arranged in below greenhouse implants stem apex 30-40 centimetres.
9. heat-energy utilizing device in heliogreenhouse as claimed in claim 6, it is characterised in that further include：Controller, the control
Device processed is connected with the rhizosphere temperature-increasing system, the canopy temperature-increasing system respectively；
The controller is distinguished with timer, the cooling-water temperature sensor in underground heat storage bucket, the indoor air-temperature sensor of sunlight
It is connected.
A kind of 10. heat energy utilization method in heliogreenhouse, it is characterised in that including：
Collecting system is opened according to the first preset condition, converts solar energy into the thermal energy of the water in underground heat storage bucket；
Plant temperature-increasing system is opened according to the second preset condition, plant rhizosphere is heated；
Plant temperature-increasing system is opened according to the 3rd preset condition, plant canopy is heated；
First preset condition includes：24 it is small when time system under, 8:00-17:30, and sunlight indoor air temperature stores down above Ground
The temperature of hot water inner bucket water；
Second preset condition includes：24 it is small when time system under, 9:30-16:00, and the temperature of underground heat storage water inner bucket water is high
In sunlight indoor air temperature；
3rd preset condition includes：24 it is small when time system under, 00:00-8:00, and sunlight indoor air temperature stores down above Ground
The temperature of hot water inner bucket water.
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| CN201711421913.0A CN107896747B (en) | 2017-12-25 | Device and method for utilizing heat energy in sunlight greenhouse |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711421913.0A CN107896747B (en) | 2017-12-25 | Device and method for utilizing heat energy in sunlight greenhouse |
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| CN107896747A true CN107896747A (en) | 2018-04-13 |
| CN107896747B CN107896747B (en) | 2024-06-11 |
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