CN103125315B - Solar energy is for the greenhouse gravitational drip irrigation system of underground heat - Google Patents
Solar energy is for the greenhouse gravitational drip irrigation system of underground heat Download PDFInfo
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- CN103125315B CN103125315B CN201110391437.9A CN201110391437A CN103125315B CN 103125315 B CN103125315 B CN 103125315B CN 201110391437 A CN201110391437 A CN 201110391437A CN 103125315 B CN103125315 B CN 103125315B
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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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- 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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Abstract
The present invention relates to the greenhouse gravitational drip irrigation system of a kind of solar energy for underground heat, comprise the greenhouse being provided with greenhouse wall body, it is characterized in that: the buried pipe that it also comprises solar thermal collector, is connected with irrigate band; Described solar thermal collector is fixed on the top in described greenhouse, and its top is provided with described water-supply-pipe, and its underpart is provided with outlet pipe; Described water-supply-pipe is connected with water tank and water inlet pipe respectively; Described outlet pipe end is connected with water tank, and the bottom of this water tank is respectively equipped with support and supervisor; Described supervisor is connected with described buried pipe; Described irrigate band is directly connected with described buried pipe by locknut.The present invention utilizes the water in solar energy system heating water tank, then hot water is introduced underground by underground buried tube, heating soil, by the heat exchange of underground piping and soil, give soil by heat, thus reach increase soil temperature, meet the requirement of crop root to ground temperature, economize energy, reaches the object making high crop yield.
Description
Technical field
The present invention relates to a kind of greenhouse soil heating system, particularly relate to the greenhouse gravitational drip irrigation system of solar energy for underground heat.
Background technology
Greenhouse as a kind of special building being used as crop genetics and growth, its can protective plant from the impact of weather, temperature or mosquito, crop can be grown rapidly.Meanwhile, applying of greenhouse by solar heat is the important symbol of modern agriculture, has broken away from the restriction of traditional farming by natural climate condition, output has been increased substantially, ensure that annual vegetables stable market supply.Most of greenhouse by solar heat of China is distributed in north latitude 35-degree northern area, late autumn, winter and early spring very cold and ground temperature is very low, be difficult to the requirement meeting plant growth.Its reason is that plant growth not only affects by temperature, and has much relations with ground temperature.Ground temperature not only directly affects the growth of plant root and the formation of root system, also affects the absorption of nutrient and moisture, the existence of edaphon, the flower bud differentiation of Vegetable and growth thereof and output.Low temperature can reduce the Photosynthetic rates of vegetable leaf, also postpones fertility simultaneously, reduces fruit and vegetable quality, malformed fruit is increased.Temperature is lower, and the low temperature continuous time is longer, and the degree postponing fertility is more remarkable.When running into low temperature suppression fertility, should improve ground temperature, especially to the torrid zone and cold temperate regions, the temperature utilizing greenhouse to provide and humidity, have significant effect to the growth of plant.In order to meet the requirement of plant growth, greenhouse by solar heat is except relying on solar radiation daytime, and night also must manually heat, as flue heat, hot-blast stove heats.These traditional mode of heatings consume a large amount of traditional energies, increase greenhouse cost, and to environment.Solar energy is a kind of clean energy resource, and the large distribution of amount is wide, is applied to greenhouse temperature increasing, and replacing non-renewable fossil fuel heating, is one of the most promising energy.Low in order to improve greenhouse plant cultivation in winter production ground temperature, having a strong impact on growth and development of plants, affect the problem of hothouse production yield and quality, adopt solar heating system to improve the method for ground temperature, is the approach that hothouse production clean energy resource utilizes exploration new.
Gravity drip-irrigation technology uniquely can not lean on power-actuated drip irrigation equipment in the world at present.It is the principle utilizing gravity, by the pressure that water source height produces, is supplied water by main pipeline, branch pipe(tube) and water supply network.Irrigation technique advanced in the world combines with traditional irrigation conditions by this system, and peasant can be made not change spendable a kind of drip irrigation tech in existing tillage condition situation.Its feature is as follows: the working head of (1) ultralow pressure: conventional drip irrigation system, the design work head of irrigator is 10 meters, the operating cost of water system is higher, and only whole system just can be driven to run by 50 centimetres of drops during gravitational drip irrigation system operation, it does not need to rely on kinetic energy running, expensive pressure system need not be equipped with, just capillary current can be transported to equably any one end of system, user-friendly; (2) more economize on water compared with general drip irrigation system: the equal flow of gravity drip-irrigation can irrigate 10 times to the area of general condition of drip irrigation, greatly saves fertilizer and water consumption; (3) flow is extremely low: the dripping end flow of gravitational drip irrigation system is 1/10th of normal dripping end flow, and continually can provide capillary current, water use efficiency is high; (4) applicability is strong: gravity drip-irrigation is extremely low to the requirement at water source, can be well water, river, rainwater; Extremely low to the requirement of landform, level land, hills and mountain area can use, and under not needing to ask crop to be strictly planted in water dropper, the drip irrigation pipe of 1 meter of 3 water dropper, can ensure a totally continuous humid zone; (5) adopt pieced connected mode, ensure that user is according to Different Crop needs, adjusts spacing at any time; (6) strengthen the absorption of root vigor and mineral matter, the optimal proportion of air, water and soil is provided; (7) reduce chamber humidity: in greenhouse, adopt technique, can ground temperature be improved, crop ripen in advance can be made, improve the yield and quality of crop; Meanwhile, effectively can reduce the incidence of disease of crop, reduce utilization of pesticides, improve the average quality of crop, make crop reach green grade.Use gravitational drip irrigation system can increase crop yield (generally can increase production more than 30%), save labour and reduce labour intensity, and liquid manure 60% ~ 90% can be saved; (8) scope of application is wide, adapts to existing various irrigation method, can be connected with robot control system(RCS) and pressure system.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of economize energy, reaches the greenhouse gravitational drip irrigation system making the solar energy of high crop yield object supply underground heat.
For solving the problem, solar energy of the present invention, for the greenhouse gravitational drip irrigation system of underground heat, comprises the greenhouse being provided with greenhouse wall body, it is characterized in that: the buried pipe that it also comprises solar thermal collector, is connected with irrigate band; Described solar thermal collector is fixed on the top in described greenhouse, and its top is provided with described water-supply-pipe, and its underpart is provided with outlet pipe; Described water-supply-pipe is connected with water tank and water inlet pipe respectively; Described outlet pipe end is connected with water tank, and the bottom of this water tank is respectively equipped with support and supervisor; Described supervisor is connected with described buried pipe; Described irrigate band is directly connected with described buried pipe by locknut.
Described supervisor is provided with filter.
Described supervisor between described filter and described water tank is provided with ball valve.
Described supervisor between described filter and described buried pipe is provided with flowmeter.
Described buried pipe is multilayer circulation pipeline.
The present invention compared with prior art has the following advantages:
1, the present invention utilizes the water in solar energy system heating water tank, then hot water is introduced underground by underground buried tube, heating soil, by the heat exchange of underground piping and soil, give soil by heat, thus reach increase soil temperature, meet the requirement of crop root to ground temperature, economize energy, reaches the object making high crop yield.According to
Q＝mc(T
i-T
0)
In formula: Q is the total amount of heat stored in water tank, unit is KJ; M is the quality of water, and unit is kg; C is specific heat of water, KJ (kg DEG C); T
ifor temperature when storage heat stops in water tank, unit is DEG C; T
0for the initial temperature of the water storage of water tank, unit is DEG C.
Specific heat of water is 4.2KJ (kg DEG C), the specific heat of dry earth is 0.84KJ (kg DEG C), specific heat of water is 5 times of dry earth specific heat, because heat passes to cryogenic substance by high temperature material, when water temperature is higher than soil temperature, the heat that soil is more can be passed to, reach the effect effectively improving crop topsoil temperature, thus reach the object improving ground temperature.
2, the water tank in the present invention can determine its capacity according to chamber crop water requirement, adopts this kind of mode to greatly reduce the cost originally building pond, and easy care and do corresponding service work.
3, the present invention can arrange multilayer in underground as required.When multi-layer underground pipeline, in summer and autumn, in sun-drenched situation, water flowing, to deeper subsurface pipeline, utilizes deep subsoil distribute heat feature slowly, and the water that makes of long period stops in the duct, seasonal accumulation of heat can be reached, for winter and spring store heat.By the heat transfer of pipeline and soil, ground temperature is provided, meets the requirement of crop root to ground temperature, make crop ripen in advance, improve the yield and quality of crop.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is structural representation of the present invention.
In figure: 1-solar thermal collector 2-outlet pipe 3-water tank 4-ball valve 5-filter 6-flowmeter 7-locknut direct 8-irrigate band 9-buried pipe 10-is responsible for 11-support 12-greenhouse wall body 13-water inlet pipe 14-water-supply-pipe.
Embodiment
As shown in Figure 1, solar energy, for the greenhouse gravitational drip irrigation system of underground heat, comprises the greenhouse, solar thermal collector 1 and the buried pipe 9 that is connected with irrigate band 8 that are provided with greenhouse wall body 12.
Solar thermal collector 1 is fixed on the top in greenhouse, and its top is provided with water-supply-pipe 14, and its underpart is provided with outlet pipe 2; Water-supply-pipe 14 is connected with water tank 3 and water inlet pipe 13 respectively; Outlet pipe 2 end is connected with water tank 3, and the bottom of this water tank 3 is respectively equipped with support 11 and supervisor 10; Supervisor 10 is connected with buried pipe 9; Irrigate band 8 is connected with buried pipe 9 by locknut direct 7.
Wherein: supervisor 10 is provided with filter 5.
Supervisor 10 between filter 5 and water tank 3 is provided with ball valve 4.
Supervisor 10 between filter 5 and buried pipe 9 is provided with flowmeter 6.
Buried pipe 8 is multilayer circulation pipeline.
Water tank 3 is black plastic bucket.
During use, according to the required proportioning water yield, first open the ball valve 4 on water tank 3, make water inject the cold water of about 70% amount in water tank 3 by water inlet pipe 13, close ball valve 4, make water enter solar thermal collector 1; Recorded stream scale 6 reading; Water enters in water tank 3 by outlet pipe 2 after solar thermal collector 1 heats, and when in water tank 3 during water temperature over-high, opens the ball valve 4 on water tank 3, carries out the adjustment of water temperature in water tank 3; When reaching required water temperature after mixing, open ball valve 4 and irrigate; The reading of observed volume table 6, when reaching crop institute water requirement, closing ball valve 4 and stopping irrigating.
Claims (1)
1. solar energy is for the greenhouse gravitational drip irrigation system of underground heat, comprises the greenhouse being provided with greenhouse wall body (12), it is characterized in that: the buried pipe (9) that it also comprises solar thermal collector (1), is connected with irrigate band (8); Described solar thermal collector (1) is fixed on the top in described greenhouse, and its top is provided with described water-supply-pipe (14), and its underpart is provided with outlet pipe (2); Described water-supply-pipe (14) is connected with water tank (3) and water inlet pipe (13) respectively; Described outlet pipe (2) end is connected with water tank (3), and the bottom of this water tank (3) is respectively equipped with support (11) and supervisor (10); Described supervisor (10) is connected with described buried pipe (9); Described irrigate band (8) is connected with described buried pipe (9) by locknut direct (7); Described supervisor (10) is provided with filter (5); Described supervisor (10) between described filter (5) and described water tank (3) is provided with ball valve (4); Described supervisor (10) between described filter (5) and described buried pipe (9) is provided with flowmeter (6); Described buried pipe (8) is multilayer circulation pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110391437.9A CN103125315B (en) | 2011-11-30 | 2011-11-30 | Solar energy is for the greenhouse gravitational drip irrigation system of underground heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110391437.9A CN103125315B (en) | 2011-11-30 | 2011-11-30 | Solar energy is for the greenhouse gravitational drip irrigation system of underground heat |
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| Publication Number | Publication Date |
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| CN103125315A CN103125315A (en) | 2013-06-05 |
| CN103125315B true CN103125315B (en) | 2015-08-12 |
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| CN201110391437.9A Active CN103125315B (en) | 2011-11-30 | 2011-11-30 | Solar energy is for the greenhouse gravitational drip irrigation system of underground heat |
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| CN115581159A (en) * | 2022-09-30 | 2023-01-10 | 常州大学 | Be suitable for multi-functional coordinated control humiture in agricultural industry garden and intelligent ice and snow removal combined system |
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| CN2332173Y (en) * | 1998-06-03 | 1999-08-11 | 中国科学院石家庄农业现代化研究所 | Sunlight greenhouse irrigation rig |
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| CN103125315A (en) | 2013-06-05 |
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